Gurobi 5.0.1 (linux64) logging started Sun Nov 18 00:55:03 2012 Optimize a model with 163 rows, 378 columns and 378 nonzeros Model has 324 quadratic constraints Presolve time: 1.89s Presolved: 163 rows, 378 columns, 378 nonzeros Variable types: 324 continuous, 54 integer (54 binary) Root relaxation: objective 0.000000e+00, 27 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time H 0 0 92.0000000 - - - 1s 0 0 0.00000 0 35 92.00000 0.00000 100% - 1s 0 0 0.26954 0 53 92.00000 0.26954 100% - 1s 0 2 0.28571 0 53 92.00000 0.28571 100% - 1s * 41 39 24 43.0000000 3.99863 90.7% 33.9 1s H 374 214 42.0000000 13.83333 67.1% 34.9 2s * 375 208 17 41.0000000 13.83333 66.3% 34.8 2s 1896 631 24.09651 29 234 41.00000 20.81057 49.2% 31.4 5s 7405 2339 32.51111 38 235 41.00000 29.00000 29.3% 21.4 10s * 8099 2320 40 40.0000000 29.31818 26.7% 21.0 10s * 8467 2190 41 39.0000000 29.50000 24.4% 20.9 10s H 9954 1953 38.0000000 30.50000 19.7% 20.4 12s 10518 1901 33.50000 40 215 38.00000 30.89474 18.7% 20.2 15s 12063 1676 34.64976 34 194 38.00000 32.03539 15.7% 19.8 20s Explored 15652 nodes (292759 simplex iterations) in 23.12 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 3.800000000000e+01, best bound 3.800000000000e+01, gap 0.0%