Gurobi 5.0.1 (linux64) logging started Fri Jan 18 00:57:14 2013

Optimize a model with 2700 rows, 27100 columns and 58050 nonzeros
Presolve removed 150 rows and 100 columns
Presolve time: 0.28s
Presolved: 2550 rows, 27000 columns, 55900 nonzeros
Variable types: 26050 continuous, 950 integer (950 binary)

Root relaxation: objective 2.246016e+05, 4144 iterations, 0.26 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                    235112.04333 224601.597  4.47%     -    0s
H    0     0                    225442.65595 224601.597  0.37%     -    0s
     0     0 224601.597    0    1 225442.656 224601.597  0.37%     -    0s
     0     0 224601.597    0    1 225442.656 224601.597  0.37%     -    0s
     0     0 224601.597    0    1 225442.656 224601.597  0.37%     -    1s
     0     0 224601.597    0    1 225442.656 224601.597  0.37%     -    1s
     0     2 224657.199    0    1 225442.656 224657.199  0.35%     -    1s
H   15    12                    225179.89052 224774.805  0.18%  14.7    2s
H   19    12                    225154.27355 224774.805  0.17%  13.1    2s
*   22    12              19    225137.69677 224774.805  0.16%  13.0    2s
*   26     3               4    224847.24808 224790.729  0.03%  15.6    2s

Cutting planes:
  Flow cover: 3

Explored 30 nodes (4637 simplex iterations) in 2.36 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%