Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:41:15 2012

Optimize a model with 154 rows, 478 columns and 478 nonzeros
Model has 306 quadratic constraints
Presolve removed 0 rows and 28 columns
Presolve time: 1.79s
Presolved: 154 rows, 450 columns, 450 nonzeros
Variable types: 306 continuous, 144 integer (143 binary)

Root relaxation: objective 0.000000e+00, 55 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   20   80.00000    0.00000   100%     -    1s
     0     0    0.00000    0   55   80.00000    0.00000   100%     -    1s
     0     0    0.00000    0   55   80.00000    0.00000   100%     -    1s
     0     2    0.00000    0   30   80.00000    0.00000   100%     -    1s
*   15    15              12       9.0000000    0.21053  97.7%  71.9    1s
H   87    43                       7.0000000    0.55138  92.1%  21.0    1s
*  334    66               8       6.0000000    2.65217  55.8%  13.8    2s
H  424    76                       6.0000000    3.30710  44.9%  13.2    2s

Explored 975 nodes (16363 simplex iterations) in 2.78 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 5.999999999025e+00, best bound 5.999999999025e+00, gap 0.0%