axi_code/ass.sv

module ass();

//wvalid id high and wready is low then wdata,wid,wstb should be stable

property p1();

    @(posedge clk)
   disable iff(rst)
   (wvalid & !wready) |-> ($stable(wdata) && $stable(wid) && $stable(wstrb));

endproperty


assert property (p1)
    $display("PASS");
 else
	 $diplay("FAIL");

 //In write transaction when burst type is wrap then len must have 2,4,8 or 16

property p1();

    @(posedge clk)
   disable iff(rst)
   (awvalid & awburst==2'b01) |-> ((awlen==8'b00000010)||(awlen==8`b00000100)||(awlen==8'b00001000)||(awlen==8`b00010000));

endproperty


assert property (p1)
    $display("PASS");
 else
	 $diplay("FAIL");

 endmodule