Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:44:56 2012

Optimize a model with 96 rows, 235 columns and 235 nonzeros
Model has 190 quadratic constraints
Presolve time: 1.11s
Presolved: 96 rows, 235 columns, 235 nonzeros
Variable types: 190 continuous, 45 integer (45 binary)

Root relaxation: objective 0.000000e+00, 22 iterations, 0.00 seconds

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

H    0     0                      49.0000000          -     -      -    1s
     0     0    0.00000    0    5   49.00000    0.00000   100%     -    1s
     0     0    0.00000    0   45   49.00000    0.00000   100%     -    1s
     0     0    0.00000    0   44   49.00000    0.00000   100%     -    1s
     0     2    0.00000    0   44   49.00000    0.00000   100%     -    1s
H    8     8                      45.0000000    4.00000  91.1%  47.2    1s
*   32    32              18      21.0000000    4.00000  81.0%  28.1    1s
H   54    42                      20.0000000    4.00000  80.0%  27.8    1s
*   79    48              11      19.0000000    6.73333  64.6%  25.0    1s

Cutting planes:

Explored 532 nodes (11452 simplex iterations) in 1.37 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.900000000000e+01, best bound 1.900000000000e+01, gap 0.0%