%Warning-STMTDLY: t/t_notiming.v:12:8: Ignoring delay on this statement due to --no-timing : ... In instance t 12 | #1 | ^ ... 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. %Error-NOTIMING: t/t_notiming.v:13:8: Fork statements require --timing : ... In instance t 13 | fork @e; @e; join; | ^~~~ %Error-NOTIMING: t/t_notiming.v:14:8: Event control statement in this location requires --timing : ... In instance t : ... With --no-timing, suggest have one event control statement per procedure, at the top of the procedure 14 | @e | ^ %Error-NOTIMING: t/t_notiming.v:15:8: Wait statements require --timing : ... In instance t 15 | wait(x == 4) | ^~~~ %Error-NOTIMING: t/t_notiming.v:19:8: Event control statement in this location requires --timing : ... In instance t : ... With --no-timing, suggest have one event control statement per procedure, at the top of the procedure 19 | @e | ^ %Warning-STMTDLY: t/t_notiming.v:26:12: Ignoring delay on this statement due to --no-timing : ... In instance t 26 | initial #1 ->e; | ^ %Warning-STMTDLY: t/t_notiming.v:27:12: Ignoring delay on this statement due to --no-timing : ... In instance t 27 | initial #2 $stop; | ^ %Error-NOTIMING: t/t_notiming.v:33:10: mailbox::put() requires --timing : ... In instance t 33 | m.put(i); | ^~~ %Error-NOTIMING: t/t_notiming.v:34:10: mailbox::get() requires --timing : ... In instance t 34 | m.get(i); | ^~~ %Error-NOTIMING: t/t_notiming.v:35:10: mailbox::peek() requires --timing : ... In instance t 35 | m.peek(i); | ^~~~ %Error-NOTIMING: t/t_notiming.v:36:10: semaphore::get() requires --timing : ... In instance t 36 | s.get(); | ^~~ %Error: Exiting due to