Gurobi 5.0.1 (linux64) logging started Sun Nov 18 07:19:16 2012

Optimize a model with 257 rows, 739 columns and 739 nonzeros
Model has 512 quadratic constraints
Presolve removed 0 rows and 16 columns
Presolve time: 2.98s
Presolved: 257 rows, 723 columns, 723 nonzeros
Variable types: 512 continuous, 211 integer (210 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                     134.0000000          -     -      -    2s
     0     0    0.00000    0    3  134.00000    0.00000   100%     -    3s
     0     0    0.00000    0  126  134.00000    0.00000   100%     -    3s
     0     0    0.00000    0  112  134.00000    0.00000   100%     -    3s
     0     2    0.00000    0  104  134.00000    0.00000   100%     -    3s
H   44    44                      27.0000000    2.43333  91.0%  34.0    3s
*   55    55              41      26.0000000    2.43333  90.6%  29.3    3s
H   97    66                      20.0000000    2.46316  87.7%  23.0    3s
*  195   124              22      19.0000000    3.43137  81.9%  21.3    3s
*  656   329              41      18.0000000    7.18372  60.1%  24.4    4s
   668   331   10.86782   21  646   18.00000    7.18372  60.1%  24.8    5s
H  832   356                      17.0000000    7.18372  57.7%  32.3    5s
* 1225   309              41      16.0000000    9.95575  37.8%  31.4    6s

Explored 2165 nodes (64664 simplex iterations) in 8.29 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%