Gurobi 5.0.1 (linux64) logging started Fri Nov 16 01:06:29 2012 Optimize a model with 1036 rows, 306 columns and 3330 nonzeros Presolve removed 529 rows and 2 columns Presolve time: 0.02s Presolved: 524 rows, 304 columns, 2505 nonzeros Variable types: 0 continuous, 304 integer (304 binary) Found heuristic solution: objective 17.0000000 Root relaxation: objective 4.000000e+00, 473 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 (1481 simplex iterations) in 0.06 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%