Gurobi 5.0.1 (linux64) logging started Sat Nov 17 19:54:53 2012

Optimize a model with 1 rows, 22 columns and 22 nonzeros
Model has 122 quadratic objective terms
Modified 22 Q diagonals
Presolve time: 0.01s
Presolved: 1 rows, 22 columns, 22 nonzeros
Presolved model has 144 quadratic objective terms
Variable types: 0 continuous, 22 integer (22 binary)
Found heuristic solution: objective 67.0000000

Root relaxation: objective 0.000000e+00, 24 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   22   67.00000    0.00000   100%     -    0s
H    0     0                      60.0000000    0.00000   100%     -    0s
H    0     0                      54.0000000    0.00000   100%     -    0s
H    0     0                      51.0000000    0.00000   100%     -    0s
     0     2    3.42917    0   22   51.00000    3.42917  93.3%     -    0s
H  491   309                      49.0000000   15.27911  68.8%   2.0    0s
*  737   392              29      48.0000000   16.05138  66.6%   2.1    0s

Explored 30740 nodes (62365 simplex iterations) in 1.78 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 4.800000000000e+01, best bound 4.800000000000e+01, gap 0.0%