Gurobi 5.0.1 (linux64) logging started Fri Nov 16 22:05:22 2012 Optimize a model with 34775 rows, 34040 columns and 137446 nonzeros Presolve removed 738 rows and 2 columns Presolve time: 0.84s Presolved: 34221 rows, 34038 columns, 169092 nonzeros Variable types: 0 continuous, 34038 integer (34038 binary) Found heuristic solution: objective 184.0000000 Root simplex log... Iteration Objective Primal Inf. Dual Inf. Time 24921 3.0000741e+00 9.941176e+00 0.000000e+00 5s 25985 3.0000000e+00 0.000000e+00 0.000000e+00 6s Root relaxation: objective 3.000000e+00, 25985 iterations, 5.80 seconds Total elapsed time = 21.72s 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% - 23s Explored 0 nodes (71306 simplex iterations) in 23.13 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%