/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml --sifa.abstract.domain OctagonDomain -i ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-irda-vlsi_ir.cil.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-03 07:32:07,887 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-03 07:32:07,889 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-03 07:32:07,912 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-03 07:32:07,913 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-03 07:32:07,913 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-03 07:32:07,914 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-03 07:32:07,915 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-03 07:32:07,916 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-03 07:32:07,917 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-03 07:32:07,917 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-03 07:32:07,918 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-03 07:32:07,918 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-03 07:32:07,919 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-03 07:32:07,920 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-03 07:32:07,925 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-03 07:32:07,926 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-03 07:32:07,929 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-03 07:32:07,932 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-03 07:32:07,937 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-03 07:32:07,939 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-03 07:32:07,940 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-03 07:32:07,942 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-03 07:32:07,943 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-03 07:32:07,946 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-03 07:32:07,946 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-03 07:32:07,946 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-03 07:32:07,947 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-03 07:32:07,947 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-03 07:32:07,947 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-03 07:32:07,947 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-03 07:32:07,948 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-03 07:32:07,948 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-03 07:32:07,949 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-03 07:32:07,949 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-03 07:32:07,949 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-03 07:32:07,950 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-03 07:32:07,950 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-03 07:32:07,950 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-03 07:32:07,950 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-03 07:32:07,951 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-03 07:32:07,951 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2023-04-03 07:32:07,975 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-03 07:32:07,975 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-03 07:32:07,975 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-03 07:32:07,975 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-03 07:32:07,976 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-03 07:32:07,976 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-03 07:32:07,976 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-03 07:32:07,976 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-03 07:32:07,976 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-03 07:32:07,976 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-03 07:32:07,977 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-03 07:32:07,977 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-03 07:32:07,977 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-03 07:32:07,977 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-03 07:32:07,977 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-03 07:32:07,977 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-03 07:32:07,978 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-03 07:32:07,978 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-03 07:32:07,978 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-03 07:32:07,978 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-03 07:32:07,978 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-03 07:32:07,978 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-03 07:32:07,978 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-03 07:32:07,978 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-03 07:32:07,978 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-03 07:32:07,979 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-03 07:32:07,979 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-03 07:32:07,979 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-03 07:32:07,979 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-03 07:32:07,979 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-03 07:32:07,979 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-03 07:32:07,979 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-03 07:32:07,979 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 07:32:07,980 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-03 07:32:07,980 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-03 07:32:07,980 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-03 07:32:07,980 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-03 07:32:07,980 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-03 07:32:07,980 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-03 07:32:07,980 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-03 07:32:07,980 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-03 07:32:07,980 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-03 07:32:08,172 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-03 07:32:08,187 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-03 07:32:08,188 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-03 07:32:08,189 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-03 07:32:08,191 INFO L275 PluginConnector]: CDTParser initialized [2023-04-03 07:32:08,191 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-irda-vlsi_ir.cil.i [2023-04-03 07:32:09,221 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-03 07:32:09,606 INFO L351 CDTParser]: Found 1 translation units. [2023-04-03 07:32:09,607 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-irda-vlsi_ir.cil.i [2023-04-03 07:32:09,645 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a46cbdbac/a81431cdc13749c18ffe9e0d71451595/FLAG42cb50569 [2023-04-03 07:32:09,658 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a46cbdbac/a81431cdc13749c18ffe9e0d71451595 [2023-04-03 07:32:09,660 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-03 07:32:09,662 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-03 07:32:09,665 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-03 07:32:09,665 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-03 07:32:09,668 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-03 07:32:09,668 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 07:32:09" (1/1) ... [2023-04-03 07:32:09,670 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69962b7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 07:32:09, skipping insertion in model container [2023-04-03 07:32:09,670 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 07:32:09" (1/1) ... [2023-04-03 07:32:09,674 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-03 07:32:09,777 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-03 07:32:11,868 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-irda-vlsi_ir.cil.i[347848,347861] [2023-04-03 07:32:11,871 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-irda-vlsi_ir.cil.i[348017,348030] [2023-04-03 07:32:11,872 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-irda-vlsi_ir.cil.i[348184,348197] [2023-04-03 07:32:11,872 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-irda-vlsi_ir.cil.i[348352,348365] [2023-04-03 07:32:11,887 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 07:32:11,905 INFO L203 MainTranslator]: Completed pre-run [2023-04-03 07:32:12,188 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-irda-vlsi_ir.cil.i[347848,347861] [2023-04-03 07:32:12,189 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-irda-vlsi_ir.cil.i[348017,348030] [2023-04-03 07:32:12,189 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-irda-vlsi_ir.cil.i[348184,348197] [2023-04-03 07:32:12,190 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-irda-vlsi_ir.cil.i[348352,348365] [2023-04-03 07:32:12,199 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 07:32:12,302 WARN L667 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-04-03 07:32:12,302 WARN L667 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-04-03 07:32:12,307 INFO L208 MainTranslator]: Completed translation [2023-04-03 07:32:12,307 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 07:32:12 WrapperNode [2023-04-03 07:32:12,307 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-03 07:32:12,308 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-03 07:32:12,308 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-03 07:32:12,308 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-03 07:32:12,316 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 07:32:12" (1/1) ... [2023-04-03 07:32:12,317 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 07:32:12" (1/1) ... [2023-04-03 07:32:12,390 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 07:32:12" (1/1) ... [2023-04-03 07:32:12,391 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 07:32:12" (1/1) ... [2023-04-03 07:32:12,503 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 07:32:12" (1/1) ... [2023-04-03 07:32:12,527 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 07:32:12" (1/1) ... [2023-04-03 07:32:12,556 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 07:32:12" (1/1) ... [2023-04-03 07:32:12,576 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 07:32:12" (1/1) ... [2023-04-03 07:32:12,612 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-03 07:32:12,613 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-03 07:32:12,613 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-03 07:32:12,613 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-03 07:32:12,613 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 07:32:12" (1/1) ... [2023-04-03 07:32:12,618 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 07:32:12,625 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 07:32:12,637 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-04-03 07:32:12,643 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-04-03 07:32:12,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-03 07:32:12,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-03 07:32:12,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2023-04-03 07:32:12,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2023-04-03 07:32:12,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2023-04-03 07:32:12,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~gfp_t~0~X~$Pointer$~TO~$Pointer$ [2023-04-03 07:32:12,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~dma_addr_t~0~X~$Pointer$~TO~VOID [2023-04-03 07:32:12,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2023-04-03 07:32:12,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2023-04-03 07:32:12,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-04-03 07:32:12,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-04-03 07:32:12,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-04-03 07:32:12,669 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-04-03 07:32:12,669 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-04-03 07:32:12,669 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2023-04-03 07:32:12,669 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-04-03 07:32:12,670 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2023-04-03 07:32:12,670 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2023-04-03 07:32:12,670 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2023-04-03 07:32:12,670 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2023-04-03 07:32:12,670 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2023-04-03 07:32:12,670 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2023-04-03 07:32:12,670 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-04-03 07:32:12,670 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-04-03 07:32:12,670 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2023-04-03 07:32:12,670 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2023-04-03 07:32:12,670 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2023-04-03 07:32:12,670 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2023-04-03 07:32:12,670 INFO L138 BoogieDeclarations]: Found implementation of procedure inw [2023-04-03 07:32:12,671 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2023-04-03 07:32:12,671 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2023-04-03 07:32:12,671 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2023-04-03 07:32:12,671 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-04-03 07:32:12,671 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-04-03 07:32:12,671 INFO L138 BoogieDeclarations]: Found implementation of procedure is_device_dma_capable [2023-04-03 07:32:12,671 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-04-03 07:32:12,671 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2023-04-03 07:32:12,672 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2023-04-03 07:32:12,672 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_sync_single_for_cpu [2023-04-03 07:32:12,672 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_sync_single_for_device [2023-04-03 07:32:12,672 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_coherent_mask [2023-04-03 07:32:12,672 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_coherent_gfp_flags [2023-04-03 07:32:12,672 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2023-04-03 07:32:12,672 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2023-04-03 07:32:12,672 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2023-04-03 07:32:12,672 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2023-04-03 07:32:12,673 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2023-04-03 07:32:12,673 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2023-04-03 07:32:12,673 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_from_linear_data [2023-04-03 07:32:12,673 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-04-03 07:32:12,673 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-04-03 07:32:12,673 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2023-04-03 07:32:12,673 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2023-04-03 07:32:12,674 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2023-04-03 07:32:12,674 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-04-03 07:32:12,674 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2023-04-03 07:32:12,674 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-04-03 07:32:12,674 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_queue_stopped [2023-04-03 07:32:12,674 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2023-04-03 07:32:12,674 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2023-04-03 07:32:12,674 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2023-04-03 07:32:12,674 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2023-04-03 07:32:12,674 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_present [2023-04-03 07:32:12,674 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_byte [2023-04-03 07:32:12,675 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2023-04-03 07:32:12,675 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2023-04-03 07:32:12,675 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2023-04-03 07:32:12,675 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2023-04-03 07:32:12,675 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2023-04-03 07:32:12,675 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_cpu [2023-04-03 07:32:12,675 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_device [2023-04-03 07:32:12,675 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2023-04-03 07:32:12,675 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-04-03 07:32:12,675 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2023-04-03 07:32:12,676 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2023-04-03 07:32:12,676 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2023-04-03 07:32:12,676 INFO L138 BoogieDeclarations]: Found implementation of procedure irda_get_mtt [2023-04-03 07:32:12,676 INFO L138 BoogieDeclarations]: Found implementation of procedure irda_get_next_speed [2023-04-03 07:32:12,676 INFO L138 BoogieDeclarations]: Found implementation of procedure calc_width_bits [2023-04-03 07:32:12,676 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_is_active [2023-04-03 07:32:12,676 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_activate [2023-04-03 07:32:12,676 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_set_status [2023-04-03 07:32:12,676 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_set_addr_status [2023-04-03 07:32:12,676 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_set_count [2023-04-03 07:32:12,677 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_get_status [2023-04-03 07:32:12,677 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_get_addr [2023-04-03 07:32:12,677 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_get_count [2023-04-03 07:32:12,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_last [2023-04-03 07:32:12,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_put [2023-04-03 07:32:12,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_first [2023-04-03 07:32:12,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_get [2023-04-03 07:32:12,677 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_reg_debug [2023-04-03 07:32:12,677 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_ring_debug [2023-04-03 07:32:12,677 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_proc_pdev [2023-04-03 07:32:12,677 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_proc_ndev [2023-04-03 07:32:12,677 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_proc_ring [2023-04-03 07:32:12,677 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_seq_show [2023-04-03 07:32:12,677 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_seq_open [2023-04-03 07:32:12,678 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_alloc_ring [2023-04-03 07:32:12,678 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_free_ring [2023-04-03 07:32:12,678 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_create_hwif [2023-04-03 07:32:12,678 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_destroy_hwif [2023-04-03 07:32:12,678 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_process_rx [2023-04-03 07:32:12,678 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_fill_rx [2023-04-03 07:32:12,678 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_rx_interrupt [2023-04-03 07:32:12,679 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_unarm_rx [2023-04-03 07:32:12,679 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_process_tx [2023-04-03 07:32:12,679 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_set_baud [2023-04-03 07:32:12,679 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_hard_start_xmit [2023-04-03 07:32:12,679 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_tx_interrupt [2023-04-03 07:32:12,679 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_unarm_tx [2023-04-03 07:32:12,679 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_start_clock [2023-04-03 07:32:12,680 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_stop_clock [2023-04-03 07:32:12,680 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_clear_regs [2023-04-03 07:32:12,682 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_init_chip [2023-04-03 07:32:12,682 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_start_hw [2023-04-03 07:32:12,686 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_stop_hw [2023-04-03 07:32:12,686 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_tx_timeout [2023-04-03 07:32:12,686 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_ioctl [2023-04-03 07:32:12,686 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_interrupt [2023-04-03 07:32:12,686 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_open [2023-04-03 07:32:12,686 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_close [2023-04-03 07:32:12,686 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_irda_init [2023-04-03 07:32:12,686 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_irda_probe [2023-04-03 07:32:12,686 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_irda_remove [2023-04-03 07:32:12,686 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_irda_suspend [2023-04-03 07:32:12,687 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_irda_resume [2023-04-03 07:32:12,687 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_mod_init [2023-04-03 07:32:12,687 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_mod_exit [2023-04-03 07:32:12,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_vlsi_mod_exit_11_2 [2023-04-03 07:32:12,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_init_vlsi_mod_init_11_9 [2023-04-03 07:32:12,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___pci_register_driver [2023-04-03 07:32:12,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_allocate_external_0 [2023-04-03 07:32:12,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_deregister_8_1 [2023-04-03 07:32:12,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_deregister_9_1 [2023-04-03 07:32:12,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_deregister_file_operations_instance_6_11_4 [2023-04-03 07:32:12,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_irq_deregister_4_1 [2023-04-03 07:32:12,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_irq_register_7_2 [2023-04-03 07:32:12,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_10_2 [2023-04-03 07:32:12,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_6_4 [2023-04-03 07:32:12,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_file_operations_instance_6_11_5 [2023-04-03 07:32:12,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_2_10 [2023-04-03 07:32:12,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_2_3 [2023-04-03 07:32:12,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_2_9 [2023-04-03 07:32:12,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_entry_EMGentry_11 [2023-04-03 07:32:12,688 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-03 07:32:12,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_file_operations_instance_0 [2023-04-03 07:32:12,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_instance_callback_0_22 [2023-04-03 07:32:12,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_instance_callback_0_5 [2023-04-03 07:32:12,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_instance_probe_0_12 [2023-04-03 07:32:12,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_instance_release_0_2 [2023-04-03 07:32:12,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_instance_write_0_4 [2023-04-03 07:32:12,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2023-04-03 07:32:12,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-04-03 07:32:12,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_external_data [2023-04-03 07:32:12,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_instance_handler_1_5 [2023-04-03 07:32:12,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_instance_thread_1_3 [2023-04-03 07:32:12,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_1 [2023-04-03 07:32:12,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_net_dummy_resourceless_instance_2 [2023-04-03 07:32:12,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_instance_probe_3_17 [2023-04-03 07:32:12,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_instance_release_3_2 [2023-04-03 07:32:12,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_instance_resume_3_5 [2023-04-03 07:32:12,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_instance_resume_early_3_6 [2023-04-03 07:32:12,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_instance_shutdown_3_3 [2023-04-03 07:32:12,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_instance_suspend_3_8 [2023-04-03 07:32:12,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_instance_suspend_late_3_7 [2023-04-03 07:32:12,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_pci_instance_3 [2023-04-03 07:32:12,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_unregister_driver [2023-04-03 07:32:12,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev [2023-04-03 07:32:12,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_open_6_6 [2023-04-03 07:32:12,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2023-04-03 07:32:12,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-04-03 07:32:12,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-04-03 07:32:12,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2023-04-03 07:32:12,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_15 [2023-04-03 07:32:12,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_6 [2023-04-03 07:32:12,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_1 [2023-04-03 07:32:12,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_6 [2023-04-03 07:32:12,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_2_1 [2023-04-03 07:32:12,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_2_5 [2023-04-03 07:32:12,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_3_11 [2023-04-03 07:32:12,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_3_20 [2023-04-03 07:32:12,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2023-04-03 07:32:12,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_stop_8_2 [2023-04-03 07:32:12,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata_58 [2023-04-03 07:32:12,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata_59 [2023-04-03 07:32:12,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_64 [2023-04-03 07:32:12,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_65 [2023-04-03 07:32:12,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_66 [2023-04-03 07:32:12,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_69 [2023-04-03 07:32:12,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_72 [2023-04-03 07:32:12,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_74 [2023-04-03 07:32:12,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_76 [2023-04-03 07:32:12,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_78 [2023-04-03 07:32:12,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_79 [2023-04-03 07:32:12,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_80 [2023-04-03 07:32:12,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_81 [2023-04-03 07:32:12,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_82 [2023-04-03 07:32:12,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_83 [2023-04-03 07:32:12,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_84 [2023-04-03 07:32:12,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___pci_register_driver_85 [2023-04-03 07:32:12,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_unregister_driver_86 [2023-04-03 07:32:12,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2023-04-03 07:32:12,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-04-03 07:32:12,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spi_alloc_master [2023-04-03 07:32:12,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-04-03 07:32:12,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2023-04-03 07:32:12,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2023-04-03 07:32:12,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2023-04-03 07:32:12,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-04-03 07:32:12,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_init [2023-04-03 07:32:12,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2023-04-03 07:32:12,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-04-03 07:32:12,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kzalloc [2023-04-03 07:32:12,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-04-03 07:32:12,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-04-03 07:32:12,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-04-03 07:32:12,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2023-04-03 07:32:12,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-04-03 07:32:12,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc [2023-04-03 07:32:12,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-04-03 07:32:12,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-04-03 07:32:12,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-04-03 07:32:12,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xzalloc [2023-04-03 07:32:12,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-04-03 07:32:12,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2023-04-03 07:32:12,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_negative [2023-04-03 07:32:12,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_nonpositive [2023-04-03 07:32:12,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_create [2023-04-03 07:32:12,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_create_N [2023-04-03 07:32:12,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_join [2023-04-03 07:32:12,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_join_N [2023-04-03 07:32:12,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_NOT_ARG_SIGN [2023-04-03 07:32:12,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_NOT_ARG_SIGN [2023-04-03 07:32:12,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_NOT_ARG_SIGN [2023-04-03 07:32:12,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_NOT_ARG_SIGN [2023-04-03 07:32:12,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_NOT_ARG_SIGN [2023-04-03 07:32:12,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_NOT_ARG_SIGN [2023-04-03 07:32:12,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_NOT_ARG_SIGN [2023-04-03 07:32:12,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_NOT_ARG_SIGN [2023-04-03 07:32:12,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock__xmit_lock_of_netdev_queue [2023-04-03 07:32:12,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock__xmit_lock_of_netdev_queue [2023-04-03 07:32:12,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock__xmit_lock_of_netdev_queue [2023-04-03 07:32:12,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait__xmit_lock_of_netdev_queue [2023-04-03 07:32:12,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked__xmit_lock_of_netdev_queue [2023-04-03 07:32:12,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock__xmit_lock_of_netdev_queue [2023-04-03 07:32:12,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended__xmit_lock_of_netdev_queue [2023-04-03 07:32:12,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock__xmit_lock_of_netdev_queue [2023-04-03 07:32:12,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_addr_list_lock_of_net_device [2023-04-03 07:32:12,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_addr_list_lock_of_net_device [2023-04-03 07:32:12,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_addr_list_lock_of_net_device [2023-04-03 07:32:12,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_addr_list_lock_of_net_device [2023-04-03 07:32:12,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_addr_list_lock_of_net_device [2023-04-03 07:32:12,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_addr_list_lock_of_net_device [2023-04-03 07:32:12,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_addr_list_lock_of_net_device [2023-04-03 07:32:12,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_addr_list_lock_of_net_device [2023-04-03 07:32:12,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_alloc_lock_of_task_struct [2023-04-03 07:32:12,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_alloc_lock_of_task_struct [2023-04-03 07:32:12,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_alloc_lock_of_task_struct [2023-04-03 07:32:12,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_alloc_lock_of_task_struct [2023-04-03 07:32:12,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_alloc_lock_of_task_struct [2023-04-03 07:32:12,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_alloc_lock_of_task_struct [2023-04-03 07:32:12,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_alloc_lock_of_task_struct [2023-04-03 07:32:12,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_alloc_lock_of_task_struct [2023-04-03 07:32:12,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_i_lock_of_inode [2023-04-03 07:32:12,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_i_lock_of_inode [2023-04-03 07:32:12,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_i_lock_of_inode [2023-04-03 07:32:12,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_i_lock_of_inode [2023-04-03 07:32:12,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_i_lock_of_inode [2023-04-03 07:32:12,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_i_lock_of_inode [2023-04-03 07:32:12,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_i_lock_of_inode [2023-04-03 07:32:12,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_i_lock_of_inode [2023-04-03 07:32:12,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock [2023-04-03 07:32:12,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock [2023-04-03 07:32:12,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_lock [2023-04-03 07:32:12,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_lock [2023-04-03 07:32:12,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_lock [2023-04-03 07:32:12,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_lock [2023-04-03 07:32:12,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_lock [2023-04-03 07:32:12,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_lock [2023-04-03 07:32:12,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_NOT_ARG_SIGN [2023-04-03 07:32:12,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_NOT_ARG_SIGN [2023-04-03 07:32:12,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_lock_of_NOT_ARG_SIGN [2023-04-03 07:32:12,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_lock_of_NOT_ARG_SIGN [2023-04-03 07:32:12,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_lock_of_NOT_ARG_SIGN [2023-04-03 07:32:12,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_lock_of_NOT_ARG_SIGN [2023-04-03 07:32:12,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_lock_of_NOT_ARG_SIGN [2023-04-03 07:32:12,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_lock_of_NOT_ARG_SIGN [2023-04-03 07:32:12,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_vlsi_irda_dev [2023-04-03 07:32:12,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_vlsi_irda_dev [2023-04-03 07:32:12,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_lock_of_vlsi_irda_dev [2023-04-03 07:32:12,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_lock_of_vlsi_irda_dev [2023-04-03 07:32:12,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_lock_of_vlsi_irda_dev [2023-04-03 07:32:12,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_lock_of_vlsi_irda_dev [2023-04-03 07:32:12,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_lock_of_vlsi_irda_dev [2023-04-03 07:32:12,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_lock_of_vlsi_irda_dev [2023-04-03 07:32:12,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lru_lock_of_netns_frags [2023-04-03 07:32:12,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lru_lock_of_netns_frags [2023-04-03 07:32:12,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_lru_lock_of_netns_frags [2023-04-03 07:32:12,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_lru_lock_of_netns_frags [2023-04-03 07:32:12,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_lru_lock_of_netns_frags [2023-04-03 07:32:12,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_lru_lock_of_netns_frags [2023-04-03 07:32:12,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_lru_lock_of_netns_frags [2023-04-03 07:32:12,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_lru_lock_of_netns_frags [2023-04-03 07:32:12,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_node_size_lock_of_pglist_data [2023-04-03 07:32:12,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_node_size_lock_of_pglist_data [2023-04-03 07:32:12,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_node_size_lock_of_pglist_data [2023-04-03 07:32:12,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_node_size_lock_of_pglist_data [2023-04-03 07:32:12,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_node_size_lock_of_pglist_data [2023-04-03 07:32:12,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_node_size_lock_of_pglist_data [2023-04-03 07:32:12,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_node_size_lock_of_pglist_data [2023-04-03 07:32:12,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_node_size_lock_of_pglist_data [2023-04-03 07:32:12,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_ptl [2023-04-03 07:32:12,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_ptl [2023-04-03 07:32:12,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_ptl [2023-04-03 07:32:12,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_ptl [2023-04-03 07:32:12,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_ptl [2023-04-03 07:32:12,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_ptl [2023-04-03 07:32:12,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_ptl [2023-04-03 07:32:12,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_ptl [2023-04-03 07:32:12,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_siglock_of_sighand_struct [2023-04-03 07:32:12,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_siglock_of_sighand_struct [2023-04-03 07:32:12,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_siglock_of_sighand_struct [2023-04-03 07:32:12,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_siglock_of_sighand_struct [2023-04-03 07:32:12,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_siglock_of_sighand_struct [2023-04-03 07:32:12,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_siglock_of_sighand_struct [2023-04-03 07:32:12,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_siglock_of_sighand_struct [2023-04-03 07:32:12,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_siglock_of_sighand_struct [2023-04-03 07:32:12,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_tx_global_lock_of_net_device [2023-04-03 07:32:12,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_tx_global_lock_of_net_device [2023-04-03 07:32:12,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_tx_global_lock_of_net_device [2023-04-03 07:32:12,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_tx_global_lock_of_net_device [2023-04-03 07:32:12,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_tx_global_lock_of_net_device [2023-04-03 07:32:12,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_tx_global_lock_of_net_device [2023-04-03 07:32:12,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_tx_global_lock_of_net_device [2023-04-03 07:32:12,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_tx_global_lock_of_net_device [2023-04-03 07:32:12,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-04-03 07:32:12,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2023-04-03 07:32:12,701 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-03 07:32:12,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-04-03 07:32:12,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2023-04-03 07:32:12,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-04-03 07:32:12,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-04-03 07:32:12,701 INFO L138 BoogieDeclarations]: Found implementation of procedure PDE_DATA [2023-04-03 07:32:12,701 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-04-03 07:32:12,701 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_any [2023-04-03 07:32:12,701 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2023-04-03 07:32:12,701 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2023-04-03 07:32:12,701 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2023-04-03 07:32:12,701 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2023-04-03 07:32:12,701 INFO L138 BoogieDeclarations]: Found implementation of procedure __pci_register_driver [2023-04-03 07:32:12,701 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-04-03 07:32:12,701 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-04-03 07:32:12,701 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2023-04-03 07:32:12,701 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_irdadev [2023-04-03 07:32:12,701 INFO L138 BoogieDeclarations]: Found implementation of procedure async_wrap_skb [2023-04-03 07:32:12,702 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2023-04-03 07:32:12,702 INFO L138 BoogieDeclarations]: Found implementation of procedure crc_ccitt [2023-04-03 07:32:12,702 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_alloc_coherent [2023-04-03 07:32:12,702 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_free_coherent [2023-04-03 07:32:12,702 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2023-04-03 07:32:12,702 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_sync_single_for_cpu [2023-04-03 07:32:12,702 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_sync_single_for_device [2023-04-03 07:32:12,702 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2023-04-03 07:32:12,702 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask [2023-04-03 07:32:12,702 INFO L138 BoogieDeclarations]: Found implementation of procedure do_gettimeofday [2023-04-03 07:32:12,702 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_stack [2023-04-03 07:32:12,702 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-04-03 07:32:12,702 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-04-03 07:32:12,702 INFO L138 BoogieDeclarations]: Found implementation of procedure irda_device_set_media_busy [2023-04-03 07:32:12,702 INFO L138 BoogieDeclarations]: Found implementation of procedure irda_init_max_qos_capabilies [2023-04-03 07:32:12,702 INFO L138 BoogieDeclarations]: Found implementation of procedure irda_qos_bits_to_value [2023-04-03 07:32:12,702 INFO L138 BoogieDeclarations]: Found implementation of procedure irlap_close [2023-04-03 07:32:12,702 INFO L138 BoogieDeclarations]: Found implementation of procedure irlap_open [2023-04-03 07:32:12,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2023-04-03 07:32:12,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2023-04-03 07:32:12,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-04-03 07:32:12,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2023-04-03 07:32:12,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2023-04-03 07:32:12,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_register_netdev [2023-04-03 07:32:12,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-04-03 07:32:12,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-04-03 07:32:12,703 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-04-03 07:32:12,703 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-04-03 07:32:12,703 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2023-04-03 07:32:12,703 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2023-04-03 07:32:12,703 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2023-04-03 07:32:12,703 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2023-04-03 07:32:12,703 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx_ni [2023-04-03 07:32:12,703 INFO L138 BoogieDeclarations]: Found implementation of procedure netpoll_trap [2023-04-03 07:32:12,703 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_read_config_byte [2023-04-03 07:32:12,703 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_write_config_byte [2023-04-03 07:32:12,703 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2023-04-03 07:32:12,703 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-04-03 07:32:12,703 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2023-04-03 07:32:12,703 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-04-03 07:32:12,703 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_request_regions [2023-04-03 07:32:12,703 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2023-04-03 07:32:12,703 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2023-04-03 07:32:12,703 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2023-04-03 07:32:12,703 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2023-04-03 07:32:12,703 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2023-04-03 07:32:12,704 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-04-03 07:32:12,704 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_create_data [2023-04-03 07:32:12,704 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_mkdir [2023-04-03 07:32:12,704 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_set_size [2023-04-03 07:32:12,704 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2023-04-03 07:32:12,704 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_proc_entry [2023-04-03 07:32:12,704 INFO L138 BoogieDeclarations]: Found implementation of procedure request_threaded_irq [2023-04-03 07:32:12,704 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_lseek [2023-04-03 07:32:12,733 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_printf [2023-04-03 07:32:12,733 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_read [2023-04-03 07:32:12,733 INFO L138 BoogieDeclarations]: Found implementation of procedure single_open [2023-04-03 07:32:12,733 INFO L138 BoogieDeclarations]: Found implementation of procedure single_release [2023-04-03 07:32:12,733 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2023-04-03 07:32:12,733 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2023-04-03 07:32:12,733 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-04-03 07:32:12,733 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-04-03 07:32:12,733 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-04-03 07:32:12,733 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-04-03 07:32:12,733 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-04-03 07:32:12,733 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-04-03 07:32:12,733 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2023-04-03 07:32:12,733 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-04-03 07:32:12,734 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-04-03 07:32:12,734 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-04-03 07:32:12,734 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2023-04-03 07:32:12,734 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-04-03 07:32:12,734 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-03 07:32:12,734 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-04-03 07:32:12,734 INFO L130 BoogieDeclarations]: Found specification of procedure dump_stack [2023-04-03 07:32:12,734 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-04-03 07:32:12,734 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-04-03 07:32:12,734 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-04-03 07:32:12,734 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2023-04-03 07:32:12,734 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2023-04-03 07:32:12,734 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-04-03 07:32:12,734 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2023-04-03 07:32:12,734 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-03 07:32:12,734 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2023-04-03 07:32:12,734 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2023-04-03 07:32:12,734 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2023-04-03 07:32:12,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-03 07:32:12,735 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2023-04-03 07:32:12,735 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2023-04-03 07:32:12,735 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_64 [2023-04-03 07:32:12,735 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_66 [2023-04-03 07:32:12,735 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_69 [2023-04-03 07:32:12,735 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_72 [2023-04-03 07:32:12,735 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_74 [2023-04-03 07:32:12,735 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_76 [2023-04-03 07:32:12,735 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_vlsi_irda_dev [2023-04-03 07:32:12,735 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_vlsi_irda_dev [2023-04-03 07:32:12,735 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2023-04-03 07:32:12,735 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_init [2023-04-03 07:32:12,735 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2023-04-03 07:32:12,735 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2023-04-03 07:32:12,735 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-04-03 07:32:12,735 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_register_netdev [2023-04-03 07:32:12,735 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-04-03 07:32:12,735 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-04-03 07:32:12,735 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-04-03 07:32:12,736 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-04-03 07:32:12,736 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-04-03 07:32:12,736 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-04-03 07:32:12,736 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-04-03 07:32:12,736 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-04-03 07:32:12,736 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2023-04-03 07:32:12,736 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-04-03 07:32:12,736 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-04-03 07:32:12,736 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2023-04-03 07:32:12,736 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-04-03 07:32:12,736 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2023-04-03 07:32:12,736 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-04-03 07:32:12,736 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-04-03 07:32:12,736 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_65 [2023-04-03 07:32:12,736 INFO L130 BoogieDeclarations]: Found specification of procedure do_gettimeofday [2023-04-03 07:32:12,736 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2023-04-03 07:32:12,736 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2023-04-03 07:32:12,736 INFO L130 BoogieDeclarations]: Found specification of procedure seq_lseek [2023-04-03 07:32:12,736 INFO L130 BoogieDeclarations]: Found specification of procedure seq_printf [2023-04-03 07:32:12,737 INFO L130 BoogieDeclarations]: Found specification of procedure single_open [2023-04-03 07:32:12,737 INFO L130 BoogieDeclarations]: Found specification of procedure single_release [2023-04-03 07:32:12,737 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2023-04-03 07:32:12,737 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2023-04-03 07:32:12,737 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2023-04-03 07:32:12,737 INFO L130 BoogieDeclarations]: Found specification of procedure inw [2023-04-03 07:32:12,737 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2023-04-03 07:32:12,737 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata_58 [2023-04-03 07:32:12,737 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata_59 [2023-04-03 07:32:12,737 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-04-03 07:32:12,737 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2023-04-03 07:32:12,737 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2023-04-03 07:32:12,737 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2023-04-03 07:32:12,737 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-04-03 07:32:12,737 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-04-03 07:32:12,737 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2023-04-03 07:32:12,737 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-04-03 07:32:12,737 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-04-03 07:32:12,737 INFO L130 BoogieDeclarations]: Found specification of procedure is_device_dma_capable [2023-04-03 07:32:12,738 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2023-04-03 07:32:12,738 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2023-04-03 07:32:12,738 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_alloc_coherent [2023-04-03 07:32:12,738 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_free_coherent [2023-04-03 07:32:12,738 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_sync_single_for_cpu [2023-04-03 07:32:12,738 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_sync_single_for_device [2023-04-03 07:32:12,738 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-04-03 07:32:12,738 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2023-04-03 07:32:12,738 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2023-04-03 07:32:12,738 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2023-04-03 07:32:12,738 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2023-04-03 07:32:12,738 INFO L130 BoogieDeclarations]: Found specification of procedure dma_sync_single_for_cpu [2023-04-03 07:32:12,738 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2023-04-03 07:32:12,738 INFO L130 BoogieDeclarations]: Found specification of procedure dma_sync_single_for_device [2023-04-03 07:32:12,738 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask [2023-04-03 07:32:12,738 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_coherent_mask [2023-04-03 07:32:12,738 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_coherent_gfp_flags [2023-04-03 07:32:12,738 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2023-04-03 07:32:12,738 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~gfp_t~0~X~$Pointer$~TO~$Pointer$ [2023-04-03 07:32:12,739 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2023-04-03 07:32:12,739 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-03 07:32:12,739 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~dma_addr_t~0~X~$Pointer$~TO~VOID [2023-04-03 07:32:12,739 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2023-04-03 07:32:12,739 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2023-04-03 07:32:12,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-03 07:32:12,739 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2023-04-03 07:32:12,739 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2023-04-03 07:32:12,739 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2023-04-03 07:32:12,739 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2023-04-03 07:32:12,739 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_from_linear_data [2023-04-03 07:32:12,739 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-04-03 07:32:12,739 INFO L130 BoogieDeclarations]: Found specification of procedure proc_mkdir [2023-04-03 07:32:12,739 INFO L130 BoogieDeclarations]: Found specification of procedure proc_create_data [2023-04-03 07:32:12,739 INFO L130 BoogieDeclarations]: Found specification of procedure proc_set_size [2023-04-03 07:32:12,739 INFO L130 BoogieDeclarations]: Found specification of procedure PDE_DATA [2023-04-03 07:32:12,739 INFO L130 BoogieDeclarations]: Found specification of procedure remove_proc_entry [2023-04-03 07:32:12,739 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-04-03 07:32:12,739 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-04-03 07:32:12,740 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-04-03 07:32:12,740 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_82 [2023-04-03 07:32:12,740 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_84 [2023-04-03 07:32:12,740 INFO L130 BoogieDeclarations]: Found specification of procedure netpoll_trap [2023-04-03 07:32:12,740 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2023-04-03 07:32:12,740 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2023-04-03 07:32:12,740 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2023-04-03 07:32:12,740 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2023-04-03 07:32:12,740 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-04-03 07:32:12,740 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2023-04-03 07:32:12,740 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-04-03 07:32:12,740 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_queue_stopped [2023-04-03 07:32:12,740 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2023-04-03 07:32:12,740 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2023-04-03 07:32:12,740 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_any [2023-04-03 07:32:12,740 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2023-04-03 07:32:12,740 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2023-04-03 07:32:12,740 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx_ni [2023-04-03 07:32:12,740 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2023-04-03 07:32:12,741 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_present [2023-04-03 07:32:12,741 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2023-04-03 07:32:12,741 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2023-04-03 07:32:12,741 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2023-04-03 07:32:12,741 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_81 [2023-04-03 07:32:12,741 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2023-04-03 07:32:12,741 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_83 [2023-04-03 07:32:12,741 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_read_config_byte [2023-04-03 07:32:12,741 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_write_config_byte [2023-04-03 07:32:12,741 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_byte [2023-04-03 07:32:12,741 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2023-04-03 07:32:12,741 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2023-04-03 07:32:12,741 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-04-03 07:32:12,741 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2023-04-03 07:32:12,741 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2023-04-03 07:32:12,741 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2023-04-03 07:32:12,741 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2023-04-03 07:32:12,741 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2023-04-03 07:32:12,741 INFO L130 BoogieDeclarations]: Found specification of procedure pci_request_regions [2023-04-03 07:32:12,742 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-04-03 07:32:12,742 INFO L130 BoogieDeclarations]: Found specification of procedure __pci_register_driver [2023-04-03 07:32:12,742 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___pci_register_driver_85 [2023-04-03 07:32:12,742 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2023-04-03 07:32:12,742 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_unregister_driver_86 [2023-04-03 07:32:12,742 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2023-04-03 07:32:12,742 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2023-04-03 07:32:12,742 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2023-04-03 07:32:12,742 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2023-04-03 07:32:12,742 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_cpu [2023-04-03 07:32:12,742 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_device [2023-04-03 07:32:12,742 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2023-04-03 07:32:12,742 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-04-03 07:32:12,742 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2023-04-03 07:32:12,742 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2023-04-03 07:32:12,742 INFO L130 BoogieDeclarations]: Found specification of procedure request_threaded_irq [2023-04-03 07:32:12,742 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2023-04-03 07:32:12,742 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_78 [2023-04-03 07:32:12,742 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-04-03 07:32:12,742 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_79 [2023-04-03 07:32:12,743 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_80 [2023-04-03 07:32:12,743 INFO L130 BoogieDeclarations]: Found specification of procedure irda_init_max_qos_capabilies [2023-04-03 07:32:12,743 INFO L130 BoogieDeclarations]: Found specification of procedure irda_qos_bits_to_value [2023-04-03 07:32:12,743 INFO L130 BoogieDeclarations]: Found specification of procedure irlap_open [2023-04-03 07:32:12,743 INFO L130 BoogieDeclarations]: Found specification of procedure irlap_close [2023-04-03 07:32:12,743 INFO L130 BoogieDeclarations]: Found specification of procedure irda_device_set_media_busy [2023-04-03 07:32:12,743 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_irdadev [2023-04-03 07:32:12,743 INFO L130 BoogieDeclarations]: Found specification of procedure irda_get_mtt [2023-04-03 07:32:12,743 INFO L130 BoogieDeclarations]: Found specification of procedure irda_get_next_speed [2023-04-03 07:32:12,743 INFO L130 BoogieDeclarations]: Found specification of procedure async_wrap_skb [2023-04-03 07:32:12,743 INFO L130 BoogieDeclarations]: Found specification of procedure crc_ccitt [2023-04-03 07:32:12,743 INFO L130 BoogieDeclarations]: Found specification of procedure calc_width_bits [2023-04-03 07:32:12,743 INFO L130 BoogieDeclarations]: Found specification of procedure rd_is_active [2023-04-03 07:32:12,743 INFO L130 BoogieDeclarations]: Found specification of procedure rd_activate [2023-04-03 07:32:12,743 INFO L130 BoogieDeclarations]: Found specification of procedure rd_set_status [2023-04-03 07:32:12,743 INFO L130 BoogieDeclarations]: Found specification of procedure rd_set_addr_status [2023-04-03 07:32:12,743 INFO L130 BoogieDeclarations]: Found specification of procedure rd_set_count [2023-04-03 07:32:12,743 INFO L130 BoogieDeclarations]: Found specification of procedure rd_get_status [2023-04-03 07:32:12,743 INFO L130 BoogieDeclarations]: Found specification of procedure rd_get_addr [2023-04-03 07:32:12,744 INFO L130 BoogieDeclarations]: Found specification of procedure rd_get_count [2023-04-03 07:32:12,744 INFO L130 BoogieDeclarations]: Found specification of procedure ring_last [2023-04-03 07:32:12,744 INFO L130 BoogieDeclarations]: Found specification of procedure ring_put [2023-04-03 07:32:12,744 INFO L130 BoogieDeclarations]: Found specification of procedure ring_first [2023-04-03 07:32:12,744 INFO L130 BoogieDeclarations]: Found specification of procedure ring_get [2023-04-03 07:32:12,744 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_reg_debug [2023-04-03 07:32:12,744 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_ring_debug [2023-04-03 07:32:12,744 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_proc_pdev [2023-04-03 07:32:12,744 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_proc_ndev [2023-04-03 07:32:12,744 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-04-03 07:32:12,744 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-03 07:32:12,744 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_proc_ring [2023-04-03 07:32:12,744 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_seq_show [2023-04-03 07:32:12,744 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_seq_open [2023-04-03 07:32:12,744 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_alloc_ring [2023-04-03 07:32:12,744 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-04-03 07:32:12,744 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_free_ring [2023-04-03 07:32:12,745 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_create_hwif [2023-04-03 07:32:12,745 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_destroy_hwif [2023-04-03 07:32:12,745 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_process_rx [2023-04-03 07:32:12,745 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_fill_rx [2023-04-03 07:32:12,745 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_rx_interrupt [2023-04-03 07:32:12,745 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_unarm_rx [2023-04-03 07:32:12,745 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_process_tx [2023-04-03 07:32:12,745 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_set_baud [2023-04-03 07:32:12,745 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_hard_start_xmit [2023-04-03 07:32:12,745 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_tx_interrupt [2023-04-03 07:32:12,745 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_unarm_tx [2023-04-03 07:32:12,745 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_start_clock [2023-04-03 07:32:12,745 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_stop_clock [2023-04-03 07:32:12,745 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_clear_regs [2023-04-03 07:32:12,745 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_init_chip [2023-04-03 07:32:12,745 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_start_hw [2023-04-03 07:32:12,745 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_stop_hw [2023-04-03 07:32:12,745 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_tx_timeout [2023-04-03 07:32:12,745 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_ioctl [2023-04-03 07:32:12,746 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_interrupt [2023-04-03 07:32:12,746 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_open [2023-04-03 07:32:12,746 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_close [2023-04-03 07:32:12,746 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_irda_init [2023-04-03 07:32:12,746 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_irda_probe [2023-04-03 07:32:12,746 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_irda_remove [2023-04-03 07:32:12,746 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_irda_suspend [2023-04-03 07:32:12,746 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_irda_resume [2023-04-03 07:32:12,746 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_mod_init [2023-04-03 07:32:12,746 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_mod_exit [2023-04-03 07:32:12,746 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_vlsi_mod_exit_11_2 [2023-04-03 07:32:12,746 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_init_vlsi_mod_init_11_9 [2023-04-03 07:32:12,746 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___pci_register_driver [2023-04-03 07:32:12,746 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_allocate_external_0 [2023-04-03 07:32:12,746 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_deregister_8_1 [2023-04-03 07:32:12,746 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_deregister_9_1 [2023-04-03 07:32:12,746 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_deregister_file_operations_instance_6_11_4 [2023-04-03 07:32:12,746 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_irq_deregister_4_1 [2023-04-03 07:32:12,746 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_irq_register_7_2 [2023-04-03 07:32:12,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_10_2 [2023-04-03 07:32:12,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_6_4 [2023-04-03 07:32:12,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_file_operations_instance_6_11_5 [2023-04-03 07:32:12,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_2_10 [2023-04-03 07:32:12,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_2_3 [2023-04-03 07:32:12,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_2_9 [2023-04-03 07:32:12,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_entry_EMGentry_11 [2023-04-03 07:32:12,747 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-03 07:32:12,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_file_operations_instance_0 [2023-04-03 07:32:12,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_instance_callback_0_22 [2023-04-03 07:32:12,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_instance_callback_0_5 [2023-04-03 07:32:12,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_instance_probe_0_12 [2023-04-03 07:32:12,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_instance_release_0_2 [2023-04-03 07:32:12,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_instance_write_0_4 [2023-04-03 07:32:12,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2023-04-03 07:32:12,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-04-03 07:32:12,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_external_data [2023-04-03 07:32:12,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_instance_handler_1_5 [2023-04-03 07:32:12,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_instance_thread_1_3 [2023-04-03 07:32:12,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_1 [2023-04-03 07:32:12,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_net_dummy_resourceless_instance_2 [2023-04-03 07:32:12,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_instance_probe_3_17 [2023-04-03 07:32:12,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_instance_release_3_2 [2023-04-03 07:32:12,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_instance_resume_3_5 [2023-04-03 07:32:12,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_instance_resume_early_3_6 [2023-04-03 07:32:12,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_instance_shutdown_3_3 [2023-04-03 07:32:12,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_instance_suspend_3_8 [2023-04-03 07:32:12,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_instance_suspend_late_3_7 [2023-04-03 07:32:12,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_pci_instance_3 [2023-04-03 07:32:12,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_unregister_driver [2023-04-03 07:32:12,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev [2023-04-03 07:32:12,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_open_6_6 [2023-04-03 07:32:12,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2023-04-03 07:32:12,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-04-03 07:32:12,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-04-03 07:32:12,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2023-04-03 07:32:12,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_15 [2023-04-03 07:32:12,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_6 [2023-04-03 07:32:12,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_1 [2023-04-03 07:32:12,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_6 [2023-04-03 07:32:12,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_2_1 [2023-04-03 07:32:12,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_2_5 [2023-04-03 07:32:12,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_3_11 [2023-04-03 07:32:12,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_3_20 [2023-04-03 07:32:12,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2023-04-03 07:32:12,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_stop_8_2 [2023-04-03 07:32:12,749 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2023-04-03 07:32:12,749 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2023-04-03 07:32:12,749 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-04-03 07:32:12,749 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-04-03 07:32:12,749 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-04-03 07:32:12,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xzalloc [2023-04-03 07:32:12,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-04-03 07:32:12,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spi_alloc_master [2023-04-03 07:32:12,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-04-03 07:32:12,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2023-04-03 07:32:12,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2023-04-03 07:32:12,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2023-04-03 07:32:12,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-04-03 07:32:12,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-04-03 07:32:12,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2023-04-03 07:32:12,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kzalloc [2023-04-03 07:32:12,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2023-04-03 07:32:12,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2023-04-03 07:32:12,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2023-04-03 07:32:12,750 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-03 07:32:12,750 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2023-04-03 07:32:12,750 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-03 07:32:12,750 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-03 07:32:12,750 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-04-03 07:32:12,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2023-04-03 07:32:12,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_negative [2023-04-03 07:32:12,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_nonpositive [2023-04-03 07:32:12,750 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-03 07:32:12,750 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2023-04-03 07:32:12,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_create [2023-04-03 07:32:12,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_create_N [2023-04-03 07:32:12,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_join [2023-04-03 07:32:12,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_join_N [2023-04-03 07:32:12,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-04-03 07:32:12,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2023-04-03 07:32:12,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-04-03 07:32:12,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-04-03 07:32:12,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_NOT_ARG_SIGN [2023-04-03 07:32:12,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_NOT_ARG_SIGN [2023-04-03 07:32:12,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_NOT_ARG_SIGN [2023-04-03 07:32:12,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_NOT_ARG_SIGN [2023-04-03 07:32:12,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_NOT_ARG_SIGN [2023-04-03 07:32:12,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_NOT_ARG_SIGN [2023-04-03 07:32:12,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_NOT_ARG_SIGN [2023-04-03 07:32:12,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_NOT_ARG_SIGN [2023-04-03 07:32:12,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock__xmit_lock_of_netdev_queue [2023-04-03 07:32:12,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock__xmit_lock_of_netdev_queue [2023-04-03 07:32:12,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock__xmit_lock_of_netdev_queue [2023-04-03 07:32:12,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait__xmit_lock_of_netdev_queue [2023-04-03 07:32:12,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked__xmit_lock_of_netdev_queue [2023-04-03 07:32:12,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock__xmit_lock_of_netdev_queue [2023-04-03 07:32:12,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended__xmit_lock_of_netdev_queue [2023-04-03 07:32:12,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock__xmit_lock_of_netdev_queue [2023-04-03 07:32:12,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_addr_list_lock_of_net_device [2023-04-03 07:32:12,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_addr_list_lock_of_net_device [2023-04-03 07:32:12,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_addr_list_lock_of_net_device [2023-04-03 07:32:12,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_addr_list_lock_of_net_device [2023-04-03 07:32:12,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_addr_list_lock_of_net_device [2023-04-03 07:32:12,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_addr_list_lock_of_net_device [2023-04-03 07:32:12,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_addr_list_lock_of_net_device [2023-04-03 07:32:12,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_addr_list_lock_of_net_device [2023-04-03 07:32:12,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_alloc_lock_of_task_struct [2023-04-03 07:32:12,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_alloc_lock_of_task_struct [2023-04-03 07:32:12,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_alloc_lock_of_task_struct [2023-04-03 07:32:12,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_alloc_lock_of_task_struct [2023-04-03 07:32:12,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_alloc_lock_of_task_struct [2023-04-03 07:32:12,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_alloc_lock_of_task_struct [2023-04-03 07:32:12,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_alloc_lock_of_task_struct [2023-04-03 07:32:12,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_alloc_lock_of_task_struct [2023-04-03 07:32:12,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_i_lock_of_inode [2023-04-03 07:32:12,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_i_lock_of_inode [2023-04-03 07:32:12,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_i_lock_of_inode [2023-04-03 07:32:12,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_i_lock_of_inode [2023-04-03 07:32:12,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_i_lock_of_inode [2023-04-03 07:32:12,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_i_lock_of_inode [2023-04-03 07:32:12,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_i_lock_of_inode [2023-04-03 07:32:12,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_i_lock_of_inode [2023-04-03 07:32:12,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock [2023-04-03 07:32:12,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock [2023-04-03 07:32:12,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_lock [2023-04-03 07:32:12,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_lock [2023-04-03 07:32:12,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_lock [2023-04-03 07:32:12,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_lock [2023-04-03 07:32:12,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_lock [2023-04-03 07:32:12,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_lock [2023-04-03 07:32:12,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_NOT_ARG_SIGN [2023-04-03 07:32:12,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_NOT_ARG_SIGN [2023-04-03 07:32:12,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_lock_of_NOT_ARG_SIGN [2023-04-03 07:32:12,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_lock_of_NOT_ARG_SIGN [2023-04-03 07:32:12,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_lock_of_NOT_ARG_SIGN [2023-04-03 07:32:12,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_lock_of_NOT_ARG_SIGN [2023-04-03 07:32:12,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_lock_of_NOT_ARG_SIGN [2023-04-03 07:32:12,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_lock_of_NOT_ARG_SIGN [2023-04-03 07:32:12,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_lock_of_vlsi_irda_dev [2023-04-03 07:32:12,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_lock_of_vlsi_irda_dev [2023-04-03 07:32:12,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_lock_of_vlsi_irda_dev [2023-04-03 07:32:12,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_lock_of_vlsi_irda_dev [2023-04-03 07:32:12,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_lock_of_vlsi_irda_dev [2023-04-03 07:32:12,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_lock_of_vlsi_irda_dev [2023-04-03 07:32:12,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lru_lock_of_netns_frags [2023-04-03 07:32:12,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lru_lock_of_netns_frags [2023-04-03 07:32:12,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_lru_lock_of_netns_frags [2023-04-03 07:32:12,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_lru_lock_of_netns_frags [2023-04-03 07:32:12,755 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_lru_lock_of_netns_frags [2023-04-03 07:32:12,755 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_lru_lock_of_netns_frags [2023-04-03 07:32:12,755 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_lru_lock_of_netns_frags [2023-04-03 07:32:12,755 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_lru_lock_of_netns_frags [2023-04-03 07:32:12,755 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_node_size_lock_of_pglist_data [2023-04-03 07:32:12,755 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_node_size_lock_of_pglist_data [2023-04-03 07:32:12,755 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_node_size_lock_of_pglist_data [2023-04-03 07:32:12,755 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_node_size_lock_of_pglist_data [2023-04-03 07:32:12,755 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_node_size_lock_of_pglist_data [2023-04-03 07:32:12,755 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_node_size_lock_of_pglist_data [2023-04-03 07:32:12,755 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_node_size_lock_of_pglist_data [2023-04-03 07:32:12,755 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_node_size_lock_of_pglist_data [2023-04-03 07:32:12,755 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_ptl [2023-04-03 07:32:12,755 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_ptl [2023-04-03 07:32:12,755 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_ptl [2023-04-03 07:32:12,755 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_ptl [2023-04-03 07:32:12,755 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_ptl [2023-04-03 07:32:12,755 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_ptl [2023-04-03 07:32:12,756 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_ptl [2023-04-03 07:32:12,756 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_ptl [2023-04-03 07:32:12,756 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_siglock_of_sighand_struct [2023-04-03 07:32:12,756 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_siglock_of_sighand_struct [2023-04-03 07:32:12,756 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_siglock_of_sighand_struct [2023-04-03 07:32:12,756 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_siglock_of_sighand_struct [2023-04-03 07:32:12,756 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_siglock_of_sighand_struct [2023-04-03 07:32:12,756 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_siglock_of_sighand_struct [2023-04-03 07:32:12,756 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_siglock_of_sighand_struct [2023-04-03 07:32:12,756 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_siglock_of_sighand_struct [2023-04-03 07:32:12,756 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_tx_global_lock_of_net_device [2023-04-03 07:32:12,756 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_tx_global_lock_of_net_device [2023-04-03 07:32:12,756 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_tx_global_lock_of_net_device [2023-04-03 07:32:12,756 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_tx_global_lock_of_net_device [2023-04-03 07:32:12,756 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_tx_global_lock_of_net_device [2023-04-03 07:32:12,756 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_tx_global_lock_of_net_device [2023-04-03 07:32:12,756 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_tx_global_lock_of_net_device [2023-04-03 07:32:12,756 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_tx_global_lock_of_net_device [2023-04-03 07:32:12,757 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2023-04-03 07:32:12,757 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-03 07:32:12,757 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-03 07:32:12,757 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2023-04-03 07:32:12,757 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2023-04-03 07:32:12,757 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-03 07:32:12,757 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2023-04-03 07:32:12,757 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2023-04-03 07:32:12,757 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2023-04-03 07:32:12,757 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-03 07:32:12,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-03 07:32:12,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-04-03 07:32:12,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-04-03 07:32:12,757 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-03 07:32:12,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-04-03 07:32:12,757 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-04-03 07:32:12,757 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-04-03 07:32:13,461 INFO L236 CfgBuilder]: Building ICFG [2023-04-03 07:32:13,466 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-03 07:32:15,005 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint mainFINAL: assume true; [2023-04-03 07:32:15,233 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-04-03 07:32:19,296 INFO L277 CfgBuilder]: Performing block encoding [2023-04-03 07:32:21,042 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-03 07:32:21,042 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-04-03 07:32:21,047 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 07:32:21 BoogieIcfgContainer [2023-04-03 07:32:21,047 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-03 07:32:21,049 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-03 07:32:21,049 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-03 07:32:21,051 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-03 07:32:21,051 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.04 07:32:09" (1/3) ... [2023-04-03 07:32:21,051 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78c3feed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 07:32:21, skipping insertion in model container [2023-04-03 07:32:21,052 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 07:32:12" (2/3) ... [2023-04-03 07:32:21,052 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78c3feed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 07:32:21, skipping insertion in model container [2023-04-03 07:32:21,052 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 07:32:21" (3/3) ... [2023-04-03 07:32:21,053 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-irda-vlsi_ir.cil.i [2023-04-03 07:32:21,066 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-03 07:32:21,066 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2023-04-03 07:32:21,151 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-03 07:32:21,155 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@5c0645cc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-03 07:32:21,156 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-04-03 07:32:21,165 INFO L276 IsEmpty]: Start isEmpty. Operand has 2783 states, 1472 states have (on average 1.190217391304348) internal successors, (1752), 1512 states have internal predecessors, (1752), 900 states have call successors, (900), 297 states have call predecessors, (900), 295 states have return successors, (892), 883 states have call predecessors, (892), 892 states have call successors, (892) [2023-04-03 07:32:21,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2023-04-03 07:32:21,178 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:32:21,179 INFO L195 NwaCegarLoop]: trace histogram [12, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 07:32:21,179 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 07:32:21,183 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:32:21,183 INFO L85 PathProgramCache]: Analyzing trace with hash -677600968, now seen corresponding path program 1 times [2023-04-03 07:32:21,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:32:21,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1597553753] [2023-04-03 07:32:21,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:32:21,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:32:21,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:32:22,055 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 462 trivial. 0 not checked. [2023-04-03 07:32:22,055 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:32:22,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1597553753] [2023-04-03 07:32:22,058 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1597553753] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:32:22,058 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:32:22,058 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 07:32:22,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [995944148] [2023-04-03 07:32:22,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:32:22,064 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 07:32:22,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:32:22,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 07:32:22,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 07:32:22,100 INFO L87 Difference]: Start difference. First operand has 2783 states, 1472 states have (on average 1.190217391304348) internal successors, (1752), 1512 states have internal predecessors, (1752), 900 states have call successors, (900), 297 states have call predecessors, (900), 295 states have return successors, (892), 883 states have call predecessors, (892), 892 states have call successors, (892) Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2023-04-03 07:32:25,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:32:25,117 INFO L93 Difference]: Finished difference Result 6579 states and 8783 transitions. [2023-04-03 07:32:25,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 07:32:25,119 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 146 [2023-04-03 07:32:25,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:32:25,163 INFO L225 Difference]: With dead ends: 6579 [2023-04-03 07:32:25,163 INFO L226 Difference]: Without dead ends: 4329 [2023-04-03 07:32:25,182 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 07:32:25,185 INFO L413 NwaCegarLoop]: 2702 mSDtfsCounter, 2816 mSDsluCounter, 2582 mSDsCounter, 0 mSdLazyCounter, 608 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2816 SdHoareTripleChecker+Valid, 5284 SdHoareTripleChecker+Invalid, 615 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 608 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2023-04-03 07:32:25,186 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2816 Valid, 5284 Invalid, 615 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 608 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2023-04-03 07:32:25,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4329 states. [2023-04-03 07:32:25,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4329 to 4325. [2023-04-03 07:32:25,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4325 states, 2361 states have (on average 1.2100804743752647) internal successors, (2857), 2432 states have internal predecessors, (2857), 1415 states have call successors, (1415), 549 states have call predecessors, (1415), 546 states have return successors, (1410), 1392 states have call predecessors, (1410), 1410 states have call successors, (1410) [2023-04-03 07:32:25,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4325 states to 4325 states and 5682 transitions. [2023-04-03 07:32:25,447 INFO L78 Accepts]: Start accepts. Automaton has 4325 states and 5682 transitions. Word has length 146 [2023-04-03 07:32:25,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:32:25,448 INFO L495 AbstractCegarLoop]: Abstraction has 4325 states and 5682 transitions. [2023-04-03 07:32:25,449 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2023-04-03 07:32:25,449 INFO L276 IsEmpty]: Start isEmpty. Operand 4325 states and 5682 transitions. [2023-04-03 07:32:25,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2023-04-03 07:32:25,457 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:32:25,457 INFO L195 NwaCegarLoop]: trace histogram [12, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 07:32:25,457 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-03 07:32:25,457 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 07:32:25,458 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:32:25,458 INFO L85 PathProgramCache]: Analyzing trace with hash 1168486804, now seen corresponding path program 1 times [2023-04-03 07:32:25,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:32:25,458 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1342660654] [2023-04-03 07:32:25,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:32:25,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:32:25,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:32:25,853 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 462 trivial. 0 not checked. [2023-04-03 07:32:25,853 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:32:25,853 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1342660654] [2023-04-03 07:32:25,853 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1342660654] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:32:25,855 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:32:25,855 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 07:32:25,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [878343007] [2023-04-03 07:32:25,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:32:25,858 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 07:32:25,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:32:25,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 07:32:25,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 07:32:25,859 INFO L87 Difference]: Start difference. First operand 4325 states and 5682 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2023-04-03 07:32:28,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:32:28,610 INFO L93 Difference]: Finished difference Result 12501 states and 16476 transitions. [2023-04-03 07:32:28,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 07:32:28,625 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 154 [2023-04-03 07:32:28,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:32:28,678 INFO L225 Difference]: With dead ends: 12501 [2023-04-03 07:32:28,678 INFO L226 Difference]: Without dead ends: 8212 [2023-04-03 07:32:28,698 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 07:32:28,699 INFO L413 NwaCegarLoop]: 2890 mSDtfsCounter, 2728 mSDsluCounter, 2597 mSDsCounter, 0 mSdLazyCounter, 626 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2728 SdHoareTripleChecker+Valid, 5487 SdHoareTripleChecker+Invalid, 632 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 626 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2023-04-03 07:32:28,699 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2728 Valid, 5487 Invalid, 632 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 626 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2023-04-03 07:32:28,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8212 states. [2023-04-03 07:32:29,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8212 to 8170. [2023-04-03 07:32:29,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8170 states, 4476 states have (on average 1.2097855227882037) internal successors, (5415), 4613 states have internal predecessors, (5415), 2654 states have call successors, (2654), 1055 states have call predecessors, (2654), 1037 states have return successors, (2705), 2588 states have call predecessors, (2705), 2649 states have call successors, (2705) [2023-04-03 07:32:29,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8170 states to 8170 states and 10774 transitions. [2023-04-03 07:32:29,198 INFO L78 Accepts]: Start accepts. Automaton has 8170 states and 10774 transitions. Word has length 154 [2023-04-03 07:32:29,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:32:29,200 INFO L495 AbstractCegarLoop]: Abstraction has 8170 states and 10774 transitions. [2023-04-03 07:32:29,201 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2023-04-03 07:32:29,201 INFO L276 IsEmpty]: Start isEmpty. Operand 8170 states and 10774 transitions. [2023-04-03 07:32:29,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2023-04-03 07:32:29,204 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:32:29,204 INFO L195 NwaCegarLoop]: trace histogram [12, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 07:32:29,204 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-03 07:32:29,204 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 07:32:29,204 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:32:29,205 INFO L85 PathProgramCache]: Analyzing trace with hash 1136157719, now seen corresponding path program 1 times [2023-04-03 07:32:29,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:32:29,205 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1173791534] [2023-04-03 07:32:29,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:32:29,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:32:29,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:32:29,798 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 462 trivial. 0 not checked. [2023-04-03 07:32:29,798 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:32:29,798 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1173791534] [2023-04-03 07:32:29,799 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1173791534] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:32:29,800 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:32:29,800 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-04-03 07:32:29,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1844866395] [2023-04-03 07:32:29,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:32:29,800 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-04-03 07:32:29,800 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:32:29,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-04-03 07:32:29,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2023-04-03 07:32:29,801 INFO L87 Difference]: Start difference. First operand 8170 states and 10774 transitions. Second operand has 6 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 4 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2023-04-03 07:32:38,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:32:38,566 INFO L93 Difference]: Finished difference Result 30868 states and 40707 transitions. [2023-04-03 07:32:38,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-04-03 07:32:38,567 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 4 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 158 [2023-04-03 07:32:38,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:32:38,686 INFO L225 Difference]: With dead ends: 30868 [2023-04-03 07:32:38,687 INFO L226 Difference]: Without dead ends: 22734 [2023-04-03 07:32:38,725 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2023-04-03 07:32:38,728 INFO L413 NwaCegarLoop]: 2673 mSDtfsCounter, 8370 mSDsluCounter, 6644 mSDsCounter, 0 mSdLazyCounter, 2715 mSolverCounterSat, 2939 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8374 SdHoareTripleChecker+Valid, 9317 SdHoareTripleChecker+Invalid, 5654 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2939 IncrementalHoareTripleChecker+Valid, 2715 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.9s IncrementalHoareTripleChecker+Time [2023-04-03 07:32:38,729 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8374 Valid, 9317 Invalid, 5654 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2939 Valid, 2715 Invalid, 0 Unknown, 0 Unchecked, 7.9s Time] [2023-04-03 07:32:38,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22734 states. [2023-04-03 07:32:39,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22734 to 22626. [2023-04-03 07:32:39,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22626 states, 12416 states have (on average 1.203527706185567) internal successors, (14943), 12773 states have internal predecessors, (14943), 7282 states have call successors, (7282), 2983 states have call predecessors, (7282), 2925 states have return successors, (7569), 7084 states have call predecessors, (7569), 7277 states have call successors, (7569) [2023-04-03 07:32:39,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22626 states to 22626 states and 29794 transitions. [2023-04-03 07:32:39,783 INFO L78 Accepts]: Start accepts. Automaton has 22626 states and 29794 transitions. Word has length 158 [2023-04-03 07:32:39,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:32:39,784 INFO L495 AbstractCegarLoop]: Abstraction has 22626 states and 29794 transitions. [2023-04-03 07:32:39,784 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 4 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2023-04-03 07:32:39,784 INFO L276 IsEmpty]: Start isEmpty. Operand 22626 states and 29794 transitions. [2023-04-03 07:32:39,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2023-04-03 07:32:39,789 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:32:39,790 INFO L195 NwaCegarLoop]: trace histogram [12, 11, 11, 11, 11, 11, 11, 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] [2023-04-03 07:32:39,790 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-03 07:32:39,790 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 07:32:39,790 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:32:39,791 INFO L85 PathProgramCache]: Analyzing trace with hash 1258847841, now seen corresponding path program 1 times [2023-04-03 07:32:39,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:32:39,791 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336885384] [2023-04-03 07:32:39,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:32:39,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:32:39,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:32:40,200 INFO L134 CoverageAnalysis]: Checked inductivity of 472 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 472 trivial. 0 not checked. [2023-04-03 07:32:40,200 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:32:40,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1336885384] [2023-04-03 07:32:40,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1336885384] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:32:40,200 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:32:40,200 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 07:32:40,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168009312] [2023-04-03 07:32:40,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:32:40,201 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 07:32:40,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:32:40,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 07:32:40,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 07:32:40,202 INFO L87 Difference]: Start difference. First operand 22626 states and 29794 transitions. Second operand has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2023-04-03 07:32:44,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:32:44,380 INFO L93 Difference]: Finished difference Result 39824 states and 52420 transitions. [2023-04-03 07:32:44,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 07:32:44,383 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 202 [2023-04-03 07:32:44,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:32:44,473 INFO L225 Difference]: With dead ends: 39824 [2023-04-03 07:32:44,473 INFO L226 Difference]: Without dead ends: 17234 [2023-04-03 07:32:44,553 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 07:32:44,554 INFO L413 NwaCegarLoop]: 3449 mSDtfsCounter, 1784 mSDsluCounter, 2620 mSDsCounter, 0 mSdLazyCounter, 730 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1784 SdHoareTripleChecker+Valid, 6069 SdHoareTripleChecker+Invalid, 747 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 730 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2023-04-03 07:32:44,554 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1784 Valid, 6069 Invalid, 747 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 730 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2023-04-03 07:32:44,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17234 states. [2023-04-03 07:32:45,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17234 to 17162. [2023-04-03 07:32:45,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17162 states, 9443 states have (on average 1.2074552578629674) internal successors, (11402), 9746 states have internal predecessors, (11402), 5422 states have call successors, (5422), 2346 states have call predecessors, (5422), 2294 states have return successors, (5611), 5235 states have call predecessors, (5611), 5417 states have call successors, (5611) [2023-04-03 07:32:45,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17162 states to 17162 states and 22435 transitions. [2023-04-03 07:32:45,140 INFO L78 Accepts]: Start accepts. Automaton has 17162 states and 22435 transitions. Word has length 202 [2023-04-03 07:32:45,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:32:45,141 INFO L495 AbstractCegarLoop]: Abstraction has 17162 states and 22435 transitions. [2023-04-03 07:32:45,141 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2023-04-03 07:32:45,142 INFO L276 IsEmpty]: Start isEmpty. Operand 17162 states and 22435 transitions. [2023-04-03 07:32:45,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2023-04-03 07:32:45,144 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:32:45,144 INFO L195 NwaCegarLoop]: trace histogram [14, 11, 11, 11, 11, 11, 11, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 07:32:45,144 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-03 07:32:45,144 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 07:32:45,144 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:32:45,145 INFO L85 PathProgramCache]: Analyzing trace with hash 947698225, now seen corresponding path program 1 times [2023-04-03 07:32:45,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:32:45,145 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [570893951] [2023-04-03 07:32:45,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:32:45,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:32:45,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:32:45,627 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 525 trivial. 0 not checked. [2023-04-03 07:32:45,627 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:32:45,627 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [570893951] [2023-04-03 07:32:45,627 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [570893951] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:32:45,627 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:32:45,627 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 07:32:45,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824702146] [2023-04-03 07:32:45,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:32:45,628 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 07:32:45,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:32:45,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 07:32:45,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 07:32:45,629 INFO L87 Difference]: Start difference. First operand 17162 states and 22435 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (31), 3 states have call predecessors, (31), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-04-03 07:32:49,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:32:49,551 INFO L93 Difference]: Finished difference Result 17168 states and 22440 transitions. [2023-04-03 07:32:49,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 07:32:49,552 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 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 199 [2023-04-03 07:32:49,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:32:49,619 INFO L225 Difference]: With dead ends: 17168 [2023-04-03 07:32:49,619 INFO L226 Difference]: Without dead ends: 17166 [2023-04-03 07:32:49,631 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-04-03 07:32:49,632 INFO L413 NwaCegarLoop]: 2669 mSDtfsCounter, 2942 mSDsluCounter, 5325 mSDsCounter, 0 mSdLazyCounter, 905 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2954 SdHoareTripleChecker+Valid, 7994 SdHoareTripleChecker+Invalid, 906 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 905 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2023-04-03 07:32:49,632 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2954 Valid, 7994 Invalid, 906 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 905 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2023-04-03 07:32:49,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17166 states. [2023-04-03 07:32:50,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17166 to 17166. [2023-04-03 07:32:50,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17166 states, 9446 states have (on average 1.2073893711623969) internal successors, (11405), 9749 states have internal predecessors, (11405), 5422 states have call successors, (5422), 2347 states have call predecessors, (5422), 2295 states have return successors, (5611), 5235 states have call predecessors, (5611), 5417 states have call successors, (5611) [2023-04-03 07:32:50,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17166 states to 17166 states and 22438 transitions. [2023-04-03 07:32:50,225 INFO L78 Accepts]: Start accepts. Automaton has 17166 states and 22438 transitions. Word has length 199 [2023-04-03 07:32:50,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:32:50,226 INFO L495 AbstractCegarLoop]: Abstraction has 17166 states and 22438 transitions. [2023-04-03 07:32:50,226 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (31), 3 states have call predecessors, (31), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-04-03 07:32:50,226 INFO L276 IsEmpty]: Start isEmpty. Operand 17166 states and 22438 transitions. [2023-04-03 07:32:50,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2023-04-03 07:32:50,229 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:32:50,229 INFO L195 NwaCegarLoop]: trace histogram [14, 11, 11, 11, 11, 11, 11, 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] [2023-04-03 07:32:50,229 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-04-03 07:32:50,229 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 07:32:50,229 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:32:50,229 INFO L85 PathProgramCache]: Analyzing trace with hash 714368821, now seen corresponding path program 1 times [2023-04-03 07:32:50,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:32:50,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [41944871] [2023-04-03 07:32:50,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:32:50,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:32:50,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:32:50,665 INFO L134 CoverageAnalysis]: Checked inductivity of 534 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 525 trivial. 0 not checked. [2023-04-03 07:32:50,665 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:32:50,665 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [41944871] [2023-04-03 07:32:50,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [41944871] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:32:50,666 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:32:50,666 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 07:32:50,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [185517682] [2023-04-03 07:32:50,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:32:50,666 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 07:32:50,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:32:50,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 07:32:50,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 07:32:50,667 INFO L87 Difference]: Start difference. First operand 17166 states and 22438 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (32), 3 states have call predecessors, (32), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-04-03 07:32:55,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:32:55,172 INFO L93 Difference]: Finished difference Result 17172 states and 22443 transitions. [2023-04-03 07:32:55,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 07:32:55,173 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 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 204 [2023-04-03 07:32:55,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:32:55,245 INFO L225 Difference]: With dead ends: 17172 [2023-04-03 07:32:55,245 INFO L226 Difference]: Without dead ends: 17170 [2023-04-03 07:32:55,258 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-04-03 07:32:55,258 INFO L413 NwaCegarLoop]: 2672 mSDtfsCounter, 2937 mSDsluCounter, 5325 mSDsCounter, 0 mSdLazyCounter, 905 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2948 SdHoareTripleChecker+Valid, 7997 SdHoareTripleChecker+Invalid, 906 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 905 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2023-04-03 07:32:55,259 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2948 Valid, 7997 Invalid, 906 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 905 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2023-04-03 07:32:55,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17170 states. [2023-04-03 07:32:55,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17170 to 17170. [2023-04-03 07:32:55,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17170 states, 9449 states have (on average 1.2073235262990794) internal successors, (11408), 9752 states have internal predecessors, (11408), 5422 states have call successors, (5422), 2348 states have call predecessors, (5422), 2296 states have return successors, (5611), 5235 states have call predecessors, (5611), 5417 states have call successors, (5611) [2023-04-03 07:32:55,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17170 states to 17170 states and 22441 transitions. [2023-04-03 07:32:55,880 INFO L78 Accepts]: Start accepts. Automaton has 17170 states and 22441 transitions. Word has length 204 [2023-04-03 07:32:55,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:32:55,881 INFO L495 AbstractCegarLoop]: Abstraction has 17170 states and 22441 transitions. [2023-04-03 07:32:55,881 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (32), 3 states have call predecessors, (32), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-04-03 07:32:55,881 INFO L276 IsEmpty]: Start isEmpty. Operand 17170 states and 22441 transitions. [2023-04-03 07:32:55,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2023-04-03 07:32:55,883 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:32:55,883 INFO L195 NwaCegarLoop]: trace histogram [14, 11, 11, 11, 11, 11, 11, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 07:32:55,883 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-04-03 07:32:55,884 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 07:32:55,884 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:32:55,884 INFO L85 PathProgramCache]: Analyzing trace with hash 741430385, now seen corresponding path program 1 times [2023-04-03 07:32:55,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:32:55,884 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [638974936] [2023-04-03 07:32:55,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:32:55,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:32:55,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:32:56,351 INFO L134 CoverageAnalysis]: Checked inductivity of 540 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 529 trivial. 0 not checked. [2023-04-03 07:32:56,352 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:32:56,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [638974936] [2023-04-03 07:32:56,352 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [638974936] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:32:56,352 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:32:56,352 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 07:32:56,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1589204188] [2023-04-03 07:32:56,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:32:56,352 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 07:32:56,353 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:32:56,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 07:32:56,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 07:32:56,354 INFO L87 Difference]: Start difference. First operand 17170 states and 22441 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (33), 3 states have call predecessors, (33), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2023-04-03 07:32:59,482 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:33:01,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:33:01,105 INFO L93 Difference]: Finished difference Result 17176 states and 22446 transitions. [2023-04-03 07:33:01,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 07:33:01,106 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 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 209 [2023-04-03 07:33:01,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:33:01,173 INFO L225 Difference]: With dead ends: 17176 [2023-04-03 07:33:01,174 INFO L226 Difference]: Without dead ends: 17174 [2023-04-03 07:33:01,185 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-04-03 07:33:01,186 INFO L413 NwaCegarLoop]: 2672 mSDtfsCounter, 2937 mSDsluCounter, 5325 mSDsCounter, 0 mSdLazyCounter, 905 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2947 SdHoareTripleChecker+Valid, 7997 SdHoareTripleChecker+Invalid, 906 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 905 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2023-04-03 07:33:01,186 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2947 Valid, 7997 Invalid, 906 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 905 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2023-04-03 07:33:01,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17174 states. [2023-04-03 07:33:01,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17174 to 17174. [2023-04-03 07:33:01,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17174 states, 9452 states have (on average 1.2072577232331783) internal successors, (11411), 9755 states have internal predecessors, (11411), 5422 states have call successors, (5422), 2349 states have call predecessors, (5422), 2297 states have return successors, (5611), 5235 states have call predecessors, (5611), 5417 states have call successors, (5611) [2023-04-03 07:33:01,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17174 states to 17174 states and 22444 transitions. [2023-04-03 07:33:01,923 INFO L78 Accepts]: Start accepts. Automaton has 17174 states and 22444 transitions. Word has length 209 [2023-04-03 07:33:01,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:33:01,923 INFO L495 AbstractCegarLoop]: Abstraction has 17174 states and 22444 transitions. [2023-04-03 07:33:01,923 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (33), 3 states have call predecessors, (33), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2023-04-03 07:33:01,923 INFO L276 IsEmpty]: Start isEmpty. Operand 17174 states and 22444 transitions. [2023-04-03 07:33:01,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2023-04-03 07:33:01,926 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:33:01,926 INFO L195 NwaCegarLoop]: trace histogram [14, 11, 11, 11, 11, 11, 11, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 07:33:01,926 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-04-03 07:33:01,926 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 07:33:01,926 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:33:01,927 INFO L85 PathProgramCache]: Analyzing trace with hash -1625267083, now seen corresponding path program 1 times [2023-04-03 07:33:01,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:33:01,927 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1224498603] [2023-04-03 07:33:01,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:33:01,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:33:01,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:33:02,274 INFO L134 CoverageAnalysis]: Checked inductivity of 550 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 537 trivial. 0 not checked. [2023-04-03 07:33:02,274 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:33:02,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1224498603] [2023-04-03 07:33:02,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1224498603] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:33:02,274 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:33:02,274 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 07:33:02,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [237456576] [2023-04-03 07:33:02,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:33:02,275 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 07:33:02,275 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:33:02,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 07:33:02,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 07:33:02,276 INFO L87 Difference]: Start difference. First operand 17174 states and 22444 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (34), 3 states have call predecessors, (34), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2023-04-03 07:33:06,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:33:06,294 INFO L93 Difference]: Finished difference Result 17180 states and 22449 transitions. [2023-04-03 07:33:06,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 07:33:06,294 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 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 214 [2023-04-03 07:33:06,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:33:06,358 INFO L225 Difference]: With dead ends: 17180 [2023-04-03 07:33:06,358 INFO L226 Difference]: Without dead ends: 17178 [2023-04-03 07:33:06,371 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-04-03 07:33:06,371 INFO L413 NwaCegarLoop]: 2672 mSDtfsCounter, 2937 mSDsluCounter, 5325 mSDsCounter, 0 mSdLazyCounter, 905 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2946 SdHoareTripleChecker+Valid, 7997 SdHoareTripleChecker+Invalid, 906 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 905 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2023-04-03 07:33:06,371 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2946 Valid, 7997 Invalid, 906 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 905 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2023-04-03 07:33:06,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17178 states. [2023-04-03 07:33:07,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17178 to 17178. [2023-04-03 07:33:07,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17178 states, 9455 states have (on average 1.2071919619249074) internal successors, (11414), 9758 states have internal predecessors, (11414), 5422 states have call successors, (5422), 2350 states have call predecessors, (5422), 2298 states have return successors, (5611), 5235 states have call predecessors, (5611), 5417 states have call successors, (5611) [2023-04-03 07:33:07,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17178 states to 17178 states and 22447 transitions. [2023-04-03 07:33:07,167 INFO L78 Accepts]: Start accepts. Automaton has 17178 states and 22447 transitions. Word has length 214 [2023-04-03 07:33:07,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:33:07,168 INFO L495 AbstractCegarLoop]: Abstraction has 17178 states and 22447 transitions. [2023-04-03 07:33:07,168 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (34), 3 states have call predecessors, (34), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2023-04-03 07:33:07,168 INFO L276 IsEmpty]: Start isEmpty. Operand 17178 states and 22447 transitions. [2023-04-03 07:33:07,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2023-04-03 07:33:07,171 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:33:07,171 INFO L195 NwaCegarLoop]: trace histogram [14, 11, 11, 11, 11, 11, 11, 5, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 07:33:07,171 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-04-03 07:33:07,171 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 07:33:07,172 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:33:07,172 INFO L85 PathProgramCache]: Analyzing trace with hash -32780623, now seen corresponding path program 1 times [2023-04-03 07:33:07,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:33:07,172 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1961491137] [2023-04-03 07:33:07,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:33:07,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:33:07,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:33:07,526 INFO L134 CoverageAnalysis]: Checked inductivity of 564 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 549 trivial. 0 not checked. [2023-04-03 07:33:07,526 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:33:07,526 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1961491137] [2023-04-03 07:33:07,526 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1961491137] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:33:07,526 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:33:07,526 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 07:33:07,526 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1236090200] [2023-04-03 07:33:07,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:33:07,528 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 07:33:07,528 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:33:07,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 07:33:07,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 07:33:07,528 INFO L87 Difference]: Start difference. First operand 17178 states and 22447 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (35), 3 states have call predecessors, (35), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-04-03 07:33:10,597 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:33:13,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:33:13,333 INFO L93 Difference]: Finished difference Result 17184 states and 22452 transitions. [2023-04-03 07:33:13,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 07:33:13,334 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (35), 3 states have call predecessors, (35), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 219 [2023-04-03 07:33:13,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:33:13,388 INFO L225 Difference]: With dead ends: 17184 [2023-04-03 07:33:13,388 INFO L226 Difference]: Without dead ends: 17182 [2023-04-03 07:33:13,398 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-04-03 07:33:13,398 INFO L413 NwaCegarLoop]: 2672 mSDtfsCounter, 2937 mSDsluCounter, 5325 mSDsCounter, 0 mSdLazyCounter, 905 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2945 SdHoareTripleChecker+Valid, 7997 SdHoareTripleChecker+Invalid, 906 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 905 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2023-04-03 07:33:13,398 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2945 Valid, 7997 Invalid, 906 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 905 Invalid, 0 Unknown, 0 Unchecked, 5.2s Time] [2023-04-03 07:33:13,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17182 states. [2023-04-03 07:33:14,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17182 to 17182. [2023-04-03 07:33:14,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17182 states, 9458 states have (on average 1.2071262423345317) internal successors, (11417), 9761 states have internal predecessors, (11417), 5422 states have call successors, (5422), 2351 states have call predecessors, (5422), 2299 states have return successors, (5611), 5235 states have call predecessors, (5611), 5417 states have call successors, (5611) [2023-04-03 07:33:14,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17182 states to 17182 states and 22450 transitions. [2023-04-03 07:33:14,141 INFO L78 Accepts]: Start accepts. Automaton has 17182 states and 22450 transitions. Word has length 219 [2023-04-03 07:33:14,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:33:14,141 INFO L495 AbstractCegarLoop]: Abstraction has 17182 states and 22450 transitions. [2023-04-03 07:33:14,141 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (35), 3 states have call predecessors, (35), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-04-03 07:33:14,141 INFO L276 IsEmpty]: Start isEmpty. Operand 17182 states and 22450 transitions. [2023-04-03 07:33:14,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2023-04-03 07:33:14,144 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:33:14,144 INFO L195 NwaCegarLoop]: trace histogram [14, 11, 11, 11, 11, 11, 11, 6, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 07:33:14,144 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-04-03 07:33:14,145 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 07:33:14,145 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:33:14,145 INFO L85 PathProgramCache]: Analyzing trace with hash -2110619211, now seen corresponding path program 1 times [2023-04-03 07:33:14,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:33:14,145 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1217369058] [2023-04-03 07:33:14,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:33:14,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:33:14,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:33:14,503 INFO L134 CoverageAnalysis]: Checked inductivity of 582 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 565 trivial. 0 not checked. [2023-04-03 07:33:14,504 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:33:14,504 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1217369058] [2023-04-03 07:33:14,504 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1217369058] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:33:14,504 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:33:14,504 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 07:33:14,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [59122187] [2023-04-03 07:33:14,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:33:14,505 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 07:33:14,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:33:14,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 07:33:14,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 07:33:14,505 INFO L87 Difference]: Start difference. First operand 17182 states and 22450 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (36), 3 states have call predecessors, (36), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2023-04-03 07:33:18,072 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:33:20,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:33:20,541 INFO L93 Difference]: Finished difference Result 17188 states and 22455 transitions. [2023-04-03 07:33:20,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 07:33:20,542 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (36), 3 states have call predecessors, (36), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 224 [2023-04-03 07:33:20,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:33:20,606 INFO L225 Difference]: With dead ends: 17188 [2023-04-03 07:33:20,606 INFO L226 Difference]: Without dead ends: 17186 [2023-04-03 07:33:20,618 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-04-03 07:33:20,619 INFO L413 NwaCegarLoop]: 2672 mSDtfsCounter, 2937 mSDsluCounter, 5325 mSDsCounter, 0 mSdLazyCounter, 905 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2944 SdHoareTripleChecker+Valid, 7997 SdHoareTripleChecker+Invalid, 906 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 905 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2023-04-03 07:33:20,619 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2944 Valid, 7997 Invalid, 906 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 905 Invalid, 0 Unknown, 0 Unchecked, 5.4s Time] [2023-04-03 07:33:20,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17186 states. [2023-04-03 07:33:21,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17186 to 17186. [2023-04-03 07:33:21,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17186 states, 9461 states have (on average 1.2070605644223655) internal successors, (11420), 9764 states have internal predecessors, (11420), 5422 states have call successors, (5422), 2352 states have call predecessors, (5422), 2300 states have return successors, (5611), 5235 states have call predecessors, (5611), 5417 states have call successors, (5611) [2023-04-03 07:33:21,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17186 states to 17186 states and 22453 transitions. [2023-04-03 07:33:21,483 INFO L78 Accepts]: Start accepts. Automaton has 17186 states and 22453 transitions. Word has length 224 [2023-04-03 07:33:21,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:33:21,484 INFO L495 AbstractCegarLoop]: Abstraction has 17186 states and 22453 transitions. [2023-04-03 07:33:21,484 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (36), 3 states have call predecessors, (36), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2023-04-03 07:33:21,484 INFO L276 IsEmpty]: Start isEmpty. Operand 17186 states and 22453 transitions. [2023-04-03 07:33:21,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2023-04-03 07:33:21,487 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:33:21,488 INFO L195 NwaCegarLoop]: trace histogram [14, 11, 11, 11, 11, 11, 11, 7, 6, 6, 4, 4, 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] [2023-04-03 07:33:21,488 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-04-03 07:33:21,489 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 07:33:21,489 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:33:21,489 INFO L85 PathProgramCache]: Analyzing trace with hash 1300577886, now seen corresponding path program 1 times [2023-04-03 07:33:21,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:33:21,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [372264281] [2023-04-03 07:33:21,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:33:21,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:33:21,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:33:21,883 INFO L134 CoverageAnalysis]: Checked inductivity of 608 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 594 trivial. 0 not checked. [2023-04-03 07:33:21,883 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:33:21,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [372264281] [2023-04-03 07:33:21,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [372264281] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:33:21,883 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:33:21,883 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 07:33:21,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [270042145] [2023-04-03 07:33:21,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:33:21,884 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 07:33:21,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:33:21,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 07:33:21,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 07:33:21,885 INFO L87 Difference]: Start difference. First operand 17186 states and 22453 transitions. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (45), 3 states have call predecessors, (45), 2 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2023-04-03 07:33:26,036 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:33:27,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:33:27,074 INFO L93 Difference]: Finished difference Result 17192 states and 22458 transitions. [2023-04-03 07:33:27,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 07:33:27,075 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (45), 3 states have call predecessors, (45), 2 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) Word has length 254 [2023-04-03 07:33:27,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:33:27,136 INFO L225 Difference]: With dead ends: 17192 [2023-04-03 07:33:27,137 INFO L226 Difference]: Without dead ends: 17190 [2023-04-03 07:33:27,147 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-04-03 07:33:27,148 INFO L413 NwaCegarLoop]: 2672 mSDtfsCounter, 2941 mSDsluCounter, 5325 mSDsCounter, 0 mSdLazyCounter, 905 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2947 SdHoareTripleChecker+Valid, 7997 SdHoareTripleChecker+Invalid, 906 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 905 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2023-04-03 07:33:27,148 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2947 Valid, 7997 Invalid, 906 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 905 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2023-04-03 07:33:27,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17190 states. [2023-04-03 07:33:27,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17190 to 17190. [2023-04-03 07:33:27,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17190 states, 9464 states have (on average 1.2069949281487744) internal successors, (11423), 9767 states have internal predecessors, (11423), 5422 states have call successors, (5422), 2353 states have call predecessors, (5422), 2301 states have return successors, (5611), 5235 states have call predecessors, (5611), 5417 states have call successors, (5611) [2023-04-03 07:33:28,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17190 states to 17190 states and 22456 transitions. [2023-04-03 07:33:28,045 INFO L78 Accepts]: Start accepts. Automaton has 17190 states and 22456 transitions. Word has length 254 [2023-04-03 07:33:28,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:33:28,046 INFO L495 AbstractCegarLoop]: Abstraction has 17190 states and 22456 transitions. [2023-04-03 07:33:28,046 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (45), 3 states have call predecessors, (45), 2 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2023-04-03 07:33:28,046 INFO L276 IsEmpty]: Start isEmpty. Operand 17190 states and 22456 transitions. [2023-04-03 07:33:28,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2023-04-03 07:33:28,049 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:33:28,049 INFO L195 NwaCegarLoop]: trace histogram [14, 11, 11, 11, 11, 11, 11, 8, 7, 7, 4, 4, 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] [2023-04-03 07:33:28,049 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-04-03 07:33:28,049 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 07:33:28,049 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:33:28,049 INFO L85 PathProgramCache]: Analyzing trace with hash -2018048600, now seen corresponding path program 1 times [2023-04-03 07:33:28,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:33:28,050 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1135382981] [2023-04-03 07:33:28,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:33:28,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:33:28,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:33:28,509 INFO L134 CoverageAnalysis]: Checked inductivity of 634 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 618 trivial. 0 not checked. [2023-04-03 07:33:28,509 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:33:28,509 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1135382981] [2023-04-03 07:33:28,509 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1135382981] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:33:28,509 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:33:28,510 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 07:33:28,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001402429] [2023-04-03 07:33:28,510 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:33:28,510 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 07:33:28,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:33:28,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 07:33:28,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 07:33:28,511 INFO L87 Difference]: Start difference. First operand 17190 states and 22456 transitions. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (46), 3 states have call predecessors, (46), 2 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2023-04-03 07:33:31,089 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:33:35,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:33:35,552 INFO L93 Difference]: Finished difference Result 19137 states and 24790 transitions. [2023-04-03 07:33:35,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 07:33:35,552 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (46), 3 states have call predecessors, (46), 2 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) Word has length 259 [2023-04-03 07:33:35,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:33:35,609 INFO L225 Difference]: With dead ends: 19137 [2023-04-03 07:33:35,615 INFO L226 Difference]: Without dead ends: 19135 [2023-04-03 07:33:35,633 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-04-03 07:33:35,633 INFO L413 NwaCegarLoop]: 2969 mSDtfsCounter, 2641 mSDsluCounter, 6595 mSDsCounter, 0 mSdLazyCounter, 1130 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2646 SdHoareTripleChecker+Valid, 9564 SdHoareTripleChecker+Invalid, 1132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2023-04-03 07:33:35,633 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2646 Valid, 9564 Invalid, 1132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1130 Invalid, 0 Unknown, 0 Unchecked, 6.2s Time] [2023-04-03 07:33:35,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19135 states. [2023-04-03 07:33:36,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19135 to 19135. [2023-04-03 07:33:36,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19135 states, 10539 states have (on average 1.2057121168991365) internal successors, (12707), 10861 states have internal predecessors, (12707), 5946 states have call successors, (5946), 2699 states have call predecessors, (5946), 2647 states have return successors, (6135), 5759 states have call predecessors, (6135), 5941 states have call successors, (6135) [2023-04-03 07:33:36,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19135 states to 19135 states and 24788 transitions. [2023-04-03 07:33:36,661 INFO L78 Accepts]: Start accepts. Automaton has 19135 states and 24788 transitions. Word has length 259 [2023-04-03 07:33:36,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:33:36,661 INFO L495 AbstractCegarLoop]: Abstraction has 19135 states and 24788 transitions. [2023-04-03 07:33:36,661 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (46), 3 states have call predecessors, (46), 2 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2023-04-03 07:33:36,661 INFO L276 IsEmpty]: Start isEmpty. Operand 19135 states and 24788 transitions. [2023-04-03 07:33:36,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2023-04-03 07:33:36,664 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:33:36,664 INFO L195 NwaCegarLoop]: trace histogram [14, 11, 11, 11, 11, 11, 11, 9, 8, 8, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 07:33:36,664 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-04-03 07:33:36,665 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 07:33:36,665 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:33:36,665 INFO L85 PathProgramCache]: Analyzing trace with hash 1926390577, now seen corresponding path program 1 times [2023-04-03 07:33:36,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:33:36,665 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [83096768] [2023-04-03 07:33:36,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:33:36,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:33:36,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:33:37,042 INFO L134 CoverageAnalysis]: Checked inductivity of 660 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 637 trivial. 0 not checked. [2023-04-03 07:33:37,043 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:33:37,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [83096768] [2023-04-03 07:33:37,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [83096768] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:33:37,043 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:33:37,043 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 07:33:37,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [739429072] [2023-04-03 07:33:37,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:33:37,044 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 07:33:37,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:33:37,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 07:33:37,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 07:33:37,045 INFO L87 Difference]: Start difference. First operand 19135 states and 24788 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (39), 3 states have call predecessors, (39), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2023-04-03 07:33:41,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:33:41,788 INFO L93 Difference]: Finished difference Result 19141 states and 24793 transitions. [2023-04-03 07:33:41,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 07:33:41,789 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (39), 3 states have call predecessors, (39), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) Word has length 239 [2023-04-03 07:33:41,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:33:41,851 INFO L225 Difference]: With dead ends: 19141 [2023-04-03 07:33:41,851 INFO L226 Difference]: Without dead ends: 19139 [2023-04-03 07:33:41,863 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-04-03 07:33:41,863 INFO L413 NwaCegarLoop]: 2672 mSDtfsCounter, 2937 mSDsluCounter, 5325 mSDsCounter, 0 mSdLazyCounter, 905 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2941 SdHoareTripleChecker+Valid, 7997 SdHoareTripleChecker+Invalid, 906 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 905 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2023-04-03 07:33:41,863 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2941 Valid, 7997 Invalid, 906 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 905 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2023-04-03 07:33:41,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19139 states. [2023-04-03 07:33:42,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19139 to 19139. [2023-04-03 07:33:42,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19139 states, 10542 states have (on average 1.2056535761715044) internal successors, (12710), 10864 states have internal predecessors, (12710), 5946 states have call successors, (5946), 2700 states have call predecessors, (5946), 2648 states have return successors, (6135), 5759 states have call predecessors, (6135), 5941 states have call successors, (6135) [2023-04-03 07:33:42,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19139 states to 19139 states and 24791 transitions. [2023-04-03 07:33:42,943 INFO L78 Accepts]: Start accepts. Automaton has 19139 states and 24791 transitions. Word has length 239 [2023-04-03 07:33:42,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:33:42,943 INFO L495 AbstractCegarLoop]: Abstraction has 19139 states and 24791 transitions. [2023-04-03 07:33:42,943 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (39), 3 states have call predecessors, (39), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2023-04-03 07:33:42,944 INFO L276 IsEmpty]: Start isEmpty. Operand 19139 states and 24791 transitions. [2023-04-03 07:33:42,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2023-04-03 07:33:42,947 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:33:42,947 INFO L195 NwaCegarLoop]: trace histogram [14, 11, 11, 11, 11, 11, 11, 10, 9, 9, 4, 4, 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] [2023-04-03 07:33:42,947 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-04-03 07:33:42,947 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 07:33:42,947 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:33:42,947 INFO L85 PathProgramCache]: Analyzing trace with hash -366551256, now seen corresponding path program 1 times [2023-04-03 07:33:42,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:33:42,948 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1269890765] [2023-04-03 07:33:42,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:33:42,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:33:43,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:33:43,345 INFO L134 CoverageAnalysis]: Checked inductivity of 698 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 678 trivial. 0 not checked. [2023-04-03 07:33:43,345 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:33:43,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1269890765] [2023-04-03 07:33:43,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1269890765] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:33:43,345 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:33:43,345 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 07:33:43,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2080367910] [2023-04-03 07:33:43,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:33:43,346 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 07:33:43,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:33:43,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 07:33:43,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 07:33:43,347 INFO L87 Difference]: Start difference. First operand 19139 states and 24791 transitions. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (48), 3 states have call predecessors, (48), 2 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2023-04-03 07:33:49,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:33:49,006 INFO L93 Difference]: Finished difference Result 19145 states and 24796 transitions. [2023-04-03 07:33:49,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 07:33:49,007 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (48), 3 states have call predecessors, (48), 2 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) Word has length 269 [2023-04-03 07:33:49,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:33:49,073 INFO L225 Difference]: With dead ends: 19145 [2023-04-03 07:33:49,073 INFO L226 Difference]: Without dead ends: 19143 [2023-04-03 07:33:49,086 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-04-03 07:33:49,086 INFO L413 NwaCegarLoop]: 2672 mSDtfsCounter, 2941 mSDsluCounter, 5325 mSDsCounter, 0 mSdLazyCounter, 905 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2944 SdHoareTripleChecker+Valid, 7997 SdHoareTripleChecker+Invalid, 906 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 905 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2023-04-03 07:33:49,086 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2944 Valid, 7997 Invalid, 906 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 905 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2023-04-03 07:33:49,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19143 states. [2023-04-03 07:33:50,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19143 to 19143. [2023-04-03 07:33:50,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19143 states, 10545 states have (on average 1.2055950687529635) internal successors, (12713), 10867 states have internal predecessors, (12713), 5946 states have call successors, (5946), 2701 states have call predecessors, (5946), 2649 states have return successors, (6135), 5759 states have call predecessors, (6135), 5941 states have call successors, (6135) [2023-04-03 07:33:50,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19143 states to 19143 states and 24794 transitions. [2023-04-03 07:33:50,228 INFO L78 Accepts]: Start accepts. Automaton has 19143 states and 24794 transitions. Word has length 269 [2023-04-03 07:33:50,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:33:50,229 INFO L495 AbstractCegarLoop]: Abstraction has 19143 states and 24794 transitions. [2023-04-03 07:33:50,229 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (48), 3 states have call predecessors, (48), 2 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2023-04-03 07:33:50,229 INFO L276 IsEmpty]: Start isEmpty. Operand 19143 states and 24794 transitions. [2023-04-03 07:33:50,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2023-04-03 07:33:50,232 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:33:50,233 INFO L195 NwaCegarLoop]: trace histogram [14, 11, 11, 11, 11, 11, 11, 11, 10, 10, 4, 4, 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] [2023-04-03 07:33:50,233 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-04-03 07:33:50,233 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 07:33:50,233 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:33:50,233 INFO L85 PathProgramCache]: Analyzing trace with hash 136551006, now seen corresponding path program 1 times [2023-04-03 07:33:50,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:33:50,234 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1235294764] [2023-04-03 07:33:50,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:33:50,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:33:50,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:33:50,653 INFO L134 CoverageAnalysis]: Checked inductivity of 736 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 714 trivial. 0 not checked. [2023-04-03 07:33:50,653 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:33:50,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1235294764] [2023-04-03 07:33:50,653 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1235294764] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:33:50,653 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:33:50,653 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 07:33:50,654 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [162870674] [2023-04-03 07:33:50,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:33:50,654 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 07:33:50,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:33:50,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 07:33:50,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 07:33:50,655 INFO L87 Difference]: Start difference. First operand 19143 states and 24794 transitions. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (49), 3 states have call predecessors, (49), 2 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) [2023-04-03 07:33:56,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:33:56,209 INFO L93 Difference]: Finished difference Result 19149 states and 24799 transitions. [2023-04-03 07:33:56,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 07:33:56,209 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (49), 3 states have call predecessors, (49), 2 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) Word has length 274 [2023-04-03 07:33:56,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:33:56,263 INFO L225 Difference]: With dead ends: 19149 [2023-04-03 07:33:56,263 INFO L226 Difference]: Without dead ends: 19147 [2023-04-03 07:33:56,271 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-04-03 07:33:56,272 INFO L413 NwaCegarLoop]: 2672 mSDtfsCounter, 2941 mSDsluCounter, 5325 mSDsCounter, 0 mSdLazyCounter, 905 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2943 SdHoareTripleChecker+Valid, 7997 SdHoareTripleChecker+Invalid, 906 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 905 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2023-04-03 07:33:56,272 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2943 Valid, 7997 Invalid, 906 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 905 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2023-04-03 07:33:56,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19147 states. [2023-04-03 07:33:57,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19147 to 19147. [2023-04-03 07:33:57,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19147 states, 10548 states have (on average 1.2055365946150929) internal successors, (12716), 10870 states have internal predecessors, (12716), 5946 states have call successors, (5946), 2702 states have call predecessors, (5946), 2650 states have return successors, (6135), 5759 states have call predecessors, (6135), 5941 states have call successors, (6135) [2023-04-03 07:33:57,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19147 states to 19147 states and 24797 transitions. [2023-04-03 07:33:57,453 INFO L78 Accepts]: Start accepts. Automaton has 19147 states and 24797 transitions. Word has length 274 [2023-04-03 07:33:57,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:33:57,454 INFO L495 AbstractCegarLoop]: Abstraction has 19147 states and 24797 transitions. [2023-04-03 07:33:57,454 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (49), 3 states have call predecessors, (49), 2 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) [2023-04-03 07:33:57,454 INFO L276 IsEmpty]: Start isEmpty. Operand 19147 states and 24797 transitions. [2023-04-03 07:33:57,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2023-04-03 07:33:57,457 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:33:57,458 INFO L195 NwaCegarLoop]: trace histogram [14, 12, 11, 11, 11, 11, 11, 11, 11, 11, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 07:33:57,458 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-04-03 07:33:57,458 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 07:33:57,458 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:33:57,458 INFO L85 PathProgramCache]: Analyzing trace with hash 1627232629, now seen corresponding path program 1 times [2023-04-03 07:33:57,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:33:57,458 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [556019214] [2023-04-03 07:33:57,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:33:57,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:33:57,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:33:57,782 INFO L134 CoverageAnalysis]: Checked inductivity of 774 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 745 trivial. 0 not checked. [2023-04-03 07:33:57,783 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:33:57,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [556019214] [2023-04-03 07:33:57,784 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [556019214] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:33:57,784 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:33:57,785 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 07:33:57,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545481281] [2023-04-03 07:33:57,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:33:57,785 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 07:33:57,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:33:57,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 07:33:57,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 07:33:57,786 INFO L87 Difference]: Start difference. First operand 19147 states and 24797 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (42), 3 states have call predecessors, (42), 2 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2023-04-03 07:34:00,676 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:34:03,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:34:03,519 INFO L93 Difference]: Finished difference Result 19153 states and 24802 transitions. [2023-04-03 07:34:03,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 07:34:03,520 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (42), 3 states have call predecessors, (42), 2 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) Word has length 254 [2023-04-03 07:34:03,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:34:03,584 INFO L225 Difference]: With dead ends: 19153 [2023-04-03 07:34:03,584 INFO L226 Difference]: Without dead ends: 19149 [2023-04-03 07:34:03,596 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-04-03 07:34:03,597 INFO L413 NwaCegarLoop]: 2672 mSDtfsCounter, 2937 mSDsluCounter, 5325 mSDsCounter, 0 mSdLazyCounter, 905 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2938 SdHoareTripleChecker+Valid, 7997 SdHoareTripleChecker+Invalid, 906 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 905 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2023-04-03 07:34:03,597 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2938 Valid, 7997 Invalid, 906 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 905 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2023-04-03 07:34:03,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19149 states. [2023-04-03 07:34:04,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19149 to 19149. [2023-04-03 07:34:04,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19149 states, 10550 states have (on average 1.2054028436018958) internal successors, (12717), 10871 states have internal predecessors, (12717), 5946 states have call successors, (5946), 2703 states have call predecessors, (5946), 2650 states have return successors, (6135), 5759 states have call predecessors, (6135), 5941 states have call successors, (6135) [2023-04-03 07:34:04,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19149 states to 19149 states and 24798 transitions. [2023-04-03 07:34:04,919 INFO L78 Accepts]: Start accepts. Automaton has 19149 states and 24798 transitions. Word has length 254 [2023-04-03 07:34:04,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:34:04,920 INFO L495 AbstractCegarLoop]: Abstraction has 19149 states and 24798 transitions. [2023-04-03 07:34:04,920 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (42), 3 states have call predecessors, (42), 2 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2023-04-03 07:34:04,920 INFO L276 IsEmpty]: Start isEmpty. Operand 19149 states and 24798 transitions. [2023-04-03 07:34:04,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2023-04-03 07:34:04,924 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:34:04,924 INFO L195 NwaCegarLoop]: trace histogram [14, 13, 12, 12, 11, 11, 11, 11, 11, 11, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 07:34:04,924 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-04-03 07:34:04,924 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 07:34:04,924 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:34:04,924 INFO L85 PathProgramCache]: Analyzing trace with hash 422318174, now seen corresponding path program 1 times [2023-04-03 07:34:04,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:34:04,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725161754] [2023-04-03 07:34:04,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:34:04,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:34:04,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:34:05,254 INFO L134 CoverageAnalysis]: Checked inductivity of 824 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 798 trivial. 0 not checked. [2023-04-03 07:34:05,254 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:34:05,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1725161754] [2023-04-03 07:34:05,254 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1725161754] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:34:05,254 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:34:05,254 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 07:34:05,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1683414146] [2023-04-03 07:34:05,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:34:05,255 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 07:34:05,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:34:05,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 07:34:05,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 07:34:05,256 INFO L87 Difference]: Start difference. First operand 19149 states and 24798 transitions. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (51), 3 states have call predecessors, (51), 2 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) [2023-04-03 07:34:10,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:34:10,401 INFO L93 Difference]: Finished difference Result 19149 states and 24798 transitions. [2023-04-03 07:34:10,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 07:34:10,401 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (51), 3 states have call predecessors, (51), 2 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) Word has length 284 [2023-04-03 07:34:10,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:34:10,461 INFO L225 Difference]: With dead ends: 19149 [2023-04-03 07:34:10,461 INFO L226 Difference]: Without dead ends: 18787 [2023-04-03 07:34:10,473 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-04-03 07:34:10,473 INFO L413 NwaCegarLoop]: 2670 mSDtfsCounter, 2937 mSDsluCounter, 5324 mSDsCounter, 0 mSdLazyCounter, 900 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2937 SdHoareTripleChecker+Valid, 7994 SdHoareTripleChecker+Invalid, 901 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 900 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2023-04-03 07:34:10,474 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2937 Valid, 7994 Invalid, 901 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 900 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2023-04-03 07:34:10,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18787 states. [2023-04-03 07:34:11,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18787 to 18787. [2023-04-03 07:34:11,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18787 states, 10409 states have (on average 1.2041502545873763) internal successors, (12534), 10688 states have internal predecessors, (12534), 5792 states have call successors, (5792), 2611 states have call predecessors, (5792), 2584 states have return successors, (5985), 5666 states have call predecessors, (5985), 5791 states have call successors, (5985) [2023-04-03 07:34:11,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18787 states to 18787 states and 24311 transitions. [2023-04-03 07:34:11,877 INFO L78 Accepts]: Start accepts. Automaton has 18787 states and 24311 transitions. Word has length 284 [2023-04-03 07:34:11,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:34:11,878 INFO L495 AbstractCegarLoop]: Abstraction has 18787 states and 24311 transitions. [2023-04-03 07:34:11,878 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (51), 3 states have call predecessors, (51), 2 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) [2023-04-03 07:34:11,878 INFO L276 IsEmpty]: Start isEmpty. Operand 18787 states and 24311 transitions. [2023-04-03 07:34:11,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2023-04-03 07:34:11,882 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:34:11,882 INFO L195 NwaCegarLoop]: trace histogram [16, 12, 12, 12, 12, 12, 12, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 07:34:11,883 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-04-03 07:34:11,883 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 07:34:11,883 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:34:11,883 INFO L85 PathProgramCache]: Analyzing trace with hash -1120511018, now seen corresponding path program 1 times [2023-04-03 07:34:11,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:34:11,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1927713637] [2023-04-03 07:34:11,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:34:11,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:34:11,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:34:12,152 INFO L134 CoverageAnalysis]: Checked inductivity of 681 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 678 trivial. 0 not checked. [2023-04-03 07:34:12,152 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:34:12,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1927713637] [2023-04-03 07:34:12,153 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1927713637] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:34:12,153 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:34:12,153 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 07:34:12,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [574129483] [2023-04-03 07:34:12,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:34:12,153 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 07:34:12,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:34:12,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 07:34:12,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 07:34:12,154 INFO L87 Difference]: Start difference. First operand 18787 states and 24311 transitions. Second operand has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 2 states have call successors, (62), 2 states have call predecessors, (62), 2 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) [2023-04-03 07:34:14,900 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:34:17,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:34:17,094 INFO L93 Difference]: Finished difference Result 37510 states and 48661 transitions. [2023-04-03 07:34:17,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 07:34:17,095 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 2 states have call successors, (62), 2 states have call predecessors, (62), 2 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) Word has length 327 [2023-04-03 07:34:17,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:34:17,155 INFO L225 Difference]: With dead ends: 37510 [2023-04-03 07:34:17,155 INFO L226 Difference]: Without dead ends: 18943 [2023-04-03 07:34:17,198 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 07:34:17,198 INFO L413 NwaCegarLoop]: 2594 mSDtfsCounter, 16 mSDsluCounter, 2589 mSDsCounter, 0 mSdLazyCounter, 602 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 5183 SdHoareTripleChecker+Invalid, 602 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 602 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2023-04-03 07:34:17,199 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 5183 Invalid, 602 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 602 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2023-04-03 07:34:17,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18943 states. [2023-04-03 07:34:18,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18943 to 18799. [2023-04-03 07:34:18,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18799 states, 10421 states have (on average 1.203915171288744) internal successors, (12546), 10700 states have internal predecessors, (12546), 5792 states have call successors, (5792), 2611 states have call predecessors, (5792), 2584 states have return successors, (5985), 5666 states have call predecessors, (5985), 5791 states have call successors, (5985) [2023-04-03 07:34:18,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18799 states to 18799 states and 24323 transitions. [2023-04-03 07:34:18,473 INFO L78 Accepts]: Start accepts. Automaton has 18799 states and 24323 transitions. Word has length 327 [2023-04-03 07:34:18,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:34:18,474 INFO L495 AbstractCegarLoop]: Abstraction has 18799 states and 24323 transitions. [2023-04-03 07:34:18,474 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 2 states have call successors, (62), 2 states have call predecessors, (62), 2 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) [2023-04-03 07:34:18,474 INFO L276 IsEmpty]: Start isEmpty. Operand 18799 states and 24323 transitions. [2023-04-03 07:34:18,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2023-04-03 07:34:18,478 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:34:18,478 INFO L195 NwaCegarLoop]: trace histogram [16, 12, 12, 12, 12, 12, 12, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 07:34:18,478 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-04-03 07:34:18,479 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 07:34:18,479 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:34:18,479 INFO L85 PathProgramCache]: Analyzing trace with hash 1414097254, now seen corresponding path program 1 times [2023-04-03 07:34:18,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:34:18,479 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [768195051] [2023-04-03 07:34:18,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:34:18,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:34:18,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:34:18,863 INFO L134 CoverageAnalysis]: Checked inductivity of 697 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 693 trivial. 0 not checked. [2023-04-03 07:34:18,863 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:34:18,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [768195051] [2023-04-03 07:34:18,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [768195051] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-03 07:34:18,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [681563563] [2023-04-03 07:34:18,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:34:18,864 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 07:34:18,864 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 07:34:18,866 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) [2023-04-03 07:34:18,869 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-04-03 07:34:19,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:34:19,882 INFO L262 TraceCheckSpWp]: Trace formula consists of 5175 conjuncts, 3 conjunts are in the unsatisfiable core [2023-04-03 07:34:19,897 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-03 07:34:19,969 INFO L134 CoverageAnalysis]: Checked inductivity of 697 backedges. 180 proven. 1 refuted. 0 times theorem prover too weak. 516 trivial. 0 not checked. [2023-04-03 07:34:19,969 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-03 07:34:20,386 INFO L134 CoverageAnalysis]: Checked inductivity of 697 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 693 trivial. 0 not checked. [2023-04-03 07:34:20,387 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [681563563] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-03 07:34:20,387 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2141975825] [2023-04-03 07:34:20,429 INFO L159 IcfgInterpreter]: Started Sifa with 204 locations of interest [2023-04-03 07:34:20,430 INFO L166 IcfgInterpreter]: Building call graph [2023-04-03 07:34:20,433 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-04-03 07:34:20,438 INFO L176 IcfgInterpreter]: Starting interpretation [2023-04-03 07:34:20,438 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-04-03 07:35:02,752 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 313 for LOIs [2023-04-03 07:35:21,646 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 338 for LOIs