Skip to content

GitLab

  • Projects
  • Groups
  • Snippets
  • Help
    • Loading...
  • Help
    • Help
    • Support
    • Community forum
    • Submit feedback
    • Contribute to GitLab
    • Switch to GitLab Next
  • Sign in / Register
CPAchecker
CPAchecker
  • Project overview
    • Project overview
    • Details
    • Activity
    • Releases
  • Repository
    • Repository
    • Files
    • Commits
    • Branches
    • Tags
    • Contributors
    • Graph
    • Compare
    • Locked Files
  • Issues 301
    • Issues 301
    • List
    • Boards
    • Labels
    • Service Desk
    • Milestones
    • Iterations
  • Merge Requests 13
    • Merge Requests 13
  • Requirements
    • Requirements
    • List
  • CI / CD
    • CI / CD
    • Pipelines
    • Jobs
    • Schedules
    • Test Cases
  • Operations
    • Operations
    • Incidents
    • Environments
  • Packages & Registries
    • Packages & Registries
    • Container Registry
  • Analytics
    • Analytics
    • CI / CD
    • Code Review
    • Insights
    • Issue
    • Repository
    • Value Stream
  • Members
    • Members
  • Activity
  • Graph
  • Create a new issue
  • Jobs
  • Commits
  • Issue Boards
Collapse sidebar
  • SoSy-Lab
  • Software
  • CPAcheckerCPAchecker
  • Issues
  • #348

Closed
Open
Opened Jul 13, 2018 by 🤖 SoSy-Bot 🤖@sosy-botOwner

Support for enums with more than 32bit

Original issue created by @PhilippWendler on 2017-08-22 at 15:30:49, last modified on 2017-08-22 at 15:30:49


By assigning specific values to enum constants, we can force enum types to be larger than 32bit.

This leads to a crash in the predicate analysis, both with linear and bitprecise encoding:

Exception in thread "main" java.lang.AssertionError: numeral value 137438953408 is too big for bitvector of length 32.
        at org.sosy_lab.cpachecker.util.predicates.smt.ReplaceBitvectorWithNumeralAndFunctionTheory.makeBitvector(ReplaceBitvectorWithNumeralAndFunctionTheory.java:171)
        at org.sosy_lab.cpachecker.util.predicates.smt.BitvectorFormulaManagerView.makeBitvector(BitvectorFormulaManagerView.java:152)
        at org.sosy_lab.cpachecker.util.predicates.smt.BitvectorFormulaManagerView.makeBitvector(BitvectorFormulaManagerView.java:58)
        at org.sosy_lab.cpachecker.util.predicates.smt.FormulaManagerView.makeNumber(FormulaManagerView.java:430)
        at org.sosy_lab.cpachecker.util.predicates.pathformula.ctoformula.ExpressionToFormulaVisitor.visit(ExpressionToFormulaVisitor.java:435)
        at org.sosy_lab.cpachecker.util.predicates.pathformula.ctoformula.ExpressionToFormulaVisitor.visit(ExpressionToFormulaVisitor.java:1)
        at org.sosy_lab.cpachecker.cfa.ast.c.CIntegerLiteralExpression.accept(CIntegerLiteralExpression.java:62)
        at org.sosy_lab.cpachecker.util.predicates.pathformula.pointeraliasing.CExpressionVisitorWithPointerAliasing.visitDefault(CExpressionVisitorWithPointerAliasing.java:617)
        at org.sosy_lab.cpachecker.util.predicates.pathformula.pointeraliasing.CExpressionVisitorWithPointerAliasing.visitDefault(CExpressionVisitorWithPointerAliasing.java:1)
        at org.sosy_lab.cpachecker.cfa.ast.c.DefaultCExpressionVisitor.visit(DefaultCExpressionVisitor.java:79)
        at org.sosy_lab.cpachecker.cfa.ast.c.CIntegerLiteralExpression.accept(CIntegerLiteralExpression.java:62)
        at org.sosy_lab.cpachecker.util.predicates.pathformula.pointeraliasing.AssignmentHandler.createRHSExpression(AssignmentHandler.java:209)
        at org.sosy_lab.cpachecker.util.predicates.pathformula.pointeraliasing.AssignmentHandler.handleAssignment(AssignmentHandler.java:154)
        at org.sosy_lab.cpachecker.util.predicates.pathformula.pointeraliasing.AssignmentHandler.handleAssignment(AssignmentHandler.java:224)
        at org.sosy_lab.cpachecker.util.predicates.pathformula.pointeraliasing.CToFormulaConverterWithPointerAliasing.makeDeclaration(CToFormulaConverterWithPointerAliasing.java:988)
        at org.sosy_lab.cpachecker.util.predicates.pathformula.ctoformula.CtoFormulaConverter.createFormulaForEdge(CtoFormulaConverter.java:961)
        at org.sosy_lab.cpachecker.util.predicates.pathformula.ctoformula.CtoFormulaConverter.makeAnd(CtoFormulaConverter.java:822)
        at org.sosy_lab.cpachecker.util.predicates.pathformula.PathFormulaManagerImpl.makeAnd(PathFormulaManagerImpl.java:203)
        at org.sosy_lab.cpachecker.util.predicates.pathformula.PathFormulaManagerImpl.makeAnd(PathFormulaManagerImpl.java:255)
        at org.sosy_lab.cpachecker.util.predicates.pathformula.CachingPathFormulaManager.makeAnd(CachingPathFormulaManager.java:102)
        at org.sosy_lab.cpachecker.cpa.predicate.PredicateTransferRelation.convertEdgeToPathFormula(PredicateTransferRelation.java:231)
        at org.sosy_lab.cpachecker.cpa.predicate.PredicateTransferRelation.getAbstractSuccessorsForEdge(PredicateTransferRelation.java:152)
        at org.sosy_lab.cpachecker.cpa.composite.CompositeTransferRelation.callTransferRelation(CompositeTransferRelation.java:267)
        at org.sosy_lab.cpachecker.cpa.composite.CompositeTransferRelation.getAbstractSuccessorForSimpleEdge(CompositeTransferRelation.java:237)
        at org.sosy_lab.cpachecker.cpa.composite.CompositeTransferRelation.getAbstractSuccessorForEdge(CompositeTransferRelation.java:145)
        at org.sosy_lab.cpachecker.cpa.composite.CompositeTransferRelation.getAbstractSuccessors(CompositeTransferRelation.java:108)
        at org.sosy_lab.cpachecker.cpa.arg.ARGTransferRelation.getAbstractSuccessors(ARGTransferRelation.java:61)
        at org.sosy_lab.cpachecker.core.algorithm.CPAAlgorithm.handleState(CPAAlgorithm.java:286)
        at org.sosy_lab.cpachecker.core.algorithm.CPAAlgorithm.run0(CPAAlgorithm.java:241)
        at org.sosy_lab.cpachecker.core.algorithm.CPAAlgorithm.run(CPAAlgorithm.java:207)
        at org.sosy_lab.cpachecker.core.algorithm.CEGARAlgorithm.run(CEGARAlgorithm.java:197)
        at org.sosy_lab.cpachecker.core.algorithm.counterexamplecheck.CounterexampleCheckAlgorithm.run(CounterexampleCheckAlgorithm.java:137)
        at org.sosy_lab.cpachecker.core.algorithm.ExceptionHandlingAlgorithm.run(ExceptionHandlingAlgorithm.java:163)
        at org.sosy_lab.cpachecker.core.CPAchecker.runAlgorithm(CPAchecker.java:481)
        at org.sosy_lab.cpachecker.core.CPAchecker.run(CPAchecker.java:360)
        at org.sosy_lab.cpachecker.cmdline.CPAMain.main(CPAMain.java:171)
Exception in thread "main" java.lang.IllegalArgumentException: the number 137438953408 doesn't fit in 32 bits
        at org.sosy_lab.java_smt.solvers.mathsat5.Mathsat5NativeApi.msat_make_bv_number(Native Method)
        at org.sosy_lab.java_smt.solvers.mathsat5.Mathsat5BitvectorFormulaManager.makeBitvectorImpl(Mathsat5BitvectorFormulaManager.java:101)
        at org.sosy_lab.java_smt.solvers.mathsat5.Mathsat5BitvectorFormulaManager.makeBitvectorImpl(Mathsat5BitvectorFormulaManager.java:52)
        at org.sosy_lab.java_smt.basicimpl.AbstractBitvectorFormulaManager.makeBitvector(AbstractBitvectorFormulaManager.java:236)
        at org.sosy_lab.cpachecker.util.predicates.smt.BitvectorFormulaManagerView.makeBitvector(BitvectorFormulaManagerView.java:152)
        at org.sosy_lab.cpachecker.util.predicates.smt.BitvectorFormulaManagerView.makeBitvector(BitvectorFormulaManagerView.java:58)
        at org.sosy_lab.cpachecker.util.predicates.smt.FormulaManagerView.makeNumber(FormulaManagerView.java:430)
        at org.sosy_lab.cpachecker.util.predicates.pathformula.ctoformula.ExpressionToFormulaVisitor.visit(ExpressionToFormulaVisitor.java:435)
        at org.sosy_lab.cpachecker.util.predicates.pathformula.ctoformula.ExpressionToFormulaVisitor.visit(ExpressionToFormulaVisitor.java:1)
        at org.sosy_lab.cpachecker.cfa.ast.c.CIntegerLiteralExpression.accept(CIntegerLiteralExpression.java:62)
        at org.sosy_lab.cpachecker.util.predicates.pathformula.pointeraliasing.CExpressionVisitorWithPointerAliasing.visitDefault(CExpressionVisitorWithPointerAliasing.java:617)
        at org.sosy_lab.cpachecker.util.predicates.pathformula.pointeraliasing.CExpressionVisitorWithPointerAliasing.visitDefault(CExpressionVisitorWithPointerAliasing.java:1)
        at org.sosy_lab.cpachecker.cfa.ast.c.DefaultCExpressionVisitor.visit(DefaultCExpressionVisitor.java:79)
        at org.sosy_lab.cpachecker.cfa.ast.c.CIntegerLiteralExpression.accept(CIntegerLiteralExpression.java:62)
        at org.sosy_lab.cpachecker.util.predicates.pathformula.pointeraliasing.AssignmentHandler.createRHSExpression(AssignmentHandler.java:209)
        at org.sosy_lab.cpachecker.util.predicates.pathformula.pointeraliasing.AssignmentHandler.handleAssignment(AssignmentHandler.java:154)
        at org.sosy_lab.cpachecker.util.predicates.pathformula.pointeraliasing.AssignmentHandler.handleAssignment(AssignmentHandler.java:224)
        at org.sosy_lab.cpachecker.util.predicates.pathformula.pointeraliasing.CToFormulaConverterWithPointerAliasing.makeDeclaration(CToFormulaConverterWithPointerAliasing.java:988)
        at org.sosy_lab.cpachecker.util.predicates.pathformula.ctoformula.CtoFormulaConverter.createFormulaForEdge(CtoFormulaConverter.java:961)
        at org.sosy_lab.cpachecker.util.predicates.pathformula.ctoformula.CtoFormulaConverter.makeAnd(CtoFormulaConverter.java:822)
        at org.sosy_lab.cpachecker.util.predicates.pathformula.PathFormulaManagerImpl.makeAnd(PathFormulaManagerImpl.java:203)
        at org.sosy_lab.cpachecker.util.predicates.pathformula.PathFormulaManagerImpl.makeAnd(PathFormulaManagerImpl.java:255)
        at org.sosy_lab.cpachecker.util.predicates.pathformula.CachingPathFormulaManager.makeAnd(CachingPathFormulaManager.java:102)
        at org.sosy_lab.cpachecker.cpa.predicate.PredicateTransferRelation.convertEdgeToPathFormula(PredicateTransferRelation.java:231)
        at org.sosy_lab.cpachecker.cpa.predicate.PredicateTransferRelation.getAbstractSuccessorsForEdge(PredicateTransferRelation.java:152)
        at org.sosy_lab.cpachecker.cpa.composite.CompositeTransferRelation.callTransferRelation(CompositeTransferRelation.java:267)
        at org.sosy_lab.cpachecker.cpa.composite.CompositeTransferRelation.getAbstractSuccessorForSimpleEdge(CompositeTransferRelation.java:237)
        at org.sosy_lab.cpachecker.cpa.composite.CompositeTransferRelation.getAbstractSuccessorForEdge(CompositeTransferRelation.java:145)
        at org.sosy_lab.cpachecker.cpa.composite.CompositeTransferRelation.getAbstractSuccessors(CompositeTransferRelation.java:108)
        at org.sosy_lab.cpachecker.cpa.arg.ARGTransferRelation.getAbstractSuccessors(ARGTransferRelation.java:61)
        at org.sosy_lab.cpachecker.core.algorithm.CPAAlgorithm.handleState(CPAAlgorithm.java:286)
        at org.sosy_lab.cpachecker.core.algorithm.CPAAlgorithm.run0(CPAAlgorithm.java:241)
        at org.sosy_lab.cpachecker.core.algorithm.CPAAlgorithm.run(CPAAlgorithm.java:207)
        at org.sosy_lab.cpachecker.core.algorithm.CEGARAlgorithm.run(CEGARAlgorithm.java:197)
        at org.sosy_lab.cpachecker.core.CPAchecker.runAlgorithm(CPAchecker.java:481)
        at org.sosy_lab.cpachecker.core.CPAchecker.run(CPAchecker.java:360)
        at org.sosy_lab.cpachecker.cmdline.CPAMain.main(CPAMain.java:171)

We need to calculate the size of enums appropriately depending on its enumerator values.

To upload designs, you'll need to enable LFS and have an admin enable hashed storage. More information
Assignee
Assign to
None
Milestone
None
Assign milestone
Time tracking
None
Due date
None
Reference: sosy-lab/software/cpachecker#348