The Runtime Complexity (innermost) of the given CpxTRS could be proven to be BOUNDS(O(1), O(n^1)).

0 CpxTRS
↳1 CpxTrsToCdtProof (BOTH BOUNDS(ID, ID), 0 ms)
↳2 CdtProblem
↳3 CdtLeafRemovalProof (BOTH BOUNDS(ID, ID), 1 ms)
↳4 CdtProblem
↳5 CdtRhsSimplificationProcessorProof (BOTH BOUNDS(ID, ID), 0 ms)
↳6 CdtProblem
↳7 CdtGraphSplitRhsProof (BOTH BOUNDS(ID, ID), 0 ms)
↳8 CdtProblem
↳9 CdtUsableRulesProof (⇔, 156 ms)
↳10 CdtProblem
↳11 CdtNarrowingProof (BOTH BOUNDS(ID, ID), 105 ms)
↳12 CdtProblem
↳13 CdtNarrowingProof (BOTH BOUNDS(ID, ID), 26 ms)
↳14 CdtProblem
↳15 CdtNarrowingProof (BOTH BOUNDS(ID, ID), 5 ms)
↳16 CdtProblem
↳17 CdtNarrowingProof (BOTH BOUNDS(ID, ID), 0 ms)
↳18 CdtProblem
↳19 CdtRhsSimplificationProcessorProof (BOTH BOUNDS(ID, ID), 0 ms)
↳20 CdtProblem
↳21 CdtNarrowingProof (BOTH BOUNDS(ID, ID), 0 ms)
↳22 CdtProblem
↳23 CdtRhsSimplificationProcessorProof (BOTH BOUNDS(ID, ID), 0 ms)
↳24 CdtProblem
↳25 CdtNarrowingProof (BOTH BOUNDS(ID, ID), 0 ms)
↳26 CdtProblem
↳27 CdtRhsSimplificationProcessorProof (BOTH BOUNDS(ID, ID), 0 ms)
↳28 CdtProblem
↳29 CdtNarrowingProof (BOTH BOUNDS(ID, ID), 0 ms)
↳30 CdtProblem
↳31 CdtRhsSimplificationProcessorProof (BOTH BOUNDS(ID, ID), 0 ms)
↳32 CdtProblem
↳33 CdtNarrowingProof (BOTH BOUNDS(ID, ID), 0 ms)
↳34 CdtProblem
↳35 CdtRhsSimplificationProcessorProof (BOTH BOUNDS(ID, ID), 0 ms)
↳36 CdtProblem
↳37 CdtNarrowingProof (BOTH BOUNDS(ID, ID), 0 ms)
↳38 CdtProblem
↳39 CdtRhsSimplificationProcessorProof (BOTH BOUNDS(ID, ID), 0 ms)
↳40 CdtProblem
↳41 CdtNarrowingProof (BOTH BOUNDS(ID, ID), 0 ms)
↳42 CdtProblem
↳43 CdtRhsSimplificationProcessorProof (BOTH BOUNDS(ID, ID), 0 ms)
↳44 CdtProblem
↳45 CdtNarrowingProof (BOTH BOUNDS(ID, ID), 0 ms)
↳46 CdtProblem
↳47 CdtRhsSimplificationProcessorProof (BOTH BOUNDS(ID, ID), 0 ms)
↳48 CdtProblem
↳49 CdtNarrowingProof (BOTH BOUNDS(ID, ID), 0 ms)
↳50 CdtProblem
↳51 CdtRhsSimplificationProcessorProof (BOTH BOUNDS(ID, ID), 0 ms)
↳52 CdtProblem
↳53 CdtNarrowingProof (BOTH BOUNDS(ID, ID), 0 ms)
↳54 CdtProblem
↳55 CdtRhsSimplificationProcessorProof (BOTH BOUNDS(ID, ID), 0 ms)
↳56 CdtProblem
↳57 CdtNarrowingProof (BOTH BOUNDS(ID, ID), 1 ms)
↳58 CdtProblem
↳59 CdtRhsSimplificationProcessorProof (BOTH BOUNDS(ID, ID), 0 ms)
↳60 CdtProblem
↳61 CdtNarrowingProof (BOTH BOUNDS(ID, ID), 0 ms)
↳62 CdtProblem
↳63 CdtRhsSimplificationProcessorProof (BOTH BOUNDS(ID, ID), 0 ms)
↳64 CdtProblem
↳65 CdtNarrowingProof (BOTH BOUNDS(ID, ID), 0 ms)
↳66 CdtProblem
↳67 CdtLeafRemovalProof (BOTH BOUNDS(ID, ID), 0 ms)
↳68 CdtProblem
↳69 CdtUnreachableProof (⇔, 0 ms)
↳70 CdtProblem
↳71 CdtUsableRulesProof (⇔, 0 ms)
↳72 CdtProblem
↳73 CdtRuleRemovalProof (UPPER BOUND (ADD(O(n^1))), 10 ms)
↳74 CdtProblem
↳75 CdtRuleRemovalProof (UPPER BOUND (ADD(O(n^1))), 47 ms)
↳76 CdtProblem
↳77 CdtRuleRemovalProof (UPPER BOUND (ADD(O(n^1))), 0 ms)
↳78 CdtProblem
↳79 CdtRuleRemovalProof (UPPER BOUND (ADD(O(n^1))), 0 ms)
↳80 CdtProblem
↳81 CdtRuleRemovalProof (UPPER BOUND (ADD(O(n^1))), 1 ms)
↳82 CdtProblem
↳83 CdtRuleRemovalProof (UPPER BOUND (ADD(O(n^1))), 0 ms)
↳84 CdtProblem
↳85 CdtRuleRemovalProof (UPPER BOUND (ADD(O(n^1))), 0 ms)
↳86 CdtProblem
↳87 CdtRuleRemovalProof (UPPER BOUND (ADD(O(n^1))), 0 ms)
↳88 CdtProblem
↳89 CdtRuleRemovalProof (UPPER BOUND (ADD(O(n^1))), 1 ms)
↳90 CdtProblem
↳91 CdtRuleRemovalProof (UPPER BOUND (ADD(O(n^1))), 0 ms)
↳92 CdtProblem
↳93 SIsEmptyProof (BOTH BOUNDS(ID, ID), 0 ms)
↳94 BOUNDS(O(1), O(1))

(0) Obligation:

Runtime Complexity TRS:
The TRS R consists of the following rules:

active(terms(N)) → mark(cons(recip(sqr(N)), terms(s(N))))
active(sqr(0)) → mark(0)
active(sqr(s(X))) → mark(s(add(sqr(X), dbl(X))))
active(dbl(0)) → mark(0)
active(dbl(s(X))) → mark(s(s(dbl(X))))
active(add(0, X)) → mark(X)
active(add(s(X), Y)) → mark(s(add(X, Y)))
active(first(0, X)) → mark(nil)
active(first(s(X), cons(Y, Z))) → mark(cons(Y, first(X, Z)))
active(terms(X)) → terms(active(X))
active(cons(X1, X2)) → cons(active(X1), X2)
active(recip(X)) → recip(active(X))
active(sqr(X)) → sqr(active(X))
active(s(X)) → s(active(X))
active(add(X1, X2)) → add(active(X1), X2)
active(add(X1, X2)) → add(X1, active(X2))
active(dbl(X)) → dbl(active(X))
active(first(X1, X2)) → first(active(X1), X2)
active(first(X1, X2)) → first(X1, active(X2))
terms(mark(X)) → mark(terms(X))
cons(mark(X1), X2) → mark(cons(X1, X2))
recip(mark(X)) → mark(recip(X))
sqr(mark(X)) → mark(sqr(X))
s(mark(X)) → mark(s(X))
add(mark(X1), X2) → mark(add(X1, X2))
add(X1, mark(X2)) → mark(add(X1, X2))
dbl(mark(X)) → mark(dbl(X))
first(mark(X1), X2) → mark(first(X1, X2))
first(X1, mark(X2)) → mark(first(X1, X2))
proper(terms(X)) → terms(proper(X))
proper(cons(X1, X2)) → cons(proper(X1), proper(X2))
proper(recip(X)) → recip(proper(X))
proper(sqr(X)) → sqr(proper(X))
proper(s(X)) → s(proper(X))
proper(0) → ok(0)
proper(add(X1, X2)) → add(proper(X1), proper(X2))
proper(dbl(X)) → dbl(proper(X))
proper(first(X1, X2)) → first(proper(X1), proper(X2))
proper(nil) → ok(nil)
terms(ok(X)) → ok(terms(X))
cons(ok(X1), ok(X2)) → ok(cons(X1, X2))
recip(ok(X)) → ok(recip(X))
sqr(ok(X)) → ok(sqr(X))
s(ok(X)) → ok(s(X))
add(ok(X1), ok(X2)) → ok(add(X1, X2))
dbl(ok(X)) → ok(dbl(X))
first(ok(X1), ok(X2)) → ok(first(X1, X2))
top(mark(X)) → top(proper(X))
top(ok(X)) → top(active(X))

Rewrite Strategy: INNERMOST

(1) CpxTrsToCdtProof (BOTH BOUNDS(ID, ID) transformation)

Converted Cpx (relative) TRS to CDT

(2) Obligation:

Complexity Dependency Tuples Problem
Rules:

active(terms(z0)) → mark(cons(recip(sqr(z0)), terms(s(z0))))
active(sqr(0)) → mark(0)
active(sqr(s(z0))) → mark(s(add(sqr(z0), dbl(z0))))
active(dbl(0)) → mark(0)
active(dbl(s(z0))) → mark(s(s(dbl(z0))))
active(add(0, z0)) → mark(z0)
active(add(s(z0), z1)) → mark(s(add(z0, z1)))
active(first(0, z0)) → mark(nil)
active(first(s(z0), cons(z1, z2))) → mark(cons(z1, first(z0, z2)))
active(terms(z0)) → terms(active(z0))
active(cons(z0, z1)) → cons(active(z0), z1)
active(recip(z0)) → recip(active(z0))
active(sqr(z0)) → sqr(active(z0))
active(s(z0)) → s(active(z0))
active(add(z0, z1)) → add(active(z0), z1)
active(add(z0, z1)) → add(z0, active(z1))
active(dbl(z0)) → dbl(active(z0))
active(first(z0, z1)) → first(active(z0), z1)
active(first(z0, z1)) → first(z0, active(z1))
terms(mark(z0)) → mark(terms(z0))
terms(ok(z0)) → ok(terms(z0))
cons(mark(z0), z1) → mark(cons(z0, z1))
cons(ok(z0), ok(z1)) → ok(cons(z0, z1))
recip(mark(z0)) → mark(recip(z0))
recip(ok(z0)) → ok(recip(z0))
sqr(mark(z0)) → mark(sqr(z0))
sqr(ok(z0)) → ok(sqr(z0))
s(mark(z0)) → mark(s(z0))
s(ok(z0)) → ok(s(z0))
add(mark(z0), z1) → mark(add(z0, z1))
add(z0, mark(z1)) → mark(add(z0, z1))
add(ok(z0), ok(z1)) → ok(add(z0, z1))
dbl(mark(z0)) → mark(dbl(z0))
dbl(ok(z0)) → ok(dbl(z0))
first(mark(z0), z1) → mark(first(z0, z1))
first(z0, mark(z1)) → mark(first(z0, z1))
first(ok(z0), ok(z1)) → ok(first(z0, z1))
proper(terms(z0)) → terms(proper(z0))
proper(cons(z0, z1)) → cons(proper(z0), proper(z1))
proper(recip(z0)) → recip(proper(z0))
proper(sqr(z0)) → sqr(proper(z0))
proper(s(z0)) → s(proper(z0))
proper(0) → ok(0)
proper(add(z0, z1)) → add(proper(z0), proper(z1))
proper(dbl(z0)) → dbl(proper(z0))
proper(first(z0, z1)) → first(proper(z0), proper(z1))
proper(nil) → ok(nil)
top(mark(z0)) → top(proper(z0))
top(ok(z0)) → top(active(z0))
Tuples:

ACTIVE(terms(z0)) → c(CONS(recip(sqr(z0)), terms(s(z0))), RECIP(sqr(z0)), SQR(z0), TERMS(s(z0)), S(z0))
ACTIVE(sqr(0)) → c1
ACTIVE(sqr(s(z0))) → c2(S(add(sqr(z0), dbl(z0))), ADD(sqr(z0), dbl(z0)), SQR(z0), DBL(z0))
ACTIVE(dbl(0)) → c3
ACTIVE(dbl(s(z0))) → c4(S(s(dbl(z0))), S(dbl(z0)), DBL(z0))
ACTIVE(add(0, z0)) → c5
ACTIVE(add(s(z0), z1)) → c6(S(add(z0, z1)), ADD(z0, z1))
ACTIVE(first(0, z0)) → c7
ACTIVE(first(s(z0), cons(z1, z2))) → c8(CONS(z1, first(z0, z2)), FIRST(z0, z2))
ACTIVE(terms(z0)) → c9(TERMS(active(z0)), ACTIVE(z0))
ACTIVE(cons(z0, z1)) → c10(CONS(active(z0), z1), ACTIVE(z0))
ACTIVE(recip(z0)) → c11(RECIP(active(z0)), ACTIVE(z0))
ACTIVE(sqr(z0)) → c12(SQR(active(z0)), ACTIVE(z0))
ACTIVE(s(z0)) → c13(S(active(z0)), ACTIVE(z0))
ACTIVE(add(z0, z1)) → c14(ADD(active(z0), z1), ACTIVE(z0))
ACTIVE(add(z0, z1)) → c15(ADD(z0, active(z1)), ACTIVE(z1))
ACTIVE(dbl(z0)) → c16(DBL(active(z0)), ACTIVE(z0))
ACTIVE(first(z0, z1)) → c17(FIRST(active(z0), z1), ACTIVE(z0))
ACTIVE(first(z0, z1)) → c18(FIRST(z0, active(z1)), ACTIVE(z1))
TERMS(mark(z0)) → c19(TERMS(z0))
TERMS(ok(z0)) → c20(TERMS(z0))
CONS(mark(z0), z1) → c21(CONS(z0, z1))
CONS(ok(z0), ok(z1)) → c22(CONS(z0, z1))
RECIP(mark(z0)) → c23(RECIP(z0))
RECIP(ok(z0)) → c24(RECIP(z0))
SQR(mark(z0)) → c25(SQR(z0))
SQR(ok(z0)) → c26(SQR(z0))
S(mark(z0)) → c27(S(z0))
S(ok(z0)) → c28(S(z0))
ADD(mark(z0), z1) → c29(ADD(z0, z1))
ADD(z0, mark(z1)) → c30(ADD(z0, z1))
ADD(ok(z0), ok(z1)) → c31(ADD(z0, z1))
DBL(mark(z0)) → c32(DBL(z0))
DBL(ok(z0)) → c33(DBL(z0))
FIRST(mark(z0), z1) → c34(FIRST(z0, z1))
FIRST(z0, mark(z1)) → c35(FIRST(z0, z1))
FIRST(ok(z0), ok(z1)) → c36(FIRST(z0, z1))
PROPER(terms(z0)) → c37(TERMS(proper(z0)), PROPER(z0))
PROPER(cons(z0, z1)) → c38(CONS(proper(z0), proper(z1)), PROPER(z0), PROPER(z1))
PROPER(recip(z0)) → c39(RECIP(proper(z0)), PROPER(z0))
PROPER(sqr(z0)) → c40(SQR(proper(z0)), PROPER(z0))
PROPER(s(z0)) → c41(S(proper(z0)), PROPER(z0))
PROPER(0) → c42
PROPER(add(z0, z1)) → c43(ADD(proper(z0), proper(z1)), PROPER(z0), PROPER(z1))
PROPER(dbl(z0)) → c44(DBL(proper(z0)), PROPER(z0))
PROPER(first(z0, z1)) → c45(FIRST(proper(z0), proper(z1)), PROPER(z0), PROPER(z1))
PROPER(nil) → c46
TOP(mark(z0)) → c47(TOP(proper(z0)), PROPER(z0))
TOP(ok(z0)) → c48(TOP(active(z0)), ACTIVE(z0))
S tuples:

ACTIVE(terms(z0)) → c(CONS(recip(sqr(z0)), terms(s(z0))), RECIP(sqr(z0)), SQR(z0), TERMS(s(z0)), S(z0))
ACTIVE(sqr(0)) → c1
ACTIVE(sqr(s(z0))) → c2(S(add(sqr(z0), dbl(z0))), ADD(sqr(z0), dbl(z0)), SQR(z0), DBL(z0))
ACTIVE(dbl(0)) → c3
ACTIVE(dbl(s(z0))) → c4(S(s(dbl(z0))), S(dbl(z0)), DBL(z0))
ACTIVE(add(0, z0)) → c5
ACTIVE(add(s(z0), z1)) → c6(S(add(z0, z1)), ADD(z0, z1))
ACTIVE(first(0, z0)) → c7
ACTIVE(first(s(z0), cons(z1, z2))) → c8(CONS(z1, first(z0, z2)), FIRST(z0, z2))
ACTIVE(terms(z0)) → c9(TERMS(active(z0)), ACTIVE(z0))
ACTIVE(cons(z0, z1)) → c10(CONS(active(z0), z1), ACTIVE(z0))
ACTIVE(recip(z0)) → c11(RECIP(active(z0)), ACTIVE(z0))
ACTIVE(sqr(z0)) → c12(SQR(active(z0)), ACTIVE(z0))
ACTIVE(s(z0)) → c13(S(active(z0)), ACTIVE(z0))
ACTIVE(add(z0, z1)) → c14(ADD(active(z0), z1), ACTIVE(z0))
ACTIVE(add(z0, z1)) → c15(ADD(z0, active(z1)), ACTIVE(z1))
ACTIVE(dbl(z0)) → c16(DBL(active(z0)), ACTIVE(z0))
ACTIVE(first(z0, z1)) → c17(FIRST(active(z0), z1), ACTIVE(z0))
ACTIVE(first(z0, z1)) → c18(FIRST(z0, active(z1)), ACTIVE(z1))
TERMS(mark(z0)) → c19(TERMS(z0))
TERMS(ok(z0)) → c20(TERMS(z0))
CONS(mark(z0), z1) → c21(CONS(z0, z1))
CONS(ok(z0), ok(z1)) → c22(CONS(z0, z1))
RECIP(mark(z0)) → c23(RECIP(z0))
RECIP(ok(z0)) → c24(RECIP(z0))
SQR(mark(z0)) → c25(SQR(z0))
SQR(ok(z0)) → c26(SQR(z0))
S(mark(z0)) → c27(S(z0))
S(ok(z0)) → c28(S(z0))
ADD(mark(z0), z1) → c29(ADD(z0, z1))
ADD(z0, mark(z1)) → c30(ADD(z0, z1))
ADD(ok(z0), ok(z1)) → c31(ADD(z0, z1))
DBL(mark(z0)) → c32(DBL(z0))
DBL(ok(z0)) → c33(DBL(z0))
FIRST(mark(z0), z1) → c34(FIRST(z0, z1))
FIRST(z0, mark(z1)) → c35(FIRST(z0, z1))
FIRST(ok(z0), ok(z1)) → c36(FIRST(z0, z1))
PROPER(terms(z0)) → c37(TERMS(proper(z0)), PROPER(z0))
PROPER(cons(z0, z1)) → c38(CONS(proper(z0), proper(z1)), PROPER(z0), PROPER(z1))
PROPER(recip(z0)) → c39(RECIP(proper(z0)), PROPER(z0))
PROPER(sqr(z0)) → c40(SQR(proper(z0)), PROPER(z0))
PROPER(s(z0)) → c41(S(proper(z0)), PROPER(z0))
PROPER(0) → c42
PROPER(add(z0, z1)) → c43(ADD(proper(z0), proper(z1)), PROPER(z0), PROPER(z1))
PROPER(dbl(z0)) → c44(DBL(proper(z0)), PROPER(z0))
PROPER(first(z0, z1)) → c45(FIRST(proper(z0), proper(z1)), PROPER(z0), PROPER(z1))
PROPER(nil) → c46
TOP(mark(z0)) → c47(TOP(proper(z0)), PROPER(z0))
TOP(ok(z0)) → c48(TOP(active(z0)), ACTIVE(z0))
K tuples:none
Defined Rule Symbols:

active, terms, cons, recip, sqr, s, add, dbl, first, proper, top

Defined Pair Symbols:

ACTIVE, TERMS, CONS, RECIP, SQR, S, ADD, DBL, FIRST, PROPER, TOP

Compound Symbols:

c, c1, c2, c3, c4, c5, c6, c7, c8, c9, c10, c11, c12, c13, c14, c15, c16, c17, c18, c19, c20, c21, c22, c23, c24, c25, c26, c27, c28, c29, c30, c31, c32, c33, c34, c35, c36, c37, c38, c39, c40, c41, c42, c43, c44, c45, c46, c47, c48

(3) CdtLeafRemovalProof (BOTH BOUNDS(ID, ID) transformation)

Removed 6 trailing nodes:

PROPER(nil) → c46
ACTIVE(sqr(0)) → c1
ACTIVE(add(0, z0)) → c5
ACTIVE(dbl(0)) → c3
PROPER(0) → c42
ACTIVE(first(0, z0)) → c7

(4) Obligation:

Complexity Dependency Tuples Problem
Rules:

active(terms(z0)) → mark(cons(recip(sqr(z0)), terms(s(z0))))
active(sqr(0)) → mark(0)
active(sqr(s(z0))) → mark(s(add(sqr(z0), dbl(z0))))
active(dbl(0)) → mark(0)
active(dbl(s(z0))) → mark(s(s(dbl(z0))))
active(add(0, z0)) → mark(z0)
active(add(s(z0), z1)) → mark(s(add(z0, z1)))
active(first(0, z0)) → mark(nil)
active(first(s(z0), cons(z1, z2))) → mark(cons(z1, first(z0, z2)))
active(terms(z0)) → terms(active(z0))
active(cons(z0, z1)) → cons(active(z0), z1)
active(recip(z0)) → recip(active(z0))
active(sqr(z0)) → sqr(active(z0))
active(s(z0)) → s(active(z0))
active(add(z0, z1)) → add(active(z0), z1)
active(add(z0, z1)) → add(z0, active(z1))
active(dbl(z0)) → dbl(active(z0))
active(first(z0, z1)) → first(active(z0), z1)
active(first(z0, z1)) → first(z0, active(z1))
terms(mark(z0)) → mark(terms(z0))
terms(ok(z0)) → ok(terms(z0))
cons(mark(z0), z1) → mark(cons(z0, z1))
cons(ok(z0), ok(z1)) → ok(cons(z0, z1))
recip(mark(z0)) → mark(recip(z0))
recip(ok(z0)) → ok(recip(z0))
sqr(mark(z0)) → mark(sqr(z0))
sqr(ok(z0)) → ok(sqr(z0))
s(mark(z0)) → mark(s(z0))
s(ok(z0)) → ok(s(z0))
add(mark(z0), z1) → mark(add(z0, z1))
add(z0, mark(z1)) → mark(add(z0, z1))
add(ok(z0), ok(z1)) → ok(add(z0, z1))
dbl(mark(z0)) → mark(dbl(z0))
dbl(ok(z0)) → ok(dbl(z0))
first(mark(z0), z1) → mark(first(z0, z1))
first(z0, mark(z1)) → mark(first(z0, z1))
first(ok(z0), ok(z1)) → ok(first(z0, z1))
proper(terms(z0)) → terms(proper(z0))
proper(cons(z0, z1)) → cons(proper(z0), proper(z1))
proper(recip(z0)) → recip(proper(z0))
proper(sqr(z0)) → sqr(proper(z0))
proper(s(z0)) → s(proper(z0))
proper(0) → ok(0)
proper(add(z0, z1)) → add(proper(z0), proper(z1))
proper(dbl(z0)) → dbl(proper(z0))
proper(first(z0, z1)) → first(proper(z0), proper(z1))
proper(nil) → ok(nil)
top(mark(z0)) → top(proper(z0))
top(ok(z0)) → top(active(z0))
Tuples:

ACTIVE(terms(z0)) → c(CONS(recip(sqr(z0)), terms(s(z0))), RECIP(sqr(z0)), SQR(z0), TERMS(s(z0)), S(z0))
ACTIVE(sqr(s(z0))) → c2(S(add(sqr(z0), dbl(z0))), ADD(sqr(z0), dbl(z0)), SQR(z0), DBL(z0))
ACTIVE(dbl(s(z0))) → c4(S(s(dbl(z0))), S(dbl(z0)), DBL(z0))
ACTIVE(add(s(z0), z1)) → c6(S(add(z0, z1)), ADD(z0, z1))
ACTIVE(first(s(z0), cons(z1, z2))) → c8(CONS(z1, first(z0, z2)), FIRST(z0, z2))
ACTIVE(terms(z0)) → c9(TERMS(active(z0)), ACTIVE(z0))
ACTIVE(cons(z0, z1)) → c10(CONS(active(z0), z1), ACTIVE(z0))
ACTIVE(recip(z0)) → c11(RECIP(active(z0)), ACTIVE(z0))
ACTIVE(sqr(z0)) → c12(SQR(active(z0)), ACTIVE(z0))
ACTIVE(s(z0)) → c13(S(active(z0)), ACTIVE(z0))
ACTIVE(add(z0, z1)) → c14(ADD(active(z0), z1), ACTIVE(z0))
ACTIVE(add(z0, z1)) → c15(ADD(z0, active(z1)), ACTIVE(z1))
ACTIVE(dbl(z0)) → c16(DBL(active(z0)), ACTIVE(z0))
ACTIVE(first(z0, z1)) → c17(FIRST(active(z0), z1), ACTIVE(z0))
ACTIVE(first(z0, z1)) → c18(FIRST(z0, active(z1)), ACTIVE(z1))
TERMS(mark(z0)) → c19(TERMS(z0))
TERMS(ok(z0)) → c20(TERMS(z0))
CONS(mark(z0), z1) → c21(CONS(z0, z1))
CONS(ok(z0), ok(z1)) → c22(CONS(z0, z1))
RECIP(mark(z0)) → c23(RECIP(z0))
RECIP(ok(z0)) → c24(RECIP(z0))
SQR(mark(z0)) → c25(SQR(z0))
SQR(ok(z0)) → c26(SQR(z0))
S(mark(z0)) → c27(S(z0))
S(ok(z0)) → c28(S(z0))
ADD(mark(z0), z1) → c29(ADD(z0, z1))
ADD(z0, mark(z1)) → c30(ADD(z0, z1))
ADD(ok(z0), ok(z1)) → c31(ADD(z0, z1))
DBL(mark(z0)) → c32(DBL(z0))
DBL(ok(z0)) → c33(DBL(z0))
FIRST(mark(z0), z1) → c34(FIRST(z0, z1))
FIRST(z0, mark(z1)) → c35(FIRST(z0, z1))
FIRST(ok(z0), ok(z1)) → c36(FIRST(z0, z1))
PROPER(terms(z0)) → c37(TERMS(proper(z0)), PROPER(z0))
PROPER(cons(z0, z1)) → c38(CONS(proper(z0), proper(z1)), PROPER(z0), PROPER(z1))
PROPER(recip(z0)) → c39(RECIP(proper(z0)), PROPER(z0))
PROPER(sqr(z0)) → c40(SQR(proper(z0)), PROPER(z0))
PROPER(s(z0)) → c41(S(proper(z0)), PROPER(z0))
PROPER(add(z0, z1)) → c43(ADD(proper(z0), proper(z1)), PROPER(z0), PROPER(z1))
PROPER(dbl(z0)) → c44(DBL(proper(z0)), PROPER(z0))
PROPER(first(z0, z1)) → c45(FIRST(proper(z0), proper(z1)), PROPER(z0), PROPER(z1))
TOP(mark(z0)) → c47(TOP(proper(z0)), PROPER(z0))
TOP(ok(z0)) → c48(TOP(active(z0)), ACTIVE(z0))
S tuples:

ACTIVE(terms(z0)) → c(CONS(recip(sqr(z0)), terms(s(z0))), RECIP(sqr(z0)), SQR(z0), TERMS(s(z0)), S(z0))
ACTIVE(sqr(s(z0))) → c2(S(add(sqr(z0), dbl(z0))), ADD(sqr(z0), dbl(z0)), SQR(z0), DBL(z0))
ACTIVE(dbl(s(z0))) → c4(S(s(dbl(z0))), S(dbl(z0)), DBL(z0))
ACTIVE(add(s(z0), z1)) → c6(S(add(z0, z1)), ADD(z0, z1))
ACTIVE(first(s(z0), cons(z1, z2))) → c8(CONS(z1, first(z0, z2)), FIRST(z0, z2))
ACTIVE(terms(z0)) → c9(TERMS(active(z0)), ACTIVE(z0))
ACTIVE(cons(z0, z1)) → c10(CONS(active(z0), z1), ACTIVE(z0))
ACTIVE(recip(z0)) → c11(RECIP(active(z0)), ACTIVE(z0))
ACTIVE(sqr(z0)) → c12(SQR(active(z0)), ACTIVE(z0))
ACTIVE(s(z0)) → c13(S(active(z0)), ACTIVE(z0))
ACTIVE(add(z0, z1)) → c14(ADD(active(z0), z1), ACTIVE(z0))
ACTIVE(add(z0, z1)) → c15(ADD(z0, active(z1)), ACTIVE(z1))
ACTIVE(dbl(z0)) → c16(DBL(active(z0)), ACTIVE(z0))
ACTIVE(first(z0, z1)) → c17(FIRST(active(z0), z1), ACTIVE(z0))
ACTIVE(first(z0, z1)) → c18(FIRST(z0, active(z1)), ACTIVE(z1))
TERMS(mark(z0)) → c19(TERMS(z0))
TERMS(ok(z0)) → c20(TERMS(z0))
CONS(mark(z0), z1) → c21(CONS(z0, z1))
CONS(ok(z0), ok(z1)) → c22(CONS(z0, z1))
RECIP(mark(z0)) → c23(RECIP(z0))
RECIP(ok(z0)) → c24(RECIP(z0))
SQR(mark(z0)) → c25(SQR(z0))
SQR(ok(z0)) → c26(SQR(z0))
S(mark(z0)) → c27(S(z0))
S(ok(z0)) → c28(S(z0))
ADD(mark(z0), z1) → c29(ADD(z0, z1))
ADD(z0, mark(z1)) → c30(ADD(z0, z1))
ADD(ok(z0), ok(z1)) → c31(ADD(z0, z1))
DBL(mark(z0)) → c32(DBL(z0))
DBL(ok(z0)) → c33(DBL(z0))
FIRST(mark(z0), z1) → c34(FIRST(z0, z1))
FIRST(z0, mark(z1)) → c35(FIRST(z0, z1))
FIRST(ok(z0), ok(z1)) → c36(FIRST(z0, z1))
PROPER(terms(z0)) → c37(TERMS(proper(z0)), PROPER(z0))
PROPER(cons(z0, z1)) → c38(CONS(proper(z0), proper(z1)), PROPER(z0), PROPER(z1))
PROPER(recip(z0)) → c39(RECIP(proper(z0)), PROPER(z0))
PROPER(sqr(z0)) → c40(SQR(proper(z0)), PROPER(z0))
PROPER(s(z0)) → c41(S(proper(z0)), PROPER(z0))
PROPER(add(z0, z1)) → c43(ADD(proper(z0), proper(z1)), PROPER(z0), PROPER(z1))
PROPER(dbl(z0)) → c44(DBL(proper(z0)), PROPER(z0))
PROPER(first(z0, z1)) → c45(FIRST(proper(z0), proper(z1)), PROPER(z0), PROPER(z1))
TOP(mark(z0)) → c47(TOP(proper(z0)), PROPER(z0))
TOP(ok(z0)) → c48(TOP(active(z0)), ACTIVE(z0))
K tuples:none
Defined Rule Symbols:

active, terms, cons, recip, sqr, s, add, dbl, first, proper, top

Defined Pair Symbols:

ACTIVE, TERMS, CONS, RECIP, SQR, S, ADD, DBL, FIRST, PROPER, TOP

Compound Symbols:

c, c2, c4, c6, c8, c9, c10, c11, c12, c13, c14, c15, c16, c17, c18, c19, c20, c21, c22, c23, c24, c25, c26, c27, c28, c29, c30, c31, c32, c33, c34, c35, c36, c37, c38, c39, c40, c41, c43, c44, c45, c47, c48

(5) CdtRhsSimplificationProcessorProof (BOTH BOUNDS(ID, ID) transformation)

Removed 8 trailing tuple parts

(6) Obligation:

Complexity Dependency Tuples Problem
Rules:

active(terms(z0)) → mark(cons(recip(sqr(z0)), terms(s(z0))))
active(sqr(0)) → mark(0)
active(sqr(s(z0))) → mark(s(add(sqr(z0), dbl(z0))))
active(dbl(0)) → mark(0)
active(dbl(s(z0))) → mark(s(s(dbl(z0))))
active(add(0, z0)) → mark(z0)
active(add(s(z0), z1)) → mark(s(add(z0, z1)))
active(first(0, z0)) → mark(nil)
active(first(s(z0), cons(z1, z2))) → mark(cons(z1, first(z0, z2)))
active(terms(z0)) → terms(active(z0))
active(cons(z0, z1)) → cons(active(z0), z1)
active(recip(z0)) → recip(active(z0))
active(sqr(z0)) → sqr(active(z0))
active(s(z0)) → s(active(z0))
active(add(z0, z1)) → add(active(z0), z1)
active(add(z0, z1)) → add(z0, active(z1))
active(dbl(z0)) → dbl(active(z0))
active(first(z0, z1)) → first(active(z0), z1)
active(first(z0, z1)) → first(z0, active(z1))
terms(mark(z0)) → mark(terms(z0))
terms(ok(z0)) → ok(terms(z0))
cons(mark(z0), z1) → mark(cons(z0, z1))
cons(ok(z0), ok(z1)) → ok(cons(z0, z1))
recip(mark(z0)) → mark(recip(z0))
recip(ok(z0)) → ok(recip(z0))
sqr(mark(z0)) → mark(sqr(z0))
sqr(ok(z0)) → ok(sqr(z0))
s(mark(z0)) → mark(s(z0))
s(ok(z0)) → ok(s(z0))
add(mark(z0), z1) → mark(add(z0, z1))
add(z0, mark(z1)) → mark(add(z0, z1))
add(ok(z0), ok(z1)) → ok(add(z0, z1))
dbl(mark(z0)) → mark(dbl(z0))
dbl(ok(z0)) → ok(dbl(z0))
first(mark(z0), z1) → mark(first(z0, z1))
first(z0, mark(z1)) → mark(first(z0, z1))
first(ok(z0), ok(z1)) → ok(first(z0, z1))
proper(terms(z0)) → terms(proper(z0))
proper(cons(z0, z1)) → cons(proper(z0), proper(z1))
proper(recip(z0)) → recip(proper(z0))
proper(sqr(z0)) → sqr(proper(z0))
proper(s(z0)) → s(proper(z0))
proper(0) → ok(0)
proper(add(z0, z1)) → add(proper(z0), proper(z1))
proper(dbl(z0)) → dbl(proper(z0))
proper(first(z0, z1)) → first(proper(z0), proper(z1))
proper(nil) → ok(nil)
top(mark(z0)) → top(proper(z0))
top(ok(z0)) → top(active(z0))
Tuples:

ACTIVE(first(s(z0), cons(z1, z2))) → c8(CONS(z1, first(z0, z2)), FIRST(z0, z2))
ACTIVE(terms(z0)) → c9(TERMS(active(z0)), ACTIVE(z0))
ACTIVE(cons(z0, z1)) → c10(CONS(active(z0), z1), ACTIVE(z0))
ACTIVE(recip(z0)) → c11(RECIP(active(z0)), ACTIVE(z0))
ACTIVE(sqr(z0)) → c12(SQR(active(z0)), ACTIVE(z0))
ACTIVE(s(z0)) → c13(S(active(z0)), ACTIVE(z0))
ACTIVE(add(z0, z1)) → c14(ADD(active(z0), z1), ACTIVE(z0))
ACTIVE(add(z0, z1)) → c15(ADD(z0, active(z1)), ACTIVE(z1))
ACTIVE(dbl(z0)) → c16(DBL(active(z0)), ACTIVE(z0))
ACTIVE(first(z0, z1)) → c17(FIRST(active(z0), z1), ACTIVE(z0))
ACTIVE(first(z0, z1)) → c18(FIRST(z0, active(z1)), ACTIVE(z1))
TERMS(mark(z0)) → c19(TERMS(z0))
TERMS(ok(z0)) → c20(TERMS(z0))
CONS(mark(z0), z1) → c21(CONS(z0, z1))
CONS(ok(z0), ok(z1)) → c22(CONS(z0, z1))
RECIP(mark(z0)) → c23(RECIP(z0))
RECIP(ok(z0)) → c24(RECIP(z0))
SQR(mark(z0)) → c25(SQR(z0))
SQR(ok(z0)) → c26(SQR(z0))
S(mark(z0)) → c27(S(z0))
S(ok(z0)) → c28(S(z0))
ADD(mark(z0), z1) → c29(ADD(z0, z1))
ADD(z0, mark(z1)) → c30(ADD(z0, z1))
ADD(ok(z0), ok(z1)) → c31(ADD(z0, z1))
DBL(mark(z0)) → c32(DBL(z0))
DBL(ok(z0)) → c33(DBL(z0))
FIRST(mark(z0), z1) → c34(FIRST(z0, z1))
FIRST(z0, mark(z1)) → c35(FIRST(z0, z1))
FIRST(ok(z0), ok(z1)) → c36(FIRST(z0, z1))
PROPER(terms(z0)) → c37(TERMS(proper(z0)), PROPER(z0))
PROPER(cons(z0, z1)) → c38(CONS(proper(z0), proper(z1)), PROPER(z0), PROPER(z1))
PROPER(recip(z0)) → c39(RECIP(proper(z0)), PROPER(z0))
PROPER(sqr(z0)) → c40(SQR(proper(z0)), PROPER(z0))
PROPER(s(z0)) → c41(S(proper(z0)), PROPER(z0))
PROPER(add(z0, z1)) → c43(ADD(proper(z0), proper(z1)), PROPER(z0), PROPER(z1))
PROPER(dbl(z0)) → c44(DBL(proper(z0)), PROPER(z0))
PROPER(first(z0, z1)) → c45(FIRST(proper(z0), proper(z1)), PROPER(z0), PROPER(z1))
TOP(mark(z0)) → c47(TOP(proper(z0)), PROPER(z0))
TOP(ok(z0)) → c48(TOP(active(z0)), ACTIVE(z0))
ACTIVE(terms(z0)) → c(SQR(z0), S(z0))
ACTIVE(sqr(s(z0))) → c2(SQR(z0), DBL(z0))
ACTIVE(dbl(s(z0))) → c4(DBL(z0))
ACTIVE(add(s(z0), z1)) → c6(ADD(z0, z1))
S tuples:

ACTIVE(first(s(z0), cons(z1, z2))) → c8(CONS(z1, first(z0, z2)), FIRST(z0, z2))
ACTIVE(terms(z0)) → c9(TERMS(active(z0)), ACTIVE(z0))
ACTIVE(cons(z0, z1)) → c10(CONS(active(z0), z1), ACTIVE(z0))
ACTIVE(recip(z0)) → c11(RECIP(active(z0)), ACTIVE(z0))
ACTIVE(sqr(z0)) → c12(SQR(active(z0)), ACTIVE(z0))
ACTIVE(s(z0)) → c13(S(active(z0)), ACTIVE(z0))
ACTIVE(add(z0, z1)) → c14(ADD(active(z0), z1), ACTIVE(z0))
ACTIVE(add(z0, z1)) → c15(ADD(z0, active(z1)), ACTIVE(z1))
ACTIVE(dbl(z0)) → c16(DBL(active(z0)), ACTIVE(z0))
ACTIVE(first(z0, z1)) → c17(FIRST(active(z0), z1), ACTIVE(z0))
ACTIVE(first(z0, z1)) → c18(FIRST(z0, active(z1)), ACTIVE(z1))
TERMS(mark(z0)) → c19(TERMS(z0))
TERMS(ok(z0)) → c20(TERMS(z0))
CONS(mark(z0), z1) → c21(CONS(z0, z1))
CONS(ok(z0), ok(z1)) → c22(CONS(z0, z1))
RECIP(mark(z0)) → c23(RECIP(z0))
RECIP(ok(z0)) → c24(RECIP(z0))
SQR(mark(z0)) → c25(SQR(z0))
SQR(ok(z0)) → c26(SQR(z0))
S(mark(z0)) → c27(S(z0))
S(ok(z0)) → c28(S(z0))
ADD(mark(z0), z1) → c29(ADD(z0, z1))
ADD(z0, mark(z1)) → c30(ADD(z0, z1))
ADD(ok(z0), ok(z1)) → c31(ADD(z0, z1))
DBL(mark(z0)) → c32(DBL(z0))
DBL(ok(z0)) → c33(DBL(z0))
FIRST(mark(z0), z1) → c34(FIRST(z0, z1))
FIRST(z0, mark(z1)) → c35(FIRST(z0, z1))
FIRST(ok(z0), ok(z1)) → c36(FIRST(z0, z1))
PROPER(terms(z0)) → c37(TERMS(proper(z0)), PROPER(z0))
PROPER(cons(z0, z1)) → c38(CONS(proper(z0), proper(z1)), PROPER(z0), PROPER(z1))
PROPER(recip(z0)) → c39(RECIP(proper(z0)), PROPER(z0))
PROPER(sqr(z0)) → c40(SQR(proper(z0)), PROPER(z0))
PROPER(s(z0)) → c41(S(proper(z0)), PROPER(z0))
PROPER(add(z0, z1)) → c43(ADD(proper(z0), proper(z1)), PROPER(z0), PROPER(z1))
PROPER(dbl(z0)) → c44(DBL(proper(z0)), PROPER(z0))
PROPER(first(z0, z1)) → c45(FIRST(proper(z0), proper(z1)), PROPER(z0), PROPER(z1))
TOP(mark(z0)) → c47(TOP(proper(z0)), PROPER(z0))
TOP(ok(z0)) → c48(TOP(active(z0)), ACTIVE(z0))
ACTIVE(terms(z0)) → c(SQR(z0), S(z0))
ACTIVE(sqr(s(z0))) → c2(SQR(z0), DBL(z0))
ACTIVE(dbl(s(z0))) → c4(DBL(z0))
ACTIVE(add(s(z0), z1)) → c6(ADD(z0, z1))
K tuples:none
Defined Rule Symbols:

active, terms, cons, recip, sqr, s, add, dbl, first, proper, top

Defined Pair Symbols:

ACTIVE, TERMS, CONS, RECIP, SQR, S, ADD, DBL, FIRST, PROPER, TOP

Compound Symbols:

c8, c9, c10, c11, c12, c13, c14, c15, c16, c17, c18, c19, c20, c21, c22, c23, c24, c25, c26, c27, c28, c29, c30, c31, c32, c33, c34, c35, c36, c37, c38, c39, c40, c41, c43, c44, c45, c47, c48, c, c2, c4, c6

(7) CdtGraphSplitRhsProof (BOTH BOUNDS(ID, ID) transformation)

Split RHS of tuples not part of any SCC

(8) Obligation:

Complexity Dependency Tuples Problem
Rules:

active(terms(z0)) → mark(cons(recip(sqr(z0)), terms(s(z0))))
active(sqr(0)) → mark(0)
active(sqr(s(z0))) → mark(s(add(sqr(z0), dbl(z0))))
active(dbl(0)) → mark(0)
active(dbl(s(z0))) → mark(s(s(dbl(z0))))
active(add(0, z0)) → mark(z0)
active(add(s(z0), z1)) → mark(s(add(z0, z1)))
active(first(0, z0)) → mark(nil)
active(first(s(z0), cons(z1, z2))) → mark(cons(z1, first(z0, z2)))
active(terms(z0)) → terms(active(z0))
active(cons(z0, z1)) → cons(active(z0), z1)
active(recip(z0)) → recip(active(z0))
active(sqr(z0)) → sqr(active(z0))
active(s(z0)) → s(active(z0))
active(add(z0, z1)) → add(active(z0), z1)
active(add(z0, z1)) → add(z0, active(z1))
active(dbl(z0)) → dbl(active(z0))
active(first(z0, z1)) → first(active(z0), z1)
active(first(z0, z1)) → first(z0, active(z1))
terms(mark(z0)) → mark(terms(z0))
terms(ok(z0)) → ok(terms(z0))
cons(mark(z0), z1) → mark(cons(z0, z1))
cons(ok(z0), ok(z1)) → ok(cons(z0, z1))
recip(mark(z0)) → mark(recip(z0))
recip(ok(z0)) → ok(recip(z0))
sqr(mark(z0)) → mark(sqr(z0))
sqr(ok(z0)) → ok(sqr(z0))
s(mark(z0)) → mark(s(z0))
s(ok(z0)) → ok(s(z0))
add(mark(z0), z1) → mark(add(z0, z1))
add(z0, mark(z1)) → mark(add(z0, z1))
add(ok(z0), ok(z1)) → ok(add(z0, z1))
dbl(mark(z0)) → mark(dbl(z0))
dbl(ok(z0)) → ok(dbl(z0))
first(mark(z0), z1) → mark(first(z0, z1))
first(z0, mark(z1)) → mark(first(z0, z1))
first(ok(z0), ok(z1)) → ok(first(z0, z1))
proper(terms(z0)) → terms(proper(z0))
proper(cons(z0, z1)) → cons(proper(z0), proper(z1))
proper(recip(z0)) → recip(proper(z0))
proper(sqr(z0)) → sqr(proper(z0))
proper(s(z0)) → s(proper(z0))
proper(0) → ok(0)
proper(add(z0, z1)) → add(proper(z0), proper(z1))
proper(dbl(z0)) → dbl(proper(z0))
proper(first(z0, z1)) → first(proper(z0), proper(z1))
proper(nil) → ok(nil)
top(mark(z0)) → top(proper(z0))
top(ok(z0)) → top(active(z0))
Tuples:

ACTIVE(terms(z0)) → c9(TERMS(active(z0)), ACTIVE(z0))
ACTIVE(cons(z0, z1)) → c10(CONS(active(z0), z1), ACTIVE(z0))
ACTIVE(recip(z0)) → c11(RECIP(active(z0)), ACTIVE(z0))
ACTIVE(sqr(z0)) → c12(SQR(active(z0)), ACTIVE(z0))
ACTIVE(s(z0)) → c13(S(active(z0)), ACTIVE(z0))
ACTIVE(add(z0, z1)) → c14(ADD(active(z0), z1), ACTIVE(z0))
ACTIVE(add(z0, z1)) → c15(ADD(z0, active(z1)), ACTIVE(z1))
ACTIVE(dbl(z0)) → c16(DBL(active(z0)), ACTIVE(z0))
ACTIVE(first(z0, z1)) → c17(FIRST(active(z0), z1), ACTIVE(z0))
ACTIVE(first(z0, z1)) → c18(FIRST(z0, active(z1)), ACTIVE(z1))
TERMS(mark(z0)) → c19(TERMS(z0))
TERMS(ok(z0)) → c20(TERMS(z0))
CONS(mark(z0), z1) → c21(CONS(z0, z1))
CONS(ok(z0), ok(z1)) → c22(CONS(z0, z1))
RECIP(mark(z0)) → c23(RECIP(z0))
RECIP(ok(z0)) → c24(RECIP(z0))
SQR(mark(z0)) → c25(SQR(z0))
SQR(ok(z0)) → c26(SQR(z0))
S(mark(z0)) → c27(S(z0))
S(ok(z0)) → c28(S(z0))
ADD(mark(z0), z1) → c29(ADD(z0, z1))
ADD(z0, mark(z1)) → c30(ADD(z0, z1))
ADD(ok(z0), ok(z1)) → c31(ADD(z0, z1))
DBL(mark(z0)) → c32(DBL(z0))
DBL(ok(z0)) → c33(DBL(z0))
FIRST(mark(z0), z1) → c34(FIRST(z0, z1))
FIRST(z0, mark(z1)) → c35(FIRST(z0, z1))
FIRST(ok(z0), ok(z1)) → c36(FIRST(z0, z1))
PROPER(terms(z0)) → c37(TERMS(proper(z0)), PROPER(z0))
PROPER(cons(z0, z1)) → c38(CONS(proper(z0), proper(z1)), PROPER(z0), PROPER(z1))
PROPER(recip(z0)) → c39(RECIP(proper(z0)), PROPER(z0))
PROPER(sqr(z0)) → c40(SQR(proper(z0)), PROPER(z0))
PROPER(s(z0)) → c41(S(proper(z0)), PROPER(z0))
PROPER(add(z0, z1)) → c43(ADD(proper(z0), proper(z1)), PROPER(z0), PROPER(z1))
PROPER(dbl(z0)) → c44(DBL(proper(z0)), PROPER(z0))
PROPER(first(z0, z1)) → c45(FIRST(proper(z0), proper(z1)), PROPER(z0), PROPER(z1))
TOP(mark(z0)) → c47(TOP(proper(z0)), PROPER(z0))
TOP(ok(z0)) → c48(TOP(active(z0)), ACTIVE(z0))
ACTIVE(dbl(s(z0))) → c4(DBL(z0))
ACTIVE(add(s(z0), z1)) → c6(ADD(z0, z1))
ACTIVE(first(s(z0), cons(z1, z2))) → c1(CONS(z1, first(z0, z2)))
ACTIVE(first(s(z0), cons(z1, z2))) → c1(FIRST(z0, z2))
ACTIVE(terms(z0)) → c1(SQR(z0))
ACTIVE(terms(z0)) → c1(S(z0))
ACTIVE(sqr(s(z0))) → c1(SQR(z0))
ACTIVE(sqr(s(z0))) → c1(DBL(z0))
S tuples:

ACTIVE(terms(z0)) → c9(TERMS(active(z0)), ACTIVE(z0))
ACTIVE(cons(z0, z1)) → c10(CONS(active(z0), z1), ACTIVE(z0))
ACTIVE(recip(z0)) → c11(RECIP(active(z0)), ACTIVE(z0))
ACTIVE(sqr(z0)) → c12(SQR(active(z0)), ACTIVE(z0))
ACTIVE(s(z0)) → c13(S(active(z0)), ACTIVE(z0))
ACTIVE(add(z0, z1)) → c14(ADD(active(z0), z1), ACTIVE(z0))
ACTIVE(add(z0, z1)) → c15(ADD(z0, active(z1)), ACTIVE(z1))
ACTIVE(dbl(z0)) → c16(DBL(active(z0)), ACTIVE(z0))
ACTIVE(first(z0, z1)) → c17(FIRST(active(z0), z1), ACTIVE(z0))
ACTIVE(first(z0, z1)) → c18(FIRST(z0, active(z1)), ACTIVE(z1))
TERMS(mark(z0)) → c19(TERMS(z0))
TERMS(ok(z0)) → c20(TERMS(z0))
CONS(mark(z0), z1) → c21(CONS(z0, z1))
CONS(ok(z0), ok(z1)) → c22(CONS(z0, z1))
RECIP(mark(z0)) → c23(RECIP(z0))
RECIP(ok(z0)) → c24(RECIP(z0))
SQR(mark(z0)) → c25(SQR(z0))
SQR(ok(z0)) → c26(SQR(z0))
S(mark(z0)) → c27(S(z0))
S(ok(z0)) → c28(S(z0))
ADD(mark(z0), z1) → c29(ADD(z0, z1))
ADD(z0, mark(z1)) → c30(ADD(z0, z1))
ADD(ok(z0), ok(z1)) → c31(ADD(z0, z1))
DBL(mark(z0)) → c32(DBL(z0))
DBL(ok(z0)) → c33(DBL(z0))
FIRST(mark(z0), z1) → c34(FIRST(z0, z1))
FIRST(z0, mark(z1)) → c35(FIRST(z0, z1))
FIRST(ok(z0), ok(z1)) → c36(FIRST(z0, z1))
PROPER(terms(z0)) → c37(TERMS(proper(z0)), PROPER(z0))
PROPER(cons(z0, z1)) → c38(CONS(proper(z0), proper(z1)), PROPER(z0), PROPER(z1))
PROPER(recip(z0)) → c39(RECIP(proper(z0)), PROPER(z0))
PROPER(sqr(z0)) → c40(SQR(proper(z0)), PROPER(z0))
PROPER(s(z0)) → c41(S(proper(z0)), PROPER(z0))
PROPER(add(z0, z1)) → c43(ADD(proper(z0), proper(z1)), PROPER(z0), PROPER(z1))
PROPER(dbl(z0)) → c44(DBL(proper(z0)), PROPER(z0))
PROPER(first(z0, z1)) → c45(FIRST(proper(z0), proper(z1)), PROPER(z0), PROPER(z1))
TOP(mark(z0)) → c47(TOP(proper(z0)), PROPER(z0))
TOP(ok(z0)) → c48(TOP(active(z0)), ACTIVE(z0))
ACTIVE(dbl(s(z0))) → c4(DBL(z0))
ACTIVE(add(s(z0), z1)) → c6(ADD(z0, z1))
ACTIVE(first(s(z0), cons(z1, z2))) → c1(CONS(z1, first(z0, z2)))
ACTIVE(first(s(z0), cons(z1, z2))) → c1(FIRST(z0, z2))
ACTIVE(terms(z0)) → c1(SQR(z0))
ACTIVE(terms(z0)) → c1(S(z0))
ACTIVE(sqr(s(z0))) → c1(SQR(z0))
ACTIVE(sqr(s(z0))) → c1(DBL(z0))
K tuples:none
Defined Rule Symbols:

active, terms, cons, recip, sqr, s, add, dbl, first, proper, top

Defined Pair Symbols:

ACTIVE, TERMS, CONS, RECIP, SQR, S, ADD, DBL, FIRST, PROPER, TOP

Compound Symbols:

c9, c10, c11, c12, c13, c14, c15, c16, c17, c18, c19, c20, c21, c22, c23, c24, c25, c26, c27, c28, c29, c30, c31, c32, c33, c34, c35, c36, c37, c38, c39, c40, c41, c43, c44, c45, c47, c48, c4, c6, c1

(9) CdtUsableRulesProof (EQUIVALENT transformation)

The following rules are not usable and were removed:

top(mark(z0)) → top(proper(z0))
top(ok(z0)) → top(active(z0))

(10) Obligation:

Complexity Dependency Tuples Problem
Rules:

active(terms(z0)) → mark(cons(recip(sqr(z0)), terms(s(z0))))
active(sqr(0)) → mark(0)
active(sqr(s(z0))) → mark(s(add(sqr(z0), dbl(z0))))
active(dbl(0)) → mark(0)
active(dbl(s(z0))) → mark(s(s(dbl(z0))))
active(add(0, z0)) → mark(z0)
active(add(s(z0), z1)) → mark(s(add(z0, z1)))
active(first(0, z0)) → mark(nil)
active(first(s(z0), cons(z1, z2))) → mark(cons(z1, first(z0, z2)))
active(terms(z0)) → terms(active(z0))
active(cons(z0, z1)) → cons(active(z0), z1)
active(recip(z0)) → recip(active(z0))
active(sqr(z0)) → sqr(active(z0))
active(s(z0)) → s(active(z0))
active(add(z0, z1)) → add(active(z0), z1)
active(add(z0, z1)) → add(z0, active(z1))
active(dbl(z0)) → dbl(active(z0))
active(first(z0, z1)) → first(active(z0), z1)
active(first(z0, z1)) → first(z0, active(z1))
cons(ok(z0), ok(z1)) → ok(cons(z0, z1))
cons(mark(z0), z1) → mark(cons(z0, z1))
first(z0, mark(z1)) → mark(first(z0, z1))
first(mark(z0), z1) → mark(first(z0, z1))
first(ok(z0), ok(z1)) → ok(first(z0, z1))
terms(mark(z0)) → mark(terms(z0))
terms(ok(z0)) → ok(terms(z0))
recip(mark(z0)) → mark(recip(z0))
recip(ok(z0)) → ok(recip(z0))
sqr(mark(z0)) → mark(sqr(z0))
sqr(ok(z0)) → ok(sqr(z0))
s(mark(z0)) → mark(s(z0))
s(ok(z0)) → ok(s(z0))
add(mark(z0), z1) → mark(add(z0, z1))
add(ok(z0), ok(z1)) → ok(add(z0, z1))
add(z0, mark(z1)) → mark(add(z0, z1))
dbl(mark(z0)) → mark(dbl(z0))
dbl(ok(z0)) → ok(dbl(z0))
proper(terms(z0)) → terms(proper(z0))
proper(cons(z0, z1)) → cons(proper(z0), proper(z1))
proper(recip(z0)) → recip(proper(z0))
proper(sqr(z0)) → sqr(proper(z0))
proper(s(z0)) → s(proper(z0))
proper(0) → ok(0)
proper(add(z0, z1)) → add(proper(z0), proper(z1))
proper(dbl(z0)) → dbl(proper(z0))
proper(first(z0, z1)) → first(proper(z0), proper(z1))
proper(nil) → ok(nil)
Tuples:

ACTIVE(terms(z0)) → c9(TERMS(active(z0)), ACTIVE(z0))
ACTIVE(cons(z0, z1)) → c10(CONS(active(z0), z1), ACTIVE(z0))
ACTIVE(recip(z0)) → c11(RECIP(active(z0)), ACTIVE(z0))
ACTIVE(sqr(z0)) → c12(SQR(active(z0)), ACTIVE(z0))
ACTIVE(s(z0)) → c13(S(active(z0)), ACTIVE(z0))
ACTIVE(add(z0, z1)) → c14(ADD(active(z0), z1), ACTIVE(z0))
ACTIVE(add(z0, z1)) → c15(ADD(z0, active(z1)), ACTIVE(z1))
ACTIVE(dbl(z0)) → c16(DBL(active(z0)), ACTIVE(z0))
ACTIVE(first(z0, z1)) → c17(FIRST(active(z0), z1), ACTIVE(z0))
ACTIVE(first(z0, z1)) → c18(FIRST(z0, active(z1)), ACTIVE(z1))
TERMS(mark(z0)) → c19(TERMS(z0))
TERMS(ok(z0)) → c20(TERMS(z0))
CONS(mark(z0), z1) → c21(CONS(z0, z1))
CONS(ok(z0), ok(z1)) → c22(CONS(z0, z1))
RECIP(mark(z0)) → c23(RECIP(z0))
RECIP(ok(z0)) → c24(RECIP(z0))
SQR(mark(z0)) → c25(SQR(z0))
SQR(ok(z0)) → c26(SQR(z0))
S(mark(z0)) → c27(S(z0))
S(ok(z0)) → c28(S(z0))
ADD(mark(z0), z1) → c29(ADD(z0, z1))
ADD(z0, mark(z1)) → c30(ADD(z0, z1))
ADD(ok(z0), ok(z1)) → c31(ADD(z0, z1))
DBL(mark(z0)) → c32(DBL(z0))
DBL(ok(z0)) → c33(DBL(z0))
FIRST(mark(z0), z1) → c34(FIRST(z0, z1))
FIRST(z0, mark(z1)) → c35(FIRST(z0, z1))
FIRST(ok(z0), ok(z1)) → c36(FIRST(z0, z1))
PROPER(terms(z0)) → c37(TERMS(proper(z0)), PROPER(z0))
PROPER(cons(z0, z1)) → c38(CONS(proper(z0), proper(z1)), PROPER(z0), PROPER(z1))
PROPER(recip(z0)) → c39(RECIP(proper(z0)), PROPER(z0))
PROPER(sqr(z0)) → c40(SQR(proper(z0)), PROPER(z0))
PROPER(s(z0)) → c41(S(proper(z0)), PROPER(z0))
PROPER(add(z0, z1)) → c43(ADD(proper(z0), proper(z1)), PROPER(z0), PROPER(z1))
PROPER(dbl(z0)) → c44(DBL(proper(z0)), PROPER(z0))
PROPER(first(z0, z1)) → c45(FIRST(proper(z0), proper(z1)), PROPER(z0), PROPER(z1))
TOP(mark(z0)) → c47(TOP(proper(z0)), PROPER(z0))
TOP(ok(z0)) → c48(TOP(active(z0)), ACTIVE(z0))
ACTIVE(dbl(s(z0))) → c4(DBL(z0))
ACTIVE(add(s(z0), z1)) → c6(ADD(z0, z1))
ACTIVE(first(s(z0), cons(z1, z2))) → c1(CONS(z1, first(z0, z2)))
ACTIVE(first(s(z0), cons(z1, z2))) → c1(FIRST(z0, z2))
ACTIVE(terms(z0)) → c1(SQR(z0))
ACTIVE(terms(z0)) → c1(S(z0))
ACTIVE(sqr(s(z0))) → c1(SQR(z0))
ACTIVE(sqr(s(z0))) → c1(DBL(z0))
S tuples:

ACTIVE(terms(z0)) → c9(TERMS(active(z0)), ACTIVE(z0))
ACTIVE(cons(z0, z1)) → c10(CONS(active(z0), z1), ACTIVE(z0))
ACTIVE(recip(z0)) → c11(RECIP(active(z0)), ACTIVE(z0))
ACTIVE(sqr(z0)) → c12(SQR(active(z0)), ACTIVE(z0))
ACTIVE(s(z0)) → c13(S(active(z0)), ACTIVE(z0))
ACTIVE(add(z0, z1)) → c14(ADD(active(z0), z1), ACTIVE(z0))
ACTIVE(add(z0, z1)) → c15(ADD(z0, active(z1)), ACTIVE(z1))
ACTIVE(dbl(z0)) → c16(DBL(active(z0)), ACTIVE(z0))
ACTIVE(first(z0, z1)) → c17(FIRST(active(z0), z1), ACTIVE(z0))
ACTIVE(first(z0, z1)) → c18(FIRST(z0, active(z1)), ACTIVE(z1))
TERMS(mark(z0)) → c19(TERMS(z0))
TERMS(ok(z0)) → c20(TERMS(z0))
CONS(mark(z0), z1) → c21(CONS(z0, z1))
CONS(ok(z0), ok(z1)) → c22(CONS(z0, z1))
RECIP(mark(z0)) → c23(RECIP(z0))
RECIP(ok(z0)) → c24(RECIP(z0))
SQR(mark(z0)) → c25(SQR(z0))
SQR(ok(z0)) → c26(SQR(z0))
S(mark(z0)) → c27(S(z0))
S(ok(z0)) → c28(S(z0))
ADD(mark(z0), z1) → c29(ADD(z0, z1))
ADD(z0, mark(z1)) → c30(ADD(z0, z1))
ADD(ok(z0), ok(z1)) → c31(ADD(z0, z1))
DBL(mark(z0)) → c32(DBL(z0))
DBL(ok(z0)) → c33(DBL(z0))
FIRST(mark(z0), z1) → c34(FIRST(z0, z1))
FIRST(z0, mark(z1)) → c35(FIRST(z0, z1))
FIRST(ok(z0), ok(z1)) → c36(FIRST(z0, z1))
PROPER(terms(z0)) → c37(TERMS(proper(z0)), PROPER(z0))
PROPER(cons(z0, z1)) → c38(CONS(proper(z0), proper(z1)), PROPER(z0), PROPER(z1))
PROPER(recip(z0)) → c39(RECIP(proper(z0)), PROPER(z0))
PROPER(sqr(z0)) → c40(SQR(proper(z0)), PROPER(z0))
PROPER(s(z0)) → c41(S(proper(z0)), PROPER(z0))
PROPER(add(z0, z1)) → c43(ADD(proper(z0), proper(z1)), PROPER(z0), PROPER(z1))
PROPER(dbl(z0)) → c44(DBL(proper(z0)), PROPER(z0))
PROPER(first(z0, z1)) → c45(FIRST(proper(z0), proper(z1)), PROPER(z0), PROPER(z1))
TOP(mark(z0)) → c47(TOP(proper(z0)), PROPER(z0))
TOP(ok(z0)) → c48(TOP(active(z0)), ACTIVE(z0))
ACTIVE(dbl(s(z0))) → c4(DBL(z0))
ACTIVE(add(s(z0), z1)) → c6(ADD(z0, z1))
ACTIVE(first(s(z0), cons(z1, z2))) → c1(CONS(z1, first(z0, z2)))
ACTIVE(first(s(z0), cons(z1, z2))) → c1(FIRST(z0, z2))
ACTIVE(terms(z0)) → c1(SQR(z0))
ACTIVE(terms(z0)) → c1(S(z0))
ACTIVE(sqr(s(z0))) → c1(SQR(z0))
ACTIVE(sqr(s(z0))) → c1(DBL(z0))
K tuples:none
Defined Rule Symbols:

active, cons, first, terms, recip, sqr, s, add, dbl, proper

Defined Pair Symbols:

ACTIVE, TERMS, CONS, RECIP, SQR, S, ADD, DBL, FIRST, PROPER, TOP

Compound Symbols:

c9, c10, c11, c12, c13, c14, c15, c16, c17, c18, c19, c20, c21, c22, c23, c24, c25, c26, c27, c28, c29, c30, c31, c32, c33, c34, c35, c36, c37, c38, c39, c40, c41, c43, c44, c45, c47, c48, c4, c6, c1

(11) CdtNarrowingProof (BOTH BOUNDS(ID, ID) transformation)

Use narrowing to replace ACTIVE(terms(z0)) → c9(TERMS(active(z0)), ACTIVE(z0)) by

ACTIVE(terms(terms(z0))) → c9(TERMS(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(terms(sqr(0))) → c9(TERMS(mark(0)), ACTIVE(sqr(0)))
ACTIVE(terms(sqr(s(z0)))) → c9(TERMS(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(terms(dbl(0))) → c9(TERMS(mark(0)), ACTIVE(dbl(0)))
ACTIVE(terms(dbl(s(z0)))) → c9(TERMS(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(terms(add(0, z0))) → c9(TERMS(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(terms(add(s(z0), z1))) → c9(TERMS(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(terms(first(0, z0))) → c9(TERMS(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(terms(first(s(z0), cons(z1, z2)))) → c9(TERMS(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(terms(terms(z0))) → c9(TERMS(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(terms(cons(z0, z1))) → c9(TERMS(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(terms(recip(z0))) → c9(TERMS(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(terms(sqr(z0))) → c9(TERMS(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(terms(s(z0))) → c9(TERMS(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(terms(add(z0, z1))) → c9(TERMS(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(terms(add(z0, z1))) → c9(TERMS(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(terms(dbl(z0))) → c9(TERMS(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(terms(first(z0, z1))) → c9(TERMS(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(terms(first(z0, z1))) → c9(TERMS(first(z0, active(z1))), ACTIVE(first(z0, z1)))

(12) Obligation:

Complexity Dependency Tuples Problem
Rules:

active(terms(z0)) → mark(cons(recip(sqr(z0)), terms(s(z0))))
active(sqr(0)) → mark(0)
active(sqr(s(z0))) → mark(s(add(sqr(z0), dbl(z0))))
active(dbl(0)) → mark(0)
active(dbl(s(z0))) → mark(s(s(dbl(z0))))
active(add(0, z0)) → mark(z0)
active(add(s(z0), z1)) → mark(s(add(z0, z1)))
active(first(0, z0)) → mark(nil)
active(first(s(z0), cons(z1, z2))) → mark(cons(z1, first(z0, z2)))
active(terms(z0)) → terms(active(z0))
active(cons(z0, z1)) → cons(active(z0), z1)
active(recip(z0)) → recip(active(z0))
active(sqr(z0)) → sqr(active(z0))
active(s(z0)) → s(active(z0))
active(add(z0, z1)) → add(active(z0), z1)
active(add(z0, z1)) → add(z0, active(z1))
active(dbl(z0)) → dbl(active(z0))
active(first(z0, z1)) → first(active(z0), z1)
active(first(z0, z1)) → first(z0, active(z1))
cons(ok(z0), ok(z1)) → ok(cons(z0, z1))
cons(mark(z0), z1) → mark(cons(z0, z1))
first(z0, mark(z1)) → mark(first(z0, z1))
first(mark(z0), z1) → mark(first(z0, z1))
first(ok(z0), ok(z1)) → ok(first(z0, z1))
terms(mark(z0)) → mark(terms(z0))
terms(ok(z0)) → ok(terms(z0))
recip(mark(z0)) → mark(recip(z0))
recip(ok(z0)) → ok(recip(z0))
sqr(mark(z0)) → mark(sqr(z0))
sqr(ok(z0)) → ok(sqr(z0))
s(mark(z0)) → mark(s(z0))
s(ok(z0)) → ok(s(z0))
add(mark(z0), z1) → mark(add(z0, z1))
add(ok(z0), ok(z1)) → ok(add(z0, z1))
add(z0, mark(z1)) → mark(add(z0, z1))
dbl(mark(z0)) → mark(dbl(z0))
dbl(ok(z0)) → ok(dbl(z0))
proper(terms(z0)) → terms(proper(z0))
proper(cons(z0, z1)) → cons(proper(z0), proper(z1))
proper(recip(z0)) → recip(proper(z0))
proper(sqr(z0)) → sqr(proper(z0))
proper(s(z0)) → s(proper(z0))
proper(0) → ok(0)
proper(add(z0, z1)) → add(proper(z0), proper(z1))
proper(dbl(z0)) → dbl(proper(z0))
proper(first(z0, z1)) → first(proper(z0), proper(z1))
proper(nil) → ok(nil)
Tuples:

ACTIVE(cons(z0, z1)) → c10(CONS(active(z0), z1), ACTIVE(z0))
ACTIVE(recip(z0)) → c11(RECIP(active(z0)), ACTIVE(z0))
ACTIVE(sqr(z0)) → c12(SQR(active(z0)), ACTIVE(z0))
ACTIVE(s(z0)) → c13(S(active(z0)), ACTIVE(z0))
ACTIVE(add(z0, z1)) → c14(ADD(active(z0), z1), ACTIVE(z0))
ACTIVE(add(z0, z1)) → c15(ADD(z0, active(z1)), ACTIVE(z1))
ACTIVE(dbl(z0)) → c16(DBL(active(z0)), ACTIVE(z0))
ACTIVE(first(z0, z1)) → c17(FIRST(active(z0), z1), ACTIVE(z0))
ACTIVE(first(z0, z1)) → c18(FIRST(z0, active(z1)), ACTIVE(z1))
TERMS(mark(z0)) → c19(TERMS(z0))
TERMS(ok(z0)) → c20(TERMS(z0))
CONS(mark(z0), z1) → c21(CONS(z0, z1))
CONS(ok(z0), ok(z1)) → c22(CONS(z0, z1))
RECIP(mark(z0)) → c23(RECIP(z0))
RECIP(ok(z0)) → c24(RECIP(z0))
SQR(mark(z0)) → c25(SQR(z0))
SQR(ok(z0)) → c26(SQR(z0))
S(mark(z0)) → c27(S(z0))
S(ok(z0)) → c28(S(z0))
ADD(mark(z0), z1) → c29(ADD(z0, z1))
ADD(z0, mark(z1)) → c30(ADD(z0, z1))
ADD(ok(z0), ok(z1)) → c31(ADD(z0, z1))
DBL(mark(z0)) → c32(DBL(z0))
DBL(ok(z0)) → c33(DBL(z0))
FIRST(mark(z0), z1) → c34(FIRST(z0, z1))
FIRST(z0, mark(z1)) → c35(FIRST(z0, z1))
FIRST(ok(z0), ok(z1)) → c36(FIRST(z0, z1))
PROPER(terms(z0)) → c37(TERMS(proper(z0)), PROPER(z0))
PROPER(cons(z0, z1)) → c38(CONS(proper(z0), proper(z1)), PROPER(z0), PROPER(z1))
PROPER(recip(z0)) → c39(RECIP(proper(z0)), PROPER(z0))
PROPER(sqr(z0)) → c40(SQR(proper(z0)), PROPER(z0))
PROPER(s(z0)) → c41(S(proper(z0)), PROPER(z0))
PROPER(add(z0, z1)) → c43(ADD(proper(z0), proper(z1)), PROPER(z0), PROPER(z1))
PROPER(dbl(z0)) → c44(DBL(proper(z0)), PROPER(z0))
PROPER(first(z0, z1)) → c45(FIRST(proper(z0), proper(z1)), PROPER(z0), PROPER(z1))
TOP(mark(z0)) → c47(TOP(proper(z0)), PROPER(z0))
TOP(ok(z0)) → c48(TOP(active(z0)), ACTIVE(z0))
ACTIVE(dbl(s(z0))) → c4(DBL(z0))
ACTIVE(add(s(z0), z1)) → c6(ADD(z0, z1))
ACTIVE(first(s(z0), cons(z1, z2))) → c1(CONS(z1, first(z0, z2)))
ACTIVE(first(s(z0), cons(z1, z2))) → c1(FIRST(z0, z2))
ACTIVE(terms(z0)) → c1(SQR(z0))
ACTIVE(terms(z0)) → c1(S(z0))
ACTIVE(sqr(s(z0))) → c1(SQR(z0))
ACTIVE(sqr(s(z0))) → c1(DBL(z0))
ACTIVE(terms(terms(z0))) → c9(TERMS(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(terms(sqr(0))) → c9(TERMS(mark(0)), ACTIVE(sqr(0)))
ACTIVE(terms(sqr(s(z0)))) → c9(TERMS(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(terms(dbl(0))) → c9(TERMS(mark(0)), ACTIVE(dbl(0)))
ACTIVE(terms(dbl(s(z0)))) → c9(TERMS(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(terms(add(0, z0))) → c9(TERMS(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(terms(add(s(z0), z1))) → c9(TERMS(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(terms(first(0, z0))) → c9(TERMS(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(terms(first(s(z0), cons(z1, z2)))) → c9(TERMS(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(terms(terms(z0))) → c9(TERMS(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(terms(cons(z0, z1))) → c9(TERMS(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(terms(recip(z0))) → c9(TERMS(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(terms(sqr(z0))) → c9(TERMS(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(terms(s(z0))) → c9(TERMS(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(terms(add(z0, z1))) → c9(TERMS(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(terms(add(z0, z1))) → c9(TERMS(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(terms(dbl(z0))) → c9(TERMS(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(terms(first(z0, z1))) → c9(TERMS(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(terms(first(z0, z1))) → c9(TERMS(first(z0, active(z1))), ACTIVE(first(z0, z1)))
S tuples:

ACTIVE(cons(z0, z1)) → c10(CONS(active(z0), z1), ACTIVE(z0))
ACTIVE(recip(z0)) → c11(RECIP(active(z0)), ACTIVE(z0))
ACTIVE(sqr(z0)) → c12(SQR(active(z0)), ACTIVE(z0))
ACTIVE(s(z0)) → c13(S(active(z0)), ACTIVE(z0))
ACTIVE(add(z0, z1)) → c14(ADD(active(z0), z1), ACTIVE(z0))
ACTIVE(add(z0, z1)) → c15(ADD(z0, active(z1)), ACTIVE(z1))
ACTIVE(dbl(z0)) → c16(DBL(active(z0)), ACTIVE(z0))
ACTIVE(first(z0, z1)) → c17(FIRST(active(z0), z1), ACTIVE(z0))
ACTIVE(first(z0, z1)) → c18(FIRST(z0, active(z1)), ACTIVE(z1))
TERMS(mark(z0)) → c19(TERMS(z0))
TERMS(ok(z0)) → c20(TERMS(z0))
CONS(mark(z0), z1) → c21(CONS(z0, z1))
CONS(ok(z0), ok(z1)) → c22(CONS(z0, z1))
RECIP(mark(z0)) → c23(RECIP(z0))
RECIP(ok(z0)) → c24(RECIP(z0))
SQR(mark(z0)) → c25(SQR(z0))
SQR(ok(z0)) → c26(SQR(z0))
S(mark(z0)) → c27(S(z0))
S(ok(z0)) → c28(S(z0))
ADD(mark(z0), z1) → c29(ADD(z0, z1))
ADD(z0, mark(z1)) → c30(ADD(z0, z1))
ADD(ok(z0), ok(z1)) → c31(ADD(z0, z1))
DBL(mark(z0)) → c32(DBL(z0))
DBL(ok(z0)) → c33(DBL(z0))
FIRST(mark(z0), z1) → c34(FIRST(z0, z1))
FIRST(z0, mark(z1)) → c35(FIRST(z0, z1))
FIRST(ok(z0), ok(z1)) → c36(FIRST(z0, z1))
PROPER(terms(z0)) → c37(TERMS(proper(z0)), PROPER(z0))
PROPER(cons(z0, z1)) → c38(CONS(proper(z0), proper(z1)), PROPER(z0), PROPER(z1))
PROPER(recip(z0)) → c39(RECIP(proper(z0)), PROPER(z0))
PROPER(sqr(z0)) → c40(SQR(proper(z0)), PROPER(z0))
PROPER(s(z0)) → c41(S(proper(z0)), PROPER(z0))
PROPER(add(z0, z1)) → c43(ADD(proper(z0), proper(z1)), PROPER(z0), PROPER(z1))
PROPER(dbl(z0)) → c44(DBL(proper(z0)), PROPER(z0))
PROPER(first(z0, z1)) → c45(FIRST(proper(z0), proper(z1)), PROPER(z0), PROPER(z1))
TOP(mark(z0)) → c47(TOP(proper(z0)), PROPER(z0))
TOP(ok(z0)) → c48(TOP(active(z0)), ACTIVE(z0))
ACTIVE(dbl(s(z0))) → c4(DBL(z0))
ACTIVE(add(s(z0), z1)) → c6(ADD(z0, z1))
ACTIVE(first(s(z0), cons(z1, z2))) → c1(CONS(z1, first(z0, z2)))
ACTIVE(first(s(z0), cons(z1, z2))) → c1(FIRST(z0, z2))
ACTIVE(terms(z0)) → c1(SQR(z0))
ACTIVE(terms(z0)) → c1(S(z0))
ACTIVE(sqr(s(z0))) → c1(SQR(z0))
ACTIVE(sqr(s(z0))) → c1(DBL(z0))
ACTIVE(terms(terms(z0))) → c9(TERMS(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(terms(sqr(0))) → c9(TERMS(mark(0)), ACTIVE(sqr(0)))
ACTIVE(terms(sqr(s(z0)))) → c9(TERMS(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(terms(dbl(0))) → c9(TERMS(mark(0)), ACTIVE(dbl(0)))
ACTIVE(terms(dbl(s(z0)))) → c9(TERMS(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(terms(add(0, z0))) → c9(TERMS(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(terms(add(s(z0), z1))) → c9(TERMS(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(terms(first(0, z0))) → c9(TERMS(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(terms(first(s(z0), cons(z1, z2)))) → c9(TERMS(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(terms(terms(z0))) → c9(TERMS(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(terms(cons(z0, z1))) → c9(TERMS(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(terms(recip(z0))) → c9(TERMS(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(terms(sqr(z0))) → c9(TERMS(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(terms(s(z0))) → c9(TERMS(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(terms(add(z0, z1))) → c9(TERMS(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(terms(add(z0, z1))) → c9(TERMS(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(terms(dbl(z0))) → c9(TERMS(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(terms(first(z0, z1))) → c9(TERMS(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(terms(first(z0, z1))) → c9(TERMS(first(z0, active(z1))), ACTIVE(first(z0, z1)))
K tuples:none
Defined Rule Symbols:

active, cons, first, terms, recip, sqr, s, add, dbl, proper

Defined Pair Symbols:

ACTIVE, TERMS, CONS, RECIP, SQR, S, ADD, DBL, FIRST, PROPER, TOP

Compound Symbols:

c10, c11, c12, c13, c14, c15, c16, c17, c18, c19, c20, c21, c22, c23, c24, c25, c26, c27, c28, c29, c30, c31, c32, c33, c34, c35, c36, c37, c38, c39, c40, c41, c43, c44, c45, c47, c48, c4, c6, c1, c9

(13) CdtNarrowingProof (BOTH BOUNDS(ID, ID) transformation)

Use narrowing to replace ACTIVE(cons(z0, z1)) → c10(CONS(active(z0), z1), ACTIVE(z0)) by

ACTIVE(cons(terms(z0), x1)) → c10(CONS(mark(cons(recip(sqr(z0)), terms(s(z0)))), x1), ACTIVE(terms(z0)))
ACTIVE(cons(sqr(0), x1)) → c10(CONS(mark(0), x1), ACTIVE(sqr(0)))
ACTIVE(cons(sqr(s(z0)), x1)) → c10(CONS(mark(s(add(sqr(z0), dbl(z0)))), x1), ACTIVE(sqr(s(z0))))
ACTIVE(cons(dbl(0), x1)) → c10(CONS(mark(0), x1), ACTIVE(dbl(0)))
ACTIVE(cons(dbl(s(z0)), x1)) → c10(CONS(mark(s(s(dbl(z0)))), x1), ACTIVE(dbl(s(z0))))
ACTIVE(cons(add(0, z0), x1)) → c10(CONS(mark(z0), x1), ACTIVE(add(0, z0)))
ACTIVE(cons(add(s(z0), z1), x1)) → c10(CONS(mark(s(add(z0, z1))), x1), ACTIVE(add(s(z0), z1)))
ACTIVE(cons(first(0, z0), x1)) → c10(CONS(mark(nil), x1), ACTIVE(first(0, z0)))
ACTIVE(cons(first(s(z0), cons(z1, z2)), x1)) → c10(CONS(mark(cons(z1, first(z0, z2))), x1), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(cons(terms(z0), x1)) → c10(CONS(terms(active(z0)), x1), ACTIVE(terms(z0)))
ACTIVE(cons(cons(z0, z1), x1)) → c10(CONS(cons(active(z0), z1), x1), ACTIVE(cons(z0, z1)))
ACTIVE(cons(recip(z0), x1)) → c10(CONS(recip(active(z0)), x1), ACTIVE(recip(z0)))
ACTIVE(cons(sqr(z0), x1)) → c10(CONS(sqr(active(z0)), x1), ACTIVE(sqr(z0)))
ACTIVE(cons(s(z0), x1)) → c10(CONS(s(active(z0)), x1), ACTIVE(s(z0)))
ACTIVE(cons(add(z0, z1), x1)) → c10(CONS(add(active(z0), z1), x1), ACTIVE(add(z0, z1)))
ACTIVE(cons(add(z0, z1), x1)) → c10(CONS(add(z0, active(z1)), x1), ACTIVE(add(z0, z1)))
ACTIVE(cons(dbl(z0), x1)) → c10(CONS(dbl(active(z0)), x1), ACTIVE(dbl(z0)))
ACTIVE(cons(first(z0, z1), x1)) → c10(CONS(first(active(z0), z1), x1), ACTIVE(first(z0, z1)))
ACTIVE(cons(first(z0, z1), x1)) → c10(CONS(first(z0, active(z1)), x1), ACTIVE(first(z0, z1)))

(14) Obligation:

Complexity Dependency Tuples Problem
Rules:

active(terms(z0)) → mark(cons(recip(sqr(z0)), terms(s(z0))))
active(sqr(0)) → mark(0)
active(sqr(s(z0))) → mark(s(add(sqr(z0), dbl(z0))))
active(dbl(0)) → mark(0)
active(dbl(s(z0))) → mark(s(s(dbl(z0))))
active(add(0, z0)) → mark(z0)
active(add(s(z0), z1)) → mark(s(add(z0, z1)))
active(first(0, z0)) → mark(nil)
active(first(s(z0), cons(z1, z2))) → mark(cons(z1, first(z0, z2)))
active(terms(z0)) → terms(active(z0))
active(cons(z0, z1)) → cons(active(z0), z1)
active(recip(z0)) → recip(active(z0))
active(sqr(z0)) → sqr(active(z0))
active(s(z0)) → s(active(z0))
active(add(z0, z1)) → add(active(z0), z1)
active(add(z0, z1)) → add(z0, active(z1))
active(dbl(z0)) → dbl(active(z0))
active(first(z0, z1)) → first(active(z0), z1)
active(first(z0, z1)) → first(z0, active(z1))
cons(ok(z0), ok(z1)) → ok(cons(z0, z1))
cons(mark(z0), z1) → mark(cons(z0, z1))
first(z0, mark(z1)) → mark(first(z0, z1))
first(mark(z0), z1) → mark(first(z0, z1))
first(ok(z0), ok(z1)) → ok(first(z0, z1))
terms(mark(z0)) → mark(terms(z0))
terms(ok(z0)) → ok(terms(z0))
recip(mark(z0)) → mark(recip(z0))
recip(ok(z0)) → ok(recip(z0))
sqr(mark(z0)) → mark(sqr(z0))
sqr(ok(z0)) → ok(sqr(z0))
s(mark(z0)) → mark(s(z0))
s(ok(z0)) → ok(s(z0))
add(mark(z0), z1) → mark(add(z0, z1))
add(ok(z0), ok(z1)) → ok(add(z0, z1))
add(z0, mark(z1)) → mark(add(z0, z1))
dbl(mark(z0)) → mark(dbl(z0))
dbl(ok(z0)) → ok(dbl(z0))
proper(terms(z0)) → terms(proper(z0))
proper(cons(z0, z1)) → cons(proper(z0), proper(z1))
proper(recip(z0)) → recip(proper(z0))
proper(sqr(z0)) → sqr(proper(z0))
proper(s(z0)) → s(proper(z0))
proper(0) → ok(0)
proper(add(z0, z1)) → add(proper(z0), proper(z1))
proper(dbl(z0)) → dbl(proper(z0))
proper(first(z0, z1)) → first(proper(z0), proper(z1))
proper(nil) → ok(nil)
Tuples:

ACTIVE(recip(z0)) → c11(RECIP(active(z0)), ACTIVE(z0))
ACTIVE(sqr(z0)) → c12(SQR(active(z0)), ACTIVE(z0))
ACTIVE(s(z0)) → c13(S(active(z0)), ACTIVE(z0))
ACTIVE(add(z0, z1)) → c14(ADD(active(z0), z1), ACTIVE(z0))
ACTIVE(add(z0, z1)) → c15(ADD(z0, active(z1)), ACTIVE(z1))
ACTIVE(dbl(z0)) → c16(DBL(active(z0)), ACTIVE(z0))
ACTIVE(first(z0, z1)) → c17(FIRST(active(z0), z1), ACTIVE(z0))
ACTIVE(first(z0, z1)) → c18(FIRST(z0, active(z1)), ACTIVE(z1))
TERMS(mark(z0)) → c19(TERMS(z0))
TERMS(ok(z0)) → c20(TERMS(z0))
CONS(mark(z0), z1) → c21(CONS(z0, z1))
CONS(ok(z0), ok(z1)) → c22(CONS(z0, z1))
RECIP(mark(z0)) → c23(RECIP(z0))
RECIP(ok(z0)) → c24(RECIP(z0))
SQR(mark(z0)) → c25(SQR(z0))
SQR(ok(z0)) → c26(SQR(z0))
S(mark(z0)) → c27(S(z0))
S(ok(z0)) → c28(S(z0))
ADD(mark(z0), z1) → c29(ADD(z0, z1))
ADD(z0, mark(z1)) → c30(ADD(z0, z1))
ADD(ok(z0), ok(z1)) → c31(ADD(z0, z1))
DBL(mark(z0)) → c32(DBL(z0))
DBL(ok(z0)) → c33(DBL(z0))
FIRST(mark(z0), z1) → c34(FIRST(z0, z1))
FIRST(z0, mark(z1)) → c35(FIRST(z0, z1))
FIRST(ok(z0), ok(z1)) → c36(FIRST(z0, z1))
PROPER(terms(z0)) → c37(TERMS(proper(z0)), PROPER(z0))
PROPER(cons(z0, z1)) → c38(CONS(proper(z0), proper(z1)), PROPER(z0), PROPER(z1))
PROPER(recip(z0)) → c39(RECIP(proper(z0)), PROPER(z0))
PROPER(sqr(z0)) → c40(SQR(proper(z0)), PROPER(z0))
PROPER(s(z0)) → c41(S(proper(z0)), PROPER(z0))
PROPER(add(z0, z1)) → c43(ADD(proper(z0), proper(z1)), PROPER(z0), PROPER(z1))
PROPER(dbl(z0)) → c44(DBL(proper(z0)), PROPER(z0))
PROPER(first(z0, z1)) → c45(FIRST(proper(z0), proper(z1)), PROPER(z0), PROPER(z1))
TOP(mark(z0)) → c47(TOP(proper(z0)), PROPER(z0))
TOP(ok(z0)) → c48(TOP(active(z0)), ACTIVE(z0))
ACTIVE(dbl(s(z0))) → c4(DBL(z0))
ACTIVE(add(s(z0), z1)) → c6(ADD(z0, z1))
ACTIVE(first(s(z0), cons(z1, z2))) → c1(CONS(z1, first(z0, z2)))
ACTIVE(first(s(z0), cons(z1, z2))) → c1(FIRST(z0, z2))
ACTIVE(terms(z0)) → c1(SQR(z0))
ACTIVE(terms(z0)) → c1(S(z0))
ACTIVE(sqr(s(z0))) → c1(SQR(z0))
ACTIVE(sqr(s(z0))) → c1(DBL(z0))
ACTIVE(terms(terms(z0))) → c9(TERMS(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(terms(sqr(0))) → c9(TERMS(mark(0)), ACTIVE(sqr(0)))
ACTIVE(terms(sqr(s(z0)))) → c9(TERMS(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(terms(dbl(0))) → c9(TERMS(mark(0)), ACTIVE(dbl(0)))
ACTIVE(terms(dbl(s(z0)))) → c9(TERMS(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(terms(add(0, z0))) → c9(TERMS(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(terms(add(s(z0), z1))) → c9(TERMS(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(terms(first(0, z0))) → c9(TERMS(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(terms(first(s(z0), cons(z1, z2)))) → c9(TERMS(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(terms(terms(z0))) → c9(TERMS(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(terms(cons(z0, z1))) → c9(TERMS(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(terms(recip(z0))) → c9(TERMS(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(terms(sqr(z0))) → c9(TERMS(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(terms(s(z0))) → c9(TERMS(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(terms(add(z0, z1))) → c9(TERMS(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(terms(add(z0, z1))) → c9(TERMS(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(terms(dbl(z0))) → c9(TERMS(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(terms(first(z0, z1))) → c9(TERMS(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(terms(first(z0, z1))) → c9(TERMS(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(cons(terms(z0), x1)) → c10(CONS(mark(cons(recip(sqr(z0)), terms(s(z0)))), x1), ACTIVE(terms(z0)))
ACTIVE(cons(sqr(0), x1)) → c10(CONS(mark(0), x1), ACTIVE(sqr(0)))
ACTIVE(cons(sqr(s(z0)), x1)) → c10(CONS(mark(s(add(sqr(z0), dbl(z0)))), x1), ACTIVE(sqr(s(z0))))
ACTIVE(cons(dbl(0), x1)) → c10(CONS(mark(0), x1), ACTIVE(dbl(0)))
ACTIVE(cons(dbl(s(z0)), x1)) → c10(CONS(mark(s(s(dbl(z0)))), x1), ACTIVE(dbl(s(z0))))
ACTIVE(cons(add(0, z0), x1)) → c10(CONS(mark(z0), x1), ACTIVE(add(0, z0)))
ACTIVE(cons(add(s(z0), z1), x1)) → c10(CONS(mark(s(add(z0, z1))), x1), ACTIVE(add(s(z0), z1)))
ACTIVE(cons(first(0, z0), x1)) → c10(CONS(mark(nil), x1), ACTIVE(first(0, z0)))
ACTIVE(cons(first(s(z0), cons(z1, z2)), x1)) → c10(CONS(mark(cons(z1, first(z0, z2))), x1), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(cons(terms(z0), x1)) → c10(CONS(terms(active(z0)), x1), ACTIVE(terms(z0)))
ACTIVE(cons(cons(z0, z1), x1)) → c10(CONS(cons(active(z0), z1), x1), ACTIVE(cons(z0, z1)))
ACTIVE(cons(recip(z0), x1)) → c10(CONS(recip(active(z0)), x1), ACTIVE(recip(z0)))
ACTIVE(cons(sqr(z0), x1)) → c10(CONS(sqr(active(z0)), x1), ACTIVE(sqr(z0)))
ACTIVE(cons(s(z0), x1)) → c10(CONS(s(active(z0)), x1), ACTIVE(s(z0)))
ACTIVE(cons(add(z0, z1), x1)) → c10(CONS(add(active(z0), z1), x1), ACTIVE(add(z0, z1)))
ACTIVE(cons(add(z0, z1), x1)) → c10(CONS(add(z0, active(z1)), x1), ACTIVE(add(z0, z1)))
ACTIVE(cons(dbl(z0), x1)) → c10(CONS(dbl(active(z0)), x1), ACTIVE(dbl(z0)))
ACTIVE(cons(first(z0, z1), x1)) → c10(CONS(first(active(z0), z1), x1), ACTIVE(first(z0, z1)))
ACTIVE(cons(first(z0, z1), x1)) → c10(CONS(first(z0, active(z1)), x1), ACTIVE(first(z0, z1)))
S tuples:

ACTIVE(recip(z0)) → c11(RECIP(active(z0)), ACTIVE(z0))
ACTIVE(sqr(z0)) → c12(SQR(active(z0)), ACTIVE(z0))
ACTIVE(s(z0)) → c13(S(active(z0)), ACTIVE(z0))
ACTIVE(add(z0, z1)) → c14(ADD(active(z0), z1), ACTIVE(z0))
ACTIVE(add(z0, z1)) → c15(ADD(z0, active(z1)), ACTIVE(z1))
ACTIVE(dbl(z0)) → c16(DBL(active(z0)), ACTIVE(z0))
ACTIVE(first(z0, z1)) → c17(FIRST(active(z0), z1), ACTIVE(z0))
ACTIVE(first(z0, z1)) → c18(FIRST(z0, active(z1)), ACTIVE(z1))
TERMS(mark(z0)) → c19(TERMS(z0))
TERMS(ok(z0)) → c20(TERMS(z0))
CONS(mark(z0), z1) → c21(CONS(z0, z1))
CONS(ok(z0), ok(z1)) → c22(CONS(z0, z1))
RECIP(mark(z0)) → c23(RECIP(z0))
RECIP(ok(z0)) → c24(RECIP(z0))
SQR(mark(z0)) → c25(SQR(z0))
SQR(ok(z0)) → c26(SQR(z0))
S(mark(z0)) → c27(S(z0))
S(ok(z0)) → c28(S(z0))
ADD(mark(z0), z1) → c29(ADD(z0, z1))
ADD(z0, mark(z1)) → c30(ADD(z0, z1))
ADD(ok(z0), ok(z1)) → c31(ADD(z0, z1))
DBL(mark(z0)) → c32(DBL(z0))
DBL(ok(z0)) → c33(DBL(z0))
FIRST(mark(z0), z1) → c34(FIRST(z0, z1))
FIRST(z0, mark(z1)) → c35(FIRST(z0, z1))
FIRST(ok(z0), ok(z1)) → c36(FIRST(z0, z1))
PROPER(terms(z0)) → c37(TERMS(proper(z0)), PROPER(z0))
PROPER(cons(z0, z1)) → c38(CONS(proper(z0), proper(z1)), PROPER(z0), PROPER(z1))
PROPER(recip(z0)) → c39(RECIP(proper(z0)), PROPER(z0))
PROPER(sqr(z0)) → c40(SQR(proper(z0)), PROPER(z0))
PROPER(s(z0)) → c41(S(proper(z0)), PROPER(z0))
PROPER(add(z0, z1)) → c43(ADD(proper(z0), proper(z1)), PROPER(z0), PROPER(z1))
PROPER(dbl(z0)) → c44(DBL(proper(z0)), PROPER(z0))
PROPER(first(z0, z1)) → c45(FIRST(proper(z0), proper(z1)), PROPER(z0), PROPER(z1))
TOP(mark(z0)) → c47(TOP(proper(z0)), PROPER(z0))
TOP(ok(z0)) → c48(TOP(active(z0)), ACTIVE(z0))
ACTIVE(dbl(s(z0))) → c4(DBL(z0))
ACTIVE(add(s(z0), z1)) → c6(ADD(z0, z1))
ACTIVE(first(s(z0), cons(z1, z2))) → c1(CONS(z1, first(z0, z2)))
ACTIVE(first(s(z0), cons(z1, z2))) → c1(FIRST(z0, z2))
ACTIVE(terms(z0)) → c1(SQR(z0))
ACTIVE(terms(z0)) → c1(S(z0))
ACTIVE(sqr(s(z0))) → c1(SQR(z0))
ACTIVE(sqr(s(z0))) → c1(DBL(z0))
ACTIVE(terms(terms(z0))) → c9(TERMS(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(terms(sqr(0))) → c9(TERMS(mark(0)), ACTIVE(sqr(0)))
ACTIVE(terms(sqr(s(z0)))) → c9(TERMS(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(terms(dbl(0))) → c9(TERMS(mark(0)), ACTIVE(dbl(0)))
ACTIVE(terms(dbl(s(z0)))) → c9(TERMS(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(terms(add(0, z0))) → c9(TERMS(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(terms(add(s(z0), z1))) → c9(TERMS(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(terms(first(0, z0))) → c9(TERMS(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(terms(first(s(z0), cons(z1, z2)))) → c9(TERMS(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(terms(terms(z0))) → c9(TERMS(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(terms(cons(z0, z1))) → c9(TERMS(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(terms(recip(z0))) → c9(TERMS(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(terms(sqr(z0))) → c9(TERMS(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(terms(s(z0))) → c9(TERMS(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(terms(add(z0, z1))) → c9(TERMS(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(terms(add(z0, z1))) → c9(TERMS(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(terms(dbl(z0))) → c9(TERMS(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(terms(first(z0, z1))) → c9(TERMS(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(terms(first(z0, z1))) → c9(TERMS(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(cons(terms(z0), x1)) → c10(CONS(mark(cons(recip(sqr(z0)), terms(s(z0)))), x1), ACTIVE(terms(z0)))
ACTIVE(cons(sqr(0), x1)) → c10(CONS(mark(0), x1), ACTIVE(sqr(0)))
ACTIVE(cons(sqr(s(z0)), x1)) → c10(CONS(mark(s(add(sqr(z0), dbl(z0)))), x1), ACTIVE(sqr(s(z0))))
ACTIVE(cons(dbl(0), x1)) → c10(CONS(mark(0), x1), ACTIVE(dbl(0)))
ACTIVE(cons(dbl(s(z0)), x1)) → c10(CONS(mark(s(s(dbl(z0)))), x1), ACTIVE(dbl(s(z0))))
ACTIVE(cons(add(0, z0), x1)) → c10(CONS(mark(z0), x1), ACTIVE(add(0, z0)))
ACTIVE(cons(add(s(z0), z1), x1)) → c10(CONS(mark(s(add(z0, z1))), x1), ACTIVE(add(s(z0), z1)))
ACTIVE(cons(first(0, z0), x1)) → c10(CONS(mark(nil), x1), ACTIVE(first(0, z0)))
ACTIVE(cons(first(s(z0), cons(z1, z2)), x1)) → c10(CONS(mark(cons(z1, first(z0, z2))), x1), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(cons(terms(z0), x1)) → c10(CONS(terms(active(z0)), x1), ACTIVE(terms(z0)))
ACTIVE(cons(cons(z0, z1), x1)) → c10(CONS(cons(active(z0), z1), x1), ACTIVE(cons(z0, z1)))
ACTIVE(cons(recip(z0), x1)) → c10(CONS(recip(active(z0)), x1), ACTIVE(recip(z0)))
ACTIVE(cons(sqr(z0), x1)) → c10(CONS(sqr(active(z0)), x1), ACTIVE(sqr(z0)))
ACTIVE(cons(s(z0), x1)) → c10(CONS(s(active(z0)), x1), ACTIVE(s(z0)))
ACTIVE(cons(add(z0, z1), x1)) → c10(CONS(add(active(z0), z1), x1), ACTIVE(add(z0, z1)))
ACTIVE(cons(add(z0, z1), x1)) → c10(CONS(add(z0, active(z1)), x1), ACTIVE(add(z0, z1)))
ACTIVE(cons(dbl(z0), x1)) → c10(CONS(dbl(active(z0)), x1), ACTIVE(dbl(z0)))
ACTIVE(cons(first(z0, z1), x1)) → c10(CONS(first(active(z0), z1), x1), ACTIVE(first(z0, z1)))
ACTIVE(cons(first(z0, z1), x1)) → c10(CONS(first(z0, active(z1)), x1), ACTIVE(first(z0, z1)))
K tuples:none
Defined Rule Symbols:

active, cons, first, terms, recip, sqr, s, add, dbl, proper

Defined Pair Symbols:

ACTIVE, TERMS, CONS, RECIP, SQR, S, ADD, DBL, FIRST, PROPER, TOP

Compound Symbols:

c11, c12, c13, c14, c15, c16, c17, c18, c19, c20, c21, c22, c23, c24, c25, c26, c27, c28, c29, c30, c31, c32, c33, c34, c35, c36, c37, c38, c39, c40, c41, c43, c44, c45, c47, c48, c4, c6, c1, c9, c10

(15) CdtNarrowingProof (BOTH BOUNDS(ID, ID) transformation)

Use narrowing to replace ACTIVE(recip(z0)) → c11(RECIP(active(z0)), ACTIVE(z0)) by

ACTIVE(recip(terms(z0))) → c11(RECIP(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(recip(sqr(0))) → c11(RECIP(mark(0)), ACTIVE(sqr(0)))
ACTIVE(recip(sqr(s(z0)))) → c11(RECIP(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(recip(dbl(0))) → c11(RECIP(mark(0)), ACTIVE(dbl(0)))
ACTIVE(recip(dbl(s(z0)))) → c11(RECIP(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(recip(add(0, z0))) → c11(RECIP(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(recip(add(s(z0), z1))) → c11(RECIP(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(recip(first(0, z0))) → c11(RECIP(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(recip(first(s(z0), cons(z1, z2)))) → c11(RECIP(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(recip(terms(z0))) → c11(RECIP(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(recip(cons(z0, z1))) → c11(RECIP(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(recip(recip(z0))) → c11(RECIP(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(recip(sqr(z0))) → c11(RECIP(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(recip(s(z0))) → c11(RECIP(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(recip(add(z0, z1))) → c11(RECIP(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(recip(add(z0, z1))) → c11(RECIP(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(recip(dbl(z0))) → c11(RECIP(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(recip(first(z0, z1))) → c11(RECIP(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(recip(first(z0, z1))) → c11(RECIP(first(z0, active(z1))), ACTIVE(first(z0, z1)))

(16) Obligation:

Complexity Dependency Tuples Problem
Rules:

active(terms(z0)) → mark(cons(recip(sqr(z0)), terms(s(z0))))
active(sqr(0)) → mark(0)
active(sqr(s(z0))) → mark(s(add(sqr(z0), dbl(z0))))
active(dbl(0)) → mark(0)
active(dbl(s(z0))) → mark(s(s(dbl(z0))))
active(add(0, z0)) → mark(z0)
active(add(s(z0), z1)) → mark(s(add(z0, z1)))
active(first(0, z0)) → mark(nil)
active(first(s(z0), cons(z1, z2))) → mark(cons(z1, first(z0, z2)))
active(terms(z0)) → terms(active(z0))
active(cons(z0, z1)) → cons(active(z0), z1)
active(recip(z0)) → recip(active(z0))
active(sqr(z0)) → sqr(active(z0))
active(s(z0)) → s(active(z0))
active(add(z0, z1)) → add(active(z0), z1)
active(add(z0, z1)) → add(z0, active(z1))
active(dbl(z0)) → dbl(active(z0))
active(first(z0, z1)) → first(active(z0), z1)
active(first(z0, z1)) → first(z0, active(z1))
cons(ok(z0), ok(z1)) → ok(cons(z0, z1))
cons(mark(z0), z1) → mark(cons(z0, z1))
first(z0, mark(z1)) → mark(first(z0, z1))
first(mark(z0), z1) → mark(first(z0, z1))
first(ok(z0), ok(z1)) → ok(first(z0, z1))
terms(mark(z0)) → mark(terms(z0))
terms(ok(z0)) → ok(terms(z0))
recip(mark(z0)) → mark(recip(z0))
recip(ok(z0)) → ok(recip(z0))
sqr(mark(z0)) → mark(sqr(z0))
sqr(ok(z0)) → ok(sqr(z0))
s(mark(z0)) → mark(s(z0))
s(ok(z0)) → ok(s(z0))
add(mark(z0), z1) → mark(add(z0, z1))
add(ok(z0), ok(z1)) → ok(add(z0, z1))
add(z0, mark(z1)) → mark(add(z0, z1))
dbl(mark(z0)) → mark(dbl(z0))
dbl(ok(z0)) → ok(dbl(z0))
proper(terms(z0)) → terms(proper(z0))
proper(cons(z0, z1)) → cons(proper(z0), proper(z1))
proper(recip(z0)) → recip(proper(z0))
proper(sqr(z0)) → sqr(proper(z0))
proper(s(z0)) → s(proper(z0))
proper(0) → ok(0)
proper(add(z0, z1)) → add(proper(z0), proper(z1))
proper(dbl(z0)) → dbl(proper(z0))
proper(first(z0, z1)) → first(proper(z0), proper(z1))
proper(nil) → ok(nil)
Tuples:

ACTIVE(sqr(z0)) → c12(SQR(active(z0)), ACTIVE(z0))
ACTIVE(s(z0)) → c13(S(active(z0)), ACTIVE(z0))
ACTIVE(add(z0, z1)) → c14(ADD(active(z0), z1), ACTIVE(z0))
ACTIVE(add(z0, z1)) → c15(ADD(z0, active(z1)), ACTIVE(z1))
ACTIVE(dbl(z0)) → c16(DBL(active(z0)), ACTIVE(z0))
ACTIVE(first(z0, z1)) → c17(FIRST(active(z0), z1), ACTIVE(z0))
ACTIVE(first(z0, z1)) → c18(FIRST(z0, active(z1)), ACTIVE(z1))
TERMS(mark(z0)) → c19(TERMS(z0))
TERMS(ok(z0)) → c20(TERMS(z0))
CONS(mark(z0), z1) → c21(CONS(z0, z1))
CONS(ok(z0), ok(z1)) → c22(CONS(z0, z1))
RECIP(mark(z0)) → c23(RECIP(z0))
RECIP(ok(z0)) → c24(RECIP(z0))
SQR(mark(z0)) → c25(SQR(z0))
SQR(ok(z0)) → c26(SQR(z0))
S(mark(z0)) → c27(S(z0))
S(ok(z0)) → c28(S(z0))
ADD(mark(z0), z1) → c29(ADD(z0, z1))
ADD(z0, mark(z1)) → c30(ADD(z0, z1))
ADD(ok(z0), ok(z1)) → c31(ADD(z0, z1))
DBL(mark(z0)) → c32(DBL(z0))
DBL(ok(z0)) → c33(DBL(z0))
FIRST(mark(z0), z1) → c34(FIRST(z0, z1))
FIRST(z0, mark(z1)) → c35(FIRST(z0, z1))
FIRST(ok(z0), ok(z1)) → c36(FIRST(z0, z1))
PROPER(terms(z0)) → c37(TERMS(proper(z0)), PROPER(z0))
PROPER(cons(z0, z1)) → c38(CONS(proper(z0), proper(z1)), PROPER(z0), PROPER(z1))
PROPER(recip(z0)) → c39(RECIP(proper(z0)), PROPER(z0))
PROPER(sqr(z0)) → c40(SQR(proper(z0)), PROPER(z0))
PROPER(s(z0)) → c41(S(proper(z0)), PROPER(z0))
PROPER(add(z0, z1)) → c43(ADD(proper(z0), proper(z1)), PROPER(z0), PROPER(z1))
PROPER(dbl(z0)) → c44(DBL(proper(z0)), PROPER(z0))
PROPER(first(z0, z1)) → c45(FIRST(proper(z0), proper(z1)), PROPER(z0), PROPER(z1))
TOP(mark(z0)) → c47(TOP(proper(z0)), PROPER(z0))
TOP(ok(z0)) → c48(TOP(active(z0)), ACTIVE(z0))
ACTIVE(dbl(s(z0))) → c4(DBL(z0))
ACTIVE(add(s(z0), z1)) → c6(ADD(z0, z1))
ACTIVE(first(s(z0), cons(z1, z2))) → c1(CONS(z1, first(z0, z2)))
ACTIVE(first(s(z0), cons(z1, z2))) → c1(FIRST(z0, z2))
ACTIVE(terms(z0)) → c1(SQR(z0))
ACTIVE(terms(z0)) → c1(S(z0))
ACTIVE(sqr(s(z0))) → c1(SQR(z0))
ACTIVE(sqr(s(z0))) → c1(DBL(z0))
ACTIVE(terms(terms(z0))) → c9(TERMS(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(terms(sqr(0))) → c9(TERMS(mark(0)), ACTIVE(sqr(0)))
ACTIVE(terms(sqr(s(z0)))) → c9(TERMS(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(terms(dbl(0))) → c9(TERMS(mark(0)), ACTIVE(dbl(0)))
ACTIVE(terms(dbl(s(z0)))) → c9(TERMS(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(terms(add(0, z0))) → c9(TERMS(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(terms(add(s(z0), z1))) → c9(TERMS(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(terms(first(0, z0))) → c9(TERMS(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(terms(first(s(z0), cons(z1, z2)))) → c9(TERMS(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(terms(terms(z0))) → c9(TERMS(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(terms(cons(z0, z1))) → c9(TERMS(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(terms(recip(z0))) → c9(TERMS(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(terms(sqr(z0))) → c9(TERMS(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(terms(s(z0))) → c9(TERMS(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(terms(add(z0, z1))) → c9(TERMS(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(terms(add(z0, z1))) → c9(TERMS(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(terms(dbl(z0))) → c9(TERMS(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(terms(first(z0, z1))) → c9(TERMS(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(terms(first(z0, z1))) → c9(TERMS(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(cons(terms(z0), x1)) → c10(CONS(mark(cons(recip(sqr(z0)), terms(s(z0)))), x1), ACTIVE(terms(z0)))
ACTIVE(cons(sqr(0), x1)) → c10(CONS(mark(0), x1), ACTIVE(sqr(0)))
ACTIVE(cons(sqr(s(z0)), x1)) → c10(CONS(mark(s(add(sqr(z0), dbl(z0)))), x1), ACTIVE(sqr(s(z0))))
ACTIVE(cons(dbl(0), x1)) → c10(CONS(mark(0), x1), ACTIVE(dbl(0)))
ACTIVE(cons(dbl(s(z0)), x1)) → c10(CONS(mark(s(s(dbl(z0)))), x1), ACTIVE(dbl(s(z0))))
ACTIVE(cons(add(0, z0), x1)) → c10(CONS(mark(z0), x1), ACTIVE(add(0, z0)))
ACTIVE(cons(add(s(z0), z1), x1)) → c10(CONS(mark(s(add(z0, z1))), x1), ACTIVE(add(s(z0), z1)))
ACTIVE(cons(first(0, z0), x1)) → c10(CONS(mark(nil), x1), ACTIVE(first(0, z0)))
ACTIVE(cons(first(s(z0), cons(z1, z2)), x1)) → c10(CONS(mark(cons(z1, first(z0, z2))), x1), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(cons(terms(z0), x1)) → c10(CONS(terms(active(z0)), x1), ACTIVE(terms(z0)))
ACTIVE(cons(cons(z0, z1), x1)) → c10(CONS(cons(active(z0), z1), x1), ACTIVE(cons(z0, z1)))
ACTIVE(cons(recip(z0), x1)) → c10(CONS(recip(active(z0)), x1), ACTIVE(recip(z0)))
ACTIVE(cons(sqr(z0), x1)) → c10(CONS(sqr(active(z0)), x1), ACTIVE(sqr(z0)))
ACTIVE(cons(s(z0), x1)) → c10(CONS(s(active(z0)), x1), ACTIVE(s(z0)))
ACTIVE(cons(add(z0, z1), x1)) → c10(CONS(add(active(z0), z1), x1), ACTIVE(add(z0, z1)))
ACTIVE(cons(add(z0, z1), x1)) → c10(CONS(add(z0, active(z1)), x1), ACTIVE(add(z0, z1)))
ACTIVE(cons(dbl(z0), x1)) → c10(CONS(dbl(active(z0)), x1), ACTIVE(dbl(z0)))
ACTIVE(cons(first(z0, z1), x1)) → c10(CONS(first(active(z0), z1), x1), ACTIVE(first(z0, z1)))
ACTIVE(cons(first(z0, z1), x1)) → c10(CONS(first(z0, active(z1)), x1), ACTIVE(first(z0, z1)))
ACTIVE(recip(terms(z0))) → c11(RECIP(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(recip(sqr(0))) → c11(RECIP(mark(0)), ACTIVE(sqr(0)))
ACTIVE(recip(sqr(s(z0)))) → c11(RECIP(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(recip(dbl(0))) → c11(RECIP(mark(0)), ACTIVE(dbl(0)))
ACTIVE(recip(dbl(s(z0)))) → c11(RECIP(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(recip(add(0, z0))) → c11(RECIP(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(recip(add(s(z0), z1))) → c11(RECIP(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(recip(first(0, z0))) → c11(RECIP(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(recip(first(s(z0), cons(z1, z2)))) → c11(RECIP(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(recip(terms(z0))) → c11(RECIP(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(recip(cons(z0, z1))) → c11(RECIP(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(recip(recip(z0))) → c11(RECIP(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(recip(sqr(z0))) → c11(RECIP(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(recip(s(z0))) → c11(RECIP(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(recip(add(z0, z1))) → c11(RECIP(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(recip(add(z0, z1))) → c11(RECIP(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(recip(dbl(z0))) → c11(RECIP(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(recip(first(z0, z1))) → c11(RECIP(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(recip(first(z0, z1))) → c11(RECIP(first(z0, active(z1))), ACTIVE(first(z0, z1)))
S tuples:

ACTIVE(sqr(z0)) → c12(SQR(active(z0)), ACTIVE(z0))
ACTIVE(s(z0)) → c13(S(active(z0)), ACTIVE(z0))
ACTIVE(add(z0, z1)) → c14(ADD(active(z0), z1), ACTIVE(z0))
ACTIVE(add(z0, z1)) → c15(ADD(z0, active(z1)), ACTIVE(z1))
ACTIVE(dbl(z0)) → c16(DBL(active(z0)), ACTIVE(z0))
ACTIVE(first(z0, z1)) → c17(FIRST(active(z0), z1), ACTIVE(z0))
ACTIVE(first(z0, z1)) → c18(FIRST(z0, active(z1)), ACTIVE(z1))
TERMS(mark(z0)) → c19(TERMS(z0))
TERMS(ok(z0)) → c20(TERMS(z0))
CONS(mark(z0), z1) → c21(CONS(z0, z1))
CONS(ok(z0), ok(z1)) → c22(CONS(z0, z1))
RECIP(mark(z0)) → c23(RECIP(z0))
RECIP(ok(z0)) → c24(RECIP(z0))
SQR(mark(z0)) → c25(SQR(z0))
SQR(ok(z0)) → c26(SQR(z0))
S(mark(z0)) → c27(S(z0))
S(ok(z0)) → c28(S(z0))
ADD(mark(z0), z1) → c29(ADD(z0, z1))
ADD(z0, mark(z1)) → c30(ADD(z0, z1))
ADD(ok(z0), ok(z1)) → c31(ADD(z0, z1))
DBL(mark(z0)) → c32(DBL(z0))
DBL(ok(z0)) → c33(DBL(z0))
FIRST(mark(z0), z1) → c34(FIRST(z0, z1))
FIRST(z0, mark(z1)) → c35(FIRST(z0, z1))
FIRST(ok(z0), ok(z1)) → c36(FIRST(z0, z1))
PROPER(terms(z0)) → c37(TERMS(proper(z0)), PROPER(z0))
PROPER(cons(z0, z1)) → c38(CONS(proper(z0), proper(z1)), PROPER(z0), PROPER(z1))
PROPER(recip(z0)) → c39(RECIP(proper(z0)), PROPER(z0))
PROPER(sqr(z0)) → c40(SQR(proper(z0)), PROPER(z0))
PROPER(s(z0)) → c41(S(proper(z0)), PROPER(z0))
PROPER(add(z0, z1)) → c43(ADD(proper(z0), proper(z1)), PROPER(z0), PROPER(z1))
PROPER(dbl(z0)) → c44(DBL(proper(z0)), PROPER(z0))
PROPER(first(z0, z1)) → c45(FIRST(proper(z0), proper(z1)), PROPER(z0), PROPER(z1))
TOP(mark(z0)) → c47(TOP(proper(z0)), PROPER(z0))
TOP(ok(z0)) → c48(TOP(active(z0)), ACTIVE(z0))
ACTIVE(dbl(s(z0))) → c4(DBL(z0))
ACTIVE(add(s(z0), z1)) → c6(ADD(z0, z1))
ACTIVE(first(s(z0), cons(z1, z2))) → c1(CONS(z1, first(z0, z2)))
ACTIVE(first(s(z0), cons(z1, z2))) → c1(FIRST(z0, z2))
ACTIVE(terms(z0)) → c1(SQR(z0))
ACTIVE(terms(z0)) → c1(S(z0))
ACTIVE(sqr(s(z0))) → c1(SQR(z0))
ACTIVE(sqr(s(z0))) → c1(DBL(z0))
ACTIVE(terms(terms(z0))) → c9(TERMS(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(terms(sqr(0))) → c9(TERMS(mark(0)), ACTIVE(sqr(0)))
ACTIVE(terms(sqr(s(z0)))) → c9(TERMS(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(terms(dbl(0))) → c9(TERMS(mark(0)), ACTIVE(dbl(0)))
ACTIVE(terms(dbl(s(z0)))) → c9(TERMS(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(terms(add(0, z0))) → c9(TERMS(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(terms(add(s(z0), z1))) → c9(TERMS(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(terms(first(0, z0))) → c9(TERMS(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(terms(first(s(z0), cons(z1, z2)))) → c9(TERMS(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(terms(terms(z0))) → c9(TERMS(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(terms(cons(z0, z1))) → c9(TERMS(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(terms(recip(z0))) → c9(TERMS(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(terms(sqr(z0))) → c9(TERMS(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(terms(s(z0))) → c9(TERMS(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(terms(add(z0, z1))) → c9(TERMS(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(terms(add(z0, z1))) → c9(TERMS(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(terms(dbl(z0))) → c9(TERMS(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(terms(first(z0, z1))) → c9(TERMS(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(terms(first(z0, z1))) → c9(TERMS(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(cons(terms(z0), x1)) → c10(CONS(mark(cons(recip(sqr(z0)), terms(s(z0)))), x1), ACTIVE(terms(z0)))
ACTIVE(cons(sqr(0), x1)) → c10(CONS(mark(0), x1), ACTIVE(sqr(0)))
ACTIVE(cons(sqr(s(z0)), x1)) → c10(CONS(mark(s(add(sqr(z0), dbl(z0)))), x1), ACTIVE(sqr(s(z0))))
ACTIVE(cons(dbl(0), x1)) → c10(CONS(mark(0), x1), ACTIVE(dbl(0)))
ACTIVE(cons(dbl(s(z0)), x1)) → c10(CONS(mark(s(s(dbl(z0)))), x1), ACTIVE(dbl(s(z0))))
ACTIVE(cons(add(0, z0), x1)) → c10(CONS(mark(z0), x1), ACTIVE(add(0, z0)))
ACTIVE(cons(add(s(z0), z1), x1)) → c10(CONS(mark(s(add(z0, z1))), x1), ACTIVE(add(s(z0), z1)))
ACTIVE(cons(first(0, z0), x1)) → c10(CONS(mark(nil), x1), ACTIVE(first(0, z0)))
ACTIVE(cons(first(s(z0), cons(z1, z2)), x1)) → c10(CONS(mark(cons(z1, first(z0, z2))), x1), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(cons(terms(z0), x1)) → c10(CONS(terms(active(z0)), x1), ACTIVE(terms(z0)))
ACTIVE(cons(cons(z0, z1), x1)) → c10(CONS(cons(active(z0), z1), x1), ACTIVE(cons(z0, z1)))
ACTIVE(cons(recip(z0), x1)) → c10(CONS(recip(active(z0)), x1), ACTIVE(recip(z0)))
ACTIVE(cons(sqr(z0), x1)) → c10(CONS(sqr(active(z0)), x1), ACTIVE(sqr(z0)))
ACTIVE(cons(s(z0), x1)) → c10(CONS(s(active(z0)), x1), ACTIVE(s(z0)))
ACTIVE(cons(add(z0, z1), x1)) → c10(CONS(add(active(z0), z1), x1), ACTIVE(add(z0, z1)))
ACTIVE(cons(add(z0, z1), x1)) → c10(CONS(add(z0, active(z1)), x1), ACTIVE(add(z0, z1)))
ACTIVE(cons(dbl(z0), x1)) → c10(CONS(dbl(active(z0)), x1), ACTIVE(dbl(z0)))
ACTIVE(cons(first(z0, z1), x1)) → c10(CONS(first(active(z0), z1), x1), ACTIVE(first(z0, z1)))
ACTIVE(cons(first(z0, z1), x1)) → c10(CONS(first(z0, active(z1)), x1), ACTIVE(first(z0, z1)))
ACTIVE(recip(terms(z0))) → c11(RECIP(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(recip(sqr(0))) → c11(RECIP(mark(0)), ACTIVE(sqr(0)))
ACTIVE(recip(sqr(s(z0)))) → c11(RECIP(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(recip(dbl(0))) → c11(RECIP(mark(0)), ACTIVE(dbl(0)))
ACTIVE(recip(dbl(s(z0)))) → c11(RECIP(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(recip(add(0, z0))) → c11(RECIP(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(recip(add(s(z0), z1))) → c11(RECIP(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(recip(first(0, z0))) → c11(RECIP(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(recip(first(s(z0), cons(z1, z2)))) → c11(RECIP(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(recip(terms(z0))) → c11(RECIP(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(recip(cons(z0, z1))) → c11(RECIP(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(recip(recip(z0))) → c11(RECIP(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(recip(sqr(z0))) → c11(RECIP(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(recip(s(z0))) → c11(RECIP(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(recip(add(z0, z1))) → c11(RECIP(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(recip(add(z0, z1))) → c11(RECIP(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(recip(dbl(z0))) → c11(RECIP(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(recip(first(z0, z1))) → c11(RECIP(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(recip(first(z0, z1))) → c11(RECIP(first(z0, active(z1))), ACTIVE(first(z0, z1)))
K tuples:none
Defined Rule Symbols:

active, cons, first, terms, recip, sqr, s, add, dbl, proper

Defined Pair Symbols:

ACTIVE, TERMS, CONS, RECIP, SQR, S, ADD, DBL, FIRST, PROPER, TOP

Compound Symbols:

c12, c13, c14, c15, c16, c17, c18, c19, c20, c21, c22, c23, c24, c25, c26, c27, c28, c29, c30, c31, c32, c33, c34, c35, c36, c37, c38, c39, c40, c41, c43, c44, c45, c47, c48, c4, c6, c1, c9, c10, c11

(17) CdtNarrowingProof (BOTH BOUNDS(ID, ID) transformation)

Use narrowing to replace ACTIVE(sqr(z0)) → c12(SQR(active(z0)), ACTIVE(z0)) by

ACTIVE(sqr(terms(z0))) → c12(SQR(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(sqr(sqr(0))) → c12(SQR(mark(0)), ACTIVE(sqr(0)))
ACTIVE(sqr(sqr(s(z0)))) → c12(SQR(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(sqr(dbl(0))) → c12(SQR(mark(0)), ACTIVE(dbl(0)))
ACTIVE(sqr(dbl(s(z0)))) → c12(SQR(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(sqr(add(0, z0))) → c12(SQR(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(sqr(add(s(z0), z1))) → c12(SQR(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(sqr(first(0, z0))) → c12(SQR(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(sqr(first(s(z0), cons(z1, z2)))) → c12(SQR(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(sqr(terms(z0))) → c12(SQR(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(sqr(cons(z0, z1))) → c12(SQR(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(sqr(recip(z0))) → c12(SQR(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(sqr(sqr(z0))) → c12(SQR(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(sqr(s(z0))) → c12(SQR(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(sqr(add(z0, z1))) → c12(SQR(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(sqr(add(z0, z1))) → c12(SQR(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(sqr(dbl(z0))) → c12(SQR(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(sqr(first(z0, z1))) → c12(SQR(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(sqr(first(z0, z1))) → c12(SQR(first(z0, active(z1))), ACTIVE(first(z0, z1)))

(18) Obligation:

Complexity Dependency Tuples Problem
Rules:

active(terms(z0)) → mark(cons(recip(sqr(z0)), terms(s(z0))))
active(sqr(0)) → mark(0)
active(sqr(s(z0))) → mark(s(add(sqr(z0), dbl(z0))))
active(dbl(0)) → mark(0)
active(dbl(s(z0))) → mark(s(s(dbl(z0))))
active(add(0, z0)) → mark(z0)
active(add(s(z0), z1)) → mark(s(add(z0, z1)))
active(first(0, z0)) → mark(nil)
active(first(s(z0), cons(z1, z2))) → mark(cons(z1, first(z0, z2)))
active(terms(z0)) → terms(active(z0))
active(cons(z0, z1)) → cons(active(z0), z1)
active(recip(z0)) → recip(active(z0))
active(sqr(z0)) → sqr(active(z0))
active(s(z0)) → s(active(z0))
active(add(z0, z1)) → add(active(z0), z1)
active(add(z0, z1)) → add(z0, active(z1))
active(dbl(z0)) → dbl(active(z0))
active(first(z0, z1)) → first(active(z0), z1)
active(first(z0, z1)) → first(z0, active(z1))
cons(ok(z0), ok(z1)) → ok(cons(z0, z1))
cons(mark(z0), z1) → mark(cons(z0, z1))
first(z0, mark(z1)) → mark(first(z0, z1))
first(mark(z0), z1) → mark(first(z0, z1))
first(ok(z0), ok(z1)) → ok(first(z0, z1))
terms(mark(z0)) → mark(terms(z0))
terms(ok(z0)) → ok(terms(z0))
recip(mark(z0)) → mark(recip(z0))
recip(ok(z0)) → ok(recip(z0))
sqr(mark(z0)) → mark(sqr(z0))
sqr(ok(z0)) → ok(sqr(z0))
s(mark(z0)) → mark(s(z0))
s(ok(z0)) → ok(s(z0))
add(mark(z0), z1) → mark(add(z0, z1))
add(ok(z0), ok(z1)) → ok(add(z0, z1))
add(z0, mark(z1)) → mark(add(z0, z1))
dbl(mark(z0)) → mark(dbl(z0))
dbl(ok(z0)) → ok(dbl(z0))
proper(terms(z0)) → terms(proper(z0))
proper(cons(z0, z1)) → cons(proper(z0), proper(z1))
proper(recip(z0)) → recip(proper(z0))
proper(sqr(z0)) → sqr(proper(z0))
proper(s(z0)) → s(proper(z0))
proper(0) → ok(0)
proper(add(z0, z1)) → add(proper(z0), proper(z1))
proper(dbl(z0)) → dbl(proper(z0))
proper(first(z0, z1)) → first(proper(z0), proper(z1))
proper(nil) → ok(nil)
Tuples:

ACTIVE(s(z0)) → c13(S(active(z0)), ACTIVE(z0))
ACTIVE(add(z0, z1)) → c14(ADD(active(z0), z1), ACTIVE(z0))
ACTIVE(add(z0, z1)) → c15(ADD(z0, active(z1)), ACTIVE(z1))
ACTIVE(dbl(z0)) → c16(DBL(active(z0)), ACTIVE(z0))
ACTIVE(first(z0, z1)) → c17(FIRST(active(z0), z1), ACTIVE(z0))
ACTIVE(first(z0, z1)) → c18(FIRST(z0, active(z1)), ACTIVE(z1))
TERMS(mark(z0)) → c19(TERMS(z0))
TERMS(ok(z0)) → c20(TERMS(z0))
CONS(mark(z0), z1) → c21(CONS(z0, z1))
CONS(ok(z0), ok(z1)) → c22(CONS(z0, z1))
RECIP(mark(z0)) → c23(RECIP(z0))
RECIP(ok(z0)) → c24(RECIP(z0))
SQR(mark(z0)) → c25(SQR(z0))
SQR(ok(z0)) → c26(SQR(z0))
S(mark(z0)) → c27(S(z0))
S(ok(z0)) → c28(S(z0))
ADD(mark(z0), z1) → c29(ADD(z0, z1))
ADD(z0, mark(z1)) → c30(ADD(z0, z1))
ADD(ok(z0), ok(z1)) → c31(ADD(z0, z1))
DBL(mark(z0)) → c32(DBL(z0))
DBL(ok(z0)) → c33(DBL(z0))
FIRST(mark(z0), z1) → c34(FIRST(z0, z1))
FIRST(z0, mark(z1)) → c35(FIRST(z0, z1))
FIRST(ok(z0), ok(z1)) → c36(FIRST(z0, z1))
PROPER(terms(z0)) → c37(TERMS(proper(z0)), PROPER(z0))
PROPER(cons(z0, z1)) → c38(CONS(proper(z0), proper(z1)), PROPER(z0), PROPER(z1))
PROPER(recip(z0)) → c39(RECIP(proper(z0)), PROPER(z0))
PROPER(sqr(z0)) → c40(SQR(proper(z0)), PROPER(z0))
PROPER(s(z0)) → c41(S(proper(z0)), PROPER(z0))
PROPER(add(z0, z1)) → c43(ADD(proper(z0), proper(z1)), PROPER(z0), PROPER(z1))
PROPER(dbl(z0)) → c44(DBL(proper(z0)), PROPER(z0))
PROPER(first(z0, z1)) → c45(FIRST(proper(z0), proper(z1)), PROPER(z0), PROPER(z1))
TOP(mark(z0)) → c47(TOP(proper(z0)), PROPER(z0))
TOP(ok(z0)) → c48(TOP(active(z0)), ACTIVE(z0))
ACTIVE(dbl(s(z0))) → c4(DBL(z0))
ACTIVE(add(s(z0), z1)) → c6(ADD(z0, z1))
ACTIVE(first(s(z0), cons(z1, z2))) → c1(CONS(z1, first(z0, z2)))
ACTIVE(first(s(z0), cons(z1, z2))) → c1(FIRST(z0, z2))
ACTIVE(terms(z0)) → c1(SQR(z0))
ACTIVE(terms(z0)) → c1(S(z0))
ACTIVE(sqr(s(z0))) → c1(SQR(z0))
ACTIVE(sqr(s(z0))) → c1(DBL(z0))
ACTIVE(terms(terms(z0))) → c9(TERMS(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(terms(sqr(0))) → c9(TERMS(mark(0)), ACTIVE(sqr(0)))
ACTIVE(terms(sqr(s(z0)))) → c9(TERMS(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(terms(dbl(0))) → c9(TERMS(mark(0)), ACTIVE(dbl(0)))
ACTIVE(terms(dbl(s(z0)))) → c9(TERMS(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(terms(add(0, z0))) → c9(TERMS(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(terms(add(s(z0), z1))) → c9(TERMS(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(terms(first(0, z0))) → c9(TERMS(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(terms(first(s(z0), cons(z1, z2)))) → c9(TERMS(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(terms(terms(z0))) → c9(TERMS(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(terms(cons(z0, z1))) → c9(TERMS(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(terms(recip(z0))) → c9(TERMS(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(terms(sqr(z0))) → c9(TERMS(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(terms(s(z0))) → c9(TERMS(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(terms(add(z0, z1))) → c9(TERMS(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(terms(add(z0, z1))) → c9(TERMS(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(terms(dbl(z0))) → c9(TERMS(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(terms(first(z0, z1))) → c9(TERMS(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(terms(first(z0, z1))) → c9(TERMS(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(cons(terms(z0), x1)) → c10(CONS(mark(cons(recip(sqr(z0)), terms(s(z0)))), x1), ACTIVE(terms(z0)))
ACTIVE(cons(sqr(0), x1)) → c10(CONS(mark(0), x1), ACTIVE(sqr(0)))
ACTIVE(cons(sqr(s(z0)), x1)) → c10(CONS(mark(s(add(sqr(z0), dbl(z0)))), x1), ACTIVE(sqr(s(z0))))
ACTIVE(cons(dbl(0), x1)) → c10(CONS(mark(0), x1), ACTIVE(dbl(0)))
ACTIVE(cons(dbl(s(z0)), x1)) → c10(CONS(mark(s(s(dbl(z0)))), x1), ACTIVE(dbl(s(z0))))
ACTIVE(cons(add(0, z0), x1)) → c10(CONS(mark(z0), x1), ACTIVE(add(0, z0)))
ACTIVE(cons(add(s(z0), z1), x1)) → c10(CONS(mark(s(add(z0, z1))), x1), ACTIVE(add(s(z0), z1)))
ACTIVE(cons(first(0, z0), x1)) → c10(CONS(mark(nil), x1), ACTIVE(first(0, z0)))
ACTIVE(cons(first(s(z0), cons(z1, z2)), x1)) → c10(CONS(mark(cons(z1, first(z0, z2))), x1), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(cons(terms(z0), x1)) → c10(CONS(terms(active(z0)), x1), ACTIVE(terms(z0)))
ACTIVE(cons(cons(z0, z1), x1)) → c10(CONS(cons(active(z0), z1), x1), ACTIVE(cons(z0, z1)))
ACTIVE(cons(recip(z0), x1)) → c10(CONS(recip(active(z0)), x1), ACTIVE(recip(z0)))
ACTIVE(cons(sqr(z0), x1)) → c10(CONS(sqr(active(z0)), x1), ACTIVE(sqr(z0)))
ACTIVE(cons(s(z0), x1)) → c10(CONS(s(active(z0)), x1), ACTIVE(s(z0)))
ACTIVE(cons(add(z0, z1), x1)) → c10(CONS(add(active(z0), z1), x1), ACTIVE(add(z0, z1)))
ACTIVE(cons(add(z0, z1), x1)) → c10(CONS(add(z0, active(z1)), x1), ACTIVE(add(z0, z1)))
ACTIVE(cons(dbl(z0), x1)) → c10(CONS(dbl(active(z0)), x1), ACTIVE(dbl(z0)))
ACTIVE(cons(first(z0, z1), x1)) → c10(CONS(first(active(z0), z1), x1), ACTIVE(first(z0, z1)))
ACTIVE(cons(first(z0, z1), x1)) → c10(CONS(first(z0, active(z1)), x1), ACTIVE(first(z0, z1)))
ACTIVE(recip(terms(z0))) → c11(RECIP(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(recip(sqr(0))) → c11(RECIP(mark(0)), ACTIVE(sqr(0)))
ACTIVE(recip(sqr(s(z0)))) → c11(RECIP(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(recip(dbl(0))) → c11(RECIP(mark(0)), ACTIVE(dbl(0)))
ACTIVE(recip(dbl(s(z0)))) → c11(RECIP(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(recip(add(0, z0))) → c11(RECIP(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(recip(add(s(z0), z1))) → c11(RECIP(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(recip(first(0, z0))) → c11(RECIP(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(recip(first(s(z0), cons(z1, z2)))) → c11(RECIP(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(recip(terms(z0))) → c11(RECIP(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(recip(cons(z0, z1))) → c11(RECIP(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(recip(recip(z0))) → c11(RECIP(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(recip(sqr(z0))) → c11(RECIP(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(recip(s(z0))) → c11(RECIP(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(recip(add(z0, z1))) → c11(RECIP(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(recip(add(z0, z1))) → c11(RECIP(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(recip(dbl(z0))) → c11(RECIP(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(recip(first(z0, z1))) → c11(RECIP(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(recip(first(z0, z1))) → c11(RECIP(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(sqr(terms(z0))) → c12(SQR(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(sqr(sqr(0))) → c12(SQR(mark(0)), ACTIVE(sqr(0)))
ACTIVE(sqr(sqr(s(z0)))) → c12(SQR(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(sqr(dbl(0))) → c12(SQR(mark(0)), ACTIVE(dbl(0)))
ACTIVE(sqr(dbl(s(z0)))) → c12(SQR(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(sqr(add(0, z0))) → c12(SQR(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(sqr(add(s(z0), z1))) → c12(SQR(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(sqr(first(0, z0))) → c12(SQR(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(sqr(first(s(z0), cons(z1, z2)))) → c12(SQR(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(sqr(terms(z0))) → c12(SQR(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(sqr(cons(z0, z1))) → c12(SQR(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(sqr(recip(z0))) → c12(SQR(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(sqr(sqr(z0))) → c12(SQR(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(sqr(s(z0))) → c12(SQR(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(sqr(add(z0, z1))) → c12(SQR(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(sqr(add(z0, z1))) → c12(SQR(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(sqr(dbl(z0))) → c12(SQR(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(sqr(first(z0, z1))) → c12(SQR(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(sqr(first(z0, z1))) → c12(SQR(first(z0, active(z1))), ACTIVE(first(z0, z1)))
S tuples:

ACTIVE(s(z0)) → c13(S(active(z0)), ACTIVE(z0))
ACTIVE(add(z0, z1)) → c14(ADD(active(z0), z1), ACTIVE(z0))
ACTIVE(add(z0, z1)) → c15(ADD(z0, active(z1)), ACTIVE(z1))
ACTIVE(dbl(z0)) → c16(DBL(active(z0)), ACTIVE(z0))
ACTIVE(first(z0, z1)) → c17(FIRST(active(z0), z1), ACTIVE(z0))
ACTIVE(first(z0, z1)) → c18(FIRST(z0, active(z1)), ACTIVE(z1))
TERMS(mark(z0)) → c19(TERMS(z0))
TERMS(ok(z0)) → c20(TERMS(z0))
CONS(mark(z0), z1) → c21(CONS(z0, z1))
CONS(ok(z0), ok(z1)) → c22(CONS(z0, z1))
RECIP(mark(z0)) → c23(RECIP(z0))
RECIP(ok(z0)) → c24(RECIP(z0))
SQR(mark(z0)) → c25(SQR(z0))
SQR(ok(z0)) → c26(SQR(z0))
S(mark(z0)) → c27(S(z0))
S(ok(z0)) → c28(S(z0))
ADD(mark(z0), z1) → c29(ADD(z0, z1))
ADD(z0, mark(z1)) → c30(ADD(z0, z1))
ADD(ok(z0), ok(z1)) → c31(ADD(z0, z1))
DBL(mark(z0)) → c32(DBL(z0))
DBL(ok(z0)) → c33(DBL(z0))
FIRST(mark(z0), z1) → c34(FIRST(z0, z1))
FIRST(z0, mark(z1)) → c35(FIRST(z0, z1))
FIRST(ok(z0), ok(z1)) → c36(FIRST(z0, z1))
PROPER(terms(z0)) → c37(TERMS(proper(z0)), PROPER(z0))
PROPER(cons(z0, z1)) → c38(CONS(proper(z0), proper(z1)), PROPER(z0), PROPER(z1))
PROPER(recip(z0)) → c39(RECIP(proper(z0)), PROPER(z0))
PROPER(sqr(z0)) → c40(SQR(proper(z0)), PROPER(z0))
PROPER(s(z0)) → c41(S(proper(z0)), PROPER(z0))
PROPER(add(z0, z1)) → c43(ADD(proper(z0), proper(z1)), PROPER(z0), PROPER(z1))
PROPER(dbl(z0)) → c44(DBL(proper(z0)), PROPER(z0))
PROPER(first(z0, z1)) → c45(FIRST(proper(z0), proper(z1)), PROPER(z0), PROPER(z1))
TOP(mark(z0)) → c47(TOP(proper(z0)), PROPER(z0))
TOP(ok(z0)) → c48(TOP(active(z0)), ACTIVE(z0))
ACTIVE(dbl(s(z0))) → c4(DBL(z0))
ACTIVE(add(s(z0), z1)) → c6(ADD(z0, z1))
ACTIVE(first(s(z0), cons(z1, z2))) → c1(CONS(z1, first(z0, z2)))
ACTIVE(first(s(z0), cons(z1, z2))) → c1(FIRST(z0, z2))
ACTIVE(terms(z0)) → c1(SQR(z0))
ACTIVE(terms(z0)) → c1(S(z0))
ACTIVE(sqr(s(z0))) → c1(SQR(z0))
ACTIVE(sqr(s(z0))) → c1(DBL(z0))
ACTIVE(terms(terms(z0))) → c9(TERMS(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(terms(sqr(0))) → c9(TERMS(mark(0)), ACTIVE(sqr(0)))
ACTIVE(terms(sqr(s(z0)))) → c9(TERMS(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(terms(dbl(0))) → c9(TERMS(mark(0)), ACTIVE(dbl(0)))
ACTIVE(terms(dbl(s(z0)))) → c9(TERMS(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(terms(add(0, z0))) → c9(TERMS(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(terms(add(s(z0), z1))) → c9(TERMS(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(terms(first(0, z0))) → c9(TERMS(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(terms(first(s(z0), cons(z1, z2)))) → c9(TERMS(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(terms(terms(z0))) → c9(TERMS(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(terms(cons(z0, z1))) → c9(TERMS(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(terms(recip(z0))) → c9(TERMS(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(terms(sqr(z0))) → c9(TERMS(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(terms(s(z0))) → c9(TERMS(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(terms(add(z0, z1))) → c9(TERMS(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(terms(add(z0, z1))) → c9(TERMS(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(terms(dbl(z0))) → c9(TERMS(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(terms(first(z0, z1))) → c9(TERMS(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(terms(first(z0, z1))) → c9(TERMS(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(cons(terms(z0), x1)) → c10(CONS(mark(cons(recip(sqr(z0)), terms(s(z0)))), x1), ACTIVE(terms(z0)))
ACTIVE(cons(sqr(0), x1)) → c10(CONS(mark(0), x1), ACTIVE(sqr(0)))
ACTIVE(cons(sqr(s(z0)), x1)) → c10(CONS(mark(s(add(sqr(z0), dbl(z0)))), x1), ACTIVE(sqr(s(z0))))
ACTIVE(cons(dbl(0), x1)) → c10(CONS(mark(0), x1), ACTIVE(dbl(0)))
ACTIVE(cons(dbl(s(z0)), x1)) → c10(CONS(mark(s(s(dbl(z0)))), x1), ACTIVE(dbl(s(z0))))
ACTIVE(cons(add(0, z0), x1)) → c10(CONS(mark(z0), x1), ACTIVE(add(0, z0)))
ACTIVE(cons(add(s(z0), z1), x1)) → c10(CONS(mark(s(add(z0, z1))), x1), ACTIVE(add(s(z0), z1)))
ACTIVE(cons(first(0, z0), x1)) → c10(CONS(mark(nil), x1), ACTIVE(first(0, z0)))
ACTIVE(cons(first(s(z0), cons(z1, z2)), x1)) → c10(CONS(mark(cons(z1, first(z0, z2))), x1), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(cons(terms(z0), x1)) → c10(CONS(terms(active(z0)), x1), ACTIVE(terms(z0)))
ACTIVE(cons(cons(z0, z1), x1)) → c10(CONS(cons(active(z0), z1), x1), ACTIVE(cons(z0, z1)))
ACTIVE(cons(recip(z0), x1)) → c10(CONS(recip(active(z0)), x1), ACTIVE(recip(z0)))
ACTIVE(cons(sqr(z0), x1)) → c10(CONS(sqr(active(z0)), x1), ACTIVE(sqr(z0)))
ACTIVE(cons(s(z0), x1)) → c10(CONS(s(active(z0)), x1), ACTIVE(s(z0)))
ACTIVE(cons(add(z0, z1), x1)) → c10(CONS(add(active(z0), z1), x1), ACTIVE(add(z0, z1)))
ACTIVE(cons(add(z0, z1), x1)) → c10(CONS(add(z0, active(z1)), x1), ACTIVE(add(z0, z1)))
ACTIVE(cons(dbl(z0), x1)) → c10(CONS(dbl(active(z0)), x1), ACTIVE(dbl(z0)))
ACTIVE(cons(first(z0, z1), x1)) → c10(CONS(first(active(z0), z1), x1), ACTIVE(first(z0, z1)))
ACTIVE(cons(first(z0, z1), x1)) → c10(CONS(first(z0, active(z1)), x1), ACTIVE(first(z0, z1)))
ACTIVE(recip(terms(z0))) → c11(RECIP(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(recip(sqr(0))) → c11(RECIP(mark(0)), ACTIVE(sqr(0)))
ACTIVE(recip(sqr(s(z0)))) → c11(RECIP(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(recip(dbl(0))) → c11(RECIP(mark(0)), ACTIVE(dbl(0)))
ACTIVE(recip(dbl(s(z0)))) → c11(RECIP(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(recip(add(0, z0))) → c11(RECIP(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(recip(add(s(z0), z1))) → c11(RECIP(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(recip(first(0, z0))) → c11(RECIP(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(recip(first(s(z0), cons(z1, z2)))) → c11(RECIP(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(recip(terms(z0))) → c11(RECIP(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(recip(cons(z0, z1))) → c11(RECIP(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(recip(recip(z0))) → c11(RECIP(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(recip(sqr(z0))) → c11(RECIP(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(recip(s(z0))) → c11(RECIP(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(recip(add(z0, z1))) → c11(RECIP(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(recip(add(z0, z1))) → c11(RECIP(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(recip(dbl(z0))) → c11(RECIP(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(recip(first(z0, z1))) → c11(RECIP(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(recip(first(z0, z1))) → c11(RECIP(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(sqr(terms(z0))) → c12(SQR(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(sqr(sqr(0))) → c12(SQR(mark(0)), ACTIVE(sqr(0)))
ACTIVE(sqr(sqr(s(z0)))) → c12(SQR(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(sqr(dbl(0))) → c12(SQR(mark(0)), ACTIVE(dbl(0)))
ACTIVE(sqr(dbl(s(z0)))) → c12(SQR(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(sqr(add(0, z0))) → c12(SQR(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(sqr(add(s(z0), z1))) → c12(SQR(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(sqr(first(0, z0))) → c12(SQR(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(sqr(first(s(z0), cons(z1, z2)))) → c12(SQR(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(sqr(terms(z0))) → c12(SQR(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(sqr(cons(z0, z1))) → c12(SQR(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(sqr(recip(z0))) → c12(SQR(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(sqr(sqr(z0))) → c12(SQR(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(sqr(s(z0))) → c12(SQR(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(sqr(add(z0, z1))) → c12(SQR(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(sqr(add(z0, z1))) → c12(SQR(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(sqr(dbl(z0))) → c12(SQR(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(sqr(first(z0, z1))) → c12(SQR(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(sqr(first(z0, z1))) → c12(SQR(first(z0, active(z1))), ACTIVE(first(z0, z1)))
K tuples:none
Defined Rule Symbols:

active, cons, first, terms, recip, sqr, s, add, dbl, proper

Defined Pair Symbols:

ACTIVE, TERMS, CONS, RECIP, SQR, S, ADD, DBL, FIRST, PROPER, TOP

Compound Symbols:

c13, c14, c15, c16, c17, c18, c19, c20, c21, c22, c23, c24, c25, c26, c27, c28, c29, c30, c31, c32, c33, c34, c35, c36, c37, c38, c39, c40, c41, c43, c44, c45, c47, c48, c4, c6, c1, c9, c10, c11, c12

(19) CdtRhsSimplificationProcessorProof (BOTH BOUNDS(ID, ID) transformation)

Removed 4 trailing tuple parts

(20) Obligation:

Complexity Dependency Tuples Problem
Rules:

active(terms(z0)) → mark(cons(recip(sqr(z0)), terms(s(z0))))
active(sqr(0)) → mark(0)
active(sqr(s(z0))) → mark(s(add(sqr(z0), dbl(z0))))
active(dbl(0)) → mark(0)
active(dbl(s(z0))) → mark(s(s(dbl(z0))))
active(add(0, z0)) → mark(z0)
active(add(s(z0), z1)) → mark(s(add(z0, z1)))
active(first(0, z0)) → mark(nil)
active(first(s(z0), cons(z1, z2))) → mark(cons(z1, first(z0, z2)))
active(terms(z0)) → terms(active(z0))
active(cons(z0, z1)) → cons(active(z0), z1)
active(recip(z0)) → recip(active(z0))
active(sqr(z0)) → sqr(active(z0))
active(s(z0)) → s(active(z0))
active(add(z0, z1)) → add(active(z0), z1)
active(add(z0, z1)) → add(z0, active(z1))
active(dbl(z0)) → dbl(active(z0))
active(first(z0, z1)) → first(active(z0), z1)
active(first(z0, z1)) → first(z0, active(z1))
cons(ok(z0), ok(z1)) → ok(cons(z0, z1))
cons(mark(z0), z1) → mark(cons(z0, z1))
first(z0, mark(z1)) → mark(first(z0, z1))
first(mark(z0), z1) → mark(first(z0, z1))
first(ok(z0), ok(z1)) → ok(first(z0, z1))
terms(mark(z0)) → mark(terms(z0))
terms(ok(z0)) → ok(terms(z0))
recip(mark(z0)) → mark(recip(z0))
recip(ok(z0)) → ok(recip(z0))
sqr(mark(z0)) → mark(sqr(z0))
sqr(ok(z0)) → ok(sqr(z0))
s(mark(z0)) → mark(s(z0))
s(ok(z0)) → ok(s(z0))
add(mark(z0), z1) → mark(add(z0, z1))
add(ok(z0), ok(z1)) → ok(add(z0, z1))
add(z0, mark(z1)) → mark(add(z0, z1))
dbl(mark(z0)) → mark(dbl(z0))
dbl(ok(z0)) → ok(dbl(z0))
proper(terms(z0)) → terms(proper(z0))
proper(cons(z0, z1)) → cons(proper(z0), proper(z1))
proper(recip(z0)) → recip(proper(z0))
proper(sqr(z0)) → sqr(proper(z0))
proper(s(z0)) → s(proper(z0))
proper(0) → ok(0)
proper(add(z0, z1)) → add(proper(z0), proper(z1))
proper(dbl(z0)) → dbl(proper(z0))
proper(first(z0, z1)) → first(proper(z0), proper(z1))
proper(nil) → ok(nil)
Tuples:

ACTIVE(s(z0)) → c13(S(active(z0)), ACTIVE(z0))
ACTIVE(add(z0, z1)) → c14(ADD(active(z0), z1), ACTIVE(z0))
ACTIVE(add(z0, z1)) → c15(ADD(z0, active(z1)), ACTIVE(z1))
ACTIVE(dbl(z0)) → c16(DBL(active(z0)), ACTIVE(z0))
ACTIVE(first(z0, z1)) → c17(FIRST(active(z0), z1), ACTIVE(z0))
ACTIVE(first(z0, z1)) → c18(FIRST(z0, active(z1)), ACTIVE(z1))
TERMS(mark(z0)) → c19(TERMS(z0))
TERMS(ok(z0)) → c20(TERMS(z0))
CONS(mark(z0), z1) → c21(CONS(z0, z1))
CONS(ok(z0), ok(z1)) → c22(CONS(z0, z1))
RECIP(mark(z0)) → c23(RECIP(z0))
RECIP(ok(z0)) → c24(RECIP(z0))
SQR(mark(z0)) → c25(SQR(z0))
SQR(ok(z0)) → c26(SQR(z0))
S(mark(z0)) → c27(S(z0))
S(ok(z0)) → c28(S(z0))
ADD(mark(z0), z1) → c29(ADD(z0, z1))
ADD(z0, mark(z1)) → c30(ADD(z0, z1))
ADD(ok(z0), ok(z1)) → c31(ADD(z0, z1))
DBL(mark(z0)) → c32(DBL(z0))
DBL(ok(z0)) → c33(DBL(z0))
FIRST(mark(z0), z1) → c34(FIRST(z0, z1))
FIRST(z0, mark(z1)) → c35(FIRST(z0, z1))
FIRST(ok(z0), ok(z1)) → c36(FIRST(z0, z1))
PROPER(terms(z0)) → c37(TERMS(proper(z0)), PROPER(z0))
PROPER(cons(z0, z1)) → c38(CONS(proper(z0), proper(z1)), PROPER(z0), PROPER(z1))
PROPER(recip(z0)) → c39(RECIP(proper(z0)), PROPER(z0))
PROPER(sqr(z0)) → c40(SQR(proper(z0)), PROPER(z0))
PROPER(s(z0)) → c41(S(proper(z0)), PROPER(z0))
PROPER(add(z0, z1)) → c43(ADD(proper(z0), proper(z1)), PROPER(z0), PROPER(z1))
PROPER(dbl(z0)) → c44(DBL(proper(z0)), PROPER(z0))
PROPER(first(z0, z1)) → c45(FIRST(proper(z0), proper(z1)), PROPER(z0), PROPER(z1))
TOP(mark(z0)) → c47(TOP(proper(z0)), PROPER(z0))
TOP(ok(z0)) → c48(TOP(active(z0)), ACTIVE(z0))
ACTIVE(dbl(s(z0))) → c4(DBL(z0))
ACTIVE(add(s(z0), z1)) → c6(ADD(z0, z1))
ACTIVE(first(s(z0), cons(z1, z2))) → c1(CONS(z1, first(z0, z2)))
ACTIVE(first(s(z0), cons(z1, z2))) → c1(FIRST(z0, z2))
ACTIVE(terms(z0)) → c1(SQR(z0))
ACTIVE(terms(z0)) → c1(S(z0))
ACTIVE(sqr(s(z0))) → c1(SQR(z0))
ACTIVE(sqr(s(z0))) → c1(DBL(z0))
ACTIVE(terms(terms(z0))) → c9(TERMS(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(terms(sqr(s(z0)))) → c9(TERMS(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(terms(dbl(0))) → c9(TERMS(mark(0)), ACTIVE(dbl(0)))
ACTIVE(terms(dbl(s(z0)))) → c9(TERMS(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(terms(add(0, z0))) → c9(TERMS(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(terms(add(s(z0), z1))) → c9(TERMS(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(terms(first(0, z0))) → c9(TERMS(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(terms(first(s(z0), cons(z1, z2)))) → c9(TERMS(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(terms(terms(z0))) → c9(TERMS(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(terms(cons(z0, z1))) → c9(TERMS(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(terms(recip(z0))) → c9(TERMS(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(terms(sqr(z0))) → c9(TERMS(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(terms(s(z0))) → c9(TERMS(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(terms(add(z0, z1))) → c9(TERMS(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(terms(add(z0, z1))) → c9(TERMS(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(terms(dbl(z0))) → c9(TERMS(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(terms(first(z0, z1))) → c9(TERMS(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(terms(first(z0, z1))) → c9(TERMS(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(cons(terms(z0), x1)) → c10(CONS(mark(cons(recip(sqr(z0)), terms(s(z0)))), x1), ACTIVE(terms(z0)))
ACTIVE(cons(sqr(s(z0)), x1)) → c10(CONS(mark(s(add(sqr(z0), dbl(z0)))), x1), ACTIVE(sqr(s(z0))))
ACTIVE(cons(dbl(0), x1)) → c10(CONS(mark(0), x1), ACTIVE(dbl(0)))
ACTIVE(cons(dbl(s(z0)), x1)) → c10(CONS(mark(s(s(dbl(z0)))), x1), ACTIVE(dbl(s(z0))))
ACTIVE(cons(add(0, z0), x1)) → c10(CONS(mark(z0), x1), ACTIVE(add(0, z0)))
ACTIVE(cons(add(s(z0), z1), x1)) → c10(CONS(mark(s(add(z0, z1))), x1), ACTIVE(add(s(z0), z1)))
ACTIVE(cons(first(0, z0), x1)) → c10(CONS(mark(nil), x1), ACTIVE(first(0, z0)))
ACTIVE(cons(first(s(z0), cons(z1, z2)), x1)) → c10(CONS(mark(cons(z1, first(z0, z2))), x1), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(cons(terms(z0), x1)) → c10(CONS(terms(active(z0)), x1), ACTIVE(terms(z0)))
ACTIVE(cons(cons(z0, z1), x1)) → c10(CONS(cons(active(z0), z1), x1), ACTIVE(cons(z0, z1)))
ACTIVE(cons(recip(z0), x1)) → c10(CONS(recip(active(z0)), x1), ACTIVE(recip(z0)))
ACTIVE(cons(sqr(z0), x1)) → c10(CONS(sqr(active(z0)), x1), ACTIVE(sqr(z0)))
ACTIVE(cons(s(z0), x1)) → c10(CONS(s(active(z0)), x1), ACTIVE(s(z0)))
ACTIVE(cons(add(z0, z1), x1)) → c10(CONS(add(active(z0), z1), x1), ACTIVE(add(z0, z1)))
ACTIVE(cons(add(z0, z1), x1)) → c10(CONS(add(z0, active(z1)), x1), ACTIVE(add(z0, z1)))
ACTIVE(cons(dbl(z0), x1)) → c10(CONS(dbl(active(z0)), x1), ACTIVE(dbl(z0)))
ACTIVE(cons(first(z0, z1), x1)) → c10(CONS(first(active(z0), z1), x1), ACTIVE(first(z0, z1)))
ACTIVE(cons(first(z0, z1), x1)) → c10(CONS(first(z0, active(z1)), x1), ACTIVE(first(z0, z1)))
ACTIVE(recip(terms(z0))) → c11(RECIP(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(recip(sqr(s(z0)))) → c11(RECIP(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(recip(dbl(0))) → c11(RECIP(mark(0)), ACTIVE(dbl(0)))
ACTIVE(recip(dbl(s(z0)))) → c11(RECIP(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(recip(add(0, z0))) → c11(RECIP(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(recip(add(s(z0), z1))) → c11(RECIP(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(recip(first(0, z0))) → c11(RECIP(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(recip(first(s(z0), cons(z1, z2)))) → c11(RECIP(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(recip(terms(z0))) → c11(RECIP(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(recip(cons(z0, z1))) → c11(RECIP(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(recip(recip(z0))) → c11(RECIP(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(recip(sqr(z0))) → c11(RECIP(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(recip(s(z0))) → c11(RECIP(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(recip(add(z0, z1))) → c11(RECIP(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(recip(add(z0, z1))) → c11(RECIP(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(recip(dbl(z0))) → c11(RECIP(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(recip(first(z0, z1))) → c11(RECIP(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(recip(first(z0, z1))) → c11(RECIP(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(sqr(terms(z0))) → c12(SQR(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(sqr(sqr(s(z0)))) → c12(SQR(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(sqr(dbl(0))) → c12(SQR(mark(0)), ACTIVE(dbl(0)))
ACTIVE(sqr(dbl(s(z0)))) → c12(SQR(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(sqr(add(0, z0))) → c12(SQR(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(sqr(add(s(z0), z1))) → c12(SQR(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(sqr(first(0, z0))) → c12(SQR(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(sqr(first(s(z0), cons(z1, z2)))) → c12(SQR(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(sqr(terms(z0))) → c12(SQR(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(sqr(cons(z0, z1))) → c12(SQR(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(sqr(recip(z0))) → c12(SQR(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(sqr(sqr(z0))) → c12(SQR(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(sqr(s(z0))) → c12(SQR(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(sqr(add(z0, z1))) → c12(SQR(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(sqr(add(z0, z1))) → c12(SQR(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(sqr(dbl(z0))) → c12(SQR(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(sqr(first(z0, z1))) → c12(SQR(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(sqr(first(z0, z1))) → c12(SQR(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(terms(sqr(0))) → c9(TERMS(mark(0)))
ACTIVE(cons(sqr(0), x1)) → c10(CONS(mark(0), x1))
ACTIVE(recip(sqr(0))) → c11(RECIP(mark(0)))
ACTIVE(sqr(sqr(0))) → c12(SQR(mark(0)))
S tuples:

ACTIVE(s(z0)) → c13(S(active(z0)), ACTIVE(z0))
ACTIVE(add(z0, z1)) → c14(ADD(active(z0), z1), ACTIVE(z0))
ACTIVE(add(z0, z1)) → c15(ADD(z0, active(z1)), ACTIVE(z1))
ACTIVE(dbl(z0)) → c16(DBL(active(z0)), ACTIVE(z0))
ACTIVE(first(z0, z1)) → c17(FIRST(active(z0), z1), ACTIVE(z0))
ACTIVE(first(z0, z1)) → c18(FIRST(z0, active(z1)), ACTIVE(z1))
TERMS(mark(z0)) → c19(TERMS(z0))
TERMS(ok(z0)) → c20(TERMS(z0))
CONS(mark(z0), z1) → c21(CONS(z0, z1))
CONS(ok(z0), ok(z1)) → c22(CONS(z0, z1))
RECIP(mark(z0)) → c23(RECIP(z0))
RECIP(ok(z0)) → c24(RECIP(z0))
SQR(mark(z0)) → c25(SQR(z0))
SQR(ok(z0)) → c26(SQR(z0))
S(mark(z0)) → c27(S(z0))
S(ok(z0)) → c28(S(z0))
ADD(mark(z0), z1) → c29(ADD(z0, z1))
ADD(z0, mark(z1)) → c30(ADD(z0, z1))
ADD(ok(z0), ok(z1)) → c31(ADD(z0, z1))
DBL(mark(z0)) → c32(DBL(z0))
DBL(ok(z0)) → c33(DBL(z0))
FIRST(mark(z0), z1) → c34(FIRST(z0, z1))
FIRST(z0, mark(z1)) → c35(FIRST(z0, z1))
FIRST(ok(z0), ok(z1)) → c36(FIRST(z0, z1))
PROPER(terms(z0)) → c37(TERMS(proper(z0)), PROPER(z0))
PROPER(cons(z0, z1)) → c38(CONS(proper(z0), proper(z1)), PROPER(z0), PROPER(z1))
PROPER(recip(z0)) → c39(RECIP(proper(z0)), PROPER(z0))
PROPER(sqr(z0)) → c40(SQR(proper(z0)), PROPER(z0))
PROPER(s(z0)) → c41(S(proper(z0)), PROPER(z0))
PROPER(add(z0, z1)) → c43(ADD(proper(z0), proper(z1)), PROPER(z0), PROPER(z1))
PROPER(dbl(z0)) → c44(DBL(proper(z0)), PROPER(z0))
PROPER(first(z0, z1)) → c45(FIRST(proper(z0), proper(z1)), PROPER(z0), PROPER(z1))
TOP(mark(z0)) → c47(TOP(proper(z0)), PROPER(z0))
TOP(ok(z0)) → c48(TOP(active(z0)), ACTIVE(z0))
ACTIVE(dbl(s(z0))) → c4(DBL(z0))
ACTIVE(add(s(z0), z1)) → c6(ADD(z0, z1))
ACTIVE(first(s(z0), cons(z1, z2))) → c1(CONS(z1, first(z0, z2)))
ACTIVE(first(s(z0), cons(z1, z2))) → c1(FIRST(z0, z2))
ACTIVE(terms(z0)) → c1(SQR(z0))
ACTIVE(terms(z0)) → c1(S(z0))
ACTIVE(sqr(s(z0))) → c1(SQR(z0))
ACTIVE(sqr(s(z0))) → c1(DBL(z0))
ACTIVE(terms(terms(z0))) → c9(TERMS(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(terms(sqr(s(z0)))) → c9(TERMS(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(terms(dbl(0))) → c9(TERMS(mark(0)), ACTIVE(dbl(0)))
ACTIVE(terms(dbl(s(z0)))) → c9(TERMS(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(terms(add(0, z0))) → c9(TERMS(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(terms(add(s(z0), z1))) → c9(TERMS(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(terms(first(0, z0))) → c9(TERMS(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(terms(first(s(z0), cons(z1, z2)))) → c9(TERMS(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(terms(terms(z0))) → c9(TERMS(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(terms(cons(z0, z1))) → c9(TERMS(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(terms(recip(z0))) → c9(TERMS(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(terms(sqr(z0))) → c9(TERMS(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(terms(s(z0))) → c9(TERMS(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(terms(add(z0, z1))) → c9(TERMS(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(terms(add(z0, z1))) → c9(TERMS(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(terms(dbl(z0))) → c9(TERMS(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(terms(first(z0, z1))) → c9(TERMS(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(terms(first(z0, z1))) → c9(TERMS(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(cons(terms(z0), x1)) → c10(CONS(mark(cons(recip(sqr(z0)), terms(s(z0)))), x1), ACTIVE(terms(z0)))
ACTIVE(cons(sqr(s(z0)), x1)) → c10(CONS(mark(s(add(sqr(z0), dbl(z0)))), x1), ACTIVE(sqr(s(z0))))
ACTIVE(cons(dbl(0), x1)) → c10(CONS(mark(0), x1), ACTIVE(dbl(0)))
ACTIVE(cons(dbl(s(z0)), x1)) → c10(CONS(mark(s(s(dbl(z0)))), x1), ACTIVE(dbl(s(z0))))
ACTIVE(cons(add(0, z0), x1)) → c10(CONS(mark(z0), x1), ACTIVE(add(0, z0)))
ACTIVE(cons(add(s(z0), z1), x1)) → c10(CONS(mark(s(add(z0, z1))), x1), ACTIVE(add(s(z0), z1)))
ACTIVE(cons(first(0, z0), x1)) → c10(CONS(mark(nil), x1), ACTIVE(first(0, z0)))
ACTIVE(cons(first(s(z0), cons(z1, z2)), x1)) → c10(CONS(mark(cons(z1, first(z0, z2))), x1), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(cons(terms(z0), x1)) → c10(CONS(terms(active(z0)), x1), ACTIVE(terms(z0)))
ACTIVE(cons(cons(z0, z1), x1)) → c10(CONS(cons(active(z0), z1), x1), ACTIVE(cons(z0, z1)))
ACTIVE(cons(recip(z0), x1)) → c10(CONS(recip(active(z0)), x1), ACTIVE(recip(z0)))
ACTIVE(cons(sqr(z0), x1)) → c10(CONS(sqr(active(z0)), x1), ACTIVE(sqr(z0)))
ACTIVE(cons(s(z0), x1)) → c10(CONS(s(active(z0)), x1), ACTIVE(s(z0)))
ACTIVE(cons(add(z0, z1), x1)) → c10(CONS(add(active(z0), z1), x1), ACTIVE(add(z0, z1)))
ACTIVE(cons(add(z0, z1), x1)) → c10(CONS(add(z0, active(z1)), x1), ACTIVE(add(z0, z1)))
ACTIVE(cons(dbl(z0), x1)) → c10(CONS(dbl(active(z0)), x1), ACTIVE(dbl(z0)))
ACTIVE(cons(first(z0, z1), x1)) → c10(CONS(first(active(z0), z1), x1), ACTIVE(first(z0, z1)))
ACTIVE(cons(first(z0, z1), x1)) → c10(CONS(first(z0, active(z1)), x1), ACTIVE(first(z0, z1)))
ACTIVE(recip(terms(z0))) → c11(RECIP(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(recip(sqr(s(z0)))) → c11(RECIP(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(recip(dbl(0))) → c11(RECIP(mark(0)), ACTIVE(dbl(0)))
ACTIVE(recip(dbl(s(z0)))) → c11(RECIP(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(recip(add(0, z0))) → c11(RECIP(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(recip(add(s(z0), z1))) → c11(RECIP(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(recip(first(0, z0))) → c11(RECIP(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(recip(first(s(z0), cons(z1, z2)))) → c11(RECIP(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(recip(terms(z0))) → c11(RECIP(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(recip(cons(z0, z1))) → c11(RECIP(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(recip(recip(z0))) → c11(RECIP(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(recip(sqr(z0))) → c11(RECIP(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(recip(s(z0))) → c11(RECIP(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(recip(add(z0, z1))) → c11(RECIP(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(recip(add(z0, z1))) → c11(RECIP(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(recip(dbl(z0))) → c11(RECIP(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(recip(first(z0, z1))) → c11(RECIP(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(recip(first(z0, z1))) → c11(RECIP(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(sqr(terms(z0))) → c12(SQR(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(sqr(sqr(s(z0)))) → c12(SQR(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(sqr(dbl(0))) → c12(SQR(mark(0)), ACTIVE(dbl(0)))
ACTIVE(sqr(dbl(s(z0)))) → c12(SQR(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(sqr(add(0, z0))) → c12(SQR(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(sqr(add(s(z0), z1))) → c12(SQR(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(sqr(first(0, z0))) → c12(SQR(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(sqr(first(s(z0), cons(z1, z2)))) → c12(SQR(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(sqr(terms(z0))) → c12(SQR(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(sqr(cons(z0, z1))) → c12(SQR(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(sqr(recip(z0))) → c12(SQR(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(sqr(sqr(z0))) → c12(SQR(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(sqr(s(z0))) → c12(SQR(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(sqr(add(z0, z1))) → c12(SQR(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(sqr(add(z0, z1))) → c12(SQR(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(sqr(dbl(z0))) → c12(SQR(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(sqr(first(z0, z1))) → c12(SQR(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(sqr(first(z0, z1))) → c12(SQR(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(terms(sqr(0))) → c9(TERMS(mark(0)))
ACTIVE(cons(sqr(0), x1)) → c10(CONS(mark(0), x1))
ACTIVE(recip(sqr(0))) → c11(RECIP(mark(0)))
ACTIVE(sqr(sqr(0))) → c12(SQR(mark(0)))
K tuples:none
Defined Rule Symbols:

active, cons, first, terms, recip, sqr, s, add, dbl, proper

Defined Pair Symbols:

ACTIVE, TERMS, CONS, RECIP, SQR, S, ADD, DBL, FIRST, PROPER, TOP

Compound Symbols:

c13, c14, c15, c16, c17, c18, c19, c20, c21, c22, c23, c24, c25, c26, c27, c28, c29, c30, c31, c32, c33, c34, c35, c36, c37, c38, c39, c40, c41, c43, c44, c45, c47, c48, c4, c6, c1, c9, c10, c11, c12, c9, c10, c11, c12

(21) CdtNarrowingProof (BOTH BOUNDS(ID, ID) transformation)

Use narrowing to replace ACTIVE(s(z0)) → c13(S(active(z0)), ACTIVE(z0)) by

ACTIVE(s(terms(z0))) → c13(S(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(s(sqr(0))) → c13(S(mark(0)), ACTIVE(sqr(0)))
ACTIVE(s(sqr(s(z0)))) → c13(S(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(s(dbl(0))) → c13(S(mark(0)), ACTIVE(dbl(0)))
ACTIVE(s(dbl(s(z0)))) → c13(S(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(s(add(0, z0))) → c13(S(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(s(add(s(z0), z1))) → c13(S(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(s(first(0, z0))) → c13(S(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(s(first(s(z0), cons(z1, z2)))) → c13(S(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(s(terms(z0))) → c13(S(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(s(cons(z0, z1))) → c13(S(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(s(recip(z0))) → c13(S(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(s(sqr(z0))) → c13(S(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(s(s(z0))) → c13(S(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(s(add(z0, z1))) → c13(S(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(s(add(z0, z1))) → c13(S(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(s(dbl(z0))) → c13(S(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(s(first(z0, z1))) → c13(S(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(s(first(z0, z1))) → c13(S(first(z0, active(z1))), ACTIVE(first(z0, z1)))

(22) Obligation:

Complexity Dependency Tuples Problem
Rules:

active(terms(z0)) → mark(cons(recip(sqr(z0)), terms(s(z0))))
active(sqr(0)) → mark(0)
active(sqr(s(z0))) → mark(s(add(sqr(z0), dbl(z0))))
active(dbl(0)) → mark(0)
active(dbl(s(z0))) → mark(s(s(dbl(z0))))
active(add(0, z0)) → mark(z0)
active(add(s(z0), z1)) → mark(s(add(z0, z1)))
active(first(0, z0)) → mark(nil)
active(first(s(z0), cons(z1, z2))) → mark(cons(z1, first(z0, z2)))
active(terms(z0)) → terms(active(z0))
active(cons(z0, z1)) → cons(active(z0), z1)
active(recip(z0)) → recip(active(z0))
active(sqr(z0)) → sqr(active(z0))
active(s(z0)) → s(active(z0))
active(add(z0, z1)) → add(active(z0), z1)
active(add(z0, z1)) → add(z0, active(z1))
active(dbl(z0)) → dbl(active(z0))
active(first(z0, z1)) → first(active(z0), z1)
active(first(z0, z1)) → first(z0, active(z1))
cons(ok(z0), ok(z1)) → ok(cons(z0, z1))
cons(mark(z0), z1) → mark(cons(z0, z1))
first(z0, mark(z1)) → mark(first(z0, z1))
first(mark(z0), z1) → mark(first(z0, z1))
first(ok(z0), ok(z1)) → ok(first(z0, z1))
terms(mark(z0)) → mark(terms(z0))
terms(ok(z0)) → ok(terms(z0))
recip(mark(z0)) → mark(recip(z0))
recip(ok(z0)) → ok(recip(z0))
sqr(mark(z0)) → mark(sqr(z0))
sqr(ok(z0)) → ok(sqr(z0))
s(mark(z0)) → mark(s(z0))
s(ok(z0)) → ok(s(z0))
add(mark(z0), z1) → mark(add(z0, z1))
add(ok(z0), ok(z1)) → ok(add(z0, z1))
add(z0, mark(z1)) → mark(add(z0, z1))
dbl(mark(z0)) → mark(dbl(z0))
dbl(ok(z0)) → ok(dbl(z0))
proper(terms(z0)) → terms(proper(z0))
proper(cons(z0, z1)) → cons(proper(z0), proper(z1))
proper(recip(z0)) → recip(proper(z0))
proper(sqr(z0)) → sqr(proper(z0))
proper(s(z0)) → s(proper(z0))
proper(0) → ok(0)
proper(add(z0, z1)) → add(proper(z0), proper(z1))
proper(dbl(z0)) → dbl(proper(z0))
proper(first(z0, z1)) → first(proper(z0), proper(z1))
proper(nil) → ok(nil)
Tuples:

ACTIVE(add(z0, z1)) → c14(ADD(active(z0), z1), ACTIVE(z0))
ACTIVE(add(z0, z1)) → c15(ADD(z0, active(z1)), ACTIVE(z1))
ACTIVE(dbl(z0)) → c16(DBL(active(z0)), ACTIVE(z0))
ACTIVE(first(z0, z1)) → c17(FIRST(active(z0), z1), ACTIVE(z0))
ACTIVE(first(z0, z1)) → c18(FIRST(z0, active(z1)), ACTIVE(z1))
TERMS(mark(z0)) → c19(TERMS(z0))
TERMS(ok(z0)) → c20(TERMS(z0))
CONS(mark(z0), z1) → c21(CONS(z0, z1))
CONS(ok(z0), ok(z1)) → c22(CONS(z0, z1))
RECIP(mark(z0)) → c23(RECIP(z0))
RECIP(ok(z0)) → c24(RECIP(z0))
SQR(mark(z0)) → c25(SQR(z0))
SQR(ok(z0)) → c26(SQR(z0))
S(mark(z0)) → c27(S(z0))
S(ok(z0)) → c28(S(z0))
ADD(mark(z0), z1) → c29(ADD(z0, z1))
ADD(z0, mark(z1)) → c30(ADD(z0, z1))
ADD(ok(z0), ok(z1)) → c31(ADD(z0, z1))
DBL(mark(z0)) → c32(DBL(z0))
DBL(ok(z0)) → c33(DBL(z0))
FIRST(mark(z0), z1) → c34(FIRST(z0, z1))
FIRST(z0, mark(z1)) → c35(FIRST(z0, z1))
FIRST(ok(z0), ok(z1)) → c36(FIRST(z0, z1))
PROPER(terms(z0)) → c37(TERMS(proper(z0)), PROPER(z0))
PROPER(cons(z0, z1)) → c38(CONS(proper(z0), proper(z1)), PROPER(z0), PROPER(z1))
PROPER(recip(z0)) → c39(RECIP(proper(z0)), PROPER(z0))
PROPER(sqr(z0)) → c40(SQR(proper(z0)), PROPER(z0))
PROPER(s(z0)) → c41(S(proper(z0)), PROPER(z0))
PROPER(add(z0, z1)) → c43(ADD(proper(z0), proper(z1)), PROPER(z0), PROPER(z1))
PROPER(dbl(z0)) → c44(DBL(proper(z0)), PROPER(z0))
PROPER(first(z0, z1)) → c45(FIRST(proper(z0), proper(z1)), PROPER(z0), PROPER(z1))
TOP(mark(z0)) → c47(TOP(proper(z0)), PROPER(z0))
TOP(ok(z0)) → c48(TOP(active(z0)), ACTIVE(z0))
ACTIVE(dbl(s(z0))) → c4(DBL(z0))
ACTIVE(add(s(z0), z1)) → c6(ADD(z0, z1))
ACTIVE(first(s(z0), cons(z1, z2))) → c1(CONS(z1, first(z0, z2)))
ACTIVE(first(s(z0), cons(z1, z2))) → c1(FIRST(z0, z2))
ACTIVE(terms(z0)) → c1(SQR(z0))
ACTIVE(terms(z0)) → c1(S(z0))
ACTIVE(sqr(s(z0))) → c1(SQR(z0))
ACTIVE(sqr(s(z0))) → c1(DBL(z0))
ACTIVE(terms(terms(z0))) → c9(TERMS(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(terms(sqr(s(z0)))) → c9(TERMS(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(terms(dbl(0))) → c9(TERMS(mark(0)), ACTIVE(dbl(0)))
ACTIVE(terms(dbl(s(z0)))) → c9(TERMS(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(terms(add(0, z0))) → c9(TERMS(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(terms(add(s(z0), z1))) → c9(TERMS(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(terms(first(0, z0))) → c9(TERMS(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(terms(first(s(z0), cons(z1, z2)))) → c9(TERMS(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(terms(terms(z0))) → c9(TERMS(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(terms(cons(z0, z1))) → c9(TERMS(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(terms(recip(z0))) → c9(TERMS(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(terms(sqr(z0))) → c9(TERMS(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(terms(s(z0))) → c9(TERMS(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(terms(add(z0, z1))) → c9(TERMS(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(terms(add(z0, z1))) → c9(TERMS(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(terms(dbl(z0))) → c9(TERMS(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(terms(first(z0, z1))) → c9(TERMS(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(terms(first(z0, z1))) → c9(TERMS(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(cons(terms(z0), x1)) → c10(CONS(mark(cons(recip(sqr(z0)), terms(s(z0)))), x1), ACTIVE(terms(z0)))
ACTIVE(cons(sqr(s(z0)), x1)) → c10(CONS(mark(s(add(sqr(z0), dbl(z0)))), x1), ACTIVE(sqr(s(z0))))
ACTIVE(cons(dbl(0), x1)) → c10(CONS(mark(0), x1), ACTIVE(dbl(0)))
ACTIVE(cons(dbl(s(z0)), x1)) → c10(CONS(mark(s(s(dbl(z0)))), x1), ACTIVE(dbl(s(z0))))
ACTIVE(cons(add(0, z0), x1)) → c10(CONS(mark(z0), x1), ACTIVE(add(0, z0)))
ACTIVE(cons(add(s(z0), z1), x1)) → c10(CONS(mark(s(add(z0, z1))), x1), ACTIVE(add(s(z0), z1)))
ACTIVE(cons(first(0, z0), x1)) → c10(CONS(mark(nil), x1), ACTIVE(first(0, z0)))
ACTIVE(cons(first(s(z0), cons(z1, z2)), x1)) → c10(CONS(mark(cons(z1, first(z0, z2))), x1), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(cons(terms(z0), x1)) → c10(CONS(terms(active(z0)), x1), ACTIVE(terms(z0)))
ACTIVE(cons(cons(z0, z1), x1)) → c10(CONS(cons(active(z0), z1), x1), ACTIVE(cons(z0, z1)))
ACTIVE(cons(recip(z0), x1)) → c10(CONS(recip(active(z0)), x1), ACTIVE(recip(z0)))
ACTIVE(cons(sqr(z0), x1)) → c10(CONS(sqr(active(z0)), x1), ACTIVE(sqr(z0)))
ACTIVE(cons(s(z0), x1)) → c10(CONS(s(active(z0)), x1), ACTIVE(s(z0)))
ACTIVE(cons(add(z0, z1), x1)) → c10(CONS(add(active(z0), z1), x1), ACTIVE(add(z0, z1)))
ACTIVE(cons(add(z0, z1), x1)) → c10(CONS(add(z0, active(z1)), x1), ACTIVE(add(z0, z1)))
ACTIVE(cons(dbl(z0), x1)) → c10(CONS(dbl(active(z0)), x1), ACTIVE(dbl(z0)))
ACTIVE(cons(first(z0, z1), x1)) → c10(CONS(first(active(z0), z1), x1), ACTIVE(first(z0, z1)))
ACTIVE(cons(first(z0, z1), x1)) → c10(CONS(first(z0, active(z1)), x1), ACTIVE(first(z0, z1)))
ACTIVE(recip(terms(z0))) → c11(RECIP(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(recip(sqr(s(z0)))) → c11(RECIP(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(recip(dbl(0))) → c11(RECIP(mark(0)), ACTIVE(dbl(0)))
ACTIVE(recip(dbl(s(z0)))) → c11(RECIP(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(recip(add(0, z0))) → c11(RECIP(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(recip(add(s(z0), z1))) → c11(RECIP(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(recip(first(0, z0))) → c11(RECIP(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(recip(first(s(z0), cons(z1, z2)))) → c11(RECIP(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(recip(terms(z0))) → c11(RECIP(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(recip(cons(z0, z1))) → c11(RECIP(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(recip(recip(z0))) → c11(RECIP(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(recip(sqr(z0))) → c11(RECIP(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(recip(s(z0))) → c11(RECIP(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(recip(add(z0, z1))) → c11(RECIP(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(recip(add(z0, z1))) → c11(RECIP(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(recip(dbl(z0))) → c11(RECIP(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(recip(first(z0, z1))) → c11(RECIP(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(recip(first(z0, z1))) → c11(RECIP(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(sqr(terms(z0))) → c12(SQR(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(sqr(sqr(s(z0)))) → c12(SQR(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(sqr(dbl(0))) → c12(SQR(mark(0)), ACTIVE(dbl(0)))
ACTIVE(sqr(dbl(s(z0)))) → c12(SQR(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(sqr(add(0, z0))) → c12(SQR(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(sqr(add(s(z0), z1))) → c12(SQR(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(sqr(first(0, z0))) → c12(SQR(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(sqr(first(s(z0), cons(z1, z2)))) → c12(SQR(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(sqr(terms(z0))) → c12(SQR(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(sqr(cons(z0, z1))) → c12(SQR(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(sqr(recip(z0))) → c12(SQR(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(sqr(sqr(z0))) → c12(SQR(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(sqr(s(z0))) → c12(SQR(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(sqr(add(z0, z1))) → c12(SQR(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(sqr(add(z0, z1))) → c12(SQR(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(sqr(dbl(z0))) → c12(SQR(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(sqr(first(z0, z1))) → c12(SQR(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(sqr(first(z0, z1))) → c12(SQR(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(terms(sqr(0))) → c9(TERMS(mark(0)))
ACTIVE(cons(sqr(0), x1)) → c10(CONS(mark(0), x1))
ACTIVE(recip(sqr(0))) → c11(RECIP(mark(0)))
ACTIVE(sqr(sqr(0))) → c12(SQR(mark(0)))
ACTIVE(s(terms(z0))) → c13(S(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(s(sqr(0))) → c13(S(mark(0)), ACTIVE(sqr(0)))
ACTIVE(s(sqr(s(z0)))) → c13(S(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(s(dbl(0))) → c13(S(mark(0)), ACTIVE(dbl(0)))
ACTIVE(s(dbl(s(z0)))) → c13(S(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(s(add(0, z0))) → c13(S(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(s(add(s(z0), z1))) → c13(S(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(s(first(0, z0))) → c13(S(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(s(first(s(z0), cons(z1, z2)))) → c13(S(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(s(terms(z0))) → c13(S(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(s(cons(z0, z1))) → c13(S(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(s(recip(z0))) → c13(S(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(s(sqr(z0))) → c13(S(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(s(s(z0))) → c13(S(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(s(add(z0, z1))) → c13(S(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(s(add(z0, z1))) → c13(S(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(s(dbl(z0))) → c13(S(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(s(first(z0, z1))) → c13(S(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(s(first(z0, z1))) → c13(S(first(z0, active(z1))), ACTIVE(first(z0, z1)))
S tuples:

ACTIVE(add(z0, z1)) → c14(ADD(active(z0), z1), ACTIVE(z0))
ACTIVE(add(z0, z1)) → c15(ADD(z0, active(z1)), ACTIVE(z1))
ACTIVE(dbl(z0)) → c16(DBL(active(z0)), ACTIVE(z0))
ACTIVE(first(z0, z1)) → c17(FIRST(active(z0), z1), ACTIVE(z0))
ACTIVE(first(z0, z1)) → c18(FIRST(z0, active(z1)), ACTIVE(z1))
TERMS(mark(z0)) → c19(TERMS(z0))
TERMS(ok(z0)) → c20(TERMS(z0))
CONS(mark(z0), z1) → c21(CONS(z0, z1))
CONS(ok(z0), ok(z1)) → c22(CONS(z0, z1))
RECIP(mark(z0)) → c23(RECIP(z0))
RECIP(ok(z0)) → c24(RECIP(z0))
SQR(mark(z0)) → c25(SQR(z0))
SQR(ok(z0)) → c26(SQR(z0))
S(mark(z0)) → c27(S(z0))
S(ok(z0)) → c28(S(z0))
ADD(mark(z0), z1) → c29(ADD(z0, z1))
ADD(z0, mark(z1)) → c30(ADD(z0, z1))
ADD(ok(z0), ok(z1)) → c31(ADD(z0, z1))
DBL(mark(z0)) → c32(DBL(z0))
DBL(ok(z0)) → c33(DBL(z0))
FIRST(mark(z0), z1) → c34(FIRST(z0, z1))
FIRST(z0, mark(z1)) → c35(FIRST(z0, z1))
FIRST(ok(z0), ok(z1)) → c36(FIRST(z0, z1))
PROPER(terms(z0)) → c37(TERMS(proper(z0)), PROPER(z0))
PROPER(cons(z0, z1)) → c38(CONS(proper(z0), proper(z1)), PROPER(z0), PROPER(z1))
PROPER(recip(z0)) → c39(RECIP(proper(z0)), PROPER(z0))
PROPER(sqr(z0)) → c40(SQR(proper(z0)), PROPER(z0))
PROPER(s(z0)) → c41(S(proper(z0)), PROPER(z0))
PROPER(add(z0, z1)) → c43(ADD(proper(z0), proper(z1)), PROPER(z0), PROPER(z1))
PROPER(dbl(z0)) → c44(DBL(proper(z0)), PROPER(z0))
PROPER(first(z0, z1)) → c45(FIRST(proper(z0), proper(z1)), PROPER(z0), PROPER(z1))
TOP(mark(z0)) → c47(TOP(proper(z0)), PROPER(z0))
TOP(ok(z0)) → c48(TOP(active(z0)), ACTIVE(z0))
ACTIVE(dbl(s(z0))) → c4(DBL(z0))
ACTIVE(add(s(z0), z1)) → c6(ADD(z0, z1))
ACTIVE(first(s(z0), cons(z1, z2))) → c1(CONS(z1, first(z0, z2)))
ACTIVE(first(s(z0), cons(z1, z2))) → c1(FIRST(z0, z2))
ACTIVE(terms(z0)) → c1(SQR(z0))
ACTIVE(terms(z0)) → c1(S(z0))
ACTIVE(sqr(s(z0))) → c1(SQR(z0))
ACTIVE(sqr(s(z0))) → c1(DBL(z0))
ACTIVE(terms(terms(z0))) → c9(TERMS(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(terms(sqr(s(z0)))) → c9(TERMS(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(terms(dbl(0))) → c9(TERMS(mark(0)), ACTIVE(dbl(0)))
ACTIVE(terms(dbl(s(z0)))) → c9(TERMS(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(terms(add(0, z0))) → c9(TERMS(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(terms(add(s(z0), z1))) → c9(TERMS(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(terms(first(0, z0))) → c9(TERMS(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(terms(first(s(z0), cons(z1, z2)))) → c9(TERMS(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(terms(terms(z0))) → c9(TERMS(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(terms(cons(z0, z1))) → c9(TERMS(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(terms(recip(z0))) → c9(TERMS(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(terms(sqr(z0))) → c9(TERMS(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(terms(s(z0))) → c9(TERMS(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(terms(add(z0, z1))) → c9(TERMS(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(terms(add(z0, z1))) → c9(TERMS(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(terms(dbl(z0))) → c9(TERMS(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(terms(first(z0, z1))) → c9(TERMS(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(terms(first(z0, z1))) → c9(TERMS(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(cons(terms(z0), x1)) → c10(CONS(mark(cons(recip(sqr(z0)), terms(s(z0)))), x1), ACTIVE(terms(z0)))
ACTIVE(cons(sqr(s(z0)), x1)) → c10(CONS(mark(s(add(sqr(z0), dbl(z0)))), x1), ACTIVE(sqr(s(z0))))
ACTIVE(cons(dbl(0), x1)) → c10(CONS(mark(0), x1), ACTIVE(dbl(0)))
ACTIVE(cons(dbl(s(z0)), x1)) → c10(CONS(mark(s(s(dbl(z0)))), x1), ACTIVE(dbl(s(z0))))
ACTIVE(cons(add(0, z0), x1)) → c10(CONS(mark(z0), x1), ACTIVE(add(0, z0)))
ACTIVE(cons(add(s(z0), z1), x1)) → c10(CONS(mark(s(add(z0, z1))), x1), ACTIVE(add(s(z0), z1)))
ACTIVE(cons(first(0, z0), x1)) → c10(CONS(mark(nil), x1), ACTIVE(first(0, z0)))
ACTIVE(cons(first(s(z0), cons(z1, z2)), x1)) → c10(CONS(mark(cons(z1, first(z0, z2))), x1), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(cons(terms(z0), x1)) → c10(CONS(terms(active(z0)), x1), ACTIVE(terms(z0)))
ACTIVE(cons(cons(z0, z1), x1)) → c10(CONS(cons(active(z0), z1), x1), ACTIVE(cons(z0, z1)))
ACTIVE(cons(recip(z0), x1)) → c10(CONS(recip(active(z0)), x1), ACTIVE(recip(z0)))
ACTIVE(cons(sqr(z0), x1)) → c10(CONS(sqr(active(z0)), x1), ACTIVE(sqr(z0)))
ACTIVE(cons(s(z0), x1)) → c10(CONS(s(active(z0)), x1), ACTIVE(s(z0)))
ACTIVE(cons(add(z0, z1), x1)) → c10(CONS(add(active(z0), z1), x1), ACTIVE(add(z0, z1)))
ACTIVE(cons(add(z0, z1), x1)) → c10(CONS(add(z0, active(z1)), x1), ACTIVE(add(z0, z1)))
ACTIVE(cons(dbl(z0), x1)) → c10(CONS(dbl(active(z0)), x1), ACTIVE(dbl(z0)))
ACTIVE(cons(first(z0, z1), x1)) → c10(CONS(first(active(z0), z1), x1), ACTIVE(first(z0, z1)))
ACTIVE(cons(first(z0, z1), x1)) → c10(CONS(first(z0, active(z1)), x1), ACTIVE(first(z0, z1)))
ACTIVE(recip(terms(z0))) → c11(RECIP(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(recip(sqr(s(z0)))) → c11(RECIP(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(recip(dbl(0))) → c11(RECIP(mark(0)), ACTIVE(dbl(0)))
ACTIVE(recip(dbl(s(z0)))) → c11(RECIP(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(recip(add(0, z0))) → c11(RECIP(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(recip(add(s(z0), z1))) → c11(RECIP(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(recip(first(0, z0))) → c11(RECIP(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(recip(first(s(z0), cons(z1, z2)))) → c11(RECIP(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(recip(terms(z0))) → c11(RECIP(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(recip(cons(z0, z1))) → c11(RECIP(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(recip(recip(z0))) → c11(RECIP(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(recip(sqr(z0))) → c11(RECIP(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(recip(s(z0))) → c11(RECIP(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(recip(add(z0, z1))) → c11(RECIP(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(recip(add(z0, z1))) → c11(RECIP(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(recip(dbl(z0))) → c11(RECIP(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(recip(first(z0, z1))) → c11(RECIP(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(recip(first(z0, z1))) → c11(RECIP(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(sqr(terms(z0))) → c12(SQR(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(sqr(sqr(s(z0)))) → c12(SQR(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(sqr(dbl(0))) → c12(SQR(mark(0)), ACTIVE(dbl(0)))
ACTIVE(sqr(dbl(s(z0)))) → c12(SQR(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(sqr(add(0, z0))) → c12(SQR(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(sqr(add(s(z0), z1))) → c12(SQR(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(sqr(first(0, z0))) → c12(SQR(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(sqr(first(s(z0), cons(z1, z2)))) → c12(SQR(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(sqr(terms(z0))) → c12(SQR(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(sqr(cons(z0, z1))) → c12(SQR(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(sqr(recip(z0))) → c12(SQR(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(sqr(sqr(z0))) → c12(SQR(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(sqr(s(z0))) → c12(SQR(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(sqr(add(z0, z1))) → c12(SQR(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(sqr(add(z0, z1))) → c12(SQR(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(sqr(dbl(z0))) → c12(SQR(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(sqr(first(z0, z1))) → c12(SQR(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(sqr(first(z0, z1))) → c12(SQR(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(terms(sqr(0))) → c9(TERMS(mark(0)))
ACTIVE(cons(sqr(0), x1)) → c10(CONS(mark(0), x1))
ACTIVE(recip(sqr(0))) → c11(RECIP(mark(0)))
ACTIVE(sqr(sqr(0))) → c12(SQR(mark(0)))
ACTIVE(s(terms(z0))) → c13(S(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(s(sqr(0))) → c13(S(mark(0)), ACTIVE(sqr(0)))
ACTIVE(s(sqr(s(z0)))) → c13(S(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(s(dbl(0))) → c13(S(mark(0)), ACTIVE(dbl(0)))
ACTIVE(s(dbl(s(z0)))) → c13(S(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(s(add(0, z0))) → c13(S(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(s(add(s(z0), z1))) → c13(S(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(s(first(0, z0))) → c13(S(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(s(first(s(z0), cons(z1, z2)))) → c13(S(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(s(terms(z0))) → c13(S(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(s(cons(z0, z1))) → c13(S(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(s(recip(z0))) → c13(S(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(s(sqr(z0))) → c13(S(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(s(s(z0))) → c13(S(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(s(add(z0, z1))) → c13(S(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(s(add(z0, z1))) → c13(S(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(s(dbl(z0))) → c13(S(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(s(first(z0, z1))) → c13(S(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(s(first(z0, z1))) → c13(S(first(z0, active(z1))), ACTIVE(first(z0, z1)))
K tuples:none
Defined Rule Symbols:

active, cons, first, terms, recip, sqr, s, add, dbl, proper

Defined Pair Symbols:

ACTIVE, TERMS, CONS, RECIP, SQR, S, ADD, DBL, FIRST, PROPER, TOP

Compound Symbols:

c14, c15, c16, c17, c18, c19, c20, c21, c22, c23, c24, c25, c26, c27, c28, c29, c30, c31, c32, c33, c34, c35, c36, c37, c38, c39, c40, c41, c43, c44, c45, c47, c48, c4, c6, c1, c9, c10, c11, c12, c9, c10, c11, c12, c13

(23) CdtRhsSimplificationProcessorProof (BOTH BOUNDS(ID, ID) transformation)

Removed 1 trailing tuple parts

(24) Obligation:

Complexity Dependency Tuples Problem
Rules:

active(terms(z0)) → mark(cons(recip(sqr(z0)), terms(s(z0))))
active(sqr(0)) → mark(0)
active(sqr(s(z0))) → mark(s(add(sqr(z0), dbl(z0))))
active(dbl(0)) → mark(0)
active(dbl(s(z0))) → mark(s(s(dbl(z0))))
active(add(0, z0)) → mark(z0)
active(add(s(z0), z1)) → mark(s(add(z0, z1)))
active(first(0, z0)) → mark(nil)
active(first(s(z0), cons(z1, z2))) → mark(cons(z1, first(z0, z2)))
active(terms(z0)) → terms(active(z0))
active(cons(z0, z1)) → cons(active(z0), z1)
active(recip(z0)) → recip(active(z0))
active(sqr(z0)) → sqr(active(z0))
active(s(z0)) → s(active(z0))
active(add(z0, z1)) → add(active(z0), z1)
active(add(z0, z1)) → add(z0, active(z1))
active(dbl(z0)) → dbl(active(z0))
active(first(z0, z1)) → first(active(z0), z1)
active(first(z0, z1)) → first(z0, active(z1))
cons(ok(z0), ok(z1)) → ok(cons(z0, z1))
cons(mark(z0), z1) → mark(cons(z0, z1))
first(z0, mark(z1)) → mark(first(z0, z1))
first(mark(z0), z1) → mark(first(z0, z1))
first(ok(z0), ok(z1)) → ok(first(z0, z1))
terms(mark(z0)) → mark(terms(z0))
terms(ok(z0)) → ok(terms(z0))
recip(mark(z0)) → mark(recip(z0))
recip(ok(z0)) → ok(recip(z0))
sqr(mark(z0)) → mark(sqr(z0))
sqr(ok(z0)) → ok(sqr(z0))
s(mark(z0)) → mark(s(z0))
s(ok(z0)) → ok(s(z0))
add(mark(z0), z1) → mark(add(z0, z1))
add(ok(z0), ok(z1)) → ok(add(z0, z1))
add(z0, mark(z1)) → mark(add(z0, z1))
dbl(mark(z0)) → mark(dbl(z0))
dbl(ok(z0)) → ok(dbl(z0))
proper(terms(z0)) → terms(proper(z0))
proper(cons(z0, z1)) → cons(proper(z0), proper(z1))
proper(recip(z0)) → recip(proper(z0))
proper(sqr(z0)) → sqr(proper(z0))
proper(s(z0)) → s(proper(z0))
proper(0) → ok(0)
proper(add(z0, z1)) → add(proper(z0), proper(z1))
proper(dbl(z0)) → dbl(proper(z0))
proper(first(z0, z1)) → first(proper(z0), proper(z1))
proper(nil) → ok(nil)
Tuples:

ACTIVE(add(z0, z1)) → c14(ADD(active(z0), z1), ACTIVE(z0))
ACTIVE(add(z0, z1)) → c15(ADD(z0, active(z1)), ACTIVE(z1))
ACTIVE(dbl(z0)) → c16(DBL(active(z0)), ACTIVE(z0))
ACTIVE(first(z0, z1)) → c17(FIRST(active(z0), z1), ACTIVE(z0))
ACTIVE(first(z0, z1)) → c18(FIRST(z0, active(z1)), ACTIVE(z1))
TERMS(mark(z0)) → c19(TERMS(z0))
TERMS(ok(z0)) → c20(TERMS(z0))
CONS(mark(z0), z1) → c21(CONS(z0, z1))
CONS(ok(z0), ok(z1)) → c22(CONS(z0, z1))
RECIP(mark(z0)) → c23(RECIP(z0))
RECIP(ok(z0)) → c24(RECIP(z0))
SQR(mark(z0)) → c25(SQR(z0))
SQR(ok(z0)) → c26(SQR(z0))
S(mark(z0)) → c27(S(z0))
S(ok(z0)) → c28(S(z0))
ADD(mark(z0), z1) → c29(ADD(z0, z1))
ADD(z0, mark(z1)) → c30(ADD(z0, z1))
ADD(ok(z0), ok(z1)) → c31(ADD(z0, z1))
DBL(mark(z0)) → c32(DBL(z0))
DBL(ok(z0)) → c33(DBL(z0))
FIRST(mark(z0), z1) → c34(FIRST(z0, z1))
FIRST(z0, mark(z1)) → c35(FIRST(z0, z1))
FIRST(ok(z0), ok(z1)) → c36(FIRST(z0, z1))
PROPER(terms(z0)) → c37(TERMS(proper(z0)), PROPER(z0))
PROPER(cons(z0, z1)) → c38(CONS(proper(z0), proper(z1)), PROPER(z0), PROPER(z1))
PROPER(recip(z0)) → c39(RECIP(proper(z0)), PROPER(z0))
PROPER(sqr(z0)) → c40(SQR(proper(z0)), PROPER(z0))
PROPER(s(z0)) → c41(S(proper(z0)), PROPER(z0))
PROPER(add(z0, z1)) → c43(ADD(proper(z0), proper(z1)), PROPER(z0), PROPER(z1))
PROPER(dbl(z0)) → c44(DBL(proper(z0)), PROPER(z0))
PROPER(first(z0, z1)) → c45(FIRST(proper(z0), proper(z1)), PROPER(z0), PROPER(z1))
TOP(mark(z0)) → c47(TOP(proper(z0)), PROPER(z0))
TOP(ok(z0)) → c48(TOP(active(z0)), ACTIVE(z0))
ACTIVE(dbl(s(z0))) → c4(DBL(z0))
ACTIVE(add(s(z0), z1)) → c6(ADD(z0, z1))
ACTIVE(first(s(z0), cons(z1, z2))) → c1(CONS(z1, first(z0, z2)))
ACTIVE(first(s(z0), cons(z1, z2))) → c1(FIRST(z0, z2))
ACTIVE(terms(z0)) → c1(SQR(z0))
ACTIVE(terms(z0)) → c1(S(z0))
ACTIVE(sqr(s(z0))) → c1(SQR(z0))
ACTIVE(sqr(s(z0))) → c1(DBL(z0))
ACTIVE(terms(terms(z0))) → c9(TERMS(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(terms(sqr(s(z0)))) → c9(TERMS(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(terms(dbl(0))) → c9(TERMS(mark(0)), ACTIVE(dbl(0)))
ACTIVE(terms(dbl(s(z0)))) → c9(TERMS(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(terms(add(0, z0))) → c9(TERMS(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(terms(add(s(z0), z1))) → c9(TERMS(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(terms(first(0, z0))) → c9(TERMS(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(terms(first(s(z0), cons(z1, z2)))) → c9(TERMS(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(terms(terms(z0))) → c9(TERMS(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(terms(cons(z0, z1))) → c9(TERMS(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(terms(recip(z0))) → c9(TERMS(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(terms(sqr(z0))) → c9(TERMS(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(terms(s(z0))) → c9(TERMS(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(terms(add(z0, z1))) → c9(TERMS(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(terms(add(z0, z1))) → c9(TERMS(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(terms(dbl(z0))) → c9(TERMS(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(terms(first(z0, z1))) → c9(TERMS(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(terms(first(z0, z1))) → c9(TERMS(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(cons(terms(z0), x1)) → c10(CONS(mark(cons(recip(sqr(z0)), terms(s(z0)))), x1), ACTIVE(terms(z0)))
ACTIVE(cons(sqr(s(z0)), x1)) → c10(CONS(mark(s(add(sqr(z0), dbl(z0)))), x1), ACTIVE(sqr(s(z0))))
ACTIVE(cons(dbl(0), x1)) → c10(CONS(mark(0), x1), ACTIVE(dbl(0)))
ACTIVE(cons(dbl(s(z0)), x1)) → c10(CONS(mark(s(s(dbl(z0)))), x1), ACTIVE(dbl(s(z0))))
ACTIVE(cons(add(0, z0), x1)) → c10(CONS(mark(z0), x1), ACTIVE(add(0, z0)))
ACTIVE(cons(add(s(z0), z1), x1)) → c10(CONS(mark(s(add(z0, z1))), x1), ACTIVE(add(s(z0), z1)))
ACTIVE(cons(first(0, z0), x1)) → c10(CONS(mark(nil), x1), ACTIVE(first(0, z0)))
ACTIVE(cons(first(s(z0), cons(z1, z2)), x1)) → c10(CONS(mark(cons(z1, first(z0, z2))), x1), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(cons(terms(z0), x1)) → c10(CONS(terms(active(z0)), x1), ACTIVE(terms(z0)))
ACTIVE(cons(cons(z0, z1), x1)) → c10(CONS(cons(active(z0), z1), x1), ACTIVE(cons(z0, z1)))
ACTIVE(cons(recip(z0), x1)) → c10(CONS(recip(active(z0)), x1), ACTIVE(recip(z0)))
ACTIVE(cons(sqr(z0), x1)) → c10(CONS(sqr(active(z0)), x1), ACTIVE(sqr(z0)))
ACTIVE(cons(s(z0), x1)) → c10(CONS(s(active(z0)), x1), ACTIVE(s(z0)))
ACTIVE(cons(add(z0, z1), x1)) → c10(CONS(add(active(z0), z1), x1), ACTIVE(add(z0, z1)))
ACTIVE(cons(add(z0, z1), x1)) → c10(CONS(add(z0, active(z1)), x1), ACTIVE(add(z0, z1)))
ACTIVE(cons(dbl(z0), x1)) → c10(CONS(dbl(active(z0)), x1), ACTIVE(dbl(z0)))
ACTIVE(cons(first(z0, z1), x1)) → c10(CONS(first(active(z0), z1), x1), ACTIVE(first(z0, z1)))
ACTIVE(cons(first(z0, z1), x1)) → c10(CONS(first(z0, active(z1)), x1), ACTIVE(first(z0, z1)))
ACTIVE(recip(terms(z0))) → c11(RECIP(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(recip(sqr(s(z0)))) → c11(RECIP(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(recip(dbl(0))) → c11(RECIP(mark(0)), ACTIVE(dbl(0)))
ACTIVE(recip(dbl(s(z0)))) → c11(RECIP(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(recip(add(0, z0))) → c11(RECIP(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(recip(add(s(z0), z1))) → c11(RECIP(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(recip(first(0, z0))) → c11(RECIP(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(recip(first(s(z0), cons(z1, z2)))) → c11(RECIP(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(recip(terms(z0))) → c11(RECIP(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(recip(cons(z0, z1))) → c11(RECIP(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(recip(recip(z0))) → c11(RECIP(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(recip(sqr(z0))) → c11(RECIP(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(recip(s(z0))) → c11(RECIP(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(recip(add(z0, z1))) → c11(RECIP(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(recip(add(z0, z1))) → c11(RECIP(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(recip(dbl(z0))) → c11(RECIP(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(recip(first(z0, z1))) → c11(RECIP(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(recip(first(z0, z1))) → c11(RECIP(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(sqr(terms(z0))) → c12(SQR(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(sqr(sqr(s(z0)))) → c12(SQR(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(sqr(dbl(0))) → c12(SQR(mark(0)), ACTIVE(dbl(0)))
ACTIVE(sqr(dbl(s(z0)))) → c12(SQR(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(sqr(add(0, z0))) → c12(SQR(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(sqr(add(s(z0), z1))) → c12(SQR(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(sqr(first(0, z0))) → c12(SQR(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(sqr(first(s(z0), cons(z1, z2)))) → c12(SQR(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(sqr(terms(z0))) → c12(SQR(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(sqr(cons(z0, z1))) → c12(SQR(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(sqr(recip(z0))) → c12(SQR(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(sqr(sqr(z0))) → c12(SQR(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(sqr(s(z0))) → c12(SQR(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(sqr(add(z0, z1))) → c12(SQR(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(sqr(add(z0, z1))) → c12(SQR(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(sqr(dbl(z0))) → c12(SQR(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(sqr(first(z0, z1))) → c12(SQR(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(sqr(first(z0, z1))) → c12(SQR(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(terms(sqr(0))) → c9(TERMS(mark(0)))
ACTIVE(cons(sqr(0), x1)) → c10(CONS(mark(0), x1))
ACTIVE(recip(sqr(0))) → c11(RECIP(mark(0)))
ACTIVE(sqr(sqr(0))) → c12(SQR(mark(0)))
ACTIVE(s(terms(z0))) → c13(S(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(s(sqr(s(z0)))) → c13(S(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(s(dbl(0))) → c13(S(mark(0)), ACTIVE(dbl(0)))
ACTIVE(s(dbl(s(z0)))) → c13(S(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(s(add(0, z0))) → c13(S(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(s(add(s(z0), z1))) → c13(S(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(s(first(0, z0))) → c13(S(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(s(first(s(z0), cons(z1, z2)))) → c13(S(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(s(terms(z0))) → c13(S(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(s(cons(z0, z1))) → c13(S(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(s(recip(z0))) → c13(S(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(s(sqr(z0))) → c13(S(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(s(s(z0))) → c13(S(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(s(add(z0, z1))) → c13(S(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(s(add(z0, z1))) → c13(S(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(s(dbl(z0))) → c13(S(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(s(first(z0, z1))) → c13(S(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(s(first(z0, z1))) → c13(S(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(s(sqr(0))) → c13(S(mark(0)))
S tuples:

ACTIVE(add(z0, z1)) → c14(ADD(active(z0), z1), ACTIVE(z0))
ACTIVE(add(z0, z1)) → c15(ADD(z0, active(z1)), ACTIVE(z1))
ACTIVE(dbl(z0)) → c16(DBL(active(z0)), ACTIVE(z0))
ACTIVE(first(z0, z1)) → c17(FIRST(active(z0), z1), ACTIVE(z0))
ACTIVE(first(z0, z1)) → c18(FIRST(z0, active(z1)), ACTIVE(z1))
TERMS(mark(z0)) → c19(TERMS(z0))
TERMS(ok(z0)) → c20(TERMS(z0))
CONS(mark(z0), z1) → c21(CONS(z0, z1))
CONS(ok(z0), ok(z1)) → c22(CONS(z0, z1))
RECIP(mark(z0)) → c23(RECIP(z0))
RECIP(ok(z0)) → c24(RECIP(z0))
SQR(mark(z0)) → c25(SQR(z0))
SQR(ok(z0)) → c26(SQR(z0))
S(mark(z0)) → c27(S(z0))
S(ok(z0)) → c28(S(z0))
ADD(mark(z0), z1) → c29(ADD(z0, z1))
ADD(z0, mark(z1)) → c30(ADD(z0, z1))
ADD(ok(z0), ok(z1)) → c31(ADD(z0, z1))
DBL(mark(z0)) → c32(DBL(z0))
DBL(ok(z0)) → c33(DBL(z0))
FIRST(mark(z0), z1) → c34(FIRST(z0, z1))
FIRST(z0, mark(z1)) → c35(FIRST(z0, z1))
FIRST(ok(z0), ok(z1)) → c36(FIRST(z0, z1))
PROPER(terms(z0)) → c37(TERMS(proper(z0)), PROPER(z0))
PROPER(cons(z0, z1)) → c38(CONS(proper(z0), proper(z1)), PROPER(z0), PROPER(z1))
PROPER(recip(z0)) → c39(RECIP(proper(z0)), PROPER(z0))
PROPER(sqr(z0)) → c40(SQR(proper(z0)), PROPER(z0))
PROPER(s(z0)) → c41(S(proper(z0)), PROPER(z0))
PROPER(add(z0, z1)) → c43(ADD(proper(z0), proper(z1)), PROPER(z0), PROPER(z1))
PROPER(dbl(z0)) → c44(DBL(proper(z0)), PROPER(z0))
PROPER(first(z0, z1)) → c45(FIRST(proper(z0), proper(z1)), PROPER(z0), PROPER(z1))
TOP(mark(z0)) → c47(TOP(proper(z0)), PROPER(z0))
TOP(ok(z0)) → c48(TOP(active(z0)), ACTIVE(z0))
ACTIVE(dbl(s(z0))) → c4(DBL(z0))
ACTIVE(add(s(z0), z1)) → c6(ADD(z0, z1))
ACTIVE(first(s(z0), cons(z1, z2))) → c1(CONS(z1, first(z0, z2)))
ACTIVE(first(s(z0), cons(z1, z2))) → c1(FIRST(z0, z2))
ACTIVE(terms(z0)) → c1(SQR(z0))
ACTIVE(terms(z0)) → c1(S(z0))
ACTIVE(sqr(s(z0))) → c1(SQR(z0))
ACTIVE(sqr(s(z0))) → c1(DBL(z0))
ACTIVE(terms(terms(z0))) → c9(TERMS(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(terms(sqr(s(z0)))) → c9(TERMS(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(terms(dbl(0))) → c9(TERMS(mark(0)), ACTIVE(dbl(0)))
ACTIVE(terms(dbl(s(z0)))) → c9(TERMS(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(terms(add(0, z0))) → c9(TERMS(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(terms(add(s(z0), z1))) → c9(TERMS(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(terms(first(0, z0))) → c9(TERMS(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(terms(first(s(z0), cons(z1, z2)))) → c9(TERMS(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(terms(terms(z0))) → c9(TERMS(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(terms(cons(z0, z1))) → c9(TERMS(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(terms(recip(z0))) → c9(TERMS(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(terms(sqr(z0))) → c9(TERMS(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(terms(s(z0))) → c9(TERMS(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(terms(add(z0, z1))) → c9(TERMS(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(terms(add(z0, z1))) → c9(TERMS(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(terms(dbl(z0))) → c9(TERMS(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(terms(first(z0, z1))) → c9(TERMS(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(terms(first(z0, z1))) → c9(TERMS(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(cons(terms(z0), x1)) → c10(CONS(mark(cons(recip(sqr(z0)), terms(s(z0)))), x1), ACTIVE(terms(z0)))
ACTIVE(cons(sqr(s(z0)), x1)) → c10(CONS(mark(s(add(sqr(z0), dbl(z0)))), x1), ACTIVE(sqr(s(z0))))
ACTIVE(cons(dbl(0), x1)) → c10(CONS(mark(0), x1), ACTIVE(dbl(0)))
ACTIVE(cons(dbl(s(z0)), x1)) → c10(CONS(mark(s(s(dbl(z0)))), x1), ACTIVE(dbl(s(z0))))
ACTIVE(cons(add(0, z0), x1)) → c10(CONS(mark(z0), x1), ACTIVE(add(0, z0)))
ACTIVE(cons(add(s(z0), z1), x1)) → c10(CONS(mark(s(add(z0, z1))), x1), ACTIVE(add(s(z0), z1)))
ACTIVE(cons(first(0, z0), x1)) → c10(CONS(mark(nil), x1), ACTIVE(first(0, z0)))
ACTIVE(cons(first(s(z0), cons(z1, z2)), x1)) → c10(CONS(mark(cons(z1, first(z0, z2))), x1), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(cons(terms(z0), x1)) → c10(CONS(terms(active(z0)), x1), ACTIVE(terms(z0)))
ACTIVE(cons(cons(z0, z1), x1)) → c10(CONS(cons(active(z0), z1), x1), ACTIVE(cons(z0, z1)))
ACTIVE(cons(recip(z0), x1)) → c10(CONS(recip(active(z0)), x1), ACTIVE(recip(z0)))
ACTIVE(cons(sqr(z0), x1)) → c10(CONS(sqr(active(z0)), x1), ACTIVE(sqr(z0)))
ACTIVE(cons(s(z0), x1)) → c10(CONS(s(active(z0)), x1), ACTIVE(s(z0)))
ACTIVE(cons(add(z0, z1), x1)) → c10(CONS(add(active(z0), z1), x1), ACTIVE(add(z0, z1)))
ACTIVE(cons(add(z0, z1), x1)) → c10(CONS(add(z0, active(z1)), x1), ACTIVE(add(z0, z1)))
ACTIVE(cons(dbl(z0), x1)) → c10(CONS(dbl(active(z0)), x1), ACTIVE(dbl(z0)))
ACTIVE(cons(first(z0, z1), x1)) → c10(CONS(first(active(z0), z1), x1), ACTIVE(first(z0, z1)))
ACTIVE(cons(first(z0, z1), x1)) → c10(CONS(first(z0, active(z1)), x1), ACTIVE(first(z0, z1)))
ACTIVE(recip(terms(z0))) → c11(RECIP(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(recip(sqr(s(z0)))) → c11(RECIP(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(recip(dbl(0))) → c11(RECIP(mark(0)), ACTIVE(dbl(0)))
ACTIVE(recip(dbl(s(z0)))) → c11(RECIP(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(recip(add(0, z0))) → c11(RECIP(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(recip(add(s(z0), z1))) → c11(RECIP(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(recip(first(0, z0))) → c11(RECIP(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(recip(first(s(z0), cons(z1, z2)))) → c11(RECIP(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(recip(terms(z0))) → c11(RECIP(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(recip(cons(z0, z1))) → c11(RECIP(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(recip(recip(z0))) → c11(RECIP(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(recip(sqr(z0))) → c11(RECIP(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(recip(s(z0))) → c11(RECIP(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(recip(add(z0, z1))) → c11(RECIP(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(recip(add(z0, z1))) → c11(RECIP(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(recip(dbl(z0))) → c11(RECIP(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(recip(first(z0, z1))) → c11(RECIP(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(recip(first(z0, z1))) → c11(RECIP(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(sqr(terms(z0))) → c12(SQR(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(sqr(sqr(s(z0)))) → c12(SQR(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(sqr(dbl(0))) → c12(SQR(mark(0)), ACTIVE(dbl(0)))
ACTIVE(sqr(dbl(s(z0)))) → c12(SQR(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(sqr(add(0, z0))) → c12(SQR(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(sqr(add(s(z0), z1))) → c12(SQR(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(sqr(first(0, z0))) → c12(SQR(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(sqr(first(s(z0), cons(z1, z2)))) → c12(SQR(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(sqr(terms(z0))) → c12(SQR(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(sqr(cons(z0, z1))) → c12(SQR(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(sqr(recip(z0))) → c12(SQR(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(sqr(sqr(z0))) → c12(SQR(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(sqr(s(z0))) → c12(SQR(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(sqr(add(z0, z1))) → c12(SQR(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(sqr(add(z0, z1))) → c12(SQR(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(sqr(dbl(z0))) → c12(SQR(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(sqr(first(z0, z1))) → c12(SQR(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(sqr(first(z0, z1))) → c12(SQR(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(terms(sqr(0))) → c9(TERMS(mark(0)))
ACTIVE(cons(sqr(0), x1)) → c10(CONS(mark(0), x1))
ACTIVE(recip(sqr(0))) → c11(RECIP(mark(0)))
ACTIVE(sqr(sqr(0))) → c12(SQR(mark(0)))
ACTIVE(s(terms(z0))) → c13(S(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(s(sqr(s(z0)))) → c13(S(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(s(dbl(0))) → c13(S(mark(0)), ACTIVE(dbl(0)))
ACTIVE(s(dbl(s(z0)))) → c13(S(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(s(add(0, z0))) → c13(S(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(s(add(s(z0), z1))) → c13(S(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(s(first(0, z0))) → c13(S(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(s(first(s(z0), cons(z1, z2)))) → c13(S(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(s(terms(z0))) → c13(S(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(s(cons(z0, z1))) → c13(S(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(s(recip(z0))) → c13(S(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(s(sqr(z0))) → c13(S(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(s(s(z0))) → c13(S(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(s(add(z0, z1))) → c13(S(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(s(add(z0, z1))) → c13(S(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(s(dbl(z0))) → c13(S(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(s(first(z0, z1))) → c13(S(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(s(first(z0, z1))) → c13(S(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(s(sqr(0))) → c13(S(mark(0)))
K tuples:none
Defined Rule Symbols:

active, cons, first, terms, recip, sqr, s, add, dbl, proper

Defined Pair Symbols:

ACTIVE, TERMS, CONS, RECIP, SQR, S, ADD, DBL, FIRST, PROPER, TOP

Compound Symbols:

c14, c15, c16, c17, c18, c19, c20, c21, c22, c23, c24, c25, c26, c27, c28, c29, c30, c31, c32, c33, c34, c35, c36, c37, c38, c39, c40, c41, c43, c44, c45, c47, c48, c4, c6, c1, c9, c10, c11, c12, c9, c10, c11, c12, c13, c13

(25) CdtNarrowingProof (BOTH BOUNDS(ID, ID) transformation)

Use narrowing to replace ACTIVE(dbl(z0)) → c16(DBL(active(z0)), ACTIVE(z0)) by

ACTIVE(dbl(terms(z0))) → c16(DBL(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(dbl(sqr(0))) → c16(DBL(mark(0)), ACTIVE(sqr(0)))
ACTIVE(dbl(sqr(s(z0)))) → c16(DBL(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(dbl(dbl(0))) → c16(DBL(mark(0)), ACTIVE(dbl(0)))
ACTIVE(dbl(dbl(s(z0)))) → c16(DBL(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(dbl(add(0, z0))) → c16(DBL(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(dbl(add(s(z0), z1))) → c16(DBL(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(dbl(first(0, z0))) → c16(DBL(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(dbl(first(s(z0), cons(z1, z2)))) → c16(DBL(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(dbl(terms(z0))) → c16(DBL(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(dbl(cons(z0, z1))) → c16(DBL(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(dbl(recip(z0))) → c16(DBL(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(dbl(sqr(z0))) → c16(DBL(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(dbl(s(z0))) → c16(DBL(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(dbl(add(z0, z1))) → c16(DBL(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(dbl(add(z0, z1))) → c16(DBL(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(dbl(dbl(z0))) → c16(DBL(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(dbl(first(z0, z1))) → c16(DBL(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(dbl(first(z0, z1))) → c16(DBL(first(z0, active(z1))), ACTIVE(first(z0, z1)))

(26) Obligation:

Complexity Dependency Tuples Problem
Rules:

active(terms(z0)) → mark(cons(recip(sqr(z0)), terms(s(z0))))
active(sqr(0)) → mark(0)
active(sqr(s(z0))) → mark(s(add(sqr(z0), dbl(z0))))
active(dbl(0)) → mark(0)
active(dbl(s(z0))) → mark(s(s(dbl(z0))))
active(add(0, z0)) → mark(z0)
active(add(s(z0), z1)) → mark(s(add(z0, z1)))
active(first(0, z0)) → mark(nil)
active(first(s(z0), cons(z1, z2))) → mark(cons(z1, first(z0, z2)))
active(terms(z0)) → terms(active(z0))
active(cons(z0, z1)) → cons(active(z0), z1)
active(recip(z0)) → recip(active(z0))
active(sqr(z0)) → sqr(active(z0))
active(s(z0)) → s(active(z0))
active(add(z0, z1)) → add(active(z0), z1)
active(add(z0, z1)) → add(z0, active(z1))
active(dbl(z0)) → dbl(active(z0))
active(first(z0, z1)) → first(active(z0), z1)
active(first(z0, z1)) → first(z0, active(z1))
cons(ok(z0), ok(z1)) → ok(cons(z0, z1))
cons(mark(z0), z1) → mark(cons(z0, z1))
first(z0, mark(z1)) → mark(first(z0, z1))
first(mark(z0), z1) → mark(first(z0, z1))
first(ok(z0), ok(z1)) → ok(first(z0, z1))
terms(mark(z0)) → mark(terms(z0))
terms(ok(z0)) → ok(terms(z0))
recip(mark(z0)) → mark(recip(z0))
recip(ok(z0)) → ok(recip(z0))
sqr(mark(z0)) → mark(sqr(z0))
sqr(ok(z0)) → ok(sqr(z0))
s(mark(z0)) → mark(s(z0))
s(ok(z0)) → ok(s(z0))
add(mark(z0), z1) → mark(add(z0, z1))
add(ok(z0), ok(z1)) → ok(add(z0, z1))
add(z0, mark(z1)) → mark(add(z0, z1))
dbl(mark(z0)) → mark(dbl(z0))
dbl(ok(z0)) → ok(dbl(z0))
proper(terms(z0)) → terms(proper(z0))
proper(cons(z0, z1)) → cons(proper(z0), proper(z1))
proper(recip(z0)) → recip(proper(z0))
proper(sqr(z0)) → sqr(proper(z0))
proper(s(z0)) → s(proper(z0))
proper(0) → ok(0)
proper(add(z0, z1)) → add(proper(z0), proper(z1))
proper(dbl(z0)) → dbl(proper(z0))
proper(first(z0, z1)) → first(proper(z0), proper(z1))
proper(nil) → ok(nil)
Tuples:

ACTIVE(add(z0, z1)) → c14(ADD(active(z0), z1), ACTIVE(z0))
ACTIVE(add(z0, z1)) → c15(ADD(z0, active(z1)), ACTIVE(z1))
ACTIVE(first(z0, z1)) → c17(FIRST(active(z0), z1), ACTIVE(z0))
ACTIVE(first(z0, z1)) → c18(FIRST(z0, active(z1)), ACTIVE(z1))
TERMS(mark(z0)) → c19(TERMS(z0))
TERMS(ok(z0)) → c20(TERMS(z0))
CONS(mark(z0), z1) → c21(CONS(z0, z1))
CONS(ok(z0), ok(z1)) → c22(CONS(z0, z1))
RECIP(mark(z0)) → c23(RECIP(z0))
RECIP(ok(z0)) → c24(RECIP(z0))
SQR(mark(z0)) → c25(SQR(z0))
SQR(ok(z0)) → c26(SQR(z0))
S(mark(z0)) → c27(S(z0))
S(ok(z0)) → c28(S(z0))
ADD(mark(z0), z1) → c29(ADD(z0, z1))
ADD(z0, mark(z1)) → c30(ADD(z0, z1))
ADD(ok(z0), ok(z1)) → c31(ADD(z0, z1))
DBL(mark(z0)) → c32(DBL(z0))
DBL(ok(z0)) → c33(DBL(z0))
FIRST(mark(z0), z1) → c34(FIRST(z0, z1))
FIRST(z0, mark(z1)) → c35(FIRST(z0, z1))
FIRST(ok(z0), ok(z1)) → c36(FIRST(z0, z1))
PROPER(terms(z0)) → c37(TERMS(proper(z0)), PROPER(z0))
PROPER(cons(z0, z1)) → c38(CONS(proper(z0), proper(z1)), PROPER(z0), PROPER(z1))
PROPER(recip(z0)) → c39(RECIP(proper(z0)), PROPER(z0))
PROPER(sqr(z0)) → c40(SQR(proper(z0)), PROPER(z0))
PROPER(s(z0)) → c41(S(proper(z0)), PROPER(z0))
PROPER(add(z0, z1)) → c43(ADD(proper(z0), proper(z1)), PROPER(z0), PROPER(z1))
PROPER(dbl(z0)) → c44(DBL(proper(z0)), PROPER(z0))
PROPER(first(z0, z1)) → c45(FIRST(proper(z0), proper(z1)), PROPER(z0), PROPER(z1))
TOP(mark(z0)) → c47(TOP(proper(z0)), PROPER(z0))
TOP(ok(z0)) → c48(TOP(active(z0)), ACTIVE(z0))
ACTIVE(dbl(s(z0))) → c4(DBL(z0))
ACTIVE(add(s(z0), z1)) → c6(ADD(z0, z1))
ACTIVE(first(s(z0), cons(z1, z2))) → c1(CONS(z1, first(z0, z2)))
ACTIVE(first(s(z0), cons(z1, z2))) → c1(FIRST(z0, z2))
ACTIVE(terms(z0)) → c1(SQR(z0))
ACTIVE(terms(z0)) → c1(S(z0))
ACTIVE(sqr(s(z0))) → c1(SQR(z0))
ACTIVE(sqr(s(z0))) → c1(DBL(z0))
ACTIVE(terms(terms(z0))) → c9(TERMS(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(terms(sqr(s(z0)))) → c9(TERMS(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(terms(dbl(0))) → c9(TERMS(mark(0)), ACTIVE(dbl(0)))
ACTIVE(terms(dbl(s(z0)))) → c9(TERMS(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(terms(add(0, z0))) → c9(TERMS(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(terms(add(s(z0), z1))) → c9(TERMS(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(terms(first(0, z0))) → c9(TERMS(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(terms(first(s(z0), cons(z1, z2)))) → c9(TERMS(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(terms(terms(z0))) → c9(TERMS(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(terms(cons(z0, z1))) → c9(TERMS(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(terms(recip(z0))) → c9(TERMS(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(terms(sqr(z0))) → c9(TERMS(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(terms(s(z0))) → c9(TERMS(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(terms(add(z0, z1))) → c9(TERMS(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(terms(add(z0, z1))) → c9(TERMS(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(terms(dbl(z0))) → c9(TERMS(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(terms(first(z0, z1))) → c9(TERMS(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(terms(first(z0, z1))) → c9(TERMS(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(cons(terms(z0), x1)) → c10(CONS(mark(cons(recip(sqr(z0)), terms(s(z0)))), x1), ACTIVE(terms(z0)))
ACTIVE(cons(sqr(s(z0)), x1)) → c10(CONS(mark(s(add(sqr(z0), dbl(z0)))), x1), ACTIVE(sqr(s(z0))))
ACTIVE(cons(dbl(0), x1)) → c10(CONS(mark(0), x1), ACTIVE(dbl(0)))
ACTIVE(cons(dbl(s(z0)), x1)) → c10(CONS(mark(s(s(dbl(z0)))), x1), ACTIVE(dbl(s(z0))))
ACTIVE(cons(add(0, z0), x1)) → c10(CONS(mark(z0), x1), ACTIVE(add(0, z0)))
ACTIVE(cons(add(s(z0), z1), x1)) → c10(CONS(mark(s(add(z0, z1))), x1), ACTIVE(add(s(z0), z1)))
ACTIVE(cons(first(0, z0), x1)) → c10(CONS(mark(nil), x1), ACTIVE(first(0, z0)))
ACTIVE(cons(first(s(z0), cons(z1, z2)), x1)) → c10(CONS(mark(cons(z1, first(z0, z2))), x1), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(cons(terms(z0), x1)) → c10(CONS(terms(active(z0)), x1), ACTIVE(terms(z0)))
ACTIVE(cons(cons(z0, z1), x1)) → c10(CONS(cons(active(z0), z1), x1), ACTIVE(cons(z0, z1)))
ACTIVE(cons(recip(z0), x1)) → c10(CONS(recip(active(z0)), x1), ACTIVE(recip(z0)))
ACTIVE(cons(sqr(z0), x1)) → c10(CONS(sqr(active(z0)), x1), ACTIVE(sqr(z0)))
ACTIVE(cons(s(z0), x1)) → c10(CONS(s(active(z0)), x1), ACTIVE(s(z0)))
ACTIVE(cons(add(z0, z1), x1)) → c10(CONS(add(active(z0), z1), x1), ACTIVE(add(z0, z1)))
ACTIVE(cons(add(z0, z1), x1)) → c10(CONS(add(z0, active(z1)), x1), ACTIVE(add(z0, z1)))
ACTIVE(cons(dbl(z0), x1)) → c10(CONS(dbl(active(z0)), x1), ACTIVE(dbl(z0)))
ACTIVE(cons(first(z0, z1), x1)) → c10(CONS(first(active(z0), z1), x1), ACTIVE(first(z0, z1)))
ACTIVE(cons(first(z0, z1), x1)) → c10(CONS(first(z0, active(z1)), x1), ACTIVE(first(z0, z1)))
ACTIVE(recip(terms(z0))) → c11(RECIP(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(recip(sqr(s(z0)))) → c11(RECIP(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(recip(dbl(0))) → c11(RECIP(mark(0)), ACTIVE(dbl(0)))
ACTIVE(recip(dbl(s(z0)))) → c11(RECIP(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(recip(add(0, z0))) → c11(RECIP(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(recip(add(s(z0), z1))) → c11(RECIP(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(recip(first(0, z0))) → c11(RECIP(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(recip(first(s(z0), cons(z1, z2)))) → c11(RECIP(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(recip(terms(z0))) → c11(RECIP(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(recip(cons(z0, z1))) → c11(RECIP(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(recip(recip(z0))) → c11(RECIP(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(recip(sqr(z0))) → c11(RECIP(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(recip(s(z0))) → c11(RECIP(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(recip(add(z0, z1))) → c11(RECIP(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(recip(add(z0, z1))) → c11(RECIP(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(recip(dbl(z0))) → c11(RECIP(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(recip(first(z0, z1))) → c11(RECIP(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(recip(first(z0, z1))) → c11(RECIP(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(sqr(terms(z0))) → c12(SQR(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(sqr(sqr(s(z0)))) → c12(SQR(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(sqr(dbl(0))) → c12(SQR(mark(0)), ACTIVE(dbl(0)))
ACTIVE(sqr(dbl(s(z0)))) → c12(SQR(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(sqr(add(0, z0))) → c12(SQR(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(sqr(add(s(z0), z1))) → c12(SQR(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(sqr(first(0, z0))) → c12(SQR(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(sqr(first(s(z0), cons(z1, z2)))) → c12(SQR(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(sqr(terms(z0))) → c12(SQR(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(sqr(cons(z0, z1))) → c12(SQR(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(sqr(recip(z0))) → c12(SQR(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(sqr(sqr(z0))) → c12(SQR(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(sqr(s(z0))) → c12(SQR(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(sqr(add(z0, z1))) → c12(SQR(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(sqr(add(z0, z1))) → c12(SQR(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(sqr(dbl(z0))) → c12(SQR(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(sqr(first(z0, z1))) → c12(SQR(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(sqr(first(z0, z1))) → c12(SQR(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(terms(sqr(0))) → c9(TERMS(mark(0)))
ACTIVE(cons(sqr(0), x1)) → c10(CONS(mark(0), x1))
ACTIVE(recip(sqr(0))) → c11(RECIP(mark(0)))
ACTIVE(sqr(sqr(0))) → c12(SQR(mark(0)))
ACTIVE(s(terms(z0))) → c13(S(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(s(sqr(s(z0)))) → c13(S(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(s(dbl(0))) → c13(S(mark(0)), ACTIVE(dbl(0)))
ACTIVE(s(dbl(s(z0)))) → c13(S(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(s(add(0, z0))) → c13(S(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(s(add(s(z0), z1))) → c13(S(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(s(first(0, z0))) → c13(S(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(s(first(s(z0), cons(z1, z2)))) → c13(S(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(s(terms(z0))) → c13(S(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(s(cons(z0, z1))) → c13(S(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(s(recip(z0))) → c13(S(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(s(sqr(z0))) → c13(S(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(s(s(z0))) → c13(S(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(s(add(z0, z1))) → c13(S(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(s(add(z0, z1))) → c13(S(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(s(dbl(z0))) → c13(S(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(s(first(z0, z1))) → c13(S(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(s(first(z0, z1))) → c13(S(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(s(sqr(0))) → c13(S(mark(0)))
ACTIVE(dbl(terms(z0))) → c16(DBL(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(dbl(sqr(0))) → c16(DBL(mark(0)), ACTIVE(sqr(0)))
ACTIVE(dbl(sqr(s(z0)))) → c16(DBL(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(dbl(dbl(0))) → c16(DBL(mark(0)), ACTIVE(dbl(0)))
ACTIVE(dbl(dbl(s(z0)))) → c16(DBL(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(dbl(add(0, z0))) → c16(DBL(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(dbl(add(s(z0), z1))) → c16(DBL(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(dbl(first(0, z0))) → c16(DBL(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(dbl(first(s(z0), cons(z1, z2)))) → c16(DBL(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(dbl(terms(z0))) → c16(DBL(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(dbl(cons(z0, z1))) → c16(DBL(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(dbl(recip(z0))) → c16(DBL(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(dbl(sqr(z0))) → c16(DBL(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(dbl(s(z0))) → c16(DBL(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(dbl(add(z0, z1))) → c16(DBL(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(dbl(add(z0, z1))) → c16(DBL(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(dbl(dbl(z0))) → c16(DBL(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(dbl(first(z0, z1))) → c16(DBL(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(dbl(first(z0, z1))) → c16(DBL(first(z0, active(z1))), ACTIVE(first(z0, z1)))
S tuples:

ACTIVE(add(z0, z1)) → c14(ADD(active(z0), z1), ACTIVE(z0))
ACTIVE(add(z0, z1)) → c15(ADD(z0, active(z1)), ACTIVE(z1))
ACTIVE(first(z0, z1)) → c17(FIRST(active(z0), z1), ACTIVE(z0))
ACTIVE(first(z0, z1)) → c18(FIRST(z0, active(z1)), ACTIVE(z1))
TERMS(mark(z0)) → c19(TERMS(z0))
TERMS(ok(z0)) → c20(TERMS(z0))
CONS(mark(z0), z1) → c21(CONS(z0, z1))
CONS(ok(z0), ok(z1)) → c22(CONS(z0, z1))
RECIP(mark(z0)) → c23(RECIP(z0))
RECIP(ok(z0)) → c24(RECIP(z0))
SQR(mark(z0)) → c25(SQR(z0))
SQR(ok(z0)) → c26(SQR(z0))
S(mark(z0)) → c27(S(z0))
S(ok(z0)) → c28(S(z0))
ADD(mark(z0), z1) → c29(ADD(z0, z1))
ADD(z0, mark(z1)) → c30(ADD(z0, z1))
ADD(ok(z0), ok(z1)) → c31(ADD(z0, z1))
DBL(mark(z0)) → c32(DBL(z0))
DBL(ok(z0)) → c33(DBL(z0))
FIRST(mark(z0), z1) → c34(FIRST(z0, z1))
FIRST(z0, mark(z1)) → c35(FIRST(z0, z1))
FIRST(ok(z0), ok(z1)) → c36(FIRST(z0, z1))
PROPER(terms(z0)) → c37(TERMS(proper(z0)), PROPER(z0))
PROPER(cons(z0, z1)) → c38(CONS(proper(z0), proper(z1)), PROPER(z0), PROPER(z1))
PROPER(recip(z0)) → c39(RECIP(proper(z0)), PROPER(z0))
PROPER(sqr(z0)) → c40(SQR(proper(z0)), PROPER(z0))
PROPER(s(z0)) → c41(S(proper(z0)), PROPER(z0))
PROPER(add(z0, z1)) → c43(ADD(proper(z0), proper(z1)), PROPER(z0), PROPER(z1))
PROPER(dbl(z0)) → c44(DBL(proper(z0)), PROPER(z0))
PROPER(first(z0, z1)) → c45(FIRST(proper(z0), proper(z1)), PROPER(z0), PROPER(z1))
TOP(mark(z0)) → c47(TOP(proper(z0)), PROPER(z0))
TOP(ok(z0)) → c48(TOP(active(z0)), ACTIVE(z0))
ACTIVE(dbl(s(z0))) → c4(DBL(z0))
ACTIVE(add(s(z0), z1)) → c6(ADD(z0, z1))
ACTIVE(first(s(z0), cons(z1, z2))) → c1(CONS(z1, first(z0, z2)))
ACTIVE(first(s(z0), cons(z1, z2))) → c1(FIRST(z0, z2))
ACTIVE(terms(z0)) → c1(SQR(z0))
ACTIVE(terms(z0)) → c1(S(z0))
ACTIVE(sqr(s(z0))) → c1(SQR(z0))
ACTIVE(sqr(s(z0))) → c1(DBL(z0))
ACTIVE(terms(terms(z0))) → c9(TERMS(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(terms(sqr(s(z0)))) → c9(TERMS(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(terms(dbl(0))) → c9(TERMS(mark(0)), ACTIVE(dbl(0)))
ACTIVE(terms(dbl(s(z0)))) → c9(TERMS(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(terms(add(0, z0))) → c9(TERMS(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(terms(add(s(z0), z1))) → c9(TERMS(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(terms(first(0, z0))) → c9(TERMS(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(terms(first(s(z0), cons(z1, z2)))) → c9(TERMS(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(terms(terms(z0))) → c9(TERMS(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(terms(cons(z0, z1))) → c9(TERMS(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(terms(recip(z0))) → c9(TERMS(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(terms(sqr(z0))) → c9(TERMS(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(terms(s(z0))) → c9(TERMS(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(terms(add(z0, z1))) → c9(TERMS(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(terms(add(z0, z1))) → c9(TERMS(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(terms(dbl(z0))) → c9(TERMS(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(terms(first(z0, z1))) → c9(TERMS(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(terms(first(z0, z1))) → c9(TERMS(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(cons(terms(z0), x1)) → c10(CONS(mark(cons(recip(sqr(z0)), terms(s(z0)))), x1), ACTIVE(terms(z0)))
ACTIVE(cons(sqr(s(z0)), x1)) → c10(CONS(mark(s(add(sqr(z0), dbl(z0)))), x1), ACTIVE(sqr(s(z0))))
ACTIVE(cons(dbl(0), x1)) → c10(CONS(mark(0), x1), ACTIVE(dbl(0)))
ACTIVE(cons(dbl(s(z0)), x1)) → c10(CONS(mark(s(s(dbl(z0)))), x1), ACTIVE(dbl(s(z0))))
ACTIVE(cons(add(0, z0), x1)) → c10(CONS(mark(z0), x1), ACTIVE(add(0, z0)))
ACTIVE(cons(add(s(z0), z1), x1)) → c10(CONS(mark(s(add(z0, z1))), x1), ACTIVE(add(s(z0), z1)))
ACTIVE(cons(first(0, z0), x1)) → c10(CONS(mark(nil), x1), ACTIVE(first(0, z0)))
ACTIVE(cons(first(s(z0), cons(z1, z2)), x1)) → c10(CONS(mark(cons(z1, first(z0, z2))), x1), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(cons(terms(z0), x1)) → c10(CONS(terms(active(z0)), x1), ACTIVE(terms(z0)))
ACTIVE(cons(cons(z0, z1), x1)) → c10(CONS(cons(active(z0), z1), x1), ACTIVE(cons(z0, z1)))
ACTIVE(cons(recip(z0), x1)) → c10(CONS(recip(active(z0)), x1), ACTIVE(recip(z0)))
ACTIVE(cons(sqr(z0), x1)) → c10(CONS(sqr(active(z0)), x1), ACTIVE(sqr(z0)))
ACTIVE(cons(s(z0), x1)) → c10(CONS(s(active(z0)), x1), ACTIVE(s(z0)))
ACTIVE(cons(add(z0, z1), x1)) → c10(CONS(add(active(z0), z1), x1), ACTIVE(add(z0, z1)))
ACTIVE(cons(add(z0, z1), x1)) → c10(CONS(add(z0, active(z1)), x1), ACTIVE(add(z0, z1)))
ACTIVE(cons(dbl(z0), x1)) → c10(CONS(dbl(active(z0)), x1), ACTIVE(dbl(z0)))
ACTIVE(cons(first(z0, z1), x1)) → c10(CONS(first(active(z0), z1), x1), ACTIVE(first(z0, z1)))
ACTIVE(cons(first(z0, z1), x1)) → c10(CONS(first(z0, active(z1)), x1), ACTIVE(first(z0, z1)))
ACTIVE(recip(terms(z0))) → c11(RECIP(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(recip(sqr(s(z0)))) → c11(RECIP(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(recip(dbl(0))) → c11(RECIP(mark(0)), ACTIVE(dbl(0)))
ACTIVE(recip(dbl(s(z0)))) → c11(RECIP(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(recip(add(0, z0))) → c11(RECIP(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(recip(add(s(z0), z1))) → c11(RECIP(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(recip(first(0, z0))) → c11(RECIP(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(recip(first(s(z0), cons(z1, z2)))) → c11(RECIP(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(recip(terms(z0))) → c11(RECIP(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(recip(cons(z0, z1))) → c11(RECIP(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(recip(recip(z0))) → c11(RECIP(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(recip(sqr(z0))) → c11(RECIP(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(recip(s(z0))) → c11(RECIP(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(recip(add(z0, z1))) → c11(RECIP(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(recip(add(z0, z1))) → c11(RECIP(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(recip(dbl(z0))) → c11(RECIP(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(recip(first(z0, z1))) → c11(RECIP(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(recip(first(z0, z1))) → c11(RECIP(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(sqr(terms(z0))) → c12(SQR(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(sqr(sqr(s(z0)))) → c12(SQR(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(sqr(dbl(0))) → c12(SQR(mark(0)), ACTIVE(dbl(0)))
ACTIVE(sqr(dbl(s(z0)))) → c12(SQR(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(sqr(add(0, z0))) → c12(SQR(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(sqr(add(s(z0), z1))) → c12(SQR(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(sqr(first(0, z0))) → c12(SQR(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(sqr(first(s(z0), cons(z1, z2)))) → c12(SQR(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(sqr(terms(z0))) → c12(SQR(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(sqr(cons(z0, z1))) → c12(SQR(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(sqr(recip(z0))) → c12(SQR(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(sqr(sqr(z0))) → c12(SQR(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(sqr(s(z0))) → c12(SQR(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(sqr(add(z0, z1))) → c12(SQR(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(sqr(add(z0, z1))) → c12(SQR(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(sqr(dbl(z0))) → c12(SQR(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(sqr(first(z0, z1))) → c12(SQR(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(sqr(first(z0, z1))) → c12(SQR(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(terms(sqr(0))) → c9(TERMS(mark(0)))
ACTIVE(cons(sqr(0), x1)) → c10(CONS(mark(0), x1))
ACTIVE(recip(sqr(0))) → c11(RECIP(mark(0)))
ACTIVE(sqr(sqr(0))) → c12(SQR(mark(0)))
ACTIVE(s(terms(z0))) → c13(S(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(s(sqr(s(z0)))) → c13(S(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(s(dbl(0))) → c13(S(mark(0)), ACTIVE(dbl(0)))
ACTIVE(s(dbl(s(z0)))) → c13(S(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(s(add(0, z0))) → c13(S(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(s(add(s(z0), z1))) → c13(S(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(s(first(0, z0))) → c13(S(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(s(first(s(z0), cons(z1, z2)))) → c13(S(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(s(terms(z0))) → c13(S(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(s(cons(z0, z1))) → c13(S(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(s(recip(z0))) → c13(S(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(s(sqr(z0))) → c13(S(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(s(s(z0))) → c13(S(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(s(add(z0, z1))) → c13(S(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(s(add(z0, z1))) → c13(S(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(s(dbl(z0))) → c13(S(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(s(first(z0, z1))) → c13(S(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(s(first(z0, z1))) → c13(S(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(s(sqr(0))) → c13(S(mark(0)))
ACTIVE(dbl(terms(z0))) → c16(DBL(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(dbl(sqr(0))) → c16(DBL(mark(0)), ACTIVE(sqr(0)))
ACTIVE(dbl(sqr(s(z0)))) → c16(DBL(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(dbl(dbl(0))) → c16(DBL(mark(0)), ACTIVE(dbl(0)))
ACTIVE(dbl(dbl(s(z0)))) → c16(DBL(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(dbl(add(0, z0))) → c16(DBL(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(dbl(add(s(z0), z1))) → c16(DBL(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(dbl(first(0, z0))) → c16(DBL(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(dbl(first(s(z0), cons(z1, z2)))) → c16(DBL(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(dbl(terms(z0))) → c16(DBL(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(dbl(cons(z0, z1))) → c16(DBL(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(dbl(recip(z0))) → c16(DBL(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(dbl(sqr(z0))) → c16(DBL(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(dbl(s(z0))) → c16(DBL(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(dbl(add(z0, z1))) → c16(DBL(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(dbl(add(z0, z1))) → c16(DBL(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(dbl(dbl(z0))) → c16(DBL(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(dbl(first(z0, z1))) → c16(DBL(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(dbl(first(z0, z1))) → c16(DBL(first(z0, active(z1))), ACTIVE(first(z0, z1)))
K tuples:none
Defined Rule Symbols:

active, cons, first, terms, recip, sqr, s, add, dbl, proper

Defined Pair Symbols:

ACTIVE, TERMS, CONS, RECIP, SQR, S, ADD, DBL, FIRST, PROPER, TOP

Compound Symbols:

c14, c15, c17, c18, c19, c20, c21, c22, c23, c24, c25, c26, c27, c28, c29, c30, c31, c32, c33, c34, c35, c36, c37, c38, c39, c40, c41, c43, c44, c45, c47, c48, c4, c6, c1, c9, c10, c11, c12, c9, c10, c11, c12, c13, c13, c16

(27) CdtRhsSimplificationProcessorProof (BOTH BOUNDS(ID, ID) transformation)

Removed 7 trailing tuple parts

(28) Obligation:

Complexity Dependency Tuples Problem
Rules:

active(terms(z0)) → mark(cons(recip(sqr(z0)), terms(s(z0))))
active(sqr(0)) → mark(0)
active(sqr(s(z0))) → mark(s(add(sqr(z0), dbl(z0))))
active(dbl(0)) → mark(0)
active(dbl(s(z0))) → mark(s(s(dbl(z0))))
active(add(0, z0)) → mark(z0)
active(add(s(z0), z1)) → mark(s(add(z0, z1)))
active(first(0, z0)) → mark(nil)
active(first(s(z0), cons(z1, z2))) → mark(cons(z1, first(z0, z2)))
active(terms(z0)) → terms(active(z0))
active(cons(z0, z1)) → cons(active(z0), z1)
active(recip(z0)) → recip(active(z0))
active(sqr(z0)) → sqr(active(z0))
active(s(z0)) → s(active(z0))
active(add(z0, z1)) → add(active(z0), z1)
active(add(z0, z1)) → add(z0, active(z1))
active(dbl(z0)) → dbl(active(z0))
active(first(z0, z1)) → first(active(z0), z1)
active(first(z0, z1)) → first(z0, active(z1))
cons(ok(z0), ok(z1)) → ok(cons(z0, z1))
cons(mark(z0), z1) → mark(cons(z0, z1))
first(z0, mark(z1)) → mark(first(z0, z1))
first(mark(z0), z1) → mark(first(z0, z1))
first(ok(z0), ok(z1)) → ok(first(z0, z1))
terms(mark(z0)) → mark(terms(z0))
terms(ok(z0)) → ok(terms(z0))
recip(mark(z0)) → mark(recip(z0))
recip(ok(z0)) → ok(recip(z0))
sqr(mark(z0)) → mark(sqr(z0))
sqr(ok(z0)) → ok(sqr(z0))
s(mark(z0)) → mark(s(z0))
s(ok(z0)) → ok(s(z0))
add(mark(z0), z1) → mark(add(z0, z1))
add(ok(z0), ok(z1)) → ok(add(z0, z1))
add(z0, mark(z1)) → mark(add(z0, z1))
dbl(mark(z0)) → mark(dbl(z0))
dbl(ok(z0)) → ok(dbl(z0))
proper(terms(z0)) → terms(proper(z0))
proper(cons(z0, z1)) → cons(proper(z0), proper(z1))
proper(recip(z0)) → recip(proper(z0))
proper(sqr(z0)) → sqr(proper(z0))
proper(s(z0)) → s(proper(z0))
proper(0) → ok(0)
proper(add(z0, z1)) → add(proper(z0), proper(z1))
proper(dbl(z0)) → dbl(proper(z0))
proper(first(z0, z1)) → first(proper(z0), proper(z1))
proper(nil) → ok(nil)
Tuples:

ACTIVE(add(z0, z1)) → c14(ADD(active(z0), z1), ACTIVE(z0))
ACTIVE(add(z0, z1)) → c15(ADD(z0, active(z1)), ACTIVE(z1))
ACTIVE(first(z0, z1)) → c17(FIRST(active(z0), z1), ACTIVE(z0))
ACTIVE(first(z0, z1)) → c18(FIRST(z0, active(z1)), ACTIVE(z1))
TERMS(mark(z0)) → c19(TERMS(z0))
TERMS(ok(z0)) → c20(TERMS(z0))
CONS(mark(z0), z1) → c21(CONS(z0, z1))
CONS(ok(z0), ok(z1)) → c22(CONS(z0, z1))
RECIP(mark(z0)) → c23(RECIP(z0))
RECIP(ok(z0)) → c24(RECIP(z0))
SQR(mark(z0)) → c25(SQR(z0))
SQR(ok(z0)) → c26(SQR(z0))
S(mark(z0)) → c27(S(z0))
S(ok(z0)) → c28(S(z0))
ADD(mark(z0), z1) → c29(ADD(z0, z1))
ADD(z0, mark(z1)) → c30(ADD(z0, z1))
ADD(ok(z0), ok(z1)) → c31(ADD(z0, z1))
DBL(mark(z0)) → c32(DBL(z0))
DBL(ok(z0)) → c33(DBL(z0))
FIRST(mark(z0), z1) → c34(FIRST(z0, z1))
FIRST(z0, mark(z1)) → c35(FIRST(z0, z1))
FIRST(ok(z0), ok(z1)) → c36(FIRST(z0, z1))
PROPER(terms(z0)) → c37(TERMS(proper(z0)), PROPER(z0))
PROPER(cons(z0, z1)) → c38(CONS(proper(z0), proper(z1)), PROPER(z0), PROPER(z1))
PROPER(recip(z0)) → c39(RECIP(proper(z0)), PROPER(z0))
PROPER(sqr(z0)) → c40(SQR(proper(z0)), PROPER(z0))
PROPER(s(z0)) → c41(S(proper(z0)), PROPER(z0))
PROPER(add(z0, z1)) → c43(ADD(proper(z0), proper(z1)), PROPER(z0), PROPER(z1))
PROPER(dbl(z0)) → c44(DBL(proper(z0)), PROPER(z0))
PROPER(first(z0, z1)) → c45(FIRST(proper(z0), proper(z1)), PROPER(z0), PROPER(z1))
TOP(mark(z0)) → c47(TOP(proper(z0)), PROPER(z0))
TOP(ok(z0)) → c48(TOP(active(z0)), ACTIVE(z0))
ACTIVE(dbl(s(z0))) → c4(DBL(z0))
ACTIVE(add(s(z0), z1)) → c6(ADD(z0, z1))
ACTIVE(first(s(z0), cons(z1, z2))) → c1(CONS(z1, first(z0, z2)))
ACTIVE(first(s(z0), cons(z1, z2))) → c1(FIRST(z0, z2))
ACTIVE(terms(z0)) → c1(SQR(z0))
ACTIVE(terms(z0)) → c1(S(z0))
ACTIVE(sqr(s(z0))) → c1(SQR(z0))
ACTIVE(sqr(s(z0))) → c1(DBL(z0))
ACTIVE(terms(terms(z0))) → c9(TERMS(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(terms(sqr(s(z0)))) → c9(TERMS(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(terms(dbl(s(z0)))) → c9(TERMS(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(terms(add(0, z0))) → c9(TERMS(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(terms(add(s(z0), z1))) → c9(TERMS(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(terms(first(0, z0))) → c9(TERMS(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(terms(first(s(z0), cons(z1, z2)))) → c9(TERMS(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(terms(terms(z0))) → c9(TERMS(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(terms(cons(z0, z1))) → c9(TERMS(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(terms(recip(z0))) → c9(TERMS(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(terms(sqr(z0))) → c9(TERMS(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(terms(s(z0))) → c9(TERMS(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(terms(add(z0, z1))) → c9(TERMS(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(terms(add(z0, z1))) → c9(TERMS(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(terms(dbl(z0))) → c9(TERMS(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(terms(first(z0, z1))) → c9(TERMS(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(terms(first(z0, z1))) → c9(TERMS(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(cons(terms(z0), x1)) → c10(CONS(mark(cons(recip(sqr(z0)), terms(s(z0)))), x1), ACTIVE(terms(z0)))
ACTIVE(cons(sqr(s(z0)), x1)) → c10(CONS(mark(s(add(sqr(z0), dbl(z0)))), x1), ACTIVE(sqr(s(z0))))
ACTIVE(cons(dbl(s(z0)), x1)) → c10(CONS(mark(s(s(dbl(z0)))), x1), ACTIVE(dbl(s(z0))))
ACTIVE(cons(add(0, z0), x1)) → c10(CONS(mark(z0), x1), ACTIVE(add(0, z0)))
ACTIVE(cons(add(s(z0), z1), x1)) → c10(CONS(mark(s(add(z0, z1))), x1), ACTIVE(add(s(z0), z1)))
ACTIVE(cons(first(0, z0), x1)) → c10(CONS(mark(nil), x1), ACTIVE(first(0, z0)))
ACTIVE(cons(first(s(z0), cons(z1, z2)), x1)) → c10(CONS(mark(cons(z1, first(z0, z2))), x1), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(cons(terms(z0), x1)) → c10(CONS(terms(active(z0)), x1), ACTIVE(terms(z0)))
ACTIVE(cons(cons(z0, z1), x1)) → c10(CONS(cons(active(z0), z1), x1), ACTIVE(cons(z0, z1)))
ACTIVE(cons(recip(z0), x1)) → c10(CONS(recip(active(z0)), x1), ACTIVE(recip(z0)))
ACTIVE(cons(sqr(z0), x1)) → c10(CONS(sqr(active(z0)), x1), ACTIVE(sqr(z0)))
ACTIVE(cons(s(z0), x1)) → c10(CONS(s(active(z0)), x1), ACTIVE(s(z0)))
ACTIVE(cons(add(z0, z1), x1)) → c10(CONS(add(active(z0), z1), x1), ACTIVE(add(z0, z1)))
ACTIVE(cons(add(z0, z1), x1)) → c10(CONS(add(z0, active(z1)), x1), ACTIVE(add(z0, z1)))
ACTIVE(cons(dbl(z0), x1)) → c10(CONS(dbl(active(z0)), x1), ACTIVE(dbl(z0)))
ACTIVE(cons(first(z0, z1), x1)) → c10(CONS(first(active(z0), z1), x1), ACTIVE(first(z0, z1)))
ACTIVE(cons(first(z0, z1), x1)) → c10(CONS(first(z0, active(z1)), x1), ACTIVE(first(z0, z1)))
ACTIVE(recip(terms(z0))) → c11(RECIP(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(recip(sqr(s(z0)))) → c11(RECIP(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(recip(dbl(s(z0)))) → c11(RECIP(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(recip(add(0, z0))) → c11(RECIP(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(recip(add(s(z0), z1))) → c11(RECIP(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(recip(first(0, z0))) → c11(RECIP(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(recip(first(s(z0), cons(z1, z2)))) → c11(RECIP(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(recip(terms(z0))) → c11(RECIP(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(recip(cons(z0, z1))) → c11(RECIP(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(recip(recip(z0))) → c11(RECIP(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(recip(sqr(z0))) → c11(RECIP(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(recip(s(z0))) → c11(RECIP(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(recip(add(z0, z1))) → c11(RECIP(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(recip(add(z0, z1))) → c11(RECIP(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(recip(dbl(z0))) → c11(RECIP(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(recip(first(z0, z1))) → c11(RECIP(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(recip(first(z0, z1))) → c11(RECIP(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(sqr(terms(z0))) → c12(SQR(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(sqr(sqr(s(z0)))) → c12(SQR(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(sqr(dbl(s(z0)))) → c12(SQR(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(sqr(add(0, z0))) → c12(SQR(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(sqr(add(s(z0), z1))) → c12(SQR(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(sqr(first(0, z0))) → c12(SQR(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(sqr(first(s(z0), cons(z1, z2)))) → c12(SQR(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(sqr(terms(z0))) → c12(SQR(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(sqr(cons(z0, z1))) → c12(SQR(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(sqr(recip(z0))) → c12(SQR(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(sqr(sqr(z0))) → c12(SQR(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(sqr(s(z0))) → c12(SQR(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(sqr(add(z0, z1))) → c12(SQR(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(sqr(add(z0, z1))) → c12(SQR(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(sqr(dbl(z0))) → c12(SQR(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(sqr(first(z0, z1))) → c12(SQR(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(sqr(first(z0, z1))) → c12(SQR(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(terms(sqr(0))) → c9(TERMS(mark(0)))
ACTIVE(cons(sqr(0), x1)) → c10(CONS(mark(0), x1))
ACTIVE(recip(sqr(0))) → c11(RECIP(mark(0)))
ACTIVE(sqr(sqr(0))) → c12(SQR(mark(0)))
ACTIVE(s(terms(z0))) → c13(S(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(s(sqr(s(z0)))) → c13(S(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(s(dbl(s(z0)))) → c13(S(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(s(add(0, z0))) → c13(S(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(s(add(s(z0), z1))) → c13(S(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(s(first(0, z0))) → c13(S(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(s(first(s(z0), cons(z1, z2)))) → c13(S(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(s(terms(z0))) → c13(S(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(s(cons(z0, z1))) → c13(S(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(s(recip(z0))) → c13(S(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(s(sqr(z0))) → c13(S(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(s(s(z0))) → c13(S(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(s(add(z0, z1))) → c13(S(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(s(add(z0, z1))) → c13(S(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(s(dbl(z0))) → c13(S(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(s(first(z0, z1))) → c13(S(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(s(first(z0, z1))) → c13(S(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(s(sqr(0))) → c13(S(mark(0)))
ACTIVE(dbl(terms(z0))) → c16(DBL(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(dbl(sqr(s(z0)))) → c16(DBL(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(dbl(dbl(s(z0)))) → c16(DBL(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(dbl(add(0, z0))) → c16(DBL(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(dbl(add(s(z0), z1))) → c16(DBL(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(dbl(first(0, z0))) → c16(DBL(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(dbl(first(s(z0), cons(z1, z2)))) → c16(DBL(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(dbl(terms(z0))) → c16(DBL(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(dbl(cons(z0, z1))) → c16(DBL(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(dbl(recip(z0))) → c16(DBL(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(dbl(sqr(z0))) → c16(DBL(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(dbl(s(z0))) → c16(DBL(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(dbl(add(z0, z1))) → c16(DBL(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(dbl(add(z0, z1))) → c16(DBL(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(dbl(dbl(z0))) → c16(DBL(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(dbl(first(z0, z1))) → c16(DBL(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(dbl(first(z0, z1))) → c16(DBL(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(terms(dbl(0))) → c9(TERMS(mark(0)))
ACTIVE(cons(dbl(0), x1)) → c10(CONS(mark(0), x1))
ACTIVE(recip(dbl(0))) → c11(RECIP(mark(0)))
ACTIVE(sqr(dbl(0))) → c12(SQR(mark(0)))
ACTIVE(s(dbl(0))) → c13(S(mark(0)))
ACTIVE(dbl(sqr(0))) → c16(DBL(mark(0)))
ACTIVE(dbl(dbl(0))) → c16(DBL(mark(0)))
S tuples:

ACTIVE(add(z0, z1)) → c14(ADD(active(z0), z1), ACTIVE(z0))
ACTIVE(add(z0, z1)) → c15(ADD(z0, active(z1)), ACTIVE(z1))
ACTIVE(first(z0, z1)) → c17(FIRST(active(z0), z1), ACTIVE(z0))
ACTIVE(first(z0, z1)) → c18(FIRST(z0, active(z1)), ACTIVE(z1))
TERMS(mark(z0)) → c19(TERMS(z0))
TERMS(ok(z0)) → c20(TERMS(z0))
CONS(mark(z0), z1) → c21(CONS(z0, z1))
CONS(ok(z0), ok(z1)) → c22(CONS(z0, z1))
RECIP(mark(z0)) → c23(RECIP(z0))
RECIP(ok(z0)) → c24(RECIP(z0))
SQR(mark(z0)) → c25(SQR(z0))
SQR(ok(z0)) → c26(SQR(z0))
S(mark(z0)) → c27(S(z0))
S(ok(z0)) → c28(S(z0))
ADD(mark(z0), z1) → c29(ADD(z0, z1))
ADD(z0, mark(z1)) → c30(ADD(z0, z1))
ADD(ok(z0), ok(z1)) → c31(ADD(z0, z1))
DBL(mark(z0)) → c32(DBL(z0))
DBL(ok(z0)) → c33(DBL(z0))
FIRST(mark(z0), z1) → c34(FIRST(z0, z1))
FIRST(z0, mark(z1)) → c35(FIRST(z0, z1))
FIRST(ok(z0), ok(z1)) → c36(FIRST(z0, z1))
PROPER(terms(z0)) → c37(TERMS(proper(z0)), PROPER(z0))
PROPER(cons(z0, z1)) → c38(CONS(proper(z0), proper(z1)), PROPER(z0), PROPER(z1))
PROPER(recip(z0)) → c39(RECIP(proper(z0)), PROPER(z0))
PROPER(sqr(z0)) → c40(SQR(proper(z0)), PROPER(z0))
PROPER(s(z0)) → c41(S(proper(z0)), PROPER(z0))
PROPER(add(z0, z1)) → c43(ADD(proper(z0), proper(z1)), PROPER(z0), PROPER(z1))
PROPER(dbl(z0)) → c44(DBL(proper(z0)), PROPER(z0))
PROPER(first(z0, z1)) → c45(FIRST(proper(z0), proper(z1)), PROPER(z0), PROPER(z1))
TOP(mark(z0)) → c47(TOP(proper(z0)), PROPER(z0))
TOP(ok(z0)) → c48(TOP(active(z0)), ACTIVE(z0))
ACTIVE(dbl(s(z0))) → c4(DBL(z0))
ACTIVE(add(s(z0), z1)) → c6(ADD(z0, z1))
ACTIVE(first(s(z0), cons(z1, z2))) → c1(CONS(z1, first(z0, z2)))
ACTIVE(first(s(z0), cons(z1, z2))) → c1(FIRST(z0, z2))
ACTIVE(terms(z0)) → c1(SQR(z0))
ACTIVE(terms(z0)) → c1(S(z0))
ACTIVE(sqr(s(z0))) → c1(SQR(z0))
ACTIVE(sqr(s(z0))) → c1(DBL(z0))
ACTIVE(terms(terms(z0))) → c9(TERMS(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(terms(sqr(s(z0)))) → c9(TERMS(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(terms(dbl(s(z0)))) → c9(TERMS(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(terms(add(0, z0))) → c9(TERMS(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(terms(add(s(z0), z1))) → c9(TERMS(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(terms(first(0, z0))) → c9(TERMS(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(terms(first(s(z0), cons(z1, z2)))) → c9(TERMS(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(terms(terms(z0))) → c9(TERMS(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(terms(cons(z0, z1))) → c9(TERMS(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(terms(recip(z0))) → c9(TERMS(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(terms(sqr(z0))) → c9(TERMS(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(terms(s(z0))) → c9(TERMS(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(terms(add(z0, z1))) → c9(TERMS(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(terms(add(z0, z1))) → c9(TERMS(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(terms(dbl(z0))) → c9(TERMS(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(terms(first(z0, z1))) → c9(TERMS(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(terms(first(z0, z1))) → c9(TERMS(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(cons(terms(z0), x1)) → c10(CONS(mark(cons(recip(sqr(z0)), terms(s(z0)))), x1), ACTIVE(terms(z0)))
ACTIVE(cons(sqr(s(z0)), x1)) → c10(CONS(mark(s(add(sqr(z0), dbl(z0)))), x1), ACTIVE(sqr(s(z0))))
ACTIVE(cons(dbl(s(z0)), x1)) → c10(CONS(mark(s(s(dbl(z0)))), x1), ACTIVE(dbl(s(z0))))
ACTIVE(cons(add(0, z0), x1)) → c10(CONS(mark(z0), x1), ACTIVE(add(0, z0)))
ACTIVE(cons(add(s(z0), z1), x1)) → c10(CONS(mark(s(add(z0, z1))), x1), ACTIVE(add(s(z0), z1)))
ACTIVE(cons(first(0, z0), x1)) → c10(CONS(mark(nil), x1), ACTIVE(first(0, z0)))
ACTIVE(cons(first(s(z0), cons(z1, z2)), x1)) → c10(CONS(mark(cons(z1, first(z0, z2))), x1), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(cons(terms(z0), x1)) → c10(CONS(terms(active(z0)), x1), ACTIVE(terms(z0)))
ACTIVE(cons(cons(z0, z1), x1)) → c10(CONS(cons(active(z0), z1), x1), ACTIVE(cons(z0, z1)))
ACTIVE(cons(recip(z0), x1)) → c10(CONS(recip(active(z0)), x1), ACTIVE(recip(z0)))
ACTIVE(cons(sqr(z0), x1)) → c10(CONS(sqr(active(z0)), x1), ACTIVE(sqr(z0)))
ACTIVE(cons(s(z0), x1)) → c10(CONS(s(active(z0)), x1), ACTIVE(s(z0)))
ACTIVE(cons(add(z0, z1), x1)) → c10(CONS(add(active(z0), z1), x1), ACTIVE(add(z0, z1)))
ACTIVE(cons(add(z0, z1), x1)) → c10(CONS(add(z0, active(z1)), x1), ACTIVE(add(z0, z1)))
ACTIVE(cons(dbl(z0), x1)) → c10(CONS(dbl(active(z0)), x1), ACTIVE(dbl(z0)))
ACTIVE(cons(first(z0, z1), x1)) → c10(CONS(first(active(z0), z1), x1), ACTIVE(first(z0, z1)))
ACTIVE(cons(first(z0, z1), x1)) → c10(CONS(first(z0, active(z1)), x1), ACTIVE(first(z0, z1)))
ACTIVE(recip(terms(z0))) → c11(RECIP(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(recip(sqr(s(z0)))) → c11(RECIP(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(recip(dbl(s(z0)))) → c11(RECIP(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(recip(add(0, z0))) → c11(RECIP(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(recip(add(s(z0), z1))) → c11(RECIP(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(recip(first(0, z0))) → c11(RECIP(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(recip(first(s(z0), cons(z1, z2)))) → c11(RECIP(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(recip(terms(z0))) → c11(RECIP(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(recip(cons(z0, z1))) → c11(RECIP(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(recip(recip(z0))) → c11(RECIP(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(recip(sqr(z0))) → c11(RECIP(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(recip(s(z0))) → c11(RECIP(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(recip(add(z0, z1))) → c11(RECIP(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(recip(add(z0, z1))) → c11(RECIP(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(recip(dbl(z0))) → c11(RECIP(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(recip(first(z0, z1))) → c11(RECIP(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(recip(first(z0, z1))) → c11(RECIP(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(sqr(terms(z0))) → c12(SQR(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(sqr(sqr(s(z0)))) → c12(SQR(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(sqr(dbl(s(z0)))) → c12(SQR(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(sqr(add(0, z0))) → c12(SQR(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(sqr(add(s(z0), z1))) → c12(SQR(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(sqr(first(0, z0))) → c12(SQR(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(sqr(first(s(z0), cons(z1, z2)))) → c12(SQR(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(sqr(terms(z0))) → c12(SQR(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(sqr(cons(z0, z1))) → c12(SQR(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(sqr(recip(z0))) → c12(SQR(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(sqr(sqr(z0))) → c12(SQR(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(sqr(s(z0))) → c12(SQR(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(sqr(add(z0, z1))) → c12(SQR(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(sqr(add(z0, z1))) → c12(SQR(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(sqr(dbl(z0))) → c12(SQR(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(sqr(first(z0, z1))) → c12(SQR(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(sqr(first(z0, z1))) → c12(SQR(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(terms(sqr(0))) → c9(TERMS(mark(0)))
ACTIVE(cons(sqr(0), x1)) → c10(CONS(mark(0), x1))
ACTIVE(recip(sqr(0))) → c11(RECIP(mark(0)))
ACTIVE(sqr(sqr(0))) → c12(SQR(mark(0)))
ACTIVE(s(terms(z0))) → c13(S(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(s(sqr(s(z0)))) → c13(S(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(s(dbl(s(z0)))) → c13(S(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(s(add(0, z0))) → c13(S(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(s(add(s(z0), z1))) → c13(S(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(s(first(0, z0))) → c13(S(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(s(first(s(z0), cons(z1, z2)))) → c13(S(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(s(terms(z0))) → c13(S(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(s(cons(z0, z1))) → c13(S(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(s(recip(z0))) → c13(S(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(s(sqr(z0))) → c13(S(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(s(s(z0))) → c13(S(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(s(add(z0, z1))) → c13(S(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(s(add(z0, z1))) → c13(S(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(s(dbl(z0))) → c13(S(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(s(first(z0, z1))) → c13(S(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(s(first(z0, z1))) → c13(S(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(s(sqr(0))) → c13(S(mark(0)))
ACTIVE(dbl(terms(z0))) → c16(DBL(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(dbl(sqr(s(z0)))) → c16(DBL(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(dbl(dbl(s(z0)))) → c16(DBL(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(dbl(add(0, z0))) → c16(DBL(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(dbl(add(s(z0), z1))) → c16(DBL(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(dbl(first(0, z0))) → c16(DBL(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(dbl(first(s(z0), cons(z1, z2)))) → c16(DBL(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(dbl(terms(z0))) → c16(DBL(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(dbl(cons(z0, z1))) → c16(DBL(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(dbl(recip(z0))) → c16(DBL(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(dbl(sqr(z0))) → c16(DBL(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(dbl(s(z0))) → c16(DBL(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(dbl(add(z0, z1))) → c16(DBL(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(dbl(add(z0, z1))) → c16(DBL(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(dbl(dbl(z0))) → c16(DBL(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(dbl(first(z0, z1))) → c16(DBL(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(dbl(first(z0, z1))) → c16(DBL(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(terms(dbl(0))) → c9(TERMS(mark(0)))
ACTIVE(cons(dbl(0), x1)) → c10(CONS(mark(0), x1))
ACTIVE(recip(dbl(0))) → c11(RECIP(mark(0)))
ACTIVE(sqr(dbl(0))) → c12(SQR(mark(0)))
ACTIVE(s(dbl(0))) → c13(S(mark(0)))
ACTIVE(dbl(sqr(0))) → c16(DBL(mark(0)))
ACTIVE(dbl(dbl(0))) → c16(DBL(mark(0)))
K tuples:none
Defined Rule Symbols:

active, cons, first, terms, recip, sqr, s, add, dbl, proper

Defined Pair Symbols:

ACTIVE, TERMS, CONS, RECIP, SQR, S, ADD, DBL, FIRST, PROPER, TOP

Compound Symbols:

c14, c15, c17, c18, c19, c20, c21, c22, c23, c24, c25, c26, c27, c28, c29, c30, c31, c32, c33, c34, c35, c36, c37, c38, c39, c40, c41, c43, c44, c45, c47, c48, c4, c6, c1, c9, c10, c11, c12, c9, c10, c11, c12, c13, c13, c16, c16

(29) CdtNarrowingProof (BOTH BOUNDS(ID, ID) transformation)

Use narrowing to replace PROPER(terms(z0)) → c37(TERMS(proper(z0)), PROPER(z0)) by

PROPER(terms(terms(z0))) → c37(TERMS(terms(proper(z0))), PROPER(terms(z0)))
PROPER(terms(cons(z0, z1))) → c37(TERMS(cons(proper(z0), proper(z1))), PROPER(cons(z0, z1)))
PROPER(terms(recip(z0))) → c37(TERMS(recip(proper(z0))), PROPER(recip(z0)))
PROPER(terms(sqr(z0))) → c37(TERMS(sqr(proper(z0))), PROPER(sqr(z0)))
PROPER(terms(s(z0))) → c37(TERMS(s(proper(z0))), PROPER(s(z0)))
PROPER(terms(0)) → c37(TERMS(ok(0)), PROPER(0))
PROPER(terms(add(z0, z1))) → c37(TERMS(add(proper(z0), proper(z1))), PROPER(add(z0, z1)))
PROPER(terms(dbl(z0))) → c37(TERMS(dbl(proper(z0))), PROPER(dbl(z0)))
PROPER(terms(first(z0, z1))) → c37(TERMS(first(proper(z0), proper(z1))), PROPER(first(z0, z1)))
PROPER(terms(nil)) → c37(TERMS(ok(nil)), PROPER(nil))

(30) Obligation:

Complexity Dependency Tuples Problem
Rules:

active(terms(z0)) → mark(cons(recip(sqr(z0)), terms(s(z0))))
active(sqr(0)) → mark(0)
active(sqr(s(z0))) → mark(s(add(sqr(z0), dbl(z0))))
active(dbl(0)) → mark(0)
active(dbl(s(z0))) → mark(s(s(dbl(z0))))
active(add(0, z0)) → mark(z0)
active(add(s(z0), z1)) → mark(s(add(z0, z1)))
active(first(0, z0)) → mark(nil)
active(first(s(z0), cons(z1, z2))) → mark(cons(z1, first(z0, z2)))
active(terms(z0)) → terms(active(z0))
active(cons(z0, z1)) → cons(active(z0), z1)
active(recip(z0)) → recip(active(z0))
active(sqr(z0)) → sqr(active(z0))
active(s(z0)) → s(active(z0))
active(add(z0, z1)) → add(active(z0), z1)
active(add(z0, z1)) → add(z0, active(z1))
active(dbl(z0)) → dbl(active(z0))
active(first(z0, z1)) → first(active(z0), z1)
active(first(z0, z1)) → first(z0, active(z1))
cons(ok(z0), ok(z1)) → ok(cons(z0, z1))
cons(mark(z0), z1) → mark(cons(z0, z1))
first(z0, mark(z1)) → mark(first(z0, z1))
first(mark(z0), z1) → mark(first(z0, z1))
first(ok(z0), ok(z1)) → ok(first(z0, z1))
terms(mark(z0)) → mark(terms(z0))
terms(ok(z0)) → ok(terms(z0))
recip(mark(z0)) → mark(recip(z0))
recip(ok(z0)) → ok(recip(z0))
sqr(mark(z0)) → mark(sqr(z0))
sqr(ok(z0)) → ok(sqr(z0))
s(mark(z0)) → mark(s(z0))
s(ok(z0)) → ok(s(z0))
add(mark(z0), z1) → mark(add(z0, z1))
add(ok(z0), ok(z1)) → ok(add(z0, z1))
add(z0, mark(z1)) → mark(add(z0, z1))
dbl(mark(z0)) → mark(dbl(z0))
dbl(ok(z0)) → ok(dbl(z0))
proper(terms(z0)) → terms(proper(z0))
proper(cons(z0, z1)) → cons(proper(z0), proper(z1))
proper(recip(z0)) → recip(proper(z0))
proper(sqr(z0)) → sqr(proper(z0))
proper(s(z0)) → s(proper(z0))
proper(0) → ok(0)
proper(add(z0, z1)) → add(proper(z0), proper(z1))
proper(dbl(z0)) → dbl(proper(z0))
proper(first(z0, z1)) → first(proper(z0), proper(z1))
proper(nil) → ok(nil)
Tuples:

ACTIVE(add(z0, z1)) → c14(ADD(active(z0), z1), ACTIVE(z0))
ACTIVE(add(z0, z1)) → c15(ADD(z0, active(z1)), ACTIVE(z1))
ACTIVE(first(z0, z1)) → c17(FIRST(active(z0), z1), ACTIVE(z0))
ACTIVE(first(z0, z1)) → c18(FIRST(z0, active(z1)), ACTIVE(z1))
TERMS(mark(z0)) → c19(TERMS(z0))
TERMS(ok(z0)) → c20(TERMS(z0))
CONS(mark(z0), z1) → c21(CONS(z0, z1))
CONS(ok(z0), ok(z1)) → c22(CONS(z0, z1))
RECIP(mark(z0)) → c23(RECIP(z0))
RECIP(ok(z0)) → c24(RECIP(z0))
SQR(mark(z0)) → c25(SQR(z0))
SQR(ok(z0)) → c26(SQR(z0))
S(mark(z0)) → c27(S(z0))
S(ok(z0)) → c28(S(z0))
ADD(mark(z0), z1) → c29(ADD(z0, z1))
ADD(z0, mark(z1)) → c30(ADD(z0, z1))
ADD(ok(z0), ok(z1)) → c31(ADD(z0, z1))
DBL(mark(z0)) → c32(DBL(z0))
DBL(ok(z0)) → c33(DBL(z0))
FIRST(mark(z0), z1) → c34(FIRST(z0, z1))
FIRST(z0, mark(z1)) → c35(FIRST(z0, z1))
FIRST(ok(z0), ok(z1)) → c36(FIRST(z0, z1))
PROPER(cons(z0, z1)) → c38(CONS(proper(z0), proper(z1)), PROPER(z0), PROPER(z1))
PROPER(recip(z0)) → c39(RECIP(proper(z0)), PROPER(z0))
PROPER(sqr(z0)) → c40(SQR(proper(z0)), PROPER(z0))
PROPER(s(z0)) → c41(S(proper(z0)), PROPER(z0))
PROPER(add(z0, z1)) → c43(ADD(proper(z0), proper(z1)), PROPER(z0), PROPER(z1))
PROPER(dbl(z0)) → c44(DBL(proper(z0)), PROPER(z0))
PROPER(first(z0, z1)) → c45(FIRST(proper(z0), proper(z1)), PROPER(z0), PROPER(z1))
TOP(mark(z0)) → c47(TOP(proper(z0)), PROPER(z0))
TOP(ok(z0)) → c48(TOP(active(z0)), ACTIVE(z0))
ACTIVE(dbl(s(z0))) → c4(DBL(z0))
ACTIVE(add(s(z0), z1)) → c6(ADD(z0, z1))
ACTIVE(first(s(z0), cons(z1, z2))) → c1(CONS(z1, first(z0, z2)))
ACTIVE(first(s(z0), cons(z1, z2))) → c1(FIRST(z0, z2))
ACTIVE(terms(z0)) → c1(SQR(z0))
ACTIVE(terms(z0)) → c1(S(z0))
ACTIVE(sqr(s(z0))) → c1(SQR(z0))
ACTIVE(sqr(s(z0))) → c1(DBL(z0))
ACTIVE(terms(terms(z0))) → c9(TERMS(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(terms(sqr(s(z0)))) → c9(TERMS(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(terms(dbl(s(z0)))) → c9(TERMS(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(terms(add(0, z0))) → c9(TERMS(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(terms(add(s(z0), z1))) → c9(TERMS(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(terms(first(0, z0))) → c9(TERMS(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(terms(first(s(z0), cons(z1, z2)))) → c9(TERMS(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(terms(terms(z0))) → c9(TERMS(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(terms(cons(z0, z1))) → c9(TERMS(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(terms(recip(z0))) → c9(TERMS(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(terms(sqr(z0))) → c9(TERMS(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(terms(s(z0))) → c9(TERMS(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(terms(add(z0, z1))) → c9(TERMS(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(terms(add(z0, z1))) → c9(TERMS(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(terms(dbl(z0))) → c9(TERMS(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(terms(first(z0, z1))) → c9(TERMS(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(terms(first(z0, z1))) → c9(TERMS(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(cons(terms(z0), x1)) → c10(CONS(mark(cons(recip(sqr(z0)), terms(s(z0)))), x1), ACTIVE(terms(z0)))
ACTIVE(cons(sqr(s(z0)), x1)) → c10(CONS(mark(s(add(sqr(z0), dbl(z0)))), x1), ACTIVE(sqr(s(z0))))
ACTIVE(cons(dbl(s(z0)), x1)) → c10(CONS(mark(s(s(dbl(z0)))), x1), ACTIVE(dbl(s(z0))))
ACTIVE(cons(add(0, z0), x1)) → c10(CONS(mark(z0), x1), ACTIVE(add(0, z0)))
ACTIVE(cons(add(s(z0), z1), x1)) → c10(CONS(mark(s(add(z0, z1))), x1), ACTIVE(add(s(z0), z1)))
ACTIVE(cons(first(0, z0), x1)) → c10(CONS(mark(nil), x1), ACTIVE(first(0, z0)))
ACTIVE(cons(first(s(z0), cons(z1, z2)), x1)) → c10(CONS(mark(cons(z1, first(z0, z2))), x1), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(cons(terms(z0), x1)) → c10(CONS(terms(active(z0)), x1), ACTIVE(terms(z0)))
ACTIVE(cons(cons(z0, z1), x1)) → c10(CONS(cons(active(z0), z1), x1), ACTIVE(cons(z0, z1)))
ACTIVE(cons(recip(z0), x1)) → c10(CONS(recip(active(z0)), x1), ACTIVE(recip(z0)))
ACTIVE(cons(sqr(z0), x1)) → c10(CONS(sqr(active(z0)), x1), ACTIVE(sqr(z0)))
ACTIVE(cons(s(z0), x1)) → c10(CONS(s(active(z0)), x1), ACTIVE(s(z0)))
ACTIVE(cons(add(z0, z1), x1)) → c10(CONS(add(active(z0), z1), x1), ACTIVE(add(z0, z1)))
ACTIVE(cons(add(z0, z1), x1)) → c10(CONS(add(z0, active(z1)), x1), ACTIVE(add(z0, z1)))
ACTIVE(cons(dbl(z0), x1)) → c10(CONS(dbl(active(z0)), x1), ACTIVE(dbl(z0)))
ACTIVE(cons(first(z0, z1), x1)) → c10(CONS(first(active(z0), z1), x1), ACTIVE(first(z0, z1)))
ACTIVE(cons(first(z0, z1), x1)) → c10(CONS(first(z0, active(z1)), x1), ACTIVE(first(z0, z1)))
ACTIVE(recip(terms(z0))) → c11(RECIP(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(recip(sqr(s(z0)))) → c11(RECIP(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(recip(dbl(s(z0)))) → c11(RECIP(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(recip(add(0, z0))) → c11(RECIP(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(recip(add(s(z0), z1))) → c11(RECIP(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(recip(first(0, z0))) → c11(RECIP(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(recip(first(s(z0), cons(z1, z2)))) → c11(RECIP(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(recip(terms(z0))) → c11(RECIP(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(recip(cons(z0, z1))) → c11(RECIP(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(recip(recip(z0))) → c11(RECIP(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(recip(sqr(z0))) → c11(RECIP(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(recip(s(z0))) → c11(RECIP(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(recip(add(z0, z1))) → c11(RECIP(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(recip(add(z0, z1))) → c11(RECIP(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(recip(dbl(z0))) → c11(RECIP(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(recip(first(z0, z1))) → c11(RECIP(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(recip(first(z0, z1))) → c11(RECIP(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(sqr(terms(z0))) → c12(SQR(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(sqr(sqr(s(z0)))) → c12(SQR(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(sqr(dbl(s(z0)))) → c12(SQR(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(sqr(add(0, z0))) → c12(SQR(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(sqr(add(s(z0), z1))) → c12(SQR(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(sqr(first(0, z0))) → c12(SQR(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(sqr(first(s(z0), cons(z1, z2)))) → c12(SQR(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(sqr(terms(z0))) → c12(SQR(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(sqr(cons(z0, z1))) → c12(SQR(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(sqr(recip(z0))) → c12(SQR(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(sqr(sqr(z0))) → c12(SQR(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(sqr(s(z0))) → c12(SQR(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(sqr(add(z0, z1))) → c12(SQR(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(sqr(add(z0, z1))) → c12(SQR(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(sqr(dbl(z0))) → c12(SQR(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(sqr(first(z0, z1))) → c12(SQR(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(sqr(first(z0, z1))) → c12(SQR(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(terms(sqr(0))) → c9(TERMS(mark(0)))
ACTIVE(cons(sqr(0), x1)) → c10(CONS(mark(0), x1))
ACTIVE(recip(sqr(0))) → c11(RECIP(mark(0)))
ACTIVE(sqr(sqr(0))) → c12(SQR(mark(0)))
ACTIVE(s(terms(z0))) → c13(S(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(s(sqr(s(z0)))) → c13(S(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(s(dbl(s(z0)))) → c13(S(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(s(add(0, z0))) → c13(S(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(s(add(s(z0), z1))) → c13(S(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(s(first(0, z0))) → c13(S(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(s(first(s(z0), cons(z1, z2)))) → c13(S(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(s(terms(z0))) → c13(S(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(s(cons(z0, z1))) → c13(S(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(s(recip(z0))) → c13(S(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(s(sqr(z0))) → c13(S(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(s(s(z0))) → c13(S(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(s(add(z0, z1))) → c13(S(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(s(add(z0, z1))) → c13(S(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(s(dbl(z0))) → c13(S(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(s(first(z0, z1))) → c13(S(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(s(first(z0, z1))) → c13(S(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(s(sqr(0))) → c13(S(mark(0)))
ACTIVE(dbl(terms(z0))) → c16(DBL(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(dbl(sqr(s(z0)))) → c16(DBL(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(dbl(dbl(s(z0)))) → c16(DBL(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(dbl(add(0, z0))) → c16(DBL(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(dbl(add(s(z0), z1))) → c16(DBL(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(dbl(first(0, z0))) → c16(DBL(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(dbl(first(s(z0), cons(z1, z2)))) → c16(DBL(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(dbl(terms(z0))) → c16(DBL(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(dbl(cons(z0, z1))) → c16(DBL(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(dbl(recip(z0))) → c16(DBL(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(dbl(sqr(z0))) → c16(DBL(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(dbl(s(z0))) → c16(DBL(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(dbl(add(z0, z1))) → c16(DBL(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(dbl(add(z0, z1))) → c16(DBL(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(dbl(dbl(z0))) → c16(DBL(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(dbl(first(z0, z1))) → c16(DBL(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(dbl(first(z0, z1))) → c16(DBL(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(terms(dbl(0))) → c9(TERMS(mark(0)))
ACTIVE(cons(dbl(0), x1)) → c10(CONS(mark(0), x1))
ACTIVE(recip(dbl(0))) → c11(RECIP(mark(0)))
ACTIVE(sqr(dbl(0))) → c12(SQR(mark(0)))
ACTIVE(s(dbl(0))) → c13(S(mark(0)))
ACTIVE(dbl(sqr(0))) → c16(DBL(mark(0)))
ACTIVE(dbl(dbl(0))) → c16(DBL(mark(0)))
PROPER(terms(terms(z0))) → c37(TERMS(terms(proper(z0))), PROPER(terms(z0)))
PROPER(terms(cons(z0, z1))) → c37(TERMS(cons(proper(z0), proper(z1))), PROPER(cons(z0, z1)))
PROPER(terms(recip(z0))) → c37(TERMS(recip(proper(z0))), PROPER(recip(z0)))
PROPER(terms(sqr(z0))) → c37(TERMS(sqr(proper(z0))), PROPER(sqr(z0)))
PROPER(terms(s(z0))) → c37(TERMS(s(proper(z0))), PROPER(s(z0)))
PROPER(terms(0)) → c37(TERMS(ok(0)), PROPER(0))
PROPER(terms(add(z0, z1))) → c37(TERMS(add(proper(z0), proper(z1))), PROPER(add(z0, z1)))
PROPER(terms(dbl(z0))) → c37(TERMS(dbl(proper(z0))), PROPER(dbl(z0)))
PROPER(terms(first(z0, z1))) → c37(TERMS(first(proper(z0), proper(z1))), PROPER(first(z0, z1)))
PROPER(terms(nil)) → c37(TERMS(ok(nil)), PROPER(nil))
S tuples:

ACTIVE(add(z0, z1)) → c14(ADD(active(z0), z1), ACTIVE(z0))
ACTIVE(add(z0, z1)) → c15(ADD(z0, active(z1)), ACTIVE(z1))
ACTIVE(first(z0, z1)) → c17(FIRST(active(z0), z1), ACTIVE(z0))
ACTIVE(first(z0, z1)) → c18(FIRST(z0, active(z1)), ACTIVE(z1))
TERMS(mark(z0)) → c19(TERMS(z0))
TERMS(ok(z0)) → c20(TERMS(z0))
CONS(mark(z0), z1) → c21(CONS(z0, z1))
CONS(ok(z0), ok(z1)) → c22(CONS(z0, z1))
RECIP(mark(z0)) → c23(RECIP(z0))
RECIP(ok(z0)) → c24(RECIP(z0))
SQR(mark(z0)) → c25(SQR(z0))
SQR(ok(z0)) → c26(SQR(z0))
S(mark(z0)) → c27(S(z0))
S(ok(z0)) → c28(S(z0))
ADD(mark(z0), z1) → c29(ADD(z0, z1))
ADD(z0, mark(z1)) → c30(ADD(z0, z1))
ADD(ok(z0), ok(z1)) → c31(ADD(z0, z1))
DBL(mark(z0)) → c32(DBL(z0))
DBL(ok(z0)) → c33(DBL(z0))
FIRST(mark(z0), z1) → c34(FIRST(z0, z1))
FIRST(z0, mark(z1)) → c35(FIRST(z0, z1))
FIRST(ok(z0), ok(z1)) → c36(FIRST(z0, z1))
PROPER(cons(z0, z1)) → c38(CONS(proper(z0), proper(z1)), PROPER(z0), PROPER(z1))
PROPER(recip(z0)) → c39(RECIP(proper(z0)), PROPER(z0))
PROPER(sqr(z0)) → c40(SQR(proper(z0)), PROPER(z0))
PROPER(s(z0)) → c41(S(proper(z0)), PROPER(z0))
PROPER(add(z0, z1)) → c43(ADD(proper(z0), proper(z1)), PROPER(z0), PROPER(z1))
PROPER(dbl(z0)) → c44(DBL(proper(z0)), PROPER(z0))
PROPER(first(z0, z1)) → c45(FIRST(proper(z0), proper(z1)), PROPER(z0), PROPER(z1))
TOP(mark(z0)) → c47(TOP(proper(z0)), PROPER(z0))
TOP(ok(z0)) → c48(TOP(active(z0)), ACTIVE(z0))
ACTIVE(dbl(s(z0))) → c4(DBL(z0))
ACTIVE(add(s(z0), z1)) → c6(ADD(z0, z1))
ACTIVE(first(s(z0), cons(z1, z2))) → c1(CONS(z1, first(z0, z2)))
ACTIVE(first(s(z0), cons(z1, z2))) → c1(FIRST(z0, z2))
ACTIVE(terms(z0)) → c1(SQR(z0))
ACTIVE(terms(z0)) → c1(S(z0))
ACTIVE(sqr(s(z0))) → c1(SQR(z0))
ACTIVE(sqr(s(z0))) → c1(DBL(z0))
ACTIVE(terms(terms(z0))) → c9(TERMS(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(terms(sqr(s(z0)))) → c9(TERMS(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(terms(dbl(s(z0)))) → c9(TERMS(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(terms(add(0, z0))) → c9(TERMS(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(terms(add(s(z0), z1))) → c9(TERMS(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(terms(first(0, z0))) → c9(TERMS(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(terms(first(s(z0), cons(z1, z2)))) → c9(TERMS(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(terms(terms(z0))) → c9(TERMS(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(terms(cons(z0, z1))) → c9(TERMS(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(terms(recip(z0))) → c9(TERMS(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(terms(sqr(z0))) → c9(TERMS(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(terms(s(z0))) → c9(TERMS(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(terms(add(z0, z1))) → c9(TERMS(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(terms(add(z0, z1))) → c9(TERMS(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(terms(dbl(z0))) → c9(TERMS(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(terms(first(z0, z1))) → c9(TERMS(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(terms(first(z0, z1))) → c9(TERMS(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(cons(terms(z0), x1)) → c10(CONS(mark(cons(recip(sqr(z0)), terms(s(z0)))), x1), ACTIVE(terms(z0)))
ACTIVE(cons(sqr(s(z0)), x1)) → c10(CONS(mark(s(add(sqr(z0), dbl(z0)))), x1), ACTIVE(sqr(s(z0))))
ACTIVE(cons(dbl(s(z0)), x1)) → c10(CONS(mark(s(s(dbl(z0)))), x1), ACTIVE(dbl(s(z0))))
ACTIVE(cons(add(0, z0), x1)) → c10(CONS(mark(z0), x1), ACTIVE(add(0, z0)))
ACTIVE(cons(add(s(z0), z1), x1)) → c10(CONS(mark(s(add(z0, z1))), x1), ACTIVE(add(s(z0), z1)))
ACTIVE(cons(first(0, z0), x1)) → c10(CONS(mark(nil), x1), ACTIVE(first(0, z0)))
ACTIVE(cons(first(s(z0), cons(z1, z2)), x1)) → c10(CONS(mark(cons(z1, first(z0, z2))), x1), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(cons(terms(z0), x1)) → c10(CONS(terms(active(z0)), x1), ACTIVE(terms(z0)))
ACTIVE(cons(cons(z0, z1), x1)) → c10(CONS(cons(active(z0), z1), x1), ACTIVE(cons(z0, z1)))
ACTIVE(cons(recip(z0), x1)) → c10(CONS(recip(active(z0)), x1), ACTIVE(recip(z0)))
ACTIVE(cons(sqr(z0), x1)) → c10(CONS(sqr(active(z0)), x1), ACTIVE(sqr(z0)))
ACTIVE(cons(s(z0), x1)) → c10(CONS(s(active(z0)), x1), ACTIVE(s(z0)))
ACTIVE(cons(add(z0, z1), x1)) → c10(CONS(add(active(z0), z1), x1), ACTIVE(add(z0, z1)))
ACTIVE(cons(add(z0, z1), x1)) → c10(CONS(add(z0, active(z1)), x1), ACTIVE(add(z0, z1)))
ACTIVE(cons(dbl(z0), x1)) → c10(CONS(dbl(active(z0)), x1), ACTIVE(dbl(z0)))
ACTIVE(cons(first(z0, z1), x1)) → c10(CONS(first(active(z0), z1), x1), ACTIVE(first(z0, z1)))
ACTIVE(cons(first(z0, z1), x1)) → c10(CONS(first(z0, active(z1)), x1), ACTIVE(first(z0, z1)))
ACTIVE(recip(terms(z0))) → c11(RECIP(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(recip(sqr(s(z0)))) → c11(RECIP(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(recip(dbl(s(z0)))) → c11(RECIP(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(recip(add(0, z0))) → c11(RECIP(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(recip(add(s(z0), z1))) → c11(RECIP(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(recip(first(0, z0))) → c11(RECIP(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(recip(first(s(z0), cons(z1, z2)))) → c11(RECIP(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(recip(terms(z0))) → c11(RECIP(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(recip(cons(z0, z1))) → c11(RECIP(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(recip(recip(z0))) → c11(RECIP(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(recip(sqr(z0))) → c11(RECIP(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(recip(s(z0))) → c11(RECIP(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(recip(add(z0, z1))) → c11(RECIP(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(recip(add(z0, z1))) → c11(RECIP(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(recip(dbl(z0))) → c11(RECIP(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(recip(first(z0, z1))) → c11(RECIP(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(recip(first(z0, z1))) → c11(RECIP(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(sqr(terms(z0))) → c12(SQR(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(sqr(sqr(s(z0)))) → c12(SQR(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(sqr(dbl(s(z0)))) → c12(SQR(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(sqr(add(0, z0))) → c12(SQR(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(sqr(add(s(z0), z1))) → c12(SQR(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(sqr(first(0, z0))) → c12(SQR(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(sqr(first(s(z0), cons(z1, z2)))) → c12(SQR(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(sqr(terms(z0))) → c12(SQR(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(sqr(cons(z0, z1))) → c12(SQR(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(sqr(recip(z0))) → c12(SQR(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(sqr(sqr(z0))) → c12(SQR(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(sqr(s(z0))) → c12(SQR(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(sqr(add(z0, z1))) → c12(SQR(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(sqr(add(z0, z1))) → c12(SQR(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(sqr(dbl(z0))) → c12(SQR(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(sqr(first(z0, z1))) → c12(SQR(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(sqr(first(z0, z1))) → c12(SQR(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(terms(sqr(0))) → c9(TERMS(mark(0)))
ACTIVE(cons(sqr(0), x1)) → c10(CONS(mark(0), x1))
ACTIVE(recip(sqr(0))) → c11(RECIP(mark(0)))
ACTIVE(sqr(sqr(0))) → c12(SQR(mark(0)))
ACTIVE(s(terms(z0))) → c13(S(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(s(sqr(s(z0)))) → c13(S(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(s(dbl(s(z0)))) → c13(S(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(s(add(0, z0))) → c13(S(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(s(add(s(z0), z1))) → c13(S(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(s(first(0, z0))) → c13(S(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(s(first(s(z0), cons(z1, z2)))) → c13(S(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(s(terms(z0))) → c13(S(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(s(cons(z0, z1))) → c13(S(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(s(recip(z0))) → c13(S(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(s(sqr(z0))) → c13(S(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(s(s(z0))) → c13(S(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(s(add(z0, z1))) → c13(S(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(s(add(z0, z1))) → c13(S(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(s(dbl(z0))) → c13(S(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(s(first(z0, z1))) → c13(S(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(s(first(z0, z1))) → c13(S(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(s(sqr(0))) → c13(S(mark(0)))
ACTIVE(dbl(terms(z0))) → c16(DBL(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(dbl(sqr(s(z0)))) → c16(DBL(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(dbl(dbl(s(z0)))) → c16(DBL(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(dbl(add(0, z0))) → c16(DBL(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(dbl(add(s(z0), z1))) → c16(DBL(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(dbl(first(0, z0))) → c16(DBL(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(dbl(first(s(z0), cons(z1, z2)))) → c16(DBL(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(dbl(terms(z0))) → c16(DBL(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(dbl(cons(z0, z1))) → c16(DBL(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(dbl(recip(z0))) → c16(DBL(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(dbl(sqr(z0))) → c16(DBL(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(dbl(s(z0))) → c16(DBL(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(dbl(add(z0, z1))) → c16(DBL(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(dbl(add(z0, z1))) → c16(DBL(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(dbl(dbl(z0))) → c16(DBL(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(dbl(first(z0, z1))) → c16(DBL(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(dbl(first(z0, z1))) → c16(DBL(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(terms(dbl(0))) → c9(TERMS(mark(0)))
ACTIVE(cons(dbl(0), x1)) → c10(CONS(mark(0), x1))
ACTIVE(recip(dbl(0))) → c11(RECIP(mark(0)))
ACTIVE(sqr(dbl(0))) → c12(SQR(mark(0)))
ACTIVE(s(dbl(0))) → c13(S(mark(0)))
ACTIVE(dbl(sqr(0))) → c16(DBL(mark(0)))
ACTIVE(dbl(dbl(0))) → c16(DBL(mark(0)))
PROPER(terms(terms(z0))) → c37(TERMS(terms(proper(z0))), PROPER(terms(z0)))
PROPER(terms(cons(z0, z1))) → c37(TERMS(cons(proper(z0), proper(z1))), PROPER(cons(z0, z1)))
PROPER(terms(recip(z0))) → c37(TERMS(recip(proper(z0))), PROPER(recip(z0)))
PROPER(terms(sqr(z0))) → c37(TERMS(sqr(proper(z0))), PROPER(sqr(z0)))
PROPER(terms(s(z0))) → c37(TERMS(s(proper(z0))), PROPER(s(z0)))
PROPER(terms(0)) → c37(TERMS(ok(0)), PROPER(0))
PROPER(terms(add(z0, z1))) → c37(TERMS(add(proper(z0), proper(z1))), PROPER(add(z0, z1)))
PROPER(terms(dbl(z0))) → c37(TERMS(dbl(proper(z0))), PROPER(dbl(z0)))
PROPER(terms(first(z0, z1))) → c37(TERMS(first(proper(z0), proper(z1))), PROPER(first(z0, z1)))
PROPER(terms(nil)) → c37(TERMS(ok(nil)), PROPER(nil))
K tuples:none
Defined Rule Symbols:

active, cons, first, terms, recip, sqr, s, add, dbl, proper

Defined Pair Symbols:

ACTIVE, TERMS, CONS, RECIP, SQR, S, ADD, DBL, FIRST, PROPER, TOP

Compound Symbols:

c14, c15, c17, c18, c19, c20, c21, c22, c23, c24, c25, c26, c27, c28, c29, c30, c31, c32, c33, c34, c35, c36, c38, c39, c40, c41, c43, c44, c45, c47, c48, c4, c6, c1, c9, c10, c11, c12, c9, c10, c11, c12, c13, c13, c16, c16, c37

(31) CdtRhsSimplificationProcessorProof (BOTH BOUNDS(ID, ID) transformation)

Removed 2 trailing tuple parts

(32) Obligation:

Complexity Dependency Tuples Problem
Rules:

active(terms(z0)) → mark(cons(recip(sqr(z0)), terms(s(z0))))
active(sqr(0)) → mark(0)
active(sqr(s(z0))) → mark(s(add(sqr(z0), dbl(z0))))
active(dbl(0)) → mark(0)
active(dbl(s(z0))) → mark(s(s(dbl(z0))))
active(add(0, z0)) → mark(z0)
active(add(s(z0), z1)) → mark(s(add(z0, z1)))
active(first(0, z0)) → mark(nil)
active(first(s(z0), cons(z1, z2))) → mark(cons(z1, first(z0, z2)))
active(terms(z0)) → terms(active(z0))
active(cons(z0, z1)) → cons(active(z0), z1)
active(recip(z0)) → recip(active(z0))
active(sqr(z0)) → sqr(active(z0))
active(s(z0)) → s(active(z0))
active(add(z0, z1)) → add(active(z0), z1)
active(add(z0, z1)) → add(z0, active(z1))
active(dbl(z0)) → dbl(active(z0))
active(first(z0, z1)) → first(active(z0), z1)
active(first(z0, z1)) → first(z0, active(z1))
cons(ok(z0), ok(z1)) → ok(cons(z0, z1))
cons(mark(z0), z1) → mark(cons(z0, z1))
first(z0, mark(z1)) → mark(first(z0, z1))
first(mark(z0), z1) → mark(first(z0, z1))
first(ok(z0), ok(z1)) → ok(first(z0, z1))
terms(mark(z0)) → mark(terms(z0))
terms(ok(z0)) → ok(terms(z0))
recip(mark(z0)) → mark(recip(z0))
recip(ok(z0)) → ok(recip(z0))
sqr(mark(z0)) → mark(sqr(z0))
sqr(ok(z0)) → ok(sqr(z0))
s(mark(z0)) → mark(s(z0))
s(ok(z0)) → ok(s(z0))
add(mark(z0), z1) → mark(add(z0, z1))
add(ok(z0), ok(z1)) → ok(add(z0, z1))
add(z0, mark(z1)) → mark(add(z0, z1))
dbl(mark(z0)) → mark(dbl(z0))
dbl(ok(z0)) → ok(dbl(z0))
proper(terms(z0)) → terms(proper(z0))
proper(cons(z0, z1)) → cons(proper(z0), proper(z1))
proper(recip(z0)) → recip(proper(z0))
proper(sqr(z0)) → sqr(proper(z0))
proper(s(z0)) → s(proper(z0))
proper(0) → ok(0)
proper(add(z0, z1)) → add(proper(z0), proper(z1))
proper(dbl(z0)) → dbl(proper(z0))
proper(first(z0, z1)) → first(proper(z0), proper(z1))
proper(nil) → ok(nil)
Tuples:

ACTIVE(add(z0, z1)) → c14(ADD(active(z0), z1), ACTIVE(z0))
ACTIVE(add(z0, z1)) → c15(ADD(z0, active(z1)), ACTIVE(z1))
ACTIVE(first(z0, z1)) → c17(FIRST(active(z0), z1), ACTIVE(z0))
ACTIVE(first(z0, z1)) → c18(FIRST(z0, active(z1)), ACTIVE(z1))
TERMS(mark(z0)) → c19(TERMS(z0))
TERMS(ok(z0)) → c20(TERMS(z0))
CONS(mark(z0), z1) → c21(CONS(z0, z1))
CONS(ok(z0), ok(z1)) → c22(CONS(z0, z1))
RECIP(mark(z0)) → c23(RECIP(z0))
RECIP(ok(z0)) → c24(RECIP(z0))
SQR(mark(z0)) → c25(SQR(z0))
SQR(ok(z0)) → c26(SQR(z0))
S(mark(z0)) → c27(S(z0))
S(ok(z0)) → c28(S(z0))
ADD(mark(z0), z1) → c29(ADD(z0, z1))
ADD(z0, mark(z1)) → c30(ADD(z0, z1))
ADD(ok(z0), ok(z1)) → c31(ADD(z0, z1))
DBL(mark(z0)) → c32(DBL(z0))
DBL(ok(z0)) → c33(DBL(z0))
FIRST(mark(z0), z1) → c34(FIRST(z0, z1))
FIRST(z0, mark(z1)) → c35(FIRST(z0, z1))
FIRST(ok(z0), ok(z1)) → c36(FIRST(z0, z1))
PROPER(cons(z0, z1)) → c38(CONS(proper(z0), proper(z1)), PROPER(z0), PROPER(z1))
PROPER(recip(z0)) → c39(RECIP(proper(z0)), PROPER(z0))
PROPER(sqr(z0)) → c40(SQR(proper(z0)), PROPER(z0))
PROPER(s(z0)) → c41(S(proper(z0)), PROPER(z0))
PROPER(add(z0, z1)) → c43(ADD(proper(z0), proper(z1)), PROPER(z0), PROPER(z1))
PROPER(dbl(z0)) → c44(DBL(proper(z0)), PROPER(z0))
PROPER(first(z0, z1)) → c45(FIRST(proper(z0), proper(z1)), PROPER(z0), PROPER(z1))
TOP(mark(z0)) → c47(TOP(proper(z0)), PROPER(z0))
TOP(ok(z0)) → c48(TOP(active(z0)), ACTIVE(z0))
ACTIVE(dbl(s(z0))) → c4(DBL(z0))
ACTIVE(add(s(z0), z1)) → c6(ADD(z0, z1))
ACTIVE(first(s(z0), cons(z1, z2))) → c1(CONS(z1, first(z0, z2)))
ACTIVE(first(s(z0), cons(z1, z2))) → c1(FIRST(z0, z2))
ACTIVE(terms(z0)) → c1(SQR(z0))
ACTIVE(terms(z0)) → c1(S(z0))
ACTIVE(sqr(s(z0))) → c1(SQR(z0))
ACTIVE(sqr(s(z0))) → c1(DBL(z0))
ACTIVE(terms(terms(z0))) → c9(TERMS(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(terms(sqr(s(z0)))) → c9(TERMS(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(terms(dbl(s(z0)))) → c9(TERMS(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(terms(add(0, z0))) → c9(TERMS(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(terms(add(s(z0), z1))) → c9(TERMS(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(terms(first(0, z0))) → c9(TERMS(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(terms(first(s(z0), cons(z1, z2)))) → c9(TERMS(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(terms(terms(z0))) → c9(TERMS(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(terms(cons(z0, z1))) → c9(TERMS(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(terms(recip(z0))) → c9(TERMS(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(terms(sqr(z0))) → c9(TERMS(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(terms(s(z0))) → c9(TERMS(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(terms(add(z0, z1))) → c9(TERMS(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(terms(add(z0, z1))) → c9(TERMS(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(terms(dbl(z0))) → c9(TERMS(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(terms(first(z0, z1))) → c9(TERMS(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(terms(first(z0, z1))) → c9(TERMS(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(cons(terms(z0), x1)) → c10(CONS(mark(cons(recip(sqr(z0)), terms(s(z0)))), x1), ACTIVE(terms(z0)))
ACTIVE(cons(sqr(s(z0)), x1)) → c10(CONS(mark(s(add(sqr(z0), dbl(z0)))), x1), ACTIVE(sqr(s(z0))))
ACTIVE(cons(dbl(s(z0)), x1)) → c10(CONS(mark(s(s(dbl(z0)))), x1), ACTIVE(dbl(s(z0))))
ACTIVE(cons(add(0, z0), x1)) → c10(CONS(mark(z0), x1), ACTIVE(add(0, z0)))
ACTIVE(cons(add(s(z0), z1), x1)) → c10(CONS(mark(s(add(z0, z1))), x1), ACTIVE(add(s(z0), z1)))
ACTIVE(cons(first(0, z0), x1)) → c10(CONS(mark(nil), x1), ACTIVE(first(0, z0)))
ACTIVE(cons(first(s(z0), cons(z1, z2)), x1)) → c10(CONS(mark(cons(z1, first(z0, z2))), x1), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(cons(terms(z0), x1)) → c10(CONS(terms(active(z0)), x1), ACTIVE(terms(z0)))
ACTIVE(cons(cons(z0, z1), x1)) → c10(CONS(cons(active(z0), z1), x1), ACTIVE(cons(z0, z1)))
ACTIVE(cons(recip(z0), x1)) → c10(CONS(recip(active(z0)), x1), ACTIVE(recip(z0)))
ACTIVE(cons(sqr(z0), x1)) → c10(CONS(sqr(active(z0)), x1), ACTIVE(sqr(z0)))
ACTIVE(cons(s(z0), x1)) → c10(CONS(s(active(z0)), x1), ACTIVE(s(z0)))
ACTIVE(cons(add(z0, z1), x1)) → c10(CONS(add(active(z0), z1), x1), ACTIVE(add(z0, z1)))
ACTIVE(cons(add(z0, z1), x1)) → c10(CONS(add(z0, active(z1)), x1), ACTIVE(add(z0, z1)))
ACTIVE(cons(dbl(z0), x1)) → c10(CONS(dbl(active(z0)), x1), ACTIVE(dbl(z0)))
ACTIVE(cons(first(z0, z1), x1)) → c10(CONS(first(active(z0), z1), x1), ACTIVE(first(z0, z1)))
ACTIVE(cons(first(z0, z1), x1)) → c10(CONS(first(z0, active(z1)), x1), ACTIVE(first(z0, z1)))
ACTIVE(recip(terms(z0))) → c11(RECIP(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(recip(sqr(s(z0)))) → c11(RECIP(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(recip(dbl(s(z0)))) → c11(RECIP(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(recip(add(0, z0))) → c11(RECIP(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(recip(add(s(z0), z1))) → c11(RECIP(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(recip(first(0, z0))) → c11(RECIP(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(recip(first(s(z0), cons(z1, z2)))) → c11(RECIP(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(recip(terms(z0))) → c11(RECIP(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(recip(cons(z0, z1))) → c11(RECIP(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(recip(recip(z0))) → c11(RECIP(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(recip(sqr(z0))) → c11(RECIP(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(recip(s(z0))) → c11(RECIP(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(recip(add(z0, z1))) → c11(RECIP(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(recip(add(z0, z1))) → c11(RECIP(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(recip(dbl(z0))) → c11(RECIP(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(recip(first(z0, z1))) → c11(RECIP(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(recip(first(z0, z1))) → c11(RECIP(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(sqr(terms(z0))) → c12(SQR(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(sqr(sqr(s(z0)))) → c12(SQR(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(sqr(dbl(s(z0)))) → c12(SQR(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(sqr(add(0, z0))) → c12(SQR(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(sqr(add(s(z0), z1))) → c12(SQR(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(sqr(first(0, z0))) → c12(SQR(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(sqr(first(s(z0), cons(z1, z2)))) → c12(SQR(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(sqr(terms(z0))) → c12(SQR(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(sqr(cons(z0, z1))) → c12(SQR(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(sqr(recip(z0))) → c12(SQR(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(sqr(sqr(z0))) → c12(SQR(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(sqr(s(z0))) → c12(SQR(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(sqr(add(z0, z1))) → c12(SQR(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(sqr(add(z0, z1))) → c12(SQR(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(sqr(dbl(z0))) → c12(SQR(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(sqr(first(z0, z1))) → c12(SQR(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(sqr(first(z0, z1))) → c12(SQR(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(terms(sqr(0))) → c9(TERMS(mark(0)))
ACTIVE(cons(sqr(0), x1)) → c10(CONS(mark(0), x1))
ACTIVE(recip(sqr(0))) → c11(RECIP(mark(0)))
ACTIVE(sqr(sqr(0))) → c12(SQR(mark(0)))
ACTIVE(s(terms(z0))) → c13(S(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(s(sqr(s(z0)))) → c13(S(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(s(dbl(s(z0)))) → c13(S(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(s(add(0, z0))) → c13(S(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(s(add(s(z0), z1))) → c13(S(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(s(first(0, z0))) → c13(S(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(s(first(s(z0), cons(z1, z2)))) → c13(S(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(s(terms(z0))) → c13(S(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(s(cons(z0, z1))) → c13(S(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(s(recip(z0))) → c13(S(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(s(sqr(z0))) → c13(S(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(s(s(z0))) → c13(S(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(s(add(z0, z1))) → c13(S(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(s(add(z0, z1))) → c13(S(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(s(dbl(z0))) → c13(S(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(s(first(z0, z1))) → c13(S(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(s(first(z0, z1))) → c13(S(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(s(sqr(0))) → c13(S(mark(0)))
ACTIVE(dbl(terms(z0))) → c16(DBL(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(dbl(sqr(s(z0)))) → c16(DBL(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(dbl(dbl(s(z0)))) → c16(DBL(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(dbl(add(0, z0))) → c16(DBL(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(dbl(add(s(z0), z1))) → c16(DBL(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(dbl(first(0, z0))) → c16(DBL(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(dbl(first(s(z0), cons(z1, z2)))) → c16(DBL(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(dbl(terms(z0))) → c16(DBL(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(dbl(cons(z0, z1))) → c16(DBL(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(dbl(recip(z0))) → c16(DBL(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(dbl(sqr(z0))) → c16(DBL(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(dbl(s(z0))) → c16(DBL(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(dbl(add(z0, z1))) → c16(DBL(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(dbl(add(z0, z1))) → c16(DBL(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(dbl(dbl(z0))) → c16(DBL(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(dbl(first(z0, z1))) → c16(DBL(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(dbl(first(z0, z1))) → c16(DBL(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(terms(dbl(0))) → c9(TERMS(mark(0)))
ACTIVE(cons(dbl(0), x1)) → c10(CONS(mark(0), x1))
ACTIVE(recip(dbl(0))) → c11(RECIP(mark(0)))
ACTIVE(sqr(dbl(0))) → c12(SQR(mark(0)))
ACTIVE(s(dbl(0))) → c13(S(mark(0)))
ACTIVE(dbl(sqr(0))) → c16(DBL(mark(0)))
ACTIVE(dbl(dbl(0))) → c16(DBL(mark(0)))
PROPER(terms(terms(z0))) → c37(TERMS(terms(proper(z0))), PROPER(terms(z0)))
PROPER(terms(cons(z0, z1))) → c37(TERMS(cons(proper(z0), proper(z1))), PROPER(cons(z0, z1)))
PROPER(terms(recip(z0))) → c37(TERMS(recip(proper(z0))), PROPER(recip(z0)))
PROPER(terms(sqr(z0))) → c37(TERMS(sqr(proper(z0))), PROPER(sqr(z0)))
PROPER(terms(s(z0))) → c37(TERMS(s(proper(z0))), PROPER(s(z0)))
PROPER(terms(add(z0, z1))) → c37(TERMS(add(proper(z0), proper(z1))), PROPER(add(z0, z1)))
PROPER(terms(dbl(z0))) → c37(TERMS(dbl(proper(z0))), PROPER(dbl(z0)))
PROPER(terms(first(z0, z1))) → c37(TERMS(first(proper(z0), proper(z1))), PROPER(first(z0, z1)))
PROPER(terms(0)) → c37(TERMS(ok(0)))
PROPER(terms(nil)) → c37(TERMS(ok(nil)))
S tuples:

ACTIVE(add(z0, z1)) → c14(ADD(active(z0), z1), ACTIVE(z0))
ACTIVE(add(z0, z1)) → c15(ADD(z0, active(z1)), ACTIVE(z1))
ACTIVE(first(z0, z1)) → c17(FIRST(active(z0), z1), ACTIVE(z0))
ACTIVE(first(z0, z1)) → c18(FIRST(z0, active(z1)), ACTIVE(z1))
TERMS(mark(z0)) → c19(TERMS(z0))
TERMS(ok(z0)) → c20(TERMS(z0))
CONS(mark(z0), z1) → c21(CONS(z0, z1))
CONS(ok(z0), ok(z1)) → c22(CONS(z0, z1))
RECIP(mark(z0)) → c23(RECIP(z0))
RECIP(ok(z0)) → c24(RECIP(z0))
SQR(mark(z0)) → c25(SQR(z0))
SQR(ok(z0)) → c26(SQR(z0))
S(mark(z0)) → c27(S(z0))
S(ok(z0)) → c28(S(z0))
ADD(mark(z0), z1) → c29(ADD(z0, z1))
ADD(z0, mark(z1)) → c30(ADD(z0, z1))
ADD(ok(z0), ok(z1)) → c31(ADD(z0, z1))
DBL(mark(z0)) → c32(DBL(z0))
DBL(ok(z0)) → c33(DBL(z0))
FIRST(mark(z0), z1) → c34(FIRST(z0, z1))
FIRST(z0, mark(z1)) → c35(FIRST(z0, z1))
FIRST(ok(z0), ok(z1)) → c36(FIRST(z0, z1))
PROPER(cons(z0, z1)) → c38(CONS(proper(z0), proper(z1)), PROPER(z0), PROPER(z1))
PROPER(recip(z0)) → c39(RECIP(proper(z0)), PROPER(z0))
PROPER(sqr(z0)) → c40(SQR(proper(z0)), PROPER(z0))
PROPER(s(z0)) → c41(S(proper(z0)), PROPER(z0))
PROPER(add(z0, z1)) → c43(ADD(proper(z0), proper(z1)), PROPER(z0), PROPER(z1))
PROPER(dbl(z0)) → c44(DBL(proper(z0)), PROPER(z0))
PROPER(first(z0, z1)) → c45(FIRST(proper(z0), proper(z1)), PROPER(z0), PROPER(z1))
TOP(mark(z0)) → c47(TOP(proper(z0)), PROPER(z0))
TOP(ok(z0)) → c48(TOP(active(z0)), ACTIVE(z0))
ACTIVE(dbl(s(z0))) → c4(DBL(z0))
ACTIVE(add(s(z0), z1)) → c6(ADD(z0, z1))
ACTIVE(first(s(z0), cons(z1, z2))) → c1(CONS(z1, first(z0, z2)))
ACTIVE(first(s(z0), cons(z1, z2))) → c1(FIRST(z0, z2))
ACTIVE(terms(z0)) → c1(SQR(z0))
ACTIVE(terms(z0)) → c1(S(z0))
ACTIVE(sqr(s(z0))) → c1(SQR(z0))
ACTIVE(sqr(s(z0))) → c1(DBL(z0))
ACTIVE(terms(terms(z0))) → c9(TERMS(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(terms(sqr(s(z0)))) → c9(TERMS(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(terms(dbl(s(z0)))) → c9(TERMS(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(terms(add(0, z0))) → c9(TERMS(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(terms(add(s(z0), z1))) → c9(TERMS(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(terms(first(0, z0))) → c9(TERMS(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(terms(first(s(z0), cons(z1, z2)))) → c9(TERMS(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(terms(terms(z0))) → c9(TERMS(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(terms(cons(z0, z1))) → c9(TERMS(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(terms(recip(z0))) → c9(TERMS(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(terms(sqr(z0))) → c9(TERMS(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(terms(s(z0))) → c9(TERMS(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(terms(add(z0, z1))) → c9(TERMS(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(terms(add(z0, z1))) → c9(TERMS(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(terms(dbl(z0))) → c9(TERMS(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(terms(first(z0, z1))) → c9(TERMS(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(terms(first(z0, z1))) → c9(TERMS(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(cons(terms(z0), x1)) → c10(CONS(mark(cons(recip(sqr(z0)), terms(s(z0)))), x1), ACTIVE(terms(z0)))
ACTIVE(cons(sqr(s(z0)), x1)) → c10(CONS(mark(s(add(sqr(z0), dbl(z0)))), x1), ACTIVE(sqr(s(z0))))
ACTIVE(cons(dbl(s(z0)), x1)) → c10(CONS(mark(s(s(dbl(z0)))), x1), ACTIVE(dbl(s(z0))))
ACTIVE(cons(add(0, z0), x1)) → c10(CONS(mark(z0), x1), ACTIVE(add(0, z0)))
ACTIVE(cons(add(s(z0), z1), x1)) → c10(CONS(mark(s(add(z0, z1))), x1), ACTIVE(add(s(z0), z1)))
ACTIVE(cons(first(0, z0), x1)) → c10(CONS(mark(nil), x1), ACTIVE(first(0, z0)))
ACTIVE(cons(first(s(z0), cons(z1, z2)), x1)) → c10(CONS(mark(cons(z1, first(z0, z2))), x1), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(cons(terms(z0), x1)) → c10(CONS(terms(active(z0)), x1), ACTIVE(terms(z0)))
ACTIVE(cons(cons(z0, z1), x1)) → c10(CONS(cons(active(z0), z1), x1), ACTIVE(cons(z0, z1)))
ACTIVE(cons(recip(z0), x1)) → c10(CONS(recip(active(z0)), x1), ACTIVE(recip(z0)))
ACTIVE(cons(sqr(z0), x1)) → c10(CONS(sqr(active(z0)), x1), ACTIVE(sqr(z0)))
ACTIVE(cons(s(z0), x1)) → c10(CONS(s(active(z0)), x1), ACTIVE(s(z0)))
ACTIVE(cons(add(z0, z1), x1)) → c10(CONS(add(active(z0), z1), x1), ACTIVE(add(z0, z1)))
ACTIVE(cons(add(z0, z1), x1)) → c10(CONS(add(z0, active(z1)), x1), ACTIVE(add(z0, z1)))
ACTIVE(cons(dbl(z0), x1)) → c10(CONS(dbl(active(z0)), x1), ACTIVE(dbl(z0)))
ACTIVE(cons(first(z0, z1), x1)) → c10(CONS(first(active(z0), z1), x1), ACTIVE(first(z0, z1)))
ACTIVE(cons(first(z0, z1), x1)) → c10(CONS(first(z0, active(z1)), x1), ACTIVE(first(z0, z1)))
ACTIVE(recip(terms(z0))) → c11(RECIP(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(recip(sqr(s(z0)))) → c11(RECIP(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(recip(dbl(s(z0)))) → c11(RECIP(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(recip(add(0, z0))) → c11(RECIP(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(recip(add(s(z0), z1))) → c11(RECIP(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(recip(first(0, z0))) → c11(RECIP(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(recip(first(s(z0), cons(z1, z2)))) → c11(RECIP(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(recip(terms(z0))) → c11(RECIP(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(recip(cons(z0, z1))) → c11(RECIP(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(recip(recip(z0))) → c11(RECIP(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(recip(sqr(z0))) → c11(RECIP(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(recip(s(z0))) → c11(RECIP(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(recip(add(z0, z1))) → c11(RECIP(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(recip(add(z0, z1))) → c11(RECIP(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(recip(dbl(z0))) → c11(RECIP(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(recip(first(z0, z1))) → c11(RECIP(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(recip(first(z0, z1))) → c11(RECIP(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(sqr(terms(z0))) → c12(SQR(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(sqr(sqr(s(z0)))) → c12(SQR(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(sqr(dbl(s(z0)))) → c12(SQR(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(sqr(add(0, z0))) → c12(SQR(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(sqr(add(s(z0), z1))) → c12(SQR(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(sqr(first(0, z0))) → c12(SQR(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(sqr(first(s(z0), cons(z1, z2)))) → c12(SQR(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(sqr(terms(z0))) → c12(SQR(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(sqr(cons(z0, z1))) → c12(SQR(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(sqr(recip(z0))) → c12(SQR(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(sqr(sqr(z0))) → c12(SQR(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(sqr(s(z0))) → c12(SQR(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(sqr(add(z0, z1))) → c12(SQR(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(sqr(add(z0, z1))) → c12(SQR(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(sqr(dbl(z0))) → c12(SQR(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(sqr(first(z0, z1))) → c12(SQR(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(sqr(first(z0, z1))) → c12(SQR(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(terms(sqr(0))) → c9(TERMS(mark(0)))
ACTIVE(cons(sqr(0), x1)) → c10(CONS(mark(0), x1))
ACTIVE(recip(sqr(0))) → c11(RECIP(mark(0)))
ACTIVE(sqr(sqr(0))) → c12(SQR(mark(0)))
ACTIVE(s(terms(z0))) → c13(S(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(s(sqr(s(z0)))) → c13(S(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(s(dbl(s(z0)))) → c13(S(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(s(add(0, z0))) → c13(S(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(s(add(s(z0), z1))) → c13(S(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(s(first(0, z0))) → c13(S(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(s(first(s(z0), cons(z1, z2)))) → c13(S(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(s(terms(z0))) → c13(S(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(s(cons(z0, z1))) → c13(S(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(s(recip(z0))) → c13(S(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(s(sqr(z0))) → c13(S(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(s(s(z0))) → c13(S(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(s(add(z0, z1))) → c13(S(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(s(add(z0, z1))) → c13(S(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(s(dbl(z0))) → c13(S(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(s(first(z0, z1))) → c13(S(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(s(first(z0, z1))) → c13(S(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(s(sqr(0))) → c13(S(mark(0)))
ACTIVE(dbl(terms(z0))) → c16(DBL(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(dbl(sqr(s(z0)))) → c16(DBL(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(dbl(dbl(s(z0)))) → c16(DBL(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(dbl(add(0, z0))) → c16(DBL(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(dbl(add(s(z0), z1))) → c16(DBL(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(dbl(first(0, z0))) → c16(DBL(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(dbl(first(s(z0), cons(z1, z2)))) → c16(DBL(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(dbl(terms(z0))) → c16(DBL(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(dbl(cons(z0, z1))) → c16(DBL(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(dbl(recip(z0))) → c16(DBL(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(dbl(sqr(z0))) → c16(DBL(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(dbl(s(z0))) → c16(DBL(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(dbl(add(z0, z1))) → c16(DBL(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(dbl(add(z0, z1))) → c16(DBL(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(dbl(dbl(z0))) → c16(DBL(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(dbl(first(z0, z1))) → c16(DBL(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(dbl(first(z0, z1))) → c16(DBL(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(terms(dbl(0))) → c9(TERMS(mark(0)))
ACTIVE(cons(dbl(0), x1)) → c10(CONS(mark(0), x1))
ACTIVE(recip(dbl(0))) → c11(RECIP(mark(0)))
ACTIVE(sqr(dbl(0))) → c12(SQR(mark(0)))
ACTIVE(s(dbl(0))) → c13(S(mark(0)))
ACTIVE(dbl(sqr(0))) → c16(DBL(mark(0)))
ACTIVE(dbl(dbl(0))) → c16(DBL(mark(0)))
PROPER(terms(terms(z0))) → c37(TERMS(terms(proper(z0))), PROPER(terms(z0)))
PROPER(terms(cons(z0, z1))) → c37(TERMS(cons(proper(z0), proper(z1))), PROPER(cons(z0, z1)))
PROPER(terms(recip(z0))) → c37(TERMS(recip(proper(z0))), PROPER(recip(z0)))
PROPER(terms(sqr(z0))) → c37(TERMS(sqr(proper(z0))), PROPER(sqr(z0)))
PROPER(terms(s(z0))) → c37(TERMS(s(proper(z0))), PROPER(s(z0)))
PROPER(terms(add(z0, z1))) → c37(TERMS(add(proper(z0), proper(z1))), PROPER(add(z0, z1)))
PROPER(terms(dbl(z0))) → c37(TERMS(dbl(proper(z0))), PROPER(dbl(z0)))
PROPER(terms(first(z0, z1))) → c37(TERMS(first(proper(z0), proper(z1))), PROPER(first(z0, z1)))
PROPER(terms(0)) → c37(TERMS(ok(0)))
PROPER(terms(nil)) → c37(TERMS(ok(nil)))
K tuples:none
Defined Rule Symbols:

active, cons, first, terms, recip, sqr, s, add, dbl, proper

Defined Pair Symbols:

ACTIVE, TERMS, CONS, RECIP, SQR, S, ADD, DBL, FIRST, PROPER, TOP

Compound Symbols:

c14, c15, c17, c18, c19, c20, c21, c22, c23, c24, c25, c26, c27, c28, c29, c30, c31, c32, c33, c34, c35, c36, c38, c39, c40, c41, c43, c44, c45, c47, c48, c4, c6, c1, c9, c10, c11, c12, c9, c10, c11, c12, c13, c13, c16, c16, c37, c37

(33) CdtNarrowingProof (BOTH BOUNDS(ID, ID) transformation)

Use narrowing to replace PROPER(cons(z0, z1)) → c38(CONS(proper(z0), proper(z1)), PROPER(z0), PROPER(z1)) by

PROPER(cons(x0, terms(z0))) → c38(CONS(proper(x0), terms(proper(z0))), PROPER(x0), PROPER(terms(z0)))
PROPER(cons(x0, cons(z0, z1))) → c38(CONS(proper(x0), cons(proper(z0), proper(z1))), PROPER(x0), PROPER(cons(z0, z1)))
PROPER(cons(x0, recip(z0))) → c38(CONS(proper(x0), recip(proper(z0))), PROPER(x0), PROPER(recip(z0)))
PROPER(cons(x0, sqr(z0))) → c38(CONS(proper(x0), sqr(proper(z0))), PROPER(x0), PROPER(sqr(z0)))
PROPER(cons(x0, s(z0))) → c38(CONS(proper(x0), s(proper(z0))), PROPER(x0), PROPER(s(z0)))
PROPER(cons(x0, 0)) → c38(CONS(proper(x0), ok(0)), PROPER(x0), PROPER(0))
PROPER(cons(x0, add(z0, z1))) → c38(CONS(proper(x0), add(proper(z0), proper(z1))), PROPER(x0), PROPER(add(z0, z1)))
PROPER(cons(x0, dbl(z0))) → c38(CONS(proper(x0), dbl(proper(z0))), PROPER(x0), PROPER(dbl(z0)))
PROPER(cons(x0, first(z0, z1))) → c38(CONS(proper(x0), first(proper(z0), proper(z1))), PROPER(x0), PROPER(first(z0, z1)))
PROPER(cons(x0, nil)) → c38(CONS(proper(x0), ok(nil)), PROPER(x0), PROPER(nil))
PROPER(cons(terms(z0), x1)) → c38(CONS(terms(proper(z0)), proper(x1)), PROPER(terms(z0)), PROPER(x1))
PROPER(cons(cons(z0, z1), x1)) → c38(CONS(cons(proper(z0), proper(z1)), proper(x1)), PROPER(cons(z0, z1)), PROPER(x1))
PROPER(cons(recip(z0), x1)) → c38(CONS(recip(proper(z0)), proper(x1)), PROPER(recip(z0)), PROPER(x1))
PROPER(cons(sqr(z0), x1)) → c38(CONS(sqr(proper(z0)), proper(x1)), PROPER(sqr(z0)), PROPER(x1))
PROPER(cons(s(z0), x1)) → c38(CONS(s(proper(z0)), proper(x1)), PROPER(s(z0)), PROPER(x1))
PROPER(cons(0, x1)) → c38(CONS(ok(0), proper(x1)), PROPER(0), PROPER(x1))
PROPER(cons(add(z0, z1), x1)) → c38(CONS(add(proper(z0), proper(z1)), proper(x1)), PROPER(add(z0, z1)), PROPER(x1))
PROPER(cons(dbl(z0), x1)) → c38(CONS(dbl(proper(z0)), proper(x1)), PROPER(dbl(z0)), PROPER(x1))
PROPER(cons(first(z0, z1), x1)) → c38(CONS(first(proper(z0), proper(z1)), proper(x1)), PROPER(first(z0, z1)), PROPER(x1))
PROPER(cons(nil, x1)) → c38(CONS(ok(nil), proper(x1)), PROPER(nil), PROPER(x1))

(34) Obligation:

Complexity Dependency Tuples Problem
Rules:

active(terms(z0)) → mark(cons(recip(sqr(z0)), terms(s(z0))))
active(sqr(0)) → mark(0)
active(sqr(s(z0))) → mark(s(add(sqr(z0), dbl(z0))))
active(dbl(0)) → mark(0)
active(dbl(s(z0))) → mark(s(s(dbl(z0))))
active(add(0, z0)) → mark(z0)
active(add(s(z0), z1)) → mark(s(add(z0, z1)))
active(first(0, z0)) → mark(nil)
active(first(s(z0), cons(z1, z2))) → mark(cons(z1, first(z0, z2)))
active(terms(z0)) → terms(active(z0))
active(cons(z0, z1)) → cons(active(z0), z1)
active(recip(z0)) → recip(active(z0))
active(sqr(z0)) → sqr(active(z0))
active(s(z0)) → s(active(z0))
active(add(z0, z1)) → add(active(z0), z1)
active(add(z0, z1)) → add(z0, active(z1))
active(dbl(z0)) → dbl(active(z0))
active(first(z0, z1)) → first(active(z0), z1)
active(first(z0, z1)) → first(z0, active(z1))
cons(ok(z0), ok(z1)) → ok(cons(z0, z1))
cons(mark(z0), z1) → mark(cons(z0, z1))
first(z0, mark(z1)) → mark(first(z0, z1))
first(mark(z0), z1) → mark(first(z0, z1))
first(ok(z0), ok(z1)) → ok(first(z0, z1))
terms(mark(z0)) → mark(terms(z0))
terms(ok(z0)) → ok(terms(z0))
recip(mark(z0)) → mark(recip(z0))
recip(ok(z0)) → ok(recip(z0))
sqr(mark(z0)) → mark(sqr(z0))
sqr(ok(z0)) → ok(sqr(z0))
s(mark(z0)) → mark(s(z0))
s(ok(z0)) → ok(s(z0))
add(mark(z0), z1) → mark(add(z0, z1))
add(ok(z0), ok(z1)) → ok(add(z0, z1))
add(z0, mark(z1)) → mark(add(z0, z1))
dbl(mark(z0)) → mark(dbl(z0))
dbl(ok(z0)) → ok(dbl(z0))
proper(terms(z0)) → terms(proper(z0))
proper(cons(z0, z1)) → cons(proper(z0), proper(z1))
proper(recip(z0)) → recip(proper(z0))
proper(sqr(z0)) → sqr(proper(z0))
proper(s(z0)) → s(proper(z0))
proper(0) → ok(0)
proper(add(z0, z1)) → add(proper(z0), proper(z1))
proper(dbl(z0)) → dbl(proper(z0))
proper(first(z0, z1)) → first(proper(z0), proper(z1))
proper(nil) → ok(nil)
Tuples:

ACTIVE(add(z0, z1)) → c14(ADD(active(z0), z1), ACTIVE(z0))
ACTIVE(add(z0, z1)) → c15(ADD(z0, active(z1)), ACTIVE(z1))
ACTIVE(first(z0, z1)) → c17(FIRST(active(z0), z1), ACTIVE(z0))
ACTIVE(first(z0, z1)) → c18(FIRST(z0, active(z1)), ACTIVE(z1))
TERMS(mark(z0)) → c19(TERMS(z0))
TERMS(ok(z0)) → c20(TERMS(z0))
CONS(mark(z0), z1) → c21(CONS(z0, z1))
CONS(ok(z0), ok(z1)) → c22(CONS(z0, z1))
RECIP(mark(z0)) → c23(RECIP(z0))
RECIP(ok(z0)) → c24(RECIP(z0))
SQR(mark(z0)) → c25(SQR(z0))
SQR(ok(z0)) → c26(SQR(z0))
S(mark(z0)) → c27(S(z0))
S(ok(z0)) → c28(S(z0))
ADD(mark(z0), z1) → c29(ADD(z0, z1))
ADD(z0, mark(z1)) → c30(ADD(z0, z1))
ADD(ok(z0), ok(z1)) → c31(ADD(z0, z1))
DBL(mark(z0)) → c32(DBL(z0))
DBL(ok(z0)) → c33(DBL(z0))
FIRST(mark(z0), z1) → c34(FIRST(z0, z1))
FIRST(z0, mark(z1)) → c35(FIRST(z0, z1))
FIRST(ok(z0), ok(z1)) → c36(FIRST(z0, z1))
PROPER(recip(z0)) → c39(RECIP(proper(z0)), PROPER(z0))
PROPER(sqr(z0)) → c40(SQR(proper(z0)), PROPER(z0))
PROPER(s(z0)) → c41(S(proper(z0)), PROPER(z0))
PROPER(add(z0, z1)) → c43(ADD(proper(z0), proper(z1)), PROPER(z0), PROPER(z1))
PROPER(dbl(z0)) → c44(DBL(proper(z0)), PROPER(z0))
PROPER(first(z0, z1)) → c45(FIRST(proper(z0), proper(z1)), PROPER(z0), PROPER(z1))
TOP(mark(z0)) → c47(TOP(proper(z0)), PROPER(z0))
TOP(ok(z0)) → c48(TOP(active(z0)), ACTIVE(z0))
ACTIVE(dbl(s(z0))) → c4(DBL(z0))
ACTIVE(add(s(z0), z1)) → c6(ADD(z0, z1))
ACTIVE(first(s(z0), cons(z1, z2))) → c1(CONS(z1, first(z0, z2)))
ACTIVE(first(s(z0), cons(z1, z2))) → c1(FIRST(z0, z2))
ACTIVE(terms(z0)) → c1(SQR(z0))
ACTIVE(terms(z0)) → c1(S(z0))
ACTIVE(sqr(s(z0))) → c1(SQR(z0))
ACTIVE(sqr(s(z0))) → c1(DBL(z0))
ACTIVE(terms(terms(z0))) → c9(TERMS(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(terms(sqr(s(z0)))) → c9(TERMS(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(terms(dbl(s(z0)))) → c9(TERMS(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(terms(add(0, z0))) → c9(TERMS(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(terms(add(s(z0), z1))) → c9(TERMS(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(terms(first(0, z0))) → c9(TERMS(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(terms(first(s(z0), cons(z1, z2)))) → c9(TERMS(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(terms(terms(z0))) → c9(TERMS(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(terms(cons(z0, z1))) → c9(TERMS(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(terms(recip(z0))) → c9(TERMS(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(terms(sqr(z0))) → c9(TERMS(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(terms(s(z0))) → c9(TERMS(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(terms(add(z0, z1))) → c9(TERMS(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(terms(add(z0, z1))) → c9(TERMS(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(terms(dbl(z0))) → c9(TERMS(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(terms(first(z0, z1))) → c9(TERMS(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(terms(first(z0, z1))) → c9(TERMS(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(cons(terms(z0), x1)) → c10(CONS(mark(cons(recip(sqr(z0)), terms(s(z0)))), x1), ACTIVE(terms(z0)))
ACTIVE(cons(sqr(s(z0)), x1)) → c10(CONS(mark(s(add(sqr(z0), dbl(z0)))), x1), ACTIVE(sqr(s(z0))))
ACTIVE(cons(dbl(s(z0)), x1)) → c10(CONS(mark(s(s(dbl(z0)))), x1), ACTIVE(dbl(s(z0))))
ACTIVE(cons(add(0, z0), x1)) → c10(CONS(mark(z0), x1), ACTIVE(add(0, z0)))
ACTIVE(cons(add(s(z0), z1), x1)) → c10(CONS(mark(s(add(z0, z1))), x1), ACTIVE(add(s(z0), z1)))
ACTIVE(cons(first(0, z0), x1)) → c10(CONS(mark(nil), x1), ACTIVE(first(0, z0)))
ACTIVE(cons(first(s(z0), cons(z1, z2)), x1)) → c10(CONS(mark(cons(z1, first(z0, z2))), x1), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(cons(terms(z0), x1)) → c10(CONS(terms(active(z0)), x1), ACTIVE(terms(z0)))
ACTIVE(cons(cons(z0, z1), x1)) → c10(CONS(cons(active(z0), z1), x1), ACTIVE(cons(z0, z1)))
ACTIVE(cons(recip(z0), x1)) → c10(CONS(recip(active(z0)), x1), ACTIVE(recip(z0)))
ACTIVE(cons(sqr(z0), x1)) → c10(CONS(sqr(active(z0)), x1), ACTIVE(sqr(z0)))
ACTIVE(cons(s(z0), x1)) → c10(CONS(s(active(z0)), x1), ACTIVE(s(z0)))
ACTIVE(cons(add(z0, z1), x1)) → c10(CONS(add(active(z0), z1), x1), ACTIVE(add(z0, z1)))
ACTIVE(cons(add(z0, z1), x1)) → c10(CONS(add(z0, active(z1)), x1), ACTIVE(add(z0, z1)))
ACTIVE(cons(dbl(z0), x1)) → c10(CONS(dbl(active(z0)), x1), ACTIVE(dbl(z0)))
ACTIVE(cons(first(z0, z1), x1)) → c10(CONS(first(active(z0), z1), x1), ACTIVE(first(z0, z1)))
ACTIVE(cons(first(z0, z1), x1)) → c10(CONS(first(z0, active(z1)), x1), ACTIVE(first(z0, z1)))
ACTIVE(recip(terms(z0))) → c11(RECIP(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(recip(sqr(s(z0)))) → c11(RECIP(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(recip(dbl(s(z0)))) → c11(RECIP(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(recip(add(0, z0))) → c11(RECIP(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(recip(add(s(z0), z1))) → c11(RECIP(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(recip(first(0, z0))) → c11(RECIP(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(recip(first(s(z0), cons(z1, z2)))) → c11(RECIP(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(recip(terms(z0))) → c11(RECIP(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(recip(cons(z0, z1))) → c11(RECIP(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(recip(recip(z0))) → c11(RECIP(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(recip(sqr(z0))) → c11(RECIP(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(recip(s(z0))) → c11(RECIP(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(recip(add(z0, z1))) → c11(RECIP(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(recip(add(z0, z1))) → c11(RECIP(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(recip(dbl(z0))) → c11(RECIP(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(recip(first(z0, z1))) → c11(RECIP(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(recip(first(z0, z1))) → c11(RECIP(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(sqr(terms(z0))) → c12(SQR(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(sqr(sqr(s(z0)))) → c12(SQR(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(sqr(dbl(s(z0)))) → c12(SQR(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(sqr(add(0, z0))) → c12(SQR(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(sqr(add(s(z0), z1))) → c12(SQR(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(sqr(first(0, z0))) → c12(SQR(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(sqr(first(s(z0), cons(z1, z2)))) → c12(SQR(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(sqr(terms(z0))) → c12(SQR(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(sqr(cons(z0, z1))) → c12(SQR(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(sqr(recip(z0))) → c12(SQR(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(sqr(sqr(z0))) → c12(SQR(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(sqr(s(z0))) → c12(SQR(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(sqr(add(z0, z1))) → c12(SQR(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(sqr(add(z0, z1))) → c12(SQR(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(sqr(dbl(z0))) → c12(SQR(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(sqr(first(z0, z1))) → c12(SQR(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(sqr(first(z0, z1))) → c12(SQR(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(terms(sqr(0))) → c9(TERMS(mark(0)))
ACTIVE(cons(sqr(0), x1)) → c10(CONS(mark(0), x1))
ACTIVE(recip(sqr(0))) → c11(RECIP(mark(0)))
ACTIVE(sqr(sqr(0))) → c12(SQR(mark(0)))
ACTIVE(s(terms(z0))) → c13(S(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(s(sqr(s(z0)))) → c13(S(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(s(dbl(s(z0)))) → c13(S(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(s(add(0, z0))) → c13(S(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(s(add(s(z0), z1))) → c13(S(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(s(first(0, z0))) → c13(S(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(s(first(s(z0), cons(z1, z2)))) → c13(S(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(s(terms(z0))) → c13(S(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(s(cons(z0, z1))) → c13(S(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(s(recip(z0))) → c13(S(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(s(sqr(z0))) → c13(S(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(s(s(z0))) → c13(S(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(s(add(z0, z1))) → c13(S(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(s(add(z0, z1))) → c13(S(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(s(dbl(z0))) → c13(S(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(s(first(z0, z1))) → c13(S(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(s(first(z0, z1))) → c13(S(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(s(sqr(0))) → c13(S(mark(0)))
ACTIVE(dbl(terms(z0))) → c16(DBL(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(dbl(sqr(s(z0)))) → c16(DBL(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(dbl(dbl(s(z0)))) → c16(DBL(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(dbl(add(0, z0))) → c16(DBL(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(dbl(add(s(z0), z1))) → c16(DBL(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(dbl(first(0, z0))) → c16(DBL(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(dbl(first(s(z0), cons(z1, z2)))) → c16(DBL(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(dbl(terms(z0))) → c16(DBL(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(dbl(cons(z0, z1))) → c16(DBL(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(dbl(recip(z0))) → c16(DBL(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(dbl(sqr(z0))) → c16(DBL(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(dbl(s(z0))) → c16(DBL(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(dbl(add(z0, z1))) → c16(DBL(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(dbl(add(z0, z1))) → c16(DBL(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(dbl(dbl(z0))) → c16(DBL(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(dbl(first(z0, z1))) → c16(DBL(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(dbl(first(z0, z1))) → c16(DBL(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(terms(dbl(0))) → c9(TERMS(mark(0)))
ACTIVE(cons(dbl(0), x1)) → c10(CONS(mark(0), x1))
ACTIVE(recip(dbl(0))) → c11(RECIP(mark(0)))
ACTIVE(sqr(dbl(0))) → c12(SQR(mark(0)))
ACTIVE(s(dbl(0))) → c13(S(mark(0)))
ACTIVE(dbl(sqr(0))) → c16(DBL(mark(0)))
ACTIVE(dbl(dbl(0))) → c16(DBL(mark(0)))
PROPER(terms(terms(z0))) → c37(TERMS(terms(proper(z0))), PROPER(terms(z0)))
PROPER(terms(cons(z0, z1))) → c37(TERMS(cons(proper(z0), proper(z1))), PROPER(cons(z0, z1)))
PROPER(terms(recip(z0))) → c37(TERMS(recip(proper(z0))), PROPER(recip(z0)))
PROPER(terms(sqr(z0))) → c37(TERMS(sqr(proper(z0))), PROPER(sqr(z0)))
PROPER(terms(s(z0))) → c37(TERMS(s(proper(z0))), PROPER(s(z0)))
PROPER(terms(add(z0, z1))) → c37(TERMS(add(proper(z0), proper(z1))), PROPER(add(z0, z1)))
PROPER(terms(dbl(z0))) → c37(TERMS(dbl(proper(z0))), PROPER(dbl(z0)))
PROPER(terms(first(z0, z1))) → c37(TERMS(first(proper(z0), proper(z1))), PROPER(first(z0, z1)))
PROPER(terms(0)) → c37(TERMS(ok(0)))
PROPER(terms(nil)) → c37(TERMS(ok(nil)))
PROPER(cons(x0, terms(z0))) → c38(CONS(proper(x0), terms(proper(z0))), PROPER(x0), PROPER(terms(z0)))
PROPER(cons(x0, cons(z0, z1))) → c38(CONS(proper(x0), cons(proper(z0), proper(z1))), PROPER(x0), PROPER(cons(z0, z1)))
PROPER(cons(x0, recip(z0))) → c38(CONS(proper(x0), recip(proper(z0))), PROPER(x0), PROPER(recip(z0)))
PROPER(cons(x0, sqr(z0))) → c38(CONS(proper(x0), sqr(proper(z0))), PROPER(x0), PROPER(sqr(z0)))
PROPER(cons(x0, s(z0))) → c38(CONS(proper(x0), s(proper(z0))), PROPER(x0), PROPER(s(z0)))
PROPER(cons(x0, 0)) → c38(CONS(proper(x0), ok(0)), PROPER(x0), PROPER(0))
PROPER(cons(x0, add(z0, z1))) → c38(CONS(proper(x0), add(proper(z0), proper(z1))), PROPER(x0), PROPER(add(z0, z1)))
PROPER(cons(x0, dbl(z0))) → c38(CONS(proper(x0), dbl(proper(z0))), PROPER(x0), PROPER(dbl(z0)))
PROPER(cons(x0, first(z0, z1))) → c38(CONS(proper(x0), first(proper(z0), proper(z1))), PROPER(x0), PROPER(first(z0, z1)))
PROPER(cons(x0, nil)) → c38(CONS(proper(x0), ok(nil)), PROPER(x0), PROPER(nil))
PROPER(cons(terms(z0), x1)) → c38(CONS(terms(proper(z0)), proper(x1)), PROPER(terms(z0)), PROPER(x1))
PROPER(cons(cons(z0, z1), x1)) → c38(CONS(cons(proper(z0), proper(z1)), proper(x1)), PROPER(cons(z0, z1)), PROPER(x1))
PROPER(cons(recip(z0), x1)) → c38(CONS(recip(proper(z0)), proper(x1)), PROPER(recip(z0)), PROPER(x1))
PROPER(cons(sqr(z0), x1)) → c38(CONS(sqr(proper(z0)), proper(x1)), PROPER(sqr(z0)), PROPER(x1))
PROPER(cons(s(z0), x1)) → c38(CONS(s(proper(z0)), proper(x1)), PROPER(s(z0)), PROPER(x1))
PROPER(cons(0, x1)) → c38(CONS(ok(0), proper(x1)), PROPER(0), PROPER(x1))
PROPER(cons(add(z0, z1), x1)) → c38(CONS(add(proper(z0), proper(z1)), proper(x1)), PROPER(add(z0, z1)), PROPER(x1))
PROPER(cons(dbl(z0), x1)) → c38(CONS(dbl(proper(z0)), proper(x1)), PROPER(dbl(z0)), PROPER(x1))
PROPER(cons(first(z0, z1), x1)) → c38(CONS(first(proper(z0), proper(z1)), proper(x1)), PROPER(first(z0, z1)), PROPER(x1))
PROPER(cons(nil, x1)) → c38(CONS(ok(nil), proper(x1)), PROPER(nil), PROPER(x1))
S tuples:

ACTIVE(add(z0, z1)) → c14(ADD(active(z0), z1), ACTIVE(z0))
ACTIVE(add(z0, z1)) → c15(ADD(z0, active(z1)), ACTIVE(z1))
ACTIVE(first(z0, z1)) → c17(FIRST(active(z0), z1), ACTIVE(z0))
ACTIVE(first(z0, z1)) → c18(FIRST(z0, active(z1)), ACTIVE(z1))
TERMS(mark(z0)) → c19(TERMS(z0))
TERMS(ok(z0)) → c20(TERMS(z0))
CONS(mark(z0), z1) → c21(CONS(z0, z1))
CONS(ok(z0), ok(z1)) → c22(CONS(z0, z1))
RECIP(mark(z0)) → c23(RECIP(z0))
RECIP(ok(z0)) → c24(RECIP(z0))
SQR(mark(z0)) → c25(SQR(z0))
SQR(ok(z0)) → c26(SQR(z0))
S(mark(z0)) → c27(S(z0))
S(ok(z0)) → c28(S(z0))
ADD(mark(z0), z1) → c29(ADD(z0, z1))
ADD(z0, mark(z1)) → c30(ADD(z0, z1))
ADD(ok(z0), ok(z1)) → c31(ADD(z0, z1))
DBL(mark(z0)) → c32(DBL(z0))
DBL(ok(z0)) → c33(DBL(z0))
FIRST(mark(z0), z1) → c34(FIRST(z0, z1))
FIRST(z0, mark(z1)) → c35(FIRST(z0, z1))
FIRST(ok(z0), ok(z1)) → c36(FIRST(z0, z1))
PROPER(recip(z0)) → c39(RECIP(proper(z0)), PROPER(z0))
PROPER(sqr(z0)) → c40(SQR(proper(z0)), PROPER(z0))
PROPER(s(z0)) → c41(S(proper(z0)), PROPER(z0))
PROPER(add(z0, z1)) → c43(ADD(proper(z0), proper(z1)), PROPER(z0), PROPER(z1))
PROPER(dbl(z0)) → c44(DBL(proper(z0)), PROPER(z0))
PROPER(first(z0, z1)) → c45(FIRST(proper(z0), proper(z1)), PROPER(z0), PROPER(z1))
TOP(mark(z0)) → c47(TOP(proper(z0)), PROPER(z0))
TOP(ok(z0)) → c48(TOP(active(z0)), ACTIVE(z0))
ACTIVE(dbl(s(z0))) → c4(DBL(z0))
ACTIVE(add(s(z0), z1)) → c6(ADD(z0, z1))
ACTIVE(first(s(z0), cons(z1, z2))) → c1(CONS(z1, first(z0, z2)))
ACTIVE(first(s(z0), cons(z1, z2))) → c1(FIRST(z0, z2))
ACTIVE(terms(z0)) → c1(SQR(z0))
ACTIVE(terms(z0)) → c1(S(z0))
ACTIVE(sqr(s(z0))) → c1(SQR(z0))
ACTIVE(sqr(s(z0))) → c1(DBL(z0))
ACTIVE(terms(terms(z0))) → c9(TERMS(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(terms(sqr(s(z0)))) → c9(TERMS(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(terms(dbl(s(z0)))) → c9(TERMS(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(terms(add(0, z0))) → c9(TERMS(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(terms(add(s(z0), z1))) → c9(TERMS(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(terms(first(0, z0))) → c9(TERMS(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(terms(first(s(z0), cons(z1, z2)))) → c9(TERMS(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(terms(terms(z0))) → c9(TERMS(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(terms(cons(z0, z1))) → c9(TERMS(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(terms(recip(z0))) → c9(TERMS(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(terms(sqr(z0))) → c9(TERMS(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(terms(s(z0))) → c9(TERMS(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(terms(add(z0, z1))) → c9(TERMS(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(terms(add(z0, z1))) → c9(TERMS(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(terms(dbl(z0))) → c9(TERMS(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(terms(first(z0, z1))) → c9(TERMS(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(terms(first(z0, z1))) → c9(TERMS(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(cons(terms(z0), x1)) → c10(CONS(mark(cons(recip(sqr(z0)), terms(s(z0)))), x1), ACTIVE(terms(z0)))
ACTIVE(cons(sqr(s(z0)), x1)) → c10(CONS(mark(s(add(sqr(z0), dbl(z0)))), x1), ACTIVE(sqr(s(z0))))
ACTIVE(cons(dbl(s(z0)), x1)) → c10(CONS(mark(s(s(dbl(z0)))), x1), ACTIVE(dbl(s(z0))))
ACTIVE(cons(add(0, z0), x1)) → c10(CONS(mark(z0), x1), ACTIVE(add(0, z0)))
ACTIVE(cons(add(s(z0), z1), x1)) → c10(CONS(mark(s(add(z0, z1))), x1), ACTIVE(add(s(z0), z1)))
ACTIVE(cons(first(0, z0), x1)) → c10(CONS(mark(nil), x1), ACTIVE(first(0, z0)))
ACTIVE(cons(first(s(z0), cons(z1, z2)), x1)) → c10(CONS(mark(cons(z1, first(z0, z2))), x1), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(cons(terms(z0), x1)) → c10(CONS(terms(active(z0)), x1), ACTIVE(terms(z0)))
ACTIVE(cons(cons(z0, z1), x1)) → c10(CONS(cons(active(z0), z1), x1), ACTIVE(cons(z0, z1)))
ACTIVE(cons(recip(z0), x1)) → c10(CONS(recip(active(z0)), x1), ACTIVE(recip(z0)))
ACTIVE(cons(sqr(z0), x1)) → c10(CONS(sqr(active(z0)), x1), ACTIVE(sqr(z0)))
ACTIVE(cons(s(z0), x1)) → c10(CONS(s(active(z0)), x1), ACTIVE(s(z0)))
ACTIVE(cons(add(z0, z1), x1)) → c10(CONS(add(active(z0), z1), x1), ACTIVE(add(z0, z1)))
ACTIVE(cons(add(z0, z1), x1)) → c10(CONS(add(z0, active(z1)), x1), ACTIVE(add(z0, z1)))
ACTIVE(cons(dbl(z0), x1)) → c10(CONS(dbl(active(z0)), x1), ACTIVE(dbl(z0)))
ACTIVE(cons(first(z0, z1), x1)) → c10(CONS(first(active(z0), z1), x1), ACTIVE(first(z0, z1)))
ACTIVE(cons(first(z0, z1), x1)) → c10(CONS(first(z0, active(z1)), x1), ACTIVE(first(z0, z1)))
ACTIVE(recip(terms(z0))) → c11(RECIP(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(recip(sqr(s(z0)))) → c11(RECIP(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(recip(dbl(s(z0)))) → c11(RECIP(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(recip(add(0, z0))) → c11(RECIP(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(recip(add(s(z0), z1))) → c11(RECIP(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(recip(first(0, z0))) → c11(RECIP(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(recip(first(s(z0), cons(z1, z2)))) → c11(RECIP(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(recip(terms(z0))) → c11(RECIP(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(recip(cons(z0, z1))) → c11(RECIP(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(recip(recip(z0))) → c11(RECIP(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(recip(sqr(z0))) → c11(RECIP(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(recip(s(z0))) → c11(RECIP(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(recip(add(z0, z1))) → c11(RECIP(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(recip(add(z0, z1))) → c11(RECIP(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(recip(dbl(z0))) → c11(RECIP(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(recip(first(z0, z1))) → c11(RECIP(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(recip(first(z0, z1))) → c11(RECIP(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(sqr(terms(z0))) → c12(SQR(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(sqr(sqr(s(z0)))) → c12(SQR(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(sqr(dbl(s(z0)))) → c12(SQR(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(sqr(add(0, z0))) → c12(SQR(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(sqr(add(s(z0), z1))) → c12(SQR(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(sqr(first(0, z0))) → c12(SQR(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(sqr(first(s(z0), cons(z1, z2)))) → c12(SQR(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(sqr(terms(z0))) → c12(SQR(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(sqr(cons(z0, z1))) → c12(SQR(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(sqr(recip(z0))) → c12(SQR(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(sqr(sqr(z0))) → c12(SQR(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(sqr(s(z0))) → c12(SQR(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(sqr(add(z0, z1))) → c12(SQR(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(sqr(add(z0, z1))) → c12(SQR(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(sqr(dbl(z0))) → c12(SQR(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(sqr(first(z0, z1))) → c12(SQR(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(sqr(first(z0, z1))) → c12(SQR(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(terms(sqr(0))) → c9(TERMS(mark(0)))
ACTIVE(cons(sqr(0), x1)) → c10(CONS(mark(0), x1))
ACTIVE(recip(sqr(0))) → c11(RECIP(mark(0)))
ACTIVE(sqr(sqr(0))) → c12(SQR(mark(0)))
ACTIVE(s(terms(z0))) → c13(S(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(s(sqr(s(z0)))) → c13(S(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(s(dbl(s(z0)))) → c13(S(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(s(add(0, z0))) → c13(S(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(s(add(s(z0), z1))) → c13(S(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(s(first(0, z0))) → c13(S(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(s(first(s(z0), cons(z1, z2)))) → c13(S(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(s(terms(z0))) → c13(S(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(s(cons(z0, z1))) → c13(S(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(s(recip(z0))) → c13(S(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(s(sqr(z0))) → c13(S(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(s(s(z0))) → c13(S(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(s(add(z0, z1))) → c13(S(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(s(add(z0, z1))) → c13(S(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(s(dbl(z0))) → c13(S(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(s(first(z0, z1))) → c13(S(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(s(first(z0, z1))) → c13(S(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(s(sqr(0))) → c13(S(mark(0)))
ACTIVE(dbl(terms(z0))) → c16(DBL(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(dbl(sqr(s(z0)))) → c16(DBL(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(dbl(dbl(s(z0)))) → c16(DBL(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(dbl(add(0, z0))) → c16(DBL(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(dbl(add(s(z0), z1))) → c16(DBL(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(dbl(first(0, z0))) → c16(DBL(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(dbl(first(s(z0), cons(z1, z2)))) → c16(DBL(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(dbl(terms(z0))) → c16(DBL(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(dbl(cons(z0, z1))) → c16(DBL(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(dbl(recip(z0))) → c16(DBL(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(dbl(sqr(z0))) → c16(DBL(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(dbl(s(z0))) → c16(DBL(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(dbl(add(z0, z1))) → c16(DBL(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(dbl(add(z0, z1))) → c16(DBL(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(dbl(dbl(z0))) → c16(DBL(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(dbl(first(z0, z1))) → c16(DBL(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(dbl(first(z0, z1))) → c16(DBL(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(terms(dbl(0))) → c9(TERMS(mark(0)))
ACTIVE(cons(dbl(0), x1)) → c10(CONS(mark(0), x1))
ACTIVE(recip(dbl(0))) → c11(RECIP(mark(0)))
ACTIVE(sqr(dbl(0))) → c12(SQR(mark(0)))
ACTIVE(s(dbl(0))) → c13(S(mark(0)))
ACTIVE(dbl(sqr(0))) → c16(DBL(mark(0)))
ACTIVE(dbl(dbl(0))) → c16(DBL(mark(0)))
PROPER(terms(terms(z0))) → c37(TERMS(terms(proper(z0))), PROPER(terms(z0)))
PROPER(terms(cons(z0, z1))) → c37(TERMS(cons(proper(z0), proper(z1))), PROPER(cons(z0, z1)))
PROPER(terms(recip(z0))) → c37(TERMS(recip(proper(z0))), PROPER(recip(z0)))
PROPER(terms(sqr(z0))) → c37(TERMS(sqr(proper(z0))), PROPER(sqr(z0)))
PROPER(terms(s(z0))) → c37(TERMS(s(proper(z0))), PROPER(s(z0)))
PROPER(terms(add(z0, z1))) → c37(TERMS(add(proper(z0), proper(z1))), PROPER(add(z0, z1)))
PROPER(terms(dbl(z0))) → c37(TERMS(dbl(proper(z0))), PROPER(dbl(z0)))
PROPER(terms(first(z0, z1))) → c37(TERMS(first(proper(z0), proper(z1))), PROPER(first(z0, z1)))
PROPER(terms(0)) → c37(TERMS(ok(0)))
PROPER(terms(nil)) → c37(TERMS(ok(nil)))
PROPER(cons(x0, terms(z0))) → c38(CONS(proper(x0), terms(proper(z0))), PROPER(x0), PROPER(terms(z0)))
PROPER(cons(x0, cons(z0, z1))) → c38(CONS(proper(x0), cons(proper(z0), proper(z1))), PROPER(x0), PROPER(cons(z0, z1)))
PROPER(cons(x0, recip(z0))) → c38(CONS(proper(x0), recip(proper(z0))), PROPER(x0), PROPER(recip(z0)))
PROPER(cons(x0, sqr(z0))) → c38(CONS(proper(x0), sqr(proper(z0))), PROPER(x0), PROPER(sqr(z0)))
PROPER(cons(x0, s(z0))) → c38(CONS(proper(x0), s(proper(z0))), PROPER(x0), PROPER(s(z0)))
PROPER(cons(x0, 0)) → c38(CONS(proper(x0), ok(0)), PROPER(x0), PROPER(0))
PROPER(cons(x0, add(z0, z1))) → c38(CONS(proper(x0), add(proper(z0), proper(z1))), PROPER(x0), PROPER(add(z0, z1)))
PROPER(cons(x0, dbl(z0))) → c38(CONS(proper(x0), dbl(proper(z0))), PROPER(x0), PROPER(dbl(z0)))
PROPER(cons(x0, first(z0, z1))) → c38(CONS(proper(x0), first(proper(z0), proper(z1))), PROPER(x0), PROPER(first(z0, z1)))
PROPER(cons(x0, nil)) → c38(CONS(proper(x0), ok(nil)), PROPER(x0), PROPER(nil))
PROPER(cons(terms(z0), x1)) → c38(CONS(terms(proper(z0)), proper(x1)), PROPER(terms(z0)), PROPER(x1))
PROPER(cons(cons(z0, z1), x1)) → c38(CONS(cons(proper(z0), proper(z1)), proper(x1)), PROPER(cons(z0, z1)), PROPER(x1))
PROPER(cons(recip(z0), x1)) → c38(CONS(recip(proper(z0)), proper(x1)), PROPER(recip(z0)), PROPER(x1))
PROPER(cons(sqr(z0), x1)) → c38(CONS(sqr(proper(z0)), proper(x1)), PROPER(sqr(z0)), PROPER(x1))
PROPER(cons(s(z0), x1)) → c38(CONS(s(proper(z0)), proper(x1)), PROPER(s(z0)), PROPER(x1))
PROPER(cons(0, x1)) → c38(CONS(ok(0), proper(x1)), PROPER(0), PROPER(x1))
PROPER(cons(add(z0, z1), x1)) → c38(CONS(add(proper(z0), proper(z1)), proper(x1)), PROPER(add(z0, z1)), PROPER(x1))
PROPER(cons(dbl(z0), x1)) → c38(CONS(dbl(proper(z0)), proper(x1)), PROPER(dbl(z0)), PROPER(x1))
PROPER(cons(first(z0, z1), x1)) → c38(CONS(first(proper(z0), proper(z1)), proper(x1)), PROPER(first(z0, z1)), PROPER(x1))
PROPER(cons(nil, x1)) → c38(CONS(ok(nil), proper(x1)), PROPER(nil), PROPER(x1))
K tuples:none
Defined Rule Symbols:

active, cons, first, terms, recip, sqr, s, add, dbl, proper

Defined Pair Symbols:

ACTIVE, TERMS, CONS, RECIP, SQR, S, ADD, DBL, FIRST, PROPER, TOP

Compound Symbols:

c14, c15, c17, c18, c19, c20, c21, c22, c23, c24, c25, c26, c27, c28, c29, c30, c31, c32, c33, c34, c35, c36, c39, c40, c41, c43, c44, c45, c47, c48, c4, c6, c1, c9, c10, c11, c12, c9, c10, c11, c12, c13, c13, c16, c16, c37, c37, c38

(35) CdtRhsSimplificationProcessorProof (BOTH BOUNDS(ID, ID) transformation)

Removed 4 trailing tuple parts

(36) Obligation:

Complexity Dependency Tuples Problem
Rules:

active(terms(z0)) → mark(cons(recip(sqr(z0)), terms(s(z0))))
active(sqr(0)) → mark(0)
active(sqr(s(z0))) → mark(s(add(sqr(z0), dbl(z0))))
active(dbl(0)) → mark(0)
active(dbl(s(z0))) → mark(s(s(dbl(z0))))
active(add(0, z0)) → mark(z0)
active(add(s(z0), z1)) → mark(s(add(z0, z1)))
active(first(0, z0)) → mark(nil)
active(first(s(z0), cons(z1, z2))) → mark(cons(z1, first(z0, z2)))
active(terms(z0)) → terms(active(z0))
active(cons(z0, z1)) → cons(active(z0), z1)
active(recip(z0)) → recip(active(z0))
active(sqr(z0)) → sqr(active(z0))
active(s(z0)) → s(active(z0))
active(add(z0, z1)) → add(active(z0), z1)
active(add(z0, z1)) → add(z0, active(z1))
active(dbl(z0)) → dbl(active(z0))
active(first(z0, z1)) → first(active(z0), z1)
active(first(z0, z1)) → first(z0, active(z1))
cons(ok(z0), ok(z1)) → ok(cons(z0, z1))
cons(mark(z0), z1) → mark(cons(z0, z1))
first(z0, mark(z1)) → mark(first(z0, z1))
first(mark(z0), z1) → mark(first(z0, z1))
first(ok(z0), ok(z1)) → ok(first(z0, z1))
terms(mark(z0)) → mark(terms(z0))
terms(ok(z0)) → ok(terms(z0))
recip(mark(z0)) → mark(recip(z0))
recip(ok(z0)) → ok(recip(z0))
sqr(mark(z0)) → mark(sqr(z0))
sqr(ok(z0)) → ok(sqr(z0))
s(mark(z0)) → mark(s(z0))
s(ok(z0)) → ok(s(z0))
add(mark(z0), z1) → mark(add(z0, z1))
add(ok(z0), ok(z1)) → ok(add(z0, z1))
add(z0, mark(z1)) → mark(add(z0, z1))
dbl(mark(z0)) → mark(dbl(z0))
dbl(ok(z0)) → ok(dbl(z0))
proper(terms(z0)) → terms(proper(z0))
proper(cons(z0, z1)) → cons(proper(z0), proper(z1))
proper(recip(z0)) → recip(proper(z0))
proper(sqr(z0)) → sqr(proper(z0))
proper(s(z0)) → s(proper(z0))
proper(0) → ok(0)
proper(add(z0, z1)) → add(proper(z0), proper(z1))
proper(dbl(z0)) → dbl(proper(z0))
proper(first(z0, z1)) → first(proper(z0), proper(z1))
proper(nil) → ok(nil)
Tuples:

ACTIVE(add(z0, z1)) → c14(ADD(active(z0), z1), ACTIVE(z0))
ACTIVE(add(z0, z1)) → c15(ADD(z0, active(z1)), ACTIVE(z1))
ACTIVE(first(z0, z1)) → c17(FIRST(active(z0), z1), ACTIVE(z0))
ACTIVE(first(z0, z1)) → c18(FIRST(z0, active(z1)), ACTIVE(z1))
TERMS(mark(z0)) → c19(TERMS(z0))
TERMS(ok(z0)) → c20(TERMS(z0))
CONS(mark(z0), z1) → c21(CONS(z0, z1))
CONS(ok(z0), ok(z1)) → c22(CONS(z0, z1))
RECIP(mark(z0)) → c23(RECIP(z0))
RECIP(ok(z0)) → c24(RECIP(z0))
SQR(mark(z0)) → c25(SQR(z0))
SQR(ok(z0)) → c26(SQR(z0))
S(mark(z0)) → c27(S(z0))
S(ok(z0)) → c28(S(z0))
ADD(mark(z0), z1) → c29(ADD(z0, z1))
ADD(z0, mark(z1)) → c30(ADD(z0, z1))
ADD(ok(z0), ok(z1)) → c31(ADD(z0, z1))
DBL(mark(z0)) → c32(DBL(z0))
DBL(ok(z0)) → c33(DBL(z0))
FIRST(mark(z0), z1) → c34(FIRST(z0, z1))
FIRST(z0, mark(z1)) → c35(FIRST(z0, z1))
FIRST(ok(z0), ok(z1)) → c36(FIRST(z0, z1))
PROPER(recip(z0)) → c39(RECIP(proper(z0)), PROPER(z0))
PROPER(sqr(z0)) → c40(SQR(proper(z0)), PROPER(z0))
PROPER(s(z0)) → c41(S(proper(z0)), PROPER(z0))
PROPER(add(z0, z1)) → c43(ADD(proper(z0), proper(z1)), PROPER(z0), PROPER(z1))
PROPER(dbl(z0)) → c44(DBL(proper(z0)), PROPER(z0))
PROPER(first(z0, z1)) → c45(FIRST(proper(z0), proper(z1)), PROPER(z0), PROPER(z1))
TOP(mark(z0)) → c47(TOP(proper(z0)), PROPER(z0))
TOP(ok(z0)) → c48(TOP(active(z0)), ACTIVE(z0))
ACTIVE(dbl(s(z0))) → c4(DBL(z0))
ACTIVE(add(s(z0), z1)) → c6(ADD(z0, z1))
ACTIVE(first(s(z0), cons(z1, z2))) → c1(CONS(z1, first(z0, z2)))
ACTIVE(first(s(z0), cons(z1, z2))) → c1(FIRST(z0, z2))
ACTIVE(terms(z0)) → c1(SQR(z0))
ACTIVE(terms(z0)) → c1(S(z0))
ACTIVE(sqr(s(z0))) → c1(SQR(z0))
ACTIVE(sqr(s(z0))) → c1(DBL(z0))
ACTIVE(terms(terms(z0))) → c9(TERMS(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(terms(sqr(s(z0)))) → c9(TERMS(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(terms(dbl(s(z0)))) → c9(TERMS(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(terms(add(0, z0))) → c9(TERMS(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(terms(add(s(z0), z1))) → c9(TERMS(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(terms(first(0, z0))) → c9(TERMS(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(terms(first(s(z0), cons(z1, z2)))) → c9(TERMS(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(terms(terms(z0))) → c9(TERMS(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(terms(cons(z0, z1))) → c9(TERMS(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(terms(recip(z0))) → c9(TERMS(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(terms(sqr(z0))) → c9(TERMS(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(terms(s(z0))) → c9(TERMS(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(terms(add(z0, z1))) → c9(TERMS(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(terms(add(z0, z1))) → c9(TERMS(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(terms(dbl(z0))) → c9(TERMS(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(terms(first(z0, z1))) → c9(TERMS(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(terms(first(z0, z1))) → c9(TERMS(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(cons(terms(z0), x1)) → c10(CONS(mark(cons(recip(sqr(z0)), terms(s(z0)))), x1), ACTIVE(terms(z0)))
ACTIVE(cons(sqr(s(z0)), x1)) → c10(CONS(mark(s(add(sqr(z0), dbl(z0)))), x1), ACTIVE(sqr(s(z0))))
ACTIVE(cons(dbl(s(z0)), x1)) → c10(CONS(mark(s(s(dbl(z0)))), x1), ACTIVE(dbl(s(z0))))
ACTIVE(cons(add(0, z0), x1)) → c10(CONS(mark(z0), x1), ACTIVE(add(0, z0)))
ACTIVE(cons(add(s(z0), z1), x1)) → c10(CONS(mark(s(add(z0, z1))), x1), ACTIVE(add(s(z0), z1)))
ACTIVE(cons(first(0, z0), x1)) → c10(CONS(mark(nil), x1), ACTIVE(first(0, z0)))
ACTIVE(cons(first(s(z0), cons(z1, z2)), x1)) → c10(CONS(mark(cons(z1, first(z0, z2))), x1), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(cons(terms(z0), x1)) → c10(CONS(terms(active(z0)), x1), ACTIVE(terms(z0)))
ACTIVE(cons(cons(z0, z1), x1)) → c10(CONS(cons(active(z0), z1), x1), ACTIVE(cons(z0, z1)))
ACTIVE(cons(recip(z0), x1)) → c10(CONS(recip(active(z0)), x1), ACTIVE(recip(z0)))
ACTIVE(cons(sqr(z0), x1)) → c10(CONS(sqr(active(z0)), x1), ACTIVE(sqr(z0)))
ACTIVE(cons(s(z0), x1)) → c10(CONS(s(active(z0)), x1), ACTIVE(s(z0)))
ACTIVE(cons(add(z0, z1), x1)) → c10(CONS(add(active(z0), z1), x1), ACTIVE(add(z0, z1)))
ACTIVE(cons(add(z0, z1), x1)) → c10(CONS(add(z0, active(z1)), x1), ACTIVE(add(z0, z1)))
ACTIVE(cons(dbl(z0), x1)) → c10(CONS(dbl(active(z0)), x1), ACTIVE(dbl(z0)))
ACTIVE(cons(first(z0, z1), x1)) → c10(CONS(first(active(z0), z1), x1), ACTIVE(first(z0, z1)))
ACTIVE(cons(first(z0, z1), x1)) → c10(CONS(first(z0, active(z1)), x1), ACTIVE(first(z0, z1)))
ACTIVE(recip(terms(z0))) → c11(RECIP(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(recip(sqr(s(z0)))) → c11(RECIP(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(recip(dbl(s(z0)))) → c11(RECIP(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(recip(add(0, z0))) → c11(RECIP(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(recip(add(s(z0), z1))) → c11(RECIP(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(recip(first(0, z0))) → c11(RECIP(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(recip(first(s(z0), cons(z1, z2)))) → c11(RECIP(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(recip(terms(z0))) → c11(RECIP(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(recip(cons(z0, z1))) → c11(RECIP(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(recip(recip(z0))) → c11(RECIP(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(recip(sqr(z0))) → c11(RECIP(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(recip(s(z0))) → c11(RECIP(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(recip(add(z0, z1))) → c11(RECIP(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(recip(add(z0, z1))) → c11(RECIP(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(recip(dbl(z0))) → c11(RECIP(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(recip(first(z0, z1))) → c11(RECIP(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(recip(first(z0, z1))) → c11(RECIP(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(sqr(terms(z0))) → c12(SQR(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(sqr(sqr(s(z0)))) → c12(SQR(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(sqr(dbl(s(z0)))) → c12(SQR(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(sqr(add(0, z0))) → c12(SQR(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(sqr(add(s(z0), z1))) → c12(SQR(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(sqr(first(0, z0))) → c12(SQR(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(sqr(first(s(z0), cons(z1, z2)))) → c12(SQR(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(sqr(terms(z0))) → c12(SQR(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(sqr(cons(z0, z1))) → c12(SQR(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(sqr(recip(z0))) → c12(SQR(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(sqr(sqr(z0))) → c12(SQR(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(sqr(s(z0))) → c12(SQR(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(sqr(add(z0, z1))) → c12(SQR(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(sqr(add(z0, z1))) → c12(SQR(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(sqr(dbl(z0))) → c12(SQR(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(sqr(first(z0, z1))) → c12(SQR(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(sqr(first(z0, z1))) → c12(SQR(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(terms(sqr(0))) → c9(TERMS(mark(0)))
ACTIVE(cons(sqr(0), x1)) → c10(CONS(mark(0), x1))
ACTIVE(recip(sqr(0))) → c11(RECIP(mark(0)))
ACTIVE(sqr(sqr(0))) → c12(SQR(mark(0)))
ACTIVE(s(terms(z0))) → c13(S(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(s(sqr(s(z0)))) → c13(S(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(s(dbl(s(z0)))) → c13(S(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(s(add(0, z0))) → c13(S(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(s(add(s(z0), z1))) → c13(S(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(s(first(0, z0))) → c13(S(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(s(first(s(z0), cons(z1, z2)))) → c13(S(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(s(terms(z0))) → c13(S(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(s(cons(z0, z1))) → c13(S(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(s(recip(z0))) → c13(S(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(s(sqr(z0))) → c13(S(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(s(s(z0))) → c13(S(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(s(add(z0, z1))) → c13(S(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(s(add(z0, z1))) → c13(S(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(s(dbl(z0))) → c13(S(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(s(first(z0, z1))) → c13(S(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(s(first(z0, z1))) → c13(S(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(s(sqr(0))) → c13(S(mark(0)))
ACTIVE(dbl(terms(z0))) → c16(DBL(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(dbl(sqr(s(z0)))) → c16(DBL(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(dbl(dbl(s(z0)))) → c16(DBL(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(dbl(add(0, z0))) → c16(DBL(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(dbl(add(s(z0), z1))) → c16(DBL(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(dbl(first(0, z0))) → c16(DBL(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(dbl(first(s(z0), cons(z1, z2)))) → c16(DBL(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(dbl(terms(z0))) → c16(DBL(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(dbl(cons(z0, z1))) → c16(DBL(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(dbl(recip(z0))) → c16(DBL(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(dbl(sqr(z0))) → c16(DBL(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(dbl(s(z0))) → c16(DBL(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(dbl(add(z0, z1))) → c16(DBL(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(dbl(add(z0, z1))) → c16(DBL(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(dbl(dbl(z0))) → c16(DBL(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(dbl(first(z0, z1))) → c16(DBL(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(dbl(first(z0, z1))) → c16(DBL(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(terms(dbl(0))) → c9(TERMS(mark(0)))
ACTIVE(cons(dbl(0), x1)) → c10(CONS(mark(0), x1))
ACTIVE(recip(dbl(0))) → c11(RECIP(mark(0)))
ACTIVE(sqr(dbl(0))) → c12(SQR(mark(0)))
ACTIVE(s(dbl(0))) → c13(S(mark(0)))
ACTIVE(dbl(sqr(0))) → c16(DBL(mark(0)))
ACTIVE(dbl(dbl(0))) → c16(DBL(mark(0)))
PROPER(terms(terms(z0))) → c37(TERMS(terms(proper(z0))), PROPER(terms(z0)))
PROPER(terms(cons(z0, z1))) → c37(TERMS(cons(proper(z0), proper(z1))), PROPER(cons(z0, z1)))
PROPER(terms(recip(z0))) → c37(TERMS(recip(proper(z0))), PROPER(recip(z0)))
PROPER(terms(sqr(z0))) → c37(TERMS(sqr(proper(z0))), PROPER(sqr(z0)))
PROPER(terms(s(z0))) → c37(TERMS(s(proper(z0))), PROPER(s(z0)))
PROPER(terms(add(z0, z1))) → c37(TERMS(add(proper(z0), proper(z1))), PROPER(add(z0, z1)))
PROPER(terms(dbl(z0))) → c37(TERMS(dbl(proper(z0))), PROPER(dbl(z0)))
PROPER(terms(first(z0, z1))) → c37(TERMS(first(proper(z0), proper(z1))), PROPER(first(z0, z1)))
PROPER(terms(0)) → c37(TERMS(ok(0)))
PROPER(terms(nil)) → c37(TERMS(ok(nil)))
PROPER(cons(x0, terms(z0))) → c38(CONS(proper(x0), terms(proper(z0))), PROPER(x0), PROPER(terms(z0)))
PROPER(cons(x0, cons(z0, z1))) → c38(CONS(proper(x0), cons(proper(z0), proper(z1))), PROPER(x0), PROPER(cons(z0, z1)))
PROPER(cons(x0, recip(z0))) → c38(CONS(proper(x0), recip(proper(z0))), PROPER(x0), PROPER(recip(z0)))
PROPER(cons(x0, sqr(z0))) → c38(CONS(proper(x0), sqr(proper(z0))), PROPER(x0), PROPER(sqr(z0)))
PROPER(cons(x0, s(z0))) → c38(CONS(proper(x0), s(proper(z0))), PROPER(x0), PROPER(s(z0)))
PROPER(cons(x0, add(z0, z1))) → c38(CONS(proper(x0), add(proper(z0), proper(z1))), PROPER(x0), PROPER(add(z0, z1)))
PROPER(cons(x0, dbl(z0))) → c38(CONS(proper(x0), dbl(proper(z0))), PROPER(x0), PROPER(dbl(z0)))
PROPER(cons(x0, first(z0, z1))) → c38(CONS(proper(x0), first(proper(z0), proper(z1))), PROPER(x0), PROPER(first(z0, z1)))
PROPER(cons(terms(z0), x1)) → c38(CONS(terms(proper(z0)), proper(x1)), PROPER(terms(z0)), PROPER(x1))
PROPER(cons(cons(z0, z1), x1)) → c38(CONS(cons(proper(z0), proper(z1)), proper(x1)), PROPER(cons(z0, z1)), PROPER(x1))
PROPER(cons(recip(z0), x1)) → c38(CONS(recip(proper(z0)), proper(x1)), PROPER(recip(z0)), PROPER(x1))
PROPER(cons(sqr(z0), x1)) → c38(CONS(sqr(proper(z0)), proper(x1)), PROPER(sqr(z0)), PROPER(x1))
PROPER(cons(s(z0), x1)) → c38(CONS(s(proper(z0)), proper(x1)), PROPER(s(z0)), PROPER(x1))
PROPER(cons(add(z0, z1), x1)) → c38(CONS(add(proper(z0), proper(z1)), proper(x1)), PROPER(add(z0, z1)), PROPER(x1))
PROPER(cons(dbl(z0), x1)) → c38(CONS(dbl(proper(z0)), proper(x1)), PROPER(dbl(z0)), PROPER(x1))
PROPER(cons(first(z0, z1), x1)) → c38(CONS(first(proper(z0), proper(z1)), proper(x1)), PROPER(first(z0, z1)), PROPER(x1))
PROPER(cons(x0, 0)) → c38(CONS(proper(x0), ok(0)), PROPER(x0))
PROPER(cons(x0, nil)) → c38(CONS(proper(x0), ok(nil)), PROPER(x0))
PROPER(cons(0, x1)) → c38(CONS(ok(0), proper(x1)), PROPER(x1))
PROPER(cons(nil, x1)) → c38(CONS(ok(nil), proper(x1)), PROPER(x1))
S tuples:

ACTIVE(add(z0, z1)) → c14(ADD(active(z0), z1), ACTIVE(z0))
ACTIVE(add(z0, z1)) → c15(ADD(z0, active(z1)), ACTIVE(z1))
ACTIVE(first(z0, z1)) → c17(FIRST(active(z0), z1), ACTIVE(z0))
ACTIVE(first(z0, z1)) → c18(FIRST(z0, active(z1)), ACTIVE(z1))
TERMS(mark(z0)) → c19(TERMS(z0))
TERMS(ok(z0)) → c20(TERMS(z0))
CONS(mark(z0), z1) → c21(CONS(z0, z1))
CONS(ok(z0), ok(z1)) → c22(CONS(z0, z1))
RECIP(mark(z0)) → c23(RECIP(z0))
RECIP(ok(z0)) → c24(RECIP(z0))
SQR(mark(z0)) → c25(SQR(z0))
SQR(ok(z0)) → c26(SQR(z0))
S(mark(z0)) → c27(S(z0))
S(ok(z0)) → c28(S(z0))
ADD(mark(z0), z1) → c29(ADD(z0, z1))
ADD(z0, mark(z1)) → c30(ADD(z0, z1))
ADD(ok(z0), ok(z1)) → c31(ADD(z0, z1))
DBL(mark(z0)) → c32(DBL(z0))
DBL(ok(z0)) → c33(DBL(z0))
FIRST(mark(z0), z1) → c34(FIRST(z0, z1))
FIRST(z0, mark(z1)) → c35(FIRST(z0, z1))
FIRST(ok(z0), ok(z1)) → c36(FIRST(z0, z1))
PROPER(recip(z0)) → c39(RECIP(proper(z0)), PROPER(z0))
PROPER(sqr(z0)) → c40(SQR(proper(z0)), PROPER(z0))
PROPER(s(z0)) → c41(S(proper(z0)), PROPER(z0))
PROPER(add(z0, z1)) → c43(ADD(proper(z0), proper(z1)), PROPER(z0), PROPER(z1))
PROPER(dbl(z0)) → c44(DBL(proper(z0)), PROPER(z0))
PROPER(first(z0, z1)) → c45(FIRST(proper(z0), proper(z1)), PROPER(z0), PROPER(z1))
TOP(mark(z0)) → c47(TOP(proper(z0)), PROPER(z0))
TOP(ok(z0)) → c48(TOP(active(z0)), ACTIVE(z0))
ACTIVE(dbl(s(z0))) → c4(DBL(z0))
ACTIVE(add(s(z0), z1)) → c6(ADD(z0, z1))
ACTIVE(first(s(z0), cons(z1, z2))) → c1(CONS(z1, first(z0, z2)))
ACTIVE(first(s(z0), cons(z1, z2))) → c1(FIRST(z0, z2))
ACTIVE(terms(z0)) → c1(SQR(z0))
ACTIVE(terms(z0)) → c1(S(z0))
ACTIVE(sqr(s(z0))) → c1(SQR(z0))
ACTIVE(sqr(s(z0))) → c1(DBL(z0))
ACTIVE(terms(terms(z0))) → c9(TERMS(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(terms(sqr(s(z0)))) → c9(TERMS(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(terms(dbl(s(z0)))) → c9(TERMS(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(terms(add(0, z0))) → c9(TERMS(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(terms(add(s(z0), z1))) → c9(TERMS(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(terms(first(0, z0))) → c9(TERMS(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(terms(first(s(z0), cons(z1, z2)))) → c9(TERMS(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(terms(terms(z0))) → c9(TERMS(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(terms(cons(z0, z1))) → c9(TERMS(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(terms(recip(z0))) → c9(TERMS(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(terms(sqr(z0))) → c9(TERMS(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(terms(s(z0))) → c9(TERMS(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(terms(add(z0, z1))) → c9(TERMS(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(terms(add(z0, z1))) → c9(TERMS(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(terms(dbl(z0))) → c9(TERMS(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(terms(first(z0, z1))) → c9(TERMS(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(terms(first(z0, z1))) → c9(TERMS(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(cons(terms(z0), x1)) → c10(CONS(mark(cons(recip(sqr(z0)), terms(s(z0)))), x1), ACTIVE(terms(z0)))
ACTIVE(cons(sqr(s(z0)), x1)) → c10(CONS(mark(s(add(sqr(z0), dbl(z0)))), x1), ACTIVE(sqr(s(z0))))
ACTIVE(cons(dbl(s(z0)), x1)) → c10(CONS(mark(s(s(dbl(z0)))), x1), ACTIVE(dbl(s(z0))))
ACTIVE(cons(add(0, z0), x1)) → c10(CONS(mark(z0), x1), ACTIVE(add(0, z0)))
ACTIVE(cons(add(s(z0), z1), x1)) → c10(CONS(mark(s(add(z0, z1))), x1), ACTIVE(add(s(z0), z1)))
ACTIVE(cons(first(0, z0), x1)) → c10(CONS(mark(nil), x1), ACTIVE(first(0, z0)))
ACTIVE(cons(first(s(z0), cons(z1, z2)), x1)) → c10(CONS(mark(cons(z1, first(z0, z2))), x1), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(cons(terms(z0), x1)) → c10(CONS(terms(active(z0)), x1), ACTIVE(terms(z0)))
ACTIVE(cons(cons(z0, z1), x1)) → c10(CONS(cons(active(z0), z1), x1), ACTIVE(cons(z0, z1)))
ACTIVE(cons(recip(z0), x1)) → c10(CONS(recip(active(z0)), x1), ACTIVE(recip(z0)))
ACTIVE(cons(sqr(z0), x1)) → c10(CONS(sqr(active(z0)), x1), ACTIVE(sqr(z0)))
ACTIVE(cons(s(z0), x1)) → c10(CONS(s(active(z0)), x1), ACTIVE(s(z0)))
ACTIVE(cons(add(z0, z1), x1)) → c10(CONS(add(active(z0), z1), x1), ACTIVE(add(z0, z1)))
ACTIVE(cons(add(z0, z1), x1)) → c10(CONS(add(z0, active(z1)), x1), ACTIVE(add(z0, z1)))
ACTIVE(cons(dbl(z0), x1)) → c10(CONS(dbl(active(z0)), x1), ACTIVE(dbl(z0)))
ACTIVE(cons(first(z0, z1), x1)) → c10(CONS(first(active(z0), z1), x1), ACTIVE(first(z0, z1)))
ACTIVE(cons(first(z0, z1), x1)) → c10(CONS(first(z0, active(z1)), x1), ACTIVE(first(z0, z1)))
ACTIVE(recip(terms(z0))) → c11(RECIP(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(recip(sqr(s(z0)))) → c11(RECIP(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(recip(dbl(s(z0)))) → c11(RECIP(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(recip(add(0, z0))) → c11(RECIP(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(recip(add(s(z0), z1))) → c11(RECIP(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(recip(first(0, z0))) → c11(RECIP(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(recip(first(s(z0), cons(z1, z2)))) → c11(RECIP(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(recip(terms(z0))) → c11(RECIP(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(recip(cons(z0, z1))) → c11(RECIP(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(recip(recip(z0))) → c11(RECIP(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(recip(sqr(z0))) → c11(RECIP(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(recip(s(z0))) → c11(RECIP(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(recip(add(z0, z1))) → c11(RECIP(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(recip(add(z0, z1))) → c11(RECIP(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(recip(dbl(z0))) → c11(RECIP(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(recip(first(z0, z1))) → c11(RECIP(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(recip(first(z0, z1))) → c11(RECIP(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(sqr(terms(z0))) → c12(SQR(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(sqr(sqr(s(z0)))) → c12(SQR(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(sqr(dbl(s(z0)))) → c12(SQR(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(sqr(add(0, z0))) → c12(SQR(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(sqr(add(s(z0), z1))) → c12(SQR(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(sqr(first(0, z0))) → c12(SQR(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(sqr(first(s(z0), cons(z1, z2)))) → c12(SQR(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(sqr(terms(z0))) → c12(SQR(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(sqr(cons(z0, z1))) → c12(SQR(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(sqr(recip(z0))) → c12(SQR(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(sqr(sqr(z0))) → c12(SQR(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(sqr(s(z0))) → c12(SQR(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(sqr(add(z0, z1))) → c12(SQR(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(sqr(add(z0, z1))) → c12(SQR(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(sqr(dbl(z0))) → c12(SQR(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(sqr(first(z0, z1))) → c12(SQR(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(sqr(first(z0, z1))) → c12(SQR(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(terms(sqr(0))) → c9(TERMS(mark(0)))
ACTIVE(cons(sqr(0), x1)) → c10(CONS(mark(0), x1))
ACTIVE(recip(sqr(0))) → c11(RECIP(mark(0)))
ACTIVE(sqr(sqr(0))) → c12(SQR(mark(0)))
ACTIVE(s(terms(z0))) → c13(S(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(s(sqr(s(z0)))) → c13(S(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(s(dbl(s(z0)))) → c13(S(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(s(add(0, z0))) → c13(S(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(s(add(s(z0), z1))) → c13(S(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(s(first(0, z0))) → c13(S(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(s(first(s(z0), cons(z1, z2)))) → c13(S(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(s(terms(z0))) → c13(S(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(s(cons(z0, z1))) → c13(S(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(s(recip(z0))) → c13(S(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(s(sqr(z0))) → c13(S(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(s(s(z0))) → c13(S(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(s(add(z0, z1))) → c13(S(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(s(add(z0, z1))) → c13(S(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(s(dbl(z0))) → c13(S(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(s(first(z0, z1))) → c13(S(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(s(first(z0, z1))) → c13(S(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(s(sqr(0))) → c13(S(mark(0)))
ACTIVE(dbl(terms(z0))) → c16(DBL(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(dbl(sqr(s(z0)))) → c16(DBL(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(dbl(dbl(s(z0)))) → c16(DBL(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(dbl(add(0, z0))) → c16(DBL(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(dbl(add(s(z0), z1))) → c16(DBL(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(dbl(first(0, z0))) → c16(DBL(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(dbl(first(s(z0), cons(z1, z2)))) → c16(DBL(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(dbl(terms(z0))) → c16(DBL(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(dbl(cons(z0, z1))) → c16(DBL(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(dbl(recip(z0))) → c16(DBL(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(dbl(sqr(z0))) → c16(DBL(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(dbl(s(z0))) → c16(DBL(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(dbl(add(z0, z1))) → c16(DBL(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(dbl(add(z0, z1))) → c16(DBL(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(dbl(dbl(z0))) → c16(DBL(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(dbl(first(z0, z1))) → c16(DBL(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(dbl(first(z0, z1))) → c16(DBL(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(terms(dbl(0))) → c9(TERMS(mark(0)))
ACTIVE(cons(dbl(0), x1)) → c10(CONS(mark(0), x1))
ACTIVE(recip(dbl(0))) → c11(RECIP(mark(0)))
ACTIVE(sqr(dbl(0))) → c12(SQR(mark(0)))
ACTIVE(s(dbl(0))) → c13(S(mark(0)))
ACTIVE(dbl(sqr(0))) → c16(DBL(mark(0)))
ACTIVE(dbl(dbl(0))) → c16(DBL(mark(0)))
PROPER(terms(terms(z0))) → c37(TERMS(terms(proper(z0))), PROPER(terms(z0)))
PROPER(terms(cons(z0, z1))) → c37(TERMS(cons(proper(z0), proper(z1))), PROPER(cons(z0, z1)))
PROPER(terms(recip(z0))) → c37(TERMS(recip(proper(z0))), PROPER(recip(z0)))
PROPER(terms(sqr(z0))) → c37(TERMS(sqr(proper(z0))), PROPER(sqr(z0)))
PROPER(terms(s(z0))) → c37(TERMS(s(proper(z0))), PROPER(s(z0)))
PROPER(terms(add(z0, z1))) → c37(TERMS(add(proper(z0), proper(z1))), PROPER(add(z0, z1)))
PROPER(terms(dbl(z0))) → c37(TERMS(dbl(proper(z0))), PROPER(dbl(z0)))
PROPER(terms(first(z0, z1))) → c37(TERMS(first(proper(z0), proper(z1))), PROPER(first(z0, z1)))
PROPER(terms(0)) → c37(TERMS(ok(0)))
PROPER(terms(nil)) → c37(TERMS(ok(nil)))
PROPER(cons(x0, terms(z0))) → c38(CONS(proper(x0), terms(proper(z0))), PROPER(x0), PROPER(terms(z0)))
PROPER(cons(x0, cons(z0, z1))) → c38(CONS(proper(x0), cons(proper(z0), proper(z1))), PROPER(x0), PROPER(cons(z0, z1)))
PROPER(cons(x0, recip(z0))) → c38(CONS(proper(x0), recip(proper(z0))), PROPER(x0), PROPER(recip(z0)))
PROPER(cons(x0, sqr(z0))) → c38(CONS(proper(x0), sqr(proper(z0))), PROPER(x0), PROPER(sqr(z0)))
PROPER(cons(x0, s(z0))) → c38(CONS(proper(x0), s(proper(z0))), PROPER(x0), PROPER(s(z0)))
PROPER(cons(x0, add(z0, z1))) → c38(CONS(proper(x0), add(proper(z0), proper(z1))), PROPER(x0), PROPER(add(z0, z1)))
PROPER(cons(x0, dbl(z0))) → c38(CONS(proper(x0), dbl(proper(z0))), PROPER(x0), PROPER(dbl(z0)))
PROPER(cons(x0, first(z0, z1))) → c38(CONS(proper(x0), first(proper(z0), proper(z1))), PROPER(x0), PROPER(first(z0, z1)))
PROPER(cons(terms(z0), x1)) → c38(CONS(terms(proper(z0)), proper(x1)), PROPER(terms(z0)), PROPER(x1))
PROPER(cons(cons(z0, z1), x1)) → c38(CONS(cons(proper(z0), proper(z1)), proper(x1)), PROPER(cons(z0, z1)), PROPER(x1))
PROPER(cons(recip(z0), x1)) → c38(CONS(recip(proper(z0)), proper(x1)), PROPER(recip(z0)), PROPER(x1))
PROPER(cons(sqr(z0), x1)) → c38(CONS(sqr(proper(z0)), proper(x1)), PROPER(sqr(z0)), PROPER(x1))
PROPER(cons(s(z0), x1)) → c38(CONS(s(proper(z0)), proper(x1)), PROPER(s(z0)), PROPER(x1))
PROPER(cons(add(z0, z1), x1)) → c38(CONS(add(proper(z0), proper(z1)), proper(x1)), PROPER(add(z0, z1)), PROPER(x1))
PROPER(cons(dbl(z0), x1)) → c38(CONS(dbl(proper(z0)), proper(x1)), PROPER(dbl(z0)), PROPER(x1))
PROPER(cons(first(z0, z1), x1)) → c38(CONS(first(proper(z0), proper(z1)), proper(x1)), PROPER(first(z0, z1)), PROPER(x1))
PROPER(cons(x0, 0)) → c38(CONS(proper(x0), ok(0)), PROPER(x0))
PROPER(cons(x0, nil)) → c38(CONS(proper(x0), ok(nil)), PROPER(x0))
PROPER(cons(0, x1)) → c38(CONS(ok(0), proper(x1)), PROPER(x1))
PROPER(cons(nil, x1)) → c38(CONS(ok(nil), proper(x1)), PROPER(x1))
K tuples:none
Defined Rule Symbols:

active, cons, first, terms, recip, sqr, s, add, dbl, proper

Defined Pair Symbols:

ACTIVE, TERMS, CONS, RECIP, SQR, S, ADD, DBL, FIRST, PROPER, TOP

Compound Symbols:

c14, c15, c17, c18, c19, c20, c21, c22, c23, c24, c25, c26, c27, c28, c29, c30, c31, c32, c33, c34, c35, c36, c39, c40, c41, c43, c44, c45, c47, c48, c4, c6, c1, c9, c10, c11, c12, c9, c10, c11, c12, c13, c13, c16, c16, c37, c37, c38, c38

(37) CdtNarrowingProof (BOTH BOUNDS(ID, ID) transformation)

Use narrowing to replace PROPER(recip(z0)) → c39(RECIP(proper(z0)), PROPER(z0)) by

PROPER(recip(terms(z0))) → c39(RECIP(terms(proper(z0))), PROPER(terms(z0)))
PROPER(recip(cons(z0, z1))) → c39(RECIP(cons(proper(z0), proper(z1))), PROPER(cons(z0, z1)))
PROPER(recip(recip(z0))) → c39(RECIP(recip(proper(z0))), PROPER(recip(z0)))
PROPER(recip(sqr(z0))) → c39(RECIP(sqr(proper(z0))), PROPER(sqr(z0)))
PROPER(recip(s(z0))) → c39(RECIP(s(proper(z0))), PROPER(s(z0)))
PROPER(recip(0)) → c39(RECIP(ok(0)), PROPER(0))
PROPER(recip(add(z0, z1))) → c39(RECIP(add(proper(z0), proper(z1))), PROPER(add(z0, z1)))
PROPER(recip(dbl(z0))) → c39(RECIP(dbl(proper(z0))), PROPER(dbl(z0)))
PROPER(recip(first(z0, z1))) → c39(RECIP(first(proper(z0), proper(z1))), PROPER(first(z0, z1)))
PROPER(recip(nil)) → c39(RECIP(ok(nil)), PROPER(nil))

(38) Obligation:

Complexity Dependency Tuples Problem
Rules:

active(terms(z0)) → mark(cons(recip(sqr(z0)), terms(s(z0))))
active(sqr(0)) → mark(0)
active(sqr(s(z0))) → mark(s(add(sqr(z0), dbl(z0))))
active(dbl(0)) → mark(0)
active(dbl(s(z0))) → mark(s(s(dbl(z0))))
active(add(0, z0)) → mark(z0)
active(add(s(z0), z1)) → mark(s(add(z0, z1)))
active(first(0, z0)) → mark(nil)
active(first(s(z0), cons(z1, z2))) → mark(cons(z1, first(z0, z2)))
active(terms(z0)) → terms(active(z0))
active(cons(z0, z1)) → cons(active(z0), z1)
active(recip(z0)) → recip(active(z0))
active(sqr(z0)) → sqr(active(z0))
active(s(z0)) → s(active(z0))
active(add(z0, z1)) → add(active(z0), z1)
active(add(z0, z1)) → add(z0, active(z1))
active(dbl(z0)) → dbl(active(z0))
active(first(z0, z1)) → first(active(z0), z1)
active(first(z0, z1)) → first(z0, active(z1))
cons(ok(z0), ok(z1)) → ok(cons(z0, z1))
cons(mark(z0), z1) → mark(cons(z0, z1))
first(z0, mark(z1)) → mark(first(z0, z1))
first(mark(z0), z1) → mark(first(z0, z1))
first(ok(z0), ok(z1)) → ok(first(z0, z1))
terms(mark(z0)) → mark(terms(z0))
terms(ok(z0)) → ok(terms(z0))
recip(mark(z0)) → mark(recip(z0))
recip(ok(z0)) → ok(recip(z0))
sqr(mark(z0)) → mark(sqr(z0))
sqr(ok(z0)) → ok(sqr(z0))
s(mark(z0)) → mark(s(z0))
s(ok(z0)) → ok(s(z0))
add(mark(z0), z1) → mark(add(z0, z1))
add(ok(z0), ok(z1)) → ok(add(z0, z1))
add(z0, mark(z1)) → mark(add(z0, z1))
dbl(mark(z0)) → mark(dbl(z0))
dbl(ok(z0)) → ok(dbl(z0))
proper(terms(z0)) → terms(proper(z0))
proper(cons(z0, z1)) → cons(proper(z0), proper(z1))
proper(recip(z0)) → recip(proper(z0))
proper(sqr(z0)) → sqr(proper(z0))
proper(s(z0)) → s(proper(z0))
proper(0) → ok(0)
proper(add(z0, z1)) → add(proper(z0), proper(z1))
proper(dbl(z0)) → dbl(proper(z0))
proper(first(z0, z1)) → first(proper(z0), proper(z1))
proper(nil) → ok(nil)
Tuples:

ACTIVE(add(z0, z1)) → c14(ADD(active(z0), z1), ACTIVE(z0))
ACTIVE(add(z0, z1)) → c15(ADD(z0, active(z1)), ACTIVE(z1))
ACTIVE(first(z0, z1)) → c17(FIRST(active(z0), z1), ACTIVE(z0))
ACTIVE(first(z0, z1)) → c18(FIRST(z0, active(z1)), ACTIVE(z1))
TERMS(mark(z0)) → c19(TERMS(z0))
TERMS(ok(z0)) → c20(TERMS(z0))
CONS(mark(z0), z1) → c21(CONS(z0, z1))
CONS(ok(z0), ok(z1)) → c22(CONS(z0, z1))
RECIP(mark(z0)) → c23(RECIP(z0))
RECIP(ok(z0)) → c24(RECIP(z0))
SQR(mark(z0)) → c25(SQR(z0))
SQR(ok(z0)) → c26(SQR(z0))
S(mark(z0)) → c27(S(z0))
S(ok(z0)) → c28(S(z0))
ADD(mark(z0), z1) → c29(ADD(z0, z1))
ADD(z0, mark(z1)) → c30(ADD(z0, z1))
ADD(ok(z0), ok(z1)) → c31(ADD(z0, z1))
DBL(mark(z0)) → c32(DBL(z0))
DBL(ok(z0)) → c33(DBL(z0))
FIRST(mark(z0), z1) → c34(FIRST(z0, z1))
FIRST(z0, mark(z1)) → c35(FIRST(z0, z1))
FIRST(ok(z0), ok(z1)) → c36(FIRST(z0, z1))
PROPER(sqr(z0)) → c40(SQR(proper(z0)), PROPER(z0))
PROPER(s(z0)) → c41(S(proper(z0)), PROPER(z0))
PROPER(add(z0, z1)) → c43(ADD(proper(z0), proper(z1)), PROPER(z0), PROPER(z1))
PROPER(dbl(z0)) → c44(DBL(proper(z0)), PROPER(z0))
PROPER(first(z0, z1)) → c45(FIRST(proper(z0), proper(z1)), PROPER(z0), PROPER(z1))
TOP(mark(z0)) → c47(TOP(proper(z0)), PROPER(z0))
TOP(ok(z0)) → c48(TOP(active(z0)), ACTIVE(z0))
ACTIVE(dbl(s(z0))) → c4(DBL(z0))
ACTIVE(add(s(z0), z1)) → c6(ADD(z0, z1))
ACTIVE(first(s(z0), cons(z1, z2))) → c1(CONS(z1, first(z0, z2)))
ACTIVE(first(s(z0), cons(z1, z2))) → c1(FIRST(z0, z2))
ACTIVE(terms(z0)) → c1(SQR(z0))
ACTIVE(terms(z0)) → c1(S(z0))
ACTIVE(sqr(s(z0))) → c1(SQR(z0))
ACTIVE(sqr(s(z0))) → c1(DBL(z0))
ACTIVE(terms(terms(z0))) → c9(TERMS(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(terms(sqr(s(z0)))) → c9(TERMS(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(terms(dbl(s(z0)))) → c9(TERMS(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(terms(add(0, z0))) → c9(TERMS(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(terms(add(s(z0), z1))) → c9(TERMS(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(terms(first(0, z0))) → c9(TERMS(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(terms(first(s(z0), cons(z1, z2)))) → c9(TERMS(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(terms(terms(z0))) → c9(TERMS(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(terms(cons(z0, z1))) → c9(TERMS(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(terms(recip(z0))) → c9(TERMS(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(terms(sqr(z0))) → c9(TERMS(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(terms(s(z0))) → c9(TERMS(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(terms(add(z0, z1))) → c9(TERMS(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(terms(add(z0, z1))) → c9(TERMS(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(terms(dbl(z0))) → c9(TERMS(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(terms(first(z0, z1))) → c9(TERMS(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(terms(first(z0, z1))) → c9(TERMS(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(cons(terms(z0), x1)) → c10(CONS(mark(cons(recip(sqr(z0)), terms(s(z0)))), x1), ACTIVE(terms(z0)))
ACTIVE(cons(sqr(s(z0)), x1)) → c10(CONS(mark(s(add(sqr(z0), dbl(z0)))), x1), ACTIVE(sqr(s(z0))))
ACTIVE(cons(dbl(s(z0)), x1)) → c10(CONS(mark(s(s(dbl(z0)))), x1), ACTIVE(dbl(s(z0))))
ACTIVE(cons(add(0, z0), x1)) → c10(CONS(mark(z0), x1), ACTIVE(add(0, z0)))
ACTIVE(cons(add(s(z0), z1), x1)) → c10(CONS(mark(s(add(z0, z1))), x1), ACTIVE(add(s(z0), z1)))
ACTIVE(cons(first(0, z0), x1)) → c10(CONS(mark(nil), x1), ACTIVE(first(0, z0)))
ACTIVE(cons(first(s(z0), cons(z1, z2)), x1)) → c10(CONS(mark(cons(z1, first(z0, z2))), x1), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(cons(terms(z0), x1)) → c10(CONS(terms(active(z0)), x1), ACTIVE(terms(z0)))
ACTIVE(cons(cons(z0, z1), x1)) → c10(CONS(cons(active(z0), z1), x1), ACTIVE(cons(z0, z1)))
ACTIVE(cons(recip(z0), x1)) → c10(CONS(recip(active(z0)), x1), ACTIVE(recip(z0)))
ACTIVE(cons(sqr(z0), x1)) → c10(CONS(sqr(active(z0)), x1), ACTIVE(sqr(z0)))
ACTIVE(cons(s(z0), x1)) → c10(CONS(s(active(z0)), x1), ACTIVE(s(z0)))
ACTIVE(cons(add(z0, z1), x1)) → c10(CONS(add(active(z0), z1), x1), ACTIVE(add(z0, z1)))
ACTIVE(cons(add(z0, z1), x1)) → c10(CONS(add(z0, active(z1)), x1), ACTIVE(add(z0, z1)))
ACTIVE(cons(dbl(z0), x1)) → c10(CONS(dbl(active(z0)), x1), ACTIVE(dbl(z0)))
ACTIVE(cons(first(z0, z1), x1)) → c10(CONS(first(active(z0), z1), x1), ACTIVE(first(z0, z1)))
ACTIVE(cons(first(z0, z1), x1)) → c10(CONS(first(z0, active(z1)), x1), ACTIVE(first(z0, z1)))
ACTIVE(recip(terms(z0))) → c11(RECIP(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(recip(sqr(s(z0)))) → c11(RECIP(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(recip(dbl(s(z0)))) → c11(RECIP(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(recip(add(0, z0))) → c11(RECIP(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(recip(add(s(z0), z1))) → c11(RECIP(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(recip(first(0, z0))) → c11(RECIP(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(recip(first(s(z0), cons(z1, z2)))) → c11(RECIP(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(recip(terms(z0))) → c11(RECIP(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(recip(cons(z0, z1))) → c11(RECIP(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(recip(recip(z0))) → c11(RECIP(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(recip(sqr(z0))) → c11(RECIP(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(recip(s(z0))) → c11(RECIP(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(recip(add(z0, z1))) → c11(RECIP(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(recip(add(z0, z1))) → c11(RECIP(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(recip(dbl(z0))) → c11(RECIP(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(recip(first(z0, z1))) → c11(RECIP(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(recip(first(z0, z1))) → c11(RECIP(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(sqr(terms(z0))) → c12(SQR(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(sqr(sqr(s(z0)))) → c12(SQR(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(sqr(dbl(s(z0)))) → c12(SQR(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(sqr(add(0, z0))) → c12(SQR(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(sqr(add(s(z0), z1))) → c12(SQR(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(sqr(first(0, z0))) → c12(SQR(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(sqr(first(s(z0), cons(z1, z2)))) → c12(SQR(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(sqr(terms(z0))) → c12(SQR(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(sqr(cons(z0, z1))) → c12(SQR(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(sqr(recip(z0))) → c12(SQR(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(sqr(sqr(z0))) → c12(SQR(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(sqr(s(z0))) → c12(SQR(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(sqr(add(z0, z1))) → c12(SQR(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(sqr(add(z0, z1))) → c12(SQR(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(sqr(dbl(z0))) → c12(SQR(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(sqr(first(z0, z1))) → c12(SQR(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(sqr(first(z0, z1))) → c12(SQR(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(terms(sqr(0))) → c9(TERMS(mark(0)))
ACTIVE(cons(sqr(0), x1)) → c10(CONS(mark(0), x1))
ACTIVE(recip(sqr(0))) → c11(RECIP(mark(0)))
ACTIVE(sqr(sqr(0))) → c12(SQR(mark(0)))
ACTIVE(s(terms(z0))) → c13(S(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(s(sqr(s(z0)))) → c13(S(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(s(dbl(s(z0)))) → c13(S(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(s(add(0, z0))) → c13(S(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(s(add(s(z0), z1))) → c13(S(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(s(first(0, z0))) → c13(S(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(s(first(s(z0), cons(z1, z2)))) → c13(S(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(s(terms(z0))) → c13(S(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(s(cons(z0, z1))) → c13(S(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(s(recip(z0))) → c13(S(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(s(sqr(z0))) → c13(S(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(s(s(z0))) → c13(S(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(s(add(z0, z1))) → c13(S(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(s(add(z0, z1))) → c13(S(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(s(dbl(z0))) → c13(S(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(s(first(z0, z1))) → c13(S(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(s(first(z0, z1))) → c13(S(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(s(sqr(0))) → c13(S(mark(0)))
ACTIVE(dbl(terms(z0))) → c16(DBL(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(dbl(sqr(s(z0)))) → c16(DBL(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(dbl(dbl(s(z0)))) → c16(DBL(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(dbl(add(0, z0))) → c16(DBL(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(dbl(add(s(z0), z1))) → c16(DBL(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(dbl(first(0, z0))) → c16(DBL(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(dbl(first(s(z0), cons(z1, z2)))) → c16(DBL(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(dbl(terms(z0))) → c16(DBL(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(dbl(cons(z0, z1))) → c16(DBL(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(dbl(recip(z0))) → c16(DBL(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(dbl(sqr(z0))) → c16(DBL(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(dbl(s(z0))) → c16(DBL(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(dbl(add(z0, z1))) → c16(DBL(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(dbl(add(z0, z1))) → c16(DBL(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(dbl(dbl(z0))) → c16(DBL(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(dbl(first(z0, z1))) → c16(DBL(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(dbl(first(z0, z1))) → c16(DBL(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(terms(dbl(0))) → c9(TERMS(mark(0)))
ACTIVE(cons(dbl(0), x1)) → c10(CONS(mark(0), x1))
ACTIVE(recip(dbl(0))) → c11(RECIP(mark(0)))
ACTIVE(sqr(dbl(0))) → c12(SQR(mark(0)))
ACTIVE(s(dbl(0))) → c13(S(mark(0)))
ACTIVE(dbl(sqr(0))) → c16(DBL(mark(0)))
ACTIVE(dbl(dbl(0))) → c16(DBL(mark(0)))
PROPER(terms(terms(z0))) → c37(TERMS(terms(proper(z0))), PROPER(terms(z0)))
PROPER(terms(cons(z0, z1))) → c37(TERMS(cons(proper(z0), proper(z1))), PROPER(cons(z0, z1)))
PROPER(terms(recip(z0))) → c37(TERMS(recip(proper(z0))), PROPER(recip(z0)))
PROPER(terms(sqr(z0))) → c37(TERMS(sqr(proper(z0))), PROPER(sqr(z0)))
PROPER(terms(s(z0))) → c37(TERMS(s(proper(z0))), PROPER(s(z0)))
PROPER(terms(add(z0, z1))) → c37(TERMS(add(proper(z0), proper(z1))), PROPER(add(z0, z1)))
PROPER(terms(dbl(z0))) → c37(TERMS(dbl(proper(z0))), PROPER(dbl(z0)))
PROPER(terms(first(z0, z1))) → c37(TERMS(first(proper(z0), proper(z1))), PROPER(first(z0, z1)))
PROPER(terms(0)) → c37(TERMS(ok(0)))
PROPER(terms(nil)) → c37(TERMS(ok(nil)))
PROPER(cons(x0, terms(z0))) → c38(CONS(proper(x0), terms(proper(z0))), PROPER(x0), PROPER(terms(z0)))
PROPER(cons(x0, cons(z0, z1))) → c38(CONS(proper(x0), cons(proper(z0), proper(z1))), PROPER(x0), PROPER(cons(z0, z1)))
PROPER(cons(x0, recip(z0))) → c38(CONS(proper(x0), recip(proper(z0))), PROPER(x0), PROPER(recip(z0)))
PROPER(cons(x0, sqr(z0))) → c38(CONS(proper(x0), sqr(proper(z0))), PROPER(x0), PROPER(sqr(z0)))
PROPER(cons(x0, s(z0))) → c38(CONS(proper(x0), s(proper(z0))), PROPER(x0), PROPER(s(z0)))
PROPER(cons(x0, add(z0, z1))) → c38(CONS(proper(x0), add(proper(z0), proper(z1))), PROPER(x0), PROPER(add(z0, z1)))
PROPER(cons(x0, dbl(z0))) → c38(CONS(proper(x0), dbl(proper(z0))), PROPER(x0), PROPER(dbl(z0)))
PROPER(cons(x0, first(z0, z1))) → c38(CONS(proper(x0), first(proper(z0), proper(z1))), PROPER(x0), PROPER(first(z0, z1)))
PROPER(cons(terms(z0), x1)) → c38(CONS(terms(proper(z0)), proper(x1)), PROPER(terms(z0)), PROPER(x1))
PROPER(cons(cons(z0, z1), x1)) → c38(CONS(cons(proper(z0), proper(z1)), proper(x1)), PROPER(cons(z0, z1)), PROPER(x1))
PROPER(cons(recip(z0), x1)) → c38(CONS(recip(proper(z0)), proper(x1)), PROPER(recip(z0)), PROPER(x1))
PROPER(cons(sqr(z0), x1)) → c38(CONS(sqr(proper(z0)), proper(x1)), PROPER(sqr(z0)), PROPER(x1))
PROPER(cons(s(z0), x1)) → c38(CONS(s(proper(z0)), proper(x1)), PROPER(s(z0)), PROPER(x1))
PROPER(cons(add(z0, z1), x1)) → c38(CONS(add(proper(z0), proper(z1)), proper(x1)), PROPER(add(z0, z1)), PROPER(x1))
PROPER(cons(dbl(z0), x1)) → c38(CONS(dbl(proper(z0)), proper(x1)), PROPER(dbl(z0)), PROPER(x1))
PROPER(cons(first(z0, z1), x1)) → c38(CONS(first(proper(z0), proper(z1)), proper(x1)), PROPER(first(z0, z1)), PROPER(x1))
PROPER(cons(x0, 0)) → c38(CONS(proper(x0), ok(0)), PROPER(x0))
PROPER(cons(x0, nil)) → c38(CONS(proper(x0), ok(nil)), PROPER(x0))
PROPER(cons(0, x1)) → c38(CONS(ok(0), proper(x1)), PROPER(x1))
PROPER(cons(nil, x1)) → c38(CONS(ok(nil), proper(x1)), PROPER(x1))
PROPER(recip(terms(z0))) → c39(RECIP(terms(proper(z0))), PROPER(terms(z0)))
PROPER(recip(cons(z0, z1))) → c39(RECIP(cons(proper(z0), proper(z1))), PROPER(cons(z0, z1)))
PROPER(recip(recip(z0))) → c39(RECIP(recip(proper(z0))), PROPER(recip(z0)))
PROPER(recip(sqr(z0))) → c39(RECIP(sqr(proper(z0))), PROPER(sqr(z0)))
PROPER(recip(s(z0))) → c39(RECIP(s(proper(z0))), PROPER(s(z0)))
PROPER(recip(0)) → c39(RECIP(ok(0)), PROPER(0))
PROPER(recip(add(z0, z1))) → c39(RECIP(add(proper(z0), proper(z1))), PROPER(add(z0, z1)))
PROPER(recip(dbl(z0))) → c39(RECIP(dbl(proper(z0))), PROPER(dbl(z0)))
PROPER(recip(first(z0, z1))) → c39(RECIP(first(proper(z0), proper(z1))), PROPER(first(z0, z1)))
PROPER(recip(nil)) → c39(RECIP(ok(nil)), PROPER(nil))
S tuples:

ACTIVE(add(z0, z1)) → c14(ADD(active(z0), z1), ACTIVE(z0))
ACTIVE(add(z0, z1)) → c15(ADD(z0, active(z1)), ACTIVE(z1))
ACTIVE(first(z0, z1)) → c17(FIRST(active(z0), z1), ACTIVE(z0))
ACTIVE(first(z0, z1)) → c18(FIRST(z0, active(z1)), ACTIVE(z1))
TERMS(mark(z0)) → c19(TERMS(z0))
TERMS(ok(z0)) → c20(TERMS(z0))
CONS(mark(z0), z1) → c21(CONS(z0, z1))
CONS(ok(z0), ok(z1)) → c22(CONS(z0, z1))
RECIP(mark(z0)) → c23(RECIP(z0))
RECIP(ok(z0)) → c24(RECIP(z0))
SQR(mark(z0)) → c25(SQR(z0))
SQR(ok(z0)) → c26(SQR(z0))
S(mark(z0)) → c27(S(z0))
S(ok(z0)) → c28(S(z0))
ADD(mark(z0), z1) → c29(ADD(z0, z1))
ADD(z0, mark(z1)) → c30(ADD(z0, z1))
ADD(ok(z0), ok(z1)) → c31(ADD(z0, z1))
DBL(mark(z0)) → c32(DBL(z0))
DBL(ok(z0)) → c33(DBL(z0))
FIRST(mark(z0), z1) → c34(FIRST(z0, z1))
FIRST(z0, mark(z1)) → c35(FIRST(z0, z1))
FIRST(ok(z0), ok(z1)) → c36(FIRST(z0, z1))
PROPER(sqr(z0)) → c40(SQR(proper(z0)), PROPER(z0))
PROPER(s(z0)) → c41(S(proper(z0)), PROPER(z0))
PROPER(add(z0, z1)) → c43(ADD(proper(z0), proper(z1)), PROPER(z0), PROPER(z1))
PROPER(dbl(z0)) → c44(DBL(proper(z0)), PROPER(z0))
PROPER(first(z0, z1)) → c45(FIRST(proper(z0), proper(z1)), PROPER(z0), PROPER(z1))
TOP(mark(z0)) → c47(TOP(proper(z0)), PROPER(z0))
TOP(ok(z0)) → c48(TOP(active(z0)), ACTIVE(z0))
ACTIVE(dbl(s(z0))) → c4(DBL(z0))
ACTIVE(add(s(z0), z1)) → c6(ADD(z0, z1))
ACTIVE(first(s(z0), cons(z1, z2))) → c1(CONS(z1, first(z0, z2)))
ACTIVE(first(s(z0), cons(z1, z2))) → c1(FIRST(z0, z2))
ACTIVE(terms(z0)) → c1(SQR(z0))
ACTIVE(terms(z0)) → c1(S(z0))
ACTIVE(sqr(s(z0))) → c1(SQR(z0))
ACTIVE(sqr(s(z0))) → c1(DBL(z0))
ACTIVE(terms(terms(z0))) → c9(TERMS(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(terms(sqr(s(z0)))) → c9(TERMS(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(terms(dbl(s(z0)))) → c9(TERMS(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(terms(add(0, z0))) → c9(TERMS(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(terms(add(s(z0), z1))) → c9(TERMS(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(terms(first(0, z0))) → c9(TERMS(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(terms(first(s(z0), cons(z1, z2)))) → c9(TERMS(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(terms(terms(z0))) → c9(TERMS(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(terms(cons(z0, z1))) → c9(TERMS(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(terms(recip(z0))) → c9(TERMS(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(terms(sqr(z0))) → c9(TERMS(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(terms(s(z0))) → c9(TERMS(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(terms(add(z0, z1))) → c9(TERMS(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(terms(add(z0, z1))) → c9(TERMS(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(terms(dbl(z0))) → c9(TERMS(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(terms(first(z0, z1))) → c9(TERMS(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(terms(first(z0, z1))) → c9(TERMS(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(cons(terms(z0), x1)) → c10(CONS(mark(cons(recip(sqr(z0)), terms(s(z0)))), x1), ACTIVE(terms(z0)))
ACTIVE(cons(sqr(s(z0)), x1)) → c10(CONS(mark(s(add(sqr(z0), dbl(z0)))), x1), ACTIVE(sqr(s(z0))))
ACTIVE(cons(dbl(s(z0)), x1)) → c10(CONS(mark(s(s(dbl(z0)))), x1), ACTIVE(dbl(s(z0))))
ACTIVE(cons(add(0, z0), x1)) → c10(CONS(mark(z0), x1), ACTIVE(add(0, z0)))
ACTIVE(cons(add(s(z0), z1), x1)) → c10(CONS(mark(s(add(z0, z1))), x1), ACTIVE(add(s(z0), z1)))
ACTIVE(cons(first(0, z0), x1)) → c10(CONS(mark(nil), x1), ACTIVE(first(0, z0)))
ACTIVE(cons(first(s(z0), cons(z1, z2)), x1)) → c10(CONS(mark(cons(z1, first(z0, z2))), x1), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(cons(terms(z0), x1)) → c10(CONS(terms(active(z0)), x1), ACTIVE(terms(z0)))
ACTIVE(cons(cons(z0, z1), x1)) → c10(CONS(cons(active(z0), z1), x1), ACTIVE(cons(z0, z1)))
ACTIVE(cons(recip(z0), x1)) → c10(CONS(recip(active(z0)), x1), ACTIVE(recip(z0)))
ACTIVE(cons(sqr(z0), x1)) → c10(CONS(sqr(active(z0)), x1), ACTIVE(sqr(z0)))
ACTIVE(cons(s(z0), x1)) → c10(CONS(s(active(z0)), x1), ACTIVE(s(z0)))
ACTIVE(cons(add(z0, z1), x1)) → c10(CONS(add(active(z0), z1), x1), ACTIVE(add(z0, z1)))
ACTIVE(cons(add(z0, z1), x1)) → c10(CONS(add(z0, active(z1)), x1), ACTIVE(add(z0, z1)))
ACTIVE(cons(dbl(z0), x1)) → c10(CONS(dbl(active(z0)), x1), ACTIVE(dbl(z0)))
ACTIVE(cons(first(z0, z1), x1)) → c10(CONS(first(active(z0), z1), x1), ACTIVE(first(z0, z1)))
ACTIVE(cons(first(z0, z1), x1)) → c10(CONS(first(z0, active(z1)), x1), ACTIVE(first(z0, z1)))
ACTIVE(recip(terms(z0))) → c11(RECIP(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(recip(sqr(s(z0)))) → c11(RECIP(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(recip(dbl(s(z0)))) → c11(RECIP(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(recip(add(0, z0))) → c11(RECIP(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(recip(add(s(z0), z1))) → c11(RECIP(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(recip(first(0, z0))) → c11(RECIP(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(recip(first(s(z0), cons(z1, z2)))) → c11(RECIP(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(recip(terms(z0))) → c11(RECIP(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(recip(cons(z0, z1))) → c11(RECIP(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(recip(recip(z0))) → c11(RECIP(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(recip(sqr(z0))) → c11(RECIP(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(recip(s(z0))) → c11(RECIP(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(recip(add(z0, z1))) → c11(RECIP(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(recip(add(z0, z1))) → c11(RECIP(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(recip(dbl(z0))) → c11(RECIP(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(recip(first(z0, z1))) → c11(RECIP(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(recip(first(z0, z1))) → c11(RECIP(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(sqr(terms(z0))) → c12(SQR(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(sqr(sqr(s(z0)))) → c12(SQR(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(sqr(dbl(s(z0)))) → c12(SQR(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(sqr(add(0, z0))) → c12(SQR(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(sqr(add(s(z0), z1))) → c12(SQR(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(sqr(first(0, z0))) → c12(SQR(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(sqr(first(s(z0), cons(z1, z2)))) → c12(SQR(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(sqr(terms(z0))) → c12(SQR(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(sqr(cons(z0, z1))) → c12(SQR(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(sqr(recip(z0))) → c12(SQR(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(sqr(sqr(z0))) → c12(SQR(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(sqr(s(z0))) → c12(SQR(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(sqr(add(z0, z1))) → c12(SQR(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(sqr(add(z0, z1))) → c12(SQR(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(sqr(dbl(z0))) → c12(SQR(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(sqr(first(z0, z1))) → c12(SQR(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(sqr(first(z0, z1))) → c12(SQR(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(terms(sqr(0))) → c9(TERMS(mark(0)))
ACTIVE(cons(sqr(0), x1)) → c10(CONS(mark(0), x1))
ACTIVE(recip(sqr(0))) → c11(RECIP(mark(0)))
ACTIVE(sqr(sqr(0))) → c12(SQR(mark(0)))
ACTIVE(s(terms(z0))) → c13(S(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(s(sqr(s(z0)))) → c13(S(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(s(dbl(s(z0)))) → c13(S(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(s(add(0, z0))) → c13(S(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(s(add(s(z0), z1))) → c13(S(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(s(first(0, z0))) → c13(S(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(s(first(s(z0), cons(z1, z2)))) → c13(S(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(s(terms(z0))) → c13(S(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(s(cons(z0, z1))) → c13(S(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(s(recip(z0))) → c13(S(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(s(sqr(z0))) → c13(S(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(s(s(z0))) → c13(S(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(s(add(z0, z1))) → c13(S(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(s(add(z0, z1))) → c13(S(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(s(dbl(z0))) → c13(S(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(s(first(z0, z1))) → c13(S(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(s(first(z0, z1))) → c13(S(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(s(sqr(0))) → c13(S(mark(0)))
ACTIVE(dbl(terms(z0))) → c16(DBL(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(dbl(sqr(s(z0)))) → c16(DBL(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(dbl(dbl(s(z0)))) → c16(DBL(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(dbl(add(0, z0))) → c16(DBL(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(dbl(add(s(z0), z1))) → c16(DBL(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(dbl(first(0, z0))) → c16(DBL(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(dbl(first(s(z0), cons(z1, z2)))) → c16(DBL(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(dbl(terms(z0))) → c16(DBL(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(dbl(cons(z0, z1))) → c16(DBL(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(dbl(recip(z0))) → c16(DBL(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(dbl(sqr(z0))) → c16(DBL(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(dbl(s(z0))) → c16(DBL(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(dbl(add(z0, z1))) → c16(DBL(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(dbl(add(z0, z1))) → c16(DBL(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(dbl(dbl(z0))) → c16(DBL(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(dbl(first(z0, z1))) → c16(DBL(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(dbl(first(z0, z1))) → c16(DBL(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(terms(dbl(0))) → c9(TERMS(mark(0)))
ACTIVE(cons(dbl(0), x1)) → c10(CONS(mark(0), x1))
ACTIVE(recip(dbl(0))) → c11(RECIP(mark(0)))
ACTIVE(sqr(dbl(0))) → c12(SQR(mark(0)))
ACTIVE(s(dbl(0))) → c13(S(mark(0)))
ACTIVE(dbl(sqr(0))) → c16(DBL(mark(0)))
ACTIVE(dbl(dbl(0))) → c16(DBL(mark(0)))
PROPER(terms(terms(z0))) → c37(TERMS(terms(proper(z0))), PROPER(terms(z0)))
PROPER(terms(cons(z0, z1))) → c37(TERMS(cons(proper(z0), proper(z1))), PROPER(cons(z0, z1)))
PROPER(terms(recip(z0))) → c37(TERMS(recip(proper(z0))), PROPER(recip(z0)))
PROPER(terms(sqr(z0))) → c37(TERMS(sqr(proper(z0))), PROPER(sqr(z0)))
PROPER(terms(s(z0))) → c37(TERMS(s(proper(z0))), PROPER(s(z0)))
PROPER(terms(add(z0, z1))) → c37(TERMS(add(proper(z0), proper(z1))), PROPER(add(z0, z1)))
PROPER(terms(dbl(z0))) → c37(TERMS(dbl(proper(z0))), PROPER(dbl(z0)))
PROPER(terms(first(z0, z1))) → c37(TERMS(first(proper(z0), proper(z1))), PROPER(first(z0, z1)))
PROPER(terms(0)) → c37(TERMS(ok(0)))
PROPER(terms(nil)) → c37(TERMS(ok(nil)))
PROPER(cons(x0, terms(z0))) → c38(CONS(proper(x0), terms(proper(z0))), PROPER(x0), PROPER(terms(z0)))
PROPER(cons(x0, cons(z0, z1))) → c38(CONS(proper(x0), cons(proper(z0), proper(z1))), PROPER(x0), PROPER(cons(z0, z1)))
PROPER(cons(x0, recip(z0))) → c38(CONS(proper(x0), recip(proper(z0))), PROPER(x0), PROPER(recip(z0)))
PROPER(cons(x0, sqr(z0))) → c38(CONS(proper(x0), sqr(proper(z0))), PROPER(x0), PROPER(sqr(z0)))
PROPER(cons(x0, s(z0))) → c38(CONS(proper(x0), s(proper(z0))), PROPER(x0), PROPER(s(z0)))
PROPER(cons(x0, add(z0, z1))) → c38(CONS(proper(x0), add(proper(z0), proper(z1))), PROPER(x0), PROPER(add(z0, z1)))
PROPER(cons(x0, dbl(z0))) → c38(CONS(proper(x0), dbl(proper(z0))), PROPER(x0), PROPER(dbl(z0)))
PROPER(cons(x0, first(z0, z1))) → c38(CONS(proper(x0), first(proper(z0), proper(z1))), PROPER(x0), PROPER(first(z0, z1)))
PROPER(cons(terms(z0), x1)) → c38(CONS(terms(proper(z0)), proper(x1)), PROPER(terms(z0)), PROPER(x1))
PROPER(cons(cons(z0, z1), x1)) → c38(CONS(cons(proper(z0), proper(z1)), proper(x1)), PROPER(cons(z0, z1)), PROPER(x1))
PROPER(cons(recip(z0), x1)) → c38(CONS(recip(proper(z0)), proper(x1)), PROPER(recip(z0)), PROPER(x1))
PROPER(cons(sqr(z0), x1)) → c38(CONS(sqr(proper(z0)), proper(x1)), PROPER(sqr(z0)), PROPER(x1))
PROPER(cons(s(z0), x1)) → c38(CONS(s(proper(z0)), proper(x1)), PROPER(s(z0)), PROPER(x1))
PROPER(cons(add(z0, z1), x1)) → c38(CONS(add(proper(z0), proper(z1)), proper(x1)), PROPER(add(z0, z1)), PROPER(x1))
PROPER(cons(dbl(z0), x1)) → c38(CONS(dbl(proper(z0)), proper(x1)), PROPER(dbl(z0)), PROPER(x1))
PROPER(cons(first(z0, z1), x1)) → c38(CONS(first(proper(z0), proper(z1)), proper(x1)), PROPER(first(z0, z1)), PROPER(x1))
PROPER(cons(x0, 0)) → c38(CONS(proper(x0), ok(0)), PROPER(x0))
PROPER(cons(x0, nil)) → c38(CONS(proper(x0), ok(nil)), PROPER(x0))
PROPER(cons(0, x1)) → c38(CONS(ok(0), proper(x1)), PROPER(x1))
PROPER(cons(nil, x1)) → c38(CONS(ok(nil), proper(x1)), PROPER(x1))
PROPER(recip(terms(z0))) → c39(RECIP(terms(proper(z0))), PROPER(terms(z0)))
PROPER(recip(cons(z0, z1))) → c39(RECIP(cons(proper(z0), proper(z1))), PROPER(cons(z0, z1)))
PROPER(recip(recip(z0))) → c39(RECIP(recip(proper(z0))), PROPER(recip(z0)))
PROPER(recip(sqr(z0))) → c39(RECIP(sqr(proper(z0))), PROPER(sqr(z0)))
PROPER(recip(s(z0))) → c39(RECIP(s(proper(z0))), PROPER(s(z0)))
PROPER(recip(0)) → c39(RECIP(ok(0)), PROPER(0))
PROPER(recip(add(z0, z1))) → c39(RECIP(add(proper(z0), proper(z1))), PROPER(add(z0, z1)))
PROPER(recip(dbl(z0))) → c39(RECIP(dbl(proper(z0))), PROPER(dbl(z0)))
PROPER(recip(first(z0, z1))) → c39(RECIP(first(proper(z0), proper(z1))), PROPER(first(z0, z1)))
PROPER(recip(nil)) → c39(RECIP(ok(nil)), PROPER(nil))
K tuples:none
Defined Rule Symbols:

active, cons, first, terms, recip, sqr, s, add, dbl, proper

Defined Pair Symbols:

ACTIVE, TERMS, CONS, RECIP, SQR, S, ADD, DBL, FIRST, PROPER, TOP

Compound Symbols:

c14, c15, c17, c18, c19, c20, c21, c22, c23, c24, c25, c26, c27, c28, c29, c30, c31, c32, c33, c34, c35, c36, c40, c41, c43, c44, c45, c47, c48, c4, c6, c1, c9, c10, c11, c12, c9, c10, c11, c12, c13, c13, c16, c16, c37, c37, c38, c38, c39

(39) CdtRhsSimplificationProcessorProof (BOTH BOUNDS(ID, ID) transformation)

Removed 2 trailing tuple parts

(40) Obligation:

Complexity Dependency Tuples Problem
Rules:

active(terms(z0)) → mark(cons(recip(sqr(z0)), terms(s(z0))))
active(sqr(0)) → mark(0)
active(sqr(s(z0))) → mark(s(add(sqr(z0), dbl(z0))))
active(dbl(0)) → mark(0)
active(dbl(s(z0))) → mark(s(s(dbl(z0))))
active(add(0, z0)) → mark(z0)
active(add(s(z0), z1)) → mark(s(add(z0, z1)))
active(first(0, z0)) → mark(nil)
active(first(s(z0), cons(z1, z2))) → mark(cons(z1, first(z0, z2)))
active(terms(z0)) → terms(active(z0))
active(cons(z0, z1)) → cons(active(z0), z1)
active(recip(z0)) → recip(active(z0))
active(sqr(z0)) → sqr(active(z0))
active(s(z0)) → s(active(z0))
active(add(z0, z1)) → add(active(z0), z1)
active(add(z0, z1)) → add(z0, active(z1))
active(dbl(z0)) → dbl(active(z0))
active(first(z0, z1)) → first(active(z0), z1)
active(first(z0, z1)) → first(z0, active(z1))
cons(ok(z0), ok(z1)) → ok(cons(z0, z1))
cons(mark(z0), z1) → mark(cons(z0, z1))
first(z0, mark(z1)) → mark(first(z0, z1))
first(mark(z0), z1) → mark(first(z0, z1))
first(ok(z0), ok(z1)) → ok(first(z0, z1))
terms(mark(z0)) → mark(terms(z0))
terms(ok(z0)) → ok(terms(z0))
recip(mark(z0)) → mark(recip(z0))
recip(ok(z0)) → ok(recip(z0))
sqr(mark(z0)) → mark(sqr(z0))
sqr(ok(z0)) → ok(sqr(z0))
s(mark(z0)) → mark(s(z0))
s(ok(z0)) → ok(s(z0))
add(mark(z0), z1) → mark(add(z0, z1))
add(ok(z0), ok(z1)) → ok(add(z0, z1))
add(z0, mark(z1)) → mark(add(z0, z1))
dbl(mark(z0)) → mark(dbl(z0))
dbl(ok(z0)) → ok(dbl(z0))
proper(terms(z0)) → terms(proper(z0))
proper(cons(z0, z1)) → cons(proper(z0), proper(z1))
proper(recip(z0)) → recip(proper(z0))
proper(sqr(z0)) → sqr(proper(z0))
proper(s(z0)) → s(proper(z0))
proper(0) → ok(0)
proper(add(z0, z1)) → add(proper(z0), proper(z1))
proper(dbl(z0)) → dbl(proper(z0))
proper(first(z0, z1)) → first(proper(z0), proper(z1))
proper(nil) → ok(nil)
Tuples:

ACTIVE(add(z0, z1)) → c14(ADD(active(z0), z1), ACTIVE(z0))
ACTIVE(add(z0, z1)) → c15(ADD(z0, active(z1)), ACTIVE(z1))
ACTIVE(first(z0, z1)) → c17(FIRST(active(z0), z1), ACTIVE(z0))
ACTIVE(first(z0, z1)) → c18(FIRST(z0, active(z1)), ACTIVE(z1))
TERMS(mark(z0)) → c19(TERMS(z0))
TERMS(ok(z0)) → c20(TERMS(z0))
CONS(mark(z0), z1) → c21(CONS(z0, z1))
CONS(ok(z0), ok(z1)) → c22(CONS(z0, z1))
RECIP(mark(z0)) → c23(RECIP(z0))
RECIP(ok(z0)) → c24(RECIP(z0))
SQR(mark(z0)) → c25(SQR(z0))
SQR(ok(z0)) → c26(SQR(z0))
S(mark(z0)) → c27(S(z0))
S(ok(z0)) → c28(S(z0))
ADD(mark(z0), z1) → c29(ADD(z0, z1))
ADD(z0, mark(z1)) → c30(ADD(z0, z1))
ADD(ok(z0), ok(z1)) → c31(ADD(z0, z1))
DBL(mark(z0)) → c32(DBL(z0))
DBL(ok(z0)) → c33(DBL(z0))
FIRST(mark(z0), z1) → c34(FIRST(z0, z1))
FIRST(z0, mark(z1)) → c35(FIRST(z0, z1))
FIRST(ok(z0), ok(z1)) → c36(FIRST(z0, z1))
PROPER(sqr(z0)) → c40(SQR(proper(z0)), PROPER(z0))
PROPER(s(z0)) → c41(S(proper(z0)), PROPER(z0))
PROPER(add(z0, z1)) → c43(ADD(proper(z0), proper(z1)), PROPER(z0), PROPER(z1))
PROPER(dbl(z0)) → c44(DBL(proper(z0)), PROPER(z0))
PROPER(first(z0, z1)) → c45(FIRST(proper(z0), proper(z1)), PROPER(z0), PROPER(z1))
TOP(mark(z0)) → c47(TOP(proper(z0)), PROPER(z0))
TOP(ok(z0)) → c48(TOP(active(z0)), ACTIVE(z0))
ACTIVE(dbl(s(z0))) → c4(DBL(z0))
ACTIVE(add(s(z0), z1)) → c6(ADD(z0, z1))
ACTIVE(first(s(z0), cons(z1, z2))) → c1(CONS(z1, first(z0, z2)))
ACTIVE(first(s(z0), cons(z1, z2))) → c1(FIRST(z0, z2))
ACTIVE(terms(z0)) → c1(SQR(z0))
ACTIVE(terms(z0)) → c1(S(z0))
ACTIVE(sqr(s(z0))) → c1(SQR(z0))
ACTIVE(sqr(s(z0))) → c1(DBL(z0))
ACTIVE(terms(terms(z0))) → c9(TERMS(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(terms(sqr(s(z0)))) → c9(TERMS(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(terms(dbl(s(z0)))) → c9(TERMS(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(terms(add(0, z0))) → c9(TERMS(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(terms(add(s(z0), z1))) → c9(TERMS(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(terms(first(0, z0))) → c9(TERMS(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(terms(first(s(z0), cons(z1, z2)))) → c9(TERMS(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(terms(terms(z0))) → c9(TERMS(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(terms(cons(z0, z1))) → c9(TERMS(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(terms(recip(z0))) → c9(TERMS(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(terms(sqr(z0))) → c9(TERMS(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(terms(s(z0))) → c9(TERMS(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(terms(add(z0, z1))) → c9(TERMS(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(terms(add(z0, z1))) → c9(TERMS(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(terms(dbl(z0))) → c9(TERMS(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(terms(first(z0, z1))) → c9(TERMS(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(terms(first(z0, z1))) → c9(TERMS(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(cons(terms(z0), x1)) → c10(CONS(mark(cons(recip(sqr(z0)), terms(s(z0)))), x1), ACTIVE(terms(z0)))
ACTIVE(cons(sqr(s(z0)), x1)) → c10(CONS(mark(s(add(sqr(z0), dbl(z0)))), x1), ACTIVE(sqr(s(z0))))
ACTIVE(cons(dbl(s(z0)), x1)) → c10(CONS(mark(s(s(dbl(z0)))), x1), ACTIVE(dbl(s(z0))))
ACTIVE(cons(add(0, z0), x1)) → c10(CONS(mark(z0), x1), ACTIVE(add(0, z0)))
ACTIVE(cons(add(s(z0), z1), x1)) → c10(CONS(mark(s(add(z0, z1))), x1), ACTIVE(add(s(z0), z1)))
ACTIVE(cons(first(0, z0), x1)) → c10(CONS(mark(nil), x1), ACTIVE(first(0, z0)))
ACTIVE(cons(first(s(z0), cons(z1, z2)), x1)) → c10(CONS(mark(cons(z1, first(z0, z2))), x1), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(cons(terms(z0), x1)) → c10(CONS(terms(active(z0)), x1), ACTIVE(terms(z0)))
ACTIVE(cons(cons(z0, z1), x1)) → c10(CONS(cons(active(z0), z1), x1), ACTIVE(cons(z0, z1)))
ACTIVE(cons(recip(z0), x1)) → c10(CONS(recip(active(z0)), x1), ACTIVE(recip(z0)))
ACTIVE(cons(sqr(z0), x1)) → c10(CONS(sqr(active(z0)), x1), ACTIVE(sqr(z0)))
ACTIVE(cons(s(z0), x1)) → c10(CONS(s(active(z0)), x1), ACTIVE(s(z0)))
ACTIVE(cons(add(z0, z1), x1)) → c10(CONS(add(active(z0), z1), x1), ACTIVE(add(z0, z1)))
ACTIVE(cons(add(z0, z1), x1)) → c10(CONS(add(z0, active(z1)), x1), ACTIVE(add(z0, z1)))
ACTIVE(cons(dbl(z0), x1)) → c10(CONS(dbl(active(z0)), x1), ACTIVE(dbl(z0)))
ACTIVE(cons(first(z0, z1), x1)) → c10(CONS(first(active(z0), z1), x1), ACTIVE(first(z0, z1)))
ACTIVE(cons(first(z0, z1), x1)) → c10(CONS(first(z0, active(z1)), x1), ACTIVE(first(z0, z1)))
ACTIVE(recip(terms(z0))) → c11(RECIP(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(recip(sqr(s(z0)))) → c11(RECIP(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(recip(dbl(s(z0)))) → c11(RECIP(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(recip(add(0, z0))) → c11(RECIP(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(recip(add(s(z0), z1))) → c11(RECIP(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(recip(first(0, z0))) → c11(RECIP(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(recip(first(s(z0), cons(z1, z2)))) → c11(RECIP(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(recip(terms(z0))) → c11(RECIP(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(recip(cons(z0, z1))) → c11(RECIP(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(recip(recip(z0))) → c11(RECIP(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(recip(sqr(z0))) → c11(RECIP(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(recip(s(z0))) → c11(RECIP(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(recip(add(z0, z1))) → c11(RECIP(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(recip(add(z0, z1))) → c11(RECIP(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(recip(dbl(z0))) → c11(RECIP(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(recip(first(z0, z1))) → c11(RECIP(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(recip(first(z0, z1))) → c11(RECIP(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(sqr(terms(z0))) → c12(SQR(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(sqr(sqr(s(z0)))) → c12(SQR(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(sqr(dbl(s(z0)))) → c12(SQR(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(sqr(add(0, z0))) → c12(SQR(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(sqr(add(s(z0), z1))) → c12(SQR(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(sqr(first(0, z0))) → c12(SQR(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(sqr(first(s(z0), cons(z1, z2)))) → c12(SQR(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(sqr(terms(z0))) → c12(SQR(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(sqr(cons(z0, z1))) → c12(SQR(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(sqr(recip(z0))) → c12(SQR(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(sqr(sqr(z0))) → c12(SQR(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(sqr(s(z0))) → c12(SQR(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(sqr(add(z0, z1))) → c12(SQR(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(sqr(add(z0, z1))) → c12(SQR(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(sqr(dbl(z0))) → c12(SQR(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(sqr(first(z0, z1))) → c12(SQR(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(sqr(first(z0, z1))) → c12(SQR(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(terms(sqr(0))) → c9(TERMS(mark(0)))
ACTIVE(cons(sqr(0), x1)) → c10(CONS(mark(0), x1))
ACTIVE(recip(sqr(0))) → c11(RECIP(mark(0)))
ACTIVE(sqr(sqr(0))) → c12(SQR(mark(0)))
ACTIVE(s(terms(z0))) → c13(S(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(s(sqr(s(z0)))) → c13(S(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(s(dbl(s(z0)))) → c13(S(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(s(add(0, z0))) → c13(S(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(s(add(s(z0), z1))) → c13(S(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(s(first(0, z0))) → c13(S(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(s(first(s(z0), cons(z1, z2)))) → c13(S(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(s(terms(z0))) → c13(S(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(s(cons(z0, z1))) → c13(S(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(s(recip(z0))) → c13(S(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(s(sqr(z0))) → c13(S(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(s(s(z0))) → c13(S(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(s(add(z0, z1))) → c13(S(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(s(add(z0, z1))) → c13(S(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(s(dbl(z0))) → c13(S(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(s(first(z0, z1))) → c13(S(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(s(first(z0, z1))) → c13(S(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(s(sqr(0))) → c13(S(mark(0)))
ACTIVE(dbl(terms(z0))) → c16(DBL(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(dbl(sqr(s(z0)))) → c16(DBL(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(dbl(dbl(s(z0)))) → c16(DBL(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(dbl(add(0, z0))) → c16(DBL(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(dbl(add(s(z0), z1))) → c16(DBL(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(dbl(first(0, z0))) → c16(DBL(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(dbl(first(s(z0), cons(z1, z2)))) → c16(DBL(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(dbl(terms(z0))) → c16(DBL(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(dbl(cons(z0, z1))) → c16(DBL(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(dbl(recip(z0))) → c16(DBL(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(dbl(sqr(z0))) → c16(DBL(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(dbl(s(z0))) → c16(DBL(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(dbl(add(z0, z1))) → c16(DBL(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(dbl(add(z0, z1))) → c16(DBL(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(dbl(dbl(z0))) → c16(DBL(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(dbl(first(z0, z1))) → c16(DBL(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(dbl(first(z0, z1))) → c16(DBL(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(terms(dbl(0))) → c9(TERMS(mark(0)))
ACTIVE(cons(dbl(0), x1)) → c10(CONS(mark(0), x1))
ACTIVE(recip(dbl(0))) → c11(RECIP(mark(0)))
ACTIVE(sqr(dbl(0))) → c12(SQR(mark(0)))
ACTIVE(s(dbl(0))) → c13(S(mark(0)))
ACTIVE(dbl(sqr(0))) → c16(DBL(mark(0)))
ACTIVE(dbl(dbl(0))) → c16(DBL(mark(0)))
PROPER(terms(terms(z0))) → c37(TERMS(terms(proper(z0))), PROPER(terms(z0)))
PROPER(terms(cons(z0, z1))) → c37(TERMS(cons(proper(z0), proper(z1))), PROPER(cons(z0, z1)))
PROPER(terms(recip(z0))) → c37(TERMS(recip(proper(z0))), PROPER(recip(z0)))
PROPER(terms(sqr(z0))) → c37(TERMS(sqr(proper(z0))), PROPER(sqr(z0)))
PROPER(terms(s(z0))) → c37(TERMS(s(proper(z0))), PROPER(s(z0)))
PROPER(terms(add(z0, z1))) → c37(TERMS(add(proper(z0), proper(z1))), PROPER(add(z0, z1)))
PROPER(terms(dbl(z0))) → c37(TERMS(dbl(proper(z0))), PROPER(dbl(z0)))
PROPER(terms(first(z0, z1))) → c37(TERMS(first(proper(z0), proper(z1))), PROPER(first(z0, z1)))
PROPER(terms(0)) → c37(TERMS(ok(0)))
PROPER(terms(nil)) → c37(TERMS(ok(nil)))
PROPER(cons(x0, terms(z0))) → c38(CONS(proper(x0), terms(proper(z0))), PROPER(x0), PROPER(terms(z0)))
PROPER(cons(x0, cons(z0, z1))) → c38(CONS(proper(x0), cons(proper(z0), proper(z1))), PROPER(x0), PROPER(cons(z0, z1)))
PROPER(cons(x0, recip(z0))) → c38(CONS(proper(x0), recip(proper(z0))), PROPER(x0), PROPER(recip(z0)))
PROPER(cons(x0, sqr(z0))) → c38(CONS(proper(x0), sqr(proper(z0))), PROPER(x0), PROPER(sqr(z0)))
PROPER(cons(x0, s(z0))) → c38(CONS(proper(x0), s(proper(z0))), PROPER(x0), PROPER(s(z0)))
PROPER(cons(x0, add(z0, z1))) → c38(CONS(proper(x0), add(proper(z0), proper(z1))), PROPER(x0), PROPER(add(z0, z1)))
PROPER(cons(x0, dbl(z0))) → c38(CONS(proper(x0), dbl(proper(z0))), PROPER(x0), PROPER(dbl(z0)))
PROPER(cons(x0, first(z0, z1))) → c38(CONS(proper(x0), first(proper(z0), proper(z1))), PROPER(x0), PROPER(first(z0, z1)))
PROPER(cons(terms(z0), x1)) → c38(CONS(terms(proper(z0)), proper(x1)), PROPER(terms(z0)), PROPER(x1))
PROPER(cons(cons(z0, z1), x1)) → c38(CONS(cons(proper(z0), proper(z1)), proper(x1)), PROPER(cons(z0, z1)), PROPER(x1))
PROPER(cons(recip(z0), x1)) → c38(CONS(recip(proper(z0)), proper(x1)), PROPER(recip(z0)), PROPER(x1))
PROPER(cons(sqr(z0), x1)) → c38(CONS(sqr(proper(z0)), proper(x1)), PROPER(sqr(z0)), PROPER(x1))
PROPER(cons(s(z0), x1)) → c38(CONS(s(proper(z0)), proper(x1)), PROPER(s(z0)), PROPER(x1))
PROPER(cons(add(z0, z1), x1)) → c38(CONS(add(proper(z0), proper(z1)), proper(x1)), PROPER(add(z0, z1)), PROPER(x1))
PROPER(cons(dbl(z0), x1)) → c38(CONS(dbl(proper(z0)), proper(x1)), PROPER(dbl(z0)), PROPER(x1))
PROPER(cons(first(z0, z1), x1)) → c38(CONS(first(proper(z0), proper(z1)), proper(x1)), PROPER(first(z0, z1)), PROPER(x1))
PROPER(cons(x0, 0)) → c38(CONS(proper(x0), ok(0)), PROPER(x0))
PROPER(cons(x0, nil)) → c38(CONS(proper(x0), ok(nil)), PROPER(x0))
PROPER(cons(0, x1)) → c38(CONS(ok(0), proper(x1)), PROPER(x1))
PROPER(cons(nil, x1)) → c38(CONS(ok(nil), proper(x1)), PROPER(x1))
PROPER(recip(terms(z0))) → c39(RECIP(terms(proper(z0))), PROPER(terms(z0)))
PROPER(recip(cons(z0, z1))) → c39(RECIP(cons(proper(z0), proper(z1))), PROPER(cons(z0, z1)))
PROPER(recip(recip(z0))) → c39(RECIP(recip(proper(z0))), PROPER(recip(z0)))
PROPER(recip(sqr(z0))) → c39(RECIP(sqr(proper(z0))), PROPER(sqr(z0)))
PROPER(recip(s(z0))) → c39(RECIP(s(proper(z0))), PROPER(s(z0)))
PROPER(recip(add(z0, z1))) → c39(RECIP(add(proper(z0), proper(z1))), PROPER(add(z0, z1)))
PROPER(recip(dbl(z0))) → c39(RECIP(dbl(proper(z0))), PROPER(dbl(z0)))
PROPER(recip(first(z0, z1))) → c39(RECIP(first(proper(z0), proper(z1))), PROPER(first(z0, z1)))
PROPER(recip(0)) → c39(RECIP(ok(0)))
PROPER(recip(nil)) → c39(RECIP(ok(nil)))
S tuples:

ACTIVE(add(z0, z1)) → c14(ADD(active(z0), z1), ACTIVE(z0))
ACTIVE(add(z0, z1)) → c15(ADD(z0, active(z1)), ACTIVE(z1))
ACTIVE(first(z0, z1)) → c17(FIRST(active(z0), z1), ACTIVE(z0))
ACTIVE(first(z0, z1)) → c18(FIRST(z0, active(z1)), ACTIVE(z1))
TERMS(mark(z0)) → c19(TERMS(z0))
TERMS(ok(z0)) → c20(TERMS(z0))
CONS(mark(z0), z1) → c21(CONS(z0, z1))
CONS(ok(z0), ok(z1)) → c22(CONS(z0, z1))
RECIP(mark(z0)) → c23(RECIP(z0))
RECIP(ok(z0)) → c24(RECIP(z0))
SQR(mark(z0)) → c25(SQR(z0))
SQR(ok(z0)) → c26(SQR(z0))
S(mark(z0)) → c27(S(z0))
S(ok(z0)) → c28(S(z0))
ADD(mark(z0), z1) → c29(ADD(z0, z1))
ADD(z0, mark(z1)) → c30(ADD(z0, z1))
ADD(ok(z0), ok(z1)) → c31(ADD(z0, z1))
DBL(mark(z0)) → c32(DBL(z0))
DBL(ok(z0)) → c33(DBL(z0))
FIRST(mark(z0), z1) → c34(FIRST(z0, z1))
FIRST(z0, mark(z1)) → c35(FIRST(z0, z1))
FIRST(ok(z0), ok(z1)) → c36(FIRST(z0, z1))
PROPER(sqr(z0)) → c40(SQR(proper(z0)), PROPER(z0))
PROPER(s(z0)) → c41(S(proper(z0)), PROPER(z0))
PROPER(add(z0, z1)) → c43(ADD(proper(z0), proper(z1)), PROPER(z0), PROPER(z1))
PROPER(dbl(z0)) → c44(DBL(proper(z0)), PROPER(z0))
PROPER(first(z0, z1)) → c45(FIRST(proper(z0), proper(z1)), PROPER(z0), PROPER(z1))
TOP(mark(z0)) → c47(TOP(proper(z0)), PROPER(z0))
TOP(ok(z0)) → c48(TOP(active(z0)), ACTIVE(z0))
ACTIVE(dbl(s(z0))) → c4(DBL(z0))
ACTIVE(add(s(z0), z1)) → c6(ADD(z0, z1))
ACTIVE(first(s(z0), cons(z1, z2))) → c1(CONS(z1, first(z0, z2)))
ACTIVE(first(s(z0), cons(z1, z2))) → c1(FIRST(z0, z2))
ACTIVE(terms(z0)) → c1(SQR(z0))
ACTIVE(terms(z0)) → c1(S(z0))
ACTIVE(sqr(s(z0))) → c1(SQR(z0))
ACTIVE(sqr(s(z0))) → c1(DBL(z0))
ACTIVE(terms(terms(z0))) → c9(TERMS(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(terms(sqr(s(z0)))) → c9(TERMS(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(terms(dbl(s(z0)))) → c9(TERMS(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(terms(add(0, z0))) → c9(TERMS(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(terms(add(s(z0), z1))) → c9(TERMS(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(terms(first(0, z0))) → c9(TERMS(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(terms(first(s(z0), cons(z1, z2)))) → c9(TERMS(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(terms(terms(z0))) → c9(TERMS(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(terms(cons(z0, z1))) → c9(TERMS(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(terms(recip(z0))) → c9(TERMS(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(terms(sqr(z0))) → c9(TERMS(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(terms(s(z0))) → c9(TERMS(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(terms(add(z0, z1))) → c9(TERMS(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(terms(add(z0, z1))) → c9(TERMS(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(terms(dbl(z0))) → c9(TERMS(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(terms(first(z0, z1))) → c9(TERMS(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(terms(first(z0, z1))) → c9(TERMS(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(cons(terms(z0), x1)) → c10(CONS(mark(cons(recip(sqr(z0)), terms(s(z0)))), x1), ACTIVE(terms(z0)))
ACTIVE(cons(sqr(s(z0)), x1)) → c10(CONS(mark(s(add(sqr(z0), dbl(z0)))), x1), ACTIVE(sqr(s(z0))))
ACTIVE(cons(dbl(s(z0)), x1)) → c10(CONS(mark(s(s(dbl(z0)))), x1), ACTIVE(dbl(s(z0))))
ACTIVE(cons(add(0, z0), x1)) → c10(CONS(mark(z0), x1), ACTIVE(add(0, z0)))
ACTIVE(cons(add(s(z0), z1), x1)) → c10(CONS(mark(s(add(z0, z1))), x1), ACTIVE(add(s(z0), z1)))
ACTIVE(cons(first(0, z0), x1)) → c10(CONS(mark(nil), x1), ACTIVE(first(0, z0)))
ACTIVE(cons(first(s(z0), cons(z1, z2)), x1)) → c10(CONS(mark(cons(z1, first(z0, z2))), x1), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(cons(terms(z0), x1)) → c10(CONS(terms(active(z0)), x1), ACTIVE(terms(z0)))
ACTIVE(cons(cons(z0, z1), x1)) → c10(CONS(cons(active(z0), z1), x1), ACTIVE(cons(z0, z1)))
ACTIVE(cons(recip(z0), x1)) → c10(CONS(recip(active(z0)), x1), ACTIVE(recip(z0)))
ACTIVE(cons(sqr(z0), x1)) → c10(CONS(sqr(active(z0)), x1), ACTIVE(sqr(z0)))
ACTIVE(cons(s(z0), x1)) → c10(CONS(s(active(z0)), x1), ACTIVE(s(z0)))
ACTIVE(cons(add(z0, z1), x1)) → c10(CONS(add(active(z0), z1), x1), ACTIVE(add(z0, z1)))
ACTIVE(cons(add(z0, z1), x1)) → c10(CONS(add(z0, active(z1)), x1), ACTIVE(add(z0, z1)))
ACTIVE(cons(dbl(z0), x1)) → c10(CONS(dbl(active(z0)), x1), ACTIVE(dbl(z0)))
ACTIVE(cons(first(z0, z1), x1)) → c10(CONS(first(active(z0), z1), x1), ACTIVE(first(z0, z1)))
ACTIVE(cons(first(z0, z1), x1)) → c10(CONS(first(z0, active(z1)), x1), ACTIVE(first(z0, z1)))
ACTIVE(recip(terms(z0))) → c11(RECIP(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(recip(sqr(s(z0)))) → c11(RECIP(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(recip(dbl(s(z0)))) → c11(RECIP(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(recip(add(0, z0))) → c11(RECIP(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(recip(add(s(z0), z1))) → c11(RECIP(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(recip(first(0, z0))) → c11(RECIP(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(recip(first(s(z0), cons(z1, z2)))) → c11(RECIP(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(recip(terms(z0))) → c11(RECIP(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(recip(cons(z0, z1))) → c11(RECIP(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(recip(recip(z0))) → c11(RECIP(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(recip(sqr(z0))) → c11(RECIP(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(recip(s(z0))) → c11(RECIP(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(recip(add(z0, z1))) → c11(RECIP(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(recip(add(z0, z1))) → c11(RECIP(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(recip(dbl(z0))) → c11(RECIP(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(recip(first(z0, z1))) → c11(RECIP(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(recip(first(z0, z1))) → c11(RECIP(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(sqr(terms(z0))) → c12(SQR(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(sqr(sqr(s(z0)))) → c12(SQR(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(sqr(dbl(s(z0)))) → c12(SQR(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(sqr(add(0, z0))) → c12(SQR(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(sqr(add(s(z0), z1))) → c12(SQR(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(sqr(first(0, z0))) → c12(SQR(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(sqr(first(s(z0), cons(z1, z2)))) → c12(SQR(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(sqr(terms(z0))) → c12(SQR(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(sqr(cons(z0, z1))) → c12(SQR(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(sqr(recip(z0))) → c12(SQR(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(sqr(sqr(z0))) → c12(SQR(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(sqr(s(z0))) → c12(SQR(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(sqr(add(z0, z1))) → c12(SQR(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(sqr(add(z0, z1))) → c12(SQR(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(sqr(dbl(z0))) → c12(SQR(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(sqr(first(z0, z1))) → c12(SQR(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(sqr(first(z0, z1))) → c12(SQR(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(terms(sqr(0))) → c9(TERMS(mark(0)))
ACTIVE(cons(sqr(0), x1)) → c10(CONS(mark(0), x1))
ACTIVE(recip(sqr(0))) → c11(RECIP(mark(0)))
ACTIVE(sqr(sqr(0))) → c12(SQR(mark(0)))
ACTIVE(s(terms(z0))) → c13(S(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(s(sqr(s(z0)))) → c13(S(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(s(dbl(s(z0)))) → c13(S(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(s(add(0, z0))) → c13(S(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(s(add(s(z0), z1))) → c13(S(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(s(first(0, z0))) → c13(S(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(s(first(s(z0), cons(z1, z2)))) → c13(S(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(s(terms(z0))) → c13(S(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(s(cons(z0, z1))) → c13(S(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(s(recip(z0))) → c13(S(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(s(sqr(z0))) → c13(S(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(s(s(z0))) → c13(S(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(s(add(z0, z1))) → c13(S(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(s(add(z0, z1))) → c13(S(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(s(dbl(z0))) → c13(S(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(s(first(z0, z1))) → c13(S(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(s(first(z0, z1))) → c13(S(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(s(sqr(0))) → c13(S(mark(0)))
ACTIVE(dbl(terms(z0))) → c16(DBL(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(dbl(sqr(s(z0)))) → c16(DBL(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(dbl(dbl(s(z0)))) → c16(DBL(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(dbl(add(0, z0))) → c16(DBL(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(dbl(add(s(z0), z1))) → c16(DBL(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(dbl(first(0, z0))) → c16(DBL(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(dbl(first(s(z0), cons(z1, z2)))) → c16(DBL(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(dbl(terms(z0))) → c16(DBL(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(dbl(cons(z0, z1))) → c16(DBL(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(dbl(recip(z0))) → c16(DBL(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(dbl(sqr(z0))) → c16(DBL(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(dbl(s(z0))) → c16(DBL(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(dbl(add(z0, z1))) → c16(DBL(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(dbl(add(z0, z1))) → c16(DBL(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(dbl(dbl(z0))) → c16(DBL(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(dbl(first(z0, z1))) → c16(DBL(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(dbl(first(z0, z1))) → c16(DBL(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(terms(dbl(0))) → c9(TERMS(mark(0)))
ACTIVE(cons(dbl(0), x1)) → c10(CONS(mark(0), x1))
ACTIVE(recip(dbl(0))) → c11(RECIP(mark(0)))
ACTIVE(sqr(dbl(0))) → c12(SQR(mark(0)))
ACTIVE(s(dbl(0))) → c13(S(mark(0)))
ACTIVE(dbl(sqr(0))) → c16(DBL(mark(0)))
ACTIVE(dbl(dbl(0))) → c16(DBL(mark(0)))
PROPER(terms(terms(z0))) → c37(TERMS(terms(proper(z0))), PROPER(terms(z0)))
PROPER(terms(cons(z0, z1))) → c37(TERMS(cons(proper(z0), proper(z1))), PROPER(cons(z0, z1)))
PROPER(terms(recip(z0))) → c37(TERMS(recip(proper(z0))), PROPER(recip(z0)))
PROPER(terms(sqr(z0))) → c37(TERMS(sqr(proper(z0))), PROPER(sqr(z0)))
PROPER(terms(s(z0))) → c37(TERMS(s(proper(z0))), PROPER(s(z0)))
PROPER(terms(add(z0, z1))) → c37(TERMS(add(proper(z0), proper(z1))), PROPER(add(z0, z1)))
PROPER(terms(dbl(z0))) → c37(TERMS(dbl(proper(z0))), PROPER(dbl(z0)))
PROPER(terms(first(z0, z1))) → c37(TERMS(first(proper(z0), proper(z1))), PROPER(first(z0, z1)))
PROPER(terms(0)) → c37(TERMS(ok(0)))
PROPER(terms(nil)) → c37(TERMS(ok(nil)))
PROPER(cons(x0, terms(z0))) → c38(CONS(proper(x0), terms(proper(z0))), PROPER(x0), PROPER(terms(z0)))
PROPER(cons(x0, cons(z0, z1))) → c38(CONS(proper(x0), cons(proper(z0), proper(z1))), PROPER(x0), PROPER(cons(z0, z1)))
PROPER(cons(x0, recip(z0))) → c38(CONS(proper(x0), recip(proper(z0))), PROPER(x0), PROPER(recip(z0)))
PROPER(cons(x0, sqr(z0))) → c38(CONS(proper(x0), sqr(proper(z0))), PROPER(x0), PROPER(sqr(z0)))
PROPER(cons(x0, s(z0))) → c38(CONS(proper(x0), s(proper(z0))), PROPER(x0), PROPER(s(z0)))
PROPER(cons(x0, add(z0, z1))) → c38(CONS(proper(x0), add(proper(z0), proper(z1))), PROPER(x0), PROPER(add(z0, z1)))
PROPER(cons(x0, dbl(z0))) → c38(CONS(proper(x0), dbl(proper(z0))), PROPER(x0), PROPER(dbl(z0)))
PROPER(cons(x0, first(z0, z1))) → c38(CONS(proper(x0), first(proper(z0), proper(z1))), PROPER(x0), PROPER(first(z0, z1)))
PROPER(cons(terms(z0), x1)) → c38(CONS(terms(proper(z0)), proper(x1)), PROPER(terms(z0)), PROPER(x1))
PROPER(cons(cons(z0, z1), x1)) → c38(CONS(cons(proper(z0), proper(z1)), proper(x1)), PROPER(cons(z0, z1)), PROPER(x1))
PROPER(cons(recip(z0), x1)) → c38(CONS(recip(proper(z0)), proper(x1)), PROPER(recip(z0)), PROPER(x1))
PROPER(cons(sqr(z0), x1)) → c38(CONS(sqr(proper(z0)), proper(x1)), PROPER(sqr(z0)), PROPER(x1))
PROPER(cons(s(z0), x1)) → c38(CONS(s(proper(z0)), proper(x1)), PROPER(s(z0)), PROPER(x1))
PROPER(cons(add(z0, z1), x1)) → c38(CONS(add(proper(z0), proper(z1)), proper(x1)), PROPER(add(z0, z1)), PROPER(x1))
PROPER(cons(dbl(z0), x1)) → c38(CONS(dbl(proper(z0)), proper(x1)), PROPER(dbl(z0)), PROPER(x1))
PROPER(cons(first(z0, z1), x1)) → c38(CONS(first(proper(z0), proper(z1)), proper(x1)), PROPER(first(z0, z1)), PROPER(x1))
PROPER(cons(x0, 0)) → c38(CONS(proper(x0), ok(0)), PROPER(x0))
PROPER(cons(x0, nil)) → c38(CONS(proper(x0), ok(nil)), PROPER(x0))
PROPER(cons(0, x1)) → c38(CONS(ok(0), proper(x1)), PROPER(x1))
PROPER(cons(nil, x1)) → c38(CONS(ok(nil), proper(x1)), PROPER(x1))
PROPER(recip(terms(z0))) → c39(RECIP(terms(proper(z0))), PROPER(terms(z0)))
PROPER(recip(cons(z0, z1))) → c39(RECIP(cons(proper(z0), proper(z1))), PROPER(cons(z0, z1)))
PROPER(recip(recip(z0))) → c39(RECIP(recip(proper(z0))), PROPER(recip(z0)))
PROPER(recip(sqr(z0))) → c39(RECIP(sqr(proper(z0))), PROPER(sqr(z0)))
PROPER(recip(s(z0))) → c39(RECIP(s(proper(z0))), PROPER(s(z0)))
PROPER(recip(add(z0, z1))) → c39(RECIP(add(proper(z0), proper(z1))), PROPER(add(z0, z1)))
PROPER(recip(dbl(z0))) → c39(RECIP(dbl(proper(z0))), PROPER(dbl(z0)))
PROPER(recip(first(z0, z1))) → c39(RECIP(first(proper(z0), proper(z1))), PROPER(first(z0, z1)))
PROPER(recip(0)) → c39(RECIP(ok(0)))
PROPER(recip(nil)) → c39(RECIP(ok(nil)))
K tuples:none
Defined Rule Symbols:

active, cons, first, terms, recip, sqr, s, add, dbl, proper

Defined Pair Symbols:

ACTIVE, TERMS, CONS, RECIP, SQR, S, ADD, DBL, FIRST, PROPER, TOP

Compound Symbols:

c14, c15, c17, c18, c19, c20, c21, c22, c23, c24, c25, c26, c27, c28, c29, c30, c31, c32, c33, c34, c35, c36, c40, c41, c43, c44, c45, c47, c48, c4, c6, c1, c9, c10, c11, c12, c9, c10, c11, c12, c13, c13, c16, c16, c37, c37, c38, c38, c39, c39

(41) CdtNarrowingProof (BOTH BOUNDS(ID, ID) transformation)

Use narrowing to replace PROPER(sqr(z0)) → c40(SQR(proper(z0)), PROPER(z0)) by

PROPER(sqr(terms(z0))) → c40(SQR(terms(proper(z0))), PROPER(terms(z0)))
PROPER(sqr(cons(z0, z1))) → c40(SQR(cons(proper(z0), proper(z1))), PROPER(cons(z0, z1)))
PROPER(sqr(recip(z0))) → c40(SQR(recip(proper(z0))), PROPER(recip(z0)))
PROPER(sqr(sqr(z0))) → c40(SQR(sqr(proper(z0))), PROPER(sqr(z0)))
PROPER(sqr(s(z0))) → c40(SQR(s(proper(z0))), PROPER(s(z0)))
PROPER(sqr(0)) → c40(SQR(ok(0)), PROPER(0))
PROPER(sqr(add(z0, z1))) → c40(SQR(add(proper(z0), proper(z1))), PROPER(add(z0, z1)))
PROPER(sqr(dbl(z0))) → c40(SQR(dbl(proper(z0))), PROPER(dbl(z0)))
PROPER(sqr(first(z0, z1))) → c40(SQR(first(proper(z0), proper(z1))), PROPER(first(z0, z1)))
PROPER(sqr(nil)) → c40(SQR(ok(nil)), PROPER(nil))

(42) Obligation:

Complexity Dependency Tuples Problem
Rules:

active(terms(z0)) → mark(cons(recip(sqr(z0)), terms(s(z0))))
active(sqr(0)) → mark(0)
active(sqr(s(z0))) → mark(s(add(sqr(z0), dbl(z0))))
active(dbl(0)) → mark(0)
active(dbl(s(z0))) → mark(s(s(dbl(z0))))
active(add(0, z0)) → mark(z0)
active(add(s(z0), z1)) → mark(s(add(z0, z1)))
active(first(0, z0)) → mark(nil)
active(first(s(z0), cons(z1, z2))) → mark(cons(z1, first(z0, z2)))
active(terms(z0)) → terms(active(z0))
active(cons(z0, z1)) → cons(active(z0), z1)
active(recip(z0)) → recip(active(z0))
active(sqr(z0)) → sqr(active(z0))
active(s(z0)) → s(active(z0))
active(add(z0, z1)) → add(active(z0), z1)
active(add(z0, z1)) → add(z0, active(z1))
active(dbl(z0)) → dbl(active(z0))
active(first(z0, z1)) → first(active(z0), z1)
active(first(z0, z1)) → first(z0, active(z1))
cons(ok(z0), ok(z1)) → ok(cons(z0, z1))
cons(mark(z0), z1) → mark(cons(z0, z1))
first(z0, mark(z1)) → mark(first(z0, z1))
first(mark(z0), z1) → mark(first(z0, z1))
first(ok(z0), ok(z1)) → ok(first(z0, z1))
terms(mark(z0)) → mark(terms(z0))
terms(ok(z0)) → ok(terms(z0))
recip(mark(z0)) → mark(recip(z0))
recip(ok(z0)) → ok(recip(z0))
sqr(mark(z0)) → mark(sqr(z0))
sqr(ok(z0)) → ok(sqr(z0))
s(mark(z0)) → mark(s(z0))
s(ok(z0)) → ok(s(z0))
add(mark(z0), z1) → mark(add(z0, z1))
add(ok(z0), ok(z1)) → ok(add(z0, z1))
add(z0, mark(z1)) → mark(add(z0, z1))
dbl(mark(z0)) → mark(dbl(z0))
dbl(ok(z0)) → ok(dbl(z0))
proper(terms(z0)) → terms(proper(z0))
proper(cons(z0, z1)) → cons(proper(z0), proper(z1))
proper(recip(z0)) → recip(proper(z0))
proper(sqr(z0)) → sqr(proper(z0))
proper(s(z0)) → s(proper(z0))
proper(0) → ok(0)
proper(add(z0, z1)) → add(proper(z0), proper(z1))
proper(dbl(z0)) → dbl(proper(z0))
proper(first(z0, z1)) → first(proper(z0), proper(z1))
proper(nil) → ok(nil)
Tuples:

ACTIVE(add(z0, z1)) → c14(ADD(active(z0), z1), ACTIVE(z0))
ACTIVE(add(z0, z1)) → c15(ADD(z0, active(z1)), ACTIVE(z1))
ACTIVE(first(z0, z1)) → c17(FIRST(active(z0), z1), ACTIVE(z0))
ACTIVE(first(z0, z1)) → c18(FIRST(z0, active(z1)), ACTIVE(z1))
TERMS(mark(z0)) → c19(TERMS(z0))
TERMS(ok(z0)) → c20(TERMS(z0))
CONS(mark(z0), z1) → c21(CONS(z0, z1))
CONS(ok(z0), ok(z1)) → c22(CONS(z0, z1))
RECIP(mark(z0)) → c23(RECIP(z0))
RECIP(ok(z0)) → c24(RECIP(z0))
SQR(mark(z0)) → c25(SQR(z0))
SQR(ok(z0)) → c26(SQR(z0))
S(mark(z0)) → c27(S(z0))
S(ok(z0)) → c28(S(z0))
ADD(mark(z0), z1) → c29(ADD(z0, z1))
ADD(z0, mark(z1)) → c30(ADD(z0, z1))
ADD(ok(z0), ok(z1)) → c31(ADD(z0, z1))
DBL(mark(z0)) → c32(DBL(z0))
DBL(ok(z0)) → c33(DBL(z0))
FIRST(mark(z0), z1) → c34(FIRST(z0, z1))
FIRST(z0, mark(z1)) → c35(FIRST(z0, z1))
FIRST(ok(z0), ok(z1)) → c36(FIRST(z0, z1))
PROPER(s(z0)) → c41(S(proper(z0)), PROPER(z0))
PROPER(add(z0, z1)) → c43(ADD(proper(z0), proper(z1)), PROPER(z0), PROPER(z1))
PROPER(dbl(z0)) → c44(DBL(proper(z0)), PROPER(z0))
PROPER(first(z0, z1)) → c45(FIRST(proper(z0), proper(z1)), PROPER(z0), PROPER(z1))
TOP(mark(z0)) → c47(TOP(proper(z0)), PROPER(z0))
TOP(ok(z0)) → c48(TOP(active(z0)), ACTIVE(z0))
ACTIVE(dbl(s(z0))) → c4(DBL(z0))
ACTIVE(add(s(z0), z1)) → c6(ADD(z0, z1))
ACTIVE(first(s(z0), cons(z1, z2))) → c1(CONS(z1, first(z0, z2)))
ACTIVE(first(s(z0), cons(z1, z2))) → c1(FIRST(z0, z2))
ACTIVE(terms(z0)) → c1(SQR(z0))
ACTIVE(terms(z0)) → c1(S(z0))
ACTIVE(sqr(s(z0))) → c1(SQR(z0))
ACTIVE(sqr(s(z0))) → c1(DBL(z0))
ACTIVE(terms(terms(z0))) → c9(TERMS(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(terms(sqr(s(z0)))) → c9(TERMS(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(terms(dbl(s(z0)))) → c9(TERMS(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(terms(add(0, z0))) → c9(TERMS(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(terms(add(s(z0), z1))) → c9(TERMS(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(terms(first(0, z0))) → c9(TERMS(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(terms(first(s(z0), cons(z1, z2)))) → c9(TERMS(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(terms(terms(z0))) → c9(TERMS(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(terms(cons(z0, z1))) → c9(TERMS(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(terms(recip(z0))) → c9(TERMS(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(terms(sqr(z0))) → c9(TERMS(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(terms(s(z0))) → c9(TERMS(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(terms(add(z0, z1))) → c9(TERMS(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(terms(add(z0, z1))) → c9(TERMS(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(terms(dbl(z0))) → c9(TERMS(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(terms(first(z0, z1))) → c9(TERMS(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(terms(first(z0, z1))) → c9(TERMS(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(cons(terms(z0), x1)) → c10(CONS(mark(cons(recip(sqr(z0)), terms(s(z0)))), x1), ACTIVE(terms(z0)))
ACTIVE(cons(sqr(s(z0)), x1)) → c10(CONS(mark(s(add(sqr(z0), dbl(z0)))), x1), ACTIVE(sqr(s(z0))))
ACTIVE(cons(dbl(s(z0)), x1)) → c10(CONS(mark(s(s(dbl(z0)))), x1), ACTIVE(dbl(s(z0))))
ACTIVE(cons(add(0, z0), x1)) → c10(CONS(mark(z0), x1), ACTIVE(add(0, z0)))
ACTIVE(cons(add(s(z0), z1), x1)) → c10(CONS(mark(s(add(z0, z1))), x1), ACTIVE(add(s(z0), z1)))
ACTIVE(cons(first(0, z0), x1)) → c10(CONS(mark(nil), x1), ACTIVE(first(0, z0)))
ACTIVE(cons(first(s(z0), cons(z1, z2)), x1)) → c10(CONS(mark(cons(z1, first(z0, z2))), x1), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(cons(terms(z0), x1)) → c10(CONS(terms(active(z0)), x1), ACTIVE(terms(z0)))
ACTIVE(cons(cons(z0, z1), x1)) → c10(CONS(cons(active(z0), z1), x1), ACTIVE(cons(z0, z1)))
ACTIVE(cons(recip(z0), x1)) → c10(CONS(recip(active(z0)), x1), ACTIVE(recip(z0)))
ACTIVE(cons(sqr(z0), x1)) → c10(CONS(sqr(active(z0)), x1), ACTIVE(sqr(z0)))
ACTIVE(cons(s(z0), x1)) → c10(CONS(s(active(z0)), x1), ACTIVE(s(z0)))
ACTIVE(cons(add(z0, z1), x1)) → c10(CONS(add(active(z0), z1), x1), ACTIVE(add(z0, z1)))
ACTIVE(cons(add(z0, z1), x1)) → c10(CONS(add(z0, active(z1)), x1), ACTIVE(add(z0, z1)))
ACTIVE(cons(dbl(z0), x1)) → c10(CONS(dbl(active(z0)), x1), ACTIVE(dbl(z0)))
ACTIVE(cons(first(z0, z1), x1)) → c10(CONS(first(active(z0), z1), x1), ACTIVE(first(z0, z1)))
ACTIVE(cons(first(z0, z1), x1)) → c10(CONS(first(z0, active(z1)), x1), ACTIVE(first(z0, z1)))
ACTIVE(recip(terms(z0))) → c11(RECIP(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(recip(sqr(s(z0)))) → c11(RECIP(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(recip(dbl(s(z0)))) → c11(RECIP(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(recip(add(0, z0))) → c11(RECIP(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(recip(add(s(z0), z1))) → c11(RECIP(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(recip(first(0, z0))) → c11(RECIP(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(recip(first(s(z0), cons(z1, z2)))) → c11(RECIP(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(recip(terms(z0))) → c11(RECIP(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(recip(cons(z0, z1))) → c11(RECIP(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(recip(recip(z0))) → c11(RECIP(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(recip(sqr(z0))) → c11(RECIP(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(recip(s(z0))) → c11(RECIP(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(recip(add(z0, z1))) → c11(RECIP(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(recip(add(z0, z1))) → c11(RECIP(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(recip(dbl(z0))) → c11(RECIP(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(recip(first(z0, z1))) → c11(RECIP(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(recip(first(z0, z1))) → c11(RECIP(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(sqr(terms(z0))) → c12(SQR(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(sqr(sqr(s(z0)))) → c12(SQR(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(sqr(dbl(s(z0)))) → c12(SQR(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(sqr(add(0, z0))) → c12(SQR(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(sqr(add(s(z0), z1))) → c12(SQR(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(sqr(first(0, z0))) → c12(SQR(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(sqr(first(s(z0), cons(z1, z2)))) → c12(SQR(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(sqr(terms(z0))) → c12(SQR(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(sqr(cons(z0, z1))) → c12(SQR(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(sqr(recip(z0))) → c12(SQR(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(sqr(sqr(z0))) → c12(SQR(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(sqr(s(z0))) → c12(SQR(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(sqr(add(z0, z1))) → c12(SQR(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(sqr(add(z0, z1))) → c12(SQR(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(sqr(dbl(z0))) → c12(SQR(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(sqr(first(z0, z1))) → c12(SQR(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(sqr(first(z0, z1))) → c12(SQR(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(terms(sqr(0))) → c9(TERMS(mark(0)))
ACTIVE(cons(sqr(0), x1)) → c10(CONS(mark(0), x1))
ACTIVE(recip(sqr(0))) → c11(RECIP(mark(0)))
ACTIVE(sqr(sqr(0))) → c12(SQR(mark(0)))
ACTIVE(s(terms(z0))) → c13(S(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(s(sqr(s(z0)))) → c13(S(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(s(dbl(s(z0)))) → c13(S(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(s(add(0, z0))) → c13(S(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(s(add(s(z0), z1))) → c13(S(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(s(first(0, z0))) → c13(S(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(s(first(s(z0), cons(z1, z2)))) → c13(S(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(s(terms(z0))) → c13(S(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(s(cons(z0, z1))) → c13(S(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(s(recip(z0))) → c13(S(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(s(sqr(z0))) → c13(S(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(s(s(z0))) → c13(S(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(s(add(z0, z1))) → c13(S(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(s(add(z0, z1))) → c13(S(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(s(dbl(z0))) → c13(S(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(s(first(z0, z1))) → c13(S(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(s(first(z0, z1))) → c13(S(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(s(sqr(0))) → c13(S(mark(0)))
ACTIVE(dbl(terms(z0))) → c16(DBL(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(dbl(sqr(s(z0)))) → c16(DBL(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(dbl(dbl(s(z0)))) → c16(DBL(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(dbl(add(0, z0))) → c16(DBL(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(dbl(add(s(z0), z1))) → c16(DBL(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(dbl(first(0, z0))) → c16(DBL(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(dbl(first(s(z0), cons(z1, z2)))) → c16(DBL(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(dbl(terms(z0))) → c16(DBL(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(dbl(cons(z0, z1))) → c16(DBL(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(dbl(recip(z0))) → c16(DBL(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(dbl(sqr(z0))) → c16(DBL(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(dbl(s(z0))) → c16(DBL(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(dbl(add(z0, z1))) → c16(DBL(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(dbl(add(z0, z1))) → c16(DBL(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(dbl(dbl(z0))) → c16(DBL(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(dbl(first(z0, z1))) → c16(DBL(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(dbl(first(z0, z1))) → c16(DBL(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(terms(dbl(0))) → c9(TERMS(mark(0)))
ACTIVE(cons(dbl(0), x1)) → c10(CONS(mark(0), x1))
ACTIVE(recip(dbl(0))) → c11(RECIP(mark(0)))
ACTIVE(sqr(dbl(0))) → c12(SQR(mark(0)))
ACTIVE(s(dbl(0))) → c13(S(mark(0)))
ACTIVE(dbl(sqr(0))) → c16(DBL(mark(0)))
ACTIVE(dbl(dbl(0))) → c16(DBL(mark(0)))
PROPER(terms(terms(z0))) → c37(TERMS(terms(proper(z0))), PROPER(terms(z0)))
PROPER(terms(cons(z0, z1))) → c37(TERMS(cons(proper(z0), proper(z1))), PROPER(cons(z0, z1)))
PROPER(terms(recip(z0))) → c37(TERMS(recip(proper(z0))), PROPER(recip(z0)))
PROPER(terms(sqr(z0))) → c37(TERMS(sqr(proper(z0))), PROPER(sqr(z0)))
PROPER(terms(s(z0))) → c37(TERMS(s(proper(z0))), PROPER(s(z0)))
PROPER(terms(add(z0, z1))) → c37(TERMS(add(proper(z0), proper(z1))), PROPER(add(z0, z1)))
PROPER(terms(dbl(z0))) → c37(TERMS(dbl(proper(z0))), PROPER(dbl(z0)))
PROPER(terms(first(z0, z1))) → c37(TERMS(first(proper(z0), proper(z1))), PROPER(first(z0, z1)))
PROPER(terms(0)) → c37(TERMS(ok(0)))
PROPER(terms(nil)) → c37(TERMS(ok(nil)))
PROPER(cons(x0, terms(z0))) → c38(CONS(proper(x0), terms(proper(z0))), PROPER(x0), PROPER(terms(z0)))
PROPER(cons(x0, cons(z0, z1))) → c38(CONS(proper(x0), cons(proper(z0), proper(z1))), PROPER(x0), PROPER(cons(z0, z1)))
PROPER(cons(x0, recip(z0))) → c38(CONS(proper(x0), recip(proper(z0))), PROPER(x0), PROPER(recip(z0)))
PROPER(cons(x0, sqr(z0))) → c38(CONS(proper(x0), sqr(proper(z0))), PROPER(x0), PROPER(sqr(z0)))
PROPER(cons(x0, s(z0))) → c38(CONS(proper(x0), s(proper(z0))), PROPER(x0), PROPER(s(z0)))
PROPER(cons(x0, add(z0, z1))) → c38(CONS(proper(x0), add(proper(z0), proper(z1))), PROPER(x0), PROPER(add(z0, z1)))
PROPER(cons(x0, dbl(z0))) → c38(CONS(proper(x0), dbl(proper(z0))), PROPER(x0), PROPER(dbl(z0)))
PROPER(cons(x0, first(z0, z1))) → c38(CONS(proper(x0), first(proper(z0), proper(z1))), PROPER(x0), PROPER(first(z0, z1)))
PROPER(cons(terms(z0), x1)) → c38(CONS(terms(proper(z0)), proper(x1)), PROPER(terms(z0)), PROPER(x1))
PROPER(cons(cons(z0, z1), x1)) → c38(CONS(cons(proper(z0), proper(z1)), proper(x1)), PROPER(cons(z0, z1)), PROPER(x1))
PROPER(cons(recip(z0), x1)) → c38(CONS(recip(proper(z0)), proper(x1)), PROPER(recip(z0)), PROPER(x1))
PROPER(cons(sqr(z0), x1)) → c38(CONS(sqr(proper(z0)), proper(x1)), PROPER(sqr(z0)), PROPER(x1))
PROPER(cons(s(z0), x1)) → c38(CONS(s(proper(z0)), proper(x1)), PROPER(s(z0)), PROPER(x1))
PROPER(cons(add(z0, z1), x1)) → c38(CONS(add(proper(z0), proper(z1)), proper(x1)), PROPER(add(z0, z1)), PROPER(x1))
PROPER(cons(dbl(z0), x1)) → c38(CONS(dbl(proper(z0)), proper(x1)), PROPER(dbl(z0)), PROPER(x1))
PROPER(cons(first(z0, z1), x1)) → c38(CONS(first(proper(z0), proper(z1)), proper(x1)), PROPER(first(z0, z1)), PROPER(x1))
PROPER(cons(x0, 0)) → c38(CONS(proper(x0), ok(0)), PROPER(x0))
PROPER(cons(x0, nil)) → c38(CONS(proper(x0), ok(nil)), PROPER(x0))
PROPER(cons(0, x1)) → c38(CONS(ok(0), proper(x1)), PROPER(x1))
PROPER(cons(nil, x1)) → c38(CONS(ok(nil), proper(x1)), PROPER(x1))
PROPER(recip(terms(z0))) → c39(RECIP(terms(proper(z0))), PROPER(terms(z0)))
PROPER(recip(cons(z0, z1))) → c39(RECIP(cons(proper(z0), proper(z1))), PROPER(cons(z0, z1)))
PROPER(recip(recip(z0))) → c39(RECIP(recip(proper(z0))), PROPER(recip(z0)))
PROPER(recip(sqr(z0))) → c39(RECIP(sqr(proper(z0))), PROPER(sqr(z0)))
PROPER(recip(s(z0))) → c39(RECIP(s(proper(z0))), PROPER(s(z0)))
PROPER(recip(add(z0, z1))) → c39(RECIP(add(proper(z0), proper(z1))), PROPER(add(z0, z1)))
PROPER(recip(dbl(z0))) → c39(RECIP(dbl(proper(z0))), PROPER(dbl(z0)))
PROPER(recip(first(z0, z1))) → c39(RECIP(first(proper(z0), proper(z1))), PROPER(first(z0, z1)))
PROPER(recip(0)) → c39(RECIP(ok(0)))
PROPER(recip(nil)) → c39(RECIP(ok(nil)))
PROPER(sqr(terms(z0))) → c40(SQR(terms(proper(z0))), PROPER(terms(z0)))
PROPER(sqr(cons(z0, z1))) → c40(SQR(cons(proper(z0), proper(z1))), PROPER(cons(z0, z1)))
PROPER(sqr(recip(z0))) → c40(SQR(recip(proper(z0))), PROPER(recip(z0)))
PROPER(sqr(sqr(z0))) → c40(SQR(sqr(proper(z0))), PROPER(sqr(z0)))
PROPER(sqr(s(z0))) → c40(SQR(s(proper(z0))), PROPER(s(z0)))
PROPER(sqr(0)) → c40(SQR(ok(0)), PROPER(0))
PROPER(sqr(add(z0, z1))) → c40(SQR(add(proper(z0), proper(z1))), PROPER(add(z0, z1)))
PROPER(sqr(dbl(z0))) → c40(SQR(dbl(proper(z0))), PROPER(dbl(z0)))
PROPER(sqr(first(z0, z1))) → c40(SQR(first(proper(z0), proper(z1))), PROPER(first(z0, z1)))
PROPER(sqr(nil)) → c40(SQR(ok(nil)), PROPER(nil))
S tuples:

ACTIVE(add(z0, z1)) → c14(ADD(active(z0), z1), ACTIVE(z0))
ACTIVE(add(z0, z1)) → c15(ADD(z0, active(z1)), ACTIVE(z1))
ACTIVE(first(z0, z1)) → c17(FIRST(active(z0), z1), ACTIVE(z0))
ACTIVE(first(z0, z1)) → c18(FIRST(z0, active(z1)), ACTIVE(z1))
TERMS(mark(z0)) → c19(TERMS(z0))
TERMS(ok(z0)) → c20(TERMS(z0))
CONS(mark(z0), z1) → c21(CONS(z0, z1))
CONS(ok(z0), ok(z1)) → c22(CONS(z0, z1))
RECIP(mark(z0)) → c23(RECIP(z0))
RECIP(ok(z0)) → c24(RECIP(z0))
SQR(mark(z0)) → c25(SQR(z0))
SQR(ok(z0)) → c26(SQR(z0))
S(mark(z0)) → c27(S(z0))
S(ok(z0)) → c28(S(z0))
ADD(mark(z0), z1) → c29(ADD(z0, z1))
ADD(z0, mark(z1)) → c30(ADD(z0, z1))
ADD(ok(z0), ok(z1)) → c31(ADD(z0, z1))
DBL(mark(z0)) → c32(DBL(z0))
DBL(ok(z0)) → c33(DBL(z0))
FIRST(mark(z0), z1) → c34(FIRST(z0, z1))
FIRST(z0, mark(z1)) → c35(FIRST(z0, z1))
FIRST(ok(z0), ok(z1)) → c36(FIRST(z0, z1))
PROPER(s(z0)) → c41(S(proper(z0)), PROPER(z0))
PROPER(add(z0, z1)) → c43(ADD(proper(z0), proper(z1)), PROPER(z0), PROPER(z1))
PROPER(dbl(z0)) → c44(DBL(proper(z0)), PROPER(z0))
PROPER(first(z0, z1)) → c45(FIRST(proper(z0), proper(z1)), PROPER(z0), PROPER(z1))
TOP(mark(z0)) → c47(TOP(proper(z0)), PROPER(z0))
TOP(ok(z0)) → c48(TOP(active(z0)), ACTIVE(z0))
ACTIVE(dbl(s(z0))) → c4(DBL(z0))
ACTIVE(add(s(z0), z1)) → c6(ADD(z0, z1))
ACTIVE(first(s(z0), cons(z1, z2))) → c1(CONS(z1, first(z0, z2)))
ACTIVE(first(s(z0), cons(z1, z2))) → c1(FIRST(z0, z2))
ACTIVE(terms(z0)) → c1(SQR(z0))
ACTIVE(terms(z0)) → c1(S(z0))
ACTIVE(sqr(s(z0))) → c1(SQR(z0))
ACTIVE(sqr(s(z0))) → c1(DBL(z0))
ACTIVE(terms(terms(z0))) → c9(TERMS(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(terms(sqr(s(z0)))) → c9(TERMS(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(terms(dbl(s(z0)))) → c9(TERMS(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(terms(add(0, z0))) → c9(TERMS(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(terms(add(s(z0), z1))) → c9(TERMS(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(terms(first(0, z0))) → c9(TERMS(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(terms(first(s(z0), cons(z1, z2)))) → c9(TERMS(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(terms(terms(z0))) → c9(TERMS(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(terms(cons(z0, z1))) → c9(TERMS(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(terms(recip(z0))) → c9(TERMS(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(terms(sqr(z0))) → c9(TERMS(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(terms(s(z0))) → c9(TERMS(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(terms(add(z0, z1))) → c9(TERMS(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(terms(add(z0, z1))) → c9(TERMS(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(terms(dbl(z0))) → c9(TERMS(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(terms(first(z0, z1))) → c9(TERMS(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(terms(first(z0, z1))) → c9(TERMS(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(cons(terms(z0), x1)) → c10(CONS(mark(cons(recip(sqr(z0)), terms(s(z0)))), x1), ACTIVE(terms(z0)))
ACTIVE(cons(sqr(s(z0)), x1)) → c10(CONS(mark(s(add(sqr(z0), dbl(z0)))), x1), ACTIVE(sqr(s(z0))))
ACTIVE(cons(dbl(s(z0)), x1)) → c10(CONS(mark(s(s(dbl(z0)))), x1), ACTIVE(dbl(s(z0))))
ACTIVE(cons(add(0, z0), x1)) → c10(CONS(mark(z0), x1), ACTIVE(add(0, z0)))
ACTIVE(cons(add(s(z0), z1), x1)) → c10(CONS(mark(s(add(z0, z1))), x1), ACTIVE(add(s(z0), z1)))
ACTIVE(cons(first(0, z0), x1)) → c10(CONS(mark(nil), x1), ACTIVE(first(0, z0)))
ACTIVE(cons(first(s(z0), cons(z1, z2)), x1)) → c10(CONS(mark(cons(z1, first(z0, z2))), x1), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(cons(terms(z0), x1)) → c10(CONS(terms(active(z0)), x1), ACTIVE(terms(z0)))
ACTIVE(cons(cons(z0, z1), x1)) → c10(CONS(cons(active(z0), z1), x1), ACTIVE(cons(z0, z1)))
ACTIVE(cons(recip(z0), x1)) → c10(CONS(recip(active(z0)), x1), ACTIVE(recip(z0)))
ACTIVE(cons(sqr(z0), x1)) → c10(CONS(sqr(active(z0)), x1), ACTIVE(sqr(z0)))
ACTIVE(cons(s(z0), x1)) → c10(CONS(s(active(z0)), x1), ACTIVE(s(z0)))
ACTIVE(cons(add(z0, z1), x1)) → c10(CONS(add(active(z0), z1), x1), ACTIVE(add(z0, z1)))
ACTIVE(cons(add(z0, z1), x1)) → c10(CONS(add(z0, active(z1)), x1), ACTIVE(add(z0, z1)))
ACTIVE(cons(dbl(z0), x1)) → c10(CONS(dbl(active(z0)), x1), ACTIVE(dbl(z0)))
ACTIVE(cons(first(z0, z1), x1)) → c10(CONS(first(active(z0), z1), x1), ACTIVE(first(z0, z1)))
ACTIVE(cons(first(z0, z1), x1)) → c10(CONS(first(z0, active(z1)), x1), ACTIVE(first(z0, z1)))
ACTIVE(recip(terms(z0))) → c11(RECIP(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(recip(sqr(s(z0)))) → c11(RECIP(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(recip(dbl(s(z0)))) → c11(RECIP(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(recip(add(0, z0))) → c11(RECIP(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(recip(add(s(z0), z1))) → c11(RECIP(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(recip(first(0, z0))) → c11(RECIP(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(recip(first(s(z0), cons(z1, z2)))) → c11(RECIP(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(recip(terms(z0))) → c11(RECIP(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(recip(cons(z0, z1))) → c11(RECIP(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(recip(recip(z0))) → c11(RECIP(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(recip(sqr(z0))) → c11(RECIP(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(recip(s(z0))) → c11(RECIP(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(recip(add(z0, z1))) → c11(RECIP(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(recip(add(z0, z1))) → c11(RECIP(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(recip(dbl(z0))) → c11(RECIP(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(recip(first(z0, z1))) → c11(RECIP(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(recip(first(z0, z1))) → c11(RECIP(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(sqr(terms(z0))) → c12(SQR(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(sqr(sqr(s(z0)))) → c12(SQR(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(sqr(dbl(s(z0)))) → c12(SQR(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(sqr(add(0, z0))) → c12(SQR(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(sqr(add(s(z0), z1))) → c12(SQR(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(sqr(first(0, z0))) → c12(SQR(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(sqr(first(s(z0), cons(z1, z2)))) → c12(SQR(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(sqr(terms(z0))) → c12(SQR(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(sqr(cons(z0, z1))) → c12(SQR(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(sqr(recip(z0))) → c12(SQR(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(sqr(sqr(z0))) → c12(SQR(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(sqr(s(z0))) → c12(SQR(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(sqr(add(z0, z1))) → c12(SQR(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(sqr(add(z0, z1))) → c12(SQR(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(sqr(dbl(z0))) → c12(SQR(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(sqr(first(z0, z1))) → c12(SQR(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(sqr(first(z0, z1))) → c12(SQR(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(terms(sqr(0))) → c9(TERMS(mark(0)))
ACTIVE(cons(sqr(0), x1)) → c10(CONS(mark(0), x1))
ACTIVE(recip(sqr(0))) → c11(RECIP(mark(0)))
ACTIVE(sqr(sqr(0))) → c12(SQR(mark(0)))
ACTIVE(s(terms(z0))) → c13(S(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(s(sqr(s(z0)))) → c13(S(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(s(dbl(s(z0)))) → c13(S(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(s(add(0, z0))) → c13(S(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(s(add(s(z0), z1))) → c13(S(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(s(first(0, z0))) → c13(S(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(s(first(s(z0), cons(z1, z2)))) → c13(S(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(s(terms(z0))) → c13(S(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(s(cons(z0, z1))) → c13(S(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(s(recip(z0))) → c13(S(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(s(sqr(z0))) → c13(S(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(s(s(z0))) → c13(S(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(s(add(z0, z1))) → c13(S(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(s(add(z0, z1))) → c13(S(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(s(dbl(z0))) → c13(S(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(s(first(z0, z1))) → c13(S(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(s(first(z0, z1))) → c13(S(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(s(sqr(0))) → c13(S(mark(0)))
ACTIVE(dbl(terms(z0))) → c16(DBL(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(dbl(sqr(s(z0)))) → c16(DBL(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(dbl(dbl(s(z0)))) → c16(DBL(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(dbl(add(0, z0))) → c16(DBL(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(dbl(add(s(z0), z1))) → c16(DBL(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(dbl(first(0, z0))) → c16(DBL(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(dbl(first(s(z0), cons(z1, z2)))) → c16(DBL(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(dbl(terms(z0))) → c16(DBL(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(dbl(cons(z0, z1))) → c16(DBL(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(dbl(recip(z0))) → c16(DBL(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(dbl(sqr(z0))) → c16(DBL(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(dbl(s(z0))) → c16(DBL(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(dbl(add(z0, z1))) → c16(DBL(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(dbl(add(z0, z1))) → c16(DBL(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(dbl(dbl(z0))) → c16(DBL(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(dbl(first(z0, z1))) → c16(DBL(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(dbl(first(z0, z1))) → c16(DBL(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(terms(dbl(0))) → c9(TERMS(mark(0)))
ACTIVE(cons(dbl(0), x1)) → c10(CONS(mark(0), x1))
ACTIVE(recip(dbl(0))) → c11(RECIP(mark(0)))
ACTIVE(sqr(dbl(0))) → c12(SQR(mark(0)))
ACTIVE(s(dbl(0))) → c13(S(mark(0)))
ACTIVE(dbl(sqr(0))) → c16(DBL(mark(0)))
ACTIVE(dbl(dbl(0))) → c16(DBL(mark(0)))
PROPER(terms(terms(z0))) → c37(TERMS(terms(proper(z0))), PROPER(terms(z0)))
PROPER(terms(cons(z0, z1))) → c37(TERMS(cons(proper(z0), proper(z1))), PROPER(cons(z0, z1)))
PROPER(terms(recip(z0))) → c37(TERMS(recip(proper(z0))), PROPER(recip(z0)))
PROPER(terms(sqr(z0))) → c37(TERMS(sqr(proper(z0))), PROPER(sqr(z0)))
PROPER(terms(s(z0))) → c37(TERMS(s(proper(z0))), PROPER(s(z0)))
PROPER(terms(add(z0, z1))) → c37(TERMS(add(proper(z0), proper(z1))), PROPER(add(z0, z1)))
PROPER(terms(dbl(z0))) → c37(TERMS(dbl(proper(z0))), PROPER(dbl(z0)))
PROPER(terms(first(z0, z1))) → c37(TERMS(first(proper(z0), proper(z1))), PROPER(first(z0, z1)))
PROPER(terms(0)) → c37(TERMS(ok(0)))
PROPER(terms(nil)) → c37(TERMS(ok(nil)))
PROPER(cons(x0, terms(z0))) → c38(CONS(proper(x0), terms(proper(z0))), PROPER(x0), PROPER(terms(z0)))
PROPER(cons(x0, cons(z0, z1))) → c38(CONS(proper(x0), cons(proper(z0), proper(z1))), PROPER(x0), PROPER(cons(z0, z1)))
PROPER(cons(x0, recip(z0))) → c38(CONS(proper(x0), recip(proper(z0))), PROPER(x0), PROPER(recip(z0)))
PROPER(cons(x0, sqr(z0))) → c38(CONS(proper(x0), sqr(proper(z0))), PROPER(x0), PROPER(sqr(z0)))
PROPER(cons(x0, s(z0))) → c38(CONS(proper(x0), s(proper(z0))), PROPER(x0), PROPER(s(z0)))
PROPER(cons(x0, add(z0, z1))) → c38(CONS(proper(x0), add(proper(z0), proper(z1))), PROPER(x0), PROPER(add(z0, z1)))
PROPER(cons(x0, dbl(z0))) → c38(CONS(proper(x0), dbl(proper(z0))), PROPER(x0), PROPER(dbl(z0)))
PROPER(cons(x0, first(z0, z1))) → c38(CONS(proper(x0), first(proper(z0), proper(z1))), PROPER(x0), PROPER(first(z0, z1)))
PROPER(cons(terms(z0), x1)) → c38(CONS(terms(proper(z0)), proper(x1)), PROPER(terms(z0)), PROPER(x1))
PROPER(cons(cons(z0, z1), x1)) → c38(CONS(cons(proper(z0), proper(z1)), proper(x1)), PROPER(cons(z0, z1)), PROPER(x1))
PROPER(cons(recip(z0), x1)) → c38(CONS(recip(proper(z0)), proper(x1)), PROPER(recip(z0)), PROPER(x1))
PROPER(cons(sqr(z0), x1)) → c38(CONS(sqr(proper(z0)), proper(x1)), PROPER(sqr(z0)), PROPER(x1))
PROPER(cons(s(z0), x1)) → c38(CONS(s(proper(z0)), proper(x1)), PROPER(s(z0)), PROPER(x1))
PROPER(cons(add(z0, z1), x1)) → c38(CONS(add(proper(z0), proper(z1)), proper(x1)), PROPER(add(z0, z1)), PROPER(x1))
PROPER(cons(dbl(z0), x1)) → c38(CONS(dbl(proper(z0)), proper(x1)), PROPER(dbl(z0)), PROPER(x1))
PROPER(cons(first(z0, z1), x1)) → c38(CONS(first(proper(z0), proper(z1)), proper(x1)), PROPER(first(z0, z1)), PROPER(x1))
PROPER(cons(x0, 0)) → c38(CONS(proper(x0), ok(0)), PROPER(x0))
PROPER(cons(x0, nil)) → c38(CONS(proper(x0), ok(nil)), PROPER(x0))
PROPER(cons(0, x1)) → c38(CONS(ok(0), proper(x1)), PROPER(x1))
PROPER(cons(nil, x1)) → c38(CONS(ok(nil), proper(x1)), PROPER(x1))
PROPER(recip(terms(z0))) → c39(RECIP(terms(proper(z0))), PROPER(terms(z0)))
PROPER(recip(cons(z0, z1))) → c39(RECIP(cons(proper(z0), proper(z1))), PROPER(cons(z0, z1)))
PROPER(recip(recip(z0))) → c39(RECIP(recip(proper(z0))), PROPER(recip(z0)))
PROPER(recip(sqr(z0))) → c39(RECIP(sqr(proper(z0))), PROPER(sqr(z0)))
PROPER(recip(s(z0))) → c39(RECIP(s(proper(z0))), PROPER(s(z0)))
PROPER(recip(add(z0, z1))) → c39(RECIP(add(proper(z0), proper(z1))), PROPER(add(z0, z1)))
PROPER(recip(dbl(z0))) → c39(RECIP(dbl(proper(z0))), PROPER(dbl(z0)))
PROPER(recip(first(z0, z1))) → c39(RECIP(first(proper(z0), proper(z1))), PROPER(first(z0, z1)))
PROPER(recip(0)) → c39(RECIP(ok(0)))
PROPER(recip(nil)) → c39(RECIP(ok(nil)))
PROPER(sqr(terms(z0))) → c40(SQR(terms(proper(z0))), PROPER(terms(z0)))
PROPER(sqr(cons(z0, z1))) → c40(SQR(cons(proper(z0), proper(z1))), PROPER(cons(z0, z1)))
PROPER(sqr(recip(z0))) → c40(SQR(recip(proper(z0))), PROPER(recip(z0)))
PROPER(sqr(sqr(z0))) → c40(SQR(sqr(proper(z0))), PROPER(sqr(z0)))
PROPER(sqr(s(z0))) → c40(SQR(s(proper(z0))), PROPER(s(z0)))
PROPER(sqr(0)) → c40(SQR(ok(0)), PROPER(0))
PROPER(sqr(add(z0, z1))) → c40(SQR(add(proper(z0), proper(z1))), PROPER(add(z0, z1)))
PROPER(sqr(dbl(z0))) → c40(SQR(dbl(proper(z0))), PROPER(dbl(z0)))
PROPER(sqr(first(z0, z1))) → c40(SQR(first(proper(z0), proper(z1))), PROPER(first(z0, z1)))
PROPER(sqr(nil)) → c40(SQR(ok(nil)), PROPER(nil))
K tuples:none
Defined Rule Symbols:

active, cons, first, terms, recip, sqr, s, add, dbl, proper

Defined Pair Symbols:

ACTIVE, TERMS, CONS, RECIP, SQR, S, ADD, DBL, FIRST, PROPER, TOP

Compound Symbols:

c14, c15, c17, c18, c19, c20, c21, c22, c23, c24, c25, c26, c27, c28, c29, c30, c31, c32, c33, c34, c35, c36, c41, c43, c44, c45, c47, c48, c4, c6, c1, c9, c10, c11, c12, c9, c10, c11, c12, c13, c13, c16, c16, c37, c37, c38, c38, c39, c39, c40

(43) CdtRhsSimplificationProcessorProof (BOTH BOUNDS(ID, ID) transformation)

Removed 2 trailing tuple parts

(44) Obligation:

Complexity Dependency Tuples Problem
Rules:

active(terms(z0)) → mark(cons(recip(sqr(z0)), terms(s(z0))))
active(sqr(0)) → mark(0)
active(sqr(s(z0))) → mark(s(add(sqr(z0), dbl(z0))))
active(dbl(0)) → mark(0)
active(dbl(s(z0))) → mark(s(s(dbl(z0))))
active(add(0, z0)) → mark(z0)
active(add(s(z0), z1)) → mark(s(add(z0, z1)))
active(first(0, z0)) → mark(nil)
active(first(s(z0), cons(z1, z2))) → mark(cons(z1, first(z0, z2)))
active(terms(z0)) → terms(active(z0))
active(cons(z0, z1)) → cons(active(z0), z1)
active(recip(z0)) → recip(active(z0))
active(sqr(z0)) → sqr(active(z0))
active(s(z0)) → s(active(z0))
active(add(z0, z1)) → add(active(z0), z1)
active(add(z0, z1)) → add(z0, active(z1))
active(dbl(z0)) → dbl(active(z0))
active(first(z0, z1)) → first(active(z0), z1)
active(first(z0, z1)) → first(z0, active(z1))
cons(ok(z0), ok(z1)) → ok(cons(z0, z1))
cons(mark(z0), z1) → mark(cons(z0, z1))
first(z0, mark(z1)) → mark(first(z0, z1))
first(mark(z0), z1) → mark(first(z0, z1))
first(ok(z0), ok(z1)) → ok(first(z0, z1))
terms(mark(z0)) → mark(terms(z0))
terms(ok(z0)) → ok(terms(z0))
recip(mark(z0)) → mark(recip(z0))
recip(ok(z0)) → ok(recip(z0))
sqr(mark(z0)) → mark(sqr(z0))
sqr(ok(z0)) → ok(sqr(z0))
s(mark(z0)) → mark(s(z0))
s(ok(z0)) → ok(s(z0))
add(mark(z0), z1) → mark(add(z0, z1))
add(ok(z0), ok(z1)) → ok(add(z0, z1))
add(z0, mark(z1)) → mark(add(z0, z1))
dbl(mark(z0)) → mark(dbl(z0))
dbl(ok(z0)) → ok(dbl(z0))
proper(terms(z0)) → terms(proper(z0))
proper(cons(z0, z1)) → cons(proper(z0), proper(z1))
proper(recip(z0)) → recip(proper(z0))
proper(sqr(z0)) → sqr(proper(z0))
proper(s(z0)) → s(proper(z0))
proper(0) → ok(0)
proper(add(z0, z1)) → add(proper(z0), proper(z1))
proper(dbl(z0)) → dbl(proper(z0))
proper(first(z0, z1)) → first(proper(z0), proper(z1))
proper(nil) → ok(nil)
Tuples:

ACTIVE(add(z0, z1)) → c14(ADD(active(z0), z1), ACTIVE(z0))
ACTIVE(add(z0, z1)) → c15(ADD(z0, active(z1)), ACTIVE(z1))
ACTIVE(first(z0, z1)) → c17(FIRST(active(z0), z1), ACTIVE(z0))
ACTIVE(first(z0, z1)) → c18(FIRST(z0, active(z1)), ACTIVE(z1))
TERMS(mark(z0)) → c19(TERMS(z0))
TERMS(ok(z0)) → c20(TERMS(z0))
CONS(mark(z0), z1) → c21(CONS(z0, z1))
CONS(ok(z0), ok(z1)) → c22(CONS(z0, z1))
RECIP(mark(z0)) → c23(RECIP(z0))
RECIP(ok(z0)) → c24(RECIP(z0))
SQR(mark(z0)) → c25(SQR(z0))
SQR(ok(z0)) → c26(SQR(z0))
S(mark(z0)) → c27(S(z0))
S(ok(z0)) → c28(S(z0))
ADD(mark(z0), z1) → c29(ADD(z0, z1))
ADD(z0, mark(z1)) → c30(ADD(z0, z1))
ADD(ok(z0), ok(z1)) → c31(ADD(z0, z1))
DBL(mark(z0)) → c32(DBL(z0))
DBL(ok(z0)) → c33(DBL(z0))
FIRST(mark(z0), z1) → c34(FIRST(z0, z1))
FIRST(z0, mark(z1)) → c35(FIRST(z0, z1))
FIRST(ok(z0), ok(z1)) → c36(FIRST(z0, z1))
PROPER(s(z0)) → c41(S(proper(z0)), PROPER(z0))
PROPER(add(z0, z1)) → c43(ADD(proper(z0), proper(z1)), PROPER(z0), PROPER(z1))
PROPER(dbl(z0)) → c44(DBL(proper(z0)), PROPER(z0))
PROPER(first(z0, z1)) → c45(FIRST(proper(z0), proper(z1)), PROPER(z0), PROPER(z1))
TOP(mark(z0)) → c47(TOP(proper(z0)), PROPER(z0))
TOP(ok(z0)) → c48(TOP(active(z0)), ACTIVE(z0))
ACTIVE(dbl(s(z0))) → c4(DBL(z0))
ACTIVE(add(s(z0), z1)) → c6(ADD(z0, z1))
ACTIVE(first(s(z0), cons(z1, z2))) → c1(CONS(z1, first(z0, z2)))
ACTIVE(first(s(z0), cons(z1, z2))) → c1(FIRST(z0, z2))
ACTIVE(terms(z0)) → c1(SQR(z0))
ACTIVE(terms(z0)) → c1(S(z0))
ACTIVE(sqr(s(z0))) → c1(SQR(z0))
ACTIVE(sqr(s(z0))) → c1(DBL(z0))
ACTIVE(terms(terms(z0))) → c9(TERMS(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(terms(sqr(s(z0)))) → c9(TERMS(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(terms(dbl(s(z0)))) → c9(TERMS(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(terms(add(0, z0))) → c9(TERMS(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(terms(add(s(z0), z1))) → c9(TERMS(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(terms(first(0, z0))) → c9(TERMS(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(terms(first(s(z0), cons(z1, z2)))) → c9(TERMS(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(terms(terms(z0))) → c9(TERMS(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(terms(cons(z0, z1))) → c9(TERMS(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(terms(recip(z0))) → c9(TERMS(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(terms(sqr(z0))) → c9(TERMS(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(terms(s(z0))) → c9(TERMS(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(terms(add(z0, z1))) → c9(TERMS(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(terms(add(z0, z1))) → c9(TERMS(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(terms(dbl(z0))) → c9(TERMS(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(terms(first(z0, z1))) → c9(TERMS(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(terms(first(z0, z1))) → c9(TERMS(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(cons(terms(z0), x1)) → c10(CONS(mark(cons(recip(sqr(z0)), terms(s(z0)))), x1), ACTIVE(terms(z0)))
ACTIVE(cons(sqr(s(z0)), x1)) → c10(CONS(mark(s(add(sqr(z0), dbl(z0)))), x1), ACTIVE(sqr(s(z0))))
ACTIVE(cons(dbl(s(z0)), x1)) → c10(CONS(mark(s(s(dbl(z0)))), x1), ACTIVE(dbl(s(z0))))
ACTIVE(cons(add(0, z0), x1)) → c10(CONS(mark(z0), x1), ACTIVE(add(0, z0)))
ACTIVE(cons(add(s(z0), z1), x1)) → c10(CONS(mark(s(add(z0, z1))), x1), ACTIVE(add(s(z0), z1)))
ACTIVE(cons(first(0, z0), x1)) → c10(CONS(mark(nil), x1), ACTIVE(first(0, z0)))
ACTIVE(cons(first(s(z0), cons(z1, z2)), x1)) → c10(CONS(mark(cons(z1, first(z0, z2))), x1), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(cons(terms(z0), x1)) → c10(CONS(terms(active(z0)), x1), ACTIVE(terms(z0)))
ACTIVE(cons(cons(z0, z1), x1)) → c10(CONS(cons(active(z0), z1), x1), ACTIVE(cons(z0, z1)))
ACTIVE(cons(recip(z0), x1)) → c10(CONS(recip(active(z0)), x1), ACTIVE(recip(z0)))
ACTIVE(cons(sqr(z0), x1)) → c10(CONS(sqr(active(z0)), x1), ACTIVE(sqr(z0)))
ACTIVE(cons(s(z0), x1)) → c10(CONS(s(active(z0)), x1), ACTIVE(s(z0)))
ACTIVE(cons(add(z0, z1), x1)) → c10(CONS(add(active(z0), z1), x1), ACTIVE(add(z0, z1)))
ACTIVE(cons(add(z0, z1), x1)) → c10(CONS(add(z0, active(z1)), x1), ACTIVE(add(z0, z1)))
ACTIVE(cons(dbl(z0), x1)) → c10(CONS(dbl(active(z0)), x1), ACTIVE(dbl(z0)))
ACTIVE(cons(first(z0, z1), x1)) → c10(CONS(first(active(z0), z1), x1), ACTIVE(first(z0, z1)))
ACTIVE(cons(first(z0, z1), x1)) → c10(CONS(first(z0, active(z1)), x1), ACTIVE(first(z0, z1)))
ACTIVE(recip(terms(z0))) → c11(RECIP(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(recip(sqr(s(z0)))) → c11(RECIP(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(recip(dbl(s(z0)))) → c11(RECIP(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(recip(add(0, z0))) → c11(RECIP(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(recip(add(s(z0), z1))) → c11(RECIP(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(recip(first(0, z0))) → c11(RECIP(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(recip(first(s(z0), cons(z1, z2)))) → c11(RECIP(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(recip(terms(z0))) → c11(RECIP(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(recip(cons(z0, z1))) → c11(RECIP(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(recip(recip(z0))) → c11(RECIP(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(recip(sqr(z0))) → c11(RECIP(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(recip(s(z0))) → c11(RECIP(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(recip(add(z0, z1))) → c11(RECIP(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(recip(add(z0, z1))) → c11(RECIP(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(recip(dbl(z0))) → c11(RECIP(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(recip(first(z0, z1))) → c11(RECIP(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(recip(first(z0, z1))) → c11(RECIP(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(sqr(terms(z0))) → c12(SQR(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(sqr(sqr(s(z0)))) → c12(SQR(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(sqr(dbl(s(z0)))) → c12(SQR(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(sqr(add(0, z0))) → c12(SQR(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(sqr(add(s(z0), z1))) → c12(SQR(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(sqr(first(0, z0))) → c12(SQR(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(sqr(first(s(z0), cons(z1, z2)))) → c12(SQR(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(sqr(terms(z0))) → c12(SQR(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(sqr(cons(z0, z1))) → c12(SQR(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(sqr(recip(z0))) → c12(SQR(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(sqr(sqr(z0))) → c12(SQR(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(sqr(s(z0))) → c12(SQR(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(sqr(add(z0, z1))) → c12(SQR(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(sqr(add(z0, z1))) → c12(SQR(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(sqr(dbl(z0))) → c12(SQR(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(sqr(first(z0, z1))) → c12(SQR(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(sqr(first(z0, z1))) → c12(SQR(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(terms(sqr(0))) → c9(TERMS(mark(0)))
ACTIVE(cons(sqr(0), x1)) → c10(CONS(mark(0), x1))
ACTIVE(recip(sqr(0))) → c11(RECIP(mark(0)))
ACTIVE(sqr(sqr(0))) → c12(SQR(mark(0)))
ACTIVE(s(terms(z0))) → c13(S(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(s(sqr(s(z0)))) → c13(S(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(s(dbl(s(z0)))) → c13(S(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(s(add(0, z0))) → c13(S(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(s(add(s(z0), z1))) → c13(S(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(s(first(0, z0))) → c13(S(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(s(first(s(z0), cons(z1, z2)))) → c13(S(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(s(terms(z0))) → c13(S(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(s(cons(z0, z1))) → c13(S(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(s(recip(z0))) → c13(S(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(s(sqr(z0))) → c13(S(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(s(s(z0))) → c13(S(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(s(add(z0, z1))) → c13(S(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(s(add(z0, z1))) → c13(S(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(s(dbl(z0))) → c13(S(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(s(first(z0, z1))) → c13(S(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(s(first(z0, z1))) → c13(S(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(s(sqr(0))) → c13(S(mark(0)))
ACTIVE(dbl(terms(z0))) → c16(DBL(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(dbl(sqr(s(z0)))) → c16(DBL(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(dbl(dbl(s(z0)))) → c16(DBL(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(dbl(add(0, z0))) → c16(DBL(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(dbl(add(s(z0), z1))) → c16(DBL(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(dbl(first(0, z0))) → c16(DBL(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(dbl(first(s(z0), cons(z1, z2)))) → c16(DBL(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(dbl(terms(z0))) → c16(DBL(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(dbl(cons(z0, z1))) → c16(DBL(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(dbl(recip(z0))) → c16(DBL(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(dbl(sqr(z0))) → c16(DBL(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(dbl(s(z0))) → c16(DBL(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(dbl(add(z0, z1))) → c16(DBL(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(dbl(add(z0, z1))) → c16(DBL(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(dbl(dbl(z0))) → c16(DBL(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(dbl(first(z0, z1))) → c16(DBL(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(dbl(first(z0, z1))) → c16(DBL(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(terms(dbl(0))) → c9(TERMS(mark(0)))
ACTIVE(cons(dbl(0), x1)) → c10(CONS(mark(0), x1))
ACTIVE(recip(dbl(0))) → c11(RECIP(mark(0)))
ACTIVE(sqr(dbl(0))) → c12(SQR(mark(0)))
ACTIVE(s(dbl(0))) → c13(S(mark(0)))
ACTIVE(dbl(sqr(0))) → c16(DBL(mark(0)))
ACTIVE(dbl(dbl(0))) → c16(DBL(mark(0)))
PROPER(terms(terms(z0))) → c37(TERMS(terms(proper(z0))), PROPER(terms(z0)))
PROPER(terms(cons(z0, z1))) → c37(TERMS(cons(proper(z0), proper(z1))), PROPER(cons(z0, z1)))
PROPER(terms(recip(z0))) → c37(TERMS(recip(proper(z0))), PROPER(recip(z0)))
PROPER(terms(sqr(z0))) → c37(TERMS(sqr(proper(z0))), PROPER(sqr(z0)))
PROPER(terms(s(z0))) → c37(TERMS(s(proper(z0))), PROPER(s(z0)))
PROPER(terms(add(z0, z1))) → c37(TERMS(add(proper(z0), proper(z1))), PROPER(add(z0, z1)))
PROPER(terms(dbl(z0))) → c37(TERMS(dbl(proper(z0))), PROPER(dbl(z0)))
PROPER(terms(first(z0, z1))) → c37(TERMS(first(proper(z0), proper(z1))), PROPER(first(z0, z1)))
PROPER(terms(0)) → c37(TERMS(ok(0)))
PROPER(terms(nil)) → c37(TERMS(ok(nil)))
PROPER(cons(x0, terms(z0))) → c38(CONS(proper(x0), terms(proper(z0))), PROPER(x0), PROPER(terms(z0)))
PROPER(cons(x0, cons(z0, z1))) → c38(CONS(proper(x0), cons(proper(z0), proper(z1))), PROPER(x0), PROPER(cons(z0, z1)))
PROPER(cons(x0, recip(z0))) → c38(CONS(proper(x0), recip(proper(z0))), PROPER(x0), PROPER(recip(z0)))
PROPER(cons(x0, sqr(z0))) → c38(CONS(proper(x0), sqr(proper(z0))), PROPER(x0), PROPER(sqr(z0)))
PROPER(cons(x0, s(z0))) → c38(CONS(proper(x0), s(proper(z0))), PROPER(x0), PROPER(s(z0)))
PROPER(cons(x0, add(z0, z1))) → c38(CONS(proper(x0), add(proper(z0), proper(z1))), PROPER(x0), PROPER(add(z0, z1)))
PROPER(cons(x0, dbl(z0))) → c38(CONS(proper(x0), dbl(proper(z0))), PROPER(x0), PROPER(dbl(z0)))
PROPER(cons(x0, first(z0, z1))) → c38(CONS(proper(x0), first(proper(z0), proper(z1))), PROPER(x0), PROPER(first(z0, z1)))
PROPER(cons(terms(z0), x1)) → c38(CONS(terms(proper(z0)), proper(x1)), PROPER(terms(z0)), PROPER(x1))
PROPER(cons(cons(z0, z1), x1)) → c38(CONS(cons(proper(z0), proper(z1)), proper(x1)), PROPER(cons(z0, z1)), PROPER(x1))
PROPER(cons(recip(z0), x1)) → c38(CONS(recip(proper(z0)), proper(x1)), PROPER(recip(z0)), PROPER(x1))
PROPER(cons(sqr(z0), x1)) → c38(CONS(sqr(proper(z0)), proper(x1)), PROPER(sqr(z0)), PROPER(x1))
PROPER(cons(s(z0), x1)) → c38(CONS(s(proper(z0)), proper(x1)), PROPER(s(z0)), PROPER(x1))
PROPER(cons(add(z0, z1), x1)) → c38(CONS(add(proper(z0), proper(z1)), proper(x1)), PROPER(add(z0, z1)), PROPER(x1))
PROPER(cons(dbl(z0), x1)) → c38(CONS(dbl(proper(z0)), proper(x1)), PROPER(dbl(z0)), PROPER(x1))
PROPER(cons(first(z0, z1), x1)) → c38(CONS(first(proper(z0), proper(z1)), proper(x1)), PROPER(first(z0, z1)), PROPER(x1))
PROPER(cons(x0, 0)) → c38(CONS(proper(x0), ok(0)), PROPER(x0))
PROPER(cons(x0, nil)) → c38(CONS(proper(x0), ok(nil)), PROPER(x0))
PROPER(cons(0, x1)) → c38(CONS(ok(0), proper(x1)), PROPER(x1))
PROPER(cons(nil, x1)) → c38(CONS(ok(nil), proper(x1)), PROPER(x1))
PROPER(recip(terms(z0))) → c39(RECIP(terms(proper(z0))), PROPER(terms(z0)))
PROPER(recip(cons(z0, z1))) → c39(RECIP(cons(proper(z0), proper(z1))), PROPER(cons(z0, z1)))
PROPER(recip(recip(z0))) → c39(RECIP(recip(proper(z0))), PROPER(recip(z0)))
PROPER(recip(sqr(z0))) → c39(RECIP(sqr(proper(z0))), PROPER(sqr(z0)))
PROPER(recip(s(z0))) → c39(RECIP(s(proper(z0))), PROPER(s(z0)))
PROPER(recip(add(z0, z1))) → c39(RECIP(add(proper(z0), proper(z1))), PROPER(add(z0, z1)))
PROPER(recip(dbl(z0))) → c39(RECIP(dbl(proper(z0))), PROPER(dbl(z0)))
PROPER(recip(first(z0, z1))) → c39(RECIP(first(proper(z0), proper(z1))), PROPER(first(z0, z1)))
PROPER(recip(0)) → c39(RECIP(ok(0)))
PROPER(recip(nil)) → c39(RECIP(ok(nil)))
PROPER(sqr(terms(z0))) → c40(SQR(terms(proper(z0))), PROPER(terms(z0)))
PROPER(sqr(cons(z0, z1))) → c40(SQR(cons(proper(z0), proper(z1))), PROPER(cons(z0, z1)))
PROPER(sqr(recip(z0))) → c40(SQR(recip(proper(z0))), PROPER(recip(z0)))
PROPER(sqr(sqr(z0))) → c40(SQR(sqr(proper(z0))), PROPER(sqr(z0)))
PROPER(sqr(s(z0))) → c40(SQR(s(proper(z0))), PROPER(s(z0)))
PROPER(sqr(add(z0, z1))) → c40(SQR(add(proper(z0), proper(z1))), PROPER(add(z0, z1)))
PROPER(sqr(dbl(z0))) → c40(SQR(dbl(proper(z0))), PROPER(dbl(z0)))
PROPER(sqr(first(z0, z1))) → c40(SQR(first(proper(z0), proper(z1))), PROPER(first(z0, z1)))
PROPER(sqr(0)) → c40(SQR(ok(0)))
PROPER(sqr(nil)) → c40(SQR(ok(nil)))
S tuples:

ACTIVE(add(z0, z1)) → c14(ADD(active(z0), z1), ACTIVE(z0))
ACTIVE(add(z0, z1)) → c15(ADD(z0, active(z1)), ACTIVE(z1))
ACTIVE(first(z0, z1)) → c17(FIRST(active(z0), z1), ACTIVE(z0))
ACTIVE(first(z0, z1)) → c18(FIRST(z0, active(z1)), ACTIVE(z1))
TERMS(mark(z0)) → c19(TERMS(z0))
TERMS(ok(z0)) → c20(TERMS(z0))
CONS(mark(z0), z1) → c21(CONS(z0, z1))
CONS(ok(z0), ok(z1)) → c22(CONS(z0, z1))
RECIP(mark(z0)) → c23(RECIP(z0))
RECIP(ok(z0)) → c24(RECIP(z0))
SQR(mark(z0)) → c25(SQR(z0))
SQR(ok(z0)) → c26(SQR(z0))
S(mark(z0)) → c27(S(z0))
S(ok(z0)) → c28(S(z0))
ADD(mark(z0), z1) → c29(ADD(z0, z1))
ADD(z0, mark(z1)) → c30(ADD(z0, z1))
ADD(ok(z0), ok(z1)) → c31(ADD(z0, z1))
DBL(mark(z0)) → c32(DBL(z0))
DBL(ok(z0)) → c33(DBL(z0))
FIRST(mark(z0), z1) → c34(FIRST(z0, z1))
FIRST(z0, mark(z1)) → c35(FIRST(z0, z1))
FIRST(ok(z0), ok(z1)) → c36(FIRST(z0, z1))
PROPER(s(z0)) → c41(S(proper(z0)), PROPER(z0))
PROPER(add(z0, z1)) → c43(ADD(proper(z0), proper(z1)), PROPER(z0), PROPER(z1))
PROPER(dbl(z0)) → c44(DBL(proper(z0)), PROPER(z0))
PROPER(first(z0, z1)) → c45(FIRST(proper(z0), proper(z1)), PROPER(z0), PROPER(z1))
TOP(mark(z0)) → c47(TOP(proper(z0)), PROPER(z0))
TOP(ok(z0)) → c48(TOP(active(z0)), ACTIVE(z0))
ACTIVE(dbl(s(z0))) → c4(DBL(z0))
ACTIVE(add(s(z0), z1)) → c6(ADD(z0, z1))
ACTIVE(first(s(z0), cons(z1, z2))) → c1(CONS(z1, first(z0, z2)))
ACTIVE(first(s(z0), cons(z1, z2))) → c1(FIRST(z0, z2))
ACTIVE(terms(z0)) → c1(SQR(z0))
ACTIVE(terms(z0)) → c1(S(z0))
ACTIVE(sqr(s(z0))) → c1(SQR(z0))
ACTIVE(sqr(s(z0))) → c1(DBL(z0))
ACTIVE(terms(terms(z0))) → c9(TERMS(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(terms(sqr(s(z0)))) → c9(TERMS(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(terms(dbl(s(z0)))) → c9(TERMS(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(terms(add(0, z0))) → c9(TERMS(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(terms(add(s(z0), z1))) → c9(TERMS(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(terms(first(0, z0))) → c9(TERMS(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(terms(first(s(z0), cons(z1, z2)))) → c9(TERMS(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(terms(terms(z0))) → c9(TERMS(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(terms(cons(z0, z1))) → c9(TERMS(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(terms(recip(z0))) → c9(TERMS(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(terms(sqr(z0))) → c9(TERMS(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(terms(s(z0))) → c9(TERMS(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(terms(add(z0, z1))) → c9(TERMS(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(terms(add(z0, z1))) → c9(TERMS(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(terms(dbl(z0))) → c9(TERMS(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(terms(first(z0, z1))) → c9(TERMS(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(terms(first(z0, z1))) → c9(TERMS(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(cons(terms(z0), x1)) → c10(CONS(mark(cons(recip(sqr(z0)), terms(s(z0)))), x1), ACTIVE(terms(z0)))
ACTIVE(cons(sqr(s(z0)), x1)) → c10(CONS(mark(s(add(sqr(z0), dbl(z0)))), x1), ACTIVE(sqr(s(z0))))
ACTIVE(cons(dbl(s(z0)), x1)) → c10(CONS(mark(s(s(dbl(z0)))), x1), ACTIVE(dbl(s(z0))))
ACTIVE(cons(add(0, z0), x1)) → c10(CONS(mark(z0), x1), ACTIVE(add(0, z0)))
ACTIVE(cons(add(s(z0), z1), x1)) → c10(CONS(mark(s(add(z0, z1))), x1), ACTIVE(add(s(z0), z1)))
ACTIVE(cons(first(0, z0), x1)) → c10(CONS(mark(nil), x1), ACTIVE(first(0, z0)))
ACTIVE(cons(first(s(z0), cons(z1, z2)), x1)) → c10(CONS(mark(cons(z1, first(z0, z2))), x1), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(cons(terms(z0), x1)) → c10(CONS(terms(active(z0)), x1), ACTIVE(terms(z0)))
ACTIVE(cons(cons(z0, z1), x1)) → c10(CONS(cons(active(z0), z1), x1), ACTIVE(cons(z0, z1)))
ACTIVE(cons(recip(z0), x1)) → c10(CONS(recip(active(z0)), x1), ACTIVE(recip(z0)))
ACTIVE(cons(sqr(z0), x1)) → c10(CONS(sqr(active(z0)), x1), ACTIVE(sqr(z0)))
ACTIVE(cons(s(z0), x1)) → c10(CONS(s(active(z0)), x1), ACTIVE(s(z0)))
ACTIVE(cons(add(z0, z1), x1)) → c10(CONS(add(active(z0), z1), x1), ACTIVE(add(z0, z1)))
ACTIVE(cons(add(z0, z1), x1)) → c10(CONS(add(z0, active(z1)), x1), ACTIVE(add(z0, z1)))
ACTIVE(cons(dbl(z0), x1)) → c10(CONS(dbl(active(z0)), x1), ACTIVE(dbl(z0)))
ACTIVE(cons(first(z0, z1), x1)) → c10(CONS(first(active(z0), z1), x1), ACTIVE(first(z0, z1)))
ACTIVE(cons(first(z0, z1), x1)) → c10(CONS(first(z0, active(z1)), x1), ACTIVE(first(z0, z1)))
ACTIVE(recip(terms(z0))) → c11(RECIP(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(recip(sqr(s(z0)))) → c11(RECIP(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(recip(dbl(s(z0)))) → c11(RECIP(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(recip(add(0, z0))) → c11(RECIP(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(recip(add(s(z0), z1))) → c11(RECIP(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(recip(first(0, z0))) → c11(RECIP(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(recip(first(s(z0), cons(z1, z2)))) → c11(RECIP(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(recip(terms(z0))) → c11(RECIP(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(recip(cons(z0, z1))) → c11(RECIP(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(recip(recip(z0))) → c11(RECIP(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(recip(sqr(z0))) → c11(RECIP(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(recip(s(z0))) → c11(RECIP(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(recip(add(z0, z1))) → c11(RECIP(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(recip(add(z0, z1))) → c11(RECIP(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(recip(dbl(z0))) → c11(RECIP(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(recip(first(z0, z1))) → c11(RECIP(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(recip(first(z0, z1))) → c11(RECIP(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(sqr(terms(z0))) → c12(SQR(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(sqr(sqr(s(z0)))) → c12(SQR(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(sqr(dbl(s(z0)))) → c12(SQR(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(sqr(add(0, z0))) → c12(SQR(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(sqr(add(s(z0), z1))) → c12(SQR(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(sqr(first(0, z0))) → c12(SQR(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(sqr(first(s(z0), cons(z1, z2)))) → c12(SQR(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(sqr(terms(z0))) → c12(SQR(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(sqr(cons(z0, z1))) → c12(SQR(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(sqr(recip(z0))) → c12(SQR(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(sqr(sqr(z0))) → c12(SQR(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(sqr(s(z0))) → c12(SQR(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(sqr(add(z0, z1))) → c12(SQR(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(sqr(add(z0, z1))) → c12(SQR(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(sqr(dbl(z0))) → c12(SQR(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(sqr(first(z0, z1))) → c12(SQR(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(sqr(first(z0, z1))) → c12(SQR(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(terms(sqr(0))) → c9(TERMS(mark(0)))
ACTIVE(cons(sqr(0), x1)) → c10(CONS(mark(0), x1))
ACTIVE(recip(sqr(0))) → c11(RECIP(mark(0)))
ACTIVE(sqr(sqr(0))) → c12(SQR(mark(0)))
ACTIVE(s(terms(z0))) → c13(S(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(s(sqr(s(z0)))) → c13(S(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(s(dbl(s(z0)))) → c13(S(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(s(add(0, z0))) → c13(S(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(s(add(s(z0), z1))) → c13(S(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(s(first(0, z0))) → c13(S(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(s(first(s(z0), cons(z1, z2)))) → c13(S(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(s(terms(z0))) → c13(S(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(s(cons(z0, z1))) → c13(S(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(s(recip(z0))) → c13(S(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(s(sqr(z0))) → c13(S(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(s(s(z0))) → c13(S(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(s(add(z0, z1))) → c13(S(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(s(add(z0, z1))) → c13(S(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(s(dbl(z0))) → c13(S(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(s(first(z0, z1))) → c13(S(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(s(first(z0, z1))) → c13(S(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(s(sqr(0))) → c13(S(mark(0)))
ACTIVE(dbl(terms(z0))) → c16(DBL(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(dbl(sqr(s(z0)))) → c16(DBL(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(dbl(dbl(s(z0)))) → c16(DBL(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(dbl(add(0, z0))) → c16(DBL(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(dbl(add(s(z0), z1))) → c16(DBL(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(dbl(first(0, z0))) → c16(DBL(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(dbl(first(s(z0), cons(z1, z2)))) → c16(DBL(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(dbl(terms(z0))) → c16(DBL(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(dbl(cons(z0, z1))) → c16(DBL(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(dbl(recip(z0))) → c16(DBL(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(dbl(sqr(z0))) → c16(DBL(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(dbl(s(z0))) → c16(DBL(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(dbl(add(z0, z1))) → c16(DBL(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(dbl(add(z0, z1))) → c16(DBL(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(dbl(dbl(z0))) → c16(DBL(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(dbl(first(z0, z1))) → c16(DBL(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(dbl(first(z0, z1))) → c16(DBL(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(terms(dbl(0))) → c9(TERMS(mark(0)))
ACTIVE(cons(dbl(0), x1)) → c10(CONS(mark(0), x1))
ACTIVE(recip(dbl(0))) → c11(RECIP(mark(0)))
ACTIVE(sqr(dbl(0))) → c12(SQR(mark(0)))
ACTIVE(s(dbl(0))) → c13(S(mark(0)))
ACTIVE(dbl(sqr(0))) → c16(DBL(mark(0)))
ACTIVE(dbl(dbl(0))) → c16(DBL(mark(0)))
PROPER(terms(terms(z0))) → c37(TERMS(terms(proper(z0))), PROPER(terms(z0)))
PROPER(terms(cons(z0, z1))) → c37(TERMS(cons(proper(z0), proper(z1))), PROPER(cons(z0, z1)))
PROPER(terms(recip(z0))) → c37(TERMS(recip(proper(z0))), PROPER(recip(z0)))
PROPER(terms(sqr(z0))) → c37(TERMS(sqr(proper(z0))), PROPER(sqr(z0)))
PROPER(terms(s(z0))) → c37(TERMS(s(proper(z0))), PROPER(s(z0)))
PROPER(terms(add(z0, z1))) → c37(TERMS(add(proper(z0), proper(z1))), PROPER(add(z0, z1)))
PROPER(terms(dbl(z0))) → c37(TERMS(dbl(proper(z0))), PROPER(dbl(z0)))
PROPER(terms(first(z0, z1))) → c37(TERMS(first(proper(z0), proper(z1))), PROPER(first(z0, z1)))
PROPER(terms(0)) → c37(TERMS(ok(0)))
PROPER(terms(nil)) → c37(TERMS(ok(nil)))
PROPER(cons(x0, terms(z0))) → c38(CONS(proper(x0), terms(proper(z0))), PROPER(x0), PROPER(terms(z0)))
PROPER(cons(x0, cons(z0, z1))) → c38(CONS(proper(x0), cons(proper(z0), proper(z1))), PROPER(x0), PROPER(cons(z0, z1)))
PROPER(cons(x0, recip(z0))) → c38(CONS(proper(x0), recip(proper(z0))), PROPER(x0), PROPER(recip(z0)))
PROPER(cons(x0, sqr(z0))) → c38(CONS(proper(x0), sqr(proper(z0))), PROPER(x0), PROPER(sqr(z0)))
PROPER(cons(x0, s(z0))) → c38(CONS(proper(x0), s(proper(z0))), PROPER(x0), PROPER(s(z0)))
PROPER(cons(x0, add(z0, z1))) → c38(CONS(proper(x0), add(proper(z0), proper(z1))), PROPER(x0), PROPER(add(z0, z1)))
PROPER(cons(x0, dbl(z0))) → c38(CONS(proper(x0), dbl(proper(z0))), PROPER(x0), PROPER(dbl(z0)))
PROPER(cons(x0, first(z0, z1))) → c38(CONS(proper(x0), first(proper(z0), proper(z1))), PROPER(x0), PROPER(first(z0, z1)))
PROPER(cons(terms(z0), x1)) → c38(CONS(terms(proper(z0)), proper(x1)), PROPER(terms(z0)), PROPER(x1))
PROPER(cons(cons(z0, z1), x1)) → c38(CONS(cons(proper(z0), proper(z1)), proper(x1)), PROPER(cons(z0, z1)), PROPER(x1))
PROPER(cons(recip(z0), x1)) → c38(CONS(recip(proper(z0)), proper(x1)), PROPER(recip(z0)), PROPER(x1))
PROPER(cons(sqr(z0), x1)) → c38(CONS(sqr(proper(z0)), proper(x1)), PROPER(sqr(z0)), PROPER(x1))
PROPER(cons(s(z0), x1)) → c38(CONS(s(proper(z0)), proper(x1)), PROPER(s(z0)), PROPER(x1))
PROPER(cons(add(z0, z1), x1)) → c38(CONS(add(proper(z0), proper(z1)), proper(x1)), PROPER(add(z0, z1)), PROPER(x1))
PROPER(cons(dbl(z0), x1)) → c38(CONS(dbl(proper(z0)), proper(x1)), PROPER(dbl(z0)), PROPER(x1))
PROPER(cons(first(z0, z1), x1)) → c38(CONS(first(proper(z0), proper(z1)), proper(x1)), PROPER(first(z0, z1)), PROPER(x1))
PROPER(cons(x0, 0)) → c38(CONS(proper(x0), ok(0)), PROPER(x0))
PROPER(cons(x0, nil)) → c38(CONS(proper(x0), ok(nil)), PROPER(x0))
PROPER(cons(0, x1)) → c38(CONS(ok(0), proper(x1)), PROPER(x1))
PROPER(cons(nil, x1)) → c38(CONS(ok(nil), proper(x1)), PROPER(x1))
PROPER(recip(terms(z0))) → c39(RECIP(terms(proper(z0))), PROPER(terms(z0)))
PROPER(recip(cons(z0, z1))) → c39(RECIP(cons(proper(z0), proper(z1))), PROPER(cons(z0, z1)))
PROPER(recip(recip(z0))) → c39(RECIP(recip(proper(z0))), PROPER(recip(z0)))
PROPER(recip(sqr(z0))) → c39(RECIP(sqr(proper(z0))), PROPER(sqr(z0)))
PROPER(recip(s(z0))) → c39(RECIP(s(proper(z0))), PROPER(s(z0)))
PROPER(recip(add(z0, z1))) → c39(RECIP(add(proper(z0), proper(z1))), PROPER(add(z0, z1)))
PROPER(recip(dbl(z0))) → c39(RECIP(dbl(proper(z0))), PROPER(dbl(z0)))
PROPER(recip(first(z0, z1))) → c39(RECIP(first(proper(z0), proper(z1))), PROPER(first(z0, z1)))
PROPER(recip(0)) → c39(RECIP(ok(0)))
PROPER(recip(nil)) → c39(RECIP(ok(nil)))
PROPER(sqr(terms(z0))) → c40(SQR(terms(proper(z0))), PROPER(terms(z0)))
PROPER(sqr(cons(z0, z1))) → c40(SQR(cons(proper(z0), proper(z1))), PROPER(cons(z0, z1)))
PROPER(sqr(recip(z0))) → c40(SQR(recip(proper(z0))), PROPER(recip(z0)))
PROPER(sqr(sqr(z0))) → c40(SQR(sqr(proper(z0))), PROPER(sqr(z0)))
PROPER(sqr(s(z0))) → c40(SQR(s(proper(z0))), PROPER(s(z0)))
PROPER(sqr(add(z0, z1))) → c40(SQR(add(proper(z0), proper(z1))), PROPER(add(z0, z1)))
PROPER(sqr(dbl(z0))) → c40(SQR(dbl(proper(z0))), PROPER(dbl(z0)))
PROPER(sqr(first(z0, z1))) → c40(SQR(first(proper(z0), proper(z1))), PROPER(first(z0, z1)))
PROPER(sqr(0)) → c40(SQR(ok(0)))
PROPER(sqr(nil)) → c40(SQR(ok(nil)))
K tuples:none
Defined Rule Symbols:

active, cons, first, terms, recip, sqr, s, add, dbl, proper

Defined Pair Symbols:

ACTIVE, TERMS, CONS, RECIP, SQR, S, ADD, DBL, FIRST, PROPER, TOP

Compound Symbols:

c14, c15, c17, c18, c19, c20, c21, c22, c23, c24, c25, c26, c27, c28, c29, c30, c31, c32, c33, c34, c35, c36, c41, c43, c44, c45, c47, c48, c4, c6, c1, c9, c10, c11, c12, c9, c10, c11, c12, c13, c13, c16, c16, c37, c37, c38, c38, c39, c39, c40, c40

(45) CdtNarrowingProof (BOTH BOUNDS(ID, ID) transformation)

Use narrowing to replace PROPER(s(z0)) → c41(S(proper(z0)), PROPER(z0)) by

PROPER(s(terms(z0))) → c41(S(terms(proper(z0))), PROPER(terms(z0)))
PROPER(s(cons(z0, z1))) → c41(S(cons(proper(z0), proper(z1))), PROPER(cons(z0, z1)))
PROPER(s(recip(z0))) → c41(S(recip(proper(z0))), PROPER(recip(z0)))
PROPER(s(sqr(z0))) → c41(S(sqr(proper(z0))), PROPER(sqr(z0)))
PROPER(s(s(z0))) → c41(S(s(proper(z0))), PROPER(s(z0)))
PROPER(s(0)) → c41(S(ok(0)), PROPER(0))
PROPER(s(add(z0, z1))) → c41(S(add(proper(z0), proper(z1))), PROPER(add(z0, z1)))
PROPER(s(dbl(z0))) → c41(S(dbl(proper(z0))), PROPER(dbl(z0)))
PROPER(s(first(z0, z1))) → c41(S(first(proper(z0), proper(z1))), PROPER(first(z0, z1)))
PROPER(s(nil)) → c41(S(ok(nil)), PROPER(nil))

(46) Obligation:

Complexity Dependency Tuples Problem
Rules:

active(terms(z0)) → mark(cons(recip(sqr(z0)), terms(s(z0))))
active(sqr(0)) → mark(0)
active(sqr(s(z0))) → mark(s(add(sqr(z0), dbl(z0))))
active(dbl(0)) → mark(0)
active(dbl(s(z0))) → mark(s(s(dbl(z0))))
active(add(0, z0)) → mark(z0)
active(add(s(z0), z1)) → mark(s(add(z0, z1)))
active(first(0, z0)) → mark(nil)
active(first(s(z0), cons(z1, z2))) → mark(cons(z1, first(z0, z2)))
active(terms(z0)) → terms(active(z0))
active(cons(z0, z1)) → cons(active(z0), z1)
active(recip(z0)) → recip(active(z0))
active(sqr(z0)) → sqr(active(z0))
active(s(z0)) → s(active(z0))
active(add(z0, z1)) → add(active(z0), z1)
active(add(z0, z1)) → add(z0, active(z1))
active(dbl(z0)) → dbl(active(z0))
active(first(z0, z1)) → first(active(z0), z1)
active(first(z0, z1)) → first(z0, active(z1))
cons(ok(z0), ok(z1)) → ok(cons(z0, z1))
cons(mark(z0), z1) → mark(cons(z0, z1))
first(z0, mark(z1)) → mark(first(z0, z1))
first(mark(z0), z1) → mark(first(z0, z1))
first(ok(z0), ok(z1)) → ok(first(z0, z1))
terms(mark(z0)) → mark(terms(z0))
terms(ok(z0)) → ok(terms(z0))
recip(mark(z0)) → mark(recip(z0))
recip(ok(z0)) → ok(recip(z0))
sqr(mark(z0)) → mark(sqr(z0))
sqr(ok(z0)) → ok(sqr(z0))
s(mark(z0)) → mark(s(z0))
s(ok(z0)) → ok(s(z0))
add(mark(z0), z1) → mark(add(z0, z1))
add(ok(z0), ok(z1)) → ok(add(z0, z1))
add(z0, mark(z1)) → mark(add(z0, z1))
dbl(mark(z0)) → mark(dbl(z0))
dbl(ok(z0)) → ok(dbl(z0))
proper(terms(z0)) → terms(proper(z0))
proper(cons(z0, z1)) → cons(proper(z0), proper(z1))
proper(recip(z0)) → recip(proper(z0))
proper(sqr(z0)) → sqr(proper(z0))
proper(s(z0)) → s(proper(z0))
proper(0) → ok(0)
proper(add(z0, z1)) → add(proper(z0), proper(z1))
proper(dbl(z0)) → dbl(proper(z0))
proper(first(z0, z1)) → first(proper(z0), proper(z1))
proper(nil) → ok(nil)
Tuples:

ACTIVE(add(z0, z1)) → c14(ADD(active(z0), z1), ACTIVE(z0))
ACTIVE(add(z0, z1)) → c15(ADD(z0, active(z1)), ACTIVE(z1))
ACTIVE(first(z0, z1)) → c17(FIRST(active(z0), z1), ACTIVE(z0))
ACTIVE(first(z0, z1)) → c18(FIRST(z0, active(z1)), ACTIVE(z1))
TERMS(mark(z0)) → c19(TERMS(z0))
TERMS(ok(z0)) → c20(TERMS(z0))
CONS(mark(z0), z1) → c21(CONS(z0, z1))
CONS(ok(z0), ok(z1)) → c22(CONS(z0, z1))
RECIP(mark(z0)) → c23(RECIP(z0))
RECIP(ok(z0)) → c24(RECIP(z0))
SQR(mark(z0)) → c25(SQR(z0))
SQR(ok(z0)) → c26(SQR(z0))
S(mark(z0)) → c27(S(z0))
S(ok(z0)) → c28(S(z0))
ADD(mark(z0), z1) → c29(ADD(z0, z1))
ADD(z0, mark(z1)) → c30(ADD(z0, z1))
ADD(ok(z0), ok(z1)) → c31(ADD(z0, z1))
DBL(mark(z0)) → c32(DBL(z0))
DBL(ok(z0)) → c33(DBL(z0))
FIRST(mark(z0), z1) → c34(FIRST(z0, z1))
FIRST(z0, mark(z1)) → c35(FIRST(z0, z1))
FIRST(ok(z0), ok(z1)) → c36(FIRST(z0, z1))
PROPER(add(z0, z1)) → c43(ADD(proper(z0), proper(z1)), PROPER(z0), PROPER(z1))
PROPER(dbl(z0)) → c44(DBL(proper(z0)), PROPER(z0))
PROPER(first(z0, z1)) → c45(FIRST(proper(z0), proper(z1)), PROPER(z0), PROPER(z1))
TOP(mark(z0)) → c47(TOP(proper(z0)), PROPER(z0))
TOP(ok(z0)) → c48(TOP(active(z0)), ACTIVE(z0))
ACTIVE(dbl(s(z0))) → c4(DBL(z0))
ACTIVE(add(s(z0), z1)) → c6(ADD(z0, z1))
ACTIVE(first(s(z0), cons(z1, z2))) → c1(CONS(z1, first(z0, z2)))
ACTIVE(first(s(z0), cons(z1, z2))) → c1(FIRST(z0, z2))
ACTIVE(terms(z0)) → c1(SQR(z0))
ACTIVE(terms(z0)) → c1(S(z0))
ACTIVE(sqr(s(z0))) → c1(SQR(z0))
ACTIVE(sqr(s(z0))) → c1(DBL(z0))
ACTIVE(terms(terms(z0))) → c9(TERMS(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(terms(sqr(s(z0)))) → c9(TERMS(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(terms(dbl(s(z0)))) → c9(TERMS(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(terms(add(0, z0))) → c9(TERMS(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(terms(add(s(z0), z1))) → c9(TERMS(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(terms(first(0, z0))) → c9(TERMS(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(terms(first(s(z0), cons(z1, z2)))) → c9(TERMS(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(terms(terms(z0))) → c9(TERMS(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(terms(cons(z0, z1))) → c9(TERMS(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(terms(recip(z0))) → c9(TERMS(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(terms(sqr(z0))) → c9(TERMS(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(terms(s(z0))) → c9(TERMS(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(terms(add(z0, z1))) → c9(TERMS(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(terms(add(z0, z1))) → c9(TERMS(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(terms(dbl(z0))) → c9(TERMS(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(terms(first(z0, z1))) → c9(TERMS(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(terms(first(z0, z1))) → c9(TERMS(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(cons(terms(z0), x1)) → c10(CONS(mark(cons(recip(sqr(z0)), terms(s(z0)))), x1), ACTIVE(terms(z0)))
ACTIVE(cons(sqr(s(z0)), x1)) → c10(CONS(mark(s(add(sqr(z0), dbl(z0)))), x1), ACTIVE(sqr(s(z0))))
ACTIVE(cons(dbl(s(z0)), x1)) → c10(CONS(mark(s(s(dbl(z0)))), x1), ACTIVE(dbl(s(z0))))
ACTIVE(cons(add(0, z0), x1)) → c10(CONS(mark(z0), x1), ACTIVE(add(0, z0)))
ACTIVE(cons(add(s(z0), z1), x1)) → c10(CONS(mark(s(add(z0, z1))), x1), ACTIVE(add(s(z0), z1)))
ACTIVE(cons(first(0, z0), x1)) → c10(CONS(mark(nil), x1), ACTIVE(first(0, z0)))
ACTIVE(cons(first(s(z0), cons(z1, z2)), x1)) → c10(CONS(mark(cons(z1, first(z0, z2))), x1), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(cons(terms(z0), x1)) → c10(CONS(terms(active(z0)), x1), ACTIVE(terms(z0)))
ACTIVE(cons(cons(z0, z1), x1)) → c10(CONS(cons(active(z0), z1), x1), ACTIVE(cons(z0, z1)))
ACTIVE(cons(recip(z0), x1)) → c10(CONS(recip(active(z0)), x1), ACTIVE(recip(z0)))
ACTIVE(cons(sqr(z0), x1)) → c10(CONS(sqr(active(z0)), x1), ACTIVE(sqr(z0)))
ACTIVE(cons(s(z0), x1)) → c10(CONS(s(active(z0)), x1), ACTIVE(s(z0)))
ACTIVE(cons(add(z0, z1), x1)) → c10(CONS(add(active(z0), z1), x1), ACTIVE(add(z0, z1)))
ACTIVE(cons(add(z0, z1), x1)) → c10(CONS(add(z0, active(z1)), x1), ACTIVE(add(z0, z1)))
ACTIVE(cons(dbl(z0), x1)) → c10(CONS(dbl(active(z0)), x1), ACTIVE(dbl(z0)))
ACTIVE(cons(first(z0, z1), x1)) → c10(CONS(first(active(z0), z1), x1), ACTIVE(first(z0, z1)))
ACTIVE(cons(first(z0, z1), x1)) → c10(CONS(first(z0, active(z1)), x1), ACTIVE(first(z0, z1)))
ACTIVE(recip(terms(z0))) → c11(RECIP(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(recip(sqr(s(z0)))) → c11(RECIP(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(recip(dbl(s(z0)))) → c11(RECIP(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(recip(add(0, z0))) → c11(RECIP(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(recip(add(s(z0), z1))) → c11(RECIP(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(recip(first(0, z0))) → c11(RECIP(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(recip(first(s(z0), cons(z1, z2)))) → c11(RECIP(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(recip(terms(z0))) → c11(RECIP(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(recip(cons(z0, z1))) → c11(RECIP(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(recip(recip(z0))) → c11(RECIP(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(recip(sqr(z0))) → c11(RECIP(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(recip(s(z0))) → c11(RECIP(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(recip(add(z0, z1))) → c11(RECIP(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(recip(add(z0, z1))) → c11(RECIP(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(recip(dbl(z0))) → c11(RECIP(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(recip(first(z0, z1))) → c11(RECIP(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(recip(first(z0, z1))) → c11(RECIP(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(sqr(terms(z0))) → c12(SQR(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(sqr(sqr(s(z0)))) → c12(SQR(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(sqr(dbl(s(z0)))) → c12(SQR(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(sqr(add(0, z0))) → c12(SQR(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(sqr(add(s(z0), z1))) → c12(SQR(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(sqr(first(0, z0))) → c12(SQR(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(sqr(first(s(z0), cons(z1, z2)))) → c12(SQR(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(sqr(terms(z0))) → c12(SQR(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(sqr(cons(z0, z1))) → c12(SQR(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(sqr(recip(z0))) → c12(SQR(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(sqr(sqr(z0))) → c12(SQR(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(sqr(s(z0))) → c12(SQR(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(sqr(add(z0, z1))) → c12(SQR(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(sqr(add(z0, z1))) → c12(SQR(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(sqr(dbl(z0))) → c12(SQR(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(sqr(first(z0, z1))) → c12(SQR(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(sqr(first(z0, z1))) → c12(SQR(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(terms(sqr(0))) → c9(TERMS(mark(0)))
ACTIVE(cons(sqr(0), x1)) → c10(CONS(mark(0), x1))
ACTIVE(recip(sqr(0))) → c11(RECIP(mark(0)))
ACTIVE(sqr(sqr(0))) → c12(SQR(mark(0)))
ACTIVE(s(terms(z0))) → c13(S(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(s(sqr(s(z0)))) → c13(S(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(s(dbl(s(z0)))) → c13(S(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(s(add(0, z0))) → c13(S(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(s(add(s(z0), z1))) → c13(S(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(s(first(0, z0))) → c13(S(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(s(first(s(z0), cons(z1, z2)))) → c13(S(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(s(terms(z0))) → c13(S(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(s(cons(z0, z1))) → c13(S(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(s(recip(z0))) → c13(S(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(s(sqr(z0))) → c13(S(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(s(s(z0))) → c13(S(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(s(add(z0, z1))) → c13(S(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(s(add(z0, z1))) → c13(S(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(s(dbl(z0))) → c13(S(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(s(first(z0, z1))) → c13(S(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(s(first(z0, z1))) → c13(S(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(s(sqr(0))) → c13(S(mark(0)))
ACTIVE(dbl(terms(z0))) → c16(DBL(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(dbl(sqr(s(z0)))) → c16(DBL(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(dbl(dbl(s(z0)))) → c16(DBL(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(dbl(add(0, z0))) → c16(DBL(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(dbl(add(s(z0), z1))) → c16(DBL(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(dbl(first(0, z0))) → c16(DBL(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(dbl(first(s(z0), cons(z1, z2)))) → c16(DBL(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(dbl(terms(z0))) → c16(DBL(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(dbl(cons(z0, z1))) → c16(DBL(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(dbl(recip(z0))) → c16(DBL(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(dbl(sqr(z0))) → c16(DBL(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(dbl(s(z0))) → c16(DBL(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(dbl(add(z0, z1))) → c16(DBL(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(dbl(add(z0, z1))) → c16(DBL(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(dbl(dbl(z0))) → c16(DBL(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(dbl(first(z0, z1))) → c16(DBL(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(dbl(first(z0, z1))) → c16(DBL(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(terms(dbl(0))) → c9(TERMS(mark(0)))
ACTIVE(cons(dbl(0), x1)) → c10(CONS(mark(0), x1))
ACTIVE(recip(dbl(0))) → c11(RECIP(mark(0)))
ACTIVE(sqr(dbl(0))) → c12(SQR(mark(0)))
ACTIVE(s(dbl(0))) → c13(S(mark(0)))
ACTIVE(dbl(sqr(0))) → c16(DBL(mark(0)))
ACTIVE(dbl(dbl(0))) → c16(DBL(mark(0)))
PROPER(terms(terms(z0))) → c37(TERMS(terms(proper(z0))), PROPER(terms(z0)))
PROPER(terms(cons(z0, z1))) → c37(TERMS(cons(proper(z0), proper(z1))), PROPER(cons(z0, z1)))
PROPER(terms(recip(z0))) → c37(TERMS(recip(proper(z0))), PROPER(recip(z0)))
PROPER(terms(sqr(z0))) → c37(TERMS(sqr(proper(z0))), PROPER(sqr(z0)))
PROPER(terms(s(z0))) → c37(TERMS(s(proper(z0))), PROPER(s(z0)))
PROPER(terms(add(z0, z1))) → c37(TERMS(add(proper(z0), proper(z1))), PROPER(add(z0, z1)))
PROPER(terms(dbl(z0))) → c37(TERMS(dbl(proper(z0))), PROPER(dbl(z0)))
PROPER(terms(first(z0, z1))) → c37(TERMS(first(proper(z0), proper(z1))), PROPER(first(z0, z1)))
PROPER(terms(0)) → c37(TERMS(ok(0)))
PROPER(terms(nil)) → c37(TERMS(ok(nil)))
PROPER(cons(x0, terms(z0))) → c38(CONS(proper(x0), terms(proper(z0))), PROPER(x0), PROPER(terms(z0)))
PROPER(cons(x0, cons(z0, z1))) → c38(CONS(proper(x0), cons(proper(z0), proper(z1))), PROPER(x0), PROPER(cons(z0, z1)))
PROPER(cons(x0, recip(z0))) → c38(CONS(proper(x0), recip(proper(z0))), PROPER(x0), PROPER(recip(z0)))
PROPER(cons(x0, sqr(z0))) → c38(CONS(proper(x0), sqr(proper(z0))), PROPER(x0), PROPER(sqr(z0)))
PROPER(cons(x0, s(z0))) → c38(CONS(proper(x0), s(proper(z0))), PROPER(x0), PROPER(s(z0)))
PROPER(cons(x0, add(z0, z1))) → c38(CONS(proper(x0), add(proper(z0), proper(z1))), PROPER(x0), PROPER(add(z0, z1)))
PROPER(cons(x0, dbl(z0))) → c38(CONS(proper(x0), dbl(proper(z0))), PROPER(x0), PROPER(dbl(z0)))
PROPER(cons(x0, first(z0, z1))) → c38(CONS(proper(x0), first(proper(z0), proper(z1))), PROPER(x0), PROPER(first(z0, z1)))
PROPER(cons(terms(z0), x1)) → c38(CONS(terms(proper(z0)), proper(x1)), PROPER(terms(z0)), PROPER(x1))
PROPER(cons(cons(z0, z1), x1)) → c38(CONS(cons(proper(z0), proper(z1)), proper(x1)), PROPER(cons(z0, z1)), PROPER(x1))
PROPER(cons(recip(z0), x1)) → c38(CONS(recip(proper(z0)), proper(x1)), PROPER(recip(z0)), PROPER(x1))
PROPER(cons(sqr(z0), x1)) → c38(CONS(sqr(proper(z0)), proper(x1)), PROPER(sqr(z0)), PROPER(x1))
PROPER(cons(s(z0), x1)) → c38(CONS(s(proper(z0)), proper(x1)), PROPER(s(z0)), PROPER(x1))
PROPER(cons(add(z0, z1), x1)) → c38(CONS(add(proper(z0), proper(z1)), proper(x1)), PROPER(add(z0, z1)), PROPER(x1))
PROPER(cons(dbl(z0), x1)) → c38(CONS(dbl(proper(z0)), proper(x1)), PROPER(dbl(z0)), PROPER(x1))
PROPER(cons(first(z0, z1), x1)) → c38(CONS(first(proper(z0), proper(z1)), proper(x1)), PROPER(first(z0, z1)), PROPER(x1))
PROPER(cons(x0, 0)) → c38(CONS(proper(x0), ok(0)), PROPER(x0))
PROPER(cons(x0, nil)) → c38(CONS(proper(x0), ok(nil)), PROPER(x0))
PROPER(cons(0, x1)) → c38(CONS(ok(0), proper(x1)), PROPER(x1))
PROPER(cons(nil, x1)) → c38(CONS(ok(nil), proper(x1)), PROPER(x1))
PROPER(recip(terms(z0))) → c39(RECIP(terms(proper(z0))), PROPER(terms(z0)))
PROPER(recip(cons(z0, z1))) → c39(RECIP(cons(proper(z0), proper(z1))), PROPER(cons(z0, z1)))
PROPER(recip(recip(z0))) → c39(RECIP(recip(proper(z0))), PROPER(recip(z0)))
PROPER(recip(sqr(z0))) → c39(RECIP(sqr(proper(z0))), PROPER(sqr(z0)))
PROPER(recip(s(z0))) → c39(RECIP(s(proper(z0))), PROPER(s(z0)))
PROPER(recip(add(z0, z1))) → c39(RECIP(add(proper(z0), proper(z1))), PROPER(add(z0, z1)))
PROPER(recip(dbl(z0))) → c39(RECIP(dbl(proper(z0))), PROPER(dbl(z0)))
PROPER(recip(first(z0, z1))) → c39(RECIP(first(proper(z0), proper(z1))), PROPER(first(z0, z1)))
PROPER(recip(0)) → c39(RECIP(ok(0)))
PROPER(recip(nil)) → c39(RECIP(ok(nil)))
PROPER(sqr(terms(z0))) → c40(SQR(terms(proper(z0))), PROPER(terms(z0)))
PROPER(sqr(cons(z0, z1))) → c40(SQR(cons(proper(z0), proper(z1))), PROPER(cons(z0, z1)))
PROPER(sqr(recip(z0))) → c40(SQR(recip(proper(z0))), PROPER(recip(z0)))
PROPER(sqr(sqr(z0))) → c40(SQR(sqr(proper(z0))), PROPER(sqr(z0)))
PROPER(sqr(s(z0))) → c40(SQR(s(proper(z0))), PROPER(s(z0)))
PROPER(sqr(add(z0, z1))) → c40(SQR(add(proper(z0), proper(z1))), PROPER(add(z0, z1)))
PROPER(sqr(dbl(z0))) → c40(SQR(dbl(proper(z0))), PROPER(dbl(z0)))
PROPER(sqr(first(z0, z1))) → c40(SQR(first(proper(z0), proper(z1))), PROPER(first(z0, z1)))
PROPER(sqr(0)) → c40(SQR(ok(0)))
PROPER(sqr(nil)) → c40(SQR(ok(nil)))
PROPER(s(terms(z0))) → c41(S(terms(proper(z0))), PROPER(terms(z0)))
PROPER(s(cons(z0, z1))) → c41(S(cons(proper(z0), proper(z1))), PROPER(cons(z0, z1)))
PROPER(s(recip(z0))) → c41(S(recip(proper(z0))), PROPER(recip(z0)))
PROPER(s(sqr(z0))) → c41(S(sqr(proper(z0))), PROPER(sqr(z0)))
PROPER(s(s(z0))) → c41(S(s(proper(z0))), PROPER(s(z0)))
PROPER(s(0)) → c41(S(ok(0)), PROPER(0))
PROPER(s(add(z0, z1))) → c41(S(add(proper(z0), proper(z1))), PROPER(add(z0, z1)))
PROPER(s(dbl(z0))) → c41(S(dbl(proper(z0))), PROPER(dbl(z0)))
PROPER(s(first(z0, z1))) → c41(S(first(proper(z0), proper(z1))), PROPER(first(z0, z1)))
PROPER(s(nil)) → c41(S(ok(nil)), PROPER(nil))
S tuples:

ACTIVE(add(z0, z1)) → c14(ADD(active(z0), z1), ACTIVE(z0))
ACTIVE(add(z0, z1)) → c15(ADD(z0, active(z1)), ACTIVE(z1))
ACTIVE(first(z0, z1)) → c17(FIRST(active(z0), z1), ACTIVE(z0))
ACTIVE(first(z0, z1)) → c18(FIRST(z0, active(z1)), ACTIVE(z1))
TERMS(mark(z0)) → c19(TERMS(z0))
TERMS(ok(z0)) → c20(TERMS(z0))
CONS(mark(z0), z1) → c21(CONS(z0, z1))
CONS(ok(z0), ok(z1)) → c22(CONS(z0, z1))
RECIP(mark(z0)) → c23(RECIP(z0))
RECIP(ok(z0)) → c24(RECIP(z0))
SQR(mark(z0)) → c25(SQR(z0))
SQR(ok(z0)) → c26(SQR(z0))
S(mark(z0)) → c27(S(z0))
S(ok(z0)) → c28(S(z0))
ADD(mark(z0), z1) → c29(ADD(z0, z1))
ADD(z0, mark(z1)) → c30(ADD(z0, z1))
ADD(ok(z0), ok(z1)) → c31(ADD(z0, z1))
DBL(mark(z0)) → c32(DBL(z0))
DBL(ok(z0)) → c33(DBL(z0))
FIRST(mark(z0), z1) → c34(FIRST(z0, z1))
FIRST(z0, mark(z1)) → c35(FIRST(z0, z1))
FIRST(ok(z0), ok(z1)) → c36(FIRST(z0, z1))
PROPER(add(z0, z1)) → c43(ADD(proper(z0), proper(z1)), PROPER(z0), PROPER(z1))
PROPER(dbl(z0)) → c44(DBL(proper(z0)), PROPER(z0))
PROPER(first(z0, z1)) → c45(FIRST(proper(z0), proper(z1)), PROPER(z0), PROPER(z1))
TOP(mark(z0)) → c47(TOP(proper(z0)), PROPER(z0))
TOP(ok(z0)) → c48(TOP(active(z0)), ACTIVE(z0))
ACTIVE(dbl(s(z0))) → c4(DBL(z0))
ACTIVE(add(s(z0), z1)) → c6(ADD(z0, z1))
ACTIVE(first(s(z0), cons(z1, z2))) → c1(CONS(z1, first(z0, z2)))
ACTIVE(first(s(z0), cons(z1, z2))) → c1(FIRST(z0, z2))
ACTIVE(terms(z0)) → c1(SQR(z0))
ACTIVE(terms(z0)) → c1(S(z0))
ACTIVE(sqr(s(z0))) → c1(SQR(z0))
ACTIVE(sqr(s(z0))) → c1(DBL(z0))
ACTIVE(terms(terms(z0))) → c9(TERMS(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(terms(sqr(s(z0)))) → c9(TERMS(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(terms(dbl(s(z0)))) → c9(TERMS(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(terms(add(0, z0))) → c9(TERMS(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(terms(add(s(z0), z1))) → c9(TERMS(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(terms(first(0, z0))) → c9(TERMS(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(terms(first(s(z0), cons(z1, z2)))) → c9(TERMS(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(terms(terms(z0))) → c9(TERMS(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(terms(cons(z0, z1))) → c9(TERMS(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(terms(recip(z0))) → c9(TERMS(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(terms(sqr(z0))) → c9(TERMS(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(terms(s(z0))) → c9(TERMS(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(terms(add(z0, z1))) → c9(TERMS(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(terms(add(z0, z1))) → c9(TERMS(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(terms(dbl(z0))) → c9(TERMS(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(terms(first(z0, z1))) → c9(TERMS(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(terms(first(z0, z1))) → c9(TERMS(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(cons(terms(z0), x1)) → c10(CONS(mark(cons(recip(sqr(z0)), terms(s(z0)))), x1), ACTIVE(terms(z0)))
ACTIVE(cons(sqr(s(z0)), x1)) → c10(CONS(mark(s(add(sqr(z0), dbl(z0)))), x1), ACTIVE(sqr(s(z0))))
ACTIVE(cons(dbl(s(z0)), x1)) → c10(CONS(mark(s(s(dbl(z0)))), x1), ACTIVE(dbl(s(z0))))
ACTIVE(cons(add(0, z0), x1)) → c10(CONS(mark(z0), x1), ACTIVE(add(0, z0)))
ACTIVE(cons(add(s(z0), z1), x1)) → c10(CONS(mark(s(add(z0, z1))), x1), ACTIVE(add(s(z0), z1)))
ACTIVE(cons(first(0, z0), x1)) → c10(CONS(mark(nil), x1), ACTIVE(first(0, z0)))
ACTIVE(cons(first(s(z0), cons(z1, z2)), x1)) → c10(CONS(mark(cons(z1, first(z0, z2))), x1), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(cons(terms(z0), x1)) → c10(CONS(terms(active(z0)), x1), ACTIVE(terms(z0)))
ACTIVE(cons(cons(z0, z1), x1)) → c10(CONS(cons(active(z0), z1), x1), ACTIVE(cons(z0, z1)))
ACTIVE(cons(recip(z0), x1)) → c10(CONS(recip(active(z0)), x1), ACTIVE(recip(z0)))
ACTIVE(cons(sqr(z0), x1)) → c10(CONS(sqr(active(z0)), x1), ACTIVE(sqr(z0)))
ACTIVE(cons(s(z0), x1)) → c10(CONS(s(active(z0)), x1), ACTIVE(s(z0)))
ACTIVE(cons(add(z0, z1), x1)) → c10(CONS(add(active(z0), z1), x1), ACTIVE(add(z0, z1)))
ACTIVE(cons(add(z0, z1), x1)) → c10(CONS(add(z0, active(z1)), x1), ACTIVE(add(z0, z1)))
ACTIVE(cons(dbl(z0), x1)) → c10(CONS(dbl(active(z0)), x1), ACTIVE(dbl(z0)))
ACTIVE(cons(first(z0, z1), x1)) → c10(CONS(first(active(z0), z1), x1), ACTIVE(first(z0, z1)))
ACTIVE(cons(first(z0, z1), x1)) → c10(CONS(first(z0, active(z1)), x1), ACTIVE(first(z0, z1)))
ACTIVE(recip(terms(z0))) → c11(RECIP(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(recip(sqr(s(z0)))) → c11(RECIP(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(recip(dbl(s(z0)))) → c11(RECIP(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(recip(add(0, z0))) → c11(RECIP(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(recip(add(s(z0), z1))) → c11(RECIP(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(recip(first(0, z0))) → c11(RECIP(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(recip(first(s(z0), cons(z1, z2)))) → c11(RECIP(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(recip(terms(z0))) → c11(RECIP(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(recip(cons(z0, z1))) → c11(RECIP(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(recip(recip(z0))) → c11(RECIP(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(recip(sqr(z0))) → c11(RECIP(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(recip(s(z0))) → c11(RECIP(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(recip(add(z0, z1))) → c11(RECIP(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(recip(add(z0, z1))) → c11(RECIP(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(recip(dbl(z0))) → c11(RECIP(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(recip(first(z0, z1))) → c11(RECIP(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(recip(first(z0, z1))) → c11(RECIP(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(sqr(terms(z0))) → c12(SQR(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(sqr(sqr(s(z0)))) → c12(SQR(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(sqr(dbl(s(z0)))) → c12(SQR(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(sqr(add(0, z0))) → c12(SQR(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(sqr(add(s(z0), z1))) → c12(SQR(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(sqr(first(0, z0))) → c12(SQR(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(sqr(first(s(z0), cons(z1, z2)))) → c12(SQR(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(sqr(terms(z0))) → c12(SQR(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(sqr(cons(z0, z1))) → c12(SQR(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(sqr(recip(z0))) → c12(SQR(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(sqr(sqr(z0))) → c12(SQR(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(sqr(s(z0))) → c12(SQR(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(sqr(add(z0, z1))) → c12(SQR(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(sqr(add(z0, z1))) → c12(SQR(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(sqr(dbl(z0))) → c12(SQR(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(sqr(first(z0, z1))) → c12(SQR(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(sqr(first(z0, z1))) → c12(SQR(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(terms(sqr(0))) → c9(TERMS(mark(0)))
ACTIVE(cons(sqr(0), x1)) → c10(CONS(mark(0), x1))
ACTIVE(recip(sqr(0))) → c11(RECIP(mark(0)))
ACTIVE(sqr(sqr(0))) → c12(SQR(mark(0)))
ACTIVE(s(terms(z0))) → c13(S(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(s(sqr(s(z0)))) → c13(S(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(s(dbl(s(z0)))) → c13(S(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(s(add(0, z0))) → c13(S(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(s(add(s(z0), z1))) → c13(S(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(s(first(0, z0))) → c13(S(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(s(first(s(z0), cons(z1, z2)))) → c13(S(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(s(terms(z0))) → c13(S(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(s(cons(z0, z1))) → c13(S(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(s(recip(z0))) → c13(S(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(s(sqr(z0))) → c13(S(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(s(s(z0))) → c13(S(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(s(add(z0, z1))) → c13(S(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(s(add(z0, z1))) → c13(S(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(s(dbl(z0))) → c13(S(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(s(first(z0, z1))) → c13(S(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(s(first(z0, z1))) → c13(S(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(s(sqr(0))) → c13(S(mark(0)))
ACTIVE(dbl(terms(z0))) → c16(DBL(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(dbl(sqr(s(z0)))) → c16(DBL(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(dbl(dbl(s(z0)))) → c16(DBL(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(dbl(add(0, z0))) → c16(DBL(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(dbl(add(s(z0), z1))) → c16(DBL(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(dbl(first(0, z0))) → c16(DBL(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(dbl(first(s(z0), cons(z1, z2)))) → c16(DBL(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(dbl(terms(z0))) → c16(DBL(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(dbl(cons(z0, z1))) → c16(DBL(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(dbl(recip(z0))) → c16(DBL(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(dbl(sqr(z0))) → c16(DBL(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(dbl(s(z0))) → c16(DBL(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(dbl(add(z0, z1))) → c16(DBL(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(dbl(add(z0, z1))) → c16(DBL(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(dbl(dbl(z0))) → c16(DBL(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(dbl(first(z0, z1))) → c16(DBL(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(dbl(first(z0, z1))) → c16(DBL(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(terms(dbl(0))) → c9(TERMS(mark(0)))
ACTIVE(cons(dbl(0), x1)) → c10(CONS(mark(0), x1))
ACTIVE(recip(dbl(0))) → c11(RECIP(mark(0)))
ACTIVE(sqr(dbl(0))) → c12(SQR(mark(0)))
ACTIVE(s(dbl(0))) → c13(S(mark(0)))
ACTIVE(dbl(sqr(0))) → c16(DBL(mark(0)))
ACTIVE(dbl(dbl(0))) → c16(DBL(mark(0)))
PROPER(terms(terms(z0))) → c37(TERMS(terms(proper(z0))), PROPER(terms(z0)))
PROPER(terms(cons(z0, z1))) → c37(TERMS(cons(proper(z0), proper(z1))), PROPER(cons(z0, z1)))
PROPER(terms(recip(z0))) → c37(TERMS(recip(proper(z0))), PROPER(recip(z0)))
PROPER(terms(sqr(z0))) → c37(TERMS(sqr(proper(z0))), PROPER(sqr(z0)))
PROPER(terms(s(z0))) → c37(TERMS(s(proper(z0))), PROPER(s(z0)))
PROPER(terms(add(z0, z1))) → c37(TERMS(add(proper(z0), proper(z1))), PROPER(add(z0, z1)))
PROPER(terms(dbl(z0))) → c37(TERMS(dbl(proper(z0))), PROPER(dbl(z0)))
PROPER(terms(first(z0, z1))) → c37(TERMS(first(proper(z0), proper(z1))), PROPER(first(z0, z1)))
PROPER(terms(0)) → c37(TERMS(ok(0)))
PROPER(terms(nil)) → c37(TERMS(ok(nil)))
PROPER(cons(x0, terms(z0))) → c38(CONS(proper(x0), terms(proper(z0))), PROPER(x0), PROPER(terms(z0)))
PROPER(cons(x0, cons(z0, z1))) → c38(CONS(proper(x0), cons(proper(z0), proper(z1))), PROPER(x0), PROPER(cons(z0, z1)))
PROPER(cons(x0, recip(z0))) → c38(CONS(proper(x0), recip(proper(z0))), PROPER(x0), PROPER(recip(z0)))
PROPER(cons(x0, sqr(z0))) → c38(CONS(proper(x0), sqr(proper(z0))), PROPER(x0), PROPER(sqr(z0)))
PROPER(cons(x0, s(z0))) → c38(CONS(proper(x0), s(proper(z0))), PROPER(x0), PROPER(s(z0)))
PROPER(cons(x0, add(z0, z1))) → c38(CONS(proper(x0), add(proper(z0), proper(z1))), PROPER(x0), PROPER(add(z0, z1)))
PROPER(cons(x0, dbl(z0))) → c38(CONS(proper(x0), dbl(proper(z0))), PROPER(x0), PROPER(dbl(z0)))
PROPER(cons(x0, first(z0, z1))) → c38(CONS(proper(x0), first(proper(z0), proper(z1))), PROPER(x0), PROPER(first(z0, z1)))
PROPER(cons(terms(z0), x1)) → c38(CONS(terms(proper(z0)), proper(x1)), PROPER(terms(z0)), PROPER(x1))
PROPER(cons(cons(z0, z1), x1)) → c38(CONS(cons(proper(z0), proper(z1)), proper(x1)), PROPER(cons(z0, z1)), PROPER(x1))
PROPER(cons(recip(z0), x1)) → c38(CONS(recip(proper(z0)), proper(x1)), PROPER(recip(z0)), PROPER(x1))
PROPER(cons(sqr(z0), x1)) → c38(CONS(sqr(proper(z0)), proper(x1)), PROPER(sqr(z0)), PROPER(x1))
PROPER(cons(s(z0), x1)) → c38(CONS(s(proper(z0)), proper(x1)), PROPER(s(z0)), PROPER(x1))
PROPER(cons(add(z0, z1), x1)) → c38(CONS(add(proper(z0), proper(z1)), proper(x1)), PROPER(add(z0, z1)), PROPER(x1))
PROPER(cons(dbl(z0), x1)) → c38(CONS(dbl(proper(z0)), proper(x1)), PROPER(dbl(z0)), PROPER(x1))
PROPER(cons(first(z0, z1), x1)) → c38(CONS(first(proper(z0), proper(z1)), proper(x1)), PROPER(first(z0, z1)), PROPER(x1))
PROPER(cons(x0, 0)) → c38(CONS(proper(x0), ok(0)), PROPER(x0))
PROPER(cons(x0, nil)) → c38(CONS(proper(x0), ok(nil)), PROPER(x0))
PROPER(cons(0, x1)) → c38(CONS(ok(0), proper(x1)), PROPER(x1))
PROPER(cons(nil, x1)) → c38(CONS(ok(nil), proper(x1)), PROPER(x1))
PROPER(recip(terms(z0))) → c39(RECIP(terms(proper(z0))), PROPER(terms(z0)))
PROPER(recip(cons(z0, z1))) → c39(RECIP(cons(proper(z0), proper(z1))), PROPER(cons(z0, z1)))
PROPER(recip(recip(z0))) → c39(RECIP(recip(proper(z0))), PROPER(recip(z0)))
PROPER(recip(sqr(z0))) → c39(RECIP(sqr(proper(z0))), PROPER(sqr(z0)))
PROPER(recip(s(z0))) → c39(RECIP(s(proper(z0))), PROPER(s(z0)))
PROPER(recip(add(z0, z1))) → c39(RECIP(add(proper(z0), proper(z1))), PROPER(add(z0, z1)))
PROPER(recip(dbl(z0))) → c39(RECIP(dbl(proper(z0))), PROPER(dbl(z0)))
PROPER(recip(first(z0, z1))) → c39(RECIP(first(proper(z0), proper(z1))), PROPER(first(z0, z1)))
PROPER(recip(0)) → c39(RECIP(ok(0)))
PROPER(recip(nil)) → c39(RECIP(ok(nil)))
PROPER(sqr(terms(z0))) → c40(SQR(terms(proper(z0))), PROPER(terms(z0)))
PROPER(sqr(cons(z0, z1))) → c40(SQR(cons(proper(z0), proper(z1))), PROPER(cons(z0, z1)))
PROPER(sqr(recip(z0))) → c40(SQR(recip(proper(z0))), PROPER(recip(z0)))
PROPER(sqr(sqr(z0))) → c40(SQR(sqr(proper(z0))), PROPER(sqr(z0)))
PROPER(sqr(s(z0))) → c40(SQR(s(proper(z0))), PROPER(s(z0)))
PROPER(sqr(add(z0, z1))) → c40(SQR(add(proper(z0), proper(z1))), PROPER(add(z0, z1)))
PROPER(sqr(dbl(z0))) → c40(SQR(dbl(proper(z0))), PROPER(dbl(z0)))
PROPER(sqr(first(z0, z1))) → c40(SQR(first(proper(z0), proper(z1))), PROPER(first(z0, z1)))
PROPER(sqr(0)) → c40(SQR(ok(0)))
PROPER(sqr(nil)) → c40(SQR(ok(nil)))
PROPER(s(terms(z0))) → c41(S(terms(proper(z0))), PROPER(terms(z0)))
PROPER(s(cons(z0, z1))) → c41(S(cons(proper(z0), proper(z1))), PROPER(cons(z0, z1)))
PROPER(s(recip(z0))) → c41(S(recip(proper(z0))), PROPER(recip(z0)))
PROPER(s(sqr(z0))) → c41(S(sqr(proper(z0))), PROPER(sqr(z0)))
PROPER(s(s(z0))) → c41(S(s(proper(z0))), PROPER(s(z0)))
PROPER(s(0)) → c41(S(ok(0)), PROPER(0))
PROPER(s(add(z0, z1))) → c41(S(add(proper(z0), proper(z1))), PROPER(add(z0, z1)))
PROPER(s(dbl(z0))) → c41(S(dbl(proper(z0))), PROPER(dbl(z0)))
PROPER(s(first(z0, z1))) → c41(S(first(proper(z0), proper(z1))), PROPER(first(z0, z1)))
PROPER(s(nil)) → c41(S(ok(nil)), PROPER(nil))
K tuples:none
Defined Rule Symbols:

active, cons, first, terms, recip, sqr, s, add, dbl, proper

Defined Pair Symbols:

ACTIVE, TERMS, CONS, RECIP, SQR, S, ADD, DBL, FIRST, PROPER, TOP

Compound Symbols:

c14, c15, c17, c18, c19, c20, c21, c22, c23, c24, c25, c26, c27, c28, c29, c30, c31, c32, c33, c34, c35, c36, c43, c44, c45, c47, c48, c4, c6, c1, c9, c10, c11, c12, c9, c10, c11, c12, c13, c13, c16, c16, c37, c37, c38, c38, c39, c39, c40, c40, c41

(47) CdtRhsSimplificationProcessorProof (BOTH BOUNDS(ID, ID) transformation)

Removed 2 trailing tuple parts

(48) Obligation:

Complexity Dependency Tuples Problem
Rules:

active(terms(z0)) → mark(cons(recip(sqr(z0)), terms(s(z0))))
active(sqr(0)) → mark(0)
active(sqr(s(z0))) → mark(s(add(sqr(z0), dbl(z0))))
active(dbl(0)) → mark(0)
active(dbl(s(z0))) → mark(s(s(dbl(z0))))
active(add(0, z0)) → mark(z0)
active(add(s(z0), z1)) → mark(s(add(z0, z1)))
active(first(0, z0)) → mark(nil)
active(first(s(z0), cons(z1, z2))) → mark(cons(z1, first(z0, z2)))
active(terms(z0)) → terms(active(z0))
active(cons(z0, z1)) → cons(active(z0), z1)
active(recip(z0)) → recip(active(z0))
active(sqr(z0)) → sqr(active(z0))
active(s(z0)) → s(active(z0))
active(add(z0, z1)) → add(active(z0), z1)
active(add(z0, z1)) → add(z0, active(z1))
active(dbl(z0)) → dbl(active(z0))
active(first(z0, z1)) → first(active(z0), z1)
active(first(z0, z1)) → first(z0, active(z1))
cons(ok(z0), ok(z1)) → ok(cons(z0, z1))
cons(mark(z0), z1) → mark(cons(z0, z1))
first(z0, mark(z1)) → mark(first(z0, z1))
first(mark(z0), z1) → mark(first(z0, z1))
first(ok(z0), ok(z1)) → ok(first(z0, z1))
terms(mark(z0)) → mark(terms(z0))
terms(ok(z0)) → ok(terms(z0))
recip(mark(z0)) → mark(recip(z0))
recip(ok(z0)) → ok(recip(z0))
sqr(mark(z0)) → mark(sqr(z0))
sqr(ok(z0)) → ok(sqr(z0))
s(mark(z0)) → mark(s(z0))
s(ok(z0)) → ok(s(z0))
add(mark(z0), z1) → mark(add(z0, z1))
add(ok(z0), ok(z1)) → ok(add(z0, z1))
add(z0, mark(z1)) → mark(add(z0, z1))
dbl(mark(z0)) → mark(dbl(z0))
dbl(ok(z0)) → ok(dbl(z0))
proper(terms(z0)) → terms(proper(z0))
proper(cons(z0, z1)) → cons(proper(z0), proper(z1))
proper(recip(z0)) → recip(proper(z0))
proper(sqr(z0)) → sqr(proper(z0))
proper(s(z0)) → s(proper(z0))
proper(0) → ok(0)
proper(add(z0, z1)) → add(proper(z0), proper(z1))
proper(dbl(z0)) → dbl(proper(z0))
proper(first(z0, z1)) → first(proper(z0), proper(z1))
proper(nil) → ok(nil)
Tuples:

ACTIVE(add(z0, z1)) → c14(ADD(active(z0), z1), ACTIVE(z0))
ACTIVE(add(z0, z1)) → c15(ADD(z0, active(z1)), ACTIVE(z1))
ACTIVE(first(z0, z1)) → c17(FIRST(active(z0), z1), ACTIVE(z0))
ACTIVE(first(z0, z1)) → c18(FIRST(z0, active(z1)), ACTIVE(z1))
TERMS(mark(z0)) → c19(TERMS(z0))
TERMS(ok(z0)) → c20(TERMS(z0))
CONS(mark(z0), z1) → c21(CONS(z0, z1))
CONS(ok(z0), ok(z1)) → c22(CONS(z0, z1))
RECIP(mark(z0)) → c23(RECIP(z0))
RECIP(ok(z0)) → c24(RECIP(z0))
SQR(mark(z0)) → c25(SQR(z0))
SQR(ok(z0)) → c26(SQR(z0))
S(mark(z0)) → c27(S(z0))
S(ok(z0)) → c28(S(z0))
ADD(mark(z0), z1) → c29(ADD(z0, z1))
ADD(z0, mark(z1)) → c30(ADD(z0, z1))
ADD(ok(z0), ok(z1)) → c31(ADD(z0, z1))
DBL(mark(z0)) → c32(DBL(z0))
DBL(ok(z0)) → c33(DBL(z0))
FIRST(mark(z0), z1) → c34(FIRST(z0, z1))
FIRST(z0, mark(z1)) → c35(FIRST(z0, z1))
FIRST(ok(z0), ok(z1)) → c36(FIRST(z0, z1))
PROPER(add(z0, z1)) → c43(ADD(proper(z0), proper(z1)), PROPER(z0), PROPER(z1))
PROPER(dbl(z0)) → c44(DBL(proper(z0)), PROPER(z0))
PROPER(first(z0, z1)) → c45(FIRST(proper(z0), proper(z1)), PROPER(z0), PROPER(z1))
TOP(mark(z0)) → c47(TOP(proper(z0)), PROPER(z0))
TOP(ok(z0)) → c48(TOP(active(z0)), ACTIVE(z0))
ACTIVE(dbl(s(z0))) → c4(DBL(z0))
ACTIVE(add(s(z0), z1)) → c6(ADD(z0, z1))
ACTIVE(first(s(z0), cons(z1, z2))) → c1(CONS(z1, first(z0, z2)))
ACTIVE(first(s(z0), cons(z1, z2))) → c1(FIRST(z0, z2))
ACTIVE(terms(z0)) → c1(SQR(z0))
ACTIVE(terms(z0)) → c1(S(z0))
ACTIVE(sqr(s(z0))) → c1(SQR(z0))
ACTIVE(sqr(s(z0))) → c1(DBL(z0))
ACTIVE(terms(terms(z0))) → c9(TERMS(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(terms(sqr(s(z0)))) → c9(TERMS(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(terms(dbl(s(z0)))) → c9(TERMS(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(terms(add(0, z0))) → c9(TERMS(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(terms(add(s(z0), z1))) → c9(TERMS(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(terms(first(0, z0))) → c9(TERMS(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(terms(first(s(z0), cons(z1, z2)))) → c9(TERMS(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(terms(terms(z0))) → c9(TERMS(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(terms(cons(z0, z1))) → c9(TERMS(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(terms(recip(z0))) → c9(TERMS(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(terms(sqr(z0))) → c9(TERMS(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(terms(s(z0))) → c9(TERMS(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(terms(add(z0, z1))) → c9(TERMS(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(terms(add(z0, z1))) → c9(TERMS(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(terms(dbl(z0))) → c9(TERMS(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(terms(first(z0, z1))) → c9(TERMS(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(terms(first(z0, z1))) → c9(TERMS(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(cons(terms(z0), x1)) → c10(CONS(mark(cons(recip(sqr(z0)), terms(s(z0)))), x1), ACTIVE(terms(z0)))
ACTIVE(cons(sqr(s(z0)), x1)) → c10(CONS(mark(s(add(sqr(z0), dbl(z0)))), x1), ACTIVE(sqr(s(z0))))
ACTIVE(cons(dbl(s(z0)), x1)) → c10(CONS(mark(s(s(dbl(z0)))), x1), ACTIVE(dbl(s(z0))))
ACTIVE(cons(add(0, z0), x1)) → c10(CONS(mark(z0), x1), ACTIVE(add(0, z0)))
ACTIVE(cons(add(s(z0), z1), x1)) → c10(CONS(mark(s(add(z0, z1))), x1), ACTIVE(add(s(z0), z1)))
ACTIVE(cons(first(0, z0), x1)) → c10(CONS(mark(nil), x1), ACTIVE(first(0, z0)))
ACTIVE(cons(first(s(z0), cons(z1, z2)), x1)) → c10(CONS(mark(cons(z1, first(z0, z2))), x1), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(cons(terms(z0), x1)) → c10(CONS(terms(active(z0)), x1), ACTIVE(terms(z0)))
ACTIVE(cons(cons(z0, z1), x1)) → c10(CONS(cons(active(z0), z1), x1), ACTIVE(cons(z0, z1)))
ACTIVE(cons(recip(z0), x1)) → c10(CONS(recip(active(z0)), x1), ACTIVE(recip(z0)))
ACTIVE(cons(sqr(z0), x1)) → c10(CONS(sqr(active(z0)), x1), ACTIVE(sqr(z0)))
ACTIVE(cons(s(z0), x1)) → c10(CONS(s(active(z0)), x1), ACTIVE(s(z0)))
ACTIVE(cons(add(z0, z1), x1)) → c10(CONS(add(active(z0), z1), x1), ACTIVE(add(z0, z1)))
ACTIVE(cons(add(z0, z1), x1)) → c10(CONS(add(z0, active(z1)), x1), ACTIVE(add(z0, z1)))
ACTIVE(cons(dbl(z0), x1)) → c10(CONS(dbl(active(z0)), x1), ACTIVE(dbl(z0)))
ACTIVE(cons(first(z0, z1), x1)) → c10(CONS(first(active(z0), z1), x1), ACTIVE(first(z0, z1)))
ACTIVE(cons(first(z0, z1), x1)) → c10(CONS(first(z0, active(z1)), x1), ACTIVE(first(z0, z1)))
ACTIVE(recip(terms(z0))) → c11(RECIP(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(recip(sqr(s(z0)))) → c11(RECIP(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(recip(dbl(s(z0)))) → c11(RECIP(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(recip(add(0, z0))) → c11(RECIP(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(recip(add(s(z0), z1))) → c11(RECIP(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(recip(first(0, z0))) → c11(RECIP(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(recip(first(s(z0), cons(z1, z2)))) → c11(RECIP(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(recip(terms(z0))) → c11(RECIP(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(recip(cons(z0, z1))) → c11(RECIP(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(recip(recip(z0))) → c11(RECIP(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(recip(sqr(z0))) → c11(RECIP(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(recip(s(z0))) → c11(RECIP(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(recip(add(z0, z1))) → c11(RECIP(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(recip(add(z0, z1))) → c11(RECIP(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(recip(dbl(z0))) → c11(RECIP(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(recip(first(z0, z1))) → c11(RECIP(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(recip(first(z0, z1))) → c11(RECIP(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(sqr(terms(z0))) → c12(SQR(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(sqr(sqr(s(z0)))) → c12(SQR(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(sqr(dbl(s(z0)))) → c12(SQR(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(sqr(add(0, z0))) → c12(SQR(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(sqr(add(s(z0), z1))) → c12(SQR(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(sqr(first(0, z0))) → c12(SQR(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(sqr(first(s(z0), cons(z1, z2)))) → c12(SQR(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(sqr(terms(z0))) → c12(SQR(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(sqr(cons(z0, z1))) → c12(SQR(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(sqr(recip(z0))) → c12(SQR(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(sqr(sqr(z0))) → c12(SQR(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(sqr(s(z0))) → c12(SQR(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(sqr(add(z0, z1))) → c12(SQR(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(sqr(add(z0, z1))) → c12(SQR(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(sqr(dbl(z0))) → c12(SQR(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(sqr(first(z0, z1))) → c12(SQR(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(sqr(first(z0, z1))) → c12(SQR(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(terms(sqr(0))) → c9(TERMS(mark(0)))
ACTIVE(cons(sqr(0), x1)) → c10(CONS(mark(0), x1))
ACTIVE(recip(sqr(0))) → c11(RECIP(mark(0)))
ACTIVE(sqr(sqr(0))) → c12(SQR(mark(0)))
ACTIVE(s(terms(z0))) → c13(S(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(s(sqr(s(z0)))) → c13(S(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(s(dbl(s(z0)))) → c13(S(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(s(add(0, z0))) → c13(S(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(s(add(s(z0), z1))) → c13(S(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(s(first(0, z0))) → c13(S(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(s(first(s(z0), cons(z1, z2)))) → c13(S(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(s(terms(z0))) → c13(S(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(s(cons(z0, z1))) → c13(S(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(s(recip(z0))) → c13(S(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(s(sqr(z0))) → c13(S(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(s(s(z0))) → c13(S(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(s(add(z0, z1))) → c13(S(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(s(add(z0, z1))) → c13(S(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(s(dbl(z0))) → c13(S(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(s(first(z0, z1))) → c13(S(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(s(first(z0, z1))) → c13(S(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(s(sqr(0))) → c13(S(mark(0)))
ACTIVE(dbl(terms(z0))) → c16(DBL(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(dbl(sqr(s(z0)))) → c16(DBL(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(dbl(dbl(s(z0)))) → c16(DBL(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(dbl(add(0, z0))) → c16(DBL(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(dbl(add(s(z0), z1))) → c16(DBL(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(dbl(first(0, z0))) → c16(DBL(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(dbl(first(s(z0), cons(z1, z2)))) → c16(DBL(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(dbl(terms(z0))) → c16(DBL(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(dbl(cons(z0, z1))) → c16(DBL(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(dbl(recip(z0))) → c16(DBL(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(dbl(sqr(z0))) → c16(DBL(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(dbl(s(z0))) → c16(DBL(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(dbl(add(z0, z1))) → c16(DBL(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(dbl(add(z0, z1))) → c16(DBL(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(dbl(dbl(z0))) → c16(DBL(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(dbl(first(z0, z1))) → c16(DBL(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(dbl(first(z0, z1))) → c16(DBL(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(terms(dbl(0))) → c9(TERMS(mark(0)))
ACTIVE(cons(dbl(0), x1)) → c10(CONS(mark(0), x1))
ACTIVE(recip(dbl(0))) → c11(RECIP(mark(0)))
ACTIVE(sqr(dbl(0))) → c12(SQR(mark(0)))
ACTIVE(s(dbl(0))) → c13(S(mark(0)))
ACTIVE(dbl(sqr(0))) → c16(DBL(mark(0)))
ACTIVE(dbl(dbl(0))) → c16(DBL(mark(0)))
PROPER(terms(terms(z0))) → c37(TERMS(terms(proper(z0))), PROPER(terms(z0)))
PROPER(terms(cons(z0, z1))) → c37(TERMS(cons(proper(z0), proper(z1))), PROPER(cons(z0, z1)))
PROPER(terms(recip(z0))) → c37(TERMS(recip(proper(z0))), PROPER(recip(z0)))
PROPER(terms(sqr(z0))) → c37(TERMS(sqr(proper(z0))), PROPER(sqr(z0)))
PROPER(terms(s(z0))) → c37(TERMS(s(proper(z0))), PROPER(s(z0)))
PROPER(terms(add(z0, z1))) → c37(TERMS(add(proper(z0), proper(z1))), PROPER(add(z0, z1)))
PROPER(terms(dbl(z0))) → c37(TERMS(dbl(proper(z0))), PROPER(dbl(z0)))
PROPER(terms(first(z0, z1))) → c37(TERMS(first(proper(z0), proper(z1))), PROPER(first(z0, z1)))
PROPER(terms(0)) → c37(TERMS(ok(0)))
PROPER(terms(nil)) → c37(TERMS(ok(nil)))
PROPER(cons(x0, terms(z0))) → c38(CONS(proper(x0), terms(proper(z0))), PROPER(x0), PROPER(terms(z0)))
PROPER(cons(x0, cons(z0, z1))) → c38(CONS(proper(x0), cons(proper(z0), proper(z1))), PROPER(x0), PROPER(cons(z0, z1)))
PROPER(cons(x0, recip(z0))) → c38(CONS(proper(x0), recip(proper(z0))), PROPER(x0), PROPER(recip(z0)))
PROPER(cons(x0, sqr(z0))) → c38(CONS(proper(x0), sqr(proper(z0))), PROPER(x0), PROPER(sqr(z0)))
PROPER(cons(x0, s(z0))) → c38(CONS(proper(x0), s(proper(z0))), PROPER(x0), PROPER(s(z0)))
PROPER(cons(x0, add(z0, z1))) → c38(CONS(proper(x0), add(proper(z0), proper(z1))), PROPER(x0), PROPER(add(z0, z1)))
PROPER(cons(x0, dbl(z0))) → c38(CONS(proper(x0), dbl(proper(z0))), PROPER(x0), PROPER(dbl(z0)))
PROPER(cons(x0, first(z0, z1))) → c38(CONS(proper(x0), first(proper(z0), proper(z1))), PROPER(x0), PROPER(first(z0, z1)))
PROPER(cons(terms(z0), x1)) → c38(CONS(terms(proper(z0)), proper(x1)), PROPER(terms(z0)), PROPER(x1))
PROPER(cons(cons(z0, z1), x1)) → c38(CONS(cons(proper(z0), proper(z1)), proper(x1)), PROPER(cons(z0, z1)), PROPER(x1))
PROPER(cons(recip(z0), x1)) → c38(CONS(recip(proper(z0)), proper(x1)), PROPER(recip(z0)), PROPER(x1))
PROPER(cons(sqr(z0), x1)) → c38(CONS(sqr(proper(z0)), proper(x1)), PROPER(sqr(z0)), PROPER(x1))
PROPER(cons(s(z0), x1)) → c38(CONS(s(proper(z0)), proper(x1)), PROPER(s(z0)), PROPER(x1))
PROPER(cons(add(z0, z1), x1)) → c38(CONS(add(proper(z0), proper(z1)), proper(x1)), PROPER(add(z0, z1)), PROPER(x1))
PROPER(cons(dbl(z0), x1)) → c38(CONS(dbl(proper(z0)), proper(x1)), PROPER(dbl(z0)), PROPER(x1))
PROPER(cons(first(z0, z1), x1)) → c38(CONS(first(proper(z0), proper(z1)), proper(x1)), PROPER(first(z0, z1)), PROPER(x1))
PROPER(cons(x0, 0)) → c38(CONS(proper(x0), ok(0)), PROPER(x0))
PROPER(cons(x0, nil)) → c38(CONS(proper(x0), ok(nil)), PROPER(x0))
PROPER(cons(0, x1)) → c38(CONS(ok(0), proper(x1)), PROPER(x1))
PROPER(cons(nil, x1)) → c38(CONS(ok(nil), proper(x1)), PROPER(x1))
PROPER(recip(terms(z0))) → c39(RECIP(terms(proper(z0))), PROPER(terms(z0)))
PROPER(recip(cons(z0, z1))) → c39(RECIP(cons(proper(z0), proper(z1))), PROPER(cons(z0, z1)))
PROPER(recip(recip(z0))) → c39(RECIP(recip(proper(z0))), PROPER(recip(z0)))
PROPER(recip(sqr(z0))) → c39(RECIP(sqr(proper(z0))), PROPER(sqr(z0)))
PROPER(recip(s(z0))) → c39(RECIP(s(proper(z0))), PROPER(s(z0)))
PROPER(recip(add(z0, z1))) → c39(RECIP(add(proper(z0), proper(z1))), PROPER(add(z0, z1)))
PROPER(recip(dbl(z0))) → c39(RECIP(dbl(proper(z0))), PROPER(dbl(z0)))
PROPER(recip(first(z0, z1))) → c39(RECIP(first(proper(z0), proper(z1))), PROPER(first(z0, z1)))
PROPER(recip(0)) → c39(RECIP(ok(0)))
PROPER(recip(nil)) → c39(RECIP(ok(nil)))
PROPER(sqr(terms(z0))) → c40(SQR(terms(proper(z0))), PROPER(terms(z0)))
PROPER(sqr(cons(z0, z1))) → c40(SQR(cons(proper(z0), proper(z1))), PROPER(cons(z0, z1)))
PROPER(sqr(recip(z0))) → c40(SQR(recip(proper(z0))), PROPER(recip(z0)))
PROPER(sqr(sqr(z0))) → c40(SQR(sqr(proper(z0))), PROPER(sqr(z0)))
PROPER(sqr(s(z0))) → c40(SQR(s(proper(z0))), PROPER(s(z0)))
PROPER(sqr(add(z0, z1))) → c40(SQR(add(proper(z0), proper(z1))), PROPER(add(z0, z1)))
PROPER(sqr(dbl(z0))) → c40(SQR(dbl(proper(z0))), PROPER(dbl(z0)))
PROPER(sqr(first(z0, z1))) → c40(SQR(first(proper(z0), proper(z1))), PROPER(first(z0, z1)))
PROPER(sqr(0)) → c40(SQR(ok(0)))
PROPER(sqr(nil)) → c40(SQR(ok(nil)))
PROPER(s(terms(z0))) → c41(S(terms(proper(z0))), PROPER(terms(z0)))
PROPER(s(cons(z0, z1))) → c41(S(cons(proper(z0), proper(z1))), PROPER(cons(z0, z1)))
PROPER(s(recip(z0))) → c41(S(recip(proper(z0))), PROPER(recip(z0)))
PROPER(s(sqr(z0))) → c41(S(sqr(proper(z0))), PROPER(sqr(z0)))
PROPER(s(s(z0))) → c41(S(s(proper(z0))), PROPER(s(z0)))
PROPER(s(add(z0, z1))) → c41(S(add(proper(z0), proper(z1))), PROPER(add(z0, z1)))
PROPER(s(dbl(z0))) → c41(S(dbl(proper(z0))), PROPER(dbl(z0)))
PROPER(s(first(z0, z1))) → c41(S(first(proper(z0), proper(z1))), PROPER(first(z0, z1)))
PROPER(s(0)) → c41(S(ok(0)))
PROPER(s(nil)) → c41(S(ok(nil)))
S tuples:

ACTIVE(add(z0, z1)) → c14(ADD(active(z0), z1), ACTIVE(z0))
ACTIVE(add(z0, z1)) → c15(ADD(z0, active(z1)), ACTIVE(z1))
ACTIVE(first(z0, z1)) → c17(FIRST(active(z0), z1), ACTIVE(z0))
ACTIVE(first(z0, z1)) → c18(FIRST(z0, active(z1)), ACTIVE(z1))
TERMS(mark(z0)) → c19(TERMS(z0))
TERMS(ok(z0)) → c20(TERMS(z0))
CONS(mark(z0), z1) → c21(CONS(z0, z1))
CONS(ok(z0), ok(z1)) → c22(CONS(z0, z1))
RECIP(mark(z0)) → c23(RECIP(z0))
RECIP(ok(z0)) → c24(RECIP(z0))
SQR(mark(z0)) → c25(SQR(z0))
SQR(ok(z0)) → c26(SQR(z0))
S(mark(z0)) → c27(S(z0))
S(ok(z0)) → c28(S(z0))
ADD(mark(z0), z1) → c29(ADD(z0, z1))
ADD(z0, mark(z1)) → c30(ADD(z0, z1))
ADD(ok(z0), ok(z1)) → c31(ADD(z0, z1))
DBL(mark(z0)) → c32(DBL(z0))
DBL(ok(z0)) → c33(DBL(z0))
FIRST(mark(z0), z1) → c34(FIRST(z0, z1))
FIRST(z0, mark(z1)) → c35(FIRST(z0, z1))
FIRST(ok(z0), ok(z1)) → c36(FIRST(z0, z1))
PROPER(add(z0, z1)) → c43(ADD(proper(z0), proper(z1)), PROPER(z0), PROPER(z1))
PROPER(dbl(z0)) → c44(DBL(proper(z0)), PROPER(z0))
PROPER(first(z0, z1)) → c45(FIRST(proper(z0), proper(z1)), PROPER(z0), PROPER(z1))
TOP(mark(z0)) → c47(TOP(proper(z0)), PROPER(z0))
TOP(ok(z0)) → c48(TOP(active(z0)), ACTIVE(z0))
ACTIVE(dbl(s(z0))) → c4(DBL(z0))
ACTIVE(add(s(z0), z1)) → c6(ADD(z0, z1))
ACTIVE(first(s(z0), cons(z1, z2))) → c1(CONS(z1, first(z0, z2)))
ACTIVE(first(s(z0), cons(z1, z2))) → c1(FIRST(z0, z2))
ACTIVE(terms(z0)) → c1(SQR(z0))
ACTIVE(terms(z0)) → c1(S(z0))
ACTIVE(sqr(s(z0))) → c1(SQR(z0))
ACTIVE(sqr(s(z0))) → c1(DBL(z0))
ACTIVE(terms(terms(z0))) → c9(TERMS(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(terms(sqr(s(z0)))) → c9(TERMS(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(terms(dbl(s(z0)))) → c9(TERMS(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(terms(add(0, z0))) → c9(TERMS(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(terms(add(s(z0), z1))) → c9(TERMS(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(terms(first(0, z0))) → c9(TERMS(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(terms(first(s(z0), cons(z1, z2)))) → c9(TERMS(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(terms(terms(z0))) → c9(TERMS(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(terms(cons(z0, z1))) → c9(TERMS(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(terms(recip(z0))) → c9(TERMS(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(terms(sqr(z0))) → c9(TERMS(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(terms(s(z0))) → c9(TERMS(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(terms(add(z0, z1))) → c9(TERMS(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(terms(add(z0, z1))) → c9(TERMS(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(terms(dbl(z0))) → c9(TERMS(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(terms(first(z0, z1))) → c9(TERMS(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(terms(first(z0, z1))) → c9(TERMS(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(cons(terms(z0), x1)) → c10(CONS(mark(cons(recip(sqr(z0)), terms(s(z0)))), x1), ACTIVE(terms(z0)))
ACTIVE(cons(sqr(s(z0)), x1)) → c10(CONS(mark(s(add(sqr(z0), dbl(z0)))), x1), ACTIVE(sqr(s(z0))))
ACTIVE(cons(dbl(s(z0)), x1)) → c10(CONS(mark(s(s(dbl(z0)))), x1), ACTIVE(dbl(s(z0))))
ACTIVE(cons(add(0, z0), x1)) → c10(CONS(mark(z0), x1), ACTIVE(add(0, z0)))
ACTIVE(cons(add(s(z0), z1), x1)) → c10(CONS(mark(s(add(z0, z1))), x1), ACTIVE(add(s(z0), z1)))
ACTIVE(cons(first(0, z0), x1)) → c10(CONS(mark(nil), x1), ACTIVE(first(0, z0)))
ACTIVE(cons(first(s(z0), cons(z1, z2)), x1)) → c10(CONS(mark(cons(z1, first(z0, z2))), x1), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(cons(terms(z0), x1)) → c10(CONS(terms(active(z0)), x1), ACTIVE(terms(z0)))
ACTIVE(cons(cons(z0, z1), x1)) → c10(CONS(cons(active(z0), z1), x1), ACTIVE(cons(z0, z1)))
ACTIVE(cons(recip(z0), x1)) → c10(CONS(recip(active(z0)), x1), ACTIVE(recip(z0)))
ACTIVE(cons(sqr(z0), x1)) → c10(CONS(sqr(active(z0)), x1), ACTIVE(sqr(z0)))
ACTIVE(cons(s(z0), x1)) → c10(CONS(s(active(z0)), x1), ACTIVE(s(z0)))
ACTIVE(cons(add(z0, z1), x1)) → c10(CONS(add(active(z0), z1), x1), ACTIVE(add(z0, z1)))
ACTIVE(cons(add(z0, z1), x1)) → c10(CONS(add(z0, active(z1)), x1), ACTIVE(add(z0, z1)))
ACTIVE(cons(dbl(z0), x1)) → c10(CONS(dbl(active(z0)), x1), ACTIVE(dbl(z0)))
ACTIVE(cons(first(z0, z1), x1)) → c10(CONS(first(active(z0), z1), x1), ACTIVE(first(z0, z1)))
ACTIVE(cons(first(z0, z1), x1)) → c10(CONS(first(z0, active(z1)), x1), ACTIVE(first(z0, z1)))
ACTIVE(recip(terms(z0))) → c11(RECIP(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(recip(sqr(s(z0)))) → c11(RECIP(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(recip(dbl(s(z0)))) → c11(RECIP(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(recip(add(0, z0))) → c11(RECIP(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(recip(add(s(z0), z1))) → c11(RECIP(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(recip(first(0, z0))) → c11(RECIP(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(recip(first(s(z0), cons(z1, z2)))) → c11(RECIP(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(recip(terms(z0))) → c11(RECIP(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(recip(cons(z0, z1))) → c11(RECIP(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(recip(recip(z0))) → c11(RECIP(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(recip(sqr(z0))) → c11(RECIP(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(recip(s(z0))) → c11(RECIP(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(recip(add(z0, z1))) → c11(RECIP(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(recip(add(z0, z1))) → c11(RECIP(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(recip(dbl(z0))) → c11(RECIP(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(recip(first(z0, z1))) → c11(RECIP(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(recip(first(z0, z1))) → c11(RECIP(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(sqr(terms(z0))) → c12(SQR(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(sqr(sqr(s(z0)))) → c12(SQR(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(sqr(dbl(s(z0)))) → c12(SQR(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(sqr(add(0, z0))) → c12(SQR(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(sqr(add(s(z0), z1))) → c12(SQR(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(sqr(first(0, z0))) → c12(SQR(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(sqr(first(s(z0), cons(z1, z2)))) → c12(SQR(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(sqr(terms(z0))) → c12(SQR(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(sqr(cons(z0, z1))) → c12(SQR(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(sqr(recip(z0))) → c12(SQR(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(sqr(sqr(z0))) → c12(SQR(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(sqr(s(z0))) → c12(SQR(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(sqr(add(z0, z1))) → c12(SQR(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(sqr(add(z0, z1))) → c12(SQR(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(sqr(dbl(z0))) → c12(SQR(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(sqr(first(z0, z1))) → c12(SQR(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(sqr(first(z0, z1))) → c12(SQR(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(terms(sqr(0))) → c9(TERMS(mark(0)))
ACTIVE(cons(sqr(0), x1)) → c10(CONS(mark(0), x1))
ACTIVE(recip(sqr(0))) → c11(RECIP(mark(0)))
ACTIVE(sqr(sqr(0))) → c12(SQR(mark(0)))
ACTIVE(s(terms(z0))) → c13(S(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(s(sqr(s(z0)))) → c13(S(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(s(dbl(s(z0)))) → c13(S(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(s(add(0, z0))) → c13(S(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(s(add(s(z0), z1))) → c13(S(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(s(first(0, z0))) → c13(S(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(s(first(s(z0), cons(z1, z2)))) → c13(S(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(s(terms(z0))) → c13(S(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(s(cons(z0, z1))) → c13(S(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(s(recip(z0))) → c13(S(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(s(sqr(z0))) → c13(S(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(s(s(z0))) → c13(S(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(s(add(z0, z1))) → c13(S(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(s(add(z0, z1))) → c13(S(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(s(dbl(z0))) → c13(S(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(s(first(z0, z1))) → c13(S(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(s(first(z0, z1))) → c13(S(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(s(sqr(0))) → c13(S(mark(0)))
ACTIVE(dbl(terms(z0))) → c16(DBL(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(dbl(sqr(s(z0)))) → c16(DBL(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(dbl(dbl(s(z0)))) → c16(DBL(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(dbl(add(0, z0))) → c16(DBL(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(dbl(add(s(z0), z1))) → c16(DBL(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(dbl(first(0, z0))) → c16(DBL(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(dbl(first(s(z0), cons(z1, z2)))) → c16(DBL(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(dbl(terms(z0))) → c16(DBL(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(dbl(cons(z0, z1))) → c16(DBL(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(dbl(recip(z0))) → c16(DBL(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(dbl(sqr(z0))) → c16(DBL(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(dbl(s(z0))) → c16(DBL(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(dbl(add(z0, z1))) → c16(DBL(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(dbl(add(z0, z1))) → c16(DBL(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(dbl(dbl(z0))) → c16(DBL(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(dbl(first(z0, z1))) → c16(DBL(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(dbl(first(z0, z1))) → c16(DBL(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(terms(dbl(0))) → c9(TERMS(mark(0)))
ACTIVE(cons(dbl(0), x1)) → c10(CONS(mark(0), x1))
ACTIVE(recip(dbl(0))) → c11(RECIP(mark(0)))
ACTIVE(sqr(dbl(0))) → c12(SQR(mark(0)))
ACTIVE(s(dbl(0))) → c13(S(mark(0)))
ACTIVE(dbl(sqr(0))) → c16(DBL(mark(0)))
ACTIVE(dbl(dbl(0))) → c16(DBL(mark(0)))
PROPER(terms(terms(z0))) → c37(TERMS(terms(proper(z0))), PROPER(terms(z0)))
PROPER(terms(cons(z0, z1))) → c37(TERMS(cons(proper(z0), proper(z1))), PROPER(cons(z0, z1)))
PROPER(terms(recip(z0))) → c37(TERMS(recip(proper(z0))), PROPER(recip(z0)))
PROPER(terms(sqr(z0))) → c37(TERMS(sqr(proper(z0))), PROPER(sqr(z0)))
PROPER(terms(s(z0))) → c37(TERMS(s(proper(z0))), PROPER(s(z0)))
PROPER(terms(add(z0, z1))) → c37(TERMS(add(proper(z0), proper(z1))), PROPER(add(z0, z1)))
PROPER(terms(dbl(z0))) → c37(TERMS(dbl(proper(z0))), PROPER(dbl(z0)))
PROPER(terms(first(z0, z1))) → c37(TERMS(first(proper(z0), proper(z1))), PROPER(first(z0, z1)))
PROPER(terms(0)) → c37(TERMS(ok(0)))
PROPER(terms(nil)) → c37(TERMS(ok(nil)))
PROPER(cons(x0, terms(z0))) → c38(CONS(proper(x0), terms(proper(z0))), PROPER(x0), PROPER(terms(z0)))
PROPER(cons(x0, cons(z0, z1))) → c38(CONS(proper(x0), cons(proper(z0), proper(z1))), PROPER(x0), PROPER(cons(z0, z1)))
PROPER(cons(x0, recip(z0))) → c38(CONS(proper(x0), recip(proper(z0))), PROPER(x0), PROPER(recip(z0)))
PROPER(cons(x0, sqr(z0))) → c38(CONS(proper(x0), sqr(proper(z0))), PROPER(x0), PROPER(sqr(z0)))
PROPER(cons(x0, s(z0))) → c38(CONS(proper(x0), s(proper(z0))), PROPER(x0), PROPER(s(z0)))
PROPER(cons(x0, add(z0, z1))) → c38(CONS(proper(x0), add(proper(z0), proper(z1))), PROPER(x0), PROPER(add(z0, z1)))
PROPER(cons(x0, dbl(z0))) → c38(CONS(proper(x0), dbl(proper(z0))), PROPER(x0), PROPER(dbl(z0)))
PROPER(cons(x0, first(z0, z1))) → c38(CONS(proper(x0), first(proper(z0), proper(z1))), PROPER(x0), PROPER(first(z0, z1)))
PROPER(cons(terms(z0), x1)) → c38(CONS(terms(proper(z0)), proper(x1)), PROPER(terms(z0)), PROPER(x1))
PROPER(cons(cons(z0, z1), x1)) → c38(CONS(cons(proper(z0), proper(z1)), proper(x1)), PROPER(cons(z0, z1)), PROPER(x1))
PROPER(cons(recip(z0), x1)) → c38(CONS(recip(proper(z0)), proper(x1)), PROPER(recip(z0)), PROPER(x1))
PROPER(cons(sqr(z0), x1)) → c38(CONS(sqr(proper(z0)), proper(x1)), PROPER(sqr(z0)), PROPER(x1))
PROPER(cons(s(z0), x1)) → c38(CONS(s(proper(z0)), proper(x1)), PROPER(s(z0)), PROPER(x1))
PROPER(cons(add(z0, z1), x1)) → c38(CONS(add(proper(z0), proper(z1)), proper(x1)), PROPER(add(z0, z1)), PROPER(x1))
PROPER(cons(dbl(z0), x1)) → c38(CONS(dbl(proper(z0)), proper(x1)), PROPER(dbl(z0)), PROPER(x1))
PROPER(cons(first(z0, z1), x1)) → c38(CONS(first(proper(z0), proper(z1)), proper(x1)), PROPER(first(z0, z1)), PROPER(x1))
PROPER(cons(x0, 0)) → c38(CONS(proper(x0), ok(0)), PROPER(x0))
PROPER(cons(x0, nil)) → c38(CONS(proper(x0), ok(nil)), PROPER(x0))
PROPER(cons(0, x1)) → c38(CONS(ok(0), proper(x1)), PROPER(x1))
PROPER(cons(nil, x1)) → c38(CONS(ok(nil), proper(x1)), PROPER(x1))
PROPER(recip(terms(z0))) → c39(RECIP(terms(proper(z0))), PROPER(terms(z0)))
PROPER(recip(cons(z0, z1))) → c39(RECIP(cons(proper(z0), proper(z1))), PROPER(cons(z0, z1)))
PROPER(recip(recip(z0))) → c39(RECIP(recip(proper(z0))), PROPER(recip(z0)))
PROPER(recip(sqr(z0))) → c39(RECIP(sqr(proper(z0))), PROPER(sqr(z0)))
PROPER(recip(s(z0))) → c39(RECIP(s(proper(z0))), PROPER(s(z0)))
PROPER(recip(add(z0, z1))) → c39(RECIP(add(proper(z0), proper(z1))), PROPER(add(z0, z1)))
PROPER(recip(dbl(z0))) → c39(RECIP(dbl(proper(z0))), PROPER(dbl(z0)))
PROPER(recip(first(z0, z1))) → c39(RECIP(first(proper(z0), proper(z1))), PROPER(first(z0, z1)))
PROPER(recip(0)) → c39(RECIP(ok(0)))
PROPER(recip(nil)) → c39(RECIP(ok(nil)))
PROPER(sqr(terms(z0))) → c40(SQR(terms(proper(z0))), PROPER(terms(z0)))
PROPER(sqr(cons(z0, z1))) → c40(SQR(cons(proper(z0), proper(z1))), PROPER(cons(z0, z1)))
PROPER(sqr(recip(z0))) → c40(SQR(recip(proper(z0))), PROPER(recip(z0)))
PROPER(sqr(sqr(z0))) → c40(SQR(sqr(proper(z0))), PROPER(sqr(z0)))
PROPER(sqr(s(z0))) → c40(SQR(s(proper(z0))), PROPER(s(z0)))
PROPER(sqr(add(z0, z1))) → c40(SQR(add(proper(z0), proper(z1))), PROPER(add(z0, z1)))
PROPER(sqr(dbl(z0))) → c40(SQR(dbl(proper(z0))), PROPER(dbl(z0)))
PROPER(sqr(first(z0, z1))) → c40(SQR(first(proper(z0), proper(z1))), PROPER(first(z0, z1)))
PROPER(sqr(0)) → c40(SQR(ok(0)))
PROPER(sqr(nil)) → c40(SQR(ok(nil)))
PROPER(s(terms(z0))) → c41(S(terms(proper(z0))), PROPER(terms(z0)))
PROPER(s(cons(z0, z1))) → c41(S(cons(proper(z0), proper(z1))), PROPER(cons(z0, z1)))
PROPER(s(recip(z0))) → c41(S(recip(proper(z0))), PROPER(recip(z0)))
PROPER(s(sqr(z0))) → c41(S(sqr(proper(z0))), PROPER(sqr(z0)))
PROPER(s(s(z0))) → c41(S(s(proper(z0))), PROPER(s(z0)))
PROPER(s(add(z0, z1))) → c41(S(add(proper(z0), proper(z1))), PROPER(add(z0, z1)))
PROPER(s(dbl(z0))) → c41(S(dbl(proper(z0))), PROPER(dbl(z0)))
PROPER(s(first(z0, z1))) → c41(S(first(proper(z0), proper(z1))), PROPER(first(z0, z1)))
PROPER(s(0)) → c41(S(ok(0)))
PROPER(s(nil)) → c41(S(ok(nil)))
K tuples:none
Defined Rule Symbols:

active, cons, first, terms, recip, sqr, s, add, dbl, proper

Defined Pair Symbols:

ACTIVE, TERMS, CONS, RECIP, SQR, S, ADD, DBL, FIRST, PROPER, TOP

Compound Symbols:

c14, c15, c17, c18, c19, c20, c21, c22, c23, c24, c25, c26, c27, c28, c29, c30, c31, c32, c33, c34, c35, c36, c43, c44, c45, c47, c48, c4, c6, c1, c9, c10, c11, c12, c9, c10, c11, c12, c13, c13, c16, c16, c37, c37, c38, c38, c39, c39, c40, c40, c41, c41

(49) CdtNarrowingProof (BOTH BOUNDS(ID, ID) transformation)

Use narrowing to replace PROPER(add(z0, z1)) → c43(ADD(proper(z0), proper(z1)), PROPER(z0), PROPER(z1)) by

PROPER(add(x0, terms(z0))) → c43(ADD(proper(x0), terms(proper(z0))), PROPER(x0), PROPER(terms(z0)))
PROPER(add(x0, cons(z0, z1))) → c43(ADD(proper(x0), cons(proper(z0), proper(z1))), PROPER(x0), PROPER(cons(z0, z1)))
PROPER(add(x0, recip(z0))) → c43(ADD(proper(x0), recip(proper(z0))), PROPER(x0), PROPER(recip(z0)))
PROPER(add(x0, sqr(z0))) → c43(ADD(proper(x0), sqr(proper(z0))), PROPER(x0), PROPER(sqr(z0)))
PROPER(add(x0, s(z0))) → c43(ADD(proper(x0), s(proper(z0))), PROPER(x0), PROPER(s(z0)))
PROPER(add(x0, 0)) → c43(ADD(proper(x0), ok(0)), PROPER(x0), PROPER(0))
PROPER(add(x0, add(z0, z1))) → c43(ADD(proper(x0), add(proper(z0), proper(z1))), PROPER(x0), PROPER(add(z0, z1)))
PROPER(add(x0, dbl(z0))) → c43(ADD(proper(x0), dbl(proper(z0))), PROPER(x0), PROPER(dbl(z0)))
PROPER(add(x0, first(z0, z1))) → c43(ADD(proper(x0), first(proper(z0), proper(z1))), PROPER(x0), PROPER(first(z0, z1)))
PROPER(add(x0, nil)) → c43(ADD(proper(x0), ok(nil)), PROPER(x0), PROPER(nil))
PROPER(add(terms(z0), x1)) → c43(ADD(terms(proper(z0)), proper(x1)), PROPER(terms(z0)), PROPER(x1))
PROPER(add(cons(z0, z1), x1)) → c43(ADD(cons(proper(z0), proper(z1)), proper(x1)), PROPER(cons(z0, z1)), PROPER(x1))
PROPER(add(recip(z0), x1)) → c43(ADD(recip(proper(z0)), proper(x1)), PROPER(recip(z0)), PROPER(x1))
PROPER(add(sqr(z0), x1)) → c43(ADD(sqr(proper(z0)), proper(x1)), PROPER(sqr(z0)), PROPER(x1))
PROPER(add(s(z0), x1)) → c43(ADD(s(proper(z0)), proper(x1)), PROPER(s(z0)), PROPER(x1))
PROPER(add(0, x1)) → c43(ADD(ok(0), proper(x1)), PROPER(0), PROPER(x1))
PROPER(add(add(z0, z1), x1)) → c43(ADD(add(proper(z0), proper(z1)), proper(x1)), PROPER(add(z0, z1)), PROPER(x1))
PROPER(add(dbl(z0), x1)) → c43(ADD(dbl(proper(z0)), proper(x1)), PROPER(dbl(z0)), PROPER(x1))
PROPER(add(first(z0, z1), x1)) → c43(ADD(first(proper(z0), proper(z1)), proper(x1)), PROPER(first(z0, z1)), PROPER(x1))
PROPER(add(nil, x1)) → c43(ADD(ok(nil), proper(x1)), PROPER(nil), PROPER(x1))

(50) Obligation:

Complexity Dependency Tuples Problem
Rules:

active(terms(z0)) → mark(cons(recip(sqr(z0)), terms(s(z0))))
active(sqr(0)) → mark(0)
active(sqr(s(z0))) → mark(s(add(sqr(z0), dbl(z0))))
active(dbl(0)) → mark(0)
active(dbl(s(z0))) → mark(s(s(dbl(z0))))
active(add(0, z0)) → mark(z0)
active(add(s(z0), z1)) → mark(s(add(z0, z1)))
active(first(0, z0)) → mark(nil)
active(first(s(z0), cons(z1, z2))) → mark(cons(z1, first(z0, z2)))
active(terms(z0)) → terms(active(z0))
active(cons(z0, z1)) → cons(active(z0), z1)
active(recip(z0)) → recip(active(z0))
active(sqr(z0)) → sqr(active(z0))
active(s(z0)) → s(active(z0))
active(add(z0, z1)) → add(active(z0), z1)
active(add(z0, z1)) → add(z0, active(z1))
active(dbl(z0)) → dbl(active(z0))
active(first(z0, z1)) → first(active(z0), z1)
active(first(z0, z1)) → first(z0, active(z1))
cons(ok(z0), ok(z1)) → ok(cons(z0, z1))
cons(mark(z0), z1) → mark(cons(z0, z1))
first(z0, mark(z1)) → mark(first(z0, z1))
first(mark(z0), z1) → mark(first(z0, z1))
first(ok(z0), ok(z1)) → ok(first(z0, z1))
terms(mark(z0)) → mark(terms(z0))
terms(ok(z0)) → ok(terms(z0))
recip(mark(z0)) → mark(recip(z0))
recip(ok(z0)) → ok(recip(z0))
sqr(mark(z0)) → mark(sqr(z0))
sqr(ok(z0)) → ok(sqr(z0))
s(mark(z0)) → mark(s(z0))
s(ok(z0)) → ok(s(z0))
add(mark(z0), z1) → mark(add(z0, z1))
add(ok(z0), ok(z1)) → ok(add(z0, z1))
add(z0, mark(z1)) → mark(add(z0, z1))
dbl(mark(z0)) → mark(dbl(z0))
dbl(ok(z0)) → ok(dbl(z0))
proper(terms(z0)) → terms(proper(z0))
proper(cons(z0, z1)) → cons(proper(z0), proper(z1))
proper(recip(z0)) → recip(proper(z0))
proper(sqr(z0)) → sqr(proper(z0))
proper(s(z0)) → s(proper(z0))
proper(0) → ok(0)
proper(add(z0, z1)) → add(proper(z0), proper(z1))
proper(dbl(z0)) → dbl(proper(z0))
proper(first(z0, z1)) → first(proper(z0), proper(z1))
proper(nil) → ok(nil)
Tuples:

ACTIVE(add(z0, z1)) → c14(ADD(active(z0), z1), ACTIVE(z0))
ACTIVE(add(z0, z1)) → c15(ADD(z0, active(z1)), ACTIVE(z1))
ACTIVE(first(z0, z1)) → c17(FIRST(active(z0), z1), ACTIVE(z0))
ACTIVE(first(z0, z1)) → c18(FIRST(z0, active(z1)), ACTIVE(z1))
TERMS(mark(z0)) → c19(TERMS(z0))
TERMS(ok(z0)) → c20(TERMS(z0))
CONS(mark(z0), z1) → c21(CONS(z0, z1))
CONS(ok(z0), ok(z1)) → c22(CONS(z0, z1))
RECIP(mark(z0)) → c23(RECIP(z0))
RECIP(ok(z0)) → c24(RECIP(z0))
SQR(mark(z0)) → c25(SQR(z0))
SQR(ok(z0)) → c26(SQR(z0))
S(mark(z0)) → c27(S(z0))
S(ok(z0)) → c28(S(z0))
ADD(mark(z0), z1) → c29(ADD(z0, z1))
ADD(z0, mark(z1)) → c30(ADD(z0, z1))
ADD(ok(z0), ok(z1)) → c31(ADD(z0, z1))
DBL(mark(z0)) → c32(DBL(z0))
DBL(ok(z0)) → c33(DBL(z0))
FIRST(mark(z0), z1) → c34(FIRST(z0, z1))
FIRST(z0, mark(z1)) → c35(FIRST(z0, z1))
FIRST(ok(z0), ok(z1)) → c36(FIRST(z0, z1))
PROPER(dbl(z0)) → c44(DBL(proper(z0)), PROPER(z0))
PROPER(first(z0, z1)) → c45(FIRST(proper(z0), proper(z1)), PROPER(z0), PROPER(z1))
TOP(mark(z0)) → c47(TOP(proper(z0)), PROPER(z0))
TOP(ok(z0)) → c48(TOP(active(z0)), ACTIVE(z0))
ACTIVE(dbl(s(z0))) → c4(DBL(z0))
ACTIVE(add(s(z0), z1)) → c6(ADD(z0, z1))
ACTIVE(first(s(z0), cons(z1, z2))) → c1(CONS(z1, first(z0, z2)))
ACTIVE(first(s(z0), cons(z1, z2))) → c1(FIRST(z0, z2))
ACTIVE(terms(z0)) → c1(SQR(z0))
ACTIVE(terms(z0)) → c1(S(z0))
ACTIVE(sqr(s(z0))) → c1(SQR(z0))
ACTIVE(sqr(s(z0))) → c1(DBL(z0))
ACTIVE(terms(terms(z0))) → c9(TERMS(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(terms(sqr(s(z0)))) → c9(TERMS(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(terms(dbl(s(z0)))) → c9(TERMS(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(terms(add(0, z0))) → c9(TERMS(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(terms(add(s(z0), z1))) → c9(TERMS(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(terms(first(0, z0))) → c9(TERMS(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(terms(first(s(z0), cons(z1, z2)))) → c9(TERMS(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(terms(terms(z0))) → c9(TERMS(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(terms(cons(z0, z1))) → c9(TERMS(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(terms(recip(z0))) → c9(TERMS(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(terms(sqr(z0))) → c9(TERMS(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(terms(s(z0))) → c9(TERMS(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(terms(add(z0, z1))) → c9(TERMS(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(terms(add(z0, z1))) → c9(TERMS(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(terms(dbl(z0))) → c9(TERMS(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(terms(first(z0, z1))) → c9(TERMS(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(terms(first(z0, z1))) → c9(TERMS(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(cons(terms(z0), x1)) → c10(CONS(mark(cons(recip(sqr(z0)), terms(s(z0)))), x1), ACTIVE(terms(z0)))
ACTIVE(cons(sqr(s(z0)), x1)) → c10(CONS(mark(s(add(sqr(z0), dbl(z0)))), x1), ACTIVE(sqr(s(z0))))
ACTIVE(cons(dbl(s(z0)), x1)) → c10(CONS(mark(s(s(dbl(z0)))), x1), ACTIVE(dbl(s(z0))))
ACTIVE(cons(add(0, z0), x1)) → c10(CONS(mark(z0), x1), ACTIVE(add(0, z0)))
ACTIVE(cons(add(s(z0), z1), x1)) → c10(CONS(mark(s(add(z0, z1))), x1), ACTIVE(add(s(z0), z1)))
ACTIVE(cons(first(0, z0), x1)) → c10(CONS(mark(nil), x1), ACTIVE(first(0, z0)))
ACTIVE(cons(first(s(z0), cons(z1, z2)), x1)) → c10(CONS(mark(cons(z1, first(z0, z2))), x1), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(cons(terms(z0), x1)) → c10(CONS(terms(active(z0)), x1), ACTIVE(terms(z0)))
ACTIVE(cons(cons(z0, z1), x1)) → c10(CONS(cons(active(z0), z1), x1), ACTIVE(cons(z0, z1)))
ACTIVE(cons(recip(z0), x1)) → c10(CONS(recip(active(z0)), x1), ACTIVE(recip(z0)))
ACTIVE(cons(sqr(z0), x1)) → c10(CONS(sqr(active(z0)), x1), ACTIVE(sqr(z0)))
ACTIVE(cons(s(z0), x1)) → c10(CONS(s(active(z0)), x1), ACTIVE(s(z0)))
ACTIVE(cons(add(z0, z1), x1)) → c10(CONS(add(active(z0), z1), x1), ACTIVE(add(z0, z1)))
ACTIVE(cons(add(z0, z1), x1)) → c10(CONS(add(z0, active(z1)), x1), ACTIVE(add(z0, z1)))
ACTIVE(cons(dbl(z0), x1)) → c10(CONS(dbl(active(z0)), x1), ACTIVE(dbl(z0)))
ACTIVE(cons(first(z0, z1), x1)) → c10(CONS(first(active(z0), z1), x1), ACTIVE(first(z0, z1)))
ACTIVE(cons(first(z0, z1), x1)) → c10(CONS(first(z0, active(z1)), x1), ACTIVE(first(z0, z1)))
ACTIVE(recip(terms(z0))) → c11(RECIP(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(recip(sqr(s(z0)))) → c11(RECIP(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(recip(dbl(s(z0)))) → c11(RECIP(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(recip(add(0, z0))) → c11(RECIP(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(recip(add(s(z0), z1))) → c11(RECIP(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(recip(first(0, z0))) → c11(RECIP(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(recip(first(s(z0), cons(z1, z2)))) → c11(RECIP(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(recip(terms(z0))) → c11(RECIP(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(recip(cons(z0, z1))) → c11(RECIP(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(recip(recip(z0))) → c11(RECIP(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(recip(sqr(z0))) → c11(RECIP(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(recip(s(z0))) → c11(RECIP(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(recip(add(z0, z1))) → c11(RECIP(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(recip(add(z0, z1))) → c11(RECIP(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(recip(dbl(z0))) → c11(RECIP(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(recip(first(z0, z1))) → c11(RECIP(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(recip(first(z0, z1))) → c11(RECIP(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(sqr(terms(z0))) → c12(SQR(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(sqr(sqr(s(z0)))) → c12(SQR(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(sqr(dbl(s(z0)))) → c12(SQR(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(sqr(add(0, z0))) → c12(SQR(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(sqr(add(s(z0), z1))) → c12(SQR(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(sqr(first(0, z0))) → c12(SQR(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(sqr(first(s(z0), cons(z1, z2)))) → c12(SQR(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(sqr(terms(z0))) → c12(SQR(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(sqr(cons(z0, z1))) → c12(SQR(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(sqr(recip(z0))) → c12(SQR(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(sqr(sqr(z0))) → c12(SQR(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(sqr(s(z0))) → c12(SQR(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(sqr(add(z0, z1))) → c12(SQR(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(sqr(add(z0, z1))) → c12(SQR(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(sqr(dbl(z0))) → c12(SQR(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(sqr(first(z0, z1))) → c12(SQR(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(sqr(first(z0, z1))) → c12(SQR(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(terms(sqr(0))) → c9(TERMS(mark(0)))
ACTIVE(cons(sqr(0), x1)) → c10(CONS(mark(0), x1))
ACTIVE(recip(sqr(0))) → c11(RECIP(mark(0)))
ACTIVE(sqr(sqr(0))) → c12(SQR(mark(0)))
ACTIVE(s(terms(z0))) → c13(S(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(s(sqr(s(z0)))) → c13(S(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(s(dbl(s(z0)))) → c13(S(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(s(add(0, z0))) → c13(S(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(s(add(s(z0), z1))) → c13(S(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(s(first(0, z0))) → c13(S(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(s(first(s(z0), cons(z1, z2)))) → c13(S(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(s(terms(z0))) → c13(S(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(s(cons(z0, z1))) → c13(S(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(s(recip(z0))) → c13(S(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(s(sqr(z0))) → c13(S(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(s(s(z0))) → c13(S(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(s(add(z0, z1))) → c13(S(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(s(add(z0, z1))) → c13(S(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(s(dbl(z0))) → c13(S(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(s(first(z0, z1))) → c13(S(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(s(first(z0, z1))) → c13(S(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(s(sqr(0))) → c13(S(mark(0)))
ACTIVE(dbl(terms(z0))) → c16(DBL(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(dbl(sqr(s(z0)))) → c16(DBL(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(dbl(dbl(s(z0)))) → c16(DBL(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(dbl(add(0, z0))) → c16(DBL(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(dbl(add(s(z0), z1))) → c16(DBL(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(dbl(first(0, z0))) → c16(DBL(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(dbl(first(s(z0), cons(z1, z2)))) → c16(DBL(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(dbl(terms(z0))) → c16(DBL(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(dbl(cons(z0, z1))) → c16(DBL(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(dbl(recip(z0))) → c16(DBL(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(dbl(sqr(z0))) → c16(DBL(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(dbl(s(z0))) → c16(DBL(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(dbl(add(z0, z1))) → c16(DBL(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(dbl(add(z0, z1))) → c16(DBL(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(dbl(dbl(z0))) → c16(DBL(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(dbl(first(z0, z1))) → c16(DBL(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(dbl(first(z0, z1))) → c16(DBL(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(terms(dbl(0))) → c9(TERMS(mark(0)))
ACTIVE(cons(dbl(0), x1)) → c10(CONS(mark(0), x1))
ACTIVE(recip(dbl(0))) → c11(RECIP(mark(0)))
ACTIVE(sqr(dbl(0))) → c12(SQR(mark(0)))
ACTIVE(s(dbl(0))) → c13(S(mark(0)))
ACTIVE(dbl(sqr(0))) → c16(DBL(mark(0)))
ACTIVE(dbl(dbl(0))) → c16(DBL(mark(0)))
PROPER(terms(terms(z0))) → c37(TERMS(terms(proper(z0))), PROPER(terms(z0)))
PROPER(terms(cons(z0, z1))) → c37(TERMS(cons(proper(z0), proper(z1))), PROPER(cons(z0, z1)))
PROPER(terms(recip(z0))) → c37(TERMS(recip(proper(z0))), PROPER(recip(z0)))
PROPER(terms(sqr(z0))) → c37(TERMS(sqr(proper(z0))), PROPER(sqr(z0)))
PROPER(terms(s(z0))) → c37(TERMS(s(proper(z0))), PROPER(s(z0)))
PROPER(terms(add(z0, z1))) → c37(TERMS(add(proper(z0), proper(z1))), PROPER(add(z0, z1)))
PROPER(terms(dbl(z0))) → c37(TERMS(dbl(proper(z0))), PROPER(dbl(z0)))
PROPER(terms(first(z0, z1))) → c37(TERMS(first(proper(z0), proper(z1))), PROPER(first(z0, z1)))
PROPER(terms(0)) → c37(TERMS(ok(0)))
PROPER(terms(nil)) → c37(TERMS(ok(nil)))
PROPER(cons(x0, terms(z0))) → c38(CONS(proper(x0), terms(proper(z0))), PROPER(x0), PROPER(terms(z0)))
PROPER(cons(x0, cons(z0, z1))) → c38(CONS(proper(x0), cons(proper(z0), proper(z1))), PROPER(x0), PROPER(cons(z0, z1)))
PROPER(cons(x0, recip(z0))) → c38(CONS(proper(x0), recip(proper(z0))), PROPER(x0), PROPER(recip(z0)))
PROPER(cons(x0, sqr(z0))) → c38(CONS(proper(x0), sqr(proper(z0))), PROPER(x0), PROPER(sqr(z0)))
PROPER(cons(x0, s(z0))) → c38(CONS(proper(x0), s(proper(z0))), PROPER(x0), PROPER(s(z0)))
PROPER(cons(x0, add(z0, z1))) → c38(CONS(proper(x0), add(proper(z0), proper(z1))), PROPER(x0), PROPER(add(z0, z1)))
PROPER(cons(x0, dbl(z0))) → c38(CONS(proper(x0), dbl(proper(z0))), PROPER(x0), PROPER(dbl(z0)))
PROPER(cons(x0, first(z0, z1))) → c38(CONS(proper(x0), first(proper(z0), proper(z1))), PROPER(x0), PROPER(first(z0, z1)))
PROPER(cons(terms(z0), x1)) → c38(CONS(terms(proper(z0)), proper(x1)), PROPER(terms(z0)), PROPER(x1))
PROPER(cons(cons(z0, z1), x1)) → c38(CONS(cons(proper(z0), proper(z1)), proper(x1)), PROPER(cons(z0, z1)), PROPER(x1))
PROPER(cons(recip(z0), x1)) → c38(CONS(recip(proper(z0)), proper(x1)), PROPER(recip(z0)), PROPER(x1))
PROPER(cons(sqr(z0), x1)) → c38(CONS(sqr(proper(z0)), proper(x1)), PROPER(sqr(z0)), PROPER(x1))
PROPER(cons(s(z0), x1)) → c38(CONS(s(proper(z0)), proper(x1)), PROPER(s(z0)), PROPER(x1))
PROPER(cons(add(z0, z1), x1)) → c38(CONS(add(proper(z0), proper(z1)), proper(x1)), PROPER(add(z0, z1)), PROPER(x1))
PROPER(cons(dbl(z0), x1)) → c38(CONS(dbl(proper(z0)), proper(x1)), PROPER(dbl(z0)), PROPER(x1))
PROPER(cons(first(z0, z1), x1)) → c38(CONS(first(proper(z0), proper(z1)), proper(x1)), PROPER(first(z0, z1)), PROPER(x1))
PROPER(cons(x0, 0)) → c38(CONS(proper(x0), ok(0)), PROPER(x0))
PROPER(cons(x0, nil)) → c38(CONS(proper(x0), ok(nil)), PROPER(x0))
PROPER(cons(0, x1)) → c38(CONS(ok(0), proper(x1)), PROPER(x1))
PROPER(cons(nil, x1)) → c38(CONS(ok(nil), proper(x1)), PROPER(x1))
PROPER(recip(terms(z0))) → c39(RECIP(terms(proper(z0))), PROPER(terms(z0)))
PROPER(recip(cons(z0, z1))) → c39(RECIP(cons(proper(z0), proper(z1))), PROPER(cons(z0, z1)))
PROPER(recip(recip(z0))) → c39(RECIP(recip(proper(z0))), PROPER(recip(z0)))
PROPER(recip(sqr(z0))) → c39(RECIP(sqr(proper(z0))), PROPER(sqr(z0)))
PROPER(recip(s(z0))) → c39(RECIP(s(proper(z0))), PROPER(s(z0)))
PROPER(recip(add(z0, z1))) → c39(RECIP(add(proper(z0), proper(z1))), PROPER(add(z0, z1)))
PROPER(recip(dbl(z0))) → c39(RECIP(dbl(proper(z0))), PROPER(dbl(z0)))
PROPER(recip(first(z0, z1))) → c39(RECIP(first(proper(z0), proper(z1))), PROPER(first(z0, z1)))
PROPER(recip(0)) → c39(RECIP(ok(0)))
PROPER(recip(nil)) → c39(RECIP(ok(nil)))
PROPER(sqr(terms(z0))) → c40(SQR(terms(proper(z0))), PROPER(terms(z0)))
PROPER(sqr(cons(z0, z1))) → c40(SQR(cons(proper(z0), proper(z1))), PROPER(cons(z0, z1)))
PROPER(sqr(recip(z0))) → c40(SQR(recip(proper(z0))), PROPER(recip(z0)))
PROPER(sqr(sqr(z0))) → c40(SQR(sqr(proper(z0))), PROPER(sqr(z0)))
PROPER(sqr(s(z0))) → c40(SQR(s(proper(z0))), PROPER(s(z0)))
PROPER(sqr(add(z0, z1))) → c40(SQR(add(proper(z0), proper(z1))), PROPER(add(z0, z1)))
PROPER(sqr(dbl(z0))) → c40(SQR(dbl(proper(z0))), PROPER(dbl(z0)))
PROPER(sqr(first(z0, z1))) → c40(SQR(first(proper(z0), proper(z1))), PROPER(first(z0, z1)))
PROPER(sqr(0)) → c40(SQR(ok(0)))
PROPER(sqr(nil)) → c40(SQR(ok(nil)))
PROPER(s(terms(z0))) → c41(S(terms(proper(z0))), PROPER(terms(z0)))
PROPER(s(cons(z0, z1))) → c41(S(cons(proper(z0), proper(z1))), PROPER(cons(z0, z1)))
PROPER(s(recip(z0))) → c41(S(recip(proper(z0))), PROPER(recip(z0)))
PROPER(s(sqr(z0))) → c41(S(sqr(proper(z0))), PROPER(sqr(z0)))
PROPER(s(s(z0))) → c41(S(s(proper(z0))), PROPER(s(z0)))
PROPER(s(add(z0, z1))) → c41(S(add(proper(z0), proper(z1))), PROPER(add(z0, z1)))
PROPER(s(dbl(z0))) → c41(S(dbl(proper(z0))), PROPER(dbl(z0)))
PROPER(s(first(z0, z1))) → c41(S(first(proper(z0), proper(z1))), PROPER(first(z0, z1)))
PROPER(s(0)) → c41(S(ok(0)))
PROPER(s(nil)) → c41(S(ok(nil)))
PROPER(add(x0, terms(z0))) → c43(ADD(proper(x0), terms(proper(z0))), PROPER(x0), PROPER(terms(z0)))
PROPER(add(x0, cons(z0, z1))) → c43(ADD(proper(x0), cons(proper(z0), proper(z1))), PROPER(x0), PROPER(cons(z0, z1)))
PROPER(add(x0, recip(z0))) → c43(ADD(proper(x0), recip(proper(z0))), PROPER(x0), PROPER(recip(z0)))
PROPER(add(x0, sqr(z0))) → c43(ADD(proper(x0), sqr(proper(z0))), PROPER(x0), PROPER(sqr(z0)))
PROPER(add(x0, s(z0))) → c43(ADD(proper(x0), s(proper(z0))), PROPER(x0), PROPER(s(z0)))
PROPER(add(x0, 0)) → c43(ADD(proper(x0), ok(0)), PROPER(x0), PROPER(0))
PROPER(add(x0, add(z0, z1))) → c43(ADD(proper(x0), add(proper(z0), proper(z1))), PROPER(x0), PROPER(add(z0, z1)))
PROPER(add(x0, dbl(z0))) → c43(ADD(proper(x0), dbl(proper(z0))), PROPER(x0), PROPER(dbl(z0)))
PROPER(add(x0, first(z0, z1))) → c43(ADD(proper(x0), first(proper(z0), proper(z1))), PROPER(x0), PROPER(first(z0, z1)))
PROPER(add(x0, nil)) → c43(ADD(proper(x0), ok(nil)), PROPER(x0), PROPER(nil))
PROPER(add(terms(z0), x1)) → c43(ADD(terms(proper(z0)), proper(x1)), PROPER(terms(z0)), PROPER(x1))
PROPER(add(cons(z0, z1), x1)) → c43(ADD(cons(proper(z0), proper(z1)), proper(x1)), PROPER(cons(z0, z1)), PROPER(x1))
PROPER(add(recip(z0), x1)) → c43(ADD(recip(proper(z0)), proper(x1)), PROPER(recip(z0)), PROPER(x1))
PROPER(add(sqr(z0), x1)) → c43(ADD(sqr(proper(z0)), proper(x1)), PROPER(sqr(z0)), PROPER(x1))
PROPER(add(s(z0), x1)) → c43(ADD(s(proper(z0)), proper(x1)), PROPER(s(z0)), PROPER(x1))
PROPER(add(0, x1)) → c43(ADD(ok(0), proper(x1)), PROPER(0), PROPER(x1))
PROPER(add(add(z0, z1), x1)) → c43(ADD(add(proper(z0), proper(z1)), proper(x1)), PROPER(add(z0, z1)), PROPER(x1))
PROPER(add(dbl(z0), x1)) → c43(ADD(dbl(proper(z0)), proper(x1)), PROPER(dbl(z0)), PROPER(x1))
PROPER(add(first(z0, z1), x1)) → c43(ADD(first(proper(z0), proper(z1)), proper(x1)), PROPER(first(z0, z1)), PROPER(x1))
PROPER(add(nil, x1)) → c43(ADD(ok(nil), proper(x1)), PROPER(nil), PROPER(x1))
S tuples:

ACTIVE(add(z0, z1)) → c14(ADD(active(z0), z1), ACTIVE(z0))
ACTIVE(add(z0, z1)) → c15(ADD(z0, active(z1)), ACTIVE(z1))
ACTIVE(first(z0, z1)) → c17(FIRST(active(z0), z1), ACTIVE(z0))
ACTIVE(first(z0, z1)) → c18(FIRST(z0, active(z1)), ACTIVE(z1))
TERMS(mark(z0)) → c19(TERMS(z0))
TERMS(ok(z0)) → c20(TERMS(z0))
CONS(mark(z0), z1) → c21(CONS(z0, z1))
CONS(ok(z0), ok(z1)) → c22(CONS(z0, z1))
RECIP(mark(z0)) → c23(RECIP(z0))
RECIP(ok(z0)) → c24(RECIP(z0))
SQR(mark(z0)) → c25(SQR(z0))
SQR(ok(z0)) → c26(SQR(z0))
S(mark(z0)) → c27(S(z0))
S(ok(z0)) → c28(S(z0))
ADD(mark(z0), z1) → c29(ADD(z0, z1))
ADD(z0, mark(z1)) → c30(ADD(z0, z1))
ADD(ok(z0), ok(z1)) → c31(ADD(z0, z1))
DBL(mark(z0)) → c32(DBL(z0))
DBL(ok(z0)) → c33(DBL(z0))
FIRST(mark(z0), z1) → c34(FIRST(z0, z1))
FIRST(z0, mark(z1)) → c35(FIRST(z0, z1))
FIRST(ok(z0), ok(z1)) → c36(FIRST(z0, z1))
PROPER(dbl(z0)) → c44(DBL(proper(z0)), PROPER(z0))
PROPER(first(z0, z1)) → c45(FIRST(proper(z0), proper(z1)), PROPER(z0), PROPER(z1))
TOP(mark(z0)) → c47(TOP(proper(z0)), PROPER(z0))
TOP(ok(z0)) → c48(TOP(active(z0)), ACTIVE(z0))
ACTIVE(dbl(s(z0))) → c4(DBL(z0))
ACTIVE(add(s(z0), z1)) → c6(ADD(z0, z1))
ACTIVE(first(s(z0), cons(z1, z2))) → c1(CONS(z1, first(z0, z2)))
ACTIVE(first(s(z0), cons(z1, z2))) → c1(FIRST(z0, z2))
ACTIVE(terms(z0)) → c1(SQR(z0))
ACTIVE(terms(z0)) → c1(S(z0))
ACTIVE(sqr(s(z0))) → c1(SQR(z0))
ACTIVE(sqr(s(z0))) → c1(DBL(z0))
ACTIVE(terms(terms(z0))) → c9(TERMS(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(terms(sqr(s(z0)))) → c9(TERMS(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(terms(dbl(s(z0)))) → c9(TERMS(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(terms(add(0, z0))) → c9(TERMS(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(terms(add(s(z0), z1))) → c9(TERMS(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(terms(first(0, z0))) → c9(TERMS(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(terms(first(s(z0), cons(z1, z2)))) → c9(TERMS(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(terms(terms(z0))) → c9(TERMS(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(terms(cons(z0, z1))) → c9(TERMS(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(terms(recip(z0))) → c9(TERMS(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(terms(sqr(z0))) → c9(TERMS(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(terms(s(z0))) → c9(TERMS(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(terms(add(z0, z1))) → c9(TERMS(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(terms(add(z0, z1))) → c9(TERMS(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(terms(dbl(z0))) → c9(TERMS(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(terms(first(z0, z1))) → c9(TERMS(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(terms(first(z0, z1))) → c9(TERMS(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(cons(terms(z0), x1)) → c10(CONS(mark(cons(recip(sqr(z0)), terms(s(z0)))), x1), ACTIVE(terms(z0)))
ACTIVE(cons(sqr(s(z0)), x1)) → c10(CONS(mark(s(add(sqr(z0), dbl(z0)))), x1), ACTIVE(sqr(s(z0))))
ACTIVE(cons(dbl(s(z0)), x1)) → c10(CONS(mark(s(s(dbl(z0)))), x1), ACTIVE(dbl(s(z0))))
ACTIVE(cons(add(0, z0), x1)) → c10(CONS(mark(z0), x1), ACTIVE(add(0, z0)))
ACTIVE(cons(add(s(z0), z1), x1)) → c10(CONS(mark(s(add(z0, z1))), x1), ACTIVE(add(s(z0), z1)))
ACTIVE(cons(first(0, z0), x1)) → c10(CONS(mark(nil), x1), ACTIVE(first(0, z0)))
ACTIVE(cons(first(s(z0), cons(z1, z2)), x1)) → c10(CONS(mark(cons(z1, first(z0, z2))), x1), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(cons(terms(z0), x1)) → c10(CONS(terms(active(z0)), x1), ACTIVE(terms(z0)))
ACTIVE(cons(cons(z0, z1), x1)) → c10(CONS(cons(active(z0), z1), x1), ACTIVE(cons(z0, z1)))
ACTIVE(cons(recip(z0), x1)) → c10(CONS(recip(active(z0)), x1), ACTIVE(recip(z0)))
ACTIVE(cons(sqr(z0), x1)) → c10(CONS(sqr(active(z0)), x1), ACTIVE(sqr(z0)))
ACTIVE(cons(s(z0), x1)) → c10(CONS(s(active(z0)), x1), ACTIVE(s(z0)))
ACTIVE(cons(add(z0, z1), x1)) → c10(CONS(add(active(z0), z1), x1), ACTIVE(add(z0, z1)))
ACTIVE(cons(add(z0, z1), x1)) → c10(CONS(add(z0, active(z1)), x1), ACTIVE(add(z0, z1)))
ACTIVE(cons(dbl(z0), x1)) → c10(CONS(dbl(active(z0)), x1), ACTIVE(dbl(z0)))
ACTIVE(cons(first(z0, z1), x1)) → c10(CONS(first(active(z0), z1), x1), ACTIVE(first(z0, z1)))
ACTIVE(cons(first(z0, z1), x1)) → c10(CONS(first(z0, active(z1)), x1), ACTIVE(first(z0, z1)))
ACTIVE(recip(terms(z0))) → c11(RECIP(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(recip(sqr(s(z0)))) → c11(RECIP(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(recip(dbl(s(z0)))) → c11(RECIP(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(recip(add(0, z0))) → c11(RECIP(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(recip(add(s(z0), z1))) → c11(RECIP(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(recip(first(0, z0))) → c11(RECIP(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(recip(first(s(z0), cons(z1, z2)))) → c11(RECIP(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(recip(terms(z0))) → c11(RECIP(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(recip(cons(z0, z1))) → c11(RECIP(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(recip(recip(z0))) → c11(RECIP(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(recip(sqr(z0))) → c11(RECIP(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(recip(s(z0))) → c11(RECIP(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(recip(add(z0, z1))) → c11(RECIP(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(recip(add(z0, z1))) → c11(RECIP(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(recip(dbl(z0))) → c11(RECIP(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(recip(first(z0, z1))) → c11(RECIP(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(recip(first(z0, z1))) → c11(RECIP(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(sqr(terms(z0))) → c12(SQR(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(sqr(sqr(s(z0)))) → c12(SQR(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(sqr(dbl(s(z0)))) → c12(SQR(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(sqr(add(0, z0))) → c12(SQR(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(sqr(add(s(z0), z1))) → c12(SQR(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(sqr(first(0, z0))) → c12(SQR(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(sqr(first(s(z0), cons(z1, z2)))) → c12(SQR(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(sqr(terms(z0))) → c12(SQR(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(sqr(cons(z0, z1))) → c12(SQR(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(sqr(recip(z0))) → c12(SQR(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(sqr(sqr(z0))) → c12(SQR(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(sqr(s(z0))) → c12(SQR(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(sqr(add(z0, z1))) → c12(SQR(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(sqr(add(z0, z1))) → c12(SQR(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(sqr(dbl(z0))) → c12(SQR(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(sqr(first(z0, z1))) → c12(SQR(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(sqr(first(z0, z1))) → c12(SQR(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(terms(sqr(0))) → c9(TERMS(mark(0)))
ACTIVE(cons(sqr(0), x1)) → c10(CONS(mark(0), x1))
ACTIVE(recip(sqr(0))) → c11(RECIP(mark(0)))
ACTIVE(sqr(sqr(0))) → c12(SQR(mark(0)))
ACTIVE(s(terms(z0))) → c13(S(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(s(sqr(s(z0)))) → c13(S(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(s(dbl(s(z0)))) → c13(S(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(s(add(0, z0))) → c13(S(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(s(add(s(z0), z1))) → c13(S(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(s(first(0, z0))) → c13(S(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(s(first(s(z0), cons(z1, z2)))) → c13(S(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(s(terms(z0))) → c13(S(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(s(cons(z0, z1))) → c13(S(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(s(recip(z0))) → c13(S(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(s(sqr(z0))) → c13(S(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(s(s(z0))) → c13(S(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(s(add(z0, z1))) → c13(S(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(s(add(z0, z1))) → c13(S(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(s(dbl(z0))) → c13(S(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(s(first(z0, z1))) → c13(S(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(s(first(z0, z1))) → c13(S(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(s(sqr(0))) → c13(S(mark(0)))
ACTIVE(dbl(terms(z0))) → c16(DBL(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(dbl(sqr(s(z0)))) → c16(DBL(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(dbl(dbl(s(z0)))) → c16(DBL(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(dbl(add(0, z0))) → c16(DBL(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(dbl(add(s(z0), z1))) → c16(DBL(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(dbl(first(0, z0))) → c16(DBL(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(dbl(first(s(z0), cons(z1, z2)))) → c16(DBL(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(dbl(terms(z0))) → c16(DBL(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(dbl(cons(z0, z1))) → c16(DBL(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(dbl(recip(z0))) → c16(DBL(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(dbl(sqr(z0))) → c16(DBL(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(dbl(s(z0))) → c16(DBL(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(dbl(add(z0, z1))) → c16(DBL(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(dbl(add(z0, z1))) → c16(DBL(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(dbl(dbl(z0))) → c16(DBL(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(dbl(first(z0, z1))) → c16(DBL(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(dbl(first(z0, z1))) → c16(DBL(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(terms(dbl(0))) → c9(TERMS(mark(0)))
ACTIVE(cons(dbl(0), x1)) → c10(CONS(mark(0), x1))
ACTIVE(recip(dbl(0))) → c11(RECIP(mark(0)))
ACTIVE(sqr(dbl(0))) → c12(SQR(mark(0)))
ACTIVE(s(dbl(0))) → c13(S(mark(0)))
ACTIVE(dbl(sqr(0))) → c16(DBL(mark(0)))
ACTIVE(dbl(dbl(0))) → c16(DBL(mark(0)))
PROPER(terms(terms(z0))) → c37(TERMS(terms(proper(z0))), PROPER(terms(z0)))
PROPER(terms(cons(z0, z1))) → c37(TERMS(cons(proper(z0), proper(z1))), PROPER(cons(z0, z1)))
PROPER(terms(recip(z0))) → c37(TERMS(recip(proper(z0))), PROPER(recip(z0)))
PROPER(terms(sqr(z0))) → c37(TERMS(sqr(proper(z0))), PROPER(sqr(z0)))
PROPER(terms(s(z0))) → c37(TERMS(s(proper(z0))), PROPER(s(z0)))
PROPER(terms(add(z0, z1))) → c37(TERMS(add(proper(z0), proper(z1))), PROPER(add(z0, z1)))
PROPER(terms(dbl(z0))) → c37(TERMS(dbl(proper(z0))), PROPER(dbl(z0)))
PROPER(terms(first(z0, z1))) → c37(TERMS(first(proper(z0), proper(z1))), PROPER(first(z0, z1)))
PROPER(terms(0)) → c37(TERMS(ok(0)))
PROPER(terms(nil)) → c37(TERMS(ok(nil)))
PROPER(cons(x0, terms(z0))) → c38(CONS(proper(x0), terms(proper(z0))), PROPER(x0), PROPER(terms(z0)))
PROPER(cons(x0, cons(z0, z1))) → c38(CONS(proper(x0), cons(proper(z0), proper(z1))), PROPER(x0), PROPER(cons(z0, z1)))
PROPER(cons(x0, recip(z0))) → c38(CONS(proper(x0), recip(proper(z0))), PROPER(x0), PROPER(recip(z0)))
PROPER(cons(x0, sqr(z0))) → c38(CONS(proper(x0), sqr(proper(z0))), PROPER(x0), PROPER(sqr(z0)))
PROPER(cons(x0, s(z0))) → c38(CONS(proper(x0), s(proper(z0))), PROPER(x0), PROPER(s(z0)))
PROPER(cons(x0, add(z0, z1))) → c38(CONS(proper(x0), add(proper(z0), proper(z1))), PROPER(x0), PROPER(add(z0, z1)))
PROPER(cons(x0, dbl(z0))) → c38(CONS(proper(x0), dbl(proper(z0))), PROPER(x0), PROPER(dbl(z0)))
PROPER(cons(x0, first(z0, z1))) → c38(CONS(proper(x0), first(proper(z0), proper(z1))), PROPER(x0), PROPER(first(z0, z1)))
PROPER(cons(terms(z0), x1)) → c38(CONS(terms(proper(z0)), proper(x1)), PROPER(terms(z0)), PROPER(x1))
PROPER(cons(cons(z0, z1), x1)) → c38(CONS(cons(proper(z0), proper(z1)), proper(x1)), PROPER(cons(z0, z1)), PROPER(x1))
PROPER(cons(recip(z0), x1)) → c38(CONS(recip(proper(z0)), proper(x1)), PROPER(recip(z0)), PROPER(x1))
PROPER(cons(sqr(z0), x1)) → c38(CONS(sqr(proper(z0)), proper(x1)), PROPER(sqr(z0)), PROPER(x1))
PROPER(cons(s(z0), x1)) → c38(CONS(s(proper(z0)), proper(x1)), PROPER(s(z0)), PROPER(x1))
PROPER(cons(add(z0, z1), x1)) → c38(CONS(add(proper(z0), proper(z1)), proper(x1)), PROPER(add(z0, z1)), PROPER(x1))
PROPER(cons(dbl(z0), x1)) → c38(CONS(dbl(proper(z0)), proper(x1)), PROPER(dbl(z0)), PROPER(x1))
PROPER(cons(first(z0, z1), x1)) → c38(CONS(first(proper(z0), proper(z1)), proper(x1)), PROPER(first(z0, z1)), PROPER(x1))
PROPER(cons(x0, 0)) → c38(CONS(proper(x0), ok(0)), PROPER(x0))
PROPER(cons(x0, nil)) → c38(CONS(proper(x0), ok(nil)), PROPER(x0))
PROPER(cons(0, x1)) → c38(CONS(ok(0), proper(x1)), PROPER(x1))
PROPER(cons(nil, x1)) → c38(CONS(ok(nil), proper(x1)), PROPER(x1))
PROPER(recip(terms(z0))) → c39(RECIP(terms(proper(z0))), PROPER(terms(z0)))
PROPER(recip(cons(z0, z1))) → c39(RECIP(cons(proper(z0), proper(z1))), PROPER(cons(z0, z1)))
PROPER(recip(recip(z0))) → c39(RECIP(recip(proper(z0))), PROPER(recip(z0)))
PROPER(recip(sqr(z0))) → c39(RECIP(sqr(proper(z0))), PROPER(sqr(z0)))
PROPER(recip(s(z0))) → c39(RECIP(s(proper(z0))), PROPER(s(z0)))
PROPER(recip(add(z0, z1))) → c39(RECIP(add(proper(z0), proper(z1))), PROPER(add(z0, z1)))
PROPER(recip(dbl(z0))) → c39(RECIP(dbl(proper(z0))), PROPER(dbl(z0)))
PROPER(recip(first(z0, z1))) → c39(RECIP(first(proper(z0), proper(z1))), PROPER(first(z0, z1)))
PROPER(recip(0)) → c39(RECIP(ok(0)))
PROPER(recip(nil)) → c39(RECIP(ok(nil)))
PROPER(sqr(terms(z0))) → c40(SQR(terms(proper(z0))), PROPER(terms(z0)))
PROPER(sqr(cons(z0, z1))) → c40(SQR(cons(proper(z0), proper(z1))), PROPER(cons(z0, z1)))
PROPER(sqr(recip(z0))) → c40(SQR(recip(proper(z0))), PROPER(recip(z0)))
PROPER(sqr(sqr(z0))) → c40(SQR(sqr(proper(z0))), PROPER(sqr(z0)))
PROPER(sqr(s(z0))) → c40(SQR(s(proper(z0))), PROPER(s(z0)))
PROPER(sqr(add(z0, z1))) → c40(SQR(add(proper(z0), proper(z1))), PROPER(add(z0, z1)))
PROPER(sqr(dbl(z0))) → c40(SQR(dbl(proper(z0))), PROPER(dbl(z0)))
PROPER(sqr(first(z0, z1))) → c40(SQR(first(proper(z0), proper(z1))), PROPER(first(z0, z1)))
PROPER(sqr(0)) → c40(SQR(ok(0)))
PROPER(sqr(nil)) → c40(SQR(ok(nil)))
PROPER(s(terms(z0))) → c41(S(terms(proper(z0))), PROPER(terms(z0)))
PROPER(s(cons(z0, z1))) → c41(S(cons(proper(z0), proper(z1))), PROPER(cons(z0, z1)))
PROPER(s(recip(z0))) → c41(S(recip(proper(z0))), PROPER(recip(z0)))
PROPER(s(sqr(z0))) → c41(S(sqr(proper(z0))), PROPER(sqr(z0)))
PROPER(s(s(z0))) → c41(S(s(proper(z0))), PROPER(s(z0)))
PROPER(s(add(z0, z1))) → c41(S(add(proper(z0), proper(z1))), PROPER(add(z0, z1)))
PROPER(s(dbl(z0))) → c41(S(dbl(proper(z0))), PROPER(dbl(z0)))
PROPER(s(first(z0, z1))) → c41(S(first(proper(z0), proper(z1))), PROPER(first(z0, z1)))
PROPER(s(0)) → c41(S(ok(0)))
PROPER(s(nil)) → c41(S(ok(nil)))
PROPER(add(x0, terms(z0))) → c43(ADD(proper(x0), terms(proper(z0))), PROPER(x0), PROPER(terms(z0)))
PROPER(add(x0, cons(z0, z1))) → c43(ADD(proper(x0), cons(proper(z0), proper(z1))), PROPER(x0), PROPER(cons(z0, z1)))
PROPER(add(x0, recip(z0))) → c43(ADD(proper(x0), recip(proper(z0))), PROPER(x0), PROPER(recip(z0)))
PROPER(add(x0, sqr(z0))) → c43(ADD(proper(x0), sqr(proper(z0))), PROPER(x0), PROPER(sqr(z0)))
PROPER(add(x0, s(z0))) → c43(ADD(proper(x0), s(proper(z0))), PROPER(x0), PROPER(s(z0)))
PROPER(add(x0, 0)) → c43(ADD(proper(x0), ok(0)), PROPER(x0), PROPER(0))
PROPER(add(x0, add(z0, z1))) → c43(ADD(proper(x0), add(proper(z0), proper(z1))), PROPER(x0), PROPER(add(z0, z1)))
PROPER(add(x0, dbl(z0))) → c43(ADD(proper(x0), dbl(proper(z0))), PROPER(x0), PROPER(dbl(z0)))
PROPER(add(x0, first(z0, z1))) → c43(ADD(proper(x0), first(proper(z0), proper(z1))), PROPER(x0), PROPER(first(z0, z1)))
PROPER(add(x0, nil)) → c43(ADD(proper(x0), ok(nil)), PROPER(x0), PROPER(nil))
PROPER(add(terms(z0), x1)) → c43(ADD(terms(proper(z0)), proper(x1)), PROPER(terms(z0)), PROPER(x1))
PROPER(add(cons(z0, z1), x1)) → c43(ADD(cons(proper(z0), proper(z1)), proper(x1)), PROPER(cons(z0, z1)), PROPER(x1))
PROPER(add(recip(z0), x1)) → c43(ADD(recip(proper(z0)), proper(x1)), PROPER(recip(z0)), PROPER(x1))
PROPER(add(sqr(z0), x1)) → c43(ADD(sqr(proper(z0)), proper(x1)), PROPER(sqr(z0)), PROPER(x1))
PROPER(add(s(z0), x1)) → c43(ADD(s(proper(z0)), proper(x1)), PROPER(s(z0)), PROPER(x1))
PROPER(add(0, x1)) → c43(ADD(ok(0), proper(x1)), PROPER(0), PROPER(x1))
PROPER(add(add(z0, z1), x1)) → c43(ADD(add(proper(z0), proper(z1)), proper(x1)), PROPER(add(z0, z1)), PROPER(x1))
PROPER(add(dbl(z0), x1)) → c43(ADD(dbl(proper(z0)), proper(x1)), PROPER(dbl(z0)), PROPER(x1))
PROPER(add(first(z0, z1), x1)) → c43(ADD(first(proper(z0), proper(z1)), proper(x1)), PROPER(first(z0, z1)), PROPER(x1))
PROPER(add(nil, x1)) → c43(ADD(ok(nil), proper(x1)), PROPER(nil), PROPER(x1))
K tuples:none
Defined Rule Symbols:

active, cons, first, terms, recip, sqr, s, add, dbl, proper

Defined Pair Symbols:

ACTIVE, TERMS, CONS, RECIP, SQR, S, ADD, DBL, FIRST, PROPER, TOP

Compound Symbols:

c14, c15, c17, c18, c19, c20, c21, c22, c23, c24, c25, c26, c27, c28, c29, c30, c31, c32, c33, c34, c35, c36, c44, c45, c47, c48, c4, c6, c1, c9, c10, c11, c12, c9, c10, c11, c12, c13, c13, c16, c16, c37, c37, c38, c38, c39, c39, c40, c40, c41, c41, c43

(51) CdtRhsSimplificationProcessorProof (BOTH BOUNDS(ID, ID) transformation)

Removed 4 trailing tuple parts

(52) Obligation:

Complexity Dependency Tuples Problem
Rules:

active(terms(z0)) → mark(cons(recip(sqr(z0)), terms(s(z0))))
active(sqr(0)) → mark(0)
active(sqr(s(z0))) → mark(s(add(sqr(z0), dbl(z0))))
active(dbl(0)) → mark(0)
active(dbl(s(z0))) → mark(s(s(dbl(z0))))
active(add(0, z0)) → mark(z0)
active(add(s(z0), z1)) → mark(s(add(z0, z1)))
active(first(0, z0)) → mark(nil)
active(first(s(z0), cons(z1, z2))) → mark(cons(z1, first(z0, z2)))
active(terms(z0)) → terms(active(z0))
active(cons(z0, z1)) → cons(active(z0), z1)
active(recip(z0)) → recip(active(z0))
active(sqr(z0)) → sqr(active(z0))
active(s(z0)) → s(active(z0))
active(add(z0, z1)) → add(active(z0), z1)
active(add(z0, z1)) → add(z0, active(z1))
active(dbl(z0)) → dbl(active(z0))
active(first(z0, z1)) → first(active(z0), z1)
active(first(z0, z1)) → first(z0, active(z1))
cons(ok(z0), ok(z1)) → ok(cons(z0, z1))
cons(mark(z0), z1) → mark(cons(z0, z1))
first(z0, mark(z1)) → mark(first(z0, z1))
first(mark(z0), z1) → mark(first(z0, z1))
first(ok(z0), ok(z1)) → ok(first(z0, z1))
terms(mark(z0)) → mark(terms(z0))
terms(ok(z0)) → ok(terms(z0))
recip(mark(z0)) → mark(recip(z0))
recip(ok(z0)) → ok(recip(z0))
sqr(mark(z0)) → mark(sqr(z0))
sqr(ok(z0)) → ok(sqr(z0))
s(mark(z0)) → mark(s(z0))
s(ok(z0)) → ok(s(z0))
add(mark(z0), z1) → mark(add(z0, z1))
add(ok(z0), ok(z1)) → ok(add(z0, z1))
add(z0, mark(z1)) → mark(add(z0, z1))
dbl(mark(z0)) → mark(dbl(z0))
dbl(ok(z0)) → ok(dbl(z0))
proper(terms(z0)) → terms(proper(z0))
proper(cons(z0, z1)) → cons(proper(z0), proper(z1))
proper(recip(z0)) → recip(proper(z0))
proper(sqr(z0)) → sqr(proper(z0))
proper(s(z0)) → s(proper(z0))
proper(0) → ok(0)
proper(add(z0, z1)) → add(proper(z0), proper(z1))
proper(dbl(z0)) → dbl(proper(z0))
proper(first(z0, z1)) → first(proper(z0), proper(z1))
proper(nil) → ok(nil)
Tuples:

ACTIVE(add(z0, z1)) → c14(ADD(active(z0), z1), ACTIVE(z0))
ACTIVE(add(z0, z1)) → c15(ADD(z0, active(z1)), ACTIVE(z1))
ACTIVE(first(z0, z1)) → c17(FIRST(active(z0), z1), ACTIVE(z0))
ACTIVE(first(z0, z1)) → c18(FIRST(z0, active(z1)), ACTIVE(z1))
TERMS(mark(z0)) → c19(TERMS(z0))
TERMS(ok(z0)) → c20(TERMS(z0))
CONS(mark(z0), z1) → c21(CONS(z0, z1))
CONS(ok(z0), ok(z1)) → c22(CONS(z0, z1))
RECIP(mark(z0)) → c23(RECIP(z0))
RECIP(ok(z0)) → c24(RECIP(z0))
SQR(mark(z0)) → c25(SQR(z0))
SQR(ok(z0)) → c26(SQR(z0))
S(mark(z0)) → c27(S(z0))
S(ok(z0)) → c28(S(z0))
ADD(mark(z0), z1) → c29(ADD(z0, z1))
ADD(z0, mark(z1)) → c30(ADD(z0, z1))
ADD(ok(z0), ok(z1)) → c31(ADD(z0, z1))
DBL(mark(z0)) → c32(DBL(z0))
DBL(ok(z0)) → c33(DBL(z0))
FIRST(mark(z0), z1) → c34(FIRST(z0, z1))
FIRST(z0, mark(z1)) → c35(FIRST(z0, z1))
FIRST(ok(z0), ok(z1)) → c36(FIRST(z0, z1))
PROPER(dbl(z0)) → c44(DBL(proper(z0)), PROPER(z0))
PROPER(first(z0, z1)) → c45(FIRST(proper(z0), proper(z1)), PROPER(z0), PROPER(z1))
TOP(mark(z0)) → c47(TOP(proper(z0)), PROPER(z0))
TOP(ok(z0)) → c48(TOP(active(z0)), ACTIVE(z0))
ACTIVE(dbl(s(z0))) → c4(DBL(z0))
ACTIVE(add(s(z0), z1)) → c6(ADD(z0, z1))
ACTIVE(first(s(z0), cons(z1, z2))) → c1(CONS(z1, first(z0, z2)))
ACTIVE(first(s(z0), cons(z1, z2))) → c1(FIRST(z0, z2))
ACTIVE(terms(z0)) → c1(SQR(z0))
ACTIVE(terms(z0)) → c1(S(z0))
ACTIVE(sqr(s(z0))) → c1(SQR(z0))
ACTIVE(sqr(s(z0))) → c1(DBL(z0))
ACTIVE(terms(terms(z0))) → c9(TERMS(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(terms(sqr(s(z0)))) → c9(TERMS(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(terms(dbl(s(z0)))) → c9(TERMS(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(terms(add(0, z0))) → c9(TERMS(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(terms(add(s(z0), z1))) → c9(TERMS(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(terms(first(0, z0))) → c9(TERMS(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(terms(first(s(z0), cons(z1, z2)))) → c9(TERMS(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(terms(terms(z0))) → c9(TERMS(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(terms(cons(z0, z1))) → c9(TERMS(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(terms(recip(z0))) → c9(TERMS(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(terms(sqr(z0))) → c9(TERMS(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(terms(s(z0))) → c9(TERMS(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(terms(add(z0, z1))) → c9(TERMS(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(terms(add(z0, z1))) → c9(TERMS(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(terms(dbl(z0))) → c9(TERMS(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(terms(first(z0, z1))) → c9(TERMS(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(terms(first(z0, z1))) → c9(TERMS(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(cons(terms(z0), x1)) → c10(CONS(mark(cons(recip(sqr(z0)), terms(s(z0)))), x1), ACTIVE(terms(z0)))
ACTIVE(cons(sqr(s(z0)), x1)) → c10(CONS(mark(s(add(sqr(z0), dbl(z0)))), x1), ACTIVE(sqr(s(z0))))
ACTIVE(cons(dbl(s(z0)), x1)) → c10(CONS(mark(s(s(dbl(z0)))), x1), ACTIVE(dbl(s(z0))))
ACTIVE(cons(add(0, z0), x1)) → c10(CONS(mark(z0), x1), ACTIVE(add(0, z0)))
ACTIVE(cons(add(s(z0), z1), x1)) → c10(CONS(mark(s(add(z0, z1))), x1), ACTIVE(add(s(z0), z1)))
ACTIVE(cons(first(0, z0), x1)) → c10(CONS(mark(nil), x1), ACTIVE(first(0, z0)))
ACTIVE(cons(first(s(z0), cons(z1, z2)), x1)) → c10(CONS(mark(cons(z1, first(z0, z2))), x1), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(cons(terms(z0), x1)) → c10(CONS(terms(active(z0)), x1), ACTIVE(terms(z0)))
ACTIVE(cons(cons(z0, z1), x1)) → c10(CONS(cons(active(z0), z1), x1), ACTIVE(cons(z0, z1)))
ACTIVE(cons(recip(z0), x1)) → c10(CONS(recip(active(z0)), x1), ACTIVE(recip(z0)))
ACTIVE(cons(sqr(z0), x1)) → c10(CONS(sqr(active(z0)), x1), ACTIVE(sqr(z0)))
ACTIVE(cons(s(z0), x1)) → c10(CONS(s(active(z0)), x1), ACTIVE(s(z0)))
ACTIVE(cons(add(z0, z1), x1)) → c10(CONS(add(active(z0), z1), x1), ACTIVE(add(z0, z1)))
ACTIVE(cons(add(z0, z1), x1)) → c10(CONS(add(z0, active(z1)), x1), ACTIVE(add(z0, z1)))
ACTIVE(cons(dbl(z0), x1)) → c10(CONS(dbl(active(z0)), x1), ACTIVE(dbl(z0)))
ACTIVE(cons(first(z0, z1), x1)) → c10(CONS(first(active(z0), z1), x1), ACTIVE(first(z0, z1)))
ACTIVE(cons(first(z0, z1), x1)) → c10(CONS(first(z0, active(z1)), x1), ACTIVE(first(z0, z1)))
ACTIVE(recip(terms(z0))) → c11(RECIP(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(recip(sqr(s(z0)))) → c11(RECIP(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(recip(dbl(s(z0)))) → c11(RECIP(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(recip(add(0, z0))) → c11(RECIP(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(recip(add(s(z0), z1))) → c11(RECIP(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(recip(first(0, z0))) → c11(RECIP(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(recip(first(s(z0), cons(z1, z2)))) → c11(RECIP(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(recip(terms(z0))) → c11(RECIP(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(recip(cons(z0, z1))) → c11(RECIP(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(recip(recip(z0))) → c11(RECIP(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(recip(sqr(z0))) → c11(RECIP(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(recip(s(z0))) → c11(RECIP(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(recip(add(z0, z1))) → c11(RECIP(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(recip(add(z0, z1))) → c11(RECIP(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(recip(dbl(z0))) → c11(RECIP(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(recip(first(z0, z1))) → c11(RECIP(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(recip(first(z0, z1))) → c11(RECIP(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(sqr(terms(z0))) → c12(SQR(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(sqr(sqr(s(z0)))) → c12(SQR(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(sqr(dbl(s(z0)))) → c12(SQR(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(sqr(add(0, z0))) → c12(SQR(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(sqr(add(s(z0), z1))) → c12(SQR(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(sqr(first(0, z0))) → c12(SQR(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(sqr(first(s(z0), cons(z1, z2)))) → c12(SQR(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(sqr(terms(z0))) → c12(SQR(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(sqr(cons(z0, z1))) → c12(SQR(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(sqr(recip(z0))) → c12(SQR(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(sqr(sqr(z0))) → c12(SQR(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(sqr(s(z0))) → c12(SQR(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(sqr(add(z0, z1))) → c12(SQR(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(sqr(add(z0, z1))) → c12(SQR(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(sqr(dbl(z0))) → c12(SQR(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(sqr(first(z0, z1))) → c12(SQR(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(sqr(first(z0, z1))) → c12(SQR(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(terms(sqr(0))) → c9(TERMS(mark(0)))
ACTIVE(cons(sqr(0), x1)) → c10(CONS(mark(0), x1))
ACTIVE(recip(sqr(0))) → c11(RECIP(mark(0)))
ACTIVE(sqr(sqr(0))) → c12(SQR(mark(0)))
ACTIVE(s(terms(z0))) → c13(S(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(s(sqr(s(z0)))) → c13(S(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(s(dbl(s(z0)))) → c13(S(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(s(add(0, z0))) → c13(S(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(s(add(s(z0), z1))) → c13(S(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(s(first(0, z0))) → c13(S(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(s(first(s(z0), cons(z1, z2)))) → c13(S(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(s(terms(z0))) → c13(S(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(s(cons(z0, z1))) → c13(S(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(s(recip(z0))) → c13(S(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(s(sqr(z0))) → c13(S(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(s(s(z0))) → c13(S(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(s(add(z0, z1))) → c13(S(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(s(add(z0, z1))) → c13(S(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(s(dbl(z0))) → c13(S(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(s(first(z0, z1))) → c13(S(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(s(first(z0, z1))) → c13(S(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(s(sqr(0))) → c13(S(mark(0)))
ACTIVE(dbl(terms(z0))) → c16(DBL(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(dbl(sqr(s(z0)))) → c16(DBL(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(dbl(dbl(s(z0)))) → c16(DBL(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(dbl(add(0, z0))) → c16(DBL(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(dbl(add(s(z0), z1))) → c16(DBL(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(dbl(first(0, z0))) → c16(DBL(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(dbl(first(s(z0), cons(z1, z2)))) → c16(DBL(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(dbl(terms(z0))) → c16(DBL(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(dbl(cons(z0, z1))) → c16(DBL(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(dbl(recip(z0))) → c16(DBL(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(dbl(sqr(z0))) → c16(DBL(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(dbl(s(z0))) → c16(DBL(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(dbl(add(z0, z1))) → c16(DBL(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(dbl(add(z0, z1))) → c16(DBL(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(dbl(dbl(z0))) → c16(DBL(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(dbl(first(z0, z1))) → c16(DBL(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(dbl(first(z0, z1))) → c16(DBL(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(terms(dbl(0))) → c9(TERMS(mark(0)))
ACTIVE(cons(dbl(0), x1)) → c10(CONS(mark(0), x1))
ACTIVE(recip(dbl(0))) → c11(RECIP(mark(0)))
ACTIVE(sqr(dbl(0))) → c12(SQR(mark(0)))
ACTIVE(s(dbl(0))) → c13(S(mark(0)))
ACTIVE(dbl(sqr(0))) → c16(DBL(mark(0)))
ACTIVE(dbl(dbl(0))) → c16(DBL(mark(0)))
PROPER(terms(terms(z0))) → c37(TERMS(terms(proper(z0))), PROPER(terms(z0)))
PROPER(terms(cons(z0, z1))) → c37(TERMS(cons(proper(z0), proper(z1))), PROPER(cons(z0, z1)))
PROPER(terms(recip(z0))) → c37(TERMS(recip(proper(z0))), PROPER(recip(z0)))
PROPER(terms(sqr(z0))) → c37(TERMS(sqr(proper(z0))), PROPER(sqr(z0)))
PROPER(terms(s(z0))) → c37(TERMS(s(proper(z0))), PROPER(s(z0)))
PROPER(terms(add(z0, z1))) → c37(TERMS(add(proper(z0), proper(z1))), PROPER(add(z0, z1)))
PROPER(terms(dbl(z0))) → c37(TERMS(dbl(proper(z0))), PROPER(dbl(z0)))
PROPER(terms(first(z0, z1))) → c37(TERMS(first(proper(z0), proper(z1))), PROPER(first(z0, z1)))
PROPER(terms(0)) → c37(TERMS(ok(0)))
PROPER(terms(nil)) → c37(TERMS(ok(nil)))
PROPER(cons(x0, terms(z0))) → c38(CONS(proper(x0), terms(proper(z0))), PROPER(x0), PROPER(terms(z0)))
PROPER(cons(x0, cons(z0, z1))) → c38(CONS(proper(x0), cons(proper(z0), proper(z1))), PROPER(x0), PROPER(cons(z0, z1)))
PROPER(cons(x0, recip(z0))) → c38(CONS(proper(x0), recip(proper(z0))), PROPER(x0), PROPER(recip(z0)))
PROPER(cons(x0, sqr(z0))) → c38(CONS(proper(x0), sqr(proper(z0))), PROPER(x0), PROPER(sqr(z0)))
PROPER(cons(x0, s(z0))) → c38(CONS(proper(x0), s(proper(z0))), PROPER(x0), PROPER(s(z0)))
PROPER(cons(x0, add(z0, z1))) → c38(CONS(proper(x0), add(proper(z0), proper(z1))), PROPER(x0), PROPER(add(z0, z1)))
PROPER(cons(x0, dbl(z0))) → c38(CONS(proper(x0), dbl(proper(z0))), PROPER(x0), PROPER(dbl(z0)))
PROPER(cons(x0, first(z0, z1))) → c38(CONS(proper(x0), first(proper(z0), proper(z1))), PROPER(x0), PROPER(first(z0, z1)))
PROPER(cons(terms(z0), x1)) → c38(CONS(terms(proper(z0)), proper(x1)), PROPER(terms(z0)), PROPER(x1))
PROPER(cons(cons(z0, z1), x1)) → c38(CONS(cons(proper(z0), proper(z1)), proper(x1)), PROPER(cons(z0, z1)), PROPER(x1))
PROPER(cons(recip(z0), x1)) → c38(CONS(recip(proper(z0)), proper(x1)), PROPER(recip(z0)), PROPER(x1))
PROPER(cons(sqr(z0), x1)) → c38(CONS(sqr(proper(z0)), proper(x1)), PROPER(sqr(z0)), PROPER(x1))
PROPER(cons(s(z0), x1)) → c38(CONS(s(proper(z0)), proper(x1)), PROPER(s(z0)), PROPER(x1))
PROPER(cons(add(z0, z1), x1)) → c38(CONS(add(proper(z0), proper(z1)), proper(x1)), PROPER(add(z0, z1)), PROPER(x1))
PROPER(cons(dbl(z0), x1)) → c38(CONS(dbl(proper(z0)), proper(x1)), PROPER(dbl(z0)), PROPER(x1))
PROPER(cons(first(z0, z1), x1)) → c38(CONS(first(proper(z0), proper(z1)), proper(x1)), PROPER(first(z0, z1)), PROPER(x1))
PROPER(cons(x0, 0)) → c38(CONS(proper(x0), ok(0)), PROPER(x0))
PROPER(cons(x0, nil)) → c38(CONS(proper(x0), ok(nil)), PROPER(x0))
PROPER(cons(0, x1)) → c38(CONS(ok(0), proper(x1)), PROPER(x1))
PROPER(cons(nil, x1)) → c38(CONS(ok(nil), proper(x1)), PROPER(x1))
PROPER(recip(terms(z0))) → c39(RECIP(terms(proper(z0))), PROPER(terms(z0)))
PROPER(recip(cons(z0, z1))) → c39(RECIP(cons(proper(z0), proper(z1))), PROPER(cons(z0, z1)))
PROPER(recip(recip(z0))) → c39(RECIP(recip(proper(z0))), PROPER(recip(z0)))
PROPER(recip(sqr(z0))) → c39(RECIP(sqr(proper(z0))), PROPER(sqr(z0)))
PROPER(recip(s(z0))) → c39(RECIP(s(proper(z0))), PROPER(s(z0)))
PROPER(recip(add(z0, z1))) → c39(RECIP(add(proper(z0), proper(z1))), PROPER(add(z0, z1)))
PROPER(recip(dbl(z0))) → c39(RECIP(dbl(proper(z0))), PROPER(dbl(z0)))
PROPER(recip(first(z0, z1))) → c39(RECIP(first(proper(z0), proper(z1))), PROPER(first(z0, z1)))
PROPER(recip(0)) → c39(RECIP(ok(0)))
PROPER(recip(nil)) → c39(RECIP(ok(nil)))
PROPER(sqr(terms(z0))) → c40(SQR(terms(proper(z0))), PROPER(terms(z0)))
PROPER(sqr(cons(z0, z1))) → c40(SQR(cons(proper(z0), proper(z1))), PROPER(cons(z0, z1)))
PROPER(sqr(recip(z0))) → c40(SQR(recip(proper(z0))), PROPER(recip(z0)))
PROPER(sqr(sqr(z0))) → c40(SQR(sqr(proper(z0))), PROPER(sqr(z0)))
PROPER(sqr(s(z0))) → c40(SQR(s(proper(z0))), PROPER(s(z0)))
PROPER(sqr(add(z0, z1))) → c40(SQR(add(proper(z0), proper(z1))), PROPER(add(z0, z1)))
PROPER(sqr(dbl(z0))) → c40(SQR(dbl(proper(z0))), PROPER(dbl(z0)))
PROPER(sqr(first(z0, z1))) → c40(SQR(first(proper(z0), proper(z1))), PROPER(first(z0, z1)))
PROPER(sqr(0)) → c40(SQR(ok(0)))
PROPER(sqr(nil)) → c40(SQR(ok(nil)))
PROPER(s(terms(z0))) → c41(S(terms(proper(z0))), PROPER(terms(z0)))
PROPER(s(cons(z0, z1))) → c41(S(cons(proper(z0), proper(z1))), PROPER(cons(z0, z1)))
PROPER(s(recip(z0))) → c41(S(recip(proper(z0))), PROPER(recip(z0)))
PROPER(s(sqr(z0))) → c41(S(sqr(proper(z0))), PROPER(sqr(z0)))
PROPER(s(s(z0))) → c41(S(s(proper(z0))), PROPER(s(z0)))
PROPER(s(add(z0, z1))) → c41(S(add(proper(z0), proper(z1))), PROPER(add(z0, z1)))
PROPER(s(dbl(z0))) → c41(S(dbl(proper(z0))), PROPER(dbl(z0)))
PROPER(s(first(z0, z1))) → c41(S(first(proper(z0), proper(z1))), PROPER(first(z0, z1)))
PROPER(s(0)) → c41(S(ok(0)))
PROPER(s(nil)) → c41(S(ok(nil)))
PROPER(add(x0, terms(z0))) → c43(ADD(proper(x0), terms(proper(z0))), PROPER(x0), PROPER(terms(z0)))
PROPER(add(x0, cons(z0, z1))) → c43(ADD(proper(x0), cons(proper(z0), proper(z1))), PROPER(x0), PROPER(cons(z0, z1)))
PROPER(add(x0, recip(z0))) → c43(ADD(proper(x0), recip(proper(z0))), PROPER(x0), PROPER(recip(z0)))
PROPER(add(x0, sqr(z0))) → c43(ADD(proper(x0), sqr(proper(z0))), PROPER(x0), PROPER(sqr(z0)))
PROPER(add(x0, s(z0))) → c43(ADD(proper(x0), s(proper(z0))), PROPER(x0), PROPER(s(z0)))
PROPER(add(x0, add(z0, z1))) → c43(ADD(proper(x0), add(proper(z0), proper(z1))), PROPER(x0), PROPER(add(z0, z1)))
PROPER(add(x0, dbl(z0))) → c43(ADD(proper(x0), dbl(proper(z0))), PROPER(x0), PROPER(dbl(z0)))
PROPER(add(x0, first(z0, z1))) → c43(ADD(proper(x0), first(proper(z0), proper(z1))), PROPER(x0), PROPER(first(z0, z1)))
PROPER(add(terms(z0), x1)) → c43(ADD(terms(proper(z0)), proper(x1)), PROPER(terms(z0)), PROPER(x1))
PROPER(add(cons(z0, z1), x1)) → c43(ADD(cons(proper(z0), proper(z1)), proper(x1)), PROPER(cons(z0, z1)), PROPER(x1))
PROPER(add(recip(z0), x1)) → c43(ADD(recip(proper(z0)), proper(x1)), PROPER(recip(z0)), PROPER(x1))
PROPER(add(sqr(z0), x1)) → c43(ADD(sqr(proper(z0)), proper(x1)), PROPER(sqr(z0)), PROPER(x1))
PROPER(add(s(z0), x1)) → c43(ADD(s(proper(z0)), proper(x1)), PROPER(s(z0)), PROPER(x1))
PROPER(add(add(z0, z1), x1)) → c43(ADD(add(proper(z0), proper(z1)), proper(x1)), PROPER(add(z0, z1)), PROPER(x1))
PROPER(add(dbl(z0), x1)) → c43(ADD(dbl(proper(z0)), proper(x1)), PROPER(dbl(z0)), PROPER(x1))
PROPER(add(first(z0, z1), x1)) → c43(ADD(first(proper(z0), proper(z1)), proper(x1)), PROPER(first(z0, z1)), PROPER(x1))
PROPER(add(x0, 0)) → c43(ADD(proper(x0), ok(0)), PROPER(x0))
PROPER(add(x0, nil)) → c43(ADD(proper(x0), ok(nil)), PROPER(x0))
PROPER(add(0, x1)) → c43(ADD(ok(0), proper(x1)), PROPER(x1))
PROPER(add(nil, x1)) → c43(ADD(ok(nil), proper(x1)), PROPER(x1))
S tuples:

ACTIVE(add(z0, z1)) → c14(ADD(active(z0), z1), ACTIVE(z0))
ACTIVE(add(z0, z1)) → c15(ADD(z0, active(z1)), ACTIVE(z1))
ACTIVE(first(z0, z1)) → c17(FIRST(active(z0), z1), ACTIVE(z0))
ACTIVE(first(z0, z1)) → c18(FIRST(z0, active(z1)), ACTIVE(z1))
TERMS(mark(z0)) → c19(TERMS(z0))
TERMS(ok(z0)) → c20(TERMS(z0))
CONS(mark(z0), z1) → c21(CONS(z0, z1))
CONS(ok(z0), ok(z1)) → c22(CONS(z0, z1))
RECIP(mark(z0)) → c23(RECIP(z0))
RECIP(ok(z0)) → c24(RECIP(z0))
SQR(mark(z0)) → c25(SQR(z0))
SQR(ok(z0)) → c26(SQR(z0))
S(mark(z0)) → c27(S(z0))
S(ok(z0)) → c28(S(z0))
ADD(mark(z0), z1) → c29(ADD(z0, z1))
ADD(z0, mark(z1)) → c30(ADD(z0, z1))
ADD(ok(z0), ok(z1)) → c31(ADD(z0, z1))
DBL(mark(z0)) → c32(DBL(z0))
DBL(ok(z0)) → c33(DBL(z0))
FIRST(mark(z0), z1) → c34(FIRST(z0, z1))
FIRST(z0, mark(z1)) → c35(FIRST(z0, z1))
FIRST(ok(z0), ok(z1)) → c36(FIRST(z0, z1))
PROPER(dbl(z0)) → c44(DBL(proper(z0)), PROPER(z0))
PROPER(first(z0, z1)) → c45(FIRST(proper(z0), proper(z1)), PROPER(z0), PROPER(z1))
TOP(mark(z0)) → c47(TOP(proper(z0)), PROPER(z0))
TOP(ok(z0)) → c48(TOP(active(z0)), ACTIVE(z0))
ACTIVE(dbl(s(z0))) → c4(DBL(z0))
ACTIVE(add(s(z0), z1)) → c6(ADD(z0, z1))
ACTIVE(first(s(z0), cons(z1, z2))) → c1(CONS(z1, first(z0, z2)))
ACTIVE(first(s(z0), cons(z1, z2))) → c1(FIRST(z0, z2))
ACTIVE(terms(z0)) → c1(SQR(z0))
ACTIVE(terms(z0)) → c1(S(z0))
ACTIVE(sqr(s(z0))) → c1(SQR(z0))
ACTIVE(sqr(s(z0))) → c1(DBL(z0))
ACTIVE(terms(terms(z0))) → c9(TERMS(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(terms(sqr(s(z0)))) → c9(TERMS(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(terms(dbl(s(z0)))) → c9(TERMS(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(terms(add(0, z0))) → c9(TERMS(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(terms(add(s(z0), z1))) → c9(TERMS(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(terms(first(0, z0))) → c9(TERMS(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(terms(first(s(z0), cons(z1, z2)))) → c9(TERMS(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(terms(terms(z0))) → c9(TERMS(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(terms(cons(z0, z1))) → c9(TERMS(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(terms(recip(z0))) → c9(TERMS(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(terms(sqr(z0))) → c9(TERMS(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(terms(s(z0))) → c9(TERMS(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(terms(add(z0, z1))) → c9(TERMS(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(terms(add(z0, z1))) → c9(TERMS(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(terms(dbl(z0))) → c9(TERMS(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(terms(first(z0, z1))) → c9(TERMS(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(terms(first(z0, z1))) → c9(TERMS(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(cons(terms(z0), x1)) → c10(CONS(mark(cons(recip(sqr(z0)), terms(s(z0)))), x1), ACTIVE(terms(z0)))
ACTIVE(cons(sqr(s(z0)), x1)) → c10(CONS(mark(s(add(sqr(z0), dbl(z0)))), x1), ACTIVE(sqr(s(z0))))
ACTIVE(cons(dbl(s(z0)), x1)) → c10(CONS(mark(s(s(dbl(z0)))), x1), ACTIVE(dbl(s(z0))))
ACTIVE(cons(add(0, z0), x1)) → c10(CONS(mark(z0), x1), ACTIVE(add(0, z0)))
ACTIVE(cons(add(s(z0), z1), x1)) → c10(CONS(mark(s(add(z0, z1))), x1), ACTIVE(add(s(z0), z1)))
ACTIVE(cons(first(0, z0), x1)) → c10(CONS(mark(nil), x1), ACTIVE(first(0, z0)))
ACTIVE(cons(first(s(z0), cons(z1, z2)), x1)) → c10(CONS(mark(cons(z1, first(z0, z2))), x1), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(cons(terms(z0), x1)) → c10(CONS(terms(active(z0)), x1), ACTIVE(terms(z0)))
ACTIVE(cons(cons(z0, z1), x1)) → c10(CONS(cons(active(z0), z1), x1), ACTIVE(cons(z0, z1)))
ACTIVE(cons(recip(z0), x1)) → c10(CONS(recip(active(z0)), x1), ACTIVE(recip(z0)))
ACTIVE(cons(sqr(z0), x1)) → c10(CONS(sqr(active(z0)), x1), ACTIVE(sqr(z0)))
ACTIVE(cons(s(z0), x1)) → c10(CONS(s(active(z0)), x1), ACTIVE(s(z0)))
ACTIVE(cons(add(z0, z1), x1)) → c10(CONS(add(active(z0), z1), x1), ACTIVE(add(z0, z1)))
ACTIVE(cons(add(z0, z1), x1)) → c10(CONS(add(z0, active(z1)), x1), ACTIVE(add(z0, z1)))
ACTIVE(cons(dbl(z0), x1)) → c10(CONS(dbl(active(z0)), x1), ACTIVE(dbl(z0)))
ACTIVE(cons(first(z0, z1), x1)) → c10(CONS(first(active(z0), z1), x1), ACTIVE(first(z0, z1)))
ACTIVE(cons(first(z0, z1), x1)) → c10(CONS(first(z0, active(z1)), x1), ACTIVE(first(z0, z1)))
ACTIVE(recip(terms(z0))) → c11(RECIP(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(recip(sqr(s(z0)))) → c11(RECIP(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(recip(dbl(s(z0)))) → c11(RECIP(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(recip(add(0, z0))) → c11(RECIP(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(recip(add(s(z0), z1))) → c11(RECIP(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(recip(first(0, z0))) → c11(RECIP(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(recip(first(s(z0), cons(z1, z2)))) → c11(RECIP(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(recip(terms(z0))) → c11(RECIP(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(recip(cons(z0, z1))) → c11(RECIP(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(recip(recip(z0))) → c11(RECIP(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(recip(sqr(z0))) → c11(RECIP(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(recip(s(z0))) → c11(RECIP(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(recip(add(z0, z1))) → c11(RECIP(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(recip(add(z0, z1))) → c11(RECIP(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(recip(dbl(z0))) → c11(RECIP(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(recip(first(z0, z1))) → c11(RECIP(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(recip(first(z0, z1))) → c11(RECIP(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(sqr(terms(z0))) → c12(SQR(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(sqr(sqr(s(z0)))) → c12(SQR(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(sqr(dbl(s(z0)))) → c12(SQR(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(sqr(add(0, z0))) → c12(SQR(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(sqr(add(s(z0), z1))) → c12(SQR(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(sqr(first(0, z0))) → c12(SQR(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(sqr(first(s(z0), cons(z1, z2)))) → c12(SQR(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(sqr(terms(z0))) → c12(SQR(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(sqr(cons(z0, z1))) → c12(SQR(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(sqr(recip(z0))) → c12(SQR(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(sqr(sqr(z0))) → c12(SQR(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(sqr(s(z0))) → c12(SQR(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(sqr(add(z0, z1))) → c12(SQR(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(sqr(add(z0, z1))) → c12(SQR(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(sqr(dbl(z0))) → c12(SQR(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(sqr(first(z0, z1))) → c12(SQR(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(sqr(first(z0, z1))) → c12(SQR(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(terms(sqr(0))) → c9(TERMS(mark(0)))
ACTIVE(cons(sqr(0), x1)) → c10(CONS(mark(0), x1))
ACTIVE(recip(sqr(0))) → c11(RECIP(mark(0)))
ACTIVE(sqr(sqr(0))) → c12(SQR(mark(0)))
ACTIVE(s(terms(z0))) → c13(S(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(s(sqr(s(z0)))) → c13(S(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(s(dbl(s(z0)))) → c13(S(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(s(add(0, z0))) → c13(S(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(s(add(s(z0), z1))) → c13(S(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(s(first(0, z0))) → c13(S(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(s(first(s(z0), cons(z1, z2)))) → c13(S(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(s(terms(z0))) → c13(S(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(s(cons(z0, z1))) → c13(S(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(s(recip(z0))) → c13(S(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(s(sqr(z0))) → c13(S(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(s(s(z0))) → c13(S(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(s(add(z0, z1))) → c13(S(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(s(add(z0, z1))) → c13(S(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(s(dbl(z0))) → c13(S(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(s(first(z0, z1))) → c13(S(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(s(first(z0, z1))) → c13(S(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(s(sqr(0))) → c13(S(mark(0)))
ACTIVE(dbl(terms(z0))) → c16(DBL(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(dbl(sqr(s(z0)))) → c16(DBL(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(dbl(dbl(s(z0)))) → c16(DBL(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(dbl(add(0, z0))) → c16(DBL(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(dbl(add(s(z0), z1))) → c16(DBL(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(dbl(first(0, z0))) → c16(DBL(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(dbl(first(s(z0), cons(z1, z2)))) → c16(DBL(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(dbl(terms(z0))) → c16(DBL(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(dbl(cons(z0, z1))) → c16(DBL(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(dbl(recip(z0))) → c16(DBL(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(dbl(sqr(z0))) → c16(DBL(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(dbl(s(z0))) → c16(DBL(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(dbl(add(z0, z1))) → c16(DBL(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(dbl(add(z0, z1))) → c16(DBL(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(dbl(dbl(z0))) → c16(DBL(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(dbl(first(z0, z1))) → c16(DBL(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(dbl(first(z0, z1))) → c16(DBL(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(terms(dbl(0))) → c9(TERMS(mark(0)))
ACTIVE(cons(dbl(0), x1)) → c10(CONS(mark(0), x1))
ACTIVE(recip(dbl(0))) → c11(RECIP(mark(0)))
ACTIVE(sqr(dbl(0))) → c12(SQR(mark(0)))
ACTIVE(s(dbl(0))) → c13(S(mark(0)))
ACTIVE(dbl(sqr(0))) → c16(DBL(mark(0)))
ACTIVE(dbl(dbl(0))) → c16(DBL(mark(0)))
PROPER(terms(terms(z0))) → c37(TERMS(terms(proper(z0))), PROPER(terms(z0)))
PROPER(terms(cons(z0, z1))) → c37(TERMS(cons(proper(z0), proper(z1))), PROPER(cons(z0, z1)))
PROPER(terms(recip(z0))) → c37(TERMS(recip(proper(z0))), PROPER(recip(z0)))
PROPER(terms(sqr(z0))) → c37(TERMS(sqr(proper(z0))), PROPER(sqr(z0)))
PROPER(terms(s(z0))) → c37(TERMS(s(proper(z0))), PROPER(s(z0)))
PROPER(terms(add(z0, z1))) → c37(TERMS(add(proper(z0), proper(z1))), PROPER(add(z0, z1)))
PROPER(terms(dbl(z0))) → c37(TERMS(dbl(proper(z0))), PROPER(dbl(z0)))
PROPER(terms(first(z0, z1))) → c37(TERMS(first(proper(z0), proper(z1))), PROPER(first(z0, z1)))
PROPER(terms(0)) → c37(TERMS(ok(0)))
PROPER(terms(nil)) → c37(TERMS(ok(nil)))
PROPER(cons(x0, terms(z0))) → c38(CONS(proper(x0), terms(proper(z0))), PROPER(x0), PROPER(terms(z0)))
PROPER(cons(x0, cons(z0, z1))) → c38(CONS(proper(x0), cons(proper(z0), proper(z1))), PROPER(x0), PROPER(cons(z0, z1)))
PROPER(cons(x0, recip(z0))) → c38(CONS(proper(x0), recip(proper(z0))), PROPER(x0), PROPER(recip(z0)))
PROPER(cons(x0, sqr(z0))) → c38(CONS(proper(x0), sqr(proper(z0))), PROPER(x0), PROPER(sqr(z0)))
PROPER(cons(x0, s(z0))) → c38(CONS(proper(x0), s(proper(z0))), PROPER(x0), PROPER(s(z0)))
PROPER(cons(x0, add(z0, z1))) → c38(CONS(proper(x0), add(proper(z0), proper(z1))), PROPER(x0), PROPER(add(z0, z1)))
PROPER(cons(x0, dbl(z0))) → c38(CONS(proper(x0), dbl(proper(z0))), PROPER(x0), PROPER(dbl(z0)))
PROPER(cons(x0, first(z0, z1))) → c38(CONS(proper(x0), first(proper(z0), proper(z1))), PROPER(x0), PROPER(first(z0, z1)))
PROPER(cons(terms(z0), x1)) → c38(CONS(terms(proper(z0)), proper(x1)), PROPER(terms(z0)), PROPER(x1))
PROPER(cons(cons(z0, z1), x1)) → c38(CONS(cons(proper(z0), proper(z1)), proper(x1)), PROPER(cons(z0, z1)), PROPER(x1))
PROPER(cons(recip(z0), x1)) → c38(CONS(recip(proper(z0)), proper(x1)), PROPER(recip(z0)), PROPER(x1))
PROPER(cons(sqr(z0), x1)) → c38(CONS(sqr(proper(z0)), proper(x1)), PROPER(sqr(z0)), PROPER(x1))
PROPER(cons(s(z0), x1)) → c38(CONS(s(proper(z0)), proper(x1)), PROPER(s(z0)), PROPER(x1))
PROPER(cons(add(z0, z1), x1)) → c38(CONS(add(proper(z0), proper(z1)), proper(x1)), PROPER(add(z0, z1)), PROPER(x1))
PROPER(cons(dbl(z0), x1)) → c38(CONS(dbl(proper(z0)), proper(x1)), PROPER(dbl(z0)), PROPER(x1))
PROPER(cons(first(z0, z1), x1)) → c38(CONS(first(proper(z0), proper(z1)), proper(x1)), PROPER(first(z0, z1)), PROPER(x1))
PROPER(cons(x0, 0)) → c38(CONS(proper(x0), ok(0)), PROPER(x0))
PROPER(cons(x0, nil)) → c38(CONS(proper(x0), ok(nil)), PROPER(x0))
PROPER(cons(0, x1)) → c38(CONS(ok(0), proper(x1)), PROPER(x1))
PROPER(cons(nil, x1)) → c38(CONS(ok(nil), proper(x1)), PROPER(x1))
PROPER(recip(terms(z0))) → c39(RECIP(terms(proper(z0))), PROPER(terms(z0)))
PROPER(recip(cons(z0, z1))) → c39(RECIP(cons(proper(z0), proper(z1))), PROPER(cons(z0, z1)))
PROPER(recip(recip(z0))) → c39(RECIP(recip(proper(z0))), PROPER(recip(z0)))
PROPER(recip(sqr(z0))) → c39(RECIP(sqr(proper(z0))), PROPER(sqr(z0)))
PROPER(recip(s(z0))) → c39(RECIP(s(proper(z0))), PROPER(s(z0)))
PROPER(recip(add(z0, z1))) → c39(RECIP(add(proper(z0), proper(z1))), PROPER(add(z0, z1)))
PROPER(recip(dbl(z0))) → c39(RECIP(dbl(proper(z0))), PROPER(dbl(z0)))
PROPER(recip(first(z0, z1))) → c39(RECIP(first(proper(z0), proper(z1))), PROPER(first(z0, z1)))
PROPER(recip(0)) → c39(RECIP(ok(0)))
PROPER(recip(nil)) → c39(RECIP(ok(nil)))
PROPER(sqr(terms(z0))) → c40(SQR(terms(proper(z0))), PROPER(terms(z0)))
PROPER(sqr(cons(z0, z1))) → c40(SQR(cons(proper(z0), proper(z1))), PROPER(cons(z0, z1)))
PROPER(sqr(recip(z0))) → c40(SQR(recip(proper(z0))), PROPER(recip(z0)))
PROPER(sqr(sqr(z0))) → c40(SQR(sqr(proper(z0))), PROPER(sqr(z0)))
PROPER(sqr(s(z0))) → c40(SQR(s(proper(z0))), PROPER(s(z0)))
PROPER(sqr(add(z0, z1))) → c40(SQR(add(proper(z0), proper(z1))), PROPER(add(z0, z1)))
PROPER(sqr(dbl(z0))) → c40(SQR(dbl(proper(z0))), PROPER(dbl(z0)))
PROPER(sqr(first(z0, z1))) → c40(SQR(first(proper(z0), proper(z1))), PROPER(first(z0, z1)))
PROPER(sqr(0)) → c40(SQR(ok(0)))
PROPER(sqr(nil)) → c40(SQR(ok(nil)))
PROPER(s(terms(z0))) → c41(S(terms(proper(z0))), PROPER(terms(z0)))
PROPER(s(cons(z0, z1))) → c41(S(cons(proper(z0), proper(z1))), PROPER(cons(z0, z1)))
PROPER(s(recip(z0))) → c41(S(recip(proper(z0))), PROPER(recip(z0)))
PROPER(s(sqr(z0))) → c41(S(sqr(proper(z0))), PROPER(sqr(z0)))
PROPER(s(s(z0))) → c41(S(s(proper(z0))), PROPER(s(z0)))
PROPER(s(add(z0, z1))) → c41(S(add(proper(z0), proper(z1))), PROPER(add(z0, z1)))
PROPER(s(dbl(z0))) → c41(S(dbl(proper(z0))), PROPER(dbl(z0)))
PROPER(s(first(z0, z1))) → c41(S(first(proper(z0), proper(z1))), PROPER(first(z0, z1)))
PROPER(s(0)) → c41(S(ok(0)))
PROPER(s(nil)) → c41(S(ok(nil)))
PROPER(add(x0, terms(z0))) → c43(ADD(proper(x0), terms(proper(z0))), PROPER(x0), PROPER(terms(z0)))
PROPER(add(x0, cons(z0, z1))) → c43(ADD(proper(x0), cons(proper(z0), proper(z1))), PROPER(x0), PROPER(cons(z0, z1)))
PROPER(add(x0, recip(z0))) → c43(ADD(proper(x0), recip(proper(z0))), PROPER(x0), PROPER(recip(z0)))
PROPER(add(x0, sqr(z0))) → c43(ADD(proper(x0), sqr(proper(z0))), PROPER(x0), PROPER(sqr(z0)))
PROPER(add(x0, s(z0))) → c43(ADD(proper(x0), s(proper(z0))), PROPER(x0), PROPER(s(z0)))
PROPER(add(x0, add(z0, z1))) → c43(ADD(proper(x0), add(proper(z0), proper(z1))), PROPER(x0), PROPER(add(z0, z1)))
PROPER(add(x0, dbl(z0))) → c43(ADD(proper(x0), dbl(proper(z0))), PROPER(x0), PROPER(dbl(z0)))
PROPER(add(x0, first(z0, z1))) → c43(ADD(proper(x0), first(proper(z0), proper(z1))), PROPER(x0), PROPER(first(z0, z1)))
PROPER(add(terms(z0), x1)) → c43(ADD(terms(proper(z0)), proper(x1)), PROPER(terms(z0)), PROPER(x1))
PROPER(add(cons(z0, z1), x1)) → c43(ADD(cons(proper(z0), proper(z1)), proper(x1)), PROPER(cons(z0, z1)), PROPER(x1))
PROPER(add(recip(z0), x1)) → c43(ADD(recip(proper(z0)), proper(x1)), PROPER(recip(z0)), PROPER(x1))
PROPER(add(sqr(z0), x1)) → c43(ADD(sqr(proper(z0)), proper(x1)), PROPER(sqr(z0)), PROPER(x1))
PROPER(add(s(z0), x1)) → c43(ADD(s(proper(z0)), proper(x1)), PROPER(s(z0)), PROPER(x1))
PROPER(add(add(z0, z1), x1)) → c43(ADD(add(proper(z0), proper(z1)), proper(x1)), PROPER(add(z0, z1)), PROPER(x1))
PROPER(add(dbl(z0), x1)) → c43(ADD(dbl(proper(z0)), proper(x1)), PROPER(dbl(z0)), PROPER(x1))
PROPER(add(first(z0, z1), x1)) → c43(ADD(first(proper(z0), proper(z1)), proper(x1)), PROPER(first(z0, z1)), PROPER(x1))
PROPER(add(x0, 0)) → c43(ADD(proper(x0), ok(0)), PROPER(x0))
PROPER(add(x0, nil)) → c43(ADD(proper(x0), ok(nil)), PROPER(x0))
PROPER(add(0, x1)) → c43(ADD(ok(0), proper(x1)), PROPER(x1))
PROPER(add(nil, x1)) → c43(ADD(ok(nil), proper(x1)), PROPER(x1))
K tuples:none
Defined Rule Symbols:

active, cons, first, terms, recip, sqr, s, add, dbl, proper

Defined Pair Symbols:

ACTIVE, TERMS, CONS, RECIP, SQR, S, ADD, DBL, FIRST, PROPER, TOP

Compound Symbols:

c14, c15, c17, c18, c19, c20, c21, c22, c23, c24, c25, c26, c27, c28, c29, c30, c31, c32, c33, c34, c35, c36, c44, c45, c47, c48, c4, c6, c1, c9, c10, c11, c12, c9, c10, c11, c12, c13, c13, c16, c16, c37, c37, c38, c38, c39, c39, c40, c40, c41, c41, c43, c43

(53) CdtNarrowingProof (BOTH BOUNDS(ID, ID) transformation)

Use narrowing to replace PROPER(dbl(z0)) → c44(DBL(proper(z0)), PROPER(z0)) by

PROPER(dbl(terms(z0))) → c44(DBL(terms(proper(z0))), PROPER(terms(z0)))
PROPER(dbl(cons(z0, z1))) → c44(DBL(cons(proper(z0), proper(z1))), PROPER(cons(z0, z1)))
PROPER(dbl(recip(z0))) → c44(DBL(recip(proper(z0))), PROPER(recip(z0)))
PROPER(dbl(sqr(z0))) → c44(DBL(sqr(proper(z0))), PROPER(sqr(z0)))
PROPER(dbl(s(z0))) → c44(DBL(s(proper(z0))), PROPER(s(z0)))
PROPER(dbl(0)) → c44(DBL(ok(0)), PROPER(0))
PROPER(dbl(add(z0, z1))) → c44(DBL(add(proper(z0), proper(z1))), PROPER(add(z0, z1)))
PROPER(dbl(dbl(z0))) → c44(DBL(dbl(proper(z0))), PROPER(dbl(z0)))
PROPER(dbl(first(z0, z1))) → c44(DBL(first(proper(z0), proper(z1))), PROPER(first(z0, z1)))
PROPER(dbl(nil)) → c44(DBL(ok(nil)), PROPER(nil))

(54) Obligation:

Complexity Dependency Tuples Problem
Rules:

active(terms(z0)) → mark(cons(recip(sqr(z0)), terms(s(z0))))
active(sqr(0)) → mark(0)
active(sqr(s(z0))) → mark(s(add(sqr(z0), dbl(z0))))
active(dbl(0)) → mark(0)
active(dbl(s(z0))) → mark(s(s(dbl(z0))))
active(add(0, z0)) → mark(z0)
active(add(s(z0), z1)) → mark(s(add(z0, z1)))
active(first(0, z0)) → mark(nil)
active(first(s(z0), cons(z1, z2))) → mark(cons(z1, first(z0, z2)))
active(terms(z0)) → terms(active(z0))
active(cons(z0, z1)) → cons(active(z0), z1)
active(recip(z0)) → recip(active(z0))
active(sqr(z0)) → sqr(active(z0))
active(s(z0)) → s(active(z0))
active(add(z0, z1)) → add(active(z0), z1)
active(add(z0, z1)) → add(z0, active(z1))
active(dbl(z0)) → dbl(active(z0))
active(first(z0, z1)) → first(active(z0), z1)
active(first(z0, z1)) → first(z0, active(z1))
cons(ok(z0), ok(z1)) → ok(cons(z0, z1))
cons(mark(z0), z1) → mark(cons(z0, z1))
first(z0, mark(z1)) → mark(first(z0, z1))
first(mark(z0), z1) → mark(first(z0, z1))
first(ok(z0), ok(z1)) → ok(first(z0, z1))
terms(mark(z0)) → mark(terms(z0))
terms(ok(z0)) → ok(terms(z0))
recip(mark(z0)) → mark(recip(z0))
recip(ok(z0)) → ok(recip(z0))
sqr(mark(z0)) → mark(sqr(z0))
sqr(ok(z0)) → ok(sqr(z0))
s(mark(z0)) → mark(s(z0))
s(ok(z0)) → ok(s(z0))
add(mark(z0), z1) → mark(add(z0, z1))
add(ok(z0), ok(z1)) → ok(add(z0, z1))
add(z0, mark(z1)) → mark(add(z0, z1))
dbl(mark(z0)) → mark(dbl(z0))
dbl(ok(z0)) → ok(dbl(z0))
proper(terms(z0)) → terms(proper(z0))
proper(cons(z0, z1)) → cons(proper(z0), proper(z1))
proper(recip(z0)) → recip(proper(z0))
proper(sqr(z0)) → sqr(proper(z0))
proper(s(z0)) → s(proper(z0))
proper(0) → ok(0)
proper(add(z0, z1)) → add(proper(z0), proper(z1))
proper(dbl(z0)) → dbl(proper(z0))
proper(first(z0, z1)) → first(proper(z0), proper(z1))
proper(nil) → ok(nil)
Tuples:

ACTIVE(add(z0, z1)) → c14(ADD(active(z0), z1), ACTIVE(z0))
ACTIVE(add(z0, z1)) → c15(ADD(z0, active(z1)), ACTIVE(z1))
ACTIVE(first(z0, z1)) → c17(FIRST(active(z0), z1), ACTIVE(z0))
ACTIVE(first(z0, z1)) → c18(FIRST(z0, active(z1)), ACTIVE(z1))
TERMS(mark(z0)) → c19(TERMS(z0))
TERMS(ok(z0)) → c20(TERMS(z0))
CONS(mark(z0), z1) → c21(CONS(z0, z1))
CONS(ok(z0), ok(z1)) → c22(CONS(z0, z1))
RECIP(mark(z0)) → c23(RECIP(z0))
RECIP(ok(z0)) → c24(RECIP(z0))
SQR(mark(z0)) → c25(SQR(z0))
SQR(ok(z0)) → c26(SQR(z0))
S(mark(z0)) → c27(S(z0))
S(ok(z0)) → c28(S(z0))
ADD(mark(z0), z1) → c29(ADD(z0, z1))
ADD(z0, mark(z1)) → c30(ADD(z0, z1))
ADD(ok(z0), ok(z1)) → c31(ADD(z0, z1))
DBL(mark(z0)) → c32(DBL(z0))
DBL(ok(z0)) → c33(DBL(z0))
FIRST(mark(z0), z1) → c34(FIRST(z0, z1))
FIRST(z0, mark(z1)) → c35(FIRST(z0, z1))
FIRST(ok(z0), ok(z1)) → c36(FIRST(z0, z1))
PROPER(first(z0, z1)) → c45(FIRST(proper(z0), proper(z1)), PROPER(z0), PROPER(z1))
TOP(mark(z0)) → c47(TOP(proper(z0)), PROPER(z0))
TOP(ok(z0)) → c48(TOP(active(z0)), ACTIVE(z0))
ACTIVE(dbl(s(z0))) → c4(DBL(z0))
ACTIVE(add(s(z0), z1)) → c6(ADD(z0, z1))
ACTIVE(first(s(z0), cons(z1, z2))) → c1(CONS(z1, first(z0, z2)))
ACTIVE(first(s(z0), cons(z1, z2))) → c1(FIRST(z0, z2))
ACTIVE(terms(z0)) → c1(SQR(z0))
ACTIVE(terms(z0)) → c1(S(z0))
ACTIVE(sqr(s(z0))) → c1(SQR(z0))
ACTIVE(sqr(s(z0))) → c1(DBL(z0))
ACTIVE(terms(terms(z0))) → c9(TERMS(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(terms(sqr(s(z0)))) → c9(TERMS(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(terms(dbl(s(z0)))) → c9(TERMS(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(terms(add(0, z0))) → c9(TERMS(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(terms(add(s(z0), z1))) → c9(TERMS(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(terms(first(0, z0))) → c9(TERMS(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(terms(first(s(z0), cons(z1, z2)))) → c9(TERMS(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(terms(terms(z0))) → c9(TERMS(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(terms(cons(z0, z1))) → c9(TERMS(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(terms(recip(z0))) → c9(TERMS(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(terms(sqr(z0))) → c9(TERMS(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(terms(s(z0))) → c9(TERMS(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(terms(add(z0, z1))) → c9(TERMS(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(terms(add(z0, z1))) → c9(TERMS(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(terms(dbl(z0))) → c9(TERMS(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(terms(first(z0, z1))) → c9(TERMS(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(terms(first(z0, z1))) → c9(TERMS(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(cons(terms(z0), x1)) → c10(CONS(mark(cons(recip(sqr(z0)), terms(s(z0)))), x1), ACTIVE(terms(z0)))
ACTIVE(cons(sqr(s(z0)), x1)) → c10(CONS(mark(s(add(sqr(z0), dbl(z0)))), x1), ACTIVE(sqr(s(z0))))
ACTIVE(cons(dbl(s(z0)), x1)) → c10(CONS(mark(s(s(dbl(z0)))), x1), ACTIVE(dbl(s(z0))))
ACTIVE(cons(add(0, z0), x1)) → c10(CONS(mark(z0), x1), ACTIVE(add(0, z0)))
ACTIVE(cons(add(s(z0), z1), x1)) → c10(CONS(mark(s(add(z0, z1))), x1), ACTIVE(add(s(z0), z1)))
ACTIVE(cons(first(0, z0), x1)) → c10(CONS(mark(nil), x1), ACTIVE(first(0, z0)))
ACTIVE(cons(first(s(z0), cons(z1, z2)), x1)) → c10(CONS(mark(cons(z1, first(z0, z2))), x1), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(cons(terms(z0), x1)) → c10(CONS(terms(active(z0)), x1), ACTIVE(terms(z0)))
ACTIVE(cons(cons(z0, z1), x1)) → c10(CONS(cons(active(z0), z1), x1), ACTIVE(cons(z0, z1)))
ACTIVE(cons(recip(z0), x1)) → c10(CONS(recip(active(z0)), x1), ACTIVE(recip(z0)))
ACTIVE(cons(sqr(z0), x1)) → c10(CONS(sqr(active(z0)), x1), ACTIVE(sqr(z0)))
ACTIVE(cons(s(z0), x1)) → c10(CONS(s(active(z0)), x1), ACTIVE(s(z0)))
ACTIVE(cons(add(z0, z1), x1)) → c10(CONS(add(active(z0), z1), x1), ACTIVE(add(z0, z1)))
ACTIVE(cons(add(z0, z1), x1)) → c10(CONS(add(z0, active(z1)), x1), ACTIVE(add(z0, z1)))
ACTIVE(cons(dbl(z0), x1)) → c10(CONS(dbl(active(z0)), x1), ACTIVE(dbl(z0)))
ACTIVE(cons(first(z0, z1), x1)) → c10(CONS(first(active(z0), z1), x1), ACTIVE(first(z0, z1)))
ACTIVE(cons(first(z0, z1), x1)) → c10(CONS(first(z0, active(z1)), x1), ACTIVE(first(z0, z1)))
ACTIVE(recip(terms(z0))) → c11(RECIP(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(recip(sqr(s(z0)))) → c11(RECIP(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(recip(dbl(s(z0)))) → c11(RECIP(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(recip(add(0, z0))) → c11(RECIP(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(recip(add(s(z0), z1))) → c11(RECIP(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(recip(first(0, z0))) → c11(RECIP(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(recip(first(s(z0), cons(z1, z2)))) → c11(RECIP(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(recip(terms(z0))) → c11(RECIP(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(recip(cons(z0, z1))) → c11(RECIP(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(recip(recip(z0))) → c11(RECIP(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(recip(sqr(z0))) → c11(RECIP(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(recip(s(z0))) → c11(RECIP(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(recip(add(z0, z1))) → c11(RECIP(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(recip(add(z0, z1))) → c11(RECIP(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(recip(dbl(z0))) → c11(RECIP(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(recip(first(z0, z1))) → c11(RECIP(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(recip(first(z0, z1))) → c11(RECIP(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(sqr(terms(z0))) → c12(SQR(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(sqr(sqr(s(z0)))) → c12(SQR(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(sqr(dbl(s(z0)))) → c12(SQR(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(sqr(add(0, z0))) → c12(SQR(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(sqr(add(s(z0), z1))) → c12(SQR(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(sqr(first(0, z0))) → c12(SQR(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(sqr(first(s(z0), cons(z1, z2)))) → c12(SQR(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(sqr(terms(z0))) → c12(SQR(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(sqr(cons(z0, z1))) → c12(SQR(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(sqr(recip(z0))) → c12(SQR(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(sqr(sqr(z0))) → c12(SQR(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(sqr(s(z0))) → c12(SQR(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(sqr(add(z0, z1))) → c12(SQR(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(sqr(add(z0, z1))) → c12(SQR(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(sqr(dbl(z0))) → c12(SQR(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(sqr(first(z0, z1))) → c12(SQR(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(sqr(first(z0, z1))) → c12(SQR(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(terms(sqr(0))) → c9(TERMS(mark(0)))
ACTIVE(cons(sqr(0), x1)) → c10(CONS(mark(0), x1))
ACTIVE(recip(sqr(0))) → c11(RECIP(mark(0)))
ACTIVE(sqr(sqr(0))) → c12(SQR(mark(0)))
ACTIVE(s(terms(z0))) → c13(S(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(s(sqr(s(z0)))) → c13(S(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(s(dbl(s(z0)))) → c13(S(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(s(add(0, z0))) → c13(S(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(s(add(s(z0), z1))) → c13(S(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(s(first(0, z0))) → c13(S(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(s(first(s(z0), cons(z1, z2)))) → c13(S(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(s(terms(z0))) → c13(S(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(s(cons(z0, z1))) → c13(S(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(s(recip(z0))) → c13(S(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(s(sqr(z0))) → c13(S(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(s(s(z0))) → c13(S(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(s(add(z0, z1))) → c13(S(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(s(add(z0, z1))) → c13(S(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(s(dbl(z0))) → c13(S(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(s(first(z0, z1))) → c13(S(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(s(first(z0, z1))) → c13(S(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(s(sqr(0))) → c13(S(mark(0)))
ACTIVE(dbl(terms(z0))) → c16(DBL(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(dbl(sqr(s(z0)))) → c16(DBL(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(dbl(dbl(s(z0)))) → c16(DBL(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(dbl(add(0, z0))) → c16(DBL(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(dbl(add(s(z0), z1))) → c16(DBL(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(dbl(first(0, z0))) → c16(DBL(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(dbl(first(s(z0), cons(z1, z2)))) → c16(DBL(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(dbl(terms(z0))) → c16(DBL(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(dbl(cons(z0, z1))) → c16(DBL(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(dbl(recip(z0))) → c16(DBL(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(dbl(sqr(z0))) → c16(DBL(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(dbl(s(z0))) → c16(DBL(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(dbl(add(z0, z1))) → c16(DBL(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(dbl(add(z0, z1))) → c16(DBL(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(dbl(dbl(z0))) → c16(DBL(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(dbl(first(z0, z1))) → c16(DBL(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(dbl(first(z0, z1))) → c16(DBL(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(terms(dbl(0))) → c9(TERMS(mark(0)))
ACTIVE(cons(dbl(0), x1)) → c10(CONS(mark(0), x1))
ACTIVE(recip(dbl(0))) → c11(RECIP(mark(0)))
ACTIVE(sqr(dbl(0))) → c12(SQR(mark(0)))
ACTIVE(s(dbl(0))) → c13(S(mark(0)))
ACTIVE(dbl(sqr(0))) → c16(DBL(mark(0)))
ACTIVE(dbl(dbl(0))) → c16(DBL(mark(0)))
PROPER(terms(terms(z0))) → c37(TERMS(terms(proper(z0))), PROPER(terms(z0)))
PROPER(terms(cons(z0, z1))) → c37(TERMS(cons(proper(z0), proper(z1))), PROPER(cons(z0, z1)))
PROPER(terms(recip(z0))) → c37(TERMS(recip(proper(z0))), PROPER(recip(z0)))
PROPER(terms(sqr(z0))) → c37(TERMS(sqr(proper(z0))), PROPER(sqr(z0)))
PROPER(terms(s(z0))) → c37(TERMS(s(proper(z0))), PROPER(s(z0)))
PROPER(terms(add(z0, z1))) → c37(TERMS(add(proper(z0), proper(z1))), PROPER(add(z0, z1)))
PROPER(terms(dbl(z0))) → c37(TERMS(dbl(proper(z0))), PROPER(dbl(z0)))
PROPER(terms(first(z0, z1))) → c37(TERMS(first(proper(z0), proper(z1))), PROPER(first(z0, z1)))
PROPER(terms(0)) → c37(TERMS(ok(0)))
PROPER(terms(nil)) → c37(TERMS(ok(nil)))
PROPER(cons(x0, terms(z0))) → c38(CONS(proper(x0), terms(proper(z0))), PROPER(x0), PROPER(terms(z0)))
PROPER(cons(x0, cons(z0, z1))) → c38(CONS(proper(x0), cons(proper(z0), proper(z1))), PROPER(x0), PROPER(cons(z0, z1)))
PROPER(cons(x0, recip(z0))) → c38(CONS(proper(x0), recip(proper(z0))), PROPER(x0), PROPER(recip(z0)))
PROPER(cons(x0, sqr(z0))) → c38(CONS(proper(x0), sqr(proper(z0))), PROPER(x0), PROPER(sqr(z0)))
PROPER(cons(x0, s(z0))) → c38(CONS(proper(x0), s(proper(z0))), PROPER(x0), PROPER(s(z0)))
PROPER(cons(x0, add(z0, z1))) → c38(CONS(proper(x0), add(proper(z0), proper(z1))), PROPER(x0), PROPER(add(z0, z1)))
PROPER(cons(x0, dbl(z0))) → c38(CONS(proper(x0), dbl(proper(z0))), PROPER(x0), PROPER(dbl(z0)))
PROPER(cons(x0, first(z0, z1))) → c38(CONS(proper(x0), first(proper(z0), proper(z1))), PROPER(x0), PROPER(first(z0, z1)))
PROPER(cons(terms(z0), x1)) → c38(CONS(terms(proper(z0)), proper(x1)), PROPER(terms(z0)), PROPER(x1))
PROPER(cons(cons(z0, z1), x1)) → c38(CONS(cons(proper(z0), proper(z1)), proper(x1)), PROPER(cons(z0, z1)), PROPER(x1))
PROPER(cons(recip(z0), x1)) → c38(CONS(recip(proper(z0)), proper(x1)), PROPER(recip(z0)), PROPER(x1))
PROPER(cons(sqr(z0), x1)) → c38(CONS(sqr(proper(z0)), proper(x1)), PROPER(sqr(z0)), PROPER(x1))
PROPER(cons(s(z0), x1)) → c38(CONS(s(proper(z0)), proper(x1)), PROPER(s(z0)), PROPER(x1))
PROPER(cons(add(z0, z1), x1)) → c38(CONS(add(proper(z0), proper(z1)), proper(x1)), PROPER(add(z0, z1)), PROPER(x1))
PROPER(cons(dbl(z0), x1)) → c38(CONS(dbl(proper(z0)), proper(x1)), PROPER(dbl(z0)), PROPER(x1))
PROPER(cons(first(z0, z1), x1)) → c38(CONS(first(proper(z0), proper(z1)), proper(x1)), PROPER(first(z0, z1)), PROPER(x1))
PROPER(cons(x0, 0)) → c38(CONS(proper(x0), ok(0)), PROPER(x0))
PROPER(cons(x0, nil)) → c38(CONS(proper(x0), ok(nil)), PROPER(x0))
PROPER(cons(0, x1)) → c38(CONS(ok(0), proper(x1)), PROPER(x1))
PROPER(cons(nil, x1)) → c38(CONS(ok(nil), proper(x1)), PROPER(x1))
PROPER(recip(terms(z0))) → c39(RECIP(terms(proper(z0))), PROPER(terms(z0)))
PROPER(recip(cons(z0, z1))) → c39(RECIP(cons(proper(z0), proper(z1))), PROPER(cons(z0, z1)))
PROPER(recip(recip(z0))) → c39(RECIP(recip(proper(z0))), PROPER(recip(z0)))
PROPER(recip(sqr(z0))) → c39(RECIP(sqr(proper(z0))), PROPER(sqr(z0)))
PROPER(recip(s(z0))) → c39(RECIP(s(proper(z0))), PROPER(s(z0)))
PROPER(recip(add(z0, z1))) → c39(RECIP(add(proper(z0), proper(z1))), PROPER(add(z0, z1)))
PROPER(recip(dbl(z0))) → c39(RECIP(dbl(proper(z0))), PROPER(dbl(z0)))
PROPER(recip(first(z0, z1))) → c39(RECIP(first(proper(z0), proper(z1))), PROPER(first(z0, z1)))
PROPER(recip(0)) → c39(RECIP(ok(0)))
PROPER(recip(nil)) → c39(RECIP(ok(nil)))
PROPER(sqr(terms(z0))) → c40(SQR(terms(proper(z0))), PROPER(terms(z0)))
PROPER(sqr(cons(z0, z1))) → c40(SQR(cons(proper(z0), proper(z1))), PROPER(cons(z0, z1)))
PROPER(sqr(recip(z0))) → c40(SQR(recip(proper(z0))), PROPER(recip(z0)))
PROPER(sqr(sqr(z0))) → c40(SQR(sqr(proper(z0))), PROPER(sqr(z0)))
PROPER(sqr(s(z0))) → c40(SQR(s(proper(z0))), PROPER(s(z0)))
PROPER(sqr(add(z0, z1))) → c40(SQR(add(proper(z0), proper(z1))), PROPER(add(z0, z1)))
PROPER(sqr(dbl(z0))) → c40(SQR(dbl(proper(z0))), PROPER(dbl(z0)))
PROPER(sqr(first(z0, z1))) → c40(SQR(first(proper(z0), proper(z1))), PROPER(first(z0, z1)))
PROPER(sqr(0)) → c40(SQR(ok(0)))
PROPER(sqr(nil)) → c40(SQR(ok(nil)))
PROPER(s(terms(z0))) → c41(S(terms(proper(z0))), PROPER(terms(z0)))
PROPER(s(cons(z0, z1))) → c41(S(cons(proper(z0), proper(z1))), PROPER(cons(z0, z1)))
PROPER(s(recip(z0))) → c41(S(recip(proper(z0))), PROPER(recip(z0)))
PROPER(s(sqr(z0))) → c41(S(sqr(proper(z0))), PROPER(sqr(z0)))
PROPER(s(s(z0))) → c41(S(s(proper(z0))), PROPER(s(z0)))
PROPER(s(add(z0, z1))) → c41(S(add(proper(z0), proper(z1))), PROPER(add(z0, z1)))
PROPER(s(dbl(z0))) → c41(S(dbl(proper(z0))), PROPER(dbl(z0)))
PROPER(s(first(z0, z1))) → c41(S(first(proper(z0), proper(z1))), PROPER(first(z0, z1)))
PROPER(s(0)) → c41(S(ok(0)))
PROPER(s(nil)) → c41(S(ok(nil)))
PROPER(add(x0, terms(z0))) → c43(ADD(proper(x0), terms(proper(z0))), PROPER(x0), PROPER(terms(z0)))
PROPER(add(x0, cons(z0, z1))) → c43(ADD(proper(x0), cons(proper(z0), proper(z1))), PROPER(x0), PROPER(cons(z0, z1)))
PROPER(add(x0, recip(z0))) → c43(ADD(proper(x0), recip(proper(z0))), PROPER(x0), PROPER(recip(z0)))
PROPER(add(x0, sqr(z0))) → c43(ADD(proper(x0), sqr(proper(z0))), PROPER(x0), PROPER(sqr(z0)))
PROPER(add(x0, s(z0))) → c43(ADD(proper(x0), s(proper(z0))), PROPER(x0), PROPER(s(z0)))
PROPER(add(x0, add(z0, z1))) → c43(ADD(proper(x0), add(proper(z0), proper(z1))), PROPER(x0), PROPER(add(z0, z1)))
PROPER(add(x0, dbl(z0))) → c43(ADD(proper(x0), dbl(proper(z0))), PROPER(x0), PROPER(dbl(z0)))
PROPER(add(x0, first(z0, z1))) → c43(ADD(proper(x0), first(proper(z0), proper(z1))), PROPER(x0), PROPER(first(z0, z1)))
PROPER(add(terms(z0), x1)) → c43(ADD(terms(proper(z0)), proper(x1)), PROPER(terms(z0)), PROPER(x1))
PROPER(add(cons(z0, z1), x1)) → c43(ADD(cons(proper(z0), proper(z1)), proper(x1)), PROPER(cons(z0, z1)), PROPER(x1))
PROPER(add(recip(z0), x1)) → c43(ADD(recip(proper(z0)), proper(x1)), PROPER(recip(z0)), PROPER(x1))
PROPER(add(sqr(z0), x1)) → c43(ADD(sqr(proper(z0)), proper(x1)), PROPER(sqr(z0)), PROPER(x1))
PROPER(add(s(z0), x1)) → c43(ADD(s(proper(z0)), proper(x1)), PROPER(s(z0)), PROPER(x1))
PROPER(add(add(z0, z1), x1)) → c43(ADD(add(proper(z0), proper(z1)), proper(x1)), PROPER(add(z0, z1)), PROPER(x1))
PROPER(add(dbl(z0), x1)) → c43(ADD(dbl(proper(z0)), proper(x1)), PROPER(dbl(z0)), PROPER(x1))
PROPER(add(first(z0, z1), x1)) → c43(ADD(first(proper(z0), proper(z1)), proper(x1)), PROPER(first(z0, z1)), PROPER(x1))
PROPER(add(x0, 0)) → c43(ADD(proper(x0), ok(0)), PROPER(x0))
PROPER(add(x0, nil)) → c43(ADD(proper(x0), ok(nil)), PROPER(x0))
PROPER(add(0, x1)) → c43(ADD(ok(0), proper(x1)), PROPER(x1))
PROPER(add(nil, x1)) → c43(ADD(ok(nil), proper(x1)), PROPER(x1))
PROPER(dbl(terms(z0))) → c44(DBL(terms(proper(z0))), PROPER(terms(z0)))
PROPER(dbl(cons(z0, z1))) → c44(DBL(cons(proper(z0), proper(z1))), PROPER(cons(z0, z1)))
PROPER(dbl(recip(z0))) → c44(DBL(recip(proper(z0))), PROPER(recip(z0)))
PROPER(dbl(sqr(z0))) → c44(DBL(sqr(proper(z0))), PROPER(sqr(z0)))
PROPER(dbl(s(z0))) → c44(DBL(s(proper(z0))), PROPER(s(z0)))
PROPER(dbl(0)) → c44(DBL(ok(0)), PROPER(0))
PROPER(dbl(add(z0, z1))) → c44(DBL(add(proper(z0), proper(z1))), PROPER(add(z0, z1)))
PROPER(dbl(dbl(z0))) → c44(DBL(dbl(proper(z0))), PROPER(dbl(z0)))
PROPER(dbl(first(z0, z1))) → c44(DBL(first(proper(z0), proper(z1))), PROPER(first(z0, z1)))
PROPER(dbl(nil)) → c44(DBL(ok(nil)), PROPER(nil))
S tuples:

ACTIVE(add(z0, z1)) → c14(ADD(active(z0), z1), ACTIVE(z0))
ACTIVE(add(z0, z1)) → c15(ADD(z0, active(z1)), ACTIVE(z1))
ACTIVE(first(z0, z1)) → c17(FIRST(active(z0), z1), ACTIVE(z0))
ACTIVE(first(z0, z1)) → c18(FIRST(z0, active(z1)), ACTIVE(z1))
TERMS(mark(z0)) → c19(TERMS(z0))
TERMS(ok(z0)) → c20(TERMS(z0))
CONS(mark(z0), z1) → c21(CONS(z0, z1))
CONS(ok(z0), ok(z1)) → c22(CONS(z0, z1))
RECIP(mark(z0)) → c23(RECIP(z0))
RECIP(ok(z0)) → c24(RECIP(z0))
SQR(mark(z0)) → c25(SQR(z0))
SQR(ok(z0)) → c26(SQR(z0))
S(mark(z0)) → c27(S(z0))
S(ok(z0)) → c28(S(z0))
ADD(mark(z0), z1) → c29(ADD(z0, z1))
ADD(z0, mark(z1)) → c30(ADD(z0, z1))
ADD(ok(z0), ok(z1)) → c31(ADD(z0, z1))
DBL(mark(z0)) → c32(DBL(z0))
DBL(ok(z0)) → c33(DBL(z0))
FIRST(mark(z0), z1) → c34(FIRST(z0, z1))
FIRST(z0, mark(z1)) → c35(FIRST(z0, z1))
FIRST(ok(z0), ok(z1)) → c36(FIRST(z0, z1))
PROPER(first(z0, z1)) → c45(FIRST(proper(z0), proper(z1)), PROPER(z0), PROPER(z1))
TOP(mark(z0)) → c47(TOP(proper(z0)), PROPER(z0))
TOP(ok(z0)) → c48(TOP(active(z0)), ACTIVE(z0))
ACTIVE(dbl(s(z0))) → c4(DBL(z0))
ACTIVE(add(s(z0), z1)) → c6(ADD(z0, z1))
ACTIVE(first(s(z0), cons(z1, z2))) → c1(CONS(z1, first(z0, z2)))
ACTIVE(first(s(z0), cons(z1, z2))) → c1(FIRST(z0, z2))
ACTIVE(terms(z0)) → c1(SQR(z0))
ACTIVE(terms(z0)) → c1(S(z0))
ACTIVE(sqr(s(z0))) → c1(SQR(z0))
ACTIVE(sqr(s(z0))) → c1(DBL(z0))
ACTIVE(terms(terms(z0))) → c9(TERMS(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(terms(sqr(s(z0)))) → c9(TERMS(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(terms(dbl(s(z0)))) → c9(TERMS(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(terms(add(0, z0))) → c9(TERMS(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(terms(add(s(z0), z1))) → c9(TERMS(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(terms(first(0, z0))) → c9(TERMS(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(terms(first(s(z0), cons(z1, z2)))) → c9(TERMS(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(terms(terms(z0))) → c9(TERMS(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(terms(cons(z0, z1))) → c9(TERMS(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(terms(recip(z0))) → c9(TERMS(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(terms(sqr(z0))) → c9(TERMS(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(terms(s(z0))) → c9(TERMS(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(terms(add(z0, z1))) → c9(TERMS(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(terms(add(z0, z1))) → c9(TERMS(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(terms(dbl(z0))) → c9(TERMS(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(terms(first(z0, z1))) → c9(TERMS(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(terms(first(z0, z1))) → c9(TERMS(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(cons(terms(z0), x1)) → c10(CONS(mark(cons(recip(sqr(z0)), terms(s(z0)))), x1), ACTIVE(terms(z0)))
ACTIVE(cons(sqr(s(z0)), x1)) → c10(CONS(mark(s(add(sqr(z0), dbl(z0)))), x1), ACTIVE(sqr(s(z0))))
ACTIVE(cons(dbl(s(z0)), x1)) → c10(CONS(mark(s(s(dbl(z0)))), x1), ACTIVE(dbl(s(z0))))
ACTIVE(cons(add(0, z0), x1)) → c10(CONS(mark(z0), x1), ACTIVE(add(0, z0)))
ACTIVE(cons(add(s(z0), z1), x1)) → c10(CONS(mark(s(add(z0, z1))), x1), ACTIVE(add(s(z0), z1)))
ACTIVE(cons(first(0, z0), x1)) → c10(CONS(mark(nil), x1), ACTIVE(first(0, z0)))
ACTIVE(cons(first(s(z0), cons(z1, z2)), x1)) → c10(CONS(mark(cons(z1, first(z0, z2))), x1), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(cons(terms(z0), x1)) → c10(CONS(terms(active(z0)), x1), ACTIVE(terms(z0)))
ACTIVE(cons(cons(z0, z1), x1)) → c10(CONS(cons(active(z0), z1), x1), ACTIVE(cons(z0, z1)))
ACTIVE(cons(recip(z0), x1)) → c10(CONS(recip(active(z0)), x1), ACTIVE(recip(z0)))
ACTIVE(cons(sqr(z0), x1)) → c10(CONS(sqr(active(z0)), x1), ACTIVE(sqr(z0)))
ACTIVE(cons(s(z0), x1)) → c10(CONS(s(active(z0)), x1), ACTIVE(s(z0)))
ACTIVE(cons(add(z0, z1), x1)) → c10(CONS(add(active(z0), z1), x1), ACTIVE(add(z0, z1)))
ACTIVE(cons(add(z0, z1), x1)) → c10(CONS(add(z0, active(z1)), x1), ACTIVE(add(z0, z1)))
ACTIVE(cons(dbl(z0), x1)) → c10(CONS(dbl(active(z0)), x1), ACTIVE(dbl(z0)))
ACTIVE(cons(first(z0, z1), x1)) → c10(CONS(first(active(z0), z1), x1), ACTIVE(first(z0, z1)))
ACTIVE(cons(first(z0, z1), x1)) → c10(CONS(first(z0, active(z1)), x1), ACTIVE(first(z0, z1)))
ACTIVE(recip(terms(z0))) → c11(RECIP(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(recip(sqr(s(z0)))) → c11(RECIP(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(recip(dbl(s(z0)))) → c11(RECIP(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(recip(add(0, z0))) → c11(RECIP(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(recip(add(s(z0), z1))) → c11(RECIP(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(recip(first(0, z0))) → c11(RECIP(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(recip(first(s(z0), cons(z1, z2)))) → c11(RECIP(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(recip(terms(z0))) → c11(RECIP(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(recip(cons(z0, z1))) → c11(RECIP(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(recip(recip(z0))) → c11(RECIP(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(recip(sqr(z0))) → c11(RECIP(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(recip(s(z0))) → c11(RECIP(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(recip(add(z0, z1))) → c11(RECIP(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(recip(add(z0, z1))) → c11(RECIP(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(recip(dbl(z0))) → c11(RECIP(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(recip(first(z0, z1))) → c11(RECIP(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(recip(first(z0, z1))) → c11(RECIP(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(sqr(terms(z0))) → c12(SQR(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(sqr(sqr(s(z0)))) → c12(SQR(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(sqr(dbl(s(z0)))) → c12(SQR(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(sqr(add(0, z0))) → c12(SQR(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(sqr(add(s(z0), z1))) → c12(SQR(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(sqr(first(0, z0))) → c12(SQR(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(sqr(first(s(z0), cons(z1, z2)))) → c12(SQR(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(sqr(terms(z0))) → c12(SQR(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(sqr(cons(z0, z1))) → c12(SQR(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(sqr(recip(z0))) → c12(SQR(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(sqr(sqr(z0))) → c12(SQR(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(sqr(s(z0))) → c12(SQR(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(sqr(add(z0, z1))) → c12(SQR(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(sqr(add(z0, z1))) → c12(SQR(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(sqr(dbl(z0))) → c12(SQR(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(sqr(first(z0, z1))) → c12(SQR(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(sqr(first(z0, z1))) → c12(SQR(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(terms(sqr(0))) → c9(TERMS(mark(0)))
ACTIVE(cons(sqr(0), x1)) → c10(CONS(mark(0), x1))
ACTIVE(recip(sqr(0))) → c11(RECIP(mark(0)))
ACTIVE(sqr(sqr(0))) → c12(SQR(mark(0)))
ACTIVE(s(terms(z0))) → c13(S(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(s(sqr(s(z0)))) → c13(S(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(s(dbl(s(z0)))) → c13(S(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(s(add(0, z0))) → c13(S(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(s(add(s(z0), z1))) → c13(S(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(s(first(0, z0))) → c13(S(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(s(first(s(z0), cons(z1, z2)))) → c13(S(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(s(terms(z0))) → c13(S(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(s(cons(z0, z1))) → c13(S(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(s(recip(z0))) → c13(S(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(s(sqr(z0))) → c13(S(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(s(s(z0))) → c13(S(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(s(add(z0, z1))) → c13(S(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(s(add(z0, z1))) → c13(S(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(s(dbl(z0))) → c13(S(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(s(first(z0, z1))) → c13(S(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(s(first(z0, z1))) → c13(S(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(s(sqr(0))) → c13(S(mark(0)))
ACTIVE(dbl(terms(z0))) → c16(DBL(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(dbl(sqr(s(z0)))) → c16(DBL(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(dbl(dbl(s(z0)))) → c16(DBL(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(dbl(add(0, z0))) → c16(DBL(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(dbl(add(s(z0), z1))) → c16(DBL(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(dbl(first(0, z0))) → c16(DBL(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(dbl(first(s(z0), cons(z1, z2)))) → c16(DBL(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(dbl(terms(z0))) → c16(DBL(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(dbl(cons(z0, z1))) → c16(DBL(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(dbl(recip(z0))) → c16(DBL(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(dbl(sqr(z0))) → c16(DBL(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(dbl(s(z0))) → c16(DBL(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(dbl(add(z0, z1))) → c16(DBL(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(dbl(add(z0, z1))) → c16(DBL(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(dbl(dbl(z0))) → c16(DBL(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(dbl(first(z0, z1))) → c16(DBL(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(dbl(first(z0, z1))) → c16(DBL(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(terms(dbl(0))) → c9(TERMS(mark(0)))
ACTIVE(cons(dbl(0), x1)) → c10(CONS(mark(0), x1))
ACTIVE(recip(dbl(0))) → c11(RECIP(mark(0)))
ACTIVE(sqr(dbl(0))) → c12(SQR(mark(0)))
ACTIVE(s(dbl(0))) → c13(S(mark(0)))
ACTIVE(dbl(sqr(0))) → c16(DBL(mark(0)))
ACTIVE(dbl(dbl(0))) → c16(DBL(mark(0)))
PROPER(terms(terms(z0))) → c37(TERMS(terms(proper(z0))), PROPER(terms(z0)))
PROPER(terms(cons(z0, z1))) → c37(TERMS(cons(proper(z0), proper(z1))), PROPER(cons(z0, z1)))
PROPER(terms(recip(z0))) → c37(TERMS(recip(proper(z0))), PROPER(recip(z0)))
PROPER(terms(sqr(z0))) → c37(TERMS(sqr(proper(z0))), PROPER(sqr(z0)))
PROPER(terms(s(z0))) → c37(TERMS(s(proper(z0))), PROPER(s(z0)))
PROPER(terms(add(z0, z1))) → c37(TERMS(add(proper(z0), proper(z1))), PROPER(add(z0, z1)))
PROPER(terms(dbl(z0))) → c37(TERMS(dbl(proper(z0))), PROPER(dbl(z0)))
PROPER(terms(first(z0, z1))) → c37(TERMS(first(proper(z0), proper(z1))), PROPER(first(z0, z1)))
PROPER(terms(0)) → c37(TERMS(ok(0)))
PROPER(terms(nil)) → c37(TERMS(ok(nil)))
PROPER(cons(x0, terms(z0))) → c38(CONS(proper(x0), terms(proper(z0))), PROPER(x0), PROPER(terms(z0)))
PROPER(cons(x0, cons(z0, z1))) → c38(CONS(proper(x0), cons(proper(z0), proper(z1))), PROPER(x0), PROPER(cons(z0, z1)))
PROPER(cons(x0, recip(z0))) → c38(CONS(proper(x0), recip(proper(z0))), PROPER(x0), PROPER(recip(z0)))
PROPER(cons(x0, sqr(z0))) → c38(CONS(proper(x0), sqr(proper(z0))), PROPER(x0), PROPER(sqr(z0)))
PROPER(cons(x0, s(z0))) → c38(CONS(proper(x0), s(proper(z0))), PROPER(x0), PROPER(s(z0)))
PROPER(cons(x0, add(z0, z1))) → c38(CONS(proper(x0), add(proper(z0), proper(z1))), PROPER(x0), PROPER(add(z0, z1)))
PROPER(cons(x0, dbl(z0))) → c38(CONS(proper(x0), dbl(proper(z0))), PROPER(x0), PROPER(dbl(z0)))
PROPER(cons(x0, first(z0, z1))) → c38(CONS(proper(x0), first(proper(z0), proper(z1))), PROPER(x0), PROPER(first(z0, z1)))
PROPER(cons(terms(z0), x1)) → c38(CONS(terms(proper(z0)), proper(x1)), PROPER(terms(z0)), PROPER(x1))
PROPER(cons(cons(z0, z1), x1)) → c38(CONS(cons(proper(z0), proper(z1)), proper(x1)), PROPER(cons(z0, z1)), PROPER(x1))
PROPER(cons(recip(z0), x1)) → c38(CONS(recip(proper(z0)), proper(x1)), PROPER(recip(z0)), PROPER(x1))
PROPER(cons(sqr(z0), x1)) → c38(CONS(sqr(proper(z0)), proper(x1)), PROPER(sqr(z0)), PROPER(x1))
PROPER(cons(s(z0), x1)) → c38(CONS(s(proper(z0)), proper(x1)), PROPER(s(z0)), PROPER(x1))
PROPER(cons(add(z0, z1), x1)) → c38(CONS(add(proper(z0), proper(z1)), proper(x1)), PROPER(add(z0, z1)), PROPER(x1))
PROPER(cons(dbl(z0), x1)) → c38(CONS(dbl(proper(z0)), proper(x1)), PROPER(dbl(z0)), PROPER(x1))
PROPER(cons(first(z0, z1), x1)) → c38(CONS(first(proper(z0), proper(z1)), proper(x1)), PROPER(first(z0, z1)), PROPER(x1))
PROPER(cons(x0, 0)) → c38(CONS(proper(x0), ok(0)), PROPER(x0))
PROPER(cons(x0, nil)) → c38(CONS(proper(x0), ok(nil)), PROPER(x0))
PROPER(cons(0, x1)) → c38(CONS(ok(0), proper(x1)), PROPER(x1))
PROPER(cons(nil, x1)) → c38(CONS(ok(nil), proper(x1)), PROPER(x1))
PROPER(recip(terms(z0))) → c39(RECIP(terms(proper(z0))), PROPER(terms(z0)))
PROPER(recip(cons(z0, z1))) → c39(RECIP(cons(proper(z0), proper(z1))), PROPER(cons(z0, z1)))
PROPER(recip(recip(z0))) → c39(RECIP(recip(proper(z0))), PROPER(recip(z0)))
PROPER(recip(sqr(z0))) → c39(RECIP(sqr(proper(z0))), PROPER(sqr(z0)))
PROPER(recip(s(z0))) → c39(RECIP(s(proper(z0))), PROPER(s(z0)))
PROPER(recip(add(z0, z1))) → c39(RECIP(add(proper(z0), proper(z1))), PROPER(add(z0, z1)))
PROPER(recip(dbl(z0))) → c39(RECIP(dbl(proper(z0))), PROPER(dbl(z0)))
PROPER(recip(first(z0, z1))) → c39(RECIP(first(proper(z0), proper(z1))), PROPER(first(z0, z1)))
PROPER(recip(0)) → c39(RECIP(ok(0)))
PROPER(recip(nil)) → c39(RECIP(ok(nil)))
PROPER(sqr(terms(z0))) → c40(SQR(terms(proper(z0))), PROPER(terms(z0)))
PROPER(sqr(cons(z0, z1))) → c40(SQR(cons(proper(z0), proper(z1))), PROPER(cons(z0, z1)))
PROPER(sqr(recip(z0))) → c40(SQR(recip(proper(z0))), PROPER(recip(z0)))
PROPER(sqr(sqr(z0))) → c40(SQR(sqr(proper(z0))), PROPER(sqr(z0)))
PROPER(sqr(s(z0))) → c40(SQR(s(proper(z0))), PROPER(s(z0)))
PROPER(sqr(add(z0, z1))) → c40(SQR(add(proper(z0), proper(z1))), PROPER(add(z0, z1)))
PROPER(sqr(dbl(z0))) → c40(SQR(dbl(proper(z0))), PROPER(dbl(z0)))
PROPER(sqr(first(z0, z1))) → c40(SQR(first(proper(z0), proper(z1))), PROPER(first(z0, z1)))
PROPER(sqr(0)) → c40(SQR(ok(0)))
PROPER(sqr(nil)) → c40(SQR(ok(nil)))
PROPER(s(terms(z0))) → c41(S(terms(proper(z0))), PROPER(terms(z0)))
PROPER(s(cons(z0, z1))) → c41(S(cons(proper(z0), proper(z1))), PROPER(cons(z0, z1)))
PROPER(s(recip(z0))) → c41(S(recip(proper(z0))), PROPER(recip(z0)))
PROPER(s(sqr(z0))) → c41(S(sqr(proper(z0))), PROPER(sqr(z0)))
PROPER(s(s(z0))) → c41(S(s(proper(z0))), PROPER(s(z0)))
PROPER(s(add(z0, z1))) → c41(S(add(proper(z0), proper(z1))), PROPER(add(z0, z1)))
PROPER(s(dbl(z0))) → c41(S(dbl(proper(z0))), PROPER(dbl(z0)))
PROPER(s(first(z0, z1))) → c41(S(first(proper(z0), proper(z1))), PROPER(first(z0, z1)))
PROPER(s(0)) → c41(S(ok(0)))
PROPER(s(nil)) → c41(S(ok(nil)))
PROPER(add(x0, terms(z0))) → c43(ADD(proper(x0), terms(proper(z0))), PROPER(x0), PROPER(terms(z0)))
PROPER(add(x0, cons(z0, z1))) → c43(ADD(proper(x0), cons(proper(z0), proper(z1))), PROPER(x0), PROPER(cons(z0, z1)))
PROPER(add(x0, recip(z0))) → c43(ADD(proper(x0), recip(proper(z0))), PROPER(x0), PROPER(recip(z0)))
PROPER(add(x0, sqr(z0))) → c43(ADD(proper(x0), sqr(proper(z0))), PROPER(x0), PROPER(sqr(z0)))
PROPER(add(x0, s(z0))) → c43(ADD(proper(x0), s(proper(z0))), PROPER(x0), PROPER(s(z0)))
PROPER(add(x0, add(z0, z1))) → c43(ADD(proper(x0), add(proper(z0), proper(z1))), PROPER(x0), PROPER(add(z0, z1)))
PROPER(add(x0, dbl(z0))) → c43(ADD(proper(x0), dbl(proper(z0))), PROPER(x0), PROPER(dbl(z0)))
PROPER(add(x0, first(z0, z1))) → c43(ADD(proper(x0), first(proper(z0), proper(z1))), PROPER(x0), PROPER(first(z0, z1)))
PROPER(add(terms(z0), x1)) → c43(ADD(terms(proper(z0)), proper(x1)), PROPER(terms(z0)), PROPER(x1))
PROPER(add(cons(z0, z1), x1)) → c43(ADD(cons(proper(z0), proper(z1)), proper(x1)), PROPER(cons(z0, z1)), PROPER(x1))
PROPER(add(recip(z0), x1)) → c43(ADD(recip(proper(z0)), proper(x1)), PROPER(recip(z0)), PROPER(x1))
PROPER(add(sqr(z0), x1)) → c43(ADD(sqr(proper(z0)), proper(x1)), PROPER(sqr(z0)), PROPER(x1))
PROPER(add(s(z0), x1)) → c43(ADD(s(proper(z0)), proper(x1)), PROPER(s(z0)), PROPER(x1))
PROPER(add(add(z0, z1), x1)) → c43(ADD(add(proper(z0), proper(z1)), proper(x1)), PROPER(add(z0, z1)), PROPER(x1))
PROPER(add(dbl(z0), x1)) → c43(ADD(dbl(proper(z0)), proper(x1)), PROPER(dbl(z0)), PROPER(x1))
PROPER(add(first(z0, z1), x1)) → c43(ADD(first(proper(z0), proper(z1)), proper(x1)), PROPER(first(z0, z1)), PROPER(x1))
PROPER(add(x0, 0)) → c43(ADD(proper(x0), ok(0)), PROPER(x0))
PROPER(add(x0, nil)) → c43(ADD(proper(x0), ok(nil)), PROPER(x0))
PROPER(add(0, x1)) → c43(ADD(ok(0), proper(x1)), PROPER(x1))
PROPER(add(nil, x1)) → c43(ADD(ok(nil), proper(x1)), PROPER(x1))
PROPER(dbl(terms(z0))) → c44(DBL(terms(proper(z0))), PROPER(terms(z0)))
PROPER(dbl(cons(z0, z1))) → c44(DBL(cons(proper(z0), proper(z1))), PROPER(cons(z0, z1)))
PROPER(dbl(recip(z0))) → c44(DBL(recip(proper(z0))), PROPER(recip(z0)))
PROPER(dbl(sqr(z0))) → c44(DBL(sqr(proper(z0))), PROPER(sqr(z0)))
PROPER(dbl(s(z0))) → c44(DBL(s(proper(z0))), PROPER(s(z0)))
PROPER(dbl(0)) → c44(DBL(ok(0)), PROPER(0))
PROPER(dbl(add(z0, z1))) → c44(DBL(add(proper(z0), proper(z1))), PROPER(add(z0, z1)))
PROPER(dbl(dbl(z0))) → c44(DBL(dbl(proper(z0))), PROPER(dbl(z0)))
PROPER(dbl(first(z0, z1))) → c44(DBL(first(proper(z0), proper(z1))), PROPER(first(z0, z1)))
PROPER(dbl(nil)) → c44(DBL(ok(nil)), PROPER(nil))
K tuples:none
Defined Rule Symbols:

active, cons, first, terms, recip, sqr, s, add, dbl, proper

Defined Pair Symbols:

ACTIVE, TERMS, CONS, RECIP, SQR, S, ADD, DBL, FIRST, PROPER, TOP

Compound Symbols:

c14, c15, c17, c18, c19, c20, c21, c22, c23, c24, c25, c26, c27, c28, c29, c30, c31, c32, c33, c34, c35, c36, c45, c47, c48, c4, c6, c1, c9, c10, c11, c12, c9, c10, c11, c12, c13, c13, c16, c16, c37, c37, c38, c38, c39, c39, c40, c40, c41, c41, c43, c43, c44

(55) CdtRhsSimplificationProcessorProof (BOTH BOUNDS(ID, ID) transformation)

Removed 2 trailing tuple parts

(56) Obligation:

Complexity Dependency Tuples Problem
Rules:

active(terms(z0)) → mark(cons(recip(sqr(z0)), terms(s(z0))))
active(sqr(0)) → mark(0)
active(sqr(s(z0))) → mark(s(add(sqr(z0), dbl(z0))))
active(dbl(0)) → mark(0)
active(dbl(s(z0))) → mark(s(s(dbl(z0))))
active(add(0, z0)) → mark(z0)
active(add(s(z0), z1)) → mark(s(add(z0, z1)))
active(first(0, z0)) → mark(nil)
active(first(s(z0), cons(z1, z2))) → mark(cons(z1, first(z0, z2)))
active(terms(z0)) → terms(active(z0))
active(cons(z0, z1)) → cons(active(z0), z1)
active(recip(z0)) → recip(active(z0))
active(sqr(z0)) → sqr(active(z0))
active(s(z0)) → s(active(z0))
active(add(z0, z1)) → add(active(z0), z1)
active(add(z0, z1)) → add(z0, active(z1))
active(dbl(z0)) → dbl(active(z0))
active(first(z0, z1)) → first(active(z0), z1)
active(first(z0, z1)) → first(z0, active(z1))
cons(ok(z0), ok(z1)) → ok(cons(z0, z1))
cons(mark(z0), z1) → mark(cons(z0, z1))
first(z0, mark(z1)) → mark(first(z0, z1))
first(mark(z0), z1) → mark(first(z0, z1))
first(ok(z0), ok(z1)) → ok(first(z0, z1))
terms(mark(z0)) → mark(terms(z0))
terms(ok(z0)) → ok(terms(z0))
recip(mark(z0)) → mark(recip(z0))
recip(ok(z0)) → ok(recip(z0))
sqr(mark(z0)) → mark(sqr(z0))
sqr(ok(z0)) → ok(sqr(z0))
s(mark(z0)) → mark(s(z0))
s(ok(z0)) → ok(s(z0))
add(mark(z0), z1) → mark(add(z0, z1))
add(ok(z0), ok(z1)) → ok(add(z0, z1))
add(z0, mark(z1)) → mark(add(z0, z1))
dbl(mark(z0)) → mark(dbl(z0))
dbl(ok(z0)) → ok(dbl(z0))
proper(terms(z0)) → terms(proper(z0))
proper(cons(z0, z1)) → cons(proper(z0), proper(z1))
proper(recip(z0)) → recip(proper(z0))
proper(sqr(z0)) → sqr(proper(z0))
proper(s(z0)) → s(proper(z0))
proper(0) → ok(0)
proper(add(z0, z1)) → add(proper(z0), proper(z1))
proper(dbl(z0)) → dbl(proper(z0))
proper(first(z0, z1)) → first(proper(z0), proper(z1))
proper(nil) → ok(nil)
Tuples:

ACTIVE(add(z0, z1)) → c14(ADD(active(z0), z1), ACTIVE(z0))
ACTIVE(add(z0, z1)) → c15(ADD(z0, active(z1)), ACTIVE(z1))
ACTIVE(first(z0, z1)) → c17(FIRST(active(z0), z1), ACTIVE(z0))
ACTIVE(first(z0, z1)) → c18(FIRST(z0, active(z1)), ACTIVE(z1))
TERMS(mark(z0)) → c19(TERMS(z0))
TERMS(ok(z0)) → c20(TERMS(z0))
CONS(mark(z0), z1) → c21(CONS(z0, z1))
CONS(ok(z0), ok(z1)) → c22(CONS(z0, z1))
RECIP(mark(z0)) → c23(RECIP(z0))
RECIP(ok(z0)) → c24(RECIP(z0))
SQR(mark(z0)) → c25(SQR(z0))
SQR(ok(z0)) → c26(SQR(z0))
S(mark(z0)) → c27(S(z0))
S(ok(z0)) → c28(S(z0))
ADD(mark(z0), z1) → c29(ADD(z0, z1))
ADD(z0, mark(z1)) → c30(ADD(z0, z1))
ADD(ok(z0), ok(z1)) → c31(ADD(z0, z1))
DBL(mark(z0)) → c32(DBL(z0))
DBL(ok(z0)) → c33(DBL(z0))
FIRST(mark(z0), z1) → c34(FIRST(z0, z1))
FIRST(z0, mark(z1)) → c35(FIRST(z0, z1))
FIRST(ok(z0), ok(z1)) → c36(FIRST(z0, z1))
PROPER(first(z0, z1)) → c45(FIRST(proper(z0), proper(z1)), PROPER(z0), PROPER(z1))
TOP(mark(z0)) → c47(TOP(proper(z0)), PROPER(z0))
TOP(ok(z0)) → c48(TOP(active(z0)), ACTIVE(z0))
ACTIVE(dbl(s(z0))) → c4(DBL(z0))
ACTIVE(add(s(z0), z1)) → c6(ADD(z0, z1))
ACTIVE(first(s(z0), cons(z1, z2))) → c1(CONS(z1, first(z0, z2)))
ACTIVE(first(s(z0), cons(z1, z2))) → c1(FIRST(z0, z2))
ACTIVE(terms(z0)) → c1(SQR(z0))
ACTIVE(terms(z0)) → c1(S(z0))
ACTIVE(sqr(s(z0))) → c1(SQR(z0))
ACTIVE(sqr(s(z0))) → c1(DBL(z0))
ACTIVE(terms(terms(z0))) → c9(TERMS(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(terms(sqr(s(z0)))) → c9(TERMS(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(terms(dbl(s(z0)))) → c9(TERMS(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(terms(add(0, z0))) → c9(TERMS(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(terms(add(s(z0), z1))) → c9(TERMS(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(terms(first(0, z0))) → c9(TERMS(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(terms(first(s(z0), cons(z1, z2)))) → c9(TERMS(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(terms(terms(z0))) → c9(TERMS(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(terms(cons(z0, z1))) → c9(TERMS(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(terms(recip(z0))) → c9(TERMS(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(terms(sqr(z0))) → c9(TERMS(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(terms(s(z0))) → c9(TERMS(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(terms(add(z0, z1))) → c9(TERMS(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(terms(add(z0, z1))) → c9(TERMS(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(terms(dbl(z0))) → c9(TERMS(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(terms(first(z0, z1))) → c9(TERMS(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(terms(first(z0, z1))) → c9(TERMS(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(cons(terms(z0), x1)) → c10(CONS(mark(cons(recip(sqr(z0)), terms(s(z0)))), x1), ACTIVE(terms(z0)))
ACTIVE(cons(sqr(s(z0)), x1)) → c10(CONS(mark(s(add(sqr(z0), dbl(z0)))), x1), ACTIVE(sqr(s(z0))))
ACTIVE(cons(dbl(s(z0)), x1)) → c10(CONS(mark(s(s(dbl(z0)))), x1), ACTIVE(dbl(s(z0))))
ACTIVE(cons(add(0, z0), x1)) → c10(CONS(mark(z0), x1), ACTIVE(add(0, z0)))
ACTIVE(cons(add(s(z0), z1), x1)) → c10(CONS(mark(s(add(z0, z1))), x1), ACTIVE(add(s(z0), z1)))
ACTIVE(cons(first(0, z0), x1)) → c10(CONS(mark(nil), x1), ACTIVE(first(0, z0)))
ACTIVE(cons(first(s(z0), cons(z1, z2)), x1)) → c10(CONS(mark(cons(z1, first(z0, z2))), x1), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(cons(terms(z0), x1)) → c10(CONS(terms(active(z0)), x1), ACTIVE(terms(z0)))
ACTIVE(cons(cons(z0, z1), x1)) → c10(CONS(cons(active(z0), z1), x1), ACTIVE(cons(z0, z1)))
ACTIVE(cons(recip(z0), x1)) → c10(CONS(recip(active(z0)), x1), ACTIVE(recip(z0)))
ACTIVE(cons(sqr(z0), x1)) → c10(CONS(sqr(active(z0)), x1), ACTIVE(sqr(z0)))
ACTIVE(cons(s(z0), x1)) → c10(CONS(s(active(z0)), x1), ACTIVE(s(z0)))
ACTIVE(cons(add(z0, z1), x1)) → c10(CONS(add(active(z0), z1), x1), ACTIVE(add(z0, z1)))
ACTIVE(cons(add(z0, z1), x1)) → c10(CONS(add(z0, active(z1)), x1), ACTIVE(add(z0, z1)))
ACTIVE(cons(dbl(z0), x1)) → c10(CONS(dbl(active(z0)), x1), ACTIVE(dbl(z0)))
ACTIVE(cons(first(z0, z1), x1)) → c10(CONS(first(active(z0), z1), x1), ACTIVE(first(z0, z1)))
ACTIVE(cons(first(z0, z1), x1)) → c10(CONS(first(z0, active(z1)), x1), ACTIVE(first(z0, z1)))
ACTIVE(recip(terms(z0))) → c11(RECIP(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(recip(sqr(s(z0)))) → c11(RECIP(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(recip(dbl(s(z0)))) → c11(RECIP(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(recip(add(0, z0))) → c11(RECIP(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(recip(add(s(z0), z1))) → c11(RECIP(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(recip(first(0, z0))) → c11(RECIP(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(recip(first(s(z0), cons(z1, z2)))) → c11(RECIP(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(recip(terms(z0))) → c11(RECIP(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(recip(cons(z0, z1))) → c11(RECIP(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(recip(recip(z0))) → c11(RECIP(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(recip(sqr(z0))) → c11(RECIP(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(recip(s(z0))) → c11(RECIP(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(recip(add(z0, z1))) → c11(RECIP(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(recip(add(z0, z1))) → c11(RECIP(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(recip(dbl(z0))) → c11(RECIP(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(recip(first(z0, z1))) → c11(RECIP(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(recip(first(z0, z1))) → c11(RECIP(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(sqr(terms(z0))) → c12(SQR(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(sqr(sqr(s(z0)))) → c12(SQR(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(sqr(dbl(s(z0)))) → c12(SQR(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(sqr(add(0, z0))) → c12(SQR(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(sqr(add(s(z0), z1))) → c12(SQR(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(sqr(first(0, z0))) → c12(SQR(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(sqr(first(s(z0), cons(z1, z2)))) → c12(SQR(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(sqr(terms(z0))) → c12(SQR(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(sqr(cons(z0, z1))) → c12(SQR(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(sqr(recip(z0))) → c12(SQR(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(sqr(sqr(z0))) → c12(SQR(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(sqr(s(z0))) → c12(SQR(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(sqr(add(z0, z1))) → c12(SQR(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(sqr(add(z0, z1))) → c12(SQR(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(sqr(dbl(z0))) → c12(SQR(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(sqr(first(z0, z1))) → c12(SQR(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(sqr(first(z0, z1))) → c12(SQR(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(terms(sqr(0))) → c9(TERMS(mark(0)))
ACTIVE(cons(sqr(0), x1)) → c10(CONS(mark(0), x1))
ACTIVE(recip(sqr(0))) → c11(RECIP(mark(0)))
ACTIVE(sqr(sqr(0))) → c12(SQR(mark(0)))
ACTIVE(s(terms(z0))) → c13(S(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(s(sqr(s(z0)))) → c13(S(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(s(dbl(s(z0)))) → c13(S(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(s(add(0, z0))) → c13(S(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(s(add(s(z0), z1))) → c13(S(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(s(first(0, z0))) → c13(S(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(s(first(s(z0), cons(z1, z2)))) → c13(S(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(s(terms(z0))) → c13(S(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(s(cons(z0, z1))) → c13(S(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(s(recip(z0))) → c13(S(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(s(sqr(z0))) → c13(S(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(s(s(z0))) → c13(S(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(s(add(z0, z1))) → c13(S(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(s(add(z0, z1))) → c13(S(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(s(dbl(z0))) → c13(S(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(s(first(z0, z1))) → c13(S(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(s(first(z0, z1))) → c13(S(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(s(sqr(0))) → c13(S(mark(0)))
ACTIVE(dbl(terms(z0))) → c16(DBL(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(dbl(sqr(s(z0)))) → c16(DBL(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(dbl(dbl(s(z0)))) → c16(DBL(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(dbl(add(0, z0))) → c16(DBL(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(dbl(add(s(z0), z1))) → c16(DBL(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(dbl(first(0, z0))) → c16(DBL(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(dbl(first(s(z0), cons(z1, z2)))) → c16(DBL(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(dbl(terms(z0))) → c16(DBL(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(dbl(cons(z0, z1))) → c16(DBL(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(dbl(recip(z0))) → c16(DBL(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(dbl(sqr(z0))) → c16(DBL(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(dbl(s(z0))) → c16(DBL(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(dbl(add(z0, z1))) → c16(DBL(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(dbl(add(z0, z1))) → c16(DBL(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(dbl(dbl(z0))) → c16(DBL(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(dbl(first(z0, z1))) → c16(DBL(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(dbl(first(z0, z1))) → c16(DBL(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(terms(dbl(0))) → c9(TERMS(mark(0)))
ACTIVE(cons(dbl(0), x1)) → c10(CONS(mark(0), x1))
ACTIVE(recip(dbl(0))) → c11(RECIP(mark(0)))
ACTIVE(sqr(dbl(0))) → c12(SQR(mark(0)))
ACTIVE(s(dbl(0))) → c13(S(mark(0)))
ACTIVE(dbl(sqr(0))) → c16(DBL(mark(0)))
ACTIVE(dbl(dbl(0))) → c16(DBL(mark(0)))
PROPER(terms(terms(z0))) → c37(TERMS(terms(proper(z0))), PROPER(terms(z0)))
PROPER(terms(cons(z0, z1))) → c37(TERMS(cons(proper(z0), proper(z1))), PROPER(cons(z0, z1)))
PROPER(terms(recip(z0))) → c37(TERMS(recip(proper(z0))), PROPER(recip(z0)))
PROPER(terms(sqr(z0))) → c37(TERMS(sqr(proper(z0))), PROPER(sqr(z0)))
PROPER(terms(s(z0))) → c37(TERMS(s(proper(z0))), PROPER(s(z0)))
PROPER(terms(add(z0, z1))) → c37(TERMS(add(proper(z0), proper(z1))), PROPER(add(z0, z1)))
PROPER(terms(dbl(z0))) → c37(TERMS(dbl(proper(z0))), PROPER(dbl(z0)))
PROPER(terms(first(z0, z1))) → c37(TERMS(first(proper(z0), proper(z1))), PROPER(first(z0, z1)))
PROPER(terms(0)) → c37(TERMS(ok(0)))
PROPER(terms(nil)) → c37(TERMS(ok(nil)))
PROPER(cons(x0, terms(z0))) → c38(CONS(proper(x0), terms(proper(z0))), PROPER(x0), PROPER(terms(z0)))
PROPER(cons(x0, cons(z0, z1))) → c38(CONS(proper(x0), cons(proper(z0), proper(z1))), PROPER(x0), PROPER(cons(z0, z1)))
PROPER(cons(x0, recip(z0))) → c38(CONS(proper(x0), recip(proper(z0))), PROPER(x0), PROPER(recip(z0)))
PROPER(cons(x0, sqr(z0))) → c38(CONS(proper(x0), sqr(proper(z0))), PROPER(x0), PROPER(sqr(z0)))
PROPER(cons(x0, s(z0))) → c38(CONS(proper(x0), s(proper(z0))), PROPER(x0), PROPER(s(z0)))
PROPER(cons(x0, add(z0, z1))) → c38(CONS(proper(x0), add(proper(z0), proper(z1))), PROPER(x0), PROPER(add(z0, z1)))
PROPER(cons(x0, dbl(z0))) → c38(CONS(proper(x0), dbl(proper(z0))), PROPER(x0), PROPER(dbl(z0)))
PROPER(cons(x0, first(z0, z1))) → c38(CONS(proper(x0), first(proper(z0), proper(z1))), PROPER(x0), PROPER(first(z0, z1)))
PROPER(cons(terms(z0), x1)) → c38(CONS(terms(proper(z0)), proper(x1)), PROPER(terms(z0)), PROPER(x1))
PROPER(cons(cons(z0, z1), x1)) → c38(CONS(cons(proper(z0), proper(z1)), proper(x1)), PROPER(cons(z0, z1)), PROPER(x1))
PROPER(cons(recip(z0), x1)) → c38(CONS(recip(proper(z0)), proper(x1)), PROPER(recip(z0)), PROPER(x1))
PROPER(cons(sqr(z0), x1)) → c38(CONS(sqr(proper(z0)), proper(x1)), PROPER(sqr(z0)), PROPER(x1))
PROPER(cons(s(z0), x1)) → c38(CONS(s(proper(z0)), proper(x1)), PROPER(s(z0)), PROPER(x1))
PROPER(cons(add(z0, z1), x1)) → c38(CONS(add(proper(z0), proper(z1)), proper(x1)), PROPER(add(z0, z1)), PROPER(x1))
PROPER(cons(dbl(z0), x1)) → c38(CONS(dbl(proper(z0)), proper(x1)), PROPER(dbl(z0)), PROPER(x1))
PROPER(cons(first(z0, z1), x1)) → c38(CONS(first(proper(z0), proper(z1)), proper(x1)), PROPER(first(z0, z1)), PROPER(x1))
PROPER(cons(x0, 0)) → c38(CONS(proper(x0), ok(0)), PROPER(x0))
PROPER(cons(x0, nil)) → c38(CONS(proper(x0), ok(nil)), PROPER(x0))
PROPER(cons(0, x1)) → c38(CONS(ok(0), proper(x1)), PROPER(x1))
PROPER(cons(nil, x1)) → c38(CONS(ok(nil), proper(x1)), PROPER(x1))
PROPER(recip(terms(z0))) → c39(RECIP(terms(proper(z0))), PROPER(terms(z0)))
PROPER(recip(cons(z0, z1))) → c39(RECIP(cons(proper(z0), proper(z1))), PROPER(cons(z0, z1)))
PROPER(recip(recip(z0))) → c39(RECIP(recip(proper(z0))), PROPER(recip(z0)))
PROPER(recip(sqr(z0))) → c39(RECIP(sqr(proper(z0))), PROPER(sqr(z0)))
PROPER(recip(s(z0))) → c39(RECIP(s(proper(z0))), PROPER(s(z0)))
PROPER(recip(add(z0, z1))) → c39(RECIP(add(proper(z0), proper(z1))), PROPER(add(z0, z1)))
PROPER(recip(dbl(z0))) → c39(RECIP(dbl(proper(z0))), PROPER(dbl(z0)))
PROPER(recip(first(z0, z1))) → c39(RECIP(first(proper(z0), proper(z1))), PROPER(first(z0, z1)))
PROPER(recip(0)) → c39(RECIP(ok(0)))
PROPER(recip(nil)) → c39(RECIP(ok(nil)))
PROPER(sqr(terms(z0))) → c40(SQR(terms(proper(z0))), PROPER(terms(z0)))
PROPER(sqr(cons(z0, z1))) → c40(SQR(cons(proper(z0), proper(z1))), PROPER(cons(z0, z1)))
PROPER(sqr(recip(z0))) → c40(SQR(recip(proper(z0))), PROPER(recip(z0)))
PROPER(sqr(sqr(z0))) → c40(SQR(sqr(proper(z0))), PROPER(sqr(z0)))
PROPER(sqr(s(z0))) → c40(SQR(s(proper(z0))), PROPER(s(z0)))
PROPER(sqr(add(z0, z1))) → c40(SQR(add(proper(z0), proper(z1))), PROPER(add(z0, z1)))
PROPER(sqr(dbl(z0))) → c40(SQR(dbl(proper(z0))), PROPER(dbl(z0)))
PROPER(sqr(first(z0, z1))) → c40(SQR(first(proper(z0), proper(z1))), PROPER(first(z0, z1)))
PROPER(sqr(0)) → c40(SQR(ok(0)))
PROPER(sqr(nil)) → c40(SQR(ok(nil)))
PROPER(s(terms(z0))) → c41(S(terms(proper(z0))), PROPER(terms(z0)))
PROPER(s(cons(z0, z1))) → c41(S(cons(proper(z0), proper(z1))), PROPER(cons(z0, z1)))
PROPER(s(recip(z0))) → c41(S(recip(proper(z0))), PROPER(recip(z0)))
PROPER(s(sqr(z0))) → c41(S(sqr(proper(z0))), PROPER(sqr(z0)))
PROPER(s(s(z0))) → c41(S(s(proper(z0))), PROPER(s(z0)))
PROPER(s(add(z0, z1))) → c41(S(add(proper(z0), proper(z1))), PROPER(add(z0, z1)))
PROPER(s(dbl(z0))) → c41(S(dbl(proper(z0))), PROPER(dbl(z0)))
PROPER(s(first(z0, z1))) → c41(S(first(proper(z0), proper(z1))), PROPER(first(z0, z1)))
PROPER(s(0)) → c41(S(ok(0)))
PROPER(s(nil)) → c41(S(ok(nil)))
PROPER(add(x0, terms(z0))) → c43(ADD(proper(x0), terms(proper(z0))), PROPER(x0), PROPER(terms(z0)))
PROPER(add(x0, cons(z0, z1))) → c43(ADD(proper(x0), cons(proper(z0), proper(z1))), PROPER(x0), PROPER(cons(z0, z1)))
PROPER(add(x0, recip(z0))) → c43(ADD(proper(x0), recip(proper(z0))), PROPER(x0), PROPER(recip(z0)))
PROPER(add(x0, sqr(z0))) → c43(ADD(proper(x0), sqr(proper(z0))), PROPER(x0), PROPER(sqr(z0)))
PROPER(add(x0, s(z0))) → c43(ADD(proper(x0), s(proper(z0))), PROPER(x0), PROPER(s(z0)))
PROPER(add(x0, add(z0, z1))) → c43(ADD(proper(x0), add(proper(z0), proper(z1))), PROPER(x0), PROPER(add(z0, z1)))
PROPER(add(x0, dbl(z0))) → c43(ADD(proper(x0), dbl(proper(z0))), PROPER(x0), PROPER(dbl(z0)))
PROPER(add(x0, first(z0, z1))) → c43(ADD(proper(x0), first(proper(z0), proper(z1))), PROPER(x0), PROPER(first(z0, z1)))
PROPER(add(terms(z0), x1)) → c43(ADD(terms(proper(z0)), proper(x1)), PROPER(terms(z0)), PROPER(x1))
PROPER(add(cons(z0, z1), x1)) → c43(ADD(cons(proper(z0), proper(z1)), proper(x1)), PROPER(cons(z0, z1)), PROPER(x1))
PROPER(add(recip(z0), x1)) → c43(ADD(recip(proper(z0)), proper(x1)), PROPER(recip(z0)), PROPER(x1))
PROPER(add(sqr(z0), x1)) → c43(ADD(sqr(proper(z0)), proper(x1)), PROPER(sqr(z0)), PROPER(x1))
PROPER(add(s(z0), x1)) → c43(ADD(s(proper(z0)), proper(x1)), PROPER(s(z0)), PROPER(x1))
PROPER(add(add(z0, z1), x1)) → c43(ADD(add(proper(z0), proper(z1)), proper(x1)), PROPER(add(z0, z1)), PROPER(x1))
PROPER(add(dbl(z0), x1)) → c43(ADD(dbl(proper(z0)), proper(x1)), PROPER(dbl(z0)), PROPER(x1))
PROPER(add(first(z0, z1), x1)) → c43(ADD(first(proper(z0), proper(z1)), proper(x1)), PROPER(first(z0, z1)), PROPER(x1))
PROPER(add(x0, 0)) → c43(ADD(proper(x0), ok(0)), PROPER(x0))
PROPER(add(x0, nil)) → c43(ADD(proper(x0), ok(nil)), PROPER(x0))
PROPER(add(0, x1)) → c43(ADD(ok(0), proper(x1)), PROPER(x1))
PROPER(add(nil, x1)) → c43(ADD(ok(nil), proper(x1)), PROPER(x1))
PROPER(dbl(terms(z0))) → c44(DBL(terms(proper(z0))), PROPER(terms(z0)))
PROPER(dbl(cons(z0, z1))) → c44(DBL(cons(proper(z0), proper(z1))), PROPER(cons(z0, z1)))
PROPER(dbl(recip(z0))) → c44(DBL(recip(proper(z0))), PROPER(recip(z0)))
PROPER(dbl(sqr(z0))) → c44(DBL(sqr(proper(z0))), PROPER(sqr(z0)))
PROPER(dbl(s(z0))) → c44(DBL(s(proper(z0))), PROPER(s(z0)))
PROPER(dbl(add(z0, z1))) → c44(DBL(add(proper(z0), proper(z1))), PROPER(add(z0, z1)))
PROPER(dbl(dbl(z0))) → c44(DBL(dbl(proper(z0))), PROPER(dbl(z0)))
PROPER(dbl(first(z0, z1))) → c44(DBL(first(proper(z0), proper(z1))), PROPER(first(z0, z1)))
PROPER(dbl(0)) → c44(DBL(ok(0)))
PROPER(dbl(nil)) → c44(DBL(ok(nil)))
S tuples:

ACTIVE(add(z0, z1)) → c14(ADD(active(z0), z1), ACTIVE(z0))
ACTIVE(add(z0, z1)) → c15(ADD(z0, active(z1)), ACTIVE(z1))
ACTIVE(first(z0, z1)) → c17(FIRST(active(z0), z1), ACTIVE(z0))
ACTIVE(first(z0, z1)) → c18(FIRST(z0, active(z1)), ACTIVE(z1))
TERMS(mark(z0)) → c19(TERMS(z0))
TERMS(ok(z0)) → c20(TERMS(z0))
CONS(mark(z0), z1) → c21(CONS(z0, z1))
CONS(ok(z0), ok(z1)) → c22(CONS(z0, z1))
RECIP(mark(z0)) → c23(RECIP(z0))
RECIP(ok(z0)) → c24(RECIP(z0))
SQR(mark(z0)) → c25(SQR(z0))
SQR(ok(z0)) → c26(SQR(z0))
S(mark(z0)) → c27(S(z0))
S(ok(z0)) → c28(S(z0))
ADD(mark(z0), z1) → c29(ADD(z0, z1))
ADD(z0, mark(z1)) → c30(ADD(z0, z1))
ADD(ok(z0), ok(z1)) → c31(ADD(z0, z1))
DBL(mark(z0)) → c32(DBL(z0))
DBL(ok(z0)) → c33(DBL(z0))
FIRST(mark(z0), z1) → c34(FIRST(z0, z1))
FIRST(z0, mark(z1)) → c35(FIRST(z0, z1))
FIRST(ok(z0), ok(z1)) → c36(FIRST(z0, z1))
PROPER(first(z0, z1)) → c45(FIRST(proper(z0), proper(z1)), PROPER(z0), PROPER(z1))
TOP(mark(z0)) → c47(TOP(proper(z0)), PROPER(z0))
TOP(ok(z0)) → c48(TOP(active(z0)), ACTIVE(z0))
ACTIVE(dbl(s(z0))) → c4(DBL(z0))
ACTIVE(add(s(z0), z1)) → c6(ADD(z0, z1))
ACTIVE(first(s(z0), cons(z1, z2))) → c1(CONS(z1, first(z0, z2)))
ACTIVE(first(s(z0), cons(z1, z2))) → c1(FIRST(z0, z2))
ACTIVE(terms(z0)) → c1(SQR(z0))
ACTIVE(terms(z0)) → c1(S(z0))
ACTIVE(sqr(s(z0))) → c1(SQR(z0))
ACTIVE(sqr(s(z0))) → c1(DBL(z0))
ACTIVE(terms(terms(z0))) → c9(TERMS(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(terms(sqr(s(z0)))) → c9(TERMS(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(terms(dbl(s(z0)))) → c9(TERMS(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(terms(add(0, z0))) → c9(TERMS(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(terms(add(s(z0), z1))) → c9(TERMS(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(terms(first(0, z0))) → c9(TERMS(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(terms(first(s(z0), cons(z1, z2)))) → c9(TERMS(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(terms(terms(z0))) → c9(TERMS(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(terms(cons(z0, z1))) → c9(TERMS(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(terms(recip(z0))) → c9(TERMS(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(terms(sqr(z0))) → c9(TERMS(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(terms(s(z0))) → c9(TERMS(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(terms(add(z0, z1))) → c9(TERMS(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(terms(add(z0, z1))) → c9(TERMS(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(terms(dbl(z0))) → c9(TERMS(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(terms(first(z0, z1))) → c9(TERMS(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(terms(first(z0, z1))) → c9(TERMS(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(cons(terms(z0), x1)) → c10(CONS(mark(cons(recip(sqr(z0)), terms(s(z0)))), x1), ACTIVE(terms(z0)))
ACTIVE(cons(sqr(s(z0)), x1)) → c10(CONS(mark(s(add(sqr(z0), dbl(z0)))), x1), ACTIVE(sqr(s(z0))))
ACTIVE(cons(dbl(s(z0)), x1)) → c10(CONS(mark(s(s(dbl(z0)))), x1), ACTIVE(dbl(s(z0))))
ACTIVE(cons(add(0, z0), x1)) → c10(CONS(mark(z0), x1), ACTIVE(add(0, z0)))
ACTIVE(cons(add(s(z0), z1), x1)) → c10(CONS(mark(s(add(z0, z1))), x1), ACTIVE(add(s(z0), z1)))
ACTIVE(cons(first(0, z0), x1)) → c10(CONS(mark(nil), x1), ACTIVE(first(0, z0)))
ACTIVE(cons(first(s(z0), cons(z1, z2)), x1)) → c10(CONS(mark(cons(z1, first(z0, z2))), x1), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(cons(terms(z0), x1)) → c10(CONS(terms(active(z0)), x1), ACTIVE(terms(z0)))
ACTIVE(cons(cons(z0, z1), x1)) → c10(CONS(cons(active(z0), z1), x1), ACTIVE(cons(z0, z1)))
ACTIVE(cons(recip(z0), x1)) → c10(CONS(recip(active(z0)), x1), ACTIVE(recip(z0)))
ACTIVE(cons(sqr(z0), x1)) → c10(CONS(sqr(active(z0)), x1), ACTIVE(sqr(z0)))
ACTIVE(cons(s(z0), x1)) → c10(CONS(s(active(z0)), x1), ACTIVE(s(z0)))
ACTIVE(cons(add(z0, z1), x1)) → c10(CONS(add(active(z0), z1), x1), ACTIVE(add(z0, z1)))
ACTIVE(cons(add(z0, z1), x1)) → c10(CONS(add(z0, active(z1)), x1), ACTIVE(add(z0, z1)))
ACTIVE(cons(dbl(z0), x1)) → c10(CONS(dbl(active(z0)), x1), ACTIVE(dbl(z0)))
ACTIVE(cons(first(z0, z1), x1)) → c10(CONS(first(active(z0), z1), x1), ACTIVE(first(z0, z1)))
ACTIVE(cons(first(z0, z1), x1)) → c10(CONS(first(z0, active(z1)), x1), ACTIVE(first(z0, z1)))
ACTIVE(recip(terms(z0))) → c11(RECIP(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(recip(sqr(s(z0)))) → c11(RECIP(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(recip(dbl(s(z0)))) → c11(RECIP(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(recip(add(0, z0))) → c11(RECIP(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(recip(add(s(z0), z1))) → c11(RECIP(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(recip(first(0, z0))) → c11(RECIP(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(recip(first(s(z0), cons(z1, z2)))) → c11(RECIP(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(recip(terms(z0))) → c11(RECIP(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(recip(cons(z0, z1))) → c11(RECIP(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(recip(recip(z0))) → c11(RECIP(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(recip(sqr(z0))) → c11(RECIP(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(recip(s(z0))) → c11(RECIP(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(recip(add(z0, z1))) → c11(RECIP(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(recip(add(z0, z1))) → c11(RECIP(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(recip(dbl(z0))) → c11(RECIP(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(recip(first(z0, z1))) → c11(RECIP(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(recip(first(z0, z1))) → c11(RECIP(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(sqr(terms(z0))) → c12(SQR(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(sqr(sqr(s(z0)))) → c12(SQR(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(sqr(dbl(s(z0)))) → c12(SQR(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(sqr(add(0, z0))) → c12(SQR(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(sqr(add(s(z0), z1))) → c12(SQR(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(sqr(first(0, z0))) → c12(SQR(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(sqr(first(s(z0), cons(z1, z2)))) → c12(SQR(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(sqr(terms(z0))) → c12(SQR(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(sqr(cons(z0, z1))) → c12(SQR(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(sqr(recip(z0))) → c12(SQR(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(sqr(sqr(z0))) → c12(SQR(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(sqr(s(z0))) → c12(SQR(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(sqr(add(z0, z1))) → c12(SQR(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(sqr(add(z0, z1))) → c12(SQR(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(sqr(dbl(z0))) → c12(SQR(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(sqr(first(z0, z1))) → c12(SQR(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(sqr(first(z0, z1))) → c12(SQR(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(terms(sqr(0))) → c9(TERMS(mark(0)))
ACTIVE(cons(sqr(0), x1)) → c10(CONS(mark(0), x1))
ACTIVE(recip(sqr(0))) → c11(RECIP(mark(0)))
ACTIVE(sqr(sqr(0))) → c12(SQR(mark(0)))
ACTIVE(s(terms(z0))) → c13(S(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(s(sqr(s(z0)))) → c13(S(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(s(dbl(s(z0)))) → c13(S(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(s(add(0, z0))) → c13(S(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(s(add(s(z0), z1))) → c13(S(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(s(first(0, z0))) → c13(S(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(s(first(s(z0), cons(z1, z2)))) → c13(S(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(s(terms(z0))) → c13(S(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(s(cons(z0, z1))) → c13(S(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(s(recip(z0))) → c13(S(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(s(sqr(z0))) → c13(S(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(s(s(z0))) → c13(S(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(s(add(z0, z1))) → c13(S(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(s(add(z0, z1))) → c13(S(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(s(dbl(z0))) → c13(S(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(s(first(z0, z1))) → c13(S(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(s(first(z0, z1))) → c13(S(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(s(sqr(0))) → c13(S(mark(0)))
ACTIVE(dbl(terms(z0))) → c16(DBL(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(dbl(sqr(s(z0)))) → c16(DBL(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(dbl(dbl(s(z0)))) → c16(DBL(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(dbl(add(0, z0))) → c16(DBL(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(dbl(add(s(z0), z1))) → c16(DBL(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(dbl(first(0, z0))) → c16(DBL(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(dbl(first(s(z0), cons(z1, z2)))) → c16(DBL(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(dbl(terms(z0))) → c16(DBL(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(dbl(cons(z0, z1))) → c16(DBL(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(dbl(recip(z0))) → c16(DBL(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(dbl(sqr(z0))) → c16(DBL(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(dbl(s(z0))) → c16(DBL(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(dbl(add(z0, z1))) → c16(DBL(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(dbl(add(z0, z1))) → c16(DBL(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(dbl(dbl(z0))) → c16(DBL(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(dbl(first(z0, z1))) → c16(DBL(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(dbl(first(z0, z1))) → c16(DBL(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(terms(dbl(0))) → c9(TERMS(mark(0)))
ACTIVE(cons(dbl(0), x1)) → c10(CONS(mark(0), x1))
ACTIVE(recip(dbl(0))) → c11(RECIP(mark(0)))
ACTIVE(sqr(dbl(0))) → c12(SQR(mark(0)))
ACTIVE(s(dbl(0))) → c13(S(mark(0)))
ACTIVE(dbl(sqr(0))) → c16(DBL(mark(0)))
ACTIVE(dbl(dbl(0))) → c16(DBL(mark(0)))
PROPER(terms(terms(z0))) → c37(TERMS(terms(proper(z0))), PROPER(terms(z0)))
PROPER(terms(cons(z0, z1))) → c37(TERMS(cons(proper(z0), proper(z1))), PROPER(cons(z0, z1)))
PROPER(terms(recip(z0))) → c37(TERMS(recip(proper(z0))), PROPER(recip(z0)))
PROPER(terms(sqr(z0))) → c37(TERMS(sqr(proper(z0))), PROPER(sqr(z0)))
PROPER(terms(s(z0))) → c37(TERMS(s(proper(z0))), PROPER(s(z0)))
PROPER(terms(add(z0, z1))) → c37(TERMS(add(proper(z0), proper(z1))), PROPER(add(z0, z1)))
PROPER(terms(dbl(z0))) → c37(TERMS(dbl(proper(z0))), PROPER(dbl(z0)))
PROPER(terms(first(z0, z1))) → c37(TERMS(first(proper(z0), proper(z1))), PROPER(first(z0, z1)))
PROPER(terms(0)) → c37(TERMS(ok(0)))
PROPER(terms(nil)) → c37(TERMS(ok(nil)))
PROPER(cons(x0, terms(z0))) → c38(CONS(proper(x0), terms(proper(z0))), PROPER(x0), PROPER(terms(z0)))
PROPER(cons(x0, cons(z0, z1))) → c38(CONS(proper(x0), cons(proper(z0), proper(z1))), PROPER(x0), PROPER(cons(z0, z1)))
PROPER(cons(x0, recip(z0))) → c38(CONS(proper(x0), recip(proper(z0))), PROPER(x0), PROPER(recip(z0)))
PROPER(cons(x0, sqr(z0))) → c38(CONS(proper(x0), sqr(proper(z0))), PROPER(x0), PROPER(sqr(z0)))
PROPER(cons(x0, s(z0))) → c38(CONS(proper(x0), s(proper(z0))), PROPER(x0), PROPER(s(z0)))
PROPER(cons(x0, add(z0, z1))) → c38(CONS(proper(x0), add(proper(z0), proper(z1))), PROPER(x0), PROPER(add(z0, z1)))
PROPER(cons(x0, dbl(z0))) → c38(CONS(proper(x0), dbl(proper(z0))), PROPER(x0), PROPER(dbl(z0)))
PROPER(cons(x0, first(z0, z1))) → c38(CONS(proper(x0), first(proper(z0), proper(z1))), PROPER(x0), PROPER(first(z0, z1)))
PROPER(cons(terms(z0), x1)) → c38(CONS(terms(proper(z0)), proper(x1)), PROPER(terms(z0)), PROPER(x1))
PROPER(cons(cons(z0, z1), x1)) → c38(CONS(cons(proper(z0), proper(z1)), proper(x1)), PROPER(cons(z0, z1)), PROPER(x1))
PROPER(cons(recip(z0), x1)) → c38(CONS(recip(proper(z0)), proper(x1)), PROPER(recip(z0)), PROPER(x1))
PROPER(cons(sqr(z0), x1)) → c38(CONS(sqr(proper(z0)), proper(x1)), PROPER(sqr(z0)), PROPER(x1))
PROPER(cons(s(z0), x1)) → c38(CONS(s(proper(z0)), proper(x1)), PROPER(s(z0)), PROPER(x1))
PROPER(cons(add(z0, z1), x1)) → c38(CONS(add(proper(z0), proper(z1)), proper(x1)), PROPER(add(z0, z1)), PROPER(x1))
PROPER(cons(dbl(z0), x1)) → c38(CONS(dbl(proper(z0)), proper(x1)), PROPER(dbl(z0)), PROPER(x1))
PROPER(cons(first(z0, z1), x1)) → c38(CONS(first(proper(z0), proper(z1)), proper(x1)), PROPER(first(z0, z1)), PROPER(x1))
PROPER(cons(x0, 0)) → c38(CONS(proper(x0), ok(0)), PROPER(x0))
PROPER(cons(x0, nil)) → c38(CONS(proper(x0), ok(nil)), PROPER(x0))
PROPER(cons(0, x1)) → c38(CONS(ok(0), proper(x1)), PROPER(x1))
PROPER(cons(nil, x1)) → c38(CONS(ok(nil), proper(x1)), PROPER(x1))
PROPER(recip(terms(z0))) → c39(RECIP(terms(proper(z0))), PROPER(terms(z0)))
PROPER(recip(cons(z0, z1))) → c39(RECIP(cons(proper(z0), proper(z1))), PROPER(cons(z0, z1)))
PROPER(recip(recip(z0))) → c39(RECIP(recip(proper(z0))), PROPER(recip(z0)))
PROPER(recip(sqr(z0))) → c39(RECIP(sqr(proper(z0))), PROPER(sqr(z0)))
PROPER(recip(s(z0))) → c39(RECIP(s(proper(z0))), PROPER(s(z0)))
PROPER(recip(add(z0, z1))) → c39(RECIP(add(proper(z0), proper(z1))), PROPER(add(z0, z1)))
PROPER(recip(dbl(z0))) → c39(RECIP(dbl(proper(z0))), PROPER(dbl(z0)))
PROPER(recip(first(z0, z1))) → c39(RECIP(first(proper(z0), proper(z1))), PROPER(first(z0, z1)))
PROPER(recip(0)) → c39(RECIP(ok(0)))
PROPER(recip(nil)) → c39(RECIP(ok(nil)))
PROPER(sqr(terms(z0))) → c40(SQR(terms(proper(z0))), PROPER(terms(z0)))
PROPER(sqr(cons(z0, z1))) → c40(SQR(cons(proper(z0), proper(z1))), PROPER(cons(z0, z1)))
PROPER(sqr(recip(z0))) → c40(SQR(recip(proper(z0))), PROPER(recip(z0)))
PROPER(sqr(sqr(z0))) → c40(SQR(sqr(proper(z0))), PROPER(sqr(z0)))
PROPER(sqr(s(z0))) → c40(SQR(s(proper(z0))), PROPER(s(z0)))
PROPER(sqr(add(z0, z1))) → c40(SQR(add(proper(z0), proper(z1))), PROPER(add(z0, z1)))
PROPER(sqr(dbl(z0))) → c40(SQR(dbl(proper(z0))), PROPER(dbl(z0)))
PROPER(sqr(first(z0, z1))) → c40(SQR(first(proper(z0), proper(z1))), PROPER(first(z0, z1)))
PROPER(sqr(0)) → c40(SQR(ok(0)))
PROPER(sqr(nil)) → c40(SQR(ok(nil)))
PROPER(s(terms(z0))) → c41(S(terms(proper(z0))), PROPER(terms(z0)))
PROPER(s(cons(z0, z1))) → c41(S(cons(proper(z0), proper(z1))), PROPER(cons(z0, z1)))
PROPER(s(recip(z0))) → c41(S(recip(proper(z0))), PROPER(recip(z0)))
PROPER(s(sqr(z0))) → c41(S(sqr(proper(z0))), PROPER(sqr(z0)))
PROPER(s(s(z0))) → c41(S(s(proper(z0))), PROPER(s(z0)))
PROPER(s(add(z0, z1))) → c41(S(add(proper(z0), proper(z1))), PROPER(add(z0, z1)))
PROPER(s(dbl(z0))) → c41(S(dbl(proper(z0))), PROPER(dbl(z0)))
PROPER(s(first(z0, z1))) → c41(S(first(proper(z0), proper(z1))), PROPER(first(z0, z1)))
PROPER(s(0)) → c41(S(ok(0)))
PROPER(s(nil)) → c41(S(ok(nil)))
PROPER(add(x0, terms(z0))) → c43(ADD(proper(x0), terms(proper(z0))), PROPER(x0), PROPER(terms(z0)))
PROPER(add(x0, cons(z0, z1))) → c43(ADD(proper(x0), cons(proper(z0), proper(z1))), PROPER(x0), PROPER(cons(z0, z1)))
PROPER(add(x0, recip(z0))) → c43(ADD(proper(x0), recip(proper(z0))), PROPER(x0), PROPER(recip(z0)))
PROPER(add(x0, sqr(z0))) → c43(ADD(proper(x0), sqr(proper(z0))), PROPER(x0), PROPER(sqr(z0)))
PROPER(add(x0, s(z0))) → c43(ADD(proper(x0), s(proper(z0))), PROPER(x0), PROPER(s(z0)))
PROPER(add(x0, add(z0, z1))) → c43(ADD(proper(x0), add(proper(z0), proper(z1))), PROPER(x0), PROPER(add(z0, z1)))
PROPER(add(x0, dbl(z0))) → c43(ADD(proper(x0), dbl(proper(z0))), PROPER(x0), PROPER(dbl(z0)))
PROPER(add(x0, first(z0, z1))) → c43(ADD(proper(x0), first(proper(z0), proper(z1))), PROPER(x0), PROPER(first(z0, z1)))
PROPER(add(terms(z0), x1)) → c43(ADD(terms(proper(z0)), proper(x1)), PROPER(terms(z0)), PROPER(x1))
PROPER(add(cons(z0, z1), x1)) → c43(ADD(cons(proper(z0), proper(z1)), proper(x1)), PROPER(cons(z0, z1)), PROPER(x1))
PROPER(add(recip(z0), x1)) → c43(ADD(recip(proper(z0)), proper(x1)), PROPER(recip(z0)), PROPER(x1))
PROPER(add(sqr(z0), x1)) → c43(ADD(sqr(proper(z0)), proper(x1)), PROPER(sqr(z0)), PROPER(x1))
PROPER(add(s(z0), x1)) → c43(ADD(s(proper(z0)), proper(x1)), PROPER(s(z0)), PROPER(x1))
PROPER(add(add(z0, z1), x1)) → c43(ADD(add(proper(z0), proper(z1)), proper(x1)), PROPER(add(z0, z1)), PROPER(x1))
PROPER(add(dbl(z0), x1)) → c43(ADD(dbl(proper(z0)), proper(x1)), PROPER(dbl(z0)), PROPER(x1))
PROPER(add(first(z0, z1), x1)) → c43(ADD(first(proper(z0), proper(z1)), proper(x1)), PROPER(first(z0, z1)), PROPER(x1))
PROPER(add(x0, 0)) → c43(ADD(proper(x0), ok(0)), PROPER(x0))
PROPER(add(x0, nil)) → c43(ADD(proper(x0), ok(nil)), PROPER(x0))
PROPER(add(0, x1)) → c43(ADD(ok(0), proper(x1)), PROPER(x1))
PROPER(add(nil, x1)) → c43(ADD(ok(nil), proper(x1)), PROPER(x1))
PROPER(dbl(terms(z0))) → c44(DBL(terms(proper(z0))), PROPER(terms(z0)))
PROPER(dbl(cons(z0, z1))) → c44(DBL(cons(proper(z0), proper(z1))), PROPER(cons(z0, z1)))
PROPER(dbl(recip(z0))) → c44(DBL(recip(proper(z0))), PROPER(recip(z0)))
PROPER(dbl(sqr(z0))) → c44(DBL(sqr(proper(z0))), PROPER(sqr(z0)))
PROPER(dbl(s(z0))) → c44(DBL(s(proper(z0))), PROPER(s(z0)))
PROPER(dbl(add(z0, z1))) → c44(DBL(add(proper(z0), proper(z1))), PROPER(add(z0, z1)))
PROPER(dbl(dbl(z0))) → c44(DBL(dbl(proper(z0))), PROPER(dbl(z0)))
PROPER(dbl(first(z0, z1))) → c44(DBL(first(proper(z0), proper(z1))), PROPER(first(z0, z1)))
PROPER(dbl(0)) → c44(DBL(ok(0)))
PROPER(dbl(nil)) → c44(DBL(ok(nil)))
K tuples:none
Defined Rule Symbols:

active, cons, first, terms, recip, sqr, s, add, dbl, proper

Defined Pair Symbols:

ACTIVE, TERMS, CONS, RECIP, SQR, S, ADD, DBL, FIRST, PROPER, TOP

Compound Symbols:

c14, c15, c17, c18, c19, c20, c21, c22, c23, c24, c25, c26, c27, c28, c29, c30, c31, c32, c33, c34, c35, c36, c45, c47, c48, c4, c6, c1, c9, c10, c11, c12, c9, c10, c11, c12, c13, c13, c16, c16, c37, c37, c38, c38, c39, c39, c40, c40, c41, c41, c43, c43, c44, c44

(57) CdtNarrowingProof (BOTH BOUNDS(ID, ID) transformation)

Use narrowing to replace PROPER(first(z0, z1)) → c45(FIRST(proper(z0), proper(z1)), PROPER(z0), PROPER(z1)) by

PROPER(first(x0, terms(z0))) → c45(FIRST(proper(x0), terms(proper(z0))), PROPER(x0), PROPER(terms(z0)))
PROPER(first(x0, cons(z0, z1))) → c45(FIRST(proper(x0), cons(proper(z0), proper(z1))), PROPER(x0), PROPER(cons(z0, z1)))
PROPER(first(x0, recip(z0))) → c45(FIRST(proper(x0), recip(proper(z0))), PROPER(x0), PROPER(recip(z0)))
PROPER(first(x0, sqr(z0))) → c45(FIRST(proper(x0), sqr(proper(z0))), PROPER(x0), PROPER(sqr(z0)))
PROPER(first(x0, s(z0))) → c45(FIRST(proper(x0), s(proper(z0))), PROPER(x0), PROPER(s(z0)))
PROPER(first(x0, 0)) → c45(FIRST(proper(x0), ok(0)), PROPER(x0), PROPER(0))
PROPER(first(x0, add(z0, z1))) → c45(FIRST(proper(x0), add(proper(z0), proper(z1))), PROPER(x0), PROPER(add(z0, z1)))
PROPER(first(x0, dbl(z0))) → c45(FIRST(proper(x0), dbl(proper(z0))), PROPER(x0), PROPER(dbl(z0)))
PROPER(first(x0, first(z0, z1))) → c45(FIRST(proper(x0), first(proper(z0), proper(z1))), PROPER(x0), PROPER(first(z0, z1)))
PROPER(first(x0, nil)) → c45(FIRST(proper(x0), ok(nil)), PROPER(x0), PROPER(nil))
PROPER(first(terms(z0), x1)) → c45(FIRST(terms(proper(z0)), proper(x1)), PROPER(terms(z0)), PROPER(x1))
PROPER(first(cons(z0, z1), x1)) → c45(FIRST(cons(proper(z0), proper(z1)), proper(x1)), PROPER(cons(z0, z1)), PROPER(x1))
PROPER(first(recip(z0), x1)) → c45(FIRST(recip(proper(z0)), proper(x1)), PROPER(recip(z0)), PROPER(x1))
PROPER(first(sqr(z0), x1)) → c45(FIRST(sqr(proper(z0)), proper(x1)), PROPER(sqr(z0)), PROPER(x1))
PROPER(first(s(z0), x1)) → c45(FIRST(s(proper(z0)), proper(x1)), PROPER(s(z0)), PROPER(x1))
PROPER(first(0, x1)) → c45(FIRST(ok(0), proper(x1)), PROPER(0), PROPER(x1))
PROPER(first(add(z0, z1), x1)) → c45(FIRST(add(proper(z0), proper(z1)), proper(x1)), PROPER(add(z0, z1)), PROPER(x1))
PROPER(first(dbl(z0), x1)) → c45(FIRST(dbl(proper(z0)), proper(x1)), PROPER(dbl(z0)), PROPER(x1))
PROPER(first(first(z0, z1), x1)) → c45(FIRST(first(proper(z0), proper(z1)), proper(x1)), PROPER(first(z0, z1)), PROPER(x1))
PROPER(first(nil, x1)) → c45(FIRST(ok(nil), proper(x1)), PROPER(nil), PROPER(x1))

(58) Obligation:

Complexity Dependency Tuples Problem
Rules:

active(terms(z0)) → mark(cons(recip(sqr(z0)), terms(s(z0))))
active(sqr(0)) → mark(0)
active(sqr(s(z0))) → mark(s(add(sqr(z0), dbl(z0))))
active(dbl(0)) → mark(0)
active(dbl(s(z0))) → mark(s(s(dbl(z0))))
active(add(0, z0)) → mark(z0)
active(add(s(z0), z1)) → mark(s(add(z0, z1)))
active(first(0, z0)) → mark(nil)
active(first(s(z0), cons(z1, z2))) → mark(cons(z1, first(z0, z2)))
active(terms(z0)) → terms(active(z0))
active(cons(z0, z1)) → cons(active(z0), z1)
active(recip(z0)) → recip(active(z0))
active(sqr(z0)) → sqr(active(z0))
active(s(z0)) → s(active(z0))
active(add(z0, z1)) → add(active(z0), z1)
active(add(z0, z1)) → add(z0, active(z1))
active(dbl(z0)) → dbl(active(z0))
active(first(z0, z1)) → first(active(z0), z1)
active(first(z0, z1)) → first(z0, active(z1))
cons(ok(z0), ok(z1)) → ok(cons(z0, z1))
cons(mark(z0), z1) → mark(cons(z0, z1))
first(z0, mark(z1)) → mark(first(z0, z1))
first(mark(z0), z1) → mark(first(z0, z1))
first(ok(z0), ok(z1)) → ok(first(z0, z1))
terms(mark(z0)) → mark(terms(z0))
terms(ok(z0)) → ok(terms(z0))
recip(mark(z0)) → mark(recip(z0))
recip(ok(z0)) → ok(recip(z0))
sqr(mark(z0)) → mark(sqr(z0))
sqr(ok(z0)) → ok(sqr(z0))
s(mark(z0)) → mark(s(z0))
s(ok(z0)) → ok(s(z0))
add(mark(z0), z1) → mark(add(z0, z1))
add(ok(z0), ok(z1)) → ok(add(z0, z1))
add(z0, mark(z1)) → mark(add(z0, z1))
dbl(mark(z0)) → mark(dbl(z0))
dbl(ok(z0)) → ok(dbl(z0))
proper(terms(z0)) → terms(proper(z0))
proper(cons(z0, z1)) → cons(proper(z0), proper(z1))
proper(recip(z0)) → recip(proper(z0))
proper(sqr(z0)) → sqr(proper(z0))
proper(s(z0)) → s(proper(z0))
proper(0) → ok(0)
proper(add(z0, z1)) → add(proper(z0), proper(z1))
proper(dbl(z0)) → dbl(proper(z0))
proper(first(z0, z1)) → first(proper(z0), proper(z1))
proper(nil) → ok(nil)
Tuples:

ACTIVE(add(z0, z1)) → c14(ADD(active(z0), z1), ACTIVE(z0))
ACTIVE(add(z0, z1)) → c15(ADD(z0, active(z1)), ACTIVE(z1))
ACTIVE(first(z0, z1)) → c17(FIRST(active(z0), z1), ACTIVE(z0))
ACTIVE(first(z0, z1)) → c18(FIRST(z0, active(z1)), ACTIVE(z1))
TERMS(mark(z0)) → c19(TERMS(z0))
TERMS(ok(z0)) → c20(TERMS(z0))
CONS(mark(z0), z1) → c21(CONS(z0, z1))
CONS(ok(z0), ok(z1)) → c22(CONS(z0, z1))
RECIP(mark(z0)) → c23(RECIP(z0))
RECIP(ok(z0)) → c24(RECIP(z0))
SQR(mark(z0)) → c25(SQR(z0))
SQR(ok(z0)) → c26(SQR(z0))
S(mark(z0)) → c27(S(z0))
S(ok(z0)) → c28(S(z0))
ADD(mark(z0), z1) → c29(ADD(z0, z1))
ADD(z0, mark(z1)) → c30(ADD(z0, z1))
ADD(ok(z0), ok(z1)) → c31(ADD(z0, z1))
DBL(mark(z0)) → c32(DBL(z0))
DBL(ok(z0)) → c33(DBL(z0))
FIRST(mark(z0), z1) → c34(FIRST(z0, z1))
FIRST(z0, mark(z1)) → c35(FIRST(z0, z1))
FIRST(ok(z0), ok(z1)) → c36(FIRST(z0, z1))
TOP(mark(z0)) → c47(TOP(proper(z0)), PROPER(z0))
TOP(ok(z0)) → c48(TOP(active(z0)), ACTIVE(z0))
ACTIVE(dbl(s(z0))) → c4(DBL(z0))
ACTIVE(add(s(z0), z1)) → c6(ADD(z0, z1))
ACTIVE(first(s(z0), cons(z1, z2))) → c1(CONS(z1, first(z0, z2)))
ACTIVE(first(s(z0), cons(z1, z2))) → c1(FIRST(z0, z2))
ACTIVE(terms(z0)) → c1(SQR(z0))
ACTIVE(terms(z0)) → c1(S(z0))
ACTIVE(sqr(s(z0))) → c1(SQR(z0))
ACTIVE(sqr(s(z0))) → c1(DBL(z0))
ACTIVE(terms(terms(z0))) → c9(TERMS(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(terms(sqr(s(z0)))) → c9(TERMS(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(terms(dbl(s(z0)))) → c9(TERMS(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(terms(add(0, z0))) → c9(TERMS(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(terms(add(s(z0), z1))) → c9(TERMS(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(terms(first(0, z0))) → c9(TERMS(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(terms(first(s(z0), cons(z1, z2)))) → c9(TERMS(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(terms(terms(z0))) → c9(TERMS(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(terms(cons(z0, z1))) → c9(TERMS(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(terms(recip(z0))) → c9(TERMS(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(terms(sqr(z0))) → c9(TERMS(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(terms(s(z0))) → c9(TERMS(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(terms(add(z0, z1))) → c9(TERMS(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(terms(add(z0, z1))) → c9(TERMS(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(terms(dbl(z0))) → c9(TERMS(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(terms(first(z0, z1))) → c9(TERMS(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(terms(first(z0, z1))) → c9(TERMS(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(cons(terms(z0), x1)) → c10(CONS(mark(cons(recip(sqr(z0)), terms(s(z0)))), x1), ACTIVE(terms(z0)))
ACTIVE(cons(sqr(s(z0)), x1)) → c10(CONS(mark(s(add(sqr(z0), dbl(z0)))), x1), ACTIVE(sqr(s(z0))))
ACTIVE(cons(dbl(s(z0)), x1)) → c10(CONS(mark(s(s(dbl(z0)))), x1), ACTIVE(dbl(s(z0))))
ACTIVE(cons(add(0, z0), x1)) → c10(CONS(mark(z0), x1), ACTIVE(add(0, z0)))
ACTIVE(cons(add(s(z0), z1), x1)) → c10(CONS(mark(s(add(z0, z1))), x1), ACTIVE(add(s(z0), z1)))
ACTIVE(cons(first(0, z0), x1)) → c10(CONS(mark(nil), x1), ACTIVE(first(0, z0)))
ACTIVE(cons(first(s(z0), cons(z1, z2)), x1)) → c10(CONS(mark(cons(z1, first(z0, z2))), x1), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(cons(terms(z0), x1)) → c10(CONS(terms(active(z0)), x1), ACTIVE(terms(z0)))
ACTIVE(cons(cons(z0, z1), x1)) → c10(CONS(cons(active(z0), z1), x1), ACTIVE(cons(z0, z1)))
ACTIVE(cons(recip(z0), x1)) → c10(CONS(recip(active(z0)), x1), ACTIVE(recip(z0)))
ACTIVE(cons(sqr(z0), x1)) → c10(CONS(sqr(active(z0)), x1), ACTIVE(sqr(z0)))
ACTIVE(cons(s(z0), x1)) → c10(CONS(s(active(z0)), x1), ACTIVE(s(z0)))
ACTIVE(cons(add(z0, z1), x1)) → c10(CONS(add(active(z0), z1), x1), ACTIVE(add(z0, z1)))
ACTIVE(cons(add(z0, z1), x1)) → c10(CONS(add(z0, active(z1)), x1), ACTIVE(add(z0, z1)))
ACTIVE(cons(dbl(z0), x1)) → c10(CONS(dbl(active(z0)), x1), ACTIVE(dbl(z0)))
ACTIVE(cons(first(z0, z1), x1)) → c10(CONS(first(active(z0), z1), x1), ACTIVE(first(z0, z1)))
ACTIVE(cons(first(z0, z1), x1)) → c10(CONS(first(z0, active(z1)), x1), ACTIVE(first(z0, z1)))
ACTIVE(recip(terms(z0))) → c11(RECIP(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(recip(sqr(s(z0)))) → c11(RECIP(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(recip(dbl(s(z0)))) → c11(RECIP(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(recip(add(0, z0))) → c11(RECIP(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(recip(add(s(z0), z1))) → c11(RECIP(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(recip(first(0, z0))) → c11(RECIP(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(recip(first(s(z0), cons(z1, z2)))) → c11(RECIP(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(recip(terms(z0))) → c11(RECIP(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(recip(cons(z0, z1))) → c11(RECIP(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(recip(recip(z0))) → c11(RECIP(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(recip(sqr(z0))) → c11(RECIP(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(recip(s(z0))) → c11(RECIP(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(recip(add(z0, z1))) → c11(RECIP(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(recip(add(z0, z1))) → c11(RECIP(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(recip(dbl(z0))) → c11(RECIP(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(recip(first(z0, z1))) → c11(RECIP(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(recip(first(z0, z1))) → c11(RECIP(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(sqr(terms(z0))) → c12(SQR(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(sqr(sqr(s(z0)))) → c12(SQR(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(sqr(dbl(s(z0)))) → c12(SQR(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(sqr(add(0, z0))) → c12(SQR(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(sqr(add(s(z0), z1))) → c12(SQR(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(sqr(first(0, z0))) → c12(SQR(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(sqr(first(s(z0), cons(z1, z2)))) → c12(SQR(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(sqr(terms(z0))) → c12(SQR(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(sqr(cons(z0, z1))) → c12(SQR(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(sqr(recip(z0))) → c12(SQR(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(sqr(sqr(z0))) → c12(SQR(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(sqr(s(z0))) → c12(SQR(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(sqr(add(z0, z1))) → c12(SQR(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(sqr(add(z0, z1))) → c12(SQR(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(sqr(dbl(z0))) → c12(SQR(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(sqr(first(z0, z1))) → c12(SQR(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(sqr(first(z0, z1))) → c12(SQR(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(terms(sqr(0))) → c9(TERMS(mark(0)))
ACTIVE(cons(sqr(0), x1)) → c10(CONS(mark(0), x1))
ACTIVE(recip(sqr(0))) → c11(RECIP(mark(0)))
ACTIVE(sqr(sqr(0))) → c12(SQR(mark(0)))
ACTIVE(s(terms(z0))) → c13(S(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(s(sqr(s(z0)))) → c13(S(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(s(dbl(s(z0)))) → c13(S(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(s(add(0, z0))) → c13(S(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(s(add(s(z0), z1))) → c13(S(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(s(first(0, z0))) → c13(S(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(s(first(s(z0), cons(z1, z2)))) → c13(S(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(s(terms(z0))) → c13(S(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(s(cons(z0, z1))) → c13(S(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(s(recip(z0))) → c13(S(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(s(sqr(z0))) → c13(S(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(s(s(z0))) → c13(S(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(s(add(z0, z1))) → c13(S(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(s(add(z0, z1))) → c13(S(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(s(dbl(z0))) → c13(S(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(s(first(z0, z1))) → c13(S(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(s(first(z0, z1))) → c13(S(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(s(sqr(0))) → c13(S(mark(0)))
ACTIVE(dbl(terms(z0))) → c16(DBL(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(dbl(sqr(s(z0)))) → c16(DBL(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(dbl(dbl(s(z0)))) → c16(DBL(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(dbl(add(0, z0))) → c16(DBL(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(dbl(add(s(z0), z1))) → c16(DBL(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(dbl(first(0, z0))) → c16(DBL(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(dbl(first(s(z0), cons(z1, z2)))) → c16(DBL(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(dbl(terms(z0))) → c16(DBL(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(dbl(cons(z0, z1))) → c16(DBL(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(dbl(recip(z0))) → c16(DBL(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(dbl(sqr(z0))) → c16(DBL(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(dbl(s(z0))) → c16(DBL(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(dbl(add(z0, z1))) → c16(DBL(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(dbl(add(z0, z1))) → c16(DBL(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(dbl(dbl(z0))) → c16(DBL(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(dbl(first(z0, z1))) → c16(DBL(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(dbl(first(z0, z1))) → c16(DBL(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(terms(dbl(0))) → c9(TERMS(mark(0)))
ACTIVE(cons(dbl(0), x1)) → c10(CONS(mark(0), x1))
ACTIVE(recip(dbl(0))) → c11(RECIP(mark(0)))
ACTIVE(sqr(dbl(0))) → c12(SQR(mark(0)))
ACTIVE(s(dbl(0))) → c13(S(mark(0)))
ACTIVE(dbl(sqr(0))) → c16(DBL(mark(0)))
ACTIVE(dbl(dbl(0))) → c16(DBL(mark(0)))
PROPER(terms(terms(z0))) → c37(TERMS(terms(proper(z0))), PROPER(terms(z0)))
PROPER(terms(cons(z0, z1))) → c37(TERMS(cons(proper(z0), proper(z1))), PROPER(cons(z0, z1)))
PROPER(terms(recip(z0))) → c37(TERMS(recip(proper(z0))), PROPER(recip(z0)))
PROPER(terms(sqr(z0))) → c37(TERMS(sqr(proper(z0))), PROPER(sqr(z0)))
PROPER(terms(s(z0))) → c37(TERMS(s(proper(z0))), PROPER(s(z0)))
PROPER(terms(add(z0, z1))) → c37(TERMS(add(proper(z0), proper(z1))), PROPER(add(z0, z1)))
PROPER(terms(dbl(z0))) → c37(TERMS(dbl(proper(z0))), PROPER(dbl(z0)))
PROPER(terms(first(z0, z1))) → c37(TERMS(first(proper(z0), proper(z1))), PROPER(first(z0, z1)))
PROPER(terms(0)) → c37(TERMS(ok(0)))
PROPER(terms(nil)) → c37(TERMS(ok(nil)))
PROPER(cons(x0, terms(z0))) → c38(CONS(proper(x0), terms(proper(z0))), PROPER(x0), PROPER(terms(z0)))
PROPER(cons(x0, cons(z0, z1))) → c38(CONS(proper(x0), cons(proper(z0), proper(z1))), PROPER(x0), PROPER(cons(z0, z1)))
PROPER(cons(x0, recip(z0))) → c38(CONS(proper(x0), recip(proper(z0))), PROPER(x0), PROPER(recip(z0)))
PROPER(cons(x0, sqr(z0))) → c38(CONS(proper(x0), sqr(proper(z0))), PROPER(x0), PROPER(sqr(z0)))
PROPER(cons(x0, s(z0))) → c38(CONS(proper(x0), s(proper(z0))), PROPER(x0), PROPER(s(z0)))
PROPER(cons(x0, add(z0, z1))) → c38(CONS(proper(x0), add(proper(z0), proper(z1))), PROPER(x0), PROPER(add(z0, z1)))
PROPER(cons(x0, dbl(z0))) → c38(CONS(proper(x0), dbl(proper(z0))), PROPER(x0), PROPER(dbl(z0)))
PROPER(cons(x0, first(z0, z1))) → c38(CONS(proper(x0), first(proper(z0), proper(z1))), PROPER(x0), PROPER(first(z0, z1)))
PROPER(cons(terms(z0), x1)) → c38(CONS(terms(proper(z0)), proper(x1)), PROPER(terms(z0)), PROPER(x1))
PROPER(cons(cons(z0, z1), x1)) → c38(CONS(cons(proper(z0), proper(z1)), proper(x1)), PROPER(cons(z0, z1)), PROPER(x1))
PROPER(cons(recip(z0), x1)) → c38(CONS(recip(proper(z0)), proper(x1)), PROPER(recip(z0)), PROPER(x1))
PROPER(cons(sqr(z0), x1)) → c38(CONS(sqr(proper(z0)), proper(x1)), PROPER(sqr(z0)), PROPER(x1))
PROPER(cons(s(z0), x1)) → c38(CONS(s(proper(z0)), proper(x1)), PROPER(s(z0)), PROPER(x1))
PROPER(cons(add(z0, z1), x1)) → c38(CONS(add(proper(z0), proper(z1)), proper(x1)), PROPER(add(z0, z1)), PROPER(x1))
PROPER(cons(dbl(z0), x1)) → c38(CONS(dbl(proper(z0)), proper(x1)), PROPER(dbl(z0)), PROPER(x1))
PROPER(cons(first(z0, z1), x1)) → c38(CONS(first(proper(z0), proper(z1)), proper(x1)), PROPER(first(z0, z1)), PROPER(x1))
PROPER(cons(x0, 0)) → c38(CONS(proper(x0), ok(0)), PROPER(x0))
PROPER(cons(x0, nil)) → c38(CONS(proper(x0), ok(nil)), PROPER(x0))
PROPER(cons(0, x1)) → c38(CONS(ok(0), proper(x1)), PROPER(x1))
PROPER(cons(nil, x1)) → c38(CONS(ok(nil), proper(x1)), PROPER(x1))
PROPER(recip(terms(z0))) → c39(RECIP(terms(proper(z0))), PROPER(terms(z0)))
PROPER(recip(cons(z0, z1))) → c39(RECIP(cons(proper(z0), proper(z1))), PROPER(cons(z0, z1)))
PROPER(recip(recip(z0))) → c39(RECIP(recip(proper(z0))), PROPER(recip(z0)))
PROPER(recip(sqr(z0))) → c39(RECIP(sqr(proper(z0))), PROPER(sqr(z0)))
PROPER(recip(s(z0))) → c39(RECIP(s(proper(z0))), PROPER(s(z0)))
PROPER(recip(add(z0, z1))) → c39(RECIP(add(proper(z0), proper(z1))), PROPER(add(z0, z1)))
PROPER(recip(dbl(z0))) → c39(RECIP(dbl(proper(z0))), PROPER(dbl(z0)))
PROPER(recip(first(z0, z1))) → c39(RECIP(first(proper(z0), proper(z1))), PROPER(first(z0, z1)))
PROPER(recip(0)) → c39(RECIP(ok(0)))
PROPER(recip(nil)) → c39(RECIP(ok(nil)))
PROPER(sqr(terms(z0))) → c40(SQR(terms(proper(z0))), PROPER(terms(z0)))
PROPER(sqr(cons(z0, z1))) → c40(SQR(cons(proper(z0), proper(z1))), PROPER(cons(z0, z1)))
PROPER(sqr(recip(z0))) → c40(SQR(recip(proper(z0))), PROPER(recip(z0)))
PROPER(sqr(sqr(z0))) → c40(SQR(sqr(proper(z0))), PROPER(sqr(z0)))
PROPER(sqr(s(z0))) → c40(SQR(s(proper(z0))), PROPER(s(z0)))
PROPER(sqr(add(z0, z1))) → c40(SQR(add(proper(z0), proper(z1))), PROPER(add(z0, z1)))
PROPER(sqr(dbl(z0))) → c40(SQR(dbl(proper(z0))), PROPER(dbl(z0)))
PROPER(sqr(first(z0, z1))) → c40(SQR(first(proper(z0), proper(z1))), PROPER(first(z0, z1)))
PROPER(sqr(0)) → c40(SQR(ok(0)))
PROPER(sqr(nil)) → c40(SQR(ok(nil)))
PROPER(s(terms(z0))) → c41(S(terms(proper(z0))), PROPER(terms(z0)))
PROPER(s(cons(z0, z1))) → c41(S(cons(proper(z0), proper(z1))), PROPER(cons(z0, z1)))
PROPER(s(recip(z0))) → c41(S(recip(proper(z0))), PROPER(recip(z0)))
PROPER(s(sqr(z0))) → c41(S(sqr(proper(z0))), PROPER(sqr(z0)))
PROPER(s(s(z0))) → c41(S(s(proper(z0))), PROPER(s(z0)))
PROPER(s(add(z0, z1))) → c41(S(add(proper(z0), proper(z1))), PROPER(add(z0, z1)))
PROPER(s(dbl(z0))) → c41(S(dbl(proper(z0))), PROPER(dbl(z0)))
PROPER(s(first(z0, z1))) → c41(S(first(proper(z0), proper(z1))), PROPER(first(z0, z1)))
PROPER(s(0)) → c41(S(ok(0)))
PROPER(s(nil)) → c41(S(ok(nil)))
PROPER(add(x0, terms(z0))) → c43(ADD(proper(x0), terms(proper(z0))), PROPER(x0), PROPER(terms(z0)))
PROPER(add(x0, cons(z0, z1))) → c43(ADD(proper(x0), cons(proper(z0), proper(z1))), PROPER(x0), PROPER(cons(z0, z1)))
PROPER(add(x0, recip(z0))) → c43(ADD(proper(x0), recip(proper(z0))), PROPER(x0), PROPER(recip(z0)))
PROPER(add(x0, sqr(z0))) → c43(ADD(proper(x0), sqr(proper(z0))), PROPER(x0), PROPER(sqr(z0)))
PROPER(add(x0, s(z0))) → c43(ADD(proper(x0), s(proper(z0))), PROPER(x0), PROPER(s(z0)))
PROPER(add(x0, add(z0, z1))) → c43(ADD(proper(x0), add(proper(z0), proper(z1))), PROPER(x0), PROPER(add(z0, z1)))
PROPER(add(x0, dbl(z0))) → c43(ADD(proper(x0), dbl(proper(z0))), PROPER(x0), PROPER(dbl(z0)))
PROPER(add(x0, first(z0, z1))) → c43(ADD(proper(x0), first(proper(z0), proper(z1))), PROPER(x0), PROPER(first(z0, z1)))
PROPER(add(terms(z0), x1)) → c43(ADD(terms(proper(z0)), proper(x1)), PROPER(terms(z0)), PROPER(x1))
PROPER(add(cons(z0, z1), x1)) → c43(ADD(cons(proper(z0), proper(z1)), proper(x1)), PROPER(cons(z0, z1)), PROPER(x1))
PROPER(add(recip(z0), x1)) → c43(ADD(recip(proper(z0)), proper(x1)), PROPER(recip(z0)), PROPER(x1))
PROPER(add(sqr(z0), x1)) → c43(ADD(sqr(proper(z0)), proper(x1)), PROPER(sqr(z0)), PROPER(x1))
PROPER(add(s(z0), x1)) → c43(ADD(s(proper(z0)), proper(x1)), PROPER(s(z0)), PROPER(x1))
PROPER(add(add(z0, z1), x1)) → c43(ADD(add(proper(z0), proper(z1)), proper(x1)), PROPER(add(z0, z1)), PROPER(x1))
PROPER(add(dbl(z0), x1)) → c43(ADD(dbl(proper(z0)), proper(x1)), PROPER(dbl(z0)), PROPER(x1))
PROPER(add(first(z0, z1), x1)) → c43(ADD(first(proper(z0), proper(z1)), proper(x1)), PROPER(first(z0, z1)), PROPER(x1))
PROPER(add(x0, 0)) → c43(ADD(proper(x0), ok(0)), PROPER(x0))
PROPER(add(x0, nil)) → c43(ADD(proper(x0), ok(nil)), PROPER(x0))
PROPER(add(0, x1)) → c43(ADD(ok(0), proper(x1)), PROPER(x1))
PROPER(add(nil, x1)) → c43(ADD(ok(nil), proper(x1)), PROPER(x1))
PROPER(dbl(terms(z0))) → c44(DBL(terms(proper(z0))), PROPER(terms(z0)))
PROPER(dbl(cons(z0, z1))) → c44(DBL(cons(proper(z0), proper(z1))), PROPER(cons(z0, z1)))
PROPER(dbl(recip(z0))) → c44(DBL(recip(proper(z0))), PROPER(recip(z0)))
PROPER(dbl(sqr(z0))) → c44(DBL(sqr(proper(z0))), PROPER(sqr(z0)))
PROPER(dbl(s(z0))) → c44(DBL(s(proper(z0))), PROPER(s(z0)))
PROPER(dbl(add(z0, z1))) → c44(DBL(add(proper(z0), proper(z1))), PROPER(add(z0, z1)))
PROPER(dbl(dbl(z0))) → c44(DBL(dbl(proper(z0))), PROPER(dbl(z0)))
PROPER(dbl(first(z0, z1))) → c44(DBL(first(proper(z0), proper(z1))), PROPER(first(z0, z1)))
PROPER(dbl(0)) → c44(DBL(ok(0)))
PROPER(dbl(nil)) → c44(DBL(ok(nil)))
PROPER(first(x0, terms(z0))) → c45(FIRST(proper(x0), terms(proper(z0))), PROPER(x0), PROPER(terms(z0)))
PROPER(first(x0, cons(z0, z1))) → c45(FIRST(proper(x0), cons(proper(z0), proper(z1))), PROPER(x0), PROPER(cons(z0, z1)))
PROPER(first(x0, recip(z0))) → c45(FIRST(proper(x0), recip(proper(z0))), PROPER(x0), PROPER(recip(z0)))
PROPER(first(x0, sqr(z0))) → c45(FIRST(proper(x0), sqr(proper(z0))), PROPER(x0), PROPER(sqr(z0)))
PROPER(first(x0, s(z0))) → c45(FIRST(proper(x0), s(proper(z0))), PROPER(x0), PROPER(s(z0)))
PROPER(first(x0, 0)) → c45(FIRST(proper(x0), ok(0)), PROPER(x0), PROPER(0))
PROPER(first(x0, add(z0, z1))) → c45(FIRST(proper(x0), add(proper(z0), proper(z1))), PROPER(x0), PROPER(add(z0, z1)))
PROPER(first(x0, dbl(z0))) → c45(FIRST(proper(x0), dbl(proper(z0))), PROPER(x0), PROPER(dbl(z0)))
PROPER(first(x0, first(z0, z1))) → c45(FIRST(proper(x0), first(proper(z0), proper(z1))), PROPER(x0), PROPER(first(z0, z1)))
PROPER(first(x0, nil)) → c45(FIRST(proper(x0), ok(nil)), PROPER(x0), PROPER(nil))
PROPER(first(terms(z0), x1)) → c45(FIRST(terms(proper(z0)), proper(x1)), PROPER(terms(z0)), PROPER(x1))
PROPER(first(cons(z0, z1), x1)) → c45(FIRST(cons(proper(z0), proper(z1)), proper(x1)), PROPER(cons(z0, z1)), PROPER(x1))
PROPER(first(recip(z0), x1)) → c45(FIRST(recip(proper(z0)), proper(x1)), PROPER(recip(z0)), PROPER(x1))
PROPER(first(sqr(z0), x1)) → c45(FIRST(sqr(proper(z0)), proper(x1)), PROPER(sqr(z0)), PROPER(x1))
PROPER(first(s(z0), x1)) → c45(FIRST(s(proper(z0)), proper(x1)), PROPER(s(z0)), PROPER(x1))
PROPER(first(0, x1)) → c45(FIRST(ok(0), proper(x1)), PROPER(0), PROPER(x1))
PROPER(first(add(z0, z1), x1)) → c45(FIRST(add(proper(z0), proper(z1)), proper(x1)), PROPER(add(z0, z1)), PROPER(x1))
PROPER(first(dbl(z0), x1)) → c45(FIRST(dbl(proper(z0)), proper(x1)), PROPER(dbl(z0)), PROPER(x1))
PROPER(first(first(z0, z1), x1)) → c45(FIRST(first(proper(z0), proper(z1)), proper(x1)), PROPER(first(z0, z1)), PROPER(x1))
PROPER(first(nil, x1)) → c45(FIRST(ok(nil), proper(x1)), PROPER(nil), PROPER(x1))
S tuples:

ACTIVE(add(z0, z1)) → c14(ADD(active(z0), z1), ACTIVE(z0))
ACTIVE(add(z0, z1)) → c15(ADD(z0, active(z1)), ACTIVE(z1))
ACTIVE(first(z0, z1)) → c17(FIRST(active(z0), z1), ACTIVE(z0))
ACTIVE(first(z0, z1)) → c18(FIRST(z0, active(z1)), ACTIVE(z1))
TERMS(mark(z0)) → c19(TERMS(z0))
TERMS(ok(z0)) → c20(TERMS(z0))
CONS(mark(z0), z1) → c21(CONS(z0, z1))
CONS(ok(z0), ok(z1)) → c22(CONS(z0, z1))
RECIP(mark(z0)) → c23(RECIP(z0))
RECIP(ok(z0)) → c24(RECIP(z0))
SQR(mark(z0)) → c25(SQR(z0))
SQR(ok(z0)) → c26(SQR(z0))
S(mark(z0)) → c27(S(z0))
S(ok(z0)) → c28(S(z0))
ADD(mark(z0), z1) → c29(ADD(z0, z1))
ADD(z0, mark(z1)) → c30(ADD(z0, z1))
ADD(ok(z0), ok(z1)) → c31(ADD(z0, z1))
DBL(mark(z0)) → c32(DBL(z0))
DBL(ok(z0)) → c33(DBL(z0))
FIRST(mark(z0), z1) → c34(FIRST(z0, z1))
FIRST(z0, mark(z1)) → c35(FIRST(z0, z1))
FIRST(ok(z0), ok(z1)) → c36(FIRST(z0, z1))
TOP(mark(z0)) → c47(TOP(proper(z0)), PROPER(z0))
TOP(ok(z0)) → c48(TOP(active(z0)), ACTIVE(z0))
ACTIVE(dbl(s(z0))) → c4(DBL(z0))
ACTIVE(add(s(z0), z1)) → c6(ADD(z0, z1))
ACTIVE(first(s(z0), cons(z1, z2))) → c1(CONS(z1, first(z0, z2)))
ACTIVE(first(s(z0), cons(z1, z2))) → c1(FIRST(z0, z2))
ACTIVE(terms(z0)) → c1(SQR(z0))
ACTIVE(terms(z0)) → c1(S(z0))
ACTIVE(sqr(s(z0))) → c1(SQR(z0))
ACTIVE(sqr(s(z0))) → c1(DBL(z0))
ACTIVE(terms(terms(z0))) → c9(TERMS(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(terms(sqr(s(z0)))) → c9(TERMS(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(terms(dbl(s(z0)))) → c9(TERMS(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(terms(add(0, z0))) → c9(TERMS(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(terms(add(s(z0), z1))) → c9(TERMS(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(terms(first(0, z0))) → c9(TERMS(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(terms(first(s(z0), cons(z1, z2)))) → c9(TERMS(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(terms(terms(z0))) → c9(TERMS(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(terms(cons(z0, z1))) → c9(TERMS(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(terms(recip(z0))) → c9(TERMS(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(terms(sqr(z0))) → c9(TERMS(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(terms(s(z0))) → c9(TERMS(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(terms(add(z0, z1))) → c9(TERMS(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(terms(add(z0, z1))) → c9(TERMS(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(terms(dbl(z0))) → c9(TERMS(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(terms(first(z0, z1))) → c9(TERMS(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(terms(first(z0, z1))) → c9(TERMS(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(cons(terms(z0), x1)) → c10(CONS(mark(cons(recip(sqr(z0)), terms(s(z0)))), x1), ACTIVE(terms(z0)))
ACTIVE(cons(sqr(s(z0)), x1)) → c10(CONS(mark(s(add(sqr(z0), dbl(z0)))), x1), ACTIVE(sqr(s(z0))))
ACTIVE(cons(dbl(s(z0)), x1)) → c10(CONS(mark(s(s(dbl(z0)))), x1), ACTIVE(dbl(s(z0))))
ACTIVE(cons(add(0, z0), x1)) → c10(CONS(mark(z0), x1), ACTIVE(add(0, z0)))
ACTIVE(cons(add(s(z0), z1), x1)) → c10(CONS(mark(s(add(z0, z1))), x1), ACTIVE(add(s(z0), z1)))
ACTIVE(cons(first(0, z0), x1)) → c10(CONS(mark(nil), x1), ACTIVE(first(0, z0)))
ACTIVE(cons(first(s(z0), cons(z1, z2)), x1)) → c10(CONS(mark(cons(z1, first(z0, z2))), x1), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(cons(terms(z0), x1)) → c10(CONS(terms(active(z0)), x1), ACTIVE(terms(z0)))
ACTIVE(cons(cons(z0, z1), x1)) → c10(CONS(cons(active(z0), z1), x1), ACTIVE(cons(z0, z1)))
ACTIVE(cons(recip(z0), x1)) → c10(CONS(recip(active(z0)), x1), ACTIVE(recip(z0)))
ACTIVE(cons(sqr(z0), x1)) → c10(CONS(sqr(active(z0)), x1), ACTIVE(sqr(z0)))
ACTIVE(cons(s(z0), x1)) → c10(CONS(s(active(z0)), x1), ACTIVE(s(z0)))
ACTIVE(cons(add(z0, z1), x1)) → c10(CONS(add(active(z0), z1), x1), ACTIVE(add(z0, z1)))
ACTIVE(cons(add(z0, z1), x1)) → c10(CONS(add(z0, active(z1)), x1), ACTIVE(add(z0, z1)))
ACTIVE(cons(dbl(z0), x1)) → c10(CONS(dbl(active(z0)), x1), ACTIVE(dbl(z0)))
ACTIVE(cons(first(z0, z1), x1)) → c10(CONS(first(active(z0), z1), x1), ACTIVE(first(z0, z1)))
ACTIVE(cons(first(z0, z1), x1)) → c10(CONS(first(z0, active(z1)), x1), ACTIVE(first(z0, z1)))
ACTIVE(recip(terms(z0))) → c11(RECIP(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(recip(sqr(s(z0)))) → c11(RECIP(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(recip(dbl(s(z0)))) → c11(RECIP(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(recip(add(0, z0))) → c11(RECIP(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(recip(add(s(z0), z1))) → c11(RECIP(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(recip(first(0, z0))) → c11(RECIP(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(recip(first(s(z0), cons(z1, z2)))) → c11(RECIP(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(recip(terms(z0))) → c11(RECIP(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(recip(cons(z0, z1))) → c11(RECIP(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(recip(recip(z0))) → c11(RECIP(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(recip(sqr(z0))) → c11(RECIP(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(recip(s(z0))) → c11(RECIP(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(recip(add(z0, z1))) → c11(RECIP(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(recip(add(z0, z1))) → c11(RECIP(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(recip(dbl(z0))) → c11(RECIP(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(recip(first(z0, z1))) → c11(RECIP(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(recip(first(z0, z1))) → c11(RECIP(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(sqr(terms(z0))) → c12(SQR(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(sqr(sqr(s(z0)))) → c12(SQR(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(sqr(dbl(s(z0)))) → c12(SQR(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(sqr(add(0, z0))) → c12(SQR(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(sqr(add(s(z0), z1))) → c12(SQR(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(sqr(first(0, z0))) → c12(SQR(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(sqr(first(s(z0), cons(z1, z2)))) → c12(SQR(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(sqr(terms(z0))) → c12(SQR(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(sqr(cons(z0, z1))) → c12(SQR(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(sqr(recip(z0))) → c12(SQR(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(sqr(sqr(z0))) → c12(SQR(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(sqr(s(z0))) → c12(SQR(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(sqr(add(z0, z1))) → c12(SQR(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(sqr(add(z0, z1))) → c12(SQR(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(sqr(dbl(z0))) → c12(SQR(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(sqr(first(z0, z1))) → c12(SQR(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(sqr(first(z0, z1))) → c12(SQR(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(terms(sqr(0))) → c9(TERMS(mark(0)))
ACTIVE(cons(sqr(0), x1)) → c10(CONS(mark(0), x1))
ACTIVE(recip(sqr(0))) → c11(RECIP(mark(0)))
ACTIVE(sqr(sqr(0))) → c12(SQR(mark(0)))
ACTIVE(s(terms(z0))) → c13(S(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(s(sqr(s(z0)))) → c13(S(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(s(dbl(s(z0)))) → c13(S(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(s(add(0, z0))) → c13(S(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(s(add(s(z0), z1))) → c13(S(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(s(first(0, z0))) → c13(S(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(s(first(s(z0), cons(z1, z2)))) → c13(S(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(s(terms(z0))) → c13(S(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(s(cons(z0, z1))) → c13(S(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(s(recip(z0))) → c13(S(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(s(sqr(z0))) → c13(S(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(s(s(z0))) → c13(S(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(s(add(z0, z1))) → c13(S(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(s(add(z0, z1))) → c13(S(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(s(dbl(z0))) → c13(S(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(s(first(z0, z1))) → c13(S(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(s(first(z0, z1))) → c13(S(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(s(sqr(0))) → c13(S(mark(0)))
ACTIVE(dbl(terms(z0))) → c16(DBL(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(dbl(sqr(s(z0)))) → c16(DBL(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(dbl(dbl(s(z0)))) → c16(DBL(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(dbl(add(0, z0))) → c16(DBL(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(dbl(add(s(z0), z1))) → c16(DBL(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(dbl(first(0, z0))) → c16(DBL(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(dbl(first(s(z0), cons(z1, z2)))) → c16(DBL(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(dbl(terms(z0))) → c16(DBL(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(dbl(cons(z0, z1))) → c16(DBL(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(dbl(recip(z0))) → c16(DBL(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(dbl(sqr(z0))) → c16(DBL(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(dbl(s(z0))) → c16(DBL(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(dbl(add(z0, z1))) → c16(DBL(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(dbl(add(z0, z1))) → c16(DBL(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(dbl(dbl(z0))) → c16(DBL(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(dbl(first(z0, z1))) → c16(DBL(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(dbl(first(z0, z1))) → c16(DBL(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(terms(dbl(0))) → c9(TERMS(mark(0)))
ACTIVE(cons(dbl(0), x1)) → c10(CONS(mark(0), x1))
ACTIVE(recip(dbl(0))) → c11(RECIP(mark(0)))
ACTIVE(sqr(dbl(0))) → c12(SQR(mark(0)))
ACTIVE(s(dbl(0))) → c13(S(mark(0)))
ACTIVE(dbl(sqr(0))) → c16(DBL(mark(0)))
ACTIVE(dbl(dbl(0))) → c16(DBL(mark(0)))
PROPER(terms(terms(z0))) → c37(TERMS(terms(proper(z0))), PROPER(terms(z0)))
PROPER(terms(cons(z0, z1))) → c37(TERMS(cons(proper(z0), proper(z1))), PROPER(cons(z0, z1)))
PROPER(terms(recip(z0))) → c37(TERMS(recip(proper(z0))), PROPER(recip(z0)))
PROPER(terms(sqr(z0))) → c37(TERMS(sqr(proper(z0))), PROPER(sqr(z0)))
PROPER(terms(s(z0))) → c37(TERMS(s(proper(z0))), PROPER(s(z0)))
PROPER(terms(add(z0, z1))) → c37(TERMS(add(proper(z0), proper(z1))), PROPER(add(z0, z1)))
PROPER(terms(dbl(z0))) → c37(TERMS(dbl(proper(z0))), PROPER(dbl(z0)))
PROPER(terms(first(z0, z1))) → c37(TERMS(first(proper(z0), proper(z1))), PROPER(first(z0, z1)))
PROPER(terms(0)) → c37(TERMS(ok(0)))
PROPER(terms(nil)) → c37(TERMS(ok(nil)))
PROPER(cons(x0, terms(z0))) → c38(CONS(proper(x0), terms(proper(z0))), PROPER(x0), PROPER(terms(z0)))
PROPER(cons(x0, cons(z0, z1))) → c38(CONS(proper(x0), cons(proper(z0), proper(z1))), PROPER(x0), PROPER(cons(z0, z1)))
PROPER(cons(x0, recip(z0))) → c38(CONS(proper(x0), recip(proper(z0))), PROPER(x0), PROPER(recip(z0)))
PROPER(cons(x0, sqr(z0))) → c38(CONS(proper(x0), sqr(proper(z0))), PROPER(x0), PROPER(sqr(z0)))
PROPER(cons(x0, s(z0))) → c38(CONS(proper(x0), s(proper(z0))), PROPER(x0), PROPER(s(z0)))
PROPER(cons(x0, add(z0, z1))) → c38(CONS(proper(x0), add(proper(z0), proper(z1))), PROPER(x0), PROPER(add(z0, z1)))
PROPER(cons(x0, dbl(z0))) → c38(CONS(proper(x0), dbl(proper(z0))), PROPER(x0), PROPER(dbl(z0)))
PROPER(cons(x0, first(z0, z1))) → c38(CONS(proper(x0), first(proper(z0), proper(z1))), PROPER(x0), PROPER(first(z0, z1)))
PROPER(cons(terms(z0), x1)) → c38(CONS(terms(proper(z0)), proper(x1)), PROPER(terms(z0)), PROPER(x1))
PROPER(cons(cons(z0, z1), x1)) → c38(CONS(cons(proper(z0), proper(z1)), proper(x1)), PROPER(cons(z0, z1)), PROPER(x1))
PROPER(cons(recip(z0), x1)) → c38(CONS(recip(proper(z0)), proper(x1)), PROPER(recip(z0)), PROPER(x1))
PROPER(cons(sqr(z0), x1)) → c38(CONS(sqr(proper(z0)), proper(x1)), PROPER(sqr(z0)), PROPER(x1))
PROPER(cons(s(z0), x1)) → c38(CONS(s(proper(z0)), proper(x1)), PROPER(s(z0)), PROPER(x1))
PROPER(cons(add(z0, z1), x1)) → c38(CONS(add(proper(z0), proper(z1)), proper(x1)), PROPER(add(z0, z1)), PROPER(x1))
PROPER(cons(dbl(z0), x1)) → c38(CONS(dbl(proper(z0)), proper(x1)), PROPER(dbl(z0)), PROPER(x1))
PROPER(cons(first(z0, z1), x1)) → c38(CONS(first(proper(z0), proper(z1)), proper(x1)), PROPER(first(z0, z1)), PROPER(x1))
PROPER(cons(x0, 0)) → c38(CONS(proper(x0), ok(0)), PROPER(x0))
PROPER(cons(x0, nil)) → c38(CONS(proper(x0), ok(nil)), PROPER(x0))
PROPER(cons(0, x1)) → c38(CONS(ok(0), proper(x1)), PROPER(x1))
PROPER(cons(nil, x1)) → c38(CONS(ok(nil), proper(x1)), PROPER(x1))
PROPER(recip(terms(z0))) → c39(RECIP(terms(proper(z0))), PROPER(terms(z0)))
PROPER(recip(cons(z0, z1))) → c39(RECIP(cons(proper(z0), proper(z1))), PROPER(cons(z0, z1)))
PROPER(recip(recip(z0))) → c39(RECIP(recip(proper(z0))), PROPER(recip(z0)))
PROPER(recip(sqr(z0))) → c39(RECIP(sqr(proper(z0))), PROPER(sqr(z0)))
PROPER(recip(s(z0))) → c39(RECIP(s(proper(z0))), PROPER(s(z0)))
PROPER(recip(add(z0, z1))) → c39(RECIP(add(proper(z0), proper(z1))), PROPER(add(z0, z1)))
PROPER(recip(dbl(z0))) → c39(RECIP(dbl(proper(z0))), PROPER(dbl(z0)))
PROPER(recip(first(z0, z1))) → c39(RECIP(first(proper(z0), proper(z1))), PROPER(first(z0, z1)))
PROPER(recip(0)) → c39(RECIP(ok(0)))
PROPER(recip(nil)) → c39(RECIP(ok(nil)))
PROPER(sqr(terms(z0))) → c40(SQR(terms(proper(z0))), PROPER(terms(z0)))
PROPER(sqr(cons(z0, z1))) → c40(SQR(cons(proper(z0), proper(z1))), PROPER(cons(z0, z1)))
PROPER(sqr(recip(z0))) → c40(SQR(recip(proper(z0))), PROPER(recip(z0)))
PROPER(sqr(sqr(z0))) → c40(SQR(sqr(proper(z0))), PROPER(sqr(z0)))
PROPER(sqr(s(z0))) → c40(SQR(s(proper(z0))), PROPER(s(z0)))
PROPER(sqr(add(z0, z1))) → c40(SQR(add(proper(z0), proper(z1))), PROPER(add(z0, z1)))
PROPER(sqr(dbl(z0))) → c40(SQR(dbl(proper(z0))), PROPER(dbl(z0)))
PROPER(sqr(first(z0, z1))) → c40(SQR(first(proper(z0), proper(z1))), PROPER(first(z0, z1)))
PROPER(sqr(0)) → c40(SQR(ok(0)))
PROPER(sqr(nil)) → c40(SQR(ok(nil)))
PROPER(s(terms(z0))) → c41(S(terms(proper(z0))), PROPER(terms(z0)))
PROPER(s(cons(z0, z1))) → c41(S(cons(proper(z0), proper(z1))), PROPER(cons(z0, z1)))
PROPER(s(recip(z0))) → c41(S(recip(proper(z0))), PROPER(recip(z0)))
PROPER(s(sqr(z0))) → c41(S(sqr(proper(z0))), PROPER(sqr(z0)))
PROPER(s(s(z0))) → c41(S(s(proper(z0))), PROPER(s(z0)))
PROPER(s(add(z0, z1))) → c41(S(add(proper(z0), proper(z1))), PROPER(add(z0, z1)))
PROPER(s(dbl(z0))) → c41(S(dbl(proper(z0))), PROPER(dbl(z0)))
PROPER(s(first(z0, z1))) → c41(S(first(proper(z0), proper(z1))), PROPER(first(z0, z1)))
PROPER(s(0)) → c41(S(ok(0)))
PROPER(s(nil)) → c41(S(ok(nil)))
PROPER(add(x0, terms(z0))) → c43(ADD(proper(x0), terms(proper(z0))), PROPER(x0), PROPER(terms(z0)))
PROPER(add(x0, cons(z0, z1))) → c43(ADD(proper(x0), cons(proper(z0), proper(z1))), PROPER(x0), PROPER(cons(z0, z1)))
PROPER(add(x0, recip(z0))) → c43(ADD(proper(x0), recip(proper(z0))), PROPER(x0), PROPER(recip(z0)))
PROPER(add(x0, sqr(z0))) → c43(ADD(proper(x0), sqr(proper(z0))), PROPER(x0), PROPER(sqr(z0)))
PROPER(add(x0, s(z0))) → c43(ADD(proper(x0), s(proper(z0))), PROPER(x0), PROPER(s(z0)))
PROPER(add(x0, add(z0, z1))) → c43(ADD(proper(x0), add(proper(z0), proper(z1))), PROPER(x0), PROPER(add(z0, z1)))
PROPER(add(x0, dbl(z0))) → c43(ADD(proper(x0), dbl(proper(z0))), PROPER(x0), PROPER(dbl(z0)))
PROPER(add(x0, first(z0, z1))) → c43(ADD(proper(x0), first(proper(z0), proper(z1))), PROPER(x0), PROPER(first(z0, z1)))
PROPER(add(terms(z0), x1)) → c43(ADD(terms(proper(z0)), proper(x1)), PROPER(terms(z0)), PROPER(x1))
PROPER(add(cons(z0, z1), x1)) → c43(ADD(cons(proper(z0), proper(z1)), proper(x1)), PROPER(cons(z0, z1)), PROPER(x1))
PROPER(add(recip(z0), x1)) → c43(ADD(recip(proper(z0)), proper(x1)), PROPER(recip(z0)), PROPER(x1))
PROPER(add(sqr(z0), x1)) → c43(ADD(sqr(proper(z0)), proper(x1)), PROPER(sqr(z0)), PROPER(x1))
PROPER(add(s(z0), x1)) → c43(ADD(s(proper(z0)), proper(x1)), PROPER(s(z0)), PROPER(x1))
PROPER(add(add(z0, z1), x1)) → c43(ADD(add(proper(z0), proper(z1)), proper(x1)), PROPER(add(z0, z1)), PROPER(x1))
PROPER(add(dbl(z0), x1)) → c43(ADD(dbl(proper(z0)), proper(x1)), PROPER(dbl(z0)), PROPER(x1))
PROPER(add(first(z0, z1), x1)) → c43(ADD(first(proper(z0), proper(z1)), proper(x1)), PROPER(first(z0, z1)), PROPER(x1))
PROPER(add(x0, 0)) → c43(ADD(proper(x0), ok(0)), PROPER(x0))
PROPER(add(x0, nil)) → c43(ADD(proper(x0), ok(nil)), PROPER(x0))
PROPER(add(0, x1)) → c43(ADD(ok(0), proper(x1)), PROPER(x1))
PROPER(add(nil, x1)) → c43(ADD(ok(nil), proper(x1)), PROPER(x1))
PROPER(dbl(terms(z0))) → c44(DBL(terms(proper(z0))), PROPER(terms(z0)))
PROPER(dbl(cons(z0, z1))) → c44(DBL(cons(proper(z0), proper(z1))), PROPER(cons(z0, z1)))
PROPER(dbl(recip(z0))) → c44(DBL(recip(proper(z0))), PROPER(recip(z0)))
PROPER(dbl(sqr(z0))) → c44(DBL(sqr(proper(z0))), PROPER(sqr(z0)))
PROPER(dbl(s(z0))) → c44(DBL(s(proper(z0))), PROPER(s(z0)))
PROPER(dbl(add(z0, z1))) → c44(DBL(add(proper(z0), proper(z1))), PROPER(add(z0, z1)))
PROPER(dbl(dbl(z0))) → c44(DBL(dbl(proper(z0))), PROPER(dbl(z0)))
PROPER(dbl(first(z0, z1))) → c44(DBL(first(proper(z0), proper(z1))), PROPER(first(z0, z1)))
PROPER(dbl(0)) → c44(DBL(ok(0)))
PROPER(dbl(nil)) → c44(DBL(ok(nil)))
PROPER(first(x0, terms(z0))) → c45(FIRST(proper(x0), terms(proper(z0))), PROPER(x0), PROPER(terms(z0)))
PROPER(first(x0, cons(z0, z1))) → c45(FIRST(proper(x0), cons(proper(z0), proper(z1))), PROPER(x0), PROPER(cons(z0, z1)))
PROPER(first(x0, recip(z0))) → c45(FIRST(proper(x0), recip(proper(z0))), PROPER(x0), PROPER(recip(z0)))
PROPER(first(x0, sqr(z0))) → c45(FIRST(proper(x0), sqr(proper(z0))), PROPER(x0), PROPER(sqr(z0)))
PROPER(first(x0, s(z0))) → c45(FIRST(proper(x0), s(proper(z0))), PROPER(x0), PROPER(s(z0)))
PROPER(first(x0, 0)) → c45(FIRST(proper(x0), ok(0)), PROPER(x0), PROPER(0))
PROPER(first(x0, add(z0, z1))) → c45(FIRST(proper(x0), add(proper(z0), proper(z1))), PROPER(x0), PROPER(add(z0, z1)))
PROPER(first(x0, dbl(z0))) → c45(FIRST(proper(x0), dbl(proper(z0))), PROPER(x0), PROPER(dbl(z0)))
PROPER(first(x0, first(z0, z1))) → c45(FIRST(proper(x0), first(proper(z0), proper(z1))), PROPER(x0), PROPER(first(z0, z1)))
PROPER(first(x0, nil)) → c45(FIRST(proper(x0), ok(nil)), PROPER(x0), PROPER(nil))
PROPER(first(terms(z0), x1)) → c45(FIRST(terms(proper(z0)), proper(x1)), PROPER(terms(z0)), PROPER(x1))
PROPER(first(cons(z0, z1), x1)) → c45(FIRST(cons(proper(z0), proper(z1)), proper(x1)), PROPER(cons(z0, z1)), PROPER(x1))
PROPER(first(recip(z0), x1)) → c45(FIRST(recip(proper(z0)), proper(x1)), PROPER(recip(z0)), PROPER(x1))
PROPER(first(sqr(z0), x1)) → c45(FIRST(sqr(proper(z0)), proper(x1)), PROPER(sqr(z0)), PROPER(x1))
PROPER(first(s(z0), x1)) → c45(FIRST(s(proper(z0)), proper(x1)), PROPER(s(z0)), PROPER(x1))
PROPER(first(0, x1)) → c45(FIRST(ok(0), proper(x1)), PROPER(0), PROPER(x1))
PROPER(first(add(z0, z1), x1)) → c45(FIRST(add(proper(z0), proper(z1)), proper(x1)), PROPER(add(z0, z1)), PROPER(x1))
PROPER(first(dbl(z0), x1)) → c45(FIRST(dbl(proper(z0)), proper(x1)), PROPER(dbl(z0)), PROPER(x1))
PROPER(first(first(z0, z1), x1)) → c45(FIRST(first(proper(z0), proper(z1)), proper(x1)), PROPER(first(z0, z1)), PROPER(x1))
PROPER(first(nil, x1)) → c45(FIRST(ok(nil), proper(x1)), PROPER(nil), PROPER(x1))
K tuples:none
Defined Rule Symbols:

active, cons, first, terms, recip, sqr, s, add, dbl, proper

Defined Pair Symbols:

ACTIVE, TERMS, CONS, RECIP, SQR, S, ADD, DBL, FIRST, TOP, PROPER

Compound Symbols:

c14, c15, c17, c18, c19, c20, c21, c22, c23, c24, c25, c26, c27, c28, c29, c30, c31, c32, c33, c34, c35, c36, c47, c48, c4, c6, c1, c9, c10, c11, c12, c9, c10, c11, c12, c13, c13, c16, c16, c37, c37, c38, c38, c39, c39, c40, c40, c41, c41, c43, c43, c44, c44, c45

(59) CdtRhsSimplificationProcessorProof (BOTH BOUNDS(ID, ID) transformation)

Removed 4 trailing tuple parts

(60) Obligation:

Complexity Dependency Tuples Problem
Rules:

active(terms(z0)) → mark(cons(recip(sqr(z0)), terms(s(z0))))
active(sqr(0)) → mark(0)
active(sqr(s(z0))) → mark(s(add(sqr(z0), dbl(z0))))
active(dbl(0)) → mark(0)
active(dbl(s(z0))) → mark(s(s(dbl(z0))))
active(add(0, z0)) → mark(z0)
active(add(s(z0), z1)) → mark(s(add(z0, z1)))
active(first(0, z0)) → mark(nil)
active(first(s(z0), cons(z1, z2))) → mark(cons(z1, first(z0, z2)))
active(terms(z0)) → terms(active(z0))
active(cons(z0, z1)) → cons(active(z0), z1)
active(recip(z0)) → recip(active(z0))
active(sqr(z0)) → sqr(active(z0))
active(s(z0)) → s(active(z0))
active(add(z0, z1)) → add(active(z0), z1)
active(add(z0, z1)) → add(z0, active(z1))
active(dbl(z0)) → dbl(active(z0))
active(first(z0, z1)) → first(active(z0), z1)
active(first(z0, z1)) → first(z0, active(z1))
cons(ok(z0), ok(z1)) → ok(cons(z0, z1))
cons(mark(z0), z1) → mark(cons(z0, z1))
first(z0, mark(z1)) → mark(first(z0, z1))
first(mark(z0), z1) → mark(first(z0, z1))
first(ok(z0), ok(z1)) → ok(first(z0, z1))
terms(mark(z0)) → mark(terms(z0))
terms(ok(z0)) → ok(terms(z0))
recip(mark(z0)) → mark(recip(z0))
recip(ok(z0)) → ok(recip(z0))
sqr(mark(z0)) → mark(sqr(z0))
sqr(ok(z0)) → ok(sqr(z0))
s(mark(z0)) → mark(s(z0))
s(ok(z0)) → ok(s(z0))
add(mark(z0), z1) → mark(add(z0, z1))
add(ok(z0), ok(z1)) → ok(add(z0, z1))
add(z0, mark(z1)) → mark(add(z0, z1))
dbl(mark(z0)) → mark(dbl(z0))
dbl(ok(z0)) → ok(dbl(z0))
proper(terms(z0)) → terms(proper(z0))
proper(cons(z0, z1)) → cons(proper(z0), proper(z1))
proper(recip(z0)) → recip(proper(z0))
proper(sqr(z0)) → sqr(proper(z0))
proper(s(z0)) → s(proper(z0))
proper(0) → ok(0)
proper(add(z0, z1)) → add(proper(z0), proper(z1))
proper(dbl(z0)) → dbl(proper(z0))
proper(first(z0, z1)) → first(proper(z0), proper(z1))
proper(nil) → ok(nil)
Tuples:

ACTIVE(add(z0, z1)) → c14(ADD(active(z0), z1), ACTIVE(z0))
ACTIVE(add(z0, z1)) → c15(ADD(z0, active(z1)), ACTIVE(z1))
ACTIVE(first(z0, z1)) → c17(FIRST(active(z0), z1), ACTIVE(z0))
ACTIVE(first(z0, z1)) → c18(FIRST(z0, active(z1)), ACTIVE(z1))
TERMS(mark(z0)) → c19(TERMS(z0))
TERMS(ok(z0)) → c20(TERMS(z0))
CONS(mark(z0), z1) → c21(CONS(z0, z1))
CONS(ok(z0), ok(z1)) → c22(CONS(z0, z1))
RECIP(mark(z0)) → c23(RECIP(z0))
RECIP(ok(z0)) → c24(RECIP(z0))
SQR(mark(z0)) → c25(SQR(z0))
SQR(ok(z0)) → c26(SQR(z0))
S(mark(z0)) → c27(S(z0))
S(ok(z0)) → c28(S(z0))
ADD(mark(z0), z1) → c29(ADD(z0, z1))
ADD(z0, mark(z1)) → c30(ADD(z0, z1))
ADD(ok(z0), ok(z1)) → c31(ADD(z0, z1))
DBL(mark(z0)) → c32(DBL(z0))
DBL(ok(z0)) → c33(DBL(z0))
FIRST(mark(z0), z1) → c34(FIRST(z0, z1))
FIRST(z0, mark(z1)) → c35(FIRST(z0, z1))
FIRST(ok(z0), ok(z1)) → c36(FIRST(z0, z1))
TOP(mark(z0)) → c47(TOP(proper(z0)), PROPER(z0))
TOP(ok(z0)) → c48(TOP(active(z0)), ACTIVE(z0))
ACTIVE(dbl(s(z0))) → c4(DBL(z0))
ACTIVE(add(s(z0), z1)) → c6(ADD(z0, z1))
ACTIVE(first(s(z0), cons(z1, z2))) → c1(CONS(z1, first(z0, z2)))
ACTIVE(first(s(z0), cons(z1, z2))) → c1(FIRST(z0, z2))
ACTIVE(terms(z0)) → c1(SQR(z0))
ACTIVE(terms(z0)) → c1(S(z0))
ACTIVE(sqr(s(z0))) → c1(SQR(z0))
ACTIVE(sqr(s(z0))) → c1(DBL(z0))
ACTIVE(terms(terms(z0))) → c9(TERMS(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(terms(sqr(s(z0)))) → c9(TERMS(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(terms(dbl(s(z0)))) → c9(TERMS(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(terms(add(0, z0))) → c9(TERMS(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(terms(add(s(z0), z1))) → c9(TERMS(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(terms(first(0, z0))) → c9(TERMS(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(terms(first(s(z0), cons(z1, z2)))) → c9(TERMS(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(terms(terms(z0))) → c9(TERMS(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(terms(cons(z0, z1))) → c9(TERMS(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(terms(recip(z0))) → c9(TERMS(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(terms(sqr(z0))) → c9(TERMS(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(terms(s(z0))) → c9(TERMS(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(terms(add(z0, z1))) → c9(TERMS(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(terms(add(z0, z1))) → c9(TERMS(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(terms(dbl(z0))) → c9(TERMS(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(terms(first(z0, z1))) → c9(TERMS(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(terms(first(z0, z1))) → c9(TERMS(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(cons(terms(z0), x1)) → c10(CONS(mark(cons(recip(sqr(z0)), terms(s(z0)))), x1), ACTIVE(terms(z0)))
ACTIVE(cons(sqr(s(z0)), x1)) → c10(CONS(mark(s(add(sqr(z0), dbl(z0)))), x1), ACTIVE(sqr(s(z0))))
ACTIVE(cons(dbl(s(z0)), x1)) → c10(CONS(mark(s(s(dbl(z0)))), x1), ACTIVE(dbl(s(z0))))
ACTIVE(cons(add(0, z0), x1)) → c10(CONS(mark(z0), x1), ACTIVE(add(0, z0)))
ACTIVE(cons(add(s(z0), z1), x1)) → c10(CONS(mark(s(add(z0, z1))), x1), ACTIVE(add(s(z0), z1)))
ACTIVE(cons(first(0, z0), x1)) → c10(CONS(mark(nil), x1), ACTIVE(first(0, z0)))
ACTIVE(cons(first(s(z0), cons(z1, z2)), x1)) → c10(CONS(mark(cons(z1, first(z0, z2))), x1), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(cons(terms(z0), x1)) → c10(CONS(terms(active(z0)), x1), ACTIVE(terms(z0)))
ACTIVE(cons(cons(z0, z1), x1)) → c10(CONS(cons(active(z0), z1), x1), ACTIVE(cons(z0, z1)))
ACTIVE(cons(recip(z0), x1)) → c10(CONS(recip(active(z0)), x1), ACTIVE(recip(z0)))
ACTIVE(cons(sqr(z0), x1)) → c10(CONS(sqr(active(z0)), x1), ACTIVE(sqr(z0)))
ACTIVE(cons(s(z0), x1)) → c10(CONS(s(active(z0)), x1), ACTIVE(s(z0)))
ACTIVE(cons(add(z0, z1), x1)) → c10(CONS(add(active(z0), z1), x1), ACTIVE(add(z0, z1)))
ACTIVE(cons(add(z0, z1), x1)) → c10(CONS(add(z0, active(z1)), x1), ACTIVE(add(z0, z1)))
ACTIVE(cons(dbl(z0), x1)) → c10(CONS(dbl(active(z0)), x1), ACTIVE(dbl(z0)))
ACTIVE(cons(first(z0, z1), x1)) → c10(CONS(first(active(z0), z1), x1), ACTIVE(first(z0, z1)))
ACTIVE(cons(first(z0, z1), x1)) → c10(CONS(first(z0, active(z1)), x1), ACTIVE(first(z0, z1)))
ACTIVE(recip(terms(z0))) → c11(RECIP(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(recip(sqr(s(z0)))) → c11(RECIP(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(recip(dbl(s(z0)))) → c11(RECIP(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(recip(add(0, z0))) → c11(RECIP(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(recip(add(s(z0), z1))) → c11(RECIP(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(recip(first(0, z0))) → c11(RECIP(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(recip(first(s(z0), cons(z1, z2)))) → c11(RECIP(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(recip(terms(z0))) → c11(RECIP(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(recip(cons(z0, z1))) → c11(RECIP(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(recip(recip(z0))) → c11(RECIP(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(recip(sqr(z0))) → c11(RECIP(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(recip(s(z0))) → c11(RECIP(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(recip(add(z0, z1))) → c11(RECIP(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(recip(add(z0, z1))) → c11(RECIP(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(recip(dbl(z0))) → c11(RECIP(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(recip(first(z0, z1))) → c11(RECIP(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(recip(first(z0, z1))) → c11(RECIP(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(sqr(terms(z0))) → c12(SQR(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(sqr(sqr(s(z0)))) → c12(SQR(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(sqr(dbl(s(z0)))) → c12(SQR(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(sqr(add(0, z0))) → c12(SQR(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(sqr(add(s(z0), z1))) → c12(SQR(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(sqr(first(0, z0))) → c12(SQR(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(sqr(first(s(z0), cons(z1, z2)))) → c12(SQR(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(sqr(terms(z0))) → c12(SQR(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(sqr(cons(z0, z1))) → c12(SQR(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(sqr(recip(z0))) → c12(SQR(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(sqr(sqr(z0))) → c12(SQR(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(sqr(s(z0))) → c12(SQR(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(sqr(add(z0, z1))) → c12(SQR(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(sqr(add(z0, z1))) → c12(SQR(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(sqr(dbl(z0))) → c12(SQR(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(sqr(first(z0, z1))) → c12(SQR(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(sqr(first(z0, z1))) → c12(SQR(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(terms(sqr(0))) → c9(TERMS(mark(0)))
ACTIVE(cons(sqr(0), x1)) → c10(CONS(mark(0), x1))
ACTIVE(recip(sqr(0))) → c11(RECIP(mark(0)))
ACTIVE(sqr(sqr(0))) → c12(SQR(mark(0)))
ACTIVE(s(terms(z0))) → c13(S(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(s(sqr(s(z0)))) → c13(S(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(s(dbl(s(z0)))) → c13(S(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(s(add(0, z0))) → c13(S(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(s(add(s(z0), z1))) → c13(S(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(s(first(0, z0))) → c13(S(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(s(first(s(z0), cons(z1, z2)))) → c13(S(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(s(terms(z0))) → c13(S(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(s(cons(z0, z1))) → c13(S(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(s(recip(z0))) → c13(S(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(s(sqr(z0))) → c13(S(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(s(s(z0))) → c13(S(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(s(add(z0, z1))) → c13(S(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(s(add(z0, z1))) → c13(S(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(s(dbl(z0))) → c13(S(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(s(first(z0, z1))) → c13(S(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(s(first(z0, z1))) → c13(S(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(s(sqr(0))) → c13(S(mark(0)))
ACTIVE(dbl(terms(z0))) → c16(DBL(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(dbl(sqr(s(z0)))) → c16(DBL(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(dbl(dbl(s(z0)))) → c16(DBL(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(dbl(add(0, z0))) → c16(DBL(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(dbl(add(s(z0), z1))) → c16(DBL(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(dbl(first(0, z0))) → c16(DBL(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(dbl(first(s(z0), cons(z1, z2)))) → c16(DBL(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(dbl(terms(z0))) → c16(DBL(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(dbl(cons(z0, z1))) → c16(DBL(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(dbl(recip(z0))) → c16(DBL(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(dbl(sqr(z0))) → c16(DBL(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(dbl(s(z0))) → c16(DBL(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(dbl(add(z0, z1))) → c16(DBL(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(dbl(add(z0, z1))) → c16(DBL(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(dbl(dbl(z0))) → c16(DBL(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(dbl(first(z0, z1))) → c16(DBL(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(dbl(first(z0, z1))) → c16(DBL(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(terms(dbl(0))) → c9(TERMS(mark(0)))
ACTIVE(cons(dbl(0), x1)) → c10(CONS(mark(0), x1))
ACTIVE(recip(dbl(0))) → c11(RECIP(mark(0)))
ACTIVE(sqr(dbl(0))) → c12(SQR(mark(0)))
ACTIVE(s(dbl(0))) → c13(S(mark(0)))
ACTIVE(dbl(sqr(0))) → c16(DBL(mark(0)))
ACTIVE(dbl(dbl(0))) → c16(DBL(mark(0)))
PROPER(terms(terms(z0))) → c37(TERMS(terms(proper(z0))), PROPER(terms(z0)))
PROPER(terms(cons(z0, z1))) → c37(TERMS(cons(proper(z0), proper(z1))), PROPER(cons(z0, z1)))
PROPER(terms(recip(z0))) → c37(TERMS(recip(proper(z0))), PROPER(recip(z0)))
PROPER(terms(sqr(z0))) → c37(TERMS(sqr(proper(z0))), PROPER(sqr(z0)))
PROPER(terms(s(z0))) → c37(TERMS(s(proper(z0))), PROPER(s(z0)))
PROPER(terms(add(z0, z1))) → c37(TERMS(add(proper(z0), proper(z1))), PROPER(add(z0, z1)))
PROPER(terms(dbl(z0))) → c37(TERMS(dbl(proper(z0))), PROPER(dbl(z0)))
PROPER(terms(first(z0, z1))) → c37(TERMS(first(proper(z0), proper(z1))), PROPER(first(z0, z1)))
PROPER(terms(0)) → c37(TERMS(ok(0)))
PROPER(terms(nil)) → c37(TERMS(ok(nil)))
PROPER(cons(x0, terms(z0))) → c38(CONS(proper(x0), terms(proper(z0))), PROPER(x0), PROPER(terms(z0)))
PROPER(cons(x0, cons(z0, z1))) → c38(CONS(proper(x0), cons(proper(z0), proper(z1))), PROPER(x0), PROPER(cons(z0, z1)))
PROPER(cons(x0, recip(z0))) → c38(CONS(proper(x0), recip(proper(z0))), PROPER(x0), PROPER(recip(z0)))
PROPER(cons(x0, sqr(z0))) → c38(CONS(proper(x0), sqr(proper(z0))), PROPER(x0), PROPER(sqr(z0)))
PROPER(cons(x0, s(z0))) → c38(CONS(proper(x0), s(proper(z0))), PROPER(x0), PROPER(s(z0)))
PROPER(cons(x0, add(z0, z1))) → c38(CONS(proper(x0), add(proper(z0), proper(z1))), PROPER(x0), PROPER(add(z0, z1)))
PROPER(cons(x0, dbl(z0))) → c38(CONS(proper(x0), dbl(proper(z0))), PROPER(x0), PROPER(dbl(z0)))
PROPER(cons(x0, first(z0, z1))) → c38(CONS(proper(x0), first(proper(z0), proper(z1))), PROPER(x0), PROPER(first(z0, z1)))
PROPER(cons(terms(z0), x1)) → c38(CONS(terms(proper(z0)), proper(x1)), PROPER(terms(z0)), PROPER(x1))
PROPER(cons(cons(z0, z1), x1)) → c38(CONS(cons(proper(z0), proper(z1)), proper(x1)), PROPER(cons(z0, z1)), PROPER(x1))
PROPER(cons(recip(z0), x1)) → c38(CONS(recip(proper(z0)), proper(x1)), PROPER(recip(z0)), PROPER(x1))
PROPER(cons(sqr(z0), x1)) → c38(CONS(sqr(proper(z0)), proper(x1)), PROPER(sqr(z0)), PROPER(x1))
PROPER(cons(s(z0), x1)) → c38(CONS(s(proper(z0)), proper(x1)), PROPER(s(z0)), PROPER(x1))
PROPER(cons(add(z0, z1), x1)) → c38(CONS(add(proper(z0), proper(z1)), proper(x1)), PROPER(add(z0, z1)), PROPER(x1))
PROPER(cons(dbl(z0), x1)) → c38(CONS(dbl(proper(z0)), proper(x1)), PROPER(dbl(z0)), PROPER(x1))
PROPER(cons(first(z0, z1), x1)) → c38(CONS(first(proper(z0), proper(z1)), proper(x1)), PROPER(first(z0, z1)), PROPER(x1))
PROPER(cons(x0, 0)) → c38(CONS(proper(x0), ok(0)), PROPER(x0))
PROPER(cons(x0, nil)) → c38(CONS(proper(x0), ok(nil)), PROPER(x0))
PROPER(cons(0, x1)) → c38(CONS(ok(0), proper(x1)), PROPER(x1))
PROPER(cons(nil, x1)) → c38(CONS(ok(nil), proper(x1)), PROPER(x1))
PROPER(recip(terms(z0))) → c39(RECIP(terms(proper(z0))), PROPER(terms(z0)))
PROPER(recip(cons(z0, z1))) → c39(RECIP(cons(proper(z0), proper(z1))), PROPER(cons(z0, z1)))
PROPER(recip(recip(z0))) → c39(RECIP(recip(proper(z0))), PROPER(recip(z0)))
PROPER(recip(sqr(z0))) → c39(RECIP(sqr(proper(z0))), PROPER(sqr(z0)))
PROPER(recip(s(z0))) → c39(RECIP(s(proper(z0))), PROPER(s(z0)))
PROPER(recip(add(z0, z1))) → c39(RECIP(add(proper(z0), proper(z1))), PROPER(add(z0, z1)))
PROPER(recip(dbl(z0))) → c39(RECIP(dbl(proper(z0))), PROPER(dbl(z0)))
PROPER(recip(first(z0, z1))) → c39(RECIP(first(proper(z0), proper(z1))), PROPER(first(z0, z1)))
PROPER(recip(0)) → c39(RECIP(ok(0)))
PROPER(recip(nil)) → c39(RECIP(ok(nil)))
PROPER(sqr(terms(z0))) → c40(SQR(terms(proper(z0))), PROPER(terms(z0)))
PROPER(sqr(cons(z0, z1))) → c40(SQR(cons(proper(z0), proper(z1))), PROPER(cons(z0, z1)))
PROPER(sqr(recip(z0))) → c40(SQR(recip(proper(z0))), PROPER(recip(z0)))
PROPER(sqr(sqr(z0))) → c40(SQR(sqr(proper(z0))), PROPER(sqr(z0)))
PROPER(sqr(s(z0))) → c40(SQR(s(proper(z0))), PROPER(s(z0)))
PROPER(sqr(add(z0, z1))) → c40(SQR(add(proper(z0), proper(z1))), PROPER(add(z0, z1)))
PROPER(sqr(dbl(z0))) → c40(SQR(dbl(proper(z0))), PROPER(dbl(z0)))
PROPER(sqr(first(z0, z1))) → c40(SQR(first(proper(z0), proper(z1))), PROPER(first(z0, z1)))
PROPER(sqr(0)) → c40(SQR(ok(0)))
PROPER(sqr(nil)) → c40(SQR(ok(nil)))
PROPER(s(terms(z0))) → c41(S(terms(proper(z0))), PROPER(terms(z0)))
PROPER(s(cons(z0, z1))) → c41(S(cons(proper(z0), proper(z1))), PROPER(cons(z0, z1)))
PROPER(s(recip(z0))) → c41(S(recip(proper(z0))), PROPER(recip(z0)))
PROPER(s(sqr(z0))) → c41(S(sqr(proper(z0))), PROPER(sqr(z0)))
PROPER(s(s(z0))) → c41(S(s(proper(z0))), PROPER(s(z0)))
PROPER(s(add(z0, z1))) → c41(S(add(proper(z0), proper(z1))), PROPER(add(z0, z1)))
PROPER(s(dbl(z0))) → c41(S(dbl(proper(z0))), PROPER(dbl(z0)))
PROPER(s(first(z0, z1))) → c41(S(first(proper(z0), proper(z1))), PROPER(first(z0, z1)))
PROPER(s(0)) → c41(S(ok(0)))
PROPER(s(nil)) → c41(S(ok(nil)))
PROPER(add(x0, terms(z0))) → c43(ADD(proper(x0), terms(proper(z0))), PROPER(x0), PROPER(terms(z0)))
PROPER(add(x0, cons(z0, z1))) → c43(ADD(proper(x0), cons(proper(z0), proper(z1))), PROPER(x0), PROPER(cons(z0, z1)))
PROPER(add(x0, recip(z0))) → c43(ADD(proper(x0), recip(proper(z0))), PROPER(x0), PROPER(recip(z0)))
PROPER(add(x0, sqr(z0))) → c43(ADD(proper(x0), sqr(proper(z0))), PROPER(x0), PROPER(sqr(z0)))
PROPER(add(x0, s(z0))) → c43(ADD(proper(x0), s(proper(z0))), PROPER(x0), PROPER(s(z0)))
PROPER(add(x0, add(z0, z1))) → c43(ADD(proper(x0), add(proper(z0), proper(z1))), PROPER(x0), PROPER(add(z0, z1)))
PROPER(add(x0, dbl(z0))) → c43(ADD(proper(x0), dbl(proper(z0))), PROPER(x0), PROPER(dbl(z0)))
PROPER(add(x0, first(z0, z1))) → c43(ADD(proper(x0), first(proper(z0), proper(z1))), PROPER(x0), PROPER(first(z0, z1)))
PROPER(add(terms(z0), x1)) → c43(ADD(terms(proper(z0)), proper(x1)), PROPER(terms(z0)), PROPER(x1))
PROPER(add(cons(z0, z1), x1)) → c43(ADD(cons(proper(z0), proper(z1)), proper(x1)), PROPER(cons(z0, z1)), PROPER(x1))
PROPER(add(recip(z0), x1)) → c43(ADD(recip(proper(z0)), proper(x1)), PROPER(recip(z0)), PROPER(x1))
PROPER(add(sqr(z0), x1)) → c43(ADD(sqr(proper(z0)), proper(x1)), PROPER(sqr(z0)), PROPER(x1))
PROPER(add(s(z0), x1)) → c43(ADD(s(proper(z0)), proper(x1)), PROPER(s(z0)), PROPER(x1))
PROPER(add(add(z0, z1), x1)) → c43(ADD(add(proper(z0), proper(z1)), proper(x1)), PROPER(add(z0, z1)), PROPER(x1))
PROPER(add(dbl(z0), x1)) → c43(ADD(dbl(proper(z0)), proper(x1)), PROPER(dbl(z0)), PROPER(x1))
PROPER(add(first(z0, z1), x1)) → c43(ADD(first(proper(z0), proper(z1)), proper(x1)), PROPER(first(z0, z1)), PROPER(x1))
PROPER(add(x0, 0)) → c43(ADD(proper(x0), ok(0)), PROPER(x0))
PROPER(add(x0, nil)) → c43(ADD(proper(x0), ok(nil)), PROPER(x0))
PROPER(add(0, x1)) → c43(ADD(ok(0), proper(x1)), PROPER(x1))
PROPER(add(nil, x1)) → c43(ADD(ok(nil), proper(x1)), PROPER(x1))
PROPER(dbl(terms(z0))) → c44(DBL(terms(proper(z0))), PROPER(terms(z0)))
PROPER(dbl(cons(z0, z1))) → c44(DBL(cons(proper(z0), proper(z1))), PROPER(cons(z0, z1)))
PROPER(dbl(recip(z0))) → c44(DBL(recip(proper(z0))), PROPER(recip(z0)))
PROPER(dbl(sqr(z0))) → c44(DBL(sqr(proper(z0))), PROPER(sqr(z0)))
PROPER(dbl(s(z0))) → c44(DBL(s(proper(z0))), PROPER(s(z0)))
PROPER(dbl(add(z0, z1))) → c44(DBL(add(proper(z0), proper(z1))), PROPER(add(z0, z1)))
PROPER(dbl(dbl(z0))) → c44(DBL(dbl(proper(z0))), PROPER(dbl(z0)))
PROPER(dbl(first(z0, z1))) → c44(DBL(first(proper(z0), proper(z1))), PROPER(first(z0, z1)))
PROPER(dbl(0)) → c44(DBL(ok(0)))
PROPER(dbl(nil)) → c44(DBL(ok(nil)))
PROPER(first(x0, terms(z0))) → c45(FIRST(proper(x0), terms(proper(z0))), PROPER(x0), PROPER(terms(z0)))
PROPER(first(x0, cons(z0, z1))) → c45(FIRST(proper(x0), cons(proper(z0), proper(z1))), PROPER(x0), PROPER(cons(z0, z1)))
PROPER(first(x0, recip(z0))) → c45(FIRST(proper(x0), recip(proper(z0))), PROPER(x0), PROPER(recip(z0)))
PROPER(first(x0, sqr(z0))) → c45(FIRST(proper(x0), sqr(proper(z0))), PROPER(x0), PROPER(sqr(z0)))
PROPER(first(x0, s(z0))) → c45(FIRST(proper(x0), s(proper(z0))), PROPER(x0), PROPER(s(z0)))
PROPER(first(x0, add(z0, z1))) → c45(FIRST(proper(x0), add(proper(z0), proper(z1))), PROPER(x0), PROPER(add(z0, z1)))
PROPER(first(x0, dbl(z0))) → c45(FIRST(proper(x0), dbl(proper(z0))), PROPER(x0), PROPER(dbl(z0)))
PROPER(first(x0, first(z0, z1))) → c45(FIRST(proper(x0), first(proper(z0), proper(z1))), PROPER(x0), PROPER(first(z0, z1)))
PROPER(first(terms(z0), x1)) → c45(FIRST(terms(proper(z0)), proper(x1)), PROPER(terms(z0)), PROPER(x1))
PROPER(first(cons(z0, z1), x1)) → c45(FIRST(cons(proper(z0), proper(z1)), proper(x1)), PROPER(cons(z0, z1)), PROPER(x1))
PROPER(first(recip(z0), x1)) → c45(FIRST(recip(proper(z0)), proper(x1)), PROPER(recip(z0)), PROPER(x1))
PROPER(first(sqr(z0), x1)) → c45(FIRST(sqr(proper(z0)), proper(x1)), PROPER(sqr(z0)), PROPER(x1))
PROPER(first(s(z0), x1)) → c45(FIRST(s(proper(z0)), proper(x1)), PROPER(s(z0)), PROPER(x1))
PROPER(first(add(z0, z1), x1)) → c45(FIRST(add(proper(z0), proper(z1)), proper(x1)), PROPER(add(z0, z1)), PROPER(x1))
PROPER(first(dbl(z0), x1)) → c45(FIRST(dbl(proper(z0)), proper(x1)), PROPER(dbl(z0)), PROPER(x1))
PROPER(first(first(z0, z1), x1)) → c45(FIRST(first(proper(z0), proper(z1)), proper(x1)), PROPER(first(z0, z1)), PROPER(x1))
PROPER(first(x0, 0)) → c45(FIRST(proper(x0), ok(0)), PROPER(x0))
PROPER(first(x0, nil)) → c45(FIRST(proper(x0), ok(nil)), PROPER(x0))
PROPER(first(0, x1)) → c45(FIRST(ok(0), proper(x1)), PROPER(x1))
PROPER(first(nil, x1)) → c45(FIRST(ok(nil), proper(x1)), PROPER(x1))
S tuples:

ACTIVE(add(z0, z1)) → c14(ADD(active(z0), z1), ACTIVE(z0))
ACTIVE(add(z0, z1)) → c15(ADD(z0, active(z1)), ACTIVE(z1))
ACTIVE(first(z0, z1)) → c17(FIRST(active(z0), z1), ACTIVE(z0))
ACTIVE(first(z0, z1)) → c18(FIRST(z0, active(z1)), ACTIVE(z1))
TERMS(mark(z0)) → c19(TERMS(z0))
TERMS(ok(z0)) → c20(TERMS(z0))
CONS(mark(z0), z1) → c21(CONS(z0, z1))
CONS(ok(z0), ok(z1)) → c22(CONS(z0, z1))
RECIP(mark(z0)) → c23(RECIP(z0))
RECIP(ok(z0)) → c24(RECIP(z0))
SQR(mark(z0)) → c25(SQR(z0))
SQR(ok(z0)) → c26(SQR(z0))
S(mark(z0)) → c27(S(z0))
S(ok(z0)) → c28(S(z0))
ADD(mark(z0), z1) → c29(ADD(z0, z1))
ADD(z0, mark(z1)) → c30(ADD(z0, z1))
ADD(ok(z0), ok(z1)) → c31(ADD(z0, z1))
DBL(mark(z0)) → c32(DBL(z0))
DBL(ok(z0)) → c33(DBL(z0))
FIRST(mark(z0), z1) → c34(FIRST(z0, z1))
FIRST(z0, mark(z1)) → c35(FIRST(z0, z1))
FIRST(ok(z0), ok(z1)) → c36(FIRST(z0, z1))
TOP(mark(z0)) → c47(TOP(proper(z0)), PROPER(z0))
TOP(ok(z0)) → c48(TOP(active(z0)), ACTIVE(z0))
ACTIVE(dbl(s(z0))) → c4(DBL(z0))
ACTIVE(add(s(z0), z1)) → c6(ADD(z0, z1))
ACTIVE(first(s(z0), cons(z1, z2))) → c1(CONS(z1, first(z0, z2)))
ACTIVE(first(s(z0), cons(z1, z2))) → c1(FIRST(z0, z2))
ACTIVE(terms(z0)) → c1(SQR(z0))
ACTIVE(terms(z0)) → c1(S(z0))
ACTIVE(sqr(s(z0))) → c1(SQR(z0))
ACTIVE(sqr(s(z0))) → c1(DBL(z0))
ACTIVE(terms(terms(z0))) → c9(TERMS(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(terms(sqr(s(z0)))) → c9(TERMS(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(terms(dbl(s(z0)))) → c9(TERMS(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(terms(add(0, z0))) → c9(TERMS(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(terms(add(s(z0), z1))) → c9(TERMS(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(terms(first(0, z0))) → c9(TERMS(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(terms(first(s(z0), cons(z1, z2)))) → c9(TERMS(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(terms(terms(z0))) → c9(TERMS(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(terms(cons(z0, z1))) → c9(TERMS(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(terms(recip(z0))) → c9(TERMS(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(terms(sqr(z0))) → c9(TERMS(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(terms(s(z0))) → c9(TERMS(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(terms(add(z0, z1))) → c9(TERMS(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(terms(add(z0, z1))) → c9(TERMS(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(terms(dbl(z0))) → c9(TERMS(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(terms(first(z0, z1))) → c9(TERMS(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(terms(first(z0, z1))) → c9(TERMS(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(cons(terms(z0), x1)) → c10(CONS(mark(cons(recip(sqr(z0)), terms(s(z0)))), x1), ACTIVE(terms(z0)))
ACTIVE(cons(sqr(s(z0)), x1)) → c10(CONS(mark(s(add(sqr(z0), dbl(z0)))), x1), ACTIVE(sqr(s(z0))))
ACTIVE(cons(dbl(s(z0)), x1)) → c10(CONS(mark(s(s(dbl(z0)))), x1), ACTIVE(dbl(s(z0))))
ACTIVE(cons(add(0, z0), x1)) → c10(CONS(mark(z0), x1), ACTIVE(add(0, z0)))
ACTIVE(cons(add(s(z0), z1), x1)) → c10(CONS(mark(s(add(z0, z1))), x1), ACTIVE(add(s(z0), z1)))
ACTIVE(cons(first(0, z0), x1)) → c10(CONS(mark(nil), x1), ACTIVE(first(0, z0)))
ACTIVE(cons(first(s(z0), cons(z1, z2)), x1)) → c10(CONS(mark(cons(z1, first(z0, z2))), x1), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(cons(terms(z0), x1)) → c10(CONS(terms(active(z0)), x1), ACTIVE(terms(z0)))
ACTIVE(cons(cons(z0, z1), x1)) → c10(CONS(cons(active(z0), z1), x1), ACTIVE(cons(z0, z1)))
ACTIVE(cons(recip(z0), x1)) → c10(CONS(recip(active(z0)), x1), ACTIVE(recip(z0)))
ACTIVE(cons(sqr(z0), x1)) → c10(CONS(sqr(active(z0)), x1), ACTIVE(sqr(z0)))
ACTIVE(cons(s(z0), x1)) → c10(CONS(s(active(z0)), x1), ACTIVE(s(z0)))
ACTIVE(cons(add(z0, z1), x1)) → c10(CONS(add(active(z0), z1), x1), ACTIVE(add(z0, z1)))
ACTIVE(cons(add(z0, z1), x1)) → c10(CONS(add(z0, active(z1)), x1), ACTIVE(add(z0, z1)))
ACTIVE(cons(dbl(z0), x1)) → c10(CONS(dbl(active(z0)), x1), ACTIVE(dbl(z0)))
ACTIVE(cons(first(z0, z1), x1)) → c10(CONS(first(active(z0), z1), x1), ACTIVE(first(z0, z1)))
ACTIVE(cons(first(z0, z1), x1)) → c10(CONS(first(z0, active(z1)), x1), ACTIVE(first(z0, z1)))
ACTIVE(recip(terms(z0))) → c11(RECIP(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(recip(sqr(s(z0)))) → c11(RECIP(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(recip(dbl(s(z0)))) → c11(RECIP(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(recip(add(0, z0))) → c11(RECIP(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(recip(add(s(z0), z1))) → c11(RECIP(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(recip(first(0, z0))) → c11(RECIP(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(recip(first(s(z0), cons(z1, z2)))) → c11(RECIP(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(recip(terms(z0))) → c11(RECIP(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(recip(cons(z0, z1))) → c11(RECIP(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(recip(recip(z0))) → c11(RECIP(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(recip(sqr(z0))) → c11(RECIP(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(recip(s(z0))) → c11(RECIP(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(recip(add(z0, z1))) → c11(RECIP(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(recip(add(z0, z1))) → c11(RECIP(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(recip(dbl(z0))) → c11(RECIP(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(recip(first(z0, z1))) → c11(RECIP(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(recip(first(z0, z1))) → c11(RECIP(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(sqr(terms(z0))) → c12(SQR(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(sqr(sqr(s(z0)))) → c12(SQR(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(sqr(dbl(s(z0)))) → c12(SQR(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(sqr(add(0, z0))) → c12(SQR(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(sqr(add(s(z0), z1))) → c12(SQR(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(sqr(first(0, z0))) → c12(SQR(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(sqr(first(s(z0), cons(z1, z2)))) → c12(SQR(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(sqr(terms(z0))) → c12(SQR(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(sqr(cons(z0, z1))) → c12(SQR(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(sqr(recip(z0))) → c12(SQR(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(sqr(sqr(z0))) → c12(SQR(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(sqr(s(z0))) → c12(SQR(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(sqr(add(z0, z1))) → c12(SQR(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(sqr(add(z0, z1))) → c12(SQR(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(sqr(dbl(z0))) → c12(SQR(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(sqr(first(z0, z1))) → c12(SQR(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(sqr(first(z0, z1))) → c12(SQR(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(terms(sqr(0))) → c9(TERMS(mark(0)))
ACTIVE(cons(sqr(0), x1)) → c10(CONS(mark(0), x1))
ACTIVE(recip(sqr(0))) → c11(RECIP(mark(0)))
ACTIVE(sqr(sqr(0))) → c12(SQR(mark(0)))
ACTIVE(s(terms(z0))) → c13(S(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(s(sqr(s(z0)))) → c13(S(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(s(dbl(s(z0)))) → c13(S(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(s(add(0, z0))) → c13(S(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(s(add(s(z0), z1))) → c13(S(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(s(first(0, z0))) → c13(S(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(s(first(s(z0), cons(z1, z2)))) → c13(S(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(s(terms(z0))) → c13(S(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(s(cons(z0, z1))) → c13(S(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(s(recip(z0))) → c13(S(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(s(sqr(z0))) → c13(S(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(s(s(z0))) → c13(S(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(s(add(z0, z1))) → c13(S(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(s(add(z0, z1))) → c13(S(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(s(dbl(z0))) → c13(S(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(s(first(z0, z1))) → c13(S(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(s(first(z0, z1))) → c13(S(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(s(sqr(0))) → c13(S(mark(0)))
ACTIVE(dbl(terms(z0))) → c16(DBL(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(dbl(sqr(s(z0)))) → c16(DBL(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(dbl(dbl(s(z0)))) → c16(DBL(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(dbl(add(0, z0))) → c16(DBL(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(dbl(add(s(z0), z1))) → c16(DBL(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(dbl(first(0, z0))) → c16(DBL(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(dbl(first(s(z0), cons(z1, z2)))) → c16(DBL(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(dbl(terms(z0))) → c16(DBL(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(dbl(cons(z0, z1))) → c16(DBL(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(dbl(recip(z0))) → c16(DBL(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(dbl(sqr(z0))) → c16(DBL(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(dbl(s(z0))) → c16(DBL(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(dbl(add(z0, z1))) → c16(DBL(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(dbl(add(z0, z1))) → c16(DBL(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(dbl(dbl(z0))) → c16(DBL(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(dbl(first(z0, z1))) → c16(DBL(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(dbl(first(z0, z1))) → c16(DBL(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(terms(dbl(0))) → c9(TERMS(mark(0)))
ACTIVE(cons(dbl(0), x1)) → c10(CONS(mark(0), x1))
ACTIVE(recip(dbl(0))) → c11(RECIP(mark(0)))
ACTIVE(sqr(dbl(0))) → c12(SQR(mark(0)))
ACTIVE(s(dbl(0))) → c13(S(mark(0)))
ACTIVE(dbl(sqr(0))) → c16(DBL(mark(0)))
ACTIVE(dbl(dbl(0))) → c16(DBL(mark(0)))
PROPER(terms(terms(z0))) → c37(TERMS(terms(proper(z0))), PROPER(terms(z0)))
PROPER(terms(cons(z0, z1))) → c37(TERMS(cons(proper(z0), proper(z1))), PROPER(cons(z0, z1)))
PROPER(terms(recip(z0))) → c37(TERMS(recip(proper(z0))), PROPER(recip(z0)))
PROPER(terms(sqr(z0))) → c37(TERMS(sqr(proper(z0))), PROPER(sqr(z0)))
PROPER(terms(s(z0))) → c37(TERMS(s(proper(z0))), PROPER(s(z0)))
PROPER(terms(add(z0, z1))) → c37(TERMS(add(proper(z0), proper(z1))), PROPER(add(z0, z1)))
PROPER(terms(dbl(z0))) → c37(TERMS(dbl(proper(z0))), PROPER(dbl(z0)))
PROPER(terms(first(z0, z1))) → c37(TERMS(first(proper(z0), proper(z1))), PROPER(first(z0, z1)))
PROPER(terms(0)) → c37(TERMS(ok(0)))
PROPER(terms(nil)) → c37(TERMS(ok(nil)))
PROPER(cons(x0, terms(z0))) → c38(CONS(proper(x0), terms(proper(z0))), PROPER(x0), PROPER(terms(z0)))
PROPER(cons(x0, cons(z0, z1))) → c38(CONS(proper(x0), cons(proper(z0), proper(z1))), PROPER(x0), PROPER(cons(z0, z1)))
PROPER(cons(x0, recip(z0))) → c38(CONS(proper(x0), recip(proper(z0))), PROPER(x0), PROPER(recip(z0)))
PROPER(cons(x0, sqr(z0))) → c38(CONS(proper(x0), sqr(proper(z0))), PROPER(x0), PROPER(sqr(z0)))
PROPER(cons(x0, s(z0))) → c38(CONS(proper(x0), s(proper(z0))), PROPER(x0), PROPER(s(z0)))
PROPER(cons(x0, add(z0, z1))) → c38(CONS(proper(x0), add(proper(z0), proper(z1))), PROPER(x0), PROPER(add(z0, z1)))
PROPER(cons(x0, dbl(z0))) → c38(CONS(proper(x0), dbl(proper(z0))), PROPER(x0), PROPER(dbl(z0)))
PROPER(cons(x0, first(z0, z1))) → c38(CONS(proper(x0), first(proper(z0), proper(z1))), PROPER(x0), PROPER(first(z0, z1)))
PROPER(cons(terms(z0), x1)) → c38(CONS(terms(proper(z0)), proper(x1)), PROPER(terms(z0)), PROPER(x1))
PROPER(cons(cons(z0, z1), x1)) → c38(CONS(cons(proper(z0), proper(z1)), proper(x1)), PROPER(cons(z0, z1)), PROPER(x1))
PROPER(cons(recip(z0), x1)) → c38(CONS(recip(proper(z0)), proper(x1)), PROPER(recip(z0)), PROPER(x1))
PROPER(cons(sqr(z0), x1)) → c38(CONS(sqr(proper(z0)), proper(x1)), PROPER(sqr(z0)), PROPER(x1))
PROPER(cons(s(z0), x1)) → c38(CONS(s(proper(z0)), proper(x1)), PROPER(s(z0)), PROPER(x1))
PROPER(cons(add(z0, z1), x1)) → c38(CONS(add(proper(z0), proper(z1)), proper(x1)), PROPER(add(z0, z1)), PROPER(x1))
PROPER(cons(dbl(z0), x1)) → c38(CONS(dbl(proper(z0)), proper(x1)), PROPER(dbl(z0)), PROPER(x1))
PROPER(cons(first(z0, z1), x1)) → c38(CONS(first(proper(z0), proper(z1)), proper(x1)), PROPER(first(z0, z1)), PROPER(x1))
PROPER(cons(x0, 0)) → c38(CONS(proper(x0), ok(0)), PROPER(x0))
PROPER(cons(x0, nil)) → c38(CONS(proper(x0), ok(nil)), PROPER(x0))
PROPER(cons(0, x1)) → c38(CONS(ok(0), proper(x1)), PROPER(x1))
PROPER(cons(nil, x1)) → c38(CONS(ok(nil), proper(x1)), PROPER(x1))
PROPER(recip(terms(z0))) → c39(RECIP(terms(proper(z0))), PROPER(terms(z0)))
PROPER(recip(cons(z0, z1))) → c39(RECIP(cons(proper(z0), proper(z1))), PROPER(cons(z0, z1)))
PROPER(recip(recip(z0))) → c39(RECIP(recip(proper(z0))), PROPER(recip(z0)))
PROPER(recip(sqr(z0))) → c39(RECIP(sqr(proper(z0))), PROPER(sqr(z0)))
PROPER(recip(s(z0))) → c39(RECIP(s(proper(z0))), PROPER(s(z0)))
PROPER(recip(add(z0, z1))) → c39(RECIP(add(proper(z0), proper(z1))), PROPER(add(z0, z1)))
PROPER(recip(dbl(z0))) → c39(RECIP(dbl(proper(z0))), PROPER(dbl(z0)))
PROPER(recip(first(z0, z1))) → c39(RECIP(first(proper(z0), proper(z1))), PROPER(first(z0, z1)))
PROPER(recip(0)) → c39(RECIP(ok(0)))
PROPER(recip(nil)) → c39(RECIP(ok(nil)))
PROPER(sqr(terms(z0))) → c40(SQR(terms(proper(z0))), PROPER(terms(z0)))
PROPER(sqr(cons(z0, z1))) → c40(SQR(cons(proper(z0), proper(z1))), PROPER(cons(z0, z1)))
PROPER(sqr(recip(z0))) → c40(SQR(recip(proper(z0))), PROPER(recip(z0)))
PROPER(sqr(sqr(z0))) → c40(SQR(sqr(proper(z0))), PROPER(sqr(z0)))
PROPER(sqr(s(z0))) → c40(SQR(s(proper(z0))), PROPER(s(z0)))
PROPER(sqr(add(z0, z1))) → c40(SQR(add(proper(z0), proper(z1))), PROPER(add(z0, z1)))
PROPER(sqr(dbl(z0))) → c40(SQR(dbl(proper(z0))), PROPER(dbl(z0)))
PROPER(sqr(first(z0, z1))) → c40(SQR(first(proper(z0), proper(z1))), PROPER(first(z0, z1)))
PROPER(sqr(0)) → c40(SQR(ok(0)))
PROPER(sqr(nil)) → c40(SQR(ok(nil)))
PROPER(s(terms(z0))) → c41(S(terms(proper(z0))), PROPER(terms(z0)))
PROPER(s(cons(z0, z1))) → c41(S(cons(proper(z0), proper(z1))), PROPER(cons(z0, z1)))
PROPER(s(recip(z0))) → c41(S(recip(proper(z0))), PROPER(recip(z0)))
PROPER(s(sqr(z0))) → c41(S(sqr(proper(z0))), PROPER(sqr(z0)))
PROPER(s(s(z0))) → c41(S(s(proper(z0))), PROPER(s(z0)))
PROPER(s(add(z0, z1))) → c41(S(add(proper(z0), proper(z1))), PROPER(add(z0, z1)))
PROPER(s(dbl(z0))) → c41(S(dbl(proper(z0))), PROPER(dbl(z0)))
PROPER(s(first(z0, z1))) → c41(S(first(proper(z0), proper(z1))), PROPER(first(z0, z1)))
PROPER(s(0)) → c41(S(ok(0)))
PROPER(s(nil)) → c41(S(ok(nil)))
PROPER(add(x0, terms(z0))) → c43(ADD(proper(x0), terms(proper(z0))), PROPER(x0), PROPER(terms(z0)))
PROPER(add(x0, cons(z0, z1))) → c43(ADD(proper(x0), cons(proper(z0), proper(z1))), PROPER(x0), PROPER(cons(z0, z1)))
PROPER(add(x0, recip(z0))) → c43(ADD(proper(x0), recip(proper(z0))), PROPER(x0), PROPER(recip(z0)))
PROPER(add(x0, sqr(z0))) → c43(ADD(proper(x0), sqr(proper(z0))), PROPER(x0), PROPER(sqr(z0)))
PROPER(add(x0, s(z0))) → c43(ADD(proper(x0), s(proper(z0))), PROPER(x0), PROPER(s(z0)))
PROPER(add(x0, add(z0, z1))) → c43(ADD(proper(x0), add(proper(z0), proper(z1))), PROPER(x0), PROPER(add(z0, z1)))
PROPER(add(x0, dbl(z0))) → c43(ADD(proper(x0), dbl(proper(z0))), PROPER(x0), PROPER(dbl(z0)))
PROPER(add(x0, first(z0, z1))) → c43(ADD(proper(x0), first(proper(z0), proper(z1))), PROPER(x0), PROPER(first(z0, z1)))
PROPER(add(terms(z0), x1)) → c43(ADD(terms(proper(z0)), proper(x1)), PROPER(terms(z0)), PROPER(x1))
PROPER(add(cons(z0, z1), x1)) → c43(ADD(cons(proper(z0), proper(z1)), proper(x1)), PROPER(cons(z0, z1)), PROPER(x1))
PROPER(add(recip(z0), x1)) → c43(ADD(recip(proper(z0)), proper(x1)), PROPER(recip(z0)), PROPER(x1))
PROPER(add(sqr(z0), x1)) → c43(ADD(sqr(proper(z0)), proper(x1)), PROPER(sqr(z0)), PROPER(x1))
PROPER(add(s(z0), x1)) → c43(ADD(s(proper(z0)), proper(x1)), PROPER(s(z0)), PROPER(x1))
PROPER(add(add(z0, z1), x1)) → c43(ADD(add(proper(z0), proper(z1)), proper(x1)), PROPER(add(z0, z1)), PROPER(x1))
PROPER(add(dbl(z0), x1)) → c43(ADD(dbl(proper(z0)), proper(x1)), PROPER(dbl(z0)), PROPER(x1))
PROPER(add(first(z0, z1), x1)) → c43(ADD(first(proper(z0), proper(z1)), proper(x1)), PROPER(first(z0, z1)), PROPER(x1))
PROPER(add(x0, 0)) → c43(ADD(proper(x0), ok(0)), PROPER(x0))
PROPER(add(x0, nil)) → c43(ADD(proper(x0), ok(nil)), PROPER(x0))
PROPER(add(0, x1)) → c43(ADD(ok(0), proper(x1)), PROPER(x1))
PROPER(add(nil, x1)) → c43(ADD(ok(nil), proper(x1)), PROPER(x1))
PROPER(dbl(terms(z0))) → c44(DBL(terms(proper(z0))), PROPER(terms(z0)))
PROPER(dbl(cons(z0, z1))) → c44(DBL(cons(proper(z0), proper(z1))), PROPER(cons(z0, z1)))
PROPER(dbl(recip(z0))) → c44(DBL(recip(proper(z0))), PROPER(recip(z0)))
PROPER(dbl(sqr(z0))) → c44(DBL(sqr(proper(z0))), PROPER(sqr(z0)))
PROPER(dbl(s(z0))) → c44(DBL(s(proper(z0))), PROPER(s(z0)))
PROPER(dbl(add(z0, z1))) → c44(DBL(add(proper(z0), proper(z1))), PROPER(add(z0, z1)))
PROPER(dbl(dbl(z0))) → c44(DBL(dbl(proper(z0))), PROPER(dbl(z0)))
PROPER(dbl(first(z0, z1))) → c44(DBL(first(proper(z0), proper(z1))), PROPER(first(z0, z1)))
PROPER(dbl(0)) → c44(DBL(ok(0)))
PROPER(dbl(nil)) → c44(DBL(ok(nil)))
PROPER(first(x0, terms(z0))) → c45(FIRST(proper(x0), terms(proper(z0))), PROPER(x0), PROPER(terms(z0)))
PROPER(first(x0, cons(z0, z1))) → c45(FIRST(proper(x0), cons(proper(z0), proper(z1))), PROPER(x0), PROPER(cons(z0, z1)))
PROPER(first(x0, recip(z0))) → c45(FIRST(proper(x0), recip(proper(z0))), PROPER(x0), PROPER(recip(z0)))
PROPER(first(x0, sqr(z0))) → c45(FIRST(proper(x0), sqr(proper(z0))), PROPER(x0), PROPER(sqr(z0)))
PROPER(first(x0, s(z0))) → c45(FIRST(proper(x0), s(proper(z0))), PROPER(x0), PROPER(s(z0)))
PROPER(first(x0, add(z0, z1))) → c45(FIRST(proper(x0), add(proper(z0), proper(z1))), PROPER(x0), PROPER(add(z0, z1)))
PROPER(first(x0, dbl(z0))) → c45(FIRST(proper(x0), dbl(proper(z0))), PROPER(x0), PROPER(dbl(z0)))
PROPER(first(x0, first(z0, z1))) → c45(FIRST(proper(x0), first(proper(z0), proper(z1))), PROPER(x0), PROPER(first(z0, z1)))
PROPER(first(terms(z0), x1)) → c45(FIRST(terms(proper(z0)), proper(x1)), PROPER(terms(z0)), PROPER(x1))
PROPER(first(cons(z0, z1), x1)) → c45(FIRST(cons(proper(z0), proper(z1)), proper(x1)), PROPER(cons(z0, z1)), PROPER(x1))
PROPER(first(recip(z0), x1)) → c45(FIRST(recip(proper(z0)), proper(x1)), PROPER(recip(z0)), PROPER(x1))
PROPER(first(sqr(z0), x1)) → c45(FIRST(sqr(proper(z0)), proper(x1)), PROPER(sqr(z0)), PROPER(x1))
PROPER(first(s(z0), x1)) → c45(FIRST(s(proper(z0)), proper(x1)), PROPER(s(z0)), PROPER(x1))
PROPER(first(add(z0, z1), x1)) → c45(FIRST(add(proper(z0), proper(z1)), proper(x1)), PROPER(add(z0, z1)), PROPER(x1))
PROPER(first(dbl(z0), x1)) → c45(FIRST(dbl(proper(z0)), proper(x1)), PROPER(dbl(z0)), PROPER(x1))
PROPER(first(first(z0, z1), x1)) → c45(FIRST(first(proper(z0), proper(z1)), proper(x1)), PROPER(first(z0, z1)), PROPER(x1))
PROPER(first(x0, 0)) → c45(FIRST(proper(x0), ok(0)), PROPER(x0))
PROPER(first(x0, nil)) → c45(FIRST(proper(x0), ok(nil)), PROPER(x0))
PROPER(first(0, x1)) → c45(FIRST(ok(0), proper(x1)), PROPER(x1))
PROPER(first(nil, x1)) → c45(FIRST(ok(nil), proper(x1)), PROPER(x1))
K tuples:none
Defined Rule Symbols:

active, cons, first, terms, recip, sqr, s, add, dbl, proper

Defined Pair Symbols:

ACTIVE, TERMS, CONS, RECIP, SQR, S, ADD, DBL, FIRST, TOP, PROPER

Compound Symbols:

c14, c15, c17, c18, c19, c20, c21, c22, c23, c24, c25, c26, c27, c28, c29, c30, c31, c32, c33, c34, c35, c36, c47, c48, c4, c6, c1, c9, c10, c11, c12, c9, c10, c11, c12, c13, c13, c16, c16, c37, c37, c38, c38, c39, c39, c40, c40, c41, c41, c43, c43, c44, c44, c45, c45

(61) CdtNarrowingProof (BOTH BOUNDS(ID, ID) transformation)

Use narrowing to replace TOP(mark(z0)) → c47(TOP(proper(z0)), PROPER(z0)) by

TOP(mark(terms(z0))) → c47(TOP(terms(proper(z0))), PROPER(terms(z0)))
TOP(mark(cons(z0, z1))) → c47(TOP(cons(proper(z0), proper(z1))), PROPER(cons(z0, z1)))
TOP(mark(recip(z0))) → c47(TOP(recip(proper(z0))), PROPER(recip(z0)))
TOP(mark(sqr(z0))) → c47(TOP(sqr(proper(z0))), PROPER(sqr(z0)))
TOP(mark(s(z0))) → c47(TOP(s(proper(z0))), PROPER(s(z0)))
TOP(mark(0)) → c47(TOP(ok(0)), PROPER(0))
TOP(mark(add(z0, z1))) → c47(TOP(add(proper(z0), proper(z1))), PROPER(add(z0, z1)))
TOP(mark(dbl(z0))) → c47(TOP(dbl(proper(z0))), PROPER(dbl(z0)))
TOP(mark(first(z0, z1))) → c47(TOP(first(proper(z0), proper(z1))), PROPER(first(z0, z1)))
TOP(mark(nil)) → c47(TOP(ok(nil)), PROPER(nil))

(62) Obligation:

Complexity Dependency Tuples Problem
Rules:

active(terms(z0)) → mark(cons(recip(sqr(z0)), terms(s(z0))))
active(sqr(0)) → mark(0)
active(sqr(s(z0))) → mark(s(add(sqr(z0), dbl(z0))))
active(dbl(0)) → mark(0)
active(dbl(s(z0))) → mark(s(s(dbl(z0))))
active(add(0, z0)) → mark(z0)
active(add(s(z0), z1)) → mark(s(add(z0, z1)))
active(first(0, z0)) → mark(nil)
active(first(s(z0), cons(z1, z2))) → mark(cons(z1, first(z0, z2)))
active(terms(z0)) → terms(active(z0))
active(cons(z0, z1)) → cons(active(z0), z1)
active(recip(z0)) → recip(active(z0))
active(sqr(z0)) → sqr(active(z0))
active(s(z0)) → s(active(z0))
active(add(z0, z1)) → add(active(z0), z1)
active(add(z0, z1)) → add(z0, active(z1))
active(dbl(z0)) → dbl(active(z0))
active(first(z0, z1)) → first(active(z0), z1)
active(first(z0, z1)) → first(z0, active(z1))
cons(ok(z0), ok(z1)) → ok(cons(z0, z1))
cons(mark(z0), z1) → mark(cons(z0, z1))
first(z0, mark(z1)) → mark(first(z0, z1))
first(mark(z0), z1) → mark(first(z0, z1))
first(ok(z0), ok(z1)) → ok(first(z0, z1))
terms(mark(z0)) → mark(terms(z0))
terms(ok(z0)) → ok(terms(z0))
recip(mark(z0)) → mark(recip(z0))
recip(ok(z0)) → ok(recip(z0))
sqr(mark(z0)) → mark(sqr(z0))
sqr(ok(z0)) → ok(sqr(z0))
s(mark(z0)) → mark(s(z0))
s(ok(z0)) → ok(s(z0))
add(mark(z0), z1) → mark(add(z0, z1))
add(ok(z0), ok(z1)) → ok(add(z0, z1))
add(z0, mark(z1)) → mark(add(z0, z1))
dbl(mark(z0)) → mark(dbl(z0))
dbl(ok(z0)) → ok(dbl(z0))
proper(terms(z0)) → terms(proper(z0))
proper(cons(z0, z1)) → cons(proper(z0), proper(z1))
proper(recip(z0)) → recip(proper(z0))
proper(sqr(z0)) → sqr(proper(z0))
proper(s(z0)) → s(proper(z0))
proper(0) → ok(0)
proper(add(z0, z1)) → add(proper(z0), proper(z1))
proper(dbl(z0)) → dbl(proper(z0))
proper(first(z0, z1)) → first(proper(z0), proper(z1))
proper(nil) → ok(nil)
Tuples:

ACTIVE(add(z0, z1)) → c14(ADD(active(z0), z1), ACTIVE(z0))
ACTIVE(add(z0, z1)) → c15(ADD(z0, active(z1)), ACTIVE(z1))
ACTIVE(first(z0, z1)) → c17(FIRST(active(z0), z1), ACTIVE(z0))
ACTIVE(first(z0, z1)) → c18(FIRST(z0, active(z1)), ACTIVE(z1))
TERMS(mark(z0)) → c19(TERMS(z0))
TERMS(ok(z0)) → c20(TERMS(z0))
CONS(mark(z0), z1) → c21(CONS(z0, z1))
CONS(ok(z0), ok(z1)) → c22(CONS(z0, z1))
RECIP(mark(z0)) → c23(RECIP(z0))
RECIP(ok(z0)) → c24(RECIP(z0))
SQR(mark(z0)) → c25(SQR(z0))
SQR(ok(z0)) → c26(SQR(z0))
S(mark(z0)) → c27(S(z0))
S(ok(z0)) → c28(S(z0))
ADD(mark(z0), z1) → c29(ADD(z0, z1))
ADD(z0, mark(z1)) → c30(ADD(z0, z1))
ADD(ok(z0), ok(z1)) → c31(ADD(z0, z1))
DBL(mark(z0)) → c32(DBL(z0))
DBL(ok(z0)) → c33(DBL(z0))
FIRST(mark(z0), z1) → c34(FIRST(z0, z1))
FIRST(z0, mark(z1)) → c35(FIRST(z0, z1))
FIRST(ok(z0), ok(z1)) → c36(FIRST(z0, z1))
TOP(ok(z0)) → c48(TOP(active(z0)), ACTIVE(z0))
ACTIVE(dbl(s(z0))) → c4(DBL(z0))
ACTIVE(add(s(z0), z1)) → c6(ADD(z0, z1))
ACTIVE(first(s(z0), cons(z1, z2))) → c1(CONS(z1, first(z0, z2)))
ACTIVE(first(s(z0), cons(z1, z2))) → c1(FIRST(z0, z2))
ACTIVE(terms(z0)) → c1(SQR(z0))
ACTIVE(terms(z0)) → c1(S(z0))
ACTIVE(sqr(s(z0))) → c1(SQR(z0))
ACTIVE(sqr(s(z0))) → c1(DBL(z0))
ACTIVE(terms(terms(z0))) → c9(TERMS(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(terms(sqr(s(z0)))) → c9(TERMS(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(terms(dbl(s(z0)))) → c9(TERMS(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(terms(add(0, z0))) → c9(TERMS(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(terms(add(s(z0), z1))) → c9(TERMS(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(terms(first(0, z0))) → c9(TERMS(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(terms(first(s(z0), cons(z1, z2)))) → c9(TERMS(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(terms(terms(z0))) → c9(TERMS(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(terms(cons(z0, z1))) → c9(TERMS(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(terms(recip(z0))) → c9(TERMS(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(terms(sqr(z0))) → c9(TERMS(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(terms(s(z0))) → c9(TERMS(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(terms(add(z0, z1))) → c9(TERMS(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(terms(add(z0, z1))) → c9(TERMS(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(terms(dbl(z0))) → c9(TERMS(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(terms(first(z0, z1))) → c9(TERMS(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(terms(first(z0, z1))) → c9(TERMS(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(cons(terms(z0), x1)) → c10(CONS(mark(cons(recip(sqr(z0)), terms(s(z0)))), x1), ACTIVE(terms(z0)))
ACTIVE(cons(sqr(s(z0)), x1)) → c10(CONS(mark(s(add(sqr(z0), dbl(z0)))), x1), ACTIVE(sqr(s(z0))))
ACTIVE(cons(dbl(s(z0)), x1)) → c10(CONS(mark(s(s(dbl(z0)))), x1), ACTIVE(dbl(s(z0))))
ACTIVE(cons(add(0, z0), x1)) → c10(CONS(mark(z0), x1), ACTIVE(add(0, z0)))
ACTIVE(cons(add(s(z0), z1), x1)) → c10(CONS(mark(s(add(z0, z1))), x1), ACTIVE(add(s(z0), z1)))
ACTIVE(cons(first(0, z0), x1)) → c10(CONS(mark(nil), x1), ACTIVE(first(0, z0)))
ACTIVE(cons(first(s(z0), cons(z1, z2)), x1)) → c10(CONS(mark(cons(z1, first(z0, z2))), x1), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(cons(terms(z0), x1)) → c10(CONS(terms(active(z0)), x1), ACTIVE(terms(z0)))
ACTIVE(cons(cons(z0, z1), x1)) → c10(CONS(cons(active(z0), z1), x1), ACTIVE(cons(z0, z1)))
ACTIVE(cons(recip(z0), x1)) → c10(CONS(recip(active(z0)), x1), ACTIVE(recip(z0)))
ACTIVE(cons(sqr(z0), x1)) → c10(CONS(sqr(active(z0)), x1), ACTIVE(sqr(z0)))
ACTIVE(cons(s(z0), x1)) → c10(CONS(s(active(z0)), x1), ACTIVE(s(z0)))
ACTIVE(cons(add(z0, z1), x1)) → c10(CONS(add(active(z0), z1), x1), ACTIVE(add(z0, z1)))
ACTIVE(cons(add(z0, z1), x1)) → c10(CONS(add(z0, active(z1)), x1), ACTIVE(add(z0, z1)))
ACTIVE(cons(dbl(z0), x1)) → c10(CONS(dbl(active(z0)), x1), ACTIVE(dbl(z0)))
ACTIVE(cons(first(z0, z1), x1)) → c10(CONS(first(active(z0), z1), x1), ACTIVE(first(z0, z1)))
ACTIVE(cons(first(z0, z1), x1)) → c10(CONS(first(z0, active(z1)), x1), ACTIVE(first(z0, z1)))
ACTIVE(recip(terms(z0))) → c11(RECIP(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(recip(sqr(s(z0)))) → c11(RECIP(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(recip(dbl(s(z0)))) → c11(RECIP(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(recip(add(0, z0))) → c11(RECIP(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(recip(add(s(z0), z1))) → c11(RECIP(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(recip(first(0, z0))) → c11(RECIP(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(recip(first(s(z0), cons(z1, z2)))) → c11(RECIP(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(recip(terms(z0))) → c11(RECIP(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(recip(cons(z0, z1))) → c11(RECIP(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(recip(recip(z0))) → c11(RECIP(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(recip(sqr(z0))) → c11(RECIP(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(recip(s(z0))) → c11(RECIP(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(recip(add(z0, z1))) → c11(RECIP(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(recip(add(z0, z1))) → c11(RECIP(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(recip(dbl(z0))) → c11(RECIP(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(recip(first(z0, z1))) → c11(RECIP(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(recip(first(z0, z1))) → c11(RECIP(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(sqr(terms(z0))) → c12(SQR(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(sqr(sqr(s(z0)))) → c12(SQR(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(sqr(dbl(s(z0)))) → c12(SQR(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(sqr(add(0, z0))) → c12(SQR(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(sqr(add(s(z0), z1))) → c12(SQR(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(sqr(first(0, z0))) → c12(SQR(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(sqr(first(s(z0), cons(z1, z2)))) → c12(SQR(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(sqr(terms(z0))) → c12(SQR(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(sqr(cons(z0, z1))) → c12(SQR(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(sqr(recip(z0))) → c12(SQR(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(sqr(sqr(z0))) → c12(SQR(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(sqr(s(z0))) → c12(SQR(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(sqr(add(z0, z1))) → c12(SQR(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(sqr(add(z0, z1))) → c12(SQR(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(sqr(dbl(z0))) → c12(SQR(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(sqr(first(z0, z1))) → c12(SQR(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(sqr(first(z0, z1))) → c12(SQR(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(terms(sqr(0))) → c9(TERMS(mark(0)))
ACTIVE(cons(sqr(0), x1)) → c10(CONS(mark(0), x1))
ACTIVE(recip(sqr(0))) → c11(RECIP(mark(0)))
ACTIVE(sqr(sqr(0))) → c12(SQR(mark(0)))
ACTIVE(s(terms(z0))) → c13(S(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(s(sqr(s(z0)))) → c13(S(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(s(dbl(s(z0)))) → c13(S(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(s(add(0, z0))) → c13(S(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(s(add(s(z0), z1))) → c13(S(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(s(first(0, z0))) → c13(S(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(s(first(s(z0), cons(z1, z2)))) → c13(S(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(s(terms(z0))) → c13(S(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(s(cons(z0, z1))) → c13(S(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(s(recip(z0))) → c13(S(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(s(sqr(z0))) → c13(S(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(s(s(z0))) → c13(S(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(s(add(z0, z1))) → c13(S(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(s(add(z0, z1))) → c13(S(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(s(dbl(z0))) → c13(S(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(s(first(z0, z1))) → c13(S(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(s(first(z0, z1))) → c13(S(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(s(sqr(0))) → c13(S(mark(0)))
ACTIVE(dbl(terms(z0))) → c16(DBL(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(dbl(sqr(s(z0)))) → c16(DBL(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(dbl(dbl(s(z0)))) → c16(DBL(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(dbl(add(0, z0))) → c16(DBL(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(dbl(add(s(z0), z1))) → c16(DBL(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(dbl(first(0, z0))) → c16(DBL(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(dbl(first(s(z0), cons(z1, z2)))) → c16(DBL(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(dbl(terms(z0))) → c16(DBL(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(dbl(cons(z0, z1))) → c16(DBL(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(dbl(recip(z0))) → c16(DBL(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(dbl(sqr(z0))) → c16(DBL(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(dbl(s(z0))) → c16(DBL(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(dbl(add(z0, z1))) → c16(DBL(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(dbl(add(z0, z1))) → c16(DBL(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(dbl(dbl(z0))) → c16(DBL(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(dbl(first(z0, z1))) → c16(DBL(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(dbl(first(z0, z1))) → c16(DBL(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(terms(dbl(0))) → c9(TERMS(mark(0)))
ACTIVE(cons(dbl(0), x1)) → c10(CONS(mark(0), x1))
ACTIVE(recip(dbl(0))) → c11(RECIP(mark(0)))
ACTIVE(sqr(dbl(0))) → c12(SQR(mark(0)))
ACTIVE(s(dbl(0))) → c13(S(mark(0)))
ACTIVE(dbl(sqr(0))) → c16(DBL(mark(0)))
ACTIVE(dbl(dbl(0))) → c16(DBL(mark(0)))
PROPER(terms(terms(z0))) → c37(TERMS(terms(proper(z0))), PROPER(terms(z0)))
PROPER(terms(cons(z0, z1))) → c37(TERMS(cons(proper(z0), proper(z1))), PROPER(cons(z0, z1)))
PROPER(terms(recip(z0))) → c37(TERMS(recip(proper(z0))), PROPER(recip(z0)))
PROPER(terms(sqr(z0))) → c37(TERMS(sqr(proper(z0))), PROPER(sqr(z0)))
PROPER(terms(s(z0))) → c37(TERMS(s(proper(z0))), PROPER(s(z0)))
PROPER(terms(add(z0, z1))) → c37(TERMS(add(proper(z0), proper(z1))), PROPER(add(z0, z1)))
PROPER(terms(dbl(z0))) → c37(TERMS(dbl(proper(z0))), PROPER(dbl(z0)))
PROPER(terms(first(z0, z1))) → c37(TERMS(first(proper(z0), proper(z1))), PROPER(first(z0, z1)))
PROPER(terms(0)) → c37(TERMS(ok(0)))
PROPER(terms(nil)) → c37(TERMS(ok(nil)))
PROPER(cons(x0, terms(z0))) → c38(CONS(proper(x0), terms(proper(z0))), PROPER(x0), PROPER(terms(z0)))
PROPER(cons(x0, cons(z0, z1))) → c38(CONS(proper(x0), cons(proper(z0), proper(z1))), PROPER(x0), PROPER(cons(z0, z1)))
PROPER(cons(x0, recip(z0))) → c38(CONS(proper(x0), recip(proper(z0))), PROPER(x0), PROPER(recip(z0)))
PROPER(cons(x0, sqr(z0))) → c38(CONS(proper(x0), sqr(proper(z0))), PROPER(x0), PROPER(sqr(z0)))
PROPER(cons(x0, s(z0))) → c38(CONS(proper(x0), s(proper(z0))), PROPER(x0), PROPER(s(z0)))
PROPER(cons(x0, add(z0, z1))) → c38(CONS(proper(x0), add(proper(z0), proper(z1))), PROPER(x0), PROPER(add(z0, z1)))
PROPER(cons(x0, dbl(z0))) → c38(CONS(proper(x0), dbl(proper(z0))), PROPER(x0), PROPER(dbl(z0)))
PROPER(cons(x0, first(z0, z1))) → c38(CONS(proper(x0), first(proper(z0), proper(z1))), PROPER(x0), PROPER(first(z0, z1)))
PROPER(cons(terms(z0), x1)) → c38(CONS(terms(proper(z0)), proper(x1)), PROPER(terms(z0)), PROPER(x1))
PROPER(cons(cons(z0, z1), x1)) → c38(CONS(cons(proper(z0), proper(z1)), proper(x1)), PROPER(cons(z0, z1)), PROPER(x1))
PROPER(cons(recip(z0), x1)) → c38(CONS(recip(proper(z0)), proper(x1)), PROPER(recip(z0)), PROPER(x1))
PROPER(cons(sqr(z0), x1)) → c38(CONS(sqr(proper(z0)), proper(x1)), PROPER(sqr(z0)), PROPER(x1))
PROPER(cons(s(z0), x1)) → c38(CONS(s(proper(z0)), proper(x1)), PROPER(s(z0)), PROPER(x1))
PROPER(cons(add(z0, z1), x1)) → c38(CONS(add(proper(z0), proper(z1)), proper(x1)), PROPER(add(z0, z1)), PROPER(x1))
PROPER(cons(dbl(z0), x1)) → c38(CONS(dbl(proper(z0)), proper(x1)), PROPER(dbl(z0)), PROPER(x1))
PROPER(cons(first(z0, z1), x1)) → c38(CONS(first(proper(z0), proper(z1)), proper(x1)), PROPER(first(z0, z1)), PROPER(x1))
PROPER(cons(x0, 0)) → c38(CONS(proper(x0), ok(0)), PROPER(x0))
PROPER(cons(x0, nil)) → c38(CONS(proper(x0), ok(nil)), PROPER(x0))
PROPER(cons(0, x1)) → c38(CONS(ok(0), proper(x1)), PROPER(x1))
PROPER(cons(nil, x1)) → c38(CONS(ok(nil), proper(x1)), PROPER(x1))
PROPER(recip(terms(z0))) → c39(RECIP(terms(proper(z0))), PROPER(terms(z0)))
PROPER(recip(cons(z0, z1))) → c39(RECIP(cons(proper(z0), proper(z1))), PROPER(cons(z0, z1)))
PROPER(recip(recip(z0))) → c39(RECIP(recip(proper(z0))), PROPER(recip(z0)))
PROPER(recip(sqr(z0))) → c39(RECIP(sqr(proper(z0))), PROPER(sqr(z0)))
PROPER(recip(s(z0))) → c39(RECIP(s(proper(z0))), PROPER(s(z0)))
PROPER(recip(add(z0, z1))) → c39(RECIP(add(proper(z0), proper(z1))), PROPER(add(z0, z1)))
PROPER(recip(dbl(z0))) → c39(RECIP(dbl(proper(z0))), PROPER(dbl(z0)))
PROPER(recip(first(z0, z1))) → c39(RECIP(first(proper(z0), proper(z1))), PROPER(first(z0, z1)))
PROPER(recip(0)) → c39(RECIP(ok(0)))
PROPER(recip(nil)) → c39(RECIP(ok(nil)))
PROPER(sqr(terms(z0))) → c40(SQR(terms(proper(z0))), PROPER(terms(z0)))
PROPER(sqr(cons(z0, z1))) → c40(SQR(cons(proper(z0), proper(z1))), PROPER(cons(z0, z1)))
PROPER(sqr(recip(z0))) → c40(SQR(recip(proper(z0))), PROPER(recip(z0)))
PROPER(sqr(sqr(z0))) → c40(SQR(sqr(proper(z0))), PROPER(sqr(z0)))
PROPER(sqr(s(z0))) → c40(SQR(s(proper(z0))), PROPER(s(z0)))
PROPER(sqr(add(z0, z1))) → c40(SQR(add(proper(z0), proper(z1))), PROPER(add(z0, z1)))
PROPER(sqr(dbl(z0))) → c40(SQR(dbl(proper(z0))), PROPER(dbl(z0)))
PROPER(sqr(first(z0, z1))) → c40(SQR(first(proper(z0), proper(z1))), PROPER(first(z0, z1)))
PROPER(sqr(0)) → c40(SQR(ok(0)))
PROPER(sqr(nil)) → c40(SQR(ok(nil)))
PROPER(s(terms(z0))) → c41(S(terms(proper(z0))), PROPER(terms(z0)))
PROPER(s(cons(z0, z1))) → c41(S(cons(proper(z0), proper(z1))), PROPER(cons(z0, z1)))
PROPER(s(recip(z0))) → c41(S(recip(proper(z0))), PROPER(recip(z0)))
PROPER(s(sqr(z0))) → c41(S(sqr(proper(z0))), PROPER(sqr(z0)))
PROPER(s(s(z0))) → c41(S(s(proper(z0))), PROPER(s(z0)))
PROPER(s(add(z0, z1))) → c41(S(add(proper(z0), proper(z1))), PROPER(add(z0, z1)))
PROPER(s(dbl(z0))) → c41(S(dbl(proper(z0))), PROPER(dbl(z0)))
PROPER(s(first(z0, z1))) → c41(S(first(proper(z0), proper(z1))), PROPER(first(z0, z1)))
PROPER(s(0)) → c41(S(ok(0)))
PROPER(s(nil)) → c41(S(ok(nil)))
PROPER(add(x0, terms(z0))) → c43(ADD(proper(x0), terms(proper(z0))), PROPER(x0), PROPER(terms(z0)))
PROPER(add(x0, cons(z0, z1))) → c43(ADD(proper(x0), cons(proper(z0), proper(z1))), PROPER(x0), PROPER(cons(z0, z1)))
PROPER(add(x0, recip(z0))) → c43(ADD(proper(x0), recip(proper(z0))), PROPER(x0), PROPER(recip(z0)))
PROPER(add(x0, sqr(z0))) → c43(ADD(proper(x0), sqr(proper(z0))), PROPER(x0), PROPER(sqr(z0)))
PROPER(add(x0, s(z0))) → c43(ADD(proper(x0), s(proper(z0))), PROPER(x0), PROPER(s(z0)))
PROPER(add(x0, add(z0, z1))) → c43(ADD(proper(x0), add(proper(z0), proper(z1))), PROPER(x0), PROPER(add(z0, z1)))
PROPER(add(x0, dbl(z0))) → c43(ADD(proper(x0), dbl(proper(z0))), PROPER(x0), PROPER(dbl(z0)))
PROPER(add(x0, first(z0, z1))) → c43(ADD(proper(x0), first(proper(z0), proper(z1))), PROPER(x0), PROPER(first(z0, z1)))
PROPER(add(terms(z0), x1)) → c43(ADD(terms(proper(z0)), proper(x1)), PROPER(terms(z0)), PROPER(x1))
PROPER(add(cons(z0, z1), x1)) → c43(ADD(cons(proper(z0), proper(z1)), proper(x1)), PROPER(cons(z0, z1)), PROPER(x1))
PROPER(add(recip(z0), x1)) → c43(ADD(recip(proper(z0)), proper(x1)), PROPER(recip(z0)), PROPER(x1))
PROPER(add(sqr(z0), x1)) → c43(ADD(sqr(proper(z0)), proper(x1)), PROPER(sqr(z0)), PROPER(x1))
PROPER(add(s(z0), x1)) → c43(ADD(s(proper(z0)), proper(x1)), PROPER(s(z0)), PROPER(x1))
PROPER(add(add(z0, z1), x1)) → c43(ADD(add(proper(z0), proper(z1)), proper(x1)), PROPER(add(z0, z1)), PROPER(x1))
PROPER(add(dbl(z0), x1)) → c43(ADD(dbl(proper(z0)), proper(x1)), PROPER(dbl(z0)), PROPER(x1))
PROPER(add(first(z0, z1), x1)) → c43(ADD(first(proper(z0), proper(z1)), proper(x1)), PROPER(first(z0, z1)), PROPER(x1))
PROPER(add(x0, 0)) → c43(ADD(proper(x0), ok(0)), PROPER(x0))
PROPER(add(x0, nil)) → c43(ADD(proper(x0), ok(nil)), PROPER(x0))
PROPER(add(0, x1)) → c43(ADD(ok(0), proper(x1)), PROPER(x1))
PROPER(add(nil, x1)) → c43(ADD(ok(nil), proper(x1)), PROPER(x1))
PROPER(dbl(terms(z0))) → c44(DBL(terms(proper(z0))), PROPER(terms(z0)))
PROPER(dbl(cons(z0, z1))) → c44(DBL(cons(proper(z0), proper(z1))), PROPER(cons(z0, z1)))
PROPER(dbl(recip(z0))) → c44(DBL(recip(proper(z0))), PROPER(recip(z0)))
PROPER(dbl(sqr(z0))) → c44(DBL(sqr(proper(z0))), PROPER(sqr(z0)))
PROPER(dbl(s(z0))) → c44(DBL(s(proper(z0))), PROPER(s(z0)))
PROPER(dbl(add(z0, z1))) → c44(DBL(add(proper(z0), proper(z1))), PROPER(add(z0, z1)))
PROPER(dbl(dbl(z0))) → c44(DBL(dbl(proper(z0))), PROPER(dbl(z0)))
PROPER(dbl(first(z0, z1))) → c44(DBL(first(proper(z0), proper(z1))), PROPER(first(z0, z1)))
PROPER(dbl(0)) → c44(DBL(ok(0)))
PROPER(dbl(nil)) → c44(DBL(ok(nil)))
PROPER(first(x0, terms(z0))) → c45(FIRST(proper(x0), terms(proper(z0))), PROPER(x0), PROPER(terms(z0)))
PROPER(first(x0, cons(z0, z1))) → c45(FIRST(proper(x0), cons(proper(z0), proper(z1))), PROPER(x0), PROPER(cons(z0, z1)))
PROPER(first(x0, recip(z0))) → c45(FIRST(proper(x0), recip(proper(z0))), PROPER(x0), PROPER(recip(z0)))
PROPER(first(x0, sqr(z0))) → c45(FIRST(proper(x0), sqr(proper(z0))), PROPER(x0), PROPER(sqr(z0)))
PROPER(first(x0, s(z0))) → c45(FIRST(proper(x0), s(proper(z0))), PROPER(x0), PROPER(s(z0)))
PROPER(first(x0, add(z0, z1))) → c45(FIRST(proper(x0), add(proper(z0), proper(z1))), PROPER(x0), PROPER(add(z0, z1)))
PROPER(first(x0, dbl(z0))) → c45(FIRST(proper(x0), dbl(proper(z0))), PROPER(x0), PROPER(dbl(z0)))
PROPER(first(x0, first(z0, z1))) → c45(FIRST(proper(x0), first(proper(z0), proper(z1))), PROPER(x0), PROPER(first(z0, z1)))
PROPER(first(terms(z0), x1)) → c45(FIRST(terms(proper(z0)), proper(x1)), PROPER(terms(z0)), PROPER(x1))
PROPER(first(cons(z0, z1), x1)) → c45(FIRST(cons(proper(z0), proper(z1)), proper(x1)), PROPER(cons(z0, z1)), PROPER(x1))
PROPER(first(recip(z0), x1)) → c45(FIRST(recip(proper(z0)), proper(x1)), PROPER(recip(z0)), PROPER(x1))
PROPER(first(sqr(z0), x1)) → c45(FIRST(sqr(proper(z0)), proper(x1)), PROPER(sqr(z0)), PROPER(x1))
PROPER(first(s(z0), x1)) → c45(FIRST(s(proper(z0)), proper(x1)), PROPER(s(z0)), PROPER(x1))
PROPER(first(add(z0, z1), x1)) → c45(FIRST(add(proper(z0), proper(z1)), proper(x1)), PROPER(add(z0, z1)), PROPER(x1))
PROPER(first(dbl(z0), x1)) → c45(FIRST(dbl(proper(z0)), proper(x1)), PROPER(dbl(z0)), PROPER(x1))
PROPER(first(first(z0, z1), x1)) → c45(FIRST(first(proper(z0), proper(z1)), proper(x1)), PROPER(first(z0, z1)), PROPER(x1))
PROPER(first(x0, 0)) → c45(FIRST(proper(x0), ok(0)), PROPER(x0))
PROPER(first(x0, nil)) → c45(FIRST(proper(x0), ok(nil)), PROPER(x0))
PROPER(first(0, x1)) → c45(FIRST(ok(0), proper(x1)), PROPER(x1))
PROPER(first(nil, x1)) → c45(FIRST(ok(nil), proper(x1)), PROPER(x1))
TOP(mark(terms(z0))) → c47(TOP(terms(proper(z0))), PROPER(terms(z0)))
TOP(mark(cons(z0, z1))) → c47(TOP(cons(proper(z0), proper(z1))), PROPER(cons(z0, z1)))
TOP(mark(recip(z0))) → c47(TOP(recip(proper(z0))), PROPER(recip(z0)))
TOP(mark(sqr(z0))) → c47(TOP(sqr(proper(z0))), PROPER(sqr(z0)))
TOP(mark(s(z0))) → c47(TOP(s(proper(z0))), PROPER(s(z0)))
TOP(mark(0)) → c47(TOP(ok(0)), PROPER(0))
TOP(mark(add(z0, z1))) → c47(TOP(add(proper(z0), proper(z1))), PROPER(add(z0, z1)))
TOP(mark(dbl(z0))) → c47(TOP(dbl(proper(z0))), PROPER(dbl(z0)))
TOP(mark(first(z0, z1))) → c47(TOP(first(proper(z0), proper(z1))), PROPER(first(z0, z1)))
TOP(mark(nil)) → c47(TOP(ok(nil)), PROPER(nil))
S tuples:

ACTIVE(add(z0, z1)) → c14(ADD(active(z0), z1), ACTIVE(z0))
ACTIVE(add(z0, z1)) → c15(ADD(z0, active(z1)), ACTIVE(z1))
ACTIVE(first(z0, z1)) → c17(FIRST(active(z0), z1), ACTIVE(z0))
ACTIVE(first(z0, z1)) → c18(FIRST(z0, active(z1)), ACTIVE(z1))
TERMS(mark(z0)) → c19(TERMS(z0))
TERMS(ok(z0)) → c20(TERMS(z0))
CONS(mark(z0), z1) → c21(CONS(z0, z1))
CONS(ok(z0), ok(z1)) → c22(CONS(z0, z1))
RECIP(mark(z0)) → c23(RECIP(z0))
RECIP(ok(z0)) → c24(RECIP(z0))
SQR(mark(z0)) → c25(SQR(z0))
SQR(ok(z0)) → c26(SQR(z0))
S(mark(z0)) → c27(S(z0))
S(ok(z0)) → c28(S(z0))
ADD(mark(z0), z1) → c29(ADD(z0, z1))
ADD(z0, mark(z1)) → c30(ADD(z0, z1))
ADD(ok(z0), ok(z1)) → c31(ADD(z0, z1))
DBL(mark(z0)) → c32(DBL(z0))
DBL(ok(z0)) → c33(DBL(z0))
FIRST(mark(z0), z1) → c34(FIRST(z0, z1))
FIRST(z0, mark(z1)) → c35(FIRST(z0, z1))
FIRST(ok(z0), ok(z1)) → c36(FIRST(z0, z1))
TOP(ok(z0)) → c48(TOP(active(z0)), ACTIVE(z0))
ACTIVE(dbl(s(z0))) → c4(DBL(z0))
ACTIVE(add(s(z0), z1)) → c6(ADD(z0, z1))
ACTIVE(first(s(z0), cons(z1, z2))) → c1(CONS(z1, first(z0, z2)))
ACTIVE(first(s(z0), cons(z1, z2))) → c1(FIRST(z0, z2))
ACTIVE(terms(z0)) → c1(SQR(z0))
ACTIVE(terms(z0)) → c1(S(z0))
ACTIVE(sqr(s(z0))) → c1(SQR(z0))
ACTIVE(sqr(s(z0))) → c1(DBL(z0))
ACTIVE(terms(terms(z0))) → c9(TERMS(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(terms(sqr(s(z0)))) → c9(TERMS(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(terms(dbl(s(z0)))) → c9(TERMS(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(terms(add(0, z0))) → c9(TERMS(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(terms(add(s(z0), z1))) → c9(TERMS(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(terms(first(0, z0))) → c9(TERMS(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(terms(first(s(z0), cons(z1, z2)))) → c9(TERMS(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(terms(terms(z0))) → c9(TERMS(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(terms(cons(z0, z1))) → c9(TERMS(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(terms(recip(z0))) → c9(TERMS(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(terms(sqr(z0))) → c9(TERMS(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(terms(s(z0))) → c9(TERMS(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(terms(add(z0, z1))) → c9(TERMS(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(terms(add(z0, z1))) → c9(TERMS(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(terms(dbl(z0))) → c9(TERMS(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(terms(first(z0, z1))) → c9(TERMS(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(terms(first(z0, z1))) → c9(TERMS(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(cons(terms(z0), x1)) → c10(CONS(mark(cons(recip(sqr(z0)), terms(s(z0)))), x1), ACTIVE(terms(z0)))
ACTIVE(cons(sqr(s(z0)), x1)) → c10(CONS(mark(s(add(sqr(z0), dbl(z0)))), x1), ACTIVE(sqr(s(z0))))
ACTIVE(cons(dbl(s(z0)), x1)) → c10(CONS(mark(s(s(dbl(z0)))), x1), ACTIVE(dbl(s(z0))))
ACTIVE(cons(add(0, z0), x1)) → c10(CONS(mark(z0), x1), ACTIVE(add(0, z0)))
ACTIVE(cons(add(s(z0), z1), x1)) → c10(CONS(mark(s(add(z0, z1))), x1), ACTIVE(add(s(z0), z1)))
ACTIVE(cons(first(0, z0), x1)) → c10(CONS(mark(nil), x1), ACTIVE(first(0, z0)))
ACTIVE(cons(first(s(z0), cons(z1, z2)), x1)) → c10(CONS(mark(cons(z1, first(z0, z2))), x1), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(cons(terms(z0), x1)) → c10(CONS(terms(active(z0)), x1), ACTIVE(terms(z0)))
ACTIVE(cons(cons(z0, z1), x1)) → c10(CONS(cons(active(z0), z1), x1), ACTIVE(cons(z0, z1)))
ACTIVE(cons(recip(z0), x1)) → c10(CONS(recip(active(z0)), x1), ACTIVE(recip(z0)))
ACTIVE(cons(sqr(z0), x1)) → c10(CONS(sqr(active(z0)), x1), ACTIVE(sqr(z0)))
ACTIVE(cons(s(z0), x1)) → c10(CONS(s(active(z0)), x1), ACTIVE(s(z0)))
ACTIVE(cons(add(z0, z1), x1)) → c10(CONS(add(active(z0), z1), x1), ACTIVE(add(z0, z1)))
ACTIVE(cons(add(z0, z1), x1)) → c10(CONS(add(z0, active(z1)), x1), ACTIVE(add(z0, z1)))
ACTIVE(cons(dbl(z0), x1)) → c10(CONS(dbl(active(z0)), x1), ACTIVE(dbl(z0)))
ACTIVE(cons(first(z0, z1), x1)) → c10(CONS(first(active(z0), z1), x1), ACTIVE(first(z0, z1)))
ACTIVE(cons(first(z0, z1), x1)) → c10(CONS(first(z0, active(z1)), x1), ACTIVE(first(z0, z1)))
ACTIVE(recip(terms(z0))) → c11(RECIP(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(recip(sqr(s(z0)))) → c11(RECIP(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(recip(dbl(s(z0)))) → c11(RECIP(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(recip(add(0, z0))) → c11(RECIP(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(recip(add(s(z0), z1))) → c11(RECIP(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(recip(first(0, z0))) → c11(RECIP(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(recip(first(s(z0), cons(z1, z2)))) → c11(RECIP(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(recip(terms(z0))) → c11(RECIP(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(recip(cons(z0, z1))) → c11(RECIP(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(recip(recip(z0))) → c11(RECIP(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(recip(sqr(z0))) → c11(RECIP(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(recip(s(z0))) → c11(RECIP(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(recip(add(z0, z1))) → c11(RECIP(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(recip(add(z0, z1))) → c11(RECIP(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(recip(dbl(z0))) → c11(RECIP(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(recip(first(z0, z1))) → c11(RECIP(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(recip(first(z0, z1))) → c11(RECIP(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(sqr(terms(z0))) → c12(SQR(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(sqr(sqr(s(z0)))) → c12(SQR(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(sqr(dbl(s(z0)))) → c12(SQR(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(sqr(add(0, z0))) → c12(SQR(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(sqr(add(s(z0), z1))) → c12(SQR(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(sqr(first(0, z0))) → c12(SQR(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(sqr(first(s(z0), cons(z1, z2)))) → c12(SQR(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(sqr(terms(z0))) → c12(SQR(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(sqr(cons(z0, z1))) → c12(SQR(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(sqr(recip(z0))) → c12(SQR(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(sqr(sqr(z0))) → c12(SQR(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(sqr(s(z0))) → c12(SQR(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(sqr(add(z0, z1))) → c12(SQR(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(sqr(add(z0, z1))) → c12(SQR(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(sqr(dbl(z0))) → c12(SQR(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(sqr(first(z0, z1))) → c12(SQR(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(sqr(first(z0, z1))) → c12(SQR(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(terms(sqr(0))) → c9(TERMS(mark(0)))
ACTIVE(cons(sqr(0), x1)) → c10(CONS(mark(0), x1))
ACTIVE(recip(sqr(0))) → c11(RECIP(mark(0)))
ACTIVE(sqr(sqr(0))) → c12(SQR(mark(0)))
ACTIVE(s(terms(z0))) → c13(S(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(s(sqr(s(z0)))) → c13(S(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(s(dbl(s(z0)))) → c13(S(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(s(add(0, z0))) → c13(S(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(s(add(s(z0), z1))) → c13(S(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(s(first(0, z0))) → c13(S(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(s(first(s(z0), cons(z1, z2)))) → c13(S(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(s(terms(z0))) → c13(S(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(s(cons(z0, z1))) → c13(S(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(s(recip(z0))) → c13(S(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(s(sqr(z0))) → c13(S(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(s(s(z0))) → c13(S(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(s(add(z0, z1))) → c13(S(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(s(add(z0, z1))) → c13(S(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(s(dbl(z0))) → c13(S(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(s(first(z0, z1))) → c13(S(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(s(first(z0, z1))) → c13(S(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(s(sqr(0))) → c13(S(mark(0)))
ACTIVE(dbl(terms(z0))) → c16(DBL(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(dbl(sqr(s(z0)))) → c16(DBL(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(dbl(dbl(s(z0)))) → c16(DBL(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(dbl(add(0, z0))) → c16(DBL(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(dbl(add(s(z0), z1))) → c16(DBL(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(dbl(first(0, z0))) → c16(DBL(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(dbl(first(s(z0), cons(z1, z2)))) → c16(DBL(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(dbl(terms(z0))) → c16(DBL(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(dbl(cons(z0, z1))) → c16(DBL(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(dbl(recip(z0))) → c16(DBL(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(dbl(sqr(z0))) → c16(DBL(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(dbl(s(z0))) → c16(DBL(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(dbl(add(z0, z1))) → c16(DBL(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(dbl(add(z0, z1))) → c16(DBL(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(dbl(dbl(z0))) → c16(DBL(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(dbl(first(z0, z1))) → c16(DBL(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(dbl(first(z0, z1))) → c16(DBL(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(terms(dbl(0))) → c9(TERMS(mark(0)))
ACTIVE(cons(dbl(0), x1)) → c10(CONS(mark(0), x1))
ACTIVE(recip(dbl(0))) → c11(RECIP(mark(0)))
ACTIVE(sqr(dbl(0))) → c12(SQR(mark(0)))
ACTIVE(s(dbl(0))) → c13(S(mark(0)))
ACTIVE(dbl(sqr(0))) → c16(DBL(mark(0)))
ACTIVE(dbl(dbl(0))) → c16(DBL(mark(0)))
PROPER(terms(terms(z0))) → c37(TERMS(terms(proper(z0))), PROPER(terms(z0)))
PROPER(terms(cons(z0, z1))) → c37(TERMS(cons(proper(z0), proper(z1))), PROPER(cons(z0, z1)))
PROPER(terms(recip(z0))) → c37(TERMS(recip(proper(z0))), PROPER(recip(z0)))
PROPER(terms(sqr(z0))) → c37(TERMS(sqr(proper(z0))), PROPER(sqr(z0)))
PROPER(terms(s(z0))) → c37(TERMS(s(proper(z0))), PROPER(s(z0)))
PROPER(terms(add(z0, z1))) → c37(TERMS(add(proper(z0), proper(z1))), PROPER(add(z0, z1)))
PROPER(terms(dbl(z0))) → c37(TERMS(dbl(proper(z0))), PROPER(dbl(z0)))
PROPER(terms(first(z0, z1))) → c37(TERMS(first(proper(z0), proper(z1))), PROPER(first(z0, z1)))
PROPER(terms(0)) → c37(TERMS(ok(0)))
PROPER(terms(nil)) → c37(TERMS(ok(nil)))
PROPER(cons(x0, terms(z0))) → c38(CONS(proper(x0), terms(proper(z0))), PROPER(x0), PROPER(terms(z0)))
PROPER(cons(x0, cons(z0, z1))) → c38(CONS(proper(x0), cons(proper(z0), proper(z1))), PROPER(x0), PROPER(cons(z0, z1)))
PROPER(cons(x0, recip(z0))) → c38(CONS(proper(x0), recip(proper(z0))), PROPER(x0), PROPER(recip(z0)))
PROPER(cons(x0, sqr(z0))) → c38(CONS(proper(x0), sqr(proper(z0))), PROPER(x0), PROPER(sqr(z0)))
PROPER(cons(x0, s(z0))) → c38(CONS(proper(x0), s(proper(z0))), PROPER(x0), PROPER(s(z0)))
PROPER(cons(x0, add(z0, z1))) → c38(CONS(proper(x0), add(proper(z0), proper(z1))), PROPER(x0), PROPER(add(z0, z1)))
PROPER(cons(x0, dbl(z0))) → c38(CONS(proper(x0), dbl(proper(z0))), PROPER(x0), PROPER(dbl(z0)))
PROPER(cons(x0, first(z0, z1))) → c38(CONS(proper(x0), first(proper(z0), proper(z1))), PROPER(x0), PROPER(first(z0, z1)))
PROPER(cons(terms(z0), x1)) → c38(CONS(terms(proper(z0)), proper(x1)), PROPER(terms(z0)), PROPER(x1))
PROPER(cons(cons(z0, z1), x1)) → c38(CONS(cons(proper(z0), proper(z1)), proper(x1)), PROPER(cons(z0, z1)), PROPER(x1))
PROPER(cons(recip(z0), x1)) → c38(CONS(recip(proper(z0)), proper(x1)), PROPER(recip(z0)), PROPER(x1))
PROPER(cons(sqr(z0), x1)) → c38(CONS(sqr(proper(z0)), proper(x1)), PROPER(sqr(z0)), PROPER(x1))
PROPER(cons(s(z0), x1)) → c38(CONS(s(proper(z0)), proper(x1)), PROPER(s(z0)), PROPER(x1))
PROPER(cons(add(z0, z1), x1)) → c38(CONS(add(proper(z0), proper(z1)), proper(x1)), PROPER(add(z0, z1)), PROPER(x1))
PROPER(cons(dbl(z0), x1)) → c38(CONS(dbl(proper(z0)), proper(x1)), PROPER(dbl(z0)), PROPER(x1))
PROPER(cons(first(z0, z1), x1)) → c38(CONS(first(proper(z0), proper(z1)), proper(x1)), PROPER(first(z0, z1)), PROPER(x1))
PROPER(cons(x0, 0)) → c38(CONS(proper(x0), ok(0)), PROPER(x0))
PROPER(cons(x0, nil)) → c38(CONS(proper(x0), ok(nil)), PROPER(x0))
PROPER(cons(0, x1)) → c38(CONS(ok(0), proper(x1)), PROPER(x1))
PROPER(cons(nil, x1)) → c38(CONS(ok(nil), proper(x1)), PROPER(x1))
PROPER(recip(terms(z0))) → c39(RECIP(terms(proper(z0))), PROPER(terms(z0)))
PROPER(recip(cons(z0, z1))) → c39(RECIP(cons(proper(z0), proper(z1))), PROPER(cons(z0, z1)))
PROPER(recip(recip(z0))) → c39(RECIP(recip(proper(z0))), PROPER(recip(z0)))
PROPER(recip(sqr(z0))) → c39(RECIP(sqr(proper(z0))), PROPER(sqr(z0)))
PROPER(recip(s(z0))) → c39(RECIP(s(proper(z0))), PROPER(s(z0)))
PROPER(recip(add(z0, z1))) → c39(RECIP(add(proper(z0), proper(z1))), PROPER(add(z0, z1)))
PROPER(recip(dbl(z0))) → c39(RECIP(dbl(proper(z0))), PROPER(dbl(z0)))
PROPER(recip(first(z0, z1))) → c39(RECIP(first(proper(z0), proper(z1))), PROPER(first(z0, z1)))
PROPER(recip(0)) → c39(RECIP(ok(0)))
PROPER(recip(nil)) → c39(RECIP(ok(nil)))
PROPER(sqr(terms(z0))) → c40(SQR(terms(proper(z0))), PROPER(terms(z0)))
PROPER(sqr(cons(z0, z1))) → c40(SQR(cons(proper(z0), proper(z1))), PROPER(cons(z0, z1)))
PROPER(sqr(recip(z0))) → c40(SQR(recip(proper(z0))), PROPER(recip(z0)))
PROPER(sqr(sqr(z0))) → c40(SQR(sqr(proper(z0))), PROPER(sqr(z0)))
PROPER(sqr(s(z0))) → c40(SQR(s(proper(z0))), PROPER(s(z0)))
PROPER(sqr(add(z0, z1))) → c40(SQR(add(proper(z0), proper(z1))), PROPER(add(z0, z1)))
PROPER(sqr(dbl(z0))) → c40(SQR(dbl(proper(z0))), PROPER(dbl(z0)))
PROPER(sqr(first(z0, z1))) → c40(SQR(first(proper(z0), proper(z1))), PROPER(first(z0, z1)))
PROPER(sqr(0)) → c40(SQR(ok(0)))
PROPER(sqr(nil)) → c40(SQR(ok(nil)))
PROPER(s(terms(z0))) → c41(S(terms(proper(z0))), PROPER(terms(z0)))
PROPER(s(cons(z0, z1))) → c41(S(cons(proper(z0), proper(z1))), PROPER(cons(z0, z1)))
PROPER(s(recip(z0))) → c41(S(recip(proper(z0))), PROPER(recip(z0)))
PROPER(s(sqr(z0))) → c41(S(sqr(proper(z0))), PROPER(sqr(z0)))
PROPER(s(s(z0))) → c41(S(s(proper(z0))), PROPER(s(z0)))
PROPER(s(add(z0, z1))) → c41(S(add(proper(z0), proper(z1))), PROPER(add(z0, z1)))
PROPER(s(dbl(z0))) → c41(S(dbl(proper(z0))), PROPER(dbl(z0)))
PROPER(s(first(z0, z1))) → c41(S(first(proper(z0), proper(z1))), PROPER(first(z0, z1)))
PROPER(s(0)) → c41(S(ok(0)))
PROPER(s(nil)) → c41(S(ok(nil)))
PROPER(add(x0, terms(z0))) → c43(ADD(proper(x0), terms(proper(z0))), PROPER(x0), PROPER(terms(z0)))
PROPER(add(x0, cons(z0, z1))) → c43(ADD(proper(x0), cons(proper(z0), proper(z1))), PROPER(x0), PROPER(cons(z0, z1)))
PROPER(add(x0, recip(z0))) → c43(ADD(proper(x0), recip(proper(z0))), PROPER(x0), PROPER(recip(z0)))
PROPER(add(x0, sqr(z0))) → c43(ADD(proper(x0), sqr(proper(z0))), PROPER(x0), PROPER(sqr(z0)))
PROPER(add(x0, s(z0))) → c43(ADD(proper(x0), s(proper(z0))), PROPER(x0), PROPER(s(z0)))
PROPER(add(x0, add(z0, z1))) → c43(ADD(proper(x0), add(proper(z0), proper(z1))), PROPER(x0), PROPER(add(z0, z1)))
PROPER(add(x0, dbl(z0))) → c43(ADD(proper(x0), dbl(proper(z0))), PROPER(x0), PROPER(dbl(z0)))
PROPER(add(x0, first(z0, z1))) → c43(ADD(proper(x0), first(proper(z0), proper(z1))), PROPER(x0), PROPER(first(z0, z1)))
PROPER(add(terms(z0), x1)) → c43(ADD(terms(proper(z0)), proper(x1)), PROPER(terms(z0)), PROPER(x1))
PROPER(add(cons(z0, z1), x1)) → c43(ADD(cons(proper(z0), proper(z1)), proper(x1)), PROPER(cons(z0, z1)), PROPER(x1))
PROPER(add(recip(z0), x1)) → c43(ADD(recip(proper(z0)), proper(x1)), PROPER(recip(z0)), PROPER(x1))
PROPER(add(sqr(z0), x1)) → c43(ADD(sqr(proper(z0)), proper(x1)), PROPER(sqr(z0)), PROPER(x1))
PROPER(add(s(z0), x1)) → c43(ADD(s(proper(z0)), proper(x1)), PROPER(s(z0)), PROPER(x1))
PROPER(add(add(z0, z1), x1)) → c43(ADD(add(proper(z0), proper(z1)), proper(x1)), PROPER(add(z0, z1)), PROPER(x1))
PROPER(add(dbl(z0), x1)) → c43(ADD(dbl(proper(z0)), proper(x1)), PROPER(dbl(z0)), PROPER(x1))
PROPER(add(first(z0, z1), x1)) → c43(ADD(first(proper(z0), proper(z1)), proper(x1)), PROPER(first(z0, z1)), PROPER(x1))
PROPER(add(x0, 0)) → c43(ADD(proper(x0), ok(0)), PROPER(x0))
PROPER(add(x0, nil)) → c43(ADD(proper(x0), ok(nil)), PROPER(x0))
PROPER(add(0, x1)) → c43(ADD(ok(0), proper(x1)), PROPER(x1))
PROPER(add(nil, x1)) → c43(ADD(ok(nil), proper(x1)), PROPER(x1))
PROPER(dbl(terms(z0))) → c44(DBL(terms(proper(z0))), PROPER(terms(z0)))
PROPER(dbl(cons(z0, z1))) → c44(DBL(cons(proper(z0), proper(z1))), PROPER(cons(z0, z1)))
PROPER(dbl(recip(z0))) → c44(DBL(recip(proper(z0))), PROPER(recip(z0)))
PROPER(dbl(sqr(z0))) → c44(DBL(sqr(proper(z0))), PROPER(sqr(z0)))
PROPER(dbl(s(z0))) → c44(DBL(s(proper(z0))), PROPER(s(z0)))
PROPER(dbl(add(z0, z1))) → c44(DBL(add(proper(z0), proper(z1))), PROPER(add(z0, z1)))
PROPER(dbl(dbl(z0))) → c44(DBL(dbl(proper(z0))), PROPER(dbl(z0)))
PROPER(dbl(first(z0, z1))) → c44(DBL(first(proper(z0), proper(z1))), PROPER(first(z0, z1)))
PROPER(dbl(0)) → c44(DBL(ok(0)))
PROPER(dbl(nil)) → c44(DBL(ok(nil)))
PROPER(first(x0, terms(z0))) → c45(FIRST(proper(x0), terms(proper(z0))), PROPER(x0), PROPER(terms(z0)))
PROPER(first(x0, cons(z0, z1))) → c45(FIRST(proper(x0), cons(proper(z0), proper(z1))), PROPER(x0), PROPER(cons(z0, z1)))
PROPER(first(x0, recip(z0))) → c45(FIRST(proper(x0), recip(proper(z0))), PROPER(x0), PROPER(recip(z0)))
PROPER(first(x0, sqr(z0))) → c45(FIRST(proper(x0), sqr(proper(z0))), PROPER(x0), PROPER(sqr(z0)))
PROPER(first(x0, s(z0))) → c45(FIRST(proper(x0), s(proper(z0))), PROPER(x0), PROPER(s(z0)))
PROPER(first(x0, add(z0, z1))) → c45(FIRST(proper(x0), add(proper(z0), proper(z1))), PROPER(x0), PROPER(add(z0, z1)))
PROPER(first(x0, dbl(z0))) → c45(FIRST(proper(x0), dbl(proper(z0))), PROPER(x0), PROPER(dbl(z0)))
PROPER(first(x0, first(z0, z1))) → c45(FIRST(proper(x0), first(proper(z0), proper(z1))), PROPER(x0), PROPER(first(z0, z1)))
PROPER(first(terms(z0), x1)) → c45(FIRST(terms(proper(z0)), proper(x1)), PROPER(terms(z0)), PROPER(x1))
PROPER(first(cons(z0, z1), x1)) → c45(FIRST(cons(proper(z0), proper(z1)), proper(x1)), PROPER(cons(z0, z1)), PROPER(x1))
PROPER(first(recip(z0), x1)) → c45(FIRST(recip(proper(z0)), proper(x1)), PROPER(recip(z0)), PROPER(x1))
PROPER(first(sqr(z0), x1)) → c45(FIRST(sqr(proper(z0)), proper(x1)), PROPER(sqr(z0)), PROPER(x1))
PROPER(first(s(z0), x1)) → c45(FIRST(s(proper(z0)), proper(x1)), PROPER(s(z0)), PROPER(x1))
PROPER(first(add(z0, z1), x1)) → c45(FIRST(add(proper(z0), proper(z1)), proper(x1)), PROPER(add(z0, z1)), PROPER(x1))
PROPER(first(dbl(z0), x1)) → c45(FIRST(dbl(proper(z0)), proper(x1)), PROPER(dbl(z0)), PROPER(x1))
PROPER(first(first(z0, z1), x1)) → c45(FIRST(first(proper(z0), proper(z1)), proper(x1)), PROPER(first(z0, z1)), PROPER(x1))
PROPER(first(x0, 0)) → c45(FIRST(proper(x0), ok(0)), PROPER(x0))
PROPER(first(x0, nil)) → c45(FIRST(proper(x0), ok(nil)), PROPER(x0))
PROPER(first(0, x1)) → c45(FIRST(ok(0), proper(x1)), PROPER(x1))
PROPER(first(nil, x1)) → c45(FIRST(ok(nil), proper(x1)), PROPER(x1))
TOP(mark(terms(z0))) → c47(TOP(terms(proper(z0))), PROPER(terms(z0)))
TOP(mark(cons(z0, z1))) → c47(TOP(cons(proper(z0), proper(z1))), PROPER(cons(z0, z1)))
TOP(mark(recip(z0))) → c47(TOP(recip(proper(z0))), PROPER(recip(z0)))
TOP(mark(sqr(z0))) → c47(TOP(sqr(proper(z0))), PROPER(sqr(z0)))
TOP(mark(s(z0))) → c47(TOP(s(proper(z0))), PROPER(s(z0)))
TOP(mark(0)) → c47(TOP(ok(0)), PROPER(0))
TOP(mark(add(z0, z1))) → c47(TOP(add(proper(z0), proper(z1))), PROPER(add(z0, z1)))
TOP(mark(dbl(z0))) → c47(TOP(dbl(proper(z0))), PROPER(dbl(z0)))
TOP(mark(first(z0, z1))) → c47(TOP(first(proper(z0), proper(z1))), PROPER(first(z0, z1)))
TOP(mark(nil)) → c47(TOP(ok(nil)), PROPER(nil))
K tuples:none
Defined Rule Symbols:

active, cons, first, terms, recip, sqr, s, add, dbl, proper

Defined Pair Symbols:

ACTIVE, TERMS, CONS, RECIP, SQR, S, ADD, DBL, FIRST, TOP, PROPER

Compound Symbols:

c14, c15, c17, c18, c19, c20, c21, c22, c23, c24, c25, c26, c27, c28, c29, c30, c31, c32, c33, c34, c35, c36, c48, c4, c6, c1, c9, c10, c11, c12, c9, c10, c11, c12, c13, c13, c16, c16, c37, c37, c38, c38, c39, c39, c40, c40, c41, c41, c43, c43, c44, c44, c45, c45, c47

(63) CdtRhsSimplificationProcessorProof (BOTH BOUNDS(ID, ID) transformation)

Removed 2 trailing tuple parts

(64) Obligation:

Complexity Dependency Tuples Problem
Rules:

active(terms(z0)) → mark(cons(recip(sqr(z0)), terms(s(z0))))
active(sqr(0)) → mark(0)
active(sqr(s(z0))) → mark(s(add(sqr(z0), dbl(z0))))
active(dbl(0)) → mark(0)
active(dbl(s(z0))) → mark(s(s(dbl(z0))))
active(add(0, z0)) → mark(z0)
active(add(s(z0), z1)) → mark(s(add(z0, z1)))
active(first(0, z0)) → mark(nil)
active(first(s(z0), cons(z1, z2))) → mark(cons(z1, first(z0, z2)))
active(terms(z0)) → terms(active(z0))
active(cons(z0, z1)) → cons(active(z0), z1)
active(recip(z0)) → recip(active(z0))
active(sqr(z0)) → sqr(active(z0))
active(s(z0)) → s(active(z0))
active(add(z0, z1)) → add(active(z0), z1)
active(add(z0, z1)) → add(z0, active(z1))
active(dbl(z0)) → dbl(active(z0))
active(first(z0, z1)) → first(active(z0), z1)
active(first(z0, z1)) → first(z0, active(z1))
cons(ok(z0), ok(z1)) → ok(cons(z0, z1))
cons(mark(z0), z1) → mark(cons(z0, z1))
first(z0, mark(z1)) → mark(first(z0, z1))
first(mark(z0), z1) → mark(first(z0, z1))
first(ok(z0), ok(z1)) → ok(first(z0, z1))
terms(mark(z0)) → mark(terms(z0))
terms(ok(z0)) → ok(terms(z0))
recip(mark(z0)) → mark(recip(z0))
recip(ok(z0)) → ok(recip(z0))
sqr(mark(z0)) → mark(sqr(z0))
sqr(ok(z0)) → ok(sqr(z0))
s(mark(z0)) → mark(s(z0))
s(ok(z0)) → ok(s(z0))
add(mark(z0), z1) → mark(add(z0, z1))
add(ok(z0), ok(z1)) → ok(add(z0, z1))
add(z0, mark(z1)) → mark(add(z0, z1))
dbl(mark(z0)) → mark(dbl(z0))
dbl(ok(z0)) → ok(dbl(z0))
proper(terms(z0)) → terms(proper(z0))
proper(cons(z0, z1)) → cons(proper(z0), proper(z1))
proper(recip(z0)) → recip(proper(z0))
proper(sqr(z0)) → sqr(proper(z0))
proper(s(z0)) → s(proper(z0))
proper(0) → ok(0)
proper(add(z0, z1)) → add(proper(z0), proper(z1))
proper(dbl(z0)) → dbl(proper(z0))
proper(first(z0, z1)) → first(proper(z0), proper(z1))
proper(nil) → ok(nil)
Tuples:

ACTIVE(add(z0, z1)) → c14(ADD(active(z0), z1), ACTIVE(z0))
ACTIVE(add(z0, z1)) → c15(ADD(z0, active(z1)), ACTIVE(z1))
ACTIVE(first(z0, z1)) → c17(FIRST(active(z0), z1), ACTIVE(z0))
ACTIVE(first(z0, z1)) → c18(FIRST(z0, active(z1)), ACTIVE(z1))
TERMS(mark(z0)) → c19(TERMS(z0))
TERMS(ok(z0)) → c20(TERMS(z0))
CONS(mark(z0), z1) → c21(CONS(z0, z1))
CONS(ok(z0), ok(z1)) → c22(CONS(z0, z1))
RECIP(mark(z0)) → c23(RECIP(z0))
RECIP(ok(z0)) → c24(RECIP(z0))
SQR(mark(z0)) → c25(SQR(z0))
SQR(ok(z0)) → c26(SQR(z0))
S(mark(z0)) → c27(S(z0))
S(ok(z0)) → c28(S(z0))
ADD(mark(z0), z1) → c29(ADD(z0, z1))
ADD(z0, mark(z1)) → c30(ADD(z0, z1))
ADD(ok(z0), ok(z1)) → c31(ADD(z0, z1))
DBL(mark(z0)) → c32(DBL(z0))
DBL(ok(z0)) → c33(DBL(z0))
FIRST(mark(z0), z1) → c34(FIRST(z0, z1))
FIRST(z0, mark(z1)) → c35(FIRST(z0, z1))
FIRST(ok(z0), ok(z1)) → c36(FIRST(z0, z1))
TOP(ok(z0)) → c48(TOP(active(z0)), ACTIVE(z0))
ACTIVE(dbl(s(z0))) → c4(DBL(z0))
ACTIVE(add(s(z0), z1)) → c6(ADD(z0, z1))
ACTIVE(first(s(z0), cons(z1, z2))) → c1(CONS(z1, first(z0, z2)))
ACTIVE(first(s(z0), cons(z1, z2))) → c1(FIRST(z0, z2))
ACTIVE(terms(z0)) → c1(SQR(z0))
ACTIVE(terms(z0)) → c1(S(z0))
ACTIVE(sqr(s(z0))) → c1(SQR(z0))
ACTIVE(sqr(s(z0))) → c1(DBL(z0))
ACTIVE(terms(terms(z0))) → c9(TERMS(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(terms(sqr(s(z0)))) → c9(TERMS(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(terms(dbl(s(z0)))) → c9(TERMS(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(terms(add(0, z0))) → c9(TERMS(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(terms(add(s(z0), z1))) → c9(TERMS(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(terms(first(0, z0))) → c9(TERMS(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(terms(first(s(z0), cons(z1, z2)))) → c9(TERMS(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(terms(terms(z0))) → c9(TERMS(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(terms(cons(z0, z1))) → c9(TERMS(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(terms(recip(z0))) → c9(TERMS(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(terms(sqr(z0))) → c9(TERMS(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(terms(s(z0))) → c9(TERMS(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(terms(add(z0, z1))) → c9(TERMS(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(terms(add(z0, z1))) → c9(TERMS(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(terms(dbl(z0))) → c9(TERMS(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(terms(first(z0, z1))) → c9(TERMS(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(terms(first(z0, z1))) → c9(TERMS(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(cons(terms(z0), x1)) → c10(CONS(mark(cons(recip(sqr(z0)), terms(s(z0)))), x1), ACTIVE(terms(z0)))
ACTIVE(cons(sqr(s(z0)), x1)) → c10(CONS(mark(s(add(sqr(z0), dbl(z0)))), x1), ACTIVE(sqr(s(z0))))
ACTIVE(cons(dbl(s(z0)), x1)) → c10(CONS(mark(s(s(dbl(z0)))), x1), ACTIVE(dbl(s(z0))))
ACTIVE(cons(add(0, z0), x1)) → c10(CONS(mark(z0), x1), ACTIVE(add(0, z0)))
ACTIVE(cons(add(s(z0), z1), x1)) → c10(CONS(mark(s(add(z0, z1))), x1), ACTIVE(add(s(z0), z1)))
ACTIVE(cons(first(0, z0), x1)) → c10(CONS(mark(nil), x1), ACTIVE(first(0, z0)))
ACTIVE(cons(first(s(z0), cons(z1, z2)), x1)) → c10(CONS(mark(cons(z1, first(z0, z2))), x1), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(cons(terms(z0), x1)) → c10(CONS(terms(active(z0)), x1), ACTIVE(terms(z0)))
ACTIVE(cons(cons(z0, z1), x1)) → c10(CONS(cons(active(z0), z1), x1), ACTIVE(cons(z0, z1)))
ACTIVE(cons(recip(z0), x1)) → c10(CONS(recip(active(z0)), x1), ACTIVE(recip(z0)))
ACTIVE(cons(sqr(z0), x1)) → c10(CONS(sqr(active(z0)), x1), ACTIVE(sqr(z0)))
ACTIVE(cons(s(z0), x1)) → c10(CONS(s(active(z0)), x1), ACTIVE(s(z0)))
ACTIVE(cons(add(z0, z1), x1)) → c10(CONS(add(active(z0), z1), x1), ACTIVE(add(z0, z1)))
ACTIVE(cons(add(z0, z1), x1)) → c10(CONS(add(z0, active(z1)), x1), ACTIVE(add(z0, z1)))
ACTIVE(cons(dbl(z0), x1)) → c10(CONS(dbl(active(z0)), x1), ACTIVE(dbl(z0)))
ACTIVE(cons(first(z0, z1), x1)) → c10(CONS(first(active(z0), z1), x1), ACTIVE(first(z0, z1)))
ACTIVE(cons(first(z0, z1), x1)) → c10(CONS(first(z0, active(z1)), x1), ACTIVE(first(z0, z1)))
ACTIVE(recip(terms(z0))) → c11(RECIP(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(recip(sqr(s(z0)))) → c11(RECIP(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(recip(dbl(s(z0)))) → c11(RECIP(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(recip(add(0, z0))) → c11(RECIP(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(recip(add(s(z0), z1))) → c11(RECIP(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(recip(first(0, z0))) → c11(RECIP(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(recip(first(s(z0), cons(z1, z2)))) → c11(RECIP(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(recip(terms(z0))) → c11(RECIP(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(recip(cons(z0, z1))) → c11(RECIP(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(recip(recip(z0))) → c11(RECIP(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(recip(sqr(z0))) → c11(RECIP(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(recip(s(z0))) → c11(RECIP(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(recip(add(z0, z1))) → c11(RECIP(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(recip(add(z0, z1))) → c11(RECIP(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(recip(dbl(z0))) → c11(RECIP(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(recip(first(z0, z1))) → c11(RECIP(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(recip(first(z0, z1))) → c11(RECIP(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(sqr(terms(z0))) → c12(SQR(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(sqr(sqr(s(z0)))) → c12(SQR(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(sqr(dbl(s(z0)))) → c12(SQR(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(sqr(add(0, z0))) → c12(SQR(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(sqr(add(s(z0), z1))) → c12(SQR(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(sqr(first(0, z0))) → c12(SQR(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(sqr(first(s(z0), cons(z1, z2)))) → c12(SQR(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(sqr(terms(z0))) → c12(SQR(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(sqr(cons(z0, z1))) → c12(SQR(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(sqr(recip(z0))) → c12(SQR(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(sqr(sqr(z0))) → c12(SQR(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(sqr(s(z0))) → c12(SQR(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(sqr(add(z0, z1))) → c12(SQR(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(sqr(add(z0, z1))) → c12(SQR(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(sqr(dbl(z0))) → c12(SQR(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(sqr(first(z0, z1))) → c12(SQR(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(sqr(first(z0, z1))) → c12(SQR(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(terms(sqr(0))) → c9(TERMS(mark(0)))
ACTIVE(cons(sqr(0), x1)) → c10(CONS(mark(0), x1))
ACTIVE(recip(sqr(0))) → c11(RECIP(mark(0)))
ACTIVE(sqr(sqr(0))) → c12(SQR(mark(0)))
ACTIVE(s(terms(z0))) → c13(S(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(s(sqr(s(z0)))) → c13(S(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(s(dbl(s(z0)))) → c13(S(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(s(add(0, z0))) → c13(S(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(s(add(s(z0), z1))) → c13(S(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(s(first(0, z0))) → c13(S(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(s(first(s(z0), cons(z1, z2)))) → c13(S(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(s(terms(z0))) → c13(S(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(s(cons(z0, z1))) → c13(S(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(s(recip(z0))) → c13(S(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(s(sqr(z0))) → c13(S(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(s(s(z0))) → c13(S(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(s(add(z0, z1))) → c13(S(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(s(add(z0, z1))) → c13(S(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(s(dbl(z0))) → c13(S(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(s(first(z0, z1))) → c13(S(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(s(first(z0, z1))) → c13(S(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(s(sqr(0))) → c13(S(mark(0)))
ACTIVE(dbl(terms(z0))) → c16(DBL(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(dbl(sqr(s(z0)))) → c16(DBL(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(dbl(dbl(s(z0)))) → c16(DBL(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(dbl(add(0, z0))) → c16(DBL(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(dbl(add(s(z0), z1))) → c16(DBL(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(dbl(first(0, z0))) → c16(DBL(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(dbl(first(s(z0), cons(z1, z2)))) → c16(DBL(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(dbl(terms(z0))) → c16(DBL(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(dbl(cons(z0, z1))) → c16(DBL(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(dbl(recip(z0))) → c16(DBL(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(dbl(sqr(z0))) → c16(DBL(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(dbl(s(z0))) → c16(DBL(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(dbl(add(z0, z1))) → c16(DBL(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(dbl(add(z0, z1))) → c16(DBL(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(dbl(dbl(z0))) → c16(DBL(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(dbl(first(z0, z1))) → c16(DBL(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(dbl(first(z0, z1))) → c16(DBL(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(terms(dbl(0))) → c9(TERMS(mark(0)))
ACTIVE(cons(dbl(0), x1)) → c10(CONS(mark(0), x1))
ACTIVE(recip(dbl(0))) → c11(RECIP(mark(0)))
ACTIVE(sqr(dbl(0))) → c12(SQR(mark(0)))
ACTIVE(s(dbl(0))) → c13(S(mark(0)))
ACTIVE(dbl(sqr(0))) → c16(DBL(mark(0)))
ACTIVE(dbl(dbl(0))) → c16(DBL(mark(0)))
PROPER(terms(terms(z0))) → c37(TERMS(terms(proper(z0))), PROPER(terms(z0)))
PROPER(terms(cons(z0, z1))) → c37(TERMS(cons(proper(z0), proper(z1))), PROPER(cons(z0, z1)))
PROPER(terms(recip(z0))) → c37(TERMS(recip(proper(z0))), PROPER(recip(z0)))
PROPER(terms(sqr(z0))) → c37(TERMS(sqr(proper(z0))), PROPER(sqr(z0)))
PROPER(terms(s(z0))) → c37(TERMS(s(proper(z0))), PROPER(s(z0)))
PROPER(terms(add(z0, z1))) → c37(TERMS(add(proper(z0), proper(z1))), PROPER(add(z0, z1)))
PROPER(terms(dbl(z0))) → c37(TERMS(dbl(proper(z0))), PROPER(dbl(z0)))
PROPER(terms(first(z0, z1))) → c37(TERMS(first(proper(z0), proper(z1))), PROPER(first(z0, z1)))
PROPER(terms(0)) → c37(TERMS(ok(0)))
PROPER(terms(nil)) → c37(TERMS(ok(nil)))
PROPER(cons(x0, terms(z0))) → c38(CONS(proper(x0), terms(proper(z0))), PROPER(x0), PROPER(terms(z0)))
PROPER(cons(x0, cons(z0, z1))) → c38(CONS(proper(x0), cons(proper(z0), proper(z1))), PROPER(x0), PROPER(cons(z0, z1)))
PROPER(cons(x0, recip(z0))) → c38(CONS(proper(x0), recip(proper(z0))), PROPER(x0), PROPER(recip(z0)))
PROPER(cons(x0, sqr(z0))) → c38(CONS(proper(x0), sqr(proper(z0))), PROPER(x0), PROPER(sqr(z0)))
PROPER(cons(x0, s(z0))) → c38(CONS(proper(x0), s(proper(z0))), PROPER(x0), PROPER(s(z0)))
PROPER(cons(x0, add(z0, z1))) → c38(CONS(proper(x0), add(proper(z0), proper(z1))), PROPER(x0), PROPER(add(z0, z1)))
PROPER(cons(x0, dbl(z0))) → c38(CONS(proper(x0), dbl(proper(z0))), PROPER(x0), PROPER(dbl(z0)))
PROPER(cons(x0, first(z0, z1))) → c38(CONS(proper(x0), first(proper(z0), proper(z1))), PROPER(x0), PROPER(first(z0, z1)))
PROPER(cons(terms(z0), x1)) → c38(CONS(terms(proper(z0)), proper(x1)), PROPER(terms(z0)), PROPER(x1))
PROPER(cons(cons(z0, z1), x1)) → c38(CONS(cons(proper(z0), proper(z1)), proper(x1)), PROPER(cons(z0, z1)), PROPER(x1))
PROPER(cons(recip(z0), x1)) → c38(CONS(recip(proper(z0)), proper(x1)), PROPER(recip(z0)), PROPER(x1))
PROPER(cons(sqr(z0), x1)) → c38(CONS(sqr(proper(z0)), proper(x1)), PROPER(sqr(z0)), PROPER(x1))
PROPER(cons(s(z0), x1)) → c38(CONS(s(proper(z0)), proper(x1)), PROPER(s(z0)), PROPER(x1))
PROPER(cons(add(z0, z1), x1)) → c38(CONS(add(proper(z0), proper(z1)), proper(x1)), PROPER(add(z0, z1)), PROPER(x1))
PROPER(cons(dbl(z0), x1)) → c38(CONS(dbl(proper(z0)), proper(x1)), PROPER(dbl(z0)), PROPER(x1))
PROPER(cons(first(z0, z1), x1)) → c38(CONS(first(proper(z0), proper(z1)), proper(x1)), PROPER(first(z0, z1)), PROPER(x1))
PROPER(cons(x0, 0)) → c38(CONS(proper(x0), ok(0)), PROPER(x0))
PROPER(cons(x0, nil)) → c38(CONS(proper(x0), ok(nil)), PROPER(x0))
PROPER(cons(0, x1)) → c38(CONS(ok(0), proper(x1)), PROPER(x1))
PROPER(cons(nil, x1)) → c38(CONS(ok(nil), proper(x1)), PROPER(x1))
PROPER(recip(terms(z0))) → c39(RECIP(terms(proper(z0))), PROPER(terms(z0)))
PROPER(recip(cons(z0, z1))) → c39(RECIP(cons(proper(z0), proper(z1))), PROPER(cons(z0, z1)))
PROPER(recip(recip(z0))) → c39(RECIP(recip(proper(z0))), PROPER(recip(z0)))
PROPER(recip(sqr(z0))) → c39(RECIP(sqr(proper(z0))), PROPER(sqr(z0)))
PROPER(recip(s(z0))) → c39(RECIP(s(proper(z0))), PROPER(s(z0)))
PROPER(recip(add(z0, z1))) → c39(RECIP(add(proper(z0), proper(z1))), PROPER(add(z0, z1)))
PROPER(recip(dbl(z0))) → c39(RECIP(dbl(proper(z0))), PROPER(dbl(z0)))
PROPER(recip(first(z0, z1))) → c39(RECIP(first(proper(z0), proper(z1))), PROPER(first(z0, z1)))
PROPER(recip(0)) → c39(RECIP(ok(0)))
PROPER(recip(nil)) → c39(RECIP(ok(nil)))
PROPER(sqr(terms(z0))) → c40(SQR(terms(proper(z0))), PROPER(terms(z0)))
PROPER(sqr(cons(z0, z1))) → c40(SQR(cons(proper(z0), proper(z1))), PROPER(cons(z0, z1)))
PROPER(sqr(recip(z0))) → c40(SQR(recip(proper(z0))), PROPER(recip(z0)))
PROPER(sqr(sqr(z0))) → c40(SQR(sqr(proper(z0))), PROPER(sqr(z0)))
PROPER(sqr(s(z0))) → c40(SQR(s(proper(z0))), PROPER(s(z0)))
PROPER(sqr(add(z0, z1))) → c40(SQR(add(proper(z0), proper(z1))), PROPER(add(z0, z1)))
PROPER(sqr(dbl(z0))) → c40(SQR(dbl(proper(z0))), PROPER(dbl(z0)))
PROPER(sqr(first(z0, z1))) → c40(SQR(first(proper(z0), proper(z1))), PROPER(first(z0, z1)))
PROPER(sqr(0)) → c40(SQR(ok(0)))
PROPER(sqr(nil)) → c40(SQR(ok(nil)))
PROPER(s(terms(z0))) → c41(S(terms(proper(z0))), PROPER(terms(z0)))
PROPER(s(cons(z0, z1))) → c41(S(cons(proper(z0), proper(z1))), PROPER(cons(z0, z1)))
PROPER(s(recip(z0))) → c41(S(recip(proper(z0))), PROPER(recip(z0)))
PROPER(s(sqr(z0))) → c41(S(sqr(proper(z0))), PROPER(sqr(z0)))
PROPER(s(s(z0))) → c41(S(s(proper(z0))), PROPER(s(z0)))
PROPER(s(add(z0, z1))) → c41(S(add(proper(z0), proper(z1))), PROPER(add(z0, z1)))
PROPER(s(dbl(z0))) → c41(S(dbl(proper(z0))), PROPER(dbl(z0)))
PROPER(s(first(z0, z1))) → c41(S(first(proper(z0), proper(z1))), PROPER(first(z0, z1)))
PROPER(s(0)) → c41(S(ok(0)))
PROPER(s(nil)) → c41(S(ok(nil)))
PROPER(add(x0, terms(z0))) → c43(ADD(proper(x0), terms(proper(z0))), PROPER(x0), PROPER(terms(z0)))
PROPER(add(x0, cons(z0, z1))) → c43(ADD(proper(x0), cons(proper(z0), proper(z1))), PROPER(x0), PROPER(cons(z0, z1)))
PROPER(add(x0, recip(z0))) → c43(ADD(proper(x0), recip(proper(z0))), PROPER(x0), PROPER(recip(z0)))
PROPER(add(x0, sqr(z0))) → c43(ADD(proper(x0), sqr(proper(z0))), PROPER(x0), PROPER(sqr(z0)))
PROPER(add(x0, s(z0))) → c43(ADD(proper(x0), s(proper(z0))), PROPER(x0), PROPER(s(z0)))
PROPER(add(x0, add(z0, z1))) → c43(ADD(proper(x0), add(proper(z0), proper(z1))), PROPER(x0), PROPER(add(z0, z1)))
PROPER(add(x0, dbl(z0))) → c43(ADD(proper(x0), dbl(proper(z0))), PROPER(x0), PROPER(dbl(z0)))
PROPER(add(x0, first(z0, z1))) → c43(ADD(proper(x0), first(proper(z0), proper(z1))), PROPER(x0), PROPER(first(z0, z1)))
PROPER(add(terms(z0), x1)) → c43(ADD(terms(proper(z0)), proper(x1)), PROPER(terms(z0)), PROPER(x1))
PROPER(add(cons(z0, z1), x1)) → c43(ADD(cons(proper(z0), proper(z1)), proper(x1)), PROPER(cons(z0, z1)), PROPER(x1))
PROPER(add(recip(z0), x1)) → c43(ADD(recip(proper(z0)), proper(x1)), PROPER(recip(z0)), PROPER(x1))
PROPER(add(sqr(z0), x1)) → c43(ADD(sqr(proper(z0)), proper(x1)), PROPER(sqr(z0)), PROPER(x1))
PROPER(add(s(z0), x1)) → c43(ADD(s(proper(z0)), proper(x1)), PROPER(s(z0)), PROPER(x1))
PROPER(add(add(z0, z1), x1)) → c43(ADD(add(proper(z0), proper(z1)), proper(x1)), PROPER(add(z0, z1)), PROPER(x1))
PROPER(add(dbl(z0), x1)) → c43(ADD(dbl(proper(z0)), proper(x1)), PROPER(dbl(z0)), PROPER(x1))
PROPER(add(first(z0, z1), x1)) → c43(ADD(first(proper(z0), proper(z1)), proper(x1)), PROPER(first(z0, z1)), PROPER(x1))
PROPER(add(x0, 0)) → c43(ADD(proper(x0), ok(0)), PROPER(x0))
PROPER(add(x0, nil)) → c43(ADD(proper(x0), ok(nil)), PROPER(x0))
PROPER(add(0, x1)) → c43(ADD(ok(0), proper(x1)), PROPER(x1))
PROPER(add(nil, x1)) → c43(ADD(ok(nil), proper(x1)), PROPER(x1))
PROPER(dbl(terms(z0))) → c44(DBL(terms(proper(z0))), PROPER(terms(z0)))
PROPER(dbl(cons(z0, z1))) → c44(DBL(cons(proper(z0), proper(z1))), PROPER(cons(z0, z1)))
PROPER(dbl(recip(z0))) → c44(DBL(recip(proper(z0))), PROPER(recip(z0)))
PROPER(dbl(sqr(z0))) → c44(DBL(sqr(proper(z0))), PROPER(sqr(z0)))
PROPER(dbl(s(z0))) → c44(DBL(s(proper(z0))), PROPER(s(z0)))
PROPER(dbl(add(z0, z1))) → c44(DBL(add(proper(z0), proper(z1))), PROPER(add(z0, z1)))
PROPER(dbl(dbl(z0))) → c44(DBL(dbl(proper(z0))), PROPER(dbl(z0)))
PROPER(dbl(first(z0, z1))) → c44(DBL(first(proper(z0), proper(z1))), PROPER(first(z0, z1)))
PROPER(dbl(0)) → c44(DBL(ok(0)))
PROPER(dbl(nil)) → c44(DBL(ok(nil)))
PROPER(first(x0, terms(z0))) → c45(FIRST(proper(x0), terms(proper(z0))), PROPER(x0), PROPER(terms(z0)))
PROPER(first(x0, cons(z0, z1))) → c45(FIRST(proper(x0), cons(proper(z0), proper(z1))), PROPER(x0), PROPER(cons(z0, z1)))
PROPER(first(x0, recip(z0))) → c45(FIRST(proper(x0), recip(proper(z0))), PROPER(x0), PROPER(recip(z0)))
PROPER(first(x0, sqr(z0))) → c45(FIRST(proper(x0), sqr(proper(z0))), PROPER(x0), PROPER(sqr(z0)))
PROPER(first(x0, s(z0))) → c45(FIRST(proper(x0), s(proper(z0))), PROPER(x0), PROPER(s(z0)))
PROPER(first(x0, add(z0, z1))) → c45(FIRST(proper(x0), add(proper(z0), proper(z1))), PROPER(x0), PROPER(add(z0, z1)))
PROPER(first(x0, dbl(z0))) → c45(FIRST(proper(x0), dbl(proper(z0))), PROPER(x0), PROPER(dbl(z0)))
PROPER(first(x0, first(z0, z1))) → c45(FIRST(proper(x0), first(proper(z0), proper(z1))), PROPER(x0), PROPER(first(z0, z1)))
PROPER(first(terms(z0), x1)) → c45(FIRST(terms(proper(z0)), proper(x1)), PROPER(terms(z0)), PROPER(x1))
PROPER(first(cons(z0, z1), x1)) → c45(FIRST(cons(proper(z0), proper(z1)), proper(x1)), PROPER(cons(z0, z1)), PROPER(x1))
PROPER(first(recip(z0), x1)) → c45(FIRST(recip(proper(z0)), proper(x1)), PROPER(recip(z0)), PROPER(x1))
PROPER(first(sqr(z0), x1)) → c45(FIRST(sqr(proper(z0)), proper(x1)), PROPER(sqr(z0)), PROPER(x1))
PROPER(first(s(z0), x1)) → c45(FIRST(s(proper(z0)), proper(x1)), PROPER(s(z0)), PROPER(x1))
PROPER(first(add(z0, z1), x1)) → c45(FIRST(add(proper(z0), proper(z1)), proper(x1)), PROPER(add(z0, z1)), PROPER(x1))
PROPER(first(dbl(z0), x1)) → c45(FIRST(dbl(proper(z0)), proper(x1)), PROPER(dbl(z0)), PROPER(x1))
PROPER(first(first(z0, z1), x1)) → c45(FIRST(first(proper(z0), proper(z1)), proper(x1)), PROPER(first(z0, z1)), PROPER(x1))
PROPER(first(x0, 0)) → c45(FIRST(proper(x0), ok(0)), PROPER(x0))
PROPER(first(x0, nil)) → c45(FIRST(proper(x0), ok(nil)), PROPER(x0))
PROPER(first(0, x1)) → c45(FIRST(ok(0), proper(x1)), PROPER(x1))
PROPER(first(nil, x1)) → c45(FIRST(ok(nil), proper(x1)), PROPER(x1))
TOP(mark(terms(z0))) → c47(TOP(terms(proper(z0))), PROPER(terms(z0)))
TOP(mark(cons(z0, z1))) → c47(TOP(cons(proper(z0), proper(z1))), PROPER(cons(z0, z1)))
TOP(mark(recip(z0))) → c47(TOP(recip(proper(z0))), PROPER(recip(z0)))
TOP(mark(sqr(z0))) → c47(TOP(sqr(proper(z0))), PROPER(sqr(z0)))
TOP(mark(s(z0))) → c47(TOP(s(proper(z0))), PROPER(s(z0)))
TOP(mark(add(z0, z1))) → c47(TOP(add(proper(z0), proper(z1))), PROPER(add(z0, z1)))
TOP(mark(dbl(z0))) → c47(TOP(dbl(proper(z0))), PROPER(dbl(z0)))
TOP(mark(first(z0, z1))) → c47(TOP(first(proper(z0), proper(z1))), PROPER(first(z0, z1)))
TOP(mark(0)) → c47(TOP(ok(0)))
TOP(mark(nil)) → c47(TOP(ok(nil)))
S tuples:

ACTIVE(add(z0, z1)) → c14(ADD(active(z0), z1), ACTIVE(z0))
ACTIVE(add(z0, z1)) → c15(ADD(z0, active(z1)), ACTIVE(z1))
ACTIVE(first(z0, z1)) → c17(FIRST(active(z0), z1), ACTIVE(z0))
ACTIVE(first(z0, z1)) → c18(FIRST(z0, active(z1)), ACTIVE(z1))
TERMS(mark(z0)) → c19(TERMS(z0))
TERMS(ok(z0)) → c20(TERMS(z0))
CONS(mark(z0), z1) → c21(CONS(z0, z1))
CONS(ok(z0), ok(z1)) → c22(CONS(z0, z1))
RECIP(mark(z0)) → c23(RECIP(z0))
RECIP(ok(z0)) → c24(RECIP(z0))
SQR(mark(z0)) → c25(SQR(z0))
SQR(ok(z0)) → c26(SQR(z0))
S(mark(z0)) → c27(S(z0))
S(ok(z0)) → c28(S(z0))
ADD(mark(z0), z1) → c29(ADD(z0, z1))
ADD(z0, mark(z1)) → c30(ADD(z0, z1))
ADD(ok(z0), ok(z1)) → c31(ADD(z0, z1))
DBL(mark(z0)) → c32(DBL(z0))
DBL(ok(z0)) → c33(DBL(z0))
FIRST(mark(z0), z1) → c34(FIRST(z0, z1))
FIRST(z0, mark(z1)) → c35(FIRST(z0, z1))
FIRST(ok(z0), ok(z1)) → c36(FIRST(z0, z1))
TOP(ok(z0)) → c48(TOP(active(z0)), ACTIVE(z0))
ACTIVE(dbl(s(z0))) → c4(DBL(z0))
ACTIVE(add(s(z0), z1)) → c6(ADD(z0, z1))
ACTIVE(first(s(z0), cons(z1, z2))) → c1(CONS(z1, first(z0, z2)))
ACTIVE(first(s(z0), cons(z1, z2))) → c1(FIRST(z0, z2))
ACTIVE(terms(z0)) → c1(SQR(z0))
ACTIVE(terms(z0)) → c1(S(z0))
ACTIVE(sqr(s(z0))) → c1(SQR(z0))
ACTIVE(sqr(s(z0))) → c1(DBL(z0))
ACTIVE(terms(terms(z0))) → c9(TERMS(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(terms(sqr(s(z0)))) → c9(TERMS(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(terms(dbl(s(z0)))) → c9(TERMS(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(terms(add(0, z0))) → c9(TERMS(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(terms(add(s(z0), z1))) → c9(TERMS(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(terms(first(0, z0))) → c9(TERMS(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(terms(first(s(z0), cons(z1, z2)))) → c9(TERMS(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(terms(terms(z0))) → c9(TERMS(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(terms(cons(z0, z1))) → c9(TERMS(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(terms(recip(z0))) → c9(TERMS(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(terms(sqr(z0))) → c9(TERMS(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(terms(s(z0))) → c9(TERMS(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(terms(add(z0, z1))) → c9(TERMS(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(terms(add(z0, z1))) → c9(TERMS(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(terms(dbl(z0))) → c9(TERMS(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(terms(first(z0, z1))) → c9(TERMS(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(terms(first(z0, z1))) → c9(TERMS(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(cons(terms(z0), x1)) → c10(CONS(mark(cons(recip(sqr(z0)), terms(s(z0)))), x1), ACTIVE(terms(z0)))
ACTIVE(cons(sqr(s(z0)), x1)) → c10(CONS(mark(s(add(sqr(z0), dbl(z0)))), x1), ACTIVE(sqr(s(z0))))
ACTIVE(cons(dbl(s(z0)), x1)) → c10(CONS(mark(s(s(dbl(z0)))), x1), ACTIVE(dbl(s(z0))))
ACTIVE(cons(add(0, z0), x1)) → c10(CONS(mark(z0), x1), ACTIVE(add(0, z0)))
ACTIVE(cons(add(s(z0), z1), x1)) → c10(CONS(mark(s(add(z0, z1))), x1), ACTIVE(add(s(z0), z1)))
ACTIVE(cons(first(0, z0), x1)) → c10(CONS(mark(nil), x1), ACTIVE(first(0, z0)))
ACTIVE(cons(first(s(z0), cons(z1, z2)), x1)) → c10(CONS(mark(cons(z1, first(z0, z2))), x1), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(cons(terms(z0), x1)) → c10(CONS(terms(active(z0)), x1), ACTIVE(terms(z0)))
ACTIVE(cons(cons(z0, z1), x1)) → c10(CONS(cons(active(z0), z1), x1), ACTIVE(cons(z0, z1)))
ACTIVE(cons(recip(z0), x1)) → c10(CONS(recip(active(z0)), x1), ACTIVE(recip(z0)))
ACTIVE(cons(sqr(z0), x1)) → c10(CONS(sqr(active(z0)), x1), ACTIVE(sqr(z0)))
ACTIVE(cons(s(z0), x1)) → c10(CONS(s(active(z0)), x1), ACTIVE(s(z0)))
ACTIVE(cons(add(z0, z1), x1)) → c10(CONS(add(active(z0), z1), x1), ACTIVE(add(z0, z1)))
ACTIVE(cons(add(z0, z1), x1)) → c10(CONS(add(z0, active(z1)), x1), ACTIVE(add(z0, z1)))
ACTIVE(cons(dbl(z0), x1)) → c10(CONS(dbl(active(z0)), x1), ACTIVE(dbl(z0)))
ACTIVE(cons(first(z0, z1), x1)) → c10(CONS(first(active(z0), z1), x1), ACTIVE(first(z0, z1)))
ACTIVE(cons(first(z0, z1), x1)) → c10(CONS(first(z0, active(z1)), x1), ACTIVE(first(z0, z1)))
ACTIVE(recip(terms(z0))) → c11(RECIP(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(recip(sqr(s(z0)))) → c11(RECIP(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(recip(dbl(s(z0)))) → c11(RECIP(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(recip(add(0, z0))) → c11(RECIP(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(recip(add(s(z0), z1))) → c11(RECIP(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(recip(first(0, z0))) → c11(RECIP(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(recip(first(s(z0), cons(z1, z2)))) → c11(RECIP(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(recip(terms(z0))) → c11(RECIP(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(recip(cons(z0, z1))) → c11(RECIP(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(recip(recip(z0))) → c11(RECIP(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(recip(sqr(z0))) → c11(RECIP(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(recip(s(z0))) → c11(RECIP(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(recip(add(z0, z1))) → c11(RECIP(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(recip(add(z0, z1))) → c11(RECIP(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(recip(dbl(z0))) → c11(RECIP(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(recip(first(z0, z1))) → c11(RECIP(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(recip(first(z0, z1))) → c11(RECIP(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(sqr(terms(z0))) → c12(SQR(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(sqr(sqr(s(z0)))) → c12(SQR(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(sqr(dbl(s(z0)))) → c12(SQR(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(sqr(add(0, z0))) → c12(SQR(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(sqr(add(s(z0), z1))) → c12(SQR(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(sqr(first(0, z0))) → c12(SQR(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(sqr(first(s(z0), cons(z1, z2)))) → c12(SQR(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(sqr(terms(z0))) → c12(SQR(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(sqr(cons(z0, z1))) → c12(SQR(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(sqr(recip(z0))) → c12(SQR(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(sqr(sqr(z0))) → c12(SQR(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(sqr(s(z0))) → c12(SQR(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(sqr(add(z0, z1))) → c12(SQR(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(sqr(add(z0, z1))) → c12(SQR(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(sqr(dbl(z0))) → c12(SQR(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(sqr(first(z0, z1))) → c12(SQR(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(sqr(first(z0, z1))) → c12(SQR(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(terms(sqr(0))) → c9(TERMS(mark(0)))
ACTIVE(cons(sqr(0), x1)) → c10(CONS(mark(0), x1))
ACTIVE(recip(sqr(0))) → c11(RECIP(mark(0)))
ACTIVE(sqr(sqr(0))) → c12(SQR(mark(0)))
ACTIVE(s(terms(z0))) → c13(S(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(s(sqr(s(z0)))) → c13(S(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(s(dbl(s(z0)))) → c13(S(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(s(add(0, z0))) → c13(S(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(s(add(s(z0), z1))) → c13(S(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(s(first(0, z0))) → c13(S(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(s(first(s(z0), cons(z1, z2)))) → c13(S(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(s(terms(z0))) → c13(S(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(s(cons(z0, z1))) → c13(S(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(s(recip(z0))) → c13(S(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(s(sqr(z0))) → c13(S(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(s(s(z0))) → c13(S(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(s(add(z0, z1))) → c13(S(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(s(add(z0, z1))) → c13(S(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(s(dbl(z0))) → c13(S(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(s(first(z0, z1))) → c13(S(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(s(first(z0, z1))) → c13(S(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(s(sqr(0))) → c13(S(mark(0)))
ACTIVE(dbl(terms(z0))) → c16(DBL(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(dbl(sqr(s(z0)))) → c16(DBL(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(dbl(dbl(s(z0)))) → c16(DBL(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(dbl(add(0, z0))) → c16(DBL(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(dbl(add(s(z0), z1))) → c16(DBL(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(dbl(first(0, z0))) → c16(DBL(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(dbl(first(s(z0), cons(z1, z2)))) → c16(DBL(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(dbl(terms(z0))) → c16(DBL(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(dbl(cons(z0, z1))) → c16(DBL(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(dbl(recip(z0))) → c16(DBL(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(dbl(sqr(z0))) → c16(DBL(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(dbl(s(z0))) → c16(DBL(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(dbl(add(z0, z1))) → c16(DBL(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(dbl(add(z0, z1))) → c16(DBL(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(dbl(dbl(z0))) → c16(DBL(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(dbl(first(z0, z1))) → c16(DBL(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(dbl(first(z0, z1))) → c16(DBL(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(terms(dbl(0))) → c9(TERMS(mark(0)))
ACTIVE(cons(dbl(0), x1)) → c10(CONS(mark(0), x1))
ACTIVE(recip(dbl(0))) → c11(RECIP(mark(0)))
ACTIVE(sqr(dbl(0))) → c12(SQR(mark(0)))
ACTIVE(s(dbl(0))) → c13(S(mark(0)))
ACTIVE(dbl(sqr(0))) → c16(DBL(mark(0)))
ACTIVE(dbl(dbl(0))) → c16(DBL(mark(0)))
PROPER(terms(terms(z0))) → c37(TERMS(terms(proper(z0))), PROPER(terms(z0)))
PROPER(terms(cons(z0, z1))) → c37(TERMS(cons(proper(z0), proper(z1))), PROPER(cons(z0, z1)))
PROPER(terms(recip(z0))) → c37(TERMS(recip(proper(z0))), PROPER(recip(z0)))
PROPER(terms(sqr(z0))) → c37(TERMS(sqr(proper(z0))), PROPER(sqr(z0)))
PROPER(terms(s(z0))) → c37(TERMS(s(proper(z0))), PROPER(s(z0)))
PROPER(terms(add(z0, z1))) → c37(TERMS(add(proper(z0), proper(z1))), PROPER(add(z0, z1)))
PROPER(terms(dbl(z0))) → c37(TERMS(dbl(proper(z0))), PROPER(dbl(z0)))
PROPER(terms(first(z0, z1))) → c37(TERMS(first(proper(z0), proper(z1))), PROPER(first(z0, z1)))
PROPER(terms(0)) → c37(TERMS(ok(0)))
PROPER(terms(nil)) → c37(TERMS(ok(nil)))
PROPER(cons(x0, terms(z0))) → c38(CONS(proper(x0), terms(proper(z0))), PROPER(x0), PROPER(terms(z0)))
PROPER(cons(x0, cons(z0, z1))) → c38(CONS(proper(x0), cons(proper(z0), proper(z1))), PROPER(x0), PROPER(cons(z0, z1)))
PROPER(cons(x0, recip(z0))) → c38(CONS(proper(x0), recip(proper(z0))), PROPER(x0), PROPER(recip(z0)))
PROPER(cons(x0, sqr(z0))) → c38(CONS(proper(x0), sqr(proper(z0))), PROPER(x0), PROPER(sqr(z0)))
PROPER(cons(x0, s(z0))) → c38(CONS(proper(x0), s(proper(z0))), PROPER(x0), PROPER(s(z0)))
PROPER(cons(x0, add(z0, z1))) → c38(CONS(proper(x0), add(proper(z0), proper(z1))), PROPER(x0), PROPER(add(z0, z1)))
PROPER(cons(x0, dbl(z0))) → c38(CONS(proper(x0), dbl(proper(z0))), PROPER(x0), PROPER(dbl(z0)))
PROPER(cons(x0, first(z0, z1))) → c38(CONS(proper(x0), first(proper(z0), proper(z1))), PROPER(x0), PROPER(first(z0, z1)))
PROPER(cons(terms(z0), x1)) → c38(CONS(terms(proper(z0)), proper(x1)), PROPER(terms(z0)), PROPER(x1))
PROPER(cons(cons(z0, z1), x1)) → c38(CONS(cons(proper(z0), proper(z1)), proper(x1)), PROPER(cons(z0, z1)), PROPER(x1))
PROPER(cons(recip(z0), x1)) → c38(CONS(recip(proper(z0)), proper(x1)), PROPER(recip(z0)), PROPER(x1))
PROPER(cons(sqr(z0), x1)) → c38(CONS(sqr(proper(z0)), proper(x1)), PROPER(sqr(z0)), PROPER(x1))
PROPER(cons(s(z0), x1)) → c38(CONS(s(proper(z0)), proper(x1)), PROPER(s(z0)), PROPER(x1))
PROPER(cons(add(z0, z1), x1)) → c38(CONS(add(proper(z0), proper(z1)), proper(x1)), PROPER(add(z0, z1)), PROPER(x1))
PROPER(cons(dbl(z0), x1)) → c38(CONS(dbl(proper(z0)), proper(x1)), PROPER(dbl(z0)), PROPER(x1))
PROPER(cons(first(z0, z1), x1)) → c38(CONS(first(proper(z0), proper(z1)), proper(x1)), PROPER(first(z0, z1)), PROPER(x1))
PROPER(cons(x0, 0)) → c38(CONS(proper(x0), ok(0)), PROPER(x0))
PROPER(cons(x0, nil)) → c38(CONS(proper(x0), ok(nil)), PROPER(x0))
PROPER(cons(0, x1)) → c38(CONS(ok(0), proper(x1)), PROPER(x1))
PROPER(cons(nil, x1)) → c38(CONS(ok(nil), proper(x1)), PROPER(x1))
PROPER(recip(terms(z0))) → c39(RECIP(terms(proper(z0))), PROPER(terms(z0)))
PROPER(recip(cons(z0, z1))) → c39(RECIP(cons(proper(z0), proper(z1))), PROPER(cons(z0, z1)))
PROPER(recip(recip(z0))) → c39(RECIP(recip(proper(z0))), PROPER(recip(z0)))
PROPER(recip(sqr(z0))) → c39(RECIP(sqr(proper(z0))), PROPER(sqr(z0)))
PROPER(recip(s(z0))) → c39(RECIP(s(proper(z0))), PROPER(s(z0)))
PROPER(recip(add(z0, z1))) → c39(RECIP(add(proper(z0), proper(z1))), PROPER(add(z0, z1)))
PROPER(recip(dbl(z0))) → c39(RECIP(dbl(proper(z0))), PROPER(dbl(z0)))
PROPER(recip(first(z0, z1))) → c39(RECIP(first(proper(z0), proper(z1))), PROPER(first(z0, z1)))
PROPER(recip(0)) → c39(RECIP(ok(0)))
PROPER(recip(nil)) → c39(RECIP(ok(nil)))
PROPER(sqr(terms(z0))) → c40(SQR(terms(proper(z0))), PROPER(terms(z0)))
PROPER(sqr(cons(z0, z1))) → c40(SQR(cons(proper(z0), proper(z1))), PROPER(cons(z0, z1)))
PROPER(sqr(recip(z0))) → c40(SQR(recip(proper(z0))), PROPER(recip(z0)))
PROPER(sqr(sqr(z0))) → c40(SQR(sqr(proper(z0))), PROPER(sqr(z0)))
PROPER(sqr(s(z0))) → c40(SQR(s(proper(z0))), PROPER(s(z0)))
PROPER(sqr(add(z0, z1))) → c40(SQR(add(proper(z0), proper(z1))), PROPER(add(z0, z1)))
PROPER(sqr(dbl(z0))) → c40(SQR(dbl(proper(z0))), PROPER(dbl(z0)))
PROPER(sqr(first(z0, z1))) → c40(SQR(first(proper(z0), proper(z1))), PROPER(first(z0, z1)))
PROPER(sqr(0)) → c40(SQR(ok(0)))
PROPER(sqr(nil)) → c40(SQR(ok(nil)))
PROPER(s(terms(z0))) → c41(S(terms(proper(z0))), PROPER(terms(z0)))
PROPER(s(cons(z0, z1))) → c41(S(cons(proper(z0), proper(z1))), PROPER(cons(z0, z1)))
PROPER(s(recip(z0))) → c41(S(recip(proper(z0))), PROPER(recip(z0)))
PROPER(s(sqr(z0))) → c41(S(sqr(proper(z0))), PROPER(sqr(z0)))
PROPER(s(s(z0))) → c41(S(s(proper(z0))), PROPER(s(z0)))
PROPER(s(add(z0, z1))) → c41(S(add(proper(z0), proper(z1))), PROPER(add(z0, z1)))
PROPER(s(dbl(z0))) → c41(S(dbl(proper(z0))), PROPER(dbl(z0)))
PROPER(s(first(z0, z1))) → c41(S(first(proper(z0), proper(z1))), PROPER(first(z0, z1)))
PROPER(s(0)) → c41(S(ok(0)))
PROPER(s(nil)) → c41(S(ok(nil)))
PROPER(add(x0, terms(z0))) → c43(ADD(proper(x0), terms(proper(z0))), PROPER(x0), PROPER(terms(z0)))
PROPER(add(x0, cons(z0, z1))) → c43(ADD(proper(x0), cons(proper(z0), proper(z1))), PROPER(x0), PROPER(cons(z0, z1)))
PROPER(add(x0, recip(z0))) → c43(ADD(proper(x0), recip(proper(z0))), PROPER(x0), PROPER(recip(z0)))
PROPER(add(x0, sqr(z0))) → c43(ADD(proper(x0), sqr(proper(z0))), PROPER(x0), PROPER(sqr(z0)))
PROPER(add(x0, s(z0))) → c43(ADD(proper(x0), s(proper(z0))), PROPER(x0), PROPER(s(z0)))
PROPER(add(x0, add(z0, z1))) → c43(ADD(proper(x0), add(proper(z0), proper(z1))), PROPER(x0), PROPER(add(z0, z1)))
PROPER(add(x0, dbl(z0))) → c43(ADD(proper(x0), dbl(proper(z0))), PROPER(x0), PROPER(dbl(z0)))
PROPER(add(x0, first(z0, z1))) → c43(ADD(proper(x0), first(proper(z0), proper(z1))), PROPER(x0), PROPER(first(z0, z1)))
PROPER(add(terms(z0), x1)) → c43(ADD(terms(proper(z0)), proper(x1)), PROPER(terms(z0)), PROPER(x1))
PROPER(add(cons(z0, z1), x1)) → c43(ADD(cons(proper(z0), proper(z1)), proper(x1)), PROPER(cons(z0, z1)), PROPER(x1))
PROPER(add(recip(z0), x1)) → c43(ADD(recip(proper(z0)), proper(x1)), PROPER(recip(z0)), PROPER(x1))
PROPER(add(sqr(z0), x1)) → c43(ADD(sqr(proper(z0)), proper(x1)), PROPER(sqr(z0)), PROPER(x1))
PROPER(add(s(z0), x1)) → c43(ADD(s(proper(z0)), proper(x1)), PROPER(s(z0)), PROPER(x1))
PROPER(add(add(z0, z1), x1)) → c43(ADD(add(proper(z0), proper(z1)), proper(x1)), PROPER(add(z0, z1)), PROPER(x1))
PROPER(add(dbl(z0), x1)) → c43(ADD(dbl(proper(z0)), proper(x1)), PROPER(dbl(z0)), PROPER(x1))
PROPER(add(first(z0, z1), x1)) → c43(ADD(first(proper(z0), proper(z1)), proper(x1)), PROPER(first(z0, z1)), PROPER(x1))
PROPER(add(x0, 0)) → c43(ADD(proper(x0), ok(0)), PROPER(x0))
PROPER(add(x0, nil)) → c43(ADD(proper(x0), ok(nil)), PROPER(x0))
PROPER(add(0, x1)) → c43(ADD(ok(0), proper(x1)), PROPER(x1))
PROPER(add(nil, x1)) → c43(ADD(ok(nil), proper(x1)), PROPER(x1))
PROPER(dbl(terms(z0))) → c44(DBL(terms(proper(z0))), PROPER(terms(z0)))
PROPER(dbl(cons(z0, z1))) → c44(DBL(cons(proper(z0), proper(z1))), PROPER(cons(z0, z1)))
PROPER(dbl(recip(z0))) → c44(DBL(recip(proper(z0))), PROPER(recip(z0)))
PROPER(dbl(sqr(z0))) → c44(DBL(sqr(proper(z0))), PROPER(sqr(z0)))
PROPER(dbl(s(z0))) → c44(DBL(s(proper(z0))), PROPER(s(z0)))
PROPER(dbl(add(z0, z1))) → c44(DBL(add(proper(z0), proper(z1))), PROPER(add(z0, z1)))
PROPER(dbl(dbl(z0))) → c44(DBL(dbl(proper(z0))), PROPER(dbl(z0)))
PROPER(dbl(first(z0, z1))) → c44(DBL(first(proper(z0), proper(z1))), PROPER(first(z0, z1)))
PROPER(dbl(0)) → c44(DBL(ok(0)))
PROPER(dbl(nil)) → c44(DBL(ok(nil)))
PROPER(first(x0, terms(z0))) → c45(FIRST(proper(x0), terms(proper(z0))), PROPER(x0), PROPER(terms(z0)))
PROPER(first(x0, cons(z0, z1))) → c45(FIRST(proper(x0), cons(proper(z0), proper(z1))), PROPER(x0), PROPER(cons(z0, z1)))
PROPER(first(x0, recip(z0))) → c45(FIRST(proper(x0), recip(proper(z0))), PROPER(x0), PROPER(recip(z0)))
PROPER(first(x0, sqr(z0))) → c45(FIRST(proper(x0), sqr(proper(z0))), PROPER(x0), PROPER(sqr(z0)))
PROPER(first(x0, s(z0))) → c45(FIRST(proper(x0), s(proper(z0))), PROPER(x0), PROPER(s(z0)))
PROPER(first(x0, add(z0, z1))) → c45(FIRST(proper(x0), add(proper(z0), proper(z1))), PROPER(x0), PROPER(add(z0, z1)))
PROPER(first(x0, dbl(z0))) → c45(FIRST(proper(x0), dbl(proper(z0))), PROPER(x0), PROPER(dbl(z0)))
PROPER(first(x0, first(z0, z1))) → c45(FIRST(proper(x0), first(proper(z0), proper(z1))), PROPER(x0), PROPER(first(z0, z1)))
PROPER(first(terms(z0), x1)) → c45(FIRST(terms(proper(z0)), proper(x1)), PROPER(terms(z0)), PROPER(x1))
PROPER(first(cons(z0, z1), x1)) → c45(FIRST(cons(proper(z0), proper(z1)), proper(x1)), PROPER(cons(z0, z1)), PROPER(x1))
PROPER(first(recip(z0), x1)) → c45(FIRST(recip(proper(z0)), proper(x1)), PROPER(recip(z0)), PROPER(x1))
PROPER(first(sqr(z0), x1)) → c45(FIRST(sqr(proper(z0)), proper(x1)), PROPER(sqr(z0)), PROPER(x1))
PROPER(first(s(z0), x1)) → c45(FIRST(s(proper(z0)), proper(x1)), PROPER(s(z0)), PROPER(x1))
PROPER(first(add(z0, z1), x1)) → c45(FIRST(add(proper(z0), proper(z1)), proper(x1)), PROPER(add(z0, z1)), PROPER(x1))
PROPER(first(dbl(z0), x1)) → c45(FIRST(dbl(proper(z0)), proper(x1)), PROPER(dbl(z0)), PROPER(x1))
PROPER(first(first(z0, z1), x1)) → c45(FIRST(first(proper(z0), proper(z1)), proper(x1)), PROPER(first(z0, z1)), PROPER(x1))
PROPER(first(x0, 0)) → c45(FIRST(proper(x0), ok(0)), PROPER(x0))
PROPER(first(x0, nil)) → c45(FIRST(proper(x0), ok(nil)), PROPER(x0))
PROPER(first(0, x1)) → c45(FIRST(ok(0), proper(x1)), PROPER(x1))
PROPER(first(nil, x1)) → c45(FIRST(ok(nil), proper(x1)), PROPER(x1))
TOP(mark(terms(z0))) → c47(TOP(terms(proper(z0))), PROPER(terms(z0)))
TOP(mark(cons(z0, z1))) → c47(TOP(cons(proper(z0), proper(z1))), PROPER(cons(z0, z1)))
TOP(mark(recip(z0))) → c47(TOP(recip(proper(z0))), PROPER(recip(z0)))
TOP(mark(sqr(z0))) → c47(TOP(sqr(proper(z0))), PROPER(sqr(z0)))
TOP(mark(s(z0))) → c47(TOP(s(proper(z0))), PROPER(s(z0)))
TOP(mark(add(z0, z1))) → c47(TOP(add(proper(z0), proper(z1))), PROPER(add(z0, z1)))
TOP(mark(dbl(z0))) → c47(TOP(dbl(proper(z0))), PROPER(dbl(z0)))
TOP(mark(first(z0, z1))) → c47(TOP(first(proper(z0), proper(z1))), PROPER(first(z0, z1)))
TOP(mark(0)) → c47(TOP(ok(0)))
TOP(mark(nil)) → c47(TOP(ok(nil)))
K tuples:none
Defined Rule Symbols:

active, cons, first, terms, recip, sqr, s, add, dbl, proper

Defined Pair Symbols:

ACTIVE, TERMS, CONS, RECIP, SQR, S, ADD, DBL, FIRST, TOP, PROPER

Compound Symbols:

c14, c15, c17, c18, c19, c20, c21, c22, c23, c24, c25, c26, c27, c28, c29, c30, c31, c32, c33, c34, c35, c36, c48, c4, c6, c1, c9, c10, c11, c12, c9, c10, c11, c12, c13, c13, c16, c16, c37, c37, c38, c38, c39, c39, c40, c40, c41, c41, c43, c43, c44, c44, c45, c45, c47, c47

(65) CdtNarrowingProof (BOTH BOUNDS(ID, ID) transformation)

Use narrowing to replace TOP(ok(z0)) → c48(TOP(active(z0)), ACTIVE(z0)) by

TOP(ok(terms(z0))) → c48(TOP(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
TOP(ok(sqr(0))) → c48(TOP(mark(0)), ACTIVE(sqr(0)))
TOP(ok(sqr(s(z0)))) → c48(TOP(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
TOP(ok(dbl(0))) → c48(TOP(mark(0)), ACTIVE(dbl(0)))
TOP(ok(dbl(s(z0)))) → c48(TOP(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
TOP(ok(add(0, z0))) → c48(TOP(mark(z0)), ACTIVE(add(0, z0)))
TOP(ok(add(s(z0), z1))) → c48(TOP(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
TOP(ok(first(0, z0))) → c48(TOP(mark(nil)), ACTIVE(first(0, z0)))
TOP(ok(first(s(z0), cons(z1, z2)))) → c48(TOP(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
TOP(ok(terms(z0))) → c48(TOP(terms(active(z0))), ACTIVE(terms(z0)))
TOP(ok(cons(z0, z1))) → c48(TOP(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
TOP(ok(recip(z0))) → c48(TOP(recip(active(z0))), ACTIVE(recip(z0)))
TOP(ok(sqr(z0))) → c48(TOP(sqr(active(z0))), ACTIVE(sqr(z0)))
TOP(ok(s(z0))) → c48(TOP(s(active(z0))), ACTIVE(s(z0)))
TOP(ok(add(z0, z1))) → c48(TOP(add(active(z0), z1)), ACTIVE(add(z0, z1)))
TOP(ok(add(z0, z1))) → c48(TOP(add(z0, active(z1))), ACTIVE(add(z0, z1)))
TOP(ok(dbl(z0))) → c48(TOP(dbl(active(z0))), ACTIVE(dbl(z0)))
TOP(ok(first(z0, z1))) → c48(TOP(first(active(z0), z1)), ACTIVE(first(z0, z1)))
TOP(ok(first(z0, z1))) → c48(TOP(first(z0, active(z1))), ACTIVE(first(z0, z1)))

(66) Obligation:

Complexity Dependency Tuples Problem
Rules:

active(terms(z0)) → mark(cons(recip(sqr(z0)), terms(s(z0))))
active(sqr(0)) → mark(0)
active(sqr(s(z0))) → mark(s(add(sqr(z0), dbl(z0))))
active(dbl(0)) → mark(0)
active(dbl(s(z0))) → mark(s(s(dbl(z0))))
active(add(0, z0)) → mark(z0)
active(add(s(z0), z1)) → mark(s(add(z0, z1)))
active(first(0, z0)) → mark(nil)
active(first(s(z0), cons(z1, z2))) → mark(cons(z1, first(z0, z2)))
active(terms(z0)) → terms(active(z0))
active(cons(z0, z1)) → cons(active(z0), z1)
active(recip(z0)) → recip(active(z0))
active(sqr(z0)) → sqr(active(z0))
active(s(z0)) → s(active(z0))
active(add(z0, z1)) → add(active(z0), z1)
active(add(z0, z1)) → add(z0, active(z1))
active(dbl(z0)) → dbl(active(z0))
active(first(z0, z1)) → first(active(z0), z1)
active(first(z0, z1)) → first(z0, active(z1))
cons(ok(z0), ok(z1)) → ok(cons(z0, z1))
cons(mark(z0), z1) → mark(cons(z0, z1))
first(z0, mark(z1)) → mark(first(z0, z1))
first(mark(z0), z1) → mark(first(z0, z1))
first(ok(z0), ok(z1)) → ok(first(z0, z1))
terms(mark(z0)) → mark(terms(z0))
terms(ok(z0)) → ok(terms(z0))
recip(mark(z0)) → mark(recip(z0))
recip(ok(z0)) → ok(recip(z0))
sqr(mark(z0)) → mark(sqr(z0))
sqr(ok(z0)) → ok(sqr(z0))
s(mark(z0)) → mark(s(z0))
s(ok(z0)) → ok(s(z0))
add(mark(z0), z1) → mark(add(z0, z1))
add(ok(z0), ok(z1)) → ok(add(z0, z1))
add(z0, mark(z1)) → mark(add(z0, z1))
dbl(mark(z0)) → mark(dbl(z0))
dbl(ok(z0)) → ok(dbl(z0))
proper(terms(z0)) → terms(proper(z0))
proper(cons(z0, z1)) → cons(proper(z0), proper(z1))
proper(recip(z0)) → recip(proper(z0))
proper(sqr(z0)) → sqr(proper(z0))
proper(s(z0)) → s(proper(z0))
proper(0) → ok(0)
proper(add(z0, z1)) → add(proper(z0), proper(z1))
proper(dbl(z0)) → dbl(proper(z0))
proper(first(z0, z1)) → first(proper(z0), proper(z1))
proper(nil) → ok(nil)
Tuples:

ACTIVE(add(z0, z1)) → c14(ADD(active(z0), z1), ACTIVE(z0))
ACTIVE(add(z0, z1)) → c15(ADD(z0, active(z1)), ACTIVE(z1))
ACTIVE(first(z0, z1)) → c17(FIRST(active(z0), z1), ACTIVE(z0))
ACTIVE(first(z0, z1)) → c18(FIRST(z0, active(z1)), ACTIVE(z1))
TERMS(mark(z0)) → c19(TERMS(z0))
TERMS(ok(z0)) → c20(TERMS(z0))
CONS(mark(z0), z1) → c21(CONS(z0, z1))
CONS(ok(z0), ok(z1)) → c22(CONS(z0, z1))
RECIP(mark(z0)) → c23(RECIP(z0))
RECIP(ok(z0)) → c24(RECIP(z0))
SQR(mark(z0)) → c25(SQR(z0))
SQR(ok(z0)) → c26(SQR(z0))
S(mark(z0)) → c27(S(z0))
S(ok(z0)) → c28(S(z0))
ADD(mark(z0), z1) → c29(ADD(z0, z1))
ADD(z0, mark(z1)) → c30(ADD(z0, z1))
ADD(ok(z0), ok(z1)) → c31(ADD(z0, z1))
DBL(mark(z0)) → c32(DBL(z0))
DBL(ok(z0)) → c33(DBL(z0))
FIRST(mark(z0), z1) → c34(FIRST(z0, z1))
FIRST(z0, mark(z1)) → c35(FIRST(z0, z1))
FIRST(ok(z0), ok(z1)) → c36(FIRST(z0, z1))
ACTIVE(dbl(s(z0))) → c4(DBL(z0))
ACTIVE(add(s(z0), z1)) → c6(ADD(z0, z1))
ACTIVE(first(s(z0), cons(z1, z2))) → c1(CONS(z1, first(z0, z2)))
ACTIVE(first(s(z0), cons(z1, z2))) → c1(FIRST(z0, z2))
ACTIVE(terms(z0)) → c1(SQR(z0))
ACTIVE(terms(z0)) → c1(S(z0))
ACTIVE(sqr(s(z0))) → c1(SQR(z0))
ACTIVE(sqr(s(z0))) → c1(DBL(z0))
ACTIVE(terms(terms(z0))) → c9(TERMS(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(terms(sqr(s(z0)))) → c9(TERMS(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(terms(dbl(s(z0)))) → c9(TERMS(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(terms(add(0, z0))) → c9(TERMS(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(terms(add(s(z0), z1))) → c9(TERMS(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(terms(first(0, z0))) → c9(TERMS(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(terms(first(s(z0), cons(z1, z2)))) → c9(TERMS(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(terms(terms(z0))) → c9(TERMS(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(terms(cons(z0, z1))) → c9(TERMS(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(terms(recip(z0))) → c9(TERMS(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(terms(sqr(z0))) → c9(TERMS(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(terms(s(z0))) → c9(TERMS(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(terms(add(z0, z1))) → c9(TERMS(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(terms(add(z0, z1))) → c9(TERMS(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(terms(dbl(z0))) → c9(TERMS(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(terms(first(z0, z1))) → c9(TERMS(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(terms(first(z0, z1))) → c9(TERMS(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(cons(terms(z0), x1)) → c10(CONS(mark(cons(recip(sqr(z0)), terms(s(z0)))), x1), ACTIVE(terms(z0)))
ACTIVE(cons(sqr(s(z0)), x1)) → c10(CONS(mark(s(add(sqr(z0), dbl(z0)))), x1), ACTIVE(sqr(s(z0))))
ACTIVE(cons(dbl(s(z0)), x1)) → c10(CONS(mark(s(s(dbl(z0)))), x1), ACTIVE(dbl(s(z0))))
ACTIVE(cons(add(0, z0), x1)) → c10(CONS(mark(z0), x1), ACTIVE(add(0, z0)))
ACTIVE(cons(add(s(z0), z1), x1)) → c10(CONS(mark(s(add(z0, z1))), x1), ACTIVE(add(s(z0), z1)))
ACTIVE(cons(first(0, z0), x1)) → c10(CONS(mark(nil), x1), ACTIVE(first(0, z0)))
ACTIVE(cons(first(s(z0), cons(z1, z2)), x1)) → c10(CONS(mark(cons(z1, first(z0, z2))), x1), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(cons(terms(z0), x1)) → c10(CONS(terms(active(z0)), x1), ACTIVE(terms(z0)))
ACTIVE(cons(cons(z0, z1), x1)) → c10(CONS(cons(active(z0), z1), x1), ACTIVE(cons(z0, z1)))
ACTIVE(cons(recip(z0), x1)) → c10(CONS(recip(active(z0)), x1), ACTIVE(recip(z0)))
ACTIVE(cons(sqr(z0), x1)) → c10(CONS(sqr(active(z0)), x1), ACTIVE(sqr(z0)))
ACTIVE(cons(s(z0), x1)) → c10(CONS(s(active(z0)), x1), ACTIVE(s(z0)))
ACTIVE(cons(add(z0, z1), x1)) → c10(CONS(add(active(z0), z1), x1), ACTIVE(add(z0, z1)))
ACTIVE(cons(add(z0, z1), x1)) → c10(CONS(add(z0, active(z1)), x1), ACTIVE(add(z0, z1)))
ACTIVE(cons(dbl(z0), x1)) → c10(CONS(dbl(active(z0)), x1), ACTIVE(dbl(z0)))
ACTIVE(cons(first(z0, z1), x1)) → c10(CONS(first(active(z0), z1), x1), ACTIVE(first(z0, z1)))
ACTIVE(cons(first(z0, z1), x1)) → c10(CONS(first(z0, active(z1)), x1), ACTIVE(first(z0, z1)))
ACTIVE(recip(terms(z0))) → c11(RECIP(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(recip(sqr(s(z0)))) → c11(RECIP(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(recip(dbl(s(z0)))) → c11(RECIP(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(recip(add(0, z0))) → c11(RECIP(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(recip(add(s(z0), z1))) → c11(RECIP(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(recip(first(0, z0))) → c11(RECIP(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(recip(first(s(z0), cons(z1, z2)))) → c11(RECIP(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(recip(terms(z0))) → c11(RECIP(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(recip(cons(z0, z1))) → c11(RECIP(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(recip(recip(z0))) → c11(RECIP(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(recip(sqr(z0))) → c11(RECIP(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(recip(s(z0))) → c11(RECIP(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(recip(add(z0, z1))) → c11(RECIP(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(recip(add(z0, z1))) → c11(RECIP(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(recip(dbl(z0))) → c11(RECIP(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(recip(first(z0, z1))) → c11(RECIP(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(recip(first(z0, z1))) → c11(RECIP(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(sqr(terms(z0))) → c12(SQR(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(sqr(sqr(s(z0)))) → c12(SQR(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(sqr(dbl(s(z0)))) → c12(SQR(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(sqr(add(0, z0))) → c12(SQR(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(sqr(add(s(z0), z1))) → c12(SQR(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(sqr(first(0, z0))) → c12(SQR(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(sqr(first(s(z0), cons(z1, z2)))) → c12(SQR(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(sqr(terms(z0))) → c12(SQR(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(sqr(cons(z0, z1))) → c12(SQR(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(sqr(recip(z0))) → c12(SQR(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(sqr(sqr(z0))) → c12(SQR(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(sqr(s(z0))) → c12(SQR(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(sqr(add(z0, z1))) → c12(SQR(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(sqr(add(z0, z1))) → c12(SQR(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(sqr(dbl(z0))) → c12(SQR(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(sqr(first(z0, z1))) → c12(SQR(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(sqr(first(z0, z1))) → c12(SQR(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(terms(sqr(0))) → c9(TERMS(mark(0)))
ACTIVE(cons(sqr(0), x1)) → c10(CONS(mark(0), x1))
ACTIVE(recip(sqr(0))) → c11(RECIP(mark(0)))
ACTIVE(sqr(sqr(0))) → c12(SQR(mark(0)))
ACTIVE(s(terms(z0))) → c13(S(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(s(sqr(s(z0)))) → c13(S(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(s(dbl(s(z0)))) → c13(S(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(s(add(0, z0))) → c13(S(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(s(add(s(z0), z1))) → c13(S(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(s(first(0, z0))) → c13(S(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(s(first(s(z0), cons(z1, z2)))) → c13(S(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(s(terms(z0))) → c13(S(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(s(cons(z0, z1))) → c13(S(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(s(recip(z0))) → c13(S(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(s(sqr(z0))) → c13(S(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(s(s(z0))) → c13(S(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(s(add(z0, z1))) → c13(S(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(s(add(z0, z1))) → c13(S(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(s(dbl(z0))) → c13(S(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(s(first(z0, z1))) → c13(S(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(s(first(z0, z1))) → c13(S(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(s(sqr(0))) → c13(S(mark(0)))
ACTIVE(dbl(terms(z0))) → c16(DBL(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(dbl(sqr(s(z0)))) → c16(DBL(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(dbl(dbl(s(z0)))) → c16(DBL(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(dbl(add(0, z0))) → c16(DBL(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(dbl(add(s(z0), z1))) → c16(DBL(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(dbl(first(0, z0))) → c16(DBL(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(dbl(first(s(z0), cons(z1, z2)))) → c16(DBL(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(dbl(terms(z0))) → c16(DBL(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(dbl(cons(z0, z1))) → c16(DBL(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(dbl(recip(z0))) → c16(DBL(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(dbl(sqr(z0))) → c16(DBL(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(dbl(s(z0))) → c16(DBL(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(dbl(add(z0, z1))) → c16(DBL(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(dbl(add(z0, z1))) → c16(DBL(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(dbl(dbl(z0))) → c16(DBL(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(dbl(first(z0, z1))) → c16(DBL(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(dbl(first(z0, z1))) → c16(DBL(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(terms(dbl(0))) → c9(TERMS(mark(0)))
ACTIVE(cons(dbl(0), x1)) → c10(CONS(mark(0), x1))
ACTIVE(recip(dbl(0))) → c11(RECIP(mark(0)))
ACTIVE(sqr(dbl(0))) → c12(SQR(mark(0)))
ACTIVE(s(dbl(0))) → c13(S(mark(0)))
ACTIVE(dbl(sqr(0))) → c16(DBL(mark(0)))
ACTIVE(dbl(dbl(0))) → c16(DBL(mark(0)))
PROPER(terms(terms(z0))) → c37(TERMS(terms(proper(z0))), PROPER(terms(z0)))
PROPER(terms(cons(z0, z1))) → c37(TERMS(cons(proper(z0), proper(z1))), PROPER(cons(z0, z1)))
PROPER(terms(recip(z0))) → c37(TERMS(recip(proper(z0))), PROPER(recip(z0)))
PROPER(terms(sqr(z0))) → c37(TERMS(sqr(proper(z0))), PROPER(sqr(z0)))
PROPER(terms(s(z0))) → c37(TERMS(s(proper(z0))), PROPER(s(z0)))
PROPER(terms(add(z0, z1))) → c37(TERMS(add(proper(z0), proper(z1))), PROPER(add(z0, z1)))
PROPER(terms(dbl(z0))) → c37(TERMS(dbl(proper(z0))), PROPER(dbl(z0)))
PROPER(terms(first(z0, z1))) → c37(TERMS(first(proper(z0), proper(z1))), PROPER(first(z0, z1)))
PROPER(terms(0)) → c37(TERMS(ok(0)))
PROPER(terms(nil)) → c37(TERMS(ok(nil)))
PROPER(cons(x0, terms(z0))) → c38(CONS(proper(x0), terms(proper(z0))), PROPER(x0), PROPER(terms(z0)))
PROPER(cons(x0, cons(z0, z1))) → c38(CONS(proper(x0), cons(proper(z0), proper(z1))), PROPER(x0), PROPER(cons(z0, z1)))
PROPER(cons(x0, recip(z0))) → c38(CONS(proper(x0), recip(proper(z0))), PROPER(x0), PROPER(recip(z0)))
PROPER(cons(x0, sqr(z0))) → c38(CONS(proper(x0), sqr(proper(z0))), PROPER(x0), PROPER(sqr(z0)))
PROPER(cons(x0, s(z0))) → c38(CONS(proper(x0), s(proper(z0))), PROPER(x0), PROPER(s(z0)))
PROPER(cons(x0, add(z0, z1))) → c38(CONS(proper(x0), add(proper(z0), proper(z1))), PROPER(x0), PROPER(add(z0, z1)))
PROPER(cons(x0, dbl(z0))) → c38(CONS(proper(x0), dbl(proper(z0))), PROPER(x0), PROPER(dbl(z0)))
PROPER(cons(x0, first(z0, z1))) → c38(CONS(proper(x0), first(proper(z0), proper(z1))), PROPER(x0), PROPER(first(z0, z1)))
PROPER(cons(terms(z0), x1)) → c38(CONS(terms(proper(z0)), proper(x1)), PROPER(terms(z0)), PROPER(x1))
PROPER(cons(cons(z0, z1), x1)) → c38(CONS(cons(proper(z0), proper(z1)), proper(x1)), PROPER(cons(z0, z1)), PROPER(x1))
PROPER(cons(recip(z0), x1)) → c38(CONS(recip(proper(z0)), proper(x1)), PROPER(recip(z0)), PROPER(x1))
PROPER(cons(sqr(z0), x1)) → c38(CONS(sqr(proper(z0)), proper(x1)), PROPER(sqr(z0)), PROPER(x1))
PROPER(cons(s(z0), x1)) → c38(CONS(s(proper(z0)), proper(x1)), PROPER(s(z0)), PROPER(x1))
PROPER(cons(add(z0, z1), x1)) → c38(CONS(add(proper(z0), proper(z1)), proper(x1)), PROPER(add(z0, z1)), PROPER(x1))
PROPER(cons(dbl(z0), x1)) → c38(CONS(dbl(proper(z0)), proper(x1)), PROPER(dbl(z0)), PROPER(x1))
PROPER(cons(first(z0, z1), x1)) → c38(CONS(first(proper(z0), proper(z1)), proper(x1)), PROPER(first(z0, z1)), PROPER(x1))
PROPER(cons(x0, 0)) → c38(CONS(proper(x0), ok(0)), PROPER(x0))
PROPER(cons(x0, nil)) → c38(CONS(proper(x0), ok(nil)), PROPER(x0))
PROPER(cons(0, x1)) → c38(CONS(ok(0), proper(x1)), PROPER(x1))
PROPER(cons(nil, x1)) → c38(CONS(ok(nil), proper(x1)), PROPER(x1))
PROPER(recip(terms(z0))) → c39(RECIP(terms(proper(z0))), PROPER(terms(z0)))
PROPER(recip(cons(z0, z1))) → c39(RECIP(cons(proper(z0), proper(z1))), PROPER(cons(z0, z1)))
PROPER(recip(recip(z0))) → c39(RECIP(recip(proper(z0))), PROPER(recip(z0)))
PROPER(recip(sqr(z0))) → c39(RECIP(sqr(proper(z0))), PROPER(sqr(z0)))
PROPER(recip(s(z0))) → c39(RECIP(s(proper(z0))), PROPER(s(z0)))
PROPER(recip(add(z0, z1))) → c39(RECIP(add(proper(z0), proper(z1))), PROPER(add(z0, z1)))
PROPER(recip(dbl(z0))) → c39(RECIP(dbl(proper(z0))), PROPER(dbl(z0)))
PROPER(recip(first(z0, z1))) → c39(RECIP(first(proper(z0), proper(z1))), PROPER(first(z0, z1)))
PROPER(recip(0)) → c39(RECIP(ok(0)))
PROPER(recip(nil)) → c39(RECIP(ok(nil)))
PROPER(sqr(terms(z0))) → c40(SQR(terms(proper(z0))), PROPER(terms(z0)))
PROPER(sqr(cons(z0, z1))) → c40(SQR(cons(proper(z0), proper(z1))), PROPER(cons(z0, z1)))
PROPER(sqr(recip(z0))) → c40(SQR(recip(proper(z0))), PROPER(recip(z0)))
PROPER(sqr(sqr(z0))) → c40(SQR(sqr(proper(z0))), PROPER(sqr(z0)))
PROPER(sqr(s(z0))) → c40(SQR(s(proper(z0))), PROPER(s(z0)))
PROPER(sqr(add(z0, z1))) → c40(SQR(add(proper(z0), proper(z1))), PROPER(add(z0, z1)))
PROPER(sqr(dbl(z0))) → c40(SQR(dbl(proper(z0))), PROPER(dbl(z0)))
PROPER(sqr(first(z0, z1))) → c40(SQR(first(proper(z0), proper(z1))), PROPER(first(z0, z1)))
PROPER(sqr(0)) → c40(SQR(ok(0)))
PROPER(sqr(nil)) → c40(SQR(ok(nil)))
PROPER(s(terms(z0))) → c41(S(terms(proper(z0))), PROPER(terms(z0)))
PROPER(s(cons(z0, z1))) → c41(S(cons(proper(z0), proper(z1))), PROPER(cons(z0, z1)))
PROPER(s(recip(z0))) → c41(S(recip(proper(z0))), PROPER(recip(z0)))
PROPER(s(sqr(z0))) → c41(S(sqr(proper(z0))), PROPER(sqr(z0)))
PROPER(s(s(z0))) → c41(S(s(proper(z0))), PROPER(s(z0)))
PROPER(s(add(z0, z1))) → c41(S(add(proper(z0), proper(z1))), PROPER(add(z0, z1)))
PROPER(s(dbl(z0))) → c41(S(dbl(proper(z0))), PROPER(dbl(z0)))
PROPER(s(first(z0, z1))) → c41(S(first(proper(z0), proper(z1))), PROPER(first(z0, z1)))
PROPER(s(0)) → c41(S(ok(0)))
PROPER(s(nil)) → c41(S(ok(nil)))
PROPER(add(x0, terms(z0))) → c43(ADD(proper(x0), terms(proper(z0))), PROPER(x0), PROPER(terms(z0)))
PROPER(add(x0, cons(z0, z1))) → c43(ADD(proper(x0), cons(proper(z0), proper(z1))), PROPER(x0), PROPER(cons(z0, z1)))
PROPER(add(x0, recip(z0))) → c43(ADD(proper(x0), recip(proper(z0))), PROPER(x0), PROPER(recip(z0)))
PROPER(add(x0, sqr(z0))) → c43(ADD(proper(x0), sqr(proper(z0))), PROPER(x0), PROPER(sqr(z0)))
PROPER(add(x0, s(z0))) → c43(ADD(proper(x0), s(proper(z0))), PROPER(x0), PROPER(s(z0)))
PROPER(add(x0, add(z0, z1))) → c43(ADD(proper(x0), add(proper(z0), proper(z1))), PROPER(x0), PROPER(add(z0, z1)))
PROPER(add(x0, dbl(z0))) → c43(ADD(proper(x0), dbl(proper(z0))), PROPER(x0), PROPER(dbl(z0)))
PROPER(add(x0, first(z0, z1))) → c43(ADD(proper(x0), first(proper(z0), proper(z1))), PROPER(x0), PROPER(first(z0, z1)))
PROPER(add(terms(z0), x1)) → c43(ADD(terms(proper(z0)), proper(x1)), PROPER(terms(z0)), PROPER(x1))
PROPER(add(cons(z0, z1), x1)) → c43(ADD(cons(proper(z0), proper(z1)), proper(x1)), PROPER(cons(z0, z1)), PROPER(x1))
PROPER(add(recip(z0), x1)) → c43(ADD(recip(proper(z0)), proper(x1)), PROPER(recip(z0)), PROPER(x1))
PROPER(add(sqr(z0), x1)) → c43(ADD(sqr(proper(z0)), proper(x1)), PROPER(sqr(z0)), PROPER(x1))
PROPER(add(s(z0), x1)) → c43(ADD(s(proper(z0)), proper(x1)), PROPER(s(z0)), PROPER(x1))
PROPER(add(add(z0, z1), x1)) → c43(ADD(add(proper(z0), proper(z1)), proper(x1)), PROPER(add(z0, z1)), PROPER(x1))
PROPER(add(dbl(z0), x1)) → c43(ADD(dbl(proper(z0)), proper(x1)), PROPER(dbl(z0)), PROPER(x1))
PROPER(add(first(z0, z1), x1)) → c43(ADD(first(proper(z0), proper(z1)), proper(x1)), PROPER(first(z0, z1)), PROPER(x1))
PROPER(add(x0, 0)) → c43(ADD(proper(x0), ok(0)), PROPER(x0))
PROPER(add(x0, nil)) → c43(ADD(proper(x0), ok(nil)), PROPER(x0))
PROPER(add(0, x1)) → c43(ADD(ok(0), proper(x1)), PROPER(x1))
PROPER(add(nil, x1)) → c43(ADD(ok(nil), proper(x1)), PROPER(x1))
PROPER(dbl(terms(z0))) → c44(DBL(terms(proper(z0))), PROPER(terms(z0)))
PROPER(dbl(cons(z0, z1))) → c44(DBL(cons(proper(z0), proper(z1))), PROPER(cons(z0, z1)))
PROPER(dbl(recip(z0))) → c44(DBL(recip(proper(z0))), PROPER(recip(z0)))
PROPER(dbl(sqr(z0))) → c44(DBL(sqr(proper(z0))), PROPER(sqr(z0)))
PROPER(dbl(s(z0))) → c44(DBL(s(proper(z0))), PROPER(s(z0)))
PROPER(dbl(add(z0, z1))) → c44(DBL(add(proper(z0), proper(z1))), PROPER(add(z0, z1)))
PROPER(dbl(dbl(z0))) → c44(DBL(dbl(proper(z0))), PROPER(dbl(z0)))
PROPER(dbl(first(z0, z1))) → c44(DBL(first(proper(z0), proper(z1))), PROPER(first(z0, z1)))
PROPER(dbl(0)) → c44(DBL(ok(0)))
PROPER(dbl(nil)) → c44(DBL(ok(nil)))
PROPER(first(x0, terms(z0))) → c45(FIRST(proper(x0), terms(proper(z0))), PROPER(x0), PROPER(terms(z0)))
PROPER(first(x0, cons(z0, z1))) → c45(FIRST(proper(x0), cons(proper(z0), proper(z1))), PROPER(x0), PROPER(cons(z0, z1)))
PROPER(first(x0, recip(z0))) → c45(FIRST(proper(x0), recip(proper(z0))), PROPER(x0), PROPER(recip(z0)))
PROPER(first(x0, sqr(z0))) → c45(FIRST(proper(x0), sqr(proper(z0))), PROPER(x0), PROPER(sqr(z0)))
PROPER(first(x0, s(z0))) → c45(FIRST(proper(x0), s(proper(z0))), PROPER(x0), PROPER(s(z0)))
PROPER(first(x0, add(z0, z1))) → c45(FIRST(proper(x0), add(proper(z0), proper(z1))), PROPER(x0), PROPER(add(z0, z1)))
PROPER(first(x0, dbl(z0))) → c45(FIRST(proper(x0), dbl(proper(z0))), PROPER(x0), PROPER(dbl(z0)))
PROPER(first(x0, first(z0, z1))) → c45(FIRST(proper(x0), first(proper(z0), proper(z1))), PROPER(x0), PROPER(first(z0, z1)))
PROPER(first(terms(z0), x1)) → c45(FIRST(terms(proper(z0)), proper(x1)), PROPER(terms(z0)), PROPER(x1))
PROPER(first(cons(z0, z1), x1)) → c45(FIRST(cons(proper(z0), proper(z1)), proper(x1)), PROPER(cons(z0, z1)), PROPER(x1))
PROPER(first(recip(z0), x1)) → c45(FIRST(recip(proper(z0)), proper(x1)), PROPER(recip(z0)), PROPER(x1))
PROPER(first(sqr(z0), x1)) → c45(FIRST(sqr(proper(z0)), proper(x1)), PROPER(sqr(z0)), PROPER(x1))
PROPER(first(s(z0), x1)) → c45(FIRST(s(proper(z0)), proper(x1)), PROPER(s(z0)), PROPER(x1))
PROPER(first(add(z0, z1), x1)) → c45(FIRST(add(proper(z0), proper(z1)), proper(x1)), PROPER(add(z0, z1)), PROPER(x1))
PROPER(first(dbl(z0), x1)) → c45(FIRST(dbl(proper(z0)), proper(x1)), PROPER(dbl(z0)), PROPER(x1))
PROPER(first(first(z0, z1), x1)) → c45(FIRST(first(proper(z0), proper(z1)), proper(x1)), PROPER(first(z0, z1)), PROPER(x1))
PROPER(first(x0, 0)) → c45(FIRST(proper(x0), ok(0)), PROPER(x0))
PROPER(first(x0, nil)) → c45(FIRST(proper(x0), ok(nil)), PROPER(x0))
PROPER(first(0, x1)) → c45(FIRST(ok(0), proper(x1)), PROPER(x1))
PROPER(first(nil, x1)) → c45(FIRST(ok(nil), proper(x1)), PROPER(x1))
TOP(mark(terms(z0))) → c47(TOP(terms(proper(z0))), PROPER(terms(z0)))
TOP(mark(cons(z0, z1))) → c47(TOP(cons(proper(z0), proper(z1))), PROPER(cons(z0, z1)))
TOP(mark(recip(z0))) → c47(TOP(recip(proper(z0))), PROPER(recip(z0)))
TOP(mark(sqr(z0))) → c47(TOP(sqr(proper(z0))), PROPER(sqr(z0)))
TOP(mark(s(z0))) → c47(TOP(s(proper(z0))), PROPER(s(z0)))
TOP(mark(add(z0, z1))) → c47(TOP(add(proper(z0), proper(z1))), PROPER(add(z0, z1)))
TOP(mark(dbl(z0))) → c47(TOP(dbl(proper(z0))), PROPER(dbl(z0)))
TOP(mark(first(z0, z1))) → c47(TOP(first(proper(z0), proper(z1))), PROPER(first(z0, z1)))
TOP(mark(0)) → c47(TOP(ok(0)))
TOP(mark(nil)) → c47(TOP(ok(nil)))
TOP(ok(terms(z0))) → c48(TOP(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
TOP(ok(sqr(0))) → c48(TOP(mark(0)), ACTIVE(sqr(0)))
TOP(ok(sqr(s(z0)))) → c48(TOP(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
TOP(ok(dbl(0))) → c48(TOP(mark(0)), ACTIVE(dbl(0)))
TOP(ok(dbl(s(z0)))) → c48(TOP(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
TOP(ok(add(0, z0))) → c48(TOP(mark(z0)), ACTIVE(add(0, z0)))
TOP(ok(add(s(z0), z1))) → c48(TOP(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
TOP(ok(first(0, z0))) → c48(TOP(mark(nil)), ACTIVE(first(0, z0)))
TOP(ok(first(s(z0), cons(z1, z2)))) → c48(TOP(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
TOP(ok(terms(z0))) → c48(TOP(terms(active(z0))), ACTIVE(terms(z0)))
TOP(ok(cons(z0, z1))) → c48(TOP(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
TOP(ok(recip(z0))) → c48(TOP(recip(active(z0))), ACTIVE(recip(z0)))
TOP(ok(sqr(z0))) → c48(TOP(sqr(active(z0))), ACTIVE(sqr(z0)))
TOP(ok(s(z0))) → c48(TOP(s(active(z0))), ACTIVE(s(z0)))
TOP(ok(add(z0, z1))) → c48(TOP(add(active(z0), z1)), ACTIVE(add(z0, z1)))
TOP(ok(add(z0, z1))) → c48(TOP(add(z0, active(z1))), ACTIVE(add(z0, z1)))
TOP(ok(dbl(z0))) → c48(TOP(dbl(active(z0))), ACTIVE(dbl(z0)))
TOP(ok(first(z0, z1))) → c48(TOP(first(active(z0), z1)), ACTIVE(first(z0, z1)))
TOP(ok(first(z0, z1))) → c48(TOP(first(z0, active(z1))), ACTIVE(first(z0, z1)))
S tuples:

ACTIVE(add(z0, z1)) → c14(ADD(active(z0), z1), ACTIVE(z0))
ACTIVE(add(z0, z1)) → c15(ADD(z0, active(z1)), ACTIVE(z1))
ACTIVE(first(z0, z1)) → c17(FIRST(active(z0), z1), ACTIVE(z0))
ACTIVE(first(z0, z1)) → c18(FIRST(z0, active(z1)), ACTIVE(z1))
TERMS(mark(z0)) → c19(TERMS(z0))
TERMS(ok(z0)) → c20(TERMS(z0))
CONS(mark(z0), z1) → c21(CONS(z0, z1))
CONS(ok(z0), ok(z1)) → c22(CONS(z0, z1))
RECIP(mark(z0)) → c23(RECIP(z0))
RECIP(ok(z0)) → c24(RECIP(z0))
SQR(mark(z0)) → c25(SQR(z0))
SQR(ok(z0)) → c26(SQR(z0))
S(mark(z0)) → c27(S(z0))
S(ok(z0)) → c28(S(z0))
ADD(mark(z0), z1) → c29(ADD(z0, z1))
ADD(z0, mark(z1)) → c30(ADD(z0, z1))
ADD(ok(z0), ok(z1)) → c31(ADD(z0, z1))
DBL(mark(z0)) → c32(DBL(z0))
DBL(ok(z0)) → c33(DBL(z0))
FIRST(mark(z0), z1) → c34(FIRST(z0, z1))
FIRST(z0, mark(z1)) → c35(FIRST(z0, z1))
FIRST(ok(z0), ok(z1)) → c36(FIRST(z0, z1))
ACTIVE(dbl(s(z0))) → c4(DBL(z0))
ACTIVE(add(s(z0), z1)) → c6(ADD(z0, z1))
ACTIVE(first(s(z0), cons(z1, z2))) → c1(CONS(z1, first(z0, z2)))
ACTIVE(first(s(z0), cons(z1, z2))) → c1(FIRST(z0, z2))
ACTIVE(terms(z0)) → c1(SQR(z0))
ACTIVE(terms(z0)) → c1(S(z0))
ACTIVE(sqr(s(z0))) → c1(SQR(z0))
ACTIVE(sqr(s(z0))) → c1(DBL(z0))
ACTIVE(terms(terms(z0))) → c9(TERMS(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(terms(sqr(s(z0)))) → c9(TERMS(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(terms(dbl(s(z0)))) → c9(TERMS(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(terms(add(0, z0))) → c9(TERMS(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(terms(add(s(z0), z1))) → c9(TERMS(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(terms(first(0, z0))) → c9(TERMS(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(terms(first(s(z0), cons(z1, z2)))) → c9(TERMS(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(terms(terms(z0))) → c9(TERMS(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(terms(cons(z0, z1))) → c9(TERMS(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(terms(recip(z0))) → c9(TERMS(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(terms(sqr(z0))) → c9(TERMS(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(terms(s(z0))) → c9(TERMS(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(terms(add(z0, z1))) → c9(TERMS(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(terms(add(z0, z1))) → c9(TERMS(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(terms(dbl(z0))) → c9(TERMS(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(terms(first(z0, z1))) → c9(TERMS(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(terms(first(z0, z1))) → c9(TERMS(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(cons(terms(z0), x1)) → c10(CONS(mark(cons(recip(sqr(z0)), terms(s(z0)))), x1), ACTIVE(terms(z0)))
ACTIVE(cons(sqr(s(z0)), x1)) → c10(CONS(mark(s(add(sqr(z0), dbl(z0)))), x1), ACTIVE(sqr(s(z0))))
ACTIVE(cons(dbl(s(z0)), x1)) → c10(CONS(mark(s(s(dbl(z0)))), x1), ACTIVE(dbl(s(z0))))
ACTIVE(cons(add(0, z0), x1)) → c10(CONS(mark(z0), x1), ACTIVE(add(0, z0)))
ACTIVE(cons(add(s(z0), z1), x1)) → c10(CONS(mark(s(add(z0, z1))), x1), ACTIVE(add(s(z0), z1)))
ACTIVE(cons(first(0, z0), x1)) → c10(CONS(mark(nil), x1), ACTIVE(first(0, z0)))
ACTIVE(cons(first(s(z0), cons(z1, z2)), x1)) → c10(CONS(mark(cons(z1, first(z0, z2))), x1), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(cons(terms(z0), x1)) → c10(CONS(terms(active(z0)), x1), ACTIVE(terms(z0)))
ACTIVE(cons(cons(z0, z1), x1)) → c10(CONS(cons(active(z0), z1), x1), ACTIVE(cons(z0, z1)))
ACTIVE(cons(recip(z0), x1)) → c10(CONS(recip(active(z0)), x1), ACTIVE(recip(z0)))
ACTIVE(cons(sqr(z0), x1)) → c10(CONS(sqr(active(z0)), x1), ACTIVE(sqr(z0)))
ACTIVE(cons(s(z0), x1)) → c10(CONS(s(active(z0)), x1), ACTIVE(s(z0)))
ACTIVE(cons(add(z0, z1), x1)) → c10(CONS(add(active(z0), z1), x1), ACTIVE(add(z0, z1)))
ACTIVE(cons(add(z0, z1), x1)) → c10(CONS(add(z0, active(z1)), x1), ACTIVE(add(z0, z1)))
ACTIVE(cons(dbl(z0), x1)) → c10(CONS(dbl(active(z0)), x1), ACTIVE(dbl(z0)))
ACTIVE(cons(first(z0, z1), x1)) → c10(CONS(first(active(z0), z1), x1), ACTIVE(first(z0, z1)))
ACTIVE(cons(first(z0, z1), x1)) → c10(CONS(first(z0, active(z1)), x1), ACTIVE(first(z0, z1)))
ACTIVE(recip(terms(z0))) → c11(RECIP(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(recip(sqr(s(z0)))) → c11(RECIP(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(recip(dbl(s(z0)))) → c11(RECIP(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(recip(add(0, z0))) → c11(RECIP(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(recip(add(s(z0), z1))) → c11(RECIP(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(recip(first(0, z0))) → c11(RECIP(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(recip(first(s(z0), cons(z1, z2)))) → c11(RECIP(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(recip(terms(z0))) → c11(RECIP(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(recip(cons(z0, z1))) → c11(RECIP(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(recip(recip(z0))) → c11(RECIP(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(recip(sqr(z0))) → c11(RECIP(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(recip(s(z0))) → c11(RECIP(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(recip(add(z0, z1))) → c11(RECIP(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(recip(add(z0, z1))) → c11(RECIP(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(recip(dbl(z0))) → c11(RECIP(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(recip(first(z0, z1))) → c11(RECIP(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(recip(first(z0, z1))) → c11(RECIP(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(sqr(terms(z0))) → c12(SQR(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(sqr(sqr(s(z0)))) → c12(SQR(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(sqr(dbl(s(z0)))) → c12(SQR(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(sqr(add(0, z0))) → c12(SQR(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(sqr(add(s(z0), z1))) → c12(SQR(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(sqr(first(0, z0))) → c12(SQR(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(sqr(first(s(z0), cons(z1, z2)))) → c12(SQR(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(sqr(terms(z0))) → c12(SQR(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(sqr(cons(z0, z1))) → c12(SQR(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(sqr(recip(z0))) → c12(SQR(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(sqr(sqr(z0))) → c12(SQR(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(sqr(s(z0))) → c12(SQR(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(sqr(add(z0, z1))) → c12(SQR(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(sqr(add(z0, z1))) → c12(SQR(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(sqr(dbl(z0))) → c12(SQR(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(sqr(first(z0, z1))) → c12(SQR(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(sqr(first(z0, z1))) → c12(SQR(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(terms(sqr(0))) → c9(TERMS(mark(0)))
ACTIVE(cons(sqr(0), x1)) → c10(CONS(mark(0), x1))
ACTIVE(recip(sqr(0))) → c11(RECIP(mark(0)))
ACTIVE(sqr(sqr(0))) → c12(SQR(mark(0)))
ACTIVE(s(terms(z0))) → c13(S(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(s(sqr(s(z0)))) → c13(S(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(s(dbl(s(z0)))) → c13(S(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(s(add(0, z0))) → c13(S(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(s(add(s(z0), z1))) → c13(S(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(s(first(0, z0))) → c13(S(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(s(first(s(z0), cons(z1, z2)))) → c13(S(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(s(terms(z0))) → c13(S(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(s(cons(z0, z1))) → c13(S(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(s(recip(z0))) → c13(S(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(s(sqr(z0))) → c13(S(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(s(s(z0))) → c13(S(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(s(add(z0, z1))) → c13(S(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(s(add(z0, z1))) → c13(S(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(s(dbl(z0))) → c13(S(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(s(first(z0, z1))) → c13(S(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(s(first(z0, z1))) → c13(S(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(s(sqr(0))) → c13(S(mark(0)))
ACTIVE(dbl(terms(z0))) → c16(DBL(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(dbl(sqr(s(z0)))) → c16(DBL(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(dbl(dbl(s(z0)))) → c16(DBL(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(dbl(add(0, z0))) → c16(DBL(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(dbl(add(s(z0), z1))) → c16(DBL(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(dbl(first(0, z0))) → c16(DBL(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(dbl(first(s(z0), cons(z1, z2)))) → c16(DBL(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(dbl(terms(z0))) → c16(DBL(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(dbl(cons(z0, z1))) → c16(DBL(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(dbl(recip(z0))) → c16(DBL(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(dbl(sqr(z0))) → c16(DBL(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(dbl(s(z0))) → c16(DBL(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(dbl(add(z0, z1))) → c16(DBL(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(dbl(add(z0, z1))) → c16(DBL(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(dbl(dbl(z0))) → c16(DBL(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(dbl(first(z0, z1))) → c16(DBL(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(dbl(first(z0, z1))) → c16(DBL(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(terms(dbl(0))) → c9(TERMS(mark(0)))
ACTIVE(cons(dbl(0), x1)) → c10(CONS(mark(0), x1))
ACTIVE(recip(dbl(0))) → c11(RECIP(mark(0)))
ACTIVE(sqr(dbl(0))) → c12(SQR(mark(0)))
ACTIVE(s(dbl(0))) → c13(S(mark(0)))
ACTIVE(dbl(sqr(0))) → c16(DBL(mark(0)))
ACTIVE(dbl(dbl(0))) → c16(DBL(mark(0)))
PROPER(terms(terms(z0))) → c37(TERMS(terms(proper(z0))), PROPER(terms(z0)))
PROPER(terms(cons(z0, z1))) → c37(TERMS(cons(proper(z0), proper(z1))), PROPER(cons(z0, z1)))
PROPER(terms(recip(z0))) → c37(TERMS(recip(proper(z0))), PROPER(recip(z0)))
PROPER(terms(sqr(z0))) → c37(TERMS(sqr(proper(z0))), PROPER(sqr(z0)))
PROPER(terms(s(z0))) → c37(TERMS(s(proper(z0))), PROPER(s(z0)))
PROPER(terms(add(z0, z1))) → c37(TERMS(add(proper(z0), proper(z1))), PROPER(add(z0, z1)))
PROPER(terms(dbl(z0))) → c37(TERMS(dbl(proper(z0))), PROPER(dbl(z0)))
PROPER(terms(first(z0, z1))) → c37(TERMS(first(proper(z0), proper(z1))), PROPER(first(z0, z1)))
PROPER(terms(0)) → c37(TERMS(ok(0)))
PROPER(terms(nil)) → c37(TERMS(ok(nil)))
PROPER(cons(x0, terms(z0))) → c38(CONS(proper(x0), terms(proper(z0))), PROPER(x0), PROPER(terms(z0)))
PROPER(cons(x0, cons(z0, z1))) → c38(CONS(proper(x0), cons(proper(z0), proper(z1))), PROPER(x0), PROPER(cons(z0, z1)))
PROPER(cons(x0, recip(z0))) → c38(CONS(proper(x0), recip(proper(z0))), PROPER(x0), PROPER(recip(z0)))
PROPER(cons(x0, sqr(z0))) → c38(CONS(proper(x0), sqr(proper(z0))), PROPER(x0), PROPER(sqr(z0)))
PROPER(cons(x0, s(z0))) → c38(CONS(proper(x0), s(proper(z0))), PROPER(x0), PROPER(s(z0)))
PROPER(cons(x0, add(z0, z1))) → c38(CONS(proper(x0), add(proper(z0), proper(z1))), PROPER(x0), PROPER(add(z0, z1)))
PROPER(cons(x0, dbl(z0))) → c38(CONS(proper(x0), dbl(proper(z0))), PROPER(x0), PROPER(dbl(z0)))
PROPER(cons(x0, first(z0, z1))) → c38(CONS(proper(x0), first(proper(z0), proper(z1))), PROPER(x0), PROPER(first(z0, z1)))
PROPER(cons(terms(z0), x1)) → c38(CONS(terms(proper(z0)), proper(x1)), PROPER(terms(z0)), PROPER(x1))
PROPER(cons(cons(z0, z1), x1)) → c38(CONS(cons(proper(z0), proper(z1)), proper(x1)), PROPER(cons(z0, z1)), PROPER(x1))
PROPER(cons(recip(z0), x1)) → c38(CONS(recip(proper(z0)), proper(x1)), PROPER(recip(z0)), PROPER(x1))
PROPER(cons(sqr(z0), x1)) → c38(CONS(sqr(proper(z0)), proper(x1)), PROPER(sqr(z0)), PROPER(x1))
PROPER(cons(s(z0), x1)) → c38(CONS(s(proper(z0)), proper(x1)), PROPER(s(z0)), PROPER(x1))
PROPER(cons(add(z0, z1), x1)) → c38(CONS(add(proper(z0), proper(z1)), proper(x1)), PROPER(add(z0, z1)), PROPER(x1))
PROPER(cons(dbl(z0), x1)) → c38(CONS(dbl(proper(z0)), proper(x1)), PROPER(dbl(z0)), PROPER(x1))
PROPER(cons(first(z0, z1), x1)) → c38(CONS(first(proper(z0), proper(z1)), proper(x1)), PROPER(first(z0, z1)), PROPER(x1))
PROPER(cons(x0, 0)) → c38(CONS(proper(x0), ok(0)), PROPER(x0))
PROPER(cons(x0, nil)) → c38(CONS(proper(x0), ok(nil)), PROPER(x0))
PROPER(cons(0, x1)) → c38(CONS(ok(0), proper(x1)), PROPER(x1))
PROPER(cons(nil, x1)) → c38(CONS(ok(nil), proper(x1)), PROPER(x1))
PROPER(recip(terms(z0))) → c39(RECIP(terms(proper(z0))), PROPER(terms(z0)))
PROPER(recip(cons(z0, z1))) → c39(RECIP(cons(proper(z0), proper(z1))), PROPER(cons(z0, z1)))
PROPER(recip(recip(z0))) → c39(RECIP(recip(proper(z0))), PROPER(recip(z0)))
PROPER(recip(sqr(z0))) → c39(RECIP(sqr(proper(z0))), PROPER(sqr(z0)))
PROPER(recip(s(z0))) → c39(RECIP(s(proper(z0))), PROPER(s(z0)))
PROPER(recip(add(z0, z1))) → c39(RECIP(add(proper(z0), proper(z1))), PROPER(add(z0, z1)))
PROPER(recip(dbl(z0))) → c39(RECIP(dbl(proper(z0))), PROPER(dbl(z0)))
PROPER(recip(first(z0, z1))) → c39(RECIP(first(proper(z0), proper(z1))), PROPER(first(z0, z1)))
PROPER(recip(0)) → c39(RECIP(ok(0)))
PROPER(recip(nil)) → c39(RECIP(ok(nil)))
PROPER(sqr(terms(z0))) → c40(SQR(terms(proper(z0))), PROPER(terms(z0)))
PROPER(sqr(cons(z0, z1))) → c40(SQR(cons(proper(z0), proper(z1))), PROPER(cons(z0, z1)))
PROPER(sqr(recip(z0))) → c40(SQR(recip(proper(z0))), PROPER(recip(z0)))
PROPER(sqr(sqr(z0))) → c40(SQR(sqr(proper(z0))), PROPER(sqr(z0)))
PROPER(sqr(s(z0))) → c40(SQR(s(proper(z0))), PROPER(s(z0)))
PROPER(sqr(add(z0, z1))) → c40(SQR(add(proper(z0), proper(z1))), PROPER(add(z0, z1)))
PROPER(sqr(dbl(z0))) → c40(SQR(dbl(proper(z0))), PROPER(dbl(z0)))
PROPER(sqr(first(z0, z1))) → c40(SQR(first(proper(z0), proper(z1))), PROPER(first(z0, z1)))
PROPER(sqr(0)) → c40(SQR(ok(0)))
PROPER(sqr(nil)) → c40(SQR(ok(nil)))
PROPER(s(terms(z0))) → c41(S(terms(proper(z0))), PROPER(terms(z0)))
PROPER(s(cons(z0, z1))) → c41(S(cons(proper(z0), proper(z1))), PROPER(cons(z0, z1)))
PROPER(s(recip(z0))) → c41(S(recip(proper(z0))), PROPER(recip(z0)))
PROPER(s(sqr(z0))) → c41(S(sqr(proper(z0))), PROPER(sqr(z0)))
PROPER(s(s(z0))) → c41(S(s(proper(z0))), PROPER(s(z0)))
PROPER(s(add(z0, z1))) → c41(S(add(proper(z0), proper(z1))), PROPER(add(z0, z1)))
PROPER(s(dbl(z0))) → c41(S(dbl(proper(z0))), PROPER(dbl(z0)))
PROPER(s(first(z0, z1))) → c41(S(first(proper(z0), proper(z1))), PROPER(first(z0, z1)))
PROPER(s(0)) → c41(S(ok(0)))
PROPER(s(nil)) → c41(S(ok(nil)))
PROPER(add(x0, terms(z0))) → c43(ADD(proper(x0), terms(proper(z0))), PROPER(x0), PROPER(terms(z0)))
PROPER(add(x0, cons(z0, z1))) → c43(ADD(proper(x0), cons(proper(z0), proper(z1))), PROPER(x0), PROPER(cons(z0, z1)))
PROPER(add(x0, recip(z0))) → c43(ADD(proper(x0), recip(proper(z0))), PROPER(x0), PROPER(recip(z0)))
PROPER(add(x0, sqr(z0))) → c43(ADD(proper(x0), sqr(proper(z0))), PROPER(x0), PROPER(sqr(z0)))
PROPER(add(x0, s(z0))) → c43(ADD(proper(x0), s(proper(z0))), PROPER(x0), PROPER(s(z0)))
PROPER(add(x0, add(z0, z1))) → c43(ADD(proper(x0), add(proper(z0), proper(z1))), PROPER(x0), PROPER(add(z0, z1)))
PROPER(add(x0, dbl(z0))) → c43(ADD(proper(x0), dbl(proper(z0))), PROPER(x0), PROPER(dbl(z0)))
PROPER(add(x0, first(z0, z1))) → c43(ADD(proper(x0), first(proper(z0), proper(z1))), PROPER(x0), PROPER(first(z0, z1)))
PROPER(add(terms(z0), x1)) → c43(ADD(terms(proper(z0)), proper(x1)), PROPER(terms(z0)), PROPER(x1))
PROPER(add(cons(z0, z1), x1)) → c43(ADD(cons(proper(z0), proper(z1)), proper(x1)), PROPER(cons(z0, z1)), PROPER(x1))
PROPER(add(recip(z0), x1)) → c43(ADD(recip(proper(z0)), proper(x1)), PROPER(recip(z0)), PROPER(x1))
PROPER(add(sqr(z0), x1)) → c43(ADD(sqr(proper(z0)), proper(x1)), PROPER(sqr(z0)), PROPER(x1))
PROPER(add(s(z0), x1)) → c43(ADD(s(proper(z0)), proper(x1)), PROPER(s(z0)), PROPER(x1))
PROPER(add(add(z0, z1), x1)) → c43(ADD(add(proper(z0), proper(z1)), proper(x1)), PROPER(add(z0, z1)), PROPER(x1))
PROPER(add(dbl(z0), x1)) → c43(ADD(dbl(proper(z0)), proper(x1)), PROPER(dbl(z0)), PROPER(x1))
PROPER(add(first(z0, z1), x1)) → c43(ADD(first(proper(z0), proper(z1)), proper(x1)), PROPER(first(z0, z1)), PROPER(x1))
PROPER(add(x0, 0)) → c43(ADD(proper(x0), ok(0)), PROPER(x0))
PROPER(add(x0, nil)) → c43(ADD(proper(x0), ok(nil)), PROPER(x0))
PROPER(add(0, x1)) → c43(ADD(ok(0), proper(x1)), PROPER(x1))
PROPER(add(nil, x1)) → c43(ADD(ok(nil), proper(x1)), PROPER(x1))
PROPER(dbl(terms(z0))) → c44(DBL(terms(proper(z0))), PROPER(terms(z0)))
PROPER(dbl(cons(z0, z1))) → c44(DBL(cons(proper(z0), proper(z1))), PROPER(cons(z0, z1)))
PROPER(dbl(recip(z0))) → c44(DBL(recip(proper(z0))), PROPER(recip(z0)))
PROPER(dbl(sqr(z0))) → c44(DBL(sqr(proper(z0))), PROPER(sqr(z0)))
PROPER(dbl(s(z0))) → c44(DBL(s(proper(z0))), PROPER(s(z0)))
PROPER(dbl(add(z0, z1))) → c44(DBL(add(proper(z0), proper(z1))), PROPER(add(z0, z1)))
PROPER(dbl(dbl(z0))) → c44(DBL(dbl(proper(z0))), PROPER(dbl(z0)))
PROPER(dbl(first(z0, z1))) → c44(DBL(first(proper(z0), proper(z1))), PROPER(first(z0, z1)))
PROPER(dbl(0)) → c44(DBL(ok(0)))
PROPER(dbl(nil)) → c44(DBL(ok(nil)))
PROPER(first(x0, terms(z0))) → c45(FIRST(proper(x0), terms(proper(z0))), PROPER(x0), PROPER(terms(z0)))
PROPER(first(x0, cons(z0, z1))) → c45(FIRST(proper(x0), cons(proper(z0), proper(z1))), PROPER(x0), PROPER(cons(z0, z1)))
PROPER(first(x0, recip(z0))) → c45(FIRST(proper(x0), recip(proper(z0))), PROPER(x0), PROPER(recip(z0)))
PROPER(first(x0, sqr(z0))) → c45(FIRST(proper(x0), sqr(proper(z0))), PROPER(x0), PROPER(sqr(z0)))
PROPER(first(x0, s(z0))) → c45(FIRST(proper(x0), s(proper(z0))), PROPER(x0), PROPER(s(z0)))
PROPER(first(x0, add(z0, z1))) → c45(FIRST(proper(x0), add(proper(z0), proper(z1))), PROPER(x0), PROPER(add(z0, z1)))
PROPER(first(x0, dbl(z0))) → c45(FIRST(proper(x0), dbl(proper(z0))), PROPER(x0), PROPER(dbl(z0)))
PROPER(first(x0, first(z0, z1))) → c45(FIRST(proper(x0), first(proper(z0), proper(z1))), PROPER(x0), PROPER(first(z0, z1)))
PROPER(first(terms(z0), x1)) → c45(FIRST(terms(proper(z0)), proper(x1)), PROPER(terms(z0)), PROPER(x1))
PROPER(first(cons(z0, z1), x1)) → c45(FIRST(cons(proper(z0), proper(z1)), proper(x1)), PROPER(cons(z0, z1)), PROPER(x1))
PROPER(first(recip(z0), x1)) → c45(FIRST(recip(proper(z0)), proper(x1)), PROPER(recip(z0)), PROPER(x1))
PROPER(first(sqr(z0), x1)) → c45(FIRST(sqr(proper(z0)), proper(x1)), PROPER(sqr(z0)), PROPER(x1))
PROPER(first(s(z0), x1)) → c45(FIRST(s(proper(z0)), proper(x1)), PROPER(s(z0)), PROPER(x1))
PROPER(first(add(z0, z1), x1)) → c45(FIRST(add(proper(z0), proper(z1)), proper(x1)), PROPER(add(z0, z1)), PROPER(x1))
PROPER(first(dbl(z0), x1)) → c45(FIRST(dbl(proper(z0)), proper(x1)), PROPER(dbl(z0)), PROPER(x1))
PROPER(first(first(z0, z1), x1)) → c45(FIRST(first(proper(z0), proper(z1)), proper(x1)), PROPER(first(z0, z1)), PROPER(x1))
PROPER(first(x0, 0)) → c45(FIRST(proper(x0), ok(0)), PROPER(x0))
PROPER(first(x0, nil)) → c45(FIRST(proper(x0), ok(nil)), PROPER(x0))
PROPER(first(0, x1)) → c45(FIRST(ok(0), proper(x1)), PROPER(x1))
PROPER(first(nil, x1)) → c45(FIRST(ok(nil), proper(x1)), PROPER(x1))
TOP(mark(terms(z0))) → c47(TOP(terms(proper(z0))), PROPER(terms(z0)))
TOP(mark(cons(z0, z1))) → c47(TOP(cons(proper(z0), proper(z1))), PROPER(cons(z0, z1)))
TOP(mark(recip(z0))) → c47(TOP(recip(proper(z0))), PROPER(recip(z0)))
TOP(mark(sqr(z0))) → c47(TOP(sqr(proper(z0))), PROPER(sqr(z0)))
TOP(mark(s(z0))) → c47(TOP(s(proper(z0))), PROPER(s(z0)))
TOP(mark(add(z0, z1))) → c47(TOP(add(proper(z0), proper(z1))), PROPER(add(z0, z1)))
TOP(mark(dbl(z0))) → c47(TOP(dbl(proper(z0))), PROPER(dbl(z0)))
TOP(mark(first(z0, z1))) → c47(TOP(first(proper(z0), proper(z1))), PROPER(first(z0, z1)))
TOP(mark(0)) → c47(TOP(ok(0)))
TOP(mark(nil)) → c47(TOP(ok(nil)))
TOP(ok(terms(z0))) → c48(TOP(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
TOP(ok(sqr(0))) → c48(TOP(mark(0)), ACTIVE(sqr(0)))
TOP(ok(sqr(s(z0)))) → c48(TOP(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
TOP(ok(dbl(0))) → c48(TOP(mark(0)), ACTIVE(dbl(0)))
TOP(ok(dbl(s(z0)))) → c48(TOP(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
TOP(ok(add(0, z0))) → c48(TOP(mark(z0)), ACTIVE(add(0, z0)))
TOP(ok(add(s(z0), z1))) → c48(TOP(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
TOP(ok(first(0, z0))) → c48(TOP(mark(nil)), ACTIVE(first(0, z0)))
TOP(ok(first(s(z0), cons(z1, z2)))) → c48(TOP(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
TOP(ok(terms(z0))) → c48(TOP(terms(active(z0))), ACTIVE(terms(z0)))
TOP(ok(cons(z0, z1))) → c48(TOP(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
TOP(ok(recip(z0))) → c48(TOP(recip(active(z0))), ACTIVE(recip(z0)))
TOP(ok(sqr(z0))) → c48(TOP(sqr(active(z0))), ACTIVE(sqr(z0)))
TOP(ok(s(z0))) → c48(TOP(s(active(z0))), ACTIVE(s(z0)))
TOP(ok(add(z0, z1))) → c48(TOP(add(active(z0), z1)), ACTIVE(add(z0, z1)))
TOP(ok(add(z0, z1))) → c48(TOP(add(z0, active(z1))), ACTIVE(add(z0, z1)))
TOP(ok(dbl(z0))) → c48(TOP(dbl(active(z0))), ACTIVE(dbl(z0)))
TOP(ok(first(z0, z1))) → c48(TOP(first(active(z0), z1)), ACTIVE(first(z0, z1)))
TOP(ok(first(z0, z1))) → c48(TOP(first(z0, active(z1))), ACTIVE(first(z0, z1)))
K tuples:none
Defined Rule Symbols:

active, cons, first, terms, recip, sqr, s, add, dbl, proper

Defined Pair Symbols:

ACTIVE, TERMS, CONS, RECIP, SQR, S, ADD, DBL, FIRST, PROPER, TOP

Compound Symbols:

c14, c15, c17, c18, c19, c20, c21, c22, c23, c24, c25, c26, c27, c28, c29, c30, c31, c32, c33, c34, c35, c36, c4, c6, c1, c9, c10, c11, c12, c9, c10, c11, c12, c13, c13, c16, c16, c37, c37, c38, c38, c39, c39, c40, c40, c41, c41, c43, c43, c44, c44, c45, c45, c47, c47, c48

(67) CdtLeafRemovalProof (BOTH BOUNDS(ID, ID) transformation)

Removed 4 trailing nodes:

TOP(mark(0)) → c47(TOP(ok(0)))
TOP(ok(sqr(0))) → c48(TOP(mark(0)), ACTIVE(sqr(0)))
TOP(ok(dbl(0))) → c48(TOP(mark(0)), ACTIVE(dbl(0)))
TOP(mark(nil)) → c47(TOP(ok(nil)))

(68) Obligation:

Complexity Dependency Tuples Problem
Rules:

active(terms(z0)) → mark(cons(recip(sqr(z0)), terms(s(z0))))
active(sqr(0)) → mark(0)
active(sqr(s(z0))) → mark(s(add(sqr(z0), dbl(z0))))
active(dbl(0)) → mark(0)
active(dbl(s(z0))) → mark(s(s(dbl(z0))))
active(add(0, z0)) → mark(z0)
active(add(s(z0), z1)) → mark(s(add(z0, z1)))
active(first(0, z0)) → mark(nil)
active(first(s(z0), cons(z1, z2))) → mark(cons(z1, first(z0, z2)))
active(terms(z0)) → terms(active(z0))
active(cons(z0, z1)) → cons(active(z0), z1)
active(recip(z0)) → recip(active(z0))
active(sqr(z0)) → sqr(active(z0))
active(s(z0)) → s(active(z0))
active(add(z0, z1)) → add(active(z0), z1)
active(add(z0, z1)) → add(z0, active(z1))
active(dbl(z0)) → dbl(active(z0))
active(first(z0, z1)) → first(active(z0), z1)
active(first(z0, z1)) → first(z0, active(z1))
cons(ok(z0), ok(z1)) → ok(cons(z0, z1))
cons(mark(z0), z1) → mark(cons(z0, z1))
first(z0, mark(z1)) → mark(first(z0, z1))
first(mark(z0), z1) → mark(first(z0, z1))
first(ok(z0), ok(z1)) → ok(first(z0, z1))
terms(mark(z0)) → mark(terms(z0))
terms(ok(z0)) → ok(terms(z0))
recip(mark(z0)) → mark(recip(z0))
recip(ok(z0)) → ok(recip(z0))
sqr(mark(z0)) → mark(sqr(z0))
sqr(ok(z0)) → ok(sqr(z0))
s(mark(z0)) → mark(s(z0))
s(ok(z0)) → ok(s(z0))
add(mark(z0), z1) → mark(add(z0, z1))
add(ok(z0), ok(z1)) → ok(add(z0, z1))
add(z0, mark(z1)) → mark(add(z0, z1))
dbl(mark(z0)) → mark(dbl(z0))
dbl(ok(z0)) → ok(dbl(z0))
proper(terms(z0)) → terms(proper(z0))
proper(cons(z0, z1)) → cons(proper(z0), proper(z1))
proper(recip(z0)) → recip(proper(z0))
proper(sqr(z0)) → sqr(proper(z0))
proper(s(z0)) → s(proper(z0))
proper(0) → ok(0)
proper(add(z0, z1)) → add(proper(z0), proper(z1))
proper(dbl(z0)) → dbl(proper(z0))
proper(first(z0, z1)) → first(proper(z0), proper(z1))
proper(nil) → ok(nil)
Tuples:

ACTIVE(add(z0, z1)) → c14(ADD(active(z0), z1), ACTIVE(z0))
ACTIVE(add(z0, z1)) → c15(ADD(z0, active(z1)), ACTIVE(z1))
ACTIVE(first(z0, z1)) → c17(FIRST(active(z0), z1), ACTIVE(z0))
ACTIVE(first(z0, z1)) → c18(FIRST(z0, active(z1)), ACTIVE(z1))
TERMS(mark(z0)) → c19(TERMS(z0))
TERMS(ok(z0)) → c20(TERMS(z0))
CONS(mark(z0), z1) → c21(CONS(z0, z1))
CONS(ok(z0), ok(z1)) → c22(CONS(z0, z1))
RECIP(mark(z0)) → c23(RECIP(z0))
RECIP(ok(z0)) → c24(RECIP(z0))
SQR(mark(z0)) → c25(SQR(z0))
SQR(ok(z0)) → c26(SQR(z0))
S(mark(z0)) → c27(S(z0))
S(ok(z0)) → c28(S(z0))
ADD(mark(z0), z1) → c29(ADD(z0, z1))
ADD(z0, mark(z1)) → c30(ADD(z0, z1))
ADD(ok(z0), ok(z1)) → c31(ADD(z0, z1))
DBL(mark(z0)) → c32(DBL(z0))
DBL(ok(z0)) → c33(DBL(z0))
FIRST(mark(z0), z1) → c34(FIRST(z0, z1))
FIRST(z0, mark(z1)) → c35(FIRST(z0, z1))
FIRST(ok(z0), ok(z1)) → c36(FIRST(z0, z1))
ACTIVE(dbl(s(z0))) → c4(DBL(z0))
ACTIVE(add(s(z0), z1)) → c6(ADD(z0, z1))
ACTIVE(first(s(z0), cons(z1, z2))) → c1(CONS(z1, first(z0, z2)))
ACTIVE(first(s(z0), cons(z1, z2))) → c1(FIRST(z0, z2))
ACTIVE(terms(z0)) → c1(SQR(z0))
ACTIVE(terms(z0)) → c1(S(z0))
ACTIVE(sqr(s(z0))) → c1(SQR(z0))
ACTIVE(sqr(s(z0))) → c1(DBL(z0))
ACTIVE(terms(terms(z0))) → c9(TERMS(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(terms(sqr(s(z0)))) → c9(TERMS(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(terms(dbl(s(z0)))) → c9(TERMS(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(terms(add(0, z0))) → c9(TERMS(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(terms(add(s(z0), z1))) → c9(TERMS(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(terms(first(0, z0))) → c9(TERMS(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(terms(first(s(z0), cons(z1, z2)))) → c9(TERMS(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(terms(terms(z0))) → c9(TERMS(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(terms(cons(z0, z1))) → c9(TERMS(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(terms(recip(z0))) → c9(TERMS(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(terms(sqr(z0))) → c9(TERMS(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(terms(s(z0))) → c9(TERMS(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(terms(add(z0, z1))) → c9(TERMS(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(terms(add(z0, z1))) → c9(TERMS(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(terms(dbl(z0))) → c9(TERMS(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(terms(first(z0, z1))) → c9(TERMS(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(terms(first(z0, z1))) → c9(TERMS(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(cons(terms(z0), x1)) → c10(CONS(mark(cons(recip(sqr(z0)), terms(s(z0)))), x1), ACTIVE(terms(z0)))
ACTIVE(cons(sqr(s(z0)), x1)) → c10(CONS(mark(s(add(sqr(z0), dbl(z0)))), x1), ACTIVE(sqr(s(z0))))
ACTIVE(cons(dbl(s(z0)), x1)) → c10(CONS(mark(s(s(dbl(z0)))), x1), ACTIVE(dbl(s(z0))))
ACTIVE(cons(add(0, z0), x1)) → c10(CONS(mark(z0), x1), ACTIVE(add(0, z0)))
ACTIVE(cons(add(s(z0), z1), x1)) → c10(CONS(mark(s(add(z0, z1))), x1), ACTIVE(add(s(z0), z1)))
ACTIVE(cons(first(0, z0), x1)) → c10(CONS(mark(nil), x1), ACTIVE(first(0, z0)))
ACTIVE(cons(first(s(z0), cons(z1, z2)), x1)) → c10(CONS(mark(cons(z1, first(z0, z2))), x1), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(cons(terms(z0), x1)) → c10(CONS(terms(active(z0)), x1), ACTIVE(terms(z0)))
ACTIVE(cons(cons(z0, z1), x1)) → c10(CONS(cons(active(z0), z1), x1), ACTIVE(cons(z0, z1)))
ACTIVE(cons(recip(z0), x1)) → c10(CONS(recip(active(z0)), x1), ACTIVE(recip(z0)))
ACTIVE(cons(sqr(z0), x1)) → c10(CONS(sqr(active(z0)), x1), ACTIVE(sqr(z0)))
ACTIVE(cons(s(z0), x1)) → c10(CONS(s(active(z0)), x1), ACTIVE(s(z0)))
ACTIVE(cons(add(z0, z1), x1)) → c10(CONS(add(active(z0), z1), x1), ACTIVE(add(z0, z1)))
ACTIVE(cons(add(z0, z1), x1)) → c10(CONS(add(z0, active(z1)), x1), ACTIVE(add(z0, z1)))
ACTIVE(cons(dbl(z0), x1)) → c10(CONS(dbl(active(z0)), x1), ACTIVE(dbl(z0)))
ACTIVE(cons(first(z0, z1), x1)) → c10(CONS(first(active(z0), z1), x1), ACTIVE(first(z0, z1)))
ACTIVE(cons(first(z0, z1), x1)) → c10(CONS(first(z0, active(z1)), x1), ACTIVE(first(z0, z1)))
ACTIVE(recip(terms(z0))) → c11(RECIP(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(recip(sqr(s(z0)))) → c11(RECIP(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(recip(dbl(s(z0)))) → c11(RECIP(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(recip(add(0, z0))) → c11(RECIP(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(recip(add(s(z0), z1))) → c11(RECIP(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(recip(first(0, z0))) → c11(RECIP(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(recip(first(s(z0), cons(z1, z2)))) → c11(RECIP(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(recip(terms(z0))) → c11(RECIP(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(recip(cons(z0, z1))) → c11(RECIP(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(recip(recip(z0))) → c11(RECIP(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(recip(sqr(z0))) → c11(RECIP(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(recip(s(z0))) → c11(RECIP(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(recip(add(z0, z1))) → c11(RECIP(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(recip(add(z0, z1))) → c11(RECIP(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(recip(dbl(z0))) → c11(RECIP(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(recip(first(z0, z1))) → c11(RECIP(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(recip(first(z0, z1))) → c11(RECIP(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(sqr(terms(z0))) → c12(SQR(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(sqr(sqr(s(z0)))) → c12(SQR(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(sqr(dbl(s(z0)))) → c12(SQR(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(sqr(add(0, z0))) → c12(SQR(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(sqr(add(s(z0), z1))) → c12(SQR(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(sqr(first(0, z0))) → c12(SQR(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(sqr(first(s(z0), cons(z1, z2)))) → c12(SQR(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(sqr(terms(z0))) → c12(SQR(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(sqr(cons(z0, z1))) → c12(SQR(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(sqr(recip(z0))) → c12(SQR(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(sqr(sqr(z0))) → c12(SQR(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(sqr(s(z0))) → c12(SQR(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(sqr(add(z0, z1))) → c12(SQR(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(sqr(add(z0, z1))) → c12(SQR(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(sqr(dbl(z0))) → c12(SQR(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(sqr(first(z0, z1))) → c12(SQR(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(sqr(first(z0, z1))) → c12(SQR(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(terms(sqr(0))) → c9(TERMS(mark(0)))
ACTIVE(cons(sqr(0), x1)) → c10(CONS(mark(0), x1))
ACTIVE(recip(sqr(0))) → c11(RECIP(mark(0)))
ACTIVE(sqr(sqr(0))) → c12(SQR(mark(0)))
ACTIVE(s(terms(z0))) → c13(S(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(s(sqr(s(z0)))) → c13(S(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(s(dbl(s(z0)))) → c13(S(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(s(add(0, z0))) → c13(S(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(s(add(s(z0), z1))) → c13(S(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(s(first(0, z0))) → c13(S(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(s(first(s(z0), cons(z1, z2)))) → c13(S(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(s(terms(z0))) → c13(S(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(s(cons(z0, z1))) → c13(S(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(s(recip(z0))) → c13(S(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(s(sqr(z0))) → c13(S(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(s(s(z0))) → c13(S(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(s(add(z0, z1))) → c13(S(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(s(add(z0, z1))) → c13(S(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(s(dbl(z0))) → c13(S(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(s(first(z0, z1))) → c13(S(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(s(first(z0, z1))) → c13(S(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(s(sqr(0))) → c13(S(mark(0)))
ACTIVE(dbl(terms(z0))) → c16(DBL(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(dbl(sqr(s(z0)))) → c16(DBL(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(dbl(dbl(s(z0)))) → c16(DBL(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(dbl(add(0, z0))) → c16(DBL(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(dbl(add(s(z0), z1))) → c16(DBL(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(dbl(first(0, z0))) → c16(DBL(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(dbl(first(s(z0), cons(z1, z2)))) → c16(DBL(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(dbl(terms(z0))) → c16(DBL(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(dbl(cons(z0, z1))) → c16(DBL(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(dbl(recip(z0))) → c16(DBL(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(dbl(sqr(z0))) → c16(DBL(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(dbl(s(z0))) → c16(DBL(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(dbl(add(z0, z1))) → c16(DBL(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(dbl(add(z0, z1))) → c16(DBL(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(dbl(dbl(z0))) → c16(DBL(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(dbl(first(z0, z1))) → c16(DBL(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(dbl(first(z0, z1))) → c16(DBL(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(terms(dbl(0))) → c9(TERMS(mark(0)))
ACTIVE(cons(dbl(0), x1)) → c10(CONS(mark(0), x1))
ACTIVE(recip(dbl(0))) → c11(RECIP(mark(0)))
ACTIVE(sqr(dbl(0))) → c12(SQR(mark(0)))
ACTIVE(s(dbl(0))) → c13(S(mark(0)))
ACTIVE(dbl(sqr(0))) → c16(DBL(mark(0)))
ACTIVE(dbl(dbl(0))) → c16(DBL(mark(0)))
PROPER(terms(terms(z0))) → c37(TERMS(terms(proper(z0))), PROPER(terms(z0)))
PROPER(terms(cons(z0, z1))) → c37(TERMS(cons(proper(z0), proper(z1))), PROPER(cons(z0, z1)))
PROPER(terms(recip(z0))) → c37(TERMS(recip(proper(z0))), PROPER(recip(z0)))
PROPER(terms(sqr(z0))) → c37(TERMS(sqr(proper(z0))), PROPER(sqr(z0)))
PROPER(terms(s(z0))) → c37(TERMS(s(proper(z0))), PROPER(s(z0)))
PROPER(terms(add(z0, z1))) → c37(TERMS(add(proper(z0), proper(z1))), PROPER(add(z0, z1)))
PROPER(terms(dbl(z0))) → c37(TERMS(dbl(proper(z0))), PROPER(dbl(z0)))
PROPER(terms(first(z0, z1))) → c37(TERMS(first(proper(z0), proper(z1))), PROPER(first(z0, z1)))
PROPER(terms(0)) → c37(TERMS(ok(0)))
PROPER(terms(nil)) → c37(TERMS(ok(nil)))
PROPER(cons(x0, terms(z0))) → c38(CONS(proper(x0), terms(proper(z0))), PROPER(x0), PROPER(terms(z0)))
PROPER(cons(x0, cons(z0, z1))) → c38(CONS(proper(x0), cons(proper(z0), proper(z1))), PROPER(x0), PROPER(cons(z0, z1)))
PROPER(cons(x0, recip(z0))) → c38(CONS(proper(x0), recip(proper(z0))), PROPER(x0), PROPER(recip(z0)))
PROPER(cons(x0, sqr(z0))) → c38(CONS(proper(x0), sqr(proper(z0))), PROPER(x0), PROPER(sqr(z0)))
PROPER(cons(x0, s(z0))) → c38(CONS(proper(x0), s(proper(z0))), PROPER(x0), PROPER(s(z0)))
PROPER(cons(x0, add(z0, z1))) → c38(CONS(proper(x0), add(proper(z0), proper(z1))), PROPER(x0), PROPER(add(z0, z1)))
PROPER(cons(x0, dbl(z0))) → c38(CONS(proper(x0), dbl(proper(z0))), PROPER(x0), PROPER(dbl(z0)))
PROPER(cons(x0, first(z0, z1))) → c38(CONS(proper(x0), first(proper(z0), proper(z1))), PROPER(x0), PROPER(first(z0, z1)))
PROPER(cons(terms(z0), x1)) → c38(CONS(terms(proper(z0)), proper(x1)), PROPER(terms(z0)), PROPER(x1))
PROPER(cons(cons(z0, z1), x1)) → c38(CONS(cons(proper(z0), proper(z1)), proper(x1)), PROPER(cons(z0, z1)), PROPER(x1))
PROPER(cons(recip(z0), x1)) → c38(CONS(recip(proper(z0)), proper(x1)), PROPER(recip(z0)), PROPER(x1))
PROPER(cons(sqr(z0), x1)) → c38(CONS(sqr(proper(z0)), proper(x1)), PROPER(sqr(z0)), PROPER(x1))
PROPER(cons(s(z0), x1)) → c38(CONS(s(proper(z0)), proper(x1)), PROPER(s(z0)), PROPER(x1))
PROPER(cons(add(z0, z1), x1)) → c38(CONS(add(proper(z0), proper(z1)), proper(x1)), PROPER(add(z0, z1)), PROPER(x1))
PROPER(cons(dbl(z0), x1)) → c38(CONS(dbl(proper(z0)), proper(x1)), PROPER(dbl(z0)), PROPER(x1))
PROPER(cons(first(z0, z1), x1)) → c38(CONS(first(proper(z0), proper(z1)), proper(x1)), PROPER(first(z0, z1)), PROPER(x1))
PROPER(cons(x0, 0)) → c38(CONS(proper(x0), ok(0)), PROPER(x0))
PROPER(cons(x0, nil)) → c38(CONS(proper(x0), ok(nil)), PROPER(x0))
PROPER(cons(0, x1)) → c38(CONS(ok(0), proper(x1)), PROPER(x1))
PROPER(cons(nil, x1)) → c38(CONS(ok(nil), proper(x1)), PROPER(x1))
PROPER(recip(terms(z0))) → c39(RECIP(terms(proper(z0))), PROPER(terms(z0)))
PROPER(recip(cons(z0, z1))) → c39(RECIP(cons(proper(z0), proper(z1))), PROPER(cons(z0, z1)))
PROPER(recip(recip(z0))) → c39(RECIP(recip(proper(z0))), PROPER(recip(z0)))
PROPER(recip(sqr(z0))) → c39(RECIP(sqr(proper(z0))), PROPER(sqr(z0)))
PROPER(recip(s(z0))) → c39(RECIP(s(proper(z0))), PROPER(s(z0)))
PROPER(recip(add(z0, z1))) → c39(RECIP(add(proper(z0), proper(z1))), PROPER(add(z0, z1)))
PROPER(recip(dbl(z0))) → c39(RECIP(dbl(proper(z0))), PROPER(dbl(z0)))
PROPER(recip(first(z0, z1))) → c39(RECIP(first(proper(z0), proper(z1))), PROPER(first(z0, z1)))
PROPER(recip(0)) → c39(RECIP(ok(0)))
PROPER(recip(nil)) → c39(RECIP(ok(nil)))
PROPER(sqr(terms(z0))) → c40(SQR(terms(proper(z0))), PROPER(terms(z0)))
PROPER(sqr(cons(z0, z1))) → c40(SQR(cons(proper(z0), proper(z1))), PROPER(cons(z0, z1)))
PROPER(sqr(recip(z0))) → c40(SQR(recip(proper(z0))), PROPER(recip(z0)))
PROPER(sqr(sqr(z0))) → c40(SQR(sqr(proper(z0))), PROPER(sqr(z0)))
PROPER(sqr(s(z0))) → c40(SQR(s(proper(z0))), PROPER(s(z0)))
PROPER(sqr(add(z0, z1))) → c40(SQR(add(proper(z0), proper(z1))), PROPER(add(z0, z1)))
PROPER(sqr(dbl(z0))) → c40(SQR(dbl(proper(z0))), PROPER(dbl(z0)))
PROPER(sqr(first(z0, z1))) → c40(SQR(first(proper(z0), proper(z1))), PROPER(first(z0, z1)))
PROPER(sqr(0)) → c40(SQR(ok(0)))
PROPER(sqr(nil)) → c40(SQR(ok(nil)))
PROPER(s(terms(z0))) → c41(S(terms(proper(z0))), PROPER(terms(z0)))
PROPER(s(cons(z0, z1))) → c41(S(cons(proper(z0), proper(z1))), PROPER(cons(z0, z1)))
PROPER(s(recip(z0))) → c41(S(recip(proper(z0))), PROPER(recip(z0)))
PROPER(s(sqr(z0))) → c41(S(sqr(proper(z0))), PROPER(sqr(z0)))
PROPER(s(s(z0))) → c41(S(s(proper(z0))), PROPER(s(z0)))
PROPER(s(add(z0, z1))) → c41(S(add(proper(z0), proper(z1))), PROPER(add(z0, z1)))
PROPER(s(dbl(z0))) → c41(S(dbl(proper(z0))), PROPER(dbl(z0)))
PROPER(s(first(z0, z1))) → c41(S(first(proper(z0), proper(z1))), PROPER(first(z0, z1)))
PROPER(s(0)) → c41(S(ok(0)))
PROPER(s(nil)) → c41(S(ok(nil)))
PROPER(add(x0, terms(z0))) → c43(ADD(proper(x0), terms(proper(z0))), PROPER(x0), PROPER(terms(z0)))
PROPER(add(x0, cons(z0, z1))) → c43(ADD(proper(x0), cons(proper(z0), proper(z1))), PROPER(x0), PROPER(cons(z0, z1)))
PROPER(add(x0, recip(z0))) → c43(ADD(proper(x0), recip(proper(z0))), PROPER(x0), PROPER(recip(z0)))
PROPER(add(x0, sqr(z0))) → c43(ADD(proper(x0), sqr(proper(z0))), PROPER(x0), PROPER(sqr(z0)))
PROPER(add(x0, s(z0))) → c43(ADD(proper(x0), s(proper(z0))), PROPER(x0), PROPER(s(z0)))
PROPER(add(x0, add(z0, z1))) → c43(ADD(proper(x0), add(proper(z0), proper(z1))), PROPER(x0), PROPER(add(z0, z1)))
PROPER(add(x0, dbl(z0))) → c43(ADD(proper(x0), dbl(proper(z0))), PROPER(x0), PROPER(dbl(z0)))
PROPER(add(x0, first(z0, z1))) → c43(ADD(proper(x0), first(proper(z0), proper(z1))), PROPER(x0), PROPER(first(z0, z1)))
PROPER(add(terms(z0), x1)) → c43(ADD(terms(proper(z0)), proper(x1)), PROPER(terms(z0)), PROPER(x1))
PROPER(add(cons(z0, z1), x1)) → c43(ADD(cons(proper(z0), proper(z1)), proper(x1)), PROPER(cons(z0, z1)), PROPER(x1))
PROPER(add(recip(z0), x1)) → c43(ADD(recip(proper(z0)), proper(x1)), PROPER(recip(z0)), PROPER(x1))
PROPER(add(sqr(z0), x1)) → c43(ADD(sqr(proper(z0)), proper(x1)), PROPER(sqr(z0)), PROPER(x1))
PROPER(add(s(z0), x1)) → c43(ADD(s(proper(z0)), proper(x1)), PROPER(s(z0)), PROPER(x1))
PROPER(add(add(z0, z1), x1)) → c43(ADD(add(proper(z0), proper(z1)), proper(x1)), PROPER(add(z0, z1)), PROPER(x1))
PROPER(add(dbl(z0), x1)) → c43(ADD(dbl(proper(z0)), proper(x1)), PROPER(dbl(z0)), PROPER(x1))
PROPER(add(first(z0, z1), x1)) → c43(ADD(first(proper(z0), proper(z1)), proper(x1)), PROPER(first(z0, z1)), PROPER(x1))
PROPER(add(x0, 0)) → c43(ADD(proper(x0), ok(0)), PROPER(x0))
PROPER(add(x0, nil)) → c43(ADD(proper(x0), ok(nil)), PROPER(x0))
PROPER(add(0, x1)) → c43(ADD(ok(0), proper(x1)), PROPER(x1))
PROPER(add(nil, x1)) → c43(ADD(ok(nil), proper(x1)), PROPER(x1))
PROPER(dbl(terms(z0))) → c44(DBL(terms(proper(z0))), PROPER(terms(z0)))
PROPER(dbl(cons(z0, z1))) → c44(DBL(cons(proper(z0), proper(z1))), PROPER(cons(z0, z1)))
PROPER(dbl(recip(z0))) → c44(DBL(recip(proper(z0))), PROPER(recip(z0)))
PROPER(dbl(sqr(z0))) → c44(DBL(sqr(proper(z0))), PROPER(sqr(z0)))
PROPER(dbl(s(z0))) → c44(DBL(s(proper(z0))), PROPER(s(z0)))
PROPER(dbl(add(z0, z1))) → c44(DBL(add(proper(z0), proper(z1))), PROPER(add(z0, z1)))
PROPER(dbl(dbl(z0))) → c44(DBL(dbl(proper(z0))), PROPER(dbl(z0)))
PROPER(dbl(first(z0, z1))) → c44(DBL(first(proper(z0), proper(z1))), PROPER(first(z0, z1)))
PROPER(dbl(0)) → c44(DBL(ok(0)))
PROPER(dbl(nil)) → c44(DBL(ok(nil)))
PROPER(first(x0, terms(z0))) → c45(FIRST(proper(x0), terms(proper(z0))), PROPER(x0), PROPER(terms(z0)))
PROPER(first(x0, cons(z0, z1))) → c45(FIRST(proper(x0), cons(proper(z0), proper(z1))), PROPER(x0), PROPER(cons(z0, z1)))
PROPER(first(x0, recip(z0))) → c45(FIRST(proper(x0), recip(proper(z0))), PROPER(x0), PROPER(recip(z0)))
PROPER(first(x0, sqr(z0))) → c45(FIRST(proper(x0), sqr(proper(z0))), PROPER(x0), PROPER(sqr(z0)))
PROPER(first(x0, s(z0))) → c45(FIRST(proper(x0), s(proper(z0))), PROPER(x0), PROPER(s(z0)))
PROPER(first(x0, add(z0, z1))) → c45(FIRST(proper(x0), add(proper(z0), proper(z1))), PROPER(x0), PROPER(add(z0, z1)))
PROPER(first(x0, dbl(z0))) → c45(FIRST(proper(x0), dbl(proper(z0))), PROPER(x0), PROPER(dbl(z0)))
PROPER(first(x0, first(z0, z1))) → c45(FIRST(proper(x0), first(proper(z0), proper(z1))), PROPER(x0), PROPER(first(z0, z1)))
PROPER(first(terms(z0), x1)) → c45(FIRST(terms(proper(z0)), proper(x1)), PROPER(terms(z0)), PROPER(x1))
PROPER(first(cons(z0, z1), x1)) → c45(FIRST(cons(proper(z0), proper(z1)), proper(x1)), PROPER(cons(z0, z1)), PROPER(x1))
PROPER(first(recip(z0), x1)) → c45(FIRST(recip(proper(z0)), proper(x1)), PROPER(recip(z0)), PROPER(x1))
PROPER(first(sqr(z0), x1)) → c45(FIRST(sqr(proper(z0)), proper(x1)), PROPER(sqr(z0)), PROPER(x1))
PROPER(first(s(z0), x1)) → c45(FIRST(s(proper(z0)), proper(x1)), PROPER(s(z0)), PROPER(x1))
PROPER(first(add(z0, z1), x1)) → c45(FIRST(add(proper(z0), proper(z1)), proper(x1)), PROPER(add(z0, z1)), PROPER(x1))
PROPER(first(dbl(z0), x1)) → c45(FIRST(dbl(proper(z0)), proper(x1)), PROPER(dbl(z0)), PROPER(x1))
PROPER(first(first(z0, z1), x1)) → c45(FIRST(first(proper(z0), proper(z1)), proper(x1)), PROPER(first(z0, z1)), PROPER(x1))
PROPER(first(x0, 0)) → c45(FIRST(proper(x0), ok(0)), PROPER(x0))
PROPER(first(x0, nil)) → c45(FIRST(proper(x0), ok(nil)), PROPER(x0))
PROPER(first(0, x1)) → c45(FIRST(ok(0), proper(x1)), PROPER(x1))
PROPER(first(nil, x1)) → c45(FIRST(ok(nil), proper(x1)), PROPER(x1))
TOP(mark(terms(z0))) → c47(TOP(terms(proper(z0))), PROPER(terms(z0)))
TOP(mark(cons(z0, z1))) → c47(TOP(cons(proper(z0), proper(z1))), PROPER(cons(z0, z1)))
TOP(mark(recip(z0))) → c47(TOP(recip(proper(z0))), PROPER(recip(z0)))
TOP(mark(sqr(z0))) → c47(TOP(sqr(proper(z0))), PROPER(sqr(z0)))
TOP(mark(s(z0))) → c47(TOP(s(proper(z0))), PROPER(s(z0)))
TOP(mark(add(z0, z1))) → c47(TOP(add(proper(z0), proper(z1))), PROPER(add(z0, z1)))
TOP(mark(dbl(z0))) → c47(TOP(dbl(proper(z0))), PROPER(dbl(z0)))
TOP(mark(first(z0, z1))) → c47(TOP(first(proper(z0), proper(z1))), PROPER(first(z0, z1)))
TOP(ok(terms(z0))) → c48(TOP(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
TOP(ok(sqr(s(z0)))) → c48(TOP(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
TOP(ok(dbl(s(z0)))) → c48(TOP(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
TOP(ok(add(0, z0))) → c48(TOP(mark(z0)), ACTIVE(add(0, z0)))
TOP(ok(add(s(z0), z1))) → c48(TOP(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
TOP(ok(first(0, z0))) → c48(TOP(mark(nil)), ACTIVE(first(0, z0)))
TOP(ok(first(s(z0), cons(z1, z2)))) → c48(TOP(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
TOP(ok(terms(z0))) → c48(TOP(terms(active(z0))), ACTIVE(terms(z0)))
TOP(ok(cons(z0, z1))) → c48(TOP(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
TOP(ok(recip(z0))) → c48(TOP(recip(active(z0))), ACTIVE(recip(z0)))
TOP(ok(sqr(z0))) → c48(TOP(sqr(active(z0))), ACTIVE(sqr(z0)))
TOP(ok(s(z0))) → c48(TOP(s(active(z0))), ACTIVE(s(z0)))
TOP(ok(add(z0, z1))) → c48(TOP(add(active(z0), z1)), ACTIVE(add(z0, z1)))
TOP(ok(add(z0, z1))) → c48(TOP(add(z0, active(z1))), ACTIVE(add(z0, z1)))
TOP(ok(dbl(z0))) → c48(TOP(dbl(active(z0))), ACTIVE(dbl(z0)))
TOP(ok(first(z0, z1))) → c48(TOP(first(active(z0), z1)), ACTIVE(first(z0, z1)))
TOP(ok(first(z0, z1))) → c48(TOP(first(z0, active(z1))), ACTIVE(first(z0, z1)))
S tuples:

ACTIVE(add(z0, z1)) → c14(ADD(active(z0), z1), ACTIVE(z0))
ACTIVE(add(z0, z1)) → c15(ADD(z0, active(z1)), ACTIVE(z1))
ACTIVE(first(z0, z1)) → c17(FIRST(active(z0), z1), ACTIVE(z0))
ACTIVE(first(z0, z1)) → c18(FIRST(z0, active(z1)), ACTIVE(z1))
TERMS(mark(z0)) → c19(TERMS(z0))
TERMS(ok(z0)) → c20(TERMS(z0))
CONS(mark(z0), z1) → c21(CONS(z0, z1))
CONS(ok(z0), ok(z1)) → c22(CONS(z0, z1))
RECIP(mark(z0)) → c23(RECIP(z0))
RECIP(ok(z0)) → c24(RECIP(z0))
SQR(mark(z0)) → c25(SQR(z0))
SQR(ok(z0)) → c26(SQR(z0))
S(mark(z0)) → c27(S(z0))
S(ok(z0)) → c28(S(z0))
ADD(mark(z0), z1) → c29(ADD(z0, z1))
ADD(z0, mark(z1)) → c30(ADD(z0, z1))
ADD(ok(z0), ok(z1)) → c31(ADD(z0, z1))
DBL(mark(z0)) → c32(DBL(z0))
DBL(ok(z0)) → c33(DBL(z0))
FIRST(mark(z0), z1) → c34(FIRST(z0, z1))
FIRST(z0, mark(z1)) → c35(FIRST(z0, z1))
FIRST(ok(z0), ok(z1)) → c36(FIRST(z0, z1))
ACTIVE(dbl(s(z0))) → c4(DBL(z0))
ACTIVE(add(s(z0), z1)) → c6(ADD(z0, z1))
ACTIVE(first(s(z0), cons(z1, z2))) → c1(CONS(z1, first(z0, z2)))
ACTIVE(first(s(z0), cons(z1, z2))) → c1(FIRST(z0, z2))
ACTIVE(terms(z0)) → c1(SQR(z0))
ACTIVE(terms(z0)) → c1(S(z0))
ACTIVE(sqr(s(z0))) → c1(SQR(z0))
ACTIVE(sqr(s(z0))) → c1(DBL(z0))
ACTIVE(terms(terms(z0))) → c9(TERMS(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(terms(sqr(s(z0)))) → c9(TERMS(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(terms(dbl(s(z0)))) → c9(TERMS(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(terms(add(0, z0))) → c9(TERMS(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(terms(add(s(z0), z1))) → c9(TERMS(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(terms(first(0, z0))) → c9(TERMS(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(terms(first(s(z0), cons(z1, z2)))) → c9(TERMS(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(terms(terms(z0))) → c9(TERMS(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(terms(cons(z0, z1))) → c9(TERMS(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(terms(recip(z0))) → c9(TERMS(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(terms(sqr(z0))) → c9(TERMS(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(terms(s(z0))) → c9(TERMS(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(terms(add(z0, z1))) → c9(TERMS(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(terms(add(z0, z1))) → c9(TERMS(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(terms(dbl(z0))) → c9(TERMS(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(terms(first(z0, z1))) → c9(TERMS(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(terms(first(z0, z1))) → c9(TERMS(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(cons(terms(z0), x1)) → c10(CONS(mark(cons(recip(sqr(z0)), terms(s(z0)))), x1), ACTIVE(terms(z0)))
ACTIVE(cons(sqr(s(z0)), x1)) → c10(CONS(mark(s(add(sqr(z0), dbl(z0)))), x1), ACTIVE(sqr(s(z0))))
ACTIVE(cons(dbl(s(z0)), x1)) → c10(CONS(mark(s(s(dbl(z0)))), x1), ACTIVE(dbl(s(z0))))
ACTIVE(cons(add(0, z0), x1)) → c10(CONS(mark(z0), x1), ACTIVE(add(0, z0)))
ACTIVE(cons(add(s(z0), z1), x1)) → c10(CONS(mark(s(add(z0, z1))), x1), ACTIVE(add(s(z0), z1)))
ACTIVE(cons(first(0, z0), x1)) → c10(CONS(mark(nil), x1), ACTIVE(first(0, z0)))
ACTIVE(cons(first(s(z0), cons(z1, z2)), x1)) → c10(CONS(mark(cons(z1, first(z0, z2))), x1), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(cons(terms(z0), x1)) → c10(CONS(terms(active(z0)), x1), ACTIVE(terms(z0)))
ACTIVE(cons(cons(z0, z1), x1)) → c10(CONS(cons(active(z0), z1), x1), ACTIVE(cons(z0, z1)))
ACTIVE(cons(recip(z0), x1)) → c10(CONS(recip(active(z0)), x1), ACTIVE(recip(z0)))
ACTIVE(cons(sqr(z0), x1)) → c10(CONS(sqr(active(z0)), x1), ACTIVE(sqr(z0)))
ACTIVE(cons(s(z0), x1)) → c10(CONS(s(active(z0)), x1), ACTIVE(s(z0)))
ACTIVE(cons(add(z0, z1), x1)) → c10(CONS(add(active(z0), z1), x1), ACTIVE(add(z0, z1)))
ACTIVE(cons(add(z0, z1), x1)) → c10(CONS(add(z0, active(z1)), x1), ACTIVE(add(z0, z1)))
ACTIVE(cons(dbl(z0), x1)) → c10(CONS(dbl(active(z0)), x1), ACTIVE(dbl(z0)))
ACTIVE(cons(first(z0, z1), x1)) → c10(CONS(first(active(z0), z1), x1), ACTIVE(first(z0, z1)))
ACTIVE(cons(first(z0, z1), x1)) → c10(CONS(first(z0, active(z1)), x1), ACTIVE(first(z0, z1)))
ACTIVE(recip(terms(z0))) → c11(RECIP(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(recip(sqr(s(z0)))) → c11(RECIP(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(recip(dbl(s(z0)))) → c11(RECIP(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(recip(add(0, z0))) → c11(RECIP(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(recip(add(s(z0), z1))) → c11(RECIP(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(recip(first(0, z0))) → c11(RECIP(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(recip(first(s(z0), cons(z1, z2)))) → c11(RECIP(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(recip(terms(z0))) → c11(RECIP(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(recip(cons(z0, z1))) → c11(RECIP(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(recip(recip(z0))) → c11(RECIP(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(recip(sqr(z0))) → c11(RECIP(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(recip(s(z0))) → c11(RECIP(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(recip(add(z0, z1))) → c11(RECIP(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(recip(add(z0, z1))) → c11(RECIP(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(recip(dbl(z0))) → c11(RECIP(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(recip(first(z0, z1))) → c11(RECIP(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(recip(first(z0, z1))) → c11(RECIP(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(sqr(terms(z0))) → c12(SQR(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(sqr(sqr(s(z0)))) → c12(SQR(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(sqr(dbl(s(z0)))) → c12(SQR(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(sqr(add(0, z0))) → c12(SQR(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(sqr(add(s(z0), z1))) → c12(SQR(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(sqr(first(0, z0))) → c12(SQR(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(sqr(first(s(z0), cons(z1, z2)))) → c12(SQR(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(sqr(terms(z0))) → c12(SQR(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(sqr(cons(z0, z1))) → c12(SQR(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(sqr(recip(z0))) → c12(SQR(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(sqr(sqr(z0))) → c12(SQR(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(sqr(s(z0))) → c12(SQR(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(sqr(add(z0, z1))) → c12(SQR(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(sqr(add(z0, z1))) → c12(SQR(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(sqr(dbl(z0))) → c12(SQR(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(sqr(first(z0, z1))) → c12(SQR(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(sqr(first(z0, z1))) → c12(SQR(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(terms(sqr(0))) → c9(TERMS(mark(0)))
ACTIVE(cons(sqr(0), x1)) → c10(CONS(mark(0), x1))
ACTIVE(recip(sqr(0))) → c11(RECIP(mark(0)))
ACTIVE(sqr(sqr(0))) → c12(SQR(mark(0)))
ACTIVE(s(terms(z0))) → c13(S(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(s(sqr(s(z0)))) → c13(S(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(s(dbl(s(z0)))) → c13(S(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(s(add(0, z0))) → c13(S(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(s(add(s(z0), z1))) → c13(S(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(s(first(0, z0))) → c13(S(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(s(first(s(z0), cons(z1, z2)))) → c13(S(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(s(terms(z0))) → c13(S(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(s(cons(z0, z1))) → c13(S(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(s(recip(z0))) → c13(S(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(s(sqr(z0))) → c13(S(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(s(s(z0))) → c13(S(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(s(add(z0, z1))) → c13(S(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(s(add(z0, z1))) → c13(S(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(s(dbl(z0))) → c13(S(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(s(first(z0, z1))) → c13(S(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(s(first(z0, z1))) → c13(S(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(s(sqr(0))) → c13(S(mark(0)))
ACTIVE(dbl(terms(z0))) → c16(DBL(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(dbl(sqr(s(z0)))) → c16(DBL(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(dbl(dbl(s(z0)))) → c16(DBL(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(dbl(add(0, z0))) → c16(DBL(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(dbl(add(s(z0), z1))) → c16(DBL(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(dbl(first(0, z0))) → c16(DBL(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(dbl(first(s(z0), cons(z1, z2)))) → c16(DBL(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(dbl(terms(z0))) → c16(DBL(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(dbl(cons(z0, z1))) → c16(DBL(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(dbl(recip(z0))) → c16(DBL(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(dbl(sqr(z0))) → c16(DBL(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(dbl(s(z0))) → c16(DBL(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(dbl(add(z0, z1))) → c16(DBL(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(dbl(add(z0, z1))) → c16(DBL(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(dbl(dbl(z0))) → c16(DBL(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(dbl(first(z0, z1))) → c16(DBL(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(dbl(first(z0, z1))) → c16(DBL(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(terms(dbl(0))) → c9(TERMS(mark(0)))
ACTIVE(cons(dbl(0), x1)) → c10(CONS(mark(0), x1))
ACTIVE(recip(dbl(0))) → c11(RECIP(mark(0)))
ACTIVE(sqr(dbl(0))) → c12(SQR(mark(0)))
ACTIVE(s(dbl(0))) → c13(S(mark(0)))
ACTIVE(dbl(sqr(0))) → c16(DBL(mark(0)))
ACTIVE(dbl(dbl(0))) → c16(DBL(mark(0)))
PROPER(terms(terms(z0))) → c37(TERMS(terms(proper(z0))), PROPER(terms(z0)))
PROPER(terms(cons(z0, z1))) → c37(TERMS(cons(proper(z0), proper(z1))), PROPER(cons(z0, z1)))
PROPER(terms(recip(z0))) → c37(TERMS(recip(proper(z0))), PROPER(recip(z0)))
PROPER(terms(sqr(z0))) → c37(TERMS(sqr(proper(z0))), PROPER(sqr(z0)))
PROPER(terms(s(z0))) → c37(TERMS(s(proper(z0))), PROPER(s(z0)))
PROPER(terms(add(z0, z1))) → c37(TERMS(add(proper(z0), proper(z1))), PROPER(add(z0, z1)))
PROPER(terms(dbl(z0))) → c37(TERMS(dbl(proper(z0))), PROPER(dbl(z0)))
PROPER(terms(first(z0, z1))) → c37(TERMS(first(proper(z0), proper(z1))), PROPER(first(z0, z1)))
PROPER(terms(0)) → c37(TERMS(ok(0)))
PROPER(terms(nil)) → c37(TERMS(ok(nil)))
PROPER(cons(x0, terms(z0))) → c38(CONS(proper(x0), terms(proper(z0))), PROPER(x0), PROPER(terms(z0)))
PROPER(cons(x0, cons(z0, z1))) → c38(CONS(proper(x0), cons(proper(z0), proper(z1))), PROPER(x0), PROPER(cons(z0, z1)))
PROPER(cons(x0, recip(z0))) → c38(CONS(proper(x0), recip(proper(z0))), PROPER(x0), PROPER(recip(z0)))
PROPER(cons(x0, sqr(z0))) → c38(CONS(proper(x0), sqr(proper(z0))), PROPER(x0), PROPER(sqr(z0)))
PROPER(cons(x0, s(z0))) → c38(CONS(proper(x0), s(proper(z0))), PROPER(x0), PROPER(s(z0)))
PROPER(cons(x0, add(z0, z1))) → c38(CONS(proper(x0), add(proper(z0), proper(z1))), PROPER(x0), PROPER(add(z0, z1)))
PROPER(cons(x0, dbl(z0))) → c38(CONS(proper(x0), dbl(proper(z0))), PROPER(x0), PROPER(dbl(z0)))
PROPER(cons(x0, first(z0, z1))) → c38(CONS(proper(x0), first(proper(z0), proper(z1))), PROPER(x0), PROPER(first(z0, z1)))
PROPER(cons(terms(z0), x1)) → c38(CONS(terms(proper(z0)), proper(x1)), PROPER(terms(z0)), PROPER(x1))
PROPER(cons(cons(z0, z1), x1)) → c38(CONS(cons(proper(z0), proper(z1)), proper(x1)), PROPER(cons(z0, z1)), PROPER(x1))
PROPER(cons(recip(z0), x1)) → c38(CONS(recip(proper(z0)), proper(x1)), PROPER(recip(z0)), PROPER(x1))
PROPER(cons(sqr(z0), x1)) → c38(CONS(sqr(proper(z0)), proper(x1)), PROPER(sqr(z0)), PROPER(x1))
PROPER(cons(s(z0), x1)) → c38(CONS(s(proper(z0)), proper(x1)), PROPER(s(z0)), PROPER(x1))
PROPER(cons(add(z0, z1), x1)) → c38(CONS(add(proper(z0), proper(z1)), proper(x1)), PROPER(add(z0, z1)), PROPER(x1))
PROPER(cons(dbl(z0), x1)) → c38(CONS(dbl(proper(z0)), proper(x1)), PROPER(dbl(z0)), PROPER(x1))
PROPER(cons(first(z0, z1), x1)) → c38(CONS(first(proper(z0), proper(z1)), proper(x1)), PROPER(first(z0, z1)), PROPER(x1))
PROPER(cons(x0, 0)) → c38(CONS(proper(x0), ok(0)), PROPER(x0))
PROPER(cons(x0, nil)) → c38(CONS(proper(x0), ok(nil)), PROPER(x0))
PROPER(cons(0, x1)) → c38(CONS(ok(0), proper(x1)), PROPER(x1))
PROPER(cons(nil, x1)) → c38(CONS(ok(nil), proper(x1)), PROPER(x1))
PROPER(recip(terms(z0))) → c39(RECIP(terms(proper(z0))), PROPER(terms(z0)))
PROPER(recip(cons(z0, z1))) → c39(RECIP(cons(proper(z0), proper(z1))), PROPER(cons(z0, z1)))
PROPER(recip(recip(z0))) → c39(RECIP(recip(proper(z0))), PROPER(recip(z0)))
PROPER(recip(sqr(z0))) → c39(RECIP(sqr(proper(z0))), PROPER(sqr(z0)))
PROPER(recip(s(z0))) → c39(RECIP(s(proper(z0))), PROPER(s(z0)))
PROPER(recip(add(z0, z1))) → c39(RECIP(add(proper(z0), proper(z1))), PROPER(add(z0, z1)))
PROPER(recip(dbl(z0))) → c39(RECIP(dbl(proper(z0))), PROPER(dbl(z0)))
PROPER(recip(first(z0, z1))) → c39(RECIP(first(proper(z0), proper(z1))), PROPER(first(z0, z1)))
PROPER(recip(0)) → c39(RECIP(ok(0)))
PROPER(recip(nil)) → c39(RECIP(ok(nil)))
PROPER(sqr(terms(z0))) → c40(SQR(terms(proper(z0))), PROPER(terms(z0)))
PROPER(sqr(cons(z0, z1))) → c40(SQR(cons(proper(z0), proper(z1))), PROPER(cons(z0, z1)))
PROPER(sqr(recip(z0))) → c40(SQR(recip(proper(z0))), PROPER(recip(z0)))
PROPER(sqr(sqr(z0))) → c40(SQR(sqr(proper(z0))), PROPER(sqr(z0)))
PROPER(sqr(s(z0))) → c40(SQR(s(proper(z0))), PROPER(s(z0)))
PROPER(sqr(add(z0, z1))) → c40(SQR(add(proper(z0), proper(z1))), PROPER(add(z0, z1)))
PROPER(sqr(dbl(z0))) → c40(SQR(dbl(proper(z0))), PROPER(dbl(z0)))
PROPER(sqr(first(z0, z1))) → c40(SQR(first(proper(z0), proper(z1))), PROPER(first(z0, z1)))
PROPER(sqr(0)) → c40(SQR(ok(0)))
PROPER(sqr(nil)) → c40(SQR(ok(nil)))
PROPER(s(terms(z0))) → c41(S(terms(proper(z0))), PROPER(terms(z0)))
PROPER(s(cons(z0, z1))) → c41(S(cons(proper(z0), proper(z1))), PROPER(cons(z0, z1)))
PROPER(s(recip(z0))) → c41(S(recip(proper(z0))), PROPER(recip(z0)))
PROPER(s(sqr(z0))) → c41(S(sqr(proper(z0))), PROPER(sqr(z0)))
PROPER(s(s(z0))) → c41(S(s(proper(z0))), PROPER(s(z0)))
PROPER(s(add(z0, z1))) → c41(S(add(proper(z0), proper(z1))), PROPER(add(z0, z1)))
PROPER(s(dbl(z0))) → c41(S(dbl(proper(z0))), PROPER(dbl(z0)))
PROPER(s(first(z0, z1))) → c41(S(first(proper(z0), proper(z1))), PROPER(first(z0, z1)))
PROPER(s(0)) → c41(S(ok(0)))
PROPER(s(nil)) → c41(S(ok(nil)))
PROPER(add(x0, terms(z0))) → c43(ADD(proper(x0), terms(proper(z0))), PROPER(x0), PROPER(terms(z0)))
PROPER(add(x0, cons(z0, z1))) → c43(ADD(proper(x0), cons(proper(z0), proper(z1))), PROPER(x0), PROPER(cons(z0, z1)))
PROPER(add(x0, recip(z0))) → c43(ADD(proper(x0), recip(proper(z0))), PROPER(x0), PROPER(recip(z0)))
PROPER(add(x0, sqr(z0))) → c43(ADD(proper(x0), sqr(proper(z0))), PROPER(x0), PROPER(sqr(z0)))
PROPER(add(x0, s(z0))) → c43(ADD(proper(x0), s(proper(z0))), PROPER(x0), PROPER(s(z0)))
PROPER(add(x0, add(z0, z1))) → c43(ADD(proper(x0), add(proper(z0), proper(z1))), PROPER(x0), PROPER(add(z0, z1)))
PROPER(add(x0, dbl(z0))) → c43(ADD(proper(x0), dbl(proper(z0))), PROPER(x0), PROPER(dbl(z0)))
PROPER(add(x0, first(z0, z1))) → c43(ADD(proper(x0), first(proper(z0), proper(z1))), PROPER(x0), PROPER(first(z0, z1)))
PROPER(add(terms(z0), x1)) → c43(ADD(terms(proper(z0)), proper(x1)), PROPER(terms(z0)), PROPER(x1))
PROPER(add(cons(z0, z1), x1)) → c43(ADD(cons(proper(z0), proper(z1)), proper(x1)), PROPER(cons(z0, z1)), PROPER(x1))
PROPER(add(recip(z0), x1)) → c43(ADD(recip(proper(z0)), proper(x1)), PROPER(recip(z0)), PROPER(x1))
PROPER(add(sqr(z0), x1)) → c43(ADD(sqr(proper(z0)), proper(x1)), PROPER(sqr(z0)), PROPER(x1))
PROPER(add(s(z0), x1)) → c43(ADD(s(proper(z0)), proper(x1)), PROPER(s(z0)), PROPER(x1))
PROPER(add(add(z0, z1), x1)) → c43(ADD(add(proper(z0), proper(z1)), proper(x1)), PROPER(add(z0, z1)), PROPER(x1))
PROPER(add(dbl(z0), x1)) → c43(ADD(dbl(proper(z0)), proper(x1)), PROPER(dbl(z0)), PROPER(x1))
PROPER(add(first(z0, z1), x1)) → c43(ADD(first(proper(z0), proper(z1)), proper(x1)), PROPER(first(z0, z1)), PROPER(x1))
PROPER(add(x0, 0)) → c43(ADD(proper(x0), ok(0)), PROPER(x0))
PROPER(add(x0, nil)) → c43(ADD(proper(x0), ok(nil)), PROPER(x0))
PROPER(add(0, x1)) → c43(ADD(ok(0), proper(x1)), PROPER(x1))
PROPER(add(nil, x1)) → c43(ADD(ok(nil), proper(x1)), PROPER(x1))
PROPER(dbl(terms(z0))) → c44(DBL(terms(proper(z0))), PROPER(terms(z0)))
PROPER(dbl(cons(z0, z1))) → c44(DBL(cons(proper(z0), proper(z1))), PROPER(cons(z0, z1)))
PROPER(dbl(recip(z0))) → c44(DBL(recip(proper(z0))), PROPER(recip(z0)))
PROPER(dbl(sqr(z0))) → c44(DBL(sqr(proper(z0))), PROPER(sqr(z0)))
PROPER(dbl(s(z0))) → c44(DBL(s(proper(z0))), PROPER(s(z0)))
PROPER(dbl(add(z0, z1))) → c44(DBL(add(proper(z0), proper(z1))), PROPER(add(z0, z1)))
PROPER(dbl(dbl(z0))) → c44(DBL(dbl(proper(z0))), PROPER(dbl(z0)))
PROPER(dbl(first(z0, z1))) → c44(DBL(first(proper(z0), proper(z1))), PROPER(first(z0, z1)))
PROPER(dbl(0)) → c44(DBL(ok(0)))
PROPER(dbl(nil)) → c44(DBL(ok(nil)))
PROPER(first(x0, terms(z0))) → c45(FIRST(proper(x0), terms(proper(z0))), PROPER(x0), PROPER(terms(z0)))
PROPER(first(x0, cons(z0, z1))) → c45(FIRST(proper(x0), cons(proper(z0), proper(z1))), PROPER(x0), PROPER(cons(z0, z1)))
PROPER(first(x0, recip(z0))) → c45(FIRST(proper(x0), recip(proper(z0))), PROPER(x0), PROPER(recip(z0)))
PROPER(first(x0, sqr(z0))) → c45(FIRST(proper(x0), sqr(proper(z0))), PROPER(x0), PROPER(sqr(z0)))
PROPER(first(x0, s(z0))) → c45(FIRST(proper(x0), s(proper(z0))), PROPER(x0), PROPER(s(z0)))
PROPER(first(x0, add(z0, z1))) → c45(FIRST(proper(x0), add(proper(z0), proper(z1))), PROPER(x0), PROPER(add(z0, z1)))
PROPER(first(x0, dbl(z0))) → c45(FIRST(proper(x0), dbl(proper(z0))), PROPER(x0), PROPER(dbl(z0)))
PROPER(first(x0, first(z0, z1))) → c45(FIRST(proper(x0), first(proper(z0), proper(z1))), PROPER(x0), PROPER(first(z0, z1)))
PROPER(first(terms(z0), x1)) → c45(FIRST(terms(proper(z0)), proper(x1)), PROPER(terms(z0)), PROPER(x1))
PROPER(first(cons(z0, z1), x1)) → c45(FIRST(cons(proper(z0), proper(z1)), proper(x1)), PROPER(cons(z0, z1)), PROPER(x1))
PROPER(first(recip(z0), x1)) → c45(FIRST(recip(proper(z0)), proper(x1)), PROPER(recip(z0)), PROPER(x1))
PROPER(first(sqr(z0), x1)) → c45(FIRST(sqr(proper(z0)), proper(x1)), PROPER(sqr(z0)), PROPER(x1))
PROPER(first(s(z0), x1)) → c45(FIRST(s(proper(z0)), proper(x1)), PROPER(s(z0)), PROPER(x1))
PROPER(first(add(z0, z1), x1)) → c45(FIRST(add(proper(z0), proper(z1)), proper(x1)), PROPER(add(z0, z1)), PROPER(x1))
PROPER(first(dbl(z0), x1)) → c45(FIRST(dbl(proper(z0)), proper(x1)), PROPER(dbl(z0)), PROPER(x1))
PROPER(first(first(z0, z1), x1)) → c45(FIRST(first(proper(z0), proper(z1)), proper(x1)), PROPER(first(z0, z1)), PROPER(x1))
PROPER(first(x0, 0)) → c45(FIRST(proper(x0), ok(0)), PROPER(x0))
PROPER(first(x0, nil)) → c45(FIRST(proper(x0), ok(nil)), PROPER(x0))
PROPER(first(0, x1)) → c45(FIRST(ok(0), proper(x1)), PROPER(x1))
PROPER(first(nil, x1)) → c45(FIRST(ok(nil), proper(x1)), PROPER(x1))
TOP(mark(terms(z0))) → c47(TOP(terms(proper(z0))), PROPER(terms(z0)))
TOP(mark(cons(z0, z1))) → c47(TOP(cons(proper(z0), proper(z1))), PROPER(cons(z0, z1)))
TOP(mark(recip(z0))) → c47(TOP(recip(proper(z0))), PROPER(recip(z0)))
TOP(mark(sqr(z0))) → c47(TOP(sqr(proper(z0))), PROPER(sqr(z0)))
TOP(mark(s(z0))) → c47(TOP(s(proper(z0))), PROPER(s(z0)))
TOP(mark(add(z0, z1))) → c47(TOP(add(proper(z0), proper(z1))), PROPER(add(z0, z1)))
TOP(mark(dbl(z0))) → c47(TOP(dbl(proper(z0))), PROPER(dbl(z0)))
TOP(mark(first(z0, z1))) → c47(TOP(first(proper(z0), proper(z1))), PROPER(first(z0, z1)))
TOP(ok(terms(z0))) → c48(TOP(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
TOP(ok(sqr(s(z0)))) → c48(TOP(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
TOP(ok(dbl(s(z0)))) → c48(TOP(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
TOP(ok(add(0, z0))) → c48(TOP(mark(z0)), ACTIVE(add(0, z0)))
TOP(ok(add(s(z0), z1))) → c48(TOP(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
TOP(ok(first(0, z0))) → c48(TOP(mark(nil)), ACTIVE(first(0, z0)))
TOP(ok(first(s(z0), cons(z1, z2)))) → c48(TOP(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
TOP(ok(terms(z0))) → c48(TOP(terms(active(z0))), ACTIVE(terms(z0)))
TOP(ok(cons(z0, z1))) → c48(TOP(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
TOP(ok(recip(z0))) → c48(TOP(recip(active(z0))), ACTIVE(recip(z0)))
TOP(ok(sqr(z0))) → c48(TOP(sqr(active(z0))), ACTIVE(sqr(z0)))
TOP(ok(s(z0))) → c48(TOP(s(active(z0))), ACTIVE(s(z0)))
TOP(ok(add(z0, z1))) → c48(TOP(add(active(z0), z1)), ACTIVE(add(z0, z1)))
TOP(ok(add(z0, z1))) → c48(TOP(add(z0, active(z1))), ACTIVE(add(z0, z1)))
TOP(ok(dbl(z0))) → c48(TOP(dbl(active(z0))), ACTIVE(dbl(z0)))
TOP(ok(first(z0, z1))) → c48(TOP(first(active(z0), z1)), ACTIVE(first(z0, z1)))
TOP(ok(first(z0, z1))) → c48(TOP(first(z0, active(z1))), ACTIVE(first(z0, z1)))
K tuples:none
Defined Rule Symbols:

active, cons, first, terms, recip, sqr, s, add, dbl, proper

Defined Pair Symbols:

ACTIVE, TERMS, CONS, RECIP, SQR, S, ADD, DBL, FIRST, PROPER, TOP

Compound Symbols:

c14, c15, c17, c18, c19, c20, c21, c22, c23, c24, c25, c26, c27, c28, c29, c30, c31, c32, c33, c34, c35, c36, c4, c6, c1, c9, c10, c11, c12, c9, c10, c11, c12, c13, c13, c16, c16, c37, c37, c38, c38, c39, c39, c40, c40, c41, c41, c43, c43, c44, c44, c45, c45, c47, c48

(69) CdtUnreachableProof (EQUIVALENT transformation)

The following tuples could be removed as they are not reachable from basic start terms:

ACTIVE(add(z0, z1)) → c14(ADD(active(z0), z1), ACTIVE(z0))
ACTIVE(add(z0, z1)) → c15(ADD(z0, active(z1)), ACTIVE(z1))
ACTIVE(first(z0, z1)) → c17(FIRST(active(z0), z1), ACTIVE(z0))
ACTIVE(first(z0, z1)) → c18(FIRST(z0, active(z1)), ACTIVE(z1))
ACTIVE(dbl(s(z0))) → c4(DBL(z0))
ACTIVE(add(s(z0), z1)) → c6(ADD(z0, z1))
ACTIVE(first(s(z0), cons(z1, z2))) → c1(CONS(z1, first(z0, z2)))
ACTIVE(first(s(z0), cons(z1, z2))) → c1(FIRST(z0, z2))
ACTIVE(terms(z0)) → c1(SQR(z0))
ACTIVE(terms(z0)) → c1(S(z0))
ACTIVE(sqr(s(z0))) → c1(SQR(z0))
ACTIVE(sqr(s(z0))) → c1(DBL(z0))
ACTIVE(terms(terms(z0))) → c9(TERMS(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(terms(sqr(s(z0)))) → c9(TERMS(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(terms(dbl(s(z0)))) → c9(TERMS(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(terms(add(0, z0))) → c9(TERMS(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(terms(add(s(z0), z1))) → c9(TERMS(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(terms(first(0, z0))) → c9(TERMS(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(terms(first(s(z0), cons(z1, z2)))) → c9(TERMS(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(terms(terms(z0))) → c9(TERMS(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(terms(cons(z0, z1))) → c9(TERMS(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(terms(recip(z0))) → c9(TERMS(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(terms(sqr(z0))) → c9(TERMS(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(terms(s(z0))) → c9(TERMS(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(terms(add(z0, z1))) → c9(TERMS(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(terms(add(z0, z1))) → c9(TERMS(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(terms(dbl(z0))) → c9(TERMS(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(terms(first(z0, z1))) → c9(TERMS(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(terms(first(z0, z1))) → c9(TERMS(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(cons(terms(z0), x1)) → c10(CONS(mark(cons(recip(sqr(z0)), terms(s(z0)))), x1), ACTIVE(terms(z0)))
ACTIVE(cons(sqr(s(z0)), x1)) → c10(CONS(mark(s(add(sqr(z0), dbl(z0)))), x1), ACTIVE(sqr(s(z0))))
ACTIVE(cons(dbl(s(z0)), x1)) → c10(CONS(mark(s(s(dbl(z0)))), x1), ACTIVE(dbl(s(z0))))
ACTIVE(cons(add(0, z0), x1)) → c10(CONS(mark(z0), x1), ACTIVE(add(0, z0)))
ACTIVE(cons(add(s(z0), z1), x1)) → c10(CONS(mark(s(add(z0, z1))), x1), ACTIVE(add(s(z0), z1)))
ACTIVE(cons(first(0, z0), x1)) → c10(CONS(mark(nil), x1), ACTIVE(first(0, z0)))
ACTIVE(cons(first(s(z0), cons(z1, z2)), x1)) → c10(CONS(mark(cons(z1, first(z0, z2))), x1), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(cons(terms(z0), x1)) → c10(CONS(terms(active(z0)), x1), ACTIVE(terms(z0)))
ACTIVE(cons(cons(z0, z1), x1)) → c10(CONS(cons(active(z0), z1), x1), ACTIVE(cons(z0, z1)))
ACTIVE(cons(recip(z0), x1)) → c10(CONS(recip(active(z0)), x1), ACTIVE(recip(z0)))
ACTIVE(cons(sqr(z0), x1)) → c10(CONS(sqr(active(z0)), x1), ACTIVE(sqr(z0)))
ACTIVE(cons(s(z0), x1)) → c10(CONS(s(active(z0)), x1), ACTIVE(s(z0)))
ACTIVE(cons(add(z0, z1), x1)) → c10(CONS(add(active(z0), z1), x1), ACTIVE(add(z0, z1)))
ACTIVE(cons(add(z0, z1), x1)) → c10(CONS(add(z0, active(z1)), x1), ACTIVE(add(z0, z1)))
ACTIVE(cons(dbl(z0), x1)) → c10(CONS(dbl(active(z0)), x1), ACTIVE(dbl(z0)))
ACTIVE(cons(first(z0, z1), x1)) → c10(CONS(first(active(z0), z1), x1), ACTIVE(first(z0, z1)))
ACTIVE(cons(first(z0, z1), x1)) → c10(CONS(first(z0, active(z1)), x1), ACTIVE(first(z0, z1)))
ACTIVE(recip(terms(z0))) → c11(RECIP(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(recip(sqr(s(z0)))) → c11(RECIP(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(recip(dbl(s(z0)))) → c11(RECIP(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(recip(add(0, z0))) → c11(RECIP(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(recip(add(s(z0), z1))) → c11(RECIP(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(recip(first(0, z0))) → c11(RECIP(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(recip(first(s(z0), cons(z1, z2)))) → c11(RECIP(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(recip(terms(z0))) → c11(RECIP(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(recip(cons(z0, z1))) → c11(RECIP(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(recip(recip(z0))) → c11(RECIP(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(recip(sqr(z0))) → c11(RECIP(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(recip(s(z0))) → c11(RECIP(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(recip(add(z0, z1))) → c11(RECIP(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(recip(add(z0, z1))) → c11(RECIP(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(recip(dbl(z0))) → c11(RECIP(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(recip(first(z0, z1))) → c11(RECIP(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(recip(first(z0, z1))) → c11(RECIP(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(sqr(terms(z0))) → c12(SQR(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(sqr(sqr(s(z0)))) → c12(SQR(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(sqr(dbl(s(z0)))) → c12(SQR(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(sqr(add(0, z0))) → c12(SQR(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(sqr(add(s(z0), z1))) → c12(SQR(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(sqr(first(0, z0))) → c12(SQR(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(sqr(first(s(z0), cons(z1, z2)))) → c12(SQR(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(sqr(terms(z0))) → c12(SQR(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(sqr(cons(z0, z1))) → c12(SQR(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(sqr(recip(z0))) → c12(SQR(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(sqr(sqr(z0))) → c12(SQR(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(sqr(s(z0))) → c12(SQR(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(sqr(add(z0, z1))) → c12(SQR(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(sqr(add(z0, z1))) → c12(SQR(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(sqr(dbl(z0))) → c12(SQR(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(sqr(first(z0, z1))) → c12(SQR(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(sqr(first(z0, z1))) → c12(SQR(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(terms(sqr(0))) → c9(TERMS(mark(0)))
ACTIVE(cons(sqr(0), x1)) → c10(CONS(mark(0), x1))
ACTIVE(recip(sqr(0))) → c11(RECIP(mark(0)))
ACTIVE(sqr(sqr(0))) → c12(SQR(mark(0)))
ACTIVE(s(terms(z0))) → c13(S(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(s(sqr(s(z0)))) → c13(S(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(s(dbl(s(z0)))) → c13(S(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(s(add(0, z0))) → c13(S(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(s(add(s(z0), z1))) → c13(S(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(s(first(0, z0))) → c13(S(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(s(first(s(z0), cons(z1, z2)))) → c13(S(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(s(terms(z0))) → c13(S(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(s(cons(z0, z1))) → c13(S(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(s(recip(z0))) → c13(S(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(s(sqr(z0))) → c13(S(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(s(s(z0))) → c13(S(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(s(add(z0, z1))) → c13(S(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(s(add(z0, z1))) → c13(S(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(s(dbl(z0))) → c13(S(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(s(first(z0, z1))) → c13(S(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(s(first(z0, z1))) → c13(S(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(s(sqr(0))) → c13(S(mark(0)))
ACTIVE(dbl(terms(z0))) → c16(DBL(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
ACTIVE(dbl(sqr(s(z0)))) → c16(DBL(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
ACTIVE(dbl(dbl(s(z0)))) → c16(DBL(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
ACTIVE(dbl(add(0, z0))) → c16(DBL(mark(z0)), ACTIVE(add(0, z0)))
ACTIVE(dbl(add(s(z0), z1))) → c16(DBL(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
ACTIVE(dbl(first(0, z0))) → c16(DBL(mark(nil)), ACTIVE(first(0, z0)))
ACTIVE(dbl(first(s(z0), cons(z1, z2)))) → c16(DBL(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
ACTIVE(dbl(terms(z0))) → c16(DBL(terms(active(z0))), ACTIVE(terms(z0)))
ACTIVE(dbl(cons(z0, z1))) → c16(DBL(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
ACTIVE(dbl(recip(z0))) → c16(DBL(recip(active(z0))), ACTIVE(recip(z0)))
ACTIVE(dbl(sqr(z0))) → c16(DBL(sqr(active(z0))), ACTIVE(sqr(z0)))
ACTIVE(dbl(s(z0))) → c16(DBL(s(active(z0))), ACTIVE(s(z0)))
ACTIVE(dbl(add(z0, z1))) → c16(DBL(add(active(z0), z1)), ACTIVE(add(z0, z1)))
ACTIVE(dbl(add(z0, z1))) → c16(DBL(add(z0, active(z1))), ACTIVE(add(z0, z1)))
ACTIVE(dbl(dbl(z0))) → c16(DBL(dbl(active(z0))), ACTIVE(dbl(z0)))
ACTIVE(dbl(first(z0, z1))) → c16(DBL(first(active(z0), z1)), ACTIVE(first(z0, z1)))
ACTIVE(dbl(first(z0, z1))) → c16(DBL(first(z0, active(z1))), ACTIVE(first(z0, z1)))
ACTIVE(terms(dbl(0))) → c9(TERMS(mark(0)))
ACTIVE(cons(dbl(0), x1)) → c10(CONS(mark(0), x1))
ACTIVE(recip(dbl(0))) → c11(RECIP(mark(0)))
ACTIVE(sqr(dbl(0))) → c12(SQR(mark(0)))
ACTIVE(s(dbl(0))) → c13(S(mark(0)))
ACTIVE(dbl(sqr(0))) → c16(DBL(mark(0)))
ACTIVE(dbl(dbl(0))) → c16(DBL(mark(0)))
PROPER(terms(terms(z0))) → c37(TERMS(terms(proper(z0))), PROPER(terms(z0)))
PROPER(terms(cons(z0, z1))) → c37(TERMS(cons(proper(z0), proper(z1))), PROPER(cons(z0, z1)))
PROPER(terms(recip(z0))) → c37(TERMS(recip(proper(z0))), PROPER(recip(z0)))
PROPER(terms(sqr(z0))) → c37(TERMS(sqr(proper(z0))), PROPER(sqr(z0)))
PROPER(terms(s(z0))) → c37(TERMS(s(proper(z0))), PROPER(s(z0)))
PROPER(terms(add(z0, z1))) → c37(TERMS(add(proper(z0), proper(z1))), PROPER(add(z0, z1)))
PROPER(terms(dbl(z0))) → c37(TERMS(dbl(proper(z0))), PROPER(dbl(z0)))
PROPER(terms(first(z0, z1))) → c37(TERMS(first(proper(z0), proper(z1))), PROPER(first(z0, z1)))
PROPER(terms(0)) → c37(TERMS(ok(0)))
PROPER(terms(nil)) → c37(TERMS(ok(nil)))
PROPER(cons(x0, terms(z0))) → c38(CONS(proper(x0), terms(proper(z0))), PROPER(x0), PROPER(terms(z0)))
PROPER(cons(x0, cons(z0, z1))) → c38(CONS(proper(x0), cons(proper(z0), proper(z1))), PROPER(x0), PROPER(cons(z0, z1)))
PROPER(cons(x0, recip(z0))) → c38(CONS(proper(x0), recip(proper(z0))), PROPER(x0), PROPER(recip(z0)))
PROPER(cons(x0, sqr(z0))) → c38(CONS(proper(x0), sqr(proper(z0))), PROPER(x0), PROPER(sqr(z0)))
PROPER(cons(x0, s(z0))) → c38(CONS(proper(x0), s(proper(z0))), PROPER(x0), PROPER(s(z0)))
PROPER(cons(x0, add(z0, z1))) → c38(CONS(proper(x0), add(proper(z0), proper(z1))), PROPER(x0), PROPER(add(z0, z1)))
PROPER(cons(x0, dbl(z0))) → c38(CONS(proper(x0), dbl(proper(z0))), PROPER(x0), PROPER(dbl(z0)))
PROPER(cons(x0, first(z0, z1))) → c38(CONS(proper(x0), first(proper(z0), proper(z1))), PROPER(x0), PROPER(first(z0, z1)))
PROPER(cons(terms(z0), x1)) → c38(CONS(terms(proper(z0)), proper(x1)), PROPER(terms(z0)), PROPER(x1))
PROPER(cons(cons(z0, z1), x1)) → c38(CONS(cons(proper(z0), proper(z1)), proper(x1)), PROPER(cons(z0, z1)), PROPER(x1))
PROPER(cons(recip(z0), x1)) → c38(CONS(recip(proper(z0)), proper(x1)), PROPER(recip(z0)), PROPER(x1))
PROPER(cons(sqr(z0), x1)) → c38(CONS(sqr(proper(z0)), proper(x1)), PROPER(sqr(z0)), PROPER(x1))
PROPER(cons(s(z0), x1)) → c38(CONS(s(proper(z0)), proper(x1)), PROPER(s(z0)), PROPER(x1))
PROPER(cons(add(z0, z1), x1)) → c38(CONS(add(proper(z0), proper(z1)), proper(x1)), PROPER(add(z0, z1)), PROPER(x1))
PROPER(cons(dbl(z0), x1)) → c38(CONS(dbl(proper(z0)), proper(x1)), PROPER(dbl(z0)), PROPER(x1))
PROPER(cons(first(z0, z1), x1)) → c38(CONS(first(proper(z0), proper(z1)), proper(x1)), PROPER(first(z0, z1)), PROPER(x1))
PROPER(cons(x0, 0)) → c38(CONS(proper(x0), ok(0)), PROPER(x0))
PROPER(cons(x0, nil)) → c38(CONS(proper(x0), ok(nil)), PROPER(x0))
PROPER(cons(0, x1)) → c38(CONS(ok(0), proper(x1)), PROPER(x1))
PROPER(cons(nil, x1)) → c38(CONS(ok(nil), proper(x1)), PROPER(x1))
PROPER(recip(terms(z0))) → c39(RECIP(terms(proper(z0))), PROPER(terms(z0)))
PROPER(recip(cons(z0, z1))) → c39(RECIP(cons(proper(z0), proper(z1))), PROPER(cons(z0, z1)))
PROPER(recip(recip(z0))) → c39(RECIP(recip(proper(z0))), PROPER(recip(z0)))
PROPER(recip(sqr(z0))) → c39(RECIP(sqr(proper(z0))), PROPER(sqr(z0)))
PROPER(recip(s(z0))) → c39(RECIP(s(proper(z0))), PROPER(s(z0)))
PROPER(recip(add(z0, z1))) → c39(RECIP(add(proper(z0), proper(z1))), PROPER(add(z0, z1)))
PROPER(recip(dbl(z0))) → c39(RECIP(dbl(proper(z0))), PROPER(dbl(z0)))
PROPER(recip(first(z0, z1))) → c39(RECIP(first(proper(z0), proper(z1))), PROPER(first(z0, z1)))
PROPER(recip(0)) → c39(RECIP(ok(0)))
PROPER(recip(nil)) → c39(RECIP(ok(nil)))
PROPER(sqr(terms(z0))) → c40(SQR(terms(proper(z0))), PROPER(terms(z0)))
PROPER(sqr(cons(z0, z1))) → c40(SQR(cons(proper(z0), proper(z1))), PROPER(cons(z0, z1)))
PROPER(sqr(recip(z0))) → c40(SQR(recip(proper(z0))), PROPER(recip(z0)))
PROPER(sqr(sqr(z0))) → c40(SQR(sqr(proper(z0))), PROPER(sqr(z0)))
PROPER(sqr(s(z0))) → c40(SQR(s(proper(z0))), PROPER(s(z0)))
PROPER(sqr(add(z0, z1))) → c40(SQR(add(proper(z0), proper(z1))), PROPER(add(z0, z1)))
PROPER(sqr(dbl(z0))) → c40(SQR(dbl(proper(z0))), PROPER(dbl(z0)))
PROPER(sqr(first(z0, z1))) → c40(SQR(first(proper(z0), proper(z1))), PROPER(first(z0, z1)))
PROPER(sqr(0)) → c40(SQR(ok(0)))
PROPER(sqr(nil)) → c40(SQR(ok(nil)))
PROPER(s(terms(z0))) → c41(S(terms(proper(z0))), PROPER(terms(z0)))
PROPER(s(cons(z0, z1))) → c41(S(cons(proper(z0), proper(z1))), PROPER(cons(z0, z1)))
PROPER(s(recip(z0))) → c41(S(recip(proper(z0))), PROPER(recip(z0)))
PROPER(s(sqr(z0))) → c41(S(sqr(proper(z0))), PROPER(sqr(z0)))
PROPER(s(s(z0))) → c41(S(s(proper(z0))), PROPER(s(z0)))
PROPER(s(add(z0, z1))) → c41(S(add(proper(z0), proper(z1))), PROPER(add(z0, z1)))
PROPER(s(dbl(z0))) → c41(S(dbl(proper(z0))), PROPER(dbl(z0)))
PROPER(s(first(z0, z1))) → c41(S(first(proper(z0), proper(z1))), PROPER(first(z0, z1)))
PROPER(s(0)) → c41(S(ok(0)))
PROPER(s(nil)) → c41(S(ok(nil)))
PROPER(add(x0, terms(z0))) → c43(ADD(proper(x0), terms(proper(z0))), PROPER(x0), PROPER(terms(z0)))
PROPER(add(x0, cons(z0, z1))) → c43(ADD(proper(x0), cons(proper(z0), proper(z1))), PROPER(x0), PROPER(cons(z0, z1)))
PROPER(add(x0, recip(z0))) → c43(ADD(proper(x0), recip(proper(z0))), PROPER(x0), PROPER(recip(z0)))
PROPER(add(x0, sqr(z0))) → c43(ADD(proper(x0), sqr(proper(z0))), PROPER(x0), PROPER(sqr(z0)))
PROPER(add(x0, s(z0))) → c43(ADD(proper(x0), s(proper(z0))), PROPER(x0), PROPER(s(z0)))
PROPER(add(x0, add(z0, z1))) → c43(ADD(proper(x0), add(proper(z0), proper(z1))), PROPER(x0), PROPER(add(z0, z1)))
PROPER(add(x0, dbl(z0))) → c43(ADD(proper(x0), dbl(proper(z0))), PROPER(x0), PROPER(dbl(z0)))
PROPER(add(x0, first(z0, z1))) → c43(ADD(proper(x0), first(proper(z0), proper(z1))), PROPER(x0), PROPER(first(z0, z1)))
PROPER(add(terms(z0), x1)) → c43(ADD(terms(proper(z0)), proper(x1)), PROPER(terms(z0)), PROPER(x1))
PROPER(add(cons(z0, z1), x1)) → c43(ADD(cons(proper(z0), proper(z1)), proper(x1)), PROPER(cons(z0, z1)), PROPER(x1))
PROPER(add(recip(z0), x1)) → c43(ADD(recip(proper(z0)), proper(x1)), PROPER(recip(z0)), PROPER(x1))
PROPER(add(sqr(z0), x1)) → c43(ADD(sqr(proper(z0)), proper(x1)), PROPER(sqr(z0)), PROPER(x1))
PROPER(add(s(z0), x1)) → c43(ADD(s(proper(z0)), proper(x1)), PROPER(s(z0)), PROPER(x1))
PROPER(add(add(z0, z1), x1)) → c43(ADD(add(proper(z0), proper(z1)), proper(x1)), PROPER(add(z0, z1)), PROPER(x1))
PROPER(add(dbl(z0), x1)) → c43(ADD(dbl(proper(z0)), proper(x1)), PROPER(dbl(z0)), PROPER(x1))
PROPER(add(first(z0, z1), x1)) → c43(ADD(first(proper(z0), proper(z1)), proper(x1)), PROPER(first(z0, z1)), PROPER(x1))
PROPER(add(x0, 0)) → c43(ADD(proper(x0), ok(0)), PROPER(x0))
PROPER(add(x0, nil)) → c43(ADD(proper(x0), ok(nil)), PROPER(x0))
PROPER(add(0, x1)) → c43(ADD(ok(0), proper(x1)), PROPER(x1))
PROPER(add(nil, x1)) → c43(ADD(ok(nil), proper(x1)), PROPER(x1))
PROPER(dbl(terms(z0))) → c44(DBL(terms(proper(z0))), PROPER(terms(z0)))
PROPER(dbl(cons(z0, z1))) → c44(DBL(cons(proper(z0), proper(z1))), PROPER(cons(z0, z1)))
PROPER(dbl(recip(z0))) → c44(DBL(recip(proper(z0))), PROPER(recip(z0)))
PROPER(dbl(sqr(z0))) → c44(DBL(sqr(proper(z0))), PROPER(sqr(z0)))
PROPER(dbl(s(z0))) → c44(DBL(s(proper(z0))), PROPER(s(z0)))
PROPER(dbl(add(z0, z1))) → c44(DBL(add(proper(z0), proper(z1))), PROPER(add(z0, z1)))
PROPER(dbl(dbl(z0))) → c44(DBL(dbl(proper(z0))), PROPER(dbl(z0)))
PROPER(dbl(first(z0, z1))) → c44(DBL(first(proper(z0), proper(z1))), PROPER(first(z0, z1)))
PROPER(dbl(0)) → c44(DBL(ok(0)))
PROPER(dbl(nil)) → c44(DBL(ok(nil)))
PROPER(first(x0, terms(z0))) → c45(FIRST(proper(x0), terms(proper(z0))), PROPER(x0), PROPER(terms(z0)))
PROPER(first(x0, cons(z0, z1))) → c45(FIRST(proper(x0), cons(proper(z0), proper(z1))), PROPER(x0), PROPER(cons(z0, z1)))
PROPER(first(x0, recip(z0))) → c45(FIRST(proper(x0), recip(proper(z0))), PROPER(x0), PROPER(recip(z0)))
PROPER(first(x0, sqr(z0))) → c45(FIRST(proper(x0), sqr(proper(z0))), PROPER(x0), PROPER(sqr(z0)))
PROPER(first(x0, s(z0))) → c45(FIRST(proper(x0), s(proper(z0))), PROPER(x0), PROPER(s(z0)))
PROPER(first(x0, add(z0, z1))) → c45(FIRST(proper(x0), add(proper(z0), proper(z1))), PROPER(x0), PROPER(add(z0, z1)))
PROPER(first(x0, dbl(z0))) → c45(FIRST(proper(x0), dbl(proper(z0))), PROPER(x0), PROPER(dbl(z0)))
PROPER(first(x0, first(z0, z1))) → c45(FIRST(proper(x0), first(proper(z0), proper(z1))), PROPER(x0), PROPER(first(z0, z1)))
PROPER(first(terms(z0), x1)) → c45(FIRST(terms(proper(z0)), proper(x1)), PROPER(terms(z0)), PROPER(x1))
PROPER(first(cons(z0, z1), x1)) → c45(FIRST(cons(proper(z0), proper(z1)), proper(x1)), PROPER(cons(z0, z1)), PROPER(x1))
PROPER(first(recip(z0), x1)) → c45(FIRST(recip(proper(z0)), proper(x1)), PROPER(recip(z0)), PROPER(x1))
PROPER(first(sqr(z0), x1)) → c45(FIRST(sqr(proper(z0)), proper(x1)), PROPER(sqr(z0)), PROPER(x1))
PROPER(first(s(z0), x1)) → c45(FIRST(s(proper(z0)), proper(x1)), PROPER(s(z0)), PROPER(x1))
PROPER(first(add(z0, z1), x1)) → c45(FIRST(add(proper(z0), proper(z1)), proper(x1)), PROPER(add(z0, z1)), PROPER(x1))
PROPER(first(dbl(z0), x1)) → c45(FIRST(dbl(proper(z0)), proper(x1)), PROPER(dbl(z0)), PROPER(x1))
PROPER(first(first(z0, z1), x1)) → c45(FIRST(first(proper(z0), proper(z1)), proper(x1)), PROPER(first(z0, z1)), PROPER(x1))
PROPER(first(x0, 0)) → c45(FIRST(proper(x0), ok(0)), PROPER(x0))
PROPER(first(x0, nil)) → c45(FIRST(proper(x0), ok(nil)), PROPER(x0))
PROPER(first(0, x1)) → c45(FIRST(ok(0), proper(x1)), PROPER(x1))
PROPER(first(nil, x1)) → c45(FIRST(ok(nil), proper(x1)), PROPER(x1))
TOP(mark(terms(z0))) → c47(TOP(terms(proper(z0))), PROPER(terms(z0)))
TOP(mark(cons(z0, z1))) → c47(TOP(cons(proper(z0), proper(z1))), PROPER(cons(z0, z1)))
TOP(mark(recip(z0))) → c47(TOP(recip(proper(z0))), PROPER(recip(z0)))
TOP(mark(sqr(z0))) → c47(TOP(sqr(proper(z0))), PROPER(sqr(z0)))
TOP(mark(s(z0))) → c47(TOP(s(proper(z0))), PROPER(s(z0)))
TOP(mark(add(z0, z1))) → c47(TOP(add(proper(z0), proper(z1))), PROPER(add(z0, z1)))
TOP(mark(dbl(z0))) → c47(TOP(dbl(proper(z0))), PROPER(dbl(z0)))
TOP(mark(first(z0, z1))) → c47(TOP(first(proper(z0), proper(z1))), PROPER(first(z0, z1)))
TOP(ok(terms(z0))) → c48(TOP(mark(cons(recip(sqr(z0)), terms(s(z0))))), ACTIVE(terms(z0)))
TOP(ok(sqr(s(z0)))) → c48(TOP(mark(s(add(sqr(z0), dbl(z0))))), ACTIVE(sqr(s(z0))))
TOP(ok(dbl(s(z0)))) → c48(TOP(mark(s(s(dbl(z0))))), ACTIVE(dbl(s(z0))))
TOP(ok(add(0, z0))) → c48(TOP(mark(z0)), ACTIVE(add(0, z0)))
TOP(ok(add(s(z0), z1))) → c48(TOP(mark(s(add(z0, z1)))), ACTIVE(add(s(z0), z1)))
TOP(ok(first(0, z0))) → c48(TOP(mark(nil)), ACTIVE(first(0, z0)))
TOP(ok(first(s(z0), cons(z1, z2)))) → c48(TOP(mark(cons(z1, first(z0, z2)))), ACTIVE(first(s(z0), cons(z1, z2))))
TOP(ok(terms(z0))) → c48(TOP(terms(active(z0))), ACTIVE(terms(z0)))
TOP(ok(cons(z0, z1))) → c48(TOP(cons(active(z0), z1)), ACTIVE(cons(z0, z1)))
TOP(ok(recip(z0))) → c48(TOP(recip(active(z0))), ACTIVE(recip(z0)))
TOP(ok(sqr(z0))) → c48(TOP(sqr(active(z0))), ACTIVE(sqr(z0)))
TOP(ok(s(z0))) → c48(TOP(s(active(z0))), ACTIVE(s(z0)))
TOP(ok(add(z0, z1))) → c48(TOP(add(active(z0), z1)), ACTIVE(add(z0, z1)))
TOP(ok(add(z0, z1))) → c48(TOP(add(z0, active(z1))), ACTIVE(add(z0, z1)))
TOP(ok(dbl(z0))) → c48(TOP(dbl(active(z0))), ACTIVE(dbl(z0)))
TOP(ok(first(z0, z1))) → c48(TOP(first(active(z0), z1)), ACTIVE(first(z0, z1)))
TOP(ok(first(z0, z1))) → c48(TOP(first(z0, active(z1))), ACTIVE(first(z0, z1)))

(70) Obligation:

Complexity Dependency Tuples Problem
Rules:

active(terms(z0)) → mark(cons(recip(sqr(z0)), terms(s(z0))))
active(sqr(0)) → mark(0)
active(sqr(s(z0))) → mark(s(add(sqr(z0), dbl(z0))))
active(dbl(0)) → mark(0)
active(dbl(s(z0))) → mark(s(s(dbl(z0))))
active(add(0, z0)) → mark(z0)
active(add(s(z0), z1)) → mark(s(add(z0, z1)))
active(first(0, z0)) → mark(nil)
active(first(s(z0), cons(z1, z2))) → mark(cons(z1, first(z0, z2)))
active(terms(z0)) → terms(active(z0))
active(cons(z0, z1)) → cons(active(z0), z1)
active(recip(z0)) → recip(active(z0))
active(sqr(z0)) → sqr(active(z0))
active(s(z0)) → s(active(z0))
active(add(z0, z1)) → add(active(z0), z1)
active(add(z0, z1)) → add(z0, active(z1))
active(dbl(z0)) → dbl(active(z0))
active(first(z0, z1)) → first(active(z0), z1)
active(first(z0, z1)) → first(z0, active(z1))
cons(ok(z0), ok(z1)) → ok(cons(z0, z1))
cons(mark(z0), z1) → mark(cons(z0, z1))
first(z0, mark(z1)) → mark(first(z0, z1))
first(mark(z0), z1) → mark(first(z0, z1))
first(ok(z0), ok(z1)) → ok(first(z0, z1))
terms(mark(z0)) → mark(terms(z0))
terms(ok(z0)) → ok(terms(z0))
recip(mark(z0)) → mark(recip(z0))
recip(ok(z0)) → ok(recip(z0))
sqr(mark(z0)) → mark(sqr(z0))
sqr(ok(z0)) → ok(sqr(z0))
s(mark(z0)) → mark(s(z0))
s(ok(z0)) → ok(s(z0))
add(mark(z0), z1) → mark(add(z0, z1))
add(ok(z0), ok(z1)) → ok(add(z0, z1))
add(z0, mark(z1)) → mark(add(z0, z1))
dbl(mark(z0)) → mark(dbl(z0))
dbl(ok(z0)) → ok(dbl(z0))
proper(terms(z0)) → terms(proper(z0))
proper(cons(z0, z1)) → cons(proper(z0), proper(z1))
proper(recip(z0)) → recip(proper(z0))
proper(sqr(z0)) → sqr(proper(z0))
proper(s(z0)) → s(proper(z0))
proper(0) → ok(0)
proper(add(z0, z1)) → add(proper(z0), proper(z1))
proper(dbl(z0)) → dbl(proper(z0))
proper(first(z0, z1)) → first(proper(z0), proper(z1))
proper(nil) → ok(nil)
Tuples:

TERMS(mark(z0)) → c19(TERMS(z0))
TERMS(ok(z0)) → c20(TERMS(z0))
CONS(mark(z0), z1) → c21(CONS(z0, z1))
CONS(ok(z0), ok(z1)) → c22(CONS(z0, z1))
RECIP(mark(z0)) → c23(RECIP(z0))
RECIP(ok(z0)) → c24(RECIP(z0))
SQR(mark(z0)) → c25(SQR(z0))
SQR(ok(z0)) → c26(SQR(z0))
S(mark(z0)) → c27(S(z0))
S(ok(z0)) → c28(S(z0))
ADD(mark(z0), z1) → c29(ADD(z0, z1))
ADD(z0, mark(z1)) → c30(ADD(z0, z1))
ADD(ok(z0), ok(z1)) → c31(ADD(z0, z1))
DBL(mark(z0)) → c32(DBL(z0))
DBL(ok(z0)) → c33(DBL(z0))
FIRST(mark(z0), z1) → c34(FIRST(z0, z1))
FIRST(z0, mark(z1)) → c35(FIRST(z0, z1))
FIRST(ok(z0), ok(z1)) → c36(FIRST(z0, z1))
S tuples:

TERMS(mark(z0)) → c19(TERMS(z0))
TERMS(ok(z0)) → c20(TERMS(z0))
CONS(mark(z0), z1) → c21(CONS(z0, z1))
CONS(ok(z0), ok(z1)) → c22(CONS(z0, z1))
RECIP(mark(z0)) → c23(RECIP(z0))
RECIP(ok(z0)) → c24(RECIP(z0))
SQR(mark(z0)) → c25(SQR(z0))
SQR(ok(z0)) → c26(SQR(z0))
S(mark(z0)) → c27(S(z0))
S(ok(z0)) → c28(S(z0))
ADD(mark(z0), z1) → c29(ADD(z0, z1))
ADD(z0, mark(z1)) → c30(ADD(z0, z1))
ADD(ok(z0), ok(z1)) → c31(ADD(z0, z1))
DBL(mark(z0)) → c32(DBL(z0))
DBL(ok(z0)) → c33(DBL(z0))
FIRST(mark(z0), z1) → c34(FIRST(z0, z1))
FIRST(z0, mark(z1)) → c35(FIRST(z0, z1))
FIRST(ok(z0), ok(z1)) → c36(FIRST(z0, z1))
K tuples:none
Defined Rule Symbols:

active, cons, first, terms, recip, sqr, s, add, dbl, proper

Defined Pair Symbols:

TERMS, CONS, RECIP, SQR, S, ADD, DBL, FIRST

Compound Symbols:

c19, c20, c21, c22, c23, c24, c25, c26, c27, c28, c29, c30, c31, c32, c33, c34, c35, c36

(71) CdtUsableRulesProof (EQUIVALENT transformation)

The following rules are not usable and were removed:

active(terms(z0)) → mark(cons(recip(sqr(z0)), terms(s(z0))))
active(sqr(0)) → mark(0)
active(sqr(s(z0))) → mark(s(add(sqr(z0), dbl(z0))))
active(dbl(0)) → mark(0)
active(dbl(s(z0))) → mark(s(s(dbl(z0))))
active(add(0, z0)) → mark(z0)
active(add(s(z0), z1)) → mark(s(add(z0, z1)))
active(first(0, z0)) → mark(nil)
active(first(s(z0), cons(z1, z2))) → mark(cons(z1, first(z0, z2)))
active(terms(z0)) → terms(active(z0))
active(cons(z0, z1)) → cons(active(z0), z1)
active(recip(z0)) → recip(active(z0))
active(sqr(z0)) → sqr(active(z0))
active(s(z0)) → s(active(z0))
active(add(z0, z1)) → add(active(z0), z1)
active(add(z0, z1)) → add(z0, active(z1))
active(dbl(z0)) → dbl(active(z0))
active(first(z0, z1)) → first(active(z0), z1)
active(first(z0, z1)) → first(z0, active(z1))
cons(ok(z0), ok(z1)) → ok(cons(z0, z1))
cons(mark(z0), z1) → mark(cons(z0, z1))
first(z0, mark(z1)) → mark(first(z0, z1))
first(mark(z0), z1) → mark(first(z0, z1))
first(ok(z0), ok(z1)) → ok(first(z0, z1))
terms(mark(z0)) → mark(terms(z0))
terms(ok(z0)) → ok(terms(z0))
recip(mark(z0)) → mark(recip(z0))
recip(ok(z0)) → ok(recip(z0))
sqr(mark(z0)) → mark(sqr(z0))
sqr(ok(z0)) → ok(sqr(z0))
s(mark(z0)) → mark(s(z0))
s(ok(z0)) → ok(s(z0))
add(mark(z0), z1) → mark(add(z0, z1))
add(ok(z0), ok(z1)) → ok(add(z0, z1))
add(z0, mark(z1)) → mark(add(z0, z1))
dbl(mark(z0)) → mark(dbl(z0))
dbl(ok(z0)) → ok(dbl(z0))
proper(terms(z0)) → terms(proper(z0))
proper(cons(z0, z1)) → cons(proper(z0), proper(z1))
proper(recip(z0)) → recip(proper(z0))
proper(sqr(z0)) → sqr(proper(z0))
proper(s(z0)) → s(proper(z0))
proper(0) → ok(0)
proper(add(z0, z1)) → add(proper(z0), proper(z1))
proper(dbl(z0)) → dbl(proper(z0))
proper(first(z0, z1)) → first(proper(z0), proper(z1))
proper(nil) → ok(nil)

(72) Obligation:

Complexity Dependency Tuples Problem
Rules:none
Tuples:

TERMS(mark(z0)) → c19(TERMS(z0))
TERMS(ok(z0)) → c20(TERMS(z0))
CONS(mark(z0), z1) → c21(CONS(z0, z1))
CONS(ok(z0), ok(z1)) → c22(CONS(z0, z1))
RECIP(mark(z0)) → c23(RECIP(z0))
RECIP(ok(z0)) → c24(RECIP(z0))
SQR(mark(z0)) → c25(SQR(z0))
SQR(ok(z0)) → c26(SQR(z0))
S(mark(z0)) → c27(S(z0))
S(ok(z0)) → c28(S(z0))
ADD(mark(z0), z1) → c29(ADD(z0, z1))
ADD(z0, mark(z1)) → c30(ADD(z0, z1))
ADD(ok(z0), ok(z1)) → c31(ADD(z0, z1))
DBL(mark(z0)) → c32(DBL(z0))
DBL(ok(z0)) → c33(DBL(z0))
FIRST(mark(z0), z1) → c34(FIRST(z0, z1))
FIRST(z0, mark(z1)) → c35(FIRST(z0, z1))
FIRST(ok(z0), ok(z1)) → c36(FIRST(z0, z1))
S tuples:

TERMS(mark(z0)) → c19(TERMS(z0))
TERMS(ok(z0)) → c20(TERMS(z0))
CONS(mark(z0), z1) → c21(CONS(z0, z1))
CONS(ok(z0), ok(z1)) → c22(CONS(z0, z1))
RECIP(mark(z0)) → c23(RECIP(z0))
RECIP(ok(z0)) → c24(RECIP(z0))
SQR(mark(z0)) → c25(SQR(z0))
SQR(ok(z0)) → c26(SQR(z0))
S(mark(z0)) → c27(S(z0))
S(ok(z0)) → c28(S(z0))
ADD(mark(z0), z1) → c29(ADD(z0, z1))
ADD(z0, mark(z1)) → c30(ADD(z0, z1))
ADD(ok(z0), ok(z1)) → c31(ADD(z0, z1))
DBL(mark(z0)) → c32(DBL(z0))
DBL(ok(z0)) → c33(DBL(z0))
FIRST(mark(z0), z1) → c34(FIRST(z0, z1))
FIRST(z0, mark(z1)) → c35(FIRST(z0, z1))
FIRST(ok(z0), ok(z1)) → c36(FIRST(z0, z1))
K tuples:none
Defined Rule Symbols:none

Defined Pair Symbols:

TERMS, CONS, RECIP, SQR, S, ADD, DBL, FIRST

Compound Symbols:

c19, c20, c21, c22, c23, c24, c25, c26, c27, c28, c29, c30, c31, c32, c33, c34, c35, c36

(73) CdtRuleRemovalProof (UPPER BOUND (ADD(O(n^1))) transformation)

Found a reduction pair which oriented the following tuples strictly. Hence they can be removed from S.

ADD(mark(z0), z1) → c29(ADD(z0, z1))
ADD(ok(z0), ok(z1)) → c31(ADD(z0, z1))
We considered the (Usable) Rules:none
And the Tuples:

TERMS(mark(z0)) → c19(TERMS(z0))
TERMS(ok(z0)) → c20(TERMS(z0))
CONS(mark(z0), z1) → c21(CONS(z0, z1))
CONS(ok(z0), ok(z1)) → c22(CONS(z0, z1))
RECIP(mark(z0)) → c23(RECIP(z0))
RECIP(ok(z0)) → c24(RECIP(z0))
SQR(mark(z0)) → c25(SQR(z0))
SQR(ok(z0)) → c26(SQR(z0))
S(mark(z0)) → c27(S(z0))
S(ok(z0)) → c28(S(z0))
ADD(mark(z0), z1) → c29(ADD(z0, z1))
ADD(z0, mark(z1)) → c30(ADD(z0, z1))
ADD(ok(z0), ok(z1)) → c31(ADD(z0, z1))
DBL(mark(z0)) → c32(DBL(z0))
DBL(ok(z0)) → c33(DBL(z0))
FIRST(mark(z0), z1) → c34(FIRST(z0, z1))
FIRST(z0, mark(z1)) → c35(FIRST(z0, z1))
FIRST(ok(z0), ok(z1)) → c36(FIRST(z0, z1))
The order we found is given by the following interpretation:
Polynomial interpretation :

POL(ADD(x1, x2)) = [4]x1   
POL(CONS(x1, x2)) = 0   
POL(DBL(x1)) = 0   
POL(FIRST(x1, x2)) = 0   
POL(RECIP(x1)) = 0   
POL(S(x1)) = 0   
POL(SQR(x1)) = 0   
POL(TERMS(x1)) = 0   
POL(c19(x1)) = x1   
POL(c20(x1)) = x1   
POL(c21(x1)) = x1   
POL(c22(x1)) = x1   
POL(c23(x1)) = x1   
POL(c24(x1)) = x1   
POL(c25(x1)) = x1   
POL(c26(x1)) = x1   
POL(c27(x1)) = x1   
POL(c28(x1)) = x1   
POL(c29(x1)) = x1   
POL(c30(x1)) = x1   
POL(c31(x1)) = x1   
POL(c32(x1)) = x1   
POL(c33(x1)) = x1   
POL(c34(x1)) = x1   
POL(c35(x1)) = x1   
POL(c36(x1)) = x1   
POL(mark(x1)) = [4] + x1   
POL(ok(x1)) = [1] + x1   

(74) Obligation:

Complexity Dependency Tuples Problem
Rules:none
Tuples:

TERMS(mark(z0)) → c19(TERMS(z0))
TERMS(ok(z0)) → c20(TERMS(z0))
CONS(mark(z0), z1) → c21(CONS(z0, z1))
CONS(ok(z0), ok(z1)) → c22(CONS(z0, z1))
RECIP(mark(z0)) → c23(RECIP(z0))
RECIP(ok(z0)) → c24(RECIP(z0))
SQR(mark(z0)) → c25(SQR(z0))
SQR(ok(z0)) → c26(SQR(z0))
S(mark(z0)) → c27(S(z0))
S(ok(z0)) → c28(S(z0))
ADD(mark(z0), z1) → c29(ADD(z0, z1))
ADD(z0, mark(z1)) → c30(ADD(z0, z1))
ADD(ok(z0), ok(z1)) → c31(ADD(z0, z1))
DBL(mark(z0)) → c32(DBL(z0))
DBL(ok(z0)) → c33(DBL(z0))
FIRST(mark(z0), z1) → c34(FIRST(z0, z1))
FIRST(z0, mark(z1)) → c35(FIRST(z0, z1))
FIRST(ok(z0), ok(z1)) → c36(FIRST(z0, z1))
S tuples:

TERMS(mark(z0)) → c19(TERMS(z0))
TERMS(ok(z0)) → c20(TERMS(z0))
CONS(mark(z0), z1) → c21(CONS(z0, z1))
CONS(ok(z0), ok(z1)) → c22(CONS(z0, z1))
RECIP(mark(z0)) → c23(RECIP(z0))
RECIP(ok(z0)) → c24(RECIP(z0))
SQR(mark(z0)) → c25(SQR(z0))
SQR(ok(z0)) → c26(SQR(z0))
S(mark(z0)) → c27(S(z0))
S(ok(z0)) → c28(S(z0))
ADD(z0, mark(z1)) → c30(ADD(z0, z1))
DBL(mark(z0)) → c32(DBL(z0))
DBL(ok(z0)) → c33(DBL(z0))
FIRST(mark(z0), z1) → c34(FIRST(z0, z1))
FIRST(z0, mark(z1)) → c35(FIRST(z0, z1))
FIRST(ok(z0), ok(z1)) → c36(FIRST(z0, z1))
K tuples:

ADD(mark(z0), z1) → c29(ADD(z0, z1))
ADD(ok(z0), ok(z1)) → c31(ADD(z0, z1))
Defined Rule Symbols:none

Defined Pair Symbols:

TERMS, CONS, RECIP, SQR, S, ADD, DBL, FIRST

Compound Symbols:

c19, c20, c21, c22, c23, c24, c25, c26, c27, c28, c29, c30, c31, c32, c33, c34, c35, c36

(75) CdtRuleRemovalProof (UPPER BOUND (ADD(O(n^1))) transformation)

Found a reduction pair which oriented the following tuples strictly. Hence they can be removed from S.

TERMS(mark(z0)) → c19(TERMS(z0))
TERMS(ok(z0)) → c20(TERMS(z0))
CONS(ok(z0), ok(z1)) → c22(CONS(z0, z1))
RECIP(mark(z0)) → c23(RECIP(z0))
RECIP(ok(z0)) → c24(RECIP(z0))
We considered the (Usable) Rules:none
And the Tuples:

TERMS(mark(z0)) → c19(TERMS(z0))
TERMS(ok(z0)) → c20(TERMS(z0))
CONS(mark(z0), z1) → c21(CONS(z0, z1))
CONS(ok(z0), ok(z1)) → c22(CONS(z0, z1))
RECIP(mark(z0)) → c23(RECIP(z0))
RECIP(ok(z0)) → c24(RECIP(z0))
SQR(mark(z0)) → c25(SQR(z0))
SQR(ok(z0)) → c26(SQR(z0))
S(mark(z0)) → c27(S(z0))
S(ok(z0)) → c28(S(z0))
ADD(mark(z0), z1) → c29(ADD(z0, z1))
ADD(z0, mark(z1)) → c30(ADD(z0, z1))
ADD(ok(z0), ok(z1)) → c31(ADD(z0, z1))
DBL(mark(z0)) → c32(DBL(z0))
DBL(ok(z0)) → c33(DBL(z0))
FIRST(mark(z0), z1) → c34(FIRST(z0, z1))
FIRST(z0, mark(z1)) → c35(FIRST(z0, z1))
FIRST(ok(z0), ok(z1)) → c36(FIRST(z0, z1))
The order we found is given by the following interpretation:
Polynomial interpretation :

POL(ADD(x1, x2)) = [4]x1   
POL(CONS(x1, x2)) = x2   
POL(DBL(x1)) = 0   
POL(FIRST(x1, x2)) = 0   
POL(RECIP(x1)) = [3]x1   
POL(S(x1)) = 0   
POL(SQR(x1)) = 0   
POL(TERMS(x1)) = [4]x1   
POL(c19(x1)) = x1   
POL(c20(x1)) = x1   
POL(c21(x1)) = x1   
POL(c22(x1)) = x1   
POL(c23(x1)) = x1   
POL(c24(x1)) = x1   
POL(c25(x1)) = x1   
POL(c26(x1)) = x1   
POL(c27(x1)) = x1   
POL(c28(x1)) = x1   
POL(c29(x1)) = x1   
POL(c30(x1)) = x1   
POL(c31(x1)) = x1   
POL(c32(x1)) = x1   
POL(c33(x1)) = x1   
POL(c34(x1)) = x1   
POL(c35(x1)) = x1   
POL(c36(x1)) = x1   
POL(mark(x1)) = [1] + x1   
POL(ok(x1)) = [4] + x1   

(76) Obligation:

Complexity Dependency Tuples Problem
Rules:none
Tuples:

TERMS(mark(z0)) → c19(TERMS(z0))
TERMS(ok(z0)) → c20(TERMS(z0))
CONS(mark(z0), z1) → c21(CONS(z0, z1))
CONS(ok(z0), ok(z1)) → c22(CONS(z0, z1))
RECIP(mark(z0)) → c23(RECIP(z0))
RECIP(ok(z0)) → c24(RECIP(z0))
SQR(mark(z0)) → c25(SQR(z0))
SQR(ok(z0)) → c26(SQR(z0))
S(mark(z0)) → c27(S(z0))
S(ok(z0)) → c28(S(z0))
ADD(mark(z0), z1) → c29(ADD(z0, z1))
ADD(z0, mark(z1)) → c30(ADD(z0, z1))
ADD(ok(z0), ok(z1)) → c31(ADD(z0, z1))
DBL(mark(z0)) → c32(DBL(z0))
DBL(ok(z0)) → c33(DBL(z0))
FIRST(mark(z0), z1) → c34(FIRST(z0, z1))
FIRST(z0, mark(z1)) → c35(FIRST(z0, z1))
FIRST(ok(z0), ok(z1)) → c36(FIRST(z0, z1))
S tuples:

CONS(mark(z0), z1) → c21(CONS(z0, z1))
SQR(mark(z0)) → c25(SQR(z0))
SQR(ok(z0)) → c26(SQR(z0))
S(mark(z0)) → c27(S(z0))
S(ok(z0)) → c28(S(z0))
ADD(z0, mark(z1)) → c30(ADD(z0, z1))
DBL(mark(z0)) → c32(DBL(z0))
DBL(ok(z0)) → c33(DBL(z0))
FIRST(mark(z0), z1) → c34(FIRST(z0, z1))
FIRST(z0, mark(z1)) → c35(FIRST(z0, z1))
FIRST(ok(z0), ok(z1)) → c36(FIRST(z0, z1))
K tuples:

ADD(mark(z0), z1) → c29(ADD(z0, z1))
ADD(ok(z0), ok(z1)) → c31(ADD(z0, z1))
TERMS(mark(z0)) → c19(TERMS(z0))
TERMS(ok(z0)) → c20(TERMS(z0))
CONS(ok(z0), ok(z1)) → c22(CONS(z0, z1))
RECIP(mark(z0)) → c23(RECIP(z0))
RECIP(ok(z0)) → c24(RECIP(z0))
Defined Rule Symbols:none

Defined Pair Symbols:

TERMS, CONS, RECIP, SQR, S, ADD, DBL, FIRST

Compound Symbols:

c19, c20, c21, c22, c23, c24, c25, c26, c27, c28, c29, c30, c31, c32, c33, c34, c35, c36

(77) CdtRuleRemovalProof (UPPER BOUND (ADD(O(n^1))) transformation)

Found a reduction pair which oriented the following tuples strictly. Hence they can be removed from S.

FIRST(z0, mark(z1)) → c35(FIRST(z0, z1))
We considered the (Usable) Rules:none
And the Tuples:

TERMS(mark(z0)) → c19(TERMS(z0))
TERMS(ok(z0)) → c20(TERMS(z0))
CONS(mark(z0), z1) → c21(CONS(z0, z1))
CONS(ok(z0), ok(z1)) → c22(CONS(z0, z1))
RECIP(mark(z0)) → c23(RECIP(z0))
RECIP(ok(z0)) → c24(RECIP(z0))
SQR(mark(z0)) → c25(SQR(z0))
SQR(ok(z0)) → c26(SQR(z0))
S(mark(z0)) → c27(S(z0))
S(ok(z0)) → c28(S(z0))
ADD(mark(z0), z1) → c29(ADD(z0, z1))
ADD(z0, mark(z1)) → c30(ADD(z0, z1))
ADD(ok(z0), ok(z1)) → c31(ADD(z0, z1))
DBL(mark(z0)) → c32(DBL(z0))
DBL(ok(z0)) → c33(DBL(z0))
FIRST(mark(z0), z1) → c34(FIRST(z0, z1))
FIRST(z0, mark(z1)) → c35(FIRST(z0, z1))
FIRST(ok(z0), ok(z1)) → c36(FIRST(z0, z1))
The order we found is given by the following interpretation:
Polynomial interpretation :

POL(ADD(x1, x2)) = 0   
POL(CONS(x1, x2)) = 0   
POL(DBL(x1)) = 0   
POL(FIRST(x1, x2)) = [4]x2   
POL(RECIP(x1)) = [3]x1   
POL(S(x1)) = 0   
POL(SQR(x1)) = 0   
POL(TERMS(x1)) = 0   
POL(c19(x1)) = x1   
POL(c20(x1)) = x1   
POL(c21(x1)) = x1   
POL(c22(x1)) = x1   
POL(c23(x1)) = x1   
POL(c24(x1)) = x1   
POL(c25(x1)) = x1   
POL(c26(x1)) = x1   
POL(c27(x1)) = x1   
POL(c28(x1)) = x1   
POL(c29(x1)) = x1   
POL(c30(x1)) = x1   
POL(c31(x1)) = x1   
POL(c32(x1)) = x1   
POL(c33(x1)) = x1   
POL(c34(x1)) = x1   
POL(c35(x1)) = x1   
POL(c36(x1)) = x1   
POL(mark(x1)) = [2] + x1   
POL(ok(x1)) = x1   

(78) Obligation:

Complexity Dependency Tuples Problem
Rules:none
Tuples:

TERMS(mark(z0)) → c19(TERMS(z0))
TERMS(ok(z0)) → c20(TERMS(z0))
CONS(mark(z0), z1) → c21(CONS(z0, z1))
CONS(ok(z0), ok(z1)) → c22(CONS(z0, z1))
RECIP(mark(z0)) → c23(RECIP(z0))
RECIP(ok(z0)) → c24(RECIP(z0))
SQR(mark(z0)) → c25(SQR(z0))
SQR(ok(z0)) → c26(SQR(z0))
S(mark(z0)) → c27(S(z0))
S(ok(z0)) → c28(S(z0))
ADD(mark(z0), z1) → c29(ADD(z0, z1))
ADD(z0, mark(z1)) → c30(ADD(z0, z1))
ADD(ok(z0), ok(z1)) → c31(ADD(z0, z1))
DBL(mark(z0)) → c32(DBL(z0))
DBL(ok(z0)) → c33(DBL(z0))
FIRST(mark(z0), z1) → c34(FIRST(z0, z1))
FIRST(z0, mark(z1)) → c35(FIRST(z0, z1))
FIRST(ok(z0), ok(z1)) → c36(FIRST(z0, z1))
S tuples:

CONS(mark(z0), z1) → c21(CONS(z0, z1))
SQR(mark(z0)) → c25(SQR(z0))
SQR(ok(z0)) → c26(SQR(z0))
S(mark(z0)) → c27(S(z0))
S(ok(z0)) → c28(S(z0))
ADD(z0, mark(z1)) → c30(ADD(z0, z1))
DBL(mark(z0)) → c32(DBL(z0))
DBL(ok(z0)) → c33(DBL(z0))
FIRST(mark(z0), z1) → c34(FIRST(z0, z1))
FIRST(ok(z0), ok(z1)) → c36(FIRST(z0, z1))
K tuples:

ADD(mark(z0), z1) → c29(ADD(z0, z1))
ADD(ok(z0), ok(z1)) → c31(ADD(z0, z1))
TERMS(mark(z0)) → c19(TERMS(z0))
TERMS(ok(z0)) → c20(TERMS(z0))
CONS(ok(z0), ok(z1)) → c22(CONS(z0, z1))
RECIP(mark(z0)) → c23(RECIP(z0))
RECIP(ok(z0)) → c24(RECIP(z0))
FIRST(z0, mark(z1)) → c35(FIRST(z0, z1))
Defined Rule Symbols:none

Defined Pair Symbols:

TERMS, CONS, RECIP, SQR, S, ADD, DBL, FIRST

Compound Symbols:

c19, c20, c21, c22, c23, c24, c25, c26, c27, c28, c29, c30, c31, c32, c33, c34, c35, c36

(79) CdtRuleRemovalProof (UPPER BOUND (ADD(O(n^1))) transformation)

Found a reduction pair which oriented the following tuples strictly. Hence they can be removed from S.

SQR(ok(z0)) → c26(SQR(z0))
We considered the (Usable) Rules:none
And the Tuples:

TERMS(mark(z0)) → c19(TERMS(z0))
TERMS(ok(z0)) → c20(TERMS(z0))
CONS(mark(z0), z1) → c21(CONS(z0, z1))
CONS(ok(z0), ok(z1)) → c22(CONS(z0, z1))
RECIP(mark(z0)) → c23(RECIP(z0))
RECIP(ok(z0)) → c24(RECIP(z0))
SQR(mark(z0)) → c25(SQR(z0))
SQR(ok(z0)) → c26(SQR(z0))
S(mark(z0)) → c27(S(z0))
S(ok(z0)) → c28(S(z0))
ADD(mark(z0), z1) → c29(ADD(z0, z1))
ADD(z0, mark(z1)) → c30(ADD(z0, z1))
ADD(ok(z0), ok(z1)) → c31(ADD(z0, z1))
DBL(mark(z0)) → c32(DBL(z0))
DBL(ok(z0)) → c33(DBL(z0))
FIRST(mark(z0), z1) → c34(FIRST(z0, z1))
FIRST(z0, mark(z1)) → c35(FIRST(z0, z1))
FIRST(ok(z0), ok(z1)) → c36(FIRST(z0, z1))
The order we found is given by the following interpretation:
Polynomial interpretation :

POL(ADD(x1, x2)) = [2]x1   
POL(CONS(x1, x2)) = 0   
POL(DBL(x1)) = 0   
POL(FIRST(x1, x2)) = 0   
POL(RECIP(x1)) = [4]x1   
POL(S(x1)) = 0   
POL(SQR(x1)) = [4]x1   
POL(TERMS(x1)) = 0   
POL(c19(x1)) = x1   
POL(c20(x1)) = x1   
POL(c21(x1)) = x1   
POL(c22(x1)) = x1   
POL(c23(x1)) = x1   
POL(c24(x1)) = x1   
POL(c25(x1)) = x1   
POL(c26(x1)) = x1   
POL(c27(x1)) = x1   
POL(c28(x1)) = x1   
POL(c29(x1)) = x1   
POL(c30(x1)) = x1   
POL(c31(x1)) = x1   
POL(c32(x1)) = x1   
POL(c33(x1)) = x1   
POL(c34(x1)) = x1   
POL(c35(x1)) = x1   
POL(c36(x1)) = x1   
POL(mark(x1)) = x1   
POL(ok(x1)) = [4] + x1   

(80) Obligation:

Complexity Dependency Tuples Problem
Rules:none
Tuples:

TERMS(mark(z0)) → c19(TERMS(z0))
TERMS(ok(z0)) → c20(TERMS(z0))
CONS(mark(z0), z1) → c21(CONS(z0, z1))
CONS(ok(z0), ok(z1)) → c22(CONS(z0, z1))
RECIP(mark(z0)) → c23(RECIP(z0))
RECIP(ok(z0)) → c24(RECIP(z0))
SQR(mark(z0)) → c25(SQR(z0))
SQR(ok(z0)) → c26(SQR(z0))
S(mark(z0)) → c27(S(z0))
S(ok(z0)) → c28(S(z0))
ADD(mark(z0), z1) → c29(ADD(z0, z1))
ADD(z0, mark(z1)) → c30(ADD(z0, z1))
ADD(ok(z0), ok(z1)) → c31(ADD(z0, z1))
DBL(mark(z0)) → c32(DBL(z0))
DBL(ok(z0)) → c33(DBL(z0))
FIRST(mark(z0), z1) → c34(FIRST(z0, z1))
FIRST(z0, mark(z1)) → c35(FIRST(z0, z1))
FIRST(ok(z0), ok(z1)) → c36(FIRST(z0, z1))
S tuples:

CONS(mark(z0), z1) → c21(CONS(z0, z1))
SQR(mark(z0)) → c25(SQR(z0))
S(mark(z0)) → c27(S(z0))
S(ok(z0)) → c28(S(z0))
ADD(z0, mark(z1)) → c30(ADD(z0, z1))
DBL(mark(z0)) → c32(DBL(z0))
DBL(ok(z0)) → c33(DBL(z0))
FIRST(mark(z0), z1) → c34(FIRST(z0, z1))
FIRST(ok(z0), ok(z1)) → c36(FIRST(z0, z1))
K tuples:

ADD(mark(z0), z1) → c29(ADD(z0, z1))
ADD(ok(z0), ok(z1)) → c31(ADD(z0, z1))
TERMS(mark(z0)) → c19(TERMS(z0))
TERMS(ok(z0)) → c20(TERMS(z0))
CONS(ok(z0), ok(z1)) → c22(CONS(z0, z1))
RECIP(mark(z0)) → c23(RECIP(z0))
RECIP(ok(z0)) → c24(RECIP(z0))
FIRST(z0, mark(z1)) → c35(FIRST(z0, z1))
SQR(ok(z0)) → c26(SQR(z0))
Defined Rule Symbols:none

Defined Pair Symbols:

TERMS, CONS, RECIP, SQR, S, ADD, DBL, FIRST

Compound Symbols:

c19, c20, c21, c22, c23, c24, c25, c26, c27, c28, c29, c30, c31, c32, c33, c34, c35, c36

(81) CdtRuleRemovalProof (UPPER BOUND (ADD(O(n^1))) transformation)

Found a reduction pair which oriented the following tuples strictly. Hence they can be removed from S.

ADD(z0, mark(z1)) → c30(ADD(z0, z1))
DBL(mark(z0)) → c32(DBL(z0))
We considered the (Usable) Rules:none
And the Tuples:

TERMS(mark(z0)) → c19(TERMS(z0))
TERMS(ok(z0)) → c20(TERMS(z0))
CONS(mark(z0), z1) → c21(CONS(z0, z1))
CONS(ok(z0), ok(z1)) → c22(CONS(z0, z1))
RECIP(mark(z0)) → c23(RECIP(z0))
RECIP(ok(z0)) → c24(RECIP(z0))
SQR(mark(z0)) → c25(SQR(z0))
SQR(ok(z0)) → c26(SQR(z0))
S(mark(z0)) → c27(S(z0))
S(ok(z0)) → c28(S(z0))
ADD(mark(z0), z1) → c29(ADD(z0, z1))
ADD(z0, mark(z1)) → c30(ADD(z0, z1))
ADD(ok(z0), ok(z1)) → c31(ADD(z0, z1))
DBL(mark(z0)) → c32(DBL(z0))
DBL(ok(z0)) → c33(DBL(z0))
FIRST(mark(z0), z1) → c34(FIRST(z0, z1))
FIRST(z0, mark(z1)) → c35(FIRST(z0, z1))
FIRST(ok(z0), ok(z1)) → c36(FIRST(z0, z1))
The order we found is given by the following interpretation:
Polynomial interpretation :

POL(ADD(x1, x2)) = [2]x1 + x2   
POL(CONS(x1, x2)) = [4]x2   
POL(DBL(x1)) = x1   
POL(FIRST(x1, x2)) = 0   
POL(RECIP(x1)) = [3]x1   
POL(S(x1)) = 0   
POL(SQR(x1)) = 0   
POL(TERMS(x1)) = [2]x1   
POL(c19(x1)) = x1   
POL(c20(x1)) = x1   
POL(c21(x1)) = x1   
POL(c22(x1)) = x1   
POL(c23(x1)) = x1   
POL(c24(x1)) = x1   
POL(c25(x1)) = x1   
POL(c26(x1)) = x1   
POL(c27(x1)) = x1   
POL(c28(x1)) = x1   
POL(c29(x1)) = x1   
POL(c30(x1)) = x1   
POL(c31(x1)) = x1   
POL(c32(x1)) = x1   
POL(c33(x1)) = x1   
POL(c34(x1)) = x1   
POL(c35(x1)) = x1   
POL(c36(x1)) = x1   
POL(mark(x1)) = [1] + x1   
POL(ok(x1)) = x1   

(82) Obligation:

Complexity Dependency Tuples Problem
Rules:none
Tuples:

TERMS(mark(z0)) → c19(TERMS(z0))
TERMS(ok(z0)) → c20(TERMS(z0))
CONS(mark(z0), z1) → c21(CONS(z0, z1))
CONS(ok(z0), ok(z1)) → c22(CONS(z0, z1))
RECIP(mark(z0)) → c23(RECIP(z0))
RECIP(ok(z0)) → c24(RECIP(z0))
SQR(mark(z0)) → c25(SQR(z0))
SQR(ok(z0)) → c26(SQR(z0))
S(mark(z0)) → c27(S(z0))
S(ok(z0)) → c28(S(z0))
ADD(mark(z0), z1) → c29(ADD(z0, z1))
ADD(z0, mark(z1)) → c30(ADD(z0, z1))
ADD(ok(z0), ok(z1)) → c31(ADD(z0, z1))
DBL(mark(z0)) → c32(DBL(z0))
DBL(ok(z0)) → c33(DBL(z0))
FIRST(mark(z0), z1) → c34(FIRST(z0, z1))
FIRST(z0, mark(z1)) → c35(FIRST(z0, z1))
FIRST(ok(z0), ok(z1)) → c36(FIRST(z0, z1))
S tuples:

CONS(mark(z0), z1) → c21(CONS(z0, z1))
SQR(mark(z0)) → c25(SQR(z0))
S(mark(z0)) → c27(S(z0))
S(ok(z0)) → c28(S(z0))
DBL(ok(z0)) → c33(DBL(z0))
FIRST(mark(z0), z1) → c34(FIRST(z0, z1))
FIRST(ok(z0), ok(z1)) → c36(FIRST(z0, z1))
K tuples:

ADD(mark(z0), z1) → c29(ADD(z0, z1))
ADD(ok(z0), ok(z1)) → c31(ADD(z0, z1))
TERMS(mark(z0)) → c19(TERMS(z0))
TERMS(ok(z0)) → c20(TERMS(z0))
CONS(ok(z0), ok(z1)) → c22(CONS(z0, z1))
RECIP(mark(z0)) → c23(RECIP(z0))
RECIP(ok(z0)) → c24(RECIP(z0))
FIRST(z0, mark(z1)) → c35(FIRST(z0, z1))
SQR(ok(z0)) → c26(SQR(z0))
ADD(z0, mark(z1)) → c30(ADD(z0, z1))
DBL(mark(z0)) → c32(DBL(z0))
Defined Rule Symbols:none

Defined Pair Symbols:

TERMS, CONS, RECIP, SQR, S, ADD, DBL, FIRST

Compound Symbols:

c19, c20, c21, c22, c23, c24, c25, c26, c27, c28, c29, c30, c31, c32, c33, c34, c35, c36

(83) CdtRuleRemovalProof (UPPER BOUND (ADD(O(n^1))) transformation)

Found a reduction pair which oriented the following tuples strictly. Hence they can be removed from S.

FIRST(ok(z0), ok(z1)) → c36(FIRST(z0, z1))
We considered the (Usable) Rules:none
And the Tuples:

TERMS(mark(z0)) → c19(TERMS(z0))
TERMS(ok(z0)) → c20(TERMS(z0))
CONS(mark(z0), z1) → c21(CONS(z0, z1))
CONS(ok(z0), ok(z1)) → c22(CONS(z0, z1))
RECIP(mark(z0)) → c23(RECIP(z0))
RECIP(ok(z0)) → c24(RECIP(z0))
SQR(mark(z0)) → c25(SQR(z0))
SQR(ok(z0)) → c26(SQR(z0))
S(mark(z0)) → c27(S(z0))
S(ok(z0)) → c28(S(z0))
ADD(mark(z0), z1) → c29(ADD(z0, z1))
ADD(z0, mark(z1)) → c30(ADD(z0, z1))
ADD(ok(z0), ok(z1)) → c31(ADD(z0, z1))
DBL(mark(z0)) → c32(DBL(z0))
DBL(ok(z0)) → c33(DBL(z0))
FIRST(mark(z0), z1) → c34(FIRST(z0, z1))
FIRST(z0, mark(z1)) → c35(FIRST(z0, z1))
FIRST(ok(z0), ok(z1)) → c36(FIRST(z0, z1))
The order we found is given by the following interpretation:
Polynomial interpretation :

POL(ADD(x1, x2)) = 0   
POL(CONS(x1, x2)) = [3]x2   
POL(DBL(x1)) = 0   
POL(FIRST(x1, x2)) = [4]x1   
POL(RECIP(x1)) = 0   
POL(S(x1)) = 0   
POL(SQR(x1)) = 0   
POL(TERMS(x1)) = [2]x1   
POL(c19(x1)) = x1   
POL(c20(x1)) = x1   
POL(c21(x1)) = x1   
POL(c22(x1)) = x1   
POL(c23(x1)) = x1   
POL(c24(x1)) = x1   
POL(c25(x1)) = x1   
POL(c26(x1)) = x1   
POL(c27(x1)) = x1   
POL(c28(x1)) = x1   
POL(c29(x1)) = x1   
POL(c30(x1)) = x1   
POL(c31(x1)) = x1   
POL(c32(x1)) = x1   
POL(c33(x1)) = x1   
POL(c34(x1)) = x1   
POL(c35(x1)) = x1   
POL(c36(x1)) = x1   
POL(mark(x1)) = x1   
POL(ok(x1)) = [2] + x1   

(84) Obligation:

Complexity Dependency Tuples Problem
Rules:none
Tuples:

TERMS(mark(z0)) → c19(TERMS(z0))
TERMS(ok(z0)) → c20(TERMS(z0))
CONS(mark(z0), z1) → c21(CONS(z0, z1))
CONS(ok(z0), ok(z1)) → c22(CONS(z0, z1))
RECIP(mark(z0)) → c23(RECIP(z0))
RECIP(ok(z0)) → c24(RECIP(z0))
SQR(mark(z0)) → c25(SQR(z0))
SQR(ok(z0)) → c26(SQR(z0))
S(mark(z0)) → c27(S(z0))
S(ok(z0)) → c28(S(z0))
ADD(mark(z0), z1) → c29(ADD(z0, z1))
ADD(z0, mark(z1)) → c30(ADD(z0, z1))
ADD(ok(z0), ok(z1)) → c31(ADD(z0, z1))
DBL(mark(z0)) → c32(DBL(z0))
DBL(ok(z0)) → c33(DBL(z0))
FIRST(mark(z0), z1) → c34(FIRST(z0, z1))
FIRST(z0, mark(z1)) → c35(FIRST(z0, z1))
FIRST(ok(z0), ok(z1)) → c36(FIRST(z0, z1))
S tuples:

CONS(mark(z0), z1) → c21(CONS(z0, z1))
SQR(mark(z0)) → c25(SQR(z0))
S(mark(z0)) → c27(S(z0))
S(ok(z0)) → c28(S(z0))
DBL(ok(z0)) → c33(DBL(z0))
FIRST(mark(z0), z1) → c34(FIRST(z0, z1))
K tuples:

ADD(mark(z0), z1) → c29(ADD(z0, z1))
ADD(ok(z0), ok(z1)) → c31(ADD(z0, z1))
TERMS(mark(z0)) → c19(TERMS(z0))
TERMS(ok(z0)) → c20(TERMS(z0))
CONS(ok(z0), ok(z1)) → c22(CONS(z0, z1))
RECIP(mark(z0)) → c23(RECIP(z0))
RECIP(ok(z0)) → c24(RECIP(z0))
FIRST(z0, mark(z1)) → c35(FIRST(z0, z1))
SQR(ok(z0)) → c26(SQR(z0))
ADD(z0, mark(z1)) → c30(ADD(z0, z1))
DBL(mark(z0)) → c32(DBL(z0))
FIRST(ok(z0), ok(z1)) → c36(FIRST(z0, z1))
Defined Rule Symbols:none

Defined Pair Symbols:

TERMS, CONS, RECIP, SQR, S, ADD, DBL, FIRST

Compound Symbols:

c19, c20, c21, c22, c23, c24, c25, c26, c27, c28, c29, c30, c31, c32, c33, c34, c35, c36

(85) CdtRuleRemovalProof (UPPER BOUND (ADD(O(n^1))) transformation)

Found a reduction pair which oriented the following tuples strictly. Hence they can be removed from S.

CONS(mark(z0), z1) → c21(CONS(z0, z1))
SQR(mark(z0)) → c25(SQR(z0))
We considered the (Usable) Rules:none
And the Tuples:

TERMS(mark(z0)) → c19(TERMS(z0))
TERMS(ok(z0)) → c20(TERMS(z0))
CONS(mark(z0), z1) → c21(CONS(z0, z1))
CONS(ok(z0), ok(z1)) → c22(CONS(z0, z1))
RECIP(mark(z0)) → c23(RECIP(z0))
RECIP(ok(z0)) → c24(RECIP(z0))
SQR(mark(z0)) → c25(SQR(z0))
SQR(ok(z0)) → c26(SQR(z0))
S(mark(z0)) → c27(S(z0))
S(ok(z0)) → c28(S(z0))
ADD(mark(z0), z1) → c29(ADD(z0, z1))
ADD(z0, mark(z1)) → c30(ADD(z0, z1))
ADD(ok(z0), ok(z1)) → c31(ADD(z0, z1))
DBL(mark(z0)) → c32(DBL(z0))
DBL(ok(z0)) → c33(DBL(z0))
FIRST(mark(z0), z1) → c34(FIRST(z0, z1))
FIRST(z0, mark(z1)) → c35(FIRST(z0, z1))
FIRST(ok(z0), ok(z1)) → c36(FIRST(z0, z1))
The order we found is given by the following interpretation:
Polynomial interpretation :

POL(ADD(x1, x2)) = [4]x1 + [2]x2   
POL(CONS(x1, x2)) = x1   
POL(DBL(x1)) = 0   
POL(FIRST(x1, x2)) = [3]x2   
POL(RECIP(x1)) = 0   
POL(S(x1)) = 0   
POL(SQR(x1)) = x1   
POL(TERMS(x1)) = 0   
POL(c19(x1)) = x1   
POL(c20(x1)) = x1   
POL(c21(x1)) = x1   
POL(c22(x1)) = x1   
POL(c23(x1)) = x1   
POL(c24(x1)) = x1   
POL(c25(x1)) = x1   
POL(c26(x1)) = x1   
POL(c27(x1)) = x1   
POL(c28(x1)) = x1   
POL(c29(x1)) = x1   
POL(c30(x1)) = x1   
POL(c31(x1)) = x1   
POL(c32(x1)) = x1   
POL(c33(x1)) = x1   
POL(c34(x1)) = x1   
POL(c35(x1)) = x1   
POL(c36(x1)) = x1   
POL(mark(x1)) = [1] + x1   
POL(ok(x1)) = x1   

(86) Obligation:

Complexity Dependency Tuples Problem
Rules:none
Tuples:

TERMS(mark(z0)) → c19(TERMS(z0))
TERMS(ok(z0)) → c20(TERMS(z0))
CONS(mark(z0), z1) → c21(CONS(z0, z1))
CONS(ok(z0), ok(z1)) → c22(CONS(z0, z1))
RECIP(mark(z0)) → c23(RECIP(z0))
RECIP(ok(z0)) → c24(RECIP(z0))
SQR(mark(z0)) → c25(SQR(z0))
SQR(ok(z0)) → c26(SQR(z0))
S(mark(z0)) → c27(S(z0))
S(ok(z0)) → c28(S(z0))
ADD(mark(z0), z1) → c29(ADD(z0, z1))
ADD(z0, mark(z1)) → c30(ADD(z0, z1))
ADD(ok(z0), ok(z1)) → c31(ADD(z0, z1))
DBL(mark(z0)) → c32(DBL(z0))
DBL(ok(z0)) → c33(DBL(z0))
FIRST(mark(z0), z1) → c34(FIRST(z0, z1))
FIRST(z0, mark(z1)) → c35(FIRST(z0, z1))
FIRST(ok(z0), ok(z1)) → c36(FIRST(z0, z1))
S tuples:

S(mark(z0)) → c27(S(z0))
S(ok(z0)) → c28(S(z0))
DBL(ok(z0)) → c33(DBL(z0))
FIRST(mark(z0), z1) → c34(FIRST(z0, z1))
K tuples:

ADD(mark(z0), z1) → c29(ADD(z0, z1))
ADD(ok(z0), ok(z1)) → c31(ADD(z0, z1))
TERMS(mark(z0)) → c19(TERMS(z0))
TERMS(ok(z0)) → c20(TERMS(z0))
CONS(ok(z0), ok(z1)) → c22(CONS(z0, z1))
RECIP(mark(z0)) → c23(RECIP(z0))
RECIP(ok(z0)) → c24(RECIP(z0))
FIRST(z0, mark(z1)) → c35(FIRST(z0, z1))
SQR(ok(z0)) → c26(SQR(z0))
ADD(z0, mark(z1)) → c30(ADD(z0, z1))
DBL(mark(z0)) → c32(DBL(z0))
FIRST(ok(z0), ok(z1)) → c36(FIRST(z0, z1))
CONS(mark(z0), z1) → c21(CONS(z0, z1))
SQR(mark(z0)) → c25(SQR(z0))
Defined Rule Symbols:none

Defined Pair Symbols:

TERMS, CONS, RECIP, SQR, S, ADD, DBL, FIRST

Compound Symbols:

c19, c20, c21, c22, c23, c24, c25, c26, c27, c28, c29, c30, c31, c32, c33, c34, c35, c36

(87) CdtRuleRemovalProof (UPPER BOUND (ADD(O(n^1))) transformation)

Found a reduction pair which oriented the following tuples strictly. Hence they can be removed from S.

S(mark(z0)) → c27(S(z0))
FIRST(mark(z0), z1) → c34(FIRST(z0, z1))
We considered the (Usable) Rules:none
And the Tuples:

TERMS(mark(z0)) → c19(TERMS(z0))
TERMS(ok(z0)) → c20(TERMS(z0))
CONS(mark(z0), z1) → c21(CONS(z0, z1))
CONS(ok(z0), ok(z1)) → c22(CONS(z0, z1))
RECIP(mark(z0)) → c23(RECIP(z0))
RECIP(ok(z0)) → c24(RECIP(z0))
SQR(mark(z0)) → c25(SQR(z0))
SQR(ok(z0)) → c26(SQR(z0))
S(mark(z0)) → c27(S(z0))
S(ok(z0)) → c28(S(z0))
ADD(mark(z0), z1) → c29(ADD(z0, z1))
ADD(z0, mark(z1)) → c30(ADD(z0, z1))
ADD(ok(z0), ok(z1)) → c31(ADD(z0, z1))
DBL(mark(z0)) → c32(DBL(z0))
DBL(ok(z0)) → c33(DBL(z0))
FIRST(mark(z0), z1) → c34(FIRST(z0, z1))
FIRST(z0, mark(z1)) → c35(FIRST(z0, z1))
FIRST(ok(z0), ok(z1)) → c36(FIRST(z0, z1))
The order we found is given by the following interpretation:
Polynomial interpretation :

POL(ADD(x1, x2)) = 0   
POL(CONS(x1, x2)) = [4]x2   
POL(DBL(x1)) = 0   
POL(FIRST(x1, x2)) = [4]x1 + [3]x2   
POL(RECIP(x1)) = x1   
POL(S(x1)) = x1   
POL(SQR(x1)) = 0   
POL(TERMS(x1)) = 0   
POL(c19(x1)) = x1   
POL(c20(x1)) = x1   
POL(c21(x1)) = x1   
POL(c22(x1)) = x1   
POL(c23(x1)) = x1   
POL(c24(x1)) = x1   
POL(c25(x1)) = x1   
POL(c26(x1)) = x1   
POL(c27(x1)) = x1   
POL(c28(x1)) = x1   
POL(c29(x1)) = x1   
POL(c30(x1)) = x1   
POL(c31(x1)) = x1   
POL(c32(x1)) = x1   
POL(c33(x1)) = x1   
POL(c34(x1)) = x1   
POL(c35(x1)) = x1   
POL(c36(x1)) = x1   
POL(mark(x1)) = [1] + x1   
POL(ok(x1)) = x1   

(88) Obligation:

Complexity Dependency Tuples Problem
Rules:none
Tuples:

TERMS(mark(z0)) → c19(TERMS(z0))
TERMS(ok(z0)) → c20(TERMS(z0))
CONS(mark(z0), z1) → c21(CONS(z0, z1))
CONS(ok(z0), ok(z1)) → c22(CONS(z0, z1))
RECIP(mark(z0)) → c23(RECIP(z0))
RECIP(ok(z0)) → c24(RECIP(z0))
SQR(mark(z0)) → c25(SQR(z0))
SQR(ok(z0)) → c26(SQR(z0))
S(mark(z0)) → c27(S(z0))
S(ok(z0)) → c28(S(z0))
ADD(mark(z0), z1) → c29(ADD(z0, z1))
ADD(z0, mark(z1)) → c30(ADD(z0, z1))
ADD(ok(z0), ok(z1)) → c31(ADD(z0, z1))
DBL(mark(z0)) → c32(DBL(z0))
DBL(ok(z0)) → c33(DBL(z0))
FIRST(mark(z0), z1) → c34(FIRST(z0, z1))
FIRST(z0, mark(z1)) → c35(FIRST(z0, z1))
FIRST(ok(z0), ok(z1)) → c36(FIRST(z0, z1))
S tuples:

S(ok(z0)) → c28(S(z0))
DBL(ok(z0)) → c33(DBL(z0))
K tuples:

ADD(mark(z0), z1) → c29(ADD(z0, z1))
ADD(ok(z0), ok(z1)) → c31(ADD(z0, z1))
TERMS(mark(z0)) → c19(TERMS(z0))
TERMS(ok(z0)) → c20(TERMS(z0))
CONS(ok(z0), ok(z1)) → c22(CONS(z0, z1))
RECIP(mark(z0)) → c23(RECIP(z0))
RECIP(ok(z0)) → c24(RECIP(z0))
FIRST(z0, mark(z1)) → c35(FIRST(z0, z1))
SQR(ok(z0)) → c26(SQR(z0))
ADD(z0, mark(z1)) → c30(ADD(z0, z1))
DBL(mark(z0)) → c32(DBL(z0))
FIRST(ok(z0), ok(z1)) → c36(FIRST(z0, z1))
CONS(mark(z0), z1) → c21(CONS(z0, z1))
SQR(mark(z0)) → c25(SQR(z0))
S(mark(z0)) → c27(S(z0))
FIRST(mark(z0), z1) → c34(FIRST(z0, z1))
Defined Rule Symbols:none

Defined Pair Symbols:

TERMS, CONS, RECIP, SQR, S, ADD, DBL, FIRST

Compound Symbols:

c19, c20, c21, c22, c23, c24, c25, c26, c27, c28, c29, c30, c31, c32, c33, c34, c35, c36

(89) CdtRuleRemovalProof (UPPER BOUND (ADD(O(n^1))) transformation)

Found a reduction pair which oriented the following tuples strictly. Hence they can be removed from S.

S(ok(z0)) → c28(S(z0))
We considered the (Usable) Rules:none
And the Tuples:

TERMS(mark(z0)) → c19(TERMS(z0))
TERMS(ok(z0)) → c20(TERMS(z0))
CONS(mark(z0), z1) → c21(CONS(z0, z1))
CONS(ok(z0), ok(z1)) → c22(CONS(z0, z1))
RECIP(mark(z0)) → c23(RECIP(z0))
RECIP(ok(z0)) → c24(RECIP(z0))
SQR(mark(z0)) → c25(SQR(z0))
SQR(ok(z0)) → c26(SQR(z0))
S(mark(z0)) → c27(S(z0))
S(ok(z0)) → c28(S(z0))
ADD(mark(z0), z1) → c29(ADD(z0, z1))
ADD(z0, mark(z1)) → c30(ADD(z0, z1))
ADD(ok(z0), ok(z1)) → c31(ADD(z0, z1))
DBL(mark(z0)) → c32(DBL(z0))
DBL(ok(z0)) → c33(DBL(z0))
FIRST(mark(z0), z1) → c34(FIRST(z0, z1))
FIRST(z0, mark(z1)) → c35(FIRST(z0, z1))
FIRST(ok(z0), ok(z1)) → c36(FIRST(z0, z1))
The order we found is given by the following interpretation:
Polynomial interpretation :

POL(ADD(x1, x2)) = [2]x1 + [2]x2   
POL(CONS(x1, x2)) = 0   
POL(DBL(x1)) = 0   
POL(FIRST(x1, x2)) = [2]x2   
POL(RECIP(x1)) = 0   
POL(S(x1)) = [4]x1   
POL(SQR(x1)) = 0   
POL(TERMS(x1)) = 0   
POL(c19(x1)) = x1   
POL(c20(x1)) = x1   
POL(c21(x1)) = x1   
POL(c22(x1)) = x1   
POL(c23(x1)) = x1   
POL(c24(x1)) = x1   
POL(c25(x1)) = x1   
POL(c26(x1)) = x1   
POL(c27(x1)) = x1   
POL(c28(x1)) = x1   
POL(c29(x1)) = x1   
POL(c30(x1)) = x1   
POL(c31(x1)) = x1   
POL(c32(x1)) = x1   
POL(c33(x1)) = x1   
POL(c34(x1)) = x1   
POL(c35(x1)) = x1   
POL(c36(x1)) = x1   
POL(mark(x1)) = x1   
POL(ok(x1)) = [4] + x1   

(90) Obligation:

Complexity Dependency Tuples Problem
Rules:none
Tuples:

TERMS(mark(z0)) → c19(TERMS(z0))
TERMS(ok(z0)) → c20(TERMS(z0))
CONS(mark(z0), z1) → c21(CONS(z0, z1))
CONS(ok(z0), ok(z1)) → c22(CONS(z0, z1))
RECIP(mark(z0)) → c23(RECIP(z0))
RECIP(ok(z0)) → c24(RECIP(z0))
SQR(mark(z0)) → c25(SQR(z0))
SQR(ok(z0)) → c26(SQR(z0))
S(mark(z0)) → c27(S(z0))
S(ok(z0)) → c28(S(z0))
ADD(mark(z0), z1) → c29(ADD(z0, z1))
ADD(z0, mark(z1)) → c30(ADD(z0, z1))
ADD(ok(z0), ok(z1)) → c31(ADD(z0, z1))
DBL(mark(z0)) → c32(DBL(z0))
DBL(ok(z0)) → c33(DBL(z0))
FIRST(mark(z0), z1) → c34(FIRST(z0, z1))
FIRST(z0, mark(z1)) → c35(FIRST(z0, z1))
FIRST(ok(z0), ok(z1)) → c36(FIRST(z0, z1))
S tuples:

DBL(ok(z0)) → c33(DBL(z0))
K tuples:

ADD(mark(z0), z1) → c29(ADD(z0, z1))
ADD(ok(z0), ok(z1)) → c31(ADD(z0, z1))
TERMS(mark(z0)) → c19(TERMS(z0))
TERMS(ok(z0)) → c20(TERMS(z0))
CONS(ok(z0), ok(z1)) → c22(CONS(z0, z1))
RECIP(mark(z0)) → c23(RECIP(z0))
RECIP(ok(z0)) → c24(RECIP(z0))
FIRST(z0, mark(z1)) → c35(FIRST(z0, z1))
SQR(ok(z0)) → c26(SQR(z0))
ADD(z0, mark(z1)) → c30(ADD(z0, z1))
DBL(mark(z0)) → c32(DBL(z0))
FIRST(ok(z0), ok(z1)) → c36(FIRST(z0, z1))
CONS(mark(z0), z1) → c21(CONS(z0, z1))
SQR(mark(z0)) → c25(SQR(z0))
S(mark(z0)) → c27(S(z0))
FIRST(mark(z0), z1) → c34(FIRST(z0, z1))
S(ok(z0)) → c28(S(z0))
Defined Rule Symbols:none

Defined Pair Symbols:

TERMS, CONS, RECIP, SQR, S, ADD, DBL, FIRST

Compound Symbols:

c19, c20, c21, c22, c23, c24, c25, c26, c27, c28, c29, c30, c31, c32, c33, c34, c35, c36

(91) CdtRuleRemovalProof (UPPER BOUND (ADD(O(n^1))) transformation)

Found a reduction pair which oriented the following tuples strictly. Hence they can be removed from S.

DBL(ok(z0)) → c33(DBL(z0))
We considered the (Usable) Rules:none
And the Tuples:

TERMS(mark(z0)) → c19(TERMS(z0))
TERMS(ok(z0)) → c20(TERMS(z0))
CONS(mark(z0), z1) → c21(CONS(z0, z1))
CONS(ok(z0), ok(z1)) → c22(CONS(z0, z1))
RECIP(mark(z0)) → c23(RECIP(z0))
RECIP(ok(z0)) → c24(RECIP(z0))
SQR(mark(z0)) → c25(SQR(z0))
SQR(ok(z0)) → c26(SQR(z0))
S(mark(z0)) → c27(S(z0))
S(ok(z0)) → c28(S(z0))
ADD(mark(z0), z1) → c29(ADD(z0, z1))
ADD(z0, mark(z1)) → c30(ADD(z0, z1))
ADD(ok(z0), ok(z1)) → c31(ADD(z0, z1))
DBL(mark(z0)) → c32(DBL(z0))
DBL(ok(z0)) → c33(DBL(z0))
FIRST(mark(z0), z1) → c34(FIRST(z0, z1))
FIRST(z0, mark(z1)) → c35(FIRST(z0, z1))
FIRST(ok(z0), ok(z1)) → c36(FIRST(z0, z1))
The order we found is given by the following interpretation:
Polynomial interpretation :

POL(ADD(x1, x2)) = 0   
POL(CONS(x1, x2)) = 0   
POL(DBL(x1)) = x1   
POL(FIRST(x1, x2)) = 0   
POL(RECIP(x1)) = 0   
POL(S(x1)) = [4]x1   
POL(SQR(x1)) = 0   
POL(TERMS(x1)) = x1   
POL(c19(x1)) = x1   
POL(c20(x1)) = x1   
POL(c21(x1)) = x1   
POL(c22(x1)) = x1   
POL(c23(x1)) = x1   
POL(c24(x1)) = x1   
POL(c25(x1)) = x1   
POL(c26(x1)) = x1   
POL(c27(x1)) = x1   
POL(c28(x1)) = x1   
POL(c29(x1)) = x1   
POL(c30(x1)) = x1   
POL(c31(x1)) = x1   
POL(c32(x1)) = x1   
POL(c33(x1)) = x1   
POL(c34(x1)) = x1   
POL(c35(x1)) = x1   
POL(c36(x1)) = x1   
POL(mark(x1)) = x1   
POL(ok(x1)) = [1] + x1   

(92) Obligation:

Complexity Dependency Tuples Problem
Rules:none
Tuples:

TERMS(mark(z0)) → c19(TERMS(z0))
TERMS(ok(z0)) → c20(TERMS(z0))
CONS(mark(z0), z1) → c21(CONS(z0, z1))
CONS(ok(z0), ok(z1)) → c22(CONS(z0, z1))
RECIP(mark(z0)) → c23(RECIP(z0))
RECIP(ok(z0)) → c24(RECIP(z0))
SQR(mark(z0)) → c25(SQR(z0))
SQR(ok(z0)) → c26(SQR(z0))
S(mark(z0)) → c27(S(z0))
S(ok(z0)) → c28(S(z0))
ADD(mark(z0), z1) → c29(ADD(z0, z1))
ADD(z0, mark(z1)) → c30(ADD(z0, z1))
ADD(ok(z0), ok(z1)) → c31(ADD(z0, z1))
DBL(mark(z0)) → c32(DBL(z0))
DBL(ok(z0)) → c33(DBL(z0))
FIRST(mark(z0), z1) → c34(FIRST(z0, z1))
FIRST(z0, mark(z1)) → c35(FIRST(z0, z1))
FIRST(ok(z0), ok(z1)) → c36(FIRST(z0, z1))
S tuples:none
K tuples:

ADD(mark(z0), z1) → c29(ADD(z0, z1))
ADD(ok(z0), ok(z1)) → c31(ADD(z0, z1))
TERMS(mark(z0)) → c19(TERMS(z0))
TERMS(ok(z0)) → c20(TERMS(z0))
CONS(ok(z0), ok(z1)) → c22(CONS(z0, z1))
RECIP(mark(z0)) → c23(RECIP(z0))
RECIP(ok(z0)) → c24(RECIP(z0))
FIRST(z0, mark(z1)) → c35(FIRST(z0, z1))
SQR(ok(z0)) → c26(SQR(z0))
ADD(z0, mark(z1)) → c30(ADD(z0, z1))
DBL(mark(z0)) → c32(DBL(z0))
FIRST(ok(z0), ok(z1)) → c36(FIRST(z0, z1))
CONS(mark(z0), z1) → c21(CONS(z0, z1))
SQR(mark(z0)) → c25(SQR(z0))
S(mark(z0)) → c27(S(z0))
FIRST(mark(z0), z1) → c34(FIRST(z0, z1))
S(ok(z0)) → c28(S(z0))
DBL(ok(z0)) → c33(DBL(z0))
Defined Rule Symbols:none

Defined Pair Symbols:

TERMS, CONS, RECIP, SQR, S, ADD, DBL, FIRST

Compound Symbols:

c19, c20, c21, c22, c23, c24, c25, c26, c27, c28, c29, c30, c31, c32, c33, c34, c35, c36

(93) SIsEmptyProof (BOTH BOUNDS(ID, ID) transformation)

The set S is empty

(94) BOUNDS(O(1), O(1))