Gurobi 5.0.1 (linux64) logging started Fri Nov 16 03:08:48 2012 Optimize a model with 1855 rows, 1056 columns and 6462 nonzeros Presolve removed 324 rows and 66 columns Presolve time: 0.08s Presolved: 1531 rows, 990 columns, 5566 nonzeros Variable types: 0 continuous, 990 integer (990 binary) Found heuristic solution: objective 32.0000000 Root relaxation: objective 3.000000e+00, 1222 iterations, 0.04 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 (3718 simplex iterations) in 0.25 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%