FR 2512 then EC 7173 at Barcelona
Cologne → Barcelona → Berlin
Timetable, Barcelona time
08:30FR 2512 from Cologne at the gate
07:20EC 7173 to Berlin leaves the gate
22 h 50 apart on the timetable, overnight
EC 7173 leaves 22 h 50 after FR 2512 arrives on the timetable: more than half a day, so not a connection we count.