%Error-UNSUPPORTED: t/t_sequence_ref_unsup.v:9:12: Unsupported: sequence referenced outside assertion property
                                                 : ... note: In instance 't'
    9 |   sequence s_one;
      |            ^~~~~
                    ... For error description see https://verilator.org/warn/UNSUPPORTED?v=latest
%Error: Exiting due to