Gurobi 5.0.1 (linux64) logging started Wed Apr 24 04:41:39 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 7597 7.4171930e+04 2.594932e+05 0.000000e+00 5s 9612 7.5446116e+04 8.043386e+01 0.000000e+00 10s 9795 7.5452431e+04 0.000000e+00 0.000000e+00 11s Root relaxation: objective 7.545243e+04, 9795 iterations, 10.60 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 75452.4307 0 65 - 75452.4307 - - 11s H 0 0 143215.00000 75452.4307 47.3% - 15s 0 0 104040.773 0 16 143215.000 104040.773 27.4% - 34s H 0 0 139405.14319 104040.773 25.4% - 34s H 0 0 122771.00000 104040.773 15.3% - 34s 0 0 110037.718 0 7 122771.000 110037.718 10.4% - 39s H 0 0 121954.08042 110037.718 9.77% - 39s H 0 0 119486.00000 110037.718 7.91% - 39s 0 0 111826.250 0 5 119486.000 111826.250 6.41% - 42s H 0 0 118827.00000 111826.250 5.89% - 42s 0 0 111886.855 0 3 118827.000 111886.855 5.84% - 43s H 0 0 114878.83781 111886.855 2.60% - 43s H 0 0 114336.00000 111886.855 2.14% - 43s 0 2 111904.660 0 3 114336.000 111904.660 2.13% - 46s H 2 2 113211.66667 112003.550 1.07% 409 47s 12 11 112273.036 11 2 113211.667 112138.737 0.95% 256 50s H 17 8 112520.00000 112138.737 0.34% 191 50s H 27 8 112459.00000 112138.737 0.28% 159 52s * 34 7 5 112402.00000 112155.458 0.22% 188 53s Cutting planes: Implied bound: 85 Explored 46 nodes (34731 simplex iterations) in 54.49 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.124020000000e+05, best bound 1.124020000000e+05, gap 0.0%