Gurobi 5.0.1 (linux64) logging started Fri Nov 16 18:02:46 2012 Optimize a model with 8022 rows, 12882 columns and 36384 nonzeros Presolve removed 259 rows and 3505 columns Presolve time: 0.14s Presolved: 7763 rows, 9377 columns, 32178 nonzeros Variable types: 0 continuous, 9377 integer (9377 binary) Found heuristic solution: objective 113.0000000 Root relaxation: objective 3.000000e+00, 5095 iterations, 0.19 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 3.00000 0 36 113.00000 3.00000 97.3% - 1s H 0 0 3.0000000 3.00000 0.0% - 1s Explored 0 nodes (14032 simplex iterations) in 1.35 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 3.000000000000e+00, best bound 3.000000000000e+00, gap 0.0%