Gurobi 5.0.1 (linux64) logging started Fri Jan 18 05:26:38 2013 Optimize a model with 1032 rows, 2046 columns and 7090 nonzeros Presolve removed 26 rows and 481 columns Presolve time: 0.15s Presolved: 1006 rows, 1565 columns, 4680 nonzeros Variable types: 1012 continuous, 553 integer (553 binary) Root relaxation: objective 5.503766e+03, 12 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 5503.76586 0 2 - 5503.76586 - - 0s 0 0 5503.77240 0 2 - 5503.77240 - - 0s H 0 0 5503.9233314 5503.77240 0.00% - 0s Explored 0 nodes (20 simplex iterations) in 0.46 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 5.503923331361e+03, best bound 5.503772404044e+03, gap 0.0027%