YES proof of /export/starexec/sandbox/benchmark/theBenchmark.xml # AProVE Commit ID: 794c25de1cacf0d048858bcd21c9a779e1221865 marcel 20200619 unpublished dirty Termination of the given CSR could be proven: (0) CSR (1) CSRRRRProof [EQUIVALENT, 54 ms] (2) CSR (3) CSRRRRProof [EQUIVALENT, 0 ms] (4) CSR (5) CSRRRRProof [EQUIVALENT, 0 ms] (6) CSR (7) CSRRRRProof [EQUIVALENT, 4 ms] (8) CSR (9) CSRRRRProof [EQUIVALENT, 0 ms] (10) CSR (11) RisEmptyProof [EQUIVALENT, 0 ms] (12) YES ---------------------------------------- (0) Obligation: Context-sensitive rewrite system: The TRS R consists of the following rules: f_1(h_1(x)) -> f_1(i_1(x)) h_1(x) -> f_1(h_1(x)) *top*_0(f_1(i_1(x))) -> *top*_0(x) f_0(f_1(i_1(x))) -> f_1(x) f_1(i_1(x)) -> x i_1(x) -> h_1(x) The replacement map contains the following entries: f_1: empty set h_1: empty set i_1: empty set *top*_0: {1} f_0: {1} ---------------------------------------- (1) CSRRRRProof (EQUIVALENT) The following CSR is given: Context-sensitive rewrite system: The TRS R consists of the following rules: f_1(h_1(x)) -> f_1(i_1(x)) h_1(x) -> f_1(h_1(x)) *top*_0(f_1(i_1(x))) -> *top*_0(x) f_0(f_1(i_1(x))) -> f_1(x) f_1(i_1(x)) -> x i_1(x) -> h_1(x) The replacement map contains the following entries: f_1: empty set h_1: empty set i_1: empty set *top*_0: {1} f_0: {1} Used ordering: Polynomial interpretation [POLO]: POL(*top*_0(x_1)) = x_1 POL(f_0(x_1)) = 2 + x_1 POL(f_1(x_1)) = x_1 POL(h_1(x_1)) = 2*x_1 POL(i_1(x_1)) = 2*x_1 With this ordering the following rules can be removed by the rule removal processor [LPAR04] because they are oriented strictly: f_0(f_1(i_1(x))) -> f_1(x) ---------------------------------------- (2) Obligation: Context-sensitive rewrite system: The TRS R consists of the following rules: f_1(h_1(x)) -> f_1(i_1(x)) h_1(x) -> f_1(h_1(x)) *top*_0(f_1(i_1(x))) -> *top*_0(x) f_1(i_1(x)) -> x i_1(x) -> h_1(x) The replacement map contains the following entries: f_1: empty set h_1: empty set i_1: empty set *top*_0: {1} ---------------------------------------- (3) CSRRRRProof (EQUIVALENT) The following CSR is given: Context-sensitive rewrite system: The TRS R consists of the following rules: f_1(h_1(x)) -> f_1(i_1(x)) h_1(x) -> f_1(h_1(x)) *top*_0(f_1(i_1(x))) -> *top*_0(x) f_1(i_1(x)) -> x i_1(x) -> h_1(x) The replacement map contains the following entries: f_1: empty set h_1: empty set i_1: empty set *top*_0: {1} Used ordering: Polynomial interpretation [POLO]: POL(*top*_0(x_1)) = x_1 POL(f_1(x_1)) = x_1 POL(h_1(x_1)) = 1 + x_1 POL(i_1(x_1)) = 1 + x_1 With this ordering the following rules can be removed by the rule removal processor [LPAR04] because they are oriented strictly: *top*_0(f_1(i_1(x))) -> *top*_0(x) f_1(i_1(x)) -> x ---------------------------------------- (4) Obligation: Context-sensitive rewrite system: The TRS R consists of the following rules: f_1(h_1(x)) -> f_1(i_1(x)) h_1(x) -> f_1(h_1(x)) i_1(x) -> h_1(x) The replacement map contains the following entries: f_1: empty set h_1: empty set i_1: empty set ---------------------------------------- (5) CSRRRRProof (EQUIVALENT) The following CSR is given: Context-sensitive rewrite system: The TRS R consists of the following rules: f_1(h_1(x)) -> f_1(i_1(x)) h_1(x) -> f_1(h_1(x)) i_1(x) -> h_1(x) The replacement map contains the following entries: f_1: empty set h_1: empty set i_1: empty set Used ordering: Polynomial interpretation [POLO]: POL(f_1(x_1)) = 0 POL(h_1(x_1)) = 1 + x_1 POL(i_1(x_1)) = 1 + x_1 With this ordering the following rules can be removed by the rule removal processor [LPAR04] because they are oriented strictly: h_1(x) -> f_1(h_1(x)) ---------------------------------------- (6) Obligation: Context-sensitive rewrite system: The TRS R consists of the following rules: f_1(h_1(x)) -> f_1(i_1(x)) i_1(x) -> h_1(x) The replacement map contains the following entries: f_1: empty set h_1: empty set i_1: empty set ---------------------------------------- (7) CSRRRRProof (EQUIVALENT) The following CSR is given: Context-sensitive rewrite system: The TRS R consists of the following rules: f_1(h_1(x)) -> f_1(i_1(x)) i_1(x) -> h_1(x) The replacement map contains the following entries: f_1: empty set h_1: empty set i_1: empty set Used ordering: Polynomial interpretation [POLO]: POL(f_1(x_1)) = 0 POL(h_1(x_1)) = 1 + x_1 POL(i_1(x_1)) = 2 + 2*x_1 With this ordering the following rules can be removed by the rule removal processor [LPAR04] because they are oriented strictly: i_1(x) -> h_1(x) ---------------------------------------- (8) Obligation: Context-sensitive rewrite system: The TRS R consists of the following rules: f_1(h_1(x)) -> f_1(i_1(x)) The replacement map contains the following entries: f_1: empty set h_1: empty set i_1: empty set ---------------------------------------- (9) CSRRRRProof (EQUIVALENT) The following CSR is given: Context-sensitive rewrite system: The TRS R consists of the following rules: f_1(h_1(x)) -> f_1(i_1(x)) The replacement map contains the following entries: f_1: empty set h_1: empty set i_1: empty set Used ordering: Polynomial interpretation [POLO]: POL(f_1(x_1)) = 2*x_1 POL(h_1(x_1)) = 2 + x_1 POL(i_1(x_1)) = 1 + x_1 With this ordering the following rules can be removed by the rule removal processor [LPAR04] because they are oriented strictly: f_1(h_1(x)) -> f_1(i_1(x)) ---------------------------------------- (10) Obligation: Context-sensitive rewrite system: R is empty. ---------------------------------------- (11) RisEmptyProof (EQUIVALENT) The CSR R is empty. Hence, termination is trivially proven. ---------------------------------------- (12) YES