Gurobi 5.0.1 (linux64) logging started Fri Jan 18 01:40:26 2013 Optimize a model with 320 rows, 1010 columns and 2505 nonzeros Presolve removed 10 rows and 15 columns Presolve time: 0.02s Presolved: 310 rows, 995 columns, 1990 nonzeros Variable types: 750 continuous, 245 integer (245 binary) Root relaxation: objective 1.204447e+04, 45 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12044.4669 0 1 - 12044.4669 - - 0s 0 0 12046.4719 0 2 - 12046.4719 - - 0s 0 0 12046.4719 0 2 - 12046.4719 - - 0s H 0 0 12355.668976 12046.4719 2.50% - 0s 0 2 12055.9940 0 2 12355.6690 12055.9940 2.43% - 0s * 6 2 6 12097.761925 12097.7619 0.0% 2.7 0s Cutting planes: Gomory: 1 Flow cover: 1 Explored 7 nodes (124 simplex iterations) in 0.06 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.209776192494e+04, best bound 1.209776192494e+04, gap 0.0%