Warning: Output names have been modified to conform to LP format. Default row names c1, c2 ... being created. Tried aggregator 7 times. MIP Presolve eliminated 269875 rows and 47497 columns. MIP Presolve modified 15869 coefficients. Aggregator did 2195 substitutions. Reduced MIP has 6337 rows, 2236 columns, and 20028 nonzeros. Presolve time = 1.51 sec. Clique table members: 2986. MIP emphasis: balance optimality and feasibility. MIP search method: dynamic search. Parallel mode: none, using 1 thread. Root relaxation solution time = 0.02 sec. Nodes Cuts/ Node Left Objective IInf Best Integer Best Node ItCnt Gap 0 0 -544.0000 80 -544.0000 254 * 0+ 0 -544.0000 -544.0000 254 0.00% 0 0 cutoff -544.0000 -544.0000 254 0.00% >>>>>>> Objval = -544.000000 (int)-544 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 546.0000. Tried aggregator 7 times. MIP Presolve eliminated 269654 rows and 47443 columns. MIP Presolve modified 15744 coefficients. Aggregator did 2141 substitutions. Reduced MIP has 6615 rows, 2344 columns, and 21952 nonzeros. Presolve time = 1.62 sec. Clique table members: 2922. 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 28.5000 83 546.0000 28.5000 486 94.78% * 0 0 integral 0 45.0000 Cuts: 163 494 0.00% 0 0 cutoff 45.0000 45.0000 494 0.00% Clique cuts applied: 79 Gomory fractional cuts applied: 1 >>>>>>> Objval = 45.000000 (int)45 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 1531.0000. Tried aggregator 8 times. MIP Presolve eliminated 264234 rows and 46303 columns. MIP Presolve modified 14184 coefficients. Aggregator did 1958 substitutions. Reduced MIP has 12214 rows, 3667 columns, and 43461 nonzeros. Presolve time = 2.07 sec. Clique table members: 4012. MIP emphasis: balance optimality and feasibility. MIP search method: dynamic search. Parallel mode: none, using 1 thread. Root relaxation solution time = 0.09 sec. Nodes Cuts/ Node Left Objective IInf Best Integer Best Node ItCnt Gap 0 0 685.2500 239 1033.0000 685.2500 1193 33.66% 0 0 807.0000 4 1033.0000 Cuts: 349 1365 21.88% * 0+ 0 808.0000 807.0000 1365 0.12% * 0+ 0 807.0000 807.0000 1366 0.00% 0 0 cutoff 807.0000 807.0000 1366 0.00% Clique cuts applied: 113 Cover cuts applied: 1 Implied bound cuts applied: 20 Zero-half cuts applied: 19 Gomory fractional cuts applied: 6