34.23/9.55 YES 34.23/9.57 proof of /export/starexec/sandbox2/benchmark/theBenchmark.xml 34.23/9.57 # AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty 34.23/9.57 34.23/9.57 34.23/9.57 Termination of the given RelTRS could be proven: 34.23/9.57 34.23/9.57 (0) RelTRS 34.23/9.57 (1) FlatCCProof [EQUIVALENT, 0 ms] 34.23/9.57 (2) RelTRS 34.23/9.57 (3) RootLabelingProof [EQUIVALENT, 0 ms] 34.23/9.57 (4) RelTRS 34.23/9.57 (5) RelTRSRRRProof [EQUIVALENT, 282 ms] 34.23/9.57 (6) RelTRS 34.23/9.57 (7) RelTRSRRRProof [EQUIVALENT, 101 ms] 34.23/9.57 (8) RelTRS 34.23/9.57 (9) RelTRSRRRProof [EQUIVALENT, 8 ms] 34.23/9.57 (10) RelTRS 34.23/9.57 (11) RIsEmptyProof [EQUIVALENT, 0 ms] 34.23/9.57 (12) YES 34.23/9.57 34.23/9.57 34.23/9.57 ---------------------------------------- 34.23/9.57 34.23/9.57 (0) 34.23/9.57 Obligation: 34.23/9.57 Relative term rewrite system: 34.23/9.57 The relative TRS consists of the following R rules: 34.23/9.57 34.23/9.57 a(a(x1)) -> x1 34.23/9.57 34.23/9.57 The relative TRS consists of the following S rules: 34.23/9.57 34.23/9.57 a(a(x1)) -> b(a(a(a(b(x1))))) 34.23/9.57 34.23/9.57 34.23/9.57 ---------------------------------------- 34.23/9.57 34.23/9.57 (1) FlatCCProof (EQUIVALENT) 34.23/9.57 We used flat context closure [ROOTLAB] 34.23/9.57 34.23/9.57 ---------------------------------------- 34.23/9.57 34.23/9.57 (2) 34.23/9.57 Obligation: 34.23/9.57 Relative term rewrite system: 34.23/9.57 The relative TRS consists of the following R rules: 34.23/9.57 34.23/9.57 a(a(a(x1))) -> a(x1) 34.23/9.57 b(a(a(x1))) -> b(x1) 34.23/9.57 34.23/9.57 The relative TRS consists of the following S rules: 34.23/9.57 34.23/9.57 a(a(a(x1))) -> a(b(a(a(a(b(x1)))))) 34.23/9.57 b(a(a(x1))) -> b(b(a(a(a(b(x1)))))) 34.23/9.57 34.23/9.57 34.23/9.57 ---------------------------------------- 34.23/9.57 34.23/9.57 (3) RootLabelingProof (EQUIVALENT) 34.23/9.57 We used plain root labeling [ROOTLAB] with the following heuristic: 34.23/9.57 LabelAll: All function symbols get labeled 34.23/9.57 34.23/9.57 34.23/9.57 ---------------------------------------- 34.23/9.57 34.23/9.57 (4) 34.23/9.57 Obligation: 34.23/9.57 Relative term rewrite system: 34.23/9.57 The relative TRS consists of the following R rules: 34.23/9.57 34.23/9.57 a_{a_1}(a_{a_1}(a_{a_1}(x1))) -> a_{a_1}(x1) 34.23/9.57 a_{a_1}(a_{a_1}(a_{b_1}(x1))) -> a_{b_1}(x1) 34.23/9.57 b_{a_1}(a_{a_1}(a_{a_1}(x1))) -> b_{a_1}(x1) 34.23/9.57 b_{a_1}(a_{a_1}(a_{b_1}(x1))) -> b_{b_1}(x1) 34.23/9.57 34.23/9.57 The relative TRS consists of the following S rules: 34.23/9.57 34.23/9.57 a_{a_1}(a_{a_1}(a_{a_1}(x1))) -> a_{b_1}(b_{a_1}(a_{a_1}(a_{a_1}(a_{b_1}(b_{a_1}(x1)))))) 34.23/9.57 a_{a_1}(a_{a_1}(a_{b_1}(x1))) -> a_{b_1}(b_{a_1}(a_{a_1}(a_{a_1}(a_{b_1}(b_{b_1}(x1)))))) 34.23/9.57 b_{a_1}(a_{a_1}(a_{a_1}(x1))) -> b_{b_1}(b_{a_1}(a_{a_1}(a_{a_1}(a_{b_1}(b_{a_1}(x1)))))) 34.23/9.57 b_{a_1}(a_{a_1}(a_{b_1}(x1))) -> b_{b_1}(b_{a_1}(a_{a_1}(a_{a_1}(a_{b_1}(b_{b_1}(x1)))))) 34.23/9.57 34.23/9.57 34.23/9.57 ---------------------------------------- 34.23/9.57 34.23/9.57 (5) RelTRSRRRProof (EQUIVALENT) 34.23/9.57 We used the following monotonic ordering for rule removal: 34.23/9.57 Matrix interpretation [MATRO] to (N^3, +, *, >=, >) : 34.23/9.57 34.23/9.57 <<< 34.23/9.57 POL(a_{a_1}(x_1)) = [[0], [0], [1]] + [[1, 1, 0], [0, 0, 1], [0, 0, 1]] * x_1 34.23/9.57 >>> 34.23/9.57 34.23/9.57 <<< 34.23/9.57 POL(a_{b_1}(x_1)) = [[0], [0], [0]] + [[1, 0, 0], [0, 0, 0], [0, 0, 0]] * x_1 34.23/9.57 >>> 34.23/9.57 34.23/9.57 <<< 34.23/9.57 POL(b_{a_1}(x_1)) = [[0], [0], [0]] + [[1, 0, 0], [0, 0, 0], [0, 0, 0]] * x_1 34.23/9.57 >>> 34.23/9.57 34.23/9.57 <<< 34.23/9.57 POL(b_{b_1}(x_1)) = [[0], [0], [0]] + [[1, 0, 0], [0, 0, 0], [0, 0, 0]] * x_1 34.23/9.57 >>> 34.23/9.57 34.23/9.57 With this ordering the following rules can be removed [MATRO] because they are oriented strictly: 34.23/9.57 Rules from R: 34.23/9.57 34.23/9.57 a_{a_1}(a_{a_1}(a_{a_1}(x1))) -> a_{a_1}(x1) 34.23/9.57 Rules from S: 34.23/9.57 34.23/9.57 a_{a_1}(a_{a_1}(a_{a_1}(x1))) -> a_{b_1}(b_{a_1}(a_{a_1}(a_{a_1}(a_{b_1}(b_{a_1}(x1)))))) 34.23/9.57 34.23/9.57 34.23/9.57 34.23/9.57 34.23/9.57 ---------------------------------------- 34.23/9.57 34.23/9.57 (6) 34.23/9.57 Obligation: 34.23/9.57 Relative term rewrite system: 34.23/9.57 The relative TRS consists of the following R rules: 34.23/9.57 34.23/9.57 a_{a_1}(a_{a_1}(a_{b_1}(x1))) -> a_{b_1}(x1) 34.23/9.57 b_{a_1}(a_{a_1}(a_{a_1}(x1))) -> b_{a_1}(x1) 34.23/9.57 b_{a_1}(a_{a_1}(a_{b_1}(x1))) -> b_{b_1}(x1) 34.23/9.57 34.23/9.57 The relative TRS consists of the following S rules: 34.23/9.57 34.23/9.57 a_{a_1}(a_{a_1}(a_{b_1}(x1))) -> a_{b_1}(b_{a_1}(a_{a_1}(a_{a_1}(a_{b_1}(b_{b_1}(x1)))))) 34.23/9.57 b_{a_1}(a_{a_1}(a_{a_1}(x1))) -> b_{b_1}(b_{a_1}(a_{a_1}(a_{a_1}(a_{b_1}(b_{a_1}(x1)))))) 34.23/9.57 b_{a_1}(a_{a_1}(a_{b_1}(x1))) -> b_{b_1}(b_{a_1}(a_{a_1}(a_{a_1}(a_{b_1}(b_{b_1}(x1)))))) 34.23/9.57 34.23/9.57 34.23/9.57 ---------------------------------------- 34.23/9.57 34.23/9.57 (7) RelTRSRRRProof (EQUIVALENT) 34.23/9.57 We used the following monotonic ordering for rule removal: 34.23/9.57 Matrix interpretation [MATRO] to (N^3, +, *, >=, >) : 34.23/9.57 34.23/9.57 <<< 34.23/9.57 POL(a_{a_1}(x_1)) = [[0], [0], [0]] + [[1, 0, 0], [0, 0, 1], [0, 1, 0]] * x_1 34.23/9.57 >>> 34.23/9.57 34.23/9.57 <<< 34.23/9.57 POL(a_{b_1}(x_1)) = [[0], [1], [0]] + [[1, 0, 0], [0, 0, 0], [0, 0, 0]] * x_1 34.23/9.57 >>> 34.23/9.57 34.23/9.57 <<< 34.23/9.57 POL(b_{a_1}(x_1)) = [[0], [0], [0]] + [[1, 0, 1], [0, 0, 0], [0, 0, 0]] * x_1 34.23/9.57 >>> 34.23/9.57 34.23/9.57 <<< 34.23/9.57 POL(b_{b_1}(x_1)) = [[0], [0], [0]] + [[1, 0, 0], [0, 0, 0], [0, 0, 0]] * x_1 34.23/9.57 >>> 34.23/9.57 34.23/9.57 With this ordering the following rules can be removed [MATRO] because they are oriented strictly: 34.23/9.57 Rules from R: 34.23/9.57 34.23/9.57 b_{a_1}(a_{a_1}(a_{b_1}(x1))) -> b_{b_1}(x1) 34.23/9.57 Rules from S: 34.23/9.57 34.23/9.57 b_{a_1}(a_{a_1}(a_{b_1}(x1))) -> b_{b_1}(b_{a_1}(a_{a_1}(a_{a_1}(a_{b_1}(b_{b_1}(x1)))))) 34.23/9.57 34.23/9.57 34.23/9.57 34.23/9.57 34.23/9.57 ---------------------------------------- 34.23/9.57 34.23/9.57 (8) 34.23/9.57 Obligation: 34.23/9.57 Relative term rewrite system: 34.23/9.57 The relative TRS consists of the following R rules: 34.23/9.57 34.23/9.57 a_{a_1}(a_{a_1}(a_{b_1}(x1))) -> a_{b_1}(x1) 34.23/9.57 b_{a_1}(a_{a_1}(a_{a_1}(x1))) -> b_{a_1}(x1) 34.23/9.57 34.23/9.57 The relative TRS consists of the following S rules: 34.23/9.57 34.23/9.57 a_{a_1}(a_{a_1}(a_{b_1}(x1))) -> a_{b_1}(b_{a_1}(a_{a_1}(a_{a_1}(a_{b_1}(b_{b_1}(x1)))))) 34.23/9.57 b_{a_1}(a_{a_1}(a_{a_1}(x1))) -> b_{b_1}(b_{a_1}(a_{a_1}(a_{a_1}(a_{b_1}(b_{a_1}(x1)))))) 34.23/9.57 34.23/9.57 34.23/9.57 ---------------------------------------- 34.23/9.57 34.23/9.57 (9) RelTRSRRRProof (EQUIVALENT) 34.23/9.57 We used the following monotonic ordering for rule removal: 34.23/9.57 Polynomial interpretation [POLO]: 34.23/9.57 34.23/9.57 POL(a_{a_1}(x_1)) = 1 + x_1 34.23/9.57 POL(a_{b_1}(x_1)) = x_1 34.23/9.57 POL(b_{a_1}(x_1)) = x_1 34.23/9.57 POL(b_{b_1}(x_1)) = x_1 34.23/9.57 With this ordering the following rules can be removed [MATRO] because they are oriented strictly: 34.23/9.57 Rules from R: 34.23/9.57 34.23/9.57 a_{a_1}(a_{a_1}(a_{b_1}(x1))) -> a_{b_1}(x1) 34.23/9.57 b_{a_1}(a_{a_1}(a_{a_1}(x1))) -> b_{a_1}(x1) 34.23/9.57 Rules from S: 34.23/9.57 none 34.23/9.57 34.23/9.57 34.23/9.57 34.23/9.57 34.23/9.57 ---------------------------------------- 34.23/9.57 34.23/9.57 (10) 34.23/9.57 Obligation: 34.23/9.57 Relative term rewrite system: 34.23/9.57 R is empty. 34.23/9.57 The relative TRS consists of the following S rules: 34.23/9.57 34.23/9.57 a_{a_1}(a_{a_1}(a_{b_1}(x1))) -> a_{b_1}(b_{a_1}(a_{a_1}(a_{a_1}(a_{b_1}(b_{b_1}(x1)))))) 34.23/9.57 b_{a_1}(a_{a_1}(a_{a_1}(x1))) -> b_{b_1}(b_{a_1}(a_{a_1}(a_{a_1}(a_{b_1}(b_{a_1}(x1)))))) 34.23/9.57 34.23/9.57 34.23/9.57 ---------------------------------------- 34.23/9.57 34.23/9.57 (11) RIsEmptyProof (EQUIVALENT) 34.23/9.57 The TRS R is empty. Hence, termination is trivially proven. 34.23/9.57 ---------------------------------------- 34.23/9.57 34.23/9.57 (12) 34.23/9.57 YES 36.29/10.11 EOF