Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:38:53 2012

Optimize a model with 57 rows, 144 columns and 144 nonzeros
Model has 112 quadratic constraints
Presolve removed 0 rows and 1 columns
Presolve time: 0.65s
Presolved: 57 rows, 143 columns, 143 nonzeros
Variable types: 112 continuous, 31 integer (30 binary)

Root relaxation: objective 0.000000e+00, 16 iterations, 0.00 seconds

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

H    0     0                      28.0000000          -     -      -    0s
     0     0    0.00000    0    8   28.00000    0.00000   100%     -    0s
     0     0    0.00000    0   28   28.00000    0.00000   100%     -    0s
     0     0    0.00000    0   28   28.00000    0.00000   100%     -    0s
     0     2    0.00000    0   28   28.00000    0.00000   100%     -    0s
*   20    20              11      13.0000000    3.47059  73.3%  25.2    0s
*   30    20               6      11.0000000    3.50000  68.2%  21.7    0s
*  132    11               6      10.0000000    8.00000  20.0%  14.1    0s

Cutting planes:

Explored 146 nodes (2346 simplex iterations) in 0.71 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.000000000000e+01, best bound 1.000000000000e+01, gap 0.0%