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| author | Andrew Reynolds <andrew.j.reynolds@gmail.com> | 2020-03-09 00:15:09 -0500 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2020-03-08 22:15:09 -0700 |
| commit | e3110121a3f19ba1594a9b54f7f332804fd2e2af (patch) | |
| tree | 2ea6cc85a99d7c7725c8d6ef349d400a5e259711 | |
| parent | a0b35a8ba9c47ed521082c5ac5a8f50909d9f7c4 (diff) | |
Rewrite again full for DIV rewrite (#3945)
Fixes #3944.
| -rw-r--r-- | src/theory/arith/arith_rewriter.cpp | 2 | ||||
| -rw-r--r-- | test/regress/CMakeLists.txt | 1 | ||||
| -rw-r--r-- | test/regress/regress1/sygus/issue3944-div-rewrite.smt2 | 11 |
3 files changed, 13 insertions, 1 deletions
diff --git a/src/theory/arith/arith_rewriter.cpp b/src/theory/arith/arith_rewriter.cpp index 4f93ba745..222b63db5 100644 --- a/src/theory/arith/arith_rewriter.cpp +++ b/src/theory/arith/arith_rewriter.cpp @@ -753,7 +753,7 @@ RewriteResponse ArithRewriter::rewriteIntsDivModTotal(TNode t, bool pre){ Node ret = (k == kind::INTS_DIVISION || k == kind::INTS_DIVISION_TOTAL) ? nm->mkNode(kind::UMINUS, nn) : nn; - return RewriteResponse(REWRITE_AGAIN, ret); + return RewriteResponse(REWRITE_AGAIN_FULL, ret); } else if (dIsConstant && n.getKind() == kind::CONST_RATIONAL) { diff --git a/test/regress/CMakeLists.txt b/test/regress/CMakeLists.txt index 3bcbfa859..5ef9f9f6c 100644 --- a/test/regress/CMakeLists.txt +++ b/test/regress/CMakeLists.txt @@ -1839,6 +1839,7 @@ set(regress_1_tests regress1/sygus/issue3649.sy regress1/sygus/issue3802-default-consts.sy regress1/sygus/issue3839-cond-rewrite.smt2 + regress1/sygus/issue3944-div-rewrite.smt2 regress1/sygus/large-const-simp.sy regress1/sygus/let-bug-simp.sy regress1/sygus/list-head-x.sy diff --git a/test/regress/regress1/sygus/issue3944-div-rewrite.smt2 b/test/regress/regress1/sygus/issue3944-div-rewrite.smt2 new file mode 100644 index 000000000..78035790b --- /dev/null +++ b/test/regress/regress1/sygus/issue3944-div-rewrite.smt2 @@ -0,0 +1,11 @@ +; EXPECT: sat +; COMMAND-LINE: --sygus-inference +(set-logic ALL) +(declare-fun a () Int) +(declare-fun b () Int) +(declare-fun c () Int) +(declare-fun d () Int) +(assert (= c d)) +(assert (> (+ a (div 0 b)) c)) +(assert (= b (- 1))) +(check-sat) |