/export/starexec/sandbox/solver/bin/starexec_run_default /export/starexec/sandbox/benchmark/theBenchmark.xml /export/starexec/sandbox/output/output_files -------------------------------------------------------------------------------- YES Problem 1: (VAR I P X X1 X2 Y Z) (RULES __(active(X1),X2) -> __(X1,X2) __(mark(X1),X2) -> __(X1,X2) __(X1,active(X2)) -> __(X1,X2) __(X1,mark(X2)) -> __(X1,X2) active(__(__(X,Y),Z)) -> mark(__(X,__(Y,Z))) active(__(nil,X)) -> mark(X) active(__(X,nil)) -> mark(X) active(and(tt,X)) -> mark(X) active(isNePal(__(I,__(P,I)))) -> mark(tt) and(active(X1),X2) -> and(X1,X2) and(mark(X1),X2) -> and(X1,X2) and(X1,active(X2)) -> and(X1,X2) and(X1,mark(X2)) -> and(X1,X2) isNePal(active(X)) -> isNePal(X) isNePal(mark(X)) -> isNePal(X) mark(__(X1,X2)) -> active(__(mark(X1),mark(X2))) mark(and(X1,X2)) -> active(and(mark(X1),X2)) mark(isNePal(X)) -> active(isNePal(mark(X))) mark(nil) -> active(nil) mark(tt) -> active(tt) ) Problem 1: Dependency Pairs Processor: -> Pairs: __#(active(X1),X2) -> __#(X1,X2) __#(mark(X1),X2) -> __#(X1,X2) __#(X1,active(X2)) -> __#(X1,X2) __#(X1,mark(X2)) -> __#(X1,X2) ACTIVE(__(__(X,Y),Z)) -> __#(X,__(Y,Z)) ACTIVE(__(__(X,Y),Z)) -> __#(Y,Z) ACTIVE(__(__(X,Y),Z)) -> MARK(__(X,__(Y,Z))) ACTIVE(__(nil,X)) -> MARK(X) ACTIVE(__(X,nil)) -> MARK(X) ACTIVE(and(tt,X)) -> MARK(X) ACTIVE(isNePal(__(I,__(P,I)))) -> MARK(tt) AND(active(X1),X2) -> AND(X1,X2) AND(mark(X1),X2) -> AND(X1,X2) AND(X1,active(X2)) -> AND(X1,X2) AND(X1,mark(X2)) -> AND(X1,X2) ISNEPAL(active(X)) -> ISNEPAL(X) ISNEPAL(mark(X)) -> ISNEPAL(X) MARK(__(X1,X2)) -> __#(mark(X1),mark(X2)) MARK(__(X1,X2)) -> ACTIVE(__(mark(X1),mark(X2))) MARK(__(X1,X2)) -> MARK(X1) MARK(__(X1,X2)) -> MARK(X2) MARK(and(X1,X2)) -> ACTIVE(and(mark(X1),X2)) MARK(and(X1,X2)) -> AND(mark(X1),X2) MARK(and(X1,X2)) -> MARK(X1) MARK(isNePal(X)) -> ACTIVE(isNePal(mark(X))) MARK(isNePal(X)) -> ISNEPAL(mark(X)) MARK(isNePal(X)) -> MARK(X) -> Rules: __(active(X1),X2) -> __(X1,X2) __(mark(X1),X2) -> __(X1,X2) __(X1,active(X2)) -> __(X1,X2) __(X1,mark(X2)) -> __(X1,X2) active(__(__(X,Y),Z)) -> mark(__(X,__(Y,Z))) active(__(nil,X)) -> mark(X) active(__(X,nil)) -> mark(X) active(and(tt,X)) -> mark(X) active(isNePal(__(I,__(P,I)))) -> mark(tt) and(active(X1),X2) -> and(X1,X2) and(mark(X1),X2) -> and(X1,X2) and(X1,active(X2)) -> and(X1,X2) and(X1,mark(X2)) -> and(X1,X2) isNePal(active(X)) -> isNePal(X) isNePal(mark(X)) -> isNePal(X) mark(__(X1,X2)) -> active(__(mark(X1),mark(X2))) mark(and(X1,X2)) -> active(and(mark(X1),X2)) mark(isNePal(X)) -> active(isNePal(mark(X))) mark(nil) -> active(nil) mark(tt) -> active(tt) Problem 1: SCC Processor: -> Pairs: __#(active(X1),X2) -> __#(X1,X2) __#(mark(X1),X2) -> __#(X1,X2) __#(X1,active(X2)) -> __#(X1,X2) __#(X1,mark(X2)) -> __#(X1,X2) ACTIVE(__(__(X,Y),Z)) -> __#(X,__(Y,Z)) ACTIVE(__(__(X,Y),Z)) -> __#(Y,Z) ACTIVE(__(__(X,Y),Z)) -> MARK(__(X,__(Y,Z))) ACTIVE(__(nil,X)) -> MARK(X) ACTIVE(__(X,nil)) -> MARK(X) ACTIVE(and(tt,X)) -> MARK(X) ACTIVE(isNePal(__(I,__(P,I)))) -> MARK(tt) AND(active(X1),X2) -> AND(X1,X2) AND(mark(X1),X2) -> AND(X1,X2) AND(X1,active(X2)) -> AND(X1,X2) AND(X1,mark(X2)) -> AND(X1,X2) ISNEPAL(active(X)) -> ISNEPAL(X) ISNEPAL(mark(X)) -> ISNEPAL(X) MARK(__(X1,X2)) -> __#(mark(X1),mark(X2)) MARK(__(X1,X2)) -> ACTIVE(__(mark(X1),mark(X2))) MARK(__(X1,X2)) -> MARK(X1) MARK(__(X1,X2)) -> MARK(X2) MARK(and(X1,X2)) -> ACTIVE(and(mark(X1),X2)) MARK(and(X1,X2)) -> AND(mark(X1),X2) MARK(and(X1,X2)) -> MARK(X1) MARK(isNePal(X)) -> ACTIVE(isNePal(mark(X))) MARK(isNePal(X)) -> ISNEPAL(mark(X)) MARK(isNePal(X)) -> MARK(X) -> Rules: __(active(X1),X2) -> __(X1,X2) __(mark(X1),X2) -> __(X1,X2) __(X1,active(X2)) -> __(X1,X2) __(X1,mark(X2)) -> __(X1,X2) active(__(__(X,Y),Z)) -> mark(__(X,__(Y,Z))) active(__(nil,X)) -> mark(X) active(__(X,nil)) -> mark(X) active(and(tt,X)) -> mark(X) active(isNePal(__(I,__(P,I)))) -> mark(tt) and(active(X1),X2) -> and(X1,X2) and(mark(X1),X2) -> and(X1,X2) and(X1,active(X2)) -> and(X1,X2) and(X1,mark(X2)) -> and(X1,X2) isNePal(active(X)) -> isNePal(X) isNePal(mark(X)) -> isNePal(X) mark(__(X1,X2)) -> active(__(mark(X1),mark(X2))) mark(and(X1,X2)) -> active(and(mark(X1),X2)) mark(isNePal(X)) -> active(isNePal(mark(X))) mark(nil) -> active(nil) mark(tt) -> active(tt) ->Strongly Connected Components: ->->Cycle: ->->-> Pairs: ISNEPAL(active(X)) -> ISNEPAL(X) ISNEPAL(mark(X)) -> ISNEPAL(X) ->->-> Rules: __(active(X1),X2) -> __(X1,X2) __(mark(X1),X2) -> __(X1,X2) __(X1,active(X2)) -> __(X1,X2) __(X1,mark(X2)) -> __(X1,X2) active(__(__(X,Y),Z)) -> mark(__(X,__(Y,Z))) active(__(nil,X)) -> mark(X) active(__(X,nil)) -> mark(X) active(and(tt,X)) -> mark(X) active(isNePal(__(I,__(P,I)))) -> mark(tt) and(active(X1),X2) -> and(X1,X2) and(mark(X1),X2) -> and(X1,X2) and(X1,active(X2)) -> and(X1,X2) and(X1,mark(X2)) -> and(X1,X2) isNePal(active(X)) -> isNePal(X) isNePal(mark(X)) -> isNePal(X) mark(__(X1,X2)) -> active(__(mark(X1),mark(X2))) mark(and(X1,X2)) -> active(and(mark(X1),X2)) mark(isNePal(X)) -> active(isNePal(mark(X))) mark(nil) -> active(nil) mark(tt) -> active(tt) ->->Cycle: ->->-> Pairs: AND(active(X1),X2) -> AND(X1,X2) AND(mark(X1),X2) -> AND(X1,X2) AND(X1,active(X2)) -> AND(X1,X2) AND(X1,mark(X2)) -> AND(X1,X2) ->->-> Rules: __(active(X1),X2) -> __(X1,X2) __(mark(X1),X2) -> __(X1,X2) __(X1,active(X2)) -> __(X1,X2) __(X1,mark(X2)) -> __(X1,X2) active(__(__(X,Y),Z)) -> mark(__(X,__(Y,Z))) active(__(nil,X)) -> mark(X) active(__(X,nil)) -> mark(X) active(and(tt,X)) -> mark(X) active(isNePal(__(I,__(P,I)))) -> mark(tt) and(active(X1),X2) -> and(X1,X2) and(mark(X1),X2) -> and(X1,X2) and(X1,active(X2)) -> and(X1,X2) and(X1,mark(X2)) -> and(X1,X2) isNePal(active(X)) -> isNePal(X) isNePal(mark(X)) -> isNePal(X) mark(__(X1,X2)) -> active(__(mark(X1),mark(X2))) mark(and(X1,X2)) -> active(and(mark(X1),X2)) mark(isNePal(X)) -> active(isNePal(mark(X))) mark(nil) -> active(nil) mark(tt) -> active(tt) ->->Cycle: ->->-> Pairs: __#(active(X1),X2) -> __#(X1,X2) __#(mark(X1),X2) -> __#(X1,X2) __#(X1,active(X2)) -> __#(X1,X2) __#(X1,mark(X2)) -> __#(X1,X2) ->->-> Rules: __(active(X1),X2) -> __(X1,X2) __(mark(X1),X2) -> __(X1,X2) __(X1,active(X2)) -> __(X1,X2) __(X1,mark(X2)) -> __(X1,X2) active(__(__(X,Y),Z)) -> mark(__(X,__(Y,Z))) active(__(nil,X)) -> mark(X) active(__(X,nil)) -> mark(X) active(and(tt,X)) -> mark(X) active(isNePal(__(I,__(P,I)))) -> mark(tt) and(active(X1),X2) -> and(X1,X2) and(mark(X1),X2) -> and(X1,X2) and(X1,active(X2)) -> and(X1,X2) and(X1,mark(X2)) -> and(X1,X2) isNePal(active(X)) -> isNePal(X) isNePal(mark(X)) -> isNePal(X) mark(__(X1,X2)) -> active(__(mark(X1),mark(X2))) mark(and(X1,X2)) -> active(and(mark(X1),X2)) mark(isNePal(X)) -> active(isNePal(mark(X))) mark(nil) -> active(nil) mark(tt) -> active(tt) ->->Cycle: ->->-> Pairs: ACTIVE(__(__(X,Y),Z)) -> MARK(__(X,__(Y,Z))) ACTIVE(__(nil,X)) -> MARK(X) ACTIVE(__(X,nil)) -> MARK(X) ACTIVE(and(tt,X)) -> MARK(X) MARK(__(X1,X2)) -> ACTIVE(__(mark(X1),mark(X2))) MARK(__(X1,X2)) -> MARK(X1) MARK(__(X1,X2)) -> MARK(X2) MARK(and(X1,X2)) -> ACTIVE(and(mark(X1),X2)) MARK(and(X1,X2)) -> MARK(X1) MARK(isNePal(X)) -> ACTIVE(isNePal(mark(X))) MARK(isNePal(X)) -> MARK(X) ->->-> Rules: __(active(X1),X2) -> __(X1,X2) __(mark(X1),X2) -> __(X1,X2) __(X1,active(X2)) -> __(X1,X2) __(X1,mark(X2)) -> __(X1,X2) active(__(__(X,Y),Z)) -> mark(__(X,__(Y,Z))) active(__(nil,X)) -> mark(X) active(__(X,nil)) -> mark(X) active(and(tt,X)) -> mark(X) active(isNePal(__(I,__(P,I)))) -> mark(tt) and(active(X1),X2) -> and(X1,X2) and(mark(X1),X2) -> and(X1,X2) and(X1,active(X2)) -> and(X1,X2) and(X1,mark(X2)) -> and(X1,X2) isNePal(active(X)) -> isNePal(X) isNePal(mark(X)) -> isNePal(X) mark(__(X1,X2)) -> active(__(mark(X1),mark(X2))) mark(and(X1,X2)) -> active(and(mark(X1),X2)) mark(isNePal(X)) -> active(isNePal(mark(X))) mark(nil) -> active(nil) mark(tt) -> active(tt) The problem is decomposed in 4 subproblems. Problem 1.1: Subterm Processor: -> Pairs: ISNEPAL(active(X)) -> ISNEPAL(X) ISNEPAL(mark(X)) -> ISNEPAL(X) -> Rules: __(active(X1),X2) -> __(X1,X2) __(mark(X1),X2) -> __(X1,X2) __(X1,active(X2)) -> __(X1,X2) __(X1,mark(X2)) -> __(X1,X2) active(__(__(X,Y),Z)) -> mark(__(X,__(Y,Z))) active(__(nil,X)) -> mark(X) active(__(X,nil)) -> mark(X) active(and(tt,X)) -> mark(X) active(isNePal(__(I,__(P,I)))) -> mark(tt) and(active(X1),X2) -> and(X1,X2) and(mark(X1),X2) -> and(X1,X2) and(X1,active(X2)) -> and(X1,X2) and(X1,mark(X2)) -> and(X1,X2) isNePal(active(X)) -> isNePal(X) isNePal(mark(X)) -> isNePal(X) mark(__(X1,X2)) -> active(__(mark(X1),mark(X2))) mark(and(X1,X2)) -> active(and(mark(X1),X2)) mark(isNePal(X)) -> active(isNePal(mark(X))) mark(nil) -> active(nil) mark(tt) -> active(tt) ->Projection: pi(ISNEPAL) = 1 Problem 1.1: SCC Processor: -> Pairs: Empty -> Rules: __(active(X1),X2) -> __(X1,X2) __(mark(X1),X2) -> __(X1,X2) __(X1,active(X2)) -> __(X1,X2) __(X1,mark(X2)) -> __(X1,X2) active(__(__(X,Y),Z)) -> mark(__(X,__(Y,Z))) active(__(nil,X)) -> mark(X) active(__(X,nil)) -> mark(X) active(and(tt,X)) -> mark(X) active(isNePal(__(I,__(P,I)))) -> mark(tt) and(active(X1),X2) -> and(X1,X2) and(mark(X1),X2) -> and(X1,X2) and(X1,active(X2)) -> and(X1,X2) and(X1,mark(X2)) -> and(X1,X2) isNePal(active(X)) -> isNePal(X) isNePal(mark(X)) -> isNePal(X) mark(__(X1,X2)) -> active(__(mark(X1),mark(X2))) mark(and(X1,X2)) -> active(and(mark(X1),X2)) mark(isNePal(X)) -> active(isNePal(mark(X))) mark(nil) -> active(nil) mark(tt) -> active(tt) ->Strongly Connected Components: There is no strongly connected component The problem is finite. Problem 1.2: Subterm Processor: -> Pairs: AND(active(X1),X2) -> AND(X1,X2) AND(mark(X1),X2) -> AND(X1,X2) AND(X1,active(X2)) -> AND(X1,X2) AND(X1,mark(X2)) -> AND(X1,X2) -> Rules: __(active(X1),X2) -> __(X1,X2) __(mark(X1),X2) -> __(X1,X2) __(X1,active(X2)) -> __(X1,X2) __(X1,mark(X2)) -> __(X1,X2) active(__(__(X,Y),Z)) -> mark(__(X,__(Y,Z))) active(__(nil,X)) -> mark(X) active(__(X,nil)) -> mark(X) active(and(tt,X)) -> mark(X) active(isNePal(__(I,__(P,I)))) -> mark(tt) and(active(X1),X2) -> and(X1,X2) and(mark(X1),X2) -> and(X1,X2) and(X1,active(X2)) -> and(X1,X2) and(X1,mark(X2)) -> and(X1,X2) isNePal(active(X)) -> isNePal(X) isNePal(mark(X)) -> isNePal(X) mark(__(X1,X2)) -> active(__(mark(X1),mark(X2))) mark(and(X1,X2)) -> active(and(mark(X1),X2)) mark(isNePal(X)) -> active(isNePal(mark(X))) mark(nil) -> active(nil) mark(tt) -> active(tt) ->Projection: pi(AND) = 1 Problem 1.2: SCC Processor: -> Pairs: AND(X1,active(X2)) -> AND(X1,X2) AND(X1,mark(X2)) -> AND(X1,X2) -> Rules: __(active(X1),X2) -> __(X1,X2) __(mark(X1),X2) -> __(X1,X2) __(X1,active(X2)) -> __(X1,X2) __(X1,mark(X2)) -> __(X1,X2) active(__(__(X,Y),Z)) -> mark(__(X,__(Y,Z))) active(__(nil,X)) -> mark(X) active(__(X,nil)) -> mark(X) active(and(tt,X)) -> mark(X) active(isNePal(__(I,__(P,I)))) -> mark(tt) and(active(X1),X2) -> and(X1,X2) and(mark(X1),X2) -> and(X1,X2) and(X1,active(X2)) -> and(X1,X2) and(X1,mark(X2)) -> and(X1,X2) isNePal(active(X)) -> isNePal(X) isNePal(mark(X)) -> isNePal(X) mark(__(X1,X2)) -> active(__(mark(X1),mark(X2))) mark(and(X1,X2)) -> active(and(mark(X1),X2)) mark(isNePal(X)) -> active(isNePal(mark(X))) mark(nil) -> active(nil) mark(tt) -> active(tt) ->Strongly Connected Components: ->->Cycle: ->->-> Pairs: AND(X1,active(X2)) -> AND(X1,X2) AND(X1,mark(X2)) -> AND(X1,X2) ->->-> Rules: __(active(X1),X2) -> __(X1,X2) __(mark(X1),X2) -> __(X1,X2) __(X1,active(X2)) -> __(X1,X2) __(X1,mark(X2)) -> __(X1,X2) active(__(__(X,Y),Z)) -> mark(__(X,__(Y,Z))) active(__(nil,X)) -> mark(X) active(__(X,nil)) -> mark(X) active(and(tt,X)) -> mark(X) active(isNePal(__(I,__(P,I)))) -> mark(tt) and(active(X1),X2) -> and(X1,X2) and(mark(X1),X2) -> and(X1,X2) and(X1,active(X2)) -> and(X1,X2) and(X1,mark(X2)) -> and(X1,X2) isNePal(active(X)) -> isNePal(X) isNePal(mark(X)) -> isNePal(X) mark(__(X1,X2)) -> active(__(mark(X1),mark(X2))) mark(and(X1,X2)) -> active(and(mark(X1),X2)) mark(isNePal(X)) -> active(isNePal(mark(X))) mark(nil) -> active(nil) mark(tt) -> active(tt) Problem 1.2: Subterm Processor: -> Pairs: AND(X1,active(X2)) -> AND(X1,X2) AND(X1,mark(X2)) -> AND(X1,X2) -> Rules: __(active(X1),X2) -> __(X1,X2) __(mark(X1),X2) -> __(X1,X2) __(X1,active(X2)) -> __(X1,X2) __(X1,mark(X2)) -> __(X1,X2) active(__(__(X,Y),Z)) -> mark(__(X,__(Y,Z))) active(__(nil,X)) -> mark(X) active(__(X,nil)) -> mark(X) active(and(tt,X)) -> mark(X) active(isNePal(__(I,__(P,I)))) -> mark(tt) and(active(X1),X2) -> and(X1,X2) and(mark(X1),X2) -> and(X1,X2) and(X1,active(X2)) -> and(X1,X2) and(X1,mark(X2)) -> and(X1,X2) isNePal(active(X)) -> isNePal(X) isNePal(mark(X)) -> isNePal(X) mark(__(X1,X2)) -> active(__(mark(X1),mark(X2))) mark(and(X1,X2)) -> active(and(mark(X1),X2)) mark(isNePal(X)) -> active(isNePal(mark(X))) mark(nil) -> active(nil) mark(tt) -> active(tt) ->Projection: pi(AND) = 2 Problem 1.2: SCC Processor: -> Pairs: Empty -> Rules: __(active(X1),X2) -> __(X1,X2) __(mark(X1),X2) -> __(X1,X2) __(X1,active(X2)) -> __(X1,X2) __(X1,mark(X2)) -> __(X1,X2) active(__(__(X,Y),Z)) -> mark(__(X,__(Y,Z))) active(__(nil,X)) -> mark(X) active(__(X,nil)) -> mark(X) active(and(tt,X)) -> mark(X) active(isNePal(__(I,__(P,I)))) -> mark(tt) and(active(X1),X2) -> and(X1,X2) and(mark(X1),X2) -> and(X1,X2) and(X1,active(X2)) -> and(X1,X2) and(X1,mark(X2)) -> and(X1,X2) isNePal(active(X)) -> isNePal(X) isNePal(mark(X)) -> isNePal(X) mark(__(X1,X2)) -> active(__(mark(X1),mark(X2))) mark(and(X1,X2)) -> active(and(mark(X1),X2)) mark(isNePal(X)) -> active(isNePal(mark(X))) mark(nil) -> active(nil) mark(tt) -> active(tt) ->Strongly Connected Components: There is no strongly connected component The problem is finite. Problem 1.3: Subterm Processor: -> Pairs: __#(active(X1),X2) -> __#(X1,X2) __#(mark(X1),X2) -> __#(X1,X2) __#(X1,active(X2)) -> __#(X1,X2) __#(X1,mark(X2)) -> __#(X1,X2) -> Rules: __(active(X1),X2) -> __(X1,X2) __(mark(X1),X2) -> __(X1,X2) __(X1,active(X2)) -> __(X1,X2) __(X1,mark(X2)) -> __(X1,X2) active(__(__(X,Y),Z)) -> mark(__(X,__(Y,Z))) active(__(nil,X)) -> mark(X) active(__(X,nil)) -> mark(X) active(and(tt,X)) -> mark(X) active(isNePal(__(I,__(P,I)))) -> mark(tt) and(active(X1),X2) -> and(X1,X2) and(mark(X1),X2) -> and(X1,X2) and(X1,active(X2)) -> and(X1,X2) and(X1,mark(X2)) -> and(X1,X2) isNePal(active(X)) -> isNePal(X) isNePal(mark(X)) -> isNePal(X) mark(__(X1,X2)) -> active(__(mark(X1),mark(X2))) mark(and(X1,X2)) -> active(and(mark(X1),X2)) mark(isNePal(X)) -> active(isNePal(mark(X))) mark(nil) -> active(nil) mark(tt) -> active(tt) ->Projection: pi(__#) = 1 Problem 1.3: SCC Processor: -> Pairs: __#(X1,active(X2)) -> __#(X1,X2) __#(X1,mark(X2)) -> __#(X1,X2) -> Rules: __(active(X1),X2) -> __(X1,X2) __(mark(X1),X2) -> __(X1,X2) __(X1,active(X2)) -> __(X1,X2) __(X1,mark(X2)) -> __(X1,X2) active(__(__(X,Y),Z)) -> mark(__(X,__(Y,Z))) active(__(nil,X)) -> mark(X) active(__(X,nil)) -> mark(X) active(and(tt,X)) -> mark(X) active(isNePal(__(I,__(P,I)))) -> mark(tt) and(active(X1),X2) -> and(X1,X2) and(mark(X1),X2) -> and(X1,X2) and(X1,active(X2)) -> and(X1,X2) and(X1,mark(X2)) -> and(X1,X2) isNePal(active(X)) -> isNePal(X) isNePal(mark(X)) -> isNePal(X) mark(__(X1,X2)) -> active(__(mark(X1),mark(X2))) mark(and(X1,X2)) -> active(and(mark(X1),X2)) mark(isNePal(X)) -> active(isNePal(mark(X))) mark(nil) -> active(nil) mark(tt) -> active(tt) ->Strongly Connected Components: ->->Cycle: ->->-> Pairs: __#(X1,active(X2)) -> __#(X1,X2) __#(X1,mark(X2)) -> __#(X1,X2) ->->-> Rules: __(active(X1),X2) -> __(X1,X2) __(mark(X1),X2) -> __(X1,X2) __(X1,active(X2)) -> __(X1,X2) __(X1,mark(X2)) -> __(X1,X2) active(__(__(X,Y),Z)) -> mark(__(X,__(Y,Z))) active(__(nil,X)) -> mark(X) active(__(X,nil)) -> mark(X) active(and(tt,X)) -> mark(X) active(isNePal(__(I,__(P,I)))) -> mark(tt) and(active(X1),X2) -> and(X1,X2) and(mark(X1),X2) -> and(X1,X2) and(X1,active(X2)) -> and(X1,X2) and(X1,mark(X2)) -> and(X1,X2) isNePal(active(X)) -> isNePal(X) isNePal(mark(X)) -> isNePal(X) mark(__(X1,X2)) -> active(__(mark(X1),mark(X2))) mark(and(X1,X2)) -> active(and(mark(X1),X2)) mark(isNePal(X)) -> active(isNePal(mark(X))) mark(nil) -> active(nil) mark(tt) -> active(tt) Problem 1.3: Subterm Processor: -> Pairs: __#(X1,active(X2)) -> __#(X1,X2) __#(X1,mark(X2)) -> __#(X1,X2) -> Rules: __(active(X1),X2) -> __(X1,X2) __(mark(X1),X2) -> __(X1,X2) __(X1,active(X2)) -> __(X1,X2) __(X1,mark(X2)) -> __(X1,X2) active(__(__(X,Y),Z)) -> mark(__(X,__(Y,Z))) active(__(nil,X)) -> mark(X) active(__(X,nil)) -> mark(X) active(and(tt,X)) -> mark(X) active(isNePal(__(I,__(P,I)))) -> mark(tt) and(active(X1),X2) -> and(X1,X2) and(mark(X1),X2) -> and(X1,X2) and(X1,active(X2)) -> and(X1,X2) and(X1,mark(X2)) -> and(X1,X2) isNePal(active(X)) -> isNePal(X) isNePal(mark(X)) -> isNePal(X) mark(__(X1,X2)) -> active(__(mark(X1),mark(X2))) mark(and(X1,X2)) -> active(and(mark(X1),X2)) mark(isNePal(X)) -> active(isNePal(mark(X))) mark(nil) -> active(nil) mark(tt) -> active(tt) ->Projection: pi(__#) = 2 Problem 1.3: SCC Processor: -> Pairs: Empty -> Rules: __(active(X1),X2) -> __(X1,X2) __(mark(X1),X2) -> __(X1,X2) __(X1,active(X2)) -> __(X1,X2) __(X1,mark(X2)) -> __(X1,X2) active(__(__(X,Y),Z)) -> mark(__(X,__(Y,Z))) active(__(nil,X)) -> mark(X) active(__(X,nil)) -> mark(X) active(and(tt,X)) -> mark(X) active(isNePal(__(I,__(P,I)))) -> mark(tt) and(active(X1),X2) -> and(X1,X2) and(mark(X1),X2) -> and(X1,X2) and(X1,active(X2)) -> and(X1,X2) and(X1,mark(X2)) -> and(X1,X2) isNePal(active(X)) -> isNePal(X) isNePal(mark(X)) -> isNePal(X) mark(__(X1,X2)) -> active(__(mark(X1),mark(X2))) mark(and(X1,X2)) -> active(and(mark(X1),X2)) mark(isNePal(X)) -> active(isNePal(mark(X))) mark(nil) -> active(nil) mark(tt) -> active(tt) ->Strongly Connected Components: There is no strongly connected component The problem is finite. Problem 1.4: Reduction Pair Processor: -> Pairs: ACTIVE(__(__(X,Y),Z)) -> MARK(__(X,__(Y,Z))) ACTIVE(__(nil,X)) -> MARK(X) ACTIVE(__(X,nil)) -> MARK(X) ACTIVE(and(tt,X)) -> MARK(X) MARK(__(X1,X2)) -> ACTIVE(__(mark(X1),mark(X2))) MARK(__(X1,X2)) -> MARK(X1) MARK(__(X1,X2)) -> MARK(X2) MARK(and(X1,X2)) -> ACTIVE(and(mark(X1),X2)) MARK(and(X1,X2)) -> MARK(X1) MARK(isNePal(X)) -> ACTIVE(isNePal(mark(X))) MARK(isNePal(X)) -> MARK(X) -> Rules: __(active(X1),X2) -> __(X1,X2) __(mark(X1),X2) -> __(X1,X2) __(X1,active(X2)) -> __(X1,X2) __(X1,mark(X2)) -> __(X1,X2) active(__(__(X,Y),Z)) -> mark(__(X,__(Y,Z))) active(__(nil,X)) -> mark(X) active(__(X,nil)) -> mark(X) active(and(tt,X)) -> mark(X) active(isNePal(__(I,__(P,I)))) -> mark(tt) and(active(X1),X2) -> and(X1,X2) and(mark(X1),X2) -> and(X1,X2) and(X1,active(X2)) -> and(X1,X2) and(X1,mark(X2)) -> and(X1,X2) isNePal(active(X)) -> isNePal(X) isNePal(mark(X)) -> isNePal(X) mark(__(X1,X2)) -> active(__(mark(X1),mark(X2))) mark(and(X1,X2)) -> active(and(mark(X1),X2)) mark(isNePal(X)) -> active(isNePal(mark(X))) mark(nil) -> active(nil) mark(tt) -> active(tt) -> Usable rules: __(active(X1),X2) -> __(X1,X2) __(mark(X1),X2) -> __(X1,X2) __(X1,active(X2)) -> __(X1,X2) __(X1,mark(X2)) -> __(X1,X2) active(__(__(X,Y),Z)) -> mark(__(X,__(Y,Z))) active(__(nil,X)) -> mark(X) active(__(X,nil)) -> mark(X) active(and(tt,X)) -> mark(X) active(isNePal(__(I,__(P,I)))) -> mark(tt) and(active(X1),X2) -> and(X1,X2) and(mark(X1),X2) -> and(X1,X2) and(X1,active(X2)) -> and(X1,X2) and(X1,mark(X2)) -> and(X1,X2) isNePal(active(X)) -> isNePal(X) isNePal(mark(X)) -> isNePal(X) mark(__(X1,X2)) -> active(__(mark(X1),mark(X2))) mark(and(X1,X2)) -> active(and(mark(X1),X2)) mark(isNePal(X)) -> active(isNePal(mark(X))) mark(nil) -> active(nil) mark(tt) -> active(tt) ->Interpretation type: Linear ->Coefficients: Natural Numbers ->Dimension: 1 ->Bound: 2 ->Interpretation: [__](X1,X2) = 2.X1 + X2 + 2 [active](X) = X [and](X1,X2) = X1 + 2.X2 + 1 [isNePal](X) = 2.X + 2 [mark](X) = X [nil] = 1 [tt] = 0 [ACTIVE](X) = 2.X + 1 [MARK](X) = 2.X + 2 Problem 1.4: SCC Processor: -> Pairs: ACTIVE(__(nil,X)) -> MARK(X) ACTIVE(__(X,nil)) -> MARK(X) ACTIVE(and(tt,X)) -> MARK(X) MARK(__(X1,X2)) -> ACTIVE(__(mark(X1),mark(X2))) MARK(__(X1,X2)) -> MARK(X1) MARK(__(X1,X2)) -> MARK(X2) MARK(and(X1,X2)) -> ACTIVE(and(mark(X1),X2)) MARK(and(X1,X2)) -> MARK(X1) MARK(isNePal(X)) -> ACTIVE(isNePal(mark(X))) MARK(isNePal(X)) -> MARK(X) -> Rules: __(active(X1),X2) -> __(X1,X2) __(mark(X1),X2) -> __(X1,X2) __(X1,active(X2)) -> __(X1,X2) __(X1,mark(X2)) -> __(X1,X2) active(__(__(X,Y),Z)) -> mark(__(X,__(Y,Z))) active(__(nil,X)) -> mark(X) active(__(X,nil)) -> mark(X) active(and(tt,X)) -> mark(X) active(isNePal(__(I,__(P,I)))) -> mark(tt) and(active(X1),X2) -> and(X1,X2) and(mark(X1),X2) -> and(X1,X2) and(X1,active(X2)) -> and(X1,X2) and(X1,mark(X2)) -> and(X1,X2) isNePal(active(X)) -> isNePal(X) isNePal(mark(X)) -> isNePal(X) mark(__(X1,X2)) -> active(__(mark(X1),mark(X2))) mark(and(X1,X2)) -> active(and(mark(X1),X2)) mark(isNePal(X)) -> active(isNePal(mark(X))) mark(nil) -> active(nil) mark(tt) -> active(tt) ->Strongly Connected Components: ->->Cycle: ->->-> Pairs: ACTIVE(__(nil,X)) -> MARK(X) ACTIVE(__(X,nil)) -> MARK(X) ACTIVE(and(tt,X)) -> MARK(X) MARK(__(X1,X2)) -> ACTIVE(__(mark(X1),mark(X2))) MARK(__(X1,X2)) -> MARK(X1) MARK(__(X1,X2)) -> MARK(X2) MARK(and(X1,X2)) -> ACTIVE(and(mark(X1),X2)) MARK(and(X1,X2)) -> MARK(X1) MARK(isNePal(X)) -> ACTIVE(isNePal(mark(X))) MARK(isNePal(X)) -> MARK(X) ->->-> Rules: __(active(X1),X2) -> __(X1,X2) __(mark(X1),X2) -> __(X1,X2) __(X1,active(X2)) -> __(X1,X2) __(X1,mark(X2)) -> __(X1,X2) active(__(__(X,Y),Z)) -> mark(__(X,__(Y,Z))) active(__(nil,X)) -> mark(X) active(__(X,nil)) -> mark(X) active(and(tt,X)) -> mark(X) active(isNePal(__(I,__(P,I)))) -> mark(tt) and(active(X1),X2) -> and(X1,X2) and(mark(X1),X2) -> and(X1,X2) and(X1,active(X2)) -> and(X1,X2) and(X1,mark(X2)) -> and(X1,X2) isNePal(active(X)) -> isNePal(X) isNePal(mark(X)) -> isNePal(X) mark(__(X1,X2)) -> active(__(mark(X1),mark(X2))) mark(and(X1,X2)) -> active(and(mark(X1),X2)) mark(isNePal(X)) -> active(isNePal(mark(X))) mark(nil) -> active(nil) mark(tt) -> active(tt) Problem 1.4: Reduction Pair Processor: -> Pairs: ACTIVE(__(nil,X)) -> MARK(X) ACTIVE(__(X,nil)) -> MARK(X) ACTIVE(and(tt,X)) -> MARK(X) MARK(__(X1,X2)) -> ACTIVE(__(mark(X1),mark(X2))) MARK(__(X1,X2)) -> MARK(X1) MARK(__(X1,X2)) -> MARK(X2) MARK(and(X1,X2)) -> ACTIVE(and(mark(X1),X2)) MARK(and(X1,X2)) -> MARK(X1) MARK(isNePal(X)) -> ACTIVE(isNePal(mark(X))) MARK(isNePal(X)) -> MARK(X) -> Rules: __(active(X1),X2) -> __(X1,X2) __(mark(X1),X2) -> __(X1,X2) __(X1,active(X2)) -> __(X1,X2) __(X1,mark(X2)) -> __(X1,X2) active(__(__(X,Y),Z)) -> mark(__(X,__(Y,Z))) active(__(nil,X)) -> mark(X) active(__(X,nil)) -> mark(X) active(and(tt,X)) -> mark(X) active(isNePal(__(I,__(P,I)))) -> mark(tt) and(active(X1),X2) -> and(X1,X2) and(mark(X1),X2) -> and(X1,X2) and(X1,active(X2)) -> and(X1,X2) and(X1,mark(X2)) -> and(X1,X2) isNePal(active(X)) -> isNePal(X) isNePal(mark(X)) -> isNePal(X) mark(__(X1,X2)) -> active(__(mark(X1),mark(X2))) mark(and(X1,X2)) -> active(and(mark(X1),X2)) mark(isNePal(X)) -> active(isNePal(mark(X))) mark(nil) -> active(nil) mark(tt) -> active(tt) -> Usable rules: __(active(X1),X2) -> __(X1,X2) __(mark(X1),X2) -> __(X1,X2) __(X1,active(X2)) -> __(X1,X2) __(X1,mark(X2)) -> __(X1,X2) active(__(__(X,Y),Z)) -> mark(__(X,__(Y,Z))) active(__(nil,X)) -> mark(X) active(__(X,nil)) -> mark(X) active(and(tt,X)) -> mark(X) active(isNePal(__(I,__(P,I)))) -> mark(tt) and(active(X1),X2) -> and(X1,X2) and(mark(X1),X2) -> and(X1,X2) and(X1,active(X2)) -> and(X1,X2) and(X1,mark(X2)) -> and(X1,X2) isNePal(active(X)) -> isNePal(X) isNePal(mark(X)) -> isNePal(X) mark(__(X1,X2)) -> active(__(mark(X1),mark(X2))) mark(and(X1,X2)) -> active(and(mark(X1),X2)) mark(isNePal(X)) -> active(isNePal(mark(X))) mark(nil) -> active(nil) mark(tt) -> active(tt) ->Interpretation type: Linear ->Coefficients: Natural Numbers ->Dimension: 1 ->Bound: 2 ->Interpretation: [__](X1,X2) = 2.X1 + X2 + 2 [active](X) = X [and](X1,X2) = 2.X1 + 2.X2 + 2 [isNePal](X) = 2.X + 1 [mark](X) = X [nil] = 2 [tt] = 2 [ACTIVE](X) = 2.X + 1 [MARK](X) = 2.X + 2 Problem 1.4: SCC Processor: -> Pairs: ACTIVE(__(X,nil)) -> MARK(X) ACTIVE(and(tt,X)) -> MARK(X) MARK(__(X1,X2)) -> ACTIVE(__(mark(X1),mark(X2))) MARK(__(X1,X2)) -> MARK(X1) MARK(__(X1,X2)) -> MARK(X2) MARK(and(X1,X2)) -> ACTIVE(and(mark(X1),X2)) MARK(and(X1,X2)) -> MARK(X1) MARK(isNePal(X)) -> ACTIVE(isNePal(mark(X))) MARK(isNePal(X)) -> MARK(X) -> Rules: __(active(X1),X2) -> __(X1,X2) __(mark(X1),X2) -> __(X1,X2) __(X1,active(X2)) -> __(X1,X2) __(X1,mark(X2)) -> __(X1,X2) active(__(__(X,Y),Z)) -> mark(__(X,__(Y,Z))) active(__(nil,X)) -> mark(X) active(__(X,nil)) -> mark(X) active(and(tt,X)) -> mark(X) active(isNePal(__(I,__(P,I)))) -> mark(tt) and(active(X1),X2) -> and(X1,X2) and(mark(X1),X2) -> and(X1,X2) and(X1,active(X2)) -> and(X1,X2) and(X1,mark(X2)) -> and(X1,X2) isNePal(active(X)) -> isNePal(X) isNePal(mark(X)) -> isNePal(X) mark(__(X1,X2)) -> active(__(mark(X1),mark(X2))) mark(and(X1,X2)) -> active(and(mark(X1),X2)) mark(isNePal(X)) -> active(isNePal(mark(X))) mark(nil) -> active(nil) mark(tt) -> active(tt) ->Strongly Connected Components: ->->Cycle: ->->-> Pairs: ACTIVE(__(X,nil)) -> MARK(X) ACTIVE(and(tt,X)) -> MARK(X) MARK(__(X1,X2)) -> ACTIVE(__(mark(X1),mark(X2))) MARK(__(X1,X2)) -> MARK(X1) MARK(__(X1,X2)) -> MARK(X2) MARK(and(X1,X2)) -> ACTIVE(and(mark(X1),X2)) MARK(and(X1,X2)) -> MARK(X1) MARK(isNePal(X)) -> ACTIVE(isNePal(mark(X))) MARK(isNePal(X)) -> MARK(X) ->->-> Rules: __(active(X1),X2) -> __(X1,X2) __(mark(X1),X2) -> __(X1,X2) __(X1,active(X2)) -> __(X1,X2) __(X1,mark(X2)) -> __(X1,X2) active(__(__(X,Y),Z)) -> mark(__(X,__(Y,Z))) active(__(nil,X)) -> mark(X) active(__(X,nil)) -> mark(X) active(and(tt,X)) -> mark(X) active(isNePal(__(I,__(P,I)))) -> mark(tt) and(active(X1),X2) -> and(X1,X2) and(mark(X1),X2) -> and(X1,X2) and(X1,active(X2)) -> and(X1,X2) and(X1,mark(X2)) -> and(X1,X2) isNePal(active(X)) -> isNePal(X) isNePal(mark(X)) -> isNePal(X) mark(__(X1,X2)) -> active(__(mark(X1),mark(X2))) mark(and(X1,X2)) -> active(and(mark(X1),X2)) mark(isNePal(X)) -> active(isNePal(mark(X))) mark(nil) -> active(nil) mark(tt) -> active(tt) Problem 1.4: Reduction Pair Processor: -> Pairs: ACTIVE(__(X,nil)) -> MARK(X) ACTIVE(and(tt,X)) -> MARK(X) MARK(__(X1,X2)) -> ACTIVE(__(mark(X1),mark(X2))) MARK(__(X1,X2)) -> MARK(X1) MARK(__(X1,X2)) -> MARK(X2) MARK(and(X1,X2)) -> ACTIVE(and(mark(X1),X2)) MARK(and(X1,X2)) -> MARK(X1) MARK(isNePal(X)) -> ACTIVE(isNePal(mark(X))) MARK(isNePal(X)) -> MARK(X) -> Rules: __(active(X1),X2) -> __(X1,X2) __(mark(X1),X2) -> __(X1,X2) __(X1,active(X2)) -> __(X1,X2) __(X1,mark(X2)) -> __(X1,X2) active(__(__(X,Y),Z)) -> mark(__(X,__(Y,Z))) active(__(nil,X)) -> mark(X) active(__(X,nil)) -> mark(X) active(and(tt,X)) -> mark(X) active(isNePal(__(I,__(P,I)))) -> mark(tt) and(active(X1),X2) -> and(X1,X2) and(mark(X1),X2) -> and(X1,X2) and(X1,active(X2)) -> and(X1,X2) and(X1,mark(X2)) -> and(X1,X2) isNePal(active(X)) -> isNePal(X) isNePal(mark(X)) -> isNePal(X) mark(__(X1,X2)) -> active(__(mark(X1),mark(X2))) mark(and(X1,X2)) -> active(and(mark(X1),X2)) mark(isNePal(X)) -> active(isNePal(mark(X))) mark(nil) -> active(nil) mark(tt) -> active(tt) -> Usable rules: __(active(X1),X2) -> __(X1,X2) __(mark(X1),X2) -> __(X1,X2) __(X1,active(X2)) -> __(X1,X2) __(X1,mark(X2)) -> __(X1,X2) active(__(__(X,Y),Z)) -> mark(__(X,__(Y,Z))) active(__(nil,X)) -> mark(X) active(__(X,nil)) -> mark(X) active(and(tt,X)) -> mark(X) active(isNePal(__(I,__(P,I)))) -> mark(tt) and(active(X1),X2) -> and(X1,X2) and(mark(X1),X2) -> and(X1,X2) and(X1,active(X2)) -> and(X1,X2) and(X1,mark(X2)) -> and(X1,X2) isNePal(active(X)) -> isNePal(X) isNePal(mark(X)) -> isNePal(X) mark(__(X1,X2)) -> active(__(mark(X1),mark(X2))) mark(and(X1,X2)) -> active(and(mark(X1),X2)) mark(isNePal(X)) -> active(isNePal(mark(X))) mark(nil) -> active(nil) mark(tt) -> active(tt) ->Interpretation type: Linear ->Coefficients: Natural Numbers ->Dimension: 1 ->Bound: 2 ->Interpretation: [__](X1,X2) = 2.X1 + X2 + 1 [active](X) = X [and](X1,X2) = 2.X1 + 2.X2 + 1 [isNePal](X) = 2.X + 2 [mark](X) = X [nil] = 1 [tt] = 1 [ACTIVE](X) = 2.X + 2 [MARK](X) = 2.X + 2 Problem 1.4: SCC Processor: -> Pairs: ACTIVE(and(tt,X)) -> MARK(X) MARK(__(X1,X2)) -> ACTIVE(__(mark(X1),mark(X2))) MARK(__(X1,X2)) -> MARK(X1) MARK(__(X1,X2)) -> MARK(X2) MARK(and(X1,X2)) -> ACTIVE(and(mark(X1),X2)) MARK(and(X1,X2)) -> MARK(X1) MARK(isNePal(X)) -> ACTIVE(isNePal(mark(X))) MARK(isNePal(X)) -> MARK(X) -> Rules: __(active(X1),X2) -> __(X1,X2) __(mark(X1),X2) -> __(X1,X2) __(X1,active(X2)) -> __(X1,X2) __(X1,mark(X2)) -> __(X1,X2) active(__(__(X,Y),Z)) -> mark(__(X,__(Y,Z))) active(__(nil,X)) -> mark(X) active(__(X,nil)) -> mark(X) active(and(tt,X)) -> mark(X) active(isNePal(__(I,__(P,I)))) -> mark(tt) and(active(X1),X2) -> and(X1,X2) and(mark(X1),X2) -> and(X1,X2) and(X1,active(X2)) -> and(X1,X2) and(X1,mark(X2)) -> and(X1,X2) isNePal(active(X)) -> isNePal(X) isNePal(mark(X)) -> isNePal(X) mark(__(X1,X2)) -> active(__(mark(X1),mark(X2))) mark(and(X1,X2)) -> active(and(mark(X1),X2)) mark(isNePal(X)) -> active(isNePal(mark(X))) mark(nil) -> active(nil) mark(tt) -> active(tt) ->Strongly Connected Components: ->->Cycle: ->->-> Pairs: ACTIVE(and(tt,X)) -> MARK(X) MARK(__(X1,X2)) -> ACTIVE(__(mark(X1),mark(X2))) MARK(__(X1,X2)) -> MARK(X1) MARK(__(X1,X2)) -> MARK(X2) MARK(and(X1,X2)) -> ACTIVE(and(mark(X1),X2)) MARK(and(X1,X2)) -> MARK(X1) MARK(isNePal(X)) -> ACTIVE(isNePal(mark(X))) MARK(isNePal(X)) -> MARK(X) ->->-> Rules: __(active(X1),X2) -> __(X1,X2) __(mark(X1),X2) -> __(X1,X2) __(X1,active(X2)) -> __(X1,X2) __(X1,mark(X2)) -> __(X1,X2) active(__(__(X,Y),Z)) -> mark(__(X,__(Y,Z))) active(__(nil,X)) -> mark(X) active(__(X,nil)) -> mark(X) active(and(tt,X)) -> mark(X) active(isNePal(__(I,__(P,I)))) -> mark(tt) and(active(X1),X2) -> and(X1,X2) and(mark(X1),X2) -> and(X1,X2) and(X1,active(X2)) -> and(X1,X2) and(X1,mark(X2)) -> and(X1,X2) isNePal(active(X)) -> isNePal(X) isNePal(mark(X)) -> isNePal(X) mark(__(X1,X2)) -> active(__(mark(X1),mark(X2))) mark(and(X1,X2)) -> active(and(mark(X1),X2)) mark(isNePal(X)) -> active(isNePal(mark(X))) mark(nil) -> active(nil) mark(tt) -> active(tt) Problem 1.4: Reduction Pair Processor: -> Pairs: ACTIVE(and(tt,X)) -> MARK(X) MARK(__(X1,X2)) -> ACTIVE(__(mark(X1),mark(X2))) MARK(__(X1,X2)) -> MARK(X1) MARK(__(X1,X2)) -> MARK(X2) MARK(and(X1,X2)) -> ACTIVE(and(mark(X1),X2)) MARK(and(X1,X2)) -> MARK(X1) MARK(isNePal(X)) -> ACTIVE(isNePal(mark(X))) MARK(isNePal(X)) -> MARK(X) -> Rules: __(active(X1),X2) -> __(X1,X2) __(mark(X1),X2) -> __(X1,X2) __(X1,active(X2)) -> __(X1,X2) __(X1,mark(X2)) -> __(X1,X2) active(__(__(X,Y),Z)) -> mark(__(X,__(Y,Z))) active(__(nil,X)) -> mark(X) active(__(X,nil)) -> mark(X) active(and(tt,X)) -> mark(X) active(isNePal(__(I,__(P,I)))) -> mark(tt) and(active(X1),X2) -> and(X1,X2) and(mark(X1),X2) -> and(X1,X2) and(X1,active(X2)) -> and(X1,X2) and(X1,mark(X2)) -> and(X1,X2) isNePal(active(X)) -> isNePal(X) isNePal(mark(X)) -> isNePal(X) mark(__(X1,X2)) -> active(__(mark(X1),mark(X2))) mark(and(X1,X2)) -> active(and(mark(X1),X2)) mark(isNePal(X)) -> active(isNePal(mark(X))) mark(nil) -> active(nil) mark(tt) -> active(tt) -> Usable rules: __(active(X1),X2) -> __(X1,X2) __(mark(X1),X2) -> __(X1,X2) __(X1,active(X2)) -> __(X1,X2) __(X1,mark(X2)) -> __(X1,X2) active(__(__(X,Y),Z)) -> mark(__(X,__(Y,Z))) active(__(nil,X)) -> mark(X) active(__(X,nil)) -> mark(X) active(and(tt,X)) -> mark(X) active(isNePal(__(I,__(P,I)))) -> mark(tt) and(active(X1),X2) -> and(X1,X2) and(mark(X1),X2) -> and(X1,X2) and(X1,active(X2)) -> and(X1,X2) and(X1,mark(X2)) -> and(X1,X2) isNePal(active(X)) -> isNePal(X) isNePal(mark(X)) -> isNePal(X) mark(__(X1,X2)) -> active(__(mark(X1),mark(X2))) mark(and(X1,X2)) -> active(and(mark(X1),X2)) mark(isNePal(X)) -> active(isNePal(mark(X))) mark(nil) -> active(nil) mark(tt) -> active(tt) ->Interpretation type: Linear ->Coefficients: Natural Numbers ->Dimension: 1 ->Bound: 2 ->Interpretation: [__](X1,X2) = 2.X1 + X2 + 2 [active](X) = X [and](X1,X2) = 2.X1 + 2.X2 + 2 [isNePal](X) = 2.X + 2 [mark](X) = X [nil] = 1 [tt] = 1 [ACTIVE](X) = 2.X [MARK](X) = 2.X + 1 Problem 1.4: SCC Processor: -> Pairs: MARK(__(X1,X2)) -> ACTIVE(__(mark(X1),mark(X2))) MARK(__(X1,X2)) -> MARK(X1) MARK(__(X1,X2)) -> MARK(X2) MARK(and(X1,X2)) -> ACTIVE(and(mark(X1),X2)) MARK(and(X1,X2)) -> MARK(X1) MARK(isNePal(X)) -> ACTIVE(isNePal(mark(X))) MARK(isNePal(X)) -> MARK(X) -> Rules: __(active(X1),X2) -> __(X1,X2) __(mark(X1),X2) -> __(X1,X2) __(X1,active(X2)) -> __(X1,X2) __(X1,mark(X2)) -> __(X1,X2) active(__(__(X,Y),Z)) -> mark(__(X,__(Y,Z))) active(__(nil,X)) -> mark(X) active(__(X,nil)) -> mark(X) active(and(tt,X)) -> mark(X) active(isNePal(__(I,__(P,I)))) -> mark(tt) and(active(X1),X2) -> and(X1,X2) and(mark(X1),X2) -> and(X1,X2) and(X1,active(X2)) -> and(X1,X2) and(X1,mark(X2)) -> and(X1,X2) isNePal(active(X)) -> isNePal(X) isNePal(mark(X)) -> isNePal(X) mark(__(X1,X2)) -> active(__(mark(X1),mark(X2))) mark(and(X1,X2)) -> active(and(mark(X1),X2)) mark(isNePal(X)) -> active(isNePal(mark(X))) mark(nil) -> active(nil) mark(tt) -> active(tt) ->Strongly Connected Components: ->->Cycle: ->->-> Pairs: MARK(__(X1,X2)) -> MARK(X1) MARK(__(X1,X2)) -> MARK(X2) MARK(and(X1,X2)) -> MARK(X1) MARK(isNePal(X)) -> MARK(X) ->->-> Rules: __(active(X1),X2) -> __(X1,X2) __(mark(X1),X2) -> __(X1,X2) __(X1,active(X2)) -> __(X1,X2) __(X1,mark(X2)) -> __(X1,X2) active(__(__(X,Y),Z)) -> mark(__(X,__(Y,Z))) active(__(nil,X)) -> mark(X) active(__(X,nil)) -> mark(X) active(and(tt,X)) -> mark(X) active(isNePal(__(I,__(P,I)))) -> mark(tt) and(active(X1),X2) -> and(X1,X2) and(mark(X1),X2) -> and(X1,X2) and(X1,active(X2)) -> and(X1,X2) and(X1,mark(X2)) -> and(X1,X2) isNePal(active(X)) -> isNePal(X) isNePal(mark(X)) -> isNePal(X) mark(__(X1,X2)) -> active(__(mark(X1),mark(X2))) mark(and(X1,X2)) -> active(and(mark(X1),X2)) mark(isNePal(X)) -> active(isNePal(mark(X))) mark(nil) -> active(nil) mark(tt) -> active(tt) Problem 1.4: Subterm Processor: -> Pairs: MARK(__(X1,X2)) -> MARK(X1) MARK(__(X1,X2)) -> MARK(X2) MARK(and(X1,X2)) -> MARK(X1) MARK(isNePal(X)) -> MARK(X) -> Rules: __(active(X1),X2) -> __(X1,X2) __(mark(X1),X2) -> __(X1,X2) __(X1,active(X2)) -> __(X1,X2) __(X1,mark(X2)) -> __(X1,X2) active(__(__(X,Y),Z)) -> mark(__(X,__(Y,Z))) active(__(nil,X)) -> mark(X) active(__(X,nil)) -> mark(X) active(and(tt,X)) -> mark(X) active(isNePal(__(I,__(P,I)))) -> mark(tt) and(active(X1),X2) -> and(X1,X2) and(mark(X1),X2) -> and(X1,X2) and(X1,active(X2)) -> and(X1,X2) and(X1,mark(X2)) -> and(X1,X2) isNePal(active(X)) -> isNePal(X) isNePal(mark(X)) -> isNePal(X) mark(__(X1,X2)) -> active(__(mark(X1),mark(X2))) mark(and(X1,X2)) -> active(and(mark(X1),X2)) mark(isNePal(X)) -> active(isNePal(mark(X))) mark(nil) -> active(nil) mark(tt) -> active(tt) ->Projection: pi(MARK) = 1 Problem 1.4: SCC Processor: -> Pairs: Empty -> Rules: __(active(X1),X2) -> __(X1,X2) __(mark(X1),X2) -> __(X1,X2) __(X1,active(X2)) -> __(X1,X2) __(X1,mark(X2)) -> __(X1,X2) active(__(__(X,Y),Z)) -> mark(__(X,__(Y,Z))) active(__(nil,X)) -> mark(X) active(__(X,nil)) -> mark(X) active(and(tt,X)) -> mark(X) active(isNePal(__(I,__(P,I)))) -> mark(tt) and(active(X1),X2) -> and(X1,X2) and(mark(X1),X2) -> and(X1,X2) and(X1,active(X2)) -> and(X1,X2) and(X1,mark(X2)) -> and(X1,X2) isNePal(active(X)) -> isNePal(X) isNePal(mark(X)) -> isNePal(X) mark(__(X1,X2)) -> active(__(mark(X1),mark(X2))) mark(and(X1,X2)) -> active(and(mark(X1),X2)) mark(isNePal(X)) -> active(isNePal(mark(X))) mark(nil) -> active(nil) mark(tt) -> active(tt) ->Strongly Connected Components: There is no strongly connected component The problem is finite.