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authorAndrew Reynolds <andrew.j.reynolds@gmail.com>2020-11-19 11:44:35 -0600
committerGitHub <noreply@github.com>2020-11-19 11:44:35 -0600
commit3654512dd8b341c5725e550d438b23508493b991 (patch)
tree367684e5521e35a452ef669a4e58bb1b5005509c /test/regress
parentb0130a1e032c201fab3c4b19f25871428b761967 (diff)
Fix issues related to eliminating extended arithmetic operators (#5475)
This fixes 2 issues related to eliminating arithmetic operators: (1) counterexample lemmas in CEGQI were not being preprocessed (2) ensureLiteral was not doing term formula removal. This corrects these two issues. Now ensureLiteral does full theory preprocessing on the term we are ensuring literal for, meaning this may trigger lemmas if the term contains extended arithmetic operators like div. Fixes #5469, fixes #5470, fixes #5471. This adds --sygus-inst to 2 of these benchmarks which moreover makes them solvable. This also improves our assertions and trace messages.
Diffstat (limited to 'test/regress')
-rw-r--r--test/regress/CMakeLists.txt3
-rw-r--r--test/regress/regress1/quantifiers/issue5469-aext.smt210
-rw-r--r--test/regress/regress1/quantifiers/issue5470-aext.smt26
-rw-r--r--test/regress/regress1/quantifiers/issue5471-aext.smt210
4 files changed, 29 insertions, 0 deletions
diff --git a/test/regress/CMakeLists.txt b/test/regress/CMakeLists.txt
index b12876a5c..9935adf59 100644
--- a/test/regress/CMakeLists.txt
+++ b/test/regress/CMakeLists.txt
@@ -1609,6 +1609,9 @@ set(regress_1_tests
regress1/quantifiers/issue4620-erq-witness-unsound.smt2
regress1/quantifiers/issue4685-wrewrite.smt2
regress1/quantifiers/issue5019-cegqi-i.smt2
+ regress1/quantifiers/issue5469-aext.smt2
+ regress1/quantifiers/issue5470-aext.smt2
+ regress1/quantifiers/issue5471-aext.smt2
regress1/quantifiers/issue993.smt2
regress1/quantifiers/javafe.ast.StmtVec.009.smt2
regress1/quantifiers/lia-witness-div-pp.smt2
diff --git a/test/regress/regress1/quantifiers/issue5469-aext.smt2 b/test/regress/regress1/quantifiers/issue5469-aext.smt2
new file mode 100644
index 000000000..d66afb91a
--- /dev/null
+++ b/test/regress/regress1/quantifiers/issue5469-aext.smt2
@@ -0,0 +1,10 @@
+; COMMAND-LINE: --sygus-inst --strings-exp --no-check-models
+; EXPECT: sat
+(set-logic NIA)
+(set-option :sygus-inst true)
+(set-option :strings-exp true)
+(set-info :status sat)
+(declare-fun d () Int)
+(assert (forall ((g Int)) (or (> 1 g) (> g (div 1 d)))))
+(assert (not (= d 0)))
+(check-sat)
diff --git a/test/regress/regress1/quantifiers/issue5470-aext.smt2 b/test/regress/regress1/quantifiers/issue5470-aext.smt2
new file mode 100644
index 000000000..500ef6d4c
--- /dev/null
+++ b/test/regress/regress1/quantifiers/issue5470-aext.smt2
@@ -0,0 +1,6 @@
+(set-logic NIA)
+(set-option :strings-exp true)
+(set-info :status sat)
+(declare-fun b () Int)
+(assert (exists ((c Int)) (< 0 c (div 0 b))))
+(check-sat)
diff --git a/test/regress/regress1/quantifiers/issue5471-aext.smt2 b/test/regress/regress1/quantifiers/issue5471-aext.smt2
new file mode 100644
index 000000000..c420359fc
--- /dev/null
+++ b/test/regress/regress1/quantifiers/issue5471-aext.smt2
@@ -0,0 +1,10 @@
+(set-logic NRA)
+(set-option :sygus-inst true)
+(set-option :strings-exp true)
+(set-info :status unsat)
+(declare-fun a () Real)
+(declare-fun b () Real)
+(declare-fun c () Real)
+(assert (forall ((d Real)) (= (> d 0) (<= (+ d (/ a c)) 0))))
+(assert (<= (* b b) 0))
+(check-sat)
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