Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:38:56 2012

Optimize a model with 61 rows, 153 columns and 153 nonzeros
Model has 120 quadratic constraints
Presolve removed 0 rows and 1 columns
Presolve time: 0.70s
Presolved: 61 rows, 152 columns, 152 nonzeros
Variable types: 120 continuous, 32 integer (31 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                      29.0000000          -     -      -    0s
     0     0    0.00000    0    4   29.00000    0.00000   100%     -    0s
     0     0    0.00000    0   27   29.00000    0.00000   100%     -    0s
     0     0    0.00000    0   27   29.00000    0.00000   100%     -    0s
     0     2    0.00000    0   26   29.00000    0.00000   100%     -    0s
*   17    17              12      14.0000000    5.18750  62.9%  21.9    0s
*   27    16               7      13.0000000    5.20000  60.0%  20.1    0s
*  130     7               6      12.0000000    9.00000  25.0%  16.4    0s

Cutting planes:

Explored 143 nodes (2696 simplex iterations) in 0.77 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.200000000000e+01, best bound 1.200000000000e+01, gap 0.0%