Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:51:57 2012

Optimize a model with 117 rows, 279 columns and 279 nonzeros
Model has 232 quadratic constraints
Presolve time: 1.35s
Presolved: 117 rows, 279 columns, 279 nonzeros
Variable types: 232 continuous, 47 integer (47 binary)

Root relaxation: objective 0.000000e+00, 23 iterations, 0.00 seconds

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

H    0     0                      63.0000000          -     -      -    1s
     0     0    0.00000    0   43   63.00000    0.00000   100%     -    1s
     0     0    0.30813    0   46   63.00000    0.30813   100%     -    1s
     0     2    0.32520    0   46   63.00000    0.32520  99.5%     -    1s
H   24    24                      28.0000000    4.10714  85.3%  33.1    1s
*  162    95              17      27.0000000   11.48000  57.5%  29.0    1s
*  288   116              12      26.0000000   14.18750  45.4%  27.1    1s
*  873    21              15      24.0000000   23.20000  3.33%  25.1    1s

Cutting planes:
  Gomory: 1

Explored 895 nodes (22629 simplex iterations) in 1.90 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.400000000000e+01, best bound 2.400000000000e+01, gap 0.0%