`timescale 1ns / 100ps // 1 ns time unit, 100 ps resolution module coordinator_tb(); reg clk = 0; coordinator dut(.clk(clk)); always #8 clk = !clk; initial begin $dumpfile("coordinator.vcd"); $dumpvars(0, coordinator_tb); repeat (10000) @(posedge clk); $finish; end endmodule