/export/starexec/sandbox/solver/bin/starexec_run_default /export/starexec/sandbox/benchmark/theBenchmark.xml /export/starexec/sandbox/output/output_files -------------------------------------------------------------------------------- YES Problem 1: (VAR v_NonEmpty:S x:S y:S) (RULES +(x:S,0) -> x:S +(x:S,s(y:S)) -> s(+(x:S,y:S)) fib(0) -> 0 fib(s(0)) -> s(0) fib(s(s(x:S))) -> +(fib(s(x:S)),fib(x:S)) ) Problem 1: Innermost Equivalent Processor: -> Rules: +(x:S,0) -> x:S +(x:S,s(y:S)) -> s(+(x:S,y:S)) fib(0) -> 0 fib(s(0)) -> s(0) fib(s(s(x:S))) -> +(fib(s(x:S)),fib(x:S)) -> The term rewriting system is non-overlaping or locally confluent overlay system. Therefore, innermost termination implies termination. Problem 1: Dependency Pairs Processor: -> Pairs: +#(x:S,s(y:S)) -> +#(x:S,y:S) FIB(s(s(x:S))) -> +#(fib(s(x:S)),fib(x:S)) FIB(s(s(x:S))) -> FIB(s(x:S)) FIB(s(s(x:S))) -> FIB(x:S) -> Rules: +(x:S,0) -> x:S +(x:S,s(y:S)) -> s(+(x:S,y:S)) fib(0) -> 0 fib(s(0)) -> s(0) fib(s(s(x:S))) -> +(fib(s(x:S)),fib(x:S)) Problem 1: SCC Processor: -> Pairs: +#(x:S,s(y:S)) -> +#(x:S,y:S) FIB(s(s(x:S))) -> +#(fib(s(x:S)),fib(x:S)) FIB(s(s(x:S))) -> FIB(s(x:S)) FIB(s(s(x:S))) -> FIB(x:S) -> Rules: +(x:S,0) -> x:S +(x:S,s(y:S)) -> s(+(x:S,y:S)) fib(0) -> 0 fib(s(0)) -> s(0) fib(s(s(x:S))) -> +(fib(s(x:S)),fib(x:S)) ->Strongly Connected Components: ->->Cycle: ->->-> Pairs: +#(x:S,s(y:S)) -> +#(x:S,y:S) ->->-> Rules: +(x:S,0) -> x:S +(x:S,s(y:S)) -> s(+(x:S,y:S)) fib(0) -> 0 fib(s(0)) -> s(0) fib(s(s(x:S))) -> +(fib(s(x:S)),fib(x:S)) ->->Cycle: ->->-> Pairs: FIB(s(s(x:S))) -> FIB(s(x:S)) FIB(s(s(x:S))) -> FIB(x:S) ->->-> Rules: +(x:S,0) -> x:S +(x:S,s(y:S)) -> s(+(x:S,y:S)) fib(0) -> 0 fib(s(0)) -> s(0) fib(s(s(x:S))) -> +(fib(s(x:S)),fib(x:S)) The problem is decomposed in 2 subproblems. Problem 1.1: Subterm Processor: -> Pairs: +#(x:S,s(y:S)) -> +#(x:S,y:S) -> Rules: +(x:S,0) -> x:S +(x:S,s(y:S)) -> s(+(x:S,y:S)) fib(0) -> 0 fib(s(0)) -> s(0) fib(s(s(x:S))) -> +(fib(s(x:S)),fib(x:S)) ->Projection: pi(+#) = 2 Problem 1.1: SCC Processor: -> Pairs: Empty -> Rules: +(x:S,0) -> x:S +(x:S,s(y:S)) -> s(+(x:S,y:S)) fib(0) -> 0 fib(s(0)) -> s(0) fib(s(s(x:S))) -> +(fib(s(x:S)),fib(x:S)) ->Strongly Connected Components: There is no strongly connected component The problem is finite. Problem 1.2: Subterm Processor: -> Pairs: FIB(s(s(x:S))) -> FIB(s(x:S)) FIB(s(s(x:S))) -> FIB(x:S) -> Rules: +(x:S,0) -> x:S +(x:S,s(y:S)) -> s(+(x:S,y:S)) fib(0) -> 0 fib(s(0)) -> s(0) fib(s(s(x:S))) -> +(fib(s(x:S)),fib(x:S)) ->Projection: pi(FIB) = 1 Problem 1.2: SCC Processor: -> Pairs: Empty -> Rules: +(x:S,0) -> x:S +(x:S,s(y:S)) -> s(+(x:S,y:S)) fib(0) -> 0 fib(s(0)) -> s(0) fib(s(s(x:S))) -> +(fib(s(x:S)),fib(x:S)) ->Strongly Connected Components: There is no strongly connected component The problem is finite.