/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/weaver/parallel-ticket-8.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-0d686a6 [2022-07-26 13:52:29,177 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-26 13:52:29,178 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-26 13:52:29,245 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-26 13:52:29,245 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-26 13:52:29,246 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-26 13:52:29,249 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-26 13:52:29,253 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-26 13:52:29,254 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-26 13:52:29,258 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-26 13:52:29,259 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-26 13:52:29,260 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-26 13:52:29,260 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-26 13:52:29,262 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-26 13:52:29,262 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-26 13:52:29,265 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-26 13:52:29,266 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-26 13:52:29,266 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-26 13:52:29,268 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-26 13:52:29,269 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-26 13:52:29,270 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-26 13:52:29,271 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-26 13:52:29,271 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-26 13:52:29,272 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-26 13:52:29,273 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-26 13:52:29,278 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-26 13:52:29,278 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-26 13:52:29,278 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-26 13:52:29,279 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-26 13:52:29,279 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-26 13:52:29,280 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-26 13:52:29,280 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-26 13:52:29,281 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-26 13:52:29,282 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-26 13:52:29,282 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-26 13:52:29,283 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-26 13:52:29,283 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-26 13:52:29,283 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-26 13:52:29,283 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-26 13:52:29,283 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-26 13:52:29,284 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-26 13:52:29,285 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-26 13:52:29,286 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 13:52:29,312 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-26 13:52:29,313 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-26 13:52:29,313 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-26 13:52:29,313 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-26 13:52:29,314 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-26 13:52:29,314 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-26 13:52:29,314 INFO L138 SettingsManager]: * Use SBE=true [2022-07-26 13:52:29,314 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-26 13:52:29,314 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-26 13:52:29,314 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-26 13:52:29,315 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-26 13:52:29,315 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-26 13:52:29,315 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-26 13:52:29,315 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-26 13:52:29,316 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-26 13:52:29,316 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-26 13:52:29,316 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-26 13:52:29,316 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-26 13:52:29,316 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-26 13:52:29,316 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-26 13:52:29,316 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-26 13:52:29,316 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-26 13:52:29,316 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-26 13:52:29,317 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-26 13:52:29,317 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-26 13:52:29,317 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-26 13:52:29,317 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-26 13:52:29,317 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-26 13:52:29,317 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-26 13:52:29,317 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-26 13:52:29,317 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-26 13:52:29,318 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-26 13:52:29,318 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-07-26 13:52:29,504 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-26 13:52:29,519 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-26 13:52:29,521 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-26 13:52:29,521 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-26 13:52:29,522 INFO L275 PluginConnector]: CDTParser initialized [2022-07-26 13:52:29,523 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/parallel-ticket-8.wvr.c [2022-07-26 13:52:29,567 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0356ac89a/9712891b6033466890b28a1c5f5aac40/FLAGaf3fcd112 [2022-07-26 13:52:29,879 INFO L306 CDTParser]: Found 1 translation units. [2022-07-26 13:52:29,880 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-ticket-8.wvr.c [2022-07-26 13:52:29,887 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0356ac89a/9712891b6033466890b28a1c5f5aac40/FLAGaf3fcd112 [2022-07-26 13:52:30,296 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0356ac89a/9712891b6033466890b28a1c5f5aac40 [2022-07-26 13:52:30,297 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-26 13:52:30,298 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-07-26 13:52:30,300 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-26 13:52:30,300 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-26 13:52:30,302 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-26 13:52:30,302 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.07 01:52:30" (1/1) ... [2022-07-26 13:52:30,303 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1225b21c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:52:30, skipping insertion in model container [2022-07-26 13:52:30,303 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.07 01:52:30" (1/1) ... [2022-07-26 13:52:30,308 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-26 13:52:30,333 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-26 13:52:30,499 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-ticket-8.wvr.c[5274,5287] [2022-07-26 13:52:30,500 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-26 13:52:30,509 INFO L203 MainTranslator]: Completed pre-run [2022-07-26 13:52:30,547 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-ticket-8.wvr.c[5274,5287] [2022-07-26 13:52:30,548 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-26 13:52:30,558 INFO L208 MainTranslator]: Completed translation [2022-07-26 13:52:30,559 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:52:30 WrapperNode [2022-07-26 13:52:30,559 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-26 13:52:30,560 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-26 13:52:30,560 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-26 13:52:30,560 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-26 13:52:30,565 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:52:30" (1/1) ... [2022-07-26 13:52:30,580 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:52:30" (1/1) ... [2022-07-26 13:52:30,613 INFO L137 Inliner]: procedures = 27, calls = 130, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 347 [2022-07-26 13:52:30,613 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-26 13:52:30,614 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-26 13:52:30,614 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-26 13:52:30,614 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-26 13:52:30,623 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:52:30" (1/1) ... [2022-07-26 13:52:30,623 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:52:30" (1/1) ... [2022-07-26 13:52:30,633 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:52:30" (1/1) ... [2022-07-26 13:52:30,634 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:52:30" (1/1) ... [2022-07-26 13:52:30,638 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:52:30" (1/1) ... [2022-07-26 13:52:30,640 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:52:30" (1/1) ... [2022-07-26 13:52:30,642 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:52:30" (1/1) ... [2022-07-26 13:52:30,644 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-26 13:52:30,644 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-26 13:52:30,644 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-26 13:52:30,644 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-26 13:52:30,656 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:52:30" (1/1) ... [2022-07-26 13:52:30,660 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:52:30,669 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:52:30,689 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 13:52:30,707 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 13:52:30,722 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-26 13:52:30,722 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-26 13:52:30,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-26 13:52:30,723 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-26 13:52:30,723 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-07-26 13:52:30,723 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-07-26 13:52:30,723 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-07-26 13:52:30,723 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-07-26 13:52:30,724 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-07-26 13:52:30,724 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-07-26 13:52:30,724 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-07-26 13:52:30,724 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-07-26 13:52:30,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-26 13:52:30,724 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2022-07-26 13:52:30,725 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2022-07-26 13:52:30,725 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2022-07-26 13:52:30,725 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2022-07-26 13:52:30,725 INFO L130 BoogieDeclarations]: Found specification of procedure thread7 [2022-07-26 13:52:30,725 INFO L138 BoogieDeclarations]: Found implementation of procedure thread7 [2022-07-26 13:52:30,725 INFO L130 BoogieDeclarations]: Found specification of procedure thread8 [2022-07-26 13:52:30,725 INFO L138 BoogieDeclarations]: Found implementation of procedure thread8 [2022-07-26 13:52:30,725 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-07-26 13:52:30,725 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-07-26 13:52:30,725 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-26 13:52:30,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-26 13:52:30,725 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-26 13:52:30,726 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 13:52:30,797 INFO L234 CfgBuilder]: Building ICFG [2022-07-26 13:52:30,798 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-26 13:52:31,102 INFO L275 CfgBuilder]: Performing block encoding [2022-07-26 13:52:31,229 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-26 13:52:31,229 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-26 13:52:31,231 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.07 01:52:31 BoogieIcfgContainer [2022-07-26 13:52:31,231 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-26 13:52:31,232 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-26 13:52:31,232 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-26 13:52:31,242 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-26 13:52:31,242 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-26 13:52:31,242 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 26.07 01:52:30" (1/3) ... [2022-07-26 13:52:31,243 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@c117486 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.07 01:52:31, skipping insertion in model container [2022-07-26 13:52:31,243 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-26 13:52:31,243 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:52:30" (2/3) ... [2022-07-26 13:52:31,243 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@c117486 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.07 01:52:31, skipping insertion in model container [2022-07-26 13:52:31,243 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-26 13:52:31,243 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.07 01:52:31" (3/3) ... [2022-07-26 13:52:31,244 INFO L322 chiAutomizerObserver]: Analyzing ICFG parallel-ticket-8.wvr.c [2022-07-26 13:52:31,351 INFO L144 ThreadInstanceAdder]: Constructed 8 joinOtherThreadTransitions. [2022-07-26 13:52:31,381 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 245 places, 230 transitions, 524 flow [2022-07-26 13:52:31,428 INFO L129 PetriNetUnfolder]: 2/214 cut-off events. [2022-07-26 13:52:31,428 INFO L130 PetriNetUnfolder]: For 8/8 co-relation queries the response was YES. [2022-07-26 13:52:31,431 INFO L84 FinitePrefix]: Finished finitePrefix Result has 247 conditions, 214 events. 2/214 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 103 event pairs, 0 based on Foata normal form. 0/212 useless extension candidates. Maximal degree in co-relation 166. Up to 2 conditions per place. [2022-07-26 13:52:31,431 INFO L82 GeneralOperation]: Start removeDead. Operand has 245 places, 230 transitions, 524 flow [2022-07-26 13:52:31,445 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 237 places, 214 transitions, 476 flow [2022-07-26 13:52:31,447 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-07-26 13:52:31,459 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 237 places, 214 transitions, 476 flow [2022-07-26 13:52:31,463 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 237 places, 214 transitions, 476 flow [2022-07-26 13:52:31,464 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 237 places, 214 transitions, 476 flow [2022-07-26 13:52:31,508 INFO L129 PetriNetUnfolder]: 2/214 cut-off events. [2022-07-26 13:52:31,509 INFO L130 PetriNetUnfolder]: For 8/8 co-relation queries the response was YES. [2022-07-26 13:52:31,510 INFO L84 FinitePrefix]: Finished finitePrefix Result has 247 conditions, 214 events. 2/214 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 103 event pairs, 0 based on Foata normal form. 0/212 useless extension candidates. Maximal degree in co-relation 166. Up to 2 conditions per place. [2022-07-26 13:52:31,513 INFO L116 LiptonReduction]: Number of co-enabled transitions 5502 [2022-07-26 13:52:41,226 INFO L131 LiptonReduction]: Checked pairs total: 13065 [2022-07-26 13:52:41,226 INFO L133 LiptonReduction]: Total number of compositions: 176 [2022-07-26 13:52:41,240 INFO L301 stractBuchiCegarLoop]: Interprodecural is true [2022-07-26 13:52:41,240 INFO L302 stractBuchiCegarLoop]: Hoare is false [2022-07-26 13:52:41,240 INFO L303 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-26 13:52:41,240 INFO L304 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-26 13:52:41,240 INFO L305 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-26 13:52:41,240 INFO L306 stractBuchiCegarLoop]: Difference is false [2022-07-26 13:52:41,240 INFO L307 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-26 13:52:41,240 INFO L311 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-26 13:52:41,241 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 0 states, but on-demand construction may add more states [2022-07-26 13:52:44,096 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-07-26 13:52:44,097 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-07-26 13:52:44,100 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 26.07 01:52:44 BoogieIcfgContainer [2022-07-26 13:52:44,100 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-07-26 13:52:44,101 INFO L158 Benchmark]: Toolchain (without parser) took 13802.64ms. Allocated memory was 190.8MB in the beginning and 423.6MB in the end (delta: 232.8MB). Free memory was 140.9MB in the beginning and 196.9MB in the end (delta: -56.0MB). Peak memory consumption was 322.1MB. Max. memory is 8.0GB. [2022-07-26 13:52:44,101 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 190.8MB. Free memory is still 157.3MB. There was no memory consumed. Max. memory is 8.0GB. [2022-07-26 13:52:44,102 INFO L158 Benchmark]: CACSL2BoogieTranslator took 259.65ms. Allocated memory is still 190.8MB. Free memory was 140.8MB in the beginning and 165.2MB in the end (delta: -24.4MB). Peak memory consumption was 11.0MB. Max. memory is 8.0GB. [2022-07-26 13:52:44,102 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.47ms. Allocated memory is still 190.8MB. Free memory was 165.2MB in the beginning and 162.6MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-07-26 13:52:44,102 INFO L158 Benchmark]: Boogie Preprocessor took 30.23ms. Allocated memory is still 190.8MB. Free memory was 162.6MB in the beginning and 160.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-07-26 13:52:44,103 INFO L158 Benchmark]: RCFGBuilder took 586.85ms. Allocated memory is still 190.8MB. Free memory was 160.5MB in the beginning and 131.1MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 8.0GB. [2022-07-26 13:52:44,103 INFO L158 Benchmark]: BuchiAutomizer took 12868.57ms. Allocated memory was 190.8MB in the beginning and 423.6MB in the end (delta: 232.8MB). Free memory was 130.6MB in the beginning and 196.9MB in the end (delta: -66.3MB). Peak memory consumption was 312.2MB. Max. memory is 8.0GB. [2022-07-26 13:52:44,105 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 190.8MB. Free memory is still 157.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 259.65ms. Allocated memory is still 190.8MB. Free memory was 140.8MB in the beginning and 165.2MB in the end (delta: -24.4MB). Peak memory consumption was 11.0MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 53.47ms. Allocated memory is still 190.8MB. Free memory was 165.2MB in the beginning and 162.6MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 30.23ms. Allocated memory is still 190.8MB. Free memory was 162.6MB in the beginning and 160.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 586.85ms. Allocated memory is still 190.8MB. Free memory was 160.5MB in the beginning and 131.1MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 8.0GB. * BuchiAutomizer took 12868.57ms. Allocated memory was 190.8MB in the beginning and 423.6MB in the end (delta: 232.8MB). Free memory was 130.6MB in the beginning and 196.9MB in the end (delta: -66.3MB). Peak memory consumption was 312.2MB. 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 12.7s 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: 9.8s - 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: 9.8s, 237 PlacesBefore, 75 PlacesAfterwards, 214 TransitionsBefore, 50 TransitionsAfterwards, 5502 CoEnabledTransitionPairs, 8 FixpointIterations, 94 TrivialSequentialCompositions, 69 ConcurrentSequentialCompositions, 11 TrivialYvCompositions, 0 ConcurrentYvCompositions, 2 ChoiceCompositions, 176 TotalNumberOfCompositions, 13065 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 7279, positive: 7068, positive conditional: 0, positive unconditional: 7068, negative: 211, negative conditional: 0, negative unconditional: 211, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3743, positive: 3682, positive conditional: 0, positive unconditional: 3682, negative: 61, negative conditional: 0, negative unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3743, positive: 3538, positive conditional: 0, positive unconditional: 3538, negative: 205, negative conditional: 0, negative unconditional: 205, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 205, positive: 144, positive conditional: 0, positive unconditional: 144, negative: 61, negative conditional: 0, negative unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 305, positive: 163, positive conditional: 0, positive unconditional: 163, negative: 142, negative conditional: 0, negative unconditional: 142, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 7279, positive: 3386, positive conditional: 0, positive unconditional: 3386, negative: 150, negative conditional: 0, negative unconditional: 150, unknown: 3743, unknown conditional: 0, unknown unconditional: 3743] , Statistics on independence cache: Total cache size (in pairs): 400, Positive cache size: 376, Positive conditional cache size: 0, Positive unconditional cache size: 376, Negative cache size: 24, Negative conditional cache size: 0, Negative unconditional cache size: 24 RESULT: Ultimate proved your program to be correct! [2022-07-26 13:52:44,161 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...