MAYBE
* Step 1: UnsatPaths MAYBE
    + Considered Problem:
        Rules:
          0. f2(A,B,C,D,E,F,G,H,I,J,K)   -> f2(A,L,M,N,F,F,G,H,I,J,K) [-1 + H >= 0 && A >= 2] (?,1)
          1. f2(A,B,C,D,E,F,G,H,I,J,K)   -> f1(A,L,M,D,E,F,N,H,I,J,K) [-1 + H >= 0 && 1 >= A] (?,1)
          2. f300(A,B,C,D,E,F,G,H,I,J,K) -> f2(A,L,M,N,O,O,G,H,P,Q,R) [H >= 1]                (1,1)
          3. f300(A,B,C,D,E,F,G,H,I,J,K) -> f1(A,L,M,D,N,P,O,H,Q,N,R) [0 >= H]                (1,1)
        Signature:
          {(f1,11);(f2,11);(f300,11)}
        Flow Graph:
          [0->{0,1},1->{},2->{0,1},3->{}]
        
    + Applied Processor:
        UnsatPaths
    + Details:
        We remove following edges from the transition graph: [(0,1)]
* Step 2: TrivialSCCs MAYBE
    + Considered Problem:
        Rules:
          0. f2(A,B,C,D,E,F,G,H,I,J,K)   -> f2(A,L,M,N,F,F,G,H,I,J,K) [-1 + H >= 0 && A >= 2] (?,1)
          1. f2(A,B,C,D,E,F,G,H,I,J,K)   -> f1(A,L,M,D,E,F,N,H,I,J,K) [-1 + H >= 0 && 1 >= A] (?,1)
          2. f300(A,B,C,D,E,F,G,H,I,J,K) -> f2(A,L,M,N,O,O,G,H,P,Q,R) [H >= 1]                (1,1)
          3. f300(A,B,C,D,E,F,G,H,I,J,K) -> f1(A,L,M,D,N,P,O,H,Q,N,R) [0 >= H]                (1,1)
        Signature:
          {(f1,11);(f2,11);(f300,11)}
        Flow Graph:
          [0->{0},1->{},2->{0,1},3->{}]
        
    + Applied Processor:
        TrivialSCCs
    + Details:
        All trivial SCCs of the transition graph admit timebound 1.
* Step 3: Failure MAYBE
  + Considered Problem:
      Rules:
        0. f2(A,B,C,D,E,F,G,H,I,J,K)   -> f2(A,L,M,N,F,F,G,H,I,J,K) [-1 + H >= 0 && A >= 2] (?,1)
        1. f2(A,B,C,D,E,F,G,H,I,J,K)   -> f1(A,L,M,D,E,F,N,H,I,J,K) [-1 + H >= 0 && 1 >= A] (1,1)
        2. f300(A,B,C,D,E,F,G,H,I,J,K) -> f2(A,L,M,N,O,O,G,H,P,Q,R) [H >= 1]                (1,1)
        3. f300(A,B,C,D,E,F,G,H,I,J,K) -> f1(A,L,M,D,N,P,O,H,Q,N,R) [0 >= H]                (1,1)
      Signature:
        {(f1,11);(f2,11);(f300,11)}
      Flow Graph:
        [0->{0},1->{},2->{0,1},3->{}]
      
  + Applied Processor:
      Failing "Open problems left."
  + Details:
      Open problems left.
MAYBE