Gurobi 5.0.1 (linux64) logging started Fri Nov 16 15:10:20 2012 Optimize a model with 1056 rows, 1056 columns and 4096 nonzeros Presolve removed 132 rows and 128 columns Presolve time: 0.01s Presolved: 924 rows, 928 columns, 3648 nonzeros Variable types: 0 continuous, 928 integer (928 binary) Found heuristic solution: objective 17.0000000 Found heuristic solution: objective 3.0000000 Root relaxation: cutoff, 927 iterations, 0.01 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 (927 simplex iterations) in 0.03 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%