verilator/test_regress/t/t_trace_empty.v

// DESCRIPTION: Verilator: Verilog Test module
//
// This file ONLY is placed under the Creative Commons Public Domain.
// SPDX-FileCopyrightText: 2021 Geza Lore
// SPDX-License-Identifier: CC0-1.0

module t(/*AUTOARG*/
  // Inputs
  clk
  );

  /* verilator tracing_off */

  input clk;

  reg [7:0] cyc = 8'd0;

  always @(posedge clk) begin
    cyc <= cyc + 1;
    if (cyc == 20) begin
      $write("*-* All Finished *-*\n");
      $finish;
    end
  end

endmodule