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-f4eb214f-m [2019-10-13 19:02:23,950 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 19:02:23,953 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 19:02:23,970 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 19:02:23,970 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 19:02:23,972 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 19:02:23,974 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 19:02:23,976 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 19:02:23,978 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 19:02:23,979 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 19:02:23,979 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 19:02:23,984 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 19:02:23,985 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 19:02:23,987 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 19:02:23,989 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 19:02:23,991 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 19:02:23,992 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 19:02:23,994 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 19:02:23,998 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 19:02:24,000 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 19:02:24,003 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 19:02:24,006 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 19:02:24,007 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 19:02:24,007 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 19:02:24,012 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 19:02:24,012 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 19:02:24,012 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 19:02:24,014 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 19:02:24,016 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 19:02:24,017 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 19:02:24,017 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 19:02:24,018 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 19:02:24,019 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 19:02:24,020 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 19:02:24,024 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 19:02:24,024 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 19:02:24,024 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 19:02:24,025 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 19:02:24,025 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 19:02:24,026 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 19:02:24,027 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 19:02:24,028 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-13 19:02:24,045 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 19:02:24,045 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 19:02:24,047 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 19:02:24,047 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 19:02:24,047 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 19:02:24,047 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 19:02:24,047 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 19:02:24,048 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 19:02:24,048 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 19:02:24,048 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 19:02:24,048 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 19:02:24,048 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 19:02:24,049 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 19:02:24,049 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 19:02:24,049 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 19:02:24,049 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 19:02:24,049 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 19:02:24,049 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 19:02:24,050 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 19:02:24,050 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 19:02:24,050 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 19:02:24,050 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 19:02:24,051 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 19:02:24,051 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 19:02:24,051 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 19:02:24,051 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 19:02:24,051 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 19:02:24,052 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 19:02:24,052 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-13 19:02:24,330 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 19:02:24,350 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 19:02:24,354 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 19:02:24,355 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 19:02:24,356 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 19:02:24,356 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--vfio--vfio.ko-entry_point.cil.out.i [2019-10-13 19:02:24,423 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/123aea30b/ebdf01dfd9e745729db6f58a5b7045fb/FLAG23f862fae [2019-10-13 19:02:25,145 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 19:02:25,145 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--vfio--vfio.ko-entry_point.cil.out.i [2019-10-13 19:02:25,192 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/123aea30b/ebdf01dfd9e745729db6f58a5b7045fb/FLAG23f862fae [2019-10-13 19:02:25,669 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/123aea30b/ebdf01dfd9e745729db6f58a5b7045fb [2019-10-13 19:02:25,679 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 19:02:25,681 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 19:02:25,682 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 19:02:25,682 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 19:02:25,685 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 19:02:25,686 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:02:25" (1/1) ... [2019-10-13 19:02:25,689 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c0b55fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:02:25, skipping insertion in model container [2019-10-13 19:02:25,690 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:02:25" (1/1) ... [2019-10-13 19:02:25,697 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 19:02:25,811 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 19:02:27,874 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 19:02:27,970 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 19:02:28,282 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 19:02:28,630 INFO L192 MainTranslator]: Completed translation [2019-10-13 19:02:28,631 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:02:28 WrapperNode [2019-10-13 19:02:28,631 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 19:02:28,633 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 19:02:28,633 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 19:02:28,633 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 19:02:28,653 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:02:28" (1/1) ... [2019-10-13 19:02:28,653 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:02:28" (1/1) ... [2019-10-13 19:02:28,780 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:02:28" (1/1) ... [2019-10-13 19:02:28,781 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:02:28" (1/1) ... [2019-10-13 19:02:28,903 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:02:28" (1/1) ... [2019-10-13 19:02:28,936 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:02:28" (1/1) ... [2019-10-13 19:02:28,966 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:02:28" (1/1) ... [2019-10-13 19:02:29,027 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 19:02:29,028 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 19:02:29,028 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 19:02:29,028 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 19:02:29,030 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:02:28" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 19:02:29,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 19:02:29,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 19:02:29,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-10-13 19:02:29,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2019-10-13 19:02:29,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2019-10-13 19:02:29,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-10-13 19:02:29,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2019-10-13 19:02:29,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~$Pointer$ [2019-10-13 19:02:29,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2019-10-13 19:02:29,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2019-10-13 19:02:29,105 INFO L138 BoogieDeclarations]: Found implementation of procedure __read_once_size [2019-10-13 19:02:29,106 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-10-13 19:02:29,107 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2019-10-13 19:02:29,108 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2019-10-13 19:02:29,109 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2019-10-13 19:02:29,109 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2019-10-13 19:02:29,110 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2019-10-13 19:02:29,110 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_sub_and_test [2019-10-13 19:02:29,111 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2019-10-13 19:02:29,111 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2019-10-13 19:02:29,111 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2019-10-13 19:02:29,111 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2019-10-13 19:02:29,112 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_cmpxchg [2019-10-13 19:02:29,112 INFO L138 BoogieDeclarations]: Found implementation of procedure __atomic_add_unless [2019-10-13 19:02:29,112 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_unless [2019-10-13 19:02:29,112 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_if_positive [2019-10-13 19:02:29,113 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_find [2019-10-13 19:02:29,113 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_init [2019-10-13 19:02:29,113 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2019-10-13 19:02:29,113 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2019-10-13 19:02:29,113 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2019-10-13 19:02:29,113 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put_mutex [2019-10-13 19:02:29,113 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2019-10-13 19:02:29,114 INFO L138 BoogieDeclarations]: Found implementation of procedure task_pid_nr [2019-10-13 19:02:29,114 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-10-13 19:02:29,114 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-13 19:02:29,114 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-10-13 19:02:29,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-13 19:02:29,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-13 19:02:29,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2019-10-13 19:02:29,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2019-10-13 19:02:29,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-13 19:02:29,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-13 19:02:29,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-13 19:02:29,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-13 19:02:29,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-13 19:02:29,116 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2019-10-13 19:02:29,116 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2019-10-13 19:02:29,116 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2019-10-13 19:02:29,116 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-10-13 19:02:29,117 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-10-13 19:02:29,117 INFO L138 BoogieDeclarations]: Found implementation of procedure fdput [2019-10-13 19:02:29,117 INFO L138 BoogieDeclarations]: Found implementation of procedure __to_fd [2019-10-13 19:02:29,117 INFO L138 BoogieDeclarations]: Found implementation of procedure fdget [2019-10-13 19:02:29,117 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2019-10-13 19:02:29,117 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2019-10-13 19:02:29,117 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_register_iommu_driver [2019-10-13 19:02:29,118 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_unregister_iommu_driver [2019-10-13 19:02:29,118 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_alloc_group_minor [2019-10-13 19:02:29,119 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_free_group_minor [2019-10-13 19:02:29,119 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_container_get [2019-10-13 19:02:29,119 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_container_release [2019-10-13 19:02:29,120 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_container_put [2019-10-13 19:02:29,120 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_unlock_and_free [2019-10-13 19:02:29,120 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_create_group [2019-10-13 19:02:29,120 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_release [2019-10-13 19:02:29,121 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_put [2019-10-13 19:02:29,121 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_get [2019-10-13 19:02:29,121 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_try_get [2019-10-13 19:02:29,121 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_get_from_iommu [2019-10-13 19:02:29,121 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_get_from_minor [2019-10-13 19:02:29,122 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_create_device [2019-10-13 19:02:29,122 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_device_release [2019-10-13 19:02:29,122 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_device_put [2019-10-13 19:02:29,123 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_device_get [2019-10-13 19:02:29,123 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_get_device [2019-10-13 19:02:29,123 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_whitelisted_driver [2019-10-13 19:02:29,123 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_dev_viable [2019-10-13 19:02:29,123 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_nb_add_dev [2019-10-13 19:02:29,123 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_nb_verify [2019-10-13 19:02:29,124 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_iommu_group_notifier [2019-10-13 19:02:29,124 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_add_group_dev [2019-10-13 19:02:29,124 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_device_get_from_dev [2019-10-13 19:02:29,125 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_device_data [2019-10-13 19:02:29,125 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_dev_present [2019-10-13 19:02:29,125 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_del_group_dev [2019-10-13 19:02:29,125 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_ioctl_check_extension [2019-10-13 19:02:29,125 INFO L138 BoogieDeclarations]: Found implementation of procedure __vfio_container_attach_groups [2019-10-13 19:02:29,126 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_ioctl_set_iommu [2019-10-13 19:02:29,126 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_fops_unl_ioctl [2019-10-13 19:02:29,126 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_fops_compat_ioctl [2019-10-13 19:02:29,127 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_fops_open [2019-10-13 19:02:29,127 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_fops_release [2019-10-13 19:02:29,127 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_fops_read [2019-10-13 19:02:29,127 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_fops_write [2019-10-13 19:02:29,127 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_fops_mmap [2019-10-13 19:02:29,127 INFO L138 BoogieDeclarations]: Found implementation of procedure __vfio_group_unset_container [2019-10-13 19:02:29,128 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_unset_container [2019-10-13 19:02:29,128 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_try_dissolve_container [2019-10-13 19:02:29,128 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_set_container [2019-10-13 19:02:29,128 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_viable [2019-10-13 19:02:29,128 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_get_device_fd [2019-10-13 19:02:29,128 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_fops_unl_ioctl [2019-10-13 19:02:29,129 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_fops_compat_ioctl [2019-10-13 19:02:29,129 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_fops_open [2019-10-13 19:02:29,129 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_fops_release [2019-10-13 19:02:29,129 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_device_fops_release [2019-10-13 19:02:29,129 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_device_fops_unl_ioctl [2019-10-13 19:02:29,129 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_device_fops_read [2019-10-13 19:02:29,129 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_device_fops_write [2019-10-13 19:02:29,130 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_device_fops_mmap [2019-10-13 19:02:29,130 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_device_fops_compat_ioctl [2019-10-13 19:02:29,130 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_get_external_user [2019-10-13 19:02:29,130 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_put_external_user [2019-10-13 19:02:29,130 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_external_user_iommu_id [2019-10-13 19:02:29,131 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_external_check_extension [2019-10-13 19:02:29,131 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_devnode [2019-10-13 19:02:29,131 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_init [2019-10-13 19:02:29,131 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_cleanup [2019-10-13 19:02:29,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_2 [2019-10-13 19:02:29,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_1 [2019-10-13 19:02:29,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_3 [2019-10-13 19:02:29,133 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 19:02:29,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2019-10-13 19:02:29,134 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2019-10-13 19:02:29,134 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2019-10-13 19:02:29,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get_5 [2019-10-13 19:02:29,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_6 [2019-10-13 19:02:29,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get_7 [2019-10-13 19:02:29,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_8 [2019-10-13 19:02:29,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_9 [2019-10-13 19:02:29,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_10 [2019-10-13 19:02:29,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_11 [2019-10-13 19:02:29,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_misc_register_12 [2019-10-13 19:02:29,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_cdev_init_13 [2019-10-13 19:02:29,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_misc_deregister_14 [2019-10-13 19:02:29,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_cdev_del_15 [2019-10-13 19:02:29,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_misc_deregister_16 [2019-10-13 19:02:29,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-13 19:02:29,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-13 19:02:29,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-10-13 19:02:29,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-10-13 19:02:29,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-10-13 19:02:29,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_get [2019-10-13 19:02:29,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get [2019-10-13 19:02:29,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2019-10-13 19:02:29,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_and_exit [2019-10-13 19:02:29,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_refcount [2019-10-13 19:02:29,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-13 19:02:29,150 INFO L138 BoogieDeclarations]: Found implementation of procedure __class_create [2019-10-13 19:02:29,150 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_from_user_overflow [2019-10-13 19:02:29,150 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_to_user_overflow [2019-10-13 19:02:29,150 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2019-10-13 19:02:29,150 INFO L138 BoogieDeclarations]: Found implementation of procedure __fdget [2019-10-13 19:02:29,150 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_rwsem [2019-10-13 19:02:29,150 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2019-10-13 19:02:29,151 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2019-10-13 19:02:29,151 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2019-10-13 19:02:29,151 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2019-10-13 19:02:29,151 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2019-10-13 19:02:29,151 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_module [2019-10-13 19:02:29,151 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2019-10-13 19:02:29,151 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2019-10-13 19:02:29,151 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2019-10-13 19:02:29,152 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_chrdev_region [2019-10-13 19:02:29,152 INFO L138 BoogieDeclarations]: Found implementation of procedure anon_inode_getfile [2019-10-13 19:02:29,152 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_add [2019-10-13 19:02:29,152 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_del [2019-10-13 19:02:29,153 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_init [2019-10-13 19:02:29,153 INFO L138 BoogieDeclarations]: Found implementation of procedure class_destroy [2019-10-13 19:02:29,153 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2019-10-13 19:02:29,153 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2019-10-13 19:02:29,153 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create [2019-10-13 19:02:29,153 INFO L138 BoogieDeclarations]: Found implementation of procedure device_destroy [2019-10-13 19:02:29,153 INFO L138 BoogieDeclarations]: Found implementation of procedure down_read [2019-10-13 19:02:29,154 INFO L138 BoogieDeclarations]: Found implementation of procedure down_write [2019-10-13 19:02:29,154 INFO L138 BoogieDeclarations]: Found implementation of procedure fd_install [2019-10-13 19:02:29,154 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2019-10-13 19:02:29,154 INFO L138 BoogieDeclarations]: Found implementation of procedure fput [2019-10-13 19:02:29,154 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unused_fd_flags [2019-10-13 19:02:29,154 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_alloc [2019-10-13 19:02:29,154 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_destroy [2019-10-13 19:02:29,155 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_find_slowpath [2019-10-13 19:02:29,155 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_init [2019-10-13 19:02:29,155 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_remove [2019-10-13 19:02:29,155 INFO L138 BoogieDeclarations]: Found implementation of procedure iommu_group_for_each_dev [2019-10-13 19:02:29,156 INFO L138 BoogieDeclarations]: Found implementation of procedure iommu_group_get [2019-10-13 19:02:29,156 INFO L138 BoogieDeclarations]: Found implementation of procedure iommu_group_id [2019-10-13 19:02:29,156 INFO L138 BoogieDeclarations]: Found implementation of procedure iommu_group_put [2019-10-13 19:02:29,156 INFO L138 BoogieDeclarations]: Found implementation of procedure iommu_group_register_notifier [2019-10-13 19:02:29,157 INFO L138 BoogieDeclarations]: Found implementation of procedure iommu_group_unregister_notifier [2019-10-13 19:02:29,157 INFO L138 BoogieDeclarations]: Found implementation of procedure kasprintf [2019-10-13 19:02:29,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-13 19:02:29,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_open_1 [2019-10-13 19:02:29,157 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2019-10-13 19:02:29,157 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_deregister [2019-10-13 19:02:29,157 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_register [2019-10-13 19:02:29,158 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2019-10-13 19:02:29,158 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-10-13 19:02:29,158 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2019-10-13 19:02:29,158 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-13 19:02:29,158 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unused_fd [2019-10-13 19:02:29,158 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2019-10-13 19:02:29,158 INFO L138 BoogieDeclarations]: Found implementation of procedure strndup_user [2019-10-13 19:02:29,159 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev_region [2019-10-13 19:02:29,159 INFO L138 BoogieDeclarations]: Found implementation of procedure up_read [2019-10-13 19:02:29,159 INFO L138 BoogieDeclarations]: Found implementation of procedure up_write [2019-10-13 19:02:29,159 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_fmt [2019-10-13 19:02:29,159 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2019-10-13 19:02:29,159 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-13 19:02:29,159 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-13 19:02:29,160 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-13 19:02:29,160 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-13 19:02:29,160 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-10-13 19:02:29,160 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 19:02:29,160 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 19:02:29,160 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-13 19:02:29,160 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-13 19:02:29,161 INFO L130 BoogieDeclarations]: Found specification of procedure __read_once_size [2019-10-13 19:02:29,161 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-10-13 19:02:29,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 19:02:29,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 19:02:29,161 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-13 19:02:29,161 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2019-10-13 19:02:29,161 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2019-10-13 19:02:29,161 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2019-10-13 19:02:29,162 INFO L130 BoogieDeclarations]: Found specification of procedure kasprintf [2019-10-13 19:02:29,162 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-13 19:02:29,162 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-10-13 19:02:29,162 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-10-13 19:02:29,162 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-10-13 19:02:29,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 19:02:29,162 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2019-10-13 19:02:29,163 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2019-10-13 19:02:29,163 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 19:02:29,163 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2019-10-13 19:02:29,163 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2019-10-13 19:02:29,163 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2019-10-13 19:02:29,163 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_fmt [2019-10-13 19:02:29,163 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2019-10-13 19:02:29,163 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2019-10-13 19:02:29,164 INFO L130 BoogieDeclarations]: Found specification of procedure strndup_user [2019-10-13 19:02:29,164 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-13 19:02:29,164 INFO L130 BoogieDeclarations]: Found specification of procedure strcmp [2019-10-13 19:02:29,164 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2019-10-13 19:02:29,164 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2019-10-13 19:02:29,164 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2019-10-13 19:02:29,164 INFO L130 BoogieDeclarations]: Found specification of procedure __cmpxchg_wrong_size [2019-10-13 19:02:29,164 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2019-10-13 19:02:29,165 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2019-10-13 19:02:29,165 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2019-10-13 19:02:29,165 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_sub_and_test [2019-10-13 19:02:29,165 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2019-10-13 19:02:29,165 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2019-10-13 19:02:29,165 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2019-10-13 19:02:29,165 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2019-10-13 19:02:29,166 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_cmpxchg [2019-10-13 19:02:29,166 INFO L130 BoogieDeclarations]: Found specification of procedure __atomic_add_unless [2019-10-13 19:02:29,166 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_unless [2019-10-13 19:02:29,166 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_if_positive [2019-10-13 19:02:29,166 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2019-10-13 19:02:29,166 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2019-10-13 19:02:29,166 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2019-10-13 19:02:29,166 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2019-10-13 19:02:29,167 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2019-10-13 19:02:29,167 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2019-10-13 19:02:29,168 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-10-13 19:02:29,172 INFO L130 BoogieDeclarations]: Found specification of procedure __init_rwsem [2019-10-13 19:02:29,172 INFO L130 BoogieDeclarations]: Found specification of procedure down_read [2019-10-13 19:02:29,173 INFO L130 BoogieDeclarations]: Found specification of procedure down_write [2019-10-13 19:02:29,173 INFO L130 BoogieDeclarations]: Found specification of procedure up_read [2019-10-13 19:02:29,173 INFO L130 BoogieDeclarations]: Found specification of procedure up_write [2019-10-13 19:02:29,177 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2019-10-13 19:02:29,177 INFO L130 BoogieDeclarations]: Found specification of procedure __request_module [2019-10-13 19:02:29,177 INFO L130 BoogieDeclarations]: Found specification of procedure idr_find_slowpath [2019-10-13 19:02:29,177 INFO L130 BoogieDeclarations]: Found specification of procedure idr_alloc [2019-10-13 19:02:29,177 INFO L130 BoogieDeclarations]: Found specification of procedure idr_remove [2019-10-13 19:02:29,177 INFO L130 BoogieDeclarations]: Found specification of procedure idr_destroy [2019-10-13 19:02:29,178 INFO L130 BoogieDeclarations]: Found specification of procedure idr_init [2019-10-13 19:02:29,178 INFO L130 BoogieDeclarations]: Found specification of procedure idr_find [2019-10-13 19:02:29,178 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 19:02:29,178 INFO L130 BoogieDeclarations]: Found specification of procedure kref_init [2019-10-13 19:02:29,178 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2019-10-13 19:02:29,178 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2019-10-13 19:02:29,178 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-10-13 19:02:29,178 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2019-10-13 19:02:29,178 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put_mutex [2019-10-13 19:02:29,179 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2019-10-13 19:02:29,179 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get_5 [2019-10-13 19:02:29,179 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get_7 [2019-10-13 19:02:29,179 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_6 [2019-10-13 19:02:29,179 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_8 [2019-10-13 19:02:29,179 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_9 [2019-10-13 19:02:29,179 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_10 [2019-10-13 19:02:29,179 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_11 [2019-10-13 19:02:29,179 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get [2019-10-13 19:02:29,180 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2019-10-13 19:02:29,180 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2019-10-13 19:02:29,180 INFO L130 BoogieDeclarations]: Found specification of procedure task_pid_nr [2019-10-13 19:02:29,180 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-13 19:02:29,181 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-13 19:02:29,181 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-10-13 19:02:29,181 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-13 19:02:29,181 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-10-13 19:02:29,181 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 19:02:29,181 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-13 19:02:29,181 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 19:02:29,181 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-13 19:02:29,181 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-13 19:02:29,182 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-13 19:02:29,182 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 19:02:29,182 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-13 19:02:29,182 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-13 19:02:29,182 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2019-10-13 19:02:29,182 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2019-10-13 19:02:29,182 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-13 19:02:29,182 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-13 19:02:29,183 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-13 19:02:29,183 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-13 19:02:29,183 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-13 19:02:29,183 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_2 [2019-10-13 19:02:29,183 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_1 [2019-10-13 19:02:29,183 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_3 [2019-10-13 19:02:29,183 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_init [2019-10-13 19:02:29,183 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_cdev_init_13 [2019-10-13 19:02:29,183 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_add [2019-10-13 19:02:29,184 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_del [2019-10-13 19:02:29,184 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_cdev_del_15 [2019-10-13 19:02:29,184 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2019-10-13 19:02:29,184 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_chrdev_region [2019-10-13 19:02:29,184 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev_region [2019-10-13 19:02:29,184 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2019-10-13 19:02:29,184 INFO L130 BoogieDeclarations]: Found specification of procedure __class_create [2019-10-13 19:02:29,184 INFO L130 BoogieDeclarations]: Found specification of procedure class_destroy [2019-10-13 19:02:29,184 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2019-10-13 19:02:29,185 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-10-13 19:02:29,185 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-10-13 19:02:29,185 INFO L130 BoogieDeclarations]: Found specification of procedure device_create [2019-10-13 19:02:29,185 INFO L130 BoogieDeclarations]: Found specification of procedure device_destroy [2019-10-13 19:02:29,185 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2019-10-13 19:02:29,185 INFO L130 BoogieDeclarations]: Found specification of procedure fput [2019-10-13 19:02:29,185 INFO L130 BoogieDeclarations]: Found specification of procedure fdput [2019-10-13 19:02:29,185 INFO L130 BoogieDeclarations]: Found specification of procedure __fdget [2019-10-13 19:02:29,186 INFO L130 BoogieDeclarations]: Found specification of procedure __to_fd [2019-10-13 19:02:29,186 INFO L130 BoogieDeclarations]: Found specification of procedure fdget [2019-10-13 19:02:29,186 INFO L130 BoogieDeclarations]: Found specification of procedure get_unused_fd_flags [2019-10-13 19:02:29,186 INFO L130 BoogieDeclarations]: Found specification of procedure put_unused_fd [2019-10-13 19:02:29,186 INFO L130 BoogieDeclarations]: Found specification of procedure fd_install [2019-10-13 19:02:29,186 INFO L130 BoogieDeclarations]: Found specification of procedure anon_inode_getfile [2019-10-13 19:02:29,186 INFO L130 BoogieDeclarations]: Found specification of procedure iommu_group_for_each_dev [2019-10-13 19:02:29,186 INFO L130 BoogieDeclarations]: Found specification of procedure iommu_group_get [2019-10-13 19:02:29,186 INFO L130 BoogieDeclarations]: Found specification of procedure iommu_group_put [2019-10-13 19:02:29,187 INFO L130 BoogieDeclarations]: Found specification of procedure iommu_group_register_notifier [2019-10-13 19:02:29,187 INFO L130 BoogieDeclarations]: Found specification of procedure iommu_group_unregister_notifier [2019-10-13 19:02:29,187 INFO L130 BoogieDeclarations]: Found specification of procedure iommu_group_id [2019-10-13 19:02:29,187 INFO L130 BoogieDeclarations]: Found specification of procedure misc_register [2019-10-13 19:02:29,187 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_misc_register_12 [2019-10-13 19:02:29,187 INFO L130 BoogieDeclarations]: Found specification of procedure misc_deregister [2019-10-13 19:02:29,187 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_misc_deregister_14 [2019-10-13 19:02:29,187 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_misc_deregister_16 [2019-10-13 19:02:29,188 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2019-10-13 19:02:29,188 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2019-10-13 19:02:29,188 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_from_user_overflow [2019-10-13 19:02:29,188 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_to_user_overflow [2019-10-13 19:02:29,188 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2019-10-13 19:02:29,188 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2019-10-13 19:02:29,188 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_add_group_dev [2019-10-13 19:02:29,188 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_del_group_dev [2019-10-13 19:02:29,189 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_device_get_from_dev [2019-10-13 19:02:29,189 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_device_put [2019-10-13 19:02:29,189 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_device_data [2019-10-13 19:02:29,189 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_register_iommu_driver [2019-10-13 19:02:29,189 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_unregister_iommu_driver [2019-10-13 19:02:29,189 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_get_external_user [2019-10-13 19:02:29,189 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_put_external_user [2019-10-13 19:02:29,189 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_external_user_iommu_id [2019-10-13 19:02:29,190 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_external_check_extension [2019-10-13 19:02:29,190 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_alloc_group_minor [2019-10-13 19:02:29,190 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_free_group_minor [2019-10-13 19:02:29,190 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_iommu_group_notifier [2019-10-13 19:02:29,190 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_get [2019-10-13 19:02:29,190 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_container_get [2019-10-13 19:02:29,190 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_container_release [2019-10-13 19:02:29,190 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_container_put [2019-10-13 19:02:29,190 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_unlock_and_free [2019-10-13 19:02:29,191 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_create_group [2019-10-13 19:02:29,191 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_release [2019-10-13 19:02:29,191 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_put [2019-10-13 19:02:29,191 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_try_get [2019-10-13 19:02:29,191 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_get_from_iommu [2019-10-13 19:02:29,191 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_get_from_minor [2019-10-13 19:02:29,191 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_create_device [2019-10-13 19:02:29,191 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_device_release [2019-10-13 19:02:29,192 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_device_get [2019-10-13 19:02:29,192 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_get_device [2019-10-13 19:02:29,192 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_whitelisted_driver [2019-10-13 19:02:29,192 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_dev_viable [2019-10-13 19:02:29,192 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_nb_add_dev [2019-10-13 19:02:29,192 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_nb_verify [2019-10-13 19:02:29,193 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_dev_present [2019-10-13 19:02:29,193 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2019-10-13 19:02:29,193 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_ioctl_check_extension [2019-10-13 19:02:29,193 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2019-10-13 19:02:29,194 INFO L130 BoogieDeclarations]: Found specification of procedure __vfio_container_attach_groups [2019-10-13 19:02:29,194 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-10-13 19:02:29,194 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2019-10-13 19:02:29,194 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_ioctl_set_iommu [2019-10-13 19:02:29,194 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~$Pointer$ [2019-10-13 19:02:29,194 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_fops_unl_ioctl [2019-10-13 19:02:29,194 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_fops_compat_ioctl [2019-10-13 19:02:29,194 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_fops_open [2019-10-13 19:02:29,194 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_fops_release [2019-10-13 19:02:29,195 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_fops_read [2019-10-13 19:02:29,195 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2019-10-13 19:02:29,195 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_fops_write [2019-10-13 19:02:29,195 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_fops_mmap [2019-10-13 19:02:29,195 INFO L130 BoogieDeclarations]: Found specification of procedure __vfio_group_unset_container [2019-10-13 19:02:29,195 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_unset_container [2019-10-13 19:02:29,195 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_try_dissolve_container [2019-10-13 19:02:29,195 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_set_container [2019-10-13 19:02:29,196 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_viable [2019-10-13 19:02:29,196 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_get_device_fd [2019-10-13 19:02:29,196 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2019-10-13 19:02:29,196 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_fops_unl_ioctl [2019-10-13 19:02:29,196 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_fops_compat_ioctl [2019-10-13 19:02:29,196 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_fops_open [2019-10-13 19:02:29,242 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_fops_release [2019-10-13 19:02:29,243 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_device_fops_release [2019-10-13 19:02:29,243 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_device_fops_unl_ioctl [2019-10-13 19:02:29,243 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_device_fops_read [2019-10-13 19:02:29,243 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_device_fops_write [2019-10-13 19:02:29,243 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_device_fops_mmap [2019-10-13 19:02:29,243 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_device_fops_compat_ioctl [2019-10-13 19:02:29,243 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_devnode [2019-10-13 19:02:29,243 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_init [2019-10-13 19:02:29,244 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_cleanup [2019-10-13 19:02:29,244 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_open_1 [2019-10-13 19:02:29,244 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-13 19:02:29,244 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-13 19:02:29,244 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 19:02:29,244 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-13 19:02:29,244 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-10-13 19:02:29,244 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_get [2019-10-13 19:02:29,245 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_and_exit [2019-10-13 19:02:29,245 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_refcount [2019-10-13 19:02:29,245 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-13 19:02:29,245 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-10-13 19:02:29,245 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 19:02:29,245 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 19:02:29,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 19:02:29,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-13 19:02:29,246 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 19:02:29,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-13 19:02:29,246 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-13 19:02:29,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-13 19:02:29,246 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-13 19:02:30,537 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-13 19:02:35,045 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_module_put_and_exitFINAL: assume true; [2019-10-13 19:02:35,657 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 19:02:35,657 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-13 19:02:35,660 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:02:35 BoogieIcfgContainer [2019-10-13 19:02:35,660 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 19:02:35,661 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 19:02:35,661 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 19:02:35,664 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 19:02:35,665 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 07:02:25" (1/3) ... [2019-10-13 19:02:35,666 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6693b209 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:02:35, skipping insertion in model container [2019-10-13 19:02:35,666 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:02:28" (2/3) ... [2019-10-13 19:02:35,667 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6693b209 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:02:35, skipping insertion in model container [2019-10-13 19:02:35,667 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:02:35" (3/3) ... [2019-10-13 19:02:35,669 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--vfio--vfio.ko-entry_point.cil.out.i [2019-10-13 19:02:35,679 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 19:02:35,691 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 19:02:35,703 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 19:02:35,740 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 19:02:35,740 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 19:02:35,740 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 19:02:35,740 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 19:02:35,740 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 19:02:35,740 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 19:02:35,741 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 19:02:35,741 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 19:02:35,792 INFO L276 IsEmpty]: Start isEmpty. Operand 1853 states. [2019-10-13 19:02:35,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 351 [2019-10-13 19:02:35,826 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:02:35,827 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] [2019-10-13 19:02:35,830 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:02:35,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:02:35,837 INFO L82 PathProgramCache]: Analyzing trace with hash -198137817, now seen corresponding path program 1 times [2019-10-13 19:02:35,846 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:02:35,847 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [338105867] [2019-10-13 19:02:35,847 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:02:35,847 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:02:35,847 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:02:36,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:02:39,316 WARN L191 SmtUtils]: Spent 2.51 s on a formula simplification that was a NOOP. DAG size: 652 [2019-10-13 19:02:39,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:02:39,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:02:39,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:02:39,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:02:39,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:02:39,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:02:39,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:02:39,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:02:39,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:02:39,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:02:39,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:02:39,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:02:39,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:02:39,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:02:39,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:02:39,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:02:39,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:02:39,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:02:39,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:02:39,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:02:39,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:02:39,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:02:39,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:02:39,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:02:39,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:02:39,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:02:39,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:02:39,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:02:39,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:02:39,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:02:39,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:02:39,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:02:39,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:02:39,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:02:39,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:02:39,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:02:39,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:02:39,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:02:39,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:02:39,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:02:39,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:02:39,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:02:39,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:02:39,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:02:39,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:02:39,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:02:39,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:02:39,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:02:39,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:02:39,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:02:39,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:02:39,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:02:39,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:02:39,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:02:40,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:02:40,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:02:40,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:02:40,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:02:40,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:02:40,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:02:40,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:02:40,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:02:40,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:02:40,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:02:40,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:02:40,588 INFO L134 CoverageAnalysis]: Checked inductivity of 1443 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1443 trivial. 0 not checked. [2019-10-13 19:02:40,589 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [338105867] [2019-10-13 19:02:40,590 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 19:02:40,590 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-13 19:02:40,591 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891360256] [2019-10-13 19:02:40,597 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-13 19:02:40,597 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:02:40,611 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-13 19:02:40,612 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2019-10-13 19:02:40,615 INFO L87 Difference]: Start difference. First operand 1853 states. Second operand 9 states. [2019-10-13 19:02:50,432 WARN L191 SmtUtils]: Spent 2.44 s on a formula simplification that was a NOOP. DAG size: 654