<div>It seems the problem is infeasible.</div><div>Lines 5448-5449 are:</div><div></div><div><div>Cap1655: v23617 > 1.332</div><div>Cap1656: v23617 < 1.332</div></div><div></div><div>So, Cbc works. AndGurobi has a problem ...</div><div></div><div>22.03.2015, 11:25, "John Forrest" <john.forrest@fastercoin.com>:</div><blockquote type="cite"><div bgcolor="#FFFFFF"><div>Alexander,<br /> <br /> I don't know what the standard .lp format is - but Cbc does not like > 0 - it wants >= 0.<br /> <br /> Fixing that (and <), I do get infeasible with preprocessing and 2.8. With 2.9 (or without preprocessing) I get <span>1487170</span>.887.<br /> <br /> Given the size of the coefficients in the objective, I am not too worried about small discrepancy.<br /> <br /> John Forrest<br /> On 19/03/15 14:11, Alexander Timmermeister wrote:</div><blockquote cite="mid:44CED8F8B7CF4844B7E79666F8DB561201396B4A0D@VM-Exchange2010.intranet.lan" type="cite"><div><p>Hi all,</p><p></p><p><span lang="EN-US">I have a MIP for which cbc returns infeasible for no obvious reason (I am quite certain that there is a feasible solution). I used cbc 2.8.13.</span></p><p><span lang="EN-US"></span></p><p><span lang="EN-US">I tried to solve it using Gurobi 6.0.2 and it returned a solution of value <span>1487126</span>.75.</span></p><p><span lang="EN-US"></span></p><p><span lang="EN-US">Can anyone help me with this?</span></p><p><span lang="EN-US"></span></p><p><span lang="EN-US">I attached a file which should be in standard *.lp-file format.</span></p><p><span lang="EN-US"></span></p><p>Thanks in Advance,</p><p>Alexander Timmermeister<span> </span><b><span lang="FR" style="font-size:36pt;color:#7f7f7f;"></span></b></p><p></p></div><br /> <br /><pre>_______________________________________________
Cbc mailing list
<a href="mailto:Cbc@list.coin-or.org">Cbc@list.coin-or.org</a>
<a href="http://list.coin-or.org/mailman/listinfo/cbc">http://list.coin-or.org/mailman/listinfo/cbc</a>
</pre></blockquote></div>,<p>_______________________________________________<br />Cbc mailing list<br /><a href="mailto:Cbc@list.coin-or.org">Cbc@list.coin-or.org</a><br /><a href="http://list.coin-or.org/mailman/listinfo/cbc">http://list.coin-or.org/mailman/listinfo/cbc</a></p></blockquote>