FR 13 then FR 878 at Barcelona
Vienna → Barcelona → Venezia
Timetable, Barcelona time
19:45FR 13 from Vienna at the gate
18:15FR 878 to Venezia leaves the gate
22 h 30 apart on the timetable, overnight
FR 878 leaves 22 h 30 after FR 13 arrives on the timetable: more than half a day, so not a connection we count.