YES
* Step 1: TrivialSCCs YES
    + Considered Problem:
        Rules:
          0. start(A,B,C,D)  -> lbl51(E,B,0,D) [C + -1*D >= 0 && -1*C + D >= 0 && A + -1*B >= 0 && -1*A + B >= 0 && A = B && C = D] (?,1)
          1. lbl51(A,B,C,D)  -> stop(A,B,C,D)  [C >= 0 && C >= A && 9 >= C]                                                         (?,1)
          2. lbl51(A,B,C,D)  -> stop(A,B,C,D)  [C >= 0 && A >= 3 + C && 9 >= C]                                                     (?,1)
          3. lbl51(A,B,C,D)  -> cut(A,B,C,D)   [C >= 0 && A >= 1 + C && 2 + C >= A && 9 >= A && 9 >= C]                             (?,1)
          4. lbl51(A,B,C,D)  -> stop(A,B,C,D)  [C >= 0 && A >= 10 && A >= 1 + C && 2 + C >= A && 9 >= C]                            (?,1)
          5. cut(A,B,C,D)    -> lbl51(E,B,A,D) [8 + -1*C >= 0                                                                       (?,1)
                                                && -1 + A + -1*C >= 0                                                                    
                                                && 17 + -1*A + -1*C >= 0                                                                 
                                                && C >= 0                                                                                
                                                && -1 + A + C >= 0                                                                       
                                                && 2 + -1*A + C >= 0                                                                     
                                                && 9 + -1*A >= 0                                                                         
                                                && -1 + A >= 0                                                                           
                                                && 2 + C >= A                                                                            
                                                && 9 >= A                                                                                
                                                && A >= 1 + C]                                                                           
          6. start0(A,B,C,D) -> start(B,B,D,D) True                                                                                 (1,1)
        Signature:
          {(cut,4);(lbl51,4);(start,4);(start0,4);(stop,4)}
        Flow Graph:
          [0->{1,2,3,4},1->{},2->{},3->{5},4->{},5->{1,2,3,4},6->{0}]
        
    + Applied Processor:
        TrivialSCCs
    + Details:
        All trivial SCCs of the transition graph admit timebound 1.
* Step 2: UnsatPaths YES
    + Considered Problem:
        Rules:
          0. start(A,B,C,D)  -> lbl51(E,B,0,D) [C + -1*D >= 0 && -1*C + D >= 0 && A + -1*B >= 0 && -1*A + B >= 0 && A = B && C = D] (1,1)
          1. lbl51(A,B,C,D)  -> stop(A,B,C,D)  [C >= 0 && C >= A && 9 >= C]                                                         (1,1)
          2. lbl51(A,B,C,D)  -> stop(A,B,C,D)  [C >= 0 && A >= 3 + C && 9 >= C]                                                     (1,1)
          3. lbl51(A,B,C,D)  -> cut(A,B,C,D)   [C >= 0 && A >= 1 + C && 2 + C >= A && 9 >= A && 9 >= C]                             (?,1)
          4. lbl51(A,B,C,D)  -> stop(A,B,C,D)  [C >= 0 && A >= 10 && A >= 1 + C && 2 + C >= A && 9 >= C]                            (1,1)
          5. cut(A,B,C,D)    -> lbl51(E,B,A,D) [8 + -1*C >= 0                                                                       (?,1)
                                                && -1 + A + -1*C >= 0                                                                    
                                                && 17 + -1*A + -1*C >= 0                                                                 
                                                && C >= 0                                                                                
                                                && -1 + A + C >= 0                                                                       
                                                && 2 + -1*A + C >= 0                                                                     
                                                && 9 + -1*A >= 0                                                                         
                                                && -1 + A >= 0                                                                           
                                                && 2 + C >= A                                                                            
                                                && 9 >= A                                                                                
                                                && A >= 1 + C]                                                                           
          6. start0(A,B,C,D) -> start(B,B,D,D) True                                                                                 (1,1)
        Signature:
          {(cut,4);(lbl51,4);(start,4);(start0,4);(stop,4)}
        Flow Graph:
          [0->{1,2,3,4},1->{},2->{},3->{5},4->{},5->{1,2,3,4},6->{0}]
        
    + Applied Processor:
        UnsatPaths
    + Details:
        We remove following edges from the transition graph: [(0,4)]
* Step 3: Looptree YES
    + Considered Problem:
        Rules:
          0. start(A,B,C,D)  -> lbl51(E,B,0,D) [C + -1*D >= 0 && -1*C + D >= 0 && A + -1*B >= 0 && -1*A + B >= 0 && A = B && C = D] (1,1)
          1. lbl51(A,B,C,D)  -> stop(A,B,C,D)  [C >= 0 && C >= A && 9 >= C]                                                         (1,1)
          2. lbl51(A,B,C,D)  -> stop(A,B,C,D)  [C >= 0 && A >= 3 + C && 9 >= C]                                                     (1,1)
          3. lbl51(A,B,C,D)  -> cut(A,B,C,D)   [C >= 0 && A >= 1 + C && 2 + C >= A && 9 >= A && 9 >= C]                             (?,1)
          4. lbl51(A,B,C,D)  -> stop(A,B,C,D)  [C >= 0 && A >= 10 && A >= 1 + C && 2 + C >= A && 9 >= C]                            (1,1)
          5. cut(A,B,C,D)    -> lbl51(E,B,A,D) [8 + -1*C >= 0                                                                       (?,1)
                                                && -1 + A + -1*C >= 0                                                                    
                                                && 17 + -1*A + -1*C >= 0                                                                 
                                                && C >= 0                                                                                
                                                && -1 + A + C >= 0                                                                       
                                                && 2 + -1*A + C >= 0                                                                     
                                                && 9 + -1*A >= 0                                                                         
                                                && -1 + A >= 0                                                                           
                                                && 2 + C >= A                                                                            
                                                && 9 >= A                                                                                
                                                && A >= 1 + C]                                                                           
          6. start0(A,B,C,D) -> start(B,B,D,D) True                                                                                 (1,1)
        Signature:
          {(cut,4);(lbl51,4);(start,4);(start0,4);(stop,4)}
        Flow Graph:
          [0->{1,2,3},1->{},2->{},3->{5},4->{},5->{1,2,3,4},6->{0}]
        
    + Applied Processor:
        Looptree
    + Details:
        We construct a looptree:
          P: [0,1,2,3,4,5,6]
          |
          `- p:[3,5] c: [5]

YES