Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:27:12 2012

Optimize a model with 1 rows, 152 columns and 152 nonzeros
Model has 123 quadratic objective terms
Presolve removed 0 rows and 31 columns
Presolve time: 0.00s
Presolved: 124 rows, 244 columns, 490 nonzeros
Variable types: 0 continuous, 244 integer (243 binary)
Found heuristic solution: objective 30.0000000

Root relaxation: objective 0.000000e+00, 146 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    6   30.00000    0.00000   100%     -    0s
H    0     0                       6.0000000    0.00000   100%     -    0s
     0     0    0.00000    0   11    6.00000    0.00000   100%     -    0s
     0     0    0.00000    0   11    6.00000    0.00000   100%     -    0s
     0     0    0.00000    0   11    6.00000    0.00000   100%     -    0s
     0     0    0.00000    0   10    6.00000    0.00000   100%     -    0s
H    0     0                       5.0000000    0.00000   100%     -    0s
     0     2    0.00000    0    5    5.00000    0.00000   100%     -    0s
H  432   138                       4.0000000    0.00000   100%   8.8    0s
*  463    92              18       3.0000000    0.38889  87.0%  10.4    0s

Cutting planes:
  Cover: 219

Explored 557 nodes (10414 simplex iterations) in 0.18 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.000000000000e+00, best bound 3.000000000000e+00, gap 0.0%