/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml --sifa.abstract.domain OctagonDomain -i ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-rc-imon.cil.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-03 07:12:04,955 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-03 07:12:04,957 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-03 07:12:04,998 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-03 07:12:04,998 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-03 07:12:04,999 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-03 07:12:05,000 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-03 07:12:05,002 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-03 07:12:05,003 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-03 07:12:05,003 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-03 07:12:05,004 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-03 07:12:05,005 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-03 07:12:05,005 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-03 07:12:05,006 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-03 07:12:05,007 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-03 07:12:05,008 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-03 07:12:05,013 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-03 07:12:05,019 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-03 07:12:05,023 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-03 07:12:05,028 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-03 07:12:05,029 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-03 07:12:05,031 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-03 07:12:05,032 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-03 07:12:05,033 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-03 07:12:05,035 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-03 07:12:05,035 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-03 07:12:05,036 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-03 07:12:05,036 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-03 07:12:05,037 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-03 07:12:05,037 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-03 07:12:05,037 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-03 07:12:05,038 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-03 07:12:05,039 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-03 07:12:05,039 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-03 07:12:05,040 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-03 07:12:05,040 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-03 07:12:05,045 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-03 07:12:05,046 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-03 07:12:05,047 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-03 07:12:05,047 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-03 07:12:05,048 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-03 07:12:05,049 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2023-04-03 07:12:05,083 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-03 07:12:05,083 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-03 07:12:05,084 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-03 07:12:05,084 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-03 07:12:05,084 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-03 07:12:05,085 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-03 07:12:05,085 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-03 07:12:05,085 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-03 07:12:05,085 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-03 07:12:05,085 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-03 07:12:05,085 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-03 07:12:05,085 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-03 07:12:05,085 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-03 07:12:05,086 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-03 07:12:05,086 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-03 07:12:05,086 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-03 07:12:05,086 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-03 07:12:05,086 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-03 07:12:05,087 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-03 07:12:05,087 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-03 07:12:05,087 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-03 07:12:05,087 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-03 07:12:05,087 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-03 07:12:05,087 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-03 07:12:05,087 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-03 07:12:05,087 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-03 07:12:05,087 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-03 07:12:05,088 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-03 07:12:05,088 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-03 07:12:05,088 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-03 07:12:05,088 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-03 07:12:05,088 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-03 07:12:05,088 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 07:12:05,092 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-03 07:12:05,092 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-03 07:12:05,092 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-03 07:12:05,093 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-03 07:12:05,093 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-03 07:12:05,093 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-03 07:12:05,094 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-03 07:12:05,094 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-03 07:12:05,094 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-03 07:12:05,336 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-03 07:12:05,356 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-03 07:12:05,358 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-03 07:12:05,359 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-03 07:12:05,360 INFO L275 PluginConnector]: CDTParser initialized [2023-04-03 07:12:05,361 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-rc-imon.cil.i [2023-04-03 07:12:06,572 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-03 07:12:07,098 INFO L351 CDTParser]: Found 1 translation units. [2023-04-03 07:12:07,099 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-rc-imon.cil.i [2023-04-03 07:12:07,138 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2f4bc0dbc/001a3e67a2b043d1b48832a4a917b866/FLAG524c4c900 [2023-04-03 07:12:07,153 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2f4bc0dbc/001a3e67a2b043d1b48832a4a917b866 [2023-04-03 07:12:07,155 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-03 07:12:07,156 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-03 07:12:07,158 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-03 07:12:07,158 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-03 07:12:07,161 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-03 07:12:07,161 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 07:12:07" (1/1) ... [2023-04-03 07:12:07,163 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d47c8e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 07:12:07, skipping insertion in model container [2023-04-03 07:12:07,163 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 07:12:07" (1/1) ... [2023-04-03 07:12:07,170 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-03 07:12:07,303 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-03 07:12:08,953 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-rc-imon.cil.i[284136,284149] [2023-04-03 07:12:08,957 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-rc-imon.cil.i[284302,284315] [2023-04-03 07:12:08,957 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-rc-imon.cil.i[284466,284479] [2023-04-03 07:12:08,958 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-rc-imon.cil.i[284631,284644] [2023-04-03 07:12:08,981 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 07:12:09,023 INFO L203 MainTranslator]: Completed pre-run [2023-04-03 07:12:09,360 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-rc-imon.cil.i[284136,284149] [2023-04-03 07:12:09,361 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-rc-imon.cil.i[284302,284315] [2023-04-03 07:12:09,361 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-rc-imon.cil.i[284466,284479] [2023-04-03 07:12:09,362 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-rc-imon.cil.i[284631,284644] [2023-04-03 07:12:09,365 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 07:12:09,458 WARN L667 CHandler]: The function __xchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-04-03 07:12:09,458 WARN L667 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-04-03 07:12:09,464 INFO L208 MainTranslator]: Completed translation [2023-04-03 07:12:09,465 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 07:12:09 WrapperNode [2023-04-03 07:12:09,465 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-03 07:12:09,466 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-03 07:12:09,466 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-03 07:12:09,466 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-03 07:12:09,476 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 07:12:09" (1/1) ... [2023-04-03 07:12:09,477 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 07:12:09" (1/1) ... [2023-04-03 07:12:09,572 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 07:12:09" (1/1) ... [2023-04-03 07:12:09,573 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 07:12:09" (1/1) ... [2023-04-03 07:12:09,686 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 07:12:09" (1/1) ... [2023-04-03 07:12:09,715 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 07:12:09" (1/1) ... [2023-04-03 07:12:09,743 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 07:12:09" (1/1) ... [2023-04-03 07:12:09,768 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 07:12:09" (1/1) ... [2023-04-03 07:12:09,801 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-03 07:12:09,802 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-03 07:12:09,803 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-03 07:12:09,803 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-03 07:12:09,803 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 07:12:09" (1/1) ... [2023-04-03 07:12:09,809 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 07:12:09,817 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 07:12:09,834 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-04-03 07:12:09,840 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-04-03 07:12:09,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-03 07:12:09,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-03 07:12:09,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2023-04-03 07:12:09,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-04-03 07:12:09,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-04-03 07:12:09,870 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_bit [2023-04-03 07:12:09,870 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2023-04-03 07:12:09,870 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab64 [2023-04-03 07:12:09,870 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2023-04-03 07:12:09,871 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-04-03 07:12:09,871 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-04-03 07:12:09,871 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2023-04-03 07:12:09,871 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2023-04-03 07:12:09,871 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2023-04-03 07:12:09,871 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2023-04-03 07:12:09,871 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2023-04-03 07:12:09,871 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2023-04-03 07:12:09,871 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_make_path [2023-04-03 07:12:09,871 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_control_urb [2023-04-03 07:12:09,871 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2023-04-03 07:12:09,871 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2023-04-03 07:12:09,872 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2023-04-03 07:12:09,872 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-04-03 07:12:09,872 INFO L138 BoogieDeclarations]: Found implementation of procedure input_allocate_device [2023-04-03 07:12:09,872 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_drvdata [2023-04-03 07:12:09,872 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_key [2023-04-03 07:12:09,872 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_rel [2023-04-03 07:12:09,872 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_abs [2023-04-03 07:12:09,872 INFO L138 BoogieDeclarations]: Found implementation of procedure input_sync [2023-04-03 07:12:09,873 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_to_input_id [2023-04-03 07:12:09,873 INFO L138 BoogieDeclarations]: Found implementation of procedure free_imon_context [2023-04-03 07:12:09,873 INFO L138 BoogieDeclarations]: Found implementation of procedure display_open [2023-04-03 07:12:09,873 INFO L138 BoogieDeclarations]: Found implementation of procedure display_close [2023-04-03 07:12:09,873 INFO L138 BoogieDeclarations]: Found implementation of procedure send_packet [2023-04-03 07:12:09,873 INFO L138 BoogieDeclarations]: Found implementation of procedure send_associate_24g [2023-04-03 07:12:09,873 INFO L138 BoogieDeclarations]: Found implementation of procedure send_set_imon_clock [2023-04-03 07:12:09,873 INFO L138 BoogieDeclarations]: Found implementation of procedure show_associate_remote [2023-04-03 07:12:09,873 INFO L138 BoogieDeclarations]: Found implementation of procedure store_associate_remote [2023-04-03 07:12:09,873 INFO L138 BoogieDeclarations]: Found implementation of procedure show_imon_clock [2023-04-03 07:12:09,874 INFO L138 BoogieDeclarations]: Found implementation of procedure store_imon_clock [2023-04-03 07:12:09,874 INFO L138 BoogieDeclarations]: Found implementation of procedure vfd_write [2023-04-03 07:12:09,874 INFO L138 BoogieDeclarations]: Found implementation of procedure lcd_write [2023-04-03 07:12:09,874 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_tx_callback [2023-04-03 07:12:09,874 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_touch_display_timeout [2023-04-03 07:12:09,874 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_ir_change_protocol [2023-04-03 07:12:09,874 INFO L138 BoogieDeclarations]: Found implementation of procedure tv2int [2023-04-03 07:12:09,874 INFO L138 BoogieDeclarations]: Found implementation of procedure stabilize [2023-04-03 07:12:09,874 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_remote_key_lookup [2023-04-03 07:12:09,874 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_mce_key_lookup [2023-04-03 07:12:09,875 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_panel_key_lookup [2023-04-03 07:12:09,875 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_mouse_event [2023-04-03 07:12:09,875 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_touch_event [2023-04-03 07:12:09,875 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_pad_to_keys [2023-04-03 07:12:09,875 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_parse_press_type [2023-04-03 07:12:09,875 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_incoming_packet [2023-04-03 07:12:09,875 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_rx_callback_intf0 [2023-04-03 07:12:09,875 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_rx_callback_intf1 [2023-04-03 07:12:09,875 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_get_ffdc_type [2023-04-03 07:12:09,875 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_set_display_type [2023-04-03 07:12:09,875 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_init_rdev [2023-04-03 07:12:09,875 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_init_idev [2023-04-03 07:12:09,876 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_init_touch [2023-04-03 07:12:09,876 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_find_endpoints [2023-04-03 07:12:09,876 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_init_intf0 [2023-04-03 07:12:09,876 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_init_intf1 [2023-04-03 07:12:09,876 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_init_display [2023-04-03 07:12:09,876 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_probe [2023-04-03 07:12:09,876 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_disconnect [2023-04-03 07:12:09,876 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_suspend [2023-04-03 07:12:09,876 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_resume [2023-04-03 07:12:09,876 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_driver_init [2023-04-03 07:12:09,876 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_driver_exit [2023-04-03 07:12:09,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_imon_driver_exit_11_2 [2023-04-03 07:12:09,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_init_imon_driver_init_11_11 [2023-04-03 07:12:09,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_allocate_external_0 [2023-04-03 07:12:09,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2023-04-03 07:12:09,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_deregister_9_1 [2023-04-03 07:12:09,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_deregister_dummy_resourceless_instance_6_11_4 [2023-04-03 07:12:09,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_deregister_file_operations_instance_5_11_5 [2023-04-03 07:12:09,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_instance_deregister_6_2 [2023-04-03 07:12:09,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_instance_deregister_7_1 [2023-04-03 07:12:09,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_instance_register_6_3 [2023-04-03 07:12:09,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_instance_register_8_2 [2023-04-03 07:12:09,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_10_2 [2023-04-03 07:12:09,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_dummy_resourceless_instance_6_11_6 [2023-04-03 07:12:09,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_file_operations_instance_5_11_7 [2023-04-03 07:12:09,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_2_3 [2023-04-03 07:12:09,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_2_9 [2023-04-03 07:12:09,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_3_3 [2023-04-03 07:12:09,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_3_9 [2023-04-03 07:12:09,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_entry_EMGentry_11 [2023-04-03 07:12:09,878 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-03 07:12:09,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_file_operations_instance_0 [2023-04-03 07:12:09,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_file_operations_instance_1 [2023-04-03 07:12:09,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_instance_callback_0_5 [2023-04-03 07:12:09,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_instance_callback_1_5 [2023-04-03 07:12:09,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_instance_probe_0_12 [2023-04-03 07:12:09,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_instance_probe_1_12 [2023-04-03 07:12:09,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_instance_release_0_2 [2023-04-03 07:12:09,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_instance_release_1_2 [2023-04-03 07:12:09,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_instance_write_0_4 [2023-04-03 07:12:09,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_instance_write_1_4 [2023-04-03 07:12:09,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_external_data [2023-04-03 07:12:09,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2023-04-03 07:12:09,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_struct_device_attribute_dummy_resourceless_instance_2 [2023-04-03 07:12:09,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_struct_device_attribute_dummy_resourceless_instance_3 [2023-04-03 07:12:09,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-04-03 07:12:09,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-04-03 07:12:09,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_15 [2023-04-03 07:12:09,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_6 [2023-04-03 07:12:09,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_15 [2023-04-03 07:12:09,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_6 [2023-04-03 07:12:09,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_2_1 [2023-04-03 07:12:09,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_2_5 [2023-04-03 07:12:09,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_3_1 [2023-04-03 07:12:09,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_3_5 [2023-04-03 07:12:09,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_4_1 [2023-04-03 07:12:09,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_4_3 [2023-04-03 07:12:09,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_5_1 [2023-04-03 07:12:09,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_5_15 [2023-04-03 07:12:09,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_6_1 [2023-04-03 07:12:09,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_6_4 [2023-04-03 07:12:09,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_instance_callback_4_2 [2023-04-03 07:12:09,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_timer_instance_4 [2023-04-03 07:12:09,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister [2023-04-03 07:12:09,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_dummy_factory_6 [2023-04-03 07:12:09,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_post_5_9 [2023-04-03 07:12:09,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_pre_5_10 [2023-04-03 07:12:09,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_probe_5_13 [2023-04-03 07:12:09,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_release_5_4 [2023-04-03 07:12:09,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_resume_5_7 [2023-04-03 07:12:09,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_suspend_5_8 [2023-04-03 07:12:09,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver [2023-04-03 07:12:09,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_usb_instance_5 [2023-04-03 07:12:09,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata_12 [2023-04-03 07:12:09,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata_13 [2023-04-03 07:12:09,882 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-04-03 07:12:09,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata_16 [2023-04-03 07:12:09,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_17 [2023-04-03 07:12:09,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_18 [2023-04-03 07:12:09,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_19 [2023-04-03 07:12:09,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_20 [2023-04-03 07:12:09,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_21 [2023-04-03 07:12:09,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_22 [2023-04-03 07:12:09,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_23 [2023-04-03 07:12:09,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_24 [2023-04-03 07:12:09,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata_25 [2023-04-03 07:12:09,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_26 [2023-04-03 07:12:09,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_27 [2023-04-03 07:12:09,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata_28 [2023-04-03 07:12:09,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_29 [2023-04-03 07:12:09,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_30 [2023-04-03 07:12:09,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata_31 [2023-04-03 07:12:09,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_32 [2023-04-03 07:12:09,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_33 [2023-04-03 07:12:09,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata_34 [2023-04-03 07:12:09,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_35 [2023-04-03 07:12:09,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_36 [2023-04-03 07:12:09,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_37 [2023-04-03 07:12:09,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_38 [2023-04-03 07:12:09,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_39 [2023-04-03 07:12:09,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_40 [2023-04-03 07:12:09,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_41 [2023-04-03 07:12:09,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_42 [2023-04-03 07:12:09,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_43 [2023-04-03 07:12:09,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_44 [2023-04-03 07:12:09,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_45 [2023-04-03 07:12:09,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_46 [2023-04-03 07:12:09,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_47 [2023-04-03 07:12:09,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_48 [2023-04-03 07:12:09,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_49 [2023-04-03 07:12:09,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_50 [2023-04-03 07:12:09,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_51 [2023-04-03 07:12:09,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_52 [2023-04-03 07:12:09,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_53 [2023-04-03 07:12:09,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_54 [2023-04-03 07:12:09,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_55 [2023-04-03 07:12:09,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_56 [2023-04-03 07:12:09,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync_57 [2023-04-03 07:12:09,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_58 [2023-04-03 07:12:09,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_59 [2023-04-03 07:12:09,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_60 [2023-04-03 07:12:09,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2023-04-03 07:12:09,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-04-03 07:12:09,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spi_alloc_master [2023-04-03 07:12:09,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-04-03 07:12:09,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2023-04-03 07:12:09,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2023-04-03 07:12:09,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2023-04-03 07:12:09,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-04-03 07:12:09,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_init [2023-04-03 07:12:09,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2023-04-03 07:12:09,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-04-03 07:12:09,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kzalloc [2023-04-03 07:12:09,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-04-03 07:12:09,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-04-03 07:12:09,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-04-03 07:12:09,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2023-04-03 07:12:09,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-04-03 07:12:09,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc [2023-04-03 07:12:09,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-04-03 07:12:09,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-04-03 07:12:09,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-04-03 07:12:09,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xzalloc [2023-04-03 07:12:09,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-04-03 07:12:09,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2023-04-03 07:12:09,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_negative [2023-04-03 07:12:09,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_nonpositive [2023-04-03 07:12:09,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_create [2023-04-03 07:12:09,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_create_N [2023-04-03 07:12:09,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_join [2023-04-03 07:12:09,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_join_N [2023-04-03 07:12:09,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_driver_lock [2023-04-03 07:12:09,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_or_killable_driver_lock [2023-04-03 07:12:09,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_driver_lock [2023-04-03 07:12:09,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_driver_lock [2023-04-03 07:12:09,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_driver_lock [2023-04-03 07:12:09,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_driver_lock [2023-04-03 07:12:09,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_i_mutex_of_inode [2023-04-03 07:12:09,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_or_killable_i_mutex_of_inode [2023-04-03 07:12:09,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_i_mutex_of_inode [2023-04-03 07:12:09,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_i_mutex_of_inode [2023-04-03 07:12:09,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_i_mutex_of_inode [2023-04-03 07:12:09,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_i_mutex_of_inode [2023-04-03 07:12:09,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2023-04-03 07:12:09,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_or_killable_lock [2023-04-03 07:12:09,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2023-04-03 07:12:09,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2023-04-03 07:12:09,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2023-04-03 07:12:09,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2023-04-03 07:12:09,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_imon_context [2023-04-03 07:12:09,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_or_killable_lock_of_imon_context [2023-04-03 07:12:09,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock_of_imon_context [2023-04-03 07:12:09,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock_of_imon_context [2023-04-03 07:12:09,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock_of_imon_context [2023-04-03 07:12:09,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_imon_context [2023-04-03 07:12:09,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2023-04-03 07:12:09,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_or_killable_mutex_of_device [2023-04-03 07:12:09,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2023-04-03 07:12:09,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2023-04-03 07:12:09,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2023-04-03 07:12:09,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2023-04-03 07:12:09,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2023-04-03 07:12:09,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-04-03 07:12:09,891 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-03 07:12:09,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2023-04-03 07:12:09,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock_try [2023-04-03 07:12:09,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2023-04-03 07:12:09,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2023-04-03 07:12:09,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ___ratelimit [2023-04-03 07:12:09,892 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_from_user_overflow [2023-04-03 07:12:09,892 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2023-04-03 07:12:09,892 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2023-04-03 07:12:09,892 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2023-04-03 07:12:09,892 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-04-03 07:12:09,892 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2023-04-03 07:12:09,892 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2023-04-03 07:12:09,892 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2023-04-03 07:12:09,892 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2023-04-03 07:12:09,892 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2023-04-03 07:12:09,893 INFO L138 BoogieDeclarations]: Found implementation of procedure complete_all [2023-04-03 07:12:09,893 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2023-04-03 07:12:09,893 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-04-03 07:12:09,893 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2023-04-03 07:12:09,893 INFO L138 BoogieDeclarations]: Found implementation of procedure do_gettimeofday [2023-04-03 07:12:09,893 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2023-04-03 07:12:09,893 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event [2023-04-03 07:12:09,893 INFO L138 BoogieDeclarations]: Found implementation of procedure input_free_device [2023-04-03 07:12:09,893 INFO L138 BoogieDeclarations]: Found implementation of procedure input_register_device [2023-04-03 07:12:09,893 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_abs_params [2023-04-03 07:12:09,893 INFO L138 BoogieDeclarations]: Found implementation of procedure input_unregister_device [2023-04-03 07:12:09,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2023-04-03 07:12:09,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2023-04-03 07:12:09,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-04-03 07:12:09,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2023-04-03 07:12:09,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_usb_register_driver [2023-04-03 07:12:09,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-04-03 07:12:09,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-04-03 07:12:09,894 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2023-04-03 07:12:09,894 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2023-04-03 07:12:09,894 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2023-04-03 07:12:09,894 INFO L138 BoogieDeclarations]: Found implementation of procedure noop_llseek [2023-04-03 07:12:09,894 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-04-03 07:12:09,894 INFO L138 BoogieDeclarations]: Found implementation of procedure rc_allocate_device [2023-04-03 07:12:09,894 INFO L138 BoogieDeclarations]: Found implementation of procedure rc_free_device [2023-04-03 07:12:09,894 INFO L138 BoogieDeclarations]: Found implementation of procedure rc_g_keycode_from_table [2023-04-03 07:12:09,895 INFO L138 BoogieDeclarations]: Found implementation of procedure rc_keydown [2023-04-03 07:12:09,895 INFO L138 BoogieDeclarations]: Found implementation of procedure rc_keyup [2023-04-03 07:12:09,895 INFO L138 BoogieDeclarations]: Found implementation of procedure rc_register_device [2023-04-03 07:12:09,895 INFO L138 BoogieDeclarations]: Found implementation of procedure rc_unregister_device [2023-04-03 07:12:09,895 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2023-04-03 07:12:09,895 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcat [2023-04-03 07:12:09,895 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_group [2023-04-03 07:12:09,895 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_group [2023-04-03 07:12:09,895 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2023-04-03 07:12:09,895 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2023-04-03 07:12:09,895 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister_dev [2023-04-03 07:12:09,895 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_find_interface [2023-04-03 07:12:09,895 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2023-04-03 07:12:09,896 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_dev [2023-04-03 07:12:09,896 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ifnum_to_if [2023-04-03 07:12:09,896 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2023-04-03 07:12:09,896 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_dev [2023-04-03 07:12:09,896 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2023-04-03 07:12:09,896 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2023-04-03 07:12:09,896 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_interruptible [2023-04-03 07:12:09,896 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-04-03 07:12:09,896 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-04-03 07:12:09,896 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-04-03 07:12:09,896 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2023-04-03 07:12:09,896 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-04-03 07:12:09,896 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2023-04-03 07:12:09,897 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-04-03 07:12:09,897 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kzalloc [2023-04-03 07:12:09,897 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_17 [2023-04-03 07:12:09,897 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_18 [2023-04-03 07:12:09,897 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_21 [2023-04-03 07:12:09,897 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_24 [2023-04-03 07:12:09,897 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_26 [2023-04-03 07:12:09,897 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_29 [2023-04-03 07:12:09,897 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_32 [2023-04-03 07:12:09,897 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_35 [2023-04-03 07:12:09,897 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_37 [2023-04-03 07:12:09,897 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_39 [2023-04-03 07:12:09,897 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_42 [2023-04-03 07:12:09,897 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_45 [2023-04-03 07:12:09,898 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_48 [2023-04-03 07:12:09,898 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_51 [2023-04-03 07:12:09,898 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_52 [2023-04-03 07:12:09,898 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_56 [2023-04-03 07:12:09,898 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_driver_lock [2023-04-03 07:12:09,898 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_driver_lock [2023-04-03 07:12:09,898 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_imon_context [2023-04-03 07:12:09,898 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock_of_imon_context [2023-04-03 07:12:09,898 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_imon_context [2023-04-03 07:12:09,898 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2023-04-03 07:12:09,898 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_init [2023-04-03 07:12:09,898 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2023-04-03 07:12:09,898 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2023-04-03 07:12:09,898 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-04-03 07:12:09,899 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_usb_register_driver [2023-04-03 07:12:09,899 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-04-03 07:12:09,899 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-04-03 07:12:09,899 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-04-03 07:12:09,899 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-04-03 07:12:09,899 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-04-03 07:12:09,899 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-04-03 07:12:09,899 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-04-03 07:12:09,899 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-04-03 07:12:09,899 INFO L130 BoogieDeclarations]: Found specification of procedure __set_bit [2023-04-03 07:12:09,899 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2023-04-03 07:12:09,899 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab64 [2023-04-03 07:12:09,899 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-04-03 07:12:09,899 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2023-04-03 07:12:09,900 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2023-04-03 07:12:09,900 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2023-04-03 07:12:09,900 INFO L130 BoogieDeclarations]: Found specification of procedure sscanf [2023-04-03 07:12:09,900 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-04-03 07:12:09,900 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2023-04-03 07:12:09,900 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2023-04-03 07:12:09,900 INFO L130 BoogieDeclarations]: Found specification of procedure strlen [2023-04-03 07:12:09,900 INFO L130 BoogieDeclarations]: Found specification of procedure strcpy [2023-04-03 07:12:09,900 INFO L130 BoogieDeclarations]: Found specification of procedure strlcat [2023-04-03 07:12:09,900 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2023-04-03 07:12:09,900 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2023-04-03 07:12:09,900 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_41 [2023-04-03 07:12:09,900 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_19 [2023-04-03 07:12:09,900 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_20 [2023-04-03 07:12:09,901 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_22 [2023-04-03 07:12:09,901 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_23 [2023-04-03 07:12:09,901 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_27 [2023-04-03 07:12:09,901 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_30 [2023-04-03 07:12:09,901 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_33 [2023-04-03 07:12:09,901 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_36 [2023-04-03 07:12:09,901 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_38 [2023-04-03 07:12:09,901 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_40 [2023-04-03 07:12:09,901 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_43 [2023-04-03 07:12:09,901 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_46 [2023-04-03 07:12:09,901 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_47 [2023-04-03 07:12:09,901 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_49 [2023-04-03 07:12:09,902 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_50 [2023-04-03 07:12:09,902 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_53 [2023-04-03 07:12:09,902 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_54 [2023-04-03 07:12:09,902 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_55 [2023-04-03 07:12:09,902 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_58 [2023-04-03 07:12:09,902 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-04-03 07:12:09,902 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2023-04-03 07:12:09,902 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2023-04-03 07:12:09,902 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-04-03 07:12:09,902 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-04-03 07:12:09,902 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2023-04-03 07:12:09,902 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2023-04-03 07:12:09,903 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-04-03 07:12:09,903 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-03 07:12:09,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-03 07:12:09,903 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-03 07:12:09,903 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_interruptible [2023-04-03 07:12:09,903 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2023-04-03 07:12:09,903 INFO L130 BoogieDeclarations]: Found specification of procedure complete_all [2023-04-03 07:12:09,903 INFO L130 BoogieDeclarations]: Found specification of procedure do_gettimeofday [2023-04-03 07:12:09,904 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_group [2023-04-03 07:12:09,904 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_group [2023-04-03 07:12:09,904 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2023-04-03 07:12:09,904 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2023-04-03 07:12:09,904 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2023-04-03 07:12:09,904 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_44 [2023-04-03 07:12:09,904 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2023-04-03 07:12:09,904 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync_57 [2023-04-03 07:12:09,904 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2023-04-03 07:12:09,904 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_from_user_overflow [2023-04-03 07:12:09,904 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2023-04-03 07:12:09,904 INFO L130 BoogieDeclarations]: Found specification of procedure ___ratelimit [2023-04-03 07:12:09,904 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata_12 [2023-04-03 07:12:09,905 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata_25 [2023-04-03 07:12:09,905 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata_28 [2023-04-03 07:12:09,905 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata_31 [2023-04-03 07:12:09,905 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata_34 [2023-04-03 07:12:09,905 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata_13 [2023-04-03 07:12:09,905 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata_16 [2023-04-03 07:12:09,905 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-04-03 07:12:09,905 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2023-04-03 07:12:09,905 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2023-04-03 07:12:09,905 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2023-04-03 07:12:09,905 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-03 07:12:09,905 INFO L130 BoogieDeclarations]: Found specification of procedure noop_llseek [2023-04-03 07:12:09,957 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2023-04-03 07:12:09,957 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2023-04-03 07:12:09,958 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2023-04-03 07:12:09,958 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2023-04-03 07:12:09,958 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-03 07:12:09,958 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_dev [2023-04-03 07:12:09,958 INFO L130 BoogieDeclarations]: Found specification of procedure usb_find_interface [2023-04-03 07:12:09,958 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ifnum_to_if [2023-04-03 07:12:09,958 INFO L130 BoogieDeclarations]: Found specification of procedure usb_make_path [2023-04-03 07:12:09,958 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2023-04-03 07:12:09,958 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_59 [2023-04-03 07:12:09,958 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2023-04-03 07:12:09,958 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_60 [2023-04-03 07:12:09,958 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_dev [2023-04-03 07:12:09,959 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister_dev [2023-04-03 07:12:09,959 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_control_urb [2023-04-03 07:12:09,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-03 07:12:09,959 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2023-04-03 07:12:09,959 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2023-04-03 07:12:09,959 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2023-04-03 07:12:09,959 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2023-04-03 07:12:09,959 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2023-04-03 07:12:09,959 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2023-04-03 07:12:09,959 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-04-03 07:12:09,959 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-04-03 07:12:09,960 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2023-04-03 07:12:09,960 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-04-03 07:12:09,960 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-04-03 07:12:09,960 INFO L130 BoogieDeclarations]: Found specification of procedure input_allocate_device [2023-04-03 07:12:09,960 INFO L130 BoogieDeclarations]: Found specification of procedure input_free_device [2023-04-03 07:12:09,960 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_drvdata [2023-04-03 07:12:09,960 INFO L130 BoogieDeclarations]: Found specification of procedure input_register_device [2023-04-03 07:12:09,960 INFO L130 BoogieDeclarations]: Found specification of procedure input_unregister_device [2023-04-03 07:12:09,960 INFO L130 BoogieDeclarations]: Found specification of procedure input_event [2023-04-03 07:12:09,960 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_key [2023-04-03 07:12:09,960 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_rel [2023-04-03 07:12:09,960 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_abs [2023-04-03 07:12:09,961 INFO L130 BoogieDeclarations]: Found specification of procedure input_sync [2023-04-03 07:12:09,961 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_abs_params [2023-04-03 07:12:09,961 INFO L130 BoogieDeclarations]: Found specification of procedure usb_to_input_id [2023-04-03 07:12:09,961 INFO L130 BoogieDeclarations]: Found specification of procedure rc_allocate_device [2023-04-03 07:12:09,961 INFO L130 BoogieDeclarations]: Found specification of procedure rc_free_device [2023-04-03 07:12:09,961 INFO L130 BoogieDeclarations]: Found specification of procedure rc_register_device [2023-04-03 07:12:09,961 INFO L130 BoogieDeclarations]: Found specification of procedure rc_unregister_device [2023-04-03 07:12:09,961 INFO L130 BoogieDeclarations]: Found specification of procedure rc_keydown [2023-04-03 07:12:09,961 INFO L130 BoogieDeclarations]: Found specification of procedure rc_keyup [2023-04-03 07:12:09,961 INFO L130 BoogieDeclarations]: Found specification of procedure rc_g_keycode_from_table [2023-04-03 07:12:09,961 INFO L130 BoogieDeclarations]: Found specification of procedure imon_probe [2023-04-03 07:12:09,961 INFO L130 BoogieDeclarations]: Found specification of procedure imon_disconnect [2023-04-03 07:12:09,962 INFO L130 BoogieDeclarations]: Found specification of procedure usb_rx_callback_intf0 [2023-04-03 07:12:09,962 INFO L130 BoogieDeclarations]: Found specification of procedure usb_rx_callback_intf1 [2023-04-03 07:12:09,962 INFO L130 BoogieDeclarations]: Found specification of procedure usb_tx_callback [2023-04-03 07:12:09,962 INFO L130 BoogieDeclarations]: Found specification of procedure imon_resume [2023-04-03 07:12:09,962 INFO L130 BoogieDeclarations]: Found specification of procedure imon_suspend [2023-04-03 07:12:09,962 INFO L130 BoogieDeclarations]: Found specification of procedure display_open [2023-04-03 07:12:09,962 INFO L130 BoogieDeclarations]: Found specification of procedure display_close [2023-04-03 07:12:09,962 INFO L130 BoogieDeclarations]: Found specification of procedure vfd_write [2023-04-03 07:12:09,962 INFO L130 BoogieDeclarations]: Found specification of procedure lcd_write [2023-04-03 07:12:09,962 INFO L130 BoogieDeclarations]: Found specification of procedure free_imon_context [2023-04-03 07:12:09,962 INFO L130 BoogieDeclarations]: Found specification of procedure send_packet [2023-04-03 07:12:09,962 INFO L130 BoogieDeclarations]: Found specification of procedure send_associate_24g [2023-04-03 07:12:09,963 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-04-03 07:12:09,963 INFO L130 BoogieDeclarations]: Found specification of procedure send_set_imon_clock [2023-04-03 07:12:09,963 INFO L130 BoogieDeclarations]: Found specification of procedure show_associate_remote [2023-04-03 07:12:09,963 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2023-04-03 07:12:09,963 INFO L130 BoogieDeclarations]: Found specification of procedure store_associate_remote [2023-04-03 07:12:09,963 INFO L130 BoogieDeclarations]: Found specification of procedure show_imon_clock [2023-04-03 07:12:09,963 INFO L130 BoogieDeclarations]: Found specification of procedure store_imon_clock [2023-04-03 07:12:09,963 INFO L130 BoogieDeclarations]: Found specification of procedure imon_touch_display_timeout [2023-04-03 07:12:09,963 INFO L130 BoogieDeclarations]: Found specification of procedure imon_ir_change_protocol [2023-04-03 07:12:09,963 INFO L130 BoogieDeclarations]: Found specification of procedure tv2int [2023-04-03 07:12:09,963 INFO L130 BoogieDeclarations]: Found specification of procedure stabilize [2023-04-03 07:12:09,963 INFO L130 BoogieDeclarations]: Found specification of procedure imon_remote_key_lookup [2023-04-03 07:12:09,964 INFO L130 BoogieDeclarations]: Found specification of procedure imon_mce_key_lookup [2023-04-03 07:12:09,964 INFO L130 BoogieDeclarations]: Found specification of procedure imon_panel_key_lookup [2023-04-03 07:12:09,967 INFO L130 BoogieDeclarations]: Found specification of procedure imon_mouse_event [2023-04-03 07:12:09,967 INFO L130 BoogieDeclarations]: Found specification of procedure imon_touch_event [2023-04-03 07:12:09,967 INFO L130 BoogieDeclarations]: Found specification of procedure imon_pad_to_keys [2023-04-03 07:12:09,968 INFO L130 BoogieDeclarations]: Found specification of procedure imon_parse_press_type [2023-04-03 07:12:09,969 INFO L130 BoogieDeclarations]: Found specification of procedure imon_incoming_packet [2023-04-03 07:12:09,969 INFO L130 BoogieDeclarations]: Found specification of procedure imon_get_ffdc_type [2023-04-03 07:12:09,969 INFO L130 BoogieDeclarations]: Found specification of procedure imon_set_display_type [2023-04-03 07:12:09,969 INFO L130 BoogieDeclarations]: Found specification of procedure imon_init_rdev [2023-04-03 07:12:09,969 INFO L130 BoogieDeclarations]: Found specification of procedure imon_init_idev [2023-04-03 07:12:09,969 INFO L130 BoogieDeclarations]: Found specification of procedure imon_init_touch [2023-04-03 07:12:09,969 INFO L130 BoogieDeclarations]: Found specification of procedure imon_find_endpoints [2023-04-03 07:12:09,969 INFO L130 BoogieDeclarations]: Found specification of procedure imon_init_intf0 [2023-04-03 07:12:09,969 INFO L130 BoogieDeclarations]: Found specification of procedure imon_init_intf1 [2023-04-03 07:12:09,969 INFO L130 BoogieDeclarations]: Found specification of procedure imon_init_display [2023-04-03 07:12:09,969 INFO L130 BoogieDeclarations]: Found specification of procedure imon_driver_init [2023-04-03 07:12:09,969 INFO L130 BoogieDeclarations]: Found specification of procedure imon_driver_exit [2023-04-03 07:12:09,969 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_imon_driver_exit_11_2 [2023-04-03 07:12:09,969 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_init_imon_driver_init_11_11 [2023-04-03 07:12:09,969 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_allocate_external_0 [2023-04-03 07:12:09,970 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2023-04-03 07:12:09,970 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_deregister_9_1 [2023-04-03 07:12:09,970 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_deregister_dummy_resourceless_instance_6_11_4 [2023-04-03 07:12:09,970 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_deregister_file_operations_instance_5_11_5 [2023-04-03 07:12:09,970 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_instance_deregister_6_2 [2023-04-03 07:12:09,970 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_instance_deregister_7_1 [2023-04-03 07:12:09,970 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_instance_register_6_3 [2023-04-03 07:12:09,970 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_instance_register_8_2 [2023-04-03 07:12:09,970 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_10_2 [2023-04-03 07:12:09,970 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_dummy_resourceless_instance_6_11_6 [2023-04-03 07:12:09,970 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_file_operations_instance_5_11_7 [2023-04-03 07:12:09,970 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_2_3 [2023-04-03 07:12:09,970 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_2_9 [2023-04-03 07:12:09,970 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_3_3 [2023-04-03 07:12:09,970 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_3_9 [2023-04-03 07:12:09,970 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_entry_EMGentry_11 [2023-04-03 07:12:09,970 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-03 07:12:09,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_file_operations_instance_0 [2023-04-03 07:12:09,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_file_operations_instance_1 [2023-04-03 07:12:09,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_instance_callback_0_5 [2023-04-03 07:12:09,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_instance_callback_1_5 [2023-04-03 07:12:09,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_instance_probe_0_12 [2023-04-03 07:12:09,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_instance_probe_1_12 [2023-04-03 07:12:09,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_instance_release_0_2 [2023-04-03 07:12:09,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_instance_release_1_2 [2023-04-03 07:12:09,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_instance_write_0_4 [2023-04-03 07:12:09,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_instance_write_1_4 [2023-04-03 07:12:09,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_external_data [2023-04-03 07:12:09,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2023-04-03 07:12:09,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_struct_device_attribute_dummy_resourceless_instance_2 [2023-04-03 07:12:09,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_struct_device_attribute_dummy_resourceless_instance_3 [2023-04-03 07:12:09,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-04-03 07:12:09,972 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-04-03 07:12:09,972 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_15 [2023-04-03 07:12:09,972 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_6 [2023-04-03 07:12:09,972 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_15 [2023-04-03 07:12:09,972 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_6 [2023-04-03 07:12:09,972 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_2_1 [2023-04-03 07:12:09,972 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_2_5 [2023-04-03 07:12:09,972 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_3_1 [2023-04-03 07:12:09,972 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_3_5 [2023-04-03 07:12:09,972 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_4_1 [2023-04-03 07:12:09,972 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_4_3 [2023-04-03 07:12:09,972 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_5_1 [2023-04-03 07:12:09,972 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_5_15 [2023-04-03 07:12:09,972 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_6_1 [2023-04-03 07:12:09,972 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_6_4 [2023-04-03 07:12:09,972 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_instance_callback_4_2 [2023-04-03 07:12:09,973 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_timer_instance_4 [2023-04-03 07:12:09,973 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister [2023-04-03 07:12:09,973 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_dummy_factory_6 [2023-04-03 07:12:09,973 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_post_5_9 [2023-04-03 07:12:09,973 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_pre_5_10 [2023-04-03 07:12:09,973 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_probe_5_13 [2023-04-03 07:12:09,973 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_release_5_4 [2023-04-03 07:12:09,973 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_resume_5_7 [2023-04-03 07:12:09,973 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_suspend_5_8 [2023-04-03 07:12:09,973 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver [2023-04-03 07:12:09,973 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_usb_instance_5 [2023-04-03 07:12:09,973 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2023-04-03 07:12:09,973 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-04-03 07:12:09,974 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xzalloc [2023-04-03 07:12:09,974 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-04-03 07:12:09,974 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spi_alloc_master [2023-04-03 07:12:09,974 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-04-03 07:12:09,974 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2023-04-03 07:12:09,974 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2023-04-03 07:12:09,974 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2023-04-03 07:12:09,974 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-04-03 07:12:09,974 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-04-03 07:12:09,974 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2023-04-03 07:12:09,974 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2023-04-03 07:12:09,974 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2023-04-03 07:12:09,974 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2023-04-03 07:12:09,975 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-03 07:12:09,975 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2023-04-03 07:12:09,975 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-03 07:12:09,975 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2023-04-03 07:12:09,975 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-03 07:12:09,975 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-04-03 07:12:09,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2023-04-03 07:12:09,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_negative [2023-04-03 07:12:09,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_nonpositive [2023-04-03 07:12:09,975 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-03 07:12:09,975 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2023-04-03 07:12:09,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_create [2023-04-03 07:12:09,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_create_N [2023-04-03 07:12:09,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_join [2023-04-03 07:12:09,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_join_N [2023-04-03 07:12:09,976 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-04-03 07:12:09,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2023-04-03 07:12:09,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock_try [2023-04-03 07:12:09,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2023-04-03 07:12:09,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2023-04-03 07:12:09,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_or_killable_driver_lock [2023-04-03 07:12:09,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_driver_lock [2023-04-03 07:12:09,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_driver_lock [2023-04-03 07:12:09,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_driver_lock [2023-04-03 07:12:09,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_i_mutex_of_inode [2023-04-03 07:12:09,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_or_killable_i_mutex_of_inode [2023-04-03 07:12:09,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_i_mutex_of_inode [2023-04-03 07:12:09,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_i_mutex_of_inode [2023-04-03 07:12:09,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_i_mutex_of_inode [2023-04-03 07:12:09,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_i_mutex_of_inode [2023-04-03 07:12:09,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2023-04-03 07:12:09,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_or_killable_lock [2023-04-03 07:12:09,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2023-04-03 07:12:09,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2023-04-03 07:12:09,978 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2023-04-03 07:12:09,978 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2023-04-03 07:12:09,978 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_or_killable_lock_of_imon_context [2023-04-03 07:12:09,978 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock_of_imon_context [2023-04-03 07:12:09,978 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock_of_imon_context [2023-04-03 07:12:09,978 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2023-04-03 07:12:09,978 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_or_killable_mutex_of_device [2023-04-03 07:12:09,978 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2023-04-03 07:12:09,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2023-04-03 07:12:09,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2023-04-03 07:12:09,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2023-04-03 07:12:09,979 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-03 07:12:09,979 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-03 07:12:09,979 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2023-04-03 07:12:09,979 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2023-04-03 07:12:09,979 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-03 07:12:09,979 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2023-04-03 07:12:09,979 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2023-04-03 07:12:09,979 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-03 07:12:09,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-03 07:12:09,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-04-03 07:12:09,980 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-03 07:12:09,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-04-03 07:12:09,980 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-04-03 07:12:09,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-04-03 07:12:09,980 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-04-03 07:12:10,737 INFO L236 CfgBuilder]: Building ICFG [2023-04-03 07:12:10,746 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-03 07:12:10,918 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-04-03 07:12:26,065 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint mainFINAL: assume true; [2023-04-03 07:12:27,911 INFO L277 CfgBuilder]: Performing block encoding [2023-04-03 07:12:30,110 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-03 07:12:30,110 INFO L302 CfgBuilder]: Removed 6 assume(true) statements. [2023-04-03 07:12:30,116 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 07:12:30 BoogieIcfgContainer [2023-04-03 07:12:30,116 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-03 07:12:30,119 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-03 07:12:30,119 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-03 07:12:30,122 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-03 07:12:30,122 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.04 07:12:07" (1/3) ... [2023-04-03 07:12:30,123 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73bf8222 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 07:12:30, skipping insertion in model container [2023-04-03 07:12:30,123 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 07:12:09" (2/3) ... [2023-04-03 07:12:30,123 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73bf8222 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 07:12:30, skipping insertion in model container [2023-04-03 07:12:30,123 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 07:12:30" (3/3) ... [2023-04-03 07:12:30,124 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-rc-imon.cil.i [2023-04-03 07:12:30,139 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-03 07:12:30,140 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2023-04-03 07:12:30,236 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-03 07:12:30,243 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@14b31082, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-03 07:12:30,243 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-04-03 07:12:30,255 INFO L276 IsEmpty]: Start isEmpty. Operand has 2308 states, 1299 states have (on average 1.237105465742879) internal successors, (1607), 1337 states have internal predecessors, (1607), 708 states have call successors, (708), 268 states have call predecessors, (708), 266 states have return successors, (701), 688 states have call predecessors, (701), 701 states have call successors, (701) [2023-04-03 07:12:30,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2023-04-03 07:12:30,287 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:12:30,287 INFO L195 NwaCegarLoop]: trace histogram [20, 19, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 07:12:30,288 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [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 (and 2 more)] === [2023-04-03 07:12:30,294 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:12:30,294 INFO L85 PathProgramCache]: Analyzing trace with hash -461203794, now seen corresponding path program 1 times [2023-04-03 07:12:30,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:12:30,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1923808530] [2023-04-03 07:12:30,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:12:30,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:12:30,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:12:31,475 INFO L134 CoverageAnalysis]: Checked inductivity of 1406 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1406 trivial. 0 not checked. [2023-04-03 07:12:31,476 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:12:31,480 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1923808530] [2023-04-03 07:12:31,480 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1923808530] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:12:31,481 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:12:31,481 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 07:12:31,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106384084] [2023-04-03 07:12:31,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:12:31,491 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 07:12:31,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:12:31,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 07:12:31,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 07:12:31,534 INFO L87 Difference]: Start difference. First operand has 2308 states, 1299 states have (on average 1.237105465742879) internal successors, (1607), 1337 states have internal predecessors, (1607), 708 states have call successors, (708), 268 states have call predecessors, (708), 266 states have return successors, (701), 688 states have call predecessors, (701), 701 states have call successors, (701) Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-04-03 07:12:34,511 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:12:36,953 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:12:38,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:12:38,088 INFO L93 Difference]: Finished difference Result 5233 states and 7116 transitions. [2023-04-03 07:12:38,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 07:12:38,095 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 227 [2023-04-03 07:12:38,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:12:38,138 INFO L225 Difference]: With dead ends: 5233 [2023-04-03 07:12:38,138 INFO L226 Difference]: Without dead ends: 3440 [2023-04-03 07:12:38,154 INFO L412 NwaCegarLoop]: 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 [2023-04-03 07:12:38,158 INFO L413 NwaCegarLoop]: 2193 mSDtfsCounter, 2135 mSDsluCounter, 2151 mSDsCounter, 0 mSdLazyCounter, 440 mSolverCounterSat, 12 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2135 SdHoareTripleChecker+Valid, 4344 SdHoareTripleChecker+Invalid, 453 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 440 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2023-04-03 07:12:38,159 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2135 Valid, 4344 Invalid, 453 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 440 Invalid, 1 Unknown, 0 Unchecked, 6.2s Time] [2023-04-03 07:12:38,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3440 states. [2023-04-03 07:12:38,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3440 to 3416. [2023-04-03 07:12:38,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3416 states, 1914 states have (on average 1.2288401253918495) internal successors, (2352), 1965 states have internal predecessors, (2352), 1057 states have call successors, (1057), 444 states have call predecessors, (1057), 442 states have return successors, (1055), 1031 states have call predecessors, (1055), 1052 states have call successors, (1055) [2023-04-03 07:12:38,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3416 states to 3416 states and 4464 transitions. [2023-04-03 07:12:38,413 INFO L78 Accepts]: Start accepts. Automaton has 3416 states and 4464 transitions. Word has length 227 [2023-04-03 07:12:38,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:12:38,415 INFO L495 AbstractCegarLoop]: Abstraction has 3416 states and 4464 transitions. [2023-04-03 07:12:38,416 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-04-03 07:12:38,416 INFO L276 IsEmpty]: Start isEmpty. Operand 3416 states and 4464 transitions. [2023-04-03 07:12:38,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2023-04-03 07:12:38,423 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:12:38,423 INFO L195 NwaCegarLoop]: trace histogram [20, 19, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 07:12:38,423 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-03 07:12:38,423 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [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 (and 2 more)] === [2023-04-03 07:12:38,424 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:12:38,424 INFO L85 PathProgramCache]: Analyzing trace with hash -1030420032, now seen corresponding path program 1 times [2023-04-03 07:12:38,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:12:38,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1046557879] [2023-04-03 07:12:38,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:12:38,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:12:38,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:12:39,126 INFO L134 CoverageAnalysis]: Checked inductivity of 1406 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1406 trivial. 0 not checked. [2023-04-03 07:12:39,126 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:12:39,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1046557879] [2023-04-03 07:12:39,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1046557879] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:12:39,126 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:12:39,127 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 07:12:39,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [746786131] [2023-04-03 07:12:39,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:12:39,128 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 07:12:39,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:12:39,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 07:12:39,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 07:12:39,129 INFO L87 Difference]: Start difference. First operand 3416 states and 4464 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-04-03 07:12:43,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:12:43,673 INFO L93 Difference]: Finished difference Result 9775 states and 12750 transitions. [2023-04-03 07:12:43,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 07:12:43,674 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 228 [2023-04-03 07:12:43,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:12:43,718 INFO L225 Difference]: With dead ends: 9775 [2023-04-03 07:12:43,718 INFO L226 Difference]: Without dead ends: 6411 [2023-04-03 07:12:43,736 INFO L412 NwaCegarLoop]: 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 [2023-04-03 07:12:43,738 INFO L413 NwaCegarLoop]: 2341 mSDtfsCounter, 2103 mSDsluCounter, 2136 mSDsCounter, 0 mSdLazyCounter, 457 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2103 SdHoareTripleChecker+Valid, 4477 SdHoareTripleChecker+Invalid, 469 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 457 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2023-04-03 07:12:43,738 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2103 Valid, 4477 Invalid, 469 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 457 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2023-04-03 07:12:43,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6411 states. [2023-04-03 07:12:43,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6411 to 6381. [2023-04-03 07:12:43,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6381 states, 3587 states have (on average 1.2263730136604405) internal successors, (4399), 3686 states have internal predecessors, (4399), 1949 states have call successors, (1949), 844 states have call predecessors, (1949), 842 states have return successors, (1954), 1897 states have call predecessors, (1954), 1944 states have call successors, (1954) [2023-04-03 07:12:44,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6381 states to 6381 states and 8302 transitions. [2023-04-03 07:12:44,035 INFO L78 Accepts]: Start accepts. Automaton has 6381 states and 8302 transitions. Word has length 228 [2023-04-03 07:12:44,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:12:44,037 INFO L495 AbstractCegarLoop]: Abstraction has 6381 states and 8302 transitions. [2023-04-03 07:12:44,037 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-04-03 07:12:44,037 INFO L276 IsEmpty]: Start isEmpty. Operand 6381 states and 8302 transitions. [2023-04-03 07:12:44,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2023-04-03 07:12:44,041 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:12:44,042 INFO L195 NwaCegarLoop]: trace histogram [20, 19, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 07:12:44,042 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-03 07:12:44,042 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [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 (and 2 more)] === [2023-04-03 07:12:44,042 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:12:44,042 INFO L85 PathProgramCache]: Analyzing trace with hash 628107192, now seen corresponding path program 1 times [2023-04-03 07:12:44,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:12:44,043 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295583782] [2023-04-03 07:12:44,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:12:44,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:12:44,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:12:44,592 INFO L134 CoverageAnalysis]: Checked inductivity of 1406 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1406 trivial. 0 not checked. [2023-04-03 07:12:44,592 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:12:44,592 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1295583782] [2023-04-03 07:12:44,592 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1295583782] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:12:44,592 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:12:44,592 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 07:12:44,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [771386135] [2023-04-03 07:12:44,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:12:44,593 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 07:12:44,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:12:44,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 07:12:44,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 07:12:44,594 INFO L87 Difference]: Start difference. First operand 6381 states and 8302 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2023-04-03 07:12:46,412 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:12:48,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:12:48,988 INFO L93 Difference]: Finished difference Result 14000 states and 18188 transitions. [2023-04-03 07:12:48,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 07:12:48,989 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 228 [2023-04-03 07:12:48,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:12:49,040 INFO L225 Difference]: With dead ends: 14000 [2023-04-03 07:12:49,040 INFO L226 Difference]: Without dead ends: 7671 [2023-04-03 07:12:49,067 INFO L412 NwaCegarLoop]: 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 [2023-04-03 07:12:49,070 INFO L413 NwaCegarLoop]: 2174 mSDtfsCounter, 1667 mSDsluCounter, 2094 mSDsCounter, 0 mSdLazyCounter, 434 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1667 SdHoareTripleChecker+Valid, 4268 SdHoareTripleChecker+Invalid, 443 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 434 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2023-04-03 07:12:49,071 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1667 Valid, 4268 Invalid, 443 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 434 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2023-04-03 07:12:49,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7671 states. [2023-04-03 07:12:49,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7671 to 7667. [2023-04-03 07:12:49,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7667 states, 4329 states have (on average 1.2245322245322245) internal successors, (5301), 4445 states have internal predecessors, (5301), 2319 states have call successors, (2319), 1019 states have call predecessors, (2319), 1016 states have return successors, (2324), 2259 states have call predecessors, (2324), 2314 states have call successors, (2324) [2023-04-03 07:12:49,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7667 states to 7667 states and 9944 transitions. [2023-04-03 07:12:49,469 INFO L78 Accepts]: Start accepts. Automaton has 7667 states and 9944 transitions. Word has length 228 [2023-04-03 07:12:49,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:12:49,471 INFO L495 AbstractCegarLoop]: Abstraction has 7667 states and 9944 transitions. [2023-04-03 07:12:49,472 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2023-04-03 07:12:49,472 INFO L276 IsEmpty]: Start isEmpty. Operand 7667 states and 9944 transitions. [2023-04-03 07:12:49,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2023-04-03 07:12:49,475 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:12:49,476 INFO L195 NwaCegarLoop]: trace histogram [20, 19, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 07:12:49,476 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-03 07:12:49,476 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [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 (and 2 more)] === [2023-04-03 07:12:49,477 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:12:49,477 INFO L85 PathProgramCache]: Analyzing trace with hash -306969443, now seen corresponding path program 1 times [2023-04-03 07:12:49,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:12:49,478 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1142935506] [2023-04-03 07:12:49,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:12:49,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:12:49,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:12:49,929 INFO L134 CoverageAnalysis]: Checked inductivity of 1406 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1406 trivial. 0 not checked. [2023-04-03 07:12:49,929 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:12:49,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1142935506] [2023-04-03 07:12:49,930 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1142935506] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:12:49,930 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:12:49,930 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 07:12:49,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277621056] [2023-04-03 07:12:49,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:12:49,931 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 07:12:49,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:12:49,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 07:12:49,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 07:12:49,931 INFO L87 Difference]: Start difference. First operand 7667 states and 9944 transitions. Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2023-04-03 07:12:54,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:12:54,009 INFO L93 Difference]: Finished difference Result 19148 states and 24755 transitions. [2023-04-03 07:12:54,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 07:12:54,010 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 236 [2023-04-03 07:12:54,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:12:54,081 INFO L225 Difference]: With dead ends: 19148 [2023-04-03 07:12:54,081 INFO L226 Difference]: Without dead ends: 11533 [2023-04-03 07:12:54,117 INFO L412 NwaCegarLoop]: 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 [2023-04-03 07:12:54,120 INFO L413 NwaCegarLoop]: 2181 mSDtfsCounter, 1295 mSDsluCounter, 2134 mSDsCounter, 0 mSdLazyCounter, 450 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1295 SdHoareTripleChecker+Valid, 4315 SdHoareTripleChecker+Invalid, 466 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 450 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2023-04-03 07:12:54,121 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1295 Valid, 4315 Invalid, 466 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 450 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2023-04-03 07:12:54,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11533 states. [2023-04-03 07:12:54,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11533 to 11475. [2023-04-03 07:12:54,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11475 states, 6511 states have (on average 1.2208570112117954) internal successors, (7949), 6695 states have internal predecessors, (7949), 3382 states have call successors, (3382), 1583 states have call predecessors, (3382), 1579 states have return successors, (3412), 3259 states have call predecessors, (3412), 3377 states have call successors, (3412) [2023-04-03 07:12:54,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11475 states to 11475 states and 14743 transitions. [2023-04-03 07:12:54,717 INFO L78 Accepts]: Start accepts. Automaton has 11475 states and 14743 transitions. Word has length 236 [2023-04-03 07:12:54,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:12:54,719 INFO L495 AbstractCegarLoop]: Abstraction has 11475 states and 14743 transitions. [2023-04-03 07:12:54,719 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2023-04-03 07:12:54,720 INFO L276 IsEmpty]: Start isEmpty. Operand 11475 states and 14743 transitions. [2023-04-03 07:12:54,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2023-04-03 07:12:54,722 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:12:54,722 INFO L195 NwaCegarLoop]: trace histogram [20, 19, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 07:12:54,723 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-03 07:12:54,723 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [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 (and 2 more)] === [2023-04-03 07:12:54,723 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:12:54,723 INFO L85 PathProgramCache]: Analyzing trace with hash -276552731, now seen corresponding path program 1 times [2023-04-03 07:12:54,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:12:54,724 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [7817840] [2023-04-03 07:12:54,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:12:54,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:12:54,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:12:55,231 INFO L134 CoverageAnalysis]: Checked inductivity of 1406 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1406 trivial. 0 not checked. [2023-04-03 07:12:55,231 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:12:55,232 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [7817840] [2023-04-03 07:12:55,232 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [7817840] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:12:55,232 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:12:55,232 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 07:12:55,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307584538] [2023-04-03 07:12:55,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:12:55,233 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 07:12:55,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:12:55,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 07:12:55,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 07:12:55,234 INFO L87 Difference]: Start difference. First operand 11475 states and 14743 transitions. Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2023-04-03 07:12:59,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:12:59,493 INFO L93 Difference]: Finished difference Result 31488 states and 40569 transitions. [2023-04-03 07:12:59,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 07:12:59,494 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 238 [2023-04-03 07:12:59,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:12:59,591 INFO L225 Difference]: With dead ends: 31488 [2023-04-03 07:12:59,592 INFO L226 Difference]: Without dead ends: 20065 [2023-04-03 07:12:59,643 INFO L412 NwaCegarLoop]: 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 [2023-04-03 07:12:59,645 INFO L413 NwaCegarLoop]: 2178 mSDtfsCounter, 2153 mSDsluCounter, 2144 mSDsCounter, 0 mSdLazyCounter, 428 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2153 SdHoareTripleChecker+Valid, 4322 SdHoareTripleChecker+Invalid, 435 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 428 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2023-04-03 07:12:59,645 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2153 Valid, 4322 Invalid, 435 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 428 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2023-04-03 07:12:59,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20065 states. [2023-04-03 07:13:00,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20065 to 19999. [2023-04-03 07:13:00,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19999 states, 11368 states have (on average 1.2222026741731176) internal successors, (13894), 11724 states have internal predecessors, (13894), 5879 states have call successors, (5879), 2753 states have call predecessors, (5879), 2749 states have return successors, (5965), 5636 states have call predecessors, (5965), 5874 states have call successors, (5965) [2023-04-03 07:13:00,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19999 states to 19999 states and 25738 transitions. [2023-04-03 07:13:00,693 INFO L78 Accepts]: Start accepts. Automaton has 19999 states and 25738 transitions. Word has length 238 [2023-04-03 07:13:00,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:13:00,695 INFO L495 AbstractCegarLoop]: Abstraction has 19999 states and 25738 transitions. [2023-04-03 07:13:00,695 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2023-04-03 07:13:00,695 INFO L276 IsEmpty]: Start isEmpty. Operand 19999 states and 25738 transitions. [2023-04-03 07:13:00,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2023-04-03 07:13:00,699 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:13:00,699 INFO L195 NwaCegarLoop]: trace histogram [20, 19, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 07:13:00,700 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-04-03 07:13:00,700 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [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 (and 2 more)] === [2023-04-03 07:13:00,700 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:13:00,700 INFO L85 PathProgramCache]: Analyzing trace with hash -327756914, now seen corresponding path program 1 times [2023-04-03 07:13:00,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:13:00,700 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1230393715] [2023-04-03 07:13:00,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:13:00,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:13:00,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:13:01,150 INFO L134 CoverageAnalysis]: Checked inductivity of 1406 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1406 trivial. 0 not checked. [2023-04-03 07:13:01,151 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:13:01,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1230393715] [2023-04-03 07:13:01,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1230393715] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:13:01,151 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:13:01,151 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 07:13:01,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [138548271] [2023-04-03 07:13:01,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:13:01,152 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 07:13:01,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:13:01,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 07:13:01,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 07:13:01,153 INFO L87 Difference]: Start difference. First operand 19999 states and 25738 transitions. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2023-04-03 07:13:03,874 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:13:05,048 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:13:06,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:13:06,848 INFO L93 Difference]: Finished difference Result 56238 states and 72437 transitions. [2023-04-03 07:13:06,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 07:13:06,849 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 239 [2023-04-03 07:13:06,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:13:07,027 INFO L225 Difference]: With dead ends: 56238 [2023-04-03 07:13:07,027 INFO L226 Difference]: Without dead ends: 36291 [2023-04-03 07:13:07,105 INFO L412 NwaCegarLoop]: 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 [2023-04-03 07:13:07,106 INFO L413 NwaCegarLoop]: 2405 mSDtfsCounter, 2149 mSDsluCounter, 2146 mSDsCounter, 0 mSdLazyCounter, 449 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2149 SdHoareTripleChecker+Valid, 4551 SdHoareTripleChecker+Invalid, 456 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 449 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2023-04-03 07:13:07,106 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2149 Valid, 4551 Invalid, 456 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 449 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2023-04-03 07:13:07,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36291 states. [2023-04-03 07:13:08,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36291 to 36177. [2023-04-03 07:13:08,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36177 states, 20527 states have (on average 1.2168850781897014) internal successors, (24979), 21227 states have internal predecessors, (24979), 10665 states have call successors, (10665), 4986 states have call predecessors, (10665), 4982 states have return successors, (10871), 10182 states have call predecessors, (10871), 10660 states have call successors, (10871) [2023-04-03 07:13:08,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36177 states to 36177 states and 46515 transitions. [2023-04-03 07:13:08,840 INFO L78 Accepts]: Start accepts. Automaton has 36177 states and 46515 transitions. Word has length 239 [2023-04-03 07:13:08,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:13:08,842 INFO L495 AbstractCegarLoop]: Abstraction has 36177 states and 46515 transitions. [2023-04-03 07:13:08,842 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2023-04-03 07:13:08,842 INFO L276 IsEmpty]: Start isEmpty. Operand 36177 states and 46515 transitions. [2023-04-03 07:13:08,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2023-04-03 07:13:08,845 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:13:08,845 INFO L195 NwaCegarLoop]: trace histogram [21, 19, 19, 19, 19, 19, 19, 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] [2023-04-03 07:13:08,845 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-04-03 07:13:08,845 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [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 (and 2 more)] === [2023-04-03 07:13:08,846 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:13:08,846 INFO L85 PathProgramCache]: Analyzing trace with hash 1846898348, now seen corresponding path program 1 times [2023-04-03 07:13:08,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:13:08,846 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1225882672] [2023-04-03 07:13:08,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:13:08,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:13:09,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:13:09,587 INFO L134 CoverageAnalysis]: Checked inductivity of 1458 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 1449 trivial. 0 not checked. [2023-04-03 07:13:09,587 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:13:09,588 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1225882672] [2023-04-03 07:13:09,588 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1225882672] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:13:09,588 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:13:09,589 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 07:13:09,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511348878] [2023-04-03 07:13:09,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:13:09,590 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 07:13:09,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:13:09,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 07:13:09,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 07:13:09,591 INFO L87 Difference]: Start difference. First operand 36177 states and 46515 transitions. Second operand has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 4 states have call successors, (38), 3 states have call predecessors, (38), 2 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) [2023-04-03 07:13:16,212 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:13:17,906 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:13:20,866 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:13:22,955 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:13:24,962 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:13:30,607 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:13:32,615 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:13:34,494 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:13:37,555 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:13:39,600 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:13:45,627 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:13:50,869 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:13:54,682 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:13:56,374 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:13:59,207 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:14:01,207 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:14:02,924 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:14:08,849 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:14:10,768 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:14:17,604 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:14:19,647 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:14:23,634 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:14:27,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:14:27,178 INFO L93 Difference]: Finished difference Result 83143 states and 106571 transitions. [2023-04-03 07:14:27,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-04-03 07:14:27,179 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 4 states have call successors, (38), 3 states have call predecessors, (38), 2 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) Word has length 266 [2023-04-03 07:14:27,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:14:27,541 INFO L225 Difference]: With dead ends: 83143 [2023-04-03 07:14:27,542 INFO L226 Difference]: Without dead ends: 47018 [2023-04-03 07:14:27,644 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-04-03 07:14:27,645 INFO L413 NwaCegarLoop]: 193 mSDtfsCounter, 2541 mSDsluCounter, 222 mSDsCounter, 0 mSdLazyCounter, 8910 mSolverCounterSat, 714 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 74.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3085 SdHoareTripleChecker+Valid, 415 SdHoareTripleChecker+Invalid, 9632 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 714 IncrementalHoareTripleChecker+Valid, 8910 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 75.6s IncrementalHoareTripleChecker+Time [2023-04-03 07:14:27,646 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3085 Valid, 415 Invalid, 9632 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [714 Valid, 8910 Invalid, 8 Unknown, 0 Unchecked, 75.6s Time] [2023-04-03 07:14:27,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47018 states. [2023-04-03 07:14:29,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47018 to 46812. [2023-04-03 07:14:29,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46812 states, 26613 states have (on average 1.211663472738887) internal successors, (32246), 27586 states have internal predecessors, (32246), 13515 states have call successors, (13515), 6512 states have call predecessors, (13515), 6681 states have return successors, (14051), 12946 states have call predecessors, (14051), 13510 states have call successors, (14051) [2023-04-03 07:14:30,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46812 states to 46812 states and 59812 transitions. [2023-04-03 07:14:30,241 INFO L78 Accepts]: Start accepts. Automaton has 46812 states and 59812 transitions. Word has length 266 [2023-04-03 07:14:30,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:14:30,241 INFO L495 AbstractCegarLoop]: Abstraction has 46812 states and 59812 transitions. [2023-04-03 07:14:30,241 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 4 states have call successors, (38), 3 states have call predecessors, (38), 2 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) [2023-04-03 07:14:30,242 INFO L276 IsEmpty]: Start isEmpty. Operand 46812 states and 59812 transitions. [2023-04-03 07:14:30,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2023-04-03 07:14:30,244 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:14:30,245 INFO L195 NwaCegarLoop]: trace histogram [23, 19, 19, 19, 19, 19, 19, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 07:14:30,245 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-04-03 07:14:30,245 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [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 (and 2 more)] === [2023-04-03 07:14:30,245 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:14:30,246 INFO L85 PathProgramCache]: Analyzing trace with hash -496423530, now seen corresponding path program 1 times [2023-04-03 07:14:30,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:14:30,246 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [975471019] [2023-04-03 07:14:30,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:14:30,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:14:30,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:14:31,913 INFO L134 CoverageAnalysis]: Checked inductivity of 1563 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 1554 trivial. 0 not checked. [2023-04-03 07:14:31,913 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:14:31,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [975471019] [2023-04-03 07:14:31,913 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [975471019] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:14:31,913 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:14:31,913 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 07:14:31,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [791351423] [2023-04-03 07:14:31,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:14:31,914 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 07:14:31,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:14:31,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 07:14:31,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 07:14:31,915 INFO L87 Difference]: Start difference. First operand 46812 states and 59812 transitions. Second operand has 5 states, 5 states have (on average 15.6) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (44), 3 states have call predecessors, (44), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2023-04-03 07:14:38,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:14:38,459 INFO L93 Difference]: Finished difference Result 50297 states and 63391 transitions. [2023-04-03 07:14:38,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 07:14:38,460 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (44), 3 states have call predecessors, (44), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) Word has length 302 [2023-04-03 07:14:38,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:14:38,685 INFO L225 Difference]: With dead ends: 50297 [2023-04-03 07:14:38,685 INFO L226 Difference]: Without dead ends: 50295 [2023-04-03 07:14:38,721 INFO L412 NwaCegarLoop]: 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 [2023-04-03 07:14:38,723 INFO L413 NwaCegarLoop]: 2164 mSDtfsCounter, 1526 mSDsluCounter, 5223 mSDsCounter, 0 mSdLazyCounter, 732 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1530 SdHoareTripleChecker+Valid, 7387 SdHoareTripleChecker+Invalid, 735 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 732 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2023-04-03 07:14:38,723 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1530 Valid, 7387 Invalid, 735 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 732 Invalid, 0 Unknown, 0 Unchecked, 5.2s Time] [2023-04-03 07:14:38,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50295 states. [2023-04-03 07:14:41,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50295 to 50291. [2023-04-03 07:14:41,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50291 states, 28569 states have (on average 1.2065175539920894) internal successors, (34469), 29542 states have internal predecessors, (34469), 14191 states have call successors, (14191), 7359 states have call predecessors, (14191), 7528 states have return successors, (14727), 13622 states have call predecessors, (14727), 14186 states have call successors, (14727) [2023-04-03 07:14:41,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50291 states to 50291 states and 63387 transitions. [2023-04-03 07:14:41,226 INFO L78 Accepts]: Start accepts. Automaton has 50291 states and 63387 transitions. Word has length 302 [2023-04-03 07:14:41,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:14:41,227 INFO L495 AbstractCegarLoop]: Abstraction has 50291 states and 63387 transitions. [2023-04-03 07:14:41,227 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (44), 3 states have call predecessors, (44), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2023-04-03 07:14:41,227 INFO L276 IsEmpty]: Start isEmpty. Operand 50291 states and 63387 transitions. [2023-04-03 07:14:41,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2023-04-03 07:14:41,231 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:14:41,231 INFO L195 NwaCegarLoop]: trace histogram [23, 19, 19, 19, 19, 19, 19, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 07:14:41,231 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-04-03 07:14:41,231 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [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 (and 2 more)] === [2023-04-03 07:14:41,232 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:14:41,232 INFO L85 PathProgramCache]: Analyzing trace with hash 1533068536, now seen corresponding path program 1 times [2023-04-03 07:14:41,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:14:41,232 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1797965978] [2023-04-03 07:14:41,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:14:41,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:14:41,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:14:42,401 INFO L134 CoverageAnalysis]: Checked inductivity of 1565 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 1554 trivial. 0 not checked. [2023-04-03 07:14:42,401 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:14:42,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1797965978] [2023-04-03 07:14:42,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1797965978] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:14:42,401 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:14:42,401 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 07:14:42,401 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1663940530] [2023-04-03 07:14:42,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:14:42,402 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 07:14:42,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:14:42,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 07:14:42,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 07:14:42,404 INFO L87 Difference]: Start difference. First operand 50291 states and 63387 transitions. Second operand has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (45), 3 states have call predecessors, (45), 2 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2023-04-03 07:14:46,345 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:14:48,103 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:14:51,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:14:51,060 INFO L93 Difference]: Finished difference Result 50297 states and 63392 transitions. [2023-04-03 07:14:51,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 07:14:51,061 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (45), 3 states have call predecessors, (45), 2 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) Word has length 307 [2023-04-03 07:14:51,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:14:51,231 INFO L225 Difference]: With dead ends: 50297 [2023-04-03 07:14:51,231 INFO L226 Difference]: Without dead ends: 50295 [2023-04-03 07:14:51,257 INFO L412 NwaCegarLoop]: 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 [2023-04-03 07:14:51,260 INFO L413 NwaCegarLoop]: 2167 mSDtfsCounter, 2348 mSDsluCounter, 4323 mSDsCounter, 0 mSdLazyCounter, 621 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2351 SdHoareTripleChecker+Valid, 6490 SdHoareTripleChecker+Invalid, 623 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 621 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.9s IncrementalHoareTripleChecker+Time [2023-04-03 07:14:51,260 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2351 Valid, 6490 Invalid, 623 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 621 Invalid, 0 Unknown, 0 Unchecked, 6.9s Time] [2023-04-03 07:14:51,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50295 states. [2023-04-03 07:14:53,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50295 to 50295. [2023-04-03 07:14:53,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50295 states, 28572 states have (on average 1.2064958700825983) internal successors, (34472), 29545 states have internal predecessors, (34472), 14191 states have call successors, (14191), 7360 states have call predecessors, (14191), 7529 states have return successors, (14727), 13622 states have call predecessors, (14727), 14186 states have call successors, (14727) [2023-04-03 07:14:53,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50295 states to 50295 states and 63390 transitions. [2023-04-03 07:14:53,872 INFO L78 Accepts]: Start accepts. Automaton has 50295 states and 63390 transitions. Word has length 307 [2023-04-03 07:14:53,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:14:53,873 INFO L495 AbstractCegarLoop]: Abstraction has 50295 states and 63390 transitions. [2023-04-03 07:14:53,873 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (45), 3 states have call predecessors, (45), 2 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2023-04-03 07:14:53,873 INFO L276 IsEmpty]: Start isEmpty. Operand 50295 states and 63390 transitions. [2023-04-03 07:14:53,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2023-04-03 07:14:53,882 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:14:53,883 INFO L195 NwaCegarLoop]: trace histogram [23, 19, 19, 19, 19, 19, 19, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 07:14:53,883 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-04-03 07:14:53,883 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [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 (and 2 more)] === [2023-04-03 07:14:53,883 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:14:53,884 INFO L85 PathProgramCache]: Analyzing trace with hash 937923222, now seen corresponding path program 1 times [2023-04-03 07:14:53,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:14:53,884 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668191659] [2023-04-03 07:14:53,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:14:53,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:14:53,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:14:55,012 INFO L134 CoverageAnalysis]: Checked inductivity of 1571 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 1558 trivial. 0 not checked. [2023-04-03 07:14:55,012 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:14:55,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [668191659] [2023-04-03 07:14:55,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [668191659] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:14:55,013 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:14:55,013 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 07:14:55,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054237862] [2023-04-03 07:14:55,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:14:55,013 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 07:14:55,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:14:55,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 07:14:55,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 07:14:55,014 INFO L87 Difference]: Start difference. First operand 50295 states and 63390 transitions. Second operand has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (46), 3 states have call predecessors, (46), 2 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2023-04-03 07:14:57,664 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:14:58,981 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:15:00,816 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:15:03,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:15:03,988 INFO L93 Difference]: Finished difference Result 50301 states and 63395 transitions. [2023-04-03 07:15:03,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 07:15:03,989 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (46), 3 states have call predecessors, (46), 2 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) Word has length 312 [2023-04-03 07:15:03,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:15:04,148 INFO L225 Difference]: With dead ends: 50301 [2023-04-03 07:15:04,149 INFO L226 Difference]: Without dead ends: 50299 [2023-04-03 07:15:04,174 INFO L412 NwaCegarLoop]: 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 [2023-04-03 07:15:04,174 INFO L413 NwaCegarLoop]: 2167 mSDtfsCounter, 2348 mSDsluCounter, 4323 mSDsCounter, 0 mSdLazyCounter, 621 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2350 SdHoareTripleChecker+Valid, 6490 SdHoareTripleChecker+Invalid, 623 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 621 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.4s IncrementalHoareTripleChecker+Time [2023-04-03 07:15:04,175 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2350 Valid, 6490 Invalid, 623 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 621 Invalid, 0 Unknown, 0 Unchecked, 7.4s Time] [2023-04-03 07:15:04,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50299 states. [2023-04-03 07:15:06,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50299 to 50299. [2023-04-03 07:15:06,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50299 states, 28575 states have (on average 1.2064741907261591) internal successors, (34475), 29548 states have internal predecessors, (34475), 14191 states have call successors, (14191), 7361 states have call predecessors, (14191), 7530 states have return successors, (14727), 13622 states have call predecessors, (14727), 14186 states have call successors, (14727) [2023-04-03 07:15:06,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50299 states to 50299 states and 63393 transitions. [2023-04-03 07:15:06,649 INFO L78 Accepts]: Start accepts. Automaton has 50299 states and 63393 transitions. Word has length 312 [2023-04-03 07:15:06,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:15:06,650 INFO L495 AbstractCegarLoop]: Abstraction has 50299 states and 63393 transitions. [2023-04-03 07:15:06,650 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (46), 3 states have call predecessors, (46), 2 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2023-04-03 07:15:06,651 INFO L276 IsEmpty]: Start isEmpty. Operand 50299 states and 63393 transitions. [2023-04-03 07:15:06,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2023-04-03 07:15:06,654 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:15:06,655 INFO L195 NwaCegarLoop]: trace histogram [23, 19, 19, 19, 19, 19, 19, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 07:15:06,655 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-04-03 07:15:06,655 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [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 (and 2 more)] === [2023-04-03 07:15:06,655 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:15:06,655 INFO L85 PathProgramCache]: Analyzing trace with hash 508800888, now seen corresponding path program 1 times [2023-04-03 07:15:06,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:15:06,656 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1902404737] [2023-04-03 07:15:06,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:15:06,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:15:06,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:15:07,536 INFO L134 CoverageAnalysis]: Checked inductivity of 1581 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 1566 trivial. 0 not checked. [2023-04-03 07:15:07,536 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:15:07,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1902404737] [2023-04-03 07:15:07,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1902404737] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:15:07,536 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:15:07,536 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 07:15:07,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64667161] [2023-04-03 07:15:07,537 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:15:07,537 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 07:15:07,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:15:07,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 07:15:07,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 07:15:07,538 INFO L87 Difference]: Start difference. First operand 50299 states and 63393 transitions. Second operand has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (47), 3 states have call predecessors, (47), 2 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2023-04-03 07:15:12,222 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:15:13,656 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:15:15,664 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:15:18,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:15:18,379 INFO L93 Difference]: Finished difference Result 52641 states and 65459 transitions. [2023-04-03 07:15:18,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 07:15:18,380 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (47), 3 states have call predecessors, (47), 2 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) Word has length 317 [2023-04-03 07:15:18,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:15:18,642 INFO L225 Difference]: With dead ends: 52641 [2023-04-03 07:15:18,642 INFO L226 Difference]: Without dead ends: 52637 [2023-04-03 07:15:18,662 INFO L412 NwaCegarLoop]: 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 [2023-04-03 07:15:18,663 INFO L413 NwaCegarLoop]: 2172 mSDtfsCounter, 1488 mSDsluCounter, 5202 mSDsCounter, 0 mSdLazyCounter, 716 mSolverCounterSat, 3 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1489 SdHoareTripleChecker+Valid, 7374 SdHoareTripleChecker+Invalid, 721 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 716 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.8s IncrementalHoareTripleChecker+Time [2023-04-03 07:15:18,663 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1489 Valid, 7374 Invalid, 721 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 716 Invalid, 2 Unknown, 0 Unchecked, 8.8s Time] [2023-04-03 07:15:18,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52637 states. [2023-04-03 07:15:21,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52637 to 52635. [2023-04-03 07:15:21,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52635 states, 29822 states have (on average 1.200724297498491) internal successors, (35808), 30794 states have internal predecessors, (35808), 14555 states have call successors, (14555), 8087 states have call predecessors, (14555), 8255 states have return successors, (15091), 13986 states have call predecessors, (15091), 14550 states have call successors, (15091) [2023-04-03 07:15:21,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52635 states to 52635 states and 65454 transitions. [2023-04-03 07:15:21,235 INFO L78 Accepts]: Start accepts. Automaton has 52635 states and 65454 transitions. Word has length 317 [2023-04-03 07:15:21,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:15:21,235 INFO L495 AbstractCegarLoop]: Abstraction has 52635 states and 65454 transitions. [2023-04-03 07:15:21,235 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (47), 3 states have call predecessors, (47), 2 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2023-04-03 07:15:21,236 INFO L276 IsEmpty]: Start isEmpty. Operand 52635 states and 65454 transitions. [2023-04-03 07:15:21,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2023-04-03 07:15:21,240 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:15:21,240 INFO L195 NwaCegarLoop]: trace histogram [23, 19, 19, 19, 19, 19, 19, 5, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 07:15:21,240 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-04-03 07:15:21,240 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [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 (and 2 more)] === [2023-04-03 07:15:21,241 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:15:21,241 INFO L85 PathProgramCache]: Analyzing trace with hash -1528993898, now seen corresponding path program 1 times [2023-04-03 07:15:21,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:15:21,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1174317220] [2023-04-03 07:15:21,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:15:21,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:15:21,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:15:22,085 INFO L134 CoverageAnalysis]: Checked inductivity of 1595 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 1578 trivial. 0 not checked. [2023-04-03 07:15:22,085 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:15:22,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1174317220] [2023-04-03 07:15:22,086 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1174317220] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:15:22,086 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:15:22,086 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 07:15:22,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1933409501] [2023-04-03 07:15:22,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:15:22,086 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 07:15:22,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:15:22,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 07:15:22,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 07:15:22,087 INFO L87 Difference]: Start difference. First operand 52635 states and 65454 transitions. Second operand has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (48), 3 states have call predecessors, (48), 2 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2023-04-03 07:15:26,288 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:15:29,903 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:15:31,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:15:31,106 INFO L93 Difference]: Finished difference Result 52635 states and 65454 transitions. [2023-04-03 07:15:31,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 07:15:31,108 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (48), 3 states have call predecessors, (48), 2 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) Word has length 322 [2023-04-03 07:15:31,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:15:31,372 INFO L225 Difference]: With dead ends: 52635 [2023-04-03 07:15:31,372 INFO L226 Difference]: Without dead ends: 51167 [2023-04-03 07:15:31,397 INFO L412 NwaCegarLoop]: 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 [2023-04-03 07:15:31,397 INFO L413 NwaCegarLoop]: 2165 mSDtfsCounter, 2344 mSDsluCounter, 4322 mSDsCounter, 0 mSdLazyCounter, 615 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2344 SdHoareTripleChecker+Valid, 6487 SdHoareTripleChecker+Invalid, 618 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 615 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.9s IncrementalHoareTripleChecker+Time [2023-04-03 07:15:31,397 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2344 Valid, 6487 Invalid, 618 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 615 Invalid, 1 Unknown, 0 Unchecked, 6.9s Time] [2023-04-03 07:15:31,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51167 states. [2023-04-03 07:15:33,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51167 to 51167. [2023-04-03 07:15:33,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51167 states, 29279 states have (on average 1.199528672427337) internal successors, (35121), 30107 states have internal predecessors, (35121), 13971 states have call successors, (13971), 7745 states have call predecessors, (13971), 7915 states have return successors, (14511), 13547 states have call predecessors, (14511), 13970 states have call successors, (14511) [2023-04-03 07:15:34,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51167 states to 51167 states and 63603 transitions. [2023-04-03 07:15:34,027 INFO L78 Accepts]: Start accepts. Automaton has 51167 states and 63603 transitions. Word has length 322 [2023-04-03 07:15:34,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:15:34,028 INFO L495 AbstractCegarLoop]: Abstraction has 51167 states and 63603 transitions. [2023-04-03 07:15:34,028 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (48), 3 states have call predecessors, (48), 2 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2023-04-03 07:15:34,028 INFO L276 IsEmpty]: Start isEmpty. Operand 51167 states and 63603 transitions. [2023-04-03 07:15:34,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2023-04-03 07:15:34,032 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:15:34,032 INFO L195 NwaCegarLoop]: trace histogram [24, 19, 19, 19, 19, 19, 19, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 07:15:34,033 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-04-03 07:15:34,033 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [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 (and 2 more)] === [2023-04-03 07:15:34,033 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:15:34,033 INFO L85 PathProgramCache]: Analyzing trace with hash -593300324, now seen corresponding path program 1 times [2023-04-03 07:15:34,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:15:34,034 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [604624915] [2023-04-03 07:15:34,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:15:34,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:15:34,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:15:34,520 INFO L134 CoverageAnalysis]: Checked inductivity of 1615 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 1607 trivial. 0 not checked. [2023-04-03 07:15:34,521 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:15:34,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [604624915] [2023-04-03 07:15:34,521 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [604624915] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:15:34,521 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:15:34,521 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 07:15:34,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [747522607] [2023-04-03 07:15:34,521 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:15:34,522 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 07:15:34,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:15:34,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 07:15:34,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 07:15:34,523 INFO L87 Difference]: Start difference. First operand 51167 states and 63603 transitions. Second operand has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 3 states have call successors, (51), 3 states have call predecessors, (51), 2 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) [2023-04-03 07:15:39,260 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:15:41,439 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:15:44,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:15:44,360 INFO L93 Difference]: Finished difference Result 124977 states and 155464 transitions. [2023-04-03 07:15:44,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 07:15:44,361 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 3 states have call successors, (51), 3 states have call predecessors, (51), 2 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) Word has length 330 [2023-04-03 07:15:44,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:15:44,665 INFO L225 Difference]: With dead ends: 124977 [2023-04-03 07:15:44,666 INFO L226 Difference]: Without dead ends: 73998 [2023-04-03 07:15:44,834 INFO L412 NwaCegarLoop]: 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 [2023-04-03 07:15:44,834 INFO L413 NwaCegarLoop]: 3650 mSDtfsCounter, 2060 mSDsluCounter, 2074 mSDsCounter, 0 mSdLazyCounter, 592 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2060 SdHoareTripleChecker+Valid, 5724 SdHoareTripleChecker+Invalid, 600 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 592 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2023-04-03 07:15:44,836 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2060 Valid, 5724 Invalid, 600 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 592 Invalid, 0 Unknown, 0 Unchecked, 6.4s Time] [2023-04-03 07:15:44,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73998 states. [2023-04-03 07:15:48,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73998 to 73892. [2023-04-03 07:15:48,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73892 states, 42334 states have (on average 1.198327585392356) internal successors, (50730), 43546 states have internal predecessors, (50730), 20079 states have call successors, (20079), 11255 states have call predecessors, (20079), 11477 states have return successors, (20879), 19427 states have call predecessors, (20879), 20078 states have call successors, (20879) [2023-04-03 07:15:48,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73892 states to 73892 states and 91688 transitions. [2023-04-03 07:15:48,653 INFO L78 Accepts]: Start accepts. Automaton has 73892 states and 91688 transitions. Word has length 330 [2023-04-03 07:15:48,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:15:48,654 INFO L495 AbstractCegarLoop]: Abstraction has 73892 states and 91688 transitions. [2023-04-03 07:15:48,654 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 3 states have call successors, (51), 3 states have call predecessors, (51), 2 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) [2023-04-03 07:15:48,654 INFO L276 IsEmpty]: Start isEmpty. Operand 73892 states and 91688 transitions. [2023-04-03 07:15:48,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2023-04-03 07:15:48,659 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:15:48,659 INFO L195 NwaCegarLoop]: trace histogram [24, 19, 19, 19, 19, 19, 19, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 07:15:48,659 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-04-03 07:15:48,660 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [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 (and 2 more)] === [2023-04-03 07:15:48,660 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:15:48,660 INFO L85 PathProgramCache]: Analyzing trace with hash -830445166, now seen corresponding path program 1 times [2023-04-03 07:15:48,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:15:48,660 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [263865076] [2023-04-03 07:15:48,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:15:48,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:15:48,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:15:49,120 INFO L134 CoverageAnalysis]: Checked inductivity of 1615 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 1607 trivial. 0 not checked. [2023-04-03 07:15:49,120 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:15:49,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [263865076] [2023-04-03 07:15:49,120 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [263865076] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:15:49,120 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:15:49,120 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 07:15:49,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [176888818] [2023-04-03 07:15:49,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:15:49,121 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 07:15:49,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:15:49,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 07:15:49,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 07:15:49,122 INFO L87 Difference]: Start difference. First operand 73892 states and 91688 transitions. Second operand has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 3 states have call successors, (51), 3 states have call predecessors, (51), 2 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45)