Gurobi 5.0.1 (linux64) logging started Fri Jan 18 07:07:14 2013 Optimize a model with 2014 rows, 2012 columns and 8021 nonzeros Presolve removed 968 rows and 967 columns Presolve time: 0.10s Presolved: 1046 rows, 1045 columns, 3134 nonzeros Variable types: 523 continuous, 522 integer (522 binary) Found heuristic solution: objective 3439.5352553 Root relaxation: cutoff, 522 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 3439.53526 3439.53526 0.0% - 0s Explored 0 nodes (522 simplex iterations) in 0.12 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 3.439535255311e+03, best bound 3.439535255311e+03, gap 0.0%