Gurobi 5.0.1 (linux64) logging started Sat Nov 17 22:09:26 2012 Optimize a model with 245 rows, 520 columns and 520 nonzeros Model has 488 quadratic constraints Presolve time: 2.85s Presolved: 245 rows, 520 columns, 520 nonzeros Variable types: 488 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 0 120.0000000 - - - 2s 0 0 0.00000 0 26 120.00000 0.00000 100% - 2s 0 0 0.38462 0 32 120.00000 0.38462 100% - 2s 0 0 0.38462 0 32 120.00000 0.38462 100% - 2s 0 2 0.38462 0 32 120.00000 0.38462 100% - 2s * 46 46 23 103.0000000 9.33333 90.9% 53.0 2s * 49 43 25 102.0000000 9.33333 90.8% 50.0 2s 601 424 94.27273 17 32 102.00000 31.00000 69.6% 50.6 5s 2009 886 101.15385 39 231 102.00000 41.50000 59.3% 47.6 10s * 2154 890 45 101.0000000 42.08696 58.3% 46.4 10s H 4089 1758 97.0000000 48.50000 50.0% 37.8 13s H 4347 1837 96.0000000 49.00000 49.0% 37.1 15s H 4971 2039 95.0000000 50.00000 47.4% 35.9 16s 7001 2684 82.60000 52 308 95.00000 54.00000 43.2% 34.0 20s 8995 3252 92.58824 40 254 95.00000 57.43750 39.5% 33.1 27s 10861 3760 92.21053 42 282 95.00000 60.05944 36.8% 32.1 30s 14270 4504 84.50000 53 262 95.00000 63.21778 33.5% 31.1 35s 17544 5141 93.00000 41 274 95.00000 65.75000 30.8% 30.2 40s 21090 5763 93.35294 37 265 95.00000 67.71778 28.7% 29.3 45s 24763 6302 88.00000 52 289 95.00000 69.50000 26.8% 28.6 50s 28448 6785 cutoff 47 95.00000 71.00000 25.3% 28.2 55s 32145 7196 cutoff 40 95.00000 72.33333 23.9% 27.8 60s 35921 7566 88.91667 51 288 95.00000 73.55000 22.6% 27.4 65s 39700 7895 89.42105 42 275 95.00000 74.76471 21.3% 27.1 70s 40901 7966 cutoff 39 95.00000 75.00000 21.1% 27.0 79s 41584 8012 82.39130 47 295 95.00000 75.25000 20.8% 27.0 80s 41962 8027 90.70588 42 254 95.00000 75.40000 20.6% 27.0 87s 44031 8101 93.21053 45 282 95.00000 76.00000 20.0% 26.8 90s 47954 8215 89.00000 37 272 95.00000 77.00000 18.9% 26.5 95s 51011 8279 85.83275 38 274 95.00000 77.68421 18.2% 26.3 100s 54910 8228 89.21053 36 283 95.00000 78.50000 17.4% 26.1 105s 58868 8180 93.00000 39 275 95.00000 79.21429 16.6% 25.8 110s 62311 8007 88.86667 50 283 95.00000 80.00000 15.8% 25.7 115s 65636 7800 88.09591 50 271 95.00000 80.62500 15.1% 25.6 120s 68980 7555 93.36504 48 274 95.00000 81.23529 14.5% 25.5 125s 72642 7184 88.82353 45 256 95.00000 82.00000 13.7% 25.5 130s 75993 6786 93.69231 42 285 95.00000 82.71429 12.9% 25.5 135s 78885 6355 84.61111 52 321 95.00000 83.25000 12.4% 25.4 140s 82713 5730 88.50000 38 259 95.00000 84.00000 11.6% 25.3 145s 86549 4962 91.15789 36 302 95.00000 85.00000 10.5% 25.3 150s 90640 3918 94.00000 37 255 95.00000 86.31250 9.14% 25.2 155s 94768 2425 cutoff 48 95.00000 88.22222 7.13% 25.0 160s Explored 98858 nodes (2433253 simplex iterations) in 163.50 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 9.500000000061e+01, best bound 9.500000000061e+01, gap 0.0%