diff options
Diffstat (limited to 'Test/og/lock.bpl')
-rw-r--r-- | Test/og/lock.bpl | 57 |
1 files changed, 0 insertions, 57 deletions
diff --git a/Test/og/lock.bpl b/Test/og/lock.bpl deleted file mode 100644 index 9341591f..00000000 --- a/Test/og/lock.bpl +++ /dev/null @@ -1,57 +0,0 @@ -// RUN: %boogie -noinfer -typeEncoding:m -useArrayTheory "%s" > "%t"
-// RUN: %diff "%s.expect" "%t"
-var {:layer 0,2} b: bool;
-
-procedure {:yields} {:layer 2} main()
-{
- yield;
- while (*)
- {
- async call Customer();
- yield;
- }
- yield;
-}
-
-procedure {:yields} {:layer 2} Customer()
-{
- yield;
- while (*)
- {
- call Enter();
- yield;
- call Leave();
- yield;
- }
- yield;
-}
-
-procedure {:yields} {:layer 1,2} Enter()
-ensures {:atomic} |{ A: assume !b; b := true; return true; }|;
-{
- var status: bool;
- yield;
- L:
- call status := CAS(false, true);
- yield;
- goto A, B;
-
- A:
- assume status;
- yield;
- return;
-
- B:
- assume !status;
- goto L;
-}
-
-procedure {:yields} {:layer 0,2} CAS(prev: bool, next: bool) returns (status: bool);
-ensures {:atomic} |{
-A: goto B, C;
-B: assume b == prev; b := next; status := true; return true;
-C: status := false; return true;
-}|;
-
-procedure {:yields} {:layer 0,2} Leave();
-ensures {:atomic} |{ A: b := false; return true; }|;
|