Gurobi 5.0.1 (linux64) logging started Sun Nov 18 06:57:11 2012

Optimize a model with 255 rows, 732 columns and 732 nonzeros
Model has 508 quadratic constraints
Presolve removed 0 rows and 26 columns
Presolve time: 2.97s
Presolved: 255 rows, 706 columns, 706 nonzeros
Variable types: 508 continuous, 198 integer (197 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                     145.0000000          -     -      -    2s
     0     0    0.00000    0    2  145.00000    0.00000   100%     -    2s
     0     0    0.00000    0    2  145.00000    0.00000   100%     -    2s
     0     0    0.00000    0    2  145.00000    0.00000   100%     -    2s
     0     2    0.00000    0   97  145.00000    0.00000   100%     -    3s
H   46    46                      24.0000000    1.37383  94.3%  41.3    3s
*   49    47              35      23.0000000    1.37383  94.0%  42.3    3s
*  502   249              18      22.0000000    5.46667  75.2%  18.8    3s
   693   335   21.04396   30  237   22.00000    5.78523  73.7%  27.5    5s
*  877   331              48      18.0000000    6.58333  63.4%  29.9    5s

Explored 2350 nodes (72640 simplex iterations) in 8.49 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.800000000000e+01, best bound 1.800000000000e+01, gap 0.0%