Gurobi 5.0.1 (linux64) logging started Mon Feb 4 16:38:43 2013 Optimize a model with 2951 rows, 676 columns and 9126 nonzeros Presolve removed 570 rows and 350 columns Presolve time: 0.01s Presolved: 2381 rows, 326 columns, 7396 nonzeros Variable types: 11 continuous, 315 integer (315 binary) Found heuristic solution: objective 18296.000000 Root relaxation: objective 1.467284e+04, 1634 iterations, 0.03 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 14672.8387 0 5 18296.0000 14672.8387 19.8% - 0s H 0 0 14692.000000 14672.8387 0.13% - 0s H 0 0 14679.000000 14672.8387 0.04% - 0s H 0 0 14676.000000 14672.8387 0.02% - 0s 0 0 14674.8177 0 15 14676.0000 14674.8177 0.01% - 0s Cutting planes: Gomory: 4 Implied bound: 1 MIR: 5 Mod-K: 3 Explored 0 nodes (1675 simplex iterations) in 0.06 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.467600000000e+04, best bound 1.467500000000e+04, gap 0.0068%