Input TRS:
    1: intlist(nil()) -> nil()
    2: int(s(x),0()) -> nil()
    3: int(x,x) -> cons(x,nil())
    4: intlist(cons(x,y)) -> cons(s(x),intlist(y))
    5: int(s(x),s(y)) -> intlist(int(x,y))
    6: int(0(),s(y)) -> cons(0(),int(s(0()),s(y)))
    7: intlist(cons(x,nil())) -> cons(s(x),nil())
Number of Rules: 7
Direct QTKBOS ... failed.