Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:36:47 2012

Optimize a model with 145 rows, 366 columns and 366 nonzeros
Model has 288 quadratic constraints
Presolve removed 0 rows and 3 columns
Presolve time: 1.68s
Presolved: 145 rows, 363 columns, 363 nonzeros
Variable types: 288 continuous, 75 integer (74 binary)

Root relaxation: objective 0.000000e+00, 36 iterations, 0.00 seconds

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

H    0     0                      76.0000000          -     -      -    1s
     0     0    0.00000    0   53   76.00000    0.00000   100%     -    1s
     0     0    0.16981    0   72   76.00000    0.16981   100%     -    1s
     0     0    0.16981    0   72   76.00000    0.16981   100%     -    1s
     0     2    0.16981    0   72   76.00000    0.16981   100%     -    1s
*   40    34              24      29.0000000    1.45833  95.0%  35.4    1s
H   64    47                      28.0000000    1.53846  94.5%  32.8    1s
*   65    45              17      27.0000000    1.53846  94.3%  32.7    1s
*  443   186              22      26.0000000   11.84375  54.4%  26.5    2s
*  522   187              16      25.0000000   12.75000  49.0%  26.1    2s
*  845   259              44      23.0000000   13.66667  40.6%  33.2    3s
*  851   241              48      22.0000000   13.66667  37.9%  33.1    3s

Explored 1470 nodes (42220 simplex iterations) in 4.42 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.200000000000e+01, best bound 2.200000000000e+01, gap 0.0%