Gurobi 5.0.1 (linux64) logging started Sat Nov 17 22:23:25 2012 Optimize a model with 248 rows, 526 columns and 526 nonzeros Model has 494 quadratic constraints Presolve time: 2.88s Presolved: 248 rows, 526 columns, 526 nonzeros Variable types: 494 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 0 129.0000000 - - - 2s 0 0 0.00000 0 32 129.00000 0.00000 100% - 2s 0 0 0.50000 0 32 129.00000 0.50000 100% - 2s 0 2 0.50647 0 32 129.00000 0.50647 100% - 2s * 42 42 23 115.0000000 7.25000 93.7% 60.2 3s * 44 40 23 114.0000000 7.25000 93.6% 57.7 3s * 82 71 25 109.0000000 7.28571 93.3% 53.1 3s H 120 96 104.0000000 11.87109 88.6% 50.2 3s 606 411 28.22250 14 485 104.00000 28.22250 72.9% 51.9 5s 2637 1214 100.20000 43 258 104.00000 35.25000 66.1% 43.1 10s * 5747 2689 51 103.0000000 46.54545 54.8% 35.5 14s 5899 2727 57.23077 44 325 103.00000 47.00000 54.4% 35.3 15s H 6687 3045 102.0000000 48.40000 52.5% 34.6 16s 7820 3477 75.05263 52 287 102.00000 51.35294 49.7% 33.7 20s H 7874 3467 101.0000000 51.50000 49.0% 33.6 21s 8849 3813 95.35714 62 298 101.00000 53.33333 47.2% 33.1 25s 12126 4727 79.52174 60 310 101.00000 58.66667 41.9% 31.6 30s H13125 4816 98.0000000 60.00000 38.8% 31.3 32s 14593 5090 cutoff 40 98.00000 61.57143 37.2% 31.1 35s 16389 5528 93.00000 38 267 98.00000 63.43750 35.3% 30.8 40s 19736 6150 79.90476 52 291 98.00000 66.14286 32.5% 30.1 45s 23123 6738 95.50000 42 241 98.00000 68.00000 30.6% 29.6 50s 26139 7241 cutoff 40 98.00000 69.50000 29.1% 29.4 55s 29091 7567 93.00000 44 272 98.00000 71.03125 27.5% 29.2 60s 31892 7825 85.00000 55 287 98.00000 72.06667 26.5% 29.0 65s 35331 8137 91.26667 42 283 98.00000 73.11765 25.4% 28.8 70s 38219 8345 89.70000 41 290 98.00000 74.00000 24.5% 28.6 75s 41256 8514 89.88235 44 279 98.00000 75.00000 23.5% 28.5 80s 41407 8519 cutoff 38 98.00000 75.07143 23.4% 28.5 86s 43599 8569 87.94737 37 300 98.00000 75.85000 22.6% 28.4 90s 47057 8626 90.05263 53 288 98.00000 76.94737 21.5% 28.4 95s 50515 8613 94.44444 45 265 98.00000 77.84615 20.6% 28.3 100s 53961 8554 93.73684 38 308 98.00000 78.80000 19.6% 28.3 105s 56701 8445 84.84615 50 293 98.00000 79.40000 19.0% 28.2 110s 60252 8283 93.00000 38 294 98.00000 80.16667 18.2% 28.1 115s 63681 8073 cutoff 44 98.00000 81.00000 17.3% 28.0 120s 67156 7798 cutoff 58 98.00000 82.00000 16.3% 28.0 125s 70413 7553 89.26316 43 263 98.00000 82.72222 15.6% 28.0 130s 73747 7198 cutoff 41 98.00000 83.58824 14.7% 28.0 135s 77126 6756 87.05263 39 278 98.00000 84.42857 13.8% 27.9 140s 79997 6309 89.78947 39 301 98.00000 85.10000 13.2% 27.9 145s 82902 5855 cutoff 40 98.00000 85.85714 12.4% 27.8 150s 86325 5223 94.50000 54 259 98.00000 86.78222 11.4% 27.8 155s 89835 4364 97.00000 78 270 98.00000 88.00000 10.2% 27.7 160s 93596 3277 cutoff 41 98.00000 89.40000 8.78% 27.6 165s 97893 1180 96.26667 39 261 98.00000 93.00000 5.10% 27.3 170s Explored 99459 nodes (2693673 simplex iterations) in 171.11 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 9.800000000062e+01, best bound 9.800000000062e+01, gap 0.0%