3.87/1.91 YES 3.87/1.92 proof of /export/starexec/sandbox/benchmark/theBenchmark.xml 3.87/1.92 # AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty 3.87/1.92 3.87/1.92 3.87/1.92 Termination w.r.t. Q of the given QTRS could be proven: 3.87/1.92 3.87/1.92 (0) QTRS 3.87/1.92 (1) QTRSRRRProof [EQUIVALENT, 64 ms] 3.87/1.92 (2) QTRS 3.87/1.92 (3) QTRSRRRProof [EQUIVALENT, 0 ms] 3.87/1.92 (4) QTRS 3.87/1.92 (5) QTRSRRRProof [EQUIVALENT, 0 ms] 3.87/1.92 (6) QTRS 3.87/1.92 (7) QTRSRRRProof [EQUIVALENT, 3 ms] 3.87/1.92 (8) QTRS 3.87/1.92 (9) QTRSRRRProof [EQUIVALENT, 0 ms] 3.87/1.92 (10) QTRS 3.87/1.92 (11) RisEmptyProof [EQUIVALENT, 0 ms] 3.87/1.92 (12) YES 3.87/1.92 3.87/1.92 3.87/1.92 ---------------------------------------- 3.87/1.92 3.87/1.92 (0) 3.87/1.92 Obligation: 3.87/1.92 Q restricted rewrite system: 3.87/1.92 The TRS R consists of the following rules: 3.87/1.92 3.87/1.92 a__f(a, X, X) -> a__f(X, a__b, b) 3.87/1.92 a__b -> a 3.87/1.92 mark(f(X1, X2, X3)) -> a__f(X1, mark(X2), X3) 3.87/1.92 mark(b) -> a__b 3.87/1.92 mark(a) -> a 3.87/1.92 a__f(X1, X2, X3) -> f(X1, X2, X3) 3.87/1.92 a__b -> b 3.87/1.92 3.87/1.92 The set Q consists of the following terms: 3.87/1.92 3.87/1.92 a__b 3.87/1.92 mark(f(x0, x1, x2)) 3.87/1.92 mark(b) 3.87/1.92 mark(a) 3.87/1.92 a__f(x0, x1, x2) 3.87/1.92 3.87/1.92 3.87/1.92 ---------------------------------------- 3.87/1.92 3.87/1.92 (1) QTRSRRRProof (EQUIVALENT) 3.87/1.92 Used ordering: 3.87/1.92 Polynomial interpretation [POLO]: 3.87/1.92 3.87/1.92 POL(a) = 1 3.87/1.92 POL(a__b) = 1 3.87/1.92 POL(a__f(x_1, x_2, x_3)) = 2 + 2*x_1 + 2*x_2 + 2*x_3 3.87/1.92 POL(b) = 0 3.87/1.92 POL(f(x_1, x_2, x_3)) = 2 + 2*x_1 + 2*x_2 + 2*x_3 3.87/1.92 POL(mark(x_1)) = 1 + 2*x_1 3.87/1.92 With this ordering the following rules can be removed by the rule removal processor [LPAR04] because they are oriented strictly: 3.87/1.92 3.87/1.92 mark(f(X1, X2, X3)) -> a__f(X1, mark(X2), X3) 3.87/1.92 mark(a) -> a 3.87/1.92 a__b -> b 3.87/1.92 3.87/1.92 3.87/1.92 3.87/1.92 3.87/1.92 ---------------------------------------- 3.87/1.92 3.87/1.92 (2) 3.87/1.92 Obligation: 3.87/1.92 Q restricted rewrite system: 3.87/1.92 The TRS R consists of the following rules: 3.87/1.92 3.87/1.92 a__f(a, X, X) -> a__f(X, a__b, b) 3.87/1.92 a__b -> a 3.87/1.92 mark(b) -> a__b 3.87/1.92 a__f(X1, X2, X3) -> f(X1, X2, X3) 3.87/1.92 3.87/1.92 The set Q consists of the following terms: 3.87/1.92 3.87/1.92 a__b 3.87/1.92 mark(f(x0, x1, x2)) 3.87/1.92 mark(b) 3.87/1.92 mark(a) 3.87/1.92 a__f(x0, x1, x2) 3.87/1.92 3.87/1.92 3.87/1.92 ---------------------------------------- 3.87/1.92 3.87/1.92 (3) QTRSRRRProof (EQUIVALENT) 3.87/1.92 Used ordering: 3.87/1.92 Polynomial interpretation [POLO]: 3.87/1.92 3.87/1.92 POL(a) = 0 3.87/1.92 POL(a__b) = 0 3.87/1.92 POL(a__f(x_1, x_2, x_3)) = 1 + x_1 + 2*x_2 + 2*x_3 3.87/1.92 POL(b) = 0 3.87/1.92 POL(f(x_1, x_2, x_3)) = 1 + x_1 + 2*x_2 + x_3 3.87/1.92 POL(mark(x_1)) = 2 + 2*x_1 3.87/1.92 With this ordering the following rules can be removed by the rule removal processor [LPAR04] because they are oriented strictly: 3.87/1.92 3.87/1.92 mark(b) -> a__b 3.87/1.92 3.87/1.92 3.87/1.92 3.87/1.92 3.87/1.92 ---------------------------------------- 3.87/1.92 3.87/1.92 (4) 3.87/1.92 Obligation: 3.87/1.92 Q restricted rewrite system: 3.87/1.92 The TRS R consists of the following rules: 3.87/1.92 3.87/1.92 a__f(a, X, X) -> a__f(X, a__b, b) 3.87/1.92 a__b -> a 3.87/1.92 a__f(X1, X2, X3) -> f(X1, X2, X3) 3.87/1.92 3.87/1.92 The set Q consists of the following terms: 3.87/1.92 3.87/1.92 a__b 3.87/1.92 mark(f(x0, x1, x2)) 3.87/1.92 mark(b) 3.87/1.92 mark(a) 3.87/1.92 a__f(x0, x1, x2) 3.87/1.92 3.87/1.92 3.87/1.92 ---------------------------------------- 3.87/1.92 3.87/1.92 (5) QTRSRRRProof (EQUIVALENT) 3.87/1.92 Used ordering: 3.87/1.92 Polynomial interpretation [POLO]: 3.87/1.92 3.87/1.92 POL(a) = 0 3.87/1.92 POL(a__b) = 0 3.87/1.92 POL(a__f(x_1, x_2, x_3)) = 2 + x_1 + 2*x_2 + 2*x_3 3.87/1.92 POL(b) = 0 3.87/1.92 POL(f(x_1, x_2, x_3)) = x_1 + x_2 + 2*x_3 3.87/1.92 With this ordering the following rules can be removed by the rule removal processor [LPAR04] because they are oriented strictly: 3.87/1.92 3.87/1.92 a__f(X1, X2, X3) -> f(X1, X2, X3) 3.87/1.92 3.87/1.92 3.87/1.92 3.87/1.92 3.87/1.92 ---------------------------------------- 3.87/1.92 3.87/1.92 (6) 3.87/1.92 Obligation: 3.87/1.92 Q restricted rewrite system: 3.87/1.92 The TRS R consists of the following rules: 3.87/1.92 3.87/1.92 a__f(a, X, X) -> a__f(X, a__b, b) 3.87/1.92 a__b -> a 3.87/1.92 3.87/1.92 The set Q consists of the following terms: 3.87/1.92 3.87/1.92 a__b 3.87/1.92 mark(f(x0, x1, x2)) 3.87/1.92 mark(b) 3.87/1.92 mark(a) 3.87/1.92 a__f(x0, x1, x2) 3.87/1.92 3.87/1.92 3.87/1.92 ---------------------------------------- 3.87/1.92 3.87/1.92 (7) QTRSRRRProof (EQUIVALENT) 3.87/1.92 Used ordering: 3.87/1.92 Polynomial interpretation [POLO]: 3.87/1.92 3.87/1.92 POL(a) = 1 3.87/1.92 POL(a__b) = 1 3.87/1.92 POL(a__f(x_1, x_2, x_3)) = 2*x_1 + x_2 + 2*x_3 3.87/1.92 POL(b) = 0 3.87/1.92 With this ordering the following rules can be removed by the rule removal processor [LPAR04] because they are oriented strictly: 3.87/1.92 3.87/1.92 a__f(a, X, X) -> a__f(X, a__b, b) 3.87/1.92 3.87/1.92 3.87/1.92 3.87/1.92 3.87/1.92 ---------------------------------------- 3.87/1.92 3.87/1.92 (8) 3.87/1.92 Obligation: 3.87/1.92 Q restricted rewrite system: 3.87/1.92 The TRS R consists of the following rules: 3.87/1.92 3.87/1.92 a__b -> a 3.87/1.92 3.87/1.92 The set Q consists of the following terms: 3.87/1.92 3.87/1.92 a__b 3.87/1.92 mark(f(x0, x1, x2)) 3.87/1.92 mark(b) 3.87/1.92 mark(a) 3.87/1.92 a__f(x0, x1, x2) 3.87/1.92 3.87/1.92 3.87/1.92 ---------------------------------------- 3.87/1.92 3.87/1.92 (9) QTRSRRRProof (EQUIVALENT) 3.87/1.92 Used ordering: 3.87/1.92 Knuth-Bendix order [KBO] with precedence:a__b > a 3.87/1.92 3.87/1.92 and weight map: 3.87/1.92 3.87/1.92 a__b=1 3.87/1.92 a=1 3.87/1.92 3.87/1.92 The variable weight is 1With this ordering the following rules can be removed by the rule removal processor [LPAR04] because they are oriented strictly: 3.87/1.92 3.87/1.92 a__b -> a 3.87/1.92 3.87/1.92 3.87/1.92 3.87/1.92 3.87/1.92 ---------------------------------------- 3.87/1.92 3.87/1.92 (10) 3.87/1.92 Obligation: 3.87/1.92 Q restricted rewrite system: 3.87/1.92 R is empty. 3.87/1.92 The set Q consists of the following terms: 3.87/1.92 3.87/1.92 a__b 3.87/1.92 mark(f(x0, x1, x2)) 3.87/1.92 mark(b) 3.87/1.92 mark(a) 3.87/1.92 a__f(x0, x1, x2) 3.87/1.92 3.87/1.92 3.87/1.92 ---------------------------------------- 3.87/1.92 3.87/1.92 (11) RisEmptyProof (EQUIVALENT) 3.87/1.92 The TRS R is empty. Hence, termination is trivially proven. 3.87/1.92 ---------------------------------------- 3.87/1.92 3.87/1.92 (12) 3.87/1.92 YES 3.87/1.96 EOF