/export/starexec/sandbox/solver/bin/starexec_run_standard /export/starexec/sandbox/benchmark/theBenchmark.xml /export/starexec/sandbox/output/output_files


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YES
proof of /export/starexec/sandbox/benchmark/theBenchmark.xml
# AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty


Termination w.r.t. Q of the given QTRS could be proven:

(0) QTRS
(1) QTRS Reverse [EQUIVALENT, 0 ms]
(2) QTRS
(3) Strip Symbols Proof [SOUND, 0 ms]
(4) QTRS
(5) RFCMatchBoundsTRSProof [EQUIVALENT, 1 ms]
(6) YES


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(0)
Obligation:
Q restricted rewrite system:
The TRS R consists of the following rules:

   a(b(b(c(a(a(a(a(x1)))))))) -> a(a(a(a(a(b(b(c(a(a(b(b(c(x1)))))))))))))

Q is empty.

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(1) QTRS Reverse (EQUIVALENT)
We applied the QTRS Reverse Processor [REVERSE].
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(2)
Obligation:
Q restricted rewrite system:
The TRS R consists of the following rules:

   a(a(a(a(c(b(b(a(x1)))))))) -> c(b(b(a(a(c(b(b(a(a(a(a(a(x1)))))))))))))

Q is empty.

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(3) Strip Symbols Proof (SOUND)
We were given the following TRS:

   a(a(a(a(c(b(b(a(x1)))))))) -> c(b(b(a(a(c(b(b(a(a(a(a(a(x1)))))))))))))

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

   a(a(a(a(c(b(b(x))))))) -> c(b(b(a(a(c(b(b(a(a(a(a(x))))))))))))

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(4)
Obligation:
Q restricted rewrite system:
The TRS R consists of the following rules:

   a(a(a(a(c(b(b(x))))))) -> c(b(b(a(a(c(b(b(a(a(a(a(x))))))))))))

Q is empty.

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(5) RFCMatchBoundsTRSProof (EQUIVALENT)
Termination of the TRS R could be shown with a Match Bound [MATCHBOUNDS1,MATCHBOUNDS2] of 1. This implies Q-termination of R.
The following rules were used to construct the certificate:

   a(a(a(a(c(b(b(x))))))) -> c(b(b(a(a(c(b(b(a(a(a(a(x))))))))))))

The certificate found is represented by the following graph.
The certificate consists of the following enumerated nodes:
321, 322, 323, 324, 325, 326, 327, 328, 329, 330, 331, 332, 333, 334, 335, 336, 337, 338, 339, 340, 341, 342, 343, 344

Node 321 is start node and node 322 is final node.

Those nodes are connected through the following edges:

* 321 to 323 labelled c_1(0)* 322 to 322 labelled #_1(0)* 323 to 324 labelled b_1(0)* 324 to 325 labelled b_1(0)* 325 to 326 labelled a_1(0)* 326 to 327 labelled a_1(0)* 327 to 328 labelled c_1(0)* 328 to 329 labelled b_1(0)* 329 to 330 labelled b_1(0)* 330 to 331 labelled a_1(0)* 330 to 334 labelled c_1(1)* 331 to 332 labelled a_1(0)* 331 to 334 labelled c_1(1)* 332 to 333 labelled a_1(0)* 332 to 334 labelled c_1(1)* 333 to 322 labelled a_1(0)* 333 to 334 labelled c_1(1)* 334 to 335 labelled b_1(1)* 335 to 336 labelled b_1(1)* 336 to 337 labelled a_1(1)* 337 to 338 labelled a_1(1)* 338 to 339 labelled c_1(1)* 339 to 340 labelled b_1(1)* 340 to 341 labelled b_1(1)* 341 to 342 labelled a_1(1)* 341 to 334 labelled c_1(1)* 342 to 343 labelled a_1(1)* 342 to 334 labelled c_1(1)* 343 to 344 labelled a_1(1)* 343 to 334 labelled c_1(1)* 344 to 322 labelled a_1(1)* 344 to 334 labelled c_1(1)


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(6)
YES