Gurobi 5.0.1 (linux64) logging started Sun Nov 18 06:03:44 2012

Optimize a model with 201 rows, 600 columns and 600 nonzeros
Model has 400 quadratic constraints
Presolve removed 0 rows and 27 columns
Presolve time: 2.35s
Presolved: 201 rows, 573 columns, 573 nonzeros
Variable types: 400 continuous, 173 integer (172 binary)

Root relaxation: objective 0.000000e+00, 71 iterations, 0.00 seconds

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

H    0     0                      92.0000000          -     -      -    2s
     0     0    0.00000    0    3   92.00000    0.00000   100%     -    2s
     0     0    0.00000    0   47   92.00000    0.00000   100%     -    2s
     0     0    0.00000    0    3   92.00000    0.00000   100%     -    2s
     0     2    0.00000    0    3   92.00000    0.00000   100%     -    2s
*   26    21              22       9.0000000    1.00000  88.9%  36.9    2s
*  196    53              13       8.0000000    3.05172  61.9%  23.1    2s
H  238    59                       8.0000000    3.52991  55.9%  23.1    2s

Cutting planes:

Explored 488 nodes (11007 simplex iterations) in 2.78 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 7.999999998736e+00, best bound 7.999999998736e+00, gap 0.0%