Gurobi 5.0.1 (linux64) logging started Fri Jan 18 05:52:44 2013 Optimize a model with 10320 rows, 24060 columns and 78100 nonzeros Presolve removed 20 rows and 20 columns Presolve time: 0.53s Presolved: 10300 rows, 24040 columns, 68080 nonzeros Variable types: 14040 continuous, 10000 integer (10000 binary) Root relaxation: objective 3.600389e+04, 508 iterations, 0.03 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 36003.8892 0 4 - 36003.8892 - - 1s 0 0 36086.1506 0 5 - 36086.1506 - - 1s 0 0 36087.0356 0 5 - 36087.0356 - - 1s 0 0 36091.5713 0 5 - 36091.5713 - - 1s 0 0 36092.8565 0 5 - 36092.8565 - - 1s 0 0 36093.1467 0 5 - 36093.1467 - - 1s 0 0 36094.3171 0 6 - 36094.3171 - - 1s 0 0 36094.5813 0 6 - 36094.5813 - - 1s 0 0 36096.8119 0 6 - 36096.8119 - - 2s 0 0 36097.7686 0 6 - 36097.7686 - - 2s 0 0 36097.8457 0 5 - 36097.8457 - - 2s 0 0 36098.1249 0 8 - 36098.1249 - - 2s 0 0 36101.9506 0 5 - 36101.9506 - - 2s 0 0 36102.3983 0 9 - 36102.3983 - - 2s 0 0 36102.5498 0 9 - 36102.5498 - - 2s 0 0 36102.5837 0 9 - 36102.5837 - - 2s 0 0 36102.5837 0 9 - 36102.5837 - - 3s 0 2 36102.5837 0 9 - 36102.5837 - - 4s 1 3 36508.0580 1 4 - 36102.5837 - 166 5s * 21 5 11 36202.402486 36202.4018 0.00% 56.8 5s Cutting planes: Gomory: 4 Implied bound: 26 Flow cover: 2 Explored 22 nodes (2105 simplex iterations) in 5.50 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 3.620240248627e+04, best bound 3.620240180019e+04, gap 0.0000%