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-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--vfio--vfio.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-14 23:01:26,403 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-14 23:01:26,405 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-14 23:01:26,421 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-14 23:01:26,422 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-14 23:01:26,424 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-14 23:01:26,425 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-14 23:01:26,428 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-14 23:01:26,430 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-14 23:01:26,436 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-14 23:01:26,437 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-14 23:01:26,439 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-14 23:01:26,439 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-14 23:01:26,440 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-14 23:01:26,442 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-14 23:01:26,444 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-14 23:01:26,445 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-14 23:01:26,448 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-14 23:01:26,450 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-14 23:01:26,452 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-14 23:01:26,454 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-14 23:01:26,456 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-14 23:01:26,457 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-14 23:01:26,458 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-14 23:01:26,462 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-14 23:01:26,462 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-14 23:01:26,462 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-14 23:01:26,464 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-14 23:01:26,465 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-14 23:01:26,467 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-14 23:01:26,467 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-14 23:01:26,469 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-14 23:01:26,469 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-14 23:01:26,470 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-14 23:01:26,473 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-14 23:01:26,473 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-14 23:01:26,474 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-14 23:01:26,474 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-14 23:01:26,474 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-14 23:01:26,475 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-14 23:01:26,478 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-14 23:01:26,479 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-14 23:01:26,497 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-14 23:01:26,497 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-14 23:01:26,499 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-14 23:01:26,499 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-14 23:01:26,499 INFO L138 SettingsManager]: * Use SBE=true [2019-10-14 23:01:26,499 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-14 23:01:26,500 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-14 23:01:26,500 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-14 23:01:26,500 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-14 23:01:26,500 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-14 23:01:26,501 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-14 23:01:26,501 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-14 23:01:26,501 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-14 23:01:26,502 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-14 23:01:26,502 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-14 23:01:26,502 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-14 23:01:26,502 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-14 23:01:26,503 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-14 23:01:26,503 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-14 23:01:26,503 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-14 23:01:26,503 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-14 23:01:26,503 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 23:01:26,504 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-14 23:01:26,504 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-14 23:01:26,504 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-14 23:01:26,504 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-14 23:01:26,504 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-14 23:01:26,504 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-14 23:01:26,505 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-14 23:01:26,791 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-14 23:01:26,812 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-14 23:01:26,815 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-14 23:01:26,817 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-14 23:01:26,817 INFO L275 PluginConnector]: CDTParser initialized [2019-10-14 23:01:26,818 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--vfio--vfio.ko-entry_point.cil.out.i [2019-10-14 23:01:26,901 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6de72400e/3a65f9bc6c834fe8b4bc94e7388ba63d/FLAGa2e896bbd [2019-10-14 23:01:27,625 INFO L306 CDTParser]: Found 1 translation units. [2019-10-14 23:01:27,626 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--vfio--vfio.ko-entry_point.cil.out.i [2019-10-14 23:01:27,670 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6de72400e/3a65f9bc6c834fe8b4bc94e7388ba63d/FLAGa2e896bbd [2019-10-14 23:01:27,709 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6de72400e/3a65f9bc6c834fe8b4bc94e7388ba63d [2019-10-14 23:01:27,718 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-14 23:01:27,720 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-14 23:01:27,721 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-14 23:01:27,721 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-14 23:01:27,724 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-14 23:01:27,725 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:01:27" (1/1) ... [2019-10-14 23:01:27,730 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b268c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:01:27, skipping insertion in model container [2019-10-14 23:01:27,730 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:01:27" (1/1) ... [2019-10-14 23:01:27,737 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-14 23:01:27,864 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-14 23:01:29,986 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 23:01:30,075 INFO L188 MainTranslator]: Completed pre-run [2019-10-14 23:01:30,403 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 23:01:30,868 INFO L192 MainTranslator]: Completed translation [2019-10-14 23:01:30,869 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:01:30 WrapperNode [2019-10-14 23:01:30,869 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-14 23:01:30,870 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-14 23:01:30,870 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-14 23:01:30,870 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-14 23:01:30,885 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:01:30" (1/1) ... [2019-10-14 23:01:30,885 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:01:30" (1/1) ... [2019-10-14 23:01:30,969 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:01:30" (1/1) ... [2019-10-14 23:01:30,970 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:01:30" (1/1) ... [2019-10-14 23:01:31,095 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:01:30" (1/1) ... [2019-10-14 23:01:31,113 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:01:30" (1/1) ... [2019-10-14 23:01:31,140 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:01:30" (1/1) ... [2019-10-14 23:01:31,166 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-14 23:01:31,167 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-14 23:01:31,167 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-14 23:01:31,167 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-14 23:01:31,168 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:01:30" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 23:01:31,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-14 23:01:31,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-14 23:01:31,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-10-14 23:01:31,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2019-10-14 23:01:31,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2019-10-14 23:01:31,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-10-14 23:01:31,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2019-10-14 23:01:31,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~$Pointer$ [2019-10-14 23:01:31,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2019-10-14 23:01:31,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2019-10-14 23:01:31,234 INFO L138 BoogieDeclarations]: Found implementation of procedure __read_once_size [2019-10-14 23:01:31,234 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-10-14 23:01:31,234 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2019-10-14 23:01:31,234 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2019-10-14 23:01:31,234 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2019-10-14 23:01:31,235 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2019-10-14 23:01:31,235 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2019-10-14 23:01:31,235 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_sub_and_test [2019-10-14 23:01:31,235 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2019-10-14 23:01:31,237 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2019-10-14 23:01:31,238 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2019-10-14 23:01:31,238 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2019-10-14 23:01:31,239 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_cmpxchg [2019-10-14 23:01:31,239 INFO L138 BoogieDeclarations]: Found implementation of procedure __atomic_add_unless [2019-10-14 23:01:31,239 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_unless [2019-10-14 23:01:31,241 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_if_positive [2019-10-14 23:01:31,241 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_find [2019-10-14 23:01:31,241 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_init [2019-10-14 23:01:31,242 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2019-10-14 23:01:31,242 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2019-10-14 23:01:31,242 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2019-10-14 23:01:31,242 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put_mutex [2019-10-14 23:01:31,242 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2019-10-14 23:01:31,242 INFO L138 BoogieDeclarations]: Found implementation of procedure task_pid_nr [2019-10-14 23:01:31,243 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-10-14 23:01:31,243 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-14 23:01:31,243 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-10-14 23:01:31,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-14 23:01:31,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-14 23:01:31,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2019-10-14 23:01:31,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2019-10-14 23:01:31,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-14 23:01:31,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-14 23:01:31,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-14 23:01:31,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-14 23:01:31,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-14 23:01:31,244 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2019-10-14 23:01:31,244 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2019-10-14 23:01:31,245 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2019-10-14 23:01:31,245 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-10-14 23:01:31,245 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-10-14 23:01:31,245 INFO L138 BoogieDeclarations]: Found implementation of procedure fdput [2019-10-14 23:01:31,245 INFO L138 BoogieDeclarations]: Found implementation of procedure __to_fd [2019-10-14 23:01:31,245 INFO L138 BoogieDeclarations]: Found implementation of procedure fdget [2019-10-14 23:01:31,245 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2019-10-14 23:01:31,246 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2019-10-14 23:01:31,246 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_register_iommu_driver [2019-10-14 23:01:31,246 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_unregister_iommu_driver [2019-10-14 23:01:31,246 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_alloc_group_minor [2019-10-14 23:01:31,246 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_free_group_minor [2019-10-14 23:01:31,247 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_container_get [2019-10-14 23:01:31,247 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_container_release [2019-10-14 23:01:31,247 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_container_put [2019-10-14 23:01:31,247 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_unlock_and_free [2019-10-14 23:01:31,247 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_create_group [2019-10-14 23:01:31,247 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_release [2019-10-14 23:01:31,247 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_put [2019-10-14 23:01:31,248 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_get [2019-10-14 23:01:31,248 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_try_get [2019-10-14 23:01:31,248 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_get_from_iommu [2019-10-14 23:01:31,248 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_get_from_minor [2019-10-14 23:01:31,248 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_create_device [2019-10-14 23:01:31,249 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_device_release [2019-10-14 23:01:31,249 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_device_put [2019-10-14 23:01:31,249 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_device_get [2019-10-14 23:01:31,250 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_get_device [2019-10-14 23:01:31,250 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_whitelisted_driver [2019-10-14 23:01:31,250 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_dev_viable [2019-10-14 23:01:31,250 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_nb_add_dev [2019-10-14 23:01:31,250 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_nb_verify [2019-10-14 23:01:31,251 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_iommu_group_notifier [2019-10-14 23:01:31,251 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_add_group_dev [2019-10-14 23:01:31,251 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_device_get_from_dev [2019-10-14 23:01:31,251 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_device_data [2019-10-14 23:01:31,251 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_dev_present [2019-10-14 23:01:31,252 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_del_group_dev [2019-10-14 23:01:31,252 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_ioctl_check_extension [2019-10-14 23:01:31,252 INFO L138 BoogieDeclarations]: Found implementation of procedure __vfio_container_attach_groups [2019-10-14 23:01:31,253 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_ioctl_set_iommu [2019-10-14 23:01:31,253 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_fops_unl_ioctl [2019-10-14 23:01:31,253 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_fops_compat_ioctl [2019-10-14 23:01:31,254 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_fops_open [2019-10-14 23:01:31,254 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_fops_release [2019-10-14 23:01:31,254 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_fops_read [2019-10-14 23:01:31,254 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_fops_write [2019-10-14 23:01:31,254 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_fops_mmap [2019-10-14 23:01:31,255 INFO L138 BoogieDeclarations]: Found implementation of procedure __vfio_group_unset_container [2019-10-14 23:01:31,255 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_unset_container [2019-10-14 23:01:31,255 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_try_dissolve_container [2019-10-14 23:01:31,255 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_set_container [2019-10-14 23:01:31,255 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_viable [2019-10-14 23:01:31,255 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_get_device_fd [2019-10-14 23:01:31,255 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_fops_unl_ioctl [2019-10-14 23:01:31,256 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_fops_compat_ioctl [2019-10-14 23:01:31,256 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_fops_open [2019-10-14 23:01:31,256 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_fops_release [2019-10-14 23:01:31,256 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_device_fops_release [2019-10-14 23:01:31,256 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_device_fops_unl_ioctl [2019-10-14 23:01:31,256 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_device_fops_read [2019-10-14 23:01:31,257 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_device_fops_write [2019-10-14 23:01:31,257 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_device_fops_mmap [2019-10-14 23:01:31,257 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_device_fops_compat_ioctl [2019-10-14 23:01:31,257 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_get_external_user [2019-10-14 23:01:31,257 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_put_external_user [2019-10-14 23:01:31,258 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_external_user_iommu_id [2019-10-14 23:01:31,258 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_external_check_extension [2019-10-14 23:01:31,258 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_devnode [2019-10-14 23:01:31,258 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_init [2019-10-14 23:01:31,258 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_cleanup [2019-10-14 23:01:31,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_2 [2019-10-14 23:01:31,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_1 [2019-10-14 23:01:31,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_3 [2019-10-14 23:01:31,259 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-14 23:01:31,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2019-10-14 23:01:31,260 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2019-10-14 23:01:31,260 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2019-10-14 23:01:31,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get_5 [2019-10-14 23:01:31,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_6 [2019-10-14 23:01:31,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get_7 [2019-10-14 23:01:31,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_8 [2019-10-14 23:01:31,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_9 [2019-10-14 23:01:31,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_10 [2019-10-14 23:01:31,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_11 [2019-10-14 23:01:31,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_misc_register_12 [2019-10-14 23:01:31,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_cdev_init_13 [2019-10-14 23:01:31,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_misc_deregister_14 [2019-10-14 23:01:31,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_cdev_del_15 [2019-10-14 23:01:31,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_misc_deregister_16 [2019-10-14 23:01:31,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-14 23:01:31,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-14 23:01:31,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-10-14 23:01:31,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-10-14 23:01:31,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-10-14 23:01:31,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_get [2019-10-14 23:01:31,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get [2019-10-14 23:01:31,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2019-10-14 23:01:31,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_and_exit [2019-10-14 23:01:31,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_refcount [2019-10-14 23:01:31,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-14 23:01:31,275 INFO L138 BoogieDeclarations]: Found implementation of procedure __class_create [2019-10-14 23:01:31,276 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_from_user_overflow [2019-10-14 23:01:31,276 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_to_user_overflow [2019-10-14 23:01:31,276 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2019-10-14 23:01:31,276 INFO L138 BoogieDeclarations]: Found implementation of procedure __fdget [2019-10-14 23:01:31,276 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_rwsem [2019-10-14 23:01:31,276 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2019-10-14 23:01:31,276 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2019-10-14 23:01:31,277 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2019-10-14 23:01:31,277 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2019-10-14 23:01:31,277 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2019-10-14 23:01:31,277 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_module [2019-10-14 23:01:31,278 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2019-10-14 23:01:31,278 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2019-10-14 23:01:31,278 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2019-10-14 23:01:31,278 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_chrdev_region [2019-10-14 23:01:31,278 INFO L138 BoogieDeclarations]: Found implementation of procedure anon_inode_getfile [2019-10-14 23:01:31,279 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_add [2019-10-14 23:01:31,279 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_del [2019-10-14 23:01:31,279 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_init [2019-10-14 23:01:31,279 INFO L138 BoogieDeclarations]: Found implementation of procedure class_destroy [2019-10-14 23:01:31,279 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2019-10-14 23:01:31,279 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2019-10-14 23:01:31,279 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create [2019-10-14 23:01:31,279 INFO L138 BoogieDeclarations]: Found implementation of procedure device_destroy [2019-10-14 23:01:31,280 INFO L138 BoogieDeclarations]: Found implementation of procedure down_read [2019-10-14 23:01:31,280 INFO L138 BoogieDeclarations]: Found implementation of procedure down_write [2019-10-14 23:01:31,280 INFO L138 BoogieDeclarations]: Found implementation of procedure fd_install [2019-10-14 23:01:31,280 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2019-10-14 23:01:31,280 INFO L138 BoogieDeclarations]: Found implementation of procedure fput [2019-10-14 23:01:31,280 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unused_fd_flags [2019-10-14 23:01:31,280 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_alloc [2019-10-14 23:01:31,281 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_destroy [2019-10-14 23:01:31,281 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_find_slowpath [2019-10-14 23:01:31,281 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_init [2019-10-14 23:01:31,281 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_remove [2019-10-14 23:01:31,281 INFO L138 BoogieDeclarations]: Found implementation of procedure iommu_group_for_each_dev [2019-10-14 23:01:31,281 INFO L138 BoogieDeclarations]: Found implementation of procedure iommu_group_get [2019-10-14 23:01:31,281 INFO L138 BoogieDeclarations]: Found implementation of procedure iommu_group_id [2019-10-14 23:01:31,281 INFO L138 BoogieDeclarations]: Found implementation of procedure iommu_group_put [2019-10-14 23:01:31,282 INFO L138 BoogieDeclarations]: Found implementation of procedure iommu_group_register_notifier [2019-10-14 23:01:31,282 INFO L138 BoogieDeclarations]: Found implementation of procedure iommu_group_unregister_notifier [2019-10-14 23:01:31,282 INFO L138 BoogieDeclarations]: Found implementation of procedure kasprintf [2019-10-14 23:01:31,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-14 23:01:31,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_open_1 [2019-10-14 23:01:31,282 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2019-10-14 23:01:31,282 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_deregister [2019-10-14 23:01:31,282 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_register [2019-10-14 23:01:31,283 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2019-10-14 23:01:31,283 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-10-14 23:01:31,283 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2019-10-14 23:01:31,283 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-14 23:01:31,283 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unused_fd [2019-10-14 23:01:31,283 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2019-10-14 23:01:31,283 INFO L138 BoogieDeclarations]: Found implementation of procedure strndup_user [2019-10-14 23:01:31,283 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev_region [2019-10-14 23:01:31,284 INFO L138 BoogieDeclarations]: Found implementation of procedure up_read [2019-10-14 23:01:31,284 INFO L138 BoogieDeclarations]: Found implementation of procedure up_write [2019-10-14 23:01:31,284 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_fmt [2019-10-14 23:01:31,285 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2019-10-14 23:01:31,285 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-14 23:01:31,286 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-14 23:01:31,286 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-14 23:01:31,286 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-14 23:01:31,286 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-10-14 23:01:31,286 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-14 23:01:31,286 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-14 23:01:31,287 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-14 23:01:31,287 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-14 23:01:31,287 INFO L130 BoogieDeclarations]: Found specification of procedure __read_once_size [2019-10-14 23:01:31,287 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-10-14 23:01:31,287 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-14 23:01:31,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-14 23:01:31,287 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-14 23:01:31,287 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2019-10-14 23:01:31,288 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2019-10-14 23:01:31,288 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2019-10-14 23:01:31,288 INFO L130 BoogieDeclarations]: Found specification of procedure kasprintf [2019-10-14 23:01:31,288 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-14 23:01:31,288 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-10-14 23:01:31,288 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-10-14 23:01:31,289 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-10-14 23:01:31,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-14 23:01:31,289 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2019-10-14 23:01:31,289 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2019-10-14 23:01:31,289 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-14 23:01:31,289 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2019-10-14 23:01:31,289 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2019-10-14 23:01:31,290 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2019-10-14 23:01:31,290 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_fmt [2019-10-14 23:01:31,290 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2019-10-14 23:01:31,290 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2019-10-14 23:01:31,290 INFO L130 BoogieDeclarations]: Found specification of procedure strndup_user [2019-10-14 23:01:31,290 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-14 23:01:31,290 INFO L130 BoogieDeclarations]: Found specification of procedure strcmp [2019-10-14 23:01:31,291 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2019-10-14 23:01:31,291 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2019-10-14 23:01:31,291 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2019-10-14 23:01:31,291 INFO L130 BoogieDeclarations]: Found specification of procedure __cmpxchg_wrong_size [2019-10-14 23:01:31,291 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2019-10-14 23:01:31,291 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2019-10-14 23:01:31,291 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2019-10-14 23:01:31,291 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_sub_and_test [2019-10-14 23:01:31,292 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2019-10-14 23:01:31,292 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2019-10-14 23:01:31,292 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2019-10-14 23:01:31,292 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2019-10-14 23:01:31,292 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_cmpxchg [2019-10-14 23:01:31,292 INFO L130 BoogieDeclarations]: Found specification of procedure __atomic_add_unless [2019-10-14 23:01:31,292 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_unless [2019-10-14 23:01:31,292 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_if_positive [2019-10-14 23:01:31,293 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2019-10-14 23:01:31,293 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2019-10-14 23:01:31,293 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2019-10-14 23:01:31,293 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2019-10-14 23:01:31,293 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2019-10-14 23:01:31,293 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2019-10-14 23:01:31,294 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-10-14 23:01:31,299 INFO L130 BoogieDeclarations]: Found specification of procedure __init_rwsem [2019-10-14 23:01:31,299 INFO L130 BoogieDeclarations]: Found specification of procedure down_read [2019-10-14 23:01:31,299 INFO L130 BoogieDeclarations]: Found specification of procedure down_write [2019-10-14 23:01:31,299 INFO L130 BoogieDeclarations]: Found specification of procedure up_read [2019-10-14 23:01:31,299 INFO L130 BoogieDeclarations]: Found specification of procedure up_write [2019-10-14 23:01:31,301 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2019-10-14 23:01:31,301 INFO L130 BoogieDeclarations]: Found specification of procedure __request_module [2019-10-14 23:01:31,302 INFO L130 BoogieDeclarations]: Found specification of procedure idr_find_slowpath [2019-10-14 23:01:31,302 INFO L130 BoogieDeclarations]: Found specification of procedure idr_alloc [2019-10-14 23:01:31,302 INFO L130 BoogieDeclarations]: Found specification of procedure idr_remove [2019-10-14 23:01:31,303 INFO L130 BoogieDeclarations]: Found specification of procedure idr_destroy [2019-10-14 23:01:31,303 INFO L130 BoogieDeclarations]: Found specification of procedure idr_init [2019-10-14 23:01:31,303 INFO L130 BoogieDeclarations]: Found specification of procedure idr_find [2019-10-14 23:01:31,303 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-14 23:01:31,303 INFO L130 BoogieDeclarations]: Found specification of procedure kref_init [2019-10-14 23:01:31,303 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2019-10-14 23:01:31,303 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2019-10-14 23:01:31,304 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-10-14 23:01:31,304 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2019-10-14 23:01:31,304 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put_mutex [2019-10-14 23:01:31,304 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2019-10-14 23:01:31,304 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get_5 [2019-10-14 23:01:31,304 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get_7 [2019-10-14 23:01:31,305 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_6 [2019-10-14 23:01:31,305 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_8 [2019-10-14 23:01:31,305 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_9 [2019-10-14 23:01:31,305 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_10 [2019-10-14 23:01:31,305 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_11 [2019-10-14 23:01:31,305 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get [2019-10-14 23:01:31,305 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2019-10-14 23:01:31,306 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2019-10-14 23:01:31,307 INFO L130 BoogieDeclarations]: Found specification of procedure task_pid_nr [2019-10-14 23:01:31,307 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-14 23:01:31,307 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-14 23:01:31,307 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-10-14 23:01:31,307 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-14 23:01:31,307 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-10-14 23:01:31,307 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-14 23:01:31,307 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-14 23:01:31,308 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-14 23:01:31,308 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-14 23:01:31,308 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-14 23:01:31,308 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-14 23:01:31,308 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-14 23:01:31,308 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-14 23:01:31,308 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-14 23:01:31,308 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2019-10-14 23:01:31,309 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2019-10-14 23:01:31,309 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-14 23:01:31,309 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-14 23:01:31,309 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-14 23:01:31,309 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-14 23:01:31,309 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-14 23:01:31,309 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_2 [2019-10-14 23:01:31,310 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_1 [2019-10-14 23:01:31,310 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_3 [2019-10-14 23:01:31,310 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_init [2019-10-14 23:01:31,310 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_cdev_init_13 [2019-10-14 23:01:31,310 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_add [2019-10-14 23:01:31,310 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_del [2019-10-14 23:01:31,310 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_cdev_del_15 [2019-10-14 23:01:31,310 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2019-10-14 23:01:31,310 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_chrdev_region [2019-10-14 23:01:31,311 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev_region [2019-10-14 23:01:31,311 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2019-10-14 23:01:31,311 INFO L130 BoogieDeclarations]: Found specification of procedure __class_create [2019-10-14 23:01:31,311 INFO L130 BoogieDeclarations]: Found specification of procedure class_destroy [2019-10-14 23:01:31,311 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2019-10-14 23:01:31,311 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-10-14 23:01:31,311 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-10-14 23:01:31,311 INFO L130 BoogieDeclarations]: Found specification of procedure device_create [2019-10-14 23:01:31,312 INFO L130 BoogieDeclarations]: Found specification of procedure device_destroy [2019-10-14 23:01:31,312 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2019-10-14 23:01:31,312 INFO L130 BoogieDeclarations]: Found specification of procedure fput [2019-10-14 23:01:31,312 INFO L130 BoogieDeclarations]: Found specification of procedure fdput [2019-10-14 23:01:31,312 INFO L130 BoogieDeclarations]: Found specification of procedure __fdget [2019-10-14 23:01:31,312 INFO L130 BoogieDeclarations]: Found specification of procedure __to_fd [2019-10-14 23:01:31,312 INFO L130 BoogieDeclarations]: Found specification of procedure fdget [2019-10-14 23:01:31,312 INFO L130 BoogieDeclarations]: Found specification of procedure get_unused_fd_flags [2019-10-14 23:01:31,312 INFO L130 BoogieDeclarations]: Found specification of procedure put_unused_fd [2019-10-14 23:01:31,313 INFO L130 BoogieDeclarations]: Found specification of procedure fd_install [2019-10-14 23:01:31,313 INFO L130 BoogieDeclarations]: Found specification of procedure anon_inode_getfile [2019-10-14 23:01:31,313 INFO L130 BoogieDeclarations]: Found specification of procedure iommu_group_for_each_dev [2019-10-14 23:01:31,313 INFO L130 BoogieDeclarations]: Found specification of procedure iommu_group_get [2019-10-14 23:01:31,313 INFO L130 BoogieDeclarations]: Found specification of procedure iommu_group_put [2019-10-14 23:01:31,313 INFO L130 BoogieDeclarations]: Found specification of procedure iommu_group_register_notifier [2019-10-14 23:01:31,313 INFO L130 BoogieDeclarations]: Found specification of procedure iommu_group_unregister_notifier [2019-10-14 23:01:31,313 INFO L130 BoogieDeclarations]: Found specification of procedure iommu_group_id [2019-10-14 23:01:31,314 INFO L130 BoogieDeclarations]: Found specification of procedure misc_register [2019-10-14 23:01:31,314 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_misc_register_12 [2019-10-14 23:01:31,314 INFO L130 BoogieDeclarations]: Found specification of procedure misc_deregister [2019-10-14 23:01:31,314 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_misc_deregister_14 [2019-10-14 23:01:31,314 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_misc_deregister_16 [2019-10-14 23:01:31,314 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2019-10-14 23:01:31,314 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2019-10-14 23:01:31,314 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_from_user_overflow [2019-10-14 23:01:31,315 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_to_user_overflow [2019-10-14 23:01:31,315 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2019-10-14 23:01:31,315 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2019-10-14 23:01:31,315 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_add_group_dev [2019-10-14 23:01:31,315 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_del_group_dev [2019-10-14 23:01:31,315 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_device_get_from_dev [2019-10-14 23:01:31,315 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_device_put [2019-10-14 23:01:31,315 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_device_data [2019-10-14 23:01:31,315 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_register_iommu_driver [2019-10-14 23:01:31,316 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_unregister_iommu_driver [2019-10-14 23:01:31,316 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_get_external_user [2019-10-14 23:01:31,316 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_put_external_user [2019-10-14 23:01:31,316 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_external_user_iommu_id [2019-10-14 23:01:31,316 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_external_check_extension [2019-10-14 23:01:31,316 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_alloc_group_minor [2019-10-14 23:01:31,316 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_free_group_minor [2019-10-14 23:01:31,316 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_iommu_group_notifier [2019-10-14 23:01:31,317 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_get [2019-10-14 23:01:31,317 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_container_get [2019-10-14 23:01:31,317 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_container_release [2019-10-14 23:01:31,317 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_container_put [2019-10-14 23:01:31,317 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_unlock_and_free [2019-10-14 23:01:31,317 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_create_group [2019-10-14 23:01:31,317 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_release [2019-10-14 23:01:31,317 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_put [2019-10-14 23:01:31,318 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_try_get [2019-10-14 23:01:31,318 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_get_from_iommu [2019-10-14 23:01:31,318 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_get_from_minor [2019-10-14 23:01:31,318 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_create_device [2019-10-14 23:01:31,318 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_device_release [2019-10-14 23:01:31,318 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_device_get [2019-10-14 23:01:31,318 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_get_device [2019-10-14 23:01:31,319 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_whitelisted_driver [2019-10-14 23:01:31,319 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_dev_viable [2019-10-14 23:01:31,319 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_nb_add_dev [2019-10-14 23:01:31,319 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_nb_verify [2019-10-14 23:01:31,320 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_dev_present [2019-10-14 23:01:31,320 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2019-10-14 23:01:31,320 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_ioctl_check_extension [2019-10-14 23:01:31,320 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2019-10-14 23:01:31,320 INFO L130 BoogieDeclarations]: Found specification of procedure __vfio_container_attach_groups [2019-10-14 23:01:31,320 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-10-14 23:01:31,320 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2019-10-14 23:01:31,320 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_ioctl_set_iommu [2019-10-14 23:01:31,321 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~$Pointer$ [2019-10-14 23:01:31,321 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_fops_unl_ioctl [2019-10-14 23:01:31,321 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_fops_compat_ioctl [2019-10-14 23:01:31,321 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_fops_open [2019-10-14 23:01:31,321 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_fops_release [2019-10-14 23:01:31,321 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_fops_read [2019-10-14 23:01:31,321 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2019-10-14 23:01:31,321 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_fops_write [2019-10-14 23:01:31,322 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_fops_mmap [2019-10-14 23:01:31,322 INFO L130 BoogieDeclarations]: Found specification of procedure __vfio_group_unset_container [2019-10-14 23:01:31,322 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_unset_container [2019-10-14 23:01:31,322 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_try_dissolve_container [2019-10-14 23:01:31,322 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_set_container [2019-10-14 23:01:31,322 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_viable [2019-10-14 23:01:31,322 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_get_device_fd [2019-10-14 23:01:31,322 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2019-10-14 23:01:31,322 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_fops_unl_ioctl [2019-10-14 23:01:31,323 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_fops_compat_ioctl [2019-10-14 23:01:31,323 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_fops_open [2019-10-14 23:01:31,323 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_fops_release [2019-10-14 23:01:31,323 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_device_fops_release [2019-10-14 23:01:31,323 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_device_fops_unl_ioctl [2019-10-14 23:01:31,323 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_device_fops_read [2019-10-14 23:01:31,323 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_device_fops_write [2019-10-14 23:01:31,323 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_device_fops_mmap [2019-10-14 23:01:31,323 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_device_fops_compat_ioctl [2019-10-14 23:01:31,324 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_devnode [2019-10-14 23:01:31,324 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_init [2019-10-14 23:01:31,324 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_cleanup [2019-10-14 23:01:31,324 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_open_1 [2019-10-14 23:01:31,324 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-14 23:01:31,324 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-14 23:01:31,324 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-14 23:01:31,324 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-14 23:01:31,324 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-10-14 23:01:31,325 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_get [2019-10-14 23:01:31,325 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_and_exit [2019-10-14 23:01:31,325 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_refcount [2019-10-14 23:01:31,325 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-14 23:01:31,325 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-10-14 23:01:31,325 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-14 23:01:31,325 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-14 23:01:31,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-14 23:01:31,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-14 23:01:31,326 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-14 23:01:31,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-14 23:01:31,326 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-14 23:01:31,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-14 23:01:31,326 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-14 23:01:32,369 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-14 23:01:36,402 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_module_put_and_exitFINAL: assume true; [2019-10-14 23:01:36,909 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-14 23:01:36,910 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-14 23:01:36,915 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:01:36 BoogieIcfgContainer [2019-10-14 23:01:36,915 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-14 23:01:36,916 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-14 23:01:36,916 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-14 23:01:36,920 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-14 23:01:36,920 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 11:01:27" (1/3) ... [2019-10-14 23:01:36,921 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45cd9b01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:01:36, skipping insertion in model container [2019-10-14 23:01:36,921 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:01:30" (2/3) ... [2019-10-14 23:01:36,922 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45cd9b01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:01:36, skipping insertion in model container [2019-10-14 23:01:36,922 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:01:36" (3/3) ... [2019-10-14 23:01:36,924 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--vfio--vfio.ko-entry_point.cil.out.i [2019-10-14 23:01:36,934 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-14 23:01:36,947 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-14 23:01:36,958 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-14 23:01:37,001 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-14 23:01:37,001 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-14 23:01:37,001 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-14 23:01:37,001 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-14 23:01:37,001 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-14 23:01:37,001 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-14 23:01:37,001 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-14 23:01:37,001 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-14 23:01:37,054 INFO L276 IsEmpty]: Start isEmpty. Operand 1853 states. [2019-10-14 23:01:37,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 351 [2019-10-14 23:01:37,106 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:01:37,107 INFO L380 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 10, 10, 10, 10, 10, 10, 10, 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] [2019-10-14 23:01:37,110 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:01:37,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:01:37,116 INFO L82 PathProgramCache]: Analyzing trace with hash -198137817, now seen corresponding path program 1 times [2019-10-14 23:01:37,126 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:01:37,126 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1234284405] [2019-10-14 23:01:37,126 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:01:37,127 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:01:37,127 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:01:37,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:01:40,361 WARN L191 SmtUtils]: Spent 2.26 s on a formula simplification that was a NOOP. DAG size: 652 [2019-10-14 23:01:40,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:01:40,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:01:40,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:01:40,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:01:40,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:01:40,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:01:40,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:01:40,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:01:40,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:01:40,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:01:40,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:01:40,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:01:40,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:01:40,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:01:40,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:01:40,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:01:40,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:01:40,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:01:40,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:01:40,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:01:40,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:01:40,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:01:40,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:01:40,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:01:40,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:01:40,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:01:40,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:01:40,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:01:40,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:01:40,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:01:40,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:01:40,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:01:40,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:01:40,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:01:40,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:01:40,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:01:40,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:01:40,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:01:40,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:01:40,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:01:40,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:01:40,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:01:40,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:01:40,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:01:40,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:01:40,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:01:40,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:01:40,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:01:40,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:01:40,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:01:40,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:01:40,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:01:40,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:01:40,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:01:40,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:01:41,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:01:41,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:01:41,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:01:41,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:01:41,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:01:41,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:01:41,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:01:41,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:01:41,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:01:41,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:01:41,555 INFO L134 CoverageAnalysis]: Checked inductivity of 1443 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1443 trivial. 0 not checked. [2019-10-14 23:01:41,555 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1234284405] [2019-10-14 23:01:41,556 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:01:41,556 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-14 23:01:41,557 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1260812950] [2019-10-14 23:01:41,565 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-14 23:01:41,565 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:01:41,579 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-14 23:01:41,579 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2019-10-14 23:01:41,581 INFO L87 Difference]: Start difference. First operand 1853 states. Second operand 9 states. [2019-10-14 23:01:49,574 WARN L191 SmtUtils]: Spent 2.13 s on a formula simplification that was a NOOP. DAG size: 654