Gurobi 5.0.1 (linux64) logging started Fri Jan 18 07:07:17 2013 Optimize a model with 2014 rows, 2012 columns and 8021 nonzeros Presolve removed 980 rows and 979 columns Presolve time: 0.10s Presolved: 1034 rows, 1033 columns, 3098 nonzeros Variable types: 517 continuous, 516 integer (516 binary) Found heuristic solution: objective 2689.1102444 Root relaxation: cutoff, 516 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 2689.11024 2689.11024 0.0% - 0s Explored 0 nodes (516 simplex iterations) in 0.12 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.689110244363e+03, best bound 2.689110244363e+03, gap 0.0%