diff options
author | qadeer <qadeer@microsoft.com> | 2015-04-22 09:26:56 -0700 |
---|---|---|
committer | qadeer <qadeer@microsoft.com> | 2015-04-22 09:26:56 -0700 |
commit | 4c6dd519143fdbc8ecada56d58103d098c6bd18c (patch) | |
tree | abdbf5f883d31236a221a5b95f5f0364e75caf36 /Test/civl/FlanaganQadeer.bpl | |
parent | 95a9ed0282811aa2bc3170f41b8b63508918b28e (diff) |
renamed og to civl
Diffstat (limited to 'Test/civl/FlanaganQadeer.bpl')
-rw-r--r-- | Test/civl/FlanaganQadeer.bpl | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/Test/civl/FlanaganQadeer.bpl b/Test/civl/FlanaganQadeer.bpl new file mode 100644 index 00000000..7345b5b2 --- /dev/null +++ b/Test/civl/FlanaganQadeer.bpl @@ -0,0 +1,75 @@ +// RUN: %boogie -noinfer -typeEncoding:m -useArrayTheory "%s" > "%t"
+// RUN: %diff "%s.expect" "%t"
+type X;
+const nil: X;
+var {:layer 0,1} l: X;
+var {:layer 0,1} x: int;
+
+function {:builtin "MapConst"} MapConstBool(bool) : [X]bool;
+function {:inline} {:linear "tid"} TidCollector(x: X) : [X]bool
+{
+ MapConstBool(false)[x := true]
+}
+
+procedure {:yields} {:layer 1} Allocate() returns ({:linear "tid"} xl: X)
+ensures {:layer 1} xl != nil;
+{
+ yield;
+ call xl := AllocateLow();
+ yield;
+}
+
+procedure {:yields} {:layer 1} main()
+{
+ var {:linear "tid"} tid: X;
+ var val: int;
+
+ yield;
+ while (*)
+ {
+ call tid := Allocate();
+ havoc val;
+ async call foo(tid, val);
+ yield;
+ }
+ yield;
+}
+procedure {:yields} {:layer 0,1} Lock(tid: X);
+ensures {:atomic} |{A: assume l == nil; l := tid; return true; }|;
+
+procedure {:yields} {:layer 0,1} Unlock();
+ensures {:atomic} |{A: l := nil; return true; }|;
+
+procedure {:yields} {:layer 0,1} Set(val: int);
+ensures {:atomic} |{A: x := val; return true; }|;
+
+procedure {:yields} {:layer 0,1} AllocateLow() returns ({:linear "tid"} xl: X);
+ensures {:atomic} |{ A: assume xl != nil; return true; }|;
+
+procedure {:yields} {:layer 1} foo({:linear_in "tid"} tid': X, val: int)
+requires {:layer 1} tid' != nil;
+{
+ var {:linear "tid"} tid: X;
+ tid := tid';
+
+ yield;
+ call Lock(tid);
+ call tid := Yield(tid);
+ call Set(val);
+ call tid := Yield(tid);
+ assert {:layer 1} x == val;
+ call tid := Yield(tid);
+ call Unlock();
+ yield;
+}
+
+procedure {:yields} {:layer 1} Yield({:linear_in "tid"} tid': X) returns ({:linear "tid"} tid: X)
+requires {:layer 1} tid' != nil;
+ensures {:layer 1} tid == tid';
+ensures {:layer 1} old(l) == tid ==> old(l) == l && old(x) == x;
+{
+ tid := tid';
+ yield;
+ assert {:layer 1} tid != nil;
+ assert {:layer 1} (old(l) == tid ==> old(l) == l && old(x) == x);
+}
\ No newline at end of file |