Gurobi 5.0.1 (linux64) logging started Sat Nov 17 22:20:08 2012 Optimize a model with 255 rows, 540 columns and 540 nonzeros Model has 508 quadratic constraints Presolve time: 2.96s Presolved: 255 rows, 540 columns, 540 nonzeros Variable types: 508 continuous, 32 integer (32 binary) Root relaxation: objective 0.000000e+00, 16 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time H 0 0 138.0000000 - - - 2s 0 0 0.00000 0 28 138.00000 0.00000 100% - 2s 0 0 0.50000 0 32 138.00000 0.50000 100% - 2s 0 0 0.50000 0 32 138.00000 0.50000 100% - 2s 0 2 0.50000 0 32 138.00000 0.50000 100% - 3s * 46 46 25 108.0000000 7.71667 92.9% 66.8 3s H 487 338 106.0000000 30.92593 70.8% 56.4 3s 607 389 31.36765 10 285 106.00000 31.36765 70.4% 58.9 5s 2723 1177 88.46154 49 316 106.00000 42.69231 59.7% 45.1 10s 5920 2543 102.00000 47 267 106.00000 54.00000 49.1% 36.5 15s 9274 3672 93.63158 42 283 106.00000 60.88889 42.6% 33.3 20s 12795 4889 104.65909 43 197 106.00000 65.09091 38.6% 31.3 25s *13547 5072 46 105.0000000 65.75000 37.4% 30.9 25s 13741 5141 102.87500 40 253 105.00000 66.00000 37.1% 30.8 31s 15190 5558 88.57143 44 320 105.00000 67.00000 36.2% 30.2 35s 16581 5916 103.81667 39 258 105.00000 68.25000 35.0% 29.8 40s 20140 6859 75.95455 35 312 105.00000 71.00000 32.4% 28.9 45s 22731 7419 89.39286 40 311 105.00000 72.14706 31.3% 28.5 50s 26009 8154 cutoff 50 105.00000 73.41667 30.1% 27.9 55s *28304 8476 46 103.0000000 74.64286 27.5% 27.6 58s 29676 8706 cutoff 50 103.00000 75.12500 27.1% 27.5 60s 33184 9199 97.93750 64 289 103.00000 76.50000 25.7% 27.3 65s 36855 9674 cutoff 46 103.00000 77.81250 24.5% 27.0 70s 40498 10080 101.26667 40 267 103.00000 79.00000 23.3% 26.8 75s 40808 10123 91.70588 43 284 103.00000 79.00000 23.3% 26.7 86s 43368 10389 99.50000 54 283 103.00000 79.80556 22.5% 26.6 90s *45836 10505 43 102.0000000 80.41250 21.2% 26.4 93s 45838 10505 85.36250 41 300 102.00000 80.41667 21.2% 26.4 95s 48706 10661 cutoff 46 102.00000 81.10000 20.5% 26.3 100s 52436 10905 94.06250 45 278 102.00000 82.00000 19.6% 26.1 105s 55141 11030 98.41176 38 275 102.00000 82.60000 19.0% 26.0 110s 58457 11098 93.66667 41 264 102.00000 83.25000 18.4% 25.9 115s 62170 11189 100.33333 47 297 102.00000 84.00000 17.6% 25.8 120s 65967 11198 95.79167 38 301 102.00000 84.68750 17.0% 25.7 125s 69161 11143 97.55556 41 287 102.00000 85.28947 16.4% 25.7 130s 72687 11074 cutoff 44 102.00000 86.00000 15.7% 25.7 135s 76264 10963 98.44118 41 273 102.00000 86.50000 15.2% 25.7 140s 79860 10809 cutoff 48 102.00000 87.00000 14.7% 25.7 145s 83434 10597 92.93750 36 275 102.00000 87.65000 14.1% 25.6 150s *86701 10032 47 101.0000000 88.16071 12.7% 25.6 154s 86732 10028 98.38235 44 279 101.00000 88.17105 12.7% 25.6 155s 89917 9606 98.93750 43 283 101.00000 88.78571 12.1% 25.6 160s 93547 9023 99.69118 41 262 101.00000 89.44737 11.4% 25.6 165s 96544 8409 95.50000 48 266 101.00000 90.00000 10.9% 25.6 170s 100332 7623 93.63158 41 268 101.00000 90.80000 10.1% 25.5 175s 102680 7042 96.21053 38 314 101.00000 91.25000 9.65% 25.5 180s 106518 5893 99.37500 39 268 101.00000 92.23077 8.68% 25.5 185s 110703 4387 97.77778 46 274 101.00000 93.57143 7.36% 25.4 190s 115091 2160 97.10714 48 284 101.00000 96.00000 4.95% 25.2 195s Explored 117907 nodes (2930965 simplex iterations) in 196.89 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.010000000006e+02, best bound 1.010000000006e+02, gap 0.0%