Gurobi 5.0.1 (linux64) logging started Thu Jan 17 23:47:09 2013

Optimize a model with 1000 rows, 25550 columns and 51900 nonzeros
Presolve removed 50 rows and 50 columns
Presolve time: 0.08s
Presolved: 950 rows, 25500 columns, 51600 nonzeros
Variable types: 25350 continuous, 150 integer (150 binary)

Root relaxation: objective 2.198499e+05, 2031 iterations, 0.06 seconds

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

     0     0 219849.939    0    4          - 219849.939     -      -    0s
H    0     0                    234133.82037 219849.939  6.10%     -    0s
H    0     0                    223028.23737 219849.939  1.43%     -    0s
     0     0 219872.711    0    4 223028.237 219872.711  1.41%     -    0s
     0     0 219883.841    0    4 223028.237 219883.841  1.41%     -    0s
     0     0 219886.158    0    4 223028.237 219886.158  1.41%     -    0s
     0     0 219890.874    0    4 223028.237 219890.874  1.41%     -    0s
     0     0 219895.248    0    4 223028.237 219895.248  1.40%     -    0s
     0     0 219896.776    0    4 223028.237 219896.776  1.40%     -    0s
     0     0 219899.733    0    4 223028.237 219899.733  1.40%     -    0s
     0     0 219899.733    0    5 223028.237 219899.733  1.40%     -    0s
     0     0 219899.733    0    4 223028.237 219899.733  1.40%     -    0s
     0     2 219909.558    0    4 223028.237 219909.558  1.40%     -    0s
*   24    13              24    221800.08212 220306.336  0.67%  33.8    1s

Cutting planes:
  Flow cover: 7

Explored 57 nodes (5299 simplex iterations) in 2.12 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.218000821189e+05, best bound 2.218000821189e+05, gap 0.0%