Gurobi 5.0.1 (linux64) logging started Sun Nov 18 06:54:55 2012

Optimize a model with 255 rows, 731 columns and 731 nonzeros
Model has 508 quadratic constraints
Presolve removed 0 rows and 16 columns
Presolve time: 2.96s
Presolved: 255 rows, 715 columns, 715 nonzeros
Variable types: 508 continuous, 207 integer (206 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                     131.0000000          -     -      -    2s
     0     0    0.00000    0    3  131.00000    0.00000   100%     -    2s
     0     0    0.00000    0   48  131.00000    0.00000   100%     -    2s
     0     0    0.00000    0   57  131.00000    0.00000   100%     -    3s
     0     2    0.00000    0   57  131.00000    0.00000   100%     -    3s
H   40    38                      19.0000000    2.17699  88.5%  55.5    3s
   662   336   14.42570   21  398   19.00000    9.03846  52.4%  30.1    5s
* 1867   384              50      18.0000000   11.67956  35.1%  43.4    8s
  2310   391   17.62069   22  530   18.00000   12.76471  29.1%  46.5   10s
H 3506    53                      17.0000000   16.86792  0.78%  43.5   12s

Explored 3506 nodes (154180 simplex iterations) in 12.83 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.700000000000e+01, best bound 1.700000000000e+01, gap 0.0%