Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:42:23 2012 Optimize a model with 182 rows, 536 columns and 536 nonzeros Model has 362 quadratic constraints Presolve removed 0 rows and 23 columns Presolve time: 2.11s Presolved: 182 rows, 513 columns, 513 nonzeros Variable types: 362 continuous, 151 integer (150 binary) Root relaxation: objective 0.000000e+00, 65 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time H 0 0 89.0000000 - - - 2s 0 0 0.00000 0 2 89.00000 0.00000 100% - 2s 0 0 0.00000 0 93 89.00000 0.00000 100% - 2s 0 0 0.00000 0 65 89.00000 0.00000 100% - 2s 0 2 0.00000 0 65 89.00000 0.00000 100% - 2s H 27 27 20.0000000 1.69231 91.5% 45.1 2s * 37 32 31 14.0000000 1.69231 87.9% 37.0 2s H 69 49 12.0000000 3.06977 74.4% 31.6 2s * 491 165 14 11.0000000 5.90287 46.3% 15.3 2s * 785 184 34 10.0000000 6.05747 39.4% 25.2 3s Explored 885 nodes (23690 simplex iterations) in 3.62 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.000000000000e+01, best bound 1.000000000000e+01, gap 0.0%