java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/ldv-commit-tester/m0_drivers-media-video-cx88-cx8802-ko--32_7a--d47b389.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 02:05:17,743 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 02:05:17,745 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 02:05:17,758 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 02:05:17,758 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 02:05:17,759 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 02:05:17,761 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 02:05:17,763 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 02:05:17,764 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 02:05:17,765 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 02:05:17,766 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 02:05:17,767 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 02:05:17,768 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 02:05:17,769 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 02:05:17,770 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 02:05:17,771 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 02:05:17,771 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 02:05:17,772 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 02:05:17,774 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 02:05:17,776 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 02:05:17,778 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 02:05:17,779 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 02:05:17,780 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 02:05:17,781 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 02:05:17,783 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 02:05:17,784 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 02:05:17,784 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 02:05:17,785 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 02:05:17,785 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 02:05:17,786 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 02:05:17,787 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 02:05:17,787 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 02:05:17,788 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 02:05:17,789 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 02:05:17,790 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 02:05:17,790 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 02:05:17,791 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 02:05:17,791 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 02:05:17,791 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 02:05:17,792 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 02:05:17,793 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 02:05:17,794 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 [2019-10-15 02:05:17,815 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 02:05:17,816 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 02:05:17,817 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 02:05:17,817 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 02:05:17,818 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 02:05:17,818 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 02:05:17,818 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 02:05:17,818 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 02:05:17,818 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 02:05:17,819 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 02:05:17,820 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 02:05:17,820 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 02:05:17,820 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 02:05:17,820 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 02:05:17,821 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 02:05:17,821 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 02:05:17,821 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 02:05:17,821 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 02:05:17,822 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 02:05:17,822 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 02:05:17,822 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 02:05:17,822 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 02:05:17,823 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 02:05:17,823 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 02:05:17,823 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 02:05:17,823 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 02:05:17,823 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 02:05:17,823 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 02:05:17,824 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-15 02:05:18,095 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 02:05:18,108 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 02:05:18,111 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 02:05:18,113 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 02:05:18,113 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 02:05:18,114 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-commit-tester/m0_drivers-media-video-cx88-cx8802-ko--32_7a--d47b389.i [2019-10-15 02:05:18,188 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82c0de9bb/651a71cabef54e5cb8a0bec8a4f3f6f0/FLAG982796b4a [2019-10-15 02:05:18,956 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 02:05:18,959 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-commit-tester/m0_drivers-media-video-cx88-cx8802-ko--32_7a--d47b389.i [2019-10-15 02:05:18,996 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82c0de9bb/651a71cabef54e5cb8a0bec8a4f3f6f0/FLAG982796b4a [2019-10-15 02:05:19,502 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82c0de9bb/651a71cabef54e5cb8a0bec8a4f3f6f0 [2019-10-15 02:05:19,512 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 02:05:19,513 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 02:05:19,514 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 02:05:19,515 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 02:05:19,518 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 02:05:19,519 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 02:05:19" (1/1) ... [2019-10-15 02:05:19,522 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b19b96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:05:19, skipping insertion in model container [2019-10-15 02:05:19,522 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 02:05:19" (1/1) ... [2019-10-15 02:05:19,529 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 02:05:19,660 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 02:05:20,915 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 02:05:20,938 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 02:05:21,315 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 02:05:21,540 INFO L192 MainTranslator]: Completed translation [2019-10-15 02:05:21,540 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:05:21 WrapperNode [2019-10-15 02:05:21,541 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 02:05:21,542 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 02:05:21,542 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 02:05:21,542 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 02:05:21,557 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:05:21" (1/1) ... [2019-10-15 02:05:21,557 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:05:21" (1/1) ... [2019-10-15 02:05:21,643 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:05:21" (1/1) ... [2019-10-15 02:05:21,645 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:05:21" (1/1) ... [2019-10-15 02:05:21,746 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:05:21" (1/1) ... [2019-10-15 02:05:21,760 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:05:21" (1/1) ... [2019-10-15 02:05:21,797 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:05:21" (1/1) ... [2019-10-15 02:05:21,834 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 02:05:21,835 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 02:05:21,835 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 02:05:21,836 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 02:05:21,837 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:05:21" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 02:05:21,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 02:05:21,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 02:05:21,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2019-10-15 02:05:21,919 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-10-15 02:05:21,919 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2019-10-15 02:05:21,920 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2019-10-15 02:05:21,922 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-10-15 02:05:21,922 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2019-10-15 02:05:21,922 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2019-10-15 02:05:21,922 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-10-15 02:05:21,923 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2019-10-15 02:05:21,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-15 02:05:21,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-15 02:05:21,925 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-10-15 02:05:21,925 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-15 02:05:21,925 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-10-15 02:05:21,928 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2019-10-15 02:05:21,928 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2019-10-15 02:05:21,928 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2019-10-15 02:05:21,929 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2019-10-15 02:05:21,929 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_byte [2019-10-15 02:05:21,929 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_supported [2019-10-15 02:05:21,929 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2019-10-15 02:05:21,929 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2019-10-15 02:05:21,930 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2019-10-15 02:05:21,930 INFO L138 BoogieDeclarations]: Found implementation of procedure request_module_async [2019-10-15 02:05:21,930 INFO L138 BoogieDeclarations]: Found implementation of procedure request_modules [2019-10-15 02:05:21,930 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_request_modules [2019-10-15 02:05:21,930 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_start_dma [2019-10-15 02:05:21,930 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_stop_dma [2019-10-15 02:05:21,931 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_restart_queue [2019-10-15 02:05:21,931 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_buf_prepare [2019-10-15 02:05:21,931 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_buf_queue [2019-10-15 02:05:21,931 INFO L138 BoogieDeclarations]: Found implementation of procedure do_cancel_buffers [2019-10-15 02:05:21,931 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_cancel_buffers [2019-10-15 02:05:21,931 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_timeout [2019-10-15 02:05:21,932 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_mpeg_irq [2019-10-15 02:05:21,932 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_irq [2019-10-15 02:05:21,932 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_init_common [2019-10-15 02:05:21,932 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_fini_common [2019-10-15 02:05:21,932 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_suspend_common [2019-10-15 02:05:21,932 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_resume_common [2019-10-15 02:05:21,932 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_get_driver [2019-10-15 02:05:21,933 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_request_acquire [2019-10-15 02:05:21,933 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_request_release [2019-10-15 02:05:21,933 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_check_driver [2019-10-15 02:05:21,933 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_register_driver [2019-10-15 02:05:21,933 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_unregister_driver [2019-10-15 02:05:21,933 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_probe [2019-10-15 02:05:21,933 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_remove [2019-10-15 02:05:21,934 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_init [2019-10-15 02:05:21,934 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_fini [2019-10-15 02:05:21,934 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 02:05:21,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_1 [2019-10-15 02:05:21,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_2 [2019-10-15 02:05:21,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_3 [2019-10-15 02:05:21,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_4 [2019-10-15 02:05:21,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_5 [2019-10-15 02:05:21,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_6 [2019-10-15 02:05:21,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_7 [2019-10-15 02:05:21,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_8 [2019-10-15 02:05:21,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_9 [2019-10-15 02:05:21,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_10 [2019-10-15 02:05:21,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_11 [2019-10-15 02:05:21,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_12 [2019-10-15 02:05:21,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_13 [2019-10-15 02:05:21,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-15 02:05:21,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-15 02:05:21,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock_of_cx88_core [2019-10-15 02:05:21,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock_of_cx88_core [2019-10-15 02:05:21,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_cx88_core [2019-10-15 02:05:21,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock_of_cx88_core [2019-10-15 02:05:21,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock_of_cx88_core [2019-10-15 02:05:21,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock_of_cx88_core [2019-10-15 02:05:21,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_cx88_core [2019-10-15 02:05:21,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock_of_v4l2_ctrl_handler [2019-10-15 02:05:21,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock_of_v4l2_ctrl_handler [2019-10-15 02:05:21,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_v4l2_ctrl_handler [2019-10-15 02:05:21,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock_of_v4l2_ctrl_handler [2019-10-15 02:05:21,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock_of_v4l2_ctrl_handler [2019-10-15 02:05:21,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock_of_v4l2_ctrl_handler [2019-10-15 02:05:21,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_v4l2_ctrl_handler [2019-10-15 02:05:21,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-10-15 02:05:21,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2019-10-15 02:05:21,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2019-10-15 02:05:21,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2019-10-15 02:05:21,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-10-15 02:05:21,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2019-10-15 02:05:21,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2019-10-15 02:05:21,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_vb_lock_of_videobuf_queue [2019-10-15 02:05:21,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_vb_lock_of_videobuf_queue [2019-10-15 02:05:21,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_vb_lock_of_videobuf_queue [2019-10-15 02:05:21,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_vb_lock_of_videobuf_queue [2019-10-15 02:05:21,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_vb_lock_of_videobuf_queue [2019-10-15 02:05:21,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_vb_lock_of_videobuf_queue [2019-10-15 02:05:21,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_vb_lock_of_videobuf_queue [2019-10-15 02:05:21,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-15 02:05:21,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-15 02:05:21,944 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2019-10-15 02:05:21,945 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2019-10-15 02:05:21,945 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2019-10-15 02:05:21,945 INFO L138 BoogieDeclarations]: Found implementation of procedure __pci_register_driver [2019-10-15 02:05:21,945 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-10-15 02:05:21,945 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_module [2019-10-15 02:05:21,945 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2019-10-15 02:05:21,945 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2019-10-15 02:05:21,946 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2019-10-15 02:05:21,946 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2019-10-15 02:05:21,947 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-10-15 02:05:21,947 INFO L138 BoogieDeclarations]: Found implementation of procedure btcx_riscmem_free [2019-10-15 02:05:21,947 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_core_get [2019-10-15 02:05:21,947 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_core_irq [2019-10-15 02:05:21,947 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_core_put [2019-10-15 02:05:21,947 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_free_buffer [2019-10-15 02:05:21,947 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_print_irqbits [2019-10-15 02:05:21,948 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_reset [2019-10-15 02:05:21,948 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_risc_databuffer [2019-10-15 02:05:21,948 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_risc_stopper [2019-10-15 02:05:21,948 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_shutdown [2019-10-15 02:05:21,949 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_sram_channel_dump [2019-10-15 02:05:21,949 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_sram_channel_setup [2019-10-15 02:05:21,949 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_wakeup [2019-10-15 02:05:21,949 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2019-10-15 02:05:21,949 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2019-10-15 02:05:21,950 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-10-15 02:05:21,950 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-10-15 02:05:21,950 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_supported [2019-10-15 02:05:21,951 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_work_sync [2019-10-15 02:05:21,951 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2019-10-15 02:05:21,951 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2019-10-15 02:05:21,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2019-10-15 02:05:21,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value_probe [2019-10-15 02:05:21,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2019-10-15 02:05:21,953 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2019-10-15 02:05:21,955 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2019-10-15 02:05:21,956 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2019-10-15 02:05:21,956 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2019-10-15 02:05:21,956 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2019-10-15 02:05:21,957 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2019-10-15 02:05:21,957 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-10-15 02:05:21,957 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_read_config_byte [2019-10-15 02:05:21,957 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2019-10-15 02:05:21,957 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2019-10-15 02:05:21,958 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2019-10-15 02:05:21,965 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2019-10-15 02:05:21,965 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2019-10-15 02:05:21,965 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2019-10-15 02:05:21,965 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2019-10-15 02:05:21,966 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2019-10-15 02:05:21,966 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-15 02:05:21,966 INFO L138 BoogieDeclarations]: Found implementation of procedure request_threaded_irq [2019-10-15 02:05:21,966 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2019-10-15 02:05:21,966 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_iolock [2019-10-15 02:05:21,966 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_to_dma [2019-10-15 02:05:21,966 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-15 02:05:21,967 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-15 02:05:21,967 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-10-15 02:05:21,967 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 02:05:21,967 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 02:05:21,967 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-15 02:05:21,967 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-15 02:05:21,968 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-10-15 02:05:21,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 02:05:21,968 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2019-10-15 02:05:21,968 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2019-10-15 02:05:21,968 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 02:05:21,968 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2019-10-15 02:05:21,968 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2019-10-15 02:05:21,969 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2019-10-15 02:05:21,969 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2019-10-15 02:05:21,969 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_2 [2019-10-15 02:05:21,969 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-10-15 02:05:21,969 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_3 [2019-10-15 02:05:21,969 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_5 [2019-10-15 02:05:21,969 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_7 [2019-10-15 02:05:21,970 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_9 [2019-10-15 02:05:21,970 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_11 [2019-10-15 02:05:21,970 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_13 [2019-10-15 02:05:21,970 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2019-10-15 02:05:21,970 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_1 [2019-10-15 02:05:21,970 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_4 [2019-10-15 02:05:21,970 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_6 [2019-10-15 02:05:21,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_8 [2019-10-15 02:05:21,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_10 [2019-10-15 02:05:21,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_12 [2019-10-15 02:05:21,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_cx88_core [2019-10-15 02:05:21,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_cx88_core [2019-10-15 02:05:21,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_v4l2_ctrl_handler [2019-10-15 02:05:21,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_v4l2_ctrl_handler [2019-10-15 02:05:21,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2019-10-15 02:05:21,972 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2019-10-15 02:05:21,972 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2019-10-15 02:05:21,972 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_vb_lock_of_videobuf_queue [2019-10-15 02:05:21,972 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_vb_lock_of_videobuf_queue [2019-10-15 02:05:21,972 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-10-15 02:05:21,972 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2019-10-15 02:05:21,972 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2019-10-15 02:05:21,973 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2019-10-15 02:05:21,973 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-10-15 02:05:21,973 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-10-15 02:05:21,973 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2019-10-15 02:05:21,973 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2019-10-15 02:05:21,973 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-10-15 02:05:21,973 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2019-10-15 02:05:21,974 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2019-10-15 02:05:21,974 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2019-10-15 02:05:21,974 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2019-10-15 02:05:21,974 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2019-10-15 02:05:21,974 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2019-10-15 02:05:21,974 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2019-10-15 02:05:21,974 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2019-10-15 02:05:21,975 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2019-10-15 02:05:21,975 INFO L130 BoogieDeclarations]: Found specification of procedure flush_work_sync [2019-10-15 02:05:21,975 INFO L130 BoogieDeclarations]: Found specification of procedure __request_module [2019-10-15 02:05:21,975 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2019-10-15 02:05:21,975 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-15 02:05:21,975 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 02:05:21,975 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-15 02:05:21,976 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 02:05:21,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-15 02:05:21,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-15 02:05:21,976 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 02:05:21,976 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-10-15 02:05:21,976 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-15 02:05:21,976 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-10-15 02:05:21,977 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2019-10-15 02:05:21,977 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-10-15 02:05:21,977 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-10-15 02:05:21,977 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2019-10-15 02:05:21,977 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2019-10-15 02:05:21,977 INFO L130 BoogieDeclarations]: Found specification of procedure dma_supported [2019-10-15 02:05:21,977 INFO L130 BoogieDeclarations]: Found specification of procedure request_threaded_irq [2019-10-15 02:05:21,978 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2019-10-15 02:05:21,978 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2019-10-15 02:05:21,978 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_read_config_byte [2019-10-15 02:05:21,978 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_byte [2019-10-15 02:05:21,978 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 02:05:21,978 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2019-10-15 02:05:21,978 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2019-10-15 02:05:21,978 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2019-10-15 02:05:21,979 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2019-10-15 02:05:21,979 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2019-10-15 02:05:21,979 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2019-10-15 02:05:21,979 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2019-10-15 02:05:21,979 INFO L130 BoogieDeclarations]: Found specification of procedure __pci_register_driver [2019-10-15 02:05:21,979 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2019-10-15 02:05:21,979 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_supported [2019-10-15 02:05:21,979 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2019-10-15 02:05:21,980 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2019-10-15 02:05:21,980 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2019-10-15 02:05:21,980 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_iolock [2019-10-15 02:05:21,980 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_to_dma [2019-10-15 02:05:21,980 INFO L130 BoogieDeclarations]: Found specification of procedure btcx_riscmem_free [2019-10-15 02:05:21,980 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_print_irqbits [2019-10-15 02:05:21,980 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_core_irq [2019-10-15 02:05:21,981 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_wakeup [2019-10-15 02:05:21,981 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_shutdown [2019-10-15 02:05:21,981 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_reset [2019-10-15 02:05:21,981 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_risc_databuffer [2019-10-15 02:05:21,981 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_risc_stopper [2019-10-15 02:05:21,982 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_free_buffer [2019-10-15 02:05:21,986 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_sram_channel_setup [2019-10-15 02:05:21,986 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_sram_channel_dump [2019-10-15 02:05:21,986 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_core_get [2019-10-15 02:05:21,986 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_core_put [2019-10-15 02:05:21,986 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_register_driver [2019-10-15 02:05:21,987 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_unregister_driver [2019-10-15 02:05:21,987 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_get_driver [2019-10-15 02:05:21,987 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_buf_prepare [2019-10-15 02:05:21,987 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_buf_queue [2019-10-15 02:05:21,987 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_cancel_buffers [2019-10-15 02:05:21,987 INFO L130 BoogieDeclarations]: Found specification of procedure request_module_async [2019-10-15 02:05:21,989 INFO L130 BoogieDeclarations]: Found specification of procedure request_modules [2019-10-15 02:05:21,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 02:05:21,990 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 02:05:21,990 INFO L130 BoogieDeclarations]: Found specification of procedure flush_request_modules [2019-10-15 02:05:21,990 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_start_dma [2019-10-15 02:05:21,990 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_stop_dma [2019-10-15 02:05:21,990 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_restart_queue [2019-10-15 02:05:21,990 INFO L130 BoogieDeclarations]: Found specification of procedure do_cancel_buffers [2019-10-15 02:05:21,990 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_timeout [2019-10-15 02:05:21,990 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_mpeg_irq [2019-10-15 02:05:21,991 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_irq [2019-10-15 02:05:21,991 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_init_common [2019-10-15 02:05:21,991 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_fini_common [2019-10-15 02:05:21,991 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_suspend_common [2019-10-15 02:05:21,991 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_resume_common [2019-10-15 02:05:21,991 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_request_acquire [2019-10-15 02:05:21,991 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2019-10-15 02:05:21,991 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_request_release [2019-10-15 02:05:21,992 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_check_driver [2019-10-15 02:05:21,992 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-10-15 02:05:21,992 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_probe [2019-10-15 02:05:21,992 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_remove [2019-10-15 02:05:21,992 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_init [2019-10-15 02:05:21,992 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_fini [2019-10-15 02:05:21,992 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-15 02:05:21,992 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2019-10-15 02:05:21,993 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value_probe [2019-10-15 02:05:21,993 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-15 02:05:21,993 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2019-10-15 02:05:21,993 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 02:05:21,993 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-15 02:05:21,993 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-15 02:05:21,993 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock_of_cx88_core [2019-10-15 02:05:21,993 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock_of_cx88_core [2019-10-15 02:05:21,993 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock_of_cx88_core [2019-10-15 02:05:21,994 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock_of_cx88_core [2019-10-15 02:05:21,994 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock_of_cx88_core [2019-10-15 02:05:21,994 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock_of_v4l2_ctrl_handler [2019-10-15 02:05:21,994 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock_of_v4l2_ctrl_handler [2019-10-15 02:05:21,994 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock_of_v4l2_ctrl_handler [2019-10-15 02:05:21,994 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock_of_v4l2_ctrl_handler [2019-10-15 02:05:21,994 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock_of_v4l2_ctrl_handler [2019-10-15 02:05:21,994 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-10-15 02:05:21,995 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2019-10-15 02:05:21,995 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-10-15 02:05:21,995 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2019-10-15 02:05:21,995 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_vb_lock_of_videobuf_queue [2019-10-15 02:05:21,995 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_vb_lock_of_videobuf_queue [2019-10-15 02:05:21,995 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_vb_lock_of_videobuf_queue [2019-10-15 02:05:21,995 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_vb_lock_of_videobuf_queue [2019-10-15 02:05:21,995 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_vb_lock_of_videobuf_queue [2019-10-15 02:05:21,995 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-15 02:05:21,996 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-15 02:05:21,996 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-10-15 02:05:21,996 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-15 02:05:21,996 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 02:05:21,996 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 02:05:21,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-15 02:05:21,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 02:05:21,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-15 02:05:21,996 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 02:05:21,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-15 02:05:21,997 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-15 02:05:21,997 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-15 02:05:36,606 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 02:05:36,608 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-15 02:05:36,610 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 02:05:36 BoogieIcfgContainer [2019-10-15 02:05:36,610 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 02:05:36,612 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 02:05:36,612 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 02:05:36,616 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 02:05:36,617 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 02:05:19" (1/3) ... [2019-10-15 02:05:36,618 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ea1b1d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 02:05:36, skipping insertion in model container [2019-10-15 02:05:36,618 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:05:21" (2/3) ... [2019-10-15 02:05:36,619 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ea1b1d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 02:05:36, skipping insertion in model container [2019-10-15 02:05:36,619 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 02:05:36" (3/3) ... [2019-10-15 02:05:36,621 INFO L109 eAbstractionObserver]: Analyzing ICFG m0_drivers-media-video-cx88-cx8802-ko--32_7a--d47b389.i [2019-10-15 02:05:36,635 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 02:05:36,650 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 02:05:36,664 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 02:05:36,709 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 02:05:36,709 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 02:05:36,709 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 02:05:36,709 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 02:05:36,709 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 02:05:36,709 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 02:05:36,709 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 02:05:36,710 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 02:05:36,758 INFO L276 IsEmpty]: Start isEmpty. Operand 832 states. [2019-10-15 02:05:36,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-10-15 02:05:36,769 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 02:05:36,770 INFO L380 BasicCegarLoop]: 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] [2019-10-15 02:05:36,774 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 02:05:36,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 02:05:36,781 INFO L82 PathProgramCache]: Analyzing trace with hash -1830226527, now seen corresponding path program 1 times [2019-10-15 02:05:36,791 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 02:05:36,791 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2085511137] [2019-10-15 02:05:36,792 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:05:36,792 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:05:36,792 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 02:05:37,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:05:37,588 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 02:05:37,589 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2085511137] [2019-10-15 02:05:37,590 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 02:05:37,590 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 02:05:37,590 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1790486516] [2019-10-15 02:05:37,595 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 02:05:37,595 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 02:05:37,610 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 02:05:37,610 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 02:05:37,613 INFO L87 Difference]: Start difference. First operand 832 states. Second operand 3 states. [2019-10-15 02:05:40,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 02:05:40,008 INFO L93 Difference]: Finished difference Result 1420 states and 1806 transitions. [2019-10-15 02:05:40,009 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 02:05:40,010 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2019-10-15 02:05:40,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 02:05:40,057 INFO L225 Difference]: With dead ends: 1420 [2019-10-15 02:05:40,057 INFO L226 Difference]: Without dead ends: 794 [2019-10-15 02:05:40,068 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 02:05:40,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 794 states. [2019-10-15 02:05:40,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 794 to 792. [2019-10-15 02:05:40,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 792 states. [2019-10-15 02:05:40,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 792 states to 792 states and 998 transitions. [2019-10-15 02:05:40,236 INFO L78 Accepts]: Start accepts. Automaton has 792 states and 998 transitions. Word has length 24 [2019-10-15 02:05:40,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 02:05:40,237 INFO L462 AbstractCegarLoop]: Abstraction has 792 states and 998 transitions. [2019-10-15 02:05:40,237 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 02:05:40,237 INFO L276 IsEmpty]: Start isEmpty. Operand 792 states and 998 transitions. [2019-10-15 02:05:40,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-10-15 02:05:40,239 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 02:05:40,239 INFO L380 BasicCegarLoop]: 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] [2019-10-15 02:05:40,239 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 02:05:40,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 02:05:40,240 INFO L82 PathProgramCache]: Analyzing trace with hash -903031973, now seen corresponding path program 1 times [2019-10-15 02:05:40,240 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 02:05:40,240 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [945341025] [2019-10-15 02:05:40,240 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:05:40,240 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:05:40,241 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 02:05:40,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:05:40,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 02:05:40,472 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [945341025] [2019-10-15 02:05:40,472 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 02:05:40,472 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 02:05:40,472 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1456649773] [2019-10-15 02:05:40,474 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 02:05:40,475 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 02:05:40,475 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 02:05:40,476 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 02:05:40,476 INFO L87 Difference]: Start difference. First operand 792 states and 998 transitions. Second operand 3 states. [2019-10-15 02:05:42,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 02:05:42,735 INFO L93 Difference]: Finished difference Result 794 states and 999 transitions. [2019-10-15 02:05:42,735 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 02:05:42,735 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2019-10-15 02:05:42,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 02:05:42,742 INFO L225 Difference]: With dead ends: 794 [2019-10-15 02:05:42,742 INFO L226 Difference]: Without dead ends: 791 [2019-10-15 02:05:42,744 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 02:05:42,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 791 states. [2019-10-15 02:05:42,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 791 to 791. [2019-10-15 02:05:42,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 791 states. [2019-10-15 02:05:42,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 791 states to 791 states and 996 transitions. [2019-10-15 02:05:42,796 INFO L78 Accepts]: Start accepts. Automaton has 791 states and 996 transitions. Word has length 25 [2019-10-15 02:05:42,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 02:05:42,797 INFO L462 AbstractCegarLoop]: Abstraction has 791 states and 996 transitions. [2019-10-15 02:05:42,797 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 02:05:42,797 INFO L276 IsEmpty]: Start isEmpty. Operand 791 states and 996 transitions. [2019-10-15 02:05:42,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-10-15 02:05:42,798 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 02:05:42,798 INFO L380 BasicCegarLoop]: 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] [2019-10-15 02:05:42,799 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 02:05:42,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 02:05:42,799 INFO L82 PathProgramCache]: Analyzing trace with hash 2070200292, now seen corresponding path program 1 times [2019-10-15 02:05:42,799 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 02:05:42,799 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [738618201] [2019-10-15 02:05:42,800 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:05:42,800 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:05:42,800 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 02:05:42,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:05:43,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 02:05:43,002 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [738618201] [2019-10-15 02:05:43,002 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 02:05:43,002 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 02:05:43,002 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [853480324] [2019-10-15 02:05:43,003 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 02:05:43,003 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 02:05:43,003 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 02:05:43,004 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 02:05:43,004 INFO L87 Difference]: Start difference. First operand 791 states and 996 transitions. Second operand 3 states. [2019-10-15 02:05:44,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 02:05:44,880 INFO L93 Difference]: Finished difference Result 793 states and 997 transitions. [2019-10-15 02:05:44,880 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 02:05:44,881 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2019-10-15 02:05:44,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 02:05:44,886 INFO L225 Difference]: With dead ends: 793 [2019-10-15 02:05:44,886 INFO L226 Difference]: Without dead ends: 790 [2019-10-15 02:05:44,887 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 02:05:44,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 790 states. [2019-10-15 02:05:44,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 790 to 790. [2019-10-15 02:05:44,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 790 states. [2019-10-15 02:05:44,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 790 states to 790 states and 994 transitions. [2019-10-15 02:05:44,931 INFO L78 Accepts]: Start accepts. Automaton has 790 states and 994 transitions. Word has length 26 [2019-10-15 02:05:44,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 02:05:44,931 INFO L462 AbstractCegarLoop]: Abstraction has 790 states and 994 transitions. [2019-10-15 02:05:44,932 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 02:05:44,932 INFO L276 IsEmpty]: Start isEmpty. Operand 790 states and 994 transitions. [2019-10-15 02:05:44,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-10-15 02:05:44,933 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 02:05:44,933 INFO L380 BasicCegarLoop]: 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] [2019-10-15 02:05:44,933 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 02:05:44,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 02:05:44,933 INFO L82 PathProgramCache]: Analyzing trace with hash -248875138, now seen corresponding path program 1 times [2019-10-15 02:05:44,934 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 02:05:44,934 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1817461436] [2019-10-15 02:05:44,934 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:05:44,934 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:05:44,934 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 02:05:44,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:05:45,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 02:05:45,108 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1817461436] [2019-10-15 02:05:45,108 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 02:05:45,108 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 02:05:45,109 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092459014] [2019-10-15 02:05:45,109 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 02:05:45,109 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 02:05:45,109 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 02:05:45,110 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 02:05:45,110 INFO L87 Difference]: Start difference. First operand 790 states and 994 transitions. Second operand 3 states. [2019-10-15 02:05:47,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 02:05:47,277 INFO L93 Difference]: Finished difference Result 792 states and 995 transitions. [2019-10-15 02:05:47,353 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 02:05:47,354 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 27 [2019-10-15 02:05:47,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 02:05:47,359 INFO L225 Difference]: With dead ends: 792 [2019-10-15 02:05:47,360 INFO L226 Difference]: Without dead ends: 777 [2019-10-15 02:05:47,361 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 02:05:47,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 777 states. [2019-10-15 02:05:47,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 777 to 777. [2019-10-15 02:05:47,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 777 states. [2019-10-15 02:05:47,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 777 states to 777 states and 977 transitions. [2019-10-15 02:05:47,408 INFO L78 Accepts]: Start accepts. Automaton has 777 states and 977 transitions. Word has length 27 [2019-10-15 02:05:47,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 02:05:47,409 INFO L462 AbstractCegarLoop]: Abstraction has 777 states and 977 transitions. [2019-10-15 02:05:47,409 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 02:05:47,409 INFO L276 IsEmpty]: Start isEmpty. Operand 777 states and 977 transitions. [2019-10-15 02:05:47,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2019-10-15 02:05:47,414 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 02:05:47,414 INFO L380 BasicCegarLoop]: 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] [2019-10-15 02:05:47,415 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 02:05:47,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 02:05:47,415 INFO L82 PathProgramCache]: Analyzing trace with hash -1683998898, now seen corresponding path program 1 times [2019-10-15 02:05:47,415 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 02:05:47,415 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1917520134] [2019-10-15 02:05:47,416 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:05:47,416 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:05:47,416 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 02:05:47,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:05:47,637 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-15 02:05:47,637 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1917520134] [2019-10-15 02:05:47,637 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 02:05:47,637 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 02:05:47,637 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1792035457] [2019-10-15 02:05:47,638 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 02:05:47,638 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 02:05:47,638 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 02:05:47,639 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 02:05:47,639 INFO L87 Difference]: Start difference. First operand 777 states and 977 transitions. Second operand 3 states. [2019-10-15 02:05:47,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 02:05:47,729 INFO L93 Difference]: Finished difference Result 1549 states and 1958 transitions. [2019-10-15 02:05:47,730 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 02:05:47,730 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 76 [2019-10-15 02:05:47,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 02:05:47,736 INFO L225 Difference]: With dead ends: 1549 [2019-10-15 02:05:47,736 INFO L226 Difference]: Without dead ends: 790 [2019-10-15 02:05:47,741 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 02:05:47,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 790 states. [2019-10-15 02:05:47,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 790 to 790. [2019-10-15 02:05:47,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 790 states. [2019-10-15 02:05:47,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 790 states to 790 states and 998 transitions. [2019-10-15 02:05:47,795 INFO L78 Accepts]: Start accepts. Automaton has 790 states and 998 transitions. Word has length 76 [2019-10-15 02:05:47,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 02:05:47,796 INFO L462 AbstractCegarLoop]: Abstraction has 790 states and 998 transitions. [2019-10-15 02:05:47,796 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 02:05:47,796 INFO L276 IsEmpty]: Start isEmpty. Operand 790 states and 998 transitions. [2019-10-15 02:05:47,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2019-10-15 02:05:47,802 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 02:05:47,802 INFO L380 BasicCegarLoop]: trace histogram [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] [2019-10-15 02:05:47,802 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 02:05:47,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 02:05:47,803 INFO L82 PathProgramCache]: Analyzing trace with hash -1296046541, now seen corresponding path program 1 times [2019-10-15 02:05:47,803 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 02:05:47,804 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1052175447] [2019-10-15 02:05:47,804 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:05:47,804 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:05:47,804 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 02:05:47,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:05:48,106 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-10-15 02:05:48,106 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1052175447] [2019-10-15 02:05:48,107 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 02:05:48,107 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-15 02:05:48,107 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [390175762] [2019-10-15 02:05:48,108 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-15 02:05:48,108 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 02:05:48,108 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-15 02:05:48,109 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-15 02:05:48,109 INFO L87 Difference]: Start difference. First operand 790 states and 998 transitions. Second operand 5 states. [2019-10-15 02:05:48,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 02:05:48,197 INFO L93 Difference]: Finished difference Result 1568 states and 1985 transitions. [2019-10-15 02:05:48,197 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-15 02:05:48,198 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 101 [2019-10-15 02:05:48,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 02:05:48,203 INFO L225 Difference]: With dead ends: 1568 [2019-10-15 02:05:48,204 INFO L226 Difference]: Without dead ends: 790 [2019-10-15 02:05:48,207 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-15 02:05:48,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 790 states. [2019-10-15 02:05:48,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 790 to 790. [2019-10-15 02:05:48,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 790 states. [2019-10-15 02:05:48,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 790 states to 790 states and 997 transitions. [2019-10-15 02:05:48,261 INFO L78 Accepts]: Start accepts. Automaton has 790 states and 997 transitions. Word has length 101 [2019-10-15 02:05:48,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 02:05:48,262 INFO L462 AbstractCegarLoop]: Abstraction has 790 states and 997 transitions. [2019-10-15 02:05:48,262 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-15 02:05:48,262 INFO L276 IsEmpty]: Start isEmpty. Operand 790 states and 997 transitions. [2019-10-15 02:05:48,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2019-10-15 02:05:48,266 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 02:05:48,267 INFO L380 BasicCegarLoop]: trace histogram [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] [2019-10-15 02:05:48,267 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 02:05:48,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 02:05:48,267 INFO L82 PathProgramCache]: Analyzing trace with hash -1192876626, now seen corresponding path program 1 times [2019-10-15 02:05:48,268 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 02:05:48,268 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1250393366] [2019-10-15 02:05:48,268 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:05:48,268 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:05:48,268 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 02:05:48,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:05:48,583 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-10-15 02:05:48,583 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1250393366] [2019-10-15 02:05:48,584 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 02:05:48,584 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-15 02:05:48,584 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1665738580] [2019-10-15 02:05:48,584 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-15 02:05:48,585 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 02:05:48,585 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-15 02:05:48,585 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-15 02:05:48,586 INFO L87 Difference]: Start difference. First operand 790 states and 997 transitions. Second operand 6 states. [2019-10-15 02:05:48,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 02:05:48,696 INFO L93 Difference]: Finished difference Result 1571 states and 1987 transitions. [2019-10-15 02:05:48,697 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-15 02:05:48,697 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 107 [2019-10-15 02:05:48,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 02:05:48,702 INFO L225 Difference]: With dead ends: 1571 [2019-10-15 02:05:48,703 INFO L226 Difference]: Without dead ends: 790 [2019-10-15 02:05:48,706 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-10-15 02:05:48,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 790 states. [2019-10-15 02:05:48,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 790 to 790. [2019-10-15 02:05:48,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 790 states. [2019-10-15 02:05:48,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 790 states to 790 states and 996 transitions. [2019-10-15 02:05:48,752 INFO L78 Accepts]: Start accepts. Automaton has 790 states and 996 transitions. Word has length 107 [2019-10-15 02:05:48,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 02:05:48,752 INFO L462 AbstractCegarLoop]: Abstraction has 790 states and 996 transitions. [2019-10-15 02:05:48,752 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-15 02:05:48,752 INFO L276 IsEmpty]: Start isEmpty. Operand 790 states and 996 transitions. [2019-10-15 02:05:48,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2019-10-15 02:05:48,759 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 02:05:48,759 INFO L380 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1] [2019-10-15 02:05:48,760 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 02:05:48,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 02:05:48,760 INFO L82 PathProgramCache]: Analyzing trace with hash -1617345646, now seen corresponding path program 1 times [2019-10-15 02:05:48,760 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 02:05:48,761 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [762282905] [2019-10-15 02:05:48,761 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:05:48,761 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:05:48,761 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 02:05:48,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:05:49,092 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-10-15 02:05:49,093 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [762282905] [2019-10-15 02:05:49,094 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 02:05:49,094 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-15 02:05:49,094 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [746455905] [2019-10-15 02:05:49,095 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-15 02:05:49,095 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 02:05:49,095 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-15 02:05:49,096 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-15 02:05:49,096 INFO L87 Difference]: Start difference. First operand 790 states and 996 transitions. Second operand 6 states. [2019-10-15 02:05:49,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 02:05:49,206 INFO L93 Difference]: Finished difference Result 1571 states and 1985 transitions. [2019-10-15 02:05:49,206 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-15 02:05:49,207 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 126 [2019-10-15 02:05:49,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 02:05:49,214 INFO L225 Difference]: With dead ends: 1571 [2019-10-15 02:05:49,214 INFO L226 Difference]: Without dead ends: 790 [2019-10-15 02:05:49,218 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-10-15 02:05:49,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 790 states. [2019-10-15 02:05:49,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 790 to 790. [2019-10-15 02:05:49,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 790 states. [2019-10-15 02:05:49,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 790 states to 790 states and 995 transitions. [2019-10-15 02:05:49,266 INFO L78 Accepts]: Start accepts. Automaton has 790 states and 995 transitions. Word has length 126 [2019-10-15 02:05:49,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 02:05:49,267 INFO L462 AbstractCegarLoop]: Abstraction has 790 states and 995 transitions. [2019-10-15 02:05:49,267 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-15 02:05:49,267 INFO L276 IsEmpty]: Start isEmpty. Operand 790 states and 995 transitions. [2019-10-15 02:05:49,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2019-10-15 02:05:49,272 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 02:05:49,272 INFO L380 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 02:05:49,272 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 02:05:49,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 02:05:49,273 INFO L82 PathProgramCache]: Analyzing trace with hash -372988328, now seen corresponding path program 1 times [2019-10-15 02:05:49,273 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 02:05:49,273 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2140976414] [2019-10-15 02:05:49,273 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:05:49,273 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:05:49,274 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 02:05:49,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:05:49,609 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-10-15 02:05:49,609 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2140976414] [2019-10-15 02:05:49,609 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 02:05:49,610 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-15 02:05:49,610 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [847211564] [2019-10-15 02:05:49,610 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-15 02:05:49,611 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 02:05:49,611 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-15 02:05:49,611 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-15 02:05:49,611 INFO L87 Difference]: Start difference. First operand 790 states and 995 transitions. Second operand 8 states. [2019-10-15 02:05:49,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 02:05:49,787 INFO L93 Difference]: Finished difference Result 1576 states and 1991 transitions. [2019-10-15 02:05:49,787 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-15 02:05:49,787 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 140 [2019-10-15 02:05:49,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 02:05:49,794 INFO L225 Difference]: With dead ends: 1576 [2019-10-15 02:05:49,794 INFO L226 Difference]: Without dead ends: 790 [2019-10-15 02:05:49,798 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2019-10-15 02:05:49,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 790 states. [2019-10-15 02:05:49,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 790 to 790. [2019-10-15 02:05:49,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 790 states. [2019-10-15 02:05:49,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 790 states to 790 states and 993 transitions. [2019-10-15 02:05:49,845 INFO L78 Accepts]: Start accepts. Automaton has 790 states and 993 transitions. Word has length 140 [2019-10-15 02:05:49,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 02:05:49,846 INFO L462 AbstractCegarLoop]: Abstraction has 790 states and 993 transitions. [2019-10-15 02:05:49,846 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-15 02:05:49,846 INFO L276 IsEmpty]: Start isEmpty. Operand 790 states and 993 transitions. [2019-10-15 02:05:49,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2019-10-15 02:05:49,852 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 02:05:49,853 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 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, 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] [2019-10-15 02:05:49,853 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 02:05:49,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 02:05:49,853 INFO L82 PathProgramCache]: Analyzing trace with hash -1065142245, now seen corresponding path program 1 times [2019-10-15 02:05:49,854 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 02:05:49,855 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [172697556] [2019-10-15 02:05:49,855 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:05:49,855 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:05:49,855 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 02:05:50,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:05:50,369 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-10-15 02:05:50,369 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [172697556] [2019-10-15 02:05:50,369 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 02:05:50,369 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-15 02:05:50,375 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797625986] [2019-10-15 02:05:50,377 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-15 02:05:50,377 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 02:05:50,377 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-15 02:05:50,378 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-15 02:05:50,378 INFO L87 Difference]: Start difference. First operand 790 states and 993 transitions. Second operand 8 states. [2019-10-15 02:05:50,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 02:05:50,573 INFO L93 Difference]: Finished difference Result 1576 states and 1987 transitions. [2019-10-15 02:05:50,573 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-15 02:05:50,574 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 210 [2019-10-15 02:05:50,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 02:05:50,580 INFO L225 Difference]: With dead ends: 1576 [2019-10-15 02:05:50,580 INFO L226 Difference]: Without dead ends: 790 [2019-10-15 02:05:50,584 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2019-10-15 02:05:50,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 790 states. [2019-10-15 02:05:50,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 790 to 790. [2019-10-15 02:05:50,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 790 states. [2019-10-15 02:05:50,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 790 states to 790 states and 992 transitions. [2019-10-15 02:05:50,631 INFO L78 Accepts]: Start accepts. Automaton has 790 states and 992 transitions. Word has length 210 [2019-10-15 02:05:50,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 02:05:50,633 INFO L462 AbstractCegarLoop]: Abstraction has 790 states and 992 transitions. [2019-10-15 02:05:50,634 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-15 02:05:50,634 INFO L276 IsEmpty]: Start isEmpty. Operand 790 states and 992 transitions. [2019-10-15 02:05:50,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2019-10-15 02:05:50,639 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 02:05:50,640 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 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, 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] [2019-10-15 02:05:50,640 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 02:05:50,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 02:05:50,640 INFO L82 PathProgramCache]: Analyzing trace with hash 286954509, now seen corresponding path program 1 times [2019-10-15 02:05:50,641 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 02:05:50,641 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [48257879] [2019-10-15 02:05:50,641 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:05:50,641 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:05:50,642 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 02:05:50,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:05:51,064 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-10-15 02:05:51,065 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [48257879] [2019-10-15 02:05:51,065 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 02:05:51,065 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-15 02:05:51,066 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [257102301] [2019-10-15 02:05:51,066 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-15 02:05:51,066 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 02:05:51,067 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-15 02:05:51,067 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-15 02:05:51,067 INFO L87 Difference]: Start difference. First operand 790 states and 992 transitions. Second operand 5 states. [2019-10-15 02:05:51,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 02:05:51,136 INFO L93 Difference]: Finished difference Result 1558 states and 1960 transitions. [2019-10-15 02:05:51,136 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-15 02:05:51,137 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 226 [2019-10-15 02:05:51,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 02:05:51,142 INFO L225 Difference]: With dead ends: 1558 [2019-10-15 02:05:51,142 INFO L226 Difference]: Without dead ends: 786 [2019-10-15 02:05:51,145 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-15 02:05:51,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 786 states. [2019-10-15 02:05:51,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 786 to 786. [2019-10-15 02:05:51,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 786 states. [2019-10-15 02:05:51,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 786 states to 786 states and 985 transitions. [2019-10-15 02:05:51,185 INFO L78 Accepts]: Start accepts. Automaton has 786 states and 985 transitions. Word has length 226 [2019-10-15 02:05:51,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 02:05:51,185 INFO L462 AbstractCegarLoop]: Abstraction has 786 states and 985 transitions. [2019-10-15 02:05:51,186 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-15 02:05:51,186 INFO L276 IsEmpty]: Start isEmpty. Operand 786 states and 985 transitions. [2019-10-15 02:05:51,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2019-10-15 02:05:51,190 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 02:05:51,191 INFO L380 BasicCegarLoop]: trace histogram [4, 2, 2, 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, 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] [2019-10-15 02:05:51,191 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 02:05:51,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 02:05:51,191 INFO L82 PathProgramCache]: Analyzing trace with hash -1921592564, now seen corresponding path program 1 times [2019-10-15 02:05:51,191 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 02:05:51,192 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1724557313] [2019-10-15 02:05:51,192 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:05:51,192 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:05:51,192 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 02:05:51,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:05:51,948 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-10-15 02:05:51,948 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1724557313] [2019-10-15 02:05:51,948 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 02:05:51,949 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-10-15 02:05:51,949 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824089344] [2019-10-15 02:05:51,950 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-15 02:05:51,950 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 02:05:51,951 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-15 02:05:51,951 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2019-10-15 02:05:51,951 INFO L87 Difference]: Start difference. First operand 786 states and 985 transitions. Second operand 11 states. [2019-10-15 02:05:52,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 02:05:52,109 INFO L93 Difference]: Finished difference Result 1564 states and 1962 transitions. [2019-10-15 02:05:52,110 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-10-15 02:05:52,111 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 247 [2019-10-15 02:05:52,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 02:05:52,117 INFO L225 Difference]: With dead ends: 1564 [2019-10-15 02:05:52,117 INFO L226 Difference]: Without dead ends: 786 [2019-10-15 02:05:52,122 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2019-10-15 02:05:52,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 786 states. [2019-10-15 02:05:52,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 786 to 786. [2019-10-15 02:05:52,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 786 states. [2019-10-15 02:05:52,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 786 states to 786 states and 984 transitions. [2019-10-15 02:05:52,163 INFO L78 Accepts]: Start accepts. Automaton has 786 states and 984 transitions. Word has length 247 [2019-10-15 02:05:52,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 02:05:52,163 INFO L462 AbstractCegarLoop]: Abstraction has 786 states and 984 transitions. [2019-10-15 02:05:52,164 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-15 02:05:52,164 INFO L276 IsEmpty]: Start isEmpty. Operand 786 states and 984 transitions. [2019-10-15 02:05:52,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2019-10-15 02:05:52,168 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 02:05:52,169 INFO L380 BasicCegarLoop]: trace histogram [4, 2, 2, 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, 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, 1, 1, 1] [2019-10-15 02:05:52,169 INFO L410 AbstractCegarLoop]: === Iteration 13 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 02:05:52,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 02:05:52,169 INFO L82 PathProgramCache]: Analyzing trace with hash -1980305080, now seen corresponding path program 1 times [2019-10-15 02:05:52,170 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 02:05:52,170 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [731703977] [2019-10-15 02:05:52,170 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:05:52,170 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:05:52,170 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 02:05:53,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:05:54,162 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-10-15 02:05:54,162 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [731703977] [2019-10-15 02:05:54,162 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 02:05:54,163 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 02:05:54,163 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2045941089] [2019-10-15 02:05:54,164 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 02:05:54,164 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 02:05:54,165 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 02:05:54,165 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 02:05:54,165 INFO L87 Difference]: Start difference. First operand 786 states and 984 transitions. Second operand 3 states.