Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:51:47 2013 Optimize a model with 3838 rows, 3648 columns and 14478 nonzeros Presolve removed 19 rows and 0 columns Presolve time: 0.01s Presolved: 3819 rows, 3648 columns, 14459 nonzeros Variable types: 3629 continuous, 19 integer (19 binary) Root relaxation: objective 1.702732e+04, 475 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 17027.3155 0 11 - 17027.3155 - - 0s H 0 0 18028.000000 17027.3155 5.55% - 0s 0 0 17659.0000 0 1 18028.0000 17659.0000 2.05% - 0s H 0 0 17770.000000 17659.0000 0.62% - 0s H 0 0 17668.000000 17659.0000 0.05% - 0s Cutting planes: Implied bound: 10 Explored 0 nodes (598 simplex iterations) in 0.10 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.766800000000e+04, best bound 1.766800000000e+04, gap 0.0%