Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:40:00 2012

Optimize a model with 92 rows, 220 columns and 220 nonzeros
Model has 182 quadratic constraints
Presolve time: 1.06s
Presolved: 92 rows, 220 columns, 220 nonzeros
Variable types: 182 continuous, 38 integer (38 binary)

Root relaxation: objective 0.000000e+00, 19 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   17   50.00000    0.00000   100%     -    1s
     0     0    0.00000    0   31   50.00000    0.00000   100%     -    1s
     0     0    0.00000    0   30   50.00000    0.00000   100%     -    1s
     0     2    0.00000    0   30   50.00000    0.00000   100%     -    1s
*   26    26              16      24.0000000    5.00000  79.2%  30.3    1s
*   27    23              15      21.0000000    5.00000  76.2%  30.0    1s
*  139    45               8      19.0000000    9.78788  48.5%  26.7    1s

Cutting planes:
  Gomory: 1

Explored 311 nodes (7128 simplex iterations) in 1.23 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.900000000000e+01, best bound 1.900000000000e+01, gap 0.0%