Gurobi 5.0.1 (linux64) logging started Fri Jan 18 05:26:40 2013 Optimize a model with 64 rows, 1064 columns and 11142 nonzeros Presolve removed 22 rows and 23 columns Presolve time: 0.03s Presolved: 42 rows, 1041 columns, 10098 nonzeros Variable types: 1023 continuous, 18 integer (18 binary) Root relaxation: objective 5.737611e+03, 16 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 5737.61109 0 3 - 5737.61109 - - 0s 0 0 5739.00214 0 3 - 5739.00214 - - 0s 0 0 5751.35502 0 3 - 5751.35502 - - 0s 0 0 5752.99740 0 3 - 5752.99740 - - 0s 0 0 5753.62940 0 3 - 5753.62940 - - 0s 0 0 5753.91282 0 3 - 5753.91282 - - 0s 0 0 5753.91282 0 3 - 5753.91282 - - 0s H 0 0 5754.0023913 5753.91282 0.00% - 0s Cutting planes: Flow cover: 1 Explored 0 nodes (65 simplex iterations) in 0.23 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 5.754002391345e+03, best bound 5.753912820330e+03, gap 0.0016%