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 192792 rows and 35432 columns. MIP Presolve modified 23697 coefficients. Aggregator did 1277 substitutions. Reduced MIP has 60456 rows, 11241 columns, and 240109 nonzeros. Presolve time = 4.37 sec. Clique table members: 10201. MIP emphasis: balance optimality and feasibility. MIP search method: dynamic search. Parallel mode: none, using 1 thread. Root relaxation solution time = 0.58 sec. Nodes Cuts/ Node Left Objective IInf Best Integer Best Node ItCnt Gap 0 0 -2916.2222 207 -2916.2222 1437 * 0+ 0 -2908.0000 -2916.2222 1437 0.28% * 0 0 integral 0 -2915.0000 Cuts: 490 1512 0.00% 0 0 cutoff -2915.0000 -2915.0000 1512 0.00% GUB cover cuts applied: 2 Clique cuts applied: 147 Cover cuts applied: 2 Implied bound cuts applied: 31 Zero-half cuts applied: 22 Gomory fractional cuts applied: 12 >>>>>>> Objval = -2915.000000 (int)-2915 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 1606.0000. Tried aggregator 5 times. MIP Presolve eliminated 192780 rows and 35423 columns. MIP Presolve modified 23698 coefficients. Aggregator did 1274 substitutions. Reduced MIP has 60471 rows, 11253 columns, and 243041 nonzeros. Presolve time = 4.42 sec. Clique table members: 10176. MIP emphasis: balance optimality and feasibility. MIP search method: dynamic search. Parallel mode: none, using 1 thread. Root relaxation solution time = 9.83 sec. Nodes Cuts/ Node Left Objective IInf Best Integer Best Node ItCnt Gap 0 0 382.6186 684 1606.0000 382.6186 13373 76.18% 0 0 512.5000 32 1606.0000 Cuts: 480 13587 68.09% 0 0 516.0000 4 1606.0000 Cuts: 14 13594 67.87% * 0+ 0 516.0000 516.0000 13594 0.00% 0 0 cutoff 516.0000 516.0000 13594 0.00% Elapsed time = 16.57 sec. (tree size = 0.00 MB, solutions = 2) GUB cover cuts applied: 1 Clique cuts applied: 216 Cover cuts applied: 3 Implied bound cuts applied: 51 Zero-half cuts applied: 16 Gomory fractional cuts applied: 5 >>>>>>> Objval = 516.000000 (int)516 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 2330.0000. Tried aggregator 5 times. Presolve has eliminated 192217 rows and 35198 columns... Aggregator has done 1222 substitutions... MIP Presolve eliminated 192217 rows and 35198 columns. MIP Presolve modified 23710 coefficients. Aggregator did 1222 substitutions. Reduced MIP has 61086 rows, 11530 columns, and 251281 nonzeros. Presolve time = 5.07 sec. Clique table members: 9944. MIP emphasis: balance optimality and feasibility. MIP search method: dynamic search. Parallel mode: none, using 1 thread. Root relaxation solution time = 12.23 sec. Nodes Cuts/ Node Left Objective IInf Best Integer Best Node ItCnt Gap 0 0 1810.5278 136 2330.0000 1810.5278 19612 22.29% 0 0 1923.0000 24 2330.0000 Cuts: 303 20397 17.47% 0 0 1948.6667 63 2330.0000 Cuts: 56 20452 16.37% * 0+ 0 1958.0000 1948.6667 20454 0.48% 0 0 cutoff 1958.0000 1948.6667 20454 0.48% Elapsed time = 20.00 sec. (tree size = 0.00 MB, solutions = 2) GUB cover cuts applied: 1 Clique cuts applied: 163 Cover cuts applied: 1 Implied bound cuts applied: 22 Zero-half cuts applied: 15 Gomory fractional cuts applied: 8