Gurobi 5.0.1 (linux64) logging started Fri Jan 18 01:53:53 2013

Optimize a model with 1300 rows, 27950 columns and 71100 nonzeros
Presolve removed 50 rows and 50 columns
Presolve time: 0.18s
Presolved: 1250 rows, 27900 columns, 68550 nonzeros
Variable types: 27600 continuous, 300 integer (300 binary)

Root relaxation: objective 2.246016e+05, 2033 iterations, 0.12 seconds

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

     0     0 224601.597    0    3          - 224601.597     -      -    0s
     0     0 224601.597    0    3          - 224601.597     -      -    0s
     0     0 224601.597    0    3          - 224601.597     -      -    0s
     0     0 224601.597    0    3          - 224601.597     -      -    0s
     0     0 224601.597    0    3          - 224601.597     -      -    1s
     0     0 224601.597    0    3          - 224601.597     -      -    1s
H    0     0                    225455.38881 224601.597  0.38%     -    1s
     0     2 224601.597    0    3 225455.389 224601.597  0.38%     -    1s
*    4     1               4    224847.24808 224785.855  0.03%  90.8    1s

Cutting planes:
  Flow cover: 2

Explored 7 nodes (3514 simplex iterations) in 1.74 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%