Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:44:57 2012

Optimize a model with 90 rows, 223 columns and 223 nonzeros
Model has 178 quadratic constraints
Presolve time: 1.04s
Presolved: 90 rows, 223 columns, 223 nonzeros
Variable types: 178 continuous, 45 integer (45 binary)

Root relaxation: objective 0.000000e+00, 22 iterations, 0.00 seconds

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

H    0     0                      47.0000000          -     -      -    1s
     0     0    0.00000    0   25   47.00000    0.00000   100%     -    1s
     0     0    0.10624    0   43   47.00000    0.10624   100%     -    1s
     0     2    0.11382    0   43   47.00000    0.11382   100%     -    1s
*   18    18              11      19.0000000    3.50000  81.6%  27.1    1s
H   50    29                      17.0000000    5.88889  65.4%  26.9    1s

Cutting planes:
  Gomory: 4

Explored 332 nodes (6407 simplex iterations) in 1.21 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.700000000016e+01, best bound 1.700000000016e+01, gap 0.0%