Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:55:00 2013 Optimize a model with 11286 rows, 10956 columns and 43626 nonzeros Presolve removed 33 rows and 0 columns Presolve time: 0.05s Presolved: 11253 rows, 10956 columns, 43593 nonzeros Variable types: 10923 continuous, 33 integer (33 binary) Root relaxation: objective 3.200165e+04, 1798 iterations, 0.20 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 32001.6490 0 28 - 32001.6490 - - 0s H 0 0 37718.000000 32001.6490 15.2% - 0s 0 0 35678.4701 0 8 37718.0000 35678.4701 5.41% - 0s H 0 0 37710.895521 35678.4701 5.39% - 0s H 0 0 35994.000000 35678.4701 0.88% - 0s 0 0 35685.6487 0 3 35994.0000 35685.6487 0.86% - 0s H 0 0 35993.000000 35685.6487 0.85% - 0s 0 0 35691.7638 0 2 35993.0000 35691.7638 0.84% - 0s H 0 0 35902.000000 35691.7638 0.59% - 0s H 0 0 35731.000000 35691.7638 0.11% - 0s 0 2 35692.2461 0 2 35731.0000 35692.2461 0.11% - 1s Cutting planes: Implied bound: 26 Explored 2 nodes (2775 simplex iterations) in 1.05 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 3.573100000000e+04, best bound 3.572743407819e+04, gap 0.0100%