Gurobi 5.0.1 (linux64) logging started Fri Nov 16 18:13:22 2012 Optimize a model with 8967 rows, 14042 columns and 40354 nonzeros Presolve removed 499 rows and 2952 columns Presolve time: 0.16s Presolved: 8468 rows, 11090 columns, 36080 nonzeros Variable types: 0 continuous, 11090 integer (11090 binary) Found heuristic solution: objective 118.0000000 Root relaxation: objective 3.000000e+00, 5863 iterations, 0.24 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 3.00000 0 24 118.00000 3.00000 97.5% - 2s H 0 0 3.0000000 3.00000 0.0% - 2s Explored 0 nodes (18036 simplex iterations) in 2.23 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%