NO
* Step 1: FromIts NO
    + Considered Problem:
        Rules:
          0. f0(A,B,C,D,E) -> f3(0,0,C,D,E)      True                 (1,1)
          1. f3(A,B,C,D,E) -> f3(A,B,-1 + C,F,E) [-1*B >= 0           (?,1)
                                                  && A + -1*B >= 0         
                                                  && -1*A + -1*B >= 0      
                                                  && B >= 0                
                                                  && A + B >= 0            
                                                  && -1*A + B >= 0         
                                                  && -1*A >= 0             
                                                  && A >= 0                
                                                  && C >= 1                
                                                  && F >= 1]               
          2. f3(A,B,C,D,E) -> f3(A,B,-2 + C,F,E) [-1*B >= 0           (?,1)
                                                  && A + -1*B >= 0         
                                                  && -1*A + -1*B >= 0      
                                                  && B >= 0                
                                                  && A + B >= 0            
                                                  && -1*A + B >= 0         
                                                  && -1*A >= 0             
                                                  && A >= 0                
                                                  && C >= 1                
                                                  && 0 >= F]               
          3. f3(A,B,C,D,E) -> f6(A,B,C,D,F)      [-1*B >= 0           (?,1)
                                                  && A + -1*B >= 0         
                                                  && -1*A + -1*B >= 0      
                                                  && B >= 0                
                                                  && A + B >= 0            
                                                  && -1*A + B >= 0         
                                                  && -1*A >= 0             
                                                  && A >= 0                
                                                  && 0 >= C]               
          4. f6(A,B,C,D,E) -> f6(1,B,C,D,F)      [-1*C >= 0           (?,1)
                                                  && B + -1*C >= 0         
                                                  && -1*B + -1*C >= 0      
                                                  && A + -1*C >= 0         
                                                  && -1*B >= 0             
                                                  && A + -1*B >= 0         
                                                  && B >= 0                
                                                  && A + B >= 0            
                                                  && A >= 0                
                                                  && E >= 1]               
          5. f6(A,B,C,D,E) -> f6(0,B,C,D,F)      [-1*C >= 0           (?,1)
                                                  && B + -1*C >= 0         
                                                  && -1*B + -1*C >= 0      
                                                  && A + -1*C >= 0         
                                                  && -1*B >= 0             
                                                  && A + -1*B >= 0         
                                                  && B >= 0                
                                                  && A + B >= 0            
                                                  && A >= 0                
                                                  && 0 >= E]               
        Signature:
          {(f0,5);(f3,5);(f6,5)}
        Flow Graph:
          [0->{1,2,3},1->{1,2,3},2->{1,2,3},3->{4,5},4->{4,5},5->{4,5}]
        
    + Applied Processor:
        FromIts
    + Details:
        ()
* Step 2: CloseWith NO
    + Considered Problem:
        Rules:
          f0(A,B,C,D,E) -> f3(0,0,C,D,E)       True
          f3(A,B,C,D,E) -> f3(A,B,-1 + C,F,E)  [-1*B >= 0
                                                && A + -1*B >= 0
                                                && -1*A + -1*B >= 0
                                                && B >= 0
                                                && A + B >= 0
                                                && -1*A + B >= 0
                                                && -1*A >= 0
                                                && A >= 0
                                                && C >= 1
                                                && F >= 1]
          f3(A,B,C,D,E) -> f3(A,B,-2 + C,F,E)  [-1*B >= 0
                                                && A + -1*B >= 0
                                                && -1*A + -1*B >= 0
                                                && B >= 0
                                                && A + B >= 0
                                                && -1*A + B >= 0
                                                && -1*A >= 0
                                                && A >= 0
                                                && C >= 1
                                                && 0 >= F]
          f3(A,B,C,D,E) -> f6(A,B,C,D,F)       [-1*B >= 0
                                                && A + -1*B >= 0
                                                && -1*A + -1*B >= 0
                                                && B >= 0
                                                && A + B >= 0
                                                && -1*A + B >= 0
                                                && -1*A >= 0
                                                && A >= 0
                                                && 0 >= C]
          f6(A,B,C,D,E) -> f6(1,B,C,D,F)       [-1*C >= 0
                                                && B + -1*C >= 0
                                                && -1*B + -1*C >= 0
                                                && A + -1*C >= 0
                                                && -1*B >= 0
                                                && A + -1*B >= 0
                                                && B >= 0
                                                && A + B >= 0
                                                && A >= 0
                                                && E >= 1]
          f6(A,B,C,D,E) -> f6(0,B,C,D,F)       [-1*C >= 0
                                                && B + -1*C >= 0
                                                && -1*B + -1*C >= 0
                                                && A + -1*C >= 0
                                                && -1*B >= 0
                                                && A + -1*B >= 0
                                                && B >= 0
                                                && A + B >= 0
                                                && A >= 0
                                                && 0 >= E]
        Signature:
          {(f0,5);(f3,5);(f6,5)}
        Rule Graph:
          [0->{1,2,3},1->{1,2,3},2->{1,2,3},3->{4,5},4->{4,5},5->{4,5}]
    + Applied Processor:
        CloseWith False
    + Details:
        ()

NO