YES Problem 1: (VAR v_NonEmpty:S x:S y:S z:S) (RULES +(minus(+(x:S,1)),1) -> minus(x:S) +(minus(1),1) -> 0 +(0,y:S) -> y:S +(x:S,+(y:S,z:S)) -> +(+(x:S,y:S),z:S) +(x:S,minus(y:S)) -> minus(+(minus(x:S),y:S)) +(x:S,0) -> x:S minus(minus(x:S)) -> x:S minus(0) -> 0 ) Problem 1: Dependency Pairs Processor: -> Pairs: +#(minus(+(x:S,1)),1) -> MINUS(x:S) +#(x:S,+(y:S,z:S)) -> +#(+(x:S,y:S),z:S) +#(x:S,+(y:S,z:S)) -> +#(x:S,y:S) +#(x:S,minus(y:S)) -> +#(minus(x:S),y:S) +#(x:S,minus(y:S)) -> MINUS(+(minus(x:S),y:S)) +#(x:S,minus(y:S)) -> MINUS(x:S) -> Rules: +(minus(+(x:S,1)),1) -> minus(x:S) +(minus(1),1) -> 0 +(0,y:S) -> y:S +(x:S,+(y:S,z:S)) -> +(+(x:S,y:S),z:S) +(x:S,minus(y:S)) -> minus(+(minus(x:S),y:S)) +(x:S,0) -> x:S minus(minus(x:S)) -> x:S minus(0) -> 0 Problem 1: SCC Processor: -> Pairs: +#(minus(+(x:S,1)),1) -> MINUS(x:S) +#(x:S,+(y:S,z:S)) -> +#(+(x:S,y:S),z:S) +#(x:S,+(y:S,z:S)) -> +#(x:S,y:S) +#(x:S,minus(y:S)) -> +#(minus(x:S),y:S) +#(x:S,minus(y:S)) -> MINUS(+(minus(x:S),y:S)) +#(x:S,minus(y:S)) -> MINUS(x:S) -> Rules: +(minus(+(x:S,1)),1) -> minus(x:S) +(minus(1),1) -> 0 +(0,y:S) -> y:S +(x:S,+(y:S,z:S)) -> +(+(x:S,y:S),z:S) +(x:S,minus(y:S)) -> minus(+(minus(x:S),y:S)) +(x:S,0) -> x:S minus(minus(x:S)) -> x:S minus(0) -> 0 ->Strongly Connected Components: ->->Cycle: ->->-> Pairs: +#(x:S,+(y:S,z:S)) -> +#(+(x:S,y:S),z:S) +#(x:S,+(y:S,z:S)) -> +#(x:S,y:S) +#(x:S,minus(y:S)) -> +#(minus(x:S),y:S) ->->-> Rules: +(minus(+(x:S,1)),1) -> minus(x:S) +(minus(1),1) -> 0 +(0,y:S) -> y:S +(x:S,+(y:S,z:S)) -> +(+(x:S,y:S),z:S) +(x:S,minus(y:S)) -> minus(+(minus(x:S),y:S)) +(x:S,0) -> x:S minus(minus(x:S)) -> x:S minus(0) -> 0 Problem 1: Subterm Processor: -> Pairs: +#(x:S,+(y:S,z:S)) -> +#(+(x:S,y:S),z:S) +#(x:S,+(y:S,z:S)) -> +#(x:S,y:S) +#(x:S,minus(y:S)) -> +#(minus(x:S),y:S) -> Rules: +(minus(+(x:S,1)),1) -> minus(x:S) +(minus(1),1) -> 0 +(0,y:S) -> y:S +(x:S,+(y:S,z:S)) -> +(+(x:S,y:S),z:S) +(x:S,minus(y:S)) -> minus(+(minus(x:S),y:S)) +(x:S,0) -> x:S minus(minus(x:S)) -> x:S minus(0) -> 0 ->Projection: pi(+#) = 2 Problem 1: SCC Processor: -> Pairs: Empty -> Rules: +(minus(+(x:S,1)),1) -> minus(x:S) +(minus(1),1) -> 0 +(0,y:S) -> y:S +(x:S,+(y:S,z:S)) -> +(+(x:S,y:S),z:S) +(x:S,minus(y:S)) -> minus(+(minus(x:S),y:S)) +(x:S,0) -> x:S minus(minus(x:S)) -> x:S minus(0) -> 0 ->Strongly Connected Components: There is no strongly connected component The problem is finite.