Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:12:27 2012

Optimize a model with 1 rows, 55 columns and 55 nonzeros
Model has 68 quadratic objective terms
Presolve removed 0 rows and 5 columns
Presolve time: 0.00s
Presolved: 69 rows, 118 columns, 254 nonzeros
Variable types: 0 continuous, 118 integer (117 binary)
Found heuristic solution: objective 22.0000000

Root relaxation: objective 0.000000e+00, 89 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   14   22.00000    0.00000   100%     -    0s
H    0     0                      14.0000000    0.00000   100%     -    0s
     0     0    0.00000    0   14   14.00000    0.00000   100%     -    0s
H    0     0                      13.0000000    0.00000   100%     -    0s
     0     0    0.00000    0   16   13.00000    0.00000   100%     -    0s
     0     0    0.00000    0   16   13.00000    0.00000   100%     -    0s
H    0     0                      12.0000000    0.00000   100%     -    0s
     0     2    0.00000    0   16   12.00000    0.00000   100%     -    0s
H   16    16                      10.0000000    0.00000   100%   3.3    0s
*  137    49              10       8.0000000    0.00000   100%   6.1    0s
*  194    45               9       7.0000000    2.00000  71.4%  10.4    0s

Cutting planes:
  Cover: 131
  MIR: 1

Explored 244 nodes (3645 simplex iterations) in 0.06 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%