Termination w.r.t. Q of the following Term Rewriting System could be proven:

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

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

Q is empty.


QTRS
  ↳ QTRS Reverse
  ↳ Strip Symbols Proof
  ↳ DependencyPairsProof
  ↳ QTRS Reverse

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

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

Q is empty.

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

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

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

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

The set Q is empty.

↳ QTRS
  ↳ QTRS Reverse
QTRS
  ↳ Strip Symbols Proof
  ↳ DependencyPairsProof
  ↳ QTRS Reverse

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

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

Q is empty.

We were given the following TRS:

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

By stripping symbols from the only rule of the system, we obtained the following TRS:

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


↳ QTRS
  ↳ QTRS Reverse
  ↳ Strip Symbols Proof
QTRS
  ↳ DependencyPairsProof
  ↳ QTRS Reverse

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

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

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

The TRS R consists of the following rules:

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

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

↳ QTRS
  ↳ QTRS Reverse
  ↳ Strip Symbols Proof
  ↳ DependencyPairsProof
QDP
      ↳ DependencyGraphProof
  ↳ QTRS Reverse

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

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

The TRS R consists of the following rules:

b(b(b(a(b(a(b(b(a(b(x1)))))))))) → b(b(a(b(a(b(b(b(a(b(a(b(b(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 6 less nodes.

↳ QTRS
  ↳ QTRS Reverse
  ↳ Strip Symbols Proof
  ↳ DependencyPairsProof
    ↳ QDP
      ↳ DependencyGraphProof
QDP
  ↳ QTRS Reverse

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

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

The TRS R consists of the following rules:

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

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

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

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

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

The set Q is empty.

↳ QTRS
  ↳ QTRS Reverse
  ↳ Strip Symbols Proof
  ↳ DependencyPairsProof
  ↳ QTRS Reverse
QTRS
      ↳ Strip Symbols Proof

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

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

Q is empty.

We were given the following TRS:

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

By stripping symbols from the only rule of the system, we obtained the following TRS:

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


↳ QTRS
  ↳ QTRS Reverse
  ↳ Strip Symbols Proof
  ↳ DependencyPairsProof
  ↳ QTRS Reverse
    ↳ QTRS
      ↳ Strip Symbols Proof
QTRS
          ↳ RFCMatchBoundsTRSProof

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

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

Q is empty.

Termination of the TRS R could be shown with a Match Bound [6,7] of 2. This implies Q-termination of R.
The following rules were used to construct the certificate:

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

The certificate found is represented by the following graph.

The certificate consists of the following enumerated nodes:

450, 451, 462, 461, 459, 460, 457, 458, 456, 455, 453, 454, 452, 473, 472, 470, 471, 468, 469, 467, 466, 464, 465, 463, 484, 483, 481, 482, 479, 480, 478, 477, 475, 476, 474, 495, 494, 492, 493, 490, 491, 489, 488, 486, 487, 485

Node 450 is start node and node 451 is final node.

Those nodes are connect through the following edges: