Gurobi 5.0.1 (linux64) logging started Fri Jan 18 00:17:44 2013

Optimize a model with 1200 rows, 26600 columns and 54050 nonzeros
Presolve removed 100 rows and 150 columns
Presolve time: 0.16s
Presolved: 1100 rows, 26450 columns, 52900 nonzeros
Variable types: 26000 continuous, 450 integer (450 binary)

Root relaxation: objective 2.246016e+05, 2122 iterations, 0.09 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                    230510.99933 224601.597  2.56%     -    0s
     0     0 224601.597    0    1 230510.999 224601.597  2.56%     -    0s
     0     0 224601.597    0    1 230510.999 224601.597  2.56%     -    0s
     0     0 224601.597    0    1 230510.999 224601.597  2.56%     -    0s
     0     0 224601.597    0    1 230510.999 224601.597  2.56%     -    0s
     0     0 224601.597    0    1 230510.999 224601.597  2.56%     -    0s
     0     2 224703.255    0    1 230510.999 224703.255  2.52%     -    0s
*    5     4               4    224847.24808 224785.855  0.03%  41.8    0s

Cutting planes:
  Flow cover: 4

Explored 9 nodes (2622 simplex iterations) in 0.96 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%