E-ACSL: executes "__store_block()" but never "__delete_block()"!

ID0001636: This issue was created automatically from Mantis Issue 1636. Further discussion may take place here.

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Id	Project	Category	View	Due Date	Updated
ID0001636	Frama-C	Plug-in > E-ACSL	public	2014-01-30	2015-06-08

Reporter	ThomasJ	Assigned To	signoles	Resolution	fixed
Priority	normal	Severity	major	Reproducibility	always
Platform	-	OS	-	OS Version	-
Product Version	Frama-C Fluorine-20130601	Target Version	Frama-C Sodium	Fixed in Version	Frama-C Sodium

Description :

E-ACSL translation of a simple printf like: printf("###");

results in the following code:

char *__e_acsl_literal_string;

__e_acsl_literal_string = "###";
__store_block((void *)__e_acsl_literal_string,sizeof("###"));
__full_init((void *)__e_acsl_literal_string);
__literal_string((void *)__e_acsl_literal_string);
printf(__e_acsl_literal_string);

The "__store_block()" function allocates memory, but there is no "__delete_block()" function in order to deallocate the memory!

Consider a periodic execution of printf()... On my ARM processor with 1024KByte Flash and 160KByte RAM, this malloc without free will end up in the following error: "assertion "new_leaf != NULL" failed: file "e-acsl/memory_model/e_acsl_bittree.c", line 256, function: __add_element"

malloc without free! :O

Steps To Reproduce :

E-ACSL translation of: int main(void) { int x = 0;

/*@ assert x == 0; */

while(1) { printf("###"); } return 0; }