[Cbc] Segmentation fault with my problem (2.8.3)
Rémy Roy
remyroyster at gmail.com
Tue Mar 11 16:26:30 EDT 2014
Thanks for the quick follow up.
Regards,
Rémy
2014-03-11 16:23 GMT-04:00 John Forrest <john.forrest at fastercoin.com>:
> Fixed in svn.
>
> Change is just to add to CbcSolver.cpp
>
> // Write solution header (suggested by Luigi
> Poderico)
> + // Refresh solver
> + lpSolver = clpSolver->getModelPtr();
> lpSolver->computeObjectiveValue(false);
>
>
> John Forrest
>
>
> On 11/03/14 17:34, Rémy Roy wrote:
>
> Hello,
>
> I just tried this problem again with 2.8.9 and I'm still getting the
> segmentation fault:
>
> ~$ cbc exception-cbc.mps branch printingOptions rows solution
> exception-cbc.mps.sol
> Welcome to the CBC MILP Solver
> Version: 2.8.9
> Build Date: Mar 11 2014
>
> command line - cbc exception-cbc.mps branch printingOptions rows solution
> exception-cbc.mps.sol (default strategy 1)
> At line 2 NAME MODEL
> At line 3 ROWS
> At line 8 COLUMNS
> At line 22 RHS
> At line 26 BOUNDS
> At line 32 ENDATA
> Problem MODEL has 3 rows, 4 columns and 6 elements
> Coin0008I MODEL read with 0 errors
> Continuous objective value is 0 - 0.00 seconds
> Cgl0004I processed model has 1 rows, 2 columns (2 integer) and 2 elements
> 1 infeasibilities
> Problem is infeasible!
> Option for printingOptions changed from normal to rows
> Segmentation fault (core dumped)
>
> Was this supposed to be solved?
>
> exception-cbc.mps is still the same file on http://pastebin.com/zAdbGWfY
>
> Regards,
>
> Rémy
>
>
> 2013-09-11 12:57 GMT-04:00 Stefan Vigerske <stefan at math.hu-berlin.de>:
>
>> Hi,
>>
>> the issue from
>> http://list.coin-or.org/pipermail/cbc/2013-August/001141.html
>> has been fixed and the fix will be in the next release.
>>
>> You could check out a pre-release (aka bugfix branch aka stable branch)
>> via svn by doing
>> svn checkout https://projects.coin-or.org/svn/Cbc/stable/2.8
>>
>> Stefan
>>
>>
>>
>> On 09/11/2013 06:50 PM, Rémy Roy wrote:
>>
>>> Hello,
>>>
>>> There is a segmentation fault when I try to solve this problem (MPS
>>> file: http://pastebin.com/zAdbGWfY) with the following command line
>>> using cbc 2.8.3:
>>>
>>> $ cbc /tmp/24371-pulp.mps branch printingOptions rows solution
>>> /tmp/24371-pulp.sol
>>> Welcome to the CBC MILP Solver
>>> Version: 2.8.3
>>> Build Date: Sep 11 2013
>>>
>>> command line - cbc /tmp/24371-pulp.mps branch printingOptions rows
>>> solution /tmp/24371-pulp.sol (default strategy 1)
>>> At line 2 NAME MODEL
>>> At line 3 ROWS
>>> At line 8 COLUMNS
>>> At line 22 RHS
>>> At line 26 BOUNDS
>>> At line 32 ENDATA
>>> Problem MODEL has 3 rows, 4 columns and 6 elements
>>> Coin0008I MODEL read with 0 errors
>>> Continuous objective value is 0 - 0.00 seconds
>>> Cgl0004I processed model has 1 rows, 2 columns (2 integer) and 2
>>> elements
>>> 1 infeasibilities
>>> Problem is infeasible!
>>> Option for printingOptions changed from normal to rows
>>> Segmentation fault (core dumped)
>>>
>>>
>>> This might be related to
>>> http://list.coin-or.org/pipermail/cbc/2013-August/001141.html .
>>>
>>> Was this problem solved already? If so, is there any planned release
>>> that would include this fix? It seems like 2.8.3 is the latest version
>>> on http://www.coin-or.org/download/source/Cbc/ .
>>>
>>> Regards,
>>>
>>>
>>>
>>> _______________________________________________
>>> Cbc mailing list
>>> Cbc at list.coin-or.org
>>> http://list.coin-or.org/mailman/listinfo/cbc
>>>
>>>
>>
>
>
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