Gurobi 5.0.1 (linux64) logging started Fri Nov 16 22:51:01 2012 Optimize a model with 35489 rows, 38220 columns and 143713 nonzeros Presolve removed 807 rows and 4877 columns Presolve time: 0.96s Presolved: 34682 rows, 33343 columns, 136532 nonzeros Variable types: 0 continuous, 33343 integer (33343 binary) Found heuristic solution: objective 195.0000000 Root relaxation: objective 3.000000e+00, 20493 iterations, 3.07 seconds Total elapsed time = 14.16s Total elapsed time = 17.42s 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% - 18s Explored 0 nodes (60912 simplex iterations) in 18.30 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%