/export/starexec/sandbox2/solver/bin/starexec_run_default /export/starexec/sandbox2/benchmark/theBenchmark.xml /export/starexec/sandbox2/output/output_files -------------------------------------------------------------------------------- YES Problem 1: (VAR x y) (RULES -(s(x),s(y)) -> -(x,y) -(x,0) -> x f(s(x),y) -> f(p(-(s(x),y)),p(-(y,s(x)))) f(x,s(y)) -> f(p(-(x,s(y))),p(-(s(y),x))) p(s(x)) -> x ) Problem 1: Innermost Equivalent Processor: -> Rules: -(s(x),s(y)) -> -(x,y) -(x,0) -> x f(s(x),y) -> f(p(-(s(x),y)),p(-(y,s(x)))) f(x,s(y)) -> f(p(-(x,s(y))),p(-(s(y),x))) p(s(x)) -> 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),y) -> -#(s(x),y) F(s(x),y) -> -#(y,s(x)) F(s(x),y) -> F(p(-(s(x),y)),p(-(y,s(x)))) F(s(x),y) -> P(-(s(x),y)) F(s(x),y) -> P(-(y,s(x))) F(x,s(y)) -> -#(s(y),x) F(x,s(y)) -> -#(x,s(y)) F(x,s(y)) -> F(p(-(x,s(y))),p(-(s(y),x))) F(x,s(y)) -> P(-(s(y),x)) F(x,s(y)) -> P(-(x,s(y))) -> Rules: -(s(x),s(y)) -> -(x,y) -(x,0) -> x f(s(x),y) -> f(p(-(s(x),y)),p(-(y,s(x)))) f(x,s(y)) -> f(p(-(x,s(y))),p(-(s(y),x))) p(s(x)) -> x Problem 1: SCC Processor: -> Pairs: -#(s(x),s(y)) -> -#(x,y) F(s(x),y) -> -#(s(x),y) F(s(x),y) -> -#(y,s(x)) F(s(x),y) -> F(p(-(s(x),y)),p(-(y,s(x)))) F(s(x),y) -> P(-(s(x),y)) F(s(x),y) -> P(-(y,s(x))) F(x,s(y)) -> -#(s(y),x) F(x,s(y)) -> -#(x,s(y)) F(x,s(y)) -> F(p(-(x,s(y))),p(-(s(y),x))) F(x,s(y)) -> P(-(s(y),x)) F(x,s(y)) -> P(-(x,s(y))) -> Rules: -(s(x),s(y)) -> -(x,y) -(x,0) -> x f(s(x),y) -> f(p(-(s(x),y)),p(-(y,s(x)))) f(x,s(y)) -> f(p(-(x,s(y))),p(-(s(y),x))) p(s(x)) -> x ->Strongly Connected Components: ->->Cycle: ->->-> Pairs: -#(s(x),s(y)) -> -#(x,y) ->->-> Rules: -(s(x),s(y)) -> -(x,y) -(x,0) -> x f(s(x),y) -> f(p(-(s(x),y)),p(-(y,s(x)))) f(x,s(y)) -> f(p(-(x,s(y))),p(-(s(y),x))) p(s(x)) -> x ->->Cycle: ->->-> Pairs: F(s(x),y) -> F(p(-(s(x),y)),p(-(y,s(x)))) F(x,s(y)) -> F(p(-(x,s(y))),p(-(s(y),x))) ->->-> Rules: -(s(x),s(y)) -> -(x,y) -(x,0) -> x f(s(x),y) -> f(p(-(s(x),y)),p(-(y,s(x)))) f(x,s(y)) -> f(p(-(x,s(y))),p(-(s(y),x))) p(s(x)) -> x The problem is decomposed in 2 subproblems. Problem 1.1: Subterm Processor: -> Pairs: -#(s(x),s(y)) -> -#(x,y) -> Rules: -(s(x),s(y)) -> -(x,y) -(x,0) -> x f(s(x),y) -> f(p(-(s(x),y)),p(-(y,s(x)))) f(x,s(y)) -> f(p(-(x,s(y))),p(-(s(y),x))) p(s(x)) -> x ->Projection: pi(-#) = 1 Problem 1.1: SCC Processor: -> Pairs: Empty -> Rules: -(s(x),s(y)) -> -(x,y) -(x,0) -> x f(s(x),y) -> f(p(-(s(x),y)),p(-(y,s(x)))) f(x,s(y)) -> f(p(-(x,s(y))),p(-(s(y),x))) p(s(x)) -> x ->Strongly Connected Components: There is no strongly connected component The problem is finite. Problem 1.2: Reduction Pairs Processor: -> Pairs: F(s(x),y) -> F(p(-(s(x),y)),p(-(y,s(x)))) F(x,s(y)) -> F(p(-(x,s(y))),p(-(s(y),x))) -> Rules: -(s(x),s(y)) -> -(x,y) -(x,0) -> x f(s(x),y) -> f(p(-(s(x),y)),p(-(y,s(x)))) f(x,s(y)) -> f(p(-(x,s(y))),p(-(s(y),x))) p(s(x)) -> x -> Usable rules: -(s(x),s(y)) -> -(x,y) -(x,0) -> x p(s(x)) -> x ->Interpretation type: Linear ->Coefficients: All rationals ->Dimension: 1 ->Bound: 2 ->Interpretation: [-](X1,X2) = X1 + 1/2.X2 [p](X) = 1/2.X [0] = 0 [s](X) = 2.X + 1 [F](X1,X2) = 1/2.X1 + 1/2.X2 Problem 1.2: SCC Processor: -> Pairs: F(x,s(y)) -> F(p(-(x,s(y))),p(-(s(y),x))) -> Rules: -(s(x),s(y)) -> -(x,y) -(x,0) -> x f(s(x),y) -> f(p(-(s(x),y)),p(-(y,s(x)))) f(x,s(y)) -> f(p(-(x,s(y))),p(-(s(y),x))) p(s(x)) -> x ->Strongly Connected Components: ->->Cycle: ->->-> Pairs: F(x,s(y)) -> F(p(-(x,s(y))),p(-(s(y),x))) ->->-> Rules: -(s(x),s(y)) -> -(x,y) -(x,0) -> x f(s(x),y) -> f(p(-(s(x),y)),p(-(y,s(x)))) f(x,s(y)) -> f(p(-(x,s(y))),p(-(s(y),x))) p(s(x)) -> x Problem 1.2: Reduction Pairs Processor: -> Pairs: F(x,s(y)) -> F(p(-(x,s(y))),p(-(s(y),x))) -> Rules: -(s(x),s(y)) -> -(x,y) -(x,0) -> x f(s(x),y) -> f(p(-(s(x),y)),p(-(y,s(x)))) f(x,s(y)) -> f(p(-(x,s(y))),p(-(s(y),x))) p(s(x)) -> x -> Usable rules: -(s(x),s(y)) -> -(x,y) -(x,0) -> x p(s(x)) -> x ->Interpretation type: Linear ->Coefficients: All rationals ->Dimension: 1 ->Bound: 2 ->Interpretation: [-](X1,X2) = X1 [p](X) = 1/2.X [0] = 0 [s](X) = 2.X + 1 [F](X1,X2) = 2.X1 + X2 Problem 1.2: SCC Processor: -> Pairs: Empty -> Rules: -(s(x),s(y)) -> -(x,y) -(x,0) -> x f(s(x),y) -> f(p(-(s(x),y)),p(-(y,s(x)))) f(x,s(y)) -> f(p(-(x,s(y))),p(-(s(y),x))) p(s(x)) -> x ->Strongly Connected Components: There is no strongly connected component The problem is finite.