Gurobi 5.0.1 (linux64) logging started Fri Nov 16 17:38:05 2012 Optimize a model with 1322 rows, 4032 columns and 7684 nonzeros Presolve removed 35 rows and 2081 columns Presolve time: 0.10s Presolved: 1287 rows, 1951 columns, 5563 nonzeros Variable types: 0 continuous, 1951 integer (1951 binary) Found heuristic solution: objective 63.0000000 Found heuristic solution: objective 2.0000000 Root relaxation: cutoff, 0 iterations, 0.00 seconds Explored 0 nodes (0 simplex iterations) in 0.10 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.000000000000e+00, best bound 2.000000000000e+00, gap 0.0%