Gurobi 5.0.1 (linux64) logging started Thu Jan 17 23:20:06 2013 Optimize a model with 700 rows, 25250 columns and 50500 nonzeros Presolve removed 50 rows and 50 columns Presolve time: 0.03s Presolved: 800 rows, 25300 columns, 50650 nonzeros Variable types: 25200 continuous, 100 integer (100 binary) Root relaxation: objective 2.198499e+05, 2160 iterations, 0.06 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 219849.939 0 4 - 219849.939 - - 0s H 0 0 225936.92920 219849.939 2.69% - 0s H 0 0 224116.92822 219849.939 1.90% - 0s 0 0 219873.426 0 4 224116.928 219873.426 1.89% - 0s 0 0 219882.882 0 4 224116.928 219882.882 1.89% - 0s 0 0 219887.410 0 4 224116.928 219887.410 1.89% - 0s 0 0 219887.451 0 4 224116.928 219887.451 1.89% - 0s 0 0 219895.248 0 4 224116.928 219895.248 1.88% - 0s 0 0 219897.427 0 4 224116.928 219897.427 1.88% - 0s 0 0 219900.776 0 4 224116.928 219900.776 1.88% - 0s 0 0 219900.776 0 4 224116.928 219900.776 1.88% - 0s 0 0 219900.776 0 4 224116.928 219900.776 1.88% - 0s 0 0 219900.776 0 4 224116.928 219900.776 1.88% - 1s 0 0 219900.776 0 4 224116.928 219900.776 1.88% - 1s 0 0 219900.776 0 4 224116.928 219900.776 1.88% - 1s 0 2 219909.558 0 4 224116.928 219909.558 1.88% - 1s * 7 6 7 220916.27003 220377.925 0.24% 72.9 1s Cutting planes: Flow cover: 11 Explored 13 nodes (3691 simplex iterations) in 1.80 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.209162700342e+05, best bound 2.209162700342e+05, gap 0.0%