/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 div(0,s(Y)) -> 0 div(s(X),s(Y)) -> if(geq(X,Y),s(div(minus(X,Y),s(Y))),0) geq(0,s(Y)) -> false geq(s(X),s(Y)) -> geq(X,Y) geq(X,0) -> true if(false,X,Y) -> Y if(true,X,Y) -> X minus(0,Y) -> 0 minus(s(X),s(Y)) -> minus(X,Y) ) Problem 1: Innermost Equivalent Processor: -> Rules: div(0,s(Y)) -> 0 div(s(X),s(Y)) -> if(geq(X,Y),s(div(minus(X,Y),s(Y))),0) geq(0,s(Y)) -> false geq(s(X),s(Y)) -> geq(X,Y) geq(X,0) -> true if(false,X,Y) -> Y if(true,X,Y) -> X minus(0,Y) -> 0 minus(s(X),s(Y)) -> minus(X,Y) -> The term rewriting system is non-overlaping or locally confluent overlay system. Therefore, innermost termination implies termination. Problem 1: Dependency Pairs Processor: -> Pairs: DIV(s(X),s(Y)) -> DIV(minus(X,Y),s(Y)) DIV(s(X),s(Y)) -> GEQ(X,Y) DIV(s(X),s(Y)) -> IF(geq(X,Y),s(div(minus(X,Y),s(Y))),0) DIV(s(X),s(Y)) -> MINUS(X,Y) GEQ(s(X),s(Y)) -> GEQ(X,Y) MINUS(s(X),s(Y)) -> MINUS(X,Y) -> Rules: div(0,s(Y)) -> 0 div(s(X),s(Y)) -> if(geq(X,Y),s(div(minus(X,Y),s(Y))),0) geq(0,s(Y)) -> false geq(s(X),s(Y)) -> geq(X,Y) geq(X,0) -> true if(false,X,Y) -> Y if(true,X,Y) -> X minus(0,Y) -> 0 minus(s(X),s(Y)) -> minus(X,Y) Problem 1: SCC Processor: -> Pairs: DIV(s(X),s(Y)) -> DIV(minus(X,Y),s(Y)) DIV(s(X),s(Y)) -> GEQ(X,Y) DIV(s(X),s(Y)) -> IF(geq(X,Y),s(div(minus(X,Y),s(Y))),0) DIV(s(X),s(Y)) -> MINUS(X,Y) GEQ(s(X),s(Y)) -> GEQ(X,Y) MINUS(s(X),s(Y)) -> MINUS(X,Y) -> Rules: div(0,s(Y)) -> 0 div(s(X),s(Y)) -> if(geq(X,Y),s(div(minus(X,Y),s(Y))),0) geq(0,s(Y)) -> false geq(s(X),s(Y)) -> geq(X,Y) geq(X,0) -> true if(false,X,Y) -> Y if(true,X,Y) -> X minus(0,Y) -> 0 minus(s(X),s(Y)) -> minus(X,Y) ->Strongly Connected Components: ->->Cycle: ->->-> Pairs: MINUS(s(X),s(Y)) -> MINUS(X,Y) ->->-> Rules: div(0,s(Y)) -> 0 div(s(X),s(Y)) -> if(geq(X,Y),s(div(minus(X,Y),s(Y))),0) geq(0,s(Y)) -> false geq(s(X),s(Y)) -> geq(X,Y) geq(X,0) -> true if(false,X,Y) -> Y if(true,X,Y) -> X minus(0,Y) -> 0 minus(s(X),s(Y)) -> minus(X,Y) ->->Cycle: ->->-> Pairs: GEQ(s(X),s(Y)) -> GEQ(X,Y) ->->-> Rules: div(0,s(Y)) -> 0 div(s(X),s(Y)) -> if(geq(X,Y),s(div(minus(X,Y),s(Y))),0) geq(0,s(Y)) -> false geq(s(X),s(Y)) -> geq(X,Y) geq(X,0) -> true if(false,X,Y) -> Y if(true,X,Y) -> X minus(0,Y) -> 0 minus(s(X),s(Y)) -> minus(X,Y) ->->Cycle: ->->-> Pairs: DIV(s(X),s(Y)) -> DIV(minus(X,Y),s(Y)) ->->-> Rules: div(0,s(Y)) -> 0 div(s(X),s(Y)) -> if(geq(X,Y),s(div(minus(X,Y),s(Y))),0) geq(0,s(Y)) -> false geq(s(X),s(Y)) -> geq(X,Y) geq(X,0) -> true if(false,X,Y) -> Y if(true,X,Y) -> X minus(0,Y) -> 0 minus(s(X),s(Y)) -> minus(X,Y) The problem is decomposed in 3 subproblems. Problem 1.1: Subterm Processor: -> Pairs: MINUS(s(X),s(Y)) -> MINUS(X,Y) -> Rules: div(0,s(Y)) -> 0 div(s(X),s(Y)) -> if(geq(X,Y),s(div(minus(X,Y),s(Y))),0) geq(0,s(Y)) -> false geq(s(X),s(Y)) -> geq(X,Y) geq(X,0) -> true if(false,X,Y) -> Y if(true,X,Y) -> X minus(0,Y) -> 0 minus(s(X),s(Y)) -> minus(X,Y) ->Projection: pi(MINUS) = 1 Problem 1.1: SCC Processor: -> Pairs: Empty -> Rules: div(0,s(Y)) -> 0 div(s(X),s(Y)) -> if(geq(X,Y),s(div(minus(X,Y),s(Y))),0) geq(0,s(Y)) -> false geq(s(X),s(Y)) -> geq(X,Y) geq(X,0) -> true if(false,X,Y) -> Y if(true,X,Y) -> X minus(0,Y) -> 0 minus(s(X),s(Y)) -> minus(X,Y) ->Strongly Connected Components: There is no strongly connected component The problem is finite. Problem 1.2: Subterm Processor: -> Pairs: GEQ(s(X),s(Y)) -> GEQ(X,Y) -> Rules: div(0,s(Y)) -> 0 div(s(X),s(Y)) -> if(geq(X,Y),s(div(minus(X,Y),s(Y))),0) geq(0,s(Y)) -> false geq(s(X),s(Y)) -> geq(X,Y) geq(X,0) -> true if(false,X,Y) -> Y if(true,X,Y) -> X minus(0,Y) -> 0 minus(s(X),s(Y)) -> minus(X,Y) ->Projection: pi(GEQ) = 1 Problem 1.2: SCC Processor: -> Pairs: Empty -> Rules: div(0,s(Y)) -> 0 div(s(X),s(Y)) -> if(geq(X,Y),s(div(minus(X,Y),s(Y))),0) geq(0,s(Y)) -> false geq(s(X),s(Y)) -> geq(X,Y) geq(X,0) -> true if(false,X,Y) -> Y if(true,X,Y) -> X minus(0,Y) -> 0 minus(s(X),s(Y)) -> minus(X,Y) ->Strongly Connected Components: There is no strongly connected component The problem is finite. Problem 1.3: Reduction Pairs Processor: -> Pairs: DIV(s(X),s(Y)) -> DIV(minus(X,Y),s(Y)) -> Rules: div(0,s(Y)) -> 0 div(s(X),s(Y)) -> if(geq(X,Y),s(div(minus(X,Y),s(Y))),0) geq(0,s(Y)) -> false geq(s(X),s(Y)) -> geq(X,Y) geq(X,0) -> true if(false,X,Y) -> Y if(true,X,Y) -> X minus(0,Y) -> 0 minus(s(X),s(Y)) -> minus(X,Y) -> Usable rules: minus(0,Y) -> 0 minus(s(X),s(Y)) -> minus(X,Y) ->Interpretation type: Linear ->Coefficients: Natural Numbers ->Dimension: 1 ->Bound: 2 ->Interpretation: [minus](X1,X2) = 1 [0] = 0 [s](X) = 2 [DIV](X1,X2) = 2.X1 Problem 1.3: SCC Processor: -> Pairs: Empty -> Rules: div(0,s(Y)) -> 0 div(s(X),s(Y)) -> if(geq(X,Y),s(div(minus(X,Y),s(Y))),0) geq(0,s(Y)) -> false geq(s(X),s(Y)) -> geq(X,Y) geq(X,0) -> true if(false,X,Y) -> Y if(true,X,Y) -> X minus(0,Y) -> 0 minus(s(X),s(Y)) -> minus(X,Y) ->Strongly Connected Components: There is no strongly connected component The problem is finite.