Gurobi 5.0.1 (linux64) logging started Thu Jan 17 23:45:49 2013

Optimize a model with 1000 rows, 26050 columns and 53350 nonzeros
Presolve removed 50 rows and 350 columns
Presolve time: 0.13s
Presolved: 950 rows, 25700 columns, 52850 nonzeros
Variable types: 25550 continuous, 150 integer (150 binary)

Root relaxation: objective 2.246016e+05, 1764 iterations, 0.08 seconds

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

     0     0 224601.597    0    1          - 224601.597     -      -    0s
H    0     0                    227865.19678 224601.597  1.43%     -    0s
     0     0 224601.597    0    1 227865.197 224601.597  1.43%     -    0s
     0     0 224601.597    0    1 227865.197 224601.597  1.43%     -    0s
     0     0 224601.597    0    1 227865.197 224601.597  1.43%     -    0s
     0     0 224601.597    0    1 227865.197 224601.597  1.43%     -    0s
     0     0 224601.597    0    1 227865.197 224601.597  1.43%     -    0s
     0     2 224609.990    0    1 227865.197 224609.990  1.43%     -    0s
*    4     4               4    224847.24808 224785.855  0.03%  77.8    0s

Cutting planes:
  Flow cover: 4

Explored 8 nodes (2853 simplex iterations) in 1.00 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.248472480793e+05, best bound 2.248472480793e+05, gap 0.0%