Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:35:57 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 0 865.8587955 - - - 0s * 0 0 0 865.8585677 865.85857 0.0% - 0s Cutting planes: Explored 0 nodes (120 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 (8.7662e-05) exceeds tolerance Best objective 8.658585676770e+02, best bound 8.658585676770e+02, gap 0.0%