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 191630 rows and 35385 columns. MIP Presolve modified 23950 coefficients. Aggregator did 1260 substitutions. Reduced MIP has 61635 rows, 11305 columns, and 243935 nonzeros. Presolve time = 4.43 sec. Clique table members: 10622. 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 179 -2928.2222 1630 * 0+ 0 -2919.0000 -2928.2222 1630 0.32% 0 0 -2927.0000 80 -2919.0000 Cuts: 350 1730 0.27% * 0+ 0 -2924.0000 -2927.0000 1730 0.10% 0 0 -2927.0000 4 -2924.0000 Cuts: 28 1740 0.10% * 0+ 0 -2927.0000 -2927.0000 1740 0.00% 0 0 cutoff -2927.0000 -2927.0000 1740 0.00% GUB cover cuts applied: 1 Clique cuts applied: 70 Cover cuts applied: 1 Implied bound cuts applied: 19 Zero-half cuts applied: 31 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 1615.0000. Tried aggregator 5 times. MIP Presolve eliminated 191617 rows and 35375 columns. MIP Presolve modified 23948 coefficients. Aggregator did 1257 substitutions. Reduced MIP has 61651 rows, 11318 columns, and 246896 nonzeros. Presolve time = 4.47 sec. Clique table members: 10594. MIP emphasis: balance optimality and feasibility. MIP search method: dynamic search. Parallel mode: none, using 1 thread. Root relaxation solution time = 10.25 sec. Nodes Cuts/ Node Left Objective IInf Best Integer Best Node ItCnt Gap 0 0 400.5992 685 1615.0000 400.5992 13898 75.20% 0 0 527.5000 26 1615.0000 Cuts: 470 14148 67.34% * 0 0 integral 0 531.0000 Cuts: 12 14155 0.00% 0 0 cutoff 531.0000 531.0000 14155 0.00% Elapsed time = 16.64 sec. (tree size = 0.00 MB, solutions = 2) GUB cover cuts applied: 1 Clique cuts applied: 219 Cover cuts applied: 3 Implied bound cuts applied: 43 Zero-half cuts applied: 32 Gomory fractional cuts applied: 4 >>>>>>> Objval = 531.000000 (int)531 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 2299.0000. Tried aggregator 5 times. Presolve has eliminated 191055 rows and 35153 columns... Aggregator has done 1205 substitutions... MIP Presolve eliminated 191055 rows and 35153 columns. MIP Presolve modified 23976 coefficients. Aggregator did 1205 substitutions. Reduced MIP has 62265 rows, 11592 columns, and 255102 nonzeros. Presolve time = 5.17 sec. Clique table members: 10415. MIP emphasis: balance optimality and feasibility. MIP search method: dynamic search. Parallel mode: none, using 1 thread. Root relaxation solution time = 13.15 sec. Nodes Cuts/ Node Left Objective IInf Best Integer Best Node ItCnt Gap 0 0 1795.5278 136 2299.0000 1795.5278 20529 21.90% 0 0 1908.0000 24 2299.0000 Cuts: 304 21238 17.01% 0 0 1927.5000 35 2299.0000 Cuts: 14 21258 16.16% * 0+ 0 1943.0000 1927.5000 21277 0.80% 0 0 cutoff 1943.0000 1927.5000 21277 0.80% Elapsed time = 20.70 sec. (tree size = 0.00 MB, solutions = 2) GUB cover cuts applied: 1 Clique cuts applied: 140 Implied bound cuts applied: 10 Zero-half cuts applied: 13 Gomory fractional cuts applied: 7