Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:37:11 2012

Optimize a model with 147 rows, 460 columns and 460 nonzeros
Model has 292 quadratic constraints
Presolve removed 0 rows and 27 columns
Presolve time: 1.70s
Presolved: 147 rows, 433 columns, 433 nonzeros
Variable types: 292 continuous, 141 integer (140 binary)

Root relaxation: objective 0.000000e+00, 53 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    3   72.00000    0.00000   100%     -    1s
     0     0    0.00000    0    3   72.00000    0.00000   100%     -    1s
     0     0    0.00000    0   19   72.00000    0.00000   100%     -    1s
     0     2    0.00000    0   18   72.00000    0.00000   100%     -    1s
*   18    16              15       3.0000000    0.26316  91.2%  35.2    1s
H   66    12                       3.0000000    1.45455  51.5%  20.7    1s
*   67     9              14       2.0000000    1.45455  27.3%  20.6    1s

Cutting planes:

Explored 91 nodes (2280 simplex iterations) in 1.80 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.000000000000e+00, best bound 2.000000000000e+00, gap 0.0%