Gurobi 5.0.1 (linux64) logging started Fri Jan 18 01:41:29 2013 Optimize a model with 1280 rows, 7040 columns and 16020 nonzeros Presolve removed 40 rows and 60 columns Presolve time: 0.08s Presolved: 1240 rows, 6980 columns, 13960 nonzeros Variable types: 6000 continuous, 980 integer (980 binary) Root relaxation: objective 3.600389e+04, 488 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 36003.8892 0 2 - 36003.8892 - - 0s 0 0 36071.9862 0 4 - 36071.9862 - - 0s 0 0 36082.8849 0 4 - 36082.8849 - - 0s 0 0 36083.9995 0 4 - 36083.9995 - - 0s 0 0 36086.6472 0 4 - 36086.6472 - - 0s 0 0 36088.1565 0 4 - 36088.1565 - - 0s 0 0 36093.6214 0 4 - 36093.6214 - - 0s 0 0 36094.8069 0 4 - 36094.8069 - - 0s 0 0 36098.0109 0 4 - 36098.0109 - - 0s 0 0 36102.0047 0 4 - 36102.0047 - - 0s 0 0 36103.0705 0 4 - 36103.0705 - - 0s 0 0 36103.9440 0 4 - 36103.9440 - - 0s 0 0 36104.4390 0 4 - 36104.4390 - - 0s 0 0 36104.4390 0 4 - 36104.4390 - - 0s 0 0 36104.4390 0 4 - 36104.4390 - - 0s H 0 0 36388.769579 36104.4390 0.78% - 0s 0 1 36110.4770 0 3 36388.7696 36110.4770 0.76% - 0s * 12 6 11 36202.381588 36196.2512 0.02% 9.1 0s Cutting planes: Gomory: 2 Flow cover: 10 Explored 17 nodes (1158 simplex iterations) in 0.54 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 3.620238158816e+04, best bound 3.619927438862e+04, gap 0.0086%