Gurobi 5.0.1 (linux64) logging started Fri Jan 18 02:47:12 2013

Optimize a model with 280 rows, 2100 columns and 11250 nonzeros
Presolve removed 10 rows and 10 columns
Presolve time: 0.01s
Presolved: 270 rows, 2090 columns, 10240 nonzeros
Variable types: 2020 continuous, 70 integer (70 binary)

Root relaxation: objective 2.387367e+04, 246 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    3          - 23873.6700     -      -    0s
     0     0 23874.3747    0    4          - 23874.3747     -      -    0s
     0     0 23948.5185    0    3          - 23948.5185     -      -    0s
     0     0 23948.5185    0    3          - 23948.5185     -      -    0s
H    0     0                    24539.284675 23948.5185  2.41%     -    0s
     0     2 23948.7001    0    3 24539.2847 23948.7001  2.41%     -    0s
*    5     4               5    23950.724408 23948.8073  0.01%  10.0    0s

Cutting planes:
  Flow cover: 1

Explored 6 nodes (428 simplex iterations) in 0.13 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.395072440836e+04, best bound 2.394880728992e+04, gap 0.0080%