module prova_omega(); 
 
  reg x; 
  reg r; 
  wire z; 

  omega o(z,r,x); 

  initial
  begin
    $dumpfile("omega.vlc");
    $dumpvars;

    x = 0; 
    r = 0;
    #10 x = 1; 
    #10 r = 0; 
    #10 x = 1; 

    #10 $finish; 

  end
endmodule