Gurobi 5.0.1 (linux64) logging started Sun Nov 18 01:11:28 2012 Optimize a model with 153 rows, 362 columns and 362 nonzeros Model has 304 quadratic constraints Presolve time: 1.76s Presolved: 153 rows, 362 columns, 362 nonzeros Variable types: 304 continuous, 58 integer (58 binary) Root relaxation: objective 0.000000e+00, 29 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time H 0 0 79.0000000 - - - 1s 0 0 0.00000 0 53 79.00000 0.00000 100% - 1s 0 0 0.50155 0 56 79.00000 0.50155 99.4% - 1s 0 2 0.54348 0 56 79.00000 0.54348 99.3% - 1s H 32 32 43.0000000 4.08473 90.5% 41.9 1s H 32 32 42.0000000 4.08473 90.3% 41.9 1s * 41 39 24 41.0000000 4.08473 90.0% 35.5 1s * 70 52 18 39.0000000 4.12128 89.4% 37.2 1s H 161 106 36.0000000 8.69231 75.9% 37.3 1s * 346 169 16 35.0000000 14.79070 57.7% 37.0 2s * 567 200 12 34.0000000 19.04762 44.0% 35.9 2s 2142 561 cutoff 38 34.00000 21.04348 38.1% 29.1 5s 8516 1097 33.54000 42 231 34.00000 28.30769 16.7% 18.7 10s * 9622 806 40 33.0000000 29.20000 11.5% 18.4 10s Explored 10680 nodes (191344 simplex iterations) in 11.51 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 3.300000000000e+01, best bound 3.300000000000e+01, gap 0.0%