Gurobi 5.0.1 (linux64) logging started Fri Jan 18 07:07:15 2013 Optimize a model with 2014 rows, 2012 columns and 8021 nonzeros Presolve removed 976 rows and 975 columns Presolve time: 0.10s Presolved: 1038 rows, 1037 columns, 3110 nonzeros Variable types: 519 continuous, 518 integer (518 binary) Found heuristic solution: objective 3279.1930789 Root relaxation: cutoff, 518 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 cutoff 0 3279.19308 3279.19308 0.0% - 0s Explored 0 nodes (518 simplex iterations) in 0.13 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 3.279193078893e+03, best bound 3.279193078893e+03, gap 0.0%