[Cbc] Problem with a large ILP

[Haroldo Gambini Santos]

Hi Joachim,

I'm solving your problem in my computer, which has 8GB of RAM and it 
runs fine.
The operating system is reporting that the process is using 4.5GB of 
RAM, so you probably need a little more RAM.

Cheers,

Haroldo

On 01-12-2014 12:39, Joachim Schauer wrote:
> Hello!
>
> We are trying to solve a "lagre" ILP (~2 million variables and 15000
> constraints) and are using CBC (2.8.7) as a standalone solver in a
> 64-bit Linux with 4GB of RAM. However CBC quickly consumes all memory
> and throws the following exception:
>
> terminate called after throwing an instance of 'std::bad_alloc'
>    what():  std::bad_alloc
>
> Is this normal for such an input size, or is there something strange
> going on?
>
> Thank you for your help!
>
> Joachim
>
> The input file in lp format can be found here and we are calling it
> with: cbc Masterarbeit.lp
>
> https://drive.google.com/file/d/0B8su2VUEnjd1ay1lRmxpVndCOGc/view?usp=sharing
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-- 
==================================================
Haroldo Gambini Santos
D.Sc, Computer Science
Universidade Federal de Ouro Preto
http://www.decom.ufop.br/haroldo/