Gurobi 5.0.1 (linux64) logging started Fri Nov 16 15:22:09 2012 Optimize a model with 6239 rows, 4290 columns and 22683 nonzeros Presolve removed 135 rows and 197 columns Presolve time: 0.20s Presolved: 6104 rows, 4093 columns, 21975 nonzeros Variable types: 0 continuous, 4093 integer (4093 binary) Found heuristic solution: objective 65.0000000 Root relaxation: objective 3.000000e+00, 4781 iterations, 0.32 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 (6754 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%