Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:23:12 2012

Optimize a model with 1 rows, 137 columns and 137 nonzeros
Model has 103 quadratic objective terms
Presolve removed 0 rows and 30 columns
Presolve time: 0.00s
Presolved: 104 rows, 210 columns, 416 nonzeros
Variable types: 0 continuous, 210 integer (209 binary)
Found heuristic solution: objective 28.0000000

Root relaxation: objective 0.000000e+00, 126 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   23   28.00000    0.00000   100%     -    0s
H    0     0                      13.0000000    0.00000   100%     -    0s
     0     0    0.00000    0   16   13.00000    0.00000   100%     -    0s
H    0     0                       6.0000000    0.00000   100%     -    0s
     0     0    0.00000    0    8    6.00000    0.00000   100%     -    0s
     0     0    0.00000    0   20    6.00000    0.00000   100%     -    0s
     0     0    0.00000    0    6    6.00000    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    6    2.00000    0.00000   100%     -    0s
     0     0    0.00000    0    6    2.00000    0.00000   100%     -    0s
     0     0    0.00000    0    6    2.00000    0.00000   100%     -    0s
     0     2    0.00000    0    6    2.00000    0.00000   100%     -    0s

Cutting planes:
  Cover: 180

Explored 536 nodes (5596 simplex iterations) in 0.10 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%