Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:22:33 2012

Optimize a model with 1 rows, 134 columns and 134 nonzeros
Model has 95 quadratic objective terms
Presolve removed 0 rows and 30 columns
Presolve time: 0.00s
Presolved: 96 rows, 199 columns, 389 nonzeros
Variable types: 0 continuous, 199 integer (198 binary)
Found heuristic solution: objective 20.0000000

Root relaxation: objective 0.000000e+00, 123 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   20.00000    0.00000   100%     -    0s
H    0     0                      15.0000000    0.00000   100%     -    0s
     0     0    0.00000    0   11   15.00000    0.00000   100%     -    0s
H    0     0                      10.0000000    0.00000   100%     -    0s
     0     0    0.00000    0   12   10.00000    0.00000   100%     -    0s
     0     0    0.00000    0   13   10.00000    0.00000   100%     -    0s
H    0     0                       5.0000000    0.00000   100%     -    0s
H    0     0                       4.0000000    0.00000   100%     -    0s
     0     0    0.00000    0   13    4.00000    0.00000   100%     -    0s
     0     0    0.00000    0   13    4.00000    0.00000   100%     -    0s
     0     2    0.00000    0   13    4.00000    0.00000   100%     -    0s
H   75    22                       3.0000000    0.00000   100%   2.4    0s
*   80    17              13       2.0000000    0.00000   100%   2.4    0s
*  223     8              22       1.0000000    0.00000   100%   5.8    0s

Cutting planes:
  Cover: 117

Explored 224 nodes (1565 simplex iterations) in 0.05 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.000000000000e+00, best bound 1.000000000000e+00, gap 0.0%