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:

a -> g1(c)
g1(a) -> b
f2(g1(X), b) -> f2(a, X)

Q is empty.


QTRS
  ↳ DependencyPairsProof

Q restricted rewrite system:
The TRS R consists of the following rules:

a -> g1(c)
g1(a) -> b
f2(g1(X), b) -> f2(a, X)

Q is empty.

Q DP problem:
The TRS P consists of the following rules:

F2(g1(X), b) -> A
F2(g1(X), b) -> F2(a, X)
A -> G1(c)

The TRS R consists of the following rules:

a -> g1(c)
g1(a) -> b
f2(g1(X), b) -> f2(a, X)

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:

F2(g1(X), b) -> A
F2(g1(X), b) -> F2(a, X)
A -> G1(c)

The TRS R consists of the following rules:

a -> g1(c)
g1(a) -> b
f2(g1(X), b) -> f2(a, X)

Q is empty.
We have to consider all minimal (P,Q,R)-chains.
The approximation of the Dependency Graph contains 1 SCC with 2 less nodes.

↳ QTRS
  ↳ DependencyPairsProof
    ↳ QDP
      ↳ DependencyGraphProof
QDP

Q DP problem:
The TRS P consists of the following rules:

F2(g1(X), b) -> F2(a, X)

The TRS R consists of the following rules:

a -> g1(c)
g1(a) -> b
f2(g1(X), b) -> f2(a, X)

Q is empty.
We have to consider all minimal (P,Q,R)-chains.