Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:57:20 2012

Optimize a model with 212 rows, 613 columns and 613 nonzeros
Model has 422 quadratic constraints
Presolve removed 0 rows and 21 columns
Presolve time: 2.46s
Presolved: 212 rows, 592 columns, 592 nonzeros
Variable types: 422 continuous, 170 integer (169 binary)

Root relaxation: objective 0.000000e+00, 75 iterations, 0.00 seconds

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

H    0     0                     106.0000000          -     -      -    2s
     0     0    0.00000    0  112  106.00000    0.00000   100%     -    2s
     0     0    0.01963    0  152  106.00000    0.01963   100%     -    2s
     0     2    0.04580    0  152  106.00000    0.04580   100%     -    2s
H   38    37                      15.0000000    0.99301  93.4%  30.3    2s
H   80    59                      13.0000000    1.11111  91.5%  22.7    2s
*   80    57              32      12.0000000    1.11111  90.7%  22.9    2s

Cutting planes:
  Gomory: 6

Explored 627 nodes (18846 simplex iterations) in 3.13 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%