6.42/2.42 YES 6.42/2.47 proof of /export/starexec/sandbox/benchmark/theBenchmark.xml 6.42/2.47 # AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty 6.42/2.47 6.42/2.47 6.42/2.47 Termination w.r.t. Q of the given QTRS could be proven: 6.42/2.47 6.42/2.47 (0) QTRS 6.42/2.47 (1) FlatCCProof [EQUIVALENT, 0 ms] 6.42/2.47 (2) QTRS 6.42/2.47 (3) RootLabelingProof [EQUIVALENT, 0 ms] 6.42/2.47 (4) QTRS 6.42/2.47 (5) QTRSRRRProof [EQUIVALENT, 3 ms] 6.42/2.47 (6) QTRS 6.42/2.47 (7) QTRSRRRProof [EQUIVALENT, 7 ms] 6.42/2.47 (8) QTRS 6.42/2.47 (9) QTRSRRRProof [EQUIVALENT, 3 ms] 6.42/2.47 (10) QTRS 6.42/2.47 (11) RisEmptyProof [EQUIVALENT, 0 ms] 6.42/2.47 (12) YES 6.42/2.47 6.42/2.47 6.42/2.47 ---------------------------------------- 6.42/2.47 6.42/2.47 (0) 6.42/2.47 Obligation: 6.42/2.47 Q restricted rewrite system: 6.42/2.47 The TRS R consists of the following rules: 6.42/2.47 6.42/2.47 a(b(a(x1))) -> b(a(x1)) 6.42/2.47 b(b(b(x1))) -> b(a(b(x1))) 6.42/2.47 a(a(x1)) -> b(b(b(x1))) 6.42/2.47 6.42/2.47 Q is empty. 6.42/2.47 6.42/2.47 ---------------------------------------- 6.42/2.47 6.42/2.47 (1) FlatCCProof (EQUIVALENT) 6.42/2.47 We used flat context closure [ROOTLAB] 6.42/2.47 As Q is empty the flat context closure was sound AND complete. 6.42/2.47 6.42/2.47 ---------------------------------------- 6.42/2.47 6.42/2.47 (2) 6.42/2.47 Obligation: 6.42/2.47 Q restricted rewrite system: 6.42/2.47 The TRS R consists of the following rules: 6.42/2.47 6.42/2.47 b(b(b(x1))) -> b(a(b(x1))) 6.42/2.47 a(a(b(a(x1)))) -> a(b(a(x1))) 6.42/2.47 b(a(b(a(x1)))) -> b(b(a(x1))) 6.42/2.47 a(a(a(x1))) -> a(b(b(b(x1)))) 6.42/2.47 b(a(a(x1))) -> b(b(b(b(x1)))) 6.42/2.47 6.42/2.47 Q is empty. 6.42/2.47 6.42/2.47 ---------------------------------------- 6.42/2.47 6.42/2.47 (3) RootLabelingProof (EQUIVALENT) 6.42/2.47 We used plain root labeling [ROOTLAB] with the following heuristic: 6.42/2.47 LabelAll: All function symbols get labeled 6.42/2.47 6.42/2.47 As Q is empty the root labeling was sound AND complete. 6.42/2.47 6.42/2.47 ---------------------------------------- 6.42/2.47 6.42/2.47 (4) 6.42/2.47 Obligation: 6.42/2.47 Q restricted rewrite system: 6.42/2.47 The TRS R consists of the following rules: 6.42/2.47 6.42/2.47 b_{b_1}(b_{b_1}(b_{b_1}(x1))) -> b_{a_1}(a_{b_1}(b_{b_1}(x1))) 6.42/2.47 b_{b_1}(b_{b_1}(b_{a_1}(x1))) -> b_{a_1}(a_{b_1}(b_{a_1}(x1))) 6.42/2.47 a_{a_1}(a_{b_1}(b_{a_1}(a_{b_1}(x1)))) -> a_{b_1}(b_{a_1}(a_{b_1}(x1))) 6.42/2.47 a_{a_1}(a_{b_1}(b_{a_1}(a_{a_1}(x1)))) -> a_{b_1}(b_{a_1}(a_{a_1}(x1))) 6.42/2.47 b_{a_1}(a_{b_1}(b_{a_1}(a_{b_1}(x1)))) -> b_{b_1}(b_{a_1}(a_{b_1}(x1))) 6.42/2.47 b_{a_1}(a_{b_1}(b_{a_1}(a_{a_1}(x1)))) -> b_{b_1}(b_{a_1}(a_{a_1}(x1))) 6.42/2.47 a_{a_1}(a_{a_1}(a_{b_1}(x1))) -> a_{b_1}(b_{b_1}(b_{b_1}(b_{b_1}(x1)))) 6.42/2.47 a_{a_1}(a_{a_1}(a_{a_1}(x1))) -> a_{b_1}(b_{b_1}(b_{b_1}(b_{a_1}(x1)))) 6.42/2.47 b_{a_1}(a_{a_1}(a_{b_1}(x1))) -> b_{b_1}(b_{b_1}(b_{b_1}(b_{b_1}(x1)))) 6.42/2.47 b_{a_1}(a_{a_1}(a_{a_1}(x1))) -> b_{b_1}(b_{b_1}(b_{b_1}(b_{a_1}(x1)))) 6.42/2.47 6.42/2.47 Q is empty. 6.42/2.47 6.42/2.47 ---------------------------------------- 6.42/2.47 6.42/2.47 (5) QTRSRRRProof (EQUIVALENT) 6.42/2.47 Used ordering: 6.42/2.47 Polynomial interpretation [POLO]: 6.42/2.47 6.42/2.47 POL(a_{a_1}(x_1)) = 1 + x_1 6.42/2.47 POL(a_{b_1}(x_1)) = x_1 6.42/2.47 POL(b_{a_1}(x_1)) = x_1 6.42/2.47 POL(b_{b_1}(x_1)) = x_1 6.42/2.47 With this ordering the following rules can be removed by the rule removal processor [LPAR04] because they are oriented strictly: 6.42/2.47 6.42/2.47 a_{a_1}(a_{b_1}(b_{a_1}(a_{b_1}(x1)))) -> a_{b_1}(b_{a_1}(a_{b_1}(x1))) 6.42/2.47 a_{a_1}(a_{b_1}(b_{a_1}(a_{a_1}(x1)))) -> a_{b_1}(b_{a_1}(a_{a_1}(x1))) 6.42/2.47 a_{a_1}(a_{a_1}(a_{b_1}(x1))) -> a_{b_1}(b_{b_1}(b_{b_1}(b_{b_1}(x1)))) 6.42/2.47 a_{a_1}(a_{a_1}(a_{a_1}(x1))) -> a_{b_1}(b_{b_1}(b_{b_1}(b_{a_1}(x1)))) 6.42/2.47 b_{a_1}(a_{a_1}(a_{b_1}(x1))) -> b_{b_1}(b_{b_1}(b_{b_1}(b_{b_1}(x1)))) 6.42/2.47 b_{a_1}(a_{a_1}(a_{a_1}(x1))) -> b_{b_1}(b_{b_1}(b_{b_1}(b_{a_1}(x1)))) 6.42/2.47 6.42/2.47 6.42/2.47 6.42/2.47 6.42/2.47 ---------------------------------------- 6.42/2.47 6.42/2.47 (6) 6.42/2.47 Obligation: 6.42/2.47 Q restricted rewrite system: 6.42/2.47 The TRS R consists of the following rules: 6.42/2.47 6.42/2.47 b_{b_1}(b_{b_1}(b_{b_1}(x1))) -> b_{a_1}(a_{b_1}(b_{b_1}(x1))) 6.42/2.47 b_{b_1}(b_{b_1}(b_{a_1}(x1))) -> b_{a_1}(a_{b_1}(b_{a_1}(x1))) 6.42/2.47 b_{a_1}(a_{b_1}(b_{a_1}(a_{b_1}(x1)))) -> b_{b_1}(b_{a_1}(a_{b_1}(x1))) 6.42/2.47 b_{a_1}(a_{b_1}(b_{a_1}(a_{a_1}(x1)))) -> b_{b_1}(b_{a_1}(a_{a_1}(x1))) 6.42/2.47 6.42/2.47 Q is empty. 6.42/2.47 6.42/2.47 ---------------------------------------- 6.42/2.47 6.42/2.47 (7) QTRSRRRProof (EQUIVALENT) 6.42/2.47 Used ordering: 6.42/2.47 Polynomial interpretation [POLO]: 6.42/2.47 6.42/2.47 POL(a_{a_1}(x_1)) = x_1 6.42/2.47 POL(a_{b_1}(x_1)) = 1 + x_1 6.42/2.47 POL(b_{a_1}(x_1)) = x_1 6.42/2.47 POL(b_{b_1}(x_1)) = 1 + x_1 6.42/2.47 With this ordering the following rules can be removed by the rule removal processor [LPAR04] because they are oriented strictly: 6.42/2.47 6.42/2.47 b_{b_1}(b_{b_1}(b_{b_1}(x1))) -> b_{a_1}(a_{b_1}(b_{b_1}(x1))) 6.42/2.47 b_{b_1}(b_{b_1}(b_{a_1}(x1))) -> b_{a_1}(a_{b_1}(b_{a_1}(x1))) 6.42/2.47 6.42/2.47 6.42/2.47 6.42/2.47 6.42/2.47 ---------------------------------------- 6.42/2.47 6.42/2.47 (8) 6.42/2.47 Obligation: 6.42/2.47 Q restricted rewrite system: 6.42/2.47 The TRS R consists of the following rules: 6.42/2.47 6.42/2.47 b_{a_1}(a_{b_1}(b_{a_1}(a_{b_1}(x1)))) -> b_{b_1}(b_{a_1}(a_{b_1}(x1))) 6.42/2.47 b_{a_1}(a_{b_1}(b_{a_1}(a_{a_1}(x1)))) -> b_{b_1}(b_{a_1}(a_{a_1}(x1))) 6.42/2.47 6.42/2.47 Q is empty. 6.42/2.47 6.42/2.47 ---------------------------------------- 6.42/2.47 6.42/2.47 (9) QTRSRRRProof (EQUIVALENT) 6.42/2.47 Used ordering: 6.42/2.47 Polynomial interpretation [POLO]: 6.42/2.47 6.42/2.47 POL(a_{a_1}(x_1)) = x_1 6.42/2.47 POL(a_{b_1}(x_1)) = 1 + x_1 6.42/2.47 POL(b_{a_1}(x_1)) = x_1 6.42/2.47 POL(b_{b_1}(x_1)) = x_1 6.42/2.47 With this ordering the following rules can be removed by the rule removal processor [LPAR04] because they are oriented strictly: 6.42/2.47 6.42/2.47 b_{a_1}(a_{b_1}(b_{a_1}(a_{b_1}(x1)))) -> b_{b_1}(b_{a_1}(a_{b_1}(x1))) 6.42/2.47 b_{a_1}(a_{b_1}(b_{a_1}(a_{a_1}(x1)))) -> b_{b_1}(b_{a_1}(a_{a_1}(x1))) 6.42/2.47 6.42/2.47 6.42/2.47 6.42/2.47 6.42/2.47 ---------------------------------------- 6.42/2.47 6.42/2.47 (10) 6.42/2.47 Obligation: 6.42/2.47 Q restricted rewrite system: 6.42/2.47 R is empty. 6.42/2.47 Q is empty. 6.42/2.47 6.42/2.47 ---------------------------------------- 6.42/2.47 6.42/2.47 (11) RisEmptyProof (EQUIVALENT) 6.42/2.47 The TRS R is empty. Hence, termination is trivially proven. 6.42/2.47 ---------------------------------------- 6.42/2.47 6.42/2.47 (12) 6.42/2.47 YES 6.72/2.54 EOF