MAYBE Problem: active(f(0())) -> mark(cons(0(),f(s(0())))) active(f(s(0()))) -> mark(f(p(s(0())))) active(p(s(X))) -> mark(X) active(f(X)) -> f(active(X)) active(cons(X1,X2)) -> cons(active(X1),X2) active(s(X)) -> s(active(X)) active(p(X)) -> p(active(X)) f(mark(X)) -> mark(f(X)) cons(mark(X1),X2) -> mark(cons(X1,X2)) s(mark(X)) -> mark(s(X)) p(mark(X)) -> mark(p(X)) proper(f(X)) -> f(proper(X)) proper(0()) -> ok(0()) proper(cons(X1,X2)) -> cons(proper(X1),proper(X2)) proper(s(X)) -> s(proper(X)) proper(p(X)) -> p(proper(X)) f(ok(X)) -> ok(f(X)) cons(ok(X1),ok(X2)) -> ok(cons(X1,X2)) s(ok(X)) -> ok(s(X)) p(ok(X)) -> ok(p(X)) top(mark(X)) -> top(proper(X)) top(ok(X)) -> top(active(X)) Proof: DP Processor: DPs: active#(f(0())) -> s#(0()) active#(f(0())) -> f#(s(0())) active#(f(0())) -> cons#(0(),f(s(0()))) active#(f(s(0()))) -> p#(s(0())) active#(f(s(0()))) -> f#(p(s(0()))) active#(f(X)) -> active#(X) active#(f(X)) -> f#(active(X)) active#(cons(X1,X2)) -> active#(X1) active#(cons(X1,X2)) -> cons#(active(X1),X2) active#(s(X)) -> active#(X) active#(s(X)) -> s#(active(X)) active#(p(X)) -> active#(X) active#(p(X)) -> p#(active(X)) f#(mark(X)) -> f#(X) cons#(mark(X1),X2) -> cons#(X1,X2) s#(mark(X)) -> s#(X) p#(mark(X)) -> p#(X) proper#(f(X)) -> proper#(X) proper#(f(X)) -> f#(proper(X)) proper#(cons(X1,X2)) -> proper#(X2) proper#(cons(X1,X2)) -> proper#(X1) proper#(cons(X1,X2)) -> cons#(proper(X1),proper(X2)) proper#(s(X)) -> proper#(X) proper#(s(X)) -> s#(proper(X)) proper#(p(X)) -> proper#(X) proper#(p(X)) -> p#(proper(X)) f#(ok(X)) -> f#(X) cons#(ok(X1),ok(X2)) -> cons#(X1,X2) s#(ok(X)) -> s#(X) p#(ok(X)) -> p#(X) top#(mark(X)) -> proper#(X) top#(mark(X)) -> top#(proper(X)) top#(ok(X)) -> active#(X) top#(ok(X)) -> top#(active(X)) TRS: active(f(0())) -> mark(cons(0(),f(s(0())))) active(f(s(0()))) -> mark(f(p(s(0())))) active(p(s(X))) -> mark(X) active(f(X)) -> f(active(X)) active(cons(X1,X2)) -> cons(active(X1),X2) active(s(X)) -> s(active(X)) active(p(X)) -> p(active(X)) f(mark(X)) -> mark(f(X)) cons(mark(X1),X2) -> mark(cons(X1,X2)) s(mark(X)) -> mark(s(X)) p(mark(X)) -> mark(p(X)) proper(f(X)) -> f(proper(X)) proper(0()) -> ok(0()) proper(cons(X1,X2)) -> cons(proper(X1),proper(X2)) proper(s(X)) -> s(proper(X)) proper(p(X)) -> p(proper(X)) f(ok(X)) -> ok(f(X)) cons(ok(X1),ok(X2)) -> ok(cons(X1,X2)) s(ok(X)) -> ok(s(X)) p(ok(X)) -> ok(p(X)) top(mark(X)) -> top(proper(X)) top(ok(X)) -> top(active(X)) TDG Processor: DPs: active#(f(0())) -> s#(0()) active#(f(0())) -> f#(s(0())) active#(f(0())) -> cons#(0(),f(s(0()))) active#(f(s(0()))) -> p#(s(0())) active#(f(s(0()))) -> f#(p(s(0()))) active#(f(X)) -> active#(X) active#(f(X)) -> f#(active(X)) active#(cons(X1,X2)) -> active#(X1) active#(cons(X1,X2)) -> cons#(active(X1),X2) active#(s(X)) -> active#(X) active#(s(X)) -> s#(active(X)) active#(p(X)) -> active#(X) active#(p(X)) -> p#(active(X)) f#(mark(X)) -> f#(X) cons#(mark(X1),X2) -> cons#(X1,X2) s#(mark(X)) -> s#(X) p#(mark(X)) -> p#(X) proper#(f(X)) -> proper#(X) proper#(f(X)) -> f#(proper(X)) proper#(cons(X1,X2)) -> proper#(X2) proper#(cons(X1,X2)) -> proper#(X1) proper#(cons(X1,X2)) -> cons#(proper(X1),proper(X2)) proper#(s(X)) -> proper#(X) proper#(s(X)) -> s#(proper(X)) proper#(p(X)) -> proper#(X) proper#(p(X)) -> p#(proper(X)) f#(ok(X)) -> f#(X) cons#(ok(X1),ok(X2)) -> cons#(X1,X2) s#(ok(X)) -> s#(X) p#(ok(X)) -> p#(X) top#(mark(X)) -> proper#(X) top#(mark(X)) -> top#(proper(X)) top#(ok(X)) -> active#(X) top#(ok(X)) -> top#(active(X)) TRS: active(f(0())) -> mark(cons(0(),f(s(0())))) active(f(s(0()))) -> mark(f(p(s(0())))) active(p(s(X))) -> mark(X) active(f(X)) -> f(active(X)) active(cons(X1,X2)) -> cons(active(X1),X2) active(s(X)) -> s(active(X)) active(p(X)) -> p(active(X)) f(mark(X)) -> mark(f(X)) cons(mark(X1),X2) -> mark(cons(X1,X2)) s(mark(X)) -> mark(s(X)) p(mark(X)) -> mark(p(X)) proper(f(X)) -> f(proper(X)) proper(0()) -> ok(0()) proper(cons(X1,X2)) -> cons(proper(X1),proper(X2)) proper(s(X)) -> s(proper(X)) proper(p(X)) -> p(proper(X)) f(ok(X)) -> ok(f(X)) cons(ok(X1),ok(X2)) -> ok(cons(X1,X2)) s(ok(X)) -> ok(s(X)) p(ok(X)) -> ok(p(X)) top(mark(X)) -> top(proper(X)) top(ok(X)) -> top(active(X)) graph: top#(ok(X)) -> top#(active(X)) -> top#(ok(X)) -> top#(active(X)) top#(ok(X)) -> top#(active(X)) -> top#(ok(X)) -> active#(X) top#(ok(X)) -> top#(active(X)) -> top#(mark(X)) -> top#(proper(X)) top#(ok(X)) -> top#(active(X)) -> top#(mark(X)) -> proper#(X) top#(ok(X)) -> active#(X) -> active#(p(X)) -> p#(active(X)) top#(ok(X)) -> active#(X) -> active#(p(X)) -> active#(X) top#(ok(X)) -> active#(X) -> active#(s(X)) -> s#(active(X)) top#(ok(X)) -> active#(X) -> active#(s(X)) -> active#(X) top#(ok(X)) -> active#(X) -> active#(cons(X1,X2)) -> cons#(active(X1),X2) top#(ok(X)) -> active#(X) -> active#(cons(X1,X2)) -> active#(X1) top#(ok(X)) -> active#(X) -> active#(f(X)) -> f#(active(X)) top#(ok(X)) -> active#(X) -> active#(f(X)) -> active#(X) top#(ok(X)) -> active#(X) -> active#(f(s(0()))) -> f#(p(s(0()))) top#(ok(X)) -> active#(X) -> active#(f(s(0()))) -> p#(s(0())) top#(ok(X)) -> active#(X) -> active#(f(0())) -> cons#(0(),f(s(0()))) top#(ok(X)) -> active#(X) -> active#(f(0())) -> f#(s(0())) top#(ok(X)) -> active#(X) -> active#(f(0())) -> s#(0()) top#(mark(X)) -> top#(proper(X)) -> top#(ok(X)) -> top#(active(X)) top#(mark(X)) -> top#(proper(X)) -> top#(ok(X)) -> active#(X) top#(mark(X)) -> top#(proper(X)) -> top#(mark(X)) -> top#(proper(X)) top#(mark(X)) -> top#(proper(X)) -> top#(mark(X)) -> proper#(X) top#(mark(X)) -> proper#(X) -> proper#(p(X)) -> p#(proper(X)) top#(mark(X)) -> proper#(X) -> proper#(p(X)) -> proper#(X) top#(mark(X)) -> proper#(X) -> proper#(s(X)) -> s#(proper(X)) top#(mark(X)) -> proper#(X) -> proper#(s(X)) -> proper#(X) top#(mark(X)) -> proper#(X) -> proper#(cons(X1,X2)) -> cons#(proper(X1),proper(X2)) top#(mark(X)) -> proper#(X) -> proper#(cons(X1,X2)) -> proper#(X1) top#(mark(X)) -> proper#(X) -> proper#(cons(X1,X2)) -> proper#(X2) top#(mark(X)) -> proper#(X) -> proper#(f(X)) -> f#(proper(X)) top#(mark(X)) -> proper#(X) -> proper#(f(X)) -> proper#(X) proper#(p(X)) -> proper#(X) -> proper#(p(X)) -> p#(proper(X)) proper#(p(X)) -> proper#(X) -> proper#(p(X)) -> proper#(X) proper#(p(X)) -> proper#(X) -> proper#(s(X)) -> s#(proper(X)) proper#(p(X)) -> proper#(X) -> proper#(s(X)) -> proper#(X) proper#(p(X)) -> proper#(X) -> proper#(cons(X1,X2)) -> cons#(proper(X1),proper(X2)) proper#(p(X)) -> proper#(X) -> proper#(cons(X1,X2)) -> proper#(X1) proper#(p(X)) -> proper#(X) -> proper#(cons(X1,X2)) -> proper#(X2) proper#(p(X)) -> proper#(X) -> proper#(f(X)) -> f#(proper(X)) proper#(p(X)) -> proper#(X) -> proper#(f(X)) -> proper#(X) proper#(p(X)) -> p#(proper(X)) -> p#(ok(X)) -> p#(X) proper#(p(X)) -> p#(proper(X)) -> p#(mark(X)) -> p#(X) proper#(cons(X1,X2)) -> proper#(X2) -> proper#(p(X)) -> p#(proper(X)) proper#(cons(X1,X2)) -> proper#(X2) -> proper#(p(X)) -> proper#(X) proper#(cons(X1,X2)) -> proper#(X2) -> proper#(s(X)) -> s#(proper(X)) proper#(cons(X1,X2)) -> proper#(X2) -> proper#(s(X)) -> proper#(X) proper#(cons(X1,X2)) -> proper#(X2) -> proper#(cons(X1,X2)) -> cons#(proper(X1),proper(X2)) proper#(cons(X1,X2)) -> proper#(X2) -> proper#(cons(X1,X2)) -> proper#(X1) proper#(cons(X1,X2)) -> proper#(X2) -> proper#(cons(X1,X2)) -> proper#(X2) proper#(cons(X1,X2)) -> proper#(X2) -> proper#(f(X)) -> f#(proper(X)) proper#(cons(X1,X2)) -> proper#(X2) -> proper#(f(X)) -> proper#(X) proper#(cons(X1,X2)) -> proper#(X1) -> proper#(p(X)) -> p#(proper(X)) proper#(cons(X1,X2)) -> proper#(X1) -> proper#(p(X)) -> proper#(X) proper#(cons(X1,X2)) -> proper#(X1) -> proper#(s(X)) -> s#(proper(X)) proper#(cons(X1,X2)) -> proper#(X1) -> proper#(s(X)) -> proper#(X) proper#(cons(X1,X2)) -> proper#(X1) -> proper#(cons(X1,X2)) -> cons#(proper(X1),proper(X2)) proper#(cons(X1,X2)) -> proper#(X1) -> proper#(cons(X1,X2)) -> proper#(X1) proper#(cons(X1,X2)) -> proper#(X1) -> proper#(cons(X1,X2)) -> proper#(X2) proper#(cons(X1,X2)) -> proper#(X1) -> proper#(f(X)) -> f#(proper(X)) proper#(cons(X1,X2)) -> proper#(X1) -> proper#(f(X)) -> proper#(X) proper#(cons(X1,X2)) -> cons#(proper(X1),proper(X2)) -> cons#(ok(X1),ok(X2)) -> cons#(X1,X2) proper#(cons(X1,X2)) -> cons#(proper(X1),proper(X2)) -> cons#(mark(X1),X2) -> cons#(X1,X2) proper#(s(X)) -> proper#(X) -> proper#(p(X)) -> p#(proper(X)) proper#(s(X)) -> proper#(X) -> proper#(p(X)) -> proper#(X) proper#(s(X)) -> proper#(X) -> proper#(s(X)) -> s#(proper(X)) proper#(s(X)) -> proper#(X) -> proper#(s(X)) -> proper#(X) proper#(s(X)) -> proper#(X) -> proper#(cons(X1,X2)) -> cons#(proper(X1),proper(X2)) proper#(s(X)) -> proper#(X) -> proper#(cons(X1,X2)) -> proper#(X1) proper#(s(X)) -> proper#(X) -> proper#(cons(X1,X2)) -> proper#(X2) proper#(s(X)) -> proper#(X) -> proper#(f(X)) -> f#(proper(X)) proper#(s(X)) -> proper#(X) -> proper#(f(X)) -> proper#(X) proper#(s(X)) -> s#(proper(X)) -> s#(ok(X)) -> s#(X) proper#(s(X)) -> s#(proper(X)) -> s#(mark(X)) -> s#(X) proper#(f(X)) -> proper#(X) -> proper#(p(X)) -> p#(proper(X)) proper#(f(X)) -> proper#(X) -> proper#(p(X)) -> proper#(X) proper#(f(X)) -> proper#(X) -> proper#(s(X)) -> s#(proper(X)) proper#(f(X)) -> proper#(X) -> proper#(s(X)) -> proper#(X) proper#(f(X)) -> proper#(X) -> proper#(cons(X1,X2)) -> cons#(proper(X1),proper(X2)) proper#(f(X)) -> proper#(X) -> proper#(cons(X1,X2)) -> proper#(X1) proper#(f(X)) -> proper#(X) -> proper#(cons(X1,X2)) -> proper#(X2) proper#(f(X)) -> proper#(X) -> proper#(f(X)) -> f#(proper(X)) proper#(f(X)) -> proper#(X) -> proper#(f(X)) -> proper#(X) proper#(f(X)) -> f#(proper(X)) -> f#(ok(X)) -> f#(X) proper#(f(X)) -> f#(proper(X)) -> f#(mark(X)) -> f#(X) p#(ok(X)) -> p#(X) -> p#(ok(X)) -> p#(X) p#(ok(X)) -> p#(X) -> p#(mark(X)) -> p#(X) p#(mark(X)) -> p#(X) -> p#(ok(X)) -> p#(X) p#(mark(X)) -> p#(X) -> p#(mark(X)) -> p#(X) cons#(ok(X1),ok(X2)) -> cons#(X1,X2) -> cons#(ok(X1),ok(X2)) -> cons#(X1,X2) cons#(ok(X1),ok(X2)) -> cons#(X1,X2) -> cons#(mark(X1),X2) -> cons#(X1,X2) cons#(mark(X1),X2) -> cons#(X1,X2) -> cons#(ok(X1),ok(X2)) -> cons#(X1,X2) cons#(mark(X1),X2) -> cons#(X1,X2) -> cons#(mark(X1),X2) -> cons#(X1,X2) f#(ok(X)) -> f#(X) -> f#(ok(X)) -> f#(X) f#(ok(X)) -> f#(X) -> f#(mark(X)) -> f#(X) f#(mark(X)) -> f#(X) -> f#(ok(X)) -> f#(X) f#(mark(X)) -> f#(X) -> f#(mark(X)) -> f#(X) s#(ok(X)) -> s#(X) -> s#(ok(X)) -> s#(X) s#(ok(X)) -> s#(X) -> s#(mark(X)) -> s#(X) s#(mark(X)) -> s#(X) -> s#(ok(X)) -> s#(X) s#(mark(X)) -> s#(X) -> s#(mark(X)) -> s#(X) active#(p(X)) -> p#(active(X)) -> p#(ok(X)) -> p#(X) active#(p(X)) -> p#(active(X)) -> p#(mark(X)) -> p#(X) active#(p(X)) -> active#(X) -> active#(p(X)) -> p#(active(X)) active#(p(X)) -> active#(X) -> active#(p(X)) -> active#(X) active#(p(X)) -> active#(X) -> active#(s(X)) -> s#(active(X)) active#(p(X)) -> active#(X) -> active#(s(X)) -> active#(X) active#(p(X)) -> active#(X) -> active#(cons(X1,X2)) -> cons#(active(X1),X2) active#(p(X)) -> active#(X) -> active#(cons(X1,X2)) -> active#(X1) active#(p(X)) -> active#(X) -> active#(f(X)) -> f#(active(X)) active#(p(X)) -> active#(X) -> active#(f(X)) -> active#(X) active#(p(X)) -> active#(X) -> active#(f(s(0()))) -> f#(p(s(0()))) active#(p(X)) -> active#(X) -> active#(f(s(0()))) -> p#(s(0())) active#(p(X)) -> active#(X) -> active#(f(0())) -> cons#(0(),f(s(0()))) active#(p(X)) -> active#(X) -> active#(f(0())) -> f#(s(0())) active#(p(X)) -> active#(X) -> active#(f(0())) -> s#(0()) active#(cons(X1,X2)) -> cons#(active(X1),X2) -> cons#(ok(X1),ok(X2)) -> cons#(X1,X2) active#(cons(X1,X2)) -> cons#(active(X1),X2) -> cons#(mark(X1),X2) -> cons#(X1,X2) active#(cons(X1,X2)) -> active#(X1) -> active#(p(X)) -> p#(active(X)) active#(cons(X1,X2)) -> active#(X1) -> active#(p(X)) -> active#(X) active#(cons(X1,X2)) -> active#(X1) -> active#(s(X)) -> s#(active(X)) active#(cons(X1,X2)) -> active#(X1) -> active#(s(X)) -> active#(X) active#(cons(X1,X2)) -> active#(X1) -> active#(cons(X1,X2)) -> cons#(active(X1),X2) active#(cons(X1,X2)) -> active#(X1) -> active#(cons(X1,X2)) -> active#(X1) active#(cons(X1,X2)) -> active#(X1) -> active#(f(X)) -> f#(active(X)) active#(cons(X1,X2)) -> active#(X1) -> active#(f(X)) -> active#(X) active#(cons(X1,X2)) -> active#(X1) -> active#(f(s(0()))) -> f#(p(s(0()))) active#(cons(X1,X2)) -> active#(X1) -> active#(f(s(0()))) -> p#(s(0())) active#(cons(X1,X2)) -> active#(X1) -> active#(f(0())) -> cons#(0(),f(s(0()))) active#(cons(X1,X2)) -> active#(X1) -> active#(f(0())) -> f#(s(0())) active#(cons(X1,X2)) -> active#(X1) -> active#(f(0())) -> s#(0()) active#(s(X)) -> s#(active(X)) -> s#(ok(X)) -> s#(X) active#(s(X)) -> s#(active(X)) -> s#(mark(X)) -> s#(X) active#(s(X)) -> active#(X) -> active#(p(X)) -> p#(active(X)) active#(s(X)) -> active#(X) -> active#(p(X)) -> active#(X) active#(s(X)) -> active#(X) -> active#(s(X)) -> s#(active(X)) active#(s(X)) -> active#(X) -> active#(s(X)) -> active#(X) active#(s(X)) -> active#(X) -> active#(cons(X1,X2)) -> cons#(active(X1),X2) active#(s(X)) -> active#(X) -> active#(cons(X1,X2)) -> active#(X1) active#(s(X)) -> active#(X) -> active#(f(X)) -> f#(active(X)) active#(s(X)) -> active#(X) -> active#(f(X)) -> active#(X) active#(s(X)) -> active#(X) -> active#(f(s(0()))) -> f#(p(s(0()))) active#(s(X)) -> active#(X) -> active#(f(s(0()))) -> p#(s(0())) active#(s(X)) -> active#(X) -> active#(f(0())) -> cons#(0(),f(s(0()))) active#(s(X)) -> active#(X) -> active#(f(0())) -> f#(s(0())) active#(s(X)) -> active#(X) -> active#(f(0())) -> s#(0()) active#(f(s(0()))) -> p#(s(0())) -> p#(ok(X)) -> p#(X) active#(f(s(0()))) -> p#(s(0())) -> p#(mark(X)) -> p#(X) active#(f(s(0()))) -> f#(p(s(0()))) -> f#(ok(X)) -> f#(X) active#(f(s(0()))) -> f#(p(s(0()))) -> f#(mark(X)) -> f#(X) active#(f(0())) -> cons#(0(),f(s(0()))) -> cons#(ok(X1),ok(X2)) -> cons#(X1,X2) active#(f(0())) -> cons#(0(),f(s(0()))) -> cons#(mark(X1),X2) -> cons#(X1,X2) active#(f(0())) -> f#(s(0())) -> f#(ok(X)) -> f#(X) active#(f(0())) -> f#(s(0())) -> f#(mark(X)) -> f#(X) active#(f(0())) -> s#(0()) -> s#(ok(X)) -> s#(X) active#(f(0())) -> s#(0()) -> s#(mark(X)) -> s#(X) active#(f(X)) -> f#(active(X)) -> f#(ok(X)) -> f#(X) active#(f(X)) -> f#(active(X)) -> f#(mark(X)) -> f#(X) active#(f(X)) -> active#(X) -> active#(p(X)) -> p#(active(X)) active#(f(X)) -> active#(X) -> active#(p(X)) -> active#(X) active#(f(X)) -> active#(X) -> active#(s(X)) -> s#(active(X)) active#(f(X)) -> active#(X) -> active#(s(X)) -> active#(X) active#(f(X)) -> active#(X) -> active#(cons(X1,X2)) -> cons#(active(X1),X2) active#(f(X)) -> active#(X) -> active#(cons(X1,X2)) -> active#(X1) active#(f(X)) -> active#(X) -> active#(f(X)) -> f#(active(X)) active#(f(X)) -> active#(X) -> active#(f(X)) -> active#(X) active#(f(X)) -> active#(X) -> active#(f(s(0()))) -> f#(p(s(0()))) active#(f(X)) -> active#(X) -> active#(f(s(0()))) -> p#(s(0())) active#(f(X)) -> active#(X) -> active#(f(0())) -> cons#(0(),f(s(0()))) active#(f(X)) -> active#(X) -> active#(f(0())) -> f#(s(0())) active#(f(X)) -> active#(X) -> active#(f(0())) -> s#(0()) SCC Processor: #sccs: 7 #rules: 19 #arcs: 169/1156 DPs: top#(ok(X)) -> top#(active(X)) top#(mark(X)) -> top#(proper(X)) TRS: active(f(0())) -> mark(cons(0(),f(s(0())))) active(f(s(0()))) -> mark(f(p(s(0())))) active(p(s(X))) -> mark(X) active(f(X)) -> f(active(X)) active(cons(X1,X2)) -> cons(active(X1),X2) active(s(X)) -> s(active(X)) active(p(X)) -> p(active(X)) f(mark(X)) -> mark(f(X)) cons(mark(X1),X2) -> mark(cons(X1,X2)) s(mark(X)) -> mark(s(X)) p(mark(X)) -> mark(p(X)) proper(f(X)) -> f(proper(X)) proper(0()) -> ok(0()) proper(cons(X1,X2)) -> cons(proper(X1),proper(X2)) proper(s(X)) -> s(proper(X)) proper(p(X)) -> p(proper(X)) f(ok(X)) -> ok(f(X)) cons(ok(X1),ok(X2)) -> ok(cons(X1,X2)) s(ok(X)) -> ok(s(X)) p(ok(X)) -> ok(p(X)) top(mark(X)) -> top(proper(X)) top(ok(X)) -> top(active(X)) Open DPs: active#(f(X)) -> active#(X) active#(cons(X1,X2)) -> active#(X1) active#(s(X)) -> active#(X) active#(p(X)) -> active#(X) TRS: active(f(0())) -> mark(cons(0(),f(s(0())))) active(f(s(0()))) -> mark(f(p(s(0())))) active(p(s(X))) -> mark(X) active(f(X)) -> f(active(X)) active(cons(X1,X2)) -> cons(active(X1),X2) active(s(X)) -> s(active(X)) active(p(X)) -> p(active(X)) f(mark(X)) -> mark(f(X)) cons(mark(X1),X2) -> mark(cons(X1,X2)) s(mark(X)) -> mark(s(X)) p(mark(X)) -> mark(p(X)) proper(f(X)) -> f(proper(X)) proper(0()) -> ok(0()) proper(cons(X1,X2)) -> cons(proper(X1),proper(X2)) proper(s(X)) -> s(proper(X)) proper(p(X)) -> p(proper(X)) f(ok(X)) -> ok(f(X)) cons(ok(X1),ok(X2)) -> ok(cons(X1,X2)) s(ok(X)) -> ok(s(X)) p(ok(X)) -> ok(p(X)) top(mark(X)) -> top(proper(X)) top(ok(X)) -> top(active(X)) Subterm Criterion Processor: simple projection: pi(active#) = 0 problem: DPs: TRS: active(f(0())) -> mark(cons(0(),f(s(0())))) active(f(s(0()))) -> mark(f(p(s(0())))) active(p(s(X))) -> mark(X) active(f(X)) -> f(active(X)) active(cons(X1,X2)) -> cons(active(X1),X2) active(s(X)) -> s(active(X)) active(p(X)) -> p(active(X)) f(mark(X)) -> mark(f(X)) cons(mark(X1),X2) -> mark(cons(X1,X2)) s(mark(X)) -> mark(s(X)) p(mark(X)) -> mark(p(X)) proper(f(X)) -> f(proper(X)) proper(0()) -> ok(0()) proper(cons(X1,X2)) -> cons(proper(X1),proper(X2)) proper(s(X)) -> s(proper(X)) proper(p(X)) -> p(proper(X)) f(ok(X)) -> ok(f(X)) cons(ok(X1),ok(X2)) -> ok(cons(X1,X2)) s(ok(X)) -> ok(s(X)) p(ok(X)) -> ok(p(X)) top(mark(X)) -> top(proper(X)) top(ok(X)) -> top(active(X)) Qed DPs: proper#(f(X)) -> proper#(X) proper#(cons(X1,X2)) -> proper#(X2) proper#(cons(X1,X2)) -> proper#(X1) proper#(s(X)) -> proper#(X) proper#(p(X)) -> proper#(X) TRS: active(f(0())) -> mark(cons(0(),f(s(0())))) active(f(s(0()))) -> mark(f(p(s(0())))) active(p(s(X))) -> mark(X) active(f(X)) -> f(active(X)) active(cons(X1,X2)) -> cons(active(X1),X2) active(s(X)) -> s(active(X)) active(p(X)) -> p(active(X)) f(mark(X)) -> mark(f(X)) cons(mark(X1),X2) -> mark(cons(X1,X2)) s(mark(X)) -> mark(s(X)) p(mark(X)) -> mark(p(X)) proper(f(X)) -> f(proper(X)) proper(0()) -> ok(0()) proper(cons(X1,X2)) -> cons(proper(X1),proper(X2)) proper(s(X)) -> s(proper(X)) proper(p(X)) -> p(proper(X)) f(ok(X)) -> ok(f(X)) cons(ok(X1),ok(X2)) -> ok(cons(X1,X2)) s(ok(X)) -> ok(s(X)) p(ok(X)) -> ok(p(X)) top(mark(X)) -> top(proper(X)) top(ok(X)) -> top(active(X)) Subterm Criterion Processor: simple projection: pi(proper#) = 0 problem: DPs: TRS: active(f(0())) -> mark(cons(0(),f(s(0())))) active(f(s(0()))) -> mark(f(p(s(0())))) active(p(s(X))) -> mark(X) active(f(X)) -> f(active(X)) active(cons(X1,X2)) -> cons(active(X1),X2) active(s(X)) -> s(active(X)) active(p(X)) -> p(active(X)) f(mark(X)) -> mark(f(X)) cons(mark(X1),X2) -> mark(cons(X1,X2)) s(mark(X)) -> mark(s(X)) p(mark(X)) -> mark(p(X)) proper(f(X)) -> f(proper(X)) proper(0()) -> ok(0()) proper(cons(X1,X2)) -> cons(proper(X1),proper(X2)) proper(s(X)) -> s(proper(X)) proper(p(X)) -> p(proper(X)) f(ok(X)) -> ok(f(X)) cons(ok(X1),ok(X2)) -> ok(cons(X1,X2)) s(ok(X)) -> ok(s(X)) p(ok(X)) -> ok(p(X)) top(mark(X)) -> top(proper(X)) top(ok(X)) -> top(active(X)) Qed DPs: p#(mark(X)) -> p#(X) p#(ok(X)) -> p#(X) TRS: active(f(0())) -> mark(cons(0(),f(s(0())))) active(f(s(0()))) -> mark(f(p(s(0())))) active(p(s(X))) -> mark(X) active(f(X)) -> f(active(X)) active(cons(X1,X2)) -> cons(active(X1),X2) active(s(X)) -> s(active(X)) active(p(X)) -> p(active(X)) f(mark(X)) -> mark(f(X)) cons(mark(X1),X2) -> mark(cons(X1,X2)) s(mark(X)) -> mark(s(X)) p(mark(X)) -> mark(p(X)) proper(f(X)) -> f(proper(X)) proper(0()) -> ok(0()) proper(cons(X1,X2)) -> cons(proper(X1),proper(X2)) proper(s(X)) -> s(proper(X)) proper(p(X)) -> p(proper(X)) f(ok(X)) -> ok(f(X)) cons(ok(X1),ok(X2)) -> ok(cons(X1,X2)) s(ok(X)) -> ok(s(X)) p(ok(X)) -> ok(p(X)) top(mark(X)) -> top(proper(X)) top(ok(X)) -> top(active(X)) Subterm Criterion Processor: simple projection: pi(p#) = 0 problem: DPs: TRS: active(f(0())) -> mark(cons(0(),f(s(0())))) active(f(s(0()))) -> mark(f(p(s(0())))) active(p(s(X))) -> mark(X) active(f(X)) -> f(active(X)) active(cons(X1,X2)) -> cons(active(X1),X2) active(s(X)) -> s(active(X)) active(p(X)) -> p(active(X)) f(mark(X)) -> mark(f(X)) cons(mark(X1),X2) -> mark(cons(X1,X2)) s(mark(X)) -> mark(s(X)) p(mark(X)) -> mark(p(X)) proper(f(X)) -> f(proper(X)) proper(0()) -> ok(0()) proper(cons(X1,X2)) -> cons(proper(X1),proper(X2)) proper(s(X)) -> s(proper(X)) proper(p(X)) -> p(proper(X)) f(ok(X)) -> ok(f(X)) cons(ok(X1),ok(X2)) -> ok(cons(X1,X2)) s(ok(X)) -> ok(s(X)) p(ok(X)) -> ok(p(X)) top(mark(X)) -> top(proper(X)) top(ok(X)) -> top(active(X)) Qed DPs: s#(mark(X)) -> s#(X) s#(ok(X)) -> s#(X) TRS: active(f(0())) -> mark(cons(0(),f(s(0())))) active(f(s(0()))) -> mark(f(p(s(0())))) active(p(s(X))) -> mark(X) active(f(X)) -> f(active(X)) active(cons(X1,X2)) -> cons(active(X1),X2) active(s(X)) -> s(active(X)) active(p(X)) -> p(active(X)) f(mark(X)) -> mark(f(X)) cons(mark(X1),X2) -> mark(cons(X1,X2)) s(mark(X)) -> mark(s(X)) p(mark(X)) -> mark(p(X)) proper(f(X)) -> f(proper(X)) proper(0()) -> ok(0()) proper(cons(X1,X2)) -> cons(proper(X1),proper(X2)) proper(s(X)) -> s(proper(X)) proper(p(X)) -> p(proper(X)) f(ok(X)) -> ok(f(X)) cons(ok(X1),ok(X2)) -> ok(cons(X1,X2)) s(ok(X)) -> ok(s(X)) p(ok(X)) -> ok(p(X)) top(mark(X)) -> top(proper(X)) top(ok(X)) -> top(active(X)) Subterm Criterion Processor: simple projection: pi(s#) = 0 problem: DPs: TRS: active(f(0())) -> mark(cons(0(),f(s(0())))) active(f(s(0()))) -> mark(f(p(s(0())))) active(p(s(X))) -> mark(X) active(f(X)) -> f(active(X)) active(cons(X1,X2)) -> cons(active(X1),X2) active(s(X)) -> s(active(X)) active(p(X)) -> p(active(X)) f(mark(X)) -> mark(f(X)) cons(mark(X1),X2) -> mark(cons(X1,X2)) s(mark(X)) -> mark(s(X)) p(mark(X)) -> mark(p(X)) proper(f(X)) -> f(proper(X)) proper(0()) -> ok(0()) proper(cons(X1,X2)) -> cons(proper(X1),proper(X2)) proper(s(X)) -> s(proper(X)) proper(p(X)) -> p(proper(X)) f(ok(X)) -> ok(f(X)) cons(ok(X1),ok(X2)) -> ok(cons(X1,X2)) s(ok(X)) -> ok(s(X)) p(ok(X)) -> ok(p(X)) top(mark(X)) -> top(proper(X)) top(ok(X)) -> top(active(X)) Qed DPs: cons#(mark(X1),X2) -> cons#(X1,X2) cons#(ok(X1),ok(X2)) -> cons#(X1,X2) TRS: active(f(0())) -> mark(cons(0(),f(s(0())))) active(f(s(0()))) -> mark(f(p(s(0())))) active(p(s(X))) -> mark(X) active(f(X)) -> f(active(X)) active(cons(X1,X2)) -> cons(active(X1),X2) active(s(X)) -> s(active(X)) active(p(X)) -> p(active(X)) f(mark(X)) -> mark(f(X)) cons(mark(X1),X2) -> mark(cons(X1,X2)) s(mark(X)) -> mark(s(X)) p(mark(X)) -> mark(p(X)) proper(f(X)) -> f(proper(X)) proper(0()) -> ok(0()) proper(cons(X1,X2)) -> cons(proper(X1),proper(X2)) proper(s(X)) -> s(proper(X)) proper(p(X)) -> p(proper(X)) f(ok(X)) -> ok(f(X)) cons(ok(X1),ok(X2)) -> ok(cons(X1,X2)) s(ok(X)) -> ok(s(X)) p(ok(X)) -> ok(p(X)) top(mark(X)) -> top(proper(X)) top(ok(X)) -> top(active(X)) Subterm Criterion Processor: simple projection: pi(cons#) = 1 problem: DPs: cons#(mark(X1),X2) -> cons#(X1,X2) TRS: active(f(0())) -> mark(cons(0(),f(s(0())))) active(f(s(0()))) -> mark(f(p(s(0())))) active(p(s(X))) -> mark(X) active(f(X)) -> f(active(X)) active(cons(X1,X2)) -> cons(active(X1),X2) active(s(X)) -> s(active(X)) active(p(X)) -> p(active(X)) f(mark(X)) -> mark(f(X)) cons(mark(X1),X2) -> mark(cons(X1,X2)) s(mark(X)) -> mark(s(X)) p(mark(X)) -> mark(p(X)) proper(f(X)) -> f(proper(X)) proper(0()) -> ok(0()) proper(cons(X1,X2)) -> cons(proper(X1),proper(X2)) proper(s(X)) -> s(proper(X)) proper(p(X)) -> p(proper(X)) f(ok(X)) -> ok(f(X)) cons(ok(X1),ok(X2)) -> ok(cons(X1,X2)) s(ok(X)) -> ok(s(X)) p(ok(X)) -> ok(p(X)) top(mark(X)) -> top(proper(X)) top(ok(X)) -> top(active(X)) Subterm Criterion Processor: simple projection: pi(cons#) = 0 problem: DPs: TRS: active(f(0())) -> mark(cons(0(),f(s(0())))) active(f(s(0()))) -> mark(f(p(s(0())))) active(p(s(X))) -> mark(X) active(f(X)) -> f(active(X)) active(cons(X1,X2)) -> cons(active(X1),X2) active(s(X)) -> s(active(X)) active(p(X)) -> p(active(X)) f(mark(X)) -> mark(f(X)) cons(mark(X1),X2) -> mark(cons(X1,X2)) s(mark(X)) -> mark(s(X)) p(mark(X)) -> mark(p(X)) proper(f(X)) -> f(proper(X)) proper(0()) -> ok(0()) proper(cons(X1,X2)) -> cons(proper(X1),proper(X2)) proper(s(X)) -> s(proper(X)) proper(p(X)) -> p(proper(X)) f(ok(X)) -> ok(f(X)) cons(ok(X1),ok(X2)) -> ok(cons(X1,X2)) s(ok(X)) -> ok(s(X)) p(ok(X)) -> ok(p(X)) top(mark(X)) -> top(proper(X)) top(ok(X)) -> top(active(X)) Qed DPs: f#(mark(X)) -> f#(X) f#(ok(X)) -> f#(X) TRS: active(f(0())) -> mark(cons(0(),f(s(0())))) active(f(s(0()))) -> mark(f(p(s(0())))) active(p(s(X))) -> mark(X) active(f(X)) -> f(active(X)) active(cons(X1,X2)) -> cons(active(X1),X2) active(s(X)) -> s(active(X)) active(p(X)) -> p(active(X)) f(mark(X)) -> mark(f(X)) cons(mark(X1),X2) -> mark(cons(X1,X2)) s(mark(X)) -> mark(s(X)) p(mark(X)) -> mark(p(X)) proper(f(X)) -> f(proper(X)) proper(0()) -> ok(0()) proper(cons(X1,X2)) -> cons(proper(X1),proper(X2)) proper(s(X)) -> s(proper(X)) proper(p(X)) -> p(proper(X)) f(ok(X)) -> ok(f(X)) cons(ok(X1),ok(X2)) -> ok(cons(X1,X2)) s(ok(X)) -> ok(s(X)) p(ok(X)) -> ok(p(X)) top(mark(X)) -> top(proper(X)) top(ok(X)) -> top(active(X)) Subterm Criterion Processor: simple projection: pi(f#) = 0 problem: DPs: TRS: active(f(0())) -> mark(cons(0(),f(s(0())))) active(f(s(0()))) -> mark(f(p(s(0())))) active(p(s(X))) -> mark(X) active(f(X)) -> f(active(X)) active(cons(X1,X2)) -> cons(active(X1),X2) active(s(X)) -> s(active(X)) active(p(X)) -> p(active(X)) f(mark(X)) -> mark(f(X)) cons(mark(X1),X2) -> mark(cons(X1,X2)) s(mark(X)) -> mark(s(X)) p(mark(X)) -> mark(p(X)) proper(f(X)) -> f(proper(X)) proper(0()) -> ok(0()) proper(cons(X1,X2)) -> cons(proper(X1),proper(X2)) proper(s(X)) -> s(proper(X)) proper(p(X)) -> p(proper(X)) f(ok(X)) -> ok(f(X)) cons(ok(X1),ok(X2)) -> ok(cons(X1,X2)) s(ok(X)) -> ok(s(X)) p(ok(X)) -> ok(p(X)) top(mark(X)) -> top(proper(X)) top(ok(X)) -> top(active(X)) Qed