Gurobi 5.0.1 (linux64) logging started Fri Jan 18 02:46:42 2013

Optimize a model with 2140 rows, 3020 columns and 10010 nonzeros
Presolve removed 30 rows and 20 columns
Presolve time: 0.13s
Presolved: 2110 rows, 3000 columns, 7980 nonzeros
Variable types: 2010 continuous, 990 integer (990 binary)

Root relaxation: objective 2.387367e+04, 886 iterations, 0.01 seconds

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

     0     0 23873.6700    0    1          - 23873.6700     -      -    0s
     0     0 23950.6085    0    3          - 23950.6085     -      -    0s
H    0     0                    23950.724408 23950.6085  0.00%     -    0s

Cutting planes:
  Gomory: 1
  Flow cover: 2

Explored 0 nodes (980 simplex iterations) in 0.19 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.395072440836e+04, best bound 2.395060854900e+04, gap 0.0005%