Gurobi 5.0.1 (linux64) logging started Sun Nov 18 06:16:38 2012 Optimize a model with 230 rows, 669 columns and 669 nonzeros Model has 458 quadratic constraints Presolve removed 0 rows and 19 columns Presolve time: 2.67s Presolved: 230 rows, 650 columns, 650 nonzeros Variable types: 458 continuous, 192 integer (191 binary) Root relaxation: objective 0.000000e+00, 81 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time H 0 0 120.0000000 - - - 2s 0 0 0.00000 0 21 120.00000 0.00000 100% - 2s 0 0 0.00000 0 2 120.00000 0.00000 100% - 2s 0 0 0.00000 0 2 120.00000 0.00000 100% - 2s 0 2 0.00000 0 99 120.00000 0.00000 100% - 2s H 41 41 26.0000000 1.64319 93.7% 35.2 2s H 54 54 25.0000000 1.64319 93.4% 31.7 2s * 65 61 50 24.0000000 1.64319 93.2% 35.0 2s H 123 81 23.0000000 1.67758 92.7% 23.9 2s H 180 64 16.0000000 2.77536 82.7% 20.5 2s * 356 92 11 13.0000000 3.83542 70.5% 21.8 3s * 417 83 12 12.0000000 4.59410 61.7% 22.9 3s 606 113 6.14987 11 395 12.00000 6.14987 48.8% 25.1 5s * 770 120 33 11.0000000 6.14987 44.1% 33.2 5s H 800 92 10.0000000 6.14987 38.5% 33.7 5s Explored 843 nodes (29632 simplex iterations) in 6.01 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%