Gurobi 5.0.1 (linux64) logging started Thu Jan 17 23:16:17 2013

Optimize a model with 180 rows, 1070 columns and 2190 nonzeros
Presolve removed 30 rows and 20 columns
Presolve time: 0.00s
Presolved: 150 rows, 1050 columns, 2110 nonzeros
Variable types: 1040 continuous, 10 integer (10 binary)

Root relaxation: objective 1.791602e+04, 103 iterations, 0.00 seconds

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

     0     0 17916.0191    0    3          - 17916.0191     -      -    0s
     0     0 17940.3956    0    2          - 17940.3956     -      -    0s
     0     0 17943.8711    0    2          - 17943.8711     -      -    0s
     0     0 17943.8711    0    2          - 17943.8711     -      -    0s
     0     0 17943.8711    0    2          - 17943.8711     -      -    0s
H    0     0                    17975.828949 17943.8711  0.18%     -    0s
     0     0     cutoff    0      17975.8289 17975.8289   0.0%     -    0s

Cutting planes:
  Flow cover: 5

Explored 1 nodes (150 simplex iterations) in 0.02 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.797582894874e+04, best bound 1.797582894874e+04, gap 0.0%