Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:51:37 2012

Optimize a model with 165 rows, 509 columns and 509 nonzeros
Model has 328 quadratic constraints
Presolve removed 0 rows and 22 columns
Presolve time: 1.91s
Presolved: 165 rows, 487 columns, 487 nonzeros
Variable types: 328 continuous, 159 integer (158 binary)

Root relaxation: objective 0.000000e+00, 59 iterations, 0.00 seconds

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

H    0     0                      80.0000000          -     -      -    1s
     0     0    0.00000    0    5   80.00000    0.00000   100%     -    1s
     0     0    0.00000    0   53   80.00000    0.00000   100%     -    1s
     0     0    0.00000    0   25   80.00000    0.00000   100%     -    1s
     0     2    0.00000    0   25   80.00000    0.00000   100%     -    1s
*   17    17              11       7.0000000    0.96552  86.2%  55.7    1s
*   43    18              10       5.0000000    1.00000  80.0%  28.4    2s
H   54    17                       4.0000000    1.02326  74.4%  27.1    2s
H   78    31                       4.0000000    1.02326  74.4%  20.3    2s

Cutting planes:

Explored 246 nodes (4282 simplex iterations) in 2.09 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.999999998785e+00, best bound 3.999999998785e+00, gap 0.0%