Gurobi 5.0.1 (linux64) logging started Fri Nov 16 22:48:51 2012 Optimize a model with 40933 rows, 37830 columns and 159660 nonzeros Presolve removed 390 rows and 2 columns Presolve time: 0.94s Presolved: 40737 rows, 37828 columns, 195908 nonzeros Variable types: 0 continuous, 37828 integer (37828 binary) Found heuristic solution: objective 194.0000000 Root simplex log... Iteration Objective Primal Inf. Dual Inf. Time 21479 3.0000834e+00 1.786667e+02 0.000000e+00 5s 24858 3.0000000e+00 0.000000e+00 0.000000e+00 8s Root relaxation: objective 3.000000e+00, 24858 iterations, 8.25 seconds Total elapsed time = 32.18s 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% - 32s Explored 0 nodes (62187 simplex iterations) in 32.58 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%