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-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--md--dm-multipath.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 22:45:10,783 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 22:45:10,787 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 22:45:10,809 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 22:45:10,809 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 22:45:10,812 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 22:45:10,815 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 22:45:10,825 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 22:45:10,830 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 22:45:10,833 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 22:45:10,835 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 22:45:10,836 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 22:45:10,837 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 22:45:10,839 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 22:45:10,841 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 22:45:10,842 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 22:45:10,844 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 22:45:10,846 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 22:45:10,847 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 22:45:10,852 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 22:45:10,857 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 22:45:10,860 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 22:45:10,862 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 22:45:10,863 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 22:45:10,865 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 22:45:10,865 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 22:45:10,866 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 22:45:10,867 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 22:45:10,868 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 22:45:10,870 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 22:45:10,871 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 22:45:10,872 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 22:45:10,872 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 22:45:10,873 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 22:45:10,875 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 22:45:10,876 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 22:45:10,876 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 22:45:10,877 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 22:45:10,877 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 22:45:10,878 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 22:45:10,879 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 22:45:10,881 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 [2019-10-13 22:45:10,918 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 22:45:10,918 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 22:45:10,919 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 22:45:10,920 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 22:45:10,920 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 22:45:10,922 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 22:45:10,923 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 22:45:10,923 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 22:45:10,923 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 22:45:10,923 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 22:45:10,923 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 22:45:10,924 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 22:45:10,924 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 22:45:10,924 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 22:45:10,924 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 22:45:10,924 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 22:45:10,924 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 22:45:10,925 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 22:45:10,925 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 22:45:10,925 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 22:45:10,925 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 22:45:10,926 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 22:45:10,926 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 22:45:10,926 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 22:45:10,927 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 22:45:10,927 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 22:45:10,927 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 22:45:10,928 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 22:45:10,928 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 [2019-10-13 22:45:11,248 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 22:45:11,270 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 22:45:11,275 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 22:45:11,276 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 22:45:11,277 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 22:45:11,278 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--md--dm-multipath.ko-entry_point.cil.out.i [2019-10-13 22:45:11,360 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c8faa10e0/182338f9bb8a43ffb4c266ee36d1ce69/FLAGabe9bf633 [2019-10-13 22:45:12,278 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 22:45:12,278 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--md--dm-multipath.ko-entry_point.cil.out.i [2019-10-13 22:45:12,340 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c8faa10e0/182338f9bb8a43ffb4c266ee36d1ce69/FLAGabe9bf633 [2019-10-13 22:45:12,692 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c8faa10e0/182338f9bb8a43ffb4c266ee36d1ce69 [2019-10-13 22:45:12,701 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 22:45:12,702 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 22:45:12,703 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 22:45:12,704 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 22:45:12,707 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 22:45:12,708 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 10:45:12" (1/1) ... [2019-10-13 22:45:12,711 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f98678f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:45:12, skipping insertion in model container [2019-10-13 22:45:12,711 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 10:45:12" (1/1) ... [2019-10-13 22:45:12,720 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 22:45:12,878 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 22:45:15,263 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 22:45:15,324 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 22:45:15,928 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 22:45:16,327 INFO L192 MainTranslator]: Completed translation [2019-10-13 22:45:16,328 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:45:16 WrapperNode [2019-10-13 22:45:16,328 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 22:45:16,329 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 22:45:16,329 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 22:45:16,329 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 22:45:16,350 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:45:16" (1/1) ... [2019-10-13 22:45:16,351 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:45:16" (1/1) ... [2019-10-13 22:45:16,476 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:45:16" (1/1) ... [2019-10-13 22:45:16,477 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:45:16" (1/1) ... [2019-10-13 22:45:16,637 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:45:16" (1/1) ... [2019-10-13 22:45:16,673 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:45:16" (1/1) ... [2019-10-13 22:45:16,712 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:45:16" (1/1) ... [2019-10-13 22:45:16,751 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 22:45:16,751 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 22:45:16,752 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 22:45:16,752 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 22:45:16,753 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:45:16" (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 [2019-10-13 22:45:16,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 22:45:16,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 22:45:16,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-10-13 22:45:16,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~$Pointer$ [2019-10-13 22:45:16,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2019-10-13 22:45:16,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~int [2019-10-13 22:45:16,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~X~$Pointer$~TO~int [2019-10-13 22:45:16,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2019-10-13 22:45:16,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-10-13 22:45:16,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2019-10-13 22:45:16,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~status_type_t~0~X~$Pointer$~X~int~TO~int [2019-10-13 22:45:16,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~sector_t~0~X~~sector_t~0~X~$Pointer$~TO~int [2019-10-13 22:45:16,846 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2019-10-13 22:45:16,846 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-10-13 22:45:16,846 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-13 22:45:16,846 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-10-13 22:45:16,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-13 22:45:16,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-13 22:45:16,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2019-10-13 22:45:16,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2019-10-13 22:45:16,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-13 22:45:16,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-13 22:45:16,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-13 22:45:16,851 INFO L138 BoogieDeclarations]: Found implementation of procedure __find_path_selector_type [2019-10-13 22:45:16,851 INFO L138 BoogieDeclarations]: Found implementation of procedure get_path_selector [2019-10-13 22:45:16,851 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_get_path_selector [2019-10-13 22:45:16,852 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_put_path_selector [2019-10-13 22:45:16,852 INFO L138 BoogieDeclarations]: Found implementation of procedure _alloc_path_selector [2019-10-13 22:45:16,852 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_register_path_selector [2019-10-13 22:45:16,852 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_unregister_path_selector [2019-10-13 22:45:16,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_5 [2019-10-13 22:45:16,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_6 [2019-10-13 22:45:16,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_7 [2019-10-13 22:45:16,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_8 [2019-10-13 22:45:16,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_9 [2019-10-13 22:45:16,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get_10 [2019-10-13 22:45:16,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_11 [2019-10-13 22:45:16,854 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2019-10-13 22:45:16,854 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-10-13 22:45:16,854 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2019-10-13 22:45:16,854 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2019-10-13 22:45:16,854 INFO L138 BoogieDeclarations]: Found implementation of procedure test_ti_thread_flag [2019-10-13 22:45:16,854 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-10-13 22:45:16,855 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2019-10-13 22:45:16,855 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2019-10-13 22:45:16,855 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-10-13 22:45:16,855 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2019-10-13 22:45:16,855 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2019-10-13 22:45:16,856 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2019-10-13 22:45:16,856 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2019-10-13 22:45:16,856 INFO L138 BoogieDeclarations]: Found implementation of procedure sigismember [2019-10-13 22:45:16,856 INFO L138 BoogieDeclarations]: Found implementation of procedure io_schedule [2019-10-13 22:45:16,856 INFO L138 BoogieDeclarations]: Found implementation of procedure test_tsk_thread_flag [2019-10-13 22:45:16,856 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2019-10-13 22:45:16,857 INFO L138 BoogieDeclarations]: Found implementation of procedure __fatal_signal_pending [2019-10-13 22:45:16,857 INFO L138 BoogieDeclarations]: Found implementation of procedure fatal_signal_pending [2019-10-13 22:45:16,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-13 22:45:16,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-13 22:45:16,858 INFO L138 BoogieDeclarations]: Found implementation of procedure i_size_read [2019-10-13 22:45:16,858 INFO L138 BoogieDeclarations]: Found implementation of procedure mempool_create_slab_pool [2019-10-13 22:45:16,858 INFO L138 BoogieDeclarations]: Found implementation of procedure bdev_get_queue [2019-10-13 22:45:16,859 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_rq_bytes [2019-10-13 22:45:16,859 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pgpath [2019-10-13 22:45:16,859 INFO L138 BoogieDeclarations]: Found implementation of procedure free_pgpath [2019-10-13 22:45:16,859 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_priority_group [2019-10-13 22:45:16,859 INFO L138 BoogieDeclarations]: Found implementation of procedure free_pgpaths [2019-10-13 22:45:16,860 INFO L138 BoogieDeclarations]: Found implementation of procedure free_priority_group [2019-10-13 22:45:16,860 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_multipath [2019-10-13 22:45:16,860 INFO L138 BoogieDeclarations]: Found implementation of procedure free_multipath [2019-10-13 22:45:16,860 INFO L138 BoogieDeclarations]: Found implementation of procedure set_mapinfo [2019-10-13 22:45:16,860 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_mapinfo [2019-10-13 22:45:16,860 INFO L138 BoogieDeclarations]: Found implementation of procedure __pg_init_all_paths [2019-10-13 22:45:16,861 INFO L138 BoogieDeclarations]: Found implementation of procedure __switch_pg [2019-10-13 22:45:16,861 INFO L138 BoogieDeclarations]: Found implementation of procedure __choose_path_in_pg [2019-10-13 22:45:16,861 INFO L138 BoogieDeclarations]: Found implementation of procedure __choose_pgpath [2019-10-13 22:45:16,862 INFO L138 BoogieDeclarations]: Found implementation of procedure __must_push_back [2019-10-13 22:45:16,862 INFO L138 BoogieDeclarations]: Found implementation of procedure __multipath_map [2019-10-13 22:45:16,862 INFO L138 BoogieDeclarations]: Found implementation of procedure multipath_map [2019-10-13 22:45:16,862 INFO L138 BoogieDeclarations]: Found implementation of procedure multipath_clone_and_map [2019-10-13 22:45:16,862 INFO L138 BoogieDeclarations]: Found implementation of procedure multipath_release_clone [2019-10-13 22:45:16,863 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_if_no_path [2019-10-13 22:45:16,863 INFO L138 BoogieDeclarations]: Found implementation of procedure trigger_event [2019-10-13 22:45:16,863 INFO L138 BoogieDeclarations]: Found implementation of procedure parse_path_selector [2019-10-13 22:45:16,864 INFO L138 BoogieDeclarations]: Found implementation of procedure parse_path [2019-10-13 22:45:16,864 INFO L138 BoogieDeclarations]: Found implementation of procedure parse_priority_group [2019-10-13 22:45:16,864 INFO L138 BoogieDeclarations]: Found implementation of procedure parse_hw_handler [2019-10-13 22:45:16,864 INFO L138 BoogieDeclarations]: Found implementation of procedure parse_features [2019-10-13 22:45:16,865 INFO L138 BoogieDeclarations]: Found implementation of procedure multipath_ctr [2019-10-13 22:45:16,865 INFO L138 BoogieDeclarations]: Found implementation of procedure multipath_wait_for_pg_init_completion [2019-10-13 22:45:16,866 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_multipath_work [2019-10-13 22:45:16,866 INFO L138 BoogieDeclarations]: Found implementation of procedure multipath_dtr [2019-10-13 22:45:16,866 INFO L138 BoogieDeclarations]: Found implementation of procedure fail_path [2019-10-13 22:45:16,866 INFO L138 BoogieDeclarations]: Found implementation of procedure reinstate_path [2019-10-13 22:45:16,866 INFO L138 BoogieDeclarations]: Found implementation of procedure action_dev [2019-10-13 22:45:16,866 INFO L138 BoogieDeclarations]: Found implementation of procedure bypass_pg [2019-10-13 22:45:16,866 INFO L138 BoogieDeclarations]: Found implementation of procedure switch_pg_num [2019-10-13 22:45:16,867 INFO L138 BoogieDeclarations]: Found implementation of procedure bypass_pg_num [2019-10-13 22:45:16,867 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_init_limit_reached [2019-10-13 22:45:16,867 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_init_done [2019-10-13 22:45:16,867 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_path [2019-10-13 22:45:16,867 INFO L138 BoogieDeclarations]: Found implementation of procedure noretry_error [2019-10-13 22:45:16,867 INFO L138 BoogieDeclarations]: Found implementation of procedure do_end_io [2019-10-13 22:45:16,867 INFO L138 BoogieDeclarations]: Found implementation of procedure multipath_end_io [2019-10-13 22:45:16,868 INFO L138 BoogieDeclarations]: Found implementation of procedure multipath_presuspend [2019-10-13 22:45:16,868 INFO L138 BoogieDeclarations]: Found implementation of procedure multipath_postsuspend [2019-10-13 22:45:16,868 INFO L138 BoogieDeclarations]: Found implementation of procedure multipath_resume [2019-10-13 22:45:16,868 INFO L138 BoogieDeclarations]: Found implementation of procedure multipath_status [2019-10-13 22:45:16,868 INFO L138 BoogieDeclarations]: Found implementation of procedure multipath_message [2019-10-13 22:45:16,868 INFO L138 BoogieDeclarations]: Found implementation of procedure multipath_ioctl [2019-10-13 22:45:16,868 INFO L138 BoogieDeclarations]: Found implementation of procedure multipath_iterate_devices [2019-10-13 22:45:16,869 INFO L138 BoogieDeclarations]: Found implementation of procedure __pgpath_busy [2019-10-13 22:45:16,869 INFO L138 BoogieDeclarations]: Found implementation of procedure multipath_busy [2019-10-13 22:45:16,869 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_multipath_init [2019-10-13 22:45:16,869 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_multipath_exit [2019-10-13 22:45:16,869 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_1 [2019-10-13 22:45:16,869 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_2 [2019-10-13 22:45:16,870 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_1 [2019-10-13 22:45:16,870 INFO L138 BoogieDeclarations]: Found implementation of procedure work_init_2 [2019-10-13 22:45:16,870 INFO L138 BoogieDeclarations]: Found implementation of procedure work_init_1 [2019-10-13 22:45:16,870 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_2 [2019-10-13 22:45:16,871 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_1 [2019-10-13 22:45:16,871 INFO L138 BoogieDeclarations]: Found implementation of procedure invoke_work_1 [2019-10-13 22:45:16,871 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_2 [2019-10-13 22:45:16,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_target_type_3 [2019-10-13 22:45:16,872 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2019-10-13 22:45:16,872 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_2 [2019-10-13 22:45:16,872 INFO L138 BoogieDeclarations]: Found implementation of procedure invoke_work_2 [2019-10-13 22:45:16,872 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 22:45:16,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2019-10-13 22:45:16,873 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2019-10-13 22:45:16,873 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2019-10-13 22:45:16,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_21 [2019-10-13 22:45:16,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_22 [2019-10-13 22:45:16,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_23 [2019-10-13 22:45:16,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_24 [2019-10-13 22:45:16,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_25 [2019-10-13 22:45:16,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_26 [2019-10-13 22:45:16,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_27 [2019-10-13 22:45:16,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_work_28 [2019-10-13 22:45:16,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_workqueue_29 [2019-10-13 22:45:16,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_workqueue_30 [2019-10-13 22:45:16,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_workqueue_31 [2019-10-13 22:45:16,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-13 22:45:16,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-13 22:45:16,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-10-13 22:45:16,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-10-13 22:45:16,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-10-13 22:45:16,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_get [2019-10-13 22:45:16,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get [2019-10-13 22:45:16,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2019-10-13 22:45:16,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_and_exit [2019-10-13 22:45:16,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_refcount [2019-10-13 22:45:16,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-13 22:45:16,888 INFO L138 BoogieDeclarations]: Found implementation of procedure __alloc_workqueue_key [2019-10-13 22:45:16,888 INFO L138 BoogieDeclarations]: Found implementation of procedure __blkdev_driver_ioctl [2019-10-13 22:45:16,888 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2019-10-13 22:45:16,888 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2019-10-13 22:45:16,889 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2019-10-13 22:45:16,889 INFO L138 BoogieDeclarations]: Found implementation of procedure __msecs_to_jiffies [2019-10-13 22:45:16,889 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2019-10-13 22:45:16,889 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-10-13 22:45:16,889 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_module [2019-10-13 22:45:16,889 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2019-10-13 22:45:16,889 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irq [2019-10-13 22:45:16,890 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2019-10-13 22:45:16,890 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irq [2019-10-13 22:45:16,890 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-10-13 22:45:16,890 INFO L138 BoogieDeclarations]: Found implementation of procedure add_wait_queue [2019-10-13 22:45:16,890 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_get_request [2019-10-13 22:45:16,890 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_lld_busy [2019-10-13 22:45:16,890 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_put_request [2019-10-13 22:45:16,890 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2019-10-13 22:45:16,890 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_consume_args [2019-10-13 22:45:16,891 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_get_device [2019-10-13 22:45:16,891 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_get_reserved_rq_based_ios [2019-10-13 22:45:16,891 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_noflush_suspending [2019-10-13 22:45:16,891 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_path_uevent [2019-10-13 22:45:16,891 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_put_device [2019-10-13 22:45:16,891 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_read_arg [2019-10-13 22:45:16,891 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_read_arg_group [2019-10-13 22:45:16,892 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_register_target [2019-10-13 22:45:16,892 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_shift_arg [2019-10-13 22:45:16,892 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_suspended [2019-10-13 22:45:16,892 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_table_event [2019-10-13 22:45:16,892 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_table_get_mode [2019-10-13 22:45:16,892 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_table_run_md_queue_async [2019-10-13 22:45:16,892 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_unregister_target [2019-10-13 22:45:16,892 INFO L138 BoogieDeclarations]: Found implementation of procedure down_read [2019-10-13 22:45:16,893 INFO L138 BoogieDeclarations]: Found implementation of procedure down_write [2019-10-13 22:45:16,893 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_work [2019-10-13 22:45:16,893 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2019-10-13 22:45:16,893 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2019-10-13 22:45:16,893 INFO L138 BoogieDeclarations]: Found implementation of procedure io_schedule_timeout [2019-10-13 22:45:16,893 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_create [2019-10-13 22:45:16,893 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_destroy [2019-10-13 22:45:16,893 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrdup [2019-10-13 22:45:16,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-13 22:45:16,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_preresume_3 [2019-10-13 22:45:16,894 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2019-10-13 22:45:16,894 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2019-10-13 22:45:16,894 INFO L138 BoogieDeclarations]: Found implementation of procedure mempool_alloc [2019-10-13 22:45:16,894 INFO L138 BoogieDeclarations]: Found implementation of procedure mempool_create [2019-10-13 22:45:16,894 INFO L138 BoogieDeclarations]: Found implementation of procedure mempool_destroy [2019-10-13 22:45:16,894 INFO L138 BoogieDeclarations]: Found implementation of procedure mempool_free [2019-10-13 22:45:16,895 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2019-10-13 22:45:16,895 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-10-13 22:45:16,895 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-13 22:45:16,895 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2019-10-13 22:45:16,895 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2019-10-13 22:45:16,895 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_wait_queue [2019-10-13 22:45:16,895 INFO L138 BoogieDeclarations]: Found implementation of procedure scnprintf [2019-10-13 22:45:16,895 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_dh_activate [2019-10-13 22:45:16,896 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_dh_attach [2019-10-13 22:45:16,896 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_dh_attached_handler_name [2019-10-13 22:45:16,896 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_dh_detach [2019-10-13 22:45:16,896 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_dh_handler_exist [2019-10-13 22:45:16,896 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_dh_set_params [2019-10-13 22:45:16,896 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_verify_blk_ioctl [2019-10-13 22:45:16,896 INFO L138 BoogieDeclarations]: Found implementation of procedure strcasecmp [2019-10-13 22:45:16,897 INFO L138 BoogieDeclarations]: Found implementation of procedure up_read [2019-10-13 22:45:16,897 INFO L138 BoogieDeclarations]: Found implementation of procedure up_write [2019-10-13 22:45:16,897 INFO L138 BoogieDeclarations]: Found implementation of procedure default_wake_function [2019-10-13 22:45:16,897 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-13 22:45:16,897 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-13 22:45:16,897 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-13 22:45:16,897 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-13 22:45:16,898 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 22:45:16,898 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2019-10-13 22:45:16,898 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2019-10-13 22:45:16,898 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 22:45:16,898 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2019-10-13 22:45:16,898 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-13 22:45:16,898 INFO L130 BoogieDeclarations]: Found specification of procedure strcmp [2019-10-13 22:45:16,898 INFO L130 BoogieDeclarations]: Found specification of procedure down_read [2019-10-13 22:45:16,899 INFO L130 BoogieDeclarations]: Found specification of procedure down_write [2019-10-13 22:45:16,899 INFO L130 BoogieDeclarations]: Found specification of procedure up_read [2019-10-13 22:45:16,899 INFO L130 BoogieDeclarations]: Found specification of procedure up_write [2019-10-13 22:45:16,899 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2019-10-13 22:45:16,899 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_5 [2019-10-13 22:45:16,899 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_7 [2019-10-13 22:45:16,899 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2019-10-13 22:45:16,899 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_6 [2019-10-13 22:45:16,899 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_9 [2019-10-13 22:45:16,900 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2019-10-13 22:45:16,900 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_8 [2019-10-13 22:45:16,900 INFO L130 BoogieDeclarations]: Found specification of procedure __request_module [2019-10-13 22:45:16,900 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get_10 [2019-10-13 22:45:16,900 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_11 [2019-10-13 22:45:16,900 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get [2019-10-13 22:45:16,900 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2019-10-13 22:45:16,901 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-13 22:45:16,901 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-13 22:45:16,901 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-10-13 22:45:16,901 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-13 22:45:16,901 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-10-13 22:45:16,901 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 22:45:16,901 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-13 22:45:16,902 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 22:45:16,902 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-13 22:45:16,902 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-13 22:45:16,903 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-13 22:45:16,906 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 22:45:16,907 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-13 22:45:16,907 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-13 22:45:16,907 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2019-10-13 22:45:16,907 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2019-10-13 22:45:16,907 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-13 22:45:16,907 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-13 22:45:16,907 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-13 22:45:16,908 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-13 22:45:16,908 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_1 [2019-10-13 22:45:16,908 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2019-10-13 22:45:16,910 INFO L130 BoogieDeclarations]: Found specification of procedure dm_register_path_selector [2019-10-13 22:45:16,911 INFO L130 BoogieDeclarations]: Found specification of procedure dm_unregister_path_selector [2019-10-13 22:45:16,911 INFO L130 BoogieDeclarations]: Found specification of procedure dm_get_path_selector [2019-10-13 22:45:16,911 INFO L130 BoogieDeclarations]: Found specification of procedure dm_put_path_selector [2019-10-13 22:45:16,911 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 22:45:16,911 INFO L130 BoogieDeclarations]: Found specification of procedure __find_path_selector_type [2019-10-13 22:45:16,911 INFO L130 BoogieDeclarations]: Found specification of procedure get_path_selector [2019-10-13 22:45:16,911 INFO L130 BoogieDeclarations]: Found specification of procedure _alloc_path_selector [2019-10-13 22:45:16,911 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 22:45:16,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 22:45:16,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 22:45:16,912 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-13 22:45:16,912 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2019-10-13 22:45:16,912 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-13 22:45:16,912 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2019-10-13 22:45:16,912 INFO L130 BoogieDeclarations]: Found specification of procedure scnprintf [2019-10-13 22:45:16,912 INFO L130 BoogieDeclarations]: Found specification of procedure sscanf [2019-10-13 22:45:16,912 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-13 22:45:16,913 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-10-13 22:45:16,913 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-10-13 22:45:16,913 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-10-13 22:45:16,913 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2019-10-13 22:45:16,913 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2019-10-13 22:45:16,913 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2019-10-13 22:45:16,913 INFO L130 BoogieDeclarations]: Found specification of procedure strlen [2019-10-13 22:45:16,913 INFO L130 BoogieDeclarations]: Found specification of procedure strcasecmp [2019-10-13 22:45:16,913 INFO L130 BoogieDeclarations]: Found specification of procedure kstrdup [2019-10-13 22:45:16,914 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2019-10-13 22:45:16,914 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2019-10-13 22:45:16,914 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2019-10-13 22:45:16,914 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2019-10-13 22:45:16,914 INFO L130 BoogieDeclarations]: Found specification of procedure test_ti_thread_flag [2019-10-13 22:45:16,914 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2019-10-13 22:45:16,914 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-10-13 22:45:16,914 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irq [2019-10-13 22:45:16,914 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2019-10-13 22:45:16,915 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irq [2019-10-13 22:45:16,915 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-10-13 22:45:16,915 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-10-13 22:45:16,915 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2019-10-13 22:45:16,915 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2019-10-13 22:45:16,915 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-10-13 22:45:16,915 INFO L130 BoogieDeclarations]: Found specification of procedure default_wake_function [2019-10-13 22:45:16,915 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2019-10-13 22:45:16,915 INFO L130 BoogieDeclarations]: Found specification of procedure add_wait_queue [2019-10-13 22:45:16,916 INFO L130 BoogieDeclarations]: Found specification of procedure remove_wait_queue [2019-10-13 22:45:16,916 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2019-10-13 22:45:16,916 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2019-10-13 22:45:16,916 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2019-10-13 22:45:16,916 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-10-13 22:45:16,916 INFO L130 BoogieDeclarations]: Found specification of procedure __msecs_to_jiffies [2019-10-13 22:45:16,916 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2019-10-13 22:45:16,916 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2019-10-13 22:45:16,917 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2019-10-13 22:45:16,917 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2019-10-13 22:45:16,917 INFO L130 BoogieDeclarations]: Found specification of procedure __alloc_workqueue_key [2019-10-13 22:45:16,917 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2019-10-13 22:45:16,917 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_workqueue_29 [2019-10-13 22:45:16,917 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_workqueue_30 [2019-10-13 22:45:16,917 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_workqueue_31 [2019-10-13 22:45:16,917 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_21 [2019-10-13 22:45:16,917 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_23 [2019-10-13 22:45:16,918 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_22 [2019-10-13 22:45:16,918 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_25 [2019-10-13 22:45:16,918 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_24 [2019-10-13 22:45:16,919 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_26 [2019-10-13 22:45:16,919 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_27 [2019-10-13 22:45:16,919 INFO L130 BoogieDeclarations]: Found specification of procedure flush_work [2019-10-13 22:45:16,919 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_work_28 [2019-10-13 22:45:16,919 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2019-10-13 22:45:16,920 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2019-10-13 22:45:16,920 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2019-10-13 22:45:16,920 INFO L130 BoogieDeclarations]: Found specification of procedure sigismember [2019-10-13 22:45:16,920 INFO L130 BoogieDeclarations]: Found specification of procedure io_schedule_timeout [2019-10-13 22:45:16,920 INFO L130 BoogieDeclarations]: Found specification of procedure io_schedule [2019-10-13 22:45:16,920 INFO L130 BoogieDeclarations]: Found specification of procedure test_tsk_thread_flag [2019-10-13 22:45:16,920 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2019-10-13 22:45:16,920 INFO L130 BoogieDeclarations]: Found specification of procedure __fatal_signal_pending [2019-10-13 22:45:16,920 INFO L130 BoogieDeclarations]: Found specification of procedure fatal_signal_pending [2019-10-13 22:45:16,921 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_create [2019-10-13 22:45:16,921 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_destroy [2019-10-13 22:45:16,921 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-13 22:45:16,921 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_1 [2019-10-13 22:45:16,921 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_2 [2019-10-13 22:45:16,921 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_1 [2019-10-13 22:45:16,921 INFO L130 BoogieDeclarations]: Found specification of procedure work_init_2 [2019-10-13 22:45:16,921 INFO L130 BoogieDeclarations]: Found specification of procedure work_init_1 [2019-10-13 22:45:16,922 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_2 [2019-10-13 22:45:16,922 INFO L130 BoogieDeclarations]: Found specification of procedure invoke_work_1 [2019-10-13 22:45:16,922 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_2 [2019-10-13 22:45:16,922 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_target_type_3 [2019-10-13 22:45:16,922 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_2 [2019-10-13 22:45:16,922 INFO L130 BoogieDeclarations]: Found specification of procedure invoke_work_2 [2019-10-13 22:45:16,922 INFO L130 BoogieDeclarations]: Found specification of procedure i_size_read [2019-10-13 22:45:16,922 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_create [2019-10-13 22:45:16,922 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_destroy [2019-10-13 22:45:16,923 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_alloc [2019-10-13 22:45:16,923 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_free [2019-10-13 22:45:16,923 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_alloc_slab [2019-10-13 22:45:16,923 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_free_slab [2019-10-13 22:45:16,923 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_create_slab_pool [2019-10-13 22:45:16,923 INFO L130 BoogieDeclarations]: Found specification of procedure blk_put_request [2019-10-13 22:45:16,923 INFO L130 BoogieDeclarations]: Found specification of procedure blk_get_request [2019-10-13 22:45:16,923 INFO L130 BoogieDeclarations]: Found specification of procedure blk_lld_busy [2019-10-13 22:45:16,924 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_verify_blk_ioctl [2019-10-13 22:45:16,924 INFO L130 BoogieDeclarations]: Found specification of procedure bdev_get_queue [2019-10-13 22:45:16,924 INFO L130 BoogieDeclarations]: Found specification of procedure blk_rq_bytes [2019-10-13 22:45:16,924 INFO L130 BoogieDeclarations]: Found specification of procedure __blkdev_driver_ioctl [2019-10-13 22:45:16,924 INFO L130 BoogieDeclarations]: Found specification of procedure dm_get_device [2019-10-13 22:45:16,924 INFO L130 BoogieDeclarations]: Found specification of procedure dm_put_device [2019-10-13 22:45:16,924 INFO L130 BoogieDeclarations]: Found specification of procedure dm_register_target [2019-10-13 22:45:16,924 INFO L130 BoogieDeclarations]: Found specification of procedure dm_unregister_target [2019-10-13 22:45:16,925 INFO L130 BoogieDeclarations]: Found specification of procedure dm_read_arg [2019-10-13 22:45:16,925 INFO L130 BoogieDeclarations]: Found specification of procedure dm_read_arg_group [2019-10-13 22:45:16,925 INFO L130 BoogieDeclarations]: Found specification of procedure dm_shift_arg [2019-10-13 22:45:16,925 INFO L130 BoogieDeclarations]: Found specification of procedure dm_consume_args [2019-10-13 22:45:16,925 INFO L130 BoogieDeclarations]: Found specification of procedure dm_suspended [2019-10-13 22:45:16,925 INFO L130 BoogieDeclarations]: Found specification of procedure dm_noflush_suspending [2019-10-13 22:45:16,925 INFO L130 BoogieDeclarations]: Found specification of procedure dm_table_get_mode [2019-10-13 22:45:16,926 INFO L130 BoogieDeclarations]: Found specification of procedure dm_table_event [2019-10-13 22:45:16,926 INFO L130 BoogieDeclarations]: Found specification of procedure dm_table_run_md_queue_async [2019-10-13 22:45:16,926 INFO L130 BoogieDeclarations]: Found specification of procedure dm_get_reserved_rq_based_ios [2019-10-13 22:45:16,926 INFO L130 BoogieDeclarations]: Found specification of procedure dm_path_uevent [2019-10-13 22:45:16,927 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_dh_activate [2019-10-13 22:45:16,927 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_dh_handler_exist [2019-10-13 22:45:16,927 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_dh_attach [2019-10-13 22:45:16,927 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_dh_detach [2019-10-13 22:45:16,928 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_dh_attached_handler_name [2019-10-13 22:45:16,928 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_dh_set_params [2019-10-13 22:45:16,928 INFO L130 BoogieDeclarations]: Found specification of procedure trigger_event [2019-10-13 22:45:16,928 INFO L130 BoogieDeclarations]: Found specification of procedure activate_path [2019-10-13 22:45:16,928 INFO L130 BoogieDeclarations]: Found specification of procedure __pgpath_busy [2019-10-13 22:45:16,928 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pgpath [2019-10-13 22:45:16,928 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 22:45:16,928 INFO L130 BoogieDeclarations]: Found specification of procedure free_pgpath [2019-10-13 22:45:16,929 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_priority_group [2019-10-13 22:45:16,929 INFO L130 BoogieDeclarations]: Found specification of procedure free_pgpaths [2019-10-13 22:45:16,929 INFO L130 BoogieDeclarations]: Found specification of procedure free_priority_group [2019-10-13 22:45:16,929 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-10-13 22:45:16,929 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_multipath [2019-10-13 22:45:16,929 INFO L130 BoogieDeclarations]: Found specification of procedure free_multipath [2019-10-13 22:45:16,929 INFO L130 BoogieDeclarations]: Found specification of procedure set_mapinfo [2019-10-13 22:45:16,929 INFO L130 BoogieDeclarations]: Found specification of procedure clear_mapinfo [2019-10-13 22:45:16,929 INFO L130 BoogieDeclarations]: Found specification of procedure __pg_init_all_paths [2019-10-13 22:45:16,930 INFO L130 BoogieDeclarations]: Found specification of procedure __switch_pg [2019-10-13 22:45:16,930 INFO L130 BoogieDeclarations]: Found specification of procedure __choose_path_in_pg [2019-10-13 22:45:16,930 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~$Pointer$ [2019-10-13 22:45:16,930 INFO L130 BoogieDeclarations]: Found specification of procedure __choose_pgpath [2019-10-13 22:45:16,930 INFO L130 BoogieDeclarations]: Found specification of procedure __must_push_back [2019-10-13 22:45:16,930 INFO L130 BoogieDeclarations]: Found specification of procedure __multipath_map [2019-10-13 22:45:16,930 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2019-10-13 22:45:16,930 INFO L130 BoogieDeclarations]: Found specification of procedure multipath_map [2019-10-13 22:45:16,930 INFO L130 BoogieDeclarations]: Found specification of procedure multipath_clone_and_map [2019-10-13 22:45:16,931 INFO L130 BoogieDeclarations]: Found specification of procedure multipath_release_clone [2019-10-13 22:45:16,931 INFO L130 BoogieDeclarations]: Found specification of procedure queue_if_no_path [2019-10-13 22:45:16,931 INFO L130 BoogieDeclarations]: Found specification of procedure parse_path_selector [2019-10-13 22:45:16,931 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~int [2019-10-13 22:45:16,931 INFO L130 BoogieDeclarations]: Found specification of procedure parse_path [2019-10-13 22:45:16,931 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~X~$Pointer$~TO~int [2019-10-13 22:45:16,931 INFO L130 BoogieDeclarations]: Found specification of procedure parse_priority_group [2019-10-13 22:45:16,931 INFO L130 BoogieDeclarations]: Found specification of procedure parse_hw_handler [2019-10-13 22:45:16,931 INFO L130 BoogieDeclarations]: Found specification of procedure parse_features [2019-10-13 22:45:16,932 INFO L130 BoogieDeclarations]: Found specification of procedure multipath_ctr [2019-10-13 22:45:16,932 INFO L130 BoogieDeclarations]: Found specification of procedure multipath_wait_for_pg_init_completion [2019-10-13 22:45:16,932 INFO L130 BoogieDeclarations]: Found specification of procedure flush_multipath_work [2019-10-13 22:45:16,932 INFO L130 BoogieDeclarations]: Found specification of procedure multipath_dtr [2019-10-13 22:45:16,932 INFO L130 BoogieDeclarations]: Found specification of procedure fail_path [2019-10-13 22:45:16,932 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2019-10-13 22:45:16,932 INFO L130 BoogieDeclarations]: Found specification of procedure reinstate_path [2019-10-13 22:45:16,932 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-10-13 22:45:16,933 INFO L130 BoogieDeclarations]: Found specification of procedure action_dev [2019-10-13 22:45:16,933 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2019-10-13 22:45:16,933 INFO L130 BoogieDeclarations]: Found specification of procedure bypass_pg [2019-10-13 22:45:16,933 INFO L130 BoogieDeclarations]: Found specification of procedure switch_pg_num [2019-10-13 22:45:16,933 INFO L130 BoogieDeclarations]: Found specification of procedure bypass_pg_num [2019-10-13 22:45:16,933 INFO L130 BoogieDeclarations]: Found specification of procedure pg_init_limit_reached [2019-10-13 22:45:16,933 INFO L130 BoogieDeclarations]: Found specification of procedure pg_init_done [2019-10-13 22:45:16,933 INFO L130 BoogieDeclarations]: Found specification of procedure noretry_error [2019-10-13 22:45:16,933 INFO L130 BoogieDeclarations]: Found specification of procedure do_end_io [2019-10-13 22:45:16,934 INFO L130 BoogieDeclarations]: Found specification of procedure multipath_end_io [2019-10-13 22:45:16,934 INFO L130 BoogieDeclarations]: Found specification of procedure multipath_presuspend [2019-10-13 22:45:16,934 INFO L130 BoogieDeclarations]: Found specification of procedure multipath_postsuspend [2019-10-13 22:45:16,934 INFO L130 BoogieDeclarations]: Found specification of procedure multipath_resume [2019-10-13 22:45:16,934 INFO L130 BoogieDeclarations]: Found specification of procedure multipath_status [2019-10-13 22:45:16,934 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~status_type_t~0~X~$Pointer$~X~int~TO~int [2019-10-13 22:45:16,934 INFO L130 BoogieDeclarations]: Found specification of procedure multipath_message [2019-10-13 22:45:16,934 INFO L130 BoogieDeclarations]: Found specification of procedure multipath_ioctl [2019-10-13 22:45:16,935 INFO L130 BoogieDeclarations]: Found specification of procedure multipath_iterate_devices [2019-10-13 22:45:16,935 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~sector_t~0~X~~sector_t~0~X~$Pointer$~TO~int [2019-10-13 22:45:16,935 INFO L130 BoogieDeclarations]: Found specification of procedure multipath_busy [2019-10-13 22:45:16,935 INFO L130 BoogieDeclarations]: Found specification of procedure dm_multipath_init [2019-10-13 22:45:16,935 INFO L130 BoogieDeclarations]: Found specification of procedure dm_multipath_exit [2019-10-13 22:45:16,935 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-13 22:45:16,935 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-13 22:45:16,935 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_preresume_3 [2019-10-13 22:45:16,935 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 22:45:16,936 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-13 22:45:16,936 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-10-13 22:45:16,936 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_get [2019-10-13 22:45:16,936 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_and_exit [2019-10-13 22:45:16,936 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_refcount [2019-10-13 22:45:16,936 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-13 22:45:16,936 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-10-13 22:45:16,936 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-10-13 22:45:16,936 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-10-13 22:45:16,937 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 22:45:16,937 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 22:45:16,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-13 22:45:16,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 22:45:16,937 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 22:45:18,189 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-13 22:45:24,771 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_module_put_and_exitFINAL: assume true; [2019-10-13 22:45:34,456 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 22:45:34,456 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-13 22:45:34,459 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 10:45:34 BoogieIcfgContainer [2019-10-13 22:45:34,459 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 22:45:34,460 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 22:45:34,461 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 22:45:34,464 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 22:45:34,464 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 10:45:12" (1/3) ... [2019-10-13 22:45:34,465 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7aca83b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 10:45:34, skipping insertion in model container [2019-10-13 22:45:34,465 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:45:16" (2/3) ... [2019-10-13 22:45:34,466 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7aca83b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 10:45:34, skipping insertion in model container [2019-10-13 22:45:34,466 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 10:45:34" (3/3) ... [2019-10-13 22:45:34,467 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--md--dm-multipath.ko-entry_point.cil.out.i [2019-10-13 22:45:34,476 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 22:45:34,486 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 22:45:34,497 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 22:45:34,541 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 22:45:34,542 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 22:45:34,542 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 22:45:34,542 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 22:45:34,542 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 22:45:34,542 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 22:45:34,542 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 22:45:34,542 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 22:45:34,596 INFO L276 IsEmpty]: Start isEmpty. Operand 1761 states. [2019-10-13 22:45:34,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2019-10-13 22:45:34,624 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:45:34,626 INFO L380 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 22:45:34,629 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:45:34,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:45:34,635 INFO L82 PathProgramCache]: Analyzing trace with hash -903480340, now seen corresponding path program 1 times [2019-10-13 22:45:34,645 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:45:34,645 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2026407766] [2019-10-13 22:45:34,645 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:45:34,645 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:45:34,646 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:45:35,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:45:35,899 INFO L134 CoverageAnalysis]: Checked inductivity of 648 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 648 trivial. 0 not checked. [2019-10-13 22:45:35,900 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2026407766] [2019-10-13 22:45:35,901 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:45:35,902 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 22:45:35,902 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953461161] [2019-10-13 22:45:35,908 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 22:45:35,909 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:45:35,924 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 22:45:35,925 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 22:45:35,931 INFO L87 Difference]: Start difference. First operand 1761 states. Second operand 3 states. [2019-10-13 22:45:36,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:45:36,285 INFO L93 Difference]: Finished difference Result 4963 states and 6764 transitions. [2019-10-13 22:45:36,286 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 22:45:36,287 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 220 [2019-10-13 22:45:36,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:45:36,338 INFO L225 Difference]: With dead ends: 4963 [2019-10-13 22:45:36,339 INFO L226 Difference]: Without dead ends: 3286 [2019-10-13 22:45:36,359 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 22:45:36,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3286 states. [2019-10-13 22:45:36,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3286 to 3279. [2019-10-13 22:45:36,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3279 states. [2019-10-13 22:45:36,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3279 states to 3279 states and 4436 transitions. [2019-10-13 22:45:36,691 INFO L78 Accepts]: Start accepts. Automaton has 3279 states and 4436 transitions. Word has length 220 [2019-10-13 22:45:36,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:45:36,693 INFO L462 AbstractCegarLoop]: Abstraction has 3279 states and 4436 transitions. [2019-10-13 22:45:36,693 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 22:45:36,693 INFO L276 IsEmpty]: Start isEmpty. Operand 3279 states and 4436 transitions. [2019-10-13 22:45:36,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2019-10-13 22:45:36,708 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:45:36,708 INFO L380 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 22:45:36,709 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:45:36,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:45:36,709 INFO L82 PathProgramCache]: Analyzing trace with hash 932183022, now seen corresponding path program 1 times [2019-10-13 22:45:36,709 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:45:36,710 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [371856778] [2019-10-13 22:45:36,710 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:45:36,710 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:45:36,710 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:45:36,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:45:37,275 INFO L134 CoverageAnalysis]: Checked inductivity of 648 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 648 trivial. 0 not checked. [2019-10-13 22:45:37,276 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [371856778] [2019-10-13 22:45:37,276 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:45:37,276 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 22:45:37,276 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731406627] [2019-10-13 22:45:37,280 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 22:45:37,280 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:45:37,281 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 22:45:37,281 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 22:45:37,281 INFO L87 Difference]: Start difference. First operand 3279 states and 4436 transitions. Second operand 3 states. [2019-10-13 22:45:38,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:45:38,004 INFO L93 Difference]: Finished difference Result 7080 states and 9545 transitions. [2019-10-13 22:45:38,004 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 22:45:38,004 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 305 [2019-10-13 22:45:38,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:45:38,032 INFO L225 Difference]: With dead ends: 7080 [2019-10-13 22:45:38,033 INFO L226 Difference]: Without dead ends: 3863 [2019-10-13 22:45:38,057 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 [2019-10-13 22:45:38,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3863 states. [2019-10-13 22:45:38,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3863 to 3857. [2019-10-13 22:45:38,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3857 states. [2019-10-13 22:45:38,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3857 states to 3857 states and 5185 transitions. [2019-10-13 22:45:38,358 INFO L78 Accepts]: Start accepts. Automaton has 3857 states and 5185 transitions. Word has length 305 [2019-10-13 22:45:38,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:45:38,359 INFO L462 AbstractCegarLoop]: Abstraction has 3857 states and 5185 transitions. [2019-10-13 22:45:38,359 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 22:45:38,360 INFO L276 IsEmpty]: Start isEmpty. Operand 3857 states and 5185 transitions. [2019-10-13 22:45:38,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 340 [2019-10-13 22:45:38,377 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:45:38,378 INFO L380 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 9, 9, 9, 9, 9, 9, 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] [2019-10-13 22:45:38,378 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:45:38,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:45:38,379 INFO L82 PathProgramCache]: Analyzing trace with hash 80888008, now seen corresponding path program 1 times [2019-10-13 22:45:38,379 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:45:38,380 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1879331760] [2019-10-13 22:45:38,380 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:45:38,380 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:45:38,381 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:45:38,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:45:39,277 INFO L134 CoverageAnalysis]: Checked inductivity of 723 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 720 trivial. 0 not checked. [2019-10-13 22:45:39,277 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1879331760] [2019-10-13 22:45:39,278 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:45:39,278 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-13 22:45:39,278 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [987621735] [2019-10-13 22:45:39,280 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 22:45:39,280 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:45:39,280 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 22:45:39,280 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-13 22:45:39,281 INFO L87 Difference]: Start difference. First operand 3857 states and 5185 transitions. Second operand 5 states. [2019-10-13 22:45:41,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:45:41,777 INFO L93 Difference]: Finished difference Result 7668 states and 10309 transitions. [2019-10-13 22:45:41,777 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-13 22:45:41,777 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 339 [2019-10-13 22:45:41,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:45:41,806 INFO L225 Difference]: With dead ends: 7668 [2019-10-13 22:45:41,807 INFO L226 Difference]: Without dead ends: 3872 [2019-10-13 22:45:41,828 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 [2019-10-13 22:45:41,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3872 states. [2019-10-13 22:45:42,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3872 to 3864. [2019-10-13 22:45:42,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3864 states. [2019-10-13 22:45:42,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3864 states to 3864 states and 5190 transitions. [2019-10-13 22:45:42,827 INFO L78 Accepts]: Start accepts. Automaton has 3864 states and 5190 transitions. Word has length 339 [2019-10-13 22:45:42,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:45:42,828 INFO L462 AbstractCegarLoop]: Abstraction has 3864 states and 5190 transitions. [2019-10-13 22:45:42,828 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-13 22:45:42,828 INFO L276 IsEmpty]: Start isEmpty. Operand 3864 states and 5190 transitions. [2019-10-13 22:45:42,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2019-10-13 22:45:42,842 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:45:42,842 INFO L380 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 9, 9, 9, 9, 9, 9, 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] [2019-10-13 22:45:42,843 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:45:42,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:45:42,843 INFO L82 PathProgramCache]: Analyzing trace with hash -2026972563, now seen corresponding path program 1 times [2019-10-13 22:45:42,843 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:45:42,844 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1354099580] [2019-10-13 22:45:42,844 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:45:42,844 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:45:42,844 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:45:43,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:45:43,663 INFO L134 CoverageAnalysis]: Checked inductivity of 723 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 723 trivial. 0 not checked. [2019-10-13 22:45:43,663 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1354099580] [2019-10-13 22:45:43,663 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:45:43,664 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-13 22:45:43,664 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [241575124] [2019-10-13 22:45:43,665 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-13 22:45:43,665 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:45:43,665 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-13 22:45:43,665 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-13 22:45:43,666 INFO L87 Difference]: Start difference. First operand 3864 states and 5190 transitions. Second operand 4 states. [2019-10-13 22:45:43,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:45:43,895 INFO L93 Difference]: Finished difference Result 7679 states and 10374 transitions. [2019-10-13 22:45:43,895 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-13 22:45:43,895 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 346 [2019-10-13 22:45:43,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:45:43,923 INFO L225 Difference]: With dead ends: 7679 [2019-10-13 22:45:43,924 INFO L226 Difference]: Without dead ends: 3886 [2019-10-13 22:45:43,941 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-10-13 22:45:43,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3886 states. [2019-10-13 22:45:44,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3886 to 3886. [2019-10-13 22:45:44,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3886 states. [2019-10-13 22:45:44,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3886 states to 3886 states and 5220 transitions. [2019-10-13 22:45:44,113 INFO L78 Accepts]: Start accepts. Automaton has 3886 states and 5220 transitions. Word has length 346 [2019-10-13 22:45:44,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:45:44,114 INFO L462 AbstractCegarLoop]: Abstraction has 3886 states and 5220 transitions. [2019-10-13 22:45:44,115 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-13 22:45:44,115 INFO L276 IsEmpty]: Start isEmpty. Operand 3886 states and 5220 transitions. [2019-10-13 22:45:44,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 351 [2019-10-13 22:45:44,129 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:45:44,129 INFO L380 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 9, 9, 9, 9, 9, 9, 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] [2019-10-13 22:45:44,130 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:45:44,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:45:44,130 INFO L82 PathProgramCache]: Analyzing trace with hash -1117427197, now seen corresponding path program 1 times [2019-10-13 22:45:44,130 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:45:44,131 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2136855583] [2019-10-13 22:45:44,131 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:45:44,131 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:45:44,131 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:45:44,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat