/export/starexec/sandbox/solver/bin/starexec_run_standard /export/starexec/sandbox/benchmark/theBenchmark.xml /export/starexec/sandbox/output/output_files -------------------------------------------------------------------------------- YES proof of /export/starexec/sandbox/benchmark/theBenchmark.xml # AProVE Commit ID: c69e44bd14796315568835c1ffa2502984884775 mhark 20210624 unpublished Termination of the given CSR could be proven: (0) CSR (1) CSRRRRProof [EQUIVALENT, 42 ms] (2) CSR (3) CSRRRRProof [EQUIVALENT, 5 ms] (4) CSR (5) CSRRRRProof [EQUIVALENT, 0 ms] (6) CSR (7) RisEmptyProof [EQUIVALENT, 0 ms] (8) YES ---------------------------------------- (0) Obligation: Context-sensitive rewrite system: The TRS R consists of the following rules: f(X) -> if(X, c, f(true)) if(true, X, Y) -> X if(false, X, Y) -> Y The replacement map contains the following entries: f: {1} if: {1, 2} c: empty set true: empty set false: empty set ---------------------------------------- (1) CSRRRRProof (EQUIVALENT) The following CSR is given: Context-sensitive rewrite system: The TRS R consists of the following rules: f(X) -> if(X, c, f(true)) if(true, X, Y) -> X if(false, X, Y) -> Y The replacement map contains the following entries: f: {1} if: {1, 2} c: empty set true: empty set false: empty set Used ordering: Polynomial interpretation [POLO]: POL(c) = 0 POL(f(x_1)) = 2*x_1 POL(false) = 2 POL(if(x_1, x_2, x_3)) = 2*x_1 + 2*x_2 + 2*x_3 POL(true) = 0 With this ordering the following rules can be removed by the rule removal processor [LPAR04] because they are oriented strictly: if(false, X, Y) -> Y ---------------------------------------- (2) Obligation: Context-sensitive rewrite system: The TRS R consists of the following rules: f(X) -> if(X, c, f(true)) if(true, X, Y) -> X The replacement map contains the following entries: f: {1} if: {1, 2} c: empty set true: empty set ---------------------------------------- (3) CSRRRRProof (EQUIVALENT) The following CSR is given: Context-sensitive rewrite system: The TRS R consists of the following rules: f(X) -> if(X, c, f(true)) if(true, X, Y) -> X The replacement map contains the following entries: f: {1} if: {1, 2} c: empty set true: empty set Used ordering: Polynomial interpretation [POLO]: POL(c) = 0 POL(f(x_1)) = 1 + 2*x_1 POL(if(x_1, x_2, x_3)) = x_1 + 2*x_2 POL(true) = 0 With this ordering the following rules can be removed by the rule removal processor [LPAR04] because they are oriented strictly: f(X) -> if(X, c, f(true)) ---------------------------------------- (4) Obligation: Context-sensitive rewrite system: The TRS R consists of the following rules: if(true, X, Y) -> X The replacement map contains the following entries: if: {1, 2} true: empty set ---------------------------------------- (5) CSRRRRProof (EQUIVALENT) The following CSR is given: Context-sensitive rewrite system: The TRS R consists of the following rules: if(true, X, Y) -> X The replacement map contains the following entries: if: {1, 2} true: empty set Used ordering: Matrix interpretation [MATRO] to (N^2, +, *, >=, >) : <<< POL(if(x_1, x_2, x_3)) = [[0], [1]] + [[1, 1], [1, 1]] * x_1 + [[1, 1], [1, 1]] * x_2 + [[1, 1], [0, 1]] * x_3 >>> <<< POL(true) = [[0], [1]] >>> With this ordering the following rules can be removed by the rule removal processor [LPAR04] because they are oriented strictly: if(true, X, Y) -> X ---------------------------------------- (6) Obligation: Context-sensitive rewrite system: R is empty. ---------------------------------------- (7) RisEmptyProof (EQUIVALENT) The CSR R is empty. Hence, termination is trivially proven. ---------------------------------------- (8) YES