Gurobi 5.0.1 (linux64) logging started Sun Nov 18 06:12:29 2012

Optimize a model with 216 rows, 639 columns and 639 nonzeros
Model has 430 quadratic constraints
Presolve removed 0 rows and 24 columns
Presolve time: 2.51s
Presolved: 216 rows, 615 columns, 615 nonzeros
Variable types: 430 continuous, 185 integer (184 binary)

Root relaxation: objective 0.000000e+00, 77 iterations, 0.00 seconds

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

H    0     0                     112.0000000          -     -      -    2s
     0     0    0.00000    0    5  112.00000    0.00000   100%     -    2s
     0     0    0.00000    0    5  112.00000    0.00000   100%     -    2s
     0     0    0.00000    0    2  112.00000    0.00000   100%     -    2s
     0     2    0.00000    0  121  112.00000    0.00000   100%     -    2s
*   22    22              17      13.0000000    1.02041  92.2%  73.2    2s
*   38    27              11      10.0000000    1.99174  80.1%  55.5    2s
H  497   154                      10.0000000    6.17241  38.3%  17.7    3s
*  501    99              12       9.0000000    6.17241  31.4%  17.8    3s

Cutting planes:

Explored 720 nodes (13624 simplex iterations) in 3.14 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 9.000000000000e+00, best bound 9.000000000000e+00, gap 0.0%