Gurobi 5.0.1 (linux64) logging started Sat Nov 17 21:14:51 2012 Optimize a model with 214 rows, 456 columns and 456 nonzeros Model has 426 quadratic constraints Presolve time: 2.51s Presolved: 214 rows, 456 columns, 456 nonzeros Variable types: 426 continuous, 30 integer (30 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 0 108.0000000 - - - 2s 0 0 0.00000 0 28 108.00000 0.00000 100% - 2s 0 0 0.46429 0 30 108.00000 0.46429 100% - 2s 0 0 0.46429 0 30 108.00000 0.46429 100% - 2s 0 2 0.46429 0 30 108.00000 0.46429 100% - 2s * 42 42 22 94.0000000 8.13571 91.3% 53.8 2s * 50 40 23 92.0000000 8.13571 91.2% 46.2 2s H 188 150 90.0000000 15.00000 83.3% 49.0 2s H 189 148 89.0000000 15.00000 83.1% 48.7 2s * 305 232 21 86.0000000 23.48214 72.7% 51.1 3s 609 368 32.21053 12 266 86.00000 32.21053 62.5% 52.3 5s 3603 1484 72.83333 46 270 86.00000 40.00000 53.5% 36.5 10s 7861 3069 85.82353 43 238 86.00000 49.00000 43.0% 29.7 15s 12197 4144 84.53333 41 218 86.00000 54.00000 37.2% 27.8 20s 16539 4979 84.75000 38 184 86.00000 57.33333 33.3% 27.0 25s 21237 5687 85.41667 46 228 86.00000 60.00000 30.2% 25.9 30s 25800 6143 81.75000 42 226 86.00000 62.50000 27.3% 25.5 35s 30582 6561 84.00000 39 229 86.00000 64.57895 24.9% 25.0 40s 35481 6897 85.30769 43 200 86.00000 66.20000 23.0% 24.5 45s 40394 7079 83.87500 35 240 86.00000 68.00000 20.9% 24.2 50s 41303 7062 cutoff 42 86.00000 68.28571 20.6% 24.2 58s 42774 7093 84.26667 36 214 86.00000 68.77778 20.0% 24.1 60s 47838 7103 85.00000 36 205 86.00000 70.00000 18.6% 23.8 65s 52988 6965 83.92308 41 196 86.00000 71.40000 17.0% 23.5 70s 58461 6763 81.00000 33 235 86.00000 72.72222 15.4% 23.3 75s *63699 5992 36 84.0000000 73.80000 12.1% 23.2 79s 63891 5950 78.41176 37 233 84.00000 73.90909 12.0% 23.2 80s 64064 5907 79.33333 34 245 84.00000 74.00000 11.9% 23.2 86s 64175 5882 80.00000 42 220 84.00000 74.00000 11.9% 23.2 90s 66974 5290 cutoff 41 84.00000 75.00000 10.7% 23.1 95s 71882 3872 80.05882 38 238 84.00000 76.75000 8.63% 22.9 100s 76571 1552 83.00000 39 208 84.00000 79.92308 4.85% 22.5 105s Explored 78451 nodes (1744676 simplex iterations) in 105.98 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 8.400000000053e+01, best bound 8.400000000053e+01, gap 0.0%