%Error-UNSUPPORTED: t/t_assert_seq_clocking_unsup.v:15:5: Unsupported: multiclocked sequence or property
                                                        : ... note: In instance 't'
   15 |     @(posedge clk) a;
      |     ^
                    ... For error description see https://verilator.org/warn/UNSUPPORTED?v=latest
%Error-UNSUPPORTED: t/t_assert_seq_clocking_unsup.v:19:5: Unsupported: clocking event inside sequence expression
                                                        : ... note: In instance 't'
   19 |     @(posedge clk) b;
      |     ^
%Error-UNSUPPORTED: t/t_assert_seq_clocking_unsup.v:23:5: Unsupported: non-edge clocking event on a sequence; use an edge such as @(posedge clk)
                                                        : ... note: In instance 't'
   23 |     @clk a;
      |     ^
%Error-UNSUPPORTED: t/t_assert_seq_clocking_unsup.v:27:5: Unsupported: non-edge clocking event on a sequence; use an edge such as @(posedge clk)
                                                        : ... note: In instance 't'
   27 |     @clk a
      |     ^
%Error: t/t_assert_seq_clocking_unsup.v:32:3: Concurrent assertion has no clock (IEEE 1800-2023 16.16)
                                            : ... note: In instance 't'
                                            : ... Suggest provide a clocking event, a default clocking, or a clocked procedural context
   32 |   assert property (s_nest ##1 a);
      |   ^~~~~~
        ... See the manual at https://verilator.org/verilator_doc.html?v=latest for more assistance.
%Error: t/t_assert_seq_clocking_unsup.v:33:3: Concurrent assertion has no clock (IEEE 1800-2023 16.16)
                                            : ... note: In instance 't'
                                            : ... Suggest provide a clocking event, a default clocking, or a clocked procedural context
   33 |   assert property (s_level);
      |   ^~~~~~
%Error: t/t_assert_seq_clocking_unsup.v:34:3: Concurrent assertion has no clock (IEEE 1800-2023 16.16)
                                            : ... note: In instance 't'
                                            : ... Suggest provide a clocking event, a default clocking, or a clocked procedural context
   34 |   assert property (s_level2);
      |   ^~~~~~
%Error: Exiting due to