Gurobi 5.0.1 (linux64) logging started Sat Nov 17 20:13:03 2012
Optimize a model with 172 rows, 369 columns and 369 nonzeros
Model has 342 quadratic constraints
Presolve time: 1.98s
Presolved: 172 rows, 369 columns, 369 nonzeros
Variable types: 342 continuous, 27 integer (27 binary)
Root relaxation: objective 0.000000e+00, 13 iterations, 0.00 seconds
Nodes | Current Node | Objective Bounds | Work
Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time
H 0 0 89.0000000 - - - 1s
0 0 0.00000 0 22 89.00000 0.00000 100% - 1s
0 0 0.38384 0 27 89.00000 0.38384 100% - 1s
0 0 0.38384 0 27 89.00000 0.38384 100% - 2s
0 2 0.38384 0 27 89.00000 0.38384 100% - 2s
* 39 39 20 84.0000000 6.72727 92.0% 37.3 2s
* 40 38 20 83.0000000 6.72727 91.9% 36.4 2s
* 43 35 19 82.0000000 6.72727 91.8% 34.5 2s
H 54 42 81.0000000 6.80519 91.6% 36.2 2s
H 72 56 74.0000000 6.80519 90.8% 37.2 2s
H 157 116 72.0000000 9.90909 86.2% 36.5 2s
* 159 109 20 68.0000000 9.90909 85.4% 36.1 2s
2072 777 cutoff 43 68.00000 32.70959 51.9% 30.9 5s
* 6911 2024 47 67.0000000 46.00000 31.3% 23.2 9s
7931 2097 56.50000 44 199 67.00000 47.57143 29.0% 22.9 10s
10574 2144 58.64367 40 192 67.00000 51.25000 23.5% 22.3 15s
15699 1748 60.38889 40 220 67.00000 56.35294 15.9% 21.3 20s
H17750 1289 66.0000000 58.51974 11.3% 21.0 21s
Explored 19827 nodes (404036 simplex iterations) in 23.07 seconds
Thread count was 1 (of 16 available processors)
Optimal solution found (tolerance 1.00e-04)
Best objective 6.600000000000e+01, best bound 6.600000000000e+01, gap 0.0%