Gurobi 5.0.1 (linux64) logging started Fri Nov 16 17:49:33 2012 Optimize a model with 4746 rows, 10302 columns and 24036 nonzeros Presolve removed 45 rows and 4345 columns Presolve time: 0.12s Presolved: 4701 rows, 5957 columns, 19599 nonzeros Variable types: 0 continuous, 5957 integer (5957 binary) Found heuristic solution: objective 101.0000000 Found heuristic solution: objective 2.0000000 Root relaxation: cutoff, 0 iterations, 0.00 seconds Explored 0 nodes (0 simplex iterations) in 0.13 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%