35.05/9.98 YES 35.68/10.04 proof of /export/starexec/sandbox2/benchmark/theBenchmark.xml 35.68/10.04 # AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty 35.68/10.04 35.68/10.04 35.68/10.04 Termination w.r.t. Q of the given QTRS could be proven: 35.68/10.04 35.68/10.04 (0) QTRS 35.68/10.04 (1) QTRS Reverse [EQUIVALENT, 0 ms] 35.68/10.04 (2) QTRS 35.68/10.04 (3) DependencyPairsProof [EQUIVALENT, 12 ms] 35.68/10.04 (4) QDP 35.68/10.04 (5) DependencyGraphProof [EQUIVALENT, 5 ms] 35.68/10.04 (6) QDP 35.68/10.04 (7) QDPOrderProof [EQUIVALENT, 87 ms] 35.68/10.04 (8) QDP 35.68/10.04 (9) QDPOrderProof [EQUIVALENT, 28 ms] 35.68/10.04 (10) QDP 35.68/10.04 (11) PisEmptyProof [EQUIVALENT, 0 ms] 35.68/10.04 (12) YES 35.68/10.04 35.68/10.04 35.68/10.04 ---------------------------------------- 35.68/10.04 35.68/10.04 (0) 35.68/10.04 Obligation: 35.68/10.04 Q restricted rewrite system: 35.68/10.04 The TRS R consists of the following rules: 35.68/10.04 35.68/10.04 a(x1) -> x1 35.68/10.04 a(a(b(x1))) -> b(b(a(a(x1)))) 35.68/10.04 b(b(x1)) -> c(a(x1)) 35.68/10.04 35.68/10.04 Q is empty. 35.68/10.04 35.68/10.04 ---------------------------------------- 35.68/10.04 35.68/10.04 (1) QTRS Reverse (EQUIVALENT) 35.68/10.04 We applied the QTRS Reverse Processor [REVERSE]. 35.68/10.04 ---------------------------------------- 35.68/10.04 35.68/10.04 (2) 35.68/10.04 Obligation: 35.68/10.04 Q restricted rewrite system: 35.68/10.04 The TRS R consists of the following rules: 35.68/10.04 35.68/10.04 a(x1) -> x1 35.68/10.04 b(a(a(x1))) -> a(a(b(b(x1)))) 35.68/10.04 b(b(x1)) -> a(c(x1)) 35.68/10.04 35.68/10.04 Q is empty. 35.68/10.04 35.68/10.04 ---------------------------------------- 35.68/10.04 35.68/10.04 (3) DependencyPairsProof (EQUIVALENT) 35.68/10.04 Using Dependency Pairs [AG00,LPAR04] we result in the following initial DP problem. 35.68/10.04 ---------------------------------------- 35.68/10.04 35.68/10.04 (4) 35.68/10.04 Obligation: 35.68/10.04 Q DP problem: 35.68/10.04 The TRS P consists of the following rules: 35.68/10.04 35.68/10.04 B(a(a(x1))) -> A(a(b(b(x1)))) 35.68/10.04 B(a(a(x1))) -> A(b(b(x1))) 35.68/10.04 B(a(a(x1))) -> B(b(x1)) 35.68/10.04 B(a(a(x1))) -> B(x1) 35.68/10.04 B(b(x1)) -> A(c(x1)) 35.68/10.04 35.68/10.04 The TRS R consists of the following rules: 35.68/10.04 35.68/10.04 a(x1) -> x1 35.68/10.04 b(a(a(x1))) -> a(a(b(b(x1)))) 35.68/10.04 b(b(x1)) -> a(c(x1)) 35.68/10.04 35.68/10.04 Q is empty. 35.68/10.04 We have to consider all minimal (P,Q,R)-chains. 35.68/10.04 ---------------------------------------- 35.68/10.04 35.68/10.04 (5) DependencyGraphProof (EQUIVALENT) 35.68/10.04 The approximation of the Dependency Graph [LPAR04,FROCOS05,EDGSTAR] contains 1 SCC with 3 less nodes. 35.68/10.04 ---------------------------------------- 35.68/10.04 35.68/10.04 (6) 35.68/10.04 Obligation: 35.68/10.04 Q DP problem: 35.68/10.04 The TRS P consists of the following rules: 35.68/10.04 35.68/10.04 B(a(a(x1))) -> B(x1) 35.68/10.04 B(a(a(x1))) -> B(b(x1)) 35.68/10.04 35.68/10.04 The TRS R consists of the following rules: 35.68/10.04 35.68/10.04 a(x1) -> x1 35.68/10.04 b(a(a(x1))) -> a(a(b(b(x1)))) 35.68/10.04 b(b(x1)) -> a(c(x1)) 35.68/10.04 35.68/10.04 Q is empty. 35.68/10.04 We have to consider all minimal (P,Q,R)-chains. 35.68/10.04 ---------------------------------------- 35.68/10.04 35.68/10.04 (7) QDPOrderProof (EQUIVALENT) 35.68/10.04 We use the reduction pair processor [LPAR04,JAR06]. 35.68/10.04 35.68/10.04 35.68/10.04 The following pairs can be oriented strictly and are deleted. 35.68/10.04 35.68/10.04 B(a(a(x1))) -> B(x1) 35.68/10.04 The remaining pairs can at least be oriented weakly. 35.68/10.04 Used ordering: Matrix interpretation [MATRO] with arctic natural numbers [ARCTIC]: 35.68/10.04 35.68/10.04 <<< 35.68/10.04 POL(B(x_1)) = [[0A]] + [[-I, -I, 0A]] * x_1 35.68/10.04 >>> 35.68/10.04 35.68/10.04 <<< 35.68/10.04 POL(a(x_1)) = [[0A], [0A], [1A]] + [[0A, 0A, 0A], [-I, 0A, 0A], [-I, 1A, 0A]] * x_1 35.68/10.04 >>> 35.68/10.04 35.68/10.04 <<< 35.68/10.04 POL(b(x_1)) = [[0A], [0A], [1A]] + [[0A, -I, -I], [-I, 0A, -I], [-I, 1A, 0A]] * x_1 35.68/10.04 >>> 35.68/10.04 35.68/10.04 <<< 35.68/10.04 POL(c(x_1)) = [[0A], [0A], [0A]] + [[0A, -I, -I], [-I, -I, -I], [-I, -I, -I]] * x_1 35.68/10.04 >>> 35.68/10.04 35.68/10.04 35.68/10.04 The following usable rules [FROCOS05] with respect to the argument filtering of the ordering [JAR06] were oriented: 35.68/10.04 35.68/10.04 b(a(a(x1))) -> a(a(b(b(x1)))) 35.68/10.04 b(b(x1)) -> a(c(x1)) 35.68/10.04 a(x1) -> x1 35.68/10.04 35.68/10.04 35.68/10.04 ---------------------------------------- 35.68/10.04 35.68/10.04 (8) 35.68/10.04 Obligation: 35.68/10.04 Q DP problem: 35.68/10.04 The TRS P consists of the following rules: 35.68/10.04 35.68/10.04 B(a(a(x1))) -> B(b(x1)) 35.68/10.04 35.68/10.04 The TRS R consists of the following rules: 35.68/10.04 35.68/10.04 a(x1) -> x1 35.68/10.04 b(a(a(x1))) -> a(a(b(b(x1)))) 35.68/10.04 b(b(x1)) -> a(c(x1)) 35.68/10.04 35.68/10.04 Q is empty. 35.68/10.04 We have to consider all minimal (P,Q,R)-chains. 35.68/10.04 ---------------------------------------- 35.68/10.04 35.68/10.04 (9) QDPOrderProof (EQUIVALENT) 35.68/10.04 We use the reduction pair processor [LPAR04,JAR06]. 35.68/10.04 35.68/10.04 35.68/10.04 The following pairs can be oriented strictly and are deleted. 35.68/10.04 35.68/10.04 B(a(a(x1))) -> B(b(x1)) 35.68/10.04 The remaining pairs can at least be oriented weakly. 35.68/10.04 Used ordering: Matrix interpretation [MATRO] with arctic natural numbers [ARCTIC]: 35.68/10.04 35.68/10.04 <<< 35.68/10.04 POL(B(x_1)) = [[-I]] + [[0A, 0A, -I]] * x_1 35.68/10.04 >>> 35.68/10.04 35.68/10.04 <<< 35.68/10.04 POL(a(x_1)) = [[-I], [0A], [1A]] + [[0A, -I, -I], [-I, 0A, 0A], [0A, 1A, 0A]] * x_1 35.68/10.04 >>> 35.68/10.04 35.68/10.04 <<< 35.68/10.04 POL(b(x_1)) = [[0A], [0A], [0A]] + [[-I, 0A, -I], [-I, 0A, -I], [0A, 1A, 0A]] * x_1 35.68/10.04 >>> 35.68/10.04 35.68/10.04 <<< 35.68/10.04 POL(c(x_1)) = [[0A], [0A], [-I]] + [[-I, 0A, -I], [-I, -I, -I], [-I, 0A, -I]] * x_1 35.68/10.04 >>> 35.68/10.04 35.68/10.04 35.68/10.04 The following usable rules [FROCOS05] with respect to the argument filtering of the ordering [JAR06] were oriented: 35.68/10.04 35.68/10.04 b(a(a(x1))) -> a(a(b(b(x1)))) 35.68/10.04 b(b(x1)) -> a(c(x1)) 35.68/10.04 a(x1) -> x1 35.68/10.04 35.68/10.04 35.68/10.04 ---------------------------------------- 35.68/10.04 35.68/10.04 (10) 35.68/10.04 Obligation: 35.68/10.04 Q DP problem: 35.68/10.04 P is empty. 35.68/10.04 The TRS R consists of the following rules: 35.68/10.04 35.68/10.04 a(x1) -> x1 35.68/10.04 b(a(a(x1))) -> a(a(b(b(x1)))) 35.68/10.04 b(b(x1)) -> a(c(x1)) 35.68/10.04 35.68/10.04 Q is empty. 35.68/10.04 We have to consider all minimal (P,Q,R)-chains. 35.68/10.04 ---------------------------------------- 35.68/10.04 35.68/10.04 (11) PisEmptyProof (EQUIVALENT) 35.68/10.04 The TRS P is empty. Hence, there is no (P,Q,R) chain. 35.68/10.04 ---------------------------------------- 35.68/10.04 35.68/10.04 (12) 35.68/10.04 YES 36.14/10.37 EOF