Gurobi 5.0.1 (linux64) logging started Wed Apr 24 05:01:16 2013 Optimize a model with 74992 rows, 74132 columns and 296012 nonzeros Presolve removed 86 rows and 0 columns Presolve time: 0.35s Presolved: 74906 rows, 74132 columns, 295926 nonzeros Variable types: 74046 continuous, 86 integer (86 binary) Root simplex log... Iteration Objective Primal Inf. Dual Inf. Time 8995 7.6976257e+04 4.089128e+03 0.000000e+00 5s 10722 7.7635823e+04 1.807359e+01 0.000000e+00 10s 10789 7.7636920e+04 0.000000e+00 0.000000e+00 10s Root relaxation: objective 7.763692e+04, 10789 iterations, 10.29 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 77636.9198 0 72 - 77636.9198 - - 11s H 0 0 143514.00000 77636.9198 45.9% - 16s 0 0 104040.539 0 18 143514.000 104040.539 27.5% - 33s H 0 0 143248.23549 104040.539 27.4% - 33s H 0 0 121820.00000 104040.539 14.6% - 34s 0 0 110436.032 0 7 121820.000 110436.032 9.34% - 37s H 0 0 119500.50570 110436.032 7.59% - 37s H 0 0 118464.00000 110436.032 6.78% - 37s H 0 0 110628.00000 110436.032 0.17% - 37s 0 0 110475.639 0 3 110628.000 110475.639 0.14% - 38s 0 0 110476.115 0 2 110628.000 110476.115 0.14% - 38s 0 2 110478.777 0 2 110628.000 110478.777 0.13% - 39s 1 2 110512.750 1 2 110628.000 110512.750 0.10% 506 40s Cutting planes: Implied bound: 85 Explored 13 nodes (25468 simplex iterations) in 42.47 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.106280000000e+05, best bound 1.106280000000e+05, gap 0.0%