Gurobi 5.0.1 (linux64) logging started Fri Jan 18 02:46:15 2013 Optimize a model with 28 rows, 120 columns and 945 nonzeros Presolve removed 26 rows and 118 columns Presolve time: 0.00s Presolved: 2 rows, 2 columns, 4 nonzeros Variable types: 2 continuous, 0 integer (0 binary) Root relaxation: objective 3.887594e+03, 1 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time * 0 0 0 3887.5943060 3887.59431 0.0% - 0s Explored 0 nodes (1 simplex iterations) in 0.00 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Warning: max constraint violation (4.3053e-06) exceeds tolerance Best objective 3.887594305980e+03, best bound 3.887594305980e+03, gap 0.0%