Gurobi 5.0.1 (linux64) logging started Fri Jan 18 02:46:33 2013

Optimize a model with 580 rows, 1265 columns and 4025 nonzeros
Presolve removed 5 rows and 5 columns
Presolve time: 0.05s
Presolved: 575 rows, 1260 columns, 3520 nonzeros
Variable types: 760 continuous, 500 integer (500 binary)

Root relaxation: objective 1.309958e+04, 61 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    2          - 13099.5797     -      -    0s
     0     0 13105.4371    0    2          - 13105.4371     -      -    0s
     0     0 13106.3870    0    2          - 13106.3870     -      -    0s
     0     0 13107.4560    0    2          - 13107.4560     -      -    0s
     0     0 13108.9085    0    2          - 13108.9085     -      -    0s
     0     0 13108.9085    0    2          - 13108.9085     -      -    0s
H    0     0                    13327.683897 13108.9085  1.64%     -    0s
H    0     0                    13238.941349 13108.9085  0.98%     -    0s
     0     2 13108.9085    0    2 13238.9413 13108.9085  0.98%     -    0s
*   18     4              13    13130.100441 13130.1004   0.0%   5.0    0s

Cutting planes:
  Gomory: 1
  Implied bound: 5

Explored 19 nodes (222 simplex iterations) in 0.20 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.313010044137e+04, best bound 1.313010044137e+04, gap 0.0%