Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:09:17 2012

Optimize a model with 30 rows, 87 columns and 87 nonzeros
Model has 58 quadratic constraints
Presolve removed 0 rows and 1 columns
Presolve time: 0.34s
Presolved: 30 rows, 86 columns, 86 nonzeros
Variable types: 58 continuous, 28 integer (27 binary)

Root relaxation: objective 0.000000e+00, 14 iterations, 0.00 seconds

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

H    0     0                      19.0000000          -     -      -    0s
     0     0    0.00000    0   12   19.00000    0.00000   100%     -    0s
     0     0    0.00000    0   19   19.00000    0.00000   100%     -    0s
     0     0    0.00000    0   20   19.00000    0.00000   100%     -    0s
     0     2    0.00000    0   20   19.00000    0.00000   100%     -    0s
*   12    12              11       3.0000000    0.36842  87.7%  11.2    0s
*   18     9               3       2.0000000    0.87500  56.2%   9.7    0s

Cutting planes:
  Gomory: 8

Explored 31 nodes (548 simplex iterations) in 0.36 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.000000000000e+00, best bound 2.000000000000e+00, gap 0.0%