Gurobi 5.0.1 (linux64) logging started Sun Nov 18 06:06:29 2012

Optimize a model with 230 rows, 661 columns and 661 nonzeros
Model has 458 quadratic constraints
Presolve removed 0 rows and 14 columns
Presolve time: 2.67s
Presolved: 230 rows, 647 columns, 647 nonzeros
Variable types: 458 continuous, 189 integer (188 binary)

Root relaxation: objective 0.000000e+00, 81 iterations, 0.00 seconds

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

H    0     0                     108.0000000          -     -      -    2s
     0     0    0.00000    0    4  108.00000    0.00000   100%     -    2s
     0     0    0.00000    0  149  108.00000    0.00000   100%     -    2s
     0     0    0.00000    0  136  108.00000    0.00000   100%     -    2s
     0     2    0.00000    0  134  108.00000    0.00000   100%     -    2s
H   54    54                      22.0000000    2.51748  88.6%  33.1    2s
*   65    61              40      20.0000000    2.51748  87.4%  32.4    2s
*  106    87              33      18.0000000    3.05109  83.0%  25.4    2s
*  169   121              20      17.0000000    3.28125  80.7%  24.3    3s
H  498   242                      16.0000000    6.04545  62.2%  19.4    3s
   607   278    6.25000   13  621   16.00000    6.25000  60.9%  23.3    5s
*  688   300              31      15.0000000    6.25000  58.3%  31.0    5s
* 1490   166              31      14.0000000    9.44156  32.6%  34.1    7s

Explored 1840 nodes (65180 simplex iterations) in 7.92 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.400000000000e+01, best bound 1.400000000000e+01, gap 0.0%