36.10/10.12 YES 36.10/10.14 proof of /export/starexec/sandbox/benchmark/theBenchmark.xml 36.10/10.14 # AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty 36.10/10.14 36.10/10.14 36.10/10.14 Termination w.r.t. Q of the given QTRS could be proven: 36.10/10.14 36.10/10.14 (0) QTRS 36.10/10.14 (1) QTRS Reverse [EQUIVALENT, 0 ms] 36.10/10.14 (2) QTRS 36.10/10.14 (3) FlatCCProof [EQUIVALENT, 0 ms] 36.10/10.14 (4) QTRS 36.10/10.14 (5) RootLabelingProof [EQUIVALENT, 0 ms] 36.10/10.14 (6) QTRS 36.10/10.14 (7) DependencyPairsProof [EQUIVALENT, 41 ms] 36.10/10.14 (8) QDP 36.10/10.14 (9) DependencyGraphProof [EQUIVALENT, 0 ms] 36.10/10.14 (10) AND 36.10/10.14 (11) QDP 36.10/10.14 (12) UsableRulesProof [EQUIVALENT, 0 ms] 36.10/10.14 (13) QDP 36.10/10.14 (14) QDPSizeChangeProof [EQUIVALENT, 0 ms] 36.10/10.14 (15) YES 36.10/10.14 (16) QDP 36.10/10.14 (17) QDPOrderProof [EQUIVALENT, 237 ms] 36.10/10.14 (18) QDP 36.10/10.14 (19) DependencyGraphProof [EQUIVALENT, 0 ms] 36.10/10.14 (20) QDP 36.10/10.14 (21) QDPOrderProof [EQUIVALENT, 134 ms] 36.10/10.14 (22) QDP 36.10/10.14 (23) PisEmptyProof [EQUIVALENT, 0 ms] 36.10/10.14 (24) YES 36.10/10.14 36.10/10.14 36.10/10.14 ---------------------------------------- 36.10/10.14 36.10/10.14 (0) 36.10/10.14 Obligation: 36.10/10.14 Q restricted rewrite system: 36.10/10.14 The TRS R consists of the following rules: 36.10/10.14 36.10/10.14 b(b(a(a(x1)))) -> a(b(a(a(x1)))) 36.10/10.14 a(a(b(a(x1)))) -> b(b(a(a(x1)))) 36.10/10.14 a(a(b(a(x1)))) -> b(b(b(b(x1)))) 36.10/10.14 36.10/10.14 Q is empty. 36.10/10.14 36.10/10.14 ---------------------------------------- 36.10/10.14 36.10/10.14 (1) QTRS Reverse (EQUIVALENT) 36.10/10.14 We applied the QTRS Reverse Processor [REVERSE]. 36.10/10.14 ---------------------------------------- 36.10/10.14 36.10/10.14 (2) 36.10/10.14 Obligation: 36.10/10.14 Q restricted rewrite system: 36.10/10.14 The TRS R consists of the following rules: 36.10/10.14 36.10/10.14 a(a(b(b(x1)))) -> a(a(b(a(x1)))) 36.10/10.14 a(b(a(a(x1)))) -> a(a(b(b(x1)))) 36.10/10.14 a(b(a(a(x1)))) -> b(b(b(b(x1)))) 36.10/10.14 36.10/10.14 Q is empty. 36.10/10.14 36.10/10.14 ---------------------------------------- 36.10/10.14 36.10/10.14 (3) FlatCCProof (EQUIVALENT) 36.10/10.14 We used flat context closure [ROOTLAB] 36.10/10.14 As Q is empty the flat context closure was sound AND complete. 36.10/10.14 36.10/10.14 ---------------------------------------- 36.10/10.14 36.10/10.14 (4) 36.10/10.14 Obligation: 36.10/10.14 Q restricted rewrite system: 36.10/10.14 The TRS R consists of the following rules: 36.10/10.14 36.10/10.14 a(a(b(b(x1)))) -> a(a(b(a(x1)))) 36.10/10.14 a(b(a(a(x1)))) -> a(a(b(b(x1)))) 36.10/10.14 a(a(b(a(a(x1))))) -> a(b(b(b(b(x1))))) 36.10/10.14 b(a(b(a(a(x1))))) -> b(b(b(b(b(x1))))) 36.10/10.14 36.10/10.14 Q is empty. 36.10/10.14 36.10/10.14 ---------------------------------------- 36.10/10.14 36.10/10.14 (5) RootLabelingProof (EQUIVALENT) 36.10/10.14 We used plain root labeling [ROOTLAB] with the following heuristic: 36.10/10.14 LabelAll: All function symbols get labeled 36.10/10.14 36.10/10.14 As Q is empty the root labeling was sound AND complete. 36.10/10.14 36.10/10.14 ---------------------------------------- 36.10/10.14 36.10/10.14 (6) 36.10/10.14 Obligation: 36.10/10.14 Q restricted rewrite system: 36.10/10.14 The TRS R consists of the following rules: 36.10/10.14 36.10/10.14 a_{a_1}(a_{b_1}(b_{b_1}(b_{a_1}(x1)))) -> a_{a_1}(a_{b_1}(b_{a_1}(a_{a_1}(x1)))) 36.10/10.14 a_{a_1}(a_{b_1}(b_{b_1}(b_{b_1}(x1)))) -> a_{a_1}(a_{b_1}(b_{a_1}(a_{b_1}(x1)))) 36.10/10.14 a_{b_1}(b_{a_1}(a_{a_1}(a_{a_1}(x1)))) -> a_{a_1}(a_{b_1}(b_{b_1}(b_{a_1}(x1)))) 36.10/10.14 a_{b_1}(b_{a_1}(a_{a_1}(a_{b_1}(x1)))) -> a_{a_1}(a_{b_1}(b_{b_1}(b_{b_1}(x1)))) 36.10/10.14 a_{a_1}(a_{b_1}(b_{a_1}(a_{a_1}(a_{a_1}(x1))))) -> a_{b_1}(b_{b_1}(b_{b_1}(b_{b_1}(b_{a_1}(x1))))) 36.10/10.14 a_{a_1}(a_{b_1}(b_{a_1}(a_{a_1}(a_{b_1}(x1))))) -> a_{b_1}(b_{b_1}(b_{b_1}(b_{b_1}(b_{b_1}(x1))))) 36.10/10.14 b_{a_1}(a_{b_1}(b_{a_1}(a_{a_1}(a_{a_1}(x1))))) -> b_{b_1}(b_{b_1}(b_{b_1}(b_{b_1}(b_{a_1}(x1))))) 36.10/10.14 b_{a_1}(a_{b_1}(b_{a_1}(a_{a_1}(a_{b_1}(x1))))) -> b_{b_1}(b_{b_1}(b_{b_1}(b_{b_1}(b_{b_1}(x1))))) 36.10/10.14 36.10/10.14 Q is empty. 36.10/10.14 36.10/10.14 ---------------------------------------- 36.10/10.14 36.10/10.14 (7) DependencyPairsProof (EQUIVALENT) 36.10/10.14 Using Dependency Pairs [AG00,LPAR04] we result in the following initial DP problem. 36.10/10.14 ---------------------------------------- 36.10/10.14 36.10/10.14 (8) 36.10/10.14 Obligation: 36.10/10.14 Q DP problem: 36.10/10.14 The TRS P consists of the following rules: 36.10/10.14 36.10/10.14 A_{A_1}(a_{b_1}(b_{b_1}(b_{a_1}(x1)))) -> A_{A_1}(a_{b_1}(b_{a_1}(a_{a_1}(x1)))) 36.10/10.14 A_{A_1}(a_{b_1}(b_{b_1}(b_{a_1}(x1)))) -> A_{B_1}(b_{a_1}(a_{a_1}(x1))) 36.10/10.14 A_{A_1}(a_{b_1}(b_{b_1}(b_{a_1}(x1)))) -> B_{A_1}(a_{a_1}(x1)) 36.10/10.14 A_{A_1}(a_{b_1}(b_{b_1}(b_{a_1}(x1)))) -> A_{A_1}(x1) 36.10/10.14 A_{A_1}(a_{b_1}(b_{b_1}(b_{b_1}(x1)))) -> A_{A_1}(a_{b_1}(b_{a_1}(a_{b_1}(x1)))) 36.10/10.14 A_{A_1}(a_{b_1}(b_{b_1}(b_{b_1}(x1)))) -> A_{B_1}(b_{a_1}(a_{b_1}(x1))) 36.10/10.14 A_{A_1}(a_{b_1}(b_{b_1}(b_{b_1}(x1)))) -> B_{A_1}(a_{b_1}(x1)) 36.10/10.14 A_{A_1}(a_{b_1}(b_{b_1}(b_{b_1}(x1)))) -> A_{B_1}(x1) 36.10/10.14 A_{B_1}(b_{a_1}(a_{a_1}(a_{a_1}(x1)))) -> A_{A_1}(a_{b_1}(b_{b_1}(b_{a_1}(x1)))) 36.10/10.14 A_{B_1}(b_{a_1}(a_{a_1}(a_{a_1}(x1)))) -> A_{B_1}(b_{b_1}(b_{a_1}(x1))) 36.10/10.14 A_{B_1}(b_{a_1}(a_{a_1}(a_{a_1}(x1)))) -> B_{A_1}(x1) 36.10/10.14 A_{B_1}(b_{a_1}(a_{a_1}(a_{b_1}(x1)))) -> A_{A_1}(a_{b_1}(b_{b_1}(b_{b_1}(x1)))) 36.10/10.14 A_{B_1}(b_{a_1}(a_{a_1}(a_{b_1}(x1)))) -> A_{B_1}(b_{b_1}(b_{b_1}(x1))) 36.10/10.14 A_{A_1}(a_{b_1}(b_{a_1}(a_{a_1}(a_{a_1}(x1))))) -> A_{B_1}(b_{b_1}(b_{b_1}(b_{b_1}(b_{a_1}(x1))))) 36.10/10.14 A_{A_1}(a_{b_1}(b_{a_1}(a_{a_1}(a_{a_1}(x1))))) -> B_{A_1}(x1) 36.10/10.14 A_{A_1}(a_{b_1}(b_{a_1}(a_{a_1}(a_{b_1}(x1))))) -> A_{B_1}(b_{b_1}(b_{b_1}(b_{b_1}(b_{b_1}(x1))))) 36.10/10.14 B_{A_1}(a_{b_1}(b_{a_1}(a_{a_1}(a_{a_1}(x1))))) -> B_{A_1}(x1) 36.10/10.14 36.10/10.14 The TRS R consists of the following rules: 36.10/10.14 36.10/10.14 a_{a_1}(a_{b_1}(b_{b_1}(b_{a_1}(x1)))) -> a_{a_1}(a_{b_1}(b_{a_1}(a_{a_1}(x1)))) 36.10/10.14 a_{a_1}(a_{b_1}(b_{b_1}(b_{b_1}(x1)))) -> a_{a_1}(a_{b_1}(b_{a_1}(a_{b_1}(x1)))) 36.10/10.14 a_{b_1}(b_{a_1}(a_{a_1}(a_{a_1}(x1)))) -> a_{a_1}(a_{b_1}(b_{b_1}(b_{a_1}(x1)))) 36.10/10.14 a_{b_1}(b_{a_1}(a_{a_1}(a_{b_1}(x1)))) -> a_{a_1}(a_{b_1}(b_{b_1}(b_{b_1}(x1)))) 36.10/10.14 a_{a_1}(a_{b_1}(b_{a_1}(a_{a_1}(a_{a_1}(x1))))) -> a_{b_1}(b_{b_1}(b_{b_1}(b_{b_1}(b_{a_1}(x1))))) 36.10/10.14 a_{a_1}(a_{b_1}(b_{a_1}(a_{a_1}(a_{b_1}(x1))))) -> a_{b_1}(b_{b_1}(b_{b_1}(b_{b_1}(b_{b_1}(x1))))) 36.10/10.14 b_{a_1}(a_{b_1}(b_{a_1}(a_{a_1}(a_{a_1}(x1))))) -> b_{b_1}(b_{b_1}(b_{b_1}(b_{b_1}(b_{a_1}(x1))))) 36.10/10.14 b_{a_1}(a_{b_1}(b_{a_1}(a_{a_1}(a_{b_1}(x1))))) -> b_{b_1}(b_{b_1}(b_{b_1}(b_{b_1}(b_{b_1}(x1))))) 36.10/10.14 36.10/10.14 Q is empty. 36.10/10.14 We have to consider all minimal (P,Q,R)-chains. 36.10/10.14 ---------------------------------------- 36.10/10.14 36.10/10.14 (9) DependencyGraphProof (EQUIVALENT) 36.10/10.14 The approximation of the Dependency Graph [LPAR04,FROCOS05,EDGSTAR] contains 2 SCCs with 8 less nodes. 36.10/10.14 ---------------------------------------- 36.10/10.14 36.10/10.14 (10) 36.10/10.14 Complex Obligation (AND) 36.10/10.14 36.10/10.14 ---------------------------------------- 36.10/10.14 36.10/10.14 (11) 36.10/10.14 Obligation: 36.10/10.14 Q DP problem: 36.10/10.14 The TRS P consists of the following rules: 36.10/10.14 36.10/10.14 B_{A_1}(a_{b_1}(b_{a_1}(a_{a_1}(a_{a_1}(x1))))) -> B_{A_1}(x1) 36.10/10.14 36.10/10.14 The TRS R consists of the following rules: 36.10/10.14 36.10/10.14 a_{a_1}(a_{b_1}(b_{b_1}(b_{a_1}(x1)))) -> a_{a_1}(a_{b_1}(b_{a_1}(a_{a_1}(x1)))) 36.10/10.14 a_{a_1}(a_{b_1}(b_{b_1}(b_{b_1}(x1)))) -> a_{a_1}(a_{b_1}(b_{a_1}(a_{b_1}(x1)))) 36.10/10.14 a_{b_1}(b_{a_1}(a_{a_1}(a_{a_1}(x1)))) -> a_{a_1}(a_{b_1}(b_{b_1}(b_{a_1}(x1)))) 36.10/10.14 a_{b_1}(b_{a_1}(a_{a_1}(a_{b_1}(x1)))) -> a_{a_1}(a_{b_1}(b_{b_1}(b_{b_1}(x1)))) 36.10/10.14 a_{a_1}(a_{b_1}(b_{a_1}(a_{a_1}(a_{a_1}(x1))))) -> a_{b_1}(b_{b_1}(b_{b_1}(b_{b_1}(b_{a_1}(x1))))) 36.10/10.14 a_{a_1}(a_{b_1}(b_{a_1}(a_{a_1}(a_{b_1}(x1))))) -> a_{b_1}(b_{b_1}(b_{b_1}(b_{b_1}(b_{b_1}(x1))))) 36.10/10.14 b_{a_1}(a_{b_1}(b_{a_1}(a_{a_1}(a_{a_1}(x1))))) -> b_{b_1}(b_{b_1}(b_{b_1}(b_{b_1}(b_{a_1}(x1))))) 36.10/10.14 b_{a_1}(a_{b_1}(b_{a_1}(a_{a_1}(a_{b_1}(x1))))) -> b_{b_1}(b_{b_1}(b_{b_1}(b_{b_1}(b_{b_1}(x1))))) 36.10/10.14 36.10/10.14 Q is empty. 36.10/10.14 We have to consider all minimal (P,Q,R)-chains. 36.10/10.14 ---------------------------------------- 36.10/10.14 36.10/10.14 (12) UsableRulesProof (EQUIVALENT) 36.10/10.14 We can use the usable rules and reduction pair processor [LPAR04] with the Ce-compatible extension of the polynomial order that maps every function symbol to the sum of its arguments. Then, we can delete all non-usable rules [FROCOS05] from R. 36.10/10.14 ---------------------------------------- 36.10/10.14 36.10/10.14 (13) 36.10/10.14 Obligation: 36.10/10.14 Q DP problem: 36.10/10.14 The TRS P consists of the following rules: 36.10/10.14 36.10/10.14 B_{A_1}(a_{b_1}(b_{a_1}(a_{a_1}(a_{a_1}(x1))))) -> B_{A_1}(x1) 36.10/10.14 36.10/10.14 R is empty. 36.10/10.14 Q is empty. 36.10/10.14 We have to consider all minimal (P,Q,R)-chains. 36.10/10.14 ---------------------------------------- 36.10/10.14 36.10/10.14 (14) QDPSizeChangeProof (EQUIVALENT) 36.10/10.14 By using the subterm criterion [SUBTERM_CRITERION] together with the size-change analysis [AAECC05] we have proven that there are no infinite chains for this DP problem. 36.10/10.14 36.10/10.14 From the DPs we obtained the following set of size-change graphs: 36.10/10.14 *B_{A_1}(a_{b_1}(b_{a_1}(a_{a_1}(a_{a_1}(x1))))) -> B_{A_1}(x1) 36.10/10.14 The graph contains the following edges 1 > 1 36.10/10.14 36.10/10.14 36.10/10.14 ---------------------------------------- 36.10/10.14 36.10/10.14 (15) 36.10/10.14 YES 36.10/10.14 36.10/10.14 ---------------------------------------- 36.10/10.14 36.10/10.14 (16) 36.10/10.14 Obligation: 36.10/10.14 Q DP problem: 36.10/10.14 The TRS P consists of the following rules: 36.10/10.14 36.10/10.14 A_{A_1}(a_{b_1}(b_{b_1}(b_{b_1}(x1)))) -> A_{A_1}(a_{b_1}(b_{a_1}(a_{b_1}(x1)))) 36.10/10.14 A_{A_1}(a_{b_1}(b_{b_1}(b_{b_1}(x1)))) -> A_{B_1}(b_{a_1}(a_{b_1}(x1))) 36.10/10.14 A_{B_1}(b_{a_1}(a_{a_1}(a_{a_1}(x1)))) -> A_{A_1}(a_{b_1}(b_{b_1}(b_{a_1}(x1)))) 36.10/10.14 A_{A_1}(a_{b_1}(b_{b_1}(b_{a_1}(x1)))) -> A_{A_1}(a_{b_1}(b_{a_1}(a_{a_1}(x1)))) 36.10/10.14 A_{A_1}(a_{b_1}(b_{b_1}(b_{b_1}(x1)))) -> A_{B_1}(x1) 36.10/10.14 A_{B_1}(b_{a_1}(a_{a_1}(a_{b_1}(x1)))) -> A_{A_1}(a_{b_1}(b_{b_1}(b_{b_1}(x1)))) 36.10/10.14 A_{A_1}(a_{b_1}(b_{b_1}(b_{a_1}(x1)))) -> A_{B_1}(b_{a_1}(a_{a_1}(x1))) 36.10/10.14 A_{A_1}(a_{b_1}(b_{b_1}(b_{a_1}(x1)))) -> A_{A_1}(x1) 36.10/10.14 36.10/10.14 The TRS R consists of the following rules: 36.10/10.14 36.10/10.14 a_{a_1}(a_{b_1}(b_{b_1}(b_{a_1}(x1)))) -> a_{a_1}(a_{b_1}(b_{a_1}(a_{a_1}(x1)))) 36.10/10.14 a_{a_1}(a_{b_1}(b_{b_1}(b_{b_1}(x1)))) -> a_{a_1}(a_{b_1}(b_{a_1}(a_{b_1}(x1)))) 36.10/10.14 a_{b_1}(b_{a_1}(a_{a_1}(a_{a_1}(x1)))) -> a_{a_1}(a_{b_1}(b_{b_1}(b_{a_1}(x1)))) 36.10/10.14 a_{b_1}(b_{a_1}(a_{a_1}(a_{b_1}(x1)))) -> a_{a_1}(a_{b_1}(b_{b_1}(b_{b_1}(x1)))) 36.10/10.14 a_{a_1}(a_{b_1}(b_{a_1}(a_{a_1}(a_{a_1}(x1))))) -> a_{b_1}(b_{b_1}(b_{b_1}(b_{b_1}(b_{a_1}(x1))))) 36.10/10.14 a_{a_1}(a_{b_1}(b_{a_1}(a_{a_1}(a_{b_1}(x1))))) -> a_{b_1}(b_{b_1}(b_{b_1}(b_{b_1}(b_{b_1}(x1))))) 36.10/10.14 b_{a_1}(a_{b_1}(b_{a_1}(a_{a_1}(a_{a_1}(x1))))) -> b_{b_1}(b_{b_1}(b_{b_1}(b_{b_1}(b_{a_1}(x1))))) 36.10/10.14 b_{a_1}(a_{b_1}(b_{a_1}(a_{a_1}(a_{b_1}(x1))))) -> b_{b_1}(b_{b_1}(b_{b_1}(b_{b_1}(b_{b_1}(x1))))) 36.10/10.14 36.10/10.14 Q is empty. 36.10/10.14 We have to consider all minimal (P,Q,R)-chains. 36.10/10.14 ---------------------------------------- 36.10/10.14 36.10/10.14 (17) QDPOrderProof (EQUIVALENT) 36.10/10.14 We use the reduction pair processor [LPAR04,JAR06]. 36.10/10.14 36.10/10.14 36.10/10.14 The following pairs can be oriented strictly and are deleted. 36.10/10.14 36.10/10.14 A_{B_1}(b_{a_1}(a_{a_1}(a_{a_1}(x1)))) -> A_{A_1}(a_{b_1}(b_{b_1}(b_{a_1}(x1)))) 36.10/10.14 A_{A_1}(a_{b_1}(b_{b_1}(b_{b_1}(x1)))) -> A_{B_1}(x1) 36.10/10.14 A_{B_1}(b_{a_1}(a_{a_1}(a_{b_1}(x1)))) -> A_{A_1}(a_{b_1}(b_{b_1}(b_{b_1}(x1)))) 36.10/10.14 A_{A_1}(a_{b_1}(b_{b_1}(b_{a_1}(x1)))) -> A_{A_1}(x1) 36.10/10.14 The remaining pairs can at least be oriented weakly. 36.10/10.14 Used ordering: Polynomial Order [NEGPOLO,POLO] with Interpretation: 36.10/10.14 36.10/10.14 POL( A_{A_1}_1(x_1) ) = max{0, x_1 - 2} 36.10/10.14 POL( A_{B_1}_1(x_1) ) = x_1 36.10/10.14 POL( b_{a_1}_1(x_1) ) = x_1 36.10/10.14 POL( a_{b_1}_1(x_1) ) = x_1 + 2 36.10/10.14 POL( a_{a_1}_1(x_1) ) = x_1 + 1 36.10/10.14 POL( b_{b_1}_1(x_1) ) = x_1 + 1 36.10/10.14 36.10/10.14 The following usable rules [FROCOS05] with respect to the argument filtering of the ordering [JAR06] were oriented: 36.10/10.14 36.10/10.14 a_{b_1}(b_{a_1}(a_{a_1}(a_{a_1}(x1)))) -> a_{a_1}(a_{b_1}(b_{b_1}(b_{a_1}(x1)))) 36.10/10.14 a_{b_1}(b_{a_1}(a_{a_1}(a_{b_1}(x1)))) -> a_{a_1}(a_{b_1}(b_{b_1}(b_{b_1}(x1)))) 36.10/10.14 b_{a_1}(a_{b_1}(b_{a_1}(a_{a_1}(a_{a_1}(x1))))) -> b_{b_1}(b_{b_1}(b_{b_1}(b_{b_1}(b_{a_1}(x1))))) 36.10/10.14 b_{a_1}(a_{b_1}(b_{a_1}(a_{a_1}(a_{b_1}(x1))))) -> b_{b_1}(b_{b_1}(b_{b_1}(b_{b_1}(b_{b_1}(x1))))) 36.10/10.14 a_{a_1}(a_{b_1}(b_{b_1}(b_{b_1}(x1)))) -> a_{a_1}(a_{b_1}(b_{a_1}(a_{b_1}(x1)))) 36.10/10.14 a_{a_1}(a_{b_1}(b_{b_1}(b_{a_1}(x1)))) -> a_{a_1}(a_{b_1}(b_{a_1}(a_{a_1}(x1)))) 36.10/10.14 a_{a_1}(a_{b_1}(b_{a_1}(a_{a_1}(a_{a_1}(x1))))) -> a_{b_1}(b_{b_1}(b_{b_1}(b_{b_1}(b_{a_1}(x1))))) 36.10/10.14 a_{a_1}(a_{b_1}(b_{a_1}(a_{a_1}(a_{b_1}(x1))))) -> a_{b_1}(b_{b_1}(b_{b_1}(b_{b_1}(b_{b_1}(x1))))) 36.10/10.14 36.10/10.14 36.10/10.14 ---------------------------------------- 36.10/10.14 36.10/10.14 (18) 36.10/10.14 Obligation: 36.10/10.14 Q DP problem: 36.10/10.14 The TRS P consists of the following rules: 36.10/10.14 36.10/10.14 A_{A_1}(a_{b_1}(b_{b_1}(b_{b_1}(x1)))) -> A_{A_1}(a_{b_1}(b_{a_1}(a_{b_1}(x1)))) 36.10/10.14 A_{A_1}(a_{b_1}(b_{b_1}(b_{b_1}(x1)))) -> A_{B_1}(b_{a_1}(a_{b_1}(x1))) 36.10/10.14 A_{A_1}(a_{b_1}(b_{b_1}(b_{a_1}(x1)))) -> A_{A_1}(a_{b_1}(b_{a_1}(a_{a_1}(x1)))) 36.10/10.14 A_{A_1}(a_{b_1}(b_{b_1}(b_{a_1}(x1)))) -> A_{B_1}(b_{a_1}(a_{a_1}(x1))) 36.10/10.14 36.10/10.14 The TRS R consists of the following rules: 36.10/10.14 36.10/10.14 a_{a_1}(a_{b_1}(b_{b_1}(b_{a_1}(x1)))) -> a_{a_1}(a_{b_1}(b_{a_1}(a_{a_1}(x1)))) 36.10/10.14 a_{a_1}(a_{b_1}(b_{b_1}(b_{b_1}(x1)))) -> a_{a_1}(a_{b_1}(b_{a_1}(a_{b_1}(x1)))) 36.10/10.14 a_{b_1}(b_{a_1}(a_{a_1}(a_{a_1}(x1)))) -> a_{a_1}(a_{b_1}(b_{b_1}(b_{a_1}(x1)))) 36.10/10.14 a_{b_1}(b_{a_1}(a_{a_1}(a_{b_1}(x1)))) -> a_{a_1}(a_{b_1}(b_{b_1}(b_{b_1}(x1)))) 36.10/10.14 a_{a_1}(a_{b_1}(b_{a_1}(a_{a_1}(a_{a_1}(x1))))) -> a_{b_1}(b_{b_1}(b_{b_1}(b_{b_1}(b_{a_1}(x1))))) 36.10/10.14 a_{a_1}(a_{b_1}(b_{a_1}(a_{a_1}(a_{b_1}(x1))))) -> a_{b_1}(b_{b_1}(b_{b_1}(b_{b_1}(b_{b_1}(x1))))) 36.10/10.14 b_{a_1}(a_{b_1}(b_{a_1}(a_{a_1}(a_{a_1}(x1))))) -> b_{b_1}(b_{b_1}(b_{b_1}(b_{b_1}(b_{a_1}(x1))))) 36.10/10.14 b_{a_1}(a_{b_1}(b_{a_1}(a_{a_1}(a_{b_1}(x1))))) -> b_{b_1}(b_{b_1}(b_{b_1}(b_{b_1}(b_{b_1}(x1))))) 36.10/10.14 36.10/10.14 Q is empty. 36.10/10.14 We have to consider all minimal (P,Q,R)-chains. 36.10/10.14 ---------------------------------------- 36.10/10.14 36.10/10.14 (19) DependencyGraphProof (EQUIVALENT) 36.10/10.14 The approximation of the Dependency Graph [LPAR04,FROCOS05,EDGSTAR] contains 1 SCC with 3 less nodes. 36.10/10.14 ---------------------------------------- 36.10/10.14 36.10/10.14 (20) 36.10/10.14 Obligation: 36.10/10.14 Q DP problem: 36.10/10.14 The TRS P consists of the following rules: 36.10/10.14 36.10/10.14 A_{A_1}(a_{b_1}(b_{b_1}(b_{b_1}(x1)))) -> A_{A_1}(a_{b_1}(b_{a_1}(a_{b_1}(x1)))) 36.10/10.14 36.10/10.14 The TRS R consists of the following rules: 36.10/10.14 36.10/10.14 a_{a_1}(a_{b_1}(b_{b_1}(b_{a_1}(x1)))) -> a_{a_1}(a_{b_1}(b_{a_1}(a_{a_1}(x1)))) 36.10/10.14 a_{a_1}(a_{b_1}(b_{b_1}(b_{b_1}(x1)))) -> a_{a_1}(a_{b_1}(b_{a_1}(a_{b_1}(x1)))) 36.10/10.14 a_{b_1}(b_{a_1}(a_{a_1}(a_{a_1}(x1)))) -> a_{a_1}(a_{b_1}(b_{b_1}(b_{a_1}(x1)))) 36.10/10.14 a_{b_1}(b_{a_1}(a_{a_1}(a_{b_1}(x1)))) -> a_{a_1}(a_{b_1}(b_{b_1}(b_{b_1}(x1)))) 36.10/10.14 a_{a_1}(a_{b_1}(b_{a_1}(a_{a_1}(a_{a_1}(x1))))) -> a_{b_1}(b_{b_1}(b_{b_1}(b_{b_1}(b_{a_1}(x1))))) 36.10/10.14 a_{a_1}(a_{b_1}(b_{a_1}(a_{a_1}(a_{b_1}(x1))))) -> a_{b_1}(b_{b_1}(b_{b_1}(b_{b_1}(b_{b_1}(x1))))) 36.10/10.14 b_{a_1}(a_{b_1}(b_{a_1}(a_{a_1}(a_{a_1}(x1))))) -> b_{b_1}(b_{b_1}(b_{b_1}(b_{b_1}(b_{a_1}(x1))))) 36.10/10.14 b_{a_1}(a_{b_1}(b_{a_1}(a_{a_1}(a_{b_1}(x1))))) -> b_{b_1}(b_{b_1}(b_{b_1}(b_{b_1}(b_{b_1}(x1))))) 36.10/10.14 36.10/10.14 Q is empty. 36.10/10.14 We have to consider all minimal (P,Q,R)-chains. 36.10/10.14 ---------------------------------------- 36.10/10.14 36.10/10.14 (21) QDPOrderProof (EQUIVALENT) 36.10/10.14 We use the reduction pair processor [LPAR04,JAR06]. 36.10/10.14 36.10/10.14 36.10/10.14 The following pairs can be oriented strictly and are deleted. 36.10/10.14 36.10/10.14 A_{A_1}(a_{b_1}(b_{b_1}(b_{b_1}(x1)))) -> A_{A_1}(a_{b_1}(b_{a_1}(a_{b_1}(x1)))) 36.10/10.14 The remaining pairs can at least be oriented weakly. 36.10/10.14 Used ordering: Matrix interpretation [MATRO] with arctic natural numbers [ARCTIC]: 36.10/10.14 36.10/10.14 <<< 36.10/10.14 POL(A_{A_1}(x_1)) = [[0A]] + [[-I, 0A, -I]] * x_1 36.10/10.14 >>> 36.10/10.14 36.10/10.14 <<< 36.10/10.14 POL(a_{b_1}(x_1)) = [[0A], [0A], [-I]] + [[0A, 0A, 0A], [-I, 0A, -I], [0A, 0A, 1A]] * x_1 36.10/10.14 >>> 36.10/10.14 36.10/10.14 <<< 36.10/10.14 POL(b_{b_1}(x_1)) = [[-I], [-I], [0A]] + [[0A, 0A, 0A], [0A, 0A, 1A], [0A, 0A, 0A]] * x_1 36.10/10.14 >>> 36.10/10.14 36.10/10.14 <<< 36.10/10.14 POL(b_{a_1}(x_1)) = [[0A], [0A], [-I]] + [[1A, 0A, 1A], [0A, 0A, -I], [-I, -I, 0A]] * x_1 36.10/10.14 >>> 36.10/10.14 36.10/10.14 <<< 36.10/10.14 POL(a_{a_1}(x_1)) = [[0A], [0A], [0A]] + [[1A, 0A, 1A], [0A, 0A, 0A], [0A, 0A, 0A]] * x_1 36.10/10.14 >>> 36.10/10.14 36.10/10.14 36.10/10.14 The following usable rules [FROCOS05] with respect to the argument filtering of the ordering [JAR06] were oriented: 36.10/10.14 36.10/10.14 a_{b_1}(b_{a_1}(a_{a_1}(a_{a_1}(x1)))) -> a_{a_1}(a_{b_1}(b_{b_1}(b_{a_1}(x1)))) 36.10/10.14 a_{b_1}(b_{a_1}(a_{a_1}(a_{b_1}(x1)))) -> a_{a_1}(a_{b_1}(b_{b_1}(b_{b_1}(x1)))) 36.10/10.14 b_{a_1}(a_{b_1}(b_{a_1}(a_{a_1}(a_{a_1}(x1))))) -> b_{b_1}(b_{b_1}(b_{b_1}(b_{b_1}(b_{a_1}(x1))))) 36.10/10.14 b_{a_1}(a_{b_1}(b_{a_1}(a_{a_1}(a_{b_1}(x1))))) -> b_{b_1}(b_{b_1}(b_{b_1}(b_{b_1}(b_{b_1}(x1))))) 36.10/10.14 a_{a_1}(a_{b_1}(b_{b_1}(b_{b_1}(x1)))) -> a_{a_1}(a_{b_1}(b_{a_1}(a_{b_1}(x1)))) 36.10/10.14 a_{a_1}(a_{b_1}(b_{b_1}(b_{a_1}(x1)))) -> a_{a_1}(a_{b_1}(b_{a_1}(a_{a_1}(x1)))) 36.10/10.14 a_{a_1}(a_{b_1}(b_{a_1}(a_{a_1}(a_{a_1}(x1))))) -> a_{b_1}(b_{b_1}(b_{b_1}(b_{b_1}(b_{a_1}(x1))))) 36.10/10.14 a_{a_1}(a_{b_1}(b_{a_1}(a_{a_1}(a_{b_1}(x1))))) -> a_{b_1}(b_{b_1}(b_{b_1}(b_{b_1}(b_{b_1}(x1))))) 36.10/10.14 36.10/10.14 36.10/10.14 ---------------------------------------- 36.10/10.14 36.10/10.14 (22) 36.10/10.14 Obligation: 36.10/10.14 Q DP problem: 36.10/10.14 P is empty. 36.10/10.14 The TRS R consists of the following rules: 36.10/10.14 36.10/10.14 a_{a_1}(a_{b_1}(b_{b_1}(b_{a_1}(x1)))) -> a_{a_1}(a_{b_1}(b_{a_1}(a_{a_1}(x1)))) 36.10/10.14 a_{a_1}(a_{b_1}(b_{b_1}(b_{b_1}(x1)))) -> a_{a_1}(a_{b_1}(b_{a_1}(a_{b_1}(x1)))) 36.10/10.14 a_{b_1}(b_{a_1}(a_{a_1}(a_{a_1}(x1)))) -> a_{a_1}(a_{b_1}(b_{b_1}(b_{a_1}(x1)))) 36.10/10.14 a_{b_1}(b_{a_1}(a_{a_1}(a_{b_1}(x1)))) -> a_{a_1}(a_{b_1}(b_{b_1}(b_{b_1}(x1)))) 36.10/10.14 a_{a_1}(a_{b_1}(b_{a_1}(a_{a_1}(a_{a_1}(x1))))) -> a_{b_1}(b_{b_1}(b_{b_1}(b_{b_1}(b_{a_1}(x1))))) 36.10/10.14 a_{a_1}(a_{b_1}(b_{a_1}(a_{a_1}(a_{b_1}(x1))))) -> a_{b_1}(b_{b_1}(b_{b_1}(b_{b_1}(b_{b_1}(x1))))) 36.10/10.14 b_{a_1}(a_{b_1}(b_{a_1}(a_{a_1}(a_{a_1}(x1))))) -> b_{b_1}(b_{b_1}(b_{b_1}(b_{b_1}(b_{a_1}(x1))))) 36.10/10.14 b_{a_1}(a_{b_1}(b_{a_1}(a_{a_1}(a_{b_1}(x1))))) -> b_{b_1}(b_{b_1}(b_{b_1}(b_{b_1}(b_{b_1}(x1))))) 36.10/10.14 36.10/10.14 Q is empty. 36.10/10.14 We have to consider all minimal (P,Q,R)-chains. 36.10/10.14 ---------------------------------------- 36.10/10.14 36.10/10.14 (23) PisEmptyProof (EQUIVALENT) 36.10/10.14 The TRS P is empty. Hence, there is no (P,Q,R) chain. 36.10/10.14 ---------------------------------------- 36.10/10.14 36.10/10.14 (24) 36.10/10.14 YES 36.30/10.28 EOF