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 23950 coefficients. Aggregator did 1262 substitutions. Reduced MIP has 61750 rows, 11310 columns, and 244413 nonzeros. Presolve time = 4.44 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 = 0.70 sec. Nodes Cuts/ Node Left Objective IInf Best Integer Best Node ItCnt Gap 0 0 -2924.2222 331 -2924.2222 2075 * 0+ 0 -2913.0000 -2924.2222 2075 0.39% * 0 0 integral 0 -2919.0000 Cuts: 482 2160 0.00% 0 0 cutoff -2919.0000 -2919.0000 2160 0.00% GUB cover cuts applied: 1 Clique cuts applied: 193 Implied bound cuts applied: 39 Zero-half cuts applied: 31 Gomory fractional cuts applied: 18 >>>>>>> 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 1565.0000. Tried aggregator 5 times. MIP Presolve eliminated 191501 rows and 35369 columns. MIP Presolve modified 23949 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 = 9.97 sec. Nodes Cuts/ Node Left Objective IInf Best Integer Best Node ItCnt Gap 0 0 195.1861 326 1565.0000 195.1861 12969 87.53% 0 0 427.5000 20 1565.0000 Cuts: 701 13720 72.68% * 0 0 integral 0 430.0000 Cuts: 9 13733 0.00% 0 0 cutoff 430.0000 430.0000 13733 0.00% Elapsed time = 16.73 sec. (tree size = 0.00 MB, solutions = 2) GUB cover cuts applied: 1 Clique cuts applied: 369 Cover cuts applied: 3 Implied bound cuts applied: 83 Zero-half cuts applied: 48 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 190941 rows and 35150 columns... Aggregator has done 1207 substitutions... MIP Presolve eliminated 190941 rows and 35150 columns. MIP Presolve modified 23976 coefficients. Aggregator did 1207 substitutions. Reduced MIP has 62377 rows, 11593 columns, and 255549 nonzeros. Presolve time = 5.17 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 = 13.03 sec. Nodes Cuts/ Node Left Objective IInf Best Integer Best Node ItCnt Gap 0 0 1857.9444 332 2369.0000 1857.9444 21041 21.57% 0 0 2034.3750 54 2369.0000 Cuts: 229 23267 14.13% 0 0 2053.6667 63 2369.0000 Cuts: 74 23302 13.31% * 0+ 0 2063.0000 2053.6667 23304 0.45% 0 0 cutoff 2063.0000 2053.6667 23304 0.45% Elapsed time = 22.12 sec. (tree size = 0.00 MB, solutions = 2) GUB cover cuts applied: 1 Clique cuts applied: 158 Implied bound cuts applied: 29 Zero-half cuts applied: 16 Gomory fractional cuts applied: 8