Gurobi 5.0.1 (linux64) logging started Sun Nov 18 07:11:34 2012

Optimize a model with 255 rows, 734 columns and 734 nonzeros
Model has 508 quadratic constraints
Presolve removed 0 rows and 14 columns
Presolve time: 3.00s
Presolved: 255 rows, 720 columns, 720 nonzeros
Variable types: 508 continuous, 212 integer (211 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                     125.0000000          -     -      -    3s
     0     0    0.00000    0   88  125.00000    0.00000   100%     -    3s
     0     0    0.00000    0   94  125.00000    0.00000   100%     -    3s
     0     0    0.00000    0   86  125.00000    0.00000   100%     -    3s
     0     2    0.00000    0   84  125.00000    0.00000   100%     -    3s
H   36    36                      24.0000000    1.74898  92.7%  38.2    3s
H   56    35                      23.0000000    1.74898  92.4%  32.4    3s
H   83    50                      21.0000000    1.97912  90.6%  27.3    3s
*   85    52              28      19.0000000    1.97912  89.6%  27.1    3s
H  249   120                      17.0000000    2.67187  84.3%  22.8    3s
*  394   169              15      16.0000000    5.11111  68.1%  21.7    3s
*  521   155              18      15.0000000    5.68829  62.1%  20.0    3s
   708   204    7.00000   15  446   15.00000    7.00000  53.3%  24.6    5s
*  903   242              37      14.0000000    7.00000  50.0%  36.3    5s

Explored 1393 nodes (51274 simplex iterations) in 6.85 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%