Gurobi 5.0.1 (linux64) logging started Fri Nov 16 03:08:42 2012 Optimize a model with 1504 rows, 1056 columns and 5440 nonzeros Presolve removed 196 rows and 128 columns Presolve time: 0.02s Presolved: 1308 rows, 928 columns, 4832 nonzeros Variable types: 0 continuous, 928 integer (928 binary) Found heuristic solution: objective 16.0000000 Found heuristic solution: objective 3.0000000 Root relaxation: cutoff, 1237 iterations, 0.03 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 (1237 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%