26.99/7.83 YES 26.99/7.85 proof of /export/starexec/sandbox2/benchmark/theBenchmark.xml 26.99/7.85 # AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty 26.99/7.85 26.99/7.85 26.99/7.85 Termination w.r.t. Q of the given QTRS could be proven: 26.99/7.85 26.99/7.85 (0) QTRS 26.99/7.85 (1) FlatCCProof [EQUIVALENT, 0 ms] 26.99/7.85 (2) QTRS 26.99/7.85 (3) RootLabelingProof [EQUIVALENT, 0 ms] 26.99/7.85 (4) QTRS 26.99/7.85 (5) QTRSRRRProof [EQUIVALENT, 48 ms] 26.99/7.85 (6) QTRS 26.99/7.85 (7) DependencyPairsProof [EQUIVALENT, 0 ms] 26.99/7.85 (8) QDP 26.99/7.85 (9) DependencyGraphProof [EQUIVALENT, 0 ms] 26.99/7.85 (10) QDP 26.99/7.85 (11) QDPOrderProof [EQUIVALENT, 20 ms] 26.99/7.85 (12) QDP 26.99/7.85 (13) DependencyGraphProof [EQUIVALENT, 0 ms] 26.99/7.85 (14) AND 26.99/7.85 (15) QDP 26.99/7.85 (16) QDPOrderProof [EQUIVALENT, 0 ms] 26.99/7.85 (17) QDP 26.99/7.85 (18) PisEmptyProof [EQUIVALENT, 0 ms] 26.99/7.85 (19) YES 26.99/7.85 (20) QDP 26.99/7.85 (21) QDPOrderProof [EQUIVALENT, 0 ms] 26.99/7.85 (22) QDP 26.99/7.85 (23) PisEmptyProof [EQUIVALENT, 0 ms] 26.99/7.85 (24) YES 26.99/7.85 26.99/7.85 26.99/7.85 ---------------------------------------- 26.99/7.85 26.99/7.85 (0) 26.99/7.85 Obligation: 26.99/7.85 Q restricted rewrite system: 26.99/7.85 The TRS R consists of the following rules: 26.99/7.85 26.99/7.85 b(b(b(b(x1)))) -> b(b(b(a(x1)))) 26.99/7.85 a(b(a(a(x1)))) -> b(a(b(a(x1)))) 26.99/7.85 b(a(a(b(x1)))) -> a(b(a(b(x1)))) 26.99/7.85 26.99/7.85 Q is empty. 26.99/7.85 26.99/7.85 ---------------------------------------- 26.99/7.85 26.99/7.85 (1) FlatCCProof (EQUIVALENT) 26.99/7.85 We used flat context closure [ROOTLAB] 26.99/7.85 As Q is empty the flat context closure was sound AND complete. 26.99/7.85 26.99/7.85 ---------------------------------------- 26.99/7.85 26.99/7.85 (2) 26.99/7.85 Obligation: 26.99/7.85 Q restricted rewrite system: 26.99/7.85 The TRS R consists of the following rules: 26.99/7.85 26.99/7.85 b(b(b(b(x1)))) -> b(b(b(a(x1)))) 26.99/7.85 b(a(b(a(a(x1))))) -> b(b(a(b(a(x1))))) 26.99/7.85 a(a(b(a(a(x1))))) -> a(b(a(b(a(x1))))) 26.99/7.85 b(b(a(a(b(x1))))) -> b(a(b(a(b(x1))))) 26.99/7.85 a(b(a(a(b(x1))))) -> a(a(b(a(b(x1))))) 26.99/7.85 26.99/7.85 Q is empty. 26.99/7.85 26.99/7.85 ---------------------------------------- 26.99/7.85 26.99/7.85 (3) RootLabelingProof (EQUIVALENT) 26.99/7.85 We used plain root labeling [ROOTLAB] with the following heuristic: 26.99/7.85 LabelAll: All function symbols get labeled 26.99/7.85 26.99/7.85 As Q is empty the root labeling was sound AND complete. 26.99/7.85 26.99/7.85 ---------------------------------------- 26.99/7.85 26.99/7.85 (4) 26.99/7.85 Obligation: 26.99/7.85 Q restricted rewrite system: 26.99/7.85 The TRS R consists of the following rules: 26.99/7.85 26.99/7.85 b_{b_1}(b_{b_1}(b_{b_1}(b_{b_1}(x1)))) -> b_{b_1}(b_{b_1}(b_{a_1}(a_{b_1}(x1)))) 26.99/7.85 b_{b_1}(b_{b_1}(b_{b_1}(b_{a_1}(x1)))) -> b_{b_1}(b_{b_1}(b_{a_1}(a_{a_1}(x1)))) 26.99/7.85 b_{a_1}(a_{b_1}(b_{a_1}(a_{a_1}(a_{b_1}(x1))))) -> b_{b_1}(b_{a_1}(a_{b_1}(b_{a_1}(a_{b_1}(x1))))) 26.99/7.85 b_{a_1}(a_{b_1}(b_{a_1}(a_{a_1}(a_{a_1}(x1))))) -> b_{b_1}(b_{a_1}(a_{b_1}(b_{a_1}(a_{a_1}(x1))))) 26.99/7.85 a_{a_1}(a_{b_1}(b_{a_1}(a_{a_1}(a_{b_1}(x1))))) -> a_{b_1}(b_{a_1}(a_{b_1}(b_{a_1}(a_{b_1}(x1))))) 26.99/7.85 a_{a_1}(a_{b_1}(b_{a_1}(a_{a_1}(a_{a_1}(x1))))) -> a_{b_1}(b_{a_1}(a_{b_1}(b_{a_1}(a_{a_1}(x1))))) 26.99/7.85 b_{b_1}(b_{a_1}(a_{a_1}(a_{b_1}(b_{b_1}(x1))))) -> b_{a_1}(a_{b_1}(b_{a_1}(a_{b_1}(b_{b_1}(x1))))) 26.99/7.85 b_{b_1}(b_{a_1}(a_{a_1}(a_{b_1}(b_{a_1}(x1))))) -> b_{a_1}(a_{b_1}(b_{a_1}(a_{b_1}(b_{a_1}(x1))))) 26.99/7.85 a_{b_1}(b_{a_1}(a_{a_1}(a_{b_1}(b_{b_1}(x1))))) -> a_{a_1}(a_{b_1}(b_{a_1}(a_{b_1}(b_{b_1}(x1))))) 26.99/7.85 a_{b_1}(b_{a_1}(a_{a_1}(a_{b_1}(b_{a_1}(x1))))) -> a_{a_1}(a_{b_1}(b_{a_1}(a_{b_1}(b_{a_1}(x1))))) 26.99/7.85 26.99/7.85 Q is empty. 26.99/7.85 26.99/7.85 ---------------------------------------- 26.99/7.85 26.99/7.85 (5) QTRSRRRProof (EQUIVALENT) 26.99/7.85 Used ordering: 26.99/7.85 Polynomial interpretation [POLO]: 26.99/7.85 26.99/7.85 POL(a_{a_1}(x_1)) = 1 + x_1 26.99/7.85 POL(a_{b_1}(x_1)) = x_1 26.99/7.85 POL(b_{a_1}(x_1)) = 1 + x_1 26.99/7.85 POL(b_{b_1}(x_1)) = 1 + x_1 26.99/7.85 With this ordering the following rules can be removed by the rule removal processor [LPAR04] because they are oriented strictly: 26.99/7.85 26.99/7.85 b_{b_1}(b_{b_1}(b_{b_1}(b_{b_1}(x1)))) -> b_{b_1}(b_{b_1}(b_{a_1}(a_{b_1}(x1)))) 26.99/7.85 a_{a_1}(a_{b_1}(b_{a_1}(a_{a_1}(a_{b_1}(x1))))) -> a_{b_1}(b_{a_1}(a_{b_1}(b_{a_1}(a_{b_1}(x1))))) 26.99/7.85 a_{a_1}(a_{b_1}(b_{a_1}(a_{a_1}(a_{a_1}(x1))))) -> a_{b_1}(b_{a_1}(a_{b_1}(b_{a_1}(a_{a_1}(x1))))) 26.99/7.85 b_{b_1}(b_{a_1}(a_{a_1}(a_{b_1}(b_{b_1}(x1))))) -> b_{a_1}(a_{b_1}(b_{a_1}(a_{b_1}(b_{b_1}(x1))))) 26.99/7.85 b_{b_1}(b_{a_1}(a_{a_1}(a_{b_1}(b_{a_1}(x1))))) -> b_{a_1}(a_{b_1}(b_{a_1}(a_{b_1}(b_{a_1}(x1))))) 26.99/7.85 26.99/7.85 26.99/7.85 26.99/7.85 26.99/7.85 ---------------------------------------- 26.99/7.85 26.99/7.85 (6) 26.99/7.85 Obligation: 26.99/7.85 Q restricted rewrite system: 26.99/7.85 The TRS R consists of the following rules: 26.99/7.85 26.99/7.85 b_{b_1}(b_{b_1}(b_{b_1}(b_{a_1}(x1)))) -> b_{b_1}(b_{b_1}(b_{a_1}(a_{a_1}(x1)))) 26.99/7.85 b_{a_1}(a_{b_1}(b_{a_1}(a_{a_1}(a_{b_1}(x1))))) -> b_{b_1}(b_{a_1}(a_{b_1}(b_{a_1}(a_{b_1}(x1))))) 26.99/7.85 b_{a_1}(a_{b_1}(b_{a_1}(a_{a_1}(a_{a_1}(x1))))) -> b_{b_1}(b_{a_1}(a_{b_1}(b_{a_1}(a_{a_1}(x1))))) 26.99/7.85 a_{b_1}(b_{a_1}(a_{a_1}(a_{b_1}(b_{b_1}(x1))))) -> a_{a_1}(a_{b_1}(b_{a_1}(a_{b_1}(b_{b_1}(x1))))) 26.99/7.85 a_{b_1}(b_{a_1}(a_{a_1}(a_{b_1}(b_{a_1}(x1))))) -> a_{a_1}(a_{b_1}(b_{a_1}(a_{b_1}(b_{a_1}(x1))))) 26.99/7.85 26.99/7.85 Q is empty. 26.99/7.85 26.99/7.85 ---------------------------------------- 26.99/7.85 26.99/7.85 (7) DependencyPairsProof (EQUIVALENT) 26.99/7.85 Using Dependency Pairs [AG00,LPAR04] we result in the following initial DP problem. 26.99/7.85 ---------------------------------------- 26.99/7.85 26.99/7.85 (8) 26.99/7.85 Obligation: 26.99/7.85 Q DP problem: 26.99/7.85 The TRS P consists of the following rules: 26.99/7.85 26.99/7.85 B_{B_1}(b_{b_1}(b_{b_1}(b_{a_1}(x1)))) -> B_{B_1}(b_{b_1}(b_{a_1}(a_{a_1}(x1)))) 26.99/7.85 B_{B_1}(b_{b_1}(b_{b_1}(b_{a_1}(x1)))) -> B_{B_1}(b_{a_1}(a_{a_1}(x1))) 26.99/7.85 B_{B_1}(b_{b_1}(b_{b_1}(b_{a_1}(x1)))) -> B_{A_1}(a_{a_1}(x1)) 26.99/7.85 B_{A_1}(a_{b_1}(b_{a_1}(a_{a_1}(a_{b_1}(x1))))) -> B_{B_1}(b_{a_1}(a_{b_1}(b_{a_1}(a_{b_1}(x1))))) 26.99/7.85 B_{A_1}(a_{b_1}(b_{a_1}(a_{a_1}(a_{b_1}(x1))))) -> B_{A_1}(a_{b_1}(b_{a_1}(a_{b_1}(x1)))) 26.99/7.85 B_{A_1}(a_{b_1}(b_{a_1}(a_{a_1}(a_{b_1}(x1))))) -> A_{B_1}(b_{a_1}(a_{b_1}(x1))) 26.99/7.85 B_{A_1}(a_{b_1}(b_{a_1}(a_{a_1}(a_{b_1}(x1))))) -> B_{A_1}(a_{b_1}(x1)) 26.99/7.85 B_{A_1}(a_{b_1}(b_{a_1}(a_{a_1}(a_{a_1}(x1))))) -> B_{B_1}(b_{a_1}(a_{b_1}(b_{a_1}(a_{a_1}(x1))))) 26.99/7.85 B_{A_1}(a_{b_1}(b_{a_1}(a_{a_1}(a_{a_1}(x1))))) -> B_{A_1}(a_{b_1}(b_{a_1}(a_{a_1}(x1)))) 26.99/7.85 B_{A_1}(a_{b_1}(b_{a_1}(a_{a_1}(a_{a_1}(x1))))) -> A_{B_1}(b_{a_1}(a_{a_1}(x1))) 26.99/7.85 B_{A_1}(a_{b_1}(b_{a_1}(a_{a_1}(a_{a_1}(x1))))) -> B_{A_1}(a_{a_1}(x1)) 26.99/7.85 A_{B_1}(b_{a_1}(a_{a_1}(a_{b_1}(b_{b_1}(x1))))) -> A_{B_1}(b_{a_1}(a_{b_1}(b_{b_1}(x1)))) 26.99/7.85 A_{B_1}(b_{a_1}(a_{a_1}(a_{b_1}(b_{b_1}(x1))))) -> B_{A_1}(a_{b_1}(b_{b_1}(x1))) 26.99/7.85 A_{B_1}(b_{a_1}(a_{a_1}(a_{b_1}(b_{a_1}(x1))))) -> A_{B_1}(b_{a_1}(a_{b_1}(b_{a_1}(x1)))) 26.99/7.85 A_{B_1}(b_{a_1}(a_{a_1}(a_{b_1}(b_{a_1}(x1))))) -> B_{A_1}(a_{b_1}(b_{a_1}(x1))) 26.99/7.85 26.99/7.85 The TRS R consists of the following rules: 26.99/7.85 26.99/7.85 b_{b_1}(b_{b_1}(b_{b_1}(b_{a_1}(x1)))) -> b_{b_1}(b_{b_1}(b_{a_1}(a_{a_1}(x1)))) 26.99/7.85 b_{a_1}(a_{b_1}(b_{a_1}(a_{a_1}(a_{b_1}(x1))))) -> b_{b_1}(b_{a_1}(a_{b_1}(b_{a_1}(a_{b_1}(x1))))) 26.99/7.85 b_{a_1}(a_{b_1}(b_{a_1}(a_{a_1}(a_{a_1}(x1))))) -> b_{b_1}(b_{a_1}(a_{b_1}(b_{a_1}(a_{a_1}(x1))))) 26.99/7.85 a_{b_1}(b_{a_1}(a_{a_1}(a_{b_1}(b_{b_1}(x1))))) -> a_{a_1}(a_{b_1}(b_{a_1}(a_{b_1}(b_{b_1}(x1))))) 26.99/7.85 a_{b_1}(b_{a_1}(a_{a_1}(a_{b_1}(b_{a_1}(x1))))) -> a_{a_1}(a_{b_1}(b_{a_1}(a_{b_1}(b_{a_1}(x1))))) 26.99/7.85 26.99/7.85 Q is empty. 26.99/7.85 We have to consider all minimal (P,Q,R)-chains. 26.99/7.85 ---------------------------------------- 26.99/7.85 26.99/7.85 (9) DependencyGraphProof (EQUIVALENT) 26.99/7.85 The approximation of the Dependency Graph [LPAR04,FROCOS05,EDGSTAR] contains 1 SCC with 7 less nodes. 26.99/7.85 ---------------------------------------- 26.99/7.85 26.99/7.85 (10) 26.99/7.85 Obligation: 26.99/7.85 Q DP problem: 26.99/7.85 The TRS P consists of the following rules: 26.99/7.85 26.99/7.85 B_{A_1}(a_{b_1}(b_{a_1}(a_{a_1}(a_{b_1}(x1))))) -> A_{B_1}(b_{a_1}(a_{b_1}(x1))) 26.99/7.85 A_{B_1}(b_{a_1}(a_{a_1}(a_{b_1}(b_{b_1}(x1))))) -> A_{B_1}(b_{a_1}(a_{b_1}(b_{b_1}(x1)))) 26.99/7.85 A_{B_1}(b_{a_1}(a_{a_1}(a_{b_1}(b_{a_1}(x1))))) -> A_{B_1}(b_{a_1}(a_{b_1}(b_{a_1}(x1)))) 26.99/7.85 A_{B_1}(b_{a_1}(a_{a_1}(a_{b_1}(b_{a_1}(x1))))) -> B_{A_1}(a_{b_1}(b_{a_1}(x1))) 26.99/7.85 B_{A_1}(a_{b_1}(b_{a_1}(a_{a_1}(a_{b_1}(x1))))) -> B_{A_1}(a_{b_1}(b_{a_1}(a_{b_1}(x1)))) 26.99/7.85 B_{A_1}(a_{b_1}(b_{a_1}(a_{a_1}(a_{b_1}(x1))))) -> B_{A_1}(a_{b_1}(x1)) 26.99/7.85 B_{A_1}(a_{b_1}(b_{a_1}(a_{a_1}(a_{a_1}(x1))))) -> B_{A_1}(a_{b_1}(b_{a_1}(a_{a_1}(x1)))) 26.99/7.85 B_{A_1}(a_{b_1}(b_{a_1}(a_{a_1}(a_{a_1}(x1))))) -> A_{B_1}(b_{a_1}(a_{a_1}(x1))) 26.99/7.85 26.99/7.85 The TRS R consists of the following rules: 26.99/7.85 26.99/7.85 b_{b_1}(b_{b_1}(b_{b_1}(b_{a_1}(x1)))) -> b_{b_1}(b_{b_1}(b_{a_1}(a_{a_1}(x1)))) 26.99/7.85 b_{a_1}(a_{b_1}(b_{a_1}(a_{a_1}(a_{b_1}(x1))))) -> b_{b_1}(b_{a_1}(a_{b_1}(b_{a_1}(a_{b_1}(x1))))) 26.99/7.85 b_{a_1}(a_{b_1}(b_{a_1}(a_{a_1}(a_{a_1}(x1))))) -> b_{b_1}(b_{a_1}(a_{b_1}(b_{a_1}(a_{a_1}(x1))))) 26.99/7.85 a_{b_1}(b_{a_1}(a_{a_1}(a_{b_1}(b_{b_1}(x1))))) -> a_{a_1}(a_{b_1}(b_{a_1}(a_{b_1}(b_{b_1}(x1))))) 26.99/7.85 a_{b_1}(b_{a_1}(a_{a_1}(a_{b_1}(b_{a_1}(x1))))) -> a_{a_1}(a_{b_1}(b_{a_1}(a_{b_1}(b_{a_1}(x1))))) 26.99/7.85 26.99/7.85 Q is empty. 26.99/7.85 We have to consider all minimal (P,Q,R)-chains. 26.99/7.85 ---------------------------------------- 26.99/7.85 26.99/7.85 (11) QDPOrderProof (EQUIVALENT) 26.99/7.85 We use the reduction pair processor [LPAR04,JAR06]. 26.99/7.85 26.99/7.85 26.99/7.85 The following pairs can be oriented strictly and are deleted. 26.99/7.85 26.99/7.85 B_{A_1}(a_{b_1}(b_{a_1}(a_{a_1}(a_{b_1}(x1))))) -> A_{B_1}(b_{a_1}(a_{b_1}(x1))) 26.99/7.85 B_{A_1}(a_{b_1}(b_{a_1}(a_{a_1}(a_{b_1}(x1))))) -> B_{A_1}(a_{b_1}(x1)) 26.99/7.85 B_{A_1}(a_{b_1}(b_{a_1}(a_{a_1}(a_{a_1}(x1))))) -> A_{B_1}(b_{a_1}(a_{a_1}(x1))) 26.99/7.85 The remaining pairs can at least be oriented weakly. 26.99/7.85 Used ordering: Polynomial interpretation [POLO]: 26.99/7.85 26.99/7.85 POL(A_{B_1}(x_1)) = x_1 26.99/7.85 POL(B_{A_1}(x_1)) = 1 + x_1 26.99/7.85 POL(a_{a_1}(x_1)) = x_1 26.99/7.85 POL(a_{b_1}(x_1)) = 1 + x_1 26.99/7.85 POL(b_{a_1}(x_1)) = 1 + x_1 26.99/7.85 POL(b_{b_1}(x_1)) = 0 26.99/7.85 26.99/7.85 The following usable rules [FROCOS05] with respect to the argument filtering of the ordering [JAR06] were oriented: 26.99/7.85 26.99/7.85 a_{b_1}(b_{a_1}(a_{a_1}(a_{b_1}(b_{b_1}(x1))))) -> a_{a_1}(a_{b_1}(b_{a_1}(a_{b_1}(b_{b_1}(x1))))) 26.99/7.85 a_{b_1}(b_{a_1}(a_{a_1}(a_{b_1}(b_{a_1}(x1))))) -> a_{a_1}(a_{b_1}(b_{a_1}(a_{b_1}(b_{a_1}(x1))))) 26.99/7.85 b_{a_1}(a_{b_1}(b_{a_1}(a_{a_1}(a_{b_1}(x1))))) -> b_{b_1}(b_{a_1}(a_{b_1}(b_{a_1}(a_{b_1}(x1))))) 26.99/7.85 b_{a_1}(a_{b_1}(b_{a_1}(a_{a_1}(a_{a_1}(x1))))) -> b_{b_1}(b_{a_1}(a_{b_1}(b_{a_1}(a_{a_1}(x1))))) 26.99/7.85 b_{b_1}(b_{b_1}(b_{b_1}(b_{a_1}(x1)))) -> b_{b_1}(b_{b_1}(b_{a_1}(a_{a_1}(x1)))) 26.99/7.85 26.99/7.85 26.99/7.85 ---------------------------------------- 26.99/7.85 26.99/7.85 (12) 26.99/7.85 Obligation: 26.99/7.85 Q DP problem: 26.99/7.85 The TRS P consists of the following rules: 26.99/7.85 26.99/7.85 A_{B_1}(b_{a_1}(a_{a_1}(a_{b_1}(b_{b_1}(x1))))) -> A_{B_1}(b_{a_1}(a_{b_1}(b_{b_1}(x1)))) 26.99/7.85 A_{B_1}(b_{a_1}(a_{a_1}(a_{b_1}(b_{a_1}(x1))))) -> A_{B_1}(b_{a_1}(a_{b_1}(b_{a_1}(x1)))) 26.99/7.85 A_{B_1}(b_{a_1}(a_{a_1}(a_{b_1}(b_{a_1}(x1))))) -> B_{A_1}(a_{b_1}(b_{a_1}(x1))) 26.99/7.85 B_{A_1}(a_{b_1}(b_{a_1}(a_{a_1}(a_{b_1}(x1))))) -> B_{A_1}(a_{b_1}(b_{a_1}(a_{b_1}(x1)))) 26.99/7.85 B_{A_1}(a_{b_1}(b_{a_1}(a_{a_1}(a_{a_1}(x1))))) -> B_{A_1}(a_{b_1}(b_{a_1}(a_{a_1}(x1)))) 26.99/7.85 26.99/7.85 The TRS R consists of the following rules: 26.99/7.85 26.99/7.85 b_{b_1}(b_{b_1}(b_{b_1}(b_{a_1}(x1)))) -> b_{b_1}(b_{b_1}(b_{a_1}(a_{a_1}(x1)))) 26.99/7.85 b_{a_1}(a_{b_1}(b_{a_1}(a_{a_1}(a_{b_1}(x1))))) -> b_{b_1}(b_{a_1}(a_{b_1}(b_{a_1}(a_{b_1}(x1))))) 26.99/7.85 b_{a_1}(a_{b_1}(b_{a_1}(a_{a_1}(a_{a_1}(x1))))) -> b_{b_1}(b_{a_1}(a_{b_1}(b_{a_1}(a_{a_1}(x1))))) 26.99/7.85 a_{b_1}(b_{a_1}(a_{a_1}(a_{b_1}(b_{b_1}(x1))))) -> a_{a_1}(a_{b_1}(b_{a_1}(a_{b_1}(b_{b_1}(x1))))) 26.99/7.85 a_{b_1}(b_{a_1}(a_{a_1}(a_{b_1}(b_{a_1}(x1))))) -> a_{a_1}(a_{b_1}(b_{a_1}(a_{b_1}(b_{a_1}(x1))))) 26.99/7.85 26.99/7.85 Q is empty. 26.99/7.85 We have to consider all minimal (P,Q,R)-chains. 26.99/7.85 ---------------------------------------- 26.99/7.85 26.99/7.85 (13) DependencyGraphProof (EQUIVALENT) 26.99/7.85 The approximation of the Dependency Graph [LPAR04,FROCOS05,EDGSTAR] contains 2 SCCs with 1 less node. 26.99/7.85 ---------------------------------------- 26.99/7.85 26.99/7.85 (14) 26.99/7.85 Complex Obligation (AND) 26.99/7.85 26.99/7.85 ---------------------------------------- 26.99/7.85 26.99/7.85 (15) 26.99/7.85 Obligation: 26.99/7.85 Q DP problem: 26.99/7.85 The TRS P consists of the following rules: 26.99/7.85 26.99/7.85 B_{A_1}(a_{b_1}(b_{a_1}(a_{a_1}(a_{a_1}(x1))))) -> B_{A_1}(a_{b_1}(b_{a_1}(a_{a_1}(x1)))) 26.99/7.85 B_{A_1}(a_{b_1}(b_{a_1}(a_{a_1}(a_{b_1}(x1))))) -> B_{A_1}(a_{b_1}(b_{a_1}(a_{b_1}(x1)))) 26.99/7.85 26.99/7.85 The TRS R consists of the following rules: 26.99/7.85 26.99/7.85 b_{b_1}(b_{b_1}(b_{b_1}(b_{a_1}(x1)))) -> b_{b_1}(b_{b_1}(b_{a_1}(a_{a_1}(x1)))) 26.99/7.85 b_{a_1}(a_{b_1}(b_{a_1}(a_{a_1}(a_{b_1}(x1))))) -> b_{b_1}(b_{a_1}(a_{b_1}(b_{a_1}(a_{b_1}(x1))))) 26.99/7.85 b_{a_1}(a_{b_1}(b_{a_1}(a_{a_1}(a_{a_1}(x1))))) -> b_{b_1}(b_{a_1}(a_{b_1}(b_{a_1}(a_{a_1}(x1))))) 26.99/7.85 a_{b_1}(b_{a_1}(a_{a_1}(a_{b_1}(b_{b_1}(x1))))) -> a_{a_1}(a_{b_1}(b_{a_1}(a_{b_1}(b_{b_1}(x1))))) 26.99/7.85 a_{b_1}(b_{a_1}(a_{a_1}(a_{b_1}(b_{a_1}(x1))))) -> a_{a_1}(a_{b_1}(b_{a_1}(a_{b_1}(b_{a_1}(x1))))) 26.99/7.85 26.99/7.85 Q is empty. 26.99/7.85 We have to consider all minimal (P,Q,R)-chains. 26.99/7.85 ---------------------------------------- 26.99/7.85 26.99/7.85 (16) QDPOrderProof (EQUIVALENT) 26.99/7.85 We use the reduction pair processor [LPAR04,JAR06]. 26.99/7.85 26.99/7.85 26.99/7.85 The following pairs can be oriented strictly and are deleted. 26.99/7.85 26.99/7.85 B_{A_1}(a_{b_1}(b_{a_1}(a_{a_1}(a_{a_1}(x1))))) -> B_{A_1}(a_{b_1}(b_{a_1}(a_{a_1}(x1)))) 26.99/7.85 B_{A_1}(a_{b_1}(b_{a_1}(a_{a_1}(a_{b_1}(x1))))) -> B_{A_1}(a_{b_1}(b_{a_1}(a_{b_1}(x1)))) 26.99/7.85 The remaining pairs can at least be oriented weakly. 26.99/7.85 Used ordering: Polynomial interpretation [POLO]: 26.99/7.85 26.99/7.85 POL(B_{A_1}(x_1)) = x_1 26.99/7.85 POL(a_{a_1}(x_1)) = 1 + x_1 26.99/7.85 POL(a_{b_1}(x_1)) = x_1 26.99/7.85 POL(b_{a_1}(x_1)) = 1 + x_1 26.99/7.85 POL(b_{b_1}(x_1)) = 0 26.99/7.85 26.99/7.85 The following usable rules [FROCOS05] with respect to the argument filtering of the ordering [JAR06] were oriented: 26.99/7.85 26.99/7.85 a_{b_1}(b_{a_1}(a_{a_1}(a_{b_1}(b_{b_1}(x1))))) -> a_{a_1}(a_{b_1}(b_{a_1}(a_{b_1}(b_{b_1}(x1))))) 26.99/7.85 a_{b_1}(b_{a_1}(a_{a_1}(a_{b_1}(b_{a_1}(x1))))) -> a_{a_1}(a_{b_1}(b_{a_1}(a_{b_1}(b_{a_1}(x1))))) 26.99/7.85 b_{a_1}(a_{b_1}(b_{a_1}(a_{a_1}(a_{b_1}(x1))))) -> b_{b_1}(b_{a_1}(a_{b_1}(b_{a_1}(a_{b_1}(x1))))) 26.99/7.85 b_{a_1}(a_{b_1}(b_{a_1}(a_{a_1}(a_{a_1}(x1))))) -> b_{b_1}(b_{a_1}(a_{b_1}(b_{a_1}(a_{a_1}(x1))))) 26.99/7.85 b_{b_1}(b_{b_1}(b_{b_1}(b_{a_1}(x1)))) -> b_{b_1}(b_{b_1}(b_{a_1}(a_{a_1}(x1)))) 26.99/7.85 26.99/7.85 26.99/7.85 ---------------------------------------- 26.99/7.85 26.99/7.85 (17) 26.99/7.85 Obligation: 26.99/7.85 Q DP problem: 26.99/7.85 P is empty. 26.99/7.85 The TRS R consists of the following rules: 26.99/7.85 26.99/7.85 b_{b_1}(b_{b_1}(b_{b_1}(b_{a_1}(x1)))) -> b_{b_1}(b_{b_1}(b_{a_1}(a_{a_1}(x1)))) 26.99/7.85 b_{a_1}(a_{b_1}(b_{a_1}(a_{a_1}(a_{b_1}(x1))))) -> b_{b_1}(b_{a_1}(a_{b_1}(b_{a_1}(a_{b_1}(x1))))) 26.99/7.85 b_{a_1}(a_{b_1}(b_{a_1}(a_{a_1}(a_{a_1}(x1))))) -> b_{b_1}(b_{a_1}(a_{b_1}(b_{a_1}(a_{a_1}(x1))))) 26.99/7.85 a_{b_1}(b_{a_1}(a_{a_1}(a_{b_1}(b_{b_1}(x1))))) -> a_{a_1}(a_{b_1}(b_{a_1}(a_{b_1}(b_{b_1}(x1))))) 26.99/7.85 a_{b_1}(b_{a_1}(a_{a_1}(a_{b_1}(b_{a_1}(x1))))) -> a_{a_1}(a_{b_1}(b_{a_1}(a_{b_1}(b_{a_1}(x1))))) 26.99/7.85 26.99/7.85 Q is empty. 26.99/7.85 We have to consider all minimal (P,Q,R)-chains. 26.99/7.85 ---------------------------------------- 26.99/7.85 26.99/7.85 (18) PisEmptyProof (EQUIVALENT) 26.99/7.85 The TRS P is empty. Hence, there is no (P,Q,R) chain. 26.99/7.85 ---------------------------------------- 26.99/7.85 26.99/7.85 (19) 26.99/7.85 YES 26.99/7.85 26.99/7.85 ---------------------------------------- 26.99/7.85 26.99/7.85 (20) 26.99/7.85 Obligation: 26.99/7.85 Q DP problem: 26.99/7.85 The TRS P consists of the following rules: 26.99/7.85 26.99/7.85 A_{B_1}(b_{a_1}(a_{a_1}(a_{b_1}(b_{a_1}(x1))))) -> A_{B_1}(b_{a_1}(a_{b_1}(b_{a_1}(x1)))) 26.99/7.85 A_{B_1}(b_{a_1}(a_{a_1}(a_{b_1}(b_{b_1}(x1))))) -> A_{B_1}(b_{a_1}(a_{b_1}(b_{b_1}(x1)))) 26.99/7.85 26.99/7.85 The TRS R consists of the following rules: 26.99/7.85 26.99/7.85 b_{b_1}(b_{b_1}(b_{b_1}(b_{a_1}(x1)))) -> b_{b_1}(b_{b_1}(b_{a_1}(a_{a_1}(x1)))) 26.99/7.85 b_{a_1}(a_{b_1}(b_{a_1}(a_{a_1}(a_{b_1}(x1))))) -> b_{b_1}(b_{a_1}(a_{b_1}(b_{a_1}(a_{b_1}(x1))))) 26.99/7.85 b_{a_1}(a_{b_1}(b_{a_1}(a_{a_1}(a_{a_1}(x1))))) -> b_{b_1}(b_{a_1}(a_{b_1}(b_{a_1}(a_{a_1}(x1))))) 26.99/7.85 a_{b_1}(b_{a_1}(a_{a_1}(a_{b_1}(b_{b_1}(x1))))) -> a_{a_1}(a_{b_1}(b_{a_1}(a_{b_1}(b_{b_1}(x1))))) 26.99/7.85 a_{b_1}(b_{a_1}(a_{a_1}(a_{b_1}(b_{a_1}(x1))))) -> a_{a_1}(a_{b_1}(b_{a_1}(a_{b_1}(b_{a_1}(x1))))) 26.99/7.85 26.99/7.85 Q is empty. 26.99/7.85 We have to consider all minimal (P,Q,R)-chains. 26.99/7.85 ---------------------------------------- 26.99/7.85 26.99/7.85 (21) QDPOrderProof (EQUIVALENT) 26.99/7.85 We use the reduction pair processor [LPAR04,JAR06]. 26.99/7.85 26.99/7.85 26.99/7.85 The following pairs can be oriented strictly and are deleted. 26.99/7.85 26.99/7.85 A_{B_1}(b_{a_1}(a_{a_1}(a_{b_1}(b_{a_1}(x1))))) -> A_{B_1}(b_{a_1}(a_{b_1}(b_{a_1}(x1)))) 26.99/7.85 A_{B_1}(b_{a_1}(a_{a_1}(a_{b_1}(b_{b_1}(x1))))) -> A_{B_1}(b_{a_1}(a_{b_1}(b_{b_1}(x1)))) 26.99/7.85 The remaining pairs can at least be oriented weakly. 26.99/7.85 Used ordering: Polynomial Order [NEGPOLO,POLO] with Interpretation: 26.99/7.85 26.99/7.85 POL( A_{B_1}_1(x_1) ) = max{0, 2x_1 - 1} 26.99/7.85 POL( b_{a_1}_1(x_1) ) = x_1 26.99/7.85 POL( a_{b_1}_1(x_1) ) = 2x_1 + 1 26.99/7.85 POL( a_{a_1}_1(x_1) ) = x_1 + 1 26.99/7.85 POL( b_{b_1}_1(x_1) ) = max{0, -2} 26.99/7.85 26.99/7.85 The following usable rules [FROCOS05] with respect to the argument filtering of the ordering [JAR06] were oriented: 26.99/7.85 26.99/7.85 b_{a_1}(a_{b_1}(b_{a_1}(a_{a_1}(a_{b_1}(x1))))) -> b_{b_1}(b_{a_1}(a_{b_1}(b_{a_1}(a_{b_1}(x1))))) 26.99/7.85 b_{a_1}(a_{b_1}(b_{a_1}(a_{a_1}(a_{a_1}(x1))))) -> b_{b_1}(b_{a_1}(a_{b_1}(b_{a_1}(a_{a_1}(x1))))) 26.99/7.85 a_{b_1}(b_{a_1}(a_{a_1}(a_{b_1}(b_{b_1}(x1))))) -> a_{a_1}(a_{b_1}(b_{a_1}(a_{b_1}(b_{b_1}(x1))))) 26.99/7.85 a_{b_1}(b_{a_1}(a_{a_1}(a_{b_1}(b_{a_1}(x1))))) -> a_{a_1}(a_{b_1}(b_{a_1}(a_{b_1}(b_{a_1}(x1))))) 26.99/7.85 b_{b_1}(b_{b_1}(b_{b_1}(b_{a_1}(x1)))) -> b_{b_1}(b_{b_1}(b_{a_1}(a_{a_1}(x1)))) 26.99/7.85 26.99/7.85 26.99/7.85 ---------------------------------------- 26.99/7.85 26.99/7.85 (22) 26.99/7.85 Obligation: 26.99/7.85 Q DP problem: 26.99/7.85 P is empty. 26.99/7.85 The TRS R consists of the following rules: 26.99/7.85 26.99/7.85 b_{b_1}(b_{b_1}(b_{b_1}(b_{a_1}(x1)))) -> b_{b_1}(b_{b_1}(b_{a_1}(a_{a_1}(x1)))) 26.99/7.85 b_{a_1}(a_{b_1}(b_{a_1}(a_{a_1}(a_{b_1}(x1))))) -> b_{b_1}(b_{a_1}(a_{b_1}(b_{a_1}(a_{b_1}(x1))))) 26.99/7.85 b_{a_1}(a_{b_1}(b_{a_1}(a_{a_1}(a_{a_1}(x1))))) -> b_{b_1}(b_{a_1}(a_{b_1}(b_{a_1}(a_{a_1}(x1))))) 26.99/7.85 a_{b_1}(b_{a_1}(a_{a_1}(a_{b_1}(b_{b_1}(x1))))) -> a_{a_1}(a_{b_1}(b_{a_1}(a_{b_1}(b_{b_1}(x1))))) 26.99/7.85 a_{b_1}(b_{a_1}(a_{a_1}(a_{b_1}(b_{a_1}(x1))))) -> a_{a_1}(a_{b_1}(b_{a_1}(a_{b_1}(b_{a_1}(x1))))) 26.99/7.85 26.99/7.85 Q is empty. 26.99/7.85 We have to consider all minimal (P,Q,R)-chains. 26.99/7.85 ---------------------------------------- 26.99/7.85 26.99/7.85 (23) PisEmptyProof (EQUIVALENT) 26.99/7.85 The TRS P is empty. Hence, there is no (P,Q,R) chain. 26.99/7.85 ---------------------------------------- 26.99/7.85 26.99/7.85 (24) 26.99/7.85 YES 27.54/8.12 EOF