Gurobi 5.0.1 (linux64) logging started Fri Nov 16 03:08:05 2012 Optimize a model with 875 rows, 650 columns and 3175 nonzeros Presolve removed 51 rows and 25 columns Presolve time: 0.01s Presolved: 824 rows, 625 columns, 3025 nonzeros Variable types: 0 continuous, 625 integer (625 binary) Found heuristic solution: objective 16.0000000 Root relaxation: objective 3.000000e+00, 869 iterations, 0.02 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 (1136 simplex iterations) in 0.04 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%