1.34/1.55 YES 1.34/1.55 1.34/1.55 Problem 1: 1.34/1.55 1.34/1.55 (VAR v_NonEmpty:S M:S N:S V1:S V2:S X:S X1:S X2:S X3:S) 1.34/1.55 (RULES 1.34/1.55 a__U11(tt,N:S) -> mark(N:S) 1.34/1.55 a__U11(X1:S,X2:S) -> U11(X1:S,X2:S) 1.34/1.55 a__U21(tt,M:S,N:S) -> s(a__plus(mark(N:S),mark(M:S))) 1.34/1.55 a__U21(X1:S,X2:S,X3:S) -> U21(X1:S,X2:S,X3:S) 1.34/1.55 a__and(tt,X:S) -> mark(X:S) 1.34/1.55 a__and(X1:S,X2:S) -> and(X1:S,X2:S) 1.34/1.55 a__isNat(0) -> tt 1.34/1.55 a__isNat(plus(V1:S,V2:S)) -> a__and(a__isNat(V1:S),isNat(V2:S)) 1.34/1.55 a__isNat(s(V1:S)) -> a__isNat(V1:S) 1.34/1.55 a__isNat(X:S) -> isNat(X:S) 1.34/1.55 a__plus(N:S,0) -> a__U11(a__isNat(N:S),N:S) 1.34/1.55 a__plus(N:S,s(M:S)) -> a__U21(a__and(a__isNat(M:S),isNat(N:S)),M:S,N:S) 1.34/1.55 a__plus(X1:S,X2:S) -> plus(X1:S,X2:S) 1.34/1.55 mark(0) -> 0 1.34/1.55 mark(U11(X1:S,X2:S)) -> a__U11(mark(X1:S),X2:S) 1.34/1.55 mark(U21(X1:S,X2:S,X3:S)) -> a__U21(mark(X1:S),X2:S,X3:S) 1.34/1.55 mark(and(X1:S,X2:S)) -> a__and(mark(X1:S),X2:S) 1.34/1.55 mark(isNat(X:S)) -> a__isNat(X:S) 1.34/1.55 mark(plus(X1:S,X2:S)) -> a__plus(mark(X1:S),mark(X2:S)) 1.34/1.55 mark(s(X:S)) -> s(mark(X:S)) 1.34/1.55 mark(tt) -> tt 1.34/1.55 ) 1.34/1.55 (STRATEGY INNERMOST) 1.34/1.55 1.34/1.55 Problem 1: 1.34/1.55 1.34/1.55 Dependency Pairs Processor: 1.34/1.55 -> Pairs: 1.34/1.55 A__U11(tt,N:S) -> MARK(N:S) 1.34/1.55 A__U21(tt,M:S,N:S) -> A__PLUS(mark(N:S),mark(M:S)) 1.34/1.55 A__U21(tt,M:S,N:S) -> MARK(M:S) 1.34/1.55 A__U21(tt,M:S,N:S) -> MARK(N:S) 1.34/1.55 A__AND(tt,X:S) -> MARK(X:S) 1.34/1.55 A__ISNAT(plus(V1:S,V2:S)) -> A__AND(a__isNat(V1:S),isNat(V2:S)) 1.34/1.55 A__ISNAT(plus(V1:S,V2:S)) -> A__ISNAT(V1:S) 1.34/1.55 A__ISNAT(s(V1:S)) -> A__ISNAT(V1:S) 1.34/1.55 A__PLUS(N:S,0) -> A__U11(a__isNat(N:S),N:S) 1.34/1.55 A__PLUS(N:S,0) -> A__ISNAT(N:S) 1.34/1.55 A__PLUS(N:S,s(M:S)) -> A__U21(a__and(a__isNat(M:S),isNat(N:S)),M:S,N:S) 1.34/1.55 A__PLUS(N:S,s(M:S)) -> A__AND(a__isNat(M:S),isNat(N:S)) 1.34/1.55 A__PLUS(N:S,s(M:S)) -> A__ISNAT(M:S) 1.34/1.55 MARK(U11(X1:S,X2:S)) -> A__U11(mark(X1:S),X2:S) 1.34/1.55 MARK(U11(X1:S,X2:S)) -> MARK(X1:S) 1.34/1.55 MARK(U21(X1:S,X2:S,X3:S)) -> A__U21(mark(X1:S),X2:S,X3:S) 1.34/1.55 MARK(U21(X1:S,X2:S,X3:S)) -> MARK(X1:S) 1.34/1.55 MARK(and(X1:S,X2:S)) -> A__AND(mark(X1:S),X2:S) 1.34/1.55 MARK(and(X1:S,X2:S)) -> MARK(X1:S) 1.34/1.55 MARK(isNat(X:S)) -> A__ISNAT(X:S) 1.34/1.55 MARK(plus(X1:S,X2:S)) -> A__PLUS(mark(X1:S),mark(X2:S)) 1.34/1.55 MARK(plus(X1:S,X2:S)) -> MARK(X1:S) 1.34/1.55 MARK(plus(X1:S,X2:S)) -> MARK(X2:S) 1.34/1.55 MARK(s(X:S)) -> MARK(X:S) 1.34/1.55 -> Rules: 1.34/1.55 a__U11(tt,N:S) -> mark(N:S) 1.34/1.55 a__U11(X1:S,X2:S) -> U11(X1:S,X2:S) 1.34/1.55 a__U21(tt,M:S,N:S) -> s(a__plus(mark(N:S),mark(M:S))) 1.34/1.55 a__U21(X1:S,X2:S,X3:S) -> U21(X1:S,X2:S,X3:S) 1.34/1.55 a__and(tt,X:S) -> mark(X:S) 1.34/1.55 a__and(X1:S,X2:S) -> and(X1:S,X2:S) 1.34/1.55 a__isNat(0) -> tt 1.34/1.55 a__isNat(plus(V1:S,V2:S)) -> a__and(a__isNat(V1:S),isNat(V2:S)) 1.34/1.55 a__isNat(s(V1:S)) -> a__isNat(V1:S) 1.34/1.55 a__isNat(X:S) -> isNat(X:S) 1.34/1.55 a__plus(N:S,0) -> a__U11(a__isNat(N:S),N:S) 1.34/1.55 a__plus(N:S,s(M:S)) -> a__U21(a__and(a__isNat(M:S),isNat(N:S)),M:S,N:S) 1.34/1.55 a__plus(X1:S,X2:S) -> plus(X1:S,X2:S) 1.34/1.55 mark(0) -> 0 1.34/1.55 mark(U11(X1:S,X2:S)) -> a__U11(mark(X1:S),X2:S) 1.34/1.55 mark(U21(X1:S,X2:S,X3:S)) -> a__U21(mark(X1:S),X2:S,X3:S) 1.34/1.55 mark(and(X1:S,X2:S)) -> a__and(mark(X1:S),X2:S) 1.34/1.55 mark(isNat(X:S)) -> a__isNat(X:S) 1.34/1.55 mark(plus(X1:S,X2:S)) -> a__plus(mark(X1:S),mark(X2:S)) 1.34/1.55 mark(s(X:S)) -> s(mark(X:S)) 1.34/1.55 mark(tt) -> tt 1.34/1.55 1.34/1.55 Problem 1: 1.34/1.55 1.34/1.55 SCC Processor: 1.34/1.55 -> Pairs: 1.34/1.55 A__U11(tt,N:S) -> MARK(N:S) 1.34/1.55 A__U21(tt,M:S,N:S) -> A__PLUS(mark(N:S),mark(M:S)) 1.34/1.55 A__U21(tt,M:S,N:S) -> MARK(M:S) 1.34/1.55 A__U21(tt,M:S,N:S) -> MARK(N:S) 1.34/1.55 A__AND(tt,X:S) -> MARK(X:S) 1.34/1.55 A__ISNAT(plus(V1:S,V2:S)) -> A__AND(a__isNat(V1:S),isNat(V2:S)) 1.34/1.55 A__ISNAT(plus(V1:S,V2:S)) -> A__ISNAT(V1:S) 1.34/1.55 A__ISNAT(s(V1:S)) -> A__ISNAT(V1:S) 1.34/1.55 A__PLUS(N:S,0) -> A__U11(a__isNat(N:S),N:S) 1.34/1.55 A__PLUS(N:S,0) -> A__ISNAT(N:S) 1.34/1.55 A__PLUS(N:S,s(M:S)) -> A__U21(a__and(a__isNat(M:S),isNat(N:S)),M:S,N:S) 1.34/1.55 A__PLUS(N:S,s(M:S)) -> A__AND(a__isNat(M:S),isNat(N:S)) 1.34/1.55 A__PLUS(N:S,s(M:S)) -> A__ISNAT(M:S) 1.34/1.55 MARK(U11(X1:S,X2:S)) -> A__U11(mark(X1:S),X2:S) 1.34/1.55 MARK(U11(X1:S,X2:S)) -> MARK(X1:S) 1.34/1.55 MARK(U21(X1:S,X2:S,X3:S)) -> A__U21(mark(X1:S),X2:S,X3:S) 1.34/1.55 MARK(U21(X1:S,X2:S,X3:S)) -> MARK(X1:S) 1.34/1.55 MARK(and(X1:S,X2:S)) -> A__AND(mark(X1:S),X2:S) 1.34/1.55 MARK(and(X1:S,X2:S)) -> MARK(X1:S) 1.34/1.55 MARK(isNat(X:S)) -> A__ISNAT(X:S) 1.34/1.55 MARK(plus(X1:S,X2:S)) -> A__PLUS(mark(X1:S),mark(X2:S)) 1.34/1.55 MARK(plus(X1:S,X2:S)) -> MARK(X1:S) 1.34/1.55 MARK(plus(X1:S,X2:S)) -> MARK(X2:S) 1.34/1.55 MARK(s(X:S)) -> MARK(X:S) 1.34/1.55 -> Rules: 1.34/1.55 a__U11(tt,N:S) -> mark(N:S) 1.34/1.55 a__U11(X1:S,X2:S) -> U11(X1:S,X2:S) 1.34/1.55 a__U21(tt,M:S,N:S) -> s(a__plus(mark(N:S),mark(M:S))) 1.34/1.55 a__U21(X1:S,X2:S,X3:S) -> U21(X1:S,X2:S,X3:S) 1.34/1.55 a__and(tt,X:S) -> mark(X:S) 1.34/1.55 a__and(X1:S,X2:S) -> and(X1:S,X2:S) 1.34/1.55 a__isNat(0) -> tt 1.34/1.55 a__isNat(plus(V1:S,V2:S)) -> a__and(a__isNat(V1:S),isNat(V2:S)) 1.34/1.55 a__isNat(s(V1:S)) -> a__isNat(V1:S) 1.34/1.55 a__isNat(X:S) -> isNat(X:S) 1.34/1.55 a__plus(N:S,0) -> a__U11(a__isNat(N:S),N:S) 1.34/1.55 a__plus(N:S,s(M:S)) -> a__U21(a__and(a__isNat(M:S),isNat(N:S)),M:S,N:S) 1.34/1.55 a__plus(X1:S,X2:S) -> plus(X1:S,X2:S) 1.34/1.55 mark(0) -> 0 1.34/1.55 mark(U11(X1:S,X2:S)) -> a__U11(mark(X1:S),X2:S) 1.34/1.55 mark(U21(X1:S,X2:S,X3:S)) -> a__U21(mark(X1:S),X2:S,X3:S) 1.34/1.55 mark(and(X1:S,X2:S)) -> a__and(mark(X1:S),X2:S) 1.34/1.55 mark(isNat(X:S)) -> a__isNat(X:S) 1.34/1.55 mark(plus(X1:S,X2:S)) -> a__plus(mark(X1:S),mark(X2:S)) 1.34/1.55 mark(s(X:S)) -> s(mark(X:S)) 1.34/1.55 mark(tt) -> tt 1.34/1.55 ->Strongly Connected Components: 1.34/1.55 ->->Cycle: 1.34/1.55 ->->-> Pairs: 1.34/1.55 A__U11(tt,N:S) -> MARK(N:S) 1.34/1.55 A__U21(tt,M:S,N:S) -> A__PLUS(mark(N:S),mark(M:S)) 1.34/1.55 A__U21(tt,M:S,N:S) -> MARK(M:S) 1.34/1.55 A__U21(tt,M:S,N:S) -> MARK(N:S) 1.34/1.55 A__AND(tt,X:S) -> MARK(X:S) 1.34/1.55 A__ISNAT(plus(V1:S,V2:S)) -> A__AND(a__isNat(V1:S),isNat(V2:S)) 1.34/1.55 A__ISNAT(plus(V1:S,V2:S)) -> A__ISNAT(V1:S) 1.34/1.55 A__ISNAT(s(V1:S)) -> A__ISNAT(V1:S) 1.34/1.55 A__PLUS(N:S,0) -> A__U11(a__isNat(N:S),N:S) 1.34/1.55 A__PLUS(N:S,0) -> A__ISNAT(N:S) 1.34/1.55 A__PLUS(N:S,s(M:S)) -> A__U21(a__and(a__isNat(M:S),isNat(N:S)),M:S,N:S) 1.34/1.55 A__PLUS(N:S,s(M:S)) -> A__AND(a__isNat(M:S),isNat(N:S)) 1.34/1.55 A__PLUS(N:S,s(M:S)) -> A__ISNAT(M:S) 1.34/1.55 MARK(U11(X1:S,X2:S)) -> A__U11(mark(X1:S),X2:S) 1.34/1.55 MARK(U11(X1:S,X2:S)) -> MARK(X1:S) 1.34/1.55 MARK(U21(X1:S,X2:S,X3:S)) -> A__U21(mark(X1:S),X2:S,X3:S) 1.34/1.55 MARK(U21(X1:S,X2:S,X3:S)) -> MARK(X1:S) 1.34/1.55 MARK(and(X1:S,X2:S)) -> A__AND(mark(X1:S),X2:S) 1.34/1.55 MARK(and(X1:S,X2:S)) -> MARK(X1:S) 1.34/1.55 MARK(isNat(X:S)) -> A__ISNAT(X:S) 1.34/1.55 MARK(plus(X1:S,X2:S)) -> A__PLUS(mark(X1:S),mark(X2:S)) 1.34/1.55 MARK(plus(X1:S,X2:S)) -> MARK(X1:S) 1.34/1.55 MARK(plus(X1:S,X2:S)) -> MARK(X2:S) 1.34/1.55 MARK(s(X:S)) -> MARK(X:S) 1.34/1.55 ->->-> Rules: 1.34/1.55 a__U11(tt,N:S) -> mark(N:S) 1.34/1.55 a__U11(X1:S,X2:S) -> U11(X1:S,X2:S) 1.34/1.55 a__U21(tt,M:S,N:S) -> s(a__plus(mark(N:S),mark(M:S))) 1.34/1.55 a__U21(X1:S,X2:S,X3:S) -> U21(X1:S,X2:S,X3:S) 1.34/1.55 a__and(tt,X:S) -> mark(X:S) 1.34/1.55 a__and(X1:S,X2:S) -> and(X1:S,X2:S) 1.34/1.55 a__isNat(0) -> tt 1.34/1.55 a__isNat(plus(V1:S,V2:S)) -> a__and(a__isNat(V1:S),isNat(V2:S)) 1.34/1.55 a__isNat(s(V1:S)) -> a__isNat(V1:S) 1.34/1.55 a__isNat(X:S) -> isNat(X:S) 1.34/1.55 a__plus(N:S,0) -> a__U11(a__isNat(N:S),N:S) 1.34/1.55 a__plus(N:S,s(M:S)) -> a__U21(a__and(a__isNat(M:S),isNat(N:S)),M:S,N:S) 1.34/1.55 a__plus(X1:S,X2:S) -> plus(X1:S,X2:S) 1.34/1.55 mark(0) -> 0 1.34/1.55 mark(U11(X1:S,X2:S)) -> a__U11(mark(X1:S),X2:S) 1.34/1.55 mark(U21(X1:S,X2:S,X3:S)) -> a__U21(mark(X1:S),X2:S,X3:S) 1.34/1.55 mark(and(X1:S,X2:S)) -> a__and(mark(X1:S),X2:S) 1.34/1.55 mark(isNat(X:S)) -> a__isNat(X:S) 1.34/1.55 mark(plus(X1:S,X2:S)) -> a__plus(mark(X1:S),mark(X2:S)) 1.34/1.55 mark(s(X:S)) -> s(mark(X:S)) 1.34/1.55 mark(tt) -> tt 1.34/1.55 1.34/1.55 Problem 1: 1.34/1.55 1.34/1.55 Reduction Pairs Processor: 1.34/1.55 -> Pairs: 1.34/1.55 A__U11(tt,N:S) -> MARK(N:S) 1.34/1.55 A__U21(tt,M:S,N:S) -> A__PLUS(mark(N:S),mark(M:S)) 1.34/1.55 A__U21(tt,M:S,N:S) -> MARK(M:S) 1.34/1.55 A__U21(tt,M:S,N:S) -> MARK(N:S) 1.34/1.55 A__AND(tt,X:S) -> MARK(X:S) 1.34/1.55 A__ISNAT(plus(V1:S,V2:S)) -> A__AND(a__isNat(V1:S),isNat(V2:S)) 1.34/1.55 A__ISNAT(plus(V1:S,V2:S)) -> A__ISNAT(V1:S) 1.34/1.55 A__ISNAT(s(V1:S)) -> A__ISNAT(V1:S) 1.34/1.55 A__PLUS(N:S,0) -> A__U11(a__isNat(N:S),N:S) 1.34/1.55 A__PLUS(N:S,0) -> A__ISNAT(N:S) 1.34/1.55 A__PLUS(N:S,s(M:S)) -> A__U21(a__and(a__isNat(M:S),isNat(N:S)),M:S,N:S) 1.34/1.55 A__PLUS(N:S,s(M:S)) -> A__AND(a__isNat(M:S),isNat(N:S)) 1.34/1.55 A__PLUS(N:S,s(M:S)) -> A__ISNAT(M:S) 1.34/1.55 MARK(U11(X1:S,X2:S)) -> A__U11(mark(X1:S),X2:S) 1.34/1.55 MARK(U11(X1:S,X2:S)) -> MARK(X1:S) 1.34/1.55 MARK(U21(X1:S,X2:S,X3:S)) -> A__U21(mark(X1:S),X2:S,X3:S) 1.34/1.55 MARK(U21(X1:S,X2:S,X3:S)) -> MARK(X1:S) 1.34/1.55 MARK(and(X1:S,X2:S)) -> A__AND(mark(X1:S),X2:S) 1.34/1.55 MARK(and(X1:S,X2:S)) -> MARK(X1:S) 1.34/1.55 MARK(isNat(X:S)) -> A__ISNAT(X:S) 1.34/1.55 MARK(plus(X1:S,X2:S)) -> A__PLUS(mark(X1:S),mark(X2:S)) 1.34/1.55 MARK(plus(X1:S,X2:S)) -> MARK(X1:S) 1.34/1.55 MARK(plus(X1:S,X2:S)) -> MARK(X2:S) 1.34/1.55 MARK(s(X:S)) -> MARK(X:S) 1.34/1.55 -> Rules: 1.34/1.55 a__U11(tt,N:S) -> mark(N:S) 1.34/1.55 a__U11(X1:S,X2:S) -> U11(X1:S,X2:S) 1.34/1.55 a__U21(tt,M:S,N:S) -> s(a__plus(mark(N:S),mark(M:S))) 1.34/1.55 a__U21(X1:S,X2:S,X3:S) -> U21(X1:S,X2:S,X3:S) 1.34/1.55 a__and(tt,X:S) -> mark(X:S) 1.34/1.55 a__and(X1:S,X2:S) -> and(X1:S,X2:S) 1.34/1.55 a__isNat(0) -> tt 1.34/1.55 a__isNat(plus(V1:S,V2:S)) -> a__and(a__isNat(V1:S),isNat(V2:S)) 1.34/1.55 a__isNat(s(V1:S)) -> a__isNat(V1:S) 1.34/1.55 a__isNat(X:S) -> isNat(X:S) 1.34/1.55 a__plus(N:S,0) -> a__U11(a__isNat(N:S),N:S) 1.34/1.55 a__plus(N:S,s(M:S)) -> a__U21(a__and(a__isNat(M:S),isNat(N:S)),M:S,N:S) 1.34/1.55 a__plus(X1:S,X2:S) -> plus(X1:S,X2:S) 1.34/1.55 mark(0) -> 0 1.34/1.55 mark(U11(X1:S,X2:S)) -> a__U11(mark(X1:S),X2:S) 1.34/1.55 mark(U21(X1:S,X2:S,X3:S)) -> a__U21(mark(X1:S),X2:S,X3:S) 1.34/1.55 mark(and(X1:S,X2:S)) -> a__and(mark(X1:S),X2:S) 1.34/1.55 mark(isNat(X:S)) -> a__isNat(X:S) 1.34/1.55 mark(plus(X1:S,X2:S)) -> a__plus(mark(X1:S),mark(X2:S)) 1.34/1.55 mark(s(X:S)) -> s(mark(X:S)) 1.34/1.55 mark(tt) -> tt 1.34/1.55 -> Usable rules: 1.34/1.55 a__U11(tt,N:S) -> mark(N:S) 1.34/1.55 a__U11(X1:S,X2:S) -> U11(X1:S,X2:S) 1.34/1.55 a__U21(tt,M:S,N:S) -> s(a__plus(mark(N:S),mark(M:S))) 1.34/1.55 a__U21(X1:S,X2:S,X3:S) -> U21(X1:S,X2:S,X3:S) 1.34/1.55 a__and(tt,X:S) -> mark(X:S) 1.34/1.55 a__and(X1:S,X2:S) -> and(X1:S,X2:S) 1.34/1.55 a__isNat(0) -> tt 1.34/1.55 a__isNat(plus(V1:S,V2:S)) -> a__and(a__isNat(V1:S),isNat(V2:S)) 1.34/1.55 a__isNat(s(V1:S)) -> a__isNat(V1:S) 1.34/1.55 a__isNat(X:S) -> isNat(X:S) 1.34/1.55 a__plus(N:S,0) -> a__U11(a__isNat(N:S),N:S) 1.34/1.55 a__plus(N:S,s(M:S)) -> a__U21(a__and(a__isNat(M:S),isNat(N:S)),M:S,N:S) 1.34/1.55 a__plus(X1:S,X2:S) -> plus(X1:S,X2:S) 1.34/1.55 mark(0) -> 0 1.34/1.55 mark(U11(X1:S,X2:S)) -> a__U11(mark(X1:S),X2:S) 1.34/1.55 mark(U21(X1:S,X2:S,X3:S)) -> a__U21(mark(X1:S),X2:S,X3:S) 1.34/1.55 mark(and(X1:S,X2:S)) -> a__and(mark(X1:S),X2:S) 1.34/1.55 mark(isNat(X:S)) -> a__isNat(X:S) 1.34/1.55 mark(plus(X1:S,X2:S)) -> a__plus(mark(X1:S),mark(X2:S)) 1.34/1.55 mark(s(X:S)) -> s(mark(X:S)) 1.34/1.55 mark(tt) -> tt 1.34/1.55 ->Interpretation type: 1.34/1.55 Linear 1.34/1.55 ->Coefficients: 1.34/1.55 Natural Numbers 1.34/1.55 ->Dimension: 1.34/1.55 1 1.34/1.55 ->Bound: 1.34/1.55 2 1.34/1.55 ->Interpretation: 1.34/1.55 1.34/1.55 [a__U11](X1,X2) = 2.X1 + 2.X2 + 2 1.34/1.55 [a__U21](X1,X2,X3) = 2.X1 + 2.X2 + 2.X3 + 2 1.34/1.55 [a__and](X1,X2) = 2.X1 + 2.X2 1.34/1.55 [a__isNat](X) = 0 1.34/1.55 [a__plus](X1,X2) = 2.X1 + 2.X2 + 2 1.34/1.55 [mark](X) = X 1.34/1.55 [0] = 0 1.34/1.55 [U11](X1,X2) = 2.X1 + 2.X2 + 2 1.34/1.55 [U21](X1,X2,X3) = 2.X1 + 2.X2 + 2.X3 + 2 1.34/1.55 [and](X1,X2) = 2.X1 + 2.X2 1.34/1.55 [fSNonEmpty] = 0 1.34/1.55 [isNat](X) = 0 1.34/1.55 [plus](X1,X2) = 2.X1 + 2.X2 + 2 1.34/1.55 [s](X) = X 1.34/1.55 [tt] = 0 1.34/1.55 [A__U11](X1,X2) = 2.X2 + 1 1.34/1.55 [A__U21](X1,X2,X3) = X1 + 2.X2 + 2.X3 + 2 1.34/1.55 [A__AND](X1,X2) = 2.X1 + 2.X2 1.34/1.55 [A__ISNAT](X) = 0 1.34/1.55 [A__PLUS](X1,X2) = 2.X1 + 2.X2 + 2 1.34/1.55 [MARK](X) = 2.X 1.34/1.55 1.34/1.55 Problem 1: 1.34/1.55 1.34/1.55 SCC Processor: 1.34/1.55 -> Pairs: 1.34/1.55 A__U21(tt,M:S,N:S) -> A__PLUS(mark(N:S),mark(M:S)) 1.34/1.55 A__U21(tt,M:S,N:S) -> MARK(M:S) 1.34/1.55 A__U21(tt,M:S,N:S) -> MARK(N:S) 1.34/1.55 A__AND(tt,X:S) -> MARK(X:S) 1.34/1.55 A__ISNAT(plus(V1:S,V2:S)) -> A__AND(a__isNat(V1:S),isNat(V2:S)) 1.34/1.55 A__ISNAT(plus(V1:S,V2:S)) -> A__ISNAT(V1:S) 1.34/1.55 A__ISNAT(s(V1:S)) -> A__ISNAT(V1:S) 1.34/1.55 A__PLUS(N:S,0) -> A__U11(a__isNat(N:S),N:S) 1.34/1.55 A__PLUS(N:S,0) -> A__ISNAT(N:S) 1.34/1.55 A__PLUS(N:S,s(M:S)) -> A__U21(a__and(a__isNat(M:S),isNat(N:S)),M:S,N:S) 1.34/1.55 A__PLUS(N:S,s(M:S)) -> A__AND(a__isNat(M:S),isNat(N:S)) 1.34/1.55 A__PLUS(N:S,s(M:S)) -> A__ISNAT(M:S) 1.34/1.55 MARK(U11(X1:S,X2:S)) -> A__U11(mark(X1:S),X2:S) 1.34/1.55 MARK(U11(X1:S,X2:S)) -> MARK(X1:S) 1.34/1.55 MARK(U21(X1:S,X2:S,X3:S)) -> A__U21(mark(X1:S),X2:S,X3:S) 1.34/1.55 MARK(U21(X1:S,X2:S,X3:S)) -> MARK(X1:S) 1.34/1.55 MARK(and(X1:S,X2:S)) -> A__AND(mark(X1:S),X2:S) 1.34/1.55 MARK(and(X1:S,X2:S)) -> MARK(X1:S) 1.34/1.55 MARK(isNat(X:S)) -> A__ISNAT(X:S) 1.34/1.55 MARK(plus(X1:S,X2:S)) -> A__PLUS(mark(X1:S),mark(X2:S)) 1.34/1.55 MARK(plus(X1:S,X2:S)) -> MARK(X1:S) 1.34/1.55 MARK(plus(X1:S,X2:S)) -> MARK(X2:S) 1.34/1.55 MARK(s(X:S)) -> MARK(X:S) 1.34/1.55 -> Rules: 1.34/1.55 a__U11(tt,N:S) -> mark(N:S) 1.34/1.55 a__U11(X1:S,X2:S) -> U11(X1:S,X2:S) 1.34/1.55 a__U21(tt,M:S,N:S) -> s(a__plus(mark(N:S),mark(M:S))) 1.34/1.55 a__U21(X1:S,X2:S,X3:S) -> U21(X1:S,X2:S,X3:S) 1.34/1.55 a__and(tt,X:S) -> mark(X:S) 1.34/1.55 a__and(X1:S,X2:S) -> and(X1:S,X2:S) 1.34/1.55 a__isNat(0) -> tt 1.34/1.55 a__isNat(plus(V1:S,V2:S)) -> a__and(a__isNat(V1:S),isNat(V2:S)) 1.34/1.55 a__isNat(s(V1:S)) -> a__isNat(V1:S) 1.34/1.55 a__isNat(X:S) -> isNat(X:S) 1.34/1.55 a__plus(N:S,0) -> a__U11(a__isNat(N:S),N:S) 1.34/1.55 a__plus(N:S,s(M:S)) -> a__U21(a__and(a__isNat(M:S),isNat(N:S)),M:S,N:S) 1.34/1.55 a__plus(X1:S,X2:S) -> plus(X1:S,X2:S) 1.34/1.55 mark(0) -> 0 1.34/1.55 mark(U11(X1:S,X2:S)) -> a__U11(mark(X1:S),X2:S) 1.34/1.55 mark(U21(X1:S,X2:S,X3:S)) -> a__U21(mark(X1:S),X2:S,X3:S) 1.34/1.55 mark(and(X1:S,X2:S)) -> a__and(mark(X1:S),X2:S) 1.34/1.55 mark(isNat(X:S)) -> a__isNat(X:S) 1.34/1.55 mark(plus(X1:S,X2:S)) -> a__plus(mark(X1:S),mark(X2:S)) 1.34/1.55 mark(s(X:S)) -> s(mark(X:S)) 1.34/1.55 mark(tt) -> tt 1.34/1.55 ->Strongly Connected Components: 1.34/1.55 ->->Cycle: 1.34/1.55 ->->-> Pairs: 1.34/1.55 A__U21(tt,M:S,N:S) -> A__PLUS(mark(N:S),mark(M:S)) 1.34/1.55 A__U21(tt,M:S,N:S) -> MARK(M:S) 1.34/1.55 A__U21(tt,M:S,N:S) -> MARK(N:S) 1.34/1.55 A__AND(tt,X:S) -> MARK(X:S) 1.34/1.55 A__ISNAT(plus(V1:S,V2:S)) -> A__AND(a__isNat(V1:S),isNat(V2:S)) 1.34/1.55 A__ISNAT(plus(V1:S,V2:S)) -> A__ISNAT(V1:S) 1.34/1.55 A__ISNAT(s(V1:S)) -> A__ISNAT(V1:S) 1.34/1.55 A__PLUS(N:S,0) -> A__ISNAT(N:S) 1.34/1.55 A__PLUS(N:S,s(M:S)) -> A__U21(a__and(a__isNat(M:S),isNat(N:S)),M:S,N:S) 1.34/1.55 A__PLUS(N:S,s(M:S)) -> A__AND(a__isNat(M:S),isNat(N:S)) 1.34/1.55 A__PLUS(N:S,s(M:S)) -> A__ISNAT(M:S) 1.34/1.55 MARK(U11(X1:S,X2:S)) -> MARK(X1:S) 1.34/1.55 MARK(U21(X1:S,X2:S,X3:S)) -> A__U21(mark(X1:S),X2:S,X3:S) 1.34/1.55 MARK(U21(X1:S,X2:S,X3:S)) -> MARK(X1:S) 1.34/1.55 MARK(and(X1:S,X2:S)) -> A__AND(mark(X1:S),X2:S) 1.34/1.55 MARK(and(X1:S,X2:S)) -> MARK(X1:S) 1.34/1.55 MARK(isNat(X:S)) -> A__ISNAT(X:S) 1.34/1.55 MARK(plus(X1:S,X2:S)) -> A__PLUS(mark(X1:S),mark(X2:S)) 1.34/1.55 MARK(plus(X1:S,X2:S)) -> MARK(X1:S) 1.34/1.55 MARK(plus(X1:S,X2:S)) -> MARK(X2:S) 1.34/1.55 MARK(s(X:S)) -> MARK(X:S) 1.34/1.55 ->->-> Rules: 1.34/1.55 a__U11(tt,N:S) -> mark(N:S) 1.34/1.55 a__U11(X1:S,X2:S) -> U11(X1:S,X2:S) 1.34/1.55 a__U21(tt,M:S,N:S) -> s(a__plus(mark(N:S),mark(M:S))) 1.34/1.55 a__U21(X1:S,X2:S,X3:S) -> U21(X1:S,X2:S,X3:S) 1.34/1.55 a__and(tt,X:S) -> mark(X:S) 1.34/1.55 a__and(X1:S,X2:S) -> and(X1:S,X2:S) 1.34/1.55 a__isNat(0) -> tt 1.34/1.55 a__isNat(plus(V1:S,V2:S)) -> a__and(a__isNat(V1:S),isNat(V2:S)) 1.34/1.55 a__isNat(s(V1:S)) -> a__isNat(V1:S) 1.34/1.55 a__isNat(X:S) -> isNat(X:S) 1.34/1.55 a__plus(N:S,0) -> a__U11(a__isNat(N:S),N:S) 1.34/1.55 a__plus(N:S,s(M:S)) -> a__U21(a__and(a__isNat(M:S),isNat(N:S)),M:S,N:S) 1.34/1.55 a__plus(X1:S,X2:S) -> plus(X1:S,X2:S) 1.34/1.55 mark(0) -> 0 1.34/1.55 mark(U11(X1:S,X2:S)) -> a__U11(mark(X1:S),X2:S) 1.34/1.55 mark(U21(X1:S,X2:S,X3:S)) -> a__U21(mark(X1:S),X2:S,X3:S) 1.34/1.55 mark(and(X1:S,X2:S)) -> a__and(mark(X1:S),X2:S) 1.34/1.55 mark(isNat(X:S)) -> a__isNat(X:S) 1.34/1.55 mark(plus(X1:S,X2:S)) -> a__plus(mark(X1:S),mark(X2:S)) 1.34/1.55 mark(s(X:S)) -> s(mark(X:S)) 1.34/1.55 mark(tt) -> tt 1.34/1.55 1.34/1.55 Problem 1: 1.34/1.55 1.34/1.55 Reduction Pairs Processor: 1.34/1.55 -> Pairs: 1.34/1.55 A__U21(tt,M:S,N:S) -> A__PLUS(mark(N:S),mark(M:S)) 1.34/1.55 A__U21(tt,M:S,N:S) -> MARK(M:S) 1.34/1.55 A__U21(tt,M:S,N:S) -> MARK(N:S) 1.34/1.55 A__AND(tt,X:S) -> MARK(X:S) 1.34/1.55 A__ISNAT(plus(V1:S,V2:S)) -> A__AND(a__isNat(V1:S),isNat(V2:S)) 1.34/1.55 A__ISNAT(plus(V1:S,V2:S)) -> A__ISNAT(V1:S) 1.34/1.55 A__ISNAT(s(V1:S)) -> A__ISNAT(V1:S) 1.34/1.55 A__PLUS(N:S,0) -> A__ISNAT(N:S) 1.34/1.55 A__PLUS(N:S,s(M:S)) -> A__U21(a__and(a__isNat(M:S),isNat(N:S)),M:S,N:S) 1.34/1.55 A__PLUS(N:S,s(M:S)) -> A__AND(a__isNat(M:S),isNat(N:S)) 1.34/1.55 A__PLUS(N:S,s(M:S)) -> A__ISNAT(M:S) 1.34/1.55 MARK(U11(X1:S,X2:S)) -> MARK(X1:S) 1.34/1.55 MARK(U21(X1:S,X2:S,X3:S)) -> A__U21(mark(X1:S),X2:S,X3:S) 1.34/1.55 MARK(U21(X1:S,X2:S,X3:S)) -> MARK(X1:S) 1.34/1.55 MARK(and(X1:S,X2:S)) -> A__AND(mark(X1:S),X2:S) 1.34/1.55 MARK(and(X1:S,X2:S)) -> MARK(X1:S) 1.34/1.55 MARK(isNat(X:S)) -> A__ISNAT(X:S) 1.34/1.55 MARK(plus(X1:S,X2:S)) -> A__PLUS(mark(X1:S),mark(X2:S)) 1.34/1.55 MARK(plus(X1:S,X2:S)) -> MARK(X1:S) 1.34/1.55 MARK(plus(X1:S,X2:S)) -> MARK(X2:S) 1.34/1.55 MARK(s(X:S)) -> MARK(X:S) 1.34/1.55 -> Rules: 1.34/1.55 a__U11(tt,N:S) -> mark(N:S) 1.34/1.55 a__U11(X1:S,X2:S) -> U11(X1:S,X2:S) 1.34/1.55 a__U21(tt,M:S,N:S) -> s(a__plus(mark(N:S),mark(M:S))) 1.34/1.55 a__U21(X1:S,X2:S,X3:S) -> U21(X1:S,X2:S,X3:S) 1.34/1.55 a__and(tt,X:S) -> mark(X:S) 1.34/1.55 a__and(X1:S,X2:S) -> and(X1:S,X2:S) 1.34/1.55 a__isNat(0) -> tt 1.34/1.55 a__isNat(plus(V1:S,V2:S)) -> a__and(a__isNat(V1:S),isNat(V2:S)) 1.34/1.55 a__isNat(s(V1:S)) -> a__isNat(V1:S) 1.34/1.55 a__isNat(X:S) -> isNat(X:S) 1.34/1.55 a__plus(N:S,0) -> a__U11(a__isNat(N:S),N:S) 1.34/1.55 a__plus(N:S,s(M:S)) -> a__U21(a__and(a__isNat(M:S),isNat(N:S)),M:S,N:S) 1.34/1.55 a__plus(X1:S,X2:S) -> plus(X1:S,X2:S) 1.34/1.55 mark(0) -> 0 1.34/1.55 mark(U11(X1:S,X2:S)) -> a__U11(mark(X1:S),X2:S) 1.34/1.55 mark(U21(X1:S,X2:S,X3:S)) -> a__U21(mark(X1:S),X2:S,X3:S) 1.34/1.55 mark(and(X1:S,X2:S)) -> a__and(mark(X1:S),X2:S) 1.34/1.55 mark(isNat(X:S)) -> a__isNat(X:S) 1.34/1.55 mark(plus(X1:S,X2:S)) -> a__plus(mark(X1:S),mark(X2:S)) 1.34/1.55 mark(s(X:S)) -> s(mark(X:S)) 1.34/1.55 mark(tt) -> tt 1.34/1.55 -> Usable rules: 1.34/1.55 a__U11(tt,N:S) -> mark(N:S) 1.34/1.55 a__U11(X1:S,X2:S) -> U11(X1:S,X2:S) 1.34/1.55 a__U21(tt,M:S,N:S) -> s(a__plus(mark(N:S),mark(M:S))) 1.34/1.55 a__U21(X1:S,X2:S,X3:S) -> U21(X1:S,X2:S,X3:S) 1.34/1.55 a__and(tt,X:S) -> mark(X:S) 1.34/1.55 a__and(X1:S,X2:S) -> and(X1:S,X2:S) 1.34/1.55 a__isNat(0) -> tt 1.34/1.55 a__isNat(plus(V1:S,V2:S)) -> a__and(a__isNat(V1:S),isNat(V2:S)) 1.34/1.55 a__isNat(s(V1:S)) -> a__isNat(V1:S) 1.34/1.55 a__isNat(X:S) -> isNat(X:S) 1.34/1.55 a__plus(N:S,0) -> a__U11(a__isNat(N:S),N:S) 1.34/1.55 a__plus(N:S,s(M:S)) -> a__U21(a__and(a__isNat(M:S),isNat(N:S)),M:S,N:S) 1.34/1.55 a__plus(X1:S,X2:S) -> plus(X1:S,X2:S) 1.34/1.55 mark(0) -> 0 1.34/1.55 mark(U11(X1:S,X2:S)) -> a__U11(mark(X1:S),X2:S) 1.34/1.55 mark(U21(X1:S,X2:S,X3:S)) -> a__U21(mark(X1:S),X2:S,X3:S) 1.34/1.55 mark(and(X1:S,X2:S)) -> a__and(mark(X1:S),X2:S) 1.34/1.55 mark(isNat(X:S)) -> a__isNat(X:S) 1.34/1.55 mark(plus(X1:S,X2:S)) -> a__plus(mark(X1:S),mark(X2:S)) 1.34/1.55 mark(s(X:S)) -> s(mark(X:S)) 1.34/1.55 mark(tt) -> tt 1.34/1.55 ->Interpretation type: 1.34/1.55 Linear 1.34/1.55 ->Coefficients: 1.34/1.55 Natural Numbers 1.34/1.55 ->Dimension: 1.34/1.55 1 1.34/1.55 ->Bound: 1.34/1.55 2 1.34/1.55 ->Interpretation: 1.34/1.55 1.34/1.55 [a__U11](X1,X2) = 2.X1 + 2.X2 + 2 1.34/1.55 [a__U21](X1,X2,X3) = 2.X1 + 2.X2 + 2.X3 + 2 1.34/1.55 [a__and](X1,X2) = 2.X1 + 2.X2 1.34/1.55 [a__isNat](X) = 0 1.34/1.55 [a__plus](X1,X2) = 2.X1 + 2.X2 + 1 1.34/1.55 [mark](X) = X 1.34/1.55 [0] = 1 1.34/1.55 [U11](X1,X2) = 2.X1 + 2.X2 + 2 1.34/1.55 [U21](X1,X2,X3) = 2.X1 + 2.X2 + 2.X3 + 2 1.34/1.55 [and](X1,X2) = 2.X1 + 2.X2 1.34/1.55 [fSNonEmpty] = 0 1.34/1.55 [isNat](X) = 0 1.34/1.55 [plus](X1,X2) = 2.X1 + 2.X2 + 1 1.34/1.55 [s](X) = X + 1 1.34/1.55 [tt] = 0 1.34/1.55 [A__U11](X1,X2) = 0 1.34/1.55 [A__U21](X1,X2,X3) = 2.X2 + 2.X3 + 2 1.34/1.55 [A__AND](X1,X2) = 2.X1 + 2.X2 + 2 1.34/1.55 [A__ISNAT](X) = 2 1.34/1.55 [A__PLUS](X1,X2) = 2.X1 + 2.X2 + 1 1.34/1.55 [MARK](X) = 2.X + 2 1.34/1.55 1.34/1.55 Problem 1: 1.34/1.55 1.34/1.55 SCC Processor: 1.34/1.55 -> Pairs: 1.34/1.55 A__U21(tt,M:S,N:S) -> MARK(M:S) 1.34/1.55 A__U21(tt,M:S,N:S) -> MARK(N:S) 1.34/1.55 A__AND(tt,X:S) -> MARK(X:S) 1.34/1.55 A__ISNAT(plus(V1:S,V2:S)) -> A__AND(a__isNat(V1:S),isNat(V2:S)) 1.34/1.55 A__ISNAT(plus(V1:S,V2:S)) -> A__ISNAT(V1:S) 1.34/1.55 A__ISNAT(s(V1:S)) -> A__ISNAT(V1:S) 1.34/1.55 A__PLUS(N:S,0) -> A__ISNAT(N:S) 1.34/1.55 A__PLUS(N:S,s(M:S)) -> A__U21(a__and(a__isNat(M:S),isNat(N:S)),M:S,N:S) 1.34/1.55 A__PLUS(N:S,s(M:S)) -> A__AND(a__isNat(M:S),isNat(N:S)) 1.34/1.55 A__PLUS(N:S,s(M:S)) -> A__ISNAT(M:S) 1.34/1.55 MARK(U11(X1:S,X2:S)) -> MARK(X1:S) 1.34/1.55 MARK(U21(X1:S,X2:S,X3:S)) -> A__U21(mark(X1:S),X2:S,X3:S) 1.34/1.55 MARK(U21(X1:S,X2:S,X3:S)) -> MARK(X1:S) 1.34/1.55 MARK(and(X1:S,X2:S)) -> A__AND(mark(X1:S),X2:S) 1.34/1.55 MARK(and(X1:S,X2:S)) -> MARK(X1:S) 1.34/1.55 MARK(isNat(X:S)) -> A__ISNAT(X:S) 1.34/1.55 MARK(plus(X1:S,X2:S)) -> A__PLUS(mark(X1:S),mark(X2:S)) 1.34/1.55 MARK(plus(X1:S,X2:S)) -> MARK(X1:S) 1.34/1.55 MARK(plus(X1:S,X2:S)) -> MARK(X2:S) 1.34/1.55 MARK(s(X:S)) -> MARK(X:S) 1.34/1.55 -> Rules: 1.34/1.55 a__U11(tt,N:S) -> mark(N:S) 1.34/1.55 a__U11(X1:S,X2:S) -> U11(X1:S,X2:S) 1.34/1.55 a__U21(tt,M:S,N:S) -> s(a__plus(mark(N:S),mark(M:S))) 1.34/1.55 a__U21(X1:S,X2:S,X3:S) -> U21(X1:S,X2:S,X3:S) 1.34/1.55 a__and(tt,X:S) -> mark(X:S) 1.34/1.55 a__and(X1:S,X2:S) -> and(X1:S,X2:S) 1.34/1.55 a__isNat(0) -> tt 1.34/1.55 a__isNat(plus(V1:S,V2:S)) -> a__and(a__isNat(V1:S),isNat(V2:S)) 1.34/1.55 a__isNat(s(V1:S)) -> a__isNat(V1:S) 1.34/1.55 a__isNat(X:S) -> isNat(X:S) 1.34/1.55 a__plus(N:S,0) -> a__U11(a__isNat(N:S),N:S) 1.34/1.55 a__plus(N:S,s(M:S)) -> a__U21(a__and(a__isNat(M:S),isNat(N:S)),M:S,N:S) 1.34/1.55 a__plus(X1:S,X2:S) -> plus(X1:S,X2:S) 1.34/1.55 mark(0) -> 0 1.34/1.55 mark(U11(X1:S,X2:S)) -> a__U11(mark(X1:S),X2:S) 1.34/1.55 mark(U21(X1:S,X2:S,X3:S)) -> a__U21(mark(X1:S),X2:S,X3:S) 1.34/1.55 mark(and(X1:S,X2:S)) -> a__and(mark(X1:S),X2:S) 1.34/1.55 mark(isNat(X:S)) -> a__isNat(X:S) 1.34/1.55 mark(plus(X1:S,X2:S)) -> a__plus(mark(X1:S),mark(X2:S)) 1.34/1.55 mark(s(X:S)) -> s(mark(X:S)) 1.34/1.55 mark(tt) -> tt 1.34/1.55 ->Strongly Connected Components: 1.34/1.55 ->->Cycle: 1.34/1.55 ->->-> Pairs: 1.34/1.55 A__U21(tt,M:S,N:S) -> MARK(M:S) 1.34/1.55 A__U21(tt,M:S,N:S) -> MARK(N:S) 1.34/1.55 A__AND(tt,X:S) -> MARK(X:S) 1.34/1.55 A__ISNAT(plus(V1:S,V2:S)) -> A__AND(a__isNat(V1:S),isNat(V2:S)) 1.34/1.55 A__ISNAT(plus(V1:S,V2:S)) -> A__ISNAT(V1:S) 1.34/1.55 A__ISNAT(s(V1:S)) -> A__ISNAT(V1:S) 1.34/1.55 A__PLUS(N:S,0) -> A__ISNAT(N:S) 1.34/1.55 A__PLUS(N:S,s(M:S)) -> A__U21(a__and(a__isNat(M:S),isNat(N:S)),M:S,N:S) 1.34/1.55 A__PLUS(N:S,s(M:S)) -> A__AND(a__isNat(M:S),isNat(N:S)) 1.34/1.55 A__PLUS(N:S,s(M:S)) -> A__ISNAT(M:S) 1.34/1.55 MARK(U11(X1:S,X2:S)) -> MARK(X1:S) 1.34/1.55 MARK(U21(X1:S,X2:S,X3:S)) -> A__U21(mark(X1:S),X2:S,X3:S) 1.34/1.55 MARK(U21(X1:S,X2:S,X3:S)) -> MARK(X1:S) 1.34/1.55 MARK(and(X1:S,X2:S)) -> A__AND(mark(X1:S),X2:S) 1.34/1.55 MARK(and(X1:S,X2:S)) -> MARK(X1:S) 1.34/1.55 MARK(isNat(X:S)) -> A__ISNAT(X:S) 1.34/1.55 MARK(plus(X1:S,X2:S)) -> A__PLUS(mark(X1:S),mark(X2:S)) 1.34/1.55 MARK(plus(X1:S,X2:S)) -> MARK(X1:S) 1.34/1.55 MARK(plus(X1:S,X2:S)) -> MARK(X2:S) 1.34/1.55 MARK(s(X:S)) -> MARK(X:S) 1.34/1.55 ->->-> Rules: 1.34/1.55 a__U11(tt,N:S) -> mark(N:S) 1.34/1.55 a__U11(X1:S,X2:S) -> U11(X1:S,X2:S) 1.34/1.55 a__U21(tt,M:S,N:S) -> s(a__plus(mark(N:S),mark(M:S))) 1.34/1.55 a__U21(X1:S,X2:S,X3:S) -> U21(X1:S,X2:S,X3:S) 1.34/1.55 a__and(tt,X:S) -> mark(X:S) 1.34/1.55 a__and(X1:S,X2:S) -> and(X1:S,X2:S) 1.34/1.55 a__isNat(0) -> tt 1.34/1.55 a__isNat(plus(V1:S,V2:S)) -> a__and(a__isNat(V1:S),isNat(V2:S)) 1.34/1.55 a__isNat(s(V1:S)) -> a__isNat(V1:S) 1.34/1.55 a__isNat(X:S) -> isNat(X:S) 1.34/1.55 a__plus(N:S,0) -> a__U11(a__isNat(N:S),N:S) 1.34/1.55 a__plus(N:S,s(M:S)) -> a__U21(a__and(a__isNat(M:S),isNat(N:S)),M:S,N:S) 1.34/1.55 a__plus(X1:S,X2:S) -> plus(X1:S,X2:S) 1.34/1.55 mark(0) -> 0 1.34/1.55 mark(U11(X1:S,X2:S)) -> a__U11(mark(X1:S),X2:S) 1.34/1.55 mark(U21(X1:S,X2:S,X3:S)) -> a__U21(mark(X1:S),X2:S,X3:S) 1.34/1.55 mark(and(X1:S,X2:S)) -> a__and(mark(X1:S),X2:S) 1.34/1.55 mark(isNat(X:S)) -> a__isNat(X:S) 1.34/1.55 mark(plus(X1:S,X2:S)) -> a__plus(mark(X1:S),mark(X2:S)) 1.34/1.55 mark(s(X:S)) -> s(mark(X:S)) 1.34/1.55 mark(tt) -> tt 1.34/1.55 1.34/1.55 Problem 1: 1.34/1.55 1.34/1.55 Reduction Pairs Processor: 1.34/1.55 -> Pairs: 1.34/1.55 A__U21(tt,M:S,N:S) -> MARK(M:S) 1.34/1.55 A__U21(tt,M:S,N:S) -> MARK(N:S) 1.34/1.55 A__AND(tt,X:S) -> MARK(X:S) 1.34/1.55 A__ISNAT(plus(V1:S,V2:S)) -> A__AND(a__isNat(V1:S),isNat(V2:S)) 1.34/1.55 A__ISNAT(plus(V1:S,V2:S)) -> A__ISNAT(V1:S) 1.34/1.55 A__ISNAT(s(V1:S)) -> A__ISNAT(V1:S) 1.34/1.55 A__PLUS(N:S,0) -> A__ISNAT(N:S) 1.34/1.55 A__PLUS(N:S,s(M:S)) -> A__U21(a__and(a__isNat(M:S),isNat(N:S)),M:S,N:S) 1.34/1.55 A__PLUS(N:S,s(M:S)) -> A__AND(a__isNat(M:S),isNat(N:S)) 1.34/1.55 A__PLUS(N:S,s(M:S)) -> A__ISNAT(M:S) 1.34/1.55 MARK(U11(X1:S,X2:S)) -> MARK(X1:S) 1.34/1.55 MARK(U21(X1:S,X2:S,X3:S)) -> A__U21(mark(X1:S),X2:S,X3:S) 1.34/1.55 MARK(U21(X1:S,X2:S,X3:S)) -> MARK(X1:S) 1.34/1.55 MARK(and(X1:S,X2:S)) -> A__AND(mark(X1:S),X2:S) 1.34/1.55 MARK(and(X1:S,X2:S)) -> MARK(X1:S) 1.34/1.55 MARK(isNat(X:S)) -> A__ISNAT(X:S) 1.34/1.55 MARK(plus(X1:S,X2:S)) -> A__PLUS(mark(X1:S),mark(X2:S)) 1.34/1.55 MARK(plus(X1:S,X2:S)) -> MARK(X1:S) 1.34/1.55 MARK(plus(X1:S,X2:S)) -> MARK(X2:S) 1.34/1.55 MARK(s(X:S)) -> MARK(X:S) 1.34/1.55 -> Rules: 1.34/1.55 a__U11(tt,N:S) -> mark(N:S) 1.34/1.55 a__U11(X1:S,X2:S) -> U11(X1:S,X2:S) 1.34/1.55 a__U21(tt,M:S,N:S) -> s(a__plus(mark(N:S),mark(M:S))) 1.34/1.55 a__U21(X1:S,X2:S,X3:S) -> U21(X1:S,X2:S,X3:S) 1.34/1.55 a__and(tt,X:S) -> mark(X:S) 1.34/1.55 a__and(X1:S,X2:S) -> and(X1:S,X2:S) 1.34/1.55 a__isNat(0) -> tt 1.34/1.55 a__isNat(plus(V1:S,V2:S)) -> a__and(a__isNat(V1:S),isNat(V2:S)) 1.34/1.55 a__isNat(s(V1:S)) -> a__isNat(V1:S) 1.34/1.55 a__isNat(X:S) -> isNat(X:S) 1.34/1.55 a__plus(N:S,0) -> a__U11(a__isNat(N:S),N:S) 1.34/1.55 a__plus(N:S,s(M:S)) -> a__U21(a__and(a__isNat(M:S),isNat(N:S)),M:S,N:S) 1.34/1.55 a__plus(X1:S,X2:S) -> plus(X1:S,X2:S) 1.34/1.55 mark(0) -> 0 1.34/1.55 mark(U11(X1:S,X2:S)) -> a__U11(mark(X1:S),X2:S) 1.34/1.55 mark(U21(X1:S,X2:S,X3:S)) -> a__U21(mark(X1:S),X2:S,X3:S) 1.34/1.55 mark(and(X1:S,X2:S)) -> a__and(mark(X1:S),X2:S) 1.34/1.55 mark(isNat(X:S)) -> a__isNat(X:S) 1.34/1.55 mark(plus(X1:S,X2:S)) -> a__plus(mark(X1:S),mark(X2:S)) 1.34/1.55 mark(s(X:S)) -> s(mark(X:S)) 1.34/1.55 mark(tt) -> tt 1.34/1.55 -> Usable rules: 1.34/1.55 a__U11(tt,N:S) -> mark(N:S) 1.34/1.55 a__U11(X1:S,X2:S) -> U11(X1:S,X2:S) 1.34/1.55 a__U21(tt,M:S,N:S) -> s(a__plus(mark(N:S),mark(M:S))) 1.34/1.55 a__U21(X1:S,X2:S,X3:S) -> U21(X1:S,X2:S,X3:S) 1.34/1.55 a__and(tt,X:S) -> mark(X:S) 1.34/1.55 a__and(X1:S,X2:S) -> and(X1:S,X2:S) 1.34/1.55 a__isNat(0) -> tt 1.34/1.55 a__isNat(plus(V1:S,V2:S)) -> a__and(a__isNat(V1:S),isNat(V2:S)) 1.34/1.55 a__isNat(s(V1:S)) -> a__isNat(V1:S) 1.34/1.55 a__isNat(X:S) -> isNat(X:S) 1.34/1.55 a__plus(N:S,0) -> a__U11(a__isNat(N:S),N:S) 1.34/1.55 a__plus(N:S,s(M:S)) -> a__U21(a__and(a__isNat(M:S),isNat(N:S)),M:S,N:S) 1.34/1.55 a__plus(X1:S,X2:S) -> plus(X1:S,X2:S) 1.34/1.55 mark(0) -> 0 1.34/1.55 mark(U11(X1:S,X2:S)) -> a__U11(mark(X1:S),X2:S) 1.34/1.55 mark(U21(X1:S,X2:S,X3:S)) -> a__U21(mark(X1:S),X2:S,X3:S) 1.34/1.55 mark(and(X1:S,X2:S)) -> a__and(mark(X1:S),X2:S) 1.34/1.55 mark(isNat(X:S)) -> a__isNat(X:S) 1.34/1.55 mark(plus(X1:S,X2:S)) -> a__plus(mark(X1:S),mark(X2:S)) 1.34/1.55 mark(s(X:S)) -> s(mark(X:S)) 1.34/1.55 mark(tt) -> tt 1.34/1.55 ->Interpretation type: 1.34/1.55 Linear 1.34/1.55 ->Coefficients: 1.34/1.55 Natural Numbers 1.34/1.55 ->Dimension: 1.34/1.55 1 1.34/1.55 ->Bound: 1.34/1.55 2 1.34/1.55 ->Interpretation: 1.34/1.55 1.34/1.55 [a__U11](X1,X2) = 2.X1 + X2 + 1 1.34/1.55 [a__U21](X1,X2,X3) = 2.X1 + 2.X2 + 2.X3 + 1 1.34/1.55 [a__and](X1,X2) = 2.X1 + 2.X2 1.34/1.55 [a__isNat](X) = 0 1.34/1.55 [a__plus](X1,X2) = 2.X1 + 2.X2 1.34/1.55 [mark](X) = X 1.34/1.55 [0] = 2 1.34/1.55 [U11](X1,X2) = 2.X1 + X2 + 1 1.34/1.55 [U21](X1,X2,X3) = 2.X1 + 2.X2 + 2.X3 + 1 1.34/1.55 [and](X1,X2) = 2.X1 + 2.X2 1.34/1.55 [fSNonEmpty] = 0 1.34/1.55 [isNat](X) = 0 1.34/1.55 [plus](X1,X2) = 2.X1 + 2.X2 1.34/1.55 [s](X) = X + 1 1.34/1.55 [tt] = 0 1.34/1.55 [A__U11](X1,X2) = 0 1.34/1.55 [A__U21](X1,X2,X3) = 2.X2 + 2.X3 + 2 1.34/1.55 [A__AND](X1,X2) = 2.X1 + 2.X2 + 1 1.34/1.55 [A__ISNAT](X) = 1 1.34/1.55 [A__PLUS](X1,X2) = 2.X1 + 2.X2 + 1 1.34/1.55 [MARK](X) = 2.X + 1 1.34/1.55 1.34/1.55 Problem 1: 1.34/1.55 1.34/1.55 SCC Processor: 1.34/1.55 -> Pairs: 1.34/1.55 A__U21(tt,M:S,N:S) -> MARK(N:S) 1.34/1.55 A__AND(tt,X:S) -> MARK(X:S) 1.34/1.55 A__ISNAT(plus(V1:S,V2:S)) -> A__AND(a__isNat(V1:S),isNat(V2:S)) 1.34/1.55 A__ISNAT(plus(V1:S,V2:S)) -> A__ISNAT(V1:S) 1.34/1.55 A__ISNAT(s(V1:S)) -> A__ISNAT(V1:S) 1.34/1.55 A__PLUS(N:S,0) -> A__ISNAT(N:S) 1.34/1.55 A__PLUS(N:S,s(M:S)) -> A__U21(a__and(a__isNat(M:S),isNat(N:S)),M:S,N:S) 1.34/1.55 A__PLUS(N:S,s(M:S)) -> A__AND(a__isNat(M:S),isNat(N:S)) 1.34/1.55 A__PLUS(N:S,s(M:S)) -> A__ISNAT(M:S) 1.34/1.55 MARK(U11(X1:S,X2:S)) -> MARK(X1:S) 1.34/1.55 MARK(U21(X1:S,X2:S,X3:S)) -> A__U21(mark(X1:S),X2:S,X3:S) 1.34/1.55 MARK(U21(X1:S,X2:S,X3:S)) -> MARK(X1:S) 1.34/1.55 MARK(and(X1:S,X2:S)) -> A__AND(mark(X1:S),X2:S) 1.34/1.55 MARK(and(X1:S,X2:S)) -> MARK(X1:S) 1.34/1.55 MARK(isNat(X:S)) -> A__ISNAT(X:S) 1.34/1.55 MARK(plus(X1:S,X2:S)) -> A__PLUS(mark(X1:S),mark(X2:S)) 1.34/1.55 MARK(plus(X1:S,X2:S)) -> MARK(X1:S) 1.34/1.55 MARK(plus(X1:S,X2:S)) -> MARK(X2:S) 1.34/1.55 MARK(s(X:S)) -> MARK(X:S) 1.34/1.55 -> Rules: 1.34/1.55 a__U11(tt,N:S) -> mark(N:S) 1.34/1.55 a__U11(X1:S,X2:S) -> U11(X1:S,X2:S) 1.34/1.55 a__U21(tt,M:S,N:S) -> s(a__plus(mark(N:S),mark(M:S))) 1.34/1.55 a__U21(X1:S,X2:S,X3:S) -> U21(X1:S,X2:S,X3:S) 1.34/1.55 a__and(tt,X:S) -> mark(X:S) 1.34/1.55 a__and(X1:S,X2:S) -> and(X1:S,X2:S) 1.34/1.55 a__isNat(0) -> tt 1.34/1.55 a__isNat(plus(V1:S,V2:S)) -> a__and(a__isNat(V1:S),isNat(V2:S)) 1.34/1.55 a__isNat(s(V1:S)) -> a__isNat(V1:S) 1.34/1.55 a__isNat(X:S) -> isNat(X:S) 1.34/1.55 a__plus(N:S,0) -> a__U11(a__isNat(N:S),N:S) 1.34/1.55 a__plus(N:S,s(M:S)) -> a__U21(a__and(a__isNat(M:S),isNat(N:S)),M:S,N:S) 1.34/1.55 a__plus(X1:S,X2:S) -> plus(X1:S,X2:S) 1.34/1.55 mark(0) -> 0 1.34/1.55 mark(U11(X1:S,X2:S)) -> a__U11(mark(X1:S),X2:S) 1.34/1.55 mark(U21(X1:S,X2:S,X3:S)) -> a__U21(mark(X1:S),X2:S,X3:S) 1.34/1.55 mark(and(X1:S,X2:S)) -> a__and(mark(X1:S),X2:S) 1.34/1.55 mark(isNat(X:S)) -> a__isNat(X:S) 1.34/1.55 mark(plus(X1:S,X2:S)) -> a__plus(mark(X1:S),mark(X2:S)) 1.34/1.55 mark(s(X:S)) -> s(mark(X:S)) 1.34/1.55 mark(tt) -> tt 1.34/1.55 ->Strongly Connected Components: 1.34/1.55 ->->Cycle: 1.34/1.55 ->->-> Pairs: 1.34/1.55 A__U21(tt,M:S,N:S) -> MARK(N:S) 1.34/1.55 A__AND(tt,X:S) -> MARK(X:S) 1.34/1.55 A__ISNAT(plus(V1:S,V2:S)) -> A__AND(a__isNat(V1:S),isNat(V2:S)) 1.34/1.55 A__ISNAT(plus(V1:S,V2:S)) -> A__ISNAT(V1:S) 1.34/1.55 A__ISNAT(s(V1:S)) -> A__ISNAT(V1:S) 1.34/1.55 A__PLUS(N:S,0) -> A__ISNAT(N:S) 1.34/1.55 A__PLUS(N:S,s(M:S)) -> A__U21(a__and(a__isNat(M:S),isNat(N:S)),M:S,N:S) 1.34/1.55 A__PLUS(N:S,s(M:S)) -> A__AND(a__isNat(M:S),isNat(N:S)) 1.34/1.55 A__PLUS(N:S,s(M:S)) -> A__ISNAT(M:S) 1.34/1.55 MARK(U11(X1:S,X2:S)) -> MARK(X1:S) 1.34/1.55 MARK(U21(X1:S,X2:S,X3:S)) -> A__U21(mark(X1:S),X2:S,X3:S) 1.34/1.55 MARK(U21(X1:S,X2:S,X3:S)) -> MARK(X1:S) 1.34/1.55 MARK(and(X1:S,X2:S)) -> A__AND(mark(X1:S),X2:S) 1.34/1.55 MARK(and(X1:S,X2:S)) -> MARK(X1:S) 1.34/1.55 MARK(isNat(X:S)) -> A__ISNAT(X:S) 1.34/1.55 MARK(plus(X1:S,X2:S)) -> A__PLUS(mark(X1:S),mark(X2:S)) 1.34/1.55 MARK(plus(X1:S,X2:S)) -> MARK(X1:S) 1.34/1.55 MARK(plus(X1:S,X2:S)) -> MARK(X2:S) 1.34/1.55 MARK(s(X:S)) -> MARK(X:S) 1.34/1.55 ->->-> Rules: 1.34/1.55 a__U11(tt,N:S) -> mark(N:S) 1.34/1.55 a__U11(X1:S,X2:S) -> U11(X1:S,X2:S) 1.34/1.55 a__U21(tt,M:S,N:S) -> s(a__plus(mark(N:S),mark(M:S))) 1.34/1.55 a__U21(X1:S,X2:S,X3:S) -> U21(X1:S,X2:S,X3:S) 1.34/1.55 a__and(tt,X:S) -> mark(X:S) 1.34/1.55 a__and(X1:S,X2:S) -> and(X1:S,X2:S) 1.34/1.55 a__isNat(0) -> tt 1.34/1.55 a__isNat(plus(V1:S,V2:S)) -> a__and(a__isNat(V1:S),isNat(V2:S)) 1.34/1.55 a__isNat(s(V1:S)) -> a__isNat(V1:S) 1.34/1.55 a__isNat(X:S) -> isNat(X:S) 1.34/1.55 a__plus(N:S,0) -> a__U11(a__isNat(N:S),N:S) 1.34/1.55 a__plus(N:S,s(M:S)) -> a__U21(a__and(a__isNat(M:S),isNat(N:S)),M:S,N:S) 1.34/1.55 a__plus(X1:S,X2:S) -> plus(X1:S,X2:S) 1.34/1.55 mark(0) -> 0 1.34/1.55 mark(U11(X1:S,X2:S)) -> a__U11(mark(X1:S),X2:S) 1.34/1.55 mark(U21(X1:S,X2:S,X3:S)) -> a__U21(mark(X1:S),X2:S,X3:S) 1.34/1.55 mark(and(X1:S,X2:S)) -> a__and(mark(X1:S),X2:S) 1.34/1.55 mark(isNat(X:S)) -> a__isNat(X:S) 1.34/1.55 mark(plus(X1:S,X2:S)) -> a__plus(mark(X1:S),mark(X2:S)) 1.34/1.55 mark(s(X:S)) -> s(mark(X:S)) 1.34/1.55 mark(tt) -> tt 1.34/1.55 1.34/1.55 Problem 1: 1.34/1.55 1.34/1.55 Reduction Pairs Processor: 1.34/1.55 -> Pairs: 1.34/1.55 A__U21(tt,M:S,N:S) -> MARK(N:S) 1.34/1.55 A__AND(tt,X:S) -> MARK(X:S) 1.34/1.55 A__ISNAT(plus(V1:S,V2:S)) -> A__AND(a__isNat(V1:S),isNat(V2:S)) 1.34/1.55 A__ISNAT(plus(V1:S,V2:S)) -> A__ISNAT(V1:S) 1.34/1.55 A__ISNAT(s(V1:S)) -> A__ISNAT(V1:S) 1.34/1.55 A__PLUS(N:S,0) -> A__ISNAT(N:S) 1.34/1.55 A__PLUS(N:S,s(M:S)) -> A__U21(a__and(a__isNat(M:S),isNat(N:S)),M:S,N:S) 1.34/1.55 A__PLUS(N:S,s(M:S)) -> A__AND(a__isNat(M:S),isNat(N:S)) 1.34/1.55 A__PLUS(N:S,s(M:S)) -> A__ISNAT(M:S) 1.34/1.55 MARK(U11(X1:S,X2:S)) -> MARK(X1:S) 1.34/1.55 MARK(U21(X1:S,X2:S,X3:S)) -> A__U21(mark(X1:S),X2:S,X3:S) 1.34/1.55 MARK(U21(X1:S,X2:S,X3:S)) -> MARK(X1:S) 1.34/1.55 MARK(and(X1:S,X2:S)) -> A__AND(mark(X1:S),X2:S) 1.34/1.55 MARK(and(X1:S,X2:S)) -> MARK(X1:S) 1.34/1.55 MARK(isNat(X:S)) -> A__ISNAT(X:S) 1.34/1.55 MARK(plus(X1:S,X2:S)) -> A__PLUS(mark(X1:S),mark(X2:S)) 1.34/1.55 MARK(plus(X1:S,X2:S)) -> MARK(X1:S) 1.34/1.55 MARK(plus(X1:S,X2:S)) -> MARK(X2:S) 1.34/1.55 MARK(s(X:S)) -> MARK(X:S) 1.34/1.55 -> Rules: 1.34/1.55 a__U11(tt,N:S) -> mark(N:S) 1.34/1.55 a__U11(X1:S,X2:S) -> U11(X1:S,X2:S) 1.34/1.55 a__U21(tt,M:S,N:S) -> s(a__plus(mark(N:S),mark(M:S))) 1.34/1.55 a__U21(X1:S,X2:S,X3:S) -> U21(X1:S,X2:S,X3:S) 1.34/1.55 a__and(tt,X:S) -> mark(X:S) 1.34/1.55 a__and(X1:S,X2:S) -> and(X1:S,X2:S) 1.34/1.55 a__isNat(0) -> tt 1.34/1.55 a__isNat(plus(V1:S,V2:S)) -> a__and(a__isNat(V1:S),isNat(V2:S)) 1.34/1.55 a__isNat(s(V1:S)) -> a__isNat(V1:S) 1.34/1.55 a__isNat(X:S) -> isNat(X:S) 1.34/1.55 a__plus(N:S,0) -> a__U11(a__isNat(N:S),N:S) 1.34/1.55 a__plus(N:S,s(M:S)) -> a__U21(a__and(a__isNat(M:S),isNat(N:S)),M:S,N:S) 1.34/1.55 a__plus(X1:S,X2:S) -> plus(X1:S,X2:S) 1.34/1.55 mark(0) -> 0 1.34/1.55 mark(U11(X1:S,X2:S)) -> a__U11(mark(X1:S),X2:S) 1.34/1.55 mark(U21(X1:S,X2:S,X3:S)) -> a__U21(mark(X1:S),X2:S,X3:S) 1.34/1.55 mark(and(X1:S,X2:S)) -> a__and(mark(X1:S),X2:S) 1.34/1.55 mark(isNat(X:S)) -> a__isNat(X:S) 1.34/1.55 mark(plus(X1:S,X2:S)) -> a__plus(mark(X1:S),mark(X2:S)) 1.34/1.55 mark(s(X:S)) -> s(mark(X:S)) 1.34/1.55 mark(tt) -> tt 1.34/1.55 -> Usable rules: 1.34/1.55 a__U11(tt,N:S) -> mark(N:S) 1.34/1.55 a__U11(X1:S,X2:S) -> U11(X1:S,X2:S) 1.34/1.55 a__U21(tt,M:S,N:S) -> s(a__plus(mark(N:S),mark(M:S))) 1.34/1.55 a__U21(X1:S,X2:S,X3:S) -> U21(X1:S,X2:S,X3:S) 1.34/1.55 a__and(tt,X:S) -> mark(X:S) 1.34/1.55 a__and(X1:S,X2:S) -> and(X1:S,X2:S) 1.34/1.55 a__isNat(0) -> tt 1.34/1.55 a__isNat(plus(V1:S,V2:S)) -> a__and(a__isNat(V1:S),isNat(V2:S)) 1.34/1.55 a__isNat(s(V1:S)) -> a__isNat(V1:S) 1.34/1.55 a__isNat(X:S) -> isNat(X:S) 1.34/1.55 a__plus(N:S,0) -> a__U11(a__isNat(N:S),N:S) 1.34/1.55 a__plus(N:S,s(M:S)) -> a__U21(a__and(a__isNat(M:S),isNat(N:S)),M:S,N:S) 1.34/1.55 a__plus(X1:S,X2:S) -> plus(X1:S,X2:S) 1.34/1.55 mark(0) -> 0 1.34/1.55 mark(U11(X1:S,X2:S)) -> a__U11(mark(X1:S),X2:S) 1.34/1.55 mark(U21(X1:S,X2:S,X3:S)) -> a__U21(mark(X1:S),X2:S,X3:S) 1.34/1.55 mark(and(X1:S,X2:S)) -> a__and(mark(X1:S),X2:S) 1.34/1.55 mark(isNat(X:S)) -> a__isNat(X:S) 1.34/1.55 mark(plus(X1:S,X2:S)) -> a__plus(mark(X1:S),mark(X2:S)) 1.34/1.55 mark(s(X:S)) -> s(mark(X:S)) 1.34/1.55 mark(tt) -> tt 1.34/1.55 ->Interpretation type: 1.34/1.55 Linear 1.34/1.55 ->Coefficients: 1.34/1.55 Natural Numbers 1.34/1.55 ->Dimension: 1.34/1.55 1 1.34/1.55 ->Bound: 1.34/1.55 2 1.34/1.55 ->Interpretation: 1.34/1.55 1.34/1.55 [a__U11](X1,X2) = 2.X1 + 2.X2 + 1 1.34/1.55 [a__U21](X1,X2,X3) = 2.X1 + 2.X2 + 2.X3 + 2 1.34/1.55 [a__and](X1,X2) = 2.X1 + 2.X2 1.34/1.55 [a__isNat](X) = 0 1.34/1.55 [a__plus](X1,X2) = 2.X1 + 2.X2 1.34/1.55 [mark](X) = X 1.34/1.55 [0] = 1 1.34/1.55 [U11](X1,X2) = 2.X1 + 2.X2 + 1 1.34/1.55 [U21](X1,X2,X3) = 2.X1 + 2.X2 + 2.X3 + 2 1.34/1.55 [and](X1,X2) = 2.X1 + 2.X2 1.34/1.55 [fSNonEmpty] = 0 1.34/1.55 [isNat](X) = 0 1.34/1.55 [plus](X1,X2) = 2.X1 + 2.X2 1.34/1.55 [s](X) = X + 2 1.34/1.55 [tt] = 0 1.34/1.55 [A__U11](X1,X2) = 0 1.34/1.55 [A__U21](X1,X2,X3) = 2.X3 + 2 1.34/1.55 [A__AND](X1,X2) = 2.X2 + 1 1.34/1.55 [A__ISNAT](X) = 1 1.34/1.55 [A__PLUS](X1,X2) = 2.X1 + 2.X2 1.34/1.55 [MARK](X) = 2.X + 1 1.34/1.55 1.34/1.55 Problem 1: 1.34/1.55 1.34/1.55 SCC Processor: 1.34/1.55 -> Pairs: 1.34/1.55 A__AND(tt,X:S) -> MARK(X:S) 1.34/1.55 A__ISNAT(plus(V1:S,V2:S)) -> A__AND(a__isNat(V1:S),isNat(V2:S)) 1.34/1.55 A__ISNAT(plus(V1:S,V2:S)) -> A__ISNAT(V1:S) 1.34/1.55 A__ISNAT(s(V1:S)) -> A__ISNAT(V1:S) 1.34/1.55 A__PLUS(N:S,0) -> A__ISNAT(N:S) 1.34/1.55 A__PLUS(N:S,s(M:S)) -> A__U21(a__and(a__isNat(M:S),isNat(N:S)),M:S,N:S) 1.34/1.55 A__PLUS(N:S,s(M:S)) -> A__AND(a__isNat(M:S),isNat(N:S)) 1.34/1.55 A__PLUS(N:S,s(M:S)) -> A__ISNAT(M:S) 1.34/1.55 MARK(U11(X1:S,X2:S)) -> MARK(X1:S) 1.34/1.55 MARK(U21(X1:S,X2:S,X3:S)) -> A__U21(mark(X1:S),X2:S,X3:S) 1.34/1.55 MARK(U21(X1:S,X2:S,X3:S)) -> MARK(X1:S) 1.34/1.55 MARK(and(X1:S,X2:S)) -> A__AND(mark(X1:S),X2:S) 1.34/1.55 MARK(and(X1:S,X2:S)) -> MARK(X1:S) 1.34/1.55 MARK(isNat(X:S)) -> A__ISNAT(X:S) 1.34/1.55 MARK(plus(X1:S,X2:S)) -> A__PLUS(mark(X1:S),mark(X2:S)) 1.34/1.55 MARK(plus(X1:S,X2:S)) -> MARK(X1:S) 1.34/1.55 MARK(plus(X1:S,X2:S)) -> MARK(X2:S) 1.34/1.55 MARK(s(X:S)) -> MARK(X:S) 1.34/1.55 -> Rules: 1.34/1.55 a__U11(tt,N:S) -> mark(N:S) 1.34/1.55 a__U11(X1:S,X2:S) -> U11(X1:S,X2:S) 1.34/1.55 a__U21(tt,M:S,N:S) -> s(a__plus(mark(N:S),mark(M:S))) 1.34/1.55 a__U21(X1:S,X2:S,X3:S) -> U21(X1:S,X2:S,X3:S) 1.34/1.55 a__and(tt,X:S) -> mark(X:S) 1.34/1.55 a__and(X1:S,X2:S) -> and(X1:S,X2:S) 1.34/1.55 a__isNat(0) -> tt 1.34/1.55 a__isNat(plus(V1:S,V2:S)) -> a__and(a__isNat(V1:S),isNat(V2:S)) 1.34/1.55 a__isNat(s(V1:S)) -> a__isNat(V1:S) 1.34/1.55 a__isNat(X:S) -> isNat(X:S) 1.34/1.55 a__plus(N:S,0) -> a__U11(a__isNat(N:S),N:S) 1.34/1.55 a__plus(N:S,s(M:S)) -> a__U21(a__and(a__isNat(M:S),isNat(N:S)),M:S,N:S) 1.34/1.55 a__plus(X1:S,X2:S) -> plus(X1:S,X2:S) 1.34/1.55 mark(0) -> 0 1.34/1.55 mark(U11(X1:S,X2:S)) -> a__U11(mark(X1:S),X2:S) 1.34/1.55 mark(U21(X1:S,X2:S,X3:S)) -> a__U21(mark(X1:S),X2:S,X3:S) 1.34/1.55 mark(and(X1:S,X2:S)) -> a__and(mark(X1:S),X2:S) 1.34/1.55 mark(isNat(X:S)) -> a__isNat(X:S) 1.34/1.55 mark(plus(X1:S,X2:S)) -> a__plus(mark(X1:S),mark(X2:S)) 1.34/1.55 mark(s(X:S)) -> s(mark(X:S)) 1.34/1.55 mark(tt) -> tt 1.34/1.55 ->Strongly Connected Components: 1.34/1.55 ->->Cycle: 1.34/1.55 ->->-> Pairs: 1.34/1.55 A__AND(tt,X:S) -> MARK(X:S) 1.34/1.55 A__ISNAT(plus(V1:S,V2:S)) -> A__AND(a__isNat(V1:S),isNat(V2:S)) 1.34/1.55 A__ISNAT(plus(V1:S,V2:S)) -> A__ISNAT(V1:S) 1.34/1.55 A__ISNAT(s(V1:S)) -> A__ISNAT(V1:S) 1.34/1.55 A__PLUS(N:S,0) -> A__ISNAT(N:S) 1.34/1.55 A__PLUS(N:S,s(M:S)) -> A__AND(a__isNat(M:S),isNat(N:S)) 1.34/1.55 A__PLUS(N:S,s(M:S)) -> A__ISNAT(M:S) 1.34/1.55 MARK(U11(X1:S,X2:S)) -> MARK(X1:S) 1.34/1.55 MARK(U21(X1:S,X2:S,X3:S)) -> MARK(X1:S) 1.34/1.55 MARK(and(X1:S,X2:S)) -> A__AND(mark(X1:S),X2:S) 1.34/1.55 MARK(and(X1:S,X2:S)) -> MARK(X1:S) 1.34/1.55 MARK(isNat(X:S)) -> A__ISNAT(X:S) 1.34/1.55 MARK(plus(X1:S,X2:S)) -> A__PLUS(mark(X1:S),mark(X2:S)) 1.34/1.55 MARK(plus(X1:S,X2:S)) -> MARK(X1:S) 1.34/1.55 MARK(plus(X1:S,X2:S)) -> MARK(X2:S) 1.34/1.55 MARK(s(X:S)) -> MARK(X:S) 1.34/1.55 ->->-> Rules: 1.34/1.55 a__U11(tt,N:S) -> mark(N:S) 1.34/1.55 a__U11(X1:S,X2:S) -> U11(X1:S,X2:S) 1.34/1.55 a__U21(tt,M:S,N:S) -> s(a__plus(mark(N:S),mark(M:S))) 1.34/1.55 a__U21(X1:S,X2:S,X3:S) -> U21(X1:S,X2:S,X3:S) 1.34/1.55 a__and(tt,X:S) -> mark(X:S) 1.34/1.55 a__and(X1:S,X2:S) -> and(X1:S,X2:S) 1.34/1.55 a__isNat(0) -> tt 1.34/1.55 a__isNat(plus(V1:S,V2:S)) -> a__and(a__isNat(V1:S),isNat(V2:S)) 1.34/1.55 a__isNat(s(V1:S)) -> a__isNat(V1:S) 1.34/1.55 a__isNat(X:S) -> isNat(X:S) 1.34/1.55 a__plus(N:S,0) -> a__U11(a__isNat(N:S),N:S) 1.34/1.55 a__plus(N:S,s(M:S)) -> a__U21(a__and(a__isNat(M:S),isNat(N:S)),M:S,N:S) 1.34/1.55 a__plus(X1:S,X2:S) -> plus(X1:S,X2:S) 1.34/1.55 mark(0) -> 0 1.34/1.55 mark(U11(X1:S,X2:S)) -> a__U11(mark(X1:S),X2:S) 1.34/1.55 mark(U21(X1:S,X2:S,X3:S)) -> a__U21(mark(X1:S),X2:S,X3:S) 1.34/1.55 mark(and(X1:S,X2:S)) -> a__and(mark(X1:S),X2:S) 1.34/1.55 mark(isNat(X:S)) -> a__isNat(X:S) 1.34/1.55 mark(plus(X1:S,X2:S)) -> a__plus(mark(X1:S),mark(X2:S)) 1.34/1.55 mark(s(X:S)) -> s(mark(X:S)) 1.34/1.55 mark(tt) -> tt 1.34/1.55 1.34/1.55 Problem 1: 1.34/1.55 1.34/1.55 Reduction Pairs Processor: 1.34/1.55 -> Pairs: 1.34/1.55 A__AND(tt,X:S) -> MARK(X:S) 1.34/1.55 A__ISNAT(plus(V1:S,V2:S)) -> A__AND(a__isNat(V1:S),isNat(V2:S)) 1.34/1.55 A__ISNAT(plus(V1:S,V2:S)) -> A__ISNAT(V1:S) 1.34/1.55 A__ISNAT(s(V1:S)) -> A__ISNAT(V1:S) 1.34/1.55 A__PLUS(N:S,0) -> A__ISNAT(N:S) 1.34/1.55 A__PLUS(N:S,s(M:S)) -> A__AND(a__isNat(M:S),isNat(N:S)) 1.34/1.55 A__PLUS(N:S,s(M:S)) -> A__ISNAT(M:S) 1.34/1.55 MARK(U11(X1:S,X2:S)) -> MARK(X1:S) 1.34/1.55 MARK(U21(X1:S,X2:S,X3:S)) -> MARK(X1:S) 1.34/1.55 MARK(and(X1:S,X2:S)) -> A__AND(mark(X1:S),X2:S) 1.34/1.55 MARK(and(X1:S,X2:S)) -> MARK(X1:S) 1.34/1.55 MARK(isNat(X:S)) -> A__ISNAT(X:S) 1.34/1.55 MARK(plus(X1:S,X2:S)) -> A__PLUS(mark(X1:S),mark(X2:S)) 1.34/1.55 MARK(plus(X1:S,X2:S)) -> MARK(X1:S) 1.34/1.55 MARK(plus(X1:S,X2:S)) -> MARK(X2:S) 1.34/1.55 MARK(s(X:S)) -> MARK(X:S) 1.34/1.55 -> Rules: 1.34/1.55 a__U11(tt,N:S) -> mark(N:S) 1.34/1.55 a__U11(X1:S,X2:S) -> U11(X1:S,X2:S) 1.34/1.55 a__U21(tt,M:S,N:S) -> s(a__plus(mark(N:S),mark(M:S))) 1.34/1.55 a__U21(X1:S,X2:S,X3:S) -> U21(X1:S,X2:S,X3:S) 1.34/1.55 a__and(tt,X:S) -> mark(X:S) 1.34/1.55 a__and(X1:S,X2:S) -> and(X1:S,X2:S) 1.34/1.55 a__isNat(0) -> tt 1.34/1.55 a__isNat(plus(V1:S,V2:S)) -> a__and(a__isNat(V1:S),isNat(V2:S)) 1.34/1.55 a__isNat(s(V1:S)) -> a__isNat(V1:S) 1.34/1.55 a__isNat(X:S) -> isNat(X:S) 1.34/1.55 a__plus(N:S,0) -> a__U11(a__isNat(N:S),N:S) 1.34/1.55 a__plus(N:S,s(M:S)) -> a__U21(a__and(a__isNat(M:S),isNat(N:S)),M:S,N:S) 1.34/1.55 a__plus(X1:S,X2:S) -> plus(X1:S,X2:S) 1.34/1.55 mark(0) -> 0 1.34/1.55 mark(U11(X1:S,X2:S)) -> a__U11(mark(X1:S),X2:S) 1.34/1.55 mark(U21(X1:S,X2:S,X3:S)) -> a__U21(mark(X1:S),X2:S,X3:S) 1.34/1.55 mark(and(X1:S,X2:S)) -> a__and(mark(X1:S),X2:S) 1.34/1.55 mark(isNat(X:S)) -> a__isNat(X:S) 1.34/1.55 mark(plus(X1:S,X2:S)) -> a__plus(mark(X1:S),mark(X2:S)) 1.34/1.55 mark(s(X:S)) -> s(mark(X:S)) 1.34/1.55 mark(tt) -> tt 1.34/1.55 -> Usable rules: 1.34/1.55 a__U11(tt,N:S) -> mark(N:S) 1.34/1.55 a__U11(X1:S,X2:S) -> U11(X1:S,X2:S) 1.34/1.55 a__U21(tt,M:S,N:S) -> s(a__plus(mark(N:S),mark(M:S))) 1.34/1.55 a__U21(X1:S,X2:S,X3:S) -> U21(X1:S,X2:S,X3:S) 1.34/1.55 a__and(tt,X:S) -> mark(X:S) 1.34/1.55 a__and(X1:S,X2:S) -> and(X1:S,X2:S) 1.34/1.55 a__isNat(0) -> tt 1.34/1.55 a__isNat(plus(V1:S,V2:S)) -> a__and(a__isNat(V1:S),isNat(V2:S)) 1.34/1.55 a__isNat(s(V1:S)) -> a__isNat(V1:S) 1.34/1.55 a__isNat(X:S) -> isNat(X:S) 1.34/1.55 a__plus(N:S,0) -> a__U11(a__isNat(N:S),N:S) 1.34/1.55 a__plus(N:S,s(M:S)) -> a__U21(a__and(a__isNat(M:S),isNat(N:S)),M:S,N:S) 1.34/1.55 a__plus(X1:S,X2:S) -> plus(X1:S,X2:S) 1.34/1.55 mark(0) -> 0 1.34/1.55 mark(U11(X1:S,X2:S)) -> a__U11(mark(X1:S),X2:S) 1.34/1.55 mark(U21(X1:S,X2:S,X3:S)) -> a__U21(mark(X1:S),X2:S,X3:S) 1.34/1.55 mark(and(X1:S,X2:S)) -> a__and(mark(X1:S),X2:S) 1.34/1.55 mark(isNat(X:S)) -> a__isNat(X:S) 1.34/1.55 mark(plus(X1:S,X2:S)) -> a__plus(mark(X1:S),mark(X2:S)) 1.34/1.55 mark(s(X:S)) -> s(mark(X:S)) 1.34/1.55 mark(tt) -> tt 1.34/1.55 ->Interpretation type: 1.34/1.55 Linear 1.34/1.55 ->Coefficients: 1.34/1.55 Natural Numbers 1.34/1.55 ->Dimension: 1.34/1.55 1 1.34/1.55 ->Bound: 1.34/1.55 2 1.34/1.55 ->Interpretation: 1.34/1.55 1.34/1.55 [a__U11](X1,X2) = X1 + 2.X2 + 1 1.34/1.55 [a__U21](X1,X2,X3) = 2.X1 + 2.X2 + 2.X3 + 2 1.34/1.55 [a__and](X1,X2) = 2.X1 + X2 1.34/1.55 [a__isNat](X) = 0 1.34/1.55 [a__plus](X1,X2) = 2.X1 + 2.X2 + 2 1.34/1.55 [mark](X) = X 1.34/1.55 [0] = 2 1.34/1.55 [U11](X1,X2) = X1 + 2.X2 + 1 1.34/1.55 [U21](X1,X2,X3) = 2.X1 + 2.X2 + 2.X3 + 2 1.34/1.55 [and](X1,X2) = 2.X1 + X2 1.34/1.55 [fSNonEmpty] = 0 1.34/1.55 [isNat](X) = 0 1.34/1.55 [plus](X1,X2) = 2.X1 + 2.X2 + 2 1.34/1.55 [s](X) = X 1.34/1.55 [tt] = 0 1.34/1.55 [A__U11](X1,X2) = 0 1.34/1.55 [A__U21](X1,X2,X3) = 0 1.34/1.55 [A__AND](X1,X2) = 2.X1 + 2.X2 + 2 1.34/1.55 [A__ISNAT](X) = 2 1.34/1.55 [A__PLUS](X1,X2) = 2.X1 + X2 + 2 1.34/1.55 [MARK](X) = 2.X + 2 1.34/1.55 1.34/1.55 Problem 1: 1.34/1.55 1.34/1.55 SCC Processor: 1.34/1.55 -> Pairs: 1.34/1.55 A__AND(tt,X:S) -> MARK(X:S) 1.34/1.55 A__ISNAT(plus(V1:S,V2:S)) -> A__AND(a__isNat(V1:S),isNat(V2:S)) 1.34/1.55 A__ISNAT(plus(V1:S,V2:S)) -> A__ISNAT(V1:S) 1.34/1.55 A__ISNAT(s(V1:S)) -> A__ISNAT(V1:S) 1.34/1.55 A__PLUS(N:S,s(M:S)) -> A__AND(a__isNat(M:S),isNat(N:S)) 1.34/1.55 A__PLUS(N:S,s(M:S)) -> A__ISNAT(M:S) 1.34/1.55 MARK(U11(X1:S,X2:S)) -> MARK(X1:S) 1.34/1.55 MARK(U21(X1:S,X2:S,X3:S)) -> MARK(X1:S) 1.34/1.55 MARK(and(X1:S,X2:S)) -> A__AND(mark(X1:S),X2:S) 1.34/1.55 MARK(and(X1:S,X2:S)) -> MARK(X1:S) 1.34/1.55 MARK(isNat(X:S)) -> A__ISNAT(X:S) 1.34/1.55 MARK(plus(X1:S,X2:S)) -> A__PLUS(mark(X1:S),mark(X2:S)) 1.34/1.55 MARK(plus(X1:S,X2:S)) -> MARK(X1:S) 1.34/1.55 MARK(plus(X1:S,X2:S)) -> MARK(X2:S) 1.34/1.55 MARK(s(X:S)) -> MARK(X:S) 1.34/1.55 -> Rules: 1.34/1.55 a__U11(tt,N:S) -> mark(N:S) 1.34/1.55 a__U11(X1:S,X2:S) -> U11(X1:S,X2:S) 1.34/1.55 a__U21(tt,M:S,N:S) -> s(a__plus(mark(N:S),mark(M:S))) 1.34/1.55 a__U21(X1:S,X2:S,X3:S) -> U21(X1:S,X2:S,X3:S) 1.34/1.55 a__and(tt,X:S) -> mark(X:S) 1.34/1.55 a__and(X1:S,X2:S) -> and(X1:S,X2:S) 1.34/1.55 a__isNat(0) -> tt 1.34/1.55 a__isNat(plus(V1:S,V2:S)) -> a__and(a__isNat(V1:S),isNat(V2:S)) 1.34/1.55 a__isNat(s(V1:S)) -> a__isNat(V1:S) 1.34/1.55 a__isNat(X:S) -> isNat(X:S) 1.34/1.55 a__plus(N:S,0) -> a__U11(a__isNat(N:S),N:S) 1.34/1.55 a__plus(N:S,s(M:S)) -> a__U21(a__and(a__isNat(M:S),isNat(N:S)),M:S,N:S) 1.34/1.55 a__plus(X1:S,X2:S) -> plus(X1:S,X2:S) 1.34/1.55 mark(0) -> 0 1.34/1.55 mark(U11(X1:S,X2:S)) -> a__U11(mark(X1:S),X2:S) 1.34/1.55 mark(U21(X1:S,X2:S,X3:S)) -> a__U21(mark(X1:S),X2:S,X3:S) 1.34/1.55 mark(and(X1:S,X2:S)) -> a__and(mark(X1:S),X2:S) 1.34/1.55 mark(isNat(X:S)) -> a__isNat(X:S) 1.34/1.55 mark(plus(X1:S,X2:S)) -> a__plus(mark(X1:S),mark(X2:S)) 1.34/1.55 mark(s(X:S)) -> s(mark(X:S)) 1.34/1.55 mark(tt) -> tt 1.34/1.55 ->Strongly Connected Components: 1.34/1.55 ->->Cycle: 1.34/1.55 ->->-> Pairs: 1.34/1.55 A__AND(tt,X:S) -> MARK(X:S) 1.34/1.55 A__ISNAT(plus(V1:S,V2:S)) -> A__AND(a__isNat(V1:S),isNat(V2:S)) 1.34/1.55 A__ISNAT(plus(V1:S,V2:S)) -> A__ISNAT(V1:S) 1.34/1.55 A__ISNAT(s(V1:S)) -> A__ISNAT(V1:S) 1.34/1.55 A__PLUS(N:S,s(M:S)) -> A__AND(a__isNat(M:S),isNat(N:S)) 1.34/1.56 A__PLUS(N:S,s(M:S)) -> A__ISNAT(M:S) 1.34/1.56 MARK(U11(X1:S,X2:S)) -> MARK(X1:S) 1.34/1.56 MARK(U21(X1:S,X2:S,X3:S)) -> MARK(X1:S) 1.34/1.56 MARK(and(X1:S,X2:S)) -> A__AND(mark(X1:S),X2:S) 1.34/1.56 MARK(and(X1:S,X2:S)) -> MARK(X1:S) 1.34/1.56 MARK(isNat(X:S)) -> A__ISNAT(X:S) 1.34/1.56 MARK(plus(X1:S,X2:S)) -> A__PLUS(mark(X1:S),mark(X2:S)) 1.34/1.56 MARK(plus(X1:S,X2:S)) -> MARK(X1:S) 1.34/1.56 MARK(plus(X1:S,X2:S)) -> MARK(X2:S) 1.34/1.56 MARK(s(X:S)) -> MARK(X:S) 1.34/1.56 ->->-> Rules: 1.34/1.56 a__U11(tt,N:S) -> mark(N:S) 1.34/1.56 a__U11(X1:S,X2:S) -> U11(X1:S,X2:S) 1.34/1.56 a__U21(tt,M:S,N:S) -> s(a__plus(mark(N:S),mark(M:S))) 1.34/1.56 a__U21(X1:S,X2:S,X3:S) -> U21(X1:S,X2:S,X3:S) 1.34/1.56 a__and(tt,X:S) -> mark(X:S) 1.34/1.56 a__and(X1:S,X2:S) -> and(X1:S,X2:S) 1.34/1.56 a__isNat(0) -> tt 1.34/1.56 a__isNat(plus(V1:S,V2:S)) -> a__and(a__isNat(V1:S),isNat(V2:S)) 1.34/1.56 a__isNat(s(V1:S)) -> a__isNat(V1:S) 1.34/1.56 a__isNat(X:S) -> isNat(X:S) 1.34/1.56 a__plus(N:S,0) -> a__U11(a__isNat(N:S),N:S) 1.34/1.56 a__plus(N:S,s(M:S)) -> a__U21(a__and(a__isNat(M:S),isNat(N:S)),M:S,N:S) 1.34/1.56 a__plus(X1:S,X2:S) -> plus(X1:S,X2:S) 1.34/1.56 mark(0) -> 0 1.34/1.56 mark(U11(X1:S,X2:S)) -> a__U11(mark(X1:S),X2:S) 1.34/1.56 mark(U21(X1:S,X2:S,X3:S)) -> a__U21(mark(X1:S),X2:S,X3:S) 1.34/1.56 mark(and(X1:S,X2:S)) -> a__and(mark(X1:S),X2:S) 1.34/1.56 mark(isNat(X:S)) -> a__isNat(X:S) 1.34/1.56 mark(plus(X1:S,X2:S)) -> a__plus(mark(X1:S),mark(X2:S)) 1.34/1.56 mark(s(X:S)) -> s(mark(X:S)) 1.34/1.56 mark(tt) -> tt 1.34/1.56 1.34/1.56 Problem 1: 1.34/1.56 1.34/1.56 Reduction Pairs Processor: 1.34/1.56 -> Pairs: 1.34/1.56 A__AND(tt,X:S) -> MARK(X:S) 1.34/1.56 A__ISNAT(plus(V1:S,V2:S)) -> A__AND(a__isNat(V1:S),isNat(V2:S)) 1.34/1.56 A__ISNAT(plus(V1:S,V2:S)) -> A__ISNAT(V1:S) 1.34/1.56 A__ISNAT(s(V1:S)) -> A__ISNAT(V1:S) 1.34/1.56 A__PLUS(N:S,s(M:S)) -> A__AND(a__isNat(M:S),isNat(N:S)) 1.34/1.56 A__PLUS(N:S,s(M:S)) -> A__ISNAT(M:S) 1.34/1.56 MARK(U11(X1:S,X2:S)) -> MARK(X1:S) 1.34/1.56 MARK(U21(X1:S,X2:S,X3:S)) -> MARK(X1:S) 1.34/1.56 MARK(and(X1:S,X2:S)) -> A__AND(mark(X1:S),X2:S) 1.34/1.56 MARK(and(X1:S,X2:S)) -> MARK(X1:S) 1.34/1.56 MARK(isNat(X:S)) -> A__ISNAT(X:S) 1.34/1.56 MARK(plus(X1:S,X2:S)) -> A__PLUS(mark(X1:S),mark(X2:S)) 1.34/1.56 MARK(plus(X1:S,X2:S)) -> MARK(X1:S) 1.34/1.56 MARK(plus(X1:S,X2:S)) -> MARK(X2:S) 1.34/1.56 MARK(s(X:S)) -> MARK(X:S) 1.34/1.56 -> Rules: 1.34/1.56 a__U11(tt,N:S) -> mark(N:S) 1.34/1.56 a__U11(X1:S,X2:S) -> U11(X1:S,X2:S) 1.34/1.56 a__U21(tt,M:S,N:S) -> s(a__plus(mark(N:S),mark(M:S))) 1.34/1.56 a__U21(X1:S,X2:S,X3:S) -> U21(X1:S,X2:S,X3:S) 1.34/1.56 a__and(tt,X:S) -> mark(X:S) 1.34/1.56 a__and(X1:S,X2:S) -> and(X1:S,X2:S) 1.34/1.56 a__isNat(0) -> tt 1.34/1.56 a__isNat(plus(V1:S,V2:S)) -> a__and(a__isNat(V1:S),isNat(V2:S)) 1.34/1.56 a__isNat(s(V1:S)) -> a__isNat(V1:S) 1.34/1.56 a__isNat(X:S) -> isNat(X:S) 1.34/1.56 a__plus(N:S,0) -> a__U11(a__isNat(N:S),N:S) 1.34/1.56 a__plus(N:S,s(M:S)) -> a__U21(a__and(a__isNat(M:S),isNat(N:S)),M:S,N:S) 1.34/1.56 a__plus(X1:S,X2:S) -> plus(X1:S,X2:S) 1.34/1.56 mark(0) -> 0 1.34/1.56 mark(U11(X1:S,X2:S)) -> a__U11(mark(X1:S),X2:S) 1.34/1.56 mark(U21(X1:S,X2:S,X3:S)) -> a__U21(mark(X1:S),X2:S,X3:S) 1.34/1.56 mark(and(X1:S,X2:S)) -> a__and(mark(X1:S),X2:S) 1.34/1.56 mark(isNat(X:S)) -> a__isNat(X:S) 1.34/1.56 mark(plus(X1:S,X2:S)) -> a__plus(mark(X1:S),mark(X2:S)) 1.34/1.56 mark(s(X:S)) -> s(mark(X:S)) 1.34/1.56 mark(tt) -> tt 1.34/1.56 -> Usable rules: 1.34/1.56 a__U11(tt,N:S) -> mark(N:S) 1.34/1.56 a__U11(X1:S,X2:S) -> U11(X1:S,X2:S) 1.34/1.56 a__U21(tt,M:S,N:S) -> s(a__plus(mark(N:S),mark(M:S))) 1.34/1.56 a__U21(X1:S,X2:S,X3:S) -> U21(X1:S,X2:S,X3:S) 1.34/1.56 a__and(tt,X:S) -> mark(X:S) 1.34/1.56 a__and(X1:S,X2:S) -> and(X1:S,X2:S) 1.34/1.56 a__isNat(0) -> tt 1.34/1.56 a__isNat(plus(V1:S,V2:S)) -> a__and(a__isNat(V1:S),isNat(V2:S)) 1.34/1.56 a__isNat(s(V1:S)) -> a__isNat(V1:S) 1.34/1.56 a__isNat(X:S) -> isNat(X:S) 1.34/1.56 a__plus(N:S,0) -> a__U11(a__isNat(N:S),N:S) 1.34/1.56 a__plus(N:S,s(M:S)) -> a__U21(a__and(a__isNat(M:S),isNat(N:S)),M:S,N:S) 1.34/1.56 a__plus(X1:S,X2:S) -> plus(X1:S,X2:S) 1.34/1.56 mark(0) -> 0 1.34/1.56 mark(U11(X1:S,X2:S)) -> a__U11(mark(X1:S),X2:S) 1.34/1.56 mark(U21(X1:S,X2:S,X3:S)) -> a__U21(mark(X1:S),X2:S,X3:S) 1.34/1.56 mark(and(X1:S,X2:S)) -> a__and(mark(X1:S),X2:S) 1.34/1.56 mark(isNat(X:S)) -> a__isNat(X:S) 1.34/1.56 mark(plus(X1:S,X2:S)) -> a__plus(mark(X1:S),mark(X2:S)) 1.34/1.56 mark(s(X:S)) -> s(mark(X:S)) 1.34/1.56 mark(tt) -> tt 1.34/1.56 ->Interpretation type: 1.34/1.56 Linear 1.34/1.56 ->Coefficients: 1.34/1.56 Natural Numbers 1.34/1.56 ->Dimension: 1.34/1.56 1 1.34/1.56 ->Bound: 1.34/1.56 2 1.34/1.56 ->Interpretation: 1.34/1.56 1.34/1.56 [a__U11](X1,X2) = 2.X1 + 2.X2 + 2 1.34/1.56 [a__U21](X1,X2,X3) = 2.X1 + 2.X2 + 2.X3 + 2 1.34/1.56 [a__and](X1,X2) = X1 + 2.X2 1.34/1.56 [a__isNat](X) = 0 1.34/1.56 [a__plus](X1,X2) = 2.X1 + 2.X2 + 1 1.34/1.56 [mark](X) = X 1.34/1.56 [0] = 1 1.34/1.56 [U11](X1,X2) = 2.X1 + 2.X2 + 2 1.34/1.56 [U21](X1,X2,X3) = 2.X1 + 2.X2 + 2.X3 + 2 1.34/1.56 [and](X1,X2) = X1 + 2.X2 1.34/1.56 [fSNonEmpty] = 0 1.34/1.56 [isNat](X) = 0 1.34/1.56 [plus](X1,X2) = 2.X1 + 2.X2 + 1 1.34/1.56 [s](X) = X + 1 1.34/1.56 [tt] = 0 1.34/1.56 [A__U11](X1,X2) = 0 1.34/1.56 [A__U21](X1,X2,X3) = 0 1.34/1.56 [A__AND](X1,X2) = X1 + 2.X2 + 2 1.34/1.56 [A__ISNAT](X) = 2 1.34/1.56 [A__PLUS](X1,X2) = X2 + 2 1.34/1.56 [MARK](X) = 2.X + 2 1.34/1.56 1.34/1.56 Problem 1: 1.34/1.56 1.34/1.56 SCC Processor: 1.34/1.56 -> Pairs: 1.34/1.56 A__AND(tt,X:S) -> MARK(X:S) 1.34/1.56 A__ISNAT(plus(V1:S,V2:S)) -> A__AND(a__isNat(V1:S),isNat(V2:S)) 1.34/1.56 A__ISNAT(plus(V1:S,V2:S)) -> A__ISNAT(V1:S) 1.34/1.56 A__ISNAT(s(V1:S)) -> A__ISNAT(V1:S) 1.34/1.56 A__PLUS(N:S,s(M:S)) -> A__ISNAT(M:S) 1.34/1.56 MARK(U11(X1:S,X2:S)) -> MARK(X1:S) 1.34/1.56 MARK(U21(X1:S,X2:S,X3:S)) -> MARK(X1:S) 1.34/1.56 MARK(and(X1:S,X2:S)) -> A__AND(mark(X1:S),X2:S) 1.34/1.56 MARK(and(X1:S,X2:S)) -> MARK(X1:S) 1.34/1.56 MARK(isNat(X:S)) -> A__ISNAT(X:S) 1.34/1.56 MARK(plus(X1:S,X2:S)) -> A__PLUS(mark(X1:S),mark(X2:S)) 1.34/1.56 MARK(plus(X1:S,X2:S)) -> MARK(X1:S) 1.34/1.56 MARK(plus(X1:S,X2:S)) -> MARK(X2:S) 1.34/1.56 MARK(s(X:S)) -> MARK(X:S) 1.34/1.56 -> Rules: 1.34/1.56 a__U11(tt,N:S) -> mark(N:S) 1.34/1.56 a__U11(X1:S,X2:S) -> U11(X1:S,X2:S) 1.34/1.56 a__U21(tt,M:S,N:S) -> s(a__plus(mark(N:S),mark(M:S))) 1.34/1.56 a__U21(X1:S,X2:S,X3:S) -> U21(X1:S,X2:S,X3:S) 1.34/1.56 a__and(tt,X:S) -> mark(X:S) 1.34/1.56 a__and(X1:S,X2:S) -> and(X1:S,X2:S) 1.34/1.56 a__isNat(0) -> tt 1.34/1.56 a__isNat(plus(V1:S,V2:S)) -> a__and(a__isNat(V1:S),isNat(V2:S)) 1.34/1.56 a__isNat(s(V1:S)) -> a__isNat(V1:S) 1.34/1.56 a__isNat(X:S) -> isNat(X:S) 1.34/1.56 a__plus(N:S,0) -> a__U11(a__isNat(N:S),N:S) 1.34/1.56 a__plus(N:S,s(M:S)) -> a__U21(a__and(a__isNat(M:S),isNat(N:S)),M:S,N:S) 1.34/1.56 a__plus(X1:S,X2:S) -> plus(X1:S,X2:S) 1.34/1.56 mark(0) -> 0 1.34/1.56 mark(U11(X1:S,X2:S)) -> a__U11(mark(X1:S),X2:S) 1.34/1.56 mark(U21(X1:S,X2:S,X3:S)) -> a__U21(mark(X1:S),X2:S,X3:S) 1.34/1.56 mark(and(X1:S,X2:S)) -> a__and(mark(X1:S),X2:S) 1.34/1.56 mark(isNat(X:S)) -> a__isNat(X:S) 1.34/1.56 mark(plus(X1:S,X2:S)) -> a__plus(mark(X1:S),mark(X2:S)) 1.34/1.56 mark(s(X:S)) -> s(mark(X:S)) 1.34/1.56 mark(tt) -> tt 1.34/1.56 ->Strongly Connected Components: 1.34/1.56 ->->Cycle: 1.34/1.56 ->->-> Pairs: 1.34/1.56 A__AND(tt,X:S) -> MARK(X:S) 1.34/1.56 A__ISNAT(plus(V1:S,V2:S)) -> A__AND(a__isNat(V1:S),isNat(V2:S)) 1.34/1.56 A__ISNAT(plus(V1:S,V2:S)) -> A__ISNAT(V1:S) 1.34/1.56 A__ISNAT(s(V1:S)) -> A__ISNAT(V1:S) 1.34/1.56 A__PLUS(N:S,s(M:S)) -> A__ISNAT(M:S) 1.34/1.56 MARK(U11(X1:S,X2:S)) -> MARK(X1:S) 1.34/1.56 MARK(U21(X1:S,X2:S,X3:S)) -> MARK(X1:S) 1.34/1.56 MARK(and(X1:S,X2:S)) -> A__AND(mark(X1:S),X2:S) 1.34/1.56 MARK(and(X1:S,X2:S)) -> MARK(X1:S) 1.34/1.56 MARK(isNat(X:S)) -> A__ISNAT(X:S) 1.34/1.56 MARK(plus(X1:S,X2:S)) -> A__PLUS(mark(X1:S),mark(X2:S)) 1.34/1.56 MARK(plus(X1:S,X2:S)) -> MARK(X1:S) 1.34/1.56 MARK(plus(X1:S,X2:S)) -> MARK(X2:S) 1.34/1.56 MARK(s(X:S)) -> MARK(X:S) 1.34/1.56 ->->-> Rules: 1.34/1.56 a__U11(tt,N:S) -> mark(N:S) 1.34/1.56 a__U11(X1:S,X2:S) -> U11(X1:S,X2:S) 1.34/1.56 a__U21(tt,M:S,N:S) -> s(a__plus(mark(N:S),mark(M:S))) 1.34/1.56 a__U21(X1:S,X2:S,X3:S) -> U21(X1:S,X2:S,X3:S) 1.34/1.56 a__and(tt,X:S) -> mark(X:S) 1.34/1.56 a__and(X1:S,X2:S) -> and(X1:S,X2:S) 1.34/1.56 a__isNat(0) -> tt 1.34/1.56 a__isNat(plus(V1:S,V2:S)) -> a__and(a__isNat(V1:S),isNat(V2:S)) 1.34/1.56 a__isNat(s(V1:S)) -> a__isNat(V1:S) 1.34/1.56 a__isNat(X:S) -> isNat(X:S) 1.34/1.56 a__plus(N:S,0) -> a__U11(a__isNat(N:S),N:S) 1.34/1.56 a__plus(N:S,s(M:S)) -> a__U21(a__and(a__isNat(M:S),isNat(N:S)),M:S,N:S) 1.34/1.56 a__plus(X1:S,X2:S) -> plus(X1:S,X2:S) 1.34/1.56 mark(0) -> 0 1.34/1.56 mark(U11(X1:S,X2:S)) -> a__U11(mark(X1:S),X2:S) 1.34/1.56 mark(U21(X1:S,X2:S,X3:S)) -> a__U21(mark(X1:S),X2:S,X3:S) 1.34/1.56 mark(and(X1:S,X2:S)) -> a__and(mark(X1:S),X2:S) 1.34/1.56 mark(isNat(X:S)) -> a__isNat(X:S) 1.34/1.56 mark(plus(X1:S,X2:S)) -> a__plus(mark(X1:S),mark(X2:S)) 1.34/1.56 mark(s(X:S)) -> s(mark(X:S)) 1.34/1.56 mark(tt) -> tt 1.34/1.56 1.34/1.56 Problem 1: 1.34/1.56 1.34/1.56 Reduction Pairs Processor: 1.34/1.56 -> Pairs: 1.34/1.56 A__AND(tt,X:S) -> MARK(X:S) 1.34/1.56 A__ISNAT(plus(V1:S,V2:S)) -> A__AND(a__isNat(V1:S),isNat(V2:S)) 1.34/1.56 A__ISNAT(plus(V1:S,V2:S)) -> A__ISNAT(V1:S) 1.34/1.56 A__ISNAT(s(V1:S)) -> A__ISNAT(V1:S) 1.34/1.56 A__PLUS(N:S,s(M:S)) -> A__ISNAT(M:S) 1.34/1.56 MARK(U11(X1:S,X2:S)) -> MARK(X1:S) 1.34/1.56 MARK(U21(X1:S,X2:S,X3:S)) -> MARK(X1:S) 1.34/1.56 MARK(and(X1:S,X2:S)) -> A__AND(mark(X1:S),X2:S) 1.34/1.56 MARK(and(X1:S,X2:S)) -> MARK(X1:S) 1.34/1.56 MARK(isNat(X:S)) -> A__ISNAT(X:S) 1.34/1.56 MARK(plus(X1:S,X2:S)) -> A__PLUS(mark(X1:S),mark(X2:S)) 1.34/1.56 MARK(plus(X1:S,X2:S)) -> MARK(X1:S) 1.34/1.56 MARK(plus(X1:S,X2:S)) -> MARK(X2:S) 1.34/1.56 MARK(s(X:S)) -> MARK(X:S) 1.34/1.56 -> Rules: 1.34/1.56 a__U11(tt,N:S) -> mark(N:S) 1.34/1.56 a__U11(X1:S,X2:S) -> U11(X1:S,X2:S) 1.34/1.56 a__U21(tt,M:S,N:S) -> s(a__plus(mark(N:S),mark(M:S))) 1.34/1.56 a__U21(X1:S,X2:S,X3:S) -> U21(X1:S,X2:S,X3:S) 1.34/1.56 a__and(tt,X:S) -> mark(X:S) 1.34/1.56 a__and(X1:S,X2:S) -> and(X1:S,X2:S) 1.34/1.56 a__isNat(0) -> tt 1.34/1.56 a__isNat(plus(V1:S,V2:S)) -> a__and(a__isNat(V1:S),isNat(V2:S)) 1.34/1.56 a__isNat(s(V1:S)) -> a__isNat(V1:S) 1.34/1.56 a__isNat(X:S) -> isNat(X:S) 1.34/1.56 a__plus(N:S,0) -> a__U11(a__isNat(N:S),N:S) 1.34/1.56 a__plus(N:S,s(M:S)) -> a__U21(a__and(a__isNat(M:S),isNat(N:S)),M:S,N:S) 1.34/1.56 a__plus(X1:S,X2:S) -> plus(X1:S,X2:S) 1.34/1.56 mark(0) -> 0 1.34/1.56 mark(U11(X1:S,X2:S)) -> a__U11(mark(X1:S),X2:S) 1.34/1.56 mark(U21(X1:S,X2:S,X3:S)) -> a__U21(mark(X1:S),X2:S,X3:S) 1.34/1.56 mark(and(X1:S,X2:S)) -> a__and(mark(X1:S),X2:S) 1.34/1.56 mark(isNat(X:S)) -> a__isNat(X:S) 1.34/1.56 mark(plus(X1:S,X2:S)) -> a__plus(mark(X1:S),mark(X2:S)) 1.34/1.56 mark(s(X:S)) -> s(mark(X:S)) 1.34/1.56 mark(tt) -> tt 1.34/1.56 -> Usable rules: 1.34/1.56 a__U11(tt,N:S) -> mark(N:S) 1.34/1.56 a__U11(X1:S,X2:S) -> U11(X1:S,X2:S) 1.34/1.56 a__U21(tt,M:S,N:S) -> s(a__plus(mark(N:S),mark(M:S))) 1.34/1.56 a__U21(X1:S,X2:S,X3:S) -> U21(X1:S,X2:S,X3:S) 1.34/1.56 a__and(tt,X:S) -> mark(X:S) 1.34/1.56 a__and(X1:S,X2:S) -> and(X1:S,X2:S) 1.34/1.56 a__isNat(0) -> tt 1.34/1.56 a__isNat(plus(V1:S,V2:S)) -> a__and(a__isNat(V1:S),isNat(V2:S)) 1.34/1.56 a__isNat(s(V1:S)) -> a__isNat(V1:S) 1.34/1.56 a__isNat(X:S) -> isNat(X:S) 1.34/1.56 a__plus(N:S,0) -> a__U11(a__isNat(N:S),N:S) 1.34/1.56 a__plus(N:S,s(M:S)) -> a__U21(a__and(a__isNat(M:S),isNat(N:S)),M:S,N:S) 1.34/1.56 a__plus(X1:S,X2:S) -> plus(X1:S,X2:S) 1.34/1.56 mark(0) -> 0 1.34/1.56 mark(U11(X1:S,X2:S)) -> a__U11(mark(X1:S),X2:S) 1.34/1.56 mark(U21(X1:S,X2:S,X3:S)) -> a__U21(mark(X1:S),X2:S,X3:S) 1.34/1.56 mark(and(X1:S,X2:S)) -> a__and(mark(X1:S),X2:S) 1.34/1.56 mark(isNat(X:S)) -> a__isNat(X:S) 1.34/1.56 mark(plus(X1:S,X2:S)) -> a__plus(mark(X1:S),mark(X2:S)) 1.34/1.56 mark(s(X:S)) -> s(mark(X:S)) 1.34/1.56 mark(tt) -> tt 1.34/1.56 ->Interpretation type: 1.34/1.56 Linear 1.34/1.56 ->Coefficients: 1.34/1.56 Natural Numbers 1.34/1.56 ->Dimension: 1.34/1.56 1 1.34/1.56 ->Bound: 1.34/1.56 2 1.34/1.56 ->Interpretation: 1.34/1.56 1.34/1.56 [a__U11](X1,X2) = X1 + 2.X2 + 1 1.34/1.56 [a__U21](X1,X2,X3) = 2.X1 + 2.X2 + 2.X3 + 2 1.34/1.56 [a__and](X1,X2) = X1 + X2 1.34/1.56 [a__isNat](X) = 0 1.34/1.56 [a__plus](X1,X2) = 2.X1 + 2.X2 + 1 1.34/1.56 [mark](X) = X 1.34/1.56 [0] = 2 1.34/1.56 [U11](X1,X2) = X1 + 2.X2 + 1 1.34/1.56 [U21](X1,X2,X3) = 2.X1 + 2.X2 + 2.X3 + 2 1.34/1.56 [and](X1,X2) = X1 + X2 1.34/1.56 [fSNonEmpty] = 0 1.34/1.56 [isNat](X) = 0 1.34/1.56 [plus](X1,X2) = 2.X1 + 2.X2 + 1 1.34/1.56 [s](X) = X + 1 1.34/1.56 [tt] = 0 1.34/1.56 [A__U11](X1,X2) = 0 1.34/1.56 [A__U21](X1,X2,X3) = 0 1.34/1.56 [A__AND](X1,X2) = 2.X2 1.34/1.56 [A__ISNAT](X) = 0 1.34/1.56 [A__PLUS](X1,X2) = 2.X2 + 2 1.34/1.56 [MARK](X) = 2.X 1.34/1.56 1.34/1.56 Problem 1: 1.34/1.56 1.34/1.56 SCC Processor: 1.34/1.56 -> Pairs: 1.34/1.56 A__AND(tt,X:S) -> MARK(X:S) 1.34/1.56 A__ISNAT(plus(V1:S,V2:S)) -> A__AND(a__isNat(V1:S),isNat(V2:S)) 1.34/1.56 A__ISNAT(plus(V1:S,V2:S)) -> A__ISNAT(V1:S) 1.34/1.56 A__ISNAT(s(V1:S)) -> A__ISNAT(V1:S) 1.34/1.56 MARK(U11(X1:S,X2:S)) -> MARK(X1:S) 1.34/1.56 MARK(U21(X1:S,X2:S,X3:S)) -> MARK(X1:S) 1.34/1.56 MARK(and(X1:S,X2:S)) -> A__AND(mark(X1:S),X2:S) 1.34/1.56 MARK(and(X1:S,X2:S)) -> MARK(X1:S) 1.34/1.56 MARK(isNat(X:S)) -> A__ISNAT(X:S) 1.34/1.56 MARK(plus(X1:S,X2:S)) -> A__PLUS(mark(X1:S),mark(X2:S)) 1.34/1.56 MARK(plus(X1:S,X2:S)) -> MARK(X1:S) 1.34/1.56 MARK(plus(X1:S,X2:S)) -> MARK(X2:S) 1.34/1.56 MARK(s(X:S)) -> MARK(X:S) 1.34/1.56 -> Rules: 1.34/1.56 a__U11(tt,N:S) -> mark(N:S) 1.34/1.56 a__U11(X1:S,X2:S) -> U11(X1:S,X2:S) 1.34/1.56 a__U21(tt,M:S,N:S) -> s(a__plus(mark(N:S),mark(M:S))) 1.34/1.56 a__U21(X1:S,X2:S,X3:S) -> U21(X1:S,X2:S,X3:S) 1.34/1.56 a__and(tt,X:S) -> mark(X:S) 1.34/1.56 a__and(X1:S,X2:S) -> and(X1:S,X2:S) 1.34/1.56 a__isNat(0) -> tt 1.34/1.56 a__isNat(plus(V1:S,V2:S)) -> a__and(a__isNat(V1:S),isNat(V2:S)) 1.34/1.56 a__isNat(s(V1:S)) -> a__isNat(V1:S) 1.34/1.56 a__isNat(X:S) -> isNat(X:S) 1.34/1.56 a__plus(N:S,0) -> a__U11(a__isNat(N:S),N:S) 1.34/1.56 a__plus(N:S,s(M:S)) -> a__U21(a__and(a__isNat(M:S),isNat(N:S)),M:S,N:S) 1.34/1.56 a__plus(X1:S,X2:S) -> plus(X1:S,X2:S) 1.34/1.56 mark(0) -> 0 1.34/1.56 mark(U11(X1:S,X2:S)) -> a__U11(mark(X1:S),X2:S) 1.34/1.56 mark(U21(X1:S,X2:S,X3:S)) -> a__U21(mark(X1:S),X2:S,X3:S) 1.34/1.56 mark(and(X1:S,X2:S)) -> a__and(mark(X1:S),X2:S) 1.34/1.56 mark(isNat(X:S)) -> a__isNat(X:S) 1.34/1.56 mark(plus(X1:S,X2:S)) -> a__plus(mark(X1:S),mark(X2:S)) 1.34/1.56 mark(s(X:S)) -> s(mark(X:S)) 1.34/1.56 mark(tt) -> tt 1.34/1.56 ->Strongly Connected Components: 1.34/1.56 ->->Cycle: 1.34/1.56 ->->-> Pairs: 1.34/1.56 A__AND(tt,X:S) -> MARK(X:S) 1.34/1.56 A__ISNAT(plus(V1:S,V2:S)) -> A__AND(a__isNat(V1:S),isNat(V2:S)) 1.34/1.56 A__ISNAT(plus(V1:S,V2:S)) -> A__ISNAT(V1:S) 1.34/1.56 A__ISNAT(s(V1:S)) -> A__ISNAT(V1:S) 1.34/1.56 MARK(U11(X1:S,X2:S)) -> MARK(X1:S) 1.34/1.56 MARK(U21(X1:S,X2:S,X3:S)) -> MARK(X1:S) 1.34/1.56 MARK(and(X1:S,X2:S)) -> A__AND(mark(X1:S),X2:S) 1.34/1.56 MARK(and(X1:S,X2:S)) -> MARK(X1:S) 1.34/1.56 MARK(isNat(X:S)) -> A__ISNAT(X:S) 1.34/1.56 MARK(plus(X1:S,X2:S)) -> MARK(X1:S) 1.34/1.56 MARK(plus(X1:S,X2:S)) -> MARK(X2:S) 1.34/1.56 MARK(s(X:S)) -> MARK(X:S) 1.34/1.56 ->->-> Rules: 1.34/1.56 a__U11(tt,N:S) -> mark(N:S) 1.34/1.56 a__U11(X1:S,X2:S) -> U11(X1:S,X2:S) 1.34/1.56 a__U21(tt,M:S,N:S) -> s(a__plus(mark(N:S),mark(M:S))) 1.34/1.56 a__U21(X1:S,X2:S,X3:S) -> U21(X1:S,X2:S,X3:S) 1.34/1.56 a__and(tt,X:S) -> mark(X:S) 1.34/1.56 a__and(X1:S,X2:S) -> and(X1:S,X2:S) 1.34/1.56 a__isNat(0) -> tt 1.34/1.56 a__isNat(plus(V1:S,V2:S)) -> a__and(a__isNat(V1:S),isNat(V2:S)) 1.34/1.56 a__isNat(s(V1:S)) -> a__isNat(V1:S) 1.34/1.56 a__isNat(X:S) -> isNat(X:S) 1.34/1.56 a__plus(N:S,0) -> a__U11(a__isNat(N:S),N:S) 1.34/1.56 a__plus(N:S,s(M:S)) -> a__U21(a__and(a__isNat(M:S),isNat(N:S)),M:S,N:S) 1.34/1.56 a__plus(X1:S,X2:S) -> plus(X1:S,X2:S) 1.34/1.56 mark(0) -> 0 1.34/1.56 mark(U11(X1:S,X2:S)) -> a__U11(mark(X1:S),X2:S) 1.34/1.56 mark(U21(X1:S,X2:S,X3:S)) -> a__U21(mark(X1:S),X2:S,X3:S) 1.34/1.56 mark(and(X1:S,X2:S)) -> a__and(mark(X1:S),X2:S) 1.34/1.56 mark(isNat(X:S)) -> a__isNat(X:S) 1.34/1.56 mark(plus(X1:S,X2:S)) -> a__plus(mark(X1:S),mark(X2:S)) 1.34/1.56 mark(s(X:S)) -> s(mark(X:S)) 1.34/1.56 mark(tt) -> tt 1.34/1.56 1.34/1.56 Problem 1: 1.34/1.56 1.34/1.56 Reduction Pairs Processor: 1.34/1.56 -> Pairs: 1.34/1.56 A__AND(tt,X:S) -> MARK(X:S) 1.34/1.56 A__ISNAT(plus(V1:S,V2:S)) -> A__AND(a__isNat(V1:S),isNat(V2:S)) 1.34/1.56 A__ISNAT(plus(V1:S,V2:S)) -> A__ISNAT(V1:S) 1.34/1.56 A__ISNAT(s(V1:S)) -> A__ISNAT(V1:S) 1.34/1.56 MARK(U11(X1:S,X2:S)) -> MARK(X1:S) 1.34/1.56 MARK(U21(X1:S,X2:S,X3:S)) -> MARK(X1:S) 1.34/1.56 MARK(and(X1:S,X2:S)) -> A__AND(mark(X1:S),X2:S) 1.34/1.56 MARK(and(X1:S,X2:S)) -> MARK(X1:S) 1.34/1.56 MARK(isNat(X:S)) -> A__ISNAT(X:S) 1.34/1.56 MARK(plus(X1:S,X2:S)) -> MARK(X1:S) 1.34/1.56 MARK(plus(X1:S,X2:S)) -> MARK(X2:S) 1.34/1.56 MARK(s(X:S)) -> MARK(X:S) 1.34/1.56 -> Rules: 1.34/1.56 a__U11(tt,N:S) -> mark(N:S) 1.34/1.56 a__U11(X1:S,X2:S) -> U11(X1:S,X2:S) 1.34/1.56 a__U21(tt,M:S,N:S) -> s(a__plus(mark(N:S),mark(M:S))) 1.34/1.56 a__U21(X1:S,X2:S,X3:S) -> U21(X1:S,X2:S,X3:S) 1.34/1.56 a__and(tt,X:S) -> mark(X:S) 1.34/1.56 a__and(X1:S,X2:S) -> and(X1:S,X2:S) 1.34/1.56 a__isNat(0) -> tt 1.34/1.56 a__isNat(plus(V1:S,V2:S)) -> a__and(a__isNat(V1:S),isNat(V2:S)) 1.34/1.56 a__isNat(s(V1:S)) -> a__isNat(V1:S) 1.34/1.56 a__isNat(X:S) -> isNat(X:S) 1.34/1.56 a__plus(N:S,0) -> a__U11(a__isNat(N:S),N:S) 1.34/1.56 a__plus(N:S,s(M:S)) -> a__U21(a__and(a__isNat(M:S),isNat(N:S)),M:S,N:S) 1.34/1.56 a__plus(X1:S,X2:S) -> plus(X1:S,X2:S) 1.34/1.56 mark(0) -> 0 1.34/1.56 mark(U11(X1:S,X2:S)) -> a__U11(mark(X1:S),X2:S) 1.34/1.56 mark(U21(X1:S,X2:S,X3:S)) -> a__U21(mark(X1:S),X2:S,X3:S) 1.34/1.56 mark(and(X1:S,X2:S)) -> a__and(mark(X1:S),X2:S) 1.34/1.56 mark(isNat(X:S)) -> a__isNat(X:S) 1.34/1.56 mark(plus(X1:S,X2:S)) -> a__plus(mark(X1:S),mark(X2:S)) 1.34/1.56 mark(s(X:S)) -> s(mark(X:S)) 1.34/1.56 mark(tt) -> tt 1.34/1.56 -> Usable rules: 1.34/1.56 a__U11(tt,N:S) -> mark(N:S) 1.34/1.56 a__U11(X1:S,X2:S) -> U11(X1:S,X2:S) 1.34/1.56 a__U21(tt,M:S,N:S) -> s(a__plus(mark(N:S),mark(M:S))) 1.34/1.56 a__U21(X1:S,X2:S,X3:S) -> U21(X1:S,X2:S,X3:S) 1.34/1.56 a__and(tt,X:S) -> mark(X:S) 1.34/1.56 a__and(X1:S,X2:S) -> and(X1:S,X2:S) 1.34/1.56 a__isNat(0) -> tt 1.34/1.56 a__isNat(plus(V1:S,V2:S)) -> a__and(a__isNat(V1:S),isNat(V2:S)) 1.34/1.56 a__isNat(s(V1:S)) -> a__isNat(V1:S) 1.34/1.56 a__isNat(X:S) -> isNat(X:S) 1.34/1.56 a__plus(N:S,0) -> a__U11(a__isNat(N:S),N:S) 1.34/1.56 a__plus(N:S,s(M:S)) -> a__U21(a__and(a__isNat(M:S),isNat(N:S)),M:S,N:S) 1.34/1.56 a__plus(X1:S,X2:S) -> plus(X1:S,X2:S) 1.34/1.56 mark(0) -> 0 1.34/1.56 mark(U11(X1:S,X2:S)) -> a__U11(mark(X1:S),X2:S) 1.34/1.56 mark(U21(X1:S,X2:S,X3:S)) -> a__U21(mark(X1:S),X2:S,X3:S) 1.34/1.56 mark(and(X1:S,X2:S)) -> a__and(mark(X1:S),X2:S) 1.34/1.56 mark(isNat(X:S)) -> a__isNat(X:S) 1.34/1.56 mark(plus(X1:S,X2:S)) -> a__plus(mark(X1:S),mark(X2:S)) 1.34/1.56 mark(s(X:S)) -> s(mark(X:S)) 1.34/1.56 mark(tt) -> tt 1.34/1.56 ->Interpretation type: 1.34/1.56 Linear 1.34/1.56 ->Coefficients: 1.34/1.56 Natural Numbers 1.34/1.56 ->Dimension: 1.34/1.56 1 1.34/1.56 ->Bound: 1.34/1.56 2 1.34/1.56 ->Interpretation: 1.34/1.56 1.34/1.56 [a__U11](X1,X2) = 2.X1 + X2 + 2 1.34/1.56 [a__U21](X1,X2,X3) = 2.X1 + 2.X2 + 2.X3 + 2 1.34/1.56 [a__and](X1,X2) = X1 + 2.X2 1.34/1.56 [a__isNat](X) = 0 1.34/1.56 [a__plus](X1,X2) = 2.X1 + 2.X2 + 2 1.34/1.56 [mark](X) = X 1.34/1.56 [0] = 2 1.34/1.56 [U11](X1,X2) = 2.X1 + X2 + 2 1.34/1.56 [U21](X1,X2,X3) = 2.X1 + 2.X2 + 2.X3 + 2 1.34/1.56 [and](X1,X2) = X1 + 2.X2 1.34/1.56 [fSNonEmpty] = 0 1.34/1.56 [isNat](X) = 0 1.34/1.56 [plus](X1,X2) = 2.X1 + 2.X2 + 2 1.34/1.56 [s](X) = X 1.34/1.56 [tt] = 0 1.34/1.56 [A__U11](X1,X2) = 0 1.34/1.56 [A__U21](X1,X2,X3) = 0 1.34/1.56 [A__AND](X1,X2) = 2.X1 + 2.X2 + 2 1.34/1.56 [A__ISNAT](X) = 2 1.34/1.56 [A__PLUS](X1,X2) = 0 1.34/1.56 [MARK](X) = 2.X + 2 1.34/1.56 1.34/1.56 Problem 1: 1.34/1.56 1.34/1.56 SCC Processor: 1.34/1.56 -> Pairs: 1.34/1.56 A__AND(tt,X:S) -> MARK(X:S) 1.34/1.56 A__ISNAT(plus(V1:S,V2:S)) -> A__AND(a__isNat(V1:S),isNat(V2:S)) 1.34/1.56 A__ISNAT(plus(V1:S,V2:S)) -> A__ISNAT(V1:S) 1.34/1.56 A__ISNAT(s(V1:S)) -> A__ISNAT(V1:S) 1.34/1.56 MARK(U21(X1:S,X2:S,X3:S)) -> MARK(X1:S) 1.34/1.56 MARK(and(X1:S,X2:S)) -> A__AND(mark(X1:S),X2:S) 1.34/1.56 MARK(and(X1:S,X2:S)) -> MARK(X1:S) 1.34/1.56 MARK(isNat(X:S)) -> A__ISNAT(X:S) 1.34/1.56 MARK(plus(X1:S,X2:S)) -> MARK(X1:S) 1.34/1.56 MARK(plus(X1:S,X2:S)) -> MARK(X2:S) 1.34/1.56 MARK(s(X:S)) -> MARK(X:S) 1.34/1.56 -> Rules: 1.34/1.56 a__U11(tt,N:S) -> mark(N:S) 1.34/1.56 a__U11(X1:S,X2:S) -> U11(X1:S,X2:S) 1.34/1.56 a__U21(tt,M:S,N:S) -> s(a__plus(mark(N:S),mark(M:S))) 1.34/1.56 a__U21(X1:S,X2:S,X3:S) -> U21(X1:S,X2:S,X3:S) 1.34/1.56 a__and(tt,X:S) -> mark(X:S) 1.34/1.56 a__and(X1:S,X2:S) -> and(X1:S,X2:S) 1.34/1.56 a__isNat(0) -> tt 1.34/1.56 a__isNat(plus(V1:S,V2:S)) -> a__and(a__isNat(V1:S),isNat(V2:S)) 1.34/1.56 a__isNat(s(V1:S)) -> a__isNat(V1:S) 1.34/1.56 a__isNat(X:S) -> isNat(X:S) 1.34/1.56 a__plus(N:S,0) -> a__U11(a__isNat(N:S),N:S) 1.34/1.56 a__plus(N:S,s(M:S)) -> a__U21(a__and(a__isNat(M:S),isNat(N:S)),M:S,N:S) 1.34/1.56 a__plus(X1:S,X2:S) -> plus(X1:S,X2:S) 1.34/1.56 mark(0) -> 0 1.34/1.56 mark(U11(X1:S,X2:S)) -> a__U11(mark(X1:S),X2:S) 1.34/1.56 mark(U21(X1:S,X2:S,X3:S)) -> a__U21(mark(X1:S),X2:S,X3:S) 1.34/1.56 mark(and(X1:S,X2:S)) -> a__and(mark(X1:S),X2:S) 1.34/1.56 mark(isNat(X:S)) -> a__isNat(X:S) 1.34/1.56 mark(plus(X1:S,X2:S)) -> a__plus(mark(X1:S),mark(X2:S)) 1.34/1.56 mark(s(X:S)) -> s(mark(X:S)) 1.34/1.56 mark(tt) -> tt 1.34/1.56 ->Strongly Connected Components: 1.34/1.56 ->->Cycle: 1.34/1.56 ->->-> Pairs: 1.34/1.56 A__AND(tt,X:S) -> MARK(X:S) 1.34/1.56 A__ISNAT(plus(V1:S,V2:S)) -> A__AND(a__isNat(V1:S),isNat(V2:S)) 1.34/1.56 A__ISNAT(plus(V1:S,V2:S)) -> A__ISNAT(V1:S) 1.34/1.56 A__ISNAT(s(V1:S)) -> A__ISNAT(V1:S) 1.34/1.56 MARK(U21(X1:S,X2:S,X3:S)) -> MARK(X1:S) 1.34/1.56 MARK(and(X1:S,X2:S)) -> A__AND(mark(X1:S),X2:S) 1.34/1.56 MARK(and(X1:S,X2:S)) -> MARK(X1:S) 1.34/1.56 MARK(isNat(X:S)) -> A__ISNAT(X:S) 1.34/1.56 MARK(plus(X1:S,X2:S)) -> MARK(X1:S) 1.34/1.56 MARK(plus(X1:S,X2:S)) -> MARK(X2:S) 1.34/1.56 MARK(s(X:S)) -> MARK(X:S) 1.34/1.56 ->->-> Rules: 1.34/1.56 a__U11(tt,N:S) -> mark(N:S) 1.34/1.56 a__U11(X1:S,X2:S) -> U11(X1:S,X2:S) 1.34/1.56 a__U21(tt,M:S,N:S) -> s(a__plus(mark(N:S),mark(M:S))) 1.34/1.56 a__U21(X1:S,X2:S,X3:S) -> U21(X1:S,X2:S,X3:S) 1.34/1.56 a__and(tt,X:S) -> mark(X:S) 1.34/1.56 a__and(X1:S,X2:S) -> and(X1:S,X2:S) 1.34/1.56 a__isNat(0) -> tt 1.34/1.56 a__isNat(plus(V1:S,V2:S)) -> a__and(a__isNat(V1:S),isNat(V2:S)) 1.34/1.56 a__isNat(s(V1:S)) -> a__isNat(V1:S) 1.34/1.56 a__isNat(X:S) -> isNat(X:S) 1.34/1.56 a__plus(N:S,0) -> a__U11(a__isNat(N:S),N:S) 1.34/1.56 a__plus(N:S,s(M:S)) -> a__U21(a__and(a__isNat(M:S),isNat(N:S)),M:S,N:S) 1.34/1.56 a__plus(X1:S,X2:S) -> plus(X1:S,X2:S) 1.34/1.56 mark(0) -> 0 1.34/1.56 mark(U11(X1:S,X2:S)) -> a__U11(mark(X1:S),X2:S) 1.34/1.56 mark(U21(X1:S,X2:S,X3:S)) -> a__U21(mark(X1:S),X2:S,X3:S) 1.34/1.56 mark(and(X1:S,X2:S)) -> a__and(mark(X1:S),X2:S) 1.34/1.56 mark(isNat(X:S)) -> a__isNat(X:S) 1.34/1.56 mark(plus(X1:S,X2:S)) -> a__plus(mark(X1:S),mark(X2:S)) 1.34/1.56 mark(s(X:S)) -> s(mark(X:S)) 1.34/1.56 mark(tt) -> tt 1.34/1.56 1.34/1.56 Problem 1: 1.34/1.56 1.34/1.56 Reduction Pairs Processor: 1.34/1.56 -> Pairs: 1.34/1.56 A__AND(tt,X:S) -> MARK(X:S) 1.34/1.56 A__ISNAT(plus(V1:S,V2:S)) -> A__AND(a__isNat(V1:S),isNat(V2:S)) 1.34/1.56 A__ISNAT(plus(V1:S,V2:S)) -> A__ISNAT(V1:S) 1.34/1.56 A__ISNAT(s(V1:S)) -> A__ISNAT(V1:S) 1.34/1.56 MARK(U21(X1:S,X2:S,X3:S)) -> MARK(X1:S) 1.34/1.56 MARK(and(X1:S,X2:S)) -> A__AND(mark(X1:S),X2:S) 1.34/1.56 MARK(and(X1:S,X2:S)) -> MARK(X1:S) 1.34/1.56 MARK(isNat(X:S)) -> A__ISNAT(X:S) 1.34/1.56 MARK(plus(X1:S,X2:S)) -> MARK(X1:S) 1.34/1.56 MARK(plus(X1:S,X2:S)) -> MARK(X2:S) 1.34/1.56 MARK(s(X:S)) -> MARK(X:S) 1.34/1.56 -> Rules: 1.34/1.56 a__U11(tt,N:S) -> mark(N:S) 1.34/1.56 a__U11(X1:S,X2:S) -> U11(X1:S,X2:S) 1.34/1.56 a__U21(tt,M:S,N:S) -> s(a__plus(mark(N:S),mark(M:S))) 1.34/1.56 a__U21(X1:S,X2:S,X3:S) -> U21(X1:S,X2:S,X3:S) 1.34/1.56 a__and(tt,X:S) -> mark(X:S) 1.34/1.56 a__and(X1:S,X2:S) -> and(X1:S,X2:S) 1.34/1.56 a__isNat(0) -> tt 1.34/1.56 a__isNat(plus(V1:S,V2:S)) -> a__and(a__isNat(V1:S),isNat(V2:S)) 1.34/1.56 a__isNat(s(V1:S)) -> a__isNat(V1:S) 1.34/1.56 a__isNat(X:S) -> isNat(X:S) 1.34/1.56 a__plus(N:S,0) -> a__U11(a__isNat(N:S),N:S) 1.34/1.56 a__plus(N:S,s(M:S)) -> a__U21(a__and(a__isNat(M:S),isNat(N:S)),M:S,N:S) 1.34/1.56 a__plus(X1:S,X2:S) -> plus(X1:S,X2:S) 1.34/1.56 mark(0) -> 0 1.34/1.56 mark(U11(X1:S,X2:S)) -> a__U11(mark(X1:S),X2:S) 1.34/1.56 mark(U21(X1:S,X2:S,X3:S)) -> a__U21(mark(X1:S),X2:S,X3:S) 1.34/1.56 mark(and(X1:S,X2:S)) -> a__and(mark(X1:S),X2:S) 1.34/1.56 mark(isNat(X:S)) -> a__isNat(X:S) 1.34/1.56 mark(plus(X1:S,X2:S)) -> a__plus(mark(X1:S),mark(X2:S)) 1.34/1.56 mark(s(X:S)) -> s(mark(X:S)) 1.34/1.56 mark(tt) -> tt 1.34/1.56 -> Usable rules: 1.34/1.56 a__U11(tt,N:S) -> mark(N:S) 1.34/1.56 a__U11(X1:S,X2:S) -> U11(X1:S,X2:S) 1.34/1.56 a__U21(tt,M:S,N:S) -> s(a__plus(mark(N:S),mark(M:S))) 1.34/1.56 a__U21(X1:S,X2:S,X3:S) -> U21(X1:S,X2:S,X3:S) 1.34/1.56 a__and(tt,X:S) -> mark(X:S) 1.34/1.56 a__and(X1:S,X2:S) -> and(X1:S,X2:S) 1.34/1.56 a__isNat(0) -> tt 1.34/1.56 a__isNat(plus(V1:S,V2:S)) -> a__and(a__isNat(V1:S),isNat(V2:S)) 1.34/1.56 a__isNat(s(V1:S)) -> a__isNat(V1:S) 1.34/1.56 a__isNat(X:S) -> isNat(X:S) 1.34/1.56 a__plus(N:S,0) -> a__U11(a__isNat(N:S),N:S) 1.34/1.56 a__plus(N:S,s(M:S)) -> a__U21(a__and(a__isNat(M:S),isNat(N:S)),M:S,N:S) 1.34/1.56 a__plus(X1:S,X2:S) -> plus(X1:S,X2:S) 1.34/1.56 mark(0) -> 0 1.34/1.56 mark(U11(X1:S,X2:S)) -> a__U11(mark(X1:S),X2:S) 1.34/1.56 mark(U21(X1:S,X2:S,X3:S)) -> a__U21(mark(X1:S),X2:S,X3:S) 1.34/1.56 mark(and(X1:S,X2:S)) -> a__and(mark(X1:S),X2:S) 1.34/1.56 mark(isNat(X:S)) -> a__isNat(X:S) 1.34/1.56 mark(plus(X1:S,X2:S)) -> a__plus(mark(X1:S),mark(X2:S)) 1.34/1.56 mark(s(X:S)) -> s(mark(X:S)) 1.34/1.56 mark(tt) -> tt 1.34/1.56 ->Interpretation type: 1.34/1.56 Linear 1.34/1.56 ->Coefficients: 1.34/1.56 Natural Numbers 1.34/1.56 ->Dimension: 1.34/1.56 1 1.34/1.56 ->Bound: 1.34/1.56 2 1.34/1.56 ->Interpretation: 1.34/1.56 1.34/1.56 [a__U11](X1,X2) = 2.X1 + X2 1.34/1.56 [a__U21](X1,X2,X3) = 2.X1 + 2.X2 + 2.X3 + 2 1.34/1.56 [a__and](X1,X2) = 2.X1 + 2.X2 1.34/1.56 [a__isNat](X) = 0 1.34/1.56 [a__plus](X1,X2) = 2.X1 + 2.X2 1.34/1.56 [mark](X) = X 1.34/1.56 [0] = 2 1.34/1.56 [U11](X1,X2) = 2.X1 + X2 1.34/1.56 [U21](X1,X2,X3) = 2.X1 + 2.X2 + 2.X3 + 2 1.34/1.56 [and](X1,X2) = 2.X1 + 2.X2 1.34/1.56 [fSNonEmpty] = 0 1.34/1.56 [isNat](X) = 0 1.34/1.56 [plus](X1,X2) = 2.X1 + 2.X2 1.34/1.56 [s](X) = X + 2 1.34/1.56 [tt] = 0 1.34/1.56 [A__U11](X1,X2) = 0 1.34/1.56 [A__U21](X1,X2,X3) = 0 1.34/1.56 [A__AND](X1,X2) = 2.X2 1.34/1.56 [A__ISNAT](X) = 0 1.34/1.56 [A__PLUS](X1,X2) = 0 1.34/1.56 [MARK](X) = 2.X 1.34/1.56 1.34/1.56 Problem 1: 1.34/1.56 1.34/1.56 SCC Processor: 1.34/1.56 -> Pairs: 1.34/1.56 A__AND(tt,X:S) -> MARK(X:S) 1.34/1.56 A__ISNAT(plus(V1:S,V2:S)) -> A__AND(a__isNat(V1:S),isNat(V2:S)) 1.34/1.56 A__ISNAT(plus(V1:S,V2:S)) -> A__ISNAT(V1:S) 1.34/1.56 A__ISNAT(s(V1:S)) -> A__ISNAT(V1:S) 1.34/1.56 MARK(and(X1:S,X2:S)) -> A__AND(mark(X1:S),X2:S) 1.34/1.56 MARK(and(X1:S,X2:S)) -> MARK(X1:S) 1.34/1.56 MARK(isNat(X:S)) -> A__ISNAT(X:S) 1.34/1.56 MARK(plus(X1:S,X2:S)) -> MARK(X1:S) 1.34/1.56 MARK(plus(X1:S,X2:S)) -> MARK(X2:S) 1.34/1.56 MARK(s(X:S)) -> MARK(X:S) 1.34/1.56 -> Rules: 1.34/1.56 a__U11(tt,N:S) -> mark(N:S) 1.34/1.56 a__U11(X1:S,X2:S) -> U11(X1:S,X2:S) 1.34/1.56 a__U21(tt,M:S,N:S) -> s(a__plus(mark(N:S),mark(M:S))) 1.34/1.56 a__U21(X1:S,X2:S,X3:S) -> U21(X1:S,X2:S,X3:S) 1.34/1.56 a__and(tt,X:S) -> mark(X:S) 1.34/1.56 a__and(X1:S,X2:S) -> and(X1:S,X2:S) 1.34/1.56 a__isNat(0) -> tt 1.34/1.56 a__isNat(plus(V1:S,V2:S)) -> a__and(a__isNat(V1:S),isNat(V2:S)) 1.34/1.56 a__isNat(s(V1:S)) -> a__isNat(V1:S) 1.34/1.56 a__isNat(X:S) -> isNat(X:S) 1.34/1.56 a__plus(N:S,0) -> a__U11(a__isNat(N:S),N:S) 1.34/1.56 a__plus(N:S,s(M:S)) -> a__U21(a__and(a__isNat(M:S),isNat(N:S)),M:S,N:S) 1.34/1.56 a__plus(X1:S,X2:S) -> plus(X1:S,X2:S) 1.34/1.56 mark(0) -> 0 1.34/1.56 mark(U11(X1:S,X2:S)) -> a__U11(mark(X1:S),X2:S) 1.34/1.56 mark(U21(X1:S,X2:S,X3:S)) -> a__U21(mark(X1:S),X2:S,X3:S) 1.34/1.56 mark(and(X1:S,X2:S)) -> a__and(mark(X1:S),X2:S) 1.34/1.56 mark(isNat(X:S)) -> a__isNat(X:S) 1.34/1.56 mark(plus(X1:S,X2:S)) -> a__plus(mark(X1:S),mark(X2:S)) 1.34/1.56 mark(s(X:S)) -> s(mark(X:S)) 1.34/1.56 mark(tt) -> tt 1.34/1.56 ->Strongly Connected Components: 1.34/1.56 ->->Cycle: 1.34/1.56 ->->-> Pairs: 1.34/1.56 A__AND(tt,X:S) -> MARK(X:S) 1.34/1.56 A__ISNAT(plus(V1:S,V2:S)) -> A__AND(a__isNat(V1:S),isNat(V2:S)) 1.34/1.56 A__ISNAT(plus(V1:S,V2:S)) -> A__ISNAT(V1:S) 1.34/1.56 A__ISNAT(s(V1:S)) -> A__ISNAT(V1:S) 1.34/1.56 MARK(and(X1:S,X2:S)) -> A__AND(mark(X1:S),X2:S) 1.34/1.56 MARK(and(X1:S,X2:S)) -> MARK(X1:S) 1.34/1.56 MARK(isNat(X:S)) -> A__ISNAT(X:S) 1.34/1.56 MARK(plus(X1:S,X2:S)) -> MARK(X1:S) 1.34/1.56 MARK(plus(X1:S,X2:S)) -> MARK(X2:S) 1.34/1.56 MARK(s(X:S)) -> MARK(X:S) 1.34/1.56 ->->-> Rules: 1.34/1.56 a__U11(tt,N:S) -> mark(N:S) 1.34/1.56 a__U11(X1:S,X2:S) -> U11(X1:S,X2:S) 1.34/1.56 a__U21(tt,M:S,N:S) -> s(a__plus(mark(N:S),mark(M:S))) 1.34/1.56 a__U21(X1:S,X2:S,X3:S) -> U21(X1:S,X2:S,X3:S) 1.34/1.56 a__and(tt,X:S) -> mark(X:S) 1.34/1.56 a__and(X1:S,X2:S) -> and(X1:S,X2:S) 1.34/1.56 a__isNat(0) -> tt 1.34/1.56 a__isNat(plus(V1:S,V2:S)) -> a__and(a__isNat(V1:S),isNat(V2:S)) 1.34/1.56 a__isNat(s(V1:S)) -> a__isNat(V1:S) 1.34/1.56 a__isNat(X:S) -> isNat(X:S) 1.34/1.56 a__plus(N:S,0) -> a__U11(a__isNat(N:S),N:S) 1.34/1.56 a__plus(N:S,s(M:S)) -> a__U21(a__and(a__isNat(M:S),isNat(N:S)),M:S,N:S) 1.34/1.56 a__plus(X1:S,X2:S) -> plus(X1:S,X2:S) 1.34/1.56 mark(0) -> 0 1.34/1.56 mark(U11(X1:S,X2:S)) -> a__U11(mark(X1:S),X2:S) 1.34/1.56 mark(U21(X1:S,X2:S,X3:S)) -> a__U21(mark(X1:S),X2:S,X3:S) 1.34/1.56 mark(and(X1:S,X2:S)) -> a__and(mark(X1:S),X2:S) 1.34/1.56 mark(isNat(X:S)) -> a__isNat(X:S) 1.34/1.56 mark(plus(X1:S,X2:S)) -> a__plus(mark(X1:S),mark(X2:S)) 1.34/1.56 mark(s(X:S)) -> s(mark(X:S)) 1.34/1.56 mark(tt) -> tt 1.34/1.56 1.34/1.56 Problem 1: 1.34/1.56 1.34/1.56 Reduction Pairs Processor: 1.34/1.56 -> Pairs: 1.34/1.56 A__AND(tt,X:S) -> MARK(X:S) 1.34/1.56 A__ISNAT(plus(V1:S,V2:S)) -> A__AND(a__isNat(V1:S),isNat(V2:S)) 1.34/1.56 A__ISNAT(plus(V1:S,V2:S)) -> A__ISNAT(V1:S) 1.34/1.56 A__ISNAT(s(V1:S)) -> A__ISNAT(V1:S) 1.34/1.56 MARK(and(X1:S,X2:S)) -> A__AND(mark(X1:S),X2:S) 1.34/1.56 MARK(and(X1:S,X2:S)) -> MARK(X1:S) 1.34/1.56 MARK(isNat(X:S)) -> A__ISNAT(X:S) 1.34/1.56 MARK(plus(X1:S,X2:S)) -> MARK(X1:S) 1.34/1.56 MARK(plus(X1:S,X2:S)) -> MARK(X2:S) 1.34/1.56 MARK(s(X:S)) -> MARK(X:S) 1.34/1.56 -> Rules: 1.34/1.56 a__U11(tt,N:S) -> mark(N:S) 1.34/1.56 a__U11(X1:S,X2:S) -> U11(X1:S,X2:S) 1.34/1.56 a__U21(tt,M:S,N:S) -> s(a__plus(mark(N:S),mark(M:S))) 1.34/1.56 a__U21(X1:S,X2:S,X3:S) -> U21(X1:S,X2:S,X3:S) 1.34/1.56 a__and(tt,X:S) -> mark(X:S) 1.34/1.56 a__and(X1:S,X2:S) -> and(X1:S,X2:S) 1.34/1.56 a__isNat(0) -> tt 1.34/1.56 a__isNat(plus(V1:S,V2:S)) -> a__and(a__isNat(V1:S),isNat(V2:S)) 1.34/1.56 a__isNat(s(V1:S)) -> a__isNat(V1:S) 1.34/1.56 a__isNat(X:S) -> isNat(X:S) 1.34/1.56 a__plus(N:S,0) -> a__U11(a__isNat(N:S),N:S) 1.34/1.56 a__plus(N:S,s(M:S)) -> a__U21(a__and(a__isNat(M:S),isNat(N:S)),M:S,N:S) 1.34/1.56 a__plus(X1:S,X2:S) -> plus(X1:S,X2:S) 1.34/1.56 mark(0) -> 0 1.34/1.56 mark(U11(X1:S,X2:S)) -> a__U11(mark(X1:S),X2:S) 1.34/1.56 mark(U21(X1:S,X2:S,X3:S)) -> a__U21(mark(X1:S),X2:S,X3:S) 1.34/1.56 mark(and(X1:S,X2:S)) -> a__and(mark(X1:S),X2:S) 1.34/1.56 mark(isNat(X:S)) -> a__isNat(X:S) 1.34/1.56 mark(plus(X1:S,X2:S)) -> a__plus(mark(X1:S),mark(X2:S)) 1.34/1.56 mark(s(X:S)) -> s(mark(X:S)) 1.34/1.56 mark(tt) -> tt 1.34/1.56 -> Usable rules: 1.34/1.56 a__U11(tt,N:S) -> mark(N:S) 1.34/1.56 a__U11(X1:S,X2:S) -> U11(X1:S,X2:S) 1.34/1.56 a__U21(tt,M:S,N:S) -> s(a__plus(mark(N:S),mark(M:S))) 1.34/1.56 a__U21(X1:S,X2:S,X3:S) -> U21(X1:S,X2:S,X3:S) 1.34/1.56 a__and(tt,X:S) -> mark(X:S) 1.34/1.56 a__and(X1:S,X2:S) -> and(X1:S,X2:S) 1.34/1.56 a__isNat(0) -> tt 1.34/1.56 a__isNat(plus(V1:S,V2:S)) -> a__and(a__isNat(V1:S),isNat(V2:S)) 1.34/1.56 a__isNat(s(V1:S)) -> a__isNat(V1:S) 1.34/1.56 a__isNat(X:S) -> isNat(X:S) 1.34/1.56 a__plus(N:S,0) -> a__U11(a__isNat(N:S),N:S) 1.34/1.56 a__plus(N:S,s(M:S)) -> a__U21(a__and(a__isNat(M:S),isNat(N:S)),M:S,N:S) 1.34/1.56 a__plus(X1:S,X2:S) -> plus(X1:S,X2:S) 1.34/1.56 mark(0) -> 0 1.34/1.56 mark(U11(X1:S,X2:S)) -> a__U11(mark(X1:S),X2:S) 1.34/1.56 mark(U21(X1:S,X2:S,X3:S)) -> a__U21(mark(X1:S),X2:S,X3:S) 1.34/1.56 mark(and(X1:S,X2:S)) -> a__and(mark(X1:S),X2:S) 1.34/1.56 mark(isNat(X:S)) -> a__isNat(X:S) 1.34/1.56 mark(plus(X1:S,X2:S)) -> a__plus(mark(X1:S),mark(X2:S)) 1.34/1.56 mark(s(X:S)) -> s(mark(X:S)) 1.34/1.56 mark(tt) -> tt 1.34/1.56 ->Interpretation type: 1.34/1.56 Linear 1.34/1.56 ->Coefficients: 1.34/1.56 Natural Numbers 1.34/1.56 ->Dimension: 1.34/1.56 1 1.34/1.56 ->Bound: 1.34/1.56 2 1.34/1.56 ->Interpretation: 1.34/1.56 1.34/1.56 [a__U11](X1,X2) = X2 + 2 1.34/1.56 [a__U21](X1,X2,X3) = 2.X2 + 2.X3 + 2 1.34/1.56 [a__and](X1,X2) = 2.X1 + 2.X2 + 1 1.34/1.56 [a__isNat](X) = 2.X + 1 1.34/1.56 [a__plus](X1,X2) = 2.X1 + 2.X2 + 2 1.34/1.56 [mark](X) = X 1.34/1.56 [0] = 2 1.34/1.56 [U11](X1,X2) = X2 + 2 1.34/1.56 [U21](X1,X2,X3) = 2.X2 + 2.X3 + 2 1.34/1.56 [and](X1,X2) = 2.X1 + 2.X2 + 1 1.34/1.56 [fSNonEmpty] = 0 1.34/1.56 [isNat](X) = 2.X + 1 1.34/1.56 [plus](X1,X2) = 2.X1 + 2.X2 + 2 1.34/1.56 [s](X) = X 1.34/1.56 [tt] = 2 1.34/1.56 [A__U11](X1,X2) = 0 1.34/1.56 [A__U21](X1,X2,X3) = 0 1.34/1.56 [A__AND](X1,X2) = 2.X1 + 2.X2 + 2 1.34/1.56 [A__ISNAT](X) = 2.X + 2 1.34/1.56 [A__PLUS](X1,X2) = 0 1.34/1.56 [MARK](X) = 2.X + 2 1.34/1.56 1.34/1.56 Problem 1: 1.34/1.56 1.34/1.56 SCC Processor: 1.34/1.56 -> Pairs: 1.34/1.56 A__ISNAT(plus(V1:S,V2:S)) -> A__AND(a__isNat(V1:S),isNat(V2:S)) 1.34/1.56 A__ISNAT(plus(V1:S,V2:S)) -> A__ISNAT(V1:S) 1.34/1.56 A__ISNAT(s(V1:S)) -> A__ISNAT(V1:S) 1.34/1.56 MARK(and(X1:S,X2:S)) -> A__AND(mark(X1:S),X2:S) 1.34/1.56 MARK(and(X1:S,X2:S)) -> MARK(X1:S) 1.34/1.56 MARK(isNat(X:S)) -> A__ISNAT(X:S) 1.34/1.56 MARK(plus(X1:S,X2:S)) -> MARK(X1:S) 1.34/1.56 MARK(plus(X1:S,X2:S)) -> MARK(X2:S) 1.34/1.56 MARK(s(X:S)) -> MARK(X:S) 1.34/1.56 -> Rules: 1.34/1.56 a__U11(tt,N:S) -> mark(N:S) 1.34/1.56 a__U11(X1:S,X2:S) -> U11(X1:S,X2:S) 1.34/1.56 a__U21(tt,M:S,N:S) -> s(a__plus(mark(N:S),mark(M:S))) 1.34/1.56 a__U21(X1:S,X2:S,X3:S) -> U21(X1:S,X2:S,X3:S) 1.34/1.56 a__and(tt,X:S) -> mark(X:S) 1.34/1.56 a__and(X1:S,X2:S) -> and(X1:S,X2:S) 1.34/1.56 a__isNat(0) -> tt 1.34/1.56 a__isNat(plus(V1:S,V2:S)) -> a__and(a__isNat(V1:S),isNat(V2:S)) 1.34/1.56 a__isNat(s(V1:S)) -> a__isNat(V1:S) 1.34/1.56 a__isNat(X:S) -> isNat(X:S) 1.34/1.56 a__plus(N:S,0) -> a__U11(a__isNat(N:S),N:S) 1.34/1.56 a__plus(N:S,s(M:S)) -> a__U21(a__and(a__isNat(M:S),isNat(N:S)),M:S,N:S) 1.34/1.56 a__plus(X1:S,X2:S) -> plus(X1:S,X2:S) 1.34/1.56 mark(0) -> 0 1.34/1.56 mark(U11(X1:S,X2:S)) -> a__U11(mark(X1:S),X2:S) 1.34/1.56 mark(U21(X1:S,X2:S,X3:S)) -> a__U21(mark(X1:S),X2:S,X3:S) 1.34/1.56 mark(and(X1:S,X2:S)) -> a__and(mark(X1:S),X2:S) 1.34/1.56 mark(isNat(X:S)) -> a__isNat(X:S) 1.34/1.56 mark(plus(X1:S,X2:S)) -> a__plus(mark(X1:S),mark(X2:S)) 1.34/1.56 mark(s(X:S)) -> s(mark(X:S)) 1.34/1.56 mark(tt) -> tt 1.34/1.56 ->Strongly Connected Components: 1.34/1.56 ->->Cycle: 1.34/1.56 ->->-> Pairs: 1.34/1.56 A__ISNAT(plus(V1:S,V2:S)) -> A__ISNAT(V1:S) 1.34/1.56 A__ISNAT(s(V1:S)) -> A__ISNAT(V1:S) 1.34/1.56 ->->-> Rules: 1.34/1.56 a__U11(tt,N:S) -> mark(N:S) 1.34/1.56 a__U11(X1:S,X2:S) -> U11(X1:S,X2:S) 1.34/1.56 a__U21(tt,M:S,N:S) -> s(a__plus(mark(N:S),mark(M:S))) 1.34/1.56 a__U21(X1:S,X2:S,X3:S) -> U21(X1:S,X2:S,X3:S) 1.34/1.56 a__and(tt,X:S) -> mark(X:S) 1.34/1.56 a__and(X1:S,X2:S) -> and(X1:S,X2:S) 1.34/1.56 a__isNat(0) -> tt 1.34/1.56 a__isNat(plus(V1:S,V2:S)) -> a__and(a__isNat(V1:S),isNat(V2:S)) 1.34/1.56 a__isNat(s(V1:S)) -> a__isNat(V1:S) 1.34/1.56 a__isNat(X:S) -> isNat(X:S) 1.34/1.56 a__plus(N:S,0) -> a__U11(a__isNat(N:S),N:S) 1.34/1.56 a__plus(N:S,s(M:S)) -> a__U21(a__and(a__isNat(M:S),isNat(N:S)),M:S,N:S) 1.34/1.56 a__plus(X1:S,X2:S) -> plus(X1:S,X2:S) 1.34/1.56 mark(0) -> 0 1.34/1.56 mark(U11(X1:S,X2:S)) -> a__U11(mark(X1:S),X2:S) 1.34/1.56 mark(U21(X1:S,X2:S,X3:S)) -> a__U21(mark(X1:S),X2:S,X3:S) 1.34/1.56 mark(and(X1:S,X2:S)) -> a__and(mark(X1:S),X2:S) 1.34/1.56 mark(isNat(X:S)) -> a__isNat(X:S) 1.34/1.56 mark(plus(X1:S,X2:S)) -> a__plus(mark(X1:S),mark(X2:S)) 1.34/1.56 mark(s(X:S)) -> s(mark(X:S)) 1.34/1.56 mark(tt) -> tt 1.34/1.56 ->->Cycle: 1.34/1.56 ->->-> Pairs: 1.34/1.56 MARK(and(X1:S,X2:S)) -> MARK(X1:S) 1.34/1.56 MARK(plus(X1:S,X2:S)) -> MARK(X1:S) 1.34/1.56 MARK(plus(X1:S,X2:S)) -> MARK(X2:S) 1.34/1.56 MARK(s(X:S)) -> MARK(X:S) 1.34/1.56 ->->-> Rules: 1.34/1.56 a__U11(tt,N:S) -> mark(N:S) 1.34/1.56 a__U11(X1:S,X2:S) -> U11(X1:S,X2:S) 1.34/1.56 a__U21(tt,M:S,N:S) -> s(a__plus(mark(N:S),mark(M:S))) 1.34/1.56 a__U21(X1:S,X2:S,X3:S) -> U21(X1:S,X2:S,X3:S) 1.34/1.56 a__and(tt,X:S) -> mark(X:S) 1.34/1.56 a__and(X1:S,X2:S) -> and(X1:S,X2:S) 1.34/1.56 a__isNat(0) -> tt 1.34/1.56 a__isNat(plus(V1:S,V2:S)) -> a__and(a__isNat(V1:S),isNat(V2:S)) 1.34/1.56 a__isNat(s(V1:S)) -> a__isNat(V1:S) 1.34/1.56 a__isNat(X:S) -> isNat(X:S) 1.34/1.56 a__plus(N:S,0) -> a__U11(a__isNat(N:S),N:S) 1.34/1.56 a__plus(N:S,s(M:S)) -> a__U21(a__and(a__isNat(M:S),isNat(N:S)),M:S,N:S) 1.34/1.56 a__plus(X1:S,X2:S) -> plus(X1:S,X2:S) 1.34/1.56 mark(0) -> 0 1.34/1.56 mark(U11(X1:S,X2:S)) -> a__U11(mark(X1:S),X2:S) 1.34/1.56 mark(U21(X1:S,X2:S,X3:S)) -> a__U21(mark(X1:S),X2:S,X3:S) 1.34/1.56 mark(and(X1:S,X2:S)) -> a__and(mark(X1:S),X2:S) 1.34/1.56 mark(isNat(X:S)) -> a__isNat(X:S) 1.34/1.56 mark(plus(X1:S,X2:S)) -> a__plus(mark(X1:S),mark(X2:S)) 1.34/1.56 mark(s(X:S)) -> s(mark(X:S)) 1.34/1.56 mark(tt) -> tt 1.34/1.56 1.34/1.56 1.34/1.56 The problem is decomposed in 2 subproblems. 1.34/1.56 1.34/1.56 Problem 1.1: 1.34/1.56 1.34/1.56 Subterm Processor: 1.34/1.56 -> Pairs: 1.34/1.56 A__ISNAT(plus(V1:S,V2:S)) -> A__ISNAT(V1:S) 1.34/1.56 A__ISNAT(s(V1:S)) -> A__ISNAT(V1:S) 1.34/1.56 -> Rules: 1.34/1.56 a__U11(tt,N:S) -> mark(N:S) 1.34/1.56 a__U11(X1:S,X2:S) -> U11(X1:S,X2:S) 1.34/1.56 a__U21(tt,M:S,N:S) -> s(a__plus(mark(N:S),mark(M:S))) 1.34/1.56 a__U21(X1:S,X2:S,X3:S) -> U21(X1:S,X2:S,X3:S) 1.34/1.56 a__and(tt,X:S) -> mark(X:S) 1.34/1.56 a__and(X1:S,X2:S) -> and(X1:S,X2:S) 1.34/1.56 a__isNat(0) -> tt 1.34/1.56 a__isNat(plus(V1:S,V2:S)) -> a__and(a__isNat(V1:S),isNat(V2:S)) 1.34/1.56 a__isNat(s(V1:S)) -> a__isNat(V1:S) 1.34/1.56 a__isNat(X:S) -> isNat(X:S) 1.34/1.56 a__plus(N:S,0) -> a__U11(a__isNat(N:S),N:S) 1.34/1.56 a__plus(N:S,s(M:S)) -> a__U21(a__and(a__isNat(M:S),isNat(N:S)),M:S,N:S) 1.34/1.56 a__plus(X1:S,X2:S) -> plus(X1:S,X2:S) 1.34/1.56 mark(0) -> 0 1.34/1.56 mark(U11(X1:S,X2:S)) -> a__U11(mark(X1:S),X2:S) 1.34/1.56 mark(U21(X1:S,X2:S,X3:S)) -> a__U21(mark(X1:S),X2:S,X3:S) 1.34/1.56 mark(and(X1:S,X2:S)) -> a__and(mark(X1:S),X2:S) 1.34/1.56 mark(isNat(X:S)) -> a__isNat(X:S) 1.34/1.56 mark(plus(X1:S,X2:S)) -> a__plus(mark(X1:S),mark(X2:S)) 1.34/1.56 mark(s(X:S)) -> s(mark(X:S)) 1.34/1.56 mark(tt) -> tt 1.34/1.56 ->Projection: 1.34/1.56 pi(A__ISNAT) = 1 1.34/1.56 1.34/1.56 Problem 1.1: 1.34/1.56 1.34/1.56 SCC Processor: 1.34/1.56 -> Pairs: 1.34/1.56 Empty 1.34/1.56 -> Rules: 1.34/1.56 a__U11(tt,N:S) -> mark(N:S) 1.34/1.56 a__U11(X1:S,X2:S) -> U11(X1:S,X2:S) 1.34/1.56 a__U21(tt,M:S,N:S) -> s(a__plus(mark(N:S),mark(M:S))) 1.34/1.56 a__U21(X1:S,X2:S,X3:S) -> U21(X1:S,X2:S,X3:S) 1.34/1.56 a__and(tt,X:S) -> mark(X:S) 1.34/1.56 a__and(X1:S,X2:S) -> and(X1:S,X2:S) 1.34/1.56 a__isNat(0) -> tt 1.34/1.56 a__isNat(plus(V1:S,V2:S)) -> a__and(a__isNat(V1:S),isNat(V2:S)) 1.34/1.56 a__isNat(s(V1:S)) -> a__isNat(V1:S) 1.34/1.56 a__isNat(X:S) -> isNat(X:S) 1.34/1.56 a__plus(N:S,0) -> a__U11(a__isNat(N:S),N:S) 1.34/1.56 a__plus(N:S,s(M:S)) -> a__U21(a__and(a__isNat(M:S),isNat(N:S)),M:S,N:S) 1.34/1.56 a__plus(X1:S,X2:S) -> plus(X1:S,X2:S) 1.34/1.56 mark(0) -> 0 1.34/1.56 mark(U11(X1:S,X2:S)) -> a__U11(mark(X1:S),X2:S) 1.34/1.56 mark(U21(X1:S,X2:S,X3:S)) -> a__U21(mark(X1:S),X2:S,X3:S) 1.34/1.56 mark(and(X1:S,X2:S)) -> a__and(mark(X1:S),X2:S) 1.34/1.56 mark(isNat(X:S)) -> a__isNat(X:S) 1.34/1.56 mark(plus(X1:S,X2:S)) -> a__plus(mark(X1:S),mark(X2:S)) 1.34/1.56 mark(s(X:S)) -> s(mark(X:S)) 1.34/1.56 mark(tt) -> tt 1.34/1.56 ->Strongly Connected Components: 1.34/1.56 There is no strongly connected component 1.34/1.56 1.34/1.56 The problem is finite. 1.34/1.56 1.34/1.56 Problem 1.2: 1.34/1.56 1.34/1.56 Subterm Processor: 1.34/1.56 -> Pairs: 1.34/1.56 MARK(and(X1:S,X2:S)) -> MARK(X1:S) 1.34/1.56 MARK(plus(X1:S,X2:S)) -> MARK(X1:S) 1.34/1.56 MARK(plus(X1:S,X2:S)) -> MARK(X2:S) 1.34/1.56 MARK(s(X:S)) -> MARK(X:S) 1.34/1.56 -> Rules: 1.34/1.56 a__U11(tt,N:S) -> mark(N:S) 1.34/1.56 a__U11(X1:S,X2:S) -> U11(X1:S,X2:S) 1.34/1.56 a__U21(tt,M:S,N:S) -> s(a__plus(mark(N:S),mark(M:S))) 1.34/1.56 a__U21(X1:S,X2:S,X3:S) -> U21(X1:S,X2:S,X3:S) 1.34/1.56 a__and(tt,X:S) -> mark(X:S) 1.34/1.56 a__and(X1:S,X2:S) -> and(X1:S,X2:S) 1.34/1.56 a__isNat(0) -> tt 1.34/1.56 a__isNat(plus(V1:S,V2:S)) -> a__and(a__isNat(V1:S),isNat(V2:S)) 1.34/1.56 a__isNat(s(V1:S)) -> a__isNat(V1:S) 1.34/1.56 a__isNat(X:S) -> isNat(X:S) 1.34/1.56 a__plus(N:S,0) -> a__U11(a__isNat(N:S),N:S) 1.34/1.56 a__plus(N:S,s(M:S)) -> a__U21(a__and(a__isNat(M:S),isNat(N:S)),M:S,N:S) 1.34/1.56 a__plus(X1:S,X2:S) -> plus(X1:S,X2:S) 1.34/1.56 mark(0) -> 0 1.34/1.56 mark(U11(X1:S,X2:S)) -> a__U11(mark(X1:S),X2:S) 1.34/1.56 mark(U21(X1:S,X2:S,X3:S)) -> a__U21(mark(X1:S),X2:S,X3:S) 1.34/1.56 mark(and(X1:S,X2:S)) -> a__and(mark(X1:S),X2:S) 1.34/1.56 mark(isNat(X:S)) -> a__isNat(X:S) 1.34/1.56 mark(plus(X1:S,X2:S)) -> a__plus(mark(X1:S),mark(X2:S)) 1.34/1.56 mark(s(X:S)) -> s(mark(X:S)) 1.34/1.56 mark(tt) -> tt 1.34/1.56 ->Projection: 1.34/1.56 pi(MARK) = 1 1.34/1.56 1.34/1.56 Problem 1.2: 1.34/1.56 1.34/1.56 SCC Processor: 1.34/1.56 -> Pairs: 1.34/1.56 Empty 1.34/1.56 -> Rules: 1.34/1.56 a__U11(tt,N:S) -> mark(N:S) 1.34/1.56 a__U11(X1:S,X2:S) -> U11(X1:S,X2:S) 1.34/1.56 a__U21(tt,M:S,N:S) -> s(a__plus(mark(N:S),mark(M:S))) 1.34/1.56 a__U21(X1:S,X2:S,X3:S) -> U21(X1:S,X2:S,X3:S) 1.34/1.56 a__and(tt,X:S) -> mark(X:S) 1.34/1.56 a__and(X1:S,X2:S) -> and(X1:S,X2:S) 1.34/1.56 a__isNat(0) -> tt 1.34/1.56 a__isNat(plus(V1:S,V2:S)) -> a__and(a__isNat(V1:S),isNat(V2:S)) 1.34/1.56 a__isNat(s(V1:S)) -> a__isNat(V1:S) 1.34/1.56 a__isNat(X:S) -> isNat(X:S) 1.34/1.56 a__plus(N:S,0) -> a__U11(a__isNat(N:S),N:S) 1.34/1.56 a__plus(N:S,s(M:S)) -> a__U21(a__and(a__isNat(M:S),isNat(N:S)),M:S,N:S) 1.34/1.56 a__plus(X1:S,X2:S) -> plus(X1:S,X2:S) 1.34/1.56 mark(0) -> 0 1.34/1.56 mark(U11(X1:S,X2:S)) -> a__U11(mark(X1:S),X2:S) 1.34/1.56 mark(U21(X1:S,X2:S,X3:S)) -> a__U21(mark(X1:S),X2:S,X3:S) 1.34/1.56 mark(and(X1:S,X2:S)) -> a__and(mark(X1:S),X2:S) 1.34/1.56 mark(isNat(X:S)) -> a__isNat(X:S) 1.34/1.56 mark(plus(X1:S,X2:S)) -> a__plus(mark(X1:S),mark(X2:S)) 1.34/1.56 mark(s(X:S)) -> s(mark(X:S)) 1.34/1.56 mark(tt) -> tt 1.34/1.56 ->Strongly Connected Components: 1.34/1.56 There is no strongly connected component 1.34/1.56 1.34/1.56 The problem is finite. 1.34/1.56 EOF