The Mixed Integer Linear Programming Solver: Functional Summary

Functional Summary

Table 6.1 summarizes the options available for the SOLVE WITH MILP statement, classified by function.

Table 6.1 Options for the MILP Solver
Description	Option
Presolve Option
Specifies the type of presolve	PRESOLVER=
Warm Start Option
Specifies the primal solution input data set (warm start)	PRIMALIN
Control Options
Specifies the stopping criterion based on absolute objective gap	ABSOBJGAP=
Specifies the cutoff value for node removal	CUTOFF=
Emphasizes feasibility or optimality	EMPHASIS=
Specifies the maximum allowed difference between an integer variable’s value and an integer	INTTOL=
Specifies the maximum number of nodes to be processed	MAXNODES=
Specifies the maximum number of solutions to be found	MAXSOLS=
Specifies the maximum solution time	MAXTIME=
Specifies the frequency of printing the node log	PRINTFREQ=
Specifies the detail of solution progress printed in log	PRINTLEVEL2=
Specifies the probing level	PROBE=
Specifies the stopping criterion based on relative objective gap	RELOBJGAP=
Specifies the scale of the problem matrix	SCALE=
Specifies the stopping criterion based on target objective value	TARGET=
Specifies whether time units are CPU time or real time	TIMETYPE=
Heuristics Option
Specifies the primal heuristics level	HEURISTICS=
Search Options
Specifies the node selection strategy	NODESEL=
Enables use of variable priorities	PRIORITY=
Specifies the number of simplex iterations performed on each variable in strong branching strategy	STRONGITER=
Specifies the number of candidates for strong branching	STRONGLEN=
Specifies the rule for selecting branching variable	VARSEL=
Cut Options
Specifies the overall cut level	ALLCUTS=
Specifies the clique cut level	CUTCLIQUE=
Specifies the flow cover cut level	CUTFLOWCOVER=
Specifies the flow path cut level	CUTFLOWPATH=
Specifies the Gomory cut level	CUTGOMORY=
Specifies the generalized upper bound (GUB) cover cut level	CUTGUB=
Specifies the implied bounds cut level	CUTIMPLIED=
Specifies the knapsack cover cut level	CUTKNAPSACK=
Specifies the lift-and-project cut level	CUTLAP=
Specifies the mixed lifted 0-1 cut level	CUTMILIFTED=
Specifies the mixed integer rounding (MIR) cut level	CUTMIR=
Specifies the row multiplier factor for cuts	CUTSFACTOR=
Specifies the zero-half cut level	CUTZEROHALF=