62.01/16.72 YES 62.18/16.76 proof of /export/starexec/sandbox2/benchmark/theBenchmark.xml 62.18/16.76 # AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty 62.18/16.76 62.18/16.76 62.18/16.76 Termination w.r.t. Q of the given QTRS could be proven: 62.18/16.76 62.18/16.76 (0) QTRS 62.18/16.76 (1) QTRS Reverse [EQUIVALENT, 0 ms] 62.18/16.76 (2) QTRS 62.18/16.76 (3) FlatCCProof [EQUIVALENT, 0 ms] 62.18/16.76 (4) QTRS 62.18/16.76 (5) RootLabelingProof [EQUIVALENT, 0 ms] 62.18/16.76 (6) QTRS 62.18/16.76 (7) DependencyPairsProof [EQUIVALENT, 31 ms] 62.18/16.76 (8) QDP 62.18/16.76 (9) QDPOrderProof [EQUIVALENT, 96 ms] 62.18/16.76 (10) QDP 62.18/16.76 (11) QDPOrderProof [EQUIVALENT, 115 ms] 62.18/16.76 (12) QDP 62.18/16.76 (13) QDPOrderProof [EQUIVALENT, 325 ms] 62.18/16.76 (14) QDP 62.18/16.76 (15) PisEmptyProof [EQUIVALENT, 0 ms] 62.18/16.76 (16) YES 62.18/16.76 62.18/16.76 62.18/16.76 ---------------------------------------- 62.18/16.76 62.18/16.76 (0) 62.18/16.76 Obligation: 62.18/16.76 Q restricted rewrite system: 62.18/16.76 The TRS R consists of the following rules: 62.18/16.76 62.18/16.76 a(b(a(a(x1)))) -> a(a(b(a(x1)))) 62.18/16.76 b(a(a(b(x1)))) -> b(b(b(b(x1)))) 62.18/16.76 b(a(a(b(x1)))) -> a(a(a(b(x1)))) 62.18/16.76 a(b(b(a(x1)))) -> b(a(a(b(x1)))) 62.18/16.76 62.18/16.76 Q is empty. 62.18/16.76 62.18/16.76 ---------------------------------------- 62.18/16.76 62.18/16.76 (1) QTRS Reverse (EQUIVALENT) 62.18/16.76 We applied the QTRS Reverse Processor [REVERSE]. 62.18/16.76 ---------------------------------------- 62.18/16.76 62.18/16.76 (2) 62.18/16.76 Obligation: 62.18/16.76 Q restricted rewrite system: 62.18/16.76 The TRS R consists of the following rules: 62.18/16.76 62.18/16.76 a(a(b(a(x1)))) -> a(b(a(a(x1)))) 62.18/16.76 b(a(a(b(x1)))) -> b(b(b(b(x1)))) 62.18/16.76 b(a(a(b(x1)))) -> b(a(a(a(x1)))) 62.18/16.76 a(b(b(a(x1)))) -> b(a(a(b(x1)))) 62.18/16.76 62.18/16.76 Q is empty. 62.18/16.76 62.18/16.76 ---------------------------------------- 62.18/16.76 62.18/16.76 (3) FlatCCProof (EQUIVALENT) 62.18/16.76 We used flat context closure [ROOTLAB] 62.18/16.76 As Q is empty the flat context closure was sound AND complete. 62.18/16.76 62.18/16.76 ---------------------------------------- 62.18/16.76 62.18/16.76 (4) 62.18/16.76 Obligation: 62.18/16.76 Q restricted rewrite system: 62.18/16.76 The TRS R consists of the following rules: 62.18/16.76 62.18/16.76 a(a(b(a(x1)))) -> a(b(a(a(x1)))) 62.18/16.76 b(a(a(b(x1)))) -> b(b(b(b(x1)))) 62.18/16.76 b(a(a(b(x1)))) -> b(a(a(a(x1)))) 62.18/16.76 a(a(b(b(a(x1))))) -> a(b(a(a(b(x1))))) 62.18/16.76 b(a(b(b(a(x1))))) -> b(b(a(a(b(x1))))) 62.18/16.76 62.18/16.76 Q is empty. 62.18/16.76 62.18/16.76 ---------------------------------------- 62.18/16.76 62.18/16.76 (5) RootLabelingProof (EQUIVALENT) 62.18/16.76 We used plain root labeling [ROOTLAB] with the following heuristic: 62.18/16.76 LabelAll: All function symbols get labeled 62.18/16.76 62.18/16.76 As Q is empty the root labeling was sound AND complete. 62.18/16.76 62.18/16.76 ---------------------------------------- 62.18/16.76 62.18/16.76 (6) 62.18/16.76 Obligation: 62.18/16.76 Q restricted rewrite system: 62.18/16.76 The TRS R consists of the following rules: 62.18/16.76 62.18/16.76 a_{a_1}(a_{b_1}(b_{a_1}(a_{a_1}(x1)))) -> a_{b_1}(b_{a_1}(a_{a_1}(a_{a_1}(x1)))) 62.18/16.76 a_{a_1}(a_{b_1}(b_{a_1}(a_{b_1}(x1)))) -> a_{b_1}(b_{a_1}(a_{a_1}(a_{b_1}(x1)))) 62.18/16.76 b_{a_1}(a_{a_1}(a_{b_1}(b_{a_1}(x1)))) -> b_{b_1}(b_{b_1}(b_{b_1}(b_{a_1}(x1)))) 62.18/16.76 b_{a_1}(a_{a_1}(a_{b_1}(b_{b_1}(x1)))) -> b_{b_1}(b_{b_1}(b_{b_1}(b_{b_1}(x1)))) 62.18/16.76 b_{a_1}(a_{a_1}(a_{b_1}(b_{a_1}(x1)))) -> b_{a_1}(a_{a_1}(a_{a_1}(a_{a_1}(x1)))) 62.18/16.76 b_{a_1}(a_{a_1}(a_{b_1}(b_{b_1}(x1)))) -> b_{a_1}(a_{a_1}(a_{a_1}(a_{b_1}(x1)))) 62.18/16.76 a_{a_1}(a_{b_1}(b_{b_1}(b_{a_1}(a_{a_1}(x1))))) -> a_{b_1}(b_{a_1}(a_{a_1}(a_{b_1}(b_{a_1}(x1))))) 62.18/16.76 a_{a_1}(a_{b_1}(b_{b_1}(b_{a_1}(a_{b_1}(x1))))) -> a_{b_1}(b_{a_1}(a_{a_1}(a_{b_1}(b_{b_1}(x1))))) 62.18/16.76 b_{a_1}(a_{b_1}(b_{b_1}(b_{a_1}(a_{a_1}(x1))))) -> b_{b_1}(b_{a_1}(a_{a_1}(a_{b_1}(b_{a_1}(x1))))) 62.18/16.76 b_{a_1}(a_{b_1}(b_{b_1}(b_{a_1}(a_{b_1}(x1))))) -> b_{b_1}(b_{a_1}(a_{a_1}(a_{b_1}(b_{b_1}(x1))))) 62.18/16.76 62.18/16.76 Q is empty. 62.18/16.76 62.18/16.76 ---------------------------------------- 62.18/16.76 62.18/16.76 (7) DependencyPairsProof (EQUIVALENT) 62.18/16.76 Using Dependency Pairs [AG00,LPAR04] we result in the following initial DP problem. 62.18/16.76 ---------------------------------------- 62.18/16.76 62.18/16.76 (8) 62.18/16.76 Obligation: 62.18/16.76 Q DP problem: 62.18/16.76 The TRS P consists of the following rules: 62.18/16.76 62.18/16.76 A_{A_1}(a_{b_1}(b_{a_1}(a_{a_1}(x1)))) -> B_{A_1}(a_{a_1}(a_{a_1}(x1))) 62.18/16.76 A_{A_1}(a_{b_1}(b_{a_1}(a_{a_1}(x1)))) -> A_{A_1}(a_{a_1}(x1)) 62.18/16.76 A_{A_1}(a_{b_1}(b_{a_1}(a_{b_1}(x1)))) -> B_{A_1}(a_{a_1}(a_{b_1}(x1))) 62.18/16.76 A_{A_1}(a_{b_1}(b_{a_1}(a_{b_1}(x1)))) -> A_{A_1}(a_{b_1}(x1)) 62.18/16.76 B_{A_1}(a_{a_1}(a_{b_1}(b_{a_1}(x1)))) -> B_{A_1}(a_{a_1}(a_{a_1}(a_{a_1}(x1)))) 62.18/16.76 B_{A_1}(a_{a_1}(a_{b_1}(b_{a_1}(x1)))) -> A_{A_1}(a_{a_1}(a_{a_1}(x1))) 62.18/16.76 B_{A_1}(a_{a_1}(a_{b_1}(b_{a_1}(x1)))) -> A_{A_1}(a_{a_1}(x1)) 62.18/16.76 B_{A_1}(a_{a_1}(a_{b_1}(b_{a_1}(x1)))) -> A_{A_1}(x1) 62.18/16.76 B_{A_1}(a_{a_1}(a_{b_1}(b_{b_1}(x1)))) -> B_{A_1}(a_{a_1}(a_{a_1}(a_{b_1}(x1)))) 62.18/16.76 B_{A_1}(a_{a_1}(a_{b_1}(b_{b_1}(x1)))) -> A_{A_1}(a_{a_1}(a_{b_1}(x1))) 62.18/16.76 B_{A_1}(a_{a_1}(a_{b_1}(b_{b_1}(x1)))) -> A_{A_1}(a_{b_1}(x1)) 62.18/16.76 A_{A_1}(a_{b_1}(b_{b_1}(b_{a_1}(a_{a_1}(x1))))) -> B_{A_1}(a_{a_1}(a_{b_1}(b_{a_1}(x1)))) 62.18/16.76 A_{A_1}(a_{b_1}(b_{b_1}(b_{a_1}(a_{a_1}(x1))))) -> A_{A_1}(a_{b_1}(b_{a_1}(x1))) 62.18/16.76 A_{A_1}(a_{b_1}(b_{b_1}(b_{a_1}(a_{a_1}(x1))))) -> B_{A_1}(x1) 62.18/16.76 A_{A_1}(a_{b_1}(b_{b_1}(b_{a_1}(a_{b_1}(x1))))) -> B_{A_1}(a_{a_1}(a_{b_1}(b_{b_1}(x1)))) 62.18/16.76 A_{A_1}(a_{b_1}(b_{b_1}(b_{a_1}(a_{b_1}(x1))))) -> A_{A_1}(a_{b_1}(b_{b_1}(x1))) 62.18/16.76 B_{A_1}(a_{b_1}(b_{b_1}(b_{a_1}(a_{a_1}(x1))))) -> B_{A_1}(a_{a_1}(a_{b_1}(b_{a_1}(x1)))) 62.18/16.76 B_{A_1}(a_{b_1}(b_{b_1}(b_{a_1}(a_{a_1}(x1))))) -> A_{A_1}(a_{b_1}(b_{a_1}(x1))) 62.18/16.76 B_{A_1}(a_{b_1}(b_{b_1}(b_{a_1}(a_{a_1}(x1))))) -> B_{A_1}(x1) 62.18/16.76 B_{A_1}(a_{b_1}(b_{b_1}(b_{a_1}(a_{b_1}(x1))))) -> B_{A_1}(a_{a_1}(a_{b_1}(b_{b_1}(x1)))) 62.18/16.76 B_{A_1}(a_{b_1}(b_{b_1}(b_{a_1}(a_{b_1}(x1))))) -> A_{A_1}(a_{b_1}(b_{b_1}(x1))) 62.18/16.76 62.18/16.76 The TRS R consists of the following rules: 62.18/16.76 62.18/16.76 a_{a_1}(a_{b_1}(b_{a_1}(a_{a_1}(x1)))) -> a_{b_1}(b_{a_1}(a_{a_1}(a_{a_1}(x1)))) 62.18/16.76 a_{a_1}(a_{b_1}(b_{a_1}(a_{b_1}(x1)))) -> a_{b_1}(b_{a_1}(a_{a_1}(a_{b_1}(x1)))) 62.18/16.76 b_{a_1}(a_{a_1}(a_{b_1}(b_{a_1}(x1)))) -> b_{b_1}(b_{b_1}(b_{b_1}(b_{a_1}(x1)))) 62.18/16.76 b_{a_1}(a_{a_1}(a_{b_1}(b_{b_1}(x1)))) -> b_{b_1}(b_{b_1}(b_{b_1}(b_{b_1}(x1)))) 62.18/16.76 b_{a_1}(a_{a_1}(a_{b_1}(b_{a_1}(x1)))) -> b_{a_1}(a_{a_1}(a_{a_1}(a_{a_1}(x1)))) 62.18/16.76 b_{a_1}(a_{a_1}(a_{b_1}(b_{b_1}(x1)))) -> b_{a_1}(a_{a_1}(a_{a_1}(a_{b_1}(x1)))) 62.18/16.76 a_{a_1}(a_{b_1}(b_{b_1}(b_{a_1}(a_{a_1}(x1))))) -> a_{b_1}(b_{a_1}(a_{a_1}(a_{b_1}(b_{a_1}(x1))))) 62.18/16.76 a_{a_1}(a_{b_1}(b_{b_1}(b_{a_1}(a_{b_1}(x1))))) -> a_{b_1}(b_{a_1}(a_{a_1}(a_{b_1}(b_{b_1}(x1))))) 62.18/16.76 b_{a_1}(a_{b_1}(b_{b_1}(b_{a_1}(a_{a_1}(x1))))) -> b_{b_1}(b_{a_1}(a_{a_1}(a_{b_1}(b_{a_1}(x1))))) 62.18/16.76 b_{a_1}(a_{b_1}(b_{b_1}(b_{a_1}(a_{b_1}(x1))))) -> b_{b_1}(b_{a_1}(a_{a_1}(a_{b_1}(b_{b_1}(x1))))) 62.18/16.76 62.18/16.76 Q is empty. 62.18/16.76 We have to consider all minimal (P,Q,R)-chains. 62.18/16.76 ---------------------------------------- 62.18/16.76 62.18/16.76 (9) QDPOrderProof (EQUIVALENT) 62.18/16.76 We use the reduction pair processor [LPAR04,JAR06]. 62.18/16.76 62.18/16.76 62.18/16.76 The following pairs can be oriented strictly and are deleted. 62.18/16.76 62.18/16.76 A_{A_1}(a_{b_1}(b_{a_1}(a_{a_1}(x1)))) -> B_{A_1}(a_{a_1}(a_{a_1}(x1))) 62.18/16.76 A_{A_1}(a_{b_1}(b_{a_1}(a_{a_1}(x1)))) -> A_{A_1}(a_{a_1}(x1)) 62.18/16.76 A_{A_1}(a_{b_1}(b_{a_1}(a_{b_1}(x1)))) -> B_{A_1}(a_{a_1}(a_{b_1}(x1))) 62.18/16.76 A_{A_1}(a_{b_1}(b_{a_1}(a_{b_1}(x1)))) -> A_{A_1}(a_{b_1}(x1)) 62.18/16.76 B_{A_1}(a_{a_1}(a_{b_1}(b_{a_1}(x1)))) -> A_{A_1}(a_{a_1}(a_{a_1}(x1))) 62.18/16.76 B_{A_1}(a_{a_1}(a_{b_1}(b_{a_1}(x1)))) -> A_{A_1}(a_{a_1}(x1)) 62.18/16.76 B_{A_1}(a_{a_1}(a_{b_1}(b_{a_1}(x1)))) -> A_{A_1}(x1) 62.18/16.76 B_{A_1}(a_{a_1}(a_{b_1}(b_{b_1}(x1)))) -> A_{A_1}(a_{a_1}(a_{b_1}(x1))) 62.18/16.76 B_{A_1}(a_{a_1}(a_{b_1}(b_{b_1}(x1)))) -> A_{A_1}(a_{b_1}(x1)) 62.18/16.76 A_{A_1}(a_{b_1}(b_{b_1}(b_{a_1}(a_{a_1}(x1))))) -> B_{A_1}(a_{a_1}(a_{b_1}(b_{a_1}(x1)))) 62.18/16.76 A_{A_1}(a_{b_1}(b_{b_1}(b_{a_1}(a_{a_1}(x1))))) -> A_{A_1}(a_{b_1}(b_{a_1}(x1))) 62.18/16.76 A_{A_1}(a_{b_1}(b_{b_1}(b_{a_1}(a_{a_1}(x1))))) -> B_{A_1}(x1) 62.18/16.76 A_{A_1}(a_{b_1}(b_{b_1}(b_{a_1}(a_{b_1}(x1))))) -> B_{A_1}(a_{a_1}(a_{b_1}(b_{b_1}(x1)))) 62.18/16.76 A_{A_1}(a_{b_1}(b_{b_1}(b_{a_1}(a_{b_1}(x1))))) -> A_{A_1}(a_{b_1}(b_{b_1}(x1))) 62.18/16.76 B_{A_1}(a_{b_1}(b_{b_1}(b_{a_1}(a_{a_1}(x1))))) -> B_{A_1}(a_{a_1}(a_{b_1}(b_{a_1}(x1)))) 62.18/16.76 B_{A_1}(a_{b_1}(b_{b_1}(b_{a_1}(a_{a_1}(x1))))) -> A_{A_1}(a_{b_1}(b_{a_1}(x1))) 62.18/16.76 B_{A_1}(a_{b_1}(b_{b_1}(b_{a_1}(a_{a_1}(x1))))) -> B_{A_1}(x1) 62.18/16.76 B_{A_1}(a_{b_1}(b_{b_1}(b_{a_1}(a_{b_1}(x1))))) -> B_{A_1}(a_{a_1}(a_{b_1}(b_{b_1}(x1)))) 62.18/16.76 B_{A_1}(a_{b_1}(b_{b_1}(b_{a_1}(a_{b_1}(x1))))) -> A_{A_1}(a_{b_1}(b_{b_1}(x1))) 62.18/16.76 The remaining pairs can at least be oriented weakly. 62.18/16.76 Used ordering: Polynomial interpretation [POLO]: 62.18/16.76 62.18/16.76 POL(A_{A_1}(x_1)) = x_1 62.18/16.76 POL(B_{A_1}(x_1)) = x_1 62.18/16.76 POL(a_{a_1}(x_1)) = 1 + x_1 62.18/16.76 POL(a_{b_1}(x_1)) = 1 + x_1 62.18/16.76 POL(b_{a_1}(x_1)) = 1 + x_1 62.18/16.76 POL(b_{b_1}(x_1)) = 1 + x_1 62.18/16.76 62.18/16.76 The following usable rules [FROCOS05] with respect to the argument filtering of the ordering [JAR06] were oriented: 62.18/16.76 62.18/16.76 a_{a_1}(a_{b_1}(b_{a_1}(a_{a_1}(x1)))) -> a_{b_1}(b_{a_1}(a_{a_1}(a_{a_1}(x1)))) 62.18/16.76 a_{a_1}(a_{b_1}(b_{a_1}(a_{b_1}(x1)))) -> a_{b_1}(b_{a_1}(a_{a_1}(a_{b_1}(x1)))) 62.18/16.76 a_{a_1}(a_{b_1}(b_{b_1}(b_{a_1}(a_{a_1}(x1))))) -> a_{b_1}(b_{a_1}(a_{a_1}(a_{b_1}(b_{a_1}(x1))))) 62.18/16.76 a_{a_1}(a_{b_1}(b_{b_1}(b_{a_1}(a_{b_1}(x1))))) -> a_{b_1}(b_{a_1}(a_{a_1}(a_{b_1}(b_{b_1}(x1))))) 62.18/16.76 b_{a_1}(a_{a_1}(a_{b_1}(b_{a_1}(x1)))) -> b_{b_1}(b_{b_1}(b_{b_1}(b_{a_1}(x1)))) 62.18/16.76 b_{a_1}(a_{a_1}(a_{b_1}(b_{b_1}(x1)))) -> b_{b_1}(b_{b_1}(b_{b_1}(b_{b_1}(x1)))) 62.18/16.76 b_{a_1}(a_{a_1}(a_{b_1}(b_{b_1}(x1)))) -> b_{a_1}(a_{a_1}(a_{a_1}(a_{b_1}(x1)))) 62.18/16.76 b_{a_1}(a_{a_1}(a_{b_1}(b_{a_1}(x1)))) -> b_{a_1}(a_{a_1}(a_{a_1}(a_{a_1}(x1)))) 62.18/16.76 b_{a_1}(a_{b_1}(b_{b_1}(b_{a_1}(a_{a_1}(x1))))) -> b_{b_1}(b_{a_1}(a_{a_1}(a_{b_1}(b_{a_1}(x1))))) 62.18/16.76 b_{a_1}(a_{b_1}(b_{b_1}(b_{a_1}(a_{b_1}(x1))))) -> b_{b_1}(b_{a_1}(a_{a_1}(a_{b_1}(b_{b_1}(x1))))) 62.18/16.76 62.18/16.76 62.18/16.76 ---------------------------------------- 62.18/16.76 62.18/16.76 (10) 62.18/16.76 Obligation: 62.18/16.76 Q DP problem: 62.18/16.76 The TRS P consists of the following rules: 62.18/16.76 62.18/16.76 B_{A_1}(a_{a_1}(a_{b_1}(b_{a_1}(x1)))) -> B_{A_1}(a_{a_1}(a_{a_1}(a_{a_1}(x1)))) 62.18/16.76 B_{A_1}(a_{a_1}(a_{b_1}(b_{b_1}(x1)))) -> B_{A_1}(a_{a_1}(a_{a_1}(a_{b_1}(x1)))) 62.18/16.76 62.18/16.76 The TRS R consists of the following rules: 62.18/16.76 62.18/16.76 a_{a_1}(a_{b_1}(b_{a_1}(a_{a_1}(x1)))) -> a_{b_1}(b_{a_1}(a_{a_1}(a_{a_1}(x1)))) 62.18/16.76 a_{a_1}(a_{b_1}(b_{a_1}(a_{b_1}(x1)))) -> a_{b_1}(b_{a_1}(a_{a_1}(a_{b_1}(x1)))) 62.18/16.76 b_{a_1}(a_{a_1}(a_{b_1}(b_{a_1}(x1)))) -> b_{b_1}(b_{b_1}(b_{b_1}(b_{a_1}(x1)))) 62.18/16.76 b_{a_1}(a_{a_1}(a_{b_1}(b_{b_1}(x1)))) -> b_{b_1}(b_{b_1}(b_{b_1}(b_{b_1}(x1)))) 62.18/16.76 b_{a_1}(a_{a_1}(a_{b_1}(b_{a_1}(x1)))) -> b_{a_1}(a_{a_1}(a_{a_1}(a_{a_1}(x1)))) 62.18/16.76 b_{a_1}(a_{a_1}(a_{b_1}(b_{b_1}(x1)))) -> b_{a_1}(a_{a_1}(a_{a_1}(a_{b_1}(x1)))) 62.18/16.76 a_{a_1}(a_{b_1}(b_{b_1}(b_{a_1}(a_{a_1}(x1))))) -> a_{b_1}(b_{a_1}(a_{a_1}(a_{b_1}(b_{a_1}(x1))))) 62.18/16.76 a_{a_1}(a_{b_1}(b_{b_1}(b_{a_1}(a_{b_1}(x1))))) -> a_{b_1}(b_{a_1}(a_{a_1}(a_{b_1}(b_{b_1}(x1))))) 62.18/16.76 b_{a_1}(a_{b_1}(b_{b_1}(b_{a_1}(a_{a_1}(x1))))) -> b_{b_1}(b_{a_1}(a_{a_1}(a_{b_1}(b_{a_1}(x1))))) 62.18/16.76 b_{a_1}(a_{b_1}(b_{b_1}(b_{a_1}(a_{b_1}(x1))))) -> b_{b_1}(b_{a_1}(a_{a_1}(a_{b_1}(b_{b_1}(x1))))) 62.18/16.76 62.18/16.76 Q is empty. 62.18/16.76 We have to consider all minimal (P,Q,R)-chains. 62.18/16.76 ---------------------------------------- 62.18/16.76 62.18/16.76 (11) QDPOrderProof (EQUIVALENT) 62.18/16.76 We use the reduction pair processor [LPAR04,JAR06]. 62.18/16.76 62.18/16.76 62.18/16.76 The following pairs can be oriented strictly and are deleted. 62.18/16.76 62.18/16.76 B_{A_1}(a_{a_1}(a_{b_1}(b_{a_1}(x1)))) -> B_{A_1}(a_{a_1}(a_{a_1}(a_{a_1}(x1)))) 62.18/16.76 The remaining pairs can at least be oriented weakly. 62.18/16.76 Used ordering: Matrix interpretation [MATRO] with arctic natural numbers [ARCTIC]: 62.18/16.76 62.18/16.76 <<< 62.18/16.76 POL(B_{A_1}(x_1)) = [[0A]] + [[0A, 0A, 0A]] * x_1 62.18/16.76 >>> 62.18/16.76 62.18/16.76 <<< 62.18/16.76 POL(a_{a_1}(x_1)) = [[0A], [0A], [0A]] + [[0A, 0A, 0A], [0A, 0A, 0A], [0A, 0A, 0A]] * x_1 62.18/16.76 >>> 62.18/16.76 62.18/16.76 <<< 62.18/16.76 POL(a_{b_1}(x_1)) = [[0A], [0A], [1A]] + [[0A, -I, 0A], [0A, -I, 0A], [0A, 0A, 0A]] * x_1 62.18/16.76 >>> 62.18/16.76 62.18/16.76 <<< 62.18/16.76 POL(b_{a_1}(x_1)) = [[0A], [0A], [0A]] + [[0A, 1A, 0A], [1A, 0A, 1A], [0A, 1A, 0A]] * x_1 62.18/16.76 >>> 62.18/16.76 62.18/16.76 <<< 62.18/16.76 POL(b_{b_1}(x_1)) = [[0A], [0A], [-I]] + [[-I, -I, 0A], [1A, -I, -I], [-I, 0A, 0A]] * x_1 62.18/16.76 >>> 62.18/16.76 62.18/16.76 62.18/16.76 The following usable rules [FROCOS05] with respect to the argument filtering of the ordering [JAR06] were oriented: 62.18/16.76 62.18/16.76 a_{a_1}(a_{b_1}(b_{a_1}(a_{a_1}(x1)))) -> a_{b_1}(b_{a_1}(a_{a_1}(a_{a_1}(x1)))) 62.18/16.76 a_{a_1}(a_{b_1}(b_{a_1}(a_{b_1}(x1)))) -> a_{b_1}(b_{a_1}(a_{a_1}(a_{b_1}(x1)))) 62.18/16.76 a_{a_1}(a_{b_1}(b_{b_1}(b_{a_1}(a_{a_1}(x1))))) -> a_{b_1}(b_{a_1}(a_{a_1}(a_{b_1}(b_{a_1}(x1))))) 62.18/16.76 a_{a_1}(a_{b_1}(b_{b_1}(b_{a_1}(a_{b_1}(x1))))) -> a_{b_1}(b_{a_1}(a_{a_1}(a_{b_1}(b_{b_1}(x1))))) 62.18/16.76 b_{a_1}(a_{a_1}(a_{b_1}(b_{a_1}(x1)))) -> b_{b_1}(b_{b_1}(b_{b_1}(b_{a_1}(x1)))) 62.18/16.76 b_{a_1}(a_{a_1}(a_{b_1}(b_{b_1}(x1)))) -> b_{a_1}(a_{a_1}(a_{a_1}(a_{b_1}(x1)))) 62.18/16.76 b_{a_1}(a_{a_1}(a_{b_1}(b_{a_1}(x1)))) -> b_{a_1}(a_{a_1}(a_{a_1}(a_{a_1}(x1)))) 62.18/16.76 b_{a_1}(a_{b_1}(b_{b_1}(b_{a_1}(a_{a_1}(x1))))) -> b_{b_1}(b_{a_1}(a_{a_1}(a_{b_1}(b_{a_1}(x1))))) 62.18/16.76 b_{a_1}(a_{b_1}(b_{b_1}(b_{a_1}(a_{b_1}(x1))))) -> b_{b_1}(b_{a_1}(a_{a_1}(a_{b_1}(b_{b_1}(x1))))) 62.18/16.76 b_{a_1}(a_{a_1}(a_{b_1}(b_{b_1}(x1)))) -> b_{b_1}(b_{b_1}(b_{b_1}(b_{b_1}(x1)))) 62.18/16.76 62.18/16.76 62.18/16.76 ---------------------------------------- 62.18/16.76 62.18/16.76 (12) 62.18/16.76 Obligation: 62.18/16.76 Q DP problem: 62.18/16.76 The TRS P consists of the following rules: 62.18/16.76 62.18/16.76 B_{A_1}(a_{a_1}(a_{b_1}(b_{b_1}(x1)))) -> B_{A_1}(a_{a_1}(a_{a_1}(a_{b_1}(x1)))) 62.18/16.76 62.18/16.76 The TRS R consists of the following rules: 62.18/16.76 62.18/16.76 a_{a_1}(a_{b_1}(b_{a_1}(a_{a_1}(x1)))) -> a_{b_1}(b_{a_1}(a_{a_1}(a_{a_1}(x1)))) 62.18/16.76 a_{a_1}(a_{b_1}(b_{a_1}(a_{b_1}(x1)))) -> a_{b_1}(b_{a_1}(a_{a_1}(a_{b_1}(x1)))) 62.18/16.76 b_{a_1}(a_{a_1}(a_{b_1}(b_{a_1}(x1)))) -> b_{b_1}(b_{b_1}(b_{b_1}(b_{a_1}(x1)))) 62.18/16.76 b_{a_1}(a_{a_1}(a_{b_1}(b_{b_1}(x1)))) -> b_{b_1}(b_{b_1}(b_{b_1}(b_{b_1}(x1)))) 62.18/16.76 b_{a_1}(a_{a_1}(a_{b_1}(b_{a_1}(x1)))) -> b_{a_1}(a_{a_1}(a_{a_1}(a_{a_1}(x1)))) 62.18/16.76 b_{a_1}(a_{a_1}(a_{b_1}(b_{b_1}(x1)))) -> b_{a_1}(a_{a_1}(a_{a_1}(a_{b_1}(x1)))) 62.18/16.76 a_{a_1}(a_{b_1}(b_{b_1}(b_{a_1}(a_{a_1}(x1))))) -> a_{b_1}(b_{a_1}(a_{a_1}(a_{b_1}(b_{a_1}(x1))))) 62.18/16.76 a_{a_1}(a_{b_1}(b_{b_1}(b_{a_1}(a_{b_1}(x1))))) -> a_{b_1}(b_{a_1}(a_{a_1}(a_{b_1}(b_{b_1}(x1))))) 62.18/16.76 b_{a_1}(a_{b_1}(b_{b_1}(b_{a_1}(a_{a_1}(x1))))) -> b_{b_1}(b_{a_1}(a_{a_1}(a_{b_1}(b_{a_1}(x1))))) 62.18/16.76 b_{a_1}(a_{b_1}(b_{b_1}(b_{a_1}(a_{b_1}(x1))))) -> b_{b_1}(b_{a_1}(a_{a_1}(a_{b_1}(b_{b_1}(x1))))) 62.18/16.76 62.18/16.76 Q is empty. 62.18/16.76 We have to consider all minimal (P,Q,R)-chains. 62.18/16.76 ---------------------------------------- 62.18/16.76 62.18/16.76 (13) QDPOrderProof (EQUIVALENT) 62.18/16.76 We use the reduction pair processor [LPAR04,JAR06]. 62.18/16.76 62.18/16.76 62.18/16.76 The following pairs can be oriented strictly and are deleted. 62.18/16.76 62.18/16.76 B_{A_1}(a_{a_1}(a_{b_1}(b_{b_1}(x1)))) -> B_{A_1}(a_{a_1}(a_{a_1}(a_{b_1}(x1)))) 62.18/16.76 The remaining pairs can at least be oriented weakly. 62.18/16.76 Used ordering: Matrix interpretation [MATRO] with arctic natural numbers [ARCTIC]: 62.18/16.76 62.18/16.76 <<< 62.18/16.76 POL(B_{A_1}(x_1)) = [[0A]] + [[-I, 0A, -I]] * x_1 62.18/16.76 >>> 62.18/16.76 62.18/16.76 <<< 62.18/16.76 POL(a_{a_1}(x_1)) = [[0A], [-I], [-I]] + [[-I, -I, -I], [-I, -I, 0A], [-I, 0A, -I]] * x_1 62.18/16.76 >>> 62.18/16.76 62.18/16.76 <<< 62.18/16.76 POL(a_{b_1}(x_1)) = [[0A], [-I], [1A]] + [[0A, 0A, -I], [-I, 0A, 0A], [0A, 0A, 0A]] * x_1 62.18/16.76 >>> 62.18/16.76 62.18/16.76 <<< 62.18/16.76 POL(b_{b_1}(x_1)) = [[0A], [-I], [-I]] + [[-I, 1A, 0A], [-I, -I, 1A], [-I, -I, -I]] * x_1 62.18/16.76 >>> 62.18/16.76 62.18/16.76 <<< 62.18/16.76 POL(b_{a_1}(x_1)) = [[0A], [0A], [1A]] + [[0A, -I, -I], [0A, -I, -I], [0A, -I, -I]] * x_1 62.18/16.76 >>> 62.18/16.76 62.18/16.76 62.18/16.76 The following usable rules [FROCOS05] with respect to the argument filtering of the ordering [JAR06] were oriented: 62.18/16.76 62.18/16.76 a_{a_1}(a_{b_1}(b_{a_1}(a_{a_1}(x1)))) -> a_{b_1}(b_{a_1}(a_{a_1}(a_{a_1}(x1)))) 62.18/16.76 a_{a_1}(a_{b_1}(b_{a_1}(a_{b_1}(x1)))) -> a_{b_1}(b_{a_1}(a_{a_1}(a_{b_1}(x1)))) 62.18/16.76 a_{a_1}(a_{b_1}(b_{b_1}(b_{a_1}(a_{a_1}(x1))))) -> a_{b_1}(b_{a_1}(a_{a_1}(a_{b_1}(b_{a_1}(x1))))) 62.18/16.76 a_{a_1}(a_{b_1}(b_{b_1}(b_{a_1}(a_{b_1}(x1))))) -> a_{b_1}(b_{a_1}(a_{a_1}(a_{b_1}(b_{b_1}(x1))))) 62.18/16.76 b_{a_1}(a_{a_1}(a_{b_1}(b_{a_1}(x1)))) -> b_{b_1}(b_{b_1}(b_{b_1}(b_{a_1}(x1)))) 62.18/16.76 b_{a_1}(a_{a_1}(a_{b_1}(b_{b_1}(x1)))) -> b_{a_1}(a_{a_1}(a_{a_1}(a_{b_1}(x1)))) 62.18/16.76 b_{a_1}(a_{a_1}(a_{b_1}(b_{a_1}(x1)))) -> b_{a_1}(a_{a_1}(a_{a_1}(a_{a_1}(x1)))) 62.18/16.76 b_{a_1}(a_{b_1}(b_{b_1}(b_{a_1}(a_{a_1}(x1))))) -> b_{b_1}(b_{a_1}(a_{a_1}(a_{b_1}(b_{a_1}(x1))))) 62.18/16.76 b_{a_1}(a_{b_1}(b_{b_1}(b_{a_1}(a_{b_1}(x1))))) -> b_{b_1}(b_{a_1}(a_{a_1}(a_{b_1}(b_{b_1}(x1))))) 62.18/16.76 b_{a_1}(a_{a_1}(a_{b_1}(b_{b_1}(x1)))) -> b_{b_1}(b_{b_1}(b_{b_1}(b_{b_1}(x1)))) 62.18/16.76 62.18/16.76 62.18/16.76 ---------------------------------------- 62.18/16.76 62.18/16.76 (14) 62.18/16.76 Obligation: 62.18/16.76 Q DP problem: 62.18/16.76 P is empty. 62.18/16.76 The TRS R consists of the following rules: 62.18/16.76 62.18/16.76 a_{a_1}(a_{b_1}(b_{a_1}(a_{a_1}(x1)))) -> a_{b_1}(b_{a_1}(a_{a_1}(a_{a_1}(x1)))) 62.18/16.76 a_{a_1}(a_{b_1}(b_{a_1}(a_{b_1}(x1)))) -> a_{b_1}(b_{a_1}(a_{a_1}(a_{b_1}(x1)))) 62.18/16.76 b_{a_1}(a_{a_1}(a_{b_1}(b_{a_1}(x1)))) -> b_{b_1}(b_{b_1}(b_{b_1}(b_{a_1}(x1)))) 62.18/16.76 b_{a_1}(a_{a_1}(a_{b_1}(b_{b_1}(x1)))) -> b_{b_1}(b_{b_1}(b_{b_1}(b_{b_1}(x1)))) 62.18/16.76 b_{a_1}(a_{a_1}(a_{b_1}(b_{a_1}(x1)))) -> b_{a_1}(a_{a_1}(a_{a_1}(a_{a_1}(x1)))) 62.18/16.76 b_{a_1}(a_{a_1}(a_{b_1}(b_{b_1}(x1)))) -> b_{a_1}(a_{a_1}(a_{a_1}(a_{b_1}(x1)))) 62.18/16.76 a_{a_1}(a_{b_1}(b_{b_1}(b_{a_1}(a_{a_1}(x1))))) -> a_{b_1}(b_{a_1}(a_{a_1}(a_{b_1}(b_{a_1}(x1))))) 62.18/16.76 a_{a_1}(a_{b_1}(b_{b_1}(b_{a_1}(a_{b_1}(x1))))) -> a_{b_1}(b_{a_1}(a_{a_1}(a_{b_1}(b_{b_1}(x1))))) 62.18/16.76 b_{a_1}(a_{b_1}(b_{b_1}(b_{a_1}(a_{a_1}(x1))))) -> b_{b_1}(b_{a_1}(a_{a_1}(a_{b_1}(b_{a_1}(x1))))) 62.18/16.76 b_{a_1}(a_{b_1}(b_{b_1}(b_{a_1}(a_{b_1}(x1))))) -> b_{b_1}(b_{a_1}(a_{a_1}(a_{b_1}(b_{b_1}(x1))))) 62.18/16.76 62.18/16.76 Q is empty. 62.18/16.76 We have to consider all minimal (P,Q,R)-chains. 62.18/16.76 ---------------------------------------- 62.18/16.76 62.18/16.76 (15) PisEmptyProof (EQUIVALENT) 62.18/16.76 The TRS P is empty. Hence, there is no (P,Q,R) chain. 62.18/16.76 ---------------------------------------- 62.18/16.76 62.18/16.76 (16) 62.18/16.76 YES 62.37/16.83 EOF