Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:35:56 2013 Optimize a model with 40 rows, 52 columns and 80 nonzeros Model has 10 quadratic constraints Presolve removed 20 rows and 20 columns Presolve time: 0.06s Presolved: 50 rows, 62 columns, 100 nonzeros Variable types: 62 continuous, 0 integer (0 binary) Root relaxation: objective 0.000000e+00, 20 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time H 0 0 1089.2128028 - - - 0s * 0 0 0 1089.2121901 1089.21219 0.0% - 0s Cutting planes: Explored 0 nodes (115 simplex iterations) in 0.08 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Warning: max constraint violation (1.6332e-04) exceeds tolerance Best objective 1.089212190050e+03, best bound 1.089212190050e+03, gap 0.0%