25.22/7.35 YES 25.22/7.39 proof of /export/starexec/sandbox/benchmark/theBenchmark.xml 25.22/7.39 # AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty 25.22/7.39 25.22/7.39 25.22/7.39 Termination w.r.t. Q of the given QTRS could be proven: 25.22/7.39 25.22/7.39 (0) QTRS 25.22/7.39 (1) FlatCCProof [EQUIVALENT, 0 ms] 25.22/7.39 (2) QTRS 25.22/7.39 (3) RootLabelingProof [EQUIVALENT, 0 ms] 25.22/7.39 (4) QTRS 25.22/7.39 (5) QTRSRRRProof [EQUIVALENT, 69 ms] 25.22/7.39 (6) QTRS 25.22/7.39 (7) DependencyPairsProof [EQUIVALENT, 16 ms] 25.22/7.39 (8) QDP 25.22/7.39 (9) DependencyGraphProof [EQUIVALENT, 0 ms] 25.22/7.39 (10) QDP 25.22/7.39 (11) QDPOrderProof [EQUIVALENT, 62 ms] 25.22/7.39 (12) QDP 25.22/7.39 (13) DependencyGraphProof [EQUIVALENT, 0 ms] 25.22/7.39 (14) TRUE 25.22/7.39 25.22/7.39 25.22/7.39 ---------------------------------------- 25.22/7.39 25.22/7.39 (0) 25.22/7.39 Obligation: 25.22/7.39 Q restricted rewrite system: 25.22/7.39 The TRS R consists of the following rules: 25.22/7.39 25.22/7.39 a(x1) -> x1 25.22/7.39 a(a(x1)) -> a(b(x1)) 25.22/7.39 b(x1) -> x1 25.22/7.39 c(b(x1)) -> a(b(c(c(x1)))) 25.22/7.39 25.22/7.39 Q is empty. 25.22/7.39 25.22/7.39 ---------------------------------------- 25.22/7.39 25.22/7.39 (1) FlatCCProof (EQUIVALENT) 25.22/7.39 We used flat context closure [ROOTLAB] 25.22/7.39 As Q is empty the flat context closure was sound AND complete. 25.22/7.39 25.22/7.39 ---------------------------------------- 25.22/7.39 25.22/7.39 (2) 25.22/7.39 Obligation: 25.22/7.39 Q restricted rewrite system: 25.22/7.39 The TRS R consists of the following rules: 25.22/7.39 25.22/7.39 a(a(x1)) -> a(b(x1)) 25.22/7.39 a(a(x1)) -> a(x1) 25.22/7.39 b(a(x1)) -> b(x1) 25.22/7.39 c(a(x1)) -> c(x1) 25.22/7.39 a(b(x1)) -> a(x1) 25.22/7.39 b(b(x1)) -> b(x1) 25.22/7.39 c(b(x1)) -> c(x1) 25.22/7.39 a(c(b(x1))) -> a(a(b(c(c(x1))))) 25.22/7.39 b(c(b(x1))) -> b(a(b(c(c(x1))))) 25.22/7.39 c(c(b(x1))) -> c(a(b(c(c(x1))))) 25.22/7.39 25.22/7.39 Q is empty. 25.22/7.39 25.22/7.39 ---------------------------------------- 25.22/7.39 25.22/7.39 (3) RootLabelingProof (EQUIVALENT) 25.22/7.39 We used plain root labeling [ROOTLAB] with the following heuristic: 25.22/7.39 LabelAll: All function symbols get labeled 25.22/7.39 25.22/7.39 As Q is empty the root labeling was sound AND complete. 25.22/7.39 25.22/7.39 ---------------------------------------- 25.22/7.39 25.22/7.39 (4) 25.22/7.39 Obligation: 25.22/7.39 Q restricted rewrite system: 25.22/7.39 The TRS R consists of the following rules: 25.22/7.39 25.22/7.39 a_{a_1}(a_{a_1}(x1)) -> a_{b_1}(b_{a_1}(x1)) 25.22/7.39 a_{a_1}(a_{b_1}(x1)) -> a_{b_1}(b_{b_1}(x1)) 25.22/7.39 a_{a_1}(a_{c_1}(x1)) -> a_{b_1}(b_{c_1}(x1)) 25.22/7.39 a_{a_1}(a_{a_1}(x1)) -> a_{a_1}(x1) 25.22/7.39 a_{a_1}(a_{b_1}(x1)) -> a_{b_1}(x1) 25.22/7.39 a_{a_1}(a_{c_1}(x1)) -> a_{c_1}(x1) 25.22/7.39 b_{a_1}(a_{a_1}(x1)) -> b_{a_1}(x1) 25.22/7.39 b_{a_1}(a_{b_1}(x1)) -> b_{b_1}(x1) 25.22/7.39 b_{a_1}(a_{c_1}(x1)) -> b_{c_1}(x1) 25.22/7.39 c_{a_1}(a_{a_1}(x1)) -> c_{a_1}(x1) 25.22/7.39 c_{a_1}(a_{b_1}(x1)) -> c_{b_1}(x1) 25.22/7.39 c_{a_1}(a_{c_1}(x1)) -> c_{c_1}(x1) 25.22/7.39 a_{b_1}(b_{a_1}(x1)) -> a_{a_1}(x1) 25.22/7.39 a_{b_1}(b_{b_1}(x1)) -> a_{b_1}(x1) 25.22/7.39 a_{b_1}(b_{c_1}(x1)) -> a_{c_1}(x1) 25.22/7.39 b_{b_1}(b_{a_1}(x1)) -> b_{a_1}(x1) 25.22/7.39 b_{b_1}(b_{b_1}(x1)) -> b_{b_1}(x1) 25.22/7.39 b_{b_1}(b_{c_1}(x1)) -> b_{c_1}(x1) 25.22/7.39 c_{b_1}(b_{a_1}(x1)) -> c_{a_1}(x1) 25.22/7.39 c_{b_1}(b_{b_1}(x1)) -> c_{b_1}(x1) 25.22/7.39 c_{b_1}(b_{c_1}(x1)) -> c_{c_1}(x1) 25.22/7.39 a_{c_1}(c_{b_1}(b_{a_1}(x1))) -> a_{a_1}(a_{b_1}(b_{c_1}(c_{c_1}(c_{a_1}(x1))))) 25.22/7.39 a_{c_1}(c_{b_1}(b_{b_1}(x1))) -> a_{a_1}(a_{b_1}(b_{c_1}(c_{c_1}(c_{b_1}(x1))))) 25.22/7.39 a_{c_1}(c_{b_1}(b_{c_1}(x1))) -> a_{a_1}(a_{b_1}(b_{c_1}(c_{c_1}(c_{c_1}(x1))))) 25.22/7.39 b_{c_1}(c_{b_1}(b_{a_1}(x1))) -> b_{a_1}(a_{b_1}(b_{c_1}(c_{c_1}(c_{a_1}(x1))))) 25.22/7.39 b_{c_1}(c_{b_1}(b_{b_1}(x1))) -> b_{a_1}(a_{b_1}(b_{c_1}(c_{c_1}(c_{b_1}(x1))))) 25.22/7.39 b_{c_1}(c_{b_1}(b_{c_1}(x1))) -> b_{a_1}(a_{b_1}(b_{c_1}(c_{c_1}(c_{c_1}(x1))))) 25.22/7.39 c_{c_1}(c_{b_1}(b_{a_1}(x1))) -> c_{a_1}(a_{b_1}(b_{c_1}(c_{c_1}(c_{a_1}(x1))))) 25.22/7.39 c_{c_1}(c_{b_1}(b_{b_1}(x1))) -> c_{a_1}(a_{b_1}(b_{c_1}(c_{c_1}(c_{b_1}(x1))))) 25.22/7.39 c_{c_1}(c_{b_1}(b_{c_1}(x1))) -> c_{a_1}(a_{b_1}(b_{c_1}(c_{c_1}(c_{c_1}(x1))))) 25.22/7.39 25.22/7.39 Q is empty. 25.22/7.39 25.22/7.39 ---------------------------------------- 25.22/7.39 25.22/7.39 (5) QTRSRRRProof (EQUIVALENT) 25.22/7.39 Used ordering: 25.22/7.39 Polynomial interpretation [POLO]: 25.22/7.39 25.22/7.39 POL(a_{a_1}(x_1)) = 1 + x_1 25.22/7.39 POL(a_{b_1}(x_1)) = 1 + x_1 25.22/7.39 POL(a_{c_1}(x_1)) = 1 + x_1 25.22/7.39 POL(b_{a_1}(x_1)) = x_1 25.22/7.39 POL(b_{b_1}(x_1)) = 1 + x_1 25.22/7.39 POL(b_{c_1}(x_1)) = x_1 25.22/7.39 POL(c_{a_1}(x_1)) = x_1 25.22/7.39 POL(c_{b_1}(x_1)) = 1 + x_1 25.22/7.39 POL(c_{c_1}(x_1)) = x_1 25.22/7.39 With this ordering the following rules can be removed by the rule removal processor [LPAR04] because they are oriented strictly: 25.22/7.39 25.22/7.39 a_{a_1}(a_{a_1}(x1)) -> a_{b_1}(b_{a_1}(x1)) 25.22/7.39 a_{a_1}(a_{c_1}(x1)) -> a_{b_1}(b_{c_1}(x1)) 25.22/7.39 a_{a_1}(a_{a_1}(x1)) -> a_{a_1}(x1) 25.22/7.39 a_{a_1}(a_{b_1}(x1)) -> a_{b_1}(x1) 25.22/7.39 a_{a_1}(a_{c_1}(x1)) -> a_{c_1}(x1) 25.22/7.39 b_{a_1}(a_{a_1}(x1)) -> b_{a_1}(x1) 25.22/7.39 b_{a_1}(a_{c_1}(x1)) -> b_{c_1}(x1) 25.22/7.39 c_{a_1}(a_{a_1}(x1)) -> c_{a_1}(x1) 25.22/7.39 c_{a_1}(a_{c_1}(x1)) -> c_{c_1}(x1) 25.22/7.39 a_{b_1}(b_{b_1}(x1)) -> a_{b_1}(x1) 25.22/7.39 b_{b_1}(b_{a_1}(x1)) -> b_{a_1}(x1) 25.22/7.39 b_{b_1}(b_{b_1}(x1)) -> b_{b_1}(x1) 25.22/7.39 b_{b_1}(b_{c_1}(x1)) -> b_{c_1}(x1) 25.22/7.39 c_{b_1}(b_{a_1}(x1)) -> c_{a_1}(x1) 25.22/7.39 c_{b_1}(b_{b_1}(x1)) -> c_{b_1}(x1) 25.22/7.39 c_{b_1}(b_{c_1}(x1)) -> c_{c_1}(x1) 25.22/7.39 25.22/7.39 25.22/7.39 25.22/7.39 25.22/7.39 ---------------------------------------- 25.22/7.39 25.22/7.39 (6) 25.22/7.39 Obligation: 25.22/7.39 Q restricted rewrite system: 25.22/7.39 The TRS R consists of the following rules: 25.22/7.39 25.22/7.39 a_{a_1}(a_{b_1}(x1)) -> a_{b_1}(b_{b_1}(x1)) 25.22/7.39 b_{a_1}(a_{b_1}(x1)) -> b_{b_1}(x1) 25.22/7.39 c_{a_1}(a_{b_1}(x1)) -> c_{b_1}(x1) 25.22/7.39 a_{b_1}(b_{a_1}(x1)) -> a_{a_1}(x1) 25.22/7.39 a_{b_1}(b_{c_1}(x1)) -> a_{c_1}(x1) 25.22/7.39 a_{c_1}(c_{b_1}(b_{a_1}(x1))) -> a_{a_1}(a_{b_1}(b_{c_1}(c_{c_1}(c_{a_1}(x1))))) 25.22/7.39 a_{c_1}(c_{b_1}(b_{b_1}(x1))) -> a_{a_1}(a_{b_1}(b_{c_1}(c_{c_1}(c_{b_1}(x1))))) 25.22/7.39 a_{c_1}(c_{b_1}(b_{c_1}(x1))) -> a_{a_1}(a_{b_1}(b_{c_1}(c_{c_1}(c_{c_1}(x1))))) 25.22/7.39 b_{c_1}(c_{b_1}(b_{a_1}(x1))) -> b_{a_1}(a_{b_1}(b_{c_1}(c_{c_1}(c_{a_1}(x1))))) 25.22/7.39 b_{c_1}(c_{b_1}(b_{b_1}(x1))) -> b_{a_1}(a_{b_1}(b_{c_1}(c_{c_1}(c_{b_1}(x1))))) 25.22/7.39 b_{c_1}(c_{b_1}(b_{c_1}(x1))) -> b_{a_1}(a_{b_1}(b_{c_1}(c_{c_1}(c_{c_1}(x1))))) 25.22/7.39 c_{c_1}(c_{b_1}(b_{a_1}(x1))) -> c_{a_1}(a_{b_1}(b_{c_1}(c_{c_1}(c_{a_1}(x1))))) 25.22/7.39 c_{c_1}(c_{b_1}(b_{b_1}(x1))) -> c_{a_1}(a_{b_1}(b_{c_1}(c_{c_1}(c_{b_1}(x1))))) 25.22/7.39 c_{c_1}(c_{b_1}(b_{c_1}(x1))) -> c_{a_1}(a_{b_1}(b_{c_1}(c_{c_1}(c_{c_1}(x1))))) 25.22/7.39 25.22/7.39 Q is empty. 25.22/7.39 25.22/7.39 ---------------------------------------- 25.22/7.39 25.22/7.39 (7) DependencyPairsProof (EQUIVALENT) 25.22/7.39 Using Dependency Pairs [AG00,LPAR04] we result in the following initial DP problem. 25.22/7.39 ---------------------------------------- 25.22/7.39 25.22/7.39 (8) 25.22/7.39 Obligation: 25.22/7.39 Q DP problem: 25.22/7.39 The TRS P consists of the following rules: 25.22/7.39 25.22/7.39 A_{A_1}(a_{b_1}(x1)) -> A_{B_1}(b_{b_1}(x1)) 25.22/7.39 A_{B_1}(b_{a_1}(x1)) -> A_{A_1}(x1) 25.22/7.39 A_{B_1}(b_{c_1}(x1)) -> A_{C_1}(x1) 25.22/7.39 A_{C_1}(c_{b_1}(b_{a_1}(x1))) -> A_{A_1}(a_{b_1}(b_{c_1}(c_{c_1}(c_{a_1}(x1))))) 25.22/7.39 A_{C_1}(c_{b_1}(b_{a_1}(x1))) -> A_{B_1}(b_{c_1}(c_{c_1}(c_{a_1}(x1)))) 25.22/7.39 A_{C_1}(c_{b_1}(b_{a_1}(x1))) -> B_{C_1}(c_{c_1}(c_{a_1}(x1))) 25.22/7.39 A_{C_1}(c_{b_1}(b_{a_1}(x1))) -> C_{C_1}(c_{a_1}(x1)) 25.22/7.39 A_{C_1}(c_{b_1}(b_{a_1}(x1))) -> C_{A_1}(x1) 25.22/7.39 A_{C_1}(c_{b_1}(b_{b_1}(x1))) -> A_{A_1}(a_{b_1}(b_{c_1}(c_{c_1}(c_{b_1}(x1))))) 25.22/7.39 A_{C_1}(c_{b_1}(b_{b_1}(x1))) -> A_{B_1}(b_{c_1}(c_{c_1}(c_{b_1}(x1)))) 25.22/7.39 A_{C_1}(c_{b_1}(b_{b_1}(x1))) -> B_{C_1}(c_{c_1}(c_{b_1}(x1))) 25.22/7.39 A_{C_1}(c_{b_1}(b_{b_1}(x1))) -> C_{C_1}(c_{b_1}(x1)) 25.22/7.39 A_{C_1}(c_{b_1}(b_{c_1}(x1))) -> A_{A_1}(a_{b_1}(b_{c_1}(c_{c_1}(c_{c_1}(x1))))) 25.22/7.39 A_{C_1}(c_{b_1}(b_{c_1}(x1))) -> A_{B_1}(b_{c_1}(c_{c_1}(c_{c_1}(x1)))) 25.22/7.39 A_{C_1}(c_{b_1}(b_{c_1}(x1))) -> B_{C_1}(c_{c_1}(c_{c_1}(x1))) 25.22/7.39 A_{C_1}(c_{b_1}(b_{c_1}(x1))) -> C_{C_1}(c_{c_1}(x1)) 25.22/7.39 A_{C_1}(c_{b_1}(b_{c_1}(x1))) -> C_{C_1}(x1) 25.22/7.39 B_{C_1}(c_{b_1}(b_{a_1}(x1))) -> B_{A_1}(a_{b_1}(b_{c_1}(c_{c_1}(c_{a_1}(x1))))) 25.22/7.39 B_{C_1}(c_{b_1}(b_{a_1}(x1))) -> A_{B_1}(b_{c_1}(c_{c_1}(c_{a_1}(x1)))) 25.22/7.39 B_{C_1}(c_{b_1}(b_{a_1}(x1))) -> B_{C_1}(c_{c_1}(c_{a_1}(x1))) 25.22/7.39 B_{C_1}(c_{b_1}(b_{a_1}(x1))) -> C_{C_1}(c_{a_1}(x1)) 25.22/7.39 B_{C_1}(c_{b_1}(b_{a_1}(x1))) -> C_{A_1}(x1) 25.22/7.39 B_{C_1}(c_{b_1}(b_{b_1}(x1))) -> B_{A_1}(a_{b_1}(b_{c_1}(c_{c_1}(c_{b_1}(x1))))) 25.22/7.39 B_{C_1}(c_{b_1}(b_{b_1}(x1))) -> A_{B_1}(b_{c_1}(c_{c_1}(c_{b_1}(x1)))) 25.22/7.39 B_{C_1}(c_{b_1}(b_{b_1}(x1))) -> B_{C_1}(c_{c_1}(c_{b_1}(x1))) 25.22/7.39 B_{C_1}(c_{b_1}(b_{b_1}(x1))) -> C_{C_1}(c_{b_1}(x1)) 25.22/7.39 B_{C_1}(c_{b_1}(b_{c_1}(x1))) -> B_{A_1}(a_{b_1}(b_{c_1}(c_{c_1}(c_{c_1}(x1))))) 25.22/7.39 B_{C_1}(c_{b_1}(b_{c_1}(x1))) -> A_{B_1}(b_{c_1}(c_{c_1}(c_{c_1}(x1)))) 25.22/7.39 B_{C_1}(c_{b_1}(b_{c_1}(x1))) -> B_{C_1}(c_{c_1}(c_{c_1}(x1))) 25.22/7.39 B_{C_1}(c_{b_1}(b_{c_1}(x1))) -> C_{C_1}(c_{c_1}(x1)) 25.22/7.39 B_{C_1}(c_{b_1}(b_{c_1}(x1))) -> C_{C_1}(x1) 25.22/7.39 C_{C_1}(c_{b_1}(b_{a_1}(x1))) -> C_{A_1}(a_{b_1}(b_{c_1}(c_{c_1}(c_{a_1}(x1))))) 25.22/7.39 C_{C_1}(c_{b_1}(b_{a_1}(x1))) -> A_{B_1}(b_{c_1}(c_{c_1}(c_{a_1}(x1)))) 25.22/7.39 C_{C_1}(c_{b_1}(b_{a_1}(x1))) -> B_{C_1}(c_{c_1}(c_{a_1}(x1))) 25.22/7.39 C_{C_1}(c_{b_1}(b_{a_1}(x1))) -> C_{C_1}(c_{a_1}(x1)) 25.22/7.39 C_{C_1}(c_{b_1}(b_{a_1}(x1))) -> C_{A_1}(x1) 25.22/7.39 C_{C_1}(c_{b_1}(b_{b_1}(x1))) -> C_{A_1}(a_{b_1}(b_{c_1}(c_{c_1}(c_{b_1}(x1))))) 25.22/7.39 C_{C_1}(c_{b_1}(b_{b_1}(x1))) -> A_{B_1}(b_{c_1}(c_{c_1}(c_{b_1}(x1)))) 25.22/7.39 C_{C_1}(c_{b_1}(b_{b_1}(x1))) -> B_{C_1}(c_{c_1}(c_{b_1}(x1))) 25.22/7.39 C_{C_1}(c_{b_1}(b_{b_1}(x1))) -> C_{C_1}(c_{b_1}(x1)) 25.22/7.39 C_{C_1}(c_{b_1}(b_{c_1}(x1))) -> C_{A_1}(a_{b_1}(b_{c_1}(c_{c_1}(c_{c_1}(x1))))) 25.22/7.39 C_{C_1}(c_{b_1}(b_{c_1}(x1))) -> A_{B_1}(b_{c_1}(c_{c_1}(c_{c_1}(x1)))) 25.22/7.39 C_{C_1}(c_{b_1}(b_{c_1}(x1))) -> B_{C_1}(c_{c_1}(c_{c_1}(x1))) 25.22/7.39 C_{C_1}(c_{b_1}(b_{c_1}(x1))) -> C_{C_1}(c_{c_1}(x1)) 25.22/7.39 C_{C_1}(c_{b_1}(b_{c_1}(x1))) -> C_{C_1}(x1) 25.22/7.39 25.22/7.39 The TRS R consists of the following rules: 25.22/7.39 25.22/7.39 a_{a_1}(a_{b_1}(x1)) -> a_{b_1}(b_{b_1}(x1)) 25.22/7.39 b_{a_1}(a_{b_1}(x1)) -> b_{b_1}(x1) 25.22/7.39 c_{a_1}(a_{b_1}(x1)) -> c_{b_1}(x1) 25.22/7.39 a_{b_1}(b_{a_1}(x1)) -> a_{a_1}(x1) 25.22/7.39 a_{b_1}(b_{c_1}(x1)) -> a_{c_1}(x1) 25.22/7.39 a_{c_1}(c_{b_1}(b_{a_1}(x1))) -> a_{a_1}(a_{b_1}(b_{c_1}(c_{c_1}(c_{a_1}(x1))))) 25.22/7.39 a_{c_1}(c_{b_1}(b_{b_1}(x1))) -> a_{a_1}(a_{b_1}(b_{c_1}(c_{c_1}(c_{b_1}(x1))))) 25.22/7.39 a_{c_1}(c_{b_1}(b_{c_1}(x1))) -> a_{a_1}(a_{b_1}(b_{c_1}(c_{c_1}(c_{c_1}(x1))))) 25.22/7.39 b_{c_1}(c_{b_1}(b_{a_1}(x1))) -> b_{a_1}(a_{b_1}(b_{c_1}(c_{c_1}(c_{a_1}(x1))))) 25.22/7.39 b_{c_1}(c_{b_1}(b_{b_1}(x1))) -> b_{a_1}(a_{b_1}(b_{c_1}(c_{c_1}(c_{b_1}(x1))))) 25.22/7.39 b_{c_1}(c_{b_1}(b_{c_1}(x1))) -> b_{a_1}(a_{b_1}(b_{c_1}(c_{c_1}(c_{c_1}(x1))))) 25.22/7.39 c_{c_1}(c_{b_1}(b_{a_1}(x1))) -> c_{a_1}(a_{b_1}(b_{c_1}(c_{c_1}(c_{a_1}(x1))))) 25.22/7.39 c_{c_1}(c_{b_1}(b_{b_1}(x1))) -> c_{a_1}(a_{b_1}(b_{c_1}(c_{c_1}(c_{b_1}(x1))))) 25.22/7.39 c_{c_1}(c_{b_1}(b_{c_1}(x1))) -> c_{a_1}(a_{b_1}(b_{c_1}(c_{c_1}(c_{c_1}(x1))))) 25.22/7.39 25.22/7.39 Q is empty. 25.22/7.39 We have to consider all minimal (P,Q,R)-chains. 25.22/7.39 ---------------------------------------- 25.22/7.39 25.22/7.39 (9) DependencyGraphProof (EQUIVALENT) 25.22/7.39 The approximation of the Dependency Graph [LPAR04,FROCOS05,EDGSTAR] contains 1 SCC with 14 less nodes. 25.22/7.39 ---------------------------------------- 25.22/7.39 25.22/7.39 (10) 25.22/7.39 Obligation: 25.22/7.39 Q DP problem: 25.22/7.39 The TRS P consists of the following rules: 25.22/7.39 25.22/7.39 A_{B_1}(b_{c_1}(x1)) -> A_{C_1}(x1) 25.22/7.39 A_{C_1}(c_{b_1}(b_{a_1}(x1))) -> A_{B_1}(b_{c_1}(c_{c_1}(c_{a_1}(x1)))) 25.22/7.39 A_{C_1}(c_{b_1}(b_{a_1}(x1))) -> B_{C_1}(c_{c_1}(c_{a_1}(x1))) 25.22/7.39 B_{C_1}(c_{b_1}(b_{a_1}(x1))) -> A_{B_1}(b_{c_1}(c_{c_1}(c_{a_1}(x1)))) 25.22/7.39 B_{C_1}(c_{b_1}(b_{a_1}(x1))) -> B_{C_1}(c_{c_1}(c_{a_1}(x1))) 25.22/7.39 B_{C_1}(c_{b_1}(b_{a_1}(x1))) -> C_{C_1}(c_{a_1}(x1)) 25.22/7.39 C_{C_1}(c_{b_1}(b_{a_1}(x1))) -> A_{B_1}(b_{c_1}(c_{c_1}(c_{a_1}(x1)))) 25.22/7.39 C_{C_1}(c_{b_1}(b_{a_1}(x1))) -> B_{C_1}(c_{c_1}(c_{a_1}(x1))) 25.22/7.39 B_{C_1}(c_{b_1}(b_{b_1}(x1))) -> A_{B_1}(b_{c_1}(c_{c_1}(c_{b_1}(x1)))) 25.22/7.39 B_{C_1}(c_{b_1}(b_{b_1}(x1))) -> B_{C_1}(c_{c_1}(c_{b_1}(x1))) 25.22/7.39 B_{C_1}(c_{b_1}(b_{b_1}(x1))) -> C_{C_1}(c_{b_1}(x1)) 25.22/7.39 C_{C_1}(c_{b_1}(b_{a_1}(x1))) -> C_{C_1}(c_{a_1}(x1)) 25.22/7.39 C_{C_1}(c_{b_1}(b_{b_1}(x1))) -> A_{B_1}(b_{c_1}(c_{c_1}(c_{b_1}(x1)))) 25.22/7.39 C_{C_1}(c_{b_1}(b_{b_1}(x1))) -> B_{C_1}(c_{c_1}(c_{b_1}(x1))) 25.22/7.39 B_{C_1}(c_{b_1}(b_{c_1}(x1))) -> A_{B_1}(b_{c_1}(c_{c_1}(c_{c_1}(x1)))) 25.22/7.39 B_{C_1}(c_{b_1}(b_{c_1}(x1))) -> B_{C_1}(c_{c_1}(c_{c_1}(x1))) 25.22/7.39 B_{C_1}(c_{b_1}(b_{c_1}(x1))) -> C_{C_1}(c_{c_1}(x1)) 25.22/7.39 C_{C_1}(c_{b_1}(b_{b_1}(x1))) -> C_{C_1}(c_{b_1}(x1)) 25.22/7.39 C_{C_1}(c_{b_1}(b_{c_1}(x1))) -> A_{B_1}(b_{c_1}(c_{c_1}(c_{c_1}(x1)))) 25.22/7.39 C_{C_1}(c_{b_1}(b_{c_1}(x1))) -> B_{C_1}(c_{c_1}(c_{c_1}(x1))) 25.22/7.39 B_{C_1}(c_{b_1}(b_{c_1}(x1))) -> C_{C_1}(x1) 25.22/7.39 C_{C_1}(c_{b_1}(b_{c_1}(x1))) -> C_{C_1}(c_{c_1}(x1)) 25.22/7.39 C_{C_1}(c_{b_1}(b_{c_1}(x1))) -> C_{C_1}(x1) 25.22/7.39 A_{C_1}(c_{b_1}(b_{a_1}(x1))) -> C_{C_1}(c_{a_1}(x1)) 25.22/7.39 A_{C_1}(c_{b_1}(b_{b_1}(x1))) -> A_{B_1}(b_{c_1}(c_{c_1}(c_{b_1}(x1)))) 25.22/7.39 A_{C_1}(c_{b_1}(b_{b_1}(x1))) -> B_{C_1}(c_{c_1}(c_{b_1}(x1))) 25.22/7.39 A_{C_1}(c_{b_1}(b_{b_1}(x1))) -> C_{C_1}(c_{b_1}(x1)) 25.22/7.39 A_{C_1}(c_{b_1}(b_{c_1}(x1))) -> A_{B_1}(b_{c_1}(c_{c_1}(c_{c_1}(x1)))) 25.22/7.39 A_{C_1}(c_{b_1}(b_{c_1}(x1))) -> B_{C_1}(c_{c_1}(c_{c_1}(x1))) 25.22/7.39 A_{C_1}(c_{b_1}(b_{c_1}(x1))) -> C_{C_1}(c_{c_1}(x1)) 25.22/7.39 A_{C_1}(c_{b_1}(b_{c_1}(x1))) -> C_{C_1}(x1) 25.22/7.39 25.22/7.39 The TRS R consists of the following rules: 25.22/7.39 25.22/7.39 a_{a_1}(a_{b_1}(x1)) -> a_{b_1}(b_{b_1}(x1)) 25.22/7.39 b_{a_1}(a_{b_1}(x1)) -> b_{b_1}(x1) 25.22/7.39 c_{a_1}(a_{b_1}(x1)) -> c_{b_1}(x1) 25.22/7.39 a_{b_1}(b_{a_1}(x1)) -> a_{a_1}(x1) 25.22/7.39 a_{b_1}(b_{c_1}(x1)) -> a_{c_1}(x1) 25.22/7.39 a_{c_1}(c_{b_1}(b_{a_1}(x1))) -> a_{a_1}(a_{b_1}(b_{c_1}(c_{c_1}(c_{a_1}(x1))))) 25.22/7.39 a_{c_1}(c_{b_1}(b_{b_1}(x1))) -> a_{a_1}(a_{b_1}(b_{c_1}(c_{c_1}(c_{b_1}(x1))))) 25.22/7.39 a_{c_1}(c_{b_1}(b_{c_1}(x1))) -> a_{a_1}(a_{b_1}(b_{c_1}(c_{c_1}(c_{c_1}(x1))))) 25.22/7.39 b_{c_1}(c_{b_1}(b_{a_1}(x1))) -> b_{a_1}(a_{b_1}(b_{c_1}(c_{c_1}(c_{a_1}(x1))))) 25.22/7.39 b_{c_1}(c_{b_1}(b_{b_1}(x1))) -> b_{a_1}(a_{b_1}(b_{c_1}(c_{c_1}(c_{b_1}(x1))))) 25.22/7.39 b_{c_1}(c_{b_1}(b_{c_1}(x1))) -> b_{a_1}(a_{b_1}(b_{c_1}(c_{c_1}(c_{c_1}(x1))))) 25.22/7.39 c_{c_1}(c_{b_1}(b_{a_1}(x1))) -> c_{a_1}(a_{b_1}(b_{c_1}(c_{c_1}(c_{a_1}(x1))))) 25.22/7.39 c_{c_1}(c_{b_1}(b_{b_1}(x1))) -> c_{a_1}(a_{b_1}(b_{c_1}(c_{c_1}(c_{b_1}(x1))))) 25.22/7.39 c_{c_1}(c_{b_1}(b_{c_1}(x1))) -> c_{a_1}(a_{b_1}(b_{c_1}(c_{c_1}(c_{c_1}(x1))))) 25.22/7.39 25.22/7.39 Q is empty. 25.22/7.39 We have to consider all minimal (P,Q,R)-chains. 25.22/7.39 ---------------------------------------- 25.22/7.39 25.22/7.39 (11) QDPOrderProof (EQUIVALENT) 25.22/7.39 We use the reduction pair processor [LPAR04,JAR06]. 25.22/7.39 25.22/7.39 25.22/7.39 The following pairs can be oriented strictly and are deleted. 25.22/7.39 25.22/7.39 A_{C_1}(c_{b_1}(b_{a_1}(x1))) -> A_{B_1}(b_{c_1}(c_{c_1}(c_{a_1}(x1)))) 25.22/7.39 A_{C_1}(c_{b_1}(b_{a_1}(x1))) -> B_{C_1}(c_{c_1}(c_{a_1}(x1))) 25.22/7.39 B_{C_1}(c_{b_1}(b_{a_1}(x1))) -> A_{B_1}(b_{c_1}(c_{c_1}(c_{a_1}(x1)))) 25.22/7.39 B_{C_1}(c_{b_1}(b_{a_1}(x1))) -> B_{C_1}(c_{c_1}(c_{a_1}(x1))) 25.22/7.39 B_{C_1}(c_{b_1}(b_{a_1}(x1))) -> C_{C_1}(c_{a_1}(x1)) 25.22/7.39 C_{C_1}(c_{b_1}(b_{a_1}(x1))) -> A_{B_1}(b_{c_1}(c_{c_1}(c_{a_1}(x1)))) 25.22/7.39 C_{C_1}(c_{b_1}(b_{a_1}(x1))) -> B_{C_1}(c_{c_1}(c_{a_1}(x1))) 25.22/7.39 B_{C_1}(c_{b_1}(b_{b_1}(x1))) -> A_{B_1}(b_{c_1}(c_{c_1}(c_{b_1}(x1)))) 25.22/7.39 B_{C_1}(c_{b_1}(b_{b_1}(x1))) -> B_{C_1}(c_{c_1}(c_{b_1}(x1))) 25.22/7.39 B_{C_1}(c_{b_1}(b_{b_1}(x1))) -> C_{C_1}(c_{b_1}(x1)) 25.22/7.39 C_{C_1}(c_{b_1}(b_{a_1}(x1))) -> C_{C_1}(c_{a_1}(x1)) 25.22/7.39 C_{C_1}(c_{b_1}(b_{b_1}(x1))) -> A_{B_1}(b_{c_1}(c_{c_1}(c_{b_1}(x1)))) 25.22/7.39 C_{C_1}(c_{b_1}(b_{b_1}(x1))) -> B_{C_1}(c_{c_1}(c_{b_1}(x1))) 25.22/7.39 B_{C_1}(c_{b_1}(b_{c_1}(x1))) -> A_{B_1}(b_{c_1}(c_{c_1}(c_{c_1}(x1)))) 25.22/7.39 B_{C_1}(c_{b_1}(b_{c_1}(x1))) -> B_{C_1}(c_{c_1}(c_{c_1}(x1))) 25.22/7.39 B_{C_1}(c_{b_1}(b_{c_1}(x1))) -> C_{C_1}(c_{c_1}(x1)) 25.22/7.39 C_{C_1}(c_{b_1}(b_{b_1}(x1))) -> C_{C_1}(c_{b_1}(x1)) 25.22/7.39 C_{C_1}(c_{b_1}(b_{c_1}(x1))) -> A_{B_1}(b_{c_1}(c_{c_1}(c_{c_1}(x1)))) 25.22/7.39 C_{C_1}(c_{b_1}(b_{c_1}(x1))) -> B_{C_1}(c_{c_1}(c_{c_1}(x1))) 25.22/7.39 B_{C_1}(c_{b_1}(b_{c_1}(x1))) -> C_{C_1}(x1) 25.22/7.39 C_{C_1}(c_{b_1}(b_{c_1}(x1))) -> C_{C_1}(c_{c_1}(x1)) 25.22/7.39 C_{C_1}(c_{b_1}(b_{c_1}(x1))) -> C_{C_1}(x1) 25.22/7.39 A_{C_1}(c_{b_1}(b_{a_1}(x1))) -> C_{C_1}(c_{a_1}(x1)) 25.22/7.39 A_{C_1}(c_{b_1}(b_{b_1}(x1))) -> A_{B_1}(b_{c_1}(c_{c_1}(c_{b_1}(x1)))) 25.22/7.39 A_{C_1}(c_{b_1}(b_{b_1}(x1))) -> B_{C_1}(c_{c_1}(c_{b_1}(x1))) 25.22/7.39 A_{C_1}(c_{b_1}(b_{b_1}(x1))) -> C_{C_1}(c_{b_1}(x1)) 25.22/7.39 A_{C_1}(c_{b_1}(b_{c_1}(x1))) -> A_{B_1}(b_{c_1}(c_{c_1}(c_{c_1}(x1)))) 25.22/7.39 A_{C_1}(c_{b_1}(b_{c_1}(x1))) -> B_{C_1}(c_{c_1}(c_{c_1}(x1))) 25.22/7.39 A_{C_1}(c_{b_1}(b_{c_1}(x1))) -> C_{C_1}(c_{c_1}(x1)) 25.22/7.39 A_{C_1}(c_{b_1}(b_{c_1}(x1))) -> C_{C_1}(x1) 25.22/7.39 The remaining pairs can at least be oriented weakly. 25.22/7.39 Used ordering: Polynomial interpretation [POLO]: 25.22/7.39 25.22/7.39 POL(A_{B_1}(x_1)) = x_1 25.22/7.39 POL(A_{C_1}(x_1)) = x_1 25.22/7.39 POL(B_{C_1}(x_1)) = x_1 25.22/7.39 POL(C_{C_1}(x_1)) = x_1 25.22/7.39 POL(a_{a_1}(x_1)) = 1 + x_1 25.22/7.39 POL(a_{b_1}(x_1)) = 1 + x_1 25.22/7.39 POL(a_{c_1}(x_1)) = 1 + x_1 25.22/7.39 POL(b_{a_1}(x_1)) = x_1 25.22/7.39 POL(b_{b_1}(x_1)) = 1 + x_1 25.22/7.39 POL(b_{c_1}(x_1)) = x_1 25.22/7.39 POL(c_{a_1}(x_1)) = x_1 25.22/7.39 POL(c_{b_1}(x_1)) = 1 + x_1 25.22/7.39 POL(c_{c_1}(x_1)) = x_1 25.22/7.39 25.22/7.39 The following usable rules [FROCOS05] with respect to the argument filtering of the ordering [JAR06] were oriented: 25.22/7.39 25.22/7.39 c_{a_1}(a_{b_1}(x1)) -> c_{b_1}(x1) 25.22/7.39 c_{c_1}(c_{b_1}(b_{a_1}(x1))) -> c_{a_1}(a_{b_1}(b_{c_1}(c_{c_1}(c_{a_1}(x1))))) 25.22/7.39 c_{c_1}(c_{b_1}(b_{b_1}(x1))) -> c_{a_1}(a_{b_1}(b_{c_1}(c_{c_1}(c_{b_1}(x1))))) 25.22/7.39 c_{c_1}(c_{b_1}(b_{c_1}(x1))) -> c_{a_1}(a_{b_1}(b_{c_1}(c_{c_1}(c_{c_1}(x1))))) 25.22/7.39 b_{c_1}(c_{b_1}(b_{a_1}(x1))) -> b_{a_1}(a_{b_1}(b_{c_1}(c_{c_1}(c_{a_1}(x1))))) 25.22/7.39 b_{c_1}(c_{b_1}(b_{b_1}(x1))) -> b_{a_1}(a_{b_1}(b_{c_1}(c_{c_1}(c_{b_1}(x1))))) 25.22/7.39 b_{c_1}(c_{b_1}(b_{c_1}(x1))) -> b_{a_1}(a_{b_1}(b_{c_1}(c_{c_1}(c_{c_1}(x1))))) 25.22/7.39 a_{b_1}(b_{c_1}(x1)) -> a_{c_1}(x1) 25.22/7.39 a_{c_1}(c_{b_1}(b_{a_1}(x1))) -> a_{a_1}(a_{b_1}(b_{c_1}(c_{c_1}(c_{a_1}(x1))))) 25.22/7.39 a_{c_1}(c_{b_1}(b_{b_1}(x1))) -> a_{a_1}(a_{b_1}(b_{c_1}(c_{c_1}(c_{b_1}(x1))))) 25.22/7.39 a_{c_1}(c_{b_1}(b_{c_1}(x1))) -> a_{a_1}(a_{b_1}(b_{c_1}(c_{c_1}(c_{c_1}(x1))))) 25.22/7.39 a_{b_1}(b_{a_1}(x1)) -> a_{a_1}(x1) 25.22/7.39 b_{a_1}(a_{b_1}(x1)) -> b_{b_1}(x1) 25.22/7.39 a_{a_1}(a_{b_1}(x1)) -> a_{b_1}(b_{b_1}(x1)) 25.22/7.39 25.22/7.39 25.22/7.39 ---------------------------------------- 25.22/7.39 25.22/7.39 (12) 25.22/7.39 Obligation: 25.22/7.39 Q DP problem: 25.22/7.39 The TRS P consists of the following rules: 25.22/7.39 25.22/7.39 A_{B_1}(b_{c_1}(x1)) -> A_{C_1}(x1) 25.22/7.39 25.22/7.39 The TRS R consists of the following rules: 25.22/7.39 25.22/7.39 a_{a_1}(a_{b_1}(x1)) -> a_{b_1}(b_{b_1}(x1)) 25.22/7.39 b_{a_1}(a_{b_1}(x1)) -> b_{b_1}(x1) 25.22/7.39 c_{a_1}(a_{b_1}(x1)) -> c_{b_1}(x1) 25.22/7.39 a_{b_1}(b_{a_1}(x1)) -> a_{a_1}(x1) 25.22/7.39 a_{b_1}(b_{c_1}(x1)) -> a_{c_1}(x1) 25.22/7.39 a_{c_1}(c_{b_1}(b_{a_1}(x1))) -> a_{a_1}(a_{b_1}(b_{c_1}(c_{c_1}(c_{a_1}(x1))))) 25.22/7.39 a_{c_1}(c_{b_1}(b_{b_1}(x1))) -> a_{a_1}(a_{b_1}(b_{c_1}(c_{c_1}(c_{b_1}(x1))))) 25.22/7.39 a_{c_1}(c_{b_1}(b_{c_1}(x1))) -> a_{a_1}(a_{b_1}(b_{c_1}(c_{c_1}(c_{c_1}(x1))))) 25.22/7.39 b_{c_1}(c_{b_1}(b_{a_1}(x1))) -> b_{a_1}(a_{b_1}(b_{c_1}(c_{c_1}(c_{a_1}(x1))))) 25.22/7.39 b_{c_1}(c_{b_1}(b_{b_1}(x1))) -> b_{a_1}(a_{b_1}(b_{c_1}(c_{c_1}(c_{b_1}(x1))))) 25.22/7.39 b_{c_1}(c_{b_1}(b_{c_1}(x1))) -> b_{a_1}(a_{b_1}(b_{c_1}(c_{c_1}(c_{c_1}(x1))))) 25.22/7.39 c_{c_1}(c_{b_1}(b_{a_1}(x1))) -> c_{a_1}(a_{b_1}(b_{c_1}(c_{c_1}(c_{a_1}(x1))))) 25.22/7.39 c_{c_1}(c_{b_1}(b_{b_1}(x1))) -> c_{a_1}(a_{b_1}(b_{c_1}(c_{c_1}(c_{b_1}(x1))))) 25.22/7.39 c_{c_1}(c_{b_1}(b_{c_1}(x1))) -> c_{a_1}(a_{b_1}(b_{c_1}(c_{c_1}(c_{c_1}(x1))))) 25.22/7.39 25.22/7.39 Q is empty. 25.22/7.39 We have to consider all minimal (P,Q,R)-chains. 25.22/7.39 ---------------------------------------- 25.22/7.39 25.22/7.39 (13) DependencyGraphProof (EQUIVALENT) 25.22/7.39 The approximation of the Dependency Graph [LPAR04,FROCOS05,EDGSTAR] contains 0 SCCs with 1 less node. 25.22/7.39 ---------------------------------------- 25.22/7.39 25.22/7.39 (14) 25.22/7.39 TRUE 25.55/7.70 EOF