Gurobi 5.0.1 (linux64) logging started Sat Nov 17 19:57:11 2012

Optimize a model with 1 rows, 24 columns and 24 nonzeros
Model has 128 quadratic objective terms
Modified 24 Q diagonals
Presolve time: 0.01s
Presolved: 1 rows, 24 columns, 24 nonzeros
Presolved model has 152 quadratic objective terms
Variable types: 0 continuous, 24 integer (24 binary)
Found heuristic solution: objective 66.0000000

Root relaxation: objective 0.000000e+00, 26 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   24   66.00000    0.00000   100%     -    0s
H    0     0                      55.0000000    0.00000   100%     -    0s
H    0     0                      54.0000000    0.00000   100%     -    0s
     0     2    2.83375    0   24   54.00000    2.83375  94.8%     -    0s
H   12    12                      53.0000000    6.42850  87.9%   1.8    0s
H   39    31                      51.0000000    6.49015  87.3%   2.1    0s
*  541   369              18      50.0000000   15.64062  68.7%   2.1    0s
*  675   427              17      49.0000000   15.94896  67.5%   2.1    0s
H  873   490                      47.0000000   16.59480  64.7%   2.1    0s

Explored 27660 nodes (56417 simplex iterations) in 1.90 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%