Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:37:44 2012

Optimize a model with 1 rows, 19 columns and 19 nonzeros
Model has 21 quadratic objective terms
Presolve time: 0.00s
Presolved: 22 rows, 40 columns, 82 nonzeros
Variable types: 0 continuous, 40 integer (40 binary)
Found heuristic solution: objective 8.0000000

Root relaxation: objective 0.000000e+00, 27 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    4    8.00000    0.00000   100%     -    0s
H    0     0                       4.0000000    0.00000   100%     -    0s
     0     0    0.00000    0   12    4.00000    0.00000   100%     -    0s
     0     0    0.00000    0    2    4.00000    0.00000   100%     -    0s
H    0     0                       2.0000000    0.00000   100%     -    0s
     0     0    0.00000    0    7    2.00000    0.00000   100%     -    0s
     0     0    0.00000    0    7    2.00000    0.00000   100%     -    0s
     0     2    0.00000    0    7    2.00000    0.00000   100%     -    0s

Cutting planes:
  Cover: 26
  MIR: 1

Explored 52 nodes (235 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%