Gurobi 5.0.1 (linux64) logging started Sat Nov 17 02:10:05 2012

Optimize a model with 59295 rows, 47742 columns and 224538 nonzeros
Presolve removed 455 rows and 3708 columns
Presolve time: 4.16s
Presolved: 58840 rows, 44034 columns, 219202 nonzeros
Variable types: 0 continuous, 44034 integer (44034 binary)
Found heuristic solution: objective 218.0000000

Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   36380    3.0000683e+00   3.804000e+02   0.000000e+00      5s
   46400    3.0001208e+00   4.557529e+02   0.000000e+00     10s
   50066    3.0001373e+00   2.235322e+03   0.000000e+00     15s
   53732    3.0001450e+00   1.868277e+03   0.000000e+00     20s
   57116    3.0001517e+00   3.223880e+01   0.000000e+00     25s
   60500    3.0001579e+00   2.894630e+02   0.000000e+00     30s
   63884    3.0001643e+00   4.685520e+02   0.000000e+00     35s
   66986    3.0001698e+00   1.339247e+02   0.000000e+00     40s
   70088    3.0001752e+00   6.866535e+01   0.000000e+00     45s
   73049    3.0001795e+00   2.740713e+02   0.000000e+00     50s
   75869    3.0001835e+00   2.633832e+01   0.000000e+00     55s
   78830    3.0001916e+00   1.874937e+01   0.000000e+00     60s
   81687    3.0000000e+00   0.000000e+00   0.000000e+00     64s

Root relaxation: objective 3.000000e+00, 81687 iterations, 64.03 seconds
Total elapsed time = 111.37s
Total elapsed time = 119.20s
Total elapsed time = 121.30s

    Nodes    |    Current Node    |     Objective Bounds      |     Work
 Expl Unexpl |  Obj  Depth IntInf | Incumbent    BestBd   Gap | It/Node Time

     0     0    3.00000    0   75  218.00000    3.00000  98.6%     -  126s
H    0     0                       3.0000000    3.00000   0.0%     -  126s

Explored 0 nodes (192903 simplex iterations) in 126.39 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.000000000000e+00, best bound 3.000000000000e+00, gap 0.0%