Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:53:23 2013

Optimize a model with 8176 rows, 7896 columns and 31416 nonzeros
Presolve removed 28 rows and 0 columns
Presolve time: 0.04s
Presolved: 8148 rows, 7896 columns, 31388 nonzeros
Variable types: 7868 continuous, 28 integer (28 binary)

Root relaxation: objective 3.702212e+04, 2047 iterations, 0.20 seconds

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

     0     0 37022.1213    0   25          - 37022.1213     -      -    0s
H    0     0                    39597.000000 37022.1213  6.50%     -    0s
     0     0 38764.2878    0    2 39597.0000 38764.2878  2.10%     -    0s
H    0     0                    39045.716136 38764.2878  0.72%     -    0s
H    0     0                    38912.000000 38764.2878  0.38%     -    0s
     0     0 38764.6854    0    2 38912.0000 38764.6854  0.38%     -    0s
     0     0 38773.5466    0    2 38912.0000 38773.5466  0.36%     -    0s
     0     0 38776.3737    0    1 38912.0000 38776.3737  0.35%     -    0s
H    0     0                    38900.000000 38776.3737  0.32%     -    0s
     0     2 38779.0000    0    1 38900.0000 38779.0000  0.31%     -    0s
*    5     2               5    38861.000000 38822.0000  0.10%  28.2    0s
*    6     0               2    38822.000000 38822.0000   0.0%  24.3    0s

Cutting planes:
  Implied bound: 21

Explored 7 nodes (2785 simplex iterations) in 0.77 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.882200000000e+04, best bound 3.882200000000e+04, gap 0.0%