Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:52:03 2013 Optimize a model with 5082 rows, 4862 columns and 19382 nonzeros Presolve removed 151 rows and 0 columns Presolve time: 0.03s Presolved: 4931 rows, 4862 columns, 19080 nonzeros Variable types: 4840 continuous, 22 integer (22 binary) Root relaxation: objective 2.482976e+04, 424 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 24829.7600 0 1 - 24829.7600 - - 0s H 0 0 24841.000000 24829.7600 0.05% - 0s 0 0 24832.7102 0 2 24841.0000 24832.7102 0.03% - 0s 0 0 24833.4768 0 2 24841.0000 24833.4768 0.03% - 0s 0 0 24839.0690 0 1 24841.0000 24839.0690 0.01% - 0s Cutting planes: Gomory: 2 Flow cover: 2 Explored 0 nodes (454 simplex iterations) in 0.10 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.484100000000e+04, best bound 2.483906896552e+04, gap 0.0078%