Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:56:52 2013

Optimize a model with 407 rows, 13727 columns and 27417 nonzeros
Presolve time: 0.02s
Presolved: 407 rows, 13727 columns, 27417 nonzeros
Variable types: 13690 continuous, 37 integer (37 binary)

Root relaxation: objective 3.816439e+04, 527 iterations, 0.01 seconds

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

     0     0 38164.3870    0    8          - 38164.3870     -      -    0s
H    0     0                    39993.000000 38164.3870  4.57%     -    0s
     0     0 38365.6247    0    3 39993.0000 38365.6247  4.07%     -    0s
     0     0 38374.6719    0    4 39993.0000 38374.6719  4.05%     -    0s
     0     0 38381.2154    0    4 39993.0000 38381.2154  4.03%     -    0s
H    0     0                    39336.000000 38381.2154  2.43%     -    0s
     0     0 38387.1373    0    4 39336.0000 38387.1373  2.41%     -    0s
H    0     0                    39322.000000 38387.1373  2.38%     -    0s
     0     0 38389.1812    0    4 39322.0000 38389.1812  2.37%     -    0s
H    0     0                    39299.000000 38389.1812  2.32%     -    0s
H    0     0                    38473.000000 38389.1812  0.22%     -    0s
     0     0 38390.0652    0    4 38473.0000 38390.0652  0.22%     -    0s
     0     0 38391.1714    0    3 38473.0000 38391.1714  0.21%     -    0s
     0     0 38391.1714    0    3 38473.0000 38391.1714  0.21%     -    0s
     0     2 38399.1779    0    3 38473.0000 38399.1779  0.19%     -    0s
*    6     3               5    38426.000000 38422.1420  0.01%  12.3    0s

Cutting planes:
  Implied bound: 47
  Flow cover: 7

Explored 9 nodes (768 simplex iterations) in 0.33 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.842600000000e+04, best bound 3.842600000000e+04, gap 0.0%