Hi Ashutosh,<div>This is fixed in stable/1.5 (will fix in next release).</div><div>Best,</div><div>Pierre<br><br><div class="gmail_quote">On Tue, Jan 10, 2012 at 3:37 AM, Ashutosh Mahajan <span dir="ltr"><<a href="mailto:asm4@lehigh.edu">asm4@lehigh.edu</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">I was trying to solve using OA CLay0203H.nl, which is a benchmark problem from<br>
CMU. I get the following assert<br>
<br>
[mahajan@flogin3 bonmin-1.5.1-minlp-oa]$ cat bonmin.opt<br>
bonmin.algorithm B-OA<br>
bonmin.time_limit 7200.0<br>
bonmin.nlp_log_level 0<br>
bonmin.bb_log_level 1<br>
bonmin.bb_log_interval 1000<br>
<br>
[mahajan@flogin3 bonmin-1.5.1-minlp-oa]$ cat CLay0203H.out<br>
Bonmin 1.5.1 using Cbc 2.7.2 and Ipopt <a href="tel:3.10.1" value="+333101">3.10.1</a><br>
<br>
<br>
******************************************************************************<br>
This program contains Ipopt, a library for large-scale nonlinear optimization.<br>
Ipopt is released as open source code under the Eclipse Public License (EPL).<br>
For more information visit <a href="http://projects.coin-or.org/Ipopt" target="_blank">http://projects.coin-or.org/Ipopt</a><br>
******************************************************************************<br>
<br>
bonmin:<br>
../../../../../Bonmin/src/Algorithms/OaGenerators/BonOACutGenerator2.cpp:218:<br>
virtual double Bonmin::OACutGenerator2::performOa(OsiCuts&,<br>
Bonmin::OaDecompositionBase::solverManip&, Bonmin::BabInfo*,<br>
double&, const CglTreeInfo&) const: Assertion `cutoff < ub' failed.<br>
<br>
Cheers.<br>
<span class="HOEnZb"><font color="#888888">--<br>
regards<br>
Ashutosh Mahajan<br>
<a href="http://coral.ie.lehigh.edu/~asm4" target="_blank">http://coral.ie.lehigh.edu/~asm4</a><br>
<br>
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</font></span></blockquote></div><br></div>