Gurobi 5.0.1 (linux64) logging started Sat Nov 17 19:53:41 2012

Optimize a model with 1 rows, 20 columns and 20 nonzeros
Model has 96 quadratic objective terms
Modified 20 Q diagonals
Presolve time: 0.01s
Presolved: 1 rows, 20 columns, 20 nonzeros
Presolved model has 116 quadratic objective terms
Variable types: 0 continuous, 20 integer (20 binary)
Found heuristic solution: objective 54.0000000

Root relaxation: objective 0.000000e+00, 22 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   20   54.00000    0.00000   100%     -    0s
H    0     0                      51.0000000    0.00000   100%     -    0s
H    0     0                      48.0000000    0.00000   100%     -    0s
H    0     0                      39.0000000    0.00000   100%     -    0s
     0     2    2.91461    0   20   39.00000    2.91461  92.5%     -    0s
H  608   339                      38.0000000   16.26599  57.2%   2.1    0s
*  680   349              26      37.0000000   16.26599  56.0%   2.1    0s

Explored 9083 nodes (18506 simplex iterations) in 0.38 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.700000000000e+01, best bound 3.700000000000e+01, gap 0.0%