23.64/6.87 YES 23.64/6.89 proof of /export/starexec/sandbox/benchmark/theBenchmark.xml 23.64/6.89 # AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty 23.64/6.89 23.64/6.89 23.64/6.89 Termination w.r.t. Q of the given QTRS could be proven: 23.64/6.89 23.64/6.89 (0) QTRS 23.64/6.89 (1) QTRS Reverse [EQUIVALENT, 0 ms] 23.64/6.89 (2) QTRS 23.64/6.89 (3) DependencyPairsProof [EQUIVALENT, 0 ms] 23.64/6.89 (4) QDP 23.64/6.89 (5) DependencyGraphProof [EQUIVALENT, 0 ms] 23.64/6.89 (6) QDP 23.64/6.89 (7) QDPOrderProof [EQUIVALENT, 39 ms] 23.64/6.89 (8) QDP 23.64/6.89 (9) QDPOrderProof [EQUIVALENT, 0 ms] 23.64/6.89 (10) QDP 23.64/6.89 (11) PisEmptyProof [EQUIVALENT, 0 ms] 23.64/6.89 (12) YES 23.64/6.89 23.64/6.89 23.64/6.89 ---------------------------------------- 23.64/6.89 23.64/6.89 (0) 23.64/6.89 Obligation: 23.64/6.89 Q restricted rewrite system: 23.64/6.89 The TRS R consists of the following rules: 23.64/6.89 23.64/6.89 a(x1) -> x1 23.64/6.89 a(a(b(x1))) -> b(b(c(a(a(a(x1)))))) 23.64/6.89 a(c(x1)) -> x1 23.64/6.89 23.64/6.89 Q is empty. 23.64/6.89 23.64/6.89 ---------------------------------------- 23.64/6.89 23.64/6.89 (1) QTRS Reverse (EQUIVALENT) 23.64/6.89 We applied the QTRS Reverse Processor [REVERSE]. 23.64/6.89 ---------------------------------------- 23.64/6.89 23.64/6.89 (2) 23.64/6.89 Obligation: 23.64/6.89 Q restricted rewrite system: 23.64/6.89 The TRS R consists of the following rules: 23.64/6.89 23.64/6.89 a(x1) -> x1 23.64/6.89 b(a(a(x1))) -> a(a(a(c(b(b(x1)))))) 23.64/6.90 c(a(x1)) -> x1 23.64/6.90 23.64/6.90 Q is empty. 23.64/6.90 23.64/6.90 ---------------------------------------- 23.64/6.90 23.64/6.90 (3) DependencyPairsProof (EQUIVALENT) 23.64/6.90 Using Dependency Pairs [AG00,LPAR04] we result in the following initial DP problem. 23.64/6.90 ---------------------------------------- 23.64/6.90 23.64/6.90 (4) 23.64/6.90 Obligation: 23.64/6.90 Q DP problem: 23.64/6.90 The TRS P consists of the following rules: 23.64/6.90 23.64/6.90 B(a(a(x1))) -> A(a(a(c(b(b(x1)))))) 23.64/6.90 B(a(a(x1))) -> A(a(c(b(b(x1))))) 23.64/6.90 B(a(a(x1))) -> A(c(b(b(x1)))) 23.64/6.90 B(a(a(x1))) -> C(b(b(x1))) 23.64/6.90 B(a(a(x1))) -> B(b(x1)) 23.64/6.90 B(a(a(x1))) -> B(x1) 23.64/6.90 23.64/6.90 The TRS R consists of the following rules: 23.64/6.90 23.64/6.90 a(x1) -> x1 23.64/6.90 b(a(a(x1))) -> a(a(a(c(b(b(x1)))))) 23.64/6.90 c(a(x1)) -> x1 23.64/6.90 23.64/6.90 Q is empty. 23.64/6.90 We have to consider all minimal (P,Q,R)-chains. 23.64/6.90 ---------------------------------------- 23.64/6.90 23.64/6.90 (5) DependencyGraphProof (EQUIVALENT) 23.64/6.90 The approximation of the Dependency Graph [LPAR04,FROCOS05,EDGSTAR] contains 1 SCC with 4 less nodes. 23.64/6.90 ---------------------------------------- 23.64/6.90 23.64/6.90 (6) 23.64/6.90 Obligation: 23.64/6.90 Q DP problem: 23.64/6.90 The TRS P consists of the following rules: 23.64/6.90 23.64/6.90 B(a(a(x1))) -> B(x1) 23.64/6.90 B(a(a(x1))) -> B(b(x1)) 23.64/6.90 23.64/6.90 The TRS R consists of the following rules: 23.64/6.90 23.64/6.90 a(x1) -> x1 23.64/6.90 b(a(a(x1))) -> a(a(a(c(b(b(x1)))))) 23.64/6.90 c(a(x1)) -> x1 23.64/6.90 23.64/6.90 Q is empty. 23.64/6.90 We have to consider all minimal (P,Q,R)-chains. 23.64/6.90 ---------------------------------------- 23.64/6.90 23.64/6.90 (7) QDPOrderProof (EQUIVALENT) 23.64/6.90 We use the reduction pair processor [LPAR04,JAR06]. 23.64/6.90 23.64/6.90 23.64/6.90 The following pairs can be oriented strictly and are deleted. 23.64/6.90 23.64/6.90 B(a(a(x1))) -> B(x1) 23.64/6.90 The remaining pairs can at least be oriented weakly. 23.64/6.90 Used ordering: Matrix interpretation [MATRO] with arctic natural numbers [ARCTIC]: 23.64/6.90 23.64/6.90 <<< 23.64/6.90 POL(B(x_1)) = [[0A]] + [[0A, 0A, -I]] * x_1 23.64/6.90 >>> 23.64/6.90 23.64/6.90 <<< 23.64/6.90 POL(a(x_1)) = [[1A], [0A], [-I]] + [[0A, 1A, 1A], [-I, 0A, 0A], [0A, -I, 0A]] * x_1 23.64/6.90 >>> 23.64/6.90 23.64/6.90 <<< 23.64/6.90 POL(b(x_1)) = [[0A], [-I], [-I]] + [[0A, 0A, 1A], [-I, 0A, 0A], [-I, 0A, 0A]] * x_1 23.64/6.90 >>> 23.64/6.90 23.64/6.90 <<< 23.64/6.90 POL(c(x_1)) = [[0A], [-I], [-I]] + [[-I, 0A, 0A], [-I, 0A, 0A], [-I, 0A, 0A]] * x_1 23.64/6.90 >>> 23.64/6.90 23.64/6.90 23.64/6.90 The following usable rules [FROCOS05] with respect to the argument filtering of the ordering [JAR06] were oriented: 23.64/6.90 23.64/6.90 b(a(a(x1))) -> a(a(a(c(b(b(x1)))))) 23.64/6.90 c(a(x1)) -> x1 23.64/6.90 a(x1) -> x1 23.64/6.90 23.64/6.90 23.64/6.90 ---------------------------------------- 23.64/6.90 23.64/6.90 (8) 23.64/6.90 Obligation: 23.64/6.90 Q DP problem: 23.64/6.90 The TRS P consists of the following rules: 23.64/6.90 23.64/6.90 B(a(a(x1))) -> B(b(x1)) 23.64/6.90 23.64/6.90 The TRS R consists of the following rules: 23.64/6.90 23.64/6.90 a(x1) -> x1 23.64/6.90 b(a(a(x1))) -> a(a(a(c(b(b(x1)))))) 23.64/6.90 c(a(x1)) -> x1 23.64/6.90 23.64/6.90 Q is empty. 23.64/6.90 We have to consider all minimal (P,Q,R)-chains. 23.64/6.90 ---------------------------------------- 23.64/6.90 23.64/6.90 (9) QDPOrderProof (EQUIVALENT) 23.64/6.90 We use the reduction pair processor [LPAR04,JAR06]. 23.64/6.90 23.64/6.90 23.64/6.90 The following pairs can be oriented strictly and are deleted. 23.64/6.90 23.64/6.90 B(a(a(x1))) -> B(b(x1)) 23.64/6.90 The remaining pairs can at least be oriented weakly. 23.64/6.90 Used ordering: Matrix interpretation [MATRO] with arctic natural numbers [ARCTIC]: 23.64/6.90 23.64/6.90 <<< 23.64/6.90 POL(B(x_1)) = [[-I]] + [[0A, 0A, -I]] * x_1 23.64/6.90 >>> 23.64/6.90 23.64/6.90 <<< 23.64/6.90 POL(a(x_1)) = [[1A], [-I], [0A]] + [[0A, 0A, 0A], [0A, 0A, 0A], [0A, 1A, 0A]] * x_1 23.64/6.90 >>> 23.64/6.90 23.64/6.90 <<< 23.64/6.90 POL(b(x_1)) = [[0A], [0A], [0A]] + [[-I, 0A, -I], [-I, 0A, -I], [1A, 0A, 0A]] * x_1 23.64/6.90 >>> 23.64/6.90 23.64/6.90 <<< 23.64/6.90 POL(c(x_1)) = [[-I], [-I], [-I]] + [[0A, 0A, -I], [0A, 0A, -I], [0A, 0A, -I]] * x_1 23.64/6.90 >>> 23.64/6.90 23.64/6.90 23.64/6.90 The following usable rules [FROCOS05] with respect to the argument filtering of the ordering [JAR06] were oriented: 23.64/6.90 23.64/6.90 b(a(a(x1))) -> a(a(a(c(b(b(x1)))))) 23.64/6.90 c(a(x1)) -> x1 23.64/6.90 a(x1) -> x1 23.64/6.90 23.64/6.90 23.64/6.90 ---------------------------------------- 23.64/6.90 23.64/6.90 (10) 23.64/6.90 Obligation: 23.64/6.90 Q DP problem: 23.64/6.90 P is empty. 23.64/6.90 The TRS R consists of the following rules: 23.64/6.90 23.64/6.90 a(x1) -> x1 23.64/6.90 b(a(a(x1))) -> a(a(a(c(b(b(x1)))))) 23.64/6.90 c(a(x1)) -> x1 23.64/6.90 23.64/6.90 Q is empty. 23.64/6.90 We have to consider all minimal (P,Q,R)-chains. 23.64/6.90 ---------------------------------------- 23.64/6.90 23.64/6.90 (11) PisEmptyProof (EQUIVALENT) 23.64/6.90 The TRS P is empty. Hence, there is no (P,Q,R) chain. 23.64/6.90 ---------------------------------------- 23.64/6.90 23.64/6.90 (12) 23.64/6.90 YES 23.92/6.98 EOF