/export/starexec/sandbox/solver/bin/starexec_run_default /export/starexec/sandbox/benchmark/theBenchmark.xml /export/starexec/sandbox/output/output_files -------------------------------------------------------------------------------- YES Problem 1: (VAR x y) (RULES -(0,s(y)) -> 0 -(s(x),s(y)) -> -(x,y) -(x,0) -> x f(0) -> 0 f(s(x)) -> -(s(x),g(f(x))) g(0) -> s(0) g(s(x)) -> -(s(x),f(g(x))) ) Problem 1: Innermost Equivalent Processor: -> Rules: -(0,s(y)) -> 0 -(s(x),s(y)) -> -(x,y) -(x,0) -> x f(0) -> 0 f(s(x)) -> -(s(x),g(f(x))) g(0) -> s(0) g(s(x)) -> -(s(x),f(g(x))) -> The term rewriting system is non-overlaping or locally confluent overlay system. Therefore, innermost termination implies termination. Problem 1: Dependency Pairs Processor: -> Pairs: -#(s(x),s(y)) -> -#(x,y) F(s(x)) -> -#(s(x),g(f(x))) F(s(x)) -> F(x) F(s(x)) -> G(f(x)) G(s(x)) -> -#(s(x),f(g(x))) G(s(x)) -> F(g(x)) G(s(x)) -> G(x) -> Rules: -(0,s(y)) -> 0 -(s(x),s(y)) -> -(x,y) -(x,0) -> x f(0) -> 0 f(s(x)) -> -(s(x),g(f(x))) g(0) -> s(0) g(s(x)) -> -(s(x),f(g(x))) Problem 1: SCC Processor: -> Pairs: -#(s(x),s(y)) -> -#(x,y) F(s(x)) -> -#(s(x),g(f(x))) F(s(x)) -> F(x) F(s(x)) -> G(f(x)) G(s(x)) -> -#(s(x),f(g(x))) G(s(x)) -> F(g(x)) G(s(x)) -> G(x) -> Rules: -(0,s(y)) -> 0 -(s(x),s(y)) -> -(x,y) -(x,0) -> x f(0) -> 0 f(s(x)) -> -(s(x),g(f(x))) g(0) -> s(0) g(s(x)) -> -(s(x),f(g(x))) ->Strongly Connected Components: ->->Cycle: ->->-> Pairs: -#(s(x),s(y)) -> -#(x,y) ->->-> Rules: -(0,s(y)) -> 0 -(s(x),s(y)) -> -(x,y) -(x,0) -> x f(0) -> 0 f(s(x)) -> -(s(x),g(f(x))) g(0) -> s(0) g(s(x)) -> -(s(x),f(g(x))) ->->Cycle: ->->-> Pairs: F(s(x)) -> F(x) F(s(x)) -> G(f(x)) G(s(x)) -> F(g(x)) G(s(x)) -> G(x) ->->-> Rules: -(0,s(y)) -> 0 -(s(x),s(y)) -> -(x,y) -(x,0) -> x f(0) -> 0 f(s(x)) -> -(s(x),g(f(x))) g(0) -> s(0) g(s(x)) -> -(s(x),f(g(x))) The problem is decomposed in 2 subproblems. Problem 1.1: Subterm Processor: -> Pairs: -#(s(x),s(y)) -> -#(x,y) -> Rules: -(0,s(y)) -> 0 -(s(x),s(y)) -> -(x,y) -(x,0) -> x f(0) -> 0 f(s(x)) -> -(s(x),g(f(x))) g(0) -> s(0) g(s(x)) -> -(s(x),f(g(x))) ->Projection: pi(-#) = 1 Problem 1.1: SCC Processor: -> Pairs: Empty -> Rules: -(0,s(y)) -> 0 -(s(x),s(y)) -> -(x,y) -(x,0) -> x f(0) -> 0 f(s(x)) -> -(s(x),g(f(x))) g(0) -> s(0) g(s(x)) -> -(s(x),f(g(x))) ->Strongly Connected Components: There is no strongly connected component The problem is finite. Problem 1.2: Reduction Pairs Processor: -> Pairs: F(s(x)) -> F(x) F(s(x)) -> G(f(x)) G(s(x)) -> F(g(x)) G(s(x)) -> G(x) -> Rules: -(0,s(y)) -> 0 -(s(x),s(y)) -> -(x,y) -(x,0) -> x f(0) -> 0 f(s(x)) -> -(s(x),g(f(x))) g(0) -> s(0) g(s(x)) -> -(s(x),f(g(x))) -> Usable rules: -(0,s(y)) -> 0 -(s(x),s(y)) -> -(x,y) -(x,0) -> x f(0) -> 0 f(s(x)) -> -(s(x),g(f(x))) g(0) -> s(0) g(s(x)) -> -(s(x),f(g(x))) ->Interpretation type: Linear ->Coefficients: Natural Numbers ->Dimension: 1 ->Bound: 2 ->Interpretation: [-](X1,X2) = X1 + 2 [f](X) = 2.X [g](X) = 2.X + 2 [0] = 1 [s](X) = 2.X + 2 [F](X) = 2.X + 2 [G](X) = 2.X + 2 Problem 1.2: SCC Processor: -> Pairs: F(s(x)) -> G(f(x)) G(s(x)) -> F(g(x)) G(s(x)) -> G(x) -> Rules: -(0,s(y)) -> 0 -(s(x),s(y)) -> -(x,y) -(x,0) -> x f(0) -> 0 f(s(x)) -> -(s(x),g(f(x))) g(0) -> s(0) g(s(x)) -> -(s(x),f(g(x))) ->Strongly Connected Components: ->->Cycle: ->->-> Pairs: F(s(x)) -> G(f(x)) G(s(x)) -> F(g(x)) G(s(x)) -> G(x) ->->-> Rules: -(0,s(y)) -> 0 -(s(x),s(y)) -> -(x,y) -(x,0) -> x f(0) -> 0 f(s(x)) -> -(s(x),g(f(x))) g(0) -> s(0) g(s(x)) -> -(s(x),f(g(x))) Problem 1.2: Reduction Pairs Processor: -> Pairs: F(s(x)) -> G(f(x)) G(s(x)) -> F(g(x)) G(s(x)) -> G(x) -> Rules: -(0,s(y)) -> 0 -(s(x),s(y)) -> -(x,y) -(x,0) -> x f(0) -> 0 f(s(x)) -> -(s(x),g(f(x))) g(0) -> s(0) g(s(x)) -> -(s(x),f(g(x))) -> Usable rules: -(0,s(y)) -> 0 -(s(x),s(y)) -> -(x,y) -(x,0) -> x f(0) -> 0 f(s(x)) -> -(s(x),g(f(x))) g(0) -> s(0) g(s(x)) -> -(s(x),f(g(x))) ->Interpretation type: Linear ->Coefficients: Natural Numbers ->Dimension: 1 ->Bound: 2 ->Interpretation: [-](X1,X2) = X1 [f](X) = X [g](X) = X + 2 [0] = 0 [s](X) = 2.X + 2 [F](X) = X + 2 [G](X) = 2.X + 2 Problem 1.2: SCC Processor: -> Pairs: G(s(x)) -> F(g(x)) G(s(x)) -> G(x) -> Rules: -(0,s(y)) -> 0 -(s(x),s(y)) -> -(x,y) -(x,0) -> x f(0) -> 0 f(s(x)) -> -(s(x),g(f(x))) g(0) -> s(0) g(s(x)) -> -(s(x),f(g(x))) ->Strongly Connected Components: ->->Cycle: ->->-> Pairs: G(s(x)) -> G(x) ->->-> Rules: -(0,s(y)) -> 0 -(s(x),s(y)) -> -(x,y) -(x,0) -> x f(0) -> 0 f(s(x)) -> -(s(x),g(f(x))) g(0) -> s(0) g(s(x)) -> -(s(x),f(g(x))) Problem 1.2: Subterm Processor: -> Pairs: G(s(x)) -> G(x) -> Rules: -(0,s(y)) -> 0 -(s(x),s(y)) -> -(x,y) -(x,0) -> x f(0) -> 0 f(s(x)) -> -(s(x),g(f(x))) g(0) -> s(0) g(s(x)) -> -(s(x),f(g(x))) ->Projection: pi(G) = 1 Problem 1.2: SCC Processor: -> Pairs: Empty -> Rules: -(0,s(y)) -> 0 -(s(x),s(y)) -> -(x,y) -(x,0) -> x f(0) -> 0 f(s(x)) -> -(s(x),g(f(x))) g(0) -> s(0) g(s(x)) -> -(s(x),f(g(x))) ->Strongly Connected Components: There is no strongly connected component The problem is finite.