%Warning-IFDEPTH: t/t_lint_ifdepth_bad.v:22:12: Deep 'if' statement; suggest unique/priority to avoid slow logic : ... In instance t 22 | else if (value==11) begin end | ^~ ... Use "/* verilator lint_off IFDEPTH */" and lint_on around source to disable this message. %Error: Exiting due to