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-consumption/32_7a_cilled_linux-3.8-rc1-drivers--vfio--pci--vfio-pci.ko-main.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 02:09:14,922 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 02:09:14,924 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 02:09:14,936 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 02:09:14,937 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 02:09:14,938 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 02:09:14,939 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 02:09:14,941 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 02:09:14,943 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 02:09:14,943 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 02:09:14,944 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 02:09:14,945 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 02:09:14,946 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 02:09:14,947 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 02:09:14,948 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 02:09:14,949 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 02:09:14,949 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 02:09:14,950 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 02:09:14,952 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 02:09:14,954 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 02:09:14,955 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 02:09:14,956 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 02:09:14,957 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 02:09:14,958 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 02:09:14,960 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 02:09:14,961 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 02:09:14,961 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 02:09:14,962 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 02:09:14,962 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 02:09:14,963 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 02:09:14,963 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 02:09:14,964 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 02:09:14,965 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 02:09:14,965 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 02:09:14,966 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 02:09:14,966 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 02:09:14,967 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 02:09:14,967 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 02:09:14,967 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 02:09:14,968 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 02:09:14,969 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 02:09:14,970 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-15 02:09:14,985 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 02:09:14,985 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 02:09:14,987 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 02:09:14,987 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 02:09:14,987 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 02:09:14,987 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 02:09:14,987 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 02:09:14,988 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 02:09:14,988 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 02:09:14,988 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 02:09:14,988 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 02:09:14,988 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 02:09:14,989 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 02:09:14,989 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 02:09:14,989 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 02:09:14,989 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 02:09:14,989 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 02:09:14,990 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 02:09:14,990 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 02:09:14,990 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 02:09:14,990 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 02:09:14,990 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 02:09:14,991 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 02:09:14,991 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 02:09:14,991 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 02:09:14,991 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 02:09:14,991 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 02:09:14,992 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 02:09:14,992 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-15 02:09:15,288 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 02:09:15,301 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 02:09:15,305 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 02:09:15,306 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 02:09:15,307 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 02:09:15,307 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--vfio--pci--vfio-pci.ko-main.cil.out.i [2019-10-15 02:09:15,386 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/75677a12c/5e1f5c3e92ca4c009aca93295b81da57/FLAG39f7ab4fd [2019-10-15 02:09:16,208 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 02:09:16,209 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--vfio--pci--vfio-pci.ko-main.cil.out.i [2019-10-15 02:09:16,266 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/75677a12c/5e1f5c3e92ca4c009aca93295b81da57/FLAG39f7ab4fd [2019-10-15 02:09:16,691 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/75677a12c/5e1f5c3e92ca4c009aca93295b81da57 [2019-10-15 02:09:16,702 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 02:09:16,704 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 02:09:16,705 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 02:09:16,705 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 02:09:16,711 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 02:09:16,712 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 02:09:16" (1/1) ... [2019-10-15 02:09:16,715 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@795d070c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:09:16, skipping insertion in model container [2019-10-15 02:09:16,715 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 02:09:16" (1/1) ... [2019-10-15 02:09:16,724 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 02:09:16,866 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 02:09:19,128 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 02:09:19,207 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 02:09:19,740 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 02:09:20,265 INFO L192 MainTranslator]: Completed translation [2019-10-15 02:09:20,266 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:09:20 WrapperNode [2019-10-15 02:09:20,267 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 02:09:20,268 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 02:09:20,268 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 02:09:20,268 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 02:09:20,286 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:09:20" (1/1) ... [2019-10-15 02:09:20,286 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:09:20" (1/1) ... [2019-10-15 02:09:20,385 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:09:20" (1/1) ... [2019-10-15 02:09:20,385 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:09:20" (1/1) ... [2019-10-15 02:09:20,520 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:09:20" (1/1) ... [2019-10-15 02:09:20,554 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:09:20" (1/1) ... [2019-10-15 02:09:20,595 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:09:20" (1/1) ... [2019-10-15 02:09:20,630 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 02:09:20,631 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 02:09:20,631 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 02:09:20,631 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 02:09:20,632 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:09:20" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 02:09:20,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 02:09:20,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 02:09:20,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-10-15 02:09:20,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2019-10-15 02:09:20,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~X~int~X~~uint32_t~0~X~$Pointer$~TO~int [2019-10-15 02:09:20,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~X~$Pointer$~X~int~X~~__le32~0~TO~int [2019-10-15 02:09:20,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~X~$Pointer$~X~int~X~$Pointer$~TO~int [2019-10-15 02:09:20,689 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2019-10-15 02:09:20,689 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2019-10-15 02:09:20,689 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2019-10-15 02:09:20,689 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2019-10-15 02:09:20,690 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2019-10-15 02:09:20,690 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-10-15 02:09:20,690 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2019-10-15 02:09:20,691 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2019-10-15 02:09:20,691 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2019-10-15 02:09:20,693 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2019-10-15 02:09:20,693 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_byte [2019-10-15 02:09:20,693 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2019-10-15 02:09:20,694 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2019-10-15 02:09:20,694 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_word [2019-10-15 02:09:20,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-15 02:09:20,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-15 02:09:20,696 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-10-15 02:09:20,696 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-15 02:09:20,697 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-10-15 02:09:20,697 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_enable [2019-10-15 02:09:20,698 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_disable [2019-10-15 02:09:20,698 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_release [2019-10-15 02:09:20,699 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_open [2019-10-15 02:09:20,699 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_get_irq_count [2019-10-15 02:09:20,699 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_ioctl [2019-10-15 02:09:20,700 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_read [2019-10-15 02:09:20,700 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_write [2019-10-15 02:09:20,700 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_mmap [2019-10-15 02:09:20,700 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_probe [2019-10-15 02:09:20,701 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_remove [2019-10-15 02:09:20,701 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_cleanup [2019-10-15 02:09:20,701 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_init [2019-10-15 02:09:20,701 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 02:09:20,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_1 [2019-10-15 02:09:20,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_2 [2019-10-15 02:09:20,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_3 [2019-10-15 02:09:20,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_4 [2019-10-15 02:09:20,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_5 [2019-10-15 02:09:20,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_6 [2019-10-15 02:09:20,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_7 [2019-10-15 02:09:20,702 INFO L138 BoogieDeclarations]: Found implementation of procedure fls [2019-10-15 02:09:20,703 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-10-15 02:09:20,703 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2019-10-15 02:09:20,703 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2019-10-15 02:09:20,703 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-10-15 02:09:20,703 INFO L138 BoogieDeclarations]: Found implementation of procedure init_waitqueue_func_entry [2019-10-15 02:09:20,703 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2019-10-15 02:09:20,703 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2019-10-15 02:09:20,704 INFO L138 BoogieDeclarations]: Found implementation of procedure init_poll_funcptr [2019-10-15 02:09:20,704 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_virqfd_init [2019-10-15 02:09:20,704 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_virqfd_exit [2019-10-15 02:09:20,704 INFO L138 BoogieDeclarations]: Found implementation of procedure virqfd_deactivate [2019-10-15 02:09:20,705 INFO L138 BoogieDeclarations]: Found implementation of procedure virqfd_wakeup [2019-10-15 02:09:20,705 INFO L138 BoogieDeclarations]: Found implementation of procedure virqfd_ptable_queue_proc [2019-10-15 02:09:20,705 INFO L138 BoogieDeclarations]: Found implementation of procedure virqfd_shutdown [2019-10-15 02:09:20,705 INFO L138 BoogieDeclarations]: Found implementation of procedure virqfd_inject [2019-10-15 02:09:20,706 INFO L138 BoogieDeclarations]: Found implementation of procedure virqfd_enable [2019-10-15 02:09:20,706 INFO L138 BoogieDeclarations]: Found implementation of procedure virqfd_disable [2019-10-15 02:09:20,706 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_send_intx_eventfd [2019-10-15 02:09:20,706 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_intx_mask [2019-10-15 02:09:20,706 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_intx_unmask_handler [2019-10-15 02:09:20,706 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_intx_unmask [2019-10-15 02:09:20,706 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_intx_handler [2019-10-15 02:09:20,707 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_intx_enable [2019-10-15 02:09:20,707 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_intx_set_signal [2019-10-15 02:09:20,707 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_intx_disable [2019-10-15 02:09:20,708 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_msihandler [2019-10-15 02:09:20,708 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_msi_enable [2019-10-15 02:09:20,708 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_msi_set_vector_signal [2019-10-15 02:09:20,709 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_msi_set_block [2019-10-15 02:09:20,709 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_msi_disable [2019-10-15 02:09:20,709 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_set_intx_unmask [2019-10-15 02:09:20,709 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_set_intx_mask [2019-10-15 02:09:20,709 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_set_intx_trigger [2019-10-15 02:09:20,710 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_set_msi_trigger [2019-10-15 02:09:20,710 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_set_irqs_ioctl [2019-10-15 02:09:20,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_15 [2019-10-15 02:09:20,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_16 [2019-10-15 02:09:20,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_17 [2019-10-15 02:09:20,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_18 [2019-10-15 02:09:20,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_19 [2019-10-15 02:09:20,712 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_io_readwrite [2019-10-15 02:09:20,712 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_mem_readwrite [2019-10-15 02:09:20,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_25 [2019-10-15 02:09:20,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_26 [2019-10-15 02:09:20,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_27 [2019-10-15 02:09:20,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_28 [2019-10-15 02:09:20,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_29 [2019-10-15 02:09:20,713 INFO L138 BoogieDeclarations]: Found implementation of procedure pcibios_err_to_errno [2019-10-15 02:09:20,713 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_user_config_read [2019-10-15 02:09:20,713 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_user_config_write [2019-10-15 02:09:20,713 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_default_config_read [2019-10-15 02:09:20,713 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_default_config_write [2019-10-15 02:09:20,713 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_direct_config_read [2019-10-15 02:09:20,714 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_direct_config_write [2019-10-15 02:09:20,714 INFO L138 BoogieDeclarations]: Found implementation of procedure free_perm_bits [2019-10-15 02:09:20,714 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_perm_bits [2019-10-15 02:09:20,714 INFO L138 BoogieDeclarations]: Found implementation of procedure p_setb [2019-10-15 02:09:20,714 INFO L138 BoogieDeclarations]: Found implementation of procedure p_setw [2019-10-15 02:09:20,714 INFO L138 BoogieDeclarations]: Found implementation of procedure p_setd [2019-10-15 02:09:20,714 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_bar_restore [2019-10-15 02:09:20,715 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_generate_bar_flags [2019-10-15 02:09:20,715 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_bar_fixup [2019-10-15 02:09:20,715 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_basic_config_read [2019-10-15 02:09:20,715 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_basic_config_write [2019-10-15 02:09:20,715 INFO L138 BoogieDeclarations]: Found implementation of procedure init_pci_cap_basic_perm [2019-10-15 02:09:20,715 INFO L138 BoogieDeclarations]: Found implementation of procedure init_pci_cap_pm_perm [2019-10-15 02:09:20,715 INFO L138 BoogieDeclarations]: Found implementation of procedure init_pci_cap_pcix_perm [2019-10-15 02:09:20,716 INFO L138 BoogieDeclarations]: Found implementation of procedure init_pci_cap_exp_perm [2019-10-15 02:09:20,716 INFO L138 BoogieDeclarations]: Found implementation of procedure init_pci_cap_af_perm [2019-10-15 02:09:20,716 INFO L138 BoogieDeclarations]: Found implementation of procedure init_pci_ext_cap_err_perm [2019-10-15 02:09:20,716 INFO L138 BoogieDeclarations]: Found implementation of procedure init_pci_ext_cap_pwr_perm [2019-10-15 02:09:20,716 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_uninit_perm_bits [2019-10-15 02:09:20,717 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_init_perm_bits [2019-10-15 02:09:20,717 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_find_cap_start [2019-10-15 02:09:20,717 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_msi_config_read [2019-10-15 02:09:20,718 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_msi_config_write [2019-10-15 02:09:20,718 INFO L138 BoogieDeclarations]: Found implementation of procedure init_pci_cap_msi_perm [2019-10-15 02:09:20,719 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_msi_cap_len [2019-10-15 02:09:20,719 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_vc_cap_len [2019-10-15 02:09:20,719 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_cap_len [2019-10-15 02:09:20,719 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_ext_cap_len [2019-10-15 02:09:20,719 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_fill_vconfig_bytes [2019-10-15 02:09:20,722 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_cap_init [2019-10-15 02:09:20,723 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_ecap_init [2019-10-15 02:09:20,723 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_config_init [2019-10-15 02:09:20,724 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_config_free [2019-10-15 02:09:20,727 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_config_do_rw [2019-10-15 02:09:20,727 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_config_readwrite [2019-10-15 02:09:20,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_35 [2019-10-15 02:09:20,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_36 [2019-10-15 02:09:20,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_37 [2019-10-15 02:09:20,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_38 [2019-10-15 02:09:20,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_39 [2019-10-15 02:09:20,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-15 02:09:20,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-15 02:09:20,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-10-15 02:09:20,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_igate_of_vfio_pci_device [2019-10-15 02:09:20,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_igate_of_vfio_pci_device [2019-10-15 02:09:20,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_igate_of_vfio_pci_device [2019-10-15 02:09:20,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_igate_of_vfio_pci_device [2019-10-15 02:09:20,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_igate_of_vfio_pci_device [2019-10-15 02:09:20,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_igate_of_vfio_pci_device [2019-10-15 02:09:20,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_igate_of_vfio_pci_device [2019-10-15 02:09:20,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2019-10-15 02:09:20,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2019-10-15 02:09:20,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2019-10-15 02:09:20,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2019-10-15 02:09:20,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-10-15 02:09:20,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2019-10-15 02:09:20,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2019-10-15 02:09:20,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-10-15 02:09:20,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2019-10-15 02:09:20,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2019-10-15 02:09:20,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2019-10-15 02:09:20,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-10-15 02:09:20,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2019-10-15 02:09:20,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2019-10-15 02:09:20,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-15 02:09:20,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-15 02:09:20,740 INFO L138 BoogieDeclarations]: Found implementation of procedure __alloc_workqueue_key [2019-10-15 02:09:20,740 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2019-10-15 02:09:20,740 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2019-10-15 02:09:20,740 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2019-10-15 02:09:20,741 INFO L138 BoogieDeclarations]: Found implementation of procedure __pci_register_driver [2019-10-15 02:09:20,741 INFO L138 BoogieDeclarations]: Found implementation of procedure __pci_reset_function [2019-10-15 02:09:20,741 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-10-15 02:09:20,741 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2019-10-15 02:09:20,741 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2019-10-15 02:09:20,741 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irq [2019-10-15 02:09:20,741 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2019-10-15 02:09:20,742 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irq [2019-10-15 02:09:20,742 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-10-15 02:09:20,742 INFO L138 BoogieDeclarations]: Found implementation of procedure add_wait_queue [2019-10-15 02:09:20,742 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2019-10-15 02:09:20,742 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_irq_nosync [2019-10-15 02:09:20,742 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_irq [2019-10-15 02:09:20,742 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_ctx_fdget [2019-10-15 02:09:20,742 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_ctx_fileget [2019-10-15 02:09:20,743 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_ctx_put [2019-10-15 02:09:20,743 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_ctx_remove_wait_queue [2019-10-15 02:09:20,743 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_fget [2019-10-15 02:09:20,743 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_signal [2019-10-15 02:09:20,743 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_work [2019-10-15 02:09:20,743 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2019-10-15 02:09:20,743 INFO L138 BoogieDeclarations]: Found implementation of procedure fput [2019-10-15 02:09:20,743 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2019-10-15 02:09:20,744 INFO L138 BoogieDeclarations]: Found implementation of procedure iommu_group_get [2019-10-15 02:09:20,744 INFO L138 BoogieDeclarations]: Found implementation of procedure iommu_group_put [2019-10-15 02:09:20,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2019-10-15 02:09:20,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2019-10-15 02:09:20,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2019-10-15 02:09:20,744 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2019-10-15 02:09:20,744 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2019-10-15 02:09:20,744 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite8 [2019-10-15 02:09:20,745 INFO L138 BoogieDeclarations]: Found implementation of procedure kasprintf [2019-10-15 02:09:20,745 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2019-10-15 02:09:20,745 INFO L138 BoogieDeclarations]: Found implementation of procedure memdup_user [2019-10-15 02:09:20,745 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2019-10-15 02:09:20,745 INFO L138 BoogieDeclarations]: Found implementation of procedure module_put [2019-10-15 02:09:20,745 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2019-10-15 02:09:20,745 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2019-10-15 02:09:20,745 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-10-15 02:09:20,746 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_read_config_byte [2019-10-15 02:09:20,746 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_read_config_dword [2019-10-15 02:09:20,746 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_read_config_word [2019-10-15 02:09:20,746 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_write_config_word [2019-10-15 02:09:20,746 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_check_and_mask_intx [2019-10-15 02:09:20,746 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_check_and_unmask_intx [2019-10-15 02:09:20,746 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2019-10-15 02:09:20,746 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2019-10-15 02:09:20,747 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msix [2019-10-15 02:09:20,747 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2019-10-15 02:09:20,747 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_msi_block [2019-10-15 02:09:20,747 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_msix [2019-10-15 02:09:20,747 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_find_capability [2019-10-15 02:09:20,747 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_intx [2019-10-15 02:09:20,747 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_intx_mask_supported [2019-10-15 02:09:20,747 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2019-10-15 02:09:20,748 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2019-10-15 02:09:20,748 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_load_and_free_saved_state [2019-10-15 02:09:20,748 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_rom [2019-10-15 02:09:20,748 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_selected_regions [2019-10-15 02:09:20,748 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_request_selected_regions [2019-10-15 02:09:20,749 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_reset_function [2019-10-15 02:09:20,749 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2019-10-15 02:09:20,749 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2019-10-15 02:09:20,749 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_store_saved_state [2019-10-15 02:09:20,749 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_rom [2019-10-15 02:09:20,749 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2019-10-15 02:09:20,749 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_user_read_config_byte [2019-10-15 02:09:20,749 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_user_read_config_dword [2019-10-15 02:09:20,750 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_user_read_config_word [2019-10-15 02:09:20,750 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_user_write_config_byte [2019-10-15 02:09:20,750 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_user_write_config_dword [2019-10-15 02:09:20,750 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_user_write_config_word [2019-10-15 02:09:20,750 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-15 02:09:20,750 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2019-10-15 02:09:20,750 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_pfn_range [2019-10-15 02:09:20,751 INFO L138 BoogieDeclarations]: Found implementation of procedure request_threaded_irq [2019-10-15 02:09:20,751 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2019-10-15 02:09:20,751 INFO L138 BoogieDeclarations]: Found implementation of procedure try_module_get [2019-10-15 02:09:20,751 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_add_group_dev [2019-10-15 02:09:20,751 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_del_group_dev [2019-10-15 02:09:20,751 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_fmt [2019-10-15 02:09:20,751 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2019-10-15 02:09:20,752 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-15 02:09:20,752 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-15 02:09:20,752 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-15 02:09:20,752 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-10-15 02:09:20,752 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 02:09:20,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-15 02:09:20,752 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-15 02:09:20,754 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2019-10-15 02:09:20,758 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2019-10-15 02:09:20,758 INFO L130 BoogieDeclarations]: Found specification of procedure memdup_user [2019-10-15 02:09:20,758 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_fmt [2019-10-15 02:09:20,758 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2019-10-15 02:09:20,758 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2019-10-15 02:09:20,759 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2019-10-15 02:09:20,759 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2019-10-15 02:09:20,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 02:09:20,759 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2019-10-15 02:09:20,759 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2019-10-15 02:09:20,759 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2019-10-15 02:09:20,763 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2019-10-15 02:09:20,763 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_4 [2019-10-15 02:09:20,763 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-10-15 02:09:20,763 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_2 [2019-10-15 02:09:20,763 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_5 [2019-10-15 02:09:20,764 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_7 [2019-10-15 02:09:20,764 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2019-10-15 02:09:20,764 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_1 [2019-10-15 02:09:20,764 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_3 [2019-10-15 02:09:20,764 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_6 [2019-10-15 02:09:20,764 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_igate_of_vfio_pci_device [2019-10-15 02:09:20,764 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_igate_of_vfio_pci_device [2019-10-15 02:09:20,765 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2019-10-15 02:09:20,765 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2019-10-15 02:09:20,765 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2019-10-15 02:09:20,765 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2019-10-15 02:09:20,765 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2019-10-15 02:09:20,765 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 02:09:20,765 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-10-15 02:09:20,765 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-10-15 02:09:20,765 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2019-10-15 02:09:20,766 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 02:09:20,766 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2019-10-15 02:09:20,766 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2019-10-15 02:09:20,766 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2019-10-15 02:09:20,766 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2019-10-15 02:09:20,766 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2019-10-15 02:09:20,767 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2019-10-15 02:09:20,767 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 02:09:20,767 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2019-10-15 02:09:20,767 INFO L130 BoogieDeclarations]: Found specification of procedure iommu_group_get [2019-10-15 02:09:20,767 INFO L130 BoogieDeclarations]: Found specification of procedure iommu_group_put [2019-10-15 02:09:20,768 INFO L130 BoogieDeclarations]: Found specification of procedure try_module_get [2019-10-15 02:09:20,768 INFO L130 BoogieDeclarations]: Found specification of procedure module_put [2019-10-15 02:09:20,768 INFO L130 BoogieDeclarations]: Found specification of procedure pci_find_capability [2019-10-15 02:09:20,768 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_read_config_byte [2019-10-15 02:09:20,768 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_read_config_word [2019-10-15 02:09:20,768 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_read_config_dword [2019-10-15 02:09:20,768 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_write_config_word [2019-10-15 02:09:20,768 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_byte [2019-10-15 02:09:20,769 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 02:09:20,769 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2019-10-15 02:09:20,769 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2019-10-15 02:09:20,769 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_word [2019-10-15 02:09:20,769 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2019-10-15 02:09:20,769 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2019-10-15 02:09:20,769 INFO L130 BoogieDeclarations]: Found specification of procedure pci_intx_mask_supported [2019-10-15 02:09:20,769 INFO L130 BoogieDeclarations]: Found specification of procedure __pci_reset_function [2019-10-15 02:09:20,769 INFO L130 BoogieDeclarations]: Found specification of procedure pci_reset_function [2019-10-15 02:09:20,770 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_rom [2019-10-15 02:09:20,770 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_rom [2019-10-15 02:09:20,770 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2019-10-15 02:09:20,770 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2019-10-15 02:09:20,770 INFO L130 BoogieDeclarations]: Found specification of procedure pci_store_saved_state [2019-10-15 02:09:20,770 INFO L130 BoogieDeclarations]: Found specification of procedure pci_load_and_free_saved_state [2019-10-15 02:09:20,770 INFO L130 BoogieDeclarations]: Found specification of procedure pci_request_selected_regions [2019-10-15 02:09:20,770 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_selected_regions [2019-10-15 02:09:20,770 INFO L130 BoogieDeclarations]: Found specification of procedure __pci_register_driver [2019-10-15 02:09:20,771 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2019-10-15 02:09:20,771 INFO L130 BoogieDeclarations]: Found specification of procedure remap_pfn_range [2019-10-15 02:09:20,771 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-15 02:09:20,771 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-15 02:09:20,771 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 02:09:20,771 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-15 02:09:20,771 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-15 02:09:20,771 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 02:09:20,771 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-10-15 02:09:20,772 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-15 02:09:20,772 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-10-15 02:09:20,772 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_add_group_dev [2019-10-15 02:09:20,772 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_del_group_dev [2019-10-15 02:09:20,772 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_set_irqs_ioctl [2019-10-15 02:09:20,772 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_config_readwrite [2019-10-15 02:09:20,772 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_mem_readwrite [2019-10-15 02:09:20,772 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_io_readwrite [2019-10-15 02:09:20,773 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_init_perm_bits [2019-10-15 02:09:20,773 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_uninit_perm_bits [2019-10-15 02:09:20,773 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_virqfd_init [2019-10-15 02:09:20,773 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_virqfd_exit [2019-10-15 02:09:20,773 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_config_init [2019-10-15 02:09:20,773 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_config_free [2019-10-15 02:09:20,773 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_enable [2019-10-15 02:09:20,773 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 02:09:20,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 02:09:20,774 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_disable [2019-10-15 02:09:20,774 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_release [2019-10-15 02:09:20,774 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_open [2019-10-15 02:09:20,774 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_get_irq_count [2019-10-15 02:09:20,774 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_ioctl [2019-10-15 02:09:20,774 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_read [2019-10-15 02:09:20,774 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_write [2019-10-15 02:09:20,774 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_mmap [2019-10-15 02:09:20,775 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_probe [2019-10-15 02:09:20,775 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_remove [2019-10-15 02:09:20,775 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_cleanup [2019-10-15 02:09:20,775 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_init [2019-10-15 02:09:20,775 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-15 02:09:20,775 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-15 02:09:20,775 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 02:09:20,775 INFO L130 BoogieDeclarations]: Found specification of procedure fls [2019-10-15 02:09:20,776 INFO L130 BoogieDeclarations]: Found specification of procedure kasprintf [2019-10-15 02:09:20,776 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-10-15 02:09:20,776 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2019-10-15 02:09:20,776 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_18 [2019-10-15 02:09:20,776 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_16 [2019-10-15 02:09:20,776 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_19 [2019-10-15 02:09:20,776 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_15 [2019-10-15 02:09:20,776 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_17 [2019-10-15 02:09:20,776 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irq [2019-10-15 02:09:20,777 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2019-10-15 02:09:20,777 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irq [2019-10-15 02:09:20,777 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-10-15 02:09:20,777 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2019-10-15 02:09:20,777 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2019-10-15 02:09:20,777 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-10-15 02:09:20,777 INFO L130 BoogieDeclarations]: Found specification of procedure init_waitqueue_func_entry [2019-10-15 02:09:20,778 INFO L130 BoogieDeclarations]: Found specification of procedure add_wait_queue [2019-10-15 02:09:20,778 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2019-10-15 02:09:20,778 INFO L130 BoogieDeclarations]: Found specification of procedure __alloc_workqueue_key [2019-10-15 02:09:20,778 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2019-10-15 02:09:20,778 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2019-10-15 02:09:20,778 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2019-10-15 02:09:20,778 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2019-10-15 02:09:20,778 INFO L130 BoogieDeclarations]: Found specification of procedure flush_work [2019-10-15 02:09:20,778 INFO L130 BoogieDeclarations]: Found specification of procedure request_threaded_irq [2019-10-15 02:09:20,779 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2019-10-15 02:09:20,779 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2019-10-15 02:09:20,779 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq_nosync [2019-10-15 02:09:20,779 INFO L130 BoogieDeclarations]: Found specification of procedure enable_irq [2019-10-15 02:09:20,780 INFO L130 BoogieDeclarations]: Found specification of procedure fput [2019-10-15 02:09:20,780 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_ctx_put [2019-10-15 02:09:20,780 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_fget [2019-10-15 02:09:20,780 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_ctx_fdget [2019-10-15 02:09:20,780 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_ctx_fileget [2019-10-15 02:09:20,780 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_signal [2019-10-15 02:09:20,780 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_ctx_remove_wait_queue [2019-10-15 02:09:20,780 INFO L130 BoogieDeclarations]: Found specification of procedure pci_intx [2019-10-15 02:09:20,780 INFO L130 BoogieDeclarations]: Found specification of procedure pci_check_and_mask_intx [2019-10-15 02:09:20,781 INFO L130 BoogieDeclarations]: Found specification of procedure pci_check_and_unmask_intx [2019-10-15 02:09:20,781 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_msi_block [2019-10-15 02:09:20,781 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2019-10-15 02:09:20,781 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_msix [2019-10-15 02:09:20,781 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msix [2019-10-15 02:09:20,781 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2019-10-15 02:09:20,781 INFO L130 BoogieDeclarations]: Found specification of procedure init_poll_funcptr [2019-10-15 02:09:20,781 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_intx_mask [2019-10-15 02:09:20,781 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_intx_unmask [2019-10-15 02:09:20,782 INFO L130 BoogieDeclarations]: Found specification of procedure virqfd_deactivate [2019-10-15 02:09:20,782 INFO L130 BoogieDeclarations]: Found specification of procedure virqfd_wakeup [2019-10-15 02:09:20,782 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-10-15 02:09:20,782 INFO L130 BoogieDeclarations]: Found specification of procedure virqfd_ptable_queue_proc [2019-10-15 02:09:20,782 INFO L130 BoogieDeclarations]: Found specification of procedure virqfd_shutdown [2019-10-15 02:09:20,782 INFO L130 BoogieDeclarations]: Found specification of procedure virqfd_inject [2019-10-15 02:09:20,782 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2019-10-15 02:09:20,782 INFO L130 BoogieDeclarations]: Found specification of procedure virqfd_enable [2019-10-15 02:09:20,782 INFO L130 BoogieDeclarations]: Found specification of procedure virqfd_disable [2019-10-15 02:09:20,783 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_send_intx_eventfd [2019-10-15 02:09:20,783 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_intx_unmask_handler [2019-10-15 02:09:20,783 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_intx_handler [2019-10-15 02:09:20,783 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_intx_enable [2019-10-15 02:09:20,783 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_intx_set_signal [2019-10-15 02:09:20,783 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_intx_disable [2019-10-15 02:09:20,783 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_msihandler [2019-10-15 02:09:20,784 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_msi_enable [2019-10-15 02:09:20,784 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_msi_set_vector_signal [2019-10-15 02:09:20,784 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_msi_set_block [2019-10-15 02:09:20,784 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_msi_disable [2019-10-15 02:09:20,784 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_set_intx_unmask [2019-10-15 02:09:20,784 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_set_intx_mask [2019-10-15 02:09:20,784 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_set_intx_trigger [2019-10-15 02:09:20,784 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_set_msi_trigger [2019-10-15 02:09:20,784 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~X~int~X~~uint32_t~0~X~$Pointer$~TO~int [2019-10-15 02:09:20,785 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_28 [2019-10-15 02:09:20,785 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_26 [2019-10-15 02:09:20,785 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_29 [2019-10-15 02:09:20,785 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_25 [2019-10-15 02:09:20,785 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_27 [2019-10-15 02:09:20,785 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2019-10-15 02:09:20,785 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2019-10-15 02:09:20,786 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2019-10-15 02:09:20,786 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8 [2019-10-15 02:09:20,786 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2019-10-15 02:09:20,786 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2019-10-15 02:09:20,786 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-15 02:09:20,786 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-15 02:09:20,786 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2019-10-15 02:09:20,786 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_38 [2019-10-15 02:09:20,787 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_36 [2019-10-15 02:09:20,787 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_39 [2019-10-15 02:09:20,787 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_35 [2019-10-15 02:09:20,787 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_37 [2019-10-15 02:09:20,787 INFO L130 BoogieDeclarations]: Found specification of procedure pcibios_err_to_errno [2019-10-15 02:09:20,787 INFO L130 BoogieDeclarations]: Found specification of procedure pci_user_read_config_byte [2019-10-15 02:09:20,787 INFO L130 BoogieDeclarations]: Found specification of procedure pci_user_read_config_word [2019-10-15 02:09:20,787 INFO L130 BoogieDeclarations]: Found specification of procedure pci_user_read_config_dword [2019-10-15 02:09:20,787 INFO L130 BoogieDeclarations]: Found specification of procedure pci_user_write_config_byte [2019-10-15 02:09:20,788 INFO L130 BoogieDeclarations]: Found specification of procedure pci_user_write_config_word [2019-10-15 02:09:20,788 INFO L130 BoogieDeclarations]: Found specification of procedure pci_user_write_config_dword [2019-10-15 02:09:20,788 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_user_config_read [2019-10-15 02:09:20,788 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_user_config_write [2019-10-15 02:09:20,788 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_default_config_read [2019-10-15 02:09:20,788 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-10-15 02:09:20,788 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_default_config_write [2019-10-15 02:09:20,788 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_direct_config_read [2019-10-15 02:09:20,789 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_direct_config_write [2019-10-15 02:09:20,789 INFO L130 BoogieDeclarations]: Found specification of procedure free_perm_bits [2019-10-15 02:09:20,789 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_perm_bits [2019-10-15 02:09:20,789 INFO L130 BoogieDeclarations]: Found specification of procedure p_setb [2019-10-15 02:09:20,789 INFO L130 BoogieDeclarations]: Found specification of procedure p_setw [2019-10-15 02:09:20,789 INFO L130 BoogieDeclarations]: Found specification of procedure p_setd [2019-10-15 02:09:20,789 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_bar_restore [2019-10-15 02:09:20,789 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_generate_bar_flags [2019-10-15 02:09:20,789 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_bar_fixup [2019-10-15 02:09:20,790 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_basic_config_read [2019-10-15 02:09:20,790 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_basic_config_write [2019-10-15 02:09:20,790 INFO L130 BoogieDeclarations]: Found specification of procedure init_pci_cap_basic_perm [2019-10-15 02:09:20,790 INFO L130 BoogieDeclarations]: Found specification of procedure init_pci_cap_pm_perm [2019-10-15 02:09:20,790 INFO L130 BoogieDeclarations]: Found specification of procedure init_pci_cap_pcix_perm [2019-10-15 02:09:20,790 INFO L130 BoogieDeclarations]: Found specification of procedure init_pci_cap_exp_perm [2019-10-15 02:09:20,790 INFO L130 BoogieDeclarations]: Found specification of procedure init_pci_cap_af_perm [2019-10-15 02:09:20,790 INFO L130 BoogieDeclarations]: Found specification of procedure init_pci_ext_cap_err_perm [2019-10-15 02:09:20,790 INFO L130 BoogieDeclarations]: Found specification of procedure init_pci_ext_cap_pwr_perm [2019-10-15 02:09:20,791 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_find_cap_start [2019-10-15 02:09:20,791 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_msi_config_read [2019-10-15 02:09:20,791 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_msi_config_write [2019-10-15 02:09:20,791 INFO L130 BoogieDeclarations]: Found specification of procedure init_pci_cap_msi_perm [2019-10-15 02:09:20,791 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_msi_cap_len [2019-10-15 02:09:20,791 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_vc_cap_len [2019-10-15 02:09:20,791 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_cap_len [2019-10-15 02:09:20,791 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_ext_cap_len [2019-10-15 02:09:20,792 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_fill_vconfig_bytes [2019-10-15 02:09:20,792 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_cap_init [2019-10-15 02:09:20,792 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-15 02:09:20,792 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_ecap_init [2019-10-15 02:09:20,792 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_config_do_rw [2019-10-15 02:09:20,792 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~X~$Pointer$~X~int~X~~__le32~0~TO~int [2019-10-15 02:09:20,792 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~X~$Pointer$~X~int~X~$Pointer$~TO~int [2019-10-15 02:09:20,792 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-15 02:09:20,792 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-10-15 02:09:20,793 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_igate_of_vfio_pci_device [2019-10-15 02:09:20,793 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_igate_of_vfio_pci_device [2019-10-15 02:09:20,793 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_igate_of_vfio_pci_device [2019-10-15 02:09:20,793 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_igate_of_vfio_pci_device [2019-10-15 02:09:20,793 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_igate_of_vfio_pci_device [2019-10-15 02:09:20,793 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2019-10-15 02:09:20,793 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2019-10-15 02:09:20,793 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2019-10-15 02:09:20,793 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-10-15 02:09:20,794 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2019-10-15 02:09:20,794 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-10-15 02:09:20,794 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2019-10-15 02:09:20,794 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-10-15 02:09:20,794 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2019-10-15 02:09:20,794 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-15 02:09:20,794 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-15 02:09:20,794 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-10-15 02:09:20,795 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-10-15 02:09:20,795 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-15 02:09:20,795 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 02:09:20,795 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 02:09:20,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-15 02:09:20,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 02:09:20,795 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 02:09:20,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-15 02:09:20,795 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-15 02:09:20,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-15 02:09:20,796 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-15 02:09:22,317 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-15 02:09:22,619 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint L2749: assume #t~short211;call #t~mem210 := read~int(~#info___0~0.base, 16 + ~#info___0~0.offset, 8);#t~short211 := #t~mem210 % 18446744073709551616 > 4095; [2019-10-15 02:09:22,619 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint L2749: assume !#t~short211; [2019-10-15 02:09:22,620 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint L2749-2: assume #t~short211;havoc #t~mem209;havoc #t~mem210;havoc #t~mem208;havoc #t~short211;call #t~mem212 := read~int(~#info___0~0.base, 4 + ~#info___0~0.offset, 4);call write~int(~bitwiseOr(#t~mem212, 4), ~#info___0~0.base, 4 + ~#info___0~0.offset, 4);havoc #t~mem212; [2019-10-15 02:09:22,620 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint L2749-2: assume !#t~short211;havoc #t~mem209;havoc #t~mem210;havoc #t~mem208;havoc #t~short211; [2019-10-15 02:09:22,620 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint L2738: assume #t~short202;havoc #t~mem196;havoc #t~mem198;havoc #t~mem197;havoc #t~mem200;havoc #t~mem201;havoc #t~mem199;havoc #t~short202;call #t~mem203 := read~int(~#info___0~0.base, 8 + ~#info___0~0.offset, 4);call #t~mem205 := read~int(~pdev~2.base, 8 + (790 + ~pdev~2.offset + 36 * (if #t~mem203 % 4294967296 % 4294967296 <= 2147483647 then #t~mem203 % 4294967296 % 4294967296 else #t~mem203 % 4294967296 % 4294967296 - 4294967296)), 8);call #t~mem204 := read~int(~#info___0~0.base, 8 + ~#info___0~0.offset, 4);call #t~mem206 := read~int(~pdev~2.base, 790 + ~pdev~2.offset + 36 * (if #t~mem204 % 4294967296 % 4294967296 <= 2147483647 then #t~mem204 % 4294967296 % 4294967296 else #t~mem204 % 4294967296 % 4294967296 - 4294967296), 8);call write~int(1 + (#t~mem205 - #t~mem206), ~#info___0~0.base, 16 + ~#info___0~0.offset, 8);havoc #t~mem205;havoc #t~mem204;havoc #t~mem206;havoc #t~mem203; [2019-10-15 02:09:22,620 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint L2738: assume !#t~short202;havoc #t~mem196;havoc #t~mem198;havoc #t~mem197;havoc #t~mem200;havoc #t~mem201;havoc #t~mem199;havoc #t~short202;call write~int(0, ~#info___0~0.base, 16 + ~#info___0~0.offset, 8); [2019-10-15 02:09:22,620 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume #t~short202; [2019-10-15 02:09:22,620 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint L2738-2: call #t~mem207 := read~int(~#info___0~0.base, 16 + ~#info___0~0.offset, 8); [2019-10-15 02:09:22,621 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume !#t~short202;call #t~mem198 := read~int(~#info___0~0.base, 8 + ~#info___0~0.offset, 4);call #t~mem200 := read~int(~pdev~2.base, 8 + (790 + ~pdev~2.offset + 36 * (if #t~mem198 % 4294967296 % 4294967296 <= 2147483647 then #t~mem198 % 4294967296 % 4294967296 else #t~mem198 % 4294967296 % 4294967296 - 4294967296)), 8);call #t~mem199 := read~int(~#info___0~0.base, 8 + ~#info___0~0.offset, 4);call #t~mem201 := read~int(~pdev~2.base, 790 + ~pdev~2.offset + 36 * (if #t~mem199 % 4294967296 % 4294967296 <= 2147483647 then #t~mem199 % 4294967296 % 4294967296 else #t~mem199 % 4294967296 % 4294967296 - 4294967296), 8);#t~short202 := #t~mem200 % 18446744073709551616 != #t~mem201 % 18446744073709551616; [2019-10-15 02:09:22,621 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint L2743: assume 0 == #t~mem207 % 18446744073709551616;havoc #t~mem207;call write~int(0, ~#info___0~0.base, 4 + ~#info___0~0.offset, 4); [2019-10-15 02:09:22,621 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint L2743: assume !(0 == #t~mem207 % 18446744073709551616);havoc #t~mem207;call write~int(3, ~#info___0~0.base, 4 + ~#info___0~0.offset, 4);call #t~mem208 := read~int(~#info___0~0.base, 8 + ~#info___0~0.offset, 4);call #t~mem209 := read~int(~pdev~2.base, 20 + (790 + ~pdev~2.offset + 36 * (if #t~mem208 % 4294967296 % 4294967296 <= 2147483647 then #t~mem208 % 4294967296 % 4294967296 else #t~mem208 % 4294967296 % 4294967296 - 4294967296)), 4);#t~short211 := 0 != ~bitwiseAnd(#t~mem209, 512) % 4294967296; [2019-10-15 02:09:33,411 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 02:09:33,412 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-15 02:09:33,415 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 02:09:33 BoogieIcfgContainer [2019-10-15 02:09:33,415 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 02:09:33,416 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 02:09:33,416 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 02:09:33,420 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 02:09:33,420 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 02:09:16" (1/3) ... [2019-10-15 02:09:33,421 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7321168c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 02:09:33, skipping insertion in model container [2019-10-15 02:09:33,421 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:09:20" (2/3) ... [2019-10-15 02:09:33,422 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7321168c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 02:09:33, skipping insertion in model container [2019-10-15 02:09:33,422 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 02:09:33" (3/3) ... [2019-10-15 02:09:33,424 INFO L109 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--vfio--pci--vfio-pci.ko-main.cil.out.i [2019-10-15 02:09:33,433 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 02:09:33,448 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 02:09:33,457 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 02:09:33,493 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 02:09:33,494 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 02:09:33,494 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 02:09:33,494 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 02:09:33,494 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 02:09:33,494 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 02:09:33,494 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 02:09:33,494 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 02:09:33,548 INFO L276 IsEmpty]: Start isEmpty. Operand 2005 states. [2019-10-15 02:09:33,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-10-15 02:09:33,568 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 02:09:33,569 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 02:09:33,571 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 02:09:33,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 02:09:33,578 INFO L82 PathProgramCache]: Analyzing trace with hash -262219613, now seen corresponding path program 1 times [2019-10-15 02:09:33,588 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 02:09:33,588 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [198877362] [2019-10-15 02:09:33,588 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:09:33,589 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:09:33,589 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 02:09:33,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:09:34,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 02:09:34,223 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [198877362] [2019-10-15 02:09:34,224 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 02:09:34,225 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 02:09:34,225 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1806234061] [2019-10-15 02:09:34,230 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 02:09:34,230 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 02:09:34,244 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 02:09:34,244 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 02:09:34,247 INFO L87 Difference]: Start difference. First operand 2005 states. Second operand 3 states. [2019-10-15 02:09:34,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 02:09:34,659 INFO L93 Difference]: Finished difference Result 4012 states and 5559 transitions. [2019-10-15 02:09:34,660 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 02:09:34,661 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2019-10-15 02:09:34,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 02:09:34,728 INFO L225 Difference]: With dead ends: 4012 [2019-10-15 02:09:34,728 INFO L226 Difference]: Without dead ends: 2143 [2019-10-15 02:09:34,747 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 02:09:34,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2143 states. [2019-10-15 02:09:34,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2143 to 2132. [2019-10-15 02:09:34,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2132 states. [2019-10-15 02:09:35,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2132 states to 2132 states and 2932 transitions. [2019-10-15 02:09:35,017 INFO L78 Accepts]: Start accepts. Automaton has 2132 states and 2932 transitions. Word has length 53 [2019-10-15 02:09:35,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 02:09:35,018 INFO L462 AbstractCegarLoop]: Abstraction has 2132 states and 2932 transitions. [2019-10-15 02:09:35,018 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 02:09:35,018 INFO L276 IsEmpty]: Start isEmpty. Operand 2132 states and 2932 transitions. [2019-10-15 02:09:35,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2019-10-15 02:09:35,043 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 02:09:35,043 INFO L380 BasicCegarLoop]: trace histogram [14, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 02:09:35,044 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 02:09:35,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 02:09:35,044 INFO L82 PathProgramCache]: Analyzing trace with hash -1280935881, now seen corresponding path program 1 times [2019-10-15 02:09:35,044 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 02:09:35,045 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1893319705] [2019-10-15 02:09:35,045 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:09:35,045 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:09:35,049 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 02:09:35,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:09:35,475 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 308 trivial. 0 not checked. [2019-10-15 02:09:35,475 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1893319705] [2019-10-15 02:09:35,475 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 02:09:35,475 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 02:09:35,476 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537039011] [2019-10-15 02:09:35,478 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 02:09:35,478 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 02:09:35,478 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 02:09:35,479 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 02:09:35,479 INFO L87 Difference]: Start difference. First operand 2132 states and 2932 transitions. Second operand 3 states. [2019-10-15 02:09:35,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 02:09:35,995 INFO L93 Difference]: Finished difference Result 4436 states and 6070 transitions. [2019-10-15 02:09:35,996 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 02:09:35,996 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 112 [2019-10-15 02:09:35,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 02:09:36,019 INFO L225 Difference]: With dead ends: 4436 [2019-10-15 02:09:36,019 INFO L226 Difference]: Without dead ends: 2313 [2019-10-15 02:09:36,032 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 02:09:36,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2313 states. [2019-10-15 02:09:36,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2313 to 2313. [2019-10-15 02:09:36,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2313 states. [2019-10-15 02:09:36,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2313 states to 2313 states and 3144 transitions. [2019-10-15 02:09:36,173 INFO L78 Accepts]: Start accepts. Automaton has 2313 states and 3144 transitions. Word has length 112 [2019-10-15 02:09:36,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 02:09:36,173 INFO L462 AbstractCegarLoop]: Abstraction has 2313 states and 3144 transitions. [2019-10-15 02:09:36,173 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 02:09:36,174 INFO L276 IsEmpty]: Start isEmpty. Operand 2313 states and 3144 transitions. [2019-10-15 02:09:36,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 370 [2019-10-15 02:09:36,192 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 02:09:36,192 INFO L380 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 02:09:36,193 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 02:09:36,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 02:09:36,193 INFO L82 PathProgramCache]: Analyzing trace with hash -640708576, now seen corresponding path program 1 times [2019-10-15 02:09:36,193 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 02:09:36,194 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [481459383] [2019-10-15 02:09:36,194 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:09:36,194 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:09:36,194 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 02:09:36,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:09:36,785 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 1612 trivial. 0 not checked. [2019-10-15 02:09:36,786 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [481459383] [2019-10-15 02:09:36,786 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [594479396] [2019-10-15 02:09:36,786 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 02:09:38,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:09:38,992 INFO L256 TraceCheckSpWp]: Trace formula consists of 4020 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-15 02:09:39,025 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 02:09:39,296 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1624 trivial. 0 not checked. [2019-10-15 02:09:39,296 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 02:09:40,636 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1624 trivial. 0 not checked. [2019-10-15 02:09:40,637 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-10-15 02:09:40,637 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [5] total 6 [2019-10-15 02:09:40,638 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2127932720] [2019-10-15 02:09:40,641 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 02:09:40,642 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 02:09:40,642 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 02:09:40,642 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-15 02:09:40,642 INFO L87 Difference]: Start difference. First operand 2313 states and 3144 transitions. Second operand 3 states. [2019-10-15 02:09:41,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 02:09:41,048 INFO L93 Difference]: Finished difference Result 2921 states and 3939 transitions. [2019-10-15 02:09:41,049 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 02:09:41,049 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 369 [2019-10-15 02:09:41,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 02:09:41,075 INFO L225 Difference]: With dead ends: 2921 [2019-10-15 02:09:41,075 INFO L226 Difference]: Without dead ends: 2917 [2019-10-15 02:09:41,078 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 742 GetRequests, 738 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-15 02:09:41,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2917 states. [2019-10-15 02:09:41,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2917 to 2915. [2019-10-15 02:09:41,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2915 states. [2019-10-15 02:09:41,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2915 states to 2915 states and 3933 transitions. [2019-10-15 02:09:41,267 INFO L78 Accepts]: Start accepts. Automaton has 2915 states and 3933 transitions. Word has length 369 [2019-10-15 02:09:41,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 02:09:41,268 INFO L462 AbstractCegarLoop]: Abstraction has 2915 states and 3933 transitions. [2019-10-15 02:09:41,268 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 02:09:41,268 INFO L276 IsEmpty]: Start isEmpty. Operand 2915 states and 3933 transitions. [2019-10-15 02:09:41,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 371 [2019-10-15 02:09:41,275 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 02:09:41,276 INFO L380 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 02:09:41,489 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 02:09:41,489 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 02:09:41,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 02:09:41,490 INFO L82 PathProgramCache]: Analyzing trace with hash 1611761346, now seen corresponding path program 1 times [2019-10-15 02:09:41,490 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 02:09:41,491 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1400622423] [2019-10-15 02:09:41,491 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:09:41,491 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:09:41,491 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 02:09:41,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:09:41,875 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 1612 trivial. 0 not checked. [2019-10-15 02:09:41,876 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1400622423] [2019-10-15 02:09:41,876 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [745547787] [2019-10-15 02:09:41,876 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 02:09:43,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:09:43,218 INFO L256 TraceCheckSpWp]: Trace formula consists of 4022 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-15 02:09:43,290 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 02:09:43,463 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1624 trivial. 0 not checked. [2019-10-15 02:09:43,463 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 02:09:44,632 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1624 trivial. 0 not checked. [2019-10-15 02:09:44,633 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-10-15 02:09:44,634 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [5] total 6 [2019-10-15 02:09:44,634 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1780554198] [2019-10-15 02:09:44,640 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 02:09:44,641 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 02:09:44,641 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 02:09:44,643 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-15 02:09:44,643 INFO L87 Difference]: Start difference. First operand 2915 states and 3933 transitions. Second operand 3 states. [2019-10-15 02:09:45,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 02:09:45,327 INFO L93 Difference]: Finished difference Result 2917 states and 3934 transitions. [2019-10-15 02:09:45,327 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 02:09:45,327 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 370 [2019-10-15 02:09:45,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 02:09:45,349 INFO L225 Difference]: With dead ends: 2917 [2019-10-15 02:09:45,349 INFO L226 Difference]: Without dead ends: 2914 [2019-10-15 02:09:45,352 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 744 GetRequests, 740 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-15 02:09:45,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2914 states. [2019-10-15 02:09:45,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2914 to 2914. [2019-10-15 02:09:45,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2914 states. [2019-10-15 02:09:45,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2914 states to 2914 states and 3931 transitions. [2019-10-15 02:09:45,502 INFO L78 Accepts]: Start accepts. Automaton has 2914 states and 3931 transitions. Word has length 370 [2019-10-15 02:09:45,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 02:09:45,507 INFO L462 AbstractCegarLoop]: Abstraction has 2914 states and 3931 transitions. [2019-10-15 02:09:45,507 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 02:09:45,507 INFO L276 IsEmpty]: Start isEmpty. Operand 2914 states and 3931 transitions. [2019-10-15 02:09:45,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 372 [2019-10-15 02:09:45,515 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 02:09:45,515 INFO L380 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 02:09:45,729 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 02:09:45,730 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 02:09:45,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 02:09:45,730 INFO L82 PathProgramCache]: Analyzing trace with hash -1576110237, now seen corresponding path program 1 times [2019-10-15 02:09:45,731 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 02:09:45,731 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [72127640] [2019-10-15 02:09:45,731 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:09:45,731 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:09:45,731 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 02:09:45,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:09:46,126 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 1612 trivial. 0 not checked. [2019-10-15 02:09:46,126 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [72127640] [2019-10-15 02:09:46,126 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [395862151] [2019-10-15 02:09:46,127 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true