Gurobi 5.0.1 (linux64) logging started Sat Nov 17 21:43:03 2012 Optimize a model with 233 rows, 495 columns and 495 nonzeros Model has 464 quadratic constraints Presolve time: 2.71s Presolved: 233 rows, 495 columns, 495 nonzeros Variable types: 464 continuous, 31 integer (31 binary) Root relaxation: objective 0.000000e+00, 15 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time H 0 0 120.0000000 - - - 2s 0 0 0.00000 0 30 120.00000 0.00000 100% - 2s 0 0 0.55583 0 31 120.00000 0.55583 100% - 2s 0 2 0.67133 0 31 120.00000 0.67133 99.4% - 2s * 35 35 20 94.0000000 10.13986 89.2% 60.0 2s H 464 292 93.0000000 25.76694 72.3% 42.8 3s 701 397 90.00000 33 31 93.00000 32.42030 65.1% 51.0 5s 4281 1820 68.95652 48 283 93.00000 48.20000 48.2% 30.7 10s 7910 2822 92.04412 53 249 93.00000 54.09091 41.8% 29.5 15s 11845 3812 66.81818 38 265 93.00000 60.33333 35.1% 28.1 20s 15982 4701 cutoff 39 93.00000 64.33333 30.8% 26.8 25s 20252 5379 89.70588 47 256 93.00000 67.16667 27.8% 26.0 30s 24625 6039 80.33333 51 280 93.00000 69.33333 25.4% 25.3 35s 29156 6645 80.84419 38 280 93.00000 71.25000 23.4% 24.7 40s 33736 7065 76.80000 37 252 93.00000 73.15385 21.3% 24.2 45s 38430 7393 83.37500 39 256 93.00000 74.58824 19.8% 23.7 50s 40804 7581 92.03956 53 227 93.00000 75.17647 19.2% 23.5 61s 43757 7784 cutoff 39 93.00000 76.00000 18.3% 23.3 65s H46097 7672 92.0000000 76.62500 16.7% 23.1 67s 46379 7676 90.80786 49 225 92.00000 76.71429 16.6% 23.1 70s 47915 7620 83.05263 38 242 92.00000 77.14286 16.1% 23.0 75s 50838 7419 87.39952 46 259 92.00000 78.00000 15.2% 22.9 80s 55058 7162 cutoff 50 92.00000 79.00000 14.1% 22.7 85s 58934 6718 91.00000 40 238 92.00000 80.00000 13.0% 22.6 90s 63249 6105 88.11420 40 257 92.00000 81.16667 11.8% 22.5 95s 67463 5442 86.28014 47 271 92.00000 82.25901 10.6% 22.3 100s 72065 4318 86.38179 40 267 92.00000 83.99524 8.70% 22.1 105s 77156 2295 cutoff 53 92.00000 86.42857 6.06% 21.8 110s Explored 80140 nodes (1722706 simplex iterations) in 112.57 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 9.200000000058e+01, best bound 9.200000000058e+01, gap 0.0%