%Warning-COVERIGN: t/t_covergroup_coverpoints_unsup.v:21:19: Ignoring unsupported: coverage clocking event 21 | covergroup cg @(posedge clk); | ^ ... For warning description see https://verilator.org/warn/COVERIGN?v=latest ... Use "/* verilator lint_off COVERIGN */" and lint_on around source to disable this message. %Warning-COVERIGN: t/t_covergroup_coverpoints_unsup.v:22:9: Ignoring unsupported: coverpoint 22 | coverpoint a; | ^~~~~~~~~~ %Warning-COVERIGN: t/t_covergroup_coverpoints_unsup.v:24:31: Ignoring unsupported: cover bin specification 24 | bins the_bins [5] = { [0:20] }; | ^ %Warning-COVERIGN: t/t_covergroup_coverpoints_unsup.v:23:9: Ignoring unsupported: coverpoint 23 | coverpoint b { | ^~~~~~~~~~ %Warning-COVERIGN: t/t_covergroup_coverpoints_unsup.v:21:5: Ignoring unsupported: covergroup 21 | covergroup cg @(posedge clk); | ^~~~~~~~~~ %Error: t/t_covergroup_coverpoints_unsup.v:35:48: Member 'a' not found in class 'cg' : ... note: In instance 't' 35 | $display("coverage a = %f", the_cg.a.get_inst_coverage()); | ^ ... See the manual at https://verilator.org/verilator_doc.html?v=latest for more assistance. %Error-UNSUPPORTED: t/t_covergroup_coverpoints_unsup.v:35:50: Unsupported: Member call on object 'CONST '1'h0'' which is a 'BASICDTYPE 'logic'' : ... note: In instance 't' 35 | $display("coverage a = %f", the_cg.a.get_inst_coverage()); | ^~~~~~~~~~~~~~~~~ ... For error description see https://verilator.org/warn/UNSUPPORTED?v=latest %Error: t/t_covergroup_coverpoints_unsup.v:36:48: Member 'b' not found in class 'cg' : ... note: In instance 't' 36 | $display("coverage b = %f", the_cg.b.get_inst_coverage()); | ^ %Error-UNSUPPORTED: t/t_covergroup_coverpoints_unsup.v:36:50: Unsupported: Member call on object 'CONST '1'h0'' which is a 'BASICDTYPE 'logic'' : ... note: In instance 't' 36 | $display("coverage b = %f", the_cg.b.get_inst_coverage()); | ^~~~~~~~~~~~~~~~~ %Error: t/t_covergroup_coverpoints_unsup.v:37:24: Member 'a' not found in class 'cg' : ... note: In instance 't' 37 | if (the_cg.a.get_inst_coverage() != 15/16.0) $stop(); | ^ %Error-UNSUPPORTED: t/t_covergroup_coverpoints_unsup.v:37:26: Unsupported: Member call on object 'CONST '1'h0'' which is a 'BASICDTYPE 'logic'' : ... note: In instance 't' 37 | if (the_cg.a.get_inst_coverage() != 15/16.0) $stop(); | ^~~~~~~~~~~~~~~~~ %Error: t/t_covergroup_coverpoints_unsup.v:38:24: Member 'b' not found in class 'cg' : ... note: In instance 't' 38 | if (the_cg.b.get_inst_coverage() != 4/5.0) $stop(); | ^ %Error-UNSUPPORTED: t/t_covergroup_coverpoints_unsup.v:38:26: Unsupported: Member call on object 'CONST '1'h0'' which is a 'BASICDTYPE 'logic'' : ... note: In instance 't' 38 | if (the_cg.b.get_inst_coverage() != 4/5.0) $stop(); | ^~~~~~~~~~~~~~~~~ %Error: Exiting due to