Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:52:07 2012 Optimize a model with 160 rows, 500 columns and 500 nonzeros Model has 318 quadratic constraints Presolve removed 0 rows and 26 columns Presolve time: 1.86s Presolved: 160 rows, 474 columns, 474 nonzeros Variable types: 318 continuous, 156 integer (155 binary) Root relaxation: objective 0.000000e+00, 57 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time H 0 0 76.0000000 - - - 1s 0 0 0.00000 0 122 76.00000 0.00000 100% - 1s 0 0 0.05914 0 128 76.00000 0.05914 100% - 1s H 0 0 12.0000000 0.05914 100% - 1s 0 2 0.06019 0 128 12.00000 0.06019 99.5% - 1s * 17 11 12 3.0000000 1.17460 60.8% 24.2 1s Cutting planes: Gomory: 1 Explored 36 nodes (2506 simplex iterations) in 1.94 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 3.000000000000e+00, best bound 3.000000000000e+00, gap 0.0%