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 191556 rows and 35380 columns. MIP Presolve modified 23949 coefficients. Aggregator did 1261 substitutions. Reduced MIP has 61708 rows, 11309 columns, and 244248 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 = 0.56 sec. Nodes Cuts/ Node Left Objective IInf Best Integer Best Node ItCnt Gap 0 0 -2928.2222 174 -2928.2222 1403 * 0+ 0 -2919.0000 -2928.2222 1403 0.32% 0 0 -2927.0000 82 -2919.0000 Cuts: 335 1513 0.27% * 0+ 0 -2923.0000 -2927.0000 1513 0.14% * 0 0 integral 0 -2927.0000 Cuts: 26 1530 0.00% 0 0 cutoff -2927.0000 -2927.0000 1530 0.00% GUB cover cuts applied: 1 Clique cuts applied: 63 Cover cuts applied: 1 Implied bound cuts applied: 19 Zero-half cuts applied: 25 Gomory fractional cuts applied: 15 >>>>>>> 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 1621.0000. Tried aggregator 5 times. MIP Presolve eliminated 191544 rows and 35371 columns. MIP Presolve modified 23947 coefficients. Aggregator did 1258 substitutions. Reduced MIP has 61723 rows, 11321 columns, and 247202 nonzeros. Presolve time = 4.48 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 = 10.48 sec. Nodes Cuts/ Node Left Objective IInf Best Integer Best Node ItCnt Gap 0 0 399.6572 682 1621.0000 399.6572 13860 75.35% 0 0 526.5000 26 1621.0000 Cuts: 436 14091 67.52% * 0 0 integral 0 530.0000 Cuts: 14 14098 0.00% 0 0 cutoff 530.0000 530.0000 14098 0.00% Elapsed time = 16.88 sec. (tree size = 0.00 MB, solutions = 2) GUB cover cuts applied: 1 Clique cuts applied: 213 Cover cuts applied: 3 Implied bound cuts applied: 33 Zero-half cuts applied: 34 Gomory fractional cuts applied: 4 >>>>>>> Objval = 530.000000 (int)530 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 2275.0000. Tried aggregator 5 times. Presolve has eliminated 190984 rows and 35152 columns... Aggregator has done 1206 substitutions... MIP Presolve eliminated 190984 rows and 35152 columns. MIP Presolve modified 23974 coefficients. Aggregator did 1206 substitutions. Reduced MIP has 62335 rows, 11592 columns, and 255383 nonzeros. Presolve time = 5.13 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 = 12.71 sec. Nodes Cuts/ Node Left Objective IInf Best Integer Best Node ItCnt Gap 0 0 1794.5278 136 2275.0000 1794.5278 20744 21.12% 0 0 1907.0000 24 2275.0000 Cuts: 302 21553 16.18% 0 0 1932.6667 63 2275.0000 Cuts: 55 21593 15.05% * 0+ 0 1942.0000 1932.6667 21595 0.48% 0 0 cutoff 1942.0000 1932.6667 21595 0.48% Elapsed time = 20.74 sec. (tree size = 0.00 MB, solutions = 2) GUB cover cuts applied: 1 Clique cuts applied: 162 Implied bound cuts applied: 22 Zero-half cuts applied: 13 Gomory fractional cuts applied: 8