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:
a2(x, y) -> b2(x, b2(0, c1(y)))
c1(b2(y, c1(x))) -> c1(c1(b2(a2(0, 0), y)))
b2(y, 0) -> y
Q is empty.
↳ QTRS
↳ DependencyPairsProof
Q restricted rewrite system:
The TRS R consists of the following rules:
a2(x, y) -> b2(x, b2(0, c1(y)))
c1(b2(y, c1(x))) -> c1(c1(b2(a2(0, 0), y)))
b2(y, 0) -> y
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:
C1(b2(y, c1(x))) -> C1(b2(a2(0, 0), y))
A2(x, y) -> B2(0, c1(y))
C1(b2(y, c1(x))) -> C1(c1(b2(a2(0, 0), y)))
C1(b2(y, c1(x))) -> A2(0, 0)
C1(b2(y, c1(x))) -> B2(a2(0, 0), y)
A2(x, y) -> C1(y)
A2(x, y) -> B2(x, b2(0, c1(y)))
The TRS R consists of the following rules:
a2(x, y) -> b2(x, b2(0, c1(y)))
c1(b2(y, c1(x))) -> c1(c1(b2(a2(0, 0), y)))
b2(y, 0) -> y
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:
C1(b2(y, c1(x))) -> C1(b2(a2(0, 0), y))
A2(x, y) -> B2(0, c1(y))
C1(b2(y, c1(x))) -> C1(c1(b2(a2(0, 0), y)))
C1(b2(y, c1(x))) -> A2(0, 0)
C1(b2(y, c1(x))) -> B2(a2(0, 0), y)
A2(x, y) -> C1(y)
A2(x, y) -> B2(x, b2(0, c1(y)))
The TRS R consists of the following rules:
a2(x, y) -> b2(x, b2(0, c1(y)))
c1(b2(y, c1(x))) -> c1(c1(b2(a2(0, 0), y)))
b2(y, 0) -> y
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 3 less nodes.
↳ QTRS
↳ DependencyPairsProof
↳ QDP
↳ DependencyGraphProof
↳ QDP
Q DP problem:
The TRS P consists of the following rules:
C1(b2(y, c1(x))) -> C1(b2(a2(0, 0), y))
C1(b2(y, c1(x))) -> C1(c1(b2(a2(0, 0), y)))
C1(b2(y, c1(x))) -> A2(0, 0)
A2(x, y) -> C1(y)
The TRS R consists of the following rules:
a2(x, y) -> b2(x, b2(0, c1(y)))
c1(b2(y, c1(x))) -> c1(c1(b2(a2(0, 0), y)))
b2(y, 0) -> y
Q is empty.
We have to consider all minimal (P,Q,R)-chains.