Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:37:29 2012 Optimize a model with 4 rows, 16 columns and 16 nonzeros Model has 6 quadratic constraints Presolve removed 0 rows and 3 columns Presolve time: 0.04s Presolved: 4 rows, 13 columns, 13 nonzeros Variable types: 6 continuous, 7 integer (6 binary) Root relaxation: objective 0.000000e+00, 4 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time H 0 0 3.0000000 - - - 0s * 0 0 0 0.0000000 0.00000 0.0% - 0s Cutting planes: Explored 0 nodes (7 simplex iterations) in 0.04 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 0.000000000000e+00, best bound 0.000000000000e+00, gap 0.0%