Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:51:23 2013 Optimize a model with 2128 rows, 1988 columns and 7868 nonzeros Presolve removed 14 rows and 0 columns Presolve time: 0.01s Presolved: 2114 rows, 1988 columns, 7854 nonzeros Variable types: 1974 continuous, 14 integer (14 binary) Root relaxation: objective 1.856245e+04, 341 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 18562.4540 0 9 - 18562.4540 - - 0s H 0 0 19107.000000 18562.4540 2.85% - 0s 0 0 19097.7801 0 2 19107.0000 19097.7801 0.05% - 0s 0 0 19099.0000 0 1 19107.0000 19099.0000 0.04% - 0s Cutting planes: Implied bound: 10 Explored 0 nodes (437 simplex iterations) in 0.05 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.910700000000e+04, best bound 1.910700000000e+04, gap 0.0%