Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:10:25 2012

Optimize a model with 1 rows, 43 columns and 43 nonzeros
Model has 51 quadratic objective terms
Presolve removed 0 rows and 4 columns
Presolve time: 0.00s
Presolved: 52 rows, 90 columns, 192 nonzeros
Variable types: 0 continuous, 90 integer (89 binary)
Found heuristic solution: objective 13.0000000

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   17   13.00000    0.00000   100%     -    0s
H    0     0                      12.0000000    0.00000   100%     -    0s
     0     0    0.00000    0   20   12.00000    0.00000   100%     -    0s
     0     0    0.00000    0   16   12.00000    0.00000   100%     -    0s
     0     0    0.00000    0   13   12.00000    0.00000   100%     -    0s
     0     0    0.00000    0   15   12.00000    0.00000   100%     -    0s
     0     0    0.00000    0   15   12.00000    0.00000   100%     -    0s
H    0     0                      10.0000000    0.00000   100%     -    0s
     0     2    0.00000    0   13   10.00000    0.00000   100%     -    0s
H   31    23                       8.0000000    0.00000   100%   3.3    0s
H   37    28                       7.0000000    0.00000   100%   3.5    0s
*   41    27              13       6.0000000    0.00000   100%   3.4    0s
H  147    10                       5.0000000    3.83333  23.3%  10.5    0s

Cutting planes:
  Cover: 97

Explored 158 nodes (1834 simplex iterations) in 0.03 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 5.000000000000e+00, best bound 5.000000000000e+00, gap 0.0%