Gurobi 5.0.1 (linux64) logging started Wed Apr 24 05:26:08 2013 Optimize a model with 78496 rows, 77616 columns and 309936 nonzeros Presolve removed 88 rows and 0 columns Presolve time: 0.37s Presolved: 78408 rows, 77616 columns, 309848 nonzeros Variable types: 77528 continuous, 88 integer (88 binary) Root simplex log... Iteration Objective Primal Inf. Dual Inf. Time 8531 7.5286420e+04 5.024141e+04 0.000000e+00 5s 10416 7.6081087e+04 0.000000e+00 0.000000e+00 10s Root relaxation: objective 7.608109e+04, 10416 iterations, 9.95 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 76081.0873 0 61 - 76081.0873 - - 10s H 0 0 134822.00000 76081.0873 43.6% - 20s 0 0 97069.3883 0 25 134822.000 97069.3883 28.0% - 43s H 0 0 124292.00000 97069.3883 21.9% - 48s 0 0 105031.454 0 5 124292.000 105031.454 15.5% - 55s H 0 0 115561.37867 105031.454 9.11% - 55s H 0 0 114003.00000 105031.454 7.87% - 55s 0 0 105767.255 0 5 114003.000 105767.255 7.22% - 57s H 0 0 113711.00000 105767.255 6.99% - 57s 0 0 105921.492 0 3 113711.000 105921.492 6.85% - 58s 0 0 105952.725 0 2 113711.000 105952.725 6.82% - 59s H 0 0 108391.19780 105952.725 2.25% - 59s H 0 0 107820.00000 105952.725 1.73% - 59s H 0 0 106491.00000 105952.725 0.51% - 60s 0 2 105955.760 0 2 106491.000 105955.760 0.50% - 61s 14 9 106330.909 12 1 106491.000 106161.575 0.31% 300 65s 61 8 106350.717 3 2 106491.000 106341.000 0.14% 152 70s * 66 0 3 106361.00000 106361.000 0.0% 154 70s Cutting planes: Implied bound: 88 Explored 67 nodes (37368 simplex iterations) in 70.94 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.063610000000e+05, best bound 1.063610000000e+05, gap 0.0%