Gurobi 5.0.1 (linux64) logging started Fri Nov 16 22:56:05 2012 Optimize a model with 41943 rows, 38612 columns and 163462 nonzeros Presolve removed 412 rows and 3530 columns Presolve time: 1.01s Presolved: 41531 rows, 35082 columns, 158530 nonzeros Variable types: 0 continuous, 35082 integer (35082 binary) Found heuristic solution: objective 196.0000000 Root simplex log... Iteration Objective Primal Inf. Dual Inf. Time 25350 3.0000779e+00 5.835217e+01 0.000000e+00 5s 27887 3.0000000e+00 0.000000e+00 0.000000e+00 7s Root relaxation: objective 3.000000e+00, 27887 iterations, 6.75 seconds 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% - 7s Explored 0 nodes (27887 simplex iterations) in 7.88 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%