/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-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-03 08:46:05,872 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-03 08:46:05,874 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-03 08:46:05,913 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-03 08:46:05,913 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-03 08:46:05,916 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-03 08:46:05,919 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-03 08:46:05,922 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-03 08:46:05,925 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-03 08:46:05,930 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-03 08:46:05,931 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-03 08:46:05,933 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-03 08:46:05,933 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-03 08:46:05,935 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-03 08:46:05,936 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-03 08:46:05,940 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-03 08:46:05,941 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-03 08:46:05,941 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-03 08:46:05,943 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-03 08:46:05,947 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-03 08:46:05,948 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-03 08:46:05,949 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-03 08:46:05,950 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-03 08:46:05,952 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-03 08:46:05,960 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-03 08:46:05,960 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-03 08:46:05,960 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-03 08:46:05,962 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-03 08:46:05,963 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-03 08:46:05,963 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-03 08:46:05,963 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-03 08:46:05,964 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-03 08:46:05,965 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-03 08:46:05,966 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-03 08:46:05,966 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-03 08:46:05,967 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-03 08:46:05,967 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-03 08:46:05,967 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-03 08:46:05,967 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-03 08:46:05,968 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-03 08:46:05,969 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-03 08:46:05,970 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 08:46:06,000 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-03 08:46:06,000 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-03 08:46:06,001 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-03 08:46:06,001 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-03 08:46:06,002 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-03 08:46:06,002 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-03 08:46:06,002 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-03 08:46:06,002 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-03 08:46:06,002 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-03 08:46:06,002 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-03 08:46:06,003 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-03 08:46:06,003 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-03 08:46:06,004 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-03 08:46:06,004 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-03 08:46:06,004 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-03 08:46:06,004 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-03 08:46:06,004 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-03 08:46:06,004 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-03 08:46:06,005 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-03 08:46:06,005 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-03 08:46:06,005 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-03 08:46:06,006 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-03 08:46:06,006 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-03 08:46:06,006 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-03 08:46:06,006 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-03 08:46:06,006 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-03 08:46:06,007 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-03 08:46:06,007 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-03 08:46:06,007 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-03 08:46:06,007 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-03 08:46:06,007 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-03 08:46:06,007 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-03 08:46:06,008 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 08:46:06,008 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-03 08:46:06,008 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-03 08:46:06,008 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-03 08:46:06,008 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-03 08:46:06,008 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-03 08:46:06,009 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-03 08:46:06,009 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-03 08:46:06,009 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-03 08:46:06,009 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-03 08:46:06,255 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-03 08:46:06,276 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-03 08:46:06,279 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-03 08:46:06,280 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-03 08:46:06,281 INFO L275 PluginConnector]: CDTParser initialized [2023-04-03 08:46:06,282 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i [2023-04-03 08:46:07,453 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-03 08:46:08,142 INFO L351 CDTParser]: Found 1 translation units. [2023-04-03 08:46:08,143 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i [2023-04-03 08:46:08,224 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/83273be2b/a6b1f5091d984b0d843d553abfa618c3/FLAG792be7dca [2023-04-03 08:46:08,243 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/83273be2b/a6b1f5091d984b0d843d553abfa618c3 [2023-04-03 08:46:08,246 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-03 08:46:08,247 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-03 08:46:08,249 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-03 08:46:08,249 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-03 08:46:08,255 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-03 08:46:08,255 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 08:46:08" (1/1) ... [2023-04-03 08:46:08,256 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cf49665 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 08:46:08, skipping insertion in model container [2023-04-03 08:46:08,256 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 08:46:08" (1/1) ... [2023-04-03 08:46:08,263 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-03 08:46:08,418 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-03 08:46:12,457 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i[459471,459484] [2023-04-03 08:46:12,461 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i[459640,459653] [2023-04-03 08:46:12,462 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i[459807,459820] [2023-04-03 08:46:12,462 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i[459975,459988] [2023-04-03 08:46:12,498 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 08:46:12,560 INFO L203 MainTranslator]: Completed pre-run [2023-04-03 08:46:12,991 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i[459471,459484] [2023-04-03 08:46:12,992 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i[459640,459653] [2023-04-03 08:46:12,993 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i[459807,459820] [2023-04-03 08:46:12,993 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i[459975,459988] [2023-04-03 08:46:13,004 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 08:46:13,148 INFO L208 MainTranslator]: Completed translation [2023-04-03 08:46:13,149 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 08:46:13 WrapperNode [2023-04-03 08:46:13,149 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-03 08:46:13,150 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-03 08:46:13,150 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-03 08:46:13,150 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-03 08:46:13,161 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 08:46:13" (1/1) ... [2023-04-03 08:46:13,162 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 08:46:13" (1/1) ... [2023-04-03 08:46:13,282 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 08:46:13" (1/1) ... [2023-04-03 08:46:13,283 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 08:46:13" (1/1) ... [2023-04-03 08:46:13,460 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 08:46:13" (1/1) ... [2023-04-03 08:46:13,482 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 08:46:13" (1/1) ... [2023-04-03 08:46:13,526 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 08:46:13" (1/1) ... [2023-04-03 08:46:13,560 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 08:46:13" (1/1) ... [2023-04-03 08:46:13,618 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-03 08:46:13,619 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-03 08:46:13,619 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-03 08:46:13,619 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-03 08:46:13,619 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 08:46:13" (1/1) ... [2023-04-03 08:46:13,627 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 08:46:13,636 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 08:46:13,651 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 08:46:13,659 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 08:46:13,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-03 08:46:13,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-03 08:46:13,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2023-04-03 08:46:13,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2023-04-03 08:46:13,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~TO~int [2023-04-03 08:46:13,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~gfp_t~0~X~$Pointer$~TO~$Pointer$ [2023-04-03 08:46:13,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~dma_addr_t~0~X~$Pointer$~TO~VOID [2023-04-03 08:46:13,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~u8~0~X~~u8~0~TO~~u8~0 [2023-04-03 08:46:13,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-04-03 08:46:13,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2023-04-03 08:46:13,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-04-03 08:46:13,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2023-04-03 08:46:13,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-04-03 08:46:13,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2023-04-03 08:46:13,691 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-04-03 08:46:13,691 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2023-04-03 08:46:13,691 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2023-04-03 08:46:13,692 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-04-03 08:46:13,692 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-04-03 08:46:13,692 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-04-03 08:46:13,692 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-04-03 08:46:13,692 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2023-04-03 08:46:13,692 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2023-04-03 08:46:13,692 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2023-04-03 08:46:13,692 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2023-04-03 08:46:13,692 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2023-04-03 08:46:13,692 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2023-04-03 08:46:13,692 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-04-03 08:46:13,692 INFO L138 BoogieDeclarations]: Found implementation of procedure is_device_dma_capable [2023-04-03 08:46:13,692 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2023-04-03 08:46:13,693 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-04-03 08:46:13,693 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2023-04-03 08:46:13,693 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2023-04-03 08:46:13,693 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2023-04-03 08:46:13,694 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_coherent_mask [2023-04-03 08:46:13,694 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_coherent_gfp_flags [2023-04-03 08:46:13,694 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2023-04-03 08:46:13,694 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2023-04-03 08:46:13,694 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_coherent_mask [2023-04-03 08:46:13,695 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2023-04-03 08:46:13,695 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2023-04-03 08:46:13,695 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2023-04-03 08:46:13,695 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2023-04-03 08:46:13,695 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2023-04-03 08:46:13,695 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2023-04-03 08:46:13,695 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2023-04-03 08:46:13,695 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-04-03 08:46:13,696 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2023-04-03 08:46:13,696 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2023-04-03 08:46:13,696 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_peek [2023-04-03 08:46:13,696 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2023-04-03 08:46:13,696 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_head_init [2023-04-03 08:46:13,697 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2023-04-03 08:46:13,697 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_insert [2023-04-03 08:46:13,698 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_before [2023-04-03 08:46:13,698 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_tail [2023-04-03 08:46:13,698 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_unlink [2023-04-03 08:46:13,698 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2023-04-03 08:46:13,698 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2023-04-03 08:46:13,698 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2023-04-03 08:46:13,699 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2023-04-03 08:46:13,699 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_set_queue_mapping [2023-04-03 08:46:13,699 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_get_queue_mapping [2023-04-03 08:46:13,699 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2023-04-03 08:46:13,699 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2023-04-03 08:46:13,699 INFO L138 BoogieDeclarations]: Found implementation of procedure is_multicast_ether_addr [2023-04-03 08:46:13,699 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2023-04-03 08:46:13,699 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_random_addr [2023-04-03 08:46:13,699 INFO L138 BoogieDeclarations]: Found implementation of procedure set_wiphy_dev [2023-04-03 08:46:13,699 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_CB [2023-04-03 08:46:13,699 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_RXCB [2023-04-03 08:46:13,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_tx_info_clear_status [2023-04-03 08:46:13,700 INFO L138 BoogieDeclarations]: Found implementation of procedure SET_IEEE80211_DEV [2023-04-03 08:46:13,700 INFO L138 BoogieDeclarations]: Found implementation of procedure SET_IEEE80211_PERM_ADDR [2023-04-03 08:46:13,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_tx_rate [2023-04-03 08:46:13,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_rts_cts_rate [2023-04-03 08:46:13,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_alt_retry_rate [2023-04-03 08:46:13,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_beacon_get [2023-04-03 08:46:13,701 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_ioread8 [2023-04-03 08:46:13,702 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_ioread16 [2023-04-03 08:46:13,702 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_ioread32 [2023-04-03 08:46:13,702 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite8 [2023-04-03 08:46:13,702 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite16 [2023-04-03 08:46:13,702 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite32 [2023-04-03 08:46:13,702 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_write_phy [2023-04-03 08:46:13,702 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_handle_rx [2023-04-03 08:46:13,702 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_handle_tx [2023-04-03 08:46:13,702 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_interrupt [2023-04-03 08:46:13,702 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_tx [2023-04-03 08:46:13,702 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_set_anaparam [2023-04-03 08:46:13,702 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_init_hw [2023-04-03 08:46:13,702 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_init_rx_ring [2023-04-03 08:46:13,702 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_free_rx_ring [2023-04-03 08:46:13,702 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_init_tx_ring [2023-04-03 08:46:13,703 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_free_tx_ring [2023-04-03 08:46:13,703 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_start [2023-04-03 08:46:13,703 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_stop [2023-04-03 08:46:13,703 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_get_tsf [2023-04-03 08:46:13,703 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_beacon_work [2023-04-03 08:46:13,703 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_add_interface [2023-04-03 08:46:13,703 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_remove_interface [2023-04-03 08:46:13,704 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_config [2023-04-03 08:46:13,704 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_bss_info_changed [2023-04-03 08:46:13,704 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_prepare_multicast [2023-04-03 08:46:13,704 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_configure_filter [2023-04-03 08:46:13,704 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_eeprom_register_read [2023-04-03 08:46:13,704 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_eeprom_register_write [2023-04-03 08:46:13,705 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_probe [2023-04-03 08:46:13,705 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_remove [2023-04-03 08:46:13,705 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_suspend [2023-04-03 08:46:13,705 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_resume [2023-04-03 08:46:13,706 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_driver_init [2023-04-03 08:46:13,706 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_driver_exit [2023-04-03 08:46:13,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_rtl8180_driver_exit_14_2 [2023-04-03 08:46:13,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_init_rtl8180_driver_init_14_9 [2023-04-03 08:46:13,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___pci_register_driver [2023-04-03 08:46:13,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_allocate_external_0 [2023-04-03 08:46:13,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_deregister_10_2 [2023-04-03 08:46:13,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_deregister_12_1 [2023-04-03 08:46:13,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_deregister_dummy_factory_11_14_4 [2023-04-03 08:46:13,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_instance_deregister_7_2 [2023-04-03 08:46:13,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_instance_register_7_3 [2023-04-03 08:46:13,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_irq_deregister_8_1 [2023-04-03 08:46:13,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_irq_register_11_2 [2023-04-03 08:46:13,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_13_2 [2023-04-03 08:46:13,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_9_3 [2023-04-03 08:46:13,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_dummy_factory_11_14_5 [2023-04-03 08:46:13,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_entry_EMGentry_14 [2023-04-03 08:46:13,710 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-03 08:46:13,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2023-04-03 08:46:13,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ieee80211_alloc_hw [2023-04-03 08:46:13,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ieee80211_free_hw [2023-04-03 08:46:13,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ieee80211_ieee80211_instance_0 [2023-04-03 08:46:13,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ieee80211_ieee80211_instance_1 [2023-04-03 08:46:13,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ieee80211_ieee80211_instance_2 [2023-04-03 08:46:13,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ieee80211_ieee80211_instance_3 [2023-04-03 08:46:13,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ieee80211_instance_callback_0_10 [2023-04-03 08:46:13,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ieee80211_instance_callback_0_18 [2023-04-03 08:46:13,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ieee80211_instance_callback_0_25 [2023-04-03 08:46:13,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ieee80211_instance_callback_0_28 [2023-04-03 08:46:13,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ieee80211_instance_callback_0_31 [2023-04-03 08:46:13,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ieee80211_instance_callback_0_33 [2023-04-03 08:46:13,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ieee80211_instance_callback_0_34 [2023-04-03 08:46:13,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ieee80211_instance_callback_0_36 [2023-04-03 08:46:13,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ieee80211_instance_callback_1_10 [2023-04-03 08:46:13,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ieee80211_instance_callback_1_18 [2023-04-03 08:46:13,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ieee80211_instance_callback_1_25 [2023-04-03 08:46:13,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ieee80211_instance_callback_1_28 [2023-04-03 08:46:13,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ieee80211_instance_callback_1_31 [2023-04-03 08:46:13,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ieee80211_instance_callback_1_33 [2023-04-03 08:46:13,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ieee80211_instance_callback_1_34 [2023-04-03 08:46:13,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ieee80211_instance_callback_1_36 [2023-04-03 08:46:13,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ieee80211_instance_callback_2_10 [2023-04-03 08:46:13,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ieee80211_instance_callback_2_18 [2023-04-03 08:46:13,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ieee80211_instance_callback_2_25 [2023-04-03 08:46:13,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ieee80211_instance_callback_2_28 [2023-04-03 08:46:13,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ieee80211_instance_callback_2_31 [2023-04-03 08:46:13,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ieee80211_instance_callback_2_33 [2023-04-03 08:46:13,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ieee80211_instance_callback_2_34 [2023-04-03 08:46:13,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ieee80211_instance_callback_2_36 [2023-04-03 08:46:13,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ieee80211_instance_callback_3_10 [2023-04-03 08:46:13,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ieee80211_instance_callback_3_18 [2023-04-03 08:46:13,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ieee80211_instance_callback_3_25 [2023-04-03 08:46:13,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ieee80211_instance_callback_3_28 [2023-04-03 08:46:13,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ieee80211_instance_callback_3_31 [2023-04-03 08:46:13,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ieee80211_instance_callback_3_33 [2023-04-03 08:46:13,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ieee80211_instance_callback_3_34 [2023-04-03 08:46:13,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ieee80211_instance_callback_3_36 [2023-04-03 08:46:13,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ieee80211_instance_resume_0_12 [2023-04-03 08:46:13,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ieee80211_instance_resume_1_12 [2023-04-03 08:46:13,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ieee80211_instance_resume_2_12 [2023-04-03 08:46:13,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ieee80211_instance_resume_3_12 [2023-04-03 08:46:13,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ieee80211_instance_start_0_6 [2023-04-03 08:46:13,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ieee80211_instance_start_1_6 [2023-04-03 08:46:13,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ieee80211_instance_start_2_6 [2023-04-03 08:46:13,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ieee80211_instance_start_3_6 [2023-04-03 08:46:13,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ieee80211_instance_stop_2_8 [2023-04-03 08:46:13,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_external_data [2023-04-03 08:46:13,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_instance_handler_4_5 [2023-04-03 08:46:13,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_instance_thread_4_3 [2023-04-03 08:46:13,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_4 [2023-04-03 08:46:13,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_instance_probe_5_17 [2023-04-03 08:46:13,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_instance_release_5_2 [2023-04-03 08:46:13,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_instance_resume_5_5 [2023-04-03 08:46:13,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_instance_resume_early_5_6 [2023-04-03 08:46:13,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_instance_shutdown_5_3 [2023-04-03 08:46:13,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_instance_suspend_5_8 [2023-04-03 08:46:13,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_instance_suspend_late_5_7 [2023-04-03 08:46:13,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_pci_instance_5 [2023-04-03 08:46:13,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_unregister_driver [2023-04-03 08:46:13,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2023-04-03 08:46:13,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-04-03 08:46:13,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-04-03 08:46:13,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_1 [2023-04-03 08:46:13,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_15 [2023-04-03 08:46:13,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_1 [2023-04-03 08:46:13,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_15 [2023-04-03 08:46:13,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_2_1 [2023-04-03 08:46:13,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_2_15 [2023-04-03 08:46:13,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_3_1 [2023-04-03 08:46:13,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_3_15 [2023-04-03 08:46:13,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_4_1 [2023-04-03 08:46:13,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_4_6 [2023-04-03 08:46:13,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_5_11 [2023-04-03 08:46:13,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_5_20 [2023-04-03 08:46:13,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_6_1 [2023-04-03 08:46:13,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_6_3 [2023-04-03 08:46:13,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_7_1 [2023-04-03 08:46:13,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_7_4 [2023-04-03 08:46:13,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_dummy_factory_7 [2023-04-03 08:46:13,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_instance_callback_6_2 [2023-04-03 08:46:13,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_timer_instance_6 [2023-04-03 08:46:13,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata_27 [2023-04-03 08:46:13,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata_28 [2023-04-03 08:46:13,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_60 [2023-04-03 08:46:13,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_61 [2023-04-03 08:46:13,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_63 [2023-04-03 08:46:13,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_64 [2023-04-03 08:46:13,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_65 [2023-04-03 08:46:13,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_66 [2023-04-03 08:46:13,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ieee80211_alloc_hw_67 [2023-04-03 08:46:13,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ieee80211_free_hw_68 [2023-04-03 08:46:13,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ieee80211_free_hw_69 [2023-04-03 08:46:13,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___pci_register_driver_70 [2023-04-03 08:46:13,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_unregister_driver_71 [2023-04-03 08:46:13,717 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_write_phy_ofdm [2023-04-03 08:46:13,717 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_write_phy_cck [2023-04-03 08:46:13,718 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_write [2023-04-03 08:46:13,718 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_read [2023-04-03 08:46:13,718 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_set_tx_power [2023-04-03 08:46:13,718 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_init [2023-04-03 08:46:13,718 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225z2_rf_set_tx_power [2023-04-03 08:46:13,718 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225z2_rf_init [2023-04-03 08:46:13,718 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_stop [2023-04-03 08:46:13,718 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_set_channel [2023-04-03 08:46:13,718 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_conf_erp [2023-04-03 08:46:13,718 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_detect_rf [2023-04-03 08:46:13,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ieee80211_instance_callback_0_24 [2023-04-03 08:46:13,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ieee80211_instance_callback_0_32 [2023-04-03 08:46:13,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ieee80211_instance_callback_1_24 [2023-04-03 08:46:13,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ieee80211_instance_callback_2_24 [2023-04-03 08:46:13,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ieee80211_instance_callback_2_32 [2023-04-03 08:46:13,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ieee80211_instance_callback_2_35 [2023-04-03 08:46:13,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ieee80211_instance_callback_3_24 [2023-04-03 08:46:13,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ieee80211_instance_stop_3_8 [2023-04-03 08:46:13,719 INFO L138 BoogieDeclarations]: Found implementation of procedure write_sa2400 [2023-04-03 08:46:13,719 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_write_phy_antenna [2023-04-03 08:46:13,719 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_calc_rssi [2023-04-03 08:46:13,719 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_set_channel [2023-04-03 08:46:13,719 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_stop [2023-04-03 08:46:13,719 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_init [2023-04-03 08:46:13,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ieee80211_instance_callback_2_21 [2023-04-03 08:46:13,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ieee80211_instance_callback_3_32 [2023-04-03 08:46:13,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ieee80211_instance_callback_3_35 [2023-04-03 08:46:13,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ieee80211_instance_stop_0_8 [2023-04-03 08:46:13,719 INFO L138 BoogieDeclarations]: Found implementation of procedure write_max2820 [2023-04-03 08:46:13,720 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_write_phy_antenna [2023-04-03 08:46:13,720 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_calc_rssi [2023-04-03 08:46:13,720 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_set_channel [2023-04-03 08:46:13,720 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_stop [2023-04-03 08:46:13,720 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_init [2023-04-03 08:46:13,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ieee80211_instance_callback_1_21 [2023-04-03 08:46:13,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ieee80211_instance_callback_1_32 [2023-04-03 08:46:13,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ieee80211_instance_callback_1_35 [2023-04-03 08:46:13,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ieee80211_instance_stop_1_8 [2023-04-03 08:46:13,720 INFO L138 BoogieDeclarations]: Found implementation of procedure write_grf5101 [2023-04-03 08:46:13,720 INFO L138 BoogieDeclarations]: Found implementation of procedure grf5101_write_phy_antenna [2023-04-03 08:46:13,720 INFO L138 BoogieDeclarations]: Found implementation of procedure grf5101_rf_calc_rssi [2023-04-03 08:46:13,720 INFO L138 BoogieDeclarations]: Found implementation of procedure grf5101_rf_set_channel [2023-04-03 08:46:13,720 INFO L138 BoogieDeclarations]: Found implementation of procedure grf5101_rf_stop [2023-04-03 08:46:13,721 INFO L138 BoogieDeclarations]: Found implementation of procedure grf5101_rf_init [2023-04-03 08:46:13,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ieee80211_instance_callback_0_21 [2023-04-03 08:46:13,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ieee80211_instance_callback_0_35 [2023-04-03 08:46:13,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ieee80211_instance_callback_3_21 [2023-04-03 08:46:13,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2023-04-03 08:46:13,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-04-03 08:46:13,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spi_alloc_master [2023-04-03 08:46:13,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-04-03 08:46:13,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2023-04-03 08:46:13,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2023-04-03 08:46:13,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2023-04-03 08:46:13,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-04-03 08:46:13,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_init [2023-04-03 08:46:13,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2023-04-03 08:46:13,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-04-03 08:46:13,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kzalloc [2023-04-03 08:46:13,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-04-03 08:46:13,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-04-03 08:46:13,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-04-03 08:46:13,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2023-04-03 08:46:13,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-04-03 08:46:13,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc [2023-04-03 08:46:13,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-04-03 08:46:13,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-04-03 08:46:13,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-04-03 08:46:13,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xzalloc [2023-04-03 08:46:13,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-04-03 08:46:13,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2023-04-03 08:46:13,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_negative [2023-04-03 08:46:13,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_nonpositive [2023-04-03 08:46:13,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_create [2023-04-03 08:46:13,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_create_N [2023-04-03 08:46:13,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_join [2023-04-03 08:46:13,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_join_N [2023-04-03 08:46:13,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock__xmit_lock_of_netdev_queue [2023-04-03 08:46:13,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock__xmit_lock_of_netdev_queue [2023-04-03 08:46:13,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock__xmit_lock_of_netdev_queue [2023-04-03 08:46:13,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait__xmit_lock_of_netdev_queue [2023-04-03 08:46:13,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked__xmit_lock_of_netdev_queue [2023-04-03 08:46:13,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock__xmit_lock_of_netdev_queue [2023-04-03 08:46:13,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended__xmit_lock_of_netdev_queue [2023-04-03 08:46:13,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock__xmit_lock_of_netdev_queue [2023-04-03 08:46:13,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_addr_list_lock_of_net_device [2023-04-03 08:46:13,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_addr_list_lock_of_net_device [2023-04-03 08:46:13,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_addr_list_lock_of_net_device [2023-04-03 08:46:13,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_addr_list_lock_of_net_device [2023-04-03 08:46:13,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_addr_list_lock_of_net_device [2023-04-03 08:46:13,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_addr_list_lock_of_net_device [2023-04-03 08:46:13,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_addr_list_lock_of_net_device [2023-04-03 08:46:13,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_addr_list_lock_of_net_device [2023-04-03 08:46:13,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_alloc_lock_of_task_struct [2023-04-03 08:46:13,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_alloc_lock_of_task_struct [2023-04-03 08:46:13,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_alloc_lock_of_task_struct [2023-04-03 08:46:13,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_alloc_lock_of_task_struct [2023-04-03 08:46:13,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_alloc_lock_of_task_struct [2023-04-03 08:46:13,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_alloc_lock_of_task_struct [2023-04-03 08:46:13,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_alloc_lock_of_task_struct [2023-04-03 08:46:13,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_alloc_lock_of_task_struct [2023-04-03 08:46:13,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_i_lock_of_inode [2023-04-03 08:46:13,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_i_lock_of_inode [2023-04-03 08:46:13,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_i_lock_of_inode [2023-04-03 08:46:13,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_i_lock_of_inode [2023-04-03 08:46:13,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_i_lock_of_inode [2023-04-03 08:46:13,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_i_lock_of_inode [2023-04-03 08:46:13,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_i_lock_of_inode [2023-04-03 08:46:13,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_i_lock_of_inode [2023-04-03 08:46:13,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock [2023-04-03 08:46:13,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock [2023-04-03 08:46:13,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_lock [2023-04-03 08:46:13,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_lock [2023-04-03 08:46:13,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_lock [2023-04-03 08:46:13,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_lock [2023-04-03 08:46:13,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_lock [2023-04-03 08:46:13,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_lock [2023-04-03 08:46:13,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_NOT_ARG_SIGN [2023-04-03 08:46:13,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_NOT_ARG_SIGN [2023-04-03 08:46:13,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_lock_of_NOT_ARG_SIGN [2023-04-03 08:46:13,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_lock_of_NOT_ARG_SIGN [2023-04-03 08:46:13,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_lock_of_NOT_ARG_SIGN [2023-04-03 08:46:13,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_lock_of_NOT_ARG_SIGN [2023-04-03 08:46:13,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_lock_of_NOT_ARG_SIGN [2023-04-03 08:46:13,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_lock_of_NOT_ARG_SIGN [2023-04-03 08:46:13,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_rtl8180_priv [2023-04-03 08:46:13,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_rtl8180_priv [2023-04-03 08:46:13,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_lock_of_rtl8180_priv [2023-04-03 08:46:13,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_lock_of_rtl8180_priv [2023-04-03 08:46:13,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_lock_of_rtl8180_priv [2023-04-03 08:46:13,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_lock_of_rtl8180_priv [2023-04-03 08:46:13,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_lock_of_rtl8180_priv [2023-04-03 08:46:13,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_lock_of_rtl8180_priv [2023-04-03 08:46:13,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lru_lock_of_netns_frags [2023-04-03 08:46:13,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lru_lock_of_netns_frags [2023-04-03 08:46:13,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_lru_lock_of_netns_frags [2023-04-03 08:46:13,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_lru_lock_of_netns_frags [2023-04-03 08:46:13,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_lru_lock_of_netns_frags [2023-04-03 08:46:13,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_lru_lock_of_netns_frags [2023-04-03 08:46:13,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_lru_lock_of_netns_frags [2023-04-03 08:46:13,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_lru_lock_of_netns_frags [2023-04-03 08:46:13,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_node_size_lock_of_pglist_data [2023-04-03 08:46:13,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_node_size_lock_of_pglist_data [2023-04-03 08:46:13,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_node_size_lock_of_pglist_data [2023-04-03 08:46:13,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_node_size_lock_of_pglist_data [2023-04-03 08:46:13,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_node_size_lock_of_pglist_data [2023-04-03 08:46:13,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_node_size_lock_of_pglist_data [2023-04-03 08:46:13,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_node_size_lock_of_pglist_data [2023-04-03 08:46:13,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_node_size_lock_of_pglist_data [2023-04-03 08:46:13,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_ptl [2023-04-03 08:46:13,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_ptl [2023-04-03 08:46:13,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_ptl [2023-04-03 08:46:13,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_ptl [2023-04-03 08:46:13,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_ptl [2023-04-03 08:46:13,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_ptl [2023-04-03 08:46:13,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_ptl [2023-04-03 08:46:13,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_ptl [2023-04-03 08:46:13,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_siglock_of_sighand_struct [2023-04-03 08:46:13,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_siglock_of_sighand_struct [2023-04-03 08:46:13,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_siglock_of_sighand_struct [2023-04-03 08:46:13,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_siglock_of_sighand_struct [2023-04-03 08:46:13,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_siglock_of_sighand_struct [2023-04-03 08:46:13,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_siglock_of_sighand_struct [2023-04-03 08:46:13,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_siglock_of_sighand_struct [2023-04-03 08:46:13,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_siglock_of_sighand_struct [2023-04-03 08:46:13,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_tx_global_lock_of_net_device [2023-04-03 08:46:13,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_tx_global_lock_of_net_device [2023-04-03 08:46:13,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_tx_global_lock_of_net_device [2023-04-03 08:46:13,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_tx_global_lock_of_net_device [2023-04-03 08:46:13,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_tx_global_lock_of_net_device [2023-04-03 08:46:13,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_tx_global_lock_of_net_device [2023-04-03 08:46:13,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_tx_global_lock_of_net_device [2023-04-03 08:46:13,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_tx_global_lock_of_net_device [2023-04-03 08:46:13,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-04-03 08:46:13,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2023-04-03 08:46:13,729 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-03 08:46:13,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-04-03 08:46:13,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2023-04-03 08:46:13,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-04-03 08:46:13,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-04-03 08:46:13,730 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_768 [2023-04-03 08:46:13,730 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_770 [2023-04-03 08:46:13,730 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_771 [2023-04-03 08:46:13,730 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_777 [2023-04-03 08:46:13,730 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_995 [2023-04-03 08:46:13,730 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_996 [2023-04-03 08:46:13,730 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-04-03 08:46:13,730 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2023-04-03 08:46:13,730 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2023-04-03 08:46:13,730 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2023-04-03 08:46:13,730 INFO L138 BoogieDeclarations]: Found implementation of procedure __pci_register_driver [2023-04-03 08:46:13,731 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-04-03 08:46:13,731 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-04-03 08:46:13,731 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2023-04-03 08:46:13,731 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2023-04-03 08:46:13,731 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2023-04-03 08:46:13,731 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2023-04-03 08:46:13,731 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2023-04-03 08:46:13,731 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_alloc_coherent [2023-04-03 08:46:13,731 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_free_coherent [2023-04-03 08:46:13,731 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2023-04-03 08:46:13,731 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_mapping_error [2023-04-03 08:46:13,731 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2023-04-03 08:46:13,731 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-04-03 08:46:13,731 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask [2023-04-03 08:46:13,732 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_supported [2023-04-03 08:46:13,732 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_93cx6_multiread [2023-04-03 08:46:13,732 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_93cx6_read [2023-04-03 08:46:13,732 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-04-03 08:46:13,788 INFO L138 BoogieDeclarations]: Found implementation of procedure get_random_bytes [2023-04-03 08:46:13,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_alloc_hw [2023-04-03 08:46:13,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_beacon_get_tim [2023-04-03 08:46:13,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_hw [2023-04-03 08:46:13,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_frequency_to_channel [2023-04-03 08:46:13,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_queue_stopped [2023-04-03 08:46:13,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_register_hw [2023-04-03 08:46:13,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_rts_duration [2023-04-03 08:46:13,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_rx_irqsafe [2023-04-03 08:46:13,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_stop_queue [2023-04-03 08:46:13,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_tx_status_irqsafe [2023-04-03 08:46:13,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_unregister_hw [2023-04-03 08:46:13,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_wake_queue [2023-04-03 08:46:13,789 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2023-04-03 08:46:13,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2023-04-03 08:46:13,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2023-04-03 08:46:13,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2023-04-03 08:46:13,789 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2023-04-03 08:46:13,789 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2023-04-03 08:46:13,789 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2023-04-03 08:46:13,789 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite8 [2023-04-03 08:46:13,790 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2023-04-03 08:46:13,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2023-04-03 08:46:13,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2023-04-03 08:46:13,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-04-03 08:46:13,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2023-04-03 08:46:13,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2023-04-03 08:46:13,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-04-03 08:46:13,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-04-03 08:46:13,790 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2023-04-03 08:46:13,790 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2023-04-03 08:46:13,790 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2023-04-03 08:46:13,790 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-04-03 08:46:13,790 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2023-04-03 08:46:13,790 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2023-04-03 08:46:13,790 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2023-04-03 08:46:13,790 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-04-03 08:46:13,790 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_request_regions [2023-04-03 08:46:13,791 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2023-04-03 08:46:13,791 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2023-04-03 08:46:13,791 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2023-04-03 08:46:13,791 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2023-04-03 08:46:13,791 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_try_set_mwi [2023-04-03 08:46:13,791 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2023-04-03 08:46:13,791 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-04-03 08:46:13,791 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2023-04-03 08:46:13,791 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2023-04-03 08:46:13,791 INFO L138 BoogieDeclarations]: Found implementation of procedure request_threaded_irq [2023-04-03 08:46:13,791 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2023-04-03 08:46:13,791 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2023-04-03 08:46:13,791 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2023-04-03 08:46:13,791 INFO L138 BoogieDeclarations]: Found implementation of procedure usecs_to_jiffies [2023-04-03 08:46:13,791 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-04-03 08:46:13,791 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-04-03 08:46:13,792 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-04-03 08:46:13,792 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-04-03 08:46:13,792 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-04-03 08:46:13,792 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-04-03 08:46:13,792 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2023-04-03 08:46:13,792 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-04-03 08:46:13,792 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-04-03 08:46:13,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-03 08:46:13,792 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-04-03 08:46:13,792 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-04-03 08:46:13,792 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2023-04-03 08:46:13,792 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2023-04-03 08:46:13,792 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-04-03 08:46:13,792 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2023-04-03 08:46:13,792 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-03 08:46:13,793 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2023-04-03 08:46:13,793 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2023-04-03 08:46:13,793 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2023-04-03 08:46:13,793 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_63 [2023-04-03 08:46:13,793 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_rtl8180_priv [2023-04-03 08:46:13,793 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_rtl8180_priv [2023-04-03 08:46:13,793 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2023-04-03 08:46:13,793 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_init [2023-04-03 08:46:13,793 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2023-04-03 08:46:13,793 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2023-04-03 08:46:13,793 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-04-03 08:46:13,793 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-04-03 08:46:13,793 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-04-03 08:46:13,793 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-04-03 08:46:13,793 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-04-03 08:46:13,794 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-04-03 08:46:13,794 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-04-03 08:46:13,794 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-04-03 08:46:13,794 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-04-03 08:46:13,794 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-04-03 08:46:13,794 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2023-04-03 08:46:13,794 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2023-04-03 08:46:13,794 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2023-04-03 08:46:13,794 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-04-03 08:46:13,794 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-04-03 08:46:13,794 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_60 [2023-04-03 08:46:13,794 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-04-03 08:46:13,794 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_61 [2023-04-03 08:46:13,794 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-04-03 08:46:13,794 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_64 [2023-04-03 08:46:13,794 INFO L130 BoogieDeclarations]: Found specification of procedure usecs_to_jiffies [2023-04-03 08:46:13,794 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2023-04-03 08:46:13,795 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2023-04-03 08:46:13,795 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2023-04-03 08:46:13,795 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2023-04-03 08:46:13,795 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2023-04-03 08:46:13,795 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2023-04-03 08:46:13,795 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2023-04-03 08:46:13,795 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2023-04-03 08:46:13,795 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2023-04-03 08:46:13,795 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2023-04-03 08:46:13,795 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2023-04-03 08:46:13,795 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2023-04-03 08:46:13,795 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2023-04-03 08:46:13,795 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2023-04-03 08:46:13,795 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2023-04-03 08:46:13,796 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8 [2023-04-03 08:46:13,796 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2023-04-03 08:46:13,796 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2023-04-03 08:46:13,796 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2023-04-03 08:46:13,796 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2023-04-03 08:46:13,796 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2023-04-03 08:46:13,796 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata_27 [2023-04-03 08:46:13,796 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata_28 [2023-04-03 08:46:13,796 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-04-03 08:46:13,796 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2023-04-03 08:46:13,796 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2023-04-03 08:46:13,796 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-04-03 08:46:13,796 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2023-04-03 08:46:13,796 INFO L130 BoogieDeclarations]: Found specification of procedure pci_try_set_mwi [2023-04-03 08:46:13,796 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2023-04-03 08:46:13,796 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2023-04-03 08:46:13,796 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2023-04-03 08:46:13,797 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2023-04-03 08:46:13,797 INFO L130 BoogieDeclarations]: Found specification of procedure pci_request_regions [2023-04-03 08:46:13,797 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-04-03 08:46:13,797 INFO L130 BoogieDeclarations]: Found specification of procedure __pci_register_driver [2023-04-03 08:46:13,797 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___pci_register_driver_70 [2023-04-03 08:46:13,797 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2023-04-03 08:46:13,797 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_unregister_driver_71 [2023-04-03 08:46:13,797 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-04-03 08:46:13,797 INFO L130 BoogieDeclarations]: Found specification of procedure is_device_dma_capable [2023-04-03 08:46:13,797 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-03 08:46:13,797 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2023-04-03 08:46:13,797 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2023-04-03 08:46:13,797 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_mapping_error [2023-04-03 08:46:13,797 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2023-04-03 08:46:13,797 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_alloc_coherent [2023-04-03 08:46:13,797 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_free_coherent [2023-04-03 08:46:13,797 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-04-03 08:46:13,798 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2023-04-03 08:46:13,798 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2023-04-03 08:46:13,798 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2023-04-03 08:46:13,798 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2023-04-03 08:46:13,798 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2023-04-03 08:46:13,798 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~TO~int [2023-04-03 08:46:13,798 INFO L130 BoogieDeclarations]: Found specification of procedure dma_supported [2023-04-03 08:46:13,798 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask [2023-04-03 08:46:13,798 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_coherent_mask [2023-04-03 08:46:13,798 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_coherent_gfp_flags [2023-04-03 08:46:13,798 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2023-04-03 08:46:13,798 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~gfp_t~0~X~$Pointer$~TO~$Pointer$ [2023-04-03 08:46:13,798 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2023-04-03 08:46:13,798 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-03 08:46:13,798 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~dma_addr_t~0~X~$Pointer$~TO~VOID [2023-04-03 08:46:13,798 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_coherent_mask [2023-04-03 08:46:13,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-03 08:46:13,798 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2023-04-03 08:46:13,799 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2023-04-03 08:46:13,799 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2023-04-03 08:46:13,799 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2023-04-03 08:46:13,799 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2023-04-03 08:46:13,799 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2023-04-03 08:46:13,799 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2023-04-03 08:46:13,799 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-04-03 08:46:13,799 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2023-04-03 08:46:13,799 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2023-04-03 08:46:13,799 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-04-03 08:46:13,799 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2023-04-03 08:46:13,799 INFO L130 BoogieDeclarations]: Found specification of procedure get_random_bytes [2023-04-03 08:46:13,799 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2023-04-03 08:46:13,799 INFO L130 BoogieDeclarations]: Found specification of procedure skb_peek [2023-04-03 08:46:13,799 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2023-04-03 08:46:13,799 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_head_init [2023-04-03 08:46:13,799 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2023-04-03 08:46:13,799 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-04-03 08:46:13,800 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-03 08:46:13,800 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_insert [2023-04-03 08:46:13,800 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_before [2023-04-03 08:46:13,800 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_tail [2023-04-03 08:46:13,800 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_unlink [2023-04-03 08:46:13,800 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2023-04-03 08:46:13,800 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2023-04-03 08:46:13,800 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2023-04-03 08:46:13,800 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2023-04-03 08:46:13,800 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2023-04-03 08:46:13,800 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2023-04-03 08:46:13,800 INFO L130 BoogieDeclarations]: Found specification of procedure skb_set_queue_mapping [2023-04-03 08:46:13,800 INFO L130 BoogieDeclarations]: Found specification of procedure skb_get_queue_mapping [2023-04-03 08:46:13,800 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2023-04-03 08:46:13,800 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2023-04-03 08:46:13,800 INFO L130 BoogieDeclarations]: Found specification of procedure request_threaded_irq [2023-04-03 08:46:13,800 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2023-04-03 08:46:13,801 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_65 [2023-04-03 08:46:13,801 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-04-03 08:46:13,801 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_66 [2023-04-03 08:46:13,801 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2023-04-03 08:46:13,801 INFO L130 BoogieDeclarations]: Found specification of procedure is_multicast_ether_addr [2023-04-03 08:46:13,801 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2023-04-03 08:46:13,801 INFO L130 BoogieDeclarations]: Found specification of procedure eth_random_addr [2023-04-03 08:46:13,801 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_93cx6_read [2023-04-03 08:46:13,801 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_93cx6_multiread [2023-04-03 08:46:13,801 INFO L130 BoogieDeclarations]: Found specification of procedure set_wiphy_dev [2023-04-03 08:46:13,801 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_CB [2023-04-03 08:46:13,801 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_RXCB [2023-04-03 08:46:13,801 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_768 [2023-04-03 08:46:13,801 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_770 [2023-04-03 08:46:13,801 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_771 [2023-04-03 08:46:13,801 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_777 [2023-04-03 08:46:13,801 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_tx_info_clear_status [2023-04-03 08:46:13,802 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-04-03 08:46:13,802 INFO L130 BoogieDeclarations]: Found specification of procedure SET_IEEE80211_DEV [2023-04-03 08:46:13,802 INFO L130 BoogieDeclarations]: Found specification of procedure SET_IEEE80211_PERM_ADDR [2023-04-03 08:46:13,802 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-04-03 08:46:13,802 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_tx_rate [2023-04-03 08:46:13,802 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_rts_cts_rate [2023-04-03 08:46:13,802 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_alt_retry_rate [2023-04-03 08:46:13,802 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_alloc_hw [2023-04-03 08:46:13,802 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ieee80211_alloc_hw_67 [2023-04-03 08:46:13,802 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_register_hw [2023-04-03 08:46:13,802 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_unregister_hw [2023-04-03 08:46:13,802 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_hw [2023-04-03 08:46:13,802 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ieee80211_free_hw_68 [2023-04-03 08:46:13,802 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ieee80211_free_hw_69 [2023-04-03 08:46:13,802 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_rx_irqsafe [2023-04-03 08:46:13,802 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_tx_status_irqsafe [2023-04-03 08:46:13,802 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_beacon_get_tim [2023-04-03 08:46:13,802 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_beacon_get [2023-04-03 08:46:13,803 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_rts_duration [2023-04-03 08:46:13,803 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_wake_queue [2023-04-03 08:46:13,803 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_stop_queue [2023-04-03 08:46:13,803 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_queue_stopped [2023-04-03 08:46:13,803 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_write_phy [2023-04-03 08:46:13,803 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_set_anaparam [2023-04-03 08:46:13,803 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_ioread8 [2023-04-03 08:46:13,803 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_ioread16 [2023-04-03 08:46:13,803 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_ioread32 [2023-04-03 08:46:13,803 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite8 [2023-04-03 08:46:13,803 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite16 [2023-04-03 08:46:13,803 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite32 [2023-04-03 08:46:13,803 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_detect_rf [2023-04-03 08:46:13,803 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_handle_rx [2023-04-03 08:46:13,803 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~u8~0~X~~u8~0~TO~~u8~0 [2023-04-03 08:46:13,803 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_handle_tx [2023-04-03 08:46:13,804 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_interrupt [2023-04-03 08:46:13,804 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_tx [2023-04-03 08:46:13,804 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_init_hw [2023-04-03 08:46:13,804 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-04-03 08:46:13,804 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_init_rx_ring [2023-04-03 08:46:13,804 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_free_rx_ring [2023-04-03 08:46:13,804 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_init_tx_ring [2023-04-03 08:46:13,804 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_free_tx_ring [2023-04-03 08:46:13,804 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_start [2023-04-03 08:46:13,804 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_stop [2023-04-03 08:46:13,804 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_get_tsf [2023-04-03 08:46:13,804 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_beacon_work [2023-04-03 08:46:13,804 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_add_interface [2023-04-03 08:46:13,804 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_remove_interface [2023-04-03 08:46:13,804 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_config [2023-04-03 08:46:13,804 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2023-04-03 08:46:13,805 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_bss_info_changed [2023-04-03 08:46:13,805 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_prepare_multicast [2023-04-03 08:46:13,805 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_configure_filter [2023-04-03 08:46:13,805 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_eeprom_register_read [2023-04-03 08:46:13,805 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_eeprom_register_write [2023-04-03 08:46:13,805 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_995 [2023-04-03 08:46:13,805 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_996 [2023-04-03 08:46:13,805 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_probe [2023-04-03 08:46:13,805 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_remove [2023-04-03 08:46:13,805 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_suspend [2023-04-03 08:46:13,805 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_resume [2023-04-03 08:46:13,805 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_driver_init [2023-04-03 08:46:13,805 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_driver_exit [2023-04-03 08:46:13,805 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_rtl8180_driver_exit_14_2 [2023-04-03 08:46:13,805 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_init_rtl8180_driver_init_14_9 [2023-04-03 08:46:13,805 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___pci_register_driver [2023-04-03 08:46:13,806 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_allocate_external_0 [2023-04-03 08:46:13,806 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_deregister_10_2 [2023-04-03 08:46:13,806 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_deregister_12_1 [2023-04-03 08:46:13,806 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_deregister_dummy_factory_11_14_4 [2023-04-03 08:46:13,806 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_instance_deregister_7_2 [2023-04-03 08:46:13,806 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_instance_register_7_3 [2023-04-03 08:46:13,806 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_irq_deregister_8_1 [2023-04-03 08:46:13,806 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_irq_register_11_2 [2023-04-03 08:46:13,806 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_13_2 [2023-04-03 08:46:13,806 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_9_3 [2023-04-03 08:46:13,806 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_dummy_factory_11_14_5 [2023-04-03 08:46:13,806 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_entry_EMGentry_14 [2023-04-03 08:46:13,806 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-03 08:46:13,806 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2023-04-03 08:46:13,806 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ieee80211_alloc_hw [2023-04-03 08:46:13,806 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ieee80211_free_hw [2023-04-03 08:46:13,807 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ieee80211_ieee80211_instance_0 [2023-04-03 08:46:13,807 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ieee80211_ieee80211_instance_1 [2023-04-03 08:46:13,807 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ieee80211_ieee80211_instance_2 [2023-04-03 08:46:13,807 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ieee80211_ieee80211_instance_3 [2023-04-03 08:46:13,807 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ieee80211_instance_callback_0_10 [2023-04-03 08:46:13,807 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ieee80211_instance_callback_0_18 [2023-04-03 08:46:13,807 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ieee80211_instance_callback_0_21 [2023-04-03 08:46:13,807 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ieee80211_instance_callback_0_24 [2023-04-03 08:46:13,807 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ieee80211_instance_callback_0_25 [2023-04-03 08:46:13,807 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ieee80211_instance_callback_0_28 [2023-04-03 08:46:13,807 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ieee80211_instance_callback_0_31 [2023-04-03 08:46:13,807 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ieee80211_instance_callback_0_32 [2023-04-03 08:46:13,807 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ieee80211_instance_callback_0_33 [2023-04-03 08:46:13,808 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ieee80211_instance_callback_0_34 [2023-04-03 08:46:13,808 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ieee80211_instance_callback_0_35 [2023-04-03 08:46:13,808 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ieee80211_instance_callback_0_36 [2023-04-03 08:46:13,808 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ieee80211_instance_callback_1_10 [2023-04-03 08:46:13,808 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ieee80211_instance_callback_1_18 [2023-04-03 08:46:13,808 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ieee80211_instance_callback_1_21 [2023-04-03 08:46:13,808 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ieee80211_instance_callback_1_24 [2023-04-03 08:46:13,808 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ieee80211_instance_callback_1_25 [2023-04-03 08:46:13,808 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ieee80211_instance_callback_1_28 [2023-04-03 08:46:13,808 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ieee80211_instance_callback_1_31 [2023-04-03 08:46:13,808 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ieee80211_instance_callback_1_32 [2023-04-03 08:46:13,808 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ieee80211_instance_callback_1_33 [2023-04-03 08:46:13,808 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ieee80211_instance_callback_1_34 [2023-04-03 08:46:13,808 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ieee80211_instance_callback_1_35 [2023-04-03 08:46:13,808 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ieee80211_instance_callback_1_36 [2023-04-03 08:46:13,808 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ieee80211_instance_callback_2_10 [2023-04-03 08:46:13,809 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ieee80211_instance_callback_2_18 [2023-04-03 08:46:13,809 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ieee80211_instance_callback_2_21 [2023-04-03 08:46:13,809 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ieee80211_instance_callback_2_24 [2023-04-03 08:46:13,809 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ieee80211_instance_callback_2_25 [2023-04-03 08:46:13,809 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ieee80211_instance_callback_2_28 [2023-04-03 08:46:13,809 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ieee80211_instance_callback_2_31 [2023-04-03 08:46:13,809 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ieee80211_instance_callback_2_32 [2023-04-03 08:46:13,809 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ieee80211_instance_callback_2_33 [2023-04-03 08:46:13,809 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ieee80211_instance_callback_2_34 [2023-04-03 08:46:13,809 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ieee80211_instance_callback_2_35 [2023-04-03 08:46:13,809 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ieee80211_instance_callback_2_36 [2023-04-03 08:46:13,809 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ieee80211_instance_callback_3_10 [2023-04-03 08:46:13,809 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ieee80211_instance_callback_3_18 [2023-04-03 08:46:13,809 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ieee80211_instance_callback_3_21 [2023-04-03 08:46:13,809 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ieee80211_instance_callback_3_24 [2023-04-03 08:46:13,809 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ieee80211_instance_callback_3_25 [2023-04-03 08:46:13,810 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ieee80211_instance_callback_3_28 [2023-04-03 08:46:13,810 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ieee80211_instance_callback_3_31 [2023-04-03 08:46:13,810 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ieee80211_instance_callback_3_32 [2023-04-03 08:46:13,810 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ieee80211_instance_callback_3_33 [2023-04-03 08:46:13,810 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ieee80211_instance_callback_3_34 [2023-04-03 08:46:13,810 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ieee80211_instance_callback_3_35 [2023-04-03 08:46:13,810 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ieee80211_instance_callback_3_36 [2023-04-03 08:46:13,810 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ieee80211_instance_resume_0_12 [2023-04-03 08:46:13,810 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ieee80211_instance_resume_1_12 [2023-04-03 08:46:13,810 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ieee80211_instance_resume_2_12 [2023-04-03 08:46:13,810 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ieee80211_instance_resume_3_12 [2023-04-03 08:46:13,810 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ieee80211_instance_start_0_6 [2023-04-03 08:46:13,810 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ieee80211_instance_start_1_6 [2023-04-03 08:46:13,810 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ieee80211_instance_start_2_6 [2023-04-03 08:46:13,810 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ieee80211_instance_start_3_6 [2023-04-03 08:46:13,810 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ieee80211_instance_stop_0_8 [2023-04-03 08:46:13,811 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ieee80211_instance_stop_1_8 [2023-04-03 08:46:13,811 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ieee80211_instance_stop_2_8 [2023-04-03 08:46:13,811 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ieee80211_instance_stop_3_8 [2023-04-03 08:46:13,811 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_external_data [2023-04-03 08:46:13,811 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_instance_handler_4_5 [2023-04-03 08:46:13,811 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_instance_thread_4_3 [2023-04-03 08:46:13,811 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_4 [2023-04-03 08:46:13,811 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_instance_probe_5_17 [2023-04-03 08:46:13,811 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_instance_release_5_2 [2023-04-03 08:46:13,811 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_instance_resume_5_5 [2023-04-03 08:46:13,811 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_instance_resume_early_5_6 [2023-04-03 08:46:13,811 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_instance_shutdown_5_3 [2023-04-03 08:46:13,811 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_instance_suspend_5_8 [2023-04-03 08:46:13,811 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_instance_suspend_late_5_7 [2023-04-03 08:46:13,811 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_pci_instance_5 [2023-04-03 08:46:13,811 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_unregister_driver [2023-04-03 08:46:13,812 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2023-04-03 08:46:13,812 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-04-03 08:46:13,812 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-04-03 08:46:13,812 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_1 [2023-04-03 08:46:13,812 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_15 [2023-04-03 08:46:13,812 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_1 [2023-04-03 08:46:13,812 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_15 [2023-04-03 08:46:13,812 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_2_1 [2023-04-03 08:46:13,812 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_2_15 [2023-04-03 08:46:13,812 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_3_1 [2023-04-03 08:46:13,812 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_3_15 [2023-04-03 08:46:13,812 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_4_1 [2023-04-03 08:46:13,812 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_4_6 [2023-04-03 08:46:13,812 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_5_11 [2023-04-03 08:46:13,812 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_5_20 [2023-04-03 08:46:13,812 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_6_1 [2023-04-03 08:46:13,813 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_6_3 [2023-04-03 08:46:13,813 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_7_1 [2023-04-03 08:46:13,813 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_7_4 [2023-04-03 08:46:13,813 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_dummy_factory_7 [2023-04-03 08:46:13,813 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_instance_callback_6_2 [2023-04-03 08:46:13,813 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_timer_instance_6 [2023-04-03 08:46:13,813 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-04-03 08:46:13,813 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-04-03 08:46:13,813 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2023-04-03 08:46:13,813 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-04-03 08:46:13,813 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2023-04-03 08:46:13,813 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_frequency_to_channel [2023-04-03 08:46:13,813 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_write_phy_ofdm [2023-04-03 08:46:13,813 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_write_phy_cck [2023-04-03 08:46:13,813 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_write [2023-04-03 08:46:13,813 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_read [2023-04-03 08:46:13,813 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_set_tx_power [2023-04-03 08:46:13,814 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_init [2023-04-03 08:46:13,814 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225z2_rf_set_tx_power [2023-04-03 08:46:13,814 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225z2_rf_init [2023-04-03 08:46:13,814 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_stop [2023-04-03 08:46:13,814 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_set_channel [2023-04-03 08:46:13,814 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_conf_erp [2023-04-03 08:46:13,814 INFO L130 BoogieDeclarations]: Found specification of procedure write_sa2400 [2023-04-03 08:46:13,814 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_write_phy_antenna [2023-04-03 08:46:13,814 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_calc_rssi [2023-04-03 08:46:13,814 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_set_channel [2023-04-03 08:46:13,814 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_stop [2023-04-03 08:46:13,814 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_init [2023-04-03 08:46:13,814 INFO L130 BoogieDeclarations]: Found specification of procedure write_max2820 [2023-04-03 08:46:13,814 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_write_phy_antenna [2023-04-03 08:46:13,814 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_calc_rssi [2023-04-03 08:46:13,814 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_set_channel [2023-04-03 08:46:13,814 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_stop [2023-04-03 08:46:13,814 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_init [2023-04-03 08:46:13,815 INFO L130 BoogieDeclarations]: Found specification of procedure write_grf5101 [2023-04-03 08:46:13,815 INFO L130 BoogieDeclarations]: Found specification of procedure grf5101_write_phy_antenna [2023-04-03 08:46:13,815 INFO L130 BoogieDeclarations]: Found specification of procedure grf5101_rf_calc_rssi [2023-04-03 08:46:13,815 INFO L130 BoogieDeclarations]: Found specification of procedure grf5101_rf_set_channel [2023-04-03 08:46:13,815 INFO L130 BoogieDeclarations]: Found specification of procedure grf5101_rf_stop [2023-04-03 08:46:13,815 INFO L130 BoogieDeclarations]: Found specification of procedure grf5101_rf_init [2023-04-03 08:46:13,815 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xzalloc [2023-04-03 08:46:13,815 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-04-03 08:46:13,815 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spi_alloc_master [2023-04-03 08:46:13,815 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-04-03 08:46:13,815 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2023-04-03 08:46:13,815 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2023-04-03 08:46:13,815 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2023-04-03 08:46:13,815 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-04-03 08:46:13,815 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-04-03 08:46:13,815 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2023-04-03 08:46:13,816 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kzalloc [2023-04-03 08:46:13,816 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2023-04-03 08:46:13,816 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2023-04-03 08:46:13,816 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2023-04-03 08:46:13,816 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-03 08:46:13,816 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2023-04-03 08:46:13,816 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-03 08:46:13,816 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-03 08:46:13,816 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-04-03 08:46:13,816 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2023-04-03 08:46:13,816 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_negative [2023-04-03 08:46:13,816 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_nonpositive [2023-04-03 08:46:13,816 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-03 08:46:13,816 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2023-04-03 08:46:13,816 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_create [2023-04-03 08:46:13,816 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_create_N [2023-04-03 08:46:13,816 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_join [2023-04-03 08:46:13,817 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_join_N [2023-04-03 08:46:13,817 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-04-03 08:46:13,817 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2023-04-03 08:46:13,817 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-04-03 08:46:13,817 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-04-03 08:46:13,817 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock__xmit_lock_of_netdev_queue [2023-04-03 08:46:13,817 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock__xmit_lock_of_netdev_queue [2023-04-03 08:46:13,817 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock__xmit_lock_of_netdev_queue [2023-04-03 08:46:13,817 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait__xmit_lock_of_netdev_queue [2023-04-03 08:46:13,817 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked__xmit_lock_of_netdev_queue [2023-04-03 08:46:13,817 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock__xmit_lock_of_netdev_queue [2023-04-03 08:46:13,817 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended__xmit_lock_of_netdev_queue [2023-04-03 08:46:13,817 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock__xmit_lock_of_netdev_queue [2023-04-03 08:46:13,817 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_addr_list_lock_of_net_device [2023-04-03 08:46:13,817 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_addr_list_lock_of_net_device [2023-04-03 08:46:13,817 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_addr_list_lock_of_net_device [2023-04-03 08:46:13,818 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_addr_list_lock_of_net_device [2023-04-03 08:46:13,818 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_addr_list_lock_of_net_device [2023-04-03 08:46:13,818 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_addr_list_lock_of_net_device [2023-04-03 08:46:13,818 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_addr_list_lock_of_net_device [2023-04-03 08:46:13,818 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_addr_list_lock_of_net_device [2023-04-03 08:46:13,818 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_alloc_lock_of_task_struct [2023-04-03 08:46:13,818 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_alloc_lock_of_task_struct [2023-04-03 08:46:13,818 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_alloc_lock_of_task_struct [2023-04-03 08:46:13,818 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_alloc_lock_of_task_struct [2023-04-03 08:46:13,818 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_alloc_lock_of_task_struct [2023-04-03 08:46:13,818 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_alloc_lock_of_task_struct [2023-04-03 08:46:13,818 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_alloc_lock_of_task_struct [2023-04-03 08:46:13,818 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_alloc_lock_of_task_struct [2023-04-03 08:46:13,818 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_i_lock_of_inode [2023-04-03 08:46:13,818 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_i_lock_of_inode [2023-04-03 08:46:13,818 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_i_lock_of_inode [2023-04-03 08:46:13,818 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_i_lock_of_inode [2023-04-03 08:46:13,818 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_i_lock_of_inode [2023-04-03 08:46:13,818 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_i_lock_of_inode [2023-04-03 08:46:13,819 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_i_lock_of_inode [2023-04-03 08:46:13,819 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_i_lock_of_inode [2023-04-03 08:46:13,819 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock [2023-04-03 08:46:13,819 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock [2023-04-03 08:46:13,819 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_lock [2023-04-03 08:46:13,819 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_lock [2023-04-03 08:46:13,819 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_lock [2023-04-03 08:46:13,819 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_lock [2023-04-03 08:46:13,819 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_lock [2023-04-03 08:46:13,819 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_lock [2023-04-03 08:46:13,819 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_NOT_ARG_SIGN [2023-04-03 08:46:13,819 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_NOT_ARG_SIGN [2023-04-03 08:46:13,819 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_lock_of_NOT_ARG_SIGN [2023-04-03 08:46:13,819 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_lock_of_NOT_ARG_SIGN [2023-04-03 08:46:13,819 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_lock_of_NOT_ARG_SIGN [2023-04-03 08:46:13,819 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_lock_of_NOT_ARG_SIGN [2023-04-03 08:46:13,819 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_lock_of_NOT_ARG_SIGN [2023-04-03 08:46:13,820 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_lock_of_NOT_ARG_SIGN [2023-04-03 08:46:13,820 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_lock_of_rtl8180_priv [2023-04-03 08:46:13,820 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_lock_of_rtl8180_priv [2023-04-03 08:46:13,820 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_lock_of_rtl8180_priv [2023-04-03 08:46:13,820 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_lock_of_rtl8180_priv [2023-04-03 08:46:13,820 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_lock_of_rtl8180_priv [2023-04-03 08:46:13,820 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_lock_of_rtl8180_priv [2023-04-03 08:46:13,820 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lru_lock_of_netns_frags [2023-04-03 08:46:13,820 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lru_lock_of_netns_frags [2023-04-03 08:46:13,820 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_lru_lock_of_netns_frags [2023-04-03 08:46:13,820 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_lru_lock_of_netns_frags [2023-04-03 08:46:13,820 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_lru_lock_of_netns_frags [2023-04-03 08:46:13,820 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_lru_lock_of_netns_frags [2023-04-03 08:46:13,820 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_lru_lock_of_netns_frags [2023-04-03 08:46:13,820 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_lru_lock_of_netns_frags [2023-04-03 08:46:13,820 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_node_size_lock_of_pglist_data [2023-04-03 08:46:13,820 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_node_size_lock_of_pglist_data [2023-04-03 08:46:13,820 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_node_size_lock_of_pglist_data [2023-04-03 08:46:13,821 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_node_size_lock_of_pglist_data [2023-04-03 08:46:13,821 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_node_size_lock_of_pglist_data [2023-04-03 08:46:13,821 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_node_size_lock_of_pglist_data [2023-04-03 08:46:13,821 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_node_size_lock_of_pglist_data [2023-04-03 08:46:13,821 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_node_size_lock_of_pglist_data [2023-04-03 08:46:13,821 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_ptl [2023-04-03 08:46:13,821 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_ptl [2023-04-03 08:46:13,821 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_ptl [2023-04-03 08:46:13,821 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_ptl [2023-04-03 08:46:13,821 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_ptl [2023-04-03 08:46:13,821 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_ptl [2023-04-03 08:46:13,821 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_ptl [2023-04-03 08:46:13,821 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_ptl [2023-04-03 08:46:13,821 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_siglock_of_sighand_struct [2023-04-03 08:46:13,821 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_siglock_of_sighand_struct [2023-04-03 08:46:13,821 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_siglock_of_sighand_struct [2023-04-03 08:46:13,821 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_siglock_of_sighand_struct [2023-04-03 08:46:13,821 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_siglock_of_sighand_struct [2023-04-03 08:46:13,822 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_siglock_of_sighand_struct [2023-04-03 08:46:13,822 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_siglock_of_sighand_struct [2023-04-03 08:46:13,822 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_siglock_of_sighand_struct [2023-04-03 08:46:13,822 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_tx_global_lock_of_net_device [2023-04-03 08:46:13,822 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_tx_global_lock_of_net_device [2023-04-03 08:46:13,822 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_tx_global_lock_of_net_device [2023-04-03 08:46:13,822 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_tx_global_lock_of_net_device [2023-04-03 08:46:13,822 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_tx_global_lock_of_net_device [2023-04-03 08:46:13,822 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_tx_global_lock_of_net_device [2023-04-03 08:46:13,822 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_tx_global_lock_of_net_device [2023-04-03 08:46:13,822 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_tx_global_lock_of_net_device [2023-04-03 08:46:13,822 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2023-04-03 08:46:13,822 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-03 08:46:13,822 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-03 08:46:13,822 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2023-04-03 08:46:13,822 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2023-04-03 08:46:13,824 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-03 08:46:13,824 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2023-04-03 08:46:13,824 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2023-04-03 08:46:13,824 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2023-04-03 08:46:13,824 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-04-03 08:46:13,824 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-03 08:46:13,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-03 08:46:13,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-04-03 08:46:13,824 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-03 08:46:13,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-04-03 08:46:13,824 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-04-03 08:46:13,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-04-03 08:46:13,824 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-04-03 08:46:14,877 INFO L236 CfgBuilder]: Building ICFG [2023-04-03 08:46:14,884 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-03 08:46:16,697 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint mainFINAL: assume true; [2023-04-03 08:46:17,401 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-04-03 08:46:25,121 INFO L277 CfgBuilder]: Performing block encoding [2023-04-03 08:46:29,924 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-03 08:46:29,925 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-04-03 08:46:29,935 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 08:46:29 BoogieIcfgContainer [2023-04-03 08:46:29,935 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-03 08:46:29,939 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-03 08:46:29,939 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-03 08:46:29,942 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-03 08:46:29,942 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.04 08:46:08" (1/3) ... [2023-04-03 08:46:29,942 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3cbb7fb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 08:46:29, skipping insertion in model container [2023-04-03 08:46:29,943 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 08:46:13" (2/3) ... [2023-04-03 08:46:29,943 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3cbb7fb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 08:46:29, skipping insertion in model container [2023-04-03 08:46:29,943 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 08:46:29" (3/3) ... [2023-04-03 08:46:29,944 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i [2023-04-03 08:46:29,963 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-03 08:46:29,963 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2023-04-03 08:46:30,094 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-03 08:46:30,102 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;@4ca7eef7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-03 08:46:30,103 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-04-03 08:46:30,120 INFO L276 IsEmpty]: Start isEmpty. Operand has 3827 states, 1802 states have (on average 1.183684794672586) internal successors, (2133), 1874 states have internal predecessors, (2133), 1543 states have call successors, (1543), 377 states have call predecessors, (1543), 375 states have return successors, (1534), 1498 states have call predecessors, (1534), 1534 states have call successors, (1534) [2023-04-03 08:46:30,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 397 [2023-04-03 08:46:30,167 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 08:46:30,168 INFO L195 NwaCegarLoop]: trace histogram [37, 36, 36, 36, 36, 36, 36, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:46:30,169 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 08:46:30,174 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 08:46:30,174 INFO L85 PathProgramCache]: Analyzing trace with hash -1115052757, now seen corresponding path program 1 times [2023-04-03 08:46:30,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 08:46:30,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [265705922] [2023-04-03 08:46:30,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 08:46:30,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 08:46:30,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 08:46:32,095 INFO L134 CoverageAnalysis]: Checked inductivity of 5112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5112 trivial. 0 not checked. [2023-04-03 08:46:32,095 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 08:46:32,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [265705922] [2023-04-03 08:46:32,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [265705922] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 08:46:32,096 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 08:46:32,096 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 08:46:32,098 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [277417400] [2023-04-03 08:46:32,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 08:46:32,104 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 08:46:32,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 08:46:32,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 08:46:32,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 08:46:32,138 INFO L87 Difference]: Start difference. First operand has 3827 states, 1802 states have (on average 1.183684794672586) internal successors, (2133), 1874 states have internal predecessors, (2133), 1543 states have call successors, (1543), 377 states have call predecessors, (1543), 375 states have return successors, (1534), 1498 states have call predecessors, (1534), 1534 states have call successors, (1534) Second operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (47), 3 states have call predecessors, (47), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2023-04-03 08:46:36,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 08:46:36,612 INFO L93 Difference]: Finished difference Result 10331 states and 14647 transitions. [2023-04-03 08:46:36,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 08:46:36,615 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (47), 3 states have call predecessors, (47), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) Word has length 396 [2023-04-03 08:46:36,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 08:46:36,693 INFO L225 Difference]: With dead ends: 10331 [2023-04-03 08:46:36,693 INFO L226 Difference]: Without dead ends: 6856 [2023-04-03 08:46:36,951 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 08:46:36,954 INFO L413 NwaCegarLoop]: 4547 mSDtfsCounter, 4730 mSDsluCounter, 4472 mSDsCounter, 0 mSdLazyCounter, 885 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4730 SdHoareTripleChecker+Valid, 9019 SdHoareTripleChecker+Invalid, 892 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 885 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2023-04-03 08:46:36,955 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4730 Valid, 9019 Invalid, 892 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 885 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2023-04-03 08:46:36,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6856 states. [2023-04-03 08:46:37,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6856 to 6852. [2023-04-03 08:46:37,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6852 states, 3259 states have (on average 1.1930039889536668) internal successors, (3888), 3394 states have internal predecessors, (3888), 2869 states have call successors, (2869), 724 states have call predecessors, (2869), 721 states have return successors, (2864), 2792 states have call predecessors, (2864), 2864 states have call successors, (2864) [2023-04-03 08:46:37,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6852 states to 6852 states and 9621 transitions. [2023-04-03 08:46:37,592 INFO L78 Accepts]: Start accepts. Automaton has 6852 states and 9621 transitions. Word has length 396 [2023-04-03 08:46:37,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 08:46:37,595 INFO L495 AbstractCegarLoop]: Abstraction has 6852 states and 9621 transitions. [2023-04-03 08:46:37,596 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (47), 3 states have call predecessors, (47), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2023-04-03 08:46:37,596 INFO L276 IsEmpty]: Start isEmpty. Operand 6852 states and 9621 transitions. [2023-04-03 08:46:37,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 404 [2023-04-03 08:46:37,605 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 08:46:37,606 INFO L195 NwaCegarLoop]: trace histogram [37, 36, 36, 36, 36, 36, 36, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:46:37,606 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-03 08:46:37,606 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 08:46:37,607 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 08:46:37,607 INFO L85 PathProgramCache]: Analyzing trace with hash 1003476366, now seen corresponding path program 1 times [2023-04-03 08:46:37,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 08:46:37,607 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [291872482] [2023-04-03 08:46:37,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 08:46:37,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 08:46:37,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 08:46:38,620 INFO L134 CoverageAnalysis]: Checked inductivity of 5112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5112 trivial. 0 not checked. [2023-04-03 08:46:38,621 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 08:46:38,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [291872482] [2023-04-03 08:46:38,621 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [291872482] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 08:46:38,621 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 08:46:38,621 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 08:46:38,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1008487179] [2023-04-03 08:46:38,622 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 08:46:38,623 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 08:46:38,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 08:46:38,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 08:46:38,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 08:46:38,625 INFO L87 Difference]: Start difference. First operand 6852 states and 9621 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 3 states have call successors, (50), 3 states have call predecessors, (50), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2023-04-03 08:46:41,390 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.94s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 08:46:44,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 08:46:44,969 INFO L93 Difference]: Finished difference Result 19982 states and 28227 transitions. [2023-04-03 08:46:44,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 08:46:44,970 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 3 states have call successors, (50), 3 states have call predecessors, (50), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) Word has length 403 [2023-04-03 08:46:44,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 08:46:45,127 INFO L225 Difference]: With dead ends: 19982 [2023-04-03 08:46:45,127 INFO L226 Difference]: Without dead ends: 13216 [2023-04-03 08:46:45,201 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 08:46:45,202 INFO L413 NwaCegarLoop]: 4565 mSDtfsCounter, 4608 mSDsluCounter, 4484 mSDsCounter, 0 mSdLazyCounter, 879 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4608 SdHoareTripleChecker+Valid, 9049 SdHoareTripleChecker+Invalid, 885 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 879 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2023-04-03 08:46:45,202 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4608 Valid, 9049 Invalid, 885 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 879 Invalid, 0 Unknown, 0 Unchecked, 5.6s Time] [2023-04-03 08:46:45,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13216 states. [2023-04-03 08:46:46,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13216 to 13175. [2023-04-03 08:46:46,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13175 states, 6241 states have (on average 1.192757570902099) internal successors, (7444), 6490 states have internal predecessors, (7444), 5556 states have call successors, (5556), 1387 states have call predecessors, (5556), 1375 states have return successors, (5663), 5392 states have call predecessors, (5663), 5551 states have call successors, (5663) [2023-04-03 08:46:46,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13175 states to 13175 states and 18663 transitions. [2023-04-03 08:46:46,363 INFO L78 Accepts]: Start accepts. Automaton has 13175 states and 18663 transitions. Word has length 403 [2023-04-03 08:46:46,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 08:46:46,365 INFO L495 AbstractCegarLoop]: Abstraction has 13175 states and 18663 transitions. [2023-04-03 08:46:46,366 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 3 states have call successors, (50), 3 states have call predecessors, (50), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2023-04-03 08:46:46,366 INFO L276 IsEmpty]: Start isEmpty. Operand 13175 states and 18663 transitions. [2023-04-03 08:46:46,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 465 [2023-04-03 08:46:46,398 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 08:46:46,406 INFO L195 NwaCegarLoop]: trace histogram [40, 36, 36, 36, 36, 36, 36, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 08:46:46,408 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-03 08:46:46,408 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 08:46:46,409 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 08:46:46,409 INFO L85 PathProgramCache]: Analyzing trace with hash -222873056, now seen corresponding path program 1 times [2023-04-03 08:46:46,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 08:46:46,412 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1595433064] [2023-04-03 08:46:46,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 08:46:46,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 08:46:46,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 08:46:47,670 INFO L134 CoverageAnalysis]: Checked inductivity of 5369 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 5362 trivial. 0 not checked. [2023-04-03 08:46:47,671 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 08:46:47,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1595433064] [2023-04-03 08:46:47,671 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1595433064] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 08:46:47,671 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 08:46:47,671 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 08:46:47,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1550022072] [2023-04-03 08:46:47,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 08:46:47,672 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 08:46:47,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 08:46:47,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 08:46:47,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 08:46:47,674 INFO L87 Difference]: Start difference. First operand 13175 states and 18663 transitions. Second operand has 5 states, 5 states have (on average 17.8) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (60), 3 states have call predecessors, (60), 2 states have return successors, (56), 2 states have call predecessors, (56), 2 states have call successors, (56) [2023-04-03 08:46:50,017 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 08:46:52,027 WARN L539 Checker$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 08:46:53,560 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 08:46:56,400 WARN L539 Checker$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 08:46:57,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 08:46:57,925 INFO L93 Difference]: Finished difference Result 13181 states and 18668 transitions. [2023-04-03 08:46:57,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 08:46:57,925 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.8) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (60), 3 states have call predecessors, (60), 2 states have return successors, (56), 2 states have call predecessors, (56), 2 states have call successors, (56) Word has length 464 [2023-04-03 08:46:57,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 08:46:58,043 INFO L225 Difference]: With dead ends: 13181 [2023-04-03 08:46:58,043 INFO L226 Difference]: Without dead ends: 13179 [2023-04-03 08:46:58,059 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 08:46:58,060 INFO L413 NwaCegarLoop]: 4512 mSDtfsCounter, 4924 mSDsluCounter, 9012 mSDsCounter, 0 mSdLazyCounter, 1315 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4935 SdHoareTripleChecker+Valid, 13524 SdHoareTripleChecker+Invalid, 1319 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1315 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.7s IncrementalHoareTripleChecker+Time [2023-04-03 08:46:58,061 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4935 Valid, 13524 Invalid, 1319 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1315 Invalid, 3 Unknown, 0 Unchecked, 9.7s Time] [2023-04-03 08:46:58,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13179 states. [2023-04-03 08:46:58,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13179 to 13179. [2023-04-03 08:46:59,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13179 states, 6244 states have (on average 1.1926649583600257) internal successors, (7447), 6493 states have internal predecessors, (7447), 5556 states have call successors, (5556), 1388 states have call predecessors, (5556), 1376 states have return successors, (5663), 5392 states have call predecessors, (5663), 5551 states have call successors, (5663) [2023-04-03 08:46:59,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13179 states to 13179 states and 18666 transitions. [2023-04-03 08:46:59,099 INFO L78 Accepts]: Start accepts. Automaton has 13179 states and 18666 transitions. Word has length 464 [2023-04-03 08:46:59,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 08:46:59,100 INFO L495 AbstractCegarLoop]: Abstraction has 13179 states and 18666 transitions. [2023-04-03 08:46:59,100 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.8) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (60), 3 states have call predecessors, (60), 2 states have return successors, (56), 2 states have call predecessors, (56), 2 states have call successors, (56) [2023-04-03 08:46:59,101 INFO L276 IsEmpty]: Start isEmpty. Operand 13179 states and 18666 transitions. [2023-04-03 08:46:59,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 470 [2023-04-03 08:46:59,118 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 08:46:59,118 INFO L195 NwaCegarLoop]: trace histogram [40, 36, 36, 36, 36, 36, 36, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 08:46:59,118 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-03 08:46:59,119 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 08:46:59,120 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 08:46:59,120 INFO L85 PathProgramCache]: Analyzing trace with hash -915848972, now seen corresponding path program 1 times [2023-04-03 08:46:59,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 08:46:59,120 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [948957829] [2023-04-03 08:46:59,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 08:46:59,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 08:46:59,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 08:47:00,230 INFO L134 CoverageAnalysis]: Checked inductivity of 5371 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5362 trivial. 0 not checked. [2023-04-03 08:47:00,231 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 08:47:00,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [948957829] [2023-04-03 08:47:00,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [948957829] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 08:47:00,231 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 08:47:00,231 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 08:47:00,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [263101662] [2023-04-03 08:47:00,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 08:47:00,233 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 08:47:00,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 08:47:00,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 08:47:00,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 08:47:00,234 INFO L87 Difference]: Start difference. First operand 13179 states and 18666 transitions. Second operand has 5 states, 5 states have (on average 18.4) internal successors, (92), 4 states have internal predecessors, (92), 2 states have call successors, (61), 3 states have call predecessors, (61), 2 states have return successors, (57), 2 states have call predecessors, (57), 2 states have call successors, (57) [2023-04-03 08:47:04,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 08:47:04,948 INFO L93 Difference]: Finished difference Result 13185 states and 18671 transitions. [2023-04-03 08:47:04,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 08:47:04,948 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.4) internal successors, (92), 4 states have internal predecessors, (92), 2 states have call successors, (61), 3 states have call predecessors, (61), 2 states have return successors, (57), 2 states have call predecessors, (57), 2 states have call successors, (57) Word has length 469 [2023-04-03 08:47:04,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 08:47:05,045 INFO L225 Difference]: With dead ends: 13185 [2023-04-03 08:47:05,045 INFO L226 Difference]: Without dead ends: 13183 [2023-04-03 08:47:05,063 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 08:47:05,066 INFO L413 NwaCegarLoop]: 4515 mSDtfsCounter, 4919 mSDsluCounter, 9012 mSDsCounter, 0 mSdLazyCounter, 1318 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4929 SdHoareTripleChecker+Valid, 13527 SdHoareTripleChecker+Invalid, 1319 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1318 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2023-04-03 08:47:05,067 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4929 Valid, 13527 Invalid, 1319 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1318 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2023-04-03 08:47:05,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13183 states. [2023-04-03 08:47:06,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13183 to 13183. [2023-04-03 08:47:06,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13183 states, 6247 states have (on average 1.192572434768689) internal successors, (7450), 6496 states have internal predecessors, (7450), 5556 states have call successors, (5556), 1389 states have call predecessors, (5556), 1377 states have return successors, (5663), 5392 states have call predecessors, (5663), 5551 states have call successors, (5663) [2023-04-03 08:47:06,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13183 states to 13183 states and 18669 transitions. [2023-04-03 08:47:06,127 INFO L78 Accepts]: Start accepts. Automaton has 13183 states and 18669 transitions. Word has length 469 [2023-04-03 08:47:06,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 08:47:06,129 INFO L495 AbstractCegarLoop]: Abstraction has 13183 states and 18669 transitions. [2023-04-03 08:47:06,130 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.4) internal successors, (92), 4 states have internal predecessors, (92), 2 states have call successors, (61), 3 states have call predecessors, (61), 2 states have return successors, (57), 2 states have call predecessors, (57), 2 states have call successors, (57) [2023-04-03 08:47:06,130 INFO L276 IsEmpty]: Start isEmpty. Operand 13183 states and 18669 transitions. [2023-04-03 08:47:06,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 475 [2023-04-03 08:47:06,143 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 08:47:06,143 INFO L195 NwaCegarLoop]: trace histogram [40, 36, 36, 36, 36, 36, 36, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 08:47:06,143 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-03 08:47:06,143 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 08:47:06,144 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 08:47:06,144 INFO L85 PathProgramCache]: Analyzing trace with hash -118786464, now seen corresponding path program 1 times [2023-04-03 08:47:06,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 08:47:06,144 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1416624860] [2023-04-03 08:47:06,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 08:47:06,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 08:47:06,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 08:47:07,238 INFO L134 CoverageAnalysis]: Checked inductivity of 5377 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 5366 trivial. 0 not checked. [2023-04-03 08:47:07,238 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 08:47:07,238 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1416624860] [2023-04-03 08:47:07,239 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1416624860] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 08:47:07,239 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 08:47:07,239 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 08:47:07,239 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1091123010] [2023-04-03 08:47:07,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 08:47:07,240 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 08:47:07,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 08:47:07,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 08:47:07,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 08:47:07,241 INFO L87 Difference]: Start difference. First operand 13183 states and 18669 transitions. Second operand has 5 states, 5 states have (on average 18.4) internal successors, (92), 4 states have internal predecessors, (92), 2 states have call successors, (62), 3 states have call predecessors, (62), 2 states have return successors, (58), 2 states have call predecessors, (58), 2 states have call successors, (58) [2023-04-03 08:47:11,022 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 08:47:12,865 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 08:47:14,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 08:47:14,195 INFO L93 Difference]: Finished difference Result 13189 states and 18674 transitions. [2023-04-03 08:47:14,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 08:47:14,196 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.4) internal successors, (92), 4 states have internal predecessors, (92), 2 states have call successors, (62), 3 states have call predecessors, (62), 2 states have return successors, (58), 2 states have call predecessors, (58), 2 states have call successors, (58) Word has length 474 [2023-04-03 08:47:14,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 08:47:14,303 INFO L225 Difference]: With dead ends: 13189 [2023-04-03 08:47:14,303 INFO L226 Difference]: Without dead ends: 13187 [2023-04-03 08:47:14,323 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 08:47:14,324 INFO L413 NwaCegarLoop]: 4515 mSDtfsCounter, 4919 mSDsluCounter, 9012 mSDsCounter, 0 mSdLazyCounter, 1318 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4928 SdHoareTripleChecker+Valid, 13527 SdHoareTripleChecker+Invalid, 1319 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1318 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2023-04-03 08:47:14,324 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4928 Valid, 13527 Invalid, 1319 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1318 Invalid, 0 Unknown, 0 Unchecked, 6.4s Time] [2023-04-03 08:47:14,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13187 states. [2023-04-03 08:47:15,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13187 to 13187. [2023-04-03 08:47:15,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13187 states, 6250 states have (on average 1.19248) internal successors, (7453), 6499 states have internal predecessors, (7453), 5556 states have call successors, (5556), 1390 states have call predecessors, (5556), 1378 states have return successors, (5663), 5392 states have call predecessors, (5663), 5551 states have call successors, (5663) [2023-04-03 08:47:15,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13187 states to 13187 states and 18672 transitions. [2023-04-03 08:47:15,422 INFO L78 Accepts]: Start accepts. Automaton has 13187 states and 18672 transitions. Word has length 474 [2023-04-03 08:47:15,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 08:47:15,424 INFO L495 AbstractCegarLoop]: Abstraction has 13187 states and 18672 transitions. [2023-04-03 08:47:15,424 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.4) internal successors, (92), 4 states have internal predecessors, (92), 2 states have call successors, (62), 3 states have call predecessors, (62), 2 states have return successors, (58), 2 states have call predecessors, (58), 2 states have call successors, (58) [2023-04-03 08:47:15,424 INFO L276 IsEmpty]: Start isEmpty. Operand 13187 states and 18672 transitions. [2023-04-03 08:47:15,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 480 [2023-04-03 08:47:15,439 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 08:47:15,439 INFO L195 NwaCegarLoop]: trace histogram [40, 36, 36, 36, 36, 36, 36, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 08:47:15,439 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-04-03 08:47:15,439 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 08:47:15,440 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 08:47:15,440 INFO L85 PathProgramCache]: Analyzing trace with hash 1407900724, now seen corresponding path program 1 times [2023-04-03 08:47:15,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 08:47:15,440 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [507806232] [2023-04-03 08:47:15,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 08:47:15,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 08:47:15,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 08:47:16,539 INFO L134 CoverageAnalysis]: Checked inductivity of 5387 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 5374 trivial. 0 not checked. [2023-04-03 08:47:16,539 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 08:47:16,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [507806232] [2023-04-03 08:47:16,540 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [507806232] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 08:47:16,540 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 08:47:16,540 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 08:47:16,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1974732810] [2023-04-03 08:47:16,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 08:47:16,541 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 08:47:16,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 08:47:16,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 08:47:16,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 08:47:16,542 INFO L87 Difference]: Start difference. First operand 13187 states and 18672 transitions. Second operand has 5 states, 5 states have (on average 18.4) internal successors, (92), 4 states have internal predecessors, (92), 2 states have call successors, (63), 3 states have call predecessors, (63), 2 states have return successors, (59), 2 states have call predecessors, (59), 2 states have call successors, (59) [2023-04-03 08:47:19,185 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 08:47:21,105 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 08:47:23,112 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 08:47:25,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 08:47:25,401 INFO L93 Difference]: Finished difference Result 13193 states and 18677 transitions. [2023-04-03 08:47:25,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 08:47:25,402 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.4) internal successors, (92), 4 states have internal predecessors, (92), 2 states have call successors, (63), 3 states have call predecessors, (63), 2 states have return successors, (59), 2 states have call predecessors, (59), 2 states have call successors, (59) Word has length 479 [2023-04-03 08:47:25,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 08:47:25,494 INFO L225 Difference]: With dead ends: 13193 [2023-04-03 08:47:25,494 INFO L226 Difference]: Without dead ends: 13191 [2023-04-03 08:47:25,514 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 08:47:25,515 INFO L413 NwaCegarLoop]: 4515 mSDtfsCounter, 4919 mSDsluCounter, 9012 mSDsCounter, 0 mSdLazyCounter, 1316 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4927 SdHoareTripleChecker+Valid, 13527 SdHoareTripleChecker+Invalid, 1319 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1316 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.3s IncrementalHoareTripleChecker+Time [2023-04-03 08:47:25,515 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4927 Valid, 13527 Invalid, 1319 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1316 Invalid, 2 Unknown, 0 Unchecked, 8.3s Time] [2023-04-03 08:47:25,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13191 states. [2023-04-03 08:47:26,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13191 to 13191. [2023-04-03 08:47:26,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13191 states, 6253 states have (on average 1.1923876539261156) internal successors, (7456), 6502 states have internal predecessors, (7456), 5556 states have call successors, (5556), 1391 states have call predecessors, (5556), 1379 states have return successors, (5663), 5392 states have call predecessors, (5663), 5551 states have call successors, (5663) [2023-04-03 08:47:26,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13191 states to 13191 states and 18675 transitions. [2023-04-03 08:47:26,557 INFO L78 Accepts]: Start accepts. Automaton has 13191 states and 18675 transitions. Word has length 479 [2023-04-03 08:47:26,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 08:47:26,558 INFO L495 AbstractCegarLoop]: Abstraction has 13191 states and 18675 transitions. [2023-04-03 08:47:26,558 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.4) internal successors, (92), 4 states have internal predecessors, (92), 2 states have call successors, (63), 3 states have call predecessors, (63), 2 states have return successors, (59), 2 states have call predecessors, (59), 2 states have call successors, (59) [2023-04-03 08:47:26,558 INFO L276 IsEmpty]: Start isEmpty. Operand 13191 states and 18675 transitions. [2023-04-03 08:47:26,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 485 [2023-04-03 08:47:26,576 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 08:47:26,576 INFO L195 NwaCegarLoop]: trace histogram [40, 36, 36, 36, 36, 36, 36, 5, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 08:47:26,577 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-04-03 08:47:26,577 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 08:47:26,577 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 08:47:26,577 INFO L85 PathProgramCache]: Analyzing trace with hash -1012723040, now seen corresponding path program 1 times [2023-04-03 08:47:26,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 08:47:26,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1294751525] [2023-04-03 08:47:26,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 08:47:26,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 08:47:26,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 08:47:27,701 INFO L134 CoverageAnalysis]: Checked inductivity of 5401 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 5386 trivial. 0 not checked. [2023-04-03 08:47:27,702 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 08:47:27,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1294751525] [2023-04-03 08:47:27,702 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1294751525] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 08:47:27,702 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 08:47:27,702 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 08:47:27,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973705538] [2023-04-03 08:47:27,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 08:47:27,703 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 08:47:27,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 08:47:27,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 08:47:27,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 08:47:27,704 INFO L87 Difference]: Start difference. First operand 13191 states and 18675 transitions. Second operand has 5 states, 5 states have (on average 18.4) internal successors, (92), 4 states have internal predecessors, (92), 2 states have call successors, (64), 3 states have call predecessors, (64), 2 states have return successors, (60), 2 states have call predecessors, (60), 2 states have call successors, (60) [2023-04-03 08:47:29,754 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 08:47:31,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 08:47:31,256 INFO L93 Difference]: Finished difference Result 13197 states and 18680 transitions. [2023-04-03 08:47:31,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 08:47:31,257 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.4) internal successors, (92), 4 states have internal predecessors, (92), 2 states have call successors, (64), 3 states have call predecessors, (64), 2 states have return successors, (60), 2 states have call predecessors, (60), 2 states have call successors, (60) Word has length 484 [2023-04-03 08:47:31,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 08:47:31,316 INFO L225 Difference]: With dead ends: 13197 [2023-04-03 08:47:31,316 INFO L226 Difference]: Without dead ends: 13195 [2023-04-03 08:47:31,323 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 08:47:31,323 INFO L413 NwaCegarLoop]: 4515 mSDtfsCounter, 4919 mSDsluCounter, 9012 mSDsCounter, 0 mSdLazyCounter, 1318 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4926 SdHoareTripleChecker+Valid, 13527 SdHoareTripleChecker+Invalid, 1319 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1318 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2023-04-03 08:47:31,325 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4926 Valid, 13527 Invalid, 1319 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1318 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2023-04-03 08:47:31,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13195 states. [2023-04-03 08:47:32,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13195 to 13195. [2023-04-03 08:47:32,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13195 states, 6256 states have (on average 1.1922953964194374) internal successors, (7459), 6505 states have internal predecessors, (7459), 5556 states have call successors, (5556), 1392 states have call predecessors, (5556), 1380 states have return successors, (5663), 5392 states have call predecessors, (5663), 5551 states have call successors, (5663) [2023-04-03 08:47:32,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13195 states to 13195 states and 18678 transitions. [2023-04-03 08:47:32,326 INFO L78 Accepts]: Start accepts. Automaton has 13195 states and 18678 transitions. Word has length 484 [2023-04-03 08:47:32,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 08:47:32,327 INFO L495 AbstractCegarLoop]: Abstraction has 13195 states and 18678 transitions. [2023-04-03 08:47:32,327 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.4) internal successors, (92), 4 states have internal predecessors, (92), 2 states have call successors, (64), 3 states have call predecessors, (64), 2 states have return successors, (60), 2 states have call predecessors, (60), 2 states have call successors, (60) [2023-04-03 08:47:32,328 INFO L276 IsEmpty]: Start isEmpty. Operand 13195 states and 18678 transitions. [2023-04-03 08:47:32,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 515 [2023-04-03 08:47:32,345 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 08:47:32,346 INFO L195 NwaCegarLoop]: trace histogram [40, 36, 36, 36, 36, 36, 36, 6, 5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:47:32,346 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-04-03 08:47:32,346 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 08:47:32,346 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 08:47:32,347 INFO L85 PathProgramCache]: Analyzing trace with hash 342303803, now seen corresponding path program 1 times [2023-04-03 08:47:32,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 08:47:32,347 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1962212120] [2023-04-03 08:47:32,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 08:47:32,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 08:47:32,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 08:47:33,417 INFO L134 CoverageAnalysis]: Checked inductivity of 5427 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 5414 trivial. 0 not checked. [2023-04-03 08:47:33,417 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 08:47:33,417 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1962212120] [2023-04-03 08:47:33,417 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1962212120] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 08:47:33,417 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 08:47:33,418 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 08:47:33,418 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [766975478] [2023-04-03 08:47:33,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 08:47:33,418 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 08:47:33,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 08:47:33,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 08:47:33,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 08:47:33,420 INFO L87 Difference]: Start difference. First operand 13195 states and 18678 transitions. Second operand has 5 states, 5 states have (on average 19.8) internal successors, (99), 4 states have internal predecessors, (99), 2 states have call successors, (73), 3 states have call predecessors, (73), 2 states have return successors, (69), 2 states have call predecessors, (69), 2 states have call successors, (69) [2023-04-03 08:47:37,520 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 08:47:38,888 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 08:47:40,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 08:47:40,979 INFO L93 Difference]: Finished difference Result 13201 states and 18683 transitions. [2023-04-03 08:47:40,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 08:47:40,980 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.8) internal successors, (99), 4 states have internal predecessors, (99), 2 states have call successors, (73), 3 states have call predecessors, (73), 2 states have return successors, (69), 2 states have call predecessors, (69), 2 states have call successors, (69) Word has length 514 [2023-04-03 08:47:40,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 08:47:41,043 INFO L225 Difference]: With dead ends: 13201 [2023-04-03 08:47:41,043 INFO L226 Difference]: Without dead ends: 13199 [2023-04-03 08:47:41,056 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 08:47:41,057 INFO L413 NwaCegarLoop]: 4515 mSDtfsCounter, 4922 mSDsluCounter, 9012 mSDsCounter, 0 mSdLazyCounter, 1317 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4928 SdHoareTripleChecker+Valid, 13527 SdHoareTripleChecker+Invalid, 1319 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1317 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2023-04-03 08:47:41,057 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4928 Valid, 13527 Invalid, 1319 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1317 Invalid, 1 Unknown, 0 Unchecked, 6.8s Time] [2023-04-03 08:47:41,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13199 states. [2023-04-03 08:47:42,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13199 to 13199. [2023-04-03 08:47:42,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13199 states, 6259 states have (on average 1.1922032273526122) internal successors, (7462), 6508 states have internal predecessors, (7462), 5556 states have call successors, (5556), 1393 states have call predecessors, (5556), 1381 states have return successors, (5663), 5392 states have call predecessors, (5663), 5551 states have call successors, (5663) [2023-04-03 08:47:42,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13199 states to 13199 states and 18681 transitions. [2023-04-03 08:47:42,088 INFO L78 Accepts]: Start accepts. Automaton has 13199 states and 18681 transitions. Word has length 514 [2023-04-03 08:47:42,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 08:47:42,088 INFO L495 AbstractCegarLoop]: Abstraction has 13199 states and 18681 transitions. [2023-04-03 08:47:42,089 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.8) internal successors, (99), 4 states have internal predecessors, (99), 2 states have call successors, (73), 3 states have call predecessors, (73), 2 states have return successors, (69), 2 states have call predecessors, (69), 2 states have call successors, (69) [2023-04-03 08:47:42,089 INFO L276 IsEmpty]: Start isEmpty. Operand 13199 states and 18681 transitions. [2023-04-03 08:47:42,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 520 [2023-04-03 08:47:42,110 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 08:47:42,111 INFO L195 NwaCegarLoop]: trace histogram [40, 36, 36, 36, 36, 36, 36, 7, 6, 6, 5, 5, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:47:42,111 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-04-03 08:47:42,111 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 08:47:42,111 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 08:47:42,112 INFO L85 PathProgramCache]: Analyzing trace with hash -641735047, now seen corresponding path program 1 times [2023-04-03 08:47:42,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 08:47:42,112 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1581831476] [2023-04-03 08:47:42,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 08:47:42,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 08:47:42,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 08:47:43,246 INFO L134 CoverageAnalysis]: Checked inductivity of 5449 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 5434 trivial. 0 not checked. [2023-04-03 08:47:43,246 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 08:47:43,246 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1581831476] [2023-04-03 08:47:43,246 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1581831476] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 08:47:43,247 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 08:47:43,247 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 08:47:43,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322486784] [2023-04-03 08:47:43,247 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 08:47:43,248 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 08:47:43,248 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 08:47:43,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 08:47:43,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 08:47:43,249 INFO L87 Difference]: Start difference. First operand 13199 states and 18681 transitions. Second operand has 5 states, 5 states have (on average 19.8) internal successors, (99), 4 states have internal predecessors, (99), 2 states have call successors, (74), 3 states have call predecessors, (74), 2 states have return successors, (70), 2 states have call predecessors, (70), 2 states have call successors, (70) [2023-04-03 08:47:46,863 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 08:47:48,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 08:47:48,652 INFO L93 Difference]: Finished difference Result 13527 states and 19002 transitions. [2023-04-03 08:47:48,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 08:47:48,653 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.8) internal successors, (99), 4 states have internal predecessors, (99), 2 states have call successors, (74), 3 states have call predecessors, (74), 2 states have return successors, (70), 2 states have call predecessors, (70), 2 states have call successors, (70) Word has length 519 [2023-04-03 08:47:48,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 08:47:48,713 INFO L225 Difference]: With dead ends: 13527 [2023-04-03 08:47:48,713 INFO L226 Difference]: Without dead ends: 13525 [2023-04-03 08:47:48,726 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 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 08:47:48,727 INFO L413 NwaCegarLoop]: 4515 mSDtfsCounter, 4685 mSDsluCounter, 9338 mSDsCounter, 0 mSdLazyCounter, 1383 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4690 SdHoareTripleChecker+Valid, 13853 SdHoareTripleChecker+Invalid, 1385 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1383 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2023-04-03 08:47:48,727 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4690 Valid, 13853 Invalid, 1385 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1383 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2023-04-03 08:47:48,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13525 states. [2023-04-03 08:47:49,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13525 to 13525. [2023-04-03 08:47:49,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13525 states, 6434 states have (on average 1.189462231893068) internal successors, (7653), 6685 states have internal predecessors, (7653), 5620 states have call successors, (5620), 1480 states have call predecessors, (5620), 1468 states have return successors, (5727), 5456 states have call predecessors, (5727), 5615 states have call successors, (5727) [2023-04-03 08:47:49,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13525 states to 13525 states and 19000 transitions. [2023-04-03 08:47:49,784 INFO L78 Accepts]: Start accepts. Automaton has 13525 states and 19000 transitions. Word has length 519 [2023-04-03 08:47:49,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 08:47:49,785 INFO L495 AbstractCegarLoop]: Abstraction has 13525 states and 19000 transitions. [2023-04-03 08:47:49,785 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.8) internal successors, (99), 4 states have internal predecessors, (99), 2 states have call successors, (74), 3 states have call predecessors, (74), 2 states have return successors, (70), 2 states have call predecessors, (70), 2 states have call successors, (70) [2023-04-03 08:47:49,785 INFO L276 IsEmpty]: Start isEmpty. Operand 13525 states and 19000 transitions. [2023-04-03 08:47:49,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 500 [2023-04-03 08:47:49,867 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 08:47:49,868 INFO L195 NwaCegarLoop]: trace histogram [40, 36, 36, 36, 36, 36, 36, 8, 7, 7, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 08:47:49,868 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-04-03 08:47:49,868 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 08:47:49,868 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 08:47:49,869 INFO L85 PathProgramCache]: Analyzing trace with hash 779088564, now seen corresponding path program 1 times [2023-04-03 08:47:49,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 08:47:49,869 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1193648561] [2023-04-03 08:47:49,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 08:47:49,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 08:47:50,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 08:47:50,799 INFO L134 CoverageAnalysis]: Checked inductivity of 5467 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 5446 trivial. 0 not checked. [2023-04-03 08:47:50,799 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 08:47:50,799 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1193648561] [2023-04-03 08:47:50,799 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1193648561] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 08:47:50,800 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 08:47:50,800 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 08:47:50,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1942824324] [2023-04-03 08:47:50,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 08:47:50,801 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 08:47:50,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 08:47:50,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 08:47:50,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 08:47:50,802 INFO L87 Difference]: Start difference. First operand 13525 states and 19000 transitions. Second operand has 5 states, 5 states have (on average 18.4) internal successors, (92), 4 states have internal predecessors, (92), 2 states have call successors, (67), 3 states have call predecessors, (67), 2 states have return successors, (63), 2 states have call predecessors, (63), 2 states have call successors, (63) [2023-04-03 08:47:52,765 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 08:47:54,775 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 08:47:56,785 WARN L539 Checker$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 08:47:58,663 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 08:48:00,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 08:48:00,897 INFO L93 Difference]: Finished difference Result 13531 states and 19005 transitions. [2023-04-03 08:48:00,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 08:48:00,897 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.4) internal successors, (92), 4 states have internal predecessors, (92), 2 states have call successors, (67), 3 states have call predecessors, (67), 2 states have return successors, (63), 2 states have call predecessors, (63), 2 states have call successors, (63) Word has length 499 [2023-04-03 08:48:00,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 08:48:00,956 INFO L225 Difference]: With dead ends: 13531 [2023-04-03 08:48:00,956 INFO L226 Difference]: Without dead ends: 13529 [2023-04-03 08:48:00,967 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 08:48:00,968 INFO L413 NwaCegarLoop]: 4515 mSDtfsCounter, 4919 mSDsluCounter, 9012 mSDsCounter, 0 mSdLazyCounter, 1316 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4923 SdHoareTripleChecker+Valid, 13527 SdHoareTripleChecker+Invalid, 1319 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1316 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.3s IncrementalHoareTripleChecker+Time [2023-04-03 08:48:00,968 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4923 Valid, 13527 Invalid, 1319 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1316 Invalid, 2 Unknown, 0 Unchecked, 9.3s Time] [2023-04-03 08:48:00,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13529 states. [2023-04-03 08:48:01,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13529 to 13529. [2023-04-03 08:48:01,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13529 states, 6437 states have (on average 1.18937393195588) internal successors, (7656), 6688 states have internal predecessors, (7656), 5620 states have call successors, (5620), 1481 states have call predecessors, (5620), 1469 states have return successors, (5727), 5456 states have call predecessors, (5727), 5615 states have call successors, (5727) [2023-04-03 08:48:02,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13529 states to 13529 states and 19003 transitions. [2023-04-03 08:48:02,001 INFO L78 Accepts]: Start accepts. Automaton has 13529 states and 19003 transitions. Word has length 499 [2023-04-03 08:48:02,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 08:48:02,001 INFO L495 AbstractCegarLoop]: Abstraction has 13529 states and 19003 transitions. [2023-04-03 08:48:02,002 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.4) internal successors, (92), 4 states have internal predecessors, (92), 2 states have call successors, (67), 3 states have call predecessors, (67), 2 states have return successors, (63), 2 states have call predecessors, (63), 2 states have call successors, (63) [2023-04-03 08:48:02,002 INFO L276 IsEmpty]: Start isEmpty. Operand 13529 states and 19003 transitions. [2023-04-03 08:48:02,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 529 [2023-04-03 08:48:02,022 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 08:48:02,022 INFO L195 NwaCegarLoop]: trace histogram [40, 36, 36, 36, 36, 36, 36, 9, 8, 8, 5, 5, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 08:48:02,023 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-04-03 08:48:02,023 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 08:48:02,024 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 08:48:02,024 INFO L85 PathProgramCache]: Analyzing trace with hash -2070717551, now seen corresponding path program 1 times [2023-04-03 08:48:02,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 08:48:02,024 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [914817822] [2023-04-03 08:48:02,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 08:48:02,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 08:48:02,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 08:48:02,946 INFO L134 CoverageAnalysis]: Checked inductivity of 5504 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 5486 trivial. 0 not checked. [2023-04-03 08:48:02,946 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 08:48:02,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [914817822] [2023-04-03 08:48:02,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [914817822] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 08:48:02,946 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 08:48:02,946 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 08:48:02,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [605201952] [2023-04-03 08:48:02,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 08:48:02,947 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 08:48:02,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 08:48:02,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 08:48:02,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 08:48:02,948 INFO L87 Difference]: Start difference. First operand 13529 states and 19003 transitions. Second operand has 5 states, 5 states have (on average 19.6) internal successors, (98), 4 states have internal predecessors, (98), 2 states have call successors, (76), 3 states have call predecessors, (76), 2 states have return successors, (72), 2 states have call predecessors, (72), 2 states have call successors, (72) [2023-04-03 08:48:06,077 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 08:48:08,090 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 08:48:10,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 08:48:10,889 INFO L93 Difference]: Finished difference Result 13535 states and 19008 transitions. [2023-04-03 08:48:10,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 08:48:10,889 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.6) internal successors, (98), 4 states have internal predecessors, (98), 2 states have call successors, (76), 3 states have call predecessors, (76), 2 states have return successors, (72), 2 states have call predecessors, (72), 2 states have call successors, (72) Word has length 528 [2023-04-03 08:48:10,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 08:48:11,022 INFO L225 Difference]: With dead ends: 13535 [2023-04-03 08:48:11,022 INFO L226 Difference]: Without dead ends: 13533 [2023-04-03 08:48:11,028 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 08:48:11,029 INFO L413 NwaCegarLoop]: 4515 mSDtfsCounter, 4923 mSDsluCounter, 9012 mSDsCounter, 0 mSdLazyCounter, 1316 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4926 SdHoareTripleChecker+Valid, 13527 SdHoareTripleChecker+Invalid, 1319 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1316 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.0s IncrementalHoareTripleChecker+Time [2023-04-03 08:48:11,029 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4926 Valid, 13527 Invalid, 1319 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1316 Invalid, 2 Unknown, 0 Unchecked, 7.0s Time] [2023-04-03 08:48:11,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13533 states. [2023-04-03 08:48:12,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13533 to 13533. [2023-04-03 08:48:12,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13533 states, 6440 states have (on average 1.1892857142857143) internal successors, (7659), 6691 states have internal predecessors, (7659), 5620 states have call successors, (5620), 1482 states have call predecessors, (5620), 1470 states have return successors, (5727), 5456 states have call predecessors, (5727), 5615 states have call successors, (5727) [2023-04-03 08:48:12,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13533 states to 13533 states and 19006 transitions. [2023-04-03 08:48:12,087 INFO L78 Accepts]: Start accepts. Automaton has 13533 states and 19006 transitions. Word has length 528 [2023-04-03 08:48:12,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 08:48:12,087 INFO L495 AbstractCegarLoop]: Abstraction has 13533 states and 19006 transitions. [2023-04-03 08:48:12,088 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.6) internal successors, (98), 4 states have internal predecessors, (98), 2 states have call successors, (76), 3 states have call predecessors, (76), 2 states have return successors, (72), 2 states have call predecessors, (72), 2 states have call successors, (72) [2023-04-03 08:48:12,088 INFO L276 IsEmpty]: Start isEmpty. Operand 13533 states and 19006 transitions. [2023-04-03 08:48:12,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 535 [2023-04-03 08:48:12,107 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 08:48:12,107 INFO L195 NwaCegarLoop]: trace histogram [40, 36, 36, 36, 36, 36, 36, 10, 9, 9, 5, 5, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:48:12,107 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-04-03 08:48:12,107 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 08:48:12,108 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 08:48:12,108 INFO L85 PathProgramCache]: Analyzing trace with hash 481186107, now seen corresponding path program 1 times [2023-04-03 08:48:12,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 08:48:12,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1129554899] [2023-04-03 08:48:12,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 08:48:12,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 08:48:12,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 08:48:12,960 INFO L134 CoverageAnalysis]: Checked inductivity of 5539 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 5518 trivial. 0 not checked. [2023-04-03 08:48:12,960 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 08:48:12,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1129554899] [2023-04-03 08:48:12,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1129554899] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 08:48:12,961 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 08:48:12,961 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 08:48:12,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7076912] [2023-04-03 08:48:12,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 08:48:12,962 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 08:48:12,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 08:48:12,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 08:48:12,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 08:48:12,963 INFO L87 Difference]: Start difference. First operand 13533 states and 19006 transitions. Second operand has 5 states, 5 states have (on average 19.8) internal successors, (99), 4 states have internal predecessors, (99), 2 states have call successors, (77), 3 states have call predecessors, (77), 2 states have return successors, (73), 2 states have call predecessors, (73), 2 states have call successors, (73) [2023-04-03 08:48:16,229 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 08:48:18,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 08:48:18,787 INFO L93 Difference]: Finished difference Result 13539 states and 19011 transitions. [2023-04-03 08:48:18,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 08:48:18,787 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.8) internal successors, (99), 4 states have internal predecessors, (99), 2 states have call successors, (77), 3 states have call predecessors, (77), 2 states have return successors, (73), 2 states have call predecessors, (73), 2 states have call successors, (73) Word has length 534 [2023-04-03 08:48:18,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 08:48:18,856 INFO L225 Difference]: With dead ends: 13539 [2023-04-03 08:48:18,857 INFO L226 Difference]: Without dead ends: 13537 [2023-04-03 08:48:18,870 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 08:48:18,871 INFO L413 NwaCegarLoop]: 4515 mSDtfsCounter, 4922 mSDsluCounter, 9012 mSDsCounter, 0 mSdLazyCounter, 1317 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4924 SdHoareTripleChecker+Valid, 13527 SdHoareTripleChecker+Invalid, 1319 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1317 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2023-04-03 08:48:18,871 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4924 Valid, 13527 Invalid, 1319 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1317 Invalid, 1 Unknown, 0 Unchecked, 4.9s Time] [2023-04-03 08:48:18,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13537 states. [2023-04-03 08:48:20,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13537 to 13537. [2023-04-03 08:48:20,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13537 states, 6443 states have (on average 1.1891975787676548) internal successors, (7662), 6694 states have internal predecessors, (7662), 5620 states have call successors, (5620), 1483 states have call predecessors, (5620), 1471 states have return successors, (5727), 5456 states have call predecessors, (5727), 5615 states have call successors, (5727) [2023-04-03 08:48:20,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13537 states to 13537 states and 19009 transitions. [2023-04-03 08:48:20,088 INFO L78 Accepts]: Start accepts. Automaton has 13537 states and 19009 transitions. Word has length 534 [2023-04-03 08:48:20,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 08:48:20,089 INFO L495 AbstractCegarLoop]: Abstraction has 13537 states and 19009 transitions. [2023-04-03 08:48:20,089 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.8) internal successors, (99), 4 states have internal predecessors, (99), 2 states have call successors, (77), 3 states have call predecessors, (77), 2 states have return successors, (73), 2 states have call predecessors, (73), 2 states have call successors, (73) [2023-04-03 08:48:20,089 INFO L276 IsEmpty]: Start isEmpty. Operand 13537 states and 19009 transitions. [2023-04-03 08:48:20,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 559 [2023-04-03 08:48:20,101 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 08:48:20,101 INFO L195 NwaCegarLoop]: trace histogram [38, 37, 37, 37, 37, 37, 37, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 08:48:20,101 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-04-03 08:48:20,102 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 08:48:20,102 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 08:48:20,102 INFO L85 PathProgramCache]: Analyzing trace with hash -920631240, now seen corresponding path program 1 times [2023-04-03 08:48:20,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 08:48:20,103 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1571831149] [2023-04-03 08:48:20,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 08:48:20,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 08:48:20,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 08:48:21,366 INFO L134 CoverageAnalysis]: Checked inductivity of 5434 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5434 trivial. 0 not checked. [2023-04-03 08:48:21,367 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 08:48:21,367 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1571831149] [2023-04-03 08:48:21,367 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1571831149] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 08:48:21,367 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 08:48:21,367 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 08:48:21,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722372749] [2023-04-03 08:48:21,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 08:48:21,368 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 08:48:21,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 08:48:21,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 08:48:21,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 08:48:21,370 INFO L87 Difference]: Start difference. First operand 13537 states and 19009 transitions. Second operand has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 3 states have call successors, (80), 3 states have call predecessors, (80), 1 states have return successors, (71), 3 states have call predecessors, (71), 3 states have call successors, (71) [2023-04-03 08:48:23,638 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 08:48:26,719 WARN L539 Checker$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 08:48:28,732 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 08:48:32,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 08:48:32,032 INFO L93 Difference]: Finished difference Result 32061 states and 45199 transitions. [2023-04-03 08:48:32,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 08:48:32,032 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 3 states have call successors, (80), 3 states have call predecessors, (80), 1 states have return successors, (71), 3 states have call predecessors, (71), 3 states have call successors, (71) Word has length 558 [2023-04-03 08:48:32,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 08:48:32,150 INFO L225 Difference]: With dead ends: 32061 [2023-04-03 08:48:32,151 INFO L226 Difference]: Without dead ends: 18610 [2023-04-03 08:48:32,240 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 08:48:32,240 INFO L413 NwaCegarLoop]: 5391 mSDtfsCounter, 4224 mSDsluCounter, 4467 mSDsCounter, 0 mSdLazyCounter, 969 mSolverCounterSat, 16 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4224 SdHoareTripleChecker+Valid, 9858 SdHoareTripleChecker+Invalid, 988 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 969 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.0s IncrementalHoareTripleChecker+Time [2023-04-03 08:48:32,240 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4224 Valid, 9858 Invalid, 988 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 969 Invalid, 3 Unknown, 0 Unchecked, 9.0s Time] [2023-04-03 08:48:32,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18610 states. [2023-04-03 08:48:33,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18610 to 18531. [2023-04-03 08:48:33,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18531 states, 8708 states have (on average 1.1851171336701882) internal successors, (10320), 9057 states have internal predecessors, (10320), 7839 states have call successors, (7839), 2005 states have call predecessors, (7839), 1981 states have return successors, (8000), 7593 states have call predecessors, (8000), 7834 states have call successors, (8000) [2023-04-03 08:48:34,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18531 states to 18531 states and 26159 transitions. [2023-04-03 08:48:34,046 INFO L78 Accepts]: Start accepts. Automaton has 18531 states and 26159 transitions. Word has length 558 [2023-04-03 08:48:34,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 08:48:34,047 INFO L495 AbstractCegarLoop]: Abstraction has 18531 states and 26159 transitions. [2023-04-03 08:48:34,047 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 3 states have call successors, (80), 3 states have call predecessors, (80), 1 states have return successors, (71), 3 states have call predecessors, (71), 3 states have call successors, (71) [2023-04-03 08:48:34,047 INFO L276 IsEmpty]: Start isEmpty. Operand 18531 states and 26159 transitions. [2023-04-03 08:48:34,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 592 [2023-04-03 08:48:34,065 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 08:48:34,065 INFO L195 NwaCegarLoop]: trace histogram [38, 37, 37, 37, 37, 37, 37, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 08:48:34,065 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-04-03 08:48:34,065 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 08:48:34,066 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 08:48:34,066 INFO L85 PathProgramCache]: Analyzing trace with hash -405952418, now seen corresponding path program 1 times [2023-04-03 08:48:34,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 08:48:34,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902556848] [2023-04-03 08:48:34,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 08:48:34,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 08:48:34,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 08:48:34,976 INFO L134 CoverageAnalysis]: Checked inductivity of 5434 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5434 trivial. 0 not checked. [2023-04-03 08:48:34,976 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 08:48:34,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [902556848] [2023-04-03 08:48:34,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [902556848] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 08:48:34,976 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 08:48:34,976 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 08:48:34,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [600213434] [2023-04-03 08:48:34,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 08:48:34,977 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 08:48:34,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 08:48:35,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 08:48:35,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 08:48:35,174 INFO L87 Difference]: Start difference. First operand 18531 states and 26159 transitions. Second operand has 3 states, 3 states have (on average 52.0) internal successors, (156), 3 states have internal predecessors, (156), 3 states have call successors, (89), 3 states have call predecessors, (89), 1 states have return successors, (79), 3 states have call predecessors, (79), 3 states have call successors, (79) [2023-04-03 08:48:37,393 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 08:48:41,802 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 08:48:43,666 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 08:48:46,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 08:48:46,690 INFO L93 Difference]: Finished difference Result 48984 states and 69376 transitions. [2023-04-03 08:48:46,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 08:48:46,691 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 52.0) internal successors, (156), 3 states have internal predecessors, (156), 3 states have call successors, (89), 3 states have call predecessors, (89), 1 states have return successors, (79), 3 states have call predecessors, (79), 3 states have call successors, (79) Word has length 591 [2023-04-03 08:48:46,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 08:48:46,900 INFO L225 Difference]: With dead ends: 48984 [2023-04-03 08:48:46,900 INFO L226 Difference]: Without dead ends: 30539 [2023-04-03 08:48:47,010 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 08:48:47,011 INFO L413 NwaCegarLoop]: 4532 mSDtfsCounter, 4677 mSDsluCounter, 4450 mSDsCounter, 0 mSdLazyCounter, 948 mSolverCounterSat, 15 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4677 SdHoareTripleChecker+Valid, 8982 SdHoareTripleChecker+Invalid, 965 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 948 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.9s IncrementalHoareTripleChecker+Time [2023-04-03 08:48:47,011 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4677 Valid, 8982 Invalid, 965 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 948 Invalid, 2 Unknown, 0 Unchecked, 8.9s Time] [2023-04-03 08:48:47,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30539 states. [2023-04-03 08:48:49,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30539 to 30440. [2023-04-03 08:48:50,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30440 states, 14275 states have (on average 1.181015761821366) internal successors, (16859), 14857 states have internal predecessors, (16859), 12896 states have call successors, (12896), 3297 states have call predecessors, (12896), 3266 states have return successors, (13387), 12496 states have call predecessors, (13387), 12891 states have call successors, (13387) [2023-04-03 08:48:50,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30440 states to 30440 states and 43142 transitions. [2023-04-03 08:48:50,198 INFO L78 Accepts]: Start accepts. Automaton has 30440 states and 43142 transitions. Word has length 591 [2023-04-03 08:48:50,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 08:48:50,199 INFO L495 AbstractCegarLoop]: Abstraction has 30440 states and 43142 transitions. [2023-04-03 08:48:50,199 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 52.0) internal successors, (156), 3 states have internal predecessors, (156), 3 states have call successors, (89), 3 states have call predecessors, (89), 1 states have return successors, (79), 3 states have call predecessors, (79), 3 states have call successors, (79) [2023-04-03 08:48:50,200 INFO L276 IsEmpty]: Start isEmpty. Operand 30440 states and 43142 transitions. [2023-04-03 08:48:50,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 513 [2023-04-03 08:48:50,215 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 08:48:50,215 INFO L195 NwaCegarLoop]: trace histogram [37, 36, 36, 36, 36, 36, 36, 5, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 08:48:50,215 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-04-03 08:48:50,216 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 08:48:50,216 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 08:48:50,217 INFO L85 PathProgramCache]: Analyzing trace with hash -1452874376, now seen corresponding path program 1 times [2023-04-03 08:48:50,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 08:48:50,217 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [339694146] [2023-04-03 08:48:50,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 08:48:50,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 08:48:50,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 08:48:51,123 INFO L134 CoverageAnalysis]: Checked inductivity of 5138 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5138 trivial. 0 not checked. [2023-04-03 08:48:51,124 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 08:48:51,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [339694146] [2023-04-03 08:48:51,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [339694146] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 08:48:51,124 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 08:48:51,124 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 08:48:51,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1237257750] [2023-04-03 08:48:51,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 08:48:51,125 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 08:48:51,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 08:48:51,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 08:48:51,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 08:48:51,126 INFO L87 Difference]: Start difference. First operand 30440 states and 43142 transitions. Second operand has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 3 states have call successors, (69), 3 states have call predecessors, (69), 1 states have return successors, (62), 3 states have call predecessors, (62), 3 states have call successors, (62) [2023-04-03 08:48:53,330 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 08:48:55,432 WARN L539 Checker$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 08:48:59,193 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 08:49:01,201 WARN L539 Checker$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 08:49:02,704 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 08:49:06,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 08:49:06,461 INFO L93 Difference]: Finished difference Result 84483 states and 120227 transitions. [2023-04-03 08:49:06,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 08:49:06,461 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 3 states have call successors, (69), 3 states have call predecessors, (69), 1 states have return successors, (62), 3 states have call predecessors, (62), 3 states have call successors, (62) Word has length 512 [2023-04-03 08:49:06,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 08:49:06,835 INFO L225 Difference]: With dead ends: 84483 [2023-04-03 08:49:06,835 INFO L226 Difference]: Without dead ends: 54129 [2023-04-03 08:49:06,990 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 08:49:06,991 INFO L413 NwaCegarLoop]: 4532 mSDtfsCounter, 4667 mSDsluCounter, 4450 mSDsCounter, 0 mSdLazyCounter, 946 mSolverCounterSat, 15 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4667 SdHoareTripleChecker+Valid, 8982 SdHoareTripleChecker+Invalid, 965 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 946 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.1s IncrementalHoareTripleChecker+Time [2023-04-03 08:49:06,991 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4667 Valid, 8982 Invalid, 965 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 946 Invalid, 4 Unknown, 0 Unchecked, 11.1s Time] [2023-04-03 08:49:07,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54129 states. [2023-04-03 08:49:12,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54129 to 53996. [2023-04-03 08:49:12,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53996 states, 25259 states have (on average 1.1772833445504574) internal successors, (29737), 26305 states have internal predecessors, (29737), 22924 states have call successors, (22924), 5853 states have call predecessors, (22924), 5810 states have return successors, (24241), 22220 states have call predecessors, (24241), 22919 states have call successors, (24241) [2023-04-03 08:49:12,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53996 states to 53996 states and 76902 transitions. [2023-04-03 08:49:12,550 INFO L78 Accepts]: Start accepts. Automaton has 53996 states and 76902 transitions. Word has length 512 [2023-04-03 08:49:12,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 08:49:12,551 INFO L495 AbstractCegarLoop]: Abstraction has 53996 states and 76902 transitions. [2023-04-03 08:49:12,551 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 3 states have call successors, (69), 3 states have call predecessors, (69), 1 states have return successors, (62), 3 states have call predecessors, (62), 3 states have call successors, (62) [2023-04-03 08:49:12,551 INFO L276 IsEmpty]: Start isEmpty. Operand 53996 states and 76902 transitions. [2023-04-03 08:49:12,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 511 [2023-04-03 08:49:12,562 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 08:49:12,563 INFO L195 NwaCegarLoop]: trace histogram [37, 36, 36, 36, 36, 36, 36, 5, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 08:49:12,563 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-04-03 08:49:12,563 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 08:49:12,563 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 08:49:12,563 INFO L85 PathProgramCache]: Analyzing trace with hash -137403544, now seen corresponding path program 1 times [2023-04-03 08:49:12,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 08:49:12,564 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970043725] [2023-04-03 08:49:12,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 08:49:12,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 08:49:12,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 08:49:13,259 INFO L134 CoverageAnalysis]: Checked inductivity of 5138 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5138 trivial. 0 not checked. [2023-04-03 08:49:13,259 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 08:49:13,259 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1970043725] [2023-04-03 08:49:13,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1970043725] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 08:49:13,262 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 08:49:13,262 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 08:49:13,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1992300211] [2023-04-03 08:49:13,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 08:49:13,263 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 08:49:13,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 08:49:13,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 08:49:13,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 08:49:13,264 INFO L87 Difference]: Start difference. First operand 53996 states and 76902 transitions. Second operand has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 3 states have call successors, (69), 3 states have call predecessors, (69), 1 states have return successors, (62), 3 states have call predecessors, (62), 3 states have call successors, (62) [2023-04-03 08:49:24,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 08:49:24,886 INFO L93 Difference]: Finished difference Result 154407 states and 220865 transitions. [2023-04-03 08:49:24,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 08:49:24,886 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 3 states have call successors, (69), 3 states have call predecessors, (69), 1 states have return successors, (62), 3 states have call predecessors, (62), 3 states have call successors, (62) Word has length 510 [2023-04-03 08:49:24,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 08:49:25,698 INFO L225 Difference]: With dead ends: 154407 [2023-04-03 08:49:25,698 INFO L226 Difference]: Without dead ends: 100497 [2023-04-03 08:49:25,918 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 08:49:25,919 INFO L413 NwaCegarLoop]: 4532 mSDtfsCounter, 4669 mSDsluCounter, 4450 mSDsCounter, 0 mSdLazyCounter, 949 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4669 SdHoareTripleChecker+Valid, 8982 SdHoareTripleChecker+Invalid, 964 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 949 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2023-04-03 08:49:25,919 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4669 Valid, 8982 Invalid, 964 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 949 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2023-04-03 08:49:26,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100497 states. [2023-04-03 08:49:35,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100497 to 100328. [2023-04-03 08:49:36,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100328 states, 46821 states have (on average 1.1733410221908973) internal successors, (54937), 48783 states have internal predecessors, (54937), 42710 states have call successors, (42710), 10845 states have call predecessors, (42710), 10794 states have return successors, (45941), 41426 states have call predecessors, (45941), 42705 states have call successors, (45941) [2023-04-03 08:49:37,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100328 states to 100328 states and 143588 transitions. [2023-04-03 08:49:37,099 INFO L78 Accepts]: Start accepts. Automaton has 100328 states and 143588 transitions. Word has length 510 [2023-04-03 08:49:37,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 08:49:37,099 INFO L495 AbstractCegarLoop]: Abstraction has 100328 states and 143588 transitions. [2023-04-03 08:49:37,100 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 3 states have call successors, (69), 3 states have call predecessors, (69), 1 states have return successors, (62), 3 states have call predecessors, (62), 3 states have call successors, (62) [2023-04-03 08:49:37,100 INFO L276 IsEmpty]: Start isEmpty. Operand 100328 states and 143588 transitions. [2023-04-03 08:49:37,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 510 [2023-04-03 08:49:37,107 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 08:49:37,107 INFO L195 NwaCegarLoop]: trace histogram [37, 36, 36, 36, 36, 36, 36, 5, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 08:49:37,107 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-04-03 08:49:37,108 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 08:49:37,108 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 08:49:37,108 INFO L85 PathProgramCache]: Analyzing trace with hash -1814148140, now seen corresponding path program 1 times [2023-04-03 08:49:37,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 08:49:37,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1700813431] [2023-04-03 08:49:37,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 08:49:37,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 08:49:37,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 08:49:37,769 INFO L134 CoverageAnalysis]: Checked inductivity of 5138 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5138 trivial. 0 not checked. [2023-04-03 08:49:37,770 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 08:49:37,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1700813431] [2023-04-03 08:49:37,770 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1700813431] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 08:49:37,770 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 08:49:37,770 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 08:49:37,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1999211744] [2023-04-03 08:49:37,770 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 08:49:37,771 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 08:49:37,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 08:49:37,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 08:49:37,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 08:49:37,772 INFO L87 Difference]: Start difference. First operand 100328 states and 143588 transitions. Second operand has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 3 states have call successors, (69), 3 states have call predecessors, (69), 1 states have return successors, (62), 3 states have call predecessors, (62), 3 states have call successors, (62) [2023-04-03 08:49:41,353 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 []