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/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.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 0.1.24-112bae1 [2019-09-10 12:13:02,258 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-10 12:13:02,262 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-10 12:13:02,275 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-10 12:13:02,275 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-10 12:13:02,276 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-10 12:13:02,277 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-10 12:13:02,279 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-10 12:13:02,281 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-10 12:13:02,282 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-10 12:13:02,283 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-10 12:13:02,284 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-10 12:13:02,284 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-10 12:13:02,285 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-10 12:13:02,286 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-10 12:13:02,287 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-10 12:13:02,287 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-10 12:13:02,288 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-10 12:13:02,290 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-10 12:13:02,292 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-10 12:13:02,294 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-10 12:13:02,295 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-10 12:13:02,296 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-10 12:13:02,297 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-10 12:13:02,299 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-10 12:13:02,299 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-10 12:13:02,300 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-10 12:13:02,300 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-10 12:13:02,301 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-10 12:13:02,302 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-10 12:13:02,302 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-10 12:13:02,303 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-10 12:13:02,303 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-10 12:13:02,304 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-10 12:13:02,305 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-10 12:13:02,306 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-10 12:13:02,306 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-10 12:13:02,307 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-10 12:13:02,307 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-10 12:13:02,308 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-10 12:13:02,308 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-10 12:13:02,309 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-09-10 12:13:02,324 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-10 12:13:02,325 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-10 12:13:02,325 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-10 12:13:02,325 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-10 12:13:02,326 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-10 12:13:02,326 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-10 12:13:02,326 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-10 12:13:02,326 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-10 12:13:02,327 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-10 12:13:02,327 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-10 12:13:02,327 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-10 12:13:02,328 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-10 12:13:02,328 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-10 12:13:02,328 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-10 12:13:02,328 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-10 12:13:02,328 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-10 12:13:02,329 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-10 12:13:02,329 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-10 12:13:02,329 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-10 12:13:02,329 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-10 12:13:02,330 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-10 12:13:02,330 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-10 12:13:02,330 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-10 12:13:02,330 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 12:13:02,330 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-10 12:13:02,331 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-10 12:13:02,331 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-10 12:13:02,331 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-10 12:13:02,331 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-10 12:13:02,331 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-10 12:13:02,359 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-10 12:13:02,372 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-10 12:13:02,376 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-10 12:13:02,378 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-10 12:13:02,378 INFO L275 PluginConnector]: CDTParser initialized [2019-09-10 12:13:02,379 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--vfio--vfio.ko-entry_point.cil.out.i [2019-09-10 12:13:02,441 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3a8c80691/06f7d587312146c992715f09635cd261/FLAG75bf16aff [2019-09-10 12:13:03,242 INFO L306 CDTParser]: Found 1 translation units. [2019-09-10 12:13:03,243 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--vfio--vfio.ko-entry_point.cil.out.i [2019-09-10 12:13:03,290 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3a8c80691/06f7d587312146c992715f09635cd261/FLAG75bf16aff [2019-09-10 12:13:03,772 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3a8c80691/06f7d587312146c992715f09635cd261 [2019-09-10 12:13:03,783 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-10 12:13:03,784 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-10 12:13:03,785 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-10 12:13:03,786 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-10 12:13:03,789 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-10 12:13:03,790 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 12:13:03" (1/1) ... [2019-09-10 12:13:03,795 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17692d9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 12:13:03, skipping insertion in model container [2019-09-10 12:13:03,795 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 12:13:03" (1/1) ... [2019-09-10 12:13:03,803 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-10 12:13:03,963 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-10 12:13:05,881 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 12:13:05,933 INFO L188 MainTranslator]: Completed pre-run [2019-09-10 12:13:06,207 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 12:13:06,609 INFO L192 MainTranslator]: Completed translation [2019-09-10 12:13:06,610 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 12:13:06 WrapperNode [2019-09-10 12:13:06,610 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-10 12:13:06,612 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-10 12:13:06,612 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-10 12:13:06,612 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-10 12:13:06,630 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 12:13:06" (1/1) ... [2019-09-10 12:13:06,633 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 12:13:06" (1/1) ... [2019-09-10 12:13:06,746 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 12:13:06" (1/1) ... [2019-09-10 12:13:06,747 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 12:13:06" (1/1) ... [2019-09-10 12:13:06,871 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 12:13:06" (1/1) ... [2019-09-10 12:13:06,890 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 12:13:06" (1/1) ... [2019-09-10 12:13:06,943 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 12:13:06" (1/1) ... [2019-09-10 12:13:06,995 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-10 12:13:06,996 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-10 12:13:06,996 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-10 12:13:06,996 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-10 12:13:06,999 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 12:13:06" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 12:13:07,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-10 12:13:07,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-10 12:13:07,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-09-10 12:13:07,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2019-09-10 12:13:07,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2019-09-10 12:13:07,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-09-10 12:13:07,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2019-09-10 12:13:07,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~$Pointer$ [2019-09-10 12:13:07,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2019-09-10 12:13:07,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2019-09-10 12:13:07,073 INFO L138 BoogieDeclarations]: Found implementation of procedure __read_once_size [2019-09-10 12:13:07,073 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-09-10 12:13:07,074 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2019-09-10 12:13:07,075 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2019-09-10 12:13:07,075 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2019-09-10 12:13:07,076 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2019-09-10 12:13:07,076 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2019-09-10 12:13:07,076 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_sub_and_test [2019-09-10 12:13:07,076 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2019-09-10 12:13:07,076 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2019-09-10 12:13:07,077 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2019-09-10 12:13:07,077 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2019-09-10 12:13:07,077 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_cmpxchg [2019-09-10 12:13:07,077 INFO L138 BoogieDeclarations]: Found implementation of procedure __atomic_add_unless [2019-09-10 12:13:07,078 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_unless [2019-09-10 12:13:07,078 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_if_positive [2019-09-10 12:13:07,078 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_find [2019-09-10 12:13:07,079 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_init [2019-09-10 12:13:07,079 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2019-09-10 12:13:07,079 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2019-09-10 12:13:07,079 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2019-09-10 12:13:07,079 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put_mutex [2019-09-10 12:13:07,079 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2019-09-10 12:13:07,079 INFO L138 BoogieDeclarations]: Found implementation of procedure task_pid_nr [2019-09-10 12:13:07,080 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-09-10 12:13:07,080 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-09-10 12:13:07,080 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-09-10 12:13:07,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-09-10 12:13:07,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-09-10 12:13:07,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2019-09-10 12:13:07,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2019-09-10 12:13:07,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-09-10 12:13:07,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-09-10 12:13:07,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-09-10 12:13:07,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-09-10 12:13:07,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-09-10 12:13:07,082 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2019-09-10 12:13:07,082 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2019-09-10 12:13:07,082 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2019-09-10 12:13:07,082 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-09-10 12:13:07,082 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-09-10 12:13:07,082 INFO L138 BoogieDeclarations]: Found implementation of procedure fdput [2019-09-10 12:13:07,082 INFO L138 BoogieDeclarations]: Found implementation of procedure __to_fd [2019-09-10 12:13:07,083 INFO L138 BoogieDeclarations]: Found implementation of procedure fdget [2019-09-10 12:13:07,083 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2019-09-10 12:13:07,083 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2019-09-10 12:13:07,083 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_register_iommu_driver [2019-09-10 12:13:07,083 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_unregister_iommu_driver [2019-09-10 12:13:07,084 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_alloc_group_minor [2019-09-10 12:13:07,084 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_free_group_minor [2019-09-10 12:13:07,084 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_container_get [2019-09-10 12:13:07,084 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_container_release [2019-09-10 12:13:07,084 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_container_put [2019-09-10 12:13:07,084 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_unlock_and_free [2019-09-10 12:13:07,085 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_create_group [2019-09-10 12:13:07,085 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_release [2019-09-10 12:13:07,085 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_put [2019-09-10 12:13:07,085 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_get [2019-09-10 12:13:07,085 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_try_get [2019-09-10 12:13:07,085 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_get_from_iommu [2019-09-10 12:13:07,086 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_get_from_minor [2019-09-10 12:13:07,086 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_create_device [2019-09-10 12:13:07,086 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_device_release [2019-09-10 12:13:07,087 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_device_put [2019-09-10 12:13:07,087 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_device_get [2019-09-10 12:13:07,087 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_get_device [2019-09-10 12:13:07,087 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_whitelisted_driver [2019-09-10 12:13:07,087 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_dev_viable [2019-09-10 12:13:07,088 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_nb_add_dev [2019-09-10 12:13:07,088 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_nb_verify [2019-09-10 12:13:07,088 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_iommu_group_notifier [2019-09-10 12:13:07,088 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_add_group_dev [2019-09-10 12:13:07,089 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_device_get_from_dev [2019-09-10 12:13:07,089 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_device_data [2019-09-10 12:13:07,089 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_dev_present [2019-09-10 12:13:07,090 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_del_group_dev [2019-09-10 12:13:07,091 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_ioctl_check_extension [2019-09-10 12:13:07,091 INFO L138 BoogieDeclarations]: Found implementation of procedure __vfio_container_attach_groups [2019-09-10 12:13:07,091 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_ioctl_set_iommu [2019-09-10 12:13:07,091 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_fops_unl_ioctl [2019-09-10 12:13:07,091 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_fops_compat_ioctl [2019-09-10 12:13:07,091 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_fops_open [2019-09-10 12:13:07,092 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_fops_release [2019-09-10 12:13:07,092 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_fops_read [2019-09-10 12:13:07,092 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_fops_write [2019-09-10 12:13:07,092 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_fops_mmap [2019-09-10 12:13:07,092 INFO L138 BoogieDeclarations]: Found implementation of procedure __vfio_group_unset_container [2019-09-10 12:13:07,092 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_unset_container [2019-09-10 12:13:07,092 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_try_dissolve_container [2019-09-10 12:13:07,093 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_set_container [2019-09-10 12:13:07,093 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_viable [2019-09-10 12:13:07,093 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_get_device_fd [2019-09-10 12:13:07,093 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_fops_unl_ioctl [2019-09-10 12:13:07,093 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_fops_compat_ioctl [2019-09-10 12:13:07,093 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_fops_open [2019-09-10 12:13:07,094 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_fops_release [2019-09-10 12:13:07,094 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_device_fops_release [2019-09-10 12:13:07,094 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_device_fops_unl_ioctl [2019-09-10 12:13:07,094 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_device_fops_read [2019-09-10 12:13:07,094 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_device_fops_write [2019-09-10 12:13:07,094 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_device_fops_mmap [2019-09-10 12:13:07,094 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_device_fops_compat_ioctl [2019-09-10 12:13:07,095 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_get_external_user [2019-09-10 12:13:07,095 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_put_external_user [2019-09-10 12:13:07,095 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_external_user_iommu_id [2019-09-10 12:13:07,095 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_external_check_extension [2019-09-10 12:13:07,096 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_devnode [2019-09-10 12:13:07,096 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_init [2019-09-10 12:13:07,096 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_cleanup [2019-09-10 12:13:07,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_2 [2019-09-10 12:13:07,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_1 [2019-09-10 12:13:07,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_3 [2019-09-10 12:13:07,097 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-10 12:13:07,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2019-09-10 12:13:07,098 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2019-09-10 12:13:07,098 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2019-09-10 12:13:07,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get_5 [2019-09-10 12:13:07,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_6 [2019-09-10 12:13:07,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get_7 [2019-09-10 12:13:07,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_8 [2019-09-10 12:13:07,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_9 [2019-09-10 12:13:07,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_10 [2019-09-10 12:13:07,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_11 [2019-09-10 12:13:07,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_misc_register_12 [2019-09-10 12:13:07,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_cdev_init_13 [2019-09-10 12:13:07,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_misc_deregister_14 [2019-09-10 12:13:07,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_cdev_del_15 [2019-09-10 12:13:07,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_misc_deregister_16 [2019-09-10 12:13:07,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-09-10 12:13:07,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-09-10 12:13:07,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-09-10 12:13:07,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-09-10 12:13:07,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-09-10 12:13:07,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_get [2019-09-10 12:13:07,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get [2019-09-10 12:13:07,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2019-09-10 12:13:07,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_and_exit [2019-09-10 12:13:07,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_refcount [2019-09-10 12:13:07,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-09-10 12:13:07,114 INFO L138 BoogieDeclarations]: Found implementation of procedure __class_create [2019-09-10 12:13:07,114 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_from_user_overflow [2019-09-10 12:13:07,114 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_to_user_overflow [2019-09-10 12:13:07,114 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2019-09-10 12:13:07,114 INFO L138 BoogieDeclarations]: Found implementation of procedure __fdget [2019-09-10 12:13:07,114 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_rwsem [2019-09-10 12:13:07,114 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2019-09-10 12:13:07,115 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2019-09-10 12:13:07,115 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2019-09-10 12:13:07,115 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2019-09-10 12:13:07,115 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2019-09-10 12:13:07,115 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_module [2019-09-10 12:13:07,115 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2019-09-10 12:13:07,115 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2019-09-10 12:13:07,115 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2019-09-10 12:13:07,116 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_chrdev_region [2019-09-10 12:13:07,116 INFO L138 BoogieDeclarations]: Found implementation of procedure anon_inode_getfile [2019-09-10 12:13:07,116 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_add [2019-09-10 12:13:07,116 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_del [2019-09-10 12:13:07,116 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_init [2019-09-10 12:13:07,116 INFO L138 BoogieDeclarations]: Found implementation of procedure class_destroy [2019-09-10 12:13:07,116 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2019-09-10 12:13:07,117 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2019-09-10 12:13:07,117 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create [2019-09-10 12:13:07,117 INFO L138 BoogieDeclarations]: Found implementation of procedure device_destroy [2019-09-10 12:13:07,117 INFO L138 BoogieDeclarations]: Found implementation of procedure down_read [2019-09-10 12:13:07,117 INFO L138 BoogieDeclarations]: Found implementation of procedure down_write [2019-09-10 12:13:07,117 INFO L138 BoogieDeclarations]: Found implementation of procedure fd_install [2019-09-10 12:13:07,117 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2019-09-10 12:13:07,118 INFO L138 BoogieDeclarations]: Found implementation of procedure fput [2019-09-10 12:13:07,118 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unused_fd_flags [2019-09-10 12:13:07,118 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_alloc [2019-09-10 12:13:07,118 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_destroy [2019-09-10 12:13:07,118 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_find_slowpath [2019-09-10 12:13:07,118 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_init [2019-09-10 12:13:07,118 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_remove [2019-09-10 12:13:07,118 INFO L138 BoogieDeclarations]: Found implementation of procedure iommu_group_for_each_dev [2019-09-10 12:13:07,119 INFO L138 BoogieDeclarations]: Found implementation of procedure iommu_group_get [2019-09-10 12:13:07,119 INFO L138 BoogieDeclarations]: Found implementation of procedure iommu_group_id [2019-09-10 12:13:07,119 INFO L138 BoogieDeclarations]: Found implementation of procedure iommu_group_put [2019-09-10 12:13:07,119 INFO L138 BoogieDeclarations]: Found implementation of procedure iommu_group_register_notifier [2019-09-10 12:13:07,119 INFO L138 BoogieDeclarations]: Found implementation of procedure iommu_group_unregister_notifier [2019-09-10 12:13:07,119 INFO L138 BoogieDeclarations]: Found implementation of procedure kasprintf [2019-09-10 12:13:07,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-09-10 12:13:07,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_open_1 [2019-09-10 12:13:07,120 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2019-09-10 12:13:07,120 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_deregister [2019-09-10 12:13:07,120 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_register [2019-09-10 12:13:07,120 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2019-09-10 12:13:07,120 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-09-10 12:13:07,120 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2019-09-10 12:13:07,120 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-09-10 12:13:07,121 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unused_fd [2019-09-10 12:13:07,121 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2019-09-10 12:13:07,121 INFO L138 BoogieDeclarations]: Found implementation of procedure strndup_user [2019-09-10 12:13:07,121 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev_region [2019-09-10 12:13:07,121 INFO L138 BoogieDeclarations]: Found implementation of procedure up_read [2019-09-10 12:13:07,121 INFO L138 BoogieDeclarations]: Found implementation of procedure up_write [2019-09-10 12:13:07,121 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_fmt [2019-09-10 12:13:07,121 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2019-09-10 12:13:07,122 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-09-10 12:13:07,122 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-09-10 12:13:07,122 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-09-10 12:13:07,122 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-09-10 12:13:07,122 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-09-10 12:13:07,122 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-10 12:13:07,122 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-10 12:13:07,123 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-09-10 12:13:07,123 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-09-10 12:13:07,123 INFO L130 BoogieDeclarations]: Found specification of procedure __read_once_size [2019-09-10 12:13:07,123 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-09-10 12:13:07,123 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-10 12:13:07,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-10 12:13:07,123 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-09-10 12:13:07,124 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2019-09-10 12:13:07,124 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2019-09-10 12:13:07,124 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2019-09-10 12:13:07,124 INFO L130 BoogieDeclarations]: Found specification of procedure kasprintf [2019-09-10 12:13:07,124 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-09-10 12:13:07,124 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-09-10 12:13:07,124 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-09-10 12:13:07,124 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-09-10 12:13:07,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-10 12:13:07,125 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2019-09-10 12:13:07,125 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2019-09-10 12:13:07,125 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-10 12:13:07,125 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2019-09-10 12:13:07,125 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2019-09-10 12:13:07,125 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2019-09-10 12:13:07,125 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_fmt [2019-09-10 12:13:07,126 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2019-09-10 12:13:07,126 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2019-09-10 12:13:07,126 INFO L130 BoogieDeclarations]: Found specification of procedure strndup_user [2019-09-10 12:13:07,126 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-09-10 12:13:07,126 INFO L130 BoogieDeclarations]: Found specification of procedure strcmp [2019-09-10 12:13:07,126 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2019-09-10 12:13:07,126 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2019-09-10 12:13:07,126 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2019-09-10 12:13:07,127 INFO L130 BoogieDeclarations]: Found specification of procedure __cmpxchg_wrong_size [2019-09-10 12:13:07,127 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2019-09-10 12:13:07,127 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2019-09-10 12:13:07,127 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2019-09-10 12:13:07,127 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_sub_and_test [2019-09-10 12:13:07,127 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2019-09-10 12:13:07,127 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2019-09-10 12:13:07,127 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2019-09-10 12:13:07,128 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2019-09-10 12:13:07,128 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_cmpxchg [2019-09-10 12:13:07,128 INFO L130 BoogieDeclarations]: Found specification of procedure __atomic_add_unless [2019-09-10 12:13:07,128 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_unless [2019-09-10 12:13:07,128 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_if_positive [2019-09-10 12:13:07,128 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2019-09-10 12:13:07,128 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2019-09-10 12:13:07,128 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2019-09-10 12:13:07,129 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2019-09-10 12:13:07,129 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2019-09-10 12:13:07,129 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2019-09-10 12:13:07,129 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-09-10 12:13:07,129 INFO L130 BoogieDeclarations]: Found specification of procedure __init_rwsem [2019-09-10 12:13:07,129 INFO L130 BoogieDeclarations]: Found specification of procedure down_read [2019-09-10 12:13:07,129 INFO L130 BoogieDeclarations]: Found specification of procedure down_write [2019-09-10 12:13:07,129 INFO L130 BoogieDeclarations]: Found specification of procedure up_read [2019-09-10 12:13:07,130 INFO L130 BoogieDeclarations]: Found specification of procedure up_write [2019-09-10 12:13:07,130 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2019-09-10 12:13:07,130 INFO L130 BoogieDeclarations]: Found specification of procedure __request_module [2019-09-10 12:13:07,130 INFO L130 BoogieDeclarations]: Found specification of procedure idr_find_slowpath [2019-09-10 12:13:07,130 INFO L130 BoogieDeclarations]: Found specification of procedure idr_alloc [2019-09-10 12:13:07,130 INFO L130 BoogieDeclarations]: Found specification of procedure idr_remove [2019-09-10 12:13:07,130 INFO L130 BoogieDeclarations]: Found specification of procedure idr_destroy [2019-09-10 12:13:07,131 INFO L130 BoogieDeclarations]: Found specification of procedure idr_init [2019-09-10 12:13:07,131 INFO L130 BoogieDeclarations]: Found specification of procedure idr_find [2019-09-10 12:13:07,131 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-10 12:13:07,131 INFO L130 BoogieDeclarations]: Found specification of procedure kref_init [2019-09-10 12:13:07,131 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2019-09-10 12:13:07,131 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2019-09-10 12:13:07,131 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-09-10 12:13:07,132 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2019-09-10 12:13:07,132 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put_mutex [2019-09-10 12:13:07,132 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2019-09-10 12:13:07,132 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get_5 [2019-09-10 12:13:07,132 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get_7 [2019-09-10 12:13:07,132 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_6 [2019-09-10 12:13:07,132 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_8 [2019-09-10 12:13:07,133 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_9 [2019-09-10 12:13:07,133 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_10 [2019-09-10 12:13:07,133 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_11 [2019-09-10 12:13:07,133 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get [2019-09-10 12:13:07,133 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2019-09-10 12:13:07,133 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2019-09-10 12:13:07,133 INFO L130 BoogieDeclarations]: Found specification of procedure task_pid_nr [2019-09-10 12:13:07,133 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-09-10 12:13:07,134 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-09-10 12:13:07,134 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-09-10 12:13:07,134 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-09-10 12:13:07,134 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-09-10 12:13:07,134 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-10 12:13:07,134 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-10 12:13:07,134 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-10 12:13:07,134 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-09-10 12:13:07,135 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-10 12:13:07,135 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-10 12:13:07,135 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-10 12:13:07,135 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-09-10 12:13:07,135 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-09-10 12:13:07,135 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2019-09-10 12:13:07,135 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2019-09-10 12:13:07,136 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-09-10 12:13:07,136 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-09-10 12:13:07,136 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-09-10 12:13:07,136 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-09-10 12:13:07,136 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-09-10 12:13:07,136 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_2 [2019-09-10 12:13:07,136 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_1 [2019-09-10 12:13:07,136 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_3 [2019-09-10 12:13:07,137 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_init [2019-09-10 12:13:07,137 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_cdev_init_13 [2019-09-10 12:13:07,137 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_add [2019-09-10 12:13:07,137 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_del [2019-09-10 12:13:07,137 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_cdev_del_15 [2019-09-10 12:13:07,137 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2019-09-10 12:13:07,137 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_chrdev_region [2019-09-10 12:13:07,137 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev_region [2019-09-10 12:13:07,137 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2019-09-10 12:13:07,138 INFO L130 BoogieDeclarations]: Found specification of procedure __class_create [2019-09-10 12:13:07,138 INFO L130 BoogieDeclarations]: Found specification of procedure class_destroy [2019-09-10 12:13:07,138 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2019-09-10 12:13:07,138 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-09-10 12:13:07,138 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-09-10 12:13:07,138 INFO L130 BoogieDeclarations]: Found specification of procedure device_create [2019-09-10 12:13:07,138 INFO L130 BoogieDeclarations]: Found specification of procedure device_destroy [2019-09-10 12:13:07,138 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2019-09-10 12:13:07,139 INFO L130 BoogieDeclarations]: Found specification of procedure fput [2019-09-10 12:13:07,139 INFO L130 BoogieDeclarations]: Found specification of procedure fdput [2019-09-10 12:13:07,139 INFO L130 BoogieDeclarations]: Found specification of procedure __fdget [2019-09-10 12:13:07,139 INFO L130 BoogieDeclarations]: Found specification of procedure __to_fd [2019-09-10 12:13:07,139 INFO L130 BoogieDeclarations]: Found specification of procedure fdget [2019-09-10 12:13:07,139 INFO L130 BoogieDeclarations]: Found specification of procedure get_unused_fd_flags [2019-09-10 12:13:07,139 INFO L130 BoogieDeclarations]: Found specification of procedure put_unused_fd [2019-09-10 12:13:07,139 INFO L130 BoogieDeclarations]: Found specification of procedure fd_install [2019-09-10 12:13:07,139 INFO L130 BoogieDeclarations]: Found specification of procedure anon_inode_getfile [2019-09-10 12:13:07,140 INFO L130 BoogieDeclarations]: Found specification of procedure iommu_group_for_each_dev [2019-09-10 12:13:07,140 INFO L130 BoogieDeclarations]: Found specification of procedure iommu_group_get [2019-09-10 12:13:07,140 INFO L130 BoogieDeclarations]: Found specification of procedure iommu_group_put [2019-09-10 12:13:07,140 INFO L130 BoogieDeclarations]: Found specification of procedure iommu_group_register_notifier [2019-09-10 12:13:07,140 INFO L130 BoogieDeclarations]: Found specification of procedure iommu_group_unregister_notifier [2019-09-10 12:13:07,140 INFO L130 BoogieDeclarations]: Found specification of procedure iommu_group_id [2019-09-10 12:13:07,140 INFO L130 BoogieDeclarations]: Found specification of procedure misc_register [2019-09-10 12:13:07,140 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_misc_register_12 [2019-09-10 12:13:07,141 INFO L130 BoogieDeclarations]: Found specification of procedure misc_deregister [2019-09-10 12:13:07,141 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_misc_deregister_14 [2019-09-10 12:13:07,141 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_misc_deregister_16 [2019-09-10 12:13:07,141 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2019-09-10 12:13:07,141 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2019-09-10 12:13:07,141 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_from_user_overflow [2019-09-10 12:13:07,141 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_to_user_overflow [2019-09-10 12:13:07,141 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2019-09-10 12:13:07,142 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2019-09-10 12:13:07,142 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_add_group_dev [2019-09-10 12:13:07,142 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_del_group_dev [2019-09-10 12:13:07,142 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_device_get_from_dev [2019-09-10 12:13:07,142 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_device_put [2019-09-10 12:13:07,142 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_device_data [2019-09-10 12:13:07,142 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_register_iommu_driver [2019-09-10 12:13:07,143 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_unregister_iommu_driver [2019-09-10 12:13:07,143 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_get_external_user [2019-09-10 12:13:07,143 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_put_external_user [2019-09-10 12:13:07,143 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_external_user_iommu_id [2019-09-10 12:13:07,143 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_external_check_extension [2019-09-10 12:13:07,143 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_alloc_group_minor [2019-09-10 12:13:07,143 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_free_group_minor [2019-09-10 12:13:07,143 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_iommu_group_notifier [2019-09-10 12:13:07,144 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_get [2019-09-10 12:13:07,144 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_container_get [2019-09-10 12:13:07,144 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_container_release [2019-09-10 12:13:07,144 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_container_put [2019-09-10 12:13:07,144 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_unlock_and_free [2019-09-10 12:13:07,144 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_create_group [2019-09-10 12:13:07,144 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_release [2019-09-10 12:13:07,145 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_put [2019-09-10 12:13:07,145 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_try_get [2019-09-10 12:13:07,145 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_get_from_iommu [2019-09-10 12:13:07,145 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_get_from_minor [2019-09-10 12:13:07,145 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_create_device [2019-09-10 12:13:07,145 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_device_release [2019-09-10 12:13:07,145 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_device_get [2019-09-10 12:13:07,145 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_get_device [2019-09-10 12:13:07,146 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_whitelisted_driver [2019-09-10 12:13:07,146 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_dev_viable [2019-09-10 12:13:07,146 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_nb_add_dev [2019-09-10 12:13:07,146 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_nb_verify [2019-09-10 12:13:07,146 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_dev_present [2019-09-10 12:13:07,146 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2019-09-10 12:13:07,146 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_ioctl_check_extension [2019-09-10 12:13:07,147 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2019-09-10 12:13:07,147 INFO L130 BoogieDeclarations]: Found specification of procedure __vfio_container_attach_groups [2019-09-10 12:13:07,147 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-09-10 12:13:07,147 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2019-09-10 12:13:07,147 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_ioctl_set_iommu [2019-09-10 12:13:07,147 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~$Pointer$ [2019-09-10 12:13:07,147 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_fops_unl_ioctl [2019-09-10 12:13:07,148 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_fops_compat_ioctl [2019-09-10 12:13:07,148 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_fops_open [2019-09-10 12:13:07,148 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_fops_release [2019-09-10 12:13:07,148 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_fops_read [2019-09-10 12:13:07,148 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2019-09-10 12:13:07,148 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_fops_write [2019-09-10 12:13:07,148 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_fops_mmap [2019-09-10 12:13:07,149 INFO L130 BoogieDeclarations]: Found specification of procedure __vfio_group_unset_container [2019-09-10 12:13:07,149 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_unset_container [2019-09-10 12:13:07,149 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_try_dissolve_container [2019-09-10 12:13:07,149 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_set_container [2019-09-10 12:13:07,149 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_viable [2019-09-10 12:13:07,149 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_get_device_fd [2019-09-10 12:13:07,149 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2019-09-10 12:13:07,149 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_fops_unl_ioctl [2019-09-10 12:13:07,150 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_fops_compat_ioctl [2019-09-10 12:13:07,150 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_fops_open [2019-09-10 12:13:07,150 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_fops_release [2019-09-10 12:13:07,150 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_device_fops_release [2019-09-10 12:13:07,150 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_device_fops_unl_ioctl [2019-09-10 12:13:07,150 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_device_fops_read [2019-09-10 12:13:07,150 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_device_fops_write [2019-09-10 12:13:07,150 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_device_fops_mmap [2019-09-10 12:13:07,150 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_device_fops_compat_ioctl [2019-09-10 12:13:07,151 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_devnode [2019-09-10 12:13:07,151 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_init [2019-09-10 12:13:07,151 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_cleanup [2019-09-10 12:13:07,151 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_open_1 [2019-09-10 12:13:07,151 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-09-10 12:13:07,151 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-09-10 12:13:07,151 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-10 12:13:07,151 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-09-10 12:13:07,152 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-09-10 12:13:07,152 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_get [2019-09-10 12:13:07,152 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_and_exit [2019-09-10 12:13:07,152 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_refcount [2019-09-10 12:13:07,152 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-09-10 12:13:07,152 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-09-10 12:13:07,152 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-10 12:13:07,152 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-10 12:13:07,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-10 12:13:07,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-10 12:13:07,153 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-10 12:13:07,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-09-10 12:13:07,153 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-09-10 12:13:07,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-09-10 12:13:07,153 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-09-10 12:13:08,144 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-09-10 12:13:12,347 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_module_put_and_exitFINAL: assume true; [2019-09-10 12:13:12,820 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-10 12:13:12,820 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-10 12:13:12,822 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 12:13:12 BoogieIcfgContainer [2019-09-10 12:13:12,823 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-10 12:13:12,823 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-10 12:13:12,824 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-10 12:13:12,826 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-10 12:13:12,827 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.09 12:13:03" (1/3) ... [2019-09-10 12:13:12,827 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63537c31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 12:13:12, skipping insertion in model container [2019-09-10 12:13:12,828 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 12:13:06" (2/3) ... [2019-09-10 12:13:12,828 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63537c31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 12:13:12, skipping insertion in model container [2019-09-10 12:13:12,828 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 12:13:12" (3/3) ... [2019-09-10 12:13:12,830 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--vfio--vfio.ko-entry_point.cil.out.i [2019-09-10 12:13:12,839 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-10 12:13:12,854 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-10 12:13:12,871 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-10 12:13:12,902 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-10 12:13:12,902 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-10 12:13:12,902 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-10 12:13:12,902 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-10 12:13:12,902 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-10 12:13:12,902 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-10 12:13:12,903 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-10 12:13:12,903 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-10 12:13:12,957 INFO L276 IsEmpty]: Start isEmpty. Operand 1854 states. [2019-09-10 12:13:13,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 361 [2019-09-10 12:13:13,007 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 12:13:13,008 INFO L399 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 10, 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] [2019-09-10 12:13:13,011 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 12:13:13,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 12:13:13,017 INFO L82 PathProgramCache]: Analyzing trace with hash -620365071, now seen corresponding path program 1 times [2019-09-10 12:13:13,019 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 12:13:13,105 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 12:13:13,105 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 12:13:13,105 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 12:13:13,105 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 12:13:13,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 12:13:14,302 INFO L134 CoverageAnalysis]: Checked inductivity of 1488 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1488 trivial. 0 not checked. [2019-09-10 12:13:14,305 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 12:13:14,305 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 12:13:14,305 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 12:13:14,313 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 12:13:14,326 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 12:13:14,326 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 12:13:14,328 INFO L87 Difference]: Start difference. First operand 1854 states. Second operand 3 states. [2019-09-10 12:13:15,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 12:13:15,243 INFO L93 Difference]: Finished difference Result 2649 states and 3433 transitions. [2019-09-10 12:13:15,243 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 12:13:15,246 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 360 [2019-09-10 12:13:15,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 12:13:15,305 INFO L225 Difference]: With dead ends: 2649 [2019-09-10 12:13:15,305 INFO L226 Difference]: Without dead ends: 2630 [2019-09-10 12:13:15,307 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 12:13:15,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2630 states. [2019-09-10 12:13:15,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2630 to 2627. [2019-09-10 12:13:15,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2627 states. [2019-09-10 12:13:15,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2627 states to 2627 states and 3402 transitions. [2019-09-10 12:13:15,562 INFO L78 Accepts]: Start accepts. Automaton has 2627 states and 3402 transitions. Word has length 360 [2019-09-10 12:13:15,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 12:13:15,568 INFO L475 AbstractCegarLoop]: Abstraction has 2627 states and 3402 transitions. [2019-09-10 12:13:15,568 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 12:13:15,568 INFO L276 IsEmpty]: Start isEmpty. Operand 2627 states and 3402 transitions. [2019-09-10 12:13:15,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 389 [2019-09-10 12:13:15,586 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 12:13:15,587 INFO L399 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 10, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 12:13:15,587 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 12:13:15,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 12:13:15,588 INFO L82 PathProgramCache]: Analyzing trace with hash 1874516848, now seen corresponding path program 1 times [2019-09-10 12:13:15,588 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 12:13:15,595 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 12:13:15,595 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 12:13:15,595 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 12:13:15,595 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 12:13:15,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 12:13:16,662 INFO L134 CoverageAnalysis]: Checked inductivity of 1488 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1488 trivial. 0 not checked. [2019-09-10 12:13:16,663 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 12:13:16,663 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 12:13:16,663 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 12:13:16,667 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 12:13:16,667 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 12:13:16,668 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 12:13:16,668 INFO L87 Difference]: Start difference. First operand 2627 states and 3402 transitions. Second operand 3 states. [2019-09-10 12:13:16,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 12:13:16,837 INFO L93 Difference]: Finished difference Result 2589 states and 3336 transitions. [2019-09-10 12:13:16,838 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 12:13:16,838 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 388 [2019-09-10 12:13:16,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 12:13:16,858 INFO L225 Difference]: With dead ends: 2589 [2019-09-10 12:13:16,859 INFO L226 Difference]: Without dead ends: 2589 [2019-09-10 12:13:16,860 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 12:13:16,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2589 states. [2019-09-10 12:13:16,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2589 to 2589. [2019-09-10 12:13:16,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2589 states. [2019-09-10 12:13:16,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2589 states to 2589 states and 3336 transitions. [2019-09-10 12:13:16,961 INFO L78 Accepts]: Start accepts. Automaton has 2589 states and 3336 transitions. Word has length 388 [2019-09-10 12:13:16,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 12:13:16,963 INFO L475 AbstractCegarLoop]: Abstraction has 2589 states and 3336 transitions. [2019-09-10 12:13:16,963 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 12:13:16,963 INFO L276 IsEmpty]: Start isEmpty. Operand 2589 states and 3336 transitions. [2019-09-10 12:13:16,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 379 [2019-09-10 12:13:16,971 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 12:13:16,972 INFO L399 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 12:13:16,972 INFO L418 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 12:13:16,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 12:13:16,973 INFO L82 PathProgramCache]: Analyzing trace with hash -378003485, now seen corresponding path program 1 times [2019-09-10 12:13:16,973 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 12:13:16,979 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 12:13:16,979 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 12:13:16,979 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 12:13:16,980 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 12:13:17,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 12:13:17,464 INFO L134 CoverageAnalysis]: Checked inductivity of 1485 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1485 trivial. 0 not checked. [2019-09-10 12:13:17,465 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 12:13:17,465 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 12:13:17,465 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 12:13:17,466 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 12:13:17,466 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 12:13:17,466 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 12:13:17,466 INFO L87 Difference]: Start difference. First operand 2589 states and 3336 transitions. Second operand 3 states. [2019-09-10 12:13:17,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 12:13:17,606 INFO L93 Difference]: Finished difference Result 2515 states and 3208 transitions. [2019-09-10 12:13:17,606 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 12:13:17,607 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 378 [2019-09-10 12:13:17,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 12:13:17,623 INFO L225 Difference]: With dead ends: 2515 [2019-09-10 12:13:17,624 INFO L226 Difference]: Without dead ends: 2515 [2019-09-10 12:13:17,624 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 12:13:17,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2515 states. [2019-09-10 12:13:17,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2515 to 2515. [2019-09-10 12:13:17,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2515 states. [2019-09-10 12:13:17,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2515 states to 2515 states and 3208 transitions. [2019-09-10 12:13:17,714 INFO L78 Accepts]: Start accepts. Automaton has 2515 states and 3208 transitions. Word has length 378 [2019-09-10 12:13:17,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 12:13:17,716 INFO L475 AbstractCegarLoop]: Abstraction has 2515 states and 3208 transitions. [2019-09-10 12:13:17,716 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 12:13:17,717 INFO L276 IsEmpty]: Start isEmpty. Operand 2515 states and 3208 transitions. [2019-09-10 12:13:17,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 376 [2019-09-10 12:13:17,726 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 12:13:17,726 INFO L399 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 12, 12, 12, 12, 12, 12, 12, 12, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 12:13:17,727 INFO L418 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 12:13:17,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 12:13:17,727 INFO L82 PathProgramCache]: Analyzing trace with hash 554262389, now seen corresponding path program 1 times [2019-09-10 12:13:17,727 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 12:13:17,730 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 12:13:17,731 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 12:13:17,731 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 12:13:17,731 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 12:13:17,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 12:13:18,149 INFO L134 CoverageAnalysis]: Checked inductivity of 1680 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1680 trivial. 0 not checked. [2019-09-10 12:13:18,150 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 12:13:18,150 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-10 12:13:18,150 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 12:13:18,152 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-10 12:13:18,152 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-10 12:13:18,152 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-10 12:13:18,152 INFO L87 Difference]: Start difference. First operand 2515 states and 3208 transitions. Second operand 5 states. [2019-09-10 12:13:19,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 12:13:19,068 INFO L93 Difference]: Finished difference Result 2524 states and 3215 transitions. [2019-09-10 12:13:19,069 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-10 12:13:19,069 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 375 [2019-09-10 12:13:19,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 12:13:19,087 INFO L225 Difference]: With dead ends: 2524 [2019-09-10 12:13:19,088 INFO L226 Difference]: Without dead ends: 2524 [2019-09-10 12:13:19,088 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-10 12:13:19,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2524 states. [2019-09-10 12:13:19,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2524 to 2519. [2019-09-10 12:13:19,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2519 states. [2019-09-10 12:13:19,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2519 states to 2519 states and 3211 transitions. [2019-09-10 12:13:19,180 INFO L78 Accepts]: Start accepts. Automaton has 2519 states and 3211 transitions. Word has length 375 [2019-09-10 12:13:19,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 12:13:19,181 INFO L475 AbstractCegarLoop]: Abstraction has 2519 states and 3211 transitions. [2019-09-10 12:13:19,181 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-10 12:13:19,181 INFO L276 IsEmpty]: Start isEmpty. Operand 2519 states and 3211 transitions. [2019-09-10 12:13:19,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 376 [2019-09-10 12:13:19,192 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 12:13:19,192 INFO L399 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 12, 12, 12, 12, 12, 12, 12, 12, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 12:13:19,193 INFO L418 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 12:13:19,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 12:13:19,193 INFO L82 PathProgramCache]: Analyzing trace with hash 611520691, now seen corresponding path program 1 times [2019-09-10 12:13:19,194 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 12:13:19,198 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 12:13:19,198 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 12:13:19,199 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 12:13:19,199 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 12:13:19,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 12:13:19,760 INFO L134 CoverageAnalysis]: Checked inductivity of 1680 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1680 trivial. 0 not checked. [2019-09-10 12:13:19,761 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 12:13:19,761 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 12:13:19,761 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 12:13:19,762 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 12:13:19,762 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 12:13:19,762 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 12:13:19,762 INFO L87 Difference]: Start difference. First operand 2519 states and 3211 transitions. Second operand 3 states. [2019-09-10 12:13:19,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 12:13:19,854 INFO L93 Difference]: Finished difference Result 4956 states and 6349 transitions. [2019-09-10 12:13:19,854 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 12:13:19,854 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 375 [2019-09-10 12:13:19,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 12:13:19,888 INFO L225 Difference]: With dead ends: 4956 [2019-09-10 12:13:19,888 INFO L226 Difference]: Without dead ends: 4902 [2019-09-10 12:13:19,889 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 12:13:19,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4902 states. [2019-09-10 12:13:20,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4902 to 4898. [2019-09-10 12:13:20,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4898 states. [2019-09-10 12:13:20,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4898 states to 4898 states and 6284 transitions. [2019-09-10 12:13:20,046 INFO L78 Accepts]: Start accepts. Automaton has 4898 states and 6284 transitions. Word has length 375 [2019-09-10 12:13:20,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 12:13:20,047 INFO L475 AbstractCegarLoop]: Abstraction has 4898 states and 6284 transitions. [2019-09-10 12:13:20,047 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 12:13:20,047 INFO L276 IsEmpty]: Start isEmpty. Operand 4898 states and 6284 transitions. [2019-09-10 12:13:20,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 406 [2019-09-10 12:13:20,055 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 12:13:20,055 INFO L399 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 10, 10, 10, 10, 10, 10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 12:13:20,055 INFO L418 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 12:13:20,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 12:13:20,056 INFO L82 PathProgramCache]: Analyzing trace with hash 787272630, now seen corresponding path program 1 times [2019-09-10 12:13:20,056 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 12:13:20,059 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 12:13:20,059 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 12:13:20,059 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 12:13:20,060 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 12:13:20,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 12:13:20,553 INFO L134 CoverageAnalysis]: Checked inductivity of 1497 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1497 trivial. 0 not checked. [2019-09-10 12:13:20,554 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 12:13:20,554 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 12:13:20,554 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 12:13:20,555 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 12:13:20,555 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 12:13:20,555 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 12:13:20,555 INFO L87 Difference]: Start difference. First operand 4898 states and 6284 transitions. Second operand 3 states. [2019-09-10 12:13:20,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 12:13:20,756 INFO L93 Difference]: Finished difference Result 2821 states and 3576 transitions. [2019-09-10 12:13:20,756 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 12:13:20,756 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 405 [2019-09-10 12:13:20,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 12:13:20,773 INFO L225 Difference]: With dead ends: 2821 [2019-09-10 12:13:20,773 INFO L226 Difference]: Without dead ends: 2821 [2019-09-10 12:13:20,773 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 12:13:20,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2821 states. [2019-09-10 12:13:20,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2821 to 2749. [2019-09-10 12:13:20,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2749 states. [2019-09-10 12:13:20,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2749 states to 2749 states and 3493 transitions. [2019-09-10 12:13:20,856 INFO L78 Accepts]: Start accepts. Automaton has 2749 states and 3493 transitions. Word has length 405 [2019-09-10 12:13:20,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 12:13:20,857 INFO L475 AbstractCegarLoop]: Abstraction has 2749 states and 3493 transitions. [2019-09-10 12:13:20,857 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 12:13:20,857 INFO L276 IsEmpty]: Start isEmpty. Operand 2749 states and 3493 transitions. [2019-09-10 12:13:20,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 544 [2019-09-10 12:13:20,866 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 12:13:20,867 INFO L399 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 14, 14, 14, 14, 14, 14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 12:13:20,867 INFO L418 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 12:13:20,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 12:13:20,868 INFO L82 PathProgramCache]: Analyzing trace with hash -1589838666, now seen corresponding path program 1 times [2019-09-10 12:13:20,868 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 12:13:20,871 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 12:13:20,871 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 12:13:20,871 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 12:13:20,871 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 12:13:21,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 12:13:21,509 INFO L134 CoverageAnalysis]: Checked inductivity of 1920 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1920 trivial. 0 not checked. [2019-09-10 12:13:21,510 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 12:13:21,510 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 12:13:21,510 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 12:13:21,511 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 12:13:21,511 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 12:13:21,511 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 12:13:21,511 INFO L87 Difference]: Start difference. First operand 2749 states and 3493 transitions. Second operand 3 states. [2019-09-10 12:13:21,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 12:13:21,568 INFO L93 Difference]: Finished difference Result 2763 states and 3515 transitions. [2019-09-10 12:13:21,568 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 12:13:21,569 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 543 [2019-09-10 12:13:21,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 12:13:21,585 INFO L225 Difference]: With dead ends: 2763 [2019-09-10 12:13:21,585 INFO L226 Difference]: Without dead ends: 2763 [2019-09-10 12:13:21,586 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 12:13:21,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2763 states. [2019-09-10 12:13:21,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2763 to 2755. [2019-09-10 12:13:21,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2755 states. [2019-09-10 12:13:21,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2755 states to 2755 states and 3501 transitions. [2019-09-10 12:13:21,668 INFO L78 Accepts]: Start accepts. Automaton has 2755 states and 3501 transitions. Word has length 543 [2019-09-10 12:13:21,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 12:13:21,669 INFO L475 AbstractCegarLoop]: Abstraction has 2755 states and 3501 transitions. [2019-09-10 12:13:21,669 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 12:13:21,669 INFO L276 IsEmpty]: Start isEmpty. Operand 2755 states and 3501 transitions. [2019-09-10 12:13:21,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 536 [2019-09-10 12:13:21,678 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 12:13:21,678 INFO L399 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 14, 14, 14, 14, 14, 14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 12:13:21,679 INFO L418 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 12:13:21,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 12:13:21,679 INFO L82 PathProgramCache]: Analyzing trace with hash -1903589792, now seen corresponding path program 1 times [2019-09-10 12:13:21,679 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 12:13:21,683 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 12:13:21,684 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 12:13:21,684 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 12:13:21,684 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 12:13:21,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 12:13:22,333 INFO L134 CoverageAnalysis]: Checked inductivity of 1923 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 1915 trivial. 0 not checked. [2019-09-10 12:13:22,333 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-10 12:13:22,334 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-09-10 12:13:22,335 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 536 with the following transitions: [2019-09-10 12:13:22,338 INFO L207 CegarAbsIntRunner]: [21], [31], [32], [33], [36], [38], [40], [47], [54], [61], [68], [72], [73], [112], [118], [119], [120], [121], [170], [172], [173], [322], [325], [328], [341], [518], [523], [524], [525], [527], [529], [530], [590], [596], [597], [632], [633], [684], [685], [702], [703], [716], [718], [721], [722], [725], [728], [729], [912], [913], [920], [921], [951], [953], [955], [956], [967], [969], [971], [972], [1014], [1015], [1061], [1062], [1093], [1095], [1096], [1242], [1380], [1381], [1455], [1459], [1464], [1467], [1511], [1519], [1523], [1525], [1527], [1534], [1536], [1541], [1543], [1545], [1550], [1561], [1562], [1563], [1600], [1602], [1603], [1604], [1605], [1606], [1608], [1609], [1681], [1683], [1685], [1687], [1689], [1691], [1693], [1695], [1697], [1699], [1701], [1704], [1706], [1708], [1710], [1712], [1714], [1716], [1718], [1720], [1722], [1724], [1726], [1728], [1730], [1732], [1734], [1736], [1739], [1742], [1763], [1784], [1797], [1810], [1823], [1826], [1829], [1869], [1872], [1875], [1887], [1890], [1893], [1895], [1898], [1906], [2358], [2360], [2363], [2366], [2368], [2370], [2372], [2375], [2383], [2385], [2398], [2439], [2440], [2451], [2453], [2455], [2669], [2670], [3003], [3005], [3006], [3019], [3020], [3029], [3069], [3070], [3115], [3119], [3179], [3180], [3181], [3182], [3245], [3246], [3247], [3321], [3322], [3323], [3324], [3327], [3328], [3329], [3330], [3385], [3386], [3527], [3547], [3548], [3549], [3550], [3551], [3552], [3553], [3554], [3555], [3556], [3557], [3558], [3559], [3560], [3561], [3562], [3563], [3564], [3567], [3568], [3569], [3570], [3571], [3572], [3583], [3584], [3585], [3586], [3613], [3614], [3615], [3616], [3617], [3618], [3619], [3620], [3621], [3622], [3623], [3624], [3625], [3626], [3627], [3628], [3629], [3630], [3631], [3632], [3633], [3634], [3635], [3636], [3637], [3638], [3639], [3640], [3641], [3642], [3643], [3644], [3645], [3646], [3647], [3648], [3649], [3650], [3651], [3652], [3653], [3654], [3655], [3656], [3657], [3658], [3659], [3660], [3661], [3662], [3663], [3664], [3665], [3666], [3681], [3689], [3690], [3801], [3802], [3803], [3804], [3805], [3806], [3807], [3808], [3809], [3829], [3830], [3831], [3832], [4025], [4026], [4027], [4067], [4068] [2019-09-10 12:13:22,434 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-09-10 12:13:22,434 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-10 12:13:22,695 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-09-10 12:13:22,697 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 223 root evaluator evaluations with a maximum evaluation depth of 0. Performed 223 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 498 variables. [2019-09-10 12:13:22,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 12:13:22,703 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-09-10 12:13:22,960 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-09-10 12:13:22,961 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-09-10 12:13:22,979 INFO L420 sIntCurrentIteration]: We unified 534 AI predicates to 534 [2019-09-10 12:13:22,979 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-09-10 12:13:22,980 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-10 12:13:22,981 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 3 [2019-09-10 12:13:22,981 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 12:13:22,983 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-10 12:13:22,983 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-10 12:13:22,983 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 12:13:22,984 INFO L87 Difference]: Start difference. First operand 2755 states and 3501 transitions. Second operand 2 states. [2019-09-10 12:13:22,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 12:13:22,984 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-09-10 12:13:22,984 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-10 12:13:22,984 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 535 [2019-09-10 12:13:22,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 12:13:22,985 INFO L225 Difference]: With dead ends: 2 [2019-09-10 12:13:22,985 INFO L226 Difference]: Without dead ends: 0 [2019-09-10 12:13:22,985 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 534 GetRequests, 534 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 12:13:22,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-10 12:13:23,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-10 12:13:23,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-10 12:13:23,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-10 12:13:23,032 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 535 [2019-09-10 12:13:23,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 12:13:23,032 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-10 12:13:23,032 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-10 12:13:23,032 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-10 12:13:23,032 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-10 12:13:23,039 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.09 12:13:23 BoogieIcfgContainer [2019-09-10 12:13:23,039 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-10 12:13:23,046 INFO L168 Benchmark]: Toolchain (without parser) took 19256.98 ms. Allocated memory was 133.7 MB in the beginning and 855.1 MB in the end (delta: 721.4 MB). Free memory was 80.5 MB in the beginning and 750.1 MB in the end (delta: -669.6 MB). Peak memory consumption was 689.8 MB. Max. memory is 7.1 GB. [2019-09-10 12:13:23,047 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 133.7 MB. Free memory was 108.1 MB in the beginning and 107.9 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-09-10 12:13:23,052 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2825.43 ms. Allocated memory was 133.7 MB in the beginning and 270.0 MB in the end (delta: 136.3 MB). Free memory was 80.1 MB in the beginning and 149.3 MB in the end (delta: -69.2 MB). Peak memory consumption was 120.5 MB. Max. memory is 7.1 GB. [2019-09-10 12:13:23,054 INFO L168 Benchmark]: Boogie Preprocessor took 383.51 ms. Allocated memory is still 270.0 MB. Free memory was 149.3 MB in the beginning and 119.8 MB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 7.1 GB. [2019-09-10 12:13:23,056 INFO L168 Benchmark]: RCFGBuilder took 5827.06 ms. Allocated memory was 270.0 MB in the beginning and 429.9 MB in the end (delta: 159.9 MB). Free memory was 119.8 MB in the beginning and 188.7 MB in the end (delta: -68.9 MB). Peak memory consumption was 173.6 MB. Max. memory is 7.1 GB. [2019-09-10 12:13:23,058 INFO L168 Benchmark]: TraceAbstraction took 10216.05 ms. Allocated memory was 429.9 MB in the beginning and 855.1 MB in the end (delta: 425.2 MB). Free memory was 188.7 MB in the beginning and 750.1 MB in the end (delta: -561.4 MB). Peak memory consumption was 501.8 MB. Max. memory is 7.1 GB. [2019-09-10 12:13:23,066 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 133.7 MB. Free memory was 108.1 MB in the beginning and 107.9 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 2825.43 ms. Allocated memory was 133.7 MB in the beginning and 270.0 MB in the end (delta: 136.3 MB). Free memory was 80.1 MB in the beginning and 149.3 MB in the end (delta: -69.2 MB). Peak memory consumption was 120.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 383.51 ms. Allocated memory is still 270.0 MB. Free memory was 149.3 MB in the beginning and 119.8 MB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 5827.06 ms. Allocated memory was 270.0 MB in the beginning and 429.9 MB in the end (delta: 159.9 MB). Free memory was 119.8 MB in the beginning and 188.7 MB in the end (delta: -68.9 MB). Peak memory consumption was 173.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 10216.05 ms. Allocated memory was 429.9 MB in the beginning and 855.1 MB in the end (delta: 425.2 MB). Free memory was 188.7 MB in the beginning and 750.1 MB in the end (delta: -561.4 MB). Peak memory consumption was 501.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 6743]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 214 procedures, 1927 locations, 1 error locations. SAFE Result, 10.1s OverallTime, 8 OverallIterations, 16 TraceHistogramMax, 2.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 13037 SDtfs, 7088 SDslu, 11872 SDs, 0 SdLazy, 75 SolverSat, 16 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 558 GetRequests, 549 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4898occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.3s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 1.0 AbsIntWeakeningRatio, 2.808988764044944 AbsIntAvgWeakeningVarsNumRemoved, 0.0 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 8 MinimizatonAttempts, 92 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.3s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 3359 NumberOfCodeBlocks, 3359 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 3351 ConstructedInterpolants, 0 QuantifiedInterpolants, 1554417 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 7 PerfectInterpolantSequences, 13155/13161 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...