Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:24:09 2012

Optimize a model with 1 rows, 141 columns and 141 nonzeros
Model has 83 quadratic objective terms
Presolve removed 0 rows and 45 columns
Presolve time: 0.00s
Presolved: 84 rows, 179 columns, 345 nonzeros
Variable types: 0 continuous, 179 integer (178 binary)
Found heuristic solution: objective 13.0000000

Root relaxation: objective 0.000000e+00, 93 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    7   13.00000    0.00000   100%     -    0s
H    0     0                       7.0000000    0.00000   100%     -    0s
     0     0    0.00000    0    9    7.00000    0.00000   100%     -    0s
     0     0    0.00000    0    4    7.00000    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    2    3.00000    0.00000   100%     -    0s
H    0     0                       2.0000000    0.00000   100%     -    0s
     0     0    0.00000    0    3    2.00000    0.00000   100%     -    0s
     0     0    0.00000    0    3    2.00000    0.00000   100%     -    0s
     0     0    0.00000    0    3    2.00000    0.00000   100%     -    0s
H    0     0                       0.0000000    0.00000   0.0%     -    0s

Cutting planes:
  Cover: 4

Explored 0 nodes (188 simplex iterations) in 0.02 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%