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 191513 rows and 35378 columns. MIP Presolve modified 23949 coefficients. Aggregator did 1262 substitutions. Reduced MIP has 61750 rows, 11310 columns, and 244413 nonzeros. Presolve time = 4.49 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 -2924.2222 315 -2924.2222 2100 * 0+ 0 -2913.0000 -2924.2222 2100 0.39% * 0 0 integral 0 -2919.0000 Cuts: 471 2180 0.00% 0 0 cutoff -2919.0000 -2919.0000 2180 0.00% GUB cover cuts applied: 1 Clique cuts applied: 185 Cover cuts applied: 1 Implied bound cuts applied: 36 Zero-half cuts applied: 30 Gomory fractional cuts applied: 16 >>>>>>> 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 1550.0000. Tried aggregator 5 times. MIP Presolve eliminated 191501 rows and 35369 columns. MIP Presolve modified 23948 coefficients. Aggregator did 1259 substitutions. Reduced MIP has 61765 rows, 11322 columns, and 247367 nonzeros. Presolve time = 4.50 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 = 9.92 sec. Nodes Cuts/ Node Left Objective IInf Best Integer Best Node ItCnt Gap 0 0 195.1861 327 1550.0000 195.1861 12841 87.41% 0 0 427.5000 20 1550.0000 Cuts: 731 13640 72.42% * 0+ 0 430.0000 427.5000 13640 0.58% 0 0 cutoff 430.0000 Cuts: 17 13644 0.00% 0 0 cutoff 430.0000 430.0000 13644 0.00% Elapsed time = 16.79 sec. (tree size = 0.00 MB, solutions = 2) GUB cover cuts applied: 1 Clique cuts applied: 414 Cover cuts applied: 3 Implied bound cuts applied: 95 Zero-half cuts applied: 33 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 2344.0000. Tried aggregator 5 times. Presolve has eliminated 190941 rows and 35150 columns... Aggregator has done 1207 substitutions... MIP Presolve eliminated 190941 rows and 35150 columns. MIP Presolve modified 23973 coefficients. Aggregator did 1207 substitutions. Reduced MIP has 62377 rows, 11593 columns, and 255549 nonzeros. Presolve time = 5.18 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 = 12.91 sec. Nodes Cuts/ Node Left Objective IInf Best Integer Best Node ItCnt Gap 0 0 1857.9444 336 2344.0000 1857.9444 20689 20.74% 0 0 2034.3750 54 2344.0000 Cuts: 245 22332 13.21% 0 0 2053.6667 63 2344.0000 Cuts: 74 22375 12.39% * 0+ 0 2063.0000 2053.6667 22377 0.45% 0 0 cutoff 2063.0000 2053.6667 22377 0.45% Elapsed time = 21.72 sec. (tree size = 0.00 MB, solutions = 2) GUB cover cuts applied: 1 Clique cuts applied: 159 Implied bound cuts applied: 31 Zero-half cuts applied: 15 Gomory fractional cuts applied: 10