Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:55:19 2013

Optimize a model with 374 rows, 11594 columns and 23154 nonzeros
Presolve time: 0.02s
Presolved: 374 rows, 11594 columns, 23154 nonzeros
Variable types: 11560 continuous, 34 integer (34 binary)

Root relaxation: objective 3.047995e+04, 334 iterations, 0.01 seconds

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

     0     0 30479.9494    0    9          - 30479.9494     -      -    0s
H    0     0                    31125.000000 30479.9494  2.07%     -    0s
H    0     0                    30879.000000 30479.9494  1.29%     -    0s
     0     0 30800.5980    0    4 30879.0000 30800.5980  0.25%     -    0s
     0     0 30810.9409    0    2 30879.0000 30810.9409  0.22%     -    0s
     0     0 30810.9409    0    9 30879.0000 30810.9409  0.22%     -    0s
     0     0 30810.9409    0    4 30879.0000 30810.9409  0.22%     -    0s
     0     0 30810.9409    0    2 30879.0000 30810.9409  0.22%     -    0s
     0     0 30811.3088    0    2 30879.0000 30811.3088  0.22%     -    0s
     0     0 30811.5939    0    2 30879.0000 30811.5939  0.22%     -    0s
     0     0 30855.2640    0    4 30879.0000 30855.2640  0.08%     -    0s
     0     0 30871.5455    0    1 30879.0000 30871.5455  0.02%     -    0s
     0     0 30874.3333    0    1 30879.0000 30874.3333  0.02%     -    0s
*    0     0               0    30876.000000 30876.0000   0.0%     -    0s

Cutting planes:
  Implied bound: 40

Explored 0 nodes (852 simplex iterations) in 0.22 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.087600000000e+04, best bound 3.087600000000e+04, gap 0.0%