Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:19:37 2012

Optimize a model with 113 rows, 286 columns and 286 nonzeros
Model has 224 quadratic constraints
Presolve time: 1.31s
Presolved: 113 rows, 286 columns, 286 nonzeros
Variable types: 224 continuous, 62 integer (62 binary)

Root relaxation: objective 0.000000e+00, 31 iterations, 0.00 seconds

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

H    0     0                      59.0000000          -     -      -    1s
     0     0    0.00000    0   40   59.00000    0.00000   100%     -    1s
     0     0    0.00689    0   51   59.00000    0.00689   100%     -    1s
     0     2    0.05025    0   51   59.00000    0.05025   100%     -    1s
*   30    30              16      25.0000000    4.14286  83.4%  33.9    1s
H   56    41                      20.0000000    5.00000  75.0%  27.5    1s
*  108    72              16      19.0000000    5.75556  69.7%  23.6    1s
*  865   204              45      18.0000000   11.50000  36.1%  28.4    2s

Explored 1541 nodes (38676 simplex iterations) in 2.88 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.800000000000e+01, best bound 1.800000000000e+01, gap 0.0%