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 3.586895e+04, 423 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 35868.9544 0 5 - 35868.9544 - - 0s H 0 0 36372.000000 35868.9544 1.38% - 0s 0 0 36278.8029 0 3 36372.0000 36278.8029 0.26% - 0s 0 0 36290.3709 0 4 36372.0000 36290.3709 0.22% - 0s 0 0 36298.3679 0 2 36372.0000 36298.3679 0.20% - 0s 0 0 36298.8709 0 2 36372.0000 36298.8709 0.20% - 0s H 0 0 36369.000000 36298.8709 0.19% - 0s 0 0 36300.3502 0 3 36369.0000 36300.3502 0.19% - 0s 0 0 36344.8854 0 3 36369.0000 36344.8854 0.07% - 0s 0 0 36350.8067 0 2 36369.0000 36350.8067 0.05% - 0s 0 0 36354.1667 0 1 36369.0000 36354.1667 0.04% - 0s 0 0 36354.1667 0 4 36369.0000 36354.1667 0.04% - 0s 0 0 36354.1667 0 3 36369.0000 36354.1667 0.04% - 0s * 0 0 0 36355.000000 36355.0000 0.0% - 0s Cutting planes: Implied bound: 27 Flow cover: 2 Explored 0 nodes (998 simplex iterations) in 0.20 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 3.635500000000e+04, best bound 3.635500000000e+04, gap 0.0%