diff options
Diffstat (limited to 'Test/civl/lock.bpl')
-rw-r--r-- | Test/civl/lock.bpl | 114 |
1 files changed, 57 insertions, 57 deletions
diff --git a/Test/civl/lock.bpl b/Test/civl/lock.bpl index 9341591f..ee736029 100644 --- a/Test/civl/lock.bpl +++ b/Test/civl/lock.bpl @@ -1,57 +1,57 @@ -// 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; }|;
+// 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; }|; |