Gurobi 5.0.1 (linux64) logging started Fri Nov 16 21:33:04 2012 Optimize a model with 27160 rows, 30102 columns and 110718 nonzeros Presolve removed 1040 rows and 2 columns Presolve time: 0.65s Presolved: 26293 rows, 30100 columns, 137750 nonzeros Variable types: 0 continuous, 30100 integer (30100 binary) Found heuristic solution: objective 173.0000000 Root relaxation: objective 3.000000e+00, 18497 iterations, 2.50 seconds Total elapsed time = 9.77s Total elapsed time = 10.18s 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% - 10s Explored 0 nodes (47116 simplex iterations) in 10.85 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%