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-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-usb-dvb-usb-dvb-usb-m920x.cil.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 04:30:34,831 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 04:30:34,835 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 04:30:34,854 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 04:30:34,854 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 04:30:34,857 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 04:30:34,859 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 04:30:34,869 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 04:30:34,874 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 04:30:34,877 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 04:30:34,879 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 04:30:34,880 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 04:30:34,880 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 04:30:34,883 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 04:30:34,885 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 04:30:34,887 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 04:30:34,889 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 04:30:34,890 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 04:30:34,891 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 04:30:34,896 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 04:30:34,901 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 04:30:34,903 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 04:30:34,906 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 04:30:34,907 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 04:30:34,909 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 04:30:34,909 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 04:30:34,910 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 04:30:34,912 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 04:30:34,913 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 04:30:34,914 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 04:30:34,915 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 04:30:34,916 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 04:30:34,916 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 04:30:34,917 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 04:30:34,919 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 04:30:34,919 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 04:30:34,920 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 04:30:34,920 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 04:30:34,920 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 04:30:34,921 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 04:30:34,922 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 04:30:34,924 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 04:30:34,962 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 04:30:34,962 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 04:30:34,963 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 04:30:34,964 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 04:30:34,964 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 04:30:34,964 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 04:30:34,964 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 04:30:34,965 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 04:30:34,965 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 04:30:34,965 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 04:30:34,965 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 04:30:34,965 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 04:30:34,966 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 04:30:34,966 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 04:30:34,966 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 04:30:34,967 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 04:30:34,968 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 04:30:34,968 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 04:30:34,968 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 04:30:34,968 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 04:30:34,968 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 04:30:34,969 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 04:30:34,969 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 04:30:34,969 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 04:30:34,969 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 04:30:34,969 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 04:30:34,970 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 04:30:34,970 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 04:30:34,970 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 04:30:35,280 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 04:30:35,299 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 04:30:35,303 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 04:30:35,304 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 04:30:35,304 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 04:30:35,305 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-usb-dvb-usb-dvb-usb-m920x.cil.i [2019-10-07 04:30:35,372 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5549a5517/d8adcf44cf6f4b8eb5b533de9764146b/FLAG609e9d6ef [2019-10-07 04:30:36,245 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 04:30:36,246 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-usb-dvb-usb-dvb-usb-m920x.cil.i [2019-10-07 04:30:36,329 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5549a5517/d8adcf44cf6f4b8eb5b533de9764146b/FLAG609e9d6ef [2019-10-07 04:30:36,679 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5549a5517/d8adcf44cf6f4b8eb5b533de9764146b [2019-10-07 04:30:36,690 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 04:30:36,691 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 04:30:36,692 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 04:30:36,693 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 04:30:36,697 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 04:30:36,698 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 04:30:36" (1/1) ... [2019-10-07 04:30:36,702 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65b46624 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 04:30:36, skipping insertion in model container [2019-10-07 04:30:36,703 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 04:30:36" (1/1) ... [2019-10-07 04:30:36,713 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 04:30:36,908 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 04:30:39,726 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 04:30:39,868 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 04:30:40,457 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 04:30:41,255 INFO L192 MainTranslator]: Completed translation [2019-10-07 04:30:41,256 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 04:30:41 WrapperNode [2019-10-07 04:30:41,256 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 04:30:41,257 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 04:30:41,257 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 04:30:41,257 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 04:30:41,275 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 04:30:41" (1/1) ... [2019-10-07 04:30:41,275 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 04:30:41" (1/1) ... [2019-10-07 04:30:41,390 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 04:30:41" (1/1) ... [2019-10-07 04:30:41,391 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 04:30:41" (1/1) ... [2019-10-07 04:30:41,538 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 04:30:41" (1/1) ... [2019-10-07 04:30:41,574 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 04:30:41" (1/1) ... [2019-10-07 04:30:41,697 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 04:30:41" (1/1) ... [2019-10-07 04:30:41,746 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 04:30:41,747 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 04:30:41,747 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 04:30:41,747 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 04:30:41,749 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 04:30:41" (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 04:30:41,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 04:30:41,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 04:30:41,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2019-10-07 04:30:41,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~$Pointer$ [2019-10-07 04:30:41,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~$Pointer$ [2019-10-07 04:30:41,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~$Pointer$~TO~$Pointer$ [2019-10-07 04:30:41,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~u8~0~X~int~TO~$Pointer$ [2019-10-07 04:30:41,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~~u16~0~TO~$Pointer$ [2019-10-07 04:30:41,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-10-07 04:30:41,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2019-10-07 04:30:41,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2019-10-07 04:30:41,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-10-07 04:30:41,855 INFO L138 BoogieDeclarations]: Found implementation of procedure __le16_to_cpup [2019-10-07 04:30:41,855 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2019-10-07 04:30:41,855 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2019-10-07 04:30:41,855 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_adapdata [2019-10-07 04:30:41,857 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-10-07 04:30:41,858 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-07 04:30:41,858 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2019-10-07 04:30:41,858 INFO L138 BoogieDeclarations]: Found implementation of procedure rc5_data [2019-10-07 04:30:41,858 INFO L138 BoogieDeclarations]: Found implementation of procedure mt352_write [2019-10-07 04:30:41,859 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_read [2019-10-07 04:30:41,859 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_write [2019-10-07 04:30:41,859 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_write_seq [2019-10-07 04:30:41,859 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_init [2019-10-07 04:30:41,859 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_init_ep [2019-10-07 04:30:41,859 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_parse_rc_state [2019-10-07 04:30:41,860 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_rc_query [2019-10-07 04:30:41,860 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_rc_core_query [2019-10-07 04:30:41,860 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_i2c_xfer [2019-10-07 04:30:41,860 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_i2c_func [2019-10-07 04:30:41,860 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_set_filter [2019-10-07 04:30:41,860 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_update_filters [2019-10-07 04:30:41,860 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_pid_filter_ctrl [2019-10-07 04:30:41,861 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_pid_filter [2019-10-07 04:30:41,861 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_firmware_download [2019-10-07 04:30:41,861 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_identify_state [2019-10-07 04:30:41,862 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_mt352_demod_init [2019-10-07 04:30:41,862 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_mt352_frontend_attach [2019-10-07 04:30:41,862 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_mt352_frontend_attach_vp7049 [2019-10-07 04:30:41,862 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_tda10046_08_frontend_attach [2019-10-07 04:30:41,862 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_tda10046_0b_frontend_attach [2019-10-07 04:30:41,863 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_qt1010_tuner_attach [2019-10-07 04:30:41,863 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_tda8275_60_tuner_attach [2019-10-07 04:30:41,863 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_tda8275_61_tuner_attach [2019-10-07 04:30:41,863 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_fmd1216me_tuner_attach [2019-10-07 04:30:41,863 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_mt2060_tuner_attach [2019-10-07 04:30:41,863 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_probe [2019-10-07 04:30:41,864 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_driver_init [2019-10-07 04:30:41,865 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_driver_exit [2019-10-07 04:30:41,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_m920x_driver_exit_10_2 [2019-10-07 04:30:41,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_init_m920x_driver_init_10_11 [2019-10-07 04:30:41,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_allocate_external_0 [2019-10-07 04:30:41,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_deregister_8_1 [2019-10-07 04:30:41,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_deregister_dummy_resourceless_instance_3_10_4 [2019-10-07 04:30:41,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_deregister_dummy_resourceless_instance_4_10_5 [2019-10-07 04:30:41,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_instance_deregister_7_2 [2019-10-07 04:30:41,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_instance_register_7_3 [2019-10-07 04:30:41,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_9_2 [2019-10-07 04:30:41,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_dummy_resourceless_instance_3_10_6 [2019-10-07 04:30:41,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_dummy_resourceless_instance_4_10_7 [2019-10-07 04:30:41,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_0_3 [2019-10-07 04:30:41,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_12 [2019-10-07 04:30:41,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_15 [2019-10-07 04:30:41,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_18 [2019-10-07 04:30:41,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_21 [2019-10-07 04:30:41,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_24 [2019-10-07 04:30:41,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_3 [2019-10-07 04:30:41,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_7 [2019-10-07 04:30:41,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_8 [2019-10-07 04:30:41,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_9 [2019-10-07 04:30:41,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_2_12 [2019-10-07 04:30:41,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_2_15 [2019-10-07 04:30:41,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_2_18 [2019-10-07 04:30:41,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_2_21 [2019-10-07 04:30:41,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_2_24 [2019-10-07 04:30:41,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_2_3 [2019-10-07 04:30:41,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_2_7 [2019-10-07 04:30:41,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_2_8 [2019-10-07 04:30:41,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_2_9 [2019-10-07 04:30:41,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_3_12 [2019-10-07 04:30:41,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_3_15 [2019-10-07 04:30:41,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_3_18 [2019-10-07 04:30:41,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_3_21 [2019-10-07 04:30:41,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_3_24 [2019-10-07 04:30:41,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_3_3 [2019-10-07 04:30:41,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_3_7 [2019-10-07 04:30:41,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_3_8 [2019-10-07 04:30:41,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_3_9 [2019-10-07 04:30:41,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_4_12 [2019-10-07 04:30:41,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_4_15 [2019-10-07 04:30:41,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_4_18 [2019-10-07 04:30:41,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_4_21 [2019-10-07 04:30:41,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_4_24 [2019-10-07 04:30:41,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_4_3 [2019-10-07 04:30:41,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_4_7 [2019-10-07 04:30:41,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_4_8 [2019-10-07 04:30:41,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_4_9 [2019-10-07 04:30:41,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_5_12 [2019-10-07 04:30:41,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_5_15 [2019-10-07 04:30:41,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_5_18 [2019-10-07 04:30:41,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_5_21 [2019-10-07 04:30:41,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_5_24 [2019-10-07 04:30:41,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_5_3 [2019-10-07 04:30:41,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_5_7 [2019-10-07 04:30:41,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_5_8 [2019-10-07 04:30:41,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_5_9 [2019-10-07 04:30:41,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_entry_EMGentry_10 [2019-10-07 04:30:41,878 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 04:30:41,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_external_data [2019-10-07 04:30:41,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_struct_mt352_config_dummy_resourceless_instance_0 [2019-10-07 04:30:41,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_struct_noname_2_dummy_resourceless_instance_1 [2019-10-07 04:30:41,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_struct_noname_2_dummy_resourceless_instance_2 [2019-10-07 04:30:41,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_struct_noname_2_dummy_resourceless_instance_3 [2019-10-07 04:30:41,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_struct_noname_2_dummy_resourceless_instance_4 [2019-10-07 04:30:41,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_struct_noname_2_dummy_resourceless_instance_5 [2019-10-07 04:30:41,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2019-10-07 04:30:41,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2019-10-07 04:30:41,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_1 [2019-10-07 04:30:41,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_5 [2019-10-07 04:30:41,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_1 [2019-10-07 04:30:41,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_5 [2019-10-07 04:30:41,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_2_1 [2019-10-07 04:30:41,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_2_5 [2019-10-07 04:30:41,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_3_1 [2019-10-07 04:30:41,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_3_5 [2019-10-07 04:30:41,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_4_1 [2019-10-07 04:30:41,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_4_5 [2019-10-07 04:30:41,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_5_1 [2019-10-07 04:30:41,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_5_5 [2019-10-07 04:30:41,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_6_1 [2019-10-07 04:30:41,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_6_15 [2019-10-07 04:30:41,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_7_1 [2019-10-07 04:30:41,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_7_4 [2019-10-07 04:30:41,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister [2019-10-07 04:30:41,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_dummy_factory_7 [2019-10-07 04:30:41,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_post_6_9 [2019-10-07 04:30:41,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_pre_6_10 [2019-10-07 04:30:41,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_probe_6_13 [2019-10-07 04:30:41,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_release_6_4 [2019-10-07 04:30:41,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_resume_6_7 [2019-10-07 04:30:41,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver [2019-10-07 04:30:41,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_usb_instance_6 [2019-10-07 04:30:41,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata_18 [2019-10-07 04:30:41,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_21 [2019-10-07 04:30:41,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_22 [2019-10-07 04:30:41,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_23 [2019-10-07 04:30:41,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_24 [2019-10-07 04:30:41,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-10-07 04:30:41,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-10-07 04:30:41,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spi_alloc_master [2019-10-07 04:30:41,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-07 04:30:41,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-10-07 04:30:41,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-10-07 04:30:41,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-10-07 04:30:41,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2019-10-07 04:30:41,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_init [2019-10-07 04:30:41,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2019-10-07 04:30:41,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2019-10-07 04:30:41,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kzalloc [2019-10-07 04:30:41,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2019-10-07 04:30:41,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-07 04:30:41,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-07 04:30:41,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-10-07 04:30:41,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-07 04:30:41,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc [2019-10-07 04:30:41,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-07 04:30:41,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2019-10-07 04:30:41,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2019-10-07 04:30:41,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xzalloc [2019-10-07 04:30:41,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc_unknown_size [2019-10-07 04:30:41,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc_unknown_size [2019-10-07 04:30:41,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc_unknown_size [2019-10-07 04:30:41,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc_unknown_size [2019-10-07 04:30:41,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-07 04:30:41,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-07 04:30:41,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-07 04:30:41,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_negative [2019-10-07 04:30:41,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_nonpositive [2019-10-07 04:30:41,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_create [2019-10-07 04:30:41,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_create_N [2019-10-07 04:30:41,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_join [2019-10-07 04:30:41,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_join_N [2019-10-07 04:30:41,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_i2c_mutex_of_dvb_usb_device [2019-10-07 04:30:41,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_or_killable_i2c_mutex_of_dvb_usb_device [2019-10-07 04:30:41,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_i2c_mutex_of_dvb_usb_device [2019-10-07 04:30:41,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_i2c_mutex_of_dvb_usb_device [2019-10-07 04:30:41,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_i2c_mutex_of_dvb_usb_device [2019-10-07 04:30:41,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_i2c_mutex_of_dvb_usb_device [2019-10-07 04:30:41,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_i_mutex_of_inode [2019-10-07 04:30:41,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_or_killable_i_mutex_of_inode [2019-10-07 04:30:41,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_i_mutex_of_inode [2019-10-07 04:30:41,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_i_mutex_of_inode [2019-10-07 04:30:41,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_i_mutex_of_inode [2019-10-07 04:30:41,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_i_mutex_of_inode [2019-10-07 04:30:41,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2019-10-07 04:30:41,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_or_killable_lock [2019-10-07 04:30:41,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2019-10-07 04:30:41,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2019-10-07 04:30:41,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-10-07 04:30:41,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2019-10-07 04:30:41,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2019-10-07 04:30:41,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_or_killable_mutex_of_device [2019-10-07 04:30:41,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2019-10-07 04:30:41,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2019-10-07 04:30:41,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-10-07 04:30:41,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2019-10-07 04:30:41,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-07 04:30:41,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-07 04:30:41,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2019-10-07 04:30:41,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock_try [2019-10-07 04:30:41,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2019-10-07 04:30:41,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2019-10-07 04:30:41,909 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_module [2019-10-07 04:30:41,909 INFO L138 BoogieDeclarations]: Found implementation of procedure __symbol_get [2019-10-07 04:30:41,909 INFO L138 BoogieDeclarations]: Found implementation of procedure __symbol_put [2019-10-07 04:30:41,909 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_usb_device_exit [2019-10-07 04:30:41,909 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_usb_device_init [2019-10-07 04:30:41,909 INFO L138 BoogieDeclarations]: Found implementation of procedure external_allocated_data [2019-10-07 04:30:41,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2019-10-07 04:30:41,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2019-10-07 04:30:41,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2019-10-07 04:30:41,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2019-10-07 04:30:41,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_usb_register_driver [2019-10-07 04:30:41,910 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2019-10-07 04:30:41,910 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-07 04:30:41,910 INFO L138 BoogieDeclarations]: Found implementation of procedure rc_keydown [2019-10-07 04:30:41,910 INFO L138 BoogieDeclarations]: Found implementation of procedure rc_keyup [2019-10-07 04:30:41,911 INFO L138 BoogieDeclarations]: Found implementation of procedure rc_repeat [2019-10-07 04:30:41,911 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_altnum_to_altsetting [2019-10-07 04:30:41,911 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2019-10-07 04:30:41,911 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2019-10-07 04:30:41,911 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ifnum_to_if [2019-10-07 04:30:41,911 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2019-10-07 04:30:41,911 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2019-10-07 04:30:41,911 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-07 04:30:41,912 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-07 04:30:41,912 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-07 04:30:41,912 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-07 04:30:41,912 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-10-07 04:30:41,912 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-10-07 04:30:41,913 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_21 [2019-10-07 04:30:41,913 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_or_killable_i2c_mutex_of_dvb_usb_device [2019-10-07 04:30:41,913 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_i2c_mutex_of_dvb_usb_device [2019-10-07 04:30:41,913 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-07 04:30:41,913 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_init [2019-10-07 04:30:41,913 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2019-10-07 04:30:41,913 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2019-10-07 04:30:41,914 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_usb_register_driver [2019-10-07 04:30:41,914 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-07 04:30:41,914 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2019-10-07 04:30:41,914 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-07 04:30:41,914 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-07 04:30:41,914 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2019-10-07 04:30:41,914 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2019-10-07 04:30:41,914 INFO L130 BoogieDeclarations]: Found specification of procedure external_allocated_data [2019-10-07 04:30:41,915 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-07 04:30:41,915 INFO L130 BoogieDeclarations]: Found specification of procedure __le16_to_cpup [2019-10-07 04:30:41,915 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 04:30:41,915 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-07 04:30:41,916 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2019-10-07 04:30:41,920 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_22 [2019-10-07 04:30:41,920 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata_18 [2019-10-07 04:30:41,920 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2019-10-07 04:30:41,920 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 04:30:41,920 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ifnum_to_if [2019-10-07 04:30:41,921 INFO L130 BoogieDeclarations]: Found specification of procedure usb_altnum_to_altsetting [2019-10-07 04:30:41,921 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2019-10-07 04:30:41,921 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_23 [2019-10-07 04:30:41,921 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2019-10-07 04:30:41,921 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_24 [2019-10-07 04:30:41,922 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2019-10-07 04:30:41,922 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2019-10-07 04:30:41,922 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2019-10-07 04:30:41,923 INFO L130 BoogieDeclarations]: Found specification of procedure rc_repeat [2019-10-07 04:30:41,923 INFO L130 BoogieDeclarations]: Found specification of procedure rc_keydown [2019-10-07 04:30:41,923 INFO L130 BoogieDeclarations]: Found specification of procedure rc_keyup [2019-10-07 04:30:41,923 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_adapdata [2019-10-07 04:30:41,923 INFO L130 BoogieDeclarations]: Found specification of procedure __request_module [2019-10-07 04:30:41,923 INFO L130 BoogieDeclarations]: Found specification of procedure __symbol_get [2019-10-07 04:30:41,924 INFO L130 BoogieDeclarations]: Found specification of procedure __symbol_put [2019-10-07 04:30:41,924 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-07 04:30:41,924 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-07 04:30:41,924 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-10-07 04:30:41,924 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-07 04:30:41,924 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2019-10-07 04:30:41,924 INFO L130 BoogieDeclarations]: Found specification of procedure rc5_data [2019-10-07 04:30:41,924 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_usb_device_init [2019-10-07 04:30:41,924 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_usb_device_exit [2019-10-07 04:30:41,924 INFO L130 BoogieDeclarations]: Found specification of procedure mt352_write [2019-10-07 04:30:41,925 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2019-10-07 04:30:41,925 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_set_filter [2019-10-07 04:30:41,925 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_read [2019-10-07 04:30:41,925 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 04:30:41,925 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_write [2019-10-07 04:30:41,925 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_write_seq [2019-10-07 04:30:41,925 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_init [2019-10-07 04:30:41,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 04:30:41,926 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 04:30:41,926 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_init_ep [2019-10-07 04:30:41,926 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_parse_rc_state [2019-10-07 04:30:41,926 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_rc_query [2019-10-07 04:30:41,926 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_rc_core_query [2019-10-07 04:30:41,926 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_i2c_xfer [2019-10-07 04:30:41,926 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_i2c_func [2019-10-07 04:30:41,926 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_update_filters [2019-10-07 04:30:41,926 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_pid_filter_ctrl [2019-10-07 04:30:41,927 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_pid_filter [2019-10-07 04:30:41,927 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_firmware_download [2019-10-07 04:30:41,927 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-10-07 04:30:41,927 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_identify_state [2019-10-07 04:30:41,927 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_mt352_demod_init [2019-10-07 04:30:41,927 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_mt352_frontend_attach [2019-10-07 04:30:41,927 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~$Pointer$ [2019-10-07 04:30:41,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 04:30:41,928 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_mt352_frontend_attach_vp7049 [2019-10-07 04:30:41,928 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_tda10046_08_frontend_attach [2019-10-07 04:30:41,928 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_tda10046_0b_frontend_attach [2019-10-07 04:30:41,928 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_qt1010_tuner_attach [2019-10-07 04:30:41,928 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~$Pointer$ [2019-10-07 04:30:41,928 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_tda8275_60_tuner_attach [2019-10-07 04:30:41,928 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~$Pointer$~TO~$Pointer$ [2019-10-07 04:30:41,928 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_tda8275_61_tuner_attach [2019-10-07 04:30:41,928 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_fmd1216me_tuner_attach [2019-10-07 04:30:41,929 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~u8~0~X~int~TO~$Pointer$ [2019-10-07 04:30:41,929 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_mt2060_tuner_attach [2019-10-07 04:30:41,929 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~~u16~0~TO~$Pointer$ [2019-10-07 04:30:41,929 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_probe [2019-10-07 04:30:41,929 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_driver_init [2019-10-07 04:30:41,929 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_driver_exit [2019-10-07 04:30:41,929 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_m920x_driver_exit_10_2 [2019-10-07 04:30:41,929 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_init_m920x_driver_init_10_11 [2019-10-07 04:30:41,930 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_allocate_external_0 [2019-10-07 04:30:41,930 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_deregister_8_1 [2019-10-07 04:30:41,930 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_deregister_dummy_resourceless_instance_3_10_4 [2019-10-07 04:30:41,930 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_deregister_dummy_resourceless_instance_4_10_5 [2019-10-07 04:30:41,930 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_instance_deregister_7_2 [2019-10-07 04:30:41,930 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_instance_register_7_3 [2019-10-07 04:30:41,930 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_9_2 [2019-10-07 04:30:41,930 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_dummy_resourceless_instance_3_10_6 [2019-10-07 04:30:41,931 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_dummy_resourceless_instance_4_10_7 [2019-10-07 04:30:41,931 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_0_3 [2019-10-07 04:30:41,931 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_12 [2019-10-07 04:30:41,931 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_15 [2019-10-07 04:30:41,931 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_18 [2019-10-07 04:30:41,931 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_21 [2019-10-07 04:30:41,931 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_24 [2019-10-07 04:30:41,931 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_3 [2019-10-07 04:30:41,931 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_7 [2019-10-07 04:30:41,932 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_8 [2019-10-07 04:30:41,932 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_9 [2019-10-07 04:30:41,932 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_2_12 [2019-10-07 04:30:41,932 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_2_15 [2019-10-07 04:30:41,932 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_2_18 [2019-10-07 04:30:41,932 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_2_21 [2019-10-07 04:30:41,932 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_2_24 [2019-10-07 04:30:41,932 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_2_3 [2019-10-07 04:30:41,932 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_2_7 [2019-10-07 04:30:41,933 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_2_8 [2019-10-07 04:30:41,933 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_2_9 [2019-10-07 04:30:41,933 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_3_12 [2019-10-07 04:30:41,933 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_3_15 [2019-10-07 04:30:41,933 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_3_18 [2019-10-07 04:30:41,933 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_3_21 [2019-10-07 04:30:41,933 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_3_24 [2019-10-07 04:30:41,933 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_3_3 [2019-10-07 04:30:41,934 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_3_7 [2019-10-07 04:30:41,934 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_3_8 [2019-10-07 04:30:41,934 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_3_9 [2019-10-07 04:30:41,934 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_4_12 [2019-10-07 04:30:41,934 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_4_15 [2019-10-07 04:30:41,934 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_4_18 [2019-10-07 04:30:41,934 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_4_21 [2019-10-07 04:30:41,934 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_4_24 [2019-10-07 04:30:41,934 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_4_3 [2019-10-07 04:30:41,935 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_4_7 [2019-10-07 04:30:41,935 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_4_8 [2019-10-07 04:30:41,935 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_4_9 [2019-10-07 04:30:41,935 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_5_12 [2019-10-07 04:30:41,935 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_5_15 [2019-10-07 04:30:41,935 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_5_18 [2019-10-07 04:30:41,935 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_5_21 [2019-10-07 04:30:41,935 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_5_24 [2019-10-07 04:30:41,936 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_5_3 [2019-10-07 04:30:41,936 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_5_7 [2019-10-07 04:30:41,936 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_5_8 [2019-10-07 04:30:41,936 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_5_9 [2019-10-07 04:30:41,936 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_entry_EMGentry_10 [2019-10-07 04:30:41,936 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 04:30:41,936 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_external_data [2019-10-07 04:30:41,936 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_struct_mt352_config_dummy_resourceless_instance_0 [2019-10-07 04:30:41,937 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_struct_noname_2_dummy_resourceless_instance_1 [2019-10-07 04:30:41,937 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_struct_noname_2_dummy_resourceless_instance_2 [2019-10-07 04:30:41,937 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_struct_noname_2_dummy_resourceless_instance_3 [2019-10-07 04:30:41,937 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_struct_noname_2_dummy_resourceless_instance_4 [2019-10-07 04:30:41,937 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_struct_noname_2_dummy_resourceless_instance_5 [2019-10-07 04:30:41,937 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2019-10-07 04:30:41,937 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2019-10-07 04:30:41,937 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_1 [2019-10-07 04:30:41,938 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_5 [2019-10-07 04:30:41,938 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_1 [2019-10-07 04:30:41,938 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_5 [2019-10-07 04:30:41,938 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_2_1 [2019-10-07 04:30:41,938 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_2_5 [2019-10-07 04:30:41,938 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_3_1 [2019-10-07 04:30:41,938 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_3_5 [2019-10-07 04:30:41,938 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_4_1 [2019-10-07 04:30:41,939 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_4_5 [2019-10-07 04:30:41,939 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_5_1 [2019-10-07 04:30:41,939 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_5_5 [2019-10-07 04:30:41,939 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_6_1 [2019-10-07 04:30:41,939 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_6_15 [2019-10-07 04:30:41,939 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_7_1 [2019-10-07 04:30:41,939 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_7_4 [2019-10-07 04:30:41,939 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister [2019-10-07 04:30:41,939 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_dummy_factory_7 [2019-10-07 04:30:41,940 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_post_6_9 [2019-10-07 04:30:41,940 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_pre_6_10 [2019-10-07 04:30:41,940 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_probe_6_13 [2019-10-07 04:30:41,940 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_release_6_4 [2019-10-07 04:30:41,940 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_resume_6_7 [2019-10-07 04:30:41,940 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver [2019-10-07 04:30:41,940 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_usb_instance_6 [2019-10-07 04:30:41,940 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-10-07 04:30:41,941 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2019-10-07 04:30:41,941 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2019-10-07 04:30:41,941 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xzalloc [2019-10-07 04:30:41,941 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-10-07 04:30:41,941 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-07 04:30:41,941 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spi_alloc_master [2019-10-07 04:30:41,941 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-07 04:30:41,941 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-10-07 04:30:41,941 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-10-07 04:30:41,942 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-10-07 04:30:41,942 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2019-10-07 04:30:41,942 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2019-10-07 04:30:41,942 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2019-10-07 04:30:41,942 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2019-10-07 04:30:41,942 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kzalloc [2019-10-07 04:30:41,942 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-07 04:30:41,942 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2019-10-07 04:30:41,943 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-10-07 04:30:41,943 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2019-10-07 04:30:41,943 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc_unknown_size [2019-10-07 04:30:41,943 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc_unknown_size [2019-10-07 04:30:41,943 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc_unknown_size [2019-10-07 04:30:41,943 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc_unknown_size [2019-10-07 04:30:41,943 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 04:30:41,943 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-07 04:30:41,943 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 04:30:41,944 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-07 04:30:41,944 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 04:30:41,944 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-07 04:30:41,944 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-07 04:30:41,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-07 04:30:41,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-07 04:30:41,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_negative [2019-10-07 04:30:41,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_nonpositive [2019-10-07 04:30:41,945 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 04:30:41,945 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-07 04:30:41,945 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-07 04:30:41,945 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_create [2019-10-07 04:30:41,945 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_create_N [2019-10-07 04:30:41,945 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_join [2019-10-07 04:30:41,945 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_join_N [2019-10-07 04:30:41,945 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-10-07 04:30:41,945 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2019-10-07 04:30:41,946 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock_try [2019-10-07 04:30:41,946 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2019-10-07 04:30:41,946 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2019-10-07 04:30:41,946 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_i2c_mutex_of_dvb_usb_device [2019-10-07 04:30:41,946 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_i2c_mutex_of_dvb_usb_device [2019-10-07 04:30:41,946 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_i2c_mutex_of_dvb_usb_device [2019-10-07 04:30:41,946 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_i2c_mutex_of_dvb_usb_device [2019-10-07 04:30:41,946 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_i_mutex_of_inode [2019-10-07 04:30:41,946 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_or_killable_i_mutex_of_inode [2019-10-07 04:30:41,947 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_i_mutex_of_inode [2019-10-07 04:30:41,947 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_i_mutex_of_inode [2019-10-07 04:30:41,947 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_i_mutex_of_inode [2019-10-07 04:30:41,947 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_i_mutex_of_inode [2019-10-07 04:30:41,947 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2019-10-07 04:30:41,947 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_or_killable_lock [2019-10-07 04:30:41,947 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2019-10-07 04:30:41,947 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2019-10-07 04:30:41,948 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-10-07 04:30:41,948 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2019-10-07 04:30:41,948 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2019-10-07 04:30:41,948 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_or_killable_mutex_of_device [2019-10-07 04:30:41,948 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2019-10-07 04:30:41,948 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2019-10-07 04:30:41,948 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-10-07 04:30:41,948 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2019-10-07 04:30:41,948 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 04:30:41,949 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-07 04:30:41,949 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 04:30:41,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 04:30:41,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-07 04:30:41,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-07 04:30:41,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-07 04:30:41,949 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 04:30:41,949 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-07 04:30:41,949 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-07 04:30:44,995 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-07 04:36:31,633 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint mainFINAL: assume true; [2019-10-07 04:36:43,014 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 04:36:43,014 INFO L284 CfgBuilder]: Removed 2 assume(true) statements. [2019-10-07 04:36:43,016 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 04:36:43 BoogieIcfgContainer [2019-10-07 04:36:43,016 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 04:36:43,017 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 04:36:43,017 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 04:36:43,019 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 04:36:43,020 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 04:30:36" (1/3) ... [2019-10-07 04:36:43,020 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@156d8016 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 04:36:43, skipping insertion in model container [2019-10-07 04:36:43,020 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 04:30:41" (2/3) ... [2019-10-07 04:36:43,021 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@156d8016 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 04:36:43, skipping insertion in model container [2019-10-07 04:36:43,021 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 04:36:43" (3/3) ... [2019-10-07 04:36:43,022 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-usb-dvb-usb-dvb-usb-m920x.cil.i [2019-10-07 04:36:43,032 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 04:36:43,042 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2019-10-07 04:36:43,053 INFO L249 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2019-10-07 04:36:43,087 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 04:36:43,088 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 04:36:43,088 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 04:36:43,088 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 04:36:43,088 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 04:36:43,088 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 04:36:43,088 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 04:36:43,088 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 04:36:43,138 INFO L276 IsEmpty]: Start isEmpty. Operand 1662 states. [2019-10-07 04:36:43,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 432 [2019-10-07 04:36:43,172 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 04:36:43,173 INFO L385 BasicCegarLoop]: trace histogram [56, 56, 56, 56, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:36:43,176 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 04:36:43,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 04:36:43,181 INFO L82 PathProgramCache]: Analyzing trace with hash -1299636467, now seen corresponding path program 1 times [2019-10-07 04:36:43,190 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 04:36:43,190 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 04:36:43,191 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 04:36:43,191 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 04:36:43,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 04:36:44,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 04:36:45,109 INFO L134 CoverageAnalysis]: Checked inductivity of 7700 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7700 trivial. 0 not checked. [2019-10-07 04:36:45,110 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 04:36:45,110 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 04:36:45,110 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 04:36:45,115 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 04:36:45,126 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 04:36:45,127 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 04:36:45,129 INFO L87 Difference]: Start difference. First operand 1662 states. Second operand 3 states. [2019-10-07 04:36:47,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 04:36:47,821 INFO L93 Difference]: Finished difference Result 4078 states and 5576 transitions. [2019-10-07 04:36:47,821 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 04:36:47,823 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 431 [2019-10-07 04:36:47,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 04:36:47,861 INFO L225 Difference]: With dead ends: 4078 [2019-10-07 04:36:47,861 INFO L226 Difference]: Without dead ends: 2694 [2019-10-07 04:36:47,874 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 04:36:47,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2694 states. [2019-10-07 04:36:48,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2694 to 2690. [2019-10-07 04:36:48,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2690 states. [2019-10-07 04:36:48,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2690 states to 2690 states and 3599 transitions. [2019-10-07 04:36:48,158 INFO L78 Accepts]: Start accepts. Automaton has 2690 states and 3599 transitions. Word has length 431 [2019-10-07 04:36:48,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 04:36:48,165 INFO L462 AbstractCegarLoop]: Abstraction has 2690 states and 3599 transitions. [2019-10-07 04:36:48,165 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 04:36:48,166 INFO L276 IsEmpty]: Start isEmpty. Operand 2690 states and 3599 transitions. [2019-10-07 04:36:48,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 452 [2019-10-07 04:36:48,188 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 04:36:48,190 INFO L385 BasicCegarLoop]: trace histogram [56, 56, 56, 56, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:36:48,190 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 04:36:48,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 04:36:48,191 INFO L82 PathProgramCache]: Analyzing trace with hash 889923944, now seen corresponding path program 1 times [2019-10-07 04:36:48,191 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 04:36:48,191 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 04:36:48,191 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 04:36:48,191 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 04:36:48,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 04:36:48,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 04:36:49,124 INFO L134 CoverageAnalysis]: Checked inductivity of 7700 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7700 trivial. 0 not checked. [2019-10-07 04:36:49,125 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 04:36:49,125 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 04:36:49,126 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 04:36:49,128 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 04:36:49,129 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 04:36:49,129 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 04:36:49,131 INFO L87 Difference]: Start difference. First operand 2690 states and 3599 transitions. Second operand 3 states. [2019-10-07 04:36:51,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 04:36:51,783 INFO L93 Difference]: Finished difference Result 6424 states and 8577 transitions. [2019-10-07 04:36:51,783 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 04:36:51,784 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 451 [2019-10-07 04:36:51,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 04:36:51,831 INFO L225 Difference]: With dead ends: 6424 [2019-10-07 04:36:51,832 INFO L226 Difference]: Without dead ends: 3864 [2019-10-07 04:36:51,851 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 04:36:51,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3864 states. [2019-10-07 04:36:52,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3864 to 3835. [2019-10-07 04:36:52,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3835 states. [2019-10-07 04:36:52,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3835 states to 3835 states and 5119 transitions. [2019-10-07 04:36:52,095 INFO L78 Accepts]: Start accepts. Automaton has 3835 states and 5119 transitions. Word has length 451 [2019-10-07 04:36:52,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 04:36:52,098 INFO L462 AbstractCegarLoop]: Abstraction has 3835 states and 5119 transitions. [2019-10-07 04:36:52,098 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 04:36:52,098 INFO L276 IsEmpty]: Start isEmpty. Operand 3835 states and 5119 transitions. [2019-10-07 04:36:52,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 455 [2019-10-07 04:36:52,109 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 04:36:52,110 INFO L385 BasicCegarLoop]: trace histogram [56, 56, 56, 56, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:36:52,111 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 04:36:52,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 04:36:52,111 INFO L82 PathProgramCache]: Analyzing trace with hash 282652008, now seen corresponding path program 1 times [2019-10-07 04:36:52,112 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 04:36:52,112 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 04:36:52,112 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 04:36:52,112 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 04:36:52,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 04:36:52,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 04:36:53,075 INFO L134 CoverageAnalysis]: Checked inductivity of 7700 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7700 trivial. 0 not checked. [2019-10-07 04:36:53,075 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 04:36:53,076 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 04:36:53,076 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 04:36:53,078 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 04:36:53,078 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 04:36:53,078 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 04:36:53,079 INFO L87 Difference]: Start difference. First operand 3835 states and 5119 transitions. Second operand 3 states. [2019-10-07 04:36:55,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 04:36:55,746 INFO L93 Difference]: Finished difference Result 9904 states and 13198 transitions. [2019-10-07 04:36:55,747 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 04:36:55,747 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 454 [2019-10-07 04:36:55,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 04:36:55,801 INFO L225 Difference]: With dead ends: 9904 [2019-10-07 04:36:55,801 INFO L226 Difference]: Without dead ends: 6199 [2019-10-07 04:36:55,824 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 04:36:55,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6199 states. [2019-10-07 04:36:56,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6199 to 6152. [2019-10-07 04:36:56,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6152 states. [2019-10-07 04:36:56,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6152 states to 6152 states and 8196 transitions. [2019-10-07 04:36:56,122 INFO L78 Accepts]: Start accepts. Automaton has 6152 states and 8196 transitions. Word has length 454 [2019-10-07 04:36:56,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 04:36:56,124 INFO L462 AbstractCegarLoop]: Abstraction has 6152 states and 8196 transitions. [2019-10-07 04:36:56,124 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 04:36:56,124 INFO L276 IsEmpty]: Start isEmpty. Operand 6152 states and 8196 transitions. [2019-10-07 04:36:56,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 451 [2019-10-07 04:36:56,129 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 04:36:56,130 INFO L385 BasicCegarLoop]: trace histogram [56, 56, 56, 56, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:36:56,130 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 04:36:56,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 04:36:56,131 INFO L82 PathProgramCache]: Analyzing trace with hash -379753151, now seen corresponding path program 1 times [2019-10-07 04:36:56,131 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 04:36:56,131 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 04:36:56,131 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 04:36:56,132 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 04:36:56,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 04:36:56,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 04:36:57,677 INFO L134 CoverageAnalysis]: Checked inductivity of 7700 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7700 trivial. 0 not checked. [2019-10-07 04:36:57,678 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 04:36:57,678 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 04:36:57,679 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 04:36:57,680 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 04:36:57,680 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 04:36:57,681 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 04:36:57,681 INFO L87 Difference]: Start difference. First operand 6152 states and 8196 transitions. Second operand 3 states. [2019-10-07 04:37:00,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 04:37:00,458 INFO L93 Difference]: Finished difference Result 16756 states and 22314 transitions. [2019-10-07 04:37:00,459 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 04:37:00,459 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 450 [2019-10-07 04:37:00,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 04:37:00,530 INFO L225 Difference]: With dead ends: 16756 [2019-10-07 04:37:00,531 INFO L226 Difference]: Without dead ends: 10734 [2019-10-07 04:37:00,564 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 04:37:00,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10734 states. [2019-10-07 04:37:01,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10734 to 10711. [2019-10-07 04:37:01,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10711 states. [2019-10-07 04:37:01,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10711 states to 10711 states and 14247 transitions. [2019-10-07 04:37:01,080 INFO L78 Accepts]: Start accepts. Automaton has 10711 states and 14247 transitions. Word has length 450 [2019-10-07 04:37:01,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 04:37:01,081 INFO L462 AbstractCegarLoop]: Abstraction has 10711 states and 14247 transitions. [2019-10-07 04:37:01,081 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 04:37:01,081 INFO L276 IsEmpty]: Start isEmpty. Operand 10711 states and 14247 transitions. [2019-10-07 04:37:01,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 454 [2019-10-07 04:37:01,086 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 04:37:01,087 INFO L385 BasicCegarLoop]: trace histogram [56, 56, 56, 56, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:37:01,088 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 04:37:01,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 04:37:01,088 INFO L82 PathProgramCache]: Analyzing trace with hash 1180162690, now seen corresponding path program 1 times [2019-10-07 04:37:01,089 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 04:37:01,089 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 04:37:01,089 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 04:37:01,089 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 04:37:01,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 04:37:01,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 04:37:02,032 INFO L134 CoverageAnalysis]: Checked inductivity of 7700 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7700 trivial. 0 not checked. [2019-10-07 04:37:02,032 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 04:37:02,033 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 04:37:02,033 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 04:37:02,034 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 04:37:02,034 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 04:37:02,034 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 04:37:02,034 INFO L87 Difference]: Start difference. First operand 10711 states and 14247 transitions. Second operand 3 states. [2019-10-07 04:37:05,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 04:37:05,102 INFO L93 Difference]: Finished difference Result 30181 states and 40144 transitions. [2019-10-07 04:37:05,103 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 04:37:05,103 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 453 [2019-10-07 04:37:05,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 04:37:05,236 INFO L225 Difference]: With dead ends: 30181 [2019-10-07 04:37:05,236 INFO L226 Difference]: Without dead ends: 19600 [2019-10-07 04:37:05,287 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 04:37:05,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19600 states. [2019-10-07 04:37:06,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19600 to 19559. [2019-10-07 04:37:06,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19559 states. [2019-10-07 04:37:06,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19559 states to 19559 states and 25984 transitions. [2019-10-07 04:37:06,142 INFO L78 Accepts]: Start accepts. Automaton has 19559 states and 25984 transitions. Word has length 453 [2019-10-07 04:37:06,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 04:37:06,143 INFO L462 AbstractCegarLoop]: Abstraction has 19559 states and 25984 transitions. [2019-10-07 04:37:06,144 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 04:37:06,144 INFO L276 IsEmpty]: Start isEmpty. Operand 19559 states and 25984 transitions. [2019-10-07 04:37:06,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 453 [2019-10-07 04:37:06,148 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 04:37:06,149 INFO L385 BasicCegarLoop]: trace histogram [56, 56, 56, 56, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:37:06,149 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 04:37:06,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 04:37:06,150 INFO L82 PathProgramCache]: Analyzing trace with hash -1448653741, now seen corresponding path program 1 times [2019-10-07 04:37:06,150 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 04:37:06,150 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 04:37:06,150 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 04:37:06,150 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 04:37:06,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 04:37:06,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 04:37:06,928 INFO L134 CoverageAnalysis]: Checked inductivity of 7700 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7700 trivial. 0 not checked. [2019-10-07 04:37:06,928 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 04:37:06,932 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 04:37:06,933 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 04:37:06,935 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 04:37:06,935 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 04:37:06,935 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 04:37:06,935 INFO L87 Difference]: Start difference. First operand 19559 states and 25984 transitions. Second operand 3 states. [2019-10-07 04:37:10,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 04:37:10,254 INFO L93 Difference]: Finished difference Result 55980 states and 74364 transitions. [2019-10-07 04:37:10,254 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 04:37:10,254 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 452 [2019-10-07 04:37:10,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 04:37:10,438 INFO L225 Difference]: With dead ends: 55980 [2019-10-07 04:37:10,439 INFO L226 Difference]: Without dead ends: 36551 [2019-10-07 04:37:10,513 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 04:37:10,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36551 states. [2019-10-07 04:37:13,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36551 to 36516. [2019-10-07 04:37:13,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36516 states. [2019-10-07 04:37:13,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36516 states to 36516 states and 48425 transitions. [2019-10-07 04:37:13,286 INFO L78 Accepts]: Start accepts. Automaton has 36516 states and 48425 transitions. Word has length 452 [2019-10-07 04:37:13,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 04:37:13,287 INFO L462 AbstractCegarLoop]: Abstraction has 36516 states and 48425 transitions. [2019-10-07 04:37:13,287 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 04:37:13,287 INFO L276 IsEmpty]: Start isEmpty. Operand 36516 states and 48425 transitions. [2019-10-07 04:37:13,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 451 [2019-10-07 04:37:13,291 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 04:37:13,291 INFO L385 BasicCegarLoop]: trace histogram [56, 56, 56, 56, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:37:13,292 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 04:37:13,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 04:37:13,292 INFO L82 PathProgramCache]: Analyzing trace with hash -56689023, now seen corresponding path program 1 times [2019-10-07 04:37:13,292 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 04:37:13,293 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 04:37:13,293 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 04:37:13,293 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 04:37:13,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 04:37:13,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 04:37:13,971 INFO L134 CoverageAnalysis]: Checked inductivity of 7700 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7700 trivial. 0 not checked. [2019-10-07 04:37:13,971 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 04:37:13,972 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 04:37:13,972 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 04:37:13,973 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 04:37:13,973 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 04:37:13,974 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 04:37:13,974 INFO L87 Difference]: Start difference. First operand 36516 states and 48425 transitions. Second operand 3 states. [2019-10-07 04:37:17,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 04:37:17,355 INFO L93 Difference]: Finished difference Result 108031 states and 143562 transitions. [2019-10-07 04:37:17,355 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 04:37:17,355 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 450 [2019-10-07 04:37:17,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 04:37:17,694 INFO L225 Difference]: With dead ends: 108031 [2019-10-07 04:37:17,694 INFO L226 Difference]: Without dead ends: 71645 [2019-10-07 04:37:17,801 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 04:37:17,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71645 states. [2019-10-07 04:37:19,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71645 to 71436. [2019-10-07 04:37:19,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71436 states. [2019-10-07 04:37:20,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71436 states to 71436 states and 94821 transitions. [2019-10-07 04:37:20,107 INFO L78 Accepts]: Start accepts. Automaton has 71436 states and 94821 transitions. Word has length 450 [2019-10-07 04:37:20,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 04:37:20,108 INFO L462 AbstractCegarLoop]: Abstraction has 71436 states and 94821 transitions. [2019-10-07 04:37:20,108 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 04:37:20,108 INFO L276 IsEmpty]: Start isEmpty. Operand 71436 states and 94821 transitions. [2019-10-07 04:37:20,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 472 [2019-10-07 04:37:20,114 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 04:37:20,114 INFO L385 BasicCegarLoop]: trace histogram [56, 56, 56, 56, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:37:20,114 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 04:37:20,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 04:37:20,115 INFO L82 PathProgramCache]: Analyzing trace with hash -343407869, now seen corresponding path program 1 times [2019-10-07 04:37:20,115 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 04:37:20,115 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 04:37:20,115 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 04:37:20,116 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 04:37:20,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 04:37:20,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 04:37:21,303 INFO L134 CoverageAnalysis]: Checked inductivity of 7700 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7700 trivial. 0 not checked. [2019-10-07 04:37:21,303 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 04:37:21,303 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 04:37:21,304 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 04:37:21,304 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 04:37:21,305 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 04:37:21,305 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 04:37:21,305 INFO L87 Difference]: Start difference. First operand 71436 states and 94821 transitions. Second operand 3 states. [2019-10-07 04:37:27,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 04:37:27,210 INFO L93 Difference]: Finished difference Result 195716 states and 259691 transitions. [2019-10-07 04:37:27,210 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 04:37:27,210 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 471 [2019-10-07 04:37:27,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 04:37:27,786 INFO L225 Difference]: With dead ends: 195716 [2019-10-07 04:37:27,786 INFO L226 Difference]: Without dead ends: 124410 [2019-10-07 04:37:27,978 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 04:37:28,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124410 states. [2019-10-07 04:37:33,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124410 to 123873. [2019-10-07 04:37:33,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123873 states. [2019-10-07 04:37:33,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123873 states to 123873 states and 163479 transitions. [2019-10-07 04:37:33,596 INFO L78 Accepts]: Start accepts. Automaton has 123873 states and 163479 transitions. Word has length 471 [2019-10-07 04:37:33,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 04:37:33,597 INFO L462 AbstractCegarLoop]: Abstraction has 123873 states and 163479 transitions. [2019-10-07 04:37:33,597 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 04:37:33,597 INFO L276 IsEmpty]: Start isEmpty. Operand 123873 states and 163479 transitions. [2019-10-07 04:37:33,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 503 [2019-10-07 04:37:33,603 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 04:37:33,604 INFO L385 BasicCegarLoop]: trace histogram [56, 56, 56, 56, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 04:37:33,604 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 04:37:33,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 04:37:33,605 INFO L82 PathProgramCache]: Analyzing trace with hash 939004124, now seen corresponding path program 1 times [2019-10-07 04:37:33,605 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 04:37:33,605 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 04:37:33,605 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 04:37:33,606 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 04:37:33,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 04:37:33,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 04:37:34,794 INFO L134 CoverageAnalysis]: Checked inductivity of 7712 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 7702 trivial. 0 not checked. [2019-10-07 04:37:34,794 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 04:37:34,794 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 04:37:34,795 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 04:37:34,795 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 04:37:34,795 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 04:37:34,796 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 04:37:34,796 INFO L87 Difference]: Start difference. First operand 123873 states and 163479 transitions. Second operand 5 states. [2019-10-07 04:38:03,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 04:38:03,479 INFO L93 Difference]: Finished difference Result 301485 states and 397024 transitions. [2019-10-07 04:38:03,479 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-07 04:38:03,479 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 502 [2019-10-07 04:38:03,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 04:38:04,158 INFO L225 Difference]: With dead ends: 301485 [2019-10-07 04:38:04,159 INFO L226 Difference]: Without dead ends: 177742 [2019-10-07 04:38:04,386 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-10-07 04:38:04,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177742 states. [2019-10-07 04:38:09,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177742 to 177213. [2019-10-07 04:38:09,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 177213 states. [2019-10-07 04:38:09,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177213 states to 177213 states and 232814 transitions. [2019-10-07 04:38:09,725 INFO L78 Accepts]: Start accepts. Automaton has 177213 states and 232814 transitions. Word has length 502 [2019-10-07 04:38:09,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 04:38:09,726 INFO L462 AbstractCegarLoop]: Abstraction has 177213 states and 232814 transitions. [2019-10-07 04:38:09,726 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 04:38:09,726 INFO L276 IsEmpty]: Start isEmpty. Operand 177213 states and 232814 transitions. [2019-10-07 04:38:09,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 506 [2019-10-07 04:38:09,731 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 04:38:09,732 INFO L385 BasicCegarLoop]: trace histogram [56, 56, 56, 56, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 04:38:09,732 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 04:38:09,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 04:38:09,732 INFO L82 PathProgramCache]: Analyzing trace with hash -632407094, now seen corresponding path program 1 times [2019-10-07 04:38:09,733 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 04:38:09,733 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 04:38:09,733 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 04:38:09,733 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 04:38:09,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 04:38:10,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 04:38:10,484 INFO L134 CoverageAnalysis]: Checked inductivity of 7743 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 7734 trivial. 0 not checked. [2019-10-07 04:38:10,484 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 04:38:10,484 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 04:38:10,485 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 04:38:10,485 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 04:38:10,485 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 04:38:10,486 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 04:38:10,486 INFO L87 Difference]: Start difference. First operand 177213 states and 232814 transitions. Second operand 5 states. [2019-10-07 04:38:19,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 04:38:19,560 INFO L93 Difference]: Finished difference Result 346952 states and 462847 transitions. [2019-10-07 04:38:19,561 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-07 04:38:19,561 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 505 [2019-10-07 04:38:19,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 04:38:20,747 INFO L225 Difference]: With dead ends: 346952 [2019-10-07 04:38:20,747 INFO L226 Difference]: Without dead ends: 346950 [2019-10-07 04:38:20,868 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 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 04:38:21,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346950 states. [2019-10-07 04:38:34,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346950 to 346756. [2019-10-07 04:38:34,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 346756 states. [2019-10-07 04:38:35,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346756 states to 346756 states and 462653 transitions. [2019-10-07 04:38:35,860 INFO L78 Accepts]: Start accepts. Automaton has 346756 states and 462653 transitions. Word has length 505 [2019-10-07 04:38:35,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 04:38:35,862 INFO L462 AbstractCegarLoop]: Abstraction has 346756 states and 462653 transitions. [2019-10-07 04:38:35,862 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 04:38:35,862 INFO L276 IsEmpty]: Start isEmpty. Operand 346756 states and 462653 transitions. [2019-10-07 04:38:35,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 511 [2019-10-07 04:38:35,867 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 04:38:35,868 INFO L385 BasicCegarLoop]: trace histogram [56, 56, 56, 56, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 04:38:35,868 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 04:38:35,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 04:38:35,869 INFO L82 PathProgramCache]: Analyzing trace with hash 1123848690, now seen corresponding path program 1 times [2019-10-07 04:38:35,869 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 04:38:35,869 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 04:38:35,869 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 04:38:35,870 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 04:38:35,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 04:38:36,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 04:38:36,608 INFO L134 CoverageAnalysis]: Checked inductivity of 7745 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 7734 trivial. 0 not checked. [2019-10-07 04:38:36,609 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 04:38:36,609 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 04:38:36,609 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 04:38:36,610 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 04:38:36,610 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 04:38:36,610 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 04:38:36,610 INFO L87 Difference]: Start difference. First operand 346756 states and 462653 transitions. Second operand 5 states. [2019-10-07 04:38:47,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 04:38:47,579 INFO L93 Difference]: Finished difference Result 346766 states and 462662 transitions. [2019-10-07 04:38:47,579 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 04:38:47,579 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 510 [2019-10-07 04:38:47,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 04:38:49,226 INFO L225 Difference]: With dead ends: 346766 [2019-10-07 04:38:49,226 INFO L226 Difference]: Without dead ends: 346764 [2019-10-07 04:38:49,312 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-07 04:38:49,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346764 states. [2019-10-07 04:39:03,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346764 to 346764. [2019-10-07 04:39:03,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 346764 states. [2019-10-07 04:39:05,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346764 states to 346764 states and 462659 transitions. [2019-10-07 04:39:05,489 INFO L78 Accepts]: Start accepts. Automaton has 346764 states and 462659 transitions. Word has length 510 [2019-10-07 04:39:05,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 04:39:05,490 INFO L462 AbstractCegarLoop]: Abstraction has 346764 states and 462659 transitions. [2019-10-07 04:39:05,490 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 04:39:05,490 INFO L276 IsEmpty]: Start isEmpty. Operand 346764 states and 462659 transitions. [2019-10-07 04:39:05,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 516 [2019-10-07 04:39:05,496 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 04:39:05,497 INFO L385 BasicCegarLoop]: trace histogram [56, 56, 56, 56, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 04:39:05,497 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 04:39:05,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 04:39:05,497 INFO L82 PathProgramCache]: Analyzing trace with hash 473099402, now seen corresponding path program 1 times [2019-10-07 04:39:05,498 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 04:39:05,498 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 04:39:05,498 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 04:39:05,498 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 04:39:05,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 04:39:05,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 04:39:06,205 INFO L134 CoverageAnalysis]: Checked inductivity of 7751 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 7738 trivial. 0 not checked. [2019-10-07 04:39:06,206 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 04:39:06,206 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 04:39:06,206 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 04:39:06,207 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 04:39:06,207 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 04:39:06,207 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 04:39:06,208 INFO L87 Difference]: Start difference. First operand 346764 states and 462659 transitions. Second operand 5 states. [2019-10-07 04:39:17,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 04:39:17,882 INFO L93 Difference]: Finished difference Result 346774 states and 462668 transitions. [2019-10-07 04:39:17,883 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 04:39:17,883 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 515 [2019-10-07 04:39:17,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 04:39:19,495 INFO L225 Difference]: With dead ends: 346774 [2019-10-07 04:39:19,495 INFO L226 Difference]: Without dead ends: 346770 [2019-10-07 04:39:19,580 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-07 04:39:19,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346770 states. [2019-10-07 04:39:37,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346770 to 346770. [2019-10-07 04:39:37,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 346770 states. [2019-10-07 04:39:39,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346770 states to 346770 states and 462663 transitions. [2019-10-07 04:39:39,636 INFO L78 Accepts]: Start accepts. Automaton has 346770 states and 462663 transitions. Word has length 515 [2019-10-07 04:39:39,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 04:39:39,637 INFO L462 AbstractCegarLoop]: Abstraction has 346770 states and 462663 transitions. [2019-10-07 04:39:39,637 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 04:39:39,637 INFO L276 IsEmpty]: Start isEmpty. Operand 346770 states and 462663 transitions. [2019-10-07 04:39:39,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 521 [2019-10-07 04:39:39,642 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 04:39:39,642 INFO L385 BasicCegarLoop]: trace histogram [56, 56, 56, 56, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 04:39:39,642 INFO L410 AbstractCegarLoop]: === Iteration 13 === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 04:39:39,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 04:39:39,643 INFO L82 PathProgramCache]: Analyzing trace with hash 744655026, now seen corresponding path program 1 times [2019-10-07 04:39:39,643 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 04:39:39,643 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 04:39:39,643 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 04:39:39,644 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 04:39:39,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 04:39:39,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 04:39:40,366 INFO L134 CoverageAnalysis]: Checked inductivity of 7761 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 7746 trivial. 0 not checked. [2019-10-07 04:39:40,367 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 04:39:40,367 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 04:39:40,367 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 04:39:40,368 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 04:39:40,369 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 04:39:40,370 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 04:39:40,370 INFO L87 Difference]: Start difference. First operand 346770 states and 462663 transitions. Second operand 5 states. [2019-10-07 04:39:52,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 04:39:52,848 INFO L93 Difference]: Finished difference Result 346776 states and 462668 transitions. [2019-10-07 04:39:52,849 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 04:39:52,849 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 520 [2019-10-07 04:39:52,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 04:39:54,306 INFO L225 Difference]: With dead ends: 346776 [2019-10-07 04:39:54,306 INFO L226 Difference]: Without dead ends: 340976 [2019-10-07 04:39:54,428 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-07 04:39:54,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340976 states. [2019-10-07 04:40:15,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340976 to 340976. [2019-10-07 04:40:15,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 340976 states. [2019-10-07 04:40:16,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340976 states to 340976 states and 455332 transitions. [2019-10-07 04:40:16,489 INFO L78 Accepts]: Start accepts. Automaton has 340976 states and 455332 transitions. Word has length 520 [2019-10-07 04:40:16,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 04:40:16,490 INFO L462 AbstractCegarLoop]: Abstraction has 340976 states and 455332 transitions. [2019-10-07 04:40:16,490 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 04:40:16,490 INFO L276 IsEmpty]: Start isEmpty. Operand 340976 states and 455332 transitions. [2019-10-07 04:40:16,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 550 [2019-10-07 04:40:16,498 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 04:40:16,499 INFO L385 BasicCegarLoop]: trace histogram [56, 56, 56, 56, 5, 4, 4, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:40:16,499 INFO L410 AbstractCegarLoop]: === Iteration 14 === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 04:40:16,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 04:40:16,500 INFO L82 PathProgramCache]: Analyzing trace with hash -541841354, now seen corresponding path program 1 times [2019-10-07 04:40:16,500 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 04:40:16,500 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 04:40:16,500 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 04:40:16,500 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 04:40:16,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 04:40:16,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 04:40:18,658 INFO L134 CoverageAnalysis]: Checked inductivity of 7756 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 7748 trivial. 0 not checked. [2019-10-07 04:40:18,659 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 04:40:18,659 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 04:40:18,659 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 04:40:18,660 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 04:40:18,660 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 04:40:18,660 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 04:40:18,661 INFO L87 Difference]: Start difference. First operand 340976 states and 455332 transitions. Second operand 3 states. [2019-10-07 04:40:40,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 04:40:40,221 INFO L93 Difference]: Finished difference Result 848160 states and 1133672 transitions. [2019-10-07 04:40:40,221 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 04:40:40,221 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 549 [2019-10-07 04:40:40,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 04:40:41,954 INFO L225 Difference]: With dead ends: 848160 [2019-10-07 04:40:41,955 INFO L226 Difference]: Without dead ends: 507410 [2019-10-07 04:40:51,081 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 04:40:51,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 507410 states. [2019-10-07 04:41:17,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 507410 to 505346. [2019-10-07 04:41:17,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 505346 states. [2019-10-07 04:41:20,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505346 states to 505346 states and 674532 transitions. [2019-10-07 04:41:20,507 INFO L78 Accepts]: Start accepts. Automaton has 505346 states and 674532 transitions. Word has length 549 [2019-10-07 04:41:20,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 04:41:20,508 INFO L462 AbstractCegarLoop]: Abstraction has 505346 states and 674532 transitions. [2019-10-07 04:41:20,508 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 04:41:20,508 INFO L276 IsEmpty]: Start isEmpty. Operand 505346 states and 674532 transitions. [2019-10-07 04:41:20,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 564 [2019-10-07 04:41:20,519 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 04:41:20,519 INFO L385 BasicCegarLoop]: trace histogram [56, 56, 56, 56, 5, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 04:41:20,520 INFO L410 AbstractCegarLoop]: === Iteration 15 === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 04:41:20,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 04:41:20,520 INFO L82 PathProgramCache]: Analyzing trace with hash -971478854, now seen corresponding path program 1 times [2019-10-07 04:41:20,520 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 04:41:20,520 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 04:41:20,520 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 04:41:20,520 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 04:41:20,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 04:41:20,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 04:41:21,269 INFO L134 CoverageAnalysis]: Checked inductivity of 7757 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 7749 trivial. 0 not checked. [2019-10-07 04:41:21,270 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 04:41:21,270 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 04:41:21,270 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 04:41:21,271 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 04:41:21,271 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 04:41:21,271 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 04:41:21,272 INFO L87 Difference]: Start difference. First operand 505346 states and 674532 transitions. Second operand 3 states. [2019-10-07 04:41:55,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 04:41:55,573 INFO L93 Difference]: Finished difference Result 1239070 states and 1654984 transitions. [2019-10-07 04:41:55,573 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 04:41:55,573 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 563 [2019-10-07 04:41:55,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 04:41:59,264 INFO L225 Difference]: With dead ends: 1239070 [2019-10-07 04:41:59,264 INFO L226 Difference]: Without dead ends: 733950 [2019-10-07 04:42:00,108 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 04:42:00,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 733950 states.