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:
a1(a1(f2(x, y))) -> f2(a1(b1(a1(b1(a1(x))))), a1(b1(a1(b1(a1(y))))))
f2(a1(x), a1(y)) -> a1(f2(x, y))
f2(b1(x), b1(y)) -> b1(f2(x, y))
Q is empty.
↳ QTRS
↳ DependencyPairsProof
Q restricted rewrite system:
The TRS R consists of the following rules:
a1(a1(f2(x, y))) -> f2(a1(b1(a1(b1(a1(x))))), a1(b1(a1(b1(a1(y))))))
f2(a1(x), a1(y)) -> a1(f2(x, y))
f2(b1(x), b1(y)) -> b1(f2(x, 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:
A1(a1(f2(x, y))) -> A1(y)
F2(a1(x), a1(y)) -> F2(x, y)
A1(a1(f2(x, y))) -> A1(b1(a1(y)))
A1(a1(f2(x, y))) -> A1(b1(a1(b1(a1(x)))))
A1(a1(f2(x, y))) -> A1(x)
F2(b1(x), b1(y)) -> F2(x, y)
F2(a1(x), a1(y)) -> A1(f2(x, y))
A1(a1(f2(x, y))) -> A1(b1(a1(b1(a1(y)))))
A1(a1(f2(x, y))) -> F2(a1(b1(a1(b1(a1(x))))), a1(b1(a1(b1(a1(y))))))
A1(a1(f2(x, y))) -> A1(b1(a1(x)))
The TRS R consists of the following rules:
a1(a1(f2(x, y))) -> f2(a1(b1(a1(b1(a1(x))))), a1(b1(a1(b1(a1(y))))))
f2(a1(x), a1(y)) -> a1(f2(x, y))
f2(b1(x), b1(y)) -> b1(f2(x, 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:
A1(a1(f2(x, y))) -> A1(y)
F2(a1(x), a1(y)) -> F2(x, y)
A1(a1(f2(x, y))) -> A1(b1(a1(y)))
A1(a1(f2(x, y))) -> A1(b1(a1(b1(a1(x)))))
A1(a1(f2(x, y))) -> A1(x)
F2(b1(x), b1(y)) -> F2(x, y)
F2(a1(x), a1(y)) -> A1(f2(x, y))
A1(a1(f2(x, y))) -> A1(b1(a1(b1(a1(y)))))
A1(a1(f2(x, y))) -> F2(a1(b1(a1(b1(a1(x))))), a1(b1(a1(b1(a1(y))))))
A1(a1(f2(x, y))) -> A1(b1(a1(x)))
The TRS R consists of the following rules:
a1(a1(f2(x, y))) -> f2(a1(b1(a1(b1(a1(x))))), a1(b1(a1(b1(a1(y))))))
f2(a1(x), a1(y)) -> a1(f2(x, y))
f2(b1(x), b1(y)) -> b1(f2(x, 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 4 less nodes.
↳ QTRS
↳ DependencyPairsProof
↳ QDP
↳ DependencyGraphProof
↳ QDP
Q DP problem:
The TRS P consists of the following rules:
A1(a1(f2(x, y))) -> A1(y)
F2(a1(x), a1(y)) -> F2(x, y)
A1(a1(f2(x, y))) -> A1(x)
F2(b1(x), b1(y)) -> F2(x, y)
F2(a1(x), a1(y)) -> A1(f2(x, y))
A1(a1(f2(x, y))) -> F2(a1(b1(a1(b1(a1(x))))), a1(b1(a1(b1(a1(y))))))
The TRS R consists of the following rules:
a1(a1(f2(x, y))) -> f2(a1(b1(a1(b1(a1(x))))), a1(b1(a1(b1(a1(y))))))
f2(a1(x), a1(y)) -> a1(f2(x, y))
f2(b1(x), b1(y)) -> b1(f2(x, y))
Q is empty.
We have to consider all minimal (P,Q,R)-chains.