Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:39:04 2012

Optimize a model with 1 rows, 34 columns and 34 nonzeros
Model has 52 quadratic objective terms
Presolve time: 0.00s
Presolved: 53 rows, 86 columns, 190 nonzeros
Variable types: 0 continuous, 86 integer (86 binary)
Found heuristic solution: objective 19.0000000

Root relaxation: objective 0.000000e+00, 70 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   15   19.00000    0.00000   100%     -    0s
H    0     0                      15.0000000    0.00000   100%     -    0s
     0     0    0.00000    0   15   15.00000    0.00000   100%     -    0s
     0     0    0.00000    0   19   15.00000    0.00000   100%     -    0s
H    0     0                      13.0000000    0.00000   100%     -    0s
     0     0    0.00000    0   22   13.00000    0.00000   100%     -    0s
     0     0    0.00000    0   18   13.00000    0.00000   100%     -    0s
     0     2    0.00000    0   18   13.00000    0.00000   100%     -    0s
H  109    67                      12.0000000    0.00000   100%   4.3    0s
H  132    74                      11.0000000    1.00000  90.9%   5.6    0s
*  155    69               9      10.0000000    1.00000  90.0%   5.8    0s

Cutting planes:
  Cover: 99

Explored 248 nodes (2865 simplex iterations) in 0.05 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.000000000000e+01, best bound 1.000000000000e+01, gap 0.0%