Gurobi 5.0.1 (linux64) logging started Fri Nov 16 22:52:40 2012 Optimize a model with 38804 rows, 38220 columns and 153658 nonzeros Presolve removed 392 rows and 2 columns Presolve time: 1.04s Presolved: 38607 rows, 38218 columns, 190314 nonzeros Variable types: 0 continuous, 38218 integer (38218 binary) Found heuristic solution: objective 195.0000000 Root simplex log... Iteration Objective Primal Inf. Dual Inf. Time 21735 3.0000690e+00 9.798207e+01 0.000000e+00 5s 25078 3.0000000e+00 0.000000e+00 0.000000e+00 8s Root relaxation: objective 3.000000e+00, 25078 iterations, 7.77 seconds Total elapsed time = 24.33s Total elapsed time = 25.05s 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% - 25s Explored 0 nodes (64546 simplex iterations) in 25.47 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%