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| author | Hoang M. Le <hle@informatik.uni-bremen.de> | 2016-06-28 13:18:52 +0200 |
|---|---|---|
| committer | Hoang M. Le <hle@informatik.uni-bremen.de> | 2016-06-28 13:18:52 +0200 |
| commit | 5b893715d020165f69062273741b7db99eb47624 (patch) | |
| tree | 7346bcb2e04c40c2b95e7c608e743a890783de34 | |
| parent | 4f4b930df0306fb57eecd06eea182115f01b94e5 (diff) | |
| download | klee-5b893715d020165f69062273741b7db99eb47624.tar.gz | |
add assertions to check the pre-condition of bvVar*Shift that both operands have the same bv width
| -rw-r--r-- | lib/Solver/MetaSMTBuilder.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/lib/Solver/MetaSMTBuilder.h b/lib/Solver/MetaSMTBuilder.h index a166db5a..ad26f2ed 100644 --- a/lib/Solver/MetaSMTBuilder.h +++ b/lib/Solver/MetaSMTBuilder.h @@ -540,6 +540,9 @@ MetaSMTBuilder<SolverContext>::bvVarLeftShift( typename SolverContext::result_type expr, typename SolverContext::result_type shift, unsigned width) { + assert(_solver.get_bv_width(expr) == width); + assert(_solver.get_bv_width(shift) == width); + typename SolverContext::result_type res = bvZero(width); // construct a big if-then-elif-elif-... with one case per possible shift @@ -566,6 +569,9 @@ MetaSMTBuilder<SolverContext>::bvVarRightShift( typename SolverContext::result_type expr, typename SolverContext::result_type shift, unsigned width) { + assert(_solver.get_bv_width(expr) == width); + assert(_solver.get_bv_width(shift) == width); + typename SolverContext::result_type res = bvZero(width); // construct a big if-then-elif-elif-... with one case per possible shift @@ -593,6 +599,9 @@ MetaSMTBuilder<SolverContext>::bvVarArithRightShift( typename SolverContext::result_type expr, typename SolverContext::result_type shift, unsigned width) { + assert(_solver.get_bv_width(expr) == width); + assert(_solver.get_bv_width(shift) == width); + // get the sign bit to fill with typename SolverContext::result_type signedBool = bvBoolExtract(expr, width - 1); |