%Error: t/t_covergroup_autobins_bad.v:18:12: Automatic bins array size must be a constant
                                           : ... note: In instance 't'
   18 |       bins auto[size_var];
      |            ^~~~
        ... See the manual at https://verilator.org/verilator_doc.html?v=latest for more assistance.
%Error: t/t_covergroup_autobins_bad.v:25:12: Automatic bins array size must be >= 1, got 0
                                           : ... note: In instance 't'
   25 |       bins auto[0];
      |            ^~~~
%Error: t/t_covergroup_autobins_bad.v:32:12: Automatic bins array size of 1001 exceeds limit of 1000
                                           : ... note: In instance 't'
   32 |       bins auto[1001];
      |            ^~~~
%Error: t/t_covergroup_autobins_bad.v:44:26: Non-constant expression in bin value list; values must be constants
                                           : ... note: In instance 't'
   44 |       ignore_bins ign = {size_var};   
      |                          ^~~~~~~~
%Error: t/t_covergroup_autobins_bad.v:45:32: Non-constant expression in bin range; range bounds must be constants
                                           : ... note: In instance 't'
   45 |       ignore_bins ign_range = {[0:size_var]};   
      |                                ^
%Error: t/t_covergroup_autobins_bad.v:39:12: Non-constant expression in array bins range; range bounds must be constants
                                           : ... note: In instance 't'
   39 |       bins b[] = {[size_var:size_var]};   
      |            ^
%Error: t/t_covergroup_autobins_bad.v:40:12: Non-constant expression in array bins range; range bounds must be constants
                                           : ... note: In instance 't'
   40 |       bins b_mixed[] = {[0:size_var]};   
      |            ^~~~~~~
%Error: t/t_covergroup_autobins_bad.v:41:23: Non-constant expression in bin range; range bounds must be constants
                                           : ... note: In instance 't'
   41 |       bins b_range = {[size_var:4]};   
      |                       ^
%Error: t/t_covergroup_autobins_bad.v:42:24: Non-constant expression in bin range; range bounds must be constants
                                           : ... note: In instance 't'
   42 |       bins b_range2 = {[0:size_var]};  
      |                        ^
%Error: t/t_covergroup_autobins_bad.v:43:18: Non-constant expression in bin range; values must be constants
                                           : ... note: In instance 't'
   43 |       bins b2 = {size_var};   
      |                  ^~~~~~~~
%Error: t/t_covergroup_autobins_bad.v:44:26: Non-constant expression in bin range; values must be constants
                                           : ... note: In instance 't'
   44 |       ignore_bins ign = {size_var};   
      |                          ^~~~~~~~
%Warning-COVERIGN: t/t_covergroup_autobins_bad.v:52:25: Ignoring unsupported: non-constant 'option.at_least'; using default value
                                                      : ... note: In instance 't'
   52 |       option.at_least = size_var;   
      |                         ^~~~~~~~
                   ... 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.
%Error: t/t_covergroup_autobins_bad.v:62:31: Non-constant expression in bin range; range bounds must be constants
                                           : ... note: In instance 't'
   62 |       ignore_bins ign_nclo = {[size_var:4]};   
      |                               ^
%Error: t/t_covergroup_autobins_bad.v:59:20: Four-state (x/z) value in bin range bound; range bounds must be two-state constants
                                           : ... note: In instance 't'
   59 |       bins b_xz = {[4'bxxxx:4'hF]};   
      |                    ^
%Error: t/t_covergroup_autobins_bad.v:60:32: Four-state (x/z) value in bin range bound; range bounds must be two-state constants
                                           : ... note: In instance 't'
   60 |       ignore_bins ign_xz_lo = {[4'bxxxx:4'hF]};   
      |                                ^
%Error: t/t_covergroup_autobins_bad.v:61:32: Four-state (x/z) value in bin range bound; range bounds must be two-state constants
                                           : ... note: In instance 't'
   61 |       ignore_bins ign_xz_hi = {[4'h0:4'bzzzz]};   
      |                                ^
%Error: t/t_covergroup_autobins_bad.v:63:23: Non-constant expression in bin range; range bounds must be constants
                                           : ... note: In instance 't'
   63 |       bins b_nc_ub = {[size_var:$]};   
      |                       ^
%Error: t/t_covergroup_autobins_bad.v:64:23: Four-state (x/z) value in bin range bound; range bounds must be two-state constants
                                           : ... note: In instance 't'
   64 |       bins b_xz_ub = {[4'bxxxx:$]};   
      |                       ^
%Error: t/t_covergroup_autobins_bad.v:65:12: Four-state (x/z) value in array bins range bound; range bounds must be two-state constants
                                           : ... note: In instance 't'
   65 |       bins b_xz_arr[] = {[4'bxxxx:4'hF]};   
      |            ^~~~~~~~
%Error: t/t_covergroup_autobins_bad.v:66:12: Four-state (x/z) value in array bins range bound; range bounds must be two-state constants
                                           : ... note: In instance 't'
   66 |       bins b_xz_arr_hi[] = {[4'h0:4'bzzzz]};   
      |            ^~~~~~~~~~~
%Warning-COVERIGN: t/t_covergroup_autobins_bad.v:73:12: Unsupported: array 'bins' covering more than 1000 values (e.g. an open '[lo:$]' range over a wide coverpoint); bin ignored
                                                      : ... note: In instance 't'
   73 |       bins b_huge[] = {[0:$]};   
      |            ^~~~~~
%Error: Exiting due to