YES Problem 1: (VAR v_NonEmpty:S X:S X1:S X2:S) (RULES active(cons(X1:S,X2:S)) -> cons(active(X1:S),X2:S) active(f(s(0))) -> mark(f(p(s(0)))) active(f(0)) -> mark(cons(0,f(s(0)))) active(f(X:S)) -> f(active(X:S)) active(p(s(X:S))) -> mark(X:S) active(p(X:S)) -> p(active(X:S)) active(s(X:S)) -> s(active(X:S)) cons(mark(X1:S),X2:S) -> mark(cons(X1:S,X2:S)) cons(ok(X1:S),ok(X2:S)) -> ok(cons(X1:S,X2:S)) f(mark(X:S)) -> mark(f(X:S)) f(ok(X:S)) -> ok(f(X:S)) p(mark(X:S)) -> mark(p(X:S)) p(ok(X:S)) -> ok(p(X:S)) proper(cons(X1:S,X2:S)) -> cons(proper(X1:S),proper(X2:S)) proper(f(X:S)) -> f(proper(X:S)) proper(p(X:S)) -> p(proper(X:S)) proper(s(X:S)) -> s(proper(X:S)) proper(0) -> ok(0) s(mark(X:S)) -> mark(s(X:S)) s(ok(X:S)) -> ok(s(X:S)) top(mark(X:S)) -> top(proper(X:S)) top(ok(X:S)) -> top(active(X:S)) ) (STRATEGY INNERMOST) Problem 1: Dependency Pairs Processor: -> Pairs: ACTIVE(cons(X1:S,X2:S)) -> ACTIVE(X1:S) ACTIVE(cons(X1:S,X2:S)) -> CONS(active(X1:S),X2:S) ACTIVE(f(X:S)) -> ACTIVE(X:S) ACTIVE(f(X:S)) -> F(active(X:S)) ACTIVE(p(X:S)) -> ACTIVE(X:S) ACTIVE(p(X:S)) -> P(active(X:S)) ACTIVE(s(X:S)) -> ACTIVE(X:S) ACTIVE(s(X:S)) -> S(active(X:S)) CONS(mark(X1:S),X2:S) -> CONS(X1:S,X2:S) CONS(ok(X1:S),ok(X2:S)) -> CONS(X1:S,X2:S) F(mark(X:S)) -> F(X:S) F(ok(X:S)) -> F(X:S) P(mark(X:S)) -> P(X:S) P(ok(X:S)) -> P(X:S) PROPER(cons(X1:S,X2:S)) -> CONS(proper(X1:S),proper(X2:S)) PROPER(cons(X1:S,X2:S)) -> PROPER(X1:S) PROPER(cons(X1:S,X2:S)) -> PROPER(X2:S) PROPER(f(X:S)) -> F(proper(X:S)) PROPER(f(X:S)) -> PROPER(X:S) PROPER(p(X:S)) -> P(proper(X:S)) PROPER(p(X:S)) -> PROPER(X:S) PROPER(s(X:S)) -> PROPER(X:S) PROPER(s(X:S)) -> S(proper(X:S)) S(mark(X:S)) -> S(X:S) S(ok(X:S)) -> S(X:S) TOP(mark(X:S)) -> PROPER(X:S) TOP(mark(X:S)) -> TOP(proper(X:S)) TOP(ok(X:S)) -> ACTIVE(X:S) TOP(ok(X:S)) -> TOP(active(X:S)) -> Rules: active(cons(X1:S,X2:S)) -> cons(active(X1:S),X2:S) active(f(s(0))) -> mark(f(p(s(0)))) active(f(0)) -> mark(cons(0,f(s(0)))) active(f(X:S)) -> f(active(X:S)) active(p(s(X:S))) -> mark(X:S) active(p(X:S)) -> p(active(X:S)) active(s(X:S)) -> s(active(X:S)) cons(mark(X1:S),X2:S) -> mark(cons(X1:S,X2:S)) cons(ok(X1:S),ok(X2:S)) -> ok(cons(X1:S,X2:S)) f(mark(X:S)) -> mark(f(X:S)) f(ok(X:S)) -> ok(f(X:S)) p(mark(X:S)) -> mark(p(X:S)) p(ok(X:S)) -> ok(p(X:S)) proper(cons(X1:S,X2:S)) -> cons(proper(X1:S),proper(X2:S)) proper(f(X:S)) -> f(proper(X:S)) proper(p(X:S)) -> p(proper(X:S)) proper(s(X:S)) -> s(proper(X:S)) proper(0) -> ok(0) s(mark(X:S)) -> mark(s(X:S)) s(ok(X:S)) -> ok(s(X:S)) top(mark(X:S)) -> top(proper(X:S)) top(ok(X:S)) -> top(active(X:S)) Problem 1: SCC Processor: -> Pairs: ACTIVE(cons(X1:S,X2:S)) -> ACTIVE(X1:S) ACTIVE(cons(X1:S,X2:S)) -> CONS(active(X1:S),X2:S) ACTIVE(f(X:S)) -> ACTIVE(X:S) ACTIVE(f(X:S)) -> F(active(X:S)) ACTIVE(p(X:S)) -> ACTIVE(X:S) ACTIVE(p(X:S)) -> P(active(X:S)) ACTIVE(s(X:S)) -> ACTIVE(X:S) ACTIVE(s(X:S)) -> S(active(X:S)) CONS(mark(X1:S),X2:S) -> CONS(X1:S,X2:S) CONS(ok(X1:S),ok(X2:S)) -> CONS(X1:S,X2:S) F(mark(X:S)) -> F(X:S) F(ok(X:S)) -> F(X:S) P(mark(X:S)) -> P(X:S) P(ok(X:S)) -> P(X:S) PROPER(cons(X1:S,X2:S)) -> CONS(proper(X1:S),proper(X2:S)) PROPER(cons(X1:S,X2:S)) -> PROPER(X1:S) PROPER(cons(X1:S,X2:S)) -> PROPER(X2:S) PROPER(f(X:S)) -> F(proper(X:S)) PROPER(f(X:S)) -> PROPER(X:S) PROPER(p(X:S)) -> P(proper(X:S)) PROPER(p(X:S)) -> PROPER(X:S) PROPER(s(X:S)) -> PROPER(X:S) PROPER(s(X:S)) -> S(proper(X:S)) S(mark(X:S)) -> S(X:S) S(ok(X:S)) -> S(X:S) TOP(mark(X:S)) -> PROPER(X:S) TOP(mark(X:S)) -> TOP(proper(X:S)) TOP(ok(X:S)) -> ACTIVE(X:S) TOP(ok(X:S)) -> TOP(active(X:S)) -> Rules: active(cons(X1:S,X2:S)) -> cons(active(X1:S),X2:S) active(f(s(0))) -> mark(f(p(s(0)))) active(f(0)) -> mark(cons(0,f(s(0)))) active(f(X:S)) -> f(active(X:S)) active(p(s(X:S))) -> mark(X:S) active(p(X:S)) -> p(active(X:S)) active(s(X:S)) -> s(active(X:S)) cons(mark(X1:S),X2:S) -> mark(cons(X1:S,X2:S)) cons(ok(X1:S),ok(X2:S)) -> ok(cons(X1:S,X2:S)) f(mark(X:S)) -> mark(f(X:S)) f(ok(X:S)) -> ok(f(X:S)) p(mark(X:S)) -> mark(p(X:S)) p(ok(X:S)) -> ok(p(X:S)) proper(cons(X1:S,X2:S)) -> cons(proper(X1:S),proper(X2:S)) proper(f(X:S)) -> f(proper(X:S)) proper(p(X:S)) -> p(proper(X:S)) proper(s(X:S)) -> s(proper(X:S)) proper(0) -> ok(0) s(mark(X:S)) -> mark(s(X:S)) s(ok(X:S)) -> ok(s(X:S)) top(mark(X:S)) -> top(proper(X:S)) top(ok(X:S)) -> top(active(X:S)) ->Strongly Connected Components: ->->Cycle: ->->-> Pairs: S(mark(X:S)) -> S(X:S) S(ok(X:S)) -> S(X:S) ->->-> Rules: active(cons(X1:S,X2:S)) -> cons(active(X1:S),X2:S) active(f(s(0))) -> mark(f(p(s(0)))) active(f(0)) -> mark(cons(0,f(s(0)))) active(f(X:S)) -> f(active(X:S)) active(p(s(X:S))) -> mark(X:S) active(p(X:S)) -> p(active(X:S)) active(s(X:S)) -> s(active(X:S)) cons(mark(X1:S),X2:S) -> mark(cons(X1:S,X2:S)) cons(ok(X1:S),ok(X2:S)) -> ok(cons(X1:S,X2:S)) f(mark(X:S)) -> mark(f(X:S)) f(ok(X:S)) -> ok(f(X:S)) p(mark(X:S)) -> mark(p(X:S)) p(ok(X:S)) -> ok(p(X:S)) proper(cons(X1:S,X2:S)) -> cons(proper(X1:S),proper(X2:S)) proper(f(X:S)) -> f(proper(X:S)) proper(p(X:S)) -> p(proper(X:S)) proper(s(X:S)) -> s(proper(X:S)) proper(0) -> ok(0) s(mark(X:S)) -> mark(s(X:S)) s(ok(X:S)) -> ok(s(X:S)) top(mark(X:S)) -> top(proper(X:S)) top(ok(X:S)) -> top(active(X:S)) ->->Cycle: ->->-> Pairs: P(mark(X:S)) -> P(X:S) P(ok(X:S)) -> P(X:S) ->->-> Rules: active(cons(X1:S,X2:S)) -> cons(active(X1:S),X2:S) active(f(s(0))) -> mark(f(p(s(0)))) active(f(0)) -> mark(cons(0,f(s(0)))) active(f(X:S)) -> f(active(X:S)) active(p(s(X:S))) -> mark(X:S) active(p(X:S)) -> p(active(X:S)) active(s(X:S)) -> s(active(X:S)) cons(mark(X1:S),X2:S) -> mark(cons(X1:S,X2:S)) cons(ok(X1:S),ok(X2:S)) -> ok(cons(X1:S,X2:S)) f(mark(X:S)) -> mark(f(X:S)) f(ok(X:S)) -> ok(f(X:S)) p(mark(X:S)) -> mark(p(X:S)) p(ok(X:S)) -> ok(p(X:S)) proper(cons(X1:S,X2:S)) -> cons(proper(X1:S),proper(X2:S)) proper(f(X:S)) -> f(proper(X:S)) proper(p(X:S)) -> p(proper(X:S)) proper(s(X:S)) -> s(proper(X:S)) proper(0) -> ok(0) s(mark(X:S)) -> mark(s(X:S)) s(ok(X:S)) -> ok(s(X:S)) top(mark(X:S)) -> top(proper(X:S)) top(ok(X:S)) -> top(active(X:S)) ->->Cycle: ->->-> Pairs: F(mark(X:S)) -> F(X:S) F(ok(X:S)) -> F(X:S) ->->-> Rules: active(cons(X1:S,X2:S)) -> cons(active(X1:S),X2:S) active(f(s(0))) -> mark(f(p(s(0)))) active(f(0)) -> mark(cons(0,f(s(0)))) active(f(X:S)) -> f(active(X:S)) active(p(s(X:S))) -> mark(X:S) active(p(X:S)) -> p(active(X:S)) active(s(X:S)) -> s(active(X:S)) cons(mark(X1:S),X2:S) -> mark(cons(X1:S,X2:S)) cons(ok(X1:S),ok(X2:S)) -> ok(cons(X1:S,X2:S)) f(mark(X:S)) -> mark(f(X:S)) f(ok(X:S)) -> ok(f(X:S)) p(mark(X:S)) -> mark(p(X:S)) p(ok(X:S)) -> ok(p(X:S)) proper(cons(X1:S,X2:S)) -> cons(proper(X1:S),proper(X2:S)) proper(f(X:S)) -> f(proper(X:S)) proper(p(X:S)) -> p(proper(X:S)) proper(s(X:S)) -> s(proper(X:S)) proper(0) -> ok(0) s(mark(X:S)) -> mark(s(X:S)) s(ok(X:S)) -> ok(s(X:S)) top(mark(X:S)) -> top(proper(X:S)) top(ok(X:S)) -> top(active(X:S)) ->->Cycle: ->->-> Pairs: CONS(mark(X1:S),X2:S) -> CONS(X1:S,X2:S) CONS(ok(X1:S),ok(X2:S)) -> CONS(X1:S,X2:S) ->->-> Rules: active(cons(X1:S,X2:S)) -> cons(active(X1:S),X2:S) active(f(s(0))) -> mark(f(p(s(0)))) active(f(0)) -> mark(cons(0,f(s(0)))) active(f(X:S)) -> f(active(X:S)) active(p(s(X:S))) -> mark(X:S) active(p(X:S)) -> p(active(X:S)) active(s(X:S)) -> s(active(X:S)) cons(mark(X1:S),X2:S) -> mark(cons(X1:S,X2:S)) cons(ok(X1:S),ok(X2:S)) -> ok(cons(X1:S,X2:S)) f(mark(X:S)) -> mark(f(X:S)) f(ok(X:S)) -> ok(f(X:S)) p(mark(X:S)) -> mark(p(X:S)) p(ok(X:S)) -> ok(p(X:S)) proper(cons(X1:S,X2:S)) -> cons(proper(X1:S),proper(X2:S)) proper(f(X:S)) -> f(proper(X:S)) proper(p(X:S)) -> p(proper(X:S)) proper(s(X:S)) -> s(proper(X:S)) proper(0) -> ok(0) s(mark(X:S)) -> mark(s(X:S)) s(ok(X:S)) -> ok(s(X:S)) top(mark(X:S)) -> top(proper(X:S)) top(ok(X:S)) -> top(active(X:S)) ->->Cycle: ->->-> Pairs: PROPER(cons(X1:S,X2:S)) -> PROPER(X1:S) PROPER(cons(X1:S,X2:S)) -> PROPER(X2:S) PROPER(f(X:S)) -> PROPER(X:S) PROPER(p(X:S)) -> PROPER(X:S) PROPER(s(X:S)) -> PROPER(X:S) ->->-> Rules: active(cons(X1:S,X2:S)) -> cons(active(X1:S),X2:S) active(f(s(0))) -> mark(f(p(s(0)))) active(f(0)) -> mark(cons(0,f(s(0)))) active(f(X:S)) -> f(active(X:S)) active(p(s(X:S))) -> mark(X:S) active(p(X:S)) -> p(active(X:S)) active(s(X:S)) -> s(active(X:S)) cons(mark(X1:S),X2:S) -> mark(cons(X1:S,X2:S)) cons(ok(X1:S),ok(X2:S)) -> ok(cons(X1:S,X2:S)) f(mark(X:S)) -> mark(f(X:S)) f(ok(X:S)) -> ok(f(X:S)) p(mark(X:S)) -> mark(p(X:S)) p(ok(X:S)) -> ok(p(X:S)) proper(cons(X1:S,X2:S)) -> cons(proper(X1:S),proper(X2:S)) proper(f(X:S)) -> f(proper(X:S)) proper(p(X:S)) -> p(proper(X:S)) proper(s(X:S)) -> s(proper(X:S)) proper(0) -> ok(0) s(mark(X:S)) -> mark(s(X:S)) s(ok(X:S)) -> ok(s(X:S)) top(mark(X:S)) -> top(proper(X:S)) top(ok(X:S)) -> top(active(X:S)) ->->Cycle: ->->-> Pairs: ACTIVE(cons(X1:S,X2:S)) -> ACTIVE(X1:S) ACTIVE(f(X:S)) -> ACTIVE(X:S) ACTIVE(p(X:S)) -> ACTIVE(X:S) ACTIVE(s(X:S)) -> ACTIVE(X:S) ->->-> Rules: active(cons(X1:S,X2:S)) -> cons(active(X1:S),X2:S) active(f(s(0))) -> mark(f(p(s(0)))) active(f(0)) -> mark(cons(0,f(s(0)))) active(f(X:S)) -> f(active(X:S)) active(p(s(X:S))) -> mark(X:S) active(p(X:S)) -> p(active(X:S)) active(s(X:S)) -> s(active(X:S)) cons(mark(X1:S),X2:S) -> mark(cons(X1:S,X2:S)) cons(ok(X1:S),ok(X2:S)) -> ok(cons(X1:S,X2:S)) f(mark(X:S)) -> mark(f(X:S)) f(ok(X:S)) -> ok(f(X:S)) p(mark(X:S)) -> mark(p(X:S)) p(ok(X:S)) -> ok(p(X:S)) proper(cons(X1:S,X2:S)) -> cons(proper(X1:S),proper(X2:S)) proper(f(X:S)) -> f(proper(X:S)) proper(p(X:S)) -> p(proper(X:S)) proper(s(X:S)) -> s(proper(X:S)) proper(0) -> ok(0) s(mark(X:S)) -> mark(s(X:S)) s(ok(X:S)) -> ok(s(X:S)) top(mark(X:S)) -> top(proper(X:S)) top(ok(X:S)) -> top(active(X:S)) ->->Cycle: ->->-> Pairs: TOP(mark(X:S)) -> TOP(proper(X:S)) TOP(ok(X:S)) -> TOP(active(X:S)) ->->-> Rules: active(cons(X1:S,X2:S)) -> cons(active(X1:S),X2:S) active(f(s(0))) -> mark(f(p(s(0)))) active(f(0)) -> mark(cons(0,f(s(0)))) active(f(X:S)) -> f(active(X:S)) active(p(s(X:S))) -> mark(X:S) active(p(X:S)) -> p(active(X:S)) active(s(X:S)) -> s(active(X:S)) cons(mark(X1:S),X2:S) -> mark(cons(X1:S,X2:S)) cons(ok(X1:S),ok(X2:S)) -> ok(cons(X1:S,X2:S)) f(mark(X:S)) -> mark(f(X:S)) f(ok(X:S)) -> ok(f(X:S)) p(mark(X:S)) -> mark(p(X:S)) p(ok(X:S)) -> ok(p(X:S)) proper(cons(X1:S,X2:S)) -> cons(proper(X1:S),proper(X2:S)) proper(f(X:S)) -> f(proper(X:S)) proper(p(X:S)) -> p(proper(X:S)) proper(s(X:S)) -> s(proper(X:S)) proper(0) -> ok(0) s(mark(X:S)) -> mark(s(X:S)) s(ok(X:S)) -> ok(s(X:S)) top(mark(X:S)) -> top(proper(X:S)) top(ok(X:S)) -> top(active(X:S)) The problem is decomposed in 7 subproblems. Problem 1.1: Subterm Processor: -> Pairs: S(mark(X:S)) -> S(X:S) S(ok(X:S)) -> S(X:S) -> Rules: active(cons(X1:S,X2:S)) -> cons(active(X1:S),X2:S) active(f(s(0))) -> mark(f(p(s(0)))) active(f(0)) -> mark(cons(0,f(s(0)))) active(f(X:S)) -> f(active(X:S)) active(p(s(X:S))) -> mark(X:S) active(p(X:S)) -> p(active(X:S)) active(s(X:S)) -> s(active(X:S)) cons(mark(X1:S),X2:S) -> mark(cons(X1:S,X2:S)) cons(ok(X1:S),ok(X2:S)) -> ok(cons(X1:S,X2:S)) f(mark(X:S)) -> mark(f(X:S)) f(ok(X:S)) -> ok(f(X:S)) p(mark(X:S)) -> mark(p(X:S)) p(ok(X:S)) -> ok(p(X:S)) proper(cons(X1:S,X2:S)) -> cons(proper(X1:S),proper(X2:S)) proper(f(X:S)) -> f(proper(X:S)) proper(p(X:S)) -> p(proper(X:S)) proper(s(X:S)) -> s(proper(X:S)) proper(0) -> ok(0) s(mark(X:S)) -> mark(s(X:S)) s(ok(X:S)) -> ok(s(X:S)) top(mark(X:S)) -> top(proper(X:S)) top(ok(X:S)) -> top(active(X:S)) ->Projection: pi(S) = 1 Problem 1.1: SCC Processor: -> Pairs: Empty -> Rules: active(cons(X1:S,X2:S)) -> cons(active(X1:S),X2:S) active(f(s(0))) -> mark(f(p(s(0)))) active(f(0)) -> mark(cons(0,f(s(0)))) active(f(X:S)) -> f(active(X:S)) active(p(s(X:S))) -> mark(X:S) active(p(X:S)) -> p(active(X:S)) active(s(X:S)) -> s(active(X:S)) cons(mark(X1:S),X2:S) -> mark(cons(X1:S,X2:S)) cons(ok(X1:S),ok(X2:S)) -> ok(cons(X1:S,X2:S)) f(mark(X:S)) -> mark(f(X:S)) f(ok(X:S)) -> ok(f(X:S)) p(mark(X:S)) -> mark(p(X:S)) p(ok(X:S)) -> ok(p(X:S)) proper(cons(X1:S,X2:S)) -> cons(proper(X1:S),proper(X2:S)) proper(f(X:S)) -> f(proper(X:S)) proper(p(X:S)) -> p(proper(X:S)) proper(s(X:S)) -> s(proper(X:S)) proper(0) -> ok(0) s(mark(X:S)) -> mark(s(X:S)) s(ok(X:S)) -> ok(s(X:S)) top(mark(X:S)) -> top(proper(X:S)) top(ok(X:S)) -> top(active(X:S)) ->Strongly Connected Components: There is no strongly connected component The problem is finite. Problem 1.2: Subterm Processor: -> Pairs: P(mark(X:S)) -> P(X:S) P(ok(X:S)) -> P(X:S) -> Rules: active(cons(X1:S,X2:S)) -> cons(active(X1:S),X2:S) active(f(s(0))) -> mark(f(p(s(0)))) active(f(0)) -> mark(cons(0,f(s(0)))) active(f(X:S)) -> f(active(X:S)) active(p(s(X:S))) -> mark(X:S) active(p(X:S)) -> p(active(X:S)) active(s(X:S)) -> s(active(X:S)) cons(mark(X1:S),X2:S) -> mark(cons(X1:S,X2:S)) cons(ok(X1:S),ok(X2:S)) -> ok(cons(X1:S,X2:S)) f(mark(X:S)) -> mark(f(X:S)) f(ok(X:S)) -> ok(f(X:S)) p(mark(X:S)) -> mark(p(X:S)) p(ok(X:S)) -> ok(p(X:S)) proper(cons(X1:S,X2:S)) -> cons(proper(X1:S),proper(X2:S)) proper(f(X:S)) -> f(proper(X:S)) proper(p(X:S)) -> p(proper(X:S)) proper(s(X:S)) -> s(proper(X:S)) proper(0) -> ok(0) s(mark(X:S)) -> mark(s(X:S)) s(ok(X:S)) -> ok(s(X:S)) top(mark(X:S)) -> top(proper(X:S)) top(ok(X:S)) -> top(active(X:S)) ->Projection: pi(P) = 1 Problem 1.2: SCC Processor: -> Pairs: Empty -> Rules: active(cons(X1:S,X2:S)) -> cons(active(X1:S),X2:S) active(f(s(0))) -> mark(f(p(s(0)))) active(f(0)) -> mark(cons(0,f(s(0)))) active(f(X:S)) -> f(active(X:S)) active(p(s(X:S))) -> mark(X:S) active(p(X:S)) -> p(active(X:S)) active(s(X:S)) -> s(active(X:S)) cons(mark(X1:S),X2:S) -> mark(cons(X1:S,X2:S)) cons(ok(X1:S),ok(X2:S)) -> ok(cons(X1:S,X2:S)) f(mark(X:S)) -> mark(f(X:S)) f(ok(X:S)) -> ok(f(X:S)) p(mark(X:S)) -> mark(p(X:S)) p(ok(X:S)) -> ok(p(X:S)) proper(cons(X1:S,X2:S)) -> cons(proper(X1:S),proper(X2:S)) proper(f(X:S)) -> f(proper(X:S)) proper(p(X:S)) -> p(proper(X:S)) proper(s(X:S)) -> s(proper(X:S)) proper(0) -> ok(0) s(mark(X:S)) -> mark(s(X:S)) s(ok(X:S)) -> ok(s(X:S)) top(mark(X:S)) -> top(proper(X:S)) top(ok(X:S)) -> top(active(X:S)) ->Strongly Connected Components: There is no strongly connected component The problem is finite. Problem 1.3: Subterm Processor: -> Pairs: F(mark(X:S)) -> F(X:S) F(ok(X:S)) -> F(X:S) -> Rules: active(cons(X1:S,X2:S)) -> cons(active(X1:S),X2:S) active(f(s(0))) -> mark(f(p(s(0)))) active(f(0)) -> mark(cons(0,f(s(0)))) active(f(X:S)) -> f(active(X:S)) active(p(s(X:S))) -> mark(X:S) active(p(X:S)) -> p(active(X:S)) active(s(X:S)) -> s(active(X:S)) cons(mark(X1:S),X2:S) -> mark(cons(X1:S,X2:S)) cons(ok(X1:S),ok(X2:S)) -> ok(cons(X1:S,X2:S)) f(mark(X:S)) -> mark(f(X:S)) f(ok(X:S)) -> ok(f(X:S)) p(mark(X:S)) -> mark(p(X:S)) p(ok(X:S)) -> ok(p(X:S)) proper(cons(X1:S,X2:S)) -> cons(proper(X1:S),proper(X2:S)) proper(f(X:S)) -> f(proper(X:S)) proper(p(X:S)) -> p(proper(X:S)) proper(s(X:S)) -> s(proper(X:S)) proper(0) -> ok(0) s(mark(X:S)) -> mark(s(X:S)) s(ok(X:S)) -> ok(s(X:S)) top(mark(X:S)) -> top(proper(X:S)) top(ok(X:S)) -> top(active(X:S)) ->Projection: pi(F) = 1 Problem 1.3: SCC Processor: -> Pairs: Empty -> Rules: active(cons(X1:S,X2:S)) -> cons(active(X1:S),X2:S) active(f(s(0))) -> mark(f(p(s(0)))) active(f(0)) -> mark(cons(0,f(s(0)))) active(f(X:S)) -> f(active(X:S)) active(p(s(X:S))) -> mark(X:S) active(p(X:S)) -> p(active(X:S)) active(s(X:S)) -> s(active(X:S)) cons(mark(X1:S),X2:S) -> mark(cons(X1:S,X2:S)) cons(ok(X1:S),ok(X2:S)) -> ok(cons(X1:S,X2:S)) f(mark(X:S)) -> mark(f(X:S)) f(ok(X:S)) -> ok(f(X:S)) p(mark(X:S)) -> mark(p(X:S)) p(ok(X:S)) -> ok(p(X:S)) proper(cons(X1:S,X2:S)) -> cons(proper(X1:S),proper(X2:S)) proper(f(X:S)) -> f(proper(X:S)) proper(p(X:S)) -> p(proper(X:S)) proper(s(X:S)) -> s(proper(X:S)) proper(0) -> ok(0) s(mark(X:S)) -> mark(s(X:S)) s(ok(X:S)) -> ok(s(X:S)) top(mark(X:S)) -> top(proper(X:S)) top(ok(X:S)) -> top(active(X:S)) ->Strongly Connected Components: There is no strongly connected component The problem is finite. Problem 1.4: Subterm Processor: -> Pairs: CONS(mark(X1:S),X2:S) -> CONS(X1:S,X2:S) CONS(ok(X1:S),ok(X2:S)) -> CONS(X1:S,X2:S) -> Rules: active(cons(X1:S,X2:S)) -> cons(active(X1:S),X2:S) active(f(s(0))) -> mark(f(p(s(0)))) active(f(0)) -> mark(cons(0,f(s(0)))) active(f(X:S)) -> f(active(X:S)) active(p(s(X:S))) -> mark(X:S) active(p(X:S)) -> p(active(X:S)) active(s(X:S)) -> s(active(X:S)) cons(mark(X1:S),X2:S) -> mark(cons(X1:S,X2:S)) cons(ok(X1:S),ok(X2:S)) -> ok(cons(X1:S,X2:S)) f(mark(X:S)) -> mark(f(X:S)) f(ok(X:S)) -> ok(f(X:S)) p(mark(X:S)) -> mark(p(X:S)) p(ok(X:S)) -> ok(p(X:S)) proper(cons(X1:S,X2:S)) -> cons(proper(X1:S),proper(X2:S)) proper(f(X:S)) -> f(proper(X:S)) proper(p(X:S)) -> p(proper(X:S)) proper(s(X:S)) -> s(proper(X:S)) proper(0) -> ok(0) s(mark(X:S)) -> mark(s(X:S)) s(ok(X:S)) -> ok(s(X:S)) top(mark(X:S)) -> top(proper(X:S)) top(ok(X:S)) -> top(active(X:S)) ->Projection: pi(CONS) = 1 Problem 1.4: SCC Processor: -> Pairs: Empty -> Rules: active(cons(X1:S,X2:S)) -> cons(active(X1:S),X2:S) active(f(s(0))) -> mark(f(p(s(0)))) active(f(0)) -> mark(cons(0,f(s(0)))) active(f(X:S)) -> f(active(X:S)) active(p(s(X:S))) -> mark(X:S) active(p(X:S)) -> p(active(X:S)) active(s(X:S)) -> s(active(X:S)) cons(mark(X1:S),X2:S) -> mark(cons(X1:S,X2:S)) cons(ok(X1:S),ok(X2:S)) -> ok(cons(X1:S,X2:S)) f(mark(X:S)) -> mark(f(X:S)) f(ok(X:S)) -> ok(f(X:S)) p(mark(X:S)) -> mark(p(X:S)) p(ok(X:S)) -> ok(p(X:S)) proper(cons(X1:S,X2:S)) -> cons(proper(X1:S),proper(X2:S)) proper(f(X:S)) -> f(proper(X:S)) proper(p(X:S)) -> p(proper(X:S)) proper(s(X:S)) -> s(proper(X:S)) proper(0) -> ok(0) s(mark(X:S)) -> mark(s(X:S)) s(ok(X:S)) -> ok(s(X:S)) top(mark(X:S)) -> top(proper(X:S)) top(ok(X:S)) -> top(active(X:S)) ->Strongly Connected Components: There is no strongly connected component The problem is finite. Problem 1.5: Subterm Processor: -> Pairs: PROPER(cons(X1:S,X2:S)) -> PROPER(X1:S) PROPER(cons(X1:S,X2:S)) -> PROPER(X2:S) PROPER(f(X:S)) -> PROPER(X:S) PROPER(p(X:S)) -> PROPER(X:S) PROPER(s(X:S)) -> PROPER(X:S) -> Rules: active(cons(X1:S,X2:S)) -> cons(active(X1:S),X2:S) active(f(s(0))) -> mark(f(p(s(0)))) active(f(0)) -> mark(cons(0,f(s(0)))) active(f(X:S)) -> f(active(X:S)) active(p(s(X:S))) -> mark(X:S) active(p(X:S)) -> p(active(X:S)) active(s(X:S)) -> s(active(X:S)) cons(mark(X1:S),X2:S) -> mark(cons(X1:S,X2:S)) cons(ok(X1:S),ok(X2:S)) -> ok(cons(X1:S,X2:S)) f(mark(X:S)) -> mark(f(X:S)) f(ok(X:S)) -> ok(f(X:S)) p(mark(X:S)) -> mark(p(X:S)) p(ok(X:S)) -> ok(p(X:S)) proper(cons(X1:S,X2:S)) -> cons(proper(X1:S),proper(X2:S)) proper(f(X:S)) -> f(proper(X:S)) proper(p(X:S)) -> p(proper(X:S)) proper(s(X:S)) -> s(proper(X:S)) proper(0) -> ok(0) s(mark(X:S)) -> mark(s(X:S)) s(ok(X:S)) -> ok(s(X:S)) top(mark(X:S)) -> top(proper(X:S)) top(ok(X:S)) -> top(active(X:S)) ->Projection: pi(PROPER) = 1 Problem 1.5: SCC Processor: -> Pairs: Empty -> Rules: active(cons(X1:S,X2:S)) -> cons(active(X1:S),X2:S) active(f(s(0))) -> mark(f(p(s(0)))) active(f(0)) -> mark(cons(0,f(s(0)))) active(f(X:S)) -> f(active(X:S)) active(p(s(X:S))) -> mark(X:S) active(p(X:S)) -> p(active(X:S)) active(s(X:S)) -> s(active(X:S)) cons(mark(X1:S),X2:S) -> mark(cons(X1:S,X2:S)) cons(ok(X1:S),ok(X2:S)) -> ok(cons(X1:S,X2:S)) f(mark(X:S)) -> mark(f(X:S)) f(ok(X:S)) -> ok(f(X:S)) p(mark(X:S)) -> mark(p(X:S)) p(ok(X:S)) -> ok(p(X:S)) proper(cons(X1:S,X2:S)) -> cons(proper(X1:S),proper(X2:S)) proper(f(X:S)) -> f(proper(X:S)) proper(p(X:S)) -> p(proper(X:S)) proper(s(X:S)) -> s(proper(X:S)) proper(0) -> ok(0) s(mark(X:S)) -> mark(s(X:S)) s(ok(X:S)) -> ok(s(X:S)) top(mark(X:S)) -> top(proper(X:S)) top(ok(X:S)) -> top(active(X:S)) ->Strongly Connected Components: There is no strongly connected component The problem is finite. Problem 1.6: Subterm Processor: -> Pairs: ACTIVE(cons(X1:S,X2:S)) -> ACTIVE(X1:S) ACTIVE(f(X:S)) -> ACTIVE(X:S) ACTIVE(p(X:S)) -> ACTIVE(X:S) ACTIVE(s(X:S)) -> ACTIVE(X:S) -> Rules: active(cons(X1:S,X2:S)) -> cons(active(X1:S),X2:S) active(f(s(0))) -> mark(f(p(s(0)))) active(f(0)) -> mark(cons(0,f(s(0)))) active(f(X:S)) -> f(active(X:S)) active(p(s(X:S))) -> mark(X:S) active(p(X:S)) -> p(active(X:S)) active(s(X:S)) -> s(active(X:S)) cons(mark(X1:S),X2:S) -> mark(cons(X1:S,X2:S)) cons(ok(X1:S),ok(X2:S)) -> ok(cons(X1:S,X2:S)) f(mark(X:S)) -> mark(f(X:S)) f(ok(X:S)) -> ok(f(X:S)) p(mark(X:S)) -> mark(p(X:S)) p(ok(X:S)) -> ok(p(X:S)) proper(cons(X1:S,X2:S)) -> cons(proper(X1:S),proper(X2:S)) proper(f(X:S)) -> f(proper(X:S)) proper(p(X:S)) -> p(proper(X:S)) proper(s(X:S)) -> s(proper(X:S)) proper(0) -> ok(0) s(mark(X:S)) -> mark(s(X:S)) s(ok(X:S)) -> ok(s(X:S)) top(mark(X:S)) -> top(proper(X:S)) top(ok(X:S)) -> top(active(X:S)) ->Projection: pi(ACTIVE) = 1 Problem 1.6: SCC Processor: -> Pairs: Empty -> Rules: active(cons(X1:S,X2:S)) -> cons(active(X1:S),X2:S) active(f(s(0))) -> mark(f(p(s(0)))) active(f(0)) -> mark(cons(0,f(s(0)))) active(f(X:S)) -> f(active(X:S)) active(p(s(X:S))) -> mark(X:S) active(p(X:S)) -> p(active(X:S)) active(s(X:S)) -> s(active(X:S)) cons(mark(X1:S),X2:S) -> mark(cons(X1:S,X2:S)) cons(ok(X1:S),ok(X2:S)) -> ok(cons(X1:S,X2:S)) f(mark(X:S)) -> mark(f(X:S)) f(ok(X:S)) -> ok(f(X:S)) p(mark(X:S)) -> mark(p(X:S)) p(ok(X:S)) -> ok(p(X:S)) proper(cons(X1:S,X2:S)) -> cons(proper(X1:S),proper(X2:S)) proper(f(X:S)) -> f(proper(X:S)) proper(p(X:S)) -> p(proper(X:S)) proper(s(X:S)) -> s(proper(X:S)) proper(0) -> ok(0) s(mark(X:S)) -> mark(s(X:S)) s(ok(X:S)) -> ok(s(X:S)) top(mark(X:S)) -> top(proper(X:S)) top(ok(X:S)) -> top(active(X:S)) ->Strongly Connected Components: There is no strongly connected component The problem is finite. Problem 1.7: Reduction Pairs Processor: -> Pairs: TOP(mark(X:S)) -> TOP(proper(X:S)) TOP(ok(X:S)) -> TOP(active(X:S)) -> Rules: active(cons(X1:S,X2:S)) -> cons(active(X1:S),X2:S) active(f(s(0))) -> mark(f(p(s(0)))) active(f(0)) -> mark(cons(0,f(s(0)))) active(f(X:S)) -> f(active(X:S)) active(p(s(X:S))) -> mark(X:S) active(p(X:S)) -> p(active(X:S)) active(s(X:S)) -> s(active(X:S)) cons(mark(X1:S),X2:S) -> mark(cons(X1:S,X2:S)) cons(ok(X1:S),ok(X2:S)) -> ok(cons(X1:S,X2:S)) f(mark(X:S)) -> mark(f(X:S)) f(ok(X:S)) -> ok(f(X:S)) p(mark(X:S)) -> mark(p(X:S)) p(ok(X:S)) -> ok(p(X:S)) proper(cons(X1:S,X2:S)) -> cons(proper(X1:S),proper(X2:S)) proper(f(X:S)) -> f(proper(X:S)) proper(p(X:S)) -> p(proper(X:S)) proper(s(X:S)) -> s(proper(X:S)) proper(0) -> ok(0) s(mark(X:S)) -> mark(s(X:S)) s(ok(X:S)) -> ok(s(X:S)) top(mark(X:S)) -> top(proper(X:S)) top(ok(X:S)) -> top(active(X:S)) -> Usable rules: active(cons(X1:S,X2:S)) -> cons(active(X1:S),X2:S) active(f(s(0))) -> mark(f(p(s(0)))) active(f(0)) -> mark(cons(0,f(s(0)))) active(f(X:S)) -> f(active(X:S)) active(p(s(X:S))) -> mark(X:S) active(p(X:S)) -> p(active(X:S)) active(s(X:S)) -> s(active(X:S)) cons(mark(X1:S),X2:S) -> mark(cons(X1:S,X2:S)) cons(ok(X1:S),ok(X2:S)) -> ok(cons(X1:S,X2:S)) f(mark(X:S)) -> mark(f(X:S)) f(ok(X:S)) -> ok(f(X:S)) p(mark(X:S)) -> mark(p(X:S)) p(ok(X:S)) -> ok(p(X:S)) proper(cons(X1:S,X2:S)) -> cons(proper(X1:S),proper(X2:S)) proper(f(X:S)) -> f(proper(X:S)) proper(p(X:S)) -> p(proper(X:S)) proper(s(X:S)) -> s(proper(X:S)) proper(0) -> ok(0) s(mark(X:S)) -> mark(s(X:S)) s(ok(X:S)) -> ok(s(X:S)) ->Interpretation type: Linear ->Coefficients: Natural Numbers ->Dimension: 2 ->Bound: 1 ->Interpretation: [active](X) = [1 0;0 1].X [cons](X1,X2) = [1 0;1 0].X1 [f](X) = [1 0;1 0].X + [1;1] [p](X) = [0 1;1 0].X + [1;0] [proper](X) = [1 0;0 1].X [s](X) = [0 1;1 0].X + [1;0] [top](X) = 0 [0] = [0;1] [fSNonEmpty] = 0 [mark](X) = [1 0;0 1].X + [1;1] [ok](X) = [1 0;0 1].X [ACTIVE](X) = 0 [CONS](X1,X2) = 0 [F](X) = 0 [P](X) = 0 [PROPER](X) = 0 [S](X) = 0 [TOP](X) = [0 1;1 1].X Problem 1.7: SCC Processor: -> Pairs: TOP(ok(X:S)) -> TOP(active(X:S)) -> Rules: active(cons(X1:S,X2:S)) -> cons(active(X1:S),X2:S) active(f(s(0))) -> mark(f(p(s(0)))) active(f(0)) -> mark(cons(0,f(s(0)))) active(f(X:S)) -> f(active(X:S)) active(p(s(X:S))) -> mark(X:S) active(p(X:S)) -> p(active(X:S)) active(s(X:S)) -> s(active(X:S)) cons(mark(X1:S),X2:S) -> mark(cons(X1:S,X2:S)) cons(ok(X1:S),ok(X2:S)) -> ok(cons(X1:S,X2:S)) f(mark(X:S)) -> mark(f(X:S)) f(ok(X:S)) -> ok(f(X:S)) p(mark(X:S)) -> mark(p(X:S)) p(ok(X:S)) -> ok(p(X:S)) proper(cons(X1:S,X2:S)) -> cons(proper(X1:S),proper(X2:S)) proper(f(X:S)) -> f(proper(X:S)) proper(p(X:S)) -> p(proper(X:S)) proper(s(X:S)) -> s(proper(X:S)) proper(0) -> ok(0) s(mark(X:S)) -> mark(s(X:S)) s(ok(X:S)) -> ok(s(X:S)) top(mark(X:S)) -> top(proper(X:S)) top(ok(X:S)) -> top(active(X:S)) ->Strongly Connected Components: ->->Cycle: ->->-> Pairs: TOP(ok(X:S)) -> TOP(active(X:S)) ->->-> Rules: active(cons(X1:S,X2:S)) -> cons(active(X1:S),X2:S) active(f(s(0))) -> mark(f(p(s(0)))) active(f(0)) -> mark(cons(0,f(s(0)))) active(f(X:S)) -> f(active(X:S)) active(p(s(X:S))) -> mark(X:S) active(p(X:S)) -> p(active(X:S)) active(s(X:S)) -> s(active(X:S)) cons(mark(X1:S),X2:S) -> mark(cons(X1:S,X2:S)) cons(ok(X1:S),ok(X2:S)) -> ok(cons(X1:S,X2:S)) f(mark(X:S)) -> mark(f(X:S)) f(ok(X:S)) -> ok(f(X:S)) p(mark(X:S)) -> mark(p(X:S)) p(ok(X:S)) -> ok(p(X:S)) proper(cons(X1:S,X2:S)) -> cons(proper(X1:S),proper(X2:S)) proper(f(X:S)) -> f(proper(X:S)) proper(p(X:S)) -> p(proper(X:S)) proper(s(X:S)) -> s(proper(X:S)) proper(0) -> ok(0) s(mark(X:S)) -> mark(s(X:S)) s(ok(X:S)) -> ok(s(X:S)) top(mark(X:S)) -> top(proper(X:S)) top(ok(X:S)) -> top(active(X:S)) Problem 1.7: Reduction Pairs Processor: -> Pairs: TOP(ok(X:S)) -> TOP(active(X:S)) -> Rules: active(cons(X1:S,X2:S)) -> cons(active(X1:S),X2:S) active(f(s(0))) -> mark(f(p(s(0)))) active(f(0)) -> mark(cons(0,f(s(0)))) active(f(X:S)) -> f(active(X:S)) active(p(s(X:S))) -> mark(X:S) active(p(X:S)) -> p(active(X:S)) active(s(X:S)) -> s(active(X:S)) cons(mark(X1:S),X2:S) -> mark(cons(X1:S,X2:S)) cons(ok(X1:S),ok(X2:S)) -> ok(cons(X1:S,X2:S)) f(mark(X:S)) -> mark(f(X:S)) f(ok(X:S)) -> ok(f(X:S)) p(mark(X:S)) -> mark(p(X:S)) p(ok(X:S)) -> ok(p(X:S)) proper(cons(X1:S,X2:S)) -> cons(proper(X1:S),proper(X2:S)) proper(f(X:S)) -> f(proper(X:S)) proper(p(X:S)) -> p(proper(X:S)) proper(s(X:S)) -> s(proper(X:S)) proper(0) -> ok(0) s(mark(X:S)) -> mark(s(X:S)) s(ok(X:S)) -> ok(s(X:S)) top(mark(X:S)) -> top(proper(X:S)) top(ok(X:S)) -> top(active(X:S)) -> Usable rules: active(cons(X1:S,X2:S)) -> cons(active(X1:S),X2:S) active(f(s(0))) -> mark(f(p(s(0)))) active(f(0)) -> mark(cons(0,f(s(0)))) active(f(X:S)) -> f(active(X:S)) active(p(s(X:S))) -> mark(X:S) active(p(X:S)) -> p(active(X:S)) active(s(X:S)) -> s(active(X:S)) cons(mark(X1:S),X2:S) -> mark(cons(X1:S,X2:S)) cons(ok(X1:S),ok(X2:S)) -> ok(cons(X1:S,X2:S)) f(mark(X:S)) -> mark(f(X:S)) f(ok(X:S)) -> ok(f(X:S)) p(mark(X:S)) -> mark(p(X:S)) p(ok(X:S)) -> ok(p(X:S)) s(mark(X:S)) -> mark(s(X:S)) s(ok(X:S)) -> ok(s(X:S)) ->Interpretation type: Linear ->Coefficients: Natural Numbers ->Dimension: 1 ->Bound: 2 ->Interpretation: [active](X) = 2.X + 1 [cons](X1,X2) = 2.X1 + 1 [f](X) = 2.X + 1 [p](X) = X [proper](X) = 0 [s](X) = 2.X + 1 [top](X) = 0 [0] = 1 [fSNonEmpty] = 0 [mark](X) = 2.X + 1 [ok](X) = 2.X + 2 [ACTIVE](X) = 0 [CONS](X1,X2) = 0 [F](X) = 0 [P](X) = 0 [PROPER](X) = 0 [S](X) = 0 [TOP](X) = 2.X Problem 1.7: SCC Processor: -> Pairs: Empty -> Rules: active(cons(X1:S,X2:S)) -> cons(active(X1:S),X2:S) active(f(s(0))) -> mark(f(p(s(0)))) active(f(0)) -> mark(cons(0,f(s(0)))) active(f(X:S)) -> f(active(X:S)) active(p(s(X:S))) -> mark(X:S) active(p(X:S)) -> p(active(X:S)) active(s(X:S)) -> s(active(X:S)) cons(mark(X1:S),X2:S) -> mark(cons(X1:S,X2:S)) cons(ok(X1:S),ok(X2:S)) -> ok(cons(X1:S,X2:S)) f(mark(X:S)) -> mark(f(X:S)) f(ok(X:S)) -> ok(f(X:S)) p(mark(X:S)) -> mark(p(X:S)) p(ok(X:S)) -> ok(p(X:S)) proper(cons(X1:S,X2:S)) -> cons(proper(X1:S),proper(X2:S)) proper(f(X:S)) -> f(proper(X:S)) proper(p(X:S)) -> p(proper(X:S)) proper(s(X:S)) -> s(proper(X:S)) proper(0) -> ok(0) s(mark(X:S)) -> mark(s(X:S)) s(ok(X:S)) -> ok(s(X:S)) top(mark(X:S)) -> top(proper(X:S)) top(ok(X:S)) -> top(active(X:S)) ->Strongly Connected Components: There is no strongly connected component The problem is finite.