/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --abstractinterpretationv2.abstract.domain IntervalDomain --traceabstraction.trace.refinement.strategy TAIPAN --traceabstraction.abstract.interpretation.mode USE_PREDICATES -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-fb55353 [2019-11-06 23:15:27,368 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-06 23:15:27,371 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-06 23:15:27,390 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-06 23:15:27,390 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-06 23:15:27,392 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-06 23:15:27,394 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-06 23:15:27,405 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-06 23:15:27,408 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-06 23:15:27,411 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-06 23:15:27,412 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-06 23:15:27,414 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-06 23:15:27,414 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-06 23:15:27,416 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-06 23:15:27,418 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-06 23:15:27,420 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-06 23:15:27,421 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-06 23:15:27,423 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-06 23:15:27,424 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-06 23:15:27,429 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-06 23:15:27,431 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-06 23:15:27,432 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-06 23:15:27,433 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-06 23:15:27,434 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-06 23:15:27,435 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-06 23:15:27,436 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-06 23:15:27,436 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-06 23:15:27,437 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-06 23:15:27,437 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-06 23:15:27,439 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-06 23:15:27,440 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-06 23:15:27,440 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-06 23:15:27,441 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-06 23:15:27,442 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-06 23:15:27,443 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-06 23:15:27,443 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-06 23:15:27,444 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-06 23:15:27,444 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-06 23:15:27,444 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-06 23:15:27,445 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-06 23:15:27,445 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-06 23:15:27,446 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-06 23:15:27,474 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-06 23:15:27,475 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-06 23:15:27,479 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-06 23:15:27,479 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-06 23:15:27,480 INFO L138 SettingsManager]: * Use SBE=true [2019-11-06 23:15:27,480 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-06 23:15:27,480 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-06 23:15:27,480 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-06 23:15:27,481 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-06 23:15:27,481 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-06 23:15:27,481 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-06 23:15:27,481 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-06 23:15:27,481 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-06 23:15:27,481 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-06 23:15:27,485 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-06 23:15:27,485 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-06 23:15:27,485 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-06 23:15:27,486 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-06 23:15:27,486 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-06 23:15:27,486 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-06 23:15:27,486 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-06 23:15:27,486 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-06 23:15:27,487 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-06 23:15:27,487 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-06 23:15:27,487 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-06 23:15:27,487 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-06 23:15:27,487 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-06 23:15:27,489 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-06 23:15:27,489 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-11-06 23:15:27,778 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-06 23:15:27,794 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-06 23:15:27,798 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-06 23:15:27,800 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-06 23:15:27,800 INFO L275 PluginConnector]: CDTParser initialized [2019-11-06 23:15:27,801 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--vfio--pci--vfio-pci.ko-main.cil.out.i [2019-11-06 23:15:27,880 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3fac32c67/4380e50dcbe947f58a18f414313bc28b/FLAG1d9143df7 [2019-11-06 23:15:28,740 INFO L306 CDTParser]: Found 1 translation units. [2019-11-06 23:15:28,741 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--vfio--pci--vfio-pci.ko-main.cil.out.i [2019-11-06 23:15:28,786 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3fac32c67/4380e50dcbe947f58a18f414313bc28b/FLAG1d9143df7 [2019-11-06 23:15:29,295 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3fac32c67/4380e50dcbe947f58a18f414313bc28b [2019-11-06 23:15:29,305 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-06 23:15:29,307 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-06 23:15:29,308 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-06 23:15:29,308 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-06 23:15:29,313 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-06 23:15:29,315 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:15:29" (1/1) ... [2019-11-06 23:15:29,318 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@579c77bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:15:29, skipping insertion in model container [2019-11-06 23:15:29,318 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:15:29" (1/1) ... [2019-11-06 23:15:29,327 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-06 23:15:29,480 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-06 23:15:31,419 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 23:15:31,485 INFO L188 MainTranslator]: Completed pre-run [2019-11-06 23:15:31,906 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 23:15:32,390 INFO L192 MainTranslator]: Completed translation [2019-11-06 23:15:32,391 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:15:32 WrapperNode [2019-11-06 23:15:32,391 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-06 23:15:32,392 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-06 23:15:32,392 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-06 23:15:32,392 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-06 23:15:32,408 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:15:32" (1/1) ... [2019-11-06 23:15:32,408 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:15:32" (1/1) ... [2019-11-06 23:15:32,524 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:15:32" (1/1) ... [2019-11-06 23:15:32,524 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:15:32" (1/1) ... [2019-11-06 23:15:32,772 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:15:32" (1/1) ... [2019-11-06 23:15:32,822 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:15:32" (1/1) ... [2019-11-06 23:15:32,862 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:15:32" (1/1) ... [2019-11-06 23:15:32,914 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-06 23:15:32,915 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-06 23:15:32,915 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-06 23:15:32,915 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-06 23:15:32,916 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:15:32" (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 [2019-11-06 23:15:32,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-06 23:15:32,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-06 23:15:32,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-11-06 23:15:32,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2019-11-06 23:15:32,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~X~int~X~~uint32_t~0~X~$Pointer$~TO~int [2019-11-06 23:15:32,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~X~$Pointer$~X~int~X~~__le32~0~TO~int [2019-11-06 23:15:32,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~X~$Pointer$~X~int~X~$Pointer$~TO~int [2019-11-06 23:15:32,991 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2019-11-06 23:15:32,992 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2019-11-06 23:15:32,992 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2019-11-06 23:15:32,993 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2019-11-06 23:15:32,993 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2019-11-06 23:15:32,993 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-11-06 23:15:32,994 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2019-11-06 23:15:32,994 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2019-11-06 23:15:32,994 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2019-11-06 23:15:32,997 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2019-11-06 23:15:32,997 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_byte [2019-11-06 23:15:32,997 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2019-11-06 23:15:32,998 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2019-11-06 23:15:32,998 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_word [2019-11-06 23:15:32,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-11-06 23:15:32,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-11-06 23:15:32,998 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-11-06 23:15:32,998 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-11-06 23:15:32,998 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-11-06 23:15:32,998 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_enable [2019-11-06 23:15:32,999 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_disable [2019-11-06 23:15:32,999 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_release [2019-11-06 23:15:32,999 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_open [2019-11-06 23:15:32,999 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_get_irq_count [2019-11-06 23:15:32,999 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_ioctl [2019-11-06 23:15:32,999 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_read [2019-11-06 23:15:32,999 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_write [2019-11-06 23:15:33,000 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_mmap [2019-11-06 23:15:33,000 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_probe [2019-11-06 23:15:33,000 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_remove [2019-11-06 23:15:33,001 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_cleanup [2019-11-06 23:15:33,001 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_init [2019-11-06 23:15:33,001 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-06 23:15:33,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_1 [2019-11-06 23:15:33,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_2 [2019-11-06 23:15:33,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_3 [2019-11-06 23:15:33,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_4 [2019-11-06 23:15:33,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_5 [2019-11-06 23:15:33,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_6 [2019-11-06 23:15:33,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_7 [2019-11-06 23:15:33,002 INFO L138 BoogieDeclarations]: Found implementation of procedure fls [2019-11-06 23:15:33,002 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-11-06 23:15:33,002 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2019-11-06 23:15:33,002 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2019-11-06 23:15:33,003 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-11-06 23:15:33,003 INFO L138 BoogieDeclarations]: Found implementation of procedure init_waitqueue_func_entry [2019-11-06 23:15:33,003 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2019-11-06 23:15:33,003 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2019-11-06 23:15:33,004 INFO L138 BoogieDeclarations]: Found implementation of procedure init_poll_funcptr [2019-11-06 23:15:33,004 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_virqfd_init [2019-11-06 23:15:33,004 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_virqfd_exit [2019-11-06 23:15:33,004 INFO L138 BoogieDeclarations]: Found implementation of procedure virqfd_deactivate [2019-11-06 23:15:33,004 INFO L138 BoogieDeclarations]: Found implementation of procedure virqfd_wakeup [2019-11-06 23:15:33,004 INFO L138 BoogieDeclarations]: Found implementation of procedure virqfd_ptable_queue_proc [2019-11-06 23:15:33,004 INFO L138 BoogieDeclarations]: Found implementation of procedure virqfd_shutdown [2019-11-06 23:15:33,005 INFO L138 BoogieDeclarations]: Found implementation of procedure virqfd_inject [2019-11-06 23:15:33,005 INFO L138 BoogieDeclarations]: Found implementation of procedure virqfd_enable [2019-11-06 23:15:33,005 INFO L138 BoogieDeclarations]: Found implementation of procedure virqfd_disable [2019-11-06 23:15:33,006 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_send_intx_eventfd [2019-11-06 23:15:33,006 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_intx_mask [2019-11-06 23:15:33,006 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_intx_unmask_handler [2019-11-06 23:15:33,006 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_intx_unmask [2019-11-06 23:15:33,006 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_intx_handler [2019-11-06 23:15:33,006 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_intx_enable [2019-11-06 23:15:33,006 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_intx_set_signal [2019-11-06 23:15:33,007 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_intx_disable [2019-11-06 23:15:33,007 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_msihandler [2019-11-06 23:15:33,008 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_msi_enable [2019-11-06 23:15:33,008 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_msi_set_vector_signal [2019-11-06 23:15:33,008 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_msi_set_block [2019-11-06 23:15:33,008 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_msi_disable [2019-11-06 23:15:33,008 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_set_intx_unmask [2019-11-06 23:15:33,009 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_set_intx_mask [2019-11-06 23:15:33,009 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_set_intx_trigger [2019-11-06 23:15:33,009 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_set_msi_trigger [2019-11-06 23:15:33,010 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_set_irqs_ioctl [2019-11-06 23:15:33,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_15 [2019-11-06 23:15:33,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_16 [2019-11-06 23:15:33,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_17 [2019-11-06 23:15:33,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_18 [2019-11-06 23:15:33,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_19 [2019-11-06 23:15:33,012 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_io_readwrite [2019-11-06 23:15:33,012 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_mem_readwrite [2019-11-06 23:15:33,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_25 [2019-11-06 23:15:33,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_26 [2019-11-06 23:15:33,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_27 [2019-11-06 23:15:33,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_28 [2019-11-06 23:15:33,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_29 [2019-11-06 23:15:33,012 INFO L138 BoogieDeclarations]: Found implementation of procedure pcibios_err_to_errno [2019-11-06 23:15:33,013 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_user_config_read [2019-11-06 23:15:33,013 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_user_config_write [2019-11-06 23:15:33,013 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_default_config_read [2019-11-06 23:15:33,013 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_default_config_write [2019-11-06 23:15:33,013 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_direct_config_read [2019-11-06 23:15:33,013 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_direct_config_write [2019-11-06 23:15:33,014 INFO L138 BoogieDeclarations]: Found implementation of procedure free_perm_bits [2019-11-06 23:15:33,014 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_perm_bits [2019-11-06 23:15:33,014 INFO L138 BoogieDeclarations]: Found implementation of procedure p_setb [2019-11-06 23:15:33,014 INFO L138 BoogieDeclarations]: Found implementation of procedure p_setw [2019-11-06 23:15:33,014 INFO L138 BoogieDeclarations]: Found implementation of procedure p_setd [2019-11-06 23:15:33,014 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_bar_restore [2019-11-06 23:15:33,014 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_generate_bar_flags [2019-11-06 23:15:33,015 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_bar_fixup [2019-11-06 23:15:33,015 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_basic_config_read [2019-11-06 23:15:33,015 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_basic_config_write [2019-11-06 23:15:33,015 INFO L138 BoogieDeclarations]: Found implementation of procedure init_pci_cap_basic_perm [2019-11-06 23:15:33,015 INFO L138 BoogieDeclarations]: Found implementation of procedure init_pci_cap_pm_perm [2019-11-06 23:15:33,016 INFO L138 BoogieDeclarations]: Found implementation of procedure init_pci_cap_pcix_perm [2019-11-06 23:15:33,016 INFO L138 BoogieDeclarations]: Found implementation of procedure init_pci_cap_exp_perm [2019-11-06 23:15:33,016 INFO L138 BoogieDeclarations]: Found implementation of procedure init_pci_cap_af_perm [2019-11-06 23:15:33,016 INFO L138 BoogieDeclarations]: Found implementation of procedure init_pci_ext_cap_err_perm [2019-11-06 23:15:33,016 INFO L138 BoogieDeclarations]: Found implementation of procedure init_pci_ext_cap_pwr_perm [2019-11-06 23:15:33,016 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_uninit_perm_bits [2019-11-06 23:15:33,017 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_init_perm_bits [2019-11-06 23:15:33,017 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_find_cap_start [2019-11-06 23:15:33,017 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_msi_config_read [2019-11-06 23:15:33,017 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_msi_config_write [2019-11-06 23:15:33,018 INFO L138 BoogieDeclarations]: Found implementation of procedure init_pci_cap_msi_perm [2019-11-06 23:15:33,018 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_msi_cap_len [2019-11-06 23:15:33,018 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_vc_cap_len [2019-11-06 23:15:33,018 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_cap_len [2019-11-06 23:15:33,018 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_ext_cap_len [2019-11-06 23:15:33,019 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_fill_vconfig_bytes [2019-11-06 23:15:33,019 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_cap_init [2019-11-06 23:15:33,019 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_ecap_init [2019-11-06 23:15:33,019 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_config_init [2019-11-06 23:15:33,020 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_config_free [2019-11-06 23:15:33,020 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_config_do_rw [2019-11-06 23:15:33,020 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_config_readwrite [2019-11-06 23:15:33,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_35 [2019-11-06 23:15:33,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_36 [2019-11-06 23:15:33,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_37 [2019-11-06 23:15:33,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_38 [2019-11-06 23:15:33,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_39 [2019-11-06 23:15:33,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-11-06 23:15:33,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-11-06 23:15:33,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-11-06 23:15:33,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_igate_of_vfio_pci_device [2019-11-06 23:15:33,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_igate_of_vfio_pci_device [2019-11-06 23:15:33,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_igate_of_vfio_pci_device [2019-11-06 23:15:33,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_igate_of_vfio_pci_device [2019-11-06 23:15:33,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_igate_of_vfio_pci_device [2019-11-06 23:15:33,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_igate_of_vfio_pci_device [2019-11-06 23:15:33,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_igate_of_vfio_pci_device [2019-11-06 23:15:33,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2019-11-06 23:15:33,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2019-11-06 23:15:33,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2019-11-06 23:15:33,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2019-11-06 23:15:33,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-11-06 23:15:33,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2019-11-06 23:15:33,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2019-11-06 23:15:33,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-11-06 23:15:33,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2019-11-06 23:15:33,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2019-11-06 23:15:33,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2019-11-06 23:15:33,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-11-06 23:15:33,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2019-11-06 23:15:33,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2019-11-06 23:15:33,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-11-06 23:15:33,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-11-06 23:15:33,034 INFO L138 BoogieDeclarations]: Found implementation of procedure __alloc_workqueue_key [2019-11-06 23:15:33,034 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2019-11-06 23:15:33,034 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2019-11-06 23:15:33,034 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2019-11-06 23:15:33,034 INFO L138 BoogieDeclarations]: Found implementation of procedure __pci_register_driver [2019-11-06 23:15:33,035 INFO L138 BoogieDeclarations]: Found implementation of procedure __pci_reset_function [2019-11-06 23:15:33,035 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-11-06 23:15:33,035 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2019-11-06 23:15:33,035 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2019-11-06 23:15:33,035 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irq [2019-11-06 23:15:33,035 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2019-11-06 23:15:33,035 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irq [2019-11-06 23:15:33,036 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-11-06 23:15:33,036 INFO L138 BoogieDeclarations]: Found implementation of procedure add_wait_queue [2019-11-06 23:15:33,036 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2019-11-06 23:15:33,036 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_irq_nosync [2019-11-06 23:15:33,036 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_irq [2019-11-06 23:15:33,036 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_ctx_fdget [2019-11-06 23:15:33,036 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_ctx_fileget [2019-11-06 23:15:33,036 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_ctx_put [2019-11-06 23:15:33,037 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_ctx_remove_wait_queue [2019-11-06 23:15:33,037 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_fget [2019-11-06 23:15:33,037 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_signal [2019-11-06 23:15:33,037 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_work [2019-11-06 23:15:33,037 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2019-11-06 23:15:33,037 INFO L138 BoogieDeclarations]: Found implementation of procedure fput [2019-11-06 23:15:33,037 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2019-11-06 23:15:33,038 INFO L138 BoogieDeclarations]: Found implementation of procedure iommu_group_get [2019-11-06 23:15:33,038 INFO L138 BoogieDeclarations]: Found implementation of procedure iommu_group_put [2019-11-06 23:15:33,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2019-11-06 23:15:33,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2019-11-06 23:15:33,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2019-11-06 23:15:33,038 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2019-11-06 23:15:33,038 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2019-11-06 23:15:33,039 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite8 [2019-11-06 23:15:33,039 INFO L138 BoogieDeclarations]: Found implementation of procedure kasprintf [2019-11-06 23:15:33,039 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2019-11-06 23:15:33,039 INFO L138 BoogieDeclarations]: Found implementation of procedure memdup_user [2019-11-06 23:15:33,039 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2019-11-06 23:15:33,039 INFO L138 BoogieDeclarations]: Found implementation of procedure module_put [2019-11-06 23:15:33,039 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2019-11-06 23:15:33,039 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2019-11-06 23:15:33,040 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-11-06 23:15:33,040 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_read_config_byte [2019-11-06 23:15:33,040 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_read_config_dword [2019-11-06 23:15:33,040 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_read_config_word [2019-11-06 23:15:33,040 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_write_config_word [2019-11-06 23:15:33,040 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_check_and_mask_intx [2019-11-06 23:15:33,040 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_check_and_unmask_intx [2019-11-06 23:15:33,041 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2019-11-06 23:15:33,041 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2019-11-06 23:15:33,041 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msix [2019-11-06 23:15:33,041 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2019-11-06 23:15:33,041 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_msi_block [2019-11-06 23:15:33,041 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_msix [2019-11-06 23:15:33,041 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_find_capability [2019-11-06 23:15:33,042 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_intx [2019-11-06 23:15:33,042 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_intx_mask_supported [2019-11-06 23:15:33,042 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2019-11-06 23:15:33,042 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2019-11-06 23:15:33,042 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_load_and_free_saved_state [2019-11-06 23:15:33,042 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_rom [2019-11-06 23:15:33,042 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_selected_regions [2019-11-06 23:15:33,043 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_request_selected_regions [2019-11-06 23:15:33,043 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_reset_function [2019-11-06 23:15:33,043 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2019-11-06 23:15:33,043 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2019-11-06 23:15:33,043 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_store_saved_state [2019-11-06 23:15:33,043 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_rom [2019-11-06 23:15:33,043 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2019-11-06 23:15:33,043 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_user_read_config_byte [2019-11-06 23:15:33,044 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_user_read_config_dword [2019-11-06 23:15:33,044 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_user_read_config_word [2019-11-06 23:15:33,044 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_user_write_config_byte [2019-11-06 23:15:33,044 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_user_write_config_dword [2019-11-06 23:15:33,044 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_user_write_config_word [2019-11-06 23:15:33,044 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-11-06 23:15:33,044 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2019-11-06 23:15:33,044 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_pfn_range [2019-11-06 23:15:33,045 INFO L138 BoogieDeclarations]: Found implementation of procedure request_threaded_irq [2019-11-06 23:15:33,045 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2019-11-06 23:15:33,045 INFO L138 BoogieDeclarations]: Found implementation of procedure try_module_get [2019-11-06 23:15:33,045 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_add_group_dev [2019-11-06 23:15:33,045 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_del_group_dev [2019-11-06 23:15:33,045 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_fmt [2019-11-06 23:15:33,045 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2019-11-06 23:15:33,045 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-11-06 23:15:33,045 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-11-06 23:15:33,046 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-11-06 23:15:33,046 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-11-06 23:15:33,046 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-06 23:15:33,046 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-11-06 23:15:33,046 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-11-06 23:15:33,046 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2019-11-06 23:15:33,046 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2019-11-06 23:15:33,047 INFO L130 BoogieDeclarations]: Found specification of procedure memdup_user [2019-11-06 23:15:33,047 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_fmt [2019-11-06 23:15:33,047 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2019-11-06 23:15:33,047 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2019-11-06 23:15:33,047 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2019-11-06 23:15:33,047 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2019-11-06 23:15:33,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-06 23:15:33,047 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2019-11-06 23:15:33,048 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2019-11-06 23:15:33,048 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2019-11-06 23:15:33,048 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2019-11-06 23:15:33,048 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_4 [2019-11-06 23:15:33,048 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-11-06 23:15:33,048 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_2 [2019-11-06 23:15:33,048 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_5 [2019-11-06 23:15:33,049 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_7 [2019-11-06 23:15:33,049 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2019-11-06 23:15:33,049 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_1 [2019-11-06 23:15:33,049 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_3 [2019-11-06 23:15:33,049 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_6 [2019-11-06 23:15:33,049 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_igate_of_vfio_pci_device [2019-11-06 23:15:33,049 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_igate_of_vfio_pci_device [2019-11-06 23:15:33,049 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2019-11-06 23:15:33,050 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2019-11-06 23:15:33,050 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2019-11-06 23:15:33,050 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2019-11-06 23:15:33,050 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2019-11-06 23:15:33,050 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-06 23:15:33,050 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-11-06 23:15:33,050 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-11-06 23:15:33,050 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2019-11-06 23:15:33,051 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-06 23:15:33,051 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2019-11-06 23:15:33,051 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2019-11-06 23:15:33,051 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2019-11-06 23:15:33,051 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2019-11-06 23:15:33,051 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2019-11-06 23:15:33,051 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2019-11-06 23:15:33,052 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-06 23:15:33,052 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2019-11-06 23:15:33,052 INFO L130 BoogieDeclarations]: Found specification of procedure iommu_group_get [2019-11-06 23:15:33,052 INFO L130 BoogieDeclarations]: Found specification of procedure iommu_group_put [2019-11-06 23:15:33,052 INFO L130 BoogieDeclarations]: Found specification of procedure try_module_get [2019-11-06 23:15:33,052 INFO L130 BoogieDeclarations]: Found specification of procedure module_put [2019-11-06 23:15:33,052 INFO L130 BoogieDeclarations]: Found specification of procedure pci_find_capability [2019-11-06 23:15:33,052 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_read_config_byte [2019-11-06 23:15:33,053 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_read_config_word [2019-11-06 23:15:33,053 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_read_config_dword [2019-11-06 23:15:33,053 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_write_config_word [2019-11-06 23:15:33,053 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_byte [2019-11-06 23:15:33,053 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-06 23:15:33,053 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2019-11-06 23:15:33,053 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2019-11-06 23:15:33,053 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_word [2019-11-06 23:15:33,053 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2019-11-06 23:15:33,054 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2019-11-06 23:15:33,054 INFO L130 BoogieDeclarations]: Found specification of procedure pci_intx_mask_supported [2019-11-06 23:15:33,054 INFO L130 BoogieDeclarations]: Found specification of procedure __pci_reset_function [2019-11-06 23:15:33,054 INFO L130 BoogieDeclarations]: Found specification of procedure pci_reset_function [2019-11-06 23:15:33,054 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_rom [2019-11-06 23:15:33,054 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_rom [2019-11-06 23:15:33,054 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2019-11-06 23:15:33,054 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2019-11-06 23:15:33,054 INFO L130 BoogieDeclarations]: Found specification of procedure pci_store_saved_state [2019-11-06 23:15:33,055 INFO L130 BoogieDeclarations]: Found specification of procedure pci_load_and_free_saved_state [2019-11-06 23:15:33,055 INFO L130 BoogieDeclarations]: Found specification of procedure pci_request_selected_regions [2019-11-06 23:15:33,055 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_selected_regions [2019-11-06 23:15:33,055 INFO L130 BoogieDeclarations]: Found specification of procedure __pci_register_driver [2019-11-06 23:15:33,055 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2019-11-06 23:15:33,055 INFO L130 BoogieDeclarations]: Found specification of procedure remap_pfn_range [2019-11-06 23:15:33,055 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-11-06 23:15:33,055 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-11-06 23:15:33,055 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-06 23:15:33,056 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-11-06 23:15:33,056 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-11-06 23:15:33,056 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-06 23:15:33,056 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-11-06 23:15:33,056 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-11-06 23:15:33,056 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-11-06 23:15:33,056 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_add_group_dev [2019-11-06 23:15:33,056 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_del_group_dev [2019-11-06 23:15:33,057 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_set_irqs_ioctl [2019-11-06 23:15:33,057 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_config_readwrite [2019-11-06 23:15:33,057 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_mem_readwrite [2019-11-06 23:15:33,057 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_io_readwrite [2019-11-06 23:15:33,057 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_init_perm_bits [2019-11-06 23:15:33,057 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_uninit_perm_bits [2019-11-06 23:15:33,057 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_virqfd_init [2019-11-06 23:15:33,057 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_virqfd_exit [2019-11-06 23:15:33,057 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_config_init [2019-11-06 23:15:33,058 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_config_free [2019-11-06 23:15:33,058 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_enable [2019-11-06 23:15:33,058 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-06 23:15:33,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-06 23:15:33,058 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_disable [2019-11-06 23:15:33,058 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_release [2019-11-06 23:15:33,058 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_open [2019-11-06 23:15:33,058 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_get_irq_count [2019-11-06 23:15:33,059 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_ioctl [2019-11-06 23:15:33,059 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_read [2019-11-06 23:15:33,059 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_write [2019-11-06 23:15:33,059 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_mmap [2019-11-06 23:15:33,059 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_probe [2019-11-06 23:15:33,059 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_remove [2019-11-06 23:15:33,059 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_cleanup [2019-11-06 23:15:33,059 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_init [2019-11-06 23:15:33,059 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-11-06 23:15:33,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-11-06 23:15:33,060 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-06 23:15:33,060 INFO L130 BoogieDeclarations]: Found specification of procedure fls [2019-11-06 23:15:33,060 INFO L130 BoogieDeclarations]: Found specification of procedure kasprintf [2019-11-06 23:15:33,060 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-11-06 23:15:33,060 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2019-11-06 23:15:33,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_18 [2019-11-06 23:15:33,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_16 [2019-11-06 23:15:33,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_19 [2019-11-06 23:15:33,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_15 [2019-11-06 23:15:33,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_17 [2019-11-06 23:15:33,061 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irq [2019-11-06 23:15:33,061 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2019-11-06 23:15:33,061 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irq [2019-11-06 23:15:33,061 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-11-06 23:15:33,061 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2019-11-06 23:15:33,061 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2019-11-06 23:15:33,062 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-11-06 23:15:33,062 INFO L130 BoogieDeclarations]: Found specification of procedure init_waitqueue_func_entry [2019-11-06 23:15:33,062 INFO L130 BoogieDeclarations]: Found specification of procedure add_wait_queue [2019-11-06 23:15:33,062 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2019-11-06 23:15:33,062 INFO L130 BoogieDeclarations]: Found specification of procedure __alloc_workqueue_key [2019-11-06 23:15:33,062 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2019-11-06 23:15:33,062 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2019-11-06 23:15:33,062 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2019-11-06 23:15:33,063 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2019-11-06 23:15:33,063 INFO L130 BoogieDeclarations]: Found specification of procedure flush_work [2019-11-06 23:15:33,063 INFO L130 BoogieDeclarations]: Found specification of procedure request_threaded_irq [2019-11-06 23:15:33,063 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2019-11-06 23:15:33,063 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2019-11-06 23:15:33,063 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq_nosync [2019-11-06 23:15:33,063 INFO L130 BoogieDeclarations]: Found specification of procedure enable_irq [2019-11-06 23:15:33,064 INFO L130 BoogieDeclarations]: Found specification of procedure fput [2019-11-06 23:15:33,064 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_ctx_put [2019-11-06 23:15:33,064 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_fget [2019-11-06 23:15:33,064 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_ctx_fdget [2019-11-06 23:15:33,064 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_ctx_fileget [2019-11-06 23:15:33,064 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_signal [2019-11-06 23:15:33,064 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_ctx_remove_wait_queue [2019-11-06 23:15:33,064 INFO L130 BoogieDeclarations]: Found specification of procedure pci_intx [2019-11-06 23:15:33,065 INFO L130 BoogieDeclarations]: Found specification of procedure pci_check_and_mask_intx [2019-11-06 23:15:33,065 INFO L130 BoogieDeclarations]: Found specification of procedure pci_check_and_unmask_intx [2019-11-06 23:15:33,065 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_msi_block [2019-11-06 23:15:33,065 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2019-11-06 23:15:33,065 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_msix [2019-11-06 23:15:33,065 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msix [2019-11-06 23:15:33,065 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2019-11-06 23:15:33,066 INFO L130 BoogieDeclarations]: Found specification of procedure init_poll_funcptr [2019-11-06 23:15:33,066 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_intx_mask [2019-11-06 23:15:33,066 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_intx_unmask [2019-11-06 23:15:33,066 INFO L130 BoogieDeclarations]: Found specification of procedure virqfd_deactivate [2019-11-06 23:15:33,066 INFO L130 BoogieDeclarations]: Found specification of procedure virqfd_wakeup [2019-11-06 23:15:33,066 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-11-06 23:15:33,066 INFO L130 BoogieDeclarations]: Found specification of procedure virqfd_ptable_queue_proc [2019-11-06 23:15:33,066 INFO L130 BoogieDeclarations]: Found specification of procedure virqfd_shutdown [2019-11-06 23:15:33,066 INFO L130 BoogieDeclarations]: Found specification of procedure virqfd_inject [2019-11-06 23:15:33,067 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2019-11-06 23:15:33,067 INFO L130 BoogieDeclarations]: Found specification of procedure virqfd_enable [2019-11-06 23:15:33,067 INFO L130 BoogieDeclarations]: Found specification of procedure virqfd_disable [2019-11-06 23:15:33,067 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_send_intx_eventfd [2019-11-06 23:15:33,067 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_intx_unmask_handler [2019-11-06 23:15:33,067 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_intx_handler [2019-11-06 23:15:33,067 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_intx_enable [2019-11-06 23:15:33,067 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_intx_set_signal [2019-11-06 23:15:33,068 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_intx_disable [2019-11-06 23:15:33,068 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_msihandler [2019-11-06 23:15:33,068 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_msi_enable [2019-11-06 23:15:33,068 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_msi_set_vector_signal [2019-11-06 23:15:33,068 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_msi_set_block [2019-11-06 23:15:33,068 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_msi_disable [2019-11-06 23:15:33,068 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_set_intx_unmask [2019-11-06 23:15:33,068 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_set_intx_mask [2019-11-06 23:15:33,069 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_set_intx_trigger [2019-11-06 23:15:33,069 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_set_msi_trigger [2019-11-06 23:15:33,069 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~X~int~X~~uint32_t~0~X~$Pointer$~TO~int [2019-11-06 23:15:33,069 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_28 [2019-11-06 23:15:33,069 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_26 [2019-11-06 23:15:33,069 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_29 [2019-11-06 23:15:33,069 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_25 [2019-11-06 23:15:33,069 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_27 [2019-11-06 23:15:33,069 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2019-11-06 23:15:33,070 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2019-11-06 23:15:33,070 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2019-11-06 23:15:33,070 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8 [2019-11-06 23:15:33,070 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2019-11-06 23:15:33,070 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2019-11-06 23:15:33,070 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-11-06 23:15:33,070 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-11-06 23:15:33,070 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2019-11-06 23:15:33,070 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_38 [2019-11-06 23:15:33,070 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_36 [2019-11-06 23:15:33,071 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_39 [2019-11-06 23:15:33,071 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_35 [2019-11-06 23:15:33,071 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_37 [2019-11-06 23:15:33,071 INFO L130 BoogieDeclarations]: Found specification of procedure pcibios_err_to_errno [2019-11-06 23:15:33,071 INFO L130 BoogieDeclarations]: Found specification of procedure pci_user_read_config_byte [2019-11-06 23:15:33,071 INFO L130 BoogieDeclarations]: Found specification of procedure pci_user_read_config_word [2019-11-06 23:15:33,071 INFO L130 BoogieDeclarations]: Found specification of procedure pci_user_read_config_dword [2019-11-06 23:15:33,071 INFO L130 BoogieDeclarations]: Found specification of procedure pci_user_write_config_byte [2019-11-06 23:15:33,071 INFO L130 BoogieDeclarations]: Found specification of procedure pci_user_write_config_word [2019-11-06 23:15:33,072 INFO L130 BoogieDeclarations]: Found specification of procedure pci_user_write_config_dword [2019-11-06 23:15:33,072 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_user_config_read [2019-11-06 23:15:33,072 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_user_config_write [2019-11-06 23:15:33,072 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_default_config_read [2019-11-06 23:15:33,072 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-11-06 23:15:33,072 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_default_config_write [2019-11-06 23:15:33,072 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_direct_config_read [2019-11-06 23:15:33,072 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_direct_config_write [2019-11-06 23:15:33,072 INFO L130 BoogieDeclarations]: Found specification of procedure free_perm_bits [2019-11-06 23:15:33,073 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_perm_bits [2019-11-06 23:15:33,073 INFO L130 BoogieDeclarations]: Found specification of procedure p_setb [2019-11-06 23:15:33,073 INFO L130 BoogieDeclarations]: Found specification of procedure p_setw [2019-11-06 23:15:33,073 INFO L130 BoogieDeclarations]: Found specification of procedure p_setd [2019-11-06 23:15:33,073 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_bar_restore [2019-11-06 23:15:33,073 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_generate_bar_flags [2019-11-06 23:15:33,073 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_bar_fixup [2019-11-06 23:15:33,073 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_basic_config_read [2019-11-06 23:15:33,073 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_basic_config_write [2019-11-06 23:15:33,074 INFO L130 BoogieDeclarations]: Found specification of procedure init_pci_cap_basic_perm [2019-11-06 23:15:33,074 INFO L130 BoogieDeclarations]: Found specification of procedure init_pci_cap_pm_perm [2019-11-06 23:15:33,074 INFO L130 BoogieDeclarations]: Found specification of procedure init_pci_cap_pcix_perm [2019-11-06 23:15:33,074 INFO L130 BoogieDeclarations]: Found specification of procedure init_pci_cap_exp_perm [2019-11-06 23:15:33,074 INFO L130 BoogieDeclarations]: Found specification of procedure init_pci_cap_af_perm [2019-11-06 23:15:33,074 INFO L130 BoogieDeclarations]: Found specification of procedure init_pci_ext_cap_err_perm [2019-11-06 23:15:33,074 INFO L130 BoogieDeclarations]: Found specification of procedure init_pci_ext_cap_pwr_perm [2019-11-06 23:15:33,074 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_find_cap_start [2019-11-06 23:15:33,075 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_msi_config_read [2019-11-06 23:15:33,075 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_msi_config_write [2019-11-06 23:15:33,075 INFO L130 BoogieDeclarations]: Found specification of procedure init_pci_cap_msi_perm [2019-11-06 23:15:33,075 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_msi_cap_len [2019-11-06 23:15:33,075 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_vc_cap_len [2019-11-06 23:15:33,075 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_cap_len [2019-11-06 23:15:33,075 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_ext_cap_len [2019-11-06 23:15:33,075 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_fill_vconfig_bytes [2019-11-06 23:15:33,075 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_cap_init [2019-11-06 23:15:33,075 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-11-06 23:15:33,076 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_ecap_init [2019-11-06 23:15:33,076 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_config_do_rw [2019-11-06 23:15:33,076 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~X~$Pointer$~X~int~X~~__le32~0~TO~int [2019-11-06 23:15:33,076 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~X~$Pointer$~X~int~X~$Pointer$~TO~int [2019-11-06 23:15:33,076 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-11-06 23:15:33,076 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-11-06 23:15:33,076 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_igate_of_vfio_pci_device [2019-11-06 23:15:33,076 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_igate_of_vfio_pci_device [2019-11-06 23:15:33,076 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_igate_of_vfio_pci_device [2019-11-06 23:15:33,077 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_igate_of_vfio_pci_device [2019-11-06 23:15:33,077 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_igate_of_vfio_pci_device [2019-11-06 23:15:33,077 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2019-11-06 23:15:33,077 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2019-11-06 23:15:33,077 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2019-11-06 23:15:33,077 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-11-06 23:15:33,077 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2019-11-06 23:15:33,077 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-11-06 23:15:33,077 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2019-11-06 23:15:33,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-11-06 23:15:33,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2019-11-06 23:15:33,078 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-11-06 23:15:33,078 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-11-06 23:15:33,078 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-11-06 23:15:33,078 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-11-06 23:15:33,078 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-11-06 23:15:33,078 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-06 23:15:33,078 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-06 23:15:33,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-06 23:15:33,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-06 23:15:33,079 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-06 23:15:33,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-11-06 23:15:33,079 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-11-06 23:15:33,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-11-06 23:15:33,079 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-11-06 23:15:34,819 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-06 23:15:35,189 INFO L688 $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; [2019-11-06 23:15:35,190 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint L2749: assume !#t~short211; [2019-11-06 23:15:35,190 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint L2749-2: assume #t~short211;havoc #t~mem208;havoc #t~mem210;havoc #t~mem209;havoc #t~short211;call #t~mem212 := read~int(~#info___0~0.base, 4 + ~#info___0~0.offset, 4);call write~int(~bitwiseOr(#t~mem212, 4), ~#info___0~0.base, 4 + ~#info___0~0.offset, 4);havoc #t~mem212; [2019-11-06 23:15:35,190 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint L2749-2: assume !#t~short211;havoc #t~mem208;havoc #t~mem210;havoc #t~mem209;havoc #t~short211; [2019-11-06 23:15:35,190 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint L2738: assume #t~short202;havoc #t~mem200;havoc #t~mem199;havoc #t~mem201;havoc #t~mem198;havoc #t~short202;havoc #t~mem196;havoc #t~mem197;call #t~mem203 := read~int(~#info___0~0.base, 8 + ~#info___0~0.offset, 4);call #t~mem205 := read~int(~pdev~2.base, 8 + (790 + ~pdev~2.offset + 36 * (if #t~mem203 % 4294967296 % 4294967296 <= 2147483647 then #t~mem203 % 4294967296 % 4294967296 else #t~mem203 % 4294967296 % 4294967296 - 4294967296)), 8);call #t~mem204 := read~int(~#info___0~0.base, 8 + ~#info___0~0.offset, 4);call #t~mem206 := read~int(~pdev~2.base, 790 + ~pdev~2.offset + 36 * (if #t~mem204 % 4294967296 % 4294967296 <= 2147483647 then #t~mem204 % 4294967296 % 4294967296 else #t~mem204 % 4294967296 % 4294967296 - 4294967296), 8);call write~int(1 + (#t~mem205 - #t~mem206), ~#info___0~0.base, 16 + ~#info___0~0.offset, 8);havoc #t~mem205;havoc #t~mem203;havoc #t~mem206;havoc #t~mem204; [2019-11-06 23:15:35,190 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint L2738: assume !#t~short202;havoc #t~mem200;havoc #t~mem199;havoc #t~mem201;havoc #t~mem198;havoc #t~short202;havoc #t~mem196;havoc #t~mem197;call write~int(0, ~#info___0~0.base, 16 + ~#info___0~0.offset, 8); [2019-11-06 23:15:35,191 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume #t~short202; [2019-11-06 23:15:35,191 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint L2738-2: call #t~mem207 := read~int(~#info___0~0.base, 16 + ~#info___0~0.offset, 8); [2019-11-06 23:15:35,191 INFO L688 $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; [2019-11-06 23:15:35,191 INFO L688 $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); [2019-11-06 23:15:35,191 INFO L688 $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; [2019-11-06 23:15:40,307 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-06 23:15:40,307 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-11-06 23:15:40,310 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:15:40 BoogieIcfgContainer [2019-11-06 23:15:40,310 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-06 23:15:40,313 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-06 23:15:40,313 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-06 23:15:40,316 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-06 23:15:40,316 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 11:15:29" (1/3) ... [2019-11-06 23:15:40,317 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1424023f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:15:40, skipping insertion in model container [2019-11-06 23:15:40,317 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:15:32" (2/3) ... [2019-11-06 23:15:40,318 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1424023f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:15:40, skipping insertion in model container [2019-11-06 23:15:40,318 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:15:40" (3/3) ... [2019-11-06 23:15:40,320 INFO L109 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--vfio--pci--vfio-pci.ko-main.cil.out.i [2019-11-06 23:15:40,330 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-06 23:15:40,350 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-06 23:15:40,365 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-06 23:15:40,410 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-06 23:15:40,410 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-06 23:15:40,410 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-06 23:15:40,410 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-06 23:15:40,411 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-06 23:15:40,411 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-06 23:15:40,411 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-06 23:15:40,411 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-06 23:15:40,482 INFO L276 IsEmpty]: Start isEmpty. Operand 2373 states. [2019-11-06 23:15:40,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-11-06 23:15:40,514 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 23:15:40,515 INFO L410 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] [2019-11-06 23:15:40,517 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 23:15:40,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 23:15:40,523 INFO L82 PathProgramCache]: Analyzing trace with hash 1362634209, now seen corresponding path program 1 times [2019-11-06 23:15:40,533 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-06 23:15:40,534 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2051508877] [2019-11-06 23:15:40,534 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 23:15:40,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 23:15:41,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 23:15:41,269 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2051508877] [2019-11-06 23:15:41,271 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 23:15:41,271 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-06 23:15:41,272 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2058960830] [2019-11-06 23:15:41,277 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-06 23:15:41,279 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-06 23:15:41,294 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-06 23:15:41,294 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-06 23:15:41,297 INFO L87 Difference]: Start difference. First operand 2373 states. Second operand 3 states. [2019-11-06 23:15:41,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 23:15:41,736 INFO L93 Difference]: Finished difference Result 4702 states and 6503 transitions. [2019-11-06 23:15:41,737 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-06 23:15:41,738 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 61 [2019-11-06 23:15:41,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 23:15:41,787 INFO L225 Difference]: With dead ends: 4702 [2019-11-06 23:15:41,787 INFO L226 Difference]: Without dead ends: 2505 [2019-11-06 23:15:41,806 INFO L630 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 [2019-11-06 23:15:41,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2505 states. [2019-11-06 23:15:42,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2505 to 2495. [2019-11-06 23:15:42,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2495 states. [2019-11-06 23:15:42,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2495 states to 2495 states and 3426 transitions. [2019-11-06 23:15:42,033 INFO L78 Accepts]: Start accepts. Automaton has 2495 states and 3426 transitions. Word has length 61 [2019-11-06 23:15:42,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 23:15:42,033 INFO L462 AbstractCegarLoop]: Abstraction has 2495 states and 3426 transitions. [2019-11-06 23:15:42,034 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-06 23:15:42,034 INFO L276 IsEmpty]: Start isEmpty. Operand 2495 states and 3426 transitions. [2019-11-06 23:15:42,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2019-11-06 23:15:42,040 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 23:15:42,040 INFO L410 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] [2019-11-06 23:15:42,040 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 23:15:42,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 23:15:42,041 INFO L82 PathProgramCache]: Analyzing trace with hash -1105932918, now seen corresponding path program 1 times [2019-11-06 23:15:42,041 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-06 23:15:42,041 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [469222476] [2019-11-06 23:15:42,041 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 23:15:42,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 23:15:42,330 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2019-11-06 23:15:42,331 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [469222476] [2019-11-06 23:15:42,332 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 23:15:42,332 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-06 23:15:42,332 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220857702] [2019-11-06 23:15:42,334 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-06 23:15:42,334 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-06 23:15:42,335 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-06 23:15:42,335 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-06 23:15:42,335 INFO L87 Difference]: Start difference. First operand 2495 states and 3426 transitions. Second operand 3 states. [2019-11-06 23:15:42,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 23:15:42,731 INFO L93 Difference]: Finished difference Result 7152 states and 9821 transitions. [2019-11-06 23:15:42,731 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-06 23:15:42,731 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 137 [2019-11-06 23:15:42,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 23:15:42,765 INFO L225 Difference]: With dead ends: 7152 [2019-11-06 23:15:42,765 INFO L226 Difference]: Without dead ends: 4668 [2019-11-06 23:15:42,779 INFO L630 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 [2019-11-06 23:15:42,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4668 states. [2019-11-06 23:15:43,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4668 to 4664. [2019-11-06 23:15:43,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4664 states. [2019-11-06 23:15:43,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4664 states to 4664 states and 6397 transitions. [2019-11-06 23:15:43,037 INFO L78 Accepts]: Start accepts. Automaton has 4664 states and 6397 transitions. Word has length 137 [2019-11-06 23:15:43,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 23:15:43,038 INFO L462 AbstractCegarLoop]: Abstraction has 4664 states and 6397 transitions. [2019-11-06 23:15:43,038 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-06 23:15:43,038 INFO L276 IsEmpty]: Start isEmpty. Operand 4664 states and 6397 transitions. [2019-11-06 23:15:43,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 423 [2019-11-06 23:15:43,047 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 23:15:43,047 INFO L410 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] [2019-11-06 23:15:43,048 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 23:15:43,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 23:15:43,048 INFO L82 PathProgramCache]: Analyzing trace with hash 1532425619, now seen corresponding path program 1 times [2019-11-06 23:15:43,049 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-06 23:15:43,049 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1250078632] [2019-11-06 23:15:43,049 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 23:15:43,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 23:15:44,209 INFO L134 CoverageAnalysis]: Checked inductivity of 1918 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 1900 trivial. 0 not checked. [2019-11-06 23:15:44,210 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1250078632] [2019-11-06 23:15:44,210 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1901218228] [2019-11-06 23:15:44,210 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-06 23:15:45,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 23:15:45,633 INFO L256 TraceCheckSpWp]: Trace formula consists of 4072 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-06 23:15:45,666 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-06 23:15:45,818 INFO L134 CoverageAnalysis]: Checked inductivity of 1918 backedges. 498 proven. 0 refuted. 0 times theorem prover too weak. 1420 trivial. 0 not checked. [2019-11-06 23:15:45,818 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-06 23:15:47,276 INFO L134 CoverageAnalysis]: Checked inductivity of 1918 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 1900 trivial. 0 not checked. [2019-11-06 23:15:47,277 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-11-06 23:15:47,277 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3, 3] total 3 [2019-11-06 23:15:47,277 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1443865963] [2019-11-06 23:15:47,278 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-06 23:15:47,279 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-06 23:15:47,279 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-06 23:15:47,279 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-06 23:15:47,279 INFO L87 Difference]: Start difference. First operand 4664 states and 6397 transitions. Second operand 3 states. [2019-11-06 23:15:47,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 23:15:47,456 INFO L93 Difference]: Finished difference Result 9320 states and 12837 transitions. [2019-11-06 23:15:47,456 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-06 23:15:47,457 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 422 [2019-11-06 23:15:47,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 23:15:47,495 INFO L225 Difference]: With dead ends: 9320 [2019-11-06 23:15:47,495 INFO L226 Difference]: Without dead ends: 4667 [2019-11-06 23:15:47,521 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 846 GetRequests, 845 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-06 23:15:47,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4667 states. [2019-11-06 23:15:47,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4667 to 4667. [2019-11-06 23:15:47,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4667 states. [2019-11-06 23:15:47,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4667 states to 4667 states and 6400 transitions. [2019-11-06 23:15:47,721 INFO L78 Accepts]: Start accepts. Automaton has 4667 states and 6400 transitions. Word has length 422 [2019-11-06 23:15:47,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 23:15:47,722 INFO L462 AbstractCegarLoop]: Abstraction has 4667 states and 6400 transitions. [2019-11-06 23:15:47,722 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-06 23:15:47,722 INFO L276 IsEmpty]: Start isEmpty. Operand 4667 states and 6400 transitions. [2019-11-06 23:15:47,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 423 [2019-11-06 23:15:47,730 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 23:15:47,731 INFO L410 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] [2019-11-06 23:15:47,941 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-06 23:15:47,941 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 23:15:47,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 23:15:47,942 INFO L82 PathProgramCache]: Analyzing trace with hash 317236369, now seen corresponding path program 1 times [2019-11-06 23:15:47,943 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-06 23:15:47,943 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [175798632] [2019-11-06 23:15:47,943 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 23:15:48,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 23:15:48,376 INFO L134 CoverageAnalysis]: Checked inductivity of 1918 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 1906 trivial. 0 not checked. [2019-11-06 23:15:48,377 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [175798632] [2019-11-06 23:15:48,377 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2122439189] [2019-11-06 23:15:48,377 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-06 23:15:49,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 23:15:49,789 INFO L256 TraceCheckSpWp]: Trace formula consists of 4107 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-06 23:15:49,804 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-06 23:15:50,071 INFO L134 CoverageAnalysis]: Checked inductivity of 1918 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1918 trivial. 0 not checked. [2019-11-06 23:15:50,071 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-06 23:15:51,286 INFO L134 CoverageAnalysis]: Checked inductivity of 1918 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1918 trivial. 0 not checked. [2019-11-06 23:15:51,287 INFO L218 FreeRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-11-06 23:15:51,287 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [5] total 6 [2019-11-06 23:15:51,287 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173783757] [2019-11-06 23:15:51,288 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-06 23:15:51,289 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-06 23:15:51,289 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-06 23:15:51,289 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-06 23:15:51,289 INFO L87 Difference]: Start difference. First operand 4667 states and 6400 transitions. Second operand 3 states. [2019-11-06 23:15:51,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 23:15:51,819 INFO L93 Difference]: Finished difference Result 6105 states and 8278 transitions. [2019-11-06 23:15:51,819 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-06 23:15:51,819 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 422 [2019-11-06 23:15:51,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 23:15:51,860 INFO L225 Difference]: With dead ends: 6105 [2019-11-06 23:15:51,860 INFO L226 Difference]: Without dead ends: 6101 [2019-11-06 23:15:51,865 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 848 GetRequests, 844 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-06 23:15:51,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6101 states. [2019-11-06 23:15:52,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6101 to 6099. [2019-11-06 23:15:52,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6099 states. [2019-11-06 23:15:52,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6099 states to 6099 states and 8271 transitions. [2019-11-06 23:15:52,094 INFO L78 Accepts]: Start accepts. Automaton has 6099 states and 8271 transitions. Word has length 422 [2019-11-06 23:15:52,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 23:15:52,095 INFO L462 AbstractCegarLoop]: Abstraction has 6099 states and 8271 transitions. [2019-11-06 23:15:52,095 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-06 23:15:52,096 INFO L276 IsEmpty]: Start isEmpty. Operand 6099 states and 8271 transitions. [2019-11-06 23:15:52,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 424 [2019-11-06 23:15:52,103 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 23:15:52,103 INFO L410 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, 1] [2019-11-06 23:15:52,322 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-06 23:15:52,323 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 23:15:52,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 23:15:52,323 INFO L82 PathProgramCache]: Analyzing trace with hash 1243283569, now seen corresponding path program 1 times [2019-11-06 23:15:52,323 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-06 23:15:52,324 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256845746] [2019-11-06 23:15:52,324 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 23:15:52,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 23:15:52,684 INFO L134 CoverageAnalysis]: Checked inductivity of 1918 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 1906 trivial. 0 not checked. [2019-11-06 23:15:52,685 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [256845746] [2019-11-06 23:15:52,685 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [825744153] [2019-11-06 23:15:52,685 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-06 23:15:54,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 23:15:54,393 INFO L256 TraceCheckSpWp]: Trace formula consists of 4109 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-06 23:15:54,403 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-06 23:15:54,539 INFO L134 CoverageAnalysis]: Checked inductivity of 1918 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1918 trivial. 0 not checked. [2019-11-06 23:15:54,539 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-06 23:15:55,834 INFO L134 CoverageAnalysis]: Checked inductivity of 1918 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1918 trivial. 0 not checked. [2019-11-06 23:15:55,834 INFO L218 FreeRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-11-06 23:15:55,835 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [5] total 6 [2019-11-06 23:15:55,835 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1468218399] [2019-11-06 23:15:55,837 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-06 23:15:55,837 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-06 23:15:55,837 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-06 23:15:55,838 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-06 23:15:55,838 INFO L87 Difference]: Start difference. First operand 6099 states and 8271 transitions. Second operand 3 states. [2019-11-06 23:15:56,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 23:15:56,143 INFO L93 Difference]: Finished difference Result 6101 states and 8272 transitions. [2019-11-06 23:15:56,143 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-06 23:15:56,144 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 423 [2019-11-06 23:15:56,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 23:15:56,183 INFO L225 Difference]: With dead ends: 6101 [2019-11-06 23:15:56,183 INFO L226 Difference]: Without dead ends: 6098 [2019-11-06 23:15:56,188 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 850 GetRequests, 846 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-06 23:15:56,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6098 states. [2019-11-06 23:15:56,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6098 to 6098. [2019-11-06 23:15:56,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6098 states. [2019-11-06 23:15:56,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6098 states to 6098 states and 8269 transitions. [2019-11-06 23:15:56,470 INFO L78 Accepts]: Start accepts. Automaton has 6098 states and 8269 transitions. Word has length 423 [2019-11-06 23:15:56,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 23:15:56,475 INFO L462 AbstractCegarLoop]: Abstraction has 6098 states and 8269 transitions. [2019-11-06 23:15:56,476 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-06 23:15:56,476 INFO L276 IsEmpty]: Start isEmpty. Operand 6098 states and 8269 transitions. [2019-11-06 23:15:56,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 425 [2019-11-06 23:15:56,491 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 23:15:56,492 INFO L410 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, 1, 1] [2019-11-06 23:15:56,713 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-06 23:15:56,714 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 23:15:56,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 23:15:56,715 INFO L82 PathProgramCache]: Analyzing trace with hash -114019436, now seen corresponding path program 1 times [2019-11-06 23:15:56,715 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-06 23:15:56,715 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1380493658] [2019-11-06 23:15:56,715 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 23:15:56,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 23:15:57,114 INFO L134 CoverageAnalysis]: Checked inductivity of 1918 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 1906 trivial. 0 not checked. [2019-11-06 23:15:57,114 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1380493658] [2019-11-06 23:15:57,114 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [459241238] [2019-11-06 23:15:57,115 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-06 23:15:59,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 23:15:59,315 INFO L256 TraceCheckSpWp]: Trace formula consists of 4111 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-06 23:15:59,327 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-06 23:15:59,609 INFO L134 CoverageAnalysis]: Checked inductivity of 1918 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1918 trivial. 0 not checked. [2019-11-06 23:15:59,610 INFO L321 TraceCheckSpWp]: Computing backward predicates...