Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:12:16 2012 Optimize a model with 75 rows, 202 columns and 202 nonzeros Model has 148 quadratic constraints Presolve removed 0 rows and 2 columns Presolve time: 0.86s Presolved: 75 rows, 200 columns, 200 nonzeros Variable types: 148 continuous, 52 integer (51 binary) Root relaxation: objective 0.000000e+00, 25 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time H 0 0 44.0000000 - - - 0s 0 0 0.00000 0 27 44.00000 0.00000 100% - 0s 0 0 0.00000 0 47 44.00000 0.00000 100% - 0s 0 0 0.00000 0 46 44.00000 0.00000 100% - 0s 0 2 0.00000 0 46 44.00000 0.00000 100% - 0s H 16 16 24.0000000 3.55556 85.2% 20.0 0s * 25 23 13 9.0000000 3.55556 60.5% 21.7 0s H 37 22 8.0000000 3.87755 51.5% 18.5 0s Cutting planes: Gomory: 1 Explored 114 nodes (2350 simplex iterations) in 0.94 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 7.999999999841e+00, best bound 7.999999999841e+00, gap 0.0%