Gurobi 5.0.1 (linux64) logging started Fri Jan 18 07:48:13 2013 Optimize a model with 280 rows, 24060 columns and 68080 nonzeros Presolve removed 20 rows and 20 columns Presolve time: 0.05s Presolved: 260 rows, 24040 columns, 48060 nonzeros Variable types: 24040 continuous, 0 integer (0 binary) Root relaxation: objective 3.839329e+04, 339 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 38393.2919 0 2 - 38393.2919 - - 0s 0 2 38393.2919 0 2 - 38393.2919 - - 0s * 34 6 17 38634.722008 38634.7220 0.0% 18.7 0s Explored 35 nodes (974 simplex iterations) in 0.54 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 3.863472200806e+04, best bound 3.863472200806e+04, gap 0.0%