Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:40:25 2012

Optimize a model with 1 rows, 40 columns and 40 nonzeros
Model has 99 quadratic objective terms
Modified 40 Q diagonals
Presolve time: 0.01s
Presolved: 1 rows, 40 columns, 40 nonzeros
Presolved model has 139 quadratic objective terms
Variable types: 0 continuous, 40 integer (40 binary)
Found heuristic solution: objective 51.0000000

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   51.00000    0.00000   100%     -    0s
H    0     0                      41.0000000    0.00000   100%     -    0s
H    0     0                      32.0000000    0.00000   100%     -    0s
H    0     0                      28.0000000    0.00000   100%     -    0s
H    0     0                      27.0000000    0.00000   100%     -    0s
     0     2    1.99713    0   40   27.00000    1.99713  92.6%     -    0s
H  709   472                      25.0000000    6.41310  74.3%   2.5    0s
H  713   448                      24.0000000    6.41310  73.3%   2.5    0s
H  798   446                      23.0000000    7.33536  68.1%   2.6    0s

Explored 21524 nodes (52359 simplex iterations) in 1.54 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.300000000000e+01, best bound 2.300000000000e+01, gap 0.0%