Gurobi 5.0.1 (linux64) logging started Sat Nov 17 19:52:23 2012

Optimize a model with 1 rows, 13 columns and 13 nonzeros
Model has 32 quadratic objective terms
Modified 13 Q diagonals
Presolve time: 0.01s
Presolved: 1 rows, 13 columns, 13 nonzeros
Presolved model has 45 quadratic objective terms
Variable types: 0 continuous, 13 integer (13 binary)
Found heuristic solution: objective 15.0000000

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   13   15.00000    0.00000   100%     -    0s
H    0     0                      14.0000000    0.00000   100%     -    0s
     0     2    1.34282    0   13   14.00000    1.34282  90.4%     -    0s
H    5     5                      13.0000000    3.07327  76.4%   1.6    0s
*   74    27               8      11.0000000    4.79336  56.4%   2.1    0s
H  218    12                      10.0000000    7.52269  24.8%   2.1    0s

Explored 238 nodes (522 simplex iterations) in 0.01 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%