Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:34:06 2012

Optimize a model with 149 rows, 457 columns and 457 nonzeros
Model has 296 quadratic constraints
Presolve removed 0 rows and 25 columns
Presolve time: 1.73s
Presolved: 149 rows, 432 columns, 432 nonzeros
Variable types: 296 continuous, 136 integer (135 binary)

Root relaxation: objective 0.000000e+00, 53 iterations, 0.00 seconds

    Nodes    |    Current Node    |     Objective Bounds      |     Work
 Expl Unexpl |  Obj  Depth IntInf | Incumbent    BestBd   Gap | It/Node Time

H    0     0                      72.0000000          -     -      -    1s
     0     0    0.00000    0   87   72.00000    0.00000   100%     -    1s
     0     0    0.00000    0  108   72.00000    0.00000   100%     -    1s
     0     0    0.00000    0  108   72.00000    0.00000   100%     -    1s
     0     2    0.00000    0  102   72.00000    0.00000   100%     -    1s
*   29    21              20       8.0000000    2.31453  71.1%  29.2    1s
H   81    27                       7.0000000    3.13333  55.2%  16.3    1s
*   95    19              11       6.0000000    3.54545  40.9%  16.5    1s

Cutting planes:
  Gomory: 3

Explored 136 nodes (3287 simplex iterations) in 1.92 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 6.000000000000e+00, best bound 6.000000000000e+00, gap 0.0%