Gurobi 5.0.1 (linux64) logging started Wed Apr 24 04:46:06 2013 Optimize a model with 73270 rows, 72420 columns and 289170 nonzeros Presolve removed 85 rows and 0 columns Presolve time: 0.34s Presolved: 73185 rows, 72420 columns, 289085 nonzeros Variable types: 72335 continuous, 85 integer (85 binary) Root simplex log... Iteration Objective Primal Inf. Dual Inf. Time 8280 7.0155622e+04 9.725437e+04 0.000000e+00 5s 10137 7.0620796e+04 0.000000e+00 0.000000e+00 9s Root relaxation: objective 7.062080e+04, 10137 iterations, 9.37 seconds Total elapsed time = 10.08s Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 70620.7957 0 65 - 70620.7957 - - 10s H 0 0 123205.00000 70620.7957 42.7% - 16s 0 0 88897.6147 0 17 123205.000 88897.6147 27.8% - 29s H 0 0 116975.00000 88897.6147 24.0% - 30s 0 0 98260.5094 0 10 116975.000 98260.5094 16.0% - 34s H 0 0 115754.00000 98260.5094 15.1% - 34s H 0 0 114148.00000 98260.5094 13.9% - 35s 0 0 100774.898 0 6 114148.000 100774.898 11.7% - 36s H 0 0 113823.14032 100774.898 11.5% - 36s H 0 0 111197.00000 100774.898 9.37% - 36s 0 0 100824.952 0 1 111197.000 100824.952 9.33% - 37s H 0 0 106374.18095 100824.952 5.22% - 37s H 0 0 105336.00000 100824.952 4.28% - 37s H 0 0 102762.00000 100824.952 1.88% - 38s 0 2 100825.029 0 1 102762.000 100825.029 1.88% - 38s H 2 2 102638.20000 100831.000 1.76% 47.0 39s H 3 3 102366.40000 100837.593 1.49% 38.3 39s 5 7 100863.104 5 1 102366.400 100863.104 1.47% 131 40s H 9 7 101394.68421 100879.158 0.51% 113 40s H 15 5 101119.71429 100904.571 0.21% 104 41s H 21 4 101027.00000 100910.810 0.12% 106 43s * 32 0 16 100984.00000 100984.000 0.0% 136 44s Cutting planes: Implied bound: 85 Explored 33 nodes (27290 simplex iterations) in 44.89 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.009840000000e+05, best bound 1.009840000000e+05, gap 0.0%