Gurobi 5.0.1 (linux64) logging started Sun Nov 18 00:28:25 2012

Optimize a model with 119 rows, 287 columns and 287 nonzeros
Model has 236 quadratic constraints
Presolve time: 1.39s
Presolved: 119 rows, 287 columns, 287 nonzeros
Variable types: 236 continuous, 51 integer (51 binary)

Root relaxation: objective 0.000000e+00, 25 iterations, 0.00 seconds

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

H    0     0                      57.0000000          -     -      -    1s
     0     0    0.00000    0   40   57.00000    0.00000   100%     -    1s
     0     0    0.36921    0   47   57.00000    0.36921  99.4%     -    1s
     0     2    0.38235    0   47   57.00000    0.38235  99.3%     -    1s
*   36    34              23      27.0000000    3.59444  86.7%  22.1    1s
*  166   116              15      25.0000000    5.67375  77.3%  26.6    1s
*  450   183              14      24.0000000   10.47619  56.3%  24.0    1s
* 1248   176              35      23.0000000   16.63158  27.7%  26.1    2s

Explored 1611 nodes (38543 simplex iterations) in 2.97 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.300000000000e+01, best bound 2.300000000000e+01, gap 0.0%