Gurobi 5.0.1 (linux64) logging started Fri Nov 16 17:38:47 2012 Optimize a model with 2099 rows, 4970 columns and 10918 nonzeros Presolve removed 29 rows and 1892 columns Presolve time: 0.10s Presolved: 2070 rows, 3078 columns, 8968 nonzeros Variable types: 0 continuous, 3078 integer (3078 binary) Found heuristic solution: objective 70.0000000 Found heuristic solution: objective 2.0000000 Root relaxation: cutoff, 0 iterations, 0.00 seconds Explored 0 nodes (0 simplex iterations) in 0.11 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%