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| author | Andrew Reynolds <andrew.j.reynolds@gmail.com> | 2020-01-30 12:18:27 -0600 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2020-01-30 12:18:27 -0600 |
| commit | 04f95f314db1c9fd8ac1ef475cab90c1709e6e47 (patch) | |
| tree | e2732b2d1cb5db59e0f7690d5f77a3435cc7759a | |
| parent | f118ce702d191a5250569611da530dbf67337fb1 (diff) | |
Weaken assertion for models with approximations (#3667)
| -rw-r--r-- | src/smt/smt_engine.cpp | 8 | ||||
| -rw-r--r-- | test/regress/CMakeLists.txt | 1 | ||||
| -rw-r--r-- | test/regress/regress1/quantifiers/issue3628.smt2 | 13 |
3 files changed, 18 insertions, 4 deletions
diff --git a/src/smt/smt_engine.cpp b/src/smt/smt_engine.cpp index 910855505..d10678bf6 100644 --- a/src/smt/smt_engine.cpp +++ b/src/smt/smt_engine.cpp @@ -4278,10 +4278,10 @@ Expr SmtEngine::getValue(const Expr& ex) const || resultNode.getType().isSubtypeOf(expectedType)) << "Run with -t smt for details."; - // Ensure it's a constant, or a lambda (for uninterpreted functions), or - // a choice (for approximate values). - Assert(resultNode.getKind() == kind::LAMBDA - || resultNode.getKind() == kind::CHOICE || resultNode.isConst()); + // Ensure it's a constant, or a lambda (for uninterpreted functions). This + // assertion only holds for models that do not have approximate values. + Assert(m->hasApproximations() || resultNode.getKind() == kind::LAMBDA + || resultNode.isConst()); if(options::abstractValues() && resultNode.getType().isArray()) { resultNode = d_private->mkAbstractValue(resultNode); diff --git a/test/regress/CMakeLists.txt b/test/regress/CMakeLists.txt index b35c13757..c744227e4 100644 --- a/test/regress/CMakeLists.txt +++ b/test/regress/CMakeLists.txt @@ -1431,6 +1431,7 @@ set(regress_1_tests regress1/quantifiers/issue3317.smt2 regress1/quantifiers/issue3481.smt2 regress1/quantifiers/issue3537.smt2 + regress1/quantifiers/issue3628.smt2 regress1/quantifiers/issue993.smt2 regress1/quantifiers/javafe.ast.StmtVec.009.smt2 regress1/quantifiers/lra-vts-inf.smt2 diff --git a/test/regress/regress1/quantifiers/issue3628.smt2 b/test/regress/regress1/quantifiers/issue3628.smt2 new file mode 100644 index 000000000..9843b92ff --- /dev/null +++ b/test/regress/regress1/quantifiers/issue3628.smt2 @@ -0,0 +1,13 @@ +; COMMAND-LINE: --no-check-models +; EXPECT: sat +(set-logic NIRA) +(declare-fun a () Real) +(declare-fun b () Real) +(declare-fun c () Real) +(declare-fun d () Real) +(declare-fun e () Real) +(assert (let ((f (exists ((g Real)) + (= (< 0.0 (* b d)) (distinct (* (to_real 1) a c) 1.0))))) + (not f))) +(assert (= a (* c e))) +(check-sat) |