Gurobi 5.0.1 (linux64) logging started Wed Apr 24 09:59:10 2013 Optimize a model with 1100 rows, 100100 columns and 200100 nonzeros Presolve time: 0.20s Presolved: 1100 rows, 100100 columns, 200100 nonzeros Variable types: 100000 continuous, 100 integer (100 binary) Root relaxation: objective 1.378375e+05, 3943 iterations, 0.17 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 137837.487 0 9 - 137837.487 - - 0s H 0 0 150708.00000 137837.487 8.54% - 0s 0 0 137979.674 0 3 150708.000 137979.674 8.45% - 1s H 0 0 146055.52810 137979.674 5.53% - 1s H 0 0 145824.00000 137979.674 5.38% - 1s 0 0 138002.505 0 3 145824.000 138002.505 5.36% - 1s 0 0 138006.214 0 3 145824.000 138006.214 5.36% - 1s 0 0 138007.571 0 3 145824.000 138007.571 5.36% - 1s H 0 0 145361.00000 138007.571 5.06% - 1s 0 0 138009.797 0 3 145361.000 138009.797 5.06% - 1s 0 0 138009.797 0 3 145361.000 138009.797 5.06% - 1s H 0 0 145215.00000 138009.797 4.96% - 2s 0 0 138009.797 0 3 145215.000 138009.797 4.96% - 2s H 0 0 145168.00000 138009.797 4.93% - 2s 0 0 138009.797 0 3 145168.000 138009.797 4.93% - 2s 0 2 138026.897 0 3 145168.000 138026.897 4.92% - 2s H 1 1 140345.34437 138026.897 1.65% 0.0 2s H 9 9 139610.73913 138114.196 1.07% 70.6 3s H 14 13 139297.00000 138114.196 0.85% 68.9 3s H 18 13 138509.00000 138114.196 0.29% 56.7 3s H 19 13 138463.00000 138114.196 0.25% 54.4 3s * 20 9 19 138423.00000 138114.196 0.22% 52.3 3s * 21 8 18 138420.00000 138114.196 0.22% 51.0 4s Cutting planes: Implied bound: 168 Flow cover: 1 Explored 33 nodes (6484 simplex iterations) in 4.49 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.384200000000e+05, best bound 1.384119324728e+05, gap 0.0058%