Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:25:55 2012 Optimize a model with 147 rows, 365 columns and 365 nonzeros Model has 292 quadratic constraints Presolve removed 0 rows and 1 columns Presolve time: 1.72s Presolved: 147 rows, 364 columns, 364 nonzeros Variable types: 292 continuous, 72 integer (71 binary) Root relaxation: objective 0.000000e+00, 35 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time H 0 0 77.0000000 - - - 1s 0 0 0.00000 0 2 77.00000 0.00000 100% - 1s 0 0 0.00000 0 70 77.00000 0.00000 100% - 1s 0 0 0.00000 0 70 77.00000 0.00000 100% - 1s H 0 0 74.0000000 0.00000 100% - 1s 0 2 0.00000 0 70 74.00000 0.00000 100% - 1s H 8 8 69.0000000 3.55932 94.8% 77.5 1s * 38 37 20 28.0000000 3.55932 87.3% 50.6 1s H 60 48 27.0000000 3.65574 86.5% 46.5 1s * 118 67 12 24.0000000 7.00000 70.8% 40.0 1s Cutting planes: Explored 775 nodes (25294 simplex iterations) in 2.36 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.400000000000e+01, best bound 2.400000000000e+01, gap 0.0%