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IDProjectCategoryView StatusDate SubmittedLast Update
0001630Frama-CPlug-in > wppublic2014-01-23 19:272015-03-17 22:17
Assigned Tocorrenson 
PlatformOSOS Version
Product VersionFrama-C Fluorine-20130601 
Target VersionFixed in VersionFrama-C Sodium 
Summary0001630: Make identifiers in Coq proofs more similar to those from C code
DescriptionWhen I want to proof an obligation for function foo(int* a, int n) then the Coq representation of the obligation uses the identifiers "a_0" and "n_0". In my opinion, the proofs would be easier to read if WP would generate the names "a" and "n". (I often use "remember a_0 as a" to achieve this, but it would be nicer if I did not have to do it manually.)
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correnson (manager)
2014-02-05 13:13

This is difficult to implement in a safe way. We need to avoid name clashes, and we rely on patterns to do this. Hence, pattern "_" is reserved for local variables, whereas "" might clash with keywords, models and (unknown) user definitions.
correnson (manager)
2014-02-05 13:15

Feature wish postponed to a future release.
jens (reporter)
2014-03-16 18:32

Could this be done at least for the names in logic declarations in ACSL? For example, the variable names of an axiom such as axiom CountUnion: \forall value_type *a, v, integer i, j, k; 0 <= i <= j <= k ==> Count(a, v, i ,k) == Count(a, v, i, j) + Count(a, v, j, k); looks like this on the Coq level Q_CountUnion : forall (i_0 j_0 k_0 v_0 : int) (Mint_0 : farray addr int) (a_0 : addr), 0 <= i_0 -> i_0 <= j_0 -> j_0 <= k_0 -> is_sint32 v_0 -> L_Count Mint_0 a_0 v_0 i_0 k_0 = L_Count Mint_0 a_0 v_0 i_0 j_0 + L_Count Mint_0 a_0 v_0 j_0 k_0 It would be nice, if the arguments would read i, j, k, v, and a on the Coq-level.
correnson (manager)
2014-06-02 17:05
edited on: 2014-06-02 17:06

Fix committed to master branch. Only for short names (1 letter) with index 0.

- Issue History
Date Modified Username Field Change
2014-01-23 19:27 jens New Issue
2014-01-23 19:27 jens Status new => assigned
2014-01-23 19:27 jens Assigned To => correnson
2014-02-05 13:13 correnson Note Added: 0004491
2014-02-05 13:15 correnson Note Added: 0004492
2014-02-05 13:15 correnson Status assigned => acknowledged
2014-03-16 18:32 jens Note Added: 0004971
2014-06-02 17:05 correnson Note Added: 0005189
2014-06-02 17:05 correnson Status acknowledged => resolved
2014-06-02 17:05 correnson Resolution open => fixed
2014-06-02 17:06 correnson Note Edited: 0005189 View Revisions
2015-03-17 22:17 signoles Fixed in Version => Frama-C Sodium
2015-03-17 22:17 signoles Status resolved => closed

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