/export/starexec/sandbox/solver/bin/starexec_run_default /export/starexec/sandbox/benchmark/theBenchmark.xml /export/starexec/sandbox/output/output_files -------------------------------------------------------------------------------- YES Problem 1: (VAR x1) (RULES c(c(x1)) -> c(x1) c(f(x1)) -> f(n(a(c(x1)))) f(x1) -> n(c(n(a(x1)))) n(f(x1)) -> f(n(x1)) n(a(x1)) -> c(x1) n(s(x1)) -> f(s(s(x1))) ) Problem 1: Dependency Pairs Processor: -> Pairs: C(f(x1)) -> C(x1) C(f(x1)) -> F(n(a(c(x1)))) C(f(x1)) -> N(a(c(x1))) F(x1) -> C(n(a(x1))) F(x1) -> N(c(n(a(x1)))) F(x1) -> N(a(x1)) N(f(x1)) -> F(n(x1)) N(f(x1)) -> N(x1) N(a(x1)) -> C(x1) N(s(x1)) -> F(s(s(x1))) -> Rules: c(c(x1)) -> c(x1) c(f(x1)) -> f(n(a(c(x1)))) f(x1) -> n(c(n(a(x1)))) n(f(x1)) -> f(n(x1)) n(a(x1)) -> c(x1) n(s(x1)) -> f(s(s(x1))) Problem 1: SCC Processor: -> Pairs: C(f(x1)) -> C(x1) C(f(x1)) -> F(n(a(c(x1)))) C(f(x1)) -> N(a(c(x1))) F(x1) -> C(n(a(x1))) F(x1) -> N(c(n(a(x1)))) F(x1) -> N(a(x1)) N(f(x1)) -> F(n(x1)) N(f(x1)) -> N(x1) N(a(x1)) -> C(x1) N(s(x1)) -> F(s(s(x1))) -> Rules: c(c(x1)) -> c(x1) c(f(x1)) -> f(n(a(c(x1)))) f(x1) -> n(c(n(a(x1)))) n(f(x1)) -> f(n(x1)) n(a(x1)) -> c(x1) n(s(x1)) -> f(s(s(x1))) ->Strongly Connected Components: ->->Cycle: ->->-> Pairs: C(f(x1)) -> C(x1) C(f(x1)) -> F(n(a(c(x1)))) C(f(x1)) -> N(a(c(x1))) F(x1) -> C(n(a(x1))) F(x1) -> N(c(n(a(x1)))) F(x1) -> N(a(x1)) N(f(x1)) -> F(n(x1)) N(f(x1)) -> N(x1) N(a(x1)) -> C(x1) N(s(x1)) -> F(s(s(x1))) ->->-> Rules: c(c(x1)) -> c(x1) c(f(x1)) -> f(n(a(c(x1)))) f(x1) -> n(c(n(a(x1)))) n(f(x1)) -> f(n(x1)) n(a(x1)) -> c(x1) n(s(x1)) -> f(s(s(x1))) Problem 1: Reduction Pair Processor: -> Pairs: C(f(x1)) -> C(x1) C(f(x1)) -> F(n(a(c(x1)))) C(f(x1)) -> N(a(c(x1))) F(x1) -> C(n(a(x1))) F(x1) -> N(c(n(a(x1)))) F(x1) -> N(a(x1)) N(f(x1)) -> F(n(x1)) N(f(x1)) -> N(x1) N(a(x1)) -> C(x1) N(s(x1)) -> F(s(s(x1))) -> Rules: c(c(x1)) -> c(x1) c(f(x1)) -> f(n(a(c(x1)))) f(x1) -> n(c(n(a(x1)))) n(f(x1)) -> f(n(x1)) n(a(x1)) -> c(x1) n(s(x1)) -> f(s(s(x1))) -> Usable rules: c(c(x1)) -> c(x1) c(f(x1)) -> f(n(a(c(x1)))) f(x1) -> n(c(n(a(x1)))) n(f(x1)) -> f(n(x1)) n(a(x1)) -> c(x1) n(s(x1)) -> f(s(s(x1))) ->Interpretation type: Linear ->Coefficients: Natural Numbers ->Dimension: 1 ->Bound: 2 ->Interpretation: [c](X) = 0 [f](X) = 2.X [n](X) = 2.X [a](X) = 0 [s](X) = 1 [C](X) = 0 [F](X) = X [N](X) = 2.X Problem 1: SCC Processor: -> Pairs: C(f(x1)) -> C(x1) C(f(x1)) -> F(n(a(c(x1)))) C(f(x1)) -> N(a(c(x1))) F(x1) -> C(n(a(x1))) F(x1) -> N(c(n(a(x1)))) F(x1) -> N(a(x1)) N(f(x1)) -> F(n(x1)) N(f(x1)) -> N(x1) N(a(x1)) -> C(x1) -> Rules: c(c(x1)) -> c(x1) c(f(x1)) -> f(n(a(c(x1)))) f(x1) -> n(c(n(a(x1)))) n(f(x1)) -> f(n(x1)) n(a(x1)) -> c(x1) n(s(x1)) -> f(s(s(x1))) ->Strongly Connected Components: ->->Cycle: ->->-> Pairs: C(f(x1)) -> C(x1) C(f(x1)) -> F(n(a(c(x1)))) C(f(x1)) -> N(a(c(x1))) F(x1) -> C(n(a(x1))) F(x1) -> N(c(n(a(x1)))) F(x1) -> N(a(x1)) N(f(x1)) -> F(n(x1)) N(f(x1)) -> N(x1) N(a(x1)) -> C(x1) ->->-> Rules: c(c(x1)) -> c(x1) c(f(x1)) -> f(n(a(c(x1)))) f(x1) -> n(c(n(a(x1)))) n(f(x1)) -> f(n(x1)) n(a(x1)) -> c(x1) n(s(x1)) -> f(s(s(x1))) Problem 1: Reduction Pair Processor: -> Pairs: C(f(x1)) -> C(x1) C(f(x1)) -> F(n(a(c(x1)))) C(f(x1)) -> N(a(c(x1))) F(x1) -> C(n(a(x1))) F(x1) -> N(c(n(a(x1)))) F(x1) -> N(a(x1)) N(f(x1)) -> F(n(x1)) N(f(x1)) -> N(x1) N(a(x1)) -> C(x1) -> Rules: c(c(x1)) -> c(x1) c(f(x1)) -> f(n(a(c(x1)))) f(x1) -> n(c(n(a(x1)))) n(f(x1)) -> f(n(x1)) n(a(x1)) -> c(x1) n(s(x1)) -> f(s(s(x1))) -> Usable rules: c(c(x1)) -> c(x1) c(f(x1)) -> f(n(a(c(x1)))) f(x1) -> n(c(n(a(x1)))) n(f(x1)) -> f(n(x1)) n(a(x1)) -> c(x1) n(s(x1)) -> f(s(s(x1))) ->Interpretation type: Linear ->Coefficients: Natural Numbers ->Dimension: 2 ->Bound: 1 ->Interpretation: [c](X) = [0 0;0 1].X [f](X) = [1 0;0 1].X + [0;1] [n](X) = [1 0;1 1].X [a](X) = [0 0;0 1].X [s](X) = [1;0] [C](X) = [0 1;0 1].X [F](X) = [0 1;0 1].X + [1;0] [N](X) = [1 1;1 1].X Problem 1: SCC Processor: -> Pairs: C(f(x1)) -> F(n(a(c(x1)))) C(f(x1)) -> N(a(c(x1))) F(x1) -> C(n(a(x1))) F(x1) -> N(c(n(a(x1)))) F(x1) -> N(a(x1)) N(f(x1)) -> F(n(x1)) N(f(x1)) -> N(x1) N(a(x1)) -> C(x1) -> Rules: c(c(x1)) -> c(x1) c(f(x1)) -> f(n(a(c(x1)))) f(x1) -> n(c(n(a(x1)))) n(f(x1)) -> f(n(x1)) n(a(x1)) -> c(x1) n(s(x1)) -> f(s(s(x1))) ->Strongly Connected Components: ->->Cycle: ->->-> Pairs: C(f(x1)) -> F(n(a(c(x1)))) C(f(x1)) -> N(a(c(x1))) F(x1) -> C(n(a(x1))) F(x1) -> N(c(n(a(x1)))) F(x1) -> N(a(x1)) N(f(x1)) -> F(n(x1)) N(f(x1)) -> N(x1) N(a(x1)) -> C(x1) ->->-> Rules: c(c(x1)) -> c(x1) c(f(x1)) -> f(n(a(c(x1)))) f(x1) -> n(c(n(a(x1)))) n(f(x1)) -> f(n(x1)) n(a(x1)) -> c(x1) n(s(x1)) -> f(s(s(x1))) Problem 1: Reduction Pair Processor: -> Pairs: C(f(x1)) -> F(n(a(c(x1)))) C(f(x1)) -> N(a(c(x1))) F(x1) -> C(n(a(x1))) F(x1) -> N(c(n(a(x1)))) F(x1) -> N(a(x1)) N(f(x1)) -> F(n(x1)) N(f(x1)) -> N(x1) N(a(x1)) -> C(x1) -> Rules: c(c(x1)) -> c(x1) c(f(x1)) -> f(n(a(c(x1)))) f(x1) -> n(c(n(a(x1)))) n(f(x1)) -> f(n(x1)) n(a(x1)) -> c(x1) n(s(x1)) -> f(s(s(x1))) -> Usable rules: c(c(x1)) -> c(x1) c(f(x1)) -> f(n(a(c(x1)))) f(x1) -> n(c(n(a(x1)))) n(f(x1)) -> f(n(x1)) n(a(x1)) -> c(x1) n(s(x1)) -> f(s(s(x1))) ->Interpretation type: Linear ->Coefficients: Natural Numbers ->Dimension: 2 ->Bound: 1 ->Interpretation: [c](X) = [1 0;0 0].X [f](X) = [1 0;0 1].X + [1;0] [n](X) = [1 1;0 1].X [a](X) = [1 0;0 0].X [s](X) = [1 0;1 0].X + [0;1] [C](X) = [1 0;0 0].X + [0;1] [F](X) = [1 0;0 1].X + [0;1] [N](X) = [1 1;0 1].X + [0;1] Problem 1: SCC Processor: -> Pairs: C(f(x1)) -> N(a(c(x1))) F(x1) -> C(n(a(x1))) F(x1) -> N(c(n(a(x1)))) F(x1) -> N(a(x1)) N(f(x1)) -> F(n(x1)) N(f(x1)) -> N(x1) N(a(x1)) -> C(x1) -> Rules: c(c(x1)) -> c(x1) c(f(x1)) -> f(n(a(c(x1)))) f(x1) -> n(c(n(a(x1)))) n(f(x1)) -> f(n(x1)) n(a(x1)) -> c(x1) n(s(x1)) -> f(s(s(x1))) ->Strongly Connected Components: ->->Cycle: ->->-> Pairs: C(f(x1)) -> N(a(c(x1))) N(a(x1)) -> C(x1) ->->-> Rules: c(c(x1)) -> c(x1) c(f(x1)) -> f(n(a(c(x1)))) f(x1) -> n(c(n(a(x1)))) n(f(x1)) -> f(n(x1)) n(a(x1)) -> c(x1) n(s(x1)) -> f(s(s(x1))) ->->Cycle: ->->-> Pairs: F(x1) -> N(c(n(a(x1)))) N(f(x1)) -> F(n(x1)) N(f(x1)) -> N(x1) ->->-> Rules: c(c(x1)) -> c(x1) c(f(x1)) -> f(n(a(c(x1)))) f(x1) -> n(c(n(a(x1)))) n(f(x1)) -> f(n(x1)) n(a(x1)) -> c(x1) n(s(x1)) -> f(s(s(x1))) The problem is decomposed in 2 subproblems. Problem 1.1: Reduction Pair Processor: -> Pairs: C(f(x1)) -> N(a(c(x1))) N(a(x1)) -> C(x1) -> Rules: c(c(x1)) -> c(x1) c(f(x1)) -> f(n(a(c(x1)))) f(x1) -> n(c(n(a(x1)))) n(f(x1)) -> f(n(x1)) n(a(x1)) -> c(x1) n(s(x1)) -> f(s(s(x1))) -> Usable rules: c(c(x1)) -> c(x1) c(f(x1)) -> f(n(a(c(x1)))) f(x1) -> n(c(n(a(x1)))) n(f(x1)) -> f(n(x1)) n(a(x1)) -> c(x1) n(s(x1)) -> f(s(s(x1))) ->Interpretation type: Linear ->Coefficients: Natural Numbers ->Dimension: 2 ->Bound: 1 ->Interpretation: [c](X) = [0 0;0 1].X [f](X) = [1 0;0 1].X + [0;1] [n](X) = [1 0;1 1].X [a](X) = [0 0;0 1].X [s](X) = [1;1] [C](X) = [0 1;0 1].X + [1;0] [N](X) = [0 1;1 1].X + [1;1] Problem 1.1: SCC Processor: -> Pairs: N(a(x1)) -> C(x1) -> Rules: c(c(x1)) -> c(x1) c(f(x1)) -> f(n(a(c(x1)))) f(x1) -> n(c(n(a(x1)))) n(f(x1)) -> f(n(x1)) n(a(x1)) -> c(x1) n(s(x1)) -> f(s(s(x1))) ->Strongly Connected Components: There is no strongly connected component The problem is finite. Problem 1.2: Reduction Pair Processor: -> Pairs: F(x1) -> N(c(n(a(x1)))) N(f(x1)) -> F(n(x1)) N(f(x1)) -> N(x1) -> Rules: c(c(x1)) -> c(x1) c(f(x1)) -> f(n(a(c(x1)))) f(x1) -> n(c(n(a(x1)))) n(f(x1)) -> f(n(x1)) n(a(x1)) -> c(x1) n(s(x1)) -> f(s(s(x1))) -> Usable rules: c(c(x1)) -> c(x1) c(f(x1)) -> f(n(a(c(x1)))) f(x1) -> n(c(n(a(x1)))) n(f(x1)) -> f(n(x1)) n(a(x1)) -> c(x1) n(s(x1)) -> f(s(s(x1))) ->Interpretation type: Linear ->Coefficients: Natural Numbers ->Dimension: 2 ->Bound: 1 ->Interpretation: [c](X) = [0 0;0 1].X [f](X) = [1 0;0 1].X + [0;1] [n](X) = [1 0;1 1].X [a](X) = [0 0;0 1].X [s](X) = [1;1] [F](X) = [0 1;0 1].X + [1;1] [N](X) = [1 1;1 1].X + [0;1] Problem 1.2: SCC Processor: -> Pairs: N(f(x1)) -> F(n(x1)) N(f(x1)) -> N(x1) -> Rules: c(c(x1)) -> c(x1) c(f(x1)) -> f(n(a(c(x1)))) f(x1) -> n(c(n(a(x1)))) n(f(x1)) -> f(n(x1)) n(a(x1)) -> c(x1) n(s(x1)) -> f(s(s(x1))) ->Strongly Connected Components: ->->Cycle: ->->-> Pairs: N(f(x1)) -> N(x1) ->->-> Rules: c(c(x1)) -> c(x1) c(f(x1)) -> f(n(a(c(x1)))) f(x1) -> n(c(n(a(x1)))) n(f(x1)) -> f(n(x1)) n(a(x1)) -> c(x1) n(s(x1)) -> f(s(s(x1))) Problem 1.2: Subterm Processor: -> Pairs: N(f(x1)) -> N(x1) -> Rules: c(c(x1)) -> c(x1) c(f(x1)) -> f(n(a(c(x1)))) f(x1) -> n(c(n(a(x1)))) n(f(x1)) -> f(n(x1)) n(a(x1)) -> c(x1) n(s(x1)) -> f(s(s(x1))) ->Projection: pi(N) = 1 Problem 1.2: SCC Processor: -> Pairs: Empty -> Rules: c(c(x1)) -> c(x1) c(f(x1)) -> f(n(a(c(x1)))) f(x1) -> n(c(n(a(x1)))) n(f(x1)) -> f(n(x1)) n(a(x1)) -> c(x1) n(s(x1)) -> f(s(s(x1))) ->Strongly Connected Components: There is no strongly connected component The problem is finite.