Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:36:56 2012

Optimize a model with 142 rows, 450 columns and 450 nonzeros
Model has 282 quadratic constraints
Presolve removed 0 rows and 28 columns
Presolve time: 1.65s
Presolved: 142 rows, 422 columns, 422 nonzeros
Variable types: 282 continuous, 140 integer (139 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                      72.0000000          -     -      -    1s
     0     0    0.00000    0   47   72.00000    0.00000   100%     -    1s
     0     0    0.00000    0   82   72.00000    0.00000   100%     -    1s
     0     0    0.00000    0   82   72.00000    0.00000   100%     -    1s
     0     2    0.00000    0   82   72.00000    0.00000   100%     -    1s
H   42    38                       6.0000000    0.59028  90.2%  20.7    1s
*   45    33              34       5.0000000    0.59028  88.2%  21.5    1s
H   90    62                       5.0000000    0.71875  85.6%  16.1    1s
H  308    68                       4.0000000    1.79246  55.2%  11.9    1s
*  362    28               7       3.0000000    2.28302  23.9%  13.0    1s

Cutting planes:

Explored 393 nodes (6181 simplex iterations) in 1.90 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.000000000000e+00, best bound 3.000000000000e+00, gap 0.0%