Gurobi 5.0.1 (linux64) logging started Sat Nov 17 00:06:14 2012 Optimize a model with 46329 rows, 42230 columns and 180193 nonzeros Presolve removed 432 rows and 4102 columns Presolve time: 1.15s Presolved: 45897 rows, 38128 columns, 174620 nonzeros Variable types: 0 continuous, 38128 integer (38128 binary) Found heuristic solution: objective 205.0000000 Root simplex log... Iteration Objective Primal Inf. Dual Inf. Time 31691 3.0000880e+00 1.254078e+01 0.000000e+00 5s 36305 3.0000000e+00 0.000000e+00 0.000000e+00 8s Root relaxation: objective 3.000000e+00, 36305 iterations, 8.41 seconds Total elapsed time = 27.16s Total elapsed time = 32.53s 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 (100226 simplex iterations) in 33.35 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%