module huffmann_with_env(i_addr,i_val,clk);
  input clk;
  input i_val;
  output[7:0]  plain;
  output[7:0]  plainG;
  input[4:0] i_addr;

  huffmann   golden(clk,addr,ackG,plainG,val);
  huffmann   faulty(clk,addr,ack,plain,val);
  environment env(clk,val,i_addr,i_val,addr,ack);

endmodule
`include huff_with_env.v
`include environment2.v