Gurobi 5.0.1 (linux64) logging started Fri Jan 18 02:46:34 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 1.174557e+04, 52 iterations, 0.00 seconds

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

     0     0 11745.5748    0    2          - 11745.5748     -      -    0s
     0     0 11752.1127    0    2          - 11752.1127     -      -    0s
     0     0 11754.3698    0    2          - 11754.3698     -      -    0s
     0     0 11755.9936    0    2          - 11755.9936     -      -    0s
     0     0 11756.0851    0    3          - 11756.0851     -      -    0s
     0     0 11757.2958    0    2          - 11757.2958     -      -    0s
     0     0 11757.4717    0    5          - 11757.4717     -      -    0s
     0     0 11758.3957    0    2          - 11758.3957     -      -    0s
     0     0 11758.6160    0    7          - 11758.6160     -      -    0s
     0     0 11759.3541    0    2          - 11759.3541     -      -    0s
     0     0 11759.3541    0    2          - 11759.3541     -      -    0s
     0     2 11759.3541    0    2          - 11759.3541     -      -    0s
*   16     2               9    11779.402625 11779.4026   0.0%   6.9    0s

Cutting planes:
  Implied bound: 10
  Flow cover: 3

Explored 17 nodes (234 simplex iterations) in 0.21 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.177940262477e+04, best bound 1.177940262477e+04, gap 0.0%