39.28/11.00 YES 39.66/11.04 proof of /export/starexec/sandbox2/benchmark/theBenchmark.xml 39.66/11.04 # AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty 39.66/11.04 39.66/11.04 39.66/11.04 Termination w.r.t. Q of the given QTRS could be proven: 39.66/11.04 39.66/11.04 (0) QTRS 39.66/11.04 (1) FlatCCProof [EQUIVALENT, 0 ms] 39.66/11.04 (2) QTRS 39.66/11.04 (3) RootLabelingProof [EQUIVALENT, 0 ms] 39.66/11.04 (4) QTRS 39.66/11.04 (5) DependencyPairsProof [EQUIVALENT, 2 ms] 39.66/11.04 (6) QDP 39.66/11.04 (7) DependencyGraphProof [EQUIVALENT, 3 ms] 39.66/11.04 (8) QDP 39.66/11.04 (9) QDPOrderProof [EQUIVALENT, 72 ms] 39.66/11.04 (10) QDP 39.66/11.04 (11) QDPOrderProof [EQUIVALENT, 0 ms] 39.66/11.04 (12) QDP 39.66/11.04 (13) QDPOrderProof [EQUIVALENT, 417 ms] 39.66/11.04 (14) QDP 39.66/11.04 (15) PisEmptyProof [EQUIVALENT, 0 ms] 39.66/11.04 (16) YES 39.66/11.04 39.66/11.04 39.66/11.04 ---------------------------------------- 39.66/11.04 39.66/11.04 (0) 39.66/11.04 Obligation: 39.66/11.04 Q restricted rewrite system: 39.66/11.04 The TRS R consists of the following rules: 39.66/11.04 39.66/11.04 b(a(b(a(x1)))) -> b(a(b(b(x1)))) 39.66/11.04 b(b(b(b(x1)))) -> b(a(a(b(x1)))) 39.66/11.04 a(a(a(b(x1)))) -> b(a(b(a(x1)))) 39.66/11.04 39.66/11.04 Q is empty. 39.66/11.04 39.66/11.04 ---------------------------------------- 39.66/11.04 39.66/11.04 (1) FlatCCProof (EQUIVALENT) 39.66/11.04 We used flat context closure [ROOTLAB] 39.66/11.04 As Q is empty the flat context closure was sound AND complete. 39.66/11.04 39.66/11.04 ---------------------------------------- 39.66/11.04 39.66/11.04 (2) 39.66/11.04 Obligation: 39.66/11.04 Q restricted rewrite system: 39.66/11.04 The TRS R consists of the following rules: 39.66/11.04 39.66/11.04 b(a(b(a(x1)))) -> b(a(b(b(x1)))) 39.66/11.04 b(b(b(b(x1)))) -> b(a(a(b(x1)))) 39.66/11.04 b(a(a(a(b(x1))))) -> b(b(a(b(a(x1))))) 39.66/11.04 a(a(a(a(b(x1))))) -> a(b(a(b(a(x1))))) 39.66/11.04 39.66/11.04 Q is empty. 39.66/11.04 39.66/11.04 ---------------------------------------- 39.66/11.04 39.66/11.04 (3) RootLabelingProof (EQUIVALENT) 39.66/11.04 We used plain root labeling [ROOTLAB] with the following heuristic: 39.66/11.04 LabelAll: All function symbols get labeled 39.66/11.04 39.66/11.04 As Q is empty the root labeling was sound AND complete. 39.66/11.04 39.66/11.04 ---------------------------------------- 39.66/11.04 39.66/11.04 (4) 39.66/11.04 Obligation: 39.66/11.04 Q restricted rewrite system: 39.66/11.04 The TRS R consists of the following rules: 39.66/11.04 39.66/11.04 b_{a_1}(a_{b_1}(b_{a_1}(a_{b_1}(x1)))) -> b_{a_1}(a_{b_1}(b_{b_1}(b_{b_1}(x1)))) 39.66/11.04 b_{a_1}(a_{b_1}(b_{a_1}(a_{a_1}(x1)))) -> b_{a_1}(a_{b_1}(b_{b_1}(b_{a_1}(x1)))) 39.66/11.04 b_{b_1}(b_{b_1}(b_{b_1}(b_{b_1}(x1)))) -> b_{a_1}(a_{a_1}(a_{b_1}(b_{b_1}(x1)))) 39.66/11.04 b_{b_1}(b_{b_1}(b_{b_1}(b_{a_1}(x1)))) -> b_{a_1}(a_{a_1}(a_{b_1}(b_{a_1}(x1)))) 39.66/11.04 b_{a_1}(a_{a_1}(a_{a_1}(a_{b_1}(b_{b_1}(x1))))) -> b_{b_1}(b_{a_1}(a_{b_1}(b_{a_1}(a_{b_1}(x1))))) 39.66/11.04 b_{a_1}(a_{a_1}(a_{a_1}(a_{b_1}(b_{a_1}(x1))))) -> b_{b_1}(b_{a_1}(a_{b_1}(b_{a_1}(a_{a_1}(x1))))) 39.66/11.04 a_{a_1}(a_{a_1}(a_{a_1}(a_{b_1}(b_{b_1}(x1))))) -> a_{b_1}(b_{a_1}(a_{b_1}(b_{a_1}(a_{b_1}(x1))))) 39.66/11.04 a_{a_1}(a_{a_1}(a_{a_1}(a_{b_1}(b_{a_1}(x1))))) -> a_{b_1}(b_{a_1}(a_{b_1}(b_{a_1}(a_{a_1}(x1))))) 39.66/11.04 39.66/11.04 Q is empty. 39.66/11.04 39.66/11.04 ---------------------------------------- 39.66/11.04 39.66/11.04 (5) DependencyPairsProof (EQUIVALENT) 39.66/11.04 Using Dependency Pairs [AG00,LPAR04] we result in the following initial DP problem. 39.66/11.04 ---------------------------------------- 39.66/11.04 39.66/11.04 (6) 39.66/11.04 Obligation: 39.66/11.04 Q DP problem: 39.66/11.04 The TRS P consists of the following rules: 39.66/11.04 39.66/11.04 B_{A_1}(a_{b_1}(b_{a_1}(a_{b_1}(x1)))) -> B_{A_1}(a_{b_1}(b_{b_1}(b_{b_1}(x1)))) 39.66/11.04 B_{A_1}(a_{b_1}(b_{a_1}(a_{b_1}(x1)))) -> B_{B_1}(b_{b_1}(x1)) 39.66/11.04 B_{A_1}(a_{b_1}(b_{a_1}(a_{b_1}(x1)))) -> B_{B_1}(x1) 39.66/11.04 B_{A_1}(a_{b_1}(b_{a_1}(a_{a_1}(x1)))) -> B_{A_1}(a_{b_1}(b_{b_1}(b_{a_1}(x1)))) 39.66/11.04 B_{A_1}(a_{b_1}(b_{a_1}(a_{a_1}(x1)))) -> B_{B_1}(b_{a_1}(x1)) 39.66/11.04 B_{A_1}(a_{b_1}(b_{a_1}(a_{a_1}(x1)))) -> B_{A_1}(x1) 39.66/11.04 B_{B_1}(b_{b_1}(b_{b_1}(b_{b_1}(x1)))) -> B_{A_1}(a_{a_1}(a_{b_1}(b_{b_1}(x1)))) 39.66/11.04 B_{B_1}(b_{b_1}(b_{b_1}(b_{b_1}(x1)))) -> A_{A_1}(a_{b_1}(b_{b_1}(x1))) 39.66/11.04 B_{B_1}(b_{b_1}(b_{b_1}(b_{a_1}(x1)))) -> B_{A_1}(a_{a_1}(a_{b_1}(b_{a_1}(x1)))) 39.66/11.04 B_{B_1}(b_{b_1}(b_{b_1}(b_{a_1}(x1)))) -> A_{A_1}(a_{b_1}(b_{a_1}(x1))) 39.66/11.04 B_{A_1}(a_{a_1}(a_{a_1}(a_{b_1}(b_{b_1}(x1))))) -> B_{B_1}(b_{a_1}(a_{b_1}(b_{a_1}(a_{b_1}(x1))))) 39.66/11.04 B_{A_1}(a_{a_1}(a_{a_1}(a_{b_1}(b_{b_1}(x1))))) -> B_{A_1}(a_{b_1}(b_{a_1}(a_{b_1}(x1)))) 39.66/11.04 B_{A_1}(a_{a_1}(a_{a_1}(a_{b_1}(b_{b_1}(x1))))) -> B_{A_1}(a_{b_1}(x1)) 39.66/11.04 B_{A_1}(a_{a_1}(a_{a_1}(a_{b_1}(b_{a_1}(x1))))) -> B_{B_1}(b_{a_1}(a_{b_1}(b_{a_1}(a_{a_1}(x1))))) 39.66/11.04 B_{A_1}(a_{a_1}(a_{a_1}(a_{b_1}(b_{a_1}(x1))))) -> B_{A_1}(a_{b_1}(b_{a_1}(a_{a_1}(x1)))) 39.66/11.04 B_{A_1}(a_{a_1}(a_{a_1}(a_{b_1}(b_{a_1}(x1))))) -> B_{A_1}(a_{a_1}(x1)) 39.66/11.04 B_{A_1}(a_{a_1}(a_{a_1}(a_{b_1}(b_{a_1}(x1))))) -> A_{A_1}(x1) 39.66/11.04 A_{A_1}(a_{a_1}(a_{a_1}(a_{b_1}(b_{b_1}(x1))))) -> B_{A_1}(a_{b_1}(b_{a_1}(a_{b_1}(x1)))) 39.66/11.04 A_{A_1}(a_{a_1}(a_{a_1}(a_{b_1}(b_{b_1}(x1))))) -> B_{A_1}(a_{b_1}(x1)) 39.66/11.04 A_{A_1}(a_{a_1}(a_{a_1}(a_{b_1}(b_{a_1}(x1))))) -> B_{A_1}(a_{b_1}(b_{a_1}(a_{a_1}(x1)))) 39.66/11.04 A_{A_1}(a_{a_1}(a_{a_1}(a_{b_1}(b_{a_1}(x1))))) -> B_{A_1}(a_{a_1}(x1)) 39.66/11.04 A_{A_1}(a_{a_1}(a_{a_1}(a_{b_1}(b_{a_1}(x1))))) -> A_{A_1}(x1) 39.66/11.04 39.66/11.04 The TRS R consists of the following rules: 39.66/11.04 39.66/11.04 b_{a_1}(a_{b_1}(b_{a_1}(a_{b_1}(x1)))) -> b_{a_1}(a_{b_1}(b_{b_1}(b_{b_1}(x1)))) 39.66/11.04 b_{a_1}(a_{b_1}(b_{a_1}(a_{a_1}(x1)))) -> b_{a_1}(a_{b_1}(b_{b_1}(b_{a_1}(x1)))) 39.66/11.04 b_{b_1}(b_{b_1}(b_{b_1}(b_{b_1}(x1)))) -> b_{a_1}(a_{a_1}(a_{b_1}(b_{b_1}(x1)))) 39.66/11.04 b_{b_1}(b_{b_1}(b_{b_1}(b_{a_1}(x1)))) -> b_{a_1}(a_{a_1}(a_{b_1}(b_{a_1}(x1)))) 39.66/11.04 b_{a_1}(a_{a_1}(a_{a_1}(a_{b_1}(b_{b_1}(x1))))) -> b_{b_1}(b_{a_1}(a_{b_1}(b_{a_1}(a_{b_1}(x1))))) 39.66/11.04 b_{a_1}(a_{a_1}(a_{a_1}(a_{b_1}(b_{a_1}(x1))))) -> b_{b_1}(b_{a_1}(a_{b_1}(b_{a_1}(a_{a_1}(x1))))) 39.66/11.04 a_{a_1}(a_{a_1}(a_{a_1}(a_{b_1}(b_{b_1}(x1))))) -> a_{b_1}(b_{a_1}(a_{b_1}(b_{a_1}(a_{b_1}(x1))))) 39.66/11.04 a_{a_1}(a_{a_1}(a_{a_1}(a_{b_1}(b_{a_1}(x1))))) -> a_{b_1}(b_{a_1}(a_{b_1}(b_{a_1}(a_{a_1}(x1))))) 39.66/11.04 39.66/11.04 Q is empty. 39.66/11.04 We have to consider all minimal (P,Q,R)-chains. 39.66/11.04 ---------------------------------------- 39.66/11.04 39.66/11.04 (7) DependencyGraphProof (EQUIVALENT) 39.66/11.04 The approximation of the Dependency Graph [LPAR04,FROCOS05,EDGSTAR] contains 1 SCC with 9 less nodes. 39.66/11.04 ---------------------------------------- 39.66/11.04 39.66/11.04 (8) 39.66/11.04 Obligation: 39.66/11.04 Q DP problem: 39.66/11.04 The TRS P consists of the following rules: 39.66/11.04 39.66/11.04 B_{A_1}(a_{b_1}(b_{a_1}(a_{a_1}(x1)))) -> B_{A_1}(a_{b_1}(b_{b_1}(b_{a_1}(x1)))) 39.66/11.04 B_{A_1}(a_{b_1}(b_{a_1}(a_{b_1}(x1)))) -> B_{A_1}(a_{b_1}(b_{b_1}(b_{b_1}(x1)))) 39.66/11.04 B_{A_1}(a_{b_1}(b_{a_1}(a_{a_1}(x1)))) -> B_{A_1}(x1) 39.66/11.04 B_{A_1}(a_{a_1}(a_{a_1}(a_{b_1}(b_{b_1}(x1))))) -> B_{A_1}(a_{b_1}(b_{a_1}(a_{b_1}(x1)))) 39.66/11.04 B_{A_1}(a_{a_1}(a_{a_1}(a_{b_1}(b_{b_1}(x1))))) -> B_{A_1}(a_{b_1}(x1)) 39.66/11.04 B_{A_1}(a_{a_1}(a_{a_1}(a_{b_1}(b_{a_1}(x1))))) -> B_{A_1}(a_{b_1}(b_{a_1}(a_{a_1}(x1)))) 39.66/11.04 B_{A_1}(a_{a_1}(a_{a_1}(a_{b_1}(b_{a_1}(x1))))) -> B_{A_1}(a_{a_1}(x1)) 39.66/11.04 B_{A_1}(a_{a_1}(a_{a_1}(a_{b_1}(b_{a_1}(x1))))) -> A_{A_1}(x1) 39.66/11.04 A_{A_1}(a_{a_1}(a_{a_1}(a_{b_1}(b_{b_1}(x1))))) -> B_{A_1}(a_{b_1}(b_{a_1}(a_{b_1}(x1)))) 39.66/11.04 A_{A_1}(a_{a_1}(a_{a_1}(a_{b_1}(b_{b_1}(x1))))) -> B_{A_1}(a_{b_1}(x1)) 39.66/11.04 A_{A_1}(a_{a_1}(a_{a_1}(a_{b_1}(b_{a_1}(x1))))) -> B_{A_1}(a_{b_1}(b_{a_1}(a_{a_1}(x1)))) 39.66/11.04 A_{A_1}(a_{a_1}(a_{a_1}(a_{b_1}(b_{a_1}(x1))))) -> B_{A_1}(a_{a_1}(x1)) 39.66/11.04 A_{A_1}(a_{a_1}(a_{a_1}(a_{b_1}(b_{a_1}(x1))))) -> A_{A_1}(x1) 39.66/11.04 39.66/11.04 The TRS R consists of the following rules: 39.66/11.04 39.66/11.04 b_{a_1}(a_{b_1}(b_{a_1}(a_{b_1}(x1)))) -> b_{a_1}(a_{b_1}(b_{b_1}(b_{b_1}(x1)))) 39.66/11.04 b_{a_1}(a_{b_1}(b_{a_1}(a_{a_1}(x1)))) -> b_{a_1}(a_{b_1}(b_{b_1}(b_{a_1}(x1)))) 39.66/11.04 b_{b_1}(b_{b_1}(b_{b_1}(b_{b_1}(x1)))) -> b_{a_1}(a_{a_1}(a_{b_1}(b_{b_1}(x1)))) 39.66/11.04 b_{b_1}(b_{b_1}(b_{b_1}(b_{a_1}(x1)))) -> b_{a_1}(a_{a_1}(a_{b_1}(b_{a_1}(x1)))) 39.66/11.04 b_{a_1}(a_{a_1}(a_{a_1}(a_{b_1}(b_{b_1}(x1))))) -> b_{b_1}(b_{a_1}(a_{b_1}(b_{a_1}(a_{b_1}(x1))))) 39.66/11.04 b_{a_1}(a_{a_1}(a_{a_1}(a_{b_1}(b_{a_1}(x1))))) -> b_{b_1}(b_{a_1}(a_{b_1}(b_{a_1}(a_{a_1}(x1))))) 39.66/11.04 a_{a_1}(a_{a_1}(a_{a_1}(a_{b_1}(b_{b_1}(x1))))) -> a_{b_1}(b_{a_1}(a_{b_1}(b_{a_1}(a_{b_1}(x1))))) 39.66/11.04 a_{a_1}(a_{a_1}(a_{a_1}(a_{b_1}(b_{a_1}(x1))))) -> a_{b_1}(b_{a_1}(a_{b_1}(b_{a_1}(a_{a_1}(x1))))) 39.66/11.04 39.66/11.04 Q is empty. 39.66/11.04 We have to consider all minimal (P,Q,R)-chains. 39.66/11.04 ---------------------------------------- 39.66/11.04 39.66/11.04 (9) QDPOrderProof (EQUIVALENT) 39.66/11.04 We use the reduction pair processor [LPAR04,JAR06]. 39.66/11.04 39.66/11.04 39.66/11.04 The following pairs can be oriented strictly and are deleted. 39.66/11.04 39.66/11.04 B_{A_1}(a_{b_1}(b_{a_1}(a_{a_1}(x1)))) -> B_{A_1}(x1) 39.66/11.04 B_{A_1}(a_{a_1}(a_{a_1}(a_{b_1}(b_{b_1}(x1))))) -> B_{A_1}(a_{b_1}(b_{a_1}(a_{b_1}(x1)))) 39.66/11.04 B_{A_1}(a_{a_1}(a_{a_1}(a_{b_1}(b_{b_1}(x1))))) -> B_{A_1}(a_{b_1}(x1)) 39.66/11.04 B_{A_1}(a_{a_1}(a_{a_1}(a_{b_1}(b_{a_1}(x1))))) -> B_{A_1}(a_{b_1}(b_{a_1}(a_{a_1}(x1)))) 39.66/11.04 B_{A_1}(a_{a_1}(a_{a_1}(a_{b_1}(b_{a_1}(x1))))) -> B_{A_1}(a_{a_1}(x1)) 39.66/11.04 B_{A_1}(a_{a_1}(a_{a_1}(a_{b_1}(b_{a_1}(x1))))) -> A_{A_1}(x1) 39.66/11.04 A_{A_1}(a_{a_1}(a_{a_1}(a_{b_1}(b_{b_1}(x1))))) -> B_{A_1}(a_{b_1}(b_{a_1}(a_{b_1}(x1)))) 39.66/11.04 A_{A_1}(a_{a_1}(a_{a_1}(a_{b_1}(b_{b_1}(x1))))) -> B_{A_1}(a_{b_1}(x1)) 39.66/11.04 A_{A_1}(a_{a_1}(a_{a_1}(a_{b_1}(b_{a_1}(x1))))) -> B_{A_1}(a_{b_1}(b_{a_1}(a_{a_1}(x1)))) 39.66/11.04 A_{A_1}(a_{a_1}(a_{a_1}(a_{b_1}(b_{a_1}(x1))))) -> B_{A_1}(a_{a_1}(x1)) 39.66/11.04 A_{A_1}(a_{a_1}(a_{a_1}(a_{b_1}(b_{a_1}(x1))))) -> A_{A_1}(x1) 39.66/11.04 The remaining pairs can at least be oriented weakly. 39.66/11.04 Used ordering: Polynomial interpretation [POLO]: 39.66/11.04 39.66/11.04 POL(A_{A_1}(x_1)) = x_1 39.66/11.04 POL(B_{A_1}(x_1)) = x_1 39.66/11.04 POL(a_{a_1}(x_1)) = 1 + x_1 39.66/11.04 POL(a_{b_1}(x_1)) = 1 + x_1 39.66/11.04 POL(b_{a_1}(x_1)) = 1 + x_1 39.66/11.04 POL(b_{b_1}(x_1)) = 1 + x_1 39.66/11.04 39.66/11.04 The following usable rules [FROCOS05] with respect to the argument filtering of the ordering [JAR06] were oriented: 39.66/11.04 39.66/11.04 b_{a_1}(a_{b_1}(b_{a_1}(a_{a_1}(x1)))) -> b_{a_1}(a_{b_1}(b_{b_1}(b_{a_1}(x1)))) 39.66/11.04 b_{a_1}(a_{b_1}(b_{a_1}(a_{b_1}(x1)))) -> b_{a_1}(a_{b_1}(b_{b_1}(b_{b_1}(x1)))) 39.66/11.04 b_{a_1}(a_{a_1}(a_{a_1}(a_{b_1}(b_{b_1}(x1))))) -> b_{b_1}(b_{a_1}(a_{b_1}(b_{a_1}(a_{b_1}(x1))))) 39.66/11.04 b_{a_1}(a_{a_1}(a_{a_1}(a_{b_1}(b_{a_1}(x1))))) -> b_{b_1}(b_{a_1}(a_{b_1}(b_{a_1}(a_{a_1}(x1))))) 39.66/11.04 b_{b_1}(b_{b_1}(b_{b_1}(b_{b_1}(x1)))) -> b_{a_1}(a_{a_1}(a_{b_1}(b_{b_1}(x1)))) 39.66/11.04 b_{b_1}(b_{b_1}(b_{b_1}(b_{a_1}(x1)))) -> b_{a_1}(a_{a_1}(a_{b_1}(b_{a_1}(x1)))) 39.66/11.04 a_{a_1}(a_{a_1}(a_{a_1}(a_{b_1}(b_{b_1}(x1))))) -> a_{b_1}(b_{a_1}(a_{b_1}(b_{a_1}(a_{b_1}(x1))))) 39.66/11.04 a_{a_1}(a_{a_1}(a_{a_1}(a_{b_1}(b_{a_1}(x1))))) -> a_{b_1}(b_{a_1}(a_{b_1}(b_{a_1}(a_{a_1}(x1))))) 39.66/11.04 39.66/11.04 39.66/11.04 ---------------------------------------- 39.66/11.04 39.66/11.04 (10) 39.66/11.04 Obligation: 39.66/11.04 Q DP problem: 39.66/11.04 The TRS P consists of the following rules: 39.66/11.04 39.66/11.04 B_{A_1}(a_{b_1}(b_{a_1}(a_{a_1}(x1)))) -> B_{A_1}(a_{b_1}(b_{b_1}(b_{a_1}(x1)))) 39.66/11.04 B_{A_1}(a_{b_1}(b_{a_1}(a_{b_1}(x1)))) -> B_{A_1}(a_{b_1}(b_{b_1}(b_{b_1}(x1)))) 39.66/11.04 39.66/11.04 The TRS R consists of the following rules: 39.66/11.04 39.66/11.04 b_{a_1}(a_{b_1}(b_{a_1}(a_{b_1}(x1)))) -> b_{a_1}(a_{b_1}(b_{b_1}(b_{b_1}(x1)))) 39.66/11.04 b_{a_1}(a_{b_1}(b_{a_1}(a_{a_1}(x1)))) -> b_{a_1}(a_{b_1}(b_{b_1}(b_{a_1}(x1)))) 39.66/11.04 b_{b_1}(b_{b_1}(b_{b_1}(b_{b_1}(x1)))) -> b_{a_1}(a_{a_1}(a_{b_1}(b_{b_1}(x1)))) 39.66/11.04 b_{b_1}(b_{b_1}(b_{b_1}(b_{a_1}(x1)))) -> b_{a_1}(a_{a_1}(a_{b_1}(b_{a_1}(x1)))) 39.66/11.04 b_{a_1}(a_{a_1}(a_{a_1}(a_{b_1}(b_{b_1}(x1))))) -> b_{b_1}(b_{a_1}(a_{b_1}(b_{a_1}(a_{b_1}(x1))))) 39.66/11.04 b_{a_1}(a_{a_1}(a_{a_1}(a_{b_1}(b_{a_1}(x1))))) -> b_{b_1}(b_{a_1}(a_{b_1}(b_{a_1}(a_{a_1}(x1))))) 39.66/11.04 a_{a_1}(a_{a_1}(a_{a_1}(a_{b_1}(b_{b_1}(x1))))) -> a_{b_1}(b_{a_1}(a_{b_1}(b_{a_1}(a_{b_1}(x1))))) 39.66/11.04 a_{a_1}(a_{a_1}(a_{a_1}(a_{b_1}(b_{a_1}(x1))))) -> a_{b_1}(b_{a_1}(a_{b_1}(b_{a_1}(a_{a_1}(x1))))) 39.66/11.04 39.66/11.04 Q is empty. 39.66/11.04 We have to consider all minimal (P,Q,R)-chains. 39.66/11.04 ---------------------------------------- 39.66/11.04 39.66/11.04 (11) QDPOrderProof (EQUIVALENT) 39.66/11.04 We use the reduction pair processor [LPAR04,JAR06]. 39.66/11.04 39.66/11.04 39.66/11.04 The following pairs can be oriented strictly and are deleted. 39.66/11.04 39.66/11.04 B_{A_1}(a_{b_1}(b_{a_1}(a_{b_1}(x1)))) -> B_{A_1}(a_{b_1}(b_{b_1}(b_{b_1}(x1)))) 39.66/11.04 The remaining pairs can at least be oriented weakly. 39.66/11.04 Used ordering: Polynomial interpretation [POLO]: 39.66/11.04 39.66/11.04 POL(B_{A_1}(x_1)) = x_1 39.66/11.04 POL(a_{a_1}(x_1)) = 0 39.66/11.04 POL(a_{b_1}(x_1)) = 1 + x_1 39.66/11.04 POL(b_{a_1}(x_1)) = x_1 39.66/11.04 POL(b_{b_1}(x_1)) = 0 39.66/11.04 39.66/11.04 The following usable rules [FROCOS05] with respect to the argument filtering of the ordering [JAR06] were oriented: 39.66/11.04 39.66/11.04 b_{b_1}(b_{b_1}(b_{b_1}(b_{b_1}(x1)))) -> b_{a_1}(a_{a_1}(a_{b_1}(b_{b_1}(x1)))) 39.66/11.04 b_{b_1}(b_{b_1}(b_{b_1}(b_{a_1}(x1)))) -> b_{a_1}(a_{a_1}(a_{b_1}(b_{a_1}(x1)))) 39.66/11.04 39.66/11.04 39.66/11.04 ---------------------------------------- 39.66/11.04 39.66/11.04 (12) 39.66/11.04 Obligation: 39.66/11.04 Q DP problem: 39.66/11.04 The TRS P consists of the following rules: 39.66/11.04 39.66/11.04 B_{A_1}(a_{b_1}(b_{a_1}(a_{a_1}(x1)))) -> B_{A_1}(a_{b_1}(b_{b_1}(b_{a_1}(x1)))) 39.66/11.04 39.66/11.04 The TRS R consists of the following rules: 39.66/11.04 39.66/11.04 b_{a_1}(a_{b_1}(b_{a_1}(a_{b_1}(x1)))) -> b_{a_1}(a_{b_1}(b_{b_1}(b_{b_1}(x1)))) 39.66/11.04 b_{a_1}(a_{b_1}(b_{a_1}(a_{a_1}(x1)))) -> b_{a_1}(a_{b_1}(b_{b_1}(b_{a_1}(x1)))) 39.66/11.04 b_{b_1}(b_{b_1}(b_{b_1}(b_{b_1}(x1)))) -> b_{a_1}(a_{a_1}(a_{b_1}(b_{b_1}(x1)))) 39.66/11.04 b_{b_1}(b_{b_1}(b_{b_1}(b_{a_1}(x1)))) -> b_{a_1}(a_{a_1}(a_{b_1}(b_{a_1}(x1)))) 39.66/11.04 b_{a_1}(a_{a_1}(a_{a_1}(a_{b_1}(b_{b_1}(x1))))) -> b_{b_1}(b_{a_1}(a_{b_1}(b_{a_1}(a_{b_1}(x1))))) 39.66/11.04 b_{a_1}(a_{a_1}(a_{a_1}(a_{b_1}(b_{a_1}(x1))))) -> b_{b_1}(b_{a_1}(a_{b_1}(b_{a_1}(a_{a_1}(x1))))) 39.66/11.04 a_{a_1}(a_{a_1}(a_{a_1}(a_{b_1}(b_{b_1}(x1))))) -> a_{b_1}(b_{a_1}(a_{b_1}(b_{a_1}(a_{b_1}(x1))))) 39.66/11.04 a_{a_1}(a_{a_1}(a_{a_1}(a_{b_1}(b_{a_1}(x1))))) -> a_{b_1}(b_{a_1}(a_{b_1}(b_{a_1}(a_{a_1}(x1))))) 39.66/11.04 39.66/11.04 Q is empty. 39.66/11.04 We have to consider all minimal (P,Q,R)-chains. 39.66/11.04 ---------------------------------------- 39.66/11.04 39.66/11.04 (13) QDPOrderProof (EQUIVALENT) 39.66/11.04 We use the reduction pair processor [LPAR04,JAR06]. 39.66/11.04 39.66/11.04 39.66/11.04 The following pairs can be oriented strictly and are deleted. 39.66/11.04 39.66/11.04 B_{A_1}(a_{b_1}(b_{a_1}(a_{a_1}(x1)))) -> B_{A_1}(a_{b_1}(b_{b_1}(b_{a_1}(x1)))) 39.66/11.04 The remaining pairs can at least be oriented weakly. 39.66/11.04 Used ordering: Matrix interpretation [MATRO] with arctic natural numbers [ARCTIC]: 39.66/11.04 39.66/11.04 <<< 39.66/11.04 POL(B_{A_1}(x_1)) = [[-I]] + [[0A, 0A, 0A]] * x_1 39.66/11.04 >>> 39.66/11.04 39.66/11.04 <<< 39.66/11.04 POL(a_{b_1}(x_1)) = [[-I], [-I], [-I]] + [[0A, -I, -I], [0A, -I, -I], [0A, 0A, -I]] * x_1 39.66/11.04 >>> 39.66/11.04 39.66/11.04 <<< 39.66/11.04 POL(b_{a_1}(x_1)) = [[-I], [-I], [-I]] + [[0A, -I, -I], [0A, 0A, -I], [0A, 0A, -I]] * x_1 39.66/11.04 >>> 39.66/11.04 39.66/11.04 <<< 39.66/11.04 POL(a_{a_1}(x_1)) = [[-I], [0A], [0A]] + [[0A, 0A, -I], [1A, 1A, 0A], [-I, -I, 0A]] * x_1 39.66/11.04 >>> 39.66/11.04 39.66/11.04 <<< 39.66/11.04 POL(b_{b_1}(x_1)) = [[-I], [-I], [0A]] + [[0A, -I, -I], [0A, 0A, 0A], [1A, 0A, 0A]] * x_1 39.66/11.04 >>> 39.66/11.04 39.66/11.04 39.66/11.04 The following usable rules [FROCOS05] with respect to the argument filtering of the ordering [JAR06] were oriented: 39.66/11.04 39.66/11.04 b_{a_1}(a_{b_1}(b_{a_1}(a_{a_1}(x1)))) -> b_{a_1}(a_{b_1}(b_{b_1}(b_{a_1}(x1)))) 39.66/11.04 b_{a_1}(a_{b_1}(b_{a_1}(a_{b_1}(x1)))) -> b_{a_1}(a_{b_1}(b_{b_1}(b_{b_1}(x1)))) 39.66/11.04 b_{a_1}(a_{a_1}(a_{a_1}(a_{b_1}(b_{b_1}(x1))))) -> b_{b_1}(b_{a_1}(a_{b_1}(b_{a_1}(a_{b_1}(x1))))) 39.66/11.04 b_{a_1}(a_{a_1}(a_{a_1}(a_{b_1}(b_{a_1}(x1))))) -> b_{b_1}(b_{a_1}(a_{b_1}(b_{a_1}(a_{a_1}(x1))))) 39.66/11.04 b_{b_1}(b_{b_1}(b_{b_1}(b_{b_1}(x1)))) -> b_{a_1}(a_{a_1}(a_{b_1}(b_{b_1}(x1)))) 39.66/11.04 b_{b_1}(b_{b_1}(b_{b_1}(b_{a_1}(x1)))) -> b_{a_1}(a_{a_1}(a_{b_1}(b_{a_1}(x1)))) 39.66/11.04 a_{a_1}(a_{a_1}(a_{a_1}(a_{b_1}(b_{b_1}(x1))))) -> a_{b_1}(b_{a_1}(a_{b_1}(b_{a_1}(a_{b_1}(x1))))) 39.66/11.04 a_{a_1}(a_{a_1}(a_{a_1}(a_{b_1}(b_{a_1}(x1))))) -> a_{b_1}(b_{a_1}(a_{b_1}(b_{a_1}(a_{a_1}(x1))))) 39.66/11.04 39.66/11.04 39.66/11.04 ---------------------------------------- 39.66/11.04 39.66/11.04 (14) 39.66/11.04 Obligation: 39.66/11.04 Q DP problem: 39.66/11.04 P is empty. 39.66/11.04 The TRS R consists of the following rules: 39.66/11.04 39.66/11.04 b_{a_1}(a_{b_1}(b_{a_1}(a_{b_1}(x1)))) -> b_{a_1}(a_{b_1}(b_{b_1}(b_{b_1}(x1)))) 39.66/11.04 b_{a_1}(a_{b_1}(b_{a_1}(a_{a_1}(x1)))) -> b_{a_1}(a_{b_1}(b_{b_1}(b_{a_1}(x1)))) 39.66/11.04 b_{b_1}(b_{b_1}(b_{b_1}(b_{b_1}(x1)))) -> b_{a_1}(a_{a_1}(a_{b_1}(b_{b_1}(x1)))) 39.66/11.04 b_{b_1}(b_{b_1}(b_{b_1}(b_{a_1}(x1)))) -> b_{a_1}(a_{a_1}(a_{b_1}(b_{a_1}(x1)))) 39.66/11.04 b_{a_1}(a_{a_1}(a_{a_1}(a_{b_1}(b_{b_1}(x1))))) -> b_{b_1}(b_{a_1}(a_{b_1}(b_{a_1}(a_{b_1}(x1))))) 39.66/11.04 b_{a_1}(a_{a_1}(a_{a_1}(a_{b_1}(b_{a_1}(x1))))) -> b_{b_1}(b_{a_1}(a_{b_1}(b_{a_1}(a_{a_1}(x1))))) 39.66/11.04 a_{a_1}(a_{a_1}(a_{a_1}(a_{b_1}(b_{b_1}(x1))))) -> a_{b_1}(b_{a_1}(a_{b_1}(b_{a_1}(a_{b_1}(x1))))) 39.66/11.04 a_{a_1}(a_{a_1}(a_{a_1}(a_{b_1}(b_{a_1}(x1))))) -> a_{b_1}(b_{a_1}(a_{b_1}(b_{a_1}(a_{a_1}(x1))))) 39.66/11.04 39.66/11.04 Q is empty. 39.66/11.04 We have to consider all minimal (P,Q,R)-chains. 39.66/11.04 ---------------------------------------- 39.66/11.04 39.66/11.04 (15) PisEmptyProof (EQUIVALENT) 39.66/11.04 The TRS P is empty. Hence, there is no (P,Q,R) chain. 39.66/11.04 ---------------------------------------- 39.66/11.04 39.66/11.04 (16) 39.66/11.04 YES 39.74/11.14 EOF