Warning: Output names have been modified to conform to LP format. Default row names c1, c2 ... being created. Tried aggregator 5 times. Presolve has eliminated 191522 rows and 35380 columns... Aggregator has done 1261 substitutions... MIP Presolve eliminated 191522 rows and 35380 columns. MIP Presolve modified 23948 coefficients. Aggregator did 1261 substitutions. Reduced MIP has 61742 rows, 11309 columns, and 244382 nonzeros. Presolve time = 5.29 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 = 0.66 sec. Nodes Cuts/ Node Left Objective IInf Best Integer Best Node ItCnt Gap 0 0 -2928.2222 173 -2928.2222 1622 * 0+ 0 -2919.0000 -2928.2222 1622 0.32% 0 0 -2927.0000 72 -2919.0000 Cuts: 353 1701 0.27% * 0 0 integral 0 -2927.0000 Cuts: 41 1712 0.00% 0 0 cutoff -2927.0000 -2927.0000 1712 0.00% GUB cover cuts applied: 3 Clique cuts applied: 82 Cover cuts applied: 1 Implied bound cuts applied: 25 Zero-half cuts applied: 26 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 1612.0000. Presolve has eliminated 183167 rows and 35149 columns... Aggregator has done 1257 substitutions... Tried aggregator 5 times. MIP Presolve eliminated 191510 rows and 35371 columns. MIP Presolve modified 23946 coefficients. Aggregator did 1258 substitutions. Reduced MIP has 61757 rows, 11321 columns, and 247336 nonzeros. Presolve time = 5.36 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 = 10.28 sec. Nodes Cuts/ Node Left Objective IInf Best Integer Best Node ItCnt Gap 0 0 399.6572 687 1612.0000 399.6572 13898 75.21% 0 0 526.5000 34 1612.0000 Cuts: 472 14167 67.34% 0 0 530.0000 6 1612.0000 Cuts: 13 14180 67.12% * 0+ 0 530.0000 530.0000 14180 0.00% 0 0 cutoff 530.0000 530.0000 14180 0.00% Elapsed time = 18.23 sec. (tree size = 0.00 MB, solutions = 2) GUB cover cuts applied: 1 Clique cuts applied: 219 Cover cuts applied: 3 Implied bound cuts applied: 38 Zero-half cuts applied: 46 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 2304.0000. Tried aggregator 5 times. Presolve has eliminated 190950 rows and 35152 columns... Aggregator has done 1206 substitutions... MIP Presolve eliminated 190950 rows and 35152 columns. MIP Presolve modified 23973 coefficients. Aggregator did 1206 substitutions. Reduced MIP has 62369 rows, 11592 columns, and 255517 nonzeros. Presolve time = 5.26 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 = 13.26 sec. Nodes Cuts/ Node Left Objective IInf Best Integer Best Node ItCnt Gap 0 0 1794.5278 130 2304.0000 1794.5278 20317 22.11% 0 0 1907.0000 24 2304.0000 Cuts: 292 21181 17.23% 0 0 1926.5000 35 2304.0000 Cuts: 14 21200 16.38% * 0+ 0 1942.0000 1926.5000 21231 0.80% 0 0 cutoff 1942.0000 1926.5000 21231 0.80% Elapsed time = 21.08 sec. (tree size = 0.00 MB, solutions = 2) GUB cover cuts applied: 1 Clique cuts applied: 137 Implied bound cuts applied: 9 Zero-half cuts applied: 11 Gomory fractional cuts applied: 7