[depends: #472] Variable Sensitivity Domain#708

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thk123 wants to merge 129 commits intodiffblue:developfrom

thk123:feature/variable-sensitivity-domain

Commits on Jun 15, 2017

Fix constant propagator.
martin
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disable two-way propagation for now

danpoe
authored and
martin
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Addressing constant domain review comments by Daniel Poetzl.
martin
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constant propagator fix

danpoe
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martin
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Add is_bottom() and is_top() to ai_domain_baset and derived domains.
martin
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Use is_bottom() to catch unreachable functions.
martin
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Refactor goto-analyzer so that task, analysis, domain and output can be picked independently.
martin
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Remove the special case handling of --show-intervals.

Martin Brain
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martin
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Add support for dependency graph display.
martin
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Program simplification now removes unused instructions.
martin
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Catch exceptions thrown in doit() in goto analyzer.
martin
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Fix merging issues in goto analyzer.
martin
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Fix whitespace to match coding guidelines

danpoe
authored and
martin
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Whitespace fixes in goto-analyzer.
martin
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regression test changes

danpoe
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martin
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Addressing goto analyzer review comments by Daniel Poetzl.
martin
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option to ignore unresolved functions in the constant propagator

danpoe
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martin
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Test that requires is_bottom() and is_top().
martin
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Improve status output.
martin
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enable failed tests printer for goto-analyzer regression tests

danpoe
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martin
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enable assertions in is_threadedt

danpoe
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martin
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Update the use of ai_simplify for the introduction of ai_simplify_lhs.
martin
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Check in of basic variable sensitivity framework.

thk123
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thk123
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Added constant_abstract_value implementation

thk123
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thk123
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Use variable in the constant_propogation checks

thk123
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thk123
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Adding debug guarded output to the variable sensitivity domain

thk123
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thk123
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Better stub for assigning to non-trivial symbol

thk123
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thk123
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Created skeleton classes for the array, pointer, struct

thk123
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thk123
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Adding a 2 element implemention of sturct abstract object

thk123
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thk123
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Modifications to struct_abstract_object

thk123
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thk123
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Readded broken protected

thk123
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thk123
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Implementation of simplify

thk123
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thk123
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Don't use static for the map as means wrong this is captured

thk123
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thk123
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Added handler for logical == expression

thk123
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thk123
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Cleaned up the variable sensitivity framework

thk123
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thk123
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Corrected the logic for non-trivial assigns

thk123
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thk123
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Fixied potential dangling pointer in the struct abstract oject

thk123
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thk123
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Basic implementations for abstract pointer and abstract array

thk123
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thk123
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Moved the logic for resolving logical expressions into abstract_value

thk123
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thk123
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Fixed bug that would have occured for struct/pointer/array assigns

thk123
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thk123
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Removed the requirement on two operands

thk123
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thk123
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Simplify the expression before storing

thk123
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thk123
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Fixed issue where writing to a top value

thk123
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thk123
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Add previously written design documentation to the relevant parts of the code.

martin
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thk123
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Improve the documentation of various methods.

martin
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thk123
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Give a generic implementation of assume.

martin
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thk123
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Enable the use of assume for branches.

martin
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thk123
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Basic implementation of the sensitive pointer

thk123
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thk123
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Fixing comments in pointer_abstract_object

thk123
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thk123
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Adding merge state

thk123
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thk123
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Supporting stack when writing

thk123
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thk123
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Changed the pointer abstract object to store an expression

thk123
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thk123
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Implementing a configurable abstract object factory

Owen Jones
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thk123
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Fixed crash bug in writing to dereference of pointer to pointer

thk123
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thk123
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Improved exception message for unreasonable write

thk123
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thk123
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Checking in a demo script containg the things that currently work

thk123
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thk123
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Added writing to pointer to demo

thk123
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thk123
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Added flags so the factory reads the flags correctly

thk123
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thk123
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Enable pointer sensitivity in the factory

thk123
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thk123
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Added documentation to the demo script

thk123
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thk123
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Fixing up formatting

Owen Jones
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thk123
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Add simplification of the left hand side of assignments.

martin
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thk123
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Remove incorrect comment.

martin
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thk123
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Review comments and TODOs.

martin
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thk123
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Mark unreachable assertions as satisfied.

martin
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thk123
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Document various of the key ideas behind how goto-analyze works.

martin
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thk123
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Renamed methods to provide a more consistent interface

martin
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thk123
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Protect top and bottom as much as possible.

martin
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thk123
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Output should be const-clean.

martin
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thk123
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Implementing sensitive struct abstract object

danpoe
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thk123
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If anything is assigned the value bottom, the whole domain should be set to bottom.

martin
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thk123
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A missing case in the factory code means that constant assertions were not being

martin
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thk123
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Fix overwrite for CLONE and MERGE

Owen Jones
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thk123
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In abstract objects the state should be private and merge_state protected.

martin
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thk123
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Enforced const interface for abstract objects

martin
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thk123
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Fix crash

Owen Jones
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thk123
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Minimal reproducer for struct problem

Owen Jones
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thk123
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Use the correct abstract object when performing a transform
thk123
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Corrected merge action in the abstract enviroment
thk123
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Correct struct write for unknown component
thk123
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Correcting type check in struct abstract object
thk123
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Fix for crash

Owen Jones
authored and
thk123
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Basic implementation of the constant_array_abstract_object
thk123
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Array initialization now works with the abstract object
thk123
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Added merge_state to constant_array_abstract_object
thk123
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Adding function header comments
thk123
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Removed unnecessary copies
thk123
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Updating the demo script
thk123
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Adding output function to struct
thk123
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Made verify stricter
thk123
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Fixed bug where top wasn't being cleared
thk123
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Bug fixes for the array abstract object
thk123
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Corrected and simplified constructor for the pointer abstract object
thk123
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Corrected implementation of flow sensitivity
thk123
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Tidy up includes
thk123
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Correcting implemenations of the write methods for pointer and struct
thk123
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Refactor the ai_simplify into a lhs function
thk123
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Corrected constructing object for failed evaluation
thk123
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Fixing constant propogation test
thk123
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Linting fixes
thk123
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Modified lambda to compile under Windows compiler.
thk123
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Improved the removing top elements in map merge
thk123
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Modified code to not crash when writing to an pointer arithmetic on lhs
thk123
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Adding tests for reading and writing to/from ararys through points
thk123
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Fixed bug when doing a merge write to a pointer
thk123
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Reworked the double dispatch of the merge
thk123
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Removing default copy constructors
thk123
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Replacing map based switch statments with chained if/elses
thk123
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Explained why top must be used as the else clause in eval
thk123
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Don't make copies unnecessarily when merging
thk123
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Using enable_shared_from_this to eliminate naked pointers
thk123
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Adding unit tests for merging of abstract objects
thk123
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Fixed bugs revealed by unit tests
thk123
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Adding unit tests for constant abstract object.
thk123
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Adding tests for constant array
thk123
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Adding unit tests for the struct abstract object
thk123
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Corrected merge methods for pointer and struct
thk123
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Rewriting the constant_abstract_value::merge using behaviour driven design
thk123
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Replaced assert with __CPROVER_assert
thk123
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Use Behaviour Driven Design testing for abstract object merge
thk123
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Struct and array AO unit tests using behaviour driven design
thk123
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Corrected guard on specialised merge
thk123
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Made pointer to array name consistent
thk123
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Constant array reading from top handled correctly
thk123
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Completed test suite for full struct and constant array AOs
thk123
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Correctly set up the enviroment before running tests
thk123
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Extracted out logic for when to use a 2 value merge
thk123
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Improved comment in the LHS simplify
thk123
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Fixed ai_simplify in variable sensitivity domain to use new interface
thk123
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