Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:40:16 2012 Optimize a model with 151 rows, 471 columns and 471 nonzeros Model has 300 quadratic constraints Presolve removed 0 rows and 26 columns Presolve time: 1.75s Presolved: 151 rows, 445 columns, 445 nonzeros Variable types: 300 continuous, 145 integer (144 binary) Root relaxation: objective 0.000000e+00, 55 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time H 0 0 87.0000000 - - - 1s 0 0 0.00000 0 83 87.00000 0.00000 100% - 1s 0 0 0.00000 0 94 87.00000 0.00000 100% - 1s 0 0 0.00000 0 91 87.00000 0.00000 100% - 1s 0 2 0.00000 0 90 87.00000 0.00000 100% - 1s * 29 29 19 7.0000000 1.03659 85.2% 34.5 1s * 39 14 7 4.0000000 1.50000 62.5% 28.6 1s Cutting planes: Gomory: 2 Explored 100 nodes (3223 simplex iterations) in 1.91 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 4.000000000000e+00, best bound 4.000000000000e+00, gap 0.0%