TRS:
 {          div(x, s(y)) -> d(x, s(y), 0()),
           d(x, s(y), z) -> cond(ge(x, z), x, y, z),
   cond(true(), x, y, z) -> s(d(x, s(y), plus(s(y), z))),
  cond(false(), x, y, z) -> 0(),
              ge(u, 0()) -> true(),
           ge(0(), s(v)) -> false(),
          ge(s(u), s(v)) -> ge(u, v),
            plus(n, 0()) -> n,
           plus(n, s(m)) -> s(plus(n, m))}
 Fail