Gurobi 5.0.1 (linux64) logging started Fri Jan 18 07:39:49 2013

Optimize a model with 340 rows, 21600 columns and 262210 nonzeros
Presolve removed 10 rows and 490 columns
Presolve time: 0.69s
Presolved: 330 rows, 21110 columns, 242210 nonzeros
Variable types: 21010 continuous, 100 integer (100 binary)

Root relaxation: objective 2.337984e+04, 195 iterations, 0.02 seconds

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

     0     0 23379.8401    0    8          - 23379.8401     -      -    0s
     0     0 23379.9546    0    8          - 23379.9546     -      -    1s
     0     0 23505.3240    0   15          - 23505.3240     -      -    1s
     0     0 23505.3240    0   15          - 23505.3240     -      -    1s
     0     2 23505.3524    0   15          - 23505.3524     -      -    3s
*   51    32              48    23554.710544 23505.3524  0.21%   5.7    3s
*   74    27              22    23530.999844 23505.3765  0.11%   4.9    3s
*   91    22              11    23530.799745 23505.5058  0.11%   4.7    4s
*   93    18              12    23530.700804 23505.5058  0.11%   4.6    4s
H  107    10                    23527.349239 23505.7651  0.09%   4.4    4s

Cutting planes:
  Flow cover: 1

Explored 126 nodes (1267 simplex iterations) in 4.33 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.352734923907e+04, best bound 2.352558957537e+04, gap 0.0075%