Gurobi 5.0.1 (linux64) logging started Wed Apr 24 07:20:57 2013 Optimize a model with 1034 rows, 88454 columns and 176814 nonzeros Presolve time: 0.15s Presolved: 1034 rows, 88454 columns, 176814 nonzeros Variable types: 88360 continuous, 94 integer (94 binary) Root relaxation: objective 1.128627e+05, 2967 iterations, 0.12 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 112862.663 0 7 - 112862.663 - - 0s H 0 0 123249.00000 112862.663 8.43% - 0s 0 0 113303.438 0 8 123249.000 113303.438 8.07% - 0s 0 0 113416.516 0 6 123249.000 113416.516 7.98% - 1s H 0 0 122399.25078 113416.516 7.34% - 1s H 0 0 120983.00000 113416.516 6.25% - 1s 0 0 113432.102 0 6 120983.000 113432.102 6.24% - 1s 0 0 113443.018 0 5 120983.000 113443.018 6.23% - 1s H 0 0 120806.00000 113443.018 6.09% - 1s 0 0 113443.945 0 6 120806.000 113443.945 6.09% - 1s 0 0 113444.387 0 6 120806.000 113444.387 6.09% - 1s 0 0 113454.224 0 5 120806.000 113454.224 6.09% - 2s H 0 0 120767.00000 113454.224 6.06% - 2s 0 0 113455.115 0 5 120767.000 113455.115 6.05% - 2s H 0 0 120705.00000 113455.115 6.01% - 2s 0 0 113455.115 0 5 120705.000 113455.115 6.01% - 2s 0 0 113455.115 0 5 120705.000 113455.115 6.01% - 2s 0 2 113455.248 0 5 120705.000 113455.248 6.01% - 3s H 2 2 117981.03119 113471.183 3.82% 52.0 3s H 3 3 115907.36461 113473.639 2.10% 37.0 3s H 7 7 115640.00000 113493.916 1.86% 48.4 3s H 9 9 114648.00000 113493.916 1.01% 38.4 3s H 10 8 114071.00000 113493.916 0.51% 35.8 3s H 12 6 113657.38462 113493.916 0.14% 34.1 3s * 17 6 16 113631.00000 113493.916 0.12% 32.4 3s * 23 0 14 113621.00000 113621.000 0.0% 36.1 4s Cutting planes: Implied bound: 120 Flow cover: 7 Explored 24 nodes (4600 simplex iterations) in 4.01 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.136210000000e+05, best bound 1.136210000000e+05, gap 0.0%