Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:39:49 2012

Optimize a model with 1 rows, 38 columns and 38 nonzeros
Model has 80 quadratic objective terms
Modified 38 Q diagonals
Presolve time: 0.01s
Presolved: 1 rows, 38 columns, 38 nonzeros
Presolved model has 118 quadratic objective terms
Variable types: 0 continuous, 38 integer (38 binary)
Found heuristic solution: objective 47.0000000

Root relaxation: objective 0.000000e+00, 40 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   38   47.00000    0.00000   100%     -    0s
H    0     0                      20.0000000    0.00000   100%     -    0s
     0     2    2.20578    0   38   20.00000    2.20578  89.0%     -    0s
H    3     3                      17.0000000    3.28265  80.7%   1.3    0s
H   75    41                      15.0000000    3.93077  73.8%   2.9    0s

Explored 2540 nodes (7389 simplex iterations) in 0.20 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.500000000000e+01, best bound 1.500000000000e+01, gap 0.0%