Gurobi 5.0.1 (linux64) logging started Wed Apr 24 12:36:43 2013 Optimize a model with 2090 rows, 361190 columns and 722190 nonzeros Presolve time: 2.29s Presolved: 2090 rows, 361190 columns, 722190 nonzeros Variable types: 361000 continuous, 190 integer (190 binary) Root relaxation: objective 3.788866e+05, 12806 iterations, 1.47 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 378886.604 0 5 - 378886.604 - - 4s H 0 0 396191.00000 378886.604 4.37% - 4s 0 0 379002.453 0 4 396191.000 379002.453 4.34% - 6s H 0 0 395454.07431 379002.453 4.16% - 6s H 0 0 394642.00000 379002.453 3.96% - 6s 0 0 379060.517 0 3 394642.000 379060.517 3.95% - 7s 0 0 379078.355 0 5 394642.000 379078.355 3.94% - 8s 0 0 379100.776 0 4 394642.000 379100.776 3.94% - 9s 0 0 379109.443 0 4 394642.000 379109.443 3.94% - 10s H 0 0 389038.00000 379109.443 2.55% - 10s 0 0 379109.443 0 4 389038.000 379109.443 2.55% - 10s 0 0 379109.443 0 4 389038.000 379109.443 2.55% - 11s H 0 0 388965.00000 379109.443 2.53% - 11s 0 0 379109.443 0 4 388965.000 379109.443 2.53% - 12s 0 0 379109.443 0 4 388965.000 379109.443 2.53% - 13s H 0 0 388897.00000 379109.443 2.52% - 14s 0 0 379109.443 0 5 388897.000 379109.443 2.52% - 17s 0 0 379109.443 0 4 388897.000 379109.443 2.52% - 18s 0 0 379109.443 0 3 388897.000 379109.443 2.52% - 19s 0 0 379109.443 0 5 388897.000 379109.443 2.52% - 19s 0 0 379109.443 0 4 388897.000 379109.443 2.52% - 20s 0 0 379109.443 0 4 388897.000 379109.443 2.52% - 21s 0 0 379109.443 0 4 388897.000 379109.443 2.52% - 21s 0 0 379109.443 0 4 388897.000 379109.443 2.52% - 22s 0 0 379109.443 0 4 388897.000 379109.443 2.52% - 23s 0 0 379109.443 0 4 388897.000 379109.443 2.52% - 24s H 0 0 388857.00000 379109.443 2.51% - 25s 0 2 379139.123 0 4 388857.000 379139.123 2.50% - 26s H 4 4 386712.82787 379274.794 1.92% 149 27s H 5 5 379764.00000 379312.353 0.12% 143 27s H 10 5 379708.00000 379325.977 0.10% 103 28s * 13 5 13 379659.00000 379325.977 0.09% 90.9 28s 22 6 cutoff 8 379659.000 379325.987 0.09% 112 30s Cutting planes: Implied bound: 120 Flow cover: 7 Explored 29 nodes (31090 simplex iterations) in 30.85 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 3.796590000000e+05, best bound 3.796590000000e+05, gap 0.0%