Gurobi 5.0.1 (linux64) logging started Fri Nov 16 01:34:29 2012

Optimize a model with 5292 rows, 812 columns and 16576 nonzeros
Presolve time: 0.05s
Presolved: 5292 rows, 812 columns, 25054 nonzeros
Variable types: 0 continuous, 812 integer (812 binary)
Found heuristic solution: objective 15.0000000

Root relaxation: objective 2.000000e+00, 145 iterations, 0.02 seconds

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

     0     0    2.00000    0   56   15.00000    2.00000  86.7%     -    0s
H    0     0                      13.0000000    2.00000  84.6%     -    0s
H    0     0                       9.0000000    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%     -    1s
     0     0    2.00000    0   56    8.00000    2.00000  75.0%     -    1s
     0     0    2.00000    0   56    8.00000    2.00000  75.0%     -    1s
     0     2    2.00000    0   56    8.00000    2.00000  75.0%     -    2s
H   29    13                       7.0000000    3.00000  57.1%   263    3s
   106    40     cutoff   10         7.00000    4.00000  42.9%   183    5s

Cutting planes:
  Clique: 241
  Zero half: 1

Explored 595 nodes (70258 simplex iterations) in 8.84 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%