Gurobi 5.0.1 (linux64) logging started Fri Nov 16 21:42:04 2012 Optimize a model with 29919 rows, 31152 columns and 120030 nonzeros Presolve removed 354 rows and 2 columns Presolve time: 0.75s Presolved: 29741 rows, 31150 columns, 149790 nonzeros Variable types: 0 continuous, 31150 integer (31150 binary) Found heuristic solution: objective 176.0000000 Root relaxation: objective 3.000000e+00, 16217 iterations, 2.48 seconds Total elapsed time = 11.74s 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% - 12s Explored 0 nodes (45826 simplex iterations) in 12.36 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%