Gurobi 5.0.1 (linux64) logging started Wed Apr 24 05:19:46 2013 Optimize a model with 76734 rows, 75864 columns and 302934 nonzeros Presolve removed 87 rows and 0 columns Presolve time: 0.37s Presolved: 76647 rows, 75864 columns, 302847 nonzeros Variable types: 75777 continuous, 87 integer (87 binary) Root simplex log... Iteration Objective Primal Inf. Dual Inf. Time 8018 7.5220234e+04 2.064972e+05 0.000000e+00 5s 10072 7.6245560e+04 6.380507e+03 0.000000e+00 10s 10795 7.6338938e+04 0.000000e+00 0.000000e+00 12s Root relaxation: objective 7.633894e+04, 10795 iterations, 12.15 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 76338.9378 0 69 - 76338.9378 - - 12s H 0 0 144455.00000 76338.9378 47.2% - 23s 0 0 102361.793 0 21 144455.000 102361.793 29.1% - 48s H 0 0 128119.00000 102361.793 20.1% - 52s H 0 0 127110.00000 102361.793 19.5% - 52s 0 0 112342.132 0 6 127110.000 112342.132 11.6% - 56s H 0 0 127099.05754 112342.132 11.6% - 56s H 0 0 125317.00000 112342.132 10.4% - 56s 0 0 112788.136 0 2 125317.000 112788.136 10.0% - 57s H 0 0 116237.58653 112788.136 2.97% - 57s H 0 0 115144.00000 112788.136 2.05% - 57s H 0 0 113098.00000 112788.136 0.27% - 57s 0 2 112788.279 0 2 113098.000 112788.279 0.27% - 58s 4 4 113026.526 3 3 113098.000 112876.099 0.20% 351 60s * 40 0 5 113078.00000 113078.000 0.0% 110 63s Cutting planes: Implied bound: 87 Explored 41 nodes (30208 simplex iterations) in 63.79 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.130780000000e+05, best bound 1.130780000000e+05, gap 0.0%