Gurobi 5.0.1 (linux64) logging started Sun Nov 18 04:06:10 2012 Optimize a model with 190 rows, 462 columns and 462 nonzeros Model has 378 quadratic constraints Presolve time: 2.21s Presolved: 190 rows, 462 columns, 462 nonzeros Variable types: 378 continuous, 84 integer (84 binary) Root relaxation: objective 0.000000e+00, 42 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time H 0 0 104.0000000 - - - 2s 0 0 0.00000 0 30 104.00000 0.00000 100% - 2s 0 0 0.00000 0 46 104.00000 0.00000 100% - 2s 0 0 0.00000 0 46 104.00000 0.00000 100% - 2s 0 2 0.00000 0 46 104.00000 0.00000 100% - 2s H 43 43 50.0000000 3.58333 92.8% 37.1 2s * 47 47 35 49.0000000 3.58333 92.7% 36.1 2s * 48 46 35 48.0000000 3.58333 92.5% 35.6 2s H 89 79 47.0000000 3.59494 92.4% 30.0 2s H 189 151 45.0000000 7.00000 84.4% 34.9 2s * 191 151 27 44.0000000 7.00000 84.1% 34.6 2s * 236 166 25 41.0000000 7.41333 81.9% 33.2 2s 1223 647 22.94595 33 279 41.00000 15.00000 63.4% 37.4 5s * 1669 725 47 40.0000000 17.71429 55.7% 33.1 5s * 1673 605 47 37.0000000 17.71429 52.1% 33.0 5s H 2269 772 36.0000000 19.25000 46.5% 29.5 6s 3964 1342 28.46875 43 271 36.00000 22.11111 38.6% 25.2 10s 6361 1840 27.04110 32 298 36.00000 24.46667 32.0% 22.8 15s 9495 2258 cutoff 41 36.00000 26.30769 26.9% 21.4 20s *11644 2279 44 35.0000000 27.42857 21.6% 20.8 23s 12497 2253 32.00000 38 269 35.00000 27.88889 20.3% 20.6 25s 16177 1734 30.50000 43 287 35.00000 30.00000 14.3% 20.3 30s 19077 361 cutoff 41 35.00000 32.33333 7.62% 20.1 35s Explored 19539 nodes (390495 simplex iterations) in 35.34 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 3.500000000000e+01, best bound 3.500000000000e+01, gap 0.0%