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 54 quadratic objective terms
Presolve removed 0 rows and 1 columns
Presolve time: 0.00s
Presolved: 55 rows, 87 columns, 195 nonzeros
Variable types: 0 continuous, 87 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   19   19.00000    0.00000   100%     -    0s
     0     0    0.00000    0   20   19.00000    0.00000   100%     -    0s
H    0     0                      16.0000000    0.00000   100%     -    0s
H    0     0                      14.0000000    0.00000   100%     -    0s
     0     0    0.00000    0   15   14.00000    0.00000   100%     -    0s
H    0     0                      12.0000000    0.00000   100%     -    0s
     0     0    0.00000    0   16   12.00000    0.00000   100%     -    0s
     0     0    0.00000    0   16   12.00000    0.00000   100%     -    0s
     0     2    0.00000    0   16   12.00000    0.00000   100%     -    0s
H   86    47                      11.0000000    1.00000  90.9%   4.9    0s
*  166    46              10      10.0000000    2.00000  80.0%   6.5    0s
*  220     0               7       9.0000000    9.00000   0.0%   9.5    0s

Cutting planes:
  Cover: 102

Explored 221 nodes (2275 simplex iterations) in 0.04 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 9.000000000000e+00, best bound 9.000000000000e+00, gap 0.0%