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:

f(0(x1)) → s(0(x1))
d(0(x1)) → 0(x1)
d(s(x1)) → s(s(d(p(s(x1)))))
f(s(x1)) → d(f(p(s(x1))))
p(s(x1)) → x1

Q is empty.


QTRS
  ↳ DependencyPairsProof

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

f(0(x1)) → s(0(x1))
d(0(x1)) → 0(x1)
d(s(x1)) → s(s(d(p(s(x1)))))
f(s(x1)) → d(f(p(s(x1))))
p(s(x1)) → x1

Q is empty.

Using Dependency Pairs [1,15] we result in the following initial DP problem:
Q DP problem:
The TRS P consists of the following rules:

F(s(x1)) → D(f(p(s(x1))))
F(s(x1)) → F(p(s(x1)))
F(s(x1)) → P(s(x1))
D(s(x1)) → P(s(x1))
D(s(x1)) → D(p(s(x1)))

The TRS R consists of the following rules:

f(0(x1)) → s(0(x1))
d(0(x1)) → 0(x1)
d(s(x1)) → s(s(d(p(s(x1)))))
f(s(x1)) → d(f(p(s(x1))))
p(s(x1)) → x1

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:

F(s(x1)) → D(f(p(s(x1))))
F(s(x1)) → F(p(s(x1)))
F(s(x1)) → P(s(x1))
D(s(x1)) → P(s(x1))
D(s(x1)) → D(p(s(x1)))

The TRS R consists of the following rules:

f(0(x1)) → s(0(x1))
d(0(x1)) → 0(x1)
d(s(x1)) → s(s(d(p(s(x1)))))
f(s(x1)) → d(f(p(s(x1))))
p(s(x1)) → x1

Q is empty.
We have to consider all minimal (P,Q,R)-chains.
The approximation of the Dependency Graph [15,17,22] contains 2 SCCs with 3 less nodes.

↳ QTRS
  ↳ DependencyPairsProof
    ↳ QDP
      ↳ DependencyGraphProof
        ↳ AND
QDP
          ↳ QDP

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

D(s(x1)) → D(p(s(x1)))

The TRS R consists of the following rules:

f(0(x1)) → s(0(x1))
d(0(x1)) → 0(x1)
d(s(x1)) → s(s(d(p(s(x1)))))
f(s(x1)) → d(f(p(s(x1))))
p(s(x1)) → x1

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

↳ QTRS
  ↳ DependencyPairsProof
    ↳ QDP
      ↳ DependencyGraphProof
        ↳ AND
          ↳ QDP
QDP

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

F(s(x1)) → F(p(s(x1)))

The TRS R consists of the following rules:

f(0(x1)) → s(0(x1))
d(0(x1)) → 0(x1)
d(s(x1)) → s(s(d(p(s(x1)))))
f(s(x1)) → d(f(p(s(x1))))
p(s(x1)) → x1

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