Gurobi 5.0.1 (linux64) logging started Fri Nov 16 16:11:25 2012 Optimize a model with 10063 rows, 5550 columns and 35370 nonzeros Presolve removed 816 rows and 2 columns Presolve time: 0.40s Presolved: 9321 rows, 5548 columns, 38598 nonzeros Variable types: 0 continuous, 5548 integer (5548 binary) Found heuristic solution: objective 74.0000000 Root relaxation: objective 3.000000e+00, 6893 iterations, 0.97 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 (16193 simplex iterations) in 3.01 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%