Gurobi 5.0.1 (linux64) logging started Sun Nov 18 07:36:22 2012

Optimize a model with 266 rows, 760 columns and 760 nonzeros
Model has 530 quadratic constraints
Presolve removed 0 rows and 25 columns
Presolve time: 3.09s
Presolved: 266 rows, 735 columns, 735 nonzeros
Variable types: 530 continuous, 205 integer (204 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                     124.0000000          -     -      -    3s
     0     0    0.00000    0    2  124.00000    0.00000   100%     -    3s
     0     0    0.00000    0   18  124.00000    0.00000   100%     -    3s
     0     0    0.00000    0    2  124.00000    0.00000   100%     -    3s
     0     2    0.00000    0   83  124.00000    0.00000   100%     -    3s
H   54    54                      35.0000000    2.41667  93.1%  43.4    3s
*   76    72              52      30.0000000    2.41667  91.9%  38.7    3s
*   79    57              54      29.0000000    2.41667  91.7%  38.5    3s
H  108    80                      24.0000000    2.53425  89.4%  33.9    3s
H  239   126                      21.0000000    3.00000  85.7%  29.7    3s
   607   279    7.92593   14  718   21.00000    7.92593  62.3%  30.4    5s
*  743   323              44      20.0000000    7.92593  60.4%  38.8    5s
H 2182   364                      19.0000000   12.97778  31.7%  31.5    8s
  2599   361   16.55152   35  407   19.00000   13.69565  27.9%  31.1   10s
H 2878   316                      18.0000000   14.14925  21.4%  30.6   11s

Explored 3545 nodes (105356 simplex iterations) in 13.56 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.800000000000e+01, best bound 1.800000000000e+01, gap 0.0%