/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-alloc-spinlock_drivers-net-ethernet-fealnx.cil.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-03 06:55:14,812 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-03 06:55:14,814 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-03 06:55:14,835 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-03 06:55:14,835 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-03 06:55:14,837 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-03 06:55:14,840 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-03 06:55:14,841 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-03 06:55:14,842 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-03 06:55:14,846 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-03 06:55:14,847 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-03 06:55:14,848 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-03 06:55:14,848 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-03 06:55:14,851 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-03 06:55:14,853 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-03 06:55:14,853 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-03 06:55:14,854 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-03 06:55:14,854 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-03 06:55:14,856 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-03 06:55:14,859 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-03 06:55:14,860 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-03 06:55:14,861 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-03 06:55:14,861 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-03 06:55:14,862 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-03 06:55:14,868 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-03 06:55:14,868 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-03 06:55:14,868 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-03 06:55:14,869 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-03 06:55:14,869 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-03 06:55:14,869 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-03 06:55:14,870 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-03 06:55:14,870 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-03 06:55:14,871 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-03 06:55:14,872 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-03 06:55:14,872 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-03 06:55:14,872 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-03 06:55:14,873 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-03 06:55:14,873 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-03 06:55:14,873 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-03 06:55:14,873 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-03 06:55:14,874 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-03 06:55:14,875 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 06:55:14,900 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-03 06:55:14,900 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-03 06:55:14,901 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-03 06:55:14,901 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-03 06:55:14,901 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-03 06:55:14,901 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-03 06:55:14,902 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-03 06:55:14,902 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-03 06:55:14,902 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-03 06:55:14,902 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-03 06:55:14,902 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-03 06:55:14,902 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-03 06:55:14,903 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-03 06:55:14,903 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-03 06:55:14,903 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-03 06:55:14,903 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-03 06:55:14,903 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-03 06:55:14,903 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-03 06:55:14,903 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-03 06:55:14,903 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-03 06:55:14,903 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-03 06:55:14,904 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-03 06:55:14,904 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-03 06:55:14,904 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-03 06:55:14,904 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-03 06:55:14,904 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-03 06:55:14,904 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-03 06:55:14,904 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-03 06:55:14,904 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-03 06:55:14,904 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-03 06:55:14,904 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-03 06:55:14,904 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-03 06:55:14,905 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 06:55:14,905 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-03 06:55:14,905 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-03 06:55:14,905 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-03 06:55:14,905 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-03 06:55:14,905 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-03 06:55:14,905 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-03 06:55:14,905 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-03 06:55:14,905 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-03 06:55:14,905 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-03 06:55:15,076 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-03 06:55:15,100 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-03 06:55:15,101 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-03 06:55:15,102 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-03 06:55:15,104 INFO L275 PluginConnector]: CDTParser initialized [2023-04-03 06:55:15,105 INFO L432 ainManager$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-alloc-spinlock_drivers-net-ethernet-fealnx.cil.i [2023-04-03 06:55:16,099 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-03 06:55:16,471 INFO L351 CDTParser]: Found 1 translation units. [2023-04-03 06:55:16,471 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-fealnx.cil.i [2023-04-03 06:55:16,494 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3a4b01d1c/88fd41a663894575b0ce5c8d7e2054c6/FLAGbe3cc7634 [2023-04-03 06:55:16,504 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3a4b01d1c/88fd41a663894575b0ce5c8d7e2054c6 [2023-04-03 06:55:16,506 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-03 06:55:16,507 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-03 06:55:16,509 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-03 06:55:16,509 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-03 06:55:16,511 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-03 06:55:16,512 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 06:55:16" (1/1) ... [2023-04-03 06:55:16,512 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3cd618d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 06:55:16, skipping insertion in model container [2023-04-03 06:55:16,513 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 06:55:16" (1/1) ... [2023-04-03 06:55:16,517 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-03 06:55:16,593 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-03 06:55:18,229 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-alloc-spinlock_drivers-net-ethernet-fealnx.cil.i[320486,320499] [2023-04-03 06:55:18,233 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-alloc-spinlock_drivers-net-ethernet-fealnx.cil.i[320631,320644] [2023-04-03 06:55:18,247 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 06:55:18,274 INFO L203 MainTranslator]: Completed pre-run [2023-04-03 06:55:18,527 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-alloc-spinlock_drivers-net-ethernet-fealnx.cil.i[320486,320499] [2023-04-03 06:55:18,528 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-alloc-spinlock_drivers-net-ethernet-fealnx.cil.i[320631,320644] [2023-04-03 06:55:18,531 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 06:55:18,687 WARN L667 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-04-03 06:55:18,692 INFO L208 MainTranslator]: Completed translation [2023-04-03 06:55:18,693 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 06:55:18 WrapperNode [2023-04-03 06:55:18,693 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-03 06:55:18,694 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-03 06:55:18,694 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-03 06:55:18,694 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-03 06:55:18,702 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 06:55:18" (1/1) ... [2023-04-03 06:55:18,703 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 06:55:18" (1/1) ... [2023-04-03 06:55:18,771 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 06:55:18" (1/1) ... [2023-04-03 06:55:18,772 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 06:55:18" (1/1) ... [2023-04-03 06:55:18,850 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 06:55:18" (1/1) ... [2023-04-03 06:55:18,865 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 06:55:18" (1/1) ... [2023-04-03 06:55:18,894 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 06:55:18" (1/1) ... [2023-04-03 06:55:18,913 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 06:55:18" (1/1) ... [2023-04-03 06:55:18,947 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-03 06:55:18,948 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-03 06:55:18,950 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-03 06:55:18,950 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-03 06:55:18,950 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 06:55:18" (1/1) ... [2023-04-03 06:55:18,955 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 06:55:18,963 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 06:55:18,978 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 06:55:18,998 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 06:55:19,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-03 06:55:19,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-03 06:55:19,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2023-04-03 06:55:19,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2023-04-03 06:55:19,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2023-04-03 06:55:19,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~gfp_t~0~X~$Pointer$~TO~$Pointer$ [2023-04-03 06:55:19,011 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 06:55:19,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2023-04-03 06:55:19,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-04-03 06:55:19,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-04-03 06:55:19,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-04-03 06:55:19,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2023-04-03 06:55:19,011 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-04-03 06:55:19,011 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-04-03 06:55:19,011 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2023-04-03 06:55:19,011 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-04-03 06:55:19,011 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2023-04-03 06:55:19,011 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2023-04-03 06:55:19,012 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-04-03 06:55:19,012 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-04-03 06:55:19,012 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2023-04-03 06:55:19,012 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-04-03 06:55:19,012 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2023-04-03 06:55:19,012 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-04-03 06:55:19,012 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2023-04-03 06:55:19,012 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2023-04-03 06:55:19,012 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2023-04-03 06:55:19,012 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-04-03 06:55:19,012 INFO L138 BoogieDeclarations]: Found implementation of procedure is_device_dma_capable [2023-04-03 06:55:19,012 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-04-03 06:55:19,012 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2023-04-03 06:55:19,013 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2023-04-03 06:55:19,013 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_sync_single_for_cpu [2023-04-03 06:55:19,013 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_sync_single_for_device [2023-04-03 06:55:19,013 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_coherent_mask [2023-04-03 06:55:19,013 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_coherent_gfp_flags [2023-04-03 06:55:19,013 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2023-04-03 06:55:19,013 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2023-04-03 06:55:19,013 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2023-04-03 06:55:19,013 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2023-04-03 06:55:19,013 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_to_linear_data [2023-04-03 06:55:19,013 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-04-03 06:55:19,013 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-04-03 06:55:19,013 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2023-04-03 06:55:19,014 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2023-04-03 06:55:19,014 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2023-04-03 06:55:19,014 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-04-03 06:55:19,014 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2023-04-03 06:55:19,014 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-04-03 06:55:19,014 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2023-04-03 06:55:19,014 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2023-04-03 06:55:19,014 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2023-04-03 06:55:19,014 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2023-04-03 06:55:19,014 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2023-04-03 06:55:19,014 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2023-04-03 06:55:19,014 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2023-04-03 06:55:19,014 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_cpu [2023-04-03 06:55:19,015 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_device [2023-04-03 06:55:19,015 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-04-03 06:55:19,015 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2023-04-03 06:55:19,015 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2023-04-03 06:55:19,015 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2023-04-03 06:55:19,015 INFO L138 BoogieDeclarations]: Found implementation of procedure if_mii [2023-04-03 06:55:19,015 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_nic_rx [2023-04-03 06:55:19,015 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_nic_rxtx [2023-04-03 06:55:19,015 INFO L138 BoogieDeclarations]: Found implementation of procedure fealnx_init_one [2023-04-03 06:55:19,015 INFO L138 BoogieDeclarations]: Found implementation of procedure fealnx_remove_one [2023-04-03 06:55:19,015 INFO L138 BoogieDeclarations]: Found implementation of procedure m80x_send_cmd_to_phy [2023-04-03 06:55:19,015 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2023-04-03 06:55:19,015 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_write [2023-04-03 06:55:19,015 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_open [2023-04-03 06:55:19,015 INFO L138 BoogieDeclarations]: Found implementation of procedure getlinkstatus [2023-04-03 06:55:19,016 INFO L138 BoogieDeclarations]: Found implementation of procedure getlinktype [2023-04-03 06:55:19,016 INFO L138 BoogieDeclarations]: Found implementation of procedure allocate_rx_buffers [2023-04-03 06:55:19,016 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_timer [2023-04-03 06:55:19,016 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_and_disable_rxtx [2023-04-03 06:55:19,016 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_rxtx [2023-04-03 06:55:19,016 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_timer [2023-04-03 06:55:19,016 INFO L138 BoogieDeclarations]: Found implementation of procedure fealnx_tx_timeout [2023-04-03 06:55:19,016 INFO L138 BoogieDeclarations]: Found implementation of procedure init_ring [2023-04-03 06:55:19,016 INFO L138 BoogieDeclarations]: Found implementation of procedure start_tx [2023-04-03 06:55:19,016 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_tx_descriptors [2023-04-03 06:55:19,016 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_rx_descriptors [2023-04-03 06:55:19,016 INFO L138 BoogieDeclarations]: Found implementation of procedure intr_handler [2023-04-03 06:55:19,017 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_rx [2023-04-03 06:55:19,017 INFO L138 BoogieDeclarations]: Found implementation of procedure get_stats [2023-04-03 06:55:19,017 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2023-04-03 06:55:19,017 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_rx_mode [2023-04-03 06:55:19,017 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_drvinfo [2023-04-03 06:55:19,017 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_settings [2023-04-03 06:55:19,017 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_set_settings [2023-04-03 06:55:19,017 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_nway_reset [2023-04-03 06:55:19,017 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_link [2023-04-03 06:55:19,017 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_msglevel [2023-04-03 06:55:19,017 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_set_msglevel [2023-04-03 06:55:19,017 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ioctl [2023-04-03 06:55:19,017 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_close [2023-04-03 06:55:19,017 INFO L138 BoogieDeclarations]: Found implementation of procedure fealnx_init [2023-04-03 06:55:19,017 INFO L138 BoogieDeclarations]: Found implementation of procedure fealnx_exit [2023-04-03 06:55:19,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_fealnx_exit_14_2 [2023-04-03 06:55:19,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_init_fealnx_init_14_9 [2023-04-03 06:55:19,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___pci_register_driver [2023-04-03 06:55:19,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_etherdev_mqs [2023-04-03 06:55:19,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_allocate_external_0 [2023-04-03 06:55:19,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2023-04-03 06:55:19,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_deregister_11_1 [2023-04-03 06:55:19,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_deregister_12_1 [2023-04-03 06:55:19,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_deregister_dummy_factory_14_14_4 [2023-04-03 06:55:19,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_instance_deregister_6_1 [2023-04-03 06:55:19,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_instance_register_4_3 [2023-04-03 06:55:19,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_irq_deregister_7_1 [2023-04-03 06:55:19,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_irq_register_10_2 [2023-04-03 06:55:19,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_13_2 [2023-04-03 06:55:19,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_9_4 [2023-04-03 06:55:19,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_dummy_factory_14_14_5 [2023-04-03 06:55:19,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_10 [2023-04-03 06:55:19,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_13 [2023-04-03 06:55:19,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_16 [2023-04-03 06:55:19,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_17 [2023-04-03 06:55:19,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_18 [2023-04-03 06:55:19,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_19 [2023-04-03 06:55:19,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_20 [2023-04-03 06:55:19,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_21 [2023-04-03 06:55:19,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_22 [2023-04-03 06:55:19,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_23 [2023-04-03 06:55:19,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_26 [2023-04-03 06:55:19,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_3 [2023-04-03 06:55:19,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_7 [2023-04-03 06:55:19,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_8 [2023-04-03 06:55:19,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_9 [2023-04-03 06:55:19,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_entry_EMGentry_14 [2023-04-03 06:55:19,020 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-03 06:55:19,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2023-04-03 06:55:19,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-04-03 06:55:19,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_external_data [2023-04-03 06:55:19,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_instance_handler_0_5 [2023-04-03 06:55:19,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_instance_thread_0_3 [2023-04-03 06:55:19,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_0 [2023-04-03 06:55:19,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_net_dummy_resourceless_instance_1 [2023-04-03 06:55:19,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_instance_probe_2_17 [2023-04-03 06:55:19,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_instance_release_2_2 [2023-04-03 06:55:19,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_instance_resume_2_5 [2023-04-03 06:55:19,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_instance_resume_early_2_6 [2023-04-03 06:55:19,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_instance_shutdown_2_3 [2023-04-03 06:55:19,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_instance_suspend_2_8 [2023-04-03 06:55:19,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_instance_suspend_late_2_7 [2023-04-03 06:55:19,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_pci_instance_2 [2023-04-03 06:55:19,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_unregister_driver [2023-04-03 06:55:19,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev [2023-04-03 06:55:19,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_open_9_6 [2023-04-03 06:55:19,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2023-04-03 06:55:19,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-04-03 06:55:19,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-04-03 06:55:19,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_1 [2023-04-03 06:55:19,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_6 [2023-04-03 06:55:19,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_1 [2023-04-03 06:55:19,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_5 [2023-04-03 06:55:19,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_2_11 [2023-04-03 06:55:19,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_2_20 [2023-04-03 06:55:19,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_3_1 [2023-04-03 06:55:19,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_3_3 [2023-04-03 06:55:19,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_4_1 [2023-04-03 06:55:19,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_4_4 [2023-04-03 06:55:19,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_dummy_factory_4 [2023-04-03 06:55:19,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_instance_callback_3_2 [2023-04-03 06:55:19,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_timer_instance_3 [2023-04-03 06:55:19,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2023-04-03 06:55:19,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_stop_11_2 [2023-04-03 06:55:19,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_57 [2023-04-03 06:55:19,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata_81 [2023-04-03 06:55:19,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata_82 [2023-04-03 06:55:19,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_etherdev_mqs_83 [2023-04-03 06:55:19,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_84 [2023-04-03 06:55:19,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_85 [2023-04-03 06:55:19,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_86 [2023-04-03 06:55:19,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_87 [2023-04-03 06:55:19,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_88 [2023-04-03 06:55:19,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_89 [2023-04-03 06:55:19,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_90 [2023-04-03 06:55:19,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_91 [2023-04-03 06:55:19,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_93 [2023-04-03 06:55:19,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_95 [2023-04-03 06:55:19,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_97 [2023-04-03 06:55:19,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_98 [2023-04-03 06:55:19,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_99 [2023-04-03 06:55:19,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_100 [2023-04-03 06:55:19,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_101 [2023-04-03 06:55:19,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_102 [2023-04-03 06:55:19,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync_107 [2023-04-03 06:55:19,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync_108 [2023-04-03 06:55:19,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_109 [2023-04-03 06:55:19,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___pci_register_driver_110 [2023-04-03 06:55:19,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_unregister_driver_111 [2023-04-03 06:55:19,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-04-03 06:55:19,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2023-04-03 06:55:19,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2023-04-03 06:55:19,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-04-03 06:55:19,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spi_alloc_master [2023-04-03 06:55:19,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-04-03 06:55:19,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2023-04-03 06:55:19,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2023-04-03 06:55:19,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2023-04-03 06:55:19,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-04-03 06:55:19,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_init [2023-04-03 06:55:19,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2023-04-03 06:55:19,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-04-03 06:55:19,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kzalloc [2023-04-03 06:55:19,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-04-03 06:55:19,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-04-03 06:55:19,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-04-03 06:55:19,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2023-04-03 06:55:19,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-04-03 06:55:19,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc [2023-04-03 06:55:19,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-04-03 06:55:19,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-04-03 06:55:19,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-04-03 06:55:19,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xzalloc [2023-04-03 06:55:19,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-04-03 06:55:19,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2023-04-03 06:55:19,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_negative [2023-04-03 06:55:19,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_nonpositive [2023-04-03 06:55:19,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_create [2023-04-03 06:55:19,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_create_N [2023-04-03 06:55:19,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_join [2023-04-03 06:55:19,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_join_N [2023-04-03 06:55:19,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock__xmit_lock_of_netdev_queue [2023-04-03 06:55:19,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock__xmit_lock_of_netdev_queue [2023-04-03 06:55:19,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock__xmit_lock_of_netdev_queue [2023-04-03 06:55:19,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait__xmit_lock_of_netdev_queue [2023-04-03 06:55:19,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked__xmit_lock_of_netdev_queue [2023-04-03 06:55:19,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock__xmit_lock_of_netdev_queue [2023-04-03 06:55:19,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended__xmit_lock_of_netdev_queue [2023-04-03 06:55:19,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock__xmit_lock_of_netdev_queue [2023-04-03 06:55:19,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_addr_list_lock_of_net_device [2023-04-03 06:55:19,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_addr_list_lock_of_net_device [2023-04-03 06:55:19,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_addr_list_lock_of_net_device [2023-04-03 06:55:19,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_addr_list_lock_of_net_device [2023-04-03 06:55:19,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_addr_list_lock_of_net_device [2023-04-03 06:55:19,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_addr_list_lock_of_net_device [2023-04-03 06:55:19,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_addr_list_lock_of_net_device [2023-04-03 06:55:19,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_addr_list_lock_of_net_device [2023-04-03 06:55:19,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_alloc_lock_of_task_struct [2023-04-03 06:55:19,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_alloc_lock_of_task_struct [2023-04-03 06:55:19,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_alloc_lock_of_task_struct [2023-04-03 06:55:19,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_alloc_lock_of_task_struct [2023-04-03 06:55:19,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_alloc_lock_of_task_struct [2023-04-03 06:55:19,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_alloc_lock_of_task_struct [2023-04-03 06:55:19,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_alloc_lock_of_task_struct [2023-04-03 06:55:19,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_alloc_lock_of_task_struct [2023-04-03 06:55:19,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_i_lock_of_inode [2023-04-03 06:55:19,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_i_lock_of_inode [2023-04-03 06:55:19,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_i_lock_of_inode [2023-04-03 06:55:19,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_i_lock_of_inode [2023-04-03 06:55:19,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_i_lock_of_inode [2023-04-03 06:55:19,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_i_lock_of_inode [2023-04-03 06:55:19,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_i_lock_of_inode [2023-04-03 06:55:19,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_i_lock_of_inode [2023-04-03 06:55:19,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock [2023-04-03 06:55:19,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock [2023-04-03 06:55:19,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_lock [2023-04-03 06:55:19,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_lock [2023-04-03 06:55:19,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_lock [2023-04-03 06:55:19,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_lock [2023-04-03 06:55:19,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_lock [2023-04-03 06:55:19,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_lock [2023-04-03 06:55:19,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_NOT_ARG_SIGN [2023-04-03 06:55:19,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_NOT_ARG_SIGN [2023-04-03 06:55:19,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_lock_of_NOT_ARG_SIGN [2023-04-03 06:55:19,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_lock_of_NOT_ARG_SIGN [2023-04-03 06:55:19,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_lock_of_NOT_ARG_SIGN [2023-04-03 06:55:19,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_lock_of_NOT_ARG_SIGN [2023-04-03 06:55:19,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_lock_of_NOT_ARG_SIGN [2023-04-03 06:55:19,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_lock_of_NOT_ARG_SIGN [2023-04-03 06:55:19,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_netdev_private [2023-04-03 06:55:19,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_netdev_private [2023-04-03 06:55:19,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_lock_of_netdev_private [2023-04-03 06:55:19,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_lock_of_netdev_private [2023-04-03 06:55:19,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_lock_of_netdev_private [2023-04-03 06:55:19,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_lock_of_netdev_private [2023-04-03 06:55:19,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_lock_of_netdev_private [2023-04-03 06:55:19,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_lock_of_netdev_private [2023-04-03 06:55:19,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lp [2023-04-03 06:55:19,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lp [2023-04-03 06:55:19,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_lp [2023-04-03 06:55:19,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_lp [2023-04-03 06:55:19,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_lp [2023-04-03 06:55:19,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_lp [2023-04-03 06:55:19,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_lp [2023-04-03 06:55:19,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_lp [2023-04-03 06:55:19,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lru_lock_of_netns_frags [2023-04-03 06:55:19,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lru_lock_of_netns_frags [2023-04-03 06:55:19,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_lru_lock_of_netns_frags [2023-04-03 06:55:19,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_lru_lock_of_netns_frags [2023-04-03 06:55:19,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_lru_lock_of_netns_frags [2023-04-03 06:55:19,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_lru_lock_of_netns_frags [2023-04-03 06:55:19,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_lru_lock_of_netns_frags [2023-04-03 06:55:19,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_lru_lock_of_netns_frags [2023-04-03 06:55:19,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_node_size_lock_of_pglist_data [2023-04-03 06:55:19,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_node_size_lock_of_pglist_data [2023-04-03 06:55:19,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_node_size_lock_of_pglist_data [2023-04-03 06:55:19,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_node_size_lock_of_pglist_data [2023-04-03 06:55:19,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_node_size_lock_of_pglist_data [2023-04-03 06:55:19,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_node_size_lock_of_pglist_data [2023-04-03 06:55:19,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_node_size_lock_of_pglist_data [2023-04-03 06:55:19,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_node_size_lock_of_pglist_data [2023-04-03 06:55:19,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_ptl [2023-04-03 06:55:19,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_ptl [2023-04-03 06:55:19,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_ptl [2023-04-03 06:55:19,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_ptl [2023-04-03 06:55:19,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_ptl [2023-04-03 06:55:19,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_ptl [2023-04-03 06:55:19,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_ptl [2023-04-03 06:55:19,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_ptl [2023-04-03 06:55:19,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_siglock_of_sighand_struct [2023-04-03 06:55:19,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_siglock_of_sighand_struct [2023-04-03 06:55:19,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_siglock_of_sighand_struct [2023-04-03 06:55:19,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_siglock_of_sighand_struct [2023-04-03 06:55:19,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_siglock_of_sighand_struct [2023-04-03 06:55:19,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_siglock_of_sighand_struct [2023-04-03 06:55:19,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_siglock_of_sighand_struct [2023-04-03 06:55:19,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_siglock_of_sighand_struct [2023-04-03 06:55:19,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_tx_global_lock_of_net_device [2023-04-03 06:55:19,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_tx_global_lock_of_net_device [2023-04-03 06:55:19,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_tx_global_lock_of_net_device [2023-04-03 06:55:19,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_tx_global_lock_of_net_device [2023-04-03 06:55:19,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_tx_global_lock_of_net_device [2023-04-03 06:55:19,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_tx_global_lock_of_net_device [2023-04-03 06:55:19,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_tx_global_lock_of_net_device [2023-04-03 06:55:19,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_tx_global_lock_of_net_device [2023-04-03 06:55:19,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-04-03 06:55:19,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2023-04-03 06:55:19,033 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-03 06:55:19,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_alloc_spinlock__nonatomic [2023-04-03 06:55:19,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_alloc_spinlock__wrong_flags [2023-04-03 06:55:19,033 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-04-03 06:55:19,033 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_any [2023-04-03 06:55:19,033 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_irq [2023-04-03 06:55:19,033 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2023-04-03 06:55:19,033 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2023-04-03 06:55:19,033 INFO L138 BoogieDeclarations]: Found implementation of procedure __pci_register_driver [2023-04-03 06:55:19,033 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-04-03 06:55:19,033 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-04-03 06:55:19,033 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2023-04-03 06:55:19,034 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2023-04-03 06:55:19,034 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irq [2023-04-03 06:55:19,034 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2023-04-03 06:55:19,034 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irq [2023-04-03 06:55:19,034 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2023-04-03 06:55:19,034 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2023-04-03 06:55:19,034 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_etherdev_mqs [2023-04-03 06:55:19,034 INFO L138 BoogieDeclarations]: Found implementation of procedure bitrev32 [2023-04-03 06:55:19,034 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2023-04-03 06:55:19,034 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2023-04-03 06:55:19,034 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_alloc_coherent [2023-04-03 06:55:19,034 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_free_coherent [2023-04-03 06:55:19,034 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2023-04-03 06:55:19,034 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_sync_single_for_cpu [2023-04-03 06:55:19,034 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_sync_single_for_device [2023-04-03 06:55:19,034 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2023-04-03 06:55:19,034 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2023-04-03 06:55:19,035 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-04-03 06:55:19,035 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2023-04-03 06:55:19,035 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2023-04-03 06:55:19,035 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2023-04-03 06:55:19,035 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2023-04-03 06:55:19,035 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-04-03 06:55:19,035 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-04-03 06:55:19,035 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-04-03 06:55:19,035 INFO L138 BoogieDeclarations]: Found implementation of procedure generic_mii_ioctl [2023-04-03 06:55:19,035 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2023-04-03 06:55:19,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2023-04-03 06:55:19,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2023-04-03 06:55:19,035 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2023-04-03 06:55:19,035 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2023-04-03 06:55:19,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2023-04-03 06:55:19,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2023-04-03 06:55:19,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2023-04-03 06:55:19,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2023-04-03 06:55:19,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_register_netdev [2023-04-03 06:55:19,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-04-03 06:55:19,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-04-03 06:55:19,036 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ethtool_gset [2023-04-03 06:55:19,036 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ethtool_sset [2023-04-03 06:55:19,036 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_link_ok [2023-04-03 06:55:19,036 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_nway_restart [2023-04-03 06:55:19,036 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2023-04-03 06:55:19,036 INFO L138 BoogieDeclarations]: Found implementation of procedure netpoll_trap [2023-04-03 06:55:19,036 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2023-04-03 06:55:19,037 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2023-04-03 06:55:19,037 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2023-04-03 06:55:19,037 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-04-03 06:55:19,037 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_request_regions [2023-04-03 06:55:19,037 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2023-04-03 06:55:19,037 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2023-04-03 06:55:19,037 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-04-03 06:55:19,037 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2023-04-03 06:55:19,037 INFO L138 BoogieDeclarations]: Found implementation of procedure request_threaded_irq [2023-04-03 06:55:19,037 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2023-04-03 06:55:19,037 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-04-03 06:55:19,037 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2023-04-03 06:55:19,037 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-04-03 06:55:19,037 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-04-03 06:55:19,037 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-04-03 06:55:19,038 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-04-03 06:55:19,038 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-04-03 06:55:19,038 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-04-03 06:55:19,038 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2023-04-03 06:55:19,038 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_init [2023-04-03 06:55:19,038 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2023-04-03 06:55:19,038 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2023-04-03 06:55:19,038 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-04-03 06:55:19,038 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_register_netdev [2023-04-03 06:55:19,038 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-04-03 06:55:19,038 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-04-03 06:55:19,038 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-04-03 06:55:19,038 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-04-03 06:55:19,038 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-04-03 06:55:19,038 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-04-03 06:55:19,038 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-04-03 06:55:19,038 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2023-04-03 06:55:19,039 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-04-03 06:55:19,039 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-04-03 06:55:19,039 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-04-03 06:55:19,039 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2023-04-03 06:55:19,039 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-04-03 06:55:19,039 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-03 06:55:19,039 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-04-03 06:55:19,039 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-04-03 06:55:19,039 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-04-03 06:55:19,039 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2023-04-03 06:55:19,039 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2023-04-03 06:55:19,039 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-04-03 06:55:19,039 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-04-03 06:55:19,039 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2023-04-03 06:55:19,039 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-03 06:55:19,040 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2023-04-03 06:55:19,040 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2023-04-03 06:55:19,040 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_89 [2023-04-03 06:55:19,040 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_91 [2023-04-03 06:55:19,040 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_93 [2023-04-03 06:55:19,040 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_95 [2023-04-03 06:55:19,040 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_99 [2023-04-03 06:55:19,040 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_netdev_private [2023-04-03 06:55:19,040 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_netdev_private [2023-04-03 06:55:19,040 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lp [2023-04-03 06:55:19,040 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lp [2023-04-03 06:55:19,040 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-04-03 06:55:19,040 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-04-03 06:55:19,040 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-04-03 06:55:19,040 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2023-04-03 06:55:19,040 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irq [2023-04-03 06:55:19,041 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2023-04-03 06:55:19,041 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irq [2023-04-03 06:55:19,041 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2023-04-03 06:55:19,041 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-04-03 06:55:19,041 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-04-03 06:55:19,041 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_97 [2023-04-03 06:55:19,041 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2023-04-03 06:55:19,041 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_101 [2023-04-03 06:55:19,041 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-04-03 06:55:19,041 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_98 [2023-04-03 06:55:19,041 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2023-04-03 06:55:19,041 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_102 [2023-04-03 06:55:19,041 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-04-03 06:55:19,041 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_90 [2023-04-03 06:55:19,041 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_100 [2023-04-03 06:55:19,041 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2023-04-03 06:55:19,041 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2023-04-03 06:55:19,042 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2023-04-03 06:55:19,042 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync_107 [2023-04-03 06:55:19,042 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync_108 [2023-04-03 06:55:19,042 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2023-04-03 06:55:19,042 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2023-04-03 06:55:19,042 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2023-04-03 06:55:19,042 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2023-04-03 06:55:19,042 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2023-04-03 06:55:19,042 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2023-04-03 06:55:19,042 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2023-04-03 06:55:19,042 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2023-04-03 06:55:19,042 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata_81 [2023-04-03 06:55:19,042 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata_82 [2023-04-03 06:55:19,042 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-04-03 06:55:19,042 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2023-04-03 06:55:19,042 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2023-04-03 06:55:19,042 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-04-03 06:55:19,043 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2023-04-03 06:55:19,043 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-04-03 06:55:19,043 INFO L130 BoogieDeclarations]: Found specification of procedure is_device_dma_capable [2023-04-03 06:55:19,043 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2023-04-03 06:55:19,043 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2023-04-03 06:55:19,043 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_alloc_coherent [2023-04-03 06:55:19,043 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_free_coherent [2023-04-03 06:55:19,043 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_sync_single_for_cpu [2023-04-03 06:55:19,043 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_sync_single_for_device [2023-04-03 06:55:19,043 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-04-03 06:55:19,043 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2023-04-03 06:55:19,043 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 06:55:19,043 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2023-04-03 06:55:19,043 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 06:55:19,043 INFO L130 BoogieDeclarations]: Found specification of procedure dma_sync_single_for_cpu [2023-04-03 06:55:19,043 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2023-04-03 06:55:19,043 INFO L130 BoogieDeclarations]: Found specification of procedure dma_sync_single_for_device [2023-04-03 06:55:19,044 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_coherent_mask [2023-04-03 06:55:19,044 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_coherent_gfp_flags [2023-04-03 06:55:19,044 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2023-04-03 06:55:19,044 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~gfp_t~0~X~$Pointer$~TO~$Pointer$ [2023-04-03 06:55:19,044 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2023-04-03 06:55:19,044 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-03 06:55:19,044 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 06:55:19,044 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2023-04-03 06:55:19,044 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2023-04-03 06:55:19,044 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2023-04-03 06:55:19,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-03 06:55:19,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-03 06:55:19,044 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-04-03 06:55:19,044 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_57 [2023-04-03 06:55:19,044 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2023-04-03 06:55:19,044 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_to_linear_data [2023-04-03 06:55:19,045 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-04-03 06:55:19,045 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-04-03 06:55:19,045 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-04-03 06:55:19,045 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-04-03 06:55:19,045 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_85 [2023-04-03 06:55:19,045 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_87 [2023-04-03 06:55:19,045 INFO L130 BoogieDeclarations]: Found specification of procedure netpoll_trap [2023-04-03 06:55:19,045 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2023-04-03 06:55:19,045 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2023-04-03 06:55:19,045 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2023-04-03 06:55:19,045 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2023-04-03 06:55:19,045 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-04-03 06:55:19,045 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2023-04-03 06:55:19,045 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-04-03 06:55:19,045 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2023-04-03 06:55:19,045 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_irq [2023-04-03 06:55:19,046 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_any [2023-04-03 06:55:19,046 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2023-04-03 06:55:19,046 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2023-04-03 06:55:19,046 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2023-04-03 06:55:19,046 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2023-04-03 06:55:19,046 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_84 [2023-04-03 06:55:19,046 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2023-04-03 06:55:19,046 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_86 [2023-04-03 06:55:19,046 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2023-04-03 06:55:19,046 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2023-04-03 06:55:19,046 INFO L130 BoogieDeclarations]: Found specification of procedure pci_request_regions [2023-04-03 06:55:19,046 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-04-03 06:55:19,046 INFO L130 BoogieDeclarations]: Found specification of procedure __pci_register_driver [2023-04-03 06:55:19,046 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___pci_register_driver_110 [2023-04-03 06:55:19,046 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2023-04-03 06:55:19,046 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_unregister_driver_111 [2023-04-03 06:55:19,046 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2023-04-03 06:55:19,046 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2023-04-03 06:55:19,046 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2023-04-03 06:55:19,046 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2023-04-03 06:55:19,046 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_cpu [2023-04-03 06:55:19,046 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_device [2023-04-03 06:55:19,047 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-04-03 06:55:19,047 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2023-04-03 06:55:19,047 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2023-04-03 06:55:19,047 INFO L130 BoogieDeclarations]: Found specification of procedure request_threaded_irq [2023-04-03 06:55:19,047 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2023-04-03 06:55:19,047 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_88 [2023-04-03 06:55:19,047 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-04-03 06:55:19,047 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_109 [2023-04-03 06:55:19,047 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2023-04-03 06:55:19,047 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2023-04-03 06:55:19,047 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2023-04-03 06:55:19,047 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-04-03 06:55:19,047 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_etherdev_mqs [2023-04-03 06:55:19,047 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_etherdev_mqs_83 [2023-04-03 06:55:19,047 INFO L130 BoogieDeclarations]: Found specification of procedure mii_link_ok [2023-04-03 06:55:19,047 INFO L130 BoogieDeclarations]: Found specification of procedure mii_nway_restart [2023-04-03 06:55:19,047 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ethtool_gset [2023-04-03 06:55:19,047 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ethtool_sset [2023-04-03 06:55:19,047 INFO L130 BoogieDeclarations]: Found specification of procedure generic_mii_ioctl [2023-04-03 06:55:19,047 INFO L130 BoogieDeclarations]: Found specification of procedure if_mii [2023-04-03 06:55:19,047 INFO L130 BoogieDeclarations]: Found specification of procedure bitrev32 [2023-04-03 06:55:19,047 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2023-04-03 06:55:19,047 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2023-04-03 06:55:19,048 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_write [2023-04-03 06:55:19,048 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_open [2023-04-03 06:55:19,048 INFO L130 BoogieDeclarations]: Found specification of procedure getlinktype [2023-04-03 06:55:19,048 INFO L130 BoogieDeclarations]: Found specification of procedure getlinkstatus [2023-04-03 06:55:19,048 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_timer [2023-04-03 06:55:19,048 INFO L130 BoogieDeclarations]: Found specification of procedure reset_timer [2023-04-03 06:55:19,048 INFO L130 BoogieDeclarations]: Found specification of procedure fealnx_tx_timeout [2023-04-03 06:55:19,048 INFO L130 BoogieDeclarations]: Found specification of procedure init_ring [2023-04-03 06:55:19,048 INFO L130 BoogieDeclarations]: Found specification of procedure start_tx [2023-04-03 06:55:19,048 INFO L130 BoogieDeclarations]: Found specification of procedure intr_handler [2023-04-03 06:55:19,048 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_rx [2023-04-03 06:55:19,048 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2023-04-03 06:55:19,048 INFO L130 BoogieDeclarations]: Found specification of procedure __set_rx_mode [2023-04-03 06:55:19,048 INFO L130 BoogieDeclarations]: Found specification of procedure get_stats [2023-04-03 06:55:19,048 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ioctl [2023-04-03 06:55:19,048 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_close [2023-04-03 06:55:19,048 INFO L130 BoogieDeclarations]: Found specification of procedure reset_rx_descriptors [2023-04-03 06:55:19,048 INFO L130 BoogieDeclarations]: Found specification of procedure reset_tx_descriptors [2023-04-03 06:55:19,048 INFO L130 BoogieDeclarations]: Found specification of procedure stop_nic_rx [2023-04-03 06:55:19,048 INFO L130 BoogieDeclarations]: Found specification of procedure stop_nic_rxtx [2023-04-03 06:55:19,048 INFO L130 BoogieDeclarations]: Found specification of procedure fealnx_init_one [2023-04-03 06:55:19,048 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-04-03 06:55:19,048 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-03 06:55:19,049 INFO L130 BoogieDeclarations]: Found specification of procedure fealnx_remove_one [2023-04-03 06:55:19,049 INFO L130 BoogieDeclarations]: Found specification of procedure m80x_send_cmd_to_phy [2023-04-03 06:55:19,049 INFO L130 BoogieDeclarations]: Found specification of procedure allocate_rx_buffers [2023-04-03 06:55:19,049 INFO L130 BoogieDeclarations]: Found specification of procedure reset_and_disable_rxtx [2023-04-03 06:55:19,049 INFO L130 BoogieDeclarations]: Found specification of procedure enable_rxtx [2023-04-03 06:55:19,049 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-04-03 06:55:19,049 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_drvinfo [2023-04-03 06:55:19,049 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_settings [2023-04-03 06:55:19,049 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_set_settings [2023-04-03 06:55:19,049 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_nway_reset [2023-04-03 06:55:19,049 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_link [2023-04-03 06:55:19,049 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_msglevel [2023-04-03 06:55:19,049 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_set_msglevel [2023-04-03 06:55:19,049 INFO L130 BoogieDeclarations]: Found specification of procedure fealnx_init [2023-04-03 06:55:19,049 INFO L130 BoogieDeclarations]: Found specification of procedure fealnx_exit [2023-04-03 06:55:19,049 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_fealnx_exit_14_2 [2023-04-03 06:55:19,049 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_init_fealnx_init_14_9 [2023-04-03 06:55:19,049 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___pci_register_driver [2023-04-03 06:55:19,049 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_etherdev_mqs [2023-04-03 06:55:19,049 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_allocate_external_0 [2023-04-03 06:55:19,049 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2023-04-03 06:55:19,049 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_deregister_11_1 [2023-04-03 06:55:19,049 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_deregister_12_1 [2023-04-03 06:55:19,050 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_deregister_dummy_factory_14_14_4 [2023-04-03 06:55:19,050 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_instance_deregister_6_1 [2023-04-03 06:55:19,050 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_instance_register_4_3 [2023-04-03 06:55:19,050 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_irq_deregister_7_1 [2023-04-03 06:55:19,050 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_irq_register_10_2 [2023-04-03 06:55:19,050 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_13_2 [2023-04-03 06:55:19,050 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_9_4 [2023-04-03 06:55:19,050 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_dummy_factory_14_14_5 [2023-04-03 06:55:19,050 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_10 [2023-04-03 06:55:19,050 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_13 [2023-04-03 06:55:19,050 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_16 [2023-04-03 06:55:19,050 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_17 [2023-04-03 06:55:19,050 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_18 [2023-04-03 06:55:19,050 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_19 [2023-04-03 06:55:19,050 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_20 [2023-04-03 06:55:19,051 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_21 [2023-04-03 06:55:19,051 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_22 [2023-04-03 06:55:19,051 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_23 [2023-04-03 06:55:19,051 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_26 [2023-04-03 06:55:19,051 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_3 [2023-04-03 06:55:19,051 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_7 [2023-04-03 06:55:19,051 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_8 [2023-04-03 06:55:19,051 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_9 [2023-04-03 06:55:19,051 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_entry_EMGentry_14 [2023-04-03 06:55:19,051 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-03 06:55:19,051 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2023-04-03 06:55:19,051 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-04-03 06:55:19,051 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_external_data [2023-04-03 06:55:19,051 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_instance_handler_0_5 [2023-04-03 06:55:19,051 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_instance_thread_0_3 [2023-04-03 06:55:19,051 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_0 [2023-04-03 06:55:19,051 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_net_dummy_resourceless_instance_1 [2023-04-03 06:55:19,051 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_instance_probe_2_17 [2023-04-03 06:55:19,051 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_instance_release_2_2 [2023-04-03 06:55:19,051 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_instance_resume_2_5 [2023-04-03 06:55:19,051 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_instance_resume_early_2_6 [2023-04-03 06:55:19,051 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_instance_shutdown_2_3 [2023-04-03 06:55:19,051 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_instance_suspend_2_8 [2023-04-03 06:55:19,052 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_instance_suspend_late_2_7 [2023-04-03 06:55:19,052 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_pci_instance_2 [2023-04-03 06:55:19,052 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_unregister_driver [2023-04-03 06:55:19,052 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev [2023-04-03 06:55:19,052 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_open_9_6 [2023-04-03 06:55:19,052 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2023-04-03 06:55:19,052 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-04-03 06:55:19,052 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-04-03 06:55:19,052 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_1 [2023-04-03 06:55:19,052 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_6 [2023-04-03 06:55:19,052 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_1 [2023-04-03 06:55:19,052 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_5 [2023-04-03 06:55:19,052 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_2_11 [2023-04-03 06:55:19,052 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_2_20 [2023-04-03 06:55:19,052 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_3_1 [2023-04-03 06:55:19,052 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_3_3 [2023-04-03 06:55:19,052 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_4_1 [2023-04-03 06:55:19,052 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_4_4 [2023-04-03 06:55:19,052 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_dummy_factory_4 [2023-04-03 06:55:19,052 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_instance_callback_3_2 [2023-04-03 06:55:19,052 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_timer_instance_3 [2023-04-03 06:55:19,052 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2023-04-03 06:55:19,053 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_stop_11_2 [2023-04-03 06:55:19,053 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2023-04-03 06:55:19,053 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-04-03 06:55:19,053 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-04-03 06:55:19,053 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-04-03 06:55:19,053 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2023-04-03 06:55:19,053 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_alloc_spinlock__nonatomic [2023-04-03 06:55:19,053 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_alloc_spinlock__wrong_flags [2023-04-03 06:55:19,053 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2023-04-03 06:55:19,053 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2023-04-03 06:55:19,053 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xzalloc [2023-04-03 06:55:19,053 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-04-03 06:55:19,053 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spi_alloc_master [2023-04-03 06:55:19,053 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-04-03 06:55:19,053 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2023-04-03 06:55:19,053 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2023-04-03 06:55:19,053 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2023-04-03 06:55:19,053 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-04-03 06:55:19,053 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2023-04-03 06:55:19,053 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kzalloc [2023-04-03 06:55:19,053 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2023-04-03 06:55:19,053 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2023-04-03 06:55:19,054 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2023-04-03 06:55:19,054 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-03 06:55:19,054 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2023-04-03 06:55:19,054 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-03 06:55:19,054 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-03 06:55:19,054 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-04-03 06:55:19,054 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2023-04-03 06:55:19,054 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_negative [2023-04-03 06:55:19,054 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_nonpositive [2023-04-03 06:55:19,054 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-03 06:55:19,054 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2023-04-03 06:55:19,054 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_create [2023-04-03 06:55:19,054 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_create_N [2023-04-03 06:55:19,054 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_join [2023-04-03 06:55:19,054 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_join_N [2023-04-03 06:55:19,054 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock__xmit_lock_of_netdev_queue [2023-04-03 06:55:19,054 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock__xmit_lock_of_netdev_queue [2023-04-03 06:55:19,054 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock__xmit_lock_of_netdev_queue [2023-04-03 06:55:19,054 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait__xmit_lock_of_netdev_queue [2023-04-03 06:55:19,054 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked__xmit_lock_of_netdev_queue [2023-04-03 06:55:19,054 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock__xmit_lock_of_netdev_queue [2023-04-03 06:55:19,054 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended__xmit_lock_of_netdev_queue [2023-04-03 06:55:19,055 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock__xmit_lock_of_netdev_queue [2023-04-03 06:55:19,055 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_addr_list_lock_of_net_device [2023-04-03 06:55:19,055 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_addr_list_lock_of_net_device [2023-04-03 06:55:19,055 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_addr_list_lock_of_net_device [2023-04-03 06:55:19,055 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_addr_list_lock_of_net_device [2023-04-03 06:55:19,055 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_addr_list_lock_of_net_device [2023-04-03 06:55:19,055 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_addr_list_lock_of_net_device [2023-04-03 06:55:19,055 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_addr_list_lock_of_net_device [2023-04-03 06:55:19,055 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_addr_list_lock_of_net_device [2023-04-03 06:55:19,055 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_alloc_lock_of_task_struct [2023-04-03 06:55:19,055 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_alloc_lock_of_task_struct [2023-04-03 06:55:19,055 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_alloc_lock_of_task_struct [2023-04-03 06:55:19,055 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_alloc_lock_of_task_struct [2023-04-03 06:55:19,055 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_alloc_lock_of_task_struct [2023-04-03 06:55:19,055 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_alloc_lock_of_task_struct [2023-04-03 06:55:19,055 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_alloc_lock_of_task_struct [2023-04-03 06:55:19,055 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_alloc_lock_of_task_struct [2023-04-03 06:55:19,055 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_i_lock_of_inode [2023-04-03 06:55:19,055 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_i_lock_of_inode [2023-04-03 06:55:19,055 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_i_lock_of_inode [2023-04-03 06:55:19,055 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_i_lock_of_inode [2023-04-03 06:55:19,055 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_i_lock_of_inode [2023-04-03 06:55:19,056 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_i_lock_of_inode [2023-04-03 06:55:19,056 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_i_lock_of_inode [2023-04-03 06:55:19,056 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_i_lock_of_inode [2023-04-03 06:55:19,056 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock [2023-04-03 06:55:19,056 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock [2023-04-03 06:55:19,056 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_lock [2023-04-03 06:55:19,056 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_lock [2023-04-03 06:55:19,056 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_lock [2023-04-03 06:55:19,056 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_lock [2023-04-03 06:55:19,056 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_lock [2023-04-03 06:55:19,056 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_lock [2023-04-03 06:55:19,056 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_NOT_ARG_SIGN [2023-04-03 06:55:19,056 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_NOT_ARG_SIGN [2023-04-03 06:55:19,056 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_lock_of_NOT_ARG_SIGN [2023-04-03 06:55:19,056 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_lock_of_NOT_ARG_SIGN [2023-04-03 06:55:19,056 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_lock_of_NOT_ARG_SIGN [2023-04-03 06:55:19,056 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_lock_of_NOT_ARG_SIGN [2023-04-03 06:55:19,056 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_lock_of_NOT_ARG_SIGN [2023-04-03 06:55:19,056 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_lock_of_NOT_ARG_SIGN [2023-04-03 06:55:19,056 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_lock_of_netdev_private [2023-04-03 06:55:19,056 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_lock_of_netdev_private [2023-04-03 06:55:19,056 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_lock_of_netdev_private [2023-04-03 06:55:19,057 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_lock_of_netdev_private [2023-04-03 06:55:19,057 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_lock_of_netdev_private [2023-04-03 06:55:19,057 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_lock_of_netdev_private [2023-04-03 06:55:19,057 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_lp [2023-04-03 06:55:19,057 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_lp [2023-04-03 06:55:19,057 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_lp [2023-04-03 06:55:19,057 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_lp [2023-04-03 06:55:19,057 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_lp [2023-04-03 06:55:19,057 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_lp [2023-04-03 06:55:19,057 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lru_lock_of_netns_frags [2023-04-03 06:55:19,057 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lru_lock_of_netns_frags [2023-04-03 06:55:19,057 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_lru_lock_of_netns_frags [2023-04-03 06:55:19,057 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_lru_lock_of_netns_frags [2023-04-03 06:55:19,057 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_lru_lock_of_netns_frags [2023-04-03 06:55:19,057 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_lru_lock_of_netns_frags [2023-04-03 06:55:19,057 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_lru_lock_of_netns_frags [2023-04-03 06:55:19,057 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_lru_lock_of_netns_frags [2023-04-03 06:55:19,057 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_node_size_lock_of_pglist_data [2023-04-03 06:55:19,057 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_node_size_lock_of_pglist_data [2023-04-03 06:55:19,057 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_node_size_lock_of_pglist_data [2023-04-03 06:55:19,057 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_node_size_lock_of_pglist_data [2023-04-03 06:55:19,058 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_node_size_lock_of_pglist_data [2023-04-03 06:55:19,058 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_node_size_lock_of_pglist_data [2023-04-03 06:55:19,058 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_node_size_lock_of_pglist_data [2023-04-03 06:55:19,058 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_node_size_lock_of_pglist_data [2023-04-03 06:55:19,058 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_ptl [2023-04-03 06:55:19,058 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_ptl [2023-04-03 06:55:19,058 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_ptl [2023-04-03 06:55:19,058 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_ptl [2023-04-03 06:55:19,058 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_ptl [2023-04-03 06:55:19,058 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_ptl [2023-04-03 06:55:19,058 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_ptl [2023-04-03 06:55:19,058 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_ptl [2023-04-03 06:55:19,058 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_siglock_of_sighand_struct [2023-04-03 06:55:19,058 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_siglock_of_sighand_struct [2023-04-03 06:55:19,058 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_siglock_of_sighand_struct [2023-04-03 06:55:19,058 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_siglock_of_sighand_struct [2023-04-03 06:55:19,058 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_siglock_of_sighand_struct [2023-04-03 06:55:19,058 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_siglock_of_sighand_struct [2023-04-03 06:55:19,058 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_siglock_of_sighand_struct [2023-04-03 06:55:19,058 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_siglock_of_sighand_struct [2023-04-03 06:55:19,058 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_tx_global_lock_of_net_device [2023-04-03 06:55:19,058 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_tx_global_lock_of_net_device [2023-04-03 06:55:19,059 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_tx_global_lock_of_net_device [2023-04-03 06:55:19,059 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_tx_global_lock_of_net_device [2023-04-03 06:55:19,059 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_tx_global_lock_of_net_device [2023-04-03 06:55:19,059 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_tx_global_lock_of_net_device [2023-04-03 06:55:19,059 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_tx_global_lock_of_net_device [2023-04-03 06:55:19,059 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_tx_global_lock_of_net_device [2023-04-03 06:55:19,059 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-03 06:55:19,059 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-03 06:55:19,059 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2023-04-03 06:55:19,059 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2023-04-03 06:55:19,059 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-03 06:55:19,059 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2023-04-03 06:55:19,059 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2023-04-03 06:55:19,059 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-04-03 06:55:19,059 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-03 06:55:19,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-03 06:55:19,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-04-03 06:55:19,059 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-03 06:55:19,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-04-03 06:55:19,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-04-03 06:55:19,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-04-03 06:55:19,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-04-03 06:55:19,792 INFO L236 CfgBuilder]: Building ICFG [2023-04-03 06:55:19,798 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-03 06:55:21,019 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint mainFINAL: assume true; [2023-04-03 06:55:21,273 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-04-03 06:55:22,561 INFO L277 CfgBuilder]: Performing block encoding [2023-04-03 06:55:24,547 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-03 06:55:24,547 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-04-03 06:55:24,551 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 06:55:24 BoogieIcfgContainer [2023-04-03 06:55:24,552 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-03 06:55:24,553 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-03 06:55:24,553 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-03 06:55:24,555 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-03 06:55:24,556 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.04 06:55:16" (1/3) ... [2023-04-03 06:55:24,556 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@688ca351 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 06:55:24, skipping insertion in model container [2023-04-03 06:55:24,556 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 06:55:18" (2/3) ... [2023-04-03 06:55:24,556 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@688ca351 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 06:55:24, skipping insertion in model container [2023-04-03 06:55:24,556 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 06:55:24" (3/3) ... [2023-04-03 06:55:24,557 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-fealnx.cil.i [2023-04-03 06:55:24,571 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-03 06:55:24,571 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-04-03 06:55:24,630 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-03 06:55:24,634 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;@681fc9dc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-03 06:55:24,635 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-04-03 06:55:24,643 INFO L276 IsEmpty]: Start isEmpty. Operand has 2275 states, 1164 states have (on average 1.1804123711340206) internal successors, (1374), 1195 states have internal predecessors, (1374), 713 states have call successors, (713), 288 states have call predecessors, (713), 286 states have return successors, (706), 696 states have call predecessors, (706), 706 states have call successors, (706) [2023-04-03 06:55:24,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2023-04-03 06:55:24,671 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 06:55:24,672 INFO L195 NwaCegarLoop]: trace histogram [10, 9, 9, 9, 9, 9, 9, 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 06:55:24,672 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_alloc_spinlock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_alloc_spinlock__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_spinlock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 06:55:24,676 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 06:55:24,677 INFO L85 PathProgramCache]: Analyzing trace with hash 2029985262, now seen corresponding path program 1 times [2023-04-03 06:55:24,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 06:55:24,684 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [91217211] [2023-04-03 06:55:24,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 06:55:24,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 06:55:24,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 06:55:25,457 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 308 trivial. 0 not checked. [2023-04-03 06:55:25,458 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 06:55:25,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [91217211] [2023-04-03 06:55:25,458 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [91217211] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 06:55:25,459 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 06:55:25,459 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 06:55:25,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [600404391] [2023-04-03 06:55:25,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 06:55:25,464 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 06:55:25,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 06:55:25,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 06:55:25,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 06:55:25,501 INFO L87 Difference]: Start difference. First operand has 2275 states, 1164 states have (on average 1.1804123711340206) internal successors, (1374), 1195 states have internal predecessors, (1374), 713 states have call successors, (713), 288 states have call predecessors, (713), 286 states have return successors, (706), 696 states have call predecessors, (706), 706 states have call successors, (706) Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2023-04-03 06:55:28,025 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 06:55:30,363 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 06:55:31,522 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 06:55:32,748 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 06:55:33,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 06:55:33,263 INFO L93 Difference]: Finished difference Result 5543 states and 7165 transitions. [2023-04-03 06:55:33,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 06:55:33,266 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 175 [2023-04-03 06:55:33,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 06:55:33,304 INFO L225 Difference]: With dead ends: 5543 [2023-04-03 06:55:33,305 INFO L226 Difference]: Without dead ends: 3543 [2023-04-03 06:55:33,317 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 06:55:33,320 INFO L413 NwaCegarLoop]: 2345 mSDtfsCounter, 2311 mSDsluCounter, 2055 mSDsCounter, 0 mSdLazyCounter, 630 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2311 SdHoareTripleChecker+Valid, 4400 SdHoareTripleChecker+Invalid, 634 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 630 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.5s IncrementalHoareTripleChecker+Time [2023-04-03 06:55:33,321 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2311 Valid, 4400 Invalid, 634 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 630 Invalid, 1 Unknown, 0 Unchecked, 7.5s Time] [2023-04-03 06:55:33,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3543 states. [2023-04-03 06:55:33,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3543 to 3533. [2023-04-03 06:55:33,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3533 states, 1924 states have (on average 1.199064449064449) internal successors, (2307), 1980 states have internal predecessors, (2307), 1090 states have call successors, (1090), 525 states have call predecessors, (1090), 518 states have return successors, (1101), 1061 states have call predecessors, (1101), 1089 states have call successors, (1101) [2023-04-03 06:55:33,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3533 states to 3533 states and 4498 transitions. [2023-04-03 06:55:33,521 INFO L78 Accepts]: Start accepts. Automaton has 3533 states and 4498 transitions. Word has length 175 [2023-04-03 06:55:33,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 06:55:33,522 INFO L495 AbstractCegarLoop]: Abstraction has 3533 states and 4498 transitions. [2023-04-03 06:55:33,523 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2023-04-03 06:55:33,523 INFO L276 IsEmpty]: Start isEmpty. Operand 3533 states and 4498 transitions. [2023-04-03 06:55:33,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2023-04-03 06:55:33,535 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 06:55:33,535 INFO L195 NwaCegarLoop]: trace histogram [11, 9, 9, 9, 9, 9, 9, 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] [2023-04-03 06:55:33,535 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-03 06:55:33,535 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_alloc_spinlock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_alloc_spinlock__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_spinlock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 06:55:33,536 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 06:55:33,536 INFO L85 PathProgramCache]: Analyzing trace with hash -514082911, now seen corresponding path program 1 times [2023-04-03 06:55:33,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 06:55:33,536 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1020252051] [2023-04-03 06:55:33,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 06:55:33,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 06:55:33,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 06:55:33,917 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 328 trivial. 0 not checked. [2023-04-03 06:55:33,917 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 06:55:33,917 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1020252051] [2023-04-03 06:55:33,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1020252051] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 06:55:33,918 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 06:55:33,919 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 06:55:33,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1413976775] [2023-04-03 06:55:33,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 06:55:33,920 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 06:55:33,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 06:55:33,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 06:55:33,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 06:55:33,921 INFO L87 Difference]: Start difference. First operand 3533 states and 4498 transitions. Second operand has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 3 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2023-04-03 06:55:35,851 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 06:55:36,878 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 06:55:38,743 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 06:55:40,881 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 06:55:41,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 06:55:41,256 INFO L93 Difference]: Finished difference Result 9256 states and 11795 transitions. [2023-04-03 06:55:41,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 06:55:41,261 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 3 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 188 [2023-04-03 06:55:41,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 06:55:41,289 INFO L225 Difference]: With dead ends: 9256 [2023-04-03 06:55:41,289 INFO L226 Difference]: Without dead ends: 5755 [2023-04-03 06:55:41,302 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 06:55:41,303 INFO L413 NwaCegarLoop]: 2071 mSDtfsCounter, 1496 mSDsluCounter, 2027 mSDsCounter, 0 mSdLazyCounter, 655 mSolverCounterSat, 15 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1496 SdHoareTripleChecker+Valid, 4098 SdHoareTripleChecker+Invalid, 671 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 655 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.1s IncrementalHoareTripleChecker+Time [2023-04-03 06:55:41,306 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1496 Valid, 4098 Invalid, 671 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 655 Invalid, 1 Unknown, 0 Unchecked, 7.1s Time] [2023-04-03 06:55:41,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5755 states. [2023-04-03 06:55:41,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5755 to 5745. [2023-04-03 06:55:41,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5745 states, 3147 states have (on average 1.1989196059739435) internal successors, (3773), 3239 states have internal predecessors, (3773), 1747 states have call successors, (1747), 857 states have call predecessors, (1747), 850 states have return successors, (1772), 1704 states have call predecessors, (1772), 1746 states have call successors, (1772) [2023-04-03 06:55:41,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5745 states to 5745 states and 7292 transitions. [2023-04-03 06:55:41,536 INFO L78 Accepts]: Start accepts. Automaton has 5745 states and 7292 transitions. Word has length 188 [2023-04-03 06:55:41,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 06:55:41,538 INFO L495 AbstractCegarLoop]: Abstraction has 5745 states and 7292 transitions. [2023-04-03 06:55:41,538 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 3 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2023-04-03 06:55:41,539 INFO L276 IsEmpty]: Start isEmpty. Operand 5745 states and 7292 transitions. [2023-04-03 06:55:41,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2023-04-03 06:55:41,545 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 06:55:41,545 INFO L195 NwaCegarLoop]: trace histogram [10, 9, 9, 9, 9, 9, 9, 3, 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] [2023-04-03 06:55:41,546 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-03 06:55:41,546 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_alloc_spinlock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_alloc_spinlock__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_spinlock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 06:55:41,547 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 06:55:41,547 INFO L85 PathProgramCache]: Analyzing trace with hash 1475390325, now seen corresponding path program 1 times [2023-04-03 06:55:41,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 06:55:41,548 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [995336899] [2023-04-03 06:55:41,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 06:55:41,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 06:55:41,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 06:55:41,872 INFO L134 CoverageAnalysis]: Checked inductivity of 314 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2023-04-03 06:55:41,873 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 06:55:41,873 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [995336899] [2023-04-03 06:55:41,873 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [995336899] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 06:55:41,873 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 06:55:41,873 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 06:55:41,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1018647350] [2023-04-03 06:55:41,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 06:55:41,874 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 06:55:41,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 06:55:41,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 06:55:41,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 06:55:41,875 INFO L87 Difference]: Start difference. First operand 5745 states and 7292 transitions. Second operand has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 3 states have call successors, (39), 3 states have call predecessors, (39), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2023-04-03 06:55:45,208 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 06:55:47,343 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 06:55:49,350 WARN L539 Checker$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 06:55:49,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 06:55:49,914 INFO L93 Difference]: Finished difference Result 16102 states and 20428 transitions. [2023-04-03 06:55:49,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 06:55:49,915 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 3 states have call successors, (39), 3 states have call predecessors, (39), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) Word has length 197 [2023-04-03 06:55:49,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 06:55:49,975 INFO L225 Difference]: With dead ends: 16102 [2023-04-03 06:55:49,976 INFO L226 Difference]: Without dead ends: 10389 [2023-04-03 06:55:49,999 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 06:55:50,002 INFO L413 NwaCegarLoop]: 2150 mSDtfsCounter, 1989 mSDsluCounter, 1999 mSDsCounter, 0 mSdLazyCounter, 615 mSolverCounterSat, 6 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1989 SdHoareTripleChecker+Valid, 4149 SdHoareTripleChecker+Invalid, 624 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 615 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.8s IncrementalHoareTripleChecker+Time [2023-04-03 06:55:50,004 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1989 Valid, 4149 Invalid, 624 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 615 Invalid, 3 Unknown, 0 Unchecked, 7.8s Time] [2023-04-03 06:55:50,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10389 states. [2023-04-03 06:55:50,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10389 to 10375. [2023-04-03 06:55:50,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10375 states, 5661 states have (on average 1.1936053700759583) internal successors, (6757), 5827 states have internal predecessors, (6757), 3146 states have call successors, (3146), 1586 states have call predecessors, (3146), 1567 states have return successors, (3239), 3051 states have call predecessors, (3239), 3145 states have call successors, (3239) [2023-04-03 06:55:50,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10375 states to 10375 states and 13142 transitions. [2023-04-03 06:55:50,491 INFO L78 Accepts]: Start accepts. Automaton has 10375 states and 13142 transitions. Word has length 197 [2023-04-03 06:55:50,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 06:55:50,492 INFO L495 AbstractCegarLoop]: Abstraction has 10375 states and 13142 transitions. [2023-04-03 06:55:50,493 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 3 states have call successors, (39), 3 states have call predecessors, (39), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2023-04-03 06:55:50,493 INFO L276 IsEmpty]: Start isEmpty. Operand 10375 states and 13142 transitions. [2023-04-03 06:55:50,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2023-04-03 06:55:50,500 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 06:55:50,500 INFO L195 NwaCegarLoop]: trace histogram [11, 9, 9, 9, 9, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 06:55:50,500 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-03 06:55:50,501 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_alloc_spinlock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_alloc_spinlock__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_spinlock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 06:55:50,501 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 06:55:50,502 INFO L85 PathProgramCache]: Analyzing trace with hash -431930063, now seen corresponding path program 1 times [2023-04-03 06:55:50,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 06:55:50,502 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [787243321] [2023-04-03 06:55:50,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 06:55:50,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 06:55:50,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 06:55:50,792 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 331 trivial. 0 not checked. [2023-04-03 06:55:50,793 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 06:55:50,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [787243321] [2023-04-03 06:55:50,793 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [787243321] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 06:55:50,793 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 06:55:50,793 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 06:55:50,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347997572] [2023-04-03 06:55:50,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 06:55:50,793 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 06:55:50,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 06:55:50,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 06:55:50,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 06:55:50,795 INFO L87 Difference]: Start difference. First operand 10375 states and 13142 transitions. Second operand has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 4 states have call successors, (39), 3 states have call predecessors, (39), 2 states have return successors, (29), 4 states have call predecessors, (29), 4 states have call successors, (29) [2023-04-03 06:55:56,030 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 06:56:01,050 WARN L539 Checker$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 06:56:03,059 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 06:56:05,406 WARN L539 Checker$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 06:56:06,829 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 06:56:09,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 06:56:09,970 INFO L93 Difference]: Finished difference Result 31069 states and 39368 transitions. [2023-04-03 06:56:09,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-04-03 06:56:09,970 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 4 states have call successors, (39), 3 states have call predecessors, (39), 2 states have return successors, (29), 4 states have call predecessors, (29), 4 states have call successors, (29) Word has length 203 [2023-04-03 06:56:09,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 06:56:10,063 INFO L225 Difference]: With dead ends: 31069 [2023-04-03 06:56:10,064 INFO L226 Difference]: Without dead ends: 20726 [2023-04-03 06:56:10,099 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 06:56:10,101 INFO L413 NwaCegarLoop]: 66 mSDtfsCounter, 3919 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 7709 mSolverCounterSat, 2065 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4486 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 9778 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2065 IncrementalHoareTripleChecker+Valid, 7709 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.4s IncrementalHoareTripleChecker+Time [2023-04-03 06:56:10,102 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4486 Valid, 173 Invalid, 9778 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2065 Valid, 7709 Invalid, 4 Unknown, 0 Unchecked, 18.4s Time] [2023-04-03 06:56:10,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20726 states. [2023-04-03 06:56:10,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20726 to 20684. [2023-04-03 06:56:10,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20684 states, 11303 states have (on average 1.1925152614350172) internal successors, (13479), 11662 states have internal predecessors, (13479), 6242 states have call successors, (6242), 3147 states have call predecessors, (6242), 3138 states have return successors, (6461), 6053 states have call predecessors, (6461), 6241 states have call successors, (6461) [2023-04-03 06:56:11,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20684 states to 20684 states and 26182 transitions. [2023-04-03 06:56:11,124 INFO L78 Accepts]: Start accepts. Automaton has 20684 states and 26182 transitions. Word has length 203 [2023-04-03 06:56:11,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 06:56:11,124 INFO L495 AbstractCegarLoop]: Abstraction has 20684 states and 26182 transitions. [2023-04-03 06:56:11,125 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 4 states have call successors, (39), 3 states have call predecessors, (39), 2 states have return successors, (29), 4 states have call predecessors, (29), 4 states have call successors, (29) [2023-04-03 06:56:11,125 INFO L276 IsEmpty]: Start isEmpty. Operand 20684 states and 26182 transitions. [2023-04-03 06:56:11,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2023-04-03 06:56:11,133 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 06:56:11,133 INFO L195 NwaCegarLoop]: trace histogram [12, 9, 9, 9, 9, 9, 9, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 06:56:11,133 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-03 06:56:11,133 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_alloc_spinlock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_alloc_spinlock__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_spinlock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 06:56:11,133 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 06:56:11,134 INFO L85 PathProgramCache]: Analyzing trace with hash -1513998043, now seen corresponding path program 1 times [2023-04-03 06:56:11,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 06:56:11,134 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [3170969] [2023-04-03 06:56:11,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 06:56:11,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 06:56:11,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 06:56:11,372 INFO L134 CoverageAnalysis]: Checked inductivity of 372 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 366 trivial. 0 not checked. [2023-04-03 06:56:11,372 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 06:56:11,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [3170969] [2023-04-03 06:56:11,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [3170969] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 06:56:11,374 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 06:56:11,374 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 06:56:11,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792929868] [2023-04-03 06:56:11,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 06:56:11,374 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 06:56:11,374 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 06:56:11,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 06:56:11,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 06:56:11,375 INFO L87 Difference]: Start difference. First operand 20684 states and 26182 transitions. Second operand has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 4 states have call successors, (43), 3 states have call predecessors, (43), 2 states have return successors, (33), 4 states have call predecessors, (33), 4 states have call successors, (33) [2023-04-03 06:56:14,464 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 06:56:15,512 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 06:56:20,770 WARN L539 Checker$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 06:56:22,776 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 06:56:24,786 WARN L539 Checker$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 06:56:27,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 06:56:27,017 INFO L93 Difference]: Finished difference Result 42259 states and 53336 transitions. [2023-04-03 06:56:27,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-04-03 06:56:27,018 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 4 states have call successors, (43), 3 states have call predecessors, (43), 2 states have return successors, (33), 4 states have call predecessors, (33), 4 states have call successors, (33) Word has length 227 [2023-04-03 06:56:27,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 06:56:27,102 INFO L225 Difference]: With dead ends: 42259 [2023-04-03 06:56:27,102 INFO L226 Difference]: Without dead ends: 21607 [2023-04-03 06:56:27,163 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 06:56:27,164 INFO L413 NwaCegarLoop]: 47 mSDtfsCounter, 2573 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 7323 mSolverCounterSat, 767 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3129 SdHoareTripleChecker+Valid, 117 SdHoareTripleChecker+Invalid, 8093 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 767 IncrementalHoareTripleChecker+Valid, 7323 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.7s IncrementalHoareTripleChecker+Time [2023-04-03 06:56:27,164 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3129 Valid, 117 Invalid, 8093 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [767 Valid, 7323 Invalid, 3 Unknown, 0 Unchecked, 14.7s Time] [2023-04-03 06:56:27,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21607 states. [2023-04-03 06:56:28,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21607 to 21559. [2023-04-03 06:56:28,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21559 states, 11795 states have (on average 1.1900805426027978) internal successors, (14037), 12165 states have internal predecessors, (14037), 6438 states have call successors, (6438), 3326 states have call predecessors, (6438), 3325 states have return successors, (6667), 6252 states have call predecessors, (6667), 6437 states have call successors, (6667) [2023-04-03 06:56:28,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21559 states to 21559 states and 27142 transitions. [2023-04-03 06:56:28,256 INFO L78 Accepts]: Start accepts. Automaton has 21559 states and 27142 transitions. Word has length 227 [2023-04-03 06:56:28,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 06:56:28,256 INFO L495 AbstractCegarLoop]: Abstraction has 21559 states and 27142 transitions. [2023-04-03 06:56:28,256 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 4 states have call successors, (43), 3 states have call predecessors, (43), 2 states have return successors, (33), 4 states have call predecessors, (33), 4 states have call successors, (33) [2023-04-03 06:56:28,256 INFO L276 IsEmpty]: Start isEmpty. Operand 21559 states and 27142 transitions. [2023-04-03 06:56:28,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2023-04-03 06:56:28,263 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 06:56:28,264 INFO L195 NwaCegarLoop]: trace histogram [10, 9, 9, 9, 9, 9, 9, 6, 5, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:56:28,264 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-04-03 06:56:28,264 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_alloc_spinlock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_alloc_spinlock__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_spinlock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 06:56:28,264 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 06:56:28,264 INFO L85 PathProgramCache]: Analyzing trace with hash 1706135735, now seen corresponding path program 1 times [2023-04-03 06:56:28,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 06:56:28,264 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [522589015] [2023-04-03 06:56:28,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 06:56:28,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 06:56:28,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 06:56:28,616 INFO L134 CoverageAnalysis]: Checked inductivity of 362 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 362 trivial. 0 not checked. [2023-04-03 06:56:28,616 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 06:56:28,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [522589015] [2023-04-03 06:56:28,616 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [522589015] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 06:56:28,616 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 06:56:28,616 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 06:56:28,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1936225545] [2023-04-03 06:56:28,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 06:56:28,617 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 06:56:28,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 06:56:28,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 06:56:28,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 06:56:28,618 INFO L87 Difference]: Start difference. First operand 21559 states and 27142 transitions. Second operand has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 3 states have call successors, (50), 3 states have call predecessors, (50), 1 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2023-04-03 06:56:31,261 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 06:56:34,440 WARN L539 Checker$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 06:56:36,348 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 06:56:37,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 06:56:37,303 INFO L93 Difference]: Finished difference Result 57326 states and 72523 transitions. [2023-04-03 06:56:37,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 06:56:37,303 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 3 states have call successors, (50), 3 states have call predecessors, (50), 1 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) Word has length 247 [2023-04-03 06:56:37,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 06:56:37,443 INFO L225 Difference]: With dead ends: 57326 [2023-04-03 06:56:37,443 INFO L226 Difference]: Without dead ends: 35799 [2023-04-03 06:56:37,508 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 06:56:37,509 INFO L413 NwaCegarLoop]: 2072 mSDtfsCounter, 1978 mSDsluCounter, 1984 mSDsCounter, 0 mSdLazyCounter, 666 mSolverCounterSat, 7 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1978 SdHoareTripleChecker+Valid, 4056 SdHoareTripleChecker+Invalid, 675 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 666 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.5s IncrementalHoareTripleChecker+Time [2023-04-03 06:56:37,509 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1978 Valid, 4056 Invalid, 675 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 666 Invalid, 2 Unknown, 0 Unchecked, 7.5s Time] [2023-04-03 06:56:37,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35799 states. [2023-04-03 06:56:39,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35799 to 35755. [2023-04-03 06:56:39,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35755 states, 19617 states have (on average 1.1865218942753735) internal successors, (23276), 20305 states have internal predecessors, (23276), 10715 states have call successors, (10715), 5427 states have call predecessors, (10715), 5422 states have return successors, (11266), 10343 states have call predecessors, (11266), 10714 states have call successors, (11266) [2023-04-03 06:56:39,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35755 states to 35755 states and 45257 transitions. [2023-04-03 06:56:39,252 INFO L78 Accepts]: Start accepts. Automaton has 35755 states and 45257 transitions. Word has length 247 [2023-04-03 06:56:39,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 06:56:39,253 INFO L495 AbstractCegarLoop]: Abstraction has 35755 states and 45257 transitions. [2023-04-03 06:56:39,253 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 3 states have call successors, (50), 3 states have call predecessors, (50), 1 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2023-04-03 06:56:39,254 INFO L276 IsEmpty]: Start isEmpty. Operand 35755 states and 45257 transitions. [2023-04-03 06:56:39,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2023-04-03 06:56:39,261 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 06:56:39,261 INFO L195 NwaCegarLoop]: trace histogram [14, 9, 9, 9, 9, 9, 9, 5, 5, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 06:56:39,261 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-04-03 06:56:39,261 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_alloc_spinlock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_alloc_spinlock__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_spinlock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 06:56:39,261 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 06:56:39,261 INFO L85 PathProgramCache]: Analyzing trace with hash -2095288385, now seen corresponding path program 1 times [2023-04-03 06:56:39,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 06:56:39,261 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [824404248] [2023-04-03 06:56:39,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 06:56:39,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 06:56:39,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 06:56:39,555 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 430 trivial. 0 not checked. [2023-04-03 06:56:39,556 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 06:56:39,556 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [824404248] [2023-04-03 06:56:39,556 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [824404248] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 06:56:39,556 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 06:56:39,556 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 06:56:39,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [92880818] [2023-04-03 06:56:39,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 06:56:39,557 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 06:56:39,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 06:56:39,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 06:56:39,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 06:56:39,558 INFO L87 Difference]: Start difference. First operand 35755 states and 45257 transitions. Second operand has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 3 states have call successors, (53), 3 states have call predecessors, (53), 2 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2023-04-03 06:56:42,212 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 06:56:43,366 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 06:56:45,811 WARN L539 Checker$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 06:56:48,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 06:56:48,243 INFO L93 Difference]: Finished difference Result 83643 states and 105963 transitions. [2023-04-03 06:56:48,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 06:56:48,247 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 3 states have call successors, (53), 3 states have call predecessors, (53), 2 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) Word has length 272 [2023-04-03 06:56:48,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 06:56:48,442 INFO L225 Difference]: With dead ends: 83643 [2023-04-03 06:56:48,442 INFO L226 Difference]: Without dead ends: 47983 [2023-04-03 06:56:48,540 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 06:56:48,541 INFO L413 NwaCegarLoop]: 2985 mSDtfsCounter, 1495 mSDsluCounter, 2016 mSDsCounter, 0 mSdLazyCounter, 791 mSolverCounterSat, 15 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1495 SdHoareTripleChecker+Valid, 5001 SdHoareTripleChecker+Invalid, 807 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 791 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.9s IncrementalHoareTripleChecker+Time [2023-04-03 06:56:48,541 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1495 Valid, 5001 Invalid, 807 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 791 Invalid, 1 Unknown, 0 Unchecked, 6.9s Time] [2023-04-03 06:56:48,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47983 states. [2023-04-03 06:56:50,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47983 to 47885. [2023-04-03 06:56:50,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47885 states, 26371 states have (on average 1.1853930453907702) internal successors, (31260), 27285 states have internal predecessors, (31260), 14211 states have call successors, (14211), 7295 states have call predecessors, (14211), 7302 states have return successors, (14906), 13735 states have call predecessors, (14906), 14210 states have call successors, (14906) [2023-04-03 06:56:50,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47885 states to 47885 states and 60377 transitions. [2023-04-03 06:56:50,779 INFO L78 Accepts]: Start accepts. Automaton has 47885 states and 60377 transitions. Word has length 272 [2023-04-03 06:56:50,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 06:56:50,780 INFO L495 AbstractCegarLoop]: Abstraction has 47885 states and 60377 transitions. [2023-04-03 06:56:50,780 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 3 states have call successors, (53), 3 states have call predecessors, (53), 2 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2023-04-03 06:56:50,780 INFO L276 IsEmpty]: Start isEmpty. Operand 47885 states and 60377 transitions. [2023-04-03 06:56:50,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2023-04-03 06:56:50,787 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 06:56:50,787 INFO L195 NwaCegarLoop]: trace histogram [15, 9, 9, 9, 9, 9, 9, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 06:56:50,787 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-04-03 06:56:50,787 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_alloc_spinlock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_alloc_spinlock__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_spinlock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 06:56:50,787 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 06:56:50,787 INFO L85 PathProgramCache]: Analyzing trace with hash -1222686352, now seen corresponding path program 1 times [2023-04-03 06:56:50,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 06:56:50,788 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [403312195] [2023-04-03 06:56:50,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 06:56:50,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 06:56:50,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 06:56:51,437 INFO L134 CoverageAnalysis]: Checked inductivity of 503 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2023-04-03 06:56:51,438 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 06:56:51,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [403312195] [2023-04-03 06:56:51,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [403312195] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-03 06:56:51,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2024176981] [2023-04-03 06:56:51,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 06:56:51,438 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 06:56:51,439 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 06:56:51,442 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-03 06:56:51,475 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-04-03 06:56:52,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 06:56:52,376 INFO L262 TraceCheckSpWp]: Trace formula consists of 3589 conjuncts, 7 conjunts are in the unsatisfiable core [2023-04-03 06:56:52,389 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-03 06:56:52,485 INFO L134 CoverageAnalysis]: Checked inductivity of 503 backedges. 121 proven. 2 refuted. 0 times theorem prover too weak. 380 trivial. 0 not checked. [2023-04-03 06:56:52,486 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-03 06:56:52,935 INFO L134 CoverageAnalysis]: Checked inductivity of 503 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2023-04-03 06:56:52,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2024176981] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-03 06:56:52,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1030098528] [2023-04-03 06:56:52,959 INFO L159 IcfgInterpreter]: Started Sifa with 186 locations of interest [2023-04-03 06:56:52,959 INFO L166 IcfgInterpreter]: Building call graph [2023-04-03 06:56:52,961 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-04-03 06:56:52,964 INFO L176 IcfgInterpreter]: Starting interpretation [2023-04-03 06:56:52,965 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-04-03 06:57:11,289 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 352 for LOIs [2023-04-03 06:57:18,424 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 379 for LOIs