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<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Hi John.<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Yes, I am deleting columns – so I assume that was the issue. If
I switch off enableSimplexInterface things work fine. The only reason I had put
it on was to use getBasics – but I realized that I could just getWarmStart, since
all I need is the status info. So, I don’t need simplex interface after all.<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Maybe you can add an error (or assertion/exception) to a user if
they try to delete a column/row with simplex interface on?<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Thanks!<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Matt<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span
style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> John J Forrest
[mailto:jjforre@us.ibm.com] <br>
<b>Sent:</b> Friday, September 11, 2009 5:33 AM<br>
<b>To:</b> Matthew Galati<br>
<b>Subject:</b> Re: [Clp] ABR in ClpSimplex:deleteRim using simplexInterface<o:p></o:p></span></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>Matt,<br>
<br>
If you can switch off enableSimplexInterface then it probably won't happen.<br>
<br>
You can't add/delete rows or columns while enableSimplexInterface is on. Are
you?<br>
<br>
John<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
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<p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span
style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> John J Forrest
[mailto:jjforre@us.ibm.com] <br>
<b>Sent:</b> Thursday, September 10, 2009 12:50 PM<br>
<b>To:</b> Matthew Galati<br>
<b>Cc:</b> clp@list.coin-or.org; clp-bounces@list.coin-or.org;
osi@list.coin-or.org<br>
<b>Subject:</b> Re: [Clp] ABR in ClpSimplex:deleteRim using simplexInterface<o:p></o:p></span></p>
</div>
</div>
<p class=MsoNormal><o:p> </o:p></p>
<p style='margin-bottom:12.0pt'>But how can I reproduce bug?<br>
<br>
<img width=16 height=16 id="_x0000_i1025"
src="cid:image001.gif@01CA32C2.1673C310"
alt="Inactive hide details for Matthew Galati ---09/10/2009 12:45:05 PM---https://projects.coin-or.org/Clp/ticket/33 [E] ABR: Array "><span
style='color:#424282'>Matthew Galati ---09/10/2009 12:45:05 PM---https://projects.coin-or.org/Clp/ticket/33
[E] ABR: Array bounds read in ClpSimplex::deleteRim(int)</span><o:p></o:p></p>
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<td width="1%" valign=top style='width:1.0%;padding:0in 0in 0in 0in'>
<p class=MsoNormal><img width=96 height=1 id="_x0000_i1026"
src="cid:image002.png@01CA32C2.1673C310"><br>
<span style='font-size:10.0pt;color:#5F5F5F'>From:</span><o:p></o:p></p>
</td>
<td width="100%" valign=top style='width:100.0%;padding:0in 0in 0in 0in'>
<p class=MsoNormal><img width=1 height=1 id="_x0000_i1027"
src="cid:image003.png@01CA32C2.1673C310"><br>
<span style='font-size:10.0pt'>Matthew Galati <Matthew.Galati@sas.com></span><o:p></o:p></p>
</td>
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<tr>
<td width="1%" valign=top style='width:1.0%;padding:0in 0in 0in 0in'>
<p class=MsoNormal><img width=96 height=1 id="_x0000_i1028"
src="cid:image002.png@01CA32C2.1673C310"><br>
<span style='font-size:10.0pt;color:#5F5F5F'>To:</span><o:p></o:p></p>
</td>
<td width="100%" valign=top style='width:100.0%;padding:0in 0in 0in 0in'>
<p class=MsoNormal><img width=1 height=1 id="_x0000_i1029"
src="cid:image003.png@01CA32C2.1673C310"><br>
<span style='font-size:10.0pt'>"clp@list.coin-or.org" <clp@list.coin-or.org>,
"osi@list.coin-or.org" <osi@list.coin-or.org></span><o:p></o:p></p>
</td>
</tr>
<tr>
<td width="1%" valign=top style='width:1.0%;padding:0in 0in 0in 0in'>
<p class=MsoNormal><img width=96 height=1 id="_x0000_i1030"
src="cid:image002.png@01CA32C2.1673C310"><br>
<span style='font-size:10.0pt;color:#5F5F5F'>Date:</span><o:p></o:p></p>
</td>
<td width="100%" valign=top style='width:100.0%;padding:0in 0in 0in 0in'>
<p class=MsoNormal><img width=1 height=1 id="_x0000_i1031"
src="cid:image003.png@01CA32C2.1673C310"><br>
<span style='font-size:10.0pt'>09/10/2009 12:45 PM</span><o:p></o:p></p>
</td>
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<p class=MsoNormal><img width=96 height=1 id="_x0000_i1032"
src="cid:image002.png@01CA32C2.1673C310"><br>
<span style='font-size:10.0pt;color:#5F5F5F'>Subject:</span><o:p></o:p></p>
</td>
<td width="100%" valign=top style='width:100.0%;padding:0in 0in 0in 0in'>
<p class=MsoNormal><img width=1 height=1 id="_x0000_i1033"
src="cid:image003.png@01CA32C2.1673C310"><br>
<span style='font-size:10.0pt'>[Clp] ABR in ClpSimplex:deleteRim using
simplexInterface</span><o:p></o:p></p>
</td>
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<tr>
<td width="1%" valign=top style='width:1.0%;padding:0in 0in 0in 0in'>
<p class=MsoNormal><img width=96 height=1 id="_x0000_i1034"
src="cid:image002.png@01CA32C2.1673C310"><br>
<span style='font-size:10.0pt;color:#5F5F5F'>Sent by:</span><o:p></o:p></p>
</td>
<td width="100%" valign=top style='width:100.0%;padding:0in 0in 0in 0in'>
<p class=MsoNormal><img width=1 height=1 id="_x0000_i1035"
src="cid:image003.png@01CA32C2.1673C310"><br>
<span style='font-size:10.0pt'>clp-bounces@list.coin-or.org</span><o:p></o:p></p>
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<p class=MsoNormal style='margin-bottom:12.0pt'><br>
<br>
<br>
<a href="https://projects.coin-or.org/Clp/ticket/33">https://projects.coin-or.org/Clp/ticket/33</a><br>
<br>
[E] ABR: Array bounds read in ClpSimplex::deleteRim(int) {6 occurrences}<br>
Reading 8 bytes from 0x03fb0cd0 (8 bytes at 0x03fb0cd0 illegal)<br>
Address 0x03fb0cd0 is 1 byte past the end of a 520 byte block at 0x03fb0ac8<br>
Address 0x03fb0cd0 points to a C++ new block in heap 0x03f70000<br>
Thread ID: 0x1ae0<br>
Error location<br>
ClpSimplex::deleteRim(int)
[c:\cygwin\home\magala\coin\coin-decomp\clp\src\clpsimplex.cpp:4322]<br>
reducedCost_[i] = reducedCostWork_[i];<br>
}<br>
for (i=0;i<numberRows;i++) {<br>
=> double value = rowActivityWork_[i];<br>
double lower = rowLowerWork_[i];<br>
double upper = rowUpperWork_[i];<br>
if (lower>-1.0e20||upper<1.0e20) {<br>
ClpSimplex::finish(int)
[c:\cygwin\home\magala\coin\coin-decomp\clp\src\clpsimplex.cpp:8125]<br>
} else {<br>
whatsChanged_ &= ~0xffff;<br>
}<br>
=> deleteRim(getRidOfData);<br>
// Skip message if changing algorithms<br>
if (problemStatus_!=10) {<br>
if (problemStatus_==-1)<br>
OsiClpSolverInterface::disableSimplexInterface(void)
[c:\cygwin\home\magala\coin\coin-decomp\osi\src\osiclp\osiclpsolverinterface.cpp:5331]<br>
// message will not appear anyway<br>
int saveMessageLevel=modelPtr_->messageHandler()->logLevel();<br>
modelPtr_->messageHandler()->setLogLevel(0);<br>
=> modelPtr_->finish();<br>
modelPtr_->messageHandler()->setLogLevel(saveMessageLevel);<br>
modelPtr_->restoreData(saveData_);<br>
modelPtr_->scaling(saveData_.scalingFlag_);<br>
OsiClpSolverInterface::resolve(void)
[c:\cygwin\home\magala\coin\coin-decomp\osi\src\osiclp\osiclpsolverinterface.cpp:851]<br>
int saveSolveType=modelPtr_->solveType();<br>
bool doingPrimal = modelPtr_->algorithm()>0;<br>
if (saveSolveType==2) {<br>
=> disableSimplexInterface();<br>
}<br>
int saveOptions = modelPtr_->specialOptions();<br>
int startFinishOptions=0;<br>
DecompAlgo::solutionUpdate(DecompPhase,int,int)
[c:\cygwin\home\magala\coin\coin-decomp\decomp\src\decompalgo.cpp:1846]<br>
DecompAlgo::processNode(int,double,double) [c:\cygwin\home\magala\coin\coin-decomp\decomp\src\decompalgo.cpp:1452]<br>
AlpsDecompTreeNode::process(bool,bool)
[c:\cygwin\home\magala\coin\coin-decomp\decomp\src\alpsdecomptreenode.cpp:220]<br>
AlpsSubTree::exploreUnitWork(bool,int,double,AlpsExitStatus&,int&,int&,int&,int&,bool&)
[c:\cygwin\home\magala\coin\coin-decomp\alps\src\alpssubtree.cpp:1288]<br>
AlpsSubTree::exploreSubTree(AlpsTreeNode
*,int,double,int&,int&,int&,int&)
[c:\cygwin\home\magala\coin\coin-decomp\alps\src\alpssubtree.cpp:495]<br>
AlpsKnowledgeBrokerSerial::rootSearch(AlpsTreeNode *)
[c:\cygwin\home\magala\coin\coin-decomp\alps\src\alpsknowledgebrokerserial.cpp:226]<br>
Allocation location<br>
new(UINT) [f:\dd\vctools\crt_bld\self_x86\crt\src\new.cpp:57]<br>
<>=(UINT) [f:\dd\vctools\crt_bld\self_x86\crt\src\newaop.cpp:7]<br>
ClpSimplex::createRim(int,bool,int)
[c:\cygwin\home\magala\coin\coin-decomp\clp\src\clpsimplex.cpp:3257]<br>
delete [] dj_;<br>
dj_ = new double[numberTotal];<br>
delete [] solution_;<br>
=> solution_ = new double[numberTotal];<br>
}<br>
reducedCostWork_ = dj_;<br>
rowReducedCost_ = dj_+numberColumns_;<br>
ClpSimplex::startup(int,int)
[c:\cygwin\home\magala\coin\coin-decomp\clp\src\clpsimplex.cpp:7962]<br>
<br>
// put in standard form (and make row copy)<br>
// create modifiable copies of model rim and do optional scaling<br>
=> bool goodMatrix=createRim(7+8+16+32,true,startFinishOptions);<br>
<br>
if (goodMatrix) {<br>
// switch off factorization if bad<br>
OsiClpSolverInterface::enableSimplexInterface(bool)
[c:\cygwin\home\magala\coin\coin-decomp\osi\src\osiclp\osiclpsolverinterface.cpp:5312]<br>
#ifdef NDEBUG<br>
modelPtr_->startup(0);<br>
#else<br>
=> int returnCode=modelPtr_->startup(0);<br>
assert (!returnCode||returnCode==2);<br>
#endif<br>
modelPtr_->specialOptions_=saveOptions;<br>
OsiClpSolverInterface::resolve(void)
[c:\cygwin\home\magala\coin\coin-decomp\osi\src\osiclp\osiclpsolverinterface.cpp:1219]<br>
DecompAlgo::solutionUpdate(DecompPhase,int,int)
[c:\cygwin\home\magala\coin\coin-decomp\decomp\src\decompalgo.cpp:1846]<br>
DecompAlgo::processNode(int,double,double)
[c:\cygwin\home\magala\coin\coin-decomp\decomp\src\decompalgo.cpp:1191]<br>
AlpsDecompTreeNode::process(bool,bool)
[c:\cygwin\home\magala\coin\coin-decomp\decomp\src\alpsdecomptreenode.cpp:220]<br>
AlpsSubTree::exploreUnitWork(bool,int,double,AlpsExitStatus&,int&,int&,int&,int&,bool&)
[c:\cygwin\home\magala\coin\coin-decomp\alps\src\alpssubtree.cpp:1288]<tt><span
style='font-size:10.0pt'>_______________________________________________</span></tt><span
style='font-size:10.0pt;font-family:"Courier New"'><br>
<tt>Clp mailing list</tt><br>
<tt>Clp@list.coin-or.org</tt><br>
<tt><a href="http://list.coin-or.org/mailman/listinfo/clp">http://list.coin-or.org/mailman/listinfo/clp</a></tt><br>
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