Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:44:30 2012

Optimize a model with 1 rows, 45 columns and 45 nonzeros
Model has 109 quadratic objective terms
Modified 45 Q diagonals
Presolve time: 0.01s
Presolved: 1 rows, 45 columns, 45 nonzeros
Presolved model has 154 quadratic objective terms
Variable types: 0 continuous, 45 integer (45 binary)
Found heuristic solution: objective 57.0000000

Root relaxation: objective 0.000000e+00, 47 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   45   57.00000    0.00000   100%     -    0s
H    0     0                      44.0000000    0.00000   100%     -    0s
H    0     0                      37.0000000    0.00000   100%     -    0s
H    0     0                      33.0000000    0.00000   100%     -    0s
H    0     0                      24.0000000    0.00000   100%     -    0s
     0     2    1.84537    0   45   24.00000    1.84537  92.3%     -    0s
H    9     9                      23.0000000    2.41102  89.5%   1.8    0s
H   27    27                      22.0000000    2.41102  89.0%   2.2    0s

Explored 19864 nodes (51093 simplex iterations) in 1.62 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.200000000000e+01, best bound 2.200000000000e+01, gap 0.0%