92.84/24.64 YES 93.37/24.68 proof of /export/starexec/sandbox/benchmark/theBenchmark.xml 93.37/24.68 # AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty 93.37/24.68 93.37/24.68 93.37/24.68 Termination w.r.t. Q of the given QTRS could be proven: 93.37/24.68 93.37/24.68 (0) QTRS 93.37/24.68 (1) QTRS Reverse [EQUIVALENT, 0 ms] 93.37/24.68 (2) QTRS 93.37/24.68 (3) RootLabelingProof [EQUIVALENT, 0 ms] 93.37/24.68 (4) QTRS 93.37/24.68 (5) DependencyPairsProof [EQUIVALENT, 37 ms] 93.37/24.68 (6) QDP 93.37/24.68 (7) QDPOrderProof [EQUIVALENT, 2076 ms] 93.37/24.68 (8) QDP 93.37/24.68 (9) QDPOrderProof [EQUIVALENT, 639 ms] 93.37/24.68 (10) QDP 93.37/24.68 (11) QDPOrderProof [EQUIVALENT, 10 ms] 93.37/24.68 (12) QDP 93.37/24.68 (13) PisEmptyProof [EQUIVALENT, 0 ms] 93.37/24.68 (14) YES 93.37/24.68 93.37/24.68 93.37/24.68 ---------------------------------------- 93.37/24.68 93.37/24.68 (0) 93.37/24.68 Obligation: 93.37/24.68 Q restricted rewrite system: 93.37/24.68 The TRS R consists of the following rules: 93.37/24.68 93.37/24.68 b(a(b(b(x1)))) -> b(b(b(a(b(x1))))) 93.37/24.68 b(a(a(b(b(x1))))) -> b(a(b(b(a(a(b(x1))))))) 93.37/24.68 b(a(a(a(b(b(x1)))))) -> b(a(a(b(b(a(a(a(b(x1))))))))) 93.37/24.68 93.37/24.68 Q is empty. 93.37/24.68 93.37/24.68 ---------------------------------------- 93.37/24.68 93.37/24.68 (1) QTRS Reverse (EQUIVALENT) 93.37/24.68 We applied the QTRS Reverse Processor [REVERSE]. 93.37/24.68 ---------------------------------------- 93.37/24.68 93.37/24.68 (2) 93.37/24.68 Obligation: 93.37/24.68 Q restricted rewrite system: 93.37/24.68 The TRS R consists of the following rules: 93.37/24.68 93.37/24.68 b(b(a(b(x1)))) -> b(a(b(b(b(x1))))) 93.37/24.68 b(b(a(a(b(x1))))) -> b(a(a(b(b(a(b(x1))))))) 93.37/24.68 b(b(a(a(a(b(x1)))))) -> b(a(a(a(b(b(a(a(b(x1))))))))) 93.37/24.68 93.37/24.68 Q is empty. 93.37/24.68 93.37/24.68 ---------------------------------------- 93.37/24.68 93.37/24.68 (3) RootLabelingProof (EQUIVALENT) 93.37/24.68 We used plain root labeling [ROOTLAB] with the following heuristic: 93.37/24.68 LabelAll: All function symbols get labeled 93.37/24.68 93.37/24.68 As Q is empty the root labeling was sound AND complete. 93.37/24.68 93.37/24.68 ---------------------------------------- 93.37/24.68 93.37/24.68 (4) 93.37/24.68 Obligation: 93.37/24.68 Q restricted rewrite system: 93.37/24.68 The TRS R consists of the following rules: 93.37/24.68 93.37/24.68 b_{b_1}(b_{a_1}(a_{b_1}(b_{b_1}(x1)))) -> b_{a_1}(a_{b_1}(b_{b_1}(b_{b_1}(b_{b_1}(x1))))) 93.37/24.68 b_{b_1}(b_{a_1}(a_{b_1}(b_{a_1}(x1)))) -> b_{a_1}(a_{b_1}(b_{b_1}(b_{b_1}(b_{a_1}(x1))))) 93.37/24.68 b_{b_1}(b_{a_1}(a_{a_1}(a_{b_1}(b_{b_1}(x1))))) -> b_{a_1}(a_{a_1}(a_{b_1}(b_{b_1}(b_{a_1}(a_{b_1}(b_{b_1}(x1))))))) 93.37/24.68 b_{b_1}(b_{a_1}(a_{a_1}(a_{b_1}(b_{a_1}(x1))))) -> b_{a_1}(a_{a_1}(a_{b_1}(b_{b_1}(b_{a_1}(a_{b_1}(b_{a_1}(x1))))))) 93.37/24.68 b_{b_1}(b_{a_1}(a_{a_1}(a_{a_1}(a_{b_1}(b_{b_1}(x1)))))) -> b_{a_1}(a_{a_1}(a_{a_1}(a_{b_1}(b_{b_1}(b_{a_1}(a_{a_1}(a_{b_1}(b_{b_1}(x1))))))))) 93.37/24.68 b_{b_1}(b_{a_1}(a_{a_1}(a_{a_1}(a_{b_1}(b_{a_1}(x1)))))) -> b_{a_1}(a_{a_1}(a_{a_1}(a_{b_1}(b_{b_1}(b_{a_1}(a_{a_1}(a_{b_1}(b_{a_1}(x1))))))))) 93.37/24.68 93.37/24.68 Q is empty. 93.37/24.68 93.37/24.68 ---------------------------------------- 93.37/24.68 93.37/24.68 (5) DependencyPairsProof (EQUIVALENT) 93.37/24.68 Using Dependency Pairs [AG00,LPAR04] we result in the following initial DP problem. 93.37/24.68 ---------------------------------------- 93.37/24.68 93.37/24.68 (6) 93.37/24.68 Obligation: 93.37/24.68 Q DP problem: 93.37/24.68 The TRS P consists of the following rules: 93.37/24.68 93.37/24.68 B_{B_1}(b_{a_1}(a_{b_1}(b_{b_1}(x1)))) -> B_{B_1}(b_{b_1}(b_{b_1}(x1))) 93.37/24.68 B_{B_1}(b_{a_1}(a_{b_1}(b_{b_1}(x1)))) -> B_{B_1}(b_{b_1}(x1)) 93.37/24.68 B_{B_1}(b_{a_1}(a_{b_1}(b_{a_1}(x1)))) -> B_{B_1}(b_{b_1}(b_{a_1}(x1))) 93.37/24.68 B_{B_1}(b_{a_1}(a_{b_1}(b_{a_1}(x1)))) -> B_{B_1}(b_{a_1}(x1)) 93.37/24.68 B_{B_1}(b_{a_1}(a_{a_1}(a_{b_1}(b_{b_1}(x1))))) -> B_{B_1}(b_{a_1}(a_{b_1}(b_{b_1}(x1)))) 93.37/24.68 B_{B_1}(b_{a_1}(a_{a_1}(a_{b_1}(b_{a_1}(x1))))) -> B_{B_1}(b_{a_1}(a_{b_1}(b_{a_1}(x1)))) 93.37/24.68 B_{B_1}(b_{a_1}(a_{a_1}(a_{a_1}(a_{b_1}(b_{b_1}(x1)))))) -> B_{B_1}(b_{a_1}(a_{a_1}(a_{b_1}(b_{b_1}(x1))))) 93.37/24.68 B_{B_1}(b_{a_1}(a_{a_1}(a_{a_1}(a_{b_1}(b_{a_1}(x1)))))) -> B_{B_1}(b_{a_1}(a_{a_1}(a_{b_1}(b_{a_1}(x1))))) 93.37/24.68 93.37/24.68 The TRS R consists of the following rules: 93.37/24.68 93.37/24.68 b_{b_1}(b_{a_1}(a_{b_1}(b_{b_1}(x1)))) -> b_{a_1}(a_{b_1}(b_{b_1}(b_{b_1}(b_{b_1}(x1))))) 93.37/24.68 b_{b_1}(b_{a_1}(a_{b_1}(b_{a_1}(x1)))) -> b_{a_1}(a_{b_1}(b_{b_1}(b_{b_1}(b_{a_1}(x1))))) 93.37/24.68 b_{b_1}(b_{a_1}(a_{a_1}(a_{b_1}(b_{b_1}(x1))))) -> b_{a_1}(a_{a_1}(a_{b_1}(b_{b_1}(b_{a_1}(a_{b_1}(b_{b_1}(x1))))))) 93.37/24.68 b_{b_1}(b_{a_1}(a_{a_1}(a_{b_1}(b_{a_1}(x1))))) -> b_{a_1}(a_{a_1}(a_{b_1}(b_{b_1}(b_{a_1}(a_{b_1}(b_{a_1}(x1))))))) 93.37/24.68 b_{b_1}(b_{a_1}(a_{a_1}(a_{a_1}(a_{b_1}(b_{b_1}(x1)))))) -> b_{a_1}(a_{a_1}(a_{a_1}(a_{b_1}(b_{b_1}(b_{a_1}(a_{a_1}(a_{b_1}(b_{b_1}(x1))))))))) 93.37/24.68 b_{b_1}(b_{a_1}(a_{a_1}(a_{a_1}(a_{b_1}(b_{a_1}(x1)))))) -> b_{a_1}(a_{a_1}(a_{a_1}(a_{b_1}(b_{b_1}(b_{a_1}(a_{a_1}(a_{b_1}(b_{a_1}(x1))))))))) 93.37/24.68 93.37/24.68 Q is empty. 93.37/24.68 We have to consider all minimal (P,Q,R)-chains. 93.37/24.68 ---------------------------------------- 93.37/24.68 93.37/24.68 (7) QDPOrderProof (EQUIVALENT) 93.37/24.68 We use the reduction pair processor [LPAR04,JAR06]. 93.37/24.68 93.37/24.68 93.37/24.68 The following pairs can be oriented strictly and are deleted. 93.37/24.68 93.37/24.68 B_{B_1}(b_{a_1}(a_{a_1}(a_{a_1}(a_{b_1}(b_{b_1}(x1)))))) -> B_{B_1}(b_{a_1}(a_{a_1}(a_{b_1}(b_{b_1}(x1))))) 93.37/24.68 B_{B_1}(b_{a_1}(a_{a_1}(a_{a_1}(a_{b_1}(b_{a_1}(x1)))))) -> B_{B_1}(b_{a_1}(a_{a_1}(a_{b_1}(b_{a_1}(x1))))) 93.37/24.68 The remaining pairs can at least be oriented weakly. 93.37/24.68 Used ordering: Matrix interpretation [MATRO] with arctic natural numbers [ARCTIC]: 93.37/24.68 93.37/24.68 <<< 93.37/24.68 POL(B_{B_1}(x_1)) = [[-I]] + [[0A, 0A, -I]] * x_1 93.37/24.68 >>> 93.37/24.68 93.37/24.68 <<< 93.37/24.68 POL(b_{a_1}(x_1)) = [[-I], [-I], [-I]] + [[0A, 0A, 0A], [0A, 0A, 0A], [0A, 0A, 0A]] * x_1 93.37/24.68 >>> 93.37/24.68 93.37/24.68 <<< 93.37/24.68 POL(a_{b_1}(x_1)) = [[-I], [-I], [-I]] + [[0A, 0A, 0A], [-I, -I, -I], [0A, 0A, 0A]] * x_1 93.37/24.68 >>> 93.37/24.68 93.37/24.68 <<< 93.37/24.68 POL(b_{b_1}(x_1)) = [[-I], [-I], [-I]] + [[0A, 0A, 0A], [0A, 0A, 0A], [0A, 0A, 0A]] * x_1 93.37/24.68 >>> 93.37/24.68 93.37/24.68 <<< 93.37/24.68 POL(a_{a_1}(x_1)) = [[-I], [-I], [-I]] + [[0A, 1A, 0A], [0A, 0A, 0A], [0A, 0A, 0A]] * x_1 93.37/24.68 >>> 93.37/24.68 93.37/24.68 93.37/24.68 The following usable rules [FROCOS05] with respect to the argument filtering of the ordering [JAR06] were oriented: 93.37/24.68 93.37/24.68 b_{b_1}(b_{a_1}(a_{b_1}(b_{b_1}(x1)))) -> b_{a_1}(a_{b_1}(b_{b_1}(b_{b_1}(b_{b_1}(x1))))) 93.37/24.68 b_{b_1}(b_{a_1}(a_{b_1}(b_{a_1}(x1)))) -> b_{a_1}(a_{b_1}(b_{b_1}(b_{b_1}(b_{a_1}(x1))))) 93.37/24.68 b_{b_1}(b_{a_1}(a_{a_1}(a_{b_1}(b_{b_1}(x1))))) -> b_{a_1}(a_{a_1}(a_{b_1}(b_{b_1}(b_{a_1}(a_{b_1}(b_{b_1}(x1))))))) 93.37/24.68 b_{b_1}(b_{a_1}(a_{a_1}(a_{b_1}(b_{a_1}(x1))))) -> b_{a_1}(a_{a_1}(a_{b_1}(b_{b_1}(b_{a_1}(a_{b_1}(b_{a_1}(x1))))))) 93.37/24.68 b_{b_1}(b_{a_1}(a_{a_1}(a_{a_1}(a_{b_1}(b_{b_1}(x1)))))) -> b_{a_1}(a_{a_1}(a_{a_1}(a_{b_1}(b_{b_1}(b_{a_1}(a_{a_1}(a_{b_1}(b_{b_1}(x1))))))))) 93.37/24.68 b_{b_1}(b_{a_1}(a_{a_1}(a_{a_1}(a_{b_1}(b_{a_1}(x1)))))) -> b_{a_1}(a_{a_1}(a_{a_1}(a_{b_1}(b_{b_1}(b_{a_1}(a_{a_1}(a_{b_1}(b_{a_1}(x1))))))))) 93.37/24.68 93.37/24.68 93.37/24.68 ---------------------------------------- 93.37/24.68 93.37/24.68 (8) 93.37/24.68 Obligation: 93.37/24.68 Q DP problem: 93.37/24.68 The TRS P consists of the following rules: 93.37/24.68 93.37/24.68 B_{B_1}(b_{a_1}(a_{b_1}(b_{b_1}(x1)))) -> B_{B_1}(b_{b_1}(b_{b_1}(x1))) 93.37/24.68 B_{B_1}(b_{a_1}(a_{b_1}(b_{b_1}(x1)))) -> B_{B_1}(b_{b_1}(x1)) 93.37/24.68 B_{B_1}(b_{a_1}(a_{b_1}(b_{a_1}(x1)))) -> B_{B_1}(b_{b_1}(b_{a_1}(x1))) 93.37/24.68 B_{B_1}(b_{a_1}(a_{b_1}(b_{a_1}(x1)))) -> B_{B_1}(b_{a_1}(x1)) 93.37/24.68 B_{B_1}(b_{a_1}(a_{a_1}(a_{b_1}(b_{b_1}(x1))))) -> B_{B_1}(b_{a_1}(a_{b_1}(b_{b_1}(x1)))) 93.37/24.68 B_{B_1}(b_{a_1}(a_{a_1}(a_{b_1}(b_{a_1}(x1))))) -> B_{B_1}(b_{a_1}(a_{b_1}(b_{a_1}(x1)))) 93.37/24.68 93.37/24.68 The TRS R consists of the following rules: 93.37/24.68 93.37/24.68 b_{b_1}(b_{a_1}(a_{b_1}(b_{b_1}(x1)))) -> b_{a_1}(a_{b_1}(b_{b_1}(b_{b_1}(b_{b_1}(x1))))) 93.37/24.68 b_{b_1}(b_{a_1}(a_{b_1}(b_{a_1}(x1)))) -> b_{a_1}(a_{b_1}(b_{b_1}(b_{b_1}(b_{a_1}(x1))))) 93.37/24.68 b_{b_1}(b_{a_1}(a_{a_1}(a_{b_1}(b_{b_1}(x1))))) -> b_{a_1}(a_{a_1}(a_{b_1}(b_{b_1}(b_{a_1}(a_{b_1}(b_{b_1}(x1))))))) 93.37/24.68 b_{b_1}(b_{a_1}(a_{a_1}(a_{b_1}(b_{a_1}(x1))))) -> b_{a_1}(a_{a_1}(a_{b_1}(b_{b_1}(b_{a_1}(a_{b_1}(b_{a_1}(x1))))))) 93.37/24.68 b_{b_1}(b_{a_1}(a_{a_1}(a_{a_1}(a_{b_1}(b_{b_1}(x1)))))) -> b_{a_1}(a_{a_1}(a_{a_1}(a_{b_1}(b_{b_1}(b_{a_1}(a_{a_1}(a_{b_1}(b_{b_1}(x1))))))))) 93.37/24.68 b_{b_1}(b_{a_1}(a_{a_1}(a_{a_1}(a_{b_1}(b_{a_1}(x1)))))) -> b_{a_1}(a_{a_1}(a_{a_1}(a_{b_1}(b_{b_1}(b_{a_1}(a_{a_1}(a_{b_1}(b_{a_1}(x1))))))))) 93.37/24.68 93.37/24.68 Q is empty. 93.37/24.68 We have to consider all minimal (P,Q,R)-chains. 93.37/24.68 ---------------------------------------- 93.37/24.68 93.37/24.68 (9) QDPOrderProof (EQUIVALENT) 93.37/24.68 We use the reduction pair processor [LPAR04,JAR06]. 93.37/24.68 93.37/24.68 93.37/24.68 The following pairs can be oriented strictly and are deleted. 93.37/24.68 93.37/24.68 B_{B_1}(b_{a_1}(a_{a_1}(a_{b_1}(b_{b_1}(x1))))) -> B_{B_1}(b_{a_1}(a_{b_1}(b_{b_1}(x1)))) 93.37/24.68 B_{B_1}(b_{a_1}(a_{a_1}(a_{b_1}(b_{a_1}(x1))))) -> B_{B_1}(b_{a_1}(a_{b_1}(b_{a_1}(x1)))) 93.37/24.68 The remaining pairs can at least be oriented weakly. 93.37/24.68 Used ordering: Matrix interpretation [MATRO] with arctic natural numbers [ARCTIC]: 93.37/24.68 93.37/24.68 <<< 93.37/24.68 POL(B_{B_1}(x_1)) = [[0A]] + [[0A, 0A, 0A]] * x_1 93.37/24.68 >>> 93.37/24.68 93.37/24.68 <<< 93.37/24.68 POL(b_{a_1}(x_1)) = [[0A], [0A], [0A]] + [[0A, 0A, 0A], [0A, -I, 0A], [0A, -I, 0A]] * x_1 93.37/24.68 >>> 93.37/24.68 93.37/24.68 <<< 93.37/24.68 POL(a_{b_1}(x_1)) = [[0A], [0A], [0A]] + [[0A, 0A, 0A], [0A, 0A, 0A], [0A, 0A, 0A]] * x_1 93.37/24.68 >>> 93.37/24.68 93.37/24.68 <<< 93.37/24.68 POL(b_{b_1}(x_1)) = [[0A], [0A], [0A]] + [[0A, 0A, 0A], [0A, 0A, 0A], [0A, 0A, 0A]] * x_1 93.37/24.68 >>> 93.37/24.68 93.37/24.68 <<< 93.37/24.68 POL(a_{a_1}(x_1)) = [[0A], [0A], [0A]] + [[-I, -I, -I], [0A, -I, 1A], [-I, -I, -I]] * x_1 93.37/24.68 >>> 93.37/24.68 93.37/24.68 93.37/24.68 The following usable rules [FROCOS05] with respect to the argument filtering of the ordering [JAR06] were oriented: 93.37/24.68 93.37/24.68 b_{b_1}(b_{a_1}(a_{b_1}(b_{b_1}(x1)))) -> b_{a_1}(a_{b_1}(b_{b_1}(b_{b_1}(b_{b_1}(x1))))) 93.37/24.68 b_{b_1}(b_{a_1}(a_{b_1}(b_{a_1}(x1)))) -> b_{a_1}(a_{b_1}(b_{b_1}(b_{b_1}(b_{a_1}(x1))))) 93.37/24.68 b_{b_1}(b_{a_1}(a_{a_1}(a_{b_1}(b_{b_1}(x1))))) -> b_{a_1}(a_{a_1}(a_{b_1}(b_{b_1}(b_{a_1}(a_{b_1}(b_{b_1}(x1))))))) 93.37/24.68 b_{b_1}(b_{a_1}(a_{a_1}(a_{b_1}(b_{a_1}(x1))))) -> b_{a_1}(a_{a_1}(a_{b_1}(b_{b_1}(b_{a_1}(a_{b_1}(b_{a_1}(x1))))))) 93.37/24.68 b_{b_1}(b_{a_1}(a_{a_1}(a_{a_1}(a_{b_1}(b_{b_1}(x1)))))) -> b_{a_1}(a_{a_1}(a_{a_1}(a_{b_1}(b_{b_1}(b_{a_1}(a_{a_1}(a_{b_1}(b_{b_1}(x1))))))))) 93.37/24.68 b_{b_1}(b_{a_1}(a_{a_1}(a_{a_1}(a_{b_1}(b_{a_1}(x1)))))) -> b_{a_1}(a_{a_1}(a_{a_1}(a_{b_1}(b_{b_1}(b_{a_1}(a_{a_1}(a_{b_1}(b_{a_1}(x1))))))))) 93.37/24.68 93.37/24.68 93.37/24.68 ---------------------------------------- 93.37/24.68 93.37/24.68 (10) 93.37/24.68 Obligation: 93.37/24.68 Q DP problem: 93.37/24.68 The TRS P consists of the following rules: 93.37/24.68 93.37/24.68 B_{B_1}(b_{a_1}(a_{b_1}(b_{b_1}(x1)))) -> B_{B_1}(b_{b_1}(b_{b_1}(x1))) 93.37/24.68 B_{B_1}(b_{a_1}(a_{b_1}(b_{b_1}(x1)))) -> B_{B_1}(b_{b_1}(x1)) 93.37/24.68 B_{B_1}(b_{a_1}(a_{b_1}(b_{a_1}(x1)))) -> B_{B_1}(b_{b_1}(b_{a_1}(x1))) 93.37/24.68 B_{B_1}(b_{a_1}(a_{b_1}(b_{a_1}(x1)))) -> B_{B_1}(b_{a_1}(x1)) 93.37/24.68 93.37/24.68 The TRS R consists of the following rules: 93.37/24.68 93.37/24.68 b_{b_1}(b_{a_1}(a_{b_1}(b_{b_1}(x1)))) -> b_{a_1}(a_{b_1}(b_{b_1}(b_{b_1}(b_{b_1}(x1))))) 93.37/24.68 b_{b_1}(b_{a_1}(a_{b_1}(b_{a_1}(x1)))) -> b_{a_1}(a_{b_1}(b_{b_1}(b_{b_1}(b_{a_1}(x1))))) 93.37/24.68 b_{b_1}(b_{a_1}(a_{a_1}(a_{b_1}(b_{b_1}(x1))))) -> b_{a_1}(a_{a_1}(a_{b_1}(b_{b_1}(b_{a_1}(a_{b_1}(b_{b_1}(x1))))))) 93.37/24.68 b_{b_1}(b_{a_1}(a_{a_1}(a_{b_1}(b_{a_1}(x1))))) -> b_{a_1}(a_{a_1}(a_{b_1}(b_{b_1}(b_{a_1}(a_{b_1}(b_{a_1}(x1))))))) 93.37/24.68 b_{b_1}(b_{a_1}(a_{a_1}(a_{a_1}(a_{b_1}(b_{b_1}(x1)))))) -> b_{a_1}(a_{a_1}(a_{a_1}(a_{b_1}(b_{b_1}(b_{a_1}(a_{a_1}(a_{b_1}(b_{b_1}(x1))))))))) 93.37/24.68 b_{b_1}(b_{a_1}(a_{a_1}(a_{a_1}(a_{b_1}(b_{a_1}(x1)))))) -> b_{a_1}(a_{a_1}(a_{a_1}(a_{b_1}(b_{b_1}(b_{a_1}(a_{a_1}(a_{b_1}(b_{a_1}(x1))))))))) 93.37/24.68 93.37/24.68 Q is empty. 93.37/24.68 We have to consider all minimal (P,Q,R)-chains. 93.37/24.68 ---------------------------------------- 93.37/24.68 93.37/24.68 (11) QDPOrderProof (EQUIVALENT) 93.37/24.68 We use the reduction pair processor [LPAR04,JAR06]. 93.37/24.68 93.37/24.68 93.37/24.68 The following pairs can be oriented strictly and are deleted. 93.37/24.68 93.37/24.68 B_{B_1}(b_{a_1}(a_{b_1}(b_{b_1}(x1)))) -> B_{B_1}(b_{b_1}(b_{b_1}(x1))) 93.37/24.68 B_{B_1}(b_{a_1}(a_{b_1}(b_{b_1}(x1)))) -> B_{B_1}(b_{b_1}(x1)) 93.37/24.68 B_{B_1}(b_{a_1}(a_{b_1}(b_{a_1}(x1)))) -> B_{B_1}(b_{b_1}(b_{a_1}(x1))) 93.37/24.68 B_{B_1}(b_{a_1}(a_{b_1}(b_{a_1}(x1)))) -> B_{B_1}(b_{a_1}(x1)) 93.37/24.68 The remaining pairs can at least be oriented weakly. 93.37/24.68 Used ordering: Polynomial interpretation [POLO]: 93.37/24.68 93.37/24.68 POL(B_{B_1}(x_1)) = x_1 93.37/24.68 POL(a_{a_1}(x_1)) = 0 93.37/24.68 POL(a_{b_1}(x_1)) = x_1 93.37/24.68 POL(b_{a_1}(x_1)) = 1 + x_1 93.37/24.68 POL(b_{b_1}(x_1)) = x_1 93.37/24.68 93.37/24.68 The following usable rules [FROCOS05] with respect to the argument filtering of the ordering [JAR06] were oriented: 93.37/24.68 93.37/24.68 b_{b_1}(b_{a_1}(a_{b_1}(b_{b_1}(x1)))) -> b_{a_1}(a_{b_1}(b_{b_1}(b_{b_1}(b_{b_1}(x1))))) 93.37/24.68 b_{b_1}(b_{a_1}(a_{b_1}(b_{a_1}(x1)))) -> b_{a_1}(a_{b_1}(b_{b_1}(b_{b_1}(b_{a_1}(x1))))) 93.37/24.68 b_{b_1}(b_{a_1}(a_{a_1}(a_{b_1}(b_{b_1}(x1))))) -> b_{a_1}(a_{a_1}(a_{b_1}(b_{b_1}(b_{a_1}(a_{b_1}(b_{b_1}(x1))))))) 93.37/24.68 b_{b_1}(b_{a_1}(a_{a_1}(a_{b_1}(b_{a_1}(x1))))) -> b_{a_1}(a_{a_1}(a_{b_1}(b_{b_1}(b_{a_1}(a_{b_1}(b_{a_1}(x1))))))) 93.37/24.68 b_{b_1}(b_{a_1}(a_{a_1}(a_{a_1}(a_{b_1}(b_{b_1}(x1)))))) -> b_{a_1}(a_{a_1}(a_{a_1}(a_{b_1}(b_{b_1}(b_{a_1}(a_{a_1}(a_{b_1}(b_{b_1}(x1))))))))) 93.37/24.68 b_{b_1}(b_{a_1}(a_{a_1}(a_{a_1}(a_{b_1}(b_{a_1}(x1)))))) -> b_{a_1}(a_{a_1}(a_{a_1}(a_{b_1}(b_{b_1}(b_{a_1}(a_{a_1}(a_{b_1}(b_{a_1}(x1))))))))) 93.37/24.68 93.37/24.68 93.37/24.68 ---------------------------------------- 93.37/24.68 93.37/24.68 (12) 93.37/24.68 Obligation: 93.37/24.68 Q DP problem: 93.37/24.68 P is empty. 93.37/24.68 The TRS R consists of the following rules: 93.37/24.68 93.37/24.68 b_{b_1}(b_{a_1}(a_{b_1}(b_{b_1}(x1)))) -> b_{a_1}(a_{b_1}(b_{b_1}(b_{b_1}(b_{b_1}(x1))))) 93.37/24.68 b_{b_1}(b_{a_1}(a_{b_1}(b_{a_1}(x1)))) -> b_{a_1}(a_{b_1}(b_{b_1}(b_{b_1}(b_{a_1}(x1))))) 93.37/24.68 b_{b_1}(b_{a_1}(a_{a_1}(a_{b_1}(b_{b_1}(x1))))) -> b_{a_1}(a_{a_1}(a_{b_1}(b_{b_1}(b_{a_1}(a_{b_1}(b_{b_1}(x1))))))) 93.37/24.68 b_{b_1}(b_{a_1}(a_{a_1}(a_{b_1}(b_{a_1}(x1))))) -> b_{a_1}(a_{a_1}(a_{b_1}(b_{b_1}(b_{a_1}(a_{b_1}(b_{a_1}(x1))))))) 93.37/24.68 b_{b_1}(b_{a_1}(a_{a_1}(a_{a_1}(a_{b_1}(b_{b_1}(x1)))))) -> b_{a_1}(a_{a_1}(a_{a_1}(a_{b_1}(b_{b_1}(b_{a_1}(a_{a_1}(a_{b_1}(b_{b_1}(x1))))))))) 93.37/24.68 b_{b_1}(b_{a_1}(a_{a_1}(a_{a_1}(a_{b_1}(b_{a_1}(x1)))))) -> b_{a_1}(a_{a_1}(a_{a_1}(a_{b_1}(b_{b_1}(b_{a_1}(a_{a_1}(a_{b_1}(b_{a_1}(x1))))))))) 93.37/24.68 93.37/24.68 Q is empty. 93.37/24.68 We have to consider all minimal (P,Q,R)-chains. 93.37/24.68 ---------------------------------------- 93.37/24.68 93.37/24.68 (13) PisEmptyProof (EQUIVALENT) 93.37/24.68 The TRS P is empty. Hence, there is no (P,Q,R) chain. 93.37/24.68 ---------------------------------------- 93.37/24.68 93.37/24.68 (14) 93.37/24.68 YES 93.68/24.83 EOF