case class RStrongFailure(msg: String) extends ContextResult with Product with Serializable
Strong failures represent an issue that must be reported regardless of what happens on other branches
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- new RStrongFailure(msg: String)
Type Members
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type
Item = (Option[Ident], Formula, Boolean)
(optional identifier, fact, whether fact corresponds to an assignment)
(optional identifier, fact, whether fact corresponds to an assignment)
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- ContextResult
Value Members
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final
def
!=(arg0: Any): Boolean
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final
def
##(): Int
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def
++(other: ContextResult): ContextResult
- returns
results of both contexts, swallowing weak errors
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- ContextResult
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final
def
==(arg0: Any): Boolean
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def
admissiblePart(inContext: Context, tabooProgramVars: Set[Variable], tabooFactVars: Set[Ident]): ContextResult
- returns
only those results which can soundly be accessed in the given context, assuming a given set of taboo variables (i.e. variables which were bound after the context and before the reference site)
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- ContextResult
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final
def
asInstanceOf[T0]: T0
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- Any
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def
asList: List[(Option[Ident], Formula)]
- returns
association list of results
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- RStrongFailure → ContextResult
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def
assignFact(as: Assign): Formula
- returns
fact corresponding to assignment
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- ContextResult
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def
assignId(as: Assign): Option[Ident]
- returns
fact identifier corresponding to assignment
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- ContextResult
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def
clone(): AnyRef
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- protected[java.lang]
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def
elaborated(kc: Context, cq: ContextQuery): ContextResult
- returns
"same" result with (user-defined and internal) function symbols fully elaborated
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- ContextResult
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final
def
eq(arg0: AnyRef): Boolean
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def
filter(p: (Item) ⇒ Boolean): ContextResult
- returns
context result where successful results are filtered by p
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- ContextResult
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def
finalize(): Unit
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def
foreach(p: (Item) ⇒ Unit): Unit
Apply p for side effects to every successful result and ignore values.
Apply p for side effects to every successful result and ignore values.
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- ContextResult
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def
formulas: List[Formula]
- returns
formulas for each fact and assignment
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- ContextResult
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final
def
getClass(): Class[_]
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def
idents: List[Ident]
- returns
all identifiers found
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def
isEmpty: Boolean
- returns
whether result contains no facts/assignments
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final
def
isInstanceOf[T0]: Boolean
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def
matchingPart(cq: ContextQuery): ContextResult
- returns
only the portion which satisfies the given query
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- ContextResult
- val msg: String
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final
def
ne(arg0: AnyRef): Boolean
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def
nonEmpty: Boolean
- returns
whether result contains facts/assignments
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final
def
notify(): Unit
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final
def
notifyAll(): Unit
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final
def
synchronized[T0](arg0: ⇒ T0): T0
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final
def
wait(): Unit
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final
def
wait(arg0: Long, arg1: Int): Unit
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final
def
wait(arg0: Long): Unit
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KeYmaera X: An aXiomatic Tactical Theorem Prover
KeYmaera X is a theorem prover for differential dynamic logic (dL), a logic for specifying and verifying properties of hybrid systems with mixed discrete and continuous dynamics. Reasoning about complicated hybrid systems requires support for sophisticated proof techniques, efficient computation, and a user interface that crystallizes salient properties of the system. KeYmaera X allows users to specify custom proof search techniques as tactics, execute tactics in parallel, and interface with partial proofs via an extensible user interface.
http://keymaeraX.org/
Concrete syntax for input language Differential Dynamic Logic
Package Structure
Main documentation entry points for KeYmaera X API:
edu.cmu.cs.ls.keymaerax.core- KeYmaera X kernel, proof certificates, main data structuresExpression- Differential dynamic logic expressions:Term,Formula,ProgramSequent- Sequents of formulasProvable- Proof certificates transformed by rules/axiomsRule- Proof rules as well asUSubstOnefor (one-pass) uniform substitutions and renaming.StaticSemantics- Static semantics with free and bound variable analysisKeYmaeraXParser.edu.cmu.cs.ls.keymaerax.parser- Parser and pretty printer with concrete syntax and notation for differential dynamic logic.KeYmaeraXPrettyPrinter- Pretty printer producing concrete KeYmaera X syntaxKeYmaeraXParser- Parser reading concrete KeYmaera X syntaxKeYmaeraXArchiveParser- Parser reading KeYmaera X model and proof archive.kyxfilesDLParser- Combinator parser reading concrete KeYmaera X syntaxDLArchiveParser- Combinator parser reading KeYmaera X model and proof archive.kyxfilesedu.cmu.cs.ls.keymaerax.infrastruct- Prover infrastructure outside the kernelUnificationMatch- Unification algorithmRenUSubst- Renaming Uniform Substitution quickly combining kernel's renaming and substitution.Context- Representation for contexts of formulas in which they occur.Augmentors- Augmenting formula and expression data structures with additional functionalityExpressionTraversal- Generic traversal functionality for expressionsedu.cmu.cs.ls.keymaerax.bellerophon- Bellerophon tactic language and tactic interpreterBelleExpr- Tactic language expressionsSequentialInterpreter- Sequential tactic interpreter for Bellerophon tacticsedu.cmu.cs.ls.keymaerax.btactics- Bellerophon tactic library for conducting proofs.TactixLibrary- Main KeYmaera X tactic library including many proof tactics.HilbertCalculus- Hilbert Calculus for differential dynamic logicSequentCalculus- Sequent Calculus for propositional and first-order logicHybridProgramCalculus- Hybrid Program Calculus for differential dynamic logicDifferentialEquationCalculus- Differential Equation Calculus for differential dynamic logicUnifyUSCalculus- Unification-based uniform substitution calculus underlying the other calculi[edu.cmu.cs.ls.keymaerax.btactics.UnifyUSCalculus.ForwardTactic ForwardTactic]- Forward tactic framework for conducting proofs from premises to conclusionsedu.cmu.cs.ls.keymaerax.lemma- Lemma mechanismLemma- Lemmas are Provables stored under a name, e.g., in files.LemmaDB- Lemma database stored in files or database etc.edu.cmu.cs.ls.keymaerax.tools.qe- Real arithmetic back-end solversMathematicaQETool- Mathematica interface for real arithmetic.Z3QETool- Z3 interface for real arithmetic.edu.cmu.cs.ls.keymaerax.tools.ext- Extended back-ends for noncritical ODE solving, counterexamples, algebra, simplifiers, etc.Mathematica- Mathematica interface for ODE solving, algebra, simplification, invariant generation, etc.Z3- Z3 interface for real arithmetic including simplifiers.Entry Points
Additional entry points and usage points for KeYmaera X API:
edu.cmu.cs.ls.keymaerax.launcher.KeYmaeraX- Command-line launcher for KeYmaera X supports command-line argument-helpto obtain usage informationedu.cmu.cs.ls.keymaerax.btactics.AxIndex- Axiom indexing data structures with keys and recursors for canonical proof strategies.edu.cmu.cs.ls.keymaerax.btactics.DerivationInfo- Meta-information on all derivation steps (axioms, derived axioms, proof rules, tactics) with user-interface info.edu.cmu.cs.ls.keymaerax.bellerophon.UIIndex- Index determining which canonical reasoning steps to display on the KeYmaera X User Interface.edu.cmu.cs.ls.keymaerax.btactics.Ax- Registry for derived axioms and axiomatic proof rules that are proved from the core.References
Full references on KeYmaera X are provided at http://keymaeraX.org/. The main references are the following:
1. André Platzer. A complete uniform substitution calculus for differential dynamic logic. Journal of Automated Reasoning, 59(2), pp. 219-265, 2017.
2. Nathan Fulton, Stefan Mitsch, Jan-David Quesel, Marcus Völp and André Platzer. KeYmaera X: An axiomatic tactical theorem prover for hybrid systems. In Amy P. Felty and Aart Middeldorp, editors, International Conference on Automated Deduction, CADE'15, Berlin, Germany, Proceedings, volume 9195 of LNCS, pp. 527-538. Springer, 2015.
3. André Platzer. Logical Foundations of Cyber-Physical Systems. Springer, 2018. Videos