Gurobi 5.0.1 (linux64) logging started Fri Jan 18 03:14:55 2013 Optimize a model with 700 rows, 30150 columns and 65200 nonzeros Presolve removed 50 rows and 50 columns Presolve time: 0.07s Presolved: 650 rows, 30100 columns, 60150 nonzeros Variable types: 30100 continuous, 0 integer (0 binary) Root relaxation: objective 1.959342e+05, 2572 iterations, 0.14 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 195934.242 0 3 - 195934.242 - - 0s 0 2 195934.242 0 3 - 195934.242 - - 0s * 24 8 12 196570.65000 196375.390 0.10% 119 1s * 97 4 28 196564.85717 196524.975 0.02% 32.2 1s Explored 100 nodes (5694 simplex iterations) in 1.89 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.965648571668e+05, best bound 1.965648571668e+05, gap 0.0%