Gurobi 5.0.1 (linux64) logging started Fri Jan 18 04:03:05 2013

Optimize a model with 150 rows, 2860 columns and 22585 nonzeros
Presolve removed 5 rows and 565 columns
Presolve time: 0.04s
Presolved: 145 rows, 2295 columns, 20585 nonzeros
Variable types: 2255 continuous, 40 integer (40 binary)

Root relaxation: objective 9.876190e+03, 58 iterations, 0.00 seconds

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

     0     0 9876.18952    0    5          - 9876.18952     -      -    0s
     0     0 9876.41010    0   10          - 9876.41010     -      -    0s
     0     0 9876.46525    0    5          - 9876.46525     -      -    0s
     0     0 9913.71943    0    9          - 9913.71943     -      -    0s
     0     0 9939.05860    0    4          - 9939.05860     -      -    0s
     0     0 9939.05860    0    4          - 9939.05860     -      -    0s
H    0     0                    10062.076228 9939.05860  1.22%     -    0s
     0     0 9939.05860    0    4 10062.0762 9939.05860  1.22%     -    0s
     0     0 9939.07731    0    8 10062.0762 9939.07731  1.22%     -    0s
     0     0 9939.08577    0    4 10062.0762 9939.08577  1.22%     -    0s
     0     0 9939.08814    0    4 10062.0762 9939.08814  1.22%     -    0s
     0     0 9939.08814    0    4 10062.0762 9939.08814  1.22%     -    0s
     0     2 9939.08814    0    4 10062.0762 9939.08814  1.22%     -    0s
*    9     6               8    9944.2917036 9940.19692  0.04%   3.6    0s
*   11     3               6    9942.9596239 9940.19692  0.03%   3.0    0s

Cutting planes:
  Flow cover: 4

Explored 26 nodes (381 simplex iterations) in 0.31 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 9.942959623924e+03, best bound 9.942959623924e+03, gap 0.0%