Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:54:51 2013 Optimize a model with 11253 rows, 10923 columns and 43593 nonzeros Presolve removed 1568 rows and 0 columns Presolve time: 0.06s Presolved: 9685 rows, 10923 columns, 40457 nonzeros Variable types: 10890 continuous, 33 integer (33 binary) Root relaxation: objective 3.538835e+04, 1505 iterations, 0.07 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 35388.3500 0 2 - 35388.3500 - - 0s H 0 0 35400.000000 35388.3500 0.03% - 0s 0 0 35389.1558 0 2 35400.0000 35389.1558 0.03% - 0s 0 0 35389.2707 0 2 35400.0000 35389.2707 0.03% - 0s Cutting planes: Gomory: 1 Flow cover: 2 Explored 0 nodes (1517 simplex iterations) in 0.27 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 3.540000000000e+04, best bound 3.540000000000e+04, gap 0.0%