[Couenne] Memory error on couenne?

[Pietro Belotti]

Wendel,

there is a 0.5.6 release, created a week ago, that takes into account
the changes mentioned by Stefan. You might want to try that and see if
the problem repeats.

Regards,
Pietro

On Tue, Sep 8, 2015 at 11:26 AM, Stefan Vigerske
<stefan at math.hu-berlin.de> wrote:
> Hi,
>
> Couenne 0.5.5 is using a 5 months old version of Cbc.
> In the meanwhile, there have been fixes in Cbc for issues that came up when
> running under Couenne.
> So you might want to try updating the Cbc that comes with Couenne to a
> recent version.
>
> Stefan
>
> On 09/08/2015 04:15 AM, Wendel Melo wrote:
>>
>> Hi experts
>>
>>
>> I have ran Couenne 0.5.5 on box nonconvex quadratic mixed integer problems
>> (by AMPL) and I have got some memory errors. I have enforced couenne to
>> run
>> for, at most,  60 minutes. At the end, I have the following error:
>>
>>
>> *** Error in `./couenne': double free or corruption (!prev):
>> 0x0000000000c4f6c0 ***
>> ======= Backtrace: =========
>> /lib64/libc.so.6(+0x7283f)[0x7fd5bdcc383f]
>> /lib64/libc.so.6(+0x780ae)[0x7fd5bdcc90ae]
>> /lib64/libc.so.6(+0x78db6)[0x7fd5bdcc9db6]
>>
>> /home/wendel/Downloads/couenne05/Couenne-0.5.5/build_noopt/lib64/libCbc.so.3(_ZN8CbcModel14branchAndBoundEi+0x3f08)[0x7fd5c158dd28]
>>
>> /home/wendel/Downloads/couenne05/Couenne-0.5.5/build_noopt/lib64/libCouenne.so.1(_ZN7Couenne10CouenneBab14branchAndBoundERN6Bonmin12BabSetupBaseE+0x8d0)[0x7fd5c3e12d90]
>> ./couenne[0x4042d0]
>> /lib64/libc.so.6(__libc_start_main+0xf5)[0x7fd5bdc72b05]
>> ./couenne[0x4055ba]
>>
>>
>> I have got this error in two different machines, both running opensuse
>> linux 64 bits (13.1 and 13.2). Model file and couenne option file used to
>> generate this error are in attachment.
>>
>> Does someone know what is happening?
>>
>>
>>
>> Regards
>>
>>
>>
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>>
>
>
> --
> http://www.gams.com/~stefan
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