[Cbc] Cbc 2.9 seg fault with adding SOS

[Kish Shen]

Hi,

I mentioned that I have been getting seg fault from Cbc 2.9 (downloaded
about a week ago) when I tried to add SOS to the problem. I have now
managed to produce a program that reproduce the crash. It happen when a
CbcSOS object is created, and not in addObjects().

As the problem needed to produce this was quite small, I was able to
simplify the program to be in a single file, which I attach to this post.
If I made any mistake in simplifying the program, I can send the original
version, which requires extra support files from our system to compile.

The program is extracted from calls to Cbc from our interface. The same
calls worked with Cbc 2.8 (downloaded nearly 2 years ago).

Thanks in advance for any information or help in resolving this problem.

Cheers,

KIsh
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