30.08/8.56 YES 30.25/8.61 proof of /export/starexec/sandbox2/benchmark/theBenchmark.xml 30.25/8.61 # AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty 30.25/8.61 30.25/8.61 30.25/8.61 Termination w.r.t. Q of the given QTRS could be proven: 30.25/8.61 30.25/8.61 (0) QTRS 30.25/8.61 (1) DependencyPairsProof [EQUIVALENT, 15 ms] 30.25/8.61 (2) QDP 30.25/8.61 (3) DependencyGraphProof [EQUIVALENT, 5 ms] 30.25/8.61 (4) AND 30.25/8.61 (5) QDP 30.25/8.61 (6) QDPSizeChangeProof [EQUIVALENT, 0 ms] 30.25/8.61 (7) YES 30.25/8.61 (8) QDP 30.25/8.61 (9) QDPOrderProof [EQUIVALENT, 447 ms] 30.25/8.61 (10) QDP 30.25/8.61 (11) PisEmptyProof [EQUIVALENT, 0 ms] 30.25/8.61 (12) YES 30.25/8.61 30.25/8.61 30.25/8.61 ---------------------------------------- 30.25/8.61 30.25/8.61 (0) 30.25/8.61 Obligation: 30.25/8.61 Q restricted rewrite system: 30.25/8.61 The TRS R consists of the following rules: 30.25/8.61 30.25/8.61 b(b(x1)) -> b(a(b(a(a(b(x1)))))) 30.25/8.61 b(b(a(b(x1)))) -> b(a(b(b(x1)))) 30.25/8.61 b(a(a(a(b(a(a(b(x1)))))))) -> b(a(a(a(b(b(x1)))))) 30.25/8.61 b(b(a(a(b(x1))))) -> b(a(a(b(b(x1))))) 30.25/8.61 30.25/8.61 Q is empty. 30.25/8.61 30.25/8.61 ---------------------------------------- 30.25/8.61 30.25/8.61 (1) DependencyPairsProof (EQUIVALENT) 30.25/8.61 Using Dependency Pairs [AG00,LPAR04] we result in the following initial DP problem. 30.25/8.61 ---------------------------------------- 30.25/8.61 30.25/8.61 (2) 30.25/8.61 Obligation: 30.25/8.61 Q DP problem: 30.25/8.61 The TRS P consists of the following rules: 30.25/8.61 30.25/8.61 B(b(x1)) -> B(a(b(a(a(b(x1)))))) 30.25/8.61 B(b(x1)) -> B(a(a(b(x1)))) 30.25/8.61 B(b(a(b(x1)))) -> B(a(b(b(x1)))) 30.25/8.61 B(b(a(b(x1)))) -> B(b(x1)) 30.25/8.61 B(a(a(a(b(a(a(b(x1)))))))) -> B(a(a(a(b(b(x1)))))) 30.25/8.61 B(a(a(a(b(a(a(b(x1)))))))) -> B(b(x1)) 30.25/8.61 B(b(a(a(b(x1))))) -> B(a(a(b(b(x1))))) 30.25/8.61 B(b(a(a(b(x1))))) -> B(b(x1)) 30.25/8.61 30.25/8.61 The TRS R consists of the following rules: 30.25/8.61 30.25/8.61 b(b(x1)) -> b(a(b(a(a(b(x1)))))) 30.25/8.61 b(b(a(b(x1)))) -> b(a(b(b(x1)))) 30.25/8.61 b(a(a(a(b(a(a(b(x1)))))))) -> b(a(a(a(b(b(x1)))))) 30.25/8.61 b(b(a(a(b(x1))))) -> b(a(a(b(b(x1))))) 30.25/8.61 30.25/8.61 Q is empty. 30.25/8.61 We have to consider all minimal (P,Q,R)-chains. 30.25/8.61 ---------------------------------------- 30.25/8.61 30.25/8.61 (3) DependencyGraphProof (EQUIVALENT) 30.25/8.61 The approximation of the Dependency Graph [LPAR04,FROCOS05,EDGSTAR] contains 2 SCCs with 5 less nodes. 30.25/8.61 ---------------------------------------- 30.25/8.61 30.25/8.61 (4) 30.25/8.61 Complex Obligation (AND) 30.25/8.61 30.25/8.61 ---------------------------------------- 30.25/8.61 30.25/8.61 (5) 30.25/8.61 Obligation: 30.25/8.61 Q DP problem: 30.25/8.61 The TRS P consists of the following rules: 30.25/8.61 30.25/8.61 B(b(a(a(b(x1))))) -> B(b(x1)) 30.25/8.61 B(b(a(b(x1)))) -> B(b(x1)) 30.25/8.61 30.25/8.61 The TRS R consists of the following rules: 30.25/8.61 30.25/8.61 b(b(x1)) -> b(a(b(a(a(b(x1)))))) 30.25/8.61 b(b(a(b(x1)))) -> b(a(b(b(x1)))) 30.25/8.61 b(a(a(a(b(a(a(b(x1)))))))) -> b(a(a(a(b(b(x1)))))) 30.25/8.61 b(b(a(a(b(x1))))) -> b(a(a(b(b(x1))))) 30.25/8.61 30.25/8.61 Q is empty. 30.25/8.61 We have to consider all minimal (P,Q,R)-chains. 30.25/8.61 ---------------------------------------- 30.25/8.61 30.25/8.61 (6) QDPSizeChangeProof (EQUIVALENT) 30.25/8.61 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. 30.25/8.61 30.25/8.61 From the DPs we obtained the following set of size-change graphs: 30.25/8.61 *B(b(a(a(b(x1))))) -> B(b(x1)) 30.25/8.61 The graph contains the following edges 1 > 1 30.25/8.61 30.25/8.61 30.25/8.61 *B(b(a(b(x1)))) -> B(b(x1)) 30.25/8.61 The graph contains the following edges 1 > 1 30.25/8.61 30.25/8.61 30.25/8.61 ---------------------------------------- 30.25/8.61 30.25/8.61 (7) 30.25/8.61 YES 30.25/8.61 30.25/8.61 ---------------------------------------- 30.25/8.61 30.25/8.61 (8) 30.25/8.61 Obligation: 30.25/8.61 Q DP problem: 30.25/8.61 The TRS P consists of the following rules: 30.25/8.61 30.25/8.61 B(a(a(a(b(a(a(b(x1)))))))) -> B(a(a(a(b(b(x1)))))) 30.25/8.61 30.25/8.61 The TRS R consists of the following rules: 30.25/8.61 30.25/8.61 b(b(x1)) -> b(a(b(a(a(b(x1)))))) 30.25/8.61 b(b(a(b(x1)))) -> b(a(b(b(x1)))) 30.25/8.61 b(a(a(a(b(a(a(b(x1)))))))) -> b(a(a(a(b(b(x1)))))) 30.25/8.61 b(b(a(a(b(x1))))) -> b(a(a(b(b(x1))))) 30.25/8.61 30.25/8.61 Q is empty. 30.25/8.61 We have to consider all minimal (P,Q,R)-chains. 30.25/8.61 ---------------------------------------- 30.25/8.61 30.25/8.61 (9) QDPOrderProof (EQUIVALENT) 30.25/8.61 We use the reduction pair processor [LPAR04,JAR06]. 30.25/8.61 30.25/8.61 30.25/8.61 The following pairs can be oriented strictly and are deleted. 30.25/8.61 30.25/8.61 B(a(a(a(b(a(a(b(x1)))))))) -> B(a(a(a(b(b(x1)))))) 30.25/8.61 The remaining pairs can at least be oriented weakly. 30.25/8.61 Used ordering: Matrix interpretation [MATRO] with arctic natural numbers [ARCTIC]: 30.25/8.61 30.25/8.61 <<< 30.25/8.61 POL(B(x_1)) = [[1A]] + [[-I, 0A, 0A]] * x_1 30.25/8.61 >>> 30.25/8.61 30.25/8.61 <<< 30.25/8.61 POL(a(x_1)) = [[0A], [0A], [0A]] + [[-I, -I, -I], [-I, 0A, 0A], [0A, -I, -I]] * x_1 30.25/8.61 >>> 30.25/8.61 30.25/8.61 <<< 30.25/8.61 POL(b(x_1)) = [[1A], [0A], [0A]] + [[0A, 1A, -I], [-I, -I, -I], [-I, -I, -I]] * x_1 30.25/8.61 >>> 30.25/8.61 30.25/8.61 30.25/8.61 The following usable rules [FROCOS05] with respect to the argument filtering of the ordering [JAR06] were oriented: 30.25/8.61 30.25/8.61 b(b(x1)) -> b(a(b(a(a(b(x1)))))) 30.25/8.61 b(b(a(b(x1)))) -> b(a(b(b(x1)))) 30.25/8.61 b(a(a(a(b(a(a(b(x1)))))))) -> b(a(a(a(b(b(x1)))))) 30.25/8.61 b(b(a(a(b(x1))))) -> b(a(a(b(b(x1))))) 30.25/8.61 30.25/8.61 30.25/8.61 ---------------------------------------- 30.25/8.61 30.25/8.61 (10) 30.25/8.61 Obligation: 30.25/8.61 Q DP problem: 30.25/8.61 P is empty. 30.25/8.61 The TRS R consists of the following rules: 30.25/8.61 30.25/8.61 b(b(x1)) -> b(a(b(a(a(b(x1)))))) 30.25/8.61 b(b(a(b(x1)))) -> b(a(b(b(x1)))) 30.25/8.61 b(a(a(a(b(a(a(b(x1)))))))) -> b(a(a(a(b(b(x1)))))) 30.25/8.61 b(b(a(a(b(x1))))) -> b(a(a(b(b(x1))))) 30.25/8.61 30.25/8.61 Q is empty. 30.25/8.61 We have to consider all minimal (P,Q,R)-chains. 30.25/8.61 ---------------------------------------- 30.25/8.61 30.25/8.61 (11) PisEmptyProof (EQUIVALENT) 30.25/8.61 The TRS P is empty. Hence, there is no (P,Q,R) chain. 30.25/8.61 ---------------------------------------- 30.25/8.61 30.25/8.61 (12) 30.25/8.61 YES 30.37/8.66 EOF