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| author | Cristian Cadar <c.cadar@imperial.ac.uk> | 2014-12-09 09:37:33 +0000 |
|---|---|---|
| committer | Cristian Cadar <c.cadar@imperial.ac.uk> | 2014-12-09 09:37:33 +0000 |
| commit | 3ab04308ff9bf756284a773137254fe0240d2cab (patch) | |
| tree | 53ea8655ebbe556103c532f40698369a9c87e24e /lib | |
| parent | 3c042be7a340972c41165a2394702a4f613ef1f9 (diff) | |
| parent | bc7ddafc93f1b30fa39e7f47f62b41ae3ed6a07b (diff) | |
| download | klee-3ab04308ff9bf756284a773137254fe0240d2cab.tar.gz | |
Merge pull request #186 from paulmar/fixshift
Fix overshift check
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/Solver/MetaSMTBuilder.h | 2 | ||||
| -rw-r--r-- | lib/Solver/STPBuilder.cpp | 2 |
2 files changed, 2 insertions, 2 deletions
diff --git a/lib/Solver/MetaSMTBuilder.h b/lib/Solver/MetaSMTBuilder.h index 458c55ba..6da1b492 100644 --- a/lib/Solver/MetaSMTBuilder.h +++ b/lib/Solver/MetaSMTBuilder.h @@ -284,7 +284,7 @@ typename SolverContext::result_type MetaSMTBuilder<SolverContext>::constructAShr if (shift == 0) { res = expr; } - else if (shift >= width - 1) { + else if (shift >= width) { res = evaluate(_solver, metaSMT::logic::Ite(isSigned, bvMinusOne(width), bvZero(width))); } else { diff --git a/lib/Solver/STPBuilder.cpp b/lib/Solver/STPBuilder.cpp index 34ce0ede..6d7dd8b7 100644 --- a/lib/Solver/STPBuilder.cpp +++ b/lib/Solver/STPBuilder.cpp @@ -283,7 +283,7 @@ ExprHandle STPBuilder::constructAShrByConstant(ExprHandle expr, if (shift==0) { return expr; - } else if (shift>=width-1) { + } else if (shift>=width) { return bvZero(width); // Overshift to zero } else { return vc_iteExpr(vc, |