Gurobi 5.0.1 (linux64) logging started Wed Apr 24 03:57:13 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 8451 7.5480032e+04 5.025226e+04 0.000000e+00 5s 10537 7.6922879e+04 1.988669e+02 0.000000e+00 10s 10792 7.6935805e+04 0.000000e+00 0.000000e+00 11s Root relaxation: objective 7.693581e+04, 10792 iterations, 10.54 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 76935.8053 0 63 - 76935.8053 - - 11s H 0 0 164701.00000 76935.8053 53.3% - 19s 0 0 117131.110 0 19 164701.000 117131.110 28.9% - 34s H 0 0 141216.30590 117131.110 17.1% - 34s H 0 0 128751.00000 117131.110 9.03% - 35s 0 0 120602.710 0 7 128751.000 120602.710 6.33% - 38s H 0 0 128503.00000 120602.710 6.15% - 38s 0 0 120959.052 0 6 128503.000 120959.052 5.87% - 39s H 0 0 126768.00000 120959.052 4.58% - 39s H 0 0 125051.00000 120959.052 3.27% - 40s 0 0 121058.324 0 3 125051.000 121058.324 3.19% - 40s H 0 0 124743.36201 121058.324 2.95% - 40s H 0 0 123401.00000 121058.324 1.90% - 40s H 0 0 121465.00000 121058.324 0.33% - 41s 0 2 121058.603 0 3 121465.000 121058.603 0.33% - 42s 6 4 121452.823 4 3 121465.000 121184.291 0.23% 750 45s * 18 6 9 121445.00000 121235.515 0.17% 439 47s Cutting planes: Implied bound: 78 Explored 30 nodes (35033 simplex iterations) in 48.23 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.214450000000e+05, best bound 1.214450000000e+05, gap 0.0%