Warning: Output names have been modified to conform to LP format. Default row names c1, c2 ... being created. Tried aggregator 8 times. MIP Presolve eliminated 271177 rows and 47367 columns. MIP Presolve modified 15215 coefficients. Aggregator did 2290 substitutions. Reduced MIP has 4993 rows, 2271 columns, and 15664 nonzeros. Presolve time = 1.40 sec. Clique table members: 2549. MIP emphasis: balance optimality and feasibility. MIP search method: dynamic search. Parallel mode: none, using 1 thread. Root relaxation solution time = 0.01 sec. Nodes Cuts/ Node Left Objective IInf Best Integer Best Node ItCnt Gap 0 0 -545.0000 77 -545.0000 245 * 0+ 0 -545.0000 -545.0000 245 0.00% 0 0 cutoff -545.0000 -545.0000 245 0.00% >>>>>>> Objval = -545.000000 (int)-545 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 1464.0000. Tried aggregator 6 times. MIP Presolve eliminated 270030 rows and 46943 columns. MIP Presolve modified 15225 coefficients. Aggregator did 2166 substitutions. Reduced MIP has 6262 rows, 2819 columns, and 19977 nonzeros. Presolve time = 1.42 sec. Clique table members: 3263. MIP emphasis: balance optimality and feasibility. MIP search method: dynamic search. Parallel mode: none, using 1 thread. Root relaxation solution time = 0.03 sec. Nodes Cuts/ Node Left Objective IInf Best Integer Best Node ItCnt Gap 0 0 -58.6913 154 1464.0000 -58.6913 681 104.01% * 0+ 0 -8.0000 -58.6913 681 633.64% 0 0 -20.0000 27 -8.0000 Cuts: 313 773 150.00% 0 0 -17.5000 13 -8.0000 Cuts: 7 782 118.75% * 0+ 0 -15.0000 -17.5000 782 16.67% Repeating presolve. Tried aggregator 4 times. MIP Presolve eliminated 5770 rows and 2510 columns. MIP Presolve modified 83 coefficients. Aggregator did 64 substitutions. Reduced MIP has 428 rows, 245 columns, and 1287 nonzeros. Tried aggregator 1 time. MIP Presolve eliminated 130 rows and 38 columns. MIP Presolve modified 43 coefficients. Aggregator did 6 substitutions. Reduced MIP has 292 rows, 201 columns, and 1021 nonzeros. Tried aggregator 3 times. MIP Presolve eliminated 17 rows and 11 columns. Aggregator did 10 substitutions. Reduced MIP has 265 rows, 180 columns, and 956 nonzeros. Tried aggregator 3 times. MIP Presolve eliminated 11 rows and 7 columns. MIP Presolve modified 5 coefficients. Aggregator did 4 substitutions. Reduced MIP has 250 rows, 169 columns, and 904 nonzeros. Tried aggregator 1 time. MIP Presolve eliminated 2 rows and 2 columns. Reduced MIP has 248 rows, 167 columns, and 900 nonzeros. Tried aggregator 1 time. Represolve time = 0.03 sec. Clique table members: 111. MIP emphasis: balance optimality and feasibility. MIP search method: dynamic search. Parallel mode: none, using 1 thread. Root relaxation solution time = 0.01 sec. Nodes Cuts/ Node Left Objective IInf Best Integer Best Node ItCnt Gap 0 0 -23.0000 20 -15.0000 -17.5000 829 16.67% 0 2 -22.5000 15 -15.0000 -17.5000 829 16.67% Cover cuts applied: 1 Implied bound cuts applied: 1 Zero-half cuts applied: 2 Gomory fractional cuts applied: 3