YES Problem 1: (VAR x y z) (THEORY (AC times plus)) (RULES times(plus(x,y),z) -> plus(times(x,z),times(y,z)) times(z,plus(x,f(y))) -> times(g(z,y),plus(x,a)) ) Problem 1: Dependency Pairs Processor: -> FAxioms: TIMES(times(x3,x4),x5) = TIMES(x3,times(x4,x5)) TIMES(x3,x4) = TIMES(x4,x3) PLUS(plus(x3,x4),x5) = PLUS(x3,plus(x4,x5)) PLUS(x3,x4) = PLUS(x4,x3) -> Pairs: TIMES(times(plus(x,y),z),x3) -> TIMES(plus(times(x,z),times(y,z)),x3) TIMES(times(plus(x,y),z),x3) -> TIMES(x,z) TIMES(times(plus(x,y),z),x3) -> TIMES(y,z) TIMES(times(z,plus(x,f(y))),x3) -> TIMES(times(g(z,y),plus(x,a)),x3) TIMES(times(z,plus(x,f(y))),x3) -> TIMES(g(z,y),plus(x,a)) TIMES(plus(x,y),z) -> TIMES(x,z) TIMES(plus(x,y),z) -> TIMES(y,z) TIMES(z,plus(x,f(y))) -> TIMES(g(z,y),plus(x,a)) -> EAxioms: times(times(x3,x4),x5) = times(x3,times(x4,x5)) times(x3,x4) = times(x4,x3) plus(plus(x3,x4),x5) = plus(x3,plus(x4,x5)) plus(x3,x4) = plus(x4,x3) -> Rules: times(plus(x,y),z) -> plus(times(x,z),times(y,z)) times(z,plus(x,f(y))) -> times(g(z,y),plus(x,a)) -> SRules: TIMES(times(x3,x4),x5) -> TIMES(x3,x4) TIMES(x3,times(x4,x5)) -> TIMES(x4,x5) PLUS(plus(x3,x4),x5) -> PLUS(x3,x4) PLUS(x3,plus(x4,x5)) -> PLUS(x4,x5) Problem 1: SCC Processor: -> FAxioms: TIMES(times(x3,x4),x5) = TIMES(x3,times(x4,x5)) TIMES(x3,x4) = TIMES(x4,x3) PLUS(plus(x3,x4),x5) = PLUS(x3,plus(x4,x5)) PLUS(x3,x4) = PLUS(x4,x3) -> Pairs: TIMES(times(plus(x,y),z),x3) -> TIMES(plus(times(x,z),times(y,z)),x3) TIMES(times(plus(x,y),z),x3) -> TIMES(x,z) TIMES(times(plus(x,y),z),x3) -> TIMES(y,z) TIMES(times(z,plus(x,f(y))),x3) -> TIMES(times(g(z,y),plus(x,a)),x3) TIMES(times(z,plus(x,f(y))),x3) -> TIMES(g(z,y),plus(x,a)) TIMES(plus(x,y),z) -> TIMES(x,z) TIMES(plus(x,y),z) -> TIMES(y,z) TIMES(z,plus(x,f(y))) -> TIMES(g(z,y),plus(x,a)) -> EAxioms: times(times(x3,x4),x5) = times(x3,times(x4,x5)) times(x3,x4) = times(x4,x3) plus(plus(x3,x4),x5) = plus(x3,plus(x4,x5)) plus(x3,x4) = plus(x4,x3) -> Rules: times(plus(x,y),z) -> plus(times(x,z),times(y,z)) times(z,plus(x,f(y))) -> times(g(z,y),plus(x,a)) -> SRules: TIMES(times(x3,x4),x5) -> TIMES(x3,x4) TIMES(x3,times(x4,x5)) -> TIMES(x4,x5) PLUS(plus(x3,x4),x5) -> PLUS(x3,x4) PLUS(x3,plus(x4,x5)) -> PLUS(x4,x5) ->Strongly Connected Components: ->->Cycle: ->->-> Pairs: TIMES(times(plus(x,y),z),x3) -> TIMES(plus(times(x,z),times(y,z)),x3) TIMES(times(plus(x,y),z),x3) -> TIMES(x,z) TIMES(times(plus(x,y),z),x3) -> TIMES(y,z) TIMES(times(z,plus(x,f(y))),x3) -> TIMES(times(g(z,y),plus(x,a)),x3) TIMES(times(z,plus(x,f(y))),x3) -> TIMES(g(z,y),plus(x,a)) TIMES(plus(x,y),z) -> TIMES(x,z) TIMES(plus(x,y),z) -> TIMES(y,z) TIMES(z,plus(x,f(y))) -> TIMES(g(z,y),plus(x,a)) -> FAxioms: times(times(x3,x4),x5) -> times(x3,times(x4,x5)) times(x3,x4) -> times(x4,x3) plus(plus(x3,x4),x5) -> plus(x3,plus(x4,x5)) plus(x3,x4) -> plus(x4,x3) TIMES(times(x3,x4),x5) -> TIMES(x3,times(x4,x5)) TIMES(x3,x4) -> TIMES(x4,x3) -> EAxioms: times(times(x3,x4),x5) = times(x3,times(x4,x5)) times(x3,x4) = times(x4,x3) plus(plus(x3,x4),x5) = plus(x3,plus(x4,x5)) plus(x3,x4) = plus(x4,x3) ->->-> Rules: times(plus(x,y),z) -> plus(times(x,z),times(y,z)) times(z,plus(x,f(y))) -> times(g(z,y),plus(x,a)) -> SRules: TIMES(times(x3,x4),x5) -> TIMES(x3,x4) TIMES(x3,times(x4,x5)) -> TIMES(x4,x5) Problem 1: Reduction Pairs Processor: -> FAxioms: TIMES(times(x3,x4),x5) = TIMES(x3,times(x4,x5)) TIMES(x3,x4) = TIMES(x4,x3) -> Pairs: TIMES(times(plus(x,y),z),x3) -> TIMES(plus(times(x,z),times(y,z)),x3) TIMES(times(plus(x,y),z),x3) -> TIMES(x,z) TIMES(times(plus(x,y),z),x3) -> TIMES(y,z) TIMES(times(z,plus(x,f(y))),x3) -> TIMES(times(g(z,y),plus(x,a)),x3) TIMES(times(z,plus(x,f(y))),x3) -> TIMES(g(z,y),plus(x,a)) TIMES(plus(x,y),z) -> TIMES(x,z) TIMES(plus(x,y),z) -> TIMES(y,z) TIMES(z,plus(x,f(y))) -> TIMES(g(z,y),plus(x,a)) -> EAxioms: times(times(x3,x4),x5) = times(x3,times(x4,x5)) times(x3,x4) = times(x4,x3) plus(plus(x3,x4),x5) = plus(x3,plus(x4,x5)) plus(x3,x4) = plus(x4,x3) -> Usable Equations: times(times(x3,x4),x5) = times(x3,times(x4,x5)) times(x3,x4) = times(x4,x3) plus(plus(x3,x4),x5) = plus(x3,plus(x4,x5)) plus(x3,x4) = plus(x4,x3) -> Rules: times(plus(x,y),z) -> plus(times(x,z),times(y,z)) times(z,plus(x,f(y))) -> times(g(z,y),plus(x,a)) -> Usable Rules: times(plus(x,y),z) -> plus(times(x,z),times(y,z)) times(z,plus(x,f(y))) -> times(g(z,y),plus(x,a)) -> SRules: TIMES(times(x3,x4),x5) -> TIMES(x3,x4) TIMES(x3,times(x4,x5)) -> TIMES(x4,x5) ->Interpretation type: Simple mixed ->Coefficients: Natural Numbers ->Dimension: 1 ->Bound: 1 ->Interpretation: [times](X1,X2) = X1.X2 + X1 + X2 [a] = 1 [f](X) = X + 1 [g](X1,X2) = X1 [plus](X1,X2) = X1 + X2 + 1 [TIMES](X1,X2) = X1.X2 + X1 + X2 [PLUS](X1,X2) = 0 Problem 1: SCC Processor: -> FAxioms: TIMES(times(x3,x4),x5) = TIMES(x3,times(x4,x5)) TIMES(x3,x4) = TIMES(x4,x3) -> Pairs: TIMES(times(plus(x,y),z),x3) -> TIMES(plus(times(x,z),times(y,z)),x3) TIMES(times(plus(x,y),z),x3) -> TIMES(y,z) TIMES(times(z,plus(x,f(y))),x3) -> TIMES(times(g(z,y),plus(x,a)),x3) TIMES(times(z,plus(x,f(y))),x3) -> TIMES(g(z,y),plus(x,a)) TIMES(plus(x,y),z) -> TIMES(x,z) TIMES(plus(x,y),z) -> TIMES(y,z) TIMES(z,plus(x,f(y))) -> TIMES(g(z,y),plus(x,a)) -> EAxioms: times(times(x3,x4),x5) = times(x3,times(x4,x5)) times(x3,x4) = times(x4,x3) plus(plus(x3,x4),x5) = plus(x3,plus(x4,x5)) plus(x3,x4) = plus(x4,x3) -> Rules: times(plus(x,y),z) -> plus(times(x,z),times(y,z)) times(z,plus(x,f(y))) -> times(g(z,y),plus(x,a)) -> SRules: TIMES(times(x3,x4),x5) -> TIMES(x3,x4) TIMES(x3,times(x4,x5)) -> TIMES(x4,x5) ->Strongly Connected Components: ->->Cycle: ->->-> Pairs: TIMES(times(plus(x,y),z),x3) -> TIMES(plus(times(x,z),times(y,z)),x3) TIMES(times(plus(x,y),z),x3) -> TIMES(y,z) TIMES(times(z,plus(x,f(y))),x3) -> TIMES(times(g(z,y),plus(x,a)),x3) TIMES(times(z,plus(x,f(y))),x3) -> TIMES(g(z,y),plus(x,a)) TIMES(plus(x,y),z) -> TIMES(x,z) TIMES(plus(x,y),z) -> TIMES(y,z) TIMES(z,plus(x,f(y))) -> TIMES(g(z,y),plus(x,a)) -> FAxioms: times(times(x3,x4),x5) -> times(x3,times(x4,x5)) times(x3,x4) -> times(x4,x3) plus(plus(x3,x4),x5) -> plus(x3,plus(x4,x5)) plus(x3,x4) -> plus(x4,x3) TIMES(times(x3,x4),x5) -> TIMES(x3,times(x4,x5)) TIMES(x3,x4) -> TIMES(x4,x3) -> EAxioms: times(times(x3,x4),x5) = times(x3,times(x4,x5)) times(x3,x4) = times(x4,x3) plus(plus(x3,x4),x5) = plus(x3,plus(x4,x5)) plus(x3,x4) = plus(x4,x3) ->->-> Rules: times(plus(x,y),z) -> plus(times(x,z),times(y,z)) times(z,plus(x,f(y))) -> times(g(z,y),plus(x,a)) -> SRules: TIMES(times(x3,x4),x5) -> TIMES(x3,x4) TIMES(x3,times(x4,x5)) -> TIMES(x4,x5) Problem 1: Reduction Pairs Processor: -> FAxioms: TIMES(times(x3,x4),x5) = TIMES(x3,times(x4,x5)) TIMES(x3,x4) = TIMES(x4,x3) -> Pairs: TIMES(times(plus(x,y),z),x3) -> TIMES(plus(times(x,z),times(y,z)),x3) TIMES(times(plus(x,y),z),x3) -> TIMES(y,z) TIMES(times(z,plus(x,f(y))),x3) -> TIMES(times(g(z,y),plus(x,a)),x3) TIMES(times(z,plus(x,f(y))),x3) -> TIMES(g(z,y),plus(x,a)) TIMES(plus(x,y),z) -> TIMES(x,z) TIMES(plus(x,y),z) -> TIMES(y,z) TIMES(z,plus(x,f(y))) -> TIMES(g(z,y),plus(x,a)) -> EAxioms: times(times(x3,x4),x5) = times(x3,times(x4,x5)) times(x3,x4) = times(x4,x3) plus(plus(x3,x4),x5) = plus(x3,plus(x4,x5)) plus(x3,x4) = plus(x4,x3) -> Usable Equations: times(times(x3,x4),x5) = times(x3,times(x4,x5)) times(x3,x4) = times(x4,x3) plus(plus(x3,x4),x5) = plus(x3,plus(x4,x5)) plus(x3,x4) = plus(x4,x3) -> Rules: times(plus(x,y),z) -> plus(times(x,z),times(y,z)) times(z,plus(x,f(y))) -> times(g(z,y),plus(x,a)) -> Usable Rules: times(plus(x,y),z) -> plus(times(x,z),times(y,z)) times(z,plus(x,f(y))) -> times(g(z,y),plus(x,a)) -> SRules: TIMES(times(x3,x4),x5) -> TIMES(x3,x4) TIMES(x3,times(x4,x5)) -> TIMES(x4,x5) ->Interpretation type: Simple mixed ->Coefficients: Natural Numbers ->Dimension: 1 ->Bound: 1 ->Interpretation: [times](X1,X2) = X1.X2 + X1 + X2 [a] = 1 [f](X) = X + 1 [g](X1,X2) = X1 [plus](X1,X2) = X1 + X2 + 1 [TIMES](X1,X2) = X1.X2 + X1 + X2 [PLUS](X1,X2) = 0 Problem 1: SCC Processor: -> FAxioms: TIMES(times(x3,x4),x5) = TIMES(x3,times(x4,x5)) TIMES(x3,x4) = TIMES(x4,x3) -> Pairs: TIMES(times(plus(x,y),z),x3) -> TIMES(plus(times(x,z),times(y,z)),x3) TIMES(times(z,plus(x,f(y))),x3) -> TIMES(times(g(z,y),plus(x,a)),x3) TIMES(times(z,plus(x,f(y))),x3) -> TIMES(g(z,y),plus(x,a)) TIMES(plus(x,y),z) -> TIMES(x,z) TIMES(plus(x,y),z) -> TIMES(y,z) TIMES(z,plus(x,f(y))) -> TIMES(g(z,y),plus(x,a)) -> EAxioms: times(times(x3,x4),x5) = times(x3,times(x4,x5)) times(x3,x4) = times(x4,x3) plus(plus(x3,x4),x5) = plus(x3,plus(x4,x5)) plus(x3,x4) = plus(x4,x3) -> Rules: times(plus(x,y),z) -> plus(times(x,z),times(y,z)) times(z,plus(x,f(y))) -> times(g(z,y),plus(x,a)) -> SRules: TIMES(times(x3,x4),x5) -> TIMES(x3,x4) TIMES(x3,times(x4,x5)) -> TIMES(x4,x5) ->Strongly Connected Components: ->->Cycle: ->->-> Pairs: TIMES(times(plus(x,y),z),x3) -> TIMES(plus(times(x,z),times(y,z)),x3) TIMES(times(z,plus(x,f(y))),x3) -> TIMES(times(g(z,y),plus(x,a)),x3) TIMES(times(z,plus(x,f(y))),x3) -> TIMES(g(z,y),plus(x,a)) TIMES(plus(x,y),z) -> TIMES(x,z) TIMES(plus(x,y),z) -> TIMES(y,z) TIMES(z,plus(x,f(y))) -> TIMES(g(z,y),plus(x,a)) -> FAxioms: times(times(x3,x4),x5) -> times(x3,times(x4,x5)) times(x3,x4) -> times(x4,x3) plus(plus(x3,x4),x5) -> plus(x3,plus(x4,x5)) plus(x3,x4) -> plus(x4,x3) TIMES(times(x3,x4),x5) -> TIMES(x3,times(x4,x5)) TIMES(x3,x4) -> TIMES(x4,x3) -> EAxioms: times(times(x3,x4),x5) = times(x3,times(x4,x5)) times(x3,x4) = times(x4,x3) plus(plus(x3,x4),x5) = plus(x3,plus(x4,x5)) plus(x3,x4) = plus(x4,x3) ->->-> Rules: times(plus(x,y),z) -> plus(times(x,z),times(y,z)) times(z,plus(x,f(y))) -> times(g(z,y),plus(x,a)) -> SRules: TIMES(times(x3,x4),x5) -> TIMES(x3,x4) TIMES(x3,times(x4,x5)) -> TIMES(x4,x5) Problem 1: Reduction Pairs Processor: -> FAxioms: TIMES(times(x3,x4),x5) = TIMES(x3,times(x4,x5)) TIMES(x3,x4) = TIMES(x4,x3) -> Pairs: TIMES(times(plus(x,y),z),x3) -> TIMES(plus(times(x,z),times(y,z)),x3) TIMES(times(z,plus(x,f(y))),x3) -> TIMES(times(g(z,y),plus(x,a)),x3) TIMES(times(z,plus(x,f(y))),x3) -> TIMES(g(z,y),plus(x,a)) TIMES(plus(x,y),z) -> TIMES(x,z) TIMES(plus(x,y),z) -> TIMES(y,z) TIMES(z,plus(x,f(y))) -> TIMES(g(z,y),plus(x,a)) -> EAxioms: times(times(x3,x4),x5) = times(x3,times(x4,x5)) times(x3,x4) = times(x4,x3) plus(plus(x3,x4),x5) = plus(x3,plus(x4,x5)) plus(x3,x4) = plus(x4,x3) -> Usable Equations: times(times(x3,x4),x5) = times(x3,times(x4,x5)) times(x3,x4) = times(x4,x3) plus(plus(x3,x4),x5) = plus(x3,plus(x4,x5)) plus(x3,x4) = plus(x4,x3) -> Rules: times(plus(x,y),z) -> plus(times(x,z),times(y,z)) times(z,plus(x,f(y))) -> times(g(z,y),plus(x,a)) -> Usable Rules: times(plus(x,y),z) -> plus(times(x,z),times(y,z)) times(z,plus(x,f(y))) -> times(g(z,y),plus(x,a)) -> SRules: TIMES(times(x3,x4),x5) -> TIMES(x3,x4) TIMES(x3,times(x4,x5)) -> TIMES(x4,x5) ->Interpretation type: Simple mixed ->Coefficients: Natural Numbers ->Dimension: 1 ->Bound: 1 ->Interpretation: [times](X1,X2) = X1.X2 + X1 + X2 [a] = 0 [f](X) = X + 1 [g](X1,X2) = X1 [plus](X1,X2) = X1 + X2 + 1 [TIMES](X1,X2) = X1.X2 + X1 + X2 [PLUS](X1,X2) = 0 Problem 1: SCC Processor: -> FAxioms: TIMES(times(x3,x4),x5) = TIMES(x3,times(x4,x5)) TIMES(x3,x4) = TIMES(x4,x3) -> Pairs: TIMES(times(plus(x,y),z),x3) -> TIMES(plus(times(x,z),times(y,z)),x3) TIMES(times(z,plus(x,f(y))),x3) -> TIMES(g(z,y),plus(x,a)) TIMES(plus(x,y),z) -> TIMES(x,z) TIMES(plus(x,y),z) -> TIMES(y,z) TIMES(z,plus(x,f(y))) -> TIMES(g(z,y),plus(x,a)) -> EAxioms: times(times(x3,x4),x5) = times(x3,times(x4,x5)) times(x3,x4) = times(x4,x3) plus(plus(x3,x4),x5) = plus(x3,plus(x4,x5)) plus(x3,x4) = plus(x4,x3) -> Rules: times(plus(x,y),z) -> plus(times(x,z),times(y,z)) times(z,plus(x,f(y))) -> times(g(z,y),plus(x,a)) -> SRules: TIMES(times(x3,x4),x5) -> TIMES(x3,x4) TIMES(x3,times(x4,x5)) -> TIMES(x4,x5) ->Strongly Connected Components: ->->Cycle: ->->-> Pairs: TIMES(times(plus(x,y),z),x3) -> TIMES(plus(times(x,z),times(y,z)),x3) TIMES(times(z,plus(x,f(y))),x3) -> TIMES(g(z,y),plus(x,a)) TIMES(plus(x,y),z) -> TIMES(x,z) TIMES(plus(x,y),z) -> TIMES(y,z) TIMES(z,plus(x,f(y))) -> TIMES(g(z,y),plus(x,a)) -> FAxioms: times(times(x3,x4),x5) -> times(x3,times(x4,x5)) times(x3,x4) -> times(x4,x3) plus(plus(x3,x4),x5) -> plus(x3,plus(x4,x5)) plus(x3,x4) -> plus(x4,x3) TIMES(times(x3,x4),x5) -> TIMES(x3,times(x4,x5)) TIMES(x3,x4) -> TIMES(x4,x3) -> EAxioms: times(times(x3,x4),x5) = times(x3,times(x4,x5)) times(x3,x4) = times(x4,x3) plus(plus(x3,x4),x5) = plus(x3,plus(x4,x5)) plus(x3,x4) = plus(x4,x3) ->->-> Rules: times(plus(x,y),z) -> plus(times(x,z),times(y,z)) times(z,plus(x,f(y))) -> times(g(z,y),plus(x,a)) -> SRules: TIMES(times(x3,x4),x5) -> TIMES(x3,x4) TIMES(x3,times(x4,x5)) -> TIMES(x4,x5) Problem 1: Reduction Pairs Processor: -> FAxioms: TIMES(times(x3,x4),x5) = TIMES(x3,times(x4,x5)) TIMES(x3,x4) = TIMES(x4,x3) -> Pairs: TIMES(times(plus(x,y),z),x3) -> TIMES(plus(times(x,z),times(y,z)),x3) TIMES(times(z,plus(x,f(y))),x3) -> TIMES(g(z,y),plus(x,a)) TIMES(plus(x,y),z) -> TIMES(x,z) TIMES(plus(x,y),z) -> TIMES(y,z) TIMES(z,plus(x,f(y))) -> TIMES(g(z,y),plus(x,a)) -> EAxioms: times(times(x3,x4),x5) = times(x3,times(x4,x5)) times(x3,x4) = times(x4,x3) plus(plus(x3,x4),x5) = plus(x3,plus(x4,x5)) plus(x3,x4) = plus(x4,x3) -> Usable Equations: times(times(x3,x4),x5) = times(x3,times(x4,x5)) times(x3,x4) = times(x4,x3) plus(plus(x3,x4),x5) = plus(x3,plus(x4,x5)) plus(x3,x4) = plus(x4,x3) -> Rules: times(plus(x,y),z) -> plus(times(x,z),times(y,z)) times(z,plus(x,f(y))) -> times(g(z,y),plus(x,a)) -> Usable Rules: times(plus(x,y),z) -> plus(times(x,z),times(y,z)) times(z,plus(x,f(y))) -> times(g(z,y),plus(x,a)) -> SRules: TIMES(times(x3,x4),x5) -> TIMES(x3,x4) TIMES(x3,times(x4,x5)) -> TIMES(x4,x5) ->Interpretation type: Simple mixed ->Coefficients: Natural Numbers ->Dimension: 1 ->Bound: 1 ->Interpretation: [times](X1,X2) = X1.X2 + X1 + X2 [a] = 0 [f](X) = X + 1 [g](X1,X2) = X1 [plus](X1,X2) = X1 + X2 + 1 [TIMES](X1,X2) = X1.X2 + X1 + X2 [PLUS](X1,X2) = 0 Problem 1: SCC Processor: -> FAxioms: TIMES(times(x3,x4),x5) = TIMES(x3,times(x4,x5)) TIMES(x3,x4) = TIMES(x4,x3) -> Pairs: TIMES(times(plus(x,y),z),x3) -> TIMES(plus(times(x,z),times(y,z)),x3) TIMES(plus(x,y),z) -> TIMES(x,z) TIMES(plus(x,y),z) -> TIMES(y,z) TIMES(z,plus(x,f(y))) -> TIMES(g(z,y),plus(x,a)) -> EAxioms: times(times(x3,x4),x5) = times(x3,times(x4,x5)) times(x3,x4) = times(x4,x3) plus(plus(x3,x4),x5) = plus(x3,plus(x4,x5)) plus(x3,x4) = plus(x4,x3) -> Rules: times(plus(x,y),z) -> plus(times(x,z),times(y,z)) times(z,plus(x,f(y))) -> times(g(z,y),plus(x,a)) -> SRules: TIMES(times(x3,x4),x5) -> TIMES(x3,x4) TIMES(x3,times(x4,x5)) -> TIMES(x4,x5) ->Strongly Connected Components: ->->Cycle: ->->-> Pairs: TIMES(times(plus(x,y),z),x3) -> TIMES(plus(times(x,z),times(y,z)),x3) TIMES(plus(x,y),z) -> TIMES(x,z) TIMES(plus(x,y),z) -> TIMES(y,z) TIMES(z,plus(x,f(y))) -> TIMES(g(z,y),plus(x,a)) -> FAxioms: times(times(x3,x4),x5) -> times(x3,times(x4,x5)) times(x3,x4) -> times(x4,x3) plus(plus(x3,x4),x5) -> plus(x3,plus(x4,x5)) plus(x3,x4) -> plus(x4,x3) TIMES(times(x3,x4),x5) -> TIMES(x3,times(x4,x5)) TIMES(x3,x4) -> TIMES(x4,x3) -> EAxioms: times(times(x3,x4),x5) = times(x3,times(x4,x5)) times(x3,x4) = times(x4,x3) plus(plus(x3,x4),x5) = plus(x3,plus(x4,x5)) plus(x3,x4) = plus(x4,x3) ->->-> Rules: times(plus(x,y),z) -> plus(times(x,z),times(y,z)) times(z,plus(x,f(y))) -> times(g(z,y),plus(x,a)) -> SRules: TIMES(times(x3,x4),x5) -> TIMES(x3,x4) TIMES(x3,times(x4,x5)) -> TIMES(x4,x5) Problem 1: Reduction Pairs Processor: -> FAxioms: TIMES(times(x3,x4),x5) = TIMES(x3,times(x4,x5)) TIMES(x3,x4) = TIMES(x4,x3) -> Pairs: TIMES(times(plus(x,y),z),x3) -> TIMES(plus(times(x,z),times(y,z)),x3) TIMES(plus(x,y),z) -> TIMES(x,z) TIMES(plus(x,y),z) -> TIMES(y,z) TIMES(z,plus(x,f(y))) -> TIMES(g(z,y),plus(x,a)) -> EAxioms: times(times(x3,x4),x5) = times(x3,times(x4,x5)) times(x3,x4) = times(x4,x3) plus(plus(x3,x4),x5) = plus(x3,plus(x4,x5)) plus(x3,x4) = plus(x4,x3) -> Usable Equations: times(times(x3,x4),x5) = times(x3,times(x4,x5)) times(x3,x4) = times(x4,x3) plus(plus(x3,x4),x5) = plus(x3,plus(x4,x5)) plus(x3,x4) = plus(x4,x3) -> Rules: times(plus(x,y),z) -> plus(times(x,z),times(y,z)) times(z,plus(x,f(y))) -> times(g(z,y),plus(x,a)) -> Usable Rules: times(plus(x,y),z) -> plus(times(x,z),times(y,z)) times(z,plus(x,f(y))) -> times(g(z,y),plus(x,a)) -> SRules: TIMES(times(x3,x4),x5) -> TIMES(x3,x4) TIMES(x3,times(x4,x5)) -> TIMES(x4,x5) ->Interpretation type: Simple mixed ->Coefficients: Natural Numbers ->Dimension: 1 ->Bound: 1 ->Interpretation: [times](X1,X2) = X1.X2 + X1 + X2 [a] = 1 [f](X) = X + 1 [g](X1,X2) = X1 [plus](X1,X2) = X1 + X2 + 1 [TIMES](X1,X2) = X1.X2 + X1 + X2 [PLUS](X1,X2) = 0 Problem 1: SCC Processor: -> FAxioms: TIMES(times(x3,x4),x5) = TIMES(x3,times(x4,x5)) TIMES(x3,x4) = TIMES(x4,x3) -> Pairs: TIMES(times(plus(x,y),z),x3) -> TIMES(plus(times(x,z),times(y,z)),x3) TIMES(plus(x,y),z) -> TIMES(y,z) TIMES(z,plus(x,f(y))) -> TIMES(g(z,y),plus(x,a)) -> EAxioms: times(times(x3,x4),x5) = times(x3,times(x4,x5)) times(x3,x4) = times(x4,x3) plus(plus(x3,x4),x5) = plus(x3,plus(x4,x5)) plus(x3,x4) = plus(x4,x3) -> Rules: times(plus(x,y),z) -> plus(times(x,z),times(y,z)) times(z,plus(x,f(y))) -> times(g(z,y),plus(x,a)) -> SRules: TIMES(times(x3,x4),x5) -> TIMES(x3,x4) TIMES(x3,times(x4,x5)) -> TIMES(x4,x5) ->Strongly Connected Components: ->->Cycle: ->->-> Pairs: TIMES(times(plus(x,y),z),x3) -> TIMES(plus(times(x,z),times(y,z)),x3) TIMES(plus(x,y),z) -> TIMES(y,z) TIMES(z,plus(x,f(y))) -> TIMES(g(z,y),plus(x,a)) -> FAxioms: times(times(x3,x4),x5) -> times(x3,times(x4,x5)) times(x3,x4) -> times(x4,x3) plus(plus(x3,x4),x5) -> plus(x3,plus(x4,x5)) plus(x3,x4) -> plus(x4,x3) TIMES(times(x3,x4),x5) -> TIMES(x3,times(x4,x5)) TIMES(x3,x4) -> TIMES(x4,x3) -> EAxioms: times(times(x3,x4),x5) = times(x3,times(x4,x5)) times(x3,x4) = times(x4,x3) plus(plus(x3,x4),x5) = plus(x3,plus(x4,x5)) plus(x3,x4) = plus(x4,x3) ->->-> Rules: times(plus(x,y),z) -> plus(times(x,z),times(y,z)) times(z,plus(x,f(y))) -> times(g(z,y),plus(x,a)) -> SRules: TIMES(times(x3,x4),x5) -> TIMES(x3,x4) TIMES(x3,times(x4,x5)) -> TIMES(x4,x5) Problem 1: Reduction Pairs Processor: -> FAxioms: TIMES(times(x3,x4),x5) = TIMES(x3,times(x4,x5)) TIMES(x3,x4) = TIMES(x4,x3) -> Pairs: TIMES(times(plus(x,y),z),x3) -> TIMES(plus(times(x,z),times(y,z)),x3) TIMES(plus(x,y),z) -> TIMES(y,z) TIMES(z,plus(x,f(y))) -> TIMES(g(z,y),plus(x,a)) -> EAxioms: times(times(x3,x4),x5) = times(x3,times(x4,x5)) times(x3,x4) = times(x4,x3) plus(plus(x3,x4),x5) = plus(x3,plus(x4,x5)) plus(x3,x4) = plus(x4,x3) -> Usable Equations: times(times(x3,x4),x5) = times(x3,times(x4,x5)) times(x3,x4) = times(x4,x3) plus(plus(x3,x4),x5) = plus(x3,plus(x4,x5)) plus(x3,x4) = plus(x4,x3) -> Rules: times(plus(x,y),z) -> plus(times(x,z),times(y,z)) times(z,plus(x,f(y))) -> times(g(z,y),plus(x,a)) -> Usable Rules: times(plus(x,y),z) -> plus(times(x,z),times(y,z)) times(z,plus(x,f(y))) -> times(g(z,y),plus(x,a)) -> SRules: TIMES(times(x3,x4),x5) -> TIMES(x3,x4) TIMES(x3,times(x4,x5)) -> TIMES(x4,x5) ->Interpretation type: Simple mixed ->Coefficients: Natural Numbers ->Dimension: 1 ->Bound: 1 ->Interpretation: [times](X1,X2) = X1.X2 + X1 + X2 [a] = 1 [f](X) = X + 1 [g](X1,X2) = X1 [plus](X1,X2) = X1 + X2 + 1 [TIMES](X1,X2) = X1.X2 + X1 + X2 [PLUS](X1,X2) = 0 Problem 1: SCC Processor: -> FAxioms: TIMES(times(x3,x4),x5) = TIMES(x3,times(x4,x5)) TIMES(x3,x4) = TIMES(x4,x3) -> Pairs: TIMES(times(plus(x,y),z),x3) -> TIMES(plus(times(x,z),times(y,z)),x3) TIMES(z,plus(x,f(y))) -> TIMES(g(z,y),plus(x,a)) -> EAxioms: times(times(x3,x4),x5) = times(x3,times(x4,x5)) times(x3,x4) = times(x4,x3) plus(plus(x3,x4),x5) = plus(x3,plus(x4,x5)) plus(x3,x4) = plus(x4,x3) -> Rules: times(plus(x,y),z) -> plus(times(x,z),times(y,z)) times(z,plus(x,f(y))) -> times(g(z,y),plus(x,a)) -> SRules: TIMES(times(x3,x4),x5) -> TIMES(x3,x4) TIMES(x3,times(x4,x5)) -> TIMES(x4,x5) ->Strongly Connected Components: ->->Cycle: ->->-> Pairs: TIMES(times(plus(x,y),z),x3) -> TIMES(plus(times(x,z),times(y,z)),x3) TIMES(z,plus(x,f(y))) -> TIMES(g(z,y),plus(x,a)) -> FAxioms: times(times(x3,x4),x5) -> times(x3,times(x4,x5)) times(x3,x4) -> times(x4,x3) plus(plus(x3,x4),x5) -> plus(x3,plus(x4,x5)) plus(x3,x4) -> plus(x4,x3) TIMES(times(x3,x4),x5) -> TIMES(x3,times(x4,x5)) TIMES(x3,x4) -> TIMES(x4,x3) -> EAxioms: times(times(x3,x4),x5) = times(x3,times(x4,x5)) times(x3,x4) = times(x4,x3) plus(plus(x3,x4),x5) = plus(x3,plus(x4,x5)) plus(x3,x4) = plus(x4,x3) ->->-> Rules: times(plus(x,y),z) -> plus(times(x,z),times(y,z)) times(z,plus(x,f(y))) -> times(g(z,y),plus(x,a)) -> SRules: TIMES(times(x3,x4),x5) -> TIMES(x3,x4) TIMES(x3,times(x4,x5)) -> TIMES(x4,x5) Problem 1: Reduction Pairs Processor: -> FAxioms: TIMES(times(x3,x4),x5) = TIMES(x3,times(x4,x5)) TIMES(x3,x4) = TIMES(x4,x3) -> Pairs: TIMES(times(plus(x,y),z),x3) -> TIMES(plus(times(x,z),times(y,z)),x3) TIMES(z,plus(x,f(y))) -> TIMES(g(z,y),plus(x,a)) -> EAxioms: times(times(x3,x4),x5) = times(x3,times(x4,x5)) times(x3,x4) = times(x4,x3) plus(plus(x3,x4),x5) = plus(x3,plus(x4,x5)) plus(x3,x4) = plus(x4,x3) -> Usable Equations: times(times(x3,x4),x5) = times(x3,times(x4,x5)) times(x3,x4) = times(x4,x3) plus(plus(x3,x4),x5) = plus(x3,plus(x4,x5)) plus(x3,x4) = plus(x4,x3) -> Rules: times(plus(x,y),z) -> plus(times(x,z),times(y,z)) times(z,plus(x,f(y))) -> times(g(z,y),plus(x,a)) -> Usable Rules: times(plus(x,y),z) -> plus(times(x,z),times(y,z)) times(z,plus(x,f(y))) -> times(g(z,y),plus(x,a)) -> SRules: TIMES(times(x3,x4),x5) -> TIMES(x3,x4) TIMES(x3,times(x4,x5)) -> TIMES(x4,x5) ->Interpretation type: Linear ->Coefficients: Natural Numbers ->Dimension: 1 ->Bound: 2 ->Interpretation: [times](X1,X2) = X1 + X2 + 2 [a] = 1 [f](X) = 2.X + 2 [g](X1,X2) = 0 [plus](X1,X2) = 2 [TIMES](X1,X2) = 2.X1 + 2.X2 [PLUS](X1,X2) = 0 Problem 1: SCC Processor: -> FAxioms: TIMES(times(x3,x4),x5) = TIMES(x3,times(x4,x5)) TIMES(x3,x4) = TIMES(x4,x3) -> Pairs: TIMES(z,plus(x,f(y))) -> TIMES(g(z,y),plus(x,a)) -> EAxioms: times(times(x3,x4),x5) = times(x3,times(x4,x5)) times(x3,x4) = times(x4,x3) plus(plus(x3,x4),x5) = plus(x3,plus(x4,x5)) plus(x3,x4) = plus(x4,x3) -> Rules: times(plus(x,y),z) -> plus(times(x,z),times(y,z)) times(z,plus(x,f(y))) -> times(g(z,y),plus(x,a)) -> SRules: TIMES(times(x3,x4),x5) -> TIMES(x3,x4) TIMES(x3,times(x4,x5)) -> TIMES(x4,x5) ->Strongly Connected Components: ->->Cycle: ->->-> Pairs: TIMES(z,plus(x,f(y))) -> TIMES(g(z,y),plus(x,a)) -> FAxioms: times(times(x3,x4),x5) -> times(x3,times(x4,x5)) times(x3,x4) -> times(x4,x3) plus(plus(x3,x4),x5) -> plus(x3,plus(x4,x5)) plus(x3,x4) -> plus(x4,x3) TIMES(times(x3,x4),x5) -> TIMES(x3,times(x4,x5)) TIMES(x3,x4) -> TIMES(x4,x3) -> EAxioms: times(times(x3,x4),x5) = times(x3,times(x4,x5)) times(x3,x4) = times(x4,x3) plus(plus(x3,x4),x5) = plus(x3,plus(x4,x5)) plus(x3,x4) = plus(x4,x3) ->->-> Rules: times(plus(x,y),z) -> plus(times(x,z),times(y,z)) times(z,plus(x,f(y))) -> times(g(z,y),plus(x,a)) -> SRules: TIMES(times(x3,x4),x5) -> TIMES(x3,x4) TIMES(x3,times(x4,x5)) -> TIMES(x4,x5) Problem 1: Reduction Pairs Processor: -> FAxioms: TIMES(times(x3,x4),x5) = TIMES(x3,times(x4,x5)) TIMES(x3,x4) = TIMES(x4,x3) -> Pairs: TIMES(z,plus(x,f(y))) -> TIMES(g(z,y),plus(x,a)) -> EAxioms: times(times(x3,x4),x5) = times(x3,times(x4,x5)) times(x3,x4) = times(x4,x3) plus(plus(x3,x4),x5) = plus(x3,plus(x4,x5)) plus(x3,x4) = plus(x4,x3) -> Usable Equations: times(times(x3,x4),x5) = times(x3,times(x4,x5)) times(x3,x4) = times(x4,x3) plus(plus(x3,x4),x5) = plus(x3,plus(x4,x5)) plus(x3,x4) = plus(x4,x3) -> Rules: times(plus(x,y),z) -> plus(times(x,z),times(y,z)) times(z,plus(x,f(y))) -> times(g(z,y),plus(x,a)) -> Usable Rules: times(plus(x,y),z) -> plus(times(x,z),times(y,z)) times(z,plus(x,f(y))) -> times(g(z,y),plus(x,a)) -> SRules: TIMES(times(x3,x4),x5) -> TIMES(x3,x4) TIMES(x3,times(x4,x5)) -> TIMES(x4,x5) ->Interpretation type: Linear ->Coefficients: Natural Numbers ->Dimension: 1 ->Bound: 2 ->Interpretation: [times](X1,X2) = X1 + X2 + 2 [a] = 2 [f](X) = 2.X + 2 [g](X1,X2) = 0 [plus](X1,X2) = 0 [TIMES](X1,X2) = X1 + X2 [PLUS](X1,X2) = 0 Problem 1: SCC Processor: -> FAxioms: TIMES(times(x3,x4),x5) = TIMES(x3,times(x4,x5)) TIMES(x3,x4) = TIMES(x4,x3) -> Pairs: TIMES(z,plus(x,f(y))) -> TIMES(g(z,y),plus(x,a)) -> EAxioms: times(times(x3,x4),x5) = times(x3,times(x4,x5)) times(x3,x4) = times(x4,x3) plus(plus(x3,x4),x5) = plus(x3,plus(x4,x5)) plus(x3,x4) = plus(x4,x3) -> Rules: times(plus(x,y),z) -> plus(times(x,z),times(y,z)) times(z,plus(x,f(y))) -> times(g(z,y),plus(x,a)) -> SRules: TIMES(x3,times(x4,x5)) -> TIMES(x4,x5) ->Strongly Connected Components: ->->Cycle: ->->-> Pairs: TIMES(z,plus(x,f(y))) -> TIMES(g(z,y),plus(x,a)) -> FAxioms: times(times(x3,x4),x5) -> times(x3,times(x4,x5)) times(x3,x4) -> times(x4,x3) plus(plus(x3,x4),x5) -> plus(x3,plus(x4,x5)) plus(x3,x4) -> plus(x4,x3) TIMES(times(x3,x4),x5) -> TIMES(x3,times(x4,x5)) TIMES(x3,x4) -> TIMES(x4,x3) -> EAxioms: times(times(x3,x4),x5) = times(x3,times(x4,x5)) times(x3,x4) = times(x4,x3) plus(plus(x3,x4),x5) = plus(x3,plus(x4,x5)) plus(x3,x4) = plus(x4,x3) ->->-> Rules: times(plus(x,y),z) -> plus(times(x,z),times(y,z)) times(z,plus(x,f(y))) -> times(g(z,y),plus(x,a)) -> SRules: TIMES(x3,times(x4,x5)) -> TIMES(x4,x5) Problem 1: Reduction Pairs Processor: -> FAxioms: TIMES(times(x3,x4),x5) = TIMES(x3,times(x4,x5)) TIMES(x3,x4) = TIMES(x4,x3) -> Pairs: TIMES(z,plus(x,f(y))) -> TIMES(g(z,y),plus(x,a)) -> EAxioms: times(times(x3,x4),x5) = times(x3,times(x4,x5)) times(x3,x4) = times(x4,x3) plus(plus(x3,x4),x5) = plus(x3,plus(x4,x5)) plus(x3,x4) = plus(x4,x3) -> Usable Equations: times(times(x3,x4),x5) = times(x3,times(x4,x5)) times(x3,x4) = times(x4,x3) plus(plus(x3,x4),x5) = plus(x3,plus(x4,x5)) plus(x3,x4) = plus(x4,x3) -> Rules: times(plus(x,y),z) -> plus(times(x,z),times(y,z)) times(z,plus(x,f(y))) -> times(g(z,y),plus(x,a)) -> Usable Rules: times(plus(x,y),z) -> plus(times(x,z),times(y,z)) times(z,plus(x,f(y))) -> times(g(z,y),plus(x,a)) -> SRules: TIMES(x3,times(x4,x5)) -> TIMES(x4,x5) ->Interpretation type: Linear ->Coefficients: Natural Numbers ->Dimension: 1 ->Bound: 2 ->Interpretation: [times](X1,X2) = X1 + X2 + 1 [a] = 2 [f](X) = 2.X + 1 [g](X1,X2) = 0 [plus](X1,X2) = 0 [TIMES](X1,X2) = 2.X1 + 2.X2 [PLUS](X1,X2) = 0 Problem 1: SCC Processor: -> FAxioms: TIMES(times(x3,x4),x5) = TIMES(x3,times(x4,x5)) TIMES(x3,x4) = TIMES(x4,x3) -> Pairs: TIMES(z,plus(x,f(y))) -> TIMES(g(z,y),plus(x,a)) -> EAxioms: times(times(x3,x4),x5) = times(x3,times(x4,x5)) times(x3,x4) = times(x4,x3) plus(plus(x3,x4),x5) = plus(x3,plus(x4,x5)) plus(x3,x4) = plus(x4,x3) -> Rules: times(plus(x,y),z) -> plus(times(x,z),times(y,z)) times(z,plus(x,f(y))) -> times(g(z,y),plus(x,a)) -> SRules: Empty ->Strongly Connected Components: ->->Cycle: ->->-> Pairs: TIMES(z,plus(x,f(y))) -> TIMES(g(z,y),plus(x,a)) -> FAxioms: times(times(x3,x4),x5) -> times(x3,times(x4,x5)) times(x3,x4) -> times(x4,x3) plus(plus(x3,x4),x5) -> plus(x3,plus(x4,x5)) plus(x3,x4) -> plus(x4,x3) TIMES(times(x3,x4),x5) -> TIMES(x3,times(x4,x5)) TIMES(x3,x4) -> TIMES(x4,x3) -> EAxioms: times(times(x3,x4),x5) = times(x3,times(x4,x5)) times(x3,x4) = times(x4,x3) plus(plus(x3,x4),x5) = plus(x3,plus(x4,x5)) plus(x3,x4) = plus(x4,x3) ->->-> Rules: times(plus(x,y),z) -> plus(times(x,z),times(y,z)) times(z,plus(x,f(y))) -> times(g(z,y),plus(x,a)) -> SRules: Empty Problem 1: Reduction Pairs Processor: -> FAxioms: TIMES(times(x3,x4),x5) = TIMES(x3,times(x4,x5)) TIMES(x3,x4) = TIMES(x4,x3) -> Pairs: TIMES(z,plus(x,f(y))) -> TIMES(g(z,y),plus(x,a)) -> EAxioms: times(times(x3,x4),x5) = times(x3,times(x4,x5)) times(x3,x4) = times(x4,x3) plus(plus(x3,x4),x5) = plus(x3,plus(x4,x5)) plus(x3,x4) = plus(x4,x3) -> Usable Equations: times(times(x3,x4),x5) = times(x3,times(x4,x5)) times(x3,x4) = times(x4,x3) plus(plus(x3,x4),x5) = plus(x3,plus(x4,x5)) plus(x3,x4) = plus(x4,x3) -> Rules: times(plus(x,y),z) -> plus(times(x,z),times(y,z)) times(z,plus(x,f(y))) -> times(g(z,y),plus(x,a)) -> Usable Rules: times(plus(x,y),z) -> plus(times(x,z),times(y,z)) times(z,plus(x,f(y))) -> times(g(z,y),plus(x,a)) -> SRules: Empty ->Interpretation type: Simple mixed ->Coefficients: Natural Numbers ->Dimension: 1 ->Bound: 1 ->Interpretation: [times](X1,X2) = X1.X2 + X1 + X2 [a] = 0 [f](X) = X + 1 [g](X1,X2) = X1 [plus](X1,X2) = X1 + X2 + 1 [TIMES](X1,X2) = X1.X2 + X1 + X2 [PLUS](X1,X2) = 0 Problem 1: SCC Processor: -> FAxioms: TIMES(times(x3,x4),x5) = TIMES(x3,times(x4,x5)) TIMES(x3,x4) = TIMES(x4,x3) -> Pairs: Empty -> EAxioms: times(times(x3,x4),x5) = times(x3,times(x4,x5)) times(x3,x4) = times(x4,x3) plus(plus(x3,x4),x5) = plus(x3,plus(x4,x5)) plus(x3,x4) = plus(x4,x3) -> Rules: times(plus(x,y),z) -> plus(times(x,z),times(y,z)) times(z,plus(x,f(y))) -> times(g(z,y),plus(x,a)) -> SRules: Empty ->Strongly Connected Components: There is no strongly connected component The problem is finite.