Gurobi 5.0.1 (linux64) logging started Fri Nov 16 01:33:07 2012

Optimize a model with 5264 rows, 812 columns and 16492 nonzeros
Presolve time: 0.05s
Presolved: 5264 rows, 812 columns, 24067 nonzeros
Variable types: 0 continuous, 812 integer (812 binary)
Found heuristic solution: objective 14.0000000

Root relaxation: objective 2.000000e+00, 2029 iterations, 0.10 seconds

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

     0     0    2.00000    0   56   14.00000    2.00000  85.7%     -    0s
H    0     0                      10.0000000    2.00000  80.0%     -    0s
H    0     0                       9.0000000    2.00000  77.8%     -    0s
     0     0    2.00000    0   56    9.00000    2.00000  77.8%     -    0s
     0     0    2.00000    0   56    9.00000    2.00000  77.8%     -    0s
H    0     0                       8.0000000    2.00000  75.0%     -    0s
     0     0    2.00000    0   56    8.00000    2.00000  75.0%     -    0s
     0     0    2.00000    0   56    8.00000    2.00000  75.0%     -    0s
     0     0    2.00000    0   56    8.00000    2.00000  75.0%     -    0s
     0     0    2.00000    0   56    8.00000    2.00000  75.0%     -    0s
H    0     0                       7.0000000    2.00000  71.4%     -    0s
     0     2    2.00000    0   56    7.00000    2.00000  71.4%     -    0s
   125    80    4.03846   10   76    7.00000    3.50000  50.0%   262    5s
   450   249    5.33333   15   67    7.00000    3.71429  46.9%   182   10s

Explored 602 nodes (110897 simplex iterations) in 13.21 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 7.000000000000e+00, best bound 7.000000000000e+00, gap 0.0%