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 191759 rows and 35384 columns. MIP Presolve modified 23944 coefficients. Aggregator did 1265 substitutions. Reduced MIP has 61501 rows, 11301 columns, and 243518 nonzeros. Presolve time = 4.47 sec. Clique table members: 10611. MIP emphasis: balance optimality and feasibility. MIP search method: dynamic search. Parallel mode: none, using 1 thread. Root relaxation solution time = 0.60 sec. Nodes Cuts/ Node Left Objective IInf Best Integer Best Node ItCnt Gap 0 0 -2928.2222 170 -2928.2222 1538 * 0+ 0 -2919.0000 -2928.2222 1538 0.32% 0 0 -2927.0000 74 -2919.0000 Cuts: 325 1665 0.27% * 0+ 0 -2923.0000 -2927.0000 1665 0.14% * 0 0 integral 0 -2927.0000 Cuts: 41 1683 0.00% 0 0 cutoff -2927.0000 -2927.0000 1683 0.00% GUB cover cuts applied: 1 Clique cuts applied: 73 Implied bound cuts applied: 18 Zero-half cuts applied: 23 Gomory fractional cuts applied: 14 >>>>>>> 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 1587.0000. Tried aggregator 5 times. MIP Presolve eliminated 191747 rows and 35375 columns. MIP Presolve modified 23943 coefficients. Aggregator did 1262 substitutions. Reduced MIP has 61516 rows, 11313 columns, and 246469 nonzeros. Presolve time = 4.50 sec. Clique table members: 10586. MIP emphasis: balance optimality and feasibility. MIP search method: dynamic search. Parallel mode: none, using 1 thread. Root relaxation solution time = 9.88 sec. Nodes Cuts/ Node Left Objective IInf Best Integer Best Node ItCnt Gap 0 0 399.6572 692 1587.0000 399.6572 13281 74.82% 0 0 526.5000 26 1587.0000 Cuts: 458 13513 66.82% * 0 0 integral 0 530.0000 Cuts: 13 13527 0.00% 0 0 cutoff 530.0000 530.0000 13527 0.00% Elapsed time = 16.23 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: 27 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 2286.0000. Tried aggregator 5 times. Presolve has eliminated 191187 rows and 35156 columns... Aggregator has done 1209 substitutions... MIP Presolve eliminated 191187 rows and 35156 columns. MIP Presolve modified 23970 coefficients. Aggregator did 1209 substitutions. Reduced MIP has 62129 rows, 11585 columns, and 254650 nonzeros. Presolve time = 5.17 sec. Clique table members: 10418. MIP emphasis: balance optimality and feasibility. MIP search method: dynamic search. Parallel mode: none, using 1 thread. Root relaxation solution time = 12.37 sec. Nodes Cuts/ Node Left Objective IInf Best Integer Best Node ItCnt Gap 0 0 1795.5278 138 2286.0000 1795.5278 20802 21.46% 0 0 1908.0000 24 2286.0000 Cuts: 304 21636 16.54% 0 0 1933.6667 63 2286.0000 Cuts: 73 21681 15.41% * 0+ 0 1943.0000 1933.6667 21683 0.48% 0 0 cutoff 1943.0000 1933.6667 21683 0.48% Elapsed time = 20.38 sec. (tree size = 0.00 MB, solutions = 2) GUB cover cuts applied: 1 Clique cuts applied: 172 Implied bound cuts applied: 29 Zero-half cuts applied: 15 Gomory fractional cuts applied: 9