Gurobi 5.0.1 (linux64) logging started Fri Nov 16 15:10:05 2012 Optimize a model with 728 rows, 812 columns and 2884 nonzeros Presolve removed 61 rows and 140 columns Presolve time: 0.01s Presolved: 667 rows, 672 columns, 2604 nonzeros Variable types: 0 continuous, 672 integer (672 binary) Found heuristic solution: objective 14.0000000 Root relaxation: objective 3.000000e+00, 483 iterations, 0.01 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 (483 simplex iterations) in 0.02 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%