/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml -i ../sv-benchmarks/c/ldv-commit-tester/m0_drivers-media-video-cx88-cx8802-ko--32_7a--d47b389.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-03-31 02:28:34,665 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-31 02:28:34,667 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-31 02:28:34,699 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-03-31 02:28:34,699 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-03-31 02:28:34,700 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-03-31 02:28:34,702 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-03-31 02:28:34,703 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-03-31 02:28:34,705 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-03-31 02:28:34,705 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-03-31 02:28:34,706 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-03-31 02:28:34,707 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-03-31 02:28:34,708 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-31 02:28:34,713 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-31 02:28:34,715 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-31 02:28:34,718 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-31 02:28:34,719 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-31 02:28:34,723 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-31 02:28:34,727 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-31 02:28:34,732 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-31 02:28:34,735 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-31 02:28:34,736 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-31 02:28:34,738 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-31 02:28:34,739 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-31 02:28:34,746 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-03-31 02:28:34,746 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-03-31 02:28:34,747 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-03-31 02:28:34,748 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-03-31 02:28:34,749 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-03-31 02:28:34,749 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-03-31 02:28:34,750 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-03-31 02:28:34,751 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-03-31 02:28:34,752 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-03-31 02:28:34,752 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-03-31 02:28:34,754 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-03-31 02:28:34,754 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-03-31 02:28:34,755 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-03-31 02:28:34,755 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-03-31 02:28:34,755 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-31 02:28:34,756 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-31 02:28:34,756 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-31 02:28:34,758 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-03-31 02:28:34,792 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-31 02:28:34,792 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-31 02:28:34,793 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-31 02:28:34,793 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-31 02:28:34,795 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-31 02:28:34,795 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-31 02:28:34,796 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-03-31 02:28:34,796 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-03-31 02:28:34,796 INFO L138 SettingsManager]: * Use SBE=true [2023-03-31 02:28:34,796 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-31 02:28:34,797 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-31 02:28:34,797 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-31 02:28:34,797 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-31 02:28:34,797 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-31 02:28:34,797 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-31 02:28:34,798 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-31 02:28:34,798 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-31 02:28:34,798 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-31 02:28:34,798 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-31 02:28:34,798 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-31 02:28:34,798 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-31 02:28:34,798 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-31 02:28:34,798 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-03-31 02:28:34,798 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-31 02:28:34,799 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 02:28:34,799 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-31 02:28:34,799 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-31 02:28:34,799 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-31 02:28:34,799 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-03-31 02:28:34,799 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-31 02:28:34,799 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-03-31 02:28:34,800 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-31 02:28:34,800 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-03-31 02:28:34,800 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-03-31 02:28:34,800 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-03-31 02:28:34,800 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-03-31 02:28:35,054 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-31 02:28:35,082 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-31 02:28:35,084 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-31 02:28:35,085 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-31 02:28:35,086 INFO L275 PluginConnector]: CDTParser initialized [2023-03-31 02:28:35,087 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-commit-tester/m0_drivers-media-video-cx88-cx8802-ko--32_7a--d47b389.i [2023-03-31 02:28:36,332 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-31 02:28:36,780 INFO L351 CDTParser]: Found 1 translation units. [2023-03-31 02:28:36,781 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-commit-tester/m0_drivers-media-video-cx88-cx8802-ko--32_7a--d47b389.i [2023-03-31 02:28:36,819 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6840bfbc7/e5740d93d0604c3287b90ac01c172345/FLAGd455f70f6 [2023-03-31 02:28:36,833 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6840bfbc7/e5740d93d0604c3287b90ac01c172345 [2023-03-31 02:28:36,835 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-31 02:28:36,836 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-31 02:28:36,839 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-31 02:28:36,839 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-31 02:28:36,842 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-31 02:28:36,842 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 02:28:36" (1/1) ... [2023-03-31 02:28:36,843 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@314a520f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 02:28:36, skipping insertion in model container [2023-03-31 02:28:36,844 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 02:28:36" (1/1) ... [2023-03-31 02:28:36,850 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-31 02:28:36,939 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-31 02:28:37,933 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-commit-tester/m0_drivers-media-video-cx88-cx8802-ko--32_7a--d47b389.i[185143,185156] [2023-03-31 02:28:38,031 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 02:28:38,055 INFO L203 MainTranslator]: Completed pre-run [2023-03-31 02:28:38,360 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-commit-tester/m0_drivers-media-video-cx88-cx8802-ko--32_7a--d47b389.i[185143,185156] [2023-03-31 02:28:38,385 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 02:28:38,458 INFO L208 MainTranslator]: Completed translation [2023-03-31 02:28:38,459 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 02:28:38 WrapperNode [2023-03-31 02:28:38,459 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-31 02:28:38,460 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-31 02:28:38,460 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-31 02:28:38,460 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-31 02:28:38,470 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 02:28:38" (1/1) ... [2023-03-31 02:28:38,471 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 02:28:38" (1/1) ... [2023-03-31 02:28:38,545 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 02:28:38" (1/1) ... [2023-03-31 02:28:38,546 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 02:28:38" (1/1) ... [2023-03-31 02:28:38,641 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 02:28:38" (1/1) ... [2023-03-31 02:28:38,663 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 02:28:38" (1/1) ... [2023-03-31 02:28:38,685 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 02:28:38" (1/1) ... [2023-03-31 02:28:38,707 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 02:28:38" (1/1) ... [2023-03-31 02:28:38,737 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-31 02:28:38,738 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-31 02:28:38,738 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-31 02:28:38,738 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-31 02:28:38,739 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 02:28:38" (1/1) ... [2023-03-31 02:28:38,744 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 02:28:38,753 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 02:28:38,766 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-03-31 02:28:38,776 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-03-31 02:28:38,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-03-31 02:28:38,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-31 02:28:38,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-03-31 02:28:38,809 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-03-31 02:28:38,809 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-03-31 02:28:38,809 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2023-03-31 02:28:38,809 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2023-03-31 02:28:38,809 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-03-31 02:28:38,809 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-03-31 02:28:38,809 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-03-31 02:28:38,809 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-03-31 02:28:38,809 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2023-03-31 02:28:38,809 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-03-31 02:28:38,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-03-31 02:28:38,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-03-31 02:28:38,810 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2023-03-31 02:28:38,810 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-03-31 02:28:38,810 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-03-31 02:28:38,810 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2023-03-31 02:28:38,810 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2023-03-31 02:28:38,810 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2023-03-31 02:28:38,810 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2023-03-31 02:28:38,810 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_byte [2023-03-31 02:28:38,810 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_supported [2023-03-31 02:28:38,810 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-03-31 02:28:38,811 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2023-03-31 02:28:38,811 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2023-03-31 02:28:38,811 INFO L138 BoogieDeclarations]: Found implementation of procedure request_module_async [2023-03-31 02:28:38,811 INFO L138 BoogieDeclarations]: Found implementation of procedure request_modules [2023-03-31 02:28:38,811 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_request_modules [2023-03-31 02:28:38,811 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_start_dma [2023-03-31 02:28:38,811 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_stop_dma [2023-03-31 02:28:38,811 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_restart_queue [2023-03-31 02:28:38,811 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_buf_prepare [2023-03-31 02:28:38,811 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_buf_queue [2023-03-31 02:28:38,811 INFO L138 BoogieDeclarations]: Found implementation of procedure do_cancel_buffers [2023-03-31 02:28:38,811 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_cancel_buffers [2023-03-31 02:28:38,812 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_timeout [2023-03-31 02:28:38,812 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_mpeg_irq [2023-03-31 02:28:38,812 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_irq [2023-03-31 02:28:38,812 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_init_common [2023-03-31 02:28:38,812 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_fini_common [2023-03-31 02:28:38,812 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_suspend_common [2023-03-31 02:28:38,813 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_resume_common [2023-03-31 02:28:38,813 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_get_driver [2023-03-31 02:28:38,813 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_request_acquire [2023-03-31 02:28:38,813 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_request_release [2023-03-31 02:28:38,813 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_check_driver [2023-03-31 02:28:38,813 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_register_driver [2023-03-31 02:28:38,813 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_unregister_driver [2023-03-31 02:28:38,813 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_probe [2023-03-31 02:28:38,813 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_remove [2023-03-31 02:28:38,814 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_init [2023-03-31 02:28:38,814 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_fini [2023-03-31 02:28:38,814 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-03-31 02:28:38,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_1 [2023-03-31 02:28:38,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_2 [2023-03-31 02:28:38,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_3 [2023-03-31 02:28:38,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_4 [2023-03-31 02:28:38,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_5 [2023-03-31 02:28:38,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_6 [2023-03-31 02:28:38,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_7 [2023-03-31 02:28:38,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_8 [2023-03-31 02:28:38,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_9 [2023-03-31 02:28:38,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_10 [2023-03-31 02:28:38,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_11 [2023-03-31 02:28:38,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_12 [2023-03-31 02:28:38,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_13 [2023-03-31 02:28:38,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-03-31 02:28:38,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-03-31 02:28:38,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock_of_cx88_core [2023-03-31 02:28:38,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock_of_cx88_core [2023-03-31 02:28:38,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_cx88_core [2023-03-31 02:28:38,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock_of_cx88_core [2023-03-31 02:28:38,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock_of_cx88_core [2023-03-31 02:28:38,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock_of_cx88_core [2023-03-31 02:28:38,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_cx88_core [2023-03-31 02:28:38,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock_of_v4l2_ctrl_handler [2023-03-31 02:28:38,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock_of_v4l2_ctrl_handler [2023-03-31 02:28:38,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_v4l2_ctrl_handler [2023-03-31 02:28:38,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock_of_v4l2_ctrl_handler [2023-03-31 02:28:38,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock_of_v4l2_ctrl_handler [2023-03-31 02:28:38,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock_of_v4l2_ctrl_handler [2023-03-31 02:28:38,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_v4l2_ctrl_handler [2023-03-31 02:28:38,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2023-03-31 02:28:38,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2023-03-31 02:28:38,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2023-03-31 02:28:38,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2023-03-31 02:28:38,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2023-03-31 02:28:38,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2023-03-31 02:28:38,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2023-03-31 02:28:38,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_vb_lock_of_videobuf_queue [2023-03-31 02:28:38,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_vb_lock_of_videobuf_queue [2023-03-31 02:28:38,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_vb_lock_of_videobuf_queue [2023-03-31 02:28:38,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_vb_lock_of_videobuf_queue [2023-03-31 02:28:38,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_vb_lock_of_videobuf_queue [2023-03-31 02:28:38,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_vb_lock_of_videobuf_queue [2023-03-31 02:28:38,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_vb_lock_of_videobuf_queue [2023-03-31 02:28:38,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2023-03-31 02:28:38,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-03-31 02:28:38,820 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-03-31 02:28:38,821 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2023-03-31 02:28:38,821 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2023-03-31 02:28:38,821 INFO L138 BoogieDeclarations]: Found implementation of procedure __pci_register_driver [2023-03-31 02:28:38,821 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-03-31 02:28:38,821 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_module [2023-03-31 02:28:38,821 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2023-03-31 02:28:38,821 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2023-03-31 02:28:38,822 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2023-03-31 02:28:38,822 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2023-03-31 02:28:38,822 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2023-03-31 02:28:38,822 INFO L138 BoogieDeclarations]: Found implementation of procedure btcx_riscmem_free [2023-03-31 02:28:38,822 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_core_get [2023-03-31 02:28:38,822 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_core_irq [2023-03-31 02:28:38,822 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_core_put [2023-03-31 02:28:38,822 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_free_buffer [2023-03-31 02:28:38,822 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_print_irqbits [2023-03-31 02:28:38,822 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_reset [2023-03-31 02:28:38,823 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_risc_databuffer [2023-03-31 02:28:38,823 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_risc_stopper [2023-03-31 02:28:38,823 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_shutdown [2023-03-31 02:28:38,823 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_sram_channel_dump [2023-03-31 02:28:38,823 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_sram_channel_setup [2023-03-31 02:28:38,823 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_wakeup [2023-03-31 02:28:38,823 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2023-03-31 02:28:38,824 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2023-03-31 02:28:38,824 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2023-03-31 02:28:38,825 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2023-03-31 02:28:38,825 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_supported [2023-03-31 02:28:38,828 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_work_sync [2023-03-31 02:28:38,833 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-03-31 02:28:38,833 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2023-03-31 02:28:38,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2023-03-31 02:28:38,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value_probe [2023-03-31 02:28:38,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2023-03-31 02:28:38,834 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2023-03-31 02:28:38,834 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2023-03-31 02:28:38,834 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2023-03-31 02:28:38,834 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2023-03-31 02:28:38,834 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2023-03-31 02:28:38,834 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2023-03-31 02:28:38,834 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-03-31 02:28:38,834 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_read_config_byte [2023-03-31 02:28:38,834 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2023-03-31 02:28:38,834 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-03-31 02:28:38,834 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2023-03-31 02:28:38,834 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2023-03-31 02:28:38,834 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2023-03-31 02:28:38,834 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2023-03-31 02:28:38,834 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2023-03-31 02:28:38,834 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2023-03-31 02:28:38,835 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-03-31 02:28:38,835 INFO L138 BoogieDeclarations]: Found implementation of procedure request_threaded_irq [2023-03-31 02:28:38,835 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2023-03-31 02:28:38,835 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_iolock [2023-03-31 02:28:38,835 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_to_dma [2023-03-31 02:28:38,835 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-03-31 02:28:38,835 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-03-31 02:28:38,835 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-03-31 02:28:38,835 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-03-31 02:28:38,835 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2023-03-31 02:28:38,835 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2023-03-31 02:28:38,835 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-03-31 02:28:38,835 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-31 02:28:38,836 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-03-31 02:28:38,836 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2023-03-31 02:28:38,836 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-03-31 02:28:38,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-03-31 02:28:38,836 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2023-03-31 02:28:38,836 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2023-03-31 02:28:38,836 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-03-31 02:28:38,836 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2023-03-31 02:28:38,836 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2023-03-31 02:28:38,836 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2023-03-31 02:28:38,836 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2023-03-31 02:28:38,836 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_2 [2023-03-31 02:28:38,836 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-03-31 02:28:38,836 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_3 [2023-03-31 02:28:38,836 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_5 [2023-03-31 02:28:38,837 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_7 [2023-03-31 02:28:38,837 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_9 [2023-03-31 02:28:38,837 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_11 [2023-03-31 02:28:38,837 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_13 [2023-03-31 02:28:38,837 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2023-03-31 02:28:38,837 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_1 [2023-03-31 02:28:38,837 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_4 [2023-03-31 02:28:38,837 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_6 [2023-03-31 02:28:38,837 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_8 [2023-03-31 02:28:38,838 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_10 [2023-03-31 02:28:38,838 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_12 [2023-03-31 02:28:38,838 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_cx88_core [2023-03-31 02:28:38,838 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_cx88_core [2023-03-31 02:28:38,838 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_v4l2_ctrl_handler [2023-03-31 02:28:38,838 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_v4l2_ctrl_handler [2023-03-31 02:28:38,838 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2023-03-31 02:28:38,838 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2023-03-31 02:28:38,838 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2023-03-31 02:28:38,838 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_vb_lock_of_videobuf_queue [2023-03-31 02:28:38,838 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_vb_lock_of_videobuf_queue [2023-03-31 02:28:38,838 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-03-31 02:28:38,838 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2023-03-31 02:28:38,838 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2023-03-31 02:28:38,838 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2023-03-31 02:28:38,838 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2023-03-31 02:28:38,839 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-03-31 02:28:38,839 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-03-31 02:28:38,839 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-03-31 02:28:38,839 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-03-31 02:28:38,839 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2023-03-31 02:28:38,839 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-03-31 02:28:38,839 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2023-03-31 02:28:38,839 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2023-03-31 02:28:38,839 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2023-03-31 02:28:38,839 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2023-03-31 02:28:38,840 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2023-03-31 02:28:38,840 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2023-03-31 02:28:38,840 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2023-03-31 02:28:38,840 INFO L130 BoogieDeclarations]: Found specification of procedure flush_work_sync [2023-03-31 02:28:38,840 INFO L130 BoogieDeclarations]: Found specification of procedure __request_module [2023-03-31 02:28:38,840 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2023-03-31 02:28:38,840 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-03-31 02:28:38,840 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-03-31 02:28:38,840 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-03-31 02:28:38,840 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-03-31 02:28:38,840 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-03-31 02:28:38,840 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-03-31 02:28:38,840 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-03-31 02:28:38,840 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2023-03-31 02:28:38,840 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-03-31 02:28:38,840 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-03-31 02:28:38,840 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-03-31 02:28:38,841 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2023-03-31 02:28:38,841 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2023-03-31 02:28:38,841 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2023-03-31 02:28:38,841 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2023-03-31 02:28:38,841 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2023-03-31 02:28:38,841 INFO L130 BoogieDeclarations]: Found specification of procedure dma_supported [2023-03-31 02:28:38,841 INFO L130 BoogieDeclarations]: Found specification of procedure request_threaded_irq [2023-03-31 02:28:38,841 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2023-03-31 02:28:38,841 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-03-31 02:28:38,841 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_read_config_byte [2023-03-31 02:28:38,841 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_byte [2023-03-31 02:28:38,841 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-31 02:28:38,841 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2023-03-31 02:28:38,841 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-03-31 02:28:38,841 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2023-03-31 02:28:38,841 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2023-03-31 02:28:38,842 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2023-03-31 02:28:38,842 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2023-03-31 02:28:38,842 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2023-03-31 02:28:38,842 INFO L130 BoogieDeclarations]: Found specification of procedure __pci_register_driver [2023-03-31 02:28:38,842 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2023-03-31 02:28:38,842 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_supported [2023-03-31 02:28:38,842 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-03-31 02:28:38,842 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2023-03-31 02:28:38,843 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2023-03-31 02:28:38,846 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_iolock [2023-03-31 02:28:38,847 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_to_dma [2023-03-31 02:28:38,847 INFO L130 BoogieDeclarations]: Found specification of procedure btcx_riscmem_free [2023-03-31 02:28:38,847 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_print_irqbits [2023-03-31 02:28:38,847 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_core_irq [2023-03-31 02:28:38,847 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_wakeup [2023-03-31 02:28:38,847 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_shutdown [2023-03-31 02:28:38,847 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_reset [2023-03-31 02:28:38,847 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_risc_databuffer [2023-03-31 02:28:38,847 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_risc_stopper [2023-03-31 02:28:38,847 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_free_buffer [2023-03-31 02:28:38,847 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_sram_channel_setup [2023-03-31 02:28:38,848 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_sram_channel_dump [2023-03-31 02:28:38,848 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_core_get [2023-03-31 02:28:38,848 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_core_put [2023-03-31 02:28:38,848 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_register_driver [2023-03-31 02:28:38,848 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_unregister_driver [2023-03-31 02:28:38,848 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_get_driver [2023-03-31 02:28:38,848 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_buf_prepare [2023-03-31 02:28:38,848 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_buf_queue [2023-03-31 02:28:38,848 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_cancel_buffers [2023-03-31 02:28:38,848 INFO L130 BoogieDeclarations]: Found specification of procedure request_module_async [2023-03-31 02:28:38,848 INFO L130 BoogieDeclarations]: Found specification of procedure request_modules [2023-03-31 02:28:38,848 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-03-31 02:28:38,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-31 02:28:38,848 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-31 02:28:38,848 INFO L130 BoogieDeclarations]: Found specification of procedure flush_request_modules [2023-03-31 02:28:38,848 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_start_dma [2023-03-31 02:28:38,848 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_stop_dma [2023-03-31 02:28:38,849 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_restart_queue [2023-03-31 02:28:38,849 INFO L130 BoogieDeclarations]: Found specification of procedure do_cancel_buffers [2023-03-31 02:28:38,849 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_timeout [2023-03-31 02:28:38,849 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_mpeg_irq [2023-03-31 02:28:38,849 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_irq [2023-03-31 02:28:38,849 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_init_common [2023-03-31 02:28:38,849 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_fini_common [2023-03-31 02:28:38,849 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_suspend_common [2023-03-31 02:28:38,849 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_resume_common [2023-03-31 02:28:38,849 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_request_acquire [2023-03-31 02:28:38,849 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-03-31 02:28:38,849 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_request_release [2023-03-31 02:28:38,849 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_check_driver [2023-03-31 02:28:38,849 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-03-31 02:28:38,849 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_probe [2023-03-31 02:28:38,849 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_remove [2023-03-31 02:28:38,849 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_init [2023-03-31 02:28:38,849 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_fini [2023-03-31 02:28:38,850 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-03-31 02:28:38,850 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2023-03-31 02:28:38,850 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value_probe [2023-03-31 02:28:38,850 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2023-03-31 02:28:38,850 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2023-03-31 02:28:38,850 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-03-31 02:28:38,850 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-03-31 02:28:38,850 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-03-31 02:28:38,850 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock_of_cx88_core [2023-03-31 02:28:38,850 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock_of_cx88_core [2023-03-31 02:28:38,850 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock_of_cx88_core [2023-03-31 02:28:38,850 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock_of_cx88_core [2023-03-31 02:28:38,850 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock_of_cx88_core [2023-03-31 02:28:38,850 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock_of_v4l2_ctrl_handler [2023-03-31 02:28:38,850 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock_of_v4l2_ctrl_handler [2023-03-31 02:28:38,850 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock_of_v4l2_ctrl_handler [2023-03-31 02:28:38,851 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock_of_v4l2_ctrl_handler [2023-03-31 02:28:38,851 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock_of_v4l2_ctrl_handler [2023-03-31 02:28:38,851 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2023-03-31 02:28:38,851 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2023-03-31 02:28:38,851 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2023-03-31 02:28:38,851 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2023-03-31 02:28:38,851 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_vb_lock_of_videobuf_queue [2023-03-31 02:28:38,851 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_vb_lock_of_videobuf_queue [2023-03-31 02:28:38,851 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_vb_lock_of_videobuf_queue [2023-03-31 02:28:38,851 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_vb_lock_of_videobuf_queue [2023-03-31 02:28:38,851 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_vb_lock_of_videobuf_queue [2023-03-31 02:28:38,851 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2023-03-31 02:28:38,851 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2023-03-31 02:28:38,851 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-03-31 02:28:38,851 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-03-31 02:28:38,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-31 02:28:38,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-03-31 02:28:38,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-03-31 02:28:38,852 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-31 02:28:38,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-03-31 02:28:38,852 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-03-31 02:28:38,852 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-03-31 02:28:39,521 INFO L236 CfgBuilder]: Building ICFG [2023-03-31 02:28:39,527 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-31 02:28:41,959 INFO L277 CfgBuilder]: Performing block encoding [2023-03-31 02:28:41,977 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-31 02:28:41,977 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-03-31 02:28:41,982 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 02:28:41 BoogieIcfgContainer [2023-03-31 02:28:41,982 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-31 02:28:41,985 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-03-31 02:28:41,985 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-03-31 02:28:41,987 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-03-31 02:28:41,988 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.03 02:28:36" (1/3) ... [2023-03-31 02:28:41,988 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b17d64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 02:28:41, skipping insertion in model container [2023-03-31 02:28:41,988 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 02:28:38" (2/3) ... [2023-03-31 02:28:41,988 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b17d64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 02:28:41, skipping insertion in model container [2023-03-31 02:28:41,989 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 02:28:41" (3/3) ... [2023-03-31 02:28:41,990 INFO L112 eAbstractionObserver]: Analyzing ICFG m0_drivers-media-video-cx88-cx8802-ko--32_7a--d47b389.i [2023-03-31 02:28:42,006 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-03-31 02:28:42,006 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-03-31 02:28:42,080 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-03-31 02:28:42,085 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@f45ecfa, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-03-31 02:28:42,086 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-03-31 02:28:42,093 INFO L276 IsEmpty]: Start isEmpty. Operand has 1223 states, 777 states have (on average 1.2625482625482625) internal successors, (981), 797 states have internal predecessors, (981), 297 states have call successors, (297), 111 states have call predecessors, (297), 111 states have return successors, (297), 295 states have call predecessors, (297), 297 states have call successors, (297) [2023-03-31 02:28:42,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-03-31 02:28:42,100 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 02:28:42,101 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 02:28:42,101 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 02:28:42,105 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 02:28:42,105 INFO L85 PathProgramCache]: Analyzing trace with hash -2109104056, now seen corresponding path program 1 times [2023-03-31 02:28:42,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 02:28:42,114 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2045403241] [2023-03-31 02:28:42,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 02:28:42,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 02:28:42,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:28:42,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 02:28:42,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:28:42,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 02:28:42,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:28:42,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 02:28:42,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:28:42,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-03-31 02:28:42,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:28:42,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 02:28:42,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:28:42,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 02:28:42,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:28:42,931 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 02:28:42,932 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 02:28:42,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2045403241] [2023-03-31 02:28:42,933 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2045403241] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 02:28:42,933 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 02:28:42,933 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-03-31 02:28:42,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1895633952] [2023-03-31 02:28:42,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 02:28:42,939 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-03-31 02:28:42,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 02:28:42,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-03-31 02:28:42,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-03-31 02:28:42,975 INFO L87 Difference]: Start difference. First operand has 1223 states, 777 states have (on average 1.2625482625482625) internal successors, (981), 797 states have internal predecessors, (981), 297 states have call successors, (297), 111 states have call predecessors, (297), 111 states have return successors, (297), 295 states have call predecessors, (297), 297 states have call successors, (297) Second operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 3 states have internal predecessors, (18), 3 states have call successors, (9), 5 states have call predecessors, (9), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-03-31 02:28:49,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 02:28:49,077 INFO L93 Difference]: Finished difference Result 2256 states and 3077 transitions. [2023-03-31 02:28:49,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-03-31 02:28:49,079 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 3 states have internal predecessors, (18), 3 states have call successors, (9), 5 states have call predecessors, (9), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 33 [2023-03-31 02:28:49,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 02:28:49,098 INFO L225 Difference]: With dead ends: 2256 [2023-03-31 02:28:49,098 INFO L226 Difference]: Without dead ends: 1359 [2023-03-31 02:28:49,106 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-03-31 02:28:49,108 INFO L413 NwaCegarLoop]: 98 mSDtfsCounter, 1596 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 2441 mSolverCounterSat, 883 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1722 SdHoareTripleChecker+Valid, 162 SdHoareTripleChecker+Invalid, 3324 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 883 IncrementalHoareTripleChecker+Valid, 2441 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2023-03-31 02:28:49,109 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1722 Valid, 162 Invalid, 3324 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [883 Valid, 2441 Invalid, 0 Unknown, 0 Unchecked, 5.3s Time] [2023-03-31 02:28:49,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1359 states. [2023-03-31 02:28:49,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1359 to 1176. [2023-03-31 02:28:49,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1176 states, 755 states have (on average 1.2463576158940397) internal successors, (941), 773 states have internal predecessors, (941), 301 states have call successors, (301), 122 states have call predecessors, (301), 119 states have return successors, (295), 291 states have call predecessors, (295), 295 states have call successors, (295) [2023-03-31 02:28:49,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1176 states to 1176 states and 1537 transitions. [2023-03-31 02:28:49,373 INFO L78 Accepts]: Start accepts. Automaton has 1176 states and 1537 transitions. Word has length 33 [2023-03-31 02:28:49,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 02:28:49,374 INFO L495 AbstractCegarLoop]: Abstraction has 1176 states and 1537 transitions. [2023-03-31 02:28:49,374 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 3 states have internal predecessors, (18), 3 states have call successors, (9), 5 states have call predecessors, (9), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-03-31 02:28:49,374 INFO L276 IsEmpty]: Start isEmpty. Operand 1176 states and 1537 transitions. [2023-03-31 02:28:49,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-03-31 02:28:49,376 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 02:28:49,376 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 02:28:49,377 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-03-31 02:28:49,377 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 02:28:49,377 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 02:28:49,377 INFO L85 PathProgramCache]: Analyzing trace with hash -958397429, now seen corresponding path program 1 times [2023-03-31 02:28:49,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 02:28:49,378 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1125488114] [2023-03-31 02:28:49,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 02:28:49,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 02:28:49,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:28:49,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 02:28:49,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:28:49,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 02:28:49,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:28:49,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 02:28:49,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:28:49,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-03-31 02:28:49,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:28:49,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 02:28:49,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:28:49,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 02:28:49,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:28:49,712 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 02:28:49,712 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 02:28:49,712 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1125488114] [2023-03-31 02:28:49,712 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1125488114] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 02:28:49,713 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 02:28:49,713 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-03-31 02:28:49,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [375493364] [2023-03-31 02:28:49,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 02:28:49,714 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-03-31 02:28:49,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 02:28:49,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-03-31 02:28:49,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-03-31 02:28:49,715 INFO L87 Difference]: Start difference. First operand 1176 states and 1537 transitions. Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 3 states have internal predecessors, (19), 3 states have call successors, (9), 5 states have call predecessors, (9), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-03-31 02:28:53,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 02:28:53,945 INFO L93 Difference]: Finished difference Result 1359 states and 1821 transitions. [2023-03-31 02:28:53,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-03-31 02:28:53,946 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 3 states have internal predecessors, (19), 3 states have call successors, (9), 5 states have call predecessors, (9), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 34 [2023-03-31 02:28:53,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 02:28:53,956 INFO L225 Difference]: With dead ends: 1359 [2023-03-31 02:28:53,957 INFO L226 Difference]: Without dead ends: 1356 [2023-03-31 02:28:53,957 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-03-31 02:28:53,958 INFO L413 NwaCegarLoop]: 84 mSDtfsCounter, 1647 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 1567 mSolverCounterSat, 1038 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1672 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 2605 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1038 IncrementalHoareTripleChecker+Valid, 1567 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2023-03-31 02:28:53,959 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1672 Valid, 120 Invalid, 2605 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1038 Valid, 1567 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2023-03-31 02:28:53,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1356 states. [2023-03-31 02:28:54,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1356 to 1175. [2023-03-31 02:28:54,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1175 states, 755 states have (on average 1.2450331125827814) internal successors, (940), 772 states have internal predecessors, (940), 300 states have call successors, (300), 122 states have call predecessors, (300), 119 states have return successors, (295), 291 states have call predecessors, (295), 295 states have call successors, (295) [2023-03-31 02:28:54,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1175 states to 1175 states and 1535 transitions. [2023-03-31 02:28:54,139 INFO L78 Accepts]: Start accepts. Automaton has 1175 states and 1535 transitions. Word has length 34 [2023-03-31 02:28:54,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 02:28:54,139 INFO L495 AbstractCegarLoop]: Abstraction has 1175 states and 1535 transitions. [2023-03-31 02:28:54,140 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 3 states have internal predecessors, (19), 3 states have call successors, (9), 5 states have call predecessors, (9), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-03-31 02:28:54,140 INFO L276 IsEmpty]: Start isEmpty. Operand 1175 states and 1535 transitions. [2023-03-31 02:28:54,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-03-31 02:28:54,141 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 02:28:54,141 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 02:28:54,141 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-03-31 02:28:54,141 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 02:28:54,141 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 02:28:54,142 INFO L85 PathProgramCache]: Analyzing trace with hash 353774507, now seen corresponding path program 1 times [2023-03-31 02:28:54,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 02:28:54,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1684873649] [2023-03-31 02:28:54,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 02:28:54,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 02:28:54,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:28:54,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 02:28:54,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:28:54,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 02:28:54,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:28:54,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 02:28:54,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:28:54,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-03-31 02:28:54,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:28:54,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 02:28:54,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:28:54,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 02:28:54,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:28:54,484 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 02:28:54,485 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 02:28:54,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1684873649] [2023-03-31 02:28:54,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1684873649] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 02:28:54,485 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 02:28:54,485 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-03-31 02:28:54,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1447978937] [2023-03-31 02:28:54,485 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 02:28:54,486 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-03-31 02:28:54,488 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 02:28:54,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-03-31 02:28:54,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-03-31 02:28:54,490 INFO L87 Difference]: Start difference. First operand 1175 states and 1535 transitions. Second operand has 5 states, 5 states have (on average 4.0) internal successors, (20), 3 states have internal predecessors, (20), 3 states have call successors, (9), 5 states have call predecessors, (9), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-03-31 02:28:58,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 02:28:58,352 INFO L93 Difference]: Finished difference Result 1358 states and 1819 transitions. [2023-03-31 02:28:58,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-03-31 02:28:58,353 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.0) internal successors, (20), 3 states have internal predecessors, (20), 3 states have call successors, (9), 5 states have call predecessors, (9), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 35 [2023-03-31 02:28:58,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 02:28:58,363 INFO L225 Difference]: With dead ends: 1358 [2023-03-31 02:28:58,363 INFO L226 Difference]: Without dead ends: 1355 [2023-03-31 02:28:58,365 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-03-31 02:28:58,366 INFO L413 NwaCegarLoop]: 84 mSDtfsCounter, 1644 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 1565 mSolverCounterSat, 1036 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1669 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 2601 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1036 IncrementalHoareTripleChecker+Valid, 1565 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2023-03-31 02:28:58,366 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1669 Valid, 120 Invalid, 2601 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1036 Valid, 1565 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2023-03-31 02:28:58,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1355 states. [2023-03-31 02:28:58,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1355 to 1174. [2023-03-31 02:28:58,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1174 states, 755 states have (on average 1.2437086092715233) internal successors, (939), 771 states have internal predecessors, (939), 299 states have call successors, (299), 122 states have call predecessors, (299), 119 states have return successors, (295), 291 states have call predecessors, (295), 295 states have call successors, (295) [2023-03-31 02:28:58,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1174 states to 1174 states and 1533 transitions. [2023-03-31 02:28:58,573 INFO L78 Accepts]: Start accepts. Automaton has 1174 states and 1533 transitions. Word has length 35 [2023-03-31 02:28:58,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 02:28:58,573 INFO L495 AbstractCegarLoop]: Abstraction has 1174 states and 1533 transitions. [2023-03-31 02:28:58,573 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.0) internal successors, (20), 3 states have internal predecessors, (20), 3 states have call successors, (9), 5 states have call predecessors, (9), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-03-31 02:28:58,573 INFO L276 IsEmpty]: Start isEmpty. Operand 1174 states and 1533 transitions. [2023-03-31 02:28:58,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-03-31 02:28:58,574 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 02:28:58,574 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 02:28:58,574 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-03-31 02:28:58,574 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 02:28:58,575 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 02:28:58,575 INFO L85 PathProgramCache]: Analyzing trace with hash -1918563570, now seen corresponding path program 1 times [2023-03-31 02:28:58,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 02:28:58,575 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2106999919] [2023-03-31 02:28:58,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 02:28:58,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 02:28:58,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:28:58,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 02:28:58,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:28:58,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 02:28:58,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:28:58,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 02:28:58,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:28:58,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-03-31 02:28:58,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:28:58,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 02:28:58,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:28:58,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 02:28:58,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:28:58,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 02:28:58,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 02:28:58,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2106999919] [2023-03-31 02:28:58,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2106999919] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 02:28:58,901 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 02:28:58,901 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-03-31 02:28:58,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [161025649] [2023-03-31 02:28:58,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 02:28:58,902 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-03-31 02:28:58,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 02:28:58,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-03-31 02:28:58,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-03-31 02:28:58,905 INFO L87 Difference]: Start difference. First operand 1174 states and 1533 transitions. Second operand has 5 states, 5 states have (on average 4.2) internal successors, (21), 3 states have internal predecessors, (21), 3 states have call successors, (9), 5 states have call predecessors, (9), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-03-31 02:29:02,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 02:29:02,789 INFO L93 Difference]: Finished difference Result 1357 states and 1817 transitions. [2023-03-31 02:29:02,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-03-31 02:29:02,790 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 3 states have internal predecessors, (21), 3 states have call successors, (9), 5 states have call predecessors, (9), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 36 [2023-03-31 02:29:02,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 02:29:02,797 INFO L225 Difference]: With dead ends: 1357 [2023-03-31 02:29:02,798 INFO L226 Difference]: Without dead ends: 1341 [2023-03-31 02:29:02,799 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-03-31 02:29:02,799 INFO L413 NwaCegarLoop]: 84 mSDtfsCounter, 1641 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 1563 mSolverCounterSat, 1034 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1666 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 2597 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1034 IncrementalHoareTripleChecker+Valid, 1563 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2023-03-31 02:29:02,800 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1666 Valid, 120 Invalid, 2597 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1034 Valid, 1563 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2023-03-31 02:29:02,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1341 states. [2023-03-31 02:29:02,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1341 to 1160. [2023-03-31 02:29:02,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1160 states, 748 states have (on average 1.2419786096256684) internal successors, (929), 762 states have internal predecessors, (929), 294 states have call successors, (294), 119 states have call predecessors, (294), 117 states have return successors, (292), 288 states have call predecessors, (292), 292 states have call successors, (292) [2023-03-31 02:29:02,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1160 states to 1160 states and 1515 transitions. [2023-03-31 02:29:02,984 INFO L78 Accepts]: Start accepts. Automaton has 1160 states and 1515 transitions. Word has length 36 [2023-03-31 02:29:02,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 02:29:02,985 INFO L495 AbstractCegarLoop]: Abstraction has 1160 states and 1515 transitions. [2023-03-31 02:29:02,985 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 3 states have internal predecessors, (21), 3 states have call successors, (9), 5 states have call predecessors, (9), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-03-31 02:29:02,985 INFO L276 IsEmpty]: Start isEmpty. Operand 1160 states and 1515 transitions. [2023-03-31 02:29:02,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-03-31 02:29:02,988 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 02:29:02,988 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 02:29:02,989 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-03-31 02:29:02,989 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 02:29:02,990 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 02:29:02,991 INFO L85 PathProgramCache]: Analyzing trace with hash -1780246592, now seen corresponding path program 1 times [2023-03-31 02:29:02,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 02:29:02,991 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [242547846] [2023-03-31 02:29:02,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 02:29:02,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 02:29:03,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:29:03,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 02:29:03,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:29:03,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 02:29:03,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:29:03,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 02:29:03,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:29:03,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-03-31 02:29:03,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:29:03,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 02:29:03,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:29:03,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 02:29:03,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:29:03,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-03-31 02:29:03,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:29:03,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-03-31 02:29:03,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:29:03,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 02:29:03,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:29:03,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 02:29:03,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:29:03,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-03-31 02:29:03,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:29:03,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 02:29:03,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:29:03,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-03-31 02:29:03,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:29:03,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 02:29:03,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:29:03,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-03-31 02:29:03,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:29:03,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-03-31 02:29:03,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:29:03,545 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-03-31 02:29:03,545 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 02:29:03,545 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [242547846] [2023-03-31 02:29:03,546 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [242547846] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 02:29:03,546 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 02:29:03,546 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-03-31 02:29:03,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952228887] [2023-03-31 02:29:03,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 02:29:03,546 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-03-31 02:29:03,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 02:29:03,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-03-31 02:29:03,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-03-31 02:29:03,547 INFO L87 Difference]: Start difference. First operand 1160 states and 1515 transitions. Second operand has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2023-03-31 02:29:08,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 02:29:08,810 INFO L93 Difference]: Finished difference Result 2687 states and 3615 transitions. [2023-03-31 02:29:08,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-03-31 02:29:08,811 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 96 [2023-03-31 02:29:08,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 02:29:08,819 INFO L225 Difference]: With dead ends: 2687 [2023-03-31 02:29:08,819 INFO L226 Difference]: Without dead ends: 1551 [2023-03-31 02:29:08,823 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2023-03-31 02:29:08,823 INFO L413 NwaCegarLoop]: 72 mSDtfsCounter, 2547 mSDsluCounter, 157 mSDsCounter, 0 mSdLazyCounter, 2795 mSolverCounterSat, 1764 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2634 SdHoareTripleChecker+Valid, 229 SdHoareTripleChecker+Invalid, 4559 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1764 IncrementalHoareTripleChecker+Valid, 2795 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2023-03-31 02:29:08,824 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2634 Valid, 229 Invalid, 4559 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1764 Valid, 2795 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2023-03-31 02:29:08,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1551 states. [2023-03-31 02:29:08,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1551 to 1176. [2023-03-31 02:29:08,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1176 states, 760 states have (on average 1.2447368421052631) internal successors, (946), 775 states have internal predecessors, (946), 298 states have call successors, (298), 119 states have call predecessors, (298), 117 states have return successors, (296), 292 states have call predecessors, (296), 296 states have call successors, (296) [2023-03-31 02:29:09,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1176 states to 1176 states and 1540 transitions. [2023-03-31 02:29:09,002 INFO L78 Accepts]: Start accepts. Automaton has 1176 states and 1540 transitions. Word has length 96 [2023-03-31 02:29:09,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 02:29:09,003 INFO L495 AbstractCegarLoop]: Abstraction has 1176 states and 1540 transitions. [2023-03-31 02:29:09,003 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2023-03-31 02:29:09,003 INFO L276 IsEmpty]: Start isEmpty. Operand 1176 states and 1540 transitions. [2023-03-31 02:29:09,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2023-03-31 02:29:09,008 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 02:29:09,008 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 02:29:09,008 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-03-31 02:29:09,008 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 02:29:09,009 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 02:29:09,009 INFO L85 PathProgramCache]: Analyzing trace with hash -1577868502, now seen corresponding path program 1 times [2023-03-31 02:29:09,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 02:29:09,009 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [494222257] [2023-03-31 02:29:09,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 02:29:09,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 02:29:09,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:29:09,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 02:29:09,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:29:09,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 02:29:09,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:29:09,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 02:29:09,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:29:09,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-03-31 02:29:09,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:29:09,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 02:29:09,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:29:09,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 02:29:09,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:29:09,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-03-31 02:29:09,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:29:09,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 02:29:09,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:29:09,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 02:29:09,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:29:09,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-03-31 02:29:09,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:29:09,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-03-31 02:29:09,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:29:09,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-03-31 02:29:09,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:29:09,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-03-31 02:29:09,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:29:09,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 02:29:09,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:29:09,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 02:29:09,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:29:09,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2023-03-31 02:29:09,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:29:09,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 02:29:09,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:29:09,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-03-31 02:29:09,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:29:09,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 02:29:09,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:29:09,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-03-31 02:29:09,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:29:09,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-03-31 02:29:09,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:29:09,692 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-03-31 02:29:09,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 02:29:09,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [494222257] [2023-03-31 02:29:09,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [494222257] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 02:29:09,692 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 02:29:09,692 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-03-31 02:29:09,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [712735700] [2023-03-31 02:29:09,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 02:29:09,694 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-03-31 02:29:09,694 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 02:29:09,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-03-31 02:29:09,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-03-31 02:29:09,695 INFO L87 Difference]: Start difference. First operand 1176 states and 1540 transitions. Second operand has 8 states, 8 states have (on average 9.125) internal successors, (73), 3 states have internal predecessors, (73), 3 states have call successors, (26), 8 states have call predecessors, (26), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2023-03-31 02:29:15,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 02:29:15,542 INFO L93 Difference]: Finished difference Result 1596 states and 2203 transitions. [2023-03-31 02:29:15,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-03-31 02:29:15,543 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.125) internal successors, (73), 3 states have internal predecessors, (73), 3 states have call successors, (26), 8 states have call predecessors, (26), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 127 [2023-03-31 02:29:15,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 02:29:15,544 INFO L225 Difference]: With dead ends: 1596 [2023-03-31 02:29:15,544 INFO L226 Difference]: Without dead ends: 0 [2023-03-31 02:29:15,549 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=85, Invalid=187, Unknown=0, NotChecked=0, Total=272 [2023-03-31 02:29:15,550 INFO L413 NwaCegarLoop]: 68 mSDtfsCounter, 3185 mSDsluCounter, 208 mSDsCounter, 0 mSdLazyCounter, 3320 mSolverCounterSat, 2304 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3248 SdHoareTripleChecker+Valid, 276 SdHoareTripleChecker+Invalid, 5624 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2304 IncrementalHoareTripleChecker+Valid, 3320 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2023-03-31 02:29:15,550 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3248 Valid, 276 Invalid, 5624 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2304 Valid, 3320 Invalid, 0 Unknown, 0 Unchecked, 5.3s Time] [2023-03-31 02:29:15,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-03-31 02:29:15,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-03-31 02:29:15,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-03-31 02:29:15,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-03-31 02:29:15,552 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 127 [2023-03-31 02:29:15,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 02:29:15,552 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-03-31 02:29:15,552 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.125) internal successors, (73), 3 states have internal predecessors, (73), 3 states have call successors, (26), 8 states have call predecessors, (26), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2023-03-31 02:29:15,552 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-03-31 02:29:15,552 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-03-31 02:29:15,555 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-03-31 02:29:15,555 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-03-31 02:29:15,557 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.