Gurobi 5.0.1 (linux64) logging started Sun Nov 18 06:27:02 2012

Optimize a model with 227 rows, 668 columns and 668 nonzeros
Model has 452 quadratic constraints
Presolve removed 0 rows and 24 columns
Presolve time: 2.64s
Presolved: 227 rows, 644 columns, 644 nonzeros
Variable types: 452 continuous, 192 integer (191 binary)

Root relaxation: objective 0.000000e+00, 79 iterations, 0.00 seconds

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

H    0     0                      98.0000000          -     -      -    2s
     0     0    0.00000    0   92   98.00000    0.00000   100%     -    2s
     0     0    0.00000    0  150   98.00000    0.00000   100%     -    2s
     0     0    0.00000    0  150   98.00000    0.00000   100%     -    2s
     0     2    0.00000    0   90   98.00000    0.00000   100%     -    2s
*   32    30              22      13.0000000    1.59524  87.7%  58.5    2s
*  174    96              16      12.0000000    2.78378  76.8%  27.7    3s
   929   164   11.00671   19  511   12.00000    7.15957  40.3%  30.3    5s

Explored 2283 nodes (83257 simplex iterations) in 7.68 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%