Gurobi 5.0.1 (linux64) logging started Sat Nov 17 19:57:36 2012

Optimize a model with 1 rows, 24 columns and 24 nonzeros
Model has 138 quadratic objective terms
Modified 24 Q diagonals
Presolve time: 0.01s
Presolved: 1 rows, 24 columns, 24 nonzeros
Presolved model has 162 quadratic objective terms
Variable types: 0 continuous, 24 integer (24 binary)
Found heuristic solution: objective 75.0000000

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   75.00000    0.00000   100%     -    0s
H    0     0                      68.0000000    0.00000   100%     -    0s
H    0     0                      61.0000000    0.00000   100%     -    0s
     0     2    2.84946    0   24   61.00000    2.84946  95.3%     -    0s
H   15    15                      60.0000000    7.07341  88.2%   1.9    0s
H   48    38                      58.0000000    7.08253  87.8%   2.0    0s
H   81    62                      57.0000000   10.25527  82.0%   2.0    0s
*  327   250              17      56.0000000   13.80749  75.3%   2.0    0s
H  940   482                      55.0000000   20.42757  62.9%   2.0    0s

Explored 78928 nodes (159366 simplex iterations) in 3.42 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%