Gurobi 5.0.1 (linux64) logging started Wed Apr 24 08:39:02 2013 Optimize a model with 95254 rows, 94284 columns and 376554 nonzeros Presolve removed 97 rows and 0 columns Presolve time: 0.48s Presolved: 95157 rows, 94284 columns, 376457 nonzeros Variable types: 94187 continuous, 97 integer (97 binary) Root simplex log... Iteration Objective Primal Inf. Dual Inf. Time 9862 8.1853214e+04 1.086545e+05 0.000000e+00 5s 11602 8.3652782e+04 1.950219e+04 0.000000e+00 10s 13168 8.4136138e+04 6.214116e+02 0.000000e+00 15s 13678 8.4170638e+04 0.000000e+00 0.000000e+00 17s Root relaxation: objective 8.417064e+04, 13678 iterations, 16.99 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 84170.6381 0 69 - 84170.6381 - - 18s H 0 0 149751.00000 84170.6381 43.8% - 25s H 0 0 128114.00000 84170.6381 34.3% - 89s 0 0 107492.532 0 29 128114.000 107492.532 16.1% - 120s 0 0 118486.582 0 7 128114.000 118486.582 7.51% - 132s H 0 0 123603.00000 118486.582 4.14% - 132s 0 0 119378.090 0 4 123603.000 119378.090 3.42% - 134s 0 0 119557.303 0 2 123603.000 119557.303 3.27% - 135s 0 2 119557.875 0 2 123603.000 119557.875 3.27% - 137s H 3 3 123349.00000 119626.462 3.02% 272 139s H 4 4 120757.00000 119636.026 0.93% 329 139s 5 7 119743.463 5 2 120757.000 119636.026 0.93% 397 140s H 9 9 120743.45946 119636.026 0.92% 379 142s 18 13 120244.444 18 1 120743.459 119636.026 0.92% 282 145s * 24 7 24 120280.00000 119636.026 0.54% 235 146s 36 10 120039.225 11 1 120280.000 119772.142 0.42% 253 150s * 37 9 12 120278.00000 119772.142 0.42% 257 150s 69 11 120143.179 5 2 120278.000 120143.179 0.11% 231 155s Cutting planes: Implied bound: 97 Explored 86 nodes (51172 simplex iterations) in 156.38 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.202780000000e+05, best bound 1.202780000000e+05, gap 0.0%