Gurobi 5.0.1 (linux64) logging started Sun Nov 18 06:15:09 2012

Optimize a model with 232 rows, 672 columns and 672 nonzeros
Model has 462 quadratic constraints
Presolve removed 0 rows and 11 columns
Presolve time: 2.70s
Presolved: 232 rows, 661 columns, 661 nonzeros
Variable types: 462 continuous, 199 integer (198 binary)

Root relaxation: objective 0.000000e+00, 81 iterations, 0.00 seconds

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

H    0     0                     113.0000000          -     -      -    2s
     0     0    0.00000    0   63  113.00000    0.00000   100%     -    2s
     0     0    0.00000    0   86  113.00000    0.00000   100%     -    2s
     0     0    0.00000    0   86  113.00000    0.00000   100%     -    2s
     0     2    0.00000    0   86  113.00000    0.00000   100%     -    2s
H   35    35                      23.0000000    1.11321  95.2%  28.4    2s
*   92    58              24      18.0000000    1.71429  90.5%  21.9    2s
H  162    58                      15.0000000    2.71622  81.9%  18.9    3s
*  218    59               8      12.0000000    3.91525  67.4%  20.4    3s

Cutting planes:
  Gomory: 5

Explored 993 nodes (20878 simplex iterations) in 3.71 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%