Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:41:50 2012

Optimize a model with 157 rows, 485 columns and 485 nonzeros
Model has 312 quadratic constraints
Presolve removed 0 rows and 22 columns
Presolve time: 1.82s
Presolved: 157 rows, 463 columns, 463 nonzeros
Variable types: 312 continuous, 151 integer (150 binary)

Root relaxation: objective 0.000000e+00, 57 iterations, 0.00 seconds

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

H    0     0                      81.0000000          -     -      -    1s
     0     0    0.00000    0   76   81.00000    0.00000   100%     -    1s
     0     0    0.00000    0  101   81.00000    0.00000   100%     -    1s
     0     0    0.00000    0   86   81.00000    0.00000   100%     -    1s
     0     2    0.00000    0   86   81.00000    0.00000   100%     -    1s
*   18    18              12       5.0000000    0.93243  81.4%  46.2    1s
*   26    14               5       4.0000000    1.59184  60.2%  42.7    1s

Cutting planes:
  Gomory: 3

Explored 63 nodes (4164 simplex iterations) in 2.02 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%