Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:55:18 2013 Optimize a model with 374 rows, 11594 columns and 23154 nonzeros Presolve time: 0.02s Presolved: 374 rows, 11594 columns, 23154 nonzeros Variable types: 11560 continuous, 34 integer (34 binary) Root relaxation: objective 2.966553e+04, 426 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 29665.5344 0 7 - 29665.5344 - - 0s H 0 0 30519.000000 29665.5344 2.80% - 0s 0 0 30150.9302 0 1 30519.0000 30150.9302 1.21% - 0s H 0 0 30514.000000 30150.9302 1.19% - 0s 0 0 30155.8837 0 1 30514.0000 30155.8837 1.17% - 0s H 0 0 30488.000000 30155.8837 1.09% - 0s H 0 0 30220.000000 30155.8837 0.21% - 0s 0 0 30157.3953 0 1 30220.0000 30157.3953 0.21% - 0s 0 0 30157.3953 0 1 30220.0000 30157.3953 0.21% - 0s 0 2 30193.0000 0 1 30220.0000 30193.0000 0.09% - 0s Cutting planes: Implied bound: 29 Flow cover: 2 Explored 3 nodes (587 simplex iterations) in 0.17 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 3.022000000000e+04, best bound 3.022000000000e+04, gap 0.0%