Gurobi 5.0.1 (linux64) logging started Tue Dec 11 04:07:06 2012 Optimize a model with 11910 rows, 11880 columns and 45304 nonzeros Presolve removed 671 rows and 110 columns Presolve time: 0.07s Presolved: 11239 rows, 11770 columns, 43933 nonzeros Variable types: 11069 continuous, 701 integer (701 binary) Root relaxation: objective 2.430071e+05, 1132 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 243007.099 0 23 - 243007.099 - - 0s H 0 0 245867.00000 243007.099 1.16% - 0s H 0 0 244346.00000 243007.099 0.55% - 0s 0 0 243054.592 0 42 244346.000 243054.592 0.53% - 0s 0 0 243082.456 0 43 244346.000 243082.456 0.52% - 0s 0 0 243084.221 0 50 244346.000 243084.221 0.52% - 0s 0 0 243084.298 0 47 244346.000 243084.298 0.52% - 0s 0 0 243084.470 0 46 244346.000 243084.470 0.52% - 0s 0 0 243084.544 0 47 244346.000 243084.544 0.52% - 0s 0 2 243090.461 0 47 244346.000 243090.461 0.51% - 0s * 121 116 112 244242.00000 243141.294 0.45% 5.8 1s H 337 261 243848.00000 243175.726 0.28% 6.0 2s * 339 247 102 243742.00000 243175.726 0.23% 6.0 2s H 364 259 243709.00000 243184.183 0.22% 6.0 2s H 472 335 243633.00000 243186.524 0.18% 6.0 2s H 526 367 243600.00000 243186.524 0.17% 5.7 2s * 539 365 85 243595.00000 243186.524 0.17% 5.7 2s H 700 382 243513.00000 243194.395 0.13% 5.6 3s 864 450 243478.941 61 11 243513.000 243197.386 0.13% 7.8 5s H 2605 1122 243503.00000 243262.779 0.10% 6.9 9s 3067 1369 243498.586 57 12 243503.000 243270.165 0.10% 6.9 10s * 3140 1409 83 243501.00000 243271.680 0.09% 6.9 10s H 3942 1787 243497.00000 243289.099 0.09% 6.8 11s 5536 2563 243470.632 32 15 243497.000 243308.084 0.08% 6.5 15s H 5622 2561 243494.00000 243309.350 0.08% 6.6 15s 8057 3596 243464.479 36 16 243494.000 243327.077 0.07% 6.4 20s 10525 4583 243477.113 29 27 243494.000 243340.311 0.06% 6.3 25s 13409 5529 243493.602 39 21 243494.000 243353.541 0.06% 6.1 30s 16255 6433 cutoff 44 243494.000 243363.978 0.05% 5.9 35s 18932 7126 243469.538 25 25 243494.000 243374.595 0.05% 5.8 40s 21752 7622 243456.640 42 12 243494.000 243384.074 0.05% 5.7 45s 24735 8191 cutoff 34 243494.000 243392.450 0.04% 5.7 50s 27683 8588 243450.027 36 14 243494.000 243400.138 0.04% 5.6 55s 30648 8766 243479.690 44 13 243494.000 243407.889 0.04% 5.5 60s 33451 8986 cutoff 49 243494.000 243414.101 0.03% 5.5 65s 36324 9009 243484.532 60 11 243494.000 243421.000 0.03% 5.4 70s 39204 8756 cutoff 38 243494.000 243428.240 0.03% 5.4 75s 41080 8507 243432.769 46 20 243494.000 243432.769 0.03% 5.4 80s 42001 8377 243485.993 44 47 243494.000 243435.023 0.02% 5.4 86s 42018 8387 243435.023 28 26 243494.000 243435.023 0.02% 5.4 90s Cutting planes: MIR: 131 Flow cover: 8 Explored 42515 nodes (230540 simplex iterations) in 93.20 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.434940000000e+05, best bound 2.434698124448e+05, gap 0.0099%