Add tests for the server

5 files changed, 1000 insertions, 35 deletions

diff --git a/Source/DafnyServer/Server.cs b/Source/DafnyServer/Server.cs
index c6f619d3..74cdd8c2 100644
--- a/Source/DafnyServer/Server.cs
+++ b/Source/DafnyServer/Server.cs
@@ -22,7 +22,7 @@ namespace Microsoft.Dafny {
       if (hasArg && args[0] == "selftest") {

         VerificationTask.SelfTest();

       } else if (hasArg && File.Exists(arg)) {

-        Console.WriteLine("# Reading from {0}", arg);

+        Console.WriteLine("# Reading from {0}", Path.GetFileName(arg));

         Console.SetIn(new StreamReader(arg));

         server.Loop();

       } else {

diff --git a/Test/lit.site.cfg b/Test/lit.site.cfg
index a960bdbc..c5718f86 100644
--- a/Test/lit.site.cfg
+++ b/Test/lit.site.cfg
@@ -79,14 +79,21 @@ lit_config.note('Repository root is {}'.format(repositoryRoot))
 
 binaryDir = os.path.join( repositoryRoot, 'Binaries')
 dafnyExecutable = os.path.join( binaryDir, 'Dafny.exe')
+serverExecutable = os.path.join( binaryDir, 'DafnyServer.exe')
 
 if not os.path.exists(dafnyExecutable):
     lit_config.fatal('Could not find Dafny.exe at {}'.format(dafnyExecutable))
 
+if not os.path.exists(serverExecutable):
+    lit_config.warning('Could not find DafnyServer.exe at {}'.format(serverExecutable))
+else:
+    config.suffixes.append('.transcript')
+
 dafnyExecutable = quotePath(dafnyExecutable)
 
 if os.name == 'posix':
     dafnyExecutable = 'mono ' + dafnyExecutable
+    serverExecutable = 'mono ' + serverExecutable
     if lit.util.which('mono') == None:
         lit_config.fatal('Cannot find mono. Make sure it is your PATH')
 
@@ -105,6 +112,7 @@ if len(dafnyParams) > 0:
 lit_config.note('Using Dafny: {}\n'.format(dafnyExecutable))
 
 config.substitutions.append( ('%dafny', dafnyExecutable) )
+config.substitutions.append( ('%server', serverExecutable) )
 
 # Sanity check: Check solver executable is available
 # FIXME: Should this check be removed entirely?
diff --git a/Test/runTests.py b/Test/runTests.py
index fc9c20e7..ebdb0655 100644
--- a/Test/runTests.py
+++ b/Test/runTests.py
@@ -38,6 +38,7 @@ class Defaults:
     DAFNY_BIN = os.path.realpath(os.path.join(os.path.dirname(__file__), "../Binaries/Dafny.exe"))

     COMPILER = [DAFNY_BIN]

     FLAGS = ["/useBaseNameForFileName", "/compile:1", "/nologo", "/timeLimit:300"]

+    EXTENSIONS = [".dfy", ".transcript"]

 

 class Colors:

     RED = '\033[91m'

@@ -103,7 +104,6 @@ class Test:
 

     def __init__(self, name, source_path, cmds, timeout, compiler_id = 0):

         self.name = name

-        self.dfy = None if self.name is None else (self.name + ".dfy")

         self.source_path = Test.uncygdrive(source_path)

         self.expect_path = Test.source_to_expect_path(self.source_path)

         self.source_directory, self.fname = os.path.split(self.source_path)

@@ -182,7 +182,7 @@ class Test:
                     debug(Debug.REPORT, "{} of {}".format(len(tests), len(results)), headers=status)

                     if status != TestStatus.PASSED:

                         for test in tests:

-                            debug(Debug.REPORT, "* " + test.dfy, headers=status, silentheaders=True)

+                            debug(Debug.REPORT, "* " + test.name, headers=status, silentheaders=True)

 

             debug(Debug.REPORT)

 

@@ -190,14 +190,14 @@ class Test:
             if failing:

                 with open("failing.lst", mode='w') as writer:

                     for t in failing:

-                        writer.write("{}\t{}\n".format(t.name, t.source_path))

+                        writer.write("{}\n".format(t.name))

                 debug(Debug.REPORT, "Some tests failed: use [runTests.py failing.lst] to rerun the failing tests")

 

             debug(Debug.REPORT, "Testing took {:.2f}s on {} thread(s)".format(results[0].suite_time, results[0].njobs))

 

 

     def run(self):

-        debug(Debug.DEBUG, "Starting {}".format(self.dfy))

+        debug(Debug.DEBUG, "Starting {}".format(self.name))

         os.makedirs(self.temp_directory, exist_ok=True)

         # os.chdir(self.source_directory)

 

@@ -227,7 +227,7 @@ class Test:
 

             stdout, stderr = stdout.strip(), stderr.strip()

             if stdout != b"" or stderr != b"":

-                debug(Debug.TRACE, "Writing the output of {} to {}".format(self.dfy, self.temp_output_path))

+                debug(Debug.TRACE, "Writing the output of {} to {}".format(self.name, self.temp_output_path))

                 with open(self.temp_output_path, mode='ab') as writer:

                     writer.write(stdout + stderr)

             if stderr != b"":

@@ -249,7 +249,7 @@ class Test:
 

         fstring = "[{:5.2f}s] {} ({}{})"

         progress = "{}/{}".format(tid, len(alltests))

-        message = fstring.format(self.duration, wrap_color(self.dfy, Colors.BRIGHT),

+        message = fstring.format(self.duration, wrap_color(self.name, Colors.BRIGHT),

                                  wrap_color(progress, Colors.BRIGHT), running)

 

         debug(Debug.INFO, message, headers=self.status)

@@ -275,7 +275,7 @@ def setup_parser():
     parser = argparse.ArgumentParser(description='Run the Dafny test suite.')

 

     parser.add_argument('path', type=str, action='store', nargs='+',

-                        help='Input files or folders. Folders are searched for .dfy files. Lists of files can also be specified by passing a .lst file (for an example of such a file, look at failing.lst after running failing tests.')

+                        help='Input files or folders. Folders are searched for test files. Lists of files can also be specified by passing a .lst file (for an example of such a file, look at failing.lst after running failing tests.')

 

     parser.add_argument('--compiler', type=str, action='append', default=None,

                         help='Dafny executable. Default: {}'.format(Defaults.DAFNY_BIN))

@@ -293,11 +293,14 @@ def setup_parser():
                         help='Excluded directories. {} are automatically added.'.format(Defaults.ALWAYS_EXCLUDED))

 

     parser.add_argument('--verbosity', action='store', type=int, default=1,

-                        help='Set verbosity level. 0: Minimal; 1: Some info; 2: More info.')

+                        help='Set verbosity level. 0: Minimal; 1: Some info; 2: More info; 3: Trace.')

 

     parser.add_argument('-v', action='store_const', default=1, dest="verbosity", const=2,

                         help='Short for --verbosity 2.')

 

+    parser.add_argument('-vv', action='store_const', default=1, dest="verbosity", const=3,

+                        help='Short for --verbosity 3.')

+

     parser.add_argument('--report', '-r', action='store', type=str, default=None,

                         help='Give an explicit name to the report file. Defaults to the current date and time.')

 

@@ -339,7 +342,7 @@ def run_one_internal(test, test_id, args, running):
             # ignore further work once you receive a kill signal

             KILLED = True

         except Exception as e:

-            debug(Debug.ERROR, "[{}] {}".format(test.dfy, e))

+            debug(Debug.ERROR, "[{}] {}".format(test.name, e))

             test.status = TestStatus.UNKNOWN

         finally:

             running.remove(test_id)

@@ -349,53 +352,71 @@ def run_one_internal(test, test_id, args, running):
 def run_one(args):

     return run_one_internal(*args)

 

-def read_one_test(name, fname, compiler_cmds, timeout):

+def get_server_path(compiler):

+    REGEXP = r"\bDafny.exe\b.*"

+    if re.search(REGEXP, compiler):

+        return re.sub(REGEXP, "DafnyServer.exe", compiler)

+    else:

+        return None

+

+def substitute_binaries(cmd, compiler):

+    cmd = cmd.replace("%dafny", compiler)

+    cmd = cmd.replace("%server", get_server_path(compiler))

+    return cmd

+

+def read_one_test(fname, compiler_cmds, timeout):

     for cid, compiler_cmd in enumerate(compiler_cmds):

         source_path = os.path.realpath(fname)

         with open(source_path, mode='r') as reader:

             cmds = []

             for line in reader:

                 line = line.strip()

-                match = re.match("^// *RUN: *(?!%diff)([^ ].*)$", line)

+                match = re.match("^[/# ]*RUN: *(?!%diff)([^ ].*)$", line)

                 if match:

-                    cmds.append(match.groups()[0].replace("%dafny", compiler_cmd))

+                    debug(Debug.TRACE, "Found RUN spec: {}".format(line))

+                    cmds.append(substitute_binaries(match.groups()[0], compiler_cmd))

                 else:

                     break

         if cmds:

-            yield Test(name, source_path, cmds, timeout, cid)

+            yield Test(fname, source_path, cmds, timeout, cid)

         else:

-            debug(Debug.INFO, "Test file {} has no RUN specification".format(fname))

+            debug(Debug.WARNING, "Test file {} has no RUN specification".format(fname))

 

 

-def find_one(name, fname, compiler_cmds, timeout, allow_lst=False):

-    name, ext = os.path.splitext(fname)

-    if ext == ".dfy":

+def find_one(fname, compiler_cmds, timeout):

+    _, ext = os.path.splitext(fname)

+    if ext in Defaults.EXTENSIONS:

         if os.path.exists(fname):

             debug(Debug.TRACE, "Found test file: {}".format(fname))

-            yield from read_one_test(name, fname, compiler_cmds, timeout)

+            yield from read_one_test(fname, compiler_cmds, timeout)

         else:

             debug(Debug.ERROR, "Test file {} not found".format(fname))

-    elif ext == ".lst" and allow_lst: #lst files are only read if explicitly listed on the CLI

-        debug(Debug.INFO, "Loading tests from {}".format(fname))

-        with open(fname) as reader:

-            for line in reader:

-                _name, _path = line.strip().split()

-                yield from find_one(_name, _path, compiler_cmds, timeout)

     else:

         debug(Debug.TRACE, "Ignoring {}".format(fname))

 

 

-def find_tests(paths, compiler_cmds, excluded, timeout):

+def expand_lsts(paths):

     for path in paths:

+        _, ext = os.path.splitext(path)

+        if ext == ".lst": #lst files are only read if explicitly listed on the CLI

+            debug(Debug.INFO, "Loading tests from {}".format(path))

+            with open(path) as reader:

+                for line in reader:

+                    _path = line.strip()

+                    yield _path

+        else:

+            yield path

+

+def find_tests(paths, compiler_cmds, excluded, timeout):

+    for path in expand_lsts(paths):

         if os.path.isdir(path):

             debug(Debug.TRACE, "Searching for tests in {}".format(path))

             for base, dirnames, fnames in os.walk(path):

                 dirnames[:] = [d for d in dirnames if d not in excluded]

                 for fname in fnames:

-                    yield from find_one(fname, os.path.join(base, fname), compiler_cmds, timeout)

+                    yield from find_one(os.path.join(base, fname), compiler_cmds, timeout)

         else:

-            yield from find_one(path, path, compiler_cmds, timeout, True)

-

+            yield from find_one(path, compiler_cmds, timeout)

 

 def run_tests(args):

     if args.compiler is None:

@@ -404,12 +425,15 @@ def run_tests(args):
         args.base_flags = Defaults.FLAGS

 

     for compiler in args.compiler:

+        server = get_server_path(compiler)

         if not os.path.exists(compiler):

             debug(Debug.ERROR, "Compiler not found: {}".format(compiler))

             return

+        if not os.path.exists(server):

+            debug(Debug.WARNING, "Server not found")

 

     tests = list(find_tests(args.path, [compiler + ' ' + " ".join(args.base_flags + args.flags)

-                                         for compiler in args.compiler],

+                                        for compiler in args.compiler],

                             args.exclude + Defaults.ALWAYS_EXCLUDED, args.timeout))

     tests.sort(key=operator.attrgetter("name"))

 

@@ -447,10 +471,7 @@ def run_tests(args):
 

 

 def diff(paths, accept, difftool):

-    for path in paths:

-        if not path.endswith(".dfy"):

-            path += ".dfy"

-

+    for path in expand_lsts(paths):

         if not os.path.exists(path):

             debug(Debug.ERROR, "Not found: {}".format(path))

         else:

@@ -470,7 +491,7 @@ def compare_results(globs, time_all):
     from glob import glob

     paths = [path for g in globs for path in glob(g)]

     reports = {path: Test.load_report(path) for path in paths}

-    resultsets = {path: {test.dfy: (test.status, test.duration) for test in report}

+    resultsets = {path: {test.name: (test.status, test.duration) for test in report}

                   for path, report in reports.items()}

 

     all_tests = set(name for resultset in resultsets.values() for name in resultset.keys())

diff --git a/Test/server/simple-session.transcript b/Test/server/simple-session.transcript
new file mode 100644
index 00000000..26539267
--- /dev/null
+++ b/Test/server/simple-session.transcript
@@ -0,0 +1,637 @@
+# RUN: %server "%s" > "%t"

+# RUN: %diff "%s.expect" "%t"

+verify

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diff --git a/Test/server/simple-session.transcript.expect b/Test/server/simple-session.transcript.expect
new file mode 100644
index 00000000..89c3351d
--- /dev/null
+++ b/Test/server/simple-session.transcript.expect
@@ -0,0 +1,299 @@
+# Reading from simple-session.transcript

+transcript(3,9): Error: assertion violation

+Execution trace:

+    (0,0): anon0

+Verification completed successfully!
+[SUCCESS] [[DAFNY-SERVER: EOM]]
+transcript(3,9): Error: assertion violation

+Execution trace:

+    (0,0): anon0

+Verification completed successfully!
+[SUCCESS] [[DAFNY-SERVER: EOM]]
+transcript(3,9): Error: assertion violation

+Execution trace:

+    (0,0): anon0

+Verification completed successfully!
+[SUCCESS] [[DAFNY-SERVER: EOM]]
+transcript(3,9): Error: assertion violation

+Execution trace:

+    (0,0): anon0

+Verification completed successfully!
+[SUCCESS] [[DAFNY-SERVER: EOM]]
+Verification completed successfully!
+[SUCCESS] [[DAFNY-SERVER: EOM]]
+transcript(5,13): Error: rbrace expected

+Verification completed successfully!
+[SUCCESS] [[DAFNY-SERVER: EOM]]
+transcript(6,2): Error: rbrace expected

+Verification completed successfully!
+[SUCCESS] [[DAFNY-SERVER: EOM]]
+Verification completed successfully!
+[SUCCESS] [[DAFNY-SERVER: EOM]]
+Verification completed successfully!
+[SUCCESS] [[DAFNY-SERVER: EOM]]
+Verification completed successfully!
+[SUCCESS] [[DAFNY-SERVER: EOM]]
+transcript(7,0): Error: invalid UpdateStmt

+Verification completed successfully!
+[SUCCESS] [[DAFNY-SERVER: EOM]]
+Verification completed successfully!
+[SUCCESS] [[DAFNY-SERVER: EOM]]
+transcript(7,0): Error: ident expected

+Verification completed successfully!
+[SUCCESS] [[DAFNY-SERVER: EOM]]
+Verification completed successfully!
+[SUCCESS] [[DAFNY-SERVER: EOM]]
+Verification completed successfully!
+[SUCCESS] [[DAFNY-SERVER: EOM]]
+transcript(7,11): Error: the number of left-hand sides (2) and right-hand sides (1) must match for a multi-assignment

+Verification completed successfully!
+[SUCCESS] [[DAFNY-SERVER: EOM]]
+transcript(7,11): Error: the number of left-hand sides (2) and right-hand sides (1) must match for a multi-assignment

+Verification completed successfully!
+[SUCCESS] [[DAFNY-SERVER: EOM]]
+Verification completed successfully!
+[SUCCESS] [[DAFNY-SERVER: EOM]]
+transcript(5,0): Warning: module-level methods are always non-instance, so the 'static' keyword is not allowed here

+Verification completed successfully!
+[SUCCESS] [[DAFNY-SERVER: EOM]]
+transcript(5,0): Warning: module-level methods are always non-instance, so the 'static' keyword is not allowed here

+Verification completed successfully!
+[SUCCESS] [[DAFNY-SERVER: EOM]]
+transcript(5,0): Warning: module-level methods are always non-instance, so the 'static' keyword is not allowed here

+Verification completed successfully!
+[SUCCESS] [[DAFNY-SERVER: EOM]]
+transcript(5,0): Warning: module-level methods are always non-instance, so the 'static' keyword is not allowed here

+Verification completed successfully!
+[SUCCESS] [[DAFNY-SERVER: EOM]]
+transcript(5,0): Warning: module-level methods are always non-instance, so the 'static' keyword is not allowed here

+Verification completed successfully!
+[SUCCESS] [[DAFNY-SERVER: EOM]]
+transcript(5,0): Warning: module-level methods are always non-instance, so the 'static' keyword is not allowed here

+transcript(6,2): Error: EOF expected

+Verification completed successfully!
+[SUCCESS] [[DAFNY-SERVER: EOM]]
+transcript(5,0): Warning: module-level methods are always non-instance, so the 'static' keyword is not allowed here

+transcript(6,2): Error: EOF expected

+Verification completed successfully!
+[SUCCESS] [[DAFNY-SERVER: EOM]]
+transcript(5,0): Warning: module-level methods are always non-instance, so the 'static' keyword is not allowed here

+Verification completed successfully!
+[SUCCESS] [[DAFNY-SERVER: EOM]]
+transcript(5,0): Warning: module-level methods are always non-instance, so the 'static' keyword is not allowed here

+transcript(11,0): Error: invalid UpdateStmt

+Verification completed successfully!
+[SUCCESS] [[DAFNY-SERVER: EOM]]
+transcript(5,0): Warning: module-level methods are always non-instance, so the 'static' keyword is not allowed here

+transcript(11,0): Error: semi expected

+Verification completed successfully!
+[SUCCESS] [[DAFNY-SERVER: EOM]]
+transcript(5,0): Warning: module-level methods are always non-instance, so the 'static' keyword is not allowed here

+transcript(11,0): Error: invalid UnaryExpression

+Verification completed successfully!
+[SUCCESS] [[DAFNY-SERVER: EOM]]
+transcript(5,0): Warning: module-level methods are always non-instance, so the 'static' keyword is not allowed here

+transcript(10,25): Error: openparen expected

+Verification completed successfully!
+[SUCCESS] [[DAFNY-SERVER: EOM]]
+transcript(5,0): Warning: module-level methods are always non-instance, so the 'static' keyword is not allowed here

+transcript(10,25): Error: openparen expected

+Verification completed successfully!
+[SUCCESS] [[DAFNY-SERVER: EOM]]
+transcript(5,0): Warning: module-level methods are always non-instance, so the 'static' keyword is not allowed here

+transcript(10,26): Error: invalid QSep

+Verification completed successfully!
+[SUCCESS] [[DAFNY-SERVER: EOM]]
+transcript(5,0): Warning: module-level methods are always non-instance, so the 'static' keyword is not allowed here

+transcript(10,28): Error: invalid QSep

+Verification completed successfully!
+[SUCCESS] [[DAFNY-SERVER: EOM]]
+transcript(5,0): Warning: module-level methods are always non-instance, so the 'static' keyword is not allowed here

+transcript(10,27): Error: invalid UnaryExpression

+Verification completed successfully!
+[SUCCESS] [[DAFNY-SERVER: EOM]]
+transcript(5,0): Warning: module-level methods are always non-instance, so the 'static' keyword is not allowed here

+transcript(10,9): Error: assertion violation

+Execution trace:

+    (0,0): anon0

+Verification completed successfully!
+[SUCCESS] [[DAFNY-SERVER: EOM]]
+transcript(5,0): Warning: module-level methods are always non-instance, so the 'static' keyword is not allowed here

+Verification completed successfully!
+[SUCCESS] [[DAFNY-SERVER: EOM]]
+transcript(5,0): Warning: module-level methods are always non-instance, so the 'static' keyword is not allowed here

+Verification completed successfully!
+[SUCCESS] [[DAFNY-SERVER: EOM]]
+transcript(5,0): Warning: module-level methods are always non-instance, so the 'static' keyword is not allowed here

+transcript(12,0): Error: invalid UpdateStmt

+Verification completed successfully!
+[SUCCESS] [[DAFNY-SERVER: EOM]]
+transcript(5,0): Warning: module-level methods are always non-instance, so the 'static' keyword is not allowed here

+Verification completed successfully!
+[SUCCESS] [[DAFNY-SERVER: EOM]]
+transcript(5,0): Warning: module-level methods are always non-instance, so the 'static' keyword is not allowed here

+Verification completed successfully!
+[SUCCESS] [[DAFNY-SERVER: EOM]]
+transcript(5,0): Warning: module-level methods are always non-instance, so the 'static' keyword is not allowed here

+transcript(15,0): Warning: module-level methods are always non-instance, so the 'static' keyword is not allowed here

+transcript(15,14): Error: Duplicate member name: M'

+Verification completed successfully!
+[SUCCESS] [[DAFNY-SERVER: EOM]]
+transcript(5,0): Warning: module-level methods are always non-instance, so the 'static' keyword is not allowed here

+transcript(15,0): Warning: module-level methods are always non-instance, so the 'static' keyword is not allowed here

+transcript(15,14): Error: Duplicate member name: M'

+Verification completed successfully!
+[SUCCESS] [[DAFNY-SERVER: EOM]]
+transcript(5,0): Warning: module-level methods are always non-instance, so the 'static' keyword is not allowed here

+transcript(15,0): Warning: module-level methods are always non-instance, so the 'static' keyword is not allowed here

+transcript(15,14): Error: Duplicate member name: M'

+Verification completed successfully!
+[SUCCESS] [[DAFNY-SERVER: EOM]]
+transcript(5,0): Warning: module-level methods are always non-instance, so the 'static' keyword is not allowed here

+transcript(15,0): Warning: module-level methods are always non-instance, so the 'static' keyword is not allowed here

+transcript(24,0): Warning: module-level methods are always non-instance, so the 'static' keyword is not allowed here

+transcript(15,14): Error: Duplicate member name: M'

+transcript(24,14): Error: Duplicate member name: M'

+Verification completed successfully!
+[SUCCESS] [[DAFNY-SERVER: EOM]]
+transcript(5,0): Warning: module-level methods are always non-instance, so the 'static' keyword is not allowed here

+transcript(15,0): Warning: module-level methods are always non-instance, so the 'static' keyword is not allowed here

+transcript(24,0): Warning: module-level methods are always non-instance, so the 'static' keyword is not allowed here

+transcript(15,14): Error: Duplicate member name: M'

+transcript(24,14): Error: Duplicate member name: M'

+Verification completed successfully!
+[SUCCESS] [[DAFNY-SERVER: EOM]]
+transcript(5,0): Warning: module-level methods are always non-instance, so the 'static' keyword is not allowed here

+transcript(15,0): Warning: module-level methods are always non-instance, so the 'static' keyword is not allowed here

+transcript(24,0): Warning: module-level methods are always non-instance, so the 'static' keyword is not allowed here

+transcript(15,14): Error: Duplicate member name: M'

+transcript(24,14): Error: Duplicate member name: M'

+Verification completed successfully!
+[SUCCESS] [[DAFNY-SERVER: EOM]]
+transcript(5,0): Warning: module-level methods are always non-instance, so the 'static' keyword is not allowed here

+transcript(15,0): Warning: module-level methods are always non-instance, so the 'static' keyword is not allowed here

+transcript(24,0): Warning: module-level methods are always non-instance, so the 'static' keyword is not allowed here

+transcript(33,0): Warning: module-level methods are always non-instance, so the 'static' keyword is not allowed here

+transcript(15,14): Error: Duplicate member name: M'

+transcript(24,14): Error: Duplicate member name: M'

+transcript(33,14): Error: Duplicate member name: M'

+Verification completed successfully!
+[SUCCESS] [[DAFNY-SERVER: EOM]]
+transcript(5,0): Warning: module-level methods are always non-instance, so the 'static' keyword is not allowed here

+transcript(15,0): Warning: module-level methods are always non-instance, so the 'static' keyword is not allowed here

+transcript(24,0): Warning: module-level methods are always non-instance, so the 'static' keyword is not allowed here

+transcript(33,0): Warning: module-level methods are always non-instance, so the 'static' keyword is not allowed here

+transcript(24,14): Error: Duplicate member name: M

+transcript(33,14): Error: Duplicate member name: M

+Verification completed successfully!
+[SUCCESS] [[DAFNY-SERVER: EOM]]
+transcript(5,0): Warning: module-level methods are always non-instance, so the 'static' keyword is not allowed here

+transcript(15,0): Warning: module-level methods are always non-instance, so the 'static' keyword is not allowed here

+transcript(24,0): Warning: module-level methods are always non-instance, so the 'static' keyword is not allowed here

+transcript(33,0): Warning: module-level methods are always non-instance, so the 'static' keyword is not allowed here

+Verification completed successfully!
+[SUCCESS] [[DAFNY-SERVER: EOM]]
+transcript(5,0): Warning: module-level methods are always non-instance, so the 'static' keyword is not allowed here

+transcript(15,0): Warning: module-level methods are always non-instance, so the 'static' keyword is not allowed here

+transcript(24,0): Warning: module-level methods are always non-instance, so the 'static' keyword is not allowed here

+transcript(33,0): Warning: module-level methods are always non-instance, so the 'static' keyword is not allowed here

+Verification completed successfully!
+[SUCCESS] [[DAFNY-SERVER: EOM]]
+transcript(5,0): Warning: module-level methods are always non-instance, so the 'static' keyword is not allowed here

+transcript(15,0): Warning: module-level methods are always non-instance, so the 'static' keyword is not allowed here

+transcript(24,0): Warning: module-level methods are always non-instance, so the 'static' keyword is not allowed here

+transcript(33,0): Warning: module-level methods are always non-instance, so the 'static' keyword is not allowed here

+transcript(38,9): Error: assertion violation

+Execution trace:

+    (0,0): anon0

+Verification completed successfully!
+[SUCCESS] [[DAFNY-SERVER: EOM]]
+transcript(5,0): Warning: module-level methods are always non-instance, so the 'static' keyword is not allowed here

+transcript(15,0): Warning: module-level methods are always non-instance, so the 'static' keyword is not allowed here

+transcript(24,0): Warning: module-level methods are always non-instance, so the 'static' keyword is not allowed here

+transcript(33,0): Warning: module-level methods are always non-instance, so the 'static' keyword is not allowed here

+transcript(38,38): Error: semi expected

+Verification completed successfully!
+[SUCCESS] [[DAFNY-SERVER: EOM]]
+transcript(5,0): Warning: module-level methods are always non-instance, so the 'static' keyword is not allowed here

+transcript(15,0): Warning: module-level methods are always non-instance, so the 'static' keyword is not allowed here

+transcript(24,0): Warning: module-level methods are always non-instance, so the 'static' keyword is not allowed here

+transcript(33,0): Warning: module-level methods are always non-instance, so the 'static' keyword is not allowed here

+transcript(38,9): Error: assertion violation

+Execution trace:

+    (0,0): anon0

+Verification completed successfully!
+[SUCCESS] [[DAFNY-SERVER: EOM]]
+transcript(5,0): Warning: module-level methods are always non-instance, so the 'static' keyword is not allowed here

+transcript(15,0): Warning: module-level methods are always non-instance, so the 'static' keyword is not allowed here

+transcript(24,0): Warning: module-level methods are always non-instance, so the 'static' keyword is not allowed here

+transcript(33,0): Warning: module-level methods are always non-instance, so the 'static' keyword is not allowed here

+Verification completed successfully!
+[SUCCESS] [[DAFNY-SERVER: EOM]]
+transcript(5,0): Warning: module-level methods are always non-instance, so the 'static' keyword is not allowed here

+transcript(15,0): Warning: module-level methods are always non-instance, so the 'static' keyword is not allowed here

+transcript(24,0): Warning: module-level methods are always non-instance, so the 'static' keyword is not allowed here

+transcript(33,0): Warning: module-level methods are always non-instance, so the 'static' keyword is not allowed here

+Verification completed successfully!
+[SUCCESS] [[DAFNY-SERVER: EOM]]
+transcript(5,0): Warning: module-level methods are always non-instance, so the 'static' keyword is not allowed here

+transcript(15,0): Warning: module-level methods are always non-instance, so the 'static' keyword is not allowed here

+transcript(24,0): Warning: module-level methods are always non-instance, so the 'static' keyword is not allowed here

+transcript(33,0): Warning: module-level methods are always non-instance, so the 'static' keyword is not allowed here

+transcript(40,2): Error: invalid UpdateStmt

+Verification completed successfully!
+[SUCCESS] [[DAFNY-SERVER: EOM]]
+transcript(5,0): Warning: module-level methods are always non-instance, so the 'static' keyword is not allowed here

+transcript(15,0): Warning: module-level methods are always non-instance, so the 'static' keyword is not allowed here

+transcript(24,0): Warning: module-level methods are always non-instance, so the 'static' keyword is not allowed here

+transcript(33,0): Warning: module-level methods are always non-instance, so the 'static' keyword is not allowed here

+transcript(40,2): Error: invalid UpdateStmt

+Verification completed successfully!
+[SUCCESS] [[DAFNY-SERVER: EOM]]
+transcript(5,0): Warning: module-level methods are always non-instance, so the 'static' keyword is not allowed here

+transcript(15,0): Warning: module-level methods are always non-instance, so the 'static' keyword is not allowed here

+transcript(24,0): Warning: module-level methods are always non-instance, so the 'static' keyword is not allowed here

+transcript(33,0): Warning: module-level methods are always non-instance, so the 'static' keyword is not allowed here

+transcript(40,2): Error: invalid UpdateStmt

+Verification completed successfully!
+[SUCCESS] [[DAFNY-SERVER: EOM]]
+transcript(5,0): Warning: module-level methods are always non-instance, so the 'static' keyword is not allowed here

+transcript(15,0): Warning: module-level methods are always non-instance, so the 'static' keyword is not allowed here

+transcript(24,0): Warning: module-level methods are always non-instance, so the 'static' keyword is not allowed here

+transcript(33,0): Warning: module-level methods are always non-instance, so the 'static' keyword is not allowed here

+Verification completed successfully!
+[SUCCESS] [[DAFNY-SERVER: EOM]]
+transcript(5,0): Warning: module-level methods are always non-instance, so the 'static' keyword is not allowed here

+transcript(15,0): Warning: module-level methods are always non-instance, so the 'static' keyword is not allowed here

+transcript(24,0): Warning: module-level methods are always non-instance, so the 'static' keyword is not allowed here

+transcript(33,0): Warning: module-level methods are always non-instance, so the 'static' keyword is not allowed here

+transcript(40,9): Error: invalid AssertStmt

+Verification completed successfully!
+[SUCCESS] [[DAFNY-SERVER: EOM]]
+transcript(5,0): Warning: module-level methods are always non-instance, so the 'static' keyword is not allowed here

+transcript(15,0): Warning: module-level methods are always non-instance, so the 'static' keyword is not allowed here

+transcript(24,0): Warning: module-level methods are always non-instance, so the 'static' keyword is not allowed here

+transcript(33,0): Warning: module-level methods are always non-instance, so the 'static' keyword is not allowed here

+transcript(40,9): Error: invalid AssertStmt

+Verification completed successfully!
+[SUCCESS] [[DAFNY-SERVER: EOM]]
+transcript(5,0): Warning: module-level methods are always non-instance, so the 'static' keyword is not allowed here

+transcript(15,0): Warning: module-level methods are always non-instance, so the 'static' keyword is not allowed here

+transcript(24,0): Warning: module-level methods are always non-instance, so the 'static' keyword is not allowed here

+transcript(33,0): Warning: module-level methods are always non-instance, so the 'static' keyword is not allowed here

+transcript(40,9): Error: unresolved identifier: fal

+Verification completed successfully!
+[SUCCESS] [[DAFNY-SERVER: EOM]]
+transcript(5,0): Warning: module-level methods are always non-instance, so the 'static' keyword is not allowed here

+transcript(15,0): Warning: module-level methods are always non-instance, so the 'static' keyword is not allowed here

+transcript(24,0): Warning: module-level methods are always non-instance, so the 'static' keyword is not allowed here

+transcript(33,0): Warning: module-level methods are always non-instance, so the 'static' keyword is not allowed here

+Verification completed successfully!
+[SUCCESS] [[DAFNY-SERVER: EOM]]
+transcript(5,0): Warning: module-level methods are always non-instance, so the 'static' keyword is not allowed here

+transcript(15,0): Warning: module-level methods are always non-instance, so the 'static' keyword is not allowed here

+transcript(24,0): Warning: module-level methods are always non-instance, so the 'static' keyword is not allowed here

+transcript(33,0): Warning: module-level methods are always non-instance, so the 'static' keyword is not allowed here

+Verification completed successfully!
+[SUCCESS] [[DAFNY-SERVER: EOM]]
+Verification completed successfully!
+[SUCCESS] [[DAFNY-SERVER: EOM]]