Gurobi 5.0.1 (linux64) logging started Sat Nov 17 19:55:44 2012

Optimize a model with 1 rows, 23 columns and 23 nonzeros
Model has 119 quadratic objective terms
Modified 23 Q diagonals
Presolve time: 0.01s
Presolved: 1 rows, 23 columns, 23 nonzeros
Presolved model has 142 quadratic objective terms
Variable types: 0 continuous, 23 integer (23 binary)
Found heuristic solution: objective 62.0000000

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   62.00000    0.00000   100%     -    0s
H    0     0                      51.0000000    0.00000   100%     -    0s
H    0     0                      50.0000000    0.00000   100%     -    0s
     0     2    3.37485    0   23   50.00000    3.37485  93.3%     -    0s
H    9     9                      49.0000000    5.21387  89.4%   1.8    0s
H  231   170                      48.0000000    9.72549  79.7%   2.0    0s
*  703   416              28      47.0000000   14.79849  68.5%   2.1    0s

Explored 51480 nodes (106207 simplex iterations) in 2.50 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 4.700000000000e+01, best bound 4.700000000000e+01, gap 0.0%