Gurobi 5.0.1 (linux64) logging started Fri Nov 16 15:11:01 2012 Optimize a model with 1443 rows, 1406 columns and 5587 nonzeros Presolve removed 78 rows and 148 columns Presolve time: 0.03s Presolved: 1365 rows, 1258 columns, 5254 nonzeros Variable types: 0 continuous, 1258 integer (1258 binary) Found heuristic solution: objective 19.0000000 Found heuristic solution: objective 3.0000000 Root relaxation: cutoff, 1449 iterations, 0.02 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 (1449 simplex iterations) in 0.05 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%