Gurobi 5.0.1 (linux64) logging started Fri Nov 16 15:13:11 2012 Optimize a model with 2437 rows, 2162 columns and 9244 nonzeros Presolve removed 329 rows and 232 columns Presolve time: 0.10s Presolved: 2108 rows, 1930 columns, 8140 nonzeros Variable types: 0 continuous, 1930 integer (1930 binary) Found heuristic solution: objective 46.0000000 Root relaxation: objective 3.000000e+00, 1703 iterations, 0.06 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 3.00000 0 12 46.00000 3.00000 93.5% - 0s H 0 0 3.0000000 3.00000 0.0% - 0s Explored 0 nodes (4076 simplex iterations) in 0.28 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%