Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:30:53 2012 Optimize a model with 143 rows, 360 columns and 360 nonzeros Model has 284 quadratic constraints Presolve time: 1.65s Presolved: 143 rows, 360 columns, 360 nonzeros Variable types: 284 continuous, 76 integer (76 binary) Root relaxation: objective 0.000000e+00, 38 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time H 0 0 78.0000000 - - - 1s 0 0 0.00000 0 14 78.00000 0.00000 100% - 1s 0 0 0.00000 0 46 78.00000 0.00000 100% - 1s 0 0 0.00000 0 74 78.00000 0.00000 100% - 1s 0 2 0.00000 0 74 78.00000 0.00000 100% - 1s H 8 8 63.0000000 4.69767 92.5% 73.1 1s H 42 42 30.0000000 4.69767 84.3% 33.6 1s * 42 42 23 29.0000000 4.69767 83.8% 33.9 1s * 66 57 16 27.0000000 4.75000 82.4% 34.7 1s * 67 49 16 25.0000000 4.75000 81.0% 34.3 1s * 543 108 10 24.0000000 15.59677 35.0% 32.8 2s Cutting planes: Explored 960 nodes (30875 simplex iterations) in 2.46 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%