java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-netconsole.cil.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 07:20:13,873 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 07:20:13,876 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 07:20:13,892 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 07:20:13,893 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 07:20:13,894 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 07:20:13,896 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 07:20:13,898 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 07:20:13,900 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 07:20:13,901 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 07:20:13,903 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 07:20:13,904 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 07:20:13,905 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 07:20:13,906 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 07:20:13,907 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 07:20:13,908 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 07:20:13,910 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 07:20:13,911 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 07:20:13,913 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 07:20:13,915 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 07:20:13,917 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 07:20:13,919 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 07:20:13,920 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 07:20:13,921 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 07:20:13,924 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 07:20:13,924 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 07:20:13,925 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 07:20:13,926 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 07:20:13,926 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 07:20:13,927 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 07:20:13,928 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 07:20:13,929 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 07:20:13,930 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 07:20:13,931 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 07:20:13,932 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 07:20:13,932 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 07:20:13,933 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 07:20:13,934 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 07:20:13,934 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 07:20:13,935 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 07:20:13,936 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 07:20:13,937 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 07:20:13,956 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 07:20:13,956 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 07:20:13,958 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 07:20:13,959 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 07:20:13,959 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 07:20:13,959 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 07:20:13,960 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 07:20:13,960 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 07:20:13,960 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 07:20:13,961 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 07:20:13,962 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 07:20:13,963 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 07:20:13,963 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 07:20:13,964 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 07:20:13,964 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 07:20:13,964 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 07:20:13,964 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 07:20:13,965 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 07:20:13,965 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 07:20:13,965 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 07:20:13,966 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 07:20:13,966 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 07:20:13,966 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 07:20:13,966 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 07:20:13,967 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 07:20:13,967 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 07:20:13,967 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 07:20:13,967 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 07:20:13,967 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 07:20:14,301 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 07:20:14,326 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 07:20:14,332 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 07:20:14,334 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 07:20:14,335 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 07:20:14,336 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-netconsole.cil.i [2019-10-07 07:20:14,433 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/965f4df8f/522f66e391a64b279b9f8e445d75f2f9/FLAGd3cf89094 [2019-10-07 07:20:15,453 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 07:20:15,454 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-netconsole.cil.i [2019-10-07 07:20:15,512 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/965f4df8f/522f66e391a64b279b9f8e445d75f2f9/FLAGd3cf89094 [2019-10-07 07:20:15,841 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/965f4df8f/522f66e391a64b279b9f8e445d75f2f9 [2019-10-07 07:20:15,854 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 07:20:15,856 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 07:20:15,857 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 07:20:15,858 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 07:20:15,862 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 07:20:15,864 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 07:20:15" (1/1) ... [2019-10-07 07:20:15,868 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4924bc61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 07:20:15, skipping insertion in model container [2019-10-07 07:20:15,868 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 07:20:15" (1/1) ... [2019-10-07 07:20:15,876 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 07:20:16,084 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 07:20:19,285 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 07:20:19,368 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 07:20:19,757 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 07:20:20,360 INFO L192 MainTranslator]: Completed translation [2019-10-07 07:20:20,361 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 07:20:20 WrapperNode [2019-10-07 07:20:20,362 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 07:20:20,363 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 07:20:20,363 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 07:20:20,364 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 07:20:20,390 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 07:20:20" (1/1) ... [2019-10-07 07:20:20,391 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 07:20:20" (1/1) ... [2019-10-07 07:20:20,491 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 07:20:20" (1/1) ... [2019-10-07 07:20:20,492 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 07:20:20" (1/1) ... [2019-10-07 07:20:20,672 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 07:20:20" (1/1) ... [2019-10-07 07:20:20,718 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 07:20:20" (1/1) ... [2019-10-07 07:20:20,777 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 07:20:20" (1/1) ... [2019-10-07 07:20:20,820 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 07:20:20,821 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 07:20:20,822 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 07:20:20,822 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 07:20:20,824 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 07:20:20" (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 07:20:20,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 07:20:20,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 07:20:20,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-10-07 07:20:20,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2019-10-07 07:20:20,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-10-07 07:20:20,922 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2019-10-07 07:20:20,923 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2019-10-07 07:20:20,923 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2019-10-07 07:20:20,923 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-10-07 07:20:20,924 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-10-07 07:20:20,924 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_notifier_info_to_dev [2019-10-07 07:20:20,925 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2019-10-07 07:20:20,925 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_put [2019-10-07 07:20:20,926 INFO L138 BoogieDeclarations]: Found implementation of procedure config_item_name [2019-10-07 07:20:20,926 INFO L138 BoogieDeclarations]: Found implementation of procedure dynamic_netconsole_init [2019-10-07 07:20:20,985 INFO L138 BoogieDeclarations]: Found implementation of procedure dynamic_netconsole_exit [2019-10-07 07:20:20,986 INFO L138 BoogieDeclarations]: Found implementation of procedure netconsole_target_get [2019-10-07 07:20:20,988 INFO L138 BoogieDeclarations]: Found implementation of procedure netconsole_target_put [2019-10-07 07:20:20,989 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_param_target [2019-10-07 07:20:20,989 INFO L138 BoogieDeclarations]: Found implementation of procedure free_param_target [2019-10-07 07:20:20,989 INFO L138 BoogieDeclarations]: Found implementation of procedure to_target [2019-10-07 07:20:20,989 INFO L138 BoogieDeclarations]: Found implementation of procedure show_enabled [2019-10-07 07:20:20,989 INFO L138 BoogieDeclarations]: Found implementation of procedure show_dev_name [2019-10-07 07:20:20,989 INFO L138 BoogieDeclarations]: Found implementation of procedure show_local_port [2019-10-07 07:20:20,990 INFO L138 BoogieDeclarations]: Found implementation of procedure show_remote_port [2019-10-07 07:20:20,990 INFO L138 BoogieDeclarations]: Found implementation of procedure show_local_ip [2019-10-07 07:20:20,990 INFO L138 BoogieDeclarations]: Found implementation of procedure show_remote_ip [2019-10-07 07:20:20,990 INFO L138 BoogieDeclarations]: Found implementation of procedure show_local_mac [2019-10-07 07:20:20,990 INFO L138 BoogieDeclarations]: Found implementation of procedure show_remote_mac [2019-10-07 07:20:20,990 INFO L138 BoogieDeclarations]: Found implementation of procedure store_enabled [2019-10-07 07:20:20,990 INFO L138 BoogieDeclarations]: Found implementation of procedure store_dev_name [2019-10-07 07:20:20,991 INFO L138 BoogieDeclarations]: Found implementation of procedure store_local_port [2019-10-07 07:20:20,991 INFO L138 BoogieDeclarations]: Found implementation of procedure store_remote_port [2019-10-07 07:20:20,991 INFO L138 BoogieDeclarations]: Found implementation of procedure store_local_ip [2019-10-07 07:20:20,991 INFO L138 BoogieDeclarations]: Found implementation of procedure store_remote_ip [2019-10-07 07:20:20,991 INFO L138 BoogieDeclarations]: Found implementation of procedure store_remote_mac [2019-10-07 07:20:20,991 INFO L138 BoogieDeclarations]: Found implementation of procedure netconsole_target_release [2019-10-07 07:20:20,991 INFO L138 BoogieDeclarations]: Found implementation of procedure netconsole_target_attr_show [2019-10-07 07:20:20,992 INFO L138 BoogieDeclarations]: Found implementation of procedure netconsole_target_attr_store [2019-10-07 07:20:20,992 INFO L138 BoogieDeclarations]: Found implementation of procedure make_netconsole_target [2019-10-07 07:20:20,992 INFO L138 BoogieDeclarations]: Found implementation of procedure drop_netconsole_target [2019-10-07 07:20:20,992 INFO L138 BoogieDeclarations]: Found implementation of procedure netconsole_netdev_event [2019-10-07 07:20:20,992 INFO L138 BoogieDeclarations]: Found implementation of procedure write_msg [2019-10-07 07:20:20,992 INFO L138 BoogieDeclarations]: Found implementation of procedure init_netconsole [2019-10-07 07:20:20,993 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup_netconsole [2019-10-07 07:20:20,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_cleanup_netconsole_14_2 [2019-10-07 07:20:20,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_init_init_netconsole_14_9 [2019-10-07 07:20:20,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_allocate_external_0 [2019-10-07 07:20:20,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_deregister_10_1 [2019-10-07 07:20:20,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_deregister_12_1 [2019-10-07 07:20:20,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_deregister_dummy_resourceless_instance_4_14_4 [2019-10-07 07:20:20,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_11_1 [2019-10-07 07:20:20,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_13_2 [2019-10-07 07:20:20,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_dummy_resourceless_instance_4_14_5 [2019-10-07 07:20:20,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_0_3 [2019-10-07 07:20:20,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_10 [2019-10-07 07:20:20,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_11 [2019-10-07 07:20:20,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_14 [2019-10-07 07:20:20,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_17 [2019-10-07 07:20:20,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_20 [2019-10-07 07:20:20,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_3 [2019-10-07 07:20:20,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_7 [2019-10-07 07:20:20,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_2_10 [2019-10-07 07:20:20,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_2_11 [2019-10-07 07:20:20,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_2_14 [2019-10-07 07:20:20,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_2_17 [2019-10-07 07:20:20,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_2_20 [2019-10-07 07:20:20,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_2_3 [2019-10-07 07:20:20,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_2_7 [2019-10-07 07:20:20,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_3_10 [2019-10-07 07:20:20,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_3_11 [2019-10-07 07:20:20,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_3_14 [2019-10-07 07:20:20,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_3_17 [2019-10-07 07:20:20,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_3_20 [2019-10-07 07:20:20,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_3_3 [2019-10-07 07:20:21,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_3_7 [2019-10-07 07:20:21,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_4_10 [2019-10-07 07:20:21,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_4_11 [2019-10-07 07:20:21,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_4_14 [2019-10-07 07:20:21,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_4_17 [2019-10-07 07:20:21,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_4_20 [2019-10-07 07:20:21,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_4_3 [2019-10-07 07:20:21,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_4_7 [2019-10-07 07:20:21,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_5_10 [2019-10-07 07:20:21,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_5_11 [2019-10-07 07:20:21,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_5_14 [2019-10-07 07:20:21,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_5_17 [2019-10-07 07:20:21,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_5_20 [2019-10-07 07:20:21,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_5_3 [2019-10-07 07:20:21,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_5_7 [2019-10-07 07:20:21,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_6_10 [2019-10-07 07:20:21,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_6_11 [2019-10-07 07:20:21,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_6_14 [2019-10-07 07:20:21,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_6_17 [2019-10-07 07:20:21,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_6_20 [2019-10-07 07:20:21,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_6_3 [2019-10-07 07:20:21,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_6_7 [2019-10-07 07:20:21,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_7_10 [2019-10-07 07:20:21,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_7_11 [2019-10-07 07:20:21,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_7_14 [2019-10-07 07:20:21,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_7_17 [2019-10-07 07:20:21,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_7_20 [2019-10-07 07:20:21,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_7_3 [2019-10-07 07:20:21,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_7_7 [2019-10-07 07:20:21,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_8_10 [2019-10-07 07:20:21,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_8_11 [2019-10-07 07:20:21,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_8_14 [2019-10-07 07:20:21,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_8_17 [2019-10-07 07:20:21,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_8_20 [2019-10-07 07:20:21,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_8_3 [2019-10-07 07:20:21,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_8_7 [2019-10-07 07:20:21,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_9_3 [2019-10-07 07:20:21,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_entry_EMGentry_14 [2019-10-07 07:20:21,009 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 07:20:21,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_external_data [2019-10-07 07:20:21,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_console [2019-10-07 07:20:21,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdevice_notifier [2019-10-07 07:20:21,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_struct_console_dummy_resourceless_instance_0 [2019-10-07 07:20:21,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_struct_netconsole_target_attr_dummy_resourceless_instance_1 [2019-10-07 07:20:21,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_struct_netconsole_target_attr_dummy_resourceless_instance_2 [2019-10-07 07:20:21,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_struct_netconsole_target_attr_dummy_resourceless_instance_3 [2019-10-07 07:20:21,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_struct_netconsole_target_attr_dummy_resourceless_instance_4 [2019-10-07 07:20:21,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_struct_netconsole_target_attr_dummy_resourceless_instance_5 [2019-10-07 07:20:21,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_struct_netconsole_target_attr_dummy_resourceless_instance_6 [2019-10-07 07:20:21,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_struct_netconsole_target_attr_dummy_resourceless_instance_7 [2019-10-07 07:20:21,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_struct_netconsole_target_attr_dummy_resourceless_instance_8 [2019-10-07 07:20:21,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_struct_notifier_block_dummy_resourceless_instance_9 [2019-10-07 07:20:21,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2019-10-07 07:20:21,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_1 [2019-10-07 07:20:21,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_5 [2019-10-07 07:20:21,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_1 [2019-10-07 07:20:21,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_5 [2019-10-07 07:20:21,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_2_1 [2019-10-07 07:20:21,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_2_5 [2019-10-07 07:20:21,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_3_1 [2019-10-07 07:20:21,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_3_5 [2019-10-07 07:20:21,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_4_1 [2019-10-07 07:20:21,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_4_5 [2019-10-07 07:20:21,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_5_1 [2019-10-07 07:20:21,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_5_5 [2019-10-07 07:20:21,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_6_1 [2019-10-07 07:20:21,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_6_5 [2019-10-07 07:20:21,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_7_1 [2019-10-07 07:20:21,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_7_5 [2019-10-07 07:20:21,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_8_1 [2019-10-07 07:20:21,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_8_5 [2019-10-07 07:20:21,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_9_1 [2019-10-07 07:20:21,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_9_5 [2019-10-07 07:20:21,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_console [2019-10-07 07:20:21,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdevice_notifier [2019-10-07 07:20:21,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2019-10-07 07:20:21,032 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2019-10-07 07:20:21,033 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2019-10-07 07:20:21,033 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-10-07 07:20:21,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_13 [2019-10-07 07:20:21,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_14 [2019-10-07 07:20:21,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdevice_notifier_15 [2019-10-07 07:20:21,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_console_16 [2019-10-07 07:20:21,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdevice_notifier_17 [2019-10-07 07:20:21,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_console_18 [2019-10-07 07:20:21,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdevice_notifier_19 [2019-10-07 07:20:21,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-10-07 07:20:21,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-10-07 07:20:21,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spi_alloc_master [2019-10-07 07:20:21,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-07 07:20:21,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-10-07 07:20:21,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-10-07 07:20:21,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-10-07 07:20:21,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2019-10-07 07:20:21,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_init [2019-10-07 07:20:21,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2019-10-07 07:20:21,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2019-10-07 07:20:21,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kzalloc [2019-10-07 07:20:21,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2019-10-07 07:20:21,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-07 07:20:21,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-07 07:20:21,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-10-07 07:20:21,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-07 07:20:21,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc [2019-10-07 07:20:21,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-07 07:20:21,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2019-10-07 07:20:21,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2019-10-07 07:20:21,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xzalloc [2019-10-07 07:20:21,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc_unknown_size [2019-10-07 07:20:21,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc_unknown_size [2019-10-07 07:20:21,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc_unknown_size [2019-10-07 07:20:21,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc_unknown_size [2019-10-07 07:20:21,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-07 07:20:21,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-07 07:20:21,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-07 07:20:21,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_negative [2019-10-07 07:20:21,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_nonpositive [2019-10-07 07:20:21,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_create [2019-10-07 07:20:21,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_create_N [2019-10-07 07:20:21,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_join [2019-10-07 07:20:21,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_join_N [2019-10-07 07:20:21,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_i_mutex_of_inode [2019-10-07 07:20:21,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_or_killable_i_mutex_of_inode [2019-10-07 07:20:21,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_i_mutex_of_inode [2019-10-07 07:20:21,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_i_mutex_of_inode [2019-10-07 07:20:21,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_i_mutex_of_inode [2019-10-07 07:20:21,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_i_mutex_of_inode [2019-10-07 07:20:21,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2019-10-07 07:20:21,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_or_killable_lock [2019-10-07 07:20:21,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2019-10-07 07:20:21,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2019-10-07 07:20:21,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-10-07 07:20:21,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2019-10-07 07:20:21,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2019-10-07 07:20:21,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_or_killable_mutex_of_device [2019-10-07 07:20:21,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2019-10-07 07:20:21,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2019-10-07 07:20:21,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-10-07 07:20:21,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2019-10-07 07:20:21,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_netconsole_target [2019-10-07 07:20:21,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_or_killable_mutex_of_netconsole_target [2019-10-07 07:20:21,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_netconsole_target [2019-10-07 07:20:21,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_netconsole_target [2019-10-07 07:20:21,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_netconsole_target [2019-10-07 07:20:21,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_netconsole_target [2019-10-07 07:20:21,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-07 07:20:21,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-07 07:20:21,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2019-10-07 07:20:21,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock_try [2019-10-07 07:20:21,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2019-10-07 07:20:21,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2019-10-07 07:20:21,046 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2019-10-07 07:20:21,046 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2019-10-07 07:20:21,046 INFO L138 BoogieDeclarations]: Found implementation of procedure __netpoll_cleanup [2019-10-07 07:20:21,046 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2019-10-07 07:20:21,047 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-10-07 07:20:21,047 INFO L138 BoogieDeclarations]: Found implementation of procedure config_group_init [2019-10-07 07:20:21,047 INFO L138 BoogieDeclarations]: Found implementation of procedure config_item_get [2019-10-07 07:20:21,047 INFO L138 BoogieDeclarations]: Found implementation of procedure config_item_init_type_name [2019-10-07 07:20:21,047 INFO L138 BoogieDeclarations]: Found implementation of procedure config_item_put [2019-10-07 07:20:21,048 INFO L138 BoogieDeclarations]: Found implementation of procedure configfs_register_subsystem [2019-10-07 07:20:21,048 INFO L138 BoogieDeclarations]: Found implementation of procedure configfs_unregister_subsystem [2019-10-07 07:20:21,048 INFO L138 BoogieDeclarations]: Found implementation of procedure external_allocated_data [2019-10-07 07:20:21,048 INFO L138 BoogieDeclarations]: Found implementation of procedure in6_pton [2019-10-07 07:20:21,048 INFO L138 BoogieDeclarations]: Found implementation of procedure in_aton [2019-10-07 07:20:21,048 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtoint [2019-10-07 07:20:21,049 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtou16 [2019-10-07 07:20:21,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2019-10-07 07:20:21,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2019-10-07 07:20:21,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2019-10-07 07:20:21,049 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2019-10-07 07:20:21,049 INFO L138 BoogieDeclarations]: Found implementation of procedure mac_pton [2019-10-07 07:20:21,049 INFO L138 BoogieDeclarations]: Found implementation of procedure netpoll_cleanup [2019-10-07 07:20:21,049 INFO L138 BoogieDeclarations]: Found implementation of procedure netpoll_parse_options [2019-10-07 07:20:21,050 INFO L138 BoogieDeclarations]: Found implementation of procedure netpoll_print_options [2019-10-07 07:20:21,050 INFO L138 BoogieDeclarations]: Found implementation of procedure netpoll_send_udp [2019-10-07 07:20:21,050 INFO L138 BoogieDeclarations]: Found implementation of procedure netpoll_setup [2019-10-07 07:20:21,050 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-07 07:20:21,050 INFO L138 BoogieDeclarations]: Found implementation of procedure register_console [2019-10-07 07:20:21,050 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdevice_notifier [2019-10-07 07:20:21,051 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2019-10-07 07:20:21,051 INFO L138 BoogieDeclarations]: Found implementation of procedure strnchr [2019-10-07 07:20:21,051 INFO L138 BoogieDeclarations]: Found implementation of procedure strnlen [2019-10-07 07:20:21,051 INFO L138 BoogieDeclarations]: Found implementation of procedure strsep [2019-10-07 07:20:21,051 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_console [2019-10-07 07:20:21,053 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdevice_notifier [2019-10-07 07:20:21,057 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-07 07:20:21,057 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-07 07:20:21,058 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-07 07:20:21,058 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-07 07:20:21,058 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-10-07 07:20:21,058 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-07 07:20:21,058 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-10-07 07:20:21,058 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-10-07 07:20:21,058 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kzalloc [2019-10-07 07:20:21,059 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_13 [2019-10-07 07:20:21,059 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_netconsole_target [2019-10-07 07:20:21,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_netconsole_target [2019-10-07 07:20:21,063 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-07 07:20:21,063 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_init [2019-10-07 07:20:21,063 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-07 07:20:21,063 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2019-10-07 07:20:21,063 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-07 07:20:21,063 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-07 07:20:21,063 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2019-10-07 07:20:21,064 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2019-10-07 07:20:21,064 INFO L130 BoogieDeclarations]: Found specification of procedure external_allocated_data [2019-10-07 07:20:21,064 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2019-10-07 07:20:21,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 07:20:21,064 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-07 07:20:21,064 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtoint [2019-10-07 07:20:21,064 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtou16 [2019-10-07 07:20:21,064 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2019-10-07 07:20:21,065 INFO L130 BoogieDeclarations]: Found specification of procedure mac_pton [2019-10-07 07:20:21,065 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2019-10-07 07:20:21,065 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2019-10-07 07:20:21,065 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 07:20:21,065 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2019-10-07 07:20:21,065 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2019-10-07 07:20:21,065 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2019-10-07 07:20:21,065 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-07 07:20:21,066 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-07 07:20:21,066 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2019-10-07 07:20:21,066 INFO L130 BoogieDeclarations]: Found specification of procedure strnchr [2019-10-07 07:20:21,066 INFO L130 BoogieDeclarations]: Found specification of procedure strnlen [2019-10-07 07:20:21,066 INFO L130 BoogieDeclarations]: Found specification of procedure strsep [2019-10-07 07:20:21,066 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2019-10-07 07:20:21,066 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2019-10-07 07:20:21,067 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2019-10-07 07:20:21,067 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2019-10-07 07:20:21,067 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_14 [2019-10-07 07:20:21,067 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2019-10-07 07:20:21,067 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-10-07 07:20:21,067 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-10-07 07:20:21,067 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-10-07 07:20:21,067 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2019-10-07 07:20:21,068 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-07 07:20:21,068 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-10-07 07:20:21,068 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdevice_notifier [2019-10-07 07:20:21,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdevice_notifier_15 [2019-10-07 07:20:21,068 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdevice_notifier [2019-10-07 07:20:21,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdevice_notifier_17 [2019-10-07 07:20:21,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdevice_notifier_19 [2019-10-07 07:20:21,069 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_notifier_info_to_dev [2019-10-07 07:20:21,069 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2019-10-07 07:20:21,069 INFO L130 BoogieDeclarations]: Found specification of procedure dev_put [2019-10-07 07:20:21,069 INFO L130 BoogieDeclarations]: Found specification of procedure register_console [2019-10-07 07:20:21,069 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_console_16 [2019-10-07 07:20:21,069 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_console [2019-10-07 07:20:21,069 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_console_18 [2019-10-07 07:20:21,070 INFO L130 BoogieDeclarations]: Found specification of procedure netpoll_send_udp [2019-10-07 07:20:21,070 INFO L130 BoogieDeclarations]: Found specification of procedure netpoll_print_options [2019-10-07 07:20:21,070 INFO L130 BoogieDeclarations]: Found specification of procedure netpoll_parse_options [2019-10-07 07:20:21,070 INFO L130 BoogieDeclarations]: Found specification of procedure netpoll_setup [2019-10-07 07:20:21,070 INFO L130 BoogieDeclarations]: Found specification of procedure __netpoll_cleanup [2019-10-07 07:20:21,070 INFO L130 BoogieDeclarations]: Found specification of procedure netpoll_cleanup [2019-10-07 07:20:21,070 INFO L130 BoogieDeclarations]: Found specification of procedure in_aton [2019-10-07 07:20:21,070 INFO L130 BoogieDeclarations]: Found specification of procedure in6_pton [2019-10-07 07:20:21,071 INFO L130 BoogieDeclarations]: Found specification of procedure config_item_name [2019-10-07 07:20:21,071 INFO L130 BoogieDeclarations]: Found specification of procedure config_item_init_type_name [2019-10-07 07:20:21,071 INFO L130 BoogieDeclarations]: Found specification of procedure config_item_get [2019-10-07 07:20:21,071 INFO L130 BoogieDeclarations]: Found specification of procedure config_item_put [2019-10-07 07:20:21,071 INFO L130 BoogieDeclarations]: Found specification of procedure config_group_init [2019-10-07 07:20:21,071 INFO L130 BoogieDeclarations]: Found specification of procedure configfs_register_subsystem [2019-10-07 07:20:21,071 INFO L130 BoogieDeclarations]: Found specification of procedure configfs_unregister_subsystem [2019-10-07 07:20:21,071 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 07:20:21,072 INFO L130 BoogieDeclarations]: Found specification of procedure dynamic_netconsole_init [2019-10-07 07:20:21,072 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 07:20:21,072 INFO L130 BoogieDeclarations]: Found specification of procedure dynamic_netconsole_exit [2019-10-07 07:20:21,072 INFO L130 BoogieDeclarations]: Found specification of procedure netconsole_target_get [2019-10-07 07:20:21,072 INFO L130 BoogieDeclarations]: Found specification of procedure netconsole_target_put [2019-10-07 07:20:21,072 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_param_target [2019-10-07 07:20:21,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 07:20:21,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 07:20:21,073 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-07 07:20:21,073 INFO L130 BoogieDeclarations]: Found specification of procedure free_param_target [2019-10-07 07:20:21,073 INFO L130 BoogieDeclarations]: Found specification of procedure to_target [2019-10-07 07:20:21,073 INFO L130 BoogieDeclarations]: Found specification of procedure show_enabled [2019-10-07 07:20:21,073 INFO L130 BoogieDeclarations]: Found specification of procedure show_dev_name [2019-10-07 07:20:21,073 INFO L130 BoogieDeclarations]: Found specification of procedure show_local_port [2019-10-07 07:20:21,073 INFO L130 BoogieDeclarations]: Found specification of procedure show_remote_port [2019-10-07 07:20:21,073 INFO L130 BoogieDeclarations]: Found specification of procedure show_local_ip [2019-10-07 07:20:21,074 INFO L130 BoogieDeclarations]: Found specification of procedure show_remote_ip [2019-10-07 07:20:21,074 INFO L130 BoogieDeclarations]: Found specification of procedure show_local_mac [2019-10-07 07:20:21,074 INFO L130 BoogieDeclarations]: Found specification of procedure show_remote_mac [2019-10-07 07:20:21,074 INFO L130 BoogieDeclarations]: Found specification of procedure store_enabled [2019-10-07 07:20:21,074 INFO L130 BoogieDeclarations]: Found specification of procedure store_dev_name [2019-10-07 07:20:21,074 INFO L130 BoogieDeclarations]: Found specification of procedure store_local_port [2019-10-07 07:20:21,074 INFO L130 BoogieDeclarations]: Found specification of procedure store_remote_port [2019-10-07 07:20:21,074 INFO L130 BoogieDeclarations]: Found specification of procedure store_local_ip [2019-10-07 07:20:21,075 INFO L130 BoogieDeclarations]: Found specification of procedure store_remote_ip [2019-10-07 07:20:21,075 INFO L130 BoogieDeclarations]: Found specification of procedure store_remote_mac [2019-10-07 07:20:21,075 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-10-07 07:20:21,075 INFO L130 BoogieDeclarations]: Found specification of procedure netconsole_target_release [2019-10-07 07:20:21,075 INFO L130 BoogieDeclarations]: Found specification of procedure netconsole_target_attr_show [2019-10-07 07:20:21,075 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-10-07 07:20:21,075 INFO L130 BoogieDeclarations]: Found specification of procedure netconsole_target_attr_store [2019-10-07 07:20:21,076 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2019-10-07 07:20:21,076 INFO L130 BoogieDeclarations]: Found specification of procedure make_netconsole_target [2019-10-07 07:20:21,076 INFO L130 BoogieDeclarations]: Found specification of procedure drop_netconsole_target [2019-10-07 07:20:21,076 INFO L130 BoogieDeclarations]: Found specification of procedure netconsole_netdev_event [2019-10-07 07:20:21,076 INFO L130 BoogieDeclarations]: Found specification of procedure write_msg [2019-10-07 07:20:21,076 INFO L130 BoogieDeclarations]: Found specification of procedure init_netconsole [2019-10-07 07:20:21,076 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup_netconsole [2019-10-07 07:20:21,077 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_cleanup_netconsole_14_2 [2019-10-07 07:20:21,077 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_init_init_netconsole_14_9 [2019-10-07 07:20:21,077 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_allocate_external_0 [2019-10-07 07:20:21,077 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_deregister_10_1 [2019-10-07 07:20:21,077 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_deregister_12_1 [2019-10-07 07:20:21,077 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_deregister_dummy_resourceless_instance_4_14_4 [2019-10-07 07:20:21,077 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_11_1 [2019-10-07 07:20:21,077 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_13_2 [2019-10-07 07:20:21,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_dummy_resourceless_instance_4_14_5 [2019-10-07 07:20:21,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_0_3 [2019-10-07 07:20:21,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_10 [2019-10-07 07:20:21,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_11 [2019-10-07 07:20:21,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_14 [2019-10-07 07:20:21,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_17 [2019-10-07 07:20:21,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_20 [2019-10-07 07:20:21,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_3 [2019-10-07 07:20:21,081 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_7 [2019-10-07 07:20:21,082 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_2_10 [2019-10-07 07:20:21,082 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_2_11 [2019-10-07 07:20:21,082 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_2_14 [2019-10-07 07:20:21,083 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_2_17 [2019-10-07 07:20:21,083 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_2_20 [2019-10-07 07:20:21,083 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_2_3 [2019-10-07 07:20:21,083 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_2_7 [2019-10-07 07:20:21,083 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_3_10 [2019-10-07 07:20:21,083 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_3_11 [2019-10-07 07:20:21,083 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_3_14 [2019-10-07 07:20:21,084 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_3_17 [2019-10-07 07:20:21,084 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_3_20 [2019-10-07 07:20:21,084 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_3_3 [2019-10-07 07:20:21,084 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_3_7 [2019-10-07 07:20:21,084 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_4_10 [2019-10-07 07:20:21,084 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_4_11 [2019-10-07 07:20:21,084 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_4_14 [2019-10-07 07:20:21,085 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_4_17 [2019-10-07 07:20:21,085 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_4_20 [2019-10-07 07:20:21,085 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_4_3 [2019-10-07 07:20:21,085 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_4_7 [2019-10-07 07:20:21,085 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_5_10 [2019-10-07 07:20:21,085 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_5_11 [2019-10-07 07:20:21,085 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_5_14 [2019-10-07 07:20:21,086 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_5_17 [2019-10-07 07:20:21,086 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_5_20 [2019-10-07 07:20:21,086 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_5_3 [2019-10-07 07:20:21,086 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_5_7 [2019-10-07 07:20:21,086 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_6_10 [2019-10-07 07:20:21,086 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_6_11 [2019-10-07 07:20:21,086 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_6_14 [2019-10-07 07:20:21,086 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_6_17 [2019-10-07 07:20:21,087 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_6_20 [2019-10-07 07:20:21,087 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_6_3 [2019-10-07 07:20:21,087 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_6_7 [2019-10-07 07:20:21,087 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_7_10 [2019-10-07 07:20:21,087 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_7_11 [2019-10-07 07:20:21,087 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_7_14 [2019-10-07 07:20:21,087 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_7_17 [2019-10-07 07:20:21,088 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_7_20 [2019-10-07 07:20:21,088 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_7_3 [2019-10-07 07:20:21,088 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_7_7 [2019-10-07 07:20:21,088 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_8_10 [2019-10-07 07:20:21,088 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_8_11 [2019-10-07 07:20:21,088 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_8_14 [2019-10-07 07:20:21,088 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_8_17 [2019-10-07 07:20:21,088 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_8_20 [2019-10-07 07:20:21,089 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_8_3 [2019-10-07 07:20:21,089 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_8_7 [2019-10-07 07:20:21,089 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_9_3 [2019-10-07 07:20:21,089 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_entry_EMGentry_14 [2019-10-07 07:20:21,089 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 07:20:21,089 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_external_data [2019-10-07 07:20:21,089 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_console [2019-10-07 07:20:21,089 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdevice_notifier [2019-10-07 07:20:21,090 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_struct_console_dummy_resourceless_instance_0 [2019-10-07 07:20:21,090 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_struct_netconsole_target_attr_dummy_resourceless_instance_1 [2019-10-07 07:20:21,090 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_struct_netconsole_target_attr_dummy_resourceless_instance_2 [2019-10-07 07:20:21,090 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_struct_netconsole_target_attr_dummy_resourceless_instance_3 [2019-10-07 07:20:21,090 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_struct_netconsole_target_attr_dummy_resourceless_instance_4 [2019-10-07 07:20:21,090 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_struct_netconsole_target_attr_dummy_resourceless_instance_5 [2019-10-07 07:20:21,090 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_struct_netconsole_target_attr_dummy_resourceless_instance_6 [2019-10-07 07:20:21,091 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_struct_netconsole_target_attr_dummy_resourceless_instance_7 [2019-10-07 07:20:21,091 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_struct_netconsole_target_attr_dummy_resourceless_instance_8 [2019-10-07 07:20:21,091 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_struct_notifier_block_dummy_resourceless_instance_9 [2019-10-07 07:20:21,091 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2019-10-07 07:20:21,091 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_1 [2019-10-07 07:20:21,091 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_5 [2019-10-07 07:20:21,091 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_1 [2019-10-07 07:20:21,092 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_5 [2019-10-07 07:20:21,092 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_2_1 [2019-10-07 07:20:21,092 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_2_5 [2019-10-07 07:20:21,092 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_3_1 [2019-10-07 07:20:21,092 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_3_5 [2019-10-07 07:20:21,092 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_4_1 [2019-10-07 07:20:21,092 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_4_5 [2019-10-07 07:20:21,092 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_5_1 [2019-10-07 07:20:21,093 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_5_5 [2019-10-07 07:20:21,093 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_6_1 [2019-10-07 07:20:21,093 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_6_5 [2019-10-07 07:20:21,093 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_7_1 [2019-10-07 07:20:21,093 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_7_5 [2019-10-07 07:20:21,093 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_8_1 [2019-10-07 07:20:21,093 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_8_5 [2019-10-07 07:20:21,094 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_9_1 [2019-10-07 07:20:21,094 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_9_5 [2019-10-07 07:20:21,094 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_console [2019-10-07 07:20:21,094 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdevice_notifier [2019-10-07 07:20:21,094 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xzalloc [2019-10-07 07:20:21,094 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-10-07 07:20:21,094 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-10-07 07:20:21,095 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-07 07:20:21,095 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spi_alloc_master [2019-10-07 07:20:21,095 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-10-07 07:20:21,095 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2019-10-07 07:20:21,095 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2019-10-07 07:20:21,095 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2019-10-07 07:20:21,095 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2019-10-07 07:20:21,095 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2019-10-07 07:20:21,096 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-07 07:20:21,096 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2019-10-07 07:20:21,096 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-10-07 07:20:21,096 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-07 07:20:21,096 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2019-10-07 07:20:21,096 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc_unknown_size [2019-10-07 07:20:21,096 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc_unknown_size [2019-10-07 07:20:21,097 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc_unknown_size [2019-10-07 07:20:21,097 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc_unknown_size [2019-10-07 07:20:21,097 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 07:20:21,097 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-07 07:20:21,097 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 07:20:21,097 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 07:20:21,097 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-07 07:20:21,098 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-07 07:20:21,098 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-07 07:20:21,098 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_negative [2019-10-07 07:20:21,098 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_nonpositive [2019-10-07 07:20:21,098 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 07:20:21,098 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-07 07:20:21,098 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-07 07:20:21,098 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_create [2019-10-07 07:20:21,099 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_create_N [2019-10-07 07:20:21,099 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_join [2019-10-07 07:20:21,099 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_join_N [2019-10-07 07:20:21,099 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-10-07 07:20:21,099 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2019-10-07 07:20:21,099 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock_try [2019-10-07 07:20:21,099 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2019-10-07 07:20:21,100 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2019-10-07 07:20:21,100 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_i_mutex_of_inode [2019-10-07 07:20:21,100 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_or_killable_i_mutex_of_inode [2019-10-07 07:20:21,100 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_i_mutex_of_inode [2019-10-07 07:20:21,100 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_i_mutex_of_inode [2019-10-07 07:20:21,104 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_i_mutex_of_inode [2019-10-07 07:20:21,105 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_i_mutex_of_inode [2019-10-07 07:20:21,105 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2019-10-07 07:20:21,105 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_or_killable_lock [2019-10-07 07:20:21,105 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2019-10-07 07:20:21,105 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2019-10-07 07:20:21,105 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-10-07 07:20:21,106 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2019-10-07 07:20:21,106 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2019-10-07 07:20:21,106 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_or_killable_mutex_of_device [2019-10-07 07:20:21,106 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2019-10-07 07:20:21,106 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2019-10-07 07:20:21,106 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-10-07 07:20:21,106 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2019-10-07 07:20:21,107 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_or_killable_mutex_of_netconsole_target [2019-10-07 07:20:21,107 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_netconsole_target [2019-10-07 07:20:21,107 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_netconsole_target [2019-10-07 07:20:21,107 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_netconsole_target [2019-10-07 07:20:21,107 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 07:20:21,107 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-07 07:20:21,107 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-10-07 07:20:21,108 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 07:20:21,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-07 07:20:21,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 07:20:21,108 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 07:20:21,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-07 07:20:21,108 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-07 07:20:21,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-07 07:20:21,109 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-07 07:20:22,769 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-07 07:20:29,758 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint mainFINAL: assume true; [2019-10-07 07:20:37,108 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 07:20:37,109 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-07 07:20:37,111 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 07:20:37 BoogieIcfgContainer [2019-10-07 07:20:37,111 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 07:20:37,113 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 07:20:37,113 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 07:20:37,117 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 07:20:37,117 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 07:20:15" (1/3) ... [2019-10-07 07:20:37,118 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4dd044b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 07:20:37, skipping insertion in model container [2019-10-07 07:20:37,118 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 07:20:20" (2/3) ... [2019-10-07 07:20:37,119 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4dd044b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 07:20:37, skipping insertion in model container [2019-10-07 07:20:37,119 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 07:20:37" (3/3) ... [2019-10-07 07:20:37,121 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-netconsole.cil.i [2019-10-07 07:20:37,133 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 07:20:37,147 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2019-10-07 07:20:37,157 INFO L249 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2019-10-07 07:20:37,199 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 07:20:37,199 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 07:20:37,199 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 07:20:37,199 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 07:20:37,199 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 07:20:37,200 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 07:20:37,200 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 07:20:37,200 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 07:20:37,264 INFO L276 IsEmpty]: Start isEmpty. Operand 1781 states. [2019-10-07 07:20:37,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 556 [2019-10-07 07:20:37,302 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:20:37,304 INFO L385 BasicCegarLoop]: trace histogram [74, 74, 74, 74, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:20:37,307 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 07:20:37,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:20:37,317 INFO L82 PathProgramCache]: Analyzing trace with hash -517867628, now seen corresponding path program 1 times [2019-10-07 07:20:37,328 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:20:37,328 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:20:37,329 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:20:37,329 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:20:37,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:20:38,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:20:39,751 INFO L134 CoverageAnalysis]: Checked inductivity of 13505 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13505 trivial. 0 not checked. [2019-10-07 07:20:39,752 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:20:39,753 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:20:39,753 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 07:20:39,762 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 07:20:39,779 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 07:20:39,780 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 07:20:39,783 INFO L87 Difference]: Start difference. First operand 1781 states. Second operand 3 states. [2019-10-07 07:20:41,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:20:41,086 INFO L93 Difference]: Finished difference Result 4277 states and 5698 transitions. [2019-10-07 07:20:41,086 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 07:20:41,088 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 555 [2019-10-07 07:20:41,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:20:41,161 INFO L225 Difference]: With dead ends: 4277 [2019-10-07 07:20:41,161 INFO L226 Difference]: Without dead ends: 2799 [2019-10-07 07:20:41,183 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 07:20:41,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2799 states. [2019-10-07 07:20:41,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2799 to 2795. [2019-10-07 07:20:41,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2795 states. [2019-10-07 07:20:41,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2795 states to 2795 states and 3684 transitions. [2019-10-07 07:20:41,598 INFO L78 Accepts]: Start accepts. Automaton has 2795 states and 3684 transitions. Word has length 555 [2019-10-07 07:20:41,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:20:41,606 INFO L462 AbstractCegarLoop]: Abstraction has 2795 states and 3684 transitions. [2019-10-07 07:20:41,606 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 07:20:41,606 INFO L276 IsEmpty]: Start isEmpty. Operand 2795 states and 3684 transitions. [2019-10-07 07:20:41,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 587 [2019-10-07 07:20:41,638 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:20:41,639 INFO L385 BasicCegarLoop]: trace histogram [74, 74, 74, 74, 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] [2019-10-07 07:20:41,640 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 07:20:41,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:20:41,641 INFO L82 PathProgramCache]: Analyzing trace with hash 575882205, now seen corresponding path program 1 times [2019-10-07 07:20:41,641 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:20:41,641 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:20:41,642 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:20:41,642 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:20:41,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:20:41,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:20:42,641 INFO L134 CoverageAnalysis]: Checked inductivity of 13508 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13508 trivial. 0 not checked. [2019-10-07 07:20:42,642 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:20:42,642 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:20:42,642 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 07:20:42,645 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 07:20:42,645 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 07:20:42,646 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 07:20:42,646 INFO L87 Difference]: Start difference. First operand 2795 states and 3684 transitions. Second operand 3 states. [2019-10-07 07:20:43,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:20:43,849 INFO L93 Difference]: Finished difference Result 6796 states and 8883 transitions. [2019-10-07 07:20:43,850 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 07:20:43,850 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 586 [2019-10-07 07:20:43,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:20:43,886 INFO L225 Difference]: With dead ends: 6796 [2019-10-07 07:20:43,887 INFO L226 Difference]: Without dead ends: 4167 [2019-10-07 07:20:43,905 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 07:20:43,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4167 states. [2019-10-07 07:20:44,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4167 to 4144. [2019-10-07 07:20:44,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4144 states. [2019-10-07 07:20:44,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4144 states to 4144 states and 5400 transitions. [2019-10-07 07:20:44,220 INFO L78 Accepts]: Start accepts. Automaton has 4144 states and 5400 transitions. Word has length 586 [2019-10-07 07:20:44,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:20:44,224 INFO L462 AbstractCegarLoop]: Abstraction has 4144 states and 5400 transitions. [2019-10-07 07:20:44,224 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 07:20:44,224 INFO L276 IsEmpty]: Start isEmpty. Operand 4144 states and 5400 transitions. [2019-10-07 07:20:44,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 589 [2019-10-07 07:20:44,235 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:20:44,235 INFO L385 BasicCegarLoop]: trace histogram [74, 74, 74, 74, 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] [2019-10-07 07:20:44,236 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 07:20:44,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:20:44,236 INFO L82 PathProgramCache]: Analyzing trace with hash 785247972, now seen corresponding path program 1 times [2019-10-07 07:20:44,237 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:20:44,237 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:20:44,237 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:20:44,237 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:20:44,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:20:44,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:20:45,149 INFO L134 CoverageAnalysis]: Checked inductivity of 13508 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13508 trivial. 0 not checked. [2019-10-07 07:20:45,149 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:20:45,149 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:20:45,150 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 07:20:45,151 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 07:20:45,151 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 07:20:45,152 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 07:20:45,152 INFO L87 Difference]: Start difference. First operand 4144 states and 5400 transitions. Second operand 3 states. [2019-10-07 07:20:46,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:20:46,361 INFO L93 Difference]: Finished difference Result 10855 states and 14050 transitions. [2019-10-07 07:20:46,362 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 07:20:46,362 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 588 [2019-10-07 07:20:46,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:20:46,440 INFO L225 Difference]: With dead ends: 10855 [2019-10-07 07:20:46,440 INFO L226 Difference]: Without dead ends: 6877 [2019-10-07 07:20:46,475 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 07:20:46,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6877 states. [2019-10-07 07:20:47,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6877 to 6842. [2019-10-07 07:20:47,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6842 states. [2019-10-07 07:20:47,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6842 states to 6842 states and 8833 transitions. [2019-10-07 07:20:47,104 INFO L78 Accepts]: Start accepts. Automaton has 6842 states and 8833 transitions. Word has length 588 [2019-10-07 07:20:47,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:20:47,107 INFO L462 AbstractCegarLoop]: Abstraction has 6842 states and 8833 transitions. [2019-10-07 07:20:47,107 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 07:20:47,107 INFO L276 IsEmpty]: Start isEmpty. Operand 6842 states and 8833 transitions. [2019-10-07 07:20:47,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 588 [2019-10-07 07:20:47,127 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:20:47,128 INFO L385 BasicCegarLoop]: trace histogram [74, 74, 74, 74, 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] [2019-10-07 07:20:47,128 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 07:20:47,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:20:47,129 INFO L82 PathProgramCache]: Analyzing trace with hash 267438997, now seen corresponding path program 1 times [2019-10-07 07:20:47,130 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:20:47,131 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:20:47,132 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:20:47,132 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:20:47,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:20:47,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:20:48,370 INFO L134 CoverageAnalysis]: Checked inductivity of 13508 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13508 trivial. 0 not checked. [2019-10-07 07:20:48,370 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:20:48,371 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:20:48,371 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 07:20:48,372 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 07:20:48,373 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 07:20:48,373 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 07:20:48,374 INFO L87 Difference]: Start difference. First operand 6842 states and 8833 transitions. Second operand 3 states. [2019-10-07 07:20:49,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:20:49,984 INFO L93 Difference]: Finished difference Result 18876 states and 24260 transitions. [2019-10-07 07:20:49,984 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 07:20:49,985 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 587 [2019-10-07 07:20:49,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:20:50,089 INFO L225 Difference]: With dead ends: 18876 [2019-10-07 07:20:50,090 INFO L226 Difference]: Without dead ends: 12200 [2019-10-07 07:20:50,124 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 07:20:50,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12200 states. [2019-10-07 07:20:50,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12200 to 12171. [2019-10-07 07:20:50,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12171 states. [2019-10-07 07:20:50,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12171 states to 12171 states and 15604 transitions. [2019-10-07 07:20:50,900 INFO L78 Accepts]: Start accepts. Automaton has 12171 states and 15604 transitions. Word has length 587 [2019-10-07 07:20:50,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:20:50,901 INFO L462 AbstractCegarLoop]: Abstraction has 12171 states and 15604 transitions. [2019-10-07 07:20:50,901 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 07:20:50,902 INFO L276 IsEmpty]: Start isEmpty. Operand 12171 states and 15604 transitions. [2019-10-07 07:20:50,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 591 [2019-10-07 07:20:50,914 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:20:50,914 INFO L385 BasicCegarLoop]: trace histogram [74, 74, 74, 74, 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] [2019-10-07 07:20:50,915 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 07:20:50,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:20:50,916 INFO L82 PathProgramCache]: Analyzing trace with hash 764618597, now seen corresponding path program 1 times [2019-10-07 07:20:50,917 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:20:50,917 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:20:50,918 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:20:50,918 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:20:50,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:20:51,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:20:51,985 INFO L134 CoverageAnalysis]: Checked inductivity of 13508 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13508 trivial. 0 not checked. [2019-10-07 07:20:51,985 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:20:51,986 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:20:51,986 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 07:20:51,987 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 07:20:51,987 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 07:20:51,988 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 07:20:51,988 INFO L87 Difference]: Start difference. First operand 12171 states and 15604 transitions. Second operand 3 states. [2019-10-07 07:20:53,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:20:53,836 INFO L93 Difference]: Finished difference Result 34680 states and 44328 transitions. [2019-10-07 07:20:53,836 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 07:20:53,836 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 590 [2019-10-07 07:20:53,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:20:54,044 INFO L225 Difference]: With dead ends: 34680 [2019-10-07 07:20:54,044 INFO L226 Difference]: Without dead ends: 22675 [2019-10-07 07:20:54,111 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 07:20:54,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22675 states. [2019-10-07 07:20:55,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22675 to 22628. [2019-10-07 07:20:55,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22628 states. [2019-10-07 07:20:55,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22628 states to 22628 states and 28859 transitions. [2019-10-07 07:20:55,277 INFO L78 Accepts]: Start accepts. Automaton has 22628 states and 28859 transitions. Word has length 590 [2019-10-07 07:20:55,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:20:55,279 INFO L462 AbstractCegarLoop]: Abstraction has 22628 states and 28859 transitions. [2019-10-07 07:20:55,279 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 07:20:55,279 INFO L276 IsEmpty]: Start isEmpty. Operand 22628 states and 28859 transitions. [2019-10-07 07:20:55,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 590 [2019-10-07 07:20:55,288 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:20:55,289 INFO L385 BasicCegarLoop]: trace histogram [74, 74, 74, 74, 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] [2019-10-07 07:20:55,289 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 07:20:55,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:20:55,290 INFO L82 PathProgramCache]: Analyzing trace with hash -1273164612, now seen corresponding path program 1 times [2019-10-07 07:20:55,290 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:20:55,290 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:20:55,291 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:20:55,291 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:20:55,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:20:56,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:20:57,003 INFO L134 CoverageAnalysis]: Checked inductivity of 13508 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13508 trivial. 0 not checked. [2019-10-07 07:20:57,003 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:20:57,003 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:20:57,004 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 07:20:57,005 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 07:20:57,005 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 07:20:57,005 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 07:20:57,006 INFO L87 Difference]: Start difference. First operand 22628 states and 28859 transitions. Second operand 3 states. [2019-10-07 07:20:59,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:20:59,072 INFO L93 Difference]: Finished difference Result 65576 states and 83464 transitions. [2019-10-07 07:20:59,072 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 07:20:59,072 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 589 [2019-10-07 07:20:59,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:20:59,359 INFO L225 Difference]: With dead ends: 65576 [2019-10-07 07:20:59,359 INFO L226 Difference]: Without dead ends: 43114 [2019-10-07 07:20:59,455 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 07:20:59,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43114 states. [2019-10-07 07:21:01,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43114 to 43073. [2019-10-07 07:21:01,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43073 states. [2019-10-07 07:21:01,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43073 states to 43073 states and 54698 transitions. [2019-10-07 07:21:01,472 INFO L78 Accepts]: Start accepts. Automaton has 43073 states and 54698 transitions. Word has length 589 [2019-10-07 07:21:01,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:21:01,474 INFO L462 AbstractCegarLoop]: Abstraction has 43073 states and 54698 transitions. [2019-10-07 07:21:01,474 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 07:21:01,474 INFO L276 IsEmpty]: Start isEmpty. Operand 43073 states and 54698 transitions. [2019-10-07 07:21:01,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 593 [2019-10-07 07:21:01,482 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:21:01,483 INFO L385 BasicCegarLoop]: trace histogram [74, 74, 74, 74, 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] [2019-10-07 07:21:01,484 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 07:21:01,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:21:01,484 INFO L82 PathProgramCache]: Analyzing trace with hash -2075884882, now seen corresponding path program 1 times [2019-10-07 07:21:01,485 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:21:01,485 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:21:01,485 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:21:01,485 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:21:01,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:21:01,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:21:02,560 INFO L134 CoverageAnalysis]: Checked inductivity of 13508 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13508 trivial. 0 not checked. [2019-10-07 07:21:02,561 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:21:02,561 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:21:02,561 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 07:21:02,562 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 07:21:02,562 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 07:21:02,563 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 07:21:02,563 INFO L87 Difference]: Start difference. First operand 43073 states and 54698 transitions. Second operand 3 states. [2019-10-07 07:21:06,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:21:06,528 INFO L93 Difference]: Finished difference Result 125924 states and 159656 transitions. [2019-10-07 07:21:06,528 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 07:21:06,528 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 592 [2019-10-07 07:21:06,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:21:07,022 INFO L225 Difference]: With dead ends: 125924 [2019-10-07 07:21:07,022 INFO L226 Difference]: Without dead ends: 83017 [2019-10-07 07:21:07,178 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 07:21:07,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83017 states. [2019-10-07 07:21:10,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83017 to 82958. [2019-10-07 07:21:10,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82958 states. [2019-10-07 07:21:10,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82958 states to 82958 states and 104937 transitions. [2019-10-07 07:21:10,528 INFO L78 Accepts]: Start accepts. Automaton has 82958 states and 104937 transitions. Word has length 592 [2019-10-07 07:21:10,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:21:10,529 INFO L462 AbstractCegarLoop]: Abstraction has 82958 states and 104937 transitions. [2019-10-07 07:21:10,529 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 07:21:10,529 INFO L276 IsEmpty]: Start isEmpty. Operand 82958 states and 104937 transitions. [2019-10-07 07:21:10,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 592 [2019-10-07 07:21:10,537 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:21:10,538 INFO L385 BasicCegarLoop]: trace histogram [74, 74, 74, 74, 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] [2019-10-07 07:21:10,539 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 07:21:10,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:21:10,539 INFO L82 PathProgramCache]: Analyzing trace with hash 229323776, now seen corresponding path program 1 times [2019-10-07 07:21:10,539 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:21:10,540 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:21:10,540 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:21:10,540 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:21:10,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:21:10,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:21:13,460 INFO L134 CoverageAnalysis]: Checked inductivity of 13508 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13508 trivial. 0 not checked. [2019-10-07 07:21:13,460 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:21:13,461 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:21:13,461 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 07:21:13,462 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 07:21:13,463 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 07:21:13,463 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 07:21:13,463 INFO L87 Difference]: Start difference. First operand 82958 states and 104937 transitions. Second operand 3 states. [2019-10-07 07:21:17,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:21:17,170 INFO L93 Difference]: Finished difference Result 243496 states and 307584 transitions. [2019-10-07 07:21:17,170 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 07:21:17,170 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 591 [2019-10-07 07:21:17,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:21:18,093 INFO L225 Difference]: With dead ends: 243496 [2019-10-07 07:21:18,093 INFO L226 Difference]: Without dead ends: 160704 [2019-10-07 07:21:18,414 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 07:21:18,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160704 states. [2019-10-07 07:21:25,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160704 to 160651. [2019-10-07 07:21:25,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160651 states. [2019-10-07 07:21:26,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160651 states to 160651 states and 202440 transitions. [2019-10-07 07:21:26,315 INFO L78 Accepts]: Start accepts. Automaton has 160651 states and 202440 transitions. Word has length 591 [2019-10-07 07:21:26,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:21:26,317 INFO L462 AbstractCegarLoop]: Abstraction has 160651 states and 202440 transitions. [2019-10-07 07:21:26,317 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 07:21:26,317 INFO L276 IsEmpty]: Start isEmpty. Operand 160651 states and 202440 transitions. [2019-10-07 07:21:26,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 594 [2019-10-07 07:21:26,324 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:21:26,325 INFO L385 BasicCegarLoop]: trace histogram [74, 74, 74, 74, 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] [2019-10-07 07:21:26,325 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 07:21:26,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:21:26,326 INFO L82 PathProgramCache]: Analyzing trace with hash 1784432456, now seen corresponding path program 1 times [2019-10-07 07:21:26,326 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:21:26,326 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:21:26,327 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:21:26,327 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:21:26,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:21:26,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:21:27,030 INFO L134 CoverageAnalysis]: Checked inductivity of 13508 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13508 trivial. 0 not checked. [2019-10-07 07:21:27,030 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:21:27,031 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:21:27,031 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 07:21:27,032 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 07:21:27,032 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 07:21:27,033 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 07:21:27,033 INFO L87 Difference]: Start difference. First operand 160651 states and 202440 transitions. Second operand 3 states. [2019-10-07 07:21:36,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:21:36,697 INFO L93 Difference]: Finished difference Result 471725 states and 593622 transitions. [2019-10-07 07:21:36,698 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 07:21:36,698 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 593 [2019-10-07 07:21:36,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:21:38,365 INFO L225 Difference]: With dead ends: 471725 [2019-10-07 07:21:38,365 INFO L226 Difference]: Without dead ends: 311240 [2019-10-07 07:21:39,777 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 07:21:40,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311240 states. [2019-10-07 07:21:54,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311240 to 311175. [2019-10-07 07:21:54,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 311175 states. [2019-10-07 07:21:54,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311175 states to 311175 states and 390579 transitions. [2019-10-07 07:21:54,855 INFO L78 Accepts]: Start accepts. Automaton has 311175 states and 390579 transitions. Word has length 593 [2019-10-07 07:21:54,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:21:54,856 INFO L462 AbstractCegarLoop]: Abstraction has 311175 states and 390579 transitions. [2019-10-07 07:21:54,857 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 07:21:54,857 INFO L276 IsEmpty]: Start isEmpty. Operand 311175 states and 390579 transitions. [2019-10-07 07:21:54,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 633 [2019-10-07 07:21:54,867 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:21:54,868 INFO L385 BasicCegarLoop]: trace histogram [74, 74, 74, 74, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:21:54,868 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 07:21:54,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:21:54,868 INFO L82 PathProgramCache]: Analyzing trace with hash -564996060, now seen corresponding path program 1 times [2019-10-07 07:21:54,869 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:21:54,869 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:21:54,869 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:21:54,870 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:21:54,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:21:55,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:21:55,676 INFO L134 CoverageAnalysis]: Checked inductivity of 13546 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 13539 trivial. 0 not checked. [2019-10-07 07:21:55,676 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:21:55,677 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:21:55,677 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 07:21:55,678 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 07:21:55,678 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 07:21:55,678 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 07:21:55,678 INFO L87 Difference]: Start difference. First operand 311175 states and 390579 transitions. Second operand 5 states. [2019-10-07 07:22:05,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:22:05,734 INFO L93 Difference]: Finished difference Result 311181 states and 390584 transitions. [2019-10-07 07:22:05,734 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 07:22:05,735 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 632 [2019-10-07 07:22:05,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:22:06,798 INFO L225 Difference]: With dead ends: 311181 [2019-10-07 07:22:06,798 INFO L226 Difference]: Without dead ends: 311179 [2019-10-07 07:22:06,905 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 07:22:07,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311179 states. [2019-10-07 07:22:24,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311179 to 311179. [2019-10-07 07:22:24,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 311179 states. [2019-10-07 07:22:25,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311179 states to 311179 states and 390582 transitions. [2019-10-07 07:22:25,350 INFO L78 Accepts]: Start accepts. Automaton has 311179 states and 390582 transitions. Word has length 632 [2019-10-07 07:22:25,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:22:25,351 INFO L462 AbstractCegarLoop]: Abstraction has 311179 states and 390582 transitions. [2019-10-07 07:22:25,351 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 07:22:25,352 INFO L276 IsEmpty]: Start isEmpty. Operand 311179 states and 390582 transitions. [2019-10-07 07:22:25,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 638 [2019-10-07 07:22:25,358 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:22:25,359 INFO L385 BasicCegarLoop]: trace histogram [74, 74, 74, 74, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:22:25,359 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 07:22:25,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:22:25,359 INFO L82 PathProgramCache]: Analyzing trace with hash -481051111, now seen corresponding path program 1 times [2019-10-07 07:22:25,360 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:22:25,360 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:22:25,360 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:22:25,360 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:22:25,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:22:25,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:22:26,058 INFO L134 CoverageAnalysis]: Checked inductivity of 13548 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 13539 trivial. 0 not checked. [2019-10-07 07:22:26,058 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:22:26,059 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:22:26,059 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 07:22:26,060 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 07:22:26,060 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 07:22:26,060 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 07:22:26,060 INFO L87 Difference]: Start difference. First operand 311179 states and 390582 transitions. Second operand 5 states. [2019-10-07 07:22:36,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:22:36,708 INFO L93 Difference]: Finished difference Result 311185 states and 390587 transitions. [2019-10-07 07:22:36,708 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 07:22:36,708 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 637 [2019-10-07 07:22:36,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:22:37,703 INFO L225 Difference]: With dead ends: 311185 [2019-10-07 07:22:37,704 INFO L226 Difference]: Without dead ends: 311183 [2019-10-07 07:22:37,807 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 07:22:38,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311183 states. [2019-10-07 07:22:49,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311183 to 311183. [2019-10-07 07:22:49,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 311183 states. [2019-10-07 07:22:51,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311183 states to 311183 states and 390585 transitions. [2019-10-07 07:22:51,269 INFO L78 Accepts]: Start accepts. Automaton has 311183 states and 390585 transitions. Word has length 637 [2019-10-07 07:22:51,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:22:51,270 INFO L462 AbstractCegarLoop]: Abstraction has 311183 states and 390585 transitions. [2019-10-07 07:22:51,270 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 07:22:51,270 INFO L276 IsEmpty]: Start isEmpty. Operand 311183 states and 390585 transitions. [2019-10-07 07:22:51,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 643 [2019-10-07 07:22:51,277 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:22:51,278 INFO L385 BasicCegarLoop]: trace histogram [74, 74, 74, 74, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:22:51,278 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 07:22:51,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:22:51,279 INFO L82 PathProgramCache]: Analyzing trace with hash 1716150532, now seen corresponding path program 1 times [2019-10-07 07:22:51,279 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:22:51,279 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:22:51,279 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:22:51,279 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:22:51,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:22:51,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:22:51,979 INFO L134 CoverageAnalysis]: Checked inductivity of 13554 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 13543 trivial. 0 not checked. [2019-10-07 07:22:51,979 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:22:51,979 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:22:51,979 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 07:22:51,980 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 07:22:51,981 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 07:22:51,981 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 07:22:51,981 INFO L87 Difference]: Start difference. First operand 311183 states and 390585 transitions. Second operand 5 states. [2019-10-07 07:23:02,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:23:02,564 INFO L93 Difference]: Finished difference Result 311189 states and 390590 transitions. [2019-10-07 07:23:02,565 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 07:23:02,565 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 642 [2019-10-07 07:23:02,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:23:03,536 INFO L225 Difference]: With dead ends: 311189 [2019-10-07 07:23:03,536 INFO L226 Difference]: Without dead ends: 311185 [2019-10-07 07:23:03,632 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 07:23:03,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311185 states. [2019-10-07 07:23:14,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311185 to 311185. [2019-10-07 07:23:14,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 311185 states. [2019-10-07 07:23:23,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311185 states to 311185 states and 390586 transitions. [2019-10-07 07:23:23,886 INFO L78 Accepts]: Start accepts. Automaton has 311185 states and 390586 transitions. Word has length 642 [2019-10-07 07:23:23,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:23:23,887 INFO L462 AbstractCegarLoop]: Abstraction has 311185 states and 390586 transitions. [2019-10-07 07:23:23,887 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 07:23:23,887 INFO L276 IsEmpty]: Start isEmpty. Operand 311185 states and 390586 transitions. [2019-10-07 07:23:23,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 648 [2019-10-07 07:23:23,896 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:23:23,896 INFO L385 BasicCegarLoop]: trace histogram [74, 74, 74, 74, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:23:23,897 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 07:23:23,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:23:23,897 INFO L82 PathProgramCache]: Analyzing trace with hash 1330180281, now seen corresponding path program 1 times [2019-10-07 07:23:23,898 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:23:23,898 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:23:23,898 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:23:23,898 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:23:23,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:23:24,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:23:24,514 INFO L134 CoverageAnalysis]: Checked inductivity of 13564 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 13551 trivial. 0 not checked. [2019-10-07 07:23:24,514 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:23:24,515 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:23:24,515 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 07:23:24,515 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 07:23:24,516 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 07:23:24,516 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 07:23:24,516 INFO L87 Difference]: Start difference. First operand 311185 states and 390586 transitions. Second operand 5 states. [2019-10-07 07:23:36,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:23:36,144 INFO L93 Difference]: Finished difference Result 334077 states and 416846 transitions. [2019-10-07 07:23:36,145 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 07:23:36,145 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 647 [2019-10-07 07:23:36,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:23:37,549 INFO L225 Difference]: With dead ends: 334077 [2019-10-07 07:23:37,549 INFO L226 Difference]: Without dead ends: 316640 [2019-10-07 07:23:37,644 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 07:23:37,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 316640 states. [2019-10-07 07:23:51,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 316640 to 316640. [2019-10-07 07:23:51,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 316640 states. [2019-10-07 07:23:53,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316640 states to 316640 states and 396085 transitions. [2019-10-07 07:23:53,079 INFO L78 Accepts]: Start accepts. Automaton has 316640 states and 396085 transitions. Word has length 647 [2019-10-07 07:23:53,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:23:53,080 INFO L462 AbstractCegarLoop]: Abstraction has 316640 states and 396085 transitions. [2019-10-07 07:23:53,080 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 07:23:53,080 INFO L276 IsEmpty]: Start isEmpty. Operand 316640 states and 396085 transitions. [2019-10-07 07:23:53,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 709 [2019-10-07 07:23:53,094 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:23:53,094 INFO L385 BasicCegarLoop]: trace histogram [74, 74, 74, 74, 6, 6, 5, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:23:53,094 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 07:23:53,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:23:53,095 INFO L82 PathProgramCache]: Analyzing trace with hash 967622826, now seen corresponding path program 1 times [2019-10-07 07:23:53,095 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:23:53,095 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:23:53,095 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:23:53,095 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:23:53,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:23:53,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:23:59,860 INFO L134 CoverageAnalysis]: Checked inductivity of 13587 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 13579 trivial. 0 not checked. [2019-10-07 07:23:59,861 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:23:59,861 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:23:59,861 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 07:23:59,862 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 07:23:59,862 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 07:23:59,863 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 07:23:59,863 INFO L87 Difference]: Start difference. First operand 316640 states and 396085 transitions. Second operand 3 states. [2019-10-07 07:24:16,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:24:16,717 INFO L93 Difference]: Finished difference Result 785351 states and 982389 transitions. [2019-10-07 07:24:16,718 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 07:24:16,718 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 708 [2019-10-07 07:24:16,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:24:18,164 INFO L225 Difference]: With dead ends: 785351 [2019-10-07 07:24:18,164 INFO L226 Difference]: Without dead ends: 469121 [2019-10-07 07:24:18,656 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 07:24:19,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 469121 states. [2019-10-07 07:24:44,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 469121 to 469111. [2019-10-07 07:24:44,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 469111 states. [2019-10-07 07:24:46,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469111 states to 469111 states and 586069 transitions. [2019-10-07 07:24:46,786 INFO L78 Accepts]: Start accepts. Automaton has 469111 states and 586069 transitions. Word has length 708 [2019-10-07 07:24:46,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:24:46,787 INFO L462 AbstractCegarLoop]: Abstraction has 469111 states and 586069 transitions. [2019-10-07 07:24:46,787 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 07:24:46,787 INFO L276 IsEmpty]: Start isEmpty. Operand 469111 states and 586069 transitions. [2019-10-07 07:24:46,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 711 [2019-10-07 07:24:46,801 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:24:46,801 INFO L385 BasicCegarLoop]: trace histogram [74, 74, 74, 74, 6, 6, 5, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:24:46,802 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 07:24:46,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:24:46,803 INFO L82 PathProgramCache]: Analyzing trace with hash -709137295, now seen corresponding path program 1 times [2019-10-07 07:24:46,803 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:24:46,803 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:24:46,803 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:24:46,803 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:24:46,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:24:46,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:24:47,507 INFO L134 CoverageAnalysis]: Checked inductivity of 13587 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 13579 trivial. 0 not checked. [2019-10-07 07:24:47,507 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:24:47,507 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:24:47,508 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 07:24:47,509 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 07:24:47,509 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 07:24:47,510 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 07:24:47,510 INFO L87 Difference]: Start difference. First operand 469111 states and 586069 transitions. Second operand 3 states. [2019-10-07 07:25:22,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:25:22,902 INFO L93 Difference]: Finished difference Result 1162680 states and 1452409 transitions. [2019-10-07 07:25:22,902 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 07:25:22,903 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 710 [2019-10-07 07:25:22,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:25:26,333 INFO L225 Difference]: With dead ends: 1162680 [2019-10-07 07:25:26,333 INFO L226 Difference]: Without dead ends: 693979 [2019-10-07 07:25:27,064 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 07:25:27,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 693979 states. [2019-10-07 07:26:06,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 693979 to 693957. [2019-10-07 07:26:06,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 693957 states. [2019-10-07 07:26:09,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 693957 states to 693957 states and 865709 transitions. [2019-10-07 07:26:09,123 INFO L78 Accepts]: Start accepts. Automaton has 693957 states and 865709 transitions. Word has length 710 [2019-10-07 07:26:09,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:26:09,124 INFO L462 AbstractCegarLoop]: Abstraction has 693957 states and 865709 transitions. [2019-10-07 07:26:09,124 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 07:26:09,124 INFO L276 IsEmpty]: Start isEmpty. Operand 693957 states and 865709 transitions. [2019-10-07 07:26:09,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 710 [2019-10-07 07:26:09,136 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:26:09,136 INFO L385 BasicCegarLoop]: trace histogram [74, 74, 74, 74, 6, 6, 5, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:26:09,136 INFO L410 AbstractCegarLoop]: === Iteration 16 === [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 07:26:09,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:26:09,137 INFO L82 PathProgramCache]: Analyzing trace with hash -473503640, now seen corresponding path program 1 times [2019-10-07 07:26:09,137 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:26:09,137 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:26:09,138 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:26:09,138 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:26:09,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:26:09,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:26:09,755 INFO L134 CoverageAnalysis]: Checked inductivity of 13587 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 13579 trivial. 0 not checked. [2019-10-07 07:26:09,755 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:26:09,758 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:26:09,758 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 07:26:09,759 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 07:26:09,759 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 07:26:09,760 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 07:26:09,760 INFO L87 Difference]: Start difference. First operand 693957 states and 865709 transitions. Second operand 3 states. [2019-10-07 07:26:58,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:26:58,073 INFO L93 Difference]: Finished difference Result 1719004 states and 2144303 transitions. [2019-10-07 07:26:58,074 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 07:26:58,074 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 709 [2019-10-07 07:26:58,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:27:02,661 INFO L225 Difference]: With dead ends: 1719004 [2019-10-07 07:27:02,661 INFO L226 Difference]: Without dead ends: 1025457 [2019-10-07 07:27:03,715 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 07:27:04,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1025457 states.