Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:39:37 2012

Optimize a model with 1 rows, 37 columns and 37 nonzeros
Model has 49 quadratic objective terms
Presolve removed 0 rows and 3 columns
Presolve time: 0.00s
Presolved: 50 rows, 83 columns, 181 nonzeros
Variable types: 0 continuous, 83 integer (82 binary)
Found heuristic solution: objective 15.0000000

Root relaxation: objective 0.000000e+00, 61 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   15.00000    0.00000   100%     -    0s
     0     0    0.00000    0   19   15.00000    0.00000   100%     -    0s
     0     0    0.00000    0   15   15.00000    0.00000   100%     -    0s
H    0     0                      10.0000000    0.00000   100%     -    0s
     0     0    0.00000    0   11   10.00000    0.00000   100%     -    0s
     0     0    0.00000    0   12   10.00000    0.00000   100%     -    0s
     0     0    0.00000    0   11   10.00000    0.00000   100%     -    0s
H    0     0                       9.0000000    0.00000   100%     -    0s
     0     2    0.00000    0   11    9.00000    0.00000   100%     -    0s
*  129    50              13       8.0000000    0.00000   100%   4.2    0s

Cutting planes:
  Cover: 92
  MIR: 2
  Zero half: 2

Explored 241 nodes (2724 simplex iterations) in 0.05 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%