Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:46:55 2012

Optimize a model with 155 rows, 389 columns and 389 nonzeros
Model has 308 quadratic constraints
Presolve removed 0 rows and 1 columns
Presolve time: 1.80s
Presolved: 155 rows, 388 columns, 388 nonzeros
Variable types: 308 continuous, 80 integer (79 binary)

Root relaxation: objective 0.000000e+00, 40 iterations, 0.00 seconds

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

H    0     0                      87.0000000          -     -      -    1s
     0     0    0.00000    0   60   87.00000    0.00000   100%     -    1s
     0     0    0.38959    0   76   87.00000    0.38959   100%     -    1s
     0     2    0.40393    0   76   87.00000    0.40393   100%     -    1s
H   41    41                      29.0000000    3.04000  89.5%  33.1    1s
*   91    69              33      28.0000000    4.50000  83.9%  26.1    1s
*  112    63              13      25.0000000    5.26038  79.0%  27.5    1s
  2470   326   23.55556   33  213   25.00000   18.86667  24.5%  26.3    5s

Explored 4138 nodes (95380 simplex iterations) in 6.39 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.500000000000e+01, best bound 2.500000000000e+01, gap 0.0%