Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:37:58 2012

Optimize a model with 1 rows, 23 columns and 23 nonzeros
Model has 26 quadratic objective terms
Presolve removed 0 rows and 2 columns
Presolve time: 0.00s
Presolved: 27 rows, 47 columns, 99 nonzeros
Variable types: 0 continuous, 47 integer (46 binary)
Found heuristic solution: objective 11.0000000
Found heuristic solution: objective 5.0000000

Root relaxation: objective 0.000000e+00, 33 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   11    5.00000    0.00000   100%     -    0s
     0     0    0.00000    0   13    5.00000    0.00000   100%     -    0s
     0     0    0.00000    0    5    5.00000    0.00000   100%     -    0s
H    0     0                       4.0000000    0.00000   100%     -    0s
     0     2    0.00000    0    5    4.00000    0.00000   100%     -    0s
*   52    14              10       3.0000000    0.00000   100%   2.7    0s

Cutting planes:
  Cover: 40

Explored 71 nodes (355 simplex iterations) in 0.01 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%