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 191528 rows and 35380 columns. MIP Presolve modified 23949 coefficients. Aggregator did 1261 substitutions. Reduced MIP has 61736 rows, 11309 columns, and 244360 nonzeros. Presolve time = 4.46 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 = 0.67 sec. Nodes Cuts/ Node Left Objective IInf Best Integer Best Node ItCnt Gap 0 0 -2928.2222 204 -2928.2222 1517 * 0+ 0 -2919.0000 -2928.2222 1517 0.32% 0 0 -2927.0000 72 -2919.0000 Cuts: 365 1596 0.27% * 0 0 integral 0 -2927.0000 Cuts: 42 1610 0.00% 0 0 cutoff -2927.0000 -2927.0000 1610 0.00% GUB cover cuts applied: 1 Clique cuts applied: 77 Cover cuts applied: 1 Implied bound cuts applied: 27 Zero-half cuts applied: 27 Gomory fractional cuts applied: 16 >>>>>>> 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 1636.0000. Tried aggregator 5 times. MIP Presolve eliminated 191516 rows and 35371 columns. MIP Presolve modified 23946 coefficients. Aggregator did 1258 substitutions. Reduced MIP has 61751 rows, 11321 columns, and 247314 nonzeros. Presolve time = 4.47 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 = 10.34 sec. Nodes Cuts/ Node Left Objective IInf Best Integer Best Node ItCnt Gap 0 0 399.6572 691 1636.0000 399.6572 13444 75.57% 0 0 526.5000 26 1636.0000 Cuts: 484 13662 67.82% * 0 0 integral 0 530.0000 Cuts: 13 13668 0.00% 0 0 cutoff 530.0000 530.0000 13668 0.00% Elapsed time = 16.73 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: 58 Zero-half cuts applied: 30 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 2289.0000. Tried aggregator 5 times. Presolve has eliminated 190956 rows and 35152 columns... Aggregator has done 1206 substitutions... MIP Presolve eliminated 190956 rows and 35152 columns. MIP Presolve modified 23974 coefficients. Aggregator did 1206 substitutions. Reduced MIP has 62363 rows, 11592 columns, and 255495 nonzeros. Presolve time = 5.14 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 = 12.72 sec. Nodes Cuts/ Node Left Objective IInf Best Integer Best Node ItCnt Gap 0 0 1794.5278 138 2289.0000 1794.5278 20050 21.60% 0 0 1907.0000 24 2289.0000 Cuts: 302 20941 16.69% 0 0 1926.5000 35 2289.0000 Cuts: 14 20962 15.84% * 0+ 0 1942.0000 1926.5000 20994 0.80% 0 0 cutoff 1942.0000 1926.5000 20994 0.80% Elapsed time = 20.38 sec. (tree size = 0.00 MB, solutions = 2) GUB cover cuts applied: 1 Clique cuts applied: 139 Implied bound cuts applied: 9 Zero-half cuts applied: 11 Gomory fractional cuts applied: 9