Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:28:52 2012

Optimize a model with 158 rows, 389 columns and 389 nonzeros
Model has 314 quadratic constraints
Presolve removed 0 rows and 1 columns
Presolve time: 1.83s
Presolved: 158 rows, 388 columns, 388 nonzeros
Variable types: 314 continuous, 74 integer (73 binary)

Root relaxation: objective 0.000000e+00, 37 iterations, 0.00 seconds

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

H    0     0                      88.0000000          -     -      -    1s
     0     0    0.00000    0   41   88.00000    0.00000   100%     -    1s
     0     0    0.00000    0   62   88.00000    0.00000   100%     -    1s
     0     0    0.00000    0   59   88.00000    0.00000   100%     -    1s
     0     2    0.00000    0   59   88.00000    0.00000   100%     -    1s
H   50    50                      35.0000000    5.00000  85.7%  30.4    1s
H  194   163                      34.0000000    6.62162  80.5%  28.6    2s
H  292   219                      32.0000000    7.74484  75.8%  30.5    2s
  2315   844   29.35484   34  233   32.00000   16.45455  48.6%  25.8    5s
  7936  2650     cutoff   33        32.00000   21.52941  32.7%  19.0   10s
 13832  3637     cutoff   38        32.00000   23.97436  25.1%  17.5   15s
 19880  4161   31.21142   32  184   32.00000   25.36000  20.8%  16.8   20s
 26145  4089   31.55556   32  214   32.00000   26.56522  17.0%  16.3   25s
 32575  3312   30.56140   34  225   32.00000   27.77778  13.2%  16.0   30s
 39144  1526     cutoff   39        32.00000   29.18182  8.81%  15.9   35s

Explored 42072 nodes (658366 simplex iterations) in 36.82 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.200000000004e+01, best bound 3.200000000004e+01, gap 0.0%