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 191508 rows and 35377 columns. MIP Presolve modified 23949 coefficients. Aggregator did 1262 substitutions. Reduced MIP has 61755 rows, 11311 columns, and 244435 nonzeros. Presolve time = 4.44 sec. Clique table members: 10608. MIP emphasis: balance optimality and feasibility. MIP search method: dynamic search. Parallel mode: none, using 1 thread. Root relaxation solution time = 0.59 sec. Nodes Cuts/ Node Left Objective IInf Best Integer Best Node ItCnt Gap 0 0 -2928.2222 184 -2928.2222 1566 * 0+ 0 -2920.0000 -2928.2222 1566 0.28% * 0 0 integral 0 -2927.0000 Cuts: 240 1630 0.00% 0 0 cutoff -2927.0000 -2927.0000 1630 0.00% GUB cover cuts applied: 1 Clique cuts applied: 55 Implied bound cuts applied: 13 Zero-half cuts applied: 15 Gomory fractional cuts applied: 13 >>>>>>> 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 1607.0000. Tried aggregator 5 times. MIP Presolve eliminated 191496 rows and 35368 columns. MIP Presolve modified 23947 coefficients. Aggregator did 1259 substitutions. Reduced MIP has 61770 rows, 11323 columns, and 247390 nonzeros. Presolve time = 4.50 sec. Clique table members: 10583. MIP emphasis: balance optimality and feasibility. MIP search method: dynamic search. Parallel mode: none, using 1 thread. Root relaxation solution time = 9.89 sec. Nodes Cuts/ Node Left Objective IInf Best Integer Best Node ItCnt Gap 0 0 399.6572 691 1607.0000 399.6572 13610 75.13% 0 0 529.5000 20 1607.0000 Cuts: 394 13855 67.05% * 0+ 0 532.0000 529.5000 13855 0.47% 0 0 cutoff 532.0000 529.5000 13858 0.47% Elapsed time = 16.10 sec. (tree size = 0.00 MB, solutions = 2) GUB cover cuts applied: 1 Clique cuts applied: 87 Cover cuts applied: 2 Implied bound cuts applied: 45 Zero-half cuts applied: 36 Gomory fractional cuts applied: 7 >>>>>>> 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 2365.0000. Tried aggregator 5 times. Presolve has eliminated 190936 rows and 35149 columns... Aggregator has done 1207 substitutions... MIP Presolve eliminated 190936 rows and 35149 columns. MIP Presolve modified 23975 coefficients. Aggregator did 1207 substitutions. Reduced MIP has 62382 rows, 11594 columns, and 255572 nonzeros. Presolve time = 5.18 sec. Clique table members: 10414. MIP emphasis: balance optimality and feasibility. MIP search method: dynamic search. Parallel mode: none, using 1 thread. Root relaxation solution time = 13.29 sec. Nodes Cuts/ Node Left Objective IInf Best Integer Best Node ItCnt Gap 0 0 1792.4167 139 2365.0000 1792.4167 20774 24.21% 0 0 1994.1250 52 2365.0000 Cuts: 325 21608 15.68% 0 0 2009.6667 63 2365.0000 Cuts: 54 21633 15.02% * 0+ 0 2019.0000 2009.6667 21635 0.46% 0 0 cutoff 2019.0000 2009.6667 21635 0.46% Elapsed time = 21.36 sec. (tree size = 0.00 MB, solutions = 2) GUB cover cuts applied: 1 Clique cuts applied: 92 Implied bound cuts applied: 26 Zero-half cuts applied: 14 Gomory fractional cuts applied: 6