Gurobi 5.0.1 (linux64) logging started Fri Nov 16 21:28:19 2012 Optimize a model with 30099 rows, 29756 columns and 119194 nonzeros Presolve removed 374 rows and 4818 columns Presolve time: 0.65s Presolved: 29725 rows, 24938 columns, 113172 nonzeros Variable types: 0 continuous, 24938 integer (24938 binary) Found heuristic solution: objective 172.0000000 Root simplex log... Iteration Objective Primal Inf. Dual Inf. Time 26333 3.0000722e+00 5.914943e+01 0.000000e+00 5s 27476 3.0000000e+00 0.000000e+00 0.000000e+00 6s Root relaxation: objective 3.000000e+00, 27476 iterations, 5.70 seconds Total elapsed time = 17.44s Total elapsed time = 21.04s 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% - 22s Explored 0 nodes (68118 simplex iterations) in 22.47 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%