Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:41:06 2012

Optimize a model with 86 rows, 211 columns and 211 nonzeros
Model has 170 quadratic constraints
Presolve time: 0.99s
Presolved: 86 rows, 211 columns, 211 nonzeros
Variable types: 170 continuous, 41 integer (41 binary)

Root relaxation: objective 0.000000e+00, 20 iterations, 0.00 seconds

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

H    0     0                      42.0000000          -     -      -    0s
     0     0    0.00000    0   21   42.00000    0.00000   100%     -    1s
     0     0    0.04750    0   40   42.00000    0.04750   100%     -    1s
     0     2    0.10000    0   40   42.00000    0.10000   100%     -    1s
*   37    37              20      23.0000000    4.58974  80.0%  16.4    1s
H   54    43                      19.0000000    4.61538  75.7%  18.6    1s
*  912    71               9      18.0000000   14.98934  16.7%  16.1    1s

Cutting planes:
  Gomory: 1

Explored 1031 nodes (16482 simplex iterations) in 1.37 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%