Gurobi 5.0.1 (linux64) logging started Sun Nov 18 01:57:33 2012 Optimize a model with 205 rows, 470 columns and 470 nonzeros Model has 408 quadratic constraints Presolve time: 2.38s Presolved: 205 rows, 470 columns, 470 nonzeros Variable types: 408 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 95.0000000 - - - 2s 0 0 0.00000 0 18 95.00000 0.00000 100% - 2s 0 0 0.00000 0 30 95.00000 0.00000 100% - 2s 0 0 0.00000 0 60 95.00000 0.00000 100% - 2s 0 2 0.00000 0 60 95.00000 0.00000 100% - 2s H 27 27 83.0000000 5.29966 93.6% 50.3 2s H 54 54 78.0000000 5.29966 93.2% 38.9 2s * 64 64 34 63.0000000 5.29966 91.6% 35.1 2s H 115 99 62.0000000 5.31429 91.4% 36.6 2s H 168 134 57.0000000 7.27273 87.2% 35.6 2s H 307 237 55.0000000 12.47368 77.3% 41.8 2s 848 493 27.11765 27 280 55.00000 15.86111 71.2% 50.6 5s * 3168 1549 48 54.0000000 25.94444 52.0% 30.2 8s 4667 2313 45.87500 30 277 54.00000 29.14634 46.0% 27.0 10s 5867 2900 49.50000 36 267 54.00000 30.54545 43.4% 25.7 15s 7883 3730 37.00000 28 273 54.00000 32.50000 39.8% 24.0 20s *10624 4663 55 53.0000000 34.04444 35.8% 22.8 24s 10635 4670 46.87500 37 246 53.00000 34.05882 35.7% 22.8 25s 14120 5633 cutoff 38 53.00000 36.03333 32.0% 22.0 30s H18164 6139 51.0000000 37.55319 26.4% 21.2 35s 21621 6459 45.40426 31 255 51.00000 38.82609 23.9% 20.7 40s 24918 6652 48.87500 30 270 51.00000 39.89474 21.8% 20.3 45s 27920 6777 43.25000 33 255 51.00000 40.75000 20.1% 20.1 50s 30748 6850 47.72917 33 275 51.00000 41.42857 18.8% 19.8 55s 34718 6805 cutoff 32 51.00000 42.36364 16.9% 19.4 60s 39091 6459 49.31818 33 269 51.00000 43.45455 14.8% 19.3 65s 43606 5834 cutoff 34 51.00000 44.50000 12.7% 19.1 70s 48020 4681 cutoff 40 51.00000 45.62500 10.5% 19.0 75s 52445 2213 cutoff 34 51.00000 47.29545 7.26% 19.1 80s Explored 55241 nodes (1036419 simplex iterations) in 82.79 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 5.100000000005e+01, best bound 5.100000000005e+01, gap 0.0%