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 191106 rows and 35287 columns. MIP Presolve modified 23988 coefficients. Aggregator did 1255 substitutions. Reduced MIP has 62164 rows, 11408 columns, and 245946 nonzeros. Presolve time = 4.47 sec. Clique table members: 10724. 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 -2924.2222 324 -2924.2222 2219 * 0+ 0 -2914.0000 -2924.2222 2219 0.35% 0 0 -2919.0000 36 -2914.0000 Cuts: 471 2347 0.17% * 0+ 0 -2918.0000 -2919.0000 2347 0.03% * 0 0 integral 0 -2919.0000 ZeroHalf: 3 2350 0.00% 0 0 cutoff -2919.0000 -2919.0000 2350 0.00% GUB cover cuts applied: 1 Clique cuts applied: 189 Cover cuts applied: 2 Implied bound cuts applied: 37 Zero-half cuts applied: 29 Gomory fractional cuts applied: 20 >>>>>>> Objval = -2919.000000 (int)-2919 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 1535.0000. Tried aggregator 5 times. MIP Presolve eliminated 191094 rows and 35278 columns. MIP Presolve modified 23987 coefficients. Aggregator did 1252 substitutions. Reduced MIP has 62179 rows, 11420 columns, and 248900 nonzeros. Presolve time = 4.51 sec. Clique table members: 10699. MIP emphasis: balance optimality and feasibility. MIP search method: dynamic search. Parallel mode: none, using 1 thread. Root relaxation solution time = 10.01 sec. Nodes Cuts/ Node Left Objective IInf Best Integer Best Node ItCnt Gap 0 0 195.1861 337 1535.0000 195.1861 12857 87.28% 0 0 427.5000 20 1535.0000 Cuts: 695 13495 72.15% * 0+ 0 430.0000 427.5000 13495 0.58% 0 0 cutoff 430.0000 Cuts: 14 13499 0.00% 0 0 cutoff 430.0000 430.0000 13499 0.00% Elapsed time = 16.90 sec. (tree size = 0.00 MB, solutions = 2) GUB cover cuts applied: 1 Clique cuts applied: 366 Cover cuts applied: 3 Implied bound cuts applied: 92 Zero-half cuts applied: 41 Gomory fractional cuts applied: 4 >>>>>>> Objval = 430.000000 (int)429 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 2369.0000. Tried aggregator 5 times. Presolve has eliminated 190913 rows and 35144 columns... Aggregator has done 1207 substitutions... MIP Presolve eliminated 190913 rows and 35144 columns. MIP Presolve modified 23982 coefficients. Aggregator did 1207 substitutions. Reduced MIP has 62405 rows, 11599 columns, and 255734 nonzeros. Presolve time = 5.18 sec. Clique table members: 10417. MIP emphasis: balance optimality and feasibility. MIP search method: dynamic search. Parallel mode: none, using 1 thread. Root relaxation solution time = 13.09 sec. Nodes Cuts/ Node Left Objective IInf Best Integer Best Node ItCnt Gap 0 0 1858.9444 346 2369.0000 1858.9444 20555 21.53% 0 0 2037.3750 54 2369.0000 Cuts: 275 22479 14.00% 0 0 2056.6667 63 2369.0000 Cuts: 73 22515 13.18% * 0+ 0 2066.0000 2056.6667 22517 0.45% 0 0 cutoff 2066.0000 2056.6667 22517 0.45% Elapsed time = 22.08 sec. (tree size = 0.00 MB, solutions = 2) GUB cover cuts applied: 1 Clique cuts applied: 158 Implied bound cuts applied: 30 Zero-half cuts applied: 17 Gomory fractional cuts applied: 10