Gurobi 5.0.1 (linux64) logging started Fri Jan 18 00:19:22 2013

Optimize a model with 1300 rows, 26150 columns and 53750 nonzeros
Presolve removed 100 rows and 100 columns
Presolve time: 0.24s
Presolved: 1200 rows, 26050 columns, 53400 nonzeros
Variable types: 25600 continuous, 450 integer (450 binary)

Root relaxation: objective 2.246016e+05, 1918 iterations, 0.11 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     0 224601.597    0    1 230510.999 224601.597  2.56%     -    0s
     0     2 224630.275    0    1 230510.999 224630.275  2.55%     -    1s
*    5     4               4    224847.24808 224785.855  0.03%  47.6    1s

Cutting planes:
  Flow cover: 2

Explored 9 nodes (2653 simplex iterations) in 1.28 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%