%Warning-WIDTHEXPAND: t/t_inst_overwide.v:23:14: Output port connection 'outy_w92' expects 92 bits on the pin connection, but pin connection's VARREF 'outc_w30' generates 30 bits. : ... In instance t 23 | .outy_w92 (outc_w30), | ^~~~~~~~ ... For warning description see https://verilator.org/warn/WIDTHEXPAND?v=latest ... Use "/* verilator lint_off WIDTHEXPAND */" and lint_on around source to disable this message. %Warning-WIDTHTRUNC: t/t_inst_overwide.v:24:14: Output port connection 'outz_w22' expects 22 bits on the pin connection, but pin connection's VARREF 'outd_w73' generates 73 bits. : ... In instance t 24 | .outz_w22 (outd_w73), | ^~~~~~~~ %Warning-WIDTHEXPAND: t/t_inst_overwide.v:27:14: Input port connection 'inw_w31' expects 31 bits on the pin connection, but pin connection's VARREF 'ina_w1' generates 1 bits. : ... In instance t 27 | .inw_w31 (ina_w1), | ^~~~~~~ %Warning-WIDTHTRUNC: t/t_inst_overwide.v:28:14: Input port connection 'inx_w11' expects 11 bits on the pin connection, but pin connection's VARREF 'inb_w61' generates 61 bits. : ... In instance t 28 | .inx_w11 (inb_w61) | ^~~~~~~ %Error: Exiting due to