%Warning-CONSTRAINTIGN: t/t_constraint_assoc_arr_bad.v:12:20: Unsupported: Constrained randomization of associative array keys of 144bits, limit is 128 bits 12 | string_arr["a_very_long_string"] == 65; | ^~~~~~~~~~~~~~~~~~~~ ... For warning description see https://verilator.org/warn/CONSTRAINTIGN?v=latest ... Use "/* verilator lint_off CONSTRAINTIGN */" and lint_on around source to disable this message. %Error: t/t_constraint_assoc_arr_bad.v:30:26: Illegal non-integral expression or subexpression in random constraint. (IEEE 1800-2023 18.3) 30 | constraint c1 { data[cl] > 0;} | ^~ ... See the manual at https://verilator.org/verilator_doc.html?v=latest for more assistance. %Error: t/t_constraint_assoc_arr_bad.v:44:44: Illegal non-integral expression or subexpression in random constraint. (IEEE 1800-2023 18.3) 44 | constraint c2 { foreach (data[i]) data[i] < 100; } | ^ %Error: t/t_constraint_assoc_arr_bad.v:58:44: Illegal non-integral expression or subexpression in random constraint. (IEEE 1800-2023 18.3) 58 | constraint c3 { foreach (data[i]) data[i] > 0; } | ^ %Error: Exiting due to