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 988 rows and 986 columns Presolve time: 0.10s Presolved: 1026 rows, 1026 columns, 3076 nonzeros Variable types: 513 continuous, 513 integer (513 binary) Found heuristic solution: objective 3502.0000000 Root relaxation: cutoff, 512 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 3502.00000 3502.00000 0.0% - 0s Explored 0 nodes (512 simplex iterations) in 0.12 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 3.502000000000e+03, best bound 3.502000000000e+03, gap 0.0%