MAYBE
* Step 1: FromIts MAYBE
    + Considered Problem:
        Rules:
          0. eval(A,B)  -> eval(D,B) [A >= 0              (?,1)
                                      && B >= 0                
                                      && B >= 1 + A            
                                      && A + B >= 2*C          
                                      && 3*C >= 1 + A + B      
                                      && D >= 1 + C            
                                      && A + B >= 2*E          
                                      && 3*E >= 1 + A + B      
                                      && 1 + E >= D]           
          1. eval(A,B)  -> eval(A,D) [A >= 0              (?,1)
                                      && B >= 0                
                                      && B >= 1 + A            
                                      && A + B >= 2*C          
                                      && 3*C >= 1 + A + B      
                                      && D >= C                
                                      && A + B >= 2*E          
                                      && 3*E >= 1 + A + B      
                                      && E >= D]               
          2. start(A,B) -> eval(A,B) True                 (1,1)
        Signature:
          {(eval,2);(start,2)}
        Flow Graph:
          [0->{0,1},1->{0,1},2->{0,1}]
        
    + Applied Processor:
        FromIts
    + Details:
        ()
* Step 2: AddSinks MAYBE
    + Considered Problem:
        Rules:
          eval(A,B)  -> eval(D,B)  [A >= 0
                                    && B >= 0
                                    && B >= 1 + A
                                    && A + B >= 2*C
                                    && 3*C >= 1 + A + B
                                    && D >= 1 + C
                                    && A + B >= 2*E
                                    && 3*E >= 1 + A + B
                                    && 1 + E >= D]
          eval(A,B)  -> eval(A,D)  [A >= 0
                                    && B >= 0
                                    && B >= 1 + A
                                    && A + B >= 2*C
                                    && 3*C >= 1 + A + B
                                    && D >= C
                                    && A + B >= 2*E
                                    && 3*E >= 1 + A + B
                                    && E >= D]
          start(A,B) -> eval(A,B)  True
        Signature:
          {(eval,2);(start,2)}
        Rule Graph:
          [0->{0,1},1->{0,1},2->{0,1}]
    + Applied Processor:
        AddSinks
    + Details:
        ()
* Step 3: Failure MAYBE
  + Considered Problem:
      Rules:
        eval(A,B)  -> eval(D,B)       [A >= 0
                                       && B >= 0
                                       && B >= 1 + A
                                       && A + B >= 2*C
                                       && 3*C >= 1 + A + B
                                       && D >= 1 + C
                                       && A + B >= 2*E
                                       && 3*E >= 1 + A + B
                                       && 1 + E >= D]
        eval(A,B)  -> eval(A,D)       [A >= 0
                                       && B >= 0
                                       && B >= 1 + A
                                       && A + B >= 2*C
                                       && 3*C >= 1 + A + B
                                       && D >= C
                                       && A + B >= 2*E
                                       && 3*E >= 1 + A + B
                                       && E >= D]
        start(A,B) -> eval(A,B)       True
        eval(A,B)  -> exitus616(A,B)  True
        eval(A,B)  -> exitus616(A,B)  True
      Signature:
        {(eval,2);(exitus616,2);(start,2)}
      Rule Graph:
        [0->{0,1,3},1->{0,1,4},2->{0,1}]
  + Applied Processor:
      Decompose Greedy
  + Details:
      We construct a looptree:
        P: [0,1,2,3,4]
        |
        `- p:[0,1] c: [1]
           |
           `- p:[0] c: []
MAYBE