Gurobi 5.0.1 (linux64) logging started Fri Jan 18 05:26:56 2013

Optimize a model with 2570 rows, 7760 columns and 20505 nonzeros
Presolve removed 10 rows and 15 columns
Presolve time: 0.20s
Presolved: 2560 rows, 7745 columns, 15490 nonzeros
Variable types: 5250 continuous, 2495 integer (2495 binary)

Root relaxation: objective 1.121714e+04, 31 iterations, 0.00 seconds

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

     0     0 11217.1409    0    1          - 11217.1409     -      -    0s
     0     0 11217.2117    0    2          - 11217.2117     -      -    0s
     0     0 11217.2323    0    2          - 11217.2323     -      -    0s
     0     0 11217.2323    0    2          - 11217.2323     -      -    0s
     0     2 11217.2990    0    2          - 11217.2990     -      -    0s
*  477   240             474    11442.234001 11250.4044  1.68%   1.9    2s
*  487     0              22    11250.404428 11250.4044   0.0%   1.9    2s

Cutting planes:
  Gomory: 1
  Flow cover: 2

Explored 488 nodes (1470 simplex iterations) in 2.26 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.125040442803e+04, best bound 1.125040442803e+04, gap 0.0%