Gurobi 5.0.1 (linux64) logging started Fri Nov 16 03:08:15 2012 Optimize a model with 1232 rows, 812 columns and 4396 nonzeros Presolve removed 112 rows and 0 columns Presolve time: 0.02s Presolved: 1120 rows, 812 columns, 4116 nonzeros Variable types: 0 continuous, 812 integer (812 binary) Found heuristic solution: objective 17.0000000 Found heuristic solution: objective 3.0000000 Root relaxation: cutoff, 1386 iterations, 0.05 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 cutoff 0 3.00000 2.00000 33.3% - 0s Explored 0 nodes (1386 simplex iterations) in 0.07 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%