MAYBE

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

Strict Trs:
  { f(s(x1)) -> s(s(f(p(s(x1)))))
  , f(0(x1)) -> 0(x1)
  , p(s(x1)) -> x1 }
Obligation:
  innermost runtime complexity
Answer:
  MAYBE

The input cannot be shown compatible

Arrrr..