Assura LVS is negelecting shorted/opened device in the schematic

Dear All,

We are using a new process. We found that  Assura LVS is negelecting shorted/opened device in the schematic. We are using Assura latest version.

I saw the compare.cdl file. I saw   filterOptions = "XZ" in the file.

Also I saw the code as below:-

 DEV_list = list( "kxres_m0" "l1res_m0" "nwres_m0" "opndres_m0" "silres_m0" "opppcres_m0" "oprppres_m0" "oprrpres_m0" "kxres_m1" "l1res_m1" "nwres_m1" "opndres_m1" "silres_m1" "opppcres_m1" "oprppres_m1" "oprrpres_m1" )

if( !avSwitch( "layout_compare_filters_only" ) then

    foreach( FET_dev DEV_list

      filter(FET_dev  sch  filterOptions ignore("G") )

    ) ; end foreach FET_dev
  ) ; end avSwitch

I have following doubt/confusions. Can  anbody please calrify them:-

1:-

  I think filterOptions = "XZ" applied to all  devices but overridden by the filter( ) command. Am I right ?

2:-

Where I can set/change the values of avSwitch ? or there is NO option as such ?

3:-

 If I comment the  filterOptions = "XZ", what will happen to filter(FET_dev  sch  filterOptions ignore("G") )in the above code ?

4:-

 If I comment the  filterOptions = "XZ", what will happen to filter(FET_dev  sch  filterOptions  )  ?

Kind Regards,