Gurobi 5.0.1 (linux64) logging started Fri Jan 18 00:55:21 2013

Optimize a model with 240 rows, 1710 columns and 5310 nonzeros
Presolve removed 10 rows and 250 columns
Presolve time: 0.01s
Presolved: 230 rows, 1460 columns, 4910 nonzeros
Variable types: 1410 continuous, 50 integer (50 binary)

Root relaxation: objective 1.791602e+04, 108 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    9          - 17916.0191     -      -    0s
     0     0 17922.1292    0   10          - 17922.1292     -      -    0s
     0     0 17922.1562    0   10          - 17922.1562     -      -    0s
     0     0 17922.1562    0   10          - 17922.1562     -      -    0s
H    0     0                    17987.102058 17922.1562  0.36%     -    0s
     0     2 17950.3956    0    8 17987.1021 17950.3956  0.20%     -    0s
*    8     6               7    17984.080433 17962.1293  0.12%  10.4    0s

Cutting planes:
  Gomory: 3
  Flow cover: 5

Explored 16 nodes (356 simplex iterations) in 0.07 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.798408043325e+04, best bound 1.798408043325e+04, gap 0.0%