%Warning-STMTDLY: t/t_net_delay.v:14:11: Ignoring delay on this statement due to --no-timing
                                       : ... note: In instance 't'
   14 |    always #2 clk = ~clk;
      |           ^
                  ... For warning description see https://verilator.org/warn/STMTDLY?v=latest
                  ... Use "/* verilator lint_off STMTDLY */" and lint_on around source to disable this message.
%Warning-STMTDLY: t/t_net_delay.v:20:14: Ignoring delay on this statement due to --no-timing
                                       : ... note: In instance 't'
   20 |    wire[3:0] #3 val1;
      |              ^
%Warning-STMTDLY: t/t_net_delay.v:21:14: Ignoring delay on this statement due to --no-timing
                                       : ... note: In instance 't'
   21 |    wire[3:0] #3 val2;
      |              ^
%Warning-ASSIGNDLY: t/t_net_delay.v:22:14: Ignoring timing control on this assignment/primitive due to --no-timing
                                         : ... note: In instance 't'
   22 |    wire[3:0] #5 val3 = cyc;
      |              ^
%Warning-STMTDLY: t/t_net_delay.v:23:14: Ignoring delay on this statement due to --no-timing
                                       : ... note: In instance 't'
   23 |    wire[3:0] #5 val4;
      |              ^
%Warning-ASSIGNDLY: t/t_net_delay.v:24:14: Ignoring timing control on this assignment/primitive due to --no-timing
                                         : ... note: In instance 't'
   24 |    wire[3:0] #3 val5 = x, val6 = cyc;
      |              ^
%Warning-ASSIGNDLY: t/t_net_delay.v:27:11: Ignoring timing control on this assignment/primitive due to --no-timing
                                         : ... note: In instance 't'
   27 |    assign #3 val2 = cyc;
      |           ^
%Warning-STMTDLY: t/t_net_delay.v:39:26: Ignoring delay on this statement due to --no-timing
                                       : ... note: In instance 't'
   39 |    always @(posedge clk) #1 begin
      |                          ^
%Error: Exiting due to