Gurobi 5.0.1 (linux64) logging started Sat Nov 17 21:53:32 2012 Optimize a model with 244 rows, 517 columns and 517 nonzeros Model has 486 quadratic constraints Presolve time: 2.84s Presolved: 244 rows, 517 columns, 517 nonzeros Variable types: 486 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 0 132.0000000 - - - 2s 0 0 0.00000 0 29 132.00000 0.00000 100% - 2s 0 0 0.45455 0 30 132.00000 0.45455 100% - 2s 0 2 0.45779 0 30 132.00000 0.45779 100% - 2s H 27 27 124.0000000 12.63636 89.8% 72.4 2s H 32 32 117.0000000 12.63636 89.2% 69.7 2s * 43 43 22 104.0000000 12.63636 87.8% 63.0 2s H 270 220 103.0000000 20.41176 80.2% 49.6 3s * 327 265 21 101.0000000 20.60606 79.6% 49.6 3s 622 399 64.00000 18 230 101.00000 33.08403 67.2% 51.3 5s * 2914 1263 50 100.0000000 42.29608 57.7% 38.8 9s 3301 1415 99.00000 37 233 100.00000 44.00000 56.0% 37.6 10s 5011 1995 82.40000 34 298 100.00000 50.86810 49.1% 34.5 15s H 5038 1984 99.0000000 51.00000 48.5% 34.5 15s H 5065 1949 97.0000000 51.00000 47.4% 34.6 16s 6905 2464 74.83030 30 299 97.00000 55.49505 42.8% 33.6 20s 8868 2937 95.82353 43 247 97.00000 58.57895 39.6% 32.6 25s 11122 3350 93.00000 37 275 97.00000 63.00000 35.1% 31.8 30s 14566 3871 83.00000 39 271 97.00000 66.26159 31.7% 30.8 35s 17454 4200 94.41974 37 259 97.00000 68.94118 28.9% 30.2 40s 20521 4500 80.00000 38 280 97.00000 71.00000 26.8% 29.8 45s 23581 4730 93.08554 43 254 97.00000 73.00000 24.7% 29.4 51s 25808 4899 95.39232 35 274 97.00000 74.23077 23.5% 29.0 55s 29440 4981 93.44444 35 287 97.00000 76.00000 21.6% 28.6 60s 33137 4983 cutoff 45 97.00000 77.60000 20.0% 28.3 65s 36953 4899 cutoff 37 97.00000 79.05263 18.5% 27.9 70s 40619 4746 94.21477 37 266 97.00000 80.50000 17.0% 27.6 77s 42150 4643 cutoff 35 97.00000 81.00000 16.5% 27.5 80s 46193 4389 86.50000 37 251 97.00000 82.28571 15.2% 27.2 85s 50098 3985 93.71429 45 233 97.00000 83.76243 13.6% 26.9 90s 53990 3441 cutoff 44 97.00000 85.33333 12.0% 26.7 95s 58372 2536 95.36891 40 261 97.00000 87.69231 9.60% 26.3 100s 63510 184 cutoff 44 97.00000 94.50000 2.58% 25.7 105s Explored 63727 nodes (1636482 simplex iterations) in 105.11 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 9.700000000060e+01, best bound 9.700000000060e+01, gap 0.0%