18.72/5.76 YES 19.34/5.89 proof of /export/starexec/sandbox2/benchmark/theBenchmark.xml 19.34/5.89 # AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty 19.34/5.89 19.34/5.89 19.34/5.89 Termination w.r.t. Q of the given QTRS could be proven: 19.34/5.89 19.34/5.89 (0) QTRS 19.34/5.89 (1) FlatCCProof [EQUIVALENT, 0 ms] 19.34/5.89 (2) QTRS 19.34/5.89 (3) RootLabelingProof [EQUIVALENT, 0 ms] 19.34/5.89 (4) QTRS 19.34/5.89 (5) QTRSRRRProof [EQUIVALENT, 35 ms] 19.34/5.89 (6) QTRS 19.34/5.89 (7) DependencyPairsProof [EQUIVALENT, 0 ms] 19.34/5.89 (8) QDP 19.34/5.89 (9) DependencyGraphProof [EQUIVALENT, 0 ms] 19.34/5.89 (10) QDP 19.34/5.89 (11) QDPOrderProof [EQUIVALENT, 101 ms] 19.34/5.89 (12) QDP 19.34/5.89 (13) DependencyGraphProof [EQUIVALENT, 0 ms] 19.34/5.89 (14) TRUE 19.34/5.89 19.34/5.89 19.34/5.89 ---------------------------------------- 19.34/5.89 19.34/5.89 (0) 19.34/5.89 Obligation: 19.34/5.89 Q restricted rewrite system: 19.34/5.89 The TRS R consists of the following rules: 19.34/5.89 19.34/5.89 a(x1) -> x1 19.34/5.89 a(a(x1)) -> a(b(c(x1))) 19.34/5.89 b(x1) -> x1 19.34/5.89 c(b(x1)) -> b(a(c(x1))) 19.34/5.89 19.34/5.89 Q is empty. 19.34/5.89 19.34/5.89 ---------------------------------------- 19.34/5.89 19.34/5.89 (1) FlatCCProof (EQUIVALENT) 19.34/5.89 We used flat context closure [ROOTLAB] 19.34/5.89 As Q is empty the flat context closure was sound AND complete. 19.34/5.89 19.34/5.89 ---------------------------------------- 19.34/5.89 19.34/5.89 (2) 19.34/5.89 Obligation: 19.34/5.89 Q restricted rewrite system: 19.34/5.89 The TRS R consists of the following rules: 19.34/5.89 19.34/5.89 a(a(x1)) -> a(b(c(x1))) 19.34/5.89 a(a(x1)) -> a(x1) 19.34/5.89 b(a(x1)) -> b(x1) 19.34/5.89 c(a(x1)) -> c(x1) 19.34/5.89 a(b(x1)) -> a(x1) 19.34/5.89 b(b(x1)) -> b(x1) 19.34/5.89 c(b(x1)) -> c(x1) 19.34/5.89 a(c(b(x1))) -> a(b(a(c(x1)))) 19.34/5.89 b(c(b(x1))) -> b(b(a(c(x1)))) 19.34/5.89 c(c(b(x1))) -> c(b(a(c(x1)))) 19.34/5.89 19.34/5.89 Q is empty. 19.34/5.89 19.34/5.89 ---------------------------------------- 19.34/5.89 19.34/5.89 (3) RootLabelingProof (EQUIVALENT) 19.34/5.89 We used plain root labeling [ROOTLAB] with the following heuristic: 19.34/5.89 LabelAll: All function symbols get labeled 19.34/5.89 19.34/5.89 As Q is empty the root labeling was sound AND complete. 19.34/5.89 19.34/5.89 ---------------------------------------- 19.34/5.89 19.34/5.89 (4) 19.34/5.89 Obligation: 19.34/5.89 Q restricted rewrite system: 19.34/5.89 The TRS R consists of the following rules: 19.34/5.89 19.34/5.89 a_{a_1}(a_{a_1}(x1)) -> a_{b_1}(b_{c_1}(c_{a_1}(x1))) 19.34/5.89 a_{a_1}(a_{b_1}(x1)) -> a_{b_1}(b_{c_1}(c_{b_1}(x1))) 19.34/5.89 a_{a_1}(a_{c_1}(x1)) -> a_{b_1}(b_{c_1}(c_{c_1}(x1))) 19.34/5.89 a_{a_1}(a_{a_1}(x1)) -> a_{a_1}(x1) 19.34/5.89 a_{a_1}(a_{b_1}(x1)) -> a_{b_1}(x1) 19.34/5.89 a_{a_1}(a_{c_1}(x1)) -> a_{c_1}(x1) 19.34/5.89 b_{a_1}(a_{a_1}(x1)) -> b_{a_1}(x1) 19.34/5.89 b_{a_1}(a_{b_1}(x1)) -> b_{b_1}(x1) 19.34/5.89 b_{a_1}(a_{c_1}(x1)) -> b_{c_1}(x1) 19.34/5.89 c_{a_1}(a_{a_1}(x1)) -> c_{a_1}(x1) 19.34/5.89 c_{a_1}(a_{b_1}(x1)) -> c_{b_1}(x1) 19.34/5.89 c_{a_1}(a_{c_1}(x1)) -> c_{c_1}(x1) 19.34/5.89 a_{b_1}(b_{a_1}(x1)) -> a_{a_1}(x1) 19.34/5.89 a_{b_1}(b_{b_1}(x1)) -> a_{b_1}(x1) 19.34/5.89 a_{b_1}(b_{c_1}(x1)) -> a_{c_1}(x1) 19.34/5.89 b_{b_1}(b_{a_1}(x1)) -> b_{a_1}(x1) 19.34/5.89 b_{b_1}(b_{b_1}(x1)) -> b_{b_1}(x1) 19.34/5.89 b_{b_1}(b_{c_1}(x1)) -> b_{c_1}(x1) 19.34/5.89 c_{b_1}(b_{a_1}(x1)) -> c_{a_1}(x1) 19.34/5.89 c_{b_1}(b_{b_1}(x1)) -> c_{b_1}(x1) 19.34/5.89 c_{b_1}(b_{c_1}(x1)) -> c_{c_1}(x1) 19.34/5.89 a_{c_1}(c_{b_1}(b_{a_1}(x1))) -> a_{b_1}(b_{a_1}(a_{c_1}(c_{a_1}(x1)))) 19.34/5.89 a_{c_1}(c_{b_1}(b_{b_1}(x1))) -> a_{b_1}(b_{a_1}(a_{c_1}(c_{b_1}(x1)))) 19.34/5.89 a_{c_1}(c_{b_1}(b_{c_1}(x1))) -> a_{b_1}(b_{a_1}(a_{c_1}(c_{c_1}(x1)))) 19.34/5.89 b_{c_1}(c_{b_1}(b_{a_1}(x1))) -> b_{b_1}(b_{a_1}(a_{c_1}(c_{a_1}(x1)))) 19.34/5.89 b_{c_1}(c_{b_1}(b_{b_1}(x1))) -> b_{b_1}(b_{a_1}(a_{c_1}(c_{b_1}(x1)))) 19.34/5.89 b_{c_1}(c_{b_1}(b_{c_1}(x1))) -> b_{b_1}(b_{a_1}(a_{c_1}(c_{c_1}(x1)))) 19.34/5.89 c_{c_1}(c_{b_1}(b_{a_1}(x1))) -> c_{b_1}(b_{a_1}(a_{c_1}(c_{a_1}(x1)))) 19.34/5.89 c_{c_1}(c_{b_1}(b_{b_1}(x1))) -> c_{b_1}(b_{a_1}(a_{c_1}(c_{b_1}(x1)))) 19.34/5.89 c_{c_1}(c_{b_1}(b_{c_1}(x1))) -> c_{b_1}(b_{a_1}(a_{c_1}(c_{c_1}(x1)))) 19.34/5.89 19.34/5.89 Q is empty. 19.34/5.89 19.34/5.89 ---------------------------------------- 19.34/5.89 19.34/5.89 (5) QTRSRRRProof (EQUIVALENT) 19.34/5.89 Used ordering: 19.34/5.89 Polynomial interpretation [POLO]: 19.34/5.89 19.34/5.89 POL(a_{a_1}(x_1)) = 1 + x_1 19.34/5.89 POL(a_{b_1}(x_1)) = x_1 19.34/5.89 POL(a_{c_1}(x_1)) = x_1 19.34/5.89 POL(b_{a_1}(x_1)) = 1 + x_1 19.34/5.89 POL(b_{b_1}(x_1)) = 1 + x_1 19.34/5.89 POL(b_{c_1}(x_1)) = 1 + x_1 19.34/5.89 POL(c_{a_1}(x_1)) = x_1 19.34/5.89 POL(c_{b_1}(x_1)) = x_1 19.34/5.89 POL(c_{c_1}(x_1)) = x_1 19.34/5.89 With this ordering the following rules can be removed by the rule removal processor [LPAR04] because they are oriented strictly: 19.34/5.89 19.34/5.89 a_{a_1}(a_{a_1}(x1)) -> a_{b_1}(b_{c_1}(c_{a_1}(x1))) 19.34/5.89 a_{a_1}(a_{a_1}(x1)) -> a_{a_1}(x1) 19.34/5.89 a_{a_1}(a_{b_1}(x1)) -> a_{b_1}(x1) 19.34/5.89 a_{a_1}(a_{c_1}(x1)) -> a_{c_1}(x1) 19.34/5.89 b_{a_1}(a_{a_1}(x1)) -> b_{a_1}(x1) 19.34/5.89 c_{a_1}(a_{a_1}(x1)) -> c_{a_1}(x1) 19.34/5.89 a_{b_1}(b_{b_1}(x1)) -> a_{b_1}(x1) 19.34/5.89 a_{b_1}(b_{c_1}(x1)) -> a_{c_1}(x1) 19.34/5.89 b_{b_1}(b_{a_1}(x1)) -> b_{a_1}(x1) 19.34/5.89 b_{b_1}(b_{b_1}(x1)) -> b_{b_1}(x1) 19.34/5.89 b_{b_1}(b_{c_1}(x1)) -> b_{c_1}(x1) 19.34/5.89 c_{b_1}(b_{a_1}(x1)) -> c_{a_1}(x1) 19.34/5.89 c_{b_1}(b_{b_1}(x1)) -> c_{b_1}(x1) 19.34/5.89 c_{b_1}(b_{c_1}(x1)) -> c_{c_1}(x1) 19.34/5.89 19.34/5.89 19.34/5.89 19.34/5.89 19.34/5.89 ---------------------------------------- 19.34/5.89 19.34/5.89 (6) 19.34/5.89 Obligation: 19.34/5.89 Q restricted rewrite system: 19.34/5.89 The TRS R consists of the following rules: 19.34/5.89 19.34/5.89 a_{a_1}(a_{b_1}(x1)) -> a_{b_1}(b_{c_1}(c_{b_1}(x1))) 19.34/5.89 a_{a_1}(a_{c_1}(x1)) -> a_{b_1}(b_{c_1}(c_{c_1}(x1))) 19.34/5.89 b_{a_1}(a_{b_1}(x1)) -> b_{b_1}(x1) 19.34/5.89 b_{a_1}(a_{c_1}(x1)) -> b_{c_1}(x1) 19.34/5.89 c_{a_1}(a_{b_1}(x1)) -> c_{b_1}(x1) 19.34/5.89 c_{a_1}(a_{c_1}(x1)) -> c_{c_1}(x1) 19.34/5.89 a_{b_1}(b_{a_1}(x1)) -> a_{a_1}(x1) 19.34/5.89 a_{c_1}(c_{b_1}(b_{a_1}(x1))) -> a_{b_1}(b_{a_1}(a_{c_1}(c_{a_1}(x1)))) 19.34/5.89 a_{c_1}(c_{b_1}(b_{b_1}(x1))) -> a_{b_1}(b_{a_1}(a_{c_1}(c_{b_1}(x1)))) 19.34/5.89 a_{c_1}(c_{b_1}(b_{c_1}(x1))) -> a_{b_1}(b_{a_1}(a_{c_1}(c_{c_1}(x1)))) 19.34/5.89 b_{c_1}(c_{b_1}(b_{a_1}(x1))) -> b_{b_1}(b_{a_1}(a_{c_1}(c_{a_1}(x1)))) 19.34/5.90 b_{c_1}(c_{b_1}(b_{b_1}(x1))) -> b_{b_1}(b_{a_1}(a_{c_1}(c_{b_1}(x1)))) 19.34/5.90 b_{c_1}(c_{b_1}(b_{c_1}(x1))) -> b_{b_1}(b_{a_1}(a_{c_1}(c_{c_1}(x1)))) 19.34/5.90 c_{c_1}(c_{b_1}(b_{a_1}(x1))) -> c_{b_1}(b_{a_1}(a_{c_1}(c_{a_1}(x1)))) 19.34/5.90 c_{c_1}(c_{b_1}(b_{b_1}(x1))) -> c_{b_1}(b_{a_1}(a_{c_1}(c_{b_1}(x1)))) 19.34/5.90 c_{c_1}(c_{b_1}(b_{c_1}(x1))) -> c_{b_1}(b_{a_1}(a_{c_1}(c_{c_1}(x1)))) 19.34/5.90 19.34/5.90 Q is empty. 19.34/5.90 19.34/5.90 ---------------------------------------- 19.34/5.90 19.34/5.90 (7) DependencyPairsProof (EQUIVALENT) 19.34/5.90 Using Dependency Pairs [AG00,LPAR04] we result in the following initial DP problem. 19.34/5.90 ---------------------------------------- 19.34/5.90 19.34/5.90 (8) 19.34/5.90 Obligation: 19.34/5.90 Q DP problem: 19.34/5.90 The TRS P consists of the following rules: 19.34/5.90 19.34/5.90 A_{A_1}(a_{b_1}(x1)) -> A_{B_1}(b_{c_1}(c_{b_1}(x1))) 19.34/5.90 A_{A_1}(a_{b_1}(x1)) -> B_{C_1}(c_{b_1}(x1)) 19.34/5.90 A_{A_1}(a_{c_1}(x1)) -> A_{B_1}(b_{c_1}(c_{c_1}(x1))) 19.34/5.90 A_{A_1}(a_{c_1}(x1)) -> B_{C_1}(c_{c_1}(x1)) 19.34/5.90 A_{A_1}(a_{c_1}(x1)) -> C_{C_1}(x1) 19.34/5.90 B_{A_1}(a_{c_1}(x1)) -> B_{C_1}(x1) 19.34/5.90 C_{A_1}(a_{c_1}(x1)) -> C_{C_1}(x1) 19.34/5.90 A_{B_1}(b_{a_1}(x1)) -> A_{A_1}(x1) 19.34/5.90 A_{C_1}(c_{b_1}(b_{a_1}(x1))) -> A_{B_1}(b_{a_1}(a_{c_1}(c_{a_1}(x1)))) 19.34/5.90 A_{C_1}(c_{b_1}(b_{a_1}(x1))) -> B_{A_1}(a_{c_1}(c_{a_1}(x1))) 19.34/5.90 A_{C_1}(c_{b_1}(b_{a_1}(x1))) -> A_{C_1}(c_{a_1}(x1)) 19.34/5.90 A_{C_1}(c_{b_1}(b_{a_1}(x1))) -> C_{A_1}(x1) 19.34/5.90 A_{C_1}(c_{b_1}(b_{b_1}(x1))) -> A_{B_1}(b_{a_1}(a_{c_1}(c_{b_1}(x1)))) 19.34/5.90 A_{C_1}(c_{b_1}(b_{b_1}(x1))) -> B_{A_1}(a_{c_1}(c_{b_1}(x1))) 19.34/5.90 A_{C_1}(c_{b_1}(b_{b_1}(x1))) -> A_{C_1}(c_{b_1}(x1)) 19.34/5.90 A_{C_1}(c_{b_1}(b_{c_1}(x1))) -> A_{B_1}(b_{a_1}(a_{c_1}(c_{c_1}(x1)))) 19.34/5.90 A_{C_1}(c_{b_1}(b_{c_1}(x1))) -> B_{A_1}(a_{c_1}(c_{c_1}(x1))) 19.34/5.90 A_{C_1}(c_{b_1}(b_{c_1}(x1))) -> A_{C_1}(c_{c_1}(x1)) 19.34/5.90 A_{C_1}(c_{b_1}(b_{c_1}(x1))) -> C_{C_1}(x1) 19.34/5.90 B_{C_1}(c_{b_1}(b_{a_1}(x1))) -> B_{A_1}(a_{c_1}(c_{a_1}(x1))) 19.34/5.90 B_{C_1}(c_{b_1}(b_{a_1}(x1))) -> A_{C_1}(c_{a_1}(x1)) 19.34/5.90 B_{C_1}(c_{b_1}(b_{a_1}(x1))) -> C_{A_1}(x1) 19.34/5.90 B_{C_1}(c_{b_1}(b_{b_1}(x1))) -> B_{A_1}(a_{c_1}(c_{b_1}(x1))) 19.34/5.90 B_{C_1}(c_{b_1}(b_{b_1}(x1))) -> A_{C_1}(c_{b_1}(x1)) 19.34/5.90 B_{C_1}(c_{b_1}(b_{c_1}(x1))) -> B_{A_1}(a_{c_1}(c_{c_1}(x1))) 19.34/5.90 B_{C_1}(c_{b_1}(b_{c_1}(x1))) -> A_{C_1}(c_{c_1}(x1)) 19.34/5.90 B_{C_1}(c_{b_1}(b_{c_1}(x1))) -> C_{C_1}(x1) 19.34/5.90 C_{C_1}(c_{b_1}(b_{a_1}(x1))) -> B_{A_1}(a_{c_1}(c_{a_1}(x1))) 19.34/5.90 C_{C_1}(c_{b_1}(b_{a_1}(x1))) -> A_{C_1}(c_{a_1}(x1)) 19.34/5.90 C_{C_1}(c_{b_1}(b_{a_1}(x1))) -> C_{A_1}(x1) 19.34/5.90 C_{C_1}(c_{b_1}(b_{b_1}(x1))) -> B_{A_1}(a_{c_1}(c_{b_1}(x1))) 19.34/5.90 C_{C_1}(c_{b_1}(b_{b_1}(x1))) -> A_{C_1}(c_{b_1}(x1)) 19.34/5.90 C_{C_1}(c_{b_1}(b_{c_1}(x1))) -> B_{A_1}(a_{c_1}(c_{c_1}(x1))) 19.34/5.90 C_{C_1}(c_{b_1}(b_{c_1}(x1))) -> A_{C_1}(c_{c_1}(x1)) 19.34/5.90 C_{C_1}(c_{b_1}(b_{c_1}(x1))) -> C_{C_1}(x1) 19.34/5.90 19.34/5.90 The TRS R consists of the following rules: 19.34/5.90 19.34/5.90 a_{a_1}(a_{b_1}(x1)) -> a_{b_1}(b_{c_1}(c_{b_1}(x1))) 19.34/5.90 a_{a_1}(a_{c_1}(x1)) -> a_{b_1}(b_{c_1}(c_{c_1}(x1))) 19.34/5.90 b_{a_1}(a_{b_1}(x1)) -> b_{b_1}(x1) 19.34/5.90 b_{a_1}(a_{c_1}(x1)) -> b_{c_1}(x1) 19.34/5.90 c_{a_1}(a_{b_1}(x1)) -> c_{b_1}(x1) 19.34/5.90 c_{a_1}(a_{c_1}(x1)) -> c_{c_1}(x1) 19.34/5.90 a_{b_1}(b_{a_1}(x1)) -> a_{a_1}(x1) 19.34/5.90 a_{c_1}(c_{b_1}(b_{a_1}(x1))) -> a_{b_1}(b_{a_1}(a_{c_1}(c_{a_1}(x1)))) 19.34/5.90 a_{c_1}(c_{b_1}(b_{b_1}(x1))) -> a_{b_1}(b_{a_1}(a_{c_1}(c_{b_1}(x1)))) 19.34/5.90 a_{c_1}(c_{b_1}(b_{c_1}(x1))) -> a_{b_1}(b_{a_1}(a_{c_1}(c_{c_1}(x1)))) 19.34/5.90 b_{c_1}(c_{b_1}(b_{a_1}(x1))) -> b_{b_1}(b_{a_1}(a_{c_1}(c_{a_1}(x1)))) 19.34/5.90 b_{c_1}(c_{b_1}(b_{b_1}(x1))) -> b_{b_1}(b_{a_1}(a_{c_1}(c_{b_1}(x1)))) 19.34/5.90 b_{c_1}(c_{b_1}(b_{c_1}(x1))) -> b_{b_1}(b_{a_1}(a_{c_1}(c_{c_1}(x1)))) 19.34/5.90 c_{c_1}(c_{b_1}(b_{a_1}(x1))) -> c_{b_1}(b_{a_1}(a_{c_1}(c_{a_1}(x1)))) 19.34/5.90 c_{c_1}(c_{b_1}(b_{b_1}(x1))) -> c_{b_1}(b_{a_1}(a_{c_1}(c_{b_1}(x1)))) 19.34/5.90 c_{c_1}(c_{b_1}(b_{c_1}(x1))) -> c_{b_1}(b_{a_1}(a_{c_1}(c_{c_1}(x1)))) 19.34/5.90 19.34/5.90 Q is empty. 19.34/5.90 We have to consider all minimal (P,Q,R)-chains. 19.34/5.90 ---------------------------------------- 19.34/5.90 19.34/5.90 (9) DependencyGraphProof (EQUIVALENT) 19.34/5.90 The approximation of the Dependency Graph [LPAR04,FROCOS05,EDGSTAR] contains 1 SCC with 2 less nodes. 19.34/5.90 ---------------------------------------- 19.34/5.90 19.34/5.90 (10) 19.34/5.90 Obligation: 19.34/5.90 Q DP problem: 19.34/5.90 The TRS P consists of the following rules: 19.34/5.90 19.34/5.90 A_{A_1}(a_{b_1}(x1)) -> B_{C_1}(c_{b_1}(x1)) 19.34/5.90 B_{C_1}(c_{b_1}(b_{a_1}(x1))) -> B_{A_1}(a_{c_1}(c_{a_1}(x1))) 19.34/5.90 B_{A_1}(a_{c_1}(x1)) -> B_{C_1}(x1) 19.34/5.90 B_{C_1}(c_{b_1}(b_{a_1}(x1))) -> A_{C_1}(c_{a_1}(x1)) 19.34/5.90 A_{C_1}(c_{b_1}(b_{a_1}(x1))) -> A_{B_1}(b_{a_1}(a_{c_1}(c_{a_1}(x1)))) 19.34/5.90 A_{B_1}(b_{a_1}(x1)) -> A_{A_1}(x1) 19.34/5.90 A_{A_1}(a_{c_1}(x1)) -> B_{C_1}(c_{c_1}(x1)) 19.34/5.90 B_{C_1}(c_{b_1}(b_{a_1}(x1))) -> C_{A_1}(x1) 19.34/5.90 C_{A_1}(a_{c_1}(x1)) -> C_{C_1}(x1) 19.34/5.90 C_{C_1}(c_{b_1}(b_{a_1}(x1))) -> B_{A_1}(a_{c_1}(c_{a_1}(x1))) 19.34/5.90 C_{C_1}(c_{b_1}(b_{a_1}(x1))) -> A_{C_1}(c_{a_1}(x1)) 19.34/5.90 A_{C_1}(c_{b_1}(b_{a_1}(x1))) -> B_{A_1}(a_{c_1}(c_{a_1}(x1))) 19.34/5.90 A_{C_1}(c_{b_1}(b_{a_1}(x1))) -> A_{C_1}(c_{a_1}(x1)) 19.34/5.90 A_{C_1}(c_{b_1}(b_{a_1}(x1))) -> C_{A_1}(x1) 19.34/5.90 A_{C_1}(c_{b_1}(b_{b_1}(x1))) -> A_{B_1}(b_{a_1}(a_{c_1}(c_{b_1}(x1)))) 19.34/5.90 A_{C_1}(c_{b_1}(b_{b_1}(x1))) -> B_{A_1}(a_{c_1}(c_{b_1}(x1))) 19.34/5.90 A_{C_1}(c_{b_1}(b_{b_1}(x1))) -> A_{C_1}(c_{b_1}(x1)) 19.34/5.90 A_{C_1}(c_{b_1}(b_{c_1}(x1))) -> A_{B_1}(b_{a_1}(a_{c_1}(c_{c_1}(x1)))) 19.34/5.90 A_{C_1}(c_{b_1}(b_{c_1}(x1))) -> B_{A_1}(a_{c_1}(c_{c_1}(x1))) 19.34/5.90 A_{C_1}(c_{b_1}(b_{c_1}(x1))) -> A_{C_1}(c_{c_1}(x1)) 19.34/5.90 A_{C_1}(c_{b_1}(b_{c_1}(x1))) -> C_{C_1}(x1) 19.34/5.90 C_{C_1}(c_{b_1}(b_{a_1}(x1))) -> C_{A_1}(x1) 19.34/5.90 C_{C_1}(c_{b_1}(b_{b_1}(x1))) -> B_{A_1}(a_{c_1}(c_{b_1}(x1))) 19.34/5.90 C_{C_1}(c_{b_1}(b_{b_1}(x1))) -> A_{C_1}(c_{b_1}(x1)) 19.34/5.90 C_{C_1}(c_{b_1}(b_{c_1}(x1))) -> B_{A_1}(a_{c_1}(c_{c_1}(x1))) 19.34/5.90 C_{C_1}(c_{b_1}(b_{c_1}(x1))) -> A_{C_1}(c_{c_1}(x1)) 19.34/5.90 C_{C_1}(c_{b_1}(b_{c_1}(x1))) -> C_{C_1}(x1) 19.34/5.90 B_{C_1}(c_{b_1}(b_{b_1}(x1))) -> B_{A_1}(a_{c_1}(c_{b_1}(x1))) 19.34/5.90 B_{C_1}(c_{b_1}(b_{b_1}(x1))) -> A_{C_1}(c_{b_1}(x1)) 19.34/5.90 B_{C_1}(c_{b_1}(b_{c_1}(x1))) -> B_{A_1}(a_{c_1}(c_{c_1}(x1))) 19.34/5.90 B_{C_1}(c_{b_1}(b_{c_1}(x1))) -> A_{C_1}(c_{c_1}(x1)) 19.34/5.90 B_{C_1}(c_{b_1}(b_{c_1}(x1))) -> C_{C_1}(x1) 19.34/5.90 A_{A_1}(a_{c_1}(x1)) -> C_{C_1}(x1) 19.34/5.90 19.34/5.90 The TRS R consists of the following rules: 19.34/5.90 19.34/5.90 a_{a_1}(a_{b_1}(x1)) -> a_{b_1}(b_{c_1}(c_{b_1}(x1))) 19.34/5.90 a_{a_1}(a_{c_1}(x1)) -> a_{b_1}(b_{c_1}(c_{c_1}(x1))) 19.34/5.90 b_{a_1}(a_{b_1}(x1)) -> b_{b_1}(x1) 19.34/5.90 b_{a_1}(a_{c_1}(x1)) -> b_{c_1}(x1) 19.34/5.90 c_{a_1}(a_{b_1}(x1)) -> c_{b_1}(x1) 19.34/5.90 c_{a_1}(a_{c_1}(x1)) -> c_{c_1}(x1) 19.34/5.90 a_{b_1}(b_{a_1}(x1)) -> a_{a_1}(x1) 19.34/5.90 a_{c_1}(c_{b_1}(b_{a_1}(x1))) -> a_{b_1}(b_{a_1}(a_{c_1}(c_{a_1}(x1)))) 19.34/5.90 a_{c_1}(c_{b_1}(b_{b_1}(x1))) -> a_{b_1}(b_{a_1}(a_{c_1}(c_{b_1}(x1)))) 19.34/5.90 a_{c_1}(c_{b_1}(b_{c_1}(x1))) -> a_{b_1}(b_{a_1}(a_{c_1}(c_{c_1}(x1)))) 19.34/5.90 b_{c_1}(c_{b_1}(b_{a_1}(x1))) -> b_{b_1}(b_{a_1}(a_{c_1}(c_{a_1}(x1)))) 19.34/5.90 b_{c_1}(c_{b_1}(b_{b_1}(x1))) -> b_{b_1}(b_{a_1}(a_{c_1}(c_{b_1}(x1)))) 19.34/5.90 b_{c_1}(c_{b_1}(b_{c_1}(x1))) -> b_{b_1}(b_{a_1}(a_{c_1}(c_{c_1}(x1)))) 19.34/5.90 c_{c_1}(c_{b_1}(b_{a_1}(x1))) -> c_{b_1}(b_{a_1}(a_{c_1}(c_{a_1}(x1)))) 19.34/5.90 c_{c_1}(c_{b_1}(b_{b_1}(x1))) -> c_{b_1}(b_{a_1}(a_{c_1}(c_{b_1}(x1)))) 19.34/5.90 c_{c_1}(c_{b_1}(b_{c_1}(x1))) -> c_{b_1}(b_{a_1}(a_{c_1}(c_{c_1}(x1)))) 19.34/5.90 19.34/5.90 Q is empty. 19.34/5.90 We have to consider all minimal (P,Q,R)-chains. 19.34/5.90 ---------------------------------------- 19.34/5.90 19.34/5.90 (11) QDPOrderProof (EQUIVALENT) 19.34/5.90 We use the reduction pair processor [LPAR04,JAR06]. 19.34/5.90 19.34/5.90 19.34/5.90 The following pairs can be oriented strictly and are deleted. 19.34/5.90 19.34/5.90 B_{A_1}(a_{c_1}(x1)) -> B_{C_1}(x1) 19.34/5.90 B_{C_1}(c_{b_1}(b_{a_1}(x1))) -> A_{C_1}(c_{a_1}(x1)) 19.34/5.90 A_{B_1}(b_{a_1}(x1)) -> A_{A_1}(x1) 19.34/5.90 C_{A_1}(a_{c_1}(x1)) -> C_{C_1}(x1) 19.34/5.90 C_{C_1}(c_{b_1}(b_{a_1}(x1))) -> A_{C_1}(c_{a_1}(x1)) 19.34/5.90 A_{C_1}(c_{b_1}(b_{a_1}(x1))) -> A_{C_1}(c_{a_1}(x1)) 19.34/5.90 A_{C_1}(c_{b_1}(b_{b_1}(x1))) -> A_{C_1}(c_{b_1}(x1)) 19.34/5.90 A_{C_1}(c_{b_1}(b_{c_1}(x1))) -> A_{C_1}(c_{c_1}(x1)) 19.34/5.90 A_{C_1}(c_{b_1}(b_{c_1}(x1))) -> C_{C_1}(x1) 19.34/5.90 C_{C_1}(c_{b_1}(b_{b_1}(x1))) -> A_{C_1}(c_{b_1}(x1)) 19.34/5.90 C_{C_1}(c_{b_1}(b_{c_1}(x1))) -> A_{C_1}(c_{c_1}(x1)) 19.34/5.90 C_{C_1}(c_{b_1}(b_{c_1}(x1))) -> C_{C_1}(x1) 19.34/5.90 B_{C_1}(c_{b_1}(b_{b_1}(x1))) -> A_{C_1}(c_{b_1}(x1)) 19.34/5.90 B_{C_1}(c_{b_1}(b_{c_1}(x1))) -> A_{C_1}(c_{c_1}(x1)) 19.34/5.90 B_{C_1}(c_{b_1}(b_{c_1}(x1))) -> C_{C_1}(x1) 19.34/5.90 The remaining pairs can at least be oriented weakly. 19.34/5.90 Used ordering: Polynomial interpretation [POLO]: 19.34/5.90 19.34/5.90 POL(A_{A_1}(x_1)) = x_1 19.34/5.90 POL(A_{B_1}(x_1)) = x_1 19.34/5.90 POL(A_{C_1}(x_1)) = x_1 19.34/5.90 POL(B_{A_1}(x_1)) = 1 + x_1 19.34/5.90 POL(B_{C_1}(x_1)) = x_1 19.34/5.90 POL(C_{A_1}(x_1)) = 1 + x_1 19.34/5.90 POL(C_{C_1}(x_1)) = x_1 19.34/5.90 POL(a_{a_1}(x_1)) = 1 + x_1 19.34/5.90 POL(a_{b_1}(x_1)) = x_1 19.34/5.90 POL(a_{c_1}(x_1)) = x_1 19.34/5.90 POL(b_{a_1}(x_1)) = 1 + x_1 19.34/5.90 POL(b_{b_1}(x_1)) = 1 + x_1 19.34/5.90 POL(b_{c_1}(x_1)) = 1 + x_1 19.34/5.90 POL(c_{a_1}(x_1)) = x_1 19.34/5.90 POL(c_{b_1}(x_1)) = x_1 19.34/5.90 POL(c_{c_1}(x_1)) = x_1 19.34/5.90 19.34/5.90 The following usable rules [FROCOS05] with respect to the argument filtering of the ordering [JAR06] were oriented: 19.34/5.90 19.34/5.90 c_{a_1}(a_{b_1}(x1)) -> c_{b_1}(x1) 19.34/5.90 c_{a_1}(a_{c_1}(x1)) -> c_{c_1}(x1) 19.34/5.90 a_{c_1}(c_{b_1}(b_{a_1}(x1))) -> a_{b_1}(b_{a_1}(a_{c_1}(c_{a_1}(x1)))) 19.34/5.90 a_{c_1}(c_{b_1}(b_{b_1}(x1))) -> a_{b_1}(b_{a_1}(a_{c_1}(c_{b_1}(x1)))) 19.34/5.90 a_{c_1}(c_{b_1}(b_{c_1}(x1))) -> a_{b_1}(b_{a_1}(a_{c_1}(c_{c_1}(x1)))) 19.34/5.90 b_{a_1}(a_{b_1}(x1)) -> b_{b_1}(x1) 19.34/5.90 b_{a_1}(a_{c_1}(x1)) -> b_{c_1}(x1) 19.34/5.90 c_{c_1}(c_{b_1}(b_{a_1}(x1))) -> c_{b_1}(b_{a_1}(a_{c_1}(c_{a_1}(x1)))) 19.34/5.90 c_{c_1}(c_{b_1}(b_{b_1}(x1))) -> c_{b_1}(b_{a_1}(a_{c_1}(c_{b_1}(x1)))) 19.34/5.90 c_{c_1}(c_{b_1}(b_{c_1}(x1))) -> c_{b_1}(b_{a_1}(a_{c_1}(c_{c_1}(x1)))) 19.34/5.90 a_{b_1}(b_{a_1}(x1)) -> a_{a_1}(x1) 19.34/5.90 a_{a_1}(a_{b_1}(x1)) -> a_{b_1}(b_{c_1}(c_{b_1}(x1))) 19.34/5.90 a_{a_1}(a_{c_1}(x1)) -> a_{b_1}(b_{c_1}(c_{c_1}(x1))) 19.34/5.90 b_{c_1}(c_{b_1}(b_{a_1}(x1))) -> b_{b_1}(b_{a_1}(a_{c_1}(c_{a_1}(x1)))) 19.34/5.90 b_{c_1}(c_{b_1}(b_{b_1}(x1))) -> b_{b_1}(b_{a_1}(a_{c_1}(c_{b_1}(x1)))) 19.34/5.90 b_{c_1}(c_{b_1}(b_{c_1}(x1))) -> b_{b_1}(b_{a_1}(a_{c_1}(c_{c_1}(x1)))) 19.34/5.90 19.34/5.90 19.34/5.90 ---------------------------------------- 19.34/5.90 19.34/5.90 (12) 19.34/5.90 Obligation: 19.34/5.90 Q DP problem: 19.34/5.90 The TRS P consists of the following rules: 19.34/5.90 19.34/5.90 A_{A_1}(a_{b_1}(x1)) -> B_{C_1}(c_{b_1}(x1)) 19.34/5.90 B_{C_1}(c_{b_1}(b_{a_1}(x1))) -> B_{A_1}(a_{c_1}(c_{a_1}(x1))) 19.34/5.90 A_{C_1}(c_{b_1}(b_{a_1}(x1))) -> A_{B_1}(b_{a_1}(a_{c_1}(c_{a_1}(x1)))) 19.34/5.90 A_{A_1}(a_{c_1}(x1)) -> B_{C_1}(c_{c_1}(x1)) 19.34/5.90 B_{C_1}(c_{b_1}(b_{a_1}(x1))) -> C_{A_1}(x1) 19.34/5.90 C_{C_1}(c_{b_1}(b_{a_1}(x1))) -> B_{A_1}(a_{c_1}(c_{a_1}(x1))) 19.34/5.90 A_{C_1}(c_{b_1}(b_{a_1}(x1))) -> B_{A_1}(a_{c_1}(c_{a_1}(x1))) 19.34/5.90 A_{C_1}(c_{b_1}(b_{a_1}(x1))) -> C_{A_1}(x1) 19.34/5.90 A_{C_1}(c_{b_1}(b_{b_1}(x1))) -> A_{B_1}(b_{a_1}(a_{c_1}(c_{b_1}(x1)))) 19.34/5.90 A_{C_1}(c_{b_1}(b_{b_1}(x1))) -> B_{A_1}(a_{c_1}(c_{b_1}(x1))) 19.34/5.90 A_{C_1}(c_{b_1}(b_{c_1}(x1))) -> A_{B_1}(b_{a_1}(a_{c_1}(c_{c_1}(x1)))) 19.34/5.90 A_{C_1}(c_{b_1}(b_{c_1}(x1))) -> B_{A_1}(a_{c_1}(c_{c_1}(x1))) 19.34/5.90 C_{C_1}(c_{b_1}(b_{a_1}(x1))) -> C_{A_1}(x1) 19.34/5.90 C_{C_1}(c_{b_1}(b_{b_1}(x1))) -> B_{A_1}(a_{c_1}(c_{b_1}(x1))) 19.34/5.90 C_{C_1}(c_{b_1}(b_{c_1}(x1))) -> B_{A_1}(a_{c_1}(c_{c_1}(x1))) 19.34/5.90 B_{C_1}(c_{b_1}(b_{b_1}(x1))) -> B_{A_1}(a_{c_1}(c_{b_1}(x1))) 19.34/5.90 B_{C_1}(c_{b_1}(b_{c_1}(x1))) -> B_{A_1}(a_{c_1}(c_{c_1}(x1))) 19.34/5.90 A_{A_1}(a_{c_1}(x1)) -> C_{C_1}(x1) 19.34/5.90 19.34/5.90 The TRS R consists of the following rules: 19.34/5.90 19.34/5.90 a_{a_1}(a_{b_1}(x1)) -> a_{b_1}(b_{c_1}(c_{b_1}(x1))) 19.34/5.90 a_{a_1}(a_{c_1}(x1)) -> a_{b_1}(b_{c_1}(c_{c_1}(x1))) 19.34/5.90 b_{a_1}(a_{b_1}(x1)) -> b_{b_1}(x1) 19.34/5.90 b_{a_1}(a_{c_1}(x1)) -> b_{c_1}(x1) 19.34/5.90 c_{a_1}(a_{b_1}(x1)) -> c_{b_1}(x1) 19.34/5.90 c_{a_1}(a_{c_1}(x1)) -> c_{c_1}(x1) 19.34/5.90 a_{b_1}(b_{a_1}(x1)) -> a_{a_1}(x1) 19.34/5.90 a_{c_1}(c_{b_1}(b_{a_1}(x1))) -> a_{b_1}(b_{a_1}(a_{c_1}(c_{a_1}(x1)))) 19.34/5.90 a_{c_1}(c_{b_1}(b_{b_1}(x1))) -> a_{b_1}(b_{a_1}(a_{c_1}(c_{b_1}(x1)))) 19.34/5.90 a_{c_1}(c_{b_1}(b_{c_1}(x1))) -> a_{b_1}(b_{a_1}(a_{c_1}(c_{c_1}(x1)))) 19.34/5.90 b_{c_1}(c_{b_1}(b_{a_1}(x1))) -> b_{b_1}(b_{a_1}(a_{c_1}(c_{a_1}(x1)))) 19.34/5.90 b_{c_1}(c_{b_1}(b_{b_1}(x1))) -> b_{b_1}(b_{a_1}(a_{c_1}(c_{b_1}(x1)))) 19.34/5.90 b_{c_1}(c_{b_1}(b_{c_1}(x1))) -> b_{b_1}(b_{a_1}(a_{c_1}(c_{c_1}(x1)))) 19.34/5.90 c_{c_1}(c_{b_1}(b_{a_1}(x1))) -> c_{b_1}(b_{a_1}(a_{c_1}(c_{a_1}(x1)))) 19.34/5.90 c_{c_1}(c_{b_1}(b_{b_1}(x1))) -> c_{b_1}(b_{a_1}(a_{c_1}(c_{b_1}(x1)))) 19.34/5.90 c_{c_1}(c_{b_1}(b_{c_1}(x1))) -> c_{b_1}(b_{a_1}(a_{c_1}(c_{c_1}(x1)))) 19.34/5.90 19.34/5.90 Q is empty. 19.34/5.90 We have to consider all minimal (P,Q,R)-chains. 19.34/5.90 ---------------------------------------- 19.34/5.90 19.34/5.90 (13) DependencyGraphProof (EQUIVALENT) 19.34/5.90 The approximation of the Dependency Graph [LPAR04,FROCOS05,EDGSTAR] contains 0 SCCs with 18 less nodes. 19.34/5.90 ---------------------------------------- 19.34/5.90 19.34/5.90 (14) 19.34/5.90 TRUE 19.57/5.99 EOF