Gurobi 5.0.1 (linux64) logging started Wed Apr 24 03:53:00 2013 Optimize a model with 66582 rows, 65772 columns and 262602 nonzeros Presolve removed 81 rows and 0 columns Presolve time: 0.30s Presolved: 66501 rows, 65772 columns, 262521 nonzeros Variable types: 65691 continuous, 81 integer (81 binary) Root simplex log... Iteration Objective Primal Inf. Dual Inf. Time 8283 7.2557273e+04 7.534523e+03 0.000000e+00 5s 9394 7.2736757e+04 0.000000e+00 0.000000e+00 7s Root relaxation: objective 7.273676e+04, 9394 iterations, 7.23 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 72736.7574 0 57 - 72736.7574 - - 7s H 0 0 126222.00000 72736.7574 42.4% - 12s 0 0 98290.1267 0 23 126222.000 98290.1267 22.1% - 31s 0 0 104971.578 0 10 126222.000 104971.578 16.8% - 40s H 0 0 114948.42218 104971.578 8.68% - 40s H 0 0 112994.00000 104971.578 7.10% - 40s 0 0 105577.411 0 6 112994.000 105577.411 6.56% - 42s 0 0 105646.534 0 5 112994.000 105646.534 6.50% - 43s H 0 0 111132.47798 105646.534 4.94% - 43s H 0 0 110633.00000 105646.534 4.51% - 43s H 0 0 105864.00000 105646.534 0.21% - 43s 0 0 105712.094 0 2 105864.000 105712.094 0.14% - 44s 0 0 105801.454 0 2 105864.000 105801.454 0.06% - 45s 0 0 105822.231 0 1 105864.000 105822.231 0.04% - 45s 0 0 105831.800 0 1 105864.000 105831.800 0.03% - 46s 0 0 105831.800 0 47 105864.000 105831.800 0.03% - 53s 0 0 105831.800 0 14 105864.000 105831.800 0.03% - 64s 0 0 105831.800 0 6 105864.000 105831.800 0.03% - 66s 0 0 105831.800 0 1 105864.000 105831.800 0.03% - 67s 0 2 105831.803 0 1 105864.000 105831.803 0.03% - 68s 12 1 105854.000 1 2 105864.000 105854.000 0.01% 90.6 70s Cutting planes: Gomory: 2 Implied bound: 61 Explored 13 nodes (42118 simplex iterations) in 70.14 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.058640000000e+05, best bound 1.058540000000e+05, gap 0.0094%