Gurobi 5.0.1 (linux64) logging started Sat Nov 17 19:57:33 2012

Optimize a model with 1 rows, 24 columns and 24 nonzeros
Model has 145 quadratic objective terms
Modified 24 Q diagonals
Presolve time: 0.01s
Presolved: 1 rows, 24 columns, 24 nonzeros
Presolved model has 169 quadratic objective terms
Variable types: 0 continuous, 24 integer (24 binary)
Found heuristic solution: objective 80.0000000

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   80.00000    0.00000   100%     -    0s
H    0     0                      76.0000000    0.00000   100%     -    0s
H    0     0                      73.0000000    0.00000   100%     -    0s
H    0     0                      68.0000000    0.00000   100%     -    0s
     0     2    3.13540    0   24   68.00000    3.13540  95.4%     -    0s
H   45    37                      66.0000000    6.82574  89.7%   2.0    0s
H   52    41                      63.0000000    6.82574  89.2%   2.0    0s
H   83    58                      57.0000000   10.20811  82.1%   2.0    0s
H  608   360                      56.0000000   17.19389  69.3%   2.1    0s
H  698   370                      54.0000000   17.19389  68.2%   2.1    0s

Explored 40905 nodes (82400 simplex iterations) in 3.20 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 5.400000000000e+01, best bound 5.400000000000e+01, gap 0.0%