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2018-06-13klee_int: allow NULL as nameFrank Busse
2018-06-11Fixed memory leak from Executor::inCloseMerge, fixes #883Lukas Wölfer
2018-05-24remove switch fallthrough in floating point comparisionDaniel Schemmel
2018-05-24llvm37: handle GetElementPtrInst::Create's new parameterJiri Slaby
LLVM 3.7 added a PointeeType parameter to GetElementPtrInst::Create. Let's handle that by a macro called KLEE_LLVM_GEP_TYPE, defined in Version.h. Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
2018-05-22Removed .c_str() from getSourceLocation callsCristian Cadar
2018-05-22Renamed printFileLine to getSourceLocation (as suggested by @delcypher) to ↵Cristian Cadar
reflect the fact that it simply returns a string
2018-05-22Simplified printFileLine by using std::to_string, and removed unneeded ↵Cristian Cadar
version that takes an argument a stream
2018-05-21stop using DEBUG macro nameJiri Slaby
This is too generic and llvm 6.0 defines DEBUG as follows: #define DEBUG(X) DEBUG_WITH_TYPE(DEBUG_TYPE, X) This then results in various build failures where once the macro is defined, once it is not. So rename this generic macro to KLEE_ARRAY_DEBUG. Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
2018-05-21fix some casts for LLP64 compilersFrank Busse
2018-05-17Abort execution if --only-output-states-covering-new is enabled but its ↵Cristian Cadar
dependency --output-istats is not
2018-05-17Add support for concretizing symbolic objects passed to external functionsTimotej Kapus
2018-05-17Improve error messages for ReadStringAtAddressTimotej Kapus
2018-05-15Improved code qualityLukas Wölfer
2018-05-15Implemented incomplete mergingLukas Wölfer
2018-05-05Fix handling of errno if external functions are invokedMartin Nowack
If an external function in KLEE is invoked, it might update errno. Previously, the errno specific variable in a state was only updated if it was part of the executed instructions. That opened up a timeframe that increased the likelihood of errno being overwritten by another method call. This patch fixes two issues: * the errno of the KLEE process state is updated before the external function call allowing to detect changes to it later on * after the external call, the memory object of errno is directly updated with its new value, reducing the likelihood to be overwritten by another call Additional features: * Add support for `errno()` for Darwin as well. * Simplified errno handling in POSIX layer
2018-05-05Factor out method to update state memory with process stateMartin Nowack
2018-05-01add blockaddress and indirectbr instructionsFrank Busse
2018-05-01fix compilation warningFrank Busse
2018-04-09doDumpStates: incorrectly increments statsFrank Busse
doDumpStates calls stepInstruction and therefore indirectly increases time and instruction statistics for all dangling (dumped) states. This patch removes the call, but now the timing stats for the last executed state are lost, as StatsTracker::stepInstruction isn't called anymore.
2018-03-01Store CexCache stats and then update klee-stats to use themDomenico Fabio Marino
Signed-off-by: Domenico Fabio Marino <nospamdomi@hotmail.it>
2018-02-18Fail for aggegrations with big endian orderingMartin Nowack
2018-02-18Fixed handling of constant vectors with complex dataMartin Nowack
2018-02-18Make print function of ObjectState public and constMartin Nowack
2018-02-18Fix correct element order of InsertElement/ExtractElementMartin Nowack
2018-02-18Fix getelementptr for array or vector indicesMartin Nowack
Rewrote code based on: llvm::GEPOperator::accumulateConstantOffset(): Handle signed offset correctly.
2018-02-18Fix generation of expressions from constant sequential dataMartin Nowack
2018-02-18Added comment for getPointerWidthMartin Nowack
2018-02-01llvm50: use auto variable instead of SwitchInst::CaseItJiri Slaby
llvm50 changed the semantics of SwitchInst::CaseIt and started using "auto" variable type. So use it here too for all versions greater than 3.4 -- 3.4 does not support this semantics yet. Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
2017-11-30Implemented bounded merging functionalityLukas Wölfer
2017-11-30Added pause and continue functionality for states in ExecutorLukas Wölfer
2017-11-24klee_make_symbolic: warn on deprecated usageFrank Busse
* terminates state instead of using assertion for illegal argument number * renames empty names to "unnamed" (otherwise test generation fails) * deprecates two argument version
2017-10-25fixing huge allocation size constant to be unsignedDavid Trabish
2017-10-15Fixed assert in BFSSearcher that does not hold as part of interleaved searcherJulian Büning
2017-10-12Removed unnecessary and redundant variableAndrea Mattavelli
2017-10-09Fixed initialization of distance to uncovered instructions when KLEE relies ↵Andrea Mattavelli
on default searchers
2017-10-06Removed the word 'unsigned' from integer overflow error messagesAndrew Santosa
2017-10-04Remove Autoconf/Makefile build system and adjust the TravisCIDan Liew
configuration, TravisCI scripts and Dockerfile build appropriately. There are a bunch of clean ups this enables but this commit doesn't attempt them. We can do that in future commits.
2017-10-03Silenced some warnings about unused variables when assertions are disabled.Cristian Cadar
2017-08-27Remove unnecessary null pointer checksOscar Deits
Fixes klee/klee#717 delete on null pointer is always safe.
2017-08-09Merge pull request #742 from ccadar/foldCristian Cadar
Added checks for div/mod by zero and overshifts in constant expressio…
2017-08-07Untabify this file, which was using a mix of spaces and tabs for alignment.Cristian Cadar
2017-08-07Added checks for div/mod by zero and overshifts in constant expressions. ↵Cristian Cadar
Such div/mod by zero expressions would previously crash KLEE. Added two test cases, one for div/mod by zero, the other for overshift. This fixes the bug reported in #268.
2017-08-04Removed merging searchersLukas Wölfer
2017-07-29Added an optional KInstruction* argument to evalConstant and ↵Cristian Cadar
evalConstantExpr which allows us to print the location associated with the constant in any error messages. Added a test case for the unsupported features for taking the address of a label, which exercises the patch.
2017-07-26Now that LLVM 2.9 is gone, we can use cl::bits instead of cl::listCristian Cadar
2017-07-25This commit simply moves evalConstant to ExecutorUtil (where ↵Cristian Cadar
evalConstantExpr also resides), as suggested by an old comment.
2017-07-23Remove support for LLVM < 3.4Martin Nowack
Request LLVM 3.4 as minimal requirement for KLEE
2017-07-20Merge pull request #657 from delcypher/vectorized_instructionsCristian Cadar
Implement basic support for vectorized instructions.
2017-07-20Replace assertions of types on LLVM instructions in the Executor with aDan Liew
pass that checks these assertions. This improves several things. * This pass provides more friendly messages than assertions in that it just emits a warning and carries on checking the rest of the instructions. * The takes the checks outside of the Executor's hot path and so avoids checking the same instruction multiple times. Now each instruction is only checked once just before execution starts. The disadvantage of this approach is the check for invariants we expect to hold have been pulled far away from where we expect them to hold. After discussion with @ccadar and @MartinNowack it was decided we will take this hit to readability for better performance and simpler code in the Executor.
2017-07-20Core: TimingSolver, use TimerStatIncrementerJiri Slaby
Do not opencode what we already have in TimerStatIncrementer. This simplifies the code a lot and makes transition to LLVM 4.0 a lot easier. Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
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