Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:40:42 2012

Optimize a model with 1 rows, 41 columns and 41 nonzeros
Model has 85 quadratic objective terms
Modified 41 Q diagonals
Presolve time: 0.01s
Presolved: 1 rows, 41 columns, 41 nonzeros
Presolved model has 126 quadratic objective terms
Variable types: 0 continuous, 41 integer (41 binary)
Found heuristic solution: objective 43.0000000

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   41   43.00000    0.00000   100%     -    0s
H    0     0                      32.0000000    0.00000   100%     -    0s
H    0     0                      31.0000000    0.00000   100%     -    0s
H    0     0                      22.0000000    0.00000   100%     -    0s
H    0     0                      20.0000000    0.00000   100%     -    0s
     0     2    0.66022    0   41   20.00000    0.66022  96.7%     -    0s
H  247   199                      19.0000000    3.08604  83.8%   2.6    0s
H  704   446                      18.0000000    4.73627  73.7%   2.6    0s

Explored 32202 nodes (83871 simplex iterations) in 2.19 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%