-Info: t/t_assert_comp_bad.v:9: User compile-time info
                              : ... In instance t
      $info("User compile-time info");
      ^~~~~
%Warning-USERWARN: t/t_assert_comp_bad.v:10: User compile-time warning
                                           : ... In instance t
      $warning("User compile-time warning");
      ^~~~~~~~
                   ... Use "/* verilator lint_off USERWARN */" and lint_on around source to disable this message.
%Warning-USERWARN: t/t_assert_comp_bad.v:11: 00000001
                                           : ... In instance t
      $warning(1);   
      ^~~~~~~~
%Warning-USERERROR: t/t_assert_comp_bad.v:12: User compile-time error
                                            : ... In instance t
      $error("User compile-time error");
      ^~~~~~
%Error: Exiting due to
