/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-syntacticLbe.epf -i ../../../trunk/examples/svcomp/weaver/parallel-barrier.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-21b0908 [2022-07-22 12:44:27,997 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-22 12:44:28,000 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-22 12:44:28,037 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-22 12:44:28,038 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-22 12:44:28,040 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-22 12:44:28,041 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-22 12:44:28,044 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-22 12:44:28,046 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-22 12:44:28,054 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-22 12:44:28,057 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-22 12:44:28,059 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-22 12:44:28,059 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-22 12:44:28,060 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-22 12:44:28,062 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-22 12:44:28,063 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-22 12:44:28,064 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-22 12:44:28,065 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-22 12:44:28,067 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-22 12:44:28,069 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-22 12:44:28,071 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-22 12:44:28,072 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-22 12:44:28,074 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-22 12:44:28,075 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-22 12:44:28,076 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-22 12:44:28,080 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-22 12:44:28,080 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-22 12:44:28,081 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-22 12:44:28,082 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-22 12:44:28,082 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-22 12:44:28,083 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-22 12:44:28,084 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-22 12:44:28,084 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-22 12:44:28,085 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-22 12:44:28,086 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-22 12:44:28,088 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-22 12:44:28,088 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-22 12:44:28,089 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-22 12:44:28,089 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-22 12:44:28,089 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-22 12:44:28,090 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-22 12:44:28,091 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-22 12:44:28,092 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/buchiAutomizer/concurrent-automaton-syntacticLbe.epf [2022-07-22 12:44:28,128 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-22 12:44:28,128 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-22 12:44:28,128 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-22 12:44:28,129 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-22 12:44:28,130 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-22 12:44:28,130 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-22 12:44:28,130 INFO L138 SettingsManager]: * Use SBE=true [2022-07-22 12:44:28,131 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-22 12:44:28,131 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-22 12:44:28,131 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-22 12:44:28,132 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-22 12:44:28,132 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-22 12:44:28,132 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-22 12:44:28,132 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-22 12:44:28,133 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-22 12:44:28,133 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-22 12:44:28,133 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-22 12:44:28,133 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-22 12:44:28,134 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-22 12:44:28,134 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-22 12:44:28,134 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-22 12:44:28,134 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-22 12:44:28,134 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-22 12:44:28,135 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-22 12:44:28,135 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-22 12:44:28,135 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-22 12:44:28,135 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-22 12:44:28,135 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-22 12:44:28,136 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-22 12:44:28,136 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-22 12:44:28,136 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-22 12:44:28,136 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-07-22 12:44:28,137 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-22 12:44:28,138 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-07-22 12:44:28,519 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-22 12:44:28,546 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-22 12:44:28,549 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-22 12:44:28,550 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-22 12:44:28,551 INFO L275 PluginConnector]: CDTParser initialized [2022-07-22 12:44:28,553 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/parallel-barrier.wvr.c [2022-07-22 12:44:28,641 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/077e62612/8d9221a8da3d4ed491d3b62ac6e66dce/FLAG397aad158 [2022-07-22 12:44:29,260 INFO L306 CDTParser]: Found 1 translation units. [2022-07-22 12:44:29,264 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-barrier.wvr.c [2022-07-22 12:44:29,280 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/077e62612/8d9221a8da3d4ed491d3b62ac6e66dce/FLAG397aad158 [2022-07-22 12:44:29,628 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/077e62612/8d9221a8da3d4ed491d3b62ac6e66dce [2022-07-22 12:44:29,634 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-22 12:44:29,640 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-07-22 12:44:29,644 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-22 12:44:29,644 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-22 12:44:29,648 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-22 12:44:29,649 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 12:44:29" (1/1) ... [2022-07-22 12:44:29,650 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8c4d067 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:44:29, skipping insertion in model container [2022-07-22 12:44:29,650 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 12:44:29" (1/1) ... [2022-07-22 12:44:29,659 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-22 12:44:29,684 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 12:44:29,897 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-barrier.wvr.c[4722,4735] [2022-07-22 12:44:29,899 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 12:44:29,910 INFO L203 MainTranslator]: Completed pre-run [2022-07-22 12:44:29,949 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-barrier.wvr.c[4722,4735] [2022-07-22 12:44:29,950 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 12:44:29,968 INFO L208 MainTranslator]: Completed translation [2022-07-22 12:44:29,969 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:44:29 WrapperNode [2022-07-22 12:44:29,969 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-22 12:44:29,970 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-22 12:44:29,970 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-22 12:44:29,971 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-22 12:44:29,979 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:44:29" (1/1) ... [2022-07-22 12:44:29,990 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:44:29" (1/1) ... [2022-07-22 12:44:30,036 INFO L137 Inliner]: procedures = 25, calls = 98, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 245 [2022-07-22 12:44:30,036 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-22 12:44:30,037 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-22 12:44:30,037 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-22 12:44:30,037 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-22 12:44:30,048 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:44:29" (1/1) ... [2022-07-22 12:44:30,048 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:44:29" (1/1) ... [2022-07-22 12:44:30,053 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:44:29" (1/1) ... [2022-07-22 12:44:30,053 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:44:29" (1/1) ... [2022-07-22 12:44:30,063 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:44:29" (1/1) ... [2022-07-22 12:44:30,069 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:44:29" (1/1) ... [2022-07-22 12:44:30,074 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:44:29" (1/1) ... [2022-07-22 12:44:30,081 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-22 12:44:30,085 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-22 12:44:30,085 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-22 12:44:30,085 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-22 12:44:30,086 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:44:29" (1/1) ... [2022-07-22 12:44:30,099 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:44:30,112 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:44:30,128 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) [2022-07-22 12:44:30,144 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 [2022-07-22 12:44:30,200 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-22 12:44:30,201 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-22 12:44:30,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-22 12:44:30,202 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-22 12:44:30,202 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-07-22 12:44:30,203 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-07-22 12:44:30,203 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-07-22 12:44:30,206 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-07-22 12:44:30,206 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-07-22 12:44:30,211 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-07-22 12:44:30,211 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-07-22 12:44:30,212 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-07-22 12:44:30,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-22 12:44:30,212 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2022-07-22 12:44:30,212 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2022-07-22 12:44:30,212 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2022-07-22 12:44:30,212 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2022-07-22 12:44:30,212 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-07-22 12:44:30,213 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-07-22 12:44:30,213 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-22 12:44:30,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-22 12:44:30,213 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-22 12:44:30,216 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-07-22 12:44:30,401 INFO L234 CfgBuilder]: Building ICFG [2022-07-22 12:44:30,404 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-22 12:44:30,877 INFO L275 CfgBuilder]: Performing block encoding [2022-07-22 12:44:31,004 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-22 12:44:31,005 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-22 12:44:31,008 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 12:44:31 BoogieIcfgContainer [2022-07-22 12:44:31,009 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-22 12:44:31,010 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-22 12:44:31,010 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-22 12:44:31,015 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-22 12:44:31,016 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 12:44:31,016 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.07 12:44:29" (1/3) ... [2022-07-22 12:44:31,017 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1ba2e1af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.07 12:44:31, skipping insertion in model container [2022-07-22 12:44:31,017 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 12:44:31,018 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:44:29" (2/3) ... [2022-07-22 12:44:31,018 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1ba2e1af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.07 12:44:31, skipping insertion in model container [2022-07-22 12:44:31,018 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 12:44:31,018 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 12:44:31" (3/3) ... [2022-07-22 12:44:31,020 INFO L322 chiAutomizerObserver]: Analyzing ICFG parallel-barrier.wvr.c [2022-07-22 12:44:31,190 INFO L144 ThreadInstanceAdder]: Constructed 18 joinOtherThreadTransitions. [2022-07-22 12:44:31,247 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 237 places, 232 transitions, 536 flow [2022-07-22 12:44:31,402 INFO L129 PetriNetUnfolder]: 8/198 cut-off events. [2022-07-22 12:44:31,402 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2022-07-22 12:44:31,411 INFO L84 FinitePrefix]: Finished finitePrefix Result has 227 conditions, 198 events. 8/198 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 238 event pairs, 0 based on Foata normal form. 0/190 useless extension candidates. Maximal degree in co-relation 169. Up to 3 conditions per place. [2022-07-22 12:44:31,412 INFO L82 GeneralOperation]: Start removeDead. Operand has 237 places, 232 transitions, 536 flow [2022-07-22 12:44:31,432 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 209 places, 198 transitions, 444 flow [2022-07-22 12:44:31,437 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-07-22 12:44:31,451 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 209 places, 198 transitions, 444 flow [2022-07-22 12:44:31,457 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 209 places, 198 transitions, 444 flow [2022-07-22 12:44:31,458 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 209 places, 198 transitions, 444 flow [2022-07-22 12:44:31,547 INFO L129 PetriNetUnfolder]: 8/198 cut-off events. [2022-07-22 12:44:31,547 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2022-07-22 12:44:31,552 INFO L84 FinitePrefix]: Finished finitePrefix Result has 227 conditions, 198 events. 8/198 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 238 event pairs, 0 based on Foata normal form. 0/190 useless extension candidates. Maximal degree in co-relation 169. Up to 3 conditions per place. [2022-07-22 12:44:31,560 INFO L116 LiptonReduction]: Number of co-enabled transitions 7736 [2022-07-22 12:44:35,716 INFO L131 LiptonReduction]: Checked pairs total: 56372 [2022-07-22 12:44:35,717 INFO L133 LiptonReduction]: Total number of compositions: 144 [2022-07-22 12:44:35,740 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2022-07-22 12:44:35,740 INFO L301 stractBuchiCegarLoop]: Hoare is false [2022-07-22 12:44:35,740 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-22 12:44:35,741 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-22 12:44:35,741 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-22 12:44:35,741 INFO L305 stractBuchiCegarLoop]: Difference is false [2022-07-22 12:44:35,741 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-22 12:44:35,741 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-22 12:44:35,743 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 0 states, but on-demand construction may add more states [2022-07-22 12:44:42,212 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-07-22 12:44:42,213 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-07-22 12:44:42,219 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.07 12:44:42 BoogieIcfgContainer [2022-07-22 12:44:42,219 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-07-22 12:44:42,224 INFO L158 Benchmark]: Toolchain (without parser) took 12584.50ms. Allocated memory was 152.0MB in the beginning and 872.4MB in the end (delta: 720.4MB). Free memory was 127.4MB in the beginning and 473.2MB in the end (delta: -345.7MB). Peak memory consumption was 454.3MB. Max. memory is 8.0GB. [2022-07-22 12:44:42,225 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 152.0MB. Free memory is still 122.7MB. There was no memory consumed. Max. memory is 8.0GB. [2022-07-22 12:44:42,227 INFO L158 Benchmark]: CACSL2BoogieTranslator took 325.74ms. Allocated memory is still 152.0MB. Free memory was 127.2MB in the beginning and 115.6MB in the end (delta: 11.6MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2022-07-22 12:44:42,228 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.12ms. Allocated memory is still 152.0MB. Free memory was 115.6MB in the beginning and 113.2MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-07-22 12:44:42,230 INFO L158 Benchmark]: Boogie Preprocessor took 46.63ms. Allocated memory is still 152.0MB. Free memory was 113.2MB in the beginning and 111.7MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-07-22 12:44:42,231 INFO L158 Benchmark]: RCFGBuilder took 924.23ms. Allocated memory is still 152.0MB. Free memory was 111.7MB in the beginning and 127.2MB in the end (delta: -15.5MB). Peak memory consumption was 19.1MB. Max. memory is 8.0GB. [2022-07-22 12:44:42,233 INFO L158 Benchmark]: BuchiAutomizer took 11209.24ms. Allocated memory was 152.0MB in the beginning and 872.4MB in the end (delta: 720.4MB). Free memory was 127.2MB in the beginning and 473.2MB in the end (delta: -345.9MB). Peak memory consumption was 454.1MB. Max. memory is 8.0GB. [2022-07-22 12:44:42,250 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 152.0MB. Free memory is still 122.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 325.74ms. Allocated memory is still 152.0MB. Free memory was 127.2MB in the beginning and 115.6MB in the end (delta: 11.6MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 66.12ms. Allocated memory is still 152.0MB. Free memory was 115.6MB in the beginning and 113.2MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 46.63ms. Allocated memory is still 152.0MB. Free memory was 113.2MB in the beginning and 111.7MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 924.23ms. Allocated memory is still 152.0MB. Free memory was 111.7MB in the beginning and 127.2MB in the end (delta: -15.5MB). Peak memory consumption was 19.1MB. Max. memory is 8.0GB. * BuchiAutomizer took 11209.24ms. Allocated memory was 152.0MB in the beginning and 872.4MB in the end (delta: 720.4MB). Free memory was 127.2MB in the beginning and 473.2MB in the end (delta: -345.9MB). Peak memory consumption was 454.1MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Trivial decomposition. There is no loop in your program. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 10.9s and 0 iterations. TraceHistogramMax:0. Analysis of lassos took 0.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 4.5s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4.3s, 209 PlacesBefore, 91 PlacesAfterwards, 198 TransitionsBefore, 78 TransitionsAfterwards, 7736 CoEnabledTransitionPairs, 8 FixpointIterations, 80 TrivialSequentialCompositions, 45 ConcurrentSequentialCompositions, 10 TrivialYvCompositions, 7 ConcurrentYvCompositions, 2 ChoiceCompositions, 144 TotalNumberOfCompositions, 56372 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 24744, positive: 23868, positive conditional: 0, positive unconditional: 23868, negative: 876, negative conditional: 0, negative unconditional: 876, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 3904, positive: 3811, positive conditional: 0, positive unconditional: 3811, negative: 93, negative conditional: 0, negative unconditional: 93, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 24744, positive: 20057, positive conditional: 0, positive unconditional: 20057, negative: 783, negative conditional: 0, negative unconditional: 783, unknown: 3904, unknown conditional: 0, unknown unconditional: 3904] , Statistics on independence cache: Total cache size (in pairs): 1123, Positive cache size: 1074, Positive conditional cache size: 0, Positive unconditional cache size: 1074, Negative cache size: 49, Negative conditional cache size: 0, Negative unconditional cache size: 49 RESULT: Ultimate proved your program to be correct! [2022-07-22 12:44:42,315 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 0 Received shutdown request...