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 191554 rows and 35381 columns. MIP Presolve modified 23950 coefficients. Aggregator did 1261 substitutions. Reduced MIP has 61710 rows, 11308 columns, and 244254 nonzeros. Presolve time = 4.47 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 = 0.56 sec. Nodes Cuts/ Node Left Objective IInf Best Integer Best Node ItCnt Gap 0 0 -2928.2222 185 -2928.2222 1482 * 0+ 0 -2919.0000 -2928.2222 1482 0.32% 0 0 -2927.0000 74 -2919.0000 Cuts: 336 1551 0.27% * 0+ 0 -2925.0000 -2927.0000 1551 0.07% * 0 0 integral 0 -2927.0000 Cuts: 38 1568 0.00% 0 0 cutoff -2927.0000 -2927.0000 1568 0.00% GUB cover cuts applied: 2 Clique cuts applied: 71 Cover cuts applied: 1 Implied bound cuts applied: 19 Zero-half cuts applied: 25 Gomory fractional cuts applied: 16 >>>>>>> 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 1585.0000. Tried aggregator 5 times. MIP Presolve eliminated 191542 rows and 35372 columns. MIP Presolve modified 23946 coefficients. Aggregator did 1258 substitutions. Reduced MIP has 61725 rows, 11320 columns, and 247208 nonzeros. Presolve time = 4.51 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 = 10.11 sec. Nodes Cuts/ Node Left Objective IInf Best Integer Best Node ItCnt Gap 0 0 399.6572 694 1585.0000 399.6572 12932 74.79% 0 0 526.5000 26 1585.0000 Cuts: 495 13221 66.78% * 0 0 integral 0 530.0000 Cuts: 13 13244 0.00% 0 0 cutoff 530.0000 530.0000 13244 0.00% Elapsed time = 16.51 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: 52 Zero-half cuts applied: 54 Gomory fractional cuts applied: 5 >>>>>>> Objval = 530.000000 (int)529 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 2260.0000. Tried aggregator 5 times. Presolve has eliminated 190982 rows and 35153 columns... Aggregator has done 1206 substitutions... MIP Presolve eliminated 190982 rows and 35153 columns. MIP Presolve modified 23974 coefficients. Aggregator did 1206 substitutions. Reduced MIP has 62337 rows, 11591 columns, and 255389 nonzeros. Presolve time = 5.19 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 = 12.59 sec. Nodes Cuts/ Node Left Objective IInf Best Integer Best Node ItCnt Gap 0 0 1794.5278 132 2260.0000 1794.5278 20332 20.60% 0 0 1907.0000 24 2260.0000 Cuts: 299 21031 15.62% 0 0 1932.6667 63 2260.0000 Cuts: 55 21087 14.48% * 0 0 integral 0 1942.0000 Cuts: 15 21089 0.00% 0 0 cutoff 1942.0000 1942.0000 21089 0.00% Elapsed time = 20.50 sec. (tree size = 0.00 MB, solutions = 2) GUB cover cuts applied: 1 Clique cuts applied: 166 Implied bound cuts applied: 29 Zero-half cuts applied: 15 Gomory fractional cuts applied: 8