<html><head><meta http-equiv="Content-Type" content="text/html charset=utf-8"><meta http-equiv="Content-Type" content="text/html charset=us-ascii"><meta http-equiv="Content-Type" content="text/html charset=us-ascii"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class=""><meta http-equiv="Content-Type" content="text/html charset=utf-8" class=""><meta http-equiv="Content-Type" content="text/html charset=us-ascii" class=""><meta http-equiv="Content-Type" content="text/html charset=utf-8" class=""><div class=""><br class=""><div class=""><blockquote type="cite" class=""><div class="">Le 16 févr. 2017 à 11:38, Ted Ralphs <<a href="mailto:ted@lehigh.edu" class="">ted@lehigh.edu</a>> a écrit :</div><br class="Apple-interchange-newline"><div class=""><div dir="ltr" class=""><div class=""><div class="">Hi Romain,<br class=""><br class="">Are you using DIP as a generic solver or have you built an application? Can you send the .lp file and the block file, as well as other information, such as version number, platform, compiler, etc.? I would like to try and replicate this.<br class=""><br class=""></div>Cheers,<br class=""><br class=""></div>Ted<br class=""></div><div class="gmail_extra"><br class=""><div class="gmail_quote">On Thu, Feb 9, 2017 at 6:36 PM, Romain Montagné <span dir="ltr" class=""><<a href="mailto:romain.montagne@polymtl.ca" target="_blank" class="">romain.montagne@polymtl.ca</a>></span> wrote:<br class=""><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div style="word-wrap:break-word" class="">PS: After saying the problem is infeasible, I get the following error: <span style="font-family:'Source Sans Pro',sans-serif;font-size:14px;background-color:rgba(123,123,123,0.0980392)" class="">"Segmentation fault (core dumped)"</span><div class=""><div class="h5"><div class=""><br class=""></div><div class=""><br class=""><div class=""><blockquote type="cite" class=""><div class="">Le 9 févr. 2017 à 17:45, Romain Montagné <<a href="mailto:romain.montagne@polymtl.ca" target="_blank" class="">romain.montagne@polymtl.ca</a>> a écrit :</div><br class="m_-7755450750370568469Apple-interchange-newline"><div class=""><div style="word-wrap:break-word" class="">Hello DIP community,<div class=""><br class=""></div><div class="">I am using Dippy to solve a MILP. I want to compare branch-and-bound and branch-and-price performances. </div><div class=""><br class=""></div><div class="">When I solve the problem with branch-and-bound (i.e., with the option <font class=""><font face="Menlo" class=""><font color="#272ad8" class=""><span style="font-size:11px" class="">‘doPriceCut’ </span></font></font><font class="">set to 0), it works great. But when I activate the </font></font><span style="color:rgb(39,42,216);font-family:Menlo;font-size:11px" class="">‘doPriceCut’ </span>option for branch-and-price, it tells me the problem is infeasible. </div><div class=""><br class=""></div><div class="">Does anyone know what is happening? </div><div class=""><br class=""></div><div class="">I have looked at the .lp file as well as the block file and they look ok.</div><div class=""><br class=""></div><div class="">Any help is greatly appreciated.</div><div class=""><br class=""></div><div class="">Cheers,</div><div class=""><br class=""></div><div class="">Romain Montagné, PhD </div></div></div></blockquote></div><br class=""></div></div></div></div><br class="">______________________________<wbr class="">_________________<br class="">
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<a href="https://urldefense.proofpoint.com/v2/url?u=http-3A__list.coin-2Dor.org_mailman_listinfo_dip&d=CwICAg&c=Ngd-ta5yRYsqeUsEDgxhcqsYYY1Xs5ogLxWPA_2Wlc4&r=rnUB298ByR5BGgo6vv2b6g&m=SQ6EyINjMS0JVGwJJandNupwBLGNKe61En7rTWKugOY&s=-XIQIHlDQ8zaq0_-XbJ7Y9UA_fut5QgegRRy2uMeO1k&e=" rel="noreferrer" target="_blank" class="">https://urldefense.proofpoint.<wbr class="">com/v2/url?u=http-3A__list.<wbr class="">coin-2Dor.org_mailman_<wbr class="">listinfo_dip&d=CwICAg&c=Ngd-<wbr class="">ta5yRYsqeUsEDgxhcqsYYY1Xs5ogLx<wbr class="">WPA_2Wlc4&r=<wbr class="">rnUB298ByR5BGgo6vv2b6g&m=<wbr class="">SQ6EyINjMS0JVGwJJandNupwBLGNKe<wbr class="">61En7rTWKugOY&s=-<wbr class="">XIQIHlDQ8zaq0_-XbJ7Y9UA_<wbr class="">fut5QgegRRy2uMeO1k&e=</a> <br class=""></blockquote></div><br class=""><br clear="all" class=""><br class="">-- <br class=""><div class="gmail_signature" data-smartmail="gmail_signature"><div dir="ltr" class=""><div class=""><div dir="ltr" class="">Dr. Ted Ralphs<br class="">Visiting Researcher, Zuse Institute Berlin<br class="">Professor, Lehigh University<br class="">(610) 628-1280<br class="">ted 'at' lehigh 'dot' edu<br class=""><a href="http://coral.ie.lehigh.edu/~ted" target="_blank" class="">coral.ie.lehigh.edu/~ted</a><br class=""></div></div></div></div>
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