Gurobi 5.0.1 (linux64) logging started Fri Jan 18 02:50:42 2013 Optimize a model with 280 rows, 6060 columns and 14080 nonzeros Presolve removed 20 rows and 20 columns Presolve time: 0.01s Presolved: 260 rows, 6040 columns, 12060 nonzeros Variable types: 6040 continuous, 0 integer (0 binary) Root relaxation: objective 3.839329e+04, 382 iterations, 0.01 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 * 25 5 13 38634.717943 38634.6889 0.00% 19.0 0s Explored 26 nodes (857 simplex iterations) in 0.16 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 3.863471794296e+04, best bound 3.863468886611e+04, gap 0.0001%