Gurobi 5.0.1 (linux64) logging started Sun Nov 18 06:10:34 2012

Optimize a model with 217 rows, 639 columns and 639 nonzeros
Model has 432 quadratic constraints
Presolve removed 0 rows and 23 columns
Presolve time: 2.51s
Presolved: 217 rows, 616 columns, 616 nonzeros
Variable types: 432 continuous, 184 integer (183 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                     118.0000000          -     -      -    2s
     0     0    0.00000    0    6  118.00000    0.00000   100%     -    2s
     0     0    0.00000    0    7  118.00000    0.00000   100%     -    2s
     0     0    0.00000    0    7  118.00000    0.00000   100%     -    2s
     0     2    0.00000    0   74  118.00000    0.00000   100%     -    2s
*   28    28              20      16.0000000    1.64286  89.7%  39.3    2s
H   54    37                      12.0000000    1.64957  86.3%  26.0    2s
*   55    36              21      11.0000000    1.64957  85.0%  25.7    2s
*   69    39              26      10.0000000    1.64957  83.5%  25.5    2s
*  121    42               6       9.0000000    4.20000  53.3%  27.0    2s

Cutting planes:
  Gomory: 1

Explored 322 nodes (8116 simplex iterations) in 2.90 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%