[Cbc] CBC 2.9.7 crashes after cuts generation at root node

[Haroldo Gambini Santos]

Hi Anton,

Here http://www.decom.ufop.br/haroldo/files/cbc.exe

there is an updated windows binary statically compiled (no dependencies 
I think). Please try with this updated version.


Em 15/09/2016 08:31, Anton Kargapolov escreveu:
> Hi,
> My CBC solver consistently crusher when it finds optimal solution at 
> root node after doing cuts generation.
> I attach model, log and screenshot.
> Model has ~20000 variables, most of them are "fixed" to specific value 
> by constraints, and only a fraction of ~20% is to be solved.
> I haven't tried 2.9.8 since i can't find the binary for that version. 
> I use 2.9.7 downloaded from AMPL web-page 
> http://ampl.com/products/solvers/open-source/#cbc 
> <https://urldefense.proofpoint.com/v2/url?u=http-3A__ampl.com_products_solvers_open-2Dsource_-23cbc&d=CwMFaQ&c=Ngd-ta5yRYsqeUsEDgxhcqsYYY1Xs5ogLxWPA_2Wlc4&r=pLOfVNEEHf-xhIqn1-uzYcZ6Q7UefG6Bg6rXCKTMiAA&m=6BwUl-A6mJoBuL1eDR9jiVmi4N30LCBfZq-97sI0fsE&s=8vB_Q6wVyffBVWlTmk6ZQ2feBTdk-vlK7b2SxB1NdSY&e=>
>
> With regards,
> Anton
>
>
>
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-- 
==================================================
Haroldo Gambini Santos
D.Sc, Computer Science
Universidade Federal de Ouro Preto
http://www.decom.ufop.br/haroldo/

It has long been an axiom of mine that the little things are infinitely
the most important.
		-- Sir Arthur Conan Doyle, "A Case of Identity"

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