5.16/2.14 YES 5.35/2.18 proof of /export/starexec/sandbox2/benchmark/theBenchmark.xml 5.35/2.18 # AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty 5.35/2.18 5.35/2.18 5.35/2.18 Termination w.r.t. Q of the given QTRS could be proven: 5.35/2.18 5.35/2.18 (0) QTRS 5.35/2.18 (1) QTRS Reverse [EQUIVALENT, 0 ms] 5.35/2.18 (2) QTRS 5.35/2.18 (3) QTRSRRRProof [EQUIVALENT, 13 ms] 5.35/2.18 (4) QTRS 5.35/2.18 (5) RisEmptyProof [EQUIVALENT, 0 ms] 5.35/2.18 (6) YES 5.35/2.18 5.35/2.18 5.35/2.18 ---------------------------------------- 5.35/2.18 5.35/2.18 (0) 5.35/2.18 Obligation: 5.35/2.18 Q restricted rewrite system: 5.35/2.18 The TRS R consists of the following rules: 5.35/2.18 5.35/2.18 a(a(x1)) -> b(b(b(x1))) 5.35/2.18 b(b(x1)) -> c(c(c(x1))) 5.35/2.18 c(c(c(c(x1)))) -> a(b(x1)) 5.35/2.18 5.35/2.18 Q is empty. 5.35/2.18 5.35/2.18 ---------------------------------------- 5.35/2.18 5.35/2.18 (1) QTRS Reverse (EQUIVALENT) 5.35/2.18 We applied the QTRS Reverse Processor [REVERSE]. 5.35/2.18 ---------------------------------------- 5.35/2.18 5.35/2.18 (2) 5.35/2.18 Obligation: 5.35/2.18 Q restricted rewrite system: 5.35/2.18 The TRS R consists of the following rules: 5.35/2.18 5.35/2.18 a(a(x1)) -> b(b(b(x1))) 5.35/2.18 b(b(x1)) -> c(c(c(x1))) 5.35/2.18 c(c(c(c(x1)))) -> b(a(x1)) 5.35/2.18 5.35/2.18 Q is empty. 5.35/2.18 5.35/2.18 ---------------------------------------- 5.35/2.18 5.35/2.18 (3) QTRSRRRProof (EQUIVALENT) 5.35/2.18 Used ordering: 5.35/2.18 Polynomial interpretation [POLO]: 5.35/2.18 5.35/2.18 POL(a(x_1)) = 26 + x_1 5.35/2.18 POL(b(x_1)) = 17 + x_1 5.35/2.18 POL(c(x_1)) = 11 + x_1 5.35/2.18 With this ordering the following rules can be removed by the rule removal processor [LPAR04] because they are oriented strictly: 5.35/2.18 5.35/2.18 a(a(x1)) -> b(b(b(x1))) 5.35/2.18 b(b(x1)) -> c(c(c(x1))) 5.35/2.18 c(c(c(c(x1)))) -> b(a(x1)) 5.35/2.18 5.35/2.18 5.35/2.18 5.35/2.18 5.35/2.18 ---------------------------------------- 5.35/2.18 5.35/2.18 (4) 5.35/2.18 Obligation: 5.35/2.18 Q restricted rewrite system: 5.35/2.18 R is empty. 5.35/2.18 Q is empty. 5.35/2.18 5.35/2.18 ---------------------------------------- 5.35/2.18 5.35/2.18 (5) RisEmptyProof (EQUIVALENT) 5.35/2.18 The TRS R is empty. Hence, termination is trivially proven. 5.35/2.18 ---------------------------------------- 5.35/2.18 5.35/2.18 (6) 5.35/2.18 YES 5.35/2.23 EOF