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-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 10:30:36,829 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 10:30:36,831 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 10:30:36,843 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 10:30:36,843 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 10:30:36,844 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 10:30:36,846 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 10:30:36,848 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 10:30:36,849 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 10:30:36,850 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 10:30:36,851 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 10:30:36,852 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 10:30:36,852 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 10:30:36,853 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 10:30:36,854 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 10:30:36,855 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 10:30:36,856 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 10:30:36,857 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 10:30:36,858 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 10:30:36,861 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 10:30:36,863 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 10:30:36,864 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 10:30:36,865 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 10:30:36,865 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 10:30:36,867 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 10:30:36,868 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 10:30:36,868 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 10:30:36,869 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 10:30:36,869 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 10:30:36,870 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 10:30:36,870 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 10:30:36,871 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 10:30:36,872 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 10:30:36,872 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 10:30:36,873 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 10:30:36,873 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 10:30:36,874 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 10:30:36,874 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 10:30:36,874 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 10:30:36,875 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 10:30:36,876 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 10:30:36,877 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 10:30:36,890 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 10:30:36,891 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 10:30:36,892 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 10:30:36,892 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 10:30:36,892 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 10:30:36,893 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 10:30:36,893 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 10:30:36,893 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 10:30:36,893 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 10:30:36,893 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 10:30:36,894 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 10:30:36,894 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 10:30:36,894 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 10:30:36,894 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 10:30:36,894 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 10:30:36,895 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 10:30:36,895 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 10:30:36,895 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 10:30:36,895 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 10:30:36,895 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 10:30:36,896 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 10:30:36,896 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 10:30:36,896 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 10:30:36,896 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 10:30:36,896 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 10:30:36,897 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 10:30:36,897 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 10:30:36,897 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 10:30:36,897 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 10:30:37,211 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 10:30:37,229 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 10:30:37,232 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 10:30:37,234 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 10:30:37,234 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 10:30:37,235 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i [2019-10-07 10:30:37,309 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c3d467ab2/87b3547c14314c85a1e090a7d2b70d16/FLAG31009b218 [2019-10-07 10:30:38,256 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 10:30:38,257 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i [2019-10-07 10:30:38,325 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c3d467ab2/87b3547c14314c85a1e090a7d2b70d16/FLAG31009b218 [2019-10-07 10:30:38,693 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c3d467ab2/87b3547c14314c85a1e090a7d2b70d16 [2019-10-07 10:30:38,708 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 10:30:38,710 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 10:30:38,711 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 10:30:38,711 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 10:30:38,714 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 10:30:38,715 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 10:30:38" (1/1) ... [2019-10-07 10:30:38,718 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d5d6786 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 10:30:38, skipping insertion in model container [2019-10-07 10:30:38,719 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 10:30:38" (1/1) ... [2019-10-07 10:30:38,726 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 10:30:38,933 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 10:30:44,855 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 10:30:44,904 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 10:30:45,473 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 10:30:46,899 INFO L192 MainTranslator]: Completed translation [2019-10-07 10:30:46,900 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 10:30:46 WrapperNode [2019-10-07 10:30:46,900 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 10:30:46,901 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 10:30:46,901 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 10:30:46,901 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 10:30:46,913 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 10:30:46" (1/1) ... [2019-10-07 10:30:46,914 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 10:30:46" (1/1) ... [2019-10-07 10:30:47,040 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 10:30:46" (1/1) ... [2019-10-07 10:30:47,041 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 10:30:46" (1/1) ... [2019-10-07 10:30:47,230 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 10:30:46" (1/1) ... [2019-10-07 10:30:47,271 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 10:30:46" (1/1) ... [2019-10-07 10:30:47,346 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 10:30:46" (1/1) ... [2019-10-07 10:30:47,401 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 10:30:47,402 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 10:30:47,402 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 10:30:47,402 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 10:30:47,404 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 10:30:46" (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 10:30:47,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 10:30:47,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 10:30:47,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2019-10-07 10:30:47,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2019-10-07 10:30:47,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2019-10-07 10:30:47,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2019-10-07 10:30:47,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-10-07 10:30:47,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~X~int~TO~int [2019-10-07 10:30:47,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2019-10-07 10:30:47,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~$Pointer$ [2019-10-07 10:30:47,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-10-07 10:30:47,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~int~X~int~TO~int [2019-10-07 10:30:47,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~int~TO~int [2019-10-07 10:30:47,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2019-10-07 10:30:47,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2019-10-07 10:30:47,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2019-10-07 10:30:47,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_for_read_section [2019-10-07 10:30:47,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_create_class [2019-10-07 10:30:47,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_class [2019-10-07 10:30:47,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_macro [2019-10-07 10:30:47,489 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2019-10-07 10:30:47,489 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2019-10-07 10:30:47,489 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2019-10-07 10:30:47,489 INFO L138 BoogieDeclarations]: Found implementation of procedure __swab16p [2019-10-07 10:30:47,489 INFO L138 BoogieDeclarations]: Found implementation of procedure __be16_to_cpup [2019-10-07 10:30:47,489 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-10-07 10:30:47,489 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2019-10-07 10:30:47,490 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2019-10-07 10:30:47,490 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move [2019-10-07 10:30:47,490 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2019-10-07 10:30:47,490 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2019-10-07 10:30:47,490 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2019-10-07 10:30:47,490 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2019-10-07 10:30:47,490 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2019-10-07 10:30:47,491 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic64_read [2019-10-07 10:30:47,491 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_long_read [2019-10-07 10:30:47,491 INFO L138 BoogieDeclarations]: Found implementation of procedure test_ti_thread_flag [2019-10-07 10:30:47,491 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-10-07 10:30:47,492 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2019-10-07 10:30:47,492 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2019-10-07 10:30:47,492 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2019-10-07 10:30:47,492 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2019-10-07 10:30:47,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_chrdev_76 [2019-10-07 10:30:47,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_chrdev_77 [2019-10-07 10:30:47,493 INFO L138 BoogieDeclarations]: Found implementation of procedure test_tsk_thread_flag [2019-10-07 10:30:47,493 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2019-10-07 10:30:47,493 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2019-10-07 10:30:47,493 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2019-10-07 10:30:47,493 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2019-10-07 10:30:47,493 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2019-10-07 10:30:47,494 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_is_last [2019-10-07 10:30:47,494 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_next [2019-10-07 10:30:47,494 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_cloned [2019-10-07 10:30:47,494 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_unclone [2019-10-07 10:30:47,494 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_header_cloned [2019-10-07 10:30:47,494 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_peek [2019-10-07 10:30:47,494 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2019-10-07 10:30:47,495 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_head_init [2019-10-07 10:30:47,495 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2019-10-07 10:30:47,496 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_insert [2019-10-07 10:30:47,496 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_before [2019-10-07 10:30:47,496 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_unlink [2019-10-07 10:30:47,497 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_nonlinear [2019-10-07 10:30:47,497 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2019-10-07 10:30:47,497 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_pull [2019-10-07 10:30:47,497 INFO L138 BoogieDeclarations]: Found implementation of procedure pskb_may_pull [2019-10-07 10:30:47,497 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2019-10-07 10:30:47,497 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tailroom [2019-10-07 10:30:47,497 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2019-10-07 10:30:47,498 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2019-10-07 10:30:47,498 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2019-10-07 10:30:47,498 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2019-10-07 10:30:47,499 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_cow [2019-10-07 10:30:47,500 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_cow_head [2019-10-07 10:30:47,500 INFO L138 BoogieDeclarations]: Found implementation of procedure hold_net [2019-10-07 10:30:47,500 INFO L138 BoogieDeclarations]: Found implementation of procedure release_net [2019-10-07 10:30:47,500 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2019-10-07 10:30:47,500 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_net_set [2019-10-07 10:30:47,501 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2019-10-07 10:30:47,501 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2019-10-07 10:30:47,502 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2019-10-07 10:30:47,502 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2019-10-07 10:30:47,502 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_keep_dst [2019-10-07 10:30:47,502 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_wait [2019-10-07 10:30:47,503 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_be16 [2019-10-07 10:30:47,503 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_be16 [2019-10-07 10:30:47,503 INFO L138 BoogieDeclarations]: Found implementation of procedure net_generic [2019-10-07 10:30:47,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_pernet [2019-10-07 10:30:47,505 INFO L138 BoogieDeclarations]: Found implementation of procedure proto_to_npindex [2019-10-07 10:30:47,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ethertype_to_npindex [2019-10-07 10:30:47,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_open [2019-10-07 10:30:47,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_release [2019-10-07 10:30:47,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_read [2019-10-07 10:30:47,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_write [2019-10-07 10:30:47,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_poll [2019-10-07 10:30:47,506 INFO L138 BoogieDeclarations]: Found implementation of procedure get_filter [2019-10-07 10:30:47,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ioctl [2019-10-07 10:30:47,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_unattached_ioctl [2019-10-07 10:30:47,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_init_net [2019-10-07 10:30:47,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_exit_net [2019-10-07 10:30:47,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_init [2019-10-07 10:30:47,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_start_xmit [2019-10-07 10:30:47,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_net_ioctl [2019-10-07 10:30:47,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_get_stats64 [2019-10-07 10:30:47,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_dev_init [2019-10-07 10:30:47,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_setup [2019-10-07 10:30:47,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_xmit_process [2019-10-07 10:30:47,507 INFO L138 BoogieDeclarations]: Found implementation of procedure pad_compress_skb [2019-10-07 10:30:47,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_send_frame [2019-10-07 10:30:47,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_push [2019-10-07 10:30:47,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_mp_explode [2019-10-07 10:30:47,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_channel_push [2019-10-07 10:30:47,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_do_recv [2019-10-07 10:30:47,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_input [2019-10-07 10:30:47,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_input_error [2019-10-07 10:30:47,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_receive_frame [2019-10-07 10:30:47,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_receive_error [2019-10-07 10:30:47,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_receive_nonmp_frame [2019-10-07 10:30:47,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_decompress_frame [2019-10-07 10:30:47,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_receive_mp_frame [2019-10-07 10:30:47,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_mp_insert [2019-10-07 10:30:47,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_mp_reconstruct [2019-10-07 10:30:47,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_register_channel [2019-10-07 10:30:47,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_register_net_channel [2019-10-07 10:30:47,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_channel_index [2019-10-07 10:30:47,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_unit_number [2019-10-07 10:30:47,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_dev_name [2019-10-07 10:30:47,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_unregister_channel [2019-10-07 10:30:47,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_output_wakeup [2019-10-07 10:30:47,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_set_compress [2019-10-07 10:30:47,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ccp_peek [2019-10-07 10:30:47,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ccp_closed [2019-10-07 10:30:47,514 INFO L138 BoogieDeclarations]: Found implementation of procedure find_comp_entry [2019-10-07 10:30:47,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_register_compressor [2019-10-07 10:30:47,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_unregister_compressor [2019-10-07 10:30:47,520 INFO L138 BoogieDeclarations]: Found implementation of procedure find_compressor [2019-10-07 10:30:47,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_get_stats [2019-10-07 10:30:47,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_create_interface [2019-10-07 10:30:47,521 INFO L138 BoogieDeclarations]: Found implementation of procedure init_ppp_file [2019-10-07 10:30:47,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_shutdown_interface [2019-10-07 10:30:47,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_destroy_interface [2019-10-07 10:30:47,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_find_unit [2019-10-07 10:30:47,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_find_channel [2019-10-07 10:30:47,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_connect_channel [2019-10-07 10:30:47,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_disconnect_channel [2019-10-07 10:30:47,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_destroy_channel [2019-10-07 10:30:47,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_cleanup [2019-10-07 10:30:47,528 INFO L138 BoogieDeclarations]: Found implementation of procedure unit_set [2019-10-07 10:30:47,528 INFO L138 BoogieDeclarations]: Found implementation of procedure unit_get [2019-10-07 10:30:47,529 INFO L138 BoogieDeclarations]: Found implementation of procedure unit_put [2019-10-07 10:30:47,529 INFO L138 BoogieDeclarations]: Found implementation of procedure unit_find [2019-10-07 10:30:47,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_ppp_cleanup_9_2 [2019-10-07 10:30:47,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_init_ppp_init_9_9 [2019-10-07 10:30:47,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_netdev_mqs [2019-10-07 10:30:47,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_netdev_mqs_setup_3_3 [2019-10-07 10:30:47,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_deregister_6_1 [2019-10-07 10:30:47,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_deregister_7_1 [2019-10-07 10:30:47,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_deregister_dummy_resourceless_instance_9_9_4 [2019-10-07 10:30:47,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_5_4 [2019-10-07 10:30:47,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_8_2 [2019-10-07 10:30:47,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_dummy_resourceless_instance_9_9_5 [2019-10-07 10:30:47,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_10 [2019-10-07 10:30:47,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_11 [2019-10-07 10:30:47,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_3 [2019-10-07 10:30:47,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_9 [2019-10-07 10:30:47,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_2_3 [2019-10-07 10:30:47,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_2_7 [2019-10-07 10:30:47,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_entry_EMGentry_9 [2019-10-07 10:30:47,531 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 10:30:47,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_file_operations_instance_0 [2019-10-07 10:30:47,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_instance_callback_0_22 [2019-10-07 10:30:47,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_instance_callback_0_23 [2019-10-07 10:30:47,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_instance_callback_0_26 [2019-10-07 10:30:47,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_instance_callback_0_5 [2019-10-07 10:30:47,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_instance_probe_0_12 [2019-10-07 10:30:47,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_instance_release_0_2 [2019-10-07 10:30:47,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_instance_write_0_4 [2019-10-07 10:30:47,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2019-10-07 10:30:47,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_net_dummy_resourceless_instance_1 [2019-10-07 10:30:47,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_chrdev [2019-10-07 10:30:47,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev [2019-10-07 10:30:47,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_open_5_6 [2019-10-07 10:30:47,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_struct_pernet_operations_dummy_resourceless_instance_2 [2019-10-07 10:30:47,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_chrdev [2019-10-07 10:30:47,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2019-10-07 10:30:47,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_stop_7_2 [2019-10-07 10:30:47,533 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2019-10-07 10:30:47,533 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2019-10-07 10:30:47,533 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2019-10-07 10:30:47,533 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2019-10-07 10:30:47,533 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2019-10-07 10:30:47,534 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2019-10-07 10:30:47,534 INFO L138 BoogieDeclarations]: Found implementation of procedure register_chrdev [2019-10-07 10:30:47,534 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev [2019-10-07 10:30:47,534 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-07 10:30:47,534 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-10-07 10:30:47,534 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2019-10-07 10:30:47,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_98 [2019-10-07 10:30:47,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_103 [2019-10-07 10:30:47,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_106 [2019-10-07 10:30:47,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_126 [2019-10-07 10:30:47,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_127 [2019-10-07 10:30:47,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_128 [2019-10-07 10:30:47,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_129 [2019-10-07 10:30:47,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_130 [2019-10-07 10:30:47,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_131 [2019-10-07 10:30:47,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_132 [2019-10-07 10:30:47,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_133 [2019-10-07 10:30:47,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_134 [2019-10-07 10:30:47,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_149 [2019-10-07 10:30:47,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_150 [2019-10-07 10:30:47,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_151 [2019-10-07 10:30:47,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_152 [2019-10-07 10:30:47,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_153 [2019-10-07 10:30:47,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_154 [2019-10-07 10:30:47,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_155 [2019-10-07 10:30:47,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_idr_init_156 [2019-10-07 10:30:47,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_idr_destroy_157 [2019-10-07 10:30:47,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_chrdev_158 [2019-10-07 10:30:47,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_chrdev_159 [2019-10-07 10:30:47,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_166 [2019-10-07 10:30:47,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_167 [2019-10-07 10:30:47,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_185 [2019-10-07 10:30:47,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_186 [2019-10-07 10:30:47,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_189 [2019-10-07 10:30:47,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_190 [2019-10-07 10:30:47,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_195 [2019-10-07 10:30:47,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_196 [2019-10-07 10:30:47,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_197 [2019-10-07 10:30:47,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_198 [2019-10-07 10:30:47,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get_202 [2019-10-07 10:30:47,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_netdev_mqs_204 [2019-10-07 10:30:47,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_205 [2019-10-07 10:30:47,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_206 [2019-10-07 10:30:47,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_207 [2019-10-07 10:30:47,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_208 [2019-10-07 10:30:47,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_209 [2019-10-07 10:30:47,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_210 [2019-10-07 10:30:47,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_215 [2019-10-07 10:30:47,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_218 [2019-10-07 10:30:47,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_219 [2019-10-07 10:30:47,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_220 [2019-10-07 10:30:47,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_225 [2019-10-07 10:30:47,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_class_destroy_231 [2019-10-07 10:30:47,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_idr_alloc_232 [2019-10-07 10:30:47,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_idr_alloc_233 [2019-10-07 10:30:47,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_idr_remove_234 [2019-10-07 10:30:47,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_idr_find_235 [2019-10-07 10:30:47,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ldv_post_init_236 [2019-10-07 10:30:47,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ldv_check_final_state_237 [2019-10-07 10:30:47,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ldv_check_final_state_238 [2019-10-07 10:30:47,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ldv_initialize_239 [2019-10-07 10:30:47,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_alloc_irq_check_alloc_flags [2019-10-07 10:30:47,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_alloc_irq_check_alloc_nonatomic [2019-10-07 10:30:47,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_alloc_spinlock_check_alloc_flags [2019-10-07 10:30:47,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_alloc_spinlock_check_alloc_nonatomic [2019-10-07 10:30:47,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_alloc_usb_lock_check_alloc_flags [2019-10-07 10:30:47,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_alloc_usb_lock_check_alloc_nonatomic [2019-10-07 10:30:47,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_alloc_usb_lock_usb_lock_device [2019-10-07 10:30:47,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_alloc_usb_lock_usb_trylock_device [2019-10-07 10:30:47,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_alloc_usb_lock_usb_lock_device_for_reset [2019-10-07 10:30:47,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_alloc_usb_lock_usb_unlock_device [2019-10-07 10:30:47,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_dev_atomic_add [2019-10-07 10:30:47,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_dev_atomic_sub [2019-10-07 10:30:47,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_dev_atomic_sub_and_test [2019-10-07 10:30:47,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_dev_atomic_inc [2019-10-07 10:30:47,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_dev_atomic_dec [2019-10-07 10:30:47,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_dev_atomic_dec_and_test [2019-10-07 10:30:47,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_dev_atomic_inc_and_test [2019-10-07 10:30:47,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_dev_atomic_add_return [2019-10-07 10:30:47,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_dev_atomic_add_negative [2019-10-07 10:30:47,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_dev_atomic_inc_short [2019-10-07 10:30:47,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_io_mem_remap [2019-10-07 10:30:47,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_io_mem_unmap [2019-10-07 10:30:47,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2019-10-07 10:30:47,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_alloc_disk [2019-10-07 10:30:47,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_add_disk [2019-10-07 10:30:47,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_del_gendisk [2019-10-07 10:30:47,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_put_disk [2019-10-07 10:30:47,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2019-10-07 10:30:47,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_request_queue [2019-10-07 10:30:47,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_blk_cleanup_queue [2019-10-07 10:30:47,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2019-10-07 10:30:47,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_blk_get_request [2019-10-07 10:30:47,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_blk_make_request [2019-10-07 10:30:47,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_put_blk_rq [2019-10-07 10:30:47,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2019-10-07 10:30:47,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_create_class [2019-10-07 10:30:47,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_register_class [2019-10-07 10:30:47,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_unregister_class [2019-10-07 10:30:47,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_destroy_class [2019-10-07 10:30:47,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2019-10-07 10:30:47,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-10-07 10:30:47,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-10-07 10:30:47,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spi_alloc_master [2019-10-07 10:30:47,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-07 10:30:47,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-10-07 10:30:47,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-10-07 10:30:47,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-10-07 10:30:47,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_register_chrdev [2019-10-07 10:30:47,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_register_chrdev_region [2019-10-07 10:30:47,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_unregister_chrdev_region [2019-10-07 10:30:47,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2019-10-07 10:30:47,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_sysfs_create_group [2019-10-07 10:30:47,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_sysfs_remove_group [2019-10-07 10:30:47,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2019-10-07 10:30:47,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_read_lock [2019-10-07 10:30:47,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_read_unlock [2019-10-07 10:30:47,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_write_lock [2019-10-07 10:30:47,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_write_unlock [2019-10-07 10:30:47,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_read_trylock [2019-10-07 10:30:47,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_write_trylock [2019-10-07 10:30:47,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2019-10-07 10:30:47,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_module_get [2019-10-07 10:30:47,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_try_module_get [2019-10-07 10:30:47,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_module_put [2019-10-07 10:30:47,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_module_put_and_exit [2019-10-07 10:30:47,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_module_refcount [2019-10-07 10:30:47,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2019-10-07 10:30:47,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_srcu_read_lock [2019-10-07 10:30:47,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_srcu_read_unlock [2019-10-07 10:30:47,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_for_read_section [2019-10-07 10:30:47,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2019-10-07 10:30:47,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_rcu_read_lock_bh [2019-10-07 10:30:47,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_rcu_read_unlock_bh [2019-10-07 10:30:47,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_for_read_section [2019-10-07 10:30:47,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2019-10-07 10:30:47,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_rcu_read_lock_sched [2019-10-07 10:30:47,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_rcu_read_unlock_sched [2019-10-07 10:30:47,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_for_read_section [2019-10-07 10:30:47,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2019-10-07 10:30:47,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_rcu_read_lock [2019-10-07 10:30:47,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_rcu_read_unlock [2019-10-07 10:30:47,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_for_read_section [2019-10-07 10:30:47,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2019-10-07 10:30:47,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2019-10-07 10:30:47,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_init [2019-10-07 10:30:47,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2019-10-07 10:30:47,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2019-10-07 10:30:47,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2019-10-07 10:30:47,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2019-10-07 10:30:47,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2019-10-07 10:30:47,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_find_bit_find_next_bit [2019-10-07 10:30:47,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_find_bit_find_first_bit [2019-10-07 10:30:47,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_find_bit_initialize [2019-10-07 10:30:47,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kzalloc [2019-10-07 10:30:47,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_context [2019-10-07 10:30:47,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_sdio_claim_host [2019-10-07 10:30:47,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_sdio_release_host [2019-10-07 10:30:47,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2019-10-07 10:30:47,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_register_netdev [2019-10-07 10:30:47,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2019-10-07 10:30:47,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_check_return_value_probe [2019-10-07 10:30:47,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_past_rtnl_unlock [2019-10-07 10:30:47,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_past_rtnl_lock [2019-10-07 10:30:47,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_before_ieee80211_unregister_hw [2019-10-07 10:30:47,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_rtnl_is_locked [2019-10-07 10:30:47,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_rtnl_trylock [2019-10-07 10:30:47,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2019-10-07 10:30:47,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_past_lock_sock_nested [2019-10-07 10:30:47,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_lock_sock_fast [2019-10-07 10:30:47,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_unlock_sock_fast [2019-10-07 10:30:47,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_before_release_sock [2019-10-07 10:30:47,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2019-10-07 10:30:47,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_usb_alloc_coherent [2019-10-07 10:30:47,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_usb_free_coherent [2019-10-07 10:30:47,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2019-10-07 10:30:47,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_dev_usb_get_dev [2019-10-07 10:30:47,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_dev_usb_put_dev [2019-10-07 10:30:47,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_dev_check_return_value_probe [2019-10-07 10:30:47,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_dev_initialize [2019-10-07 10:30:47,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_dev_check_final_state [2019-10-07 10:30:47,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_create_class [2019-10-07 10:30:47,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_register_class [2019-10-07 10:30:47,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_unregister_class [2019-10-07 10:30:47,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_destroy_class [2019-10-07 10:30:47,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_register_chrdev [2019-10-07 10:30:47,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_register_chrdev_region [2019-10-07 10:30:47,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_unregister_chrdev_region [2019-10-07 10:30:47,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_register_usb_gadget [2019-10-07 10:30:47,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_unregister_usb_gadget [2019-10-07 10:30:47,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2019-10-07 10:30:47,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_usb_register_driver [2019-10-07 10:30:47,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2019-10-07 10:30:47,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_check_return_value_probe [2019-10-07 10:30:47,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_usb_alloc_urb [2019-10-07 10:30:47,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_usb_free_urb [2019-10-07 10:30:47,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2019-10-07 10:30:47,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2019-10-07 10:30:47,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-07 10:30:47,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-07 10:30:47,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-10-07 10:30:47,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-07 10:30:47,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc [2019-10-07 10:30:47,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-07 10:30:47,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2019-10-07 10:30:47,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2019-10-07 10:30:47,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xzalloc [2019-10-07 10:30:47,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc_unknown_size [2019-10-07 10:30:47,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc_unknown_size [2019-10-07 10:30:47,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc_unknown_size [2019-10-07 10:30:47,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc_unknown_size [2019-10-07 10:30:47,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-07 10:30:47,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-07 10:30:47,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-07 10:30:47,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_negative [2019-10-07 10:30:47,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_nonpositive [2019-10-07 10:30:47,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_create [2019-10-07 10:30:47,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_create_N [2019-10-07 10:30:47,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_join [2019-10-07 10:30:47,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_join_N [2019-10-07 10:30:47,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_all_ppp_mutex_of_ppp_net [2019-10-07 10:30:47,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_interruptible_or_killable_all_ppp_mutex_of_ppp_net [2019-10-07 10:30:47,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_is_locked_all_ppp_mutex_of_ppp_net [2019-10-07 10:30:47,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_trylock_all_ppp_mutex_of_ppp_net [2019-10-07 10:30:47,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_atomic_dec_and_mutex_lock_all_ppp_mutex_of_ppp_net [2019-10-07 10:30:47,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_all_ppp_mutex_of_ppp_net [2019-10-07 10:30:47,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_i_mutex_of_inode [2019-10-07 10:30:47,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_interruptible_or_killable_i_mutex_of_inode [2019-10-07 10:30:47,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_is_locked_i_mutex_of_inode [2019-10-07 10:30:47,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_trylock_i_mutex_of_inode [2019-10-07 10:30:47,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_atomic_dec_and_mutex_lock_i_mutex_of_inode [2019-10-07 10:30:47,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_i_mutex_of_inode [2019-10-07 10:30:47,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_lock [2019-10-07 10:30:47,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_interruptible_or_killable_lock [2019-10-07 10:30:47,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_is_locked_lock [2019-10-07 10:30:47,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_trylock_lock [2019-10-07 10:30:47,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_atomic_dec_and_mutex_lock_lock [2019-10-07 10:30:47,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_lock [2019-10-07 10:30:47,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_mutex_of_device [2019-10-07 10:30:47,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_interruptible_or_killable_mutex_of_device [2019-10-07 10:30:47,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_is_locked_mutex_of_device [2019-10-07 10:30:47,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_trylock_mutex_of_device [2019-10-07 10:30:47,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_atomic_dec_and_mutex_lock_mutex_of_device [2019-10-07 10:30:47,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_mutex_of_device [2019-10-07 10:30:47,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_ppp_mutex [2019-10-07 10:30:47,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_interruptible_or_killable_ppp_mutex [2019-10-07 10:30:47,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_is_locked_ppp_mutex [2019-10-07 10:30:47,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_trylock_ppp_mutex [2019-10-07 10:30:47,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_atomic_dec_and_mutex_lock_ppp_mutex [2019-10-07 10:30:47,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_ppp_mutex [2019-10-07 10:30:47,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_initialize [2019-10-07 10:30:47,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_check_final_state [2019-10-07 10:30:47,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock__xmit_lock_of_netdev_queue [2019-10-07 10:30:47,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock__xmit_lock_of_netdev_queue [2019-10-07 10:30:47,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_trylock__xmit_lock_of_netdev_queue [2019-10-07 10:30:47,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_wait__xmit_lock_of_netdev_queue [2019-10-07 10:30:47,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_is_locked__xmit_lock_of_netdev_queue [2019-10-07 10:30:47,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_can_lock__xmit_lock_of_netdev_queue [2019-10-07 10:30:47,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_is_contended__xmit_lock_of_netdev_queue [2019-10-07 10:30:47,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_atomic_dec_and_lock__xmit_lock_of_netdev_queue [2019-10-07 10:30:47,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_addr_list_lock_of_net_device [2019-10-07 10:30:47,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_addr_list_lock_of_net_device [2019-10-07 10:30:47,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_trylock_addr_list_lock_of_net_device [2019-10-07 10:30:47,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_wait_addr_list_lock_of_net_device [2019-10-07 10:30:47,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_is_locked_addr_list_lock_of_net_device [2019-10-07 10:30:47,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_can_lock_addr_list_lock_of_net_device [2019-10-07 10:30:47,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_is_contended_addr_list_lock_of_net_device [2019-10-07 10:30:47,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_atomic_dec_and_lock_addr_list_lock_of_net_device [2019-10-07 10:30:47,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_all_channels_lock_of_ppp_net [2019-10-07 10:30:47,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_all_channels_lock_of_ppp_net [2019-10-07 10:30:47,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_trylock_all_channels_lock_of_ppp_net [2019-10-07 10:30:47,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_wait_all_channels_lock_of_ppp_net [2019-10-07 10:30:47,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_is_locked_all_channels_lock_of_ppp_net [2019-10-07 10:30:47,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_can_lock_all_channels_lock_of_ppp_net [2019-10-07 10:30:47,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_is_contended_all_channels_lock_of_ppp_net [2019-10-07 10:30:47,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_atomic_dec_and_lock_all_channels_lock_of_ppp_net [2019-10-07 10:30:47,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_alloc_lock_of_task_struct [2019-10-07 10:30:47,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_alloc_lock_of_task_struct [2019-10-07 10:30:47,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_trylock_alloc_lock_of_task_struct [2019-10-07 10:30:47,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_wait_alloc_lock_of_task_struct [2019-10-07 10:30:47,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_is_locked_alloc_lock_of_task_struct [2019-10-07 10:30:47,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_can_lock_alloc_lock_of_task_struct [2019-10-07 10:30:47,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_is_contended_alloc_lock_of_task_struct [2019-10-07 10:30:47,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_atomic_dec_and_lock_alloc_lock_of_task_struct [2019-10-07 10:30:47,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_compressor_list_lock [2019-10-07 10:30:47,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_compressor_list_lock [2019-10-07 10:30:47,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_trylock_compressor_list_lock [2019-10-07 10:30:47,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_wait_compressor_list_lock [2019-10-07 10:30:47,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_is_locked_compressor_list_lock [2019-10-07 10:30:47,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_can_lock_compressor_list_lock [2019-10-07 10:30:47,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_is_contended_compressor_list_lock [2019-10-07 10:30:47,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_atomic_dec_and_lock_compressor_list_lock [2019-10-07 10:30:47,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_downl_of_channel [2019-10-07 10:30:47,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_downl_of_channel [2019-10-07 10:30:47,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_trylock_downl_of_channel [2019-10-07 10:30:47,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_wait_downl_of_channel [2019-10-07 10:30:47,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_is_locked_downl_of_channel [2019-10-07 10:30:47,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_can_lock_downl_of_channel [2019-10-07 10:30:47,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_is_contended_downl_of_channel [2019-10-07 10:30:47,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_atomic_dec_and_lock_downl_of_channel [2019-10-07 10:30:47,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_i_lock_of_inode [2019-10-07 10:30:47,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_i_lock_of_inode [2019-10-07 10:30:47,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_trylock_i_lock_of_inode [2019-10-07 10:30:47,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_wait_i_lock_of_inode [2019-10-07 10:30:47,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_is_locked_i_lock_of_inode [2019-10-07 10:30:47,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_can_lock_i_lock_of_inode [2019-10-07 10:30:47,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_is_contended_i_lock_of_inode [2019-10-07 10:30:47,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_atomic_dec_and_lock_i_lock_of_inode [2019-10-07 10:30:47,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock [2019-10-07 10:30:47,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_lock [2019-10-07 10:30:47,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_trylock_lock [2019-10-07 10:30:47,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_wait_lock [2019-10-07 10:30:47,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_is_locked_lock [2019-10-07 10:30:47,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_can_lock_lock [2019-10-07 10:30:47,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_is_contended_lock [2019-10-07 10:30:47,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_atomic_dec_and_lock_lock [2019-10-07 10:30:47,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_NOT_ARG_SIGN [2019-10-07 10:30:47,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_lock_of_NOT_ARG_SIGN [2019-10-07 10:30:47,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_trylock_lock_of_NOT_ARG_SIGN [2019-10-07 10:30:47,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_wait_lock_of_NOT_ARG_SIGN [2019-10-07 10:30:47,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_is_locked_lock_of_NOT_ARG_SIGN [2019-10-07 10:30:47,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_can_lock_lock_of_NOT_ARG_SIGN [2019-10-07 10:30:47,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_is_contended_lock_of_NOT_ARG_SIGN [2019-10-07 10:30:47,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_atomic_dec_and_lock_lock_of_NOT_ARG_SIGN [2019-10-07 10:30:47,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_node_size_lock_of_pglist_data [2019-10-07 10:30:47,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_node_size_lock_of_pglist_data [2019-10-07 10:30:47,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_trylock_node_size_lock_of_pglist_data [2019-10-07 10:30:47,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_wait_node_size_lock_of_pglist_data [2019-10-07 10:30:47,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_is_locked_node_size_lock_of_pglist_data [2019-10-07 10:30:47,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_can_lock_node_size_lock_of_pglist_data [2019-10-07 10:30:47,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_is_contended_node_size_lock_of_pglist_data [2019-10-07 10:30:47,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_atomic_dec_and_lock_node_size_lock_of_pglist_data [2019-10-07 10:30:47,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_ptl [2019-10-07 10:30:47,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_ptl [2019-10-07 10:30:47,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_trylock_ptl [2019-10-07 10:30:47,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_wait_ptl [2019-10-07 10:30:47,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_is_locked_ptl [2019-10-07 10:30:47,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_can_lock_ptl [2019-10-07 10:30:47,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_is_contended_ptl [2019-10-07 10:30:47,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_atomic_dec_and_lock_ptl [2019-10-07 10:30:47,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_rlock_of_ppp [2019-10-07 10:30:47,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_rlock_of_ppp [2019-10-07 10:30:47,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_trylock_rlock_of_ppp [2019-10-07 10:30:47,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_wait_rlock_of_ppp [2019-10-07 10:30:47,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_is_locked_rlock_of_ppp [2019-10-07 10:30:47,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_can_lock_rlock_of_ppp [2019-10-07 10:30:47,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_is_contended_rlock_of_ppp [2019-10-07 10:30:47,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_atomic_dec_and_lock_rlock_of_ppp [2019-10-07 10:30:47,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_siglock_of_sighand_struct [2019-10-07 10:30:47,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_siglock_of_sighand_struct [2019-10-07 10:30:47,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_trylock_siglock_of_sighand_struct [2019-10-07 10:30:47,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_wait_siglock_of_sighand_struct [2019-10-07 10:30:47,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_is_locked_siglock_of_sighand_struct [2019-10-07 10:30:47,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_can_lock_siglock_of_sighand_struct [2019-10-07 10:30:47,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_is_contended_siglock_of_sighand_struct [2019-10-07 10:30:47,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_atomic_dec_and_lock_siglock_of_sighand_struct [2019-10-07 10:30:47,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_slock_of_NOT_ARG_SIGN [2019-10-07 10:30:47,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_slock_of_NOT_ARG_SIGN [2019-10-07 10:30:47,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_trylock_slock_of_NOT_ARG_SIGN [2019-10-07 10:30:47,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_wait_slock_of_NOT_ARG_SIGN [2019-10-07 10:30:47,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_is_locked_slock_of_NOT_ARG_SIGN [2019-10-07 10:30:47,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_can_lock_slock_of_NOT_ARG_SIGN [2019-10-07 10:30:47,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_is_contended_slock_of_NOT_ARG_SIGN [2019-10-07 10:30:47,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_atomic_dec_and_lock_slock_of_NOT_ARG_SIGN [2019-10-07 10:30:47,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_tx_global_lock_of_net_device [2019-10-07 10:30:47,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_tx_global_lock_of_net_device [2019-10-07 10:30:47,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_trylock_tx_global_lock_of_net_device [2019-10-07 10:30:47,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_wait_tx_global_lock_of_net_device [2019-10-07 10:30:47,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_is_locked_tx_global_lock_of_net_device [2019-10-07 10:30:47,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_can_lock_tx_global_lock_of_net_device [2019-10-07 10:30:47,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_is_contended_tx_global_lock_of_net_device [2019-10-07 10:30:47,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_atomic_dec_and_lock_tx_global_lock_of_net_device [2019-10-07 10:30:47,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_wlock_of_ppp [2019-10-07 10:30:47,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_wlock_of_ppp [2019-10-07 10:30:47,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_trylock_wlock_of_ppp [2019-10-07 10:30:47,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_wait_wlock_of_ppp [2019-10-07 10:30:47,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_is_locked_wlock_of_ppp [2019-10-07 10:30:47,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_can_lock_wlock_of_ppp [2019-10-07 10:30:47,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_is_contended_wlock_of_ppp [2019-10-07 10:30:47,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_atomic_dec_and_lock_wlock_of_ppp [2019-10-07 10:30:47,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_check_final_state [2019-10-07 10:30:47,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2019-10-07 10:30:47,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_sched_completion_init_completion [2019-10-07 10:30:47,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_sched_completion_init_completion_macro [2019-10-07 10:30:47,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_sched_completion_wait_for_completion [2019-10-07 10:30:47,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_idr_init_p [2019-10-07 10:30:47,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_idr_alloc_p [2019-10-07 10:30:47,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_idr_find_p [2019-10-07 10:30:47,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_idr_remove_p [2019-10-07 10:30:47,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_idr_destroy_p [2019-10-07 10:30:47,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_idr_init_units_idr_of_ppp_net [2019-10-07 10:30:47,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_idr_alloc_units_idr_of_ppp_net [2019-10-07 10:30:47,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_idr_find_units_idr_of_ppp_net [2019-10-07 10:30:47,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_idr_remove_units_idr_of_ppp_net [2019-10-07 10:30:47,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_idr_destroy_units_idr_of_ppp_net [2019-10-07 10:30:47,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2019-10-07 10:30:47,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_net_rtnetlink__double_lock [2019-10-07 10:30:47,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_net_rtnetlink__lock_on_exit [2019-10-07 10:30:47,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_net_rtnetlink__double_unlock [2019-10-07 10:30:47,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_rwlock__read_lock_on_write_lock [2019-10-07 10:30:47,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_rwlock__more_read_unlocks [2019-10-07 10:30:47,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_rwlock__read_lock_at_exit [2019-10-07 10:30:47,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_rwlock__double_write_lock [2019-10-07 10:30:47,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_rwlock__double_write_unlock [2019-10-07 10:30:47,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_rwlock__write_lock_at_exit [2019-10-07 10:30:47,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_lib_idr__double_init [2019-10-07 10:30:47,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_lib_idr__not_initialized [2019-10-07 10:30:47,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_lib_idr__destroyed_before_usage [2019-10-07 10:30:47,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_lib_idr__more_at_exit [2019-10-07 10:30:47,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_sched_completion__double_init [2019-10-07 10:30:47,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_sched_completion__wait_without_init [2019-10-07 10:30:47,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_net_register__wrong_return_value [2019-10-07 10:30:47,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_fs_char_dev__double_registration [2019-10-07 10:30:47,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_fs_char_dev__double_deregistration [2019-10-07 10:30:47,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_fs_char_dev__registered_at_exit [2019-10-07 10:30:47,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_rcu_srcu__more_unlocks [2019-10-07 10:30:47,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_rcu_srcu__locked_at_read_section [2019-10-07 10:30:47,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_rcu_srcu__locked_at_exit [2019-10-07 10:30:47,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_module__less_initial_decrement [2019-10-07 10:30:47,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_module__more_initial_at_exit [2019-10-07 10:30:47,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_alloc_spinlock__wrong_flags [2019-10-07 10:30:47,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_alloc_spinlock__nonatomic [2019-10-07 10:30:47,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_lib_find_bit__offset_out_of_range [2019-10-07 10:30:47,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_mmc_sdio_func__wrong_params [2019-10-07 10:30:47,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_mmc_sdio_func__double_claim [2019-10-07 10:30:47,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_mmc_sdio_func__release_without_claim [2019-10-07 10:30:47,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_mmc_sdio_func__unreleased_at_exit [2019-10-07 10:30:47,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_usb_coherent__less_initial_decrement [2019-10-07 10:30:47,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_usb_coherent__more_initial_at_exit [2019-10-07 10:30:47,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_rcu_update_lock__more_unlocks [2019-10-07 10:30:47,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_rcu_update_lock__locked_at_read_section [2019-10-07 10:30:47,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_rcu_update_lock__locked_at_exit [2019-10-07 10:30:47,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_net_sock__all_locked_sockets_must_be_released [2019-10-07 10:30:47,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_net_sock__double_release [2019-10-07 10:30:47,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_rcu_update_lock_bh__more_unlocks [2019-10-07 10:30:47,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_rcu_update_lock_bh__locked_at_read_section [2019-10-07 10:30:47,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_rcu_update_lock_bh__locked_at_exit [2019-10-07 10:30:47,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_usb_dev__unincremented_counter_decrement [2019-10-07 10:30:47,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_usb_dev__less_initial_decrement [2019-10-07 10:30:47,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_usb_dev__more_initial_at_exit [2019-10-07 10:30:47,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_usb_dev__probe_failed [2019-10-07 10:30:47,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2019-10-07 10:30:47,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock_try [2019-10-07 10:30:47,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2019-10-07 10:30:47,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2019-10-07 10:30:47,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_usb_gadget__class_registration_with_usb_gadget [2019-10-07 10:30:47,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_usb_gadget__class_deregistration_with_usb_gadget [2019-10-07 10:30:47,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_usb_gadget__chrdev_registration_with_usb_gadget [2019-10-07 10:30:47,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_usb_gadget__chrdev_deregistration_with_usb_gadget [2019-10-07 10:30:47,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_usb_gadget__double_usb_gadget_registration [2019-10-07 10:30:47,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_usb_gadget__double_usb_gadget_deregistration [2019-10-07 10:30:47,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_usb_gadget__usb_gadget_registered_at_exit [2019-10-07 10:30:47,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_alloc_usb_lock__wrong_flags [2019-10-07 10:30:47,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_alloc_usb_lock__nonatomic [2019-10-07 10:30:47,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_block_request__double_get [2019-10-07 10:30:47,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_block_request__double_put [2019-10-07 10:30:47,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_block_request__get_at_exit [2019-10-07 10:30:47,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_alloc_irq__wrong_flags [2019-10-07 10:30:47,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_alloc_irq__nonatomic [2019-10-07 10:30:47,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_drivers_base_class__double_registration [2019-10-07 10:30:47,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_drivers_base_class__double_deregistration [2019-10-07 10:30:47,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_drivers_base_class__registered_at_exit [2019-10-07 10:30:47,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_block_queue__double_allocation [2019-10-07 10:30:47,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_block_queue__use_before_allocation [2019-10-07 10:30:47,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_block_queue__more_initial_at_exit [2019-10-07 10:30:47,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_block_genhd__double_allocation [2019-10-07 10:30:47,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_block_genhd__use_before_allocation [2019-10-07 10:30:47,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_block_genhd__delete_before_add [2019-10-07 10:30:47,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_block_genhd__free_before_allocation [2019-10-07 10:30:47,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_block_genhd__more_initial_at_exit [2019-10-07 10:30:47,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_arch_io__less_initial_decrement [2019-10-07 10:30:47,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_arch_io__more_initial_at_exit [2019-10-07 10:30:47,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_usb_register__wrong_return_value [2019-10-07 10:30:47,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_fs_sysfs__less_initial_decrement [2019-10-07 10:30:47,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_fs_sysfs__more_initial_at_exit [2019-10-07 10:30:47,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2019-10-07 10:30:47,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2019-10-07 10:30:47,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2019-10-07 10:30:47,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2019-10-07 10:30:47,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_usb_urb__less_initial_decrement [2019-10-07 10:30:47,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_usb_urb__more_initial_at_exit [2019-10-07 10:30:47,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_rcu_update_lock_sched__more_unlocks [2019-10-07 10:30:47,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_rcu_update_lock_sched__locked_at_read_section [2019-10-07 10:30:47,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_rcu_update_lock_sched__locked_at_exit [2019-10-07 10:30:47,601 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_from_user_overflow [2019-10-07 10:30:47,602 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_to_user_overflow [2019-10-07 10:30:47,602 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_rwsem [2019-10-07 10:30:47,602 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2019-10-07 10:30:47,602 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2019-10-07 10:30:47,602 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2019-10-07 10:30:47,602 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2019-10-07 10:30:47,602 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2019-10-07 10:30:47,602 INFO L138 BoogieDeclarations]: Found implementation of procedure __pskb_pull_tail [2019-10-07 10:30:47,603 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-10-07 10:30:47,603 INFO L138 BoogieDeclarations]: Found implementation of procedure __register_chrdev [2019-10-07 10:30:47,603 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_module [2019-10-07 10:30:47,603 INFO L138 BoogieDeclarations]: Found implementation of procedure __rwlock_init [2019-10-07 10:30:47,603 INFO L138 BoogieDeclarations]: Found implementation of procedure __unregister_chrdev [2019-10-07 10:30:47,603 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2019-10-07 10:30:47,603 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2019-10-07 10:30:47,603 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2019-10-07 10:30:47,603 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2019-10-07 10:30:47,604 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_bh [2019-10-07 10:30:47,604 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2019-10-07 10:30:47,604 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_bh [2019-10-07 10:30:47,604 INFO L138 BoogieDeclarations]: Found implementation of procedure add_wait_queue [2019-10-07 10:30:47,604 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_netdev_mqs [2019-10-07 10:30:47,604 INFO L138 BoogieDeclarations]: Found implementation of procedure bpf_prog_create [2019-10-07 10:30:47,604 INFO L138 BoogieDeclarations]: Found implementation of procedure bpf_prog_destroy [2019-10-07 10:30:47,604 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2019-10-07 10:30:47,604 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2019-10-07 10:30:47,605 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2019-10-07 10:30:47,605 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create [2019-10-07 10:30:47,605 INFO L138 BoogieDeclarations]: Found implementation of procedure device_destroy [2019-10-07 10:30:47,605 INFO L138 BoogieDeclarations]: Found implementation of procedure down_read [2019-10-07 10:30:47,605 INFO L138 BoogieDeclarations]: Found implementation of procedure down_write [2019-10-07 10:30:47,605 INFO L138 BoogieDeclarations]: Found implementation of procedure external_allocated_data [2019-10-07 10:30:47,605 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2019-10-07 10:30:47,605 INFO L138 BoogieDeclarations]: Found implementation of procedure iov_iter_init [2019-10-07 10:30:47,606 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2019-10-07 10:30:47,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2019-10-07 10:30:47,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2019-10-07 10:30:47,606 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2019-10-07 10:30:47,606 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2019-10-07 10:30:47,606 INFO L138 BoogieDeclarations]: Found implementation of procedure memdup_user [2019-10-07 10:30:47,606 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2019-10-07 10:30:47,606 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2019-10-07 10:30:47,607 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2019-10-07 10:30:47,607 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_printk [2019-10-07 10:30:47,607 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2019-10-07 10:30:47,607 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2019-10-07 10:30:47,607 INFO L138 BoogieDeclarations]: Found implementation of procedure noop_llseek [2019-10-07 10:30:47,607 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-07 10:30:47,607 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_held [2019-10-07 10:30:47,607 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2019-10-07 10:30:47,607 INFO L138 BoogieDeclarations]: Found implementation of procedure register_pernet_device [2019-10-07 10:30:47,608 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_wait_queue [2019-10-07 10:30:47,608 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2019-10-07 10:30:47,608 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_bits [2019-10-07 10:30:47,608 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_datagram_iter [2019-10-07 10:30:47,608 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_dequeue [2019-10-07 10:30:47,608 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2019-10-07 10:30:47,608 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull_rcsum [2019-10-07 10:30:47,608 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2019-10-07 10:30:47,609 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2019-10-07 10:30:47,609 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head [2019-10-07 10:30:47,609 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_purge [2019-10-07 10:30:47,609 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2019-10-07 10:30:47,609 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2019-10-07 10:30:47,609 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_compress [2019-10-07 10:30:47,609 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_free [2019-10-07 10:30:47,609 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_init [2019-10-07 10:30:47,610 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_remember [2019-10-07 10:30:47,610 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_toss [2019-10-07 10:30:47,610 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_uncompress [2019-10-07 10:30:47,610 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2019-10-07 10:30:47,610 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_pernet_device [2019-10-07 10:30:47,610 INFO L138 BoogieDeclarations]: Found implementation of procedure up_read [2019-10-07 10:30:47,610 INFO L138 BoogieDeclarations]: Found implementation of procedure up_write [2019-10-07 10:30:47,610 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2019-10-07 10:30:47,610 INFO L138 BoogieDeclarations]: Found implementation of procedure default_wake_function [2019-10-07 10:30:47,611 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-07 10:30:47,611 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-07 10:30:47,611 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-07 10:30:47,611 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-07 10:30:47,611 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-10-07 10:30:47,611 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-07 10:30:47,612 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2019-10-07 10:30:47,612 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-07 10:30:47,612 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_alloc_irq_check_alloc_flags [2019-10-07 10:30:47,612 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_alloc_irq_check_alloc_nonatomic [2019-10-07 10:30:47,612 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_alloc_usb_lock_check_alloc_flags [2019-10-07 10:30:47,612 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_alloc_usb_lock_check_alloc_nonatomic [2019-10-07 10:30:47,612 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2019-10-07 10:30:47,612 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2019-10-07 10:30:47,612 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2019-10-07 10:30:47,613 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2019-10-07 10:30:47,613 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_create_class [2019-10-07 10:30:47,613 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_register_class [2019-10-07 10:30:47,613 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_destroy_class [2019-10-07 10:30:47,613 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2019-10-07 10:30:47,613 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_register_chrdev [2019-10-07 10:30:47,613 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_unregister_chrdev_region [2019-10-07 10:30:47,613 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2019-10-07 10:30:47,614 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2019-10-07 10:30:47,614 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2019-10-07 10:30:47,614 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2019-10-07 10:30:47,614 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_for_read_section [2019-10-07 10:30:47,614 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2019-10-07 10:30:47,614 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_for_read_section [2019-10-07 10:30:47,614 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2019-10-07 10:30:47,614 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_for_read_section [2019-10-07 10:30:47,614 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2019-10-07 10:30:47,615 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_for_read_section [2019-10-07 10:30:47,615 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2019-10-07 10:30:47,615 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_find_bit_initialize [2019-10-07 10:30:47,615 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2019-10-07 10:30:47,615 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2019-10-07 10:30:47,615 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2019-10-07 10:30:47,615 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2019-10-07 10:30:47,615 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2019-10-07 10:30:47,616 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2019-10-07 10:30:47,616 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_create_class [2019-10-07 10:30:47,616 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_register_class [2019-10-07 10:30:47,616 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_destroy_class [2019-10-07 10:30:47,616 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_register_chrdev [2019-10-07 10:30:47,616 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_unregister_chrdev_region [2019-10-07 10:30:47,616 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2019-10-07 10:30:47,616 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2019-10-07 10:30:47,616 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2019-10-07 10:30:47,617 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2019-10-07 10:30:47,617 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2019-10-07 10:30:47,617 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_for_read_section [2019-10-07 10:30:47,617 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_create_class [2019-10-07 10:30:47,617 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_class [2019-10-07 10:30:47,617 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-10-07 10:30:47,617 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kzalloc [2019-10-07 10:30:47,617 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_dev_atomic_inc [2019-10-07 10:30:47,617 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_dev_atomic_dec [2019-10-07 10:30:47,618 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_dev_atomic_dec_and_test [2019-10-07 10:30:47,618 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-07 10:30:47,618 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-07 10:30:47,618 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_idr_alloc_p [2019-10-07 10:30:47,618 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_idr_find_p [2019-10-07 10:30:47,618 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_idr_remove_p [2019-10-07 10:30:47,618 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_idr_init_units_idr_of_ppp_net [2019-10-07 10:30:47,619 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_idr_destroy_units_idr_of_ppp_net [2019-10-07 10:30:47,619 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ldv_initialize_239 [2019-10-07 10:30:47,619 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_init [2019-10-07 10:30:47,619 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ldv_post_init_236 [2019-10-07 10:30:47,619 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2019-10-07 10:30:47,619 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_register_netdev [2019-10-07 10:30:47,619 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ldv_check_final_state_237 [2019-10-07 10:30:47,619 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ldv_check_final_state_238 [2019-10-07 10:30:47,620 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2019-10-07 10:30:47,620 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2019-10-07 10:30:47,620 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc_unknown_size [2019-10-07 10:30:47,620 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2019-10-07 10:30:47,620 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_macro [2019-10-07 10:30:47,620 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_rcu_read_lock [2019-10-07 10:30:47,620 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_rcu_read_unlock [2019-10-07 10:30:47,620 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_try_module_get [2019-10-07 10:30:47,620 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_module_put [2019-10-07 10:30:47,621 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_126 [2019-10-07 10:30:47,621 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_128 [2019-10-07 10:30:47,621 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_130 [2019-10-07 10:30:47,621 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_150 [2019-10-07 10:30:47,621 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_151 [2019-10-07 10:30:47,621 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_205 [2019-10-07 10:30:47,621 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_210 [2019-10-07 10:30:47,621 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_220 [2019-10-07 10:30:47,622 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_all_ppp_mutex_of_ppp_net [2019-10-07 10:30:47,622 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_all_ppp_mutex_of_ppp_net [2019-10-07 10:30:47,622 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_ppp_mutex [2019-10-07 10:30:47,622 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_ppp_mutex [2019-10-07 10:30:47,622 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_read_lock [2019-10-07 10:30:47,622 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_read_unlock [2019-10-07 10:30:47,622 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_write_lock [2019-10-07 10:30:47,622 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_write_unlock [2019-10-07 10:30:47,622 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2019-10-07 10:30:47,623 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2019-10-07 10:30:47,623 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2019-10-07 10:30:47,623 INFO L130 BoogieDeclarations]: Found specification of procedure __swab16p [2019-10-07 10:30:47,623 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 10:30:47,623 INFO L130 BoogieDeclarations]: Found specification of procedure __be16_to_cpup [2019-10-07 10:30:47,623 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-07 10:30:47,623 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2019-10-07 10:30:47,623 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2019-10-07 10:30:47,624 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2019-10-07 10:30:47,624 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-10-07 10:30:47,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 10:30:47,624 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2019-10-07 10:30:47,624 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2019-10-07 10:30:47,624 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 10:30:47,624 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2019-10-07 10:30:47,624 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2019-10-07 10:30:47,624 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2019-10-07 10:30:47,625 INFO L130 BoogieDeclarations]: Found specification of procedure list_move [2019-10-07 10:30:47,625 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2019-10-07 10:30:47,625 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2019-10-07 10:30:47,625 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2019-10-07 10:30:47,625 INFO L130 BoogieDeclarations]: Found specification of procedure memdup_user [2019-10-07 10:30:47,625 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-07 10:30:47,625 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-07 10:30:47,625 INFO L130 BoogieDeclarations]: Found specification of procedure strlen [2019-10-07 10:30:47,626 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2019-10-07 10:30:47,626 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2019-10-07 10:30:47,626 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2019-10-07 10:30:47,626 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2019-10-07 10:30:47,626 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2019-10-07 10:30:47,626 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2019-10-07 10:30:47,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 10:30:47,626 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2019-10-07 10:30:47,626 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2019-10-07 10:30:47,627 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2019-10-07 10:30:47,627 INFO L130 BoogieDeclarations]: Found specification of procedure atomic64_read [2019-10-07 10:30:47,627 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_long_read [2019-10-07 10:30:47,627 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2019-10-07 10:30:47,627 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_all_channels_lock_of_ppp_net [2019-10-07 10:30:47,627 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_all_channels_lock_of_ppp_net [2019-10-07 10:30:47,627 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_compressor_list_lock [2019-10-07 10:30:47,627 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_compressor_list_lock [2019-10-07 10:30:47,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_downl_of_channel [2019-10-07 10:30:47,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_downl_of_channel [2019-10-07 10:30:47,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_rlock_of_ppp [2019-10-07 10:30:47,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_rlock_of_ppp [2019-10-07 10:30:47,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_wlock_of_ppp [2019-10-07 10:30:47,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_wlock_of_ppp [2019-10-07 10:30:47,628 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2019-10-07 10:30:47,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_127 [2019-10-07 10:30:47,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_129 [2019-10-07 10:30:47,629 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_149 [2019-10-07 10:30:47,629 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_152 [2019-10-07 10:30:47,629 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_155 [2019-10-07 10:30:47,629 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_207 [2019-10-07 10:30:47,629 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_208 [2019-10-07 10:30:47,629 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_218 [2019-10-07 10:30:47,629 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_225 [2019-10-07 10:30:47,629 INFO L130 BoogieDeclarations]: Found specification of procedure test_ti_thread_flag [2019-10-07 10:30:47,630 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-10-07 10:30:47,630 INFO L130 BoogieDeclarations]: Found specification of procedure __rwlock_init [2019-10-07 10:30:47,630 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2019-10-07 10:30:47,630 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_bh [2019-10-07 10:30:47,630 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2019-10-07 10:30:47,630 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_bh [2019-10-07 10:30:47,630 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-10-07 10:30:47,630 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2019-10-07 10:30:47,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_197 [2019-10-07 10:30:47,631 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2019-10-07 10:30:47,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_131 [2019-10-07 10:30:47,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_132 [2019-10-07 10:30:47,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_153 [2019-10-07 10:30:47,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_166 [2019-10-07 10:30:47,631 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2019-10-07 10:30:47,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_198 [2019-10-07 10:30:47,631 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2019-10-07 10:30:47,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_133 [2019-10-07 10:30:47,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_134 [2019-10-07 10:30:47,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_154 [2019-10-07 10:30:47,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_167 [2019-10-07 10:30:47,632 INFO L130 BoogieDeclarations]: Found specification of procedure default_wake_function [2019-10-07 10:30:47,632 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2019-10-07 10:30:47,632 INFO L130 BoogieDeclarations]: Found specification of procedure add_wait_queue [2019-10-07 10:30:47,632 INFO L130 BoogieDeclarations]: Found specification of procedure remove_wait_queue [2019-10-07 10:30:47,632 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2019-10-07 10:30:47,632 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2019-10-07 10:30:47,633 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_held [2019-10-07 10:30:47,633 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2019-10-07 10:30:47,633 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2019-10-07 10:30:47,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_idr_alloc_232 [2019-10-07 10:30:47,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_idr_alloc_233 [2019-10-07 10:30:47,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_idr_remove_234 [2019-10-07 10:30:47,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_idr_destroy_157 [2019-10-07 10:30:47,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_idr_init_156 [2019-10-07 10:30:47,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_idr_find_235 [2019-10-07 10:30:47,634 INFO L130 BoogieDeclarations]: Found specification of procedure __init_rwsem [2019-10-07 10:30:47,634 INFO L130 BoogieDeclarations]: Found specification of procedure down_read [2019-10-07 10:30:47,634 INFO L130 BoogieDeclarations]: Found specification of procedure down_write [2019-10-07 10:30:47,634 INFO L130 BoogieDeclarations]: Found specification of procedure up_read [2019-10-07 10:30:47,634 INFO L130 BoogieDeclarations]: Found specification of procedure up_write [2019-10-07 10:30:47,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_class_destroy_231 [2019-10-07 10:30:47,634 INFO L130 BoogieDeclarations]: Found specification of procedure device_create [2019-10-07 10:30:47,634 INFO L130 BoogieDeclarations]: Found specification of procedure device_destroy [2019-10-07 10:30:47,634 INFO L130 BoogieDeclarations]: Found specification of procedure iov_iter_init [2019-10-07 10:30:47,635 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2019-10-07 10:30:47,635 INFO L130 BoogieDeclarations]: Found specification of procedure __register_chrdev [2019-10-07 10:30:47,635 INFO L130 BoogieDeclarations]: Found specification of procedure __unregister_chrdev [2019-10-07 10:30:47,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_chrdev_76 [2019-10-07 10:30:47,635 INFO L130 BoogieDeclarations]: Found specification of procedure register_chrdev [2019-10-07 10:30:47,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_chrdev_158 [2019-10-07 10:30:47,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_chrdev_77 [2019-10-07 10:30:47,635 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev [2019-10-07 10:30:47,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_chrdev_159 [2019-10-07 10:30:47,636 INFO L130 BoogieDeclarations]: Found specification of procedure noop_llseek [2019-10-07 10:30:47,636 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2019-10-07 10:30:47,636 INFO L130 BoogieDeclarations]: Found specification of procedure test_tsk_thread_flag [2019-10-07 10:30:47,636 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2019-10-07 10:30:47,636 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2019-10-07 10:30:47,636 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-07 10:30:47,636 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-07 10:30:47,636 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-10-07 10:30:47,636 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2019-10-07 10:30:47,637 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2019-10-07 10:30:47,637 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_from_user_overflow [2019-10-07 10:30:47,637 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_to_user_overflow [2019-10-07 10:30:47,637 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2019-10-07 10:30:47,637 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2019-10-07 10:30:47,637 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2019-10-07 10:30:47,637 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2019-10-07 10:30:47,637 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2019-10-07 10:30:47,638 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_98 [2019-10-07 10:30:47,638 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_106 [2019-10-07 10:30:47,638 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2019-10-07 10:30:47,638 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2019-10-07 10:30:47,638 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_is_last [2019-10-07 10:30:47,638 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_next [2019-10-07 10:30:47,638 INFO L130 BoogieDeclarations]: Found specification of procedure skb_cloned [2019-10-07 10:30:47,638 INFO L130 BoogieDeclarations]: Found specification of procedure skb_unclone [2019-10-07 10:30:47,638 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 10:30:47,639 INFO L130 BoogieDeclarations]: Found specification of procedure skb_header_cloned [2019-10-07 10:30:47,639 INFO L130 BoogieDeclarations]: Found specification of procedure skb_peek [2019-10-07 10:30:47,639 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2019-10-07 10:30:47,639 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_head_init [2019-10-07 10:30:47,639 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2019-10-07 10:30:47,639 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 10:30:47,639 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_insert [2019-10-07 10:30:47,639 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_before [2019-10-07 10:30:47,639 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head [2019-10-07 10:30:47,640 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2019-10-07 10:30:47,640 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_unlink [2019-10-07 10:30:47,640 INFO L130 BoogieDeclarations]: Found specification of procedure skb_dequeue [2019-10-07 10:30:47,640 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_nonlinear [2019-10-07 10:30:47,640 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2019-10-07 10:30:47,640 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2019-10-07 10:30:47,640 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2019-10-07 10:30:47,640 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2019-10-07 10:30:47,640 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_pull [2019-10-07 10:30:47,640 INFO L130 BoogieDeclarations]: Found specification of procedure __pskb_pull_tail [2019-10-07 10:30:47,641 INFO L130 BoogieDeclarations]: Found specification of procedure pskb_may_pull [2019-10-07 10:30:47,641 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2019-10-07 10:30:47,641 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tailroom [2019-10-07 10:30:47,641 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2019-10-07 10:30:47,641 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2019-10-07 10:30:47,641 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2019-10-07 10:30:47,641 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_purge [2019-10-07 10:30:47,641 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_103 [2019-10-07 10:30:47,641 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2019-10-07 10:30:47,642 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2019-10-07 10:30:47,642 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_cow [2019-10-07 10:30:47,642 INFO L130 BoogieDeclarations]: Found specification of procedure skb_cow_head [2019-10-07 10:30:47,642 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull_rcsum [2019-10-07 10:30:47,642 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_datagram_iter [2019-10-07 10:30:47,642 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_bits [2019-10-07 10:30:47,642 INFO L130 BoogieDeclarations]: Found specification of procedure hold_net [2019-10-07 10:30:47,642 INFO L130 BoogieDeclarations]: Found specification of procedure release_net [2019-10-07 10:30:47,642 INFO L130 BoogieDeclarations]: Found specification of procedure register_pernet_device [2019-10-07 10:30:47,643 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_pernet_device [2019-10-07 10:30:47,643 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2019-10-07 10:30:47,643 INFO L130 BoogieDeclarations]: Found specification of procedure dev_net_set [2019-10-07 10:30:47,643 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2019-10-07 10:30:47,643 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2019-10-07 10:30:47,643 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_209 [2019-10-07 10:30:47,643 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_219 [2019-10-07 10:30:47,643 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2019-10-07 10:30:47,643 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2019-10-07 10:30:47,643 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2019-10-07 10:30:47,644 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2019-10-07 10:30:47,644 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2019-10-07 10:30:47,644 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_netdev_mqs [2019-10-07 10:30:47,644 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_netdev_mqs_204 [2019-10-07 10:30:47,644 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2019-10-07 10:30:47,644 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_206 [2019-10-07 10:30:47,644 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2019-10-07 10:30:47,644 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_215 [2019-10-07 10:30:47,645 INFO L130 BoogieDeclarations]: Found specification of procedure netif_keep_dst [2019-10-07 10:30:47,645 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_printk [2019-10-07 10:30:47,645 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2019-10-07 10:30:47,645 INFO L130 BoogieDeclarations]: Found specification of procedure __request_module [2019-10-07 10:30:47,645 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get_202 [2019-10-07 10:30:47,645 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_185 [2019-10-07 10:30:47,645 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_186 [2019-10-07 10:30:47,645 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_189 [2019-10-07 10:30:47,645 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_190 [2019-10-07 10:30:47,646 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_195 [2019-10-07 10:30:47,646 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_196 [2019-10-07 10:30:47,646 INFO L130 BoogieDeclarations]: Found specification of procedure poll_wait [2019-10-07 10:30:47,646 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2019-10-07 10:30:47,646 INFO L130 BoogieDeclarations]: Found specification of procedure bpf_prog_create [2019-10-07 10:30:47,646 INFO L130 BoogieDeclarations]: Found specification of procedure bpf_prog_destroy [2019-10-07 10:30:47,646 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_output_wakeup [2019-10-07 10:30:47,646 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_input [2019-10-07 10:30:47,647 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_input_error [2019-10-07 10:30:47,647 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_register_net_channel [2019-10-07 10:30:47,647 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_register_channel [2019-10-07 10:30:47,647 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_unregister_channel [2019-10-07 10:30:47,647 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_channel_index [2019-10-07 10:30:47,647 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_unit_number [2019-10-07 10:30:47,647 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_dev_name [2019-10-07 10:30:47,647 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_register_compressor [2019-10-07 10:30:47,647 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_unregister_compressor [2019-10-07 10:30:47,647 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_be16 [2019-10-07 10:30:47,648 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_be16 [2019-10-07 10:30:47,648 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_init [2019-10-07 10:30:47,648 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_free [2019-10-07 10:30:47,648 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_compress [2019-10-07 10:30:47,648 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_uncompress [2019-10-07 10:30:47,648 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_remember [2019-10-07 10:30:47,648 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_toss [2019-10-07 10:30:47,648 INFO L130 BoogieDeclarations]: Found specification of procedure net_generic [2019-10-07 10:30:47,648 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_unattached_ioctl [2019-10-07 10:30:47,649 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_xmit_process [2019-10-07 10:30:47,649 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_send_frame [2019-10-07 10:30:47,649 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_push [2019-10-07 10:30:47,649 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_channel_push [2019-10-07 10:30:47,649 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_receive_frame [2019-10-07 10:30:47,649 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_receive_error [2019-10-07 10:30:47,649 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_receive_nonmp_frame [2019-10-07 10:30:47,649 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_decompress_frame [2019-10-07 10:30:47,649 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_receive_mp_frame [2019-10-07 10:30:47,649 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_mp_insert [2019-10-07 10:30:47,650 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_mp_reconstruct [2019-10-07 10:30:47,650 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_mp_explode [2019-10-07 10:30:47,650 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_set_compress [2019-10-07 10:30:47,650 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ccp_peek [2019-10-07 10:30:47,650 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ccp_closed [2019-10-07 10:30:47,650 INFO L130 BoogieDeclarations]: Found specification of procedure find_compressor [2019-10-07 10:30:47,650 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_get_stats [2019-10-07 10:30:47,650 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_create_interface [2019-10-07 10:30:47,650 INFO L130 BoogieDeclarations]: Found specification of procedure init_ppp_file [2019-10-07 10:30:47,651 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_shutdown_interface [2019-10-07 10:30:47,651 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_destroy_interface [2019-10-07 10:30:47,651 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_find_unit [2019-10-07 10:30:47,651 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_find_channel [2019-10-07 10:30:47,651 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_connect_channel [2019-10-07 10:30:47,651 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_disconnect_channel [2019-10-07 10:30:47,651 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_destroy_channel [2019-10-07 10:30:47,651 INFO L130 BoogieDeclarations]: Found specification of procedure unit_get [2019-10-07 10:30:47,651 INFO L130 BoogieDeclarations]: Found specification of procedure unit_set [2019-10-07 10:30:47,652 INFO L130 BoogieDeclarations]: Found specification of procedure unit_put [2019-10-07 10:30:47,652 INFO L130 BoogieDeclarations]: Found specification of procedure unit_find [2019-10-07 10:30:47,652 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_pernet [2019-10-07 10:30:47,652 INFO L130 BoogieDeclarations]: Found specification of procedure proto_to_npindex [2019-10-07 10:30:47,652 INFO L130 BoogieDeclarations]: Found specification of procedure ethertype_to_npindex [2019-10-07 10:30:47,652 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_open [2019-10-07 10:30:47,652 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_release [2019-10-07 10:30:47,652 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_read [2019-10-07 10:30:47,652 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_write [2019-10-07 10:30:47,653 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_poll [2019-10-07 10:30:47,653 INFO L130 BoogieDeclarations]: Found specification of procedure get_filter [2019-10-07 10:30:47,653 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ioctl [2019-10-07 10:30:47,653 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2019-10-07 10:30:47,653 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_init_net [2019-10-07 10:30:47,653 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_exit_net [2019-10-07 10:30:47,653 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_init [2019-10-07 10:30:47,653 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_start_xmit [2019-10-07 10:30:47,653 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_net_ioctl [2019-10-07 10:30:47,653 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2019-10-07 10:30:47,654 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-07 10:30:47,654 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_get_stats64 [2019-10-07 10:30:47,654 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_dev_init [2019-10-07 10:30:47,654 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_setup [2019-10-07 10:30:47,654 INFO L130 BoogieDeclarations]: Found specification of procedure pad_compress_skb [2019-10-07 10:30:47,654 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2019-10-07 10:30:47,654 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-10-07 10:30:47,654 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-10-07 10:30:47,654 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_do_recv [2019-10-07 10:30:47,655 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~X~int~TO~int [2019-10-07 10:30:47,655 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2019-10-07 10:30:47,655 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~$Pointer$ [2019-10-07 10:30:47,655 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-10-07 10:30:47,655 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~int~X~int~TO~int [2019-10-07 10:30:47,655 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~int~TO~int [2019-10-07 10:30:47,655 INFO L130 BoogieDeclarations]: Found specification of procedure find_comp_entry [2019-10-07 10:30:47,655 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_cleanup [2019-10-07 10:30:47,655 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_ppp_cleanup_9_2 [2019-10-07 10:30:47,656 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_init_ppp_init_9_9 [2019-10-07 10:30:47,656 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_netdev_mqs [2019-10-07 10:30:47,656 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_netdev_mqs_setup_3_3 [2019-10-07 10:30:47,656 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_deregister_6_1 [2019-10-07 10:30:47,656 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_deregister_7_1 [2019-10-07 10:30:47,656 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_deregister_dummy_resourceless_instance_9_9_4 [2019-10-07 10:30:47,656 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_5_4 [2019-10-07 10:30:47,656 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_8_2 [2019-10-07 10:30:47,656 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_dummy_resourceless_instance_9_9_5 [2019-10-07 10:30:47,657 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_10 [2019-10-07 10:30:47,657 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_11 [2019-10-07 10:30:47,657 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_3 [2019-10-07 10:30:47,657 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_9 [2019-10-07 10:30:47,657 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_2_3 [2019-10-07 10:30:47,657 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_2_7 [2019-10-07 10:30:47,657 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_entry_EMGentry_9 [2019-10-07 10:30:47,657 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 10:30:47,657 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_file_operations_instance_0 [2019-10-07 10:30:47,658 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_instance_callback_0_22 [2019-10-07 10:30:47,658 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_instance_callback_0_23 [2019-10-07 10:30:47,658 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_instance_callback_0_26 [2019-10-07 10:30:47,658 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_instance_callback_0_5 [2019-10-07 10:30:47,658 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_instance_probe_0_12 [2019-10-07 10:30:47,658 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_instance_release_0_2 [2019-10-07 10:30:47,658 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_instance_write_0_4 [2019-10-07 10:30:47,658 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2019-10-07 10:30:47,658 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_net_dummy_resourceless_instance_1 [2019-10-07 10:30:47,658 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_chrdev [2019-10-07 10:30:47,659 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev [2019-10-07 10:30:47,659 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_open_5_6 [2019-10-07 10:30:47,659 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_struct_pernet_operations_dummy_resourceless_instance_2 [2019-10-07 10:30:47,659 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_chrdev [2019-10-07 10:30:47,659 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2019-10-07 10:30:47,659 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_stop_7_2 [2019-10-07 10:30:47,659 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2019-10-07 10:30:47,659 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_alloc_irq__nonatomic [2019-10-07 10:30:47,659 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_alloc_irq__wrong_flags [2019-10-07 10:30:47,660 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2019-10-07 10:30:47,660 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_alloc_spinlock__nonatomic [2019-10-07 10:30:47,660 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_alloc_spinlock__wrong_flags [2019-10-07 10:30:47,660 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2019-10-07 10:30:47,660 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_alloc_spinlock_check_alloc_flags [2019-10-07 10:30:47,660 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_alloc_spinlock_check_alloc_nonatomic [2019-10-07 10:30:47,660 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_alloc_usb_lock__nonatomic [2019-10-07 10:30:47,660 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_alloc_usb_lock__wrong_flags [2019-10-07 10:30:47,660 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_alloc_usb_lock_usb_lock_device [2019-10-07 10:30:47,661 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_alloc_usb_lock_usb_trylock_device [2019-10-07 10:30:47,661 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_alloc_usb_lock_usb_lock_device_for_reset [2019-10-07 10:30:47,661 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_alloc_usb_lock_usb_unlock_device [2019-10-07 10:30:47,661 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_dev_atomic_add [2019-10-07 10:30:47,661 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_dev_atomic_sub [2019-10-07 10:30:47,661 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_dev_atomic_sub_and_test [2019-10-07 10:30:47,661 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_dev_atomic_inc_and_test [2019-10-07 10:30:47,661 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_dev_atomic_add_return [2019-10-07 10:30:47,661 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_dev_atomic_add_negative [2019-10-07 10:30:47,662 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_dev_atomic_inc_short [2019-10-07 10:30:47,662 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_arch_io__less_initial_decrement [2019-10-07 10:30:47,662 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_arch_io__more_initial_at_exit [2019-10-07 10:30:47,662 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_io_mem_remap [2019-10-07 10:30:47,662 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_io_mem_unmap [2019-10-07 10:30:47,662 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_block_genhd__delete_before_add [2019-10-07 10:30:47,662 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_block_genhd__double_allocation [2019-10-07 10:30:47,662 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_block_genhd__free_before_allocation [2019-10-07 10:30:47,662 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_block_genhd__more_initial_at_exit [2019-10-07 10:30:47,663 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_block_genhd__use_before_allocation [2019-10-07 10:30:47,663 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_alloc_disk [2019-10-07 10:30:47,663 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_add_disk [2019-10-07 10:30:47,663 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_del_gendisk [2019-10-07 10:30:47,663 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_put_disk [2019-10-07 10:30:47,663 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_block_queue__double_allocation [2019-10-07 10:30:47,663 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_block_queue__more_initial_at_exit [2019-10-07 10:30:47,663 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_block_queue__use_before_allocation [2019-10-07 10:30:47,663 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_request_queue [2019-10-07 10:30:47,663 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_blk_cleanup_queue [2019-10-07 10:30:47,664 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_block_request__double_get [2019-10-07 10:30:47,664 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_block_request__double_put [2019-10-07 10:30:47,664 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_block_request__get_at_exit [2019-10-07 10:30:47,664 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-07 10:30:47,664 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_blk_get_request [2019-10-07 10:30:47,664 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_blk_make_request [2019-10-07 10:30:47,664 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_put_blk_rq [2019-10-07 10:30:47,664 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_drivers_base_class__double_deregistration [2019-10-07 10:30:47,665 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_drivers_base_class__double_registration [2019-10-07 10:30:47,665 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_drivers_base_class__registered_at_exit [2019-10-07 10:30:47,665 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_nonpositive [2019-10-07 10:30:47,665 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_unregister_class [2019-10-07 10:30:47,665 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xzalloc [2019-10-07 10:30:47,665 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-10-07 10:30:47,665 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-10-07 10:30:47,665 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-07 10:30:47,665 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spi_alloc_master [2019-10-07 10:30:47,666 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-10-07 10:30:47,666 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-10-07 10:30:47,666 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_fs_char_dev__double_deregistration [2019-10-07 10:30:47,666 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_fs_char_dev__double_registration [2019-10-07 10:30:47,666 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_fs_char_dev__registered_at_exit [2019-10-07 10:30:47,666 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_register_chrdev_region [2019-10-07 10:30:47,666 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_fs_sysfs__less_initial_decrement [2019-10-07 10:30:47,666 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_fs_sysfs__more_initial_at_exit [2019-10-07 10:30:47,666 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_sysfs_create_group [2019-10-07 10:30:47,667 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_sysfs_remove_group [2019-10-07 10:30:47,667 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_rwlock__double_write_lock [2019-10-07 10:30:47,667 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_rwlock__double_write_unlock [2019-10-07 10:30:47,667 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_rwlock__more_read_unlocks [2019-10-07 10:30:47,667 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_rwlock__read_lock_at_exit [2019-10-07 10:30:47,667 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_rwlock__read_lock_on_write_lock [2019-10-07 10:30:47,667 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_rwlock__write_lock_at_exit [2019-10-07 10:30:47,667 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_read_trylock [2019-10-07 10:30:47,667 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_write_trylock [2019-10-07 10:30:47,668 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_module__less_initial_decrement [2019-10-07 10:30:47,668 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_module__more_initial_at_exit [2019-10-07 10:30:47,668 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_module_get [2019-10-07 10:30:47,668 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_module_put_and_exit [2019-10-07 10:30:47,668 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_module_refcount [2019-10-07 10:30:47,668 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_rcu_srcu__locked_at_exit [2019-10-07 10:30:47,668 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_rcu_srcu__locked_at_read_section [2019-10-07 10:30:47,668 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_rcu_srcu__more_unlocks [2019-10-07 10:30:47,669 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_srcu_read_lock [2019-10-07 10:30:47,669 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_srcu_read_unlock [2019-10-07 10:30:47,669 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_rcu_update_lock_bh__locked_at_exit [2019-10-07 10:30:47,669 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_rcu_update_lock_bh__locked_at_read_section [2019-10-07 10:30:47,669 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_rcu_update_lock_bh__more_unlocks [2019-10-07 10:30:47,669 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_rcu_read_lock_bh [2019-10-07 10:30:47,669 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_rcu_read_unlock_bh [2019-10-07 10:30:47,669 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_rcu_update_lock_sched__locked_at_exit [2019-10-07 10:30:47,669 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_rcu_update_lock_sched__locked_at_read_section [2019-10-07 10:30:47,670 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_rcu_update_lock_sched__more_unlocks [2019-10-07 10:30:47,670 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_rcu_read_lock_sched [2019-10-07 10:30:47,670 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_rcu_read_unlock_sched [2019-10-07 10:30:47,670 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_rcu_update_lock__locked_at_exit [2019-10-07 10:30:47,670 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_rcu_update_lock__locked_at_read_section [2019-10-07 10:30:47,670 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_rcu_update_lock__more_unlocks [2019-10-07 10:30:47,670 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2019-10-07 10:30:47,670 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2019-10-07 10:30:47,670 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2019-10-07 10:30:47,671 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2019-10-07 10:30:47,671 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_lib_find_bit__offset_out_of_range [2019-10-07 10:30:47,671 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-07 10:30:47,671 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_find_bit_find_next_bit [2019-10-07 10:30:47,671 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_find_bit_find_first_bit [2019-10-07 10:30:47,671 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_mmc_sdio_func__double_claim [2019-10-07 10:30:47,671 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_mmc_sdio_func__release_without_claim [2019-10-07 10:30:47,671 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_mmc_sdio_func__unreleased_at_exit [2019-10-07 10:30:47,671 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_mmc_sdio_func__wrong_params [2019-10-07 10:30:47,672 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_context [2019-10-07 10:30:47,672 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_sdio_claim_host [2019-10-07 10:30:47,672 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_sdio_release_host [2019-10-07 10:30:47,672 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_net_register__wrong_return_value [2019-10-07 10:30:47,672 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_check_return_value_probe [2019-10-07 10:30:47,672 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_net_rtnetlink__double_lock [2019-10-07 10:30:47,672 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_net_rtnetlink__double_unlock [2019-10-07 10:30:47,672 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_net_rtnetlink__lock_on_exit [2019-10-07 10:30:47,672 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_past_rtnl_unlock [2019-10-07 10:30:47,672 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_past_rtnl_lock [2019-10-07 10:30:47,673 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_before_ieee80211_unregister_hw [2019-10-07 10:30:47,673 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_rtnl_is_locked [2019-10-07 10:30:47,673 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_rtnl_trylock [2019-10-07 10:30:47,673 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_net_sock__all_locked_sockets_must_be_released [2019-10-07 10:30:47,673 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_net_sock__double_release [2019-10-07 10:30:47,673 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_past_lock_sock_nested [2019-10-07 10:30:47,673 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_lock_sock_fast [2019-10-07 10:30:47,673 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_unlock_sock_fast [2019-10-07 10:30:47,673 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_before_release_sock [2019-10-07 10:30:47,674 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_usb_coherent__less_initial_decrement [2019-10-07 10:30:47,674 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_usb_coherent__more_initial_at_exit [2019-10-07 10:30:47,674 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_usb_alloc_coherent [2019-10-07 10:30:47,674 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_usb_free_coherent [2019-10-07 10:30:47,674 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_usb_dev__less_initial_decrement [2019-10-07 10:30:47,674 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_usb_dev__more_initial_at_exit [2019-10-07 10:30:47,674 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_usb_dev__probe_failed [2019-10-07 10:30:47,674 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_usb_dev__unincremented_counter_decrement [2019-10-07 10:30:47,674 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_dev_usb_get_dev [2019-10-07 10:30:47,674 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_dev_usb_put_dev [2019-10-07 10:30:47,674 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_dev_check_return_value_probe [2019-10-07 10:30:47,675 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_dev_initialize [2019-10-07 10:30:47,675 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_dev_check_final_state [2019-10-07 10:30:47,675 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_usb_gadget__chrdev_deregistration_with_usb_gadget [2019-10-07 10:30:47,675 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_usb_gadget__chrdev_registration_with_usb_gadget [2019-10-07 10:30:47,675 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_usb_gadget__class_deregistration_with_usb_gadget [2019-10-07 10:30:47,675 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_usb_gadget__class_registration_with_usb_gadget [2019-10-07 10:30:47,675 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_usb_gadget__double_usb_gadget_deregistration [2019-10-07 10:30:47,675 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_usb_gadget__double_usb_gadget_registration [2019-10-07 10:30:47,675 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_usb_gadget__usb_gadget_registered_at_exit [2019-10-07 10:30:47,675 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_unregister_class [2019-10-07 10:30:47,676 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_register_chrdev_region [2019-10-07 10:30:47,676 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_register_usb_gadget [2019-10-07 10:30:47,676 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_unregister_usb_gadget [2019-10-07 10:30:47,676 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_usb_register__wrong_return_value [2019-10-07 10:30:47,676 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_usb_register_driver [2019-10-07 10:30:47,676 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_check_return_value_probe [2019-10-07 10:30:47,676 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_usb_urb__less_initial_decrement [2019-10-07 10:30:47,676 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_usb_urb__more_initial_at_exit [2019-10-07 10:30:47,676 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_usb_alloc_urb [2019-10-07 10:30:47,676 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_usb_free_urb [2019-10-07 10:30:47,677 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2019-10-07 10:30:47,677 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-10-07 10:30:47,677 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-07 10:30:47,677 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2019-10-07 10:30:47,677 INFO L130 BoogieDeclarations]: Found specification of procedure external_allocated_data [2019-10-07 10:30:47,677 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc_unknown_size [2019-10-07 10:30:47,677 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc_unknown_size [2019-10-07 10:30:47,677 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc_unknown_size [2019-10-07 10:30:47,677 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 10:30:47,677 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-07 10:30:47,678 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 10:30:47,678 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 10:30:47,678 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-07 10:30:47,678 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_negative [2019-10-07 10:30:47,678 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 10:30:47,678 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-07 10:30:47,678 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-07 10:30:47,678 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_create [2019-10-07 10:30:47,678 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_create_N [2019-10-07 10:30:47,678 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_join [2019-10-07 10:30:47,679 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_join_N [2019-10-07 10:30:47,679 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2019-10-07 10:30:47,679 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock_try [2019-10-07 10:30:47,679 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2019-10-07 10:30:47,679 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2019-10-07 10:30:47,679 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_interruptible_or_killable_all_ppp_mutex_of_ppp_net [2019-10-07 10:30:47,679 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_is_locked_all_ppp_mutex_of_ppp_net [2019-10-07 10:30:47,679 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_trylock_all_ppp_mutex_of_ppp_net [2019-10-07 10:30:47,679 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_atomic_dec_and_mutex_lock_all_ppp_mutex_of_ppp_net [2019-10-07 10:30:47,679 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_i_mutex_of_inode [2019-10-07 10:30:47,680 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_interruptible_or_killable_i_mutex_of_inode [2019-10-07 10:30:47,680 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_is_locked_i_mutex_of_inode [2019-10-07 10:30:47,680 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_trylock_i_mutex_of_inode [2019-10-07 10:30:47,680 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_atomic_dec_and_mutex_lock_i_mutex_of_inode [2019-10-07 10:30:47,680 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_i_mutex_of_inode [2019-10-07 10:30:47,680 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_lock [2019-10-07 10:30:47,680 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_interruptible_or_killable_lock [2019-10-07 10:30:47,680 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_is_locked_lock [2019-10-07 10:30:47,680 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_trylock_lock [2019-10-07 10:30:47,681 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_atomic_dec_and_mutex_lock_lock [2019-10-07 10:30:47,681 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_lock [2019-10-07 10:30:47,681 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_mutex_of_device [2019-10-07 10:30:47,681 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_interruptible_or_killable_mutex_of_device [2019-10-07 10:30:47,681 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_is_locked_mutex_of_device [2019-10-07 10:30:47,681 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_trylock_mutex_of_device [2019-10-07 10:30:47,681 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_atomic_dec_and_mutex_lock_mutex_of_device [2019-10-07 10:30:47,681 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_mutex_of_device [2019-10-07 10:30:47,681 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_interruptible_or_killable_ppp_mutex [2019-10-07 10:30:47,681 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_is_locked_ppp_mutex [2019-10-07 10:30:47,682 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_trylock_ppp_mutex [2019-10-07 10:30:47,682 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_atomic_dec_and_mutex_lock_ppp_mutex [2019-10-07 10:30:47,682 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_initialize [2019-10-07 10:30:47,682 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_check_final_state [2019-10-07 10:30:47,682 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2019-10-07 10:30:47,682 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2019-10-07 10:30:47,682 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2019-10-07 10:30:47,682 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2019-10-07 10:30:47,682 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock__xmit_lock_of_netdev_queue [2019-10-07 10:30:47,683 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock__xmit_lock_of_netdev_queue [2019-10-07 10:30:47,683 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_trylock__xmit_lock_of_netdev_queue [2019-10-07 10:30:47,683 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_wait__xmit_lock_of_netdev_queue [2019-10-07 10:30:47,683 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_is_locked__xmit_lock_of_netdev_queue [2019-10-07 10:30:47,683 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_can_lock__xmit_lock_of_netdev_queue [2019-10-07 10:30:47,683 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_is_contended__xmit_lock_of_netdev_queue [2019-10-07 10:30:47,683 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_atomic_dec_and_lock__xmit_lock_of_netdev_queue [2019-10-07 10:30:47,683 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_addr_list_lock_of_net_device [2019-10-07 10:30:47,683 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_addr_list_lock_of_net_device [2019-10-07 10:30:47,683 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_trylock_addr_list_lock_of_net_device [2019-10-07 10:30:47,684 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_wait_addr_list_lock_of_net_device [2019-10-07 10:30:47,684 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_is_locked_addr_list_lock_of_net_device [2019-10-07 10:30:47,684 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_can_lock_addr_list_lock_of_net_device [2019-10-07 10:30:47,684 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_is_contended_addr_list_lock_of_net_device [2019-10-07 10:30:47,684 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_atomic_dec_and_lock_addr_list_lock_of_net_device [2019-10-07 10:30:47,684 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_trylock_all_channels_lock_of_ppp_net [2019-10-07 10:30:47,684 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_wait_all_channels_lock_of_ppp_net [2019-10-07 10:30:47,684 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_is_locked_all_channels_lock_of_ppp_net [2019-10-07 10:30:47,684 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_can_lock_all_channels_lock_of_ppp_net [2019-10-07 10:30:47,684 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_is_contended_all_channels_lock_of_ppp_net [2019-10-07 10:30:47,685 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_atomic_dec_and_lock_all_channels_lock_of_ppp_net [2019-10-07 10:30:47,685 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_alloc_lock_of_task_struct [2019-10-07 10:30:47,685 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_alloc_lock_of_task_struct [2019-10-07 10:30:47,685 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_trylock_alloc_lock_of_task_struct [2019-10-07 10:30:47,685 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_wait_alloc_lock_of_task_struct [2019-10-07 10:30:47,685 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_is_locked_alloc_lock_of_task_struct [2019-10-07 10:30:47,685 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_can_lock_alloc_lock_of_task_struct [2019-10-07 10:30:47,685 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_is_contended_alloc_lock_of_task_struct [2019-10-07 10:30:47,685 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_atomic_dec_and_lock_alloc_lock_of_task_struct [2019-10-07 10:30:47,685 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_trylock_compressor_list_lock [2019-10-07 10:30:47,686 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_wait_compressor_list_lock [2019-10-07 10:30:47,686 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_is_locked_compressor_list_lock [2019-10-07 10:30:47,686 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_can_lock_compressor_list_lock [2019-10-07 10:30:47,686 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_is_contended_compressor_list_lock [2019-10-07 10:30:47,686 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_atomic_dec_and_lock_compressor_list_lock [2019-10-07 10:30:47,686 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_trylock_downl_of_channel [2019-10-07 10:30:47,686 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_wait_downl_of_channel [2019-10-07 10:30:47,686 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_is_locked_downl_of_channel [2019-10-07 10:30:47,686 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_can_lock_downl_of_channel [2019-10-07 10:30:47,686 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_is_contended_downl_of_channel [2019-10-07 10:30:47,687 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_atomic_dec_and_lock_downl_of_channel [2019-10-07 10:30:47,687 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_i_lock_of_inode [2019-10-07 10:30:47,687 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_i_lock_of_inode [2019-10-07 10:30:47,687 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_trylock_i_lock_of_inode [2019-10-07 10:30:47,687 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_wait_i_lock_of_inode [2019-10-07 10:30:47,687 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_is_locked_i_lock_of_inode [2019-10-07 10:30:47,687 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_can_lock_i_lock_of_inode [2019-10-07 10:30:47,687 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_is_contended_i_lock_of_inode [2019-10-07 10:30:47,687 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_atomic_dec_and_lock_i_lock_of_inode [2019-10-07 10:30:47,688 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock [2019-10-07 10:30:47,688 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_lock [2019-10-07 10:30:47,688 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_trylock_lock [2019-10-07 10:30:47,688 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_wait_lock [2019-10-07 10:30:47,688 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_is_locked_lock [2019-10-07 10:30:47,688 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_can_lock_lock [2019-10-07 10:30:47,688 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_is_contended_lock [2019-10-07 10:30:47,688 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_atomic_dec_and_lock_lock [2019-10-07 10:30:47,688 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_NOT_ARG_SIGN [2019-10-07 10:30:47,688 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_lock_of_NOT_ARG_SIGN [2019-10-07 10:30:47,689 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_trylock_lock_of_NOT_ARG_SIGN [2019-10-07 10:30:47,689 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_wait_lock_of_NOT_ARG_SIGN [2019-10-07 10:30:47,689 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_is_locked_lock_of_NOT_ARG_SIGN [2019-10-07 10:30:47,689 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_can_lock_lock_of_NOT_ARG_SIGN [2019-10-07 10:30:47,689 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_is_contended_lock_of_NOT_ARG_SIGN [2019-10-07 10:30:47,689 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_atomic_dec_and_lock_lock_of_NOT_ARG_SIGN [2019-10-07 10:30:47,689 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_node_size_lock_of_pglist_data [2019-10-07 10:30:47,689 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_node_size_lock_of_pglist_data [2019-10-07 10:30:47,689 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_trylock_node_size_lock_of_pglist_data [2019-10-07 10:30:47,690 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_wait_node_size_lock_of_pglist_data [2019-10-07 10:30:47,690 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_is_locked_node_size_lock_of_pglist_data [2019-10-07 10:30:47,690 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_can_lock_node_size_lock_of_pglist_data [2019-10-07 10:30:47,690 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_is_contended_node_size_lock_of_pglist_data [2019-10-07 10:30:47,690 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_atomic_dec_and_lock_node_size_lock_of_pglist_data [2019-10-07 10:30:47,690 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_ptl [2019-10-07 10:30:47,690 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_ptl [2019-10-07 10:30:47,690 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_trylock_ptl [2019-10-07 10:30:47,690 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_wait_ptl [2019-10-07 10:30:47,691 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_is_locked_ptl [2019-10-07 10:30:47,691 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_can_lock_ptl [2019-10-07 10:30:47,691 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_is_contended_ptl [2019-10-07 10:30:47,691 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_atomic_dec_and_lock_ptl [2019-10-07 10:30:47,691 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_trylock_rlock_of_ppp [2019-10-07 10:30:47,691 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_wait_rlock_of_ppp [2019-10-07 10:30:47,691 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_is_locked_rlock_of_ppp [2019-10-07 10:30:47,691 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_can_lock_rlock_of_ppp [2019-10-07 10:30:47,691 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_is_contended_rlock_of_ppp [2019-10-07 10:30:47,691 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_atomic_dec_and_lock_rlock_of_ppp [2019-10-07 10:30:47,692 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_siglock_of_sighand_struct [2019-10-07 10:30:47,692 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_siglock_of_sighand_struct [2019-10-07 10:30:47,692 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_trylock_siglock_of_sighand_struct [2019-10-07 10:30:47,692 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_wait_siglock_of_sighand_struct [2019-10-07 10:30:47,692 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_is_locked_siglock_of_sighand_struct [2019-10-07 10:30:47,692 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_can_lock_siglock_of_sighand_struct [2019-10-07 10:30:47,692 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_is_contended_siglock_of_sighand_struct [2019-10-07 10:30:47,692 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_atomic_dec_and_lock_siglock_of_sighand_struct [2019-10-07 10:30:47,692 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_slock_of_NOT_ARG_SIGN [2019-10-07 10:30:47,693 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_slock_of_NOT_ARG_SIGN [2019-10-07 10:30:47,693 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_trylock_slock_of_NOT_ARG_SIGN [2019-10-07 10:30:47,693 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_wait_slock_of_NOT_ARG_SIGN [2019-10-07 10:30:47,693 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_is_locked_slock_of_NOT_ARG_SIGN [2019-10-07 10:30:47,693 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_can_lock_slock_of_NOT_ARG_SIGN [2019-10-07 10:30:47,693 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_is_contended_slock_of_NOT_ARG_SIGN [2019-10-07 10:30:47,693 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_atomic_dec_and_lock_slock_of_NOT_ARG_SIGN [2019-10-07 10:30:47,693 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_tx_global_lock_of_net_device [2019-10-07 10:30:47,693 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_tx_global_lock_of_net_device [2019-10-07 10:30:47,693 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_trylock_tx_global_lock_of_net_device [2019-10-07 10:30:47,694 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_wait_tx_global_lock_of_net_device [2019-10-07 10:30:47,694 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_is_locked_tx_global_lock_of_net_device [2019-10-07 10:30:47,694 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_can_lock_tx_global_lock_of_net_device [2019-10-07 10:30:47,694 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_is_contended_tx_global_lock_of_net_device [2019-10-07 10:30:47,694 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_atomic_dec_and_lock_tx_global_lock_of_net_device [2019-10-07 10:30:47,694 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_trylock_wlock_of_ppp [2019-10-07 10:30:47,694 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_wait_wlock_of_ppp [2019-10-07 10:30:47,694 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_is_locked_wlock_of_ppp [2019-10-07 10:30:47,694 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_can_lock_wlock_of_ppp [2019-10-07 10:30:47,694 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_is_contended_wlock_of_ppp [2019-10-07 10:30:47,695 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_atomic_dec_and_lock_wlock_of_ppp [2019-10-07 10:30:47,695 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_check_final_state [2019-10-07 10:30:47,695 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_sched_completion__double_init [2019-10-07 10:30:47,695 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_sched_completion__wait_without_init [2019-10-07 10:30:47,695 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_sched_completion_init_completion [2019-10-07 10:30:47,695 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_sched_completion_init_completion_macro [2019-10-07 10:30:47,695 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_sched_completion_wait_for_completion [2019-10-07 10:30:47,695 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_lib_idr__destroyed_before_usage [2019-10-07 10:30:47,695 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_lib_idr__double_init [2019-10-07 10:30:47,695 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_lib_idr__more_at_exit [2019-10-07 10:30:47,696 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_lib_idr__not_initialized [2019-10-07 10:30:47,696 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_idr_init_p [2019-10-07 10:30:47,696 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_idr_destroy_p [2019-10-07 10:30:47,696 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_idr_alloc_units_idr_of_ppp_net [2019-10-07 10:30:47,696 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_idr_find_units_idr_of_ppp_net [2019-10-07 10:30:47,696 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_idr_remove_units_idr_of_ppp_net [2019-10-07 10:30:47,696 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 10:30:47,696 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-07 10:30:47,696 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-10-07 10:30:47,697 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-10-07 10:30:47,697 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 10:30:47,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 10:30:47,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-07 10:30:47,697 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 10:30:47,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-07 10:30:47,697 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-07 10:30:47,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-07 10:30:47,697 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-07 10:30:51,863 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_linux_kernel_module_module_put_and_exitFINAL: assume true; [2019-10-07 10:31:02,993 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-07 10:31:19,408 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 10:31:19,408 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-10-07 10:31:19,411 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 10:31:19 BoogieIcfgContainer [2019-10-07 10:31:19,412 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 10:31:19,412 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 10:31:19,413 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 10:31:19,416 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 10:31:19,416 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 10:30:38" (1/3) ... [2019-10-07 10:31:19,416 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@488dca1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 10:31:19, skipping insertion in model container [2019-10-07 10:31:19,417 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 10:30:46" (2/3) ... [2019-10-07 10:31:19,417 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@488dca1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 10:31:19, skipping insertion in model container [2019-10-07 10:31:19,417 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 10:31:19" (3/3) ... [2019-10-07 10:31:19,419 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i [2019-10-07 10:31:19,427 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 10:31:19,439 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 88 error locations. [2019-10-07 10:31:19,450 INFO L249 AbstractCegarLoop]: Starting to check reachability of 88 error locations. [2019-10-07 10:31:19,498 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 10:31:19,498 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 10:31:19,499 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 10:31:19,499 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 10:31:19,499 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 10:31:19,499 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 10:31:19,499 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 10:31:19,499 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 10:31:19,584 INFO L276 IsEmpty]: Start isEmpty. Operand 3683 states. [2019-10-07 10:31:19,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-10-07 10:31:19,590 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 10:31:19,591 INFO L385 BasicCegarLoop]: trace histogram [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] [2019-10-07 10:31:19,595 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_assert_linux_usb_coherent__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_fs_char_dev__double_deregistrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_lib_idr__not_initializedErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_rtnetlink__double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_irq__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_module__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_urb__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock__locked_at_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__double_write_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_srcu__locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock__more_unlocksErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__read_lock_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_drivers_base_class__double_deregistrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_genhd__use_before_allocationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock__locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_drivers_base_class__double_registrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_rtnetlink__lock_on_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__chrdev_deregistration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__write_lock_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_sock__double_releaseErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_request__double_getErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__usb_gadget_registered_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_spinlock__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_request__double_putErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_irq__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_genhd__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_genhd__free_before_allocationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_sched__more_unlocksErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_fs_sysfs__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_arch_io__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_module__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_queue__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_srcu__locked_at_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_fs_char_dev__registered_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__double_write_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_bh__more_unlocksErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_usb_lock__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_mmc_sdio_func__release_without_claimErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_lib_idr__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_sched__locked_at_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_usb_lock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__double_usb_gadget_deregistrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_request__get_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_fs_char_dev__double_registrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_mmc_sdio_func__unreleased_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_lib_find_bit__offset_out_of_rangeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_srcu__more_unlocksErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_sched_completion__wait_without_initErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_genhd__delete_before_addErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_fs_sysfs__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_sched_completion__double_initErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_bh__locked_at_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_dev__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_mmc_sdio_func__wrong_paramsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__double_usb_gadget_registrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_urb__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_dev__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_mmc_sdio_func__double_claimErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_lib_idr__double_initErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_sched__locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_register__wrong_return_valueErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_spinlock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_genhd__double_allocationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_queue__double_allocationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_lib_idr__destroyed_before_usageErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__class_deregistration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_drivers_base_class__registered_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__chrdev_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_dev__probe_failedErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_coherent__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_bh__locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__more_read_unlocksErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_rtnetlink__double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_arch_io__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__read_lock_on_write_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_queue__use_before_allocationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_dev__unincremented_counter_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_sock__all_locked_sockets_must_be_releasedErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_register__wrong_return_valueErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 10:31:19,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 10:31:19,600 INFO L82 PathProgramCache]: Analyzing trace with hash 240427273, now seen corresponding path program 1 times [2019-10-07 10:31:19,607 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 10:31:19,607 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 10:31:19,607 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 10:31:19,607 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 10:31:19,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 10:31:20,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 10:31:20,538 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-07 10:31:20,538 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 10:31:20,539 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 10:31:20,539 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 10:31:20,543 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 10:31:20,557 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 10:31:20,558 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 10:31:20,560 INFO L87 Difference]: Start difference. First operand 3683 states. Second operand 5 states. [2019-10-07 10:31:21,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 10:31:21,096 INFO L93 Difference]: Finished difference Result 9042 states and 12456 transitions. [2019-10-07 10:31:21,096 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-07 10:31:21,098 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 57 [2019-10-07 10:31:21,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 10:31:21,155 INFO L225 Difference]: With dead ends: 9042 [2019-10-07 10:31:21,155 INFO L226 Difference]: Without dead ends: 5970 [2019-10-07 10:31:21,180 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-10-07 10:31:21,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5970 states. [2019-10-07 10:31:21,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5970 to 5865. [2019-10-07 10:31:21,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5865 states. [2019-10-07 10:31:21,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5865 states to 5865 states and 7528 transitions. [2019-10-07 10:31:21,551 INFO L78 Accepts]: Start accepts. Automaton has 5865 states and 7528 transitions. Word has length 57 [2019-10-07 10:31:21,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 10:31:21,552 INFO L462 AbstractCegarLoop]: Abstraction has 5865 states and 7528 transitions. [2019-10-07 10:31:21,552 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 10:31:21,552 INFO L276 IsEmpty]: Start isEmpty. Operand 5865 states and 7528 transitions. [2019-10-07 10:31:21,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2019-10-07 10:31:21,556 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 10:31:21,557 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:31:21,558 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_assert_linux_usb_coherent__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_fs_char_dev__double_deregistrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_lib_idr__not_initializedErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_rtnetlink__double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_irq__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_module__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_urb__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock__locked_at_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__double_write_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_srcu__locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock__more_unlocksErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__read_lock_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_drivers_base_class__double_deregistrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_genhd__use_before_allocationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock__locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_drivers_base_class__double_registrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_rtnetlink__lock_on_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__chrdev_deregistration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__write_lock_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_sock__double_releaseErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_request__double_getErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__usb_gadget_registered_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_spinlock__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_request__double_putErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_irq__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_genhd__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_genhd__free_before_allocationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_sched__more_unlocksErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_fs_sysfs__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_arch_io__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_module__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_queue__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_srcu__locked_at_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_fs_char_dev__registered_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__double_write_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_bh__more_unlocksErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_usb_lock__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_mmc_sdio_func__release_without_claimErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_lib_idr__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_sched__locked_at_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_usb_lock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__double_usb_gadget_deregistrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_request__get_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_fs_char_dev__double_registrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_mmc_sdio_func__unreleased_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_lib_find_bit__offset_out_of_rangeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_srcu__more_unlocksErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_sched_completion__wait_without_initErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_genhd__delete_before_addErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_fs_sysfs__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_sched_completion__double_initErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_bh__locked_at_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_dev__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_mmc_sdio_func__wrong_paramsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__double_usb_gadget_registrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_urb__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_dev__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_mmc_sdio_func__double_claimErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_lib_idr__double_initErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_sched__locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_register__wrong_return_valueErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_spinlock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_genhd__double_allocationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_queue__double_allocationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_lib_idr__destroyed_before_usageErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__class_deregistration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_drivers_base_class__registered_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__chrdev_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_dev__probe_failedErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_coherent__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_bh__locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__more_read_unlocksErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_rtnetlink__double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_arch_io__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__read_lock_on_write_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_queue__use_before_allocationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_dev__unincremented_counter_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_sock__all_locked_sockets_must_be_releasedErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_register__wrong_return_valueErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 10:31:21,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 10:31:21,559 INFO L82 PathProgramCache]: Analyzing trace with hash -536821061, now seen corresponding path program 1 times [2019-10-07 10:31:21,559 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 10:31:21,559 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 10:31:21,560 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 10:31:21,560 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 10:31:21,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 10:31:21,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 10:31:21,930 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-10-07 10:31:21,930 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 10:31:21,931 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 10:31:21,931 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 10:31:21,933 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 10:31:21,934 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 10:31:21,934 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 10:31:21,934 INFO L87 Difference]: Start difference. First operand 5865 states and 7528 transitions. Second operand 5 states. [2019-10-07 10:31:22,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 10:31:22,238 INFO L93 Difference]: Finished difference Result 5865 states and 7528 transitions. [2019-10-07 10:31:22,239 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-07 10:31:22,239 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 69 [2019-10-07 10:31:22,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 10:31:22,305 INFO L225 Difference]: With dead ends: 5865 [2019-10-07 10:31:22,305 INFO L226 Difference]: Without dead ends: 5863 [2019-10-07 10:31:22,311 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-10-07 10:31:22,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5863 states. [2019-10-07 10:31:22,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5863 to 5863. [2019-10-07 10:31:22,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5863 states. [2019-10-07 10:31:22,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5863 states to 5863 states and 7525 transitions. [2019-10-07 10:31:22,915 INFO L78 Accepts]: Start accepts. Automaton has 5863 states and 7525 transitions. Word has length 69 [2019-10-07 10:31:22,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 10:31:22,916 INFO L462 AbstractCegarLoop]: Abstraction has 5863 states and 7525 transitions. [2019-10-07 10:31:22,916 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 10:31:22,916 INFO L276 IsEmpty]: Start isEmpty. Operand 5863 states and 7525 transitions. [2019-10-07 10:31:22,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2019-10-07 10:31:22,923 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 10:31:22,924 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 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] [2019-10-07 10:31:22,930 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_assert_linux_usb_coherent__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_fs_char_dev__double_deregistrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_lib_idr__not_initializedErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_rtnetlink__double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_irq__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_module__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_urb__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock__locked_at_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__double_write_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_srcu__locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock__more_unlocksErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__read_lock_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_drivers_base_class__double_deregistrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_genhd__use_before_allocationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock__locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_drivers_base_class__double_registrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_rtnetlink__lock_on_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__chrdev_deregistration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__write_lock_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_sock__double_releaseErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_request__double_getErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__usb_gadget_registered_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_spinlock__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_request__double_putErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_irq__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_genhd__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_genhd__free_before_allocationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_sched__more_unlocksErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_fs_sysfs__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_arch_io__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_module__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_queue__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_srcu__locked_at_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_fs_char_dev__registered_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__double_write_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_bh__more_unlocksErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_usb_lock__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_mmc_sdio_func__release_without_claimErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_lib_idr__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_sched__locked_at_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_usb_lock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__double_usb_gadget_deregistrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_request__get_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_fs_char_dev__double_registrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_mmc_sdio_func__unreleased_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_lib_find_bit__offset_out_of_rangeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_srcu__more_unlocksErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_sched_completion__wait_without_initErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_genhd__delete_before_addErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_fs_sysfs__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_sched_completion__double_initErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_bh__locked_at_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_dev__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_mmc_sdio_func__wrong_paramsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__double_usb_gadget_registrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_urb__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_dev__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_mmc_sdio_func__double_claimErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_lib_idr__double_initErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_sched__locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_register__wrong_return_valueErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_spinlock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_genhd__double_allocationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_queue__double_allocationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_lib_idr__destroyed_before_usageErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__class_deregistration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_drivers_base_class__registered_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__chrdev_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_dev__probe_failedErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_coherent__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_bh__locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__more_read_unlocksErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_rtnetlink__double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_arch_io__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__read_lock_on_write_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_queue__use_before_allocationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_dev__unincremented_counter_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_sock__all_locked_sockets_must_be_releasedErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_register__wrong_return_valueErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 10:31:22,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 10:31:22,931 INFO L82 PathProgramCache]: Analyzing trace with hash -1416559689, now seen corresponding path program 1 times [2019-10-07 10:31:22,931 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 10:31:22,931 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 10:31:22,932 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 10:31:22,932 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 10:31:22,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 10:31:23,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 10:31:23,256 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-10-07 10:31:23,257 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 10:31:23,257 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 10:31:23,257 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 10:31:23,258 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 10:31:23,258 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 10:31:23,258 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 10:31:23,258 INFO L87 Difference]: Start difference. First operand 5863 states and 7525 transitions. Second operand 5 states. [2019-10-07 10:31:23,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 10:31:23,487 INFO L93 Difference]: Finished difference Result 5863 states and 7525 transitions. [2019-10-07 10:31:23,488 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-07 10:31:23,488 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 76 [2019-10-07 10:31:23,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 10:31:23,540 INFO L225 Difference]: With dead ends: 5863 [2019-10-07 10:31:23,541 INFO L226 Difference]: Without dead ends: 5861 [2019-10-07 10:31:23,546 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-10-07 10:31:23,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5861 states. [2019-10-07 10:31:23,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5861 to 5861. [2019-10-07 10:31:23,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5861 states. [2019-10-07 10:31:23,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5861 states to 5861 states and 7522 transitions. [2019-10-07 10:31:23,857 INFO L78 Accepts]: Start accepts. Automaton has 5861 states and 7522 transitions. Word has length 76 [2019-10-07 10:31:23,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 10:31:23,858 INFO L462 AbstractCegarLoop]: Abstraction has 5861 states and 7522 transitions. [2019-10-07 10:31:23,858 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 10:31:23,858 INFO L276 IsEmpty]: Start isEmpty. Operand 5861 states and 7522 transitions. [2019-10-07 10:31:23,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2019-10-07 10:31:23,861 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 10:31:23,861 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:31:23,862 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_assert_linux_usb_coherent__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_fs_char_dev__double_deregistrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_lib_idr__not_initializedErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_rtnetlink__double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_irq__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_module__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_urb__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock__locked_at_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__double_write_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_srcu__locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock__more_unlocksErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__read_lock_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_drivers_base_class__double_deregistrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_genhd__use_before_allocationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock__locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_drivers_base_class__double_registrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_rtnetlink__lock_on_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__chrdev_deregistration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__write_lock_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_sock__double_releaseErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_request__double_getErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__usb_gadget_registered_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_spinlock__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_request__double_putErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_irq__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_genhd__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_genhd__free_before_allocationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_sched__more_unlocksErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_fs_sysfs__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_arch_io__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_module__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_queue__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_srcu__locked_at_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_fs_char_dev__registered_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__double_write_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_bh__more_unlocksErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_usb_lock__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_mmc_sdio_func__release_without_claimErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_lib_idr__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_sched__locked_at_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_usb_lock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__double_usb_gadget_deregistrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_request__get_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_fs_char_dev__double_registrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_mmc_sdio_func__unreleased_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_lib_find_bit__offset_out_of_rangeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_srcu__more_unlocksErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_sched_completion__wait_without_initErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_genhd__delete_before_addErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_fs_sysfs__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_sched_completion__double_initErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_bh__locked_at_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_dev__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_mmc_sdio_func__wrong_paramsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__double_usb_gadget_registrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_urb__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_dev__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_mmc_sdio_func__double_claimErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_lib_idr__double_initErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_sched__locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_register__wrong_return_valueErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_spinlock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_genhd__double_allocationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_queue__double_allocationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_lib_idr__destroyed_before_usageErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__class_deregistration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_drivers_base_class__registered_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__chrdev_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_dev__probe_failedErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_coherent__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_bh__locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__more_read_unlocksErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_rtnetlink__double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_arch_io__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__read_lock_on_write_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_queue__use_before_allocationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_dev__unincremented_counter_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_sock__all_locked_sockets_must_be_releasedErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_register__wrong_return_valueErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 10:31:23,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 10:31:23,862 INFO L82 PathProgramCache]: Analyzing trace with hash -1576274269, now seen corresponding path program 1 times [2019-10-07 10:31:23,863 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 10:31:23,863 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 10:31:23,863 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 10:31:23,863 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 10:31:23,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 10:31:23,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 10:31:24,143 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-10-07 10:31:24,143 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 10:31:24,144 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 10:31:24,144 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 10:31:24,144 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 10:31:24,145 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 10:31:24,145 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 10:31:24,145 INFO L87 Difference]: Start difference. First operand 5861 states and 7522 transitions. Second operand 5 states. [2019-10-07 10:31:24,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 10:31:24,382 INFO L93 Difference]: Finished difference Result 5861 states and 7522 transitions. [2019-10-07 10:31:24,382 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-07 10:31:24,382 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 77 [2019-10-07 10:31:24,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 10:31:24,425 INFO L225 Difference]: With dead ends: 5861 [2019-10-07 10:31:24,425 INFO L226 Difference]: Without dead ends: 5859 [2019-10-07 10:31:24,430 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-10-07 10:31:24,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5859 states. [2019-10-07 10:31:24,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5859 to 5859. [2019-10-07 10:31:24,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5859 states. [2019-10-07 10:31:24,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5859 states to 5859 states and 7519 transitions. [2019-10-07 10:31:24,734 INFO L78 Accepts]: Start accepts. Automaton has 5859 states and 7519 transitions. Word has length 77 [2019-10-07 10:31:24,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 10:31:24,737 INFO L462 AbstractCegarLoop]: Abstraction has 5859 states and 7519 transitions. [2019-10-07 10:31:24,737 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 10:31:24,737 INFO L276 IsEmpty]: Start isEmpty. Operand 5859 states and 7519 transitions. [2019-10-07 10:31:24,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2019-10-07 10:31:24,738 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 10:31:24,738 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:31:24,744 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_assert_linux_usb_coherent__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_fs_char_dev__double_deregistrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_lib_idr__not_initializedErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_rtnetlink__double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_irq__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_module__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_urb__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock__locked_at_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__double_write_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_srcu__locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock__more_unlocksErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__read_lock_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_drivers_base_class__double_deregistrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_genhd__use_before_allocationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock__locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_drivers_base_class__double_registrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_rtnetlink__lock_on_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__chrdev_deregistration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__write_lock_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_sock__double_releaseErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_request__double_getErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__usb_gadget_registered_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_spinlock__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_request__double_putErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_irq__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_genhd__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_genhd__free_before_allocationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_sched__more_unlocksErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_fs_sysfs__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_arch_io__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_module__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_queue__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_srcu__locked_at_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_fs_char_dev__registered_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__double_write_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_bh__more_unlocksErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_usb_lock__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_mmc_sdio_func__release_without_claimErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_lib_idr__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_sched__locked_at_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_usb_lock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__double_usb_gadget_deregistrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_request__get_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_fs_char_dev__double_registrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_mmc_sdio_func__unreleased_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_lib_find_bit__offset_out_of_rangeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_srcu__more_unlocksErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_sched_completion__wait_without_initErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_genhd__delete_before_addErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_fs_sysfs__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_sched_completion__double_initErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_bh__locked_at_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_dev__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_mmc_sdio_func__wrong_paramsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__double_usb_gadget_registrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_urb__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_dev__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_mmc_sdio_func__double_claimErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_lib_idr__double_initErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_sched__locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_register__wrong_return_valueErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_spinlock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_genhd__double_allocationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_queue__double_allocationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_lib_idr__destroyed_before_usageErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__class_deregistration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_drivers_base_class__registered_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__chrdev_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_dev__probe_failedErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_coherent__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_bh__locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__more_read_unlocksErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_rtnetlink__double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_arch_io__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__read_lock_on_write_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_queue__use_before_allocationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_dev__unincremented_counter_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_sock__all_locked_sockets_must_be_releasedErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_register__wrong_return_valueErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 10:31:24,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 10:31:24,745 INFO L82 PathProgramCache]: Analyzing trace with hash 213144955, now seen corresponding path program 1 times [2019-10-07 10:31:24,745 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 10:31:24,745 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 10:31:24,745 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 10:31:24,745 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 10:31:24,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 10:31:24,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 10:31:25,082 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-10-07 10:31:25,082 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 10:31:25,082 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 10:31:25,083 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 10:31:25,083 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 10:31:25,084 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 10:31:25,085 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 10:31:25,085 INFO L87 Difference]: Start difference. First operand 5859 states and 7519 transitions. Second operand 5 states. [2019-10-07 10:31:25,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 10:31:25,339 INFO L93 Difference]: Finished difference Result 5859 states and 7519 transitions. [2019-10-07 10:31:25,339 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-07 10:31:25,339 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 85 [2019-10-07 10:31:25,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 10:31:25,386 INFO L225 Difference]: With dead ends: 5859 [2019-10-07 10:31:25,386 INFO L226 Difference]: Without dead ends: 5857 [2019-10-07 10:31:25,390 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-10-07 10:31:25,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5857 states. [2019-10-07 10:31:25,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5857 to 5857. [2019-10-07 10:31:25,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5857 states. [2019-10-07 10:31:25,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5857 states to 5857 states and 7516 transitions. [2019-10-07 10:31:25,837 INFO L78 Accepts]: Start accepts. Automaton has 5857 states and 7516 transitions. Word has length 85 [2019-10-07 10:31:25,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 10:31:25,839 INFO L462 AbstractCegarLoop]: Abstraction has 5857 states and 7516 transitions. [2019-10-07 10:31:25,839 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 10:31:25,840 INFO L276 IsEmpty]: Start isEmpty. Operand 5857 states and 7516 transitions. [2019-10-07 10:31:25,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2019-10-07 10:31:25,847 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 10:31:25,847 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 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] [2019-10-07 10:31:25,848 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_assert_linux_usb_coherent__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_fs_char_dev__double_deregistrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_lib_idr__not_initializedErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_rtnetlink__double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_irq__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_module__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_urb__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock__locked_at_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__double_write_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_srcu__locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock__more_unlocksErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__read_lock_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_drivers_base_class__double_deregistrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_genhd__use_before_allocationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock__locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_drivers_base_class__double_registrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_rtnetlink__lock_on_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__chrdev_deregistration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__write_lock_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_sock__double_releaseErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_request__double_getErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__usb_gadget_registered_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_spinlock__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_request__double_putErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_irq__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_genhd__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_genhd__free_before_allocationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_sched__more_unlocksErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_fs_sysfs__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_arch_io__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_module__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_queue__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_srcu__locked_at_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_fs_char_dev__registered_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__double_write_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_bh__more_unlocksErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_usb_lock__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_mmc_sdio_func__release_without_claimErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_lib_idr__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_sched__locked_at_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_usb_lock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__double_usb_gadget_deregistrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_request__get_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_fs_char_dev__double_registrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_mmc_sdio_func__unreleased_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_lib_find_bit__offset_out_of_rangeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_srcu__more_unlocksErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_sched_completion__wait_without_initErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_genhd__delete_before_addErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_fs_sysfs__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_sched_completion__double_initErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_bh__locked_at_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_dev__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_mmc_sdio_func__wrong_paramsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__double_usb_gadget_registrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_urb__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_dev__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_mmc_sdio_func__double_claimErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_lib_idr__double_initErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_sched__locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_register__wrong_return_valueErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_spinlock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_genhd__double_allocationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_queue__double_allocationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_lib_idr__destroyed_before_usageErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__class_deregistration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_drivers_base_class__registered_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__chrdev_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_dev__probe_failedErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_coherent__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_bh__locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__more_read_unlocksErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_rtnetlink__double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_arch_io__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__read_lock_on_write_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_queue__use_before_allocationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_dev__unincremented_counter_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_sock__all_locked_sockets_must_be_releasedErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_register__wrong_return_valueErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 10:31:25,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 10:31:25,848 INFO L82 PathProgramCache]: Analyzing trace with hash -739059522, now seen corresponding path program 1 times [2019-10-07 10:31:25,849 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 10:31:25,849 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 10:31:25,849 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 10:31:25,849 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 10:31:25,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 10:31:25,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 10:31:26,156 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-10-07 10:31:26,156 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 10:31:26,156 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 10:31:26,156 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-07 10:31:26,157 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 10:31:26,157 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 10:31:26,157 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-07 10:31:26,157 INFO L87 Difference]: Start difference. First operand 5857 states and 7516 transitions. Second operand 7 states. [2019-10-07 10:31:55,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 10:31:55,710 INFO L93 Difference]: Finished difference Result 7782 states and 9938 transitions. [2019-10-07 10:31:55,710 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-07 10:31:55,710 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 93 [2019-10-07 10:31:55,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 10:31:55,748 INFO L225 Difference]: With dead ends: 7782 [2019-10-07 10:31:55,748 INFO L226 Difference]: Without dead ends: 7489 [2019-10-07 10:31:55,752 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2019-10-07 10:31:55,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7489 states. [2019-10-07 10:31:56,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7489 to 6374. [2019-10-07 10:31:56,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6374 states. [2019-10-07 10:31:56,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6374 states to 6374 states and 8124 transitions. [2019-10-07 10:31:56,087 INFO L78 Accepts]: Start accepts. Automaton has 6374 states and 8124 transitions. Word has length 93 [2019-10-07 10:31:56,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 10:31:56,088 INFO L462 AbstractCegarLoop]: Abstraction has 6374 states and 8124 transitions. [2019-10-07 10:31:56,088 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 10:31:56,088 INFO L276 IsEmpty]: Start isEmpty. Operand 6374 states and 8124 transitions. [2019-10-07 10:31:56,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2019-10-07 10:31:56,092 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 10:31:56,092 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:31:56,093 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ldv_assert_linux_usb_coherent__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_fs_char_dev__double_deregistrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_lib_idr__not_initializedErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_rtnetlink__double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_irq__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_module__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_urb__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock__locked_at_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__double_write_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_srcu__locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock__more_unlocksErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__read_lock_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_drivers_base_class__double_deregistrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_genhd__use_before_allocationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock__locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_drivers_base_class__double_registrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_rtnetlink__lock_on_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__chrdev_deregistration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__write_lock_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_sock__double_releaseErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_request__double_getErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__usb_gadget_registered_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_spinlock__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_request__double_putErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_irq__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_genhd__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_genhd__free_before_allocationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_sched__more_unlocksErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_fs_sysfs__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_arch_io__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_module__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_queue__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_srcu__locked_at_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_fs_char_dev__registered_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__double_write_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_bh__more_unlocksErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_usb_lock__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_mmc_sdio_func__release_without_claimErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_lib_idr__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_sched__locked_at_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_usb_lock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__double_usb_gadget_deregistrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_request__get_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_fs_char_dev__double_registrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_mmc_sdio_func__unreleased_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_lib_find_bit__offset_out_of_rangeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_srcu__more_unlocksErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_sched_completion__wait_without_initErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_genhd__delete_before_addErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_fs_sysfs__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_sched_completion__double_initErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_bh__locked_at_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_dev__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_mmc_sdio_func__wrong_paramsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__double_usb_gadget_registrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_urb__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_dev__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_mmc_sdio_func__double_claimErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_lib_idr__double_initErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_sched__locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_register__wrong_return_valueErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_spinlock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_genhd__double_allocationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_queue__double_allocationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_lib_idr__destroyed_before_usageErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__class_deregistration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_drivers_base_class__registered_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__chrdev_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_dev__probe_failedErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_coherent__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_bh__locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__more_read_unlocksErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_rtnetlink__double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_arch_io__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__read_lock_on_write_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_queue__use_before_allocationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_dev__unincremented_counter_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_sock__all_locked_sockets_must_be_releasedErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_register__wrong_return_valueErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 10:31:56,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 10:31:56,093 INFO L82 PathProgramCache]: Analyzing trace with hash 1600768111, now seen corresponding path program 1 times [2019-10-07 10:31:56,093 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 10:31:56,093 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 10:31:56,093 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 10:31:56,094 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 10:31:56,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 10:31:56,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 10:31:56,330 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-10-07 10:31:56,330 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 10:31:56,330 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 10:31:56,330 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 10:31:56,332 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 10:31:56,332 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 10:31:56,332 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 10:31:56,332 INFO L87 Difference]: Start difference. First operand 6374 states and 8124 transitions. Second operand 5 states. [2019-10-07 10:31:56,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 10:31:56,579 INFO L93 Difference]: Finished difference Result 6374 states and 8124 transitions. [2019-10-07 10:31:56,579 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-07 10:31:56,579 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 93 [2019-10-07 10:31:56,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 10:31:56,622 INFO L225 Difference]: With dead ends: 6374 [2019-10-07 10:31:56,623 INFO L226 Difference]: Without dead ends: 6372 [2019-10-07 10:31:56,628 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-10-07 10:31:56,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6372 states. [2019-10-07 10:31:56,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6372 to 6372. [2019-10-07 10:31:56,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6372 states. [2019-10-07 10:31:56,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6372 states to 6372 states and 8121 transitions. [2019-10-07 10:31:56,962 INFO L78 Accepts]: Start accepts. Automaton has 6372 states and 8121 transitions. Word has length 93 [2019-10-07 10:31:56,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 10:31:56,964 INFO L462 AbstractCegarLoop]: Abstraction has 6372 states and 8121 transitions. [2019-10-07 10:31:56,964 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 10:31:56,964 INFO L276 IsEmpty]: Start isEmpty. Operand 6372 states and 8121 transitions. [2019-10-07 10:31:56,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2019-10-07 10:31:56,969 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 10:31:56,970 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 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] [2019-10-07 10:31:56,970 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ldv_assert_linux_usb_coherent__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_fs_char_dev__double_deregistrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_lib_idr__not_initializedErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_rtnetlink__double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_irq__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_module__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_urb__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock__locked_at_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__double_write_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_srcu__locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock__more_unlocksErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__read_lock_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_drivers_base_class__double_deregistrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_genhd__use_before_allocationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock__locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_drivers_base_class__double_registrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_rtnetlink__lock_on_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__chrdev_deregistration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__write_lock_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_sock__double_releaseErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_request__double_getErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__usb_gadget_registered_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_spinlock__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_request__double_putErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_irq__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_genhd__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_genhd__free_before_allocationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_sched__more_unlocksErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_fs_sysfs__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_arch_io__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_module__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_queue__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_srcu__locked_at_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_fs_char_dev__registered_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__double_write_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_bh__more_unlocksErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_usb_lock__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_mmc_sdio_func__release_without_claimErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_lib_idr__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_sched__locked_at_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_usb_lock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__double_usb_gadget_deregistrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_request__get_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_fs_char_dev__double_registrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_mmc_sdio_func__unreleased_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_lib_find_bit__offset_out_of_rangeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_srcu__more_unlocksErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_sched_completion__wait_without_initErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_genhd__delete_before_addErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_fs_sysfs__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_sched_completion__double_initErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_bh__locked_at_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_dev__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_mmc_sdio_func__wrong_paramsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__double_usb_gadget_registrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_urb__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_dev__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_mmc_sdio_func__double_claimErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_lib_idr__double_initErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_sched__locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_register__wrong_return_valueErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_spinlock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_genhd__double_allocationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_queue__double_allocationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_lib_idr__destroyed_before_usageErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__class_deregistration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_drivers_base_class__registered_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__chrdev_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_dev__probe_failedErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_coherent__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_bh__locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__more_read_unlocksErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_rtnetlink__double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_arch_io__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__read_lock_on_write_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_queue__use_before_allocationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_dev__unincremented_counter_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_sock__all_locked_sockets_must_be_releasedErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_register__wrong_return_valueErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 10:31:56,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 10:31:56,971 INFO L82 PathProgramCache]: Analyzing trace with hash -1782674523, now seen corresponding path program 1 times [2019-10-07 10:31:56,971 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 10:31:56,971 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 10:31:56,971 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 10:31:56,971 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 10:31:56,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 10:31:57,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 10:31:58,402 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-10-07 10:31:58,402 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 10:31:58,403 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 10:31:58,403 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2019-10-07 10:31:58,404 INFO L442 AbstractCegarLoop]: Interpolant automaton has 19 states [2019-10-07 10:31:58,404 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2019-10-07 10:31:58,404 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=307, Unknown=0, NotChecked=0, Total=342 [2019-10-07 10:31:58,404 INFO L87 Difference]: Start difference. First operand 6372 states and 8121 transitions. Second operand 19 states. [2019-10-07 10:31:59,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 10:31:59,957 INFO L93 Difference]: Finished difference Result 7368 states and 9230 transitions. [2019-10-07 10:31:59,957 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2019-10-07 10:31:59,957 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 97 [2019-10-07 10:31:59,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 10:31:59,990 INFO L225 Difference]: With dead ends: 7368 [2019-10-07 10:31:59,990 INFO L226 Difference]: Without dead ends: 6428 [2019-10-07 10:32:00,003 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=67, Invalid=635, Unknown=0, NotChecked=0, Total=702 [2019-10-07 10:32:00,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6428 states. [2019-10-07 10:32:00,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6428 to 6416. [2019-10-07 10:32:00,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6416 states. [2019-10-07 10:32:00,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6416 states to 6416 states and 8175 transitions. [2019-10-07 10:32:00,325 INFO L78 Accepts]: Start accepts. Automaton has 6416 states and 8175 transitions. Word has length 97 [2019-10-07 10:32:00,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 10:32:00,326 INFO L462 AbstractCegarLoop]: Abstraction has 6416 states and 8175 transitions. [2019-10-07 10:32:00,326 INFO L463 AbstractCegarLoop]: Interpolant automaton has 19 states. [2019-10-07 10:32:00,326 INFO L276 IsEmpty]: Start isEmpty. Operand 6416 states and 8175 transitions. [2019-10-07 10:32:00,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2019-10-07 10:32:00,328 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 10:32:00,328 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:32:00,329 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ldv_assert_linux_usb_coherent__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_fs_char_dev__double_deregistrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_lib_idr__not_initializedErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_rtnetlink__double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_irq__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_module__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_urb__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock__locked_at_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__double_write_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_srcu__locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock__more_unlocksErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__read_lock_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_drivers_base_class__double_deregistrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_genhd__use_before_allocationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock__locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_drivers_base_class__double_registrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_rtnetlink__lock_on_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__chrdev_deregistration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__write_lock_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_sock__double_releaseErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_request__double_getErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__usb_gadget_registered_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_spinlock__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_request__double_putErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_irq__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_genhd__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_genhd__free_before_allocationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_sched__more_unlocksErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_fs_sysfs__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_arch_io__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_module__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_queue__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_srcu__locked_at_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_fs_char_dev__registered_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__double_write_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_bh__more_unlocksErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_usb_lock__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_mmc_sdio_func__release_without_claimErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_lib_idr__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_sched__locked_at_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_usb_lock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__double_usb_gadget_deregistrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_request__get_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_fs_char_dev__double_registrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_mmc_sdio_func__unreleased_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_lib_find_bit__offset_out_of_rangeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_srcu__more_unlocksErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_sched_completion__wait_without_initErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_genhd__delete_before_addErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_fs_sysfs__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_sched_completion__double_initErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_bh__locked_at_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_dev__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_mmc_sdio_func__wrong_paramsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__double_usb_gadget_registrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_urb__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_dev__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_mmc_sdio_func__double_claimErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_lib_idr__double_initErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_sched__locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_register__wrong_return_valueErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_spinlock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_genhd__double_allocationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_queue__double_allocationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_lib_idr__destroyed_before_usageErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__class_deregistration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_drivers_base_class__registered_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__chrdev_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_dev__probe_failedErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_coherent__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_bh__locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__more_read_unlocksErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_rtnetlink__double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_arch_io__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__read_lock_on_write_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_queue__use_before_allocationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_dev__unincremented_counter_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_sock__all_locked_sockets_must_be_releasedErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_register__wrong_return_valueErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 10:32:00,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 10:32:00,329 INFO L82 PathProgramCache]: Analyzing trace with hash -676222923, now seen corresponding path program 1 times [2019-10-07 10:32:00,329 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 10:32:00,329 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 10:32:00,330 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 10:32:00,330 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 10:32:00,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 10:32:00,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 10:32:00,565 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-10-07 10:32:00,566 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 10:32:00,566 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 10:32:00,566 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-07 10:32:00,567 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-07 10:32:00,568 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-07 10:32:00,568 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-07 10:32:00,568 INFO L87 Difference]: Start difference. First operand 6416 states and 8175 transitions. Second operand 6 states. [2019-10-07 10:32:23,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 10:32:23,388 INFO L93 Difference]: Finished difference Result 7832 states and 9775 transitions. [2019-10-07 10:32:23,388 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-07 10:32:23,388 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 101 [2019-10-07 10:32:23,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 10:32:23,417 INFO L225 Difference]: With dead ends: 7832 [2019-10-07 10:32:23,418 INFO L226 Difference]: Without dead ends: 7830 [2019-10-07 10:32:23,422 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2019-10-07 10:32:23,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7830 states. [2019-10-07 10:32:23,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7830 to 7504. [2019-10-07 10:32:23,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7504 states. [2019-10-07 10:32:23,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7504 states to 7504 states and 9419 transitions. [2019-10-07 10:32:23,995 INFO L78 Accepts]: Start accepts. Automaton has 7504 states and 9419 transitions. Word has length 101 [2019-10-07 10:32:23,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 10:32:23,996 INFO L462 AbstractCegarLoop]: Abstraction has 7504 states and 9419 transitions. [2019-10-07 10:32:23,996 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-07 10:32:23,997 INFO L276 IsEmpty]: Start isEmpty. Operand 7504 states and 9419 transitions. [2019-10-07 10:32:23,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2019-10-07 10:32:23,998 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 10:32:23,998 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:32:23,999 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ldv_assert_linux_usb_coherent__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_fs_char_dev__double_deregistrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_lib_idr__not_initializedErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_rtnetlink__double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_irq__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_module__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_urb__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock__locked_at_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__double_write_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_srcu__locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock__more_unlocksErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__read_lock_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_drivers_base_class__double_deregistrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_genhd__use_before_allocationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock__locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_drivers_base_class__double_registrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_rtnetlink__lock_on_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__chrdev_deregistration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__write_lock_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_sock__double_releaseErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_request__double_getErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__usb_gadget_registered_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_spinlock__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_request__double_putErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_irq__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_genhd__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_genhd__free_before_allocationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_sched__more_unlocksErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_fs_sysfs__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_arch_io__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_module__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_queue__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_srcu__locked_at_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_fs_char_dev__registered_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__double_write_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_bh__more_unlocksErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_usb_lock__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_mmc_sdio_func__release_without_claimErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_lib_idr__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_sched__locked_at_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_usb_lock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__double_usb_gadget_deregistrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_request__get_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_fs_char_dev__double_registrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_mmc_sdio_func__unreleased_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_lib_find_bit__offset_out_of_rangeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_srcu__more_unlocksErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_sched_completion__wait_without_initErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_genhd__delete_before_addErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_fs_sysfs__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_sched_completion__double_initErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_bh__locked_at_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_dev__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_mmc_sdio_func__wrong_paramsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__double_usb_gadget_registrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_urb__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_dev__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_mmc_sdio_func__double_claimErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_lib_idr__double_initErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_sched__locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_register__wrong_return_valueErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_spinlock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_genhd__double_allocationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_queue__double_allocationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_lib_idr__destroyed_before_usageErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__class_deregistration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_drivers_base_class__registered_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__chrdev_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_dev__probe_failedErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_coherent__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_bh__locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__more_read_unlocksErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_rtnetlink__double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_arch_io__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__read_lock_on_write_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_queue__use_before_allocationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_dev__unincremented_counter_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_sock__all_locked_sockets_must_be_releasedErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_register__wrong_return_valueErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 10:32:23,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 10:32:23,999 INFO L82 PathProgramCache]: Analyzing trace with hash -889559624, now seen corresponding path program 1 times [2019-10-07 10:32:23,999 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 10:32:24,000 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 10:32:24,000 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 10:32:24,000 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 10:32:24,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 10:32:24,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 10:32:24,282 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-10-07 10:32:24,282 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 10:32:24,282 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 10:32:24,282 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-07 10:32:24,283 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-07 10:32:24,283 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-07 10:32:24,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-07 10:32:24,283 INFO L87 Difference]: Start difference. First operand 7504 states and 9419 transitions. Second operand 6 states. [2019-10-07 10:33:01,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 10:33:01,101 INFO L93 Difference]: Finished difference Result 8965 states and 11161 transitions. [2019-10-07 10:33:01,102 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-07 10:33:01,102 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 109 [2019-10-07 10:33:01,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 10:33:01,134 INFO L225 Difference]: With dead ends: 8965 [2019-10-07 10:33:01,135 INFO L226 Difference]: Without dead ends: 8963 [2019-10-07 10:33:01,138 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2019-10-07 10:33:01,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8963 states. [2019-10-07 10:33:01,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8963 to 8698. [2019-10-07 10:33:01,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8698 states. [2019-10-07 10:33:01,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8698 states to 8698 states and 10895 transitions. [2019-10-07 10:33:01,758 INFO L78 Accepts]: Start accepts. Automaton has 8698 states and 10895 transitions. Word has length 109 [2019-10-07 10:33:01,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 10:33:01,758 INFO L462 AbstractCegarLoop]: Abstraction has 8698 states and 10895 transitions. [2019-10-07 10:33:01,758 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-07 10:33:01,759 INFO L276 IsEmpty]: Start isEmpty. Operand 8698 states and 10895 transitions. [2019-10-07 10:33:01,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2019-10-07 10:33:01,760 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 10:33:01,760 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:33:01,761 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ldv_assert_linux_usb_coherent__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_fs_char_dev__double_deregistrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_lib_idr__not_initializedErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_rtnetlink__double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_irq__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_module__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_urb__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock__locked_at_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__double_write_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_srcu__locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock__more_unlocksErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__read_lock_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_drivers_base_class__double_deregistrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_genhd__use_before_allocationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock__locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_drivers_base_class__double_registrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_rtnetlink__lock_on_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__chrdev_deregistration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__write_lock_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_sock__double_releaseErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_request__double_getErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__usb_gadget_registered_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_spinlock__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_request__double_putErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_irq__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_genhd__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_genhd__free_before_allocationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_sched__more_unlocksErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_fs_sysfs__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_arch_io__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_module__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_queue__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_srcu__locked_at_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_fs_char_dev__registered_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__double_write_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_bh__more_unlocksErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_usb_lock__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_mmc_sdio_func__release_without_claimErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_lib_idr__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_sched__locked_at_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_usb_lock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__double_usb_gadget_deregistrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_request__get_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_fs_char_dev__double_registrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_mmc_sdio_func__unreleased_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_lib_find_bit__offset_out_of_rangeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_srcu__more_unlocksErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_sched_completion__wait_without_initErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_genhd__delete_before_addErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_fs_sysfs__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_sched_completion__double_initErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_bh__locked_at_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_dev__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_mmc_sdio_func__wrong_paramsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__double_usb_gadget_registrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_urb__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_dev__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_mmc_sdio_func__double_claimErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_lib_idr__double_initErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_sched__locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_register__wrong_return_valueErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_spinlock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_genhd__double_allocationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_queue__double_allocationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_lib_idr__destroyed_before_usageErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__class_deregistration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_drivers_base_class__registered_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__chrdev_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_dev__probe_failedErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_coherent__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_bh__locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__more_read_unlocksErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_rtnetlink__double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_arch_io__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__read_lock_on_write_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_queue__use_before_allocationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_dev__unincremented_counter_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_sock__all_locked_sockets_must_be_releasedErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_register__wrong_return_valueErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 10:33:01,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 10:33:01,761 INFO L82 PathProgramCache]: Analyzing trace with hash 1768375248, now seen corresponding path program 1 times [2019-10-07 10:33:01,762 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 10:33:01,762 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 10:33:01,762 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 10:33:01,762 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 10:33:01,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 10:33:01,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 10:33:01,968 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-10-07 10:33:01,968 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 10:33:01,968 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 10:33:01,968 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 10:33:01,969 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 10:33:01,969 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 10:33:01,969 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 10:33:01,969 INFO L87 Difference]: Start difference. First operand 8698 states and 10895 transitions. Second operand 5 states. [2019-10-07 10:33:02,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 10:33:02,335 INFO L93 Difference]: Finished difference Result 8698 states and 10895 transitions. [2019-10-07 10:33:02,336 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-07 10:33:02,336 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 117 [2019-10-07 10:33:02,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 10:33:02,377 INFO L225 Difference]: With dead ends: 8698 [2019-10-07 10:33:02,377 INFO L226 Difference]: Without dead ends: 8696 [2019-10-07 10:33:02,382 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-10-07 10:33:02,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8696 states. [2019-10-07 10:33:02,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8696 to 8696. [2019-10-07 10:33:02,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8696 states. [2019-10-07 10:33:02,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8696 states to 8696 states and 10892 transitions. [2019-10-07 10:33:02,836 INFO L78 Accepts]: Start accepts. Automaton has 8696 states and 10892 transitions. Word has length 117 [2019-10-07 10:33:02,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 10:33:02,837 INFO L462 AbstractCegarLoop]: Abstraction has 8696 states and 10892 transitions. [2019-10-07 10:33:02,837 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 10:33:02,837 INFO L276 IsEmpty]: Start isEmpty. Operand 8696 states and 10892 transitions. [2019-10-07 10:33:02,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2019-10-07 10:33:02,839 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 10:33:02,839 INFO L385 BasicCegarLoop]: trace histogram [6, 6, 3, 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] [2019-10-07 10:33:02,839 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ldv_assert_linux_usb_coherent__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_fs_char_dev__double_deregistrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_lib_idr__not_initializedErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_rtnetlink__double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_irq__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_module__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_urb__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock__locked_at_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__double_write_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_srcu__locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock__more_unlocksErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__read_lock_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_drivers_base_class__double_deregistrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_genhd__use_before_allocationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock__locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_drivers_base_class__double_registrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_rtnetlink__lock_on_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__chrdev_deregistration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__write_lock_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_sock__double_releaseErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_request__double_getErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__usb_gadget_registered_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_spinlock__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_request__double_putErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_irq__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_genhd__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_genhd__free_before_allocationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_sched__more_unlocksErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_fs_sysfs__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_arch_io__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_module__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_queue__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_srcu__locked_at_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_fs_char_dev__registered_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__double_write_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_bh__more_unlocksErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_usb_lock__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_mmc_sdio_func__release_without_claimErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_lib_idr__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_sched__locked_at_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_usb_lock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__double_usb_gadget_deregistrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_request__get_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_fs_char_dev__double_registrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_mmc_sdio_func__unreleased_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_lib_find_bit__offset_out_of_rangeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_srcu__more_unlocksErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_sched_completion__wait_without_initErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_genhd__delete_before_addErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_fs_sysfs__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_sched_completion__double_initErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_bh__locked_at_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_dev__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_mmc_sdio_func__wrong_paramsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__double_usb_gadget_registrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_urb__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_dev__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_mmc_sdio_func__double_claimErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_lib_idr__double_initErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_sched__locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_register__wrong_return_valueErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_spinlock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_genhd__double_allocationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_queue__double_allocationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_lib_idr__destroyed_before_usageErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__class_deregistration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_drivers_base_class__registered_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__chrdev_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_dev__probe_failedErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_coherent__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_bh__locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__more_read_unlocksErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_rtnetlink__double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_arch_io__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__read_lock_on_write_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_queue__use_before_allocationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_dev__unincremented_counter_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_sock__all_locked_sockets_must_be_releasedErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_register__wrong_return_valueErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 10:33:02,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 10:33:02,840 INFO L82 PathProgramCache]: Analyzing trace with hash -2142951060, now seen corresponding path program 1 times [2019-10-07 10:33:02,840 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 10:33:02,840 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 10:33:02,840 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 10:33:02,840 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 10:33:02,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 10:33:02,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 10:33:03,284 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2019-10-07 10:33:03,285 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 10:33:03,285 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 10:33:03,285 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2019-10-07 10:33:03,286 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-10-07 10:33:03,286 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-10-07 10:33:03,287 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=183, Unknown=0, NotChecked=0, Total=210 [2019-10-07 10:33:03,287 INFO L87 Difference]: Start difference. First operand 8696 states and 10892 transitions. Second operand 15 states. [2019-10-07 10:33:04,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 10:33:04,036 INFO L93 Difference]: Finished difference Result 10070 states and 12427 transitions. [2019-10-07 10:33:04,037 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-10-07 10:33:04,037 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 121 [2019-10-07 10:33:04,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 10:33:04,068 INFO L225 Difference]: With dead ends: 10070 [2019-10-07 10:33:04,068 INFO L226 Difference]: Without dead ends: 8539 [2019-10-07 10:33:04,077 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2019-10-07 10:33:04,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8539 states. [2019-10-07 10:33:04,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8539 to 8539. [2019-10-07 10:33:04,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8539 states. [2019-10-07 10:33:04,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8539 states to 8539 states and 10692 transitions. [2019-10-07 10:33:04,738 INFO L78 Accepts]: Start accepts. Automaton has 8539 states and 10692 transitions. Word has length 121 [2019-10-07 10:33:04,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 10:33:04,741 INFO L462 AbstractCegarLoop]: Abstraction has 8539 states and 10692 transitions. [2019-10-07 10:33:04,741 INFO L463 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-10-07 10:33:04,741 INFO L276 IsEmpty]: Start isEmpty. Operand 8539 states and 10692 transitions. [2019-10-07 10:33:04,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2019-10-07 10:33:04,744 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 10:33:04,744 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:33:04,744 INFO L410 AbstractCegarLoop]: === Iteration 13 === [ldv_assert_linux_usb_coherent__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_fs_char_dev__double_deregistrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_lib_idr__not_initializedErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_rtnetlink__double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_irq__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_module__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_urb__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock__locked_at_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__double_write_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_srcu__locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock__more_unlocksErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__read_lock_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_drivers_base_class__double_deregistrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_genhd__use_before_allocationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock__locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_drivers_base_class__double_registrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_rtnetlink__lock_on_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__chrdev_deregistration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__write_lock_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_sock__double_releaseErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_request__double_getErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__usb_gadget_registered_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_spinlock__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_request__double_putErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_irq__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_genhd__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_genhd__free_before_allocationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_sched__more_unlocksErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_fs_sysfs__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_arch_io__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_module__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_queue__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_srcu__locked_at_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_fs_char_dev__registered_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__double_write_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_bh__more_unlocksErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_usb_lock__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_mmc_sdio_func__release_without_claimErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_lib_idr__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_sched__locked_at_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_usb_lock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__double_usb_gadget_deregistrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_request__get_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_fs_char_dev__double_registrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_mmc_sdio_func__unreleased_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_lib_find_bit__offset_out_of_rangeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_srcu__more_unlocksErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_sched_completion__wait_without_initErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_genhd__delete_before_addErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_fs_sysfs__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_sched_completion__double_initErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_bh__locked_at_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_dev__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_mmc_sdio_func__wrong_paramsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__double_usb_gadget_registrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_urb__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_dev__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_mmc_sdio_func__double_claimErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_lib_idr__double_initErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_sched__locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_register__wrong_return_valueErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_spinlock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_genhd__double_allocationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_queue__double_allocationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_lib_idr__destroyed_before_usageErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__class_deregistration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_drivers_base_class__registered_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__chrdev_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_dev__probe_failedErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_coherent__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_bh__locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__more_read_unlocksErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_rtnetlink__double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_arch_io__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__read_lock_on_write_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_queue__use_before_allocationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_dev__unincremented_counter_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_sock__all_locked_sockets_must_be_releasedErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_register__wrong_return_valueErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 10:33:04,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 10:33:04,745 INFO L82 PathProgramCache]: Analyzing trace with hash -1585243891, now seen corresponding path program 1 times [2019-10-07 10:33:04,745 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 10:33:04,745 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 10:33:04,745 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 10:33:04,745 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 10:33:04,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 10:33:04,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 10:33:04,993 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-10-07 10:33:04,993 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 10:33:04,994 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 10:33:04,994 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-07 10:33:04,995 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-07 10:33:04,996 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-07 10:33:04,996 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-07 10:33:04,997 INFO L87 Difference]: Start difference. First operand 8539 states and 10692 transitions. Second operand 6 states. [2019-10-07 10:33:31,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 10:33:31,061 INFO L93 Difference]: Finished difference Result 15173 states and 19427 transitions. [2019-10-07 10:33:31,061 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-07 10:33:31,062 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 125 [2019-10-07 10:33:31,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 10:33:31,123 INFO L225 Difference]: With dead ends: 15173 [2019-10-07 10:33:31,123 INFO L226 Difference]: Without dead ends: 15171 [2019-10-07 10:33:31,129 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2019-10-07 10:33:31,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15171 states. [2019-10-07 10:33:31,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15171 to 14505. [2019-10-07 10:33:31,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14505 states. [2019-10-07 10:33:31,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14505 states to 14505 states and 18524 transitions. [2019-10-07 10:33:31,814 INFO L78 Accepts]: Start accepts. Automaton has 14505 states and 18524 transitions. Word has length 125 [2019-10-07 10:33:31,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 10:33:31,814 INFO L462 AbstractCegarLoop]: Abstraction has 14505 states and 18524 transitions. [2019-10-07 10:33:31,814 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-07 10:33:31,814 INFO L276 IsEmpty]: Start isEmpty. Operand 14505 states and 18524 transitions. [2019-10-07 10:33:31,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2019-10-07 10:33:31,816 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 10:33:31,816 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:33:31,816 INFO L410 AbstractCegarLoop]: === Iteration 14 === [ldv_assert_linux_usb_coherent__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_fs_char_dev__double_deregistrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_lib_idr__not_initializedErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_rtnetlink__double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_irq__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_module__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_urb__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock__locked_at_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__double_write_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_srcu__locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock__more_unlocksErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__read_lock_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_drivers_base_class__double_deregistrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_genhd__use_before_allocationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock__locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_drivers_base_class__double_registrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_rtnetlink__lock_on_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__chrdev_deregistration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__write_lock_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_sock__double_releaseErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_request__double_getErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__usb_gadget_registered_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_spinlock__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_request__double_putErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_irq__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_genhd__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_genhd__free_before_allocationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_sched__more_unlocksErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_fs_sysfs__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_arch_io__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_module__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_queue__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_srcu__locked_at_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_fs_char_dev__registered_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__double_write_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_bh__more_unlocksErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_usb_lock__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_mmc_sdio_func__release_without_claimErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_lib_idr__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_sched__locked_at_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_usb_lock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__double_usb_gadget_deregistrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_request__get_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_fs_char_dev__double_registrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_mmc_sdio_func__unreleased_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_lib_find_bit__offset_out_of_rangeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_srcu__more_unlocksErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_sched_completion__wait_without_initErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_genhd__delete_before_addErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_fs_sysfs__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_sched_completion__double_initErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_bh__locked_at_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_dev__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_mmc_sdio_func__wrong_paramsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__double_usb_gadget_registrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_urb__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_dev__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_mmc_sdio_func__double_claimErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_lib_idr__double_initErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_sched__locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_register__wrong_return_valueErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_spinlock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_genhd__double_allocationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_queue__double_allocationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_lib_idr__destroyed_before_usageErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__class_deregistration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_drivers_base_class__registered_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__chrdev_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_dev__probe_failedErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_coherent__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_bh__locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__more_read_unlocksErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_rtnetlink__double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_arch_io__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__read_lock_on_write_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_queue__use_before_allocationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_dev__unincremented_counter_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_sock__all_locked_sockets_must_be_releasedErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_register__wrong_return_valueErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 10:33:31,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 10:33:31,817 INFO L82 PathProgramCache]: Analyzing trace with hash -1130550197, now seen corresponding path program 1 times [2019-10-07 10:33:31,817 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 10:33:31,817 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 10:33:31,817 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 10:33:31,817 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 10:33:31,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 10:33:31,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 10:33:32,019 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-10-07 10:33:32,020 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 10:33:32,020 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 10:33:32,020 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-07 10:33:32,021 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-07 10:33:32,021 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-07 10:33:32,022 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-07 10:33:32,022 INFO L87 Difference]: Start difference. First operand 14505 states and 18524 transitions. Second operand 6 states. [2019-10-07 10:33:48,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 10:33:48,435 INFO L93 Difference]: Finished difference Result 14789 states and 18822 transitions. [2019-10-07 10:33:48,436 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-07 10:33:48,436 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 130 [2019-10-07 10:33:48,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 10:33:48,479 INFO L225 Difference]: With dead ends: 14789 [2019-10-07 10:33:48,480 INFO L226 Difference]: Without dead ends: 14787 [2019-10-07 10:33:48,485 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-10-07 10:33:48,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14787 states. [2019-10-07 10:33:49,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14787 to 14771. [2019-10-07 10:33:49,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14771 states. [2019-10-07 10:33:49,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14771 states to 14771 states and 18799 transitions. [2019-10-07 10:33:49,208 INFO L78 Accepts]: Start accepts. Automaton has 14771 states and 18799 transitions. Word has length 130 [2019-10-07 10:33:49,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 10:33:49,209 INFO L462 AbstractCegarLoop]: Abstraction has 14771 states and 18799 transitions. [2019-10-07 10:33:49,209 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-07 10:33:49,209 INFO L276 IsEmpty]: Start isEmpty. Operand 14771 states and 18799 transitions. [2019-10-07 10:33:49,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2019-10-07 10:33:49,210 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 10:33:49,211 INFO L385 BasicCegarLoop]: trace histogram [6, 6, 3, 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] [2019-10-07 10:33:49,211 INFO L410 AbstractCegarLoop]: === Iteration 15 === [ldv_assert_linux_usb_coherent__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_fs_char_dev__double_deregistrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_lib_idr__not_initializedErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_rtnetlink__double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_irq__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_module__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_urb__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock__locked_at_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__double_write_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_srcu__locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock__more_unlocksErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__read_lock_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_drivers_base_class__double_deregistrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_genhd__use_before_allocationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock__locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_drivers_base_class__double_registrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_rtnetlink__lock_on_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__chrdev_deregistration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__write_lock_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_sock__double_releaseErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_request__double_getErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__usb_gadget_registered_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_spinlock__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_request__double_putErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_irq__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_genhd__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_genhd__free_before_allocationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_sched__more_unlocksErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_fs_sysfs__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_arch_io__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_module__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_queue__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_srcu__locked_at_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_fs_char_dev__registered_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__double_write_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_bh__more_unlocksErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_usb_lock__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_mmc_sdio_func__release_without_claimErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_lib_idr__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_sched__locked_at_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_usb_lock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__double_usb_gadget_deregistrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_request__get_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_fs_char_dev__double_registrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_mmc_sdio_func__unreleased_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_lib_find_bit__offset_out_of_rangeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_srcu__more_unlocksErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_sched_completion__wait_without_initErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_genhd__delete_before_addErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_fs_sysfs__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_sched_completion__double_initErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_bh__locked_at_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_dev__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_mmc_sdio_func__wrong_paramsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__double_usb_gadget_registrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_urb__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_dev__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_mmc_sdio_func__double_claimErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_lib_idr__double_initErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_sched__locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_register__wrong_return_valueErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_spinlock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_genhd__double_allocationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_queue__double_allocationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_lib_idr__destroyed_before_usageErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__class_deregistration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_drivers_base_class__registered_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__chrdev_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_dev__probe_failedErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_coherent__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_bh__locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__more_read_unlocksErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_rtnetlink__double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_arch_io__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__read_lock_on_write_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_queue__use_before_allocationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_dev__unincremented_counter_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_sock__all_locked_sockets_must_be_releasedErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_register__wrong_return_valueErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 10:33:49,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 10:33:49,212 INFO L82 PathProgramCache]: Analyzing trace with hash 844907368, now seen corresponding path program 1 times [2019-10-07 10:33:49,212 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 10:33:49,212 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 10:33:49,212 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 10:33:49,212 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 10:33:49,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 10:33:49,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 10:33:49,410 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2019-10-07 10:33:49,411 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 10:33:49,411 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 10:33:49,411 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 10:33:49,411 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 10:33:49,412 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 10:33:49,412 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 10:33:49,412 INFO L87 Difference]: Start difference. First operand 14771 states and 18799 transitions. Second operand 5 states. [2019-10-07 10:33:49,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 10:33:49,890 INFO L93 Difference]: Finished difference Result 15133 states and 19183 transitions. [2019-10-07 10:33:49,891 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-07 10:33:49,891 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 128 [2019-10-07 10:33:49,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 10:33:49,947 INFO L225 Difference]: With dead ends: 15133 [2019-10-07 10:33:49,947 INFO L226 Difference]: Without dead ends: 15131 [2019-10-07 10:33:49,955 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-10-07 10:33:49,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15131 states. [2019-10-07 10:33:50,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15131 to 14769. [2019-10-07 10:33:50,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14769 states. [2019-10-07 10:33:50,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14769 states to 14769 states and 18795 transitions. [2019-10-07 10:33:50,798 INFO L78 Accepts]: Start accepts. Automaton has 14769 states and 18795 transitions. Word has length 128 [2019-10-07 10:33:50,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 10:33:50,798 INFO L462 AbstractCegarLoop]: Abstraction has 14769 states and 18795 transitions. [2019-10-07 10:33:50,798 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 10:33:50,799 INFO L276 IsEmpty]: Start isEmpty. Operand 14769 states and 18795 transitions. [2019-10-07 10:33:50,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2019-10-07 10:33:50,800 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 10:33:50,801 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:33:50,801 INFO L410 AbstractCegarLoop]: === Iteration 16 === [ldv_assert_linux_usb_coherent__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_fs_char_dev__double_deregistrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_lib_idr__not_initializedErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_rtnetlink__double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_irq__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_module__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_urb__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock__locked_at_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__double_write_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_srcu__locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock__more_unlocksErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__read_lock_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_drivers_base_class__double_deregistrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_genhd__use_before_allocationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock__locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_drivers_base_class__double_registrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_rtnetlink__lock_on_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__chrdev_deregistration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__write_lock_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_sock__double_releaseErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_request__double_getErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__usb_gadget_registered_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_spinlock__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_request__double_putErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_irq__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_genhd__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_genhd__free_before_allocationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_sched__more_unlocksErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_fs_sysfs__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_arch_io__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_module__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_queue__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_srcu__locked_at_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_fs_char_dev__registered_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__double_write_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_bh__more_unlocksErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_usb_lock__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_mmc_sdio_func__release_without_claimErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_lib_idr__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_sched__locked_at_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_usb_lock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__double_usb_gadget_deregistrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_request__get_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_fs_char_dev__double_registrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_mmc_sdio_func__unreleased_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_lib_find_bit__offset_out_of_rangeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_srcu__more_unlocksErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_sched_completion__wait_without_initErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_genhd__delete_before_addErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_fs_sysfs__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_sched_completion__double_initErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_bh__locked_at_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_dev__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_mmc_sdio_func__wrong_paramsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__double_usb_gadget_registrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_urb__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_dev__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_mmc_sdio_func__double_claimErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_lib_idr__double_initErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_sched__locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_register__wrong_return_valueErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_spinlock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_genhd__double_allocationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_queue__double_allocationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_lib_idr__destroyed_before_usageErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__class_deregistration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_drivers_base_class__registered_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__chrdev_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_dev__probe_failedErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_coherent__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_bh__locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__more_read_unlocksErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_rtnetlink__double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_arch_io__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__read_lock_on_write_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_queue__use_before_allocationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_dev__unincremented_counter_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_sock__all_locked_sockets_must_be_releasedErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_register__wrong_return_valueErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 10:33:50,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 10:33:50,802 INFO L82 PathProgramCache]: Analyzing trace with hash -1423070683, now seen corresponding path program 1 times [2019-10-07 10:33:50,802 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 10:33:50,802 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 10:33:50,802 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 10:33:50,802 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 10:33:50,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 10:33:50,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 10:33:51,010 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-10-07 10:33:51,010 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 10:33:51,011 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 10:33:51,011 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-07 10:33:51,012 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-07 10:33:51,012 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-07 10:33:51,012 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-07 10:33:51,012 INFO L87 Difference]: Start difference. First operand 14769 states and 18795 transitions. Second operand 6 states. [2019-10-07 10:34:16,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 10:34:16,942 INFO L93 Difference]: Finished difference Result 30663 states and 40667 transitions. [2019-10-07 10:34:16,948 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-07 10:34:16,948 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 138 [2019-10-07 10:34:16,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 10:34:17,033 INFO L225 Difference]: With dead ends: 30663 [2019-10-07 10:34:17,033 INFO L226 Difference]: Without dead ends: 30661 [2019-10-07 10:34:17,043 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2019-10-07 10:34:17,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30661 states. [2019-10-07 10:34:18,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30661 to 30342. [2019-10-07 10:34:18,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30342 states. [2019-10-07 10:34:18,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30342 states to 30342 states and 40326 transitions. [2019-10-07 10:34:18,613 INFO L78 Accepts]: Start accepts. Automaton has 30342 states and 40326 transitions. Word has length 138 [2019-10-07 10:34:18,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 10:34:18,613 INFO L462 AbstractCegarLoop]: Abstraction has 30342 states and 40326 transitions. [2019-10-07 10:34:18,614 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-07 10:34:18,614 INFO L276 IsEmpty]: Start isEmpty. Operand 30342 states and 40326 transitions. [2019-10-07 10:34:18,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2019-10-07 10:34:18,616 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 10:34:18,616 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:34:18,616 INFO L410 AbstractCegarLoop]: === Iteration 17 === [ldv_assert_linux_usb_coherent__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_fs_char_dev__double_deregistrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_lib_idr__not_initializedErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_rtnetlink__double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_irq__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_module__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_urb__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock__locked_at_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__double_write_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_srcu__locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock__more_unlocksErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__read_lock_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_drivers_base_class__double_deregistrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_genhd__use_before_allocationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock__locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_drivers_base_class__double_registrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_rtnetlink__lock_on_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__chrdev_deregistration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__write_lock_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_sock__double_releaseErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_request__double_getErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__usb_gadget_registered_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_spinlock__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_request__double_putErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_irq__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_genhd__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_genhd__free_before_allocationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_sched__more_unlocksErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_fs_sysfs__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_arch_io__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_module__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_queue__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_srcu__locked_at_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_fs_char_dev__registered_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__double_write_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_bh__more_unlocksErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_usb_lock__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_mmc_sdio_func__release_without_claimErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_lib_idr__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_sched__locked_at_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_usb_lock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__double_usb_gadget_deregistrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_request__get_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_fs_char_dev__double_registrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_mmc_sdio_func__unreleased_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_lib_find_bit__offset_out_of_rangeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_srcu__more_unlocksErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_sched_completion__wait_without_initErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_genhd__delete_before_addErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_fs_sysfs__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_sched_completion__double_initErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_bh__locked_at_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_dev__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_mmc_sdio_func__wrong_paramsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__double_usb_gadget_registrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_urb__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_dev__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_mmc_sdio_func__double_claimErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_lib_idr__double_initErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_sched__locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_register__wrong_return_valueErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_spinlock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_genhd__double_allocationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_queue__double_allocationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_lib_idr__destroyed_before_usageErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__class_deregistration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_drivers_base_class__registered_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__chrdev_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_dev__probe_failedErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_coherent__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_bh__locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__more_read_unlocksErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_rtnetlink__double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_arch_io__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__read_lock_on_write_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_queue__use_before_allocationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_dev__unincremented_counter_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_sock__all_locked_sockets_must_be_releasedErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_register__wrong_return_valueErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 10:34:18,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 10:34:18,617 INFO L82 PathProgramCache]: Analyzing trace with hash 1915845765, now seen corresponding path program 1 times [2019-10-07 10:34:18,617 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 10:34:18,617 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 10:34:18,617 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 10:34:18,617 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 10:34:18,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 10:34:18,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 10:34:18,798 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-10-07 10:34:18,798 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 10:34:18,798 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 10:34:18,798 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 10:34:18,799 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 10:34:18,799 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 10:34:18,799 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 10:34:18,800 INFO L87 Difference]: Start difference. First operand 30342 states and 40326 transitions. Second operand 5 states. [2019-10-07 10:34:19,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 10:34:19,944 INFO L93 Difference]: Finished difference Result 30342 states and 40326 transitions. [2019-10-07 10:34:19,945 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-07 10:34:19,945 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 146 [2019-10-07 10:34:19,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 10:34:20,025 INFO L225 Difference]: With dead ends: 30342 [2019-10-07 10:34:20,026 INFO L226 Difference]: Without dead ends: 30340 [2019-10-07 10:34:20,038 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-10-07 10:34:20,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30340 states. [2019-10-07 10:34:21,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30340 to 30340. [2019-10-07 10:34:21,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30340 states. [2019-10-07 10:34:21,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30340 states to 30340 states and 40323 transitions. [2019-10-07 10:34:21,604 INFO L78 Accepts]: Start accepts. Automaton has 30340 states and 40323 transitions. Word has length 146 [2019-10-07 10:34:21,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 10:34:21,605 INFO L462 AbstractCegarLoop]: Abstraction has 30340 states and 40323 transitions. [2019-10-07 10:34:21,605 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 10:34:21,605 INFO L276 IsEmpty]: Start isEmpty. Operand 30340 states and 40323 transitions. [2019-10-07 10:34:21,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2019-10-07 10:34:21,606 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 10:34:21,606 INFO L385 BasicCegarLoop]: trace histogram [7, 7, 3, 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] [2019-10-07 10:34:21,607 INFO L410 AbstractCegarLoop]: === Iteration 18 === [ldv_assert_linux_usb_coherent__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_fs_char_dev__double_deregistrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_lib_idr__not_initializedErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_rtnetlink__double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_irq__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_module__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_urb__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock__locked_at_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__double_write_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_srcu__locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock__more_unlocksErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__read_lock_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_drivers_base_class__double_deregistrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_genhd__use_before_allocationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock__locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_drivers_base_class__double_registrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_rtnetlink__lock_on_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__chrdev_deregistration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__write_lock_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_sock__double_releaseErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_request__double_getErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__usb_gadget_registered_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_spinlock__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_request__double_putErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_irq__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_genhd__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_genhd__free_before_allocationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_sched__more_unlocksErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_fs_sysfs__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_arch_io__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_module__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_queue__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_srcu__locked_at_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_fs_char_dev__registered_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__double_write_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_bh__more_unlocksErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_usb_lock__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_mmc_sdio_func__release_without_claimErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_lib_idr__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_sched__locked_at_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_usb_lock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__double_usb_gadget_deregistrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_request__get_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_fs_char_dev__double_registrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_mmc_sdio_func__unreleased_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_lib_find_bit__offset_out_of_rangeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_srcu__more_unlocksErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_sched_completion__wait_without_initErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_genhd__delete_before_addErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_fs_sysfs__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_sched_completion__double_initErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_bh__locked_at_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_dev__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_mmc_sdio_func__wrong_paramsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__double_usb_gadget_registrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_urb__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_dev__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_mmc_sdio_func__double_claimErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_lib_idr__double_initErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_sched__locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_register__wrong_return_valueErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_spinlock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_genhd__double_allocationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_queue__double_allocationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_lib_idr__destroyed_before_usageErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__class_deregistration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_drivers_base_class__registered_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__chrdev_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_dev__probe_failedErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_coherent__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_bh__locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__more_read_unlocksErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_rtnetlink__double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_arch_io__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__read_lock_on_write_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_queue__use_before_allocationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_dev__unincremented_counter_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_sock__all_locked_sockets_must_be_releasedErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_register__wrong_return_valueErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 10:34:21,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 10:34:21,607 INFO L82 PathProgramCache]: Analyzing trace with hash -898927402, now seen corresponding path program 1 times [2019-10-07 10:34:21,607 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 10:34:21,607 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 10:34:21,607 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 10:34:21,608 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 10:34:21,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 10:34:21,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 10:34:21,842 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2019-10-07 10:34:21,842 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 10:34:21,843 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 10:34:21,843 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 10:34:21,844 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 10:34:21,844 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 10:34:21,844 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 10:34:21,844 INFO L87 Difference]: Start difference. First operand 30340 states and 40323 transitions. Second operand 5 states. [2019-10-07 10:34:22,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 10:34:22,984 INFO L93 Difference]: Finished difference Result 30340 states and 40323 transitions. [2019-10-07 10:34:22,985 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-07 10:34:22,985 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 146 [2019-10-07 10:34:22,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 10:34:23,063 INFO L225 Difference]: With dead ends: 30340 [2019-10-07 10:34:23,063 INFO L226 Difference]: Without dead ends: 30338 [2019-10-07 10:34:23,079 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-10-07 10:34:23,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30338 states. [2019-10-07 10:34:24,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30338 to 30338. [2019-10-07 10:34:24,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30338 states. [2019-10-07 10:34:24,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30338 states to 30338 states and 40312 transitions. [2019-10-07 10:34:24,571 INFO L78 Accepts]: Start accepts. Automaton has 30338 states and 40312 transitions. Word has length 146 [2019-10-07 10:34:24,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 10:34:24,571 INFO L462 AbstractCegarLoop]: Abstraction has 30338 states and 40312 transitions. [2019-10-07 10:34:24,571 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 10:34:24,571 INFO L276 IsEmpty]: Start isEmpty. Operand 30338 states and 40312 transitions. [2019-10-07 10:34:24,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2019-10-07 10:34:24,573 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 10:34:24,573 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:34:24,574 INFO L410 AbstractCegarLoop]: === Iteration 19 === [ldv_assert_linux_usb_coherent__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_fs_char_dev__double_deregistrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_lib_idr__not_initializedErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_rtnetlink__double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_irq__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_module__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_urb__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock__locked_at_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__double_write_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_srcu__locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock__more_unlocksErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__read_lock_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_drivers_base_class__double_deregistrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_genhd__use_before_allocationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock__locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_drivers_base_class__double_registrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_rtnetlink__lock_on_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__chrdev_deregistration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__write_lock_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_sock__double_releaseErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_request__double_getErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__usb_gadget_registered_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_spinlock__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_request__double_putErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_irq__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_genhd__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_genhd__free_before_allocationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_sched__more_unlocksErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_fs_sysfs__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_arch_io__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_module__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_queue__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_srcu__locked_at_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_fs_char_dev__registered_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__double_write_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_bh__more_unlocksErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_usb_lock__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_mmc_sdio_func__release_without_claimErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_lib_idr__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_sched__locked_at_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_usb_lock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__double_usb_gadget_deregistrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_request__get_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_fs_char_dev__double_registrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_mmc_sdio_func__unreleased_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_lib_find_bit__offset_out_of_rangeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_srcu__more_unlocksErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_sched_completion__wait_without_initErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_genhd__delete_before_addErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_fs_sysfs__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_sched_completion__double_initErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_bh__locked_at_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_dev__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_mmc_sdio_func__wrong_paramsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__double_usb_gadget_registrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_urb__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_dev__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_mmc_sdio_func__double_claimErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_lib_idr__double_initErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_sched__locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_register__wrong_return_valueErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_spinlock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_genhd__double_allocationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_queue__double_allocationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_lib_idr__destroyed_before_usageErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__class_deregistration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_drivers_base_class__registered_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__chrdev_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_dev__probe_failedErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_coherent__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_bh__locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__more_read_unlocksErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_rtnetlink__double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_arch_io__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__read_lock_on_write_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_queue__use_before_allocationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_dev__unincremented_counter_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_sock__all_locked_sockets_must_be_releasedErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_register__wrong_return_valueErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 10:34:24,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 10:34:24,574 INFO L82 PathProgramCache]: Analyzing trace with hash 8430295, now seen corresponding path program 1 times [2019-10-07 10:34:24,574 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 10:34:24,575 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 10:34:24,575 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 10:34:24,575 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 10:34:24,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 10:34:24,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 10:34:24,786 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-10-07 10:34:24,787 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 10:34:24,787 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 10:34:24,787 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 10:34:24,789 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 10:34:24,789 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 10:34:24,790 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 10:34:24,790 INFO L87 Difference]: Start difference. First operand 30338 states and 40312 transitions. Second operand 5 states. [2019-10-07 10:34:25,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 10:34:25,945 INFO L93 Difference]: Finished difference Result 30338 states and 40312 transitions. [2019-10-07 10:34:25,945 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-07 10:34:25,945 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 154 [2019-10-07 10:34:25,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 10:34:26,325 INFO L225 Difference]: With dead ends: 30338 [2019-10-07 10:34:26,325 INFO L226 Difference]: Without dead ends: 30336 [2019-10-07 10:34:26,333 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-10-07 10:34:26,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30336 states. [2019-10-07 10:34:27,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30336 to 30336. [2019-10-07 10:34:27,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30336 states. [2019-10-07 10:34:27,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30336 states to 30336 states and 40309 transitions. [2019-10-07 10:34:27,532 INFO L78 Accepts]: Start accepts. Automaton has 30336 states and 40309 transitions. Word has length 154 [2019-10-07 10:34:27,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 10:34:27,533 INFO L462 AbstractCegarLoop]: Abstraction has 30336 states and 40309 transitions. [2019-10-07 10:34:27,533 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 10:34:27,533 INFO L276 IsEmpty]: Start isEmpty. Operand 30336 states and 40309 transitions. [2019-10-07 10:34:27,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2019-10-07 10:34:27,534 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 10:34:27,534 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:34:27,535 INFO L410 AbstractCegarLoop]: === Iteration 20 === [ldv_assert_linux_usb_coherent__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_fs_char_dev__double_deregistrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_lib_idr__not_initializedErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_rtnetlink__double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_irq__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_module__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_urb__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock__locked_at_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__double_write_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_srcu__locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock__more_unlocksErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__read_lock_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_drivers_base_class__double_deregistrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_genhd__use_before_allocationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock__locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_drivers_base_class__double_registrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_rtnetlink__lock_on_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__chrdev_deregistration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__write_lock_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_sock__double_releaseErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_request__double_getErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__usb_gadget_registered_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_spinlock__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_request__double_putErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_irq__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_genhd__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_genhd__free_before_allocationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_sched__more_unlocksErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_fs_sysfs__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_arch_io__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_module__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_queue__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_srcu__locked_at_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_fs_char_dev__registered_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__double_write_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_bh__more_unlocksErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_usb_lock__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_mmc_sdio_func__release_without_claimErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_lib_idr__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_sched__locked_at_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_usb_lock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__double_usb_gadget_deregistrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_request__get_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_fs_char_dev__double_registrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_mmc_sdio_func__unreleased_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_lib_find_bit__offset_out_of_rangeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_srcu__more_unlocksErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_sched_completion__wait_without_initErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_genhd__delete_before_addErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_fs_sysfs__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_sched_completion__double_initErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_bh__locked_at_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_dev__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_mmc_sdio_func__wrong_paramsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__double_usb_gadget_registrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_urb__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_dev__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_mmc_sdio_func__double_claimErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_lib_idr__double_initErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_sched__locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_register__wrong_return_valueErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_spinlock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_genhd__double_allocationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_queue__double_allocationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_lib_idr__destroyed_before_usageErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__class_deregistration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_drivers_base_class__registered_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__chrdev_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_dev__probe_failedErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_coherent__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_bh__locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__more_read_unlocksErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_rtnetlink__double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_arch_io__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__read_lock_on_write_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_queue__use_before_allocationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_dev__unincremented_counter_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_sock__all_locked_sockets_must_be_releasedErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_register__wrong_return_valueErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 10:34:27,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 10:34:27,535 INFO L82 PathProgramCache]: Analyzing trace with hash -1776996786, now seen corresponding path program 1 times [2019-10-07 10:34:27,536 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 10:34:27,536 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 10:34:27,536 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 10:34:27,536 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 10:34:27,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 10:34:27,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 10:34:27,751 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-10-07 10:34:27,752 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 10:34:27,752 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 10:34:27,752 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-07 10:34:27,753 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-07 10:34:27,753 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-07 10:34:27,753 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-07 10:34:27,754 INFO L87 Difference]: Start difference. First operand 30336 states and 40309 transitions. Second operand 6 states. [2019-10-07 10:34:52,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 10:34:52,813 INFO L93 Difference]: Finished difference Result 54303 states and 78164 transitions. [2019-10-07 10:34:52,814 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-07 10:34:52,814 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 162 [2019-10-07 10:34:52,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 10:34:52,977 INFO L225 Difference]: With dead ends: 54303 [2019-10-07 10:34:52,977 INFO L226 Difference]: Without dead ends: 54301 [2019-10-07 10:34:52,998 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2019-10-07 10:34:53,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54301 states. [2019-10-07 10:34:55,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54301 to 52071. [2019-10-07 10:34:55,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52071 states. [2019-10-07 10:34:55,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52071 states to 52071 states and 74169 transitions. [2019-10-07 10:34:55,710 INFO L78 Accepts]: Start accepts. Automaton has 52071 states and 74169 transitions. Word has length 162 [2019-10-07 10:34:55,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 10:34:55,711 INFO L462 AbstractCegarLoop]: Abstraction has 52071 states and 74169 transitions. [2019-10-07 10:34:55,711 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-07 10:34:55,711 INFO L276 IsEmpty]: Start isEmpty. Operand 52071 states and 74169 transitions. [2019-10-07 10:34:55,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2019-10-07 10:34:55,713 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 10:34:55,713 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:34:55,713 INFO L410 AbstractCegarLoop]: === Iteration 21 === [ldv_assert_linux_usb_coherent__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_fs_char_dev__double_deregistrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_lib_idr__not_initializedErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_rtnetlink__double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_irq__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_module__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_urb__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock__locked_at_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__double_write_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_srcu__locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock__more_unlocksErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__read_lock_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_drivers_base_class__double_deregistrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_genhd__use_before_allocationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock__locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_drivers_base_class__double_registrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_rtnetlink__lock_on_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__chrdev_deregistration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__write_lock_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_sock__double_releaseErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_request__double_getErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__usb_gadget_registered_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_spinlock__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_request__double_putErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_irq__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_genhd__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_genhd__free_before_allocationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_sched__more_unlocksErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_fs_sysfs__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_arch_io__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_module__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_queue__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_srcu__locked_at_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_fs_char_dev__registered_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__double_write_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_bh__more_unlocksErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_usb_lock__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_mmc_sdio_func__release_without_claimErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_lib_idr__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_sched__locked_at_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_usb_lock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__double_usb_gadget_deregistrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_request__get_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_fs_char_dev__double_registrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_mmc_sdio_func__unreleased_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_lib_find_bit__offset_out_of_rangeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_srcu__more_unlocksErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_sched_completion__wait_without_initErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_genhd__delete_before_addErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_fs_sysfs__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_sched_completion__double_initErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_bh__locked_at_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_dev__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_mmc_sdio_func__wrong_paramsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__double_usb_gadget_registrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_urb__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_dev__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_mmc_sdio_func__double_claimErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_lib_idr__double_initErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_sched__locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_register__wrong_return_valueErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_spinlock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_genhd__double_allocationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_queue__double_allocationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_lib_idr__destroyed_before_usageErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__class_deregistration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_drivers_base_class__registered_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__chrdev_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_dev__probe_failedErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_coherent__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_bh__locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__more_read_unlocksErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_rtnetlink__double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_arch_io__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__read_lock_on_write_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_queue__use_before_allocationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_dev__unincremented_counter_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_sock__all_locked_sockets_must_be_releasedErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_register__wrong_return_valueErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 10:34:55,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 10:34:55,714 INFO L82 PathProgramCache]: Analyzing trace with hash 140834615, now seen corresponding path program 1 times [2019-10-07 10:34:55,714 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 10:34:55,714 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 10:34:55,714 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 10:34:55,714 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 10:34:55,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 10:34:55,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 10:34:55,903 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-10-07 10:34:55,903 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 10:34:55,903 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 10:34:55,903 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 10:34:55,905 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 10:34:55,905 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 10:34:55,905 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 10:34:55,905 INFO L87 Difference]: Start difference. First operand 52071 states and 74169 transitions. Second operand 5 states. [2019-10-07 10:34:58,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 10:34:58,042 INFO L93 Difference]: Finished difference Result 52071 states and 74169 transitions. [2019-10-07 10:34:58,042 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-07 10:34:58,042 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 170 [2019-10-07 10:34:58,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 10:34:58,287 INFO L225 Difference]: With dead ends: 52071 [2019-10-07 10:34:58,287 INFO L226 Difference]: Without dead ends: 52069 [2019-10-07 10:34:58,323 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-10-07 10:34:58,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52069 states. [2019-10-07 10:35:00,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52069 to 52069. [2019-10-07 10:35:00,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52069 states. [2019-10-07 10:35:01,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52069 states to 52069 states and 74166 transitions. [2019-10-07 10:35:01,158 INFO L78 Accepts]: Start accepts. Automaton has 52069 states and 74166 transitions. Word has length 170 [2019-10-07 10:35:01,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 10:35:01,159 INFO L462 AbstractCegarLoop]: Abstraction has 52069 states and 74166 transitions. [2019-10-07 10:35:01,159 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 10:35:01,159 INFO L276 IsEmpty]: Start isEmpty. Operand 52069 states and 74166 transitions. [2019-10-07 10:35:01,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2019-10-07 10:35:01,162 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 10:35:01,163 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:35:01,163 INFO L410 AbstractCegarLoop]: === Iteration 22 === [ldv_assert_linux_usb_coherent__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_fs_char_dev__double_deregistrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_lib_idr__not_initializedErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_rtnetlink__double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_irq__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_module__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_urb__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock__locked_at_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__double_write_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_srcu__locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock__more_unlocksErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__read_lock_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_drivers_base_class__double_deregistrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_genhd__use_before_allocationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock__locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_drivers_base_class__double_registrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_rtnetlink__lock_on_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__chrdev_deregistration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__write_lock_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_sock__double_releaseErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_request__double_getErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__usb_gadget_registered_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_spinlock__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_request__double_putErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_irq__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_genhd__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_genhd__free_before_allocationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_sched__more_unlocksErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_fs_sysfs__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_arch_io__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_module__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_queue__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_srcu__locked_at_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_fs_char_dev__registered_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__double_write_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_bh__more_unlocksErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_usb_lock__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_mmc_sdio_func__release_without_claimErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_lib_idr__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_sched__locked_at_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_usb_lock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__double_usb_gadget_deregistrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_request__get_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_fs_char_dev__double_registrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_mmc_sdio_func__unreleased_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_lib_find_bit__offset_out_of_rangeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_srcu__more_unlocksErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_sched_completion__wait_without_initErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_genhd__delete_before_addErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_fs_sysfs__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_sched_completion__double_initErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_bh__locked_at_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_dev__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_mmc_sdio_func__wrong_paramsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__double_usb_gadget_registrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_urb__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_dev__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_mmc_sdio_func__double_claimErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_lib_idr__double_initErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_sched__locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_register__wrong_return_valueErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_spinlock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_genhd__double_allocationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_queue__double_allocationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_lib_idr__destroyed_before_usageErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__class_deregistration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_drivers_base_class__registered_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__chrdev_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_dev__probe_failedErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_coherent__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_bh__locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__more_read_unlocksErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_rtnetlink__double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_arch_io__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__read_lock_on_write_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_queue__use_before_allocationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_dev__unincremented_counter_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_sock__all_locked_sockets_must_be_releasedErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_register__wrong_return_valueErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 10:35:01,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 10:35:01,164 INFO L82 PathProgramCache]: Analyzing trace with hash -766803265, now seen corresponding path program 1 times [2019-10-07 10:35:01,164 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 10:35:01,164 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 10:35:01,164 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 10:35:01,164 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 10:35:01,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 10:35:01,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 10:35:01,411 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-10-07 10:35:01,411 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 10:35:01,411 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 10:35:01,411 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-07 10:35:01,412 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-07 10:35:01,413 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-07 10:35:01,413 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-07 10:35:01,413 INFO L87 Difference]: Start difference. First operand 52069 states and 74166 transitions. Second operand 6 states. [2019-10-07 10:35:31,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 10:35:31,441 INFO L93 Difference]: Finished difference Result 83696 states and 127945 transitions. [2019-10-07 10:35:31,444 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-07 10:35:31,444 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 178 [2019-10-07 10:35:31,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 10:35:31,794 INFO L225 Difference]: With dead ends: 83696 [2019-10-07 10:35:31,794 INFO L226 Difference]: Without dead ends: 83694 [2019-10-07 10:35:31,829 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2019-10-07 10:35:31,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83694 states. [2019-10-07 10:35:35,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83694 to 77818. [2019-10-07 10:35:35,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77818 states. [2019-10-07 10:35:36,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77818 states to 77818 states and 115148 transitions. [2019-10-07 10:35:36,214 INFO L78 Accepts]: Start accepts. Automaton has 77818 states and 115148 transitions. Word has length 178 [2019-10-07 10:35:36,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 10:35:36,215 INFO L462 AbstractCegarLoop]: Abstraction has 77818 states and 115148 transitions. [2019-10-07 10:35:36,215 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-07 10:35:36,215 INFO L276 IsEmpty]: Start isEmpty. Operand 77818 states and 115148 transitions. [2019-10-07 10:35:36,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2019-10-07 10:35:36,217 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 10:35:36,218 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 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] [2019-10-07 10:35:36,218 INFO L410 AbstractCegarLoop]: === Iteration 23 === [ldv_assert_linux_usb_coherent__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_fs_char_dev__double_deregistrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_lib_idr__not_initializedErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_rtnetlink__double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_irq__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_module__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_urb__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock__locked_at_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__double_write_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_srcu__locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock__more_unlocksErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__read_lock_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_drivers_base_class__double_deregistrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_genhd__use_before_allocationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock__locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_drivers_base_class__double_registrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_rtnetlink__lock_on_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__chrdev_deregistration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__write_lock_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_sock__double_releaseErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_request__double_getErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__usb_gadget_registered_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_spinlock__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_request__double_putErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_irq__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_genhd__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_genhd__free_before_allocationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_sched__more_unlocksErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_fs_sysfs__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_arch_io__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_module__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_queue__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_srcu__locked_at_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_fs_char_dev__registered_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__double_write_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_bh__more_unlocksErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_usb_lock__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_mmc_sdio_func__release_without_claimErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_lib_idr__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_sched__locked_at_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_usb_lock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__double_usb_gadget_deregistrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_request__get_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_fs_char_dev__double_registrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_mmc_sdio_func__unreleased_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_lib_find_bit__offset_out_of_rangeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_srcu__more_unlocksErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_sched_completion__wait_without_initErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_genhd__delete_before_addErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_fs_sysfs__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_sched_completion__double_initErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_bh__locked_at_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_dev__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_mmc_sdio_func__wrong_paramsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__double_usb_gadget_registrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_urb__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_dev__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_mmc_sdio_func__double_claimErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_lib_idr__double_initErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_sched__locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_register__wrong_return_valueErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_spinlock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_genhd__double_allocationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_queue__double_allocationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_lib_idr__destroyed_before_usageErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__class_deregistration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_drivers_base_class__registered_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__chrdev_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_dev__probe_failedErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_coherent__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_bh__locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__more_read_unlocksErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_rtnetlink__double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_arch_io__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__read_lock_on_write_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_queue__use_before_allocationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_dev__unincremented_counter_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_sock__all_locked_sockets_must_be_releasedErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_register__wrong_return_valueErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 10:35:36,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 10:35:36,219 INFO L82 PathProgramCache]: Analyzing trace with hash 43011064, now seen corresponding path program 1 times [2019-10-07 10:35:36,219 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 10:35:36,219 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 10:35:36,219 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 10:35:36,219 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 10:35:36,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 10:35:36,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 10:35:36,425 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-10-07 10:35:36,425 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 10:35:36,425 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 10:35:36,426 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-07 10:35:36,426 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-07 10:35:36,426 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-07 10:35:36,427 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-07 10:35:36,427 INFO L87 Difference]: Start difference. First operand 77818 states and 115148 transitions. Second operand 6 states. [2019-10-07 10:36:09,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 10:36:09,511 INFO L93 Difference]: Finished difference Result 151058 states and 251459 transitions. [2019-10-07 10:36:09,511 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-07 10:36:09,512 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 183 [2019-10-07 10:36:09,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 10:36:10,086 INFO L225 Difference]: With dead ends: 151058 [2019-10-07 10:36:10,086 INFO L226 Difference]: Without dead ends: 151056 [2019-10-07 10:36:10,142 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2019-10-07 10:36:10,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151056 states. [2019-10-07 10:36:24,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151056 to 145530. [2019-10-07 10:36:24,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145530 states. [2019-10-07 10:36:25,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145530 states to 145530 states and 239158 transitions. [2019-10-07 10:36:25,369 INFO L78 Accepts]: Start accepts. Automaton has 145530 states and 239158 transitions. Word has length 183 [2019-10-07 10:36:25,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 10:36:25,369 INFO L462 AbstractCegarLoop]: Abstraction has 145530 states and 239158 transitions. [2019-10-07 10:36:25,369 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-07 10:36:25,369 INFO L276 IsEmpty]: Start isEmpty. Operand 145530 states and 239158 transitions. [2019-10-07 10:36:25,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2019-10-07 10:36:25,373 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 10:36:25,374 INFO L385 BasicCegarLoop]: trace histogram [8, 8, 3, 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] [2019-10-07 10:36:25,376 INFO L410 AbstractCegarLoop]: === Iteration 24 === [ldv_assert_linux_usb_coherent__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_fs_char_dev__double_deregistrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_lib_idr__not_initializedErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_rtnetlink__double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_irq__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_module__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_urb__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock__locked_at_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__double_write_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_srcu__locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock__more_unlocksErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__read_lock_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_drivers_base_class__double_deregistrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_genhd__use_before_allocationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock__locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_drivers_base_class__double_registrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_rtnetlink__lock_on_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__chrdev_deregistration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__write_lock_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_sock__double_releaseErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_request__double_getErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__usb_gadget_registered_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_spinlock__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_request__double_putErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_irq__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_genhd__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_genhd__free_before_allocationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_sched__more_unlocksErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_fs_sysfs__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_arch_io__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_module__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_queue__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_srcu__locked_at_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_fs_char_dev__registered_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__double_write_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_bh__more_unlocksErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_usb_lock__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_mmc_sdio_func__release_without_claimErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_lib_idr__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_sched__locked_at_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_usb_lock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__double_usb_gadget_deregistrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_request__get_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_fs_char_dev__double_registrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_mmc_sdio_func__unreleased_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_lib_find_bit__offset_out_of_rangeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_srcu__more_unlocksErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_sched_completion__wait_without_initErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_genhd__delete_before_addErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_fs_sysfs__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_sched_completion__double_initErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_bh__locked_at_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_dev__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_mmc_sdio_func__wrong_paramsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__double_usb_gadget_registrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_urb__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_dev__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_mmc_sdio_func__double_claimErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_lib_idr__double_initErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_sched__locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_register__wrong_return_valueErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_spinlock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_genhd__double_allocationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_queue__double_allocationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_lib_idr__destroyed_before_usageErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__class_deregistration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_drivers_base_class__registered_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__chrdev_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_dev__probe_failedErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_coherent__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_bh__locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__more_read_unlocksErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_rtnetlink__double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_arch_io__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__read_lock_on_write_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_queue__use_before_allocationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_dev__unincremented_counter_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_sock__all_locked_sockets_must_be_releasedErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_register__wrong_return_valueErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 10:36:25,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 10:36:25,377 INFO L82 PathProgramCache]: Analyzing trace with hash 382982428, now seen corresponding path program 1 times [2019-10-07 10:36:25,377 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 10:36:25,377 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 10:36:25,377 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 10:36:25,377 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 10:36:25,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 10:36:25,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 10:36:25,585 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2019-10-07 10:36:25,585 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 10:36:25,585 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 10:36:25,585 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 10:36:25,586 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 10:36:25,586 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 10:36:25,586 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 10:36:25,587 INFO L87 Difference]: Start difference. First operand 145530 states and 239158 transitions. Second operand 5 states. [2019-10-07 10:36:36,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 10:36:36,667 INFO L93 Difference]: Finished difference Result 146356 states and 240189 transitions. [2019-10-07 10:36:36,667 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 10:36:36,667 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 185 [2019-10-07 10:36:36,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 10:36:37,230 INFO L225 Difference]: With dead ends: 146356 [2019-10-07 10:36:37,230 INFO L226 Difference]: Without dead ends: 146354 [2019-10-07 10:36:37,292 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-10-07 10:36:37,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146354 states. [2019-10-07 10:36:50,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146354 to 146274. [2019-10-07 10:36:50,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146274 states. [2019-10-07 10:36:51,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146274 states to 146274 states and 240090 transitions. [2019-10-07 10:36:51,304 INFO L78 Accepts]: Start accepts. Automaton has 146274 states and 240090 transitions. Word has length 185 [2019-10-07 10:36:51,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 10:36:51,304 INFO L462 AbstractCegarLoop]: Abstraction has 146274 states and 240090 transitions. [2019-10-07 10:36:51,305 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 10:36:51,305 INFO L276 IsEmpty]: Start isEmpty. Operand 146274 states and 240090 transitions. [2019-10-07 10:36:51,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2019-10-07 10:36:51,307 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 10:36:51,308 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 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] [2019-10-07 10:36:51,308 INFO L410 AbstractCegarLoop]: === Iteration 25 === [ldv_assert_linux_usb_coherent__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_fs_char_dev__double_deregistrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_lib_idr__not_initializedErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_rtnetlink__double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_irq__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_module__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_urb__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock__locked_at_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__double_write_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_srcu__locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock__more_unlocksErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__read_lock_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_drivers_base_class__double_deregistrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_genhd__use_before_allocationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock__locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_drivers_base_class__double_registrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_rtnetlink__lock_on_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__chrdev_deregistration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__write_lock_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_sock__double_releaseErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_request__double_getErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__usb_gadget_registered_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_spinlock__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_request__double_putErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_irq__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_genhd__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_genhd__free_before_allocationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_sched__more_unlocksErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_fs_sysfs__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_arch_io__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_module__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_queue__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_srcu__locked_at_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_fs_char_dev__registered_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__double_write_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_bh__more_unlocksErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_usb_lock__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_mmc_sdio_func__release_without_claimErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_lib_idr__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_sched__locked_at_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_usb_lock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__double_usb_gadget_deregistrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_request__get_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_fs_char_dev__double_registrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_mmc_sdio_func__unreleased_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_lib_find_bit__offset_out_of_rangeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_srcu__more_unlocksErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_sched_completion__wait_without_initErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_genhd__delete_before_addErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_fs_sysfs__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_sched_completion__double_initErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_bh__locked_at_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_dev__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_mmc_sdio_func__wrong_paramsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__double_usb_gadget_registrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_urb__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_dev__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_mmc_sdio_func__double_claimErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_lib_idr__double_initErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_sched__locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_register__wrong_return_valueErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_spinlock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_genhd__double_allocationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_queue__double_allocationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_lib_idr__destroyed_before_usageErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__class_deregistration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_drivers_base_class__registered_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__chrdev_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_dev__probe_failedErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_coherent__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_bh__locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__more_read_unlocksErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_rtnetlink__double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_arch_io__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__read_lock_on_write_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_queue__use_before_allocationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_dev__unincremented_counter_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_sock__all_locked_sockets_must_be_releasedErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_register__wrong_return_valueErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 10:36:51,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 10:36:51,309 INFO L82 PathProgramCache]: Analyzing trace with hash 1952912947, now seen corresponding path program 1 times [2019-10-07 10:36:51,309 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 10:36:51,309 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 10:36:51,309 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 10:36:51,310 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 10:36:51,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 10:36:51,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 10:36:51,516 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-10-07 10:36:51,517 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 10:36:51,517 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 10:36:51,517 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 10:36:51,518 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 10:36:51,518 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 10:36:51,518 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 10:36:51,518 INFO L87 Difference]: Start difference. First operand 146274 states and 240090 transitions. Second operand 5 states. [2019-10-07 10:37:02,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 10:37:02,844 INFO L93 Difference]: Finished difference Result 146274 states and 240090 transitions. [2019-10-07 10:37:02,844 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-07 10:37:02,844 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 191 [2019-10-07 10:37:02,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 10:37:03,363 INFO L225 Difference]: With dead ends: 146274 [2019-10-07 10:37:03,363 INFO L226 Difference]: Without dead ends: 146272 [2019-10-07 10:37:03,416 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-10-07 10:37:03,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146272 states. [2019-10-07 10:37:12,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146272 to 146272. [2019-10-07 10:37:12,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146272 states. [2019-10-07 10:37:13,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146272 states to 146272 states and 240087 transitions. [2019-10-07 10:37:13,361 INFO L78 Accepts]: Start accepts. Automaton has 146272 states and 240087 transitions. Word has length 191 [2019-10-07 10:37:13,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 10:37:13,362 INFO L462 AbstractCegarLoop]: Abstraction has 146272 states and 240087 transitions. [2019-10-07 10:37:13,362 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 10:37:13,362 INFO L276 IsEmpty]: Start isEmpty. Operand 146272 states and 240087 transitions. [2019-10-07 10:37:13,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2019-10-07 10:37:13,365 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 10:37:13,366 INFO L385 BasicCegarLoop]: trace histogram [8, 8, 3, 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] [2019-10-07 10:37:13,366 INFO L410 AbstractCegarLoop]: === Iteration 26 === [ldv_assert_linux_usb_coherent__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_fs_char_dev__double_deregistrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_lib_idr__not_initializedErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_rtnetlink__double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_irq__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_module__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_urb__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock__locked_at_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__double_write_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_srcu__locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock__more_unlocksErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__read_lock_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_drivers_base_class__double_deregistrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_genhd__use_before_allocationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock__locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_drivers_base_class__double_registrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_rtnetlink__lock_on_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__chrdev_deregistration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__write_lock_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_sock__double_releaseErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_request__double_getErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__usb_gadget_registered_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_spinlock__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_request__double_putErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_irq__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_genhd__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_genhd__free_before_allocationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_sched__more_unlocksErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_fs_sysfs__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_arch_io__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_module__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_queue__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_srcu__locked_at_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_fs_char_dev__registered_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__double_write_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_bh__more_unlocksErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_usb_lock__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_mmc_sdio_func__release_without_claimErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_lib_idr__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_sched__locked_at_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_usb_lock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__double_usb_gadget_deregistrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_request__get_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_fs_char_dev__double_registrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_mmc_sdio_func__unreleased_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_lib_find_bit__offset_out_of_rangeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_srcu__more_unlocksErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_sched_completion__wait_without_initErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_genhd__delete_before_addErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_fs_sysfs__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_sched_completion__double_initErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_bh__locked_at_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_dev__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_mmc_sdio_func__wrong_paramsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__double_usb_gadget_registrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_urb__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_dev__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_mmc_sdio_func__double_claimErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_lib_idr__double_initErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_sched__locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_register__wrong_return_valueErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_spinlock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_genhd__double_allocationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_queue__double_allocationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_lib_idr__destroyed_before_usageErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__class_deregistration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_drivers_base_class__registered_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__chrdev_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_dev__probe_failedErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_coherent__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_bh__locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__more_read_unlocksErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_rtnetlink__double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_arch_io__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__read_lock_on_write_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_queue__use_before_allocationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_dev__unincremented_counter_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_sock__all_locked_sockets_must_be_releasedErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_register__wrong_return_valueErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 10:37:13,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 10:37:13,367 INFO L82 PathProgramCache]: Analyzing trace with hash 1936577698, now seen corresponding path program 1 times [2019-10-07 10:37:13,367 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 10:37:13,367 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 10:37:13,367 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 10:37:13,367 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 10:37:13,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 10:37:13,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 10:37:14,594 WARN L191 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 4 [2019-10-07 10:37:14,629 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2019-10-07 10:37:14,629 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 10:37:14,629 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 10:37:14,630 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 10:37:14,632 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 10:37:14,633 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 10:37:14,634 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 10:37:14,634 INFO L87 Difference]: Start difference. First operand 146272 states and 240087 transitions. Second operand 5 states. [2019-10-07 10:37:25,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 10:37:25,127 INFO L93 Difference]: Finished difference Result 146272 states and 240087 transitions. [2019-10-07 10:37:25,127 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-07 10:37:25,127 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 193 [2019-10-07 10:37:25,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 10:37:25,675 INFO L225 Difference]: With dead ends: 146272 [2019-10-07 10:37:25,675 INFO L226 Difference]: Without dead ends: 146270 [2019-10-07 10:37:25,733 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-10-07 10:37:25,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146270 states. [2019-10-07 10:37:35,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146270 to 146270. [2019-10-07 10:37:35,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146270 states. [2019-10-07 10:37:37,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146270 states to 146270 states and 240042 transitions. [2019-10-07 10:37:37,225 INFO L78 Accepts]: Start accepts. Automaton has 146270 states and 240042 transitions. Word has length 193 [2019-10-07 10:37:37,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 10:37:37,226 INFO L462 AbstractCegarLoop]: Abstraction has 146270 states and 240042 transitions. [2019-10-07 10:37:37,226 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 10:37:37,226 INFO L276 IsEmpty]: Start isEmpty. Operand 146270 states and 240042 transitions. [2019-10-07 10:37:37,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2019-10-07 10:37:37,229 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 10:37:37,229 INFO L385 BasicCegarLoop]: trace histogram [7, 7, 4, 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] [2019-10-07 10:37:37,230 INFO L410 AbstractCegarLoop]: === Iteration 27 === [ldv_assert_linux_usb_coherent__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_fs_char_dev__double_deregistrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_lib_idr__not_initializedErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_rtnetlink__double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_irq__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_module__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_urb__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock__locked_at_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__double_write_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_srcu__locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock__more_unlocksErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__read_lock_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_drivers_base_class__double_deregistrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_genhd__use_before_allocationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock__locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_drivers_base_class__double_registrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_rtnetlink__lock_on_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__chrdev_deregistration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__write_lock_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_sock__double_releaseErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_request__double_getErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__usb_gadget_registered_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_spinlock__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_request__double_putErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_irq__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_genhd__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_genhd__free_before_allocationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_sched__more_unlocksErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_fs_sysfs__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_arch_io__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_module__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_queue__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_srcu__locked_at_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_fs_char_dev__registered_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__double_write_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_bh__more_unlocksErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_usb_lock__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_mmc_sdio_func__release_without_claimErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_lib_idr__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_sched__locked_at_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_usb_lock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__double_usb_gadget_deregistrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_request__get_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_fs_char_dev__double_registrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_mmc_sdio_func__unreleased_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_lib_find_bit__offset_out_of_rangeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_srcu__more_unlocksErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_sched_completion__wait_without_initErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_genhd__delete_before_addErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_fs_sysfs__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_sched_completion__double_initErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_bh__locked_at_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_dev__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_mmc_sdio_func__wrong_paramsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__double_usb_gadget_registrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_urb__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_dev__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_mmc_sdio_func__double_claimErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_lib_idr__double_initErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_sched__locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_register__wrong_return_valueErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_spinlock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_genhd__double_allocationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_queue__double_allocationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_lib_idr__destroyed_before_usageErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__class_deregistration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_drivers_base_class__registered_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__chrdev_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_dev__probe_failedErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_coherent__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_bh__locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__more_read_unlocksErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_rtnetlink__double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_arch_io__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__read_lock_on_write_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_queue__use_before_allocationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_dev__unincremented_counter_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_sock__all_locked_sockets_must_be_releasedErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_register__wrong_return_valueErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 10:37:37,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 10:37:37,230 INFO L82 PathProgramCache]: Analyzing trace with hash 1658737487, now seen corresponding path program 1 times [2019-10-07 10:37:37,230 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 10:37:37,230 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 10:37:37,231 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 10:37:37,231 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 10:37:37,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 10:37:37,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 10:37:37,593 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2019-10-07 10:37:37,593 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 10:37:37,594 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 10:37:37,594 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2019-10-07 10:37:37,594 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-10-07 10:37:37,595 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-10-07 10:37:37,595 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=183, Unknown=0, NotChecked=0, Total=210 [2019-10-07 10:37:37,595 INFO L87 Difference]: Start difference. First operand 146270 states and 240042 transitions. Second operand 15 states. [2019-10-07 10:37:47,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 10:37:47,994 INFO L93 Difference]: Finished difference Result 148906 states and 242780 transitions. [2019-10-07 10:37:47,995 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-10-07 10:37:47,995 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 194 [2019-10-07 10:37:47,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 10:37:48,536 INFO L225 Difference]: With dead ends: 148906 [2019-10-07 10:37:48,537 INFO L226 Difference]: Without dead ends: 146364 [2019-10-07 10:37:48,605 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=51, Invalid=369, Unknown=0, NotChecked=0, Total=420 [2019-10-07 10:37:48,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146364 states. [2019-10-07 10:37:57,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146364 to 146364. [2019-10-07 10:37:57,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146364 states. [2019-10-07 10:37:58,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146364 states to 146364 states and 240159 transitions. [2019-10-07 10:37:58,561 INFO L78 Accepts]: Start accepts. Automaton has 146364 states and 240159 transitions. Word has length 194 [2019-10-07 10:37:58,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 10:37:58,561 INFO L462 AbstractCegarLoop]: Abstraction has 146364 states and 240159 transitions. [2019-10-07 10:37:58,561 INFO L463 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-10-07 10:37:58,561 INFO L276 IsEmpty]: Start isEmpty. Operand 146364 states and 240159 transitions. [2019-10-07 10:37:58,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2019-10-07 10:37:58,564 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 10:37:58,564 INFO L385 BasicCegarLoop]: trace histogram [8, 8, 5, 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] [2019-10-07 10:37:58,564 INFO L410 AbstractCegarLoop]: === Iteration 28 === [ldv_assert_linux_usb_coherent__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_fs_char_dev__double_deregistrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_lib_idr__not_initializedErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_rtnetlink__double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_irq__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_module__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_urb__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock__locked_at_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__double_write_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_srcu__locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock__more_unlocksErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__read_lock_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_drivers_base_class__double_deregistrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_genhd__use_before_allocationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock__locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_drivers_base_class__double_registrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_rtnetlink__lock_on_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__chrdev_deregistration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__write_lock_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_sock__double_releaseErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_request__double_getErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__usb_gadget_registered_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_spinlock__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_request__double_putErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_irq__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_genhd__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_genhd__free_before_allocationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_sched__more_unlocksErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_fs_sysfs__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_arch_io__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_module__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_queue__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_srcu__locked_at_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_fs_char_dev__registered_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__double_write_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_bh__more_unlocksErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_usb_lock__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_mmc_sdio_func__release_without_claimErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_lib_idr__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_sched__locked_at_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_usb_lock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__double_usb_gadget_deregistrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_request__get_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_fs_char_dev__double_registrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_mmc_sdio_func__unreleased_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_lib_find_bit__offset_out_of_rangeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_srcu__more_unlocksErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_sched_completion__wait_without_initErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_genhd__delete_before_addErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_fs_sysfs__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_sched_completion__double_initErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_bh__locked_at_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_dev__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_mmc_sdio_func__wrong_paramsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__double_usb_gadget_registrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_urb__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_dev__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_mmc_sdio_func__double_claimErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_lib_idr__double_initErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_sched__locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_register__wrong_return_valueErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_spinlock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_genhd__double_allocationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_queue__double_allocationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_lib_idr__destroyed_before_usageErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__class_deregistration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_drivers_base_class__registered_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__chrdev_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_dev__probe_failedErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_coherent__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_bh__locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__more_read_unlocksErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_rtnetlink__double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_arch_io__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__read_lock_on_write_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_queue__use_before_allocationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_dev__unincremented_counter_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_sock__all_locked_sockets_must_be_releasedErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_register__wrong_return_valueErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 10:37:58,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 10:37:58,564 INFO L82 PathProgramCache]: Analyzing trace with hash -1100826542, now seen corresponding path program 1 times [2019-10-07 10:37:58,565 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 10:37:58,565 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 10:37:58,565 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 10:37:58,565 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 10:37:58,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 10:37:58,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 10:37:58,864 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2019-10-07 10:37:58,864 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 10:37:58,864 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 10:37:58,864 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-07 10:37:58,865 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-07 10:37:58,865 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-07 10:37:58,867 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2019-10-07 10:37:58,867 INFO L87 Difference]: Start difference. First operand 146364 states and 240159 transitions. Second operand 9 states. [2019-10-07 10:38:10,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 10:38:10,711 INFO L93 Difference]: Finished difference Result 171013 states and 268226 transitions. [2019-10-07 10:38:10,712 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-07 10:38:10,712 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 202 [2019-10-07 10:38:10,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 10:38:11,601 INFO L225 Difference]: With dead ends: 171013 [2019-10-07 10:38:11,601 INFO L226 Difference]: Without dead ends: 145986 [2019-10-07 10:38:11,757 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2019-10-07 10:38:11,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145986 states. [2019-10-07 10:38:20,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145986 to 145986. [2019-10-07 10:38:20,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145986 states. [2019-10-07 10:38:21,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145986 states to 145986 states and 239697 transitions. [2019-10-07 10:38:21,907 INFO L78 Accepts]: Start accepts. Automaton has 145986 states and 239697 transitions. Word has length 202 [2019-10-07 10:38:21,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 10:38:21,908 INFO L462 AbstractCegarLoop]: Abstraction has 145986 states and 239697 transitions. [2019-10-07 10:38:21,908 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-07 10:38:21,908 INFO L276 IsEmpty]: Start isEmpty. Operand 145986 states and 239697 transitions. [2019-10-07 10:38:21,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2019-10-07 10:38:21,911 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 10:38:21,912 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 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] [2019-10-07 10:38:21,912 INFO L410 AbstractCegarLoop]: === Iteration 29 === [ldv_assert_linux_usb_coherent__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_fs_char_dev__double_deregistrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_lib_idr__not_initializedErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_rtnetlink__double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_irq__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_module__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_urb__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock__locked_at_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__double_write_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_srcu__locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock__more_unlocksErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__read_lock_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_drivers_base_class__double_deregistrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_genhd__use_before_allocationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock__locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_drivers_base_class__double_registrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_rtnetlink__lock_on_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__chrdev_deregistration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__write_lock_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_sock__double_releaseErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_request__double_getErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__usb_gadget_registered_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_spinlock__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_request__double_putErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_irq__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_genhd__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_genhd__free_before_allocationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_sched__more_unlocksErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_fs_sysfs__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_arch_io__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_module__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_queue__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_srcu__locked_at_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_fs_char_dev__registered_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__double_write_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_bh__more_unlocksErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_usb_lock__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_mmc_sdio_func__release_without_claimErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_lib_idr__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_sched__locked_at_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_usb_lock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__double_usb_gadget_deregistrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_request__get_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_fs_char_dev__double_registrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_mmc_sdio_func__unreleased_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_lib_find_bit__offset_out_of_rangeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_srcu__more_unlocksErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_sched_completion__wait_without_initErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_genhd__delete_before_addErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_fs_sysfs__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_sched_completion__double_initErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_bh__locked_at_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_dev__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_mmc_sdio_func__wrong_paramsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__double_usb_gadget_registrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_urb__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_dev__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_mmc_sdio_func__double_claimErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_lib_idr__double_initErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_sched__locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_register__wrong_return_valueErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_spinlock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_genhd__double_allocationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_queue__double_allocationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_lib_idr__destroyed_before_usageErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__class_deregistration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_drivers_base_class__registered_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__chrdev_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_dev__probe_failedErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_coherent__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_bh__locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__more_read_unlocksErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_rtnetlink__double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_arch_io__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__read_lock_on_write_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_queue__use_before_allocationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_dev__unincremented_counter_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_sock__all_locked_sockets_must_be_releasedErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_register__wrong_return_valueErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 10:38:21,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 10:38:21,913 INFO L82 PathProgramCache]: Analyzing trace with hash 1362881855, now seen corresponding path program 1 times [2019-10-07 10:38:21,913 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 10:38:21,913 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 10:38:21,913 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 10:38:21,913 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 10:38:21,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 10:38:21,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 10:38:22,107 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-10-07 10:38:22,108 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 10:38:22,108 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 10:38:22,108 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 10:38:22,108 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 10:38:22,109 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 10:38:22,109 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 10:38:22,109 INFO L87 Difference]: Start difference. First operand 145986 states and 239697 transitions. Second operand 5 states. [2019-10-07 10:38:32,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 10:38:32,841 INFO L93 Difference]: Finished difference Result 145986 states and 239697 transitions. [2019-10-07 10:38:32,842 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-07 10:38:32,842 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 199 [2019-10-07 10:38:32,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 10:38:33,505 INFO L225 Difference]: With dead ends: 145986 [2019-10-07 10:38:33,505 INFO L226 Difference]: Without dead ends: 145984 [2019-10-07 10:38:33,564 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-10-07 10:38:33,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145984 states. [2019-10-07 10:38:42,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145984 to 145984. [2019-10-07 10:38:42,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145984 states. [2019-10-07 10:38:43,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145984 states to 145984 states and 239694 transitions. [2019-10-07 10:38:43,553 INFO L78 Accepts]: Start accepts. Automaton has 145984 states and 239694 transitions. Word has length 199 [2019-10-07 10:38:43,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 10:38:43,554 INFO L462 AbstractCegarLoop]: Abstraction has 145984 states and 239694 transitions. [2019-10-07 10:38:43,554 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 10:38:43,554 INFO L276 IsEmpty]: Start isEmpty. Operand 145984 states and 239694 transitions. [2019-10-07 10:38:43,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2019-10-07 10:38:43,558 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 10:38:43,558 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 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] [2019-10-07 10:38:43,559 INFO L410 AbstractCegarLoop]: === Iteration 30 === [ldv_assert_linux_usb_coherent__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_fs_char_dev__double_deregistrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_lib_idr__not_initializedErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_rtnetlink__double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_irq__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_module__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_urb__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock__locked_at_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__double_write_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_srcu__locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock__more_unlocksErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__read_lock_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_drivers_base_class__double_deregistrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_genhd__use_before_allocationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock__locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_drivers_base_class__double_registrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_rtnetlink__lock_on_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__chrdev_deregistration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__write_lock_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_sock__double_releaseErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_request__double_getErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__usb_gadget_registered_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_spinlock__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_request__double_putErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_irq__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_genhd__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_genhd__free_before_allocationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_sched__more_unlocksErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_fs_sysfs__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_arch_io__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_module__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_queue__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_srcu__locked_at_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_fs_char_dev__registered_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__double_write_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_bh__more_unlocksErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_usb_lock__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_mmc_sdio_func__release_without_claimErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_lib_idr__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_sched__locked_at_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_usb_lock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__double_usb_gadget_deregistrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_request__get_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_fs_char_dev__double_registrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_mmc_sdio_func__unreleased_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_lib_find_bit__offset_out_of_rangeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_srcu__more_unlocksErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_sched_completion__wait_without_initErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_genhd__delete_before_addErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_fs_sysfs__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_sched_completion__double_initErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_bh__locked_at_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_dev__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_mmc_sdio_func__wrong_paramsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__double_usb_gadget_registrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_urb__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_dev__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_mmc_sdio_func__double_claimErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_lib_idr__double_initErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_sched__locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_register__wrong_return_valueErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_spinlock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_genhd__double_allocationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_queue__double_allocationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_lib_idr__destroyed_before_usageErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__class_deregistration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_drivers_base_class__registered_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__chrdev_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_dev__probe_failedErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_coherent__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_bh__locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__more_read_unlocksErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_rtnetlink__double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_arch_io__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__read_lock_on_write_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_queue__use_before_allocationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_dev__unincremented_counter_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_sock__all_locked_sockets_must_be_releasedErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_register__wrong_return_valueErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 10:38:43,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 10:38:43,559 INFO L82 PathProgramCache]: Analyzing trace with hash -1978848431, now seen corresponding path program 1 times [2019-10-07 10:38:43,559 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 10:38:43,559 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 10:38:43,560 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 10:38:43,560 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 10:38:43,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 10:38:43,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 10:38:43,777 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-10-07 10:38:43,777 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 10:38:43,777 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 10:38:43,777 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 10:38:43,778 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 10:38:43,778 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 10:38:43,778 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 10:38:43,778 INFO L87 Difference]: Start difference. First operand 145984 states and 239694 transitions. Second operand 5 states. [2019-10-07 10:38:54,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 10:38:54,452 INFO L93 Difference]: Finished difference Result 145984 states and 239694 transitions. [2019-10-07 10:38:54,452 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-07 10:38:54,452 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 207 [2019-10-07 10:38:54,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 10:38:55,113 INFO L225 Difference]: With dead ends: 145984 [2019-10-07 10:38:55,113 INFO L226 Difference]: Without dead ends: 145982 [2019-10-07 10:38:55,173 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-10-07 10:38:55,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145982 states. [2019-10-07 10:39:09,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145982 to 145982. [2019-10-07 10:39:09,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145982 states. [2019-10-07 10:39:10,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145982 states to 145982 states and 239691 transitions. [2019-10-07 10:39:10,720 INFO L78 Accepts]: Start accepts. Automaton has 145982 states and 239691 transitions. Word has length 207 [2019-10-07 10:39:10,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 10:39:10,721 INFO L462 AbstractCegarLoop]: Abstraction has 145982 states and 239691 transitions. [2019-10-07 10:39:10,721 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 10:39:10,721 INFO L276 IsEmpty]: Start isEmpty. Operand 145982 states and 239691 transitions. [2019-10-07 10:39:10,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2019-10-07 10:39:10,724 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 10:39:10,724 INFO L385 BasicCegarLoop]: trace histogram [13, 13, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2019-10-07 10:39:10,725 INFO L410 AbstractCegarLoop]: === Iteration 31 === [ldv_assert_linux_usb_coherent__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_fs_char_dev__double_deregistrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_lib_idr__not_initializedErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_rtnetlink__double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_irq__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_module__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_urb__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock__locked_at_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__double_write_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_srcu__locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock__more_unlocksErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__read_lock_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_drivers_base_class__double_deregistrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_genhd__use_before_allocationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock__locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_drivers_base_class__double_registrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_rtnetlink__lock_on_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__chrdev_deregistration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__write_lock_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_sock__double_releaseErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_request__double_getErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__usb_gadget_registered_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_spinlock__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_request__double_putErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_irq__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_genhd__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_genhd__free_before_allocationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_sched__more_unlocksErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_fs_sysfs__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_arch_io__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_module__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_queue__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_srcu__locked_at_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_fs_char_dev__registered_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__double_write_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_bh__more_unlocksErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_usb_lock__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_mmc_sdio_func__release_without_claimErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_lib_idr__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_sched__locked_at_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_usb_lock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__double_usb_gadget_deregistrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_request__get_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_fs_char_dev__double_registrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_mmc_sdio_func__unreleased_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_lib_find_bit__offset_out_of_rangeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_srcu__more_unlocksErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_sched_completion__wait_without_initErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_genhd__delete_before_addErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_fs_sysfs__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_sched_completion__double_initErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_bh__locked_at_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_dev__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_mmc_sdio_func__wrong_paramsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__double_usb_gadget_registrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_urb__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_dev__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_mmc_sdio_func__double_claimErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_lib_idr__double_initErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_sched__locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_register__wrong_return_valueErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_spinlock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_genhd__double_allocationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_queue__double_allocationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_lib_idr__destroyed_before_usageErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__class_deregistration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_drivers_base_class__registered_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__chrdev_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_dev__probe_failedErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_coherent__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_bh__locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__more_read_unlocksErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_rtnetlink__double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_arch_io__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__read_lock_on_write_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_queue__use_before_allocationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_dev__unincremented_counter_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_sock__all_locked_sockets_must_be_releasedErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_register__wrong_return_valueErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 10:39:10,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 10:39:10,725 INFO L82 PathProgramCache]: Analyzing trace with hash 880756409, now seen corresponding path program 1 times [2019-10-07 10:39:10,725 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 10:39:10,725 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 10:39:10,726 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 10:39:10,726 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 10:39:10,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 10:39:10,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 10:39:11,101 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 323 trivial. 0 not checked. [2019-10-07 10:39:11,101 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 10:39:11,101 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 10:39:11,102 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 10:39:11,102 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 10:39:11,102 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 10:39:11,102 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 10:39:11,103 INFO L87 Difference]: Start difference. First operand 145982 states and 239691 transitions. Second operand 5 states. [2019-10-07 10:39:27,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 10:39:27,284 INFO L93 Difference]: Finished difference Result 215756 states and 363113 transitions. [2019-10-07 10:39:27,284 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-07 10:39:27,284 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 219 [2019-10-07 10:39:27,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 10:39:28,137 INFO L225 Difference]: With dead ends: 215756 [2019-10-07 10:39:28,137 INFO L226 Difference]: Without dead ends: 215754 [2019-10-07 10:39:28,222 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-07 10:39:28,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215754 states. [2019-10-07 10:39:43,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215754 to 214878. [2019-10-07 10:39:43,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 214878 states. [2019-10-07 10:39:45,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214878 states to 214878 states and 361701 transitions. [2019-10-07 10:39:45,212 INFO L78 Accepts]: Start accepts. Automaton has 214878 states and 361701 transitions. Word has length 219 [2019-10-07 10:39:45,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 10:39:45,212 INFO L462 AbstractCegarLoop]: Abstraction has 214878 states and 361701 transitions. [2019-10-07 10:39:45,212 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 10:39:45,213 INFO L276 IsEmpty]: Start isEmpty. Operand 214878 states and 361701 transitions. [2019-10-07 10:39:51,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2019-10-07 10:39:51,026 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 10:39:51,026 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 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] [2019-10-07 10:39:51,028 INFO L410 AbstractCegarLoop]: === Iteration 32 === [ldv_assert_linux_usb_coherent__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_fs_char_dev__double_deregistrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_lib_idr__not_initializedErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_rtnetlink__double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_irq__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_module__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_urb__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock__locked_at_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__double_write_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_srcu__locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock__more_unlocksErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__read_lock_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_drivers_base_class__double_deregistrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_genhd__use_before_allocationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock__locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_drivers_base_class__double_registrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_rtnetlink__lock_on_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__chrdev_deregistration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__write_lock_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_sock__double_releaseErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_request__double_getErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__usb_gadget_registered_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_spinlock__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_request__double_putErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_irq__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_genhd__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_genhd__free_before_allocationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_sched__more_unlocksErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_fs_sysfs__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_arch_io__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_module__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_queue__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_srcu__locked_at_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_fs_char_dev__registered_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__double_write_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_bh__more_unlocksErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_usb_lock__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_mmc_sdio_func__release_without_claimErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_lib_idr__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_sched__locked_at_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_usb_lock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__double_usb_gadget_deregistrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_request__get_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_fs_char_dev__double_registrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_mmc_sdio_func__unreleased_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_lib_find_bit__offset_out_of_rangeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_srcu__more_unlocksErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_sched_completion__wait_without_initErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_genhd__delete_before_addErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_fs_sysfs__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_sched_completion__double_initErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_bh__locked_at_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_dev__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_mmc_sdio_func__wrong_paramsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__double_usb_gadget_registrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_urb__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_dev__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_mmc_sdio_func__double_claimErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_lib_idr__double_initErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_sched__locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_register__wrong_return_valueErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_spinlock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_genhd__double_allocationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_queue__double_allocationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_lib_idr__destroyed_before_usageErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__class_deregistration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_drivers_base_class__registered_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__chrdev_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_dev__probe_failedErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_coherent__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_bh__locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__more_read_unlocksErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_rtnetlink__double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_arch_io__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__read_lock_on_write_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_queue__use_before_allocationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_dev__unincremented_counter_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_sock__all_locked_sockets_must_be_releasedErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_register__wrong_return_valueErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 10:39:51,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 10:39:51,029 INFO L82 PathProgramCache]: Analyzing trace with hash -455465645, now seen corresponding path program 1 times [2019-10-07 10:39:51,029 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 10:39:51,029 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 10:39:51,029 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 10:39:51,029 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 10:39:51,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 10:39:51,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 10:39:51,267 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-10-07 10:39:51,267 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 10:39:51,268 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 10:39:51,268 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 10:39:51,269 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 10:39:51,269 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 10:39:51,269 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 10:39:51,269 INFO L87 Difference]: Start difference. First operand 214878 states and 361701 transitions. Second operand 5 states. [2019-10-07 10:40:03,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 10:40:03,643 INFO L93 Difference]: Finished difference Result 214878 states and 361701 transitions. [2019-10-07 10:40:03,644 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-07 10:40:03,644 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 215 [2019-10-07 10:40:03,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 10:40:04,411 INFO L225 Difference]: With dead ends: 214878 [2019-10-07 10:40:04,411 INFO L226 Difference]: Without dead ends: 214876 [2019-10-07 10:40:04,477 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-10-07 10:40:04,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214876 states. [2019-10-07 10:40:25,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214876 to 214876. [2019-10-07 10:40:25,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 214876 states. [2019-10-07 10:40:27,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214876 states to 214876 states and 361698 transitions. [2019-10-07 10:40:27,119 INFO L78 Accepts]: Start accepts. Automaton has 214876 states and 361698 transitions. Word has length 215 [2019-10-07 10:40:27,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 10:40:27,120 INFO L462 AbstractCegarLoop]: Abstraction has 214876 states and 361698 transitions. [2019-10-07 10:40:27,120 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 10:40:27,120 INFO L276 IsEmpty]: Start isEmpty. Operand 214876 states and 361698 transitions. [2019-10-07 10:40:27,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2019-10-07 10:40:27,123 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 10:40:27,124 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 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] [2019-10-07 10:40:27,124 INFO L410 AbstractCegarLoop]: === Iteration 33 === [ldv_assert_linux_usb_coherent__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_fs_char_dev__double_deregistrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_lib_idr__not_initializedErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_rtnetlink__double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_irq__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_module__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_urb__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock__locked_at_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__double_write_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_srcu__locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock__more_unlocksErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__read_lock_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_drivers_base_class__double_deregistrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_genhd__use_before_allocationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock__locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_drivers_base_class__double_registrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_rtnetlink__lock_on_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__chrdev_deregistration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__write_lock_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_sock__double_releaseErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_request__double_getErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__usb_gadget_registered_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_spinlock__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_request__double_putErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_irq__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_genhd__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_genhd__free_before_allocationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_sched__more_unlocksErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_fs_sysfs__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_arch_io__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_module__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_queue__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_srcu__locked_at_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_fs_char_dev__registered_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__double_write_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_bh__more_unlocksErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_usb_lock__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_mmc_sdio_func__release_without_claimErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_lib_idr__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_sched__locked_at_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_usb_lock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__double_usb_gadget_deregistrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_request__get_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_fs_char_dev__double_registrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_mmc_sdio_func__unreleased_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_lib_find_bit__offset_out_of_rangeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_srcu__more_unlocksErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_sched_completion__wait_without_initErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_genhd__delete_before_addErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_fs_sysfs__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_sched_completion__double_initErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_bh__locked_at_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_dev__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_mmc_sdio_func__wrong_paramsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__double_usb_gadget_registrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_urb__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_dev__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_mmc_sdio_func__double_claimErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_lib_idr__double_initErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_sched__locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_register__wrong_return_valueErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_spinlock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_genhd__double_allocationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_queue__double_allocationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_lib_idr__destroyed_before_usageErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__class_deregistration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_drivers_base_class__registered_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__chrdev_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_dev__probe_failedErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_coherent__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_bh__locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__more_read_unlocksErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_rtnetlink__double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_arch_io__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__read_lock_on_write_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_queue__use_before_allocationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_dev__unincremented_counter_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_sock__all_locked_sockets_must_be_releasedErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_register__wrong_return_valueErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 10:40:27,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 10:40:27,124 INFO L82 PathProgramCache]: Analyzing trace with hash -1749382558, now seen corresponding path program 1 times [2019-10-07 10:40:27,124 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 10:40:27,125 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 10:40:27,125 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 10:40:27,125 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 10:40:27,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 10:40:27,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 10:40:28,001 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-10-07 10:40:28,002 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 10:40:28,002 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 10:40:28,002 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 10:40:28,003 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 10:40:28,003 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 10:40:28,003 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 10:40:28,003 INFO L87 Difference]: Start difference. First operand 214876 states and 361698 transitions. Second operand 5 states. [2019-10-07 10:40:44,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 10:40:44,476 INFO L93 Difference]: Finished difference Result 214876 states and 361698 transitions. [2019-10-07 10:40:44,477 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-07 10:40:44,477 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 223 [2019-10-07 10:40:44,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 10:40:45,353 INFO L225 Difference]: With dead ends: 214876 [2019-10-07 10:40:45,353 INFO L226 Difference]: Without dead ends: 214874 [2019-10-07 10:40:45,444 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-10-07 10:40:45,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214874 states. [2019-10-07 10:41:08,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214874 to 214874. [2019-10-07 10:41:08,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 214874 states. [2019-10-07 10:41:10,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214874 states to 214874 states and 361695 transitions. [2019-10-07 10:41:10,771 INFO L78 Accepts]: Start accepts. Automaton has 214874 states and 361695 transitions. Word has length 223 [2019-10-07 10:41:10,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 10:41:10,771 INFO L462 AbstractCegarLoop]: Abstraction has 214874 states and 361695 transitions. [2019-10-07 10:41:10,771 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 10:41:10,771 INFO L276 IsEmpty]: Start isEmpty. Operand 214874 states and 361695 transitions. [2019-10-07 10:41:10,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2019-10-07 10:41:10,774 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 10:41:10,775 INFO L385 BasicCegarLoop]: trace histogram [13, 13, 7, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2019-10-07 10:41:10,775 INFO L410 AbstractCegarLoop]: === Iteration 34 === [ldv_assert_linux_usb_coherent__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_fs_char_dev__double_deregistrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_lib_idr__not_initializedErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_rtnetlink__double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_irq__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_module__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_urb__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock__locked_at_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__double_write_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_srcu__locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock__more_unlocksErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__read_lock_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_drivers_base_class__double_deregistrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_genhd__use_before_allocationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock__locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_drivers_base_class__double_registrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_rtnetlink__lock_on_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__chrdev_deregistration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__write_lock_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_sock__double_releaseErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_request__double_getErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__usb_gadget_registered_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_spinlock__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_request__double_putErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_irq__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_genhd__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_genhd__free_before_allocationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_sched__more_unlocksErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_fs_sysfs__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_arch_io__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_module__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_queue__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_srcu__locked_at_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_fs_char_dev__registered_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__double_write_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_bh__more_unlocksErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_usb_lock__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_mmc_sdio_func__release_without_claimErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_lib_idr__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_sched__locked_at_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_usb_lock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__double_usb_gadget_deregistrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_request__get_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_fs_char_dev__double_registrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_mmc_sdio_func__unreleased_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_lib_find_bit__offset_out_of_rangeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_srcu__more_unlocksErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_sched_completion__wait_without_initErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_genhd__delete_before_addErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_fs_sysfs__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_sched_completion__double_initErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_bh__locked_at_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_dev__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_mmc_sdio_func__wrong_paramsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__double_usb_gadget_registrationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_urb__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_dev__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_mmc_sdio_func__double_claimErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_lib_idr__double_initErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_sched__locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_register__wrong_return_valueErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_spinlock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_genhd__double_allocationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_queue__double_allocationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_lib_idr__destroyed_before_usageErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__class_deregistration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_drivers_base_class__registered_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__chrdev_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_dev__probe_failedErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_coherent__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_rcu_update_lock_bh__locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__more_read_unlocksErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_rtnetlink__double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_arch_io__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_rwlock__read_lock_on_write_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_block_queue__use_before_allocationErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_dev__unincremented_counter_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_net_sock__all_locked_sockets_must_be_releasedErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_register__wrong_return_valueErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 10:41:10,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 10:41:10,775 INFO L82 PathProgramCache]: Analyzing trace with hash 1660152652, now seen corresponding path program 1 times [2019-10-07 10:41:10,776 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 10:41:10,776 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 10:41:10,776 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 10:41:10,776 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 10:41:10,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 10:41:10,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 10:41:11,044 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 309 trivial. 0 not checked. [2019-10-07 10:41:11,045 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 10:41:11,045 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 10:41:11,046 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 10:41:11,046 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 10:41:11,047 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 10:41:11,047 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 10:41:11,047 INFO L87 Difference]: Start difference. First operand 214874 states and 361695 transitions. Second operand 5 states. [2019-10-07 10:41:28,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 10:41:28,053 INFO L93 Difference]: Finished difference Result 282056 states and 474638 transitions. [2019-10-07 10:41:28,053 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-07 10:41:28,054 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 235 [2019-10-07 10:41:28,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 10:41:29,294 INFO L225 Difference]: With dead ends: 282056 [2019-10-07 10:41:29,295 INFO L226 Difference]: Without dead ends: 282054 [2019-10-07 10:41:29,399 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-07 10:41:29,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282054 states.