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empty string for error conditions. Improve rewriter for str.substr.
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remove options infrastructure code which depended on undefined behavior
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appears to be source of crashes on mac
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Proofs
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infrastructure for str.contains inferences.
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nightly builds.
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multiple sorts in UF finite model finding by default.
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replace and others. Enable non-recursive flat form inferences in strings theory solver. Refactor extf reductions. Use non-constant length terms when checking length equality. Add option --strings-eager-len.
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improvements.
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fixes for reduction of indexof. Fixes bugs 612 and 615. Fix bug in find+offset in strings util. Add regressions.
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rewriting. Bug fix explanations for inferences. Avoid spurious cardinality splits. Do not do disequality splits for non-disequal terms. Work towards non-recursive handling of flat forms.
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reductions based on congruence, precheck for cycles.
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regressions.
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in strings. Other improvements.
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eagerly, only process contains/memberships that have non-constant arguments. Cleanup.
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bug 613.
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module. Add heuristics for cbqi LIA instantiation with coefficients.
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of term database, other refactoring. Bug fixes for cbqi+datatypes.
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liberal.
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fix involves sets getModelValue handling the case when element theory
doesn't have model
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quantified formulas with non-constant polarity.
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report. Other minor cleanup.
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quantified formulas.
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bug fix enumeration for uninitialized sorts, do not decide combined cardinality constraints that have not been allocated in user context. Fixes bug 654.
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