Your "total victory over Russia" is a matter of definitions.
If you compare Ukraine's achievements to Russia's recently stated goals, Ukrainians already achieved partial victory.
Mini-me Medevedev showing Russia's war aims, ~March 4, 2024:
But Ukraine's first and main war goal is the return of Crimea and I doubt if they will stop fighting until that is somehow achieved, perhaps long after Vlad the Invader has met his Maker in h*ll.