/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-noLbe.epf -i ../../../trunk/examples/svcomp/ldv-linux-3.14-races/linux-3.14--drivers--net--irda--w83977af_ir.ko.cil.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-0d686a6 [2022-07-26 13:22:27,233 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-26 13:22:27,245 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-26 13:22:27,301 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-26 13:22:27,302 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-26 13:22:27,303 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-26 13:22:27,310 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-26 13:22:27,313 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-26 13:22:27,315 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-26 13:22:27,319 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-26 13:22:27,321 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-26 13:22:27,322 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-26 13:22:27,322 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-26 13:22:27,325 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-26 13:22:27,326 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-26 13:22:27,327 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-26 13:22:27,327 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-26 13:22:27,328 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-26 13:22:27,332 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-26 13:22:27,334 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-26 13:22:27,335 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-26 13:22:27,338 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-26 13:22:27,338 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-26 13:22:27,339 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-26 13:22:27,341 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-26 13:22:27,349 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-26 13:22:27,350 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-26 13:22:27,350 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-26 13:22:27,351 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-26 13:22:27,351 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-26 13:22:27,352 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-26 13:22:27,352 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-26 13:22:27,354 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-26 13:22:27,355 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-26 13:22:27,355 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-26 13:22:27,356 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-26 13:22:27,356 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-26 13:22:27,357 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-26 13:22:27,357 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-26 13:22:27,357 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-26 13:22:27,358 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-26 13:22:27,359 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-26 13:22:27,360 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/buchiAutomizer/concurrent-automaton-noLbe.epf [2022-07-26 13:22:27,396 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-26 13:22:27,397 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-26 13:22:27,397 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-26 13:22:27,397 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-26 13:22:27,398 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-26 13:22:27,398 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-26 13:22:27,398 INFO L138 SettingsManager]: * Use SBE=true [2022-07-26 13:22:27,399 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-26 13:22:27,399 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-26 13:22:27,399 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-26 13:22:27,400 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-26 13:22:27,400 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-26 13:22:27,400 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-26 13:22:27,400 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-26 13:22:27,401 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-26 13:22:27,401 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-26 13:22:27,401 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-26 13:22:27,401 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-26 13:22:27,401 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-26 13:22:27,402 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-26 13:22:27,402 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-26 13:22:27,402 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-26 13:22:27,402 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-26 13:22:27,402 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-26 13:22:27,402 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-26 13:22:27,402 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-26 13:22:27,402 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-26 13:22:27,403 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-26 13:22:27,403 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-26 13:22:27,403 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-26 13:22:27,403 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-26 13:22:27,403 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-26 13:22:27,404 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-26 13:22:27,404 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-07-26 13:22:27,647 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-26 13:22:27,665 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-26 13:22:27,668 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-26 13:22:27,669 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-26 13:22:27,669 INFO L275 PluginConnector]: CDTParser initialized [2022-07-26 13:22:27,671 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.14-races/linux-3.14--drivers--net--irda--w83977af_ir.ko.cil.i [2022-07-26 13:22:27,733 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/112cb4bf5/9e50c970c8244d5ba4fe09b3aca0b291/FLAG2da5de2ae [2022-07-26 13:22:28,496 INFO L306 CDTParser]: Found 1 translation units. [2022-07-26 13:22:28,497 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.14-races/linux-3.14--drivers--net--irda--w83977af_ir.ko.cil.i [2022-07-26 13:22:28,537 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/112cb4bf5/9e50c970c8244d5ba4fe09b3aca0b291/FLAG2da5de2ae [2022-07-26 13:22:28,718 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/112cb4bf5/9e50c970c8244d5ba4fe09b3aca0b291 [2022-07-26 13:22:28,721 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-26 13:22:28,722 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-07-26 13:22:28,724 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-26 13:22:28,724 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-26 13:22:28,726 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-26 13:22:28,727 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.07 01:22:28" (1/1) ... [2022-07-26 13:22:28,728 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@399f9104 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:22:28, skipping insertion in model container [2022-07-26 13:22:28,728 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.07 01:22:28" (1/1) ... [2022-07-26 13:22:28,734 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-26 13:22:28,809 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-26 13:22:30,545 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.14-races/linux-3.14--drivers--net--irda--w83977af_ir.ko.cil.i[236326,236339] [2022-07-26 13:22:30,899 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-26 13:22:30,933 INFO L203 MainTranslator]: Completed pre-run [2022-07-26 13:22:31,248 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.14-races/linux-3.14--drivers--net--irda--w83977af_ir.ko.cil.i[236326,236339] [2022-07-26 13:22:31,276 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-26 13:22:31,405 INFO L208 MainTranslator]: Completed translation [2022-07-26 13:22:31,406 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:22:31 WrapperNode [2022-07-26 13:22:31,406 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-26 13:22:31,407 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-26 13:22:31,407 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-26 13:22:31,407 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-26 13:22:31,413 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:22:31" (1/1) ... [2022-07-26 13:22:31,489 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:22:31" (1/1) ... [2022-07-26 13:22:31,670 INFO L137 Inliner]: procedures = 326, calls = 1240, calls flagged for inlining = 468, calls inlined = 783, statements flattened = 6520 [2022-07-26 13:22:31,671 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-26 13:22:31,672 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-26 13:22:31,672 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-26 13:22:31,672 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-26 13:22:31,680 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:22:31" (1/1) ... [2022-07-26 13:22:31,680 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:22:31" (1/1) ... [2022-07-26 13:22:31,717 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:22:31" (1/1) ... [2022-07-26 13:22:31,717 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:22:31" (1/1) ... [2022-07-26 13:22:31,907 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:22:31" (1/1) ... [2022-07-26 13:22:31,938 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:22:31" (1/1) ... [2022-07-26 13:22:31,958 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:22:31" (1/1) ... [2022-07-26 13:22:31,991 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-26 13:22:31,993 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-26 13:22:31,993 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-26 13:22:31,993 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-26 13:22:31,994 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:22:31" (1/1) ... [2022-07-26 13:22:32,001 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:22:32,011 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:22:32,025 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 13:22:32,052 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 13:22:32,070 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_random_allocationless_scenario_3 [2022-07-26 13:22:32,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_random_allocationless_scenario_3 [2022-07-26 13:22:32,070 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_scenario_2 [2022-07-26 13:22:32,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_scenario_2 [2022-07-26 13:22:32,070 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_insmod_4 [2022-07-26 13:22:32,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_insmod_4 [2022-07-26 13:22:32,071 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-26 13:22:32,071 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-26 13:22:32,071 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-26 13:22:32,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-26 13:22:32,071 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-26 13:22:32,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-26 13:22:32,071 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-07-26 13:22:32,071 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-26 13:22:32,071 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-26 13:22:32,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-26 13:22:32,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-26 13:22:32,072 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-26 13:22:32,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-26 13:22:32,077 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 13:22:32,657 INFO L234 CfgBuilder]: Building ICFG [2022-07-26 13:22:32,658 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-26 13:22:37,364 INFO L275 CfgBuilder]: Performing block encoding [2022-07-26 13:22:37,401 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-26 13:22:37,402 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-26 13:22:37,411 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.07 01:22:37 BoogieIcfgContainer [2022-07-26 13:22:37,411 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-26 13:22:37,412 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-26 13:22:37,412 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-26 13:22:37,416 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-26 13:22:37,416 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-26 13:22:37,417 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 26.07 01:22:28" (1/3) ... [2022-07-26 13:22:37,417 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@21a7a3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.07 01:22:37, skipping insertion in model container [2022-07-26 13:22:37,418 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-26 13:22:37,418 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:22:31" (2/3) ... [2022-07-26 13:22:37,418 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@21a7a3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.07 01:22:37, skipping insertion in model container [2022-07-26 13:22:37,418 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-26 13:22:37,418 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.07 01:22:37" (3/3) ... [2022-07-26 13:22:37,419 INFO L322 chiAutomizerObserver]: Analyzing ICFG linux-3.14--drivers--net--irda--w83977af_ir.ko.cil.i [2022-07-26 13:22:38,707 INFO L144 ThreadInstanceAdder]: Constructed 13 joinOtherThreadTransitions. [2022-07-26 13:22:38,859 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 11331 places, 11757 transitions, 23578 flow [2022-07-26 13:24:37,598 INFO L129 PetriNetUnfolder]: 816/22109 cut-off events. [2022-07-26 13:24:37,598 INFO L130 PetriNetUnfolder]: For 10/10 co-relation queries the response was YES. [2022-07-26 13:24:47,911 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22143 conditions, 22109 events. 816/22109 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 154826 event pairs, 1 based on Foata normal form. 0/21284 useless extension candidates. Maximal degree in co-relation 21502. Up to 24 conditions per place. [2022-07-26 13:24:47,912 INFO L82 GeneralOperation]: Start removeDead. Operand has 11331 places, 11757 transitions, 23578 flow [2022-07-26 13:25:01,582 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 8347 places, 8642 transitions, 17318 flow [2022-07-26 13:25:01,594 INFO L301 stractBuchiCegarLoop]: Interprodecural is true [2022-07-26 13:25:01,595 INFO L302 stractBuchiCegarLoop]: Hoare is false [2022-07-26 13:25:01,611 INFO L303 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-26 13:25:01,612 INFO L304 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-26 13:25:01,612 INFO L305 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-26 13:25:01,612 INFO L306 stractBuchiCegarLoop]: Difference is false [2022-07-26 13:25:01,612 INFO L307 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-26 13:25:01,612 INFO L311 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-26 13:25:01,614 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 0 states, but on-demand construction may add more states