Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:21:44 2012

Optimize a model with 103 rows, 271 columns and 271 nonzeros
Model has 204 quadratic constraints
Presolve removed 0 rows and 3 columns
Presolve time: 1.19s
Presolved: 103 rows, 268 columns, 268 nonzeros
Variable types: 204 continuous, 64 integer (63 binary)

Root relaxation: objective 0.000000e+00, 33 iterations, 0.00 seconds

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

H    0     0                      54.0000000          -     -      -    1s
     0     0    0.00000    0   35   54.00000    0.00000   100%     -    1s
     0     0    0.03383    0   57   54.00000    0.03383   100%     -    1s
     0     2    0.14286    0   57   54.00000    0.14286   100%     -    1s
*   13    13               9      16.0000000    3.32787  79.2%  49.8    1s
H   53    19                      13.0000000    5.27273  59.4%  23.0    1s

Cutting planes:
  Gomory: 2

Explored 226 nodes (5491 simplex iterations) in 1.35 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.299999999989e+01, best bound 1.299999999989e+01, gap 0.0%