Gurobi 5.0.1 (linux64) logging started Fri Jan 18 00:17:24 2013

Optimize a model with 1200 rows, 26600 columns and 54050 nonzeros
Presolve removed 100 rows and 150 columns
Presolve time: 0.14s
Presolved: 1100 rows, 26450 columns, 52900 nonzeros
Variable types: 26000 continuous, 450 integer (450 binary)

Root relaxation: objective 1.715514e+05, 2731 iterations, 0.10 seconds

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

     0     0 171551.420    0    2          - 171551.420     -      -    0s
H    0     0                    196851.25107 171551.420  12.9%     -    0s
     0     0 171553.825    0    1 196851.251 171553.825  12.9%     -    0s
     0     0 171553.825    0    1 196851.251 171553.825  12.9%     -    0s
     0     2 171559.206    0    1 196851.251 171559.206  12.8%     -    0s
*    8     3               8    171584.76124 171584.761   0.0%   6.0    0s

Cutting planes:
  Flow cover: 1

Explored 9 nodes (2830 simplex iterations) in 0.64 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.715847612416e+05, best bound 1.715847612416e+05, gap 0.0%