MAYBE
* Step 1: Failure MAYBE
  + Considered Problem:
      Rules:
        0. start(A) -> eval(A) True                                       (1,1)
        1. eval(A)  -> eval(B) [A >= 0 && 2*A + B >= 10 && 10 >= 2*A + B] (?,1)
      Signature:
        {(eval,1);(start,1)}
      Flow Graph:
        [0->{1},1->{1}]
      
  + Applied Processor:
      Failing "Open problems left."
  + Details:
      Open problems left.
MAYBE