Input TRS:
    1: half(0()) -> 0()
    2: half(s(s(x))) -> s(half(x))
    3: log(s(0())) -> 0()
    4: log(s(s(x))) -> s(log(s(half(x))))
Number of strict rules: 4
Direct Order(PosReal,>,Poly) ... removes: 4 1 3 2
     s(x1)	weight: (/ 3 16) + x1
  half(x1)	weight: (/ 1 16) + x1
   log(x1)	weight: 7719 + 2 * x1
     0()	weight: 0
Number of strict rules: 0
YES