4.14/1.92 YES 4.14/1.93 proof of /export/starexec/sandbox2/benchmark/theBenchmark.xml 4.14/1.93 # AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty 4.14/1.93 4.14/1.93 4.14/1.93 Termination of the given ETRS could be proven: 4.14/1.93 4.14/1.93 (0) ETRS 4.14/1.93 (1) RRRPoloETRSProof [EQUIVALENT, 130 ms] 4.14/1.93 (2) ETRS 4.14/1.93 (3) RRRPoloETRSProof [EQUIVALENT, 27 ms] 4.14/1.93 (4) ETRS 4.14/1.93 (5) RRRPoloETRSProof [EQUIVALENT, 41 ms] 4.14/1.93 (6) ETRS 4.14/1.93 (7) RRRPoloETRSProof [EQUIVALENT, 0 ms] 4.14/1.93 (8) ETRS 4.14/1.93 (9) RisEmptyProof [EQUIVALENT, 0 ms] 4.14/1.93 (10) YES 4.14/1.93 4.14/1.93 4.14/1.93 ---------------------------------------- 4.14/1.93 4.14/1.93 (0) 4.14/1.93 Obligation: 4.14/1.93 Equational rewrite system: 4.14/1.93 The TRS R consists of the following rules: 4.14/1.93 4.14/1.93 f(plus(x, y)) -> plus(f(x), y) 4.14/1.93 plus(g(x), y) -> g(plus(x, y)) 4.14/1.93 plus(f(a), g(b)) -> plus(f(b), g(a)) 4.14/1.93 h(a, b) -> h(b, a) 4.14/1.93 h(a, g(g(a))) -> h(g(a), f(a)) 4.14/1.93 h(g(a), a) -> h(a, g(b)) 4.14/1.93 h(g(a), b) -> h(a, g(a)) 4.14/1.93 4.14/1.93 The set E consists of the following equations: 4.14/1.93 4.14/1.93 plus(x, y) == plus(y, x) 4.14/1.93 plus(plus(x, y), z) == plus(x, plus(y, z)) 4.14/1.93 4.14/1.93 4.14/1.93 ---------------------------------------- 4.14/1.93 4.14/1.93 (1) RRRPoloETRSProof (EQUIVALENT) 4.14/1.93 The following E TRS is given: Equational rewrite system: 4.14/1.93 The TRS R consists of the following rules: 4.14/1.93 4.14/1.93 f(plus(x, y)) -> plus(f(x), y) 4.14/1.93 plus(g(x), y) -> g(plus(x, y)) 4.14/1.93 plus(f(a), g(b)) -> plus(f(b), g(a)) 4.14/1.93 h(a, b) -> h(b, a) 4.14/1.93 h(a, g(g(a))) -> h(g(a), f(a)) 4.14/1.93 h(g(a), a) -> h(a, g(b)) 4.14/1.93 h(g(a), b) -> h(a, g(a)) 4.14/1.93 4.14/1.93 The set E consists of the following equations: 4.14/1.93 4.14/1.93 plus(x, y) == plus(y, x) 4.14/1.93 plus(plus(x, y), z) == plus(x, plus(y, z)) 4.14/1.93 4.14/1.93 The following rules can be removed by the rule removal processor [LPAR04] because they are oriented strictly by a polynomial ordering: 4.14/1.93 4.14/1.93 f(plus(x, y)) -> plus(f(x), y) 4.14/1.93 plus(g(x), y) -> g(plus(x, y)) 4.14/1.93 h(a, g(g(a))) -> h(g(a), f(a)) 4.14/1.93 Used ordering: 4.14/1.93 Polynomial interpretation [POLO]: 4.14/1.93 4.14/1.93 POL(a) = 0 4.14/1.93 POL(b) = 0 4.14/1.93 POL(f(x_1)) = 2 + 3*x_1 4.14/1.93 POL(g(x_1)) = 3 + x_1 4.14/1.93 POL(h(x_1, x_2)) = x_1 + x_2 4.14/1.93 POL(plus(x_1, x_2)) = 2 + 2*x_1 + x_1*x_2 + 2*x_2 4.14/1.93 4.14/1.93 4.14/1.93 4.14/1.93 4.14/1.93 ---------------------------------------- 4.14/1.93 4.14/1.93 (2) 4.14/1.93 Obligation: 4.14/1.93 Equational rewrite system: 4.14/1.93 The TRS R consists of the following rules: 4.14/1.93 4.14/1.93 plus(f(a), g(b)) -> plus(f(b), g(a)) 4.14/1.93 h(a, b) -> h(b, a) 4.14/1.93 h(g(a), a) -> h(a, g(b)) 4.14/1.93 h(g(a), b) -> h(a, g(a)) 4.14/1.93 4.14/1.93 The set E consists of the following equations: 4.14/1.93 4.14/1.93 plus(x, y) == plus(y, x) 4.14/1.93 plus(plus(x, y), z) == plus(x, plus(y, z)) 4.14/1.93 4.14/1.93 4.14/1.93 ---------------------------------------- 4.14/1.93 4.14/1.93 (3) RRRPoloETRSProof (EQUIVALENT) 4.14/1.93 The following E TRS is given: Equational rewrite system: 4.14/1.93 The TRS R consists of the following rules: 4.14/1.93 4.14/1.93 plus(f(a), g(b)) -> plus(f(b), g(a)) 4.14/1.93 h(a, b) -> h(b, a) 4.14/1.93 h(g(a), a) -> h(a, g(b)) 4.14/1.93 h(g(a), b) -> h(a, g(a)) 4.14/1.93 4.14/1.93 The set E consists of the following equations: 4.14/1.93 4.14/1.93 plus(x, y) == plus(y, x) 4.14/1.93 plus(plus(x, y), z) == plus(x, plus(y, z)) 4.14/1.93 4.14/1.93 The following rules can be removed by the rule removal processor [LPAR04] because they are oriented strictly by a polynomial ordering: 4.14/1.93 4.14/1.93 h(a, b) -> h(b, a) 4.14/1.93 h(g(a), a) -> h(a, g(b)) 4.14/1.93 Used ordering: 4.14/1.93 Polynomial interpretation [POLO]: 4.14/1.93 4.14/1.93 POL(a) = 2 4.14/1.93 POL(b) = 0 4.14/1.93 POL(f(x_1)) = 2*x_1 4.14/1.93 POL(g(x_1)) = x_1^2 4.14/1.93 POL(h(x_1, x_2)) = 2*x_1 + x_2 4.14/1.93 POL(plus(x_1, x_2)) = 3 + x_1 + x_2 4.14/1.93 4.14/1.93 4.14/1.93 4.14/1.93 4.14/1.93 ---------------------------------------- 4.14/1.93 4.14/1.93 (4) 4.14/1.93 Obligation: 4.14/1.93 Equational rewrite system: 4.14/1.93 The TRS R consists of the following rules: 4.14/1.93 4.14/1.93 plus(f(a), g(b)) -> plus(f(b), g(a)) 4.14/1.93 h(g(a), b) -> h(a, g(a)) 4.14/1.93 4.14/1.93 The set E consists of the following equations: 4.14/1.93 4.14/1.93 plus(x, y) == plus(y, x) 4.14/1.93 plus(plus(x, y), z) == plus(x, plus(y, z)) 4.14/1.93 4.14/1.93 4.14/1.93 ---------------------------------------- 4.14/1.93 4.14/1.93 (5) RRRPoloETRSProof (EQUIVALENT) 4.14/1.93 The following E TRS is given: Equational rewrite system: 4.14/1.93 The TRS R consists of the following rules: 4.14/1.93 4.14/1.93 plus(f(a), g(b)) -> plus(f(b), g(a)) 4.14/1.93 h(g(a), b) -> h(a, g(a)) 4.14/1.93 4.14/1.93 The set E consists of the following equations: 4.14/1.93 4.14/1.93 plus(x, y) == plus(y, x) 4.14/1.93 plus(plus(x, y), z) == plus(x, plus(y, z)) 4.14/1.93 4.14/1.93 The following rules can be removed by the rule removal processor [LPAR04] because they are oriented strictly by a polynomial ordering: 4.14/1.93 4.14/1.93 plus(f(a), g(b)) -> plus(f(b), g(a)) 4.14/1.93 Used ordering: 4.14/1.93 Polynomial interpretation [POLO]: 4.14/1.93 4.14/1.93 POL(a) = 2 4.14/1.93 POL(b) = 0 4.14/1.93 POL(f(x_1)) = 3*x_1 4.14/1.93 POL(g(x_1)) = 2*x_1 4.14/1.93 POL(h(x_1, x_2)) = 2*x_1 + x_2 4.14/1.93 POL(plus(x_1, x_2)) = 3 + x_1 + x_2 4.14/1.93 4.14/1.93 4.14/1.93 4.14/1.93 4.14/1.93 ---------------------------------------- 4.14/1.93 4.14/1.93 (6) 4.14/1.93 Obligation: 4.14/1.93 Equational rewrite system: 4.14/1.93 The TRS R consists of the following rules: 4.14/1.93 4.14/1.93 h(g(a), b) -> h(a, g(a)) 4.14/1.93 4.14/1.93 The set E consists of the following equations: 4.14/1.93 4.14/1.93 plus(x, y) == plus(y, x) 4.14/1.93 plus(plus(x, y), z) == plus(x, plus(y, z)) 4.14/1.93 4.14/1.93 4.14/1.93 ---------------------------------------- 4.14/1.93 4.14/1.93 (7) RRRPoloETRSProof (EQUIVALENT) 4.14/1.93 The following E TRS is given: Equational rewrite system: 4.14/1.93 The TRS R consists of the following rules: 4.14/1.93 4.14/1.93 h(g(a), b) -> h(a, g(a)) 4.14/1.93 4.14/1.93 The set E consists of the following equations: 4.14/1.93 4.14/1.93 plus(x, y) == plus(y, x) 4.14/1.93 plus(plus(x, y), z) == plus(x, plus(y, z)) 4.14/1.93 4.14/1.93 The following rules can be removed by the rule removal processor [LPAR04] because they are oriented strictly by a polynomial ordering: 4.14/1.93 4.14/1.93 h(g(a), b) -> h(a, g(a)) 4.14/1.93 Used ordering: 4.14/1.93 Polynomial interpretation [POLO]: 4.14/1.93 4.14/1.93 POL(a) = 0 4.14/1.93 POL(b) = 1 4.14/1.93 POL(g(x_1)) = x_1^2 4.14/1.93 POL(h(x_1, x_2)) = 2*x_1 + x_2 4.14/1.93 POL(plus(x_1, x_2)) = 3 + 3*x_1 + 2*x_1*x_2 + 3*x_2 4.14/1.93 4.14/1.93 4.14/1.93 4.14/1.93 4.14/1.93 ---------------------------------------- 4.14/1.93 4.14/1.93 (8) 4.14/1.93 Obligation: 4.14/1.93 Equational rewrite system: 4.14/1.93 R is empty. 4.14/1.93 The set E consists of the following equations: 4.14/1.93 4.14/1.93 plus(x, y) == plus(y, x) 4.14/1.93 plus(plus(x, y), z) == plus(x, plus(y, z)) 4.14/1.93 4.14/1.93 4.14/1.93 ---------------------------------------- 4.14/1.93 4.14/1.93 (9) RisEmptyProof (EQUIVALENT) 4.14/1.93 The TRS R is empty. Hence, termination is trivially proven. 4.14/1.93 ---------------------------------------- 4.14/1.93 4.14/1.93 (10) 4.14/1.93 YES 4.35/1.97 EOF