Gurobi 5.0.1 (linux64) logging started Sun Nov 18 06:05:33 2012 Optimize a model with 210 rows, 620 columns and 620 nonzeros Model has 418 quadratic constraints Presolve removed 0 rows and 21 columns Presolve time: 2.44s Presolved: 210 rows, 599 columns, 599 nonzeros Variable types: 418 continuous, 181 integer (180 binary) Root relaxation: objective 0.000000e+00, 75 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time H 0 0 104.0000000 - - - 2s 0 0 0.00000 0 18 104.00000 0.00000 100% - 2s 0 0 0.00000 0 3 104.00000 0.00000 100% - 2s 0 0 0.00000 0 87 104.00000 0.00000 100% - 2s 0 2 0.00000 0 78 104.00000 0.00000 100% - 2s * 38 38 28 16.0000000 1.00000 93.8% 35.3 2s H 139 88 15.0000000 3.09615 79.4% 19.4 2s * 150 83 31 14.0000000 3.09615 77.9% 20.4 2s * 722 311 29 13.0000000 6.60909 49.2% 27.2 4s * 860 254 22 11.0000000 6.60909 39.9% 28.0 4s 934 224 10.36242 17 503 11.00000 7.66667 30.3% 28.9 5s Explored 1145 nodes (35932 simplex iterations) in 5.33 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.100000000000e+01, best bound 1.100000000000e+01, gap 0.0%