Gurobi 5.0.1 (linux64) logging started Fri Nov 16 22:42:22 2012 Optimize a model with 39950 rows, 37442 columns and 156328 nonzeros Presolve removed 410 rows and 4248 columns Presolve time: 0.91s Presolved: 39540 rows, 33194 columns, 150707 nonzeros Variable types: 0 continuous, 33194 integer (33194 binary) Found heuristic solution: objective 193.0000000 Root simplex log... Iteration Objective Primal Inf. Dual Inf. Time 29238 3.0000759e+00 2.942887e+01 0.000000e+00 5s 34774 3.0000000e+00 0.000000e+00 0.000000e+00 10s Root relaxation: objective 3.000000e+00, 34774 iterations, 9.89 seconds Total elapsed time = 29.56s Total elapsed time = 30.08s 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% - 33s Explored 0 nodes (88313 simplex iterations) in 33.98 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%