Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:38:48 2012

Optimize a model with 1 rows, 32 columns and 32 nonzeros
Model has 51 quadratic objective terms
Presolve time: 0.00s
Presolved: 52 rows, 83 columns, 185 nonzeros
Variable types: 0 continuous, 83 integer (83 binary)
Found heuristic solution: objective 22.0000000

Root relaxation: objective 0.000000e+00, 64 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   18   22.00000    0.00000   100%     -    0s
H    0     0                      15.0000000    0.00000   100%     -    0s
     0     0    0.00000    0   24   15.00000    0.00000   100%     -    0s
     0     0    0.00000    0   14   15.00000    0.00000   100%     -    0s
H    0     0                      14.0000000    0.00000   100%     -    0s
H    0     0                      13.0000000    0.00000   100%     -    0s
     0     0    0.00000    0   19   13.00000    0.00000   100%     -    0s
     0     0    0.00000    0   19   13.00000    0.00000   100%     -    0s
H    0     0                      12.0000000    0.00000   100%     -    0s
     0     2    0.00000    0   19   12.00000    0.00000   100%     -    0s
H  119    71                      11.0000000    1.00000  90.9%   6.9    0s
*  149    67               9      10.0000000    2.00000  80.0%   6.8    0s
H  151    60                       9.0000000    2.00000  77.8%   6.8    0s
H  154    48                       8.0000000    2.00000  75.0%   6.7    0s

Cutting planes:
  Gomory: 1
  Cover: 89
  MIR: 5

Explored 210 nodes (2023 simplex iterations) in 0.04 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%