Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:50:01 2012

Optimize a model with 162 rows, 500 columns and 500 nonzeros
Model has 322 quadratic constraints
Presolve removed 0 rows and 27 columns
Presolve time: 1.88s
Presolved: 162 rows, 473 columns, 473 nonzeros
Variable types: 322 continuous, 151 integer (150 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                      93.0000000          -     -      -    1s
     0     0    0.00000    0    2   93.00000    0.00000   100%     -    1s
     0     0    0.00000    0    3   93.00000    0.00000   100%     -    1s
     0     0    0.00000    0    3   93.00000    0.00000   100%     -    1s
     0     2    0.00000    0   81   93.00000    0.00000   100%     -    1s
H   27    27                      15.0000000    0.62921  95.8%  42.9    1s
*   32    25              22       6.0000000    0.62921  89.5%  37.8    1s
H   39    25                       6.0000000    0.66667  88.9%  38.8    2s
*   39    11               5       4.0000000    0.66667  83.3%  39.0    2s

Cutting planes:

Explored 179 nodes (3808 simplex iterations) in 2.06 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%