Gurobi 5.0.1 (linux64) logging started Fri Jan 18 02:46:52 2013

Optimize a model with 1140 rows, 4020 columns and 10010 nonzeros
Presolve removed 20 rows and 30 columns
Presolve time: 0.10s
Presolved: 1120 rows, 3990 columns, 7980 nonzeros
Variable types: 3000 continuous, 990 integer (990 binary)

Root relaxation: objective 2.387367e+04, 267 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 23875.1435    0    2          - 23875.1435     -      -    0s
     0     0 23875.1824    0    2          - 23875.1824     -      -    0s
     0     0 23875.1824    0    2          - 23875.1824     -      -    0s
     0     2 23875.8567    0    2          - 23875.8567     -      -    0s
*  203   112             200    24493.364379 23950.7244  2.22%   2.1    0s
*  205     0              10    23950.724408 23950.7244   0.0%   2.1    0s

Cutting planes:
  Gomory: 1
  Flow cover: 2

Explored 206 nodes (925 simplex iterations) in 0.87 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.395072440836e+04, best bound 2.395072440836e+04, gap 0.0%