Gurobi 5.0.1 (linux64) logging started Sun Nov 18 06:08:30 2012

Optimize a model with 240 rows, 683 columns and 683 nonzeros
Model has 478 quadratic constraints
Presolve removed 0 rows and 24 columns
Presolve time: 2.79s
Presolved: 240 rows, 659 columns, 659 nonzeros
Variable types: 478 continuous, 181 integer (180 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                     132.0000000          -     -      -    2s
     0     0    0.00000    0  110  132.00000    0.00000   100%     -    2s
     0     0    0.00000    0  154  132.00000    0.00000   100%     -    2s
     0     0    0.00000    0  154  132.00000    0.00000   100%     -    2s
     0     2    0.00000    0  151  132.00000    0.00000   100%     -    2s
*   32    32              16      18.0000000    2.48148  86.2%  42.0    2s
   916   166   10.76241   11  642   18.00000   10.76241  40.2%  30.7    5s
  3294   162   17.77778   35  350   18.00000   15.20000  15.6%  31.6   10s

Explored 3672 nodes (114295 simplex iterations) in 10.54 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%