(GOAL COMPLEXITY) (STARTTERM CONSTRUCTORBASED) (VAR x xs xs' ys ) (STRATEGY INNERMOST) (RULES addlist(Cons(x, xs'), Cons(S(0), xs)) -> Cons(S(x), addlist(xs', xs)) addlist(Cons(S(0), xs'), Cons(x, xs)) -> Cons(S(x), addlist(xs', xs)) addlist(Nil, ys) -> Nil notEmpty(Cons(x, xs)) -> True notEmpty(Nil) -> False goal(xs, ys) -> addlist(xs, ys) )