Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:52:46 2013 Optimize a model with 7046 rows, 6786 columns and 27066 nonzeros Presolve removed 1180 rows and 0 columns Presolve time: 0.04s Presolved: 5866 rows, 6786 columns, 24706 nonzeros Variable types: 6760 continuous, 26 integer (26 binary) Root relaxation: objective 3.336714e+04, 948 iterations, 0.03 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 33367.1409 0 1 - 33367.1409 - - 0s H 0 0 33520.000000 33367.1409 0.46% - 0s H 0 0 33487.000000 33367.1409 0.36% - 0s 0 0 33438.9412 0 1 33487.0000 33438.9412 0.14% - 0s * 0 0 0 33486.000000 33486.0000 0.0% - 0s Explored 0 nodes (1027 simplex iterations) in 0.15 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 3.348600000000e+04, best bound 3.348600000000e+04, gap 0.0%