Gurobi 5.0.1 (linux64) logging started Fri Nov 16 19:01:01 2012 Optimize a model with 10079 rows, 16002 columns and 45610 nonzeros Presolve removed 34 rows and 4034 columns Presolve time: 0.16s Presolved: 10045 rows, 11968 columns, 41418 nonzeros Variable types: 0 continuous, 11968 integer (11968 binary) Found heuristic solution: objective 126.0000000 Found heuristic solution: objective 3.0000000 Root relaxation: objective 2.000000e+00, 171 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 36 3.00000 2.00000 33.3% - 0s Explored 0 nodes (304 simplex iterations) in 0.22 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%