%Warning-CONSTRAINTIGN: t/t_constraint_mode.v:16:12: constraint_mode ignored (unsupported) : ... note: In instance 't' 16 | cons.constraint_mode(1); | ^~~~~~~~~~~~~~~ ... 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_constraint_mode.v:17:12: constraint_mode ignored (unsupported) : ... note: In instance 't' 17 | cons.constraint_mode(0); | ^~~~~~~~~~~~~~~ %Warning-CONSTRAINTIGN: t/t_constraint_mode.v:18:16: constraint_mode ignored (unsupported) : ... note: In instance 't' 18 | if (cons.constraint_mode() != 0) $stop; | ^~~~~~~~~~~~~~~ %Warning-CONSTRAINTIGN: t/t_constraint_mode.v:42:9: Unsupported: 'constraint_mode' called on object : ... note: In instance 't' 42 | p.constraint_mode(0); | ^~~~~~~~~~~~~~~ %Warning-CONSTRAINTIGN: t/t_constraint_mode.v:43:9: Unsupported: 'constraint_mode' called on object : ... note: In instance 't' 43 | p.constraint_mode(1); | ^~~~~~~~~~~~~~~ %Warning-CONSTRAINTIGN: t/t_constraint_mode.v:48:14: constraint_mode ignored (unsupported) : ... note: In instance 't' 48 | p.cons.constraint_mode(1); | ^~~~~~~~~~~~~~~ %Warning-CONSTRAINTIGN: t/t_constraint_mode.v:49:14: constraint_mode ignored (unsupported) : ... note: In instance 't' 49 | p.cons.constraint_mode(0); | ^~~~~~~~~~~~~~~ %Warning-CONSTRAINTIGN: t/t_constraint_mode.v:50:18: constraint_mode ignored (unsupported) : ... note: In instance 't' 50 | if (p.cons.constraint_mode() != 0) $stop; | ^~~~~~~~~~~~~~~ %Warning-CONSTRAINTIGN: t/t_constraint_mode.v:55:20: constraint_mode ignored (unsupported) : ... note: In instance 't' 55 | p.other.cons.constraint_mode(1); | ^~~~~~~~~~~~~~~ %Warning-CONSTRAINTIGN: t/t_constraint_mode.v:56:20: constraint_mode ignored (unsupported) : ... note: In instance 't' 56 | p.other.cons.constraint_mode(0); | ^~~~~~~~~~~~~~~ %Warning-CONSTRAINTIGN: t/t_constraint_mode.v:57:24: constraint_mode ignored (unsupported) : ... note: In instance 't' 57 | if (p.other.cons.constraint_mode() != 0) $stop; | ^~~~~~~~~~~~~~~ %Warning-CONSTRAINTIGN: t/t_constraint_mode.v:10:15: Constraint ignored (unsupported) : ... note: In instance 't' 10 | constraint cons { m_one > 0 && m_one < 2; } | ^~~~ %Error: Exiting due to