Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:10:32 2012

Optimize a model with 1 rows, 44 columns and 44 nonzeros
Model has 58 quadratic objective terms
Presolve removed 0 rows and 3 columns
Presolve time: 0.00s
Presolved: 59 rows, 99 columns, 215 nonzeros
Variable types: 0 continuous, 99 integer (98 binary)
Found heuristic solution: objective 21.0000000

Root relaxation: objective 0.000000e+00, 80 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   27   21.00000    0.00000   100%     -    0s
     0     0    0.00000    0   14   21.00000    0.00000   100%     -    0s
H    0     0                      11.0000000    0.00000   100%     -    0s
H    0     0                       9.0000000    0.00000   100%     -    0s
     0     0    0.00000    0   27    9.00000    0.00000   100%     -    0s
     0     0    0.00000    0    9    9.00000    0.00000   100%     -    0s
H    0     0                       7.0000000    0.00000   100%     -    0s
     0     2    0.00000    0    9    7.00000    0.00000   100%     -    0s
H   27    17                       6.0000000    0.00000   100%   2.1    0s

Cutting planes:
  Cover: 109

Explored 166 nodes (2204 simplex iterations) in 0.03 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 6.000000000000e+00, best bound 6.000000000000e+00, gap 0.0%