YES
Time: 0.014

Problem:
 Equations:
  
 TRS:
  fAC(x,one()) -> x
  fAC(i(x),x) -> one()

Proof:
 AC-KBO Processor:
  precedence:
   i > fAC > one
   weight function:
    [i](x0) = x0 + 1,
    
    [one] = 8,
    
    [fAC](x0, x1) = x0 + x1 + 7
   problem:
    Equations:
     
    TRS:
     
   Qed