/export/starexec/sandbox/solver/bin/starexec_run_default /export/starexec/sandbox/benchmark/theBenchmark.xml /export/starexec/sandbox/output/output_files -------------------------------------------------------------------------------- YES Problem 1: (VAR M N V1 V2 X) (STRATEGY CONTEXTSENSITIVE (U11 1) (U21 1) (U31 1) (U41 1) (and 1) (isNat) (plus 1 2) (x 1 2) (0) (s 1) (tt) ) (RULES U11(tt,N) -> N U21(tt,M,N) -> s(plus(N,M)) U31(tt) -> 0 U41(tt,M,N) -> plus(x(N,M),N) and(tt,X) -> X isNat(plus(V1,V2)) -> and(isNat(V1),isNat(V2)) isNat(x(V1,V2)) -> and(isNat(V1),isNat(V2)) isNat(0) -> tt isNat(s(V1)) -> isNat(V1) plus(N,0) -> U11(isNat(N),N) plus(N,s(M)) -> U21(and(isNat(M),isNat(N)),M,N) x(N,0) -> U31(isNat(N)) x(N,s(M)) -> U41(and(isNat(M),isNat(N)),M,N) ) Problem 1: Dependency Pairs Processor: -> Pairs: U11#(tt,N) -> N U21#(tt,M,N) -> PLUS(N,M) U21#(tt,M,N) -> M U21#(tt,M,N) -> N U41#(tt,M,N) -> PLUS(x(N,M),N) U41#(tt,M,N) -> X(N,M) U41#(tt,M,N) -> M U41#(tt,M,N) -> N AND(tt,X) -> X ISNAT(plus(V1,V2)) -> AND(isNat(V1),isNat(V2)) ISNAT(plus(V1,V2)) -> ISNAT(V1) ISNAT(x(V1,V2)) -> AND(isNat(V1),isNat(V2)) ISNAT(x(V1,V2)) -> ISNAT(V1) ISNAT(s(V1)) -> ISNAT(V1) PLUS(N,0) -> U11#(isNat(N),N) PLUS(N,0) -> ISNAT(N) PLUS(N,s(M)) -> U21#(and(isNat(M),isNat(N)),M,N) PLUS(N,s(M)) -> AND(isNat(M),isNat(N)) PLUS(N,s(M)) -> ISNAT(M) X(N,0) -> U31#(isNat(N)) X(N,0) -> ISNAT(N) X(N,s(M)) -> U41#(and(isNat(M),isNat(N)),M,N) X(N,s(M)) -> AND(isNat(M),isNat(N)) X(N,s(M)) -> ISNAT(M) -> Rules: U11(tt,N) -> N U21(tt,M,N) -> s(plus(N,M)) U31(tt) -> 0 U41(tt,M,N) -> plus(x(N,M),N) and(tt,X) -> X isNat(plus(V1,V2)) -> and(isNat(V1),isNat(V2)) isNat(x(V1,V2)) -> and(isNat(V1),isNat(V2)) isNat(0) -> tt isNat(s(V1)) -> isNat(V1) plus(N,0) -> U11(isNat(N),N) plus(N,s(M)) -> U21(and(isNat(M),isNat(N)),M,N) x(N,0) -> U31(isNat(N)) x(N,s(M)) -> U41(and(isNat(M),isNat(N)),M,N) -> Unhiding Rules: isNat(N) -> ISNAT(N) isNat(V2) -> ISNAT(V2) Problem 1: SCC Processor: -> Pairs: U11#(tt,N) -> N U21#(tt,M,N) -> PLUS(N,M) U21#(tt,M,N) -> M U21#(tt,M,N) -> N U41#(tt,M,N) -> PLUS(x(N,M),N) U41#(tt,M,N) -> X(N,M) U41#(tt,M,N) -> M U41#(tt,M,N) -> N AND(tt,X) -> X ISNAT(plus(V1,V2)) -> AND(isNat(V1),isNat(V2)) ISNAT(plus(V1,V2)) -> ISNAT(V1) ISNAT(x(V1,V2)) -> AND(isNat(V1),isNat(V2)) ISNAT(x(V1,V2)) -> ISNAT(V1) ISNAT(s(V1)) -> ISNAT(V1) PLUS(N,0) -> U11#(isNat(N),N) PLUS(N,0) -> ISNAT(N) PLUS(N,s(M)) -> U21#(and(isNat(M),isNat(N)),M,N) PLUS(N,s(M)) -> AND(isNat(M),isNat(N)) PLUS(N,s(M)) -> ISNAT(M) X(N,0) -> U31#(isNat(N)) X(N,0) -> ISNAT(N) X(N,s(M)) -> U41#(and(isNat(M),isNat(N)),M,N) X(N,s(M)) -> AND(isNat(M),isNat(N)) X(N,s(M)) -> ISNAT(M) -> Rules: U11(tt,N) -> N U21(tt,M,N) -> s(plus(N,M)) U31(tt) -> 0 U41(tt,M,N) -> plus(x(N,M),N) and(tt,X) -> X isNat(plus(V1,V2)) -> and(isNat(V1),isNat(V2)) isNat(x(V1,V2)) -> and(isNat(V1),isNat(V2)) isNat(0) -> tt isNat(s(V1)) -> isNat(V1) plus(N,0) -> U11(isNat(N),N) plus(N,s(M)) -> U21(and(isNat(M),isNat(N)),M,N) x(N,0) -> U31(isNat(N)) x(N,s(M)) -> U41(and(isNat(M),isNat(N)),M,N) -> Unhiding rules: isNat(N) -> ISNAT(N) isNat(V2) -> ISNAT(V2) ->Strongly Connected Components: ->->Cycle: ->->-> Pairs: AND(tt,X) -> X ISNAT(plus(V1,V2)) -> AND(isNat(V1),isNat(V2)) ISNAT(plus(V1,V2)) -> ISNAT(V1) ISNAT(x(V1,V2)) -> AND(isNat(V1),isNat(V2)) ISNAT(x(V1,V2)) -> ISNAT(V1) ISNAT(s(V1)) -> ISNAT(V1) ->->-> Rules: U11(tt,N) -> N U21(tt,M,N) -> s(plus(N,M)) U31(tt) -> 0 U41(tt,M,N) -> plus(x(N,M),N) and(tt,X) -> X isNat(plus(V1,V2)) -> and(isNat(V1),isNat(V2)) isNat(x(V1,V2)) -> and(isNat(V1),isNat(V2)) isNat(0) -> tt isNat(s(V1)) -> isNat(V1) plus(N,0) -> U11(isNat(N),N) plus(N,s(M)) -> U21(and(isNat(M),isNat(N)),M,N) x(N,0) -> U31(isNat(N)) x(N,s(M)) -> U41(and(isNat(M),isNat(N)),M,N) ->->-> Unhiding rules: isNat(N) -> ISNAT(N) isNat(V2) -> ISNAT(V2) ->->Cycle: ->->-> Pairs: U21#(tt,M,N) -> PLUS(N,M) PLUS(N,s(M)) -> U21#(and(isNat(M),isNat(N)),M,N) ->->-> Rules: U11(tt,N) -> N U21(tt,M,N) -> s(plus(N,M)) U31(tt) -> 0 U41(tt,M,N) -> plus(x(N,M),N) and(tt,X) -> X isNat(plus(V1,V2)) -> and(isNat(V1),isNat(V2)) isNat(x(V1,V2)) -> and(isNat(V1),isNat(V2)) isNat(0) -> tt isNat(s(V1)) -> isNat(V1) plus(N,0) -> U11(isNat(N),N) plus(N,s(M)) -> U21(and(isNat(M),isNat(N)),M,N) x(N,0) -> U31(isNat(N)) x(N,s(M)) -> U41(and(isNat(M),isNat(N)),M,N) ->->-> Unhiding rules: Empty ->->Cycle: ->->-> Pairs: U41#(tt,M,N) -> X(N,M) X(N,s(M)) -> U41#(and(isNat(M),isNat(N)),M,N) ->->-> Rules: U11(tt,N) -> N U21(tt,M,N) -> s(plus(N,M)) U31(tt) -> 0 U41(tt,M,N) -> plus(x(N,M),N) and(tt,X) -> X isNat(plus(V1,V2)) -> and(isNat(V1),isNat(V2)) isNat(x(V1,V2)) -> and(isNat(V1),isNat(V2)) isNat(0) -> tt isNat(s(V1)) -> isNat(V1) plus(N,0) -> U11(isNat(N),N) plus(N,s(M)) -> U21(and(isNat(M),isNat(N)),M,N) x(N,0) -> U31(isNat(N)) x(N,s(M)) -> U41(and(isNat(M),isNat(N)),M,N) ->->-> Unhiding rules: Empty The problem is decomposed in 3 subproblems. Problem 1.1: Reduction Pairs Processor: -> Pairs: AND(tt,X) -> X ISNAT(plus(V1,V2)) -> AND(isNat(V1),isNat(V2)) ISNAT(plus(V1,V2)) -> ISNAT(V1) ISNAT(x(V1,V2)) -> AND(isNat(V1),isNat(V2)) ISNAT(x(V1,V2)) -> ISNAT(V1) ISNAT(s(V1)) -> ISNAT(V1) -> Rules: U11(tt,N) -> N U21(tt,M,N) -> s(plus(N,M)) U31(tt) -> 0 U41(tt,M,N) -> plus(x(N,M),N) and(tt,X) -> X isNat(plus(V1,V2)) -> and(isNat(V1),isNat(V2)) isNat(x(V1,V2)) -> and(isNat(V1),isNat(V2)) isNat(0) -> tt isNat(s(V1)) -> isNat(V1) plus(N,0) -> U11(isNat(N),N) plus(N,s(M)) -> U21(and(isNat(M),isNat(N)),M,N) x(N,0) -> U31(isNat(N)) x(N,s(M)) -> U41(and(isNat(M),isNat(N)),M,N) -> Unhiding rules: isNat(N) -> ISNAT(N) isNat(V2) -> ISNAT(V2) -> Usable rules: U11(tt,N) -> N U21(tt,M,N) -> s(plus(N,M)) U31(tt) -> 0 U41(tt,M,N) -> plus(x(N,M),N) and(tt,X) -> X isNat(plus(V1,V2)) -> and(isNat(V1),isNat(V2)) isNat(x(V1,V2)) -> and(isNat(V1),isNat(V2)) isNat(0) -> tt isNat(s(V1)) -> isNat(V1) plus(N,0) -> U11(isNat(N),N) plus(N,s(M)) -> U21(and(isNat(M),isNat(N)),M,N) x(N,0) -> U31(isNat(N)) x(N,s(M)) -> U41(and(isNat(M),isNat(N)),M,N) ->Interpretation type: Simple mixed ->Coefficients: Natural Numbers ->Dimension: 1 ->Bound: 2 ->Interpretation: [U11](X1,X2) = X2 + 2 [U21](X1,X2,X3) = X2 + X3 + 2 [U31](X) = X + 2 [U41](X1,X2,X3) = 2.X2.X3 + X1 + 2.X2 + 2.X3 + 2 [and](X1,X2) = X2 [isNat](X) = X + 2 [plus](X1,X2) = X1 + X2 + 1 [x](X1,X2) = 2.X1.X2 + X1 + 2.X2 + 2 [0] = 2 [s](X) = X + 1 [tt] = 2 [AND](X1,X2) = X2 + 1 [ISNAT](X) = X + 2 Problem 1.1: SCC Processor: -> Pairs: ISNAT(plus(V1,V2)) -> AND(isNat(V1),isNat(V2)) ISNAT(plus(V1,V2)) -> ISNAT(V1) ISNAT(x(V1,V2)) -> AND(isNat(V1),isNat(V2)) ISNAT(x(V1,V2)) -> ISNAT(V1) ISNAT(s(V1)) -> ISNAT(V1) -> Rules: U11(tt,N) -> N U21(tt,M,N) -> s(plus(N,M)) U31(tt) -> 0 U41(tt,M,N) -> plus(x(N,M),N) and(tt,X) -> X isNat(plus(V1,V2)) -> and(isNat(V1),isNat(V2)) isNat(x(V1,V2)) -> and(isNat(V1),isNat(V2)) isNat(0) -> tt isNat(s(V1)) -> isNat(V1) plus(N,0) -> U11(isNat(N),N) plus(N,s(M)) -> U21(and(isNat(M),isNat(N)),M,N) x(N,0) -> U31(isNat(N)) x(N,s(M)) -> U41(and(isNat(M),isNat(N)),M,N) -> Unhiding rules: isNat(N) -> ISNAT(N) isNat(V2) -> ISNAT(V2) ->Strongly Connected Components: ->->Cycle: ->->-> Pairs: ISNAT(plus(V1,V2)) -> ISNAT(V1) ISNAT(x(V1,V2)) -> ISNAT(V1) ISNAT(s(V1)) -> ISNAT(V1) ->->-> Rules: U11(tt,N) -> N U21(tt,M,N) -> s(plus(N,M)) U31(tt) -> 0 U41(tt,M,N) -> plus(x(N,M),N) and(tt,X) -> X isNat(plus(V1,V2)) -> and(isNat(V1),isNat(V2)) isNat(x(V1,V2)) -> and(isNat(V1),isNat(V2)) isNat(0) -> tt isNat(s(V1)) -> isNat(V1) plus(N,0) -> U11(isNat(N),N) plus(N,s(M)) -> U21(and(isNat(M),isNat(N)),M,N) x(N,0) -> U31(isNat(N)) x(N,s(M)) -> U41(and(isNat(M),isNat(N)),M,N) ->->-> Unhiding rules: Empty Problem 1.1: SubNColl Processor: -> Pairs: ISNAT(plus(V1,V2)) -> ISNAT(V1) ISNAT(x(V1,V2)) -> ISNAT(V1) ISNAT(s(V1)) -> ISNAT(V1) -> Rules: U11(tt,N) -> N U21(tt,M,N) -> s(plus(N,M)) U31(tt) -> 0 U41(tt,M,N) -> plus(x(N,M),N) and(tt,X) -> X isNat(plus(V1,V2)) -> and(isNat(V1),isNat(V2)) isNat(x(V1,V2)) -> and(isNat(V1),isNat(V2)) isNat(0) -> tt isNat(s(V1)) -> isNat(V1) plus(N,0) -> U11(isNat(N),N) plus(N,s(M)) -> U21(and(isNat(M),isNat(N)),M,N) x(N,0) -> U31(isNat(N)) x(N,s(M)) -> U41(and(isNat(M),isNat(N)),M,N) -> Unhiding rules: Empty ->Projection: pi(ISNAT) = 1 Problem 1.1: Basic Processor: -> Pairs: Empty -> Rules: U11(tt,N) -> N U21(tt,M,N) -> s(plus(N,M)) U31(tt) -> 0 U41(tt,M,N) -> plus(x(N,M),N) and(tt,X) -> X isNat(plus(V1,V2)) -> and(isNat(V1),isNat(V2)) isNat(x(V1,V2)) -> and(isNat(V1),isNat(V2)) isNat(0) -> tt isNat(s(V1)) -> isNat(V1) plus(N,0) -> U11(isNat(N),N) plus(N,s(M)) -> U21(and(isNat(M),isNat(N)),M,N) x(N,0) -> U31(isNat(N)) x(N,s(M)) -> U41(and(isNat(M),isNat(N)),M,N) -> Unhiding rules: Empty -> Result: Set P is empty The problem is finite. Problem 1.2: SubNColl Processor: -> Pairs: U21#(tt,M,N) -> PLUS(N,M) PLUS(N,s(M)) -> U21#(and(isNat(M),isNat(N)),M,N) -> Rules: U11(tt,N) -> N U21(tt,M,N) -> s(plus(N,M)) U31(tt) -> 0 U41(tt,M,N) -> plus(x(N,M),N) and(tt,X) -> X isNat(plus(V1,V2)) -> and(isNat(V1),isNat(V2)) isNat(x(V1,V2)) -> and(isNat(V1),isNat(V2)) isNat(0) -> tt isNat(s(V1)) -> isNat(V1) plus(N,0) -> U11(isNat(N),N) plus(N,s(M)) -> U21(and(isNat(M),isNat(N)),M,N) x(N,0) -> U31(isNat(N)) x(N,s(M)) -> U41(and(isNat(M),isNat(N)),M,N) -> Unhiding rules: Empty ->Projection: pi(U21#) = 2 pi(PLUS) = 2 Problem 1.2: SCC Processor: -> Pairs: U21#(tt,M,N) -> PLUS(N,M) -> Rules: U11(tt,N) -> N U21(tt,M,N) -> s(plus(N,M)) U31(tt) -> 0 U41(tt,M,N) -> plus(x(N,M),N) and(tt,X) -> X isNat(plus(V1,V2)) -> and(isNat(V1),isNat(V2)) isNat(x(V1,V2)) -> and(isNat(V1),isNat(V2)) isNat(0) -> tt isNat(s(V1)) -> isNat(V1) plus(N,0) -> U11(isNat(N),N) plus(N,s(M)) -> U21(and(isNat(M),isNat(N)),M,N) x(N,0) -> U31(isNat(N)) x(N,s(M)) -> U41(and(isNat(M),isNat(N)),M,N) -> Unhiding rules: Empty ->Strongly Connected Components: There is no strongly connected component The problem is finite. Problem 1.3: SubNColl Processor: -> Pairs: U41#(tt,M,N) -> X(N,M) X(N,s(M)) -> U41#(and(isNat(M),isNat(N)),M,N) -> Rules: U11(tt,N) -> N U21(tt,M,N) -> s(plus(N,M)) U31(tt) -> 0 U41(tt,M,N) -> plus(x(N,M),N) and(tt,X) -> X isNat(plus(V1,V2)) -> and(isNat(V1),isNat(V2)) isNat(x(V1,V2)) -> and(isNat(V1),isNat(V2)) isNat(0) -> tt isNat(s(V1)) -> isNat(V1) plus(N,0) -> U11(isNat(N),N) plus(N,s(M)) -> U21(and(isNat(M),isNat(N)),M,N) x(N,0) -> U31(isNat(N)) x(N,s(M)) -> U41(and(isNat(M),isNat(N)),M,N) -> Unhiding rules: Empty ->Projection: pi(U41#) = 2 pi(X) = 2 Problem 1.3: SCC Processor: -> Pairs: U41#(tt,M,N) -> X(N,M) -> Rules: U11(tt,N) -> N U21(tt,M,N) -> s(plus(N,M)) U31(tt) -> 0 U41(tt,M,N) -> plus(x(N,M),N) and(tt,X) -> X isNat(plus(V1,V2)) -> and(isNat(V1),isNat(V2)) isNat(x(V1,V2)) -> and(isNat(V1),isNat(V2)) isNat(0) -> tt isNat(s(V1)) -> isNat(V1) plus(N,0) -> U11(isNat(N),N) plus(N,s(M)) -> U21(and(isNat(M),isNat(N)),M,N) x(N,0) -> U31(isNat(N)) x(N,s(M)) -> U41(and(isNat(M),isNat(N)),M,N) -> Unhiding rules: Empty ->Strongly Connected Components: There is no strongly connected component The problem is finite.