Gurobi 5.0.1 (linux64) logging started Sat Nov 17 19:52:35 2012

Optimize a model with 1 rows, 15 columns and 15 nonzeros
Model has 52 quadratic objective terms
Modified 15 Q diagonals
Presolve time: 0.01s
Presolved: 1 rows, 15 columns, 15 nonzeros
Presolved model has 67 quadratic objective terms
Variable types: 0 continuous, 15 integer (15 binary)
Found heuristic solution: objective 26.0000000

Root relaxation: objective 0.000000e+00, 17 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   26.00000    0.00000   100%     -    0s
H    0     0                      23.0000000    0.00000   100%     -    0s
     0     2    2.12255    0   15   23.00000    2.12255  90.8%     -    0s
H   82    47                      21.0000000    6.54912  68.8%   2.0    0s
H  344   113                      20.0000000   10.04050  49.8%   2.1    0s
*  595   110               9      19.0000000   12.50647  34.2%   2.1    0s
H  596    91                      18.0000000   12.50647  30.5%   2.1    0s
H  655    57                      17.0000000   13.19984  22.4%   2.1    0s

Explored 747 nodes (1581 simplex iterations) in 0.03 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.700000000000e+01, best bound 1.700000000000e+01, gap 0.0%