Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:10:40 2012

Optimize a model with 1 rows, 45 columns and 45 nonzeros
Model has 61 quadratic objective terms
Presolve removed 0 rows and 3 columns
Presolve time: 0.00s
Presolved: 62 rows, 103 columns, 225 nonzeros
Variable types: 0 continuous, 103 integer (102 binary)
Found heuristic solution: objective 22.0000000

Root relaxation: objective 0.000000e+00, 66 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   22.00000    0.00000   100%     -    0s
H    0     0                      17.0000000    0.00000   100%     -    0s
     0     0    0.00000    0   15   17.00000    0.00000   100%     -    0s
H    0     0                      15.0000000    0.00000   100%     -    0s
     0     0    0.00000    0   21   15.00000    0.00000   100%     -    0s
     0     0    0.00000    0   21   15.00000    0.00000   100%     -    0s
H    0     0                      14.0000000    0.00000   100%     -    0s
     0     2    0.00000    0   21   14.00000    0.00000   100%     -    0s
H   54    29                      11.0000000    0.00000   100%   3.8    0s
*  179    61               8       8.0000000    0.00000   100%   7.7    0s
*  237    31              11       7.0000000    4.00000  42.9%  10.6    0s

Cutting planes:
  Cover: 112

Explored 269 nodes (3373 simplex iterations) in 0.05 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 7.000000000000e+00, best bound 7.000000000000e+00, gap 0.0%