Gurobi 5.0.1 (linux64) logging started Sun Nov 18 06:10:45 2012

Optimize a model with 209 rows, 623 columns and 623 nonzeros
Model has 416 quadratic constraints
Presolve removed 0 rows and 32 columns
Presolve time: 2.43s
Presolved: 209 rows, 591 columns, 591 nonzeros
Variable types: 416 continuous, 175 integer (174 binary)

Root relaxation: objective 0.000000e+00, 73 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   76  106.00000    0.00000   100%     -    2s
     0     0    0.00000    0  140  106.00000    0.00000   100%     -    2s
     0     0    0.00000    0  131  106.00000    0.00000   100%     -    2s
     0     2    0.00000    0  125  106.00000    0.00000   100%     -    2s
H   24    24                      11.0000000    3.06452  72.1%  34.2    2s
*  143    41              16       9.0000000    3.85542  57.2%  18.6    2s

Cutting planes:
  Gomory: 1

Explored 225 nodes (5911 simplex iterations) in 2.76 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 9.000000000000e+00, best bound 9.000000000000e+00, gap 0.0%