Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:53:52 2013

Optimize a model with 330 rows, 9030 columns and 18030 nonzeros
Presolve time: 0.01s
Presolved: 330 rows, 9030 columns, 18030 nonzeros
Variable types: 9000 continuous, 30 integer (30 binary)

Root relaxation: objective 3.875055e+04, 599 iterations, 0.01 seconds

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

     0     0 38750.5475    0    6          - 38750.5475     -      -    0s
H    0     0                    39368.000000 38750.5475  1.57%     -    0s
H    0     0                    39137.000000 38750.5475  0.99%     -    0s
     0     0 39085.7464    0    3 39137.0000 39085.7464  0.13%     -    0s
     0     0 39092.8156    0    2 39137.0000 39092.8156  0.11%     -    0s
     0     0 39093.9594    0    2 39137.0000 39093.9594  0.11%     -    0s
     0     0 39093.9594    0    2 39137.0000 39093.9594  0.11%     -    0s
     0     0 39093.9594    0    2 39137.0000 39093.9594  0.11%     -    0s
     0     0 39095.5538    0    3 39137.0000 39095.5538  0.11%     -    0s
     0     0 39096.0069    0    2 39137.0000 39096.0069  0.10%     -    0s
H    0     0                    39100.000000 39096.0069  0.01%     -    0s
     0     0 39096.0069    0    3 39100.0000 39096.0069  0.01%     -    0s
     0     0     cutoff    0      39100.0000 39100.0000   0.0%     -    0s

Cutting planes:
  Implied bound: 49
  Flow cover: 2

Explored 0 nodes (1182 simplex iterations) in 0.19 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.910000000000e+04, best bound 3.910000000000e+04, gap 0.0%