/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 if(false,x,y) -> y if(true,x,y) -> x le(0,y) -> true le(s(x),0) -> false le(s(x),s(y)) -> le(x,y) minus(x,0) -> x minus(x,s(y)) -> if(le(x,s(y)),0,p(minus(x,p(s(y))))) p(0) -> 0 p(s(x)) -> x ) Problem 1: Innermost Equivalent Processor: -> Rules: if(false,x,y) -> y if(true,x,y) -> x le(0,y) -> true le(s(x),0) -> false le(s(x),s(y)) -> le(x,y) minus(x,0) -> x minus(x,s(y)) -> if(le(x,s(y)),0,p(minus(x,p(s(y))))) p(0) -> 0 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: LE(s(x),s(y)) -> LE(x,y) MINUS(x,s(y)) -> IF(le(x,s(y)),0,p(minus(x,p(s(y))))) MINUS(x,s(y)) -> LE(x,s(y)) MINUS(x,s(y)) -> MINUS(x,p(s(y))) MINUS(x,s(y)) -> P(minus(x,p(s(y)))) MINUS(x,s(y)) -> P(s(y)) -> Rules: if(false,x,y) -> y if(true,x,y) -> x le(0,y) -> true le(s(x),0) -> false le(s(x),s(y)) -> le(x,y) minus(x,0) -> x minus(x,s(y)) -> if(le(x,s(y)),0,p(minus(x,p(s(y))))) p(0) -> 0 p(s(x)) -> x Problem 1: SCC Processor: -> Pairs: LE(s(x),s(y)) -> LE(x,y) MINUS(x,s(y)) -> IF(le(x,s(y)),0,p(minus(x,p(s(y))))) MINUS(x,s(y)) -> LE(x,s(y)) MINUS(x,s(y)) -> MINUS(x,p(s(y))) MINUS(x,s(y)) -> P(minus(x,p(s(y)))) MINUS(x,s(y)) -> P(s(y)) -> Rules: if(false,x,y) -> y if(true,x,y) -> x le(0,y) -> true le(s(x),0) -> false le(s(x),s(y)) -> le(x,y) minus(x,0) -> x minus(x,s(y)) -> if(le(x,s(y)),0,p(minus(x,p(s(y))))) p(0) -> 0 p(s(x)) -> x ->Strongly Connected Components: ->->Cycle: ->->-> Pairs: LE(s(x),s(y)) -> LE(x,y) ->->-> Rules: if(false,x,y) -> y if(true,x,y) -> x le(0,y) -> true le(s(x),0) -> false le(s(x),s(y)) -> le(x,y) minus(x,0) -> x minus(x,s(y)) -> if(le(x,s(y)),0,p(minus(x,p(s(y))))) p(0) -> 0 p(s(x)) -> x ->->Cycle: ->->-> Pairs: MINUS(x,s(y)) -> MINUS(x,p(s(y))) ->->-> Rules: if(false,x,y) -> y if(true,x,y) -> x le(0,y) -> true le(s(x),0) -> false le(s(x),s(y)) -> le(x,y) minus(x,0) -> x minus(x,s(y)) -> if(le(x,s(y)),0,p(minus(x,p(s(y))))) p(0) -> 0 p(s(x)) -> x The problem is decomposed in 2 subproblems. Problem 1.1: Subterm Processor: -> Pairs: LE(s(x),s(y)) -> LE(x,y) -> Rules: if(false,x,y) -> y if(true,x,y) -> x le(0,y) -> true le(s(x),0) -> false le(s(x),s(y)) -> le(x,y) minus(x,0) -> x minus(x,s(y)) -> if(le(x,s(y)),0,p(minus(x,p(s(y))))) p(0) -> 0 p(s(x)) -> x ->Projection: pi(LE) = 1 Problem 1.1: SCC Processor: -> Pairs: Empty -> Rules: if(false,x,y) -> y if(true,x,y) -> x le(0,y) -> true le(s(x),0) -> false le(s(x),s(y)) -> le(x,y) minus(x,0) -> x minus(x,s(y)) -> if(le(x,s(y)),0,p(minus(x,p(s(y))))) p(0) -> 0 p(s(x)) -> x ->Strongly Connected Components: There is no strongly connected component The problem is finite. Problem 1.2: Reduction Pairs Processor: -> Pairs: MINUS(x,s(y)) -> MINUS(x,p(s(y))) -> Rules: if(false,x,y) -> y if(true,x,y) -> x le(0,y) -> true le(s(x),0) -> false le(s(x),s(y)) -> le(x,y) minus(x,0) -> x minus(x,s(y)) -> if(le(x,s(y)),0,p(minus(x,p(s(y))))) p(0) -> 0 p(s(x)) -> x -> Usable rules: p(0) -> 0 p(s(x)) -> x ->Interpretation type: Linear ->Coefficients: All rationals ->Dimension: 1 ->Bound: 2 ->Interpretation: [p](X) = 1/2.X + 1/2 [0] = 1/2 [s](X) = 2.X + 2 [MINUS](X1,X2) = 2.X2 Problem 1.2: SCC Processor: -> Pairs: Empty -> Rules: if(false,x,y) -> y if(true,x,y) -> x le(0,y) -> true le(s(x),0) -> false le(s(x),s(y)) -> le(x,y) minus(x,0) -> x minus(x,s(y)) -> if(le(x,s(y)),0,p(minus(x,p(s(y))))) p(0) -> 0 p(s(x)) -> x ->Strongly Connected Components: There is no strongly connected component The problem is finite.