Gurobi 5.0.1 (linux64) logging started Fri Nov 16 17:39:22 2012 Optimize a model with 2432 rows, 5852 columns and 12844 nonzeros Presolve removed 36 rows and 2736 columns Presolve time: 0.07s Presolved: 2396 rows, 3116 columns, 10108 nonzeros Variable types: 0 continuous, 3116 integer (3116 binary) Found heuristic solution: objective 21.0000000 Found heuristic solution: objective 2.0000000 Root relaxation: cutoff, 1925 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 cutoff 0 2.00000 1.00000 50.0% - 0s Explored 0 nodes (1925 simplex iterations) in 0.09 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.000000000000e+00, best bound 2.000000000000e+00, gap 0.0%