diff options
| -rw-r--r-- | src/theory/strings/core_solver.cpp | 6 | ||||
| -rw-r--r-- | test/regress/CMakeLists.txt | 1 | ||||
| -rw-r--r-- | test/regress/regress1/strings/issue4379.smt2 | 9 |
3 files changed, 14 insertions, 2 deletions
diff --git a/src/theory/strings/core_solver.cpp b/src/theory/strings/core_solver.cpp index 21b406ff3..9989c89f4 100644 --- a/src/theory/strings/core_solver.cpp +++ b/src/theory/strings/core_solver.cpp @@ -1872,7 +1872,8 @@ void CoreSolver::processDeq(Node ni, Node nj) antec, nm->mkNode( OR, nm->mkNode(AND, eq1, sk.eqNode(firstChar).negate()), eq2), - Inference::DEQ_DISL_FIRST_CHAR_STRING_SPLIT); + Inference::DEQ_DISL_FIRST_CHAR_STRING_SPLIT, + true); d_im.sendPhaseRequirement(eq1, true); return; } @@ -1920,7 +1921,8 @@ void CoreSolver::processDeq(Node ni, Node nj) d_im.sendInference(antec, antecNewLits, nm->mkNode(AND, conc), - Inference::DEQ_DISL_STRINGS_SPLIT); + Inference::DEQ_DISL_STRINGS_SPLIT, + true); return; } } diff --git a/test/regress/CMakeLists.txt b/test/regress/CMakeLists.txt index ac96110ce..cf953c252 100644 --- a/test/regress/CMakeLists.txt +++ b/test/regress/CMakeLists.txt @@ -1752,6 +1752,7 @@ set(regress_1_tests regress1/strings/issue3272.smt2 regress1/strings/issue3357.smt2 regress1/strings/issue3657-unexpectedUnsatCVC4.smt2 + regress1/strings/issue4379.smt2 regress1/strings/kaluza-fl.smt2 regress1/strings/loop002.smt2 regress1/strings/loop003.smt2 diff --git a/test/regress/regress1/strings/issue4379.smt2 b/test/regress/regress1/strings/issue4379.smt2 new file mode 100644 index 000000000..c5d024bc2 --- /dev/null +++ b/test/regress/regress1/strings/issue4379.smt2 @@ -0,0 +1,9 @@ +; COMMAND-LINE: --strings-exp +; EXPECT: sat +(set-logic QF_SLIA) +(set-info :status sat) +(declare-const i7 Int) +(declare-const Str8 String) +(declare-const Str17 String) +(assert (distinct (str.++ "" "rvhhcn" "" Str8 (int.to.str 56)) (str.++ "" (int.to.str i7) "" Str17) Str17)) +(check-sat) |