Gurobi 5.0.1 (linux64) logging started Fri Nov 16 15:13:10 2012 Optimize a model with 2345 rows, 2162 columns and 8968 nonzeros Presolve removed 193 rows and 324 columns Presolve time: 0.11s Presolved: 2152 rows, 1838 columns, 8138 nonzeros Variable types: 0 continuous, 1838 integer (1838 binary) Found heuristic solution: objective 46.0000000 Root relaxation: objective 3.000000e+00, 1415 iterations, 0.04 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time * 0 0 0 3.0000000 3.00000 0.0% - 0s Explored 0 nodes (5345 simplex iterations) in 0.33 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%