Gurobi 5.0.1 (linux64) logging started Fri Nov 16 01:06:17 2012 Optimize a model with 455 rows, 156 columns and 1462 nonzeros Presolve removed 254 rows and 2 columns Presolve time: 0.00s Presolved: 201 rows, 154 columns, 900 nonzeros Variable types: 0 continuous, 154 integer (154 binary) Found heuristic solution: objective 12.0000000 Root relaxation: objective 5.000000e+00, 217 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time * 0 0 0 5.0000000 5.00000 0.0% - 0s Explored 0 nodes (288 simplex iterations) in 0.01 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 5.000000000000e+00, best bound 5.000000000000e+00, gap 0.0%