Gurobi 5.0.1 (linux64) logging started Fri Jan 18 05:26:19 2013 Optimize a model with 32 rows, 522 columns and 5551 nonzeros Presolve removed 12 rows and 12 columns Presolve time: 0.01s Presolved: 20 rows, 510 columns, 5027 nonzeros Variable types: 501 continuous, 9 integer (9 binary) Root relaxation: objective 3.279002e+03, 15 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 3279.00213 0 8 - 3279.00213 - - 0s 0 0 3279.06878 0 8 - 3279.06878 - - 0s 0 0 3279.07680 0 9 - 3279.07680 - - 0s 0 0 3279.07685 0 9 - 3279.07685 - - 0s 0 0 3279.19280 0 1 - 3279.19280 - - 0s H 0 0 3279.1929845 3279.19280 0.00% - 0s Cutting planes: Implied bound: 2 Explored 0 nodes (43 simplex iterations) in 0.05 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 3.279192984451e+03, best bound 3.279192795279e+03, gap 0.0000%