Gurobi 5.0.1 (linux64) logging started Sun Nov 18 09:50:05 2012

Optimize a model with 290 rows, 822 columns and 822 nonzeros
Model has 578 quadratic constraints
Presolve removed 0 rows and 22 columns
Presolve time: 3.37s
Presolved: 290 rows, 800 columns, 800 nonzeros
Variable types: 578 continuous, 222 integer (221 binary)

Root relaxation: objective 0.000000e+00, 83 iterations, 0.00 seconds

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

H    0     0                     142.0000000          -     -      -    3s
     0     0    0.00000    0  159  142.00000    0.00000   100%     -    3s
     0     0    0.10699    0  204  142.00000    0.10699   100%     -    3s
     0     2    0.15652    0  204  142.00000    0.15652   100%     -    3s
H   46    46                      22.0000000    1.69524  92.3%  33.9    3s
*   46    46              28      20.0000000    1.69524  91.5%  34.0    3s
H  403   186                      19.0000000    8.65385  54.5%  29.6    4s
   675   270    9.71630   15  764   19.00000    9.71630  48.9%  37.0    5s
*  975   257              35      16.0000000    9.71630  39.3%  41.5    6s

Explored 1389 nodes (57921 simplex iterations) in 7.49 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.600000000000e+01, best bound 1.600000000000e+01, gap 0.0%