Shape analysis#58

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lucaspena wants to merge 133 commits intomasterfrom

shape-analysis

Commits on May 8, 2020

build: Generate tests for t/*.smt and t/*.kore (these are not part of the smoke tests however)
nishantjr
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Commits on May 9, 2020

build: Replace ls_nonrec_entail_ls_{07 => 05}.sb.smt2 and add kore smoke test
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configuration: strategies are now in the <k> cell. goals in <claim>
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build: Work around different extensions being used by kore and smt tests
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build: uncomment out kore and smt tests, add some missing expected files

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add footprint analysis rule. modify matching to handle heap variable

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move footprint analysis from unfolding to matching

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matching: footprint analysis uses match to find instance of pto on LHS

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testlists: dll-vc05: Use kt as part of the search instead of manually specifying it.
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matching: #matchStuck is own sort now, results in stuck configuration if fires

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matching: remove spurious side condition in matchAssocComm rule causing rule not to fire

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begin nullity analysis strategy

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Fix claim vs strategy cell issues
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add strategy to abstract away LHS spatial part

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simplification: simplify substitute-equals-for-equals - call subst directly instead of substPatternsMap

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modify nullity analysis, kt-solve-implications

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extra dnfPs case: and(not(and))

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and-split-rhs added

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more general kt-collapse rule subsuming ad-hoc rule

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wip: somewhat ad-hoc strategy for abstract nil terms

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kt: added fail case for kt-collapse back

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simplification: fix small bug in #getNewVariables

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kt: ktForEachLRP(.Patterns) fails instead of noop

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WIP: knaster-tarski: substituting keeps predicate information after kt-unfold

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fix claim v strategy
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kt: split kt-unfold into kt-unfold and kt-subst

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wip: lift-constraints has incorrect canonical form

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completely reimplement lift-constraints (correctly this time)

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alpha rename in RHS of kt-subst

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incomplete: resolution rule
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fix kt-collapse rule
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knaster-tarski: dont call dnfPs until kt-collapse-unsat

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use substitution for kt-wrap, left-unfold instead of specialized FOL/SL rules

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wip on kt-collapse with resolution

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add test for matching over symbolic heap

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add constructor axiom

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check-lhs-constraint-unsat-debug strategy

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wip on match-assoc-comm test of match within a conjunction of multiple seps

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rename instantiate-axiom to instantiate-heap-axiom

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pto-is-injective strategy

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wip on abstracting nil

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nil no longer parameterized symbol

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matching with heap variable must be at end of pattern list

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move spatial-patterns-match strategy

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footprint-analysis: symbolic heap must be at end of sep

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dll-vc07 goes through

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Fix codeblock formatting
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right-unfold-all: base case is noop, falls back on search-bound base case

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spatial-patterns-match: iterates on all heaps on LHS

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search-bound: add spatial-patterns-match before smt call

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dll-vc11 goes through with footprint-analysis, abstract-nil

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filterVariablesBySort: move to kore-lang

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nullity-analysis: generalize to work over all location variables

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kt-collapse: failing rule does not rewrite claim cell

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kt-collapse-unsat: heap variable added at end of sep

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change #hole to VariableName instead of Variable

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kt-collapse: use subgoal to collapse context using full power of prover

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match: rotate heap variable when not at end of pattern list

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match: lhs can have multiple seps

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spatial-patterns-equal: wip on multiple seps on LHS

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spatial-patterns-match: works with multiple seps anywhere on lhs

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spatial-patterns-equal: handles case of multiple seps on RHS

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kt-collapse: add heap variable to rule 2a on LHS

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matching: match on multiple heaps on RHS

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spatial-patterns-equal: lift-constraints after removing heaps

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kt-collapse-resolve: still applies with empty constraints

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match: terms can be and(.Patterns)

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frame: use spatial-patterns-match instead of subsumes-spatial

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abstract: more general abstraction of nil, dll-vc17 goes through

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kt-collapse: Remove unneeded sidecondition on Univerals
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re-parameterize nil with sort (needed for nll cases with multiple heaps)

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strategy for nll-vc03

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strategies/kt: Split kt into multiple modular strategies; fix broken kt-resolve strategy
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simplification: lift-or: handle \implies(\and(\or()...)
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simplification: instantiate-existentials: also instantiate existentials in LHS of context
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core: and-split: \and(.Patterns) => success
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search-sl: Do a check-lhs-constraint-unsat since the kt-collapse-no-match is likely lhs-unsat
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Update notes about `kt-collapse`
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abstract: additional case for #createDisequalities

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strategy for nll-vc04

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frame of #hole goes to fail

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strategy for nll_vc08 and nll_vc10

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lib/render-proof-tree
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match-debug
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matching: match: Everything matches \top
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claim v strategy
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matching: spatial-patterns-match: Fix non-termination; Use #match
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kt: Number of fixes for:
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t/SL-COMP18/bench/qf_shid_entl/tseg_join_tree_entail_tseg.sb.smt2 passing
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Remove tests without expected results
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claim v strategy
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strategy to remove constraints from lhs, lsegex4_slk-1 goes through

lucaspena
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smt-driver: nil is a constructor

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simplification: fix comment on remove constraints

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testlists: skl3-vc10 goes through

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ltl test: until implies eventually

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t/: Place LTL test in own folder
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kt: Do not normalize in KT. This happens in the search in any case
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drivers/base: Fix typo in configuration format attribute
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begin work on mu/ltl
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kore: getReturnSort: Case of \mu, \or, \and
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wip on adding support for \mu for ltl example

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fix spacing right-unfold-Nth

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fix typo

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more wip on until implies eventually

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Commits on May 10, 2020

Commits on May 11, 2020

fix preprocessing for matching, until implies eventually goes through
lucaspena
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Commits on May 12, 2020

wip on gfp strategy for nu, base case for ltl ind rule goes through
lucaspena
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Commits

Commits on May 8, 2020

Commits on May 9, 2020

Commits on May 10, 2020

Commits on May 11, 2020

Commits on May 12, 2020

Commits on May 14, 2020

Commits on May 15, 2020