package goblint

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Module Goblint_constraint.ConstrSysSource

constraint system signatures.

Sourcemodule type SysVar = sig ... end
Sourcemodule type VarType = sig ... end
Sourcemodule Var2 (LV : VarType) (GV : VarType) : VarType with type t = [ `L of LV.t | `G of GV.t ]

Combined variables so that we can also use the more common EqConstrSys that uses only one kind of a variable.

Sourcetype 'v sys_change_info = {
  1. obsolete : 'v list;
    (*

    Variables to destabilize.

    *)
  2. delete : 'v list;
    (*

    Variables to delete.

    *)
  3. reluctant : 'v list;
    (*

    Variables to solve reluctantly.

    *)
  4. restart : 'v list;
    (*

    Variables to restart.

    *)
}

Abstract incremental change to constraint system.

  • parameter 'v

    constrain system variable type

Sourcemodule type EqConstrSys = sig ... end

A side-effecting system.

Sourcemodule type DemandEqConstrSys = sig ... end

A side-effecting system that supports demand calls

Sourcemodule type GlobConstrSys = sig ... end

A side-effecting system with globals.

Sourcemodule type DemandGlobConstrSys = sig ... end

A side-effecting system with globals that supports demand calls

DemandEqConstrSys where current_var indicates the variable whose right-hand side is currently being evaluated.