Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:40:04 2012

Optimize a model with 1 rows, 39 columns and 39 nonzeros
Model has 93 quadratic objective terms
Modified 39 Q diagonals
Presolve time: 0.01s
Presolved: 1 rows, 39 columns, 39 nonzeros
Presolved model has 132 quadratic objective terms
Variable types: 0 continuous, 39 integer (39 binary)
Found heuristic solution: objective 42.0000000

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   39   42.00000    0.00000   100%     -    0s
H    0     0                      32.0000000    0.00000   100%     -    0s
H    0     0                      30.0000000    0.00000   100%     -    0s
H    0     0                      24.0000000    0.00000   100%     -    0s
     0     2    1.66804    0   39   24.00000    1.66804  93.0%     -    0s
H    7     7                      22.0000000    3.19114  85.5%   1.7    0s
H28902  4726                      21.0000000   17.37959  17.2%   2.4    1s

Explored 42265 nodes (101749 simplex iterations) in 2.83 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.100000000000e+01, best bound 2.100000000000e+01, gap 0.0%