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 191521 rows and 35380 columns. MIP Presolve modified 23949 coefficients. Aggregator did 1261 substitutions. Reduced MIP has 61743 rows, 11309 columns, and 244388 nonzeros. Presolve time = 4.48 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 = 0.58 sec. Nodes Cuts/ Node Left Objective IInf Best Integer Best Node ItCnt Gap 0 0 -2928.2222 130 -2928.2222 1446 * 0+ 0 -2920.0000 -2928.2222 1446 0.28% 0 0 -2927.0000 78 -2920.0000 Cuts: 329 1542 0.24% * 0+ 0 -2923.0000 -2927.0000 1542 0.14% * 0 0 integral 0 -2927.0000 Cuts: 11 1556 0.00% 0 0 cutoff -2927.0000 -2927.0000 1556 0.00% GUB cover cuts applied: 2 Clique cuts applied: 89 Cover cuts applied: 1 Implied bound cuts applied: 22 Zero-half cuts applied: 21 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 1608.0000. Tried aggregator 5 times. MIP Presolve eliminated 191509 rows and 35371 columns. MIP Presolve modified 23948 coefficients. Aggregator did 1258 substitutions. Reduced MIP has 61758 rows, 11321 columns, and 247342 nonzeros. Presolve time = 4.49 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 = 10.17 sec. Nodes Cuts/ Node Left Objective IInf Best Integer Best Node ItCnt Gap 0 0 399.6572 688 1608.0000 399.6572 13444 75.15% 0 0 526.5000 26 1608.0000 Cuts: 435 13758 67.26% * 0+ 0 530.0000 526.5000 13758 0.66% 0 0 cutoff 530.0000 Cuts: 9 13769 0.00% 0 0 cutoff 530.0000 530.0000 13769 0.00% Elapsed time = 16.55 sec. (tree size = 0.00 MB, solutions = 2) GUB cover cuts applied: 1 Clique cuts applied: 217 Cover cuts applied: 3 Implied bound cuts applied: 35 Zero-half cuts applied: 18 Gomory fractional cuts applied: 5 >>>>>>> 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 2285.0000. Tried aggregator 5 times. Presolve has eliminated 190949 rows and 35152 columns... Aggregator has done 1206 substitutions... MIP Presolve eliminated 190949 rows and 35152 columns. MIP Presolve modified 23974 coefficients. Aggregator did 1206 substitutions. Reduced MIP has 62370 rows, 11592 columns, and 255523 nonzeros. Presolve time = 5.16 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 = 12.54 sec. Nodes Cuts/ Node Left Objective IInf Best Integer Best Node ItCnt Gap 0 0 1794.5278 139 2285.0000 1794.5278 19841 21.46% 0 0 1907.0000 24 2285.0000 Cuts: 309 20682 16.54% 0 0 1932.6667 63 2285.0000 Cuts: 72 20744 15.42% * 0+ 0 1942.0000 1932.6667 20746 0.48% 0 0 cutoff 1942.0000 1932.6667 20746 0.48% Elapsed time = 20.49 sec. (tree size = 0.00 MB, solutions = 2) GUB cover cuts applied: 1 Clique cuts applied: 173 Implied bound cuts applied: 29 Zero-half cuts applied: 16 Gomory fractional cuts applied: 10