Welcome to IBM(R) ILOG(R) CPLEX(R) Interactive Optimizer 12.4.0.0 with Simplex, Mixed Integer & Barrier Optimizers 5725-A06 5725-A29 5724-Y48 5724-Y49 5724-Y54 5724-Y55 Copyright IBM Corp. 1988, 2011. All Rights Reserved. Type 'help' for a list of available commands. Type 'help' followed by a command name for more information on commands. CPLEX> Selected objective sense: MINIMIZE Selected objective name: R224527 Selected RHS name: B Selected bound name: BOUND Problem 'in_i.mps.gz' read. Read time = 0.59 sec. CPLEX> Available MIP parameters: cuts set types of cuts used during mixed integer optimization display set level of mixed integer node display interval set interval for printing mixed integer node display limits set limits for mixed integer optimization ordertype set type of generated priority order polishafter set starting conditions for solution polishing pool set solution pool characteristics strategy set strategy for mixed integer optimization tolerances set tolerances for mixed integer optimization MIP parameter to set: Available mixed integer limits: aggforcut set constraint aggregation limit for cut generation auxrootthreads set number of threads to use for auxiliary root tasks cutpasses set number of cutting plane passes cutsfactor set rows multiplier factor to limit cuts eachcutlimit set limit on number of cuts for each type per pass gomorycand set candidate limit for generating Gomory fractional cuts gomorypass set pass limit for generating Gomory fractional cuts nodes set branch and cut node limit polishtime set time limit for polishing best solution populate set solutions limit for each populate call probetime set time limit for probing repairtries set number of times to try repair heuristic solutions set mixed integer solutions limit strongcand set strong branching candidate limit strongit set strong branching iteration limit submipnodelim set sub-MIP node limit treememory set upper limit on size of tree in megabytes Mixed integer limit to set: Present value for mixed integer solutions limit: 9223372036800000000 New value for mixed integer solutions limit: New value for mixed integer solutions limit: 1 CPLEX> Present value for time limit in seconds: 1e+75 New value for time limit in seconds: New value for time limit in seconds: 3600 CPLEX> Tried aggregator 1 time. MIP Presolve eliminated 1185 rows and 265 columns. MIP Presolve modified 263997 coefficients. Reduced MIP has 223341 rows, 213175 columns, and 1234387 nonzeros. Reduced MIP has 213175 binaries, 0 generals, 0 SOSs, and 0 indicators. Probing fixed 20 vars, tightened 0 bounds. Probing time = 0.26 sec. Tried aggregator 1 time. MIP Presolve eliminated 20 rows and 20 columns. MIP Presolve modified 10 coefficients. Reduced MIP has 223321 rows, 213155 columns, and 1234267 nonzeros. Reduced MIP has 213155 binaries, 0 generals, 0 SOSs, and 0 indicators. Presolve time = 4.47 sec. Probing time = 0.13 sec. Clique table members: 140376. MIP emphasis: balance optimality and feasibility. MIP search method: dynamic search. Parallel mode: deterministic, using up to 4 threads. Root relaxation solution time = 3594.83 sec. Nodes Cuts/ Node Left Objective IInf Best Integer Best Bound ItCnt Gap 0 0 -1.00000e+37 0 331606 Root node processing (before b&c): Real time = 3595.89 Parallel b&c, 4 threads: Real time = 0.00 Sync time (average) = 0.00 Wait time (average) = 0.00 ------- Total (root+branch&cut) = 3595.89 sec. MIP - Time limit exceeded, no integer solution. Current MIP best bound is infinite. Solution time = 3600.36 sec. Iterations = 331606 Nodes = 0 Deterministic time = 1608224.91 ticks (446.68 ticks/sec) CPLEX> 7163.88user 3.81system 1:00:00elapsed 199%CPU (0avgtext+0avgdata 10720928maxresident)k 0inputs+40outputs (0major+3718623minor)pagefaults 0swaps