Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:53:01 2013 Optimize a model with 297 rows, 7317 columns and 14607 nonzeros Presolve time: 0.01s Presolved: 297 rows, 7317 columns, 14607 nonzeros Variable types: 7290 continuous, 27 integer (27 binary) Root relaxation: objective 2.719470e+04, 441 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 27194.7033 0 4 - 27194.7033 - - 0s H 0 0 27725.000000 27194.7033 1.91% - 0s H 0 0 27355.000000 27194.7033 0.59% - 0s H 0 0 27268.000000 27194.7033 0.27% - 0s 0 0 cutoff 0 27268.0000 27268.0000 0.0% - 0s Cutting planes: Implied bound: 53 Flow cover: 1 Explored 0 nodes (470 simplex iterations) in 0.04 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.726800000000e+04, best bound 2.726800000000e+04, gap 0.0%