MAYBE 'epo* (timeout of 60.0 seconds)' -------------------------------- Answer: MAYBE Input Problem: innermost runtime-complexity with respect to Rules: { fib(N) -> sel(N, fib1(s(0()), s(0()))) , fib1(X, Y) -> cons(X, fib1(Y, add(X, Y))) , add(0(), X) -> X , add(s(X), Y) -> s(add(X, Y)) , sel(0(), cons(X, XS)) -> X , sel(s(N), cons(X, XS)) -> sel(N, XS)} Proof Output: The input cannot be shown compatible