Gurobi 5.0.1 (linux64) logging started Sun Nov 18 06:14:06 2012

Optimize a model with 217 rows, 642 columns and 642 nonzeros
Model has 432 quadratic constraints
Presolve removed 0 rows and 29 columns
Presolve time: 2.52s
Presolved: 217 rows, 613 columns, 613 nonzeros
Variable types: 432 continuous, 181 integer (180 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                     123.0000000          -     -      -    2s
     0     0    0.00000    0  114  123.00000    0.00000   100%     -    2s
     0     0    0.00000    0  164  123.00000    0.00000   100%     -    2s
     0     0    0.00000    0  142  123.00000    0.00000   100%     -    2s
     0     2    0.00000    0  142  123.00000    0.00000   100%     -    2s
H   27    27                      19.0000000    2.40765  87.3%  42.6    2s
H   53    53                      16.0000000    2.40765  85.0%  29.8    2s
H   81    47                      13.0000000    2.48037  80.9%  27.8    2s
*   82    44              11      12.0000000    2.48037  79.3%  27.6    2s
*  391    31              12       9.0000000    6.75774  24.9%  25.1    2s

Cutting planes:
  Gomory: 3

Explored 430 nodes (12800 simplex iterations) in 3.02 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%