Gurobi 5.0.1 (linux64) logging started Wed Apr 24 04:13:58 2013 Optimize a model with 913 rows, 68973 columns and 137863 nonzeros Presolve time: 0.11s Presolved: 913 rows, 68973 columns, 137863 nonzeros Variable types: 68890 continuous, 83 integer (83 binary) Root relaxation: objective 1.052703e+05, 2401 iterations, 0.08 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 105270.268 0 9 - 105270.268 - - 0s H 0 0 113650.00000 105270.268 7.37% - 0s 0 0 105544.452 0 6 113650.000 105544.452 7.13% - 0s H 0 0 112708.65972 105544.452 6.36% - 0s H 0 0 112038.00000 105544.452 5.80% - 0s 0 0 105598.076 0 5 112038.000 105598.076 5.75% - 0s 0 0 105602.837 0 5 112038.000 105602.837 5.74% - 0s H 0 0 111764.00000 105602.837 5.51% - 0s 0 0 105650.777 0 3 111764.000 105650.777 5.47% - 1s 0 0 105671.312 0 3 111764.000 105671.312 5.45% - 1s H 0 0 111478.00000 105671.312 5.21% - 1s 0 0 105683.036 0 3 111478.000 105683.036 5.20% - 1s 0 0 105688.558 0 3 111478.000 105688.558 5.19% - 1s 0 0 105690.955 0 3 111478.000 105690.955 5.19% - 1s 0 0 105694.796 0 3 111478.000 105694.796 5.19% - 1s H 0 0 111428.00000 105694.796 5.15% - 1s 0 0 105694.832 0 4 111428.000 105694.832 5.15% - 1s 0 0 105694.832 0 4 111428.000 105694.832 5.15% - 1s 0 0 105694.832 0 4 111428.000 105694.832 5.15% - 2s 0 2 105698.264 0 4 111428.000 105698.264 5.14% - 2s H 3 3 110820.94958 105755.419 4.57% 32.3 2s H 4 4 110119.37713 105755.419 3.96% 65.2 2s H 5 5 108474.67010 105836.010 2.43% 120 2s H 7 7 107242.00000 105916.191 1.24% 115 3s H 10 10 107138.76923 105916.191 1.14% 107 3s H 19 14 106409.00000 105916.191 0.46% 72.8 3s H 21 13 106397.00000 105916.191 0.45% 69.9 3s H 22 13 106389.00000 105916.191 0.44% 67.1 3s H 23 13 106383.00000 105916.191 0.44% 64.5 3s * 24 11 20 106343.00000 105916.191 0.40% 62.5 3s H 34 16 106277.00000 105928.834 0.33% 62.4 3s H 36 17 106272.00000 105928.834 0.32% 59.1 3s * 37 14 14 106221.00000 105928.834 0.28% 58.3 3s * 46 15 10 106198.00000 105960.900 0.22% 58.0 4s H 61 13 106115.00000 105989.015 0.12% 55.3 4s * 62 7 14 106088.00000 105989.015 0.09% 54.9 4s Cutting planes: Implied bound: 152 Flow cover: 9 Explored 74 nodes (6834 simplex iterations) in 4.49 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.060880000000e+05, best bound 1.060880000000e+05, gap 0.0%