Gurobi 5.0.1 (linux64) logging started Fri Jan 18 07:10:11 2013

Optimize a model with 5070 rows, 15260 columns and 40505 nonzeros
Presolve removed 10 rows and 15 columns
Presolve time: 0.28s
Presolved: 5060 rows, 15245 columns, 30490 nonzeros
Variable types: 10250 continuous, 4995 integer (4995 binary)

Root relaxation: objective 1.309958e+04, 60 iterations, 0.00 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 13099.6355    0    2          - 13099.6355     -      -    0s
     0     0 13099.6355    0    2          - 13099.6355     -      -    0s
     0     2 13099.6663    0    2          - 13099.6663     -      -    1s
   600   127 13225.3674  600    1          - 13130.1043     -    1.8    5s
* 1186   710            1185    13306.065662 13130.1043  1.32%   2.0    8s
* 1188   707            1183    13305.679919 13130.1043  1.32%   2.0    8s
* 1190   705            1181    13305.292430 13130.1043  1.32%   2.0    8s
* 1192   703            1180    13305.098034 13130.1043  1.32%   2.0    8s
* 1193     0              46    13130.104275 13130.1043   0.0%   2.0    8s

Cutting planes:
  Gomory: 1
  Flow cover: 1

Explored 1194 nodes (3488 simplex iterations) in 8.53 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.313010427463e+04, best bound 1.313010427463e+04, gap 0.0%