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<div class="moz-cite-prefix">Haroldo, Rudi,<br>
<br>
With that build I managed to get error. Went away for me with
<= so bad (and unlucky) assert.<br>
<br>
Will change to <=<br>
<br>
John<br>
On 12/01/17 11:53, Haroldo Gambini Santos wrote:<br>
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<p>Hi Forrest,</p>
<p>Crashed in my fresh cbc build (rev 2322).</p>
<p>Built with Blas, Lapack and Glpk, <br>
</p>
<p>build flags:</p>
<p>export CFLAGS="-O2 -g" ; export CXXFLAGS="-O2 -g" ; ./configure
--prefix=/usr --enable-cbc-parallel --enable-gnu-packages
ADD_CXXFLAGS="-O2 -g" LDFLAGS="-lz -lpthread -lrt" ; make clean</p>
<p> Assertion `fabs(floor(value + 0.5) - value) <
integerTolerance<br>
</p>
<b>Debugging:</b><b><br>
</b><b>value: 9.9999999999999995e-07</b><b><br>
</b><br>
<br>
<br>
<div class="moz-cite-prefix">Em 12/01/2017 07:31, John Forrest
escreveu:<br>
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<div class="moz-cite-prefix">Rudi,<br>
<br>
Unable to reproduce error.<br>
<br>
What compiler and configure options were used (and what
parameters for cbc).<br>
<br>
John Forrest<br>
<br>
<br>
On 11/01/17 18:40, Rudi Araújo wrote:<br>
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<p class="MsoNormal">Hi,</p>
<p class="MsoNormal"> </p>
<p class="MsoNormal"><span lang="EN-GB">The attached LP
causes CBC to run into a failed assertion.</span></p>
<p class="MsoNormal"><span lang="EN-GB"> </span></p>
<p class="MsoNormal"><span lang="EN-GB">Cbc0038I Pass 52:
suminf. 1.75343 (4) obj. 470151 iterations 39</span></p>
<p class="MsoNormal"><span lang="EN-GB">Cbc0038I Pass 53:
suminf. 1.00847 (6) obj. 470151 iterations 49</span></p>
<p class="MsoNormal"><span lang="EN-GB">Cbc0038I No solution
found this major pass</span></p>
<p class="MsoNormal"><span lang="EN-GB">Cbc0038I Before mini
branch and bound, 125 integers at bound fixed and 0
continuous</span></p>
<p class="MsoNormal"><span lang="EN-GB">Cbc0038I Full
problem 157 rows 227 columns, reduced to 79 rows 82
columns</span></p>
<p class="MsoNormal"><span lang="EN-GB">Assertion failed!</span></p>
<p class="MsoNormal"><span lang="EN-GB"> </span></p>
<p class="MsoNormal"><span lang="EN-GB">Program: ...</span></p>
<p class="MsoNormal"><span lang="EN-GB">File:
../../../Cbc/src/CbcHeuristic.cpp, Line 2528</span></p>
<p class="MsoNormal"><span lang="EN-GB"> </span></p>
<p class="MsoNormal"><span lang="EN-GB">Expression:
fabs(floor(value + 0.5) - value) < integerTolerance</span></p>
<p class="MsoNormal"><span lang="EN-GB"> </span></p>
<p class="MsoNormal"><span lang="EN-GB">We tried running
with 2.9, 2.9.8 and a recent trunk build (from some days
ago) and the failure is consistent.</span></p>
<p class="MsoNormal"><span lang="EN-GB"> </span></p>
<p class="MsoNormal"><span lang="EN-GB">Can you take a look
at it?</span></p>
<p class="MsoNormal"><span lang="EN-GB"> </span></p>
<p class="MsoNormal"><span lang="EN-GB">Thank you in
advance,</span></p>
<p class="MsoNormal"><span lang="EN-GB"><br>
Rudi Araújo <br>
</span><span lang="EN-GB">Software Engineer </span><span
lang="EN-GB"><br>
<br>
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<pre class="moz-signature" cols="72">--
==================================================
Haroldo Gambini Santos
D.Sc, Computer Science
Universidade Federal de Ouro Preto
<a moz-do-not-send="true" class="moz-txt-link-freetext" href="http://www.decom.ufop.br/haroldo/">http://www.decom.ufop.br/haroldo/</a></pre>
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