Gurobi 5.0.1 (linux64) logging started Wed Apr 24 03:05:32 2013 Optimize a model with 58672 rows, 57912 columns and 231192 nonzeros Presolve removed 76 rows and 0 columns Presolve time: 0.27s Presolved: 58596 rows, 57912 columns, 231116 nonzeros Variable types: 57836 continuous, 76 integer (76 binary) Root simplex log... Iteration Objective Primal Inf. Dual Inf. Time 7164 6.8660354e+04 2.054635e+04 0.000000e+00 5s 8374 6.9026337e+04 0.000000e+00 0.000000e+00 8s Root relaxation: objective 6.902634e+04, 8374 iterations, 7.64 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 69026.3368 0 59 - 69026.3368 - - 8s H 0 0 120645.00000 69026.3368 42.8% - 14s 0 0 90113.6212 0 17 120645.000 90113.6212 25.3% - 27s H 0 0 107495.00000 90113.6212 16.2% - 28s H 0 0 105970.00000 90113.6212 15.0% - 28s 0 0 95063.1574 0 7 105970.000 95063.1574 10.3% - 29s H 0 0 105775.42836 95063.1574 10.1% - 29s H 0 0 104464.00000 95063.1574 9.00% - 29s 0 0 95270.2581 0 5 104464.000 95270.2581 8.80% - 30s H 0 0 102581.96694 95270.2581 7.13% - 30s H 0 0 101512.00000 95270.2581 6.15% - 30s H 0 0 96730.000000 95270.2581 1.51% - 30s 0 0 95494.8956 0 4 96730.0000 95494.8956 1.28% - 31s 0 0 95496.1285 0 3 96730.0000 95496.1285 1.28% - 31s 0 0 95496.1285 0 3 96730.0000 95496.1285 1.28% - 32s 0 2 95501.5504 0 3 96730.0000 95501.5504 1.27% - 32s H 7 6 96648.568775 95910.8043 0.76% 417 34s H 11 10 96489.043307 95910.8043 0.60% 311 35s H 13 10 96278.869565 95910.8043 0.38% 292 35s * 14 11 12 96183.000000 95910.8043 0.28% 285 35s H 19 7 96114.067332 95927.1912 0.19% 228 35s H 20 5 96092.068627 95927.1912 0.17% 219 35s H 21 4 96064.204301 95927.1912 0.14% 208 35s * 23 2 7 96017.000000 95927.1912 0.09% 197 35s Cutting planes: Implied bound: 71 Explored 26 nodes (23291 simplex iterations) in 35.90 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 9.601700000000e+04, best bound 9.601700000000e+04, gap 0.0%