/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-ethernet-sun-sunhme.cil.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-03 07:30:44,793 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-03 07:30:44,794 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-03 07:30:44,824 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-03 07:30:44,824 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-03 07:30:44,826 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-03 07:30:44,829 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-03 07:30:44,830 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-03 07:30:44,831 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-03 07:30:44,835 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-03 07:30:44,837 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-03 07:30:44,838 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-03 07:30:44,838 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-03 07:30:44,840 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-03 07:30:44,840 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-03 07:30:44,842 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-03 07:30:44,842 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-03 07:30:44,843 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-03 07:30:44,844 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-03 07:30:44,848 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-03 07:30:44,849 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-03 07:30:44,850 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-03 07:30:44,851 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-03 07:30:44,851 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-03 07:30:44,857 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-03 07:30:44,858 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-03 07:30:44,858 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-03 07:30:44,859 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-03 07:30:44,859 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-03 07:30:44,859 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-03 07:30:44,859 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-03 07:30:44,860 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-03 07:30:44,861 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-03 07:30:44,861 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-03 07:30:44,862 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-03 07:30:44,862 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-03 07:30:44,862 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-03 07:30:44,863 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-03 07:30:44,863 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-03 07:30:44,863 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-03 07:30:44,864 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-03 07:30:44,865 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 07:30:44,889 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-03 07:30:44,890 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-03 07:30:44,890 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-03 07:30:44,890 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-03 07:30:44,891 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-03 07:30:44,891 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-03 07:30:44,891 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-03 07:30:44,891 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-03 07:30:44,891 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-03 07:30:44,891 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-03 07:30:44,892 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-03 07:30:44,892 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-03 07:30:44,892 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-03 07:30:44,892 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-03 07:30:44,892 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-03 07:30:44,892 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-03 07:30:44,892 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-03 07:30:44,892 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-03 07:30:44,893 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-03 07:30:44,893 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-03 07:30:44,893 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-03 07:30:44,893 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-03 07:30:44,893 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-03 07:30:44,893 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-03 07:30:44,893 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-03 07:30:44,894 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-03 07:30:44,894 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-03 07:30:44,894 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-03 07:30:44,894 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-03 07:30:44,894 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-03 07:30:44,894 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-03 07:30:44,894 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-03 07:30:44,894 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 07:30:44,895 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-03 07:30:44,895 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-03 07:30:44,895 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-03 07:30:44,895 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-03 07:30:44,895 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-03 07:30:44,895 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-03 07:30:44,895 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-03 07:30:44,895 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-03 07:30:44,895 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-03 07:30:45,084 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-03 07:30:45,101 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-03 07:30:45,103 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-03 07:30:45,103 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-03 07:30:45,104 INFO L275 PluginConnector]: CDTParser initialized [2023-04-03 07:30:45,105 INFO L432 ainManager$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-ethernet-sun-sunhme.cil.i [2023-04-03 07:30:46,134 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-03 07:30:46,576 INFO L351 CDTParser]: Found 1 translation units. [2023-04-03 07:30:46,576 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-ethernet-sun-sunhme.cil.i [2023-04-03 07:30:46,620 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3270750bd/e6f582807f9b4274b4b9f7e84dc0d9bf/FLAGafd9fcae1 [2023-04-03 07:30:46,637 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3270750bd/e6f582807f9b4274b4b9f7e84dc0d9bf [2023-04-03 07:30:46,639 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-03 07:30:46,640 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-03 07:30:46,643 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-03 07:30:46,643 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-03 07:30:46,645 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-03 07:30:46,645 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 07:30:46" (1/1) ... [2023-04-03 07:30:46,646 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@542fa959 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 07:30:46, skipping insertion in model container [2023-04-03 07:30:46,646 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 07:30:46" (1/1) ... [2023-04-03 07:30:46,651 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-03 07:30:46,761 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-03 07:30:48,621 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sun-sunhme.cil.i[347312,347325] [2023-04-03 07:30:48,624 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-ethernet-sun-sunhme.cil.i[347481,347494] [2023-04-03 07:30:48,625 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-ethernet-sun-sunhme.cil.i[347648,347661] [2023-04-03 07:30:48,625 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-ethernet-sun-sunhme.cil.i[347816,347829] [2023-04-03 07:30:48,648 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 07:30:48,684 INFO L203 MainTranslator]: Completed pre-run [2023-04-03 07:30:49,002 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-ethernet-sun-sunhme.cil.i[347312,347325] [2023-04-03 07:30:49,003 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-ethernet-sun-sunhme.cil.i[347481,347494] [2023-04-03 07:30:49,003 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-ethernet-sun-sunhme.cil.i[347648,347661] [2023-04-03 07:30:49,004 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-ethernet-sun-sunhme.cil.i[347816,347829] [2023-04-03 07:30:49,009 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 07:30:49,102 WARN L667 CHandler]: The function strncmp is called, but not defined or handled by StandardFunctionHandler. [2023-04-03 07:30:49,102 WARN L667 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-04-03 07:30:49,107 INFO L208 MainTranslator]: Completed translation [2023-04-03 07:30:49,107 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 07:30:49 WrapperNode [2023-04-03 07:30:49,107 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-03 07:30:49,108 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-03 07:30:49,108 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-03 07:30:49,108 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-03 07:30:49,116 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 07:30:49" (1/1) ... [2023-04-03 07:30:49,117 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 07:30:49" (1/1) ... [2023-04-03 07:30:49,281 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 07:30:49" (1/1) ... [2023-04-03 07:30:49,282 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 07:30:49" (1/1) ... [2023-04-03 07:30:49,410 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 07:30:49" (1/1) ... [2023-04-03 07:30:49,443 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 07:30:49" (1/1) ... [2023-04-03 07:30:49,471 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 07:30:49" (1/1) ... [2023-04-03 07:30:49,492 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 07:30:49" (1/1) ... [2023-04-03 07:30:49,519 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-03 07:30:49,520 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-03 07:30:49,520 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-03 07:30:49,520 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-03 07:30:49,521 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 07:30:49" (1/1) ... [2023-04-03 07:30:49,526 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 07:30:49,532 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 07:30:49,543 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 07:30:49,553 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 07:30:49,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-03 07:30:49,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-03 07:30:49,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2023-04-03 07:30:49,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2023-04-03 07:30:49,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2023-04-03 07:30:49,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~gfp_t~0~X~$Pointer$~TO~$Pointer$ [2023-04-03 07:30:49,575 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 07:30:49,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2023-04-03 07:30:49,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-04-03 07:30:49,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-04-03 07:30:49,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-04-03 07:30:49,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2023-04-03 07:30:49,576 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-04-03 07:30:49,576 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-04-03 07:30:49,576 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2023-04-03 07:30:49,576 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-04-03 07:30:49,576 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2023-04-03 07:30:49,576 INFO L138 BoogieDeclarations]: Found implementation of procedure __le32_to_cpup [2023-04-03 07:30:49,576 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2023-04-03 07:30:49,576 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2023-04-03 07:30:49,577 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-04-03 07:30:49,577 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-04-03 07:30:49,577 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2023-04-03 07:30:49,577 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-04-03 07:30:49,577 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2023-04-03 07:30:49,577 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2023-04-03 07:30:49,577 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2023-04-03 07:30:49,577 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2023-04-03 07:30:49,577 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2023-04-03 07:30:49,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2023-04-03 07:30:49,577 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2023-04-03 07:30:49,577 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2023-04-03 07:30:49,577 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2023-04-03 07:30:49,577 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2023-04-03 07:30:49,578 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-04-03 07:30:49,578 INFO L138 BoogieDeclarations]: Found implementation of procedure csum_unfold [2023-04-03 07:30:49,578 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-04-03 07:30:49,578 INFO L138 BoogieDeclarations]: Found implementation of procedure is_device_dma_capable [2023-04-03 07:30:49,578 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-04-03 07:30:49,578 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2023-04-03 07:30:49,578 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2023-04-03 07:30:49,578 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2023-04-03 07:30:49,578 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2023-04-03 07:30:49,578 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_sync_single_for_cpu [2023-04-03 07:30:49,578 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_sync_single_for_device [2023-04-03 07:30:49,578 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_coherent_mask [2023-04-03 07:30:49,578 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_coherent_gfp_flags [2023-04-03 07:30:49,579 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2023-04-03 07:30:49,579 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2023-04-03 07:30:49,579 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2023-04-03 07:30:49,579 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2023-04-03 07:30:49,579 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2023-04-03 07:30:49,579 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2023-04-03 07:30:49,579 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2023-04-03 07:30:49,579 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2023-04-03 07:30:49,579 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_checksum_start_offset [2023-04-03 07:30:49,579 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2023-04-03 07:30:49,579 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_page [2023-04-03 07:30:49,579 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_dma_map [2023-04-03 07:30:49,579 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_from_linear_data [2023-04-03 07:30:49,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2023-04-03 07:30:49,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed [2023-04-03 07:30:49,580 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-04-03 07:30:49,580 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-04-03 07:30:49,580 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2023-04-03 07:30:49,580 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2023-04-03 07:30:49,580 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-04-03 07:30:49,580 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2023-04-03 07:30:49,580 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-04-03 07:30:49,580 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_queue_stopped [2023-04-03 07:30:49,580 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2023-04-03 07:30:49,580 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2023-04-03 07:30:49,580 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2023-04-03 07:30:49,580 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-04-03 07:30:49,580 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2023-04-03 07:30:49,580 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2023-04-03 07:30:49,581 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2023-04-03 07:30:49,581 INFO L138 BoogieDeclarations]: Found implementation of procedure hme_read_desc32 [2023-04-03 07:30:49,581 INFO L138 BoogieDeclarations]: Found implementation of procedure BB_PUT_BIT [2023-04-03 07:30:49,581 INFO L138 BoogieDeclarations]: Found implementation of procedure BB_GET_BIT2 [2023-04-03 07:30:49,581 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_bb_read [2023-04-03 07:30:49,581 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_bb_write [2023-04-03 07:30:49,581 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_tcvr_read [2023-04-03 07:30:49,581 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_tcvr_write [2023-04-03 07:30:49,581 INFO L138 BoogieDeclarations]: Found implementation of procedure try_next_permutation [2023-04-03 07:30:49,581 INFO L138 BoogieDeclarations]: Found implementation of procedure display_link_mode [2023-04-03 07:30:49,581 INFO L138 BoogieDeclarations]: Found implementation of procedure display_forced_link_mode [2023-04-03 07:30:49,581 INFO L138 BoogieDeclarations]: Found implementation of procedure set_happy_link_modes [2023-04-03 07:30:49,581 INFO L138 BoogieDeclarations]: Found implementation of procedure is_lucent_phy [2023-04-03 07:30:49,581 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_timer [2023-04-03 07:30:49,581 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_tx_reset [2023-04-03 07:30:49,582 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_rx_reset [2023-04-03 07:30:49,582 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_stop [2023-04-03 07:30:49,582 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_get_counters [2023-04-03 07:30:49,582 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_poll_stop [2023-04-03 07:30:49,582 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_tcvr_reset [2023-04-03 07:30:49,582 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_transceiver_check [2023-04-03 07:30:49,582 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_clean_rings [2023-04-03 07:30:49,582 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_init_rings [2023-04-03 07:30:49,583 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_begin_auto_negotiation [2023-04-03 07:30:49,583 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_init [2023-04-03 07:30:49,583 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_set_initial_advertisement [2023-04-03 07:30:49,583 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_is_not_so_happy [2023-04-03 07:30:49,583 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_mif_interrupt [2023-04-03 07:30:49,583 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_tx [2023-04-03 07:30:49,583 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_rx [2023-04-03 07:30:49,583 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_interrupt [2023-04-03 07:30:49,583 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_open [2023-04-03 07:30:49,583 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_close [2023-04-03 07:30:49,584 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_tx_timeout [2023-04-03 07:30:49,584 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_start_xmit [2023-04-03 07:30:49,584 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_get_stats [2023-04-03 07:30:49,584 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_set_multicast [2023-04-03 07:30:49,584 INFO L138 BoogieDeclarations]: Found implementation of procedure hme_get_settings [2023-04-03 07:30:49,586 INFO L138 BoogieDeclarations]: Found implementation of procedure hme_set_settings [2023-04-03 07:30:49,587 INFO L138 BoogieDeclarations]: Found implementation of procedure hme_get_drvinfo [2023-04-03 07:30:49,591 INFO L138 BoogieDeclarations]: Found implementation of procedure hme_get_link [2023-04-03 07:30:49,591 INFO L138 BoogieDeclarations]: Found implementation of procedure quattro_pci_find [2023-04-03 07:30:49,591 INFO L138 BoogieDeclarations]: Found implementation of procedure is_quattro_p [2023-04-03 07:30:49,591 INFO L138 BoogieDeclarations]: Found implementation of procedure find_eth_addr_in_vpd [2023-04-03 07:30:49,591 INFO L138 BoogieDeclarations]: Found implementation of procedure get_hme_mac_nonsparc [2023-04-03 07:30:49,591 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_pci_probe [2023-04-03 07:30:49,591 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_pci_remove [2023-04-03 07:30:49,591 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_pci_init [2023-04-03 07:30:49,591 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_pci_exit [2023-04-03 07:30:49,591 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_probe [2023-04-03 07:30:49,591 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_exit [2023-04-03 07:30:49,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_happy_meal_exit_14_2 [2023-04-03 07:30:49,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_init_happy_meal_probe_14_9 [2023-04-03 07:30:49,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___pci_register_driver [2023-04-03 07:30:49,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_etherdev_mqs [2023-04-03 07:30:49,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_allocate_external_0 [2023-04-03 07:30:49,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer [2023-04-03 07:30:49,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_deregister_11_1 [2023-04-03 07:30:49,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_deregister_12_1 [2023-04-03 07:30:49,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_deregister_dummy_factory_14_14_4 [2023-04-03 07:30:49,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_instance_deregister_6_1 [2023-04-03 07:30:49,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_instance_register_4_3 [2023-04-03 07:30:49,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_irq_deregister_7_1 [2023-04-03 07:30:49,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_irq_register_10_2 [2023-04-03 07:30:49,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_13_2 [2023-04-03 07:30:49,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_9_4 [2023-04-03 07:30:49,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_dummy_factory_14_14_5 [2023-04-03 07:30:49,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_12 [2023-04-03 07:30:49,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_13 [2023-04-03 07:30:49,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_14 [2023-04-03 07:30:49,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_15 [2023-04-03 07:30:49,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_16 [2023-04-03 07:30:49,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_17 [2023-04-03 07:30:49,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_18 [2023-04-03 07:30:49,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_3 [2023-04-03 07:30:49,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_7 [2023-04-03 07:30:49,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_8 [2023-04-03 07:30:49,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_9 [2023-04-03 07:30:49,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_entry_EMGentry_14 [2023-04-03 07:30:49,593 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-03 07:30:49,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2023-04-03 07:30:49,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-04-03 07:30:49,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_external_data [2023-04-03 07:30:49,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_instance_handler_0_5 [2023-04-03 07:30:49,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_instance_thread_0_3 [2023-04-03 07:30:49,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_0 [2023-04-03 07:30:49,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_net_dummy_resourceless_instance_1 [2023-04-03 07:30:49,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_instance_probe_2_17 [2023-04-03 07:30:49,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_instance_release_2_2 [2023-04-03 07:30:49,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_instance_resume_2_5 [2023-04-03 07:30:49,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_instance_resume_early_2_6 [2023-04-03 07:30:49,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_instance_shutdown_2_3 [2023-04-03 07:30:49,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_instance_suspend_2_8 [2023-04-03 07:30:49,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_instance_suspend_late_2_7 [2023-04-03 07:30:49,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_pci_instance_2 [2023-04-03 07:30:49,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_unregister_driver [2023-04-03 07:30:49,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev [2023-04-03 07:30:49,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_open_9_6 [2023-04-03 07:30:49,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2023-04-03 07:30:49,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-04-03 07:30:49,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-04-03 07:30:49,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_1 [2023-04-03 07:30:49,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_6 [2023-04-03 07:30:49,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_1 [2023-04-03 07:30:49,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_5 [2023-04-03 07:30:49,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_2_11 [2023-04-03 07:30:49,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_2_20 [2023-04-03 07:30:49,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_3_1 [2023-04-03 07:30:49,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_3_3 [2023-04-03 07:30:49,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_4_1 [2023-04-03 07:30:49,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_4_4 [2023-04-03 07:30:49,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_dummy_factory_4 [2023-04-03 07:30:49,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_instance_callback_3_2 [2023-04-03 07:30:49,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_timer_instance_3 [2023-04-03 07:30:49,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2023-04-03 07:30:49,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_stop_11_2 [2023-04-03 07:30:49,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata_59 [2023-04-03 07:30:49,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata_60 [2023-04-03 07:30:49,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_63 [2023-04-03 07:30:49,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_64 [2023-04-03 07:30:49,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_65 [2023-04-03 07:30:49,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_66 [2023-04-03 07:30:49,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_67 [2023-04-03 07:30:49,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_68 [2023-04-03 07:30:49,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_71 [2023-04-03 07:30:49,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_73 [2023-04-03 07:30:49,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_75 [2023-04-03 07:30:49,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_88 [2023-04-03 07:30:49,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_etherdev_mqs_92 [2023-04-03 07:30:49,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_95 [2023-04-03 07:30:49,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_96 [2023-04-03 07:30:49,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_97 [2023-04-03 07:30:49,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_98 [2023-04-03 07:30:49,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___pci_register_driver_99 [2023-04-03 07:30:49,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_unregister_driver_100 [2023-04-03 07:30:49,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2023-04-03 07:30:49,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-04-03 07:30:49,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spi_alloc_master [2023-04-03 07:30:49,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-04-03 07:30:49,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2023-04-03 07:30:49,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2023-04-03 07:30:49,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2023-04-03 07:30:49,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-04-03 07:30:49,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_init [2023-04-03 07:30:49,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2023-04-03 07:30:49,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-04-03 07:30:49,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kzalloc [2023-04-03 07:30:49,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-04-03 07:30:49,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-04-03 07:30:49,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-04-03 07:30:49,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2023-04-03 07:30:49,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-04-03 07:30:49,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc [2023-04-03 07:30:49,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-04-03 07:30:49,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-04-03 07:30:49,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-04-03 07:30:49,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xzalloc [2023-04-03 07:30:49,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-04-03 07:30:49,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2023-04-03 07:30:49,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_negative [2023-04-03 07:30:49,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_nonpositive [2023-04-03 07:30:49,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_create [2023-04-03 07:30:49,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_create_N [2023-04-03 07:30:49,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_join [2023-04-03 07:30:49,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_join_N [2023-04-03 07:30:49,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock__xmit_lock_of_netdev_queue [2023-04-03 07:30:49,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock__xmit_lock_of_netdev_queue [2023-04-03 07:30:49,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock__xmit_lock_of_netdev_queue [2023-04-03 07:30:49,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait__xmit_lock_of_netdev_queue [2023-04-03 07:30:49,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked__xmit_lock_of_netdev_queue [2023-04-03 07:30:49,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock__xmit_lock_of_netdev_queue [2023-04-03 07:30:49,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended__xmit_lock_of_netdev_queue [2023-04-03 07:30:49,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock__xmit_lock_of_netdev_queue [2023-04-03 07:30:49,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_addr_list_lock_of_net_device [2023-04-03 07:30:49,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_addr_list_lock_of_net_device [2023-04-03 07:30:49,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_addr_list_lock_of_net_device [2023-04-03 07:30:49,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_addr_list_lock_of_net_device [2023-04-03 07:30:49,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_addr_list_lock_of_net_device [2023-04-03 07:30:49,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_addr_list_lock_of_net_device [2023-04-03 07:30:49,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_addr_list_lock_of_net_device [2023-04-03 07:30:49,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_addr_list_lock_of_net_device [2023-04-03 07:30:49,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_alloc_lock_of_task_struct [2023-04-03 07:30:49,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_alloc_lock_of_task_struct [2023-04-03 07:30:49,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_alloc_lock_of_task_struct [2023-04-03 07:30:49,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_alloc_lock_of_task_struct [2023-04-03 07:30:49,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_alloc_lock_of_task_struct [2023-04-03 07:30:49,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_alloc_lock_of_task_struct [2023-04-03 07:30:49,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_alloc_lock_of_task_struct [2023-04-03 07:30:49,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_alloc_lock_of_task_struct [2023-04-03 07:30:49,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_dma_spin_lock [2023-04-03 07:30:49,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_dma_spin_lock [2023-04-03 07:30:49,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_dma_spin_lock [2023-04-03 07:30:49,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_dma_spin_lock [2023-04-03 07:30:49,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_dma_spin_lock [2023-04-03 07:30:49,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_dma_spin_lock [2023-04-03 07:30:49,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_dma_spin_lock [2023-04-03 07:30:49,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_dma_spin_lock [2023-04-03 07:30:49,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_happy_lock_of_happy_meal [2023-04-03 07:30:49,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_happy_lock_of_happy_meal [2023-04-03 07:30:49,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_happy_lock_of_happy_meal [2023-04-03 07:30:49,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_happy_lock_of_happy_meal [2023-04-03 07:30:49,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_happy_lock_of_happy_meal [2023-04-03 07:30:49,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_happy_lock_of_happy_meal [2023-04-03 07:30:49,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_happy_lock_of_happy_meal [2023-04-03 07:30:49,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_happy_lock_of_happy_meal [2023-04-03 07:30:49,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_i_lock_of_inode [2023-04-03 07:30:49,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_i_lock_of_inode [2023-04-03 07:30:49,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_i_lock_of_inode [2023-04-03 07:30:49,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_i_lock_of_inode [2023-04-03 07:30:49,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_i_lock_of_inode [2023-04-03 07:30:49,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_i_lock_of_inode [2023-04-03 07:30:49,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_i_lock_of_inode [2023-04-03 07:30:49,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_i_lock_of_inode [2023-04-03 07:30:49,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock [2023-04-03 07:30:49,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock [2023-04-03 07:30:49,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_lock [2023-04-03 07:30:49,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_lock [2023-04-03 07:30:49,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_lock [2023-04-03 07:30:49,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_lock [2023-04-03 07:30:49,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_lock [2023-04-03 07:30:49,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_lock [2023-04-03 07:30:49,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_NOT_ARG_SIGN [2023-04-03 07:30:49,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_NOT_ARG_SIGN [2023-04-03 07:30:49,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_lock_of_NOT_ARG_SIGN [2023-04-03 07:30:49,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_lock_of_NOT_ARG_SIGN [2023-04-03 07:30:49,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_lock_of_NOT_ARG_SIGN [2023-04-03 07:30:49,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_lock_of_NOT_ARG_SIGN [2023-04-03 07:30:49,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_lock_of_NOT_ARG_SIGN [2023-04-03 07:30:49,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_lock_of_NOT_ARG_SIGN [2023-04-03 07:30:49,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lru_lock_of_netns_frags [2023-04-03 07:30:49,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lru_lock_of_netns_frags [2023-04-03 07:30:49,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_lru_lock_of_netns_frags [2023-04-03 07:30:49,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_lru_lock_of_netns_frags [2023-04-03 07:30:49,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_lru_lock_of_netns_frags [2023-04-03 07:30:49,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_lru_lock_of_netns_frags [2023-04-03 07:30:49,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_lru_lock_of_netns_frags [2023-04-03 07:30:49,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_lru_lock_of_netns_frags [2023-04-03 07:30:49,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_node_size_lock_of_pglist_data [2023-04-03 07:30:49,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_node_size_lock_of_pglist_data [2023-04-03 07:30:49,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_node_size_lock_of_pglist_data [2023-04-03 07:30:49,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_node_size_lock_of_pglist_data [2023-04-03 07:30:49,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_node_size_lock_of_pglist_data [2023-04-03 07:30:49,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_node_size_lock_of_pglist_data [2023-04-03 07:30:49,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_node_size_lock_of_pglist_data [2023-04-03 07:30:49,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_node_size_lock_of_pglist_data [2023-04-03 07:30:49,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_ptl [2023-04-03 07:30:49,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_ptl [2023-04-03 07:30:49,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_ptl [2023-04-03 07:30:49,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_ptl [2023-04-03 07:30:49,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_ptl [2023-04-03 07:30:49,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_ptl [2023-04-03 07:30:49,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_ptl [2023-04-03 07:30:49,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_ptl [2023-04-03 07:30:49,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_siglock_of_sighand_struct [2023-04-03 07:30:49,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_siglock_of_sighand_struct [2023-04-03 07:30:49,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_siglock_of_sighand_struct [2023-04-03 07:30:49,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_siglock_of_sighand_struct [2023-04-03 07:30:49,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_siglock_of_sighand_struct [2023-04-03 07:30:49,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_siglock_of_sighand_struct [2023-04-03 07:30:49,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_siglock_of_sighand_struct [2023-04-03 07:30:49,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_siglock_of_sighand_struct [2023-04-03 07:30:49,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_tx_global_lock_of_net_device [2023-04-03 07:30:49,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_tx_global_lock_of_net_device [2023-04-03 07:30:49,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_tx_global_lock_of_net_device [2023-04-03 07:30:49,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_tx_global_lock_of_net_device [2023-04-03 07:30:49,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_tx_global_lock_of_net_device [2023-04-03 07:30:49,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_tx_global_lock_of_net_device [2023-04-03 07:30:49,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_tx_global_lock_of_net_device [2023-04-03 07:30:49,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_tx_global_lock_of_net_device [2023-04-03 07:30:49,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-04-03 07:30:49,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2023-04-03 07:30:49,607 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-03 07:30:49,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-04-03 07:30:49,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2023-04-03 07:30:49,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-04-03 07:30:49,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-04-03 07:30:49,607 INFO L138 BoogieDeclarations]: Found implementation of procedure __alloc_skb [2023-04-03 07:30:49,607 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-04-03 07:30:49,607 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_any [2023-04-03 07:30:49,607 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_irq [2023-04-03 07:30:49,607 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2023-04-03 07:30:49,608 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2023-04-03 07:30:49,608 INFO L138 BoogieDeclarations]: Found implementation of procedure __pci_register_driver [2023-04-03 07:30:49,608 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-04-03 07:30:49,608 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-04-03 07:30:49,608 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2023-04-03 07:30:49,608 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irq [2023-04-03 07:30:49,608 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2023-04-03 07:30:49,608 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irq [2023-04-03 07:30:49,608 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2023-04-03 07:30:49,608 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_etherdev_mqs [2023-04-03 07:30:49,608 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2023-04-03 07:30:49,608 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_alloc_coherent [2023-04-03 07:30:49,608 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_free_coherent [2023-04-03 07:30:49,608 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2023-04-03 07:30:49,608 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_sync_single_for_cpu [2023-04-03 07:30:49,608 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_sync_single_for_device [2023-04-03 07:30:49,608 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2023-04-03 07:30:49,608 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2023-04-03 07:30:49,609 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2023-04-03 07:30:49,609 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2023-04-03 07:30:49,609 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2023-04-03 07:30:49,609 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-04-03 07:30:49,609 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-04-03 07:30:49,609 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-04-03 07:30:49,609 INFO L138 BoogieDeclarations]: Found implementation of procedure get_random_bytes [2023-04-03 07:30:49,609 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2023-04-03 07:30:49,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap_nocache [2023-04-03 07:30:49,609 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2023-04-03 07:30:49,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2023-04-03 07:30:49,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2023-04-03 07:30:49,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-04-03 07:30:49,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2023-04-03 07:30:49,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2023-04-03 07:30:49,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_register_netdev [2023-04-03 07:30:49,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-04-03 07:30:49,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-04-03 07:30:49,610 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2023-04-03 07:30:49,610 INFO L138 BoogieDeclarations]: Found implementation of procedure netpoll_trap [2023-04-03 07:30:49,610 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2023-04-03 07:30:49,610 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_rom [2023-04-03 07:30:49,610 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-04-03 07:30:49,610 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_request_regions [2023-04-03 07:30:49,610 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2023-04-03 07:30:49,610 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_rom [2023-04-03 07:30:49,610 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2023-04-03 07:30:49,610 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-04-03 07:30:49,610 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2023-04-03 07:30:49,610 INFO L138 BoogieDeclarations]: Found implementation of procedure request_threaded_irq [2023-04-03 07:30:49,610 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_strtoul [2023-04-03 07:30:49,610 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2023-04-03 07:30:49,610 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2023-04-03 07:30:49,610 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-04-03 07:30:49,610 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2023-04-03 07:30:49,610 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-04-03 07:30:49,611 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-04-03 07:30:49,611 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-04-03 07:30:49,611 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-04-03 07:30:49,611 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-04-03 07:30:49,611 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2023-04-03 07:30:49,611 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-04-03 07:30:49,611 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2023-04-03 07:30:49,611 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-04-03 07:30:49,611 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-04-03 07:30:49,611 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-04-03 07:30:49,611 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2023-04-03 07:30:49,611 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-04-03 07:30:49,611 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-03 07:30:49,611 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2023-04-03 07:30:49,611 INFO L130 BoogieDeclarations]: Found specification of procedure __le32_to_cpup [2023-04-03 07:30:49,611 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-04-03 07:30:49,611 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtoul [2023-04-03 07:30:49,612 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-04-03 07:30:49,612 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-04-03 07:30:49,612 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2023-04-03 07:30:49,612 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2023-04-03 07:30:49,612 INFO L130 BoogieDeclarations]: Found specification of procedure strcpy [2023-04-03 07:30:49,612 INFO L130 BoogieDeclarations]: Found specification of procedure strcmp [2023-04-03 07:30:49,612 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-04-03 07:30:49,612 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2023-04-03 07:30:49,612 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-04-03 07:30:49,612 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2023-04-03 07:30:49,612 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-03 07:30:49,612 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2023-04-03 07:30:49,612 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_happy_lock_of_happy_meal [2023-04-03 07:30:49,612 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_happy_lock_of_happy_meal [2023-04-03 07:30:49,612 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2023-04-03 07:30:49,612 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_init [2023-04-03 07:30:49,612 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2023-04-03 07:30:49,612 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2023-04-03 07:30:49,612 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-04-03 07:30:49,613 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_register_netdev [2023-04-03 07:30:49,613 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-04-03 07:30:49,613 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-04-03 07:30:49,613 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-04-03 07:30:49,613 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-04-03 07:30:49,613 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-04-03 07:30:49,613 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-04-03 07:30:49,613 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-04-03 07:30:49,613 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-04-03 07:30:49,613 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-04-03 07:30:49,613 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2023-04-03 07:30:49,613 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irq [2023-04-03 07:30:49,613 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2023-04-03 07:30:49,613 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irq [2023-04-03 07:30:49,613 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-04-03 07:30:49,613 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-04-03 07:30:49,613 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_66 [2023-04-03 07:30:49,613 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2023-04-03 07:30:49,613 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_63 [2023-04-03 07:30:49,614 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-04-03 07:30:49,614 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_67 [2023-04-03 07:30:49,614 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2023-04-03 07:30:49,614 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_64 [2023-04-03 07:30:49,614 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2023-04-03 07:30:49,614 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2023-04-03 07:30:49,614 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_65 [2023-04-03 07:30:49,614 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_73 [2023-04-03 07:30:49,614 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_88 [2023-04-03 07:30:49,614 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2023-04-03 07:30:49,614 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2023-04-03 07:30:49,614 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2023-04-03 07:30:49,614 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2023-04-03 07:30:49,614 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2023-04-03 07:30:49,614 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2023-04-03 07:30:49,614 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2023-04-03 07:30:49,614 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2023-04-03 07:30:49,614 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2023-04-03 07:30:49,614 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata_59 [2023-04-03 07:30:49,615 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata_60 [2023-04-03 07:30:49,615 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-04-03 07:30:49,615 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2023-04-03 07:30:49,615 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2023-04-03 07:30:49,615 INFO L130 BoogieDeclarations]: Found specification of procedure get_random_bytes [2023-04-03 07:30:49,615 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-04-03 07:30:49,615 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-04-03 07:30:49,615 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2023-04-03 07:30:49,615 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-04-03 07:30:49,615 INFO L130 BoogieDeclarations]: Found specification of procedure csum_unfold [2023-04-03 07:30:49,615 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-04-03 07:30:49,615 INFO L130 BoogieDeclarations]: Found specification of procedure is_device_dma_capable [2023-04-03 07:30:49,615 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2023-04-03 07:30:49,615 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2023-04-03 07:30:49,615 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_alloc_coherent [2023-04-03 07:30:49,615 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_free_coherent [2023-04-03 07:30:49,615 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_sync_single_for_cpu [2023-04-03 07:30:49,615 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_sync_single_for_device [2023-04-03 07:30:49,618 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-04-03 07:30:49,618 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2023-04-03 07:30:49,618 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 07:30:49,618 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2023-04-03 07:30:49,619 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 07:30:49,619 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2023-04-03 07:30:49,619 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2023-04-03 07:30:49,619 INFO L130 BoogieDeclarations]: Found specification of procedure dma_sync_single_for_cpu [2023-04-03 07:30:49,619 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2023-04-03 07:30:49,619 INFO L130 BoogieDeclarations]: Found specification of procedure dma_sync_single_for_device [2023-04-03 07:30:49,619 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_coherent_mask [2023-04-03 07:30:49,619 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_coherent_gfp_flags [2023-04-03 07:30:49,619 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2023-04-03 07:30:49,619 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~gfp_t~0~X~$Pointer$~TO~$Pointer$ [2023-04-03 07:30:49,619 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2023-04-03 07:30:49,620 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-03 07:30:49,620 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 07:30:49,620 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2023-04-03 07:30:49,620 INFO L130 BoogieDeclarations]: Found specification of procedure __alloc_skb [2023-04-03 07:30:49,620 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2023-04-03 07:30:49,620 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2023-04-03 07:30:49,620 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2023-04-03 07:30:49,620 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2023-04-03 07:30:49,620 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2023-04-03 07:30:49,620 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2023-04-03 07:30:49,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-03 07:30:49,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-03 07:30:49,620 INFO L130 BoogieDeclarations]: Found specification of procedure skb_checksum_start_offset [2023-04-03 07:30:49,620 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2023-04-03 07:30:49,620 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2023-04-03 07:30:49,620 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2023-04-03 07:30:49,620 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_page [2023-04-03 07:30:49,620 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_dma_map [2023-04-03 07:30:49,621 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_from_linear_data [2023-04-03 07:30:49,621 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-04-03 07:30:49,621 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2023-04-03 07:30:49,621 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed [2023-04-03 07:30:49,621 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-04-03 07:30:49,621 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-04-03 07:30:49,621 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-04-03 07:30:49,621 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_96 [2023-04-03 07:30:49,621 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_98 [2023-04-03 07:30:49,621 INFO L130 BoogieDeclarations]: Found specification of procedure netpoll_trap [2023-04-03 07:30:49,621 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2023-04-03 07:30:49,621 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2023-04-03 07:30:49,621 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2023-04-03 07:30:49,621 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-04-03 07:30:49,621 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2023-04-03 07:30:49,621 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-04-03 07:30:49,621 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_queue_stopped [2023-04-03 07:30:49,621 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2023-04-03 07:30:49,622 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_irq [2023-04-03 07:30:49,622 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_any [2023-04-03 07:30:49,622 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2023-04-03 07:30:49,622 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2023-04-03 07:30:49,622 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2023-04-03 07:30:49,622 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2023-04-03 07:30:49,622 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_95 [2023-04-03 07:30:49,622 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2023-04-03 07:30:49,622 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_97 [2023-04-03 07:30:49,622 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2023-04-03 07:30:49,622 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2023-04-03 07:30:49,622 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_rom [2023-04-03 07:30:49,622 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_rom [2023-04-03 07:30:49,622 INFO L130 BoogieDeclarations]: Found specification of procedure pci_request_regions [2023-04-03 07:30:49,622 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-04-03 07:30:49,622 INFO L130 BoogieDeclarations]: Found specification of procedure __pci_register_driver [2023-04-03 07:30:49,622 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___pci_register_driver_99 [2023-04-03 07:30:49,622 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2023-04-03 07:30:49,623 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_unregister_driver_100 [2023-04-03 07:30:49,623 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-04-03 07:30:49,623 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2023-04-03 07:30:49,623 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2023-04-03 07:30:49,623 INFO L130 BoogieDeclarations]: Found specification of procedure request_threaded_irq [2023-04-03 07:30:49,623 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2023-04-03 07:30:49,623 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_68 [2023-04-03 07:30:49,623 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-04-03 07:30:49,623 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_71 [2023-04-03 07:30:49,623 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_75 [2023-04-03 07:30:49,623 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2023-04-03 07:30:49,623 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2023-04-03 07:30:49,623 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2023-04-03 07:30:49,623 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2023-04-03 07:30:49,623 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-04-03 07:30:49,623 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_etherdev_mqs [2023-04-03 07:30:49,623 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_etherdev_mqs_92 [2023-04-03 07:30:49,623 INFO L130 BoogieDeclarations]: Found specification of procedure hme_read_desc32 [2023-04-03 07:30:49,624 INFO L130 BoogieDeclarations]: Found specification of procedure BB_PUT_BIT [2023-04-03 07:30:49,624 INFO L130 BoogieDeclarations]: Found specification of procedure BB_GET_BIT2 [2023-04-03 07:30:49,624 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_bb_read [2023-04-03 07:30:49,624 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_bb_write [2023-04-03 07:30:49,624 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_tcvr_read [2023-04-03 07:30:49,624 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_tcvr_write [2023-04-03 07:30:49,624 INFO L130 BoogieDeclarations]: Found specification of procedure try_next_permutation [2023-04-03 07:30:49,624 INFO L130 BoogieDeclarations]: Found specification of procedure display_link_mode [2023-04-03 07:30:49,624 INFO L130 BoogieDeclarations]: Found specification of procedure display_forced_link_mode [2023-04-03 07:30:49,624 INFO L130 BoogieDeclarations]: Found specification of procedure set_happy_link_modes [2023-04-03 07:30:49,624 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_init [2023-04-03 07:30:49,624 INFO L130 BoogieDeclarations]: Found specification of procedure is_lucent_phy [2023-04-03 07:30:49,624 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_timer [2023-04-03 07:30:49,624 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_tx_reset [2023-04-03 07:30:49,624 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_rx_reset [2023-04-03 07:30:49,624 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_stop [2023-04-03 07:30:49,624 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_get_counters [2023-04-03 07:30:49,624 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_poll_stop [2023-04-03 07:30:49,625 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_tcvr_reset [2023-04-03 07:30:49,625 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_transceiver_check [2023-04-03 07:30:49,625 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_clean_rings [2023-04-03 07:30:49,625 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_init_rings [2023-04-03 07:30:49,625 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_begin_auto_negotiation [2023-04-03 07:30:49,625 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-04-03 07:30:49,625 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-03 07:30:49,625 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-04-03 07:30:49,625 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_set_initial_advertisement [2023-04-03 07:30:49,625 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_is_not_so_happy [2023-04-03 07:30:49,625 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_mif_interrupt [2023-04-03 07:30:49,625 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_tx [2023-04-03 07:30:49,625 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_rx [2023-04-03 07:30:49,625 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_interrupt [2023-04-03 07:30:49,625 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_open [2023-04-03 07:30:49,625 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_close [2023-04-03 07:30:49,625 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_tx_timeout [2023-04-03 07:30:49,625 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_start_xmit [2023-04-03 07:30:49,626 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_get_stats [2023-04-03 07:30:49,626 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_set_multicast [2023-04-03 07:30:49,626 INFO L130 BoogieDeclarations]: Found specification of procedure hme_get_settings [2023-04-03 07:30:49,626 INFO L130 BoogieDeclarations]: Found specification of procedure hme_set_settings [2023-04-03 07:30:49,626 INFO L130 BoogieDeclarations]: Found specification of procedure hme_get_drvinfo [2023-04-03 07:30:49,626 INFO L130 BoogieDeclarations]: Found specification of procedure hme_get_link [2023-04-03 07:30:49,626 INFO L130 BoogieDeclarations]: Found specification of procedure quattro_pci_find [2023-04-03 07:30:49,626 INFO L130 BoogieDeclarations]: Found specification of procedure is_quattro_p [2023-04-03 07:30:49,626 INFO L130 BoogieDeclarations]: Found specification of procedure find_eth_addr_in_vpd [2023-04-03 07:30:49,626 INFO L130 BoogieDeclarations]: Found specification of procedure get_hme_mac_nonsparc [2023-04-03 07:30:49,626 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_pci_probe [2023-04-03 07:30:49,626 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2023-04-03 07:30:49,626 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_pci_remove [2023-04-03 07:30:49,626 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_pci_init [2023-04-03 07:30:49,626 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_pci_exit [2023-04-03 07:30:49,626 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_probe [2023-04-03 07:30:49,626 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_exit [2023-04-03 07:30:49,626 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_happy_meal_exit_14_2 [2023-04-03 07:30:49,627 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_init_happy_meal_probe_14_9 [2023-04-03 07:30:49,627 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___pci_register_driver [2023-04-03 07:30:49,627 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_etherdev_mqs [2023-04-03 07:30:49,627 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_allocate_external_0 [2023-04-03 07:30:49,627 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer [2023-04-03 07:30:49,627 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_deregister_11_1 [2023-04-03 07:30:49,627 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_deregister_12_1 [2023-04-03 07:30:49,627 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_deregister_dummy_factory_14_14_4 [2023-04-03 07:30:49,627 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_instance_deregister_6_1 [2023-04-03 07:30:49,627 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_instance_register_4_3 [2023-04-03 07:30:49,627 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_irq_deregister_7_1 [2023-04-03 07:30:49,627 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_irq_register_10_2 [2023-04-03 07:30:49,627 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_13_2 [2023-04-03 07:30:49,627 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_9_4 [2023-04-03 07:30:49,627 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_dummy_factory_14_14_5 [2023-04-03 07:30:49,627 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_12 [2023-04-03 07:30:49,627 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_13 [2023-04-03 07:30:49,627 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_14 [2023-04-03 07:30:49,627 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_15 [2023-04-03 07:30:49,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_16 [2023-04-03 07:30:49,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_17 [2023-04-03 07:30:49,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_18 [2023-04-03 07:30:49,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_3 [2023-04-03 07:30:49,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_7 [2023-04-03 07:30:49,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_8 [2023-04-03 07:30:49,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_9 [2023-04-03 07:30:49,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_entry_EMGentry_14 [2023-04-03 07:30:49,628 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-03 07:30:49,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2023-04-03 07:30:49,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-04-03 07:30:49,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_external_data [2023-04-03 07:30:49,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_instance_handler_0_5 [2023-04-03 07:30:49,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_instance_thread_0_3 [2023-04-03 07:30:49,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_0 [2023-04-03 07:30:49,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_net_dummy_resourceless_instance_1 [2023-04-03 07:30:49,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_instance_probe_2_17 [2023-04-03 07:30:49,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_instance_release_2_2 [2023-04-03 07:30:49,629 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_instance_resume_2_5 [2023-04-03 07:30:49,629 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_instance_resume_early_2_6 [2023-04-03 07:30:49,629 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_instance_shutdown_2_3 [2023-04-03 07:30:49,629 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_instance_suspend_2_8 [2023-04-03 07:30:49,629 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_instance_suspend_late_2_7 [2023-04-03 07:30:49,629 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_pci_instance_2 [2023-04-03 07:30:49,629 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_unregister_driver [2023-04-03 07:30:49,629 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev [2023-04-03 07:30:49,629 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_open_9_6 [2023-04-03 07:30:49,629 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2023-04-03 07:30:49,629 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-04-03 07:30:49,629 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-04-03 07:30:49,629 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_1 [2023-04-03 07:30:49,629 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_6 [2023-04-03 07:30:49,629 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_1 [2023-04-03 07:30:49,629 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_5 [2023-04-03 07:30:49,629 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_2_11 [2023-04-03 07:30:49,630 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_2_20 [2023-04-03 07:30:49,630 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_3_1 [2023-04-03 07:30:49,630 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_3_3 [2023-04-03 07:30:49,630 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_4_1 [2023-04-03 07:30:49,630 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_4_4 [2023-04-03 07:30:49,630 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_dummy_factory_4 [2023-04-03 07:30:49,630 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_instance_callback_3_2 [2023-04-03 07:30:49,630 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_timer_instance_3 [2023-04-03 07:30:49,630 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2023-04-03 07:30:49,630 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_stop_11_2 [2023-04-03 07:30:49,630 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2023-04-03 07:30:49,630 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-04-03 07:30:49,630 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-04-03 07:30:49,630 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-04-03 07:30:49,630 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2023-04-03 07:30:49,630 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xzalloc [2023-04-03 07:30:49,630 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-04-03 07:30:49,630 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spi_alloc_master [2023-04-03 07:30:49,630 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-04-03 07:30:49,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2023-04-03 07:30:49,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2023-04-03 07:30:49,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2023-04-03 07:30:49,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-04-03 07:30:49,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-04-03 07:30:49,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2023-04-03 07:30:49,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kzalloc [2023-04-03 07:30:49,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2023-04-03 07:30:49,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2023-04-03 07:30:49,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2023-04-03 07:30:49,631 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-03 07:30:49,631 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2023-04-03 07:30:49,631 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-03 07:30:49,631 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-03 07:30:49,631 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-04-03 07:30:49,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2023-04-03 07:30:49,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_negative [2023-04-03 07:30:49,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_nonpositive [2023-04-03 07:30:49,632 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-03 07:30:49,632 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2023-04-03 07:30:49,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_create [2023-04-03 07:30:49,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_create_N [2023-04-03 07:30:49,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_join [2023-04-03 07:30:49,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_join_N [2023-04-03 07:30:49,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-04-03 07:30:49,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2023-04-03 07:30:49,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-04-03 07:30:49,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-04-03 07:30:49,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock__xmit_lock_of_netdev_queue [2023-04-03 07:30:49,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock__xmit_lock_of_netdev_queue [2023-04-03 07:30:49,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock__xmit_lock_of_netdev_queue [2023-04-03 07:30:49,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait__xmit_lock_of_netdev_queue [2023-04-03 07:30:49,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked__xmit_lock_of_netdev_queue [2023-04-03 07:30:49,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock__xmit_lock_of_netdev_queue [2023-04-03 07:30:49,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended__xmit_lock_of_netdev_queue [2023-04-03 07:30:49,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock__xmit_lock_of_netdev_queue [2023-04-03 07:30:49,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_addr_list_lock_of_net_device [2023-04-03 07:30:49,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_addr_list_lock_of_net_device [2023-04-03 07:30:49,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_addr_list_lock_of_net_device [2023-04-03 07:30:49,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_addr_list_lock_of_net_device [2023-04-03 07:30:49,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_addr_list_lock_of_net_device [2023-04-03 07:30:49,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_addr_list_lock_of_net_device [2023-04-03 07:30:49,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_addr_list_lock_of_net_device [2023-04-03 07:30:49,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_addr_list_lock_of_net_device [2023-04-03 07:30:49,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_alloc_lock_of_task_struct [2023-04-03 07:30:49,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_alloc_lock_of_task_struct [2023-04-03 07:30:49,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_alloc_lock_of_task_struct [2023-04-03 07:30:49,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_alloc_lock_of_task_struct [2023-04-03 07:30:49,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_alloc_lock_of_task_struct [2023-04-03 07:30:49,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_alloc_lock_of_task_struct [2023-04-03 07:30:49,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_alloc_lock_of_task_struct [2023-04-03 07:30:49,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_alloc_lock_of_task_struct [2023-04-03 07:30:49,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_dma_spin_lock [2023-04-03 07:30:49,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_dma_spin_lock [2023-04-03 07:30:49,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_dma_spin_lock [2023-04-03 07:30:49,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_dma_spin_lock [2023-04-03 07:30:49,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_dma_spin_lock [2023-04-03 07:30:49,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_dma_spin_lock [2023-04-03 07:30:49,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_dma_spin_lock [2023-04-03 07:30:49,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_dma_spin_lock [2023-04-03 07:30:49,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_happy_lock_of_happy_meal [2023-04-03 07:30:49,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_happy_lock_of_happy_meal [2023-04-03 07:30:49,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_happy_lock_of_happy_meal [2023-04-03 07:30:49,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_happy_lock_of_happy_meal [2023-04-03 07:30:49,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_happy_lock_of_happy_meal [2023-04-03 07:30:49,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_happy_lock_of_happy_meal [2023-04-03 07:30:49,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_i_lock_of_inode [2023-04-03 07:30:49,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_i_lock_of_inode [2023-04-03 07:30:49,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_i_lock_of_inode [2023-04-03 07:30:49,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_i_lock_of_inode [2023-04-03 07:30:49,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_i_lock_of_inode [2023-04-03 07:30:49,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_i_lock_of_inode [2023-04-03 07:30:49,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_i_lock_of_inode [2023-04-03 07:30:49,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_i_lock_of_inode [2023-04-03 07:30:49,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock [2023-04-03 07:30:49,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock [2023-04-03 07:30:49,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_lock [2023-04-03 07:30:49,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_lock [2023-04-03 07:30:49,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_lock [2023-04-03 07:30:49,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_lock [2023-04-03 07:30:49,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_lock [2023-04-03 07:30:49,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_lock [2023-04-03 07:30:49,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_NOT_ARG_SIGN [2023-04-03 07:30:49,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_NOT_ARG_SIGN [2023-04-03 07:30:49,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_lock_of_NOT_ARG_SIGN [2023-04-03 07:30:49,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_lock_of_NOT_ARG_SIGN [2023-04-03 07:30:49,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_lock_of_NOT_ARG_SIGN [2023-04-03 07:30:49,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_lock_of_NOT_ARG_SIGN [2023-04-03 07:30:49,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_lock_of_NOT_ARG_SIGN [2023-04-03 07:30:49,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_lock_of_NOT_ARG_SIGN [2023-04-03 07:30:49,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lru_lock_of_netns_frags [2023-04-03 07:30:49,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lru_lock_of_netns_frags [2023-04-03 07:30:49,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_lru_lock_of_netns_frags [2023-04-03 07:30:49,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_lru_lock_of_netns_frags [2023-04-03 07:30:49,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_lru_lock_of_netns_frags [2023-04-03 07:30:49,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_lru_lock_of_netns_frags [2023-04-03 07:30:49,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_lru_lock_of_netns_frags [2023-04-03 07:30:49,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_lru_lock_of_netns_frags [2023-04-03 07:30:49,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_node_size_lock_of_pglist_data [2023-04-03 07:30:49,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_node_size_lock_of_pglist_data [2023-04-03 07:30:49,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_node_size_lock_of_pglist_data [2023-04-03 07:30:49,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_node_size_lock_of_pglist_data [2023-04-03 07:30:49,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_node_size_lock_of_pglist_data [2023-04-03 07:30:49,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_node_size_lock_of_pglist_data [2023-04-03 07:30:49,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_node_size_lock_of_pglist_data [2023-04-03 07:30:49,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_node_size_lock_of_pglist_data [2023-04-03 07:30:49,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_ptl [2023-04-03 07:30:49,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_ptl [2023-04-03 07:30:49,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_ptl [2023-04-03 07:30:49,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_ptl [2023-04-03 07:30:49,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_ptl [2023-04-03 07:30:49,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_ptl [2023-04-03 07:30:49,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_ptl [2023-04-03 07:30:49,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_ptl [2023-04-03 07:30:49,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_siglock_of_sighand_struct [2023-04-03 07:30:49,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_siglock_of_sighand_struct [2023-04-03 07:30:49,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_siglock_of_sighand_struct [2023-04-03 07:30:49,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_siglock_of_sighand_struct [2023-04-03 07:30:49,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_siglock_of_sighand_struct [2023-04-03 07:30:49,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_siglock_of_sighand_struct [2023-04-03 07:30:49,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_siglock_of_sighand_struct [2023-04-03 07:30:49,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_siglock_of_sighand_struct [2023-04-03 07:30:49,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_tx_global_lock_of_net_device [2023-04-03 07:30:49,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_tx_global_lock_of_net_device [2023-04-03 07:30:49,638 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_tx_global_lock_of_net_device [2023-04-03 07:30:49,638 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_tx_global_lock_of_net_device [2023-04-03 07:30:49,638 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_tx_global_lock_of_net_device [2023-04-03 07:30:49,638 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_tx_global_lock_of_net_device [2023-04-03 07:30:49,638 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_tx_global_lock_of_net_device [2023-04-03 07:30:49,638 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_tx_global_lock_of_net_device [2023-04-03 07:30:49,638 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2023-04-03 07:30:49,638 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-03 07:30:49,638 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-03 07:30:49,638 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2023-04-03 07:30:49,638 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2023-04-03 07:30:49,638 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-03 07:30:49,638 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2023-04-03 07:30:49,638 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2023-04-03 07:30:49,638 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-03 07:30:49,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-03 07:30:49,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-04-03 07:30:49,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-04-03 07:30:49,639 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-03 07:30:49,639 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-04-03 07:30:49,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-04-03 07:30:49,639 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-04-03 07:30:50,363 INFO L236 CfgBuilder]: Building ICFG [2023-04-03 07:30:50,370 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-03 07:30:51,762 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint mainFINAL: assume true; [2023-04-03 07:30:52,184 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-04-03 07:30:54,885 INFO L277 CfgBuilder]: Performing block encoding [2023-04-03 07:30:57,294 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-03 07:30:57,294 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-04-03 07:30:57,298 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 07:30:57 BoogieIcfgContainer [2023-04-03 07:30:57,299 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-03 07:30:57,300 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-03 07:30:57,300 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-03 07:30:57,302 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-03 07:30:57,302 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.04 07:30:46" (1/3) ... [2023-04-03 07:30:57,303 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d2b4256 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 07:30:57, skipping insertion in model container [2023-04-03 07:30:57,303 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 07:30:49" (2/3) ... [2023-04-03 07:30:57,303 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d2b4256 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 07:30:57, skipping insertion in model container [2023-04-03 07:30:57,303 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 07:30:57" (3/3) ... [2023-04-03 07:30:57,304 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sun-sunhme.cil.i [2023-04-03 07:30:57,317 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-03 07:30:57,317 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2023-04-03 07:30:57,376 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-03 07:30:57,381 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;@473674ad, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-03 07:30:57,381 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-04-03 07:30:57,390 INFO L276 IsEmpty]: Start isEmpty. Operand has 2814 states, 1512 states have (on average 1.216931216931217) internal successors, (1840), 1565 states have internal predecessors, (1840), 896 states have call successors, (896), 293 states have call predecessors, (896), 291 states have return successors, (889), 872 states have call predecessors, (889), 889 states have call successors, (889) [2023-04-03 07:30:57,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-04-03 07:30:57,402 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:30:57,403 INFO L195 NwaCegarLoop]: trace histogram [9, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:30:57,404 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 07:30:57,407 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:30:57,407 INFO L85 PathProgramCache]: Analyzing trace with hash 1924090646, now seen corresponding path program 1 times [2023-04-03 07:30:57,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:30:57,414 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [828810695] [2023-04-03 07:30:57,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:30:57,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:30:57,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:30:58,153 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2023-04-03 07:30:58,153 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:30:58,154 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [828810695] [2023-04-03 07:30:58,154 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [828810695] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:30:58,154 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:30:58,155 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 07:30:58,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1953285280] [2023-04-03 07:30:58,158 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:30:58,163 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 07:30:58,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:30:58,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 07:30:58,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 07:30:58,199 INFO L87 Difference]: Start difference. First operand has 2814 states, 1512 states have (on average 1.216931216931217) internal successors, (1840), 1565 states have internal predecessors, (1840), 896 states have call successors, (896), 293 states have call predecessors, (896), 291 states have return successors, (889), 872 states have call predecessors, (889), 889 states have call successors, (889) Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 3 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2023-04-03 07:30:59,896 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:31:03,026 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:31:04,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:31:04,098 INFO L93 Difference]: Finished difference Result 7329 states and 10041 transitions. [2023-04-03 07:31:04,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 07:31:04,100 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 3 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 116 [2023-04-03 07:31:04,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:31:04,150 INFO L225 Difference]: With dead ends: 7329 [2023-04-03 07:31:04,150 INFO L226 Difference]: Without dead ends: 4835 [2023-04-03 07:31:04,169 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 07:31:04,172 INFO L413 NwaCegarLoop]: 3008 mSDtfsCounter, 3201 mSDsluCounter, 2927 mSDsCounter, 0 mSdLazyCounter, 758 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3201 SdHoareTripleChecker+Valid, 5935 SdHoareTripleChecker+Invalid, 765 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 758 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2023-04-03 07:31:04,173 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3201 Valid, 5935 Invalid, 765 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 758 Invalid, 0 Unknown, 0 Unchecked, 5.6s Time] [2023-04-03 07:31:04,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4835 states. [2023-04-03 07:31:04,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4835 to 4831. [2023-04-03 07:31:04,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4831 states, 2683 states have (on average 1.232202758106597) internal successors, (3306), 2783 states have internal predecessors, (3306), 1595 states have call successors, (1595), 553 states have call predecessors, (1595), 550 states have return successors, (1590), 1556 states have call predecessors, (1590), 1590 states have call successors, (1590) [2023-04-03 07:31:04,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4831 states to 4831 states and 6491 transitions. [2023-04-03 07:31:04,506 INFO L78 Accepts]: Start accepts. Automaton has 4831 states and 6491 transitions. Word has length 116 [2023-04-03 07:31:04,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:31:04,508 INFO L495 AbstractCegarLoop]: Abstraction has 4831 states and 6491 transitions. [2023-04-03 07:31:04,508 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 3 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2023-04-03 07:31:04,508 INFO L276 IsEmpty]: Start isEmpty. Operand 4831 states and 6491 transitions. [2023-04-03 07:31:04,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-04-03 07:31:04,515 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:31:04,515 INFO L195 NwaCegarLoop]: trace histogram [9, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:31:04,515 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-03 07:31:04,515 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 07:31:04,516 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:31:04,516 INFO L85 PathProgramCache]: Analyzing trace with hash 1224340961, now seen corresponding path program 1 times [2023-04-03 07:31:04,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:31:04,516 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2102357429] [2023-04-03 07:31:04,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:31:04,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:31:04,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:31:04,848 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2023-04-03 07:31:04,848 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:31:04,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2102357429] [2023-04-03 07:31:04,850 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2102357429] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:31:04,850 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:31:04,850 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 07:31:04,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [178797700] [2023-04-03 07:31:04,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:31:04,853 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 07:31:04,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:31:04,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 07:31:04,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 07:31:04,854 INFO L87 Difference]: Start difference. First operand 4831 states and 6491 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2023-04-03 07:31:06,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:31:06,772 INFO L93 Difference]: Finished difference Result 13403 states and 17983 transitions. [2023-04-03 07:31:06,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 07:31:06,772 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 124 [2023-04-03 07:31:06,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:31:06,821 INFO L225 Difference]: With dead ends: 13403 [2023-04-03 07:31:06,821 INFO L226 Difference]: Without dead ends: 8602 [2023-04-03 07:31:06,843 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 07:31:06,844 INFO L413 NwaCegarLoop]: 3228 mSDtfsCounter, 3072 mSDsluCounter, 2533 mSDsCounter, 0 mSdLazyCounter, 723 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3072 SdHoareTripleChecker+Valid, 5761 SdHoareTripleChecker+Invalid, 726 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 723 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-04-03 07:31:06,844 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3072 Valid, 5761 Invalid, 726 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 723 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-04-03 07:31:06,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8602 states. [2023-04-03 07:31:07,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8602 to 8558. [2023-04-03 07:31:07,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8558 states, 4771 states have (on average 1.2332844267449172) internal successors, (5884), 4960 states have internal predecessors, (5884), 2767 states have call successors, (2767), 1041 states have call predecessors, (2767), 1017 states have return successors, (2814), 2663 states have call predecessors, (2814), 2762 states have call successors, (2814) [2023-04-03 07:31:07,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8558 states to 8558 states and 11465 transitions. [2023-04-03 07:31:07,342 INFO L78 Accepts]: Start accepts. Automaton has 8558 states and 11465 transitions. Word has length 124 [2023-04-03 07:31:07,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:31:07,344 INFO L495 AbstractCegarLoop]: Abstraction has 8558 states and 11465 transitions. [2023-04-03 07:31:07,344 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2023-04-03 07:31:07,345 INFO L276 IsEmpty]: Start isEmpty. Operand 8558 states and 11465 transitions. [2023-04-03 07:31:07,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-04-03 07:31:07,354 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:31:07,354 INFO L195 NwaCegarLoop]: trace histogram [9, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:31:07,354 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-03 07:31:07,354 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 07:31:07,356 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:31:07,356 INFO L85 PathProgramCache]: Analyzing trace with hash -680657294, now seen corresponding path program 1 times [2023-04-03 07:31:07,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:31:07,356 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2039034981] [2023-04-03 07:31:07,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:31:07,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:31:07,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:31:07,640 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2023-04-03 07:31:07,641 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:31:07,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2039034981] [2023-04-03 07:31:07,641 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2039034981] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:31:07,641 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:31:07,641 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 07:31:07,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039792267] [2023-04-03 07:31:07,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:31:07,642 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 07:31:07,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:31:07,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 07:31:07,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 07:31:07,643 INFO L87 Difference]: Start difference. First operand 8558 states and 11465 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2023-04-03 07:31:10,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:31:10,839 INFO L93 Difference]: Finished difference Result 24284 states and 32653 transitions. [2023-04-03 07:31:10,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 07:31:10,839 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 124 [2023-04-03 07:31:10,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:31:10,934 INFO L225 Difference]: With dead ends: 24284 [2023-04-03 07:31:10,934 INFO L226 Difference]: Without dead ends: 15756 [2023-04-03 07:31:10,979 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 07:31:10,980 INFO L413 NwaCegarLoop]: 3054 mSDtfsCounter, 2916 mSDsluCounter, 2873 mSDsCounter, 0 mSdLazyCounter, 794 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2916 SdHoareTripleChecker+Valid, 5927 SdHoareTripleChecker+Invalid, 801 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 794 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2023-04-03 07:31:10,980 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2916 Valid, 5927 Invalid, 801 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 794 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2023-04-03 07:31:10,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15756 states. [2023-04-03 07:31:11,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15756 to 15706. [2023-04-03 07:31:11,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15706 states, 8783 states have (on average 1.2346578617784356) internal successors, (10844), 9142 states have internal predecessors, (10844), 5073 states have call successors, (5073), 1897 states have call predecessors, (5073), 1847 states have return successors, (5212), 4865 states have call predecessors, (5212), 5068 states have call successors, (5212) [2023-04-03 07:31:11,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15706 states to 15706 states and 21129 transitions. [2023-04-03 07:31:11,817 INFO L78 Accepts]: Start accepts. Automaton has 15706 states and 21129 transitions. Word has length 124 [2023-04-03 07:31:11,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:31:11,819 INFO L495 AbstractCegarLoop]: Abstraction has 15706 states and 21129 transitions. [2023-04-03 07:31:11,819 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2023-04-03 07:31:11,819 INFO L276 IsEmpty]: Start isEmpty. Operand 15706 states and 21129 transitions. [2023-04-03 07:31:11,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2023-04-03 07:31:11,820 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:31:11,821 INFO L195 NwaCegarLoop]: trace histogram [9, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:31:11,821 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-03 07:31:11,821 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 07:31:11,822 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:31:11,822 INFO L85 PathProgramCache]: Analyzing trace with hash 1143965348, now seen corresponding path program 1 times [2023-04-03 07:31:11,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:31:11,822 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [287388047] [2023-04-03 07:31:11,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:31:11,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:31:11,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:31:12,081 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2023-04-03 07:31:12,081 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:31:12,081 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [287388047] [2023-04-03 07:31:12,081 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [287388047] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:31:12,081 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:31:12,081 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 07:31:12,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1714797980] [2023-04-03 07:31:12,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:31:12,083 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 07:31:12,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:31:12,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 07:31:12,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 07:31:12,083 INFO L87 Difference]: Start difference. First operand 15706 states and 21129 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2023-04-03 07:31:16,299 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:31:16,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:31:16,373 INFO L93 Difference]: Finished difference Result 31017 states and 41808 transitions. [2023-04-03 07:31:16,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 07:31:16,373 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 127 [2023-04-03 07:31:16,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:31:16,431 INFO L225 Difference]: With dead ends: 31017 [2023-04-03 07:31:16,431 INFO L226 Difference]: Without dead ends: 15341 [2023-04-03 07:31:16,477 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 07:31:16,480 INFO L413 NwaCegarLoop]: 3427 mSDtfsCounter, 2428 mSDsluCounter, 2928 mSDsCounter, 0 mSdLazyCounter, 846 mSolverCounterSat, 17 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2428 SdHoareTripleChecker+Valid, 6355 SdHoareTripleChecker+Invalid, 864 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 846 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2023-04-03 07:31:16,480 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2428 Valid, 6355 Invalid, 864 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 846 Invalid, 1 Unknown, 0 Unchecked, 3.6s Time] [2023-04-03 07:31:16,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15341 states. [2023-04-03 07:31:16,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15341 to 15285. [2023-04-03 07:31:16,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15285 states, 8538 states have (on average 1.2288592176153665) internal successors, (10492), 8915 states have internal predecessors, (10492), 4954 states have call successors, (4954), 1839 states have call predecessors, (4954), 1790 states have return successors, (5083), 4742 states have call predecessors, (5083), 4949 states have call successors, (5083) [2023-04-03 07:31:16,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15285 states to 15285 states and 20529 transitions. [2023-04-03 07:31:16,983 INFO L78 Accepts]: Start accepts. Automaton has 15285 states and 20529 transitions. Word has length 127 [2023-04-03 07:31:16,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:31:16,984 INFO L495 AbstractCegarLoop]: Abstraction has 15285 states and 20529 transitions. [2023-04-03 07:31:16,984 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2023-04-03 07:31:16,984 INFO L276 IsEmpty]: Start isEmpty. Operand 15285 states and 20529 transitions. [2023-04-03 07:31:17,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-04-03 07:31:17,001 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:31:17,001 INFO L195 NwaCegarLoop]: trace histogram [9, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:31:17,001 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-03 07:31:17,002 INFO L420 AbstractCegarLoop]: === Iteration 5 === 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 07:31:17,002 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:31:17,002 INFO L85 PathProgramCache]: Analyzing trace with hash -2034598892, now seen corresponding path program 1 times [2023-04-03 07:31:17,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:31:17,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [400855100] [2023-04-03 07:31:17,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:31:17,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:31:17,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:31:17,220 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2023-04-03 07:31:17,220 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:31:17,220 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [400855100] [2023-04-03 07:31:17,220 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [400855100] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:31:17,220 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:31:17,220 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 07:31:17,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721325772] [2023-04-03 07:31:17,221 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:31:17,221 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 07:31:17,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:31:17,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 07:31:17,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 07:31:17,222 INFO L87 Difference]: Start difference. First operand 15285 states and 20529 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, (25), 3 states have call predecessors, (25), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2023-04-03 07:31:18,876 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:31:23,442 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:31:23,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:31:23,771 INFO L93 Difference]: Finished difference Result 39733 states and 53710 transitions. [2023-04-03 07:31:23,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 07:31:23,772 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, (25), 3 states have call predecessors, (25), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 131 [2023-04-03 07:31:23,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:31:23,883 INFO L225 Difference]: With dead ends: 39733 [2023-04-03 07:31:23,884 INFO L226 Difference]: Without dead ends: 24478 [2023-04-03 07:31:23,939 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 07:31:23,939 INFO L413 NwaCegarLoop]: 3387 mSDtfsCounter, 2863 mSDsluCounter, 2964 mSDsCounter, 0 mSdLazyCounter, 779 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2863 SdHoareTripleChecker+Valid, 6351 SdHoareTripleChecker+Invalid, 786 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 779 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2023-04-03 07:31:23,939 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2863 Valid, 6351 Invalid, 786 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 779 Invalid, 1 Unknown, 0 Unchecked, 6.0s Time] [2023-04-03 07:31:23,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24478 states. [2023-04-03 07:31:24,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24478 to 24378. [2023-04-03 07:31:24,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24378 states, 13517 states have (on average 1.2296367537175408) internal successors, (16621), 14139 states have internal predecessors, (16621), 8006 states have call successors, (8006), 2961 states have call predecessors, (8006), 2852 states have return successors, (8426), 7586 states have call predecessors, (8426), 8001 states have call successors, (8426) [2023-04-03 07:31:24,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24378 states to 24378 states and 33053 transitions. [2023-04-03 07:31:24,780 INFO L78 Accepts]: Start accepts. Automaton has 24378 states and 33053 transitions. Word has length 131 [2023-04-03 07:31:24,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:31:24,782 INFO L495 AbstractCegarLoop]: Abstraction has 24378 states and 33053 transitions. [2023-04-03 07:31:24,782 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, (25), 3 states have call predecessors, (25), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2023-04-03 07:31:24,782 INFO L276 IsEmpty]: Start isEmpty. Operand 24378 states and 33053 transitions. [2023-04-03 07:31:24,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2023-04-03 07:31:24,784 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:31:24,784 INFO L195 NwaCegarLoop]: trace histogram [10, 8, 8, 8, 8, 8, 8, 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] [2023-04-03 07:31:24,784 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-04-03 07:31:24,785 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 07:31:24,785 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:31:24,785 INFO L85 PathProgramCache]: Analyzing trace with hash 2137004227, now seen corresponding path program 1 times [2023-04-03 07:31:24,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:31:24,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370883722] [2023-04-03 07:31:24,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:31:24,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:31:24,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:31:25,187 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 258 trivial. 0 not checked. [2023-04-03 07:31:25,187 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:31:25,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1370883722] [2023-04-03 07:31:25,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1370883722] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:31:25,187 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:31:25,188 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 07:31:25,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [475851137] [2023-04-03 07:31:25,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:31:25,188 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 07:31:25,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:31:25,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 07:31:25,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 07:31:25,189 INFO L87 Difference]: Start difference. First operand 24378 states and 33053 transitions. Second operand has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 4 states have call successors, (28), 3 states have call predecessors, (28), 2 states have return successors, (20), 4 states have call predecessors, (20), 4 states have call successors, (20) [2023-04-03 07:31:38,841 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:31:39,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:31:39,155 INFO L93 Difference]: Finished difference Result 70897 states and 96080 transitions. [2023-04-03 07:31:39,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-04-03 07:31:39,155 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 4 states have call successors, (28), 3 states have call predecessors, (28), 2 states have return successors, (20), 4 states have call predecessors, (20), 4 states have call successors, (20) Word has length 152 [2023-04-03 07:31:39,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:31:39,339 INFO L225 Difference]: With dead ends: 70897 [2023-04-03 07:31:39,339 INFO L226 Difference]: Without dead ends: 46549 [2023-04-03 07:31:39,410 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-04-03 07:31:39,411 INFO L413 NwaCegarLoop]: 77 mSDtfsCounter, 5320 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 11834 mSolverCounterSat, 2789 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6135 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 14623 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2789 IncrementalHoareTripleChecker+Valid, 11834 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.3s IncrementalHoareTripleChecker+Time [2023-04-03 07:31:39,411 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6135 Valid, 190 Invalid, 14623 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2789 Valid, 11834 Invalid, 0 Unknown, 0 Unchecked, 12.3s Time] [2023-04-03 07:31:39,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46549 states. [2023-04-03 07:31:41,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46549 to 46443. [2023-04-03 07:31:41,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46443 states, 25776 states have (on average 1.2282743637492242) internal successors, (31660), 27009 states have internal predecessors, (31660), 15148 states have call successors, (15148), 5673 states have call predecessors, (15148), 5516 states have return successors, (16050), 14343 states have call predecessors, (16050), 15143 states have call successors, (16050) [2023-04-03 07:31:41,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46443 states to 46443 states and 62858 transitions. [2023-04-03 07:31:41,619 INFO L78 Accepts]: Start accepts. Automaton has 46443 states and 62858 transitions. Word has length 152 [2023-04-03 07:31:41,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:31:41,620 INFO L495 AbstractCegarLoop]: Abstraction has 46443 states and 62858 transitions. [2023-04-03 07:31:41,620 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 4 states have call successors, (28), 3 states have call predecessors, (28), 2 states have return successors, (20), 4 states have call predecessors, (20), 4 states have call successors, (20) [2023-04-03 07:31:41,620 INFO L276 IsEmpty]: Start isEmpty. Operand 46443 states and 62858 transitions. [2023-04-03 07:31:41,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-04-03 07:31:41,621 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:31:41,621 INFO L195 NwaCegarLoop]: trace histogram [11, 8, 8, 8, 8, 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] [2023-04-03 07:31:41,621 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-04-03 07:31:41,622 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 07:31:41,622 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:31:41,622 INFO L85 PathProgramCache]: Analyzing trace with hash 1375933413, now seen corresponding path program 1 times [2023-04-03 07:31:41,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:31:41,622 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1886474013] [2023-04-03 07:31:41,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:31:41,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:31:41,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:31:41,749 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 287 trivial. 0 not checked. [2023-04-03 07:31:41,749 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:31:41,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1886474013] [2023-04-03 07:31:41,749 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1886474013] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:31:41,749 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:31:41,749 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 07:31:41,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1636191259] [2023-04-03 07:31:41,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:31:41,750 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 07:31:41,750 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:31:41,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 07:31:41,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 07:31:41,750 INFO L87 Difference]: Start difference. First operand 46443 states and 62858 transitions. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-04-03 07:31:45,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:31:45,393 INFO L93 Difference]: Finished difference Result 92793 states and 125704 transitions. [2023-04-03 07:31:45,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 07:31:45,394 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 163 [2023-04-03 07:31:45,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:31:45,580 INFO L225 Difference]: With dead ends: 92793 [2023-04-03 07:31:45,580 INFO L226 Difference]: Without dead ends: 46443 [2023-04-03 07:31:45,709 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 07:31:45,710 INFO L413 NwaCegarLoop]: 2978 mSDtfsCounter, 1 mSDsluCounter, 2975 mSDsCounter, 0 mSdLazyCounter, 742 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 5953 SdHoareTripleChecker+Invalid, 742 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 742 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-04-03 07:31:45,710 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 5953 Invalid, 742 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 742 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-04-03 07:31:45,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46443 states. [2023-04-03 07:31:47,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46443 to 46443. [2023-04-03 07:31:47,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46443 states, 25776 states have (on average 1.2270328988206083) internal successors, (31628), 27009 states have internal predecessors, (31628), 15148 states have call successors, (15148), 5673 states have call predecessors, (15148), 5516 states have return successors, (16050), 14343 states have call predecessors, (16050), 15143 states have call successors, (16050) [2023-04-03 07:31:47,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46443 states to 46443 states and 62826 transitions. [2023-04-03 07:31:47,947 INFO L78 Accepts]: Start accepts. Automaton has 46443 states and 62826 transitions. Word has length 163 [2023-04-03 07:31:47,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:31:47,948 INFO L495 AbstractCegarLoop]: Abstraction has 46443 states and 62826 transitions. [2023-04-03 07:31:47,948 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-04-03 07:31:47,948 INFO L276 IsEmpty]: Start isEmpty. Operand 46443 states and 62826 transitions. [2023-04-03 07:31:47,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2023-04-03 07:31:47,949 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:31:47,949 INFO L195 NwaCegarLoop]: trace histogram [12, 8, 8, 8, 8, 8, 8, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 07:31:47,950 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-04-03 07:31:47,950 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 07:31:47,950 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:31:47,950 INFO L85 PathProgramCache]: Analyzing trace with hash 927796414, now seen corresponding path program 1 times [2023-04-03 07:31:47,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:31:47,950 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1612899288] [2023-04-03 07:31:47,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:31:47,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:31:48,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:31:48,248 INFO L134 CoverageAnalysis]: Checked inductivity of 329 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 322 trivial. 0 not checked. [2023-04-03 07:31:48,248 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:31:48,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1612899288] [2023-04-03 07:31:48,248 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1612899288] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:31:48,248 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:31:48,248 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 07:31:48,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [8033454] [2023-04-03 07:31:48,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:31:48,249 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 07:31:48,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:31:48,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 07:31:48,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 07:31:48,250 INFO L87 Difference]: Start difference. First operand 46443 states and 62826 transitions. Second operand has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 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 07:31:52,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:31:52,370 INFO L93 Difference]: Finished difference Result 46449 states and 62831 transitions. [2023-04-03 07:31:52,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 07:31:52,375 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 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 190 [2023-04-03 07:31:52,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:31:52,597 INFO L225 Difference]: With dead ends: 46449 [2023-04-03 07:31:52,597 INFO L226 Difference]: Without dead ends: 46447 [2023-04-03 07:31:52,629 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 07:31:52,630 INFO L413 NwaCegarLoop]: 2976 mSDtfsCounter, 3324 mSDsluCounter, 5939 mSDsCounter, 0 mSdLazyCounter, 1130 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3336 SdHoareTripleChecker+Valid, 8915 SdHoareTripleChecker+Invalid, 1131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2023-04-03 07:31:52,630 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3336 Valid, 8915 Invalid, 1131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1130 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2023-04-03 07:31:52,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46447 states. [2023-04-03 07:31:54,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46447 to 46447. [2023-04-03 07:31:54,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46447 states, 25779 states have (on average 1.2270064781411225) internal successors, (31631), 27012 states have internal predecessors, (31631), 15148 states have call successors, (15148), 5674 states have call predecessors, (15148), 5517 states have return successors, (16050), 14343 states have call predecessors, (16050), 15143 states have call successors, (16050) [2023-04-03 07:31:55,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46447 states to 46447 states and 62829 transitions. [2023-04-03 07:31:55,137 INFO L78 Accepts]: Start accepts. Automaton has 46447 states and 62829 transitions. Word has length 190 [2023-04-03 07:31:55,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:31:55,138 INFO L495 AbstractCegarLoop]: Abstraction has 46447 states and 62829 transitions. [2023-04-03 07:31:55,138 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 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 07:31:55,138 INFO L276 IsEmpty]: Start isEmpty. Operand 46447 states and 62829 transitions. [2023-04-03 07:31:55,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2023-04-03 07:31:55,144 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:31:55,144 INFO L195 NwaCegarLoop]: trace histogram [12, 8, 8, 8, 8, 8, 8, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 07:31:55,144 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-04-03 07:31:55,144 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 07:31:55,145 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:31:55,145 INFO L85 PathProgramCache]: Analyzing trace with hash -132495408, now seen corresponding path program 1 times [2023-04-03 07:31:55,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:31:55,145 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1056454642] [2023-04-03 07:31:55,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:31:55,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:31:55,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:31:55,600 INFO L134 CoverageAnalysis]: Checked inductivity of 331 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 322 trivial. 0 not checked. [2023-04-03 07:31:55,600 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:31:55,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1056454642] [2023-04-03 07:31:55,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1056454642] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:31:55,601 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:31:55,601 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 07:31:55,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1480481652] [2023-04-03 07:31:55,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:31:55,601 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 07:31:55,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:31:55,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 07:31:55,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 07:31:55,602 INFO L87 Difference]: Start difference. First operand 46447 states and 62829 transitions. Second operand has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 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 07:31:59,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:31:59,879 INFO L93 Difference]: Finished difference Result 46453 states and 62834 transitions. [2023-04-03 07:31:59,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 07:31:59,880 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 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 195 [2023-04-03 07:31:59,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:32:00,157 INFO L225 Difference]: With dead ends: 46453 [2023-04-03 07:32:00,157 INFO L226 Difference]: Without dead ends: 46451 [2023-04-03 07:32:00,179 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 07:32:00,179 INFO L413 NwaCegarLoop]: 2979 mSDtfsCounter, 3319 mSDsluCounter, 5939 mSDsCounter, 0 mSdLazyCounter, 1130 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3330 SdHoareTripleChecker+Valid, 8918 SdHoareTripleChecker+Invalid, 1131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2023-04-03 07:32:00,179 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3330 Valid, 8918 Invalid, 1131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1130 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2023-04-03 07:32:00,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46451 states. [2023-04-03 07:32:02,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46451 to 46451. [2023-04-03 07:32:02,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46451 states, 25782 states have (on average 1.2269800636102708) internal successors, (31634), 27015 states have internal predecessors, (31634), 15148 states have call successors, (15148), 5675 states have call predecessors, (15148), 5518 states have return successors, (16050), 14343 states have call predecessors, (16050), 15143 states have call successors, (16050) [2023-04-03 07:32:02,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46451 states to 46451 states and 62832 transitions. [2023-04-03 07:32:02,356 INFO L78 Accepts]: Start accepts. Automaton has 46451 states and 62832 transitions. Word has length 195 [2023-04-03 07:32:02,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:32:02,356 INFO L495 AbstractCegarLoop]: Abstraction has 46451 states and 62832 transitions. [2023-04-03 07:32:02,356 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (34), 3 states have call predecessors, (34), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2023-04-03 07:32:02,356 INFO L276 IsEmpty]: Start isEmpty. Operand 46451 states and 62832 transitions. [2023-04-03 07:32:02,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2023-04-03 07:32:02,359 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:32:02,359 INFO L195 NwaCegarLoop]: trace histogram [12, 8, 8, 8, 8, 8, 8, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 07:32:02,359 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-04-03 07:32:02,359 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 07:32:02,359 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:32:02,359 INFO L85 PathProgramCache]: Analyzing trace with hash 2083405758, now seen corresponding path program 1 times [2023-04-03 07:32:02,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:32:02,359 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1852544892] [2023-04-03 07:32:02,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:32:02,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:32:02,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:32:02,784 INFO L134 CoverageAnalysis]: Checked inductivity of 337 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 326 trivial. 0 not checked. [2023-04-03 07:32:02,785 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:32:02,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1852544892] [2023-04-03 07:32:02,785 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1852544892] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:32:02,785 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:32:02,785 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 07:32:02,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1126137915] [2023-04-03 07:32:02,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:32:02,786 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 07:32:02,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:32:02,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 07:32:02,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 07:32:02,786 INFO L87 Difference]: Start difference. First operand 46451 states and 62832 transitions. Second operand has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (35), 3 states have call predecessors, (35), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-04-03 07:32:07,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:32:07,496 INFO L93 Difference]: Finished difference Result 46457 states and 62837 transitions. [2023-04-03 07:32:07,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 07:32:07,497 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 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 200 [2023-04-03 07:32:07,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:32:07,661 INFO L225 Difference]: With dead ends: 46457 [2023-04-03 07:32:07,662 INFO L226 Difference]: Without dead ends: 46455 [2023-04-03 07:32:07,692 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 07:32:07,692 INFO L413 NwaCegarLoop]: 2979 mSDtfsCounter, 3319 mSDsluCounter, 5939 mSDsCounter, 0 mSdLazyCounter, 1130 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3329 SdHoareTripleChecker+Valid, 8918 SdHoareTripleChecker+Invalid, 1131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2023-04-03 07:32:07,693 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3329 Valid, 8918 Invalid, 1131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1130 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2023-04-03 07:32:07,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46455 states. [2023-04-03 07:32:09,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46455 to 46455. [2023-04-03 07:32:10,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46455 states, 25785 states have (on average 1.2269536552259066) internal successors, (31637), 27018 states have internal predecessors, (31637), 15148 states have call successors, (15148), 5676 states have call predecessors, (15148), 5519 states have return successors, (16050), 14343 states have call predecessors, (16050), 15143 states have call successors, (16050) [2023-04-03 07:32:10,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46455 states to 46455 states and 62835 transitions. [2023-04-03 07:32:10,365 INFO L78 Accepts]: Start accepts. Automaton has 46455 states and 62835 transitions. Word has length 200 [2023-04-03 07:32:10,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:32:10,366 INFO L495 AbstractCegarLoop]: Abstraction has 46455 states and 62835 transitions. [2023-04-03 07:32:10,366 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (35), 3 states have call predecessors, (35), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-04-03 07:32:10,366 INFO L276 IsEmpty]: Start isEmpty. Operand 46455 states and 62835 transitions. [2023-04-03 07:32:10,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2023-04-03 07:32:10,369 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:32:10,369 INFO L195 NwaCegarLoop]: trace histogram [12, 8, 8, 8, 8, 8, 8, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 07:32:10,369 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-04-03 07:32:10,369 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 07:32:10,369 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:32:10,369 INFO L85 PathProgramCache]: Analyzing trace with hash -1623514032, now seen corresponding path program 1 times [2023-04-03 07:32:10,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:32:10,370 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1094595146] [2023-04-03 07:32:10,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:32:10,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:32:10,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:32:10,667 INFO L134 CoverageAnalysis]: Checked inductivity of 347 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 334 trivial. 0 not checked. [2023-04-03 07:32:10,668 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:32:10,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1094595146] [2023-04-03 07:32:10,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1094595146] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:32:10,668 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:32:10,668 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 07:32:10,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [876353118] [2023-04-03 07:32:10,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:32:10,669 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 07:32:10,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:32:10,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 07:32:10,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 07:32:10,670 INFO L87 Difference]: Start difference. First operand 46455 states and 62835 transitions. Second operand has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 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 07:32:15,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:32:15,104 INFO L93 Difference]: Finished difference Result 46461 states and 62840 transitions. [2023-04-03 07:32:15,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 07:32:15,105 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 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 205 [2023-04-03 07:32:15,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:32:15,252 INFO L225 Difference]: With dead ends: 46461 [2023-04-03 07:32:15,253 INFO L226 Difference]: Without dead ends: 46459 [2023-04-03 07:32:15,277 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 07:32:15,277 INFO L413 NwaCegarLoop]: 2979 mSDtfsCounter, 3319 mSDsluCounter, 5939 mSDsCounter, 0 mSdLazyCounter, 1130 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3328 SdHoareTripleChecker+Valid, 8918 SdHoareTripleChecker+Invalid, 1131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2023-04-03 07:32:15,278 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3328 Valid, 8918 Invalid, 1131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1130 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2023-04-03 07:32:15,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46459 states. [2023-04-03 07:32:17,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46459 to 46459. [2023-04-03 07:32:17,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46459 states, 25788 states have (on average 1.226927252985885) internal successors, (31640), 27021 states have internal predecessors, (31640), 15148 states have call successors, (15148), 5677 states have call predecessors, (15148), 5520 states have return successors, (16050), 14343 states have call predecessors, (16050), 15143 states have call successors, (16050) [2023-04-03 07:32:18,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46459 states to 46459 states and 62838 transitions. [2023-04-03 07:32:18,037 INFO L78 Accepts]: Start accepts. Automaton has 46459 states and 62838 transitions. Word has length 205 [2023-04-03 07:32:18,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:32:18,038 INFO L495 AbstractCegarLoop]: Abstraction has 46459 states and 62838 transitions. [2023-04-03 07:32:18,038 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 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 07:32:18,038 INFO L276 IsEmpty]: Start isEmpty. Operand 46459 states and 62838 transitions. [2023-04-03 07:32:18,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2023-04-03 07:32:18,040 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:32:18,040 INFO L195 NwaCegarLoop]: trace histogram [12, 8, 8, 8, 8, 8, 8, 4, 4, 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] [2023-04-03 07:32:18,040 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-04-03 07:32:18,041 INFO L420 AbstractCegarLoop]: === Iteration 12 === 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 07:32:18,041 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:32:18,041 INFO L85 PathProgramCache]: Analyzing trace with hash -943582461, now seen corresponding path program 1 times [2023-04-03 07:32:18,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:32:18,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1507052300] [2023-04-03 07:32:18,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:32:18,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:32:18,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:32:18,257 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 318 trivial. 0 not checked. [2023-04-03 07:32:18,258 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:32:18,258 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1507052300] [2023-04-03 07:32:18,258 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1507052300] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:32:18,258 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:32:18,258 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 07:32:18,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1481318230] [2023-04-03 07:32:18,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:32:18,258 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 07:32:18,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:32:18,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 07:32:18,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 07:32:18,259 INFO L87 Difference]: Start difference. First operand 46459 states and 62838 transitions. Second operand has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 3 states have call successors, (41), 3 states have call predecessors, (41), 2 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2023-04-03 07:32:24,622 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:32:25,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:32:25,373 INFO L93 Difference]: Finished difference Result 110223 states and 149416 transitions. [2023-04-03 07:32:25,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 07:32:25,374 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 3 states have call successors, (41), 3 states have call predecessors, (41), 2 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) Word has length 213 [2023-04-03 07:32:25,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:32:25,617 INFO L225 Difference]: With dead ends: 110223 [2023-04-03 07:32:25,617 INFO L226 Difference]: Without dead ends: 63857 [2023-04-03 07:32:25,744 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 07:32:25,744 INFO L413 NwaCegarLoop]: 4197 mSDtfsCounter, 2394 mSDsluCounter, 2934 mSDsCounter, 0 mSdLazyCounter, 950 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2394 SdHoareTripleChecker+Valid, 7131 SdHoareTripleChecker+Invalid, 965 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 950 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2023-04-03 07:32:25,744 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2394 Valid, 7131 Invalid, 965 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 950 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2023-04-03 07:32:25,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63857 states. [2023-04-03 07:32:29,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63857 to 63689. [2023-04-03 07:32:29,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63689 states, 35344 states have (on average 1.2249320959710277) internal successors, (43294), 37055 states have internal predecessors, (43294), 20860 states have call successors, (20860), 7725 states have call predecessors, (20860), 7482 states have return successors, (21962), 19729 states have call predecessors, (21962), 20855 states have call successors, (21962) [2023-04-03 07:32:29,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63689 states to 63689 states and 86116 transitions. [2023-04-03 07:32:29,891 INFO L78 Accepts]: Start accepts. Automaton has 63689 states and 86116 transitions. Word has length 213 [2023-04-03 07:32:29,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:32:29,894 INFO L495 AbstractCegarLoop]: Abstraction has 63689 states and 86116 transitions. [2023-04-03 07:32:29,894 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 3 states have call successors, (41), 3 states have call predecessors, (41), 2 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2023-04-03 07:32:29,895 INFO L276 IsEmpty]: Start isEmpty. Operand 63689 states and 86116 transitions. [2023-04-03 07:32:29,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2023-04-03 07:32:29,897 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:32:29,898 INFO L195 NwaCegarLoop]: trace histogram [12, 8, 8, 8, 8, 8, 8, 5, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 07:32:29,898 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-04-03 07:32:29,898 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 07:32:29,898 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:32:29,898 INFO L85 PathProgramCache]: Analyzing trace with hash -1914871106, now seen corresponding path program 1 times [2023-04-03 07:32:29,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:32:29,898 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1027796475] [2023-04-03 07:32:29,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:32:29,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:32:29,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:32:30,226 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 346 trivial. 0 not checked. [2023-04-03 07:32:30,226 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:32:30,226 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1027796475] [2023-04-03 07:32:30,226 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1027796475] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:32:30,226 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:32:30,226 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 07:32:30,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308429951] [2023-04-03 07:32:30,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:32:30,227 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 07:32:30,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:32:30,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 07:32:30,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 07:32:30,228 INFO L87 Difference]: Start difference. First operand 63689 states and 86116 transitions. Second operand has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (37), 3 states have call predecessors, (37), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2023-04-03 07:32:36,794 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:32:37,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:32:37,461 INFO L93 Difference]: Finished difference Result 64623 states and 86891 transitions. [2023-04-03 07:32:37,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 07:32:37,462 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (37), 3 states have call predecessors, (37), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 210 [2023-04-03 07:32:37,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:32:37,706 INFO L225 Difference]: With dead ends: 64623 [2023-04-03 07:32:37,706 INFO L226 Difference]: Without dead ends: 64621 [2023-04-03 07:32:37,737 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 07:32:37,738 INFO L413 NwaCegarLoop]: 3010 mSDtfsCounter, 1505 mSDsluCounter, 7671 mSDsCounter, 0 mSdLazyCounter, 1360 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1513 SdHoareTripleChecker+Valid, 10681 SdHoareTripleChecker+Invalid, 1363 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1360 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2023-04-03 07:32:37,739 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1513 Valid, 10681 Invalid, 1363 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1360 Invalid, 1 Unknown, 0 Unchecked, 4.3s Time] [2023-04-03 07:32:37,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64621 states. [2023-04-03 07:32:41,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64621 to 64621. [2023-04-03 07:32:41,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64621 states, 35849 states have (on average 1.2225445619124662) internal successors, (43827), 37568 states have internal predecessors, (43827), 20980 states have call successors, (20980), 8032 states have call predecessors, (20980), 7789 states have return successors, (22082), 19849 states have call predecessors, (22082), 20975 states have call successors, (22082) [2023-04-03 07:32:41,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64621 states to 64621 states and 86889 transitions. [2023-04-03 07:32:41,799 INFO L78 Accepts]: Start accepts. Automaton has 64621 states and 86889 transitions. Word has length 210 [2023-04-03 07:32:41,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:32:41,800 INFO L495 AbstractCegarLoop]: Abstraction has 64621 states and 86889 transitions. [2023-04-03 07:32:41,800 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (37), 3 states have call predecessors, (37), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2023-04-03 07:32:41,800 INFO L276 IsEmpty]: Start isEmpty. Operand 64621 states and 86889 transitions. [2023-04-03 07:32:41,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2023-04-03 07:32:41,802 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:32:41,802 INFO L195 NwaCegarLoop]: trace histogram [12, 8, 8, 8, 8, 8, 8, 6, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 07:32:41,802 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-04-03 07:32:41,803 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 07:32:41,803 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:32:41,803 INFO L85 PathProgramCache]: Analyzing trace with hash -54259504, now seen corresponding path program 1 times [2023-04-03 07:32:41,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:32:41,803 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [154898568] [2023-04-03 07:32:41,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:32:41,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:32:41,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:32:42,048 INFO L134 CoverageAnalysis]: Checked inductivity of 379 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 362 trivial. 0 not checked. [2023-04-03 07:32:42,049 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:32:42,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [154898568] [2023-04-03 07:32:42,049 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [154898568] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:32:42,049 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:32:42,049 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 07:32:42,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1511220175] [2023-04-03 07:32:42,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:32:42,050 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 07:32:42,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:32:42,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 07:32:42,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 07:32:42,050 INFO L87 Difference]: Start difference. First operand 64621 states and 86889 transitions. Second operand has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (38), 3 states have call predecessors, (38), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2023-04-03 07:32:47,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:32:47,640 INFO L93 Difference]: Finished difference Result 64627 states and 86894 transitions. [2023-04-03 07:32:47,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 07:32:47,641 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (38), 3 states have call predecessors, (38), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 215 [2023-04-03 07:32:47,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:32:47,884 INFO L225 Difference]: With dead ends: 64627 [2023-04-03 07:32:47,884 INFO L226 Difference]: Without dead ends: 64625 [2023-04-03 07:32:47,921 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 07:32:47,922 INFO L413 NwaCegarLoop]: 2979 mSDtfsCounter, 3319 mSDsluCounter, 5939 mSDsCounter, 0 mSdLazyCounter, 1130 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3326 SdHoareTripleChecker+Valid, 8918 SdHoareTripleChecker+Invalid, 1131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2023-04-03 07:32:47,922 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3326 Valid, 8918 Invalid, 1131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1130 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2023-04-03 07:32:47,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64625 states. [2023-04-03 07:32:51,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64625 to 64625. [2023-04-03 07:32:51,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64625 states, 35852 states have (on average 1.2225259399754547) internal successors, (43830), 37571 states have internal predecessors, (43830), 20980 states have call successors, (20980), 8033 states have call predecessors, (20980), 7790 states have return successors, (22082), 19849 states have call predecessors, (22082), 20975 states have call successors, (22082) [2023-04-03 07:32:51,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64625 states to 64625 states and 86892 transitions. [2023-04-03 07:32:51,991 INFO L78 Accepts]: Start accepts. Automaton has 64625 states and 86892 transitions. Word has length 215 [2023-04-03 07:32:51,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:32:51,991 INFO L495 AbstractCegarLoop]: Abstraction has 64625 states and 86892 transitions. [2023-04-03 07:32:51,992 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (38), 3 states have call predecessors, (38), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2023-04-03 07:32:51,992 INFO L276 IsEmpty]: Start isEmpty. Operand 64625 states and 86892 transitions. [2023-04-03 07:32:51,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2023-04-03 07:32:51,994 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:32:51,994 INFO L195 NwaCegarLoop]: trace histogram [12, 8, 8, 8, 8, 8, 8, 7, 6, 6, 5, 5, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 07:32:51,994 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-04-03 07:32:51,994 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 07:32:51,995 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:32:51,995 INFO L85 PathProgramCache]: Analyzing trace with hash -200289505, now seen corresponding path program 1 times [2023-04-03 07:32:51,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:32:51,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [334795176] [2023-04-03 07:32:51,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:32:51,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:32:52,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:32:52,489 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 394 trivial. 0 not checked. [2023-04-03 07:32:52,489 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:32:52,489 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [334795176] [2023-04-03 07:32:52,489 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [334795176] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:32:52,489 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:32:52,490 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 07:32:52,490 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1250897062] [2023-04-03 07:32:52,490 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:32:52,490 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 07:32:52,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:32:52,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 07:32:52,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 07:32:52,491 INFO L87 Difference]: Start difference. First operand 64625 states and 86892 transitions. Second operand has 5 states, 5 states have (on average 15.2) internal successors, (76), 4 states have internal predecessors, (76), 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 07:32:57,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:32:57,725 INFO L93 Difference]: Finished difference Result 64631 states and 86897 transitions. [2023-04-03 07:32:57,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 07:32:57,726 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 4 states have internal predecessors, (76), 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 248 [2023-04-03 07:32:57,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:32:57,957 INFO L225 Difference]: With dead ends: 64631 [2023-04-03 07:32:57,957 INFO L226 Difference]: Without dead ends: 64629 [2023-04-03 07:32:57,996 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 07:32:57,997 INFO L413 NwaCegarLoop]: 2979 mSDtfsCounter, 3323 mSDsluCounter, 5939 mSDsCounter, 0 mSdLazyCounter, 1130 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3329 SdHoareTripleChecker+Valid, 8918 SdHoareTripleChecker+Invalid, 1131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2023-04-03 07:32:57,997 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3329 Valid, 8918 Invalid, 1131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1130 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2023-04-03 07:32:58,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64629 states. [2023-04-03 07:33:02,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64629 to 64629. [2023-04-03 07:33:02,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64629 states, 35855 states have (on average 1.2225073211546507) internal successors, (43833), 37574 states have internal predecessors, (43833), 20980 states have call successors, (20980), 8034 states have call predecessors, (20980), 7791 states have return successors, (22082), 19849 states have call predecessors, (22082), 20975 states have call successors, (22082) [2023-04-03 07:33:02,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64629 states to 64629 states and 86895 transitions. [2023-04-03 07:33:02,274 INFO L78 Accepts]: Start accepts. Automaton has 64629 states and 86895 transitions. Word has length 248 [2023-04-03 07:33:02,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:33:02,275 INFO L495 AbstractCegarLoop]: Abstraction has 64629 states and 86895 transitions. [2023-04-03 07:33:02,275 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 4 states have internal predecessors, (76), 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 07:33:02,275 INFO L276 IsEmpty]: Start isEmpty. Operand 64629 states and 86895 transitions. [2023-04-03 07:33:02,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2023-04-03 07:33:02,278 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:33:02,278 INFO L195 NwaCegarLoop]: trace histogram [12, 8, 8, 8, 8, 8, 8, 8, 7, 7, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 07:33:02,278 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-04-03 07:33:02,278 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 07:33:02,278 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:33:02,278 INFO L85 PathProgramCache]: Analyzing trace with hash 2044792144, now seen corresponding path program 1 times [2023-04-03 07:33:02,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:33:02,279 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [338734161] [2023-04-03 07:33:02,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:33:02,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:33:02,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:33:02,718 INFO L134 CoverageAnalysis]: Checked inductivity of 427 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 406 trivial. 0 not checked. [2023-04-03 07:33:02,718 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:33:02,718 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [338734161] [2023-04-03 07:33:02,720 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [338734161] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:33:02,720 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:33:02,720 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 07:33:02,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1324764636] [2023-04-03 07:33:02,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:33:02,721 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 07:33:02,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:33:02,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 07:33:02,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 07:33:02,722 INFO L87 Difference]: Start difference. First operand 64629 states and 86895 transitions. Second operand has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (40), 3 states have call predecessors, (40), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2023-04-03 07:33:08,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:33:08,352 INFO L93 Difference]: Finished difference Result 64635 states and 86900 transitions. [2023-04-03 07:33:08,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 07:33:08,353 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (40), 3 states have call predecessors, (40), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 225 [2023-04-03 07:33:08,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:33:08,548 INFO L225 Difference]: With dead ends: 64635 [2023-04-03 07:33:08,548 INFO L226 Difference]: Without dead ends: 64633 [2023-04-03 07:33:08,572 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 07:33:08,573 INFO L413 NwaCegarLoop]: 2979 mSDtfsCounter, 3319 mSDsluCounter, 5939 mSDsCounter, 0 mSdLazyCounter, 1130 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3324 SdHoareTripleChecker+Valid, 8918 SdHoareTripleChecker+Invalid, 1131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2023-04-03 07:33:08,573 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3324 Valid, 8918 Invalid, 1131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1130 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2023-04-03 07:33:08,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64633 states. [2023-04-03 07:33:12,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64633 to 64633. [2023-04-03 07:33:12,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64633 states, 35858 states have (on average 1.2224887054492721) internal successors, (43836), 37577 states have internal predecessors, (43836), 20980 states have call successors, (20980), 8035 states have call predecessors, (20980), 7792 states have return successors, (22082), 19849 states have call predecessors, (22082), 20975 states have call successors, (22082) [2023-04-03 07:33:13,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64633 states to 64633 states and 86898 transitions. [2023-04-03 07:33:13,084 INFO L78 Accepts]: Start accepts. Automaton has 64633 states and 86898 transitions. Word has length 225 [2023-04-03 07:33:13,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:33:13,084 INFO L495 AbstractCegarLoop]: Abstraction has 64633 states and 86898 transitions. [2023-04-03 07:33:13,084 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (40), 3 states have call predecessors, (40), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2023-04-03 07:33:13,084 INFO L276 IsEmpty]: Start isEmpty. Operand 64633 states and 86898 transitions. [2023-04-03 07:33:13,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2023-04-03 07:33:13,087 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:33:13,087 INFO L195 NwaCegarLoop]: trace histogram [12, 9, 8, 8, 8, 8, 8, 8, 8, 8, 5, 5, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 07:33:13,087 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-04-03 07:33:13,087 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 07:33:13,087 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:33:13,087 INFO L85 PathProgramCache]: Analyzing trace with hash 1655591135, now seen corresponding path program 1 times [2023-04-03 07:33:13,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:33:13,088 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [706220652] [2023-04-03 07:33:13,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:33:13,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:33:13,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:33:13,375 INFO L134 CoverageAnalysis]: Checked inductivity of 464 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 446 trivial. 0 not checked. [2023-04-03 07:33:13,375 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:33:13,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [706220652] [2023-04-03 07:33:13,375 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [706220652] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:33:13,375 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:33:13,375 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 07:33:13,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [539390081] [2023-04-03 07:33:13,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:33:13,376 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 07:33:13,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:33:13,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 07:33:13,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 07:33:13,377 INFO L87 Difference]: Start difference. First operand 64633 states and 86898 transitions. Second operand has 5 states, 5 states have (on average 15.2) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (50), 3 states have call predecessors, (50), 2 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) [2023-04-03 07:33:18,467 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:33:22,771 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:33:23,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:33:23,303 INFO L93 Difference]: Finished difference Result 64639 states and 86903 transitions. [2023-04-03 07:33:23,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 07:33:23,304 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (50), 3 states have call predecessors, (50), 2 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) Word has length 258 [2023-04-03 07:33:23,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:33:23,544 INFO L225 Difference]: With dead ends: 64639 [2023-04-03 07:33:23,544 INFO L226 Difference]: Without dead ends: 64637 [2023-04-03 07:33:23,578 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 07:33:23,578 INFO L413 NwaCegarLoop]: 2979 mSDtfsCounter, 3323 mSDsluCounter, 5939 mSDsCounter, 0 mSdLazyCounter, 1128 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3327 SdHoareTripleChecker+Valid, 8918 SdHoareTripleChecker+Invalid, 1131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1128 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2023-04-03 07:33:23,578 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3327 Valid, 8918 Invalid, 1131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1128 Invalid, 2 Unknown, 0 Unchecked, 6.0s Time] [2023-04-03 07:33:23,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64637 states. [2023-04-03 07:33:28,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64637 to 64637. [2023-04-03 07:33:28,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64637 states, 35861 states have (on average 1.222470092858537) internal successors, (43839), 37580 states have internal predecessors, (43839), 20980 states have call successors, (20980), 8036 states have call predecessors, (20980), 7793 states have return successors, (22082), 19849 states have call predecessors, (22082), 20975 states have call successors, (22082) [2023-04-03 07:33:28,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64637 states to 64637 states and 86901 transitions. [2023-04-03 07:33:28,455 INFO L78 Accepts]: Start accepts. Automaton has 64637 states and 86901 transitions. Word has length 258 [2023-04-03 07:33:28,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:33:28,456 INFO L495 AbstractCegarLoop]: Abstraction has 64637 states and 86901 transitions. [2023-04-03 07:33:28,456 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (50), 3 states have call predecessors, (50), 2 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) [2023-04-03 07:33:28,456 INFO L276 IsEmpty]: Start isEmpty. Operand 64637 states and 86901 transitions. [2023-04-03 07:33:28,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2023-04-03 07:33:28,459 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:33:28,459 INFO L195 NwaCegarLoop]: trace histogram [12, 10, 9, 9, 8, 8, 8, 8, 8, 8, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 07:33:28,459 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-04-03 07:33:28,459 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 07:33:28,459 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:33:28,459 INFO L85 PathProgramCache]: Analyzing trace with hash -121759280, now seen corresponding path program 1 times [2023-04-03 07:33:28,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:33:28,460 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [477535717] [2023-04-03 07:33:28,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:33:28,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:33:28,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:33:28,690 INFO L134 CoverageAnalysis]: Checked inductivity of 491 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 466 trivial. 0 not checked. [2023-04-03 07:33:28,690 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:33:28,690 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [477535717] [2023-04-03 07:33:28,690 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [477535717] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:33:28,690 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:33:28,690 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 07:33:28,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1593313757] [2023-04-03 07:33:28,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:33:28,691 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 07:33:28,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:33:28,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 07:33:28,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 07:33:28,691 INFO L87 Difference]: Start difference. First operand 64637 states and 86901 transitions. Second operand has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 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 07:33:35,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:33:35,303 INFO L93 Difference]: Finished difference Result 64643 states and 86906 transitions. [2023-04-03 07:33:35,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 07:33:35,304 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 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 235 [2023-04-03 07:33:35,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:33:35,533 INFO L225 Difference]: With dead ends: 64643 [2023-04-03 07:33:35,534 INFO L226 Difference]: Without dead ends: 64641 [2023-04-03 07:33:35,561 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 07:33:35,562 INFO L413 NwaCegarLoop]: 2979 mSDtfsCounter, 3319 mSDsluCounter, 5939 mSDsCounter, 0 mSdLazyCounter, 1130 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3322 SdHoareTripleChecker+Valid, 8918 SdHoareTripleChecker+Invalid, 1131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2023-04-03 07:33:35,562 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3322 Valid, 8918 Invalid, 1131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1130 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2023-04-03 07:33:35,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64641 states. [2023-04-03 07:33:40,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64641 to 64641. [2023-04-03 07:33:40,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64641 states, 35864 states have (on average 1.222451483381664) internal successors, (43842), 37583 states have internal predecessors, (43842), 20980 states have call successors, (20980), 8037 states have call predecessors, (20980), 7794 states have return successors, (22082), 19849 states have call predecessors, (22082), 20975 states have call successors, (22082)