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sarah.grebing
ProofScriptParser
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1946789f
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1946789f
authored
Sep 11, 2017
by
Sarah Grebing
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ui/src/main/resources/edu/kit/iti/formal/psdbg/gui/intro.html
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1946789f
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@@ -24,7 +24,7 @@ name. Single '...'and double quotes "..." can both be used.
<br>
Single-line comments are start with //.
<h3>
KeY Rules
</h3>
<h3>
KeY Rules
/Taclets
</h3>
All KeY rules can be used as proof command.
The following command structure is used to apply single KeY rules onto the sequent of a selected goal node.
If no argument is following the proof command the taclet corresponding to this command has to match at most once on the
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@@ -78,10 +78,52 @@ inst_occ="...").
</ul>
<h3>
Macro-Commands
</h3>
In the KeY system macro commands are proof strategies tailored to specific proof tasks.
The available macro commands are listed below. Using them in a script is similar to using rule commands:
The available macro commands can be found using the command help.
Using them in a script is similar to using rule commands:
<br>
MACRONAME (PARAMETERS)?
<br>
Often used macro commands are:
<ul>
<li>
symbex : performs symbolic execution
</li>
<li>
auto: invokes the automatic strategy of key
</li>
<li>
heap_simp: performs heap simplification
</li>
<li>
autopilot: full autopilot
</li>
<li>
autopilot_prep: preparation only autopilot
</li>
<li>
split_prop: propositional expansion w/ splits
</li>
<li>
nosplit_prop: propositional expansion w/o splits
</li>
<li>
simp_upd: update simplification
</li>
<li>
simp_heap: heap simplification
</li>
</ul>
Example:
auto;
<h2>
Selectors
</h2>
As nited before proof commands are implemented as single goal statements.
Some proof commands split a proof into more than one goal.
To allow to apply proof commands in proof state with more than one proof goal, the language allows for
a selector statement
<em>
cases
</em>
. Such a
<em>
cases
</em>
-statement has the following structure:
<br>
cases {
<br>
case MATCHER:
<br>
STATEMENTS
<br>
[default:
<br>
STATEMENTS]?
<br>
}
<h2>
Control Flow Statements
</h2>
The script language allows different statements for control-flow.
Control-Flow statements define blocks, therefor it is neccessary to use curly braces after a control-flow statement.
<ul>
<li>
foreach {STATEMENTS}
</li>
<li>
theOnly {STATEMENTS}
</li>
<li>
repeat {STATEMENTS}
</li>
</ul>
<!--
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website/docs/index.md
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@@ -35,18 +35,30 @@ system for Java program annotated with the Java Modeling Language (JML).
<p>
The protypical implementation includes a proof scripting language that is tailored to the
problem domain of program verification.
The language
p
ar
ticualrily allows to
:
The
main features of the
language ar
e
:
<ol>
<li></li>
<li></li>
<li></li>
<li></li>
<li>
integration of domain specific entities like goal, formula, term and rule as
first-class citizens into the language;
</li>
<li>
an expressive proof goal selection mechanism
<ul>
<li>
to identify and select individual proof branches,
</li>
<li>
to easily switch between proof branches,
</li>
<li>
to select multiple branches for uniform treatment (multi-matching);
</li>
</ul>
that is resilient to small changes in the proof
</li>
<li>
a repetition construct which allows repeated application of proof strategies;
</li>
<li>
support for proof exploration within the language.
</li>
</ol>
Together with the proof scripting language a debugging concept for failed proof attempts
is implemented that leverages well-known concepts from program debugging to
the analysis of failed proof attempts.
</p>
<h2>
Publications
</h2>
A full description of the language and debugging-concept is published at
<a
href=
""
>
HVC 2017
</a>
.
<h2>
Features
</h2>
<div
class=
"column"
>
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