Gurobi 5.0.1 (linux64) logging started Fri Nov 16 17:55:11 2012 Optimize a model with 7139 rows, 11130 columns and 32023 nonzeros Presolve removed 212 rows and 2 columns Presolve time: 0.13s Presolved: 7032 rows, 11128 columns, 42391 nonzeros Variable types: 0 continuous, 11128 integer (11128 binary) Found heuristic solution: objective 105.0000000 Root relaxation: objective 3.000000e+00, 4731 iterations, 0.12 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 (4731 simplex iterations) in 0.28 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%