Gurobi 5.0.1 (linux64) logging started Sat Nov 17 19:53:22 2012

Optimize a model with 1 rows, 19 columns and 19 nonzeros
Model has 92 quadratic objective terms
Modified 19 Q diagonals
Presolve time: 0.01s
Presolved: 1 rows, 19 columns, 19 nonzeros
Presolved model has 111 quadratic objective terms
Variable types: 0 continuous, 19 integer (19 binary)
Found heuristic solution: objective 55.0000000

Root relaxation: objective 0.000000e+00, 21 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   55.00000    0.00000   100%     -    0s
H    0     0                      45.0000000    0.00000   100%     -    0s
H    0     0                      42.0000000    0.00000   100%     -    0s
H    0     0                      37.0000000    0.00000   100%     -    0s
     0     2    3.15042    0   19   37.00000    3.15042  91.5%     -    0s
*  280   161              12      36.0000000   12.10577  66.4%   2.0    0s
*  522   248              11      35.0000000   15.60308  55.4%   2.1    0s
H 1608   237                      34.0000000   22.01178  35.3%   2.1    0s

Explored 3789 nodes (7736 simplex iterations) in 0.24 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.400000000000e+01, best bound 3.400000000000e+01, gap 0.0%