Gurobi 5.0.1 (linux64) logging started Sun Nov 18 00:04:07 2012 Optimize a model with 119 rows, 285 columns and 285 nonzeros Model has 236 quadratic constraints Presolve time: 1.37s Presolved: 119 rows, 285 columns, 285 nonzeros Variable types: 236 continuous, 49 integer (49 binary) Root relaxation: objective 0.000000e+00, 24 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time H 0 0 63.0000000 - - - 1s 0 0 0.00000 0 46 63.00000 0.00000 100% - 1s 0 0 0.46531 0 47 63.00000 0.46531 99.3% - 1s 0 2 0.53986 0 47 63.00000 0.53986 99.1% - 1s H 8 8 60.0000000 3.45342 94.2% 32.8 1s * 35 35 19 32.0000000 3.45342 89.2% 21.8 1s * 68 55 17 30.0000000 3.50971 88.3% 23.1 1s * 785 333 38 29.0000000 13.86920 52.2% 26.7 2s * 1417 284 36 28.0000000 17.27778 38.3% 23.2 2s Explored 3067 nodes (58733 simplex iterations) in 4.74 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.800000000000e+01, best bound 2.800000000000e+01, gap 0.0%