Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:39:49 2012

Optimize a model with 1 rows, 38 columns and 38 nonzeros
Model has 62 quadratic objective terms
Presolve removed 0 rows and 3 columns
Presolve time: 0.00s
Presolved: 63 rows, 97 columns, 221 nonzeros
Variable types: 0 continuous, 97 integer (96 binary)
Found heuristic solution: objective 23.0000000

Root relaxation: objective 0.000000e+00, 71 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   22   23.00000    0.00000   100%     -    0s
H    0     0                      21.0000000    0.00000   100%     -    0s
     0     0    0.00000    0   18   21.00000    0.00000   100%     -    0s
H    0     0                      17.0000000    0.00000   100%     -    0s
     0     0    0.00000    0   65   17.00000    0.00000   100%     -    0s
     0     0    0.00000    0   23   17.00000    0.00000   100%     -    0s
H    0     0                      15.0000000    0.00000   100%     -    0s
H    0     0                      14.0000000    0.00000   100%     -    0s
     0     2    0.00000    0   23   14.00000    0.00000   100%     -    0s
H  113    44                      10.0000000    0.00000   100%   5.3    0s
H  148    32                       9.0000000    1.00000  88.9%   7.9    0s

Cutting planes:
  Gomory: 2
  Cover: 120

Explored 197 nodes (2231 simplex iterations) in 0.04 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 9.000000000000e+00, best bound 9.000000000000e+00, gap 0.0%