YES
* Step 1: TrivialSCCs YES
    + Considered Problem:
        Rules:
          0.  f0(A,B,C)  -> f10(1,B,C)     True                                                      (1,1)
          1.  f10(A,B,C) -> f13(A,1,C)     [-1 + A >= 0 && 5 >= A]                                   (?,1)
          2.  f13(A,B,C) -> f13(A,1 + B,C) [-1 + B >= 0 && -2 + A + B >= 0 && -1 + A >= 0 && 5 >= B] (?,1)
          3.  f21(A,B,C) -> f24(A,1,C)     [-1 + A >= 0 && 5 >= A]                                   (?,1)
          4.  f24(A,B,C) -> f27(A,B,1)     [-1 + B >= 0 && -2 + A + B >= 0 && -1 + A >= 0 && 5 >= B] (?,1)
          5.  f27(A,B,C) -> f27(A,B,1 + C) [-1 + C >= 0                                              (?,1)
                                            && -2 + B + C >= 0                                            
                                            && -2 + A + C >= 0                                            
                                            && -1 + B >= 0                                                
                                            && -2 + A + B >= 0                                            
                                            && -1 + A >= 0                                                
                                            && 5 >= C]                                                    
          6.  f27(A,B,C) -> f24(A,1 + B,C) [-1 + C >= 0                                              (?,1)
                                            && -2 + B + C >= 0                                            
                                            && -2 + A + C >= 0                                            
                                            && -1 + B >= 0                                                
                                            && -2 + A + B >= 0                                            
                                            && -1 + A >= 0                                                
                                            && C >= 6]                                                    
          7.  f24(A,B,C) -> f21(1 + A,B,C) [-1 + B >= 0 && -2 + A + B >= 0 && -1 + A >= 0 && B >= 6] (?,1)
          8.  f21(A,B,C) -> f39(A,B,C)     [-1 + A >= 0 && A >= 6]                                   (?,1)
          9.  f13(A,B,C) -> f10(1 + A,B,C) [-1 + B >= 0 && -2 + A + B >= 0 && -1 + A >= 0 && B >= 6] (?,1)
          10. f10(A,B,C) -> f21(1,B,C)     [-1 + A >= 0 && A >= 6]                                   (?,1)
        Signature:
          {(f0,3);(f10,3);(f13,3);(f21,3);(f24,3);(f27,3);(f39,3)}
        Flow Graph:
          [0->{1,10},1->{2,9},2->{2,9},3->{4,7},4->{5,6},5->{5,6},6->{4,7},7->{3,8},8->{},9->{1,10},10->{3,8}]
        
    + Applied Processor:
        TrivialSCCs
    + Details:
        All trivial SCCs of the transition graph admit timebound 1.
* Step 2: UnsatPaths YES
    + Considered Problem:
        Rules:
          0.  f0(A,B,C)  -> f10(1,B,C)     True                                                      (1,1)
          1.  f10(A,B,C) -> f13(A,1,C)     [-1 + A >= 0 && 5 >= A]                                   (?,1)
          2.  f13(A,B,C) -> f13(A,1 + B,C) [-1 + B >= 0 && -2 + A + B >= 0 && -1 + A >= 0 && 5 >= B] (?,1)
          3.  f21(A,B,C) -> f24(A,1,C)     [-1 + A >= 0 && 5 >= A]                                   (?,1)
          4.  f24(A,B,C) -> f27(A,B,1)     [-1 + B >= 0 && -2 + A + B >= 0 && -1 + A >= 0 && 5 >= B] (?,1)
          5.  f27(A,B,C) -> f27(A,B,1 + C) [-1 + C >= 0                                              (?,1)
                                            && -2 + B + C >= 0                                            
                                            && -2 + A + C >= 0                                            
                                            && -1 + B >= 0                                                
                                            && -2 + A + B >= 0                                            
                                            && -1 + A >= 0                                                
                                            && 5 >= C]                                                    
          6.  f27(A,B,C) -> f24(A,1 + B,C) [-1 + C >= 0                                              (?,1)
                                            && -2 + B + C >= 0                                            
                                            && -2 + A + C >= 0                                            
                                            && -1 + B >= 0                                                
                                            && -2 + A + B >= 0                                            
                                            && -1 + A >= 0                                                
                                            && C >= 6]                                                    
          7.  f24(A,B,C) -> f21(1 + A,B,C) [-1 + B >= 0 && -2 + A + B >= 0 && -1 + A >= 0 && B >= 6] (?,1)
          8.  f21(A,B,C) -> f39(A,B,C)     [-1 + A >= 0 && A >= 6]                                   (1,1)
          9.  f13(A,B,C) -> f10(1 + A,B,C) [-1 + B >= 0 && -2 + A + B >= 0 && -1 + A >= 0 && B >= 6] (?,1)
          10. f10(A,B,C) -> f21(1,B,C)     [-1 + A >= 0 && A >= 6]                                   (1,1)
        Signature:
          {(f0,3);(f10,3);(f13,3);(f21,3);(f24,3);(f27,3);(f39,3)}
        Flow Graph:
          [0->{1,10},1->{2,9},2->{2,9},3->{4,7},4->{5,6},5->{5,6},6->{4,7},7->{3,8},8->{},9->{1,10},10->{3,8}]
        
    + Applied Processor:
        UnsatPaths
    + Details:
        We remove following edges from the transition graph: [(0,10),(1,9),(3,7),(4,6),(10,8)]
* Step 3: Looptree YES
    + Considered Problem:
        Rules:
          0.  f0(A,B,C)  -> f10(1,B,C)     True                                                      (1,1)
          1.  f10(A,B,C) -> f13(A,1,C)     [-1 + A >= 0 && 5 >= A]                                   (?,1)
          2.  f13(A,B,C) -> f13(A,1 + B,C) [-1 + B >= 0 && -2 + A + B >= 0 && -1 + A >= 0 && 5 >= B] (?,1)
          3.  f21(A,B,C) -> f24(A,1,C)     [-1 + A >= 0 && 5 >= A]                                   (?,1)
          4.  f24(A,B,C) -> f27(A,B,1)     [-1 + B >= 0 && -2 + A + B >= 0 && -1 + A >= 0 && 5 >= B] (?,1)
          5.  f27(A,B,C) -> f27(A,B,1 + C) [-1 + C >= 0                                              (?,1)
                                            && -2 + B + C >= 0                                            
                                            && -2 + A + C >= 0                                            
                                            && -1 + B >= 0                                                
                                            && -2 + A + B >= 0                                            
                                            && -1 + A >= 0                                                
                                            && 5 >= C]                                                    
          6.  f27(A,B,C) -> f24(A,1 + B,C) [-1 + C >= 0                                              (?,1)
                                            && -2 + B + C >= 0                                            
                                            && -2 + A + C >= 0                                            
                                            && -1 + B >= 0                                                
                                            && -2 + A + B >= 0                                            
                                            && -1 + A >= 0                                                
                                            && C >= 6]                                                    
          7.  f24(A,B,C) -> f21(1 + A,B,C) [-1 + B >= 0 && -2 + A + B >= 0 && -1 + A >= 0 && B >= 6] (?,1)
          8.  f21(A,B,C) -> f39(A,B,C)     [-1 + A >= 0 && A >= 6]                                   (1,1)
          9.  f13(A,B,C) -> f10(1 + A,B,C) [-1 + B >= 0 && -2 + A + B >= 0 && -1 + A >= 0 && B >= 6] (?,1)
          10. f10(A,B,C) -> f21(1,B,C)     [-1 + A >= 0 && A >= 6]                                   (1,1)
        Signature:
          {(f0,3);(f10,3);(f13,3);(f21,3);(f24,3);(f27,3);(f39,3)}
        Flow Graph:
          [0->{1},1->{2},2->{2,9},3->{4},4->{5},5->{5,6},6->{4,7},7->{3,8},8->{},9->{1,10},10->{3}]
        
    + Applied Processor:
        Looptree
    + Details:
        We construct a looptree:
          P: [0,1,2,3,4,5,6,7,8,9,10]
          |
          +- p:[1,9,2] c: [1]
          |  |
          |  `- p:[2] c: [2]
          |
          `- p:[3,7,6,5,4] c: [3]
             |
             `- p:[4,6,5] c: [4]
                |
                `- p:[5] c: [5]

YES