Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:59:05 2012 Optimize a model with 196 rows, 584 columns and 584 nonzeros Model has 390 quadratic constraints Presolve removed 0 rows and 25 columns Presolve time: 2.27s Presolved: 196 rows, 559 columns, 559 nonzeros Variable types: 390 continuous, 169 integer (168 binary) Root relaxation: objective 0.000000e+00, 69 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time H 0 0 94.0000000 - - - 2s 0 0 0.00000 0 6 94.00000 0.00000 100% - 2s 0 0 0.00000 0 2 94.00000 0.00000 100% - 2s 0 0 0.00000 0 67 94.00000 0.00000 100% - 2s 0 2 0.00000 0 57 94.00000 0.00000 100% - 2s H 37 37 18.0000000 2.52951 85.9% 28.1 2s * 48 48 35 17.0000000 2.52951 85.1% 24.1 2s H 76 40 11.0000000 2.64847 75.9% 19.3 2s * 471 83 35 10.0000000 8.02376 19.8% 16.0 2s Explored 1565 nodes (30824 simplex iterations) in 4.33 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%