Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:38:11 2012

Optimize a model with 1 rows, 26 columns and 26 nonzeros
Model has 45 quadratic objective terms
Presolve time: 0.00s
Presolved: 46 rows, 71 columns, 161 nonzeros
Variable types: 0 continuous, 71 integer (71 binary)
Found heuristic solution: objective 21.0000000
Found heuristic solution: objective 16.0000000

Root relaxation: objective 0.000000e+00, 57 iterations, 0.00 seconds

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

     0     0    0.00000    0   16   16.00000    0.00000   100%     -    0s
H    0     0                      14.0000000    0.00000   100%     -    0s
     0     0    0.00000    0   18   14.00000    0.00000   100%     -    0s
     0     0    0.00000    0   15   14.00000    0.00000   100%     -    0s
H    0     0                      13.0000000    0.00000   100%     -    0s
     0     0    0.00000    0   31   13.00000    0.00000   100%     -    0s
     0     0    0.00000    0   31   13.00000    0.00000   100%     -    0s
     0     2    0.00000    0   13   13.00000    0.00000   100%     -    0s
H   38    22                      10.0000000    0.00000   100%   3.7    0s
*   80    34               7       8.0000000    1.00000  87.5%   5.2    0s

Cutting planes:
  Cover: 83

Explored 149 nodes (1366 simplex iterations) in 0.03 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 8.000000000000e+00, best bound 8.000000000000e+00, gap 0.0%