Gurobi 5.0.1 (linux64) logging started Fri Nov 16 19:00:54 2012 Optimize a model with 11591 rows, 16002 columns and 50146 nonzeros Presolve removed 282 rows and 3530 columns Presolve time: 0.21s Presolved: 11309 rows, 12472 columns, 45808 nonzeros Variable types: 0 continuous, 12472 integer (12472 binary) Found heuristic solution: objective 126.0000000 Root relaxation: objective 3.000000e+00, 7434 iterations, 0.41 seconds 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% - 3s Explored 0 nodes (21047 simplex iterations) in 3.10 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%