Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:57:05 2013 Optimize a model with 14134 rows, 13764 columns and 54834 nonzeros Presolve removed 37 rows and 0 columns Presolve time: 0.06s Presolved: 14097 rows, 13764 columns, 54797 nonzeros Variable types: 13727 continuous, 37 integer (37 binary) Root relaxation: objective 3.384776e+04, 2051 iterations, 0.35 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 33847.7637 0 33 - 33847.7637 - - 0s H 0 0 39162.000000 33847.7637 13.6% - 0s 0 0 37798.1191 0 2 39162.0000 37798.1191 3.48% - 0s H 0 0 38840.272638 37798.1191 2.68% - 0s H 0 0 38555.000000 37798.1191 1.96% - 1s H 0 0 38138.000000 37798.1191 0.89% - 1s 0 0 37838.0057 0 2 38138.0000 37838.0057 0.79% - 1s H 0 0 37867.000000 37838.0057 0.08% - 1s 0 0 cutoff 0 37867.0000 37867.0000 0.0% - 1s Cutting planes: Implied bound: 27 Explored 0 nodes (2823 simplex iterations) in 1.15 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 3.786700000000e+04, best bound 3.786700000000e+04, gap 0.0%