Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:59:11 2013

Optimize a model with 16480 rows, 16080 columns and 64080 nonzeros
Presolve removed 40 rows and 0 columns
Presolve time: 0.07s
Presolved: 16440 rows, 16080 columns, 64040 nonzeros
Variable types: 16040 continuous, 40 integer (40 binary)

Root relaxation: objective 3.362604e+04, 1789 iterations, 0.32 seconds

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

     0     0 33626.0437    0   32          - 33626.0437     -      -    0s
H    0     0                    41641.000000 33626.0437  19.2%     -    0s
     0     0 38091.8292    0    7 41641.0000 38091.8292  8.52%     -    1s
H    0     0                    40368.022939 38091.8292  5.64%     -    1s
H    0     0                    39512.000000 38091.8292  3.59%     -    1s
     0     0 38297.2737    0    4 39512.0000 38297.2737  3.07%     -    1s
H    0     0                    39384.026165 38297.2737  2.76%     -    1s
H    0     0                    38778.000000 38297.2737  1.24%     -    1s
     0     0 38307.1194    0    2 38778.0000 38307.1194  1.21%     -    1s
H    0     0                    38537.000000 38307.1194  0.60%     -    1s
H    0     0                    38473.000000 38307.1194  0.43%     -    1s
     0     2 38307.1879    0    2 38473.0000 38307.1879  0.43%     -    1s
*   10     1               3    38399.000000 38388.5714  0.03%  84.5    1s

Cutting planes:
  Gomory: 1
  Implied bound: 33

Explored 12 nodes (3740 simplex iterations) in 1.99 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.839900000000e+04, best bound 3.839900000000e+04, gap 0.0%