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Merge pull request #1297 from reb-ddm/linear-two-var-equality
Linear Two-Variable Equalities Analysis
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,146 @@ | ||
| { | ||
| "ana": { | ||
| "sv-comp": { | ||
| "enabled": true, | ||
| "functions": true | ||
| }, | ||
| "int": { | ||
| "def_exc": true, | ||
| "enums": false, | ||
| "interval": true | ||
| }, | ||
| "float": { | ||
| "interval": true | ||
| }, | ||
| "activated": [ | ||
| "base", | ||
| "threadid", | ||
| "threadflag", | ||
| "threadreturn", | ||
| "mallocWrapper", | ||
| "mutexEvents", | ||
| "mutex", | ||
| "access", | ||
| "race", | ||
| "escape", | ||
| "expRelation", | ||
| "mhp", | ||
| "assert", | ||
| "var_eq", | ||
| "symb_locks", | ||
| "region", | ||
| "thread", | ||
| "threadJoins" , | ||
| "lin2vareq" | ||
| ], | ||
| "path_sens": [ | ||
| "mutex", | ||
| "malloc_null", | ||
| "uninit", | ||
| "expsplit", | ||
| "activeSetjmp", | ||
| "memLeak", | ||
| "threadflag" | ||
| ], | ||
| "context": { | ||
| "widen": false | ||
| }, | ||
| "malloc": { | ||
| "wrappers": [ | ||
| "kmalloc", | ||
| "__kmalloc", | ||
| "usb_alloc_urb", | ||
| "__builtin_alloca", | ||
| "kzalloc", | ||
|
|
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| "ldv_malloc", | ||
|
|
||
| "kzalloc_node", | ||
| "ldv_zalloc", | ||
| "kmalloc_array", | ||
| "kcalloc", | ||
|
|
||
| "ldv_xmalloc", | ||
| "ldv_xzalloc", | ||
| "ldv_calloc", | ||
| "ldv_kzalloc" | ||
| ] | ||
| }, | ||
| "base": { | ||
| "arrays": { | ||
| "domain": "partitioned" | ||
| } | ||
| }, | ||
| "race": { | ||
| "free": false, | ||
| "call": false | ||
| }, | ||
| "autotune": { | ||
| "enabled": true, | ||
| "activated": [ | ||
| "singleThreaded", | ||
| "mallocWrappers", | ||
| "noRecursiveIntervals", | ||
| "enums", | ||
| "congruence", | ||
| "wideningThresholds", | ||
| "loopUnrollHeuristic", | ||
| "memsafetySpecification", | ||
| "termination", | ||
| "tmpSpecialAnalysis" | ||
| ] | ||
| } | ||
| }, | ||
| "exp": { | ||
| "region-offsets": true | ||
| }, | ||
| "solver": "td3", | ||
| "sem": { | ||
| "unknown_function": { | ||
| "spawn": false | ||
| }, | ||
| "int": { | ||
| "signed_overflow": "assume_none" | ||
| }, | ||
| "null-pointer": { | ||
| "dereference": "assume_none" | ||
| } | ||
| }, | ||
| "witness": { | ||
| "graphml": { | ||
| "enabled": true, | ||
| "id": "enumerate", | ||
| "unknown": false | ||
| }, | ||
| "yaml": { | ||
| "enabled": true, | ||
| "format-version": "2.0", | ||
| "entry-types": [ | ||
| "invariant_set" | ||
| ], | ||
| "invariant-types": [ | ||
| "loop_invariant" | ||
| ] | ||
| }, | ||
| "invariant": { | ||
| "loop-head": true, | ||
| "after-lock": false, | ||
| "other": false, | ||
| "accessed": false, | ||
| "exact": true, | ||
| "exclude-vars": [ | ||
| "tmp\\(___[0-9]+\\)?", | ||
| "cond", | ||
| "RETURN", | ||
| "__\\(cil_\\)?tmp_?[0-9]*\\(_[0-9]+\\)?", | ||
| ".*____CPAchecker_TMP_[0-9]+", | ||
| "__VERIFIER_assert__cond", | ||
| "__ksymtab_.*", | ||
| "\\(ldv_state_variable\\|ldv_timer_state\\|ldv_timer_list\\|ldv_irq_\\(line_\\|data_\\)?[0-9]+\\|ldv_retval\\)_[0-9]+" | ||
| ] | ||
| } | ||
| }, | ||
| "pre": { | ||
| "enabled": false | ||
| } | ||
| } |
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| (** {{!RelationAnalysis} Relational integer value analysis} using an OCaml implementation of the linear two-variable equalities domain ([lin2vareq]). | ||
| @see <http://doi.acm.org/10.1145/2049706.2049710> A. Flexeder, M. Petter, and H. Seidl Fast Interprocedural Linear Two-Variable Equalities. *) | ||
|
|
||
| open Analyses | ||
| include RelationAnalysis | ||
|
|
||
| let spec_module: (module MCPSpec) Lazy.t = | ||
| lazy ( | ||
| let module AD = LinearTwoVarEqualityDomain.D2 | ||
| in | ||
| let module Priv = (val RelationPriv.get_priv ()) in | ||
| let module Spec = | ||
| struct | ||
| include SpecFunctor (Priv) (AD) (RelationPrecCompareUtil.DummyUtil) | ||
| let name () = "lin2vareq" | ||
| end | ||
| in | ||
| (module Spec) | ||
| ) | ||
|
|
||
| let get_spec (): (module MCPSpec) = | ||
| Lazy.force spec_module | ||
|
|
||
| let after_config () = | ||
| let module Spec = (val get_spec ()) in | ||
| MCP.register_analysis (module Spec : MCPSpec); | ||
| GobConfig.set_string "ana.path_sens[+]" (Spec.name ()) | ||
|
|
||
| let _ = | ||
| AfterConfig.register after_config |
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| (* This analysis is empty on purpose. It serves only as an alternative dependency | ||
| in cases where the actual domain can't be used because of a missing library. | ||
| It was added because we don't want to fully depend on Apron. *) |
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