/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -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-fb55353 [2019-11-06 20:58:15,951 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-06 20:58:15,954 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-06 20:58:15,972 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-06 20:58:15,972 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-06 20:58:15,974 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-06 20:58:15,976 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-06 20:58:15,986 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-06 20:58:15,990 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-06 20:58:15,993 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-06 20:58:15,996 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-06 20:58:15,998 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-06 20:58:15,998 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-06 20:58:16,000 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-06 20:58:16,002 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-06 20:58:16,004 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-06 20:58:16,006 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-06 20:58:16,007 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-06 20:58:16,008 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-06 20:58:16,013 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-06 20:58:16,018 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-06 20:58:16,021 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-06 20:58:16,025 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-06 20:58:16,026 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-06 20:58:16,029 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-06 20:58:16,029 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-06 20:58:16,029 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-06 20:58:16,031 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-06 20:58:16,031 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-06 20:58:16,033 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-06 20:58:16,034 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-06 20:58:16,034 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-06 20:58:16,035 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-06 20:58:16,036 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-06 20:58:16,037 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-06 20:58:16,038 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-06 20:58:16,038 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-06 20:58:16,039 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-06 20:58:16,039 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-06 20:58:16,039 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-06 20:58:16,040 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-06 20:58:16,041 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-06 20:58:16,081 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-06 20:58:16,081 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-06 20:58:16,083 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-06 20:58:16,083 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-06 20:58:16,083 INFO L138 SettingsManager]: * Use SBE=true [2019-11-06 20:58:16,083 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-06 20:58:16,083 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-06 20:58:16,085 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-06 20:58:16,086 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-06 20:58:16,086 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-06 20:58:16,086 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-06 20:58:16,086 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-06 20:58:16,086 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-06 20:58:16,087 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-06 20:58:16,087 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-06 20:58:16,087 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-06 20:58:16,087 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-06 20:58:16,087 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-06 20:58:16,088 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-06 20:58:16,088 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-06 20:58:16,088 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-06 20:58:16,088 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-06 20:58:16,088 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-06 20:58:16,089 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-06 20:58:16,090 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-06 20:58:16,090 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-06 20:58:16,091 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-06 20:58:16,091 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-06 20:58:16,091 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-06 20:58:16,365 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-06 20:58:16,387 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-06 20:58:16,391 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-06 20:58:16,393 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-06 20:58:16,393 INFO L275 PluginConnector]: CDTParser initialized [2019-11-06 20:58:16,394 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--vfio--vfio.ko-entry_point.cil.out.i [2019-11-06 20:58:16,473 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c50efd06/f7ceeba2a1d546c2a59d475f83f87942/FLAGc29f2d9b4 [2019-11-06 20:58:17,348 INFO L306 CDTParser]: Found 1 translation units. [2019-11-06 20:58:17,351 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--vfio--vfio.ko-entry_point.cil.out.i [2019-11-06 20:58:17,407 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c50efd06/f7ceeba2a1d546c2a59d475f83f87942/FLAGc29f2d9b4 [2019-11-06 20:58:17,813 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c50efd06/f7ceeba2a1d546c2a59d475f83f87942 [2019-11-06 20:58:17,822 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-06 20:58:17,824 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-06 20:58:17,825 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-06 20:58:17,825 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-06 20:58:17,829 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-06 20:58:17,830 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 08:58:17" (1/1) ... [2019-11-06 20:58:17,833 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45e69e7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:58:17, skipping insertion in model container [2019-11-06 20:58:17,833 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 08:58:17" (1/1) ... [2019-11-06 20:58:17,840 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-06 20:58:17,966 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-06 20:58:19,835 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 20:58:19,888 INFO L188 MainTranslator]: Completed pre-run [2019-11-06 20:58:20,217 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 20:58:20,751 INFO L192 MainTranslator]: Completed translation [2019-11-06 20:58:20,752 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:58:20 WrapperNode [2019-11-06 20:58:20,752 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-06 20:58:20,753 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-06 20:58:20,753 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-06 20:58:20,753 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-06 20:58:20,767 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:58:20" (1/1) ... [2019-11-06 20:58:20,767 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:58:20" (1/1) ... [2019-11-06 20:58:20,893 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:58:20" (1/1) ... [2019-11-06 20:58:20,894 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:58:20" (1/1) ... [2019-11-06 20:58:21,048 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:58:20" (1/1) ... [2019-11-06 20:58:21,082 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:58:20" (1/1) ... [2019-11-06 20:58:21,113 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:58:20" (1/1) ... [2019-11-06 20:58:21,146 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-06 20:58:21,146 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-06 20:58:21,147 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-06 20:58:21,148 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-06 20:58:21,149 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:58:20" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-06 20:58:21,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-06 20:58:21,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-06 20:58:21,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-11-06 20:58:21,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2019-11-06 20:58:21,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2019-11-06 20:58:21,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-11-06 20:58:21,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2019-11-06 20:58:21,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~$Pointer$ [2019-11-06 20:58:21,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2019-11-06 20:58:21,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2019-11-06 20:58:21,221 INFO L138 BoogieDeclarations]: Found implementation of procedure __read_once_size [2019-11-06 20:58:21,222 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-11-06 20:58:21,222 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2019-11-06 20:58:21,222 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2019-11-06 20:58:21,222 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2019-11-06 20:58:21,222 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2019-11-06 20:58:21,223 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2019-11-06 20:58:21,223 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_sub_and_test [2019-11-06 20:58:21,223 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2019-11-06 20:58:21,224 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2019-11-06 20:58:21,224 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2019-11-06 20:58:21,224 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2019-11-06 20:58:21,225 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_cmpxchg [2019-11-06 20:58:21,225 INFO L138 BoogieDeclarations]: Found implementation of procedure __atomic_add_unless [2019-11-06 20:58:21,225 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_unless [2019-11-06 20:58:21,225 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_if_positive [2019-11-06 20:58:21,225 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_find [2019-11-06 20:58:21,225 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_init [2019-11-06 20:58:21,226 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2019-11-06 20:58:21,226 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2019-11-06 20:58:21,226 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2019-11-06 20:58:21,226 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put_mutex [2019-11-06 20:58:21,226 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2019-11-06 20:58:21,226 INFO L138 BoogieDeclarations]: Found implementation of procedure task_pid_nr [2019-11-06 20:58:21,227 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-11-06 20:58:21,227 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-11-06 20:58:21,227 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-11-06 20:58:21,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-11-06 20:58:21,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-11-06 20:58:21,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2019-11-06 20:58:21,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2019-11-06 20:58:21,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-11-06 20:58:21,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-11-06 20:58:21,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-11-06 20:58:21,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-11-06 20:58:21,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-11-06 20:58:21,229 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2019-11-06 20:58:21,229 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2019-11-06 20:58:21,229 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2019-11-06 20:58:21,229 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-11-06 20:58:21,229 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-11-06 20:58:21,230 INFO L138 BoogieDeclarations]: Found implementation of procedure fdput [2019-11-06 20:58:21,230 INFO L138 BoogieDeclarations]: Found implementation of procedure __to_fd [2019-11-06 20:58:21,230 INFO L138 BoogieDeclarations]: Found implementation of procedure fdget [2019-11-06 20:58:21,230 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2019-11-06 20:58:21,230 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2019-11-06 20:58:21,230 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_register_iommu_driver [2019-11-06 20:58:21,231 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_unregister_iommu_driver [2019-11-06 20:58:21,231 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_alloc_group_minor [2019-11-06 20:58:21,231 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_free_group_minor [2019-11-06 20:58:21,231 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_container_get [2019-11-06 20:58:21,231 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_container_release [2019-11-06 20:58:21,231 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_container_put [2019-11-06 20:58:21,232 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_unlock_and_free [2019-11-06 20:58:21,232 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_create_group [2019-11-06 20:58:21,232 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_release [2019-11-06 20:58:21,232 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_put [2019-11-06 20:58:21,232 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_get [2019-11-06 20:58:21,233 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_try_get [2019-11-06 20:58:21,233 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_get_from_iommu [2019-11-06 20:58:21,233 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_get_from_minor [2019-11-06 20:58:21,233 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_create_device [2019-11-06 20:58:21,233 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_device_release [2019-11-06 20:58:21,233 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_device_put [2019-11-06 20:58:21,233 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_device_get [2019-11-06 20:58:21,234 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_get_device [2019-11-06 20:58:21,234 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_whitelisted_driver [2019-11-06 20:58:21,234 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_dev_viable [2019-11-06 20:58:21,234 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_nb_add_dev [2019-11-06 20:58:21,234 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_nb_verify [2019-11-06 20:58:21,234 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_iommu_group_notifier [2019-11-06 20:58:21,235 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_add_group_dev [2019-11-06 20:58:21,235 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_device_get_from_dev [2019-11-06 20:58:21,235 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_device_data [2019-11-06 20:58:21,235 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_dev_present [2019-11-06 20:58:21,235 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_del_group_dev [2019-11-06 20:58:21,235 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_ioctl_check_extension [2019-11-06 20:58:21,236 INFO L138 BoogieDeclarations]: Found implementation of procedure __vfio_container_attach_groups [2019-11-06 20:58:21,236 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_ioctl_set_iommu [2019-11-06 20:58:21,236 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_fops_unl_ioctl [2019-11-06 20:58:21,236 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_fops_compat_ioctl [2019-11-06 20:58:21,236 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_fops_open [2019-11-06 20:58:21,236 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_fops_release [2019-11-06 20:58:21,236 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_fops_read [2019-11-06 20:58:21,237 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_fops_write [2019-11-06 20:58:21,237 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_fops_mmap [2019-11-06 20:58:21,237 INFO L138 BoogieDeclarations]: Found implementation of procedure __vfio_group_unset_container [2019-11-06 20:58:21,237 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_unset_container [2019-11-06 20:58:21,237 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_try_dissolve_container [2019-11-06 20:58:21,237 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_set_container [2019-11-06 20:58:21,238 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_viable [2019-11-06 20:58:21,238 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_get_device_fd [2019-11-06 20:58:21,238 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_fops_unl_ioctl [2019-11-06 20:58:21,238 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_fops_compat_ioctl [2019-11-06 20:58:21,238 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_fops_open [2019-11-06 20:58:21,238 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_fops_release [2019-11-06 20:58:21,239 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_device_fops_release [2019-11-06 20:58:21,239 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_device_fops_unl_ioctl [2019-11-06 20:58:21,239 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_device_fops_read [2019-11-06 20:58:21,239 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_device_fops_write [2019-11-06 20:58:21,239 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_device_fops_mmap [2019-11-06 20:58:21,239 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_device_fops_compat_ioctl [2019-11-06 20:58:21,239 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_get_external_user [2019-11-06 20:58:21,240 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_put_external_user [2019-11-06 20:58:21,240 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_external_user_iommu_id [2019-11-06 20:58:21,240 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_external_check_extension [2019-11-06 20:58:21,240 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_devnode [2019-11-06 20:58:21,240 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_init [2019-11-06 20:58:21,240 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_cleanup [2019-11-06 20:58:21,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_2 [2019-11-06 20:58:21,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_1 [2019-11-06 20:58:21,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_3 [2019-11-06 20:58:21,241 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-06 20:58:21,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2019-11-06 20:58:21,241 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2019-11-06 20:58:21,241 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2019-11-06 20:58:21,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get_5 [2019-11-06 20:58:21,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_6 [2019-11-06 20:58:21,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get_7 [2019-11-06 20:58:21,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_8 [2019-11-06 20:58:21,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_9 [2019-11-06 20:58:21,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_10 [2019-11-06 20:58:21,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_11 [2019-11-06 20:58:21,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_misc_register_12 [2019-11-06 20:58:21,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_cdev_init_13 [2019-11-06 20:58:21,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_misc_deregister_14 [2019-11-06 20:58:21,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_cdev_del_15 [2019-11-06 20:58:21,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_misc_deregister_16 [2019-11-06 20:58:21,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-11-06 20:58:21,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-11-06 20:58:21,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-11-06 20:58:21,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-11-06 20:58:21,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-11-06 20:58:21,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_get [2019-11-06 20:58:21,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get [2019-11-06 20:58:21,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2019-11-06 20:58:21,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_and_exit [2019-11-06 20:58:21,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_refcount [2019-11-06 20:58:21,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-11-06 20:58:21,245 INFO L138 BoogieDeclarations]: Found implementation of procedure __class_create [2019-11-06 20:58:21,245 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_from_user_overflow [2019-11-06 20:58:21,246 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_to_user_overflow [2019-11-06 20:58:21,246 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2019-11-06 20:58:21,246 INFO L138 BoogieDeclarations]: Found implementation of procedure __fdget [2019-11-06 20:58:21,246 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_rwsem [2019-11-06 20:58:21,246 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2019-11-06 20:58:21,246 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2019-11-06 20:58:21,246 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2019-11-06 20:58:21,247 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2019-11-06 20:58:21,247 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2019-11-06 20:58:21,247 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_module [2019-11-06 20:58:21,247 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2019-11-06 20:58:21,247 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2019-11-06 20:58:21,247 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2019-11-06 20:58:21,247 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_chrdev_region [2019-11-06 20:58:21,247 INFO L138 BoogieDeclarations]: Found implementation of procedure anon_inode_getfile [2019-11-06 20:58:21,248 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_add [2019-11-06 20:58:21,248 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_del [2019-11-06 20:58:21,248 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_init [2019-11-06 20:58:21,248 INFO L138 BoogieDeclarations]: Found implementation of procedure class_destroy [2019-11-06 20:58:21,248 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2019-11-06 20:58:21,248 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2019-11-06 20:58:21,248 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create [2019-11-06 20:58:21,249 INFO L138 BoogieDeclarations]: Found implementation of procedure device_destroy [2019-11-06 20:58:21,249 INFO L138 BoogieDeclarations]: Found implementation of procedure down_read [2019-11-06 20:58:21,249 INFO L138 BoogieDeclarations]: Found implementation of procedure down_write [2019-11-06 20:58:21,249 INFO L138 BoogieDeclarations]: Found implementation of procedure fd_install [2019-11-06 20:58:21,249 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2019-11-06 20:58:21,249 INFO L138 BoogieDeclarations]: Found implementation of procedure fput [2019-11-06 20:58:21,249 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unused_fd_flags [2019-11-06 20:58:21,250 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_alloc [2019-11-06 20:58:21,250 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_destroy [2019-11-06 20:58:21,250 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_find_slowpath [2019-11-06 20:58:21,250 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_init [2019-11-06 20:58:21,250 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_remove [2019-11-06 20:58:21,250 INFO L138 BoogieDeclarations]: Found implementation of procedure iommu_group_for_each_dev [2019-11-06 20:58:21,250 INFO L138 BoogieDeclarations]: Found implementation of procedure iommu_group_get [2019-11-06 20:58:21,251 INFO L138 BoogieDeclarations]: Found implementation of procedure iommu_group_id [2019-11-06 20:58:21,251 INFO L138 BoogieDeclarations]: Found implementation of procedure iommu_group_put [2019-11-06 20:58:21,251 INFO L138 BoogieDeclarations]: Found implementation of procedure iommu_group_register_notifier [2019-11-06 20:58:21,251 INFO L138 BoogieDeclarations]: Found implementation of procedure iommu_group_unregister_notifier [2019-11-06 20:58:21,251 INFO L138 BoogieDeclarations]: Found implementation of procedure kasprintf [2019-11-06 20:58:21,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-11-06 20:58:21,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_open_1 [2019-11-06 20:58:21,252 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2019-11-06 20:58:21,252 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_deregister [2019-11-06 20:58:21,252 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_register [2019-11-06 20:58:21,252 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2019-11-06 20:58:21,252 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-11-06 20:58:21,252 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2019-11-06 20:58:21,252 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-11-06 20:58:21,253 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unused_fd [2019-11-06 20:58:21,253 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2019-11-06 20:58:21,253 INFO L138 BoogieDeclarations]: Found implementation of procedure strndup_user [2019-11-06 20:58:21,253 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev_region [2019-11-06 20:58:21,253 INFO L138 BoogieDeclarations]: Found implementation of procedure up_read [2019-11-06 20:58:21,253 INFO L138 BoogieDeclarations]: Found implementation of procedure up_write [2019-11-06 20:58:21,253 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_fmt [2019-11-06 20:58:21,253 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2019-11-06 20:58:21,254 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-11-06 20:58:21,254 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-11-06 20:58:21,254 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-11-06 20:58:21,254 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-11-06 20:58:21,254 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-11-06 20:58:21,254 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-06 20:58:21,255 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-06 20:58:21,255 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-11-06 20:58:21,255 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-11-06 20:58:21,255 INFO L130 BoogieDeclarations]: Found specification of procedure __read_once_size [2019-11-06 20:58:21,255 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-11-06 20:58:21,255 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-06 20:58:21,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-06 20:58:21,256 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-11-06 20:58:21,256 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2019-11-06 20:58:21,256 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2019-11-06 20:58:21,256 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2019-11-06 20:58:21,256 INFO L130 BoogieDeclarations]: Found specification of procedure kasprintf [2019-11-06 20:58:21,256 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-11-06 20:58:21,257 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-11-06 20:58:21,257 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-11-06 20:58:21,257 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-11-06 20:58:21,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-06 20:58:21,257 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2019-11-06 20:58:21,257 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2019-11-06 20:58:21,257 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-06 20:58:21,258 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2019-11-06 20:58:21,258 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2019-11-06 20:58:21,258 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2019-11-06 20:58:21,258 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_fmt [2019-11-06 20:58:21,258 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2019-11-06 20:58:21,258 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2019-11-06 20:58:21,258 INFO L130 BoogieDeclarations]: Found specification of procedure strndup_user [2019-11-06 20:58:21,259 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-11-06 20:58:21,259 INFO L130 BoogieDeclarations]: Found specification of procedure strcmp [2019-11-06 20:58:21,259 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2019-11-06 20:58:21,259 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2019-11-06 20:58:21,259 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2019-11-06 20:58:21,259 INFO L130 BoogieDeclarations]: Found specification of procedure __cmpxchg_wrong_size [2019-11-06 20:58:21,259 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2019-11-06 20:58:21,259 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2019-11-06 20:58:21,260 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2019-11-06 20:58:21,260 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_sub_and_test [2019-11-06 20:58:21,260 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2019-11-06 20:58:21,260 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2019-11-06 20:58:21,260 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2019-11-06 20:58:21,260 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2019-11-06 20:58:21,260 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_cmpxchg [2019-11-06 20:58:21,261 INFO L130 BoogieDeclarations]: Found specification of procedure __atomic_add_unless [2019-11-06 20:58:21,261 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_unless [2019-11-06 20:58:21,261 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_if_positive [2019-11-06 20:58:21,261 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2019-11-06 20:58:21,261 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2019-11-06 20:58:21,261 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2019-11-06 20:58:21,261 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2019-11-06 20:58:21,261 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2019-11-06 20:58:21,262 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2019-11-06 20:58:21,262 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-11-06 20:58:21,262 INFO L130 BoogieDeclarations]: Found specification of procedure __init_rwsem [2019-11-06 20:58:21,262 INFO L130 BoogieDeclarations]: Found specification of procedure down_read [2019-11-06 20:58:21,262 INFO L130 BoogieDeclarations]: Found specification of procedure down_write [2019-11-06 20:58:21,262 INFO L130 BoogieDeclarations]: Found specification of procedure up_read [2019-11-06 20:58:21,262 INFO L130 BoogieDeclarations]: Found specification of procedure up_write [2019-11-06 20:58:21,263 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2019-11-06 20:58:21,263 INFO L130 BoogieDeclarations]: Found specification of procedure __request_module [2019-11-06 20:58:21,263 INFO L130 BoogieDeclarations]: Found specification of procedure idr_find_slowpath [2019-11-06 20:58:21,263 INFO L130 BoogieDeclarations]: Found specification of procedure idr_alloc [2019-11-06 20:58:21,263 INFO L130 BoogieDeclarations]: Found specification of procedure idr_remove [2019-11-06 20:58:21,263 INFO L130 BoogieDeclarations]: Found specification of procedure idr_destroy [2019-11-06 20:58:21,264 INFO L130 BoogieDeclarations]: Found specification of procedure idr_init [2019-11-06 20:58:21,264 INFO L130 BoogieDeclarations]: Found specification of procedure idr_find [2019-11-06 20:58:21,264 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-06 20:58:21,264 INFO L130 BoogieDeclarations]: Found specification of procedure kref_init [2019-11-06 20:58:21,264 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2019-11-06 20:58:21,264 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2019-11-06 20:58:21,264 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-11-06 20:58:21,265 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2019-11-06 20:58:21,265 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put_mutex [2019-11-06 20:58:21,265 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2019-11-06 20:58:21,265 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get_5 [2019-11-06 20:58:21,265 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get_7 [2019-11-06 20:58:21,265 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_6 [2019-11-06 20:58:21,265 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_8 [2019-11-06 20:58:21,266 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_9 [2019-11-06 20:58:21,266 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_10 [2019-11-06 20:58:21,266 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_11 [2019-11-06 20:58:21,266 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get [2019-11-06 20:58:21,266 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2019-11-06 20:58:21,266 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2019-11-06 20:58:21,266 INFO L130 BoogieDeclarations]: Found specification of procedure task_pid_nr [2019-11-06 20:58:21,266 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-11-06 20:58:21,267 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-11-06 20:58:21,267 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-11-06 20:58:21,267 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-11-06 20:58:21,267 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-11-06 20:58:21,267 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-06 20:58:21,267 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-06 20:58:21,267 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-06 20:58:21,268 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-11-06 20:58:21,268 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-11-06 20:58:21,268 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-11-06 20:58:21,268 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-06 20:58:21,268 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-11-06 20:58:21,268 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-11-06 20:58:21,268 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2019-11-06 20:58:21,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2019-11-06 20:58:21,269 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-11-06 20:58:21,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-11-06 20:58:21,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-11-06 20:58:21,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-11-06 20:58:21,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-11-06 20:58:21,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_2 [2019-11-06 20:58:21,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_1 [2019-11-06 20:58:21,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_3 [2019-11-06 20:58:21,270 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_init [2019-11-06 20:58:21,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_cdev_init_13 [2019-11-06 20:58:21,270 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_add [2019-11-06 20:58:21,270 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_del [2019-11-06 20:58:21,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_cdev_del_15 [2019-11-06 20:58:21,270 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2019-11-06 20:58:21,271 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_chrdev_region [2019-11-06 20:58:21,271 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev_region [2019-11-06 20:58:21,271 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2019-11-06 20:58:21,271 INFO L130 BoogieDeclarations]: Found specification of procedure __class_create [2019-11-06 20:58:21,271 INFO L130 BoogieDeclarations]: Found specification of procedure class_destroy [2019-11-06 20:58:21,271 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2019-11-06 20:58:21,271 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-11-06 20:58:21,271 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-11-06 20:58:21,272 INFO L130 BoogieDeclarations]: Found specification of procedure device_create [2019-11-06 20:58:21,272 INFO L130 BoogieDeclarations]: Found specification of procedure device_destroy [2019-11-06 20:58:21,272 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2019-11-06 20:58:21,272 INFO L130 BoogieDeclarations]: Found specification of procedure fput [2019-11-06 20:58:21,272 INFO L130 BoogieDeclarations]: Found specification of procedure fdput [2019-11-06 20:58:21,272 INFO L130 BoogieDeclarations]: Found specification of procedure __fdget [2019-11-06 20:58:21,272 INFO L130 BoogieDeclarations]: Found specification of procedure __to_fd [2019-11-06 20:58:21,273 INFO L130 BoogieDeclarations]: Found specification of procedure fdget [2019-11-06 20:58:21,273 INFO L130 BoogieDeclarations]: Found specification of procedure get_unused_fd_flags [2019-11-06 20:58:21,273 INFO L130 BoogieDeclarations]: Found specification of procedure put_unused_fd [2019-11-06 20:58:21,273 INFO L130 BoogieDeclarations]: Found specification of procedure fd_install [2019-11-06 20:58:21,273 INFO L130 BoogieDeclarations]: Found specification of procedure anon_inode_getfile [2019-11-06 20:58:21,273 INFO L130 BoogieDeclarations]: Found specification of procedure iommu_group_for_each_dev [2019-11-06 20:58:21,273 INFO L130 BoogieDeclarations]: Found specification of procedure iommu_group_get [2019-11-06 20:58:21,273 INFO L130 BoogieDeclarations]: Found specification of procedure iommu_group_put [2019-11-06 20:58:21,274 INFO L130 BoogieDeclarations]: Found specification of procedure iommu_group_register_notifier [2019-11-06 20:58:21,274 INFO L130 BoogieDeclarations]: Found specification of procedure iommu_group_unregister_notifier [2019-11-06 20:58:21,274 INFO L130 BoogieDeclarations]: Found specification of procedure iommu_group_id [2019-11-06 20:58:21,274 INFO L130 BoogieDeclarations]: Found specification of procedure misc_register [2019-11-06 20:58:21,274 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_misc_register_12 [2019-11-06 20:58:21,274 INFO L130 BoogieDeclarations]: Found specification of procedure misc_deregister [2019-11-06 20:58:21,274 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_misc_deregister_14 [2019-11-06 20:58:21,275 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_misc_deregister_16 [2019-11-06 20:58:21,275 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2019-11-06 20:58:21,275 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2019-11-06 20:58:21,275 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_from_user_overflow [2019-11-06 20:58:21,275 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_to_user_overflow [2019-11-06 20:58:21,275 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2019-11-06 20:58:21,275 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2019-11-06 20:58:21,275 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_add_group_dev [2019-11-06 20:58:21,276 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_del_group_dev [2019-11-06 20:58:21,276 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_device_get_from_dev [2019-11-06 20:58:21,276 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_device_put [2019-11-06 20:58:21,276 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_device_data [2019-11-06 20:58:21,276 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_register_iommu_driver [2019-11-06 20:58:21,276 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_unregister_iommu_driver [2019-11-06 20:58:21,276 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_get_external_user [2019-11-06 20:58:21,276 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_put_external_user [2019-11-06 20:58:21,277 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_external_user_iommu_id [2019-11-06 20:58:21,277 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_external_check_extension [2019-11-06 20:58:21,277 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_alloc_group_minor [2019-11-06 20:58:21,277 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_free_group_minor [2019-11-06 20:58:21,277 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_iommu_group_notifier [2019-11-06 20:58:21,277 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_get [2019-11-06 20:58:21,277 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_container_get [2019-11-06 20:58:21,278 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_container_release [2019-11-06 20:58:21,278 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_container_put [2019-11-06 20:58:21,278 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_unlock_and_free [2019-11-06 20:58:21,278 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_create_group [2019-11-06 20:58:21,278 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_release [2019-11-06 20:58:21,278 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_put [2019-11-06 20:58:21,278 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_try_get [2019-11-06 20:58:21,279 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_get_from_iommu [2019-11-06 20:58:21,279 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_get_from_minor [2019-11-06 20:58:21,279 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_create_device [2019-11-06 20:58:21,279 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_device_release [2019-11-06 20:58:21,279 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_device_get [2019-11-06 20:58:21,279 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_get_device [2019-11-06 20:58:21,279 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_whitelisted_driver [2019-11-06 20:58:21,280 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_dev_viable [2019-11-06 20:58:21,280 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_nb_add_dev [2019-11-06 20:58:21,280 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_nb_verify [2019-11-06 20:58:21,280 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_dev_present [2019-11-06 20:58:21,280 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2019-11-06 20:58:21,280 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_ioctl_check_extension [2019-11-06 20:58:21,280 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2019-11-06 20:58:21,281 INFO L130 BoogieDeclarations]: Found specification of procedure __vfio_container_attach_groups [2019-11-06 20:58:21,281 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-11-06 20:58:21,281 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2019-11-06 20:58:21,281 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_ioctl_set_iommu [2019-11-06 20:58:21,281 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~$Pointer$ [2019-11-06 20:58:21,281 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_fops_unl_ioctl [2019-11-06 20:58:21,281 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_fops_compat_ioctl [2019-11-06 20:58:21,282 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_fops_open [2019-11-06 20:58:21,282 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_fops_release [2019-11-06 20:58:21,282 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_fops_read [2019-11-06 20:58:21,282 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2019-11-06 20:58:21,282 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_fops_write [2019-11-06 20:58:21,282 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_fops_mmap [2019-11-06 20:58:21,282 INFO L130 BoogieDeclarations]: Found specification of procedure __vfio_group_unset_container [2019-11-06 20:58:21,283 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_unset_container [2019-11-06 20:58:21,283 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_try_dissolve_container [2019-11-06 20:58:21,283 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_set_container [2019-11-06 20:58:21,283 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_viable [2019-11-06 20:58:21,283 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_get_device_fd [2019-11-06 20:58:21,283 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2019-11-06 20:58:21,283 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_fops_unl_ioctl [2019-11-06 20:58:21,284 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_fops_compat_ioctl [2019-11-06 20:58:21,284 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_fops_open [2019-11-06 20:58:21,284 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_fops_release [2019-11-06 20:58:21,284 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_device_fops_release [2019-11-06 20:58:21,284 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_device_fops_unl_ioctl [2019-11-06 20:58:21,284 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_device_fops_read [2019-11-06 20:58:21,284 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_device_fops_write [2019-11-06 20:58:21,284 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_device_fops_mmap [2019-11-06 20:58:21,285 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_device_fops_compat_ioctl [2019-11-06 20:58:21,285 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_devnode [2019-11-06 20:58:21,285 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_init [2019-11-06 20:58:21,285 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_cleanup [2019-11-06 20:58:21,285 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_open_1 [2019-11-06 20:58:21,285 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-11-06 20:58:21,285 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-11-06 20:58:21,285 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-06 20:58:21,286 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-11-06 20:58:21,286 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-11-06 20:58:21,286 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_get [2019-11-06 20:58:21,286 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_and_exit [2019-11-06 20:58:21,286 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_refcount [2019-11-06 20:58:21,286 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-11-06 20:58:21,286 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-11-06 20:58:21,287 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-06 20:58:21,287 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-06 20:58:21,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-06 20:58:21,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-06 20:58:21,287 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-06 20:58:21,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-11-06 20:58:21,287 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-11-06 20:58:21,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-11-06 20:58:21,288 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-11-06 20:58:22,490 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-11-06 20:58:26,786 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_module_put_and_exitFINAL: assume true; [2019-11-06 20:58:27,283 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-06 20:58:27,283 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-11-06 20:58:27,285 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 08:58:27 BoogieIcfgContainer [2019-11-06 20:58:27,286 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-06 20:58:27,287 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-06 20:58:27,287 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-06 20:58:27,291 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-06 20:58:27,291 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 08:58:17" (1/3) ... [2019-11-06 20:58:27,292 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cf3a70e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 08:58:27, skipping insertion in model container [2019-11-06 20:58:27,292 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:58:20" (2/3) ... [2019-11-06 20:58:27,293 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cf3a70e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 08:58:27, skipping insertion in model container [2019-11-06 20:58:27,293 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 08:58:27" (3/3) ... [2019-11-06 20:58:27,295 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--vfio--vfio.ko-entry_point.cil.out.i [2019-11-06 20:58:27,305 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-06 20:58:27,318 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-06 20:58:27,330 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-06 20:58:27,365 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-06 20:58:27,366 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-06 20:58:27,366 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-06 20:58:27,366 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-06 20:58:27,366 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-06 20:58:27,366 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-06 20:58:27,366 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-06 20:58:27,367 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-06 20:58:27,414 INFO L276 IsEmpty]: Start isEmpty. Operand 1853 states. [2019-11-06 20:58:27,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 351 [2019-11-06 20:58:27,446 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 20:58:27,448 INFO L410 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] [2019-11-06 20:58:27,450 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 20:58:27,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 20:58:27,456 INFO L82 PathProgramCache]: Analyzing trace with hash -198137817, now seen corresponding path program 1 times [2019-11-06 20:58:27,465 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 20:58:27,466 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [163928595] [2019-11-06 20:58:27,466 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 20:58:28,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:58:31,177 WARN L191 SmtUtils]: Spent 2.63 s on a formula simplification that was a NOOP. DAG size: 652 [2019-11-06 20:58:31,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:58:31,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:58:31,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:58:31,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:58:31,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:58:31,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:58:31,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:58:31,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:58:31,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:58:31,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:58:31,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:58:31,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:58:31,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:58:31,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:58:31,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:58:31,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:58:31,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:58:31,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:58:31,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:58:31,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:58:31,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:58:31,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:58:31,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:58:31,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:58:31,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:58:31,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:58:31,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:58:31,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:58:31,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:58:31,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:58:31,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:58:31,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:58:31,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:58:31,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:58:31,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:58:31,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:58:31,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:58:31,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:58:31,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:58:31,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:58:31,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:58:31,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:58:31,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:58:31,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:58:31,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:58:31,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:58:31,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:58:31,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:58:31,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:58:31,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:58:31,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:58:31,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:58:31,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:58:31,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:58:31,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:58:31,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:58:31,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:58:31,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:58:31,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:58:31,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:58:31,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:58:31,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:58:31,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:58:31,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:58:31,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:58:32,233 INFO L134 CoverageAnalysis]: Checked inductivity of 1443 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1443 trivial. 0 not checked. [2019-11-06 20:58:32,234 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [163928595] [2019-11-06 20:58:32,235 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 20:58:32,235 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-11-06 20:58:32,237 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [731009775] [2019-11-06 20:58:32,244 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-06 20:58:32,245 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 20:58:32,259 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-06 20:58:32,260 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2019-11-06 20:58:32,262 INFO L87 Difference]: Start difference. First operand 1853 states. Second operand 9 states. [2019-11-06 20:58:41,798 WARN L191 SmtUtils]: Spent 2.33 s on a formula simplification that was a NOOP. DAG size: 654