Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:56:44 2013 Optimize a model with 14097 rows, 13727 columns and 54797 nonzeros Presolve removed 293 rows and 0 columns Presolve time: 0.08s Presolved: 13804 rows, 13727 columns, 54211 nonzeros Variable types: 13690 continuous, 37 integer (37 binary) Root relaxation: objective 3.839073e+04, 2194 iterations, 0.16 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 38390.7330 0 3 - 38390.7330 - - 0s H 0 0 39008.000000 38390.7330 1.58% - 0s H 0 0 38473.000000 38390.7330 0.21% - 0s 0 0 38391.7536 0 5 38473.0000 38391.7536 0.21% - 0s 0 0 38391.8541 0 5 38473.0000 38391.8541 0.21% - 0s 0 0 38393.3444 0 3 38473.0000 38393.3444 0.21% - 0s 0 2 38404.3763 0 3 38473.0000 38404.3763 0.18% - 0s * 4 3 3 38426.000000 38426.0000 0.0% 23.2 0s Cutting planes: Gomory: 1 Flow cover: 2 Explored 5 nodes (2330 simplex iterations) in 0.83 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 3.842600000000e+04, best bound 3.842600000000e+04, gap 0.0%