Gurobi 5.0.1 (linux64) logging started Fri Nov 16 15:19:30 2012 Optimize a model with 5001 rows, 3782 columns and 18481 nonzeros Presolve removed 368 rows and 2 columns Presolve time: 0.13s Presolved: 4694 rows, 3780 columns, 21135 nonzeros Variable types: 0 continuous, 3780 integer (3780 binary) Found heuristic solution: objective 61.0000000 Root relaxation: objective 3.000000e+00, 2752 iterations, 0.15 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% - 0s Explored 0 nodes (7301 simplex iterations) in 0.64 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%