MAYBE
0.08/0.19	MAYBE
0.08/0.19	
0.08/0.19	Problem:
0.08/0.19	 prod(xs) -> prodIter(xs,s(0()))
0.08/0.19	 prodIter(xs,x) -> ifProd(isempty(xs),xs,x)
0.08/0.19	 ifProd(true(),xs,x) -> x
0.08/0.19	 ifProd(false(),xs,x) -> prodIter(tail(xs),times(x,head(xs)))
0.08/0.19	 plus(0(),y) -> y
0.08/0.19	 plus(s(x),y) -> s(plus(x,y))
0.08/0.19	 times(x,y) -> timesIter(x,y,0(),0())
0.08/0.19	 timesIter(x,y,z,u) -> ifTimes(ge(u,x),x,y,z,u)
0.08/0.19	 ifTimes(true(),x,y,z,u) -> z
0.08/0.19	 ifTimes(false(),x,y,z,u) -> timesIter(x,y,plus(y,z),s(u))
0.08/0.19	 isempty(nil()) -> true()
0.08/0.19	 isempty(cons(x,xs)) -> false()
0.08/0.19	 head(nil()) -> error()
0.08/0.19	 head(cons(x,xs)) -> x
0.08/0.19	 tail(nil()) -> nil()
0.08/0.19	 tail(cons(x,xs)) -> xs
0.08/0.19	 ge(x,0()) -> true()
0.08/0.19	 ge(0(),s(y)) -> false()
0.08/0.19	 ge(s(x),s(y)) -> ge(x,y)
0.08/0.19	 a() -> b()
0.08/0.19	 a() -> c()
0.08/0.19	
0.08/0.19	Proof:
0.08/0.19	 Open
0.08/0.19	EOF