Gurobi 5.0.1 (linux64) logging started Fri Jan 18 00:18:21 2013

Optimize a model with 1100 rows, 26900 columns and 57450 nonzeros
Presolve removed 50 rows and 650 columns
Presolve time: 0.08s
Presolved: 1050 rows, 26250 columns, 56450 nonzeros
Variable types: 26050 continuous, 200 integer (200 binary)

Root relaxation: objective 2.246016e+05, 1668 iterations, 0.06 seconds

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

     0     0 224601.597    0    2          - 224601.597     -      -    0s
H    0     0                    230510.99933 224601.597  2.56%     -    0s
     0     0 224601.597    0    2 230510.999 224601.597  2.56%     -    0s
     0     0 224601.597    0    2 230510.999 224601.597  2.56%     -    0s
     0     0 224601.597    0    2 230510.999 224601.597  2.56%     -    0s
     0     0 224601.597    0    2 230510.999 224601.597  2.56%     -    0s
     0     0 224601.597    0    2 230510.999 224601.597  2.56%     -    0s
     0     2 224601.597    0    2 230510.999 224601.597  2.56%     -    0s
*    4     4               4    224847.24808 224785.855  0.03%  85.8    0s

Cutting planes:
  Flow cover: 4

Explored 8 nodes (2957 simplex iterations) in 0.81 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%