Gurobi 5.0.1 (linux64) logging started Fri Nov 16 01:06:19 2012 Optimize a model with 602 rows, 210 columns and 1960 nonzeros Presolve removed 308 rows and 0 columns Presolve time: 0.01s Presolved: 294 rows, 210 columns, 1358 nonzeros Variable types: 0 continuous, 210 integer (210 binary) Found heuristic solution: objective 9.0000000 Root relaxation: objective 4.000000e+00, 371 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 (371 simplex iterations) in 0.01 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%