Gurobi 5.0.1 (linux64) logging started Wed Apr 24 04:21:00 2013 Optimize a model with 69886 rows, 69056 columns and 275726 nonzeros Presolve removed 83 rows and 0 columns Presolve time: 0.32s Presolved: 69803 rows, 69056 columns, 275643 nonzeros Variable types: 68973 continuous, 83 integer (83 binary) Root simplex log... Iteration Objective Primal Inf. Dual Inf. Time 7475 6.8076461e+04 4.102452e+04 0.000000e+00 5s 9024 6.8629411e+04 0.000000e+00 0.000000e+00 9s Root relaxation: objective 6.862941e+04, 9024 iterations, 8.59 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 68629.4108 0 66 - 68629.4108 - - 9s H 0 0 124538.00000 68629.4108 44.9% - 13s 0 0 92672.5549 0 14 124538.000 92672.5549 25.6% - 27s H 0 0 122944.17450 92672.5549 24.6% - 27s H 0 0 104689.00000 92672.5549 11.5% - 27s 0 0 95457.0008 0 3 104689.000 95457.0008 8.82% - 29s H 0 0 101445.02414 95457.0008 5.90% - 29s H 0 0 100199.00000 95457.0008 4.73% - 30s 0 0 95583.0049 0 7 100199.000 95583.0049 4.61% - 30s 0 0 96069.5975 0 6 100199.000 96069.5975 4.12% - 32s 0 0 96254.0824 0 5 100199.000 96254.0824 3.94% - 33s H 0 0 100172.00000 96254.0824 3.91% - 33s H 0 0 96640.000000 96254.0824 0.40% - 34s 0 2 96255.1250 0 5 96640.0000 96255.1250 0.40% - 37s H 4 4 96465.000000 96351.2859 0.12% 129 38s 22 6 96426.2500 22 1 96465.0000 96351.2859 0.12% 105 40s H 29 1 96379.000000 96367.9808 0.01% 112 40s Cutting planes: Gomory: 1 Implied bound: 81 Explored 32 nodes (25661 simplex iterations) in 41.06 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 9.637900000000e+04, best bound 9.637900000000e+04, gap 0.0%