Gurobi 5.0.1 (linux64) logging started Fri Nov 16 21:00:43 2012 Optimize a model with 23867 rows, 24492 columns and 95314 nonzeros Presolve removed 314 rows and 2 columns Presolve time: 0.58s Presolved: 23709 rows, 24490 columns, 118568 nonzeros Variable types: 0 continuous, 24490 integer (24490 binary) Found heuristic solution: objective 156.0000000 Root relaxation: objective 3.000000e+00, 12572 iterations, 0.89 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% - 1s Explored 0 nodes (12572 simplex iterations) in 1.54 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%