6.33/2.37 YES 6.53/2.44 proof of /export/starexec/sandbox/benchmark/theBenchmark.xml 6.53/2.44 # AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty 6.53/2.44 6.53/2.44 6.53/2.44 Termination of the given RelTRS could be proven: 6.53/2.44 6.53/2.44 (0) RelTRS 6.53/2.44 (1) RelTRS Reverse [EQUIVALENT, 0 ms] 6.53/2.44 (2) RelTRS 6.53/2.44 (3) FlatCCProof [EQUIVALENT, 0 ms] 6.53/2.44 (4) RelTRS 6.53/2.44 (5) RootLabelingProof [EQUIVALENT, 0 ms] 6.53/2.44 (6) RelTRS 6.53/2.44 (7) RelTRSRRRProof [EQUIVALENT, 81 ms] 6.53/2.44 (8) RelTRS 6.53/2.44 (9) RelTRSRRRProof [EQUIVALENT, 7 ms] 6.53/2.44 (10) RelTRS 6.53/2.44 (11) RIsEmptyProof [EQUIVALENT, 0 ms] 6.53/2.44 (12) YES 6.53/2.44 6.53/2.44 6.53/2.44 ---------------------------------------- 6.53/2.44 6.53/2.44 (0) 6.53/2.44 Obligation: 6.53/2.44 Relative term rewrite system: 6.53/2.44 The relative TRS consists of the following R rules: 6.53/2.44 6.53/2.44 c(c(a(x1))) -> c(c(b(x1))) 6.53/2.44 b(b(c(x1))) -> a(a(b(x1))) 6.53/2.44 6.53/2.44 The relative TRS consists of the following S rules: 6.53/2.44 6.53/2.44 b(a(b(x1))) -> a(c(b(x1))) 6.53/2.44 c(a(a(x1))) -> b(a(b(x1))) 6.53/2.44 c(c(c(x1))) -> c(a(c(x1))) 6.53/2.44 6.53/2.44 6.53/2.44 ---------------------------------------- 6.53/2.44 6.53/2.44 (1) RelTRS Reverse (EQUIVALENT) 6.53/2.44 We have reversed the following relative TRS [REVERSE]: 6.53/2.44 The set of rules R is 6.53/2.44 c(c(a(x1))) -> c(c(b(x1))) 6.53/2.44 b(b(c(x1))) -> a(a(b(x1))) 6.53/2.44 6.53/2.44 The set of rules S is 6.53/2.44 b(a(b(x1))) -> a(c(b(x1))) 6.53/2.44 c(a(a(x1))) -> b(a(b(x1))) 6.53/2.44 c(c(c(x1))) -> c(a(c(x1))) 6.53/2.44 6.53/2.44 We have obtained the following relative TRS: 6.53/2.44 The set of rules R is 6.53/2.44 a(c(c(x1))) -> b(c(c(x1))) 6.53/2.44 c(b(b(x1))) -> b(a(a(x1))) 6.53/2.44 6.53/2.44 The set of rules S is 6.53/2.44 b(a(b(x1))) -> b(c(a(x1))) 6.53/2.44 a(a(c(x1))) -> b(a(b(x1))) 6.53/2.44 c(c(c(x1))) -> c(a(c(x1))) 6.53/2.44 6.53/2.44 6.53/2.44 ---------------------------------------- 6.53/2.44 6.53/2.44 (2) 6.53/2.44 Obligation: 6.53/2.44 Relative term rewrite system: 6.53/2.44 The relative TRS consists of the following R rules: 6.53/2.44 6.53/2.44 a(c(c(x1))) -> b(c(c(x1))) 6.53/2.44 c(b(b(x1))) -> b(a(a(x1))) 6.53/2.44 6.53/2.44 The relative TRS consists of the following S rules: 6.53/2.44 6.53/2.44 b(a(b(x1))) -> b(c(a(x1))) 6.53/2.44 a(a(c(x1))) -> b(a(b(x1))) 6.53/2.44 c(c(c(x1))) -> c(a(c(x1))) 6.53/2.44 6.53/2.44 6.53/2.44 ---------------------------------------- 6.53/2.44 6.53/2.44 (3) FlatCCProof (EQUIVALENT) 6.53/2.44 We used flat context closure [ROOTLAB] 6.53/2.44 6.53/2.44 ---------------------------------------- 6.53/2.44 6.53/2.44 (4) 6.53/2.44 Obligation: 6.53/2.44 Relative term rewrite system: 6.53/2.44 The relative TRS consists of the following R rules: 6.53/2.44 6.53/2.44 a(a(c(c(x1)))) -> a(b(c(c(x1)))) 6.53/2.44 c(a(c(c(x1)))) -> c(b(c(c(x1)))) 6.53/2.44 b(a(c(c(x1)))) -> b(b(c(c(x1)))) 6.53/2.44 a(c(b(b(x1)))) -> a(b(a(a(x1)))) 6.53/2.44 c(c(b(b(x1)))) -> c(b(a(a(x1)))) 6.53/2.44 b(c(b(b(x1)))) -> b(b(a(a(x1)))) 6.53/2.44 6.53/2.44 The relative TRS consists of the following S rules: 6.53/2.44 6.53/2.44 b(a(b(x1))) -> b(c(a(x1))) 6.53/2.44 c(c(c(x1))) -> c(a(c(x1))) 6.53/2.44 a(a(a(c(x1)))) -> a(b(a(b(x1)))) 6.53/2.44 c(a(a(c(x1)))) -> c(b(a(b(x1)))) 6.53/2.44 b(a(a(c(x1)))) -> b(b(a(b(x1)))) 6.53/2.44 6.53/2.44 6.53/2.44 ---------------------------------------- 6.53/2.44 6.53/2.44 (5) RootLabelingProof (EQUIVALENT) 6.53/2.44 We used plain root labeling [ROOTLAB] with the following heuristic: 6.53/2.44 LabelAll: All function symbols get labeled 6.53/2.44 6.53/2.44 6.53/2.44 ---------------------------------------- 6.53/2.44 6.53/2.44 (6) 6.53/2.44 Obligation: 6.53/2.44 Relative term rewrite system: 6.53/2.44 The relative TRS consists of the following R rules: 6.53/2.44 6.53/2.44 a_{a_1}(a_{c_1}(c_{c_1}(c_{a_1}(x1)))) -> a_{b_1}(b_{c_1}(c_{c_1}(c_{a_1}(x1)))) 6.53/2.44 a_{a_1}(a_{c_1}(c_{c_1}(c_{c_1}(x1)))) -> a_{b_1}(b_{c_1}(c_{c_1}(c_{c_1}(x1)))) 6.53/2.44 a_{a_1}(a_{c_1}(c_{c_1}(c_{b_1}(x1)))) -> a_{b_1}(b_{c_1}(c_{c_1}(c_{b_1}(x1)))) 6.53/2.44 c_{a_1}(a_{c_1}(c_{c_1}(c_{a_1}(x1)))) -> c_{b_1}(b_{c_1}(c_{c_1}(c_{a_1}(x1)))) 6.53/2.44 c_{a_1}(a_{c_1}(c_{c_1}(c_{c_1}(x1)))) -> c_{b_1}(b_{c_1}(c_{c_1}(c_{c_1}(x1)))) 6.53/2.44 c_{a_1}(a_{c_1}(c_{c_1}(c_{b_1}(x1)))) -> c_{b_1}(b_{c_1}(c_{c_1}(c_{b_1}(x1)))) 6.53/2.44 b_{a_1}(a_{c_1}(c_{c_1}(c_{a_1}(x1)))) -> b_{b_1}(b_{c_1}(c_{c_1}(c_{a_1}(x1)))) 6.53/2.44 b_{a_1}(a_{c_1}(c_{c_1}(c_{c_1}(x1)))) -> b_{b_1}(b_{c_1}(c_{c_1}(c_{c_1}(x1)))) 6.53/2.44 b_{a_1}(a_{c_1}(c_{c_1}(c_{b_1}(x1)))) -> b_{b_1}(b_{c_1}(c_{c_1}(c_{b_1}(x1)))) 6.53/2.44 a_{c_1}(c_{b_1}(b_{b_1}(b_{a_1}(x1)))) -> a_{b_1}(b_{a_1}(a_{a_1}(a_{a_1}(x1)))) 6.53/2.44 a_{c_1}(c_{b_1}(b_{b_1}(b_{c_1}(x1)))) -> a_{b_1}(b_{a_1}(a_{a_1}(a_{c_1}(x1)))) 6.53/2.44 a_{c_1}(c_{b_1}(b_{b_1}(b_{b_1}(x1)))) -> a_{b_1}(b_{a_1}(a_{a_1}(a_{b_1}(x1)))) 6.53/2.44 c_{c_1}(c_{b_1}(b_{b_1}(b_{a_1}(x1)))) -> c_{b_1}(b_{a_1}(a_{a_1}(a_{a_1}(x1)))) 6.53/2.44 c_{c_1}(c_{b_1}(b_{b_1}(b_{c_1}(x1)))) -> c_{b_1}(b_{a_1}(a_{a_1}(a_{c_1}(x1)))) 6.53/2.44 c_{c_1}(c_{b_1}(b_{b_1}(b_{b_1}(x1)))) -> c_{b_1}(b_{a_1}(a_{a_1}(a_{b_1}(x1)))) 6.53/2.44 b_{c_1}(c_{b_1}(b_{b_1}(b_{a_1}(x1)))) -> b_{b_1}(b_{a_1}(a_{a_1}(a_{a_1}(x1)))) 6.53/2.44 b_{c_1}(c_{b_1}(b_{b_1}(b_{c_1}(x1)))) -> b_{b_1}(b_{a_1}(a_{a_1}(a_{c_1}(x1)))) 6.53/2.44 b_{c_1}(c_{b_1}(b_{b_1}(b_{b_1}(x1)))) -> b_{b_1}(b_{a_1}(a_{a_1}(a_{b_1}(x1)))) 6.53/2.44 6.53/2.44 The relative TRS consists of the following S rules: 6.53/2.44 6.53/2.44 b_{a_1}(a_{b_1}(b_{a_1}(x1))) -> b_{c_1}(c_{a_1}(a_{a_1}(x1))) 6.53/2.44 b_{a_1}(a_{b_1}(b_{c_1}(x1))) -> b_{c_1}(c_{a_1}(a_{c_1}(x1))) 6.53/2.44 b_{a_1}(a_{b_1}(b_{b_1}(x1))) -> b_{c_1}(c_{a_1}(a_{b_1}(x1))) 6.53/2.44 c_{c_1}(c_{c_1}(c_{a_1}(x1))) -> c_{a_1}(a_{c_1}(c_{a_1}(x1))) 6.53/2.44 c_{c_1}(c_{c_1}(c_{c_1}(x1))) -> c_{a_1}(a_{c_1}(c_{c_1}(x1))) 6.53/2.44 c_{c_1}(c_{c_1}(c_{b_1}(x1))) -> c_{a_1}(a_{c_1}(c_{b_1}(x1))) 6.53/2.44 a_{a_1}(a_{a_1}(a_{c_1}(c_{a_1}(x1)))) -> a_{b_1}(b_{a_1}(a_{b_1}(b_{a_1}(x1)))) 6.53/2.44 a_{a_1}(a_{a_1}(a_{c_1}(c_{c_1}(x1)))) -> a_{b_1}(b_{a_1}(a_{b_1}(b_{c_1}(x1)))) 6.53/2.44 a_{a_1}(a_{a_1}(a_{c_1}(c_{b_1}(x1)))) -> a_{b_1}(b_{a_1}(a_{b_1}(b_{b_1}(x1)))) 6.53/2.44 c_{a_1}(a_{a_1}(a_{c_1}(c_{a_1}(x1)))) -> c_{b_1}(b_{a_1}(a_{b_1}(b_{a_1}(x1)))) 6.53/2.44 c_{a_1}(a_{a_1}(a_{c_1}(c_{c_1}(x1)))) -> c_{b_1}(b_{a_1}(a_{b_1}(b_{c_1}(x1)))) 6.53/2.44 c_{a_1}(a_{a_1}(a_{c_1}(c_{b_1}(x1)))) -> c_{b_1}(b_{a_1}(a_{b_1}(b_{b_1}(x1)))) 6.53/2.44 b_{a_1}(a_{a_1}(a_{c_1}(c_{a_1}(x1)))) -> b_{b_1}(b_{a_1}(a_{b_1}(b_{a_1}(x1)))) 6.53/2.44 b_{a_1}(a_{a_1}(a_{c_1}(c_{c_1}(x1)))) -> b_{b_1}(b_{a_1}(a_{b_1}(b_{c_1}(x1)))) 6.53/2.44 b_{a_1}(a_{a_1}(a_{c_1}(c_{b_1}(x1)))) -> b_{b_1}(b_{a_1}(a_{b_1}(b_{b_1}(x1)))) 6.53/2.44 6.53/2.44 6.53/2.44 ---------------------------------------- 6.53/2.44 6.53/2.44 (7) RelTRSRRRProof (EQUIVALENT) 6.53/2.44 We used the following monotonic ordering for rule removal: 6.53/2.44 Polynomial interpretation [POLO]: 6.53/2.44 6.53/2.44 POL(a_{a_1}(x_1)) = x_1 6.53/2.44 POL(a_{b_1}(x_1)) = x_1 6.53/2.44 POL(a_{c_1}(x_1)) = x_1 6.53/2.44 POL(b_{a_1}(x_1)) = x_1 6.53/2.44 POL(b_{b_1}(x_1)) = x_1 6.53/2.44 POL(b_{c_1}(x_1)) = x_1 6.53/2.44 POL(c_{a_1}(x_1)) = x_1 6.53/2.44 POL(c_{b_1}(x_1)) = x_1 6.53/2.44 POL(c_{c_1}(x_1)) = 1 + x_1 6.53/2.44 With this ordering the following rules can be removed [MATRO] because they are oriented strictly: 6.53/2.44 Rules from R: 6.53/2.44 6.53/2.44 c_{c_1}(c_{b_1}(b_{b_1}(b_{a_1}(x1)))) -> c_{b_1}(b_{a_1}(a_{a_1}(a_{a_1}(x1)))) 6.53/2.44 c_{c_1}(c_{b_1}(b_{b_1}(b_{c_1}(x1)))) -> c_{b_1}(b_{a_1}(a_{a_1}(a_{c_1}(x1)))) 6.53/2.44 c_{c_1}(c_{b_1}(b_{b_1}(b_{b_1}(x1)))) -> c_{b_1}(b_{a_1}(a_{a_1}(a_{b_1}(x1)))) 6.53/2.44 Rules from S: 6.53/2.44 6.53/2.44 c_{c_1}(c_{c_1}(c_{a_1}(x1))) -> c_{a_1}(a_{c_1}(c_{a_1}(x1))) 6.53/2.44 c_{c_1}(c_{c_1}(c_{c_1}(x1))) -> c_{a_1}(a_{c_1}(c_{c_1}(x1))) 6.53/2.44 c_{c_1}(c_{c_1}(c_{b_1}(x1))) -> c_{a_1}(a_{c_1}(c_{b_1}(x1))) 6.53/2.44 a_{a_1}(a_{a_1}(a_{c_1}(c_{c_1}(x1)))) -> a_{b_1}(b_{a_1}(a_{b_1}(b_{c_1}(x1)))) 6.53/2.44 c_{a_1}(a_{a_1}(a_{c_1}(c_{c_1}(x1)))) -> c_{b_1}(b_{a_1}(a_{b_1}(b_{c_1}(x1)))) 6.53/2.44 b_{a_1}(a_{a_1}(a_{c_1}(c_{c_1}(x1)))) -> b_{b_1}(b_{a_1}(a_{b_1}(b_{c_1}(x1)))) 6.53/2.44 6.53/2.44 6.53/2.44 6.53/2.44 6.53/2.44 ---------------------------------------- 6.53/2.44 6.53/2.44 (8) 6.53/2.44 Obligation: 6.53/2.44 Relative term rewrite system: 6.53/2.44 The relative TRS consists of the following R rules: 6.53/2.44 6.53/2.44 a_{a_1}(a_{c_1}(c_{c_1}(c_{a_1}(x1)))) -> a_{b_1}(b_{c_1}(c_{c_1}(c_{a_1}(x1)))) 6.53/2.44 a_{a_1}(a_{c_1}(c_{c_1}(c_{c_1}(x1)))) -> a_{b_1}(b_{c_1}(c_{c_1}(c_{c_1}(x1)))) 6.53/2.44 a_{a_1}(a_{c_1}(c_{c_1}(c_{b_1}(x1)))) -> a_{b_1}(b_{c_1}(c_{c_1}(c_{b_1}(x1)))) 6.53/2.44 c_{a_1}(a_{c_1}(c_{c_1}(c_{a_1}(x1)))) -> c_{b_1}(b_{c_1}(c_{c_1}(c_{a_1}(x1)))) 6.53/2.44 c_{a_1}(a_{c_1}(c_{c_1}(c_{c_1}(x1)))) -> c_{b_1}(b_{c_1}(c_{c_1}(c_{c_1}(x1)))) 6.53/2.44 c_{a_1}(a_{c_1}(c_{c_1}(c_{b_1}(x1)))) -> c_{b_1}(b_{c_1}(c_{c_1}(c_{b_1}(x1)))) 6.53/2.44 b_{a_1}(a_{c_1}(c_{c_1}(c_{a_1}(x1)))) -> b_{b_1}(b_{c_1}(c_{c_1}(c_{a_1}(x1)))) 6.53/2.44 b_{a_1}(a_{c_1}(c_{c_1}(c_{c_1}(x1)))) -> b_{b_1}(b_{c_1}(c_{c_1}(c_{c_1}(x1)))) 6.53/2.44 b_{a_1}(a_{c_1}(c_{c_1}(c_{b_1}(x1)))) -> b_{b_1}(b_{c_1}(c_{c_1}(c_{b_1}(x1)))) 6.53/2.44 a_{c_1}(c_{b_1}(b_{b_1}(b_{a_1}(x1)))) -> a_{b_1}(b_{a_1}(a_{a_1}(a_{a_1}(x1)))) 6.53/2.44 a_{c_1}(c_{b_1}(b_{b_1}(b_{c_1}(x1)))) -> a_{b_1}(b_{a_1}(a_{a_1}(a_{c_1}(x1)))) 6.53/2.44 a_{c_1}(c_{b_1}(b_{b_1}(b_{b_1}(x1)))) -> a_{b_1}(b_{a_1}(a_{a_1}(a_{b_1}(x1)))) 6.53/2.44 b_{c_1}(c_{b_1}(b_{b_1}(b_{a_1}(x1)))) -> b_{b_1}(b_{a_1}(a_{a_1}(a_{a_1}(x1)))) 6.53/2.44 b_{c_1}(c_{b_1}(b_{b_1}(b_{c_1}(x1)))) -> b_{b_1}(b_{a_1}(a_{a_1}(a_{c_1}(x1)))) 6.53/2.44 b_{c_1}(c_{b_1}(b_{b_1}(b_{b_1}(x1)))) -> b_{b_1}(b_{a_1}(a_{a_1}(a_{b_1}(x1)))) 6.53/2.44 6.53/2.44 The relative TRS consists of the following S rules: 6.53/2.44 6.53/2.44 b_{a_1}(a_{b_1}(b_{a_1}(x1))) -> b_{c_1}(c_{a_1}(a_{a_1}(x1))) 6.53/2.44 b_{a_1}(a_{b_1}(b_{c_1}(x1))) -> b_{c_1}(c_{a_1}(a_{c_1}(x1))) 6.53/2.44 b_{a_1}(a_{b_1}(b_{b_1}(x1))) -> b_{c_1}(c_{a_1}(a_{b_1}(x1))) 6.53/2.44 a_{a_1}(a_{a_1}(a_{c_1}(c_{a_1}(x1)))) -> a_{b_1}(b_{a_1}(a_{b_1}(b_{a_1}(x1)))) 6.53/2.44 a_{a_1}(a_{a_1}(a_{c_1}(c_{b_1}(x1)))) -> a_{b_1}(b_{a_1}(a_{b_1}(b_{b_1}(x1)))) 6.53/2.44 c_{a_1}(a_{a_1}(a_{c_1}(c_{a_1}(x1)))) -> c_{b_1}(b_{a_1}(a_{b_1}(b_{a_1}(x1)))) 6.53/2.44 c_{a_1}(a_{a_1}(a_{c_1}(c_{b_1}(x1)))) -> c_{b_1}(b_{a_1}(a_{b_1}(b_{b_1}(x1)))) 6.53/2.44 b_{a_1}(a_{a_1}(a_{c_1}(c_{a_1}(x1)))) -> b_{b_1}(b_{a_1}(a_{b_1}(b_{a_1}(x1)))) 6.53/2.44 b_{a_1}(a_{a_1}(a_{c_1}(c_{b_1}(x1)))) -> b_{b_1}(b_{a_1}(a_{b_1}(b_{b_1}(x1)))) 6.53/2.44 6.53/2.44 6.53/2.44 ---------------------------------------- 6.53/2.44 6.53/2.44 (9) RelTRSRRRProof (EQUIVALENT) 6.53/2.44 We used the following monotonic ordering for rule removal: 6.53/2.44 Knuth-Bendix order [KBO] with precedence:a_{c_1}_1 > c_{c_1}_1 > b_{a_1}_1 > a_{a_1}_1 > a_{b_1}_1 > b_{c_1}_1 > b_{b_1}_1 > c_{a_1}_1 > c_{b_1}_1 6.53/2.44 6.53/2.44 and weight map: 6.53/2.44 6.53/2.44 a_{a_1}_1=3 6.53/2.44 a_{c_1}_1=5 6.53/2.44 c_{c_1}_1=1 6.53/2.44 c_{a_1}_1=1 6.53/2.44 a_{b_1}_1=4 6.53/2.44 b_{c_1}_1=4 6.53/2.44 c_{b_1}_1=2 6.53/2.44 b_{a_1}_1=2 6.53/2.44 b_{b_1}_1=3 6.53/2.44 6.53/2.44 The variable weight is 1With this ordering the following rules can be removed [MATRO] because they are oriented strictly: 6.53/2.44 Rules from R: 6.53/2.44 6.53/2.44 a_{a_1}(a_{c_1}(c_{c_1}(c_{a_1}(x1)))) -> a_{b_1}(b_{c_1}(c_{c_1}(c_{a_1}(x1)))) 6.53/2.44 a_{a_1}(a_{c_1}(c_{c_1}(c_{c_1}(x1)))) -> a_{b_1}(b_{c_1}(c_{c_1}(c_{c_1}(x1)))) 6.53/2.44 a_{a_1}(a_{c_1}(c_{c_1}(c_{b_1}(x1)))) -> a_{b_1}(b_{c_1}(c_{c_1}(c_{b_1}(x1)))) 6.53/2.44 c_{a_1}(a_{c_1}(c_{c_1}(c_{a_1}(x1)))) -> c_{b_1}(b_{c_1}(c_{c_1}(c_{a_1}(x1)))) 6.53/2.44 c_{a_1}(a_{c_1}(c_{c_1}(c_{c_1}(x1)))) -> c_{b_1}(b_{c_1}(c_{c_1}(c_{c_1}(x1)))) 6.53/2.44 c_{a_1}(a_{c_1}(c_{c_1}(c_{b_1}(x1)))) -> c_{b_1}(b_{c_1}(c_{c_1}(c_{b_1}(x1)))) 6.53/2.44 b_{a_1}(a_{c_1}(c_{c_1}(c_{a_1}(x1)))) -> b_{b_1}(b_{c_1}(c_{c_1}(c_{a_1}(x1)))) 6.53/2.44 b_{a_1}(a_{c_1}(c_{c_1}(c_{c_1}(x1)))) -> b_{b_1}(b_{c_1}(c_{c_1}(c_{c_1}(x1)))) 6.53/2.44 b_{a_1}(a_{c_1}(c_{c_1}(c_{b_1}(x1)))) -> b_{b_1}(b_{c_1}(c_{c_1}(c_{b_1}(x1)))) 6.53/2.44 a_{c_1}(c_{b_1}(b_{b_1}(b_{a_1}(x1)))) -> a_{b_1}(b_{a_1}(a_{a_1}(a_{a_1}(x1)))) 6.53/2.44 a_{c_1}(c_{b_1}(b_{b_1}(b_{c_1}(x1)))) -> a_{b_1}(b_{a_1}(a_{a_1}(a_{c_1}(x1)))) 6.53/2.44 a_{c_1}(c_{b_1}(b_{b_1}(b_{b_1}(x1)))) -> a_{b_1}(b_{a_1}(a_{a_1}(a_{b_1}(x1)))) 6.53/2.44 b_{c_1}(c_{b_1}(b_{b_1}(b_{a_1}(x1)))) -> b_{b_1}(b_{a_1}(a_{a_1}(a_{a_1}(x1)))) 6.53/2.44 b_{c_1}(c_{b_1}(b_{b_1}(b_{c_1}(x1)))) -> b_{b_1}(b_{a_1}(a_{a_1}(a_{c_1}(x1)))) 6.53/2.44 b_{c_1}(c_{b_1}(b_{b_1}(b_{b_1}(x1)))) -> b_{b_1}(b_{a_1}(a_{a_1}(a_{b_1}(x1)))) 6.53/2.44 Rules from S: 6.53/2.44 6.53/2.44 b_{a_1}(a_{b_1}(b_{a_1}(x1))) -> b_{c_1}(c_{a_1}(a_{a_1}(x1))) 6.53/2.44 b_{a_1}(a_{b_1}(b_{c_1}(x1))) -> b_{c_1}(c_{a_1}(a_{c_1}(x1))) 6.53/2.44 b_{a_1}(a_{b_1}(b_{b_1}(x1))) -> b_{c_1}(c_{a_1}(a_{b_1}(x1))) 6.53/2.44 a_{a_1}(a_{a_1}(a_{c_1}(c_{a_1}(x1)))) -> a_{b_1}(b_{a_1}(a_{b_1}(b_{a_1}(x1)))) 6.53/2.44 a_{a_1}(a_{a_1}(a_{c_1}(c_{b_1}(x1)))) -> a_{b_1}(b_{a_1}(a_{b_1}(b_{b_1}(x1)))) 6.53/2.44 c_{a_1}(a_{a_1}(a_{c_1}(c_{a_1}(x1)))) -> c_{b_1}(b_{a_1}(a_{b_1}(b_{a_1}(x1)))) 6.53/2.44 c_{a_1}(a_{a_1}(a_{c_1}(c_{b_1}(x1)))) -> c_{b_1}(b_{a_1}(a_{b_1}(b_{b_1}(x1)))) 6.53/2.44 b_{a_1}(a_{a_1}(a_{c_1}(c_{a_1}(x1)))) -> b_{b_1}(b_{a_1}(a_{b_1}(b_{a_1}(x1)))) 6.53/2.44 b_{a_1}(a_{a_1}(a_{c_1}(c_{b_1}(x1)))) -> b_{b_1}(b_{a_1}(a_{b_1}(b_{b_1}(x1)))) 6.53/2.44 6.53/2.44 6.53/2.44 6.53/2.44 6.53/2.44 ---------------------------------------- 6.53/2.44 6.53/2.44 (10) 6.53/2.44 Obligation: 6.53/2.44 Relative term rewrite system: 6.53/2.44 R is empty. 6.53/2.44 S is empty. 6.53/2.44 6.53/2.44 ---------------------------------------- 6.53/2.44 6.53/2.44 (11) RIsEmptyProof (EQUIVALENT) 6.53/2.44 The TRS R is empty. Hence, termination is trivially proven. 6.53/2.44 ---------------------------------------- 6.53/2.44 6.53/2.44 (12) 6.53/2.44 YES 6.69/2.49 EOF