%Warning-CONSTRAINTIGN: t/t_randomize_method_with_unsup.v:47:40: 'with' constraint ignored (unsupported) 47 | rand_result = obj.randomize() with { lb <= y && y <= ub; }; | ^~~~ ... 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. %Warning-CONSTRAINTIGN: t/t_randomize_method_with_unsup.v:63:37: 'with' constraint ignored (unsupported) 63 | rand_result = obj.randomize() with { 256 < y && y < 256; }; | ^~~~ %Warning-CONSTRAINTIGN: t/t_randomize_method_with_unsup.v:67:37: 'with' constraint ignored (unsupported) 67 | rand_result = obj.randomize() with { 16 <= z && z <= 32; }; | ^~~~ %Error: Exiting due to