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 191523 rows and 35380 columns. MIP Presolve modified 23948 coefficients. Aggregator did 1261 substitutions. Reduced MIP has 61741 rows, 11309 columns, and 244374 nonzeros. Presolve time = 4.46 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 = 0.60 sec. Nodes Cuts/ Node Left Objective IInf Best Integer Best Node ItCnt Gap 0 0 -2928.2222 190 -2928.2222 1559 * 0+ 0 -2919.0000 -2928.2222 1559 0.32% 0 0 -2927.0000 83 -2919.0000 Cuts: 359 1624 0.27% * 0 0 integral 0 -2927.0000 Cuts: 41 1641 0.00% 0 0 cutoff -2927.0000 -2927.0000 1641 0.00% GUB cover cuts applied: 1 Clique cuts applied: 78 Implied bound cuts applied: 21 Zero-half cuts applied: 29 Gomory fractional cuts applied: 14 >>>>>>> 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 1624.0000. Tried aggregator 5 times. MIP Presolve eliminated 191511 rows and 35371 columns. MIP Presolve modified 23946 coefficients. Aggregator did 1258 substitutions. Reduced MIP has 61756 rows, 11321 columns, and 247328 nonzeros. Presolve time = 4.49 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 = 9.90 sec. Nodes Cuts/ Node Left Objective IInf Best Integer Best Node ItCnt Gap 0 0 399.6572 688 1624.0000 399.6572 13690 75.39% 0 0 526.5000 26 1624.0000 Cuts: 469 13983 67.58% * 0 0 integral 0 530.0000 Cuts: 12 13989 0.00% 0 0 cutoff 530.0000 530.0000 13989 0.00% Elapsed time = 16.28 sec. (tree size = 0.00 MB, solutions = 2) GUB cover cuts applied: 1 Clique cuts applied: 224 Cover cuts applied: 3 Implied bound cuts applied: 60 Zero-half cuts applied: 33 Gomory fractional cuts applied: 4 >>>>>>> Objval = 530.000000 (int)530 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 2317.0000. Tried aggregator 5 times. Presolve has eliminated 190951 rows and 35152 columns... Aggregator has done 1206 substitutions... MIP Presolve eliminated 190951 rows and 35152 columns. MIP Presolve modified 23974 coefficients. Aggregator did 1206 substitutions. Reduced MIP has 62368 rows, 11592 columns, and 255509 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 = 12.00 sec. Nodes Cuts/ Node Left Objective IInf Best Integer Best Node ItCnt Gap 0 0 1794.5278 130 2317.0000 1794.5278 19586 22.55% 0 0 1907.0000 24 2317.0000 Cuts: 294 20351 17.70% 0 0 1926.5000 35 2317.0000 Cuts: 14 20381 16.85% * 0+ 0 1942.0000 1926.5000 20430 0.80% 0 0 cutoff 1942.0000 1926.5000 20430 0.80% Elapsed time = 19.47 sec. (tree size = 0.00 MB, solutions = 2) GUB cover cuts applied: 1 Clique cuts applied: 139 Implied bound cuts applied: 8 Zero-half cuts applied: 12 Gomory fractional cuts applied: 7