MAYBE 'Pop* (timeout of 60.0 seconds)' -------------------------------- Answer: MAYBE Input Problem: innermost runtime-complexity with respect to Rules: { a__app(nil(), YS) -> mark(YS) , a__app(cons(X, XS), YS) -> cons(mark(X), app(XS, YS)) , a__from(X) -> cons(mark(X), from(s(X))) , a__zWadr(nil(), YS) -> nil() , a__zWadr(XS, nil()) -> nil() , a__zWadr(cons(X, XS), cons(Y, YS)) -> cons(a__app(mark(Y), cons(mark(X), nil())), zWadr(XS, YS)) , a__prefix(L) -> cons(nil(), zWadr(L, prefix(L))) , mark(app(X1, X2)) -> a__app(mark(X1), mark(X2)) , mark(from(X)) -> a__from(mark(X)) , mark(zWadr(X1, X2)) -> a__zWadr(mark(X1), mark(X2)) , mark(prefix(X)) -> a__prefix(mark(X)) , mark(nil()) -> nil() , mark(cons(X1, X2)) -> cons(mark(X1), X2) , mark(s(X)) -> s(mark(X)) , a__app(X1, X2) -> app(X1, X2) , a__from(X) -> from(X) , a__zWadr(X1, X2) -> zWadr(X1, X2) , a__prefix(X) -> prefix(X)} Proof Output: The input cannot be shown compatible