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codetoanalyze/cpp/pulse/basic_string.cpp, use_range_of_invalidated_temporary_string_bad, 2, USE_AFTER_DELETE, no_bucket, ERROR, [invalidation part of the trace starts here,when calling `setLanguage` here,variable `C++ temporary` declared here,passed as argument to `Range::Range`,parameter `str` of Range::Range,return from call to `Range::Range`,passed as argument to `std::basic_string::~basic_string()` (modelled),return from call to `std::basic_string::~basic_string()` (modelled),was invalidated by `delete`,use-after-lifetime part of the trace starts here,passed as argument to `setLanguage`,variable `C++ temporary` declared here,passed as argument to `Range::Range`,parameter `str` of Range::Range,passed as argument to `std::basic_string::data()` (modelled),return from call to `std::basic_string::data()` (modelled),assigned,return from call to `Range::Range`,return from call to `setLanguage`,when calling `Range::operator[]` here,parameter `this` of Range::operator[],invalid access occurs here]
codetoanalyze/cpp/pulse/basics.cpp, multiple_invalidations_branch_bad, 6, USE_AFTER_DELETE, no_bucket, ERROR, [invalidation part of the trace starts here,parameter `ptr` of multiple_invalidations_branch_bad,was invalidated by `delete`,use-after-lifetime part of the trace starts here,parameter `ptr` of multiple_invalidations_branch_bad,invalid access occurs here]
codetoanalyze/cpp/pulse/basics.cpp, multiple_invalidations_branch_bad, 6, USE_AFTER_DELETE, no_bucket, ERROR, [invalidation part of the trace starts here,parameter `ptr` of multiple_invalidations_branch_bad,was invalidated by `delete`,use-after-lifetime part of the trace starts here,parameter `ptr` of multiple_invalidations_branch_bad,invalid access occurs here]
codetoanalyze/cpp/pulse/basics.cpp, multiple_invalidations_loop_bad, 5, USE_AFTER_DELETE, no_bucket, ERROR, [invalidation part of the trace starts here,parameter `ptr` of multiple_invalidations_loop_bad,was invalidated by `delete`,use-after-lifetime part of the trace starts here,parameter `ptr` of multiple_invalidations_loop_bad,invalid access occurs here]
[AI] improve disjunctive domain Summary: Replace horrible hack with ok hack. The main difficulty in implementing the disjunctive domain is to avoid the quadratic time complexity of executing the same disjuncts over and over again when going around loops: First time around a loop, assuming for example a single disjunct `d`: ``` [d] loop body [d1' \/ d2'] ``` Second time around the same loop: the new pre will be the join of the posts of predecessor nodes, so `old_pre \/ post(loop,old_pre)`, i.e. `d \/ d1' \/ d2'`. Now we need to execute `loop body` again *without running the symbolic execution of `d` again* (and the time after that we'll want to not execute `d`, `d1'`, or `d2'`). Horrible hack (before): Disjuncts have a boolean "visited" attached that does its best to keep track of whether a given disjunct is old or new. When executing a single *instruction* look at the flag and skip the state if it's old. Of course we have no way to know for sure so it turns out it was often wrongly re-executing old disjuncts. This was also producing the wrong results over even simple loops: only the last iteration would make it outside the loop for some reason. Overall, the semantics were pretty untractable and shady at best. New hack (this diff): only run instructions of a given *node* on disjuncts that are not physically equal to the "pre" ones already in the invariant map for the current node. This gives the correct result over simple loops and a nice performance improvement in general (probably the old heuristic was hitting the quadratic bad case more often). Reviewed By: skcho Differential Revision: D21154063 fbshipit-source-id: 5ee38c68c
5 years ago
codetoanalyze/cpp/pulse/basics.cpp, multiple_invalidations_loop_bad, 8, USE_AFTER_DELETE, no_bucket, ERROR, [invalidation part of the trace starts here,parameter `ptr` of multiple_invalidations_loop_bad,was invalidated by `delete`,use-after-lifetime part of the trace starts here,parameter `ptr` of multiple_invalidations_loop_bad,invalid access occurs here]
codetoanalyze/cpp/pulse/closures.cpp, call_lambda_bad, 4, USE_AFTER_DELETE, no_bucket, ERROR, [invalidation part of the trace starts here,assigned,was invalidated by `delete`,use-after-lifetime part of the trace starts here,assigned,when calling `call_lambda_bad::lambda_closures.cpp:163:12::operator()` here,parameter `s` of call_lambda_bad::lambda_closures.cpp:163:12::operator(),invalid access occurs here]
codetoanalyze/cpp/pulse/closures.cpp, implicit_ref_capture_destroy_invoke_bad, 6, USE_AFTER_LIFETIME, no_bucket, ERROR, [invalidation part of the trace starts here,variable `s` declared here,is the address of a stack variable `s` whose lifetime has ended,use-after-lifetime part of the trace starts here,variable `s` declared here,value captured as `s`,invalid access occurs here]
codetoanalyze/cpp/pulse/closures.cpp, reassign_lambda_capture_destroy_invoke_bad, 9, USE_AFTER_LIFETIME, no_bucket, ERROR, [invalidation part of the trace starts here,variable `s` declared here,is the address of a stack variable `s` whose lifetime has ended,use-after-lifetime part of the trace starts here,variable `s` declared here,value captured as `s`,invalid access occurs here]
codetoanalyze/cpp/pulse/closures.cpp, ref_capture_destroy_invoke_bad, 6, USE_AFTER_LIFETIME, no_bucket, ERROR, [invalidation part of the trace starts here,variable `s` declared here,is the address of a stack variable `s` whose lifetime has ended,use-after-lifetime part of the trace starts here,variable `s` declared here,value captured as `s`,invalid access occurs here]
codetoanalyze/cpp/pulse/conditionals.cpp, FP_unreachable_interproc_compare_ok, 5, USE_AFTER_FREE, no_bucket, ERROR, [invalidation part of the trace starts here,parameter `x` of FP_unreachable_interproc_compare_ok,was invalidated by call to `free()`,use-after-lifetime part of the trace starts here,parameter `x` of FP_unreachable_interproc_compare_ok,invalid access occurs here]
codetoanalyze/cpp/pulse/conditionals.cpp, add_test3_bad, 3, USE_AFTER_FREE, no_bucket, ERROR, [invalidation part of the trace starts here,parameter `x` of add_test3_bad,was invalidated by call to `free()`,use-after-lifetime part of the trace starts here,parameter `x` of add_test3_bad,invalid access occurs here]
codetoanalyze/cpp/pulse/conditionals.cpp, add_test5_bad, 5, USE_AFTER_FREE, no_bucket, ERROR, [invalidation part of the trace starts here,parameter `x` of add_test5_bad,was invalidated by call to `free()`,use-after-lifetime part of the trace starts here,parameter `x` of add_test5_bad,invalid access occurs here]
codetoanalyze/cpp/pulse/deduplication.cpp, deduplication::SomeTemplatedClass<int*>::lifetime_error_bad, 2, USE_AFTER_DELETE, no_bucket, ERROR, [invalidation part of the trace starts here,parameter `a` of deduplication::SomeTemplatedClass<int*>::lifetime_error_bad,when calling `deduplication::SomeTemplatedClass<int*>::templated_wrapper_delete_ok` here,parameter `a` of deduplication::SomeTemplatedClass<int*>::templated_wrapper_delete_ok,was invalidated by `delete`,use-after-lifetime part of the trace starts here,parameter `a` of deduplication::SomeTemplatedClass<int*>::lifetime_error_bad,when calling `deduplication::SomeTemplatedClass<int*>::templated_wrapper_access_ok` here,parameter `a` of deduplication::SomeTemplatedClass<int*>::templated_wrapper_access_ok,invalid access occurs here]
codetoanalyze/cpp/pulse/deduplication.cpp, deduplication::SomeTemplatedClass<int>::lifetime_error_bad, 2, USE_AFTER_DELETE, no_bucket, ERROR, [invalidation part of the trace starts here,parameter `a` of deduplication::SomeTemplatedClass<int>::lifetime_error_bad,when calling `deduplication::SomeTemplatedClass<int>::templated_wrapper_delete_ok` here,parameter `a` of deduplication::SomeTemplatedClass<int>::templated_wrapper_delete_ok,was invalidated by `delete`,use-after-lifetime part of the trace starts here,parameter `a` of deduplication::SomeTemplatedClass<int>::lifetime_error_bad,when calling `deduplication::SomeTemplatedClass<int>::templated_wrapper_access_ok` here,parameter `a` of deduplication::SomeTemplatedClass<int>::templated_wrapper_access_ok,invalid access occurs here]
codetoanalyze/cpp/pulse/deduplication.cpp, deduplication::templated_function_bad<_Bool>, 3, USE_AFTER_DELETE, no_bucket, ERROR, [invalidation part of the trace starts here,assigned,when calling `deduplication::templated_delete_function<_Bool>` here,parameter `a` of deduplication::templated_delete_function<_Bool>,was invalidated by `delete`,use-after-lifetime part of the trace starts here,assigned,when calling `deduplication::templated_access_function<_Bool>` here,parameter `a` of deduplication::templated_access_function<_Bool>,invalid access occurs here]
codetoanalyze/cpp/pulse/deduplication.cpp, deduplication::templated_function_bad<int>, 3, USE_AFTER_DELETE, no_bucket, ERROR, [invalidation part of the trace starts here,assigned,when calling `deduplication::templated_delete_function<int>` here,parameter `a` of deduplication::templated_delete_function<int>,was invalidated by `delete`,use-after-lifetime part of the trace starts here,assigned,when calling `deduplication::templated_access_function<int>` here,parameter `a` of deduplication::templated_access_function<int>,invalid access occurs here]
[pulse] Distinguish exit state at top level Summary: This diff lifts the `PulseAbductiveDomain.t` in `PulseExecutionState` by tracking whether the program continues the analysis normally or exits unusually (e.g. by calling `exit` or `throw`): ``` type exec_state = | ContinueProgram of PulseAbductiveDomain.t (** represents the state at the program point *) | ExitProgram of PulseAbductiveDomain.t (** represents the state originating at exit/divergence. *) ``` Now, Pulse's actual domain is tracked by `PulseExecutionState` and as soon as we try to analyze an instruction at `ExitProgram`, we simply return its state. The aim is to recover the state at the time of the exit, rather than simply ignoring them (i.e. returning empty disjuncts). This allows us to get rid of some FNs that we were not able to detect before. Moreover, it also allows the impurity analysis to be more precise since we will know how the state changed up to exit. TODO: - Impurity analysis needs to be improved to consider functions that simply exit as impure. - The next goal is to handle error state similarly so that when pulse finds an error, we recover the state at the error location (and potentially continue to analyze?). Disclaimer: currently, we handle throw statements like exit (as was the case before). However, this is not correct. Ideally, control flow from throw nodes follows catch nodes rather than exiting the program entirely. Reviewed By: jvillard Differential Revision: D20791747 fbshipit-source-id: df9e5445a
5 years ago
codetoanalyze/cpp/pulse/exit_test.cpp, store_exit_null_bad, 0, NULLPTR_DEREFERENCE, no_bucket, ERROR, [invalidation part of the trace starts here,assigned,is the null pointer,use-after-lifetime part of the trace starts here,when calling `store_exit` here,parameter `x` of store_exit,invalid access occurs here]
codetoanalyze/cpp/pulse/folly_DestructorGuard.cpp, UsingDelayedDestruction::double_delete_bad, 2, USE_AFTER_DELETE, no_bucket, ERROR, [invalidation part of the trace starts here,parameter `this` of UsingDelayedDestruction::double_delete_bad,was invalidated by `delete`,use-after-lifetime part of the trace starts here,parameter `this` of UsingDelayedDestruction::double_delete_bad,invalid access occurs here]
codetoanalyze/cpp/pulse/frontend.cpp, deref_null_namespace_alias_ptr_bad, 4, USE_AFTER_DELETE, no_bucket, ERROR, [invalidation part of the trace starts here,when calling `some::thing::bad_ptr` here,assigned,was invalidated by `delete`,use-after-lifetime part of the trace starts here,passed as argument to `some::thing::bad_ptr`,return from call to `some::thing::bad_ptr`,assigned,invalid access occurs here]
codetoanalyze/cpp/pulse/interprocedural.cpp, access_to_invalidated_alias2_bad, 3, USE_AFTER_DELETE, no_bucket, ERROR, [invalidation part of the trace starts here,parameter `x` of access_to_invalidated_alias2_bad,assigned,when calling `invalidate_and_set_to_null` here,parameter `x_ptr` of invalidate_and_set_to_null,was invalidated by `delete`,use-after-lifetime part of the trace starts here,parameter `x` of access_to_invalidated_alias2_bad,when calling `wraps_read` here,parameter `x` of wraps_read,when calling `wraps_read_inner` here,parameter `x` of wraps_read_inner,invalid access occurs here]
codetoanalyze/cpp/pulse/interprocedural.cpp, access_to_invalidated_alias_bad, 3, USE_AFTER_DELETE, no_bucket, ERROR, [invalidation part of the trace starts here,parameter `x` of access_to_invalidated_alias_bad,when calling `invalidate_and_set_to_null` here,parameter `x_ptr` of invalidate_and_set_to_null,was invalidated by `delete`,use-after-lifetime part of the trace starts here,parameter `x` of access_to_invalidated_alias_bad,assigned,when calling `wraps_read` here,parameter `x` of wraps_read,when calling `wraps_read_inner` here,parameter `x` of wraps_read_inner,invalid access occurs here]
codetoanalyze/cpp/pulse/interprocedural.cpp, delete_aliased_then_read_bad, 4, USE_AFTER_DELETE, no_bucket, ERROR, [invalidation part of the trace starts here,parameter `x` of delete_aliased_then_read_bad,assigned,was invalidated by `delete`,use-after-lifetime part of the trace starts here,parameter `x` of delete_aliased_then_read_bad,assigned,when calling `wraps_read` here,parameter `x` of wraps_read,when calling `wraps_read_inner` here,parameter `x` of wraps_read_inner,invalid access occurs here]
codetoanalyze/cpp/pulse/interprocedural.cpp, delete_inner_then_write_bad, 2, USE_AFTER_DELETE, no_bucket, ERROR, [invalidation part of the trace starts here,parameter `x` of delete_inner_then_write_bad,when calling `wraps_delete_inner` here,parameter `x` of wraps_delete_inner,was invalidated by `delete`,use-after-lifetime part of the trace starts here,parameter `x` of delete_inner_then_write_bad,when calling `wraps_read` here,parameter `x` of wraps_read,when calling `wraps_read_inner` here,parameter `x` of wraps_read_inner,invalid access occurs here]
codetoanalyze/cpp/pulse/interprocedural.cpp, delete_then_read_bad, 2, USE_AFTER_DELETE, no_bucket, ERROR, [invalidation part of the trace starts here,parameter `x` of delete_then_read_bad,was invalidated by `delete`,use-after-lifetime part of the trace starts here,parameter `x` of delete_then_read_bad,when calling `wraps_read` here,parameter `x` of wraps_read,when calling `wraps_read_inner` here,parameter `x` of wraps_read_inner,invalid access occurs here]
codetoanalyze/cpp/pulse/interprocedural.cpp, delete_then_write_bad, 2, USE_AFTER_DELETE, no_bucket, ERROR, [invalidation part of the trace starts here,parameter `x` of delete_then_write_bad,when calling `wraps_delete` here,parameter `x` of wraps_delete,when calling `wraps_delete_inner` here,parameter `x` of wraps_delete_inner,was invalidated by `delete`,use-after-lifetime part of the trace starts here,parameter `x` of delete_then_write_bad,when calling `wraps_read` here,parameter `x` of wraps_read,when calling `wraps_read_inner` here,parameter `x` of wraps_read_inner,invalid access occurs here]
codetoanalyze/cpp/pulse/interprocedural.cpp, feed_invalid_into_access_bad, 2, USE_AFTER_DELETE, no_bucket, ERROR, [invalidation part of the trace starts here,when calling `may_return_invalid_ptr_ok` here,assigned,was invalidated by `delete`,use-after-lifetime part of the trace starts here,passed as argument to `may_return_invalid_ptr_ok`,return from call to `may_return_invalid_ptr_ok`,assigned,when calling `call_store` here,parameter `y` of call_store,when calling `store` here,parameter `y` of store,invalid access occurs here]
codetoanalyze/cpp/pulse/join.cpp, invalidate_node_alias_bad, 12, USE_AFTER_DELETE, no_bucket, ERROR, [invalidation part of the trace starts here,parameter `head` of invalidate_node_alias_bad,assigned,assigned,was invalidated by `delete`,use-after-lifetime part of the trace starts here,parameter `head` of invalidate_node_alias_bad,assigned,assigned,invalid access occurs here]
codetoanalyze/cpp/pulse/join.cpp, invalidate_node_alias_bad, 12, USE_AFTER_DELETE, no_bucket, ERROR, [invalidation part of the trace starts here,parameter `head` of invalidate_node_alias_bad,assigned,assigned,assigned,was invalidated by `delete`,use-after-lifetime part of the trace starts here,parameter `head` of invalidate_node_alias_bad,assigned,assigned,assigned,invalid access occurs here]
codetoanalyze/cpp/pulse/nullptr.cpp, deref_nullptr_bad, 2, NULLPTR_DEREFERENCE, no_bucket, ERROR, [invalidation part of the trace starts here,assigned,is the null pointer,use-after-lifetime part of the trace starts here,assigned,invalid access occurs here]
codetoanalyze/cpp/pulse/nullptr.cpp, no_check_return_bad, 2, NULLPTR_DEREFERENCE, no_bucket, ERROR, [invalidation part of the trace starts here,when calling `may_return_nullptr` here,assigned,is the null pointer,use-after-lifetime part of the trace starts here,passed as argument to `may_return_nullptr`,return from call to `may_return_nullptr`,assigned,invalid access occurs here]
codetoanalyze/cpp/pulse/nullptr.cpp, std_false_type_deref_bad, 3, NULLPTR_DEREFERENCE, no_bucket, ERROR, [invalidation part of the trace starts here,assigned,is the null pointer,use-after-lifetime part of the trace starts here,assigned,invalid access occurs here]
codetoanalyze/cpp/pulse/nullptr.cpp, std_true_type_deref_bad, 3, NULLPTR_DEREFERENCE, no_bucket, ERROR, [invalidation part of the trace starts here,assigned,is the null pointer,use-after-lifetime part of the trace starts here,assigned,invalid access occurs here]
codetoanalyze/cpp/pulse/reference_wrapper.cpp, reference_wrapper_heap_bad, 2, USE_AFTER_DELETE, no_bucket, ERROR, [invalidation part of the trace starts here,variable `rw` declared here,when calling `getwrapperHeap` here,variable `a` declared here,passed as argument to `WrapsB::WrapsB`,assigned,return from call to `WrapsB::WrapsB`,when calling `WrapsB::~WrapsB` here,parameter `this` of WrapsB::~WrapsB,when calling `WrapsB::__infer_inner_destructor_~WrapsB` here,parameter `this` of WrapsB::__infer_inner_destructor_~WrapsB,was invalidated by `delete`,use-after-lifetime part of the trace starts here,variable `rw` declared here,passed as argument to `getwrapperHeap`,variable `a` declared here,passed as argument to `WrapsB::WrapsB`,assigned,return from call to `WrapsB::WrapsB`,passed as argument to `ReferenceWrapperHeap::ReferenceWrapperHeap`,parameter `a` of ReferenceWrapperHeap::ReferenceWrapperHeap,passed as argument to `WrapsB::getb`,return from call to `WrapsB::getb`,assigned,return from call to `ReferenceWrapperHeap::ReferenceWrapperHeap`,return from call to `getwrapperHeap`,invalid access occurs here]
codetoanalyze/cpp/pulse/reference_wrapper.cpp, reference_wrapper_stack_bad, 2, USE_AFTER_LIFETIME, no_bucket, ERROR, [invalidation part of the trace starts here,variable `rw` declared here,when calling `getwrapperStack` here,variable `b` declared here,is the address of a stack variable `b` whose lifetime has ended,use-after-lifetime part of the trace starts here,variable `rw` declared here,passed as argument to `getwrapperStack`,variable `b` declared here,passed as argument to `ReferenceWrapperStack::ReferenceWrapperStack`,parameter `bref` of ReferenceWrapperStack::ReferenceWrapperStack,assigned,return from call to `ReferenceWrapperStack::ReferenceWrapperStack`,return from call to `getwrapperStack`,invalid access occurs here]
codetoanalyze/cpp/pulse/returns.cpp, returns::return_literal_stack_reference_bad, 0, STACK_VARIABLE_ADDRESS_ESCAPE, no_bucket, ERROR, [variable `C++ temporary` declared here,returned here]
codetoanalyze/cpp/pulse/returns.cpp, returns::return_stack_pointer_bad, 2, STACK_VARIABLE_ADDRESS_ESCAPE, no_bucket, ERROR, [variable `x` declared here,returned here]
codetoanalyze/cpp/pulse/returns.cpp, returns::return_variable_stack_reference1_bad, 2, STACK_VARIABLE_ADDRESS_ESCAPE, no_bucket, ERROR, [variable `C++ temporary` declared here,assigned,returned here]
codetoanalyze/cpp/pulse/returns.cpp, returns::return_variable_stack_reference2_bad, 3, STACK_VARIABLE_ADDRESS_ESCAPE, no_bucket, ERROR, [variable `C++ temporary` declared here,assigned,assigned,returned here]
codetoanalyze/cpp/pulse/std_atomics.cpp, atomic_test::FP_compare_exchange_strong_impossible_npe1_ok, 6, NULLPTR_DEREFERENCE, no_bucket, ERROR, [invalidation part of the trace starts here,assigned,is the null pointer,use-after-lifetime part of the trace starts here,assigned,invalid access occurs here]
codetoanalyze/cpp/pulse/std_atomics.cpp, atomic_test::FP_compare_exchange_strong_impossible_npe2_ok, 6, NULLPTR_DEREFERENCE, no_bucket, ERROR, [invalidation part of the trace starts here,assigned,is the null pointer,use-after-lifetime part of the trace starts here,assigned,invalid access occurs here]
codetoanalyze/cpp/pulse/std_atomics.cpp, atomic_test::FP_compare_exchange_weak_impossible_npe1_ok, 6, NULLPTR_DEREFERENCE, no_bucket, ERROR, [invalidation part of the trace starts here,assigned,is the null pointer,use-after-lifetime part of the trace starts here,assigned,invalid access occurs here]
codetoanalyze/cpp/pulse/std_atomics.cpp, atomic_test::FP_compare_exchange_weak_impossible_npe2_ok, 6, NULLPTR_DEREFERENCE, no_bucket, ERROR, [invalidation part of the trace starts here,assigned,is the null pointer,use-after-lifetime part of the trace starts here,assigned,invalid access occurs here]
codetoanalyze/cpp/pulse/std_atomics.cpp, atomic_test::compare_exchange_strong_possible_npe1_bad, 6, NULLPTR_DEREFERENCE, no_bucket, ERROR, [invalidation part of the trace starts here,assigned,is the null pointer,use-after-lifetime part of the trace starts here,assigned,invalid access occurs here]
codetoanalyze/cpp/pulse/std_atomics.cpp, atomic_test::compare_exchange_strong_possible_npe2_bad, 6, NULLPTR_DEREFERENCE, no_bucket, ERROR, [invalidation part of the trace starts here,assigned,is the null pointer,use-after-lifetime part of the trace starts here,assigned,invalid access occurs here]
codetoanalyze/cpp/pulse/std_atomics.cpp, atomic_test::compare_exchange_weak_possible_npe1_bad, 6, NULLPTR_DEREFERENCE, no_bucket, ERROR, [invalidation part of the trace starts here,assigned,is the null pointer,use-after-lifetime part of the trace starts here,assigned,invalid access occurs here]
codetoanalyze/cpp/pulse/std_atomics.cpp, atomic_test::compare_exchange_weak_possible_npe2_bad, 6, NULLPTR_DEREFERENCE, no_bucket, ERROR, [invalidation part of the trace starts here,assigned,is the null pointer,use-after-lifetime part of the trace starts here,assigned,invalid access occurs here]
codetoanalyze/cpp/pulse/std_atomics.cpp, atomic_test::exchange_possible_npe_bad, 5, NULLPTR_DEREFERENCE, no_bucket, ERROR, [invalidation part of the trace starts here,assigned,is the null pointer,use-after-lifetime part of the trace starts here,assigned,invalid access occurs here]
codetoanalyze/cpp/pulse/std_atomics.cpp, atomic_test::load_store_possible_npe_bad, 5, NULLPTR_DEREFERENCE, no_bucket, ERROR, [invalidation part of the trace starts here,assigned,is the null pointer,use-after-lifetime part of the trace starts here,assigned,invalid access occurs here]
codetoanalyze/cpp/pulse/std_atomics.cpp, atomic_test::pre_increment_decrement_test_bad, 6, NULLPTR_DEREFERENCE, no_bucket, ERROR, [invalidation part of the trace starts here,assigned,is the null pointer,use-after-lifetime part of the trace starts here,assigned,invalid access occurs here]
codetoanalyze/cpp/pulse/temporaries.cpp, temporaries::call_mk_UniquePtr_A_deref_bad, 4, USE_AFTER_DELETE, no_bucket, ERROR, [invalidation part of the trace starts here,variable `C++ temporary` declared here,passed as argument to `temporaries::mk_UniquePtr_A`,passed as argument to `temporaries::UniquePtr<temporaries::A>::UniquePtr`,parameter `y` of temporaries::UniquePtr<temporaries::A>::UniquePtr,assigned,return from call to `temporaries::UniquePtr<temporaries::A>::UniquePtr`,return from call to `temporaries::mk_UniquePtr_A`,when calling `temporaries::UniquePtr<temporaries::A>::~UniquePtr` here,parameter `this` of temporaries::UniquePtr<temporaries::A>::~UniquePtr,when calling `temporaries::UniquePtr<temporaries::A>::__infer_inner_destructor_~UniquePtr` here,parameter `this` of temporaries::UniquePtr<temporaries::A>::__infer_inner_destructor_~UniquePtr,was invalidated by `delete`,use-after-lifetime part of the trace starts here,variable `C++ temporary` declared here,passed as argument to `temporaries::mk_UniquePtr_A`,passed as argument to `temporaries::UniquePtr<temporaries::A>::UniquePtr`,parameter `y` of temporaries::UniquePtr<temporaries::A>::UniquePtr,assigned,return from call to `temporaries::UniquePtr<temporaries::A>::UniquePtr`,return from call to `temporaries::mk_UniquePtr_A`,passed as argument to `temporaries::UniquePtr<temporaries::A>::get`,return from call to `temporaries::UniquePtr<temporaries::A>::get`,assigned,invalid access occurs here]
codetoanalyze/cpp/pulse/trace.cpp, trace_free_bad, 4, USE_AFTER_FREE, no_bucket, ERROR, [invalidation part of the trace starts here,parameter `x` of trace_free_bad,passed as argument to `make_alias`,parameter `src` of make_alias,assigned,return from call to `make_alias`,when calling `do_free` here,parameter `x` of do_free,assigned,was invalidated by call to `free()`,use-after-lifetime part of the trace starts here,parameter `x` of trace_free_bad,invalid access occurs here]
codetoanalyze/cpp/pulse/unknown_functions.cpp, call_init_with_pointer_value_bad, 3, NULLPTR_DEREFERENCE, no_bucket, ERROR, [invalidation part of the trace starts here,assigned,is the null pointer,use-after-lifetime part of the trace starts here,assigned,invalid access occurs here]
codetoanalyze/cpp/pulse/unknown_functions.cpp, const_no_init_bad, 3, NULLPTR_DEREFERENCE, no_bucket, ERROR, [invalidation part of the trace starts here,assigned,is the null pointer,use-after-lifetime part of the trace starts here,assigned,invalid access occurs here]
codetoanalyze/cpp/pulse/use_after_delete.cpp, delete_in_branch_bad, 5, USE_AFTER_DELETE, no_bucket, ERROR, [invalidation part of the trace starts here,assigned,was invalidated by `delete`,use-after-lifetime part of the trace starts here,assigned,invalid access occurs here]
codetoanalyze/cpp/pulse/use_after_delete.cpp, delete_in_loop_bad, 3, USE_AFTER_DELETE, no_bucket, ERROR, [invalidation part of the trace starts here,assigned,was invalidated by `delete`,use-after-lifetime part of the trace starts here,assigned,invalid access occurs here]
codetoanalyze/cpp/pulse/use_after_delete.cpp, deref_deleted_bad, 3, USE_AFTER_DELETE, no_bucket, ERROR, [invalidation part of the trace starts here,assigned,was invalidated by `delete`,use-after-lifetime part of the trace starts here,assigned,when calling `Simple::Simple` here,parameter `__param_0` of Simple::Simple,invalid access occurs here]
codetoanalyze/cpp/pulse/use_after_delete.cpp, double_delete_bad, 3, USE_AFTER_DELETE, no_bucket, ERROR, [invalidation part of the trace starts here,assigned,was invalidated by `delete`,use-after-lifetime part of the trace starts here,assigned,invalid access occurs here]
codetoanalyze/cpp/pulse/use_after_delete.cpp, reassign_field_of_deleted_bad, 3, USE_AFTER_DELETE, no_bucket, ERROR, [invalidation part of the trace starts here,assigned,was invalidated by `delete`,use-after-lifetime part of the trace starts here,assigned,invalid access occurs here]
codetoanalyze/cpp/pulse/use_after_delete.cpp, use_in_branch_bad, 4, USE_AFTER_DELETE, no_bucket, ERROR, [invalidation part of the trace starts here,assigned,was invalidated by `delete`,use-after-lifetime part of the trace starts here,assigned,when calling `Simple::Simple` here,parameter `__param_0` of Simple::Simple,invalid access occurs here]
codetoanalyze/cpp/pulse/use_after_delete.cpp, use_in_loop_bad, 4, USE_AFTER_DELETE, no_bucket, ERROR, [invalidation part of the trace starts here,assigned,was invalidated by `delete`,use-after-lifetime part of the trace starts here,assigned,invalid access occurs here]
codetoanalyze/cpp/pulse/use_after_destructor.cpp, use_after_destructor::double_destructor_bad, 5, USE_AFTER_DELETE, no_bucket, ERROR, [invalidation part of the trace starts here,variable `s` declared here,passed as argument to `use_after_destructor::S::S`,assigned,return from call to `use_after_destructor::S::S`,when calling `use_after_destructor::S::~S` here,parameter `this` of use_after_destructor::S::~S,when calling `use_after_destructor::S::__infer_inner_destructor_~S` here,parameter `this` of use_after_destructor::S::__infer_inner_destructor_~S,was invalidated by `delete`,use-after-lifetime part of the trace starts here,variable `s` declared here,passed as argument to `use_after_destructor::S::S`,assigned,return from call to `use_after_destructor::S::S`,when calling `use_after_destructor::S::~S` here,parameter `this` of use_after_destructor::S::~S,when calling `use_after_destructor::S::__infer_inner_destructor_~S` here,parameter `this` of use_after_destructor::S::__infer_inner_destructor_~S,invalid access occurs here]
codetoanalyze/cpp/pulse/use_after_destructor.cpp, use_after_destructor::placement_new_aliasing1_bad, 5, USE_AFTER_DELETE, no_bucket, ERROR, [invalidation part of the trace starts here,assigned,passed as argument to `<placement new>()` (modelled),return from call to `<placement new>()` (modelled),assigned,was invalidated by `delete`,use-after-lifetime part of the trace starts here,assigned,invalid access occurs here]
codetoanalyze/cpp/pulse/use_after_destructor.cpp, use_after_destructor::placement_new_aliasing2_bad, 5, USE_AFTER_DELETE, no_bucket, ERROR, [invalidation part of the trace starts here,assigned,was invalidated by `delete`,use-after-lifetime part of the trace starts here,assigned,passed as argument to `<placement new>()` (modelled),return from call to `<placement new>()` (modelled),assigned,invalid access occurs here]
codetoanalyze/cpp/pulse/use_after_destructor.cpp, use_after_destructor::placement_new_aliasing3_bad, 6, USE_AFTER_DELETE, no_bucket, ERROR, [invalidation part of the trace starts here,assigned,was invalidated by `delete`,use-after-lifetime part of the trace starts here,assigned,assigned,invalid access occurs here]
codetoanalyze/cpp/pulse/use_after_destructor.cpp, use_after_destructor::reinit_after_explicit_destructor2_bad, 5, USE_AFTER_DELETE, no_bucket, ERROR, [invalidation part of the trace starts here,variable `s2` declared here,passed as argument to `use_after_destructor::S::S`,assigned,return from call to `use_after_destructor::S::S`,when calling `use_after_destructor::S::~S` here,parameter `this` of use_after_destructor::S::~S,when calling `use_after_destructor::S::__infer_inner_destructor_~S` here,parameter `this` of use_after_destructor::S::__infer_inner_destructor_~S,was invalidated by `delete`,use-after-lifetime part of the trace starts here,variable `s2` declared here,passed as argument to `use_after_destructor::S::S`,assigned,return from call to `use_after_destructor::S::S`,passed as argument to `use_after_destructor::S::operator=`,parameter `__param_0` of use_after_destructor::S::operator=,assigned,return from call to `use_after_destructor::S::operator=`,when calling `use_after_destructor::S::~S` here,parameter `this` of use_after_destructor::S::~S,when calling `use_after_destructor::S::__infer_inner_destructor_~S` here,parameter `this` of use_after_destructor::S::__infer_inner_destructor_~S,invalid access occurs here]
codetoanalyze/cpp/pulse/use_after_destructor.cpp, use_after_destructor::reinit_after_explicit_destructor_bad, 4, USE_AFTER_DELETE, no_bucket, ERROR, [invalidation part of the trace starts here,variable `C++ temporary` declared here,passed as argument to `use_after_destructor::S::S`,assigned,return from call to `use_after_destructor::S::S`,when calling `use_after_destructor::S::~S` here,parameter `this` of use_after_destructor::S::~S,when calling `use_after_destructor::S::__infer_inner_destructor_~S` here,parameter `this` of use_after_destructor::S::__infer_inner_destructor_~S,was invalidated by `delete`,use-after-lifetime part of the trace starts here,variable `C++ temporary` declared here,passed as argument to `use_after_destructor::S::S`,assigned,return from call to `use_after_destructor::S::S`,passed as argument to `use_after_destructor::S::operator=`,parameter `__param_0` of use_after_destructor::S::operator=,assigned,return from call to `use_after_destructor::S::operator=`,invalid access occurs here]
codetoanalyze/cpp/pulse/use_after_destructor.cpp, use_after_destructor::use_after_destructor_bad, 3, USE_AFTER_DELETE, no_bucket, ERROR, [invalidation part of the trace starts here,variable `s` declared here,passed as argument to `use_after_destructor::S::S`,assigned,return from call to `use_after_destructor::S::S`,when calling `use_after_destructor::S::~S` here,parameter `this` of use_after_destructor::S::~S,when calling `use_after_destructor::S::__infer_inner_destructor_~S` here,parameter `this` of use_after_destructor::S::__infer_inner_destructor_~S,was invalidated by `delete`,use-after-lifetime part of the trace starts here,variable `s` declared here,passed as argument to `use_after_destructor::S::S`,assigned,return from call to `use_after_destructor::S::S`,invalid access occurs here]
codetoanalyze/cpp/pulse/use_after_destructor.cpp, use_after_destructor::use_after_scope1_bad, 7, USE_AFTER_DELETE, no_bucket, ERROR, [invalidation part of the trace starts here,variable `tmp` declared here,passed as argument to `use_after_destructor::S::S`,assigned,return from call to `use_after_destructor::S::S`,when calling `use_after_destructor::S::~S` here,parameter `this` of use_after_destructor::S::~S,when calling `use_after_destructor::S::__infer_inner_destructor_~S` here,parameter `this` of use_after_destructor::S::__infer_inner_destructor_~S,was invalidated by `delete`,use-after-lifetime part of the trace starts here,variable `tmp` declared here,passed as argument to `use_after_destructor::S::S`,assigned,return from call to `use_after_destructor::S::S`,passed as argument to `use_after_destructor::S::operator=`,parameter `__param_0` of use_after_destructor::S::operator=,assigned,return from call to `use_after_destructor::S::operator=`,when calling `use_after_destructor::S::~S` here,parameter `this` of use_after_destructor::S::~S,when calling `use_after_destructor::S::__infer_inner_destructor_~S` here,parameter `this` of use_after_destructor::S::__infer_inner_destructor_~S,invalid access occurs here]
codetoanalyze/cpp/pulse/use_after_destructor.cpp, use_after_destructor::use_after_scope2_bad, 3, USE_AFTER_DELETE, no_bucket, ERROR, [invalidation part of the trace starts here,variable `C++ temporary` declared here,passed as argument to `use_after_destructor::S::S`,assigned,return from call to `use_after_destructor::S::S`,when calling `use_after_destructor::S::~S` here,parameter `this` of use_after_destructor::S::~S,when calling `use_after_destructor::S::__infer_inner_destructor_~S` here,parameter `this` of use_after_destructor::S::__infer_inner_destructor_~S,was invalidated by `delete`,use-after-lifetime part of the trace starts here,variable `C++ temporary` declared here,passed as argument to `use_after_destructor::S::S`,assigned,return from call to `use_after_destructor::S::S`,passed as argument to `use_after_destructor::S::operator=`,parameter `__param_0` of use_after_destructor::S::operator=,assigned,return from call to `use_after_destructor::S::operator=`,when calling `use_after_destructor::S::~S` here,parameter `this` of use_after_destructor::S::~S,when calling `use_after_destructor::S::__infer_inner_destructor_~S` here,parameter `this` of use_after_destructor::S::__infer_inner_destructor_~S,invalid access occurs here]
codetoanalyze/cpp/pulse/use_after_destructor.cpp, use_after_destructor::use_after_scope4_bad, 6, USE_AFTER_LIFETIME, no_bucket, ERROR, [invalidation part of the trace starts here,variable `c` declared here,is the address of a stack variable `c` whose lifetime has ended,use-after-lifetime part of the trace starts here,variable `c` declared here,assigned,invalid access occurs here]
codetoanalyze/cpp/pulse/use_after_free.cpp, double_free_global_bad, 2, USE_AFTER_FREE, no_bucket, ERROR, [invalidation part of the trace starts here,global variable `global_pointer` accessed here,when calling `free_global_pointer_ok` here,global variable `global_pointer` accessed here,was invalidated by call to `free()`,use-after-lifetime part of the trace starts here,global variable `global_pointer` accessed here,when calling `free_global_pointer_ok` here,global variable `global_pointer` accessed here,invalid access occurs here]
codetoanalyze/cpp/pulse/use_after_free.cpp, double_free_simple_bad, 2, USE_AFTER_FREE, no_bucket, ERROR, [invalidation part of the trace starts here,parameter `x` of double_free_simple_bad,was invalidated by call to `free()`,use-after-lifetime part of the trace starts here,parameter `x` of double_free_simple_bad,invalid access occurs here]
codetoanalyze/cpp/pulse/use_after_free.cpp, use_after_free_simple_bad, 2, USE_AFTER_FREE, no_bucket, ERROR, [invalidation part of the trace starts here,parameter `x` of use_after_free_simple_bad,was invalidated by call to `free()`,use-after-lifetime part of the trace starts here,parameter `x` of use_after_free_simple_bad,invalid access occurs here]
codetoanalyze/cpp/pulse/use_after_scope.cpp, access_out_of_scope_stack_ref_bad, 3, USE_AFTER_LIFETIME, no_bucket, ERROR, [invalidation part of the trace starts here,variable `p` declared here,when calling `invalidate_local_ok` here,variable `t` declared here,is the address of a stack variable `t` whose lifetime has ended,use-after-lifetime part of the trace starts here,variable `p` declared here,passed as argument to `invalidate_local_ok`,variable `t` declared here,assigned,return from call to `invalidate_local_ok`,invalid access occurs here]
codetoanalyze/cpp/pulse/values.cpp, error_under_true_conditionals_bad, 5, USE_AFTER_FREE, no_bucket, ERROR, [invalidation part of the trace starts here,parameter `x` of error_under_true_conditionals_bad,was invalidated by call to `free()`,use-after-lifetime part of the trace starts here,parameter `x` of error_under_true_conditionals_bad,invalid access occurs here]
codetoanalyze/cpp/pulse/values.cpp, free_if_deref_bad, 2, USE_AFTER_FREE, no_bucket, ERROR, [invalidation part of the trace starts here,parameter `x` of free_if_deref_bad,when calling `free_if` here,parameter `x` of free_if,was invalidated by call to `free()`,use-after-lifetime part of the trace starts here,parameter `x` of free_if_deref_bad,invalid access occurs here]
codetoanalyze/cpp/pulse/vector.cpp, FP_init_fill_then_push_back_loop_ok, 6, VECTOR_INVALIDATION, no_bucket, ERROR, [invalidation part of the trace starts here,variable `vec` declared here,was potentially invalidated by `std::vector::push_back()`,use-after-lifetime part of the trace starts here,variable `vec` declared here,passed as argument to `std::vector::at()` (modelled),return from call to `std::vector::at()` (modelled),assigned,invalid access occurs here]
codetoanalyze/cpp/pulse/vector.cpp, assign_bad, 3, VECTOR_INVALIDATION, no_bucket, ERROR, [invalidation part of the trace starts here,parameter `vec` of assign_bad,was potentially invalidated by `std::vector::assign()`,use-after-lifetime part of the trace starts here,parameter `vec` of assign_bad,passed as argument to `std::vector::at()` (modelled),return from call to `std::vector::at()` (modelled),assigned,invalid access occurs here]
codetoanalyze/cpp/pulse/vector.cpp, clear_bad, 3, VECTOR_INVALIDATION, no_bucket, ERROR, [invalidation part of the trace starts here,parameter `vec` of clear_bad,was potentially invalidated by `std::vector::clear()`,use-after-lifetime part of the trace starts here,parameter `vec` of clear_bad,passed as argument to `std::vector::at()` (modelled),return from call to `std::vector::at()` (modelled),assigned,invalid access occurs here]
codetoanalyze/cpp/pulse/vector.cpp, deref_local_vector_element_after_push_back_bad, 4, VECTOR_INVALIDATION, no_bucket, ERROR, [invalidation part of the trace starts here,variable `C++ temporary` declared here,was potentially invalidated by `std::vector::push_back()`,use-after-lifetime part of the trace starts here,variable `C++ temporary` declared here,passed as argument to `std::vector::at()` (modelled),return from call to `std::vector::at()` (modelled),assigned,invalid access occurs here]
codetoanalyze/cpp/pulse/vector.cpp, deref_null_local_vector_element_bad, 2, NULLPTR_DEREFERENCE, no_bucket, ERROR, [invalidation part of the trace starts here,assigned,is the null pointer,use-after-lifetime part of the trace starts here,assigned,invalid access occurs here]
codetoanalyze/cpp/pulse/vector.cpp, deref_vector_element_after_push_back_bad, 4, VECTOR_INVALIDATION, no_bucket, ERROR, [invalidation part of the trace starts here,parameter `vec` of deref_vector_element_after_push_back_bad,was potentially invalidated by `std::vector::push_back()`,use-after-lifetime part of the trace starts here,parameter `vec` of deref_vector_element_after_push_back_bad,passed as argument to `std::vector::at()` (modelled),return from call to `std::vector::at()` (modelled),assigned,assigned,invalid access occurs here]
codetoanalyze/cpp/pulse/vector.cpp, deref_vector_pointer_element_after_push_back_bad, 4, VECTOR_INVALIDATION, no_bucket, ERROR, [invalidation part of the trace starts here,parameter `vec` of deref_vector_pointer_element_after_push_back_bad,was potentially invalidated by `std::vector::push_back()`,use-after-lifetime part of the trace starts here,parameter `vec` of deref_vector_pointer_element_after_push_back_bad,passed as argument to `std::vector::at()` (modelled),return from call to `std::vector::at()` (modelled),assigned,assigned,invalid access occurs here]
codetoanalyze/cpp/pulse/vector.cpp, emplace_back_bad, 3, VECTOR_INVALIDATION, no_bucket, ERROR, [invalidation part of the trace starts here,parameter `vec` of emplace_back_bad,was potentially invalidated by `std::vector::emplace_back()`,use-after-lifetime part of the trace starts here,parameter `vec` of emplace_back_bad,passed as argument to `std::vector::at()` (modelled),return from call to `std::vector::at()` (modelled),assigned,invalid access occurs here]
codetoanalyze/cpp/pulse/vector.cpp, emplace_bad, 3, VECTOR_INVALIDATION, no_bucket, ERROR, [invalidation part of the trace starts here,parameter `vec` of emplace_bad,was potentially invalidated by `std::vector::emplace()`,use-after-lifetime part of the trace starts here,parameter `vec` of emplace_bad,passed as argument to `std::vector::at()` (modelled),return from call to `std::vector::at()` (modelled),assigned,invalid access occurs here]
codetoanalyze/cpp/pulse/vector.cpp, insert_bad, 3, VECTOR_INVALIDATION, no_bucket, ERROR, [invalidation part of the trace starts here,parameter `vec` of insert_bad,was potentially invalidated by `std::vector::insert()`,use-after-lifetime part of the trace starts here,parameter `vec` of insert_bad,passed as argument to `std::vector::at()` (modelled),return from call to `std::vector::at()` (modelled),assigned,invalid access occurs here]
codetoanalyze/cpp/pulse/vector.cpp, push_back_loop_bad, 6, VECTOR_INVALIDATION, no_bucket, ERROR, [invalidation part of the trace starts here,variable `vec` declared here,was potentially invalidated by `std::vector::push_back()`,use-after-lifetime part of the trace starts here,variable `vec` declared here,passed as argument to `std::vector::at()` (modelled),return from call to `std::vector::at()` (modelled),assigned,invalid access occurs here]
codetoanalyze/cpp/pulse/vector.cpp, reserve_bad, 3, VECTOR_INVALIDATION, no_bucket, ERROR, [invalidation part of the trace starts here,parameter `vec` of reserve_bad,was potentially invalidated by `std::vector::reserve()`,use-after-lifetime part of the trace starts here,parameter `vec` of reserve_bad,passed as argument to `std::vector::at()` (modelled),return from call to `std::vector::at()` (modelled),assigned,invalid access occurs here]
codetoanalyze/cpp/pulse/vector.cpp, shrink_to_fit_bad, 3, VECTOR_INVALIDATION, no_bucket, ERROR, [invalidation part of the trace starts here,parameter `vec` of shrink_to_fit_bad,was potentially invalidated by `std::vector::shrink_to_fit()`,use-after-lifetime part of the trace starts here,parameter `vec` of shrink_to_fit_bad,passed as argument to `std::vector::at()` (modelled),return from call to `std::vector::at()` (modelled),assigned,invalid access occurs here]
codetoanalyze/cpp/pulse/vector_iterator.cpp, iterator_after_push_back_loop_bad, 9, VECTOR_INVALIDATION, no_bucket, ERROR, [invalidation part of the trace starts here,variable `vec` declared here,was potentially invalidated by `std::vector::push_back()`,use-after-lifetime part of the trace starts here,variable `iter_begin` declared here,passed as argument to `std::vector::begin()` (modelled),return from call to `std::vector::begin()` (modelled),passed as argument to `iterator constructor` (modelled),return from call to `iterator constructor` (modelled),invalid access occurs here]
codetoanalyze/cpp/pulse/vector_iterator.cpp, iterator_end_read_bad, 3, VECTOR_INVALIDATION, no_bucket, ERROR, [invalidation part of the trace starts here,is pointed to by the `end()` iterator,use-after-lifetime part of the trace starts here,variable `iter` declared here,passed as argument to `std::vector::end()` (modelled),return from call to `std::vector::end()` (modelled),invalid access occurs here]
codetoanalyze/cpp/pulse/vector_iterator.cpp, iterator_next_after_emplace_bad, 3, VECTOR_INVALIDATION, no_bucket, ERROR, [invalidation part of the trace starts here,parameter `vec` of iterator_next_after_emplace_bad,was potentially invalidated by `std::vector::emplace()`,use-after-lifetime part of the trace starts here,variable `iter` declared here,passed as argument to `std::vector::begin()` (modelled),return from call to `std::vector::begin()` (modelled),invalid access occurs here]
codetoanalyze/cpp/pulse/vector_iterator.cpp, iterator_next_after_emplace_loop_bad, 2, VECTOR_INVALIDATION, no_bucket, ERROR, [invalidation part of the trace starts here,parameter `vec` of iterator_next_after_emplace_loop_bad,was potentially invalidated by `std::vector::emplace()`,use-after-lifetime part of the trace starts here,variable `iter` declared here,passed as argument to `std::vector::begin()` (modelled),return from call to `std::vector::begin()` (modelled),invalid access occurs here]
codetoanalyze/cpp/pulse/vector_iterator.cpp, iterator_prev_after_emplace_bad, 4, VECTOR_INVALIDATION, no_bucket, ERROR, [invalidation part of the trace starts here,parameter `vec` of iterator_prev_after_emplace_bad,was potentially invalidated by `std::vector::emplace()`,use-after-lifetime part of the trace starts here,variable `iter` declared here,passed as argument to `std::vector::begin()` (modelled),return from call to `std::vector::begin()` (modelled),invalid access occurs here]
codetoanalyze/cpp/pulse/vector_iterator.cpp, iterator_read_after_emplace_bad, 3, VECTOR_INVALIDATION, no_bucket, ERROR, [invalidation part of the trace starts here,parameter `vec` of iterator_read_after_emplace_bad,was potentially invalidated by `std::vector::emplace()`,use-after-lifetime part of the trace starts here,variable `iter` declared here,passed as argument to `std::vector::begin()` (modelled),return from call to `std::vector::begin()` (modelled),invalid access occurs here]