Gurobi 5.0.1 (linux64) logging started Sun Nov 18 06:48:43 2012

Optimize a model with 248 rows, 716 columns and 716 nonzeros
Model has 494 quadratic constraints
Presolve removed 0 rows and 24 columns
Presolve time: 2.88s
Presolved: 248 rows, 692 columns, 692 nonzeros
Variable types: 494 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                     118.0000000          -     -      -    2s
     0     0    0.00000    0   62  118.00000    0.00000   100%     -    2s
     0     0    0.00000    0  113  118.00000    0.00000   100%     -    2s
     0     0    0.00000    0  113  118.00000    0.00000   100%     -    2s
     0     2    0.00000    0  113  118.00000    0.00000   100%     -    2s
H   44    44                      24.0000000    2.24138  90.7%  24.5    3s
H   54    54                      23.0000000    2.24138  90.3%  22.9    3s
*   71    63              53      22.0000000    2.24138  89.8%  22.0    3s
*  121    81              39      20.0000000    2.68605  86.6%  20.4    3s
H  216   114                      18.0000000    3.80952  78.8%  19.2    3s
*  227   103              22      17.0000000    3.80952  77.6%  19.7    3s
   701   267   16.38854   27  113   17.00000    6.70973  60.5%  34.8    5s
* 2785    40              45      16.0000000   14.62069  8.62%  30.9    9s

Explored 2826 nodes (88343 simplex iterations) in 9.64 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%