Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:35:45 2012

Optimize a model with 143 rows, 449 columns and 449 nonzeros
Model has 284 quadratic constraints
Presolve removed 0 rows and 30 columns
Presolve time: 1.66s
Presolved: 143 rows, 419 columns, 419 nonzeros
Variable types: 284 continuous, 135 integer (134 binary)

Root relaxation: objective 0.000000e+00, 51 iterations, 0.00 seconds

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

H    0     0                      71.0000000          -     -      -    1s
     0     0    0.00000    0   87   71.00000    0.00000   100%     -    1s
     0     0    0.00000    0  113   71.00000    0.00000   100%     -    1s
     0     0    0.00000    0  113   71.00000    0.00000   100%     -    1s
     0     2    0.00000    0   94   71.00000    0.00000   100%     -    1s
*   20    20              13       5.0000000    1.55319  68.9%  35.8    1s
*   37    15               7       4.0000000    2.20000  45.0%  31.6    1s

Cutting planes:
  Gomory: 2

Explored 67 nodes (2774 simplex iterations) in 1.81 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 4.000000000000e+00, best bound 4.000000000000e+00, gap 0.0%