Gurobi 5.0.1 (linux64) logging started Fri Nov 16 15:11:01 2012 Optimize a model with 1332 rows, 1406 columns and 5254 nonzeros Presolve removed 79 rows and 185 columns Presolve time: 0.02s Presolved: 1253 rows, 1221 columns, 4884 nonzeros Variable types: 0 continuous, 1221 integer (1221 binary) Found heuristic solution: objective 16.0000000 Found heuristic solution: objective 3.0000000 Root relaxation: cutoff, 1056 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 (1056 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%