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<p class=MsoNormal>I let it run for a while but no progress was reported - it
looks stuck.<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>http://coral.ie.lehigh.edu/~magh/tmp/PRICE_AND_CUT_subProb_relax.n21.c0.p5.b0.lp<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>[magala@orclus71 bin]$ ./cbc
PRICE_AND_CUT_subProb_relax.n21.c0.p5.b0.lp<o:p></o:p></p>
<p class=MsoNormal>Coin Cbc and Clp Solver version 2.3stable, build Oct 3 2009<o:p></o:p></p>
<p class=MsoNormal>command line - ./cbc
PRICE_AND_CUT_subProb_relax.n21.c0.p5.b0.lp (default strategy 1)<o:p></o:p></p>
<p class=MsoNormal>Continuous objective value is -9372.08 - 0.00 seconds<o:p></o:p></p>
<p class=MsoNormal>Cgl0003I 0 fixed, 0 tightened bounds, 2 strengthened rows, 0
substitutions<o:p></o:p></p>
<p class=MsoNormal>Cgl0003I 0 fixed, 0 tightened bounds, 2 strengthened rows, 0
substitutions<o:p></o:p></p>
<p class=MsoNormal>Cgl0003I 0 fixed, 0 tightened bounds, 2 strengthened rows, 0
substitutions<o:p></o:p></p>
<p class=MsoNormal>Cgl0003I 0 fixed, 0 tightened bounds, 2 strengthened rows, 0
substitutions<o:p></o:p></p>
<p class=MsoNormal>Cgl0004I processed model has 6 rows, 20 columns (20 integer)
and 30 elements<o:p></o:p></p>
<p class=MsoNormal>Cbc0038I Solution found of -9120.53<o:p></o:p></p>
<p class=MsoNormal>Cbc0038I Branch and bound needed to clear up 1 general
integers<o:p></o:p></p>
<p class=MsoNormal>Cbc0038I Full problem 6 rows 20 columns, reduced to 2 rows 5
columns<o:p></o:p></p>
<p class=MsoNormal>Cbc0038I Cleaned solution of -8884.54<o:p></o:p></p>
<p class=MsoNormal>Cbc0038I Before mini branch and bound, 19 integers at bound
fixed and 0 continuous<o:p></o:p></p>
<p class=MsoNormal>Cbc0038I Mini branch and bound improved solution from
-8884.54 to -8884.54 (0.01 seconds)<o:p></o:p></p>
<p class=MsoNormal>Cbc0038I Round again with cutoff of -8908.14<o:p></o:p></p>
<p class=MsoNormal>Cbc0038I Reduced cost fixing fixed 4 variables on major pass
2<o:p></o:p></p>
<p class=MsoNormal>Cbc0038I Solution found of -9120.53<o:p></o:p></p>
<p class=MsoNormal>Cbc0038I Branch and bound needed to clear up 1 general
integers<o:p></o:p></p>
<p class=MsoNormal>Cbc0038I Full problem 7 rows 20 columns, reduced to 3 rows 5
columns<o:p></o:p></p>
<p class=MsoNormal>Terminated<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>Cplex 10.2 gives:<o:p></o:p></p>
<p class=MsoNormal> MIP - Integer optimal solution: Objective =
-8.9305853659e+03<o:p></o:p></p>
<p class=MsoNormal> Solution time = 0.02 sec. Iterations = 33 Nodes = 34<o:p></o:p></p>
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