If your DRC-RVE session is showing is showing empty DRC checks (checks that are clean, with the green check mark) and you prefer to focus only on the checks with results (indicated with the red "x") there is a setting you can use to filter out the passing checks.
In RVE use the pulldown menu for:
View > Tree Options
from there, you can unselect "Show Empty Checks".
As an alternative, the following statement could be added to the SVRF rule file and then the empty checks wouldn't exist in the output file at all:
DRC KEEP EMPTY NO
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