Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:40:24 2012

Optimize a model with 1 rows, 40 columns and 40 nonzeros
Model has 86 quadratic objective terms
Modified 39 Q diagonals
Presolve time: 0.01s
Presolved: 1 rows, 40 columns, 40 nonzeros
Presolved model has 125 quadratic objective terms
Variable types: 0 continuous, 40 integer (40 binary)
Found heuristic solution: objective 34.0000000

Root relaxation: objective 0.000000e+00, 43 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   39   34.00000    0.00000   100%     -    0s
H    0     0                      31.0000000    0.00000   100%     -    0s
H    0     0                      26.0000000    0.00000   100%     -    0s
H    0     0                      22.0000000    0.00000   100%     -    0s
H    0     0                      20.0000000    0.00000   100%     -    0s
     0     2    0.00000    0   39   20.00000    0.00000   100%     -    0s
H   82    65                      19.0000000    3.73373  80.3%   2.8    0s
H  147   110                      18.0000000    3.76512  79.1%   2.7    0s
H  215   150                      17.0000000    4.23246  75.1%   2.7    0s

Explored 8172 nodes (22140 simplex iterations) in 0.61 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.700000000000e+01, best bound 1.700000000000e+01, gap 0.0%