Gurobi 5.0.1 (linux64) logging started Wed Apr 24 05:31:38 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 8398 7.3145020e+04 1.814267e+04 0.000000e+00 5s 10318 7.3681732e+04 1.312528e+02 0.000000e+00 10s 10439 7.3683133e+04 0.000000e+00 0.000000e+00 11s Root relaxation: objective 7.368313e+04, 10439 iterations, 10.52 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 73683.1330 0 69 - 73683.1330 - - 11s H 0 0 143315.00000 73683.1330 48.6% - 17s 0 0 94874.1442 0 20 143315.000 94874.1442 33.8% - 39s H 0 0 125130.00000 94874.1442 24.2% - 41s 0 0 104640.336 0 6 125130.000 104640.336 16.4% - 46s H 0 0 120147.81883 104640.336 12.9% - 47s H 0 0 113119.00000 104640.336 7.50% - 47s 0 0 105252.615 0 6 113119.000 105252.615 6.95% - 48s H 0 0 112986.00000 105252.615 6.84% - 48s 0 0 105498.895 0 5 112986.000 105498.895 6.63% - 49s H 0 0 112901.37572 105498.895 6.56% - 49s H 0 0 111560.00000 105498.895 5.43% - 49s H 0 0 106646.00000 105498.895 1.08% - 50s H 0 0 106162.33333 105498.895 0.62% - 52s H 0 0 105762.00000 105498.895 0.25% - 52s 0 0 105498.895 0 50 105762.000 105498.895 0.25% - 61s 0 0 105498.895 0 16 105762.000 105498.895 0.25% - 78s 0 0 105498.895 0 6 105762.000 105498.895 0.25% - 83s 0 0 105498.895 0 4 105762.000 105498.895 0.25% - 84s 0 0 105531.321 0 4 105762.000 105531.321 0.22% - 84s 0 0 105531.321 0 4 105762.000 105531.321 0.22% - 85s 0 0 105532.985 0 3 105762.000 105532.985 0.22% - 86s 0 2 105541.398 0 3 105762.000 105541.398 0.21% - 87s * 7 3 6 105717.00000 105582.512 0.13% 219 88s Cutting planes: Implied bound: 68 MIR: 1 Explored 11 nodes (44995 simplex iterations) in 89.02 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.057170000000e+05, best bound 1.057170000000e+05, gap 0.0%