Gurobi 5.0.1 (linux64) logging started Fri Jan 18 07:07:16 2013 Optimize a model with 2014 rows, 2012 columns and 8021 nonzeros Presolve removed 1034 rows and 1033 columns Presolve time: 0.10s Presolved: 980 rows, 979 columns, 2936 nonzeros Variable types: 490 continuous, 489 integer (489 binary) Found heuristic solution: objective 3292.3314523 Root relaxation: cutoff, 489 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 3292.33145 3292.33145 0.0% - 0s Explored 0 nodes (489 simplex iterations) in 0.12 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 3.292331452299e+03, best bound 3.292331452299e+03, gap 0.0%