Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:18:03 2012

Optimize a model with 1 rows, 107 columns and 107 nonzeros
Model has 67 quadratic objective terms
Presolve removed 0 rows and 32 columns
Presolve time: 0.00s
Presolved: 68 rows, 142 columns, 276 nonzeros
Variable types: 0 continuous, 142 integer (141 binary)
Found heuristic solution: objective 13.0000000

Root relaxation: objective 0.000000e+00, 78 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   13.00000    0.00000   100%     -    0s
H    0     0                       9.0000000    0.00000   100%     -    0s
     0     0    0.00000    0   12    9.00000    0.00000   100%     -    0s
H    0     0                       7.0000000    0.00000   100%     -    0s
     0     0    0.00000    0    8    7.00000    0.00000   100%     -    0s
H    0     0                       6.0000000    0.00000   100%     -    0s
     0     0    0.00000    0    6    6.00000    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
H    0     0                       2.0000000    0.00000   100%     -    0s
     0     2    0.00000    0    4    2.00000    0.00000   100%     -    0s
H   82     5                       1.0000000    0.00000   100%   1.6    0s

Cutting planes:
  Cover: 20

Explored 83 nodes (339 simplex iterations) in 0.02 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.000000000000e+00, best bound 1.000000000000e+00, gap 0.0%