java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -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 0.1.24-36ac518-m [2019-10-07 11:15:28,926 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 11:15:28,930 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 11:15:28,946 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 11:15:28,946 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 11:15:28,948 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 11:15:28,949 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 11:15:28,951 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 11:15:28,953 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 11:15:28,954 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 11:15:28,955 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 11:15:28,956 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 11:15:28,956 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 11:15:28,957 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 11:15:28,958 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 11:15:28,959 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 11:15:28,960 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 11:15:28,961 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 11:15:28,963 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 11:15:28,966 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 11:15:28,968 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 11:15:28,969 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 11:15:28,970 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 11:15:28,971 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 11:15:28,974 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 11:15:28,974 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 11:15:28,974 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 11:15:28,975 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 11:15:28,976 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 11:15:28,977 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 11:15:28,977 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 11:15:28,978 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 11:15:28,979 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 11:15:28,980 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 11:15:28,983 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 11:15:28,984 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 11:15:28,987 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 11:15:28,987 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 11:15:28,987 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 11:15:28,988 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 11:15:28,989 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 11:15:28,992 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-07 11:15:29,021 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 11:15:29,022 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 11:15:29,024 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 11:15:29,024 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 11:15:29,025 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 11:15:29,025 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 11:15:29,026 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 11:15:29,026 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 11:15:29,026 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 11:15:29,026 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 11:15:29,028 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 11:15:29,028 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 11:15:29,028 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 11:15:29,028 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 11:15:29,029 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 11:15:29,029 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 11:15:29,029 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 11:15:29,029 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 11:15:29,030 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 11:15:29,030 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 11:15:29,030 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 11:15:29,030 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 11:15:29,031 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 11:15:29,031 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 11:15:29,031 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 11:15:29,031 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 11:15:29,031 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 11:15:29,032 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 11:15:29,032 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-07 11:15:29,326 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 11:15:29,351 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 11:15:29,355 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 11:15:29,357 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 11:15:29,357 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 11:15:29,358 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--vfio--vfio.ko-entry_point.cil.out.i [2019-10-07 11:15:29,440 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/30de26f9d/2a41254923e8431badc1f7bed2802aea/FLAG6bbc2d81e [2019-10-07 11:15:30,295 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 11:15:30,297 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--vfio--vfio.ko-entry_point.cil.out.i [2019-10-07 11:15:30,338 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/30de26f9d/2a41254923e8431badc1f7bed2802aea/FLAG6bbc2d81e [2019-10-07 11:15:30,824 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/30de26f9d/2a41254923e8431badc1f7bed2802aea [2019-10-07 11:15:30,834 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 11:15:30,835 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 11:15:30,836 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 11:15:30,836 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 11:15:30,840 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 11:15:30,841 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 11:15:30" (1/1) ... [2019-10-07 11:15:30,843 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31d8d832 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 11:15:30, skipping insertion in model container [2019-10-07 11:15:30,844 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 11:15:30" (1/1) ... [2019-10-07 11:15:30,851 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 11:15:31,001 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 11:15:33,039 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 11:15:33,158 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 11:15:33,523 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 11:15:33,935 INFO L192 MainTranslator]: Completed translation [2019-10-07 11:15:33,935 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 11:15:33 WrapperNode [2019-10-07 11:15:33,936 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 11:15:33,937 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 11:15:33,937 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 11:15:33,938 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 11:15:33,953 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 11:15:33" (1/1) ... [2019-10-07 11:15:33,953 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 11:15:33" (1/1) ... [2019-10-07 11:15:34,070 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 11:15:33" (1/1) ... [2019-10-07 11:15:34,071 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 11:15:33" (1/1) ... [2019-10-07 11:15:34,209 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 11:15:33" (1/1) ... [2019-10-07 11:15:34,244 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 11:15:33" (1/1) ... [2019-10-07 11:15:34,282 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 11:15:33" (1/1) ... [2019-10-07 11:15:34,335 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 11:15:34,336 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 11:15:34,336 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 11:15:34,336 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 11:15:34,337 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 11:15:33" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 11:15:34,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 11:15:34,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 11:15:34,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-10-07 11:15:34,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2019-10-07 11:15:34,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2019-10-07 11:15:34,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-10-07 11:15:34,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2019-10-07 11:15:34,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~$Pointer$ [2019-10-07 11:15:34,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2019-10-07 11:15:34,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2019-10-07 11:15:34,424 INFO L138 BoogieDeclarations]: Found implementation of procedure __read_once_size [2019-10-07 11:15:34,426 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-10-07 11:15:34,426 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2019-10-07 11:15:34,427 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2019-10-07 11:15:34,427 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2019-10-07 11:15:34,427 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2019-10-07 11:15:34,430 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2019-10-07 11:15:34,430 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_sub_and_test [2019-10-07 11:15:34,430 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2019-10-07 11:15:34,431 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2019-10-07 11:15:34,431 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2019-10-07 11:15:34,431 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2019-10-07 11:15:34,431 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_cmpxchg [2019-10-07 11:15:34,431 INFO L138 BoogieDeclarations]: Found implementation of procedure __atomic_add_unless [2019-10-07 11:15:34,432 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_unless [2019-10-07 11:15:34,432 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_if_positive [2019-10-07 11:15:34,432 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_find [2019-10-07 11:15:34,432 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_init [2019-10-07 11:15:34,432 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2019-10-07 11:15:34,432 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2019-10-07 11:15:34,433 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2019-10-07 11:15:34,433 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put_mutex [2019-10-07 11:15:34,433 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2019-10-07 11:15:34,434 INFO L138 BoogieDeclarations]: Found implementation of procedure task_pid_nr [2019-10-07 11:15:34,434 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-10-07 11:15:34,434 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-07 11:15:34,434 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-10-07 11:15:34,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-07 11:15:34,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-07 11:15:34,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2019-10-07 11:15:34,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2019-10-07 11:15:34,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-07 11:15:34,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-07 11:15:34,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-07 11:15:34,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-07 11:15:34,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-07 11:15:34,435 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2019-10-07 11:15:34,436 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2019-10-07 11:15:34,436 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2019-10-07 11:15:34,436 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-10-07 11:15:34,436 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-10-07 11:15:34,436 INFO L138 BoogieDeclarations]: Found implementation of procedure fdput [2019-10-07 11:15:34,436 INFO L138 BoogieDeclarations]: Found implementation of procedure __to_fd [2019-10-07 11:15:34,436 INFO L138 BoogieDeclarations]: Found implementation of procedure fdget [2019-10-07 11:15:34,437 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2019-10-07 11:15:34,437 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2019-10-07 11:15:34,437 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_register_iommu_driver [2019-10-07 11:15:34,437 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_unregister_iommu_driver [2019-10-07 11:15:34,438 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_alloc_group_minor [2019-10-07 11:15:34,438 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_free_group_minor [2019-10-07 11:15:34,438 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_container_get [2019-10-07 11:15:34,438 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_container_release [2019-10-07 11:15:34,439 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_container_put [2019-10-07 11:15:34,439 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_unlock_and_free [2019-10-07 11:15:34,439 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_create_group [2019-10-07 11:15:34,439 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_release [2019-10-07 11:15:34,439 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_put [2019-10-07 11:15:34,439 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_get [2019-10-07 11:15:34,439 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_try_get [2019-10-07 11:15:34,440 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_get_from_iommu [2019-10-07 11:15:34,440 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_get_from_minor [2019-10-07 11:15:34,440 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_create_device [2019-10-07 11:15:34,440 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_device_release [2019-10-07 11:15:34,441 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_device_put [2019-10-07 11:15:34,441 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_device_get [2019-10-07 11:15:34,441 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_get_device [2019-10-07 11:15:34,442 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_whitelisted_driver [2019-10-07 11:15:34,442 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_dev_viable [2019-10-07 11:15:34,442 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_nb_add_dev [2019-10-07 11:15:34,442 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_nb_verify [2019-10-07 11:15:34,443 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_iommu_group_notifier [2019-10-07 11:15:34,443 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_add_group_dev [2019-10-07 11:15:34,444 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_device_get_from_dev [2019-10-07 11:15:34,444 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_device_data [2019-10-07 11:15:34,444 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_dev_present [2019-10-07 11:15:34,444 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_del_group_dev [2019-10-07 11:15:34,444 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_ioctl_check_extension [2019-10-07 11:15:34,445 INFO L138 BoogieDeclarations]: Found implementation of procedure __vfio_container_attach_groups [2019-10-07 11:15:34,445 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_ioctl_set_iommu [2019-10-07 11:15:34,445 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_fops_unl_ioctl [2019-10-07 11:15:34,445 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_fops_compat_ioctl [2019-10-07 11:15:34,446 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_fops_open [2019-10-07 11:15:34,446 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_fops_release [2019-10-07 11:15:34,446 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_fops_read [2019-10-07 11:15:34,446 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_fops_write [2019-10-07 11:15:34,446 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_fops_mmap [2019-10-07 11:15:34,446 INFO L138 BoogieDeclarations]: Found implementation of procedure __vfio_group_unset_container [2019-10-07 11:15:34,446 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_unset_container [2019-10-07 11:15:34,447 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_try_dissolve_container [2019-10-07 11:15:34,447 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_set_container [2019-10-07 11:15:34,447 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_viable [2019-10-07 11:15:34,447 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_get_device_fd [2019-10-07 11:15:34,447 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_fops_unl_ioctl [2019-10-07 11:15:34,447 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_fops_compat_ioctl [2019-10-07 11:15:34,447 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_fops_open [2019-10-07 11:15:34,448 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_fops_release [2019-10-07 11:15:34,448 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_device_fops_release [2019-10-07 11:15:34,448 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_device_fops_unl_ioctl [2019-10-07 11:15:34,448 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_device_fops_read [2019-10-07 11:15:34,448 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_device_fops_write [2019-10-07 11:15:34,448 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_device_fops_mmap [2019-10-07 11:15:34,448 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_device_fops_compat_ioctl [2019-10-07 11:15:34,449 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_get_external_user [2019-10-07 11:15:34,449 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_put_external_user [2019-10-07 11:15:34,449 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_external_user_iommu_id [2019-10-07 11:15:34,449 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_external_check_extension [2019-10-07 11:15:34,450 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_devnode [2019-10-07 11:15:34,450 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_init [2019-10-07 11:15:34,450 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_cleanup [2019-10-07 11:15:34,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_2 [2019-10-07 11:15:34,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_1 [2019-10-07 11:15:34,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_3 [2019-10-07 11:15:34,451 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 11:15:34,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2019-10-07 11:15:34,452 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2019-10-07 11:15:34,452 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2019-10-07 11:15:34,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get_5 [2019-10-07 11:15:34,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_6 [2019-10-07 11:15:34,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get_7 [2019-10-07 11:15:34,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_8 [2019-10-07 11:15:34,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_9 [2019-10-07 11:15:34,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_10 [2019-10-07 11:15:34,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_11 [2019-10-07 11:15:34,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_misc_register_12 [2019-10-07 11:15:34,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_cdev_init_13 [2019-10-07 11:15:34,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_misc_deregister_14 [2019-10-07 11:15:34,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_cdev_del_15 [2019-10-07 11:15:34,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_misc_deregister_16 [2019-10-07 11:15:34,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-07 11:15:34,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-07 11:15:34,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-10-07 11:15:34,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-10-07 11:15:34,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-10-07 11:15:34,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_get [2019-10-07 11:15:34,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get [2019-10-07 11:15:34,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2019-10-07 11:15:34,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_and_exit [2019-10-07 11:15:34,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_refcount [2019-10-07 11:15:34,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-07 11:15:34,468 INFO L138 BoogieDeclarations]: Found implementation of procedure __class_create [2019-10-07 11:15:34,468 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_from_user_overflow [2019-10-07 11:15:34,468 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_to_user_overflow [2019-10-07 11:15:34,469 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2019-10-07 11:15:34,469 INFO L138 BoogieDeclarations]: Found implementation of procedure __fdget [2019-10-07 11:15:34,469 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_rwsem [2019-10-07 11:15:34,469 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2019-10-07 11:15:34,469 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2019-10-07 11:15:34,469 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2019-10-07 11:15:34,469 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2019-10-07 11:15:34,470 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2019-10-07 11:15:34,470 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_module [2019-10-07 11:15:34,470 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2019-10-07 11:15:34,470 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2019-10-07 11:15:34,470 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2019-10-07 11:15:34,470 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_chrdev_region [2019-10-07 11:15:34,470 INFO L138 BoogieDeclarations]: Found implementation of procedure anon_inode_getfile [2019-10-07 11:15:34,470 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_add [2019-10-07 11:15:34,471 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_del [2019-10-07 11:15:34,471 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_init [2019-10-07 11:15:34,471 INFO L138 BoogieDeclarations]: Found implementation of procedure class_destroy [2019-10-07 11:15:34,471 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2019-10-07 11:15:34,471 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2019-10-07 11:15:34,471 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create [2019-10-07 11:15:34,471 INFO L138 BoogieDeclarations]: Found implementation of procedure device_destroy [2019-10-07 11:15:34,471 INFO L138 BoogieDeclarations]: Found implementation of procedure down_read [2019-10-07 11:15:34,472 INFO L138 BoogieDeclarations]: Found implementation of procedure down_write [2019-10-07 11:15:34,472 INFO L138 BoogieDeclarations]: Found implementation of procedure fd_install [2019-10-07 11:15:34,472 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2019-10-07 11:15:34,472 INFO L138 BoogieDeclarations]: Found implementation of procedure fput [2019-10-07 11:15:34,472 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unused_fd_flags [2019-10-07 11:15:34,472 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_alloc [2019-10-07 11:15:34,472 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_destroy [2019-10-07 11:15:34,472 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_find_slowpath [2019-10-07 11:15:34,473 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_init [2019-10-07 11:15:34,473 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_remove [2019-10-07 11:15:34,473 INFO L138 BoogieDeclarations]: Found implementation of procedure iommu_group_for_each_dev [2019-10-07 11:15:34,473 INFO L138 BoogieDeclarations]: Found implementation of procedure iommu_group_get [2019-10-07 11:15:34,473 INFO L138 BoogieDeclarations]: Found implementation of procedure iommu_group_id [2019-10-07 11:15:34,473 INFO L138 BoogieDeclarations]: Found implementation of procedure iommu_group_put [2019-10-07 11:15:34,473 INFO L138 BoogieDeclarations]: Found implementation of procedure iommu_group_register_notifier [2019-10-07 11:15:34,473 INFO L138 BoogieDeclarations]: Found implementation of procedure iommu_group_unregister_notifier [2019-10-07 11:15:34,474 INFO L138 BoogieDeclarations]: Found implementation of procedure kasprintf [2019-10-07 11:15:34,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-07 11:15:34,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_open_1 [2019-10-07 11:15:34,474 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2019-10-07 11:15:34,474 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_deregister [2019-10-07 11:15:34,474 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_register [2019-10-07 11:15:34,474 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2019-10-07 11:15:34,474 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-10-07 11:15:34,475 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2019-10-07 11:15:34,475 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-07 11:15:34,475 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unused_fd [2019-10-07 11:15:34,475 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2019-10-07 11:15:34,475 INFO L138 BoogieDeclarations]: Found implementation of procedure strndup_user [2019-10-07 11:15:34,475 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev_region [2019-10-07 11:15:34,475 INFO L138 BoogieDeclarations]: Found implementation of procedure up_read [2019-10-07 11:15:34,475 INFO L138 BoogieDeclarations]: Found implementation of procedure up_write [2019-10-07 11:15:34,475 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_fmt [2019-10-07 11:15:34,476 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2019-10-07 11:15:34,476 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-07 11:15:34,476 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-07 11:15:34,476 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-07 11:15:34,476 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-07 11:15:34,476 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-10-07 11:15:34,476 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 11:15:34,477 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 11:15:34,477 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-07 11:15:34,477 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-07 11:15:34,477 INFO L130 BoogieDeclarations]: Found specification of procedure __read_once_size [2019-10-07 11:15:34,477 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-10-07 11:15:34,477 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 11:15:34,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 11:15:34,478 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-07 11:15:34,478 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2019-10-07 11:15:34,478 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2019-10-07 11:15:34,478 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2019-10-07 11:15:34,478 INFO L130 BoogieDeclarations]: Found specification of procedure kasprintf [2019-10-07 11:15:34,478 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-07 11:15:34,478 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-10-07 11:15:34,479 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-10-07 11:15:34,479 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-10-07 11:15:34,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 11:15:34,479 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2019-10-07 11:15:34,479 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2019-10-07 11:15:34,479 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 11:15:34,479 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2019-10-07 11:15:34,480 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2019-10-07 11:15:34,480 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2019-10-07 11:15:34,480 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_fmt [2019-10-07 11:15:34,480 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2019-10-07 11:15:34,480 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2019-10-07 11:15:34,480 INFO L130 BoogieDeclarations]: Found specification of procedure strndup_user [2019-10-07 11:15:34,480 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-07 11:15:34,480 INFO L130 BoogieDeclarations]: Found specification of procedure strcmp [2019-10-07 11:15:34,481 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2019-10-07 11:15:34,481 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2019-10-07 11:15:34,481 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2019-10-07 11:15:34,481 INFO L130 BoogieDeclarations]: Found specification of procedure __cmpxchg_wrong_size [2019-10-07 11:15:34,481 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2019-10-07 11:15:34,481 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2019-10-07 11:15:34,481 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2019-10-07 11:15:34,481 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_sub_and_test [2019-10-07 11:15:34,482 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2019-10-07 11:15:34,482 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2019-10-07 11:15:34,482 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2019-10-07 11:15:34,482 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2019-10-07 11:15:34,482 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_cmpxchg [2019-10-07 11:15:34,482 INFO L130 BoogieDeclarations]: Found specification of procedure __atomic_add_unless [2019-10-07 11:15:34,482 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_unless [2019-10-07 11:15:34,482 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_if_positive [2019-10-07 11:15:34,484 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2019-10-07 11:15:34,487 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2019-10-07 11:15:34,487 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2019-10-07 11:15:34,488 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2019-10-07 11:15:34,488 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2019-10-07 11:15:34,488 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2019-10-07 11:15:34,488 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-10-07 11:15:34,488 INFO L130 BoogieDeclarations]: Found specification of procedure __init_rwsem [2019-10-07 11:15:34,488 INFO L130 BoogieDeclarations]: Found specification of procedure down_read [2019-10-07 11:15:34,489 INFO L130 BoogieDeclarations]: Found specification of procedure down_write [2019-10-07 11:15:34,489 INFO L130 BoogieDeclarations]: Found specification of procedure up_read [2019-10-07 11:15:34,489 INFO L130 BoogieDeclarations]: Found specification of procedure up_write [2019-10-07 11:15:34,491 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2019-10-07 11:15:34,491 INFO L130 BoogieDeclarations]: Found specification of procedure __request_module [2019-10-07 11:15:34,492 INFO L130 BoogieDeclarations]: Found specification of procedure idr_find_slowpath [2019-10-07 11:15:34,492 INFO L130 BoogieDeclarations]: Found specification of procedure idr_alloc [2019-10-07 11:15:34,492 INFO L130 BoogieDeclarations]: Found specification of procedure idr_remove [2019-10-07 11:15:34,492 INFO L130 BoogieDeclarations]: Found specification of procedure idr_destroy [2019-10-07 11:15:34,492 INFO L130 BoogieDeclarations]: Found specification of procedure idr_init [2019-10-07 11:15:34,492 INFO L130 BoogieDeclarations]: Found specification of procedure idr_find [2019-10-07 11:15:34,492 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 11:15:34,492 INFO L130 BoogieDeclarations]: Found specification of procedure kref_init [2019-10-07 11:15:34,493 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2019-10-07 11:15:34,493 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2019-10-07 11:15:34,493 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-10-07 11:15:34,493 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2019-10-07 11:15:34,493 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put_mutex [2019-10-07 11:15:34,493 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2019-10-07 11:15:34,493 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get_5 [2019-10-07 11:15:34,493 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get_7 [2019-10-07 11:15:34,494 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_6 [2019-10-07 11:15:34,494 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_8 [2019-10-07 11:15:34,494 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_9 [2019-10-07 11:15:34,494 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_10 [2019-10-07 11:15:34,494 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_11 [2019-10-07 11:15:34,494 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get [2019-10-07 11:15:34,494 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2019-10-07 11:15:34,494 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2019-10-07 11:15:34,494 INFO L130 BoogieDeclarations]: Found specification of procedure task_pid_nr [2019-10-07 11:15:34,495 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-07 11:15:34,495 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-07 11:15:34,495 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-10-07 11:15:34,495 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-07 11:15:34,495 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-10-07 11:15:34,495 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 11:15:34,495 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-07 11:15:34,495 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 11:15:34,495 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-07 11:15:34,496 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-07 11:15:34,496 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-07 11:15:34,496 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 11:15:34,496 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-07 11:15:34,496 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-07 11:15:34,496 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2019-10-07 11:15:34,496 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2019-10-07 11:15:34,496 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-07 11:15:34,497 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-07 11:15:34,497 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-07 11:15:34,497 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-07 11:15:34,497 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-07 11:15:34,497 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_2 [2019-10-07 11:15:34,497 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_1 [2019-10-07 11:15:34,497 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_3 [2019-10-07 11:15:34,497 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_init [2019-10-07 11:15:34,497 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_cdev_init_13 [2019-10-07 11:15:34,497 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_add [2019-10-07 11:15:34,498 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_del [2019-10-07 11:15:34,498 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_cdev_del_15 [2019-10-07 11:15:34,498 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2019-10-07 11:15:34,498 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_chrdev_region [2019-10-07 11:15:34,498 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev_region [2019-10-07 11:15:34,498 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2019-10-07 11:15:34,498 INFO L130 BoogieDeclarations]: Found specification of procedure __class_create [2019-10-07 11:15:34,498 INFO L130 BoogieDeclarations]: Found specification of procedure class_destroy [2019-10-07 11:15:34,499 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2019-10-07 11:15:34,499 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-10-07 11:15:34,499 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-10-07 11:15:34,499 INFO L130 BoogieDeclarations]: Found specification of procedure device_create [2019-10-07 11:15:34,499 INFO L130 BoogieDeclarations]: Found specification of procedure device_destroy [2019-10-07 11:15:34,499 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2019-10-07 11:15:34,499 INFO L130 BoogieDeclarations]: Found specification of procedure fput [2019-10-07 11:15:34,499 INFO L130 BoogieDeclarations]: Found specification of procedure fdput [2019-10-07 11:15:34,499 INFO L130 BoogieDeclarations]: Found specification of procedure __fdget [2019-10-07 11:15:34,500 INFO L130 BoogieDeclarations]: Found specification of procedure __to_fd [2019-10-07 11:15:34,500 INFO L130 BoogieDeclarations]: Found specification of procedure fdget [2019-10-07 11:15:34,500 INFO L130 BoogieDeclarations]: Found specification of procedure get_unused_fd_flags [2019-10-07 11:15:34,500 INFO L130 BoogieDeclarations]: Found specification of procedure put_unused_fd [2019-10-07 11:15:34,500 INFO L130 BoogieDeclarations]: Found specification of procedure fd_install [2019-10-07 11:15:34,500 INFO L130 BoogieDeclarations]: Found specification of procedure anon_inode_getfile [2019-10-07 11:15:34,500 INFO L130 BoogieDeclarations]: Found specification of procedure iommu_group_for_each_dev [2019-10-07 11:15:34,500 INFO L130 BoogieDeclarations]: Found specification of procedure iommu_group_get [2019-10-07 11:15:34,500 INFO L130 BoogieDeclarations]: Found specification of procedure iommu_group_put [2019-10-07 11:15:34,501 INFO L130 BoogieDeclarations]: Found specification of procedure iommu_group_register_notifier [2019-10-07 11:15:34,501 INFO L130 BoogieDeclarations]: Found specification of procedure iommu_group_unregister_notifier [2019-10-07 11:15:34,501 INFO L130 BoogieDeclarations]: Found specification of procedure iommu_group_id [2019-10-07 11:15:34,501 INFO L130 BoogieDeclarations]: Found specification of procedure misc_register [2019-10-07 11:15:34,501 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_misc_register_12 [2019-10-07 11:15:34,501 INFO L130 BoogieDeclarations]: Found specification of procedure misc_deregister [2019-10-07 11:15:34,501 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_misc_deregister_14 [2019-10-07 11:15:34,501 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_misc_deregister_16 [2019-10-07 11:15:34,502 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2019-10-07 11:15:34,502 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2019-10-07 11:15:34,502 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_from_user_overflow [2019-10-07 11:15:34,502 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_to_user_overflow [2019-10-07 11:15:34,502 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2019-10-07 11:15:34,502 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2019-10-07 11:15:34,502 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_add_group_dev [2019-10-07 11:15:34,502 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_del_group_dev [2019-10-07 11:15:34,503 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_device_get_from_dev [2019-10-07 11:15:34,503 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_device_put [2019-10-07 11:15:34,503 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_device_data [2019-10-07 11:15:34,503 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_register_iommu_driver [2019-10-07 11:15:34,503 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_unregister_iommu_driver [2019-10-07 11:15:34,503 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_get_external_user [2019-10-07 11:15:34,503 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_put_external_user [2019-10-07 11:15:34,503 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_external_user_iommu_id [2019-10-07 11:15:34,503 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_external_check_extension [2019-10-07 11:15:34,504 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_alloc_group_minor [2019-10-07 11:15:34,504 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_free_group_minor [2019-10-07 11:15:34,504 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_iommu_group_notifier [2019-10-07 11:15:34,504 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_get [2019-10-07 11:15:34,504 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_container_get [2019-10-07 11:15:34,505 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_container_release [2019-10-07 11:15:34,505 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_container_put [2019-10-07 11:15:34,505 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_unlock_and_free [2019-10-07 11:15:34,505 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_create_group [2019-10-07 11:15:34,505 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_release [2019-10-07 11:15:34,505 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_put [2019-10-07 11:15:34,505 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_try_get [2019-10-07 11:15:34,505 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_get_from_iommu [2019-10-07 11:15:34,505 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_get_from_minor [2019-10-07 11:15:34,506 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_create_device [2019-10-07 11:15:34,506 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_device_release [2019-10-07 11:15:34,506 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_device_get [2019-10-07 11:15:34,506 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_get_device [2019-10-07 11:15:34,507 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_whitelisted_driver [2019-10-07 11:15:34,508 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_dev_viable [2019-10-07 11:15:34,508 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_nb_add_dev [2019-10-07 11:15:34,508 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_nb_verify [2019-10-07 11:15:34,508 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_dev_present [2019-10-07 11:15:34,509 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2019-10-07 11:15:34,509 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_ioctl_check_extension [2019-10-07 11:15:34,509 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2019-10-07 11:15:34,509 INFO L130 BoogieDeclarations]: Found specification of procedure __vfio_container_attach_groups [2019-10-07 11:15:34,509 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-10-07 11:15:34,509 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2019-10-07 11:15:34,509 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_ioctl_set_iommu [2019-10-07 11:15:34,510 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~$Pointer$ [2019-10-07 11:15:34,510 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_fops_unl_ioctl [2019-10-07 11:15:34,510 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_fops_compat_ioctl [2019-10-07 11:15:34,510 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_fops_open [2019-10-07 11:15:34,510 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_fops_release [2019-10-07 11:15:34,510 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_fops_read [2019-10-07 11:15:34,510 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2019-10-07 11:15:34,510 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_fops_write [2019-10-07 11:15:34,511 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_fops_mmap [2019-10-07 11:15:34,511 INFO L130 BoogieDeclarations]: Found specification of procedure __vfio_group_unset_container [2019-10-07 11:15:34,511 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_unset_container [2019-10-07 11:15:34,511 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_try_dissolve_container [2019-10-07 11:15:34,511 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_set_container [2019-10-07 11:15:34,511 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_viable [2019-10-07 11:15:34,511 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_get_device_fd [2019-10-07 11:15:34,511 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2019-10-07 11:15:34,511 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_fops_unl_ioctl [2019-10-07 11:15:34,512 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_fops_compat_ioctl [2019-10-07 11:15:34,512 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_fops_open [2019-10-07 11:15:34,512 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_fops_release [2019-10-07 11:15:34,512 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_device_fops_release [2019-10-07 11:15:34,512 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_device_fops_unl_ioctl [2019-10-07 11:15:34,512 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_device_fops_read [2019-10-07 11:15:34,512 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_device_fops_write [2019-10-07 11:15:34,512 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_device_fops_mmap [2019-10-07 11:15:34,512 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_device_fops_compat_ioctl [2019-10-07 11:15:34,513 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_devnode [2019-10-07 11:15:34,513 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_init [2019-10-07 11:15:34,513 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_cleanup [2019-10-07 11:15:34,513 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_open_1 [2019-10-07 11:15:34,513 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-07 11:15:34,513 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-07 11:15:34,513 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 11:15:34,513 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-07 11:15:34,514 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-10-07 11:15:34,514 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_get [2019-10-07 11:15:34,514 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_and_exit [2019-10-07 11:15:34,514 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_refcount [2019-10-07 11:15:34,514 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-07 11:15:34,514 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-10-07 11:15:34,514 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 11:15:34,514 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 11:15:34,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 11:15:34,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-07 11:15:34,515 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 11:15:34,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-07 11:15:34,515 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-07 11:15:34,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-07 11:15:34,515 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-07 11:15:36,049 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-07 11:15:40,835 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_module_put_and_exitFINAL: assume true; [2019-10-07 11:15:44,304 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 11:15:44,304 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-07 11:15:44,307 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 11:15:44 BoogieIcfgContainer [2019-10-07 11:15:44,307 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 11:15:44,309 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 11:15:44,309 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 11:15:44,313 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 11:15:44,313 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 11:15:30" (1/3) ... [2019-10-07 11:15:44,317 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cb25bf7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 11:15:44, skipping insertion in model container [2019-10-07 11:15:44,317 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 11:15:33" (2/3) ... [2019-10-07 11:15:44,319 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cb25bf7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 11:15:44, skipping insertion in model container [2019-10-07 11:15:44,319 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 11:15:44" (3/3) ... [2019-10-07 11:15:44,323 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--vfio--vfio.ko-entry_point.cil.out.i [2019-10-07 11:15:44,334 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 11:15:44,350 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 11:15:44,362 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 11:15:44,408 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 11:15:44,408 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 11:15:44,408 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 11:15:44,408 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 11:15:44,408 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 11:15:44,409 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 11:15:44,409 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 11:15:44,409 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 11:15:44,475 INFO L276 IsEmpty]: Start isEmpty. Operand 1643 states. [2019-10-07 11:15:44,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2019-10-07 11:15:44,519 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 11:15:44,521 INFO L385 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 10, 10, 10, 10, 10, 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] [2019-10-07 11:15:44,524 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 11:15:44,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 11:15:44,531 INFO L82 PathProgramCache]: Analyzing trace with hash 801380073, now seen corresponding path program 1 times [2019-10-07 11:15:44,540 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 11:15:44,540 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:15:44,541 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:15:44,541 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:15:44,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 11:15:45,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 11:15:45,764 INFO L134 CoverageAnalysis]: Checked inductivity of 1112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1112 trivial. 0 not checked. [2019-10-07 11:15:45,765 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:15:45,765 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 11:15:45,766 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 11:15:45,770 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 11:15:45,785 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 11:15:45,786 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 11:15:45,788 INFO L87 Difference]: Start difference. First operand 1643 states. Second operand 3 states. [2019-10-07 11:15:47,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 11:15:47,060 INFO L93 Difference]: Finished difference Result 3543 states and 4808 transitions. [2019-10-07 11:15:47,061 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 11:15:47,062 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 286 [2019-10-07 11:15:47,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 11:15:47,127 INFO L225 Difference]: With dead ends: 3543 [2019-10-07 11:15:47,127 INFO L226 Difference]: Without dead ends: 2326 [2019-10-07 11:15:47,144 INFO L606 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 [2019-10-07 11:15:47,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2326 states. [2019-10-07 11:15:47,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2326 to 2323. [2019-10-07 11:15:47,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2323 states. [2019-10-07 11:15:47,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2323 states to 2323 states and 3040 transitions. [2019-10-07 11:15:47,447 INFO L78 Accepts]: Start accepts. Automaton has 2323 states and 3040 transitions. Word has length 286 [2019-10-07 11:15:47,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 11:15:47,453 INFO L462 AbstractCegarLoop]: Abstraction has 2323 states and 3040 transitions. [2019-10-07 11:15:47,453 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 11:15:47,454 INFO L276 IsEmpty]: Start isEmpty. Operand 2323 states and 3040 transitions. [2019-10-07 11:15:47,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2019-10-07 11:15:47,467 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 11:15:47,468 INFO L385 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 12, 12, 12, 12, 12, 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] [2019-10-07 11:15:47,468 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 11:15:47,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 11:15:47,469 INFO L82 PathProgramCache]: Analyzing trace with hash 80821531, now seen corresponding path program 1 times [2019-10-07 11:15:47,469 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 11:15:47,469 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:15:47,469 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:15:47,473 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:15:47,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 11:15:47,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 11:15:48,240 INFO L134 CoverageAnalysis]: Checked inductivity of 1240 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1240 trivial. 0 not checked. [2019-10-07 11:15:48,241 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:15:48,241 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 11:15:48,241 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 11:15:48,244 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 11:15:48,244 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 11:15:48,244 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 11:15:48,244 INFO L87 Difference]: Start difference. First operand 2323 states and 3040 transitions. Second operand 3 states. [2019-10-07 11:15:48,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 11:15:48,483 INFO L93 Difference]: Finished difference Result 6820 states and 9127 transitions. [2019-10-07 11:15:48,484 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 11:15:48,484 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 296 [2019-10-07 11:15:48,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 11:15:48,534 INFO L225 Difference]: With dead ends: 6820 [2019-10-07 11:15:48,534 INFO L226 Difference]: Without dead ends: 4529 [2019-10-07 11:15:48,548 INFO L606 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 [2019-10-07 11:15:48,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4529 states. [2019-10-07 11:15:48,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4529 to 4517. [2019-10-07 11:15:48,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4517 states. [2019-10-07 11:15:48,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4517 states to 4517 states and 5960 transitions. [2019-10-07 11:15:48,799 INFO L78 Accepts]: Start accepts. Automaton has 4517 states and 5960 transitions. Word has length 296 [2019-10-07 11:15:48,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 11:15:48,801 INFO L462 AbstractCegarLoop]: Abstraction has 4517 states and 5960 transitions. [2019-10-07 11:15:48,802 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 11:15:48,802 INFO L276 IsEmpty]: Start isEmpty. Operand 4517 states and 5960 transitions. [2019-10-07 11:15:48,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2019-10-07 11:15:48,812 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 11:15:48,813 INFO L385 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 10, 10, 10, 10, 10, 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] [2019-10-07 11:15:48,813 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 11:15:48,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 11:15:48,814 INFO L82 PathProgramCache]: Analyzing trace with hash -1082904808, now seen corresponding path program 1 times [2019-10-07 11:15:48,814 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 11:15:48,814 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:15:48,814 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:15:48,814 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:15:48,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 11:15:48,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 11:15:49,382 INFO L134 CoverageAnalysis]: Checked inductivity of 1112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1112 trivial. 0 not checked. [2019-10-07 11:15:49,383 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:15:49,383 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 11:15:49,384 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 11:15:49,386 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 11:15:49,386 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 11:15:49,387 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 11:15:49,387 INFO L87 Difference]: Start difference. First operand 4517 states and 5960 transitions. Second operand 3 states. [2019-10-07 11:15:49,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 11:15:49,922 INFO L93 Difference]: Finished difference Result 8889 states and 11702 transitions. [2019-10-07 11:15:49,922 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 11:15:49,923 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 310 [2019-10-07 11:15:49,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 11:15:49,970 INFO L225 Difference]: With dead ends: 8889 [2019-10-07 11:15:49,970 INFO L226 Difference]: Without dead ends: 4445 [2019-10-07 11:15:49,997 INFO L606 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 [2019-10-07 11:15:50,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4445 states. [2019-10-07 11:15:50,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4445 to 4445. [2019-10-07 11:15:50,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4445 states. [2019-10-07 11:15:50,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4445 states to 4445 states and 5836 transitions. [2019-10-07 11:15:50,278 INFO L78 Accepts]: Start accepts. Automaton has 4445 states and 5836 transitions. Word has length 310 [2019-10-07 11:15:50,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 11:15:50,282 INFO L462 AbstractCegarLoop]: Abstraction has 4445 states and 5836 transitions. [2019-10-07 11:15:50,282 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 11:15:50,283 INFO L276 IsEmpty]: Start isEmpty. Operand 4445 states and 5836 transitions. [2019-10-07 11:15:50,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2019-10-07 11:15:50,293 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 11:15:50,294 INFO L385 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 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] [2019-10-07 11:15:50,294 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 11:15:50,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 11:15:50,295 INFO L82 PathProgramCache]: Analyzing trace with hash -1143509776, now seen corresponding path program 1 times [2019-10-07 11:15:50,295 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 11:15:50,295 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:15:50,295 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:15:50,295 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:15:50,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 11:15:50,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 11:15:50,752 INFO L134 CoverageAnalysis]: Checked inductivity of 1110 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1110 trivial. 0 not checked. [2019-10-07 11:15:50,752 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:15:50,753 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 11:15:50,753 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 11:15:50,755 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 11:15:50,755 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 11:15:50,756 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 11:15:50,756 INFO L87 Difference]: Start difference. First operand 4445 states and 5836 transitions. Second operand 3 states. [2019-10-07 11:15:51,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 11:15:51,090 INFO L93 Difference]: Finished difference Result 8673 states and 11326 transitions. [2019-10-07 11:15:51,090 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 11:15:51,091 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 306 [2019-10-07 11:15:51,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 11:15:51,130 INFO L225 Difference]: With dead ends: 8673 [2019-10-07 11:15:51,131 INFO L226 Difference]: Without dead ends: 4301 [2019-10-07 11:15:51,155 INFO L606 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 [2019-10-07 11:15:51,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4301 states. [2019-10-07 11:15:51,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4301 to 4301. [2019-10-07 11:15:51,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4301 states. [2019-10-07 11:15:51,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4301 states to 4301 states and 5584 transitions. [2019-10-07 11:15:51,573 INFO L78 Accepts]: Start accepts. Automaton has 4301 states and 5584 transitions. Word has length 306 [2019-10-07 11:15:51,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 11:15:51,573 INFO L462 AbstractCegarLoop]: Abstraction has 4301 states and 5584 transitions. [2019-10-07 11:15:51,573 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 11:15:51,574 INFO L276 IsEmpty]: Start isEmpty. Operand 4301 states and 5584 transitions. [2019-10-07 11:15:51,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2019-10-07 11:15:51,584 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 11:15:51,585 INFO L385 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 10, 10, 10, 10, 10, 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] [2019-10-07 11:15:51,585 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 11:15:51,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 11:15:51,586 INFO L82 PathProgramCache]: Analyzing trace with hash 875527567, now seen corresponding path program 1 times [2019-10-07 11:15:51,586 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 11:15:51,586 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:15:51,586 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:15:51,586 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:15:51,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 11:15:51,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 11:15:52,011 INFO L134 CoverageAnalysis]: Checked inductivity of 1112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1112 trivial. 0 not checked. [2019-10-07 11:15:52,011 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:15:52,012 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 11:15:52,012 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 11:15:52,013 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 11:15:52,013 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 11:15:52,013 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 11:15:52,014 INFO L87 Difference]: Start difference. First operand 4301 states and 5584 transitions. Second operand 3 states. [2019-10-07 11:15:52,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 11:15:52,374 INFO L93 Difference]: Finished difference Result 6692 states and 8653 transitions. [2019-10-07 11:15:52,374 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 11:15:52,374 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 322 [2019-10-07 11:15:52,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 11:15:52,392 INFO L225 Difference]: With dead ends: 6692 [2019-10-07 11:15:52,392 INFO L226 Difference]: Without dead ends: 2464 [2019-10-07 11:15:52,410 INFO L606 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 [2019-10-07 11:15:52,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2464 states. [2019-10-07 11:15:52,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2464 to 2405. [2019-10-07 11:15:52,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2405 states. [2019-10-07 11:15:52,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2405 states to 2405 states and 3095 transitions. [2019-10-07 11:15:52,553 INFO L78 Accepts]: Start accepts. Automaton has 2405 states and 3095 transitions. Word has length 322 [2019-10-07 11:15:52,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 11:15:52,555 INFO L462 AbstractCegarLoop]: Abstraction has 2405 states and 3095 transitions. [2019-10-07 11:15:52,555 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 11:15:52,555 INFO L276 IsEmpty]: Start isEmpty. Operand 2405 states and 3095 transitions. [2019-10-07 11:15:52,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 385 [2019-10-07 11:15:52,571 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 11:15:52,572 INFO L385 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 12, 12, 12, 12, 12, 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] [2019-10-07 11:15:52,572 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 11:15:52,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 11:15:52,572 INFO L82 PathProgramCache]: Analyzing trace with hash 1658798667, now seen corresponding path program 1 times [2019-10-07 11:15:52,573 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 11:15:52,573 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:15:52,573 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:15:52,573 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:15:52,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 11:15:52,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 11:15:54,029 INFO L134 CoverageAnalysis]: Checked inductivity of 1246 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1244 trivial. 0 not checked. [2019-10-07 11:15:54,030 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:15:54,030 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 11:15:54,030 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 11:15:54,031 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 11:15:54,031 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 11:15:54,031 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 11:15:54,032 INFO L87 Difference]: Start difference. First operand 2405 states and 3095 transitions. Second operand 5 states. [2019-10-07 11:15:55,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 11:15:55,283 INFO L93 Difference]: Finished difference Result 4733 states and 6082 transitions. [2019-10-07 11:15:55,283 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-07 11:15:55,283 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 384 [2019-10-07 11:15:55,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 11:15:55,299 INFO L225 Difference]: With dead ends: 4733 [2019-10-07 11:15:55,300 INFO L226 Difference]: Without dead ends: 2414 [2019-10-07 11:15:55,309 INFO L606 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 [2019-10-07 11:15:55,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2414 states. [2019-10-07 11:15:55,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2414 to 2409. [2019-10-07 11:15:55,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2409 states. [2019-10-07 11:15:55,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2409 states to 2409 states and 3098 transitions. [2019-10-07 11:15:55,434 INFO L78 Accepts]: Start accepts. Automaton has 2409 states and 3098 transitions. Word has length 384 [2019-10-07 11:15:55,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 11:15:55,434 INFO L462 AbstractCegarLoop]: Abstraction has 2409 states and 3098 transitions. [2019-10-07 11:15:55,434 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 11:15:55,435 INFO L276 IsEmpty]: Start isEmpty. Operand 2409 states and 3098 transitions. [2019-10-07 11:15:55,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 440 [2019-10-07 11:15:55,447 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 11:15:55,447 INFO L385 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 14, 14, 14, 14, 14, 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] [2019-10-07 11:15:55,447 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 11:15:55,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 11:15:55,448 INFO L82 PathProgramCache]: Analyzing trace with hash 559704062, now seen corresponding path program 1 times [2019-10-07 11:15:55,448 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 11:15:55,448 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:15:55,449 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:15:55,449 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:15:55,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 11:15:55,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 11:15:56,150 INFO L134 CoverageAnalysis]: Checked inductivity of 1402 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1400 trivial. 0 not checked. [2019-10-07 11:15:56,151 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:15:56,151 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 11:15:56,151 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 11:15:56,152 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 11:15:56,152 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 11:15:56,152 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 11:15:56,153 INFO L87 Difference]: Start difference. First operand 2409 states and 3098 transitions. Second operand 3 states. [2019-10-07 11:15:57,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 11:15:57,665 INFO L93 Difference]: Finished difference Result 5920 states and 7612 transitions. [2019-10-07 11:15:57,666 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 11:15:57,666 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 439 [2019-10-07 11:15:57,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 11:15:57,688 INFO L225 Difference]: With dead ends: 5920 [2019-10-07 11:15:57,688 INFO L226 Difference]: Without dead ends: 3601 [2019-10-07 11:15:57,698 INFO L606 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 [2019-10-07 11:15:57,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3601 states. [2019-10-07 11:15:57,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3601 to 3540. [2019-10-07 11:15:57,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3540 states. [2019-10-07 11:15:57,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3540 states to 3540 states and 4543 transitions. [2019-10-07 11:15:57,860 INFO L78 Accepts]: Start accepts. Automaton has 3540 states and 4543 transitions. Word has length 439 [2019-10-07 11:15:57,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 11:15:57,860 INFO L462 AbstractCegarLoop]: Abstraction has 3540 states and 4543 transitions. [2019-10-07 11:15:57,860 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 11:15:57,861 INFO L276 IsEmpty]: Start isEmpty. Operand 3540 states and 4543 transitions. [2019-10-07 11:15:57,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 439 [2019-10-07 11:15:57,873 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 11:15:57,874 INFO L385 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 14, 14, 14, 14, 14, 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] [2019-10-07 11:15:57,874 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 11:15:57,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 11:15:57,874 INFO L82 PathProgramCache]: Analyzing trace with hash -1721567402, now seen corresponding path program 1 times [2019-10-07 11:15:57,875 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 11:15:57,875 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:15:57,875 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:15:57,875 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:15:57,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 11:15:58,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 11:15:58,494 INFO L134 CoverageAnalysis]: Checked inductivity of 1402 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1402 trivial. 0 not checked. [2019-10-07 11:15:58,494 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:15:58,494 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 11:15:58,494 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 11:15:58,495 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 11:15:58,496 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 11:15:58,496 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 11:15:58,496 INFO L87 Difference]: Start difference. First operand 3540 states and 4543 transitions. Second operand 3 states. [2019-10-07 11:15:58,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 11:15:58,666 INFO L93 Difference]: Finished difference Result 7018 states and 9220 transitions. [2019-10-07 11:15:58,666 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 11:15:58,667 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 438 [2019-10-07 11:15:58,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 11:15:58,702 INFO L225 Difference]: With dead ends: 7018 [2019-10-07 11:15:58,702 INFO L226 Difference]: Without dead ends: 3568 [2019-10-07 11:15:58,719 INFO L606 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 [2019-10-07 11:15:58,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3568 states. [2019-10-07 11:15:58,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3568 to 3552. [2019-10-07 11:15:58,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3552 states. [2019-10-07 11:15:58,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3552 states to 3552 states and 4559 transitions. [2019-10-07 11:15:58,955 INFO L78 Accepts]: Start accepts. Automaton has 3552 states and 4559 transitions. Word has length 438 [2019-10-07 11:15:58,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 11:15:58,956 INFO L462 AbstractCegarLoop]: Abstraction has 3552 states and 4559 transitions. [2019-10-07 11:15:58,956 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 11:15:58,956 INFO L276 IsEmpty]: Start isEmpty. Operand 3552 states and 4559 transitions. [2019-10-07 11:15:58,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 443 [2019-10-07 11:15:58,970 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 11:15:58,971 INFO L385 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 14, 14, 14, 14, 14, 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] [2019-10-07 11:15:58,971 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 11:15:58,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 11:15:58,972 INFO L82 PathProgramCache]: Analyzing trace with hash 191845876, now seen corresponding path program 1 times [2019-10-07 11:15:58,972 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 11:15:58,972 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:15:58,972 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:15:58,972 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:15:58,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 11:16:00,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 11:16:01,407 INFO L134 CoverageAnalysis]: Checked inductivity of 1402 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 1327 trivial. 0 not checked. [2019-10-07 11:16:01,408 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:16:01,408 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 11:16:01,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 11:16:02,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 11:16:02,925 INFO L256 TraceCheckSpWp]: Trace formula consists of 5502 conjuncts, 15 conjunts are in the unsatisfiable core [2019-10-07 11:16:02,963 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 11:16:03,100 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 11:16:03,335 INFO L134 CoverageAnalysis]: Checked inductivity of 1402 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1401 trivial. 0 not checked. [2019-10-07 11:16:03,335 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 11:16:03,747 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 11:16:04,316 INFO L134 CoverageAnalysis]: Checked inductivity of 1402 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1401 trivial. 0 not checked. [2019-10-07 11:16:04,317 INFO L211 tionRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-10-07 11:16:04,317 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [9, 9] imperfect sequences [6] total 16 [2019-10-07 11:16:04,319 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-10-07 11:16:04,319 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-10-07 11:16:04,320 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=206, Unknown=0, NotChecked=0, Total=240 [2019-10-07 11:16:04,320 INFO L87 Difference]: Start difference. First operand 3552 states and 4559 transitions. Second operand 12 states. [2019-10-07 11:16:05,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 11:16:05,139 INFO L93 Difference]: Finished difference Result 7042 states and 9242 transitions. [2019-10-07 11:16:05,140 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-07 11:16:05,140 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 442 [2019-10-07 11:16:05,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 11:16:05,162 INFO L225 Difference]: With dead ends: 7042 [2019-10-07 11:16:05,163 INFO L226 Difference]: Without dead ends: 3580 [2019-10-07 11:16:05,181 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 891 GetRequests, 872 SyntacticMatches, 3 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=48, Invalid=258, Unknown=0, NotChecked=0, Total=306 [2019-10-07 11:16:05,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3580 states. [2019-10-07 11:16:05,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3580 to 3568. [2019-10-07 11:16:05,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3568 states. [2019-10-07 11:16:05,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3568 states to 3568 states and 4575 transitions. [2019-10-07 11:16:05,376 INFO L78 Accepts]: Start accepts. Automaton has 3568 states and 4575 transitions. Word has length 442 [2019-10-07 11:16:05,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 11:16:05,377 INFO L462 AbstractCegarLoop]: Abstraction has 3568 states and 4575 transitions. [2019-10-07 11:16:05,377 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-10-07 11:16:05,377 INFO L276 IsEmpty]: Start isEmpty. Operand 3568 states and 4575 transitions. [2019-10-07 11:16:05,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 508 [2019-10-07 11:16:05,386 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 11:16:05,387 INFO L385 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 14, 14, 14, 14, 14, 8, 3, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 11:16:05,603 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 11:16:05,603 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 11:16:05,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 11:16:05,605 INFO L82 PathProgramCache]: Analyzing trace with hash 1746293594, now seen corresponding path program 1 times [2019-10-07 11:16:05,605 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 11:16:05,605 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:16:05,605 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:16:05,606 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:16:05,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 11:16:07,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 11:16:07,453 INFO L134 CoverageAnalysis]: Checked inductivity of 1477 backedges. 5 proven. 74 refuted. 0 times theorem prover too weak. 1398 trivial. 0 not checked. [2019-10-07 11:16:07,453 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:16:07,453 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 11:16:07,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 11:16:08,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 11:16:08,996 INFO L256 TraceCheckSpWp]: Trace formula consists of 5824 conjuncts, 44 conjunts are in the unsatisfiable core [2019-10-07 11:16:09,021 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 11:16:09,155 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 11:16:10,008 INFO L134 CoverageAnalysis]: Checked inductivity of 1477 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 1434 trivial. 0 not checked. [2019-10-07 11:16:10,009 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 11:16:11,133 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 11:16:11,292 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 11:16:11,390 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 11:16:11,395 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 11:16:11,992 INFO L134 CoverageAnalysis]: Checked inductivity of 1477 backedges. 12 proven. 3 refuted. 0 times theorem prover too weak. 1462 trivial. 0 not checked. [2019-10-07 11:16:11,993 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-07 11:16:11,993 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [6, 15] total 27 [2019-10-07 11:16:11,994 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-10-07 11:16:11,994 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-10-07 11:16:11,995 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=640, Unknown=0, NotChecked=0, Total=702 [2019-10-07 11:16:11,995 INFO L87 Difference]: Start difference. First operand 3568 states and 4575 transitions. Second operand 15 states. [2019-10-07 11:16:13,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 11:16:13,253 INFO L93 Difference]: Finished difference Result 7126 states and 9354 transitions. [2019-10-07 11:16:13,254 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-10-07 11:16:13,254 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 507 [2019-10-07 11:16:13,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 11:16:13,286 INFO L225 Difference]: With dead ends: 7126 [2019-10-07 11:16:13,286 INFO L226 Difference]: Without dead ends: 3648 [2019-10-07 11:16:13,307 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 1026 GetRequests, 993 SyntacticMatches, 1 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=105, Invalid=1017, Unknown=0, NotChecked=0, Total=1122 [2019-10-07 11:16:13,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3648 states. [2019-10-07 11:16:13,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3648 to 3600. [2019-10-07 11:16:13,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3600 states. [2019-10-07 11:16:13,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3600 states to 3600 states and 4611 transitions. [2019-10-07 11:16:13,570 INFO L78 Accepts]: Start accepts. Automaton has 3600 states and 4611 transitions. Word has length 507 [2019-10-07 11:16:13,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 11:16:13,572 INFO L462 AbstractCegarLoop]: Abstraction has 3600 states and 4611 transitions. [2019-10-07 11:16:13,572 INFO L463 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-10-07 11:16:13,572 INFO L276 IsEmpty]: Start isEmpty. Operand 3600 states and 4611 transitions. [2019-10-07 11:16:13,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 452 [2019-10-07 11:16:13,587 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 11:16:13,590 INFO L385 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 14, 14, 14, 14, 14, 3, 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] [2019-10-07 11:16:13,804 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 11:16:13,804 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 11:16:13,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 11:16:13,805 INFO L82 PathProgramCache]: Analyzing trace with hash -827092275, now seen corresponding path program 1 times [2019-10-07 11:16:13,805 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 11:16:13,805 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:16:13,806 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:16:13,806 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:16:13,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 11:16:15,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 11:16:15,830 INFO L134 CoverageAnalysis]: Checked inductivity of 1406 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 1331 trivial. 0 not checked. [2019-10-07 11:16:15,830 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:16:15,831 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 11:16:15,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 11:16:37,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 11:16:37,912 INFO L256 TraceCheckSpWp]: Trace formula consists of 5554 conjuncts, 15 conjunts are in the unsatisfiable core [2019-10-07 11:16:37,925 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 11:16:37,978 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 11:16:38,206 INFO L134 CoverageAnalysis]: Checked inductivity of 1406 backedges. 441 proven. 0 refuted. 0 times theorem prover too weak. 965 trivial. 0 not checked. [2019-10-07 11:16:38,206 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 11:16:38,758 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 11:16:38,797 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 11:16:39,040 INFO L134 CoverageAnalysis]: Checked inductivity of 1406 backedges. 5 proven. 70 refuted. 0 times theorem prover too weak. 1331 trivial. 0 not checked. [2019-10-07 11:16:39,040 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-07 11:16:39,041 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6, 6] total 12 [2019-10-07 11:16:39,041 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-07 11:16:39,042 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-07 11:16:39,042 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2019-10-07 11:16:39,042 INFO L87 Difference]: Start difference. First operand 3600 states and 4611 transitions. Second operand 6 states. [2019-10-07 11:16:39,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 11:16:39,390 INFO L93 Difference]: Finished difference Result 7169 states and 9197 transitions. [2019-10-07 11:16:39,391 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 11:16:39,391 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 451 [2019-10-07 11:16:39,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 11:16:39,408 INFO L225 Difference]: With dead ends: 7169 [2019-10-07 11:16:39,409 INFO L226 Difference]: Without dead ends: 3601 [2019-10-07 11:16:39,420 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 909 GetRequests, 894 SyntacticMatches, 3 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2019-10-07 11:16:39,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3601 states. [2019-10-07 11:16:39,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3601 to 3601. [2019-10-07 11:16:39,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3601 states. [2019-10-07 11:16:39,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3601 states to 3601 states and 4612 transitions. [2019-10-07 11:16:39,589 INFO L78 Accepts]: Start accepts. Automaton has 3601 states and 4612 transitions. Word has length 451 [2019-10-07 11:16:39,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 11:16:39,590 INFO L462 AbstractCegarLoop]: Abstraction has 3601 states and 4612 transitions. [2019-10-07 11:16:39,590 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-07 11:16:39,590 INFO L276 IsEmpty]: Start isEmpty. Operand 3601 states and 4612 transitions. [2019-10-07 11:16:39,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 483 [2019-10-07 11:16:39,602 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 11:16:39,603 INFO L385 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 14, 14, 14, 14, 14, 3, 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] [2019-10-07 11:16:39,818 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 11:16:39,819 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 11:16:39,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 11:16:39,820 INFO L82 PathProgramCache]: Analyzing trace with hash 669561040, now seen corresponding path program 1 times [2019-10-07 11:16:39,820 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 11:16:39,820 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:16:39,821 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:16:39,821 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:16:39,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 11:16:42,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 11:16:42,939 INFO L134 CoverageAnalysis]: Checked inductivity of 1790 backedges. 0 proven. 121 refuted. 0 times theorem prover too weak. 1669 trivial. 0 not checked. [2019-10-07 11:16:42,939 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:16:42,940 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 11:16:42,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 11:17:12,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 11:17:13,045 INFO L256 TraceCheckSpWp]: Trace formula consists of 5727 conjuncts, 23 conjunts are in the unsatisfiable core [2019-10-07 11:17:13,060 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 11:17:13,127 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 11:17:13,225 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 11:17:13,350 INFO L134 CoverageAnalysis]: Checked inductivity of 1790 backedges. 432 proven. 41 refuted. 0 times theorem prover too weak. 1317 trivial. 0 not checked. [2019-10-07 11:17:13,350 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 11:17:13,732 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 11:17:13,789 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 11:17:14,326 INFO L134 CoverageAnalysis]: Checked inductivity of 1790 backedges. 120 proven. 1 refuted. 0 times theorem prover too weak. 1669 trivial. 0 not checked. [2019-10-07 11:17:14,326 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 11:17:14,384 INFO L162 IcfgInterpreter]: Started Sifa with 258 locations of interest [2019-10-07 11:17:14,384 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 11:17:14,396 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 11:17:14,407 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 11:17:14,408 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-07 11:17:18,899 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string102.base| |#t~string106.base|) [2019-10-07 11:17:20,912 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string102.base| |#t~string112.base|) [2019-10-07 11:17:27,453 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string102.base| ~__ksymtab_vfio_unregister_iommu_driver~0.name.base) [2019-10-07 11:17:29,492 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string227.base| |#t~string102.base|) [2019-10-07 11:17:31,526 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string228.base| |#t~string102.base|) [2019-10-07 11:17:35,047 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string245.base| |#t~string102.base|) [2019-10-07 11:17:38,694 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= (select (select |#memory_$Pointer$.base| |~#vfio_driver_whitelist~0.base|) |~#vfio_driver_whitelist~0.offset|) |#t~string102.base|) [2019-10-07 11:17:42,096 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |~#vfio_driver_whitelist~0.base| |#t~string102.base|) [2019-10-07 11:17:44,136 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string102.base| |#t~string283.base|) [2019-10-07 11:17:47,056 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string298.base| |#t~string102.base|) [2019-10-07 11:17:51,721 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string301.base| |#t~string102.base|) [2019-10-07 11:17:53,755 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string307.base| |#t~string102.base|) [2019-10-07 11:17:55,791 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string308.base| |#t~string102.base|) [2019-10-07 11:17:57,837 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string309.base| |#t~string102.base|) [2019-10-07 11:18:09,803 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string325.base| |#t~string102.base|) [2019-10-07 11:18:18,756 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string337.base| |#t~string102.base|) [2019-10-07 11:18:20,820 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string338.base| |#t~string102.base|) [2019-10-07 11:18:22,853 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string339.base| |#t~string102.base|) [2019-10-07 11:18:27,958 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string347.base| |#t~string102.base|) [2019-10-07 11:18:30,020 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string102.base| |#t~string360.base|) [2019-10-07 11:18:32,112 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string102.base| |#t~string361.base|) [2019-10-07 11:18:36,237 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string102.base| ~__ksymtab_vfio_device_get_from_dev~0.name.base) [2019-10-07 11:18:38,283 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= ~__ksymtab_vfio_device_data~0.name.base |#t~string102.base|) [2019-10-07 11:18:41,682 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string387.base| |#t~string102.base|) [2019-10-07 11:18:43,708 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string392.base| |#t~string102.base|) [2019-10-07 11:18:46,518 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string102.base| ~__ksymtab_vfio_del_group_dev~0.name.base) [2019-10-07 11:18:48,563 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string102.base| |#t~string499.base|) [2019-10-07 11:18:53,909 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string617.base| |#t~string102.base|) [2019-10-07 11:18:56,049 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string638.base| |#t~string102.base|) [2019-10-07 11:18:58,146 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |~#vfio_group_fops~0.base| |#t~string102.base|) [2019-10-07 11:19:06,215 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string102.base| ~__ksymtab_vfio_external_check_extension~0.name.base) [2019-10-07 11:19:08,274 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string102.base| |#t~string731.base|) [2019-10-07 11:19:17,718 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string102.base| |#t~string736.base|) [2019-10-07 11:19:21,234 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string740.base| |#t~string102.base|) [2019-10-07 11:19:29,740 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string762.base| |#t~string102.base|) [2019-10-07 11:19:31,837 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string106.base| |#t~string112.base|) [2019-10-07 11:19:33,864 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string207.base| |#t~string106.base|) [2019-10-07 11:19:40,442 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string227.base| |#t~string106.base|) [2019-10-07 11:19:45,230 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= ~__ksymtab_vfio_device_put~0.name.base |#t~string106.base|) [2019-10-07 11:19:53,055 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string106.base| |#t~string283.base|) [2019-10-07 11:19:58,087 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string299.base| |#t~string106.base|) [2019-10-07 11:20:02,805 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string307.base| |#t~string106.base|) [2019-10-07 11:20:05,749 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string309.base| |#t~string106.base|) [2019-10-07 11:20:07,793 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string310.base| |#t~string106.base|) [2019-10-07 11:20:23,642 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string334.base| |#t~string106.base|) [2019-10-07 11:20:25,704 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string337.base| |#t~string106.base|) [2019-10-07 11:20:28,653 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string339.base| |#t~string106.base|) [2019-10-07 11:20:34,020 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string347.base| |#t~string106.base|) [2019-10-07 11:20:45,881 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string392.base| |#t~string106.base|) [2019-10-07 11:20:47,940 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string106.base| |#t~string400.base|) [2019-10-07 11:20:49,996 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= ~__ksymtab_vfio_del_group_dev~0.name.base |#t~string106.base|) [2019-10-07 11:20:52,075 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string106.base| |#t~string499.base|) [2019-10-07 11:20:54,118 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string106.base| (select (select |#memory_$Pointer$.base| |~#vfio_dev~0.base|) (+ |~#vfio_dev~0.offset| 8))) [2019-10-07 11:20:56,926 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string617.base| |#t~string106.base|) [2019-10-07 11:20:58,965 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string638.base| |#t~string106.base|) [2019-10-07 11:21:01,011 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |~#vfio_group_fops~0.base| |#t~string106.base|) [2019-10-07 11:21:03,948 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= ~__ksymtab_vfio_group_get_external_user~0.name.base |#t~string106.base|) [2019-10-07 11:21:07,425 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= ~__ksymtab_vfio_external_user_iommu_id~0.name.base |#t~string106.base|) [2019-10-07 11:21:17,825 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string106.base| |#t~string734.base|) [2019-10-07 11:21:27,185 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string754.base| |#t~string106.base|) [2019-10-07 11:21:34,069 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |~#vfio~0.base| |#t~string112.base|) [2019-10-07 11:21:44,126 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= ~__ksymtab_vfio_device_put~0.name.base |#t~string112.base|) [2019-10-07 11:21:54,968 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string299.base| |#t~string112.base|) [2019-10-07 11:22:00,113 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string307.base| |#t~string112.base|) [2019-10-07 11:22:08,058 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string312.base| |#t~string112.base|) [2019-10-07 11:22:16,768 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string327.base| |#t~string112.base|) [2019-10-07 11:22:30,731 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string347.base| |#t~string112.base|) [2019-10-07 11:22:32,802 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string360.base| |#t~string112.base|) [2019-10-07 11:22:37,437 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= ~__ksymtab_vfio_device_get_from_dev~0.name.base |#t~string112.base|) [2019-10-07 11:22:55,774 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= ~__ksymtab_vfio_group_get_external_user~0.name.base |#t~string112.base|) [2019-10-07 11:23:06,852 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string734.base| |#t~string112.base|) [2019-10-07 11:23:17,346 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string752.base| |#t~string112.base|) [2019-10-07 11:23:19,386 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string754.base| |#t~string112.base|) [2019-10-07 11:23:21,476 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string756.base| |#t~string112.base|) [2019-10-07 11:23:25,712 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |~#vfio~0.base| |#t~string207.base|) [2019-10-07 11:23:38,462 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= (select (select |#memory_$Pointer$.base| |~#vfio_driver_whitelist~0.base|) (+ |~#vfio_driver_whitelist~0.offset| 4)) |#t~string207.base|) [2019-10-07 11:23:43,782 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string291.base| |#t~string207.base|) [2019-10-07 11:23:52,389 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string207.base| |#t~string309.base|) [2019-10-07 11:23:55,454 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string207.base| |#t~string311.base|) [2019-10-07 11:23:59,074 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string207.base| |#t~string318.base|) [2019-10-07 11:24:01,959 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string324.base| |#t~string207.base|) [2019-10-07 11:24:10,091 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string207.base| |#t~string334.base|) [2019-10-07 11:24:18,691 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string207.base| |#t~string347.base|) [2019-10-07 11:24:25,305 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string207.base| ~__ksymtab_vfio_device_get_from_dev~0.name.base) [2019-10-07 11:24:27,343 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string207.base| ~__ksymtab_vfio_device_data~0.name.base) [2019-10-07 11:24:31,177 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string207.base| |#t~string387.base|) [2019-10-07 11:24:36,915 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string207.base| ~__ksymtab_vfio_del_group_dev~0.name.base) [2019-10-07 11:24:40,046 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string207.base| (select (select |#memory_$Pointer$.base| |~#vfio_dev~0.base|) (+ |~#vfio_dev~0.offset| 8))) [2019-10-07 11:24:43,564 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string617.base| |#t~string207.base|) [2019-10-07 11:24:48,853 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string207.base| ~__ksymtab_vfio_group_get_external_user~0.name.base) [2019-10-07 11:25:05,523 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string207.base| |#t~string736.base|) [2019-10-07 11:25:08,368 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string740.base| |#t~string207.base|) [2019-10-07 11:25:10,462 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string747.base| |#t~string207.base|) [2019-10-07 11:25:13,399 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string207.base| |#t~string754.base|) [2019-10-07 11:25:15,468 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string207.base| |#t~string756.base|) [2019-10-07 11:25:19,919 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= ~__ksymtab_vfio_register_iommu_driver~0.name.base |#t~string211.base|) [2019-10-07 11:25:25,147 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string211.base| |#t~string240.base|) [2019-10-07 11:25:34,682 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string211.base| |#t~string283.base|) [2019-10-07 11:25:37,518 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string298.base| |#t~string211.base|) [2019-10-07 11:25:41,219 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string211.base| |#t~string300.base|) [2019-10-07 11:25:43,281 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string211.base| |#t~string301.base|) [2019-10-07 11:25:47,338 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string211.base| |#t~string308.base|) [2019-10-07 11:25:50,972 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string211.base| |#t~string311.base|) [2019-10-07 11:25:53,014 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string211.base| |#t~string312.base|) [2019-10-07 11:25:56,720 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string211.base| |#t~string319.base|) [2019-10-07 11:25:58,767 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string324.base| |#t~string211.base|) [2019-10-07 11:26:04,022 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string327.base| |#t~string211.base|) [2019-10-07 11:26:12,622 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string211.base| |#t~string340.base|) [2019-10-07 11:26:20,428 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string211.base| ~__ksymtab_vfio_add_group_dev~0.name.base) [2019-10-07 11:26:22,473 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string211.base| ~__ksymtab_vfio_device_get_from_dev~0.name.base) [2019-10-07 11:26:27,790 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string387.base| |#t~string211.base|) [2019-10-07 11:26:37,172 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string211.base| |#t~string578.base|) [2019-10-07 11:26:40,228 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string211.base| |#t~string638.base|) [2019-10-07 11:26:42,343 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |~#vfio_group_fops~0.base| |#t~string211.base|) [2019-10-07 11:26:44,419 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string211.base| |~#vfio_device_fops~0.base|) [2019-10-07 11:26:48,724 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= ~__ksymtab_vfio_external_user_iommu_id~0.name.base |#t~string211.base|) [2019-10-07 11:26:50,772 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string211.base| ~__ksymtab_vfio_external_check_extension~0.name.base) [2019-10-07 11:26:52,875 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string211.base| |#t~string731.base|) [2019-10-07 11:26:58,443 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string211.base| |#t~string734.base|) [2019-10-07 11:27:00,555 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string211.base| |#t~string735.base|) [2019-10-07 11:27:11,432 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string756.base| |#t~string211.base|) [2019-10-07 11:27:15,305 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= ~__ksymtab_vfio_register_iommu_driver~0.name.base |~#vfio~0.base|) [2019-10-07 11:27:17,325 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |~#vfio~0.base| ~__ksymtab_vfio_unregister_iommu_driver~0.name.base) [2019-10-07 11:27:19,345 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |~#vfio~0.base| |#t~string227.base|) [2019-10-07 11:27:24,169 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string245.base| |~#vfio~0.base|) [2019-10-07 11:27:27,702 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |~#vfio~0.base| (select (select |#memory_$Pointer$.base| |~#vfio_driver_whitelist~0.base|) |~#vfio_driver_whitelist~0.offset|)) [2019-10-07 11:27:29,741 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |~#vfio~0.base| (select (select |#memory_$Pointer$.base| |~#vfio_driver_whitelist~0.base|) (+ |~#vfio_driver_whitelist~0.offset| 4))) [2019-10-07 11:27:33,535 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |~#vfio~0.base| |#t~string283.base|) [2019-10-07 11:27:37,396 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string299.base| |~#vfio~0.base|) [2019-10-07 11:27:42,385 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |~#vfio~0.base| |#t~string308.base|) [2019-10-07 11:27:45,796 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |~#vfio~0.base| |#t~string310.base|) [2019-10-07 11:27:47,831 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |~#vfio~0.base| |#t~string311.base|) [2019-10-07 11:27:53,085 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |~#vfio~0.base| |#t~string319.base|) [2019-10-07 11:27:55,155 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string324.base| |~#vfio~0.base|) [2019-10-07 11:27:57,183 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string325.base| |~#vfio~0.base|) [2019-10-07 11:28:02,455 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |~#vfio~0.base| |#t~string333.base|) [2019-10-07 11:28:04,486 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |~#vfio~0.base| |#t~string334.base|) [2019-10-07 11:28:07,272 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |~#vfio~0.base| |#t~string338.base|) [2019-10-07 11:28:09,330 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |~#vfio~0.base| |#t~string339.base|) [2019-10-07 11:28:13,097 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |~#vfio~0.base| |#t~string346.base|) [2019-10-07 11:28:21,363 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |~#vfio~0.base| ~__ksymtab_vfio_device_get_from_dev~0.name.base) [2019-10-07 11:28:23,386 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |~#vfio~0.base| ~__ksymtab_vfio_device_data~0.name.base) [2019-10-07 11:28:25,406 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string376.base| |~#vfio~0.base|) [2019-10-07 11:28:30,424 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |~#vfio~0.base| |#t~string400.base|) [2019-10-07 11:28:34,421 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |~#vfio~0.base| |#t~string499.base|) [2019-10-07 11:28:36,499 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |~#vfio~0.base| (select (select |#memory_$Pointer$.base| |~#vfio_dev~0.base|) (+ |~#vfio_dev~0.offset| 8))) [2019-10-07 11:28:41,434 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |~#vfio~0.base| |#t~string638.base|) [2019-10-07 11:28:45,498 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |~#vfio~0.base| |~#vfio_device_fops~0.base|) [2019-10-07 11:28:47,519 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |~#vfio~0.base| ~__ksymtab_vfio_group_get_external_user~0.name.base) [2019-10-07 11:28:49,544 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |~#vfio~0.base| ~__ksymtab_vfio_group_put_external_user~0.name.base) [2019-10-07 11:28:51,567 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |~#vfio~0.base| ~__ksymtab_vfio_external_user_iommu_id~0.name.base) [2019-10-07 11:28:53,593 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |~#vfio~0.base| ~__ksymtab_vfio_external_check_extension~0.name.base) [2019-10-07 11:28:55,607 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |~#vfio~0.base| |#t~string731.base|) [2019-10-07 11:28:57,688 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |~#vfio_dev~0.base| |~#vfio~0.base|) [2019-10-07 11:29:01,408 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |~#vfio~0.base| |#t~string733.base|) [2019-10-07 11:29:11,503 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string747.base| |~#vfio~0.base|) [2019-10-07 11:29:13,528 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |~#vfio~0.base| |#t~string752.base|) [2019-10-07 11:29:15,583 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |~#vfio~0.base| |#t~string754.base|) [2019-10-07 11:29:18,486 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |~#vfio~0.base| |#t~string762.base|) [2019-10-07 11:29:20,522 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= ~__ksymtab_vfio_register_iommu_driver~0.name.base ~__ksymtab_vfio_unregister_iommu_driver~0.name.base) [2019-10-07 11:29:22,545 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= ~__ksymtab_vfio_register_iommu_driver~0.name.base |#t~string227.base|) [2019-10-07 11:29:26,758 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string245.base| ~__ksymtab_vfio_register_iommu_driver~0.name.base) [2019-10-07 11:29:30,505 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= ~__ksymtab_vfio_register_iommu_driver~0.name.base (select (select |#memory_$Pointer$.base| |~#vfio_driver_whitelist~0.base|) |~#vfio_driver_whitelist~0.offset|))