%Warning-STMTDLY: t/t_net_delay.v:13:14: Ignoring delay on this statement due to --no-timing
                                       : ... In instance t
   13 |    wire[3:0] #4 val1 = cyc;
      |              ^
                  ... 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:14:14: Ignoring delay on this statement due to --no-timing
                                       : ... In instance t
   14 |    wire[3:0] #4 val2;
      |              ^
%Warning-ASSIGNDLY: t/t_net_delay.v:17:11: Ignoring timing control on this assignment/primitive due to --no-timing
                                         : ... In instance t
   17 |    assign #4 val2 = cyc;
      |           ^
%Error: Exiting due to