Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:57:31 2012

Optimize a model with 205 rows, 600 columns and 600 nonzeros
Model has 408 quadratic constraints
Presolve removed 0 rows and 23 columns
Presolve time: 2.37s
Presolved: 205 rows, 577 columns, 577 nonzeros
Variable types: 408 continuous, 169 integer (168 binary)

Root relaxation: objective 0.000000e+00, 73 iterations, 0.00 seconds

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

H    0     0                     101.0000000          -     -      -    2s
     0     0    0.00000    0   19  101.00000    0.00000   100%     -    2s
     0     0    0.00000    0   16  101.00000    0.00000   100%     -    2s
     0     0    0.00000    0   16  101.00000    0.00000   100%     -    2s
     0     2    0.00000    0   16  101.00000    0.00000   100%     -    2s
H   27    27                      16.0000000    1.64286  89.7%  33.2    2s
*  208    80              15      15.0000000    5.00000  66.7%  16.4    2s
*  311   110              16      14.0000000    6.65385  52.5%  16.0    2s
*  324    89               6      13.0000000    6.72813  48.2%  15.9    2s
*  417    76              10      12.0000000    7.79928  35.0%  16.5    2s

Cutting planes:
  Gomory: 1

Explored 1005 nodes (15147 simplex iterations) in 3.06 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.200000000000e+01, best bound 1.200000000000e+01, gap 0.0%