Gurobi 5.0.1 (linux64) logging started Sat Nov 17 19:52:46 2012

Optimize a model with 69 rows, 152 columns and 152 nonzeros
Model has 136 quadratic constraints
Presolve time: 0.79s
Presolved: 69 rows, 152 columns, 152 nonzeros
Variable types: 136 continuous, 16 integer (16 binary)

Root relaxation: objective 0.000000e+00, 8 iterations, 0.00 seconds

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

H    0     0                      39.0000000          -     -      -    0s
     0     0    0.00000    0   16   39.00000    0.00000   100%     -    0s
     0     0    0.50000    0   16   39.00000    0.50000  98.7%     -    0s
     0     2    0.53333    0   16   39.00000    0.53333  98.6%     -    0s
*   19    19              12      32.0000000    6.47917  79.8%  23.3    0s
H   70    40                      28.0000000   11.54688  58.8%  17.4    0s
*  179    48               9      27.0000000   14.82500  45.1%  13.8    0s

Cutting planes:
  Gomory: 1

Explored 496 nodes (6350 simplex iterations) in 0.93 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.700000000000e+01, best bound 2.700000000000e+01, gap 0.0%