Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:28:40 2012

Optimize a model with 125 rows, 404 columns and 404 nonzeros
Model has 248 quadratic constraints
Presolve removed 0 rows and 29 columns
Presolve time: 1.45s
Presolved: 125 rows, 375 columns, 375 nonzeros
Variable types: 248 continuous, 127 integer (126 binary)

Root relaxation: objective 0.000000e+00, 45 iterations, 0.00 seconds

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

H    0     0                      55.0000000          -     -      -    1s
     0     0    0.00000    0    3   55.00000    0.00000   100%     -    1s
     0     0    0.00000    0    6   55.00000    0.00000   100%     -    1s
     0     0    0.00000    0   17   55.00000    0.00000   100%     -    1s
     0     2    0.00000    0   33   55.00000    0.00000   100%     -    1s
*   20    19              16       3.0000000    0.00000   100%  39.0    1s
*  144    25               7       2.0000000    0.69863  65.1%  13.3    1s

Cutting planes:

Explored 284 nodes (3244 simplex iterations) in 1.56 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%