MAYBE
* Step 1: Failure MAYBE
  + Considered Problem:
      - Strict TRS:
          a(a(f(x,y))) -> f(a(b(a(b(a(x))))),a(b(a(b(a(y))))))
          f(a(x),a(y)) -> a(f(x,y))
          f(b(x),b(y)) -> b(f(x,y))
      - Signature:
          {a/1,f/2} / {b/1}
      - Obligation:
          innermost runtime complexity wrt. defined symbols {a,f} and constructors {b}
  + Applied Processor:
      Ara {heuristics_ = NoHeuristics, minDegree = 1, maxDegree = 3, araTimeout = 60, araFindStrictRules = Nothing, araSmtSolver = MiniSMT}
  + Details:
      The input can not be schown compatible.
MAYBE