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(f1(b2(x, z)), y) -> f1(f1(f1(b2(z, b2(y, z)))))
c3(f1(f1(c3(x, a, z))), a, y) -> b2(y, f1(b2(a, z)))
b2(b2(c3(b2(a, a), a, z), f1(a)), y) -> z

Q is empty.


QTRS
  ↳ DependencyPairsProof

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

b2(f1(b2(x, z)), y) -> f1(f1(f1(b2(z, b2(y, z)))))
c3(f1(f1(c3(x, a, z))), a, y) -> b2(y, f1(b2(a, z)))
b2(b2(c3(b2(a, a), a, z), f1(a)), y) -> 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:

C3(f1(f1(c3(x, a, z))), a, y) -> B2(a, z)
C3(f1(f1(c3(x, a, z))), a, y) -> B2(y, f1(b2(a, z)))
B2(f1(b2(x, z)), y) -> B2(z, b2(y, z))
B2(f1(b2(x, z)), y) -> B2(y, z)

The TRS R consists of the following rules:

b2(f1(b2(x, z)), y) -> f1(f1(f1(b2(z, b2(y, z)))))
c3(f1(f1(c3(x, a, z))), a, y) -> b2(y, f1(b2(a, z)))
b2(b2(c3(b2(a, a), a, z), f1(a)), y) -> 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:

C3(f1(f1(c3(x, a, z))), a, y) -> B2(a, z)
C3(f1(f1(c3(x, a, z))), a, y) -> B2(y, f1(b2(a, z)))
B2(f1(b2(x, z)), y) -> B2(z, b2(y, z))
B2(f1(b2(x, z)), y) -> B2(y, z)

The TRS R consists of the following rules:

b2(f1(b2(x, z)), y) -> f1(f1(f1(b2(z, b2(y, z)))))
c3(f1(f1(c3(x, a, z))), a, y) -> b2(y, f1(b2(a, z)))
b2(b2(c3(b2(a, a), a, z), f1(a)), y) -> 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 2 less nodes.

↳ QTRS
  ↳ DependencyPairsProof
    ↳ QDP
      ↳ DependencyGraphProof
QDP

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

B2(f1(b2(x, z)), y) -> B2(z, b2(y, z))
B2(f1(b2(x, z)), y) -> B2(y, z)

The TRS R consists of the following rules:

b2(f1(b2(x, z)), y) -> f1(f1(f1(b2(z, b2(y, z)))))
c3(f1(f1(c3(x, a, z))), a, y) -> b2(y, f1(b2(a, z)))
b2(b2(c3(b2(a, a), a, z), f1(a)), y) -> z

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