WORST_CASE(?,O(n^1))
* Step 1: Ara WORST_CASE(?,O(n^1))
    + Considered Problem:
        - Strict TRS:
            average(x,s(s(s(y)))) -> s(average(s(x),y))
            average(0(),0()) -> 0()
            average(0(),s(0())) -> 0()
            average(0(),s(s(0()))) -> s(0())
            average(s(x),y) -> average(x,s(y))
        - Signature:
            {average/2} / {0/0,s/1}
        - Obligation:
            innermost runtime complexity wrt. defined symbols {average} and constructors {0,s}
    + Applied Processor:
        Ara {heuristics_ = NoHeuristics, minDegree = 1, maxDegree = 3, araTimeout = 60, araFindStrictRules = Nothing, araSmtSolver = Z3}
    + Details:
        Signatures used:
        ----------------
          0 :: [] -(0)-> A(2)
          0 :: [] -(0)-> A(1)
          0 :: [] -(0)-> A(7)
          0 :: [] -(0)-> A(13)
          average :: [A(2) x A(1)] -(4)-> A(0)
          s :: [A(1)] -(1)-> A(1)
          s :: [A(2)] -(2)-> A(2)
          s :: [A(0)] -(0)-> A(0)
        
        
        Cost-free Signatures used:
        --------------------------
          0 :: [] -(0)-> A_cf(0)
          average :: [A_cf(0) x A_cf(0)] -(0)-> A_cf(0)
          s :: [A_cf(0)] -(0)-> A_cf(0)
        
        
        Base Constructor Signatures used:
        ---------------------------------
          0_A :: [] -(0)-> A(1)
          s_A :: [A(1)] -(1)-> A(1)
        
* Step 2: Open MAYBE
    - Strict TRS:
        average(x,s(s(s(y)))) -> s(average(s(x),y))
        average(0(),0()) -> 0()
        average(0(),s(0())) -> 0()
        average(0(),s(s(0()))) -> s(0())
        average(s(x),y) -> average(x,s(y))
    - Signature:
        {average/2} / {0/0,s/1}
    - Obligation:
        innermost runtime complexity wrt. defined symbols {average} and constructors {0,s}
Following problems could not be solved:
  - Strict TRS:
      average(x,s(s(s(y)))) -> s(average(s(x),y))
      average(0(),0()) -> 0()
      average(0(),s(0())) -> 0()
      average(0(),s(s(0()))) -> s(0())
      average(s(x),y) -> average(x,s(y))
  - Signature:
      {average/2} / {0/0,s/1}
  - Obligation:
      innermost runtime complexity wrt. defined symbols {average} and constructors {0,s}
WORST_CASE(?,O(n^1))