FR 776 then FR 2507 at Barcelona
Venezia → Barcelona → Cologne
Timetable, Barcelona time
15:35FR 776 from Venezia at the gate
06:20FR 2507 to Cologne leaves the gate
14 h 45 apart on the timetable, overnight
FR 2507 leaves 14 h 45 after FR 776 arrives on the timetable: more than half a day, so not a connection we count.