Gurobi 5.0.1 (linux64) logging started Fri Jan 18 02:46:16 2013 Optimize a model with 428 rows, 444 columns and 1682 nonzeros Presolve removed 402 rows and 401 columns Presolve time: 0.01s Presolved: 26 rows, 43 columns, 119 nonzeros Variable types: 32 continuous, 11 integer (11 binary) Root relaxation: objective 5.737611e+03, 14 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 5737.61109 0 1 - 5737.61109 - - 0s H 0 0 5753.9349587 5737.61109 0.28% - 0s 0 0 cutoff 0 5753.93496 5753.93496 0.0% - 0s Cutting planes: Implied bound: 1 Flow cover: 2 Explored 0 nodes (18 simplex iterations) in 0.01 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 5.753934958686e+03, best bound 5.753934958686e+03, gap 0.0%