Gurobi 5.0.1 (linux64) logging started Fri Nov 16 03:08:10 2012 Optimize a model with 1221 rows, 702 columns and 4236 nonzeros Presolve removed 237 rows and 28 columns Presolve time: 0.04s Presolved: 984 rows, 674 columns, 3562 nonzeros Variable types: 0 continuous, 674 integer (674 binary) Found heuristic solution: objective 26.0000000 Root relaxation: objective 3.000000e+00, 716 iterations, 0.01 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 (2069 simplex iterations) in 0.11 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%