IB 5353 then FR 3928 at Barcelona
Milan → Barcelona → Trieste
Timetable, Barcelona time
11:55IB 5353 from Milan at the gate
06:30FR 3928 to Trieste leaves the gate
18 h 35 apart on the timetable, overnight
FR 3928 leaves 18 h 35 after IB 5353 arrives on the timetable: more than half a day, so not a connection we count.