Hello,

I believe the problem is due to a recheck of the license and how Abaqus poorly handles the running job when that happens. At least this is what is assumed by other users.

http://old.nabble.com/ABAQUS-crashes...d29303851.html

The simplest solution is to create two scripts, one that calls abaqus to run the script, repeatedly, and a script you actually want to use.
For example:
...