Gurobi 5.0.1 (linux64) logging started Fri Nov 16 21:15:19 2012 Optimize a model with 24235 rows, 27722 columns and 99598 nonzeros Presolve removed 998 rows and 2 columns Presolve time: 0.53s Presolved: 23403 rows, 27720 columns, 124384 nonzeros Variable types: 0 continuous, 27720 integer (27720 binary) Found heuristic solution: objective 166.0000000 Root relaxation: objective 3.000000e+00, 15846 iterations, 1.73 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time * 0 0 0 3.0000000 3.00000 0.0% - 2s Explored 0 nodes (15846 simplex iterations) in 2.34 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%