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<p>Christoph,<br>
<br>
Ouch!<br>
<br>
The optimal solution to the problem has integer variables with values ranging from one up to 1.0e10! Cbc allows integer variables to have larger values but I suspect large areas of the code have not been tested with such values.<br>
<br>
At first I got a different error, but I managed to get exactly the one you mentioned. That I have fixed but the other error remained if I turned on preprocessing.<br>
<br>
I suppose I could ask if you need such large values - but 1.0e10 would only rescue a very small bank.<br>
<br>
I will look at it slowly.<br>
<br>
John<br>
<br>
<img width="16" height="16" src="cid:1__=0ABBFF07DFA423F68f9e8a93df938@us.ibm.com" border="0" alt="Inactive hide details for Christoph Cullmann ---04/07/2009 03:23:21 AM---Hi,"><font color="#424282">Christoph Cullmann ---04/07/2009 03:23:21 AM---Hi,</font><br>
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<font size="2" color="#5F5F5F">From:</font></td><td width="100%"><img width="1" height="1" src="cid:2__=0ABBFF07DFA423F68f9e8a93df938@us.ibm.com" border="0" alt=""><br>
<font size="2">Christoph Cullmann <cullmann@absint.de></font></td></tr>
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<font size="2" color="#5F5F5F">To:</font></td><td width="100%"><img width="1" height="1" src="cid:2__=0ABBFF07DFA423F68f9e8a93df938@us.ibm.com" border="0" alt=""><br>
<font size="2">cbc@list.coin-or.org</font></td></tr>
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<font size="2" color="#5F5F5F">Date:</font></td><td width="100%"><img width="1" height="1" src="cid:2__=0ABBFF07DFA423F68f9e8a93df938@us.ibm.com" border="0" alt=""><br>
<font size="2">04/07/2009 03:23 AM</font></td></tr>
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<font size="2" color="#5F5F5F">Subject:</font></td><td width="100%"><img width="1" height="1" src="cid:2__=0ABBFF07DFA423F68f9e8a93df938@us.ibm.com" border="0" alt=""><br>
<font size="2">[Cbc] Assertion failure, stable 2.2 branch</font></td></tr>
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<br>
<tt>Hi,<br>
<br>
I get the following assertion with the attached file:<br>
<br>
CglProbing.cpp:3404: int CglProbing::probe(const OsiSolverInterface&,<br>
const OsiRowCutDebugger*, OsiCuts&, double*, double*, CoinPackedMatrix*,<br>
CoinPackedMatrix*, const CoinBigIndex*, const int*, const double*, const<br>
double*, const char*, double*, double*, int*, CglTreeInfo*) const: Assertion<br>
`(markIt&8)!=0' failed.<br>
<br>
Compiled with VC 2008 SP1.<br>
<br>
Greetings<br>
<br>
Christoph<br>
<br>
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