Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:38:00 2012 Optimize a model with 27 rows, 75 columns and 75 nonzeros Model has 52 quadratic constraints Presolve removed 0 rows and 2 columns Presolve time: 0.30s Presolved: 27 rows, 73 columns, 73 nonzeros Variable types: 52 continuous, 21 integer (20 binary) Root relaxation: objective 0.000000e+00, 9 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time H 0 0 13.0000000 - - - 0s 0 0 0.00000 0 11 13.00000 0.00000 100% - 0s 0 0 0.00000 0 12 13.00000 0.00000 100% - 0s 0 0 0.00000 0 11 13.00000 0.00000 100% - 0s 0 2 0.00000 0 11 13.00000 0.00000 100% - 0s * 5 5 4 3.0000000 1.75000 41.7% 12.6 0s Cutting planes: Gomory: 1 Explored 11 nodes (208 simplex iterations) in 0.32 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%