YES Problem 1: (VAR v_NonEmpty:S x:S y:S) (RULES plus(x:S,0) -> x:S times(x:S,plus(y:S,1)) -> plus(times(x:S,plus(y:S,times(1,0))),x:S) times(x:S,0) -> 0 times(x:S,1) -> x:S ) Problem 1: Innermost Equivalent Processor: -> Rules: plus(x:S,0) -> x:S times(x:S,plus(y:S,1)) -> plus(times(x:S,plus(y:S,times(1,0))),x:S) times(x:S,0) -> 0 times(x:S,1) -> 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: TIMES(x:S,plus(y:S,1)) -> PLUS(times(x:S,plus(y:S,times(1,0))),x:S) TIMES(x:S,plus(y:S,1)) -> PLUS(y:S,times(1,0)) TIMES(x:S,plus(y:S,1)) -> TIMES(1,0) TIMES(x:S,plus(y:S,1)) -> TIMES(x:S,plus(y:S,times(1,0))) -> Rules: plus(x:S,0) -> x:S times(x:S,plus(y:S,1)) -> plus(times(x:S,plus(y:S,times(1,0))),x:S) times(x:S,0) -> 0 times(x:S,1) -> x:S Problem 1: SCC Processor: -> Pairs: TIMES(x:S,plus(y:S,1)) -> PLUS(times(x:S,plus(y:S,times(1,0))),x:S) TIMES(x:S,plus(y:S,1)) -> PLUS(y:S,times(1,0)) TIMES(x:S,plus(y:S,1)) -> TIMES(1,0) TIMES(x:S,plus(y:S,1)) -> TIMES(x:S,plus(y:S,times(1,0))) -> Rules: plus(x:S,0) -> x:S times(x:S,plus(y:S,1)) -> plus(times(x:S,plus(y:S,times(1,0))),x:S) times(x:S,0) -> 0 times(x:S,1) -> x:S ->Strongly Connected Components: ->->Cycle: ->->-> Pairs: TIMES(x:S,plus(y:S,1)) -> TIMES(x:S,plus(y:S,times(1,0))) ->->-> Rules: plus(x:S,0) -> x:S times(x:S,plus(y:S,1)) -> plus(times(x:S,plus(y:S,times(1,0))),x:S) times(x:S,0) -> 0 times(x:S,1) -> x:S Problem 1: Reduction Pairs Processor: -> Pairs: TIMES(x:S,plus(y:S,1)) -> TIMES(x:S,plus(y:S,times(1,0))) -> Rules: plus(x:S,0) -> x:S times(x:S,plus(y:S,1)) -> plus(times(x:S,plus(y:S,times(1,0))),x:S) times(x:S,0) -> 0 times(x:S,1) -> x:S -> Usable rules: plus(x:S,0) -> x:S times(x:S,plus(y:S,1)) -> plus(times(x:S,plus(y:S,times(1,0))),x:S) times(x:S,0) -> 0 times(x:S,1) -> x:S ->Interpretation type: Simple mixed ->Coefficients: Natural Numbers ->Dimension: 1 ->Bound: 2 ->Interpretation: [plus](X1,X2) = X1 + 2.X2 [times](X1,X2) = 2.X1.X2 [0] = 0 [1] = 2 [fSNonEmpty] = 0 [PLUS](X1,X2) = 0 [TIMES](X1,X2) = 2.X2 Problem 1: SCC Processor: -> Pairs: Empty -> Rules: plus(x:S,0) -> x:S times(x:S,plus(y:S,1)) -> plus(times(x:S,plus(y:S,times(1,0))),x:S) times(x:S,0) -> 0 times(x:S,1) -> x:S ->Strongly Connected Components: There is no strongly connected component The problem is finite.