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 191527 rows and 35380 columns. MIP Presolve modified 23947 coefficients. Aggregator did 1262 substitutions. Reduced MIP has 61736 rows, 11308 columns, and 244363 nonzeros. Presolve time = 4.45 sec. Clique table members: 10607. MIP emphasis: balance optimality and feasibility. MIP search method: dynamic search. Parallel mode: none, using 1 thread. Root relaxation solution time = 0.68 sec. Nodes Cuts/ Node Left Objective IInf Best Integer Best Node ItCnt Gap 0 0 -2926.8131 376 -2926.8131 2049 * 0+ 0 -2916.0000 -2926.8131 2049 0.37% * 0 0 integral 0 -2923.0000 Cuts: 760 2193 0.00% 0 0 cutoff -2923.0000 -2923.0000 2193 0.00% GUB cover cuts applied: 1 Clique cuts applied: 410 Cover cuts applied: 1 Implied bound cuts applied: 38 Zero-half cuts applied: 35 Gomory fractional cuts applied: 19 >>>>>>> Objval = -2923.000000 (int)-2923 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 1596.0000. Tried aggregator 5 times. MIP Presolve eliminated 191515 rows and 35371 columns. MIP Presolve modified 23948 coefficients. Aggregator did 1259 substitutions. Reduced MIP has 61751 rows, 11320 columns, and 247317 nonzeros. Presolve time = 4.45 sec. Clique table members: 10582. MIP emphasis: balance optimality and feasibility. MIP search method: dynamic search. Parallel mode: none, using 1 thread. Root relaxation solution time = 9.99 sec. Nodes Cuts/ Node Left Objective IInf Best Integer Best Node ItCnt Gap 0 0 271.9538 669 1596.0000 271.9538 13408 82.96% 0 0 475.0000 34 1596.0000 Cuts: 989 13793 70.24% * 0+ 0 479.0000 475.0000 13793 0.84% 0 0 cutoff 479.0000 Cuts: 13 13798 0.00% 0 0 cutoff 479.0000 479.0000 13798 0.00% Elapsed time = 16.40 sec. (tree size = 0.00 MB, solutions = 2) GUB cover cuts applied: 3 Clique cuts applied: 583 Cover cuts applied: 3 Implied bound cuts applied: 106 Zero-half cuts applied: 58 Gomory fractional cuts applied: 10 >>>>>>> Objval = 479.000000 (int)479 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 2332.0000. Tried aggregator 5 times. Presolve has eliminated 190955 rows and 35152 columns... Aggregator has done 1207 substitutions... MIP Presolve eliminated 190955 rows and 35152 columns. MIP Presolve modified 23975 coefficients. Aggregator did 1207 substitutions. Reduced MIP has 62363 rows, 11591 columns, and 255498 nonzeros. Presolve time = 5.16 sec. Clique table members: 10413. MIP emphasis: balance optimality and feasibility. MIP search method: dynamic search. Parallel mode: none, using 1 thread. Root relaxation solution time = 12.74 sec. Nodes Cuts/ Node Left Objective IInf Best Integer Best Node ItCnt Gap 0 0 1810.1364 465 2332.0000 1810.1364 20572 22.38% 0 0 1961.0000 24 2332.0000 Cuts: 644 21536 15.91% 0 0 1980.5000 35 2332.0000 Cuts: 14 21561 15.07% 0 0 1983.3750 102 2332.0000 Cuts: 57 21574 14.95% * 0+ 0 1996.0000 1983.3750 21589 0.63% 0 0 cutoff 1996.0000 1983.3750 21589 0.63% Elapsed time = 20.87 sec. (tree size = 0.00 MB, solutions = 2) GUB cover cuts applied: 1 Clique cuts applied: 360 Implied bound cuts applied: 51 Zero-half cuts applied: 34 Gomory fractional cuts applied: 10