Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:37:54 2012

Optimize a model with 1 rows, 22 columns and 22 nonzeros
Model has 19 quadratic objective terms
Presolve removed 0 rows and 4 columns
Presolve time: 0.00s
Presolved: 20 rows, 37 columns, 75 nonzeros
Variable types: 0 continuous, 37 integer (36 binary)
Found heuristic solution: objective 4.0000000

Root relaxation: objective 0.000000e+00, 24 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    4.00000    0.00000   100%     -    0s
H    0     0                       3.0000000    0.00000   100%     -    0s
     0     0    0.00000    0    4    3.00000    0.00000   100%     -    0s
     0     0    0.00000    0    4    3.00000    0.00000   100%     -    0s
     0     0    0.00000    0    4    3.00000    0.00000   100%     -    0s
     0     2    0.00000    0    4    3.00000    0.00000   100%     -    0s
H   32     5                       2.0000000    0.00000   100%   2.8    0s

Cutting planes:
  Cover: 29

Explored 44 nodes (193 simplex iterations) in 0.01 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.000000000000e+00, best bound 2.000000000000e+00, gap 0.0%