Gurobi 5.0.1 (linux64) logging started Fri Jan 18 01:00:32 2013

Optimize a model with 1800 rows, 27150 columns and 57250 nonzeros
Presolve removed 50 rows and 50 columns
Presolve time: 0.18s
Presolved: 1750 rows, 27100 columns, 56200 nonzeros
Variable types: 26100 continuous, 1000 integer (1000 binary)

Root relaxation: objective 2.246016e+05, 2523 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    2          - 224601.597     -      -    0s
H    0     0                    235112.04333 224601.597  4.47%     -    0s
H    0     0                    225403.52872 224601.597  0.36%     -    0s
     0     0 224601.597    0    2 225403.529 224601.597  0.36%     -    0s
     0     0 224601.597    0    2 225403.529 224601.597  0.36%     -    0s
     0     0 224601.597    0    2 225403.529 224601.597  0.36%     -    0s
     0     0 224601.597    0    2 225403.529 224601.597  0.36%     -    0s
     0     0 224601.597    0    2 225403.529 224601.597  0.36%     -    0s
H    0     0                    225383.64985 224601.597  0.35%     -    1s
     0     2 224601.597    0    2 225383.650 224601.597  0.35%     -    1s
*    5     1               4    224847.24808 224827.227  0.01%  93.2    1s

Cutting planes:
  Flow cover: 3

Explored 6 nodes (4182 simplex iterations) in 1.33 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.248472480793e+05, best bound 2.248272273114e+05, gap 0.0089%