Gurobi 5.0.1 (linux64) logging started Fri Nov 16 03:08:41 2012 Optimize a model with 1728 rows, 1056 columns and 6112 nonzeros Presolve removed 290 rows and 64 columns Presolve time: 0.03s Presolved: 1438 rows, 992 columns, 5376 nonzeros Variable types: 0 continuous, 992 integer (992 binary) Found heuristic solution: objective 17.0000000 Root relaxation: objective 3.000000e+00, 1629 iterations, 0.06 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 (2194 simplex iterations) in 0.12 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%