Hi experts<div><br></div><div>I would like to report a assert error got using bonmin with cplex 12.3 and B-OA algorithm:</div><div><br></div><div>################################################################################</div>
<div><div>wendel@w-NET:~/bonmin/Bonmin-1.5.1/bin$ ./bonmin CLay0203M.nl</div><div>Bonmin 1.5.1 using Cbc 2.7.2 and Ipopt 3.10.1</div><div><br></div><div><br></div><div>******************************************************************************</div>
<div>This program contains Ipopt, a library for large-scale nonlinear optimization.</div><div> Ipopt is released as open source code under the Eclipse Public License (EPL).</div><div> For more information visit <a href="http://projects.coin-or.org/Ipopt">http://projects.coin-or.org/Ipopt</a></div>
<div>******************************************************************************</div><div><br></div><div>NLP0012I </div><div> Num Status Obj It time Location</div>
<div>NLP0014I 1 OPT -1.279946e-055.5g 8 0.02g build initial OA</div><div>IBM ILOG License Manager: "IBM ILOG Optimization Suite for Academic Initiative" is accessing CPLEX 12 with option(s): "e m b q ".</div>
<div>CPX0000 Parallel mode: deterministic, using up to 2 threads for concurrent optimization.</div><div>CPX0000 Initializing dual steep norms . . .</div><div>CPX0000</div><div>CPX0000 Iteration log . . .</div><div>CPX0000 Iteration: 1 Dual objective = 0.000000</div>
<div>CPX0000 Reinitializing dual norms . . .</div><div>CPX0000</div><div>CPX0000 Dual simplex</div><div>NLP0014I 2 INFEAS 0.862440075.5g 44 0.14g OA decomposition</div><div>bonmin: BonOACutGenerator2.cpp:218: virtual double Bonmin::OACutGenerator2::performOa(OsiCuts&, Bonmin::OaDecompositionBase::solverManip&, Bonmin::BabInfo*, double&, const CglTreeInfo&) const: Assertion `cutoff < ub' failed.</div>
<div>Abortado</div><div>################################################################################</div></div><div><br></div><div>The nl input file and the bonmin.opt file are attached. With some others nl files I have gotten the same error with B-OA algorithm</div>
<div><br clear="all"><div><br></div><div>Best regards</div><div><br></div>-- <br>Wendel Alexandre Melo<br>
</div><div>Master degree student</div><div>COPPE, Federal University of Rio de Janeiro</div>