CVC5: Set option "--arrays-exp" to enable support for array constants

Author: daniel-raffler

src/org/sosy_lab/java_smt/solvers/cvc5/CVC5AbstractProver.java

@@ -99,6 +99,10 @@ protected void setSolverOptions(
     // Set Strings option to enable all String features (such as lessOrEquals)
     pSolver.setOption("strings-exp", "true");
 
+    // Enable experimental array features
+    // Needed when array constants (= with default element) are used
+    pSolver.setOption("arrays-exp", "true");
+
     // Enable more complete quantifier solving (for more info see CVC5QuantifiedFormulaManager)
     pSolver.setOption("full-saturate-quant", "true");
   }