Gurobi 5.0.1 (linux64) logging started Fri Nov 16 15:10:10 2012 Optimize a model with 695 rows, 870 columns and 2811 nonzeros Presolve removed 125 rows and 205 columns Presolve time: 0.02s Presolved: 570 rows, 665 columns, 2307 nonzeros Variable types: 0 continuous, 665 integer (665 binary) Found heuristic solution: objective 29.0000000 Root relaxation: objective 3.000000e+00, 392 iterations, 0.00 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 (763 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%