Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:54:09 2013 Optimize a model with 341 rows, 9641 columns and 19251 nonzeros Presolve time: 0.01s Presolved: 341 rows, 9641 columns, 19251 nonzeros Variable types: 9610 continuous, 31 integer (31 binary) Root relaxation: objective 3.031359e+04, 380 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 30313.5914 0 7 - 30313.5914 - - 0s H 0 0 30570.000000 30313.5914 0.84% - 0s 0 0 30475.1748 0 2 30570.0000 30475.1748 0.31% - 0s H 0 0 30486.000000 30475.1748 0.04% - 0s 0 0 30475.4697 0 2 30486.0000 30475.4697 0.03% - 0s 0 0 30475.4697 0 6 30486.0000 30475.4697 0.03% - 0s 0 0 30475.6364 0 1 30486.0000 30475.6364 0.03% - 0s Cutting planes: Implied bound: 22 Explored 0 nodes (757 simplex iterations) in 0.11 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 3.048600000000e+04, best bound 3.048600000000e+04, gap 0.0%