bug in cache making it using the opposite option (hash vs bin)

core/src/main/scala/stainless/verification/VerificationCache.scala

@@ -41,7 +41,7 @@ trait VerificationCache extends VerificationChecker { self =>
 
  private lazy val vccache = CacheLoader.get(context)
 
- private val hashCacheFlag = context.options.findOptionOrDefault(utils.Caches.optBinaryCache)
+ private val binaryCacheFlag = context.options.findOptionOrDefault(utils.Caches.optBinaryCache)
 
  override def checkVC(vc: VC, origVC: VC, sf: SolverFactory { val program: self.program.type }) = {
  reporter.debug(s" - Checking cache: '${vc.kind}' VC for ${vc.fid} @${vc.getPos}...")(using DebugSectionVerification)
@@ -60,13 +60,13 @@ trait VerificationCache extends VerificationChecker { self =>
 
  val serialized = serializer.serialize((vc.satisfiability, canonicalSymbols, canonicalExpr))
 
- val key: CacheKey = if(hashCacheFlag) {
- val bytes = MessageDigest.getInstance("SHA-256").digest(serialized.bytes)
- CacheKey(bytes)
+ val key: CacheKey = if(binaryCacheFlag) {
+ CacheKey(serialized.bytes)
  } else {
- CacheKey(serialized.bytes)
+ val bytes = MessageDigest.getInstance("SHA-256").digest(serialized.bytes)
+ CacheKey(bytes)
  }
-
+ reporter.debug(s"CacheKey size = ${key.content.size} and serialised size = ${serializer.serialize(key.toSeq).bytes.length}")(using DebugSectionVerification)
  if (vccache.contains(key)) {
  reporter.debug(s"Cache hit: '${vc.kind}' VC for ${vc.fid.asString} @${vc.getPos}...")(using DebugSectionVerification)
  given DebugSectionCacheHit.type = DebugSectionCacheHit
@@ -82,9 +82,8 @@ trait VerificationCache extends VerificationChecker { self =>
  reporter.ifDebug { debug =>
  given DebugSectionCacheMiss.type = DebugSectionCacheMiss
  given PrinterOptions = new PrinterOptions(printUniqueIds = true, printTypes = true, symbols = Some(canonicalSymbols))
-
+ 
  debugVC(vc, origVC)
-
  debug("Canonical symbols:")
  debug(" ## SORTS ##")
  debug(canonicalSymbols.sorts.values.map(_.asString).toList.sorted.mkString("\n\n"))