Gurobi 5.0.1 (linux64) logging started Mon Feb 4 16:23:59 2013 Optimize a model with 949 rows, 17853 columns and 716127 nonzeros Presolve removed 31 rows and 144 columns Presolve time: 4.33s Presolved: 918 rows, 17709 columns, 711059 nonzeros Variable types: 0 continuous, 17709 integer (17709 binary) Found heuristic solution: objective 10818.000000 Root relaxation: objective 5.995000e+03, 3760 iterations, 1.05 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time * 0 0 0 5995.0000000 5995.00000 0.0% - 5s Explored 0 nodes (3760 simplex iterations) in 5.52 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 5.995000000000e+03, best bound 5.995000000000e+03, gap 0.0%