YES
* Step 1: UnsatPaths YES
    + Considered Problem:
        Rules:
          0. f0(A,B,C,D,E,F,G,H,I) -> f7(30,30,1,0,2,F,G,H,I)       True         (1,1)
          1. f7(A,B,C,D,E,F,G,H,I) -> f7(A,B,C + D,C,1 + E,C,G,H,I) [B >= E]     (?,1)
          2. f7(A,B,C,D,E,F,G,H,I) -> f19(A,B,C,D,E,F,C,C,C)        [E >= 1 + B] (?,1)
        Signature:
          {(f0,9);(f19,9);(f7,9)}
        Flow Graph:
          [0->{1,2},1->{1,2},2->{}]
        
    + Applied Processor:
        UnsatPaths
    + Details:
        We remove following edges from the transition graph: [(0,2)]
* Step 2: FromIts YES
    + Considered Problem:
        Rules:
          0. f0(A,B,C,D,E,F,G,H,I) -> f7(30,30,1,0,2,F,G,H,I)       True         (1,1)
          1. f7(A,B,C,D,E,F,G,H,I) -> f7(A,B,C + D,C,1 + E,C,G,H,I) [B >= E]     (?,1)
          2. f7(A,B,C,D,E,F,G,H,I) -> f19(A,B,C,D,E,F,C,C,C)        [E >= 1 + B] (?,1)
        Signature:
          {(f0,9);(f19,9);(f7,9)}
        Flow Graph:
          [0->{1},1->{1,2},2->{}]
        
    + Applied Processor:
        FromIts
    + Details:
        ()
* Step 3: Decompose YES
    + Considered Problem:
        Rules:
          f0(A,B,C,D,E,F,G,H,I) -> f7(30,30,1,0,2,F,G,H,I)        True
          f7(A,B,C,D,E,F,G,H,I) -> f7(A,B,C + D,C,1 + E,C,G,H,I)  [B >= E]
          f7(A,B,C,D,E,F,G,H,I) -> f19(A,B,C,D,E,F,C,C,C)         [E >= 1 + B]
        Signature:
          {(f0,9);(f19,9);(f7,9)}
        Rule Graph:
          [0->{1},1->{1,2},2->{}]
    + Applied Processor:
        Decompose NoGreedy
    + Details:
        We construct a looptree:
          P: [0,1,2]
          |
          `- p:[1] c: [1]
* Step 4: CloseWith YES
    + Considered Problem:
        (Rules:
          f0(A,B,C,D,E,F,G,H,I) -> f7(30,30,1,0,2,F,G,H,I)        True
          f7(A,B,C,D,E,F,G,H,I) -> f7(A,B,C + D,C,1 + E,C,G,H,I)  [B >= E]
          f7(A,B,C,D,E,F,G,H,I) -> f19(A,B,C,D,E,F,C,C,C)         [E >= 1 + B]
        Signature:
          {(f0,9);(f19,9);(f7,9)}
        Rule Graph:
          [0->{1},1->{1,2},2->{}]
        ,We construct a looptree:
          P: [0,1,2]
          |
          `- p:[1] c: [1])
    + Applied Processor:
        CloseWith True
    + Details:
        ()

YES