/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml --sifa.abstract.domain OctagonDomain -i ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-irda-via-ircc.cil.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-03 07:32:02,677 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-03 07:32:02,679 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-03 07:32:02,718 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-03 07:32:02,719 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-03 07:32:02,722 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-03 07:32:02,726 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-03 07:32:02,729 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-03 07:32:02,730 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-03 07:32:02,738 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-03 07:32:02,740 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-03 07:32:02,741 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-03 07:32:02,741 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-03 07:32:02,744 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-03 07:32:02,745 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-03 07:32:02,746 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-03 07:32:02,747 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-03 07:32:02,748 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-03 07:32:02,749 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-03 07:32:02,754 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-03 07:32:02,755 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-03 07:32:02,756 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-03 07:32:02,757 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-03 07:32:02,758 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-03 07:32:02,766 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-03 07:32:02,767 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-03 07:32:02,767 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-03 07:32:02,768 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-03 07:32:02,769 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-03 07:32:02,769 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-03 07:32:02,770 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-03 07:32:02,770 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-03 07:32:02,772 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-03 07:32:02,772 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-03 07:32:02,773 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-03 07:32:02,773 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-03 07:32:02,774 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-03 07:32:02,774 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-03 07:32:02,774 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-03 07:32:02,775 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-03 07:32:02,775 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-03 07:32:02,777 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2023-04-03 07:32:02,805 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-03 07:32:02,805 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-03 07:32:02,806 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-03 07:32:02,806 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-03 07:32:02,807 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-03 07:32:02,807 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-03 07:32:02,807 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-03 07:32:02,808 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-03 07:32:02,808 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-03 07:32:02,808 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-03 07:32:02,809 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-03 07:32:02,809 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-03 07:32:02,809 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-03 07:32:02,809 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-03 07:32:02,809 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-03 07:32:02,810 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-03 07:32:02,810 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-03 07:32:02,810 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-03 07:32:02,811 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-03 07:32:02,811 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-03 07:32:02,811 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-03 07:32:02,811 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-03 07:32:02,811 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-03 07:32:02,811 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-03 07:32:02,811 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-03 07:32:02,812 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-03 07:32:02,812 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-03 07:32:02,812 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-03 07:32:02,812 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-03 07:32:02,813 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-03 07:32:02,813 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-03 07:32:02,813 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-03 07:32:02,813 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 07:32:02,813 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-03 07:32:02,814 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-03 07:32:02,814 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-03 07:32:02,814 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-03 07:32:02,814 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-03 07:32:02,814 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-03 07:32:02,814 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-03 07:32:02,814 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-03 07:32:02,815 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-03 07:32:03,064 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-03 07:32:03,090 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-03 07:32:03,093 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-03 07:32:03,094 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-03 07:32:03,095 INFO L275 PluginConnector]: CDTParser initialized [2023-04-03 07:32:03,096 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-irda-via-ircc.cil.i [2023-04-03 07:32:04,240 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-03 07:32:04,831 INFO L351 CDTParser]: Found 1 translation units. [2023-04-03 07:32:04,832 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-irda-via-ircc.cil.i [2023-04-03 07:32:04,889 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee139aa1c/e302335d43bd4d47949db73c9eacffcc/FLAG8736eb505 [2023-04-03 07:32:04,904 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee139aa1c/e302335d43bd4d47949db73c9eacffcc [2023-04-03 07:32:04,907 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-03 07:32:04,909 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-03 07:32:04,911 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-03 07:32:04,912 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-03 07:32:04,915 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-03 07:32:04,916 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 07:32:04" (1/1) ... [2023-04-03 07:32:04,917 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59c8bed0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 07:32:04, skipping insertion in model container [2023-04-03 07:32:04,917 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 07:32:04" (1/1) ... [2023-04-03 07:32:04,924 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-03 07:32:05,053 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-03 07:32:09,111 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-irda-via-ircc.cil.i[329615,329628] [2023-04-03 07:32:09,116 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-irda-via-ircc.cil.i[329784,329797] [2023-04-03 07:32:09,117 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-irda-via-ircc.cil.i[329951,329964] [2023-04-03 07:32:09,117 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-irda-via-ircc.cil.i[330119,330132] [2023-04-03 07:32:09,151 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 07:32:09,193 INFO L203 MainTranslator]: Completed pre-run [2023-04-03 07:32:09,620 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-irda-via-ircc.cil.i[329615,329628] [2023-04-03 07:32:09,621 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-irda-via-ircc.cil.i[329784,329797] [2023-04-03 07:32:09,621 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-irda-via-ircc.cil.i[329951,329964] [2023-04-03 07:32:09,621 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-irda-via-ircc.cil.i[330119,330132] [2023-04-03 07:32:09,628 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 07:32:09,736 WARN L667 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-04-03 07:32:09,743 INFO L208 MainTranslator]: Completed translation [2023-04-03 07:32:09,743 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 07:32:09 WrapperNode [2023-04-03 07:32:09,744 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-03 07:32:09,745 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-03 07:32:09,745 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-03 07:32:09,745 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-03 07:32:09,784 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 07:32:09" (1/1) ... [2023-04-03 07:32:09,784 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 07:32:09" (1/1) ... [2023-04-03 07:32:09,889 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 07:32:09" (1/1) ... [2023-04-03 07:32:09,890 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 07:32:09" (1/1) ... [2023-04-03 07:32:10,008 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 07:32:09" (1/1) ... [2023-04-03 07:32:10,028 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 07:32:09" (1/1) ... [2023-04-03 07:32:10,068 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 07:32:09" (1/1) ... [2023-04-03 07:32:10,093 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 07:32:09" (1/1) ... [2023-04-03 07:32:10,128 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-03 07:32:10,129 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-03 07:32:10,129 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-03 07:32:10,129 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-03 07:32:10,130 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 07:32:09" (1/1) ... [2023-04-03 07:32:10,135 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 07:32:10,144 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 07:32:10,157 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-04-03 07:32:10,179 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-04-03 07:32:10,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-03 07:32:10,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-03 07:32:10,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~gfp_t~0~X~$Pointer$~TO~$Pointer$ [2023-04-03 07:32:10,196 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 07:32:10,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2023-04-03 07:32:10,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-04-03 07:32:10,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-04-03 07:32:10,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-04-03 07:32:10,196 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-04-03 07:32:10,197 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-04-03 07:32:10,197 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2023-04-03 07:32:10,197 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2023-04-03 07:32:10,197 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2023-04-03 07:32:10,197 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-04-03 07:32:10,197 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-04-03 07:32:10,197 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-04-03 07:32:10,197 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-04-03 07:32:10,197 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2023-04-03 07:32:10,197 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2023-04-03 07:32:10,197 INFO L138 BoogieDeclarations]: Found implementation of procedure is_device_dma_capable [2023-04-03 07:32:10,198 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-04-03 07:32:10,198 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_coherent_mask [2023-04-03 07:32:10,198 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_coherent_gfp_flags [2023-04-03 07:32:10,198 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2023-04-03 07:32:10,198 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2023-04-03 07:32:10,198 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_zalloc_coherent [2023-04-03 07:32:10,198 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2023-04-03 07:32:10,198 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2023-04-03 07:32:10,198 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2023-04-03 07:32:10,199 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2023-04-03 07:32:10,199 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_from_linear_data [2023-04-03 07:32:10,199 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_to_linear_data [2023-04-03 07:32:10,199 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-04-03 07:32:10,199 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-04-03 07:32:10,200 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2023-04-03 07:32:10,200 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2023-04-03 07:32:10,200 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2023-04-03 07:32:10,200 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-04-03 07:32:10,201 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2023-04-03 07:32:10,201 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-04-03 07:32:10,201 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_byte [2023-04-03 07:32:10,201 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2023-04-03 07:32:10,202 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-04-03 07:32:10,202 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2023-04-03 07:32:10,202 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2023-04-03 07:32:10,202 INFO L138 BoogieDeclarations]: Found implementation of procedure qdisc_all_tx_empty [2023-04-03 07:32:10,202 INFO L138 BoogieDeclarations]: Found implementation of procedure irda_device_txqueue_empty [2023-04-03 07:32:10,202 INFO L138 BoogieDeclarations]: Found implementation of procedure irda_get_next_speed [2023-04-03 07:32:10,202 INFO L138 BoogieDeclarations]: Found implementation of procedure DisableDmaChannel [2023-04-03 07:32:10,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ReadLPCReg [2023-04-03 07:32:10,203 INFO L138 BoogieDeclarations]: Found implementation of procedure WriteLPCReg [2023-04-03 07:32:10,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ReadReg [2023-04-03 07:32:10,203 INFO L138 BoogieDeclarations]: Found implementation of procedure WriteReg [2023-04-03 07:32:10,204 INFO L138 BoogieDeclarations]: Found implementation of procedure WriteRegBit [2023-04-03 07:32:10,204 INFO L138 BoogieDeclarations]: Found implementation of procedure CheckRegBit [2023-04-03 07:32:10,204 INFO L138 BoogieDeclarations]: Found implementation of procedure SetMaxRxPacketSize [2023-04-03 07:32:10,204 INFO L138 BoogieDeclarations]: Found implementation of procedure SetFIFO [2023-04-03 07:32:10,204 INFO L138 BoogieDeclarations]: Found implementation of procedure SetTimer [2023-04-03 07:32:10,204 INFO L138 BoogieDeclarations]: Found implementation of procedure SetSendByte [2023-04-03 07:32:10,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ResetChip [2023-04-03 07:32:10,204 INFO L138 BoogieDeclarations]: Found implementation of procedure CkRxRecv [2023-04-03 07:32:10,205 INFO L138 BoogieDeclarations]: Found implementation of procedure RxCurCount [2023-04-03 07:32:10,205 INFO L138 BoogieDeclarations]: Found implementation of procedure GetRecvByte [2023-04-03 07:32:10,205 INFO L138 BoogieDeclarations]: Found implementation of procedure Sdelay [2023-04-03 07:32:10,205 INFO L138 BoogieDeclarations]: Found implementation of procedure Tdelay [2023-04-03 07:32:10,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ActClk [2023-04-03 07:32:10,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ClkTx [2023-04-03 07:32:10,205 INFO L138 BoogieDeclarations]: Found implementation of procedure Wr_Byte [2023-04-03 07:32:10,205 INFO L138 BoogieDeclarations]: Found implementation of procedure Rd_Indx [2023-04-03 07:32:10,205 INFO L138 BoogieDeclarations]: Found implementation of procedure Wr_Indx [2023-04-03 07:32:10,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ResetDongle [2023-04-03 07:32:10,206 INFO L138 BoogieDeclarations]: Found implementation of procedure SetSITmode [2023-04-03 07:32:10,207 INFO L138 BoogieDeclarations]: Found implementation of procedure SI_SetMode [2023-04-03 07:32:10,207 INFO L138 BoogieDeclarations]: Found implementation of procedure InitCard [2023-04-03 07:32:10,207 INFO L138 BoogieDeclarations]: Found implementation of procedure CommonInit [2023-04-03 07:32:10,207 INFO L138 BoogieDeclarations]: Found implementation of procedure SetBaudRate [2023-04-03 07:32:10,208 INFO L138 BoogieDeclarations]: Found implementation of procedure SetPulseWidth [2023-04-03 07:32:10,208 INFO L138 BoogieDeclarations]: Found implementation of procedure SetSendPreambleCount [2023-04-03 07:32:10,208 INFO L138 BoogieDeclarations]: Found implementation of procedure SetVFIR [2023-04-03 07:32:10,208 INFO L138 BoogieDeclarations]: Found implementation of procedure SetFIR [2023-04-03 07:32:10,208 INFO L138 BoogieDeclarations]: Found implementation of procedure SetMIR [2023-04-03 07:32:10,208 INFO L138 BoogieDeclarations]: Found implementation of procedure SetSIR [2023-04-03 07:32:10,208 INFO L138 BoogieDeclarations]: Found implementation of procedure iodelay [2023-04-03 07:32:10,208 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_init [2023-04-03 07:32:10,208 INFO L138 BoogieDeclarations]: Found implementation of procedure via_init_one [2023-04-03 07:32:10,209 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_cleanup [2023-04-03 07:32:10,209 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_open [2023-04-03 07:32:10,209 INFO L138 BoogieDeclarations]: Found implementation of procedure via_remove_one [2023-04-03 07:32:10,209 INFO L138 BoogieDeclarations]: Found implementation of procedure via_hw_init [2023-04-03 07:32:10,209 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_read_dongle_id [2023-04-03 07:32:10,209 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_change_dongle_speed [2023-04-03 07:32:10,209 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_change_speed [2023-04-03 07:32:10,209 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_hard_xmit_sir [2023-04-03 07:32:10,209 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_hard_xmit_fir [2023-04-03 07:32:10,210 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_dma_xmit [2023-04-03 07:32:10,210 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_dma_xmit_complete [2023-04-03 07:32:10,210 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_dma_receive [2023-04-03 07:32:10,210 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_dma_receive_complete [2023-04-03 07:32:10,210 INFO L138 BoogieDeclarations]: Found implementation of procedure upload_rxdata [2023-04-03 07:32:10,210 INFO L138 BoogieDeclarations]: Found implementation of procedure RxTimerHandler [2023-04-03 07:32:10,210 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_interrupt [2023-04-03 07:32:10,210 INFO L138 BoogieDeclarations]: Found implementation of procedure hwreset [2023-04-03 07:32:10,211 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_is_receiving [2023-04-03 07:32:10,211 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_net_open [2023-04-03 07:32:10,211 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_net_close [2023-04-03 07:32:10,211 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_net_ioctl [2023-04-03 07:32:10,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_via_ircc_cleanup_10_2 [2023-04-03 07:32:10,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_init_via_ircc_init_10_7 [2023-04-03 07:32:10,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___pci_register_driver [2023-04-03 07:32:10,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_allocate_external_0 [2023-04-03 07:32:10,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_deregister_7_1 [2023-04-03 07:32:10,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_deregister_8_1 [2023-04-03 07:32:10,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_irq_deregister_3_1 [2023-04-03 07:32:10,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_irq_register_6_2 [2023-04-03 07:32:10,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_5_4 [2023-04-03 07:32:10,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_9_2 [2023-04-03 07:32:10,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_3 [2023-04-03 07:32:10,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_9 [2023-04-03 07:32:10,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_entry_EMGentry_10 [2023-04-03 07:32:10,221 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-03 07:32:10,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2023-04-03 07:32:10,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-04-03 07:32:10,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_external_data [2023-04-03 07:32:10,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_instance_handler_0_5 [2023-04-03 07:32:10,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_instance_thread_0_3 [2023-04-03 07:32:10,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_0 [2023-04-03 07:32:10,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_net_dummy_resourceless_instance_1 [2023-04-03 07:32:10,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_instance_probe_2_17 [2023-04-03 07:32:10,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_instance_release_2_2 [2023-04-03 07:32:10,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_instance_resume_2_5 [2023-04-03 07:32:10,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_instance_resume_early_2_6 [2023-04-03 07:32:10,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_instance_shutdown_2_3 [2023-04-03 07:32:10,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_instance_suspend_2_8 [2023-04-03 07:32:10,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_instance_suspend_late_2_7 [2023-04-03 07:32:10,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_pci_instance_2 [2023-04-03 07:32:10,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_unregister_driver [2023-04-03 07:32:10,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev [2023-04-03 07:32:10,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_open_5_6 [2023-04-03 07:32:10,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2023-04-03 07:32:10,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-04-03 07:32:10,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_1 [2023-04-03 07:32:10,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_6 [2023-04-03 07:32:10,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_1 [2023-04-03 07:32:10,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_5 [2023-04-03 07:32:10,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_2_11 [2023-04-03 07:32:10,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_2_20 [2023-04-03 07:32:10,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2023-04-03 07:32:10,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_stop_7_2 [2023-04-03 07:32:10,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata_58 [2023-04-03 07:32:10,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata_59 [2023-04-03 07:32:10,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___pci_register_driver_66 [2023-04-03 07:32:10,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_unregister_driver_67 [2023-04-03 07:32:10,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_68 [2023-04-03 07:32:10,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_69 [2023-04-03 07:32:10,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_70 [2023-04-03 07:32:10,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_71 [2023-04-03 07:32:10,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_72 [2023-04-03 07:32:10,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_73 [2023-04-03 07:32:10,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_74 [2023-04-03 07:32:10,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_76 [2023-04-03 07:32:10,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_77 [2023-04-03 07:32:10,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_78 [2023-04-03 07:32:10,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_79 [2023-04-03 07:32:10,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_80 [2023-04-03 07:32:10,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_81 [2023-04-03 07:32:10,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_82 [2023-04-03 07:32:10,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2023-04-03 07:32:10,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-04-03 07:32:10,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spi_alloc_master [2023-04-03 07:32:10,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-04-03 07:32:10,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2023-04-03 07:32:10,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2023-04-03 07:32:10,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2023-04-03 07:32:10,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-04-03 07:32:10,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_init [2023-04-03 07:32:10,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2023-04-03 07:32:10,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-04-03 07:32:10,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kzalloc [2023-04-03 07:32:10,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-04-03 07:32:10,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-04-03 07:32:10,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-04-03 07:32:10,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2023-04-03 07:32:10,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-04-03 07:32:10,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc [2023-04-03 07:32:10,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-04-03 07:32:10,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-04-03 07:32:10,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-04-03 07:32:10,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xzalloc [2023-04-03 07:32:10,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-04-03 07:32:10,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2023-04-03 07:32:10,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_negative [2023-04-03 07:32:10,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_nonpositive [2023-04-03 07:32:10,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_create [2023-04-03 07:32:10,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_create_N [2023-04-03 07:32:10,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_join [2023-04-03 07:32:10,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_join_N [2023-04-03 07:32:10,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_NOT_ARG_SIGN [2023-04-03 07:32:10,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_NOT_ARG_SIGN [2023-04-03 07:32:10,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_NOT_ARG_SIGN [2023-04-03 07:32:10,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_NOT_ARG_SIGN [2023-04-03 07:32:10,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_NOT_ARG_SIGN [2023-04-03 07:32:10,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_NOT_ARG_SIGN [2023-04-03 07:32:10,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_NOT_ARG_SIGN [2023-04-03 07:32:10,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_NOT_ARG_SIGN [2023-04-03 07:32:10,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock__xmit_lock_of_netdev_queue [2023-04-03 07:32:10,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock__xmit_lock_of_netdev_queue [2023-04-03 07:32:10,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock__xmit_lock_of_netdev_queue [2023-04-03 07:32:10,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait__xmit_lock_of_netdev_queue [2023-04-03 07:32:10,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked__xmit_lock_of_netdev_queue [2023-04-03 07:32:10,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock__xmit_lock_of_netdev_queue [2023-04-03 07:32:10,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended__xmit_lock_of_netdev_queue [2023-04-03 07:32:10,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock__xmit_lock_of_netdev_queue [2023-04-03 07:32:10,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_addr_list_lock_of_net_device [2023-04-03 07:32:10,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_addr_list_lock_of_net_device [2023-04-03 07:32:10,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_addr_list_lock_of_net_device [2023-04-03 07:32:10,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_addr_list_lock_of_net_device [2023-04-03 07:32:10,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_addr_list_lock_of_net_device [2023-04-03 07:32:10,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_addr_list_lock_of_net_device [2023-04-03 07:32:10,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_addr_list_lock_of_net_device [2023-04-03 07:32:10,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_addr_list_lock_of_net_device [2023-04-03 07:32:10,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_alloc_lock_of_task_struct [2023-04-03 07:32:10,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_alloc_lock_of_task_struct [2023-04-03 07:32:10,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_alloc_lock_of_task_struct [2023-04-03 07:32:10,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_alloc_lock_of_task_struct [2023-04-03 07:32:10,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_alloc_lock_of_task_struct [2023-04-03 07:32:10,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_alloc_lock_of_task_struct [2023-04-03 07:32:10,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_alloc_lock_of_task_struct [2023-04-03 07:32:10,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_alloc_lock_of_task_struct [2023-04-03 07:32:10,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_dma_spin_lock [2023-04-03 07:32:10,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_dma_spin_lock [2023-04-03 07:32:10,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_dma_spin_lock [2023-04-03 07:32:10,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_dma_spin_lock [2023-04-03 07:32:10,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_dma_spin_lock [2023-04-03 07:32:10,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_dma_spin_lock [2023-04-03 07:32:10,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_dma_spin_lock [2023-04-03 07:32:10,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_dma_spin_lock [2023-04-03 07:32:10,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_i_lock_of_inode [2023-04-03 07:32:10,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_i_lock_of_inode [2023-04-03 07:32:10,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_i_lock_of_inode [2023-04-03 07:32:10,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_i_lock_of_inode [2023-04-03 07:32:10,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_i_lock_of_inode [2023-04-03 07:32:10,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_i_lock_of_inode [2023-04-03 07:32:10,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_i_lock_of_inode [2023-04-03 07:32:10,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_i_lock_of_inode [2023-04-03 07:32:10,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock [2023-04-03 07:32:10,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock [2023-04-03 07:32:10,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_lock [2023-04-03 07:32:10,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_lock [2023-04-03 07:32:10,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_lock [2023-04-03 07:32:10,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_lock [2023-04-03 07:32:10,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_lock [2023-04-03 07:32:10,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_lock [2023-04-03 07:32:10,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_NOT_ARG_SIGN [2023-04-03 07:32:10,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_NOT_ARG_SIGN [2023-04-03 07:32:10,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_lock_of_NOT_ARG_SIGN [2023-04-03 07:32:10,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_lock_of_NOT_ARG_SIGN [2023-04-03 07:32:10,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_lock_of_NOT_ARG_SIGN [2023-04-03 07:32:10,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_lock_of_NOT_ARG_SIGN [2023-04-03 07:32:10,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_lock_of_NOT_ARG_SIGN [2023-04-03 07:32:10,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_lock_of_NOT_ARG_SIGN [2023-04-03 07:32:10,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_via_ircc_cb [2023-04-03 07:32:10,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_via_ircc_cb [2023-04-03 07:32:10,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_lock_of_via_ircc_cb [2023-04-03 07:32:10,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_lock_of_via_ircc_cb [2023-04-03 07:32:10,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_lock_of_via_ircc_cb [2023-04-03 07:32:10,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_lock_of_via_ircc_cb [2023-04-03 07:32:10,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_lock_of_via_ircc_cb [2023-04-03 07:32:10,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_lock_of_via_ircc_cb [2023-04-03 07:32:10,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lru_lock_of_netns_frags [2023-04-03 07:32:10,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lru_lock_of_netns_frags [2023-04-03 07:32:10,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_lru_lock_of_netns_frags [2023-04-03 07:32:10,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_lru_lock_of_netns_frags [2023-04-03 07:32:10,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_lru_lock_of_netns_frags [2023-04-03 07:32:10,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_lru_lock_of_netns_frags [2023-04-03 07:32:10,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_lru_lock_of_netns_frags [2023-04-03 07:32:10,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_lru_lock_of_netns_frags [2023-04-03 07:32:10,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_node_size_lock_of_pglist_data [2023-04-03 07:32:10,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_node_size_lock_of_pglist_data [2023-04-03 07:32:10,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_node_size_lock_of_pglist_data [2023-04-03 07:32:10,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_node_size_lock_of_pglist_data [2023-04-03 07:32:10,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_node_size_lock_of_pglist_data [2023-04-03 07:32:10,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_node_size_lock_of_pglist_data [2023-04-03 07:32:10,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_node_size_lock_of_pglist_data [2023-04-03 07:32:10,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_node_size_lock_of_pglist_data [2023-04-03 07:32:10,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_ptl [2023-04-03 07:32:10,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_ptl [2023-04-03 07:32:10,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_ptl [2023-04-03 07:32:10,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_ptl [2023-04-03 07:32:10,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_ptl [2023-04-03 07:32:10,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_ptl [2023-04-03 07:32:10,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_ptl [2023-04-03 07:32:10,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_ptl [2023-04-03 07:32:10,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_siglock_of_sighand_struct [2023-04-03 07:32:10,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_siglock_of_sighand_struct [2023-04-03 07:32:10,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_siglock_of_sighand_struct [2023-04-03 07:32:10,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_siglock_of_sighand_struct [2023-04-03 07:32:10,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_siglock_of_sighand_struct [2023-04-03 07:32:10,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_siglock_of_sighand_struct [2023-04-03 07:32:10,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_siglock_of_sighand_struct [2023-04-03 07:32:10,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_siglock_of_sighand_struct [2023-04-03 07:32:10,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_tx_global_lock_of_net_device [2023-04-03 07:32:10,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_tx_global_lock_of_net_device [2023-04-03 07:32:10,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_tx_global_lock_of_net_device [2023-04-03 07:32:10,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_tx_global_lock_of_net_device [2023-04-03 07:32:10,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_tx_global_lock_of_net_device [2023-04-03 07:32:10,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_tx_global_lock_of_net_device [2023-04-03 07:32:10,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_tx_global_lock_of_net_device [2023-04-03 07:32:10,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_tx_global_lock_of_net_device [2023-04-03 07:32:10,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-04-03 07:32:10,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2023-04-03 07:32:10,238 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-03 07:32:10,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-04-03 07:32:10,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2023-04-03 07:32:10,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-04-03 07:32:10,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-04-03 07:32:10,238 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-04-03 07:32:10,238 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2023-04-03 07:32:10,238 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2023-04-03 07:32:10,238 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2023-04-03 07:32:10,239 INFO L138 BoogieDeclarations]: Found implementation of procedure __pci_register_driver [2023-04-03 07:32:10,239 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-04-03 07:32:10,239 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2023-04-03 07:32:10,239 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2023-04-03 07:32:10,239 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2023-04-03 07:32:10,239 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2023-04-03 07:32:10,239 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2023-04-03 07:32:10,239 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_irdadev [2023-04-03 07:32:10,239 INFO L138 BoogieDeclarations]: Found implementation of procedure async_wrap_skb [2023-04-03 07:32:10,239 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2023-04-03 07:32:10,239 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2023-04-03 07:32:10,239 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_alloc_coherent [2023-04-03 07:32:10,239 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_free_coherent [2023-04-03 07:32:10,239 INFO L138 BoogieDeclarations]: Found implementation of procedure free_dma [2023-04-03 07:32:10,240 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-04-03 07:32:10,240 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-04-03 07:32:10,240 INFO L138 BoogieDeclarations]: Found implementation of procedure irda_device_set_media_busy [2023-04-03 07:32:10,240 INFO L138 BoogieDeclarations]: Found implementation of procedure irda_init_max_qos_capabilies [2023-04-03 07:32:10,240 INFO L138 BoogieDeclarations]: Found implementation of procedure irda_qos_bits_to_value [2023-04-03 07:32:10,240 INFO L138 BoogieDeclarations]: Found implementation of procedure irda_setup_dma [2023-04-03 07:32:10,240 INFO L138 BoogieDeclarations]: Found implementation of procedure irlap_close [2023-04-03 07:32:10,240 INFO L138 BoogieDeclarations]: Found implementation of procedure irlap_open [2023-04-03 07:32:10,240 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2023-04-03 07:32:10,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2023-04-03 07:32:10,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2023-04-03 07:32:10,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-04-03 07:32:10,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2023-04-03 07:32:10,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2023-04-03 07:32:10,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_register_netdev [2023-04-03 07:32:10,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-04-03 07:32:10,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-04-03 07:32:10,241 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2023-04-03 07:32:10,241 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2023-04-03 07:32:10,241 INFO L138 BoogieDeclarations]: Found implementation of procedure netpoll_trap [2023-04-03 07:32:10,241 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_read_config_byte [2023-04-03 07:32:10,241 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_write_config_byte [2023-04-03 07:32:10,241 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-04-03 07:32:10,241 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2023-04-03 07:32:10,241 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2023-04-03 07:32:10,241 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-04-03 07:32:10,241 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2023-04-03 07:32:10,241 INFO L138 BoogieDeclarations]: Found implementation of procedure request_dma [2023-04-03 07:32:10,242 INFO L138 BoogieDeclarations]: Found implementation of procedure request_threaded_irq [2023-04-03 07:32:10,242 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2023-04-03 07:32:10,242 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2023-04-03 07:32:10,242 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-04-03 07:32:10,242 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-04-03 07:32:10,242 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-04-03 07:32:10,242 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-04-03 07:32:10,242 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-04-03 07:32:10,242 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2023-04-03 07:32:10,242 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-04-03 07:32:10,242 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-04-03 07:32:10,242 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-04-03 07:32:10,243 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2023-04-03 07:32:10,243 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-04-03 07:32:10,243 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-04-03 07:32:10,243 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2023-04-03 07:32:10,243 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-04-03 07:32:10,243 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2023-04-03 07:32:10,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-03 07:32:10,243 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2023-04-03 07:32:10,243 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2023-04-03 07:32:10,243 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_72 [2023-04-03 07:32:10,243 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_74 [2023-04-03 07:32:10,243 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_82 [2023-04-03 07:32:10,243 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_via_ircc_cb [2023-04-03 07:32:10,244 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_via_ircc_cb [2023-04-03 07:32:10,244 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2023-04-03 07:32:10,244 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_init [2023-04-03 07:32:10,244 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2023-04-03 07:32:10,244 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2023-04-03 07:32:10,244 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-04-03 07:32:10,244 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_register_netdev [2023-04-03 07:32:10,244 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-04-03 07:32:10,244 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-04-03 07:32:10,244 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-04-03 07:32:10,244 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-04-03 07:32:10,244 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-04-03 07:32:10,244 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-04-03 07:32:10,245 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-04-03 07:32:10,245 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-04-03 07:32:10,245 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-04-03 07:32:10,245 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2023-04-03 07:32:10,245 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2023-04-03 07:32:10,245 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2023-04-03 07:32:10,245 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-04-03 07:32:10,245 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-04-03 07:32:10,245 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_76 [2023-04-03 07:32:10,245 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-04-03 07:32:10,245 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_77 [2023-04-03 07:32:10,245 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-04-03 07:32:10,245 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_73 [2023-04-03 07:32:10,246 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2023-04-03 07:32:10,246 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2023-04-03 07:32:10,246 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2023-04-03 07:32:10,246 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2023-04-03 07:32:10,246 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata_58 [2023-04-03 07:32:10,246 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata_59 [2023-04-03 07:32:10,246 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-04-03 07:32:10,246 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2023-04-03 07:32:10,246 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2023-04-03 07:32:10,246 INFO L130 BoogieDeclarations]: Found specification of procedure is_device_dma_capable [2023-04-03 07:32:10,246 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-03 07:32:10,246 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_alloc_coherent [2023-04-03 07:32:10,246 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_free_coherent [2023-04-03 07:32:10,246 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-04-03 07:32:10,247 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_coherent_mask [2023-04-03 07:32:10,247 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_coherent_gfp_flags [2023-04-03 07:32:10,247 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2023-04-03 07:32:10,247 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~gfp_t~0~X~$Pointer$~TO~$Pointer$ [2023-04-03 07:32:10,247 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2023-04-03 07:32:10,247 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-03 07:32:10,247 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 07:32:10,247 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-04-03 07:32:10,247 INFO L130 BoogieDeclarations]: Found specification of procedure dma_zalloc_coherent [2023-04-03 07:32:10,247 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2023-04-03 07:32:10,247 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2023-04-03 07:32:10,247 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2023-04-03 07:32:10,247 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2023-04-03 07:32:10,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-03 07:32:10,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-03 07:32:10,248 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2023-04-03 07:32:10,248 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2023-04-03 07:32:10,248 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2023-04-03 07:32:10,248 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2023-04-03 07:32:10,248 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_from_linear_data [2023-04-03 07:32:10,248 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-04-03 07:32:10,248 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_to_linear_data [2023-04-03 07:32:10,248 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-04-03 07:32:10,248 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-04-03 07:32:10,248 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-04-03 07:32:10,248 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_69 [2023-04-03 07:32:10,249 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_71 [2023-04-03 07:32:10,249 INFO L130 BoogieDeclarations]: Found specification of procedure netpoll_trap [2023-04-03 07:32:10,249 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2023-04-03 07:32:10,249 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2023-04-03 07:32:10,249 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2023-04-03 07:32:10,249 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2023-04-03 07:32:10,249 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-04-03 07:32:10,249 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2023-04-03 07:32:10,249 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-04-03 07:32:10,249 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2023-04-03 07:32:10,249 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2023-04-03 07:32:10,249 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_68 [2023-04-03 07:32:10,249 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2023-04-03 07:32:10,250 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_70 [2023-04-03 07:32:10,250 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_read_config_byte [2023-04-03 07:32:10,250 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_write_config_byte [2023-04-03 07:32:10,250 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_byte [2023-04-03 07:32:10,250 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2023-04-03 07:32:10,250 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2023-04-03 07:32:10,250 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-04-03 07:32:10,250 INFO L130 BoogieDeclarations]: Found specification of procedure __pci_register_driver [2023-04-03 07:32:10,250 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___pci_register_driver_66 [2023-04-03 07:32:10,250 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2023-04-03 07:32:10,250 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_unregister_driver_67 [2023-04-03 07:32:10,250 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-04-03 07:32:10,251 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2023-04-03 07:32:10,251 INFO L130 BoogieDeclarations]: Found specification of procedure request_threaded_irq [2023-04-03 07:32:10,251 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2023-04-03 07:32:10,251 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_78 [2023-04-03 07:32:10,251 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-04-03 07:32:10,251 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_79 [2023-04-03 07:32:10,251 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_80 [2023-04-03 07:32:10,251 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_81 [2023-04-03 07:32:10,251 INFO L130 BoogieDeclarations]: Found specification of procedure request_dma [2023-04-03 07:32:10,251 INFO L130 BoogieDeclarations]: Found specification of procedure free_dma [2023-04-03 07:32:10,251 INFO L130 BoogieDeclarations]: Found specification of procedure qdisc_all_tx_empty [2023-04-03 07:32:10,251 INFO L130 BoogieDeclarations]: Found specification of procedure irda_init_max_qos_capabilies [2023-04-03 07:32:10,251 INFO L130 BoogieDeclarations]: Found specification of procedure irda_qos_bits_to_value [2023-04-03 07:32:10,251 INFO L130 BoogieDeclarations]: Found specification of procedure irlap_open [2023-04-03 07:32:10,251 INFO L130 BoogieDeclarations]: Found specification of procedure irlap_close [2023-04-03 07:32:10,252 INFO L130 BoogieDeclarations]: Found specification of procedure irda_device_set_media_busy [2023-04-03 07:32:10,252 INFO L130 BoogieDeclarations]: Found specification of procedure irda_device_txqueue_empty [2023-04-03 07:32:10,252 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_irdadev [2023-04-03 07:32:10,252 INFO L130 BoogieDeclarations]: Found specification of procedure irda_setup_dma [2023-04-03 07:32:10,252 INFO L130 BoogieDeclarations]: Found specification of procedure irda_get_next_speed [2023-04-03 07:32:10,252 INFO L130 BoogieDeclarations]: Found specification of procedure async_wrap_skb [2023-04-03 07:32:10,252 INFO L130 BoogieDeclarations]: Found specification of procedure DisableDmaChannel [2023-04-03 07:32:10,252 INFO L130 BoogieDeclarations]: Found specification of procedure ReadLPCReg [2023-04-03 07:32:10,252 INFO L130 BoogieDeclarations]: Found specification of procedure WriteLPCReg [2023-04-03 07:32:10,252 INFO L130 BoogieDeclarations]: Found specification of procedure ReadReg [2023-04-03 07:32:10,252 INFO L130 BoogieDeclarations]: Found specification of procedure WriteReg [2023-04-03 07:32:10,252 INFO L130 BoogieDeclarations]: Found specification of procedure WriteRegBit [2023-04-03 07:32:10,252 INFO L130 BoogieDeclarations]: Found specification of procedure CheckRegBit [2023-04-03 07:32:10,252 INFO L130 BoogieDeclarations]: Found specification of procedure SetMaxRxPacketSize [2023-04-03 07:32:10,253 INFO L130 BoogieDeclarations]: Found specification of procedure SetFIFO [2023-04-03 07:32:10,253 INFO L130 BoogieDeclarations]: Found specification of procedure SetTimer [2023-04-03 07:32:10,253 INFO L130 BoogieDeclarations]: Found specification of procedure SetSendByte [2023-04-03 07:32:10,253 INFO L130 BoogieDeclarations]: Found specification of procedure ResetChip [2023-04-03 07:32:10,253 INFO L130 BoogieDeclarations]: Found specification of procedure CkRxRecv [2023-04-03 07:32:10,253 INFO L130 BoogieDeclarations]: Found specification of procedure RxCurCount [2023-04-03 07:32:10,253 INFO L130 BoogieDeclarations]: Found specification of procedure GetRecvByte [2023-04-03 07:32:10,253 INFO L130 BoogieDeclarations]: Found specification of procedure Sdelay [2023-04-03 07:32:10,253 INFO L130 BoogieDeclarations]: Found specification of procedure Tdelay [2023-04-03 07:32:10,253 INFO L130 BoogieDeclarations]: Found specification of procedure ActClk [2023-04-03 07:32:10,253 INFO L130 BoogieDeclarations]: Found specification of procedure ClkTx [2023-04-03 07:32:10,253 INFO L130 BoogieDeclarations]: Found specification of procedure Wr_Byte [2023-04-03 07:32:10,253 INFO L130 BoogieDeclarations]: Found specification of procedure Rd_Indx [2023-04-03 07:32:10,254 INFO L130 BoogieDeclarations]: Found specification of procedure Wr_Indx [2023-04-03 07:32:10,254 INFO L130 BoogieDeclarations]: Found specification of procedure ResetDongle [2023-04-03 07:32:10,254 INFO L130 BoogieDeclarations]: Found specification of procedure SetSITmode [2023-04-03 07:32:10,254 INFO L130 BoogieDeclarations]: Found specification of procedure SI_SetMode [2023-04-03 07:32:10,254 INFO L130 BoogieDeclarations]: Found specification of procedure InitCard [2023-04-03 07:32:10,254 INFO L130 BoogieDeclarations]: Found specification of procedure CommonInit [2023-04-03 07:32:10,254 INFO L130 BoogieDeclarations]: Found specification of procedure SetBaudRate [2023-04-03 07:32:10,254 INFO L130 BoogieDeclarations]: Found specification of procedure SetPulseWidth [2023-04-03 07:32:10,254 INFO L130 BoogieDeclarations]: Found specification of procedure SetSendPreambleCount [2023-04-03 07:32:10,254 INFO L130 BoogieDeclarations]: Found specification of procedure SetVFIR [2023-04-03 07:32:10,254 INFO L130 BoogieDeclarations]: Found specification of procedure SetFIR [2023-04-03 07:32:10,254 INFO L130 BoogieDeclarations]: Found specification of procedure SetMIR [2023-04-03 07:32:10,254 INFO L130 BoogieDeclarations]: Found specification of procedure SetSIR [2023-04-03 07:32:10,254 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_open [2023-04-03 07:32:10,255 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_dma_receive [2023-04-03 07:32:10,255 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_dma_receive_complete [2023-04-03 07:32:10,255 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_hard_xmit_sir [2023-04-03 07:32:10,255 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_hard_xmit_fir [2023-04-03 07:32:10,255 INFO L130 BoogieDeclarations]: Found specification of procedure via_hw_init [2023-04-03 07:32:10,255 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_change_speed [2023-04-03 07:32:10,255 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_interrupt [2023-04-03 07:32:10,255 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_is_receiving [2023-04-03 07:32:10,255 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_read_dongle_id [2023-04-03 07:32:10,255 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_net_open [2023-04-03 07:32:10,255 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_net_close [2023-04-03 07:32:10,255 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_net_ioctl [2023-04-03 07:32:10,255 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_change_dongle_speed [2023-04-03 07:32:10,255 INFO L130 BoogieDeclarations]: Found specification of procedure RxTimerHandler [2023-04-03 07:32:10,256 INFO L130 BoogieDeclarations]: Found specification of procedure hwreset [2023-04-03 07:32:10,256 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_dma_xmit [2023-04-03 07:32:10,256 INFO L130 BoogieDeclarations]: Found specification of procedure upload_rxdata [2023-04-03 07:32:10,256 INFO L130 BoogieDeclarations]: Found specification of procedure via_init_one [2023-04-03 07:32:10,256 INFO L130 BoogieDeclarations]: Found specification of procedure via_remove_one [2023-04-03 07:32:10,256 INFO L130 BoogieDeclarations]: Found specification of procedure iodelay [2023-04-03 07:32:10,256 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_init [2023-04-03 07:32:10,256 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-04-03 07:32:10,256 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-03 07:32:10,256 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_cleanup [2023-04-03 07:32:10,256 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_dma_xmit_complete [2023-04-03 07:32:10,256 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_via_ircc_cleanup_10_2 [2023-04-03 07:32:10,256 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_init_via_ircc_init_10_7 [2023-04-03 07:32:10,257 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___pci_register_driver [2023-04-03 07:32:10,257 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_allocate_external_0 [2023-04-03 07:32:10,257 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_deregister_7_1 [2023-04-03 07:32:10,257 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_deregister_8_1 [2023-04-03 07:32:10,257 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_irq_deregister_3_1 [2023-04-03 07:32:10,257 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_irq_register_6_2 [2023-04-03 07:32:10,257 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_5_4 [2023-04-03 07:32:10,257 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_9_2 [2023-04-03 07:32:10,257 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_3 [2023-04-03 07:32:10,257 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_9 [2023-04-03 07:32:10,257 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_entry_EMGentry_10 [2023-04-03 07:32:10,257 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-03 07:32:10,257 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2023-04-03 07:32:10,257 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-04-03 07:32:10,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_external_data [2023-04-03 07:32:10,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_instance_handler_0_5 [2023-04-03 07:32:10,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_instance_thread_0_3 [2023-04-03 07:32:10,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_0 [2023-04-03 07:32:10,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_net_dummy_resourceless_instance_1 [2023-04-03 07:32:10,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_instance_probe_2_17 [2023-04-03 07:32:10,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_instance_release_2_2 [2023-04-03 07:32:10,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_instance_resume_2_5 [2023-04-03 07:32:10,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_instance_resume_early_2_6 [2023-04-03 07:32:10,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_instance_shutdown_2_3 [2023-04-03 07:32:10,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_instance_suspend_2_8 [2023-04-03 07:32:10,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_instance_suspend_late_2_7 [2023-04-03 07:32:10,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_pci_instance_2 [2023-04-03 07:32:10,259 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_unregister_driver [2023-04-03 07:32:10,259 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev [2023-04-03 07:32:10,259 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_open_5_6 [2023-04-03 07:32:10,259 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2023-04-03 07:32:10,259 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-04-03 07:32:10,259 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_1 [2023-04-03 07:32:10,259 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_6 [2023-04-03 07:32:10,259 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_1 [2023-04-03 07:32:10,259 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_5 [2023-04-03 07:32:10,259 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_2_11 [2023-04-03 07:32:10,259 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_2_20 [2023-04-03 07:32:10,259 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2023-04-03 07:32:10,259 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_stop_7_2 [2023-04-03 07:32:10,259 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-04-03 07:32:10,260 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2023-04-03 07:32:10,260 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-04-03 07:32:10,260 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-04-03 07:32:10,260 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-04-03 07:32:10,260 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xzalloc [2023-04-03 07:32:10,260 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spi_alloc_master [2023-04-03 07:32:10,260 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-04-03 07:32:10,260 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2023-04-03 07:32:10,260 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2023-04-03 07:32:10,260 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2023-04-03 07:32:10,260 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-04-03 07:32:10,260 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-04-03 07:32:10,260 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2023-04-03 07:32:10,261 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kzalloc [2023-04-03 07:32:10,261 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2023-04-03 07:32:10,261 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2023-04-03 07:32:10,261 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2023-04-03 07:32:10,261 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-03 07:32:10,261 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2023-04-03 07:32:10,261 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-03 07:32:10,261 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2023-04-03 07:32:10,261 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-03 07:32:10,261 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-04-03 07:32:10,261 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2023-04-03 07:32:10,261 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_negative [2023-04-03 07:32:10,261 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_nonpositive [2023-04-03 07:32:10,261 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-03 07:32:10,262 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2023-04-03 07:32:10,262 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_create [2023-04-03 07:32:10,262 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_create_N [2023-04-03 07:32:10,262 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_join [2023-04-03 07:32:10,262 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_join_N [2023-04-03 07:32:10,262 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-04-03 07:32:10,262 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2023-04-03 07:32:10,262 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-04-03 07:32:10,262 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-04-03 07:32:10,262 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_NOT_ARG_SIGN [2023-04-03 07:32:10,262 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_NOT_ARG_SIGN [2023-04-03 07:32:10,262 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_NOT_ARG_SIGN [2023-04-03 07:32:10,262 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_NOT_ARG_SIGN [2023-04-03 07:32:10,262 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_NOT_ARG_SIGN [2023-04-03 07:32:10,263 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_NOT_ARG_SIGN [2023-04-03 07:32:10,263 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_NOT_ARG_SIGN [2023-04-03 07:32:10,263 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_NOT_ARG_SIGN [2023-04-03 07:32:10,263 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock__xmit_lock_of_netdev_queue [2023-04-03 07:32:10,263 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock__xmit_lock_of_netdev_queue [2023-04-03 07:32:10,263 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock__xmit_lock_of_netdev_queue [2023-04-03 07:32:10,263 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait__xmit_lock_of_netdev_queue [2023-04-03 07:32:10,263 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked__xmit_lock_of_netdev_queue [2023-04-03 07:32:10,263 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock__xmit_lock_of_netdev_queue [2023-04-03 07:32:10,263 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended__xmit_lock_of_netdev_queue [2023-04-03 07:32:10,263 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock__xmit_lock_of_netdev_queue [2023-04-03 07:32:10,263 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_addr_list_lock_of_net_device [2023-04-03 07:32:10,263 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_addr_list_lock_of_net_device [2023-04-03 07:32:10,264 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_addr_list_lock_of_net_device [2023-04-03 07:32:10,264 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_addr_list_lock_of_net_device [2023-04-03 07:32:10,264 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_addr_list_lock_of_net_device [2023-04-03 07:32:10,264 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_addr_list_lock_of_net_device [2023-04-03 07:32:10,264 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_addr_list_lock_of_net_device [2023-04-03 07:32:10,264 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_addr_list_lock_of_net_device [2023-04-03 07:32:10,264 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_alloc_lock_of_task_struct [2023-04-03 07:32:10,264 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_alloc_lock_of_task_struct [2023-04-03 07:32:10,264 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_alloc_lock_of_task_struct [2023-04-03 07:32:10,264 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_alloc_lock_of_task_struct [2023-04-03 07:32:10,264 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_alloc_lock_of_task_struct [2023-04-03 07:32:10,264 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_alloc_lock_of_task_struct [2023-04-03 07:32:10,264 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_alloc_lock_of_task_struct [2023-04-03 07:32:10,264 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_alloc_lock_of_task_struct [2023-04-03 07:32:10,265 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_dma_spin_lock [2023-04-03 07:32:10,265 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_dma_spin_lock [2023-04-03 07:32:10,265 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_dma_spin_lock [2023-04-03 07:32:10,265 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_dma_spin_lock [2023-04-03 07:32:10,265 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_dma_spin_lock [2023-04-03 07:32:10,265 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_dma_spin_lock [2023-04-03 07:32:10,265 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_dma_spin_lock [2023-04-03 07:32:10,265 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_dma_spin_lock [2023-04-03 07:32:10,265 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_i_lock_of_inode [2023-04-03 07:32:10,265 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_i_lock_of_inode [2023-04-03 07:32:10,265 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_i_lock_of_inode [2023-04-03 07:32:10,265 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_i_lock_of_inode [2023-04-03 07:32:10,265 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_i_lock_of_inode [2023-04-03 07:32:10,266 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_i_lock_of_inode [2023-04-03 07:32:10,266 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_i_lock_of_inode [2023-04-03 07:32:10,266 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_i_lock_of_inode [2023-04-03 07:32:10,266 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock [2023-04-03 07:32:10,266 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock [2023-04-03 07:32:10,266 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_lock [2023-04-03 07:32:10,266 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_lock [2023-04-03 07:32:10,266 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_lock [2023-04-03 07:32:10,266 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_lock [2023-04-03 07:32:10,266 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_lock [2023-04-03 07:32:10,266 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_lock [2023-04-03 07:32:10,266 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_NOT_ARG_SIGN [2023-04-03 07:32:10,266 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_NOT_ARG_SIGN [2023-04-03 07:32:10,267 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_lock_of_NOT_ARG_SIGN [2023-04-03 07:32:10,267 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_lock_of_NOT_ARG_SIGN [2023-04-03 07:32:10,267 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_lock_of_NOT_ARG_SIGN [2023-04-03 07:32:10,267 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_lock_of_NOT_ARG_SIGN [2023-04-03 07:32:10,267 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_lock_of_NOT_ARG_SIGN [2023-04-03 07:32:10,267 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_lock_of_NOT_ARG_SIGN [2023-04-03 07:32:10,267 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_lock_of_via_ircc_cb [2023-04-03 07:32:10,267 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_lock_of_via_ircc_cb [2023-04-03 07:32:10,267 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_lock_of_via_ircc_cb [2023-04-03 07:32:10,267 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_lock_of_via_ircc_cb [2023-04-03 07:32:10,267 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_lock_of_via_ircc_cb [2023-04-03 07:32:10,267 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_lock_of_via_ircc_cb [2023-04-03 07:32:10,268 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lru_lock_of_netns_frags [2023-04-03 07:32:10,268 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lru_lock_of_netns_frags [2023-04-03 07:32:10,268 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_lru_lock_of_netns_frags [2023-04-03 07:32:10,268 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_lru_lock_of_netns_frags [2023-04-03 07:32:10,268 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_lru_lock_of_netns_frags [2023-04-03 07:32:10,268 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_lru_lock_of_netns_frags [2023-04-03 07:32:10,268 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_lru_lock_of_netns_frags [2023-04-03 07:32:10,268 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_lru_lock_of_netns_frags [2023-04-03 07:32:10,268 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_node_size_lock_of_pglist_data [2023-04-03 07:32:10,268 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_node_size_lock_of_pglist_data [2023-04-03 07:32:10,268 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_node_size_lock_of_pglist_data [2023-04-03 07:32:10,268 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_node_size_lock_of_pglist_data [2023-04-03 07:32:10,268 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_node_size_lock_of_pglist_data [2023-04-03 07:32:10,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_node_size_lock_of_pglist_data [2023-04-03 07:32:10,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_node_size_lock_of_pglist_data [2023-04-03 07:32:10,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_node_size_lock_of_pglist_data [2023-04-03 07:32:10,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_ptl [2023-04-03 07:32:10,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_ptl [2023-04-03 07:32:10,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_ptl [2023-04-03 07:32:10,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_ptl [2023-04-03 07:32:10,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_ptl [2023-04-03 07:32:10,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_ptl [2023-04-03 07:32:10,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_ptl [2023-04-03 07:32:10,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_ptl [2023-04-03 07:32:10,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_siglock_of_sighand_struct [2023-04-03 07:32:10,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_siglock_of_sighand_struct [2023-04-03 07:32:10,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_siglock_of_sighand_struct [2023-04-03 07:32:10,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_siglock_of_sighand_struct [2023-04-03 07:32:10,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_siglock_of_sighand_struct [2023-04-03 07:32:10,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_siglock_of_sighand_struct [2023-04-03 07:32:10,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_siglock_of_sighand_struct [2023-04-03 07:32:10,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_siglock_of_sighand_struct [2023-04-03 07:32:10,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_tx_global_lock_of_net_device [2023-04-03 07:32:10,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_tx_global_lock_of_net_device [2023-04-03 07:32:10,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_tx_global_lock_of_net_device [2023-04-03 07:32:10,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_tx_global_lock_of_net_device [2023-04-03 07:32:10,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_tx_global_lock_of_net_device [2023-04-03 07:32:10,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_tx_global_lock_of_net_device [2023-04-03 07:32:10,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_tx_global_lock_of_net_device [2023-04-03 07:32:10,271 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_tx_global_lock_of_net_device [2023-04-03 07:32:10,271 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2023-04-03 07:32:10,271 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-03 07:32:10,271 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-03 07:32:10,271 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2023-04-03 07:32:10,271 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2023-04-03 07:32:10,271 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-03 07:32:10,271 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2023-04-03 07:32:10,271 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-04-03 07:32:10,271 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-03 07:32:10,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-03 07:32:10,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-04-03 07:32:10,272 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-03 07:32:10,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-04-03 07:32:10,272 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-04-03 07:32:10,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-04-03 07:32:10,272 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-04-03 07:32:11,042 INFO L236 CfgBuilder]: Building ICFG [2023-04-03 07:32:11,051 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-03 07:32:14,071 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint mainFINAL: assume true; [2023-04-03 07:32:14,569 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-04-03 07:32:16,134 INFO L277 CfgBuilder]: Performing block encoding [2023-04-03 07:32:18,376 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-03 07:32:18,376 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-04-03 07:32:18,383 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 07:32:18 BoogieIcfgContainer [2023-04-03 07:32:18,384 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-03 07:32:18,386 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-03 07:32:18,386 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-03 07:32:18,389 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-03 07:32:18,389 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.04 07:32:04" (1/3) ... [2023-04-03 07:32:18,390 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57a09fd8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 07:32:18, skipping insertion in model container [2023-04-03 07:32:18,390 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 07:32:09" (2/3) ... [2023-04-03 07:32:18,390 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57a09fd8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 07:32:18, skipping insertion in model container [2023-04-03 07:32:18,390 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 07:32:18" (3/3) ... [2023-04-03 07:32:18,391 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-irda-via-ircc.cil.i [2023-04-03 07:32:18,408 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-03 07:32:18,409 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2023-04-03 07:32:18,511 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-03 07:32:18,518 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;@5776ace8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-03 07:32:18,518 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-04-03 07:32:18,532 INFO L276 IsEmpty]: Start isEmpty. Operand has 2603 states, 1324 states have (on average 1.1895770392749245) internal successors, (1575), 1360 states have internal predecessors, (1575), 922 states have call successors, (922), 235 states have call predecessors, (922), 233 states have return successors, (917), 899 states have call predecessors, (917), 917 states have call successors, (917) [2023-04-03 07:32:18,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-04-03 07:32:18,548 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:32:18,549 INFO L195 NwaCegarLoop]: trace histogram [6, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 07:32:18,549 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 07:32:18,555 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:32:18,555 INFO L85 PathProgramCache]: Analyzing trace with hash 2103609243, now seen corresponding path program 1 times [2023-04-03 07:32:18,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:32:18,564 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1858983007] [2023-04-03 07:32:18,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:32:18,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:32:18,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:32:19,261 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2023-04-03 07:32:19,262 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:32:19,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1858983007] [2023-04-03 07:32:19,263 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1858983007] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:32:19,263 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:32:19,263 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 07:32:19,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [859678859] [2023-04-03 07:32:19,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:32:19,270 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 07:32:19,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:32:19,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 07:32:19,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 07:32:19,313 INFO L87 Difference]: Start difference. First operand has 2603 states, 1324 states have (on average 1.1895770392749245) internal successors, (1575), 1360 states have internal predecessors, (1575), 922 states have call successors, (922), 235 states have call predecessors, (922), 233 states have return successors, (917), 899 states have call predecessors, (917), 917 states have call successors, (917) Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2023-04-03 07:32:21,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:32:21,013 INFO L93 Difference]: Finished difference Result 6562 states and 9129 transitions. [2023-04-03 07:32:21,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 07:32:21,016 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 82 [2023-04-03 07:32:21,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:32:21,061 INFO L225 Difference]: With dead ends: 6562 [2023-04-03 07:32:21,061 INFO L226 Difference]: Without dead ends: 4333 [2023-04-03 07:32:21,078 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 07:32:21,080 INFO L413 NwaCegarLoop]: 2862 mSDtfsCounter, 2969 mSDsluCounter, 2781 mSDsCounter, 0 mSdLazyCounter, 488 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2969 SdHoareTripleChecker+Valid, 5643 SdHoareTripleChecker+Invalid, 491 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 488 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-04-03 07:32:21,081 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2969 Valid, 5643 Invalid, 491 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 488 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-04-03 07:32:21,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4333 states. [2023-04-03 07:32:21,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4333 to 4329. [2023-04-03 07:32:21,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4329 states, 2266 states have (on average 1.2056487202118271) internal successors, (2732), 2330 states have internal predecessors, (2732), 1625 states have call successors, (1625), 438 states have call predecessors, (1625), 435 states have return successors, (1621), 1587 states have call predecessors, (1621), 1621 states have call successors, (1621) [2023-04-03 07:32:21,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4329 states to 4329 states and 5978 transitions. [2023-04-03 07:32:21,446 INFO L78 Accepts]: Start accepts. Automaton has 4329 states and 5978 transitions. Word has length 82 [2023-04-03 07:32:21,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:32:21,447 INFO L495 AbstractCegarLoop]: Abstraction has 4329 states and 5978 transitions. [2023-04-03 07:32:21,447 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2023-04-03 07:32:21,447 INFO L276 IsEmpty]: Start isEmpty. Operand 4329 states and 5978 transitions. [2023-04-03 07:32:21,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2023-04-03 07:32:21,458 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:32:21,458 INFO L195 NwaCegarLoop]: trace histogram [6, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 07:32:21,459 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-03 07:32:21,459 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 07:32:21,459 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:32:21,459 INFO L85 PathProgramCache]: Analyzing trace with hash 1629858855, now seen corresponding path program 1 times [2023-04-03 07:32:21,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:32:21,460 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25851536] [2023-04-03 07:32:21,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:32:21,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:32:21,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:32:21,821 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2023-04-03 07:32:21,821 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:32:21,821 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [25851536] [2023-04-03 07:32:21,821 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [25851536] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:32:21,821 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:32:21,821 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 07:32:21,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1600501557] [2023-04-03 07:32:21,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:32:21,823 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 07:32:21,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:32:21,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 07:32:21,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 07:32:21,826 INFO L87 Difference]: Start difference. First operand 4329 states and 5978 transitions. Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2023-04-03 07:32:23,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:32:23,166 INFO L93 Difference]: Finished difference Result 12027 states and 16698 transitions. [2023-04-03 07:32:23,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 07:32:23,166 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 93 [2023-04-03 07:32:23,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:32:23,226 INFO L225 Difference]: With dead ends: 12027 [2023-04-03 07:32:23,226 INFO L226 Difference]: Without dead ends: 7722 [2023-04-03 07:32:23,253 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 07:32:23,254 INFO L413 NwaCegarLoop]: 2954 mSDtfsCounter, 2454 mSDsluCounter, 2804 mSDsCounter, 0 mSdLazyCounter, 499 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2454 SdHoareTripleChecker+Valid, 5758 SdHoareTripleChecker+Invalid, 505 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 499 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-04-03 07:32:23,254 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2454 Valid, 5758 Invalid, 505 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 499 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-04-03 07:32:23,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7722 states. [2023-04-03 07:32:23,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7722 to 7680. [2023-04-03 07:32:23,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7680 states, 3998 states have (on average 1.2023511755877938) internal successors, (4807), 4121 states have internal predecessors, (4807), 2898 states have call successors, (2898), 793 states have call predecessors, (2898), 781 states have return successors, (2976), 2812 states have call predecessors, (2976), 2894 states have call successors, (2976) [2023-04-03 07:32:23,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7680 states to 7680 states and 10681 transitions. [2023-04-03 07:32:23,839 INFO L78 Accepts]: Start accepts. Automaton has 7680 states and 10681 transitions. Word has length 93 [2023-04-03 07:32:23,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:32:23,841 INFO L495 AbstractCegarLoop]: Abstraction has 7680 states and 10681 transitions. [2023-04-03 07:32:23,842 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2023-04-03 07:32:23,842 INFO L276 IsEmpty]: Start isEmpty. Operand 7680 states and 10681 transitions. [2023-04-03 07:32:23,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2023-04-03 07:32:23,845 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:32:23,845 INFO L195 NwaCegarLoop]: trace histogram [6, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 07:32:23,845 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-03 07:32:23,845 INFO L420 AbstractCegarLoop]: === Iteration 3 === 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 07:32:23,845 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:32:23,846 INFO L85 PathProgramCache]: Analyzing trace with hash 346031428, now seen corresponding path program 1 times [2023-04-03 07:32:23,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:32:23,846 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [477513354] [2023-04-03 07:32:23,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:32:23,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:32:23,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:32:24,137 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2023-04-03 07:32:24,138 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:32:24,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [477513354] [2023-04-03 07:32:24,138 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [477513354] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:32:24,138 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:32:24,138 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 07:32:24,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [628330816] [2023-04-03 07:32:24,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:32:24,139 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 07:32:24,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:32:24,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 07:32:24,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 07:32:24,140 INFO L87 Difference]: Start difference. First operand 7680 states and 10681 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2023-04-03 07:32:26,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:32:26,209 INFO L93 Difference]: Finished difference Result 21850 states and 30537 transitions. [2023-04-03 07:32:26,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 07:32:26,210 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 94 [2023-04-03 07:32:26,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:32:26,319 INFO L225 Difference]: With dead ends: 21850 [2023-04-03 07:32:26,319 INFO L226 Difference]: Without dead ends: 14194 [2023-04-03 07:32:26,374 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 07:32:26,375 INFO L413 NwaCegarLoop]: 2874 mSDtfsCounter, 2817 mSDsluCounter, 2766 mSDsCounter, 0 mSdLazyCounter, 503 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2817 SdHoareTripleChecker+Valid, 5640 SdHoareTripleChecker+Invalid, 510 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 503 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-04-03 07:32:26,375 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2817 Valid, 5640 Invalid, 510 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 503 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-04-03 07:32:26,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14194 states. [2023-04-03 07:32:27,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14194 to 14136. [2023-04-03 07:32:27,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14136 states, 7372 states have (on average 1.2011665762344004) internal successors, (8855), 7615 states have internal predecessors, (8855), 5348 states have call successors, (5348), 1459 states have call predecessors, (5348), 1413 states have return successors, (5574), 5148 states have call predecessors, (5574), 5344 states have call successors, (5574) [2023-04-03 07:32:27,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14136 states to 14136 states and 19777 transitions. [2023-04-03 07:32:27,476 INFO L78 Accepts]: Start accepts. Automaton has 14136 states and 19777 transitions. Word has length 94 [2023-04-03 07:32:27,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:32:27,477 INFO L495 AbstractCegarLoop]: Abstraction has 14136 states and 19777 transitions. [2023-04-03 07:32:27,477 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2023-04-03 07:32:27,478 INFO L276 IsEmpty]: Start isEmpty. Operand 14136 states and 19777 transitions. [2023-04-03 07:32:27,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2023-04-03 07:32:27,486 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:32:27,486 INFO L195 NwaCegarLoop]: trace histogram [9, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 07:32:27,486 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-03 07:32:27,486 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 07:32:27,486 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:32:27,487 INFO L85 PathProgramCache]: Analyzing trace with hash 1060979859, now seen corresponding path program 1 times [2023-04-03 07:32:27,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:32:27,487 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [12684248] [2023-04-03 07:32:27,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:32:27,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:32:27,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:32:27,893 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2023-04-03 07:32:27,893 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:32:27,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [12684248] [2023-04-03 07:32:27,893 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [12684248] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:32:27,893 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:32:27,893 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 07:32:27,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1757592773] [2023-04-03 07:32:27,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:32:27,894 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 07:32:27,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:32:27,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 07:32:27,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 07:32:27,895 INFO L87 Difference]: Start difference. First operand 14136 states and 19777 transitions. Second operand has 5 states, 5 states have (on average 10.6) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (29), 3 states have call predecessors, (29), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-04-03 07:32:29,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:32:29,717 INFO L93 Difference]: Finished difference Result 14142 states and 19782 transitions. [2023-04-03 07:32:29,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 07:32:29,718 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (29), 3 states have call predecessors, (29), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 149 [2023-04-03 07:32:29,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:32:29,815 INFO L225 Difference]: With dead ends: 14142 [2023-04-03 07:32:29,815 INFO L226 Difference]: Without dead ends: 14140 [2023-04-03 07:32:29,828 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-04-03 07:32:29,831 INFO L413 NwaCegarLoop]: 2831 mSDtfsCounter, 3053 mSDsluCounter, 5648 mSDsCounter, 0 mSdLazyCounter, 744 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3066 SdHoareTripleChecker+Valid, 8479 SdHoareTripleChecker+Invalid, 745 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 744 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-04-03 07:32:29,832 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3066 Valid, 8479 Invalid, 745 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 744 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-04-03 07:32:29,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14140 states. [2023-04-03 07:32:30,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14140 to 14140. [2023-04-03 07:32:30,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14140 states, 7375 states have (on average 1.2010847457627118) internal successors, (8858), 7618 states have internal predecessors, (8858), 5348 states have call successors, (5348), 1460 states have call predecessors, (5348), 1414 states have return successors, (5574), 5148 states have call predecessors, (5574), 5344 states have call successors, (5574) [2023-04-03 07:32:30,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14140 states to 14140 states and 19780 transitions. [2023-04-03 07:32:30,830 INFO L78 Accepts]: Start accepts. Automaton has 14140 states and 19780 transitions. Word has length 149 [2023-04-03 07:32:30,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:32:30,831 INFO L495 AbstractCegarLoop]: Abstraction has 14140 states and 19780 transitions. [2023-04-03 07:32:30,831 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (29), 3 states have call predecessors, (29), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-04-03 07:32:30,831 INFO L276 IsEmpty]: Start isEmpty. Operand 14140 states and 19780 transitions. [2023-04-03 07:32:30,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2023-04-03 07:32:30,835 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:32:30,835 INFO L195 NwaCegarLoop]: trace histogram [9, 5, 5, 5, 5, 5, 5, 4, 4, 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] [2023-04-03 07:32:30,835 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-03 07:32:30,835 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 07:32:30,835 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:32:30,836 INFO L85 PathProgramCache]: Analyzing trace with hash 1347768889, now seen corresponding path program 1 times [2023-04-03 07:32:30,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:32:30,836 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171407375] [2023-04-03 07:32:30,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:32:30,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:32:30,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:32:31,176 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2023-04-03 07:32:31,176 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:32:31,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1171407375] [2023-04-03 07:32:31,176 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1171407375] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:32:31,176 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:32:31,176 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 07:32:31,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [375362253] [2023-04-03 07:32:31,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:32:31,177 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 07:32:31,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:32:31,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 07:32:31,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 07:32:31,180 INFO L87 Difference]: Start difference. First operand 14140 states and 19780 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (30), 3 states have call predecessors, (30), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-04-03 07:32:33,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:32:33,328 INFO L93 Difference]: Finished difference Result 14146 states and 19785 transitions. [2023-04-03 07:32:33,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 07:32:33,329 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (30), 3 states have call predecessors, (30), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 154 [2023-04-03 07:32:33,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:32:33,416 INFO L225 Difference]: With dead ends: 14146 [2023-04-03 07:32:33,416 INFO L226 Difference]: Without dead ends: 14144 [2023-04-03 07:32:33,429 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-04-03 07:32:33,429 INFO L413 NwaCegarLoop]: 2834 mSDtfsCounter, 3048 mSDsluCounter, 5648 mSDsCounter, 0 mSdLazyCounter, 744 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3060 SdHoareTripleChecker+Valid, 8482 SdHoareTripleChecker+Invalid, 745 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 744 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-04-03 07:32:33,430 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3060 Valid, 8482 Invalid, 745 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 744 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-04-03 07:32:33,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14144 states. [2023-04-03 07:32:34,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14144 to 14144. [2023-04-03 07:32:34,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14144 states, 7378 states have (on average 1.2010029818378964) internal successors, (8861), 7621 states have internal predecessors, (8861), 5348 states have call successors, (5348), 1461 states have call predecessors, (5348), 1415 states have return successors, (5574), 5148 states have call predecessors, (5574), 5344 states have call successors, (5574) [2023-04-03 07:32:34,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14144 states to 14144 states and 19783 transitions. [2023-04-03 07:32:34,552 INFO L78 Accepts]: Start accepts. Automaton has 14144 states and 19783 transitions. Word has length 154 [2023-04-03 07:32:34,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:32:34,556 INFO L495 AbstractCegarLoop]: Abstraction has 14144 states and 19783 transitions. [2023-04-03 07:32:34,556 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (30), 3 states have call predecessors, (30), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-04-03 07:32:34,556 INFO L276 IsEmpty]: Start isEmpty. Operand 14144 states and 19783 transitions. [2023-04-03 07:32:34,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2023-04-03 07:32:34,561 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:32:34,561 INFO L195 NwaCegarLoop]: trace histogram [9, 5, 5, 5, 5, 5, 5, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 07:32:34,561 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-04-03 07:32:34,562 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 07:32:34,563 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:32:34,563 INFO L85 PathProgramCache]: Analyzing trace with hash 2023683091, now seen corresponding path program 1 times [2023-04-03 07:32:34,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:32:34,563 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100855019] [2023-04-03 07:32:34,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:32:34,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:32:34,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:32:34,925 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2023-04-03 07:32:34,925 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:32:34,926 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [100855019] [2023-04-03 07:32:34,926 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [100855019] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:32:34,926 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:32:34,926 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 07:32:34,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250161272] [2023-04-03 07:32:34,926 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:32:34,926 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 07:32:34,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:32:34,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 07:32:34,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 07:32:34,927 INFO L87 Difference]: Start difference. First operand 14144 states and 19783 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (31), 3 states have call predecessors, (31), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-04-03 07:32:36,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:32:36,841 INFO L93 Difference]: Finished difference Result 14150 states and 19788 transitions. [2023-04-03 07:32:36,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 07:32:36,842 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (31), 3 states have call predecessors, (31), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 159 [2023-04-03 07:32:36,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:32:36,943 INFO L225 Difference]: With dead ends: 14150 [2023-04-03 07:32:36,943 INFO L226 Difference]: Without dead ends: 14148 [2023-04-03 07:32:36,959 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-04-03 07:32:36,960 INFO L413 NwaCegarLoop]: 2834 mSDtfsCounter, 3048 mSDsluCounter, 5648 mSDsCounter, 0 mSdLazyCounter, 744 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3059 SdHoareTripleChecker+Valid, 8482 SdHoareTripleChecker+Invalid, 745 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 744 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-04-03 07:32:36,961 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3059 Valid, 8482 Invalid, 745 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 744 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-04-03 07:32:36,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14148 states. [2023-04-03 07:32:37,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14148 to 14148. [2023-04-03 07:32:37,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14148 states, 7381 states have (on average 1.2009212843788104) internal successors, (8864), 7624 states have internal predecessors, (8864), 5348 states have call successors, (5348), 1462 states have call predecessors, (5348), 1416 states have return successors, (5574), 5148 states have call predecessors, (5574), 5344 states have call successors, (5574) [2023-04-03 07:32:38,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14148 states to 14148 states and 19786 transitions. [2023-04-03 07:32:38,082 INFO L78 Accepts]: Start accepts. Automaton has 14148 states and 19786 transitions. Word has length 159 [2023-04-03 07:32:38,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:32:38,083 INFO L495 AbstractCegarLoop]: Abstraction has 14148 states and 19786 transitions. [2023-04-03 07:32:38,083 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (31), 3 states have call predecessors, (31), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-04-03 07:32:38,083 INFO L276 IsEmpty]: Start isEmpty. Operand 14148 states and 19786 transitions. [2023-04-03 07:32:38,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2023-04-03 07:32:38,088 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:32:38,088 INFO L195 NwaCegarLoop]: trace histogram [9, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 07:32:38,089 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-04-03 07:32:38,089 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 07:32:38,089 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:32:38,089 INFO L85 PathProgramCache]: Analyzing trace with hash 1179615801, now seen corresponding path program 1 times [2023-04-03 07:32:38,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:32:38,089 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [157450306] [2023-04-03 07:32:38,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:32:38,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:32:38,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:32:38,440 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2023-04-03 07:32:38,440 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:32:38,440 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [157450306] [2023-04-03 07:32:38,441 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [157450306] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:32:38,441 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:32:38,441 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 07:32:38,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [100676589] [2023-04-03 07:32:38,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:32:38,441 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 07:32:38,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:32:38,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 07:32:38,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 07:32:38,442 INFO L87 Difference]: Start difference. First operand 14148 states and 19786 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (32), 3 states have call predecessors, (32), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-04-03 07:32:40,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:32:40,798 INFO L93 Difference]: Finished difference Result 14154 states and 19791 transitions. [2023-04-03 07:32:40,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 07:32:40,798 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (32), 3 states have call predecessors, (32), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 164 [2023-04-03 07:32:40,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:32:40,896 INFO L225 Difference]: With dead ends: 14154 [2023-04-03 07:32:40,896 INFO L226 Difference]: Without dead ends: 14152 [2023-04-03 07:32:40,910 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-04-03 07:32:40,910 INFO L413 NwaCegarLoop]: 2834 mSDtfsCounter, 3048 mSDsluCounter, 5648 mSDsCounter, 0 mSdLazyCounter, 744 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3058 SdHoareTripleChecker+Valid, 8482 SdHoareTripleChecker+Invalid, 745 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 744 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-04-03 07:32:40,911 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3058 Valid, 8482 Invalid, 745 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 744 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-04-03 07:32:40,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14152 states. [2023-04-03 07:32:41,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14152 to 14152. [2023-04-03 07:32:41,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14152 states, 7384 states have (on average 1.200839653304442) internal successors, (8867), 7627 states have internal predecessors, (8867), 5348 states have call successors, (5348), 1463 states have call predecessors, (5348), 1417 states have return successors, (5574), 5148 states have call predecessors, (5574), 5344 states have call successors, (5574) [2023-04-03 07:32:42,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14152 states to 14152 states and 19789 transitions. [2023-04-03 07:32:42,040 INFO L78 Accepts]: Start accepts. Automaton has 14152 states and 19789 transitions. Word has length 164 [2023-04-03 07:32:42,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:32:42,041 INFO L495 AbstractCegarLoop]: Abstraction has 14152 states and 19789 transitions. [2023-04-03 07:32:42,041 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (32), 3 states have call predecessors, (32), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-04-03 07:32:42,041 INFO L276 IsEmpty]: Start isEmpty. Operand 14152 states and 19789 transitions. [2023-04-03 07:32:42,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2023-04-03 07:32:42,046 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:32:42,046 INFO L195 NwaCegarLoop]: trace histogram [9, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 07:32:42,046 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-04-03 07:32:42,046 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 07:32:42,047 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:32:42,047 INFO L85 PathProgramCache]: Analyzing trace with hash 398259091, now seen corresponding path program 1 times [2023-04-03 07:32:42,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:32:42,047 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [952248489] [2023-04-03 07:32:42,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:32:42,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:32:42,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:32:42,367 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2023-04-03 07:32:42,368 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:32:42,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [952248489] [2023-04-03 07:32:42,368 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [952248489] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:32:42,368 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:32:42,368 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 07:32:42,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [90028187] [2023-04-03 07:32:42,368 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:32:42,369 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 07:32:42,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:32:42,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 07:32:42,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 07:32:42,369 INFO L87 Difference]: Start difference. First operand 14152 states and 19789 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (33), 3 states have call predecessors, (33), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2023-04-03 07:32:44,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:32:44,217 INFO L93 Difference]: Finished difference Result 14158 states and 19794 transitions. [2023-04-03 07:32:44,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 07:32:44,218 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (33), 3 states have call predecessors, (33), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 169 [2023-04-03 07:32:44,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:32:44,305 INFO L225 Difference]: With dead ends: 14158 [2023-04-03 07:32:44,305 INFO L226 Difference]: Without dead ends: 14156 [2023-04-03 07:32:44,323 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 07:32:44,323 INFO L413 NwaCegarLoop]: 2834 mSDtfsCounter, 3048 mSDsluCounter, 5648 mSDsCounter, 0 mSdLazyCounter, 744 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3057 SdHoareTripleChecker+Valid, 8482 SdHoareTripleChecker+Invalid, 745 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 744 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-04-03 07:32:44,324 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3057 Valid, 8482 Invalid, 745 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 744 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-04-03 07:32:44,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14156 states. [2023-04-03 07:32:45,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14156 to 14156. [2023-04-03 07:32:45,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14156 states, 7387 states have (on average 1.2007580885339109) internal successors, (8870), 7630 states have internal predecessors, (8870), 5348 states have call successors, (5348), 1464 states have call predecessors, (5348), 1418 states have return successors, (5574), 5148 states have call predecessors, (5574), 5344 states have call successors, (5574) [2023-04-03 07:32:45,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14156 states to 14156 states and 19792 transitions. [2023-04-03 07:32:45,430 INFO L78 Accepts]: Start accepts. Automaton has 14156 states and 19792 transitions. Word has length 169 [2023-04-03 07:32:45,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:32:45,430 INFO L495 AbstractCegarLoop]: Abstraction has 14156 states and 19792 transitions. [2023-04-03 07:32:45,430 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (33), 3 states have call predecessors, (33), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2023-04-03 07:32:45,430 INFO L276 IsEmpty]: Start isEmpty. Operand 14156 states and 19792 transitions. [2023-04-03 07:32:45,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2023-04-03 07:32:45,435 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:32:45,435 INFO L195 NwaCegarLoop]: trace histogram [9, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 07:32:45,435 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-04-03 07:32:45,436 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 07:32:45,436 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:32:45,436 INFO L85 PathProgramCache]: Analyzing trace with hash -1883282887, now seen corresponding path program 1 times [2023-04-03 07:32:45,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:32:45,436 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [992315819] [2023-04-03 07:32:45,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:32:45,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:32:45,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:32:45,746 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2023-04-03 07:32:45,747 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:32:45,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [992315819] [2023-04-03 07:32:45,747 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [992315819] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:32:45,747 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:32:45,747 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 07:32:45,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [655406022] [2023-04-03 07:32:45,747 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:32:45,748 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 07:32:45,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:32:45,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 07:32:45,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 07:32:45,749 INFO L87 Difference]: Start difference. First operand 14156 states and 19792 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (34), 3 states have call predecessors, (34), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2023-04-03 07:32:47,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:32:47,896 INFO L93 Difference]: Finished difference Result 14162 states and 19797 transitions. [2023-04-03 07:32:47,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 07:32:47,897 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (34), 3 states have call predecessors, (34), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 174 [2023-04-03 07:32:47,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:32:47,990 INFO L225 Difference]: With dead ends: 14162 [2023-04-03 07:32:47,990 INFO L226 Difference]: Without dead ends: 14160 [2023-04-03 07:32:48,009 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-04-03 07:32:48,009 INFO L413 NwaCegarLoop]: 2834 mSDtfsCounter, 3048 mSDsluCounter, 5648 mSDsCounter, 0 mSdLazyCounter, 744 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3056 SdHoareTripleChecker+Valid, 8482 SdHoareTripleChecker+Invalid, 745 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 744 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-04-03 07:32:48,010 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3056 Valid, 8482 Invalid, 745 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 744 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-04-03 07:32:48,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14160 states. [2023-04-03 07:32:48,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14160 to 14160. [2023-04-03 07:32:48,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14160 states, 7390 states have (on average 1.2006765899864682) internal successors, (8873), 7633 states have internal predecessors, (8873), 5348 states have call successors, (5348), 1465 states have call predecessors, (5348), 1419 states have return successors, (5574), 5148 states have call predecessors, (5574), 5344 states have call successors, (5574) [2023-04-03 07:32:49,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14160 states to 14160 states and 19795 transitions. [2023-04-03 07:32:49,019 INFO L78 Accepts]: Start accepts. Automaton has 14160 states and 19795 transitions. Word has length 174 [2023-04-03 07:32:49,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:32:49,019 INFO L495 AbstractCegarLoop]: Abstraction has 14160 states and 19795 transitions. [2023-04-03 07:32:49,019 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (34), 3 states have call predecessors, (34), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2023-04-03 07:32:49,020 INFO L276 IsEmpty]: Start isEmpty. Operand 14160 states and 19795 transitions. [2023-04-03 07:32:49,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2023-04-03 07:32:49,025 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:32:49,025 INFO L195 NwaCegarLoop]: trace histogram [9, 7, 6, 6, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 07:32:49,025 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-04-03 07:32:49,025 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 07:32:49,026 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:32:49,026 INFO L85 PathProgramCache]: Analyzing trace with hash -1720499437, now seen corresponding path program 1 times [2023-04-03 07:32:49,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:32:49,026 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253127592] [2023-04-03 07:32:49,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:32:49,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:32:49,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:32:49,304 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 214 trivial. 0 not checked. [2023-04-03 07:32:49,304 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:32:49,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [253127592] [2023-04-03 07:32:49,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [253127592] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:32:49,304 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:32:49,305 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 07:32:49,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1628195646] [2023-04-03 07:32:49,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:32:49,306 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 07:32:49,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:32:49,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 07:32:49,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 07:32:49,307 INFO L87 Difference]: Start difference. First operand 14160 states and 19795 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (35), 3 states have call predecessors, (35), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-04-03 07:32:51,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:32:51,127 INFO L93 Difference]: Finished difference Result 14166 states and 19800 transitions. [2023-04-03 07:32:51,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 07:32:51,127 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (35), 3 states have call predecessors, (35), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 179 [2023-04-03 07:32:51,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:32:51,181 INFO L225 Difference]: With dead ends: 14166 [2023-04-03 07:32:51,182 INFO L226 Difference]: Without dead ends: 14164 [2023-04-03 07:32:51,191 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-04-03 07:32:51,192 INFO L413 NwaCegarLoop]: 2834 mSDtfsCounter, 3048 mSDsluCounter, 5648 mSDsCounter, 0 mSdLazyCounter, 744 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3055 SdHoareTripleChecker+Valid, 8482 SdHoareTripleChecker+Invalid, 745 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 744 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-04-03 07:32:51,192 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3055 Valid, 8482 Invalid, 745 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 744 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-04-03 07:32:51,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14164 states. [2023-04-03 07:32:52,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14164 to 14164. [2023-04-03 07:32:52,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14164 states, 7393 states have (on average 1.200595157581496) internal successors, (8876), 7636 states have internal predecessors, (8876), 5348 states have call successors, (5348), 1466 states have call predecessors, (5348), 1420 states have return successors, (5574), 5148 states have call predecessors, (5574), 5344 states have call successors, (5574) [2023-04-03 07:32:52,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14164 states to 14164 states and 19798 transitions. [2023-04-03 07:32:52,157 INFO L78 Accepts]: Start accepts. Automaton has 14164 states and 19798 transitions. Word has length 179 [2023-04-03 07:32:52,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:32:52,158 INFO L495 AbstractCegarLoop]: Abstraction has 14164 states and 19798 transitions. [2023-04-03 07:32:52,158 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (35), 3 states have call predecessors, (35), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-04-03 07:32:52,158 INFO L276 IsEmpty]: Start isEmpty. Operand 14164 states and 19798 transitions. [2023-04-03 07:32:52,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2023-04-03 07:32:52,164 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:32:52,164 INFO L195 NwaCegarLoop]: trace histogram [8, 5, 5, 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] [2023-04-03 07:32:52,165 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-04-03 07:32:52,165 INFO L420 AbstractCegarLoop]: === Iteration 11 === 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 07:32:52,165 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:32:52,165 INFO L85 PathProgramCache]: Analyzing trace with hash -843877452, now seen corresponding path program 1 times [2023-04-03 07:32:52,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:32:52,166 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1428764417] [2023-04-03 07:32:52,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:32:52,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:32:52,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:32:52,503 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2023-04-03 07:32:52,503 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:32:52,504 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1428764417] [2023-04-03 07:32:52,504 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1428764417] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:32:52,504 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:32:52,504 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 07:32:52,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1152541358] [2023-04-03 07:32:52,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:32:52,505 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 07:32:52,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:32:52,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 07:32:52,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 07:32:52,507 INFO L87 Difference]: Start difference. First operand 14164 states and 19798 transitions. Second operand has 5 states, 5 states have (on average 16.4) internal successors, (82), 5 states have internal predecessors, (82), 4 states have call successors, (36), 3 states have call predecessors, (36), 2 states have return successors, (29), 4 states have call predecessors, (29), 4 states have call successors, (29) [2023-04-03 07:33:08,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:33:08,669 INFO L93 Difference]: Finished difference Result 26627 states and 37089 transitions. [2023-04-03 07:33:08,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-04-03 07:33:08,674 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.4) internal successors, (82), 5 states have internal predecessors, (82), 4 states have call successors, (36), 3 states have call predecessors, (36), 2 states have return successors, (29), 4 states have call predecessors, (29), 4 states have call successors, (29) Word has length 181 [2023-04-03 07:33:08,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:33:08,728 INFO L225 Difference]: With dead ends: 26627 [2023-04-03 07:33:08,728 INFO L226 Difference]: Without dead ends: 12487 [2023-04-03 07:33:08,790 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-04-03 07:33:08,790 INFO L413 NwaCegarLoop]: 197 mSDtfsCounter, 3468 mSDsluCounter, 236 mSDsCounter, 0 mSdLazyCounter, 12705 mSolverCounterSat, 1666 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4286 SdHoareTripleChecker+Valid, 433 SdHoareTripleChecker+Invalid, 14371 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1666 IncrementalHoareTripleChecker+Valid, 12705 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.1s IncrementalHoareTripleChecker+Time [2023-04-03 07:33:08,791 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4286 Valid, 433 Invalid, 14371 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1666 Valid, 12705 Invalid, 0 Unknown, 0 Unchecked, 15.1s Time] [2023-04-03 07:33:08,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12487 states. [2023-04-03 07:33:09,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12487 to 12417. [2023-04-03 07:33:09,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12417 states, 6514 states have (on average 1.1984955480503532) internal successors, (7807), 6770 states have internal predecessors, (7807), 4578 states have call successors, (4578), 1321 states have call predecessors, (4578), 1322 states have return successors, (4760), 4406 states have call predecessors, (4760), 4574 states have call successors, (4760) [2023-04-03 07:33:09,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12417 states to 12417 states and 17145 transitions. [2023-04-03 07:33:09,694 INFO L78 Accepts]: Start accepts. Automaton has 12417 states and 17145 transitions. Word has length 181 [2023-04-03 07:33:09,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:33:09,694 INFO L495 AbstractCegarLoop]: Abstraction has 12417 states and 17145 transitions. [2023-04-03 07:33:09,694 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.4) internal successors, (82), 5 states have internal predecessors, (82), 4 states have call successors, (36), 3 states have call predecessors, (36), 2 states have return successors, (29), 4 states have call predecessors, (29), 4 states have call successors, (29) [2023-04-03 07:33:09,695 INFO L276 IsEmpty]: Start isEmpty. Operand 12417 states and 17145 transitions. [2023-04-03 07:33:09,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2023-04-03 07:33:09,698 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:33:09,698 INFO L195 NwaCegarLoop]: trace histogram [9, 8, 7, 7, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 07:33:09,698 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-04-03 07:33:09,698 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 07:33:09,699 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:33:09,699 INFO L85 PathProgramCache]: Analyzing trace with hash 1497952825, now seen corresponding path program 1 times [2023-04-03 07:33:09,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:33:09,699 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [814794530] [2023-04-03 07:33:09,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:33:09,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:33:09,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:33:10,010 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 238 trivial. 0 not checked. [2023-04-03 07:33:10,010 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:33:10,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [814794530] [2023-04-03 07:33:10,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [814794530] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:33:10,011 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:33:10,011 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 07:33:10,011 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1386737513] [2023-04-03 07:33:10,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:33:10,011 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 07:33:10,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:33:10,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 07:33:10,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 07:33:10,012 INFO L87 Difference]: Start difference. First operand 12417 states and 17145 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (36), 3 states have call predecessors, (36), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2023-04-03 07:33:12,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:33:12,049 INFO L93 Difference]: Finished difference Result 12423 states and 17150 transitions. [2023-04-03 07:33:12,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 07:33:12,057 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (36), 3 states have call predecessors, (36), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 184 [2023-04-03 07:33:12,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:33:12,109 INFO L225 Difference]: With dead ends: 12423 [2023-04-03 07:33:12,109 INFO L226 Difference]: Without dead ends: 12421 [2023-04-03 07:33:12,115 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-04-03 07:33:12,116 INFO L413 NwaCegarLoop]: 2834 mSDtfsCounter, 3048 mSDsluCounter, 5648 mSDsCounter, 0 mSdLazyCounter, 744 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3054 SdHoareTripleChecker+Valid, 8482 SdHoareTripleChecker+Invalid, 745 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 744 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-04-03 07:33:12,116 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3054 Valid, 8482 Invalid, 745 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 744 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-04-03 07:33:12,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12421 states. [2023-04-03 07:33:12,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12421 to 12421. [2023-04-03 07:33:12,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12421 states, 6517 states have (on average 1.198404173699555) internal successors, (7810), 6773 states have internal predecessors, (7810), 4578 states have call successors, (4578), 1322 states have call predecessors, (4578), 1323 states have return successors, (4760), 4406 states have call predecessors, (4760), 4574 states have call successors, (4760) [2023-04-03 07:33:13,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12421 states to 12421 states and 17148 transitions. [2023-04-03 07:33:13,024 INFO L78 Accepts]: Start accepts. Automaton has 12421 states and 17148 transitions. Word has length 184 [2023-04-03 07:33:13,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:33:13,024 INFO L495 AbstractCegarLoop]: Abstraction has 12421 states and 17148 transitions. [2023-04-03 07:33:13,025 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (36), 3 states have call predecessors, (36), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2023-04-03 07:33:13,025 INFO L276 IsEmpty]: Start isEmpty. Operand 12421 states and 17148 transitions. [2023-04-03 07:33:13,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2023-04-03 07:33:13,027 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:33:13,027 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 8, 8, 6, 6, 5, 5, 5, 5, 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] [2023-04-03 07:33:13,027 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-04-03 07:33:13,027 INFO L420 AbstractCegarLoop]: === Iteration 13 === 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 07:33:13,027 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:33:13,028 INFO L85 PathProgramCache]: Analyzing trace with hash -1398082200, now seen corresponding path program 1 times [2023-04-03 07:33:13,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:33:13,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1791208491] [2023-04-03 07:33:13,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:33:13,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:33:13,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:33:13,489 INFO L134 CoverageAnalysis]: Checked inductivity of 311 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 293 trivial. 0 not checked. [2023-04-03 07:33:13,489 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:33:13,489 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1791208491] [2023-04-03 07:33:13,489 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1791208491] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:33:13,490 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:33:13,490 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 07:33:13,490 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1928610981] [2023-04-03 07:33:13,490 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:33:13,490 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 07:33:13,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:33:13,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 07:33:13,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 07:33:13,492 INFO L87 Difference]: Start difference. First operand 12421 states and 17148 transitions. Second operand has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (46), 3 states have call predecessors, (46), 2 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2023-04-03 07:33:15,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:33:15,479 INFO L93 Difference]: Finished difference Result 15296 states and 21350 transitions. [2023-04-03 07:33:15,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 07:33:15,480 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (46), 3 states have call predecessors, (46), 2 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) Word has length 222 [2023-04-03 07:33:15,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:33:15,542 INFO L225 Difference]: With dead ends: 15296 [2023-04-03 07:33:15,543 INFO L226 Difference]: Without dead ends: 15294 [2023-04-03 07:33:15,556 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 07:33:15,556 INFO L413 NwaCegarLoop]: 3583 mSDtfsCounter, 2345 mSDsluCounter, 8652 mSDsCounter, 0 mSdLazyCounter, 1010 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2350 SdHoareTripleChecker+Valid, 12235 SdHoareTripleChecker+Invalid, 1012 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1010 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-04-03 07:33:15,557 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2350 Valid, 12235 Invalid, 1012 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1010 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-04-03 07:33:15,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15294 states. [2023-04-03 07:33:16,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15294 to 15294. [2023-04-03 07:33:16,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15294 states, 7908 states have (on average 1.2003034901365706) internal successors, (9492), 8199 states have internal predecessors, (9492), 5837 states have call successors, (5837), 1545 states have call predecessors, (5837), 1546 states have return successors, (6019), 5646 states have call predecessors, (6019), 5833 states have call successors, (6019) [2023-04-03 07:33:16,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15294 states to 15294 states and 21348 transitions. [2023-04-03 07:33:16,828 INFO L78 Accepts]: Start accepts. Automaton has 15294 states and 21348 transitions. Word has length 222 [2023-04-03 07:33:16,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:33:16,829 INFO L495 AbstractCegarLoop]: Abstraction has 15294 states and 21348 transitions. [2023-04-03 07:33:16,829 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (46), 3 states have call predecessors, (46), 2 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2023-04-03 07:33:16,829 INFO L276 IsEmpty]: Start isEmpty. Operand 15294 states and 21348 transitions. [2023-04-03 07:33:16,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2023-04-03 07:33:16,832 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:33:16,832 INFO L195 NwaCegarLoop]: trace histogram [10, 9, 9, 9, 6, 6, 5, 5, 5, 5, 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] [2023-04-03 07:33:16,832 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-04-03 07:33:16,833 INFO L420 AbstractCegarLoop]: === Iteration 14 === 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 07:33:16,833 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:33:16,833 INFO L85 PathProgramCache]: Analyzing trace with hash 5676164, now seen corresponding path program 1 times [2023-04-03 07:33:16,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:33:16,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [163342482] [2023-04-03 07:33:16,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:33:16,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:33:16,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:33:17,227 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2023-04-03 07:33:17,227 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:33:17,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [163342482] [2023-04-03 07:33:17,228 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [163342482] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:33:17,228 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:33:17,228 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 07:33:17,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [654150907] [2023-04-03 07:33:17,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:33:17,229 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 07:33:17,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:33:17,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 07:33:17,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 07:33:17,230 INFO L87 Difference]: Start difference. First operand 15294 states and 21348 transitions. Second operand has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (47), 3 states have call predecessors, (47), 2 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2023-04-03 07:33:19,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:33:19,041 INFO L93 Difference]: Finished difference Result 15300 states and 21353 transitions. [2023-04-03 07:33:19,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 07:33:19,041 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (47), 3 states have call predecessors, (47), 2 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) Word has length 227 [2023-04-03 07:33:19,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:33:19,127 INFO L225 Difference]: With dead ends: 15300 [2023-04-03 07:33:19,127 INFO L226 Difference]: Without dead ends: 15298 [2023-04-03 07:33:19,143 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-04-03 07:33:19,144 INFO L413 NwaCegarLoop]: 2834 mSDtfsCounter, 3047 mSDsluCounter, 5648 mSDsCounter, 0 mSdLazyCounter, 744 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3051 SdHoareTripleChecker+Valid, 8482 SdHoareTripleChecker+Invalid, 745 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 744 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-04-03 07:33:19,144 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3051 Valid, 8482 Invalid, 745 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 744 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-04-03 07:33:19,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15298 states. [2023-04-03 07:33:20,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15298 to 15298. [2023-04-03 07:33:20,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15298 states, 7911 states have (on average 1.2002275312855517) internal successors, (9495), 8202 states have internal predecessors, (9495), 5837 states have call successors, (5837), 1546 states have call predecessors, (5837), 1547 states have return successors, (6019), 5646 states have call predecessors, (6019), 5833 states have call successors, (6019) [2023-04-03 07:33:20,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15298 states to 15298 states and 21351 transitions. [2023-04-03 07:33:20,397 INFO L78 Accepts]: Start accepts. Automaton has 15298 states and 21351 transitions. Word has length 227 [2023-04-03 07:33:20,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:33:20,397 INFO L495 AbstractCegarLoop]: Abstraction has 15298 states and 21351 transitions. [2023-04-03 07:33:20,398 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (47), 3 states have call predecessors, (47), 2 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2023-04-03 07:33:20,398 INFO L276 IsEmpty]: Start isEmpty. Operand 15298 states and 21351 transitions. [2023-04-03 07:33:20,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2023-04-03 07:33:20,401 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:33:20,402 INFO L195 NwaCegarLoop]: trace histogram [11, 10, 10, 9, 6, 6, 5, 5, 5, 5, 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] [2023-04-03 07:33:20,402 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-04-03 07:33:20,402 INFO L420 AbstractCegarLoop]: === Iteration 15 === 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 07:33:20,402 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:33:20,402 INFO L85 PathProgramCache]: Analyzing trace with hash 1757421224, now seen corresponding path program 1 times [2023-04-03 07:33:20,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:33:20,403 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1714534720] [2023-04-03 07:33:20,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:33:20,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:33:20,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:33:20,690 INFO L134 CoverageAnalysis]: Checked inductivity of 383 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 361 trivial. 0 not checked. [2023-04-03 07:33:20,690 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:33:20,690 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1714534720] [2023-04-03 07:33:20,690 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1714534720] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:33:20,690 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:33:20,690 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 07:33:20,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116016902] [2023-04-03 07:33:20,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:33:20,691 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 07:33:20,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:33:20,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 07:33:20,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 07:33:20,692 INFO L87 Difference]: Start difference. First operand 15298 states and 21351 transitions. Second operand has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (48), 3 states have call predecessors, (48), 2 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2023-04-03 07:33:22,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:33:22,623 INFO L93 Difference]: Finished difference Result 15304 states and 21356 transitions. [2023-04-03 07:33:22,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 07:33:22,624 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (48), 3 states have call predecessors, (48), 2 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) Word has length 232 [2023-04-03 07:33:22,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:33:22,667 INFO L225 Difference]: With dead ends: 15304 [2023-04-03 07:33:22,667 INFO L226 Difference]: Without dead ends: 15302 [2023-04-03 07:33:22,673 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-04-03 07:33:22,673 INFO L413 NwaCegarLoop]: 2834 mSDtfsCounter, 3047 mSDsluCounter, 5648 mSDsCounter, 0 mSdLazyCounter, 744 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3050 SdHoareTripleChecker+Valid, 8482 SdHoareTripleChecker+Invalid, 745 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 744 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-04-03 07:33:22,674 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3050 Valid, 8482 Invalid, 745 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 744 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-04-03 07:33:22,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15302 states. [2023-04-03 07:33:23,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15302 to 15302. [2023-04-03 07:33:23,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15302 states, 7914 states have (on average 1.2001516300227446) internal successors, (9498), 8205 states have internal predecessors, (9498), 5837 states have call successors, (5837), 1547 states have call predecessors, (5837), 1548 states have return successors, (6019), 5646 states have call predecessors, (6019), 5833 states have call successors, (6019) [2023-04-03 07:33:23,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15302 states to 15302 states and 21354 transitions. [2023-04-03 07:33:23,811 INFO L78 Accepts]: Start accepts. Automaton has 15302 states and 21354 transitions. Word has length 232 [2023-04-03 07:33:23,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:33:23,811 INFO L495 AbstractCegarLoop]: Abstraction has 15302 states and 21354 transitions. [2023-04-03 07:33:23,812 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (48), 3 states have call predecessors, (48), 2 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2023-04-03 07:33:23,812 INFO L276 IsEmpty]: Start isEmpty. Operand 15302 states and 21354 transitions. [2023-04-03 07:33:23,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2023-04-03 07:33:23,815 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:33:23,815 INFO L195 NwaCegarLoop]: trace histogram [12, 11, 11, 9, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 07:33:23,816 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-04-03 07:33:23,816 INFO L420 AbstractCegarLoop]: === Iteration 16 === 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 07:33:23,816 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:33:23,816 INFO L85 PathProgramCache]: Analyzing trace with hash -298245575, now seen corresponding path program 1 times [2023-04-03 07:33:23,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:33:23,817 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [317621994] [2023-04-03 07:33:23,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:33:23,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:33:23,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:33:24,096 INFO L134 CoverageAnalysis]: Checked inductivity of 399 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 374 trivial. 0 not checked. [2023-04-03 07:33:24,096 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:33:24,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [317621994] [2023-04-03 07:33:24,097 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [317621994] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:33:24,097 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:33:24,097 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 07:33:24,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2076579439] [2023-04-03 07:33:24,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:33:24,098 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 07:33:24,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:33:24,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 07:33:24,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 07:33:24,098 INFO L87 Difference]: Start difference. First operand 15302 states and 21354 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (40), 3 states have call predecessors, (40), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2023-04-03 07:33:26,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:33:26,047 INFO L93 Difference]: Finished difference Result 15308 states and 21359 transitions. [2023-04-03 07:33:26,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 07:33:26,048 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (40), 3 states have call predecessors, (40), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 204 [2023-04-03 07:33:26,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:33:26,108 INFO L225 Difference]: With dead ends: 15308 [2023-04-03 07:33:26,109 INFO L226 Difference]: Without dead ends: 15306 [2023-04-03 07:33:26,118 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-04-03 07:33:26,118 INFO L413 NwaCegarLoop]: 2834 mSDtfsCounter, 3048 mSDsluCounter, 5648 mSDsCounter, 0 mSdLazyCounter, 744 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3050 SdHoareTripleChecker+Valid, 8482 SdHoareTripleChecker+Invalid, 745 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 744 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-04-03 07:33:26,118 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3050 Valid, 8482 Invalid, 745 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 744 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-04-03 07:33:26,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15306 states. [2023-04-03 07:33:27,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15306 to 15306. [2023-04-03 07:33:27,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15306 states, 7917 states have (on average 1.2000757862826827) internal successors, (9501), 8208 states have internal predecessors, (9501), 5837 states have call successors, (5837), 1548 states have call predecessors, (5837), 1549 states have return successors, (6019), 5646 states have call predecessors, (6019), 5833 states have call successors, (6019) [2023-04-03 07:33:27,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15306 states to 15306 states and 21357 transitions. [2023-04-03 07:33:27,322 INFO L78 Accepts]: Start accepts. Automaton has 15306 states and 21357 transitions. Word has length 204 [2023-04-03 07:33:27,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:33:27,322 INFO L495 AbstractCegarLoop]: Abstraction has 15306 states and 21357 transitions. [2023-04-03 07:33:27,322 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (40), 3 states have call predecessors, (40), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2023-04-03 07:33:27,323 INFO L276 IsEmpty]: Start isEmpty. Operand 15306 states and 21357 transitions. [2023-04-03 07:33:27,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2023-04-03 07:33:27,326 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:33:27,326 INFO L195 NwaCegarLoop]: trace histogram [13, 12, 12, 9, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 07:33:27,327 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-04-03 07:33:27,327 INFO L420 AbstractCegarLoop]: === Iteration 17 === 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 07:33:27,327 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:33:27,327 INFO L85 PathProgramCache]: Analyzing trace with hash 29364627, now seen corresponding path program 1 times [2023-04-03 07:33:27,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:33:27,327 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [15782411] [2023-04-03 07:33:27,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:33:27,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:33:27,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:33:27,628 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 418 trivial. 0 not checked. [2023-04-03 07:33:27,628 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:33:27,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [15782411] [2023-04-03 07:33:27,629 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [15782411] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:33:27,629 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:33:27,629 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 07:33:27,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [750339748] [2023-04-03 07:33:27,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:33:27,630 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 07:33:27,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:33:27,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 07:33:27,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 07:33:27,631 INFO L87 Difference]: Start difference. First operand 15306 states and 21357 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (41), 3 states have call predecessors, (41), 2 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2023-04-03 07:33:29,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:33:29,617 INFO L93 Difference]: Finished difference Result 15312 states and 21362 transitions. [2023-04-03 07:33:29,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 07:33:29,618 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (41), 3 states have call predecessors, (41), 2 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) Word has length 209 [2023-04-03 07:33:29,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:33:29,670 INFO L225 Difference]: With dead ends: 15312 [2023-04-03 07:33:29,670 INFO L226 Difference]: Without dead ends: 15308 [2023-04-03 07:33:29,687 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-04-03 07:33:29,688 INFO L413 NwaCegarLoop]: 2834 mSDtfsCounter, 3048 mSDsluCounter, 5648 mSDsCounter, 0 mSdLazyCounter, 744 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3049 SdHoareTripleChecker+Valid, 8482 SdHoareTripleChecker+Invalid, 745 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 744 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-04-03 07:33:29,688 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3049 Valid, 8482 Invalid, 745 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 744 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-04-03 07:33:29,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15308 states. [2023-04-03 07:33:30,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15308 to 15308. [2023-04-03 07:33:30,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15308 states, 7919 states have (on average 1.1998989771435786) internal successors, (9502), 8209 states have internal predecessors, (9502), 5837 states have call successors, (5837), 1549 states have call predecessors, (5837), 1549 states have return successors, (6019), 5646 states have call predecessors, (6019), 5833 states have call successors, (6019) [2023-04-03 07:33:31,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15308 states to 15308 states and 21358 transitions. [2023-04-03 07:33:31,045 INFO L78 Accepts]: Start accepts. Automaton has 15308 states and 21358 transitions. Word has length 209 [2023-04-03 07:33:31,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:33:31,046 INFO L495 AbstractCegarLoop]: Abstraction has 15308 states and 21358 transitions. [2023-04-03 07:33:31,046 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (41), 3 states have call predecessors, (41), 2 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2023-04-03 07:33:31,046 INFO L276 IsEmpty]: Start isEmpty. Operand 15308 states and 21358 transitions. [2023-04-03 07:33:31,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2023-04-03 07:33:31,050 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:33:31,050 INFO L195 NwaCegarLoop]: trace histogram [14, 13, 13, 9, 6, 6, 5, 5, 5, 5, 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] [2023-04-03 07:33:31,050 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-04-03 07:33:31,050 INFO L420 AbstractCegarLoop]: === Iteration 18 === 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 07:33:31,051 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:33:31,051 INFO L85 PathProgramCache]: Analyzing trace with hash -1222305532, now seen corresponding path program 1 times [2023-04-03 07:33:31,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:33:31,051 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1531783968] [2023-04-03 07:33:31,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:33:31,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:33:31,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:33:31,381 INFO L134 CoverageAnalysis]: Checked inductivity of 521 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 493 trivial. 0 not checked. [2023-04-03 07:33:31,381 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:33:31,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1531783968] [2023-04-03 07:33:31,381 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1531783968] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:33:31,381 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:33:31,381 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 07:33:31,382 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712531631] [2023-04-03 07:33:31,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:33:31,382 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 07:33:31,382 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:33:31,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 07:33:31,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 07:33:31,383 INFO L87 Difference]: Start difference. First operand 15308 states and 21358 transitions. Second operand has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (51), 3 states have call predecessors, (51), 2 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) [2023-04-03 07:33:33,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:33:33,772 INFO L93 Difference]: Finished difference Result 15308 states and 21358 transitions. [2023-04-03 07:33:33,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 07:33:33,773 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (51), 3 states have call predecessors, (51), 2 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) Word has length 247 [2023-04-03 07:33:33,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:33:33,840 INFO L225 Difference]: With dead ends: 15308 [2023-04-03 07:33:33,840 INFO L226 Difference]: Without dead ends: 14973 [2023-04-03 07:33:33,852 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-04-03 07:33:33,852 INFO L413 NwaCegarLoop]: 2832 mSDtfsCounter, 3043 mSDsluCounter, 5647 mSDsCounter, 0 mSdLazyCounter, 739 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3043 SdHoareTripleChecker+Valid, 8479 SdHoareTripleChecker+Invalid, 740 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 739 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-04-03 07:33:33,852 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3043 Valid, 8479 Invalid, 740 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 739 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-04-03 07:33:33,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14973 states. [2023-04-03 07:33:35,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14973 to 14973. [2023-04-03 07:33:35,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14973 states, 7769 states have (on average 1.2006693268116875) internal successors, (9328), 8043 states have internal predecessors, (9328), 5725 states have call successors, (5725), 1475 states have call predecessors, (5725), 1477 states have return successors, (5910), 5551 states have call predecessors, (5910), 5724 states have call successors, (5910) [2023-04-03 07:33:35,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14973 states to 14973 states and 20963 transitions. [2023-04-03 07:33:35,287 INFO L78 Accepts]: Start accepts. Automaton has 14973 states and 20963 transitions. Word has length 247 [2023-04-03 07:33:35,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:33:35,288 INFO L495 AbstractCegarLoop]: Abstraction has 14973 states and 20963 transitions. [2023-04-03 07:33:35,288 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (51), 3 states have call predecessors, (51), 2 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) [2023-04-03 07:33:35,288 INFO L276 IsEmpty]: Start isEmpty. Operand 14973 states and 20963 transitions. [2023-04-03 07:33:35,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2023-04-03 07:33:35,295 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:33:35,296 INFO L195 NwaCegarLoop]: trace histogram [11, 6, 6, 5, 5, 5, 5, 5, 5, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 07:33:35,296 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-04-03 07:33:35,296 INFO L420 AbstractCegarLoop]: === Iteration 19 === 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 07:33:35,297 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:33:35,297 INFO L85 PathProgramCache]: Analyzing trace with hash -2096295836, now seen corresponding path program 1 times [2023-04-03 07:33:35,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:33:35,297 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1441260985] [2023-04-03 07:33:35,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:33:35,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:33:35,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:33:35,757 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 217 trivial. 0 not checked. [2023-04-03 07:33:35,757 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:33:35,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1441260985] [2023-04-03 07:33:35,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1441260985] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:33:35,758 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:33:35,758 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 07:33:35,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440992607] [2023-04-03 07:33:35,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:33:35,759 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 07:33:35,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:33:35,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 07:33:35,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 07:33:35,761 INFO L87 Difference]: Start difference. First operand 14973 states and 20963 transitions. Second operand has 5 states, 5 states have (on average 23.0) internal successors, (115), 5 states have internal predecessors, (115), 4 states have call successors, (53), 3 states have call predecessors, (53), 3 states have return successors, (46), 4 states have call predecessors, (46), 4 states have call successors, (46) [2023-04-03 07:33:52,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:33:52,748 INFO L93 Difference]: Finished difference Result 35931 states and 50337 transitions. [2023-04-03 07:33:52,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-04-03 07:33:52,748 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.0) internal successors, (115), 5 states have internal predecessors, (115), 4 states have call successors, (53), 3 states have call predecessors, (53), 3 states have return successors, (46), 4 states have call predecessors, (46), 4 states have call successors, (46) Word has length 259 [2023-04-03 07:33:52,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:33:52,826 INFO L225 Difference]: With dead ends: 35931 [2023-04-03 07:33:52,826 INFO L226 Difference]: Without dead ends: 21028 [2023-04-03 07:33:52,875 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-04-03 07:33:52,876 INFO L413 NwaCegarLoop]: 209 mSDtfsCounter, 3341 mSDsluCounter, 221 mSDsCounter, 0 mSdLazyCounter, 12744 mSolverCounterSat, 1495 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4135 SdHoareTripleChecker+Valid, 430 SdHoareTripleChecker+Invalid, 14239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1495 IncrementalHoareTripleChecker+Valid, 12744 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.8s IncrementalHoareTripleChecker+Time [2023-04-03 07:33:52,876 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4135 Valid, 430 Invalid, 14239 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1495 Valid, 12744 Invalid, 0 Unknown, 0 Unchecked, 14.8s Time] [2023-04-03 07:33:52,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21028 states. [2023-04-03 07:33:54,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21028 to 20940. [2023-04-03 07:33:54,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20940 states, 10874 states have (on average 1.2016737171234138) internal successors, (13067), 11256 states have internal predecessors, (13067), 7999 states have call successors, (7999), 2075 states have call predecessors, (7999), 2065 states have return successors, (8192), 7749 states have call predecessors, (8192), 7998 states have call successors, (8192) [2023-04-03 07:33:54,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20940 states to 20940 states and 29258 transitions. [2023-04-03 07:33:54,777 INFO L78 Accepts]: Start accepts. Automaton has 20940 states and 29258 transitions. Word has length 259 [2023-04-03 07:33:54,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:33:54,778 INFO L495 AbstractCegarLoop]: Abstraction has 20940 states and 29258 transitions. [2023-04-03 07:33:54,778 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.0) internal successors, (115), 5 states have internal predecessors, (115), 4 states have call successors, (53), 3 states have call predecessors, (53), 3 states have return successors, (46), 4 states have call predecessors, (46), 4 states have call successors, (46) [2023-04-03 07:33:54,778 INFO L276 IsEmpty]: Start isEmpty. Operand 20940 states and 29258 transitions. [2023-04-03 07:33:54,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2023-04-03 07:33:54,785 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:33:54,785 INFO L195 NwaCegarLoop]: trace histogram [13, 10, 10, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 07:33:54,785 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-04-03 07:33:54,785 INFO L420 AbstractCegarLoop]: === Iteration 20 === 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 07:33:54,786 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:33:54,786 INFO L85 PathProgramCache]: Analyzing trace with hash 648961764, now seen corresponding path program 1 times [2023-04-03 07:33:54,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:33:54,786 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [615511816] [2023-04-03 07:33:54,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:33:54,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:33:54,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:33:55,859 INFO L134 CoverageAnalysis]: Checked inductivity of 394 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 394 trivial. 0 not checked. [2023-04-03 07:33:55,859 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:33:55,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [615511816] [2023-04-03 07:33:55,859 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [615511816] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:33:55,859 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:33:55,859 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 07:33:55,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1645581203] [2023-04-03 07:33:55,860 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:33:55,860 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 07:33:55,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:33:55,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 07:33:55,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 07:33:55,861 INFO L87 Difference]: Start difference. First operand 20940 states and 29258 transitions. Second operand has 5 states, 5 states have (on average 26.0) internal successors, (130), 4 states have internal predecessors, (130), 2 states have call successors, (57), 3 states have call predecessors, (57), 2 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) [2023-04-03 07:33:59,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:33:59,129 INFO L93 Difference]: Finished difference Result 20940 states and 29258 transitions. [2023-04-03 07:33:59,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-04-03 07:33:59,130 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 26.0) internal successors, (130), 4 states have internal predecessors, (130), 2 states have call successors, (57), 3 states have call predecessors, (57), 2 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) Word has length 324 [2023-04-03 07:33:59,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:33:59,211 INFO L225 Difference]: With dead ends: 20940 [2023-04-03 07:33:59,211 INFO L226 Difference]: Without dead ends: 20938 [2023-04-03 07:33:59,228 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-04-03 07:33:59,229 INFO L413 NwaCegarLoop]: 3506 mSDtfsCounter, 2268 mSDsluCounter, 8516 mSDsCounter, 0 mSdLazyCounter, 988 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2269 SdHoareTripleChecker+Valid, 12022 SdHoareTripleChecker+Invalid, 989 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 988 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-04-03 07:33:59,229 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2269 Valid, 12022 Invalid, 989 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 988 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-04-03 07:33:59,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20938 states. [2023-04-03 07:34:01,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20938 to 20938. [2023-04-03 07:34:01,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20938 states, 10873 states have (on average 1.2008645268095282) internal successors, (13057), 11254 states have internal predecessors, (13057), 7999 states have call successors, (7999), 2075 states have call predecessors, (7999), 2065 states have return successors, (8192), 7749 states have call predecessors, (8192), 7998 states have call successors, (8192) [2023-04-03 07:34:01,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20938 states to 20938 states and 29248 transitions. [2023-04-03 07:34:01,343 INFO L78 Accepts]: Start accepts. Automaton has 20938 states and 29248 transitions. Word has length 324 [2023-04-03 07:34:01,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:34:01,344 INFO L495 AbstractCegarLoop]: Abstraction has 20938 states and 29248 transitions. [2023-04-03 07:34:01,344 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 26.0) internal successors, (130), 4 states have internal predecessors, (130), 2 states have call successors, (57), 3 states have call predecessors, (57), 2 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) [2023-04-03 07:34:01,344 INFO L276 IsEmpty]: Start isEmpty. Operand 20938 states and 29248 transitions. [2023-04-03 07:34:01,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 363 [2023-04-03 07:34:01,350 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:34:01,350 INFO L195 NwaCegarLoop]: trace histogram [13, 11, 11, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 07:34:01,351 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-04-03 07:34:01,351 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_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 07:34:01,351 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:34:01,351 INFO L85 PathProgramCache]: Analyzing trace with hash -1810015367, now seen corresponding path program 1 times [2023-04-03 07:34:01,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:34:01,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383196231] [2023-04-03 07:34:01,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:34:01,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:34:01,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:34:02,068 INFO L134 CoverageAnalysis]: Checked inductivity of 424 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 424 trivial. 0 not checked. [2023-04-03 07:34:02,068 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:34:02,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1383196231] [2023-04-03 07:34:02,069 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1383196231] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:34:02,069 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:34:02,069 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 07:34:02,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2002237899] [2023-04-03 07:34:02,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:34:02,070 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 07:34:02,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:34:02,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 07:34:02,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 07:34:02,071 INFO L87 Difference]: Start difference. First operand 20938 states and 29248 transitions. Second operand has 5 states, 5 states have (on average 30.0) internal successors, (150), 4 states have internal predecessors, (150), 2 states have call successors, (65), 3 states have call predecessors, (65), 2 states have return successors, (58), 2 states have call predecessors, (58), 2 states have call successors, (58) [2023-04-03 07:34:05,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:34:05,447 INFO L93 Difference]: Finished difference Result 20938 states and 29248 transitions. [2023-04-03 07:34:05,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-04-03 07:34:05,447 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 30.0) internal successors, (150), 4 states have internal predecessors, (150), 2 states have call successors, (65), 3 states have call predecessors, (65), 2 states have return successors, (58), 2 states have call predecessors, (58), 2 states have call successors, (58) Word has length 362 [2023-04-03 07:34:05,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:34:05,449 INFO L225 Difference]: With dead ends: 20938 [2023-04-03 07:34:05,449 INFO L226 Difference]: Without dead ends: 0 [2023-04-03 07:34:05,514 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-04-03 07:34:05,515 INFO L413 NwaCegarLoop]: 2863 mSDtfsCounter, 1607 mSDsluCounter, 7834 mSDsCounter, 0 mSdLazyCounter, 951 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1608 SdHoareTripleChecker+Valid, 10697 SdHoareTripleChecker+Invalid, 951 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 951 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-04-03 07:34:05,515 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1608 Valid, 10697 Invalid, 951 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 951 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-04-03 07:34:05,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-04-03 07:34:05,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-04-03 07:34:05,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-04-03 07:34:05,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-04-03 07:34:05,524 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 362 [2023-04-03 07:34:05,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:34:05,524 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-04-03 07:34:05,524 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 30.0) internal successors, (150), 4 states have internal predecessors, (150), 2 states have call successors, (65), 3 states have call predecessors, (65), 2 states have return successors, (58), 2 states have call predecessors, (58), 2 states have call successors, (58) [2023-04-03 07:34:05,524 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-04-03 07:34:05,525 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-04-03 07:34:05,527 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2023-04-03 07:34:05,528 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 4 remaining) [2023-04-03 07:34:05,528 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 4 remaining) [2023-04-03 07:34:05,529 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 4 remaining) [2023-04-03 07:34:05,529 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-04-03 07:34:05,531 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.