%Error-NEEDTIMINGOPT: t/t_notiming.v:12:8: Use --timing or --no-timing to specify how delays should be handled : ... In instance t 12 | #1 | ^ ... For error description see https://verilator.org/warn/NEEDTIMINGOPT?v=latest %Error-NEEDTIMINGOPT: t/t_notiming.v:13:8: Use --timing or --no-timing to specify how forks should be handled : ... In instance t 13 | fork @e; @e; join; | ^~~~ %Error-NEEDTIMINGOPT: t/t_notiming.v:14:8: Use --timing or --no-timing to specify how event controls should be handled : ... In instance t 14 | @e | ^ %Error-NEEDTIMINGOPT: t/t_notiming.v:15:8: Use --timing or --no-timing to specify how wait statements should be handled : ... In instance t 15 | wait(x == 4) | ^~~~ %Error-NEEDTIMINGOPT: t/t_notiming.v:16:12: Use --timing or --no-timing to specify how timing controls should be handled : ... In instance t 16 | x = #1 8; | ^ %Error-NEEDTIMINGOPT: t/t_notiming.v:19:8: Use --timing or --no-timing to specify how event controls should be handled : ... In instance t 19 | @e | ^ %Error-NEEDTIMINGOPT: t/t_notiming.v:26:12: Use --timing or --no-timing to specify how delays should be handled : ... In instance t 26 | initial #1 ->e; | ^ %Error-NEEDTIMINGOPT: t/t_notiming.v:27:12: Use --timing or --no-timing to specify how delays should be handled : ... In instance t 27 | initial #2 $stop; | ^ %Error: Exiting due to