Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:44:12 2012

Optimize a model with 169 rows, 512 columns and 512 nonzeros
Model has 336 quadratic constraints
Presolve removed 0 rows and 20 columns
Presolve time: 1.96s
Presolved: 169 rows, 492 columns, 492 nonzeros
Variable types: 336 continuous, 156 integer (155 binary)

Root relaxation: objective 0.000000e+00, 61 iterations, 0.00 seconds

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

H    0     0                      86.0000000          -     -      -    1s
     0     0    0.00000    0   66   86.00000    0.00000   100%     -    1s
     0     0    0.00000    0   85   86.00000    0.00000   100%     -    1s
     0     0    0.00000    0   68   86.00000    0.00000   100%     -    2s
     0     2    0.00000    0   61   86.00000    0.00000   100%     -    2s
*   28    28              21      11.0000000    1.13636  89.7%  36.1    2s
H   81    40                       6.0000000    1.35294  77.5%  20.5    2s
*  113    26              13       5.0000000    1.37143  72.6%  17.5    2s
H  159    26                       5.0000000    2.39535  52.1%  15.4    2s

Cutting planes:

Explored 345 nodes (5850 simplex iterations) in 2.21 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 4.999999998819e+00, best bound 4.999999998819e+00, gap 0.0%