Gurobi 5.0.1 (linux64) logging started Fri Jan 18 03:14:40 2013

Optimize a model with 1400 rows, 30500 columns and 96250 nonzeros
Presolve removed 50 rows and 50 columns
Presolve time: 0.16s
Presolved: 1350 rows, 30450 columns, 91200 nonzeros
Variable types: 30100 continuous, 350 integer (350 binary)

Root relaxation: objective 2.246016e+05, 2133 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
     0     0 224601.597    0    3          - 224601.597     -      -    1s
H    0     0                    225514.11655 224601.597  0.40%     -    1s
     0     2 224601.597    0    3 225514.117 224601.597  0.40%     -    1s
*    4     1               4    224847.24808 224785.855  0.03%  94.0    1s

Cutting planes:
  Flow cover: 3

Explored 7 nodes (3872 simplex iterations) in 1.91 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%