Build (method = -2) #dp: 7259 Step-3' Graph: 646 vertices and 3119 arcs (0.04s) Step-4' Graph: 645 vertices and 3117 arcs (0.05s) #V4/#V3 = 1.00 #A4/#A3 = 1.00 Ready! (0.05s) Optimize a model with 655 rows, 3118 columns and 8083 nonzeros Presolve removed 111 rows and 222 columns Presolve time: 0.05s Presolved: 544 rows, 2896 columns, 7790 nonzeros Variable types: 0 continuous, 2896 integer (0 binary) Optimize a model with 544 rows, 2896 columns and 7790 nonzeros Presolved: 544 rows, 2896 columns, 7790 nonzeros Root barrier log... Ordering time: 0.00s Barrier statistics: AA' NZ : 4.588e+03 Factor NZ : 2.835e+04 (roughly 2 MBytes of memory) Factor Ops : 2.485e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 2.60359520e+03 -9.94832155e+04 1.72e+05 2.22e-16 2.96e+02 0s 1 4.34893876e+02 -6.97851379e+04 1.74e+04 1.33e-01 3.88e+01 0s 2 2.44594237e+02 -2.43067806e+04 3.75e+03 5.75e-03 8.86e+00 0s 3 2.22652117e+02 -5.29761307e+03 1.37e+03 1.29e-14 2.27e+00 0s 4 1.48076240e+02 -1.62375768e+03 2.57e+02 6.22e-15 5.27e-01 0s 5 1.30872988e+02 -6.37314434e+02 6.03e+01 7.11e-15 1.71e-01 0s 6 1.24813371e+02 -2.31970703e+02 1.49e+00 4.88e-15 6.20e-02 0s 7 6.91328265e+01 -1.70597388e+02 6.53e-13 3.55e-15 4.13e-02 0s 8 5.53230501e+01 -8.73656104e+01 4.24e-13 2.33e-15 2.46e-02 0s 9 4.00039772e+01 -6.44576641e+01 3.23e-13 1.55e-15 1.80e-02 0s 10 3.56655449e+01 -5.06683750e+01 2.84e-13 1.22e-15 1.49e-02 0s 11 3.01635041e+01 -3.82404346e+01 2.26e-13 8.88e-16 1.18e-02 0s 12 2.46780771e+01 -2.40752764e+01 1.75e-13 5.55e-16 8.41e-03 0s 13 2.17890691e+01 -6.34039856e+00 1.51e-13 5.37e-16 4.85e-03 0s 14 1.17254405e+01 -2.43963517e+00 5.89e-14 2.44e-16 2.44e-03 0s 15 1.02259766e+01 7.06811870e-01 4.70e-14 2.22e-16 1.64e-03 0s 16 9.48329730e+00 2.43304513e+00 4.34e-14 2.31e-16 1.22e-03 0s 17 8.41871003e+00 3.88539322e+00 2.74e-14 2.22e-16 7.82e-04 0s 18 8.27188342e+00 5.59358223e+00 2.02e-14 2.54e-16 4.62e-04 0s 19 7.97514419e+00 6.21770080e+00 1.34e-14 2.22e-16 3.03e-04 0s 20 7.67928786e+00 7.04018744e+00 1.36e-13 2.22e-16 1.10e-04 0s 21 7.52311047e+00 7.32690833e+00 4.49e-14 3.22e-16 3.38e-05 0s 22 7.48436126e+00 7.42140719e+00 4.12e-14 3.71e-16 1.09e-05 0s 23 7.47068637e+00 7.46137850e+00 1.33e-14 3.33e-16 1.61e-06 0s 24 7.46704449e+00 7.46691432e+00 4.37e-14 3.39e-16 2.25e-08 0s 25 7.46700004e+00 7.46699991e+00 5.23e-14 1.38e-16 2.25e-11 0s 26 7.46700000e+00 7.46700000e+00 2.21e-14 2.34e-16 2.66e-17 0s Barrier solved model in 26 iterations and 0.10 seconds Optimal objective 7.46700000e+00 Root relaxation: objective 7.467000e+00, 1034 iterations, 0.12 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 7.46700 0 38 - 7.46700 - - 0s H 0 0 8.0000000 7.46700 6.66% - 0s Explored 0 nodes (2785 simplex iterations) in 0.52 seconds Thread count was 1 (of 8 available processors) Optimal solution found (tolerance 0.00e+00) Best objective 8.000000000000e+00, best bound 8.000000000000e+00, gap 0.0% Preprocessing time: 0.06 seconds Gurobi run time: 0.52 seconds Total run time: 0.58 seconds Objective: 8 Solution: 1 x [1, 1, 1, 2, 3, 3, 5, 5, 5, 8, 9, 9, 9, 9, 10] 1 x [1, 1, 1, 2, 3, 3, 5, 5, 5, 6, 9, 10, 10] 1 x [1, 3, 5, 5, 5, 8, 8, 8, 8, 8, 9] 1 x [1, 1, 1, 1, 1, 1, 2, 3, 3, 5, 5, 5, 7, 9, 9, 9, 9] 1 x [1, 1, 1, 2, 2, 3, 3, 5, 5, 5, 7, 7, 7, 9] 1 x [1, 4, 7, 7, 7, 7, 9] 1 x [1, 1, 1, 1, 2, 2, 3, 5, 6, 9, 9, 9, 9, 9] 1 x [1, 1, 2, 2, 2, 4, 9, 9, 9]