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 191541 rows and 35380 columns. MIP Presolve modified 23948 coefficients. Aggregator did 1261 substitutions. Reduced MIP has 61723 rows, 11309 columns, and 244287 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 = 0.63 sec. Nodes Cuts/ Node Left Objective IInf Best Integer Best Node ItCnt Gap 0 0 -2928.2222 161 -2928.2222 1523 * 0+ 0 -2919.0000 -2928.2222 1523 0.32% 0 0 -2927.0000 84 -2919.0000 Cuts: 365 1607 0.27% * 0 0 integral 0 -2927.0000 Cuts: 12 1610 0.00% 0 0 cutoff -2927.0000 -2927.0000 1610 0.00% GUB cover cuts applied: 2 Clique cuts applied: 79 Cover cuts applied: 1 Implied bound cuts applied: 22 Zero-half cuts applied: 25 Gomory fractional cuts applied: 12 >>>>>>> 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 1614.0000. Tried aggregator 5 times. MIP Presolve eliminated 191529 rows and 35371 columns. MIP Presolve modified 23946 coefficients. Aggregator did 1258 substitutions. Reduced MIP has 61738 rows, 11321 columns, and 247241 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 = 10.08 sec. Nodes Cuts/ Node Left Objective IInf Best Integer Best Node ItCnt Gap 0 0 399.6572 686 1614.0000 399.6572 13041 75.24% 0 0 526.5000 26 1614.0000 Cuts: 426 13300 67.38% * 0 0 integral 0 530.0000 Cuts: 12 13311 0.00% 0 0 cutoff 530.0000 530.0000 13311 0.00% Elapsed time = 16.32 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: 38 Zero-half cuts applied: 11 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 2290.0000. Tried aggregator 5 times. Presolve has eliminated 190969 rows and 35152 columns... Aggregator has done 1206 substitutions... MIP Presolve eliminated 190969 rows and 35152 columns. MIP Presolve modified 23974 coefficients. Aggregator did 1206 substitutions. Reduced MIP has 62350 rows, 11592 columns, and 255422 nonzeros. Presolve time = 5.15 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 = 12.42 sec. Nodes Cuts/ Node Left Objective IInf Best Integer Best Node ItCnt Gap 0 0 1794.5278 133 2290.0000 1794.5278 20224 21.64% 0 0 1907.0000 24 2290.0000 Cuts: 295 20995 16.72% 0 0 1932.6667 63 2290.0000 Cuts: 72 21038 15.60% * 0 0 integral 0 1942.0000 Cuts: 16 21040 0.00% 0 0 cutoff 1942.0000 1942.0000 21040 0.00% Elapsed time = 20.54 sec. (tree size = 0.00 MB, solutions = 2) GUB cover cuts applied: 1 Clique cuts applied: 170 Implied bound cuts applied: 36 Zero-half cuts applied: 15 Gomory fractional cuts applied: 6