(0) Obligation:
Runtime Complexity TRS:
The TRS R consists of the following rules:
f(f(x)) → f(c(f(x)))
f(f(x)) → f(d(f(x)))
g(c(x)) → x
g(d(x)) → x
g(c(0)) → g(d(1))
g(c(1)) → g(d(0))
Rewrite Strategy: INNERMOST
(1) CpxTrsToCdtProof (BOTH BOUNDS(ID, ID) transformation)
Converted CpxTRS to CDT
(2) Obligation:
Complexity Dependency Tuples Problem
Rules:
f(f(z0)) → f(c(f(z0)))
f(f(z0)) → f(d(f(z0)))
g(c(z0)) → z0
g(d(z0)) → z0
g(c(0)) → g(d(1))
g(c(1)) → g(d(0))
Tuples:
F(f(z0)) → c1(F(c(f(z0))), F(z0))
F(f(z0)) → c2(F(d(f(z0))), F(z0))
G(c(0)) → c5(G(d(1)))
G(c(1)) → c6(G(d(0)))
S tuples:
F(f(z0)) → c1(F(c(f(z0))), F(z0))
F(f(z0)) → c2(F(d(f(z0))), F(z0))
G(c(0)) → c5(G(d(1)))
G(c(1)) → c6(G(d(0)))
K tuples:none
Defined Rule Symbols:
f, g
Defined Pair Symbols:
F, G
Compound Symbols:
c1, c2, c5, c6
(3) CdtUnreachableProof (EQUIVALENT transformation)
The following tuples could be removed as they are not reachable from basic start terms:
F(f(z0)) → c1(F(c(f(z0))), F(z0))
F(f(z0)) → c2(F(d(f(z0))), F(z0))
(4) Obligation:
Complexity Dependency Tuples Problem
Rules:
f(f(z0)) → f(c(f(z0)))
f(f(z0)) → f(d(f(z0)))
g(c(z0)) → z0
g(d(z0)) → z0
g(c(0)) → g(d(1))
g(c(1)) → g(d(0))
Tuples:
G(c(0)) → c5(G(d(1)))
G(c(1)) → c6(G(d(0)))
S tuples:
G(c(0)) → c5(G(d(1)))
G(c(1)) → c6(G(d(0)))
K tuples:none
Defined Rule Symbols:
f, g
Defined Pair Symbols:
G
Compound Symbols:
c5, c6
(5) CdtLeafRemovalProof (BOTH BOUNDS(ID, ID) transformation)
Removed 2 trailing nodes:
G(c(1)) → c6(G(d(0)))
G(c(0)) → c5(G(d(1)))
(6) Obligation:
Complexity Dependency Tuples Problem
Rules:
f(f(z0)) → f(c(f(z0)))
f(f(z0)) → f(d(f(z0)))
g(c(z0)) → z0
g(d(z0)) → z0
g(c(0)) → g(d(1))
g(c(1)) → g(d(0))
Tuples:none
S tuples:none
K tuples:none
Defined Rule Symbols:
f, g
Defined Pair Symbols:none
Compound Symbols:none
(7) SIsEmptyProof (EQUIVALENT transformation)
The set S is empty
(8) BOUNDS(O(1), O(1))