Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:12:14 2012

Optimize a model with 1 rows, 54 columns and 54 nonzeros
Model has 74 quadratic objective terms
Presolve removed 0 rows and 2 columns
Presolve time: 0.00s
Presolved: 75 rows, 126 columns, 274 nonzeros
Variable types: 0 continuous, 126 integer (125 binary)
Found heuristic solution: objective 27.0000000

Root relaxation: objective 0.000000e+00, 99 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   16   27.00000    0.00000   100%     -    0s
H    0     0                      14.0000000    0.00000   100%     -    0s
     0     0    0.00000    0   15   14.00000    0.00000   100%     -    0s
H    0     0                      11.0000000    0.00000   100%     -    0s
     0     0    0.00000    0   24   11.00000    0.00000   100%     -    0s
     0     0    0.00000    0   18   11.00000    0.00000   100%     -    0s
     0     0    0.00000    0   42   11.00000    0.00000   100%     -    0s
     0     0    0.00000    0   23   11.00000    0.00000   100%     -    0s
     0     2    0.00000    0   23   11.00000    0.00000   100%     -    0s
*  147    65              10      10.0000000    0.46667  95.3%   8.4    0s
H  191    37                       8.0000000    2.00000  75.0%   9.5    0s

Cutting planes:
  Cover: 134

Explored 236 nodes (4054 simplex iterations) in 0.07 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 8.000000000000e+00, best bound 8.000000000000e+00, gap 0.0%