191.41/49.31 YES 191.54/49.32 proof of /export/starexec/sandbox2/benchmark/theBenchmark.xml 191.54/49.32 # AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty 191.54/49.32 191.54/49.32 191.54/49.32 Termination w.r.t. Q of the given QTRS could be proven: 191.54/49.32 191.54/49.32 (0) QTRS 191.54/49.32 (1) QTRS Reverse [EQUIVALENT, 0 ms] 191.54/49.32 (2) QTRS 191.54/49.32 (3) DependencyPairsProof [EQUIVALENT, 0 ms] 191.54/49.32 (4) QDP 191.54/49.32 (5) MRRProof [EQUIVALENT, 81 ms] 191.54/49.32 (6) QDP 191.54/49.32 (7) QDPOrderProof [EQUIVALENT, 4177 ms] 191.54/49.32 (8) QDP 191.54/49.32 (9) DependencyGraphProof [EQUIVALENT, 0 ms] 191.54/49.32 (10) TRUE 191.54/49.32 191.54/49.32 191.54/49.32 ---------------------------------------- 191.54/49.32 191.54/49.32 (0) 191.54/49.32 Obligation: 191.54/49.32 Q restricted rewrite system: 191.54/49.32 The TRS R consists of the following rules: 191.54/49.32 191.54/49.32 a(a(b(x1))) -> b(a(a(a(x1)))) 191.54/49.32 b(a(b(a(x1)))) -> a(b(b(x1))) 191.54/49.32 191.54/49.32 Q is empty. 191.54/49.32 191.54/49.32 ---------------------------------------- 191.54/49.32 191.54/49.32 (1) QTRS Reverse (EQUIVALENT) 191.54/49.32 We applied the QTRS Reverse Processor [REVERSE]. 191.54/49.32 ---------------------------------------- 191.54/49.32 191.54/49.32 (2) 191.54/49.32 Obligation: 191.54/49.32 Q restricted rewrite system: 191.54/49.32 The TRS R consists of the following rules: 191.54/49.32 191.54/49.32 b(a(a(x1))) -> a(a(a(b(x1)))) 191.54/49.32 a(b(a(b(x1)))) -> b(b(a(x1))) 191.54/49.32 191.54/49.32 Q is empty. 191.54/49.32 191.54/49.32 ---------------------------------------- 191.54/49.32 191.54/49.32 (3) DependencyPairsProof (EQUIVALENT) 191.54/49.32 Using Dependency Pairs [AG00,LPAR04] we result in the following initial DP problem. 191.54/49.32 ---------------------------------------- 191.54/49.32 191.54/49.32 (4) 191.54/49.32 Obligation: 191.54/49.32 Q DP problem: 191.54/49.32 The TRS P consists of the following rules: 191.54/49.32 191.54/49.32 B(a(a(x1))) -> A(a(a(b(x1)))) 191.54/49.32 B(a(a(x1))) -> A(a(b(x1))) 191.54/49.32 B(a(a(x1))) -> A(b(x1)) 191.54/49.32 B(a(a(x1))) -> B(x1) 191.54/49.32 A(b(a(b(x1)))) -> B(b(a(x1))) 191.54/49.32 A(b(a(b(x1)))) -> B(a(x1)) 191.54/49.32 A(b(a(b(x1)))) -> A(x1) 191.54/49.32 191.54/49.32 The TRS R consists of the following rules: 191.54/49.32 191.54/49.32 b(a(a(x1))) -> a(a(a(b(x1)))) 191.54/49.32 a(b(a(b(x1)))) -> b(b(a(x1))) 191.54/49.32 191.54/49.32 Q is empty. 191.54/49.32 We have to consider all minimal (P,Q,R)-chains. 191.54/49.32 ---------------------------------------- 191.54/49.32 191.54/49.32 (5) MRRProof (EQUIVALENT) 191.54/49.32 By using the rule removal processor [LPAR04] with the following ordering, at least one Dependency Pair or term rewrite system rule of this QDP problem can be strictly oriented. 191.54/49.32 191.54/49.32 Strictly oriented dependency pairs: 191.54/49.32 191.54/49.32 A(b(a(b(x1)))) -> B(a(x1)) 191.54/49.32 A(b(a(b(x1)))) -> A(x1) 191.54/49.32 191.54/49.32 191.54/49.32 Used ordering: Polynomial interpretation [POLO]: 191.54/49.32 191.54/49.32 POL(A(x_1)) = x_1 191.54/49.32 POL(B(x_1)) = 1 + x_1 191.54/49.32 POL(a(x_1)) = x_1 191.54/49.32 POL(b(x_1)) = 1 + x_1 191.54/49.32 191.54/49.32 191.54/49.32 ---------------------------------------- 191.54/49.32 191.54/49.32 (6) 191.54/49.32 Obligation: 191.54/49.32 Q DP problem: 191.54/49.32 The TRS P consists of the following rules: 191.54/49.32 191.54/49.32 B(a(a(x1))) -> A(a(a(b(x1)))) 191.54/49.32 B(a(a(x1))) -> A(a(b(x1))) 191.54/49.32 B(a(a(x1))) -> A(b(x1)) 191.54/49.32 B(a(a(x1))) -> B(x1) 191.54/49.32 A(b(a(b(x1)))) -> B(b(a(x1))) 191.54/49.32 191.54/49.32 The TRS R consists of the following rules: 191.54/49.32 191.54/49.32 b(a(a(x1))) -> a(a(a(b(x1)))) 191.54/49.32 a(b(a(b(x1)))) -> b(b(a(x1))) 191.54/49.32 191.54/49.32 Q is empty. 191.54/49.32 We have to consider all minimal (P,Q,R)-chains. 191.54/49.32 ---------------------------------------- 191.54/49.32 191.54/49.32 (7) QDPOrderProof (EQUIVALENT) 191.54/49.32 We use the reduction pair processor [LPAR04,JAR06]. 191.54/49.32 191.54/49.32 191.54/49.32 The following pairs can be oriented strictly and are deleted. 191.54/49.32 191.54/49.32 B(a(a(x1))) -> A(a(b(x1))) 191.54/49.32 B(a(a(x1))) -> A(b(x1)) 191.54/49.32 B(a(a(x1))) -> B(x1) 191.54/49.32 A(b(a(b(x1)))) -> B(b(a(x1))) 191.54/49.32 The remaining pairs can at least be oriented weakly. 191.54/49.32 Used ordering: Polynomial interpretation [POLO,RATPOLO]: 191.54/49.32 191.54/49.32 POL(A(x_1)) = [1/2] + [1/2]x_1 191.54/49.32 POL(B(x_1)) = [1/2] + [3/4]x_1 191.54/49.32 POL(a(x_1)) = [1/4] + x_1 191.54/49.33 POL(b(x_1)) = [1/4] + [3/2]x_1 191.54/49.33 The value of delta used in the strict ordering is 1/32. 191.54/49.33 The following usable rules [FROCOS05] with respect to the argument filtering of the ordering [JAR06] were oriented: 191.54/49.33 191.54/49.33 a(b(a(b(x1)))) -> b(b(a(x1))) 191.54/49.33 b(a(a(x1))) -> a(a(a(b(x1)))) 191.54/49.33 191.54/49.33 191.54/49.33 ---------------------------------------- 191.54/49.33 191.54/49.33 (8) 191.54/49.33 Obligation: 191.54/49.33 Q DP problem: 191.54/49.33 The TRS P consists of the following rules: 191.54/49.33 191.54/49.33 B(a(a(x1))) -> A(a(a(b(x1)))) 191.54/49.33 191.54/49.33 The TRS R consists of the following rules: 191.54/49.33 191.54/49.33 b(a(a(x1))) -> a(a(a(b(x1)))) 191.54/49.33 a(b(a(b(x1)))) -> b(b(a(x1))) 191.54/49.33 191.54/49.33 Q is empty. 191.54/49.33 We have to consider all minimal (P,Q,R)-chains. 191.54/49.33 ---------------------------------------- 191.54/49.33 191.54/49.33 (9) DependencyGraphProof (EQUIVALENT) 191.54/49.33 The approximation of the Dependency Graph [LPAR04,FROCOS05,EDGSTAR] contains 0 SCCs with 1 less node. 191.54/49.33 ---------------------------------------- 191.54/49.33 191.54/49.33 (10) 191.54/49.33 TRUE 191.54/49.41 EOF