Gurobi 5.0.1 (linux64) logging started Sat Nov 17 19:52:43 2012

Optimize a model with 1 rows, 16 columns and 16 nonzeros
Model has 68 quadratic objective terms
Modified 16 Q diagonals
Presolve time: 0.01s
Presolved: 1 rows, 16 columns, 16 nonzeros
Presolved model has 84 quadratic objective terms
Variable types: 0 continuous, 16 integer (16 binary)
Found heuristic solution: objective 39.0000000

Root relaxation: objective 0.000000e+00, 18 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   16   39.00000    0.00000   100%     -    0s
H    0     0                      31.0000000    0.00000   100%     -    0s
H    0     0                      30.0000000    0.00000   100%     -    0s
     0     2    2.71290    0   16   30.00000    2.71290  91.0%     -    0s
H   57    38                      28.0000000    7.68629  72.5%   2.0    0s

Explored 2247 nodes (4707 simplex iterations) in 0.10 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.800000000000e+01, best bound 2.800000000000e+01, gap 0.0%