Gurobi 5.0.1 (linux64) logging started Fri Jan 18 07:07:19 2013 Optimize a model with 1014 rows, 3012 columns and 8021 nonzeros Presolve removed 380 rows and 1115 columns Presolve time: 0.12s Presolved: 634 rows, 1897 columns, 3794 nonzeros Variable types: 1265 continuous, 632 integer (632 binary) Found heuristic solution: objective 3292.3314523 Root relaxation: objective 3.292144e+03, 2 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 3292.14446 0 1 3292.33145 3292.14446 0.01% - 0s Explored 0 nodes (2 simplex iterations) in 0.14 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 3.292331452299e+03, best bound 3.292144464613e+03, gap 0.0057%