Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:52:35 2013 Optimize a model with 275 rows, 6275 columns and 12525 nonzeros Presolve time: 0.01s Presolved: 275 rows, 6275 columns, 12525 nonzeros Variable types: 6250 continuous, 25 integer (25 binary) Root relaxation: objective 3.043960e+04, 448 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 30439.5965 0 3 - 30439.5965 - - 0s H 0 0 30928.000000 30439.5965 1.58% - 0s H 0 0 30768.000000 30439.5965 1.07% - 0s 0 0 30728.5268 0 2 30768.0000 30728.5268 0.13% - 0s 0 0 30742.9368 0 2 30768.0000 30742.9368 0.08% - 0s 0 0 30744.6419 0 2 30768.0000 30744.6419 0.08% - 0s 0 0 30745.5714 0 1 30768.0000 30745.5714 0.07% - 0s 0 0 30758.0999 0 2 30768.0000 30758.0999 0.03% - 0s * 0 0 0 30761.000000 30761.0000 0.0% - 0s Cutting planes: Implied bound: 16 Flow cover: 2 Explored 0 nodes (525 simplex iterations) in 0.08 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 3.076100000000e+04, best bound 3.076100000000e+04, gap 0.0%