Thanks for the respond.
What you see 0 restrant is because I did 'm.show()' before adding
restraint. With the attached code running on my desktop (8 GB memory
with ulimit: unlimited):
Thanks - I was able to reproduce this problem on my machine. Yes, it
looks like the system is running out of memory, but it should be able to
handle a system of your size without any trouble. I opened a bug report
for it:
We'll update that bug report when we address the bug, so you can
certainly add yourself to the bug's CC list if you want to be notified
of our progress.