Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:24:54 2012

Optimize a model with 1 rows, 144 columns and 144 nonzeros
Model has 106 quadratic objective terms
Presolve removed 0 rows and 29 columns
Presolve time: 0.00s
Presolved: 107 rows, 221 columns, 433 nonzeros
Variable types: 0 continuous, 221 integer (220 binary)
Found heuristic solution: objective 29.0000000

Root relaxation: objective 0.000000e+00, 128 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   29.00000    0.00000   100%     -    0s
H    0     0                      20.0000000    0.00000   100%     -    0s
     0     0    0.00000    0   13   20.00000    0.00000   100%     -    0s
H    0     0                       9.0000000    0.00000   100%     -    0s
     0     0    0.00000    0    5    9.00000    0.00000   100%     -    0s
H    0     0                       4.0000000    0.00000   100%     -    0s
     0     0    0.00000    0    5    4.00000    0.00000   100%     -    0s
     0     0    0.00000    0   12    4.00000    0.00000   100%     -    0s
     0     0    0.00000    0    3    4.00000    0.00000   100%     -    0s
H    0     0                       2.0000000    0.00000   100%     -    0s
H    0     0                       0.0000000    0.00000   0.0%     -    0s

Cutting planes:
  Cover: 5

Explored 0 nodes (283 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%