Ektagraphic - I would call that film unusable by a long shot. If you want to try anyway, you can use any of the developers you listed. For that much overdevelopment it won't make a difference which one. You should dilute the D76 or XTOL to at least 1+3 if you want to try this. The idea would be to use a long development time with less agitation than normal in an attempt to get maximum shadow detail while restraining the highlights somewhat.