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 -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-fea9116 [2019-09-20 13:20:43,054 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 13:20:43,057 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 13:20:43,075 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 13:20:43,075 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 13:20:43,076 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 13:20:43,079 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 13:20:43,092 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 13:20:43,093 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 13:20:43,094 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 13:20:43,097 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 13:20:43,100 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 13:20:43,100 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 13:20:43,103 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 13:20:43,106 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 13:20:43,107 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 13:20:43,109 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 13:20:43,111 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 13:20:43,113 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 13:20:43,117 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 13:20:43,118 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 13:20:43,120 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 13:20:43,123 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 13:20:43,125 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 13:20:43,127 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 13:20:43,128 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 13:20:43,128 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 13:20:43,130 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 13:20:43,132 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 13:20:43,134 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 13:20:43,134 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 13:20:43,135 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 13:20:43,136 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 13:20:43,137 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 13:20:43,141 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 13:20:43,142 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 13:20:43,142 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 13:20:43,143 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 13:20:43,143 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 13:20:43,144 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 13:20:43,144 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 13:20:43,146 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 [2019-09-20 13:20:43,171 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 13:20:43,171 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 13:20:43,173 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 13:20:43,174 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 13:20:43,174 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 13:20:43,174 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 13:20:43,174 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 13:20:43,174 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 13:20:43,175 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 13:20:43,175 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 13:20:43,176 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 13:20:43,176 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 13:20:43,176 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 13:20:43,177 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 13:20:43,177 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 13:20:43,177 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 13:20:43,177 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 13:20:43,177 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 13:20:43,178 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 13:20:43,178 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 13:20:43,178 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 13:20:43,178 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:20:43,178 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 13:20:43,179 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 13:20:43,179 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 13:20:43,179 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 13:20:43,179 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 13:20:43,179 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 13:20:43,180 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-20 13:20:43,224 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 13:20:43,235 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 13:20:43,239 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 13:20:43,240 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 13:20:43,241 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 13:20:43,241 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--vfio--pci--vfio-pci.ko-main.cil.out.i [2019-09-20 13:20:43,300 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b3ef7609c/40416109631540218eff5d45f86a1a4a/FLAGa467d1ed4 [2019-09-20 13:20:44,095 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 13:20:44,098 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--vfio--pci--vfio-pci.ko-main.cil.out.i [2019-09-20 13:20:44,142 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b3ef7609c/40416109631540218eff5d45f86a1a4a/FLAGa467d1ed4 [2019-09-20 13:20:44,619 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b3ef7609c/40416109631540218eff5d45f86a1a4a [2019-09-20 13:20:44,631 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 13:20:44,633 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 13:20:44,633 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 13:20:44,634 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 13:20:44,636 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 13:20:44,637 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:20:44" (1/1) ... [2019-09-20 13:20:44,640 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2619bf14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:20:44, skipping insertion in model container [2019-09-20 13:20:44,640 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:20:44" (1/1) ... [2019-09-20 13:20:44,647 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 13:20:44,799 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 13:20:46,967 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:20:47,001 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 13:20:47,617 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:20:48,140 INFO L192 MainTranslator]: Completed translation [2019-09-20 13:20:48,141 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:20:48 WrapperNode [2019-09-20 13:20:48,142 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 13:20:48,144 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 13:20:48,144 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 13:20:48,144 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 13:20:48,164 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:20:48" (1/1) ... [2019-09-20 13:20:48,165 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:20:48" (1/1) ... [2019-09-20 13:20:48,301 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:20:48" (1/1) ... [2019-09-20 13:20:48,302 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:20:48" (1/1) ... [2019-09-20 13:20:48,557 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:20:48" (1/1) ... [2019-09-20 13:20:48,619 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:20:48" (1/1) ... [2019-09-20 13:20:48,659 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:20:48" (1/1) ... [2019-09-20 13:20:48,708 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 13:20:48,709 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 13:20:48,709 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 13:20:48,709 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 13:20:48,711 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:20:48" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:20:48,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 13:20:48,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 13:20:48,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-09-20 13:20:48,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2019-09-20 13:20:48,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~X~int~X~~uint32_t~0~X~$Pointer$~TO~int [2019-09-20 13:20:48,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~X~$Pointer$~X~int~X~~__le32~0~TO~int [2019-09-20 13:20:48,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~X~$Pointer$~X~int~X~$Pointer$~TO~int [2019-09-20 13:20:48,806 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2019-09-20 13:20:48,806 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2019-09-20 13:20:48,806 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2019-09-20 13:20:48,806 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2019-09-20 13:20:48,807 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2019-09-20 13:20:48,807 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-09-20 13:20:48,807 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2019-09-20 13:20:48,808 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2019-09-20 13:20:48,809 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2019-09-20 13:20:48,811 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2019-09-20 13:20:48,811 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_byte [2019-09-20 13:20:48,811 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2019-09-20 13:20:48,812 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2019-09-20 13:20:48,812 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_word [2019-09-20 13:20:48,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-09-20 13:20:48,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-09-20 13:20:48,812 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-09-20 13:20:48,813 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-09-20 13:20:48,813 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-09-20 13:20:48,813 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_enable [2019-09-20 13:20:48,813 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_disable [2019-09-20 13:20:48,813 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_release [2019-09-20 13:20:48,813 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_open [2019-09-20 13:20:48,813 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_get_irq_count [2019-09-20 13:20:48,814 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_ioctl [2019-09-20 13:20:48,814 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_read [2019-09-20 13:20:48,814 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_write [2019-09-20 13:20:48,814 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_mmap [2019-09-20 13:20:48,814 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_probe [2019-09-20 13:20:48,814 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_remove [2019-09-20 13:20:48,815 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_cleanup [2019-09-20 13:20:48,815 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_init [2019-09-20 13:20:48,815 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 13:20:48,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_1 [2019-09-20 13:20:48,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_2 [2019-09-20 13:20:48,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_3 [2019-09-20 13:20:48,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_4 [2019-09-20 13:20:48,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_5 [2019-09-20 13:20:48,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_6 [2019-09-20 13:20:48,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_7 [2019-09-20 13:20:48,816 INFO L138 BoogieDeclarations]: Found implementation of procedure fls [2019-09-20 13:20:48,816 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-09-20 13:20:48,816 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2019-09-20 13:20:48,816 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2019-09-20 13:20:48,817 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-09-20 13:20:48,817 INFO L138 BoogieDeclarations]: Found implementation of procedure init_waitqueue_func_entry [2019-09-20 13:20:48,817 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2019-09-20 13:20:48,817 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2019-09-20 13:20:48,817 INFO L138 BoogieDeclarations]: Found implementation of procedure init_poll_funcptr [2019-09-20 13:20:48,817 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_virqfd_init [2019-09-20 13:20:48,818 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_virqfd_exit [2019-09-20 13:20:48,818 INFO L138 BoogieDeclarations]: Found implementation of procedure virqfd_deactivate [2019-09-20 13:20:48,818 INFO L138 BoogieDeclarations]: Found implementation of procedure virqfd_wakeup [2019-09-20 13:20:48,818 INFO L138 BoogieDeclarations]: Found implementation of procedure virqfd_ptable_queue_proc [2019-09-20 13:20:48,819 INFO L138 BoogieDeclarations]: Found implementation of procedure virqfd_shutdown [2019-09-20 13:20:48,819 INFO L138 BoogieDeclarations]: Found implementation of procedure virqfd_inject [2019-09-20 13:20:48,819 INFO L138 BoogieDeclarations]: Found implementation of procedure virqfd_enable [2019-09-20 13:20:48,819 INFO L138 BoogieDeclarations]: Found implementation of procedure virqfd_disable [2019-09-20 13:20:48,819 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_send_intx_eventfd [2019-09-20 13:20:48,819 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_intx_mask [2019-09-20 13:20:48,819 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_intx_unmask_handler [2019-09-20 13:20:48,820 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_intx_unmask [2019-09-20 13:20:48,820 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_intx_handler [2019-09-20 13:20:48,820 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_intx_enable [2019-09-20 13:20:48,820 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_intx_set_signal [2019-09-20 13:20:48,821 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_intx_disable [2019-09-20 13:20:48,821 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_msihandler [2019-09-20 13:20:48,822 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_msi_enable [2019-09-20 13:20:48,822 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_msi_set_vector_signal [2019-09-20 13:20:48,822 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_msi_set_block [2019-09-20 13:20:48,822 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_msi_disable [2019-09-20 13:20:48,822 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_set_intx_unmask [2019-09-20 13:20:48,823 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_set_intx_mask [2019-09-20 13:20:48,823 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_set_intx_trigger [2019-09-20 13:20:48,823 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_set_msi_trigger [2019-09-20 13:20:48,824 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_set_irqs_ioctl [2019-09-20 13:20:48,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_15 [2019-09-20 13:20:48,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_16 [2019-09-20 13:20:48,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_17 [2019-09-20 13:20:48,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_18 [2019-09-20 13:20:48,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_19 [2019-09-20 13:20:48,825 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_io_readwrite [2019-09-20 13:20:48,826 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_mem_readwrite [2019-09-20 13:20:48,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_25 [2019-09-20 13:20:48,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_26 [2019-09-20 13:20:48,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_27 [2019-09-20 13:20:48,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_28 [2019-09-20 13:20:48,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_29 [2019-09-20 13:20:48,827 INFO L138 BoogieDeclarations]: Found implementation of procedure pcibios_err_to_errno [2019-09-20 13:20:48,827 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_user_config_read [2019-09-20 13:20:48,827 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_user_config_write [2019-09-20 13:20:48,828 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_default_config_read [2019-09-20 13:20:48,828 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_default_config_write [2019-09-20 13:20:48,828 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_direct_config_read [2019-09-20 13:20:48,828 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_direct_config_write [2019-09-20 13:20:48,828 INFO L138 BoogieDeclarations]: Found implementation of procedure free_perm_bits [2019-09-20 13:20:48,828 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_perm_bits [2019-09-20 13:20:48,829 INFO L138 BoogieDeclarations]: Found implementation of procedure p_setb [2019-09-20 13:20:48,829 INFO L138 BoogieDeclarations]: Found implementation of procedure p_setw [2019-09-20 13:20:48,829 INFO L138 BoogieDeclarations]: Found implementation of procedure p_setd [2019-09-20 13:20:48,829 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_bar_restore [2019-09-20 13:20:48,829 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_generate_bar_flags [2019-09-20 13:20:48,829 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_bar_fixup [2019-09-20 13:20:48,829 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_basic_config_read [2019-09-20 13:20:48,830 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_basic_config_write [2019-09-20 13:20:48,830 INFO L138 BoogieDeclarations]: Found implementation of procedure init_pci_cap_basic_perm [2019-09-20 13:20:48,830 INFO L138 BoogieDeclarations]: Found implementation of procedure init_pci_cap_pm_perm [2019-09-20 13:20:48,830 INFO L138 BoogieDeclarations]: Found implementation of procedure init_pci_cap_pcix_perm [2019-09-20 13:20:48,830 INFO L138 BoogieDeclarations]: Found implementation of procedure init_pci_cap_exp_perm [2019-09-20 13:20:48,831 INFO L138 BoogieDeclarations]: Found implementation of procedure init_pci_cap_af_perm [2019-09-20 13:20:48,831 INFO L138 BoogieDeclarations]: Found implementation of procedure init_pci_ext_cap_err_perm [2019-09-20 13:20:48,831 INFO L138 BoogieDeclarations]: Found implementation of procedure init_pci_ext_cap_pwr_perm [2019-09-20 13:20:48,831 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_uninit_perm_bits [2019-09-20 13:20:48,832 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_init_perm_bits [2019-09-20 13:20:48,832 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_find_cap_start [2019-09-20 13:20:48,832 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_msi_config_read [2019-09-20 13:20:48,832 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_msi_config_write [2019-09-20 13:20:48,833 INFO L138 BoogieDeclarations]: Found implementation of procedure init_pci_cap_msi_perm [2019-09-20 13:20:48,833 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_msi_cap_len [2019-09-20 13:20:48,833 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_vc_cap_len [2019-09-20 13:20:48,833 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_cap_len [2019-09-20 13:20:48,833 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_ext_cap_len [2019-09-20 13:20:48,834 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_fill_vconfig_bytes [2019-09-20 13:20:48,834 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_cap_init [2019-09-20 13:20:48,834 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_ecap_init [2019-09-20 13:20:48,834 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_config_init [2019-09-20 13:20:48,835 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_config_free [2019-09-20 13:20:48,835 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_config_do_rw [2019-09-20 13:20:48,835 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_config_readwrite [2019-09-20 13:20:48,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_35 [2019-09-20 13:20:48,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_36 [2019-09-20 13:20:48,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_37 [2019-09-20 13:20:48,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_38 [2019-09-20 13:20:48,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_39 [2019-09-20 13:20:48,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-09-20 13:20:48,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-09-20 13:20:48,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-09-20 13:20:48,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_igate_of_vfio_pci_device [2019-09-20 13:20:48,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_igate_of_vfio_pci_device [2019-09-20 13:20:48,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_igate_of_vfio_pci_device [2019-09-20 13:20:48,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_igate_of_vfio_pci_device [2019-09-20 13:20:48,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_igate_of_vfio_pci_device [2019-09-20 13:20:48,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_igate_of_vfio_pci_device [2019-09-20 13:20:48,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_igate_of_vfio_pci_device [2019-09-20 13:20:48,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2019-09-20 13:20:48,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2019-09-20 13:20:48,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2019-09-20 13:20:48,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2019-09-20 13:20:48,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-09-20 13:20:48,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2019-09-20 13:20:48,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2019-09-20 13:20:48,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-09-20 13:20:48,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2019-09-20 13:20:48,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2019-09-20 13:20:48,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2019-09-20 13:20:48,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-09-20 13:20:48,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2019-09-20 13:20:48,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2019-09-20 13:20:48,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-09-20 13:20:48,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-09-20 13:20:48,850 INFO L138 BoogieDeclarations]: Found implementation of procedure __alloc_workqueue_key [2019-09-20 13:20:48,850 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2019-09-20 13:20:48,851 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2019-09-20 13:20:48,851 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2019-09-20 13:20:48,851 INFO L138 BoogieDeclarations]: Found implementation of procedure __pci_register_driver [2019-09-20 13:20:48,851 INFO L138 BoogieDeclarations]: Found implementation of procedure __pci_reset_function [2019-09-20 13:20:48,851 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-09-20 13:20:48,851 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2019-09-20 13:20:48,851 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2019-09-20 13:20:48,852 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irq [2019-09-20 13:20:48,852 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2019-09-20 13:20:48,852 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irq [2019-09-20 13:20:48,852 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-09-20 13:20:48,852 INFO L138 BoogieDeclarations]: Found implementation of procedure add_wait_queue [2019-09-20 13:20:48,852 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2019-09-20 13:20:48,852 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_irq_nosync [2019-09-20 13:20:48,852 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_irq [2019-09-20 13:20:48,853 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_ctx_fdget [2019-09-20 13:20:48,853 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_ctx_fileget [2019-09-20 13:20:48,853 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_ctx_put [2019-09-20 13:20:48,853 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_ctx_remove_wait_queue [2019-09-20 13:20:48,853 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_fget [2019-09-20 13:20:48,853 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_signal [2019-09-20 13:20:48,853 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_work [2019-09-20 13:20:48,853 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2019-09-20 13:20:48,854 INFO L138 BoogieDeclarations]: Found implementation of procedure fput [2019-09-20 13:20:48,854 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2019-09-20 13:20:48,854 INFO L138 BoogieDeclarations]: Found implementation of procedure iommu_group_get [2019-09-20 13:20:48,854 INFO L138 BoogieDeclarations]: Found implementation of procedure iommu_group_put [2019-09-20 13:20:48,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2019-09-20 13:20:48,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2019-09-20 13:20:48,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2019-09-20 13:20:48,855 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2019-09-20 13:20:48,855 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2019-09-20 13:20:48,855 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite8 [2019-09-20 13:20:48,855 INFO L138 BoogieDeclarations]: Found implementation of procedure kasprintf [2019-09-20 13:20:48,855 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2019-09-20 13:20:48,855 INFO L138 BoogieDeclarations]: Found implementation of procedure memdup_user [2019-09-20 13:20:48,855 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2019-09-20 13:20:48,855 INFO L138 BoogieDeclarations]: Found implementation of procedure module_put [2019-09-20 13:20:48,856 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2019-09-20 13:20:48,856 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2019-09-20 13:20:48,856 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-09-20 13:20:48,856 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_read_config_byte [2019-09-20 13:20:48,856 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_read_config_dword [2019-09-20 13:20:48,856 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_read_config_word [2019-09-20 13:20:48,856 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_write_config_word [2019-09-20 13:20:48,856 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_check_and_mask_intx [2019-09-20 13:20:48,857 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_check_and_unmask_intx [2019-09-20 13:20:48,857 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2019-09-20 13:20:48,857 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2019-09-20 13:20:48,857 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msix [2019-09-20 13:20:48,857 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2019-09-20 13:20:48,857 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_msi_block [2019-09-20 13:20:48,857 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_msix [2019-09-20 13:20:48,857 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_find_capability [2019-09-20 13:20:48,858 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_intx [2019-09-20 13:20:48,858 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_intx_mask_supported [2019-09-20 13:20:48,858 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2019-09-20 13:20:48,858 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2019-09-20 13:20:48,858 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_load_and_free_saved_state [2019-09-20 13:20:48,858 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_rom [2019-09-20 13:20:48,858 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_selected_regions [2019-09-20 13:20:48,859 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_request_selected_regions [2019-09-20 13:20:48,859 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_reset_function [2019-09-20 13:20:48,859 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2019-09-20 13:20:48,859 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2019-09-20 13:20:48,859 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_store_saved_state [2019-09-20 13:20:48,859 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_rom [2019-09-20 13:20:48,859 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2019-09-20 13:20:48,859 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_user_read_config_byte [2019-09-20 13:20:48,860 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_user_read_config_dword [2019-09-20 13:20:48,860 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_user_read_config_word [2019-09-20 13:20:48,860 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_user_write_config_byte [2019-09-20 13:20:48,860 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_user_write_config_dword [2019-09-20 13:20:48,860 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_user_write_config_word [2019-09-20 13:20:48,860 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-09-20 13:20:48,860 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2019-09-20 13:20:48,860 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_pfn_range [2019-09-20 13:20:48,861 INFO L138 BoogieDeclarations]: Found implementation of procedure request_threaded_irq [2019-09-20 13:20:48,861 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2019-09-20 13:20:48,861 INFO L138 BoogieDeclarations]: Found implementation of procedure try_module_get [2019-09-20 13:20:48,861 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_add_group_dev [2019-09-20 13:20:48,861 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_del_group_dev [2019-09-20 13:20:48,861 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_fmt [2019-09-20 13:20:48,861 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2019-09-20 13:20:48,861 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-09-20 13:20:48,862 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-09-20 13:20:48,862 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-09-20 13:20:48,862 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-09-20 13:20:48,862 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 13:20:48,862 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-09-20 13:20:48,862 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-09-20 13:20:48,862 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2019-09-20 13:20:48,863 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2019-09-20 13:20:48,863 INFO L130 BoogieDeclarations]: Found specification of procedure memdup_user [2019-09-20 13:20:48,863 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_fmt [2019-09-20 13:20:48,863 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2019-09-20 13:20:48,863 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2019-09-20 13:20:48,864 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2019-09-20 13:20:48,869 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2019-09-20 13:20:48,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 13:20:48,869 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2019-09-20 13:20:48,869 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2019-09-20 13:20:48,869 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2019-09-20 13:20:48,873 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2019-09-20 13:20:48,873 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_4 [2019-09-20 13:20:48,873 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-09-20 13:20:48,873 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_2 [2019-09-20 13:20:48,873 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_5 [2019-09-20 13:20:48,874 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_7 [2019-09-20 13:20:48,874 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2019-09-20 13:20:48,874 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_1 [2019-09-20 13:20:48,874 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_3 [2019-09-20 13:20:48,874 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_6 [2019-09-20 13:20:48,874 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_igate_of_vfio_pci_device [2019-09-20 13:20:48,874 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_igate_of_vfio_pci_device [2019-09-20 13:20:48,874 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2019-09-20 13:20:48,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2019-09-20 13:20:48,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2019-09-20 13:20:48,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2019-09-20 13:20:48,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2019-09-20 13:20:48,875 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 13:20:48,875 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-09-20 13:20:48,876 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-09-20 13:20:48,876 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2019-09-20 13:20:48,876 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 13:20:48,876 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2019-09-20 13:20:48,876 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2019-09-20 13:20:48,876 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2019-09-20 13:20:48,876 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2019-09-20 13:20:48,876 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2019-09-20 13:20:48,877 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2019-09-20 13:20:48,877 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 13:20:48,877 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2019-09-20 13:20:48,877 INFO L130 BoogieDeclarations]: Found specification of procedure iommu_group_get [2019-09-20 13:20:48,877 INFO L130 BoogieDeclarations]: Found specification of procedure iommu_group_put [2019-09-20 13:20:48,877 INFO L130 BoogieDeclarations]: Found specification of procedure try_module_get [2019-09-20 13:20:48,877 INFO L130 BoogieDeclarations]: Found specification of procedure module_put [2019-09-20 13:20:48,877 INFO L130 BoogieDeclarations]: Found specification of procedure pci_find_capability [2019-09-20 13:20:48,878 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_read_config_byte [2019-09-20 13:20:48,878 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_read_config_word [2019-09-20 13:20:48,878 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_read_config_dword [2019-09-20 13:20:48,878 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_write_config_word [2019-09-20 13:20:48,878 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_byte [2019-09-20 13:20:48,878 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 13:20:48,878 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2019-09-20 13:20:48,878 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2019-09-20 13:20:48,879 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_word [2019-09-20 13:20:48,879 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2019-09-20 13:20:48,879 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2019-09-20 13:20:48,879 INFO L130 BoogieDeclarations]: Found specification of procedure pci_intx_mask_supported [2019-09-20 13:20:48,879 INFO L130 BoogieDeclarations]: Found specification of procedure __pci_reset_function [2019-09-20 13:20:48,879 INFO L130 BoogieDeclarations]: Found specification of procedure pci_reset_function [2019-09-20 13:20:48,879 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_rom [2019-09-20 13:20:48,879 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_rom [2019-09-20 13:20:48,879 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2019-09-20 13:20:48,880 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2019-09-20 13:20:48,880 INFO L130 BoogieDeclarations]: Found specification of procedure pci_store_saved_state [2019-09-20 13:20:48,880 INFO L130 BoogieDeclarations]: Found specification of procedure pci_load_and_free_saved_state [2019-09-20 13:20:48,880 INFO L130 BoogieDeclarations]: Found specification of procedure pci_request_selected_regions [2019-09-20 13:20:48,880 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_selected_regions [2019-09-20 13:20:48,880 INFO L130 BoogieDeclarations]: Found specification of procedure __pci_register_driver [2019-09-20 13:20:48,880 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2019-09-20 13:20:48,880 INFO L130 BoogieDeclarations]: Found specification of procedure remap_pfn_range [2019-09-20 13:20:48,880 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-09-20 13:20:48,881 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-20 13:20:48,881 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 13:20:48,881 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-09-20 13:20:48,881 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-09-20 13:20:48,881 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 13:20:48,881 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-09-20 13:20:48,881 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-09-20 13:20:48,881 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-09-20 13:20:48,882 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_add_group_dev [2019-09-20 13:20:48,882 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_del_group_dev [2019-09-20 13:20:48,882 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_set_irqs_ioctl [2019-09-20 13:20:48,882 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_config_readwrite [2019-09-20 13:20:48,882 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_mem_readwrite [2019-09-20 13:20:48,882 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_io_readwrite [2019-09-20 13:20:48,882 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_init_perm_bits [2019-09-20 13:20:48,882 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_uninit_perm_bits [2019-09-20 13:20:48,882 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_virqfd_init [2019-09-20 13:20:48,883 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_virqfd_exit [2019-09-20 13:20:48,883 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_config_init [2019-09-20 13:20:48,883 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_config_free [2019-09-20 13:20:48,883 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_enable [2019-09-20 13:20:48,883 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 13:20:48,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 13:20:48,883 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_disable [2019-09-20 13:20:48,883 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_release [2019-09-20 13:20:48,883 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_open [2019-09-20 13:20:48,884 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_get_irq_count [2019-09-20 13:20:48,884 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_ioctl [2019-09-20 13:20:48,884 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_read [2019-09-20 13:20:48,884 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_write [2019-09-20 13:20:48,884 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_mmap [2019-09-20 13:20:48,884 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_probe [2019-09-20 13:20:48,884 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_remove [2019-09-20 13:20:48,884 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_cleanup [2019-09-20 13:20:48,884 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_init [2019-09-20 13:20:48,885 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-09-20 13:20:48,885 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-09-20 13:20:48,885 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 13:20:48,885 INFO L130 BoogieDeclarations]: Found specification of procedure fls [2019-09-20 13:20:48,885 INFO L130 BoogieDeclarations]: Found specification of procedure kasprintf [2019-09-20 13:20:48,885 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-09-20 13:20:48,885 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2019-09-20 13:20:48,885 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_18 [2019-09-20 13:20:48,886 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_16 [2019-09-20 13:20:48,886 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_19 [2019-09-20 13:20:48,886 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_15 [2019-09-20 13:20:48,886 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_17 [2019-09-20 13:20:48,886 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irq [2019-09-20 13:20:48,886 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2019-09-20 13:20:48,886 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irq [2019-09-20 13:20:48,886 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-09-20 13:20:48,887 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2019-09-20 13:20:48,887 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2019-09-20 13:20:48,887 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-09-20 13:20:48,887 INFO L130 BoogieDeclarations]: Found specification of procedure init_waitqueue_func_entry [2019-09-20 13:20:48,887 INFO L130 BoogieDeclarations]: Found specification of procedure add_wait_queue [2019-09-20 13:20:48,887 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2019-09-20 13:20:48,887 INFO L130 BoogieDeclarations]: Found specification of procedure __alloc_workqueue_key [2019-09-20 13:20:48,887 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2019-09-20 13:20:48,888 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2019-09-20 13:20:48,888 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2019-09-20 13:20:48,889 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2019-09-20 13:20:48,889 INFO L130 BoogieDeclarations]: Found specification of procedure flush_work [2019-09-20 13:20:48,890 INFO L130 BoogieDeclarations]: Found specification of procedure request_threaded_irq [2019-09-20 13:20:48,890 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2019-09-20 13:20:48,890 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2019-09-20 13:20:48,890 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq_nosync [2019-09-20 13:20:48,891 INFO L130 BoogieDeclarations]: Found specification of procedure enable_irq [2019-09-20 13:20:48,891 INFO L130 BoogieDeclarations]: Found specification of procedure fput [2019-09-20 13:20:48,891 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_ctx_put [2019-09-20 13:20:48,891 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_fget [2019-09-20 13:20:48,891 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_ctx_fdget [2019-09-20 13:20:48,891 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_ctx_fileget [2019-09-20 13:20:48,892 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_signal [2019-09-20 13:20:48,892 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_ctx_remove_wait_queue [2019-09-20 13:20:48,892 INFO L130 BoogieDeclarations]: Found specification of procedure pci_intx [2019-09-20 13:20:48,892 INFO L130 BoogieDeclarations]: Found specification of procedure pci_check_and_mask_intx [2019-09-20 13:20:48,892 INFO L130 BoogieDeclarations]: Found specification of procedure pci_check_and_unmask_intx [2019-09-20 13:20:48,892 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_msi_block [2019-09-20 13:20:48,892 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2019-09-20 13:20:48,892 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_msix [2019-09-20 13:20:48,893 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msix [2019-09-20 13:20:48,893 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2019-09-20 13:20:48,893 INFO L130 BoogieDeclarations]: Found specification of procedure init_poll_funcptr [2019-09-20 13:20:48,893 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_intx_mask [2019-09-20 13:20:48,893 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_intx_unmask [2019-09-20 13:20:48,893 INFO L130 BoogieDeclarations]: Found specification of procedure virqfd_deactivate [2019-09-20 13:20:48,893 INFO L130 BoogieDeclarations]: Found specification of procedure virqfd_wakeup [2019-09-20 13:20:48,893 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-09-20 13:20:48,894 INFO L130 BoogieDeclarations]: Found specification of procedure virqfd_ptable_queue_proc [2019-09-20 13:20:48,894 INFO L130 BoogieDeclarations]: Found specification of procedure virqfd_shutdown [2019-09-20 13:20:48,894 INFO L130 BoogieDeclarations]: Found specification of procedure virqfd_inject [2019-09-20 13:20:48,894 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2019-09-20 13:20:48,894 INFO L130 BoogieDeclarations]: Found specification of procedure virqfd_enable [2019-09-20 13:20:48,894 INFO L130 BoogieDeclarations]: Found specification of procedure virqfd_disable [2019-09-20 13:20:48,894 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_send_intx_eventfd [2019-09-20 13:20:48,894 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_intx_unmask_handler [2019-09-20 13:20:48,895 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_intx_handler [2019-09-20 13:20:48,895 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_intx_enable [2019-09-20 13:20:48,895 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_intx_set_signal [2019-09-20 13:20:48,895 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_intx_disable [2019-09-20 13:20:48,895 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_msihandler [2019-09-20 13:20:48,895 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_msi_enable [2019-09-20 13:20:48,895 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_msi_set_vector_signal [2019-09-20 13:20:48,895 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_msi_set_block [2019-09-20 13:20:48,895 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_msi_disable [2019-09-20 13:20:48,896 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_set_intx_unmask [2019-09-20 13:20:48,896 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_set_intx_mask [2019-09-20 13:20:48,896 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_set_intx_trigger [2019-09-20 13:20:48,896 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_set_msi_trigger [2019-09-20 13:20:48,896 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~X~int~X~~uint32_t~0~X~$Pointer$~TO~int [2019-09-20 13:20:48,896 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_28 [2019-09-20 13:20:48,896 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_26 [2019-09-20 13:20:48,896 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_29 [2019-09-20 13:20:48,897 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_25 [2019-09-20 13:20:48,897 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_27 [2019-09-20 13:20:48,897 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2019-09-20 13:20:48,897 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2019-09-20 13:20:48,897 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2019-09-20 13:20:48,897 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8 [2019-09-20 13:20:48,897 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2019-09-20 13:20:48,898 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2019-09-20 13:20:48,898 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-09-20 13:20:48,898 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-09-20 13:20:48,898 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2019-09-20 13:20:48,898 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_38 [2019-09-20 13:20:48,898 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_36 [2019-09-20 13:20:48,898 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_39 [2019-09-20 13:20:48,898 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_35 [2019-09-20 13:20:48,899 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_37 [2019-09-20 13:20:48,899 INFO L130 BoogieDeclarations]: Found specification of procedure pcibios_err_to_errno [2019-09-20 13:20:48,899 INFO L130 BoogieDeclarations]: Found specification of procedure pci_user_read_config_byte [2019-09-20 13:20:48,899 INFO L130 BoogieDeclarations]: Found specification of procedure pci_user_read_config_word [2019-09-20 13:20:48,899 INFO L130 BoogieDeclarations]: Found specification of procedure pci_user_read_config_dword [2019-09-20 13:20:48,899 INFO L130 BoogieDeclarations]: Found specification of procedure pci_user_write_config_byte [2019-09-20 13:20:48,899 INFO L130 BoogieDeclarations]: Found specification of procedure pci_user_write_config_word [2019-09-20 13:20:48,899 INFO L130 BoogieDeclarations]: Found specification of procedure pci_user_write_config_dword [2019-09-20 13:20:48,900 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_user_config_read [2019-09-20 13:20:48,900 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_user_config_write [2019-09-20 13:20:48,900 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_default_config_read [2019-09-20 13:20:48,900 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-09-20 13:20:48,900 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_default_config_write [2019-09-20 13:20:48,900 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_direct_config_read [2019-09-20 13:20:48,900 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_direct_config_write [2019-09-20 13:20:48,900 INFO L130 BoogieDeclarations]: Found specification of procedure free_perm_bits [2019-09-20 13:20:48,900 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_perm_bits [2019-09-20 13:20:48,901 INFO L130 BoogieDeclarations]: Found specification of procedure p_setb [2019-09-20 13:20:48,901 INFO L130 BoogieDeclarations]: Found specification of procedure p_setw [2019-09-20 13:20:48,901 INFO L130 BoogieDeclarations]: Found specification of procedure p_setd [2019-09-20 13:20:48,901 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_bar_restore [2019-09-20 13:20:48,901 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_generate_bar_flags [2019-09-20 13:20:48,901 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_bar_fixup [2019-09-20 13:20:48,901 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_basic_config_read [2019-09-20 13:20:48,901 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_basic_config_write [2019-09-20 13:20:48,901 INFO L130 BoogieDeclarations]: Found specification of procedure init_pci_cap_basic_perm [2019-09-20 13:20:48,902 INFO L130 BoogieDeclarations]: Found specification of procedure init_pci_cap_pm_perm [2019-09-20 13:20:48,902 INFO L130 BoogieDeclarations]: Found specification of procedure init_pci_cap_pcix_perm [2019-09-20 13:20:48,902 INFO L130 BoogieDeclarations]: Found specification of procedure init_pci_cap_exp_perm [2019-09-20 13:20:48,902 INFO L130 BoogieDeclarations]: Found specification of procedure init_pci_cap_af_perm [2019-09-20 13:20:48,902 INFO L130 BoogieDeclarations]: Found specification of procedure init_pci_ext_cap_err_perm [2019-09-20 13:20:48,902 INFO L130 BoogieDeclarations]: Found specification of procedure init_pci_ext_cap_pwr_perm [2019-09-20 13:20:48,902 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_find_cap_start [2019-09-20 13:20:48,902 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_msi_config_read [2019-09-20 13:20:48,903 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_msi_config_write [2019-09-20 13:20:48,903 INFO L130 BoogieDeclarations]: Found specification of procedure init_pci_cap_msi_perm [2019-09-20 13:20:48,903 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_msi_cap_len [2019-09-20 13:20:48,903 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_vc_cap_len [2019-09-20 13:20:48,903 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_cap_len [2019-09-20 13:20:48,903 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_ext_cap_len [2019-09-20 13:20:48,903 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_fill_vconfig_bytes [2019-09-20 13:20:48,903 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_cap_init [2019-09-20 13:20:48,904 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-09-20 13:20:48,904 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_ecap_init [2019-09-20 13:20:48,904 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_config_do_rw [2019-09-20 13:20:48,904 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~X~$Pointer$~X~int~X~~__le32~0~TO~int [2019-09-20 13:20:48,904 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~X~$Pointer$~X~int~X~$Pointer$~TO~int [2019-09-20 13:20:48,904 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-09-20 13:20:48,904 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-09-20 13:20:48,904 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_igate_of_vfio_pci_device [2019-09-20 13:20:48,905 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_igate_of_vfio_pci_device [2019-09-20 13:20:48,905 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_igate_of_vfio_pci_device [2019-09-20 13:20:48,905 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_igate_of_vfio_pci_device [2019-09-20 13:20:48,905 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_igate_of_vfio_pci_device [2019-09-20 13:20:48,905 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2019-09-20 13:20:48,905 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2019-09-20 13:20:48,905 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2019-09-20 13:20:48,906 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-09-20 13:20:48,906 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2019-09-20 13:20:48,906 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-09-20 13:20:48,906 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2019-09-20 13:20:48,906 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-09-20 13:20:48,906 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2019-09-20 13:20:48,906 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-09-20 13:20:48,906 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-09-20 13:20:48,907 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-20 13:20:48,910 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-09-20 13:20:48,910 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-20 13:20:48,910 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 13:20:48,911 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 13:20:48,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-20 13:20:48,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 13:20:48,911 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 13:20:48,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-09-20 13:20:48,911 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-09-20 13:20:48,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-09-20 13:20:48,911 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-09-20 13:20:50,608 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 13:20:50,896 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint L2749: assume #t~short211;call #t~mem210 := read~int(~#info___0~0.base, 16 + ~#info___0~0.offset, 8);#t~short211 := #t~mem210 % 18446744073709551616 > 4095; [2019-09-20 13:20:50,897 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint L2749: assume !#t~short211; [2019-09-20 13:20:50,897 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint L2749-2: assume #t~short211;havoc #t~mem209;havoc #t~mem210;havoc #t~mem208;havoc #t~short211;call #t~mem212 := read~int(~#info___0~0.base, 4 + ~#info___0~0.offset, 4);call write~int(~bitwiseOr(#t~mem212, 4), ~#info___0~0.base, 4 + ~#info___0~0.offset, 4);havoc #t~mem212; [2019-09-20 13:20:50,897 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint L2749-2: assume !#t~short211;havoc #t~mem209;havoc #t~mem210;havoc #t~mem208;havoc #t~short211; [2019-09-20 13:20:50,897 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint L2738: assume #t~short202;havoc #t~mem201;havoc #t~short202;havoc #t~mem196;havoc #t~mem197;havoc #t~mem199;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~mem203;havoc #t~mem205;havoc #t~mem204;havoc #t~mem206; [2019-09-20 13:20:50,897 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint L2738: assume !#t~short202;havoc #t~mem201;havoc #t~short202;havoc #t~mem196;havoc #t~mem197;havoc #t~mem199;havoc #t~mem198;havoc #t~mem200;call write~int(0, ~#info___0~0.base, 16 + ~#info___0~0.offset, 8); [2019-09-20 13:20:50,898 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume #t~short202; [2019-09-20 13:20:50,898 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint L2738-2: call #t~mem207 := read~int(~#info___0~0.base, 16 + ~#info___0~0.offset, 8); [2019-09-20 13:20:50,898 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume !#t~short202;call #t~mem198 := read~int(~#info___0~0.base, 8 + ~#info___0~0.offset, 4);call #t~mem200 := read~int(~pdev~2.base, 8 + (790 + ~pdev~2.offset + 36 * (if #t~mem198 % 4294967296 % 4294967296 <= 2147483647 then #t~mem198 % 4294967296 % 4294967296 else #t~mem198 % 4294967296 % 4294967296 - 4294967296)), 8);call #t~mem199 := read~int(~#info___0~0.base, 8 + ~#info___0~0.offset, 4);call #t~mem201 := read~int(~pdev~2.base, 790 + ~pdev~2.offset + 36 * (if #t~mem199 % 4294967296 % 4294967296 <= 2147483647 then #t~mem199 % 4294967296 % 4294967296 else #t~mem199 % 4294967296 % 4294967296 - 4294967296), 8);#t~short202 := #t~mem200 % 18446744073709551616 != #t~mem201 % 18446744073709551616; [2019-09-20 13:20:50,898 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint L2743: assume 0 == #t~mem207 % 18446744073709551616;havoc #t~mem207;call write~int(0, ~#info___0~0.base, 4 + ~#info___0~0.offset, 4); [2019-09-20 13:20:50,898 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint L2743: assume !(0 == #t~mem207 % 18446744073709551616);havoc #t~mem207;call write~int(3, ~#info___0~0.base, 4 + ~#info___0~0.offset, 4);call #t~mem208 := read~int(~#info___0~0.base, 8 + ~#info___0~0.offset, 4);call #t~mem209 := read~int(~pdev~2.base, 20 + (790 + ~pdev~2.offset + 36 * (if #t~mem208 % 4294967296 % 4294967296 <= 2147483647 then #t~mem208 % 4294967296 % 4294967296 else #t~mem208 % 4294967296 % 4294967296 - 4294967296)), 4);#t~short211 := 0 != ~bitwiseAnd(#t~mem209, 512) % 4294967296; [2019-09-20 13:20:55,336 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 13:20:55,337 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-20 13:20:55,340 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:20:55 BoogieIcfgContainer [2019-09-20 13:20:55,340 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 13:20:55,342 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-20 13:20:55,342 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-20 13:20:55,345 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-20 13:20:55,346 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 01:20:44" (1/3) ... [2019-09-20 13:20:55,347 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@151159d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:20:55, skipping insertion in model container [2019-09-20 13:20:55,347 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:20:48" (2/3) ... [2019-09-20 13:20:55,347 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@151159d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:20:55, skipping insertion in model container [2019-09-20 13:20:55,347 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:20:55" (3/3) ... [2019-09-20 13:20:55,349 INFO L109 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--vfio--pci--vfio-pci.ko-main.cil.out.i [2019-09-20 13:20:55,360 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-20 13:20:55,372 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-20 13:20:55,391 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-20 13:20:55,444 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-20 13:20:55,445 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-20 13:20:55,445 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-20 13:20:55,445 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-20 13:20:55,446 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-20 13:20:55,446 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-20 13:20:55,446 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-20 13:20:55,446 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-20 13:20:55,446 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-20 13:20:55,526 INFO L276 IsEmpty]: Start isEmpty. Operand 2373 states. [2019-09-20 13:20:55,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-09-20 13:20:55,556 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:20:55,558 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:20:55,560 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:20:55,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:20:55,566 INFO L82 PathProgramCache]: Analyzing trace with hash 1362634209, now seen corresponding path program 1 times [2019-09-20 13:20:55,568 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:20:55,569 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:20:55,661 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:20:55,662 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:20:55,662 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:20:55,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:20:56,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:20:56,200 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:20:56,200 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:20:56,205 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:20:56,219 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:20:56,221 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:20:56,223 INFO L87 Difference]: Start difference. First operand 2373 states. Second operand 3 states. [2019-09-20 13:20:57,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:20:57,240 INFO L93 Difference]: Finished difference Result 4702 states and 6503 transitions. [2019-09-20 13:20:57,241 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:20:57,242 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 61 [2019-09-20 13:20:57,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:20:57,286 INFO L225 Difference]: With dead ends: 4702 [2019-09-20 13:20:57,287 INFO L226 Difference]: Without dead ends: 2505 [2019-09-20 13:20:57,301 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:20:57,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2505 states. [2019-09-20 13:20:57,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2505 to 2495. [2019-09-20 13:20:57,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2495 states. [2019-09-20 13:20:57,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2495 states to 2495 states and 3426 transitions. [2019-09-20 13:20:57,566 INFO L78 Accepts]: Start accepts. Automaton has 2495 states and 3426 transitions. Word has length 61 [2019-09-20 13:20:57,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:20:57,566 INFO L475 AbstractCegarLoop]: Abstraction has 2495 states and 3426 transitions. [2019-09-20 13:20:57,567 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:20:57,567 INFO L276 IsEmpty]: Start isEmpty. Operand 2495 states and 3426 transitions. [2019-09-20 13:20:57,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2019-09-20 13:20:57,579 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:20:57,579 INFO L407 BasicCegarLoop]: trace histogram [14, 14, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:20:57,580 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:20:57,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:20:57,580 INFO L82 PathProgramCache]: Analyzing trace with hash -1105932918, now seen corresponding path program 1 times [2019-09-20 13:20:57,580 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:20:57,580 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:20:57,606 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:20:57,607 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:20:57,607 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:20:57,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:20:57,941 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2019-09-20 13:20:57,941 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:20:57,941 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:20:57,943 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:20:57,944 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:20:57,944 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:20:57,944 INFO L87 Difference]: Start difference. First operand 2495 states and 3426 transitions. Second operand 3 states. [2019-09-20 13:20:58,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:20:58,453 INFO L93 Difference]: Finished difference Result 7152 states and 9821 transitions. [2019-09-20 13:20:58,453 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:20:58,453 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 137 [2019-09-20 13:20:58,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:20:58,490 INFO L225 Difference]: With dead ends: 7152 [2019-09-20 13:20:58,490 INFO L226 Difference]: Without dead ends: 4668 [2019-09-20 13:20:58,504 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:20:58,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4668 states. [2019-09-20 13:20:58,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4668 to 4664. [2019-09-20 13:20:58,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4664 states. [2019-09-20 13:20:58,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4664 states to 4664 states and 6397 transitions. [2019-09-20 13:20:58,728 INFO L78 Accepts]: Start accepts. Automaton has 4664 states and 6397 transitions. Word has length 137 [2019-09-20 13:20:58,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:20:58,729 INFO L475 AbstractCegarLoop]: Abstraction has 4664 states and 6397 transitions. [2019-09-20 13:20:58,729 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:20:58,729 INFO L276 IsEmpty]: Start isEmpty. Operand 4664 states and 6397 transitions. [2019-09-20 13:20:58,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 423 [2019-09-20 13:20:58,739 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:20:58,740 INFO L407 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:20:58,740 INFO L418 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:20:58,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:20:58,740 INFO L82 PathProgramCache]: Analyzing trace with hash 1532425619, now seen corresponding path program 1 times [2019-09-20 13:20:58,741 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:20:58,741 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:20:58,757 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:20:58,757 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:20:58,757 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:20:58,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:20:59,271 INFO L134 CoverageAnalysis]: Checked inductivity of 1918 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 1900 trivial. 0 not checked. [2019-09-20 13:20:59,272 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-20 13:20:59,272 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-20 13:20:59,724 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:21:00,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:21:00,444 INFO L256 TraceCheckSpWp]: Trace formula consists of 4072 conjuncts, 2 conjunts are in the unsatisfiable core [2019-09-20 13:21:00,542 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-20 13:21:00,721 INFO L134 CoverageAnalysis]: Checked inductivity of 1918 backedges. 498 proven. 0 refuted. 0 times theorem prover too weak. 1420 trivial. 0 not checked. [2019-09-20 13:21:00,743 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-20 13:21:00,743 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 3 [2019-09-20 13:21:00,745 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:21:00,745 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:21:00,745 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:21:00,746 INFO L87 Difference]: Start difference. First operand 4664 states and 6397 transitions. Second operand 3 states. [2019-09-20 13:21:01,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:21:01,037 INFO L93 Difference]: Finished difference Result 9320 states and 12837 transitions. [2019-09-20 13:21:01,038 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:21:01,038 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 422 [2019-09-20 13:21:01,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:21:01,070 INFO L225 Difference]: With dead ends: 9320 [2019-09-20 13:21:01,071 INFO L226 Difference]: Without dead ends: 4667 [2019-09-20 13:21:01,092 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 424 GetRequests, 423 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:21:01,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4667 states. [2019-09-20 13:21:01,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4667 to 4667. [2019-09-20 13:21:01,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4667 states. [2019-09-20 13:21:01,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4667 states to 4667 states and 6400 transitions. [2019-09-20 13:21:01,313 INFO L78 Accepts]: Start accepts. Automaton has 4667 states and 6400 transitions. Word has length 422 [2019-09-20 13:21:01,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:21:01,314 INFO L475 AbstractCegarLoop]: Abstraction has 4667 states and 6400 transitions. [2019-09-20 13:21:01,315 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:21:01,315 INFO L276 IsEmpty]: Start isEmpty. Operand 4667 states and 6400 transitions. [2019-09-20 13:21:01,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 423 [2019-09-20 13:21:01,332 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:21:01,332 INFO L407 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:21:01,333 INFO L418 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:21:01,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:21:01,334 INFO L82 PathProgramCache]: Analyzing trace with hash 317236369, now seen corresponding path program 1 times [2019-09-20 13:21:01,334 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:21:01,334 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:21:01,351 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:21:01,352 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:21:01,352 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:21:01,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:21:01,844 INFO L134 CoverageAnalysis]: Checked inductivity of 1918 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 1906 trivial. 0 not checked. [2019-09-20 13:21:01,844 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-20 13:21:01,845 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-20 13:21:02,443 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:21:03,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:21:03,125 INFO L256 TraceCheckSpWp]: Trace formula consists of 4107 conjuncts, 3 conjunts are in the unsatisfiable core [2019-09-20 13:21:03,150 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-20 13:21:03,471 INFO L134 CoverageAnalysis]: Checked inductivity of 1918 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1918 trivial. 0 not checked. [2019-09-20 13:21:03,483 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-20 13:21:03,483 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2019-09-20 13:21:03,484 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-20 13:21:03,484 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-20 13:21:03,485 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-20 13:21:03,485 INFO L87 Difference]: Start difference. First operand 4667 states and 6400 transitions. Second operand 6 states. [2019-09-20 13:21:04,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:21:04,105 INFO L93 Difference]: Finished difference Result 10771 states and 14699 transitions. [2019-09-20 13:21:04,105 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-20 13:21:04,105 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 422 [2019-09-20 13:21:04,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:21:04,149 INFO L225 Difference]: With dead ends: 10771 [2019-09-20 13:21:04,150 INFO L226 Difference]: Without dead ends: 6115 [2019-09-20 13:21:04,171 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 429 GetRequests, 422 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-09-20 13:21:04,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6115 states. [2019-09-20 13:21:04,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6115 to 6107. [2019-09-20 13:21:04,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6107 states. [2019-09-20 13:21:04,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6107 states to 6107 states and 8292 transitions. [2019-09-20 13:21:04,418 INFO L78 Accepts]: Start accepts. Automaton has 6107 states and 8292 transitions. Word has length 422 [2019-09-20 13:21:04,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:21:04,419 INFO L475 AbstractCegarLoop]: Abstraction has 6107 states and 8292 transitions. [2019-09-20 13:21:04,420 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-20 13:21:04,420 INFO L276 IsEmpty]: Start isEmpty. Operand 6107 states and 8292 transitions. [2019-09-20 13:21:04,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 439 [2019-09-20 13:21:04,430 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:21:04,431 INFO L407 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 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] [2019-09-20 13:21:04,432 INFO L418 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:21:04,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:21:04,432 INFO L82 PathProgramCache]: Analyzing trace with hash 174855755, now seen corresponding path program 1 times [2019-09-20 13:21:04,432 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:21:04,433 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:21:04,447 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:21:04,447 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:21:04,447 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:21:04,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:21:04,855 INFO L134 CoverageAnalysis]: Checked inductivity of 1921 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 1909 trivial. 0 not checked. [2019-09-20 13:21:04,855 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-20 13:21:04,855 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-20 13:21:05,279 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:21:05,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:21:05,898 INFO L256 TraceCheckSpWp]: Trace formula consists of 4156 conjuncts, 3 conjunts are in the unsatisfiable core [2019-09-20 13:21:05,913 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-20 13:21:06,103 INFO L134 CoverageAnalysis]: Checked inductivity of 1921 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1921 trivial. 0 not checked. [2019-09-20 13:21:06,114 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-20 13:21:06,114 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2019-09-20 13:21:06,116 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-20 13:21:06,116 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-20 13:21:06,116 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-20 13:21:06,116 INFO L87 Difference]: Start difference. First operand 6107 states and 8292 transitions. Second operand 6 states. [2019-09-20 13:21:06,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:21:06,772 INFO L93 Difference]: Finished difference Result 12212 states and 16590 transitions. [2019-09-20 13:21:06,773 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-20 13:21:06,773 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 438 [2019-09-20 13:21:06,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:21:06,818 INFO L225 Difference]: With dead ends: 12212 [2019-09-20 13:21:06,818 INFO L226 Difference]: Without dead ends: 6116 [2019-09-20 13:21:06,845 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 445 GetRequests, 438 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-09-20 13:21:06,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6116 states. [2019-09-20 13:21:07,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6116 to 6110. [2019-09-20 13:21:07,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6110 states. [2019-09-20 13:21:07,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6110 states to 6110 states and 8294 transitions. [2019-09-20 13:21:07,624 INFO L78 Accepts]: Start accepts. Automaton has 6110 states and 8294 transitions. Word has length 438 [2019-09-20 13:21:07,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:21:07,625 INFO L475 AbstractCegarLoop]: Abstraction has 6110 states and 8294 transitions. [2019-09-20 13:21:07,625 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-20 13:21:07,625 INFO L276 IsEmpty]: Start isEmpty. Operand 6110 states and 8294 transitions. [2019-09-20 13:21:07,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 455 [2019-09-20 13:21:07,633 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:21:07,634 INFO L407 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 7, 7, 7, 7, 7, 7, 7, 7, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-09-20 13:21:07,634 INFO L418 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:21:07,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:21:07,634 INFO L82 PathProgramCache]: Analyzing trace with hash 316633190, now seen corresponding path program 1 times [2019-09-20 13:21:07,634 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:21:07,635 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:21:07,647 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:21:07,647 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:21:07,647 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:21:07,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:21:08,055 INFO L134 CoverageAnalysis]: Checked inductivity of 1945 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 1933 trivial. 0 not checked. [2019-09-20 13:21:08,055 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-20 13:21:08,055 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-20 13:21:08,581 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:21:09,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:21:09,184 INFO L256 TraceCheckSpWp]: Trace formula consists of 4205 conjuncts, 3 conjunts are in the unsatisfiable core [2019-09-20 13:21:09,208 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-20 13:21:09,530 INFO L134 CoverageAnalysis]: Checked inductivity of 1945 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1945 trivial. 0 not checked. [MP z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (5)] Exception during sending of exit command (exit): Broken pipe [2019-09-20 13:21:09,550 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-20 13:21:09,551 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2019-09-20 13:21:09,551 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-20 13:21:09,552 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-20 13:21:09,552 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-20 13:21:09,552 INFO L87 Difference]: Start difference. First operand 6110 states and 8294 transitions. Second operand 6 states. [2019-09-20 13:21:10,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:21:10,013 INFO L93 Difference]: Finished difference Result 12218 states and 16594 transitions. [2019-09-20 13:21:10,014 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-20 13:21:10,014 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 454 [2019-09-20 13:21:10,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:21:10,065 INFO L225 Difference]: With dead ends: 12218 [2019-09-20 13:21:10,065 INFO L226 Difference]: Without dead ends: 6059 [2019-09-20 13:21:10,092 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 461 GetRequests, 454 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-09-20 13:21:10,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6059 states. [2019-09-20 13:21:10,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6059 to 6053. [2019-09-20 13:21:10,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6053 states. [2019-09-20 13:21:10,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6053 states to 6053 states and 8217 transitions. [2019-09-20 13:21:10,313 INFO L78 Accepts]: Start accepts. Automaton has 6053 states and 8217 transitions. Word has length 454 [2019-09-20 13:21:10,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:21:10,315 INFO L475 AbstractCegarLoop]: Abstraction has 6053 states and 8217 transitions. [2019-09-20 13:21:10,315 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-20 13:21:10,316 INFO L276 IsEmpty]: Start isEmpty. Operand 6053 states and 8217 transitions. [2019-09-20 13:21:10,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 537 [2019-09-20 13:21:10,334 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:21:10,334 INFO L407 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2019-09-20 13:21:10,335 INFO L418 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:21:10,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:21:10,335 INFO L82 PathProgramCache]: Analyzing trace with hash 2098738149, now seen corresponding path program 1 times [2019-09-20 13:21:10,335 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:21:10,335 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:21:10,346 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:21:10,346 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:21:10,346 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:21:10,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:21:10,804 INFO L134 CoverageAnalysis]: Checked inductivity of 1993 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 1978 trivial. 0 not checked. [2019-09-20 13:21:10,805 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-20 13:21:10,805 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-20 13:21:11,335 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:21:12,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:21:12,036 INFO L256 TraceCheckSpWp]: Trace formula consists of 4592 conjuncts, 3 conjunts are in the unsatisfiable core [2019-09-20 13:21:12,048 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-20 13:21:12,220 INFO L134 CoverageAnalysis]: Checked inductivity of 1993 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1990 trivial. 0 not checked. [MP z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (6)] Exception during sending of exit command (exit): Broken pipe [2019-09-20 13:21:12,235 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-20 13:21:12,236 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2019-09-20 13:21:12,237 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-20 13:21:12,237 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-20 13:21:12,240 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-20 13:21:12,240 INFO L87 Difference]: Start difference. First operand 6053 states and 8217 transitions. Second operand 6 states. [2019-09-20 13:21:12,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:21:12,811 INFO L93 Difference]: Finished difference Result 14562 states and 19646 transitions. [2019-09-20 13:21:12,811 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-09-20 13:21:12,811 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 536 [2019-09-20 13:21:12,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:21:12,848 INFO L225 Difference]: With dead ends: 14562 [2019-09-20 13:21:12,849 INFO L226 Difference]: Without dead ends: 8520 [2019-09-20 13:21:12,870 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 544 GetRequests, 537 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-09-20 13:21:12,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8520 states. [2019-09-20 13:21:13,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8520 to 8509. [2019-09-20 13:21:13,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8509 states. [2019-09-20 13:21:13,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8509 states to 8509 states and 11400 transitions. [2019-09-20 13:21:13,150 INFO L78 Accepts]: Start accepts. Automaton has 8509 states and 11400 transitions. Word has length 536 [2019-09-20 13:21:13,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:21:13,151 INFO L475 AbstractCegarLoop]: Abstraction has 8509 states and 11400 transitions. [2019-09-20 13:21:13,151 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-20 13:21:13,152 INFO L276 IsEmpty]: Start isEmpty. Operand 8509 states and 11400 transitions. [2019-09-20 13:21:13,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 551 [2019-09-20 13:21:13,160 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:21:13,161 INFO L407 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 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] [2019-09-20 13:21:13,161 INFO L418 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:21:13,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:21:13,161 INFO L82 PathProgramCache]: Analyzing trace with hash 1134351992, now seen corresponding path program 1 times [2019-09-20 13:21:13,162 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:21:13,162 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:21:13,171 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:21:13,171 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:21:13,171 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:21:13,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:21:13,744 INFO L134 CoverageAnalysis]: Checked inductivity of 2059 backedges. 11 proven. 4 refuted. 0 times theorem prover too weak. 2044 trivial. 0 not checked. [2019-09-20 13:21:13,745 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-20 13:21:13,745 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-20 13:21:14,135 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY