Gurobi 5.0.1 (linux64) logging started Sat Nov 17 19:52:02 2012 Optimize a model with 4 rows, 10 columns and 10 nonzeros Model has 6 quadratic constraints Presolve time: 0.04s Presolved: 4 rows, 10 columns, 10 nonzeros Variable types: 6 continuous, 4 integer (4 binary) Root relaxation: objective 0.000000e+00, 2 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time H 0 0 2.0000000 - - - 0s 0 0 0.00000 0 4 2.00000 0.00000 100% - 0s 0 0 0.33333 0 4 2.00000 0.33333 83.3% - 0s H 0 0 1.0000000 0.33333 66.7% - 0s 0 0 1.00000 0 4 1.00000 1.00000 0.0% - 0s Cutting planes: Gomory: 1 Explored 1 nodes (24 simplex iterations) in 0.04 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.000000000000e+00, best bound 1.000000000000e+00, gap 0.0%