%Error-UNSUPPORTED: t/t_expect.v:16:5: Unsupported: expect 16 | expect (@(posedge clk) a ##1 b) a = 110; | ^~~~~~ ... For error description see https://verilator.org/warn/UNSUPPORTED?v=latest %Error-UNSUPPORTED: t/t_expect.v:18:5: Unsupported: expect 18 | expect (@(posedge clk) a ##1 b) | ^~~~~~ %Error-UNSUPPORTED: t/t_expect.v:21:5: Unsupported: expect 21 | expect (@(posedge clk) a ##1 b) a = 300; | ^~~~~~ %Error: Exiting due to