Gurobi 5.0.1 (linux64) logging started Sun Nov 18 07:37:35 2012

Optimize a model with 272 rows, 772 columns and 772 nonzeros
Model has 542 quadratic constraints
Presolve removed 0 rows and 16 columns
Presolve time: 3.17s
Presolved: 272 rows, 756 columns, 756 nonzeros
Variable types: 542 continuous, 214 integer (213 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                     138.0000000          -     -      -    3s
     0     0    0.00000    0   71  138.00000    0.00000   100%     -    3s
     0     0    0.00000    0    6  138.00000    0.00000   100%     -    3s
     0     0    0.00000    0  167  138.00000    0.00000   100%     -    3s
     0     2    0.00000    0  158  138.00000    0.00000   100%     -    3s
*   35    35              21      19.0000000    2.20168  88.4%  44.2    3s
*  454   228              26      18.0000000    9.07477  49.6%  23.5    3s
   606   260    9.94231   16  459   18.00000    9.94231  44.8%  27.2    5s
*  815   309              33      17.0000000    9.94231  41.5%  41.3    6s

Explored 1512 nodes (59517 simplex iterations) in 7.98 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.700000000000e+01, best bound 1.700000000000e+01, gap 0.0%