Gurobi 5.0.1 (linux64) logging started Fri Nov 16 15:15:10 2012 Optimize a model with 2906 rows, 2652 columns and 11116 nonzeros Presolve removed 8 rows and 308 columns Presolve time: 0.11s Presolved: 2898 rows, 2344 columns, 10696 nonzeros Variable types: 0 continuous, 2344 integer (2344 binary) Found heuristic solution: objective 51.0000000 Found heuristic solution: objective 3.0000000 Root relaxation: objective 2.000000e+00, 99 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 2.00000 0 90 3.00000 2.00000 33.3% - 0s Explored 0 nodes (183 simplex iterations) in 0.13 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%