Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:49:46 2012

Optimize a model with 150 rows, 475 columns and 475 nonzeros
Model has 298 quadratic constraints
Presolve removed 0 rows and 33 columns
Presolve time: 1.74s
Presolved: 150 rows, 442 columns, 442 nonzeros
Variable types: 298 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                      70.0000000          -     -      -    1s
     0     0    0.00000    0    2   70.00000    0.00000   100%     -    1s
     0     0    0.00000    0    4   70.00000    0.00000   100%     -    1s
     0     0    0.00000    0   50   70.00000    0.00000   100%     -    1s
     0     2    0.00000    0   49   70.00000    0.00000   100%     -    1s
*   26    24              20       6.0000000    0.22222  96.3%  41.1    1s
H   37    27                       6.0000000    0.32432  94.6%  37.5    1s
*   37    21               9       5.0000000    0.32432  93.5%  37.5    1s
H   69    19                       4.0000000    0.88608  77.8%  32.5    1s

Cutting planes:

Explored 270 nodes (5673 simplex iterations) in 1.96 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.999999998922e+00, best bound 3.999999998922e+00, gap 0.0%