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/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -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-efa34d5 [2019-09-16 17:22:15,618 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-16 17:22:15,620 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-16 17:22:15,633 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-16 17:22:15,633 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-16 17:22:15,634 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-16 17:22:15,636 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-16 17:22:15,638 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-16 17:22:15,639 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-16 17:22:15,640 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-16 17:22:15,641 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-16 17:22:15,642 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-16 17:22:15,643 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-16 17:22:15,644 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-16 17:22:15,644 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-16 17:22:15,646 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-16 17:22:15,647 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-16 17:22:15,647 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-16 17:22:15,649 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-16 17:22:15,652 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-16 17:22:15,653 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-16 17:22:15,655 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-16 17:22:15,656 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-16 17:22:15,657 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-16 17:22:15,659 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-16 17:22:15,659 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-16 17:22:15,660 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-16 17:22:15,661 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-16 17:22:15,661 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-16 17:22:15,662 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-16 17:22:15,662 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-16 17:22:15,663 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-16 17:22:15,664 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-16 17:22:15,665 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-16 17:22:15,666 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-16 17:22:15,666 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-16 17:22:15,667 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-16 17:22:15,667 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-16 17:22:15,667 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-16 17:22:15,668 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-16 17:22:15,669 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-16 17:22:15,669 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-09-16 17:22:15,685 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-16 17:22:15,685 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-16 17:22:15,686 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-16 17:22:15,686 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-16 17:22:15,689 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-16 17:22:15,689 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-16 17:22:15,690 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-16 17:22:15,690 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-16 17:22:15,690 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-16 17:22:15,690 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-16 17:22:15,691 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-16 17:22:15,691 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-16 17:22:15,691 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-16 17:22:15,691 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-16 17:22:15,692 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-16 17:22:15,692 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-16 17:22:15,692 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-16 17:22:15,692 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-16 17:22:15,692 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-16 17:22:15,693 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-16 17:22:15,693 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-16 17:22:15,693 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-16 17:22:15,694 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-16 17:22:15,695 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-16 17:22:15,695 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-16 17:22:15,695 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-16 17:22:15,695 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-16 17:22:15,696 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-16 17:22:15,696 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-16 17:22:15,696 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-16 17:22:15,736 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-16 17:22:15,752 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-16 17:22:15,758 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-16 17:22:15,761 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-16 17:22:15,761 INFO L275 PluginConnector]: CDTParser initialized [2019-09-16 17:22:15,762 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--vfio--pci--vfio-pci.ko-main.cil.out.i [2019-09-16 17:22:15,842 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6884c134/070407c303a240579336384074e4d994/FLAGf5c0c9ec5 [2019-09-16 17:22:16,695 INFO L306 CDTParser]: Found 1 translation units. [2019-09-16 17:22:16,696 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--vfio--pci--vfio-pci.ko-main.cil.out.i [2019-09-16 17:22:16,735 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6884c134/070407c303a240579336384074e4d994/FLAGf5c0c9ec5 [2019-09-16 17:22:17,196 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6884c134/070407c303a240579336384074e4d994 [2019-09-16 17:22:17,206 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-16 17:22:17,207 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-16 17:22:17,208 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-16 17:22:17,209 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-16 17:22:17,212 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-16 17:22:17,213 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 05:22:17" (1/1) ... [2019-09-16 17:22:17,216 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48471717 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:22:17, skipping insertion in model container [2019-09-16 17:22:17,217 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 05:22:17" (1/1) ... [2019-09-16 17:22:17,225 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-16 17:22:17,374 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-16 17:22:19,422 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 17:22:19,458 INFO L188 MainTranslator]: Completed pre-run [2019-09-16 17:22:19,980 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 17:22:20,539 INFO L192 MainTranslator]: Completed translation [2019-09-16 17:22:20,540 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:22:20 WrapperNode [2019-09-16 17:22:20,540 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-16 17:22:20,541 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-16 17:22:20,541 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-16 17:22:20,541 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-16 17:22:20,556 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:22:20" (1/1) ... [2019-09-16 17:22:20,558 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:22:20" (1/1) ... [2019-09-16 17:22:20,702 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:22:20" (1/1) ... [2019-09-16 17:22:20,704 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:22:20" (1/1) ... [2019-09-16 17:22:20,895 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:22:20" (1/1) ... [2019-09-16 17:22:20,992 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:22:20" (1/1) ... [2019-09-16 17:22:21,022 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:22:20" (1/1) ... [2019-09-16 17:22:21,060 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-16 17:22:21,061 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-16 17:22:21,061 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-16 17:22:21,061 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-16 17:22:21,062 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:22:20" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-16 17:22:21,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-16 17:22:21,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-16 17:22:21,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-09-16 17:22:21,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2019-09-16 17:22:21,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~X~int~X~~uint32_t~0~X~$Pointer$~TO~int [2019-09-16 17:22:21,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~X~$Pointer$~X~int~X~~__le32~0~TO~int [2019-09-16 17:22:21,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~X~$Pointer$~X~int~X~$Pointer$~TO~int [2019-09-16 17:22:21,139 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2019-09-16 17:22:21,139 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2019-09-16 17:22:21,140 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2019-09-16 17:22:21,140 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2019-09-16 17:22:21,140 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2019-09-16 17:22:21,140 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-09-16 17:22:21,140 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2019-09-16 17:22:21,141 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2019-09-16 17:22:21,141 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2019-09-16 17:22:21,141 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2019-09-16 17:22:21,141 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_byte [2019-09-16 17:22:21,141 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2019-09-16 17:22:21,144 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2019-09-16 17:22:21,144 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_word [2019-09-16 17:22:21,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-09-16 17:22:21,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-09-16 17:22:21,145 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-09-16 17:22:21,146 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-09-16 17:22:21,146 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-09-16 17:22:21,146 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_enable [2019-09-16 17:22:21,146 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_disable [2019-09-16 17:22:21,146 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_release [2019-09-16 17:22:21,146 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_open [2019-09-16 17:22:21,147 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_get_irq_count [2019-09-16 17:22:21,147 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_ioctl [2019-09-16 17:22:21,147 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_read [2019-09-16 17:22:21,148 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_write [2019-09-16 17:22:21,148 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_mmap [2019-09-16 17:22:21,148 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_probe [2019-09-16 17:22:21,148 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_remove [2019-09-16 17:22:21,148 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_cleanup [2019-09-16 17:22:21,148 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_init [2019-09-16 17:22:21,148 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-16 17:22:21,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_1 [2019-09-16 17:22:21,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_2 [2019-09-16 17:22:21,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_3 [2019-09-16 17:22:21,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_4 [2019-09-16 17:22:21,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_5 [2019-09-16 17:22:21,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_6 [2019-09-16 17:22:21,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_7 [2019-09-16 17:22:21,150 INFO L138 BoogieDeclarations]: Found implementation of procedure fls [2019-09-16 17:22:21,150 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-09-16 17:22:21,150 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2019-09-16 17:22:21,150 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2019-09-16 17:22:21,150 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-09-16 17:22:21,151 INFO L138 BoogieDeclarations]: Found implementation of procedure init_waitqueue_func_entry [2019-09-16 17:22:21,151 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2019-09-16 17:22:21,151 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2019-09-16 17:22:21,151 INFO L138 BoogieDeclarations]: Found implementation of procedure init_poll_funcptr [2019-09-16 17:22:21,151 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_virqfd_init [2019-09-16 17:22:21,151 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_virqfd_exit [2019-09-16 17:22:21,152 INFO L138 BoogieDeclarations]: Found implementation of procedure virqfd_deactivate [2019-09-16 17:22:21,152 INFO L138 BoogieDeclarations]: Found implementation of procedure virqfd_wakeup [2019-09-16 17:22:21,152 INFO L138 BoogieDeclarations]: Found implementation of procedure virqfd_ptable_queue_proc [2019-09-16 17:22:21,152 INFO L138 BoogieDeclarations]: Found implementation of procedure virqfd_shutdown [2019-09-16 17:22:21,152 INFO L138 BoogieDeclarations]: Found implementation of procedure virqfd_inject [2019-09-16 17:22:21,152 INFO L138 BoogieDeclarations]: Found implementation of procedure virqfd_enable [2019-09-16 17:22:21,153 INFO L138 BoogieDeclarations]: Found implementation of procedure virqfd_disable [2019-09-16 17:22:21,153 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_send_intx_eventfd [2019-09-16 17:22:21,153 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_intx_mask [2019-09-16 17:22:21,153 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_intx_unmask_handler [2019-09-16 17:22:21,153 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_intx_unmask [2019-09-16 17:22:21,154 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_intx_handler [2019-09-16 17:22:21,154 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_intx_enable [2019-09-16 17:22:21,154 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_intx_set_signal [2019-09-16 17:22:21,154 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_intx_disable [2019-09-16 17:22:21,155 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_msihandler [2019-09-16 17:22:21,155 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_msi_enable [2019-09-16 17:22:21,155 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_msi_set_vector_signal [2019-09-16 17:22:21,155 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_msi_set_block [2019-09-16 17:22:21,155 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_msi_disable [2019-09-16 17:22:21,156 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_set_intx_unmask [2019-09-16 17:22:21,157 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_set_intx_mask [2019-09-16 17:22:21,157 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_set_intx_trigger [2019-09-16 17:22:21,157 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_set_msi_trigger [2019-09-16 17:22:21,157 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_set_irqs_ioctl [2019-09-16 17:22:21,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_15 [2019-09-16 17:22:21,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_16 [2019-09-16 17:22:21,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_17 [2019-09-16 17:22:21,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_18 [2019-09-16 17:22:21,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_19 [2019-09-16 17:22:21,159 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_io_readwrite [2019-09-16 17:22:21,160 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_mem_readwrite [2019-09-16 17:22:21,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_25 [2019-09-16 17:22:21,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_26 [2019-09-16 17:22:21,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_27 [2019-09-16 17:22:21,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_28 [2019-09-16 17:22:21,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_29 [2019-09-16 17:22:21,160 INFO L138 BoogieDeclarations]: Found implementation of procedure pcibios_err_to_errno [2019-09-16 17:22:21,161 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_user_config_read [2019-09-16 17:22:21,161 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_user_config_write [2019-09-16 17:22:21,161 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_default_config_read [2019-09-16 17:22:21,161 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_default_config_write [2019-09-16 17:22:21,161 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_direct_config_read [2019-09-16 17:22:21,161 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_direct_config_write [2019-09-16 17:22:21,161 INFO L138 BoogieDeclarations]: Found implementation of procedure free_perm_bits [2019-09-16 17:22:21,162 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_perm_bits [2019-09-16 17:22:21,162 INFO L138 BoogieDeclarations]: Found implementation of procedure p_setb [2019-09-16 17:22:21,162 INFO L138 BoogieDeclarations]: Found implementation of procedure p_setw [2019-09-16 17:22:21,162 INFO L138 BoogieDeclarations]: Found implementation of procedure p_setd [2019-09-16 17:22:21,162 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_bar_restore [2019-09-16 17:22:21,162 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_generate_bar_flags [2019-09-16 17:22:21,162 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_bar_fixup [2019-09-16 17:22:21,163 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_basic_config_read [2019-09-16 17:22:21,163 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_basic_config_write [2019-09-16 17:22:21,163 INFO L138 BoogieDeclarations]: Found implementation of procedure init_pci_cap_basic_perm [2019-09-16 17:22:21,163 INFO L138 BoogieDeclarations]: Found implementation of procedure init_pci_cap_pm_perm [2019-09-16 17:22:21,163 INFO L138 BoogieDeclarations]: Found implementation of procedure init_pci_cap_pcix_perm [2019-09-16 17:22:21,164 INFO L138 BoogieDeclarations]: Found implementation of procedure init_pci_cap_exp_perm [2019-09-16 17:22:21,164 INFO L138 BoogieDeclarations]: Found implementation of procedure init_pci_cap_af_perm [2019-09-16 17:22:21,164 INFO L138 BoogieDeclarations]: Found implementation of procedure init_pci_ext_cap_err_perm [2019-09-16 17:22:21,165 INFO L138 BoogieDeclarations]: Found implementation of procedure init_pci_ext_cap_pwr_perm [2019-09-16 17:22:21,165 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_uninit_perm_bits [2019-09-16 17:22:21,165 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_init_perm_bits [2019-09-16 17:22:21,165 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_find_cap_start [2019-09-16 17:22:21,166 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_msi_config_read [2019-09-16 17:22:21,166 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_msi_config_write [2019-09-16 17:22:21,167 INFO L138 BoogieDeclarations]: Found implementation of procedure init_pci_cap_msi_perm [2019-09-16 17:22:21,167 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_msi_cap_len [2019-09-16 17:22:21,167 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_vc_cap_len [2019-09-16 17:22:21,167 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_cap_len [2019-09-16 17:22:21,167 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_ext_cap_len [2019-09-16 17:22:21,167 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_fill_vconfig_bytes [2019-09-16 17:22:21,168 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_cap_init [2019-09-16 17:22:21,168 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_ecap_init [2019-09-16 17:22:21,168 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_config_init [2019-09-16 17:22:21,168 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_config_free [2019-09-16 17:22:21,168 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_config_do_rw [2019-09-16 17:22:21,169 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_config_readwrite [2019-09-16 17:22:21,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_35 [2019-09-16 17:22:21,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_36 [2019-09-16 17:22:21,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_37 [2019-09-16 17:22:21,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_38 [2019-09-16 17:22:21,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_39 [2019-09-16 17:22:21,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-09-16 17:22:21,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-09-16 17:22:21,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-09-16 17:22:21,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_igate_of_vfio_pci_device [2019-09-16 17:22:21,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_igate_of_vfio_pci_device [2019-09-16 17:22:21,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_igate_of_vfio_pci_device [2019-09-16 17:22:21,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_igate_of_vfio_pci_device [2019-09-16 17:22:21,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_igate_of_vfio_pci_device [2019-09-16 17:22:21,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_igate_of_vfio_pci_device [2019-09-16 17:22:21,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_igate_of_vfio_pci_device [2019-09-16 17:22:21,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2019-09-16 17:22:21,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2019-09-16 17:22:21,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2019-09-16 17:22:21,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2019-09-16 17:22:21,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-09-16 17:22:21,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2019-09-16 17:22:21,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2019-09-16 17:22:21,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-09-16 17:22:21,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2019-09-16 17:22:21,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2019-09-16 17:22:21,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2019-09-16 17:22:21,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-09-16 17:22:21,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2019-09-16 17:22:21,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2019-09-16 17:22:21,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-09-16 17:22:21,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-09-16 17:22:21,186 INFO L138 BoogieDeclarations]: Found implementation of procedure __alloc_workqueue_key [2019-09-16 17:22:21,186 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2019-09-16 17:22:21,186 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2019-09-16 17:22:21,186 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2019-09-16 17:22:21,186 INFO L138 BoogieDeclarations]: Found implementation of procedure __pci_register_driver [2019-09-16 17:22:21,186 INFO L138 BoogieDeclarations]: Found implementation of procedure __pci_reset_function [2019-09-16 17:22:21,186 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-09-16 17:22:21,186 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2019-09-16 17:22:21,187 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2019-09-16 17:22:21,187 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irq [2019-09-16 17:22:21,187 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2019-09-16 17:22:21,187 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irq [2019-09-16 17:22:21,187 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-09-16 17:22:21,187 INFO L138 BoogieDeclarations]: Found implementation of procedure add_wait_queue [2019-09-16 17:22:21,187 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2019-09-16 17:22:21,188 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_irq_nosync [2019-09-16 17:22:21,188 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_irq [2019-09-16 17:22:21,188 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_ctx_fdget [2019-09-16 17:22:21,188 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_ctx_fileget [2019-09-16 17:22:21,188 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_ctx_put [2019-09-16 17:22:21,188 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_ctx_remove_wait_queue [2019-09-16 17:22:21,188 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_fget [2019-09-16 17:22:21,188 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_signal [2019-09-16 17:22:21,189 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_work [2019-09-16 17:22:21,189 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2019-09-16 17:22:21,189 INFO L138 BoogieDeclarations]: Found implementation of procedure fput [2019-09-16 17:22:21,189 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2019-09-16 17:22:21,189 INFO L138 BoogieDeclarations]: Found implementation of procedure iommu_group_get [2019-09-16 17:22:21,189 INFO L138 BoogieDeclarations]: Found implementation of procedure iommu_group_put [2019-09-16 17:22:21,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2019-09-16 17:22:21,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2019-09-16 17:22:21,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2019-09-16 17:22:21,190 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2019-09-16 17:22:21,190 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2019-09-16 17:22:21,190 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite8 [2019-09-16 17:22:21,190 INFO L138 BoogieDeclarations]: Found implementation of procedure kasprintf [2019-09-16 17:22:21,190 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2019-09-16 17:22:21,190 INFO L138 BoogieDeclarations]: Found implementation of procedure memdup_user [2019-09-16 17:22:21,191 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2019-09-16 17:22:21,191 INFO L138 BoogieDeclarations]: Found implementation of procedure module_put [2019-09-16 17:22:21,192 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2019-09-16 17:22:21,192 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2019-09-16 17:22:21,193 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-09-16 17:22:21,193 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_read_config_byte [2019-09-16 17:22:21,193 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_read_config_dword [2019-09-16 17:22:21,193 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_read_config_word [2019-09-16 17:22:21,193 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_write_config_word [2019-09-16 17:22:21,193 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_check_and_mask_intx [2019-09-16 17:22:21,193 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_check_and_unmask_intx [2019-09-16 17:22:21,194 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2019-09-16 17:22:21,194 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2019-09-16 17:22:21,194 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msix [2019-09-16 17:22:21,194 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2019-09-16 17:22:21,194 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_msi_block [2019-09-16 17:22:21,194 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_msix [2019-09-16 17:22:21,194 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_find_capability [2019-09-16 17:22:21,195 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_intx [2019-09-16 17:22:21,195 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_intx_mask_supported [2019-09-16 17:22:21,195 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2019-09-16 17:22:21,195 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2019-09-16 17:22:21,195 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_load_and_free_saved_state [2019-09-16 17:22:21,195 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_rom [2019-09-16 17:22:21,195 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_selected_regions [2019-09-16 17:22:21,195 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_request_selected_regions [2019-09-16 17:22:21,196 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_reset_function [2019-09-16 17:22:21,196 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2019-09-16 17:22:21,196 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2019-09-16 17:22:21,196 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_store_saved_state [2019-09-16 17:22:21,196 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_rom [2019-09-16 17:22:21,196 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2019-09-16 17:22:21,196 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_user_read_config_byte [2019-09-16 17:22:21,197 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_user_read_config_dword [2019-09-16 17:22:21,197 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_user_read_config_word [2019-09-16 17:22:21,197 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_user_write_config_byte [2019-09-16 17:22:21,197 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_user_write_config_dword [2019-09-16 17:22:21,197 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_user_write_config_word [2019-09-16 17:22:21,197 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-09-16 17:22:21,197 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2019-09-16 17:22:21,197 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_pfn_range [2019-09-16 17:22:21,198 INFO L138 BoogieDeclarations]: Found implementation of procedure request_threaded_irq [2019-09-16 17:22:21,198 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2019-09-16 17:22:21,198 INFO L138 BoogieDeclarations]: Found implementation of procedure try_module_get [2019-09-16 17:22:21,198 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_add_group_dev [2019-09-16 17:22:21,198 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_del_group_dev [2019-09-16 17:22:21,198 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_fmt [2019-09-16 17:22:21,198 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2019-09-16 17:22:21,198 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-09-16 17:22:21,199 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-09-16 17:22:21,199 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-09-16 17:22:21,199 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-09-16 17:22:21,199 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-16 17:22:21,199 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-09-16 17:22:21,199 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-09-16 17:22:21,199 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2019-09-16 17:22:21,200 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2019-09-16 17:22:21,200 INFO L130 BoogieDeclarations]: Found specification of procedure memdup_user [2019-09-16 17:22:21,200 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_fmt [2019-09-16 17:22:21,200 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2019-09-16 17:22:21,201 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2019-09-16 17:22:21,205 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2019-09-16 17:22:21,206 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2019-09-16 17:22:21,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-16 17:22:21,206 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2019-09-16 17:22:21,206 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2019-09-16 17:22:21,208 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2019-09-16 17:22:21,208 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2019-09-16 17:22:21,209 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_4 [2019-09-16 17:22:21,209 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-09-16 17:22:21,209 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_2 [2019-09-16 17:22:21,209 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_5 [2019-09-16 17:22:21,209 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_7 [2019-09-16 17:22:21,209 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2019-09-16 17:22:21,210 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_1 [2019-09-16 17:22:21,210 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_3 [2019-09-16 17:22:21,210 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_6 [2019-09-16 17:22:21,210 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_igate_of_vfio_pci_device [2019-09-16 17:22:21,210 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_igate_of_vfio_pci_device [2019-09-16 17:22:21,210 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2019-09-16 17:22:21,210 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2019-09-16 17:22:21,211 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2019-09-16 17:22:21,211 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2019-09-16 17:22:21,211 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2019-09-16 17:22:21,211 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-16 17:22:21,211 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-09-16 17:22:21,211 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-09-16 17:22:21,211 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2019-09-16 17:22:21,211 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-16 17:22:21,212 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2019-09-16 17:22:21,212 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2019-09-16 17:22:21,212 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2019-09-16 17:22:21,212 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2019-09-16 17:22:21,212 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2019-09-16 17:22:21,212 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2019-09-16 17:22:21,212 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-16 17:22:21,212 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2019-09-16 17:22:21,213 INFO L130 BoogieDeclarations]: Found specification of procedure iommu_group_get [2019-09-16 17:22:21,213 INFO L130 BoogieDeclarations]: Found specification of procedure iommu_group_put [2019-09-16 17:22:21,213 INFO L130 BoogieDeclarations]: Found specification of procedure try_module_get [2019-09-16 17:22:21,213 INFO L130 BoogieDeclarations]: Found specification of procedure module_put [2019-09-16 17:22:21,213 INFO L130 BoogieDeclarations]: Found specification of procedure pci_find_capability [2019-09-16 17:22:21,213 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_read_config_byte [2019-09-16 17:22:21,213 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_read_config_word [2019-09-16 17:22:21,213 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_read_config_dword [2019-09-16 17:22:21,214 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_write_config_word [2019-09-16 17:22:21,214 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_byte [2019-09-16 17:22:21,214 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-16 17:22:21,214 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2019-09-16 17:22:21,214 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2019-09-16 17:22:21,214 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_word [2019-09-16 17:22:21,214 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2019-09-16 17:22:21,214 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2019-09-16 17:22:21,214 INFO L130 BoogieDeclarations]: Found specification of procedure pci_intx_mask_supported [2019-09-16 17:22:21,215 INFO L130 BoogieDeclarations]: Found specification of procedure __pci_reset_function [2019-09-16 17:22:21,215 INFO L130 BoogieDeclarations]: Found specification of procedure pci_reset_function [2019-09-16 17:22:21,215 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_rom [2019-09-16 17:22:21,215 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_rom [2019-09-16 17:22:21,215 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2019-09-16 17:22:21,215 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2019-09-16 17:22:21,215 INFO L130 BoogieDeclarations]: Found specification of procedure pci_store_saved_state [2019-09-16 17:22:21,215 INFO L130 BoogieDeclarations]: Found specification of procedure pci_load_and_free_saved_state [2019-09-16 17:22:21,215 INFO L130 BoogieDeclarations]: Found specification of procedure pci_request_selected_regions [2019-09-16 17:22:21,216 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_selected_regions [2019-09-16 17:22:21,216 INFO L130 BoogieDeclarations]: Found specification of procedure __pci_register_driver [2019-09-16 17:22:21,216 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2019-09-16 17:22:21,216 INFO L130 BoogieDeclarations]: Found specification of procedure remap_pfn_range [2019-09-16 17:22:21,216 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-09-16 17:22:21,216 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-16 17:22:21,216 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-16 17:22:21,216 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-09-16 17:22:21,217 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-09-16 17:22:21,217 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-16 17:22:21,217 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-09-16 17:22:21,217 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-09-16 17:22:21,217 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-09-16 17:22:21,217 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_add_group_dev [2019-09-16 17:22:21,217 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_del_group_dev [2019-09-16 17:22:21,217 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_set_irqs_ioctl [2019-09-16 17:22:21,217 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_config_readwrite [2019-09-16 17:22:21,218 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_mem_readwrite [2019-09-16 17:22:21,218 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_io_readwrite [2019-09-16 17:22:21,218 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_init_perm_bits [2019-09-16 17:22:21,218 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_uninit_perm_bits [2019-09-16 17:22:21,218 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_virqfd_init [2019-09-16 17:22:21,218 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_virqfd_exit [2019-09-16 17:22:21,218 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_config_init [2019-09-16 17:22:21,218 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_config_free [2019-09-16 17:22:21,219 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_enable [2019-09-16 17:22:21,219 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-16 17:22:21,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-16 17:22:21,219 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_disable [2019-09-16 17:22:21,219 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_release [2019-09-16 17:22:21,219 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_open [2019-09-16 17:22:21,219 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_get_irq_count [2019-09-16 17:22:21,219 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_ioctl [2019-09-16 17:22:21,219 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_read [2019-09-16 17:22:21,220 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_write [2019-09-16 17:22:21,220 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_mmap [2019-09-16 17:22:21,220 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_probe [2019-09-16 17:22:21,220 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_remove [2019-09-16 17:22:21,220 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_cleanup [2019-09-16 17:22:21,220 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_init [2019-09-16 17:22:21,220 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-09-16 17:22:21,220 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-09-16 17:22:21,220 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-16 17:22:21,221 INFO L130 BoogieDeclarations]: Found specification of procedure fls [2019-09-16 17:22:21,221 INFO L130 BoogieDeclarations]: Found specification of procedure kasprintf [2019-09-16 17:22:21,221 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-09-16 17:22:21,221 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2019-09-16 17:22:21,221 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_18 [2019-09-16 17:22:21,221 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_16 [2019-09-16 17:22:21,221 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_19 [2019-09-16 17:22:21,221 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_15 [2019-09-16 17:22:21,222 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_17 [2019-09-16 17:22:21,222 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irq [2019-09-16 17:22:21,222 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2019-09-16 17:22:21,222 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irq [2019-09-16 17:22:21,222 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-09-16 17:22:21,222 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2019-09-16 17:22:21,222 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2019-09-16 17:22:21,222 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-09-16 17:22:21,222 INFO L130 BoogieDeclarations]: Found specification of procedure init_waitqueue_func_entry [2019-09-16 17:22:21,223 INFO L130 BoogieDeclarations]: Found specification of procedure add_wait_queue [2019-09-16 17:22:21,223 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2019-09-16 17:22:21,223 INFO L130 BoogieDeclarations]: Found specification of procedure __alloc_workqueue_key [2019-09-16 17:22:21,223 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2019-09-16 17:22:21,223 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2019-09-16 17:22:21,223 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2019-09-16 17:22:21,223 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2019-09-16 17:22:21,223 INFO L130 BoogieDeclarations]: Found specification of procedure flush_work [2019-09-16 17:22:21,224 INFO L130 BoogieDeclarations]: Found specification of procedure request_threaded_irq [2019-09-16 17:22:21,224 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2019-09-16 17:22:21,224 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2019-09-16 17:22:21,225 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq_nosync [2019-09-16 17:22:21,225 INFO L130 BoogieDeclarations]: Found specification of procedure enable_irq [2019-09-16 17:22:21,225 INFO L130 BoogieDeclarations]: Found specification of procedure fput [2019-09-16 17:22:21,225 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_ctx_put [2019-09-16 17:22:21,225 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_fget [2019-09-16 17:22:21,225 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_ctx_fdget [2019-09-16 17:22:21,225 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_ctx_fileget [2019-09-16 17:22:21,226 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_signal [2019-09-16 17:22:21,226 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_ctx_remove_wait_queue [2019-09-16 17:22:21,226 INFO L130 BoogieDeclarations]: Found specification of procedure pci_intx [2019-09-16 17:22:21,226 INFO L130 BoogieDeclarations]: Found specification of procedure pci_check_and_mask_intx [2019-09-16 17:22:21,226 INFO L130 BoogieDeclarations]: Found specification of procedure pci_check_and_unmask_intx [2019-09-16 17:22:21,226 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_msi_block [2019-09-16 17:22:21,226 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2019-09-16 17:22:21,226 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_msix [2019-09-16 17:22:21,227 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msix [2019-09-16 17:22:21,227 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2019-09-16 17:22:21,227 INFO L130 BoogieDeclarations]: Found specification of procedure init_poll_funcptr [2019-09-16 17:22:21,227 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_intx_mask [2019-09-16 17:22:21,227 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_intx_unmask [2019-09-16 17:22:21,227 INFO L130 BoogieDeclarations]: Found specification of procedure virqfd_deactivate [2019-09-16 17:22:21,227 INFO L130 BoogieDeclarations]: Found specification of procedure virqfd_wakeup [2019-09-16 17:22:21,228 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-09-16 17:22:21,228 INFO L130 BoogieDeclarations]: Found specification of procedure virqfd_ptable_queue_proc [2019-09-16 17:22:21,228 INFO L130 BoogieDeclarations]: Found specification of procedure virqfd_shutdown [2019-09-16 17:22:21,228 INFO L130 BoogieDeclarations]: Found specification of procedure virqfd_inject [2019-09-16 17:22:21,228 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2019-09-16 17:22:21,228 INFO L130 BoogieDeclarations]: Found specification of procedure virqfd_enable [2019-09-16 17:22:21,228 INFO L130 BoogieDeclarations]: Found specification of procedure virqfd_disable [2019-09-16 17:22:21,228 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_send_intx_eventfd [2019-09-16 17:22:21,228 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_intx_unmask_handler [2019-09-16 17:22:21,229 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_intx_handler [2019-09-16 17:22:21,229 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_intx_enable [2019-09-16 17:22:21,229 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_intx_set_signal [2019-09-16 17:22:21,229 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_intx_disable [2019-09-16 17:22:21,229 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_msihandler [2019-09-16 17:22:21,229 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_msi_enable [2019-09-16 17:22:21,229 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_msi_set_vector_signal [2019-09-16 17:22:21,229 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_msi_set_block [2019-09-16 17:22:21,230 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_msi_disable [2019-09-16 17:22:21,230 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_set_intx_unmask [2019-09-16 17:22:21,230 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_set_intx_mask [2019-09-16 17:22:21,230 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_set_intx_trigger [2019-09-16 17:22:21,230 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_set_msi_trigger [2019-09-16 17:22:21,230 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~X~int~X~~uint32_t~0~X~$Pointer$~TO~int [2019-09-16 17:22:21,230 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_28 [2019-09-16 17:22:21,230 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_26 [2019-09-16 17:22:21,230 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_29 [2019-09-16 17:22:21,231 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_25 [2019-09-16 17:22:21,231 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_27 [2019-09-16 17:22:21,231 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2019-09-16 17:22:21,231 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2019-09-16 17:22:21,231 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2019-09-16 17:22:21,231 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8 [2019-09-16 17:22:21,231 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2019-09-16 17:22:21,231 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2019-09-16 17:22:21,231 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-09-16 17:22:21,232 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-09-16 17:22:21,232 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2019-09-16 17:22:21,232 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_38 [2019-09-16 17:22:21,232 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_36 [2019-09-16 17:22:21,232 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_39 [2019-09-16 17:22:21,232 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_35 [2019-09-16 17:22:21,232 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_37 [2019-09-16 17:22:21,232 INFO L130 BoogieDeclarations]: Found specification of procedure pcibios_err_to_errno [2019-09-16 17:22:21,232 INFO L130 BoogieDeclarations]: Found specification of procedure pci_user_read_config_byte [2019-09-16 17:22:21,233 INFO L130 BoogieDeclarations]: Found specification of procedure pci_user_read_config_word [2019-09-16 17:22:21,233 INFO L130 BoogieDeclarations]: Found specification of procedure pci_user_read_config_dword [2019-09-16 17:22:21,233 INFO L130 BoogieDeclarations]: Found specification of procedure pci_user_write_config_byte [2019-09-16 17:22:21,233 INFO L130 BoogieDeclarations]: Found specification of procedure pci_user_write_config_word [2019-09-16 17:22:21,233 INFO L130 BoogieDeclarations]: Found specification of procedure pci_user_write_config_dword [2019-09-16 17:22:21,233 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_user_config_read [2019-09-16 17:22:21,233 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_user_config_write [2019-09-16 17:22:21,233 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_default_config_read [2019-09-16 17:22:21,234 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-09-16 17:22:21,234 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_default_config_write [2019-09-16 17:22:21,234 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_direct_config_read [2019-09-16 17:22:21,234 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_direct_config_write [2019-09-16 17:22:21,234 INFO L130 BoogieDeclarations]: Found specification of procedure free_perm_bits [2019-09-16 17:22:21,234 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_perm_bits [2019-09-16 17:22:21,234 INFO L130 BoogieDeclarations]: Found specification of procedure p_setb [2019-09-16 17:22:21,234 INFO L130 BoogieDeclarations]: Found specification of procedure p_setw [2019-09-16 17:22:21,235 INFO L130 BoogieDeclarations]: Found specification of procedure p_setd [2019-09-16 17:22:21,235 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_bar_restore [2019-09-16 17:22:21,235 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_generate_bar_flags [2019-09-16 17:22:21,235 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_bar_fixup [2019-09-16 17:22:21,235 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_basic_config_read [2019-09-16 17:22:21,235 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_basic_config_write [2019-09-16 17:22:21,235 INFO L130 BoogieDeclarations]: Found specification of procedure init_pci_cap_basic_perm [2019-09-16 17:22:21,236 INFO L130 BoogieDeclarations]: Found specification of procedure init_pci_cap_pm_perm [2019-09-16 17:22:21,236 INFO L130 BoogieDeclarations]: Found specification of procedure init_pci_cap_pcix_perm [2019-09-16 17:22:21,236 INFO L130 BoogieDeclarations]: Found specification of procedure init_pci_cap_exp_perm [2019-09-16 17:22:21,236 INFO L130 BoogieDeclarations]: Found specification of procedure init_pci_cap_af_perm [2019-09-16 17:22:21,236 INFO L130 BoogieDeclarations]: Found specification of procedure init_pci_ext_cap_err_perm [2019-09-16 17:22:21,236 INFO L130 BoogieDeclarations]: Found specification of procedure init_pci_ext_cap_pwr_perm [2019-09-16 17:22:21,236 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_find_cap_start [2019-09-16 17:22:21,236 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_msi_config_read [2019-09-16 17:22:21,237 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_msi_config_write [2019-09-16 17:22:21,237 INFO L130 BoogieDeclarations]: Found specification of procedure init_pci_cap_msi_perm [2019-09-16 17:22:21,237 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_msi_cap_len [2019-09-16 17:22:21,237 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_vc_cap_len [2019-09-16 17:22:21,237 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_cap_len [2019-09-16 17:22:21,237 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_ext_cap_len [2019-09-16 17:22:21,237 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_fill_vconfig_bytes [2019-09-16 17:22:21,237 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_cap_init [2019-09-16 17:22:21,241 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-09-16 17:22:21,241 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_ecap_init [2019-09-16 17:22:21,241 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_config_do_rw [2019-09-16 17:22:21,241 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~X~$Pointer$~X~int~X~~__le32~0~TO~int [2019-09-16 17:22:21,241 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~X~$Pointer$~X~int~X~$Pointer$~TO~int [2019-09-16 17:22:21,241 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-09-16 17:22:21,241 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-09-16 17:22:21,242 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_igate_of_vfio_pci_device [2019-09-16 17:22:21,242 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_igate_of_vfio_pci_device [2019-09-16 17:22:21,242 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_igate_of_vfio_pci_device [2019-09-16 17:22:21,242 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_igate_of_vfio_pci_device [2019-09-16 17:22:21,242 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_igate_of_vfio_pci_device [2019-09-16 17:22:21,242 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2019-09-16 17:22:21,242 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2019-09-16 17:22:21,242 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2019-09-16 17:22:21,243 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-09-16 17:22:21,243 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2019-09-16 17:22:21,243 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-09-16 17:22:21,243 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2019-09-16 17:22:21,243 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-09-16 17:22:21,243 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2019-09-16 17:22:21,243 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-09-16 17:22:21,243 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-09-16 17:22:21,244 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-16 17:22:21,244 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-09-16 17:22:21,244 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-16 17:22:21,244 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-16 17:22:21,244 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-16 17:22:21,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-16 17:22:21,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-16 17:22:21,244 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-16 17:22:21,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-09-16 17:22:21,245 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-09-16 17:22:21,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-09-16 17:22:21,245 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-09-16 17:22:22,677 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-16 17:22:22,978 INFO L683 $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; [2019-09-16 17:22:22,979 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint L2749: assume !#t~short211; [2019-09-16 17:22:22,979 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint L2749-2: assume #t~short211;havoc #t~mem209;havoc #t~short211;havoc #t~mem208;havoc #t~mem210;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; [2019-09-16 17:22:22,979 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint L2749-2: assume !#t~short211;havoc #t~mem209;havoc #t~short211;havoc #t~mem208;havoc #t~mem210; [2019-09-16 17:22:22,979 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint L2738: assume #t~short202;havoc #t~short202;havoc #t~mem197;havoc #t~mem201;havoc #t~mem200;havoc #t~mem199;havoc #t~mem196;havoc #t~mem198;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; [2019-09-16 17:22:22,979 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint L2738: assume !#t~short202;havoc #t~short202;havoc #t~mem197;havoc #t~mem201;havoc #t~mem200;havoc #t~mem199;havoc #t~mem196;havoc #t~mem198;call write~int(0, ~#info___0~0.base, 16 + ~#info___0~0.offset, 8); [2019-09-16 17:22:22,980 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume #t~short202; [2019-09-16 17:22:22,980 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint L2738-2: call #t~mem207 := read~int(~#info___0~0.base, 16 + ~#info___0~0.offset, 8); [2019-09-16 17:22:22,980 INFO L683 $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; [2019-09-16 17:22:22,980 INFO L683 $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); [2019-09-16 17:22:22,980 INFO L683 $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; [2019-09-16 17:22:27,572 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-16 17:22:27,572 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-16 17:22:27,576 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 05:22:27 BoogieIcfgContainer [2019-09-16 17:22:27,576 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-16 17:22:27,578 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-16 17:22:27,579 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-16 17:22:27,583 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-16 17:22:27,583 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.09 05:22:17" (1/3) ... [2019-09-16 17:22:27,584 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b2bf687 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 05:22:27, skipping insertion in model container [2019-09-16 17:22:27,585 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:22:20" (2/3) ... [2019-09-16 17:22:27,585 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b2bf687 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 05:22:27, skipping insertion in model container [2019-09-16 17:22:27,585 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 05:22:27" (3/3) ... [2019-09-16 17:22:27,590 INFO L109 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--vfio--pci--vfio-pci.ko-main.cil.out.i [2019-09-16 17:22:27,605 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-16 17:22:27,620 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-16 17:22:27,646 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-16 17:22:27,686 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-16 17:22:27,687 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-16 17:22:27,687 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-16 17:22:27,687 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-16 17:22:27,687 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-16 17:22:27,688 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-16 17:22:27,688 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-16 17:22:27,688 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-16 17:22:27,778 INFO L276 IsEmpty]: Start isEmpty. Operand 2373 states. [2019-09-16 17:22:27,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-09-16 17:22:27,845 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:22:27,847 INFO L407 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, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-16 17:22:27,851 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:22:27,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:22:27,858 INFO L82 PathProgramCache]: Analyzing trace with hash 1362634209, now seen corresponding path program 1 times [2019-09-16 17:22:27,862 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:22:28,021 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:22:28,022 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:22:28,022 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:22:28,022 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:22:28,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:22:28,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 17:22:28,634 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 17:22:28,634 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-16 17:22:28,634 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:22:28,639 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-16 17:22:28,655 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-16 17:22:28,656 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-16 17:22:28,659 INFO L87 Difference]: Start difference. First operand 2373 states. Second operand 3 states. [2019-09-16 17:22:29,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:22:29,058 INFO L93 Difference]: Finished difference Result 2519 states and 3451 transitions. [2019-09-16 17:22:29,058 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-16 17:22:29,060 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 61 [2019-09-16 17:22:29,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:22:29,115 INFO L225 Difference]: With dead ends: 2519 [2019-09-16 17:22:29,115 INFO L226 Difference]: Without dead ends: 2505 [2019-09-16 17:22:29,117 INFO L636 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 [2019-09-16 17:22:29,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2505 states. [2019-09-16 17:22:29,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2505 to 2495. [2019-09-16 17:22:29,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2495 states. [2019-09-16 17:22:29,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2495 states to 2495 states and 3426 transitions. [2019-09-16 17:22:29,386 INFO L78 Accepts]: Start accepts. Automaton has 2495 states and 3426 transitions. Word has length 61 [2019-09-16 17:22:29,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:22:29,386 INFO L475 AbstractCegarLoop]: Abstraction has 2495 states and 3426 transitions. [2019-09-16 17:22:29,386 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-16 17:22:29,386 INFO L276 IsEmpty]: Start isEmpty. Operand 2495 states and 3426 transitions. [2019-09-16 17:22:29,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2019-09-16 17:22:29,396 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:22:29,396 INFO L407 BasicCegarLoop]: trace histogram [14, 14, 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] [2019-09-16 17:22:29,397 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:22:29,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:22:29,397 INFO L82 PathProgramCache]: Analyzing trace with hash -1105932918, now seen corresponding path program 1 times [2019-09-16 17:22:29,397 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:22:29,426 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:22:29,427 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:22:29,427 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:22:29,427 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:22:29,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:22:30,477 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2019-09-16 17:22:30,477 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 17:22:30,477 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-16 17:22:30,477 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:22:30,491 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-16 17:22:30,491 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-16 17:22:30,492 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-16 17:22:30,492 INFO L87 Difference]: Start difference. First operand 2495 states and 3426 transitions. Second operand 3 states. [2019-09-16 17:22:30,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:22:30,831 INFO L93 Difference]: Finished difference Result 4668 states and 6400 transitions. [2019-09-16 17:22:30,831 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-16 17:22:30,831 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 137 [2019-09-16 17:22:30,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:22:30,859 INFO L225 Difference]: With dead ends: 4668 [2019-09-16 17:22:30,859 INFO L226 Difference]: Without dead ends: 4668 [2019-09-16 17:22:30,860 INFO L636 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 [2019-09-16 17:22:30,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4668 states. [2019-09-16 17:22:30,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4668 to 4664. [2019-09-16 17:22:30,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4664 states. [2019-09-16 17:22:31,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4664 states to 4664 states and 6397 transitions. [2019-09-16 17:22:31,016 INFO L78 Accepts]: Start accepts. Automaton has 4664 states and 6397 transitions. Word has length 137 [2019-09-16 17:22:31,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:22:31,016 INFO L475 AbstractCegarLoop]: Abstraction has 4664 states and 6397 transitions. [2019-09-16 17:22:31,016 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-16 17:22:31,016 INFO L276 IsEmpty]: Start isEmpty. Operand 4664 states and 6397 transitions. [2019-09-16 17:22:31,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 423 [2019-09-16 17:22:31,022 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:22:31,022 INFO L407 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 7, 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, 1, 1] [2019-09-16 17:22:31,023 INFO L418 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:22:31,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:22:31,023 INFO L82 PathProgramCache]: Analyzing trace with hash 1532425619, now seen corresponding path program 1 times [2019-09-16 17:22:31,023 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:22:31,037 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:22:31,037 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:22:31,037 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:22:31,038 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:22:31,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:22:31,527 INFO L134 CoverageAnalysis]: Checked inductivity of 1918 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 1900 trivial. 0 not checked. [2019-09-16 17:22:31,527 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-16 17:22:31,527 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-09-16 17:22:31,528 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 423 with the following transitions: [2019-09-16 17:22:31,532 INFO L207 CegarAbsIntRunner]: [0], [2], [4], [7], [16], [17], [18], [20], [23], [28], [645], [651], [652], [770], [1012], [1013], [1134], [1136], [1137], [1603], [1605], [1606], [1607], [1609], [1610], [1992], [1993], [2014], [2016], [2019], [2025], [2036], [2038], [2041], [2046], [2513], [2515], [2518], [2524], [2632], [2634], [2637], [2657], [2750], [2752], [2754], [2805], [2808], [2811], [2823], [2826], [2829], [2831], [2834], [2840], [3025], [3027], [3030], [3035], [3608], [3610], [3613], [3626], [3984], [3986], [3989], [4008], [4047], [4049], [4051], [4053], [4055], [4057], [4059], [4061], [4067], [4069], [4070], [4585], [4665], [4666], [4667], [4668], [4671], [4672], [4961], [4962], [5095], [5096], [5097], [5098], [5197], [5198], [5209], [5210], [5331], [5332], [5355], [5356], [5391], [5392], [5399], [5400], [5417], [5425], [5426], [5559], [5560], [5667], [5668], [5711], [5712], [5713], [5714], [5715], [5716], [5717], [5718], [5719], [5720], [5721], [5722], [5723], [5724], [5849], [5863], [5864], [5865] [2019-09-16 17:22:31,593 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-09-16 17:22:31,593 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-16 17:22:31,740 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-09-16 17:22:31,741 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 158 root evaluator evaluations with a maximum evaluation depth of 0. Performed 158 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 326 variables. [2019-09-16 17:22:31,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:22:31,747 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-09-16 17:22:31,917 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-09-16 17:22:31,917 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-09-16 17:22:31,934 INFO L420 sIntCurrentIteration]: We unified 421 AI predicates to 421 [2019-09-16 17:22:31,935 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-09-16 17:22:31,938 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-16 17:22:31,938 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 3 [2019-09-16 17:22:31,938 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:22:31,939 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-16 17:22:31,940 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-16 17:22:31,940 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-16 17:22:31,944 INFO L87 Difference]: Start difference. First operand 4664 states and 6397 transitions. Second operand 2 states. [2019-09-16 17:22:31,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:22:31,945 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-09-16 17:22:31,945 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-16 17:22:31,945 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 422 [2019-09-16 17:22:31,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:22:31,945 INFO L225 Difference]: With dead ends: 2 [2019-09-16 17:22:31,946 INFO L226 Difference]: Without dead ends: 0 [2019-09-16 17:22:31,946 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 421 GetRequests, 421 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-16 17:22:31,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-16 17:22:31,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-16 17:22:31,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-16 17:22:31,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-16 17:22:31,950 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 422 [2019-09-16 17:22:31,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:22:31,950 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-16 17:22:31,950 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-16 17:22:31,951 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-16 17:22:31,951 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-16 17:22:31,960 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.09 05:22:31 BoogieIcfgContainer [2019-09-16 17:22:31,960 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-16 17:22:31,962 INFO L168 Benchmark]: Toolchain (without parser) took 14754.20 ms. Allocated memory was 131.1 MB in the beginning and 678.4 MB in the end (delta: 547.4 MB). Free memory was 75.6 MB in the beginning and 520.1 MB in the end (delta: -444.5 MB). Peak memory consumption was 102.9 MB. Max. memory is 7.1 GB. [2019-09-16 17:22:31,964 INFO L168 Benchmark]: CDTParser took 0.69 ms. Allocated memory is still 131.1 MB. Free memory was 103.8 MB in the beginning and 103.6 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-09-16 17:22:31,966 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3332.22 ms. Allocated memory was 131.1 MB in the beginning and 269.0 MB in the end (delta: 137.9 MB). Free memory was 75.4 MB in the beginning and 85.6 MB in the end (delta: -10.2 MB). Peak memory consumption was 127.7 MB. Max. memory is 7.1 GB. [2019-09-16 17:22:31,967 INFO L168 Benchmark]: Boogie Preprocessor took 519.58 ms. Allocated memory was 269.0 MB in the beginning and 276.8 MB in the end (delta: 7.9 MB). Free memory was 85.6 MB in the beginning and 209.9 MB in the end (delta: -124.4 MB). Peak memory consumption was 36.5 MB. Max. memory is 7.1 GB. [2019-09-16 17:22:31,969 INFO L168 Benchmark]: RCFGBuilder took 6515.42 ms. Allocated memory was 276.8 MB in the beginning and 476.6 MB in the end (delta: 199.8 MB). Free memory was 209.9 MB in the beginning and 198.3 MB in the end (delta: 11.7 MB). Peak memory consumption was 291.8 MB. Max. memory is 7.1 GB. [2019-09-16 17:22:31,970 INFO L168 Benchmark]: TraceAbstraction took 4381.39 ms. Allocated memory was 476.6 MB in the beginning and 678.4 MB in the end (delta: 201.9 MB). Free memory was 191.8 MB in the beginning and 520.1 MB in the end (delta: -328.3 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-16 17:22:31,980 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.69 ms. Allocated memory is still 131.1 MB. Free memory was 103.8 MB in the beginning and 103.6 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 3332.22 ms. Allocated memory was 131.1 MB in the beginning and 269.0 MB in the end (delta: 137.9 MB). Free memory was 75.4 MB in the beginning and 85.6 MB in the end (delta: -10.2 MB). Peak memory consumption was 127.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 519.58 ms. Allocated memory was 269.0 MB in the beginning and 276.8 MB in the end (delta: 7.9 MB). Free memory was 85.6 MB in the beginning and 209.9 MB in the end (delta: -124.4 MB). Peak memory consumption was 36.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 6515.42 ms. Allocated memory was 276.8 MB in the beginning and 476.6 MB in the end (delta: 199.8 MB). Free memory was 209.9 MB in the beginning and 198.3 MB in the end (delta: 11.7 MB). Peak memory consumption was 291.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 4381.39 ms. Allocated memory was 476.6 MB in the beginning and 678.4 MB in the end (delta: 201.9 MB). Free memory was 191.8 MB in the beginning and 520.1 MB in the end (delta: -328.3 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 6567]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 257 procedures, 2533 locations, 1 error locations. SAFE Result, 4.2s OverallTime, 3 OverallIterations, 14 TraceHistogramMax, 0.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 8785 SDtfs, 3405 SDslu, 5812 SDs, 0 SdLazy, 40 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 427 GetRequests, 425 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4664occurred in iteration=2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.2s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 1.0 AbsIntWeakeningRatio, 2.2494061757719717 AbsIntAvgWeakeningVarsNumRemoved, 0.0 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 3 MinimizatonAttempts, 14 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 620 NumberOfCodeBlocks, 620 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 617 ConstructedInterpolants, 0 QuantifiedInterpolants, 201569 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 2 PerfectInterpolantSequences, 2320/2338 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...