/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# AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty Termination w.r.t. Q of the given QTRS could be proven: (0) QTRS (1) QTRSRRRProof [EQUIVALENT, 52 ms] (2) QTRS (3) QTRSRRRProof [EQUIVALENT, 12 ms] (4) QTRS (5) QTRSRRRProof [EQUIVALENT, 0 ms] (6) QTRS (7) QTRSRRRProof [EQUIVALENT, 0 ms] (8) QTRS (9) AAECC Innermost [EQUIVALENT, 0 ms] (10) QTRS (11) DependencyPairsProof [EQUIVALENT, 0 ms] (12) QDP (13) DependencyGraphProof [EQUIVALENT, 0 ms] (14) TRUE ---------------------------------------- (0) Obligation: Q restricted rewrite system: The TRS R consists of the following rules: f(0) -> cons(0, n__f(n__s(n__0))) f(s(0)) -> f(p(s(0))) p(s(0)) -> 0 f(X) -> n__f(X) s(X) -> n__s(X) 0 -> n__0 activate(n__f(X)) -> f(activate(X)) activate(n__s(X)) -> s(activate(X)) activate(n__0) -> 0 activate(X) -> X Q is empty. ---------------------------------------- (1) QTRSRRRProof (EQUIVALENT) Used ordering: Polynomial interpretation [POLO]: POL(0) = 1 POL(activate(x_1)) = 2 + 2*x_1 POL(cons(x_1, x_2)) = x_1 + x_2 POL(f(x_1)) = 2 + 2*x_1 POL(n__0) = 0 POL(n__f(x_1)) = 2 + 2*x_1 POL(n__s(x_1)) = x_1 POL(p(x_1)) = x_1 POL(s(x_1)) = x_1 With this ordering the following rules can be removed by the rule removal processor [LPAR04] because they are oriented strictly: f(0) -> cons(0, n__f(n__s(n__0))) 0 -> n__0 activate(n__0) -> 0 activate(X) -> X ---------------------------------------- (2) Obligation: Q restricted rewrite system: The TRS R consists of the following rules: f(s(0)) -> f(p(s(0))) p(s(0)) -> 0 f(X) -> n__f(X) s(X) -> n__s(X) activate(n__f(X)) -> f(activate(X)) activate(n__s(X)) -> s(activate(X)) Q is empty. ---------------------------------------- (3) QTRSRRRProof (EQUIVALENT) Used ordering: Polynomial interpretation [POLO]: POL(0) = 1 POL(activate(x_1)) = 2 + 2*x_1 POL(f(x_1)) = 2 + 2*x_1 POL(n__f(x_1)) = 2 + 2*x_1 POL(n__s(x_1)) = 1 + x_1 POL(p(x_1)) = x_1 POL(s(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: p(s(0)) -> 0 activate(n__s(X)) -> s(activate(X)) ---------------------------------------- (4) Obligation: Q restricted rewrite system: The TRS R consists of the following rules: f(s(0)) -> f(p(s(0))) f(X) -> n__f(X) s(X) -> n__s(X) activate(n__f(X)) -> f(activate(X)) Q is empty. ---------------------------------------- (5) QTRSRRRProof (EQUIVALENT) Used ordering: f/1(YES) s/1)YES( 0/0) p/1)YES( n__f/1(YES) n__s/1)YES( activate/1(YES) Quasi precedence: activate_1 > [f_1, 0] > n__f_1 Status: f_1: multiset status 0: multiset status n__f_1: multiset status activate_1: multiset status With this ordering the following rules can be removed by the rule removal processor [LPAR04] because they are oriented strictly: f(X) -> n__f(X) activate(n__f(X)) -> f(activate(X)) ---------------------------------------- (6) Obligation: Q restricted rewrite system: The TRS R consists of the following rules: f(s(0)) -> f(p(s(0))) s(X) -> n__s(X) Q is empty. ---------------------------------------- (7) QTRSRRRProof (EQUIVALENT) Used ordering: Polynomial interpretation [POLO]: POL(0) = 0 POL(f(x_1)) = x_1 POL(n__s(x_1)) = 2*x_1 POL(p(x_1)) = x_1 POL(s(x_1)) = 1 + 2*x_1 With this ordering the following rules can be removed by the rule removal processor [LPAR04] because they are oriented strictly: s(X) -> n__s(X) ---------------------------------------- (8) Obligation: Q restricted rewrite system: The TRS R consists of the following rules: f(s(0)) -> f(p(s(0))) Q is empty. ---------------------------------------- (9) AAECC Innermost (EQUIVALENT) We have applied [NOC,AAECCNOC] to switch to innermost. The TRS R 1 is none The TRS R 2 is f(s(0)) -> f(p(s(0))) The signature Sigma is {f_1} ---------------------------------------- (10) Obligation: Q restricted rewrite system: The TRS R consists of the following rules: f(s(0)) -> f(p(s(0))) The set Q consists of the following terms: f(s(0)) ---------------------------------------- (11) DependencyPairsProof (EQUIVALENT) Using Dependency Pairs [AG00,LPAR04] we result in the following initial DP problem. ---------------------------------------- (12) Obligation: Q DP problem: The TRS P consists of the following rules: F(s(0)) -> F(p(s(0))) The TRS R consists of the following rules: f(s(0)) -> f(p(s(0))) The set Q consists of the following terms: f(s(0)) We have to consider all minimal (P,Q,R)-chains. ---------------------------------------- (13) DependencyGraphProof (EQUIVALENT) The approximation of the Dependency Graph [LPAR04,FROCOS05,EDGSTAR] contains 0 SCCs with 1 less node. ---------------------------------------- (14) TRUE