TIMEOUT

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

Strict Trs:
  { f(x, empty()) -> x
  , f(empty(), cons(a, k)) -> f(cons(a, k), k)
  , f(cons(a, k), y) -> f(y, k) }
Obligation:
  runtime complexity
Answer:
  TIMEOUT

Computation stopped due to timeout after 300.0 seconds.

Arrrr..