Gurobi 5.0.1 (linux64) logging started Fri Nov 16 01:06:20 2012 Optimize a model with 559 rows, 210 columns and 1818 nonzeros Presolve removed 296 rows and 2 columns Presolve time: 0.01s Presolved: 277 rows, 208 columns, 1332 nonzeros Variable types: 0 continuous, 208 integer (208 binary) Found heuristic solution: objective 14.0000000 Root relaxation: objective 4.000000e+00, 313 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time * 0 0 0 4.0000000 4.00000 0.0% - 0s Explored 0 nodes (664 simplex iterations) in 0.02 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 4.000000000000e+00, best bound 4.000000000000e+00, gap 0.0%