58.33/15.82 YES 58.33/15.86 proof of /export/starexec/sandbox2/benchmark/theBenchmark.xml 58.33/15.86 # AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty 58.33/15.86 58.33/15.86 58.33/15.86 Termination w.r.t. Q of the given QTRS could be proven: 58.33/15.86 58.33/15.86 (0) QTRS 58.33/15.86 (1) QTRS Reverse [EQUIVALENT, 0 ms] 58.33/15.86 (2) QTRS 58.33/15.86 (3) DependencyPairsProof [EQUIVALENT, 1 ms] 58.33/15.86 (4) QDP 58.33/15.86 (5) QDPOrderProof [EQUIVALENT, 251 ms] 58.33/15.86 (6) QDP 58.33/15.86 (7) QDPOrderProof [EQUIVALENT, 11 ms] 58.33/15.86 (8) QDP 58.33/15.86 (9) QDPOrderProof [EQUIVALENT, 24 ms] 58.33/15.86 (10) QDP 58.33/15.86 (11) QDPOrderProof [EQUIVALENT, 28 ms] 58.33/15.86 (12) QDP 58.33/15.86 (13) DependencyGraphProof [EQUIVALENT, 0 ms] 58.33/15.86 (14) TRUE 58.33/15.86 58.33/15.86 58.33/15.86 ---------------------------------------- 58.33/15.86 58.33/15.86 (0) 58.33/15.86 Obligation: 58.33/15.86 Q restricted rewrite system: 58.33/15.86 The TRS R consists of the following rules: 58.33/15.86 58.33/15.86 a(x1) -> x1 58.33/15.86 a(a(b(x1))) -> b(c(a(a(a(x1))))) 58.33/15.86 c(a(x1)) -> b(x1) 58.33/15.86 58.33/15.86 Q is empty. 58.33/15.86 58.33/15.86 ---------------------------------------- 58.33/15.86 58.33/15.86 (1) QTRS Reverse (EQUIVALENT) 58.33/15.86 We applied the QTRS Reverse Processor [REVERSE]. 58.33/15.86 ---------------------------------------- 58.33/15.86 58.33/15.86 (2) 58.33/15.86 Obligation: 58.33/15.86 Q restricted rewrite system: 58.33/15.86 The TRS R consists of the following rules: 58.33/15.86 58.33/15.86 a(x1) -> x1 58.33/15.86 b(a(a(x1))) -> a(a(a(c(b(x1))))) 58.33/15.86 a(c(x1)) -> b(x1) 58.33/15.86 58.33/15.86 Q is empty. 58.33/15.86 58.33/15.86 ---------------------------------------- 58.33/15.86 58.33/15.86 (3) DependencyPairsProof (EQUIVALENT) 58.33/15.86 Using Dependency Pairs [AG00,LPAR04] we result in the following initial DP problem. 58.33/15.86 ---------------------------------------- 58.33/15.86 58.33/15.86 (4) 58.33/15.86 Obligation: 58.33/15.86 Q DP problem: 58.33/15.86 The TRS P consists of the following rules: 58.33/15.86 58.33/15.86 B(a(a(x1))) -> A(a(a(c(b(x1))))) 58.33/15.86 B(a(a(x1))) -> A(a(c(b(x1)))) 58.33/15.86 B(a(a(x1))) -> A(c(b(x1))) 58.33/15.86 B(a(a(x1))) -> B(x1) 58.33/15.86 A(c(x1)) -> B(x1) 58.33/15.86 58.33/15.86 The TRS R consists of the following rules: 58.33/15.86 58.33/15.86 a(x1) -> x1 58.33/15.86 b(a(a(x1))) -> a(a(a(c(b(x1))))) 58.33/15.86 a(c(x1)) -> b(x1) 58.33/15.86 58.33/15.86 Q is empty. 58.33/15.86 We have to consider all minimal (P,Q,R)-chains. 58.33/15.86 ---------------------------------------- 58.33/15.86 58.33/15.86 (5) QDPOrderProof (EQUIVALENT) 58.33/15.86 We use the reduction pair processor [LPAR04,JAR06]. 58.33/15.86 58.33/15.86 58.33/15.86 The following pairs can be oriented strictly and are deleted. 58.33/15.86 58.33/15.86 B(a(a(x1))) -> B(x1) 58.33/15.86 The remaining pairs can at least be oriented weakly. 58.33/15.86 Used ordering: Matrix interpretation [MATRO] with arctic natural numbers [ARCTIC]: 58.33/15.86 58.33/15.86 <<< 58.33/15.86 POL(B(x_1)) = [[0A]] + [[-I, 0A, -I]] * x_1 58.33/15.86 >>> 58.33/15.86 58.33/15.86 <<< 58.33/15.86 POL(a(x_1)) = [[0A], [-I], [1A]] + [[0A, 0A, -I], [0A, 0A, 0A], [-I, 1A, 0A]] * x_1 58.33/15.86 >>> 58.33/15.86 58.33/15.86 <<< 58.33/15.86 POL(A(x_1)) = [[1A]] + [[0A, 0A, 0A]] * x_1 58.33/15.86 >>> 58.33/15.86 58.33/15.86 <<< 58.33/15.86 POL(c(x_1)) = [[0A], [-I], [0A]] + [[0A, 0A, -I], [-I, 0A, -I], [0A, 0A, -I]] * x_1 58.33/15.86 >>> 58.33/15.86 58.33/15.86 <<< 58.33/15.86 POL(b(x_1)) = [[0A], [-I], [0A]] + [[-I, 0A, -I], [-I, 0A, -I], [0A, 1A, -I]] * x_1 58.33/15.86 >>> 58.33/15.86 58.33/15.86 58.33/15.86 The following usable rules [FROCOS05] with respect to the argument filtering of the ordering [JAR06] were oriented: 58.33/15.86 58.33/15.86 a(c(x1)) -> b(x1) 58.33/15.86 b(a(a(x1))) -> a(a(a(c(b(x1))))) 58.33/15.86 a(x1) -> x1 58.33/15.86 58.33/15.86 58.33/15.86 ---------------------------------------- 58.33/15.86 58.33/15.86 (6) 58.33/15.86 Obligation: 58.33/15.86 Q DP problem: 58.33/15.86 The TRS P consists of the following rules: 58.33/15.86 58.33/15.86 B(a(a(x1))) -> A(a(a(c(b(x1))))) 58.33/15.86 B(a(a(x1))) -> A(a(c(b(x1)))) 58.33/15.86 B(a(a(x1))) -> A(c(b(x1))) 58.33/15.86 A(c(x1)) -> B(x1) 58.33/15.86 58.33/15.86 The TRS R consists of the following rules: 58.33/15.86 58.33/15.86 a(x1) -> x1 58.33/15.86 b(a(a(x1))) -> a(a(a(c(b(x1))))) 58.33/15.86 a(c(x1)) -> b(x1) 58.33/15.86 58.33/15.86 Q is empty. 58.33/15.86 We have to consider all minimal (P,Q,R)-chains. 58.33/15.86 ---------------------------------------- 58.33/15.86 58.33/15.86 (7) QDPOrderProof (EQUIVALENT) 58.33/15.86 We use the reduction pair processor [LPAR04,JAR06]. 58.33/15.86 58.33/15.86 58.33/15.86 The following pairs can be oriented strictly and are deleted. 58.33/15.86 58.33/15.86 B(a(a(x1))) -> A(c(b(x1))) 58.33/15.86 The remaining pairs can at least be oriented weakly. 58.33/15.86 Used ordering: Matrix interpretation [MATRO] with arctic natural numbers [ARCTIC]: 58.33/15.86 58.33/15.86 <<< 58.33/15.86 POL(B(x_1)) = [[-I]] + [[0A, -I, 0A]] * x_1 58.33/15.86 >>> 58.33/15.86 58.33/15.86 <<< 58.33/15.86 POL(a(x_1)) = [[-I], [-I], [-I]] + [[0A, 0A, 0A], [1A, 0A, -I], [0A, 0A, 0A]] * x_1 58.33/15.86 >>> 58.33/15.86 58.33/15.86 <<< 58.33/15.86 POL(A(x_1)) = [[-I]] + [[0A, 0A, 0A]] * x_1 58.33/15.86 >>> 58.33/15.86 58.33/15.86 <<< 58.33/15.86 POL(c(x_1)) = [[-I], [-I], [-I]] + [[0A, -I, 0A], [0A, -I, 0A], [0A, -I, 0A]] * x_1 58.33/15.86 >>> 58.33/15.86 58.33/15.86 <<< 58.33/15.86 POL(b(x_1)) = [[-I], [-I], [-I]] + [[0A, -I, -I], [-I, -I, 1A], [0A, -I, -I]] * x_1 58.33/15.86 >>> 58.33/15.86 58.33/15.86 58.33/15.86 The following usable rules [FROCOS05] with respect to the argument filtering of the ordering [JAR06] were oriented: 58.33/15.86 58.33/15.86 a(c(x1)) -> b(x1) 58.33/15.86 b(a(a(x1))) -> a(a(a(c(b(x1))))) 58.33/15.86 a(x1) -> x1 58.33/15.86 58.33/15.86 58.33/15.86 ---------------------------------------- 58.33/15.86 58.33/15.86 (8) 58.33/15.86 Obligation: 58.33/15.86 Q DP problem: 58.33/15.86 The TRS P consists of the following rules: 58.33/15.86 58.33/15.86 B(a(a(x1))) -> A(a(a(c(b(x1))))) 58.33/15.86 B(a(a(x1))) -> A(a(c(b(x1)))) 58.33/15.86 A(c(x1)) -> B(x1) 58.33/15.86 58.33/15.86 The TRS R consists of the following rules: 58.33/15.86 58.33/15.86 a(x1) -> x1 58.33/15.86 b(a(a(x1))) -> a(a(a(c(b(x1))))) 58.33/15.86 a(c(x1)) -> b(x1) 58.33/15.86 58.33/15.86 Q is empty. 58.33/15.86 We have to consider all minimal (P,Q,R)-chains. 58.33/15.86 ---------------------------------------- 58.33/15.86 58.33/15.86 (9) QDPOrderProof (EQUIVALENT) 58.33/15.86 We use the reduction pair processor [LPAR04,JAR06]. 58.33/15.86 58.33/15.86 58.33/15.86 The following pairs can be oriented strictly and are deleted. 58.33/15.86 58.33/15.86 B(a(a(x1))) -> A(a(c(b(x1)))) 58.33/15.86 The remaining pairs can at least be oriented weakly. 58.33/15.86 Used ordering: Matrix interpretation [MATRO] with arctic natural numbers [ARCTIC]: 58.33/15.86 58.33/15.86 <<< 58.33/15.86 POL(B(x_1)) = [[0A]] + [[0A, 0A, -I]] * x_1 58.33/15.86 >>> 58.33/15.86 58.33/15.86 <<< 58.33/15.86 POL(a(x_1)) = [[0A], [-I], [1A]] + [[0A, 0A, 0A], [0A, 0A, 0A], [0A, 1A, 0A]] * x_1 58.33/15.86 >>> 58.33/15.86 58.33/15.86 <<< 58.33/15.86 POL(A(x_1)) = [[0A]] + [[0A, 0A, -I]] * x_1 58.33/15.86 >>> 58.33/15.86 58.33/15.86 <<< 58.33/15.86 POL(c(x_1)) = [[0A], [0A], [0A]] + [[0A, 0A, -I], [0A, 0A, -I], [-I, 0A, -I]] * x_1 58.33/15.86 >>> 58.33/15.86 58.33/15.86 <<< 58.33/15.86 POL(b(x_1)) = [[0A], [-I], [0A]] + [[-I, 0A, -I], [-I, 0A, -I], [0A, 1A, -I]] * x_1 58.33/15.86 >>> 58.33/15.86 58.33/15.86 58.33/15.86 The following usable rules [FROCOS05] with respect to the argument filtering of the ordering [JAR06] were oriented: 58.33/15.86 58.33/15.86 a(c(x1)) -> b(x1) 58.33/15.86 b(a(a(x1))) -> a(a(a(c(b(x1))))) 58.33/15.86 a(x1) -> x1 58.33/15.86 58.33/15.86 58.33/15.86 ---------------------------------------- 58.33/15.86 58.33/15.86 (10) 58.33/15.86 Obligation: 58.33/15.86 Q DP problem: 58.33/15.86 The TRS P consists of the following rules: 58.33/15.86 58.33/15.86 B(a(a(x1))) -> A(a(a(c(b(x1))))) 58.33/15.86 A(c(x1)) -> B(x1) 58.33/15.86 58.33/15.86 The TRS R consists of the following rules: 58.33/15.86 58.33/15.86 a(x1) -> x1 58.33/15.86 b(a(a(x1))) -> a(a(a(c(b(x1))))) 58.33/15.86 a(c(x1)) -> b(x1) 58.33/15.86 58.33/15.86 Q is empty. 58.33/15.86 We have to consider all minimal (P,Q,R)-chains. 58.33/15.86 ---------------------------------------- 58.33/15.86 58.33/15.86 (11) QDPOrderProof (EQUIVALENT) 58.33/15.86 We use the reduction pair processor [LPAR04,JAR06]. 58.33/15.86 58.33/15.86 58.33/15.86 The following pairs can be oriented strictly and are deleted. 58.33/15.86 58.33/15.86 A(c(x1)) -> B(x1) 58.33/15.86 The remaining pairs can at least be oriented weakly. 58.33/15.86 Used ordering: Matrix interpretation [MATRO] with arctic natural numbers [ARCTIC]: 58.33/15.86 58.33/15.86 <<< 58.33/15.86 POL(B(x_1)) = [[-I]] + [[0A, -I, -I]] * x_1 58.33/15.86 >>> 58.33/15.86 58.33/15.86 <<< 58.33/15.86 POL(a(x_1)) = [[0A], [0A], [0A]] + [[0A, -I, 1A], [0A, 0A, 0A], [0A, -I, 0A]] * x_1 58.33/15.86 >>> 58.33/15.86 58.33/15.86 <<< 58.33/15.86 POL(A(x_1)) = [[-I]] + [[0A, 0A, 0A]] * x_1 58.33/15.86 >>> 58.33/15.86 58.33/15.86 <<< 58.33/15.86 POL(c(x_1)) = [[0A], [0A], [-I]] + [[0A, 0A, 0A], [1A, 0A, 0A], [-I, -I, -I]] * x_1 58.33/15.86 >>> 58.33/15.86 58.33/15.86 <<< 58.33/15.86 POL(b(x_1)) = [[0A], [0A], [-I]] + [[0A, -I, 0A], [0A, -I, 0A], [0A, -I, 0A]] * x_1 58.33/15.86 >>> 58.33/15.86 58.33/15.86 58.33/15.86 The following usable rules [FROCOS05] with respect to the argument filtering of the ordering [JAR06] were oriented: 58.33/15.86 58.33/15.86 a(c(x1)) -> b(x1) 58.33/15.86 b(a(a(x1))) -> a(a(a(c(b(x1))))) 58.33/15.86 a(x1) -> x1 58.33/15.86 58.33/15.86 58.33/15.86 ---------------------------------------- 58.33/15.86 58.33/15.86 (12) 58.33/15.86 Obligation: 58.33/15.86 Q DP problem: 58.33/15.86 The TRS P consists of the following rules: 58.33/15.86 58.33/15.86 B(a(a(x1))) -> A(a(a(c(b(x1))))) 58.33/15.86 58.33/15.86 The TRS R consists of the following rules: 58.33/15.86 58.33/15.86 a(x1) -> x1 58.33/15.86 b(a(a(x1))) -> a(a(a(c(b(x1))))) 58.33/15.86 a(c(x1)) -> b(x1) 58.33/15.86 58.33/15.86 Q is empty. 58.33/15.86 We have to consider all minimal (P,Q,R)-chains. 58.33/15.86 ---------------------------------------- 58.33/15.86 58.33/15.86 (13) DependencyGraphProof (EQUIVALENT) 58.33/15.86 The approximation of the Dependency Graph [LPAR04,FROCOS05,EDGSTAR] contains 0 SCCs with 1 less node. 58.33/15.86 ---------------------------------------- 58.33/15.86 58.33/15.86 (14) 58.33/15.86 TRUE 58.92/15.95 EOF