Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:38:27 2012

Optimize a model with 1 rows, 29 columns and 29 nonzeros
Model has 39 quadratic objective terms
Presolve removed 0 rows and 3 columns
Presolve time: 0.00s
Presolved: 40 rows, 65 columns, 143 nonzeros
Variable types: 0 continuous, 65 integer (64 binary)
Found heuristic solution: objective 12.0000000

Root relaxation: objective 0.000000e+00, 50 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   15   12.00000    0.00000   100%     -    0s
     0     0    0.00000    0   18   12.00000    0.00000   100%     -    0s
     0     0    0.00000    0   11   12.00000    0.00000   100%     -    0s
H    0     0                       8.0000000    0.00000   100%     -    0s
     0     0    0.00000    0   14    8.00000    0.00000   100%     -    0s
     0     0    0.00000    0   14    8.00000    0.00000   100%     -    0s
     0     2    0.00000    0   14    8.00000    0.00000   100%     -    0s
H   37    24                       7.0000000    0.00000   100%   2.9    0s
H   99    22                       6.0000000    1.18750  80.2%   6.5    0s

Cutting planes:
  Cover: 70
  MIR: 3
  Zero half: 1

Explored 123 nodes (1068 simplex iterations) in 0.02 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%