[Cbc] mipstart

[Haroldo Gambini Santos]

Hi Yves,

Could you please send me your problem file (LP or MPS) ?

Since there are other reports of problems with MIPStart maybe there is 
some bug.

Cheers

On 17-02-2015 09:27, Yves Touchard wrote:
> Hello,
>
> Just a simple question (surely stupid...).
> The solver generates an integer solution file from a very basic 
> constraint file.
> Then I re-compile the same constraint file with the previous solution 
> file as mipsart argument. And cbc claims:
>
> [...]
> /will open mipstart file ./bug_gen.sol.//
> //mipstart values read for 3 variables.//
> [...]
> //Cbc0045I Warning: mipstart values could not be used to build a solution.
> Cbc0045I Trying just fixing integer variables.
> Cbc0045I mipstart provided solution with cost 127.464
> [..]
>
> /What does mean the warning?
> Is there something i miss.
>
> Thanks
>
> Yves
>
>
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-- 
==================================================
Haroldo Gambini Santos
D.Sc, Computer Science
Universidade Federal de Ouro Preto
http://www.decom.ufop.br/haroldo/

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