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| author | Andrew Reynolds <andrew.j.reynolds@gmail.com> | 2021-04-05 12:17:39 -0500 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2021-04-05 17:17:39 +0000 |
| commit | ca5fd891038a93bd63b3863faa8c5e39fff88ed0 (patch) | |
| tree | 770e28e35cf6922dfd98b1335475e2e27b099110 | |
| parent | 27ca0f4abe8da4445d07daa5b9bf4ed6f72ad1d6 (diff) | |
Enable UF when pre-skolem nested option is enabled (#6282)
Fixes #4328.
| -rw-r--r-- | src/smt/set_defaults.cpp | 9 | ||||
| -rw-r--r-- | test/regress/CMakeLists.txt | 1 | ||||
| -rw-r--r-- | test/regress/regress1/quantifiers/issue4328-nqe.smt2 | 7 |
3 files changed, 17 insertions, 0 deletions
diff --git a/src/smt/set_defaults.cpp b/src/smt/set_defaults.cpp index 5fed0d664..6c10eeb94 100644 --- a/src/smt/set_defaults.cpp +++ b/src/smt/set_defaults.cpp @@ -631,6 +631,15 @@ void setDefaults(LogicInfo& logic, bool isInternalSubsolver) Notice() << "Enabling UF because bvAbstraction requires it." << std::endl; needsUf = true; } + else if (options::preSkolemQuantNested() + && options::preSkolemQuantNested.wasSetByUser()) + { + // if pre-skolem nested is explictly set, then we require UF. If it is + // not explicitly set, it is disabled below if UF is not present. + Notice() << "Enabling UF because preSkolemQuantNested requires it." + << std::endl; + needsUf = true; + } if (needsUf // Arrays, datatypes and sets permit Boolean terms and thus require UF || logic.isTheoryEnabled(THEORY_ARRAYS) diff --git a/test/regress/CMakeLists.txt b/test/regress/CMakeLists.txt index 98976994e..58ad56276 100644 --- a/test/regress/CMakeLists.txt +++ b/test/regress/CMakeLists.txt @@ -1759,6 +1759,7 @@ set(regress_1_tests regress1/quantifiers/issue4062-cegqi-aux.smt2 regress1/quantifiers/issue4243-prereg-inc.smt2 regress1/quantifiers/issue4290-cegqi-r.smt2 + regress1/quantifiers/issue4328-nqe.smt2 regress1/quantifiers/issue4433-nqe.smt2 regress1/quantifiers/issue4620-erq-witness-unsound.smt2 regress1/quantifiers/issue4685-wrewrite.smt2 diff --git a/test/regress/regress1/quantifiers/issue4328-nqe.smt2 b/test/regress/regress1/quantifiers/issue4328-nqe.smt2 new file mode 100644 index 000000000..9ee9ea974 --- /dev/null +++ b/test/regress/regress1/quantifiers/issue4328-nqe.smt2 @@ -0,0 +1,7 @@ +(set-logic BV) +(set-info :status sat) +(set-option :finite-model-find true) +(set-option :pre-skolem-quant-nested true) +(set-option :cegqi-nested-qe true) +(assert (forall ((a (_ BitVec 32))) (exists ((b (_ BitVec 32))) (bvsle a b)))) +(check-sat) |