Gurobi 5.0.1 (linux64) logging started Thu Jan 24 20:10:15 2013 Optimize a model with 10 rows, 100 columns and 1000 nonzeros Presolve time: 0.00s Presolved: 10 rows, 100 columns, 1000 nonzeros Variable types: 0 continuous, 100 integer (100 binary) Found heuristic solution: objective 20149.000000 Root relaxation: objective 2.305349e+04, 33 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 23053.4873 0 10 20149.0000 23053.4873 14.4% - 0s H 0 0 22452.000000 23053.4873 2.68% - 0s 0 0 23047.5693 0 12 22452.0000 23047.5693 2.65% - 0s 0 0 23045.4871 0 13 22452.0000 23045.4871 2.64% - 0s 0 0 23042.4295 0 13 22452.0000 23042.4295 2.63% - 0s 0 0 23042.4056 0 14 22452.0000 23042.4056 2.63% - 0s 0 2 23042.1862 0 14 22452.0000 23042.1862 2.63% - 0s H 9 9 22617.000000 23033.8470 1.84% 5.7 0s H 307 246 22644.000000 23028.1379 1.70% 3.3 0s H 4496 2709 22650.000000 23009.0071 1.59% 3.6 0s H 6800 4012 22702.000000 22998.8825 1.31% 3.6 0s H15312 8794 22725.000000 22977.6808 1.11% 3.6 1s H29839 14676 22777.000000 22956.9831 0.79% 3.7 1s 70850 19854 22857.6119 56 9 22777.0000 22934.7342 0.69% 3.7 5s 162499 29630 22819.8446 53 8 22777.0000 22894.8970 0.52% 3.7 10s 256866 35030 22779.9307 55 7 22777.0000 22864.8514 0.39% 3.6 15s 354632 23128 22813.2248 60 7 22777.0000 22833.9680 0.25% 3.6 20s Cutting planes: Gomory: 9 Explored 404860 nodes (1425935 simplex iterations) in 22.46 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.277700000000e+04, best bound 2.277900000000e+04, gap 0.0088%