private ContextElem LemmaContext(
CFGRepr cfg,
Term vcAssm
)
{
var multiRed = IsaBoogieTerm.RedCFGMulti(
BoogieContextIsa.CreateWithNewVarContext(
boogieContext,
new TermTuple(programAccessor.ConstsAndGlobalsDecl(), programAccessor.ParamsAndLocalsDecl())
),
programAccessor.CfgDecl(),
IsaBoogieTerm.CFGConfigNode(new NatConst(cfg.GetUniqueIntLabel(cfg.entry)),
IsaBoogieTerm.Normal(normalInitState)),
IsaBoogieTerm.CFGConfig(finalNodeOrReturn, finalState)
);
var closedAssm = EndToEndAssumptions.ClosednessAssumption(boogieContext.absValTyMap);
var nonEmptyTypesAssm = EndToEndAssumptions.NonEmptyTypesAssumption(boogieContext.absValTyMap);
var finterpAssm = IsaBoogieTerm.FunInterpWf(boogieContext.absValTyMap, programAccessor.FunctionsDecl(),
boogieContext.funContext);
var absValType = new VarType("a");
//need to explicitly give type for normal state, otherwise Isabelle won't know that the abstract value type is the same as used in the VC
var axiomAssm = EndToEndAssumptions.AxiomAssumption(boogieContext, programAccessor,
new TermWithExplicitType(normalInitState, IsaBoogieType.NormalStateType(absValType)));
var presAssm =
IsaBoogieTerm.ExprAllSat(boogieContext, normalInitState, programAccessor.PreconditionsDecl());
var localsAssm = EndToEndAssumptions.LocalStateAssumption(boogieContext,
IsaCommonTerms.Snd(boogieContext.varContext), normalInitState);
var globalsAssm = EndToEndAssumptions.GlobalStateAssumption(boogieContext,
IsaCommonTerms.Fst(boogieContext.varContext), normalInitState);
var oldGlobalStateAssm = EndToEndAssumptions.OldGlobalStateAssumption(normalInitState);
var binderEmptyAssm = EndToEndAssumptions.BinderStateEmpty(normalInitState);
return
(ContextElem.CreateWithAssumptions(
new List <Term>
{
multiRed, vcAssm, closedAssm, nonEmptyTypesAssm, finterpAssm, axiomAssm,
presAssm, localsAssm, globalsAssm, oldGlobalStateAssm, binderEmptyAssm
},
new List <string>
{
redAssmName, vcAssmName, closedAssmName, nonEmptyTypesAssmName, finterpAssmName, axiomAssmName,
preconditionsAssmName, paramsLocalsAssmName, constsGlobalsAssmName, oldGlobalAssmName,
binderEmptyAssmName
}
));
}
