Gurobi 5.0.1 (linux64) logging started Sun Nov 18 06:40:40 2012

Optimize a model with 258 rows, 733 columns and 733 nonzeros
Model has 514 quadratic constraints
Presolve removed 0 rows and 15 columns
Presolve time: 3.00s
Presolved: 258 rows, 718 columns, 718 nonzeros
Variable types: 514 continuous, 204 integer (203 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                     139.0000000          -     -      -    3s
     0     0    0.00000    0   75  139.00000    0.00000   100%     -    3s
     0     0    0.00000    0    6  139.00000    0.00000   100%     -    3s
     0     0    0.00000    0    5  139.00000    0.00000   100%     -    3s
     0     2    0.00000    0    5  139.00000    0.00000   100%     -    3s
*   35    35              26      23.0000000    1.10714  95.2%  54.2    3s
*  168   106              49      22.0000000    1.17884  94.6%  27.5    3s
H  232   111                      21.0000000    1.76087  91.6%  28.7    3s
*  232    93              23      20.0000000    1.76087  91.2%  28.7    3s
*  411   125              14      19.0000000    4.75493  75.0%  28.0    3s
*  519    95              12      16.0000000    6.64662  58.5%  29.6    3s

Cutting planes:

Explored 1117 nodes (37263 simplex iterations) in 4.65 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%