Gurobi 5.0.1 (linux64) logging started Sun Nov 18 00:35:42 2012

Optimize a model with 1 rows, 52 columns and 52 nonzeros
Model has 151 quadratic objective terms
Modified 52 Q diagonals
Presolve time: 0.01s
Presolved: 1 rows, 52 columns, 52 nonzeros
Presolved model has 203 quadratic objective terms
Variable types: 0 continuous, 52 integer (52 binary)
Found heuristic solution: objective 69.0000000

Root relaxation: objective 0.000000e+00, 54 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   52   69.00000    0.00000   100%     -    0s
H    0     0                      59.0000000    0.00000   100%     -    0s
H    0     0                      57.0000000    0.00000   100%     -    0s
H    0     0                      36.0000000    0.00000   100%     -    0s
     0     2    2.00321    0   52   36.00000    2.00321  94.4%     -    0s
H  216   184                      35.0000000    6.08543  82.6%   2.5    0s
H  270   213                      34.0000000    6.11134  82.0%   2.4    0s
H  378   302                      33.0000000    6.11714  81.5%   2.4    0s
 53887 17879   27.69721   22   39   33.00000   24.49558  25.8%   2.5    5s
 108678 25535   30.94816   25   36   33.00000   26.59762  19.4%   2.5   10s
 163326 25800   27.94491   22   39   33.00000   27.94491  15.3%   2.5   15s
 218337 19071   31.47694   25   35   33.00000   29.19706  11.5%   2.5   20s

Explored 270178 nodes (665006 simplex iterations) in 24.77 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.300000000000e+01, best bound 3.300000000000e+01, gap 0.0%