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-f4eb214f-m [2019-10-13 22:06:52,008 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 22:06:52,015 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 22:06:52,035 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 22:06:52,035 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 22:06:52,038 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 22:06:52,040 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 22:06:52,050 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 22:06:52,054 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 22:06:52,057 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 22:06:52,059 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 22:06:52,061 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 22:06:52,062 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 22:06:52,064 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 22:06:52,067 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 22:06:52,069 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 22:06:52,071 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 22:06:52,073 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 22:06:52,075 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 22:06:52,080 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 22:06:52,085 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 22:06:52,088 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 22:06:52,091 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 22:06:52,092 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 22:06:52,094 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 22:06:52,094 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 22:06:52,094 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 22:06:52,097 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 22:06:52,098 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 22:06:52,099 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 22:06:52,100 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 22:06:52,101 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 22:06:52,102 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 22:06:52,102 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 22:06:52,104 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 22:06:52,104 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 22:06:52,105 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 22:06:52,105 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 22:06:52,105 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 22:06:52,106 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 22:06:52,108 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 22:06:52,109 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-13 22:06:52,143 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 22:06:52,146 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 22:06:52,148 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 22:06:52,150 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 22:06:52,151 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 22:06:52,151 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 22:06:52,151 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 22:06:52,151 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 22:06:52,151 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 22:06:52,152 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 22:06:52,152 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 22:06:52,152 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 22:06:52,152 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 22:06:52,152 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 22:06:52,152 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 22:06:52,153 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 22:06:52,153 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 22:06:52,154 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 22:06:52,155 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 22:06:52,155 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 22:06:52,155 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 22:06:52,155 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 22:06:52,156 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 22:06:52,156 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 22:06:52,156 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 22:06:52,156 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 22:06:52,156 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 22:06:52,157 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 22:06:52,157 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-13 22:06:52,447 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 22:06:52,461 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 22:06:52,465 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 22:06:52,467 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 22:06:52,467 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 22:06:52,468 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--vfio--pci--vfio-pci.ko-main.cil.out.i [2019-10-13 22:06:52,554 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e8beaa8c1/d16a206f9b08453a90c06d07f262acc2/FLAG50953eaec [2019-10-13 22:06:53,440 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 22:06:53,441 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--vfio--pci--vfio-pci.ko-main.cil.out.i [2019-10-13 22:06:53,492 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e8beaa8c1/d16a206f9b08453a90c06d07f262acc2/FLAG50953eaec [2019-10-13 22:06:53,890 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e8beaa8c1/d16a206f9b08453a90c06d07f262acc2 [2019-10-13 22:06:53,903 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 22:06:53,904 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 22:06:53,906 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 22:06:53,906 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 22:06:53,910 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 22:06:53,911 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 10:06:53" (1/1) ... [2019-10-13 22:06:53,914 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3db2b310 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:06:53, skipping insertion in model container [2019-10-13 22:06:53,915 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 10:06:53" (1/1) ... [2019-10-13 22:06:53,923 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 22:06:54,074 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 22:06:56,320 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 22:06:56,386 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 22:06:56,927 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 22:06:57,485 INFO L192 MainTranslator]: Completed translation [2019-10-13 22:06:57,486 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:06:57 WrapperNode [2019-10-13 22:06:57,486 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 22:06:57,487 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 22:06:57,487 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 22:06:57,488 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 22:06:57,505 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:06:57" (1/1) ... [2019-10-13 22:06:57,506 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:06:57" (1/1) ... [2019-10-13 22:06:57,636 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:06:57" (1/1) ... [2019-10-13 22:06:57,638 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:06:57" (1/1) ... [2019-10-13 22:06:57,821 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:06:57" (1/1) ... [2019-10-13 22:06:57,870 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:06:57" (1/1) ... [2019-10-13 22:06:57,912 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:06:57" (1/1) ... [2019-10-13 22:06:57,959 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 22:06:57,959 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 22:06:57,960 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 22:06:57,960 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 22:06:57,961 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:06:57" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 22:06:58,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 22:06:58,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 22:06:58,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-10-13 22:06:58,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2019-10-13 22:06:58,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~X~int~X~~uint32_t~0~X~$Pointer$~TO~int [2019-10-13 22:06:58,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~X~$Pointer$~X~int~X~~__le32~0~TO~int [2019-10-13 22:06:58,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~X~$Pointer$~X~int~X~$Pointer$~TO~int [2019-10-13 22:06:58,053 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2019-10-13 22:06:58,053 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2019-10-13 22:06:58,054 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2019-10-13 22:06:58,054 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2019-10-13 22:06:58,055 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2019-10-13 22:06:58,055 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-10-13 22:06:58,055 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2019-10-13 22:06:58,055 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2019-10-13 22:06:58,056 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2019-10-13 22:06:58,059 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2019-10-13 22:06:58,059 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_byte [2019-10-13 22:06:58,060 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2019-10-13 22:06:58,060 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2019-10-13 22:06:58,060 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_word [2019-10-13 22:06:58,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-13 22:06:58,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-13 22:06:58,061 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-10-13 22:06:58,061 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-13 22:06:58,061 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-10-13 22:06:58,061 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_enable [2019-10-13 22:06:58,062 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_disable [2019-10-13 22:06:58,062 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_release [2019-10-13 22:06:58,062 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_open [2019-10-13 22:06:58,062 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_get_irq_count [2019-10-13 22:06:58,063 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_ioctl [2019-10-13 22:06:58,063 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_read [2019-10-13 22:06:58,063 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_write [2019-10-13 22:06:58,063 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_mmap [2019-10-13 22:06:58,064 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_probe [2019-10-13 22:06:58,064 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_remove [2019-10-13 22:06:58,064 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_cleanup [2019-10-13 22:06:58,064 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_init [2019-10-13 22:06:58,064 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 22:06:58,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_1 [2019-10-13 22:06:58,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_2 [2019-10-13 22:06:58,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_3 [2019-10-13 22:06:58,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_4 [2019-10-13 22:06:58,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_5 [2019-10-13 22:06:58,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_6 [2019-10-13 22:06:58,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_7 [2019-10-13 22:06:58,066 INFO L138 BoogieDeclarations]: Found implementation of procedure fls [2019-10-13 22:06:58,066 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-10-13 22:06:58,066 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2019-10-13 22:06:58,066 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2019-10-13 22:06:58,066 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-10-13 22:06:58,066 INFO L138 BoogieDeclarations]: Found implementation of procedure init_waitqueue_func_entry [2019-10-13 22:06:58,067 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2019-10-13 22:06:58,067 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2019-10-13 22:06:58,067 INFO L138 BoogieDeclarations]: Found implementation of procedure init_poll_funcptr [2019-10-13 22:06:58,067 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_virqfd_init [2019-10-13 22:06:58,067 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_virqfd_exit [2019-10-13 22:06:58,068 INFO L138 BoogieDeclarations]: Found implementation of procedure virqfd_deactivate [2019-10-13 22:06:58,068 INFO L138 BoogieDeclarations]: Found implementation of procedure virqfd_wakeup [2019-10-13 22:06:58,069 INFO L138 BoogieDeclarations]: Found implementation of procedure virqfd_ptable_queue_proc [2019-10-13 22:06:58,069 INFO L138 BoogieDeclarations]: Found implementation of procedure virqfd_shutdown [2019-10-13 22:06:58,069 INFO L138 BoogieDeclarations]: Found implementation of procedure virqfd_inject [2019-10-13 22:06:58,069 INFO L138 BoogieDeclarations]: Found implementation of procedure virqfd_enable [2019-10-13 22:06:58,069 INFO L138 BoogieDeclarations]: Found implementation of procedure virqfd_disable [2019-10-13 22:06:58,069 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_send_intx_eventfd [2019-10-13 22:06:58,069 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_intx_mask [2019-10-13 22:06:58,070 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_intx_unmask_handler [2019-10-13 22:06:58,070 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_intx_unmask [2019-10-13 22:06:58,070 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_intx_handler [2019-10-13 22:06:58,070 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_intx_enable [2019-10-13 22:06:58,070 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_intx_set_signal [2019-10-13 22:06:58,070 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_intx_disable [2019-10-13 22:06:58,071 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_msihandler [2019-10-13 22:06:58,071 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_msi_enable [2019-10-13 22:06:58,071 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_msi_set_vector_signal [2019-10-13 22:06:58,072 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_msi_set_block [2019-10-13 22:06:58,072 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_msi_disable [2019-10-13 22:06:58,073 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_set_intx_unmask [2019-10-13 22:06:58,073 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_set_intx_mask [2019-10-13 22:06:58,073 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_set_intx_trigger [2019-10-13 22:06:58,074 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_set_msi_trigger [2019-10-13 22:06:58,074 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_set_irqs_ioctl [2019-10-13 22:06:58,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_15 [2019-10-13 22:06:58,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_16 [2019-10-13 22:06:58,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_17 [2019-10-13 22:06:58,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_18 [2019-10-13 22:06:58,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_19 [2019-10-13 22:06:58,075 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_io_readwrite [2019-10-13 22:06:58,075 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_mem_readwrite [2019-10-13 22:06:58,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_25 [2019-10-13 22:06:58,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_26 [2019-10-13 22:06:58,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_27 [2019-10-13 22:06:58,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_28 [2019-10-13 22:06:58,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_29 [2019-10-13 22:06:58,076 INFO L138 BoogieDeclarations]: Found implementation of procedure pcibios_err_to_errno [2019-10-13 22:06:58,076 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_user_config_read [2019-10-13 22:06:58,077 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_user_config_write [2019-10-13 22:06:58,077 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_default_config_read [2019-10-13 22:06:58,077 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_default_config_write [2019-10-13 22:06:58,077 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_direct_config_read [2019-10-13 22:06:58,077 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_direct_config_write [2019-10-13 22:06:58,077 INFO L138 BoogieDeclarations]: Found implementation of procedure free_perm_bits [2019-10-13 22:06:58,078 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_perm_bits [2019-10-13 22:06:58,078 INFO L138 BoogieDeclarations]: Found implementation of procedure p_setb [2019-10-13 22:06:58,078 INFO L138 BoogieDeclarations]: Found implementation of procedure p_setw [2019-10-13 22:06:58,078 INFO L138 BoogieDeclarations]: Found implementation of procedure p_setd [2019-10-13 22:06:58,078 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_bar_restore [2019-10-13 22:06:58,078 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_generate_bar_flags [2019-10-13 22:06:58,078 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_bar_fixup [2019-10-13 22:06:58,079 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_basic_config_read [2019-10-13 22:06:58,079 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_basic_config_write [2019-10-13 22:06:58,079 INFO L138 BoogieDeclarations]: Found implementation of procedure init_pci_cap_basic_perm [2019-10-13 22:06:58,079 INFO L138 BoogieDeclarations]: Found implementation of procedure init_pci_cap_pm_perm [2019-10-13 22:06:58,079 INFO L138 BoogieDeclarations]: Found implementation of procedure init_pci_cap_pcix_perm [2019-10-13 22:06:58,080 INFO L138 BoogieDeclarations]: Found implementation of procedure init_pci_cap_exp_perm [2019-10-13 22:06:58,080 INFO L138 BoogieDeclarations]: Found implementation of procedure init_pci_cap_af_perm [2019-10-13 22:06:58,080 INFO L138 BoogieDeclarations]: Found implementation of procedure init_pci_ext_cap_err_perm [2019-10-13 22:06:58,080 INFO L138 BoogieDeclarations]: Found implementation of procedure init_pci_ext_cap_pwr_perm [2019-10-13 22:06:58,080 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_uninit_perm_bits [2019-10-13 22:06:58,081 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_init_perm_bits [2019-10-13 22:06:58,081 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_find_cap_start [2019-10-13 22:06:58,081 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_msi_config_read [2019-10-13 22:06:58,081 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_msi_config_write [2019-10-13 22:06:58,082 INFO L138 BoogieDeclarations]: Found implementation of procedure init_pci_cap_msi_perm [2019-10-13 22:06:58,083 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_msi_cap_len [2019-10-13 22:06:58,083 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_vc_cap_len [2019-10-13 22:06:58,083 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_cap_len [2019-10-13 22:06:58,083 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_ext_cap_len [2019-10-13 22:06:58,083 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_fill_vconfig_bytes [2019-10-13 22:06:58,083 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_cap_init [2019-10-13 22:06:58,084 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_ecap_init [2019-10-13 22:06:58,084 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_config_init [2019-10-13 22:06:58,085 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_config_free [2019-10-13 22:06:58,088 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_config_do_rw [2019-10-13 22:06:58,088 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_config_readwrite [2019-10-13 22:06:58,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_35 [2019-10-13 22:06:58,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_36 [2019-10-13 22:06:58,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_37 [2019-10-13 22:06:58,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_38 [2019-10-13 22:06:58,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_39 [2019-10-13 22:06:58,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-13 22:06:58,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-13 22:06:58,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-10-13 22:06:58,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_igate_of_vfio_pci_device [2019-10-13 22:06:58,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_igate_of_vfio_pci_device [2019-10-13 22:06:58,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_igate_of_vfio_pci_device [2019-10-13 22:06:58,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_igate_of_vfio_pci_device [2019-10-13 22:06:58,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_igate_of_vfio_pci_device [2019-10-13 22:06:58,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_igate_of_vfio_pci_device [2019-10-13 22:06:58,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_igate_of_vfio_pci_device [2019-10-13 22:06:58,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2019-10-13 22:06:58,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2019-10-13 22:06:58,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2019-10-13 22:06:58,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2019-10-13 22:06:58,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-10-13 22:06:58,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2019-10-13 22:06:58,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2019-10-13 22:06:58,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-10-13 22:06:58,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2019-10-13 22:06:58,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2019-10-13 22:06:58,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2019-10-13 22:06:58,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-10-13 22:06:58,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2019-10-13 22:06:58,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2019-10-13 22:06:58,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-13 22:06:58,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-13 22:06:58,103 INFO L138 BoogieDeclarations]: Found implementation of procedure __alloc_workqueue_key [2019-10-13 22:06:58,103 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2019-10-13 22:06:58,103 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2019-10-13 22:06:58,103 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2019-10-13 22:06:58,103 INFO L138 BoogieDeclarations]: Found implementation of procedure __pci_register_driver [2019-10-13 22:06:58,103 INFO L138 BoogieDeclarations]: Found implementation of procedure __pci_reset_function [2019-10-13 22:06:58,103 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-10-13 22:06:58,104 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2019-10-13 22:06:58,104 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2019-10-13 22:06:58,104 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irq [2019-10-13 22:06:58,104 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2019-10-13 22:06:58,104 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irq [2019-10-13 22:06:58,104 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-10-13 22:06:58,104 INFO L138 BoogieDeclarations]: Found implementation of procedure add_wait_queue [2019-10-13 22:06:58,104 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2019-10-13 22:06:58,105 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_irq_nosync [2019-10-13 22:06:58,105 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_irq [2019-10-13 22:06:58,105 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_ctx_fdget [2019-10-13 22:06:58,105 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_ctx_fileget [2019-10-13 22:06:58,105 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_ctx_put [2019-10-13 22:06:58,106 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_ctx_remove_wait_queue [2019-10-13 22:06:58,106 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_fget [2019-10-13 22:06:58,106 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_signal [2019-10-13 22:06:58,106 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_work [2019-10-13 22:06:58,106 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2019-10-13 22:06:58,106 INFO L138 BoogieDeclarations]: Found implementation of procedure fput [2019-10-13 22:06:58,107 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2019-10-13 22:06:58,107 INFO L138 BoogieDeclarations]: Found implementation of procedure iommu_group_get [2019-10-13 22:06:58,107 INFO L138 BoogieDeclarations]: Found implementation of procedure iommu_group_put [2019-10-13 22:06:58,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2019-10-13 22:06:58,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2019-10-13 22:06:58,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2019-10-13 22:06:58,107 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2019-10-13 22:06:58,107 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2019-10-13 22:06:58,108 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite8 [2019-10-13 22:06:58,108 INFO L138 BoogieDeclarations]: Found implementation of procedure kasprintf [2019-10-13 22:06:58,108 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2019-10-13 22:06:58,108 INFO L138 BoogieDeclarations]: Found implementation of procedure memdup_user [2019-10-13 22:06:58,108 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2019-10-13 22:06:58,108 INFO L138 BoogieDeclarations]: Found implementation of procedure module_put [2019-10-13 22:06:58,108 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2019-10-13 22:06:58,109 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2019-10-13 22:06:58,109 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-10-13 22:06:58,109 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_read_config_byte [2019-10-13 22:06:58,109 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_read_config_dword [2019-10-13 22:06:58,109 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_read_config_word [2019-10-13 22:06:58,109 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_write_config_word [2019-10-13 22:06:58,109 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_check_and_mask_intx [2019-10-13 22:06:58,110 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_check_and_unmask_intx [2019-10-13 22:06:58,110 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2019-10-13 22:06:58,110 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2019-10-13 22:06:58,110 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msix [2019-10-13 22:06:58,110 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2019-10-13 22:06:58,110 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_msi_block [2019-10-13 22:06:58,110 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_msix [2019-10-13 22:06:58,110 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_find_capability [2019-10-13 22:06:58,111 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_intx [2019-10-13 22:06:58,111 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_intx_mask_supported [2019-10-13 22:06:58,111 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2019-10-13 22:06:58,111 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2019-10-13 22:06:58,111 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_load_and_free_saved_state [2019-10-13 22:06:58,111 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_rom [2019-10-13 22:06:58,111 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_selected_regions [2019-10-13 22:06:58,111 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_request_selected_regions [2019-10-13 22:06:58,112 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_reset_function [2019-10-13 22:06:58,112 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2019-10-13 22:06:58,112 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2019-10-13 22:06:58,112 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_store_saved_state [2019-10-13 22:06:58,112 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_rom [2019-10-13 22:06:58,112 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2019-10-13 22:06:58,112 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_user_read_config_byte [2019-10-13 22:06:58,112 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_user_read_config_dword [2019-10-13 22:06:58,113 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_user_read_config_word [2019-10-13 22:06:58,113 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_user_write_config_byte [2019-10-13 22:06:58,113 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_user_write_config_dword [2019-10-13 22:06:58,113 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_user_write_config_word [2019-10-13 22:06:58,113 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-13 22:06:58,113 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2019-10-13 22:06:58,113 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_pfn_range [2019-10-13 22:06:58,113 INFO L138 BoogieDeclarations]: Found implementation of procedure request_threaded_irq [2019-10-13 22:06:58,114 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2019-10-13 22:06:58,114 INFO L138 BoogieDeclarations]: Found implementation of procedure try_module_get [2019-10-13 22:06:58,114 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_add_group_dev [2019-10-13 22:06:58,114 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_del_group_dev [2019-10-13 22:06:58,114 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_fmt [2019-10-13 22:06:58,114 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2019-10-13 22:06:58,114 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-13 22:06:58,114 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-13 22:06:58,115 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-13 22:06:58,115 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-10-13 22:06:58,115 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 22:06:58,115 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-13 22:06:58,115 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-13 22:06:58,116 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2019-10-13 22:06:58,120 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2019-10-13 22:06:58,120 INFO L130 BoogieDeclarations]: Found specification of procedure memdup_user [2019-10-13 22:06:58,121 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_fmt [2019-10-13 22:06:58,121 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2019-10-13 22:06:58,121 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2019-10-13 22:06:58,121 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2019-10-13 22:06:58,121 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2019-10-13 22:06:58,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 22:06:58,121 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2019-10-13 22:06:58,122 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2019-10-13 22:06:58,122 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2019-10-13 22:06:58,124 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2019-10-13 22:06:58,125 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_4 [2019-10-13 22:06:58,125 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-10-13 22:06:58,125 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_2 [2019-10-13 22:06:58,125 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_5 [2019-10-13 22:06:58,125 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_7 [2019-10-13 22:06:58,125 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2019-10-13 22:06:58,125 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_1 [2019-10-13 22:06:58,125 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_3 [2019-10-13 22:06:58,126 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_6 [2019-10-13 22:06:58,126 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_igate_of_vfio_pci_device [2019-10-13 22:06:58,126 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_igate_of_vfio_pci_device [2019-10-13 22:06:58,126 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2019-10-13 22:06:58,126 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2019-10-13 22:06:58,126 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2019-10-13 22:06:58,126 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2019-10-13 22:06:58,126 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2019-10-13 22:06:58,127 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 22:06:58,127 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-10-13 22:06:58,127 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-10-13 22:06:58,127 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2019-10-13 22:06:58,127 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 22:06:58,128 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2019-10-13 22:06:58,128 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2019-10-13 22:06:58,128 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2019-10-13 22:06:58,128 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2019-10-13 22:06:58,128 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2019-10-13 22:06:58,128 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2019-10-13 22:06:58,129 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 22:06:58,129 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2019-10-13 22:06:58,129 INFO L130 BoogieDeclarations]: Found specification of procedure iommu_group_get [2019-10-13 22:06:58,129 INFO L130 BoogieDeclarations]: Found specification of procedure iommu_group_put [2019-10-13 22:06:58,129 INFO L130 BoogieDeclarations]: Found specification of procedure try_module_get [2019-10-13 22:06:58,129 INFO L130 BoogieDeclarations]: Found specification of procedure module_put [2019-10-13 22:06:58,129 INFO L130 BoogieDeclarations]: Found specification of procedure pci_find_capability [2019-10-13 22:06:58,129 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_read_config_byte [2019-10-13 22:06:58,130 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_read_config_word [2019-10-13 22:06:58,130 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_read_config_dword [2019-10-13 22:06:58,130 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_write_config_word [2019-10-13 22:06:58,130 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_byte [2019-10-13 22:06:58,130 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 22:06:58,130 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2019-10-13 22:06:58,130 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2019-10-13 22:06:58,130 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_word [2019-10-13 22:06:58,130 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2019-10-13 22:06:58,131 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2019-10-13 22:06:58,131 INFO L130 BoogieDeclarations]: Found specification of procedure pci_intx_mask_supported [2019-10-13 22:06:58,131 INFO L130 BoogieDeclarations]: Found specification of procedure __pci_reset_function [2019-10-13 22:06:58,131 INFO L130 BoogieDeclarations]: Found specification of procedure pci_reset_function [2019-10-13 22:06:58,131 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_rom [2019-10-13 22:06:58,131 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_rom [2019-10-13 22:06:58,131 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2019-10-13 22:06:58,131 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2019-10-13 22:06:58,132 INFO L130 BoogieDeclarations]: Found specification of procedure pci_store_saved_state [2019-10-13 22:06:58,132 INFO L130 BoogieDeclarations]: Found specification of procedure pci_load_and_free_saved_state [2019-10-13 22:06:58,132 INFO L130 BoogieDeclarations]: Found specification of procedure pci_request_selected_regions [2019-10-13 22:06:58,132 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_selected_regions [2019-10-13 22:06:58,132 INFO L130 BoogieDeclarations]: Found specification of procedure __pci_register_driver [2019-10-13 22:06:58,132 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2019-10-13 22:06:58,132 INFO L130 BoogieDeclarations]: Found specification of procedure remap_pfn_range [2019-10-13 22:06:58,132 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-13 22:06:58,133 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-13 22:06:58,133 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 22:06:58,133 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-13 22:06:58,133 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-13 22:06:58,133 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 22:06:58,133 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-10-13 22:06:58,133 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-13 22:06:58,133 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-10-13 22:06:58,134 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_add_group_dev [2019-10-13 22:06:58,134 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_del_group_dev [2019-10-13 22:06:58,134 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_set_irqs_ioctl [2019-10-13 22:06:58,134 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_config_readwrite [2019-10-13 22:06:58,134 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_mem_readwrite [2019-10-13 22:06:58,134 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_io_readwrite [2019-10-13 22:06:58,134 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_init_perm_bits [2019-10-13 22:06:58,134 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_uninit_perm_bits [2019-10-13 22:06:58,135 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_virqfd_init [2019-10-13 22:06:58,135 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_virqfd_exit [2019-10-13 22:06:58,135 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_config_init [2019-10-13 22:06:58,135 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_config_free [2019-10-13 22:06:58,135 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_enable [2019-10-13 22:06:58,135 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 22:06:58,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 22:06:58,136 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_disable [2019-10-13 22:06:58,136 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_release [2019-10-13 22:06:58,136 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_open [2019-10-13 22:06:58,136 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_get_irq_count [2019-10-13 22:06:58,136 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_ioctl [2019-10-13 22:06:58,136 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_read [2019-10-13 22:06:58,136 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_write [2019-10-13 22:06:58,137 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_mmap [2019-10-13 22:06:58,137 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_probe [2019-10-13 22:06:58,137 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_remove [2019-10-13 22:06:58,137 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_cleanup [2019-10-13 22:06:58,137 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_init [2019-10-13 22:06:58,137 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-13 22:06:58,137 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-13 22:06:58,138 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 22:06:58,138 INFO L130 BoogieDeclarations]: Found specification of procedure fls [2019-10-13 22:06:58,138 INFO L130 BoogieDeclarations]: Found specification of procedure kasprintf [2019-10-13 22:06:58,138 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-10-13 22:06:58,138 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2019-10-13 22:06:58,138 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_18 [2019-10-13 22:06:58,138 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_16 [2019-10-13 22:06:58,139 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_19 [2019-10-13 22:06:58,139 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_15 [2019-10-13 22:06:58,139 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_17 [2019-10-13 22:06:58,139 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irq [2019-10-13 22:06:58,139 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2019-10-13 22:06:58,139 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irq [2019-10-13 22:06:58,140 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-10-13 22:06:58,140 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2019-10-13 22:06:58,140 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2019-10-13 22:06:58,140 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-10-13 22:06:58,140 INFO L130 BoogieDeclarations]: Found specification of procedure init_waitqueue_func_entry [2019-10-13 22:06:58,140 INFO L130 BoogieDeclarations]: Found specification of procedure add_wait_queue [2019-10-13 22:06:58,140 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2019-10-13 22:06:58,141 INFO L130 BoogieDeclarations]: Found specification of procedure __alloc_workqueue_key [2019-10-13 22:06:58,141 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2019-10-13 22:06:58,141 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2019-10-13 22:06:58,141 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2019-10-13 22:06:58,141 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2019-10-13 22:06:58,142 INFO L130 BoogieDeclarations]: Found specification of procedure flush_work [2019-10-13 22:06:58,142 INFO L130 BoogieDeclarations]: Found specification of procedure request_threaded_irq [2019-10-13 22:06:58,142 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2019-10-13 22:06:58,142 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2019-10-13 22:06:58,143 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq_nosync [2019-10-13 22:06:58,143 INFO L130 BoogieDeclarations]: Found specification of procedure enable_irq [2019-10-13 22:06:58,143 INFO L130 BoogieDeclarations]: Found specification of procedure fput [2019-10-13 22:06:58,143 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_ctx_put [2019-10-13 22:06:58,144 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_fget [2019-10-13 22:06:58,144 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_ctx_fdget [2019-10-13 22:06:58,144 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_ctx_fileget [2019-10-13 22:06:58,144 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_signal [2019-10-13 22:06:58,144 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_ctx_remove_wait_queue [2019-10-13 22:06:58,144 INFO L130 BoogieDeclarations]: Found specification of procedure pci_intx [2019-10-13 22:06:58,144 INFO L130 BoogieDeclarations]: Found specification of procedure pci_check_and_mask_intx [2019-10-13 22:06:58,144 INFO L130 BoogieDeclarations]: Found specification of procedure pci_check_and_unmask_intx [2019-10-13 22:06:58,144 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_msi_block [2019-10-13 22:06:58,145 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2019-10-13 22:06:58,145 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_msix [2019-10-13 22:06:58,145 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msix [2019-10-13 22:06:58,145 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2019-10-13 22:06:58,145 INFO L130 BoogieDeclarations]: Found specification of procedure init_poll_funcptr [2019-10-13 22:06:58,145 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_intx_mask [2019-10-13 22:06:58,145 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_intx_unmask [2019-10-13 22:06:58,145 INFO L130 BoogieDeclarations]: Found specification of procedure virqfd_deactivate [2019-10-13 22:06:58,145 INFO L130 BoogieDeclarations]: Found specification of procedure virqfd_wakeup [2019-10-13 22:06:58,146 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-10-13 22:06:58,146 INFO L130 BoogieDeclarations]: Found specification of procedure virqfd_ptable_queue_proc [2019-10-13 22:06:58,146 INFO L130 BoogieDeclarations]: Found specification of procedure virqfd_shutdown [2019-10-13 22:06:58,146 INFO L130 BoogieDeclarations]: Found specification of procedure virqfd_inject [2019-10-13 22:06:58,146 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2019-10-13 22:06:58,146 INFO L130 BoogieDeclarations]: Found specification of procedure virqfd_enable [2019-10-13 22:06:58,146 INFO L130 BoogieDeclarations]: Found specification of procedure virqfd_disable [2019-10-13 22:06:58,146 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_send_intx_eventfd [2019-10-13 22:06:58,146 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_intx_unmask_handler [2019-10-13 22:06:58,147 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_intx_handler [2019-10-13 22:06:58,147 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_intx_enable [2019-10-13 22:06:58,147 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_intx_set_signal [2019-10-13 22:06:58,147 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_intx_disable [2019-10-13 22:06:58,147 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_msihandler [2019-10-13 22:06:58,147 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_msi_enable [2019-10-13 22:06:58,147 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_msi_set_vector_signal [2019-10-13 22:06:58,147 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_msi_set_block [2019-10-13 22:06:58,148 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_msi_disable [2019-10-13 22:06:58,148 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_set_intx_unmask [2019-10-13 22:06:58,148 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_set_intx_mask [2019-10-13 22:06:58,148 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_set_intx_trigger [2019-10-13 22:06:58,148 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_set_msi_trigger [2019-10-13 22:06:58,148 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~X~int~X~~uint32_t~0~X~$Pointer$~TO~int [2019-10-13 22:06:58,148 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_28 [2019-10-13 22:06:58,148 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_26 [2019-10-13 22:06:58,148 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_29 [2019-10-13 22:06:58,149 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_25 [2019-10-13 22:06:58,149 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_27 [2019-10-13 22:06:58,149 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2019-10-13 22:06:58,149 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2019-10-13 22:06:58,149 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2019-10-13 22:06:58,149 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8 [2019-10-13 22:06:58,149 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2019-10-13 22:06:58,149 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2019-10-13 22:06:58,150 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-13 22:06:58,150 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-13 22:06:58,150 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2019-10-13 22:06:58,150 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_38 [2019-10-13 22:06:58,150 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_36 [2019-10-13 22:06:58,150 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_39 [2019-10-13 22:06:58,150 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_35 [2019-10-13 22:06:58,150 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_37 [2019-10-13 22:06:58,151 INFO L130 BoogieDeclarations]: Found specification of procedure pcibios_err_to_errno [2019-10-13 22:06:58,151 INFO L130 BoogieDeclarations]: Found specification of procedure pci_user_read_config_byte [2019-10-13 22:06:58,151 INFO L130 BoogieDeclarations]: Found specification of procedure pci_user_read_config_word [2019-10-13 22:06:58,151 INFO L130 BoogieDeclarations]: Found specification of procedure pci_user_read_config_dword [2019-10-13 22:06:58,151 INFO L130 BoogieDeclarations]: Found specification of procedure pci_user_write_config_byte [2019-10-13 22:06:58,151 INFO L130 BoogieDeclarations]: Found specification of procedure pci_user_write_config_word [2019-10-13 22:06:58,151 INFO L130 BoogieDeclarations]: Found specification of procedure pci_user_write_config_dword [2019-10-13 22:06:58,151 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_user_config_read [2019-10-13 22:06:58,152 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_user_config_write [2019-10-13 22:06:58,152 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_default_config_read [2019-10-13 22:06:58,152 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-10-13 22:06:58,152 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_default_config_write [2019-10-13 22:06:58,152 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_direct_config_read [2019-10-13 22:06:58,152 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_direct_config_write [2019-10-13 22:06:58,152 INFO L130 BoogieDeclarations]: Found specification of procedure free_perm_bits [2019-10-13 22:06:58,152 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_perm_bits [2019-10-13 22:06:58,152 INFO L130 BoogieDeclarations]: Found specification of procedure p_setb [2019-10-13 22:06:58,153 INFO L130 BoogieDeclarations]: Found specification of procedure p_setw [2019-10-13 22:06:58,153 INFO L130 BoogieDeclarations]: Found specification of procedure p_setd [2019-10-13 22:06:58,153 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_bar_restore [2019-10-13 22:06:58,153 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_generate_bar_flags [2019-10-13 22:06:58,153 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_bar_fixup [2019-10-13 22:06:58,153 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_basic_config_read [2019-10-13 22:06:58,153 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_basic_config_write [2019-10-13 22:06:58,153 INFO L130 BoogieDeclarations]: Found specification of procedure init_pci_cap_basic_perm [2019-10-13 22:06:58,154 INFO L130 BoogieDeclarations]: Found specification of procedure init_pci_cap_pm_perm [2019-10-13 22:06:58,154 INFO L130 BoogieDeclarations]: Found specification of procedure init_pci_cap_pcix_perm [2019-10-13 22:06:58,154 INFO L130 BoogieDeclarations]: Found specification of procedure init_pci_cap_exp_perm [2019-10-13 22:06:58,154 INFO L130 BoogieDeclarations]: Found specification of procedure init_pci_cap_af_perm [2019-10-13 22:06:58,154 INFO L130 BoogieDeclarations]: Found specification of procedure init_pci_ext_cap_err_perm [2019-10-13 22:06:58,154 INFO L130 BoogieDeclarations]: Found specification of procedure init_pci_ext_cap_pwr_perm [2019-10-13 22:06:58,154 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_find_cap_start [2019-10-13 22:06:58,154 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_msi_config_read [2019-10-13 22:06:58,154 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_msi_config_write [2019-10-13 22:06:58,155 INFO L130 BoogieDeclarations]: Found specification of procedure init_pci_cap_msi_perm [2019-10-13 22:06:58,155 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_msi_cap_len [2019-10-13 22:06:58,155 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_vc_cap_len [2019-10-13 22:06:58,155 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_cap_len [2019-10-13 22:06:58,155 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_ext_cap_len [2019-10-13 22:06:58,155 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_fill_vconfig_bytes [2019-10-13 22:06:58,155 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_cap_init [2019-10-13 22:06:58,155 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-13 22:06:58,155 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_ecap_init [2019-10-13 22:06:58,156 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_config_do_rw [2019-10-13 22:06:58,156 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~X~$Pointer$~X~int~X~~__le32~0~TO~int [2019-10-13 22:06:58,156 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~X~$Pointer$~X~int~X~$Pointer$~TO~int [2019-10-13 22:06:58,156 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-13 22:06:58,156 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-10-13 22:06:58,156 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_igate_of_vfio_pci_device [2019-10-13 22:06:58,156 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_igate_of_vfio_pci_device [2019-10-13 22:06:58,156 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_igate_of_vfio_pci_device [2019-10-13 22:06:58,157 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_igate_of_vfio_pci_device [2019-10-13 22:06:58,157 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_igate_of_vfio_pci_device [2019-10-13 22:06:58,157 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2019-10-13 22:06:58,157 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2019-10-13 22:06:58,157 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2019-10-13 22:06:58,157 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-10-13 22:06:58,157 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2019-10-13 22:06:58,157 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-10-13 22:06:58,157 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2019-10-13 22:06:58,158 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-10-13 22:06:58,158 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2019-10-13 22:06:58,158 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-13 22:06:58,158 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-13 22:06:58,158 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-10-13 22:06:58,162 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-10-13 22:06:58,162 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-13 22:06:58,162 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 22:06:58,162 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 22:06:58,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-13 22:06:58,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 22:06:58,163 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 22:06:58,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-13 22:06:58,163 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-13 22:06:58,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-13 22:06:58,163 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-13 22:06:59,780 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-13 22:07:00,094 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; [2019-10-13 22:07:00,094 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint L2749: assume !#t~short211; [2019-10-13 22:07:00,094 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint L2749-2: assume #t~short211;havoc #t~mem210;havoc #t~short211;havoc #t~mem208;havoc #t~mem209;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; [2019-10-13 22:07:00,095 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint L2749-2: assume !#t~short211;havoc #t~mem210;havoc #t~short211;havoc #t~mem208;havoc #t~mem209; [2019-10-13 22:07:00,095 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint L2738: assume #t~short202;havoc #t~mem196;havoc #t~mem199;havoc #t~mem201;havoc #t~mem200;havoc #t~mem198;havoc #t~short202;havoc #t~mem197;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~mem206;havoc #t~mem204;havoc #t~mem203; [2019-10-13 22:07:00,095 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint L2738: assume !#t~short202;havoc #t~mem196;havoc #t~mem199;havoc #t~mem201;havoc #t~mem200;havoc #t~mem198;havoc #t~short202;havoc #t~mem197;call write~int(0, ~#info___0~0.base, 16 + ~#info___0~0.offset, 8); [2019-10-13 22:07:00,095 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume #t~short202; [2019-10-13 22:07:00,095 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint L2738-2: call #t~mem207 := read~int(~#info___0~0.base, 16 + ~#info___0~0.offset, 8); [2019-10-13 22:07:00,096 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; [2019-10-13 22:07:00,096 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); [2019-10-13 22:07:00,096 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; [2019-10-13 22:07:08,982 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 22:07:08,982 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-13 22:07:08,984 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 10:07:08 BoogieIcfgContainer [2019-10-13 22:07:08,985 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 22:07:08,986 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 22:07:08,986 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 22:07:08,989 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 22:07:08,990 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 10:06:53" (1/3) ... [2019-10-13 22:07:08,990 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17fb1ccc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 10:07:08, skipping insertion in model container [2019-10-13 22:07:08,991 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:06:57" (2/3) ... [2019-10-13 22:07:08,991 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17fb1ccc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 10:07:08, skipping insertion in model container [2019-10-13 22:07:08,991 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 10:07:08" (3/3) ... [2019-10-13 22:07:08,993 INFO L109 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--vfio--pci--vfio-pci.ko-main.cil.out.i [2019-10-13 22:07:09,003 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 22:07:09,014 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 22:07:09,026 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 22:07:09,064 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 22:07:09,064 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 22:07:09,064 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 22:07:09,065 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 22:07:09,065 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 22:07:09,065 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 22:07:09,065 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 22:07:09,065 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 22:07:09,125 INFO L276 IsEmpty]: Start isEmpty. Operand 2005 states. [2019-10-13 22:07:09,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-10-13 22:07:09,160 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:07:09,161 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] [2019-10-13 22:07:09,166 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:07:09,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:07:09,171 INFO L82 PathProgramCache]: Analyzing trace with hash -262219613, now seen corresponding path program 1 times [2019-10-13 22:07:09,181 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:07:09,182 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [468372341] [2019-10-13 22:07:09,182 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:07:09,182 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:07:09,182 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:07:09,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:07:09,933 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 22:07:09,934 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [468372341] [2019-10-13 22:07:09,935 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:07:09,935 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 22:07:09,936 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049536637] [2019-10-13 22:07:09,941 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 22:07:09,942 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:07:09,958 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 22:07:09,959 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 22:07:09,961 INFO L87 Difference]: Start difference. First operand 2005 states. Second operand 3 states. [2019-10-13 22:07:10,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:07:10,507 INFO L93 Difference]: Finished difference Result 4012 states and 5559 transitions. [2019-10-13 22:07:10,508 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 22:07:10,509 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2019-10-13 22:07:10,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:07:10,573 INFO L225 Difference]: With dead ends: 4012 [2019-10-13 22:07:10,573 INFO L226 Difference]: Without dead ends: 2143 [2019-10-13 22:07:10,592 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 22:07:10,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2143 states. [2019-10-13 22:07:10,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2143 to 2132. [2019-10-13 22:07:10,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2132 states. [2019-10-13 22:07:10,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2132 states to 2132 states and 2932 transitions. [2019-10-13 22:07:10,854 INFO L78 Accepts]: Start accepts. Automaton has 2132 states and 2932 transitions. Word has length 53 [2019-10-13 22:07:10,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:07:10,855 INFO L462 AbstractCegarLoop]: Abstraction has 2132 states and 2932 transitions. [2019-10-13 22:07:10,855 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 22:07:10,855 INFO L276 IsEmpty]: Start isEmpty. Operand 2132 states and 2932 transitions. [2019-10-13 22:07:10,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2019-10-13 22:07:10,874 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:07:10,875 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] [2019-10-13 22:07:10,875 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:07:10,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:07:10,876 INFO L82 PathProgramCache]: Analyzing trace with hash -1280935881, now seen corresponding path program 1 times [2019-10-13 22:07:10,876 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:07:10,876 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [760389341] [2019-10-13 22:07:10,877 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:07:10,877 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:07:10,877 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:07:10,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:07:11,138 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 308 trivial. 0 not checked. [2019-10-13 22:07:11,139 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [760389341] [2019-10-13 22:07:11,139 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:07:11,139 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 22:07:11,140 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1272357395] [2019-10-13 22:07:11,141 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 22:07:11,142 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:07:11,142 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 22:07:11,142 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 22:07:11,143 INFO L87 Difference]: Start difference. First operand 2132 states and 2932 transitions. Second operand 3 states. [2019-10-13 22:07:11,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:07:11,534 INFO L93 Difference]: Finished difference Result 4436 states and 6070 transitions. [2019-10-13 22:07:11,535 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 22:07:11,535 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 112 [2019-10-13 22:07:11,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:07:11,550 INFO L225 Difference]: With dead ends: 4436 [2019-10-13 22:07:11,551 INFO L226 Difference]: Without dead ends: 2313 [2019-10-13 22:07:11,561 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 22:07:11,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2313 states. [2019-10-13 22:07:11,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2313 to 2313. [2019-10-13 22:07:11,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2313 states. [2019-10-13 22:07:11,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2313 states to 2313 states and 3144 transitions. [2019-10-13 22:07:11,662 INFO L78 Accepts]: Start accepts. Automaton has 2313 states and 3144 transitions. Word has length 112 [2019-10-13 22:07:11,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:07:11,663 INFO L462 AbstractCegarLoop]: Abstraction has 2313 states and 3144 transitions. [2019-10-13 22:07:11,663 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 22:07:11,663 INFO L276 IsEmpty]: Start isEmpty. Operand 2313 states and 3144 transitions. [2019-10-13 22:07:11,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 370 [2019-10-13 22:07:11,670 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:07:11,670 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] [2019-10-13 22:07:11,671 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:07:11,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:07:11,671 INFO L82 PathProgramCache]: Analyzing trace with hash -640708576, now seen corresponding path program 1 times [2019-10-13 22:07:11,671 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:07:11,672 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [299366090] [2019-10-13 22:07:11,672 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:07:11,672 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:07:11,672 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:07:11,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:07:12,901 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 1612 trivial. 0 not checked. [2019-10-13 22:07:12,902 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [299366090] [2019-10-13 22:07:12,902 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [295380807] [2019-10-13 22:07:12,902 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 [2019-10-13 22:07:14,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:07:14,433 INFO L256 TraceCheckSpWp]: Trace formula consists of 4020 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-13 22:07:14,460 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 22:07:14,861 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1624 trivial. 0 not checked. [2019-10-13 22:07:14,862 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 22:07:16,052 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1624 trivial. 0 not checked. [2019-10-13 22:07:16,053 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-10-13 22:07:16,054 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [5] total 6 [2019-10-13 22:07:16,055 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [122907463] [2019-10-13 22:07:16,060 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 22:07:16,061 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:07:16,061 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 22:07:16,061 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 22:07:16,062 INFO L87 Difference]: Start difference. First operand 2313 states and 3144 transitions. Second operand 3 states. [2019-10-13 22:07:16,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:07:16,534 INFO L93 Difference]: Finished difference Result 2921 states and 3939 transitions. [2019-10-13 22:07:16,535 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 22:07:16,535 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 369 [2019-10-13 22:07:16,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:07:16,582 INFO L225 Difference]: With dead ends: 2921 [2019-10-13 22:07:16,582 INFO L226 Difference]: Without dead ends: 2917 [2019-10-13 22:07:16,585 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 [2019-10-13 22:07:16,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2917 states. [2019-10-13 22:07:16,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2917 to 2915. [2019-10-13 22:07:16,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2915 states. [2019-10-13 22:07:16,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2915 states to 2915 states and 3933 transitions. [2019-10-13 22:07:16,755 INFO L78 Accepts]: Start accepts. Automaton has 2915 states and 3933 transitions. Word has length 369 [2019-10-13 22:07:16,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:07:16,757 INFO L462 AbstractCegarLoop]: Abstraction has 2915 states and 3933 transitions. [2019-10-13 22:07:16,758 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 22:07:16,758 INFO L276 IsEmpty]: Start isEmpty. Operand 2915 states and 3933 transitions. [2019-10-13 22:07:16,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 371 [2019-10-13 22:07:16,766 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:07:16,767 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] [2019-10-13 22:07:16,978 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 22:07:16,979 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:07:16,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:07:16,980 INFO L82 PathProgramCache]: Analyzing trace with hash 1611761346, now seen corresponding path program 1 times [2019-10-13 22:07:16,980 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:07:16,981 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1044988185] [2019-10-13 22:07:16,981 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:07:16,981 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:07:16,982 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:07:17,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:07:17,310 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 1612 trivial. 0 not checked. [2019-10-13 22:07:17,311 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1044988185] [2019-10-13 22:07:17,311 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [834318978] [2019-10-13 22:07:17,312 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 [2019-10-13 22:07:18,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:07:18,564 INFO L256 TraceCheckSpWp]: Trace formula consists of 4022 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-13 22:07:18,579 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 22:07:18,696 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1624 trivial. 0 not checked. [2019-10-13 22:07:18,696 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 22:07:19,704 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1624 trivial. 0 not checked. [2019-10-13 22:07:19,705 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-10-13 22:07:19,705 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [5] total 6 [2019-10-13 22:07:19,705 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215786902] [2019-10-13 22:07:19,711 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 22:07:19,711 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:07:19,712 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 22:07:19,713 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 22:07:19,713 INFO L87 Difference]: Start difference. First operand 2915 states and 3933 transitions. Second operand 3 states. [2019-10-13 22:07:20,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:07:20,112 INFO L93 Difference]: Finished difference Result 2917 states and 3934 transitions. [2019-10-13 22:07:20,112 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 22:07:20,113 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 370 [2019-10-13 22:07:20,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:07:20,133 INFO L225 Difference]: With dead ends: 2917 [2019-10-13 22:07:20,133 INFO L226 Difference]: Without dead ends: 2914 [2019-10-13 22:07:20,136 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 [2019-10-13 22:07:20,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2914 states. [2019-10-13 22:07:20,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2914 to 2914. [2019-10-13 22:07:20,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2914 states. [2019-10-13 22:07:20,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2914 states to 2914 states and 3931 transitions. [2019-10-13 22:07:20,271 INFO L78 Accepts]: Start accepts. Automaton has 2914 states and 3931 transitions. Word has length 370 [2019-10-13 22:07:20,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:07:20,272 INFO L462 AbstractCegarLoop]: Abstraction has 2914 states and 3931 transitions. [2019-10-13 22:07:20,273 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 22:07:20,273 INFO L276 IsEmpty]: Start isEmpty. Operand 2914 states and 3931 transitions. [2019-10-13 22:07:20,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 372 [2019-10-13 22:07:20,279 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:07:20,280 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] [2019-10-13 22:07:20,493 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 22:07:20,493 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:07:20,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:07:20,494 INFO L82 PathProgramCache]: Analyzing trace with hash -1576110237, now seen corresponding path program 1 times [2019-10-13 22:07:20,494 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:07:20,494 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [661877164] [2019-10-13 22:07:20,494 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:07:20,494 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:07:20,494 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:07:20,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:07:20,805 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 1612 trivial. 0 not checked. [2019-10-13 22:07:20,806 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [661877164] [2019-10-13 22:07:20,806 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1577155262] [2019-10-13 22:07:20,806 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 [2019-10-13 22:07:22,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:07:22,179 INFO L256 TraceCheckSpWp]: Trace formula consists of 4024 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-13 22:07:22,192 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 22:07:22,335 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1624 trivial. 0 not checked. [2019-10-13 22:07:22,336 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 22:07:23,323 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1624 trivial. 0 not checked. [2019-10-13 22:07:23,324 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-10-13 22:07:23,324 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [5] total 6 [2019-10-13 22:07:23,324 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1264638695] [2019-10-13 22:07:23,325 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 22:07:23,326 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:07:23,326 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 22:07:23,326 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 22:07:23,326 INFO L87 Difference]: Start difference. First operand 2914 states and 3931 transitions. Second operand 3 states. [2019-10-13 22:07:23,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:07:23,587 INFO L93 Difference]: Finished difference Result 2916 states and 3932 transitions. [2019-10-13 22:07:23,616 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 22:07:23,617 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 371 [2019-10-13 22:07:23,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:07:23,636 INFO L225 Difference]: With dead ends: 2916 [2019-10-13 22:07:23,637 INFO L226 Difference]: Without dead ends: 2858 [2019-10-13 22:07:23,640 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 746 GetRequests, 742 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 22:07:23,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2858 states. [2019-10-13 22:07:23,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2858 to 2858. [2019-10-13 22:07:23,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2858 states. [2019-10-13 22:07:23,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2858 states to 2858 states and 3857 transitions. [2019-10-13 22:07:23,780 INFO L78 Accepts]: Start accepts. Automaton has 2858 states and 3857 transitions. Word has length 371 [2019-10-13 22:07:23,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:07:23,781 INFO L462 AbstractCegarLoop]: Abstraction has 2858 states and 3857 transitions. [2019-10-13 22:07:23,781 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 22:07:23,782 INFO L276 IsEmpty]: Start isEmpty. Operand 2858 states and 3857 transitions. [2019-10-13 22:07:23,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 429 [2019-10-13 22:07:23,796 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:07:23,797 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, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]