Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:52:46 2013

Optimize a model with 7046 rows, 6786 columns and 27066 nonzeros
Presolve removed 655 rows and 0 columns
Presolve time: 0.03s
Presolved: 6391 rows, 6786 columns, 25756 nonzeros
Variable types: 6760 continuous, 26 integer (26 binary)

Root relaxation: objective 2.539514e+04, 672 iterations, 0.03 seconds

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

     0     0 25395.1429    0    1          - 25395.1429     -      -    0s
H    0     0                    25398.000000 25395.1429  0.01%     -    0s
     0     0 25396.3446    0    2 25398.0000 25396.3446  0.01%     -    0s

Cutting planes:
  Gomory: 1
  Flow cover: 3

Explored 0 nodes (686 simplex iterations) in 0.12 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.539800000000e+04, best bound 2.539634458509e+04, gap 0.0065%