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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,<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span lang="EN-GB">The attached LP causes
CBC to run into a failed assertion.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB"><o:p> </o:p></span></p>
<p class="MsoNormal"
style="margin-left:35.4pt;text-autospace:none"><span
style="font-size:10.0pt;font-family:Consolas" lang="EN-GB">Cbc0038I
Pass 52: suminf. 1.75343 (4) obj. 470151 iterations 39<o:p></o:p></span></p>
<p class="MsoNormal"
style="margin-left:35.4pt;text-autospace:none"><span
style="font-size:10.0pt;font-family:Consolas" lang="EN-GB">Cbc0038I
Pass 53: suminf. 1.00847 (6) obj. 470151 iterations 49<o:p></o:p></span></p>
<p class="MsoNormal"
style="margin-left:35.4pt;text-autospace:none"><span
style="font-size:10.0pt;font-family:Consolas" lang="EN-GB">Cbc0038I
No solution found this major pass<o:p></o:p></span></p>
<p class="MsoNormal"
style="margin-left:35.4pt;text-autospace:none"><span
style="font-size:10.0pt;font-family:Consolas" lang="EN-GB">Cbc0038I
Before mini branch and bound, 125 integers at bound fixed
and 0 continuous<o:p></o:p></span></p>
<p class="MsoNormal"
style="margin-left:35.4pt;text-autospace:none"><span
style="font-size:10.0pt;font-family:Consolas" lang="EN-GB">Cbc0038I
Full problem 157 rows 227 columns, reduced to 79 rows 82
columns<o:p></o:p></span></p>
<p class="MsoNormal"
style="margin-left:35.4pt;text-autospace:none"><span
style="font-size:10.0pt;font-family:Consolas" lang="EN-GB">Assertion
failed!<o:p></o:p></span></p>
<p class="MsoNormal"
style="margin-left:35.4pt;text-autospace:none"><span
style="font-size:10.0pt;font-family:Consolas" lang="EN-GB"><o:p> </o:p></span></p>
<p class="MsoNormal"
style="margin-left:35.4pt;text-autospace:none"><span
style="font-size:10.0pt;font-family:Consolas" lang="EN-GB">Program:
...<o:p></o:p></span></p>
<p class="MsoNormal"
style="margin-left:35.4pt;text-autospace:none"><span
style="font-size:10.0pt;font-family:Consolas" lang="EN-GB">File:
../../../Cbc/src/CbcHeuristic.cpp, Line 2528<o:p></o:p></span></p>
<p class="MsoNormal"
style="margin-left:35.4pt;text-autospace:none"><span
style="font-size:10.0pt;font-family:Consolas" lang="EN-GB"><o:p> </o:p></span></p>
<p class="MsoNormal"
style="margin-left:35.4pt;text-autospace:none"><span
style="font-size:10.0pt;font-family:Consolas" lang="EN-GB">Expression:
fabs(floor(value + 0.5) - value) < integerTolerance<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB"><o:p> </o:p></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.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB">Can you take a look at
it?<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB">Thank you in advance,<o:p></o:p></span></p>
<p class="MsoNormal"><span
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Rudi Araújo <br>
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<pre wrap="">_______________________________________________
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