Gurobi 5.0.1 (linux64) logging started Fri Jan 18 00:15:45 2013

Optimize a model with 220 rows, 1380 columns and 3490 nonzeros
Presolve removed 10 rows and 130 columns
Presolve time: 0.00s
Presolved: 210 rows, 1250 columns, 3290 nonzeros
Variable types: 1210 continuous, 40 integer (40 binary)

Root relaxation: objective 2.387367e+04, 217 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    2          - 23873.6700     -      -    0s
     0     0 23882.9248    0    4          - 23882.9248     -      -    0s
     0     0 23884.9673    0    4          - 23884.9673     -      -    0s
*    0     0               0    23950.629024 23950.6290   0.0%     -    0s

Cutting planes:
  Gomory: 1
  Flow cover: 2

Explored 0 nodes (289 simplex iterations) in 0.02 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.395062902440e+04, best bound 2.395062902440e+04, gap 0.0%