Gurobi 5.0.1 (linux64) logging started Fri Nov 16 17:37:56 2012 Optimize a model with 1463 rows, 3782 columns and 7867 nonzeros Presolve removed 32 rows and 1832 columns Presolve time: 0.10s Presolved: 1431 rows, 1950 columns, 5989 nonzeros Variable types: 0 continuous, 1950 integer (1950 binary) Found heuristic solution: objective 61.0000000 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%