TRS:
 {quot(0(), s(y), s(z)) -> 0(),
    quot(s(x), s(y), z) -> quot(x, y, z),
           plus(0(), y) -> y,
          plus(s(x), y) -> s(plus(x, y)),
     quot(x, 0(), s(z)) -> s(quot(x, plus(z, s(0())), s(z)))}
 Fail