Termination w.r.t. Q of the following Term Rewriting System could not be shown:
Q restricted rewrite system:
The TRS R consists of the following rules:
b2(a, f1(b2(b2(z, y), a))) -> z
c3(c3(z, x, a), a, y) -> f1(f1(c3(y, a, f1(c3(z, y, x)))))
f1(f1(c3(a, y, z))) -> b2(y, b2(z, z))
Q is empty.
↳ QTRS
↳ DependencyPairsProof
Q restricted rewrite system:
The TRS R consists of the following rules:
b2(a, f1(b2(b2(z, y), a))) -> z
c3(c3(z, x, a), a, y) -> f1(f1(c3(y, a, f1(c3(z, y, x)))))
f1(f1(c3(a, y, z))) -> b2(y, b2(z, z))
Q is empty.
Using Dependency Pairs [1,13] we result in the following initial DP problem:
Q DP problem:
The TRS P consists of the following rules:
F1(f1(c3(a, y, z))) -> B2(y, b2(z, z))
C3(c3(z, x, a), a, y) -> F1(f1(c3(y, a, f1(c3(z, y, x)))))
C3(c3(z, x, a), a, y) -> F1(c3(z, y, x))
F1(f1(c3(a, y, z))) -> B2(z, z)
C3(c3(z, x, a), a, y) -> F1(c3(y, a, f1(c3(z, y, x))))
C3(c3(z, x, a), a, y) -> C3(z, y, x)
C3(c3(z, x, a), a, y) -> C3(y, a, f1(c3(z, y, x)))
The TRS R consists of the following rules:
b2(a, f1(b2(b2(z, y), a))) -> z
c3(c3(z, x, a), a, y) -> f1(f1(c3(y, a, f1(c3(z, y, x)))))
f1(f1(c3(a, y, z))) -> b2(y, b2(z, z))
Q is empty.
We have to consider all minimal (P,Q,R)-chains.
↳ QTRS
↳ DependencyPairsProof
↳ QDP
↳ DependencyGraphProof
Q DP problem:
The TRS P consists of the following rules:
F1(f1(c3(a, y, z))) -> B2(y, b2(z, z))
C3(c3(z, x, a), a, y) -> F1(f1(c3(y, a, f1(c3(z, y, x)))))
C3(c3(z, x, a), a, y) -> F1(c3(z, y, x))
F1(f1(c3(a, y, z))) -> B2(z, z)
C3(c3(z, x, a), a, y) -> F1(c3(y, a, f1(c3(z, y, x))))
C3(c3(z, x, a), a, y) -> C3(z, y, x)
C3(c3(z, x, a), a, y) -> C3(y, a, f1(c3(z, y, x)))
The TRS R consists of the following rules:
b2(a, f1(b2(b2(z, y), a))) -> z
c3(c3(z, x, a), a, y) -> f1(f1(c3(y, a, f1(c3(z, y, x)))))
f1(f1(c3(a, y, z))) -> b2(y, b2(z, z))
Q is empty.
We have to consider all minimal (P,Q,R)-chains.
The approximation of the Dependency Graph [13,14,18] contains 1 SCC with 5 less nodes.
↳ QTRS
↳ DependencyPairsProof
↳ QDP
↳ DependencyGraphProof
↳ QDP
Q DP problem:
The TRS P consists of the following rules:
C3(c3(z, x, a), a, y) -> C3(y, a, f1(c3(z, y, x)))
C3(c3(z, x, a), a, y) -> C3(z, y, x)
The TRS R consists of the following rules:
b2(a, f1(b2(b2(z, y), a))) -> z
c3(c3(z, x, a), a, y) -> f1(f1(c3(y, a, f1(c3(z, y, x)))))
f1(f1(c3(a, y, z))) -> b2(y, b2(z, z))
Q is empty.
We have to consider all minimal (P,Q,R)-chains.