Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:12:15 2012

Optimize a model with 102 rows, 256 columns and 256 nonzeros
Model has 202 quadratic constraints
Presolve removed 0 rows and 1 columns
Presolve time: 1.18s
Presolved: 102 rows, 255 columns, 255 nonzeros
Variable types: 202 continuous, 53 integer (52 binary)

Root relaxation: objective 0.000000e+00, 27 iterations, 0.00 seconds

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

H    0     0                      58.0000000          -     -      -    1s
     0     0    0.00000    0    3   58.00000    0.00000   100%     -    1s
     0     0    0.00000    0   49   58.00000    0.00000   100%     -    1s
     0     0    0.00000    0   48   58.00000    0.00000   100%     -    1s
     0     2    0.00000    0   48   58.00000    0.00000   100%     -    1s
*   20    20              13      16.0000000    3.50000  78.1%  31.9    1s
H   49    27                      15.0000000    4.55556  69.6%  28.0    1s

Cutting planes:

Explored 182 nodes (4797 simplex iterations) in 1.31 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.499999999999e+01, best bound 1.499999999999e+01, gap 0.0%