/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/automizer/svcomp-Reach-32bit-Automizer_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml -i ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-rc-nuvoton-cir.cil.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-02 11:33:55,863 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-02 11:33:55,865 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-02 11:33:55,902 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-02 11:33:55,902 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-02 11:33:55,905 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-02 11:33:55,909 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-02 11:33:55,912 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-02 11:33:55,913 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-02 11:33:55,917 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-02 11:33:55,919 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-02 11:33:55,920 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-02 11:33:55,921 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-02 11:33:55,923 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-02 11:33:55,924 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-02 11:33:55,925 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-02 11:33:55,926 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-02 11:33:55,926 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-02 11:33:55,929 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-02 11:33:55,933 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-02 11:33:55,934 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-02 11:33:55,935 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-02 11:33:55,937 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-02 11:33:55,938 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-02 11:33:55,945 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-02 11:33:55,945 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-02 11:33:55,946 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-02 11:33:55,947 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-02 11:33:55,947 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-02 11:33:55,948 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-02 11:33:55,948 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-02 11:33:55,949 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-02 11:33:55,950 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-02 11:33:55,950 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-02 11:33:55,951 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-02 11:33:55,951 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-02 11:33:55,952 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-02 11:33:55,952 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-02 11:33:55,952 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-02 11:33:55,953 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-02 11:33:55,953 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-02 11:33:55,954 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-04-02 11:33:55,985 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-02 11:33:55,985 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-02 11:33:55,986 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-02 11:33:55,986 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-02 11:33:55,987 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-02 11:33:55,987 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-02 11:33:55,988 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-04-02 11:33:55,988 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-04-02 11:33:55,988 INFO L138 SettingsManager]: * Use SBE=true [2023-04-02 11:33:55,988 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-02 11:33:55,989 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-02 11:33:55,989 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-02 11:33:55,989 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-02 11:33:55,989 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-02 11:33:55,989 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-02 11:33:55,989 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-02 11:33:55,989 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-02 11:33:55,989 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-02 11:33:55,990 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-02 11:33:55,990 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-02 11:33:55,990 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-02 11:33:55,990 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-02 11:33:55,990 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-04-02 11:33:55,990 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-02 11:33:55,990 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 11:33:55,990 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-02 11:33:55,991 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-02 11:33:55,991 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-02 11:33:55,991 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-04-02 11:33:55,991 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-02 11:33:55,991 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-04-02 11:33:55,992 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-02 11:33:55,992 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-04-02 11:33:55,992 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-04-02 11:33:55,992 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-04-02 11:33:55,992 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-04-02 11:33:56,205 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-02 11:33:56,228 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-02 11:33:56,230 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-02 11:33:56,231 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-02 11:33:56,232 INFO L275 PluginConnector]: CDTParser initialized [2023-04-02 11:33:56,232 INFO L432 ainManager$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-media-rc-nuvoton-cir.cil.i [2023-04-02 11:33:57,365 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-02 11:33:57,777 INFO L351 CDTParser]: Found 1 translation units. [2023-04-02 11:33:57,778 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-media-rc-nuvoton-cir.cil.i [2023-04-02 11:33:57,810 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/95a7aef91/c996e5d1c8b0450caae4155d2c532710/FLAG9c36112a7 [2023-04-02 11:33:57,822 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/95a7aef91/c996e5d1c8b0450caae4155d2c532710 [2023-04-02 11:33:57,824 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-02 11:33:57,825 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-02 11:33:57,826 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-02 11:33:57,827 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-02 11:33:57,830 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-02 11:33:57,830 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 11:33:57" (1/1) ... [2023-04-02 11:33:57,831 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54c2402d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 11:33:57, skipping insertion in model container [2023-04-02 11:33:57,831 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 11:33:57" (1/1) ... [2023-04-02 11:33:57,837 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-02 11:33:57,934 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-02 11:33:59,101 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-media-rc-nuvoton-cir.cil.i[196376,196389] [2023-04-02 11:33:59,106 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-media-rc-nuvoton-cir.cil.i[196545,196558] [2023-04-02 11:33:59,106 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-media-rc-nuvoton-cir.cil.i[196712,196725] [2023-04-02 11:33:59,107 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-media-rc-nuvoton-cir.cil.i[196880,196893] [2023-04-02 11:33:59,116 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 11:33:59,137 INFO L203 MainTranslator]: Completed pre-run [2023-04-02 11:33:59,335 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-media-rc-nuvoton-cir.cil.i[196376,196389] [2023-04-02 11:33:59,336 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-media-rc-nuvoton-cir.cil.i[196545,196558] [2023-04-02 11:33:59,336 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-media-rc-nuvoton-cir.cil.i[196712,196725] [2023-04-02 11:33:59,337 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-media-rc-nuvoton-cir.cil.i[196880,196893] [2023-04-02 11:33:59,339 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 11:33:59,445 INFO L208 MainTranslator]: Completed translation [2023-04-02 11:33:59,446 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 11:33:59 WrapperNode [2023-04-02 11:33:59,446 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-02 11:33:59,447 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-02 11:33:59,447 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-02 11:33:59,447 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-02 11:33:59,456 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 11:33:59" (1/1) ... [2023-04-02 11:33:59,457 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 11:33:59" (1/1) ... [2023-04-02 11:33:59,525 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 11:33:59" (1/1) ... [2023-04-02 11:33:59,525 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 11:33:59" (1/1) ... [2023-04-02 11:33:59,617 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 11:33:59" (1/1) ... [2023-04-02 11:33:59,629 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 11:33:59" (1/1) ... [2023-04-02 11:33:59,670 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 11:33:59" (1/1) ... [2023-04-02 11:33:59,683 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 11:33:59" (1/1) ... [2023-04-02 11:33:59,725 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-02 11:33:59,726 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-02 11:33:59,726 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-02 11:33:59,726 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-02 11:33:59,727 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 11:33:59" (1/1) ... [2023-04-02 11:33:59,735 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 11:33:59,746 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 11:33:59,756 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) [2023-04-02 11:33:59,764 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 [2023-04-02 11:33:59,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-02 11:33:59,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-02 11:33:59,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2023-04-02 11:33:59,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-04-02 11:33:59,788 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-04-02 11:33:59,789 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-04-02 11:33:59,789 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-04-02 11:33:59,789 INFO L138 BoogieDeclarations]: Found implementation of procedure resource_size [2023-04-02 11:33:59,789 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2023-04-02 11:33:59,789 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2023-04-02 11:33:59,789 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_resource_valid [2023-04-02 11:33:59,789 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_resource_len [2023-04-02 11:33:59,789 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_port_start [2023-04-02 11:33:59,789 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_port_valid [2023-04-02 11:33:59,789 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_port_len [2023-04-02 11:33:59,790 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_irq [2023-04-02 11:33:59,790 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_irq_valid [2023-04-02 11:33:59,790 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_get_drvdata [2023-04-02 11:33:59,790 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_set_drvdata [2023-04-02 11:33:59,790 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2023-04-02 11:33:59,790 INFO L138 BoogieDeclarations]: Found implementation of procedure init_ir_raw_event [2023-04-02 11:33:59,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ir_raw_event_reset [2023-04-02 11:33:59,790 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_cr_write [2023-04-02 11:33:59,790 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_cr_read [2023-04-02 11:33:59,790 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_set_reg_bit [2023-04-02 11:33:59,790 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_efm_enable [2023-04-02 11:33:59,791 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_efm_disable [2023-04-02 11:33:59,791 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_select_logical_dev [2023-04-02 11:33:59,791 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_cir_reg_write [2023-04-02 11:33:59,791 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_cir_reg_read [2023-04-02 11:33:59,791 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_cir_wake_reg_write [2023-04-02 11:33:59,791 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_cir_wake_reg_read [2023-04-02 11:33:59,791 INFO L138 BoogieDeclarations]: Found implementation of procedure cir_dump_regs [2023-04-02 11:33:59,791 INFO L138 BoogieDeclarations]: Found implementation of procedure cir_wake_dump_regs [2023-04-02 11:33:59,791 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_hw_detect [2023-04-02 11:33:59,791 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_cir_ldev_init [2023-04-02 11:33:59,792 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_cir_wake_ldev_init [2023-04-02 11:33:59,792 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_clear_cir_fifo [2023-04-02 11:33:59,792 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_clear_cir_wake_fifo [2023-04-02 11:33:59,792 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_clear_tx_fifo [2023-04-02 11:33:59,792 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_set_cir_iren [2023-04-02 11:33:59,792 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_cir_regs_init [2023-04-02 11:33:59,792 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_cir_wake_regs_init [2023-04-02 11:33:59,792 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_enable_wake [2023-04-02 11:33:59,792 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_set_tx_carrier [2023-04-02 11:33:59,792 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_tx_ir [2023-04-02 11:33:59,792 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_dump_rx_buf [2023-04-02 11:33:59,793 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_process_rx_ir_data [2023-04-02 11:33:59,793 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_handle_rx_fifo_overrun [2023-04-02 11:33:59,793 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_get_rx_ir_data [2023-04-02 11:33:59,793 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_cir_log_irqs [2023-04-02 11:33:59,793 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_cir_tx_inactive [2023-04-02 11:33:59,793 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_cir_isr [2023-04-02 11:33:59,793 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_cir_wake_isr [2023-04-02 11:33:59,793 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_enable_cir [2023-04-02 11:33:59,793 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_disable_cir [2023-04-02 11:33:59,793 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_open [2023-04-02 11:33:59,794 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_close [2023-04-02 11:33:59,794 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_probe [2023-04-02 11:33:59,794 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_remove [2023-04-02 11:33:59,794 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_suspend [2023-04-02 11:33:59,794 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_resume [2023-04-02 11:33:59,794 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_shutdown [2023-04-02 11:33:59,794 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_init [2023-04-02 11:33:59,794 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_exit [2023-04-02 11:33:59,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_nvt_exit_8_2 [2023-04-02 11:33:59,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_init_nvt_init_8_7 [2023-04-02 11:33:59,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_allocate_external_0 [2023-04-02 11:33:59,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_base_instance_callback_2_9 [2023-04-02 11:33:59,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_base_instance_probe_2_16 [2023-04-02 11:33:59,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_base_instance_release_2_2 [2023-04-02 11:33:59,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_base_instance_resume_2_5 [2023-04-02 11:33:59,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_base_instance_suspend_2_7 [2023-04-02 11:33:59,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_deregister_6_1 [2023-04-02 11:33:59,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_irq_deregister_3_1 [2023-04-02 11:33:59,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_irq_register_4_2 [2023-04-02 11:33:59,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_irq_register_5_2 [2023-04-02 11:33:59,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_7_2 [2023-04-02 11:33:59,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_entry_EMGentry_8 [2023-04-02 11:33:59,796 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-02 11:33:59,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2023-04-02 11:33:59,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_external_data [2023-04-02 11:33:59,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_instance_handler_0_5 [2023-04-02 11:33:59,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_instance_handler_1_5 [2023-04-02 11:33:59,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_instance_thread_0_3 [2023-04-02 11:33:59,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_instance_thread_1_3 [2023-04-02 11:33:59,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_0 [2023-04-02 11:33:59,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_1 [2023-04-02 11:33:59,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pnp_register_driver [2023-04-02 11:33:59,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pnp_unregister_driver [2023-04-02 11:33:59,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2023-04-02 11:33:59,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_struct_pnp_driver_base_instance_2 [2023-04-02 11:33:59,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-04-02 11:33:59,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_1 [2023-04-02 11:33:59,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_6 [2023-04-02 11:33:59,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_1 [2023-04-02 11:33:59,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_6 [2023-04-02 11:33:59,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_2_10 [2023-04-02 11:33:59,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_2_19 [2023-04-02 11:33:59,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata_25 [2023-04-02 11:33:59,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata_26 [2023-04-02 11:33:59,798 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-04-02 11:33:59,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_44 [2023-04-02 11:33:59,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_45 [2023-04-02 11:33:59,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_46 [2023-04-02 11:33:59,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_47 [2023-04-02 11:33:59,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_48 [2023-04-02 11:33:59,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_50 [2023-04-02 11:33:59,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_52 [2023-04-02 11:33:59,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_54 [2023-04-02 11:33:59,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_56 [2023-04-02 11:33:59,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_58 [2023-04-02 11:33:59,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_60 [2023-04-02 11:33:59,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_62 [2023-04-02 11:33:59,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_64 [2023-04-02 11:33:59,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_66 [2023-04-02 11:33:59,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_67 [2023-04-02 11:33:59,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_68 [2023-04-02 11:33:59,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_69 [2023-04-02 11:33:59,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_71 [2023-04-02 11:33:59,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_72 [2023-04-02 11:33:59,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_73 [2023-04-02 11:33:59,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_75 [2023-04-02 11:33:59,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pnp_register_driver_77 [2023-04-02 11:33:59,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pnp_unregister_driver_78 [2023-04-02 11:33:59,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2023-04-02 11:33:59,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-04-02 11:33:59,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spi_alloc_master [2023-04-02 11:33:59,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-04-02 11:33:59,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2023-04-02 11:33:59,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2023-04-02 11:33:59,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2023-04-02 11:33:59,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-04-02 11:33:59,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_init [2023-04-02 11:33:59,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2023-04-02 11:33:59,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-04-02 11:33:59,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kzalloc [2023-04-02 11:33:59,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-04-02 11:33:59,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-04-02 11:33:59,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-04-02 11:33:59,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2023-04-02 11:33:59,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-04-02 11:33:59,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc [2023-04-02 11:33:59,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-04-02 11:33:59,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-04-02 11:33:59,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-04-02 11:33:59,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xzalloc [2023-04-02 11:33:59,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-04-02 11:33:59,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2023-04-02 11:33:59,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_negative [2023-04-02 11:33:59,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_nonpositive [2023-04-02 11:33:59,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_create [2023-04-02 11:33:59,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_create_N [2023-04-02 11:33:59,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_join [2023-04-02 11:33:59,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_join_N [2023-04-02 11:33:59,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_alloc_lock_of_task_struct [2023-04-02 11:33:59,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_alloc_lock_of_task_struct [2023-04-02 11:33:59,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_alloc_lock_of_task_struct [2023-04-02 11:33:59,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_alloc_lock_of_task_struct [2023-04-02 11:33:59,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_alloc_lock_of_task_struct [2023-04-02 11:33:59,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_alloc_lock_of_task_struct [2023-04-02 11:33:59,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_alloc_lock_of_task_struct [2023-04-02 11:33:59,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_alloc_lock_of_task_struct [2023-04-02 11:33:59,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_i_lock_of_inode [2023-04-02 11:33:59,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_i_lock_of_inode [2023-04-02 11:33:59,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_i_lock_of_inode [2023-04-02 11:33:59,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_i_lock_of_inode [2023-04-02 11:33:59,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_i_lock_of_inode [2023-04-02 11:33:59,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_i_lock_of_inode [2023-04-02 11:33:59,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_i_lock_of_inode [2023-04-02 11:33:59,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_i_lock_of_inode [2023-04-02 11:33:59,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock [2023-04-02 11:33:59,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock [2023-04-02 11:33:59,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_lock [2023-04-02 11:33:59,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_lock [2023-04-02 11:33:59,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_lock [2023-04-02 11:33:59,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_lock [2023-04-02 11:33:59,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_lock [2023-04-02 11:33:59,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_lock [2023-04-02 11:33:59,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_NOT_ARG_SIGN [2023-04-02 11:33:59,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_NOT_ARG_SIGN [2023-04-02 11:33:59,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_lock_of_NOT_ARG_SIGN [2023-04-02 11:33:59,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_lock_of_NOT_ARG_SIGN [2023-04-02 11:33:59,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_lock_of_NOT_ARG_SIGN [2023-04-02 11:33:59,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_lock_of_NOT_ARG_SIGN [2023-04-02 11:33:59,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_lock_of_NOT_ARG_SIGN [2023-04-02 11:33:59,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_lock_of_NOT_ARG_SIGN [2023-04-02 11:33:59,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_node_size_lock_of_pglist_data [2023-04-02 11:33:59,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_node_size_lock_of_pglist_data [2023-04-02 11:33:59,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_node_size_lock_of_pglist_data [2023-04-02 11:33:59,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_node_size_lock_of_pglist_data [2023-04-02 11:33:59,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_node_size_lock_of_pglist_data [2023-04-02 11:33:59,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_node_size_lock_of_pglist_data [2023-04-02 11:33:59,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_node_size_lock_of_pglist_data [2023-04-02 11:33:59,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_node_size_lock_of_pglist_data [2023-04-02 11:33:59,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_nvt_lock_of_nvt_dev [2023-04-02 11:33:59,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_nvt_lock_of_nvt_dev [2023-04-02 11:33:59,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_nvt_lock_of_nvt_dev [2023-04-02 11:33:59,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_nvt_lock_of_nvt_dev [2023-04-02 11:33:59,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_nvt_lock_of_nvt_dev [2023-04-02 11:33:59,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_nvt_lock_of_nvt_dev [2023-04-02 11:33:59,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_nvt_lock_of_nvt_dev [2023-04-02 11:33:59,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_nvt_lock_of_nvt_dev [2023-04-02 11:33:59,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_ptl [2023-04-02 11:33:59,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_ptl [2023-04-02 11:33:59,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_ptl [2023-04-02 11:33:59,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_ptl [2023-04-02 11:33:59,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_ptl [2023-04-02 11:33:59,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_ptl [2023-04-02 11:33:59,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_ptl [2023-04-02 11:33:59,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_ptl [2023-04-02 11:33:59,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_siglock_of_sighand_struct [2023-04-02 11:33:59,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_siglock_of_sighand_struct [2023-04-02 11:33:59,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_siglock_of_sighand_struct [2023-04-02 11:33:59,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_siglock_of_sighand_struct [2023-04-02 11:33:59,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_siglock_of_sighand_struct [2023-04-02 11:33:59,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_siglock_of_sighand_struct [2023-04-02 11:33:59,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_siglock_of_sighand_struct [2023-04-02 11:33:59,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_siglock_of_sighand_struct [2023-04-02 11:33:59,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-04-02 11:33:59,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2023-04-02 11:33:59,807 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-02 11:33:59,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-04-02 11:33:59,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2023-04-02 11:33:59,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-04-02 11:33:59,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-04-02 11:33:59,807 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2023-04-02 11:33:59,808 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2023-04-02 11:33:59,808 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-04-02 11:33:59,808 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2023-04-02 11:33:59,808 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2023-04-02 11:33:59,808 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2023-04-02 11:33:59,808 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2023-04-02 11:33:59,808 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-04-02 11:33:59,808 INFO L138 BoogieDeclarations]: Found implementation of procedure device_init_wakeup [2023-04-02 11:33:59,808 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2023-04-02 11:33:59,808 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-04-02 11:33:59,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ir_raw_event_handle [2023-04-02 11:33:59,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ir_raw_event_store [2023-04-02 11:33:59,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ir_raw_event_store_with_filter [2023-04-02 11:33:59,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2023-04-02 11:33:59,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2023-04-02 11:33:59,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-04-02 11:33:59,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2023-04-02 11:33:59,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-04-02 11:33:59,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-04-02 11:33:59,809 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_get_resource [2023-04-02 11:33:59,809 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_register_driver [2023-04-02 11:33:59,809 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_unregister_driver [2023-04-02 11:33:59,809 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2023-04-02 11:33:59,809 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-04-02 11:33:59,809 INFO L138 BoogieDeclarations]: Found implementation of procedure rc_allocate_device [2023-04-02 11:33:59,810 INFO L138 BoogieDeclarations]: Found implementation of procedure rc_free_device [2023-04-02 11:33:59,810 INFO L138 BoogieDeclarations]: Found implementation of procedure rc_register_device [2023-04-02 11:33:59,810 INFO L138 BoogieDeclarations]: Found implementation of procedure rc_unregister_device [2023-04-02 11:33:59,810 INFO L138 BoogieDeclarations]: Found implementation of procedure request_threaded_irq [2023-04-02 11:33:59,810 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2023-04-02 11:33:59,810 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-04-02 11:33:59,810 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-04-02 11:33:59,810 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-04-02 11:33:59,810 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-04-02 11:33:59,810 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2023-04-02 11:33:59,810 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2023-04-02 11:33:59,811 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-04-02 11:33:59,811 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kzalloc [2023-04-02 11:33:59,811 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-04-02 11:33:59,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-02 11:33:59,811 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-04-02 11:33:59,811 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2023-04-02 11:33:59,811 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2023-04-02 11:33:59,811 INFO L130 BoogieDeclarations]: Found specification of procedure strcpy [2023-04-02 11:33:59,811 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2023-04-02 11:33:59,811 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_44 [2023-04-02 11:33:59,811 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_46 [2023-04-02 11:33:59,811 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_48 [2023-04-02 11:33:59,811 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_50 [2023-04-02 11:33:59,812 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_52 [2023-04-02 11:33:59,812 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_54 [2023-04-02 11:33:59,812 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_56 [2023-04-02 11:33:59,812 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_58 [2023-04-02 11:33:59,812 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_60 [2023-04-02 11:33:59,812 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_62 [2023-04-02 11:33:59,812 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_64 [2023-04-02 11:33:59,812 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_69 [2023-04-02 11:33:59,812 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_73 [2023-04-02 11:33:59,812 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_75 [2023-04-02 11:33:59,812 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_NOT_ARG_SIGN [2023-04-02 11:33:59,812 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_NOT_ARG_SIGN [2023-04-02 11:33:59,813 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_nvt_lock_of_nvt_dev [2023-04-02 11:33:59,813 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_nvt_lock_of_nvt_dev [2023-04-02 11:33:59,813 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2023-04-02 11:33:59,813 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_init [2023-04-02 11:33:59,813 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-04-02 11:33:59,813 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-04-02 11:33:59,813 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-04-02 11:33:59,813 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-04-02 11:33:59,813 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-04-02 11:33:59,813 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-04-02 11:33:59,813 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-04-02 11:33:59,813 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-04-02 11:33:59,813 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-04-02 11:33:59,814 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-04-02 11:33:59,814 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2023-04-02 11:33:59,814 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-04-02 11:33:59,814 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-04-02 11:33:59,814 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_45 [2023-04-02 11:33:59,814 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_47 [2023-04-02 11:33:59,814 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2023-04-02 11:33:59,814 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2023-04-02 11:33:59,814 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2023-04-02 11:33:59,814 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2023-04-02 11:33:59,814 INFO L130 BoogieDeclarations]: Found specification of procedure resource_size [2023-04-02 11:33:59,814 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-02 11:33:59,814 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2023-04-02 11:33:59,815 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2023-04-02 11:33:59,815 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2023-04-02 11:33:59,815 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2023-04-02 11:33:59,815 INFO L130 BoogieDeclarations]: Found specification of procedure device_init_wakeup [2023-04-02 11:33:59,815 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata_25 [2023-04-02 11:33:59,815 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata_26 [2023-04-02 11:33:59,815 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-04-02 11:33:59,815 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_get_resource [2023-04-02 11:33:59,815 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_resource_valid [2023-04-02 11:33:59,815 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_resource_len [2023-04-02 11:33:59,815 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_port_start [2023-04-02 11:33:59,815 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_port_valid [2023-04-02 11:33:59,816 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_port_len [2023-04-02 11:33:59,816 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_irq [2023-04-02 11:33:59,816 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_irq_valid [2023-04-02 11:33:59,816 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_get_drvdata [2023-04-02 11:33:59,816 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_set_drvdata [2023-04-02 11:33:59,816 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_register_driver [2023-04-02 11:33:59,816 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pnp_register_driver_77 [2023-04-02 11:33:59,816 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_unregister_driver [2023-04-02 11:33:59,816 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pnp_unregister_driver_78 [2023-04-02 11:33:59,816 INFO L130 BoogieDeclarations]: Found specification of procedure request_threaded_irq [2023-04-02 11:33:59,816 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2023-04-02 11:33:59,816 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_66 [2023-04-02 11:33:59,816 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_67 [2023-04-02 11:33:59,816 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-04-02 11:33:59,817 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_68 [2023-04-02 11:33:59,817 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_71 [2023-04-02 11:33:59,817 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_72 [2023-04-02 11:33:59,817 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2023-04-02 11:33:59,817 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-04-02 11:33:59,817 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-04-02 11:33:59,817 INFO L130 BoogieDeclarations]: Found specification of procedure rc_allocate_device [2023-04-02 11:33:59,817 INFO L130 BoogieDeclarations]: Found specification of procedure rc_free_device [2023-04-02 11:33:59,817 INFO L130 BoogieDeclarations]: Found specification of procedure rc_register_device [2023-04-02 11:33:59,817 INFO L130 BoogieDeclarations]: Found specification of procedure rc_unregister_device [2023-04-02 11:33:59,817 INFO L130 BoogieDeclarations]: Found specification of procedure init_ir_raw_event [2023-04-02 11:33:59,817 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-04-02 11:33:59,817 INFO L130 BoogieDeclarations]: Found specification of procedure ir_raw_event_handle [2023-04-02 11:33:59,817 INFO L130 BoogieDeclarations]: Found specification of procedure ir_raw_event_store [2023-04-02 11:33:59,818 INFO L130 BoogieDeclarations]: Found specification of procedure ir_raw_event_store_with_filter [2023-04-02 11:33:59,818 INFO L130 BoogieDeclarations]: Found specification of procedure ir_raw_event_reset [2023-04-02 11:33:59,818 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-04-02 11:33:59,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-02 11:33:59,818 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-02 11:33:59,818 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_cr_write [2023-04-02 11:33:59,818 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_cr_read [2023-04-02 11:33:59,818 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_set_reg_bit [2023-04-02 11:33:59,818 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_efm_enable [2023-04-02 11:33:59,818 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_efm_disable [2023-04-02 11:33:59,818 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_select_logical_dev [2023-04-02 11:33:59,818 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_cir_reg_write [2023-04-02 11:33:59,818 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_cir_reg_read [2023-04-02 11:33:59,818 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_cir_wake_reg_write [2023-04-02 11:33:59,819 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_cir_wake_reg_read [2023-04-02 11:33:59,819 INFO L130 BoogieDeclarations]: Found specification of procedure cir_dump_regs [2023-04-02 11:33:59,819 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-02 11:33:59,819 INFO L130 BoogieDeclarations]: Found specification of procedure cir_wake_dump_regs [2023-04-02 11:33:59,819 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_hw_detect [2023-04-02 11:33:59,819 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2023-04-02 11:33:59,819 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_cir_ldev_init [2023-04-02 11:33:59,819 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_cir_wake_ldev_init [2023-04-02 11:33:59,819 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_clear_cir_fifo [2023-04-02 11:33:59,819 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_clear_cir_wake_fifo [2023-04-02 11:33:59,819 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_clear_tx_fifo [2023-04-02 11:33:59,819 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_set_cir_iren [2023-04-02 11:33:59,820 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_cir_regs_init [2023-04-02 11:33:59,820 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_cir_wake_regs_init [2023-04-02 11:33:59,820 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_enable_wake [2023-04-02 11:33:59,820 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_set_tx_carrier [2023-04-02 11:33:59,820 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-02 11:33:59,820 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_tx_ir [2023-04-02 11:33:59,820 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-04-02 11:33:59,820 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_dump_rx_buf [2023-04-02 11:33:59,820 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_process_rx_ir_data [2023-04-02 11:33:59,820 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_handle_rx_fifo_overrun [2023-04-02 11:33:59,820 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_get_rx_ir_data [2023-04-02 11:33:59,820 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_cir_log_irqs [2023-04-02 11:33:59,821 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_cir_tx_inactive [2023-04-02 11:33:59,821 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_cir_isr [2023-04-02 11:33:59,821 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_cir_wake_isr [2023-04-02 11:33:59,821 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_enable_cir [2023-04-02 11:33:59,821 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_disable_cir [2023-04-02 11:33:59,821 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_open [2023-04-02 11:33:59,821 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_close [2023-04-02 11:33:59,821 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_probe [2023-04-02 11:33:59,821 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_remove [2023-04-02 11:33:59,821 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_suspend [2023-04-02 11:33:59,821 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_resume [2023-04-02 11:33:59,821 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_shutdown [2023-04-02 11:33:59,822 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_init [2023-04-02 11:33:59,822 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_exit [2023-04-02 11:33:59,822 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_nvt_exit_8_2 [2023-04-02 11:33:59,822 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_init_nvt_init_8_7 [2023-04-02 11:33:59,822 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_allocate_external_0 [2023-04-02 11:33:59,822 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_base_instance_callback_2_9 [2023-04-02 11:33:59,822 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_base_instance_probe_2_16 [2023-04-02 11:33:59,822 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_base_instance_release_2_2 [2023-04-02 11:33:59,822 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_base_instance_resume_2_5 [2023-04-02 11:33:59,822 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_base_instance_suspend_2_7 [2023-04-02 11:33:59,822 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_deregister_6_1 [2023-04-02 11:33:59,822 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_irq_deregister_3_1 [2023-04-02 11:33:59,822 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_irq_register_4_2 [2023-04-02 11:33:59,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_irq_register_5_2 [2023-04-02 11:33:59,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_7_2 [2023-04-02 11:33:59,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_entry_EMGentry_8 [2023-04-02 11:33:59,823 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-02 11:33:59,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2023-04-02 11:33:59,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_external_data [2023-04-02 11:33:59,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_instance_handler_0_5 [2023-04-02 11:33:59,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_instance_handler_1_5 [2023-04-02 11:33:59,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_instance_thread_0_3 [2023-04-02 11:33:59,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_instance_thread_1_3 [2023-04-02 11:33:59,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_0 [2023-04-02 11:33:59,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_1 [2023-04-02 11:33:59,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pnp_register_driver [2023-04-02 11:33:59,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pnp_unregister_driver [2023-04-02 11:33:59,824 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2023-04-02 11:33:59,824 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_struct_pnp_driver_base_instance_2 [2023-04-02 11:33:59,824 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-04-02 11:33:59,824 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_1 [2023-04-02 11:33:59,824 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_6 [2023-04-02 11:33:59,824 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_1 [2023-04-02 11:33:59,824 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_6 [2023-04-02 11:33:59,824 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_2_10 [2023-04-02 11:33:59,824 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_2_19 [2023-04-02 11:33:59,824 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-04-02 11:33:59,824 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2023-04-02 11:33:59,824 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xzalloc [2023-04-02 11:33:59,824 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-04-02 11:33:59,824 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spi_alloc_master [2023-04-02 11:33:59,825 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-04-02 11:33:59,825 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2023-04-02 11:33:59,825 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2023-04-02 11:33:59,825 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2023-04-02 11:33:59,825 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2023-04-02 11:33:59,825 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-04-02 11:33:59,825 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-04-02 11:33:59,825 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2023-04-02 11:33:59,825 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-04-02 11:33:59,825 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2023-04-02 11:33:59,825 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2023-04-02 11:33:59,825 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2023-04-02 11:33:59,825 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-02 11:33:59,825 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2023-04-02 11:33:59,826 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-02 11:33:59,826 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-02 11:33:59,826 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-04-02 11:33:59,826 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2023-04-02 11:33:59,826 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_negative [2023-04-02 11:33:59,826 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_nonpositive [2023-04-02 11:33:59,826 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-02 11:33:59,826 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2023-04-02 11:33:59,826 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_create [2023-04-02 11:33:59,826 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_create_N [2023-04-02 11:33:59,827 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_join [2023-04-02 11:33:59,827 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_join_N [2023-04-02 11:33:59,827 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-04-02 11:33:59,827 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-04-02 11:33:59,827 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2023-04-02 11:33:59,827 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-04-02 11:33:59,827 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-04-02 11:33:59,827 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_alloc_lock_of_task_struct [2023-04-02 11:33:59,827 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_alloc_lock_of_task_struct [2023-04-02 11:33:59,827 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_alloc_lock_of_task_struct [2023-04-02 11:33:59,827 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_alloc_lock_of_task_struct [2023-04-02 11:33:59,827 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_alloc_lock_of_task_struct [2023-04-02 11:33:59,827 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_alloc_lock_of_task_struct [2023-04-02 11:33:59,827 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_alloc_lock_of_task_struct [2023-04-02 11:33:59,827 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_alloc_lock_of_task_struct [2023-04-02 11:33:59,828 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_i_lock_of_inode [2023-04-02 11:33:59,828 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_i_lock_of_inode [2023-04-02 11:33:59,828 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_i_lock_of_inode [2023-04-02 11:33:59,828 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_i_lock_of_inode [2023-04-02 11:33:59,828 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_i_lock_of_inode [2023-04-02 11:33:59,828 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_i_lock_of_inode [2023-04-02 11:33:59,828 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_i_lock_of_inode [2023-04-02 11:33:59,828 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_i_lock_of_inode [2023-04-02 11:33:59,828 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock [2023-04-02 11:33:59,828 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock [2023-04-02 11:33:59,828 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_lock [2023-04-02 11:33:59,828 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_lock [2023-04-02 11:33:59,828 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_lock [2023-04-02 11:33:59,828 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_lock [2023-04-02 11:33:59,828 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_lock [2023-04-02 11:33:59,829 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_lock [2023-04-02 11:33:59,829 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_lock_of_NOT_ARG_SIGN [2023-04-02 11:33:59,829 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_lock_of_NOT_ARG_SIGN [2023-04-02 11:33:59,829 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_lock_of_NOT_ARG_SIGN [2023-04-02 11:33:59,829 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_lock_of_NOT_ARG_SIGN [2023-04-02 11:33:59,829 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_lock_of_NOT_ARG_SIGN [2023-04-02 11:33:59,829 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_lock_of_NOT_ARG_SIGN [2023-04-02 11:33:59,829 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_node_size_lock_of_pglist_data [2023-04-02 11:33:59,829 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_node_size_lock_of_pglist_data [2023-04-02 11:33:59,829 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_node_size_lock_of_pglist_data [2023-04-02 11:33:59,829 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_node_size_lock_of_pglist_data [2023-04-02 11:33:59,829 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_node_size_lock_of_pglist_data [2023-04-02 11:33:59,829 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_node_size_lock_of_pglist_data [2023-04-02 11:33:59,829 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_node_size_lock_of_pglist_data [2023-04-02 11:33:59,830 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_node_size_lock_of_pglist_data [2023-04-02 11:33:59,830 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_nvt_lock_of_nvt_dev [2023-04-02 11:33:59,830 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_nvt_lock_of_nvt_dev [2023-04-02 11:33:59,830 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_nvt_lock_of_nvt_dev [2023-04-02 11:33:59,830 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_nvt_lock_of_nvt_dev [2023-04-02 11:33:59,830 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_nvt_lock_of_nvt_dev [2023-04-02 11:33:59,830 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_nvt_lock_of_nvt_dev [2023-04-02 11:33:59,830 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_ptl [2023-04-02 11:33:59,830 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_ptl [2023-04-02 11:33:59,830 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_ptl [2023-04-02 11:33:59,830 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_ptl [2023-04-02 11:33:59,830 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_ptl [2023-04-02 11:33:59,830 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_ptl [2023-04-02 11:33:59,831 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_ptl [2023-04-02 11:33:59,831 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_ptl [2023-04-02 11:33:59,831 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_siglock_of_sighand_struct [2023-04-02 11:33:59,831 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_siglock_of_sighand_struct [2023-04-02 11:33:59,831 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_siglock_of_sighand_struct [2023-04-02 11:33:59,831 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_siglock_of_sighand_struct [2023-04-02 11:33:59,831 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_siglock_of_sighand_struct [2023-04-02 11:33:59,831 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_siglock_of_sighand_struct [2023-04-02 11:33:59,831 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_siglock_of_sighand_struct [2023-04-02 11:33:59,831 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_siglock_of_sighand_struct [2023-04-02 11:33:59,831 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2023-04-02 11:33:59,831 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-02 11:33:59,831 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-02 11:33:59,832 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2023-04-02 11:33:59,832 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2023-04-02 11:33:59,832 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-02 11:33:59,832 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2023-04-02 11:33:59,832 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-02 11:33:59,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-02 11:33:59,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-04-02 11:33:59,832 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-02 11:33:59,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-04-02 11:33:59,832 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-04-02 11:33:59,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-04-02 11:33:59,832 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-04-02 11:34:00,356 INFO L236 CfgBuilder]: Building ICFG [2023-04-02 11:34:00,362 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-02 11:34:00,496 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-04-02 11:34:04,180 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint mainFINAL: assume true; [2023-04-02 11:34:04,502 INFO L277 CfgBuilder]: Performing block encoding [2023-04-02 11:34:04,524 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-02 11:34:04,524 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-04-02 11:34:04,528 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 11:34:04 BoogieIcfgContainer [2023-04-02 11:34:04,528 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-02 11:34:04,531 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-02 11:34:04,531 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-02 11:34:04,534 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-02 11:34:04,534 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.04 11:33:57" (1/3) ... [2023-04-02 11:34:04,534 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@493a6c51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 11:34:04, skipping insertion in model container [2023-04-02 11:34:04,535 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 11:33:59" (2/3) ... [2023-04-02 11:34:04,535 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@493a6c51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 11:34:04, skipping insertion in model container [2023-04-02 11:34:04,535 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 11:34:04" (3/3) ... [2023-04-02 11:34:04,536 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-rc-nuvoton-cir.cil.i [2023-04-02 11:34:04,551 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-02 11:34:04,551 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2023-04-02 11:34:04,634 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-02 11:34:04,639 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=PETRI_NET, 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;@7d9eebfb, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-04-02 11:34:04,639 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-04-02 11:34:04,649 INFO L276 IsEmpty]: Start isEmpty. Operand has 1955 states, 1090 states have (on average 1.2073394495412844) internal successors, (1316), 1121 states have internal predecessors, (1316), 613 states have call successors, (613), 177 states have call predecessors, (613), 175 states have return successors, (608), 600 states have call predecessors, (608), 608 states have call successors, (608) [2023-04-02 11:34:04,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-04-02 11:34:04,658 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 11:34:04,659 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 11:34:04,659 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_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-02 11:34:04,663 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 11:34:04,664 INFO L85 PathProgramCache]: Analyzing trace with hash -1311299252, now seen corresponding path program 1 times [2023-04-02 11:34:04,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 11:34:04,671 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1837562689] [2023-04-02 11:34:04,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 11:34:04,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 11:34:04,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:34:05,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 11:34:05,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:34:05,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 11:34:05,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:34:05,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 11:34:05,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:34:05,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 11:34:05,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:34:05,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 11:34:05,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:34:05,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:34:05,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:34:05,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 11:34:05,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:34:05,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:34:05,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:34:05,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 11:34:05,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:34:05,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:34:05,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:34:05,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-04-02 11:34:05,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:34:05,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-04-02 11:34:05,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:34:05,608 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-04-02 11:34:05,608 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 11:34:05,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1837562689] [2023-04-02 11:34:05,609 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1837562689] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 11:34:05,609 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 11:34:05,609 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-04-02 11:34:05,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [681889396] [2023-04-02 11:34:05,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 11:34:05,614 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-04-02 11:34:05,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 11:34:05,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-04-02 11:34:05,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-04-02 11:34:05,646 INFO L87 Difference]: Start difference. First operand has 1955 states, 1090 states have (on average 1.2073394495412844) internal successors, (1316), 1121 states have internal predecessors, (1316), 613 states have call successors, (613), 177 states have call predecessors, (613), 175 states have return successors, (608), 600 states have call predecessors, (608), 608 states have call successors, (608) Second operand has 6 states, 5 states have (on average 5.4) internal successors, (27), 3 states have internal predecessors, (27), 4 states have call successors, (14), 6 states have call predecessors, (14), 1 states have return successors, (10), 3 states have call predecessors, (10), 4 states have call successors, (10) [2023-04-02 11:34:24,000 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 11:34:26,365 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 11:34:29,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 11:34:29,957 INFO L93 Difference]: Finished difference Result 4984 states and 7013 transitions. [2023-04-02 11:34:29,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-04-02 11:34:29,959 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.4) internal successors, (27), 3 states have internal predecessors, (27), 4 states have call successors, (14), 6 states have call predecessors, (14), 1 states have return successors, (10), 3 states have call predecessors, (10), 4 states have call successors, (10) Word has length 69 [2023-04-02 11:34:29,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 11:34:29,998 INFO L225 Difference]: With dead ends: 4984 [2023-04-02 11:34:29,998 INFO L226 Difference]: Without dead ends: 3416 [2023-04-02 11:34:30,011 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2023-04-02 11:34:30,014 INFO L413 NwaCegarLoop]: 113 mSDtfsCounter, 6369 mSDsluCounter, 246 mSDsCounter, 0 mSdLazyCounter, 4848 mSolverCounterSat, 6588 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6565 SdHoareTripleChecker+Valid, 359 SdHoareTripleChecker+Invalid, 11438 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6588 IncrementalHoareTripleChecker+Valid, 4848 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.3s IncrementalHoareTripleChecker+Time [2023-04-02 11:34:30,015 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6565 Valid, 359 Invalid, 11438 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6588 Valid, 4848 Invalid, 2 Unknown, 0 Unchecked, 22.3s Time] [2023-04-02 11:34:30,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3416 states. [2023-04-02 11:34:30,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3416 to 3010. [2023-04-02 11:34:30,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3010 states, 1669 states have (on average 1.2025164769322947) internal successors, (2007), 1716 states have internal predecessors, (2007), 1030 states have call successors, (1030), 310 states have call predecessors, (1030), 308 states have return successors, (1027), 1016 states have call predecessors, (1027), 1026 states have call successors, (1027) [2023-04-02 11:34:30,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3010 states to 3010 states and 4064 transitions. [2023-04-02 11:34:30,973 INFO L78 Accepts]: Start accepts. Automaton has 3010 states and 4064 transitions. Word has length 69 [2023-04-02 11:34:30,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 11:34:30,974 INFO L495 AbstractCegarLoop]: Abstraction has 3010 states and 4064 transitions. [2023-04-02 11:34:30,974 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.4) internal successors, (27), 3 states have internal predecessors, (27), 4 states have call successors, (14), 6 states have call predecessors, (14), 1 states have return successors, (10), 3 states have call predecessors, (10), 4 states have call successors, (10) [2023-04-02 11:34:30,974 INFO L276 IsEmpty]: Start isEmpty. Operand 3010 states and 4064 transitions. [2023-04-02 11:34:30,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-04-02 11:34:30,980 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 11:34:30,981 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 11:34:30,981 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-02 11:34:30,981 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_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-02 11:34:30,982 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 11:34:30,982 INFO L85 PathProgramCache]: Analyzing trace with hash -1584279721, now seen corresponding path program 1 times [2023-04-02 11:34:30,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 11:34:30,982 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2067357587] [2023-04-02 11:34:30,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 11:34:30,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 11:34:31,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:34:31,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 11:34:31,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:34:31,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 11:34:31,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:34:31,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 11:34:31,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:34:31,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 11:34:31,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:34:31,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 11:34:31,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:34:31,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:34:31,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:34:31,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 11:34:31,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:34:31,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:34:31,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:34:31,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 11:34:31,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:34:31,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:34:31,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:34:31,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-04-02 11:34:31,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:34:31,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-04-02 11:34:31,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:34:31,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:34:31,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:34:31,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:34:31,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:34:31,573 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-04-02 11:34:31,574 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 11:34:31,574 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2067357587] [2023-04-02 11:34:31,574 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2067357587] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 11:34:31,574 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 11:34:31,574 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-04-02 11:34:31,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1510954828] [2023-04-02 11:34:31,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 11:34:31,578 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-04-02 11:34:31,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 11:34:31,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-04-02 11:34:31,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-04-02 11:34:31,579 INFO L87 Difference]: Start difference. First operand 3010 states and 4064 transitions. Second operand has 6 states, 5 states have (on average 9.4) internal successors, (47), 3 states have internal predecessors, (47), 4 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (12), 3 states have call predecessors, (12), 4 states have call successors, (12) [2023-04-02 11:34:46,127 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 11:34:48,136 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 11:34:50,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 11:34:50,333 INFO L93 Difference]: Finished difference Result 6143 states and 8405 transitions. [2023-04-02 11:34:50,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-04-02 11:34:50,333 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.4) internal successors, (47), 3 states have internal predecessors, (47), 4 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (12), 3 states have call predecessors, (12), 4 states have call successors, (12) Word has length 96 [2023-04-02 11:34:50,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 11:34:50,351 INFO L225 Difference]: With dead ends: 6143 [2023-04-02 11:34:50,351 INFO L226 Difference]: Without dead ends: 3155 [2023-04-02 11:34:50,361 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2023-04-02 11:34:50,362 INFO L413 NwaCegarLoop]: 138 mSDtfsCounter, 3181 mSDsluCounter, 252 mSDsCounter, 0 mSdLazyCounter, 5361 mSolverCounterSat, 2818 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3346 SdHoareTripleChecker+Valid, 390 SdHoareTripleChecker+Invalid, 8181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2818 IncrementalHoareTripleChecker+Valid, 5361 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.2s IncrementalHoareTripleChecker+Time [2023-04-02 11:34:50,362 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3346 Valid, 390 Invalid, 8181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2818 Valid, 5361 Invalid, 2 Unknown, 0 Unchecked, 17.2s Time] [2023-04-02 11:34:50,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3155 states. [2023-04-02 11:34:51,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3155 to 2697. [2023-04-02 11:34:51,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2697 states, 1560 states have (on average 1.2314102564102565) internal successors, (1921), 1628 states have internal predecessors, (1921), 837 states have call successors, (837), 297 states have call predecessors, (837), 297 states have return successors, (847), 818 states have call predecessors, (847), 833 states have call successors, (847) [2023-04-02 11:34:51,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2697 states to 2697 states and 3605 transitions. [2023-04-02 11:34:51,160 INFO L78 Accepts]: Start accepts. Automaton has 2697 states and 3605 transitions. Word has length 96 [2023-04-02 11:34:51,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 11:34:51,161 INFO L495 AbstractCegarLoop]: Abstraction has 2697 states and 3605 transitions. [2023-04-02 11:34:51,161 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.4) internal successors, (47), 3 states have internal predecessors, (47), 4 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (12), 3 states have call predecessors, (12), 4 states have call successors, (12) [2023-04-02 11:34:51,161 INFO L276 IsEmpty]: Start isEmpty. Operand 2697 states and 3605 transitions. [2023-04-02 11:34:51,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2023-04-02 11:34:51,168 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 11:34:51,169 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 11:34:51,169 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-02 11:34:51,169 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_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-02 11:34:51,169 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 11:34:51,169 INFO L85 PathProgramCache]: Analyzing trace with hash 878352328, now seen corresponding path program 1 times [2023-04-02 11:34:51,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 11:34:51,170 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2082867258] [2023-04-02 11:34:51,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 11:34:51,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 11:34:51,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:34:51,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 11:34:51,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:34:51,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 11:34:51,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:34:51,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 11:34:51,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:34:51,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 11:34:51,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:34:51,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 11:34:51,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:34:51,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:34:51,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:34:51,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 11:34:51,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:34:51,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:34:51,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:34:51,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 11:34:51,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:34:51,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:34:51,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:34:51,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-04-02 11:34:51,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:34:51,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-04-02 11:34:51,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:34:51,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-04-02 11:34:51,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:34:51,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:34:51,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:34:51,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-04-02 11:34:51,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:34:51,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:34:51,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:34:51,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-04-02 11:34:51,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:34:51,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:34:51,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:34:51,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-04-02 11:34:51,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:34:51,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:34:51,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:34:51,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-04-02 11:34:51,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:34:51,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:34:51,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:34:51,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2023-04-02 11:34:51,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:34:51,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:34:51,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:34:51,857 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-04-02 11:34:51,857 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 11:34:51,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2082867258] [2023-04-02 11:34:51,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2082867258] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 11:34:51,858 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 11:34:51,858 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-04-02 11:34:51,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068944889] [2023-04-02 11:34:51,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 11:34:51,859 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-04-02 11:34:51,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 11:34:51,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-04-02 11:34:51,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-04-02 11:34:51,860 INFO L87 Difference]: Start difference. First operand 2697 states and 3605 transitions. Second operand has 6 states, 5 states have (on average 10.6) internal successors, (53), 3 states have internal predecessors, (53), 4 states have call successors, (25), 6 states have call predecessors, (25), 1 states have return successors, (18), 3 states have call predecessors, (18), 4 states have call successors, (18) [2023-04-02 11:35:02,238 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 11:35:04,246 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 11:35:15,057 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 11:35:15,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 11:35:15,983 INFO L93 Difference]: Finished difference Result 7975 states and 10843 transitions. [2023-04-02 11:35:15,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-04-02 11:35:15,984 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.6) internal successors, (53), 3 states have internal predecessors, (53), 4 states have call successors, (25), 6 states have call predecessors, (25), 1 states have return successors, (18), 3 states have call predecessors, (18), 4 states have call successors, (18) Word has length 142 [2023-04-02 11:35:15,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 11:35:16,011 INFO L225 Difference]: With dead ends: 7975 [2023-04-02 11:35:16,012 INFO L226 Difference]: Without dead ends: 5300 [2023-04-02 11:35:16,019 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2023-04-02 11:35:16,020 INFO L413 NwaCegarLoop]: 113 mSDtfsCounter, 4611 mSDsluCounter, 267 mSDsCounter, 0 mSdLazyCounter, 5317 mSolverCounterSat, 4673 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4800 SdHoareTripleChecker+Valid, 380 SdHoareTripleChecker+Invalid, 9993 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4673 IncrementalHoareTripleChecker+Valid, 5317 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.3s IncrementalHoareTripleChecker+Time [2023-04-02 11:35:16,020 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4800 Valid, 380 Invalid, 9993 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4673 Valid, 5317 Invalid, 3 Unknown, 0 Unchecked, 22.3s Time] [2023-04-02 11:35:16,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5300 states. [2023-04-02 11:35:17,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5300 to 4619. [2023-04-02 11:35:17,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4619 states, 2655 states have (on average 1.215819209039548) internal successors, (3228), 2766 states have internal predecessors, (3228), 1437 states have call successors, (1437), 511 states have call predecessors, (1437), 524 states have return successors, (1493), 1410 states have call predecessors, (1493), 1433 states have call successors, (1493) [2023-04-02 11:35:17,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4619 states to 4619 states and 6158 transitions. [2023-04-02 11:35:17,223 INFO L78 Accepts]: Start accepts. Automaton has 4619 states and 6158 transitions. Word has length 142 [2023-04-02 11:35:17,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 11:35:17,223 INFO L495 AbstractCegarLoop]: Abstraction has 4619 states and 6158 transitions. [2023-04-02 11:35:17,224 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.6) internal successors, (53), 3 states have internal predecessors, (53), 4 states have call successors, (25), 6 states have call predecessors, (25), 1 states have return successors, (18), 3 states have call predecessors, (18), 4 states have call successors, (18) [2023-04-02 11:35:17,224 INFO L276 IsEmpty]: Start isEmpty. Operand 4619 states and 6158 transitions. [2023-04-02 11:35:17,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2023-04-02 11:35:17,226 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 11:35:17,226 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 4, 4, 4, 3, 3, 3, 3, 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] [2023-04-02 11:35:17,227 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-02 11:35:17,227 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_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-02 11:35:17,227 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 11:35:17,227 INFO L85 PathProgramCache]: Analyzing trace with hash -665969563, now seen corresponding path program 1 times [2023-04-02 11:35:17,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 11:35:17,228 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761971177] [2023-04-02 11:35:17,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 11:35:17,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 11:35:17,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:35:17,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 11:35:17,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:35:17,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 11:35:17,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:35:17,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 11:35:17,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:35:17,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 11:35:17,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:35:17,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 11:35:17,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:35:17,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:35:17,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:35:17,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 11:35:17,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:35:17,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:35:17,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:35:17,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 11:35:17,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:35:17,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:35:17,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:35:17,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-04-02 11:35:17,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:35:17,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-04-02 11:35:17,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:35:17,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-04-02 11:35:17,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:35:17,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 11:35:17,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:35:17,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:35:17,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:35:17,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:35:17,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:35:17,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:35:17,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:35:17,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 11:35:17,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:35:17,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:35:17,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:35:17,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-04-02 11:35:17,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:35:17,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-04-02 11:35:17,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:35:17,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:35:17,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:35:17,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:35:17,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:35:17,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-04-02 11:35:17,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:35:17,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2023-04-02 11:35:17,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:35:17,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-04-02 11:35:17,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:35:17,779 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-04-02 11:35:17,779 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 11:35:17,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1761971177] [2023-04-02 11:35:17,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1761971177] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 11:35:17,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [842962309] [2023-04-02 11:35:17,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 11:35:17,780 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 11:35:17,780 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 11:35:17,785 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-02 11:35:17,813 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-04-02 11:35:18,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:35:18,365 INFO L262 TraceCheckSpWp]: Trace formula consists of 1932 conjuncts, 4 conjunts are in the unsatisfiable core [2023-04-02 11:35:18,378 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 11:35:18,469 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2023-04-02 11:35:18,470 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-02 11:35:18,470 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [842962309] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 11:35:18,470 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-02 11:35:18,470 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2023-04-02 11:35:18,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [841584575] [2023-04-02 11:35:18,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 11:35:18,472 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-02 11:35:18,472 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 11:35:18,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-02 11:35:18,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2023-04-02 11:35:18,474 INFO L87 Difference]: Start difference. First operand 4619 states and 6158 transitions. Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (28), 3 states have call predecessors, (28), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2023-04-02 11:35:20,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 11:35:20,572 INFO L93 Difference]: Finished difference Result 12611 states and 16901 transitions. [2023-04-02 11:35:20,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-02 11:35:20,572 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (28), 3 states have call predecessors, (28), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 146 [2023-04-02 11:35:20,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 11:35:20,609 INFO L225 Difference]: With dead ends: 12611 [2023-04-02 11:35:20,610 INFO L226 Difference]: Without dead ends: 8436 [2023-04-02 11:35:20,623 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 195 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2023-04-02 11:35:20,624 INFO L413 NwaCegarLoop]: 2961 mSDtfsCounter, 2025 mSDsluCounter, 2040 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2025 SdHoareTripleChecker+Valid, 5001 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-02 11:35:20,625 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2025 Valid, 5001 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-02 11:35:20,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8436 states. [2023-04-02 11:35:22,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8436 to 8418. [2023-04-02 11:35:22,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8418 states, 4837 states have (on average 1.2183171387223486) internal successors, (5893), 5030 states have internal predecessors, (5893), 2647 states have call successors, (2647), 902 states have call predecessors, (2647), 931 states have return successors, (2749), 2610 states have call predecessors, (2749), 2643 states have call successors, (2749) [2023-04-02 11:35:22,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8418 states to 8418 states and 11289 transitions. [2023-04-02 11:35:22,899 INFO L78 Accepts]: Start accepts. Automaton has 8418 states and 11289 transitions. Word has length 146 [2023-04-02 11:35:22,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 11:35:22,900 INFO L495 AbstractCegarLoop]: Abstraction has 8418 states and 11289 transitions. [2023-04-02 11:35:22,900 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (28), 3 states have call predecessors, (28), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2023-04-02 11:35:22,900 INFO L276 IsEmpty]: Start isEmpty. Operand 8418 states and 11289 transitions. [2023-04-02 11:35:22,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2023-04-02 11:35:22,902 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 11:35:22,903 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 4, 4, 4, 3, 3, 3, 3, 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] [2023-04-02 11:35:22,915 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-04-02 11:35:23,112 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 11:35:23,113 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_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-02 11:35:23,113 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 11:35:23,113 INFO L85 PathProgramCache]: Analyzing trace with hash 1823559399, now seen corresponding path program 1 times [2023-04-02 11:35:23,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 11:35:23,114 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [234597746] [2023-04-02 11:35:23,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 11:35:23,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 11:35:23,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:35:23,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 11:35:23,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:35:23,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 11:35:23,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:35:23,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 11:35:23,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:35:23,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 11:35:23,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:35:23,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 11:35:23,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:35:23,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:35:23,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:35:23,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 11:35:23,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:35:23,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:35:23,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:35:23,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 11:35:23,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:35:23,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:35:23,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:35:23,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-04-02 11:35:23,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:35:23,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-04-02 11:35:23,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:35:23,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-04-02 11:35:23,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:35:23,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 11:35:23,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:35:23,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:35:23,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:35:23,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:35:23,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:35:23,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:35:23,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:35:23,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 11:35:23,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:35:23,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:35:23,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:35:23,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-04-02 11:35:23,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:35:23,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-04-02 11:35:23,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:35:23,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:35:23,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:35:23,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:35:23,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:35:23,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-04-02 11:35:23,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:35:23,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2023-04-02 11:35:23,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:35:23,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-04-02 11:35:23,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:35:23,825 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2023-04-02 11:35:23,825 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 11:35:23,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [234597746] [2023-04-02 11:35:23,826 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [234597746] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 11:35:23,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1187635946] [2023-04-02 11:35:23,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 11:35:23,826 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 11:35:23,826 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 11:35:23,827 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-02 11:35:23,833 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-04-02 11:35:24,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:35:24,356 INFO L262 TraceCheckSpWp]: Trace formula consists of 1933 conjuncts, 8 conjunts are in the unsatisfiable core [2023-04-02 11:35:24,362 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 11:35:24,586 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2023-04-02 11:35:24,586 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-02 11:35:24,586 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1187635946] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 11:35:24,586 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-02 11:35:24,587 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10] total 12 [2023-04-02 11:35:24,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1314297995] [2023-04-02 11:35:24,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 11:35:24,587 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-02 11:35:24,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 11:35:24,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-02 11:35:24,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2023-04-02 11:35:24,588 INFO L87 Difference]: Start difference. First operand 8418 states and 11289 transitions. Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2023-04-02 11:35:26,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 11:35:26,879 INFO L93 Difference]: Finished difference Result 8424 states and 11294 transitions. [2023-04-02 11:35:26,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-04-02 11:35:26,879 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) Word has length 146 [2023-04-02 11:35:26,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 11:35:26,917 INFO L225 Difference]: With dead ends: 8424 [2023-04-02 11:35:26,917 INFO L226 Difference]: Without dead ends: 8422 [2023-04-02 11:35:26,924 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 191 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2023-04-02 11:35:26,924 INFO L413 NwaCegarLoop]: 2103 mSDtfsCounter, 2011 mSDsluCounter, 4199 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2012 SdHoareTripleChecker+Valid, 6302 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-02 11:35:26,925 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2012 Valid, 6302 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-02 11:35:26,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8422 states. [2023-04-02 11:35:28,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8422 to 8422. [2023-04-02 11:35:28,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8422 states, 4840 states have (on average 1.2181818181818183) internal successors, (5896), 5033 states have internal predecessors, (5896), 2647 states have call successors, (2647), 903 states have call predecessors, (2647), 932 states have return successors, (2749), 2610 states have call predecessors, (2749), 2643 states have call successors, (2749) [2023-04-02 11:35:28,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8422 states to 8422 states and 11292 transitions. [2023-04-02 11:35:28,830 INFO L78 Accepts]: Start accepts. Automaton has 8422 states and 11292 transitions. Word has length 146 [2023-04-02 11:35:28,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 11:35:28,830 INFO L495 AbstractCegarLoop]: Abstraction has 8422 states and 11292 transitions. [2023-04-02 11:35:28,831 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2023-04-02 11:35:28,831 INFO L276 IsEmpty]: Start isEmpty. Operand 8422 states and 11292 transitions. [2023-04-02 11:35:28,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2023-04-02 11:35:28,834 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 11:35:28,834 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 4, 4, 3, 3, 3, 3, 3, 3, 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] [2023-04-02 11:35:28,845 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-04-02 11:35:29,045 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 11:35:29,046 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-02 11:35:29,046 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 11:35:29,047 INFO L85 PathProgramCache]: Analyzing trace with hash 2048816048, now seen corresponding path program 1 times [2023-04-02 11:35:29,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 11:35:29,047 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [210851008] [2023-04-02 11:35:29,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 11:35:29,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 11:35:29,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:35:29,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 11:35:29,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:35:29,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 11:35:29,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:35:29,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 11:35:29,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:35:29,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 11:35:29,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:35:29,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 11:35:29,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:35:29,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:35:29,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:35:29,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 11:35:29,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:35:29,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:35:29,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:35:29,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 11:35:29,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:35:29,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:35:29,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:35:29,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-04-02 11:35:29,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:35:29,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-04-02 11:35:29,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:35:29,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-04-02 11:35:29,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:35:29,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:35:29,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:35:29,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 11:35:29,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:35:29,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-04-02 11:35:29,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:35:29,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:35:29,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:35:29,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 11:35:29,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:35:29,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-04-02 11:35:29,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:35:29,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:35:29,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:35:29,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-04-02 11:35:29,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:35:29,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:35:29,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:35:29,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-04-02 11:35:29,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:35:29,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:35:29,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:35:29,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2023-04-02 11:35:29,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:35:29,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:35:29,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:35:29,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-04-02 11:35:29,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:35:29,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:35:29,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:35:29,616 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2023-04-02 11:35:29,616 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 11:35:29,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [210851008] [2023-04-02 11:35:29,616 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [210851008] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 11:35:29,616 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 11:35:29,617 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-04-02 11:35:29,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1134500420] [2023-04-02 11:35:29,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 11:35:29,617 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-04-02 11:35:29,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 11:35:29,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-04-02 11:35:29,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-04-02 11:35:29,618 INFO L87 Difference]: Start difference. First operand 8422 states and 11292 transitions. Second operand has 6 states, 5 states have (on average 12.0) internal successors, (60), 3 states have internal predecessors, (60), 4 states have call successors, (32), 6 states have call predecessors, (32), 1 states have return successors, (24), 3 states have call predecessors, (24), 4 states have call successors, (24) [2023-04-02 11:35:38,629 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 11:35:40,638 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 11:35:54,812 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 11:35:55,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 11:35:55,767 INFO L93 Difference]: Finished difference Result 23263 states and 31467 transitions. [2023-04-02 11:35:55,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-04-02 11:35:55,767 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.0) internal successors, (60), 3 states have internal predecessors, (60), 4 states have call successors, (32), 6 states have call predecessors, (32), 1 states have return successors, (24), 3 states have call predecessors, (24), 4 states have call successors, (24) Word has length 158 [2023-04-02 11:35:55,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 11:35:55,835 INFO L225 Difference]: With dead ends: 23263 [2023-04-02 11:35:55,835 INFO L226 Difference]: Without dead ends: 14863 [2023-04-02 11:35:55,864 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2023-04-02 11:35:55,865 INFO L413 NwaCegarLoop]: 134 mSDtfsCounter, 3818 mSDsluCounter, 276 mSDsCounter, 0 mSdLazyCounter, 5671 mSolverCounterSat, 3944 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3983 SdHoareTripleChecker+Valid, 410 SdHoareTripleChecker+Invalid, 9618 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3944 IncrementalHoareTripleChecker+Valid, 5671 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.2s IncrementalHoareTripleChecker+Time [2023-04-02 11:35:55,865 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3983 Valid, 410 Invalid, 9618 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3944 Valid, 5671 Invalid, 3 Unknown, 0 Unchecked, 22.2s Time] [2023-04-02 11:35:55,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14863 states. [2023-04-02 11:35:59,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14863 to 13449. [2023-04-02 11:35:59,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13449 states, 7613 states have (on average 1.1875738867726258) internal successors, (9041), 7883 states have internal predecessors, (9041), 4319 states have call successors, (4319), 1452 states have call predecessors, (4319), 1514 states have return successors, (4627), 4242 states have call predecessors, (4627), 4315 states have call successors, (4627) [2023-04-02 11:35:59,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13449 states to 13449 states and 17987 transitions. [2023-04-02 11:35:59,277 INFO L78 Accepts]: Start accepts. Automaton has 13449 states and 17987 transitions. Word has length 158 [2023-04-02 11:35:59,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 11:35:59,277 INFO L495 AbstractCegarLoop]: Abstraction has 13449 states and 17987 transitions. [2023-04-02 11:35:59,277 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.0) internal successors, (60), 3 states have internal predecessors, (60), 4 states have call successors, (32), 6 states have call predecessors, (32), 1 states have return successors, (24), 3 states have call predecessors, (24), 4 states have call successors, (24) [2023-04-02 11:35:59,278 INFO L276 IsEmpty]: Start isEmpty. Operand 13449 states and 17987 transitions. [2023-04-02 11:35:59,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2023-04-02 11:35:59,279 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 11:35:59,280 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 11:35:59,280 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-04-02 11:35:59,280 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_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-02 11:35:59,280 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 11:35:59,280 INFO L85 PathProgramCache]: Analyzing trace with hash 1364547979, now seen corresponding path program 1 times [2023-04-02 11:35:59,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 11:35:59,280 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348047950] [2023-04-02 11:35:59,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 11:35:59,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 11:35:59,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:35:59,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 11:35:59,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:35:59,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 11:35:59,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:35:59,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 11:35:59,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:35:59,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 11:35:59,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:35:59,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 11:35:59,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:35:59,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:35:59,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:35:59,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 11:35:59,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:35:59,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:35:59,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:35:59,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 11:35:59,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:35:59,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:35:59,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:35:59,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-04-02 11:35:59,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:35:59,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-04-02 11:35:59,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:35:59,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-04-02 11:35:59,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:35:59,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 11:35:59,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:35:59,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:35:59,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:35:59,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:35:59,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:35:59,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:35:59,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:35:59,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 11:35:59,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:35:59,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:35:59,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:35:59,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-04-02 11:35:59,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:35:59,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-04-02 11:35:59,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:35:59,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:35:59,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:35:59,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:35:59,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:35:59,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-04-02 11:35:59,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:35:59,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2023-04-02 11:35:59,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:35:59,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-04-02 11:35:59,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:35:59,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2023-04-02 11:35:59,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:35:59,899 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2023-04-02 11:35:59,899 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 11:35:59,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [348047950] [2023-04-02 11:35:59,899 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [348047950] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 11:35:59,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1078788735] [2023-04-02 11:35:59,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 11:35:59,900 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 11:35:59,900 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 11:35:59,901 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-02 11:35:59,903 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-04-02 11:36:00,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:00,427 INFO L262 TraceCheckSpWp]: Trace formula consists of 1942 conjuncts, 8 conjunts are in the unsatisfiable core [2023-04-02 11:36:00,432 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 11:36:00,632 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2023-04-02 11:36:00,632 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-02 11:36:00,883 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2023-04-02 11:36:00,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1078788735] provided 1 perfect and 1 imperfect interpolant sequences [2023-04-02 11:36:00,883 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-04-02 11:36:00,884 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10, 5] total 12 [2023-04-02 11:36:00,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [943881603] [2023-04-02 11:36:00,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 11:36:00,885 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-02 11:36:00,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 11:36:00,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-02 11:36:00,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2023-04-02 11:36:00,887 INFO L87 Difference]: Start difference. First operand 13449 states and 17987 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (28), 3 states have call predecessors, (28), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-04-02 11:36:03,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 11:36:03,753 INFO L93 Difference]: Finished difference Result 13455 states and 17992 transitions. [2023-04-02 11:36:03,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-02 11:36:03,754 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (28), 3 states have call predecessors, (28), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 151 [2023-04-02 11:36:03,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 11:36:03,809 INFO L225 Difference]: With dead ends: 13455 [2023-04-02 11:36:03,809 INFO L226 Difference]: Without dead ends: 13453 [2023-04-02 11:36:03,819 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 362 GetRequests, 349 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2023-04-02 11:36:03,820 INFO L413 NwaCegarLoop]: 2106 mSDtfsCounter, 2084 mSDsluCounter, 4198 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2090 SdHoareTripleChecker+Valid, 6304 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-02 11:36:03,820 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2090 Valid, 6304 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-02 11:36:03,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13453 states. [2023-04-02 11:36:07,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13453 to 13453. [2023-04-02 11:36:07,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13453 states, 7616 states have (on average 1.1875) internal successors, (9044), 7886 states have internal predecessors, (9044), 4319 states have call successors, (4319), 1453 states have call predecessors, (4319), 1515 states have return successors, (4627), 4242 states have call predecessors, (4627), 4315 states have call successors, (4627) [2023-04-02 11:36:07,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13453 states to 13453 states and 17990 transitions. [2023-04-02 11:36:07,204 INFO L78 Accepts]: Start accepts. Automaton has 13453 states and 17990 transitions. Word has length 151 [2023-04-02 11:36:07,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 11:36:07,205 INFO L495 AbstractCegarLoop]: Abstraction has 13453 states and 17990 transitions. [2023-04-02 11:36:07,205 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (28), 3 states have call predecessors, (28), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-04-02 11:36:07,205 INFO L276 IsEmpty]: Start isEmpty. Operand 13453 states and 17990 transitions. [2023-04-02 11:36:07,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2023-04-02 11:36:07,207 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 11:36:07,207 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 11:36:07,219 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-04-02 11:36:07,417 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 11:36:07,417 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_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-02 11:36:07,417 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 11:36:07,418 INFO L85 PathProgramCache]: Analyzing trace with hash -610308825, now seen corresponding path program 1 times [2023-04-02 11:36:07,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 11:36:07,418 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1476636011] [2023-04-02 11:36:07,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 11:36:07,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 11:36:07,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:07,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 11:36:07,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:07,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 11:36:07,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:07,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 11:36:07,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:07,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 11:36:07,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:07,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 11:36:07,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:07,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:36:07,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:07,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 11:36:07,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:07,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:36:07,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:07,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 11:36:07,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:07,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:36:07,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:07,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-04-02 11:36:07,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:07,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-04-02 11:36:07,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:07,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-04-02 11:36:07,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:07,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 11:36:07,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:07,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:36:07,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:07,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:36:07,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:07,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:36:07,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:07,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 11:36:07,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:07,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:36:07,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:07,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-04-02 11:36:07,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:08,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-04-02 11:36:08,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:08,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:36:08,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:08,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:36:08,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:08,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-04-02 11:36:08,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:08,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2023-04-02 11:36:08,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:08,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-04-02 11:36:08,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:08,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2023-04-02 11:36:08,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:08,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-04-02 11:36:08,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:08,030 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2023-04-02 11:36:08,030 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 11:36:08,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1476636011] [2023-04-02 11:36:08,030 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1476636011] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 11:36:08,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [36511077] [2023-04-02 11:36:08,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 11:36:08,031 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 11:36:08,031 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 11:36:08,032 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-02 11:36:08,034 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-04-02 11:36:08,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:08,564 INFO L262 TraceCheckSpWp]: Trace formula consists of 1951 conjuncts, 8 conjunts are in the unsatisfiable core [2023-04-02 11:36:08,568 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 11:36:08,853 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2023-04-02 11:36:08,853 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-02 11:36:09,100 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2023-04-02 11:36:09,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [36511077] provided 1 perfect and 1 imperfect interpolant sequences [2023-04-02 11:36:09,101 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-04-02 11:36:09,101 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10, 5] total 12 [2023-04-02 11:36:09,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353482301] [2023-04-02 11:36:09,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 11:36:09,102 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-02 11:36:09,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 11:36:09,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-02 11:36:09,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2023-04-02 11:36:09,103 INFO L87 Difference]: Start difference. First operand 13453 states and 17990 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 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) [2023-04-02 11:36:12,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 11:36:12,196 INFO L93 Difference]: Finished difference Result 13459 states and 17995 transitions. [2023-04-02 11:36:12,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-02 11:36:12,196 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 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 156 [2023-04-02 11:36:12,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 11:36:12,251 INFO L225 Difference]: With dead ends: 13459 [2023-04-02 11:36:12,251 INFO L226 Difference]: Without dead ends: 13457 [2023-04-02 11:36:12,261 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 374 GetRequests, 361 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2023-04-02 11:36:12,261 INFO L413 NwaCegarLoop]: 2106 mSDtfsCounter, 2084 mSDsluCounter, 4198 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2089 SdHoareTripleChecker+Valid, 6304 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-02 11:36:12,262 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2089 Valid, 6304 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-02 11:36:12,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13457 states. [2023-04-02 11:36:15,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13457 to 13457. [2023-04-02 11:36:15,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13457 states, 7619 states have (on average 1.1874261714135714) internal successors, (9047), 7889 states have internal predecessors, (9047), 4319 states have call successors, (4319), 1454 states have call predecessors, (4319), 1516 states have return successors, (4627), 4242 states have call predecessors, (4627), 4315 states have call successors, (4627) [2023-04-02 11:36:15,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13457 states to 13457 states and 17993 transitions. [2023-04-02 11:36:15,532 INFO L78 Accepts]: Start accepts. Automaton has 13457 states and 17993 transitions. Word has length 156 [2023-04-02 11:36:15,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 11:36:15,533 INFO L495 AbstractCegarLoop]: Abstraction has 13457 states and 17993 transitions. [2023-04-02 11:36:15,533 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 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) [2023-04-02 11:36:15,533 INFO L276 IsEmpty]: Start isEmpty. Operand 13457 states and 17993 transitions. [2023-04-02 11:36:15,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2023-04-02 11:36:15,535 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 11:36:15,535 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 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] [2023-04-02 11:36:15,551 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-04-02 11:36:15,745 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 11:36:15,745 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_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-02 11:36:15,746 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 11:36:15,746 INFO L85 PathProgramCache]: Analyzing trace with hash -1510321461, now seen corresponding path program 1 times [2023-04-02 11:36:15,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 11:36:15,746 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [847713465] [2023-04-02 11:36:15,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 11:36:15,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 11:36:15,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:16,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 11:36:16,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:16,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 11:36:16,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:16,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 11:36:16,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:16,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 11:36:16,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:16,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 11:36:16,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:16,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:36:16,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:16,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 11:36:16,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:16,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:36:16,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:16,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 11:36:16,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:16,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:36:16,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:16,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-04-02 11:36:16,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:16,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-04-02 11:36:16,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:16,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-04-02 11:36:16,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:16,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 11:36:16,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:16,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:36:16,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:16,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:36:16,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:16,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:36:16,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:16,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 11:36:16,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:16,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:36:16,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:16,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-04-02 11:36:16,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:16,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-04-02 11:36:16,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:16,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:36:16,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:16,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:36:16,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:16,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-04-02 11:36:16,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:16,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2023-04-02 11:36:16,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:16,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-04-02 11:36:16,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:16,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2023-04-02 11:36:16,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:16,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-04-02 11:36:16,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:16,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2023-04-02 11:36:16,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:16,406 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2023-04-02 11:36:16,406 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 11:36:16,406 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [847713465] [2023-04-02 11:36:16,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [847713465] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 11:36:16,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1597926313] [2023-04-02 11:36:16,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 11:36:16,407 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 11:36:16,407 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 11:36:16,408 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-02 11:36:16,411 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-04-02 11:36:16,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:16,899 INFO L262 TraceCheckSpWp]: Trace formula consists of 1960 conjuncts, 12 conjunts are in the unsatisfiable core [2023-04-02 11:36:16,903 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 11:36:17,104 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2023-04-02 11:36:17,105 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-02 11:36:17,282 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2023-04-02 11:36:17,282 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1597926313] provided 1 perfect and 1 imperfect interpolant sequences [2023-04-02 11:36:17,282 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-04-02 11:36:17,282 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10, 5] total 12 [2023-04-02 11:36:17,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [726146466] [2023-04-02 11:36:17,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 11:36:17,283 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-02 11:36:17,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 11:36:17,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-02 11:36:17,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2023-04-02 11:36:17,284 INFO L87 Difference]: Start difference. First operand 13457 states and 17993 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 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) [2023-04-02 11:36:20,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 11:36:20,251 INFO L93 Difference]: Finished difference Result 13725 states and 18219 transitions. [2023-04-02 11:36:20,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-02 11:36:20,252 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 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 161 [2023-04-02 11:36:20,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 11:36:20,298 INFO L225 Difference]: With dead ends: 13725 [2023-04-02 11:36:20,298 INFO L226 Difference]: Without dead ends: 13723 [2023-04-02 11:36:20,307 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 387 GetRequests, 374 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2023-04-02 11:36:20,308 INFO L413 NwaCegarLoop]: 2106 mSDtfsCounter, 2026 mSDsluCounter, 4278 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2030 SdHoareTripleChecker+Valid, 6384 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-02 11:36:20,308 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2030 Valid, 6384 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-02 11:36:20,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13723 states. [2023-04-02 11:36:23,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13723 to 13721. [2023-04-02 11:36:23,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13721 states, 7798 states have (on average 1.1846627340343678) internal successors, (9238), 8068 states have internal predecessors, (9238), 4335 states have call successors, (4335), 1523 states have call predecessors, (4335), 1585 states have return successors, (4643), 4258 states have call predecessors, (4643), 4331 states have call successors, (4643) [2023-04-02 11:36:23,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13721 states to 13721 states and 18216 transitions. [2023-04-02 11:36:23,815 INFO L78 Accepts]: Start accepts. Automaton has 13721 states and 18216 transitions. Word has length 161 [2023-04-02 11:36:23,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 11:36:23,816 INFO L495 AbstractCegarLoop]: Abstraction has 13721 states and 18216 transitions. [2023-04-02 11:36:23,816 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 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) [2023-04-02 11:36:23,816 INFO L276 IsEmpty]: Start isEmpty. Operand 13721 states and 18216 transitions. [2023-04-02 11:36:23,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2023-04-02 11:36:23,819 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 11:36:23,819 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 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, 1, 1] [2023-04-02 11:36:23,831 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-04-02 11:36:24,028 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 11:36:24,028 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_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-02 11:36:24,028 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 11:36:24,029 INFO L85 PathProgramCache]: Analyzing trace with hash 564030311, now seen corresponding path program 1 times [2023-04-02 11:36:24,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 11:36:24,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1687826147] [2023-04-02 11:36:24,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 11:36:24,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 11:36:24,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:24,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 11:36:24,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:24,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 11:36:24,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:24,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 11:36:24,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:24,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 11:36:24,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:24,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 11:36:24,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:24,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:36:24,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:24,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 11:36:24,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:24,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:36:24,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:24,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 11:36:24,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:24,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:36:24,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:24,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-04-02 11:36:24,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:24,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-04-02 11:36:24,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:24,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-04-02 11:36:24,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:24,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 11:36:24,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:24,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:36:24,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:24,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:36:24,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:24,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:36:24,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:24,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 11:36:24,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:24,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:36:24,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:24,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-04-02 11:36:24,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:24,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-04-02 11:36:24,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:24,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:36:24,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:24,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:36:24,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:24,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-04-02 11:36:24,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:24,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2023-04-02 11:36:24,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:24,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-04-02 11:36:24,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:24,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2023-04-02 11:36:24,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:24,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-04-02 11:36:24,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:24,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2023-04-02 11:36:24,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:24,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2023-04-02 11:36:24,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:24,642 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2023-04-02 11:36:24,642 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 11:36:24,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1687826147] [2023-04-02 11:36:24,642 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1687826147] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 11:36:24,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1236049219] [2023-04-02 11:36:24,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 11:36:24,642 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 11:36:24,643 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 11:36:24,644 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-02 11:36:24,646 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-04-02 11:36:25,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:25,104 INFO L262 TraceCheckSpWp]: Trace formula consists of 1969 conjuncts, 8 conjunts are in the unsatisfiable core [2023-04-02 11:36:25,107 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 11:36:25,300 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-04-02 11:36:25,301 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-02 11:36:25,496 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2023-04-02 11:36:25,496 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1236049219] provided 1 perfect and 1 imperfect interpolant sequences [2023-04-02 11:36:25,496 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-04-02 11:36:25,496 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10, 5] total 12 [2023-04-02 11:36:25,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1447122787] [2023-04-02 11:36:25,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 11:36:25,497 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-02 11:36:25,497 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 11:36:25,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-02 11:36:25,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2023-04-02 11:36:25,498 INFO L87 Difference]: Start difference. First operand 13721 states and 18216 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 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) [2023-04-02 11:36:28,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 11:36:28,610 INFO L93 Difference]: Finished difference Result 13727 states and 18221 transitions. [2023-04-02 11:36:28,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-02 11:36:28,611 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 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 166 [2023-04-02 11:36:28,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 11:36:28,665 INFO L225 Difference]: With dead ends: 13727 [2023-04-02 11:36:28,665 INFO L226 Difference]: Without dead ends: 13725 [2023-04-02 11:36:28,673 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 398 GetRequests, 385 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2023-04-02 11:36:28,674 INFO L413 NwaCegarLoop]: 2106 mSDtfsCounter, 2084 mSDsluCounter, 4198 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2087 SdHoareTripleChecker+Valid, 6304 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-02 11:36:28,674 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2087 Valid, 6304 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-02 11:36:28,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13725 states. [2023-04-02 11:36:31,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13725 to 13725. [2023-04-02 11:36:31,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13725 states, 7801 states have (on average 1.1845917190103832) internal successors, (9241), 8071 states have internal predecessors, (9241), 4335 states have call successors, (4335), 1524 states have call predecessors, (4335), 1586 states have return successors, (4643), 4258 states have call predecessors, (4643), 4331 states have call successors, (4643) [2023-04-02 11:36:31,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13725 states to 13725 states and 18219 transitions. [2023-04-02 11:36:31,872 INFO L78 Accepts]: Start accepts. Automaton has 13725 states and 18219 transitions. Word has length 166 [2023-04-02 11:36:31,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 11:36:31,872 INFO L495 AbstractCegarLoop]: Abstraction has 13725 states and 18219 transitions. [2023-04-02 11:36:31,872 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 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) [2023-04-02 11:36:31,873 INFO L276 IsEmpty]: Start isEmpty. Operand 13725 states and 18219 transitions. [2023-04-02 11:36:31,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2023-04-02 11:36:31,876 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 11:36:31,876 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 6, 5, 5, 4, 4, 4, 3, 3, 3, 3, 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, 1, 1, 1, 1] [2023-04-02 11:36:31,889 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-04-02 11:36:32,086 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 11:36:32,087 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-02 11:36:32,087 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 11:36:32,087 INFO L85 PathProgramCache]: Analyzing trace with hash 1260022795, now seen corresponding path program 1 times [2023-04-02 11:36:32,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 11:36:32,087 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1689126838] [2023-04-02 11:36:32,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 11:36:32,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 11:36:32,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:32,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 11:36:32,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:32,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 11:36:32,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:32,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 11:36:32,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:32,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 11:36:32,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:32,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 11:36:32,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:32,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:36:32,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:32,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 11:36:32,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:32,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:36:32,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:32,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 11:36:32,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:32,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:36:32,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:32,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-04-02 11:36:32,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:32,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-04-02 11:36:32,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:32,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-04-02 11:36:32,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:32,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 11:36:32,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:32,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:36:32,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:32,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:36:32,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:32,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:36:32,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:32,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 11:36:32,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:32,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:36:32,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:32,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-04-02 11:36:32,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:32,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-04-02 11:36:32,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:32,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:36:32,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:32,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:36:32,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:32,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-04-02 11:36:32,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:32,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2023-04-02 11:36:32,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:32,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-04-02 11:36:32,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:32,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2023-04-02 11:36:32,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:32,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-04-02 11:36:32,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:32,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2023-04-02 11:36:32,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:32,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2023-04-02 11:36:32,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:32,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2023-04-02 11:36:32,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:32,770 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2023-04-02 11:36:32,770 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 11:36:32,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1689126838] [2023-04-02 11:36:32,770 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1689126838] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 11:36:32,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1649949423] [2023-04-02 11:36:32,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 11:36:32,770 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 11:36:32,770 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 11:36:32,771 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-02 11:36:32,774 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-04-02 11:36:33,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:33,240 INFO L262 TraceCheckSpWp]: Trace formula consists of 1978 conjuncts, 12 conjunts are in the unsatisfiable core [2023-04-02 11:36:33,243 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 11:36:33,441 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 152 trivial. 0 not checked. [2023-04-02 11:36:33,442 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-02 11:36:33,664 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2023-04-02 11:36:33,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1649949423] provided 1 perfect and 1 imperfect interpolant sequences [2023-04-02 11:36:33,665 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-04-02 11:36:33,665 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10, 5] total 12 [2023-04-02 11:36:33,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1806497118] [2023-04-02 11:36:33,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 11:36:33,666 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-02 11:36:33,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 11:36:33,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-02 11:36:33,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2023-04-02 11:36:33,667 INFO L87 Difference]: Start difference. First operand 13725 states and 18219 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 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) [2023-04-02 11:36:37,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 11:36:37,264 INFO L93 Difference]: Finished difference Result 14673 states and 19295 transitions. [2023-04-02 11:36:37,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-02 11:36:37,265 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 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 171 [2023-04-02 11:36:37,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 11:36:37,342 INFO L225 Difference]: With dead ends: 14673 [2023-04-02 11:36:37,342 INFO L226 Difference]: Without dead ends: 14671 [2023-04-02 11:36:37,347 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 411 GetRequests, 398 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2023-04-02 11:36:37,348 INFO L413 NwaCegarLoop]: 2140 mSDtfsCounter, 1876 mSDsluCounter, 4598 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1878 SdHoareTripleChecker+Valid, 6738 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-02 11:36:37,348 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1878 Valid, 6738 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-02 11:36:37,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14671 states. [2023-04-02 11:36:41,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14671 to 14669. [2023-04-02 11:36:41,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14669 states, 8342 states have (on average 1.176935986573963) internal successors, (9818), 8612 states have internal predecessors, (9818), 4583 states have call successors, (4583), 1679 states have call predecessors, (4583), 1741 states have return successors, (4891), 4506 states have call predecessors, (4891), 4579 states have call successors, (4891) [2023-04-02 11:36:41,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14669 states to 14669 states and 19292 transitions. [2023-04-02 11:36:41,261 INFO L78 Accepts]: Start accepts. Automaton has 14669 states and 19292 transitions. Word has length 171 [2023-04-02 11:36:41,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 11:36:41,261 INFO L495 AbstractCegarLoop]: Abstraction has 14669 states and 19292 transitions. [2023-04-02 11:36:41,261 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 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) [2023-04-02 11:36:41,262 INFO L276 IsEmpty]: Start isEmpty. Operand 14669 states and 19292 transitions. [2023-04-02 11:36:41,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2023-04-02 11:36:41,264 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 11:36:41,264 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 6, 6, 4, 4, 4, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1] [2023-04-02 11:36:41,273 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-04-02 11:36:41,468 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 11:36:41,468 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_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-02 11:36:41,468 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 11:36:41,468 INFO L85 PathProgramCache]: Analyzing trace with hash -954840665, now seen corresponding path program 1 times [2023-04-02 11:36:41,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 11:36:41,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1036888159] [2023-04-02 11:36:41,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 11:36:41,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 11:36:41,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:41,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 11:36:41,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:41,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 11:36:41,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:41,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 11:36:41,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:41,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 11:36:41,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:41,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 11:36:41,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:41,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:36:41,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:41,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 11:36:41,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:41,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:36:41,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:41,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 11:36:41,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:41,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:36:41,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:41,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-04-02 11:36:41,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:41,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-04-02 11:36:41,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:41,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-04-02 11:36:41,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:42,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 11:36:42,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:42,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:36:42,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:42,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:36:42,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:42,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:36:42,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:42,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 11:36:42,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:42,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:36:42,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:42,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-04-02 11:36:42,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:42,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-04-02 11:36:42,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:42,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:36:42,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:42,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:36:42,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:42,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-04-02 11:36:42,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:42,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2023-04-02 11:36:42,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:42,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-04-02 11:36:42,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:42,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2023-04-02 11:36:42,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:42,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-04-02 11:36:42,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:42,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2023-04-02 11:36:42,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:42,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2023-04-02 11:36:42,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:42,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2023-04-02 11:36:42,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:42,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2023-04-02 11:36:42,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:42,084 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 14 proven. 1 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2023-04-02 11:36:42,084 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 11:36:42,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1036888159] [2023-04-02 11:36:42,084 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1036888159] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 11:36:42,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1356922698] [2023-04-02 11:36:42,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 11:36:42,085 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 11:36:42,085 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 11:36:42,086 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-02 11:36:42,088 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-04-02 11:36:42,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:42,634 INFO L262 TraceCheckSpWp]: Trace formula consists of 1987 conjuncts, 8 conjunts are in the unsatisfiable core [2023-04-02 11:36:42,639 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 11:36:42,834 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2023-04-02 11:36:42,835 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-02 11:36:43,035 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2023-04-02 11:36:43,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1356922698] provided 1 perfect and 1 imperfect interpolant sequences [2023-04-02 11:36:43,035 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-04-02 11:36:43,036 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10, 5] total 12 [2023-04-02 11:36:43,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729688781] [2023-04-02 11:36:43,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 11:36:43,036 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-02 11:36:43,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 11:36:43,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-02 11:36:43,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2023-04-02 11:36:43,037 INFO L87 Difference]: Start difference. First operand 14669 states and 19292 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 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) [2023-04-02 11:36:46,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 11:36:46,430 INFO L93 Difference]: Finished difference Result 14675 states and 19297 transitions. [2023-04-02 11:36:46,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-02 11:36:46,431 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 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 176 [2023-04-02 11:36:46,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 11:36:46,463 INFO L225 Difference]: With dead ends: 14675 [2023-04-02 11:36:46,463 INFO L226 Difference]: Without dead ends: 14671 [2023-04-02 11:36:46,468 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 422 GetRequests, 409 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2023-04-02 11:36:46,468 INFO L413 NwaCegarLoop]: 2106 mSDtfsCounter, 2084 mSDsluCounter, 4198 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2085 SdHoareTripleChecker+Valid, 6304 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-02 11:36:46,468 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2085 Valid, 6304 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-02 11:36:46,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14671 states. [2023-04-02 11:36:50,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14671 to 14671. [2023-04-02 11:36:50,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14671 states, 8344 states have (on average 1.1767737296260785) internal successors, (9819), 8613 states have internal predecessors, (9819), 4583 states have call successors, (4583), 1680 states have call predecessors, (4583), 1741 states have return successors, (4891), 4506 states have call predecessors, (4891), 4579 states have call successors, (4891) [2023-04-02 11:36:50,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14671 states to 14671 states and 19293 transitions. [2023-04-02 11:36:50,118 INFO L78 Accepts]: Start accepts. Automaton has 14671 states and 19293 transitions. Word has length 176 [2023-04-02 11:36:50,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 11:36:50,118 INFO L495 AbstractCegarLoop]: Abstraction has 14671 states and 19293 transitions. [2023-04-02 11:36:50,118 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 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) [2023-04-02 11:36:50,118 INFO L276 IsEmpty]: Start isEmpty. Operand 14671 states and 19293 transitions. [2023-04-02 11:36:50,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2023-04-02 11:36:50,121 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 11:36:50,121 INFO L195 NwaCegarLoop]: trace histogram [8, 7, 7, 7, 7, 4, 4, 4, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 11:36:50,133 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-04-02 11:36:50,333 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-04-02 11:36:50,333 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_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-02 11:36:50,334 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 11:36:50,334 INFO L85 PathProgramCache]: Analyzing trace with hash -1186093749, now seen corresponding path program 1 times [2023-04-02 11:36:50,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 11:36:50,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [389413927] [2023-04-02 11:36:50,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 11:36:50,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 11:36:50,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:50,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 11:36:50,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:50,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 11:36:50,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:50,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 11:36:50,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:50,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 11:36:50,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:50,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 11:36:50,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:50,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:36:50,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:50,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 11:36:50,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:50,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:36:50,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:50,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 11:36:50,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:50,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:36:50,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:50,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-04-02 11:36:50,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:50,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-04-02 11:36:50,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:50,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-04-02 11:36:50,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:50,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 11:36:50,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:50,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:36:50,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:50,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:36:50,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:50,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:36:50,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:50,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 11:36:50,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:50,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:36:50,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:50,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-04-02 11:36:50,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:50,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-04-02 11:36:50,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:50,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:36:50,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:50,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:36:50,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:50,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-04-02 11:36:50,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:50,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2023-04-02 11:36:50,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:50,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-04-02 11:36:50,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:50,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2023-04-02 11:36:50,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:50,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-04-02 11:36:50,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:50,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2023-04-02 11:36:50,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:50,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2023-04-02 11:36:50,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:50,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2023-04-02 11:36:50,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:50,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2023-04-02 11:36:50,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:50,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-04-02 11:36:50,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:50,940 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 16 proven. 1 refuted. 0 times theorem prover too weak. 193 trivial. 0 not checked. [2023-04-02 11:36:50,940 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 11:36:50,940 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [389413927] [2023-04-02 11:36:50,940 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [389413927] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 11:36:50,940 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1896744079] [2023-04-02 11:36:50,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 11:36:50,940 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 11:36:50,940 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 11:36:50,942 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-02 11:36:50,945 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-04-02 11:36:51,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:51,481 INFO L262 TraceCheckSpWp]: Trace formula consists of 1996 conjuncts, 8 conjunts are in the unsatisfiable core [2023-04-02 11:36:51,487 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 11:36:51,703 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2023-04-02 11:36:51,703 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-02 11:36:51,902 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 193 trivial. 0 not checked. [2023-04-02 11:36:51,902 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1896744079] provided 1 perfect and 1 imperfect interpolant sequences [2023-04-02 11:36:51,902 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-04-02 11:36:51,902 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10, 5] total 12 [2023-04-02 11:36:51,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1902239581] [2023-04-02 11:36:51,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 11:36:51,903 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-02 11:36:51,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 11:36:51,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-02 11:36:51,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2023-04-02 11:36:51,904 INFO L87 Difference]: Start difference. First operand 14671 states and 19293 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 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) [2023-04-02 11:36:55,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 11:36:55,479 INFO L93 Difference]: Finished difference Result 14671 states and 19293 transitions. [2023-04-02 11:36:55,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-02 11:36:55,480 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 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 181 [2023-04-02 11:36:55,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 11:36:55,514 INFO L225 Difference]: With dead ends: 14671 [2023-04-02 11:36:55,515 INFO L226 Difference]: Without dead ends: 14345 [2023-04-02 11:36:55,521 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 434 GetRequests, 421 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2023-04-02 11:36:55,522 INFO L413 NwaCegarLoop]: 2104 mSDtfsCounter, 2080 mSDsluCounter, 4197 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2080 SdHoareTripleChecker+Valid, 6301 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-02 11:36:55,522 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2080 Valid, 6301 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-02 11:36:55,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14345 states. [2023-04-02 11:36:59,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14345 to 14345. [2023-04-02 11:36:59,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14345 states, 8179 states have (on average 1.1756938501039247) internal successors, (9616), 8423 states have internal predecessors, (9616), 4478 states have call successors, (4478), 1611 states have call predecessors, (4478), 1686 states have return successors, (4781), 4437 states have call predecessors, (4781), 4477 states have call successors, (4781) [2023-04-02 11:36:59,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14345 states to 14345 states and 18875 transitions. [2023-04-02 11:36:59,141 INFO L78 Accepts]: Start accepts. Automaton has 14345 states and 18875 transitions. Word has length 181 [2023-04-02 11:36:59,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 11:36:59,142 INFO L495 AbstractCegarLoop]: Abstraction has 14345 states and 18875 transitions. [2023-04-02 11:36:59,142 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 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) [2023-04-02 11:36:59,142 INFO L276 IsEmpty]: Start isEmpty. Operand 14345 states and 18875 transitions. [2023-04-02 11:36:59,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2023-04-02 11:36:59,144 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 11:36:59,144 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 4, 4, 4, 3, 3, 3, 3, 3, 3, 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] [2023-04-02 11:36:59,157 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-04-02 11:36:59,357 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-04-02 11:36:59,357 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-02 11:36:59,357 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 11:36:59,357 INFO L85 PathProgramCache]: Analyzing trace with hash -1881746740, now seen corresponding path program 1 times [2023-04-02 11:36:59,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 11:36:59,358 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2035726932] [2023-04-02 11:36:59,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 11:36:59,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 11:36:59,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:59,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 11:36:59,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:59,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 11:36:59,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:59,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 11:36:59,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:59,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 11:36:59,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:59,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 11:36:59,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:59,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:36:59,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:59,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 11:36:59,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:59,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:36:59,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:59,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 11:36:59,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:59,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:36:59,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:59,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-04-02 11:36:59,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:59,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-04-02 11:36:59,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:59,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-04-02 11:36:59,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:59,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 11:36:59,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:59,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:36:59,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:59,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:36:59,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:59,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:36:59,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:59,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 11:36:59,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:59,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:36:59,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:59,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-04-02 11:36:59,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:59,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-04-02 11:36:59,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:59,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 11:36:59,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:59,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:36:59,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:59,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-04-02 11:36:59,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:59,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:36:59,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:59,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:36:59,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:59,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-04-02 11:36:59,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:59,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-04-02 11:36:59,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:59,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2023-04-02 11:36:59,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:59,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:36:59,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:36:59,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:36:59,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:37:00,001 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-04-02 11:37:00,001 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 11:37:00,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2035726932] [2023-04-02 11:37:00,002 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2035726932] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 11:37:00,002 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 11:37:00,002 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-04-02 11:37:00,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1648914659] [2023-04-02 11:37:00,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 11:37:00,003 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-04-02 11:37:00,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 11:37:00,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-04-02 11:37:00,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2023-04-02 11:37:00,004 INFO L87 Difference]: Start difference. First operand 14345 states and 18875 transitions. Second operand has 9 states, 8 states have (on average 11.125) internal successors, (89), 3 states have internal predecessors, (89), 4 states have call successors, (36), 9 states have call predecessors, (36), 2 states have return successors, (29), 3 states have call predecessors, (29), 4 states have call successors, (29) [2023-04-02 11:37:09,123 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 11:37:11,136 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 11:37:13,145 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 11:37:15,151 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 11:37:17,158 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 11:37:28,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 11:37:28,094 INFO L93 Difference]: Finished difference Result 33449 states and 44366 transitions. [2023-04-02 11:37:28,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-04-02 11:37:28,095 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 11.125) internal successors, (89), 3 states have internal predecessors, (89), 4 states have call successors, (36), 9 states have call predecessors, (36), 2 states have return successors, (29), 3 states have call predecessors, (29), 4 states have call successors, (29) Word has length 187 [2023-04-02 11:37:28,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 11:37:28,152 INFO L225 Difference]: With dead ends: 33449 [2023-04-02 11:37:28,152 INFO L226 Difference]: Without dead ends: 19171 [2023-04-02 11:37:28,186 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=145, Invalid=317, Unknown=0, NotChecked=0, Total=462 [2023-04-02 11:37:28,187 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 3482 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 6304 mSolverCounterSat, 3299 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3621 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 9608 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3299 IncrementalHoareTripleChecker+Valid, 6304 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.8s IncrementalHoareTripleChecker+Time [2023-04-02 11:37:28,187 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3621 Valid, 118 Invalid, 9608 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3299 Valid, 6304 Invalid, 5 Unknown, 0 Unchecked, 22.8s Time] [2023-04-02 11:37:28,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19171 states. [2023-04-02 11:37:32,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19171 to 17295. [2023-04-02 11:37:32,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17295 states, 10045 states have (on average 1.183673469387755) internal successors, (11890), 10377 states have internal predecessors, (11890), 5160 states have call successors, (5160), 2005 states have call predecessors, (5160), 2088 states have return successors, (5487), 5099 states have call predecessors, (5487), 5159 states have call successors, (5487) [2023-04-02 11:37:32,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17295 states to 17295 states and 22537 transitions. [2023-04-02 11:37:32,946 INFO L78 Accepts]: Start accepts. Automaton has 17295 states and 22537 transitions. Word has length 187 [2023-04-02 11:37:32,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 11:37:32,946 INFO L495 AbstractCegarLoop]: Abstraction has 17295 states and 22537 transitions. [2023-04-02 11:37:32,947 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 11.125) internal successors, (89), 3 states have internal predecessors, (89), 4 states have call successors, (36), 9 states have call predecessors, (36), 2 states have return successors, (29), 3 states have call predecessors, (29), 4 states have call successors, (29) [2023-04-02 11:37:32,947 INFO L276 IsEmpty]: Start isEmpty. Operand 17295 states and 22537 transitions. [2023-04-02 11:37:32,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2023-04-02 11:37:32,949 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 11:37:32,950 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 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] [2023-04-02 11:37:32,950 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-04-02 11:37:32,950 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-02 11:37:32,950 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 11:37:32,950 INFO L85 PathProgramCache]: Analyzing trace with hash 56356323, now seen corresponding path program 1 times [2023-04-02 11:37:32,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 11:37:32,950 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1112491864] [2023-04-02 11:37:32,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 11:37:32,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 11:37:33,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:37:33,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 11:37:33,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:37:33,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 11:37:33,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:37:33,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 11:37:33,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:37:33,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 11:37:33,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:37:33,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 11:37:33,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:37:33,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:37:33,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:37:33,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 11:37:33,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:37:33,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:37:33,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:37:33,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 11:37:33,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:37:33,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:37:33,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:37:33,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-04-02 11:37:33,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:37:33,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-04-02 11:37:33,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:37:33,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-04-02 11:37:33,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:37:33,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 11:37:33,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:37:33,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:37:33,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:37:33,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:37:33,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:37:33,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:37:33,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:37:33,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 11:37:33,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:37:33,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:37:33,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:37:33,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-04-02 11:37:33,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:37:33,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-04-02 11:37:33,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:37:33,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 11:37:33,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:37:33,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:37:33,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:37:33,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-04-02 11:37:33,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:37:33,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:37:33,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:37:33,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:37:33,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:37:33,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-04-02 11:37:33,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:37:33,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-04-02 11:37:33,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:37:33,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2023-04-02 11:37:33,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:37:33,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-04-02 11:37:33,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:37:33,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:37:33,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:37:33,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 11:37:33,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:37:33,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 11:37:33,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:37:33,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-04-02 11:37:33,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:37:33,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:37:33,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:37:33,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 11:37:33,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:37:33,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 11:37:33,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:37:33,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-04-02 11:37:33,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:37:33,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2023-04-02 11:37:33,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:37:33,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2023-04-02 11:37:33,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:37:33,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:37:33,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:37:33,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:37:33,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:37:33,660 INFO L134 CoverageAnalysis]: Checked inductivity of 269 backedges. 16 proven. 1 refuted. 0 times theorem prover too weak. 252 trivial. 0 not checked. [2023-04-02 11:37:33,660 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 11:37:33,660 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1112491864] [2023-04-02 11:37:33,660 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1112491864] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 11:37:33,661 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [88262837] [2023-04-02 11:37:33,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 11:37:33,661 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 11:37:33,662 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 11:37:33,663 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-02 11:37:33,691 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-04-02 11:37:34,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:37:34,296 INFO L262 TraceCheckSpWp]: Trace formula consists of 2576 conjuncts, 4 conjunts are in the unsatisfiable core [2023-04-02 11:37:34,302 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 11:37:34,342 INFO L134 CoverageAnalysis]: Checked inductivity of 269 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 228 trivial. 0 not checked. [2023-04-02 11:37:34,342 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-02 11:37:34,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [88262837] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 11:37:34,342 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-02 11:37:34,343 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [10] total 11 [2023-04-02 11:37:34,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1231956423] [2023-04-02 11:37:34,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 11:37:34,343 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-02 11:37:34,343 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 11:37:34,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-02 11:37:34,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2023-04-02 11:37:34,344 INFO L87 Difference]: Start difference. First operand 17295 states and 22537 transitions. Second operand has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 states have internal predecessors, (120), 3 states have call successors, (43), 3 states have call predecessors, (43), 3 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2023-04-02 11:37:39,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 11:37:39,863 INFO L93 Difference]: Finished difference Result 38561 states and 50166 transitions. [2023-04-02 11:37:39,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-02 11:37:39,863 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 states have internal predecessors, (120), 3 states have call successors, (43), 3 states have call predecessors, (43), 3 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) Word has length 261 [2023-04-02 11:37:39,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 11:37:39,918 INFO L225 Difference]: With dead ends: 38561 [2023-04-02 11:37:39,918 INFO L226 Difference]: Without dead ends: 21333 [2023-04-02 11:37:39,960 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 349 GetRequests, 340 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2023-04-02 11:37:39,961 INFO L413 NwaCegarLoop]: 2278 mSDtfsCounter, 1745 mSDsluCounter, 1135 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1745 SdHoareTripleChecker+Valid, 3413 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-02 11:37:39,961 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1745 Valid, 3413 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-02 11:37:39,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21333 states.