Gurobi 5.0.1 (linux64) logging started Fri Jan 18 07:09:05 2013

Optimize a model with 10070 rows, 10260 columns and 40505 nonzeros
Presolve removed 15 rows and 10 columns
Presolve time: 0.15s
Presolved: 10055 rows, 10250 columns, 30490 nonzeros
Variable types: 5255 continuous, 4995 integer (4995 binary)

Root relaxation: objective 1.309958e+04, 3785 iterations, 0.11 seconds

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

     0     0 13099.5797    0    1          - 13099.5797     -      -    0s
     0     0 13130.1026    0    2          - 13130.1026     -      -    0s
H    0     0                    13130.104275 13130.1026  0.00%     -    0s

Cutting planes:
  Gomory: 1
  Flow cover: 1

Explored 0 nodes (4263 simplex iterations) in 0.43 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.313010427463e+04, best bound 1.313010255153e+04, gap 0.0000%