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[Civl] Enhance quantifier elimination #829

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Jan 2, 2024
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5 changes: 5 additions & 0 deletions Source/Concurrency/TransitionRelationComputation.cs
Original file line number Diff line number Diff line change
Expand Up @@ -374,6 +374,11 @@ private void TryElimination(IEnumerable<Variable> extraDefinedVariables)
varToExpr[assignment.Var] = SubstitutionHelper.Apply(varToExpr, assignment.Expr);
changed = true;
}
else if (Defined(assignment.Var) && assignment.Expr is IdentifierExpr ie && !Defined(ie.Decl))
{
varToExpr[ie.Decl] = SubstitutionHelper.Apply(varToExpr, Expr.Ident(assignment.Var));
changed = true;
}
else
{
remainingAssignments.Add(assignment);
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