Jessie3: support for loops and related constructs

src/jessie/tests/basic/isqrt.c

@@ -13,10 +13,11 @@ int isqrt(int x) {
   /*@ loop invariant count >= 0 && x >= sqr(count) && sum == sqr(count+1);
     @ loop variant  x - count; 
     @*/
-  while (sum <= x) sum += 2 * ++count + 1;
+  while (sum <= x) { ++count; sum += 2 * count + 1; }
   return count;
 }
 
+#if 0
 //@ ensures \result == 4;
 int main () {
   int r;
@@ -26,6 +27,8 @@ int main () {
   return r;
 }
 
+#endif
+
 /*
 Local Variables:
 compile-command: "frama-c -add-path ../.. -jessie3 isqrt.c"

src/jessie/tests/basic/oracle/forty-two.res.oracle

@@ -24,7 +24,8 @@
             
             goal WP_parameter_f : (6 * 7) = 42
             
-            goal WP_parameter_g : true
+            goal WP_parameter_g :
+              forall us_retres:int. us_retres = (6 * 7) -> us_retres = 42
             end
 [jessie3] Alt-Ergo 0.94, Alt-Ergo 0.95, CVC3 2.2, CVC3 2.4.1, Z3 3.2, Z3 4.2
 [jessie3] Task 1: Valid, Valid, Valid, Valid, Valid, Valid

src/jessie/tests/basic/oracle/incr.res.oracle

@@ -2,26 +2,6 @@
 [jessie3] user error: WARNING: Variable Frama_C_bzero not translated
 [jessie3] user error: WARNING: Variable Frama_C_copy_block not translated
 [jessie3] processing function f
-[jessie3] found 0 logic decl(s)
-[jessie3] made 0 theory(ies)
-[jessie3] made 1 function(s)
-[jessie3] running theory 1:
-[jessie3] theory C_Functions
-            (* use why3.BuiltIn *)
-            
-            (* use why3.Bool *)
-            
-            (* use why3.Unit *)
-            
-            (* use why3.Prelude *)
-            
-            (* use int.Int *)
-            
-            (* use real.Real *)
-            
-            (* use ref.Ref *)
-            
-            goal WP_parameter_f : true
-            end
-[jessie3] Alt-Ergo 0.94, Alt-Ergo 0.95, CVC3 2.2, CVC3 2.4.1, Z3 3.2, Z3 4.2
-[jessie3] Task 1: Valid, Valid, Valid, Valid, Valid, Valid
+[kernel] Plug-in jessie3 aborted: unimplemented feature.
+         You may send a feature request at http://bts.frama-c.com with:
+         '[Plug-in jessie3] term_node Tat/Old'.

src/jessie/tests/basic/oracle/isqrt.res.oracle

@@ -5,4 +5,4 @@
 [jessie3] processing function isqrt
 [kernel] Plug-in jessie3 aborted: unimplemented feature.
          You may send a feature request at http://bts.frama-c.com with:
-         '[Plug-in jessie3] stmt Loop'.
+         '[Plug-in jessie3] term_node Tat/Old'.