Gurobi 5.0.1 (linux64) logging started Sun Nov 18 00:04:25 2012 Optimize a model with 146 rows, 339 columns and 339 nonzeros Model has 290 quadratic constraints Presolve time: 1.69s Presolved: 146 rows, 339 columns, 339 nonzeros Variable types: 290 continuous, 49 integer (49 binary) Root relaxation: objective 0.000000e+00, 24 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time H 0 0 77.0000000 - - - 1s 0 0 0.00000 0 29 77.00000 0.00000 100% - 1s 0 0 0.12825 0 48 77.00000 0.12825 100% - 1s 0 2 0.13624 0 48 77.00000 0.13624 100% - 1s H 44 44 44.0000000 4.16667 90.5% 26.6 1s * 49 49 28 43.0000000 4.16667 90.3% 25.1 1s * 85 73 23 38.0000000 4.36842 88.5% 24.4 1s H 472 230 36.0000000 16.38462 54.5% 28.4 2s 3135 820 cutoff 37 36.00000 24.61538 31.6% 22.0 5s Explored 9247 nodes (167264 simplex iterations) in 9.35 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 3.600000000058e+01, best bound 3.600000000058e+01, gap 0.0%