Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:41:10 2012

Optimize a model with 138 rows, 446 columns and 446 nonzeros
Model has 274 quadratic constraints
Presolve removed 0 rows and 34 columns
Presolve time: 1.60s
Presolved: 138 rows, 412 columns, 412 nonzeros
Variable types: 274 continuous, 138 integer (137 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                      70.0000000          -     -      -    1s
     0     0    0.00000    0    2   70.00000    0.00000   100%     -    1s
     0     0    0.00000    0   55   70.00000    0.00000   100%     -    1s
     0     0    0.00000    0   89   70.00000    0.00000   100%     -    1s
H    0     0                       7.0000000    0.00000   100%     -    1s
H    0     0                       3.0000000    0.00000   100%     -    1s
     0     2    0.00000    0   89    3.00000    0.00000   100%     -    1s
*   21    13              15       2.0000000    0.25000  87.5%  30.0    1s

Cutting planes:

Explored 69 nodes (2234 simplex iterations) in 1.68 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%