Gurobi 5.0.1 (linux64) logging started Sat Nov 17 19:55:51 2012

Optimize a model with 1 rows, 23 columns and 23 nonzeros
Model has 121 quadratic objective terms
Modified 23 Q diagonals
Presolve time: 0.01s
Presolved: 1 rows, 23 columns, 23 nonzeros
Presolved model has 144 quadratic objective terms
Variable types: 0 continuous, 23 integer (23 binary)
Found heuristic solution: objective 63.0000000

Root relaxation: objective 0.000000e+00, 25 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   23   63.00000    0.00000   100%     -    0s
H    0     0                      53.0000000    0.00000   100%     -    0s
H    0     0                      48.0000000    0.00000   100%     -    0s
H    0     0                      45.0000000    0.00000   100%     -    0s
     0     2    2.33935    0   23   45.00000    2.33935  94.8%     -    0s
H  661   389                      44.0000000   14.13045  67.9%   2.1    0s
*  668   373              27      43.0000000   14.13045  67.1%   2.1    0s

Explored 20070 nodes (42445 simplex iterations) in 1.28 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 4.300000000000e+01, best bound 4.300000000000e+01, gap 0.0%