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

Q is empty.


QTRS
  ↳ DependencyPairsProof
  ↳ QTRS Reverse
  ↳ QTRS Reverse

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

a(a(x1)) → x1
a(a(b(x1))) → b(a(b(a(a(x1)))))
b(b(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:

A(a(b(x1))) → B(a(a(x1)))
A(a(b(x1))) → B(a(b(a(a(x1)))))
A(a(b(x1))) → A(b(a(a(x1))))
A(a(b(x1))) → A(x1)
A(a(b(x1))) → A(a(x1))

The TRS R consists of the following rules:

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

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

↳ QTRS
  ↳ DependencyPairsProof
QDP
      ↳ DependencyGraphProof
  ↳ QTRS Reverse
  ↳ QTRS Reverse

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

A(a(b(x1))) → B(a(a(x1)))
A(a(b(x1))) → B(a(b(a(a(x1)))))
A(a(b(x1))) → A(b(a(a(x1))))
A(a(b(x1))) → A(x1)
A(a(b(x1))) → A(a(x1))

The TRS R consists of the following rules:

a(a(x1)) → x1
a(a(b(x1))) → b(a(b(a(a(x1)))))
b(b(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 1 SCC with 2 less nodes.

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

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

A(a(b(x1))) → A(b(a(a(x1))))
A(a(b(x1))) → A(x1)
A(a(b(x1))) → A(a(x1))

The TRS R consists of the following rules:

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

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

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



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

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

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

The TRS R consists of the following rules:

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

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

A(a(b(b(x0)))) → A(x0)



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

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

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

The TRS R consists of the following rules:

a(a(x1)) → x1
a(a(b(x1))) → b(a(b(a(a(x1)))))
b(b(x1)) → 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
  ↳ DependencyPairsProof
    ↳ QDP
      ↳ DependencyGraphProof
        ↳ QDP
          ↳ Narrowing
            ↳ QDP
              ↳ Narrowing
                ↳ QDP
                  ↳ QDPToSRSProof
QTRS
                      ↳ QTRS Reverse
  ↳ QTRS Reverse
  ↳ QTRS Reverse

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

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

Q is empty.

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

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

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

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

The set Q is empty.

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

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

a(a(x)) → x
b(a(a(x))) → a(a(b(a(b(x)))))
b(b(x)) → x
b(a(b(a(A(x))))) → a(a(b(a(b(a(b(A(x))))))))
b(b(a(A(x)))) → a(a(b(a(b(b(A(x)))))))
b(a(A(x))) → A(x)
b(a(A(x))) → a(A(x))
b(b(a(A(x)))) → A(x)
a(b(a(A(x)))) → a(b(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:

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

The TRS R consists of the following rules:

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

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

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

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

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

The TRS R consists of the following rules:

a(a(x)) → x
b(a(a(x))) → a(a(b(a(b(x)))))
b(b(x)) → x
b(a(b(a(A(x))))) → a(a(b(a(b(a(b(A(x))))))))
b(b(a(A(x)))) → a(a(b(a(b(b(A(x)))))))
b(a(A(x))) → A(x)
b(a(A(x))) → a(A(x))
b(b(a(A(x)))) → A(x)
a(b(a(A(x)))) → a(b(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 17 less nodes.

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

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

B(a(a(x))) → B(a(b(x)))
B(b(a(A(x)))) → B(a(b(b(A(x)))))
B(a(a(x))) → B(x)

The TRS R consists of the following rules:

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

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

B(b(a(A(y0)))) → B(a(A(y0)))



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

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

B(b(a(A(y0)))) → B(a(A(y0)))
B(a(a(x))) → B(a(b(x)))
B(a(a(x))) → B(x)

The TRS R consists of the following rules:

a(a(x)) → x
b(a(a(x))) → a(a(b(a(b(x)))))
b(b(x)) → x
b(a(b(a(A(x))))) → a(a(b(a(b(a(b(A(x))))))))
b(b(a(A(x)))) → a(a(b(a(b(b(A(x)))))))
b(a(A(x))) → A(x)
b(a(A(x))) → a(A(x))
b(b(a(A(x)))) → A(x)
a(b(a(A(x)))) → a(b(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
  ↳ DependencyPairsProof
    ↳ QDP
      ↳ DependencyGraphProof
        ↳ QDP
          ↳ Narrowing
            ↳ QDP
              ↳ Narrowing
                ↳ QDP
                  ↳ QDPToSRSProof
                    ↳ QTRS
                      ↳ QTRS Reverse
                        ↳ QTRS
                          ↳ DependencyPairsProof
                            ↳ QDP
                              ↳ DependencyGraphProof
                                ↳ QDP
                                  ↳ Narrowing
                                    ↳ QDP
                                      ↳ DependencyGraphProof
QDP
                                          ↳ Narrowing
                          ↳ QTRS Reverse
                          ↳ QTRS Reverse
  ↳ QTRS Reverse
  ↳ QTRS Reverse

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

B(a(a(x))) → B(a(b(x)))
B(a(a(x))) → B(x)

The TRS R consists of the following rules:

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

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

B(a(a(a(A(x0))))) → B(a(a(A(x0))))
B(a(a(b(a(A(x0)))))) → B(a(A(x0)))
B(a(a(a(A(x0))))) → B(a(b(A(x0))))
B(a(a(a(a(x0))))) → B(a(a(a(b(a(b(x0)))))))
B(a(a(b(x0)))) → B(a(x0))
B(a(a(b(a(A(x0)))))) → B(a(a(a(b(a(b(b(A(x0)))))))))
B(a(a(a(b(a(A(x0))))))) → B(a(a(a(b(a(b(a(b(A(x0))))))))))
B(a(a(a(A(x0))))) → B(a(A(x0)))



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

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

B(a(a(a(A(x0))))) → B(a(a(A(x0))))
B(a(a(b(a(A(x0)))))) → B(a(A(x0)))
B(a(a(b(x0)))) → B(a(x0))
B(a(a(a(a(x0))))) → B(a(a(a(b(a(b(x0)))))))
B(a(a(a(A(x0))))) → B(a(b(A(x0))))
B(a(a(b(a(A(x0)))))) → B(a(a(a(b(a(b(b(A(x0)))))))))
B(a(a(x))) → B(x)
B(a(a(a(b(a(A(x0))))))) → B(a(a(a(b(a(b(a(b(A(x0))))))))))
B(a(a(a(A(x0))))) → B(a(A(x0)))

The TRS R consists of the following rules:

a(a(x)) → x
b(a(a(x))) → a(a(b(a(b(x)))))
b(b(x)) → x
b(a(b(a(A(x))))) → a(a(b(a(b(a(b(A(x))))))))
b(b(a(A(x)))) → a(a(b(a(b(b(A(x)))))))
b(a(A(x))) → A(x)
b(a(A(x))) → a(A(x))
b(b(a(A(x)))) → A(x)
a(b(a(A(x)))) → a(b(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 3 less nodes.

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

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

B(a(a(a(A(x0))))) → B(a(a(A(x0))))
B(a(a(b(x0)))) → B(a(x0))
B(a(a(a(a(x0))))) → B(a(a(a(b(a(b(x0)))))))
B(a(a(b(a(A(x0)))))) → B(a(a(a(b(a(b(b(A(x0)))))))))
B(a(a(x))) → B(x)
B(a(a(a(b(a(A(x0))))))) → B(a(a(a(b(a(b(a(b(A(x0))))))))))

The TRS R consists of the following rules:

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

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

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

The set Q is empty.

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

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

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

Q is empty.

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

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

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

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

The set Q is empty.

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

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

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

Q is empty.

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

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

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

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

The set Q is empty.

↳ QTRS
  ↳ DependencyPairsProof
  ↳ QTRS Reverse
QTRS
  ↳ QTRS Reverse

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

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

Q is empty.

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

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

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

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

The set Q is empty.

↳ QTRS
  ↳ DependencyPairsProof
  ↳ QTRS Reverse
  ↳ QTRS Reverse
QTRS

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

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

Q is empty.