YES Problem 1: (VAR v_NonEmpty:S X:S Y:S) (RULES min(min(X:S,Y:S),Z) -> min(X:S,plus(Y:S,Z)) min(s(X:S),s(Y:S)) -> min(X:S,Y:S) min(X:S,0) -> X:S plus(0,Y:S) -> Y:S plus(s(X:S),Y:S) -> s(plus(X:S,Y:S)) quot(0,s(Y:S)) -> 0 quot(s(X:S),s(Y:S)) -> s(quot(min(X:S,Y:S),s(Y:S))) ) Problem 1: Dependency Pairs Processor: -> Pairs: MIN(min(X:S,Y:S),Z) -> MIN(X:S,plus(Y:S,Z)) MIN(min(X:S,Y:S),Z) -> PLUS(Y:S,Z) MIN(s(X:S),s(Y:S)) -> MIN(X:S,Y:S) PLUS(s(X:S),Y:S) -> PLUS(X:S,Y:S) QUOT(s(X:S),s(Y:S)) -> MIN(X:S,Y:S) QUOT(s(X:S),s(Y:S)) -> QUOT(min(X:S,Y:S),s(Y:S)) -> Rules: min(min(X:S,Y:S),Z) -> min(X:S,plus(Y:S,Z)) min(s(X:S),s(Y:S)) -> min(X:S,Y:S) min(X:S,0) -> X:S plus(0,Y:S) -> Y:S plus(s(X:S),Y:S) -> s(plus(X:S,Y:S)) quot(0,s(Y:S)) -> 0 quot(s(X:S),s(Y:S)) -> s(quot(min(X:S,Y:S),s(Y:S))) Problem 1: SCC Processor: -> Pairs: MIN(min(X:S,Y:S),Z) -> MIN(X:S,plus(Y:S,Z)) MIN(min(X:S,Y:S),Z) -> PLUS(Y:S,Z) MIN(s(X:S),s(Y:S)) -> MIN(X:S,Y:S) PLUS(s(X:S),Y:S) -> PLUS(X:S,Y:S) QUOT(s(X:S),s(Y:S)) -> MIN(X:S,Y:S) QUOT(s(X:S),s(Y:S)) -> QUOT(min(X:S,Y:S),s(Y:S)) -> Rules: min(min(X:S,Y:S),Z) -> min(X:S,plus(Y:S,Z)) min(s(X:S),s(Y:S)) -> min(X:S,Y:S) min(X:S,0) -> X:S plus(0,Y:S) -> Y:S plus(s(X:S),Y:S) -> s(plus(X:S,Y:S)) quot(0,s(Y:S)) -> 0 quot(s(X:S),s(Y:S)) -> s(quot(min(X:S,Y:S),s(Y:S))) ->Strongly Connected Components: ->->Cycle: ->->-> Pairs: PLUS(s(X:S),Y:S) -> PLUS(X:S,Y:S) ->->-> Rules: min(min(X:S,Y:S),Z) -> min(X:S,plus(Y:S,Z)) min(s(X:S),s(Y:S)) -> min(X:S,Y:S) min(X:S,0) -> X:S plus(0,Y:S) -> Y:S plus(s(X:S),Y:S) -> s(plus(X:S,Y:S)) quot(0,s(Y:S)) -> 0 quot(s(X:S),s(Y:S)) -> s(quot(min(X:S,Y:S),s(Y:S))) ->->Cycle: ->->-> Pairs: MIN(min(X:S,Y:S),Z) -> MIN(X:S,plus(Y:S,Z)) MIN(s(X:S),s(Y:S)) -> MIN(X:S,Y:S) ->->-> Rules: min(min(X:S,Y:S),Z) -> min(X:S,plus(Y:S,Z)) min(s(X:S),s(Y:S)) -> min(X:S,Y:S) min(X:S,0) -> X:S plus(0,Y:S) -> Y:S plus(s(X:S),Y:S) -> s(plus(X:S,Y:S)) quot(0,s(Y:S)) -> 0 quot(s(X:S),s(Y:S)) -> s(quot(min(X:S,Y:S),s(Y:S))) ->->Cycle: ->->-> Pairs: QUOT(s(X:S),s(Y:S)) -> QUOT(min(X:S,Y:S),s(Y:S)) ->->-> Rules: min(min(X:S,Y:S),Z) -> min(X:S,plus(Y:S,Z)) min(s(X:S),s(Y:S)) -> min(X:S,Y:S) min(X:S,0) -> X:S plus(0,Y:S) -> Y:S plus(s(X:S),Y:S) -> s(plus(X:S,Y:S)) quot(0,s(Y:S)) -> 0 quot(s(X:S),s(Y:S)) -> s(quot(min(X:S,Y:S),s(Y:S))) The problem is decomposed in 3 subproblems. Problem 1.1: Subterm Processor: -> Pairs: PLUS(s(X:S),Y:S) -> PLUS(X:S,Y:S) -> Rules: min(min(X:S,Y:S),Z) -> min(X:S,plus(Y:S,Z)) min(s(X:S),s(Y:S)) -> min(X:S,Y:S) min(X:S,0) -> X:S plus(0,Y:S) -> Y:S plus(s(X:S),Y:S) -> s(plus(X:S,Y:S)) quot(0,s(Y:S)) -> 0 quot(s(X:S),s(Y:S)) -> s(quot(min(X:S,Y:S),s(Y:S))) ->Projection: pi(PLUS) = 1 Problem 1.1: SCC Processor: -> Pairs: Empty -> Rules: min(min(X:S,Y:S),Z) -> min(X:S,plus(Y:S,Z)) min(s(X:S),s(Y:S)) -> min(X:S,Y:S) min(X:S,0) -> X:S plus(0,Y:S) -> Y:S plus(s(X:S),Y:S) -> s(plus(X:S,Y:S)) quot(0,s(Y:S)) -> 0 quot(s(X:S),s(Y:S)) -> s(quot(min(X:S,Y:S),s(Y:S))) ->Strongly Connected Components: There is no strongly connected component The problem is finite. Problem 1.2: Subterm Processor: -> Pairs: MIN(min(X:S,Y:S),Z) -> MIN(X:S,plus(Y:S,Z)) MIN(s(X:S),s(Y:S)) -> MIN(X:S,Y:S) -> Rules: min(min(X:S,Y:S),Z) -> min(X:S,plus(Y:S,Z)) min(s(X:S),s(Y:S)) -> min(X:S,Y:S) min(X:S,0) -> X:S plus(0,Y:S) -> Y:S plus(s(X:S),Y:S) -> s(plus(X:S,Y:S)) quot(0,s(Y:S)) -> 0 quot(s(X:S),s(Y:S)) -> s(quot(min(X:S,Y:S),s(Y:S))) ->Projection: pi(MIN) = 1 Problem 1.2: SCC Processor: -> Pairs: Empty -> Rules: min(min(X:S,Y:S),Z) -> min(X:S,plus(Y:S,Z)) min(s(X:S),s(Y:S)) -> min(X:S,Y:S) min(X:S,0) -> X:S plus(0,Y:S) -> Y:S plus(s(X:S),Y:S) -> s(plus(X:S,Y:S)) quot(0,s(Y:S)) -> 0 quot(s(X:S),s(Y:S)) -> s(quot(min(X:S,Y:S),s(Y:S))) ->Strongly Connected Components: There is no strongly connected component The problem is finite. Problem 1.3: Reduction Pair Processor: -> Pairs: QUOT(s(X:S),s(Y:S)) -> QUOT(min(X:S,Y:S),s(Y:S)) -> Rules: min(min(X:S,Y:S),Z) -> min(X:S,plus(Y:S,Z)) min(s(X:S),s(Y:S)) -> min(X:S,Y:S) min(X:S,0) -> X:S plus(0,Y:S) -> Y:S plus(s(X:S),Y:S) -> s(plus(X:S,Y:S)) quot(0,s(Y:S)) -> 0 quot(s(X:S),s(Y:S)) -> s(quot(min(X:S,Y:S),s(Y:S))) -> Usable rules: min(min(X:S,Y:S),Z) -> min(X:S,plus(Y:S,Z)) min(s(X:S),s(Y:S)) -> min(X:S,Y:S) min(X:S,0) -> X:S plus(0,Y:S) -> Y:S plus(s(X:S),Y:S) -> s(plus(X:S,Y:S)) ->Interpretation type: Linear ->Coefficients: Natural Numbers ->Dimension: 1 ->Bound: 2 ->Interpretation: [min](X1,X2) = X1 [plus](X1,X2) = X1 + X2 + 1 [0] = 0 [Z] = 0 [s](X) = X + 1 [QUOT](X1,X2) = 2.X1 Problem 1.3: SCC Processor: -> Pairs: Empty -> Rules: min(min(X:S,Y:S),Z) -> min(X:S,plus(Y:S,Z)) min(s(X:S),s(Y:S)) -> min(X:S,Y:S) min(X:S,0) -> X:S plus(0,Y:S) -> Y:S plus(s(X:S),Y:S) -> s(plus(X:S,Y:S)) quot(0,s(Y:S)) -> 0 quot(s(X:S),s(Y:S)) -> s(quot(min(X:S,Y:S),s(Y:S))) ->Strongly Connected Components: There is no strongly connected component The problem is finite.