public static void SetTypeEraserFactory(TypePremiseEraserFactory factory)
{
if (CommandLineOptions.Clo.GenerateIsaProgNoProofs)
{
return;
}
typePremiseEraserFactory = factory;
var uniqueNamer = new IsaUniqueNamer();
/* Hack: try to make sure unique namer uses names for Boogie functions and Boogie variables that are different
* from the default name otherwise it clashes with the functions potentially fixed in the context of a locale
*/
foreach (var fun in boogieGlobalData.Functions)
{
uniqueNamer.GetName(fun.Name, "o123_" + fun.Name);
}
foreach (var variable in finalProgData.AllVariables())
{
uniqueNamer.GetName(variable.Name, "o123_" + variable.Name);
}
//Hack: translate vc variable based on name, to ensure that applying erasure multiple times shares the same variables
var translator = VCExprToIsaTranslator.CreateNameBasedTranslator(uniqueNamer);
translator.SetFunctionNamer(uniqueNamer);
translator.SetTryInstantiatingFunctions(true);
vcHintManager = new VCHintManager(new VcRewriteLemmaGen(factory, translator));
}
public static Theory ProgramToVcProof(
string theoryName,
bool generateEndToEndProof,
CFGRepr finalCfg,
CFGRepr afterPassificationCfg,
IDictionary <Block, Block> afterPassiveToFinalBlock,
IDictionary <Block, Block> afterPassiveToOrigBlock,
IProgramAccessor passiveProgAccess,
IProgramAccessor beforePassiveProgAccess,
BoogieMethodData methodData,
ProgramVcProofData vcProofData,
IVariableTranslationFactory varFactory,
TypePremiseEraserFactory eraserFactory,
VCExpressionGenerator gen,
out Term vcAssm,
out LemmaDecl endToEndLemma)
{
var lemmaNamer = new IsaUniqueNamer();
var passiveLemmaManager = new VcPhaseLemmaManager(
vcProofData.VcBoogieInfo.VcInst,
methodData,
vcProofData.VcFunctions,
passiveProgAccess.BlockInfo(),
varFactory);
var afterPassiveReachableBlocks = ReachableBlocks(afterPassificationCfg);
var finalProgramLemmas =
GenerateVCLemmas(afterPassificationCfg, finalCfg, afterPassiveToFinalBlock, afterPassiveToOrigBlock,
afterPassiveReachableBlocks, passiveLemmaManager, vcProofData.VcHintManager, lemmaNamer);
var cfgProgramLemmas =
GenerateCfgLemmas(afterPassificationCfg, finalCfg, afterPassiveToFinalBlock,
afterPassiveReachableBlocks, finalProgramLemmas, passiveLemmaManager, passiveProgAccess.CfgDecl(),
lemmaNamer);
var afterPassificationDecls = new List <OuterDecl>();
foreach (var v in finalProgramLemmas.Values)
{
afterPassificationDecls.AddRange(v);
}
afterPassificationDecls.AddRange(cfgProgramLemmas.Values);
var afterPassificationLocale =
GenerateLocale("passification", passiveLemmaManager, afterPassificationDecls);
var passiveOuterDecls = new List <OuterDecl> {
vcProofData.VcLocale
};
passiveOuterDecls.Add(afterPassificationLocale);
//generate axiom
var axiomUniqueNamer = new IsaUniqueNamer();
var axId = 0;
var axiomToLemma = new Dictionary <Axiom, OuterDecl>();
var vcRewriteLemmaGen =
new VcRewriteLemmaGen(eraserFactory, VCExprToIsaTranslator.CreateNameBasedTranslator(new IsaUniqueNamer()));
var vcAxiomLemmaManager = new VcAxiomLemmaManager(
vcProofData.VcBoogieInfo.VcInstAxiom,
methodData,
vcProofData.VcFunctions,
vcRewriteLemmaGen, varFactory);
var axiomLocaleRequiredDecls = new List <OuterDecl>();
foreach (var axiom in vcProofData.VcBoogieInfo.VcAxiomsInfo)
{
if (axiom is VcBoogieAxiomInfo vcBoogieAxiom)
{
var axiomVcLemma =
vcAxiomLemmaManager.AxiomVcLemma(
axiomUniqueNamer.GetName(axiom, "axiom_vc_" + axId),
vcBoogieAxiom.Axiom,
vcBoogieAxiom.Expr,
out var requiredDecls);
axiomToLemma.Add(vcBoogieAxiom.Axiom, axiomVcLemma);
axiomLocaleRequiredDecls.AddRange(requiredDecls);
}
}
/* we add the required declarations for the axiom locale to the outer theory, since the axiom locale fixes variables that could clash
* with the declarations */
passiveOuterDecls.AddRange(axiomLocaleRequiredDecls);
var axiomLocale = GenerateLocale("axioms", vcAxiomLemmaManager, axiomToLemma.Values.ToList());
passiveOuterDecls.Add(axiomLocale);
if (generateEndToEndProof)
{
var endToEnd = new EndToEndVCProof(
methodData,
passiveProgAccess,
vcProofData.VcFunctions,
vcProofData.VcBoogieInfo,
afterPassificationCfg,
finalCfg,
afterPassificationLocale.Name + "." + cfgProgramLemmas[afterPassificationCfg.entry].Name,
axiomLocale.Name,
ax => axiomLocale.Name + "." + axiomToLemma[ax].Name,
varFactory,
vcProofData.VcTranslator,
eraserFactory,
gen);
passiveOuterDecls.AddRange(endToEnd.GenerateProof(out vcAssm, out endToEndLemma));
}
else
{
vcAssm = null;
endToEndLemma = null;
}
return
(new Theory(theoryName,
new List <string>
{
"Boogie_Lang.Semantics", "Boogie_Lang.Util", "Boogie_Lang.VCHints", "Boogie_Lang.VCPhaseML",
passiveProgAccess.TheoryName(), beforePassiveProgAccess.TheoryName()
},
passiveOuterDecls));
}
