Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:41:01 2012

Optimize a model with 171 rows, 512 columns and 512 nonzeros
Model has 340 quadratic constraints
Presolve removed 0 rows and 27 columns
Presolve time: 1.99s
Presolved: 171 rows, 485 columns, 485 nonzeros
Variable types: 340 continuous, 145 integer (144 binary)

Root relaxation: objective 0.000000e+00, 61 iterations, 0.00 seconds

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

H    0     0                      82.0000000          -     -      -    1s
     0     0    0.00000    0   80   82.00000    0.00000   100%     -    2s
     0     0    0.00000    0  102   82.00000    0.00000   100%     -    2s
     0     0    0.00000    0   89   82.00000    0.00000   100%     -    2s
     0     2    0.00000    0   89   82.00000    0.00000   100%     -    2s
*   25    23              20      10.0000000    2.06836  79.3%  43.2    2s
H   71    27                       8.0000000    3.10526  61.2%  25.3    2s

Cutting planes:
  Gomory: 3

Explored 255 nodes (5611 simplex iterations) in 2.27 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 7.999999999007e+00, best bound 7.999999999007e+00, gap 0.0%