Gurobi 5.0.1 (linux64) logging started Sat Nov 17 19:57:21 2012

Optimize a model with 1 rows, 24 columns and 24 nonzeros
Model has 141 quadratic objective terms
Modified 24 Q diagonals
Presolve time: 0.01s
Presolved: 1 rows, 24 columns, 24 nonzeros
Presolved model has 165 quadratic objective terms
Variable types: 0 continuous, 24 integer (24 binary)
Found heuristic solution: objective 69.0000000

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   69.00000    0.00000   100%     -    0s
H    0     0                      68.0000000    0.00000   100%     -    0s
     0     2    3.67032    0   24   68.00000    3.67032  94.6%     -    0s
H   10    10                      65.0000000    7.04738  89.2%   1.8    0s
H   59    48                      62.0000000    7.10849  88.5%   2.0    0s
H  201   154                      58.0000000   13.52440  76.7%   2.1    0s
H  604   398                      56.0000000   17.67350  68.4%   2.1    0s
H  724   421                      55.0000000   17.67350  67.9%   2.1    0s

Explored 55120 nodes (115438 simplex iterations) in 3.17 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 5.500000000000e+01, best bound 5.500000000000e+01, gap 0.0%