Yes, AC Milan is still trying to get points from every match it was their attempt to get one of the tickets to the european competition even though we know the chances are very low but there's no harm in trying. Honestly it will take a miracle for AC Milan to catch up and compete with AS Roma, Lazio or Fiorentina because based on game statistics these competitors are better.
AC Milan is still four points behind Lazio who is currently in sixth place in the standings, but in terms of catching up on those four points with AC Milan's current condition, it is certainly not easy because there are many other teams that are also obstacles for AC Milan to be in the top six or top five positions in the rest of this season. So I also think that Milan will not enter any competition other than Serie A next season because that seems much more logical for Milan unless there are three teams above them who experience consecutive defeats and Milan wins consecutively in the rest of this season.