Gurobi 5.0.1 (linux64) logging started Sun Nov 18 00:46:35 2012 Optimize a model with 152 rows, 354 columns and 354 nonzeros Model has 302 quadratic constraints Presolve time: 1.76s Presolved: 152 rows, 354 columns, 354 nonzeros Variable types: 302 continuous, 52 integer (52 binary) Root relaxation: objective 0.000000e+00, 26 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time H 0 0 81.0000000 - - - 1s 0 0 0.00000 0 30 81.00000 0.00000 100% - 1s 0 0 0.10323 0 50 81.00000 0.10323 100% - 1s 0 2 0.12308 0 50 81.00000 0.12308 100% - 1s * 43 43 23 42.0000000 3.00000 92.9% 35.1 1s * 72 53 17 33.0000000 3.12000 90.5% 35.9 1s 2772 88 32.27027 35 197 33.00000 29.36000 11.0% 26.5 5s Explored 2931 nodes (76071 simplex iterations) in 5.09 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%