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(x1) → x1
a(b(x1)) → x1
a(c(c(x1))) → c(c(b(a(c(a(x1))))))

Q is empty.


QTRS
  ↳ QTRS Reverse
  ↳ DependencyPairsProof
  ↳ QTRS Reverse

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

a(x1) → x1
a(b(x1)) → x1
a(c(c(x1))) → c(c(b(a(c(a(x1))))))

Q is empty.

We have reversed the following QTRS:
The set of rules R is

a(x1) → x1
a(b(x1)) → x1
a(c(c(x1))) → c(c(b(a(c(a(x1))))))

The set Q is empty.
We have obtained the following QTRS:

a(x) → x
b(a(x)) → x
c(c(a(x))) → a(c(a(b(c(c(x))))))

The set Q is empty.

↳ QTRS
  ↳ QTRS Reverse
QTRS
  ↳ DependencyPairsProof
  ↳ QTRS Reverse

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

a(x) → x
b(a(x)) → x
c(c(a(x))) → a(c(a(b(c(c(x))))))

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:

A(c(c(x1))) → A(c(a(x1)))
A(c(c(x1))) → A(x1)

The TRS R consists of the following rules:

a(x1) → x1
a(b(x1)) → x1
a(c(c(x1))) → c(c(b(a(c(a(x1))))))

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

↳ QTRS
  ↳ QTRS Reverse
  ↳ DependencyPairsProof
QDP
      ↳ Narrowing
  ↳ QTRS Reverse

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

A(c(c(x1))) → A(c(a(x1)))
A(c(c(x1))) → A(x1)

The TRS R consists of the following rules:

a(x1) → x1
a(b(x1)) → x1
a(c(c(x1))) → c(c(b(a(c(a(x1))))))

Q is empty.
We have to consider all minimal (P,Q,R)-chains.
By narrowing [15] the rule A(c(c(x1))) → A(c(a(x1))) at position [0,0] we obtained the following new rules:

A(c(c(c(c(x0))))) → A(c(c(c(b(a(c(a(x0))))))))
A(c(c(b(x0)))) → A(c(x0))
A(c(c(x0))) → A(c(x0))



↳ QTRS
  ↳ QTRS Reverse
  ↳ DependencyPairsProof
    ↳ QDP
      ↳ Narrowing
QDP
          ↳ QDPToSRSProof
  ↳ QTRS Reverse

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

A(c(c(x0))) → A(c(x0))
A(c(c(b(x0)))) → A(c(x0))
A(c(c(c(c(x0))))) → A(c(c(c(b(a(c(a(x0))))))))
A(c(c(x1))) → A(x1)

The TRS R consists of the following rules:

a(x1) → x1
a(b(x1)) → x1
a(c(c(x1))) → c(c(b(a(c(a(x1))))))

Q is empty.
We have to consider all minimal (P,Q,R)-chains.
The finiteness of this DP problem is implied by strong termination of a SRS due to [12].


↳ QTRS
  ↳ QTRS Reverse
  ↳ DependencyPairsProof
    ↳ QDP
      ↳ Narrowing
        ↳ QDP
          ↳ QDPToSRSProof
QTRS
              ↳ QTRS Reverse
  ↳ QTRS Reverse

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

a(x1) → x1
a(b(x1)) → x1
a(c(c(x1))) → c(c(b(a(c(a(x1))))))
A(c(c(x0))) → A(c(x0))
A(c(c(b(x0)))) → A(c(x0))
A(c(c(c(c(x0))))) → A(c(c(c(b(a(c(a(x0))))))))
A(c(c(x1))) → A(x1)

Q is empty.

We have reversed the following QTRS:
The set of rules R is

a(x1) → x1
a(b(x1)) → x1
a(c(c(x1))) → c(c(b(a(c(a(x1))))))
A(c(c(x0))) → A(c(x0))
A(c(c(b(x0)))) → A(c(x0))
A(c(c(c(c(x0))))) → A(c(c(c(b(a(c(a(x0))))))))
A(c(c(x1))) → A(x1)

The set Q is empty.
We have obtained the following QTRS:

a(x) → x
b(a(x)) → x
c(c(a(x))) → a(c(a(b(c(c(x))))))
c(c(A(x))) → c(A(x))
b(c(c(A(x)))) → c(A(x))
c(c(c(c(A(x))))) → a(c(a(b(c(c(c(A(x))))))))
c(c(A(x))) → A(x)

The set Q is empty.

↳ QTRS
  ↳ QTRS Reverse
  ↳ DependencyPairsProof
    ↳ QDP
      ↳ Narrowing
        ↳ QDP
          ↳ QDPToSRSProof
            ↳ QTRS
              ↳ QTRS Reverse
QTRS
                  ↳ DependencyPairsProof
                  ↳ QTRS Reverse
                  ↳ QTRS Reverse
  ↳ QTRS Reverse

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

a(x) → x
b(a(x)) → x
c(c(a(x))) → a(c(a(b(c(c(x))))))
c(c(A(x))) → c(A(x))
b(c(c(A(x)))) → c(A(x))
c(c(c(c(A(x))))) → a(c(a(b(c(c(c(A(x))))))))
c(c(A(x))) → A(x)

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:

C(c(c(c(A(x))))) → C(a(b(c(c(c(A(x)))))))
C(c(c(c(A(x))))) → B(c(c(c(A(x)))))
C(c(c(c(A(x))))) → A1(b(c(c(c(A(x))))))
C(c(a(x))) → C(a(b(c(c(x)))))
C(c(a(x))) → B(c(c(x)))
C(c(a(x))) → A1(b(c(c(x))))
C(c(a(x))) → C(c(x))
C(c(a(x))) → A1(c(a(b(c(c(x))))))
C(c(a(x))) → C(x)
C(c(c(c(A(x))))) → A1(c(a(b(c(c(c(A(x))))))))

The TRS R consists of the following rules:

a(x) → x
b(a(x)) → x
c(c(a(x))) → a(c(a(b(c(c(x))))))
c(c(A(x))) → c(A(x))
b(c(c(A(x)))) → c(A(x))
c(c(c(c(A(x))))) → a(c(a(b(c(c(c(A(x))))))))
c(c(A(x))) → A(x)

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

↳ QTRS
  ↳ QTRS Reverse
  ↳ DependencyPairsProof
    ↳ QDP
      ↳ Narrowing
        ↳ QDP
          ↳ QDPToSRSProof
            ↳ QTRS
              ↳ QTRS Reverse
                ↳ QTRS
                  ↳ DependencyPairsProof
QDP
                      ↳ DependencyGraphProof
                  ↳ QTRS Reverse
                  ↳ QTRS Reverse
  ↳ QTRS Reverse

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

C(c(c(c(A(x))))) → C(a(b(c(c(c(A(x)))))))
C(c(c(c(A(x))))) → B(c(c(c(A(x)))))
C(c(c(c(A(x))))) → A1(b(c(c(c(A(x))))))
C(c(a(x))) → C(a(b(c(c(x)))))
C(c(a(x))) → B(c(c(x)))
C(c(a(x))) → A1(b(c(c(x))))
C(c(a(x))) → C(c(x))
C(c(a(x))) → A1(c(a(b(c(c(x))))))
C(c(a(x))) → C(x)
C(c(c(c(A(x))))) → A1(c(a(b(c(c(c(A(x))))))))

The TRS R consists of the following rules:

a(x) → x
b(a(x)) → x
c(c(a(x))) → a(c(a(b(c(c(x))))))
c(c(A(x))) → c(A(x))
b(c(c(A(x)))) → c(A(x))
c(c(c(c(A(x))))) → a(c(a(b(c(c(c(A(x))))))))
c(c(A(x))) → A(x)

Q is empty.
We have to consider all minimal (P,Q,R)-chains.
The approximation of the Dependency Graph [15,17,22] contains 1 SCC with 6 less nodes.

↳ QTRS
  ↳ QTRS Reverse
  ↳ DependencyPairsProof
    ↳ QDP
      ↳ Narrowing
        ↳ QDP
          ↳ QDPToSRSProof
            ↳ QTRS
              ↳ QTRS Reverse
                ↳ QTRS
                  ↳ DependencyPairsProof
                    ↳ QDP
                      ↳ DependencyGraphProof
QDP
                          ↳ Narrowing
                  ↳ QTRS Reverse
                  ↳ QTRS Reverse
  ↳ QTRS Reverse

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

C(c(c(c(A(x))))) → C(a(b(c(c(c(A(x)))))))
C(c(a(x))) → C(a(b(c(c(x)))))
C(c(a(x))) → C(c(x))
C(c(a(x))) → C(x)

The TRS R consists of the following rules:

a(x) → x
b(a(x)) → x
c(c(a(x))) → a(c(a(b(c(c(x))))))
c(c(A(x))) → c(A(x))
b(c(c(A(x)))) → c(A(x))
c(c(c(c(A(x))))) → a(c(a(b(c(c(c(A(x))))))))
c(c(A(x))) → A(x)

Q is empty.
We have to consider all minimal (P,Q,R)-chains.
By narrowing [15] the rule C(c(a(x))) → C(a(b(c(c(x))))) at position [0] we obtained the following new rules:

C(c(a(A(x0)))) → C(a(b(c(A(x0)))))
C(c(a(c(c(c(A(x0))))))) → C(a(b(c(a(c(a(b(c(c(c(A(x0))))))))))))
C(c(a(c(A(x0))))) → C(a(b(c(c(A(x0))))))
C(c(a(y0))) → C(b(c(c(y0))))
C(c(a(c(c(A(x0)))))) → C(a(b(a(c(a(b(c(c(c(A(x0)))))))))))
C(c(a(c(A(x0))))) → C(a(b(c(A(x0)))))
C(c(a(a(x0)))) → C(a(b(a(c(a(b(c(c(x0)))))))))
C(c(a(A(x0)))) → C(a(b(A(x0))))
C(c(a(c(a(x0))))) → C(a(b(c(a(c(a(b(c(c(x0))))))))))
C(c(a(A(x0)))) → C(a(c(A(x0))))



↳ QTRS
  ↳ QTRS Reverse
  ↳ DependencyPairsProof
    ↳ QDP
      ↳ Narrowing
        ↳ QDP
          ↳ QDPToSRSProof
            ↳ QTRS
              ↳ QTRS Reverse
                ↳ QTRS
                  ↳ DependencyPairsProof
                    ↳ QDP
                      ↳ DependencyGraphProof
                        ↳ QDP
                          ↳ Narrowing
QDP
                              ↳ Narrowing
                  ↳ QTRS Reverse
                  ↳ QTRS Reverse
  ↳ QTRS Reverse

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

C(c(a(A(x0)))) → C(a(b(c(A(x0)))))
C(c(a(c(c(c(A(x0))))))) → C(a(b(c(a(c(a(b(c(c(c(A(x0))))))))))))
C(c(a(A(x0)))) → C(a(b(A(x0))))
C(c(a(x))) → C(x)
C(c(c(c(A(x))))) → C(a(b(c(c(c(A(x)))))))
C(c(a(c(A(x0))))) → C(a(b(c(c(A(x0))))))
C(c(a(y0))) → C(b(c(c(y0))))
C(c(a(c(c(A(x0)))))) → C(a(b(a(c(a(b(c(c(c(A(x0)))))))))))
C(c(a(x))) → C(c(x))
C(c(a(c(A(x0))))) → C(a(b(c(A(x0)))))
C(c(a(a(x0)))) → C(a(b(a(c(a(b(c(c(x0)))))))))
C(c(a(c(a(x0))))) → C(a(b(c(a(c(a(b(c(c(x0))))))))))
C(c(a(A(x0)))) → C(a(c(A(x0))))

The TRS R consists of the following rules:

a(x) → x
b(a(x)) → x
c(c(a(x))) → a(c(a(b(c(c(x))))))
c(c(A(x))) → c(A(x))
b(c(c(A(x)))) → c(A(x))
c(c(c(c(A(x))))) → a(c(a(b(c(c(c(A(x))))))))
c(c(A(x))) → A(x)

Q is empty.
We have to consider all minimal (P,Q,R)-chains.
By narrowing [15] the rule C(c(c(c(A(x))))) → C(a(b(c(c(c(A(x))))))) at position [0] we obtained the following new rules:

C(c(c(c(A(x0))))) → C(a(b(c(c(A(x0))))))
C(c(c(c(A(y0))))) → C(b(c(c(c(A(y0))))))
C(c(c(c(A(x0))))) → C(a(b(c(A(x0)))))



↳ QTRS
  ↳ QTRS Reverse
  ↳ DependencyPairsProof
    ↳ QDP
      ↳ Narrowing
        ↳ QDP
          ↳ QDPToSRSProof
            ↳ QTRS
              ↳ QTRS Reverse
                ↳ QTRS
                  ↳ DependencyPairsProof
                    ↳ QDP
                      ↳ DependencyGraphProof
                        ↳ QDP
                          ↳ Narrowing
                            ↳ QDP
                              ↳ Narrowing
QDP
                                  ↳ Narrowing
                  ↳ QTRS Reverse
                  ↳ QTRS Reverse
  ↳ QTRS Reverse

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

C(c(a(A(x0)))) → C(a(b(c(A(x0)))))
C(c(a(c(c(c(A(x0))))))) → C(a(b(c(a(c(a(b(c(c(c(A(x0))))))))))))
C(c(c(c(A(x0))))) → C(a(b(c(A(x0)))))
C(c(a(A(x0)))) → C(a(b(A(x0))))
C(c(a(x))) → C(x)
C(c(a(c(A(x0))))) → C(a(b(c(c(A(x0))))))
C(c(a(c(c(A(x0)))))) → C(a(b(a(c(a(b(c(c(c(A(x0)))))))))))
C(c(a(y0))) → C(b(c(c(y0))))
C(c(a(x))) → C(c(x))
C(c(a(a(x0)))) → C(a(b(a(c(a(b(c(c(x0)))))))))
C(c(a(c(A(x0))))) → C(a(b(c(A(x0)))))
C(c(c(c(A(y0))))) → C(b(c(c(c(A(y0))))))
C(c(c(c(A(x0))))) → C(a(b(c(c(A(x0))))))
C(c(a(c(a(x0))))) → C(a(b(c(a(c(a(b(c(c(x0))))))))))
C(c(a(A(x0)))) → C(a(c(A(x0))))

The TRS R consists of the following rules:

a(x) → x
b(a(x)) → x
c(c(a(x))) → a(c(a(b(c(c(x))))))
c(c(A(x))) → c(A(x))
b(c(c(A(x)))) → c(A(x))
c(c(c(c(A(x))))) → a(c(a(b(c(c(c(A(x))))))))
c(c(A(x))) → A(x)

Q is empty.
We have to consider all minimal (P,Q,R)-chains.
By narrowing [15] the rule C(c(a(A(x0)))) → C(a(b(c(A(x0))))) at position [0] we obtained the following new rules:

C(c(a(A(y0)))) → C(b(c(A(y0))))



↳ QTRS
  ↳ QTRS Reverse
  ↳ DependencyPairsProof
    ↳ QDP
      ↳ Narrowing
        ↳ QDP
          ↳ QDPToSRSProof
            ↳ QTRS
              ↳ QTRS Reverse
                ↳ QTRS
                  ↳ DependencyPairsProof
                    ↳ QDP
                      ↳ DependencyGraphProof
                        ↳ QDP
                          ↳ Narrowing
                            ↳ QDP
                              ↳ Narrowing
                                ↳ QDP
                                  ↳ Narrowing
QDP
                                      ↳ DependencyGraphProof
                  ↳ QTRS Reverse
                  ↳ QTRS Reverse
  ↳ QTRS Reverse

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

C(c(a(c(c(c(A(x0))))))) → C(a(b(c(a(c(a(b(c(c(c(A(x0))))))))))))
C(c(c(c(A(x0))))) → C(a(b(c(A(x0)))))
C(c(a(A(y0)))) → C(b(c(A(y0))))
C(c(a(A(x0)))) → C(a(b(A(x0))))
C(c(a(x))) → C(x)
C(c(a(c(A(x0))))) → C(a(b(c(c(A(x0))))))
C(c(a(y0))) → C(b(c(c(y0))))
C(c(a(c(c(A(x0)))))) → C(a(b(a(c(a(b(c(c(c(A(x0)))))))))))
C(c(a(x))) → C(c(x))
C(c(a(c(A(x0))))) → C(a(b(c(A(x0)))))
C(c(a(a(x0)))) → C(a(b(a(c(a(b(c(c(x0)))))))))
C(c(c(c(A(x0))))) → C(a(b(c(c(A(x0))))))
C(c(c(c(A(y0))))) → C(b(c(c(c(A(y0))))))
C(c(a(c(a(x0))))) → C(a(b(c(a(c(a(b(c(c(x0))))))))))
C(c(a(A(x0)))) → C(a(c(A(x0))))

The TRS R consists of the following rules:

a(x) → x
b(a(x)) → x
c(c(a(x))) → a(c(a(b(c(c(x))))))
c(c(A(x))) → c(A(x))
b(c(c(A(x)))) → c(A(x))
c(c(c(c(A(x))))) → a(c(a(b(c(c(c(A(x))))))))
c(c(A(x))) → A(x)

Q is empty.
We have to consider all minimal (P,Q,R)-chains.
The approximation of the Dependency Graph [15,17,22] contains 1 SCC with 1 less node.

↳ QTRS
  ↳ QTRS Reverse
  ↳ DependencyPairsProof
    ↳ QDP
      ↳ Narrowing
        ↳ QDP
          ↳ QDPToSRSProof
            ↳ QTRS
              ↳ QTRS Reverse
                ↳ QTRS
                  ↳ DependencyPairsProof
                    ↳ QDP
                      ↳ DependencyGraphProof
                        ↳ QDP
                          ↳ Narrowing
                            ↳ QDP
                              ↳ Narrowing
                                ↳ QDP
                                  ↳ Narrowing
                                    ↳ QDP
                                      ↳ DependencyGraphProof
QDP
                                          ↳ Narrowing
                  ↳ QTRS Reverse
                  ↳ QTRS Reverse
  ↳ QTRS Reverse

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

C(c(a(c(c(c(A(x0))))))) → C(a(b(c(a(c(a(b(c(c(c(A(x0))))))))))))
C(c(c(c(A(x0))))) → C(a(b(c(A(x0)))))
C(c(a(A(x0)))) → C(a(b(A(x0))))
C(c(a(x))) → C(x)
C(c(a(c(A(x0))))) → C(a(b(c(c(A(x0))))))
C(c(a(y0))) → C(b(c(c(y0))))
C(c(a(c(c(A(x0)))))) → C(a(b(a(c(a(b(c(c(c(A(x0)))))))))))
C(c(a(x))) → C(c(x))
C(c(a(c(A(x0))))) → C(a(b(c(A(x0)))))
C(c(a(a(x0)))) → C(a(b(a(c(a(b(c(c(x0)))))))))
C(c(c(c(A(x0))))) → C(a(b(c(c(A(x0))))))
C(c(c(c(A(y0))))) → C(b(c(c(c(A(y0))))))
C(c(a(c(a(x0))))) → C(a(b(c(a(c(a(b(c(c(x0))))))))))
C(c(a(A(x0)))) → C(a(c(A(x0))))

The TRS R consists of the following rules:

a(x) → x
b(a(x)) → x
c(c(a(x))) → a(c(a(b(c(c(x))))))
c(c(A(x))) → c(A(x))
b(c(c(A(x)))) → c(A(x))
c(c(c(c(A(x))))) → a(c(a(b(c(c(c(A(x))))))))
c(c(A(x))) → A(x)

Q is empty.
We have to consider all minimal (P,Q,R)-chains.
By narrowing [15] the rule C(c(a(c(A(x0))))) → C(a(b(c(A(x0))))) at position [0] we obtained the following new rules:

C(c(a(c(A(y0))))) → C(b(c(A(y0))))



↳ QTRS
  ↳ QTRS Reverse
  ↳ DependencyPairsProof
    ↳ QDP
      ↳ Narrowing
        ↳ QDP
          ↳ QDPToSRSProof
            ↳ QTRS
              ↳ QTRS Reverse
                ↳ QTRS
                  ↳ DependencyPairsProof
                    ↳ QDP
                      ↳ DependencyGraphProof
                        ↳ QDP
                          ↳ Narrowing
                            ↳ QDP
                              ↳ Narrowing
                                ↳ QDP
                                  ↳ Narrowing
                                    ↳ QDP
                                      ↳ DependencyGraphProof
                                        ↳ QDP
                                          ↳ Narrowing
QDP
                                              ↳ DependencyGraphProof
                  ↳ QTRS Reverse
                  ↳ QTRS Reverse
  ↳ QTRS Reverse

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

C(c(a(c(A(y0))))) → C(b(c(A(y0))))
C(c(a(c(c(c(A(x0))))))) → C(a(b(c(a(c(a(b(c(c(c(A(x0))))))))))))
C(c(c(c(A(x0))))) → C(a(b(c(A(x0)))))
C(c(a(A(x0)))) → C(a(b(A(x0))))
C(c(a(x))) → C(x)
C(c(a(c(A(x0))))) → C(a(b(c(c(A(x0))))))
C(c(a(c(c(A(x0)))))) → C(a(b(a(c(a(b(c(c(c(A(x0)))))))))))
C(c(a(y0))) → C(b(c(c(y0))))
C(c(a(x))) → C(c(x))
C(c(a(a(x0)))) → C(a(b(a(c(a(b(c(c(x0)))))))))
C(c(c(c(A(y0))))) → C(b(c(c(c(A(y0))))))
C(c(c(c(A(x0))))) → C(a(b(c(c(A(x0))))))
C(c(a(c(a(x0))))) → C(a(b(c(a(c(a(b(c(c(x0))))))))))
C(c(a(A(x0)))) → C(a(c(A(x0))))

The TRS R consists of the following rules:

a(x) → x
b(a(x)) → x
c(c(a(x))) → a(c(a(b(c(c(x))))))
c(c(A(x))) → c(A(x))
b(c(c(A(x)))) → c(A(x))
c(c(c(c(A(x))))) → a(c(a(b(c(c(c(A(x))))))))
c(c(A(x))) → A(x)

Q is empty.
We have to consider all minimal (P,Q,R)-chains.
The approximation of the Dependency Graph [15,17,22] contains 1 SCC with 1 less node.

↳ QTRS
  ↳ QTRS Reverse
  ↳ DependencyPairsProof
    ↳ QDP
      ↳ Narrowing
        ↳ QDP
          ↳ QDPToSRSProof
            ↳ QTRS
              ↳ QTRS Reverse
                ↳ QTRS
                  ↳ DependencyPairsProof
                    ↳ QDP
                      ↳ DependencyGraphProof
                        ↳ QDP
                          ↳ Narrowing
                            ↳ QDP
                              ↳ Narrowing
                                ↳ QDP
                                  ↳ Narrowing
                                    ↳ QDP
                                      ↳ DependencyGraphProof
                                        ↳ QDP
                                          ↳ Narrowing
                                            ↳ QDP
                                              ↳ DependencyGraphProof
QDP
                                                  ↳ Narrowing
                  ↳ QTRS Reverse
                  ↳ QTRS Reverse
  ↳ QTRS Reverse

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

C(c(a(c(c(c(A(x0))))))) → C(a(b(c(a(c(a(b(c(c(c(A(x0))))))))))))
C(c(c(c(A(x0))))) → C(a(b(c(A(x0)))))
C(c(a(A(x0)))) → C(a(b(A(x0))))
C(c(a(x))) → C(x)
C(c(a(c(A(x0))))) → C(a(b(c(c(A(x0))))))
C(c(a(y0))) → C(b(c(c(y0))))
C(c(a(c(c(A(x0)))))) → C(a(b(a(c(a(b(c(c(c(A(x0)))))))))))
C(c(a(x))) → C(c(x))
C(c(a(a(x0)))) → C(a(b(a(c(a(b(c(c(x0)))))))))
C(c(c(c(A(x0))))) → C(a(b(c(c(A(x0))))))
C(c(c(c(A(y0))))) → C(b(c(c(c(A(y0))))))
C(c(a(c(a(x0))))) → C(a(b(c(a(c(a(b(c(c(x0))))))))))
C(c(a(A(x0)))) → C(a(c(A(x0))))

The TRS R consists of the following rules:

a(x) → x
b(a(x)) → x
c(c(a(x))) → a(c(a(b(c(c(x))))))
c(c(A(x))) → c(A(x))
b(c(c(A(x)))) → c(A(x))
c(c(c(c(A(x))))) → a(c(a(b(c(c(c(A(x))))))))
c(c(A(x))) → A(x)

Q is empty.
We have to consider all minimal (P,Q,R)-chains.
By narrowing [15] the rule C(c(a(A(x0)))) → C(a(b(A(x0)))) at position [0] we obtained the following new rules:

C(c(a(A(y0)))) → C(b(A(y0)))



↳ QTRS
  ↳ QTRS Reverse
  ↳ DependencyPairsProof
    ↳ QDP
      ↳ Narrowing
        ↳ QDP
          ↳ QDPToSRSProof
            ↳ QTRS
              ↳ QTRS Reverse
                ↳ QTRS
                  ↳ DependencyPairsProof
                    ↳ QDP
                      ↳ DependencyGraphProof
                        ↳ QDP
                          ↳ Narrowing
                            ↳ QDP
                              ↳ Narrowing
                                ↳ QDP
                                  ↳ Narrowing
                                    ↳ QDP
                                      ↳ DependencyGraphProof
                                        ↳ QDP
                                          ↳ Narrowing
                                            ↳ QDP
                                              ↳ DependencyGraphProof
                                                ↳ QDP
                                                  ↳ Narrowing
QDP
                                                      ↳ DependencyGraphProof
                  ↳ QTRS Reverse
                  ↳ QTRS Reverse
  ↳ QTRS Reverse

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

C(c(a(c(c(c(A(x0))))))) → C(a(b(c(a(c(a(b(c(c(c(A(x0))))))))))))
C(c(c(c(A(x0))))) → C(a(b(c(A(x0)))))
C(c(a(A(y0)))) → C(b(A(y0)))
C(c(a(x))) → C(x)
C(c(a(c(A(x0))))) → C(a(b(c(c(A(x0))))))
C(c(a(c(c(A(x0)))))) → C(a(b(a(c(a(b(c(c(c(A(x0)))))))))))
C(c(a(y0))) → C(b(c(c(y0))))
C(c(a(x))) → C(c(x))
C(c(a(a(x0)))) → C(a(b(a(c(a(b(c(c(x0)))))))))
C(c(c(c(A(y0))))) → C(b(c(c(c(A(y0))))))
C(c(c(c(A(x0))))) → C(a(b(c(c(A(x0))))))
C(c(a(c(a(x0))))) → C(a(b(c(a(c(a(b(c(c(x0))))))))))
C(c(a(A(x0)))) → C(a(c(A(x0))))

The TRS R consists of the following rules:

a(x) → x
b(a(x)) → x
c(c(a(x))) → a(c(a(b(c(c(x))))))
c(c(A(x))) → c(A(x))
b(c(c(A(x)))) → c(A(x))
c(c(c(c(A(x))))) → a(c(a(b(c(c(c(A(x))))))))
c(c(A(x))) → A(x)

Q is empty.
We have to consider all minimal (P,Q,R)-chains.
The approximation of the Dependency Graph [15,17,22] contains 1 SCC with 1 less node.

↳ QTRS
  ↳ QTRS Reverse
  ↳ DependencyPairsProof
    ↳ QDP
      ↳ Narrowing
        ↳ QDP
          ↳ QDPToSRSProof
            ↳ QTRS
              ↳ QTRS Reverse
                ↳ QTRS
                  ↳ DependencyPairsProof
                    ↳ QDP
                      ↳ DependencyGraphProof
                        ↳ QDP
                          ↳ Narrowing
                            ↳ QDP
                              ↳ Narrowing
                                ↳ QDP
                                  ↳ Narrowing
                                    ↳ QDP
                                      ↳ DependencyGraphProof
                                        ↳ QDP
                                          ↳ Narrowing
                                            ↳ QDP
                                              ↳ DependencyGraphProof
                                                ↳ QDP
                                                  ↳ Narrowing
                                                    ↳ QDP
                                                      ↳ DependencyGraphProof
QDP
                                                          ↳ Narrowing
                  ↳ QTRS Reverse
                  ↳ QTRS Reverse
  ↳ QTRS Reverse

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

C(c(a(c(c(c(A(x0))))))) → C(a(b(c(a(c(a(b(c(c(c(A(x0))))))))))))
C(c(a(c(A(x0))))) → C(a(b(c(c(A(x0))))))
C(c(c(c(A(x0))))) → C(a(b(c(A(x0)))))
C(c(a(c(c(A(x0)))))) → C(a(b(a(c(a(b(c(c(c(A(x0)))))))))))
C(c(a(y0))) → C(b(c(c(y0))))
C(c(a(x))) → C(c(x))
C(c(a(a(x0)))) → C(a(b(a(c(a(b(c(c(x0)))))))))
C(c(c(c(A(y0))))) → C(b(c(c(c(A(y0))))))
C(c(c(c(A(x0))))) → C(a(b(c(c(A(x0))))))
C(c(a(c(a(x0))))) → C(a(b(c(a(c(a(b(c(c(x0))))))))))
C(c(a(x))) → C(x)
C(c(a(A(x0)))) → C(a(c(A(x0))))

The TRS R consists of the following rules:

a(x) → x
b(a(x)) → x
c(c(a(x))) → a(c(a(b(c(c(x))))))
c(c(A(x))) → c(A(x))
b(c(c(A(x)))) → c(A(x))
c(c(c(c(A(x))))) → a(c(a(b(c(c(c(A(x))))))))
c(c(A(x))) → A(x)

Q is empty.
We have to consider all minimal (P,Q,R)-chains.
By narrowing [15] the rule C(c(a(A(x0)))) → C(a(c(A(x0)))) at position [0] we obtained the following new rules:

C(c(a(A(y0)))) → C(c(A(y0)))



↳ QTRS
  ↳ QTRS Reverse
  ↳ DependencyPairsProof
    ↳ QDP
      ↳ Narrowing
        ↳ QDP
          ↳ QDPToSRSProof
            ↳ QTRS
              ↳ QTRS Reverse
                ↳ QTRS
                  ↳ DependencyPairsProof
                    ↳ QDP
                      ↳ DependencyGraphProof
                        ↳ QDP
                          ↳ Narrowing
                            ↳ QDP
                              ↳ Narrowing
                                ↳ QDP
                                  ↳ Narrowing
                                    ↳ QDP
                                      ↳ DependencyGraphProof
                                        ↳ QDP
                                          ↳ Narrowing
                                            ↳ QDP
                                              ↳ DependencyGraphProof
                                                ↳ QDP
                                                  ↳ Narrowing
                                                    ↳ QDP
                                                      ↳ DependencyGraphProof
                                                        ↳ QDP
                                                          ↳ Narrowing
QDP
                                                              ↳ DependencyGraphProof
                  ↳ QTRS Reverse
                  ↳ QTRS Reverse
  ↳ QTRS Reverse

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

C(c(a(c(c(c(A(x0))))))) → C(a(b(c(a(c(a(b(c(c(c(A(x0))))))))))))
C(c(c(c(A(x0))))) → C(a(b(c(A(x0)))))
C(c(a(x))) → C(x)
C(c(a(c(A(x0))))) → C(a(b(c(c(A(x0))))))
C(c(a(y0))) → C(b(c(c(y0))))
C(c(a(c(c(A(x0)))))) → C(a(b(a(c(a(b(c(c(c(A(x0)))))))))))
C(c(a(x))) → C(c(x))
C(c(a(a(x0)))) → C(a(b(a(c(a(b(c(c(x0)))))))))
C(c(c(c(A(x0))))) → C(a(b(c(c(A(x0))))))
C(c(c(c(A(y0))))) → C(b(c(c(c(A(y0))))))
C(c(a(A(y0)))) → C(c(A(y0)))
C(c(a(c(a(x0))))) → C(a(b(c(a(c(a(b(c(c(x0))))))))))

The TRS R consists of the following rules:

a(x) → x
b(a(x)) → x
c(c(a(x))) → a(c(a(b(c(c(x))))))
c(c(A(x))) → c(A(x))
b(c(c(A(x)))) → c(A(x))
c(c(c(c(A(x))))) → a(c(a(b(c(c(c(A(x))))))))
c(c(A(x))) → A(x)

Q is empty.
We have to consider all minimal (P,Q,R)-chains.
The approximation of the Dependency Graph [15,17,22] contains 1 SCC with 1 less node.

↳ QTRS
  ↳ QTRS Reverse
  ↳ DependencyPairsProof
    ↳ QDP
      ↳ Narrowing
        ↳ QDP
          ↳ QDPToSRSProof
            ↳ QTRS
              ↳ QTRS Reverse
                ↳ QTRS
                  ↳ DependencyPairsProof
                    ↳ QDP
                      ↳ DependencyGraphProof
                        ↳ QDP
                          ↳ Narrowing
                            ↳ QDP
                              ↳ Narrowing
                                ↳ QDP
                                  ↳ Narrowing
                                    ↳ QDP
                                      ↳ DependencyGraphProof
                                        ↳ QDP
                                          ↳ Narrowing
                                            ↳ QDP
                                              ↳ DependencyGraphProof
                                                ↳ QDP
                                                  ↳ Narrowing
                                                    ↳ QDP
                                                      ↳ DependencyGraphProof
                                                        ↳ QDP
                                                          ↳ Narrowing
                                                            ↳ QDP
                                                              ↳ DependencyGraphProof
QDP
                                                                  ↳ Narrowing
                  ↳ QTRS Reverse
                  ↳ QTRS Reverse
  ↳ QTRS Reverse

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

C(c(a(c(c(c(A(x0))))))) → C(a(b(c(a(c(a(b(c(c(c(A(x0))))))))))))
C(c(a(c(A(x0))))) → C(a(b(c(c(A(x0))))))
C(c(c(c(A(x0))))) → C(a(b(c(A(x0)))))
C(c(a(c(c(A(x0)))))) → C(a(b(a(c(a(b(c(c(c(A(x0)))))))))))
C(c(a(y0))) → C(b(c(c(y0))))
C(c(a(x))) → C(c(x))
C(c(a(a(x0)))) → C(a(b(a(c(a(b(c(c(x0)))))))))
C(c(c(c(A(y0))))) → C(b(c(c(c(A(y0))))))
C(c(c(c(A(x0))))) → C(a(b(c(c(A(x0))))))
C(c(a(c(a(x0))))) → C(a(b(c(a(c(a(b(c(c(x0))))))))))
C(c(a(x))) → C(x)

The TRS R consists of the following rules:

a(x) → x
b(a(x)) → x
c(c(a(x))) → a(c(a(b(c(c(x))))))
c(c(A(x))) → c(A(x))
b(c(c(A(x)))) → c(A(x))
c(c(c(c(A(x))))) → a(c(a(b(c(c(c(A(x))))))))
c(c(A(x))) → A(x)

Q is empty.
We have to consider all minimal (P,Q,R)-chains.
By narrowing [15] the rule C(c(c(c(A(x0))))) → C(a(b(c(A(x0))))) at position [0] we obtained the following new rules:

C(c(c(c(A(y0))))) → C(b(c(A(y0))))



↳ QTRS
  ↳ QTRS Reverse
  ↳ DependencyPairsProof
    ↳ QDP
      ↳ Narrowing
        ↳ QDP
          ↳ QDPToSRSProof
            ↳ QTRS
              ↳ QTRS Reverse
                ↳ QTRS
                  ↳ DependencyPairsProof
                    ↳ QDP
                      ↳ DependencyGraphProof
                        ↳ QDP
                          ↳ Narrowing
                            ↳ QDP
                              ↳ Narrowing
                                ↳ QDP
                                  ↳ Narrowing
                                    ↳ QDP
                                      ↳ DependencyGraphProof
                                        ↳ QDP
                                          ↳ Narrowing
                                            ↳ QDP
                                              ↳ DependencyGraphProof
                                                ↳ QDP
                                                  ↳ Narrowing
                                                    ↳ QDP
                                                      ↳ DependencyGraphProof
                                                        ↳ QDP
                                                          ↳ Narrowing
                                                            ↳ QDP
                                                              ↳ DependencyGraphProof
                                                                ↳ QDP
                                                                  ↳ Narrowing
QDP
                                                                      ↳ DependencyGraphProof
                  ↳ QTRS Reverse
                  ↳ QTRS Reverse
  ↳ QTRS Reverse

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

C(c(a(c(c(c(A(x0))))))) → C(a(b(c(a(c(a(b(c(c(c(A(x0))))))))))))
C(c(a(c(A(x0))))) → C(a(b(c(c(A(x0))))))
C(c(c(c(A(y0))))) → C(b(c(A(y0))))
C(c(a(y0))) → C(b(c(c(y0))))
C(c(a(c(c(A(x0)))))) → C(a(b(a(c(a(b(c(c(c(A(x0)))))))))))
C(c(a(x))) → C(c(x))
C(c(a(a(x0)))) → C(a(b(a(c(a(b(c(c(x0)))))))))
C(c(c(c(A(x0))))) → C(a(b(c(c(A(x0))))))
C(c(c(c(A(y0))))) → C(b(c(c(c(A(y0))))))
C(c(a(c(a(x0))))) → C(a(b(c(a(c(a(b(c(c(x0))))))))))
C(c(a(x))) → C(x)

The TRS R consists of the following rules:

a(x) → x
b(a(x)) → x
c(c(a(x))) → a(c(a(b(c(c(x))))))
c(c(A(x))) → c(A(x))
b(c(c(A(x)))) → c(A(x))
c(c(c(c(A(x))))) → a(c(a(b(c(c(c(A(x))))))))
c(c(A(x))) → A(x)

Q is empty.
We have to consider all minimal (P,Q,R)-chains.
The approximation of the Dependency Graph [15,17,22] contains 1 SCC with 1 less node.

↳ QTRS
  ↳ QTRS Reverse
  ↳ DependencyPairsProof
    ↳ QDP
      ↳ Narrowing
        ↳ QDP
          ↳ QDPToSRSProof
            ↳ QTRS
              ↳ QTRS Reverse
                ↳ QTRS
                  ↳ DependencyPairsProof
                    ↳ QDP
                      ↳ DependencyGraphProof
                        ↳ QDP
                          ↳ Narrowing
                            ↳ QDP
                              ↳ Narrowing
                                ↳ QDP
                                  ↳ Narrowing
                                    ↳ QDP
                                      ↳ DependencyGraphProof
                                        ↳ QDP
                                          ↳ Narrowing
                                            ↳ QDP
                                              ↳ DependencyGraphProof
                                                ↳ QDP
                                                  ↳ Narrowing
                                                    ↳ QDP
                                                      ↳ DependencyGraphProof
                                                        ↳ QDP
                                                          ↳ Narrowing
                                                            ↳ QDP
                                                              ↳ DependencyGraphProof
                                                                ↳ QDP
                                                                  ↳ Narrowing
                                                                    ↳ QDP
                                                                      ↳ DependencyGraphProof
QDP
                  ↳ QTRS Reverse
                  ↳ QTRS Reverse
  ↳ QTRS Reverse

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

C(c(a(c(c(c(A(x0))))))) → C(a(b(c(a(c(a(b(c(c(c(A(x0))))))))))))
C(c(a(c(A(x0))))) → C(a(b(c(c(A(x0))))))
C(c(a(c(c(A(x0)))))) → C(a(b(a(c(a(b(c(c(c(A(x0)))))))))))
C(c(a(y0))) → C(b(c(c(y0))))
C(c(a(x))) → C(c(x))
C(c(a(a(x0)))) → C(a(b(a(c(a(b(c(c(x0)))))))))
C(c(c(c(A(y0))))) → C(b(c(c(c(A(y0))))))
C(c(c(c(A(x0))))) → C(a(b(c(c(A(x0))))))
C(c(a(c(a(x0))))) → C(a(b(c(a(c(a(b(c(c(x0))))))))))
C(c(a(x))) → C(x)

The TRS R consists of the following rules:

a(x) → x
b(a(x)) → x
c(c(a(x))) → a(c(a(b(c(c(x))))))
c(c(A(x))) → c(A(x))
b(c(c(A(x)))) → c(A(x))
c(c(c(c(A(x))))) → a(c(a(b(c(c(c(A(x))))))))
c(c(A(x))) → A(x)

Q is empty.
We have to consider all minimal (P,Q,R)-chains.
We have reversed the following QTRS:
The set of rules R is

a(x) → x
b(a(x)) → x
c(c(a(x))) → a(c(a(b(c(c(x))))))
c(c(A(x))) → c(A(x))
b(c(c(A(x)))) → c(A(x))
c(c(c(c(A(x))))) → a(c(a(b(c(c(c(A(x))))))))
c(c(A(x))) → A(x)

The set Q is empty.
We have obtained the following QTRS:

a(x) → x
a(b(x)) → x
a(c(c(x))) → c(c(b(a(c(a(x))))))
A(c(c(x))) → A(c(x))
A(c(c(b(x)))) → A(c(x))
A(c(c(c(c(x))))) → A(c(c(c(b(a(c(a(x))))))))
A(c(c(x))) → A(x)

The set Q is empty.

↳ QTRS
  ↳ QTRS Reverse
  ↳ DependencyPairsProof
    ↳ QDP
      ↳ Narrowing
        ↳ QDP
          ↳ QDPToSRSProof
            ↳ QTRS
              ↳ QTRS Reverse
                ↳ QTRS
                  ↳ DependencyPairsProof
                  ↳ QTRS Reverse
QTRS
                  ↳ QTRS Reverse
  ↳ QTRS Reverse

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

a(x) → x
a(b(x)) → x
a(c(c(x))) → c(c(b(a(c(a(x))))))
A(c(c(x))) → A(c(x))
A(c(c(b(x)))) → A(c(x))
A(c(c(c(c(x))))) → A(c(c(c(b(a(c(a(x))))))))
A(c(c(x))) → A(x)

Q is empty.

We have reversed the following QTRS:
The set of rules R is

a(x) → x
b(a(x)) → x
c(c(a(x))) → a(c(a(b(c(c(x))))))
c(c(A(x))) → c(A(x))
b(c(c(A(x)))) → c(A(x))
c(c(c(c(A(x))))) → a(c(a(b(c(c(c(A(x))))))))
c(c(A(x))) → A(x)

The set Q is empty.
We have obtained the following QTRS:

a(x) → x
a(b(x)) → x
a(c(c(x))) → c(c(b(a(c(a(x))))))
A(c(c(x))) → A(c(x))
A(c(c(b(x)))) → A(c(x))
A(c(c(c(c(x))))) → A(c(c(c(b(a(c(a(x))))))))
A(c(c(x))) → A(x)

The set Q is empty.

↳ QTRS
  ↳ QTRS Reverse
  ↳ DependencyPairsProof
    ↳ QDP
      ↳ Narrowing
        ↳ QDP
          ↳ QDPToSRSProof
            ↳ QTRS
              ↳ QTRS Reverse
                ↳ QTRS
                  ↳ DependencyPairsProof
                  ↳ QTRS Reverse
                  ↳ QTRS Reverse
QTRS
  ↳ QTRS Reverse

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

a(x) → x
a(b(x)) → x
a(c(c(x))) → c(c(b(a(c(a(x))))))
A(c(c(x))) → A(c(x))
A(c(c(b(x)))) → A(c(x))
A(c(c(c(c(x))))) → A(c(c(c(b(a(c(a(x))))))))
A(c(c(x))) → A(x)

Q is empty.

We have reversed the following QTRS:
The set of rules R is

a(x1) → x1
a(b(x1)) → x1
a(c(c(x1))) → c(c(b(a(c(a(x1))))))

The set Q is empty.
We have obtained the following QTRS:

a(x) → x
b(a(x)) → x
c(c(a(x))) → a(c(a(b(c(c(x))))))

The set Q is empty.

↳ QTRS
  ↳ QTRS Reverse
  ↳ DependencyPairsProof
  ↳ QTRS Reverse
QTRS

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

a(x) → x
b(a(x)) → x
c(c(a(x))) → a(c(a(b(c(c(x))))))

Q is empty.