Warning: Output names have been modified to conform to LP format. Default row names c1, c2 ... being created. Tried aggregator 5 times. MIP Presolve eliminated 191493 rows and 35375 columns. MIP Presolve modified 23950 coefficients. Aggregator did 1263 substitutions. Reduced MIP has 61769 rows, 11312 columns, and 244488 nonzeros. Presolve time = 4.46 sec. Clique table members: 10609. MIP emphasis: balance optimality and feasibility. MIP search method: dynamic search. Parallel mode: none, using 1 thread. Root relaxation solution time = 0.54 sec. Nodes Cuts/ Node Left Objective IInf Best Integer Best Node ItCnt Gap 0 0 -2928.2222 190 -2928.2222 1493 * 0+ 0 -2920.0000 -2928.2222 1493 0.28% 0 0 -2927.0000 17 -2920.0000 Cuts: 276 1605 0.24% * 0+ 0 -2927.0000 -2927.0000 1605 0.00% 0 0 cutoff -2927.0000 -2927.0000 1605 0.00% GUB cover cuts applied: 2 Clique cuts applied: 66 Implied bound cuts applied: 23 Zero-half cuts applied: 22 Gomory fractional cuts applied: 16 >>>>>>> Objval = -2927.000000 (int)-2927 Warning: Output names have been modified to conform to LP format. Default row names c1, c2 ... being created. MIP start values provide initial solution with objective 1598.0000. Tried aggregator 5 times. MIP Presolve eliminated 191481 rows and 35366 columns. MIP Presolve modified 23949 coefficients. Aggregator did 1260 substitutions. Reduced MIP has 61784 rows, 11324 columns, and 247443 nonzeros. Presolve time = 4.47 sec. Clique table members: 10584. MIP emphasis: balance optimality and feasibility. MIP search method: dynamic search. Parallel mode: none, using 1 thread. Root relaxation solution time = 10.42 sec. Nodes Cuts/ Node Left Objective IInf Best Integer Best Node ItCnt Gap 0 0 400.1016 685 1598.0000 400.1016 13600 74.96% 0 0 530.0000 26 1598.0000 Cuts: 411 13859 66.83% * 0+ 0 532.0000 530.0000 13859 0.38% 0 0 cutoff 532.0000 Cuts: 11 13862 0.00% 0 0 cutoff 532.0000 532.0000 13862 0.00% Elapsed time = 16.95 sec. (tree size = 0.00 MB, solutions = 2) GUB cover cuts applied: 1 Clique cuts applied: 95 Cover cuts applied: 3 Implied bound cuts applied: 59 Zero-half cuts applied: 53 Gomory fractional cuts applied: 10 >>>>>>> Objval = 532.000000 (int)532 Warning: Output names have been modified to conform to LP format. Default row names c1, c2 ... being created. MIP start values provide initial solution with objective 2363.0000. Tried aggregator 5 times. Presolve has eliminated 190921 rows and 35147 columns... Aggregator has done 1208 substitutions... MIP Presolve eliminated 190921 rows and 35147 columns. MIP Presolve modified 23975 coefficients. Aggregator did 1208 substitutions. Reduced MIP has 62396 rows, 11595 columns, and 255626 nonzeros. Presolve time = 5.18 sec. Clique table members: 10415. MIP emphasis: balance optimality and feasibility. MIP search method: dynamic search. Parallel mode: none, using 1 thread. Root relaxation solution time = 12.89 sec. Nodes Cuts/ Node Left Objective IInf Best Integer Best Node ItCnt Gap 0 0 1794.7500 140 2363.0000 1794.7500 21628 24.05% 0 0 1995.1250 52 2363.0000 Cuts: 332 22465 15.57% 0 0 2010.6667 63 2363.0000 Cuts: 48 22492 14.91% * 0+ 0 2020.0000 2010.6667 22494 0.46% 0 0 cutoff 2020.0000 2010.6667 22494 0.46% Elapsed time = 21.11 sec. (tree size = 0.00 MB, solutions = 2) GUB cover cuts applied: 1 Clique cuts applied: 84 Implied bound cuts applied: 25 Zero-half cuts applied: 11 Gomory fractional cuts applied: 5