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Add deprecation warning for intrinsic __CPROVER_allocated_memory #6876

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Merged
merged 2 commits into from
May 31, 2022
Merged

Add deprecation warning for intrinsic __CPROVER_allocated_memory #6876

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d6c19db
Add deprecation warning for intrinsic `__CPROVER_allocated_memory` in…
NlightNFotis May 24, 2022
ece1a84
Add a pattern to match deprecation warning in memory_allocation1.desc
NlightNFotis May 24, 2022
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1 change: 1 addition & 0 deletions regression/cbmc/memory_allocation1/test.desc
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Expand Up @@ -3,6 +3,7 @@ main.c
--pointer-check
^EXIT=10$
^SIGNAL=0$
^\*\*\*\* WARNING: `__CPROVER_allocated_memory' in file main\.c line \d+ function main$
^\[main\.pointer_dereference\.2\] .* dereference failure: invalid integer address in \*p: SUCCESS$
^\[main\.assertion\.1\] .* assertion \*p==42: SUCCESS$
^\[main\.pointer_dereference\.[0-9]+\] .* dereference failure: invalid integer address in p\[.*1\]: FAILURE$
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11 changes: 11 additions & 0 deletions src/ansi-c/goto_check_c.cpp
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Expand Up @@ -436,6 +436,17 @@ void goto_check_ct::collect_allocations(const goto_functionst &goto_functions)
"allocated_memory")
continue;

const auto function_line = function.source_location().as_string();
log.warning() << "**** WARNING: `" CPROVER_PREFIX "allocated_memory' in "
<< function_line << messaget::eom;
log.warning() << "**** WARNING: `" CPROVER_PREFIX
"allocated_memory' is "
"deprecated and scheduled for deletion "
<< "in version 6 and upwards." << messaget::eom;
log.warning() << "Please avoid using this intrinsic. For more "
"information, please check issue "
<< "cbmc#6872 in Github" << messaget::eom;

const code_function_callt::argumentst &args =
instruction.call_arguments();
if(
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