MAYBE

We are left with following problem, upon which TcT provides the
certificate MAYBE.

Strict Trs:
  { f(x, y, s(z)) -> s(f(0(), 1(), z))
  , f(0(), 1(), x) -> f(s(x), x, x) }
Obligation:
  innermost runtime complexity
Answer:
  MAYBE

The input cannot be shown compatible

Arrrr..