Gurobi 5.0.1 (linux64) logging started Sat Nov 17 19:52:02 2012 Optimize a model with 3 rows, 7 columns and 7 nonzeros Model has 4 quadratic constraints Presolve time: 0.02s Presolved: 3 rows, 7 columns, 7 nonzeros Variable types: 4 continuous, 3 integer (3 binary) Root relaxation: objective 0.000000e+00, 1 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 3 2.00000 0.00000 100% - 0s 0 0 0.50000 0 2 2.00000 0.50000 75.0% - 0s 0 0 0.50000 0 2 2.00000 0.50000 75.0% - 0s H 0 0 1.0000000 0.50000 50.0% - 0s 0 0 1.00000 0 2 1.00000 1.00000 0.0% - 0s Cutting planes: Gomory: 1 Explored 1 nodes (16 simplex iterations) in 0.03 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%