3.58/1.75 YES 3.58/1.75 proof of /export/starexec/sandbox2/benchmark/theBenchmark.xml 3.58/1.75 # AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty 3.58/1.75 3.58/1.75 3.58/1.75 Termination of the given ETRS could be proven: 3.58/1.75 3.58/1.75 (0) ETRS 3.58/1.75 (1) RRRPoloETRSProof [EQUIVALENT, 138 ms] 3.58/1.75 (2) ETRS 3.58/1.75 (3) RRRPoloETRSProof [EQUIVALENT, 0 ms] 3.58/1.75 (4) ETRS 3.58/1.75 (5) RisEmptyProof [EQUIVALENT, 0 ms] 3.58/1.75 (6) YES 3.58/1.75 3.58/1.75 3.58/1.75 ---------------------------------------- 3.58/1.75 3.58/1.75 (0) 3.58/1.75 Obligation: 3.58/1.75 Equational rewrite system: 3.58/1.75 The TRS R consists of the following rules: 3.58/1.75 3.58/1.75 plus(0, y) -> y 3.58/1.75 plus(s(x), 0) -> s(x) 3.58/1.75 plus(s(x), s(y)) -> s(plus(s(x), plus(y, 0))) 3.58/1.75 3.58/1.75 The set E consists of the following equations: 3.58/1.75 3.58/1.75 plus(x, y) == plus(y, x) 3.58/1.75 plus(plus(x, y), z) == plus(x, plus(y, z)) 3.58/1.75 3.58/1.75 3.58/1.75 ---------------------------------------- 3.58/1.75 3.58/1.75 (1) RRRPoloETRSProof (EQUIVALENT) 3.58/1.75 The following E TRS is given: Equational rewrite system: 3.58/1.75 The TRS R consists of the following rules: 3.58/1.75 3.58/1.75 plus(0, y) -> y 3.58/1.75 plus(s(x), 0) -> s(x) 3.58/1.75 plus(s(x), s(y)) -> s(plus(s(x), plus(y, 0))) 3.58/1.75 3.58/1.75 The set E consists of the following equations: 3.58/1.76 3.58/1.76 plus(x, y) == plus(y, x) 3.58/1.76 plus(plus(x, y), z) == plus(x, plus(y, z)) 3.58/1.76 3.58/1.76 The following rules can be removed by the rule removal processor [LPAR04] because they are oriented strictly by a polynomial ordering: 3.58/1.76 3.58/1.76 plus(s(x), s(y)) -> s(plus(s(x), plus(y, 0))) 3.58/1.76 Used ordering: 3.58/1.76 Polynomial interpretation [POLO]: 3.58/1.76 3.58/1.76 POL(0) = 0 3.58/1.76 POL(plus(x_1, x_2)) = x_1 + x_1*x_2 + x_2 3.58/1.76 POL(s(x_1)) = 1 + x_1 3.58/1.76 3.58/1.76 3.58/1.76 3.58/1.76 3.58/1.76 ---------------------------------------- 3.58/1.76 3.58/1.76 (2) 3.58/1.76 Obligation: 3.58/1.76 Equational rewrite system: 3.58/1.76 The TRS R consists of the following rules: 3.58/1.76 3.58/1.76 plus(0, y) -> y 3.58/1.76 plus(s(x), 0) -> s(x) 3.58/1.76 3.58/1.76 The set E consists of the following equations: 3.58/1.76 3.58/1.76 plus(x, y) == plus(y, x) 3.58/1.76 plus(plus(x, y), z) == plus(x, plus(y, z)) 3.58/1.76 3.58/1.76 3.58/1.76 ---------------------------------------- 3.58/1.76 3.58/1.76 (3) RRRPoloETRSProof (EQUIVALENT) 3.58/1.76 The following E TRS is given: Equational rewrite system: 3.58/1.76 The TRS R consists of the following rules: 3.58/1.76 3.58/1.76 plus(0, y) -> y 3.58/1.76 plus(s(x), 0) -> s(x) 3.58/1.76 3.58/1.76 The set E consists of the following equations: 3.58/1.76 3.58/1.76 plus(x, y) == plus(y, x) 3.58/1.76 plus(plus(x, y), z) == plus(x, plus(y, z)) 3.58/1.76 3.58/1.76 The following rules can be removed by the rule removal processor [LPAR04] because they are oriented strictly by a polynomial ordering: 3.58/1.76 3.58/1.76 plus(0, y) -> y 3.58/1.76 plus(s(x), 0) -> s(x) 3.58/1.76 Used ordering: 3.58/1.76 Polynomial interpretation [POLO]: 3.58/1.76 3.58/1.76 POL(0) = 0 3.58/1.76 POL(plus(x_1, x_2)) = 1 + x_1 + x_2 3.58/1.76 POL(s(x_1)) = 3 + x_1^2 3.58/1.76 3.58/1.76 3.58/1.76 3.58/1.76 3.58/1.76 ---------------------------------------- 3.58/1.76 3.58/1.76 (4) 3.58/1.76 Obligation: 3.58/1.76 Equational rewrite system: 3.58/1.76 R is empty. 3.58/1.76 The set E consists of the following equations: 3.58/1.76 3.58/1.76 plus(x, y) == plus(y, x) 3.58/1.76 plus(plus(x, y), z) == plus(x, plus(y, z)) 3.58/1.76 3.58/1.76 3.58/1.76 ---------------------------------------- 3.58/1.76 3.58/1.76 (5) RisEmptyProof (EQUIVALENT) 3.58/1.76 The TRS R is empty. Hence, termination is trivially proven. 3.58/1.76 ---------------------------------------- 3.58/1.76 3.58/1.76 (6) 3.58/1.76 YES 3.77/1.78 EOF