/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 z:S) (RULES ++(.(x:S,y:S),z:S) -> .(x:S,++(y:S,z:S)) ++(nil,y:S) -> y:S ++(x:S,++(y:S,z:S)) -> ++(++(x:S,y:S),z:S) ++(x:S,nil) -> x:S make(x:S) -> .(x:S,nil) rev(++(x:S,y:S)) -> ++(rev(y:S),rev(x:S)) rev(rev(x:S)) -> x:S rev(nil) -> nil ) Problem 1: Dependency Pairs Processor: -> Pairs: ++#(.(x:S,y:S),z:S) -> ++#(y:S,z:S) ++#(x:S,++(y:S,z:S)) -> ++#(++(x:S,y:S),z:S) ++#(x:S,++(y:S,z:S)) -> ++#(x:S,y:S) REV(++(x:S,y:S)) -> ++#(rev(y:S),rev(x:S)) REV(++(x:S,y:S)) -> REV(x:S) REV(++(x:S,y:S)) -> REV(y:S) -> Rules: ++(.(x:S,y:S),z:S) -> .(x:S,++(y:S,z:S)) ++(nil,y:S) -> y:S ++(x:S,++(y:S,z:S)) -> ++(++(x:S,y:S),z:S) ++(x:S,nil) -> x:S make(x:S) -> .(x:S,nil) rev(++(x:S,y:S)) -> ++(rev(y:S),rev(x:S)) rev(rev(x:S)) -> x:S rev(nil) -> nil Problem 1: SCC Processor: -> Pairs: ++#(.(x:S,y:S),z:S) -> ++#(y:S,z:S) ++#(x:S,++(y:S,z:S)) -> ++#(++(x:S,y:S),z:S) ++#(x:S,++(y:S,z:S)) -> ++#(x:S,y:S) REV(++(x:S,y:S)) -> ++#(rev(y:S),rev(x:S)) REV(++(x:S,y:S)) -> REV(x:S) REV(++(x:S,y:S)) -> REV(y:S) -> Rules: ++(.(x:S,y:S),z:S) -> .(x:S,++(y:S,z:S)) ++(nil,y:S) -> y:S ++(x:S,++(y:S,z:S)) -> ++(++(x:S,y:S),z:S) ++(x:S,nil) -> x:S make(x:S) -> .(x:S,nil) rev(++(x:S,y:S)) -> ++(rev(y:S),rev(x:S)) rev(rev(x:S)) -> x:S rev(nil) -> nil ->Strongly Connected Components: ->->Cycle: ->->-> Pairs: ++#(.(x:S,y:S),z:S) -> ++#(y:S,z:S) ++#(x:S,++(y:S,z:S)) -> ++#(++(x:S,y:S),z:S) ++#(x:S,++(y:S,z:S)) -> ++#(x:S,y:S) ->->-> Rules: ++(.(x:S,y:S),z:S) -> .(x:S,++(y:S,z:S)) ++(nil,y:S) -> y:S ++(x:S,++(y:S,z:S)) -> ++(++(x:S,y:S),z:S) ++(x:S,nil) -> x:S make(x:S) -> .(x:S,nil) rev(++(x:S,y:S)) -> ++(rev(y:S),rev(x:S)) rev(rev(x:S)) -> x:S rev(nil) -> nil ->->Cycle: ->->-> Pairs: REV(++(x:S,y:S)) -> REV(x:S) REV(++(x:S,y:S)) -> REV(y:S) ->->-> Rules: ++(.(x:S,y:S),z:S) -> .(x:S,++(y:S,z:S)) ++(nil,y:S) -> y:S ++(x:S,++(y:S,z:S)) -> ++(++(x:S,y:S),z:S) ++(x:S,nil) -> x:S make(x:S) -> .(x:S,nil) rev(++(x:S,y:S)) -> ++(rev(y:S),rev(x:S)) rev(rev(x:S)) -> x:S rev(nil) -> nil The problem is decomposed in 2 subproblems. Problem 1.1: Subterm Processor: -> Pairs: ++#(.(x:S,y:S),z:S) -> ++#(y:S,z:S) ++#(x:S,++(y:S,z:S)) -> ++#(++(x:S,y:S),z:S) ++#(x:S,++(y:S,z:S)) -> ++#(x:S,y:S) -> Rules: ++(.(x:S,y:S),z:S) -> .(x:S,++(y:S,z:S)) ++(nil,y:S) -> y:S ++(x:S,++(y:S,z:S)) -> ++(++(x:S,y:S),z:S) ++(x:S,nil) -> x:S make(x:S) -> .(x:S,nil) rev(++(x:S,y:S)) -> ++(rev(y:S),rev(x:S)) rev(rev(x:S)) -> x:S rev(nil) -> nil ->Projection: pi(++#) = 2 Problem 1.1: SCC Processor: -> Pairs: ++#(.(x:S,y:S),z:S) -> ++#(y:S,z:S) -> Rules: ++(.(x:S,y:S),z:S) -> .(x:S,++(y:S,z:S)) ++(nil,y:S) -> y:S ++(x:S,++(y:S,z:S)) -> ++(++(x:S,y:S),z:S) ++(x:S,nil) -> x:S make(x:S) -> .(x:S,nil) rev(++(x:S,y:S)) -> ++(rev(y:S),rev(x:S)) rev(rev(x:S)) -> x:S rev(nil) -> nil ->Strongly Connected Components: ->->Cycle: ->->-> Pairs: ++#(.(x:S,y:S),z:S) -> ++#(y:S,z:S) ->->-> Rules: ++(.(x:S,y:S),z:S) -> .(x:S,++(y:S,z:S)) ++(nil,y:S) -> y:S ++(x:S,++(y:S,z:S)) -> ++(++(x:S,y:S),z:S) ++(x:S,nil) -> x:S make(x:S) -> .(x:S,nil) rev(++(x:S,y:S)) -> ++(rev(y:S),rev(x:S)) rev(rev(x:S)) -> x:S rev(nil) -> nil Problem 1.1: Subterm Processor: -> Pairs: ++#(.(x:S,y:S),z:S) -> ++#(y:S,z:S) -> Rules: ++(.(x:S,y:S),z:S) -> .(x:S,++(y:S,z:S)) ++(nil,y:S) -> y:S ++(x:S,++(y:S,z:S)) -> ++(++(x:S,y:S),z:S) ++(x:S,nil) -> x:S make(x:S) -> .(x:S,nil) rev(++(x:S,y:S)) -> ++(rev(y:S),rev(x:S)) rev(rev(x:S)) -> x:S rev(nil) -> nil ->Projection: pi(++#) = 1 Problem 1.1: SCC Processor: -> Pairs: Empty -> Rules: ++(.(x:S,y:S),z:S) -> .(x:S,++(y:S,z:S)) ++(nil,y:S) -> y:S ++(x:S,++(y:S,z:S)) -> ++(++(x:S,y:S),z:S) ++(x:S,nil) -> x:S make(x:S) -> .(x:S,nil) rev(++(x:S,y:S)) -> ++(rev(y:S),rev(x:S)) rev(rev(x:S)) -> x:S rev(nil) -> nil ->Strongly Connected Components: There is no strongly connected component The problem is finite. Problem 1.2: Subterm Processor: -> Pairs: REV(++(x:S,y:S)) -> REV(x:S) REV(++(x:S,y:S)) -> REV(y:S) -> Rules: ++(.(x:S,y:S),z:S) -> .(x:S,++(y:S,z:S)) ++(nil,y:S) -> y:S ++(x:S,++(y:S,z:S)) -> ++(++(x:S,y:S),z:S) ++(x:S,nil) -> x:S make(x:S) -> .(x:S,nil) rev(++(x:S,y:S)) -> ++(rev(y:S),rev(x:S)) rev(rev(x:S)) -> x:S rev(nil) -> nil ->Projection: pi(REV) = 1 Problem 1.2: SCC Processor: -> Pairs: Empty -> Rules: ++(.(x:S,y:S),z:S) -> .(x:S,++(y:S,z:S)) ++(nil,y:S) -> y:S ++(x:S,++(y:S,z:S)) -> ++(++(x:S,y:S),z:S) ++(x:S,nil) -> x:S make(x:S) -> .(x:S,nil) rev(++(x:S,y:S)) -> ++(rev(y:S),rev(x:S)) rev(rev(x:S)) -> x:S rev(nil) -> nil ->Strongly Connected Components: There is no strongly connected component The problem is finite.