Gurobi 5.0.1 (linux64) logging started Thu Jan 17 23:16:20 2013 Optimize a model with 360 rows, 4120 columns and 8340 nonzeros Presolve removed 80 rows and 60 columns Presolve time: 0.01s Presolved: 280 rows, 4060 columns, 8180 nonzeros Variable types: 4040 continuous, 20 integer (20 binary) Root relaxation: objective 4.636776e+04, 255 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 46367.7551 0 2 - 46367.7551 - - 0s H 0 0 46633.511080 46367.7551 0.57% - 0s * 0 0 0 46625.049630 46625.0496 0.0% - 0s Explored 0 nodes (281 simplex iterations) in 0.04 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 4.662504962981e+04, best bound 4.662504962981e+04, gap 0.0%