It's mathematically impossible not to qualify with 11 points
That is not correct.
Is Ajax the first team not to qualify for the next stage with as much
as 10 points?
During the 2013-2014 UEFA Champions League, in the Group F, Napoli finished 3rd of its group and didn't qualify.
Dortmund 12 (+5)
Arsenal 12 (+3)
Napoli 12 (+1)