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 2.570274e+04, 258 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 25702.7353 0 4 - 25702.7353 - - 0s H 0 0 25941.000000 25702.7353 0.92% - 0s 0 0 25937.4314 0 1 25941.0000 25937.4314 0.01% - 0s 0 0 cutoff 0 25941.0000 25941.0000 0.0% - 0s Cutting planes: Implied bound: 38 Flow cover: 2 Explored 0 nodes (322 simplex iterations) in 0.05 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.594100000000e+04, best bound 2.594100000000e+04, gap 0.0%