Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:52:10 2012

Optimize a model with 94 rows, 233 columns and 233 nonzeros
Model has 186 quadratic constraints
Presolve time: 1.10s
Presolved: 94 rows, 233 columns, 233 nonzeros
Variable types: 186 continuous, 47 integer (47 binary)

Root relaxation: objective 0.000000e+00, 23 iterations, 0.00 seconds

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

H    0     0                      50.0000000          -     -      -    1s
     0     0    0.00000    0   23   50.00000    0.00000   100%     -    1s
     0     0    0.00000    0   47   50.00000    0.00000   100%     -    1s
     0     0    0.00000    0   46   50.00000    0.00000   100%     -    1s
     0     2    0.00000    0   46   50.00000    0.00000   100%     -    1s
*   28    28              16      20.0000000    2.16667  89.2%  41.2    1s
*   29    22              16      19.0000000    2.16667  88.6%  40.0    1s
*  122    60              15      18.0000000    5.37037  70.2%  28.3    1s

Cutting planes:
  Gomory: 4

Explored 835 nodes (18392 simplex iterations) in 1.51 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%