31.48/8.80 YES 31.86/8.99 proof of /export/starexec/sandbox/benchmark/theBenchmark.xml 31.86/8.99 # AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty 31.86/8.99 31.86/8.99 31.86/8.99 Termination of the given RelTRS could be proven: 31.86/8.99 31.86/8.99 (0) RelTRS 31.86/8.99 (1) FlatCCProof [EQUIVALENT, 0 ms] 31.86/8.99 (2) RelTRS 31.86/8.99 (3) RootLabelingProof [EQUIVALENT, 17 ms] 31.86/8.99 (4) RelTRS 31.86/8.99 (5) RelTRSRRRProof [EQUIVALENT, 82 ms] 31.86/8.99 (6) RelTRS 31.86/8.99 (7) RelTRSRRRProof [EQUIVALENT, 1826 ms] 31.86/8.99 (8) RelTRS 31.86/8.99 (9) RelTRSRRRProof [EQUIVALENT, 982 ms] 31.86/8.99 (10) RelTRS 31.86/8.99 (11) RIsEmptyProof [EQUIVALENT, 0 ms] 31.86/8.99 (12) YES 31.86/8.99 31.86/8.99 31.86/8.99 ---------------------------------------- 31.86/8.99 31.86/8.99 (0) 31.86/8.99 Obligation: 31.86/8.99 Relative term rewrite system: 31.86/8.99 The relative TRS consists of the following R rules: 31.86/8.99 31.86/8.99 a(c(b(x1))) -> b(a(b(x1))) 31.86/8.99 a(b(c(x1))) -> b(b(c(x1))) 31.86/8.99 31.86/8.99 The relative TRS consists of the following S rules: 31.86/8.99 31.86/8.99 a(b(c(x1))) -> c(c(b(x1))) 31.86/8.99 b(a(c(x1))) -> c(a(c(x1))) 31.86/8.99 a(a(c(x1))) -> a(a(b(x1))) 31.86/8.99 b(c(a(x1))) -> a(c(b(x1))) 31.86/8.99 a(a(a(x1))) -> c(a(b(x1))) 31.86/8.99 31.86/8.99 31.86/8.99 ---------------------------------------- 31.86/8.99 31.86/8.99 (1) FlatCCProof (EQUIVALENT) 31.86/8.99 We used flat context closure [ROOTLAB] 31.86/8.99 31.86/8.99 ---------------------------------------- 31.86/8.99 31.86/8.99 (2) 31.86/8.99 Obligation: 31.86/8.99 Relative term rewrite system: 31.86/8.99 The relative TRS consists of the following R rules: 31.86/8.99 31.86/8.99 a(a(c(b(x1)))) -> a(b(a(b(x1)))) 31.86/8.99 c(a(c(b(x1)))) -> c(b(a(b(x1)))) 31.86/8.99 b(a(c(b(x1)))) -> b(b(a(b(x1)))) 31.86/8.99 a(a(b(c(x1)))) -> a(b(b(c(x1)))) 31.86/8.99 c(a(b(c(x1)))) -> c(b(b(c(x1)))) 31.86/8.99 b(a(b(c(x1)))) -> b(b(b(c(x1)))) 31.86/8.99 31.86/8.99 The relative TRS consists of the following S rules: 31.86/8.99 31.86/8.99 a(a(c(x1))) -> a(a(b(x1))) 31.86/8.99 a(a(b(c(x1)))) -> a(c(c(b(x1)))) 31.86/8.99 c(a(b(c(x1)))) -> c(c(c(b(x1)))) 31.86/8.99 b(a(b(c(x1)))) -> b(c(c(b(x1)))) 31.86/8.99 a(b(a(c(x1)))) -> a(c(a(c(x1)))) 31.86/8.99 c(b(a(c(x1)))) -> c(c(a(c(x1)))) 31.86/8.99 b(b(a(c(x1)))) -> b(c(a(c(x1)))) 31.86/8.99 a(b(c(a(x1)))) -> a(a(c(b(x1)))) 31.86/8.99 c(b(c(a(x1)))) -> c(a(c(b(x1)))) 31.86/8.99 b(b(c(a(x1)))) -> b(a(c(b(x1)))) 31.86/8.99 a(a(a(a(x1)))) -> a(c(a(b(x1)))) 31.86/8.99 c(a(a(a(x1)))) -> c(c(a(b(x1)))) 31.86/8.99 b(a(a(a(x1)))) -> b(c(a(b(x1)))) 31.86/8.99 31.86/8.99 31.86/8.99 ---------------------------------------- 31.86/8.99 31.86/8.99 (3) RootLabelingProof (EQUIVALENT) 31.86/8.99 We used plain root labeling [ROOTLAB] with the following heuristic: 31.86/8.99 LabelAll: All function symbols get labeled 31.86/8.99 31.86/8.99 31.86/8.99 ---------------------------------------- 31.86/8.99 31.86/8.99 (4) 31.86/8.99 Obligation: 31.86/8.99 Relative term rewrite system: 31.86/8.99 The relative TRS consists of the following R rules: 31.86/8.99 31.86/8.99 a_{a_1}(a_{c_1}(c_{b_1}(b_{a_1}(x1)))) -> a_{b_1}(b_{a_1}(a_{b_1}(b_{a_1}(x1)))) 31.86/8.99 a_{a_1}(a_{c_1}(c_{b_1}(b_{c_1}(x1)))) -> a_{b_1}(b_{a_1}(a_{b_1}(b_{c_1}(x1)))) 31.86/8.99 a_{a_1}(a_{c_1}(c_{b_1}(b_{b_1}(x1)))) -> a_{b_1}(b_{a_1}(a_{b_1}(b_{b_1}(x1)))) 31.86/8.99 c_{a_1}(a_{c_1}(c_{b_1}(b_{a_1}(x1)))) -> c_{b_1}(b_{a_1}(a_{b_1}(b_{a_1}(x1)))) 31.86/8.99 c_{a_1}(a_{c_1}(c_{b_1}(b_{c_1}(x1)))) -> c_{b_1}(b_{a_1}(a_{b_1}(b_{c_1}(x1)))) 31.86/8.99 c_{a_1}(a_{c_1}(c_{b_1}(b_{b_1}(x1)))) -> c_{b_1}(b_{a_1}(a_{b_1}(b_{b_1}(x1)))) 31.86/8.99 b_{a_1}(a_{c_1}(c_{b_1}(b_{a_1}(x1)))) -> b_{b_1}(b_{a_1}(a_{b_1}(b_{a_1}(x1)))) 31.86/8.99 b_{a_1}(a_{c_1}(c_{b_1}(b_{c_1}(x1)))) -> b_{b_1}(b_{a_1}(a_{b_1}(b_{c_1}(x1)))) 31.86/8.99 b_{a_1}(a_{c_1}(c_{b_1}(b_{b_1}(x1)))) -> b_{b_1}(b_{a_1}(a_{b_1}(b_{b_1}(x1)))) 31.86/8.99 a_{a_1}(a_{b_1}(b_{c_1}(c_{a_1}(x1)))) -> a_{b_1}(b_{b_1}(b_{c_1}(c_{a_1}(x1)))) 31.86/8.99 a_{a_1}(a_{b_1}(b_{c_1}(c_{c_1}(x1)))) -> a_{b_1}(b_{b_1}(b_{c_1}(c_{c_1}(x1)))) 31.86/8.99 a_{a_1}(a_{b_1}(b_{c_1}(c_{b_1}(x1)))) -> a_{b_1}(b_{b_1}(b_{c_1}(c_{b_1}(x1)))) 31.86/8.99 c_{a_1}(a_{b_1}(b_{c_1}(c_{a_1}(x1)))) -> c_{b_1}(b_{b_1}(b_{c_1}(c_{a_1}(x1)))) 31.86/8.99 c_{a_1}(a_{b_1}(b_{c_1}(c_{c_1}(x1)))) -> c_{b_1}(b_{b_1}(b_{c_1}(c_{c_1}(x1)))) 31.86/8.99 c_{a_1}(a_{b_1}(b_{c_1}(c_{b_1}(x1)))) -> c_{b_1}(b_{b_1}(b_{c_1}(c_{b_1}(x1)))) 31.86/8.99 b_{a_1}(a_{b_1}(b_{c_1}(c_{a_1}(x1)))) -> b_{b_1}(b_{b_1}(b_{c_1}(c_{a_1}(x1)))) 31.86/8.99 b_{a_1}(a_{b_1}(b_{c_1}(c_{c_1}(x1)))) -> b_{b_1}(b_{b_1}(b_{c_1}(c_{c_1}(x1)))) 31.86/8.99 b_{a_1}(a_{b_1}(b_{c_1}(c_{b_1}(x1)))) -> b_{b_1}(b_{b_1}(b_{c_1}(c_{b_1}(x1)))) 31.86/8.99 31.86/8.99 The relative TRS consists of the following S rules: 31.86/8.99 31.86/8.99 a_{a_1}(a_{c_1}(c_{a_1}(x1))) -> a_{a_1}(a_{b_1}(b_{a_1}(x1))) 31.86/8.99 a_{a_1}(a_{c_1}(c_{c_1}(x1))) -> a_{a_1}(a_{b_1}(b_{c_1}(x1))) 31.86/8.99 a_{a_1}(a_{c_1}(c_{b_1}(x1))) -> a_{a_1}(a_{b_1}(b_{b_1}(x1))) 31.86/8.99 a_{a_1}(a_{b_1}(b_{c_1}(c_{a_1}(x1)))) -> a_{c_1}(c_{c_1}(c_{b_1}(b_{a_1}(x1)))) 31.86/8.99 a_{a_1}(a_{b_1}(b_{c_1}(c_{c_1}(x1)))) -> a_{c_1}(c_{c_1}(c_{b_1}(b_{c_1}(x1)))) 31.86/8.99 a_{a_1}(a_{b_1}(b_{c_1}(c_{b_1}(x1)))) -> a_{c_1}(c_{c_1}(c_{b_1}(b_{b_1}(x1)))) 31.86/8.99 c_{a_1}(a_{b_1}(b_{c_1}(c_{a_1}(x1)))) -> c_{c_1}(c_{c_1}(c_{b_1}(b_{a_1}(x1)))) 31.86/8.99 c_{a_1}(a_{b_1}(b_{c_1}(c_{c_1}(x1)))) -> c_{c_1}(c_{c_1}(c_{b_1}(b_{c_1}(x1)))) 31.86/8.99 c_{a_1}(a_{b_1}(b_{c_1}(c_{b_1}(x1)))) -> c_{c_1}(c_{c_1}(c_{b_1}(b_{b_1}(x1)))) 31.86/8.99 b_{a_1}(a_{b_1}(b_{c_1}(c_{a_1}(x1)))) -> b_{c_1}(c_{c_1}(c_{b_1}(b_{a_1}(x1)))) 31.86/8.99 b_{a_1}(a_{b_1}(b_{c_1}(c_{c_1}(x1)))) -> b_{c_1}(c_{c_1}(c_{b_1}(b_{c_1}(x1)))) 31.86/8.99 b_{a_1}(a_{b_1}(b_{c_1}(c_{b_1}(x1)))) -> b_{c_1}(c_{c_1}(c_{b_1}(b_{b_1}(x1)))) 31.86/8.99 a_{b_1}(b_{a_1}(a_{c_1}(c_{a_1}(x1)))) -> a_{c_1}(c_{a_1}(a_{c_1}(c_{a_1}(x1)))) 31.86/8.99 a_{b_1}(b_{a_1}(a_{c_1}(c_{c_1}(x1)))) -> a_{c_1}(c_{a_1}(a_{c_1}(c_{c_1}(x1)))) 31.86/8.99 a_{b_1}(b_{a_1}(a_{c_1}(c_{b_1}(x1)))) -> a_{c_1}(c_{a_1}(a_{c_1}(c_{b_1}(x1)))) 31.86/8.99 c_{b_1}(b_{a_1}(a_{c_1}(c_{a_1}(x1)))) -> c_{c_1}(c_{a_1}(a_{c_1}(c_{a_1}(x1)))) 31.86/8.99 c_{b_1}(b_{a_1}(a_{c_1}(c_{c_1}(x1)))) -> c_{c_1}(c_{a_1}(a_{c_1}(c_{c_1}(x1)))) 31.86/8.99 c_{b_1}(b_{a_1}(a_{c_1}(c_{b_1}(x1)))) -> c_{c_1}(c_{a_1}(a_{c_1}(c_{b_1}(x1)))) 31.86/8.99 b_{b_1}(b_{a_1}(a_{c_1}(c_{a_1}(x1)))) -> b_{c_1}(c_{a_1}(a_{c_1}(c_{a_1}(x1)))) 31.86/8.99 b_{b_1}(b_{a_1}(a_{c_1}(c_{c_1}(x1)))) -> b_{c_1}(c_{a_1}(a_{c_1}(c_{c_1}(x1)))) 31.86/8.99 b_{b_1}(b_{a_1}(a_{c_1}(c_{b_1}(x1)))) -> b_{c_1}(c_{a_1}(a_{c_1}(c_{b_1}(x1)))) 31.86/8.99 a_{b_1}(b_{c_1}(c_{a_1}(a_{a_1}(x1)))) -> a_{a_1}(a_{c_1}(c_{b_1}(b_{a_1}(x1)))) 31.86/8.99 a_{b_1}(b_{c_1}(c_{a_1}(a_{c_1}(x1)))) -> a_{a_1}(a_{c_1}(c_{b_1}(b_{c_1}(x1)))) 31.86/8.99 a_{b_1}(b_{c_1}(c_{a_1}(a_{b_1}(x1)))) -> a_{a_1}(a_{c_1}(c_{b_1}(b_{b_1}(x1)))) 31.86/8.99 c_{b_1}(b_{c_1}(c_{a_1}(a_{a_1}(x1)))) -> c_{a_1}(a_{c_1}(c_{b_1}(b_{a_1}(x1)))) 31.86/8.99 c_{b_1}(b_{c_1}(c_{a_1}(a_{c_1}(x1)))) -> c_{a_1}(a_{c_1}(c_{b_1}(b_{c_1}(x1)))) 31.86/8.99 c_{b_1}(b_{c_1}(c_{a_1}(a_{b_1}(x1)))) -> c_{a_1}(a_{c_1}(c_{b_1}(b_{b_1}(x1)))) 31.86/8.99 b_{b_1}(b_{c_1}(c_{a_1}(a_{a_1}(x1)))) -> b_{a_1}(a_{c_1}(c_{b_1}(b_{a_1}(x1)))) 31.86/8.99 b_{b_1}(b_{c_1}(c_{a_1}(a_{c_1}(x1)))) -> b_{a_1}(a_{c_1}(c_{b_1}(b_{c_1}(x1)))) 31.86/8.99 b_{b_1}(b_{c_1}(c_{a_1}(a_{b_1}(x1)))) -> b_{a_1}(a_{c_1}(c_{b_1}(b_{b_1}(x1)))) 31.86/8.99 a_{a_1}(a_{a_1}(a_{a_1}(a_{a_1}(x1)))) -> a_{c_1}(c_{a_1}(a_{b_1}(b_{a_1}(x1)))) 31.86/8.99 a_{a_1}(a_{a_1}(a_{a_1}(a_{c_1}(x1)))) -> a_{c_1}(c_{a_1}(a_{b_1}(b_{c_1}(x1)))) 31.86/8.99 a_{a_1}(a_{a_1}(a_{a_1}(a_{b_1}(x1)))) -> a_{c_1}(c_{a_1}(a_{b_1}(b_{b_1}(x1)))) 31.86/8.99 c_{a_1}(a_{a_1}(a_{a_1}(a_{a_1}(x1)))) -> c_{c_1}(c_{a_1}(a_{b_1}(b_{a_1}(x1)))) 31.86/8.99 c_{a_1}(a_{a_1}(a_{a_1}(a_{c_1}(x1)))) -> c_{c_1}(c_{a_1}(a_{b_1}(b_{c_1}(x1)))) 31.86/8.99 c_{a_1}(a_{a_1}(a_{a_1}(a_{b_1}(x1)))) -> c_{c_1}(c_{a_1}(a_{b_1}(b_{b_1}(x1)))) 31.86/8.99 b_{a_1}(a_{a_1}(a_{a_1}(a_{a_1}(x1)))) -> b_{c_1}(c_{a_1}(a_{b_1}(b_{a_1}(x1)))) 31.86/8.99 b_{a_1}(a_{a_1}(a_{a_1}(a_{c_1}(x1)))) -> b_{c_1}(c_{a_1}(a_{b_1}(b_{c_1}(x1)))) 31.86/8.99 b_{a_1}(a_{a_1}(a_{a_1}(a_{b_1}(x1)))) -> b_{c_1}(c_{a_1}(a_{b_1}(b_{b_1}(x1)))) 31.86/8.99 31.86/8.99 31.86/8.99 ---------------------------------------- 31.86/8.99 31.86/8.99 (5) RelTRSRRRProof (EQUIVALENT) 31.86/8.99 We used the following monotonic ordering for rule removal: 31.86/8.99 Polynomial interpretation [POLO]: 31.86/8.99 31.86/8.99 POL(a_{a_1}(x_1)) = 1 + x_1 31.86/8.99 POL(a_{b_1}(x_1)) = x_1 31.86/8.99 POL(a_{c_1}(x_1)) = x_1 31.86/8.99 POL(b_{a_1}(x_1)) = 1 + x_1 31.86/8.99 POL(b_{b_1}(x_1)) = x_1 31.86/8.99 POL(b_{c_1}(x_1)) = x_1 31.86/8.99 POL(c_{a_1}(x_1)) = 1 + x_1 31.86/8.99 POL(c_{b_1}(x_1)) = x_1 31.86/8.99 POL(c_{c_1}(x_1)) = x_1 31.86/8.99 With this ordering the following rules can be removed [MATRO] because they are oriented strictly: 31.86/8.99 Rules from R: 31.86/8.99 31.86/8.99 a_{a_1}(a_{b_1}(b_{c_1}(c_{a_1}(x1)))) -> a_{b_1}(b_{b_1}(b_{c_1}(c_{a_1}(x1)))) 31.86/8.99 a_{a_1}(a_{b_1}(b_{c_1}(c_{c_1}(x1)))) -> a_{b_1}(b_{b_1}(b_{c_1}(c_{c_1}(x1)))) 31.86/8.99 a_{a_1}(a_{b_1}(b_{c_1}(c_{b_1}(x1)))) -> a_{b_1}(b_{b_1}(b_{c_1}(c_{b_1}(x1)))) 31.86/8.99 c_{a_1}(a_{b_1}(b_{c_1}(c_{a_1}(x1)))) -> c_{b_1}(b_{b_1}(b_{c_1}(c_{a_1}(x1)))) 31.86/8.99 c_{a_1}(a_{b_1}(b_{c_1}(c_{c_1}(x1)))) -> c_{b_1}(b_{b_1}(b_{c_1}(c_{c_1}(x1)))) 31.86/8.99 c_{a_1}(a_{b_1}(b_{c_1}(c_{b_1}(x1)))) -> c_{b_1}(b_{b_1}(b_{c_1}(c_{b_1}(x1)))) 31.86/8.99 b_{a_1}(a_{b_1}(b_{c_1}(c_{a_1}(x1)))) -> b_{b_1}(b_{b_1}(b_{c_1}(c_{a_1}(x1)))) 31.86/8.99 b_{a_1}(a_{b_1}(b_{c_1}(c_{c_1}(x1)))) -> b_{b_1}(b_{b_1}(b_{c_1}(c_{c_1}(x1)))) 31.86/8.99 b_{a_1}(a_{b_1}(b_{c_1}(c_{b_1}(x1)))) -> b_{b_1}(b_{b_1}(b_{c_1}(c_{b_1}(x1)))) 31.86/8.99 Rules from S: 31.86/8.99 31.86/8.99 a_{a_1}(a_{b_1}(b_{c_1}(c_{a_1}(x1)))) -> a_{c_1}(c_{c_1}(c_{b_1}(b_{a_1}(x1)))) 31.86/8.99 a_{a_1}(a_{b_1}(b_{c_1}(c_{c_1}(x1)))) -> a_{c_1}(c_{c_1}(c_{b_1}(b_{c_1}(x1)))) 31.86/8.99 a_{a_1}(a_{b_1}(b_{c_1}(c_{b_1}(x1)))) -> a_{c_1}(c_{c_1}(c_{b_1}(b_{b_1}(x1)))) 31.86/8.99 c_{a_1}(a_{b_1}(b_{c_1}(c_{a_1}(x1)))) -> c_{c_1}(c_{c_1}(c_{b_1}(b_{a_1}(x1)))) 31.86/8.99 c_{a_1}(a_{b_1}(b_{c_1}(c_{c_1}(x1)))) -> c_{c_1}(c_{c_1}(c_{b_1}(b_{c_1}(x1)))) 31.86/8.99 c_{a_1}(a_{b_1}(b_{c_1}(c_{b_1}(x1)))) -> c_{c_1}(c_{c_1}(c_{b_1}(b_{b_1}(x1)))) 31.86/8.99 b_{a_1}(a_{b_1}(b_{c_1}(c_{a_1}(x1)))) -> b_{c_1}(c_{c_1}(c_{b_1}(b_{a_1}(x1)))) 31.86/8.99 b_{a_1}(a_{b_1}(b_{c_1}(c_{c_1}(x1)))) -> b_{c_1}(c_{c_1}(c_{b_1}(b_{c_1}(x1)))) 31.86/8.99 b_{a_1}(a_{b_1}(b_{c_1}(c_{b_1}(x1)))) -> b_{c_1}(c_{c_1}(c_{b_1}(b_{b_1}(x1)))) 31.86/8.99 a_{a_1}(a_{a_1}(a_{a_1}(a_{a_1}(x1)))) -> a_{c_1}(c_{a_1}(a_{b_1}(b_{a_1}(x1)))) 31.86/8.99 a_{a_1}(a_{a_1}(a_{a_1}(a_{c_1}(x1)))) -> a_{c_1}(c_{a_1}(a_{b_1}(b_{c_1}(x1)))) 31.86/8.99 a_{a_1}(a_{a_1}(a_{a_1}(a_{b_1}(x1)))) -> a_{c_1}(c_{a_1}(a_{b_1}(b_{b_1}(x1)))) 31.86/8.99 c_{a_1}(a_{a_1}(a_{a_1}(a_{a_1}(x1)))) -> c_{c_1}(c_{a_1}(a_{b_1}(b_{a_1}(x1)))) 31.86/8.99 c_{a_1}(a_{a_1}(a_{a_1}(a_{c_1}(x1)))) -> c_{c_1}(c_{a_1}(a_{b_1}(b_{c_1}(x1)))) 31.86/8.99 c_{a_1}(a_{a_1}(a_{a_1}(a_{b_1}(x1)))) -> c_{c_1}(c_{a_1}(a_{b_1}(b_{b_1}(x1)))) 31.86/8.99 b_{a_1}(a_{a_1}(a_{a_1}(a_{a_1}(x1)))) -> b_{c_1}(c_{a_1}(a_{b_1}(b_{a_1}(x1)))) 31.86/8.99 b_{a_1}(a_{a_1}(a_{a_1}(a_{c_1}(x1)))) -> b_{c_1}(c_{a_1}(a_{b_1}(b_{c_1}(x1)))) 31.86/8.99 b_{a_1}(a_{a_1}(a_{a_1}(a_{b_1}(x1)))) -> b_{c_1}(c_{a_1}(a_{b_1}(b_{b_1}(x1)))) 31.86/8.99 31.86/8.99 31.86/8.99 31.86/8.99 31.86/8.99 ---------------------------------------- 31.86/8.99 31.86/8.99 (6) 31.86/8.99 Obligation: 31.86/8.99 Relative term rewrite system: 31.86/8.99 The relative TRS consists of the following R rules: 31.86/8.99 31.86/8.99 a_{a_1}(a_{c_1}(c_{b_1}(b_{a_1}(x1)))) -> a_{b_1}(b_{a_1}(a_{b_1}(b_{a_1}(x1)))) 31.86/8.99 a_{a_1}(a_{c_1}(c_{b_1}(b_{c_1}(x1)))) -> a_{b_1}(b_{a_1}(a_{b_1}(b_{c_1}(x1)))) 31.86/8.99 a_{a_1}(a_{c_1}(c_{b_1}(b_{b_1}(x1)))) -> a_{b_1}(b_{a_1}(a_{b_1}(b_{b_1}(x1)))) 31.86/8.99 c_{a_1}(a_{c_1}(c_{b_1}(b_{a_1}(x1)))) -> c_{b_1}(b_{a_1}(a_{b_1}(b_{a_1}(x1)))) 31.86/8.99 c_{a_1}(a_{c_1}(c_{b_1}(b_{c_1}(x1)))) -> c_{b_1}(b_{a_1}(a_{b_1}(b_{c_1}(x1)))) 31.86/8.99 c_{a_1}(a_{c_1}(c_{b_1}(b_{b_1}(x1)))) -> c_{b_1}(b_{a_1}(a_{b_1}(b_{b_1}(x1)))) 31.86/8.99 b_{a_1}(a_{c_1}(c_{b_1}(b_{a_1}(x1)))) -> b_{b_1}(b_{a_1}(a_{b_1}(b_{a_1}(x1)))) 31.86/8.99 b_{a_1}(a_{c_1}(c_{b_1}(b_{c_1}(x1)))) -> b_{b_1}(b_{a_1}(a_{b_1}(b_{c_1}(x1)))) 31.86/8.99 b_{a_1}(a_{c_1}(c_{b_1}(b_{b_1}(x1)))) -> b_{b_1}(b_{a_1}(a_{b_1}(b_{b_1}(x1)))) 31.86/8.99 31.86/8.99 The relative TRS consists of the following S rules: 31.86/8.99 31.86/8.99 a_{a_1}(a_{c_1}(c_{a_1}(x1))) -> a_{a_1}(a_{b_1}(b_{a_1}(x1))) 31.86/8.99 a_{a_1}(a_{c_1}(c_{c_1}(x1))) -> a_{a_1}(a_{b_1}(b_{c_1}(x1))) 31.86/8.99 a_{a_1}(a_{c_1}(c_{b_1}(x1))) -> a_{a_1}(a_{b_1}(b_{b_1}(x1))) 31.86/8.99 a_{b_1}(b_{a_1}(a_{c_1}(c_{a_1}(x1)))) -> a_{c_1}(c_{a_1}(a_{c_1}(c_{a_1}(x1)))) 31.86/8.99 a_{b_1}(b_{a_1}(a_{c_1}(c_{c_1}(x1)))) -> a_{c_1}(c_{a_1}(a_{c_1}(c_{c_1}(x1)))) 31.86/8.99 a_{b_1}(b_{a_1}(a_{c_1}(c_{b_1}(x1)))) -> a_{c_1}(c_{a_1}(a_{c_1}(c_{b_1}(x1)))) 31.86/8.99 c_{b_1}(b_{a_1}(a_{c_1}(c_{a_1}(x1)))) -> c_{c_1}(c_{a_1}(a_{c_1}(c_{a_1}(x1)))) 31.86/8.99 c_{b_1}(b_{a_1}(a_{c_1}(c_{c_1}(x1)))) -> c_{c_1}(c_{a_1}(a_{c_1}(c_{c_1}(x1)))) 31.86/8.99 c_{b_1}(b_{a_1}(a_{c_1}(c_{b_1}(x1)))) -> c_{c_1}(c_{a_1}(a_{c_1}(c_{b_1}(x1)))) 31.86/8.99 b_{b_1}(b_{a_1}(a_{c_1}(c_{a_1}(x1)))) -> b_{c_1}(c_{a_1}(a_{c_1}(c_{a_1}(x1)))) 31.86/8.99 b_{b_1}(b_{a_1}(a_{c_1}(c_{c_1}(x1)))) -> b_{c_1}(c_{a_1}(a_{c_1}(c_{c_1}(x1)))) 31.86/8.99 b_{b_1}(b_{a_1}(a_{c_1}(c_{b_1}(x1)))) -> b_{c_1}(c_{a_1}(a_{c_1}(c_{b_1}(x1)))) 31.86/8.99 a_{b_1}(b_{c_1}(c_{a_1}(a_{a_1}(x1)))) -> a_{a_1}(a_{c_1}(c_{b_1}(b_{a_1}(x1)))) 31.86/8.99 a_{b_1}(b_{c_1}(c_{a_1}(a_{c_1}(x1)))) -> a_{a_1}(a_{c_1}(c_{b_1}(b_{c_1}(x1)))) 31.86/8.99 a_{b_1}(b_{c_1}(c_{a_1}(a_{b_1}(x1)))) -> a_{a_1}(a_{c_1}(c_{b_1}(b_{b_1}(x1)))) 31.86/8.99 c_{b_1}(b_{c_1}(c_{a_1}(a_{a_1}(x1)))) -> c_{a_1}(a_{c_1}(c_{b_1}(b_{a_1}(x1)))) 31.86/8.99 c_{b_1}(b_{c_1}(c_{a_1}(a_{c_1}(x1)))) -> c_{a_1}(a_{c_1}(c_{b_1}(b_{c_1}(x1)))) 31.86/8.99 c_{b_1}(b_{c_1}(c_{a_1}(a_{b_1}(x1)))) -> c_{a_1}(a_{c_1}(c_{b_1}(b_{b_1}(x1)))) 31.86/8.99 b_{b_1}(b_{c_1}(c_{a_1}(a_{a_1}(x1)))) -> b_{a_1}(a_{c_1}(c_{b_1}(b_{a_1}(x1)))) 31.86/8.99 b_{b_1}(b_{c_1}(c_{a_1}(a_{c_1}(x1)))) -> b_{a_1}(a_{c_1}(c_{b_1}(b_{c_1}(x1)))) 31.86/8.99 b_{b_1}(b_{c_1}(c_{a_1}(a_{b_1}(x1)))) -> b_{a_1}(a_{c_1}(c_{b_1}(b_{b_1}(x1)))) 31.86/8.99 31.86/8.99 31.86/8.99 ---------------------------------------- 31.86/8.99 31.86/8.99 (7) RelTRSRRRProof (EQUIVALENT) 31.86/8.99 We used the following monotonic ordering for rule removal: 31.86/8.99 Matrix interpretation [MATRO] to (N^2, +, *, >=, >) : 31.86/8.99 31.86/8.99 <<< 31.86/8.99 POL(a_{a_1}(x_1)) = [[0], [1]] + [[2, 0], [0, 0]] * x_1 31.86/8.99 >>> 31.86/8.99 31.86/8.99 <<< 31.86/8.99 POL(a_{c_1}(x_1)) = [[0], [0]] + [[2, 1], [0, 0]] * x_1 31.86/8.99 >>> 31.86/8.99 31.86/8.99 <<< 31.86/8.99 POL(c_{b_1}(x_1)) = [[0], [0]] + [[2, 1], [0, 0]] * x_1 31.86/8.99 >>> 31.86/8.99 31.86/8.99 <<< 31.86/8.99 POL(b_{a_1}(x_1)) = [[0], [0]] + [[2, 0], [0, 0]] * x_1 31.86/8.99 >>> 31.86/8.99 31.86/8.99 <<< 31.86/8.99 POL(a_{b_1}(x_1)) = [[0], [1]] + [[2, 0], [0, 0]] * x_1 31.86/8.99 >>> 31.86/8.99 31.86/8.99 <<< 31.86/8.99 POL(b_{c_1}(x_1)) = [[0], [0]] + [[2, 0], [0, 2]] * x_1 31.86/8.99 >>> 31.86/8.99 31.86/8.99 <<< 31.86/8.99 POL(b_{b_1}(x_1)) = [[0], [0]] + [[2, 0], [0, 0]] * x_1 31.86/8.99 >>> 31.86/8.99 31.86/8.99 <<< 31.86/8.99 POL(c_{a_1}(x_1)) = [[0], [0]] + [[2, 0], [0, 2]] * x_1 31.86/8.99 >>> 31.86/8.99 31.86/8.99 <<< 31.86/8.99 POL(c_{c_1}(x_1)) = [[0], [0]] + [[2, 0], [0, 0]] * x_1 31.86/8.99 >>> 31.86/8.99 31.86/8.99 With this ordering the following rules can be removed [MATRO] because they are oriented strictly: 31.86/8.99 Rules from R: 31.86/8.99 none 31.86/8.99 Rules from S: 31.86/8.99 31.86/8.99 c_{b_1}(b_{c_1}(c_{a_1}(a_{a_1}(x1)))) -> c_{a_1}(a_{c_1}(c_{b_1}(b_{a_1}(x1)))) 31.86/8.99 c_{b_1}(b_{c_1}(c_{a_1}(a_{b_1}(x1)))) -> c_{a_1}(a_{c_1}(c_{b_1}(b_{b_1}(x1)))) 31.86/8.99 31.86/8.99 31.86/8.99 31.86/8.99 31.86/8.99 ---------------------------------------- 31.86/8.99 31.86/8.99 (8) 31.86/8.99 Obligation: 31.86/8.99 Relative term rewrite system: 31.86/8.99 The relative TRS consists of the following R rules: 31.86/8.99 31.86/8.99 a_{a_1}(a_{c_1}(c_{b_1}(b_{a_1}(x1)))) -> a_{b_1}(b_{a_1}(a_{b_1}(b_{a_1}(x1)))) 31.86/8.99 a_{a_1}(a_{c_1}(c_{b_1}(b_{c_1}(x1)))) -> a_{b_1}(b_{a_1}(a_{b_1}(b_{c_1}(x1)))) 31.86/8.99 a_{a_1}(a_{c_1}(c_{b_1}(b_{b_1}(x1)))) -> a_{b_1}(b_{a_1}(a_{b_1}(b_{b_1}(x1)))) 31.86/8.99 c_{a_1}(a_{c_1}(c_{b_1}(b_{a_1}(x1)))) -> c_{b_1}(b_{a_1}(a_{b_1}(b_{a_1}(x1)))) 31.86/8.99 c_{a_1}(a_{c_1}(c_{b_1}(b_{c_1}(x1)))) -> c_{b_1}(b_{a_1}(a_{b_1}(b_{c_1}(x1)))) 31.86/8.99 c_{a_1}(a_{c_1}(c_{b_1}(b_{b_1}(x1)))) -> c_{b_1}(b_{a_1}(a_{b_1}(b_{b_1}(x1)))) 31.86/8.99 b_{a_1}(a_{c_1}(c_{b_1}(b_{a_1}(x1)))) -> b_{b_1}(b_{a_1}(a_{b_1}(b_{a_1}(x1)))) 31.86/8.99 b_{a_1}(a_{c_1}(c_{b_1}(b_{c_1}(x1)))) -> b_{b_1}(b_{a_1}(a_{b_1}(b_{c_1}(x1)))) 31.86/8.99 b_{a_1}(a_{c_1}(c_{b_1}(b_{b_1}(x1)))) -> b_{b_1}(b_{a_1}(a_{b_1}(b_{b_1}(x1)))) 31.86/8.99 31.86/8.99 The relative TRS consists of the following S rules: 31.86/8.99 31.86/8.99 a_{a_1}(a_{c_1}(c_{a_1}(x1))) -> a_{a_1}(a_{b_1}(b_{a_1}(x1))) 31.86/8.99 a_{a_1}(a_{c_1}(c_{c_1}(x1))) -> a_{a_1}(a_{b_1}(b_{c_1}(x1))) 31.86/8.99 a_{a_1}(a_{c_1}(c_{b_1}(x1))) -> a_{a_1}(a_{b_1}(b_{b_1}(x1))) 31.86/8.99 a_{b_1}(b_{a_1}(a_{c_1}(c_{a_1}(x1)))) -> a_{c_1}(c_{a_1}(a_{c_1}(c_{a_1}(x1)))) 31.86/8.99 a_{b_1}(b_{a_1}(a_{c_1}(c_{c_1}(x1)))) -> a_{c_1}(c_{a_1}(a_{c_1}(c_{c_1}(x1)))) 31.86/8.99 a_{b_1}(b_{a_1}(a_{c_1}(c_{b_1}(x1)))) -> a_{c_1}(c_{a_1}(a_{c_1}(c_{b_1}(x1)))) 31.86/8.99 c_{b_1}(b_{a_1}(a_{c_1}(c_{a_1}(x1)))) -> c_{c_1}(c_{a_1}(a_{c_1}(c_{a_1}(x1)))) 31.86/8.99 c_{b_1}(b_{a_1}(a_{c_1}(c_{c_1}(x1)))) -> c_{c_1}(c_{a_1}(a_{c_1}(c_{c_1}(x1)))) 31.86/8.99 c_{b_1}(b_{a_1}(a_{c_1}(c_{b_1}(x1)))) -> c_{c_1}(c_{a_1}(a_{c_1}(c_{b_1}(x1)))) 31.86/8.99 b_{b_1}(b_{a_1}(a_{c_1}(c_{a_1}(x1)))) -> b_{c_1}(c_{a_1}(a_{c_1}(c_{a_1}(x1)))) 31.86/8.99 b_{b_1}(b_{a_1}(a_{c_1}(c_{c_1}(x1)))) -> b_{c_1}(c_{a_1}(a_{c_1}(c_{c_1}(x1)))) 31.86/8.99 b_{b_1}(b_{a_1}(a_{c_1}(c_{b_1}(x1)))) -> b_{c_1}(c_{a_1}(a_{c_1}(c_{b_1}(x1)))) 31.86/8.99 a_{b_1}(b_{c_1}(c_{a_1}(a_{a_1}(x1)))) -> a_{a_1}(a_{c_1}(c_{b_1}(b_{a_1}(x1)))) 31.86/8.99 a_{b_1}(b_{c_1}(c_{a_1}(a_{c_1}(x1)))) -> a_{a_1}(a_{c_1}(c_{b_1}(b_{c_1}(x1)))) 31.86/8.99 a_{b_1}(b_{c_1}(c_{a_1}(a_{b_1}(x1)))) -> a_{a_1}(a_{c_1}(c_{b_1}(b_{b_1}(x1)))) 31.86/8.99 c_{b_1}(b_{c_1}(c_{a_1}(a_{c_1}(x1)))) -> c_{a_1}(a_{c_1}(c_{b_1}(b_{c_1}(x1)))) 31.86/8.99 b_{b_1}(b_{c_1}(c_{a_1}(a_{a_1}(x1)))) -> b_{a_1}(a_{c_1}(c_{b_1}(b_{a_1}(x1)))) 31.86/8.99 b_{b_1}(b_{c_1}(c_{a_1}(a_{c_1}(x1)))) -> b_{a_1}(a_{c_1}(c_{b_1}(b_{c_1}(x1)))) 31.86/8.99 b_{b_1}(b_{c_1}(c_{a_1}(a_{b_1}(x1)))) -> b_{a_1}(a_{c_1}(c_{b_1}(b_{b_1}(x1)))) 31.86/8.99 31.86/8.99 31.86/8.99 ---------------------------------------- 31.86/8.99 31.86/8.99 (9) RelTRSRRRProof (EQUIVALENT) 31.86/8.99 We used the following monotonic ordering for rule removal: 31.86/8.99 Matrix interpretation [MATRO] to (N^2, +, *, >=, >) : 31.86/8.99 31.86/8.99 <<< 31.86/8.99 POL(a_{a_1}(x_1)) = [[2], [0]] + [[2, 0], [0, 0]] * x_1 31.86/8.99 >>> 31.86/8.99 31.86/8.99 <<< 31.86/8.99 POL(a_{c_1}(x_1)) = [[0], [0]] + [[2, 0], [0, 0]] * x_1 31.86/8.99 >>> 31.86/8.99 31.86/8.99 <<< 31.86/8.99 POL(c_{b_1}(x_1)) = [[1], [0]] + [[2, 0], [0, 0]] * x_1 31.86/8.99 >>> 31.86/8.99 31.86/8.99 <<< 31.86/8.99 POL(b_{a_1}(x_1)) = [[2], [0]] + [[2, 0], [0, 0]] * x_1 31.86/8.99 >>> 31.86/8.99 31.86/8.99 <<< 31.86/8.99 POL(a_{b_1}(x_1)) = [[0], [0]] + [[2, 0], [0, 0]] * x_1 31.86/8.99 >>> 31.86/8.99 31.86/8.99 <<< 31.86/8.99 POL(b_{c_1}(x_1)) = [[0], [0]] + [[2, 0], [0, 0]] * x_1 31.86/8.99 >>> 31.86/8.99 31.86/8.99 <<< 31.86/8.99 POL(b_{b_1}(x_1)) = [[0], [0]] + [[2, 0], [0, 0]] * x_1 31.86/8.99 >>> 31.86/8.99 31.86/8.99 <<< 31.86/8.99 POL(c_{a_1}(x_1)) = [[2], [0]] + [[2, 0], [0, 0]] * x_1 31.86/8.99 >>> 31.86/8.99 31.86/8.99 <<< 31.86/8.99 POL(c_{c_1}(x_1)) = [[0], [0]] + [[2, 0], [0, 0]] * x_1 31.86/8.99 >>> 31.86/8.99 31.86/8.99 With this ordering the following rules can be removed [MATRO] because they are oriented strictly: 31.86/8.99 Rules from R: 31.86/8.99 31.86/8.99 a_{a_1}(a_{c_1}(c_{b_1}(b_{a_1}(x1)))) -> a_{b_1}(b_{a_1}(a_{b_1}(b_{a_1}(x1)))) 31.86/8.99 a_{a_1}(a_{c_1}(c_{b_1}(b_{c_1}(x1)))) -> a_{b_1}(b_{a_1}(a_{b_1}(b_{c_1}(x1)))) 31.86/8.99 a_{a_1}(a_{c_1}(c_{b_1}(b_{b_1}(x1)))) -> a_{b_1}(b_{a_1}(a_{b_1}(b_{b_1}(x1)))) 31.86/8.99 c_{a_1}(a_{c_1}(c_{b_1}(b_{a_1}(x1)))) -> c_{b_1}(b_{a_1}(a_{b_1}(b_{a_1}(x1)))) 31.86/8.99 c_{a_1}(a_{c_1}(c_{b_1}(b_{c_1}(x1)))) -> c_{b_1}(b_{a_1}(a_{b_1}(b_{c_1}(x1)))) 31.86/8.99 c_{a_1}(a_{c_1}(c_{b_1}(b_{b_1}(x1)))) -> c_{b_1}(b_{a_1}(a_{b_1}(b_{b_1}(x1)))) 31.86/8.99 b_{a_1}(a_{c_1}(c_{b_1}(b_{a_1}(x1)))) -> b_{b_1}(b_{a_1}(a_{b_1}(b_{a_1}(x1)))) 31.86/8.99 b_{a_1}(a_{c_1}(c_{b_1}(b_{c_1}(x1)))) -> b_{b_1}(b_{a_1}(a_{b_1}(b_{c_1}(x1)))) 31.86/8.99 b_{a_1}(a_{c_1}(c_{b_1}(b_{b_1}(x1)))) -> b_{b_1}(b_{a_1}(a_{b_1}(b_{b_1}(x1)))) 31.86/8.99 Rules from S: 31.86/8.99 31.86/8.99 a_{a_1}(a_{c_1}(c_{b_1}(x1))) -> a_{a_1}(a_{b_1}(b_{b_1}(x1))) 31.86/8.99 c_{b_1}(b_{a_1}(a_{c_1}(c_{a_1}(x1)))) -> c_{c_1}(c_{a_1}(a_{c_1}(c_{a_1}(x1)))) 31.86/8.99 c_{b_1}(b_{a_1}(a_{c_1}(c_{c_1}(x1)))) -> c_{c_1}(c_{a_1}(a_{c_1}(c_{c_1}(x1)))) 31.86/8.99 c_{b_1}(b_{a_1}(a_{c_1}(c_{b_1}(x1)))) -> c_{c_1}(c_{a_1}(a_{c_1}(c_{b_1}(x1)))) 31.86/8.99 a_{b_1}(b_{c_1}(c_{a_1}(a_{a_1}(x1)))) -> a_{a_1}(a_{c_1}(c_{b_1}(b_{a_1}(x1)))) 31.86/8.99 a_{b_1}(b_{c_1}(c_{a_1}(a_{c_1}(x1)))) -> a_{a_1}(a_{c_1}(c_{b_1}(b_{c_1}(x1)))) 31.86/8.99 a_{b_1}(b_{c_1}(c_{a_1}(a_{b_1}(x1)))) -> a_{a_1}(a_{c_1}(c_{b_1}(b_{b_1}(x1)))) 31.86/8.99 c_{b_1}(b_{c_1}(c_{a_1}(a_{c_1}(x1)))) -> c_{a_1}(a_{c_1}(c_{b_1}(b_{c_1}(x1)))) 31.86/8.99 b_{b_1}(b_{c_1}(c_{a_1}(a_{a_1}(x1)))) -> b_{a_1}(a_{c_1}(c_{b_1}(b_{a_1}(x1)))) 31.86/8.99 b_{b_1}(b_{c_1}(c_{a_1}(a_{c_1}(x1)))) -> b_{a_1}(a_{c_1}(c_{b_1}(b_{c_1}(x1)))) 31.86/8.99 b_{b_1}(b_{c_1}(c_{a_1}(a_{b_1}(x1)))) -> b_{a_1}(a_{c_1}(c_{b_1}(b_{b_1}(x1)))) 31.86/8.99 31.86/8.99 31.86/8.99 31.86/8.99 31.86/8.99 ---------------------------------------- 31.86/8.99 31.86/8.99 (10) 31.86/8.99 Obligation: 31.86/8.99 Relative term rewrite system: 31.86/8.99 R is empty. 31.86/8.99 The relative TRS consists of the following S rules: 31.86/8.99 31.86/8.99 a_{a_1}(a_{c_1}(c_{a_1}(x1))) -> a_{a_1}(a_{b_1}(b_{a_1}(x1))) 31.86/8.99 a_{a_1}(a_{c_1}(c_{c_1}(x1))) -> a_{a_1}(a_{b_1}(b_{c_1}(x1))) 31.86/8.99 a_{b_1}(b_{a_1}(a_{c_1}(c_{a_1}(x1)))) -> a_{c_1}(c_{a_1}(a_{c_1}(c_{a_1}(x1)))) 31.86/8.99 a_{b_1}(b_{a_1}(a_{c_1}(c_{c_1}(x1)))) -> a_{c_1}(c_{a_1}(a_{c_1}(c_{c_1}(x1)))) 31.86/8.99 a_{b_1}(b_{a_1}(a_{c_1}(c_{b_1}(x1)))) -> a_{c_1}(c_{a_1}(a_{c_1}(c_{b_1}(x1)))) 31.86/8.99 b_{b_1}(b_{a_1}(a_{c_1}(c_{a_1}(x1)))) -> b_{c_1}(c_{a_1}(a_{c_1}(c_{a_1}(x1)))) 31.86/8.99 b_{b_1}(b_{a_1}(a_{c_1}(c_{c_1}(x1)))) -> b_{c_1}(c_{a_1}(a_{c_1}(c_{c_1}(x1)))) 31.86/8.99 b_{b_1}(b_{a_1}(a_{c_1}(c_{b_1}(x1)))) -> b_{c_1}(c_{a_1}(a_{c_1}(c_{b_1}(x1)))) 31.86/8.99 31.86/8.99 31.86/8.99 ---------------------------------------- 31.86/8.99 31.86/8.99 (11) RIsEmptyProof (EQUIVALENT) 31.86/8.99 The TRS R is empty. Hence, termination is trivially proven. 31.86/8.99 ---------------------------------------- 31.86/8.99 31.86/8.99 (12) 31.86/8.99 YES 32.20/9.03 EOF