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Hi David,<br>
<br>
Tried with the latest stable 2.8.10, and it appears ok (found an
optimal solution with obj 837.63000000), could you update your
version and try again ?<br>
<br>
Cheers<br>
<br>
<div class="moz-cite-prefix">On 16-07-2014 09:59, David Ibarra Gómez
wrote:<br>
</div>
<blockquote cite="mid:DUB115-W655F501EE9A73C05CE5C0CA3F70@phx.gbl"
type="cite">
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<div dir="ltr"><span style="color: rgb(68, 68, 68); font-size:
15px; line-height: 21.299999237060547px; background-color:
rgb(255, 255, 255);">Dear all,</span>
<div style="line-height: 21.299999237060547px; color: rgb(68,
68, 68); font-size: 15px; background-color: rgb(255, 255,
255);"><br>
</div>
<div style="line-height: 21.299999237060547px; color: rgb(68,
68, 68); font-size: 15px; background-color: rgb(255, 255,
255);">I was trying standalone CBC executable using several
scenarios (several MPS), in this case an small problem. </div>
<div style="line-height: 21.299999237060547px; color: rgb(68,
68, 68); font-size: 15px; background-color: rgb(255, 255,
255);"><br>
</div>
<div style="line-height: 21.299999237060547px; color: rgb(68,
68, 68); font-size: 15px; background-color: rgb(255, 255,
255);">The context it's linux debian, and acording to the
following lines:</div>
<div style="line-height: 21.299999237060547px; color: rgb(68,
68, 68); font-size: 15px; background-color: rgb(255, 255,
255);"><br>
</div>
<div style="line-height: 21.299999237060547px; color: rgb(68,
68, 68); font-size: 15px; background-color: rgb(255, 255,
255);">
<div>Welcome to the CBC MILP Solver</div>
<div>Version: 2.8.8</div>
<div>Build Date: May 31 2014</div>
</div>
<div style="line-height: 21.299999237060547px; color: rgb(68,
68, 68); font-size: 15px; background-color: rgb(255, 255,
255);"><br>
</div>
<div style="line-height: 21.299999237060547px; color: rgb(68,
68, 68); font-size: 15px; background-color: rgb(255, 255,
255);">It's version 2.8.8 (compiled on my machine), I thought
it was the last stable version</div>
<div style="line-height: 21.299999237060547px; color: rgb(68,
68, 68); font-size: 15px; background-color: rgb(255, 255,
255);"><br>
</div>
<div style="line-height: 21.299999237060547px; color: rgb(68,
68, 68); font-size: 15px; background-color: rgb(255, 255,
255);">Usually everything goes smoothly (much more faster than
lpSolve, btw), but for a reason that I can't explain I get
segmentation fault when calling this particular MPS
(/home/cbc/Cbc-2.8.8/build/bin/cbc
/tmp/2d5e81e9-c63d-4d0a-9ad5-8196d9d0a37c.mps ).</div>
<div style="line-height: 21.299999237060547px; color: rgb(68,
68, 68); font-size: 15px; background-color: rgb(255, 255,
255);"><br>
</div>
<div style="line-height: 21.299999237060547px; color: rgb(68,
68, 68); font-size: 15px; background-color: rgb(255, 255,
255);">The MPS files are produced with LPSolve (via
lpSolveAPI, a library to use lpSolve from R, from R code
embeded with RInside into another C++ executable), and If I
use that MPS file with LPSolve I get the optimal solution
(837.63).</div>
<div style="line-height: 21.299999237060547px; color: rgb(68,
68, 68); font-size: 15px; background-color: rgb(255, 255,
255);"><br>
</div>
<div style="line-height: 21.299999237060547px; color: rgb(68,
68, 68); font-size: 15px; background-color: rgb(255, 255,
255);"><br>
</div>
<div style="line-height: 21.299999237060547px; color: rgb(68,
68, 68); font-size: 15px; background-color: rgb(255, 255,
255);">Kind Regards</div>
<div style="line-height: 21.299999237060547px; color: rgb(68,
68, 68); font-size: 15px; background-color: rgb(255, 255,
255);"><br>
</div>
<div style="line-height: 21.299999237060547px; color: rgb(68,
68, 68); font-size: 15px; background-color: rgb(255, 255,
255);">David</div>
</div>
<br>
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<br>
<pre wrap="">_______________________________________________
Cbc mailing list
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</pre>
</blockquote>
<br>
<pre class="moz-signature" cols="72">--
==================================================
Haroldo Gambini Santos
D.Sc, Computer Science
Universidade Federal de Ouro Preto
<a class="moz-txt-link-freetext" href="http://www.decom.ufop.br/haroldo/">http://www.decom.ufop.br/haroldo/</a></pre>
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