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 191524 rows and 35380 columns. MIP Presolve modified 23948 coefficients. Aggregator did 1261 substitutions. Reduced MIP has 61740 rows, 11309 columns, and 244376 nonzeros. Presolve time = 4.50 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 169 -2928.2222 1520 * 0+ 0 -2919.0000 -2928.2222 1520 0.32% 0 0 -2927.0000 74 -2919.0000 Cuts: 315 1590 0.27% * 0+ 0 -2927.0000 -2927.0000 1590 0.00% 0 0 cutoff -2927.0000 -2927.0000 1590 0.00% GUB cover cuts applied: 1 Clique cuts applied: 44 Implied bound cuts applied: 11 Zero-half cuts applied: 17 Gomory fractional cuts applied: 11 >>>>>>> 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 1595.0000. Tried aggregator 5 times. MIP Presolve eliminated 191512 rows and 35371 columns. MIP Presolve modified 23947 coefficients. Aggregator did 1258 substitutions. Reduced MIP has 61755 rows, 11321 columns, and 247330 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 = 10.14 sec. Nodes Cuts/ Node Left Objective IInf Best Integer Best Node ItCnt Gap 0 0 399.6572 685 1595.0000 399.6572 13300 74.94% 0 0 526.5000 26 1595.0000 Cuts: 440 13540 66.99% * 0 0 integral 0 530.0000 Cuts: 13 13553 0.00% 0 0 cutoff 530.0000 530.0000 13553 0.00% Elapsed time = 16.45 sec. (tree size = 0.00 MB, solutions = 2) GUB cover cuts applied: 1 Clique cuts applied: 216 Cover cuts applied: 3 Implied bound cuts applied: 52 Zero-half cuts applied: 13 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 2273.0000. Tried aggregator 5 times. Presolve has eliminated 190952 rows and 35152 columns... Aggregator has done 1206 substitutions... MIP Presolve eliminated 190952 rows and 35152 columns. MIP Presolve modified 23974 coefficients. Aggregator did 1206 substitutions. Reduced MIP has 62367 rows, 11592 columns, and 255511 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 = 13.21 sec. Nodes Cuts/ Node Left Objective IInf Best Integer Best Node ItCnt Gap 0 0 1794.5278 140 2273.0000 1794.5278 20118 21.05% 0 0 1907.0000 24 2273.0000 Cuts: 308 20823 16.10% 0 0 1932.6667 63 2273.0000 Cuts: 34 20874 14.97% * 0+ 0 1942.0000 1932.6667 20876 0.48% 0 0 cutoff 1942.0000 1932.6667 20876 0.48% Elapsed time = 21.25 sec. (tree size = 0.00 MB, solutions = 2) GUB cover cuts applied: 1 Clique cuts applied: 151 Implied bound cuts applied: 16 Zero-half cuts applied: 16 Gomory fractional cuts applied: 10