Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:20:15 2012

Optimize a model with 1 rows, 122 columns and 122 nonzeros
Model has 89 quadratic objective terms
Presolve removed 0 rows and 22 columns
Presolve time: 0.00s
Presolved: 90 rows, 189 columns, 367 nonzeros
Variable types: 0 continuous, 189 integer (188 binary)
Found heuristic solution: objective 24.0000000

Root relaxation: objective 0.000000e+00, 111 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   24.00000    0.00000   100%     -    0s
H    0     0                      20.0000000    0.00000   100%     -    0s
     0     0    0.00000    0   20   20.00000    0.00000   100%     -    0s
H    0     0                      18.0000000    0.00000   100%     -    0s
     0     0    0.00000    0   18   18.00000    0.00000   100%     -    0s
H    0     0                      13.0000000    0.00000   100%     -    0s
     0     0    0.00000    0   13   13.00000    0.00000   100%     -    0s
H    0     0                       7.0000000    0.00000   100%     -    0s
     0     0    0.00000    0    7    7.00000    0.00000   100%     -    0s
     0     0    0.00000    0   30    7.00000    0.00000   100%     -    0s
     0     0    0.00000    0    7    7.00000    0.00000   100%     -    0s
H    0     0                       0.0000000    0.00000   0.0%     -    0s

Cutting planes:
  Cover: 5

Explored 0 nodes (260 simplex iterations) in 0.01 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 0.000000000000e+00, best bound 0.000000000000e+00, gap 0.0%