Gurobi 5.0.1 (linux64) logging started Sat Nov 17 19:52:19 2012

Optimize a model with 1 rows, 12 columns and 12 nonzeros
Model has 28 quadratic objective terms
Modified 12 Q diagonals
Presolve time: 0.01s
Presolved: 1 rows, 12 columns, 12 nonzeros
Presolved model has 40 quadratic objective terms
Variable types: 0 continuous, 12 integer (12 binary)
Found heuristic solution: objective 12.0000000

Root relaxation: objective 0.000000e+00, 14 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   12   12.00000    0.00000   100%     -    0s
H    0     0                      11.0000000    0.00000   100%     -    0s
     0     2    0.72916    0   12   11.00000    0.72916  93.4%     -    0s
*   16    11               8      10.0000000    2.10786  78.9%   2.2    0s
*   85    17               8       9.0000000    4.92869  45.2%   2.3    0s

Explored 123 nodes (298 simplex iterations) in 0.01 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%