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

Optimize a model with 540 rows, 1420 columns and 3610 nonzeros
Presolve removed 30 rows and 20 columns
Presolve time: 0.01s
Presolved: 510 rows, 1400 columns, 3180 nonzeros
Variable types: 1210 continuous, 190 integer (190 binary)

Root relaxation: objective 2.387367e+04, 319 iterations, 0.00 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 23950.1054    0    3          - 23950.1054     -      -    0s
H    0     0                    23950.683256 23950.1054  0.00%     -    0s

Cutting planes:
  Gomory: 1
  Flow cover: 1

Explored 0 nodes (350 simplex iterations) in 0.03 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.395068325571e+04, best bound 2.395010541999e+04, gap 0.0024%