Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:26:11 2012 Optimize a model with 119 rows, 384 columns and 384 nonzeros Model has 236 quadratic constraints Presolve removed 0 rows and 24 columns Presolve time: 1.38s Presolved: 119 rows, 360 columns, 360 nonzeros Variable types: 236 continuous, 124 integer (123 binary) Root relaxation: objective 0.000000e+00, 43 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time H 0 0 53.0000000 - - - 1s 0 0 0.00000 0 2 53.00000 0.00000 100% - 1s 0 0 0.00000 0 2 53.00000 0.00000 100% - 1s 0 0 0.00000 0 2 53.00000 0.00000 100% - 1s 0 2 0.00000 0 71 53.00000 0.00000 100% - 1s * 5 5 3 2.0000000 0.92308 53.8% 117 1s Cutting planes: Gomory: 1 Explored 29 nodes (990 simplex iterations) in 1.45 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.000000000000e+00, best bound 2.000000000000e+00, gap 0.0%