/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/BuchiAutomizerCInline.xml -s ../../../trunk/examples/settings/buchiAutomizer/concurrent-automaton-semanticLbe.epf -i ../../../trunk/examples/svcomp/pthread-divine/barrier_2t.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-0d686a6 [2022-07-26 13:46:07,743 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-26 13:46:07,745 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-26 13:46:07,790 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-26 13:46:07,791 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-26 13:46:07,792 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-26 13:46:07,796 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-26 13:46:07,798 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-26 13:46:07,799 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-26 13:46:07,804 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-26 13:46:07,805 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-26 13:46:07,806 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-26 13:46:07,807 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-26 13:46:07,809 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-26 13:46:07,809 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-26 13:46:07,812 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-26 13:46:07,813 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-26 13:46:07,814 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-26 13:46:07,816 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-26 13:46:07,821 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-26 13:46:07,823 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-26 13:46:07,824 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-26 13:46:07,825 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-26 13:46:07,825 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-26 13:46:07,827 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-26 13:46:07,833 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-26 13:46:07,833 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-26 13:46:07,833 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-26 13:46:07,834 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-26 13:46:07,835 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-26 13:46:07,836 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-26 13:46:07,836 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-26 13:46:07,837 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-26 13:46:07,838 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-26 13:46:07,838 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-26 13:46:07,839 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-26 13:46:07,839 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-26 13:46:07,840 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-26 13:46:07,840 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-26 13:46:07,840 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-26 13:46:07,841 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-26 13:46:07,842 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-26 13:46:07,843 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/buchiAutomizer/concurrent-automaton-semanticLbe.epf [2022-07-26 13:46:07,871 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-26 13:46:07,872 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-26 13:46:07,872 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-26 13:46:07,872 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-26 13:46:07,873 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-26 13:46:07,873 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-26 13:46:07,874 INFO L138 SettingsManager]: * Use SBE=true [2022-07-26 13:46:07,874 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-26 13:46:07,874 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-26 13:46:07,875 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-26 13:46:07,875 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-26 13:46:07,875 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-26 13:46:07,875 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-26 13:46:07,875 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-26 13:46:07,875 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-26 13:46:07,875 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-26 13:46:07,875 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-26 13:46:07,876 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-26 13:46:07,876 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-26 13:46:07,876 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-26 13:46:07,876 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-26 13:46:07,876 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-26 13:46:07,876 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-26 13:46:07,876 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-26 13:46:07,876 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-26 13:46:07,877 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-26 13:46:07,877 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-26 13:46:07,877 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-26 13:46:07,877 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-26 13:46:07,877 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-26 13:46:07,877 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-26 13:46:07,878 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-26 13:46:07,878 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-07-26 13:46:08,090 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-26 13:46:08,109 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-26 13:46:08,114 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-26 13:46:08,115 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-26 13:46:08,115 INFO L275 PluginConnector]: CDTParser initialized [2022-07-26 13:46:08,117 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-divine/barrier_2t.i [2022-07-26 13:46:08,177 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/22d73418b/0221aac330964b58afab3ee5bd6dcd10/FLAGa56727e93 [2022-07-26 13:46:08,606 INFO L306 CDTParser]: Found 1 translation units. [2022-07-26 13:46:08,606 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/barrier_2t.i [2022-07-26 13:46:08,619 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/22d73418b/0221aac330964b58afab3ee5bd6dcd10/FLAGa56727e93 [2022-07-26 13:46:08,952 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/22d73418b/0221aac330964b58afab3ee5bd6dcd10 [2022-07-26 13:46:08,954 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-26 13:46:08,955 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-07-26 13:46:08,956 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-26 13:46:08,957 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-26 13:46:08,961 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-26 13:46:08,962 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.07 01:46:08" (1/1) ... [2022-07-26 13:46:08,963 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71bd79db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:46:08, skipping insertion in model container [2022-07-26 13:46:08,963 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.07 01:46:08" (1/1) ... [2022-07-26 13:46:08,969 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-26 13:46:09,015 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-26 13:46:09,148 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-07-26 13:46:09,266 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/barrier_2t.i[30484,30497] [2022-07-26 13:46:09,287 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/barrier_2t.i[31858,31871] [2022-07-26 13:46:09,287 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/barrier_2t.i[31909,31922] [2022-07-26 13:46:09,289 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/barrier_2t.i[32058,32071] [2022-07-26 13:46:09,290 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/barrier_2t.i[32135,32148] [2022-07-26 13:46:09,290 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/barrier_2t.i[32182,32195] [2022-07-26 13:46:09,292 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/barrier_2t.i[32291,32304] [2022-07-26 13:46:09,293 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/barrier_2t.i[32410,32423] [2022-07-26 13:46:09,293 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/barrier_2t.i[32458,32471] [2022-07-26 13:46:09,294 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/barrier_2t.i[32535,32548] [2022-07-26 13:46:09,295 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/barrier_2t.i[32661,32674] [2022-07-26 13:46:09,304 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/barrier_2t.i[33244,33257] [2022-07-26 13:46:09,305 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/barrier_2t.i[33321,33334] [2022-07-26 13:46:09,306 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-26 13:46:09,315 INFO L203 MainTranslator]: Completed pre-run [2022-07-26 13:46:09,327 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-07-26 13:46:09,356 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/barrier_2t.i[30484,30497] [2022-07-26 13:46:09,362 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/barrier_2t.i[31858,31871] [2022-07-26 13:46:09,376 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/barrier_2t.i[31909,31922] [2022-07-26 13:46:09,378 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/barrier_2t.i[32058,32071] [2022-07-26 13:46:09,379 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/barrier_2t.i[32135,32148] [2022-07-26 13:46:09,379 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/barrier_2t.i[32182,32195] [2022-07-26 13:46:09,380 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/barrier_2t.i[32291,32304] [2022-07-26 13:46:09,381 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/barrier_2t.i[32410,32423] [2022-07-26 13:46:09,382 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/barrier_2t.i[32458,32471] [2022-07-26 13:46:09,383 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/barrier_2t.i[32535,32548] [2022-07-26 13:46:09,384 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/barrier_2t.i[32661,32674] [2022-07-26 13:46:09,389 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/barrier_2t.i[33244,33257] [2022-07-26 13:46:09,390 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/barrier_2t.i[33321,33334] [2022-07-26 13:46:09,391 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-26 13:46:09,434 INFO L208 MainTranslator]: Completed translation [2022-07-26 13:46:09,436 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:46:09 WrapperNode [2022-07-26 13:46:09,437 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-26 13:46:09,438 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-26 13:46:09,439 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-26 13:46:09,439 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-26 13:46:09,445 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:46:09" (1/1) ... [2022-07-26 13:46:09,467 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:46:09" (1/1) ... [2022-07-26 13:46:09,506 INFO L137 Inliner]: procedures = 174, calls = 78, calls flagged for inlining = 6, calls inlined = 8, statements flattened = 521 [2022-07-26 13:46:09,507 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-26 13:46:09,508 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-26 13:46:09,508 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-26 13:46:09,508 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-26 13:46:09,515 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:46:09" (1/1) ... [2022-07-26 13:46:09,516 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:46:09" (1/1) ... [2022-07-26 13:46:09,521 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:46:09" (1/1) ... [2022-07-26 13:46:09,522 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:46:09" (1/1) ... [2022-07-26 13:46:09,544 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:46:09" (1/1) ... [2022-07-26 13:46:09,551 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:46:09" (1/1) ... [2022-07-26 13:46:09,554 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:46:09" (1/1) ... [2022-07-26 13:46:09,558 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-26 13:46:09,559 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-26 13:46:09,559 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-26 13:46:09,560 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-26 13:46:09,560 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:46:09" (1/1) ... [2022-07-26 13:46:09,574 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:46:09,581 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:46:09,591 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 13:46:09,602 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-07-26 13:46:09,631 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-26 13:46:09,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-26 13:46:09,632 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-07-26 13:46:09,632 INFO L130 BoogieDeclarations]: Found specification of procedure worker_fn [2022-07-26 13:46:09,632 INFO L138 BoogieDeclarations]: Found implementation of procedure worker_fn [2022-07-26 13:46:09,632 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-26 13:46:09,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-26 13:46:09,633 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-26 13:46:09,633 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-26 13:46:09,633 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-26 13:46:09,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-26 13:46:09,633 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-26 13:46:09,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-26 13:46:09,635 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-07-26 13:46:09,774 INFO L234 CfgBuilder]: Building ICFG [2022-07-26 13:46:09,775 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-26 13:46:10,450 INFO L275 CfgBuilder]: Performing block encoding [2022-07-26 13:46:10,462 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-26 13:46:10,462 INFO L299 CfgBuilder]: Removed 20 assume(true) statements. [2022-07-26 13:46:10,469 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.07 01:46:10 BoogieIcfgContainer [2022-07-26 13:46:10,469 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-26 13:46:10,471 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-26 13:46:10,471 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-26 13:46:10,474 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-26 13:46:10,475 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-26 13:46:10,475 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 26.07 01:46:08" (1/3) ... [2022-07-26 13:46:10,476 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@122efc14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.07 01:46:10, skipping insertion in model container [2022-07-26 13:46:10,476 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-26 13:46:10,476 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:46:09" (2/3) ... [2022-07-26 13:46:10,476 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@122efc14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.07 01:46:10, skipping insertion in model container [2022-07-26 13:46:10,477 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-26 13:46:10,477 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.07 01:46:10" (3/3) ... [2022-07-26 13:46:10,479 INFO L322 chiAutomizerObserver]: Analyzing ICFG barrier_2t.i [2022-07-26 13:46:10,654 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-07-26 13:46:10,701 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 491 places, 559 transitions, 1126 flow [2022-07-26 13:46:10,932 INFO L129 PetriNetUnfolder]: 107/824 cut-off events. [2022-07-26 13:46:10,932 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-07-26 13:46:10,957 INFO L84 FinitePrefix]: Finished finitePrefix Result has 830 conditions, 824 events. 107/824 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 2815 event pairs, 0 based on Foata normal form. 0/715 useless extension candidates. Maximal degree in co-relation 490. Up to 4 conditions per place. [2022-07-26 13:46:10,958 INFO L82 GeneralOperation]: Start removeDead. Operand has 491 places, 559 transitions, 1126 flow [2022-07-26 13:46:11,005 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 491 places, 559 transitions, 1126 flow [2022-07-26 13:46:11,009 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-07-26 13:46:11,025 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 491 places, 559 transitions, 1126 flow [2022-07-26 13:46:11,027 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 491 places, 559 transitions, 1126 flow [2022-07-26 13:46:11,028 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 491 places, 559 transitions, 1126 flow [2022-07-26 13:46:11,189 INFO L129 PetriNetUnfolder]: 107/824 cut-off events. [2022-07-26 13:46:11,189 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-07-26 13:46:11,206 INFO L84 FinitePrefix]: Finished finitePrefix Result has 830 conditions, 824 events. 107/824 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 2794 event pairs, 0 based on Foata normal form. 0/715 useless extension candidates. Maximal degree in co-relation 490. Up to 4 conditions per place. [2022-07-26 13:46:11,259 INFO L116 LiptonReduction]: Number of co-enabled transitions 119680 [2022-07-26 13:46:24,924 WARN L230 Executor]: External (MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1) with exit command (exit)) stderr output: (error "out of memory") [2022-07-26 13:46:24,924 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 101 [2022-07-26 13:46:24,930 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:243) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:262) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:155) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.checkSat(ManagedScript.java:139) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.checkImplication(TransFormulaUtils.java:1176) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.SemanticIndependenceRelation.performInclusionCheck(SemanticIndependenceRelation.java:197) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.SemanticIndependenceRelation.containsLBool(SemanticIndependenceRelation.java:145) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.SemanticIndependenceRelation.contains(SemanticIndependenceRelation.java:123) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.SemanticIndependenceRelation.contains(SemanticIndependenceRelation.java:1) at de.uni_freiburg.informatik.ultimate.automata.partialorder.UnionIndependenceRelation.lambda$2(UnionIndependenceRelation.java:70) at java.base/java.util.stream.MatchOps$1MatchSink.accept(MatchOps.java:90) at java.base/java.util.Spliterators$ArraySpliterator.tryAdvance(Spliterators.java:958) at java.base/java.util.stream.ReferencePipeline.forEachWithCancel(ReferencePipeline.java:127) at java.base/java.util.stream.AbstractPipeline.copyIntoWithCancel(AbstractPipeline.java:502) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:488) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.MatchOps$MatchOp.evaluateSequential(MatchOps.java:230) at java.base/java.util.stream.MatchOps$MatchOp.evaluateSequential(MatchOps.java:196) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.anyMatch(ReferencePipeline.java:528) at de.uni_freiburg.informatik.ultimate.automata.partialorder.UnionIndependenceRelation.contains(UnionIndependenceRelation.java:70) at de.uni_freiburg.informatik.ultimate.automata.partialorder.CachedIndependenceRelation.contains(CachedIndependenceRelation.java:120) at de.uni_freiburg.informatik.ultimate.automata.partialorder.LiptonReduction.lambda$1(LiptonReduction.java:465) at java.base/java.util.stream.MatchOps$1MatchSink.accept(MatchOps.java:90) at java.base/java.util.HashMap$KeySpliterator.tryAdvance(HashMap.java:1624) at java.base/java.util.stream.ReferencePipeline.forEachWithCancel(ReferencePipeline.java:127) at java.base/java.util.stream.AbstractPipeline.copyIntoWithCancel(AbstractPipeline.java:502) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:488) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.MatchOps$MatchOp.evaluateSequential(MatchOps.java:230) at java.base/java.util.stream.MatchOps$MatchOp.evaluateSequential(MatchOps.java:196) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.allMatch(ReferencePipeline.java:533) at de.uni_freiburg.informatik.ultimate.automata.partialorder.LiptonReduction.isRightMover(LiptonReduction.java:465) at de.uni_freiburg.informatik.ultimate.automata.partialorder.LiptonReduction.sequenceRuleCheck(LiptonReduction.java:408) at de.uni_freiburg.informatik.ultimate.automata.partialorder.LiptonReduction.sequenceRule(LiptonReduction.java:310) at de.uni_freiburg.informatik.ultimate.automata.partialorder.LiptonReduction.(LiptonReduction.java:126) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.petrinetlbe.PetriNetLargeBlockEncoding.(PetriNetLargeBlockEncoding.java:133) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.initialabstraction.PetriLbeInitialAbstractionProvider.getInitialAbstraction(PetriLbeInitialAbstractionProvider.java:93) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.initialabstraction.PetriLbeInitialAbstractionProvider.getInitialAbstraction(PetriLbeInitialAbstractionProvider.java:1) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.initialabstraction.Petri2FiniteAutomatonAbstractionProvider$Lazy.getInitialAbstraction(Petri2FiniteAutomatonAbstractionProvider.java:196) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.initialabstraction.Petri2FiniteAutomatonAbstractionProvider$Lazy.getInitialAbstraction(Petri2FiniteAutomatonAbstractionProvider.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.cegar.BuchiCegarLoopFactory.constructInitialAbstraction(BuchiCegarLoopFactory.java:187) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.cegar.BuchiCegarLoopFactory.createBuchiAutomatonCegarLoop(BuchiCegarLoopFactory.java:153) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.cegar.BuchiCegarLoopFactory.constructCegarLoop(BuchiCegarLoopFactory.java:121) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.runCegarLoops(BuchiAutomizerObserver.java:142) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.doTerminationAnalysis(BuchiAutomizerObserver.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.finish(BuchiAutomizerObserver.java:331) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1465) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:658) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:239) ... 59 more [2022-07-26 13:46:24,933 INFO L158 Benchmark]: Toolchain (without parser) took 15977.19ms. Allocated memory was 179.3MB in the beginning and 403.7MB in the end (delta: 224.4MB). Free memory was 149.3MB in the beginning and 190.2MB in the end (delta: -40.9MB). Peak memory consumption was 184.1MB. Max. memory is 8.0GB. [2022-07-26 13:46:24,934 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 179.3MB. Free memory is still 135.8MB. There was no memory consumed. Max. memory is 8.0GB. [2022-07-26 13:46:24,934 INFO L158 Benchmark]: CACSL2BoogieTranslator took 480.90ms. Allocated memory was 179.3MB in the beginning and 286.3MB in the end (delta: 107.0MB). Free memory was 149.1MB in the beginning and 243.0MB in the end (delta: -93.9MB). Peak memory consumption was 17.9MB. Max. memory is 8.0GB. [2022-07-26 13:46:24,935 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.55ms. Allocated memory is still 286.3MB. Free memory was 243.0MB in the beginning and 239.3MB in the end (delta: 3.7MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-07-26 13:46:24,935 INFO L158 Benchmark]: Boogie Preprocessor took 50.98ms. Allocated memory is still 286.3MB. Free memory was 239.3MB in the beginning and 235.7MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2022-07-26 13:46:24,936 INFO L158 Benchmark]: RCFGBuilder took 909.97ms. Allocated memory is still 286.3MB. Free memory was 235.7MB in the beginning and 192.7MB in the end (delta: 43.0MB). Peak memory consumption was 43.0MB. Max. memory is 8.0GB. [2022-07-26 13:46:24,936 INFO L158 Benchmark]: BuchiAutomizer took 14461.36ms. Allocated memory was 286.3MB in the beginning and 403.7MB in the end (delta: 117.4MB). Free memory was 192.7MB in the beginning and 190.2MB in the end (delta: 2.5MB). Peak memory consumption was 121.1MB. Max. memory is 8.0GB. [2022-07-26 13:46:24,938 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 179.3MB. Free memory is still 135.8MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 480.90ms. Allocated memory was 179.3MB in the beginning and 286.3MB in the end (delta: 107.0MB). Free memory was 149.1MB in the beginning and 243.0MB in the end (delta: -93.9MB). Peak memory consumption was 17.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 68.55ms. Allocated memory is still 286.3MB. Free memory was 243.0MB in the beginning and 239.3MB in the end (delta: 3.7MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 50.98ms. Allocated memory is still 286.3MB. Free memory was 239.3MB in the beginning and 235.7MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 909.97ms. Allocated memory is still 286.3MB. Free memory was 235.7MB in the beginning and 192.7MB in the end (delta: 43.0MB). Peak memory consumption was 43.0MB. Max. memory is 8.0GB. * BuchiAutomizer took 14461.36ms. Allocated memory was 286.3MB in the beginning and 403.7MB in the end (delta: 117.4MB). Free memory was 192.7MB in the beginning and 190.2MB in the end (delta: 2.5MB). Peak memory consumption was 121.1MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - ExceptionOrErrorResult: SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:243) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...