18.47/8.61	MAYBE
18.47/8.61	(UNSUPPORTED)
18.47/8.61	ConCon could not decide confluence of the system.
18.47/8.61	\cite{ALS94}, Theorem 4.1 does not apply.
18.47/8.61	This system is of type 3 or smaller.
18.47/8.61	This system is absolutely deterministic.
18.47/8.61	The external tool could not decide termination of the system.
18.47/8.61	Call external tool:
18.47/8.61	./ttt2.sh
18.47/8.61	Input:
18.47/8.61	(VAR x y ys)
18.47/8.61	(RULES
18.47/8.61	  lt(x, 0) -> false
18.47/8.61	  lt(0, s(y)) -> true
18.47/8.61	  lt(s(x), s(y)) -> lt(x, y)
18.47/8.61	  cons(x, cons(y, ys)) -> U1(lt(x, y), x, y, ys)
18.47/8.61	  U1(true, x, y, ys) -> cons(y, cons(x, ys))
18.47/8.61	)
18.47/8.61	
18.47/8.62	EOF