fix links

CHANGES.md

@@ -1199,7 +1199,7 @@
     due to the current limitations in SMT-solvers. However, there
     is a pending SMTLib proposal to support unicode, and SBV will track
     these changes to have full unicode support: For further details
-    see: http://smtlib.cs.uiowa.edu/theories-UnicodeStrings.shtml
+    see: https://smt-lib.org/theories-UnicodeStrings.shtml
 
     The 'SString' type is the type of symbolic strings, consisting
     of characters from the Latin-1 character set currently, just
@@ -2120,7 +2120,7 @@
   * Tracking changes in the SMT-Lib floating-point theory. If you are
     using symbolic floating-point types (i.e., SFloat and SDouble), then
     you should upgrade to this version and also get a very latest (unstable)
-    Z3 release. See http://smtlib.cs.uiowa.edu/theories-FloatingPoint.shtml
+    Z3 release. See https://smt-lib.org/theories-FloatingPoint.shtml
     for details.
 
   * Introduce a new class, 'RoundingFloat', which supports floating-point

Data/SBV.hs

@@ -801,7 +801,7 @@ by Rummer and Wahl: <http://www.philipp.ruemmer.org/publications/smt-fpa.pdf>.
 
 {- $strings
 Support for characters, strings, and regular expressions (initial version contributed by Joel Burget)
-adds support for QF_S logic, described here: <http://smtlib.cs.uiowa.edu/theories-UnicodeStrings.shtml>
+adds support for QF_S logic, described here: <https://smt-lib.org/theories-UnicodeStrings.shtml>
 
 See "Data.SBV.Char", "Data.SBV.String", "Data.SBV.RegExp" for related functions.
 -}

Data/SBV/Char.hs

@@ -14,7 +14,7 @@
 -- and strings.
 --
 -- 'SChar' type only covers all unicode characters, following the specification
--- in <http://smtlib.cs.uiowa.edu/theories-UnicodeStrings.shtml>.
+-- in <https://smt-lib.org/theories-UnicodeStrings.shtml>.
 -- However, some of the recognizers only support the Latin1 subset, suffixed
 -- by @L1@. The reason for this is that there is no performant way of performing
 -- these functions for the entire unicode set. As SMTLib's capabilities increase,

Data/SBV/Core/Data.hs

@@ -174,7 +174,7 @@ type SFPDouble = SBV FPDouble
 type SFPQuad = SBV FPQuad
 
 -- | A symbolic character. Note that this is the full unicode character set.
--- see: <http://smtlib.cs.uiowa.edu/theories-UnicodeStrings.shtml>
+-- see: <https://smt-lib.org/theories-UnicodeStrings.shtml>
 -- for details.
 type SChar = SBV Char
 
@@ -717,7 +717,7 @@ class SymArray array where
   -- newArray, we must provide a dummy implementation for newArrayInState:
   newArrayInState = error "undefined: newArrayInState"
 
--- | Arrays implemented in terms of SMT-arrays: <http://smtlib.cs.uiowa.edu/theories-ArraysEx.shtml>
+-- | Arrays implemented in terms of SMT-arrays: <https://smt-lib.org/theories-ArraysEx.shtml>
 --
 --   * Maps directly to SMT-lib arrays
 --

Data/SBV/SMT/SMTLib2.hs

@@ -1299,7 +1299,7 @@ declareName s t@(SBVType inputKS) mbCmnt = decl : restrict
                                             in c1 ++ c2
 
 -----------------------------------------------------------------------------------------------
--- Casts supported by SMTLib. (From: <http://smtlib.cs.uiowa.edu/theories-FloatingPoint.shtml>)
+-- Casts supported by SMTLib. (From: <https://smt-lib.org/theories-FloatingPoint.shtml>)
 --   ; from another floating point sort
 --   ((_ to_fp eb sb) RoundingMode (_ FloatingPoint mb nb) (_ FloatingPoint eb sb))
 --