MAYBE 'Pop* with parameter subtitution (timeout of 60.0 seconds)' ----------------------------------------------------------- Answer: MAYBE Input Problem: innermost runtime-complexity with respect to Rules: { from(X) -> cons(X, n__from(s(X))) , first(0(), Z) -> nil() , first(s(X), cons(Y, Z)) -> cons(Y, n__first(X, activate(Z))) , sel(0(), cons(X, Z)) -> X , sel(s(X), cons(Y, Z)) -> sel(X, activate(Z)) , from(X) -> n__from(X) , first(X1, X2) -> n__first(X1, X2) , activate(n__from(X)) -> from(X) , activate(n__first(X1, X2)) -> first(X1, X2) , activate(X) -> X} Proof Output: The input cannot be shown compatible