MAYBE 'epo* (timeout of 60.0 seconds)' -------------------------------- Answer: MAYBE Input Problem: innermost runtime-complexity with respect to Rules: { a__nats() -> a__adx(a__zeros()) , a__zeros() -> cons(0(), zeros()) , a__incr(cons(X, Y)) -> cons(s(X), incr(Y)) , a__adx(cons(X, Y)) -> a__incr(cons(X, adx(Y))) , a__hd(cons(X, Y)) -> mark(X) , a__tl(cons(X, Y)) -> mark(Y) , mark(nats()) -> a__nats() , mark(adx(X)) -> a__adx(mark(X)) , mark(zeros()) -> a__zeros() , mark(incr(X)) -> a__incr(mark(X)) , mark(hd(X)) -> a__hd(mark(X)) , mark(tl(X)) -> a__tl(mark(X)) , mark(cons(X1, X2)) -> cons(X1, X2) , mark(0()) -> 0() , mark(s(X)) -> s(X) , a__nats() -> nats() , a__adx(X) -> adx(X) , a__zeros() -> zeros() , a__incr(X) -> incr(X) , a__hd(X) -> hd(X) , a__tl(X) -> tl(X)} Proof Output: The input cannot be shown compatible