Gurobi 5.0.1 (linux64) logging started Fri Nov 16 20:51:28 2012 Optimize a model with 18521 rows, 21756 columns and 76585 nonzeros Presolve removed 296 rows and 2 columns Presolve time: 0.37s Presolved: 18372 rows, 21754 columns, 97211 nonzeros Variable types: 0 continuous, 21754 integer (21754 binary) Found heuristic solution: objective 147.0000000 Root relaxation: objective 3.000000e+00, 14796 iterations, 1.65 seconds Total elapsed time = 7.27s 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% - 7s Explored 0 nodes (34474 simplex iterations) in 7.63 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%