Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:52:54 2013 Optimize a model with 7072 rows, 6812 columns and 27092 nonzeros Presolve removed 26 rows and 0 columns Presolve time: 0.03s Presolved: 7046 rows, 6812 columns, 27066 nonzeros Variable types: 6786 continuous, 26 integer (26 binary) Root relaxation: objective 2.371434e+04, 911 iterations, 0.08 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 23714.3449 0 17 - 23714.3449 - - 0s H 0 0 26227.000000 23714.3449 9.58% - 0s 0 0 25395.1429 0 1 26227.0000 25395.1429 3.17% - 0s H 0 0 25423.428571 25395.1429 0.11% - 0s H 0 0 25408.000000 25395.1429 0.05% - 0s * 0 0 0 25398.000000 25398.0000 0.0% - 0s Cutting planes: Implied bound: 17 Explored 0 nodes (1205 simplex iterations) in 0.29 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.539800000000e+04, best bound 2.539800000000e+04, gap 0.0%