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 191440 rows and 35373 columns. MIP Presolve modified 23949 coefficients. Aggregator did 1263 substitutions. Reduced MIP has 61822 rows, 11314 columns, and 244659 nonzeros. Presolve time = 4.45 sec. Clique table members: 10616. MIP emphasis: balance optimality and feasibility. MIP search method: dynamic search. Parallel mode: none, using 1 thread. Root relaxation solution time = 0.64 sec. Nodes Cuts/ Node Left Objective IInf Best Integer Best Node ItCnt Gap 0 0 -2928.2222 210 -2928.2222 1525 * 0+ 0 -2920.0000 -2928.2222 1525 0.28% * 0 0 integral 0 -2927.0000 Cuts: 217 1610 0.00% 0 0 cutoff -2927.0000 -2927.0000 1610 0.00% Clique cuts applied: 21 Implied bound cuts applied: 13 Zero-half cuts applied: 20 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 1614.0000. Tried aggregator 5 times. MIP Presolve eliminated 191428 rows and 35364 columns. MIP Presolve modified 23947 coefficients. Aggregator did 1260 substitutions. Reduced MIP has 61837 rows, 11326 columns, and 247614 nonzeros. Presolve time = 4.49 sec. Clique table members: 10591. MIP emphasis: balance optimality and feasibility. MIP search method: dynamic search. Parallel mode: none, using 1 thread. Root relaxation solution time = 10.32 sec. Nodes Cuts/ Node Left Objective IInf Best Integer Best Node ItCnt Gap 0 0 399.8794 689 1614.0000 399.8794 13304 75.22% 0 0 530.0000 18 1614.0000 Cuts: 375 13530 67.16% * 0+ 0 532.0000 530.0000 13530 0.38% 0 0 cutoff 532.0000 530.0000 13533 0.38% Elapsed time = 16.67 sec. (tree size = 0.00 MB, solutions = 2) GUB cover cuts applied: 1 Clique cuts applied: 89 Cover cuts applied: 3 Implied bound cuts applied: 29 Zero-half cuts applied: 34 Gomory fractional cuts applied: 8 >>>>>>> Objval = 532.000000 (int)532 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 2352.0000. Tried aggregator 5 times. Presolve has eliminated 190868 rows and 35145 columns... Aggregator has done 1208 substitutions... MIP Presolve eliminated 190868 rows and 35145 columns. MIP Presolve modified 23978 coefficients. Aggregator did 1208 substitutions. Reduced MIP has 62449 rows, 11597 columns, and 255797 nonzeros. Presolve time = 5.18 sec. Clique table members: 10422. MIP emphasis: balance optimality and feasibility. MIP search method: dynamic search. Parallel mode: none, using 1 thread. Root relaxation solution time = 12.86 sec. Nodes Cuts/ Node Left Objective IInf Best Integer Best Node ItCnt Gap 0 0 1795.7515 224 2352.0000 1795.7515 21180 23.65% 0 0 1992.8750 56 2352.0000 Cuts: 294 21977 15.27% 0 0 2011.6667 63 2352.0000 Cuts: 56 22000 14.47% * 0+ 0 2021.0000 2011.6667 22002 0.46% 0 0 cutoff 2021.0000 2011.6667 22002 0.46% Elapsed time = 21.12 sec. (tree size = 0.00 MB, solutions = 2) GUB cover cuts applied: 1 Clique cuts applied: 86 Implied bound cuts applied: 24 Zero-half cuts applied: 15 Gomory fractional cuts applied: 6