(0) Obligation:

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

__(__(X, Y), Z) → __(X, __(Y, Z))
__(X, nil) → X
__(nil, X) → X
U11(tt) → tt
U21(tt, V2) → U22(isList(activate(V2)))
U22(tt) → tt
U31(tt) → tt
U41(tt, V2) → U42(isNeList(activate(V2)))
U42(tt) → tt
U51(tt, V2) → U52(isList(activate(V2)))
U52(tt) → tt
U61(tt) → tt
U71(tt, P) → U72(isPal(activate(P)))
U72(tt) → tt
U81(tt) → tt
isList(V) → U11(isNeList(activate(V)))
isList(n__nil) → tt
isList(n____(V1, V2)) → U21(isList(activate(V1)), activate(V2))
isNeList(V) → U31(isQid(activate(V)))
isNeList(n____(V1, V2)) → U41(isList(activate(V1)), activate(V2))
isNeList(n____(V1, V2)) → U51(isNeList(activate(V1)), activate(V2))
isNePal(V) → U61(isQid(activate(V)))
isNePal(n____(I, n____(P, I))) → U71(isQid(activate(I)), activate(P))
isPal(V) → U81(isNePal(activate(V)))
isPal(n__nil) → tt
isQid(n__a) → tt
isQid(n__e) → tt
isQid(n__i) → tt
isQid(n__o) → tt
isQid(n__u) → tt
niln__nil
__(X1, X2) → n____(X1, X2)
an__a
en__e
in__i
on__o
un__u
activate(n__nil) → nil
activate(n____(X1, X2)) → __(activate(X1), activate(X2))
activate(n__a) → a
activate(n__e) → e
activate(n__i) → i
activate(n__o) → o
activate(n__u) → u
activate(X) → X

Rewrite Strategy: INNERMOST

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

Converted CpxTRS to CDT

(2) Obligation:

Complexity Dependency Tuples Problem
Rules:

__(__(z0, z1), z2) → __(z0, __(z1, z2))
__(z0, nil) → z0
__(nil, z0) → z0
__(z0, z1) → n____(z0, z1)
U11(tt) → tt
U21(tt, z0) → U22(isList(activate(z0)))
U22(tt) → tt
U31(tt) → tt
U41(tt, z0) → U42(isNeList(activate(z0)))
U42(tt) → tt
U51(tt, z0) → U52(isList(activate(z0)))
U52(tt) → tt
U61(tt) → tt
U71(tt, z0) → U72(isPal(activate(z0)))
U72(tt) → tt
U81(tt) → tt
isList(z0) → U11(isNeList(activate(z0)))
isList(n__nil) → tt
isList(n____(z0, z1)) → U21(isList(activate(z0)), activate(z1))
isNeList(z0) → U31(isQid(activate(z0)))
isNeList(n____(z0, z1)) → U41(isList(activate(z0)), activate(z1))
isNeList(n____(z0, z1)) → U51(isNeList(activate(z0)), activate(z1))
isNePal(z0) → U61(isQid(activate(z0)))
isNePal(n____(z0, n____(z1, z0))) → U71(isQid(activate(z0)), activate(z1))
isPal(z0) → U81(isNePal(activate(z0)))
isPal(n__nil) → tt
isQid(n__a) → tt
isQid(n__e) → tt
isQid(n__i) → tt
isQid(n__o) → tt
isQid(n__u) → tt
niln__nil
an__a
en__e
in__i
on__o
un__u
activate(n__nil) → nil
activate(n____(z0, z1)) → __(activate(z0), activate(z1))
activate(n__a) → a
activate(n__e) → e
activate(n__i) → i
activate(n__o) → o
activate(n__u) → u
activate(z0) → z0
Tuples:

__'(__(z0, z1), z2) → c(__'(z0, __(z1, z2)), __'(z1, z2))
U21'(tt, z0) → c5(U22'(isList(activate(z0))), ISLIST(activate(z0)), ACTIVATE(z0))
U41'(tt, z0) → c8(U42'(isNeList(activate(z0))), ISNELIST(activate(z0)), ACTIVATE(z0))
U51'(tt, z0) → c10(U52'(isList(activate(z0))), ISLIST(activate(z0)), ACTIVATE(z0))
U71'(tt, z0) → c13(U72'(isPal(activate(z0))), ISPAL(activate(z0)), ACTIVATE(z0))
ISLIST(z0) → c16(U11'(isNeList(activate(z0))), ISNELIST(activate(z0)), ACTIVATE(z0))
ISLIST(n____(z0, z1)) → c18(U21'(isList(activate(z0)), activate(z1)), ISLIST(activate(z0)), ACTIVATE(z0), ACTIVATE(z1))
ISNELIST(z0) → c19(U31'(isQid(activate(z0))), ISQID(activate(z0)), ACTIVATE(z0))
ISNELIST(n____(z0, z1)) → c20(U41'(isList(activate(z0)), activate(z1)), ISLIST(activate(z0)), ACTIVATE(z0), ACTIVATE(z1))
ISNELIST(n____(z0, z1)) → c21(U51'(isNeList(activate(z0)), activate(z1)), ISNELIST(activate(z0)), ACTIVATE(z0), ACTIVATE(z1))
ISNEPAL(z0) → c22(U61'(isQid(activate(z0))), ISQID(activate(z0)), ACTIVATE(z0))
ISNEPAL(n____(z0, n____(z1, z0))) → c23(U71'(isQid(activate(z0)), activate(z1)), ISQID(activate(z0)), ACTIVATE(z0), ACTIVATE(z1))
ISPAL(z0) → c24(U81'(isNePal(activate(z0))), ISNEPAL(activate(z0)), ACTIVATE(z0))
ACTIVATE(n__nil) → c37(NIL)
ACTIVATE(n____(z0, z1)) → c38(__'(activate(z0), activate(z1)), ACTIVATE(z0), ACTIVATE(z1))
ACTIVATE(n__a) → c39(A)
ACTIVATE(n__e) → c40(E)
ACTIVATE(n__i) → c41(I)
ACTIVATE(n__o) → c42(O)
ACTIVATE(n__u) → c43(U)
S tuples:

__'(__(z0, z1), z2) → c(__'(z0, __(z1, z2)), __'(z1, z2))
U21'(tt, z0) → c5(U22'(isList(activate(z0))), ISLIST(activate(z0)), ACTIVATE(z0))
U41'(tt, z0) → c8(U42'(isNeList(activate(z0))), ISNELIST(activate(z0)), ACTIVATE(z0))
U51'(tt, z0) → c10(U52'(isList(activate(z0))), ISLIST(activate(z0)), ACTIVATE(z0))
U71'(tt, z0) → c13(U72'(isPal(activate(z0))), ISPAL(activate(z0)), ACTIVATE(z0))
ISLIST(z0) → c16(U11'(isNeList(activate(z0))), ISNELIST(activate(z0)), ACTIVATE(z0))
ISLIST(n____(z0, z1)) → c18(U21'(isList(activate(z0)), activate(z1)), ISLIST(activate(z0)), ACTIVATE(z0), ACTIVATE(z1))
ISNELIST(z0) → c19(U31'(isQid(activate(z0))), ISQID(activate(z0)), ACTIVATE(z0))
ISNELIST(n____(z0, z1)) → c20(U41'(isList(activate(z0)), activate(z1)), ISLIST(activate(z0)), ACTIVATE(z0), ACTIVATE(z1))
ISNELIST(n____(z0, z1)) → c21(U51'(isNeList(activate(z0)), activate(z1)), ISNELIST(activate(z0)), ACTIVATE(z0), ACTIVATE(z1))
ISNEPAL(z0) → c22(U61'(isQid(activate(z0))), ISQID(activate(z0)), ACTIVATE(z0))
ISNEPAL(n____(z0, n____(z1, z0))) → c23(U71'(isQid(activate(z0)), activate(z1)), ISQID(activate(z0)), ACTIVATE(z0), ACTIVATE(z1))
ISPAL(z0) → c24(U81'(isNePal(activate(z0))), ISNEPAL(activate(z0)), ACTIVATE(z0))
ACTIVATE(n__nil) → c37(NIL)
ACTIVATE(n____(z0, z1)) → c38(__'(activate(z0), activate(z1)), ACTIVATE(z0), ACTIVATE(z1))
ACTIVATE(n__a) → c39(A)
ACTIVATE(n__e) → c40(E)
ACTIVATE(n__i) → c41(I)
ACTIVATE(n__o) → c42(O)
ACTIVATE(n__u) → c43(U)
K tuples:none
Defined Rule Symbols:

__, U11, U21, U22, U31, U41, U42, U51, U52, U61, U71, U72, U81, isList, isNeList, isNePal, isPal, isQid, nil, a, e, i, o, u, activate

Defined Pair Symbols:

__', U21', U41', U51', U71', ISLIST, ISNELIST, ISNEPAL, ISPAL, ACTIVATE

Compound Symbols:

c, c5, c8, c10, c13, c16, c18, c19, c20, c21, c22, c23, c24, c37, c38, c39, c40, c41, c42, c43

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

Removed 7 trailing nodes:

__'(__(z0, z1), z2) → c(__'(z0, __(z1, z2)), __'(z1, z2))
ACTIVATE(n__i) → c41(I)
ACTIVATE(n__u) → c43(U)
ACTIVATE(n__a) → c39(A)
ACTIVATE(n__e) → c40(E)
ACTIVATE(n__o) → c42(O)
ACTIVATE(n__nil) → c37(NIL)

(4) Obligation:

Complexity Dependency Tuples Problem
Rules:

__(__(z0, z1), z2) → __(z0, __(z1, z2))
__(z0, nil) → z0
__(nil, z0) → z0
__(z0, z1) → n____(z0, z1)
U11(tt) → tt
U21(tt, z0) → U22(isList(activate(z0)))
U22(tt) → tt
U31(tt) → tt
U41(tt, z0) → U42(isNeList(activate(z0)))
U42(tt) → tt
U51(tt, z0) → U52(isList(activate(z0)))
U52(tt) → tt
U61(tt) → tt
U71(tt, z0) → U72(isPal(activate(z0)))
U72(tt) → tt
U81(tt) → tt
isList(z0) → U11(isNeList(activate(z0)))
isList(n__nil) → tt
isList(n____(z0, z1)) → U21(isList(activate(z0)), activate(z1))
isNeList(z0) → U31(isQid(activate(z0)))
isNeList(n____(z0, z1)) → U41(isList(activate(z0)), activate(z1))
isNeList(n____(z0, z1)) → U51(isNeList(activate(z0)), activate(z1))
isNePal(z0) → U61(isQid(activate(z0)))
isNePal(n____(z0, n____(z1, z0))) → U71(isQid(activate(z0)), activate(z1))
isPal(z0) → U81(isNePal(activate(z0)))
isPal(n__nil) → tt
isQid(n__a) → tt
isQid(n__e) → tt
isQid(n__i) → tt
isQid(n__o) → tt
isQid(n__u) → tt
niln__nil
an__a
en__e
in__i
on__o
un__u
activate(n__nil) → nil
activate(n____(z0, z1)) → __(activate(z0), activate(z1))
activate(n__a) → a
activate(n__e) → e
activate(n__i) → i
activate(n__o) → o
activate(n__u) → u
activate(z0) → z0
Tuples:

U21'(tt, z0) → c5(U22'(isList(activate(z0))), ISLIST(activate(z0)), ACTIVATE(z0))
U41'(tt, z0) → c8(U42'(isNeList(activate(z0))), ISNELIST(activate(z0)), ACTIVATE(z0))
U51'(tt, z0) → c10(U52'(isList(activate(z0))), ISLIST(activate(z0)), ACTIVATE(z0))
U71'(tt, z0) → c13(U72'(isPal(activate(z0))), ISPAL(activate(z0)), ACTIVATE(z0))
ISLIST(z0) → c16(U11'(isNeList(activate(z0))), ISNELIST(activate(z0)), ACTIVATE(z0))
ISLIST(n____(z0, z1)) → c18(U21'(isList(activate(z0)), activate(z1)), ISLIST(activate(z0)), ACTIVATE(z0), ACTIVATE(z1))
ISNELIST(z0) → c19(U31'(isQid(activate(z0))), ISQID(activate(z0)), ACTIVATE(z0))
ISNELIST(n____(z0, z1)) → c20(U41'(isList(activate(z0)), activate(z1)), ISLIST(activate(z0)), ACTIVATE(z0), ACTIVATE(z1))
ISNELIST(n____(z0, z1)) → c21(U51'(isNeList(activate(z0)), activate(z1)), ISNELIST(activate(z0)), ACTIVATE(z0), ACTIVATE(z1))
ISNEPAL(z0) → c22(U61'(isQid(activate(z0))), ISQID(activate(z0)), ACTIVATE(z0))
ISNEPAL(n____(z0, n____(z1, z0))) → c23(U71'(isQid(activate(z0)), activate(z1)), ISQID(activate(z0)), ACTIVATE(z0), ACTIVATE(z1))
ISPAL(z0) → c24(U81'(isNePal(activate(z0))), ISNEPAL(activate(z0)), ACTIVATE(z0))
ACTIVATE(n____(z0, z1)) → c38(__'(activate(z0), activate(z1)), ACTIVATE(z0), ACTIVATE(z1))
S tuples:

U21'(tt, z0) → c5(U22'(isList(activate(z0))), ISLIST(activate(z0)), ACTIVATE(z0))
U41'(tt, z0) → c8(U42'(isNeList(activate(z0))), ISNELIST(activate(z0)), ACTIVATE(z0))
U51'(tt, z0) → c10(U52'(isList(activate(z0))), ISLIST(activate(z0)), ACTIVATE(z0))
U71'(tt, z0) → c13(U72'(isPal(activate(z0))), ISPAL(activate(z0)), ACTIVATE(z0))
ISLIST(z0) → c16(U11'(isNeList(activate(z0))), ISNELIST(activate(z0)), ACTIVATE(z0))
ISLIST(n____(z0, z1)) → c18(U21'(isList(activate(z0)), activate(z1)), ISLIST(activate(z0)), ACTIVATE(z0), ACTIVATE(z1))
ISNELIST(z0) → c19(U31'(isQid(activate(z0))), ISQID(activate(z0)), ACTIVATE(z0))
ISNELIST(n____(z0, z1)) → c20(U41'(isList(activate(z0)), activate(z1)), ISLIST(activate(z0)), ACTIVATE(z0), ACTIVATE(z1))
ISNELIST(n____(z0, z1)) → c21(U51'(isNeList(activate(z0)), activate(z1)), ISNELIST(activate(z0)), ACTIVATE(z0), ACTIVATE(z1))
ISNEPAL(z0) → c22(U61'(isQid(activate(z0))), ISQID(activate(z0)), ACTIVATE(z0))
ISNEPAL(n____(z0, n____(z1, z0))) → c23(U71'(isQid(activate(z0)), activate(z1)), ISQID(activate(z0)), ACTIVATE(z0), ACTIVATE(z1))
ISPAL(z0) → c24(U81'(isNePal(activate(z0))), ISNEPAL(activate(z0)), ACTIVATE(z0))
ACTIVATE(n____(z0, z1)) → c38(__'(activate(z0), activate(z1)), ACTIVATE(z0), ACTIVATE(z1))
K tuples:none
Defined Rule Symbols:

__, U11, U21, U22, U31, U41, U42, U51, U52, U61, U71, U72, U81, isList, isNeList, isNePal, isPal, isQid, nil, a, e, i, o, u, activate

Defined Pair Symbols:

U21', U41', U51', U71', ISLIST, ISNELIST, ISNEPAL, ISPAL, ACTIVATE

Compound Symbols:

c5, c8, c10, c13, c16, c18, c19, c20, c21, c22, c23, c24, c38

(5) CdtPolyRedPairProof (UPPER BOUND (ADD(O(n^1))) transformation)

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

ISNEPAL(z0) → c22(U61'(isQid(activate(z0))), ISQID(activate(z0)), ACTIVATE(z0))
We considered the (Usable) Rules:

activate(n__nil) → nil
activate(n____(z0, z1)) → __(activate(z0), activate(z1))
activate(n__a) → a
activate(n__e) → e
activate(n__i) → i
activate(n__o) → o
activate(n__u) → u
activate(z0) → z0
un__u
on__o
in__i
en__e
an__a
__(z0, z1) → n____(z0, z1)
niln__nil
isNePal(z0) → U61(isQid(activate(z0)))
isNePal(n____(z0, n____(z1, z0))) → U71(isQid(activate(z0)), activate(z1))
isQid(n__a) → tt
isQid(n__e) → tt
isQid(n__i) → tt
isQid(n__o) → tt
isQid(n__u) → tt
U71(tt, z0) → U72(isPal(activate(z0)))
isPal(z0) → U81(isNePal(activate(z0)))
isPal(n__nil) → tt
U72(tt) → tt
U81(tt) → tt
U61(tt) → tt
isNeList(z0) → U31(isQid(activate(z0)))
isNeList(n____(z0, z1)) → U41(isList(activate(z0)), activate(z1))
isNeList(n____(z0, z1)) → U51(isNeList(activate(z0)), activate(z1))
U51(tt, z0) → U52(isList(activate(z0)))
isList(z0) → U11(isNeList(activate(z0)))
isList(n__nil) → tt
isList(n____(z0, z1)) → U21(isList(activate(z0)), activate(z1))
U52(tt) → tt
U21(tt, z0) → U22(isList(activate(z0)))
U22(tt) → tt
U11(tt) → tt
U41(tt, z0) → U42(isNeList(activate(z0)))
U42(tt) → tt
U31(tt) → tt
And the Tuples:

U21'(tt, z0) → c5(U22'(isList(activate(z0))), ISLIST(activate(z0)), ACTIVATE(z0))
U41'(tt, z0) → c8(U42'(isNeList(activate(z0))), ISNELIST(activate(z0)), ACTIVATE(z0))
U51'(tt, z0) → c10(U52'(isList(activate(z0))), ISLIST(activate(z0)), ACTIVATE(z0))
U71'(tt, z0) → c13(U72'(isPal(activate(z0))), ISPAL(activate(z0)), ACTIVATE(z0))
ISLIST(z0) → c16(U11'(isNeList(activate(z0))), ISNELIST(activate(z0)), ACTIVATE(z0))
ISLIST(n____(z0, z1)) → c18(U21'(isList(activate(z0)), activate(z1)), ISLIST(activate(z0)), ACTIVATE(z0), ACTIVATE(z1))
ISNELIST(z0) → c19(U31'(isQid(activate(z0))), ISQID(activate(z0)), ACTIVATE(z0))
ISNELIST(n____(z0, z1)) → c20(U41'(isList(activate(z0)), activate(z1)), ISLIST(activate(z0)), ACTIVATE(z0), ACTIVATE(z1))
ISNELIST(n____(z0, z1)) → c21(U51'(isNeList(activate(z0)), activate(z1)), ISNELIST(activate(z0)), ACTIVATE(z0), ACTIVATE(z1))
ISNEPAL(z0) → c22(U61'(isQid(activate(z0))), ISQID(activate(z0)), ACTIVATE(z0))
ISNEPAL(n____(z0, n____(z1, z0))) → c23(U71'(isQid(activate(z0)), activate(z1)), ISQID(activate(z0)), ACTIVATE(z0), ACTIVATE(z1))
ISPAL(z0) → c24(U81'(isNePal(activate(z0))), ISNEPAL(activate(z0)), ACTIVATE(z0))
ACTIVATE(n____(z0, z1)) → c38(__'(activate(z0), activate(z1)), ACTIVATE(z0), ACTIVATE(z1))
The order we found is given by the following interpretation:
Polynomial interpretation :

POL(ACTIVATE(x1)) = 0   
POL(ISLIST(x1)) = 0   
POL(ISNELIST(x1)) = 0   
POL(ISNEPAL(x1)) = [1]   
POL(ISPAL(x1)) = [1]   
POL(ISQID(x1)) = 0   
POL(U11(x1)) = [5]   
POL(U11'(x1)) = 0   
POL(U21(x1, x2)) = [3] + [5]x1   
POL(U21'(x1, x2)) = 0   
POL(U22(x1)) = [3] + [3]x1   
POL(U22'(x1)) = 0   
POL(U31(x1)) = [5]   
POL(U31'(x1)) = 0   
POL(U41(x1, x2)) = [3] + [2]x1 + [5]x2   
POL(U41'(x1, x2)) = 0   
POL(U42(x1)) = [5] + [5]x1   
POL(U42'(x1)) = 0   
POL(U51(x1, x2)) = [3] + [3]x1 + [4]x2   
POL(U51'(x1, x2)) = 0   
POL(U52(x1)) = [2] + [3]x1   
POL(U52'(x1)) = 0   
POL(U61(x1)) = [3] + [2]x1   
POL(U61'(x1)) = 0   
POL(U71(x1, x2)) = [5] + [2]x1   
POL(U71'(x1, x2)) = [1]   
POL(U72(x1)) = [3] + [2]x1   
POL(U72'(x1)) = 0   
POL(U81(x1)) = [2] + [4]x1   
POL(U81'(x1)) = 0   
POL(__(x1, x2)) = [4] + [4]x1 + [2]x2   
POL(__'(x1, x2)) = 0   
POL(a) = [1]   
POL(activate(x1)) = 0   
POL(c10(x1, x2, x3)) = x1 + x2 + x3   
POL(c13(x1, x2, x3)) = x1 + x2 + x3   
POL(c16(x1, x2, x3)) = x1 + x2 + x3   
POL(c18(x1, x2, x3, x4)) = x1 + x2 + x3 + x4   
POL(c19(x1, x2, x3)) = x1 + x2 + x3   
POL(c20(x1, x2, x3, x4)) = x1 + x2 + x3 + x4   
POL(c21(x1, x2, x3, x4)) = x1 + x2 + x3 + x4   
POL(c22(x1, x2, x3)) = x1 + x2 + x3   
POL(c23(x1, x2, x3, x4)) = x1 + x2 + x3 + x4   
POL(c24(x1, x2, x3)) = x1 + x2 + x3   
POL(c38(x1, x2, x3)) = x1 + x2 + x3   
POL(c5(x1, x2, x3)) = x1 + x2 + x3   
POL(c8(x1, x2, x3)) = x1 + x2 + x3   
POL(e) = [5]   
POL(i) = [2]   
POL(isList(x1)) = [2]   
POL(isNeList(x1)) = [2]x1   
POL(isNePal(x1)) = 0   
POL(isPal(x1)) = [3] + [2]x1   
POL(isQid(x1)) = [3] + [2]x1   
POL(n____(x1, x2)) = [2]   
POL(n__a) = 0   
POL(n__e) = [4]   
POL(n__i) = 0   
POL(n__nil) = [2]   
POL(n__o) = [5]   
POL(n__u) = [4]   
POL(nil) = [3]   
POL(o) = [2]   
POL(tt) = 0   
POL(u) = [2]   

(6) Obligation:

Complexity Dependency Tuples Problem
Rules:

__(__(z0, z1), z2) → __(z0, __(z1, z2))
__(z0, nil) → z0
__(nil, z0) → z0
__(z0, z1) → n____(z0, z1)
U11(tt) → tt
U21(tt, z0) → U22(isList(activate(z0)))
U22(tt) → tt
U31(tt) → tt
U41(tt, z0) → U42(isNeList(activate(z0)))
U42(tt) → tt
U51(tt, z0) → U52(isList(activate(z0)))
U52(tt) → tt
U61(tt) → tt
U71(tt, z0) → U72(isPal(activate(z0)))
U72(tt) → tt
U81(tt) → tt
isList(z0) → U11(isNeList(activate(z0)))
isList(n__nil) → tt
isList(n____(z0, z1)) → U21(isList(activate(z0)), activate(z1))
isNeList(z0) → U31(isQid(activate(z0)))
isNeList(n____(z0, z1)) → U41(isList(activate(z0)), activate(z1))
isNeList(n____(z0, z1)) → U51(isNeList(activate(z0)), activate(z1))
isNePal(z0) → U61(isQid(activate(z0)))
isNePal(n____(z0, n____(z1, z0))) → U71(isQid(activate(z0)), activate(z1))
isPal(z0) → U81(isNePal(activate(z0)))
isPal(n__nil) → tt
isQid(n__a) → tt
isQid(n__e) → tt
isQid(n__i) → tt
isQid(n__o) → tt
isQid(n__u) → tt
niln__nil
an__a
en__e
in__i
on__o
un__u
activate(n__nil) → nil
activate(n____(z0, z1)) → __(activate(z0), activate(z1))
activate(n__a) → a
activate(n__e) → e
activate(n__i) → i
activate(n__o) → o
activate(n__u) → u
activate(z0) → z0
Tuples:

U21'(tt, z0) → c5(U22'(isList(activate(z0))), ISLIST(activate(z0)), ACTIVATE(z0))
U41'(tt, z0) → c8(U42'(isNeList(activate(z0))), ISNELIST(activate(z0)), ACTIVATE(z0))
U51'(tt, z0) → c10(U52'(isList(activate(z0))), ISLIST(activate(z0)), ACTIVATE(z0))
U71'(tt, z0) → c13(U72'(isPal(activate(z0))), ISPAL(activate(z0)), ACTIVATE(z0))
ISLIST(z0) → c16(U11'(isNeList(activate(z0))), ISNELIST(activate(z0)), ACTIVATE(z0))
ISLIST(n____(z0, z1)) → c18(U21'(isList(activate(z0)), activate(z1)), ISLIST(activate(z0)), ACTIVATE(z0), ACTIVATE(z1))
ISNELIST(z0) → c19(U31'(isQid(activate(z0))), ISQID(activate(z0)), ACTIVATE(z0))
ISNELIST(n____(z0, z1)) → c20(U41'(isList(activate(z0)), activate(z1)), ISLIST(activate(z0)), ACTIVATE(z0), ACTIVATE(z1))
ISNELIST(n____(z0, z1)) → c21(U51'(isNeList(activate(z0)), activate(z1)), ISNELIST(activate(z0)), ACTIVATE(z0), ACTIVATE(z1))
ISNEPAL(z0) → c22(U61'(isQid(activate(z0))), ISQID(activate(z0)), ACTIVATE(z0))
ISNEPAL(n____(z0, n____(z1, z0))) → c23(U71'(isQid(activate(z0)), activate(z1)), ISQID(activate(z0)), ACTIVATE(z0), ACTIVATE(z1))
ISPAL(z0) → c24(U81'(isNePal(activate(z0))), ISNEPAL(activate(z0)), ACTIVATE(z0))
ACTIVATE(n____(z0, z1)) → c38(__'(activate(z0), activate(z1)), ACTIVATE(z0), ACTIVATE(z1))
S tuples:

U21'(tt, z0) → c5(U22'(isList(activate(z0))), ISLIST(activate(z0)), ACTIVATE(z0))
U41'(tt, z0) → c8(U42'(isNeList(activate(z0))), ISNELIST(activate(z0)), ACTIVATE(z0))
U51'(tt, z0) → c10(U52'(isList(activate(z0))), ISLIST(activate(z0)), ACTIVATE(z0))
U71'(tt, z0) → c13(U72'(isPal(activate(z0))), ISPAL(activate(z0)), ACTIVATE(z0))
ISLIST(z0) → c16(U11'(isNeList(activate(z0))), ISNELIST(activate(z0)), ACTIVATE(z0))
ISLIST(n____(z0, z1)) → c18(U21'(isList(activate(z0)), activate(z1)), ISLIST(activate(z0)), ACTIVATE(z0), ACTIVATE(z1))
ISNELIST(z0) → c19(U31'(isQid(activate(z0))), ISQID(activate(z0)), ACTIVATE(z0))
ISNELIST(n____(z0, z1)) → c20(U41'(isList(activate(z0)), activate(z1)), ISLIST(activate(z0)), ACTIVATE(z0), ACTIVATE(z1))
ISNELIST(n____(z0, z1)) → c21(U51'(isNeList(activate(z0)), activate(z1)), ISNELIST(activate(z0)), ACTIVATE(z0), ACTIVATE(z1))
ISNEPAL(n____(z0, n____(z1, z0))) → c23(U71'(isQid(activate(z0)), activate(z1)), ISQID(activate(z0)), ACTIVATE(z0), ACTIVATE(z1))
ISPAL(z0) → c24(U81'(isNePal(activate(z0))), ISNEPAL(activate(z0)), ACTIVATE(z0))
ACTIVATE(n____(z0, z1)) → c38(__'(activate(z0), activate(z1)), ACTIVATE(z0), ACTIVATE(z1))
K tuples:

ISNEPAL(z0) → c22(U61'(isQid(activate(z0))), ISQID(activate(z0)), ACTIVATE(z0))
Defined Rule Symbols:

__, U11, U21, U22, U31, U41, U42, U51, U52, U61, U71, U72, U81, isList, isNeList, isNePal, isPal, isQid, nil, a, e, i, o, u, activate

Defined Pair Symbols:

U21', U41', U51', U71', ISLIST, ISNELIST, ISNEPAL, ISPAL, ACTIVATE

Compound Symbols:

c5, c8, c10, c13, c16, c18, c19, c20, c21, c22, c23, c24, c38

(7) CdtPolyRedPairProof (UPPER BOUND (ADD(O(n^1))) transformation)

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

U71'(tt, z0) → c13(U72'(isPal(activate(z0))), ISPAL(activate(z0)), ACTIVATE(z0))
ISPAL(z0) → c24(U81'(isNePal(activate(z0))), ISNEPAL(activate(z0)), ACTIVATE(z0))
We considered the (Usable) Rules:

activate(n__nil) → nil
activate(n____(z0, z1)) → __(activate(z0), activate(z1))
activate(n__a) → a
activate(n__e) → e
activate(n__i) → i
activate(n__o) → o
activate(n__u) → u
activate(z0) → z0
un__u
on__o
in__i
en__e
an__a
__(z0, z1) → n____(z0, z1)
niln__nil
isNePal(z0) → U61(isQid(activate(z0)))
isNePal(n____(z0, n____(z1, z0))) → U71(isQid(activate(z0)), activate(z1))
isQid(n__a) → tt
isQid(n__e) → tt
isQid(n__i) → tt
isQid(n__o) → tt
isQid(n__u) → tt
U71(tt, z0) → U72(isPal(activate(z0)))
isPal(z0) → U81(isNePal(activate(z0)))
isPal(n__nil) → tt
U72(tt) → tt
U81(tt) → tt
U61(tt) → tt
isNeList(z0) → U31(isQid(activate(z0)))
isNeList(n____(z0, z1)) → U41(isList(activate(z0)), activate(z1))
isNeList(n____(z0, z1)) → U51(isNeList(activate(z0)), activate(z1))
U51(tt, z0) → U52(isList(activate(z0)))
isList(z0) → U11(isNeList(activate(z0)))
isList(n__nil) → tt
isList(n____(z0, z1)) → U21(isList(activate(z0)), activate(z1))
U52(tt) → tt
U21(tt, z0) → U22(isList(activate(z0)))
U22(tt) → tt
U11(tt) → tt
U41(tt, z0) → U42(isNeList(activate(z0)))
U42(tt) → tt
U31(tt) → tt
And the Tuples:

U21'(tt, z0) → c5(U22'(isList(activate(z0))), ISLIST(activate(z0)), ACTIVATE(z0))
U41'(tt, z0) → c8(U42'(isNeList(activate(z0))), ISNELIST(activate(z0)), ACTIVATE(z0))
U51'(tt, z0) → c10(U52'(isList(activate(z0))), ISLIST(activate(z0)), ACTIVATE(z0))
U71'(tt, z0) → c13(U72'(isPal(activate(z0))), ISPAL(activate(z0)), ACTIVATE(z0))
ISLIST(z0) → c16(U11'(isNeList(activate(z0))), ISNELIST(activate(z0)), ACTIVATE(z0))
ISLIST(n____(z0, z1)) → c18(U21'(isList(activate(z0)), activate(z1)), ISLIST(activate(z0)), ACTIVATE(z0), ACTIVATE(z1))
ISNELIST(z0) → c19(U31'(isQid(activate(z0))), ISQID(activate(z0)), ACTIVATE(z0))
ISNELIST(n____(z0, z1)) → c20(U41'(isList(activate(z0)), activate(z1)), ISLIST(activate(z0)), ACTIVATE(z0), ACTIVATE(z1))
ISNELIST(n____(z0, z1)) → c21(U51'(isNeList(activate(z0)), activate(z1)), ISNELIST(activate(z0)), ACTIVATE(z0), ACTIVATE(z1))
ISNEPAL(z0) → c22(U61'(isQid(activate(z0))), ISQID(activate(z0)), ACTIVATE(z0))
ISNEPAL(n____(z0, n____(z1, z0))) → c23(U71'(isQid(activate(z0)), activate(z1)), ISQID(activate(z0)), ACTIVATE(z0), ACTIVATE(z1))
ISPAL(z0) → c24(U81'(isNePal(activate(z0))), ISNEPAL(activate(z0)), ACTIVATE(z0))
ACTIVATE(n____(z0, z1)) → c38(__'(activate(z0), activate(z1)), ACTIVATE(z0), ACTIVATE(z1))
The order we found is given by the following interpretation:
Polynomial interpretation :

POL(ACTIVATE(x1)) = 0   
POL(ISLIST(x1)) = 0   
POL(ISNELIST(x1)) = 0   
POL(ISNEPAL(x1)) = [2]x1   
POL(ISPAL(x1)) = [1] + [2]x1   
POL(ISQID(x1)) = 0   
POL(U11(x1)) = [3]   
POL(U11'(x1)) = 0   
POL(U21(x1, x2)) = [3] + [3]x1   
POL(U21'(x1, x2)) = 0   
POL(U22(x1)) = [3] + [3]x1   
POL(U22'(x1)) = 0   
POL(U31(x1)) = [4]   
POL(U31'(x1)) = 0   
POL(U41(x1, x2)) = [5] + [3]x1 + [2]x2   
POL(U41'(x1, x2)) = 0   
POL(U42(x1)) = [3] + [3]x1   
POL(U42'(x1)) = 0   
POL(U51(x1, x2)) = [3] + [3]x1 + [2]x2   
POL(U51'(x1, x2)) = 0   
POL(U52(x1)) = [2]   
POL(U52'(x1)) = 0   
POL(U61(x1)) = [2]x1   
POL(U61'(x1)) = 0   
POL(U71(x1, x2)) = [3] + [4]x1   
POL(U71'(x1, x2)) = [2]x1 + [2]x2   
POL(U72(x1)) = 0   
POL(U72'(x1)) = 0   
POL(U81(x1)) = [5] + [3]x1   
POL(U81'(x1)) = 0   
POL(__(x1, x2)) = x1 + x2   
POL(__'(x1, x2)) = 0   
POL(a) = [1]   
POL(activate(x1)) = x1   
POL(c10(x1, x2, x3)) = x1 + x2 + x3   
POL(c13(x1, x2, x3)) = x1 + x2 + x3   
POL(c16(x1, x2, x3)) = x1 + x2 + x3   
POL(c18(x1, x2, x3, x4)) = x1 + x2 + x3 + x4   
POL(c19(x1, x2, x3)) = x1 + x2 + x3   
POL(c20(x1, x2, x3, x4)) = x1 + x2 + x3 + x4   
POL(c21(x1, x2, x3, x4)) = x1 + x2 + x3 + x4   
POL(c22(x1, x2, x3)) = x1 + x2 + x3   
POL(c23(x1, x2, x3, x4)) = x1 + x2 + x3 + x4   
POL(c24(x1, x2, x3)) = x1 + x2 + x3   
POL(c38(x1, x2, x3)) = x1 + x2 + x3   
POL(c5(x1, x2, x3)) = x1 + x2 + x3   
POL(c8(x1, x2, x3)) = x1 + x2 + x3   
POL(e) = [1]   
POL(i) = [4]   
POL(isList(x1)) = 0   
POL(isNeList(x1)) = 0   
POL(isNePal(x1)) = [3]   
POL(isPal(x1)) = 0   
POL(isQid(x1)) = x1   
POL(n____(x1, x2)) = x1 + x2   
POL(n__a) = [1]   
POL(n__e) = [1]   
POL(n__i) = [4]   
POL(n__nil) = 0   
POL(n__o) = [2]   
POL(n__u) = [2]   
POL(nil) = 0   
POL(o) = [2]   
POL(tt) = [1]   
POL(u) = [2]   

(8) Obligation:

Complexity Dependency Tuples Problem
Rules:

__(__(z0, z1), z2) → __(z0, __(z1, z2))
__(z0, nil) → z0
__(nil, z0) → z0
__(z0, z1) → n____(z0, z1)
U11(tt) → tt
U21(tt, z0) → U22(isList(activate(z0)))
U22(tt) → tt
U31(tt) → tt
U41(tt, z0) → U42(isNeList(activate(z0)))
U42(tt) → tt
U51(tt, z0) → U52(isList(activate(z0)))
U52(tt) → tt
U61(tt) → tt
U71(tt, z0) → U72(isPal(activate(z0)))
U72(tt) → tt
U81(tt) → tt
isList(z0) → U11(isNeList(activate(z0)))
isList(n__nil) → tt
isList(n____(z0, z1)) → U21(isList(activate(z0)), activate(z1))
isNeList(z0) → U31(isQid(activate(z0)))
isNeList(n____(z0, z1)) → U41(isList(activate(z0)), activate(z1))
isNeList(n____(z0, z1)) → U51(isNeList(activate(z0)), activate(z1))
isNePal(z0) → U61(isQid(activate(z0)))
isNePal(n____(z0, n____(z1, z0))) → U71(isQid(activate(z0)), activate(z1))
isPal(z0) → U81(isNePal(activate(z0)))
isPal(n__nil) → tt
isQid(n__a) → tt
isQid(n__e) → tt
isQid(n__i) → tt
isQid(n__o) → tt
isQid(n__u) → tt
niln__nil
an__a
en__e
in__i
on__o
un__u
activate(n__nil) → nil
activate(n____(z0, z1)) → __(activate(z0), activate(z1))
activate(n__a) → a
activate(n__e) → e
activate(n__i) → i
activate(n__o) → o
activate(n__u) → u
activate(z0) → z0
Tuples:

U21'(tt, z0) → c5(U22'(isList(activate(z0))), ISLIST(activate(z0)), ACTIVATE(z0))
U41'(tt, z0) → c8(U42'(isNeList(activate(z0))), ISNELIST(activate(z0)), ACTIVATE(z0))
U51'(tt, z0) → c10(U52'(isList(activate(z0))), ISLIST(activate(z0)), ACTIVATE(z0))
U71'(tt, z0) → c13(U72'(isPal(activate(z0))), ISPAL(activate(z0)), ACTIVATE(z0))
ISLIST(z0) → c16(U11'(isNeList(activate(z0))), ISNELIST(activate(z0)), ACTIVATE(z0))
ISLIST(n____(z0, z1)) → c18(U21'(isList(activate(z0)), activate(z1)), ISLIST(activate(z0)), ACTIVATE(z0), ACTIVATE(z1))
ISNELIST(z0) → c19(U31'(isQid(activate(z0))), ISQID(activate(z0)), ACTIVATE(z0))
ISNELIST(n____(z0, z1)) → c20(U41'(isList(activate(z0)), activate(z1)), ISLIST(activate(z0)), ACTIVATE(z0), ACTIVATE(z1))
ISNELIST(n____(z0, z1)) → c21(U51'(isNeList(activate(z0)), activate(z1)), ISNELIST(activate(z0)), ACTIVATE(z0), ACTIVATE(z1))
ISNEPAL(z0) → c22(U61'(isQid(activate(z0))), ISQID(activate(z0)), ACTIVATE(z0))
ISNEPAL(n____(z0, n____(z1, z0))) → c23(U71'(isQid(activate(z0)), activate(z1)), ISQID(activate(z0)), ACTIVATE(z0), ACTIVATE(z1))
ISPAL(z0) → c24(U81'(isNePal(activate(z0))), ISNEPAL(activate(z0)), ACTIVATE(z0))
ACTIVATE(n____(z0, z1)) → c38(__'(activate(z0), activate(z1)), ACTIVATE(z0), ACTIVATE(z1))
S tuples:

U21'(tt, z0) → c5(U22'(isList(activate(z0))), ISLIST(activate(z0)), ACTIVATE(z0))
U41'(tt, z0) → c8(U42'(isNeList(activate(z0))), ISNELIST(activate(z0)), ACTIVATE(z0))
U51'(tt, z0) → c10(U52'(isList(activate(z0))), ISLIST(activate(z0)), ACTIVATE(z0))
ISLIST(z0) → c16(U11'(isNeList(activate(z0))), ISNELIST(activate(z0)), ACTIVATE(z0))
ISLIST(n____(z0, z1)) → c18(U21'(isList(activate(z0)), activate(z1)), ISLIST(activate(z0)), ACTIVATE(z0), ACTIVATE(z1))
ISNELIST(z0) → c19(U31'(isQid(activate(z0))), ISQID(activate(z0)), ACTIVATE(z0))
ISNELIST(n____(z0, z1)) → c20(U41'(isList(activate(z0)), activate(z1)), ISLIST(activate(z0)), ACTIVATE(z0), ACTIVATE(z1))
ISNELIST(n____(z0, z1)) → c21(U51'(isNeList(activate(z0)), activate(z1)), ISNELIST(activate(z0)), ACTIVATE(z0), ACTIVATE(z1))
ISNEPAL(n____(z0, n____(z1, z0))) → c23(U71'(isQid(activate(z0)), activate(z1)), ISQID(activate(z0)), ACTIVATE(z0), ACTIVATE(z1))
ACTIVATE(n____(z0, z1)) → c38(__'(activate(z0), activate(z1)), ACTIVATE(z0), ACTIVATE(z1))
K tuples:

ISNEPAL(z0) → c22(U61'(isQid(activate(z0))), ISQID(activate(z0)), ACTIVATE(z0))
U71'(tt, z0) → c13(U72'(isPal(activate(z0))), ISPAL(activate(z0)), ACTIVATE(z0))
ISPAL(z0) → c24(U81'(isNePal(activate(z0))), ISNEPAL(activate(z0)), ACTIVATE(z0))
Defined Rule Symbols:

__, U11, U21, U22, U31, U41, U42, U51, U52, U61, U71, U72, U81, isList, isNeList, isNePal, isPal, isQid, nil, a, e, i, o, u, activate

Defined Pair Symbols:

U21', U41', U51', U71', ISLIST, ISNELIST, ISNEPAL, ISPAL, ACTIVATE

Compound Symbols:

c5, c8, c10, c13, c16, c18, c19, c20, c21, c22, c23, c24, c38

(9) CdtKnowledgeProof (EQUIVALENT transformation)

The following tuples could be moved from S to K by knowledge propagation:

ISNEPAL(n____(z0, n____(z1, z0))) → c23(U71'(isQid(activate(z0)), activate(z1)), ISQID(activate(z0)), ACTIVATE(z0), ACTIVATE(z1))
U71'(tt, z0) → c13(U72'(isPal(activate(z0))), ISPAL(activate(z0)), ACTIVATE(z0))

(10) Obligation:

Complexity Dependency Tuples Problem
Rules:

__(__(z0, z1), z2) → __(z0, __(z1, z2))
__(z0, nil) → z0
__(nil, z0) → z0
__(z0, z1) → n____(z0, z1)
U11(tt) → tt
U21(tt, z0) → U22(isList(activate(z0)))
U22(tt) → tt
U31(tt) → tt
U41(tt, z0) → U42(isNeList(activate(z0)))
U42(tt) → tt
U51(tt, z0) → U52(isList(activate(z0)))
U52(tt) → tt
U61(tt) → tt
U71(tt, z0) → U72(isPal(activate(z0)))
U72(tt) → tt
U81(tt) → tt
isList(z0) → U11(isNeList(activate(z0)))
isList(n__nil) → tt
isList(n____(z0, z1)) → U21(isList(activate(z0)), activate(z1))
isNeList(z0) → U31(isQid(activate(z0)))
isNeList(n____(z0, z1)) → U41(isList(activate(z0)), activate(z1))
isNeList(n____(z0, z1)) → U51(isNeList(activate(z0)), activate(z1))
isNePal(z0) → U61(isQid(activate(z0)))
isNePal(n____(z0, n____(z1, z0))) → U71(isQid(activate(z0)), activate(z1))
isPal(z0) → U81(isNePal(activate(z0)))
isPal(n__nil) → tt
isQid(n__a) → tt
isQid(n__e) → tt
isQid(n__i) → tt
isQid(n__o) → tt
isQid(n__u) → tt
niln__nil
an__a
en__e
in__i
on__o
un__u
activate(n__nil) → nil
activate(n____(z0, z1)) → __(activate(z0), activate(z1))
activate(n__a) → a
activate(n__e) → e
activate(n__i) → i
activate(n__o) → o
activate(n__u) → u
activate(z0) → z0
Tuples:

U21'(tt, z0) → c5(U22'(isList(activate(z0))), ISLIST(activate(z0)), ACTIVATE(z0))
U41'(tt, z0) → c8(U42'(isNeList(activate(z0))), ISNELIST(activate(z0)), ACTIVATE(z0))
U51'(tt, z0) → c10(U52'(isList(activate(z0))), ISLIST(activate(z0)), ACTIVATE(z0))
U71'(tt, z0) → c13(U72'(isPal(activate(z0))), ISPAL(activate(z0)), ACTIVATE(z0))
ISLIST(z0) → c16(U11'(isNeList(activate(z0))), ISNELIST(activate(z0)), ACTIVATE(z0))
ISLIST(n____(z0, z1)) → c18(U21'(isList(activate(z0)), activate(z1)), ISLIST(activate(z0)), ACTIVATE(z0), ACTIVATE(z1))
ISNELIST(z0) → c19(U31'(isQid(activate(z0))), ISQID(activate(z0)), ACTIVATE(z0))
ISNELIST(n____(z0, z1)) → c20(U41'(isList(activate(z0)), activate(z1)), ISLIST(activate(z0)), ACTIVATE(z0), ACTIVATE(z1))
ISNELIST(n____(z0, z1)) → c21(U51'(isNeList(activate(z0)), activate(z1)), ISNELIST(activate(z0)), ACTIVATE(z0), ACTIVATE(z1))
ISNEPAL(z0) → c22(U61'(isQid(activate(z0))), ISQID(activate(z0)), ACTIVATE(z0))
ISNEPAL(n____(z0, n____(z1, z0))) → c23(U71'(isQid(activate(z0)), activate(z1)), ISQID(activate(z0)), ACTIVATE(z0), ACTIVATE(z1))
ISPAL(z0) → c24(U81'(isNePal(activate(z0))), ISNEPAL(activate(z0)), ACTIVATE(z0))
ACTIVATE(n____(z0, z1)) → c38(__'(activate(z0), activate(z1)), ACTIVATE(z0), ACTIVATE(z1))
S tuples:

U21'(tt, z0) → c5(U22'(isList(activate(z0))), ISLIST(activate(z0)), ACTIVATE(z0))
U41'(tt, z0) → c8(U42'(isNeList(activate(z0))), ISNELIST(activate(z0)), ACTIVATE(z0))
U51'(tt, z0) → c10(U52'(isList(activate(z0))), ISLIST(activate(z0)), ACTIVATE(z0))
ISLIST(z0) → c16(U11'(isNeList(activate(z0))), ISNELIST(activate(z0)), ACTIVATE(z0))
ISLIST(n____(z0, z1)) → c18(U21'(isList(activate(z0)), activate(z1)), ISLIST(activate(z0)), ACTIVATE(z0), ACTIVATE(z1))
ISNELIST(z0) → c19(U31'(isQid(activate(z0))), ISQID(activate(z0)), ACTIVATE(z0))
ISNELIST(n____(z0, z1)) → c20(U41'(isList(activate(z0)), activate(z1)), ISLIST(activate(z0)), ACTIVATE(z0), ACTIVATE(z1))
ISNELIST(n____(z0, z1)) → c21(U51'(isNeList(activate(z0)), activate(z1)), ISNELIST(activate(z0)), ACTIVATE(z0), ACTIVATE(z1))
ACTIVATE(n____(z0, z1)) → c38(__'(activate(z0), activate(z1)), ACTIVATE(z0), ACTIVATE(z1))
K tuples:

ISNEPAL(z0) → c22(U61'(isQid(activate(z0))), ISQID(activate(z0)), ACTIVATE(z0))
U71'(tt, z0) → c13(U72'(isPal(activate(z0))), ISPAL(activate(z0)), ACTIVATE(z0))
ISPAL(z0) → c24(U81'(isNePal(activate(z0))), ISNEPAL(activate(z0)), ACTIVATE(z0))
ISNEPAL(n____(z0, n____(z1, z0))) → c23(U71'(isQid(activate(z0)), activate(z1)), ISQID(activate(z0)), ACTIVATE(z0), ACTIVATE(z1))
Defined Rule Symbols:

__, U11, U21, U22, U31, U41, U42, U51, U52, U61, U71, U72, U81, isList, isNeList, isNePal, isPal, isQid, nil, a, e, i, o, u, activate

Defined Pair Symbols:

U21', U41', U51', U71', ISLIST, ISNELIST, ISNEPAL, ISPAL, ACTIVATE

Compound Symbols:

c5, c8, c10, c13, c16, c18, c19, c20, c21, c22, c23, c24, c38

(11) CdtPolyRedPairProof (UPPER BOUND (ADD(O(n^1))) transformation)

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

U41'(tt, z0) → c8(U42'(isNeList(activate(z0))), ISNELIST(activate(z0)), ACTIVATE(z0))
ISLIST(n____(z0, z1)) → c18(U21'(isList(activate(z0)), activate(z1)), ISLIST(activate(z0)), ACTIVATE(z0), ACTIVATE(z1))
ISNELIST(n____(z0, z1)) → c21(U51'(isNeList(activate(z0)), activate(z1)), ISNELIST(activate(z0)), ACTIVATE(z0), ACTIVATE(z1))
We considered the (Usable) Rules:

activate(n__nil) → nil
activate(n____(z0, z1)) → __(activate(z0), activate(z1))
activate(n__a) → a
activate(n__e) → e
activate(n__i) → i
activate(n__o) → o
activate(n__u) → u
activate(z0) → z0
un__u
on__o
in__i
en__e
an__a
__(z0, z1) → n____(z0, z1)
niln__nil
isNePal(z0) → U61(isQid(activate(z0)))
isNePal(n____(z0, n____(z1, z0))) → U71(isQid(activate(z0)), activate(z1))
isQid(n__a) → tt
isQid(n__e) → tt
isQid(n__i) → tt
isQid(n__o) → tt
isQid(n__u) → tt
U71(tt, z0) → U72(isPal(activate(z0)))
isPal(z0) → U81(isNePal(activate(z0)))
isPal(n__nil) → tt
U72(tt) → tt
U81(tt) → tt
U61(tt) → tt
isNeList(z0) → U31(isQid(activate(z0)))
isNeList(n____(z0, z1)) → U41(isList(activate(z0)), activate(z1))
isNeList(n____(z0, z1)) → U51(isNeList(activate(z0)), activate(z1))
U51(tt, z0) → U52(isList(activate(z0)))
isList(z0) → U11(isNeList(activate(z0)))
isList(n__nil) → tt
isList(n____(z0, z1)) → U21(isList(activate(z0)), activate(z1))
U52(tt) → tt
U21(tt, z0) → U22(isList(activate(z0)))
U22(tt) → tt
U11(tt) → tt
U41(tt, z0) → U42(isNeList(activate(z0)))
U42(tt) → tt
U31(tt) → tt
And the Tuples:

U21'(tt, z0) → c5(U22'(isList(activate(z0))), ISLIST(activate(z0)), ACTIVATE(z0))
U41'(tt, z0) → c8(U42'(isNeList(activate(z0))), ISNELIST(activate(z0)), ACTIVATE(z0))
U51'(tt, z0) → c10(U52'(isList(activate(z0))), ISLIST(activate(z0)), ACTIVATE(z0))
U71'(tt, z0) → c13(U72'(isPal(activate(z0))), ISPAL(activate(z0)), ACTIVATE(z0))
ISLIST(z0) → c16(U11'(isNeList(activate(z0))), ISNELIST(activate(z0)), ACTIVATE(z0))
ISLIST(n____(z0, z1)) → c18(U21'(isList(activate(z0)), activate(z1)), ISLIST(activate(z0)), ACTIVATE(z0), ACTIVATE(z1))
ISNELIST(z0) → c19(U31'(isQid(activate(z0))), ISQID(activate(z0)), ACTIVATE(z0))
ISNELIST(n____(z0, z1)) → c20(U41'(isList(activate(z0)), activate(z1)), ISLIST(activate(z0)), ACTIVATE(z0), ACTIVATE(z1))
ISNELIST(n____(z0, z1)) → c21(U51'(isNeList(activate(z0)), activate(z1)), ISNELIST(activate(z0)), ACTIVATE(z0), ACTIVATE(z1))
ISNEPAL(z0) → c22(U61'(isQid(activate(z0))), ISQID(activate(z0)), ACTIVATE(z0))
ISNEPAL(n____(z0, n____(z1, z0))) → c23(U71'(isQid(activate(z0)), activate(z1)), ISQID(activate(z0)), ACTIVATE(z0), ACTIVATE(z1))
ISPAL(z0) → c24(U81'(isNePal(activate(z0))), ISNEPAL(activate(z0)), ACTIVATE(z0))
ACTIVATE(n____(z0, z1)) → c38(__'(activate(z0), activate(z1)), ACTIVATE(z0), ACTIVATE(z1))
The order we found is given by the following interpretation:
Polynomial interpretation :

POL(ACTIVATE(x1)) = 0   
POL(ISLIST(x1)) = x1   
POL(ISNELIST(x1)) = x1   
POL(ISNEPAL(x1)) = 0   
POL(ISPAL(x1)) = 0   
POL(ISQID(x1)) = 0   
POL(U11(x1)) = [3]   
POL(U11'(x1)) = 0   
POL(U21(x1, x2)) = [2] + [5]x1   
POL(U21'(x1, x2)) = x2   
POL(U22(x1)) = [4] + [3]x1   
POL(U22'(x1)) = 0   
POL(U31(x1)) = [2]   
POL(U31'(x1)) = 0   
POL(U41(x1, x2)) = [5] + [3]x1 + [2]x2   
POL(U41'(x1, x2)) = [1] + x2   
POL(U42(x1)) = [5] + [2]x1   
POL(U42'(x1)) = 0   
POL(U51(x1, x2)) = [5] + [4]x1 + [2]x2   
POL(U51'(x1, x2)) = x2   
POL(U52(x1)) = [3] + [2]x1   
POL(U52'(x1)) = 0   
POL(U61(x1)) = [4] + [2]x1   
POL(U61'(x1)) = 0   
POL(U71(x1, x2)) = [5]   
POL(U71'(x1, x2)) = 0   
POL(U72(x1)) = [3]   
POL(U72'(x1)) = 0   
POL(U81(x1)) = [2] + [2]x1   
POL(U81'(x1)) = 0   
POL(__(x1, x2)) = [1] + x1 + x2   
POL(__'(x1, x2)) = 0   
POL(a) = [5]   
POL(activate(x1)) = x1   
POL(c10(x1, x2, x3)) = x1 + x2 + x3   
POL(c13(x1, x2, x3)) = x1 + x2 + x3   
POL(c16(x1, x2, x3)) = x1 + x2 + x3   
POL(c18(x1, x2, x3, x4)) = x1 + x2 + x3 + x4   
POL(c19(x1, x2, x3)) = x1 + x2 + x3   
POL(c20(x1, x2, x3, x4)) = x1 + x2 + x3 + x4   
POL(c21(x1, x2, x3, x4)) = x1 + x2 + x3 + x4   
POL(c22(x1, x2, x3)) = x1 + x2 + x3   
POL(c23(x1, x2, x3, x4)) = x1 + x2 + x3 + x4   
POL(c24(x1, x2, x3)) = x1 + x2 + x3   
POL(c38(x1, x2, x3)) = x1 + x2 + x3   
POL(c5(x1, x2, x3)) = x1 + x2 + x3   
POL(c8(x1, x2, x3)) = x1 + x2 + x3   
POL(e) = 0   
POL(i) = [1]   
POL(isList(x1)) = 0   
POL(isNeList(x1)) = 0   
POL(isNePal(x1)) = 0   
POL(isPal(x1)) = [2]   
POL(isQid(x1)) = 0   
POL(n____(x1, x2)) = [1] + x1 + x2   
POL(n__a) = [5]   
POL(n__e) = 0   
POL(n__i) = [1]   
POL(n__nil) = [1]   
POL(n__o) = [3]   
POL(n__u) = [2]   
POL(nil) = [1]   
POL(o) = [3]   
POL(tt) = 0   
POL(u) = [2]   

(12) Obligation:

Complexity Dependency Tuples Problem
Rules:

__(__(z0, z1), z2) → __(z0, __(z1, z2))
__(z0, nil) → z0
__(nil, z0) → z0
__(z0, z1) → n____(z0, z1)
U11(tt) → tt
U21(tt, z0) → U22(isList(activate(z0)))
U22(tt) → tt
U31(tt) → tt
U41(tt, z0) → U42(isNeList(activate(z0)))
U42(tt) → tt
U51(tt, z0) → U52(isList(activate(z0)))
U52(tt) → tt
U61(tt) → tt
U71(tt, z0) → U72(isPal(activate(z0)))
U72(tt) → tt
U81(tt) → tt
isList(z0) → U11(isNeList(activate(z0)))
isList(n__nil) → tt
isList(n____(z0, z1)) → U21(isList(activate(z0)), activate(z1))
isNeList(z0) → U31(isQid(activate(z0)))
isNeList(n____(z0, z1)) → U41(isList(activate(z0)), activate(z1))
isNeList(n____(z0, z1)) → U51(isNeList(activate(z0)), activate(z1))
isNePal(z0) → U61(isQid(activate(z0)))
isNePal(n____(z0, n____(z1, z0))) → U71(isQid(activate(z0)), activate(z1))
isPal(z0) → U81(isNePal(activate(z0)))
isPal(n__nil) → tt
isQid(n__a) → tt
isQid(n__e) → tt
isQid(n__i) → tt
isQid(n__o) → tt
isQid(n__u) → tt
niln__nil
an__a
en__e
in__i
on__o
un__u
activate(n__nil) → nil
activate(n____(z0, z1)) → __(activate(z0), activate(z1))
activate(n__a) → a
activate(n__e) → e
activate(n__i) → i
activate(n__o) → o
activate(n__u) → u
activate(z0) → z0
Tuples:

U21'(tt, z0) → c5(U22'(isList(activate(z0))), ISLIST(activate(z0)), ACTIVATE(z0))
U41'(tt, z0) → c8(U42'(isNeList(activate(z0))), ISNELIST(activate(z0)), ACTIVATE(z0))
U51'(tt, z0) → c10(U52'(isList(activate(z0))), ISLIST(activate(z0)), ACTIVATE(z0))
U71'(tt, z0) → c13(U72'(isPal(activate(z0))), ISPAL(activate(z0)), ACTIVATE(z0))
ISLIST(z0) → c16(U11'(isNeList(activate(z0))), ISNELIST(activate(z0)), ACTIVATE(z0))
ISLIST(n____(z0, z1)) → c18(U21'(isList(activate(z0)), activate(z1)), ISLIST(activate(z0)), ACTIVATE(z0), ACTIVATE(z1))
ISNELIST(z0) → c19(U31'(isQid(activate(z0))), ISQID(activate(z0)), ACTIVATE(z0))
ISNELIST(n____(z0, z1)) → c20(U41'(isList(activate(z0)), activate(z1)), ISLIST(activate(z0)), ACTIVATE(z0), ACTIVATE(z1))
ISNELIST(n____(z0, z1)) → c21(U51'(isNeList(activate(z0)), activate(z1)), ISNELIST(activate(z0)), ACTIVATE(z0), ACTIVATE(z1))
ISNEPAL(z0) → c22(U61'(isQid(activate(z0))), ISQID(activate(z0)), ACTIVATE(z0))
ISNEPAL(n____(z0, n____(z1, z0))) → c23(U71'(isQid(activate(z0)), activate(z1)), ISQID(activate(z0)), ACTIVATE(z0), ACTIVATE(z1))
ISPAL(z0) → c24(U81'(isNePal(activate(z0))), ISNEPAL(activate(z0)), ACTIVATE(z0))
ACTIVATE(n____(z0, z1)) → c38(__'(activate(z0), activate(z1)), ACTIVATE(z0), ACTIVATE(z1))
S tuples:

U21'(tt, z0) → c5(U22'(isList(activate(z0))), ISLIST(activate(z0)), ACTIVATE(z0))
U51'(tt, z0) → c10(U52'(isList(activate(z0))), ISLIST(activate(z0)), ACTIVATE(z0))
ISLIST(z0) → c16(U11'(isNeList(activate(z0))), ISNELIST(activate(z0)), ACTIVATE(z0))
ISNELIST(z0) → c19(U31'(isQid(activate(z0))), ISQID(activate(z0)), ACTIVATE(z0))
ISNELIST(n____(z0, z1)) → c20(U41'(isList(activate(z0)), activate(z1)), ISLIST(activate(z0)), ACTIVATE(z0), ACTIVATE(z1))
ACTIVATE(n____(z0, z1)) → c38(__'(activate(z0), activate(z1)), ACTIVATE(z0), ACTIVATE(z1))
K tuples:

ISNEPAL(z0) → c22(U61'(isQid(activate(z0))), ISQID(activate(z0)), ACTIVATE(z0))
U71'(tt, z0) → c13(U72'(isPal(activate(z0))), ISPAL(activate(z0)), ACTIVATE(z0))
ISPAL(z0) → c24(U81'(isNePal(activate(z0))), ISNEPAL(activate(z0)), ACTIVATE(z0))
ISNEPAL(n____(z0, n____(z1, z0))) → c23(U71'(isQid(activate(z0)), activate(z1)), ISQID(activate(z0)), ACTIVATE(z0), ACTIVATE(z1))
U41'(tt, z0) → c8(U42'(isNeList(activate(z0))), ISNELIST(activate(z0)), ACTIVATE(z0))
ISLIST(n____(z0, z1)) → c18(U21'(isList(activate(z0)), activate(z1)), ISLIST(activate(z0)), ACTIVATE(z0), ACTIVATE(z1))
ISNELIST(n____(z0, z1)) → c21(U51'(isNeList(activate(z0)), activate(z1)), ISNELIST(activate(z0)), ACTIVATE(z0), ACTIVATE(z1))
Defined Rule Symbols:

__, U11, U21, U22, U31, U41, U42, U51, U52, U61, U71, U72, U81, isList, isNeList, isNePal, isPal, isQid, nil, a, e, i, o, u, activate

Defined Pair Symbols:

U21', U41', U51', U71', ISLIST, ISNELIST, ISNEPAL, ISPAL, ACTIVATE

Compound Symbols:

c5, c8, c10, c13, c16, c18, c19, c20, c21, c22, c23, c24, c38

(13) CdtKnowledgeProof (EQUIVALENT transformation)

The following tuples could be moved from S to K by knowledge propagation:

U21'(tt, z0) → c5(U22'(isList(activate(z0))), ISLIST(activate(z0)), ACTIVATE(z0))
U51'(tt, z0) → c10(U52'(isList(activate(z0))), ISLIST(activate(z0)), ACTIVATE(z0))
ISLIST(n____(z0, z1)) → c18(U21'(isList(activate(z0)), activate(z1)), ISLIST(activate(z0)), ACTIVATE(z0), ACTIVATE(z1))
ISLIST(n____(z0, z1)) → c18(U21'(isList(activate(z0)), activate(z1)), ISLIST(activate(z0)), ACTIVATE(z0), ACTIVATE(z1))

(14) Obligation:

Complexity Dependency Tuples Problem
Rules:

__(__(z0, z1), z2) → __(z0, __(z1, z2))
__(z0, nil) → z0
__(nil, z0) → z0
__(z0, z1) → n____(z0, z1)
U11(tt) → tt
U21(tt, z0) → U22(isList(activate(z0)))
U22(tt) → tt
U31(tt) → tt
U41(tt, z0) → U42(isNeList(activate(z0)))
U42(tt) → tt
U51(tt, z0) → U52(isList(activate(z0)))
U52(tt) → tt
U61(tt) → tt
U71(tt, z0) → U72(isPal(activate(z0)))
U72(tt) → tt
U81(tt) → tt
isList(z0) → U11(isNeList(activate(z0)))
isList(n__nil) → tt
isList(n____(z0, z1)) → U21(isList(activate(z0)), activate(z1))
isNeList(z0) → U31(isQid(activate(z0)))
isNeList(n____(z0, z1)) → U41(isList(activate(z0)), activate(z1))
isNeList(n____(z0, z1)) → U51(isNeList(activate(z0)), activate(z1))
isNePal(z0) → U61(isQid(activate(z0)))
isNePal(n____(z0, n____(z1, z0))) → U71(isQid(activate(z0)), activate(z1))
isPal(z0) → U81(isNePal(activate(z0)))
isPal(n__nil) → tt
isQid(n__a) → tt
isQid(n__e) → tt
isQid(n__i) → tt
isQid(n__o) → tt
isQid(n__u) → tt
niln__nil
an__a
en__e
in__i
on__o
un__u
activate(n__nil) → nil
activate(n____(z0, z1)) → __(activate(z0), activate(z1))
activate(n__a) → a
activate(n__e) → e
activate(n__i) → i
activate(n__o) → o
activate(n__u) → u
activate(z0) → z0
Tuples:

U21'(tt, z0) → c5(U22'(isList(activate(z0))), ISLIST(activate(z0)), ACTIVATE(z0))
U41'(tt, z0) → c8(U42'(isNeList(activate(z0))), ISNELIST(activate(z0)), ACTIVATE(z0))
U51'(tt, z0) → c10(U52'(isList(activate(z0))), ISLIST(activate(z0)), ACTIVATE(z0))
U71'(tt, z0) → c13(U72'(isPal(activate(z0))), ISPAL(activate(z0)), ACTIVATE(z0))
ISLIST(z0) → c16(U11'(isNeList(activate(z0))), ISNELIST(activate(z0)), ACTIVATE(z0))
ISLIST(n____(z0, z1)) → c18(U21'(isList(activate(z0)), activate(z1)), ISLIST(activate(z0)), ACTIVATE(z0), ACTIVATE(z1))
ISNELIST(z0) → c19(U31'(isQid(activate(z0))), ISQID(activate(z0)), ACTIVATE(z0))
ISNELIST(n____(z0, z1)) → c20(U41'(isList(activate(z0)), activate(z1)), ISLIST(activate(z0)), ACTIVATE(z0), ACTIVATE(z1))
ISNELIST(n____(z0, z1)) → c21(U51'(isNeList(activate(z0)), activate(z1)), ISNELIST(activate(z0)), ACTIVATE(z0), ACTIVATE(z1))
ISNEPAL(z0) → c22(U61'(isQid(activate(z0))), ISQID(activate(z0)), ACTIVATE(z0))
ISNEPAL(n____(z0, n____(z1, z0))) → c23(U71'(isQid(activate(z0)), activate(z1)), ISQID(activate(z0)), ACTIVATE(z0), ACTIVATE(z1))
ISPAL(z0) → c24(U81'(isNePal(activate(z0))), ISNEPAL(activate(z0)), ACTIVATE(z0))
ACTIVATE(n____(z0, z1)) → c38(__'(activate(z0), activate(z1)), ACTIVATE(z0), ACTIVATE(z1))
S tuples:

ISLIST(z0) → c16(U11'(isNeList(activate(z0))), ISNELIST(activate(z0)), ACTIVATE(z0))
ISNELIST(z0) → c19(U31'(isQid(activate(z0))), ISQID(activate(z0)), ACTIVATE(z0))
ISNELIST(n____(z0, z1)) → c20(U41'(isList(activate(z0)), activate(z1)), ISLIST(activate(z0)), ACTIVATE(z0), ACTIVATE(z1))
ACTIVATE(n____(z0, z1)) → c38(__'(activate(z0), activate(z1)), ACTIVATE(z0), ACTIVATE(z1))
K tuples:

ISNEPAL(z0) → c22(U61'(isQid(activate(z0))), ISQID(activate(z0)), ACTIVATE(z0))
U71'(tt, z0) → c13(U72'(isPal(activate(z0))), ISPAL(activate(z0)), ACTIVATE(z0))
ISPAL(z0) → c24(U81'(isNePal(activate(z0))), ISNEPAL(activate(z0)), ACTIVATE(z0))
ISNEPAL(n____(z0, n____(z1, z0))) → c23(U71'(isQid(activate(z0)), activate(z1)), ISQID(activate(z0)), ACTIVATE(z0), ACTIVATE(z1))
U41'(tt, z0) → c8(U42'(isNeList(activate(z0))), ISNELIST(activate(z0)), ACTIVATE(z0))
ISLIST(n____(z0, z1)) → c18(U21'(isList(activate(z0)), activate(z1)), ISLIST(activate(z0)), ACTIVATE(z0), ACTIVATE(z1))
ISNELIST(n____(z0, z1)) → c21(U51'(isNeList(activate(z0)), activate(z1)), ISNELIST(activate(z0)), ACTIVATE(z0), ACTIVATE(z1))
U21'(tt, z0) → c5(U22'(isList(activate(z0))), ISLIST(activate(z0)), ACTIVATE(z0))
U51'(tt, z0) → c10(U52'(isList(activate(z0))), ISLIST(activate(z0)), ACTIVATE(z0))
Defined Rule Symbols:

__, U11, U21, U22, U31, U41, U42, U51, U52, U61, U71, U72, U81, isList, isNeList, isNePal, isPal, isQid, nil, a, e, i, o, u, activate

Defined Pair Symbols:

U21', U41', U51', U71', ISLIST, ISNELIST, ISNEPAL, ISPAL, ACTIVATE

Compound Symbols:

c5, c8, c10, c13, c16, c18, c19, c20, c21, c22, c23, c24, c38

(15) CdtPolyRedPairProof (UPPER BOUND (ADD(O(n^1))) transformation)

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

ISNELIST(n____(z0, z1)) → c20(U41'(isList(activate(z0)), activate(z1)), ISLIST(activate(z0)), ACTIVATE(z0), ACTIVATE(z1))
We considered the (Usable) Rules:

activate(n__nil) → nil
activate(n____(z0, z1)) → __(activate(z0), activate(z1))
activate(n__a) → a
activate(n__e) → e
activate(n__i) → i
activate(n__o) → o
activate(n__u) → u
activate(z0) → z0
un__u
on__o
in__i
en__e
an__a
__(z0, z1) → n____(z0, z1)
niln__nil
isNePal(z0) → U61(isQid(activate(z0)))
isNePal(n____(z0, n____(z1, z0))) → U71(isQid(activate(z0)), activate(z1))
isQid(n__a) → tt
isQid(n__e) → tt
isQid(n__i) → tt
isQid(n__o) → tt
isQid(n__u) → tt
U71(tt, z0) → U72(isPal(activate(z0)))
isPal(z0) → U81(isNePal(activate(z0)))
isPal(n__nil) → tt
U72(tt) → tt
U81(tt) → tt
U61(tt) → tt
isNeList(z0) → U31(isQid(activate(z0)))
isNeList(n____(z0, z1)) → U41(isList(activate(z0)), activate(z1))
isNeList(n____(z0, z1)) → U51(isNeList(activate(z0)), activate(z1))
U51(tt, z0) → U52(isList(activate(z0)))
isList(z0) → U11(isNeList(activate(z0)))
isList(n__nil) → tt
isList(n____(z0, z1)) → U21(isList(activate(z0)), activate(z1))
U52(tt) → tt
U21(tt, z0) → U22(isList(activate(z0)))
U22(tt) → tt
U11(tt) → tt
U41(tt, z0) → U42(isNeList(activate(z0)))
U42(tt) → tt
U31(tt) → tt
And the Tuples:

U21'(tt, z0) → c5(U22'(isList(activate(z0))), ISLIST(activate(z0)), ACTIVATE(z0))
U41'(tt, z0) → c8(U42'(isNeList(activate(z0))), ISNELIST(activate(z0)), ACTIVATE(z0))
U51'(tt, z0) → c10(U52'(isList(activate(z0))), ISLIST(activate(z0)), ACTIVATE(z0))
U71'(tt, z0) → c13(U72'(isPal(activate(z0))), ISPAL(activate(z0)), ACTIVATE(z0))
ISLIST(z0) → c16(U11'(isNeList(activate(z0))), ISNELIST(activate(z0)), ACTIVATE(z0))
ISLIST(n____(z0, z1)) → c18(U21'(isList(activate(z0)), activate(z1)), ISLIST(activate(z0)), ACTIVATE(z0), ACTIVATE(z1))
ISNELIST(z0) → c19(U31'(isQid(activate(z0))), ISQID(activate(z0)), ACTIVATE(z0))
ISNELIST(n____(z0, z1)) → c20(U41'(isList(activate(z0)), activate(z1)), ISLIST(activate(z0)), ACTIVATE(z0), ACTIVATE(z1))
ISNELIST(n____(z0, z1)) → c21(U51'(isNeList(activate(z0)), activate(z1)), ISNELIST(activate(z0)), ACTIVATE(z0), ACTIVATE(z1))
ISNEPAL(z0) → c22(U61'(isQid(activate(z0))), ISQID(activate(z0)), ACTIVATE(z0))
ISNEPAL(n____(z0, n____(z1, z0))) → c23(U71'(isQid(activate(z0)), activate(z1)), ISQID(activate(z0)), ACTIVATE(z0), ACTIVATE(z1))
ISPAL(z0) → c24(U81'(isNePal(activate(z0))), ISNEPAL(activate(z0)), ACTIVATE(z0))
ACTIVATE(n____(z0, z1)) → c38(__'(activate(z0), activate(z1)), ACTIVATE(z0), ACTIVATE(z1))
The order we found is given by the following interpretation:
Polynomial interpretation :

POL(ACTIVATE(x1)) = 0   
POL(ISLIST(x1)) = [4]x1   
POL(ISNELIST(x1)) = [4]x1   
POL(ISNEPAL(x1)) = [2] + [4]x1   
POL(ISPAL(x1)) = [4] + [4]x1   
POL(ISQID(x1)) = 0   
POL(U11(x1)) = [4] + [2]x1   
POL(U11'(x1)) = 0   
POL(U21(x1, x2)) = [2] + [3]x1   
POL(U21'(x1, x2)) = [4]x2   
POL(U22(x1)) = [3] + [3]x1   
POL(U22'(x1)) = 0   
POL(U31(x1)) = 0   
POL(U31'(x1)) = 0   
POL(U41(x1, x2)) = [2] + x2   
POL(U41'(x1, x2)) = [4]x2   
POL(U42(x1)) = 0   
POL(U42'(x1)) = 0   
POL(U51(x1, x2)) = [2] + x1 + x2   
POL(U51'(x1, x2)) = [4] + [4]x2   
POL(U52(x1)) = 0   
POL(U52'(x1)) = [4]   
POL(U61(x1)) = [3] + [3]x1   
POL(U61'(x1)) = [1]   
POL(U71(x1, x2)) = [2] + [4]x1 + [3]x2   
POL(U71'(x1, x2)) = [4] + [4]x2   
POL(U72(x1)) = [3] + x1   
POL(U72'(x1)) = 0   
POL(U81(x1)) = [2] + [2]x1   
POL(U81'(x1)) = 0   
POL(__(x1, x2)) = [1] + x1 + x2   
POL(__'(x1, x2)) = 0   
POL(a) = 0   
POL(activate(x1)) = x1   
POL(c10(x1, x2, x3)) = x1 + x2 + x3   
POL(c13(x1, x2, x3)) = x1 + x2 + x3   
POL(c16(x1, x2, x3)) = x1 + x2 + x3   
POL(c18(x1, x2, x3, x4)) = x1 + x2 + x3 + x4   
POL(c19(x1, x2, x3)) = x1 + x2 + x3   
POL(c20(x1, x2, x3, x4)) = x1 + x2 + x3 + x4   
POL(c21(x1, x2, x3, x4)) = x1 + x2 + x3 + x4   
POL(c22(x1, x2, x3)) = x1 + x2 + x3   
POL(c23(x1, x2, x3, x4)) = x1 + x2 + x3 + x4   
POL(c24(x1, x2, x3)) = x1 + x2 + x3   
POL(c38(x1, x2, x3)) = x1 + x2 + x3   
POL(c5(x1, x2, x3)) = x1 + x2 + x3   
POL(c8(x1, x2, x3)) = x1 + x2 + x3   
POL(e) = 0   
POL(i) = [1]   
POL(isList(x1)) = 0   
POL(isNeList(x1)) = [4] + [2]x1   
POL(isNePal(x1)) = [2]   
POL(isPal(x1)) = [2]   
POL(isQid(x1)) = [4]   
POL(n____(x1, x2)) = [1] + x1 + x2   
POL(n__a) = 0   
POL(n__e) = 0   
POL(n__i) = [1]   
POL(n__nil) = 0   
POL(n__o) = 0   
POL(n__u) = 0   
POL(nil) = 0   
POL(o) = 0   
POL(tt) = 0   
POL(u) = 0   

(16) Obligation:

Complexity Dependency Tuples Problem
Rules:

__(__(z0, z1), z2) → __(z0, __(z1, z2))
__(z0, nil) → z0
__(nil, z0) → z0
__(z0, z1) → n____(z0, z1)
U11(tt) → tt
U21(tt, z0) → U22(isList(activate(z0)))
U22(tt) → tt
U31(tt) → tt
U41(tt, z0) → U42(isNeList(activate(z0)))
U42(tt) → tt
U51(tt, z0) → U52(isList(activate(z0)))
U52(tt) → tt
U61(tt) → tt
U71(tt, z0) → U72(isPal(activate(z0)))
U72(tt) → tt
U81(tt) → tt
isList(z0) → U11(isNeList(activate(z0)))
isList(n__nil) → tt
isList(n____(z0, z1)) → U21(isList(activate(z0)), activate(z1))
isNeList(z0) → U31(isQid(activate(z0)))
isNeList(n____(z0, z1)) → U41(isList(activate(z0)), activate(z1))
isNeList(n____(z0, z1)) → U51(isNeList(activate(z0)), activate(z1))
isNePal(z0) → U61(isQid(activate(z0)))
isNePal(n____(z0, n____(z1, z0))) → U71(isQid(activate(z0)), activate(z1))
isPal(z0) → U81(isNePal(activate(z0)))
isPal(n__nil) → tt
isQid(n__a) → tt
isQid(n__e) → tt
isQid(n__i) → tt
isQid(n__o) → tt
isQid(n__u) → tt
niln__nil
an__a
en__e
in__i
on__o
un__u
activate(n__nil) → nil
activate(n____(z0, z1)) → __(activate(z0), activate(z1))
activate(n__a) → a
activate(n__e) → e
activate(n__i) → i
activate(n__o) → o
activate(n__u) → u
activate(z0) → z0
Tuples:

U21'(tt, z0) → c5(U22'(isList(activate(z0))), ISLIST(activate(z0)), ACTIVATE(z0))
U41'(tt, z0) → c8(U42'(isNeList(activate(z0))), ISNELIST(activate(z0)), ACTIVATE(z0))
U51'(tt, z0) → c10(U52'(isList(activate(z0))), ISLIST(activate(z0)), ACTIVATE(z0))
U71'(tt, z0) → c13(U72'(isPal(activate(z0))), ISPAL(activate(z0)), ACTIVATE(z0))
ISLIST(z0) → c16(U11'(isNeList(activate(z0))), ISNELIST(activate(z0)), ACTIVATE(z0))
ISLIST(n____(z0, z1)) → c18(U21'(isList(activate(z0)), activate(z1)), ISLIST(activate(z0)), ACTIVATE(z0), ACTIVATE(z1))
ISNELIST(z0) → c19(U31'(isQid(activate(z0))), ISQID(activate(z0)), ACTIVATE(z0))
ISNELIST(n____(z0, z1)) → c20(U41'(isList(activate(z0)), activate(z1)), ISLIST(activate(z0)), ACTIVATE(z0), ACTIVATE(z1))
ISNELIST(n____(z0, z1)) → c21(U51'(isNeList(activate(z0)), activate(z1)), ISNELIST(activate(z0)), ACTIVATE(z0), ACTIVATE(z1))
ISNEPAL(z0) → c22(U61'(isQid(activate(z0))), ISQID(activate(z0)), ACTIVATE(z0))
ISNEPAL(n____(z0, n____(z1, z0))) → c23(U71'(isQid(activate(z0)), activate(z1)), ISQID(activate(z0)), ACTIVATE(z0), ACTIVATE(z1))
ISPAL(z0) → c24(U81'(isNePal(activate(z0))), ISNEPAL(activate(z0)), ACTIVATE(z0))
ACTIVATE(n____(z0, z1)) → c38(__'(activate(z0), activate(z1)), ACTIVATE(z0), ACTIVATE(z1))
S tuples:

ISLIST(z0) → c16(U11'(isNeList(activate(z0))), ISNELIST(activate(z0)), ACTIVATE(z0))
ISNELIST(z0) → c19(U31'(isQid(activate(z0))), ISQID(activate(z0)), ACTIVATE(z0))
ACTIVATE(n____(z0, z1)) → c38(__'(activate(z0), activate(z1)), ACTIVATE(z0), ACTIVATE(z1))
K tuples:

ISNEPAL(z0) → c22(U61'(isQid(activate(z0))), ISQID(activate(z0)), ACTIVATE(z0))
U71'(tt, z0) → c13(U72'(isPal(activate(z0))), ISPAL(activate(z0)), ACTIVATE(z0))
ISPAL(z0) → c24(U81'(isNePal(activate(z0))), ISNEPAL(activate(z0)), ACTIVATE(z0))
ISNEPAL(n____(z0, n____(z1, z0))) → c23(U71'(isQid(activate(z0)), activate(z1)), ISQID(activate(z0)), ACTIVATE(z0), ACTIVATE(z1))
U41'(tt, z0) → c8(U42'(isNeList(activate(z0))), ISNELIST(activate(z0)), ACTIVATE(z0))
ISLIST(n____(z0, z1)) → c18(U21'(isList(activate(z0)), activate(z1)), ISLIST(activate(z0)), ACTIVATE(z0), ACTIVATE(z1))
ISNELIST(n____(z0, z1)) → c21(U51'(isNeList(activate(z0)), activate(z1)), ISNELIST(activate(z0)), ACTIVATE(z0), ACTIVATE(z1))
U21'(tt, z0) → c5(U22'(isList(activate(z0))), ISLIST(activate(z0)), ACTIVATE(z0))
U51'(tt, z0) → c10(U52'(isList(activate(z0))), ISLIST(activate(z0)), ACTIVATE(z0))
ISNELIST(n____(z0, z1)) → c20(U41'(isList(activate(z0)), activate(z1)), ISLIST(activate(z0)), ACTIVATE(z0), ACTIVATE(z1))
Defined Rule Symbols:

__, U11, U21, U22, U31, U41, U42, U51, U52, U61, U71, U72, U81, isList, isNeList, isNePal, isPal, isQid, nil, a, e, i, o, u, activate

Defined Pair Symbols:

U21', U41', U51', U71', ISLIST, ISNELIST, ISNEPAL, ISPAL, ACTIVATE

Compound Symbols:

c5, c8, c10, c13, c16, c18, c19, c20, c21, c22, c23, c24, c38

(17) CdtKnowledgeProof (EQUIVALENT transformation)

The following tuples could be moved from S to K by knowledge propagation:

ISLIST(z0) → c16(U11'(isNeList(activate(z0))), ISNELIST(activate(z0)), ACTIVATE(z0))
ISNELIST(z0) → c19(U31'(isQid(activate(z0))), ISQID(activate(z0)), ACTIVATE(z0))
ISNELIST(z0) → c19(U31'(isQid(activate(z0))), ISQID(activate(z0)), ACTIVATE(z0))
ISNELIST(n____(z0, z1)) → c20(U41'(isList(activate(z0)), activate(z1)), ISLIST(activate(z0)), ACTIVATE(z0), ACTIVATE(z1))
ISNELIST(n____(z0, z1)) → c21(U51'(isNeList(activate(z0)), activate(z1)), ISNELIST(activate(z0)), ACTIVATE(z0), ACTIVATE(z1))

(18) Obligation:

Complexity Dependency Tuples Problem
Rules:

__(__(z0, z1), z2) → __(z0, __(z1, z2))
__(z0, nil) → z0
__(nil, z0) → z0
__(z0, z1) → n____(z0, z1)
U11(tt) → tt
U21(tt, z0) → U22(isList(activate(z0)))
U22(tt) → tt
U31(tt) → tt
U41(tt, z0) → U42(isNeList(activate(z0)))
U42(tt) → tt
U51(tt, z0) → U52(isList(activate(z0)))
U52(tt) → tt
U61(tt) → tt
U71(tt, z0) → U72(isPal(activate(z0)))
U72(tt) → tt
U81(tt) → tt
isList(z0) → U11(isNeList(activate(z0)))
isList(n__nil) → tt
isList(n____(z0, z1)) → U21(isList(activate(z0)), activate(z1))
isNeList(z0) → U31(isQid(activate(z0)))
isNeList(n____(z0, z1)) → U41(isList(activate(z0)), activate(z1))
isNeList(n____(z0, z1)) → U51(isNeList(activate(z0)), activate(z1))
isNePal(z0) → U61(isQid(activate(z0)))
isNePal(n____(z0, n____(z1, z0))) → U71(isQid(activate(z0)), activate(z1))
isPal(z0) → U81(isNePal(activate(z0)))
isPal(n__nil) → tt
isQid(n__a) → tt
isQid(n__e) → tt
isQid(n__i) → tt
isQid(n__o) → tt
isQid(n__u) → tt
niln__nil
an__a
en__e
in__i
on__o
un__u
activate(n__nil) → nil
activate(n____(z0, z1)) → __(activate(z0), activate(z1))
activate(n__a) → a
activate(n__e) → e
activate(n__i) → i
activate(n__o) → o
activate(n__u) → u
activate(z0) → z0
Tuples:

U21'(tt, z0) → c5(U22'(isList(activate(z0))), ISLIST(activate(z0)), ACTIVATE(z0))
U41'(tt, z0) → c8(U42'(isNeList(activate(z0))), ISNELIST(activate(z0)), ACTIVATE(z0))
U51'(tt, z0) → c10(U52'(isList(activate(z0))), ISLIST(activate(z0)), ACTIVATE(z0))
U71'(tt, z0) → c13(U72'(isPal(activate(z0))), ISPAL(activate(z0)), ACTIVATE(z0))
ISLIST(z0) → c16(U11'(isNeList(activate(z0))), ISNELIST(activate(z0)), ACTIVATE(z0))
ISLIST(n____(z0, z1)) → c18(U21'(isList(activate(z0)), activate(z1)), ISLIST(activate(z0)), ACTIVATE(z0), ACTIVATE(z1))
ISNELIST(z0) → c19(U31'(isQid(activate(z0))), ISQID(activate(z0)), ACTIVATE(z0))
ISNELIST(n____(z0, z1)) → c20(U41'(isList(activate(z0)), activate(z1)), ISLIST(activate(z0)), ACTIVATE(z0), ACTIVATE(z1))
ISNELIST(n____(z0, z1)) → c21(U51'(isNeList(activate(z0)), activate(z1)), ISNELIST(activate(z0)), ACTIVATE(z0), ACTIVATE(z1))
ISNEPAL(z0) → c22(U61'(isQid(activate(z0))), ISQID(activate(z0)), ACTIVATE(z0))
ISNEPAL(n____(z0, n____(z1, z0))) → c23(U71'(isQid(activate(z0)), activate(z1)), ISQID(activate(z0)), ACTIVATE(z0), ACTIVATE(z1))
ISPAL(z0) → c24(U81'(isNePal(activate(z0))), ISNEPAL(activate(z0)), ACTIVATE(z0))
ACTIVATE(n____(z0, z1)) → c38(__'(activate(z0), activate(z1)), ACTIVATE(z0), ACTIVATE(z1))
S tuples:

ACTIVATE(n____(z0, z1)) → c38(__'(activate(z0), activate(z1)), ACTIVATE(z0), ACTIVATE(z1))
K tuples:

ISNEPAL(z0) → c22(U61'(isQid(activate(z0))), ISQID(activate(z0)), ACTIVATE(z0))
U71'(tt, z0) → c13(U72'(isPal(activate(z0))), ISPAL(activate(z0)), ACTIVATE(z0))
ISPAL(z0) → c24(U81'(isNePal(activate(z0))), ISNEPAL(activate(z0)), ACTIVATE(z0))
ISNEPAL(n____(z0, n____(z1, z0))) → c23(U71'(isQid(activate(z0)), activate(z1)), ISQID(activate(z0)), ACTIVATE(z0), ACTIVATE(z1))
U41'(tt, z0) → c8(U42'(isNeList(activate(z0))), ISNELIST(activate(z0)), ACTIVATE(z0))
ISLIST(n____(z0, z1)) → c18(U21'(isList(activate(z0)), activate(z1)), ISLIST(activate(z0)), ACTIVATE(z0), ACTIVATE(z1))
ISNELIST(n____(z0, z1)) → c21(U51'(isNeList(activate(z0)), activate(z1)), ISNELIST(activate(z0)), ACTIVATE(z0), ACTIVATE(z1))
U21'(tt, z0) → c5(U22'(isList(activate(z0))), ISLIST(activate(z0)), ACTIVATE(z0))
U51'(tt, z0) → c10(U52'(isList(activate(z0))), ISLIST(activate(z0)), ACTIVATE(z0))
ISNELIST(n____(z0, z1)) → c20(U41'(isList(activate(z0)), activate(z1)), ISLIST(activate(z0)), ACTIVATE(z0), ACTIVATE(z1))
ISLIST(z0) → c16(U11'(isNeList(activate(z0))), ISNELIST(activate(z0)), ACTIVATE(z0))
ISNELIST(z0) → c19(U31'(isQid(activate(z0))), ISQID(activate(z0)), ACTIVATE(z0))
Defined Rule Symbols:

__, U11, U21, U22, U31, U41, U42, U51, U52, U61, U71, U72, U81, isList, isNeList, isNePal, isPal, isQid, nil, a, e, i, o, u, activate

Defined Pair Symbols:

U21', U41', U51', U71', ISLIST, ISNELIST, ISNEPAL, ISPAL, ACTIVATE

Compound Symbols:

c5, c8, c10, c13, c16, c18, c19, c20, c21, c22, c23, c24, c38

(19) CdtPolyRedPairProof (UPPER BOUND (ADD(O(n^2))) transformation)

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

ACTIVATE(n____(z0, z1)) → c38(__'(activate(z0), activate(z1)), ACTIVATE(z0), ACTIVATE(z1))
We considered the (Usable) Rules:

activate(n__nil) → nil
activate(n____(z0, z1)) → __(activate(z0), activate(z1))
activate(n__a) → a
activate(n__e) → e
activate(n__i) → i
activate(n__o) → o
activate(n__u) → u
activate(z0) → z0
un__u
on__o
in__i
en__e
an__a
__(z0, z1) → n____(z0, z1)
niln__nil
isNePal(z0) → U61(isQid(activate(z0)))
isNePal(n____(z0, n____(z1, z0))) → U71(isQid(activate(z0)), activate(z1))
isQid(n__a) → tt
isQid(n__e) → tt
isQid(n__i) → tt
isQid(n__o) → tt
isQid(n__u) → tt
U71(tt, z0) → U72(isPal(activate(z0)))
isPal(z0) → U81(isNePal(activate(z0)))
isPal(n__nil) → tt
U72(tt) → tt
U81(tt) → tt
U61(tt) → tt
isNeList(z0) → U31(isQid(activate(z0)))
isNeList(n____(z0, z1)) → U41(isList(activate(z0)), activate(z1))
isNeList(n____(z0, z1)) → U51(isNeList(activate(z0)), activate(z1))
U51(tt, z0) → U52(isList(activate(z0)))
isList(z0) → U11(isNeList(activate(z0)))
isList(n__nil) → tt
isList(n____(z0, z1)) → U21(isList(activate(z0)), activate(z1))
U52(tt) → tt
U21(tt, z0) → U22(isList(activate(z0)))
U22(tt) → tt
U11(tt) → tt
U41(tt, z0) → U42(isNeList(activate(z0)))
U42(tt) → tt
U31(tt) → tt
And the Tuples:

U21'(tt, z0) → c5(U22'(isList(activate(z0))), ISLIST(activate(z0)), ACTIVATE(z0))
U41'(tt, z0) → c8(U42'(isNeList(activate(z0))), ISNELIST(activate(z0)), ACTIVATE(z0))
U51'(tt, z0) → c10(U52'(isList(activate(z0))), ISLIST(activate(z0)), ACTIVATE(z0))
U71'(tt, z0) → c13(U72'(isPal(activate(z0))), ISPAL(activate(z0)), ACTIVATE(z0))
ISLIST(z0) → c16(U11'(isNeList(activate(z0))), ISNELIST(activate(z0)), ACTIVATE(z0))
ISLIST(n____(z0, z1)) → c18(U21'(isList(activate(z0)), activate(z1)), ISLIST(activate(z0)), ACTIVATE(z0), ACTIVATE(z1))
ISNELIST(z0) → c19(U31'(isQid(activate(z0))), ISQID(activate(z0)), ACTIVATE(z0))
ISNELIST(n____(z0, z1)) → c20(U41'(isList(activate(z0)), activate(z1)), ISLIST(activate(z0)), ACTIVATE(z0), ACTIVATE(z1))
ISNELIST(n____(z0, z1)) → c21(U51'(isNeList(activate(z0)), activate(z1)), ISNELIST(activate(z0)), ACTIVATE(z0), ACTIVATE(z1))
ISNEPAL(z0) → c22(U61'(isQid(activate(z0))), ISQID(activate(z0)), ACTIVATE(z0))
ISNEPAL(n____(z0, n____(z1, z0))) → c23(U71'(isQid(activate(z0)), activate(z1)), ISQID(activate(z0)), ACTIVATE(z0), ACTIVATE(z1))
ISPAL(z0) → c24(U81'(isNePal(activate(z0))), ISNEPAL(activate(z0)), ACTIVATE(z0))
ACTIVATE(n____(z0, z1)) → c38(__'(activate(z0), activate(z1)), ACTIVATE(z0), ACTIVATE(z1))
The order we found is given by the following interpretation:
Polynomial interpretation :

POL(ACTIVATE(x1)) = x1   
POL(ISLIST(x1)) = [2]x1 + [2]x12   
POL(ISNELIST(x1)) = x1 + [2]x12   
POL(ISNEPAL(x1)) = [2] + [2]x1 + x12   
POL(ISPAL(x1)) = [3] + [3]x1 + x12   
POL(ISQID(x1)) = 0   
POL(U11(x1)) = 0   
POL(U11'(x1)) = 0   
POL(U21(x1, x2)) = 0   
POL(U21'(x1, x2)) = [3]x2 + [2]x22   
POL(U22(x1)) = 0   
POL(U22'(x1)) = 0   
POL(U31(x1)) = 0   
POL(U31'(x1)) = 0   
POL(U41(x1, x2)) = 0   
POL(U41'(x1, x2)) = [3]x2 + [2]x22   
POL(U42(x1)) = 0   
POL(U42'(x1)) = 0   
POL(U51(x1, x2)) = 0   
POL(U51'(x1, x2)) = [3]x2 + [2]x22   
POL(U52(x1)) = 0   
POL(U52'(x1)) = 0   
POL(U61(x1)) = 0   
POL(U61'(x1)) = [2]   
POL(U71(x1, x2)) = 0   
POL(U71'(x1, x2)) = [3] + x2 + x22 + [2]x1·x2   
POL(U72(x1)) = 0   
POL(U72'(x1)) = 0   
POL(U81(x1)) = 0   
POL(U81'(x1)) = 0   
POL(__(x1, x2)) = [1] + x1 + x2   
POL(__'(x1, x2)) = 0   
POL(a) = [2]   
POL(activate(x1)) = x1   
POL(c10(x1, x2, x3)) = x1 + x2 + x3   
POL(c13(x1, x2, x3)) = x1 + x2 + x3   
POL(c16(x1, x2, x3)) = x1 + x2 + x3   
POL(c18(x1, x2, x3, x4)) = x1 + x2 + x3 + x4   
POL(c19(x1, x2, x3)) = x1 + x2 + x3   
POL(c20(x1, x2, x3, x4)) = x1 + x2 + x3 + x4   
POL(c21(x1, x2, x3, x4)) = x1 + x2 + x3 + x4   
POL(c22(x1, x2, x3)) = x1 + x2 + x3   
POL(c23(x1, x2, x3, x4)) = x1 + x2 + x3 + x4   
POL(c24(x1, x2, x3)) = x1 + x2 + x3   
POL(c38(x1, x2, x3)) = x1 + x2 + x3   
POL(c5(x1, x2, x3)) = x1 + x2 + x3   
POL(c8(x1, x2, x3)) = x1 + x2 + x3   
POL(e) = 0   
POL(i) = 0   
POL(isList(x1)) = 0   
POL(isNeList(x1)) = 0   
POL(isNePal(x1)) = 0   
POL(isPal(x1)) = 0   
POL(isQid(x1)) = [2]   
POL(n____(x1, x2)) = [1] + x1 + x2   
POL(n__a) = [2]   
POL(n__e) = 0   
POL(n__i) = 0   
POL(n__nil) = 0   
POL(n__o) = 0   
POL(n__u) = 0   
POL(nil) = 0   
POL(o) = 0   
POL(tt) = [2]   
POL(u) = 0   

(20) Obligation:

Complexity Dependency Tuples Problem
Rules:

__(__(z0, z1), z2) → __(z0, __(z1, z2))
__(z0, nil) → z0
__(nil, z0) → z0
__(z0, z1) → n____(z0, z1)
U11(tt) → tt
U21(tt, z0) → U22(isList(activate(z0)))
U22(tt) → tt
U31(tt) → tt
U41(tt, z0) → U42(isNeList(activate(z0)))
U42(tt) → tt
U51(tt, z0) → U52(isList(activate(z0)))
U52(tt) → tt
U61(tt) → tt
U71(tt, z0) → U72(isPal(activate(z0)))
U72(tt) → tt
U81(tt) → tt
isList(z0) → U11(isNeList(activate(z0)))
isList(n__nil) → tt
isList(n____(z0, z1)) → U21(isList(activate(z0)), activate(z1))
isNeList(z0) → U31(isQid(activate(z0)))
isNeList(n____(z0, z1)) → U41(isList(activate(z0)), activate(z1))
isNeList(n____(z0, z1)) → U51(isNeList(activate(z0)), activate(z1))
isNePal(z0) → U61(isQid(activate(z0)))
isNePal(n____(z0, n____(z1, z0))) → U71(isQid(activate(z0)), activate(z1))
isPal(z0) → U81(isNePal(activate(z0)))
isPal(n__nil) → tt
isQid(n__a) → tt
isQid(n__e) → tt
isQid(n__i) → tt
isQid(n__o) → tt
isQid(n__u) → tt
niln__nil
an__a
en__e
in__i
on__o
un__u
activate(n__nil) → nil
activate(n____(z0, z1)) → __(activate(z0), activate(z1))
activate(n__a) → a
activate(n__e) → e
activate(n__i) → i
activate(n__o) → o
activate(n__u) → u
activate(z0) → z0
Tuples:

U21'(tt, z0) → c5(U22'(isList(activate(z0))), ISLIST(activate(z0)), ACTIVATE(z0))
U41'(tt, z0) → c8(U42'(isNeList(activate(z0))), ISNELIST(activate(z0)), ACTIVATE(z0))
U51'(tt, z0) → c10(U52'(isList(activate(z0))), ISLIST(activate(z0)), ACTIVATE(z0))
U71'(tt, z0) → c13(U72'(isPal(activate(z0))), ISPAL(activate(z0)), ACTIVATE(z0))
ISLIST(z0) → c16(U11'(isNeList(activate(z0))), ISNELIST(activate(z0)), ACTIVATE(z0))
ISLIST(n____(z0, z1)) → c18(U21'(isList(activate(z0)), activate(z1)), ISLIST(activate(z0)), ACTIVATE(z0), ACTIVATE(z1))
ISNELIST(z0) → c19(U31'(isQid(activate(z0))), ISQID(activate(z0)), ACTIVATE(z0))
ISNELIST(n____(z0, z1)) → c20(U41'(isList(activate(z0)), activate(z1)), ISLIST(activate(z0)), ACTIVATE(z0), ACTIVATE(z1))
ISNELIST(n____(z0, z1)) → c21(U51'(isNeList(activate(z0)), activate(z1)), ISNELIST(activate(z0)), ACTIVATE(z0), ACTIVATE(z1))
ISNEPAL(z0) → c22(U61'(isQid(activate(z0))), ISQID(activate(z0)), ACTIVATE(z0))
ISNEPAL(n____(z0, n____(z1, z0))) → c23(U71'(isQid(activate(z0)), activate(z1)), ISQID(activate(z0)), ACTIVATE(z0), ACTIVATE(z1))
ISPAL(z0) → c24(U81'(isNePal(activate(z0))), ISNEPAL(activate(z0)), ACTIVATE(z0))
ACTIVATE(n____(z0, z1)) → c38(__'(activate(z0), activate(z1)), ACTIVATE(z0), ACTIVATE(z1))
S tuples:none
K tuples:

ISNEPAL(z0) → c22(U61'(isQid(activate(z0))), ISQID(activate(z0)), ACTIVATE(z0))
U71'(tt, z0) → c13(U72'(isPal(activate(z0))), ISPAL(activate(z0)), ACTIVATE(z0))
ISPAL(z0) → c24(U81'(isNePal(activate(z0))), ISNEPAL(activate(z0)), ACTIVATE(z0))
ISNEPAL(n____(z0, n____(z1, z0))) → c23(U71'(isQid(activate(z0)), activate(z1)), ISQID(activate(z0)), ACTIVATE(z0), ACTIVATE(z1))
U41'(tt, z0) → c8(U42'(isNeList(activate(z0))), ISNELIST(activate(z0)), ACTIVATE(z0))
ISLIST(n____(z0, z1)) → c18(U21'(isList(activate(z0)), activate(z1)), ISLIST(activate(z0)), ACTIVATE(z0), ACTIVATE(z1))
ISNELIST(n____(z0, z1)) → c21(U51'(isNeList(activate(z0)), activate(z1)), ISNELIST(activate(z0)), ACTIVATE(z0), ACTIVATE(z1))
U21'(tt, z0) → c5(U22'(isList(activate(z0))), ISLIST(activate(z0)), ACTIVATE(z0))
U51'(tt, z0) → c10(U52'(isList(activate(z0))), ISLIST(activate(z0)), ACTIVATE(z0))
ISNELIST(n____(z0, z1)) → c20(U41'(isList(activate(z0)), activate(z1)), ISLIST(activate(z0)), ACTIVATE(z0), ACTIVATE(z1))
ISLIST(z0) → c16(U11'(isNeList(activate(z0))), ISNELIST(activate(z0)), ACTIVATE(z0))
ISNELIST(z0) → c19(U31'(isQid(activate(z0))), ISQID(activate(z0)), ACTIVATE(z0))
ACTIVATE(n____(z0, z1)) → c38(__'(activate(z0), activate(z1)), ACTIVATE(z0), ACTIVATE(z1))
Defined Rule Symbols:

__, U11, U21, U22, U31, U41, U42, U51, U52, U61, U71, U72, U81, isList, isNeList, isNePal, isPal, isQid, nil, a, e, i, o, u, activate

Defined Pair Symbols:

U21', U41', U51', U71', ISLIST, ISNELIST, ISNEPAL, ISPAL, ACTIVATE

Compound Symbols:

c5, c8, c10, c13, c16, c18, c19, c20, c21, c22, c23, c24, c38

(21) SIsEmptyProof (EQUIVALENT transformation)

The set S is empty

(22) BOUNDS(O(1), O(1))