Yeah, one thing.
Since my log is so big, I was not able to upload it without extreme lag to pastebin. Anyway, if you need it there...you are totally free to upload it! ^^

Okay, as promised: I did some testing regarding this pesky issue.

What I've done:
Using the performance binary v20, I tested my MCC Template Mission (a mission I build on for over a year now and which was working untill the end of last year) first with and secondly without ACE.

How I tried to reproduce the freeze:
I decided to take the ALiVE Combate Support (basically because I'm happy I can finally use it with VCOM) and fly from the Airport on Altis over to the south, then to Kavala...up north and then on the eastern side of Altis.

With ACE:
When I arrived at Kavala I got shot down. I was not dead though, therefore I teleported myself back to the Airport. When I arrived the server froze. (Took about 10min)

Without ACE:
I flew my round across Altis (got shot down two times). I did not noticed anything bad. I even dscovered that the memory usage does not significantly rose at any time (Max. was something about 1710MB I think).
To top it then I spawned a mission via MCC and flew over there. Nothing happened either and everything was running nice.

Conclusion:
I'm pretty sure now that ALIVE and ACE are not friends atm.

Logs and Missions:
Sadly I can not provide any memory dumps at the moment (I have no clue how to use procDump and therefore I need to find that out first).
However, here you have the Logs and missions.
https://drive.google.com/file/d/0B4x7N57WyGnSRkczSzVGUndydDg/view?usp=sharing

(The errors at the end of the Log without ACE are because me closing the server down while the mission is still running (damn reflex))

Mods used:
ACE, ALiVE, CBA, cTAB, Euroforce, MCC, Task Force Radio, XLA_Fixed Arsenal
(Yeah, just wanted to make a quick test today. Will do something more useful during the week eventually!)
( I did not use ALiVEServer)