Gurobi 5.0.1 (linux64) logging started Fri Nov 16 23:00:42 2012 Optimize a model with 39399 rows, 39006 columns and 156219 nonzeros Presolve removed 421 rows and 4927 columns Presolve time: 0.96s Presolved: 38978 rows, 34079 columns, 149913 nonzeros Variable types: 0 continuous, 34079 integer (34079 binary) Found heuristic solution: objective 197.0000000 Root simplex log... Iteration Objective Primal Inf. Dual Inf. Time 31072 3.0000757e+00 3.438305e+01 0.000000e+00 5s 36743 3.0000000e+00 0.000000e+00 0.000000e+00 10s Root relaxation: objective 3.000000e+00, 36743 iterations, 9.96 seconds Total elapsed time = 22.04s Total elapsed time = 26.01s 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% - 26s Explored 0 nodes (83447 simplex iterations) in 26.54 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%