6.71/2.54 YES 6.71/2.57 proof of /export/starexec/sandbox/benchmark/theBenchmark.xml 6.71/2.57 # AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty 6.71/2.57 6.71/2.57 6.71/2.57 Termination w.r.t. Q of the given QTRS could be proven: 6.71/2.57 6.71/2.57 (0) QTRS 6.71/2.57 (1) QTRS Reverse [EQUIVALENT, 0 ms] 6.71/2.57 (2) QTRS 6.71/2.57 (3) FlatCCProof [EQUIVALENT, 0 ms] 6.71/2.57 (4) QTRS 6.71/2.57 (5) RootLabelingProof [EQUIVALENT, 0 ms] 6.71/2.57 (6) QTRS 6.71/2.57 (7) QTRSRRRProof [EQUIVALENT, 3 ms] 6.71/2.57 (8) QTRS 6.71/2.57 (9) QTRSRRRProof [EQUIVALENT, 2 ms] 6.71/2.57 (10) QTRS 6.71/2.57 (11) RisEmptyProof [EQUIVALENT, 0 ms] 6.71/2.57 (12) YES 6.71/2.57 6.71/2.57 6.71/2.57 ---------------------------------------- 6.71/2.57 6.71/2.57 (0) 6.71/2.57 Obligation: 6.71/2.57 Q restricted rewrite system: 6.71/2.57 The TRS R consists of the following rules: 6.71/2.57 6.71/2.57 b(b(b(x1))) -> a(b(x1)) 6.71/2.57 a(a(x1)) -> a(b(a(x1))) 6.71/2.57 a(a(a(x1))) -> a(b(b(x1))) 6.71/2.57 6.71/2.57 Q is empty. 6.71/2.57 6.71/2.57 ---------------------------------------- 6.71/2.57 6.71/2.57 (1) QTRS Reverse (EQUIVALENT) 6.71/2.57 We applied the QTRS Reverse Processor [REVERSE]. 6.71/2.57 ---------------------------------------- 6.71/2.57 6.71/2.57 (2) 6.71/2.57 Obligation: 6.71/2.57 Q restricted rewrite system: 6.71/2.57 The TRS R consists of the following rules: 6.71/2.57 6.71/2.57 b(b(b(x1))) -> b(a(x1)) 6.71/2.57 a(a(x1)) -> a(b(a(x1))) 6.71/2.57 a(a(a(x1))) -> b(b(a(x1))) 6.71/2.57 6.71/2.57 Q is empty. 6.71/2.57 6.71/2.57 ---------------------------------------- 6.71/2.57 6.71/2.57 (3) FlatCCProof (EQUIVALENT) 6.71/2.57 We used flat context closure [ROOTLAB] 6.71/2.57 As Q is empty the flat context closure was sound AND complete. 6.71/2.57 6.71/2.57 ---------------------------------------- 6.71/2.57 6.71/2.57 (4) 6.71/2.57 Obligation: 6.71/2.57 Q restricted rewrite system: 6.71/2.57 The TRS R consists of the following rules: 6.71/2.57 6.71/2.57 b(b(b(x1))) -> b(a(x1)) 6.71/2.57 a(a(x1)) -> a(b(a(x1))) 6.71/2.57 b(a(a(a(x1)))) -> b(b(b(a(x1)))) 6.71/2.57 a(a(a(a(x1)))) -> a(b(b(a(x1)))) 6.71/2.57 6.71/2.57 Q is empty. 6.71/2.57 6.71/2.57 ---------------------------------------- 6.71/2.57 6.71/2.57 (5) RootLabelingProof (EQUIVALENT) 6.71/2.57 We used plain root labeling [ROOTLAB] with the following heuristic: 6.71/2.57 LabelAll: All function symbols get labeled 6.71/2.57 6.71/2.57 As Q is empty the root labeling was sound AND complete. 6.71/2.57 6.71/2.57 ---------------------------------------- 6.71/2.57 6.71/2.57 (6) 6.71/2.57 Obligation: 6.71/2.57 Q restricted rewrite system: 6.71/2.57 The TRS R consists of the following rules: 6.71/2.57 6.71/2.57 b_{b_1}(b_{b_1}(b_{b_1}(x1))) -> b_{a_1}(a_{b_1}(x1)) 6.71/2.57 b_{b_1}(b_{b_1}(b_{a_1}(x1))) -> b_{a_1}(a_{a_1}(x1)) 6.71/2.57 a_{a_1}(a_{b_1}(x1)) -> a_{b_1}(b_{a_1}(a_{b_1}(x1))) 6.71/2.57 a_{a_1}(a_{a_1}(x1)) -> a_{b_1}(b_{a_1}(a_{a_1}(x1))) 6.71/2.57 b_{a_1}(a_{a_1}(a_{a_1}(a_{b_1}(x1)))) -> b_{b_1}(b_{b_1}(b_{a_1}(a_{b_1}(x1)))) 6.71/2.57 b_{a_1}(a_{a_1}(a_{a_1}(a_{a_1}(x1)))) -> b_{b_1}(b_{b_1}(b_{a_1}(a_{a_1}(x1)))) 6.71/2.57 a_{a_1}(a_{a_1}(a_{a_1}(a_{b_1}(x1)))) -> a_{b_1}(b_{b_1}(b_{a_1}(a_{b_1}(x1)))) 6.71/2.57 a_{a_1}(a_{a_1}(a_{a_1}(a_{a_1}(x1)))) -> a_{b_1}(b_{b_1}(b_{a_1}(a_{a_1}(x1)))) 6.71/2.57 6.71/2.57 Q is empty. 6.71/2.57 6.71/2.57 ---------------------------------------- 6.71/2.57 6.71/2.57 (7) QTRSRRRProof (EQUIVALENT) 6.71/2.57 Used ordering: 6.71/2.57 Polynomial interpretation [POLO]: 6.71/2.57 6.71/2.57 POL(a_{a_1}(x_1)) = 1 + x_1 6.71/2.57 POL(a_{b_1}(x_1)) = x_1 6.71/2.57 POL(b_{a_1}(x_1)) = x_1 6.71/2.57 POL(b_{b_1}(x_1)) = 1 + x_1 6.71/2.57 With this ordering the following rules can be removed by the rule removal processor [LPAR04] because they are oriented strictly: 6.71/2.57 6.71/2.57 b_{b_1}(b_{b_1}(b_{b_1}(x1))) -> b_{a_1}(a_{b_1}(x1)) 6.71/2.57 b_{b_1}(b_{b_1}(b_{a_1}(x1))) -> b_{a_1}(a_{a_1}(x1)) 6.71/2.57 a_{a_1}(a_{b_1}(x1)) -> a_{b_1}(b_{a_1}(a_{b_1}(x1))) 6.71/2.57 a_{a_1}(a_{a_1}(x1)) -> a_{b_1}(b_{a_1}(a_{a_1}(x1))) 6.71/2.57 a_{a_1}(a_{a_1}(a_{a_1}(a_{b_1}(x1)))) -> a_{b_1}(b_{b_1}(b_{a_1}(a_{b_1}(x1)))) 6.71/2.57 a_{a_1}(a_{a_1}(a_{a_1}(a_{a_1}(x1)))) -> a_{b_1}(b_{b_1}(b_{a_1}(a_{a_1}(x1)))) 6.71/2.57 6.71/2.57 6.71/2.57 6.71/2.57 6.71/2.57 ---------------------------------------- 6.71/2.57 6.71/2.57 (8) 6.71/2.57 Obligation: 6.71/2.57 Q restricted rewrite system: 6.71/2.57 The TRS R consists of the following rules: 6.71/2.57 6.71/2.57 b_{a_1}(a_{a_1}(a_{a_1}(a_{b_1}(x1)))) -> b_{b_1}(b_{b_1}(b_{a_1}(a_{b_1}(x1)))) 6.71/2.57 b_{a_1}(a_{a_1}(a_{a_1}(a_{a_1}(x1)))) -> b_{b_1}(b_{b_1}(b_{a_1}(a_{a_1}(x1)))) 6.71/2.57 6.71/2.57 Q is empty. 6.71/2.57 6.71/2.57 ---------------------------------------- 6.71/2.57 6.71/2.57 (9) QTRSRRRProof (EQUIVALENT) 6.71/2.57 Used ordering: 6.71/2.57 Polynomial interpretation [POLO]: 6.71/2.57 6.71/2.57 POL(a_{a_1}(x_1)) = 1 + x_1 6.71/2.57 POL(a_{b_1}(x_1)) = x_1 6.71/2.57 POL(b_{a_1}(x_1)) = x_1 6.71/2.57 POL(b_{b_1}(x_1)) = x_1 6.71/2.57 With this ordering the following rules can be removed by the rule removal processor [LPAR04] because they are oriented strictly: 6.71/2.57 6.71/2.57 b_{a_1}(a_{a_1}(a_{a_1}(a_{b_1}(x1)))) -> b_{b_1}(b_{b_1}(b_{a_1}(a_{b_1}(x1)))) 6.71/2.57 b_{a_1}(a_{a_1}(a_{a_1}(a_{a_1}(x1)))) -> b_{b_1}(b_{b_1}(b_{a_1}(a_{a_1}(x1)))) 6.71/2.57 6.71/2.57 6.71/2.57 6.71/2.57 6.71/2.57 ---------------------------------------- 6.71/2.57 6.71/2.57 (10) 6.71/2.57 Obligation: 6.71/2.57 Q restricted rewrite system: 6.71/2.57 R is empty. 6.71/2.57 Q is empty. 6.71/2.57 6.71/2.57 ---------------------------------------- 6.71/2.57 6.71/2.57 (11) RisEmptyProof (EQUIVALENT) 6.71/2.57 The TRS R is empty. Hence, termination is trivially proven. 6.71/2.57 ---------------------------------------- 6.71/2.57 6.71/2.57 (12) 6.71/2.57 YES 6.92/2.63 EOF