/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 *(0,y) -> 0 *(s(x),y) -> +(*(x,y),y) +(x,0) -> x +(x,s(y)) -> s(+(x,y)) fact(0) -> s(0) fact(s(x)) -> *(s(x),fact(p(s(x)))) p(s(x)) -> x ) Problem 1: Innermost Equivalent Processor: -> Rules: *(0,y) -> 0 *(s(x),y) -> +(*(x,y),y) +(x,0) -> x +(x,s(y)) -> s(+(x,y)) fact(0) -> s(0) fact(s(x)) -> *(s(x),fact(p(s(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),y) -> *#(x,y) *#(s(x),y) -> +#(*(x,y),y) +#(x,s(y)) -> +#(x,y) FACT(s(x)) -> *#(s(x),fact(p(s(x)))) FACT(s(x)) -> FACT(p(s(x))) FACT(s(x)) -> P(s(x)) -> Rules: *(0,y) -> 0 *(s(x),y) -> +(*(x,y),y) +(x,0) -> x +(x,s(y)) -> s(+(x,y)) fact(0) -> s(0) fact(s(x)) -> *(s(x),fact(p(s(x)))) p(s(x)) -> x Problem 1: SCC Processor: -> Pairs: *#(s(x),y) -> *#(x,y) *#(s(x),y) -> +#(*(x,y),y) +#(x,s(y)) -> +#(x,y) FACT(s(x)) -> *#(s(x),fact(p(s(x)))) FACT(s(x)) -> FACT(p(s(x))) FACT(s(x)) -> P(s(x)) -> Rules: *(0,y) -> 0 *(s(x),y) -> +(*(x,y),y) +(x,0) -> x +(x,s(y)) -> s(+(x,y)) fact(0) -> s(0) fact(s(x)) -> *(s(x),fact(p(s(x)))) p(s(x)) -> x ->Strongly Connected Components: ->->Cycle: ->->-> Pairs: +#(x,s(y)) -> +#(x,y) ->->-> Rules: *(0,y) -> 0 *(s(x),y) -> +(*(x,y),y) +(x,0) -> x +(x,s(y)) -> s(+(x,y)) fact(0) -> s(0) fact(s(x)) -> *(s(x),fact(p(s(x)))) p(s(x)) -> x ->->Cycle: ->->-> Pairs: *#(s(x),y) -> *#(x,y) ->->-> Rules: *(0,y) -> 0 *(s(x),y) -> +(*(x,y),y) +(x,0) -> x +(x,s(y)) -> s(+(x,y)) fact(0) -> s(0) fact(s(x)) -> *(s(x),fact(p(s(x)))) p(s(x)) -> x ->->Cycle: ->->-> Pairs: FACT(s(x)) -> FACT(p(s(x))) ->->-> Rules: *(0,y) -> 0 *(s(x),y) -> +(*(x,y),y) +(x,0) -> x +(x,s(y)) -> s(+(x,y)) fact(0) -> s(0) fact(s(x)) -> *(s(x),fact(p(s(x)))) p(s(x)) -> x The problem is decomposed in 3 subproblems. Problem 1.1: Subterm Processor: -> Pairs: +#(x,s(y)) -> +#(x,y) -> Rules: *(0,y) -> 0 *(s(x),y) -> +(*(x,y),y) +(x,0) -> x +(x,s(y)) -> s(+(x,y)) fact(0) -> s(0) fact(s(x)) -> *(s(x),fact(p(s(x)))) p(s(x)) -> x ->Projection: pi(+#) = 2 Problem 1.1: SCC Processor: -> Pairs: Empty -> Rules: *(0,y) -> 0 *(s(x),y) -> +(*(x,y),y) +(x,0) -> x +(x,s(y)) -> s(+(x,y)) fact(0) -> s(0) fact(s(x)) -> *(s(x),fact(p(s(x)))) p(s(x)) -> x ->Strongly Connected Components: There is no strongly connected component The problem is finite. Problem 1.2: Subterm Processor: -> Pairs: *#(s(x),y) -> *#(x,y) -> Rules: *(0,y) -> 0 *(s(x),y) -> +(*(x,y),y) +(x,0) -> x +(x,s(y)) -> s(+(x,y)) fact(0) -> s(0) fact(s(x)) -> *(s(x),fact(p(s(x)))) p(s(x)) -> x ->Projection: pi(*#) = 1 Problem 1.2: SCC Processor: -> Pairs: Empty -> Rules: *(0,y) -> 0 *(s(x),y) -> +(*(x,y),y) +(x,0) -> x +(x,s(y)) -> s(+(x,y)) fact(0) -> s(0) fact(s(x)) -> *(s(x),fact(p(s(x)))) p(s(x)) -> x ->Strongly Connected Components: There is no strongly connected component The problem is finite. Problem 1.3: Reduction Pairs Processor: -> Pairs: FACT(s(x)) -> FACT(p(s(x))) -> Rules: *(0,y) -> 0 *(s(x),y) -> +(*(x,y),y) +(x,0) -> x +(x,s(y)) -> s(+(x,y)) fact(0) -> s(0) fact(s(x)) -> *(s(x),fact(p(s(x)))) p(s(x)) -> x -> Usable rules: p(s(x)) -> x ->Interpretation type: Linear ->Coefficients: All rationals ->Dimension: 1 ->Bound: 2 ->Interpretation: [p](X) = 1/2.X [s](X) = 2.X + 1/2 [FACT](X) = 2.X Problem 1.3: SCC Processor: -> Pairs: Empty -> Rules: *(0,y) -> 0 *(s(x),y) -> +(*(x,y),y) +(x,0) -> x +(x,s(y)) -> s(+(x,y)) fact(0) -> s(0) fact(s(x)) -> *(s(x),fact(p(s(x)))) p(s(x)) -> x ->Strongly Connected Components: There is no strongly connected component The problem is finite.