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<p>Unable to reproduce - runs fine for me.<br>
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<img width="16" height="16" src="cid:1__=0ABBFCD5DFA13C648f9e8a93df938@us.ibm.com" border="0" alt="Inactive hide details for Matthew Galati ---10/03/2009 03:33:48 PM---I let it run for a while but no progress was reported - it"><font color="#424282">Matthew Galati ---10/03/2009 03:33:48 PM---I let it run for a while but no progress was reported - it looks stuck. <a href="http://coral.ie.lehigh.edu/~">http://coral.ie.lehigh.edu/~</a></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__=0ABBFCD5DFA13C648f9e8a93df938@us.ibm.com" border="0" alt=""><br>
<font size="2">Matthew Galati <Matthew.Galati@sas.com></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__=0ABBFCD5DFA13C648f9e8a93df938@us.ibm.com" border="0" alt=""><br>
<font size="2">"cbc@list.coin-or.org" <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__=0ABBFCD5DFA13C648f9e8a93df938@us.ibm.com" border="0" alt=""><br>
<font size="2">10/03/2009 03:33 PM</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__=0ABBFCD5DFA13C648f9e8a93df938@us.ibm.com" border="0" alt=""><br>
<font size="2">[Cbc] CBC Stable 2.3 stuck on tiny MIP</font></td></tr>
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<font size="2" color="#5F5F5F">Sent by:</font></td><td width="100%"><img width="1" height="1" src="cid:2__=0ABBFCD5DFA13C648f9e8a93df938@us.ibm.com" border="0" alt=""><br>
<font size="2">cbc-bounces@list.coin-or.org</font></td></tr>
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I let it run for a while but no progress was reported - it looks stuck.<br>
<br>
<a href="http://coral.ie.lehigh.edu/~magh/tmp/PRICE_AND_CUT_subProb_relax.n21.c0.p5.b0.lp">http://coral.ie.lehigh.edu/~magh/tmp/PRICE_AND_CUT_subProb_relax.n21.c0.p5.b0.lp</a><br>
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[magala@orclus71 bin]$ ./cbc PRICE_AND_CUT_subProb_relax.n21.c0.p5.b0.lp<br>
Coin Cbc and Clp Solver version 2.3stable, build Oct 3 2009<br>
command line - ./cbc PRICE_AND_CUT_subProb_relax.n21.c0.p5.b0.lp (default strategy 1)<br>
Continuous objective value is -9372.08 - 0.00 seconds<br>
Cgl0003I 0 fixed, 0 tightened bounds, 2 strengthened rows, 0 substitutions<br>
Cgl0003I 0 fixed, 0 tightened bounds, 2 strengthened rows, 0 substitutions<br>
Cgl0003I 0 fixed, 0 tightened bounds, 2 strengthened rows, 0 substitutions<br>
Cgl0003I 0 fixed, 0 tightened bounds, 2 strengthened rows, 0 substitutions<br>
Cgl0004I processed model has 6 rows, 20 columns (20 integer) and 30 elements<br>
Cbc0038I Solution found of -9120.53<br>
Cbc0038I Branch and bound needed to clear up 1 general integers<br>
Cbc0038I Full problem 6 rows 20 columns, reduced to 2 rows 5 columns<br>
Cbc0038I Cleaned solution of -8884.54<br>
Cbc0038I Before mini branch and bound, 19 integers at bound fixed and 0 continuous<br>
Cbc0038I Mini branch and bound improved solution from -8884.54 to -8884.54 (0.01 seconds)<br>
Cbc0038I Round again with cutoff of -8908.14<br>
Cbc0038I Reduced cost fixing fixed 4 variables on major pass 2<br>
Cbc0038I Solution found of -9120.53<br>
Cbc0038I Branch and bound needed to clear up 1 general integers<br>
Cbc0038I Full problem 7 rows 20 columns, reduced to 3 rows 5 columns<br>
Terminated<br>
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Cplex 10.2 gives:<br>
MIP - Integer optimal solution: Objective = -8.9305853659e+03<br>
Solution time = 0.02 sec. Iterations = 33 Nodes = 34<tt>_______________________________________________<br>
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