Gurobi 5.0.1 (linux64) logging started Fri Jan 18 01:40:31 2013

Optimize a model with 130 rows, 545 columns and 2610 nonzeros
Presolve removed 5 rows and 5 columns
Presolve time: 0.00s
Presolved: 125 rows, 540 columns, 2355 nonzeros
Variable types: 510 continuous, 30 integer (30 binary)

Root relaxation: objective 1.204447e+04, 53 iterations, 0.00 seconds

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

     0     0 12044.4669    0    3          - 12044.4669     -      -    0s
     0     0 12045.4432    0    4          - 12045.4432     -      -    0s
     0     0 12096.1022    0    3          - 12096.1022     -      -    0s
     0     0 12097.3790    0    3          - 12097.3790     -      -    0s
     0     0 12097.3790    0    3          - 12097.3790     -      -    0s
H    0     0                    12435.776316 12097.3790  2.72%     -    0s
     0     2 12097.4535    0    3 12435.7763 12097.4535  2.72%     -    0s
*   12     5              11    12190.212604 12097.4586  0.76%   5.8    0s
*   25     6              11    12141.480397 12097.7619  0.36%   4.1    0s
*   26     4              11    12134.778658 12097.7619  0.31%   4.0    0s
*   29     0               3    12097.761925 12097.7619   0.0%   3.6    0s

Cutting planes:
  Flow cover: 1

Explored 30 nodes (284 simplex iterations) in 0.04 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.209776192494e+04, best bound 1.209776192494e+04, gap 0.0%