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-f4eb214f-m [2019-10-13 20:21:24,000 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 20:21:24,003 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 20:21:24,020 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 20:21:24,020 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 20:21:24,022 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 20:21:24,024 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 20:21:24,033 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 20:21:24,035 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 20:21:24,037 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 20:21:24,038 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 20:21:24,040 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 20:21:24,040 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 20:21:24,043 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 20:21:24,045 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 20:21:24,047 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 20:21:24,048 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 20:21:24,049 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 20:21:24,051 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 20:21:24,055 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 20:21:24,059 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 20:21:24,061 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 20:21:24,064 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 20:21:24,064 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 20:21:24,066 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 20:21:24,066 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 20:21:24,066 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 20:21:24,068 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 20:21:24,069 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 20:21:24,070 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 20:21:24,070 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 20:21:24,071 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 20:21:24,072 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 20:21:24,073 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 20:21:24,074 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 20:21:24,074 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 20:21:24,075 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 20:21:24,075 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 20:21:24,075 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 20:21:24,076 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 20:21:24,077 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 20:21:24,078 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-13 20:21:24,109 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 20:21:24,110 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 20:21:24,112 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 20:21:24,112 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 20:21:24,113 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 20:21:24,113 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 20:21:24,113 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 20:21:24,115 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 20:21:24,115 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 20:21:24,116 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 20:21:24,116 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 20:21:24,116 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 20:21:24,117 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 20:21:24,117 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 20:21:24,117 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 20:21:24,117 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 20:21:24,118 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 20:21:24,118 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 20:21:24,118 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 20:21:24,118 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 20:21:24,119 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 20:21:24,119 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 20:21:24,119 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 20:21:24,119 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 20:21:24,119 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 20:21:24,120 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 20:21:24,120 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 20:21:24,120 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 20:21:24,120 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 [2019-10-13 20:21:24,381 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 20:21:24,394 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 20:21:24,398 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 20:21:24,399 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 20:21:24,400 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 20:21:24,400 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--vfio--pci--vfio-pci.ko-main.cil.out.i [2019-10-13 20:21:24,469 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/04558d9d4/7d9589301edb4ed19bdecbfcd5130e26/FLAG1107aee42 [2019-10-13 20:21:25,256 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 20:21:25,257 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--vfio--pci--vfio-pci.ko-main.cil.out.i [2019-10-13 20:21:25,303 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/04558d9d4/7d9589301edb4ed19bdecbfcd5130e26/FLAG1107aee42 [2019-10-13 20:21:25,346 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/04558d9d4/7d9589301edb4ed19bdecbfcd5130e26 [2019-10-13 20:21:25,355 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 20:21:25,357 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 20:21:25,358 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 20:21:25,358 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 20:21:25,361 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 20:21:25,362 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:21:25" (1/1) ... [2019-10-13 20:21:25,364 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17060f39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:21:25, skipping insertion in model container [2019-10-13 20:21:25,364 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:21:25" (1/1) ... [2019-10-13 20:21:25,372 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 20:21:25,508 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 20:21:27,511 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 20:21:27,547 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 20:21:27,903 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 20:21:28,350 INFO L192 MainTranslator]: Completed translation [2019-10-13 20:21:28,351 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:21:28 WrapperNode [2019-10-13 20:21:28,351 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 20:21:28,353 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 20:21:28,353 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 20:21:28,353 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 20:21:28,367 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:21:28" (1/1) ... [2019-10-13 20:21:28,368 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:21:28" (1/1) ... [2019-10-13 20:21:28,482 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:21:28" (1/1) ... [2019-10-13 20:21:28,483 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:21:28" (1/1) ... [2019-10-13 20:21:28,664 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:21:28" (1/1) ... [2019-10-13 20:21:28,691 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:21:28" (1/1) ... [2019-10-13 20:21:28,719 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:21:28" (1/1) ... [2019-10-13 20:21:28,745 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 20:21:28,745 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 20:21:28,745 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 20:21:28,745 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 20:21:28,747 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:21:28" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 20:21:28,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 20:21:28,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 20:21:28,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-10-13 20:21:28,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2019-10-13 20:21:28,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~X~int~X~~uint32_t~0~X~$Pointer$~TO~int [2019-10-13 20:21:28,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~X~$Pointer$~X~int~X~~__le32~0~TO~int [2019-10-13 20:21:28,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~X~$Pointer$~X~int~X~$Pointer$~TO~int [2019-10-13 20:21:28,814 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2019-10-13 20:21:28,814 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2019-10-13 20:21:28,814 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2019-10-13 20:21:28,814 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2019-10-13 20:21:28,815 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2019-10-13 20:21:28,815 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-10-13 20:21:28,815 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2019-10-13 20:21:28,815 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2019-10-13 20:21:28,815 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2019-10-13 20:21:28,815 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2019-10-13 20:21:28,816 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_byte [2019-10-13 20:21:28,816 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2019-10-13 20:21:28,816 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2019-10-13 20:21:28,816 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_word [2019-10-13 20:21:28,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-13 20:21:28,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-13 20:21:28,817 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-10-13 20:21:28,817 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-13 20:21:28,817 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-10-13 20:21:28,817 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_enable [2019-10-13 20:21:28,818 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_disable [2019-10-13 20:21:28,818 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_release [2019-10-13 20:21:28,818 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_open [2019-10-13 20:21:28,818 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_get_irq_count [2019-10-13 20:21:28,818 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_ioctl [2019-10-13 20:21:28,818 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_read [2019-10-13 20:21:28,818 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_write [2019-10-13 20:21:28,818 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_mmap [2019-10-13 20:21:28,819 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_probe [2019-10-13 20:21:28,819 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_remove [2019-10-13 20:21:28,819 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_cleanup [2019-10-13 20:21:28,819 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_init [2019-10-13 20:21:28,819 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 20:21:28,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_1 [2019-10-13 20:21:28,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_2 [2019-10-13 20:21:28,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_3 [2019-10-13 20:21:28,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_4 [2019-10-13 20:21:28,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_5 [2019-10-13 20:21:28,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_6 [2019-10-13 20:21:28,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_7 [2019-10-13 20:21:28,820 INFO L138 BoogieDeclarations]: Found implementation of procedure fls [2019-10-13 20:21:28,820 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-10-13 20:21:28,821 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2019-10-13 20:21:28,821 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2019-10-13 20:21:28,821 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-10-13 20:21:28,821 INFO L138 BoogieDeclarations]: Found implementation of procedure init_waitqueue_func_entry [2019-10-13 20:21:28,821 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2019-10-13 20:21:28,821 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2019-10-13 20:21:28,822 INFO L138 BoogieDeclarations]: Found implementation of procedure init_poll_funcptr [2019-10-13 20:21:28,822 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_virqfd_init [2019-10-13 20:21:28,822 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_virqfd_exit [2019-10-13 20:21:28,822 INFO L138 BoogieDeclarations]: Found implementation of procedure virqfd_deactivate [2019-10-13 20:21:28,822 INFO L138 BoogieDeclarations]: Found implementation of procedure virqfd_wakeup [2019-10-13 20:21:28,822 INFO L138 BoogieDeclarations]: Found implementation of procedure virqfd_ptable_queue_proc [2019-10-13 20:21:28,822 INFO L138 BoogieDeclarations]: Found implementation of procedure virqfd_shutdown [2019-10-13 20:21:28,823 INFO L138 BoogieDeclarations]: Found implementation of procedure virqfd_inject [2019-10-13 20:21:28,823 INFO L138 BoogieDeclarations]: Found implementation of procedure virqfd_enable [2019-10-13 20:21:28,823 INFO L138 BoogieDeclarations]: Found implementation of procedure virqfd_disable [2019-10-13 20:21:28,823 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_send_intx_eventfd [2019-10-13 20:21:28,823 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_intx_mask [2019-10-13 20:21:28,823 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_intx_unmask_handler [2019-10-13 20:21:28,824 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_intx_unmask [2019-10-13 20:21:28,824 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_intx_handler [2019-10-13 20:21:28,824 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_intx_enable [2019-10-13 20:21:28,824 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_intx_set_signal [2019-10-13 20:21:28,824 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_intx_disable [2019-10-13 20:21:28,824 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_msihandler [2019-10-13 20:21:28,825 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_msi_enable [2019-10-13 20:21:28,825 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_msi_set_vector_signal [2019-10-13 20:21:28,825 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_msi_set_block [2019-10-13 20:21:28,825 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_msi_disable [2019-10-13 20:21:28,825 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_set_intx_unmask [2019-10-13 20:21:28,825 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_set_intx_mask [2019-10-13 20:21:28,825 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_set_intx_trigger [2019-10-13 20:21:28,826 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_set_msi_trigger [2019-10-13 20:21:28,826 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_set_irqs_ioctl [2019-10-13 20:21:28,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_15 [2019-10-13 20:21:28,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_16 [2019-10-13 20:21:28,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_17 [2019-10-13 20:21:28,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_18 [2019-10-13 20:21:28,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_19 [2019-10-13 20:21:28,829 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_io_readwrite [2019-10-13 20:21:28,829 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_mem_readwrite [2019-10-13 20:21:28,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_25 [2019-10-13 20:21:28,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_26 [2019-10-13 20:21:28,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_27 [2019-10-13 20:21:28,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_28 [2019-10-13 20:21:28,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_29 [2019-10-13 20:21:28,830 INFO L138 BoogieDeclarations]: Found implementation of procedure pcibios_err_to_errno [2019-10-13 20:21:28,830 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_user_config_read [2019-10-13 20:21:28,830 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_user_config_write [2019-10-13 20:21:28,830 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_default_config_read [2019-10-13 20:21:28,830 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_default_config_write [2019-10-13 20:21:28,831 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_direct_config_read [2019-10-13 20:21:28,831 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_direct_config_write [2019-10-13 20:21:28,831 INFO L138 BoogieDeclarations]: Found implementation of procedure free_perm_bits [2019-10-13 20:21:28,831 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_perm_bits [2019-10-13 20:21:28,831 INFO L138 BoogieDeclarations]: Found implementation of procedure p_setb [2019-10-13 20:21:28,831 INFO L138 BoogieDeclarations]: Found implementation of procedure p_setw [2019-10-13 20:21:28,831 INFO L138 BoogieDeclarations]: Found implementation of procedure p_setd [2019-10-13 20:21:28,832 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_bar_restore [2019-10-13 20:21:28,832 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_generate_bar_flags [2019-10-13 20:21:28,832 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_bar_fixup [2019-10-13 20:21:28,832 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_basic_config_read [2019-10-13 20:21:28,832 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_basic_config_write [2019-10-13 20:21:28,832 INFO L138 BoogieDeclarations]: Found implementation of procedure init_pci_cap_basic_perm [2019-10-13 20:21:28,832 INFO L138 BoogieDeclarations]: Found implementation of procedure init_pci_cap_pm_perm [2019-10-13 20:21:28,833 INFO L138 BoogieDeclarations]: Found implementation of procedure init_pci_cap_pcix_perm [2019-10-13 20:21:28,833 INFO L138 BoogieDeclarations]: Found implementation of procedure init_pci_cap_exp_perm [2019-10-13 20:21:28,833 INFO L138 BoogieDeclarations]: Found implementation of procedure init_pci_cap_af_perm [2019-10-13 20:21:28,833 INFO L138 BoogieDeclarations]: Found implementation of procedure init_pci_ext_cap_err_perm [2019-10-13 20:21:28,833 INFO L138 BoogieDeclarations]: Found implementation of procedure init_pci_ext_cap_pwr_perm [2019-10-13 20:21:28,834 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_uninit_perm_bits [2019-10-13 20:21:28,834 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_init_perm_bits [2019-10-13 20:21:28,834 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_find_cap_start [2019-10-13 20:21:28,834 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_msi_config_read [2019-10-13 20:21:28,834 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_msi_config_write [2019-10-13 20:21:28,835 INFO L138 BoogieDeclarations]: Found implementation of procedure init_pci_cap_msi_perm [2019-10-13 20:21:28,835 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_msi_cap_len [2019-10-13 20:21:28,835 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_vc_cap_len [2019-10-13 20:21:28,836 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_cap_len [2019-10-13 20:21:28,836 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_ext_cap_len [2019-10-13 20:21:28,836 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_fill_vconfig_bytes [2019-10-13 20:21:28,836 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_cap_init [2019-10-13 20:21:28,837 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_ecap_init [2019-10-13 20:21:28,837 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_config_init [2019-10-13 20:21:28,837 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_config_free [2019-10-13 20:21:28,837 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_config_do_rw [2019-10-13 20:21:28,837 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_config_readwrite [2019-10-13 20:21:28,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_35 [2019-10-13 20:21:28,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_36 [2019-10-13 20:21:28,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_37 [2019-10-13 20:21:28,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_38 [2019-10-13 20:21:28,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_39 [2019-10-13 20:21:28,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-13 20:21:28,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-13 20:21:28,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-10-13 20:21:28,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_igate_of_vfio_pci_device [2019-10-13 20:21:28,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_igate_of_vfio_pci_device [2019-10-13 20:21:28,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_igate_of_vfio_pci_device [2019-10-13 20:21:28,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_igate_of_vfio_pci_device [2019-10-13 20:21:28,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_igate_of_vfio_pci_device [2019-10-13 20:21:28,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_igate_of_vfio_pci_device [2019-10-13 20:21:28,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_igate_of_vfio_pci_device [2019-10-13 20:21:28,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2019-10-13 20:21:28,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2019-10-13 20:21:28,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2019-10-13 20:21:28,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2019-10-13 20:21:28,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-10-13 20:21:28,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2019-10-13 20:21:28,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2019-10-13 20:21:28,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-10-13 20:21:28,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2019-10-13 20:21:28,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2019-10-13 20:21:28,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2019-10-13 20:21:28,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-10-13 20:21:28,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2019-10-13 20:21:28,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2019-10-13 20:21:28,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-13 20:21:28,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-13 20:21:28,853 INFO L138 BoogieDeclarations]: Found implementation of procedure __alloc_workqueue_key [2019-10-13 20:21:28,853 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2019-10-13 20:21:28,853 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2019-10-13 20:21:28,853 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2019-10-13 20:21:28,853 INFO L138 BoogieDeclarations]: Found implementation of procedure __pci_register_driver [2019-10-13 20:21:28,853 INFO L138 BoogieDeclarations]: Found implementation of procedure __pci_reset_function [2019-10-13 20:21:28,853 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-10-13 20:21:28,854 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2019-10-13 20:21:28,854 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2019-10-13 20:21:28,854 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irq [2019-10-13 20:21:28,854 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2019-10-13 20:21:28,854 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irq [2019-10-13 20:21:28,854 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-10-13 20:21:28,855 INFO L138 BoogieDeclarations]: Found implementation of procedure add_wait_queue [2019-10-13 20:21:28,855 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2019-10-13 20:21:28,855 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_irq_nosync [2019-10-13 20:21:28,855 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_irq [2019-10-13 20:21:28,855 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_ctx_fdget [2019-10-13 20:21:28,855 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_ctx_fileget [2019-10-13 20:21:28,855 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_ctx_put [2019-10-13 20:21:28,856 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_ctx_remove_wait_queue [2019-10-13 20:21:28,856 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_fget [2019-10-13 20:21:28,856 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_signal [2019-10-13 20:21:28,856 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_work [2019-10-13 20:21:28,856 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2019-10-13 20:21:28,856 INFO L138 BoogieDeclarations]: Found implementation of procedure fput [2019-10-13 20:21:28,856 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2019-10-13 20:21:28,856 INFO L138 BoogieDeclarations]: Found implementation of procedure iommu_group_get [2019-10-13 20:21:28,856 INFO L138 BoogieDeclarations]: Found implementation of procedure iommu_group_put [2019-10-13 20:21:28,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2019-10-13 20:21:28,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2019-10-13 20:21:28,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2019-10-13 20:21:28,857 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2019-10-13 20:21:28,857 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2019-10-13 20:21:28,857 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite8 [2019-10-13 20:21:28,857 INFO L138 BoogieDeclarations]: Found implementation of procedure kasprintf [2019-10-13 20:21:28,857 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2019-10-13 20:21:28,858 INFO L138 BoogieDeclarations]: Found implementation of procedure memdup_user [2019-10-13 20:21:28,858 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2019-10-13 20:21:28,858 INFO L138 BoogieDeclarations]: Found implementation of procedure module_put [2019-10-13 20:21:28,858 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2019-10-13 20:21:28,858 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2019-10-13 20:21:28,858 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-10-13 20:21:28,859 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_read_config_byte [2019-10-13 20:21:28,860 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_read_config_dword [2019-10-13 20:21:28,860 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_read_config_word [2019-10-13 20:21:28,860 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_write_config_word [2019-10-13 20:21:28,860 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_check_and_mask_intx [2019-10-13 20:21:28,860 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_check_and_unmask_intx [2019-10-13 20:21:28,861 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2019-10-13 20:21:28,861 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2019-10-13 20:21:28,861 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msix [2019-10-13 20:21:28,861 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2019-10-13 20:21:28,861 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_msi_block [2019-10-13 20:21:28,861 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_msix [2019-10-13 20:21:28,861 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_find_capability [2019-10-13 20:21:28,861 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_intx [2019-10-13 20:21:28,862 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_intx_mask_supported [2019-10-13 20:21:28,862 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2019-10-13 20:21:28,862 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2019-10-13 20:21:28,862 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_load_and_free_saved_state [2019-10-13 20:21:28,862 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_rom [2019-10-13 20:21:28,862 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_selected_regions [2019-10-13 20:21:28,862 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_request_selected_regions [2019-10-13 20:21:28,862 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_reset_function [2019-10-13 20:21:28,862 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2019-10-13 20:21:28,863 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2019-10-13 20:21:28,863 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_store_saved_state [2019-10-13 20:21:28,863 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_rom [2019-10-13 20:21:28,863 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2019-10-13 20:21:28,863 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_user_read_config_byte [2019-10-13 20:21:28,863 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_user_read_config_dword [2019-10-13 20:21:28,863 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_user_read_config_word [2019-10-13 20:21:28,863 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_user_write_config_byte [2019-10-13 20:21:28,863 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_user_write_config_dword [2019-10-13 20:21:28,864 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_user_write_config_word [2019-10-13 20:21:28,864 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-13 20:21:28,864 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2019-10-13 20:21:28,864 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_pfn_range [2019-10-13 20:21:28,864 INFO L138 BoogieDeclarations]: Found implementation of procedure request_threaded_irq [2019-10-13 20:21:28,864 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2019-10-13 20:21:28,864 INFO L138 BoogieDeclarations]: Found implementation of procedure try_module_get [2019-10-13 20:21:28,864 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_add_group_dev [2019-10-13 20:21:28,865 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_del_group_dev [2019-10-13 20:21:28,865 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_fmt [2019-10-13 20:21:28,865 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2019-10-13 20:21:28,865 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-13 20:21:28,865 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-13 20:21:28,865 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-13 20:21:28,865 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-10-13 20:21:28,866 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 20:21:28,866 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-13 20:21:28,866 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-13 20:21:28,866 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2019-10-13 20:21:28,866 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2019-10-13 20:21:28,866 INFO L130 BoogieDeclarations]: Found specification of procedure memdup_user [2019-10-13 20:21:28,867 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_fmt [2019-10-13 20:21:28,871 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2019-10-13 20:21:28,871 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2019-10-13 20:21:28,871 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2019-10-13 20:21:28,871 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2019-10-13 20:21:28,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 20:21:28,872 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2019-10-13 20:21:28,872 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2019-10-13 20:21:28,872 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2019-10-13 20:21:28,873 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2019-10-13 20:21:28,874 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_4 [2019-10-13 20:21:28,874 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-10-13 20:21:28,874 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_2 [2019-10-13 20:21:28,874 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_5 [2019-10-13 20:21:28,874 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_7 [2019-10-13 20:21:28,875 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2019-10-13 20:21:28,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_1 [2019-10-13 20:21:28,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_3 [2019-10-13 20:21:28,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_6 [2019-10-13 20:21:28,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_igate_of_vfio_pci_device [2019-10-13 20:21:28,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_igate_of_vfio_pci_device [2019-10-13 20:21:28,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2019-10-13 20:21:28,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2019-10-13 20:21:28,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2019-10-13 20:21:28,876 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2019-10-13 20:21:28,876 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2019-10-13 20:21:28,876 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 20:21:28,876 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-10-13 20:21:28,876 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-10-13 20:21:28,876 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2019-10-13 20:21:28,876 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 20:21:28,876 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2019-10-13 20:21:28,877 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2019-10-13 20:21:28,877 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2019-10-13 20:21:28,877 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2019-10-13 20:21:28,877 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2019-10-13 20:21:28,877 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2019-10-13 20:21:28,877 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 20:21:28,877 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2019-10-13 20:21:28,877 INFO L130 BoogieDeclarations]: Found specification of procedure iommu_group_get [2019-10-13 20:21:28,877 INFO L130 BoogieDeclarations]: Found specification of procedure iommu_group_put [2019-10-13 20:21:28,878 INFO L130 BoogieDeclarations]: Found specification of procedure try_module_get [2019-10-13 20:21:28,878 INFO L130 BoogieDeclarations]: Found specification of procedure module_put [2019-10-13 20:21:28,878 INFO L130 BoogieDeclarations]: Found specification of procedure pci_find_capability [2019-10-13 20:21:28,878 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_read_config_byte [2019-10-13 20:21:28,878 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_read_config_word [2019-10-13 20:21:28,878 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_read_config_dword [2019-10-13 20:21:28,878 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_write_config_word [2019-10-13 20:21:28,878 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_byte [2019-10-13 20:21:28,879 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 20:21:28,879 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2019-10-13 20:21:28,879 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2019-10-13 20:21:28,879 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_word [2019-10-13 20:21:28,879 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2019-10-13 20:21:28,879 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2019-10-13 20:21:28,879 INFO L130 BoogieDeclarations]: Found specification of procedure pci_intx_mask_supported [2019-10-13 20:21:28,879 INFO L130 BoogieDeclarations]: Found specification of procedure __pci_reset_function [2019-10-13 20:21:28,879 INFO L130 BoogieDeclarations]: Found specification of procedure pci_reset_function [2019-10-13 20:21:28,880 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_rom [2019-10-13 20:21:28,880 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_rom [2019-10-13 20:21:28,880 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2019-10-13 20:21:28,880 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2019-10-13 20:21:28,880 INFO L130 BoogieDeclarations]: Found specification of procedure pci_store_saved_state [2019-10-13 20:21:28,880 INFO L130 BoogieDeclarations]: Found specification of procedure pci_load_and_free_saved_state [2019-10-13 20:21:28,880 INFO L130 BoogieDeclarations]: Found specification of procedure pci_request_selected_regions [2019-10-13 20:21:28,880 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_selected_regions [2019-10-13 20:21:28,880 INFO L130 BoogieDeclarations]: Found specification of procedure __pci_register_driver [2019-10-13 20:21:28,880 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2019-10-13 20:21:28,881 INFO L130 BoogieDeclarations]: Found specification of procedure remap_pfn_range [2019-10-13 20:21:28,881 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-13 20:21:28,881 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-13 20:21:28,881 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 20:21:28,882 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-13 20:21:28,882 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-13 20:21:28,882 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 20:21:28,882 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-10-13 20:21:28,883 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-13 20:21:28,883 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-10-13 20:21:28,883 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_add_group_dev [2019-10-13 20:21:28,883 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_del_group_dev [2019-10-13 20:21:28,883 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_set_irqs_ioctl [2019-10-13 20:21:28,883 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_config_readwrite [2019-10-13 20:21:28,883 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_mem_readwrite [2019-10-13 20:21:28,883 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_io_readwrite [2019-10-13 20:21:28,884 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_init_perm_bits [2019-10-13 20:21:28,884 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_uninit_perm_bits [2019-10-13 20:21:28,884 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_virqfd_init [2019-10-13 20:21:28,884 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_virqfd_exit [2019-10-13 20:21:28,884 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_config_init [2019-10-13 20:21:28,884 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_config_free [2019-10-13 20:21:28,884 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_enable [2019-10-13 20:21:28,885 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 20:21:28,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 20:21:28,885 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_disable [2019-10-13 20:21:28,885 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_release [2019-10-13 20:21:28,885 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_open [2019-10-13 20:21:28,885 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_get_irq_count [2019-10-13 20:21:28,885 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_ioctl [2019-10-13 20:21:28,885 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_read [2019-10-13 20:21:28,885 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_write [2019-10-13 20:21:28,885 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_mmap [2019-10-13 20:21:28,886 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_probe [2019-10-13 20:21:28,886 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_remove [2019-10-13 20:21:28,886 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_cleanup [2019-10-13 20:21:28,886 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_init [2019-10-13 20:21:28,886 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-13 20:21:28,886 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-13 20:21:28,886 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 20:21:28,886 INFO L130 BoogieDeclarations]: Found specification of procedure fls [2019-10-13 20:21:28,886 INFO L130 BoogieDeclarations]: Found specification of procedure kasprintf [2019-10-13 20:21:28,886 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-10-13 20:21:28,887 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2019-10-13 20:21:28,887 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_18 [2019-10-13 20:21:28,887 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_16 [2019-10-13 20:21:28,887 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_19 [2019-10-13 20:21:28,887 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_15 [2019-10-13 20:21:28,887 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_17 [2019-10-13 20:21:28,887 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irq [2019-10-13 20:21:28,887 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2019-10-13 20:21:28,887 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irq [2019-10-13 20:21:28,888 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-10-13 20:21:28,888 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2019-10-13 20:21:28,888 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2019-10-13 20:21:28,888 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-10-13 20:21:28,888 INFO L130 BoogieDeclarations]: Found specification of procedure init_waitqueue_func_entry [2019-10-13 20:21:28,888 INFO L130 BoogieDeclarations]: Found specification of procedure add_wait_queue [2019-10-13 20:21:28,889 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2019-10-13 20:21:28,889 INFO L130 BoogieDeclarations]: Found specification of procedure __alloc_workqueue_key [2019-10-13 20:21:28,889 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2019-10-13 20:21:28,889 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2019-10-13 20:21:28,889 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2019-10-13 20:21:28,889 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2019-10-13 20:21:28,889 INFO L130 BoogieDeclarations]: Found specification of procedure flush_work [2019-10-13 20:21:28,891 INFO L130 BoogieDeclarations]: Found specification of procedure request_threaded_irq [2019-10-13 20:21:28,891 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2019-10-13 20:21:28,891 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2019-10-13 20:21:28,891 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq_nosync [2019-10-13 20:21:28,891 INFO L130 BoogieDeclarations]: Found specification of procedure enable_irq [2019-10-13 20:21:28,892 INFO L130 BoogieDeclarations]: Found specification of procedure fput [2019-10-13 20:21:28,892 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_ctx_put [2019-10-13 20:21:28,892 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_fget [2019-10-13 20:21:28,892 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_ctx_fdget [2019-10-13 20:21:28,892 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_ctx_fileget [2019-10-13 20:21:28,892 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_signal [2019-10-13 20:21:28,892 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_ctx_remove_wait_queue [2019-10-13 20:21:28,892 INFO L130 BoogieDeclarations]: Found specification of procedure pci_intx [2019-10-13 20:21:28,893 INFO L130 BoogieDeclarations]: Found specification of procedure pci_check_and_mask_intx [2019-10-13 20:21:28,893 INFO L130 BoogieDeclarations]: Found specification of procedure pci_check_and_unmask_intx [2019-10-13 20:21:28,893 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_msi_block [2019-10-13 20:21:28,893 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2019-10-13 20:21:28,893 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_msix [2019-10-13 20:21:28,893 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msix [2019-10-13 20:21:28,893 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2019-10-13 20:21:28,893 INFO L130 BoogieDeclarations]: Found specification of procedure init_poll_funcptr [2019-10-13 20:21:28,894 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_intx_mask [2019-10-13 20:21:28,894 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_intx_unmask [2019-10-13 20:21:28,894 INFO L130 BoogieDeclarations]: Found specification of procedure virqfd_deactivate [2019-10-13 20:21:28,894 INFO L130 BoogieDeclarations]: Found specification of procedure virqfd_wakeup [2019-10-13 20:21:28,894 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-10-13 20:21:28,894 INFO L130 BoogieDeclarations]: Found specification of procedure virqfd_ptable_queue_proc [2019-10-13 20:21:28,894 INFO L130 BoogieDeclarations]: Found specification of procedure virqfd_shutdown [2019-10-13 20:21:28,894 INFO L130 BoogieDeclarations]: Found specification of procedure virqfd_inject [2019-10-13 20:21:28,895 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2019-10-13 20:21:28,895 INFO L130 BoogieDeclarations]: Found specification of procedure virqfd_enable [2019-10-13 20:21:28,895 INFO L130 BoogieDeclarations]: Found specification of procedure virqfd_disable [2019-10-13 20:21:28,895 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_send_intx_eventfd [2019-10-13 20:21:28,895 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_intx_unmask_handler [2019-10-13 20:21:28,895 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_intx_handler [2019-10-13 20:21:28,895 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_intx_enable [2019-10-13 20:21:28,895 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_intx_set_signal [2019-10-13 20:21:28,895 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_intx_disable [2019-10-13 20:21:28,896 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_msihandler [2019-10-13 20:21:28,896 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_msi_enable [2019-10-13 20:21:28,896 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_msi_set_vector_signal [2019-10-13 20:21:28,896 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_msi_set_block [2019-10-13 20:21:28,896 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_msi_disable [2019-10-13 20:21:28,896 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_set_intx_unmask [2019-10-13 20:21:28,896 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_set_intx_mask [2019-10-13 20:21:28,896 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_set_intx_trigger [2019-10-13 20:21:28,897 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_set_msi_trigger [2019-10-13 20:21:28,897 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~X~int~X~~uint32_t~0~X~$Pointer$~TO~int [2019-10-13 20:21:28,897 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_28 [2019-10-13 20:21:28,897 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_26 [2019-10-13 20:21:28,897 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_29 [2019-10-13 20:21:28,897 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_25 [2019-10-13 20:21:28,897 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_27 [2019-10-13 20:21:28,897 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2019-10-13 20:21:28,898 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2019-10-13 20:21:28,898 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2019-10-13 20:21:28,898 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8 [2019-10-13 20:21:28,898 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2019-10-13 20:21:28,898 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2019-10-13 20:21:28,898 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-13 20:21:28,898 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-13 20:21:28,898 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2019-10-13 20:21:28,899 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_38 [2019-10-13 20:21:28,899 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_36 [2019-10-13 20:21:28,899 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_39 [2019-10-13 20:21:28,899 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_35 [2019-10-13 20:21:28,899 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_37 [2019-10-13 20:21:28,899 INFO L130 BoogieDeclarations]: Found specification of procedure pcibios_err_to_errno [2019-10-13 20:21:28,899 INFO L130 BoogieDeclarations]: Found specification of procedure pci_user_read_config_byte [2019-10-13 20:21:28,900 INFO L130 BoogieDeclarations]: Found specification of procedure pci_user_read_config_word [2019-10-13 20:21:28,900 INFO L130 BoogieDeclarations]: Found specification of procedure pci_user_read_config_dword [2019-10-13 20:21:28,900 INFO L130 BoogieDeclarations]: Found specification of procedure pci_user_write_config_byte [2019-10-13 20:21:28,900 INFO L130 BoogieDeclarations]: Found specification of procedure pci_user_write_config_word [2019-10-13 20:21:28,900 INFO L130 BoogieDeclarations]: Found specification of procedure pci_user_write_config_dword [2019-10-13 20:21:28,900 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_user_config_read [2019-10-13 20:21:28,900 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_user_config_write [2019-10-13 20:21:28,900 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_default_config_read [2019-10-13 20:21:28,901 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-10-13 20:21:28,901 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_default_config_write [2019-10-13 20:21:28,901 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_direct_config_read [2019-10-13 20:21:28,901 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_direct_config_write [2019-10-13 20:21:28,901 INFO L130 BoogieDeclarations]: Found specification of procedure free_perm_bits [2019-10-13 20:21:28,901 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_perm_bits [2019-10-13 20:21:28,901 INFO L130 BoogieDeclarations]: Found specification of procedure p_setb [2019-10-13 20:21:28,901 INFO L130 BoogieDeclarations]: Found specification of procedure p_setw [2019-10-13 20:21:28,902 INFO L130 BoogieDeclarations]: Found specification of procedure p_setd [2019-10-13 20:21:28,902 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_bar_restore [2019-10-13 20:21:28,902 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_generate_bar_flags [2019-10-13 20:21:28,902 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_bar_fixup [2019-10-13 20:21:28,902 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_basic_config_read [2019-10-13 20:21:28,902 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_basic_config_write [2019-10-13 20:21:28,902 INFO L130 BoogieDeclarations]: Found specification of procedure init_pci_cap_basic_perm [2019-10-13 20:21:28,902 INFO L130 BoogieDeclarations]: Found specification of procedure init_pci_cap_pm_perm [2019-10-13 20:21:28,902 INFO L130 BoogieDeclarations]: Found specification of procedure init_pci_cap_pcix_perm [2019-10-13 20:21:28,903 INFO L130 BoogieDeclarations]: Found specification of procedure init_pci_cap_exp_perm [2019-10-13 20:21:28,903 INFO L130 BoogieDeclarations]: Found specification of procedure init_pci_cap_af_perm [2019-10-13 20:21:28,903 INFO L130 BoogieDeclarations]: Found specification of procedure init_pci_ext_cap_err_perm [2019-10-13 20:21:28,903 INFO L130 BoogieDeclarations]: Found specification of procedure init_pci_ext_cap_pwr_perm [2019-10-13 20:21:28,903 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_find_cap_start [2019-10-13 20:21:28,903 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_msi_config_read [2019-10-13 20:21:28,903 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_msi_config_write [2019-10-13 20:21:28,903 INFO L130 BoogieDeclarations]: Found specification of procedure init_pci_cap_msi_perm [2019-10-13 20:21:28,903 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_msi_cap_len [2019-10-13 20:21:28,904 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_vc_cap_len [2019-10-13 20:21:28,904 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_cap_len [2019-10-13 20:21:28,904 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_ext_cap_len [2019-10-13 20:21:28,904 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_fill_vconfig_bytes [2019-10-13 20:21:28,904 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_cap_init [2019-10-13 20:21:28,904 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-13 20:21:28,904 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_ecap_init [2019-10-13 20:21:28,904 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_config_do_rw [2019-10-13 20:21:28,904 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~X~$Pointer$~X~int~X~~__le32~0~TO~int [2019-10-13 20:21:28,905 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~X~$Pointer$~X~int~X~$Pointer$~TO~int [2019-10-13 20:21:28,905 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-13 20:21:28,905 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-10-13 20:21:28,905 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_igate_of_vfio_pci_device [2019-10-13 20:21:28,905 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_igate_of_vfio_pci_device [2019-10-13 20:21:28,905 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_igate_of_vfio_pci_device [2019-10-13 20:21:28,905 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_igate_of_vfio_pci_device [2019-10-13 20:21:28,905 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_igate_of_vfio_pci_device [2019-10-13 20:21:28,906 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2019-10-13 20:21:28,906 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2019-10-13 20:21:28,906 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2019-10-13 20:21:28,906 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-10-13 20:21:28,906 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2019-10-13 20:21:28,906 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-10-13 20:21:28,906 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2019-10-13 20:21:28,906 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-10-13 20:21:28,906 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2019-10-13 20:21:28,907 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-13 20:21:28,907 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-13 20:21:28,907 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-10-13 20:21:28,907 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-10-13 20:21:28,907 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-13 20:21:28,907 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 20:21:28,907 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 20:21:28,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-13 20:21:28,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 20:21:28,911 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 20:21:28,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-13 20:21:28,911 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-13 20:21:28,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-13 20:21:28,912 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-13 20:21:30,362 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-13 20:21:30,626 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint L2749: assume #t~short211;call #t~mem210 := read~int(~#info___0~0.base, 16 + ~#info___0~0.offset, 8);#t~short211 := #t~mem210 % 18446744073709551616 > 4095; [2019-10-13 20:21:30,627 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint L2749: assume !#t~short211; [2019-10-13 20:21:30,627 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint L2749-2: assume #t~short211;havoc #t~short211;havoc #t~mem208;havoc #t~mem210;havoc #t~mem209;call #t~mem212 := read~int(~#info___0~0.base, 4 + ~#info___0~0.offset, 4);call write~int(~bitwiseOr(#t~mem212, 4), ~#info___0~0.base, 4 + ~#info___0~0.offset, 4);havoc #t~mem212; [2019-10-13 20:21:30,627 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint L2749-2: assume !#t~short211;havoc #t~short211;havoc #t~mem208;havoc #t~mem210;havoc #t~mem209; [2019-10-13 20:21:30,627 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint L2738: assume #t~short202;havoc #t~mem199;havoc #t~short202;havoc #t~mem197;havoc #t~mem196;havoc #t~mem201;havoc #t~mem198;havoc #t~mem200;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; [2019-10-13 20:21:30,627 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint L2738: assume !#t~short202;havoc #t~mem199;havoc #t~short202;havoc #t~mem197;havoc #t~mem196;havoc #t~mem201;havoc #t~mem198;havoc #t~mem200;call write~int(0, ~#info___0~0.base, 16 + ~#info___0~0.offset, 8); [2019-10-13 20:21:30,628 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume #t~short202; [2019-10-13 20:21:30,628 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint L2738-2: call #t~mem207 := read~int(~#info___0~0.base, 16 + ~#info___0~0.offset, 8); [2019-10-13 20:21:30,628 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume !#t~short202;call #t~mem198 := read~int(~#info___0~0.base, 8 + ~#info___0~0.offset, 4);call #t~mem200 := read~int(~pdev~2.base, 8 + (790 + ~pdev~2.offset + 36 * (if #t~mem198 % 4294967296 % 4294967296 <= 2147483647 then #t~mem198 % 4294967296 % 4294967296 else #t~mem198 % 4294967296 % 4294967296 - 4294967296)), 8);call #t~mem199 := read~int(~#info___0~0.base, 8 + ~#info___0~0.offset, 4);call #t~mem201 := read~int(~pdev~2.base, 790 + ~pdev~2.offset + 36 * (if #t~mem199 % 4294967296 % 4294967296 <= 2147483647 then #t~mem199 % 4294967296 % 4294967296 else #t~mem199 % 4294967296 % 4294967296 - 4294967296), 8);#t~short202 := #t~mem200 % 18446744073709551616 != #t~mem201 % 18446744073709551616; [2019-10-13 20:21:30,628 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint L2743: assume 0 == #t~mem207 % 18446744073709551616;havoc #t~mem207;call write~int(0, ~#info___0~0.base, 4 + ~#info___0~0.offset, 4); [2019-10-13 20:21:30,629 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint L2743: assume !(0 == #t~mem207 % 18446744073709551616);havoc #t~mem207;call write~int(3, ~#info___0~0.base, 4 + ~#info___0~0.offset, 4);call #t~mem208 := read~int(~#info___0~0.base, 8 + ~#info___0~0.offset, 4);call #t~mem209 := read~int(~pdev~2.base, 20 + (790 + ~pdev~2.offset + 36 * (if #t~mem208 % 4294967296 % 4294967296 <= 2147483647 then #t~mem208 % 4294967296 % 4294967296 else #t~mem208 % 4294967296 % 4294967296 - 4294967296)), 4);#t~short211 := 0 != ~bitwiseAnd(#t~mem209, 512) % 4294967296; [2019-10-13 20:21:34,720 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 20:21:34,721 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-13 20:21:34,723 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:21:34 BoogieIcfgContainer [2019-10-13 20:21:34,724 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 20:21:34,726 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 20:21:34,726 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 20:21:34,729 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 20:21:34,729 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 08:21:25" (1/3) ... [2019-10-13 20:21:34,730 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@459b62cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:21:34, skipping insertion in model container [2019-10-13 20:21:34,730 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:21:28" (2/3) ... [2019-10-13 20:21:34,730 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@459b62cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:21:34, skipping insertion in model container [2019-10-13 20:21:34,730 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:21:34" (3/3) ... [2019-10-13 20:21:34,732 INFO L109 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--vfio--pci--vfio-pci.ko-main.cil.out.i [2019-10-13 20:21:34,741 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 20:21:34,755 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 20:21:34,766 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 20:21:34,801 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 20:21:34,801 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 20:21:34,801 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 20:21:34,801 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 20:21:34,801 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 20:21:34,801 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 20:21:34,802 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 20:21:34,802 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 20:21:34,858 INFO L276 IsEmpty]: Start isEmpty. Operand 2373 states. [2019-10-13 20:21:34,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-10-13 20:21:34,883 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:21:34,884 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 20:21:34,886 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:21:34,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:21:34,892 INFO L82 PathProgramCache]: Analyzing trace with hash 1362634209, now seen corresponding path program 1 times [2019-10-13 20:21:34,901 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:21:34,902 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [73635783] [2019-10-13 20:21:34,902 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:21:34,902 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:21:34,902 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:21:35,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:21:35,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 20:21:35,539 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [73635783] [2019-10-13 20:21:35,541 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:21:35,541 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 20:21:35,541 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2080288628] [2019-10-13 20:21:35,547 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:21:35,549 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:21:35,566 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:21:35,567 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:21:35,569 INFO L87 Difference]: Start difference. First operand 2373 states. Second operand 3 states. [2019-10-13 20:21:35,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:21:35,984 INFO L93 Difference]: Finished difference Result 4702 states and 6503 transitions. [2019-10-13 20:21:35,985 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:21:35,986 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 61 [2019-10-13 20:21:35,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:21:36,029 INFO L225 Difference]: With dead ends: 4702 [2019-10-13 20:21:36,029 INFO L226 Difference]: Without dead ends: 2505 [2019-10-13 20:21:36,044 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:21:36,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2505 states. [2019-10-13 20:21:36,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2505 to 2495. [2019-10-13 20:21:36,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2495 states. [2019-10-13 20:21:36,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2495 states to 2495 states and 3426 transitions. [2019-10-13 20:21:36,317 INFO L78 Accepts]: Start accepts. Automaton has 2495 states and 3426 transitions. Word has length 61 [2019-10-13 20:21:36,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:21:36,317 INFO L462 AbstractCegarLoop]: Abstraction has 2495 states and 3426 transitions. [2019-10-13 20:21:36,317 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 20:21:36,318 INFO L276 IsEmpty]: Start isEmpty. Operand 2495 states and 3426 transitions. [2019-10-13 20:21:36,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2019-10-13 20:21:36,325 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:21:36,326 INFO L380 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] [2019-10-13 20:21:36,326 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:21:36,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:21:36,327 INFO L82 PathProgramCache]: Analyzing trace with hash -1105932918, now seen corresponding path program 1 times [2019-10-13 20:21:36,327 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:21:36,327 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1124995093] [2019-10-13 20:21:36,327 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:21:36,328 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:21:36,328 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:21:36,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:21:36,690 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2019-10-13 20:21:36,691 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1124995093] [2019-10-13 20:21:36,691 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:21:36,691 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 20:21:36,691 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2127214455] [2019-10-13 20:21:36,694 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:21:36,694 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:21:36,694 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:21:36,694 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:21:36,695 INFO L87 Difference]: Start difference. First operand 2495 states and 3426 transitions. Second operand 3 states. [2019-10-13 20:21:37,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:21:37,084 INFO L93 Difference]: Finished difference Result 7152 states and 9821 transitions. [2019-10-13 20:21:37,085 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:21:37,085 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 137 [2019-10-13 20:21:37,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:21:37,126 INFO L225 Difference]: With dead ends: 7152 [2019-10-13 20:21:37,126 INFO L226 Difference]: Without dead ends: 4668 [2019-10-13 20:21:37,145 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:21:37,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4668 states. [2019-10-13 20:21:37,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4668 to 4664. [2019-10-13 20:21:37,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4664 states. [2019-10-13 20:21:37,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4664 states to 4664 states and 6397 transitions. [2019-10-13 20:21:37,352 INFO L78 Accepts]: Start accepts. Automaton has 4664 states and 6397 transitions. Word has length 137 [2019-10-13 20:21:37,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:21:37,353 INFO L462 AbstractCegarLoop]: Abstraction has 4664 states and 6397 transitions. [2019-10-13 20:21:37,353 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 20:21:37,353 INFO L276 IsEmpty]: Start isEmpty. Operand 4664 states and 6397 transitions. [2019-10-13 20:21:37,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 423 [2019-10-13 20:21:37,358 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:21:37,359 INFO L380 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] [2019-10-13 20:21:37,359 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:21:37,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:21:37,359 INFO L82 PathProgramCache]: Analyzing trace with hash 1532425619, now seen corresponding path program 1 times [2019-10-13 20:21:37,360 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:21:37,360 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [575338573] [2019-10-13 20:21:37,360 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:21:37,360 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:21:37,360 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:21:37,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:21:38,697 INFO L134 CoverageAnalysis]: Checked inductivity of 1918 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 1900 trivial. 0 not checked. [2019-10-13 20:21:38,698 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [575338573] [2019-10-13 20:21:38,698 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1140391862] [2019-10-13 20:21:38,698 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 20:21:39,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:21:39,744 INFO L256 TraceCheckSpWp]: Trace formula consists of 4072 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-13 20:21:39,770 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 20:21:39,939 INFO L134 CoverageAnalysis]: Checked inductivity of 1918 backedges. 498 proven. 0 refuted. 0 times theorem prover too weak. 1420 trivial. 0 not checked. [2019-10-13 20:21:39,939 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 20:21:41,014 INFO L134 CoverageAnalysis]: Checked inductivity of 1918 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 1900 trivial. 0 not checked. [2019-10-13 20:21:41,015 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-13 20:21:41,015 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3, 3] total 3 [2019-10-13 20:21:41,015 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [557696596] [2019-10-13 20:21:41,016 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:21:41,017 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:21:41,017 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:21:41,017 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:21:41,017 INFO L87 Difference]: Start difference. First operand 4664 states and 6397 transitions. Second operand 3 states. [2019-10-13 20:21:41,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:21:41,174 INFO L93 Difference]: Finished difference Result 9320 states and 12837 transitions. [2019-10-13 20:21:41,175 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:21:41,175 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 422 [2019-10-13 20:21:41,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:21:41,204 INFO L225 Difference]: With dead ends: 9320 [2019-10-13 20:21:41,204 INFO L226 Difference]: Without dead ends: 4667 [2019-10-13 20:21:41,223 INFO L600 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 [2019-10-13 20:21:41,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4667 states. [2019-10-13 20:21:41,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4667 to 4667. [2019-10-13 20:21:41,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4667 states. [2019-10-13 20:21:41,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4667 states to 4667 states and 6400 transitions. [2019-10-13 20:21:41,413 INFO L78 Accepts]: Start accepts. Automaton has 4667 states and 6400 transitions. Word has length 422 [2019-10-13 20:21:41,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:21:41,414 INFO L462 AbstractCegarLoop]: Abstraction has 4667 states and 6400 transitions. [2019-10-13 20:21:41,414 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 20:21:41,414 INFO L276 IsEmpty]: Start isEmpty. Operand 4667 states and 6400 transitions. [2019-10-13 20:21:41,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 423 [2019-10-13 20:21:41,422 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:21:41,422 INFO L380 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] [2019-10-13 20:21:41,641 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 20:21:41,641 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:21:41,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:21:41,642 INFO L82 PathProgramCache]: Analyzing trace with hash 317236369, now seen corresponding path program 1 times [2019-10-13 20:21:41,642 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:21:41,642 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [280368563] [2019-10-13 20:21:41,643 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:21:41,643 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:21:41,644 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:21:41,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:21:42,068 INFO L134 CoverageAnalysis]: Checked inductivity of 1918 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 1906 trivial. 0 not checked. [2019-10-13 20:21:42,069 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [280368563] [2019-10-13 20:21:42,069 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [943186595] [2019-10-13 20:21:42,069 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 20:21:43,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:21:43,312 INFO L256 TraceCheckSpWp]: Trace formula consists of 4107 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-13 20:21:43,327 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 20:21:43,632 INFO L134 CoverageAnalysis]: Checked inductivity of 1918 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1918 trivial. 0 not checked. [2019-10-13 20:21:43,633 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 20:21:44,831 INFO L134 CoverageAnalysis]: Checked inductivity of 1918 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1918 trivial. 0 not checked. [2019-10-13 20:21:44,831 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-10-13 20:21:44,832 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [5] total 6 [2019-10-13 20:21:44,832 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2134976721] [2019-10-13 20:21:44,835 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:21:44,835 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:21:44,835 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:21:44,835 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 20:21:44,836 INFO L87 Difference]: Start difference. First operand 4667 states and 6400 transitions. Second operand 3 states. [2019-10-13 20:21:45,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:21:45,855 INFO L93 Difference]: Finished difference Result 6105 states and 8278 transitions. [2019-10-13 20:21:45,856 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:21:45,856 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 422 [2019-10-13 20:21:45,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:21:45,912 INFO L225 Difference]: With dead ends: 6105 [2019-10-13 20:21:45,913 INFO L226 Difference]: Without dead ends: 6101 [2019-10-13 20:21:45,919 INFO L600 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 [2019-10-13 20:21:45,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6101 states. [2019-10-13 20:21:46,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6101 to 6099. [2019-10-13 20:21:46,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6099 states. [2019-10-13 20:21:46,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6099 states to 6099 states and 8271 transitions. [2019-10-13 20:21:46,289 INFO L78 Accepts]: Start accepts. Automaton has 6099 states and 8271 transitions. Word has length 422 [2019-10-13 20:21:46,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:21:46,290 INFO L462 AbstractCegarLoop]: Abstraction has 6099 states and 8271 transitions. [2019-10-13 20:21:46,290 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 20:21:46,290 INFO L276 IsEmpty]: Start isEmpty. Operand 6099 states and 8271 transitions. [2019-10-13 20:21:46,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 424 [2019-10-13 20:21:46,298 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:21:46,298 INFO L380 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] [2019-10-13 20:21:46,509 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 20:21:46,510 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:21:46,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:21:46,510 INFO L82 PathProgramCache]: Analyzing trace with hash 1243283569, now seen corresponding path program 1 times [2019-10-13 20:21:46,511 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:21:46,511 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1866442418] [2019-10-13 20:21:46,511 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:21:46,511 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:21:46,511 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:21:46,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:21:46,952 INFO L134 CoverageAnalysis]: Checked inductivity of 1918 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 1906 trivial. 0 not checked. [2019-10-13 20:21:46,952 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1866442418] [2019-10-13 20:21:46,953 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1995540568] [2019-10-13 20:21:46,953 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 20:21:48,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:21:48,060 INFO L256 TraceCheckSpWp]: Trace formula consists of 4109 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-13 20:21:48,074 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 20:21:48,312 INFO L134 CoverageAnalysis]: Checked inductivity of 1918 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1918 trivial. 0 not checked. [2019-10-13 20:21:48,313 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 20:21:49,157 INFO L134 CoverageAnalysis]: Checked inductivity of 1918 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1918 trivial. 0 not checked. [2019-10-13 20:21:49,158 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-10-13 20:21:49,158 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [5] total 6 [2019-10-13 20:21:49,160 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [124254825] [2019-10-13 20:21:49,162 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:21:49,162 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:21:49,162 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:21:49,162 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 20:21:49,162 INFO L87 Difference]: Start difference. First operand 6099 states and 8271 transitions. Second operand 3 states. [2019-10-13 20:21:49,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:21:49,528 INFO L93 Difference]: Finished difference Result 6101 states and 8272 transitions. [2019-10-13 20:21:49,528 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:21:49,528 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 423 [2019-10-13 20:21:49,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:21:49,561 INFO L225 Difference]: With dead ends: 6101 [2019-10-13 20:21:49,561 INFO L226 Difference]: Without dead ends: 6098 [2019-10-13 20:21:49,565 INFO L600 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 [2019-10-13 20:21:49,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6098 states. [2019-10-13 20:21:49,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6098 to 6098. [2019-10-13 20:21:49,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6098 states. [2019-10-13 20:21:49,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6098 states to 6098 states and 8269 transitions. [2019-10-13 20:21:49,804 INFO L78 Accepts]: Start accepts. Automaton has 6098 states and 8269 transitions. Word has length 423 [2019-10-13 20:21:49,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:21:49,805 INFO L462 AbstractCegarLoop]: Abstraction has 6098 states and 8269 transitions. [2019-10-13 20:21:49,805 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 20:21:49,805 INFO L276 IsEmpty]: Start isEmpty. Operand 6098 states and 8269 transitions. [2019-10-13 20:21:49,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 425 [2019-10-13 20:21:49,814 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:21:49,814 INFO L380 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] [2019-10-13 20:21:50,025 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 20:21:50,025 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:21:50,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:21:50,026 INFO L82 PathProgramCache]: Analyzing trace with hash -114019436, now seen corresponding path program 1 times [2019-10-13 20:21:50,027 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:21:50,027 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [622063774] [2019-10-13 20:21:50,027 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:21:50,027 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:21:50,028 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:21:50,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:21:50,398 INFO L134 CoverageAnalysis]: Checked inductivity of 1918 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 1906 trivial. 0 not checked. [2019-10-13 20:21:50,398 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [622063774] [2019-10-13 20:21:50,399 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1619607434] [2019-10-13 20:21:50,399 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 [2019-10-13 20:21:51,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:21:51,732 INFO L256 TraceCheckSpWp]: Trace formula consists of 4111 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-13 20:21:51,756 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 20:21:52,082 INFO L134 CoverageAnalysis]: Checked inductivity of 1918 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1918 trivial. 0 not checked. [2019-10-13 20:21:52,082 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 20:21:52,902 INFO L134 CoverageAnalysis]: Checked inductivity of 1918 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1918 trivial. 0 not checked. [2019-10-13 20:21:52,903 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-10-13 20:21:52,903 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [5] total 6 [2019-10-13 20:21:52,903 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1689818465] [2019-10-13 20:21:52,904 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:21:52,904 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:21:52,904 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:21:52,905 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 20:21:52,905 INFO L87 Difference]: Start difference. First operand 6098 states and 8269 transitions. Second operand 3 states. [2019-10-13 20:21:53,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:21:53,163 INFO L93 Difference]: Finished difference Result 6100 states and 8270 transitions. [2019-10-13 20:21:53,184 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:21:53,184 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 424 [2019-10-13 20:21:53,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:21:53,229 INFO L225 Difference]: With dead ends: 6100 [2019-10-13 20:21:53,230 INFO L226 Difference]: Without dead ends: 6037 [2019-10-13 20:21:53,235 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 852 GetRequests, 848 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 20:21:53,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6037 states. [2019-10-13 20:21:53,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6037 to 6037. [2019-10-13 20:21:53,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6037 states. [2019-10-13 20:21:53,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6037 states to 6037 states and 8188 transitions. [2019-10-13 20:21:53,462 INFO L78 Accepts]: Start accepts. Automaton has 6037 states and 8188 transitions. Word has length 424 [2019-10-13 20:21:53,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:21:53,463 INFO L462 AbstractCegarLoop]: Abstraction has 6037 states and 8188 transitions. [2019-10-13 20:21:53,463 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 20:21:53,463 INFO L276 IsEmpty]: Start isEmpty. Operand 6037 states and 8188 transitions. [2019-10-13 20:21:53,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 492 [2019-10-13 20:21:53,479 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:21:53,480 INFO L380 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, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 20:21:53,772 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 20:21:53,773 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:21:53,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:21:53,774 INFO L82 PathProgramCache]: Analyzing trace with hash 1518531089, now seen corresponding path program 1 times [2019-10-13 20:21:53,775 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:21:53,775 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1294271014] [2019-10-13 20:21:53,776 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:21:53,776 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:21:53,776 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:21:53,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:21:54,249 INFO L134 CoverageAnalysis]: Checked inductivity of 1921 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 1906 trivial. 0 not checked. [2019-10-13 20:21:54,250 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1294271014] [2019-10-13 20:21:54,250 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1877377170] [2019-10-13 20:21:54,250 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true