Gurobi 5.0.1 (linux64) logging started Wed Apr 24 03:55:43 2013 Optimize a model with 66582 rows, 65772 columns and 262602 nonzeros Presolve removed 81 rows and 0 columns Presolve time: 0.30s Presolved: 66501 rows, 65772 columns, 262521 nonzeros Variable types: 65691 continuous, 81 integer (81 binary) Root simplex log... Iteration Objective Primal Inf. Dual Inf. Time 7923 7.2900028e+04 4.558507e+04 0.000000e+00 5s 10158 7.4057497e+04 1.866559e+03 0.000000e+00 10s 10343 7.4061991e+04 0.000000e+00 0.000000e+00 11s Root relaxation: objective 7.406199e+04, 10343 iterations, 10.62 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 74061.9907 0 63 - 74061.9907 - - 11s H 0 0 119929.00000 74061.9907 38.2% - 17s 0 0 98175.1620 0 24 119929.000 98175.1620 18.1% - 33s H 0 0 119142.00000 98175.1620 17.6% - 36s H 0 0 117811.00000 98175.1620 16.7% - 37s 0 0 105623.249 0 10 117811.000 105623.249 10.3% - 40s H 0 0 116855.00000 105623.249 9.61% - 40s 0 0 105967.152 0 9 116855.000 105967.152 9.32% - 42s H 0 0 114578.42836 105967.152 7.52% - 42s H 0 0 111401.00000 105967.152 4.88% - 42s H 0 0 107020.00000 105967.152 0.98% - 42s 0 0 105967.675 0 7 107020.000 105967.675 0.98% - 42s 0 2 105979.734 0 7 107020.000 105979.734 0.97% - 44s 3 5 106196.867 3 4 107020.000 106099.934 0.86% 279 45s * 6 6 5 106203.00000 106099.934 0.10% 260 45s Cutting planes: Implied bound: 80 Explored 27 nodes (26643 simplex iterations) in 47.20 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.062030000000e+05, best bound 1.062030000000e+05, gap 0.0%