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 85 quadratic objective terms
Modified 40 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 36.0000000

Root relaxation: objective 0.000000e+00, 42 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   40   36.00000    0.00000   100%     -    0s
H    0     0                      29.0000000    0.00000   100%     -    0s
     0     2    1.99218    0   40   29.00000    1.99218  93.1%     -    0s
H   12    12                      22.0000000    3.17562  85.6%   2.0    0s
H  276   212                      21.0000000    4.38556  79.1%   2.5    0s
H  635   429                      20.0000000    6.07540  69.6%   2.7    0s
H  730   434                      19.0000000    6.07540  68.0%   2.7    0s
H  731   400                      18.0000000    6.07540  66.2%   2.7    0s

Explored 9055 nodes (24332 simplex iterations) in 0.67 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.800000000000e+01, best bound 1.800000000000e+01, gap 0.0%