%Warning-SELRANGE: t/t_gen_cond_bitrange_bad.v:52:35: Selection index out of range: 2:2 outside 1:0 : ... note: In instance 't.i_test_gen' 52 | if ((g < (SIZE + 1)) && MASK[g]) begin | ^ ... For warning description see https://verilator.org/warn/SELRANGE?v=latest ... Use "/* verilator lint_off SELRANGE */" and lint_on around source to disable this message. %Warning-SELRANGE: t/t_gen_cond_bitrange_bad.v:64:29: Selection index out of range: 2:2 outside 1:0 : ... note: In instance 't.i_test_gen' 64 | if ((g < SIZE) && MASK[g+1]) begin | ^ %Warning-SELRANGE: t/t_gen_cond_bitrange_bad.v:77:30: Selection index out of range: 2:2 outside 1:0 : ... note: In instance 't.i_test_gen' 77 | if ((g < (SIZE)) & MASK[g]) begin | ^ %Warning-SELRANGE: t/t_gen_cond_bitrange_bad.v:90:32: Selection index out of range: 2:2 outside 1:0 : ... note: In instance 't.i_test_gen' 90 | if (!((g >= SIZE) | ~MASK[g])) begin | ^ %Error: Exiting due to