/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-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-natsemi-natsemi.cil.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-03 08:41:25,605 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-03 08:41:25,608 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-03 08:41:25,652 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-03 08:41:25,652 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-03 08:41:25,655 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-03 08:41:25,659 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-03 08:41:25,661 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-03 08:41:25,662 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-03 08:41:25,667 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-03 08:41:25,668 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-03 08:41:25,670 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-03 08:41:25,670 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-03 08:41:25,672 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-03 08:41:25,673 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-03 08:41:25,674 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-03 08:41:25,675 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-03 08:41:25,675 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-03 08:41:25,677 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-03 08:41:25,683 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-03 08:41:25,684 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-03 08:41:25,685 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-03 08:41:25,687 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-03 08:41:25,688 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-03 08:41:25,692 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-03 08:41:25,692 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-03 08:41:25,692 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-03 08:41:25,694 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-03 08:41:25,694 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-03 08:41:25,694 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-03 08:41:25,695 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-03 08:41:25,695 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-03 08:41:25,696 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-03 08:41:25,697 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-03 08:41:25,698 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-03 08:41:25,698 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-03 08:41:25,698 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-03 08:41:25,698 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-03 08:41:25,699 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-03 08:41:25,699 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-03 08:41:25,700 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-03 08:41:25,701 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 08:41:25,731 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-03 08:41:25,731 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-03 08:41:25,732 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-03 08:41:25,732 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-03 08:41:25,733 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-03 08:41:25,733 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-03 08:41:25,733 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-03 08:41:25,733 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-03 08:41:25,734 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-03 08:41:25,734 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-03 08:41:25,734 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-03 08:41:25,734 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-03 08:41:25,735 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-03 08:41:25,735 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-03 08:41:25,735 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-03 08:41:25,735 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-03 08:41:25,735 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-03 08:41:25,735 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-03 08:41:25,736 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-03 08:41:25,736 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-03 08:41:25,736 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-03 08:41:25,736 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-03 08:41:25,736 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-03 08:41:25,736 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-03 08:41:25,736 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-03 08:41:25,737 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-03 08:41:25,737 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-03 08:41:25,737 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-03 08:41:25,737 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-03 08:41:25,737 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-03 08:41:25,738 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-03 08:41:25,738 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-03 08:41:25,738 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 08:41:25,738 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-03 08:41:25,738 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-03 08:41:25,738 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-03 08:41:25,738 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-03 08:41:25,738 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-03 08:41:25,739 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-03 08:41:25,739 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-03 08:41:25,739 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-03 08:41:25,739 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-03 08:41:25,944 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-03 08:41:25,966 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-03 08:41:25,968 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-03 08:41:25,969 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-03 08:41:25,970 INFO L275 PluginConnector]: CDTParser initialized [2023-04-03 08:41:25,971 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-natsemi-natsemi.cil.i [2023-04-03 08:41:27,144 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-03 08:41:27,720 INFO L351 CDTParser]: Found 1 translation units. [2023-04-03 08:41:27,721 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-natsemi-natsemi.cil.i [2023-04-03 08:41:27,770 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3b8936dd0/4d507b2c8fe0425fa9bf93d1310ccd62/FLAG5abbec1fe [2023-04-03 08:41:27,788 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3b8936dd0/4d507b2c8fe0425fa9bf93d1310ccd62 [2023-04-03 08:41:27,791 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-03 08:41:27,793 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-03 08:41:27,795 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-03 08:41:27,796 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-03 08:41:27,799 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-03 08:41:27,800 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 08:41:27" (1/1) ... [2023-04-03 08:41:27,801 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1da8811a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 08:41:27, skipping insertion in model container [2023-04-03 08:41:27,801 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 08:41:27" (1/1) ... [2023-04-03 08:41:27,807 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-03 08:41:27,986 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-03 08:41:31,564 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-natsemi-natsemi.cil.i[386207,386220] [2023-04-03 08:41:31,567 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-natsemi-natsemi.cil.i[386376,386389] [2023-04-03 08:41:31,568 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-natsemi-natsemi.cil.i[386543,386556] [2023-04-03 08:41:31,568 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-natsemi-natsemi.cil.i[386711,386724] [2023-04-03 08:41:31,585 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 08:41:31,630 INFO L203 MainTranslator]: Completed pre-run [2023-04-03 08:41:31,951 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-natsemi-natsemi.cil.i[386207,386220] [2023-04-03 08:41:31,952 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-natsemi-natsemi.cil.i[386376,386389] [2023-04-03 08:41:31,952 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-natsemi-natsemi.cil.i[386543,386556] [2023-04-03 08:41:31,952 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-natsemi-natsemi.cil.i[386711,386724] [2023-04-03 08:41:31,961 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 08:41:32,179 WARN L667 CHandler]: The function strncmp is called, but not defined or handled by StandardFunctionHandler. [2023-04-03 08:41:32,179 WARN L667 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-04-03 08:41:32,186 INFO L208 MainTranslator]: Completed translation [2023-04-03 08:41:32,186 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 08:41:32 WrapperNode [2023-04-03 08:41:32,186 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-03 08:41:32,187 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-03 08:41:32,187 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-03 08:41:32,187 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-03 08:41:32,198 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 08:41:32" (1/1) ... [2023-04-03 08:41:32,199 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 08:41:32" (1/1) ... [2023-04-03 08:41:32,316 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 08:41:32" (1/1) ... [2023-04-03 08:41:32,317 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 08:41:32" (1/1) ... [2023-04-03 08:41:32,459 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 08:41:32" (1/1) ... [2023-04-03 08:41:32,494 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 08:41:32" (1/1) ... [2023-04-03 08:41:32,602 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 08:41:32" (1/1) ... [2023-04-03 08:41:32,636 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 08:41:32" (1/1) ... [2023-04-03 08:41:32,693 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-03 08:41:32,694 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-03 08:41:32,694 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-03 08:41:32,694 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-03 08:41:32,695 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 08:41:32" (1/1) ... [2023-04-03 08:41:32,702 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 08:41:32,711 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 08:41:32,724 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 08:41:32,733 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 08:41:32,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-03 08:41:32,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-03 08:41:32,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2023-04-03 08:41:32,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2023-04-03 08:41:32,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2023-04-03 08:41:32,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~gfp_t~0~X~$Pointer$~TO~$Pointer$ [2023-04-03 08:41:32,765 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 08:41:32,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2023-04-03 08:41:32,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-04-03 08:41:32,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-04-03 08:41:32,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-04-03 08:41:32,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2023-04-03 08:41:32,767 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-04-03 08:41:32,767 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-04-03 08:41:32,767 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2023-04-03 08:41:32,767 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-04-03 08:41:32,767 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2023-04-03 08:41:32,767 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2023-04-03 08:41:32,767 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-04-03 08:41:32,767 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-04-03 08:41:32,768 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2023-04-03 08:41:32,768 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-04-03 08:41:32,768 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2023-04-03 08:41:32,768 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-04-03 08:41:32,768 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2023-04-03 08:41:32,768 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2023-04-03 08:41:32,768 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2023-04-03 08:41:32,768 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2023-04-03 08:41:32,769 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2023-04-03 08:41:32,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2023-04-03 08:41:32,769 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2023-04-03 08:41:32,769 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2023-04-03 08:41:32,769 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2023-04-03 08:41:32,769 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-04-03 08:41:32,769 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-04-03 08:41:32,770 INFO L138 BoogieDeclarations]: Found implementation of procedure is_device_dma_capable [2023-04-03 08:41:32,770 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-04-03 08:41:32,770 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2023-04-03 08:41:32,770 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2023-04-03 08:41:32,770 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_sync_single_for_cpu [2023-04-03 08:41:32,771 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_sync_single_for_device [2023-04-03 08:41:32,771 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_coherent_mask [2023-04-03 08:41:32,771 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_coherent_gfp_flags [2023-04-03 08:41:32,771 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2023-04-03 08:41:32,771 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2023-04-03 08:41:32,771 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2023-04-03 08:41:32,772 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2023-04-03 08:41:32,772 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_to_linear_data [2023-04-03 08:41:32,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2023-04-03 08:41:32,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed [2023-04-03 08:41:32,772 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable_pending [2023-04-03 08:41:32,772 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule_prep [2023-04-03 08:41:32,772 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2023-04-03 08:41:32,772 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2023-04-03 08:41:32,772 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-04-03 08:41:32,772 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-04-03 08:41:32,772 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2023-04-03 08:41:32,772 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2023-04-03 08:41:32,773 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2023-04-03 08:41:32,773 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-04-03 08:41:32,773 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2023-04-03 08:41:32,773 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-04-03 08:41:32,773 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_queue_stopped [2023-04-03 08:41:32,773 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2023-04-03 08:41:32,773 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2023-04-03 08:41:32,773 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2023-04-03 08:41:32,773 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2023-04-03 08:41:32,773 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_present [2023-04-03 08:41:32,773 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2023-04-03 08:41:32,773 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2023-04-03 08:41:32,773 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2023-04-03 08:41:32,774 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2023-04-03 08:41:32,774 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2023-04-03 08:41:32,774 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2023-04-03 08:41:32,774 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_cpu [2023-04-03 08:41:32,774 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_device [2023-04-03 08:41:32,775 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-04-03 08:41:32,775 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2023-04-03 08:41:32,775 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2023-04-03 08:41:32,775 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2023-04-03 08:41:32,775 INFO L138 BoogieDeclarations]: Found implementation of procedure if_mii [2023-04-03 08:41:32,775 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_nway_result [2023-04-03 08:41:32,775 INFO L138 BoogieDeclarations]: Found implementation of procedure natsemi_show_dspcfg_workaround [2023-04-03 08:41:32,776 INFO L138 BoogieDeclarations]: Found implementation of procedure natsemi_set_dspcfg_workaround [2023-04-03 08:41:32,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_ioaddr [2023-04-03 08:41:32,776 INFO L138 BoogieDeclarations]: Found implementation of procedure natsemi_irq_enable [2023-04-03 08:41:32,776 INFO L138 BoogieDeclarations]: Found implementation of procedure natsemi_irq_disable [2023-04-03 08:41:32,776 INFO L138 BoogieDeclarations]: Found implementation of procedure move_int_phy [2023-04-03 08:41:32,776 INFO L138 BoogieDeclarations]: Found implementation of procedure natsemi_init_media [2023-04-03 08:41:32,776 INFO L138 BoogieDeclarations]: Found implementation of procedure natsemi_probe1 [2023-04-03 08:41:32,776 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_read [2023-04-03 08:41:32,776 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_getbit [2023-04-03 08:41:32,776 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_send_bits [2023-04-03 08:41:32,776 INFO L138 BoogieDeclarations]: Found implementation of procedure miiport_read [2023-04-03 08:41:32,776 INFO L138 BoogieDeclarations]: Found implementation of procedure miiport_write [2023-04-03 08:41:32,776 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2023-04-03 08:41:32,776 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_write [2023-04-03 08:41:32,777 INFO L138 BoogieDeclarations]: Found implementation of procedure init_phy_fixup [2023-04-03 08:41:32,777 INFO L138 BoogieDeclarations]: Found implementation of procedure switch_port_external [2023-04-03 08:41:32,777 INFO L138 BoogieDeclarations]: Found implementation of procedure switch_port_internal [2023-04-03 08:41:32,777 INFO L138 BoogieDeclarations]: Found implementation of procedure find_mii [2023-04-03 08:41:32,777 INFO L138 BoogieDeclarations]: Found implementation of procedure natsemi_reset [2023-04-03 08:41:32,777 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_rx [2023-04-03 08:41:32,777 INFO L138 BoogieDeclarations]: Found implementation of procedure natsemi_reload_eeprom [2023-04-03 08:41:32,778 INFO L138 BoogieDeclarations]: Found implementation of procedure natsemi_stop_rxtx [2023-04-03 08:41:32,778 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_open [2023-04-03 08:41:32,778 INFO L138 BoogieDeclarations]: Found implementation of procedure do_cable_magic [2023-04-03 08:41:32,778 INFO L138 BoogieDeclarations]: Found implementation of procedure undo_cable_magic [2023-04-03 08:41:32,778 INFO L138 BoogieDeclarations]: Found implementation of procedure check_link [2023-04-03 08:41:32,778 INFO L138 BoogieDeclarations]: Found implementation of procedure init_registers [2023-04-03 08:41:32,778 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_timer [2023-04-03 08:41:32,778 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_ring [2023-04-03 08:41:32,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_tx_timeout [2023-04-03 08:41:32,779 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_ring [2023-04-03 08:41:32,782 INFO L138 BoogieDeclarations]: Found implementation of procedure refill_rx [2023-04-03 08:41:32,782 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bufsize [2023-04-03 08:41:32,787 INFO L138 BoogieDeclarations]: Found implementation of procedure init_ring [2023-04-03 08:41:32,787 INFO L138 BoogieDeclarations]: Found implementation of procedure drain_tx [2023-04-03 08:41:32,787 INFO L138 BoogieDeclarations]: Found implementation of procedure drain_rx [2023-04-03 08:41:32,787 INFO L138 BoogieDeclarations]: Found implementation of procedure drain_ring [2023-04-03 08:41:32,787 INFO L138 BoogieDeclarations]: Found implementation of procedure free_ring [2023-04-03 08:41:32,788 INFO L138 BoogieDeclarations]: Found implementation of procedure reinit_rx [2023-04-03 08:41:32,788 INFO L138 BoogieDeclarations]: Found implementation of procedure reinit_ring [2023-04-03 08:41:32,788 INFO L138 BoogieDeclarations]: Found implementation of procedure start_tx [2023-04-03 08:41:32,788 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_tx_done [2023-04-03 08:41:32,788 INFO L138 BoogieDeclarations]: Found implementation of procedure intr_handler [2023-04-03 08:41:32,788 INFO L138 BoogieDeclarations]: Found implementation of procedure natsemi_poll [2023-04-03 08:41:32,788 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_rx [2023-04-03 08:41:32,788 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_error [2023-04-03 08:41:32,788 INFO L138 BoogieDeclarations]: Found implementation of procedure __get_stats [2023-04-03 08:41:32,788 INFO L138 BoogieDeclarations]: Found implementation of procedure get_stats [2023-04-03 08:41:32,788 INFO L138 BoogieDeclarations]: Found implementation of procedure natsemi_poll_controller [2023-04-03 08:41:32,788 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_rx_mode [2023-04-03 08:41:32,789 INFO L138 BoogieDeclarations]: Found implementation of procedure natsemi_change_mtu [2023-04-03 08:41:32,789 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2023-04-03 08:41:32,789 INFO L138 BoogieDeclarations]: Found implementation of procedure get_drvinfo [2023-04-03 08:41:32,789 INFO L138 BoogieDeclarations]: Found implementation of procedure get_regs_len [2023-04-03 08:41:32,789 INFO L138 BoogieDeclarations]: Found implementation of procedure get_eeprom_len [2023-04-03 08:41:32,789 INFO L138 BoogieDeclarations]: Found implementation of procedure get_settings [2023-04-03 08:41:32,789 INFO L138 BoogieDeclarations]: Found implementation of procedure set_settings [2023-04-03 08:41:32,789 INFO L138 BoogieDeclarations]: Found implementation of procedure get_wol [2023-04-03 08:41:32,789 INFO L138 BoogieDeclarations]: Found implementation of procedure set_wol [2023-04-03 08:41:32,790 INFO L138 BoogieDeclarations]: Found implementation of procedure get_regs [2023-04-03 08:41:32,790 INFO L138 BoogieDeclarations]: Found implementation of procedure get_msglevel [2023-04-03 08:41:32,790 INFO L138 BoogieDeclarations]: Found implementation of procedure set_msglevel [2023-04-03 08:41:32,790 INFO L138 BoogieDeclarations]: Found implementation of procedure nway_reset [2023-04-03 08:41:32,790 INFO L138 BoogieDeclarations]: Found implementation of procedure get_link [2023-04-03 08:41:32,790 INFO L138 BoogieDeclarations]: Found implementation of procedure get_eeprom [2023-04-03 08:41:32,790 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_set_wol [2023-04-03 08:41:32,790 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_wol [2023-04-03 08:41:32,790 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_set_sopass [2023-04-03 08:41:32,790 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_sopass [2023-04-03 08:41:32,790 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_ecmd [2023-04-03 08:41:32,790 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_set_ecmd [2023-04-03 08:41:32,790 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_regs [2023-04-03 08:41:32,790 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_eeprom [2023-04-03 08:41:32,790 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_ioctl [2023-04-03 08:41:32,790 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_wol_mode [2023-04-03 08:41:32,791 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_close [2023-04-03 08:41:32,791 INFO L138 BoogieDeclarations]: Found implementation of procedure natsemi_remove1 [2023-04-03 08:41:32,791 INFO L138 BoogieDeclarations]: Found implementation of procedure natsemi_suspend [2023-04-03 08:41:32,791 INFO L138 BoogieDeclarations]: Found implementation of procedure natsemi_resume [2023-04-03 08:41:32,791 INFO L138 BoogieDeclarations]: Found implementation of procedure natsemi_init_mod [2023-04-03 08:41:32,791 INFO L138 BoogieDeclarations]: Found implementation of procedure natsemi_exit_mod [2023-04-03 08:41:32,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_natsemi_exit_mod_15_2 [2023-04-03 08:41:32,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_init_natsemi_init_mod_15_9 [2023-04-03 08:41:32,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___pci_register_driver [2023-04-03 08:41:32,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_etherdev_mqs [2023-04-03 08:41:32,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_allocate_external_0 [2023-04-03 08:41:32,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2023-04-03 08:41:32,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_deregister_12_1 [2023-04-03 08:41:32,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_deregister_13_1 [2023-04-03 08:41:32,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_deregister_dummy_resourceless_instance_14_15_4 [2023-04-03 08:41:32,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_instance_deregister_6_1 [2023-04-03 08:41:32,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_instance_register_9_2 [2023-04-03 08:41:32,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_irq_deregister_7_1 [2023-04-03 08:41:32,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_irq_register_11_2 [2023-04-03 08:41:32,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_10_4 [2023-04-03 08:41:32,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_14_2 [2023-04-03 08:41:32,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_dummy_resourceless_instance_14_15_5 [2023-04-03 08:41:32,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_10 [2023-04-03 08:41:32,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_11 [2023-04-03 08:41:32,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_12 [2023-04-03 08:41:32,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_13 [2023-04-03 08:41:32,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_14 [2023-04-03 08:41:32,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_15 [2023-04-03 08:41:32,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_16 [2023-04-03 08:41:32,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_17 [2023-04-03 08:41:32,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_20 [2023-04-03 08:41:32,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_23 [2023-04-03 08:41:32,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_24 [2023-04-03 08:41:32,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_25 [2023-04-03 08:41:32,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_26 [2023-04-03 08:41:32,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_27 [2023-04-03 08:41:32,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_28 [2023-04-03 08:41:32,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_29 [2023-04-03 08:41:32,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_3 [2023-04-03 08:41:32,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_30 [2023-04-03 08:41:32,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_31 [2023-04-03 08:41:32,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_34 [2023-04-03 08:41:32,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_35 [2023-04-03 08:41:32,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_7 [2023-04-03 08:41:32,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_3_3 [2023-04-03 08:41:32,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_3_9 [2023-04-03 08:41:32,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_entry_EMGentry_15 [2023-04-03 08:41:32,794 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-03 08:41:32,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2023-04-03 08:41:32,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-04-03 08:41:32,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_external_data [2023-04-03 08:41:32,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_instance_handler_0_5 [2023-04-03 08:41:32,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_instance_thread_0_3 [2023-04-03 08:41:32,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_0 [2023-04-03 08:41:32,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2023-04-03 08:41:32,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_net_dummy_resourceless_instance_1 [2023-04-03 08:41:32,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_instance_probe_2_17 [2023-04-03 08:41:32,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_instance_release_2_2 [2023-04-03 08:41:32,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_instance_resume_2_5 [2023-04-03 08:41:32,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_instance_resume_early_2_6 [2023-04-03 08:41:32,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_instance_shutdown_2_3 [2023-04-03 08:41:32,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_instance_suspend_2_8 [2023-04-03 08:41:32,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_instance_suspend_late_2_7 [2023-04-03 08:41:32,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_pci_instance_2 [2023-04-03 08:41:32,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_unregister_driver [2023-04-03 08:41:32,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev [2023-04-03 08:41:32,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_open_10_6 [2023-04-03 08:41:32,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2023-04-03 08:41:32,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_struct_device_attribute_dummy_resourceless_instance_3 [2023-04-03 08:41:32,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-04-03 08:41:32,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-04-03 08:41:32,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_1 [2023-04-03 08:41:32,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_6 [2023-04-03 08:41:32,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_1 [2023-04-03 08:41:32,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_5 [2023-04-03 08:41:32,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_2_11 [2023-04-03 08:41:32,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_2_20 [2023-04-03 08:41:32,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_3_1 [2023-04-03 08:41:32,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_3_5 [2023-04-03 08:41:32,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_4_1 [2023-04-03 08:41:32,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_4_3 [2023-04-03 08:41:32,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_instance_callback_4_2 [2023-04-03 08:41:32,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_timer_instance_4 [2023-04-03 08:41:32,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2023-04-03 08:41:32,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_stop_12_2 [2023-04-03 08:41:32,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata_58 [2023-04-03 08:41:32,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata_59 [2023-04-03 08:41:32,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_60 [2023-04-03 08:41:32,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_61 [2023-04-03 08:41:32,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_etherdev_mqs_62 [2023-04-03 08:41:32,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_63 [2023-04-03 08:41:32,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_64 [2023-04-03 08:41:32,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_65 [2023-04-03 08:41:32,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_66 [2023-04-03 08:41:32,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_67 [2023-04-03 08:41:32,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_68 [2023-04-03 08:41:32,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_69 [2023-04-03 08:41:32,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_78 [2023-04-03 08:41:32,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_79 [2023-04-03 08:41:32,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_82 [2023-04-03 08:41:32,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_84 [2023-04-03 08:41:32,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_85 [2023-04-03 08:41:32,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_88 [2023-04-03 08:41:32,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_90 [2023-04-03 08:41:32,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync_111 [2023-04-03 08:41:32,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_114 [2023-04-03 08:41:32,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_117 [2023-04-03 08:41:32,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_118 [2023-04-03 08:41:32,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync_119 [2023-04-03 08:41:32,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_124 [2023-04-03 08:41:32,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___pci_register_driver_125 [2023-04-03 08:41:32,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_unregister_driver_126 [2023-04-03 08:41:32,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2023-04-03 08:41:32,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-04-03 08:41:32,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spi_alloc_master [2023-04-03 08:41:32,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-04-03 08:41:32,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2023-04-03 08:41:32,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2023-04-03 08:41:32,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2023-04-03 08:41:32,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-04-03 08:41:32,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_init [2023-04-03 08:41:32,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2023-04-03 08:41:32,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-04-03 08:41:32,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kzalloc [2023-04-03 08:41:32,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-04-03 08:41:32,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-04-03 08:41:32,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-04-03 08:41:32,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2023-04-03 08:41:32,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-04-03 08:41:32,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc [2023-04-03 08:41:32,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-04-03 08:41:32,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-04-03 08:41:32,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-04-03 08:41:32,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xzalloc [2023-04-03 08:41:32,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-04-03 08:41:32,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2023-04-03 08:41:32,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_negative [2023-04-03 08:41:32,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_nonpositive [2023-04-03 08:41:32,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_create [2023-04-03 08:41:32,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_create_N [2023-04-03 08:41:32,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_join [2023-04-03 08:41:32,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_join_N [2023-04-03 08:41:32,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock__xmit_lock_of_netdev_queue [2023-04-03 08:41:32,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock__xmit_lock_of_netdev_queue [2023-04-03 08:41:32,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock__xmit_lock_of_netdev_queue [2023-04-03 08:41:32,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait__xmit_lock_of_netdev_queue [2023-04-03 08:41:32,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked__xmit_lock_of_netdev_queue [2023-04-03 08:41:32,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock__xmit_lock_of_netdev_queue [2023-04-03 08:41:32,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended__xmit_lock_of_netdev_queue [2023-04-03 08:41:32,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock__xmit_lock_of_netdev_queue [2023-04-03 08:41:32,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_addr_list_lock_of_net_device [2023-04-03 08:41:32,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_addr_list_lock_of_net_device [2023-04-03 08:41:32,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_addr_list_lock_of_net_device [2023-04-03 08:41:32,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_addr_list_lock_of_net_device [2023-04-03 08:41:32,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_addr_list_lock_of_net_device [2023-04-03 08:41:32,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_addr_list_lock_of_net_device [2023-04-03 08:41:32,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_addr_list_lock_of_net_device [2023-04-03 08:41:32,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_addr_list_lock_of_net_device [2023-04-03 08:41:32,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_alloc_lock_of_task_struct [2023-04-03 08:41:32,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_alloc_lock_of_task_struct [2023-04-03 08:41:32,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_alloc_lock_of_task_struct [2023-04-03 08:41:32,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_alloc_lock_of_task_struct [2023-04-03 08:41:32,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_alloc_lock_of_task_struct [2023-04-03 08:41:32,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_alloc_lock_of_task_struct [2023-04-03 08:41:32,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_alloc_lock_of_task_struct [2023-04-03 08:41:32,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_alloc_lock_of_task_struct [2023-04-03 08:41:32,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_i_lock_of_inode [2023-04-03 08:41:32,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_i_lock_of_inode [2023-04-03 08:41:32,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_i_lock_of_inode [2023-04-03 08:41:32,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_i_lock_of_inode [2023-04-03 08:41:32,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_i_lock_of_inode [2023-04-03 08:41:32,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_i_lock_of_inode [2023-04-03 08:41:32,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_i_lock_of_inode [2023-04-03 08:41:32,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_i_lock_of_inode [2023-04-03 08:41:32,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock [2023-04-03 08:41:32,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock [2023-04-03 08:41:32,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_lock [2023-04-03 08:41:32,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_lock [2023-04-03 08:41:32,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_lock [2023-04-03 08:41:32,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_lock [2023-04-03 08:41:32,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_lock [2023-04-03 08:41:32,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_lock [2023-04-03 08:41:32,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_NOT_ARG_SIGN [2023-04-03 08:41:32,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_NOT_ARG_SIGN [2023-04-03 08:41:32,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_lock_of_NOT_ARG_SIGN [2023-04-03 08:41:32,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_lock_of_NOT_ARG_SIGN [2023-04-03 08:41:32,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_lock_of_NOT_ARG_SIGN [2023-04-03 08:41:32,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_lock_of_NOT_ARG_SIGN [2023-04-03 08:41:32,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_lock_of_NOT_ARG_SIGN [2023-04-03 08:41:32,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_lock_of_NOT_ARG_SIGN [2023-04-03 08:41:32,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_netdev_private [2023-04-03 08:41:32,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_netdev_private [2023-04-03 08:41:32,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_lock_of_netdev_private [2023-04-03 08:41:32,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_lock_of_netdev_private [2023-04-03 08:41:32,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_lock_of_netdev_private [2023-04-03 08:41:32,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_lock_of_netdev_private [2023-04-03 08:41:32,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_lock_of_netdev_private [2023-04-03 08:41:32,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_lock_of_netdev_private [2023-04-03 08:41:32,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lru_lock_of_netns_frags [2023-04-03 08:41:32,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lru_lock_of_netns_frags [2023-04-03 08:41:32,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_lru_lock_of_netns_frags [2023-04-03 08:41:32,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_lru_lock_of_netns_frags [2023-04-03 08:41:32,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_lru_lock_of_netns_frags [2023-04-03 08:41:32,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_lru_lock_of_netns_frags [2023-04-03 08:41:32,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_lru_lock_of_netns_frags [2023-04-03 08:41:32,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_lru_lock_of_netns_frags [2023-04-03 08:41:32,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_node_size_lock_of_pglist_data [2023-04-03 08:41:32,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_node_size_lock_of_pglist_data [2023-04-03 08:41:32,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_node_size_lock_of_pglist_data [2023-04-03 08:41:32,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_node_size_lock_of_pglist_data [2023-04-03 08:41:32,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_node_size_lock_of_pglist_data [2023-04-03 08:41:32,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_node_size_lock_of_pglist_data [2023-04-03 08:41:32,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_node_size_lock_of_pglist_data [2023-04-03 08:41:32,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_node_size_lock_of_pglist_data [2023-04-03 08:41:32,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_ptl [2023-04-03 08:41:32,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_ptl [2023-04-03 08:41:32,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_ptl [2023-04-03 08:41:32,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_ptl [2023-04-03 08:41:32,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_ptl [2023-04-03 08:41:32,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_ptl [2023-04-03 08:41:32,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_ptl [2023-04-03 08:41:32,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_ptl [2023-04-03 08:41:32,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_siglock_of_sighand_struct [2023-04-03 08:41:32,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_siglock_of_sighand_struct [2023-04-03 08:41:32,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_siglock_of_sighand_struct [2023-04-03 08:41:32,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_siglock_of_sighand_struct [2023-04-03 08:41:32,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_siglock_of_sighand_struct [2023-04-03 08:41:32,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_siglock_of_sighand_struct [2023-04-03 08:41:32,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_siglock_of_sighand_struct [2023-04-03 08:41:32,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_siglock_of_sighand_struct [2023-04-03 08:41:32,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_tx_global_lock_of_net_device [2023-04-03 08:41:32,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_tx_global_lock_of_net_device [2023-04-03 08:41:32,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_tx_global_lock_of_net_device [2023-04-03 08:41:32,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_tx_global_lock_of_net_device [2023-04-03 08:41:32,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_tx_global_lock_of_net_device [2023-04-03 08:41:32,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_tx_global_lock_of_net_device [2023-04-03 08:41:32,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_tx_global_lock_of_net_device [2023-04-03 08:41:32,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_tx_global_lock_of_net_device [2023-04-03 08:41:32,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-04-03 08:41:32,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2023-04-03 08:41:32,810 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-03 08:41:32,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-04-03 08:41:32,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2023-04-03 08:41:32,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-04-03 08:41:32,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-04-03 08:41:32,811 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-04-03 08:41:32,811 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_irq [2023-04-03 08:41:32,811 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2023-04-03 08:41:32,811 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2023-04-03 08:41:32,811 INFO L138 BoogieDeclarations]: Found implementation of procedure __napi_schedule [2023-04-03 08:41:32,811 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2023-04-03 08:41:32,811 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2023-04-03 08:41:32,811 INFO L138 BoogieDeclarations]: Found implementation of procedure __pci_register_driver [2023-04-03 08:41:32,811 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-04-03 08:41:32,811 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-04-03 08:41:32,811 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2023-04-03 08:41:32,811 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irq [2023-04-03 08:41:32,811 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2023-04-03 08:41:32,811 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irq [2023-04-03 08:41:32,811 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2023-04-03 08:41:32,811 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2023-04-03 08:41:32,811 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_etherdev_mqs [2023-04-03 08:41:32,812 INFO L138 BoogieDeclarations]: Found implementation of procedure bitrev32 [2023-04-03 08:41:32,812 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2023-04-03 08:41:32,812 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2023-04-03 08:41:32,812 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_alloc_coherent [2023-04-03 08:41:32,812 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_free_coherent [2023-04-03 08:41:32,812 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2023-04-03 08:41:32,812 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_sync_single_for_cpu [2023-04-03 08:41:32,812 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_sync_single_for_device [2023-04-03 08:41:32,812 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2023-04-03 08:41:32,812 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2023-04-03 08:41:32,812 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-04-03 08:41:32,812 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2023-04-03 08:41:32,812 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2023-04-03 08:41:32,812 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_irq [2023-04-03 08:41:32,812 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_irq [2023-04-03 08:41:32,812 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2023-04-03 08:41:32,812 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2023-04-03 08:41:32,813 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-04-03 08:41:32,813 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-04-03 08:41:32,813 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-04-03 08:41:32,813 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2023-04-03 08:41:32,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap_nocache [2023-04-03 08:41:32,813 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2023-04-03 08:41:32,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2023-04-03 08:41:32,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2023-04-03 08:41:32,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-04-03 08:41:32,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2023-04-03 08:41:32,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2023-04-03 08:41:32,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_register_netdev [2023-04-03 08:41:32,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-04-03 08:41:32,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-04-03 08:41:32,813 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2023-04-03 08:41:32,813 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2023-04-03 08:41:32,813 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_complete [2023-04-03 08:41:32,813 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2023-04-03 08:41:32,814 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2023-04-03 08:41:32,814 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2023-04-03 08:41:32,814 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2023-04-03 08:41:32,814 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_add [2023-04-03 08:41:32,814 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_receive_skb [2023-04-03 08:41:32,814 INFO L138 BoogieDeclarations]: Found implementation of procedure netpoll_trap [2023-04-03 08:41:32,814 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_read_config_dword [2023-04-03 08:41:32,814 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_write_config_dword [2023-04-03 08:41:32,814 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2023-04-03 08:41:32,814 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-04-03 08:41:32,814 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_request_regions [2023-04-03 08:41:32,814 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2023-04-03 08:41:32,814 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2023-04-03 08:41:32,814 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-04-03 08:41:32,814 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2023-04-03 08:41:32,814 INFO L138 BoogieDeclarations]: Found implementation of procedure request_threaded_irq [2023-04-03 08:41:32,814 INFO L138 BoogieDeclarations]: Found implementation of procedure round_jiffies [2023-04-03 08:41:32,815 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2023-04-03 08:41:32,815 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2023-04-03 08:41:32,815 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2023-04-03 08:41:32,815 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-04-03 08:41:32,815 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2023-04-03 08:41:32,815 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-04-03 08:41:32,815 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-04-03 08:41:32,815 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-04-03 08:41:32,815 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-04-03 08:41:32,815 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-04-03 08:41:32,815 INFO L130 BoogieDeclarations]: Found specification of procedure __builtin_prefetch [2023-04-03 08:41:32,815 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-04-03 08:41:32,815 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2023-04-03 08:41:32,815 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-04-03 08:41:32,816 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-04-03 08:41:32,816 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-04-03 08:41:32,816 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2023-04-03 08:41:32,816 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-04-03 08:41:32,816 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-03 08:41:32,816 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-04-03 08:41:32,816 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2023-04-03 08:41:32,816 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-04-03 08:41:32,816 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-04-03 08:41:32,816 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2023-04-03 08:41:32,816 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2023-04-03 08:41:32,816 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-04-03 08:41:32,816 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2023-04-03 08:41:32,816 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-04-03 08:41:32,816 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2023-04-03 08:41:32,816 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-03 08:41:32,817 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2023-04-03 08:41:32,820 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2023-04-03 08:41:32,820 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_60 [2023-04-03 08:41:32,820 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_82 [2023-04-03 08:41:32,820 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_88 [2023-04-03 08:41:32,820 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_netdev_private [2023-04-03 08:41:32,820 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_netdev_private [2023-04-03 08:41:32,820 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2023-04-03 08:41:32,820 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_init [2023-04-03 08:41:32,820 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2023-04-03 08:41:32,820 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2023-04-03 08:41:32,820 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-04-03 08:41:32,820 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_register_netdev [2023-04-03 08:41:32,820 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-04-03 08:41:32,820 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-04-03 08:41:32,821 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-04-03 08:41:32,821 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-04-03 08:41:32,821 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-04-03 08:41:32,821 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-04-03 08:41:32,821 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-04-03 08:41:32,821 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-04-03 08:41:32,821 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-04-03 08:41:32,821 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2023-04-03 08:41:32,821 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irq [2023-04-03 08:41:32,821 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2023-04-03 08:41:32,821 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irq [2023-04-03 08:41:32,821 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2023-04-03 08:41:32,821 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-04-03 08:41:32,821 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-04-03 08:41:32,821 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_84 [2023-04-03 08:41:32,821 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2023-04-03 08:41:32,821 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_68 [2023-04-03 08:41:32,821 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-04-03 08:41:32,822 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_85 [2023-04-03 08:41:32,822 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2023-04-03 08:41:32,822 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_69 [2023-04-03 08:41:32,822 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-04-03 08:41:32,822 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_61 [2023-04-03 08:41:32,822 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2023-04-03 08:41:32,822 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2023-04-03 08:41:32,822 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_78 [2023-04-03 08:41:32,822 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_79 [2023-04-03 08:41:32,822 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_90 [2023-04-03 08:41:32,822 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_124 [2023-04-03 08:41:32,822 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2023-04-03 08:41:32,822 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2023-04-03 08:41:32,822 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync_111 [2023-04-03 08:41:32,822 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync_119 [2023-04-03 08:41:32,822 INFO L130 BoogieDeclarations]: Found specification of procedure round_jiffies [2023-04-03 08:41:32,822 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2023-04-03 08:41:32,822 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2023-04-03 08:41:32,823 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2023-04-03 08:41:32,823 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2023-04-03 08:41:32,823 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2023-04-03 08:41:32,823 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2023-04-03 08:41:32,823 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2023-04-03 08:41:32,823 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2023-04-03 08:41:32,823 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2023-04-03 08:41:32,823 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2023-04-03 08:41:32,823 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2023-04-03 08:41:32,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata_58 [2023-04-03 08:41:32,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata_59 [2023-04-03 08:41:32,823 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-04-03 08:41:32,823 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-04-03 08:41:32,823 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2023-04-03 08:41:32,823 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2023-04-03 08:41:32,823 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-04-03 08:41:32,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-04-03 08:41:32,824 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2023-04-03 08:41:32,824 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-04-03 08:41:32,824 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-04-03 08:41:32,824 INFO L130 BoogieDeclarations]: Found specification of procedure is_device_dma_capable [2023-04-03 08:41:32,824 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2023-04-03 08:41:32,824 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2023-04-03 08:41:32,824 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_alloc_coherent [2023-04-03 08:41:32,824 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_free_coherent [2023-04-03 08:41:32,824 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_sync_single_for_cpu [2023-04-03 08:41:32,824 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_sync_single_for_device [2023-04-03 08:41:32,824 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-04-03 08:41:32,824 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2023-04-03 08:41:32,824 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 08:41:32,824 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2023-04-03 08:41:32,824 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 08:41:32,824 INFO L130 BoogieDeclarations]: Found specification of procedure dma_sync_single_for_cpu [2023-04-03 08:41:32,825 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2023-04-03 08:41:32,825 INFO L130 BoogieDeclarations]: Found specification of procedure dma_sync_single_for_device [2023-04-03 08:41:32,825 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_coherent_mask [2023-04-03 08:41:32,825 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_coherent_gfp_flags [2023-04-03 08:41:32,825 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2023-04-03 08:41:32,825 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~gfp_t~0~X~$Pointer$~TO~$Pointer$ [2023-04-03 08:41:32,825 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2023-04-03 08:41:32,825 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-03 08:41:32,825 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 08:41:32,825 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2023-04-03 08:41:32,825 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2023-04-03 08:41:32,825 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2023-04-03 08:41:32,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-03 08:41:32,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-03 08:41:32,825 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2023-04-03 08:41:32,825 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2023-04-03 08:41:32,825 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_to_linear_data [2023-04-03 08:41:32,825 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-04-03 08:41:32,825 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2023-04-03 08:41:32,826 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed [2023-04-03 08:41:32,826 INFO L130 BoogieDeclarations]: Found specification of procedure __napi_schedule [2023-04-03 08:41:32,826 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable_pending [2023-04-03 08:41:32,826 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule_prep [2023-04-03 08:41:32,826 INFO L130 BoogieDeclarations]: Found specification of procedure napi_complete [2023-04-03 08:41:32,826 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2023-04-03 08:41:32,826 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2023-04-03 08:41:32,826 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-04-03 08:41:32,826 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-04-03 08:41:32,826 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_add [2023-04-03 08:41:32,826 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-04-03 08:41:32,826 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_65 [2023-04-03 08:41:32,826 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_118 [2023-04-03 08:41:32,826 INFO L130 BoogieDeclarations]: Found specification of procedure netpoll_trap [2023-04-03 08:41:32,826 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2023-04-03 08:41:32,826 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2023-04-03 08:41:32,827 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2023-04-03 08:41:32,827 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2023-04-03 08:41:32,827 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-04-03 08:41:32,827 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2023-04-03 08:41:32,827 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-04-03 08:41:32,827 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_queue_stopped [2023-04-03 08:41:32,827 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2023-04-03 08:41:32,827 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2023-04-03 08:41:32,827 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_irq [2023-04-03 08:41:32,827 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2023-04-03 08:41:32,827 INFO L130 BoogieDeclarations]: Found specification of procedure netif_receive_skb [2023-04-03 08:41:32,827 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2023-04-03 08:41:32,827 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2023-04-03 08:41:32,827 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2023-04-03 08:41:32,827 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_present [2023-04-03 08:41:32,827 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2023-04-03 08:41:32,827 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2023-04-03 08:41:32,827 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2023-04-03 08:41:32,828 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_63 [2023-04-03 08:41:32,828 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2023-04-03 08:41:32,828 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_64 [2023-04-03 08:41:32,828 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_117 [2023-04-03 08:41:32,828 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_read_config_dword [2023-04-03 08:41:32,828 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_write_config_dword [2023-04-03 08:41:32,828 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2023-04-03 08:41:32,828 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2023-04-03 08:41:32,828 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2023-04-03 08:41:32,828 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2023-04-03 08:41:32,828 INFO L130 BoogieDeclarations]: Found specification of procedure pci_request_regions [2023-04-03 08:41:32,828 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-04-03 08:41:32,828 INFO L130 BoogieDeclarations]: Found specification of procedure __pci_register_driver [2023-04-03 08:41:32,828 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___pci_register_driver_125 [2023-04-03 08:41:32,828 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2023-04-03 08:41:32,828 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_unregister_driver_126 [2023-04-03 08:41:32,829 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2023-04-03 08:41:32,829 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2023-04-03 08:41:32,829 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2023-04-03 08:41:32,829 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2023-04-03 08:41:32,829 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_cpu [2023-04-03 08:41:32,829 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_device [2023-04-03 08:41:32,829 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-04-03 08:41:32,829 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2023-04-03 08:41:32,829 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2023-04-03 08:41:32,829 INFO L130 BoogieDeclarations]: Found specification of procedure request_threaded_irq [2023-04-03 08:41:32,829 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2023-04-03 08:41:32,829 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_66 [2023-04-03 08:41:32,829 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-04-03 08:41:32,829 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_67 [2023-04-03 08:41:32,829 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_114 [2023-04-03 08:41:32,829 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq [2023-04-03 08:41:32,830 INFO L130 BoogieDeclarations]: Found specification of procedure enable_irq [2023-04-03 08:41:32,830 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2023-04-03 08:41:32,830 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2023-04-03 08:41:32,830 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-04-03 08:41:32,830 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_etherdev_mqs [2023-04-03 08:41:32,830 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_etherdev_mqs_62 [2023-04-03 08:41:32,830 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2023-04-03 08:41:32,830 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2023-04-03 08:41:32,830 INFO L130 BoogieDeclarations]: Found specification of procedure if_mii [2023-04-03 08:41:32,830 INFO L130 BoogieDeclarations]: Found specification of procedure mii_nway_result [2023-04-03 08:41:32,830 INFO L130 BoogieDeclarations]: Found specification of procedure bitrev32 [2023-04-03 08:41:32,830 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2023-04-03 08:41:32,830 INFO L130 BoogieDeclarations]: Found specification of procedure move_int_phy [2023-04-03 08:41:32,830 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_read [2023-04-03 08:41:32,831 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2023-04-03 08:41:32,831 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_write [2023-04-03 08:41:32,831 INFO L130 BoogieDeclarations]: Found specification of procedure init_phy_fixup [2023-04-03 08:41:32,831 INFO L130 BoogieDeclarations]: Found specification of procedure miiport_read [2023-04-03 08:41:32,831 INFO L130 BoogieDeclarations]: Found specification of procedure miiport_write [2023-04-03 08:41:32,831 INFO L130 BoogieDeclarations]: Found specification of procedure find_mii [2023-04-03 08:41:32,831 INFO L130 BoogieDeclarations]: Found specification of procedure natsemi_reset [2023-04-03 08:41:32,831 INFO L130 BoogieDeclarations]: Found specification of procedure natsemi_reload_eeprom [2023-04-03 08:41:32,831 INFO L130 BoogieDeclarations]: Found specification of procedure natsemi_stop_rxtx [2023-04-03 08:41:32,831 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_open [2023-04-03 08:41:32,831 INFO L130 BoogieDeclarations]: Found specification of procedure do_cable_magic [2023-04-03 08:41:32,831 INFO L130 BoogieDeclarations]: Found specification of procedure undo_cable_magic [2023-04-03 08:41:32,831 INFO L130 BoogieDeclarations]: Found specification of procedure check_link [2023-04-03 08:41:32,831 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_timer [2023-04-03 08:41:32,831 INFO L130 BoogieDeclarations]: Found specification of procedure dump_ring [2023-04-03 08:41:32,832 INFO L130 BoogieDeclarations]: Found specification of procedure ns_tx_timeout [2023-04-03 08:41:32,832 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_ring [2023-04-03 08:41:32,832 INFO L130 BoogieDeclarations]: Found specification of procedure refill_rx [2023-04-03 08:41:32,832 INFO L130 BoogieDeclarations]: Found specification of procedure init_ring [2023-04-03 08:41:32,832 INFO L130 BoogieDeclarations]: Found specification of procedure drain_tx [2023-04-03 08:41:32,832 INFO L130 BoogieDeclarations]: Found specification of procedure drain_ring [2023-04-03 08:41:32,832 INFO L130 BoogieDeclarations]: Found specification of procedure free_ring [2023-04-03 08:41:32,832 INFO L130 BoogieDeclarations]: Found specification of procedure reinit_ring [2023-04-03 08:41:32,832 INFO L130 BoogieDeclarations]: Found specification of procedure init_registers [2023-04-03 08:41:32,832 INFO L130 BoogieDeclarations]: Found specification of procedure start_tx [2023-04-03 08:41:32,832 INFO L130 BoogieDeclarations]: Found specification of procedure intr_handler [2023-04-03 08:41:32,832 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_error [2023-04-03 08:41:32,832 INFO L130 BoogieDeclarations]: Found specification of procedure natsemi_poll [2023-04-03 08:41:32,832 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_rx [2023-04-03 08:41:32,832 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_tx_done [2023-04-03 08:41:32,832 INFO L130 BoogieDeclarations]: Found specification of procedure natsemi_change_mtu [2023-04-03 08:41:32,832 INFO L130 BoogieDeclarations]: Found specification of procedure natsemi_poll_controller [2023-04-03 08:41:32,833 INFO L130 BoogieDeclarations]: Found specification of procedure __set_rx_mode [2023-04-03 08:41:32,833 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2023-04-03 08:41:32,833 INFO L130 BoogieDeclarations]: Found specification of procedure __get_stats [2023-04-03 08:41:32,833 INFO L130 BoogieDeclarations]: Found specification of procedure get_stats [2023-04-03 08:41:32,833 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_ioctl [2023-04-03 08:41:32,833 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_set_wol [2023-04-03 08:41:32,833 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_wol [2023-04-03 08:41:32,833 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_set_sopass [2023-04-03 08:41:32,833 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_sopass [2023-04-03 08:41:32,833 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_ecmd [2023-04-03 08:41:32,833 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_set_ecmd [2023-04-03 08:41:32,833 INFO L130 BoogieDeclarations]: Found specification of procedure enable_wol_mode [2023-04-03 08:41:32,833 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_close [2023-04-03 08:41:32,833 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_regs [2023-04-03 08:41:32,833 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_eeprom [2023-04-03 08:41:32,834 INFO L130 BoogieDeclarations]: Found specification of procedure natsemi_show_dspcfg_workaround [2023-04-03 08:41:32,834 INFO L130 BoogieDeclarations]: Found specification of procedure natsemi_set_dspcfg_workaround [2023-04-03 08:41:32,834 INFO L130 BoogieDeclarations]: Found specification of procedure ns_ioaddr [2023-04-03 08:41:32,834 INFO L130 BoogieDeclarations]: Found specification of procedure natsemi_irq_enable [2023-04-03 08:41:32,834 INFO L130 BoogieDeclarations]: Found specification of procedure natsemi_irq_disable [2023-04-03 08:41:32,834 INFO L130 BoogieDeclarations]: Found specification of procedure natsemi_init_media [2023-04-03 08:41:32,834 INFO L130 BoogieDeclarations]: Found specification of procedure natsemi_probe1 [2023-04-03 08:41:32,834 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-04-03 08:41:32,834 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-03 08:41:32,834 INFO L130 BoogieDeclarations]: Found specification of procedure mii_getbit [2023-04-03 08:41:32,834 INFO L130 BoogieDeclarations]: Found specification of procedure mii_send_bits [2023-04-03 08:41:32,834 INFO L130 BoogieDeclarations]: Found specification of procedure switch_port_external [2023-04-03 08:41:32,834 INFO L130 BoogieDeclarations]: Found specification of procedure switch_port_internal [2023-04-03 08:41:32,834 INFO L130 BoogieDeclarations]: Found specification of procedure reset_rx [2023-04-03 08:41:32,834 INFO L130 BoogieDeclarations]: Found specification of procedure set_bufsize [2023-04-03 08:41:32,834 INFO L130 BoogieDeclarations]: Found specification of procedure drain_rx [2023-04-03 08:41:32,835 INFO L130 BoogieDeclarations]: Found specification of procedure reinit_rx [2023-04-03 08:41:32,835 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-04-03 08:41:32,835 INFO L130 BoogieDeclarations]: Found specification of procedure get_drvinfo [2023-04-03 08:41:32,835 INFO L130 BoogieDeclarations]: Found specification of procedure get_regs_len [2023-04-03 08:41:32,835 INFO L130 BoogieDeclarations]: Found specification of procedure get_eeprom_len [2023-04-03 08:41:32,835 INFO L130 BoogieDeclarations]: Found specification of procedure get_settings [2023-04-03 08:41:32,835 INFO L130 BoogieDeclarations]: Found specification of procedure set_settings [2023-04-03 08:41:32,835 INFO L130 BoogieDeclarations]: Found specification of procedure get_wol [2023-04-03 08:41:32,835 INFO L130 BoogieDeclarations]: Found specification of procedure set_wol [2023-04-03 08:41:32,835 INFO L130 BoogieDeclarations]: Found specification of procedure get_regs [2023-04-03 08:41:32,835 INFO L130 BoogieDeclarations]: Found specification of procedure get_msglevel [2023-04-03 08:41:32,835 INFO L130 BoogieDeclarations]: Found specification of procedure set_msglevel [2023-04-03 08:41:32,835 INFO L130 BoogieDeclarations]: Found specification of procedure nway_reset [2023-04-03 08:41:32,835 INFO L130 BoogieDeclarations]: Found specification of procedure get_link [2023-04-03 08:41:32,835 INFO L130 BoogieDeclarations]: Found specification of procedure get_eeprom [2023-04-03 08:41:32,835 INFO L130 BoogieDeclarations]: Found specification of procedure natsemi_remove1 [2023-04-03 08:41:32,835 INFO L130 BoogieDeclarations]: Found specification of procedure natsemi_suspend [2023-04-03 08:41:32,835 INFO L130 BoogieDeclarations]: Found specification of procedure natsemi_resume [2023-04-03 08:41:32,836 INFO L130 BoogieDeclarations]: Found specification of procedure natsemi_init_mod [2023-04-03 08:41:32,836 INFO L130 BoogieDeclarations]: Found specification of procedure natsemi_exit_mod [2023-04-03 08:41:32,836 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_natsemi_exit_mod_15_2 [2023-04-03 08:41:32,836 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_init_natsemi_init_mod_15_9 [2023-04-03 08:41:32,836 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___pci_register_driver [2023-04-03 08:41:32,836 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_etherdev_mqs [2023-04-03 08:41:32,836 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_allocate_external_0 [2023-04-03 08:41:32,836 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2023-04-03 08:41:32,836 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_deregister_12_1 [2023-04-03 08:41:32,836 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_deregister_13_1 [2023-04-03 08:41:32,836 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_deregister_dummy_resourceless_instance_14_15_4 [2023-04-03 08:41:32,836 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_instance_deregister_6_1 [2023-04-03 08:41:32,836 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_instance_register_9_2 [2023-04-03 08:41:32,836 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_irq_deregister_7_1 [2023-04-03 08:41:32,836 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_irq_register_11_2 [2023-04-03 08:41:32,836 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_10_4 [2023-04-03 08:41:32,837 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_14_2 [2023-04-03 08:41:32,837 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_dummy_resourceless_instance_14_15_5 [2023-04-03 08:41:32,837 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_10 [2023-04-03 08:41:32,837 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_11 [2023-04-03 08:41:32,837 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_12 [2023-04-03 08:41:32,837 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_13 [2023-04-03 08:41:32,837 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_14 [2023-04-03 08:41:32,837 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_15 [2023-04-03 08:41:32,837 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_16 [2023-04-03 08:41:32,837 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_17 [2023-04-03 08:41:32,837 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_20 [2023-04-03 08:41:32,837 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_23 [2023-04-03 08:41:32,837 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_24 [2023-04-03 08:41:32,837 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_25 [2023-04-03 08:41:32,837 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_26 [2023-04-03 08:41:32,837 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_27 [2023-04-03 08:41:32,837 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_28 [2023-04-03 08:41:32,838 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_29 [2023-04-03 08:41:32,838 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_3 [2023-04-03 08:41:32,838 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_30 [2023-04-03 08:41:32,838 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_31 [2023-04-03 08:41:32,838 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_34 [2023-04-03 08:41:32,838 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_35 [2023-04-03 08:41:32,838 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_7 [2023-04-03 08:41:32,838 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_3_3 [2023-04-03 08:41:32,838 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_3_9 [2023-04-03 08:41:32,838 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_entry_EMGentry_15 [2023-04-03 08:41:32,838 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-03 08:41:32,838 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2023-04-03 08:41:32,838 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-04-03 08:41:32,838 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_external_data [2023-04-03 08:41:32,838 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_instance_handler_0_5 [2023-04-03 08:41:32,838 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_instance_thread_0_3 [2023-04-03 08:41:32,838 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_0 [2023-04-03 08:41:32,839 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2023-04-03 08:41:32,839 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_net_dummy_resourceless_instance_1 [2023-04-03 08:41:32,839 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_instance_probe_2_17 [2023-04-03 08:41:32,839 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_instance_release_2_2 [2023-04-03 08:41:32,839 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_instance_resume_2_5 [2023-04-03 08:41:32,839 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_instance_resume_early_2_6 [2023-04-03 08:41:32,839 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_instance_shutdown_2_3 [2023-04-03 08:41:32,839 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_instance_suspend_2_8 [2023-04-03 08:41:32,839 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_instance_suspend_late_2_7 [2023-04-03 08:41:32,839 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_pci_instance_2 [2023-04-03 08:41:32,839 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_unregister_driver [2023-04-03 08:41:32,839 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev [2023-04-03 08:41:32,839 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_open_10_6 [2023-04-03 08:41:32,839 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2023-04-03 08:41:32,839 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_struct_device_attribute_dummy_resourceless_instance_3 [2023-04-03 08:41:32,839 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-04-03 08:41:32,840 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-04-03 08:41:32,840 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_1 [2023-04-03 08:41:32,840 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_6 [2023-04-03 08:41:32,840 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_1 [2023-04-03 08:41:32,840 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_5 [2023-04-03 08:41:32,840 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_2_11 [2023-04-03 08:41:32,840 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_2_20 [2023-04-03 08:41:32,840 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_3_1 [2023-04-03 08:41:32,840 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_3_5 [2023-04-03 08:41:32,840 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_4_1 [2023-04-03 08:41:32,840 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_4_3 [2023-04-03 08:41:32,840 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_instance_callback_4_2 [2023-04-03 08:41:32,840 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_timer_instance_4 [2023-04-03 08:41:32,840 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2023-04-03 08:41:32,840 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_stop_12_2 [2023-04-03 08:41:32,840 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2023-04-03 08:41:32,840 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-04-03 08:41:32,841 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-04-03 08:41:32,841 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-04-03 08:41:32,841 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2023-04-03 08:41:32,841 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xzalloc [2023-04-03 08:41:32,841 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-04-03 08:41:32,841 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spi_alloc_master [2023-04-03 08:41:32,841 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-04-03 08:41:32,841 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2023-04-03 08:41:32,841 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2023-04-03 08:41:32,841 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2023-04-03 08:41:32,841 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-04-03 08:41:32,841 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-04-03 08:41:32,841 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2023-04-03 08:41:32,841 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kzalloc [2023-04-03 08:41:32,841 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2023-04-03 08:41:32,841 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2023-04-03 08:41:32,842 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2023-04-03 08:41:32,842 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-03 08:41:32,842 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2023-04-03 08:41:32,842 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-03 08:41:32,842 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-03 08:41:32,842 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-04-03 08:41:32,842 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2023-04-03 08:41:32,842 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_negative [2023-04-03 08:41:32,842 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_nonpositive [2023-04-03 08:41:32,842 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-03 08:41:32,842 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2023-04-03 08:41:32,842 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_create [2023-04-03 08:41:32,842 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_create_N [2023-04-03 08:41:32,842 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_join [2023-04-03 08:41:32,842 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_join_N [2023-04-03 08:41:32,842 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-04-03 08:41:32,842 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2023-04-03 08:41:32,843 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-04-03 08:41:32,843 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-04-03 08:41:32,843 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock__xmit_lock_of_netdev_queue [2023-04-03 08:41:32,843 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock__xmit_lock_of_netdev_queue [2023-04-03 08:41:32,843 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock__xmit_lock_of_netdev_queue [2023-04-03 08:41:32,843 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait__xmit_lock_of_netdev_queue [2023-04-03 08:41:32,843 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked__xmit_lock_of_netdev_queue [2023-04-03 08:41:32,843 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock__xmit_lock_of_netdev_queue [2023-04-03 08:41:32,843 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended__xmit_lock_of_netdev_queue [2023-04-03 08:41:32,843 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock__xmit_lock_of_netdev_queue [2023-04-03 08:41:32,843 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_addr_list_lock_of_net_device [2023-04-03 08:41:32,843 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_addr_list_lock_of_net_device [2023-04-03 08:41:32,843 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_addr_list_lock_of_net_device [2023-04-03 08:41:32,843 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_addr_list_lock_of_net_device [2023-04-03 08:41:32,843 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_addr_list_lock_of_net_device [2023-04-03 08:41:32,843 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_addr_list_lock_of_net_device [2023-04-03 08:41:32,844 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_addr_list_lock_of_net_device [2023-04-03 08:41:32,844 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_addr_list_lock_of_net_device [2023-04-03 08:41:32,844 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_alloc_lock_of_task_struct [2023-04-03 08:41:32,844 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_alloc_lock_of_task_struct [2023-04-03 08:41:32,844 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_alloc_lock_of_task_struct [2023-04-03 08:41:32,844 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_alloc_lock_of_task_struct [2023-04-03 08:41:32,844 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_alloc_lock_of_task_struct [2023-04-03 08:41:32,844 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_alloc_lock_of_task_struct [2023-04-03 08:41:32,844 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_alloc_lock_of_task_struct [2023-04-03 08:41:32,844 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_alloc_lock_of_task_struct [2023-04-03 08:41:32,844 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_i_lock_of_inode [2023-04-03 08:41:32,844 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_i_lock_of_inode [2023-04-03 08:41:32,844 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_i_lock_of_inode [2023-04-03 08:41:32,844 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_i_lock_of_inode [2023-04-03 08:41:32,844 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_i_lock_of_inode [2023-04-03 08:41:32,844 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_i_lock_of_inode [2023-04-03 08:41:32,845 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_i_lock_of_inode [2023-04-03 08:41:32,845 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_i_lock_of_inode [2023-04-03 08:41:32,845 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock [2023-04-03 08:41:32,845 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock [2023-04-03 08:41:32,845 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_lock [2023-04-03 08:41:32,845 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_lock [2023-04-03 08:41:32,845 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_lock [2023-04-03 08:41:32,845 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_lock [2023-04-03 08:41:32,845 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_lock [2023-04-03 08:41:32,845 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_lock [2023-04-03 08:41:32,845 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_NOT_ARG_SIGN [2023-04-03 08:41:32,845 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_NOT_ARG_SIGN [2023-04-03 08:41:32,845 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_lock_of_NOT_ARG_SIGN [2023-04-03 08:41:32,845 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_lock_of_NOT_ARG_SIGN [2023-04-03 08:41:32,845 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_lock_of_NOT_ARG_SIGN [2023-04-03 08:41:32,845 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_lock_of_NOT_ARG_SIGN [2023-04-03 08:41:32,845 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_lock_of_NOT_ARG_SIGN [2023-04-03 08:41:32,846 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_lock_of_NOT_ARG_SIGN [2023-04-03 08:41:32,846 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_lock_of_netdev_private [2023-04-03 08:41:32,846 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_lock_of_netdev_private [2023-04-03 08:41:32,846 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_lock_of_netdev_private [2023-04-03 08:41:32,846 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_lock_of_netdev_private [2023-04-03 08:41:32,846 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_lock_of_netdev_private [2023-04-03 08:41:32,846 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_lock_of_netdev_private [2023-04-03 08:41:32,846 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lru_lock_of_netns_frags [2023-04-03 08:41:32,846 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lru_lock_of_netns_frags [2023-04-03 08:41:32,846 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_lru_lock_of_netns_frags [2023-04-03 08:41:32,846 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_lru_lock_of_netns_frags [2023-04-03 08:41:32,846 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_lru_lock_of_netns_frags [2023-04-03 08:41:32,846 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_lru_lock_of_netns_frags [2023-04-03 08:41:32,846 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_lru_lock_of_netns_frags [2023-04-03 08:41:32,846 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_lru_lock_of_netns_frags [2023-04-03 08:41:32,846 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_node_size_lock_of_pglist_data [2023-04-03 08:41:32,846 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_node_size_lock_of_pglist_data [2023-04-03 08:41:32,846 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_node_size_lock_of_pglist_data [2023-04-03 08:41:32,847 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_node_size_lock_of_pglist_data [2023-04-03 08:41:32,847 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_node_size_lock_of_pglist_data [2023-04-03 08:41:32,847 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_node_size_lock_of_pglist_data [2023-04-03 08:41:32,847 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_node_size_lock_of_pglist_data [2023-04-03 08:41:32,847 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_node_size_lock_of_pglist_data [2023-04-03 08:41:32,847 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_ptl [2023-04-03 08:41:32,847 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_ptl [2023-04-03 08:41:32,847 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_ptl [2023-04-03 08:41:32,847 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_ptl [2023-04-03 08:41:32,847 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_ptl [2023-04-03 08:41:32,847 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_ptl [2023-04-03 08:41:32,847 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_ptl [2023-04-03 08:41:32,847 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_ptl [2023-04-03 08:41:32,847 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_siglock_of_sighand_struct [2023-04-03 08:41:32,847 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_siglock_of_sighand_struct [2023-04-03 08:41:32,847 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_siglock_of_sighand_struct [2023-04-03 08:41:32,847 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_siglock_of_sighand_struct [2023-04-03 08:41:32,847 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_siglock_of_sighand_struct [2023-04-03 08:41:32,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_siglock_of_sighand_struct [2023-04-03 08:41:32,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_siglock_of_sighand_struct [2023-04-03 08:41:32,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_siglock_of_sighand_struct [2023-04-03 08:41:32,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_tx_global_lock_of_net_device [2023-04-03 08:41:32,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_tx_global_lock_of_net_device [2023-04-03 08:41:32,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_tx_global_lock_of_net_device [2023-04-03 08:41:32,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_tx_global_lock_of_net_device [2023-04-03 08:41:32,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_tx_global_lock_of_net_device [2023-04-03 08:41:32,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_tx_global_lock_of_net_device [2023-04-03 08:41:32,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_tx_global_lock_of_net_device [2023-04-03 08:41:32,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_tx_global_lock_of_net_device [2023-04-03 08:41:32,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2023-04-03 08:41:32,848 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-03 08:41:32,848 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-03 08:41:32,848 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2023-04-03 08:41:32,848 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2023-04-03 08:41:32,848 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-03 08:41:32,848 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2023-04-03 08:41:32,849 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2023-04-03 08:41:32,849 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-03 08:41:32,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-03 08:41:32,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-04-03 08:41:32,849 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-03 08:41:32,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-04-03 08:41:32,849 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-04-03 08:41:32,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-04-03 08:41:32,849 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-04-03 08:41:33,892 INFO L236 CfgBuilder]: Building ICFG [2023-04-03 08:41:33,901 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-03 08:41:36,227 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint mainFINAL: assume true; [2023-04-03 08:41:36,923 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-04-03 08:41:38,689 INFO L277 CfgBuilder]: Performing block encoding [2023-04-03 08:41:43,923 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-03 08:41:43,923 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-04-03 08:41:43,931 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 08:41:43 BoogieIcfgContainer [2023-04-03 08:41:43,931 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-03 08:41:43,933 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-03 08:41:43,934 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-03 08:41:43,937 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-03 08:41:43,937 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.04 08:41:27" (1/3) ... [2023-04-03 08:41:43,938 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54c55eb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 08:41:43, skipping insertion in model container [2023-04-03 08:41:43,938 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 08:41:32" (2/3) ... [2023-04-03 08:41:43,938 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54c55eb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 08:41:43, skipping insertion in model container [2023-04-03 08:41:43,938 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 08:41:43" (3/3) ... [2023-04-03 08:41:43,939 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-natsemi-natsemi.cil.i [2023-04-03 08:41:43,957 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-03 08:41:43,957 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2023-04-03 08:41:44,091 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-03 08:41:44,098 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;@5b5fed7d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-03 08:41:44,098 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-04-03 08:41:44,114 INFO L276 IsEmpty]: Start isEmpty. Operand has 3382 states, 1766 states have (on average 1.1987542468856172) internal successors, (2117), 1822 states have internal predecessors, (2117), 1144 states have call successors, (1144), 366 states have call predecessors, (1144), 364 states have return successors, (1137), 1121 states have call predecessors, (1137), 1137 states have call successors, (1137) [2023-04-03 08:41:44,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2023-04-03 08:41:44,140 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 08:41:44,141 INFO L195 NwaCegarLoop]: trace histogram [16, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:41:44,141 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 08:41:44,146 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 08:41:44,146 INFO L85 PathProgramCache]: Analyzing trace with hash -1320043879, now seen corresponding path program 1 times [2023-04-03 08:41:44,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 08:41:44,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1550497581] [2023-04-03 08:41:44,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 08:41:44,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 08:41:44,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 08:41:45,116 INFO L134 CoverageAnalysis]: Checked inductivity of 870 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 870 trivial. 0 not checked. [2023-04-03 08:41:45,117 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 08:41:45,117 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1550497581] [2023-04-03 08:41:45,118 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1550497581] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 08:41:45,118 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 08:41:45,118 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 08:41:45,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [696181133] [2023-04-03 08:41:45,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 08:41:45,124 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 08:41:45,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 08:41:45,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 08:41:45,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 08:41:45,159 INFO L87 Difference]: Start difference. First operand has 3382 states, 1766 states have (on average 1.1987542468856172) internal successors, (2117), 1822 states have internal predecessors, (2117), 1144 states have call successors, (1144), 366 states have call predecessors, (1144), 364 states have return successors, (1137), 1121 states have call predecessors, (1137), 1137 states have call successors, (1137) Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2023-04-03 08:41:48,262 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 08:41:49,912 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 08:41:52,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 08:41:52,419 INFO L93 Difference]: Finished difference Result 8379 states and 11461 transitions. [2023-04-03 08:41:52,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 08:41:52,422 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 186 [2023-04-03 08:41:52,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 08:41:52,479 INFO L225 Difference]: With dead ends: 8379 [2023-04-03 08:41:52,479 INFO L226 Difference]: Without dead ends: 5544 [2023-04-03 08:41:52,507 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 08:41:52,510 INFO L413 NwaCegarLoop]: 3440 mSDtfsCounter, 3654 mSDsluCounter, 3362 mSDsCounter, 0 mSdLazyCounter, 821 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3654 SdHoareTripleChecker+Valid, 6802 SdHoareTripleChecker+Invalid, 828 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 821 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2023-04-03 08:41:52,511 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3654 Valid, 6802 Invalid, 828 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 821 Invalid, 0 Unknown, 0 Unchecked, 6.8s Time] [2023-04-03 08:41:52,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5544 states. [2023-04-03 08:41:52,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5544 to 5540. [2023-04-03 08:41:52,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5540 states, 2935 states have (on average 1.2054514480408858) internal successors, (3538), 3028 states have internal predecessors, (3538), 1939 states have call successors, (1939), 666 states have call predecessors, (1939), 663 states have return successors, (1934), 1902 states have call predecessors, (1934), 1934 states have call successors, (1934) [2023-04-03 08:41:52,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5540 states to 5540 states and 7411 transitions. [2023-04-03 08:41:52,952 INFO L78 Accepts]: Start accepts. Automaton has 5540 states and 7411 transitions. Word has length 186 [2023-04-03 08:41:52,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 08:41:52,956 INFO L495 AbstractCegarLoop]: Abstraction has 5540 states and 7411 transitions. [2023-04-03 08:41:52,957 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2023-04-03 08:41:52,957 INFO L276 IsEmpty]: Start isEmpty. Operand 5540 states and 7411 transitions. [2023-04-03 08:41:52,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2023-04-03 08:41:52,969 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 08:41:52,970 INFO L195 NwaCegarLoop]: trace histogram [16, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:41:52,970 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-03 08:41:52,970 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 08:41:52,971 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 08:41:52,971 INFO L85 PathProgramCache]: Analyzing trace with hash -10423569, now seen corresponding path program 1 times [2023-04-03 08:41:52,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 08:41:52,972 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1425746615] [2023-04-03 08:41:52,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 08:41:52,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 08:41:53,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 08:41:53,815 INFO L134 CoverageAnalysis]: Checked inductivity of 870 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 870 trivial. 0 not checked. [2023-04-03 08:41:53,816 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 08:41:53,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1425746615] [2023-04-03 08:41:53,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1425746615] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 08:41:53,819 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 08:41:53,819 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 08:41:53,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [386442117] [2023-04-03 08:41:53,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 08:41:53,822 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 08:41:53,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 08:41:53,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 08:41:53,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 08:41:53,824 INFO L87 Difference]: Start difference. First operand 5540 states and 7411 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2023-04-03 08:41:58,940 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 08:42:00,425 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 08:42:00,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 08:42:00,746 INFO L93 Difference]: Finished difference Result 12046 states and 16171 transitions. [2023-04-03 08:42:00,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 08:42:00,746 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 198 [2023-04-03 08:42:00,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 08:42:00,797 INFO L225 Difference]: With dead ends: 12046 [2023-04-03 08:42:00,798 INFO L226 Difference]: Without dead ends: 6550 [2023-04-03 08:42:00,827 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 08:42:00,828 INFO L413 NwaCegarLoop]: 3440 mSDtfsCounter, 2556 mSDsluCounter, 3362 mSDsCounter, 0 mSdLazyCounter, 858 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2556 SdHoareTripleChecker+Valid, 6802 SdHoareTripleChecker+Invalid, 875 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 858 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2023-04-03 08:42:00,828 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2556 Valid, 6802 Invalid, 875 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 858 Invalid, 0 Unknown, 0 Unchecked, 6.6s Time] [2023-04-03 08:42:00,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6550 states. [2023-04-03 08:42:01,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6550 to 6519. [2023-04-03 08:42:01,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6519 states, 3512 states have (on average 1.2118451025056947) internal successors, (4256), 3623 states have internal predecessors, (4256), 2243 states have call successors, (2243), 768 states have call predecessors, (2243), 761 states have return successors, (2245), 2196 states have call predecessors, (2245), 2238 states have call successors, (2245) [2023-04-03 08:42:01,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6519 states to 6519 states and 8744 transitions. [2023-04-03 08:42:01,175 INFO L78 Accepts]: Start accepts. Automaton has 6519 states and 8744 transitions. Word has length 198 [2023-04-03 08:42:01,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 08:42:01,177 INFO L495 AbstractCegarLoop]: Abstraction has 6519 states and 8744 transitions. [2023-04-03 08:42:01,178 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2023-04-03 08:42:01,178 INFO L276 IsEmpty]: Start isEmpty. Operand 6519 states and 8744 transitions. [2023-04-03 08:42:01,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2023-04-03 08:42:01,181 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 08:42:01,181 INFO L195 NwaCegarLoop]: trace histogram [16, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:42:01,181 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-03 08:42:01,182 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 08:42:01,182 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 08:42:01,182 INFO L85 PathProgramCache]: Analyzing trace with hash -1207559987, now seen corresponding path program 1 times [2023-04-03 08:42:01,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 08:42:01,184 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1908525248] [2023-04-03 08:42:01,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 08:42:01,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 08:42:01,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 08:42:01,579 INFO L134 CoverageAnalysis]: Checked inductivity of 870 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 870 trivial. 0 not checked. [2023-04-03 08:42:01,580 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 08:42:01,582 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1908525248] [2023-04-03 08:42:01,582 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1908525248] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 08:42:01,582 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 08:42:01,582 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 08:42:01,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1109672640] [2023-04-03 08:42:01,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 08:42:01,583 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 08:42:01,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 08:42:01,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 08:42:01,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 08:42:01,585 INFO L87 Difference]: Start difference. First operand 6519 states and 8744 transitions. Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2023-04-03 08:42:05,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 08:42:05,145 INFO L93 Difference]: Finished difference Result 15230 states and 20381 transitions. [2023-04-03 08:42:05,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 08:42:05,145 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 198 [2023-04-03 08:42:05,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 08:42:05,201 INFO L225 Difference]: With dead ends: 15230 [2023-04-03 08:42:05,201 INFO L226 Difference]: Without dead ends: 8755 [2023-04-03 08:42:05,229 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 08:42:05,232 INFO L413 NwaCegarLoop]: 3423 mSDtfsCounter, 2919 mSDsluCounter, 3307 mSDsCounter, 0 mSdLazyCounter, 884 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2919 SdHoareTripleChecker+Valid, 6730 SdHoareTripleChecker+Invalid, 891 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 884 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2023-04-03 08:42:05,234 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2919 Valid, 6730 Invalid, 891 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 884 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2023-04-03 08:42:05,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8755 states. [2023-04-03 08:42:05,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8755 to 8722. [2023-04-03 08:42:05,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8722 states, 4645 states have (on average 1.202368137782562) internal successors, (5585), 4809 states have internal predecessors, (5585), 3014 states have call successors, (3014), 1076 states have call predecessors, (3014), 1060 states have return successors, (3034), 2927 states have call predecessors, (3034), 3009 states have call successors, (3034) [2023-04-03 08:42:05,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8722 states to 8722 states and 11633 transitions. [2023-04-03 08:42:05,661 INFO L78 Accepts]: Start accepts. Automaton has 8722 states and 11633 transitions. Word has length 198 [2023-04-03 08:42:05,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 08:42:05,662 INFO L495 AbstractCegarLoop]: Abstraction has 8722 states and 11633 transitions. [2023-04-03 08:42:05,663 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2023-04-03 08:42:05,663 INFO L276 IsEmpty]: Start isEmpty. Operand 8722 states and 11633 transitions. [2023-04-03 08:42:05,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2023-04-03 08:42:05,666 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 08:42:05,667 INFO L195 NwaCegarLoop]: trace histogram [16, 15, 15, 15, 15, 15, 15, 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] [2023-04-03 08:42:05,667 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-03 08:42:05,667 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 08:42:05,667 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 08:42:05,667 INFO L85 PathProgramCache]: Analyzing trace with hash 1796191181, now seen corresponding path program 1 times [2023-04-03 08:42:05,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 08:42:05,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1075153732] [2023-04-03 08:42:05,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 08:42:05,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 08:42:05,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 08:42:06,057 INFO L134 CoverageAnalysis]: Checked inductivity of 872 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 872 trivial. 0 not checked. [2023-04-03 08:42:06,057 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 08:42:06,057 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1075153732] [2023-04-03 08:42:06,057 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1075153732] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 08:42:06,057 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 08:42:06,057 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 08:42:06,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1842731190] [2023-04-03 08:42:06,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 08:42:06,058 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 08:42:06,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 08:42:06,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 08:42:06,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 08:42:06,059 INFO L87 Difference]: Start difference. First operand 8722 states and 11633 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2023-04-03 08:42:11,379 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 08:42:12,704 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 08:42:12,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 08:42:12,729 INFO L93 Difference]: Finished difference Result 23348 states and 31122 transitions. [2023-04-03 08:42:12,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 08:42:12,729 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 210 [2023-04-03 08:42:12,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 08:42:12,845 INFO L225 Difference]: With dead ends: 23348 [2023-04-03 08:42:12,845 INFO L226 Difference]: Without dead ends: 14670 [2023-04-03 08:42:12,886 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 08:42:12,890 INFO L413 NwaCegarLoop]: 3428 mSDtfsCounter, 3635 mSDsluCounter, 3200 mSDsCounter, 0 mSdLazyCounter, 792 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3635 SdHoareTripleChecker+Valid, 6628 SdHoareTripleChecker+Invalid, 795 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 792 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2023-04-03 08:42:12,891 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3635 Valid, 6628 Invalid, 795 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 792 Invalid, 0 Unknown, 0 Unchecked, 6.1s Time] [2023-04-03 08:42:12,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14670 states. [2023-04-03 08:42:13,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14670 to 14629. [2023-04-03 08:42:13,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14629 states, 7844 states have (on average 1.2043600203977562) internal successors, (9447), 8115 states have internal predecessors, (9447), 4978 states have call successors, (4978), 1848 states have call predecessors, (4978), 1804 states have return successors, (5056), 4806 states have call predecessors, (5056), 4973 states have call successors, (5056) [2023-04-03 08:42:13,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14629 states to 14629 states and 19481 transitions. [2023-04-03 08:42:13,570 INFO L78 Accepts]: Start accepts. Automaton has 14629 states and 19481 transitions. Word has length 210 [2023-04-03 08:42:13,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 08:42:13,570 INFO L495 AbstractCegarLoop]: Abstraction has 14629 states and 19481 transitions. [2023-04-03 08:42:13,571 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2023-04-03 08:42:13,571 INFO L276 IsEmpty]: Start isEmpty. Operand 14629 states and 19481 transitions. [2023-04-03 08:42:13,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2023-04-03 08:42:13,573 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 08:42:13,573 INFO L195 NwaCegarLoop]: trace histogram [16, 15, 15, 15, 15, 15, 15, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 08:42:13,574 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-03 08:42:13,574 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 08:42:13,574 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 08:42:13,574 INFO L85 PathProgramCache]: Analyzing trace with hash 375344807, now seen corresponding path program 1 times [2023-04-03 08:42:13,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 08:42:13,575 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [699354076] [2023-04-03 08:42:13,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 08:42:13,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 08:42:13,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 08:42:14,050 INFO L134 CoverageAnalysis]: Checked inductivity of 873 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 873 trivial. 0 not checked. [2023-04-03 08:42:14,050 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 08:42:14,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [699354076] [2023-04-03 08:42:14,051 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [699354076] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 08:42:14,051 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 08:42:14,051 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 08:42:14,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1734938254] [2023-04-03 08:42:14,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 08:42:14,052 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 08:42:14,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 08:42:14,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 08:42:14,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 08:42:14,053 INFO L87 Difference]: Start difference. First operand 14629 states and 19481 transitions. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2023-04-03 08:42:20,025 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 08:42:21,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 08:42:21,523 INFO L93 Difference]: Finished difference Result 42919 states and 57284 transitions. [2023-04-03 08:42:21,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 08:42:21,525 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 215 [2023-04-03 08:42:21,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 08:42:21,718 INFO L225 Difference]: With dead ends: 42919 [2023-04-03 08:42:21,719 INFO L226 Difference]: Without dead ends: 28334 [2023-04-03 08:42:21,814 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 08:42:21,817 INFO L413 NwaCegarLoop]: 4081 mSDtfsCounter, 3666 mSDsluCounter, 3391 mSDsCounter, 0 mSdLazyCounter, 893 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3666 SdHoareTripleChecker+Valid, 7472 SdHoareTripleChecker+Invalid, 900 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 893 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2023-04-03 08:42:21,818 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3666 Valid, 7472 Invalid, 900 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 893 Invalid, 0 Unknown, 0 Unchecked, 6.6s Time] [2023-04-03 08:42:21,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28334 states. [2023-04-03 08:42:23,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28334 to 28261. [2023-04-03 08:42:23,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28261 states, 15173 states have (on average 1.2025967178540828) internal successors, (18247), 15722 states have internal predecessors, (18247), 9632 states have call successors, (9632), 3538 states have call predecessors, (9632), 3453 states have return successors, (9816), 9279 states have call predecessors, (9816), 9627 states have call successors, (9816) [2023-04-03 08:42:23,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28261 states to 28261 states and 37695 transitions. [2023-04-03 08:42:23,442 INFO L78 Accepts]: Start accepts. Automaton has 28261 states and 37695 transitions. Word has length 215 [2023-04-03 08:42:23,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 08:42:23,443 INFO L495 AbstractCegarLoop]: Abstraction has 28261 states and 37695 transitions. [2023-04-03 08:42:23,443 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2023-04-03 08:42:23,443 INFO L276 IsEmpty]: Start isEmpty. Operand 28261 states and 37695 transitions. [2023-04-03 08:42:23,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2023-04-03 08:42:23,447 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 08:42:23,447 INFO L195 NwaCegarLoop]: trace histogram [19, 15, 15, 15, 15, 15, 15, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 08:42:23,447 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-04-03 08:42:23,447 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 08:42:23,448 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 08:42:23,448 INFO L85 PathProgramCache]: Analyzing trace with hash 1808693399, now seen corresponding path program 1 times [2023-04-03 08:42:23,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 08:42:23,448 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508626538] [2023-04-03 08:42:23,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 08:42:23,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 08:42:23,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 08:42:24,078 INFO L134 CoverageAnalysis]: Checked inductivity of 1001 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 994 trivial. 0 not checked. [2023-04-03 08:42:24,078 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 08:42:24,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [508626538] [2023-04-03 08:42:24,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [508626538] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 08:42:24,079 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 08:42:24,079 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 08:42:24,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [767274177] [2023-04-03 08:42:24,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 08:42:24,080 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 08:42:24,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 08:42:24,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 08:42:24,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 08:42:24,080 INFO L87 Difference]: Start difference. First operand 28261 states and 37695 transitions. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (40), 3 states have call predecessors, (40), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2023-04-03 08:42:29,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 08:42:29,222 INFO L93 Difference]: Finished difference Result 28267 states and 37700 transitions. [2023-04-03 08:42:29,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 08:42:29,223 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (40), 3 states have call predecessors, (40), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 258 [2023-04-03 08:42:29,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 08:42:29,368 INFO L225 Difference]: With dead ends: 28267 [2023-04-03 08:42:29,368 INFO L226 Difference]: Without dead ends: 28265 [2023-04-03 08:42:29,389 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-04-03 08:42:29,390 INFO L413 NwaCegarLoop]: 3409 mSDtfsCounter, 3789 mSDsluCounter, 6806 mSDsCounter, 0 mSdLazyCounter, 1222 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3800 SdHoareTripleChecker+Valid, 10215 SdHoareTripleChecker+Invalid, 1223 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1222 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2023-04-03 08:42:29,391 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3800 Valid, 10215 Invalid, 1223 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1222 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2023-04-03 08:42:29,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28265 states. [2023-04-03 08:42:30,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28265 to 28265. [2023-04-03 08:42:30,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28265 states, 15176 states have (on average 1.2025566684238271) internal successors, (18250), 15725 states have internal predecessors, (18250), 9632 states have call successors, (9632), 3539 states have call predecessors, (9632), 3454 states have return successors, (9816), 9279 states have call predecessors, (9816), 9627 states have call successors, (9816) [2023-04-03 08:42:30,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28265 states to 28265 states and 37698 transitions. [2023-04-03 08:42:30,712 INFO L78 Accepts]: Start accepts. Automaton has 28265 states and 37698 transitions. Word has length 258 [2023-04-03 08:42:30,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 08:42:30,713 INFO L495 AbstractCegarLoop]: Abstraction has 28265 states and 37698 transitions. [2023-04-03 08:42:30,713 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (40), 3 states have call predecessors, (40), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2023-04-03 08:42:30,713 INFO L276 IsEmpty]: Start isEmpty. Operand 28265 states and 37698 transitions. [2023-04-03 08:42:30,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2023-04-03 08:42:30,723 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 08:42:30,723 INFO L195 NwaCegarLoop]: trace histogram [19, 15, 15, 15, 15, 15, 15, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 08:42:30,723 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-04-03 08:42:30,723 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 08:42:30,723 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 08:42:30,724 INFO L85 PathProgramCache]: Analyzing trace with hash -416535767, now seen corresponding path program 1 times [2023-04-03 08:42:30,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 08:42:30,724 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [588127904] [2023-04-03 08:42:30,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 08:42:30,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 08:42:30,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 08:42:31,403 INFO L134 CoverageAnalysis]: Checked inductivity of 1003 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 994 trivial. 0 not checked. [2023-04-03 08:42:31,404 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 08:42:31,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [588127904] [2023-04-03 08:42:31,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [588127904] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 08:42:31,404 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 08:42:31,404 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 08:42:31,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1399462474] [2023-04-03 08:42:31,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 08:42:31,406 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 08:42:31,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 08:42:31,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 08:42:31,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 08:42:31,407 INFO L87 Difference]: Start difference. First operand 28265 states and 37698 transitions. Second operand has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (41), 3 states have call predecessors, (41), 2 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2023-04-03 08:42:36,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 08:42:36,666 INFO L93 Difference]: Finished difference Result 28271 states and 37703 transitions. [2023-04-03 08:42:36,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 08:42:36,667 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (41), 3 states have call predecessors, (41), 2 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) Word has length 263 [2023-04-03 08:42:36,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 08:42:36,814 INFO L225 Difference]: With dead ends: 28271 [2023-04-03 08:42:36,815 INFO L226 Difference]: Without dead ends: 28269 [2023-04-03 08:42:36,839 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-04-03 08:42:36,840 INFO L413 NwaCegarLoop]: 3412 mSDtfsCounter, 3784 mSDsluCounter, 6806 mSDsCounter, 0 mSdLazyCounter, 1222 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3794 SdHoareTripleChecker+Valid, 10218 SdHoareTripleChecker+Invalid, 1223 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1222 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2023-04-03 08:42:36,840 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3794 Valid, 10218 Invalid, 1223 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1222 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2023-04-03 08:42:36,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28269 states. [2023-04-03 08:42:38,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28269 to 28269. [2023-04-03 08:42:38,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28269 states, 15179 states have (on average 1.2025166348244285) internal successors, (18253), 15728 states have internal predecessors, (18253), 9632 states have call successors, (9632), 3540 states have call predecessors, (9632), 3455 states have return successors, (9816), 9279 states have call predecessors, (9816), 9627 states have call successors, (9816) [2023-04-03 08:42:38,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28269 states to 28269 states and 37701 transitions. [2023-04-03 08:42:38,263 INFO L78 Accepts]: Start accepts. Automaton has 28269 states and 37701 transitions. Word has length 263 [2023-04-03 08:42:38,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 08:42:38,264 INFO L495 AbstractCegarLoop]: Abstraction has 28269 states and 37701 transitions. [2023-04-03 08:42:38,264 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (41), 3 states have call predecessors, (41), 2 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2023-04-03 08:42:38,264 INFO L276 IsEmpty]: Start isEmpty. Operand 28269 states and 37701 transitions. [2023-04-03 08:42:38,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2023-04-03 08:42:38,269 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 08:42:38,269 INFO L195 NwaCegarLoop]: trace histogram [19, 15, 15, 15, 15, 15, 15, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 08:42:38,269 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-04-03 08:42:38,270 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 08:42:38,270 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 08:42:38,270 INFO L85 PathProgramCache]: Analyzing trace with hash -1244767337, now seen corresponding path program 1 times [2023-04-03 08:42:38,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 08:42:38,270 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972157294] [2023-04-03 08:42:38,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 08:42:38,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 08:42:38,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 08:42:38,730 INFO L134 CoverageAnalysis]: Checked inductivity of 1009 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 998 trivial. 0 not checked. [2023-04-03 08:42:38,731 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 08:42:38,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1972157294] [2023-04-03 08:42:38,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1972157294] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 08:42:38,731 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 08:42:38,731 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 08:42:38,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [744113376] [2023-04-03 08:42:38,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 08:42:38,734 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 08:42:38,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 08:42:38,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 08:42:38,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 08:42:38,735 INFO L87 Difference]: Start difference. First operand 28269 states and 37701 transitions. Second operand has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (42), 3 states have call predecessors, (42), 2 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2023-04-03 08:42:42,725 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 08:42:46,366 WARN L539 Checker$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 08:42:48,074 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 08:42:51,157 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 08:42:52,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 08:42:52,012 INFO L93 Difference]: Finished difference Result 28275 states and 37706 transitions. [2023-04-03 08:42:52,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 08:42:52,013 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (42), 3 states have call predecessors, (42), 2 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) Word has length 268 [2023-04-03 08:42:52,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 08:42:52,144 INFO L225 Difference]: With dead ends: 28275 [2023-04-03 08:42:52,144 INFO L226 Difference]: Without dead ends: 28273 [2023-04-03 08:42:52,166 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-04-03 08:42:52,167 INFO L413 NwaCegarLoop]: 3412 mSDtfsCounter, 3784 mSDsluCounter, 6806 mSDsCounter, 0 mSdLazyCounter, 1220 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3793 SdHoareTripleChecker+Valid, 10218 SdHoareTripleChecker+Invalid, 1223 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1220 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.3s IncrementalHoareTripleChecker+Time [2023-04-03 08:42:52,167 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3793 Valid, 10218 Invalid, 1223 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1220 Invalid, 2 Unknown, 0 Unchecked, 12.3s Time] [2023-04-03 08:42:52,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28273 states. [2023-04-03 08:42:53,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28273 to 28273. [2023-04-03 08:42:53,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28273 states, 15182 states have (on average 1.2024766170465024) internal successors, (18256), 15731 states have internal predecessors, (18256), 9632 states have call successors, (9632), 3541 states have call predecessors, (9632), 3456 states have return successors, (9816), 9279 states have call predecessors, (9816), 9627 states have call successors, (9816) [2023-04-03 08:42:53,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28273 states to 28273 states and 37704 transitions. [2023-04-03 08:42:53,572 INFO L78 Accepts]: Start accepts. Automaton has 28273 states and 37704 transitions. Word has length 268 [2023-04-03 08:42:53,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 08:42:53,573 INFO L495 AbstractCegarLoop]: Abstraction has 28273 states and 37704 transitions. [2023-04-03 08:42:53,573 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (42), 3 states have call predecessors, (42), 2 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2023-04-03 08:42:53,573 INFO L276 IsEmpty]: Start isEmpty. Operand 28273 states and 37704 transitions. [2023-04-03 08:42:53,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2023-04-03 08:42:53,578 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 08:42:53,578 INFO L195 NwaCegarLoop]: trace histogram [19, 15, 15, 15, 15, 15, 15, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 08:42:53,578 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-04-03 08:42:53,579 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 08:42:53,579 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 08:42:53,579 INFO L85 PathProgramCache]: Analyzing trace with hash 1625053097, now seen corresponding path program 1 times [2023-04-03 08:42:53,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 08:42:53,579 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [231455471] [2023-04-03 08:42:53,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 08:42:53,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 08:42:53,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 08:42:54,089 INFO L134 CoverageAnalysis]: Checked inductivity of 1019 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 1006 trivial. 0 not checked. [2023-04-03 08:42:54,090 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 08:42:54,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [231455471] [2023-04-03 08:42:54,090 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [231455471] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 08:42:54,090 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 08:42:54,090 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 08:42:54,090 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436722405] [2023-04-03 08:42:54,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 08:42:54,091 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 08:42:54,091 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 08:42:54,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 08:42:54,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 08:42:54,093 INFO L87 Difference]: Start difference. First operand 28273 states and 37704 transitions. Second operand has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (43), 3 states have call predecessors, (43), 2 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2023-04-03 08:43:00,083 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 08:43:00,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 08:43:00,849 INFO L93 Difference]: Finished difference Result 28279 states and 37709 transitions. [2023-04-03 08:43:00,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 08:43:00,850 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (43), 3 states have call predecessors, (43), 2 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) Word has length 273 [2023-04-03 08:43:00,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 08:43:00,958 INFO L225 Difference]: With dead ends: 28279 [2023-04-03 08:43:00,958 INFO L226 Difference]: Without dead ends: 28277 [2023-04-03 08:43:00,976 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-04-03 08:43:00,976 INFO L413 NwaCegarLoop]: 3412 mSDtfsCounter, 3784 mSDsluCounter, 6806 mSDsCounter, 0 mSdLazyCounter, 1222 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3792 SdHoareTripleChecker+Valid, 10218 SdHoareTripleChecker+Invalid, 1223 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1222 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2023-04-03 08:43:00,977 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3792 Valid, 10218 Invalid, 1223 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1222 Invalid, 0 Unknown, 0 Unchecked, 5.7s Time] [2023-04-03 08:43:01,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28277 states. [2023-04-03 08:43:02,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28277 to 28277. [2023-04-03 08:43:02,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28277 states, 15185 states have (on average 1.2024366150806718) internal successors, (18259), 15734 states have internal predecessors, (18259), 9632 states have call successors, (9632), 3542 states have call predecessors, (9632), 3457 states have return successors, (9816), 9279 states have call predecessors, (9816), 9627 states have call successors, (9816) [2023-04-03 08:43:02,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28277 states to 28277 states and 37707 transitions. [2023-04-03 08:43:02,457 INFO L78 Accepts]: Start accepts. Automaton has 28277 states and 37707 transitions. Word has length 273 [2023-04-03 08:43:02,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 08:43:02,458 INFO L495 AbstractCegarLoop]: Abstraction has 28277 states and 37707 transitions. [2023-04-03 08:43:02,458 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (43), 3 states have call predecessors, (43), 2 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2023-04-03 08:43:02,458 INFO L276 IsEmpty]: Start isEmpty. Operand 28277 states and 37707 transitions. [2023-04-03 08:43:02,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2023-04-03 08:43:02,462 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 08:43:02,462 INFO L195 NwaCegarLoop]: trace histogram [19, 15, 15, 15, 15, 15, 15, 5, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 08:43:02,462 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-04-03 08:43:02,462 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 08:43:02,462 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 08:43:02,463 INFO L85 PathProgramCache]: Analyzing trace with hash -1174393193, now seen corresponding path program 1 times [2023-04-03 08:43:02,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 08:43:02,463 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [229463091] [2023-04-03 08:43:02,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 08:43:02,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 08:43:02,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 08:43:02,929 INFO L134 CoverageAnalysis]: Checked inductivity of 1033 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 1018 trivial. 0 not checked. [2023-04-03 08:43:02,929 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 08:43:02,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [229463091] [2023-04-03 08:43:02,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [229463091] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 08:43:02,929 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 08:43:02,929 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 08:43:02,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395799961] [2023-04-03 08:43:02,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 08:43:02,930 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 08:43:02,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 08:43:02,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 08:43:02,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 08:43:02,931 INFO L87 Difference]: Start difference. First operand 28277 states and 37707 transitions. Second operand has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (44), 3 states have call predecessors, (44), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2023-04-03 08:43:06,425 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 08:43:07,886 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 08:43:09,675 WARN L539 Checker$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 08:43:11,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 08:43:11,971 INFO L93 Difference]: Finished difference Result 28283 states and 37712 transitions. [2023-04-03 08:43:11,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 08:43:11,972 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (44), 3 states have call predecessors, (44), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) Word has length 278 [2023-04-03 08:43:11,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 08:43:12,082 INFO L225 Difference]: With dead ends: 28283 [2023-04-03 08:43:12,082 INFO L226 Difference]: Without dead ends: 28281 [2023-04-03 08:43:12,101 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-04-03 08:43:12,101 INFO L413 NwaCegarLoop]: 3412 mSDtfsCounter, 3784 mSDsluCounter, 6806 mSDsCounter, 0 mSdLazyCounter, 1222 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3791 SdHoareTripleChecker+Valid, 10218 SdHoareTripleChecker+Invalid, 1223 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1222 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.8s IncrementalHoareTripleChecker+Time [2023-04-03 08:43:12,102 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3791 Valid, 10218 Invalid, 1223 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1222 Invalid, 0 Unknown, 0 Unchecked, 7.8s Time] [2023-04-03 08:43:12,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28281 states. [2023-04-03 08:43:13,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28281 to 28281. [2023-04-03 08:43:13,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28281 states, 15188 states have (on average 1.2023966289175665) internal successors, (18262), 15737 states have internal predecessors, (18262), 9632 states have call successors, (9632), 3543 states have call predecessors, (9632), 3458 states have return successors, (9816), 9279 states have call predecessors, (9816), 9627 states have call successors, (9816) [2023-04-03 08:43:13,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28281 states to 28281 states and 37710 transitions. [2023-04-03 08:43:13,581 INFO L78 Accepts]: Start accepts. Automaton has 28281 states and 37710 transitions. Word has length 278 [2023-04-03 08:43:13,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 08:43:13,582 INFO L495 AbstractCegarLoop]: Abstraction has 28281 states and 37710 transitions. [2023-04-03 08:43:13,582 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (44), 3 states have call predecessors, (44), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2023-04-03 08:43:13,582 INFO L276 IsEmpty]: Start isEmpty. Operand 28281 states and 37710 transitions. [2023-04-03 08:43:13,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2023-04-03 08:43:13,586 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 08:43:13,586 INFO L195 NwaCegarLoop]: trace histogram [19, 15, 15, 15, 15, 15, 15, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 08:43:13,586 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-04-03 08:43:13,586 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 08:43:13,587 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 08:43:13,587 INFO L85 PathProgramCache]: Analyzing trace with hash 2040313899, now seen corresponding path program 1 times [2023-04-03 08:43:13,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 08:43:13,587 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [460744705] [2023-04-03 08:43:13,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 08:43:13,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 08:43:13,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 08:43:14,151 INFO L134 CoverageAnalysis]: Checked inductivity of 993 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2023-04-03 08:43:14,151 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 08:43:14,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [460744705] [2023-04-03 08:43:14,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [460744705] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 08:43:14,151 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 08:43:14,151 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 08:43:14,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [915715201] [2023-04-03 08:43:14,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 08:43:14,152 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 08:43:14,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 08:43:14,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 08:43:14,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 08:43:14,153 INFO L87 Difference]: Start difference. First operand 28281 states and 37710 transitions. Second operand has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 3 states have call successors, (48), 3 states have call predecessors, (48), 2 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) [2023-04-03 08:43:20,977 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 08:43:22,512 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 08:43:23,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 08:43:23,699 INFO L93 Difference]: Finished difference Result 66039 states and 88241 transitions. [2023-04-03 08:43:23,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 08:43:23,700 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 3 states have call successors, (48), 3 states have call predecessors, (48), 2 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) Word has length 282 [2023-04-03 08:43:23,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 08:43:23,874 INFO L225 Difference]: With dead ends: 66039 [2023-04-03 08:43:23,874 INFO L226 Difference]: Without dead ends: 37960 [2023-04-03 08:43:23,966 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 08:43:23,967 INFO L413 NwaCegarLoop]: 5456 mSDtfsCounter, 2525 mSDsluCounter, 3365 mSDsCounter, 0 mSdLazyCounter, 1110 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2525 SdHoareTripleChecker+Valid, 8821 SdHoareTripleChecker+Invalid, 1125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 1110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.7s IncrementalHoareTripleChecker+Time [2023-04-03 08:43:23,968 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2525 Valid, 8821 Invalid, 1125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 1110 Invalid, 0 Unknown, 0 Unchecked, 7.7s Time] [2023-04-03 08:43:24,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37960 states. [2023-04-03 08:43:25,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37960 to 37853. [2023-04-03 08:43:25,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37853 states, 20432 states have (on average 1.2043852779953015) internal successors, (24608), 21171 states have internal predecessors, (24608), 12816 states have call successors, (12816), 4727 states have call predecessors, (12816), 4602 states have return successors, (13060), 12335 states have call predecessors, (13060), 12811 states have call successors, (13060) [2023-04-03 08:43:26,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37853 states to 37853 states and 50484 transitions. [2023-04-03 08:43:26,064 INFO L78 Accepts]: Start accepts. Automaton has 37853 states and 50484 transitions. Word has length 282 [2023-04-03 08:43:26,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 08:43:26,064 INFO L495 AbstractCegarLoop]: Abstraction has 37853 states and 50484 transitions. [2023-04-03 08:43:26,065 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 3 states have call successors, (48), 3 states have call predecessors, (48), 2 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) [2023-04-03 08:43:26,065 INFO L276 IsEmpty]: Start isEmpty. Operand 37853 states and 50484 transitions. [2023-04-03 08:43:26,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2023-04-03 08:43:26,068 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 08:43:26,069 INFO L195 NwaCegarLoop]: trace histogram [19, 15, 15, 15, 15, 15, 15, 6, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 08:43:26,069 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-04-03 08:43:26,069 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 08:43:26,069 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 08:43:26,069 INFO L85 PathProgramCache]: Analyzing trace with hash 1645253673, now seen corresponding path program 1 times [2023-04-03 08:43:26,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 08:43:26,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1820756701] [2023-04-03 08:43:26,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 08:43:26,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 08:43:26,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 08:43:26,566 INFO L134 CoverageAnalysis]: Checked inductivity of 1051 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 1034 trivial. 0 not checked. [2023-04-03 08:43:26,567 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 08:43:26,567 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1820756701] [2023-04-03 08:43:26,567 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1820756701] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 08:43:26,567 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 08:43:26,567 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 08:43:26,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2005479809] [2023-04-03 08:43:26,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 08:43:26,568 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 08:43:26,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 08:43:26,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 08:43:26,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 08:43:26,569 INFO L87 Difference]: Start difference. First operand 37853 states and 50484 transitions. Second operand has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (45), 3 states have call predecessors, (45), 2 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2023-04-03 08:43:29,471 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 08:43:31,080 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 08:43:33,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 08:43:33,775 INFO L93 Difference]: Finished difference Result 37859 states and 50489 transitions. [2023-04-03 08:43:33,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 08:43:33,776 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (45), 3 states have call predecessors, (45), 2 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) Word has length 283 [2023-04-03 08:43:33,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 08:43:33,895 INFO L225 Difference]: With dead ends: 37859 [2023-04-03 08:43:33,895 INFO L226 Difference]: Without dead ends: 37857 [2023-04-03 08:43:33,909 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-04-03 08:43:33,910 INFO L413 NwaCegarLoop]: 3412 mSDtfsCounter, 3784 mSDsluCounter, 6806 mSDsCounter, 0 mSdLazyCounter, 1222 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3790 SdHoareTripleChecker+Valid, 10218 SdHoareTripleChecker+Invalid, 1223 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1222 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2023-04-03 08:43:33,910 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3790 Valid, 10218 Invalid, 1223 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1222 Invalid, 0 Unknown, 0 Unchecked, 5.4s Time] [2023-04-03 08:43:33,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37857 states. [2023-04-03 08:43:35,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37857 to 37857. [2023-04-03 08:43:35,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37857 states, 20435 states have (on average 1.2043552728162465) internal successors, (24611), 21174 states have internal predecessors, (24611), 12816 states have call successors, (12816), 4728 states have call predecessors, (12816), 4603 states have return successors, (13060), 12335 states have call predecessors, (13060), 12811 states have call successors, (13060) [2023-04-03 08:43:35,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37857 states to 37857 states and 50487 transitions. [2023-04-03 08:43:35,996 INFO L78 Accepts]: Start accepts. Automaton has 37857 states and 50487 transitions. Word has length 283 [2023-04-03 08:43:35,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 08:43:35,996 INFO L495 AbstractCegarLoop]: Abstraction has 37857 states and 50487 transitions. [2023-04-03 08:43:35,997 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (45), 3 states have call predecessors, (45), 2 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2023-04-03 08:43:35,997 INFO L276 IsEmpty]: Start isEmpty. Operand 37857 states and 50487 transitions. [2023-04-03 08:43:36,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2023-04-03 08:43:36,001 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 08:43:36,001 INFO L195 NwaCegarLoop]: trace histogram [19, 15, 15, 15, 15, 15, 15, 7, 6, 6, 5, 5, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 08:43:36,001 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-04-03 08:43:36,001 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 08:43:36,002 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 08:43:36,002 INFO L85 PathProgramCache]: Analyzing trace with hash -1907203131, now seen corresponding path program 1 times [2023-04-03 08:43:36,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 08:43:36,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [913899601] [2023-04-03 08:43:36,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 08:43:36,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 08:43:36,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 08:43:36,584 INFO L134 CoverageAnalysis]: Checked inductivity of 1080 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 1066 trivial. 0 not checked. [2023-04-03 08:43:36,585 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 08:43:36,585 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [913899601] [2023-04-03 08:43:36,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [913899601] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 08:43:36,585 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 08:43:36,585 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 08:43:36,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1893185521] [2023-04-03 08:43:36,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 08:43:36,586 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 08:43:36,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 08:43:36,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 08:43:36,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 08:43:36,587 INFO L87 Difference]: Start difference. First operand 37857 states and 50487 transitions. Second operand has 5 states, 5 states have (on average 15.8) internal successors, (79), 4 states have internal predecessors, (79), 2 states have call successors, (54), 3 states have call predecessors, (54), 2 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) [2023-04-03 08:43:43,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 08:43:43,884 INFO L93 Difference]: Finished difference Result 43391 states and 57408 transitions. [2023-04-03 08:43:43,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 08:43:43,884 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.8) internal successors, (79), 4 states have internal predecessors, (79), 2 states have call successors, (54), 3 states have call predecessors, (54), 2 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) Word has length 312 [2023-04-03 08:43:43,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 08:43:44,025 INFO L225 Difference]: With dead ends: 43391 [2023-04-03 08:43:44,025 INFO L226 Difference]: Without dead ends: 43389 [2023-04-03 08:43:44,048 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-04-03 08:43:44,049 INFO L413 NwaCegarLoop]: 3660 mSDtfsCounter, 2983 mSDsluCounter, 8666 mSDsCounter, 0 mSdLazyCounter, 1483 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2988 SdHoareTripleChecker+Valid, 12326 SdHoareTripleChecker+Invalid, 1485 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1483 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2023-04-03 08:43:44,049 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2988 Valid, 12326 Invalid, 1485 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1483 Invalid, 0 Unknown, 0 Unchecked, 5.2s Time] [2023-04-03 08:43:44,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43389 states. [2023-04-03 08:43:46,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43389 to 43389. [2023-04-03 08:43:46,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43389 states, 23390 states have (on average 1.1976913210773834) internal successors, (28014), 24181 states have internal predecessors, (28014), 14574 states have call successors, (14574), 5547 states have call predecessors, (14574), 5422 states have return successors, (14818), 14093 states have call predecessors, (14818), 14569 states have call successors, (14818) [2023-04-03 08:43:46,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43389 states to 43389 states and 57406 transitions. [2023-04-03 08:43:46,555 INFO L78 Accepts]: Start accepts. Automaton has 43389 states and 57406 transitions. Word has length 312 [2023-04-03 08:43:46,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 08:43:46,556 INFO L495 AbstractCegarLoop]: Abstraction has 43389 states and 57406 transitions. [2023-04-03 08:43:46,556 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.8) internal successors, (79), 4 states have internal predecessors, (79), 2 states have call successors, (54), 3 states have call predecessors, (54), 2 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) [2023-04-03 08:43:46,556 INFO L276 IsEmpty]: Start isEmpty. Operand 43389 states and 57406 transitions. [2023-04-03 08:43:46,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2023-04-03 08:43:46,560 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 08:43:46,561 INFO L195 NwaCegarLoop]: trace histogram [19, 15, 15, 15, 15, 15, 15, 8, 7, 7, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 08:43:46,561 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-04-03 08:43:46,561 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 08:43:46,561 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 08:43:46,562 INFO L85 PathProgramCache]: Analyzing trace with hash -1594564439, now seen corresponding path program 1 times [2023-04-03 08:43:46,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 08:43:46,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2099394946] [2023-04-03 08:43:46,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 08:43:46,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 08:43:46,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 08:43:46,996 INFO L134 CoverageAnalysis]: Checked inductivity of 1099 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 1078 trivial. 0 not checked. [2023-04-03 08:43:46,996 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 08:43:46,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2099394946] [2023-04-03 08:43:46,997 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2099394946] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 08:43:46,997 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 08:43:46,997 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 08:43:46,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [4496974] [2023-04-03 08:43:46,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 08:43:46,997 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 08:43:46,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 08:43:46,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 08:43:46,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 08:43:46,998 INFO L87 Difference]: Start difference. First operand 43389 states and 57406 transitions. Second operand has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (47), 3 states have call predecessors, (47), 2 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2023-04-03 08:43:53,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 08:43:53,913 INFO L93 Difference]: Finished difference Result 43395 states and 57411 transitions. [2023-04-03 08:43:53,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 08:43:53,914 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (47), 3 states have call predecessors, (47), 2 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) Word has length 293 [2023-04-03 08:43:53,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 08:43:54,055 INFO L225 Difference]: With dead ends: 43395 [2023-04-03 08:43:54,055 INFO L226 Difference]: Without dead ends: 43393 [2023-04-03 08:43:54,078 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-04-03 08:43:54,079 INFO L413 NwaCegarLoop]: 3412 mSDtfsCounter, 3784 mSDsluCounter, 6806 mSDsCounter, 0 mSdLazyCounter, 1222 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3788 SdHoareTripleChecker+Valid, 10218 SdHoareTripleChecker+Invalid, 1223 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1222 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2023-04-03 08:43:54,079 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3788 Valid, 10218 Invalid, 1223 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1222 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2023-04-03 08:43:54,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43393 states. [2023-04-03 08:43:56,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43393 to 43393. [2023-04-03 08:43:56,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43393 states, 23393 states have (on average 1.1976659684521012) internal successors, (28017), 24184 states have internal predecessors, (28017), 14574 states have call successors, (14574), 5548 states have call predecessors, (14574), 5423 states have return successors, (14818), 14093 states have call predecessors, (14818), 14569 states have call successors, (14818) [2023-04-03 08:43:56,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43393 states to 43393 states and 57409 transitions. [2023-04-03 08:43:56,935 INFO L78 Accepts]: Start accepts. Automaton has 43393 states and 57409 transitions. Word has length 293 [2023-04-03 08:43:56,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 08:43:56,936 INFO L495 AbstractCegarLoop]: Abstraction has 43393 states and 57409 transitions. [2023-04-03 08:43:56,936 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (47), 3 states have call predecessors, (47), 2 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2023-04-03 08:43:56,936 INFO L276 IsEmpty]: Start isEmpty. Operand 43393 states and 57409 transitions. [2023-04-03 08:43:56,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2023-04-03 08:43:56,941 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 08:43:56,942 INFO L195 NwaCegarLoop]: trace histogram [19, 15, 15, 15, 15, 15, 15, 9, 8, 8, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 08:43:56,942 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-04-03 08:43:56,942 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 08:43:56,942 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 08:43:56,943 INFO L85 PathProgramCache]: Analyzing trace with hash -1857444713, now seen corresponding path program 1 times [2023-04-03 08:43:56,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 08:43:56,943 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [591524440] [2023-04-03 08:43:56,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 08:43:56,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 08:43:57,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 08:43:57,403 INFO L134 CoverageAnalysis]: Checked inductivity of 1129 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 1106 trivial. 0 not checked. [2023-04-03 08:43:57,403 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 08:43:57,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [591524440] [2023-04-03 08:43:57,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [591524440] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 08:43:57,403 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 08:43:57,403 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 08:43:57,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817502497] [2023-04-03 08:43:57,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 08:43:57,404 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 08:43:57,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 08:43:57,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 08:43:57,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 08:43:57,405 INFO L87 Difference]: Start difference. First operand 43393 states and 57409 transitions. Second operand has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (48), 3 states have call predecessors, (48), 2 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2023-04-03 08:44:05,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 08:44:05,177 INFO L93 Difference]: Finished difference Result 43399 states and 57414 transitions. [2023-04-03 08:44:05,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 08:44:05,177 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (48), 3 states have call predecessors, (48), 2 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) Word has length 298 [2023-04-03 08:44:05,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 08:44:05,447 INFO L225 Difference]: With dead ends: 43399 [2023-04-03 08:44:05,447 INFO L226 Difference]: Without dead ends: 43397 [2023-04-03 08:44:05,471 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-04-03 08:44:05,472 INFO L413 NwaCegarLoop]: 3412 mSDtfsCounter, 3784 mSDsluCounter, 6806 mSDsCounter, 0 mSdLazyCounter, 1222 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3787 SdHoareTripleChecker+Valid, 10218 SdHoareTripleChecker+Invalid, 1223 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1222 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2023-04-03 08:44:05,472 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3787 Valid, 10218 Invalid, 1223 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1222 Invalid, 0 Unknown, 0 Unchecked, 5.2s Time] [2023-04-03 08:44:05,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43397 states. [2023-04-03 08:44:08,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43397 to 43397. [2023-04-03 08:44:08,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43397 states, 23396 states have (on average 1.1976406223286031) internal successors, (28020), 24187 states have internal predecessors, (28020), 14574 states have call successors, (14574), 5549 states have call predecessors, (14574), 5424 states have return successors, (14818), 14093 states have call predecessors, (14818), 14569 states have call successors, (14818) [2023-04-03 08:44:08,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43397 states to 43397 states and 57412 transitions. [2023-04-03 08:44:08,565 INFO L78 Accepts]: Start accepts. Automaton has 43397 states and 57412 transitions. Word has length 298 [2023-04-03 08:44:08,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 08:44:08,565 INFO L495 AbstractCegarLoop]: Abstraction has 43397 states and 57412 transitions. [2023-04-03 08:44:08,565 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (48), 3 states have call predecessors, (48), 2 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2023-04-03 08:44:08,566 INFO L276 IsEmpty]: Start isEmpty. Operand 43397 states and 57412 transitions. [2023-04-03 08:44:08,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2023-04-03 08:44:08,569 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 08:44:08,569 INFO L195 NwaCegarLoop]: trace histogram [19, 15, 15, 15, 15, 15, 15, 10, 9, 9, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 08:44:08,569 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-04-03 08:44:08,570 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 08:44:08,570 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 08:44:08,570 INFO L85 PathProgramCache]: Analyzing trace with hash 213204265, now seen corresponding path program 1 times [2023-04-03 08:44:08,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 08:44:08,570 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1570831591] [2023-04-03 08:44:08,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 08:44:08,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 08:44:08,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 08:44:09,030 INFO L134 CoverageAnalysis]: Checked inductivity of 1163 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 1138 trivial. 0 not checked. [2023-04-03 08:44:09,030 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 08:44:09,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1570831591] [2023-04-03 08:44:09,030 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1570831591] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 08:44:09,031 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 08:44:09,031 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 08:44:09,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [260797784] [2023-04-03 08:44:09,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 08:44:09,031 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 08:44:09,031 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 08:44:09,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 08:44:09,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 08:44:09,032 INFO L87 Difference]: Start difference. First operand 43397 states and 57412 transitions. Second operand has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (49), 3 states have call predecessors, (49), 2 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) [2023-04-03 08:44:13,912 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 08:44:18,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 08:44:18,108 INFO L93 Difference]: Finished difference Result 43403 states and 57417 transitions. [2023-04-03 08:44:18,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 08:44:18,109 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (49), 3 states have call predecessors, (49), 2 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) Word has length 303 [2023-04-03 08:44:18,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 08:44:18,244 INFO L225 Difference]: With dead ends: 43403 [2023-04-03 08:44:18,245 INFO L226 Difference]: Without dead ends: 43401 [2023-04-03 08:44:18,265 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-04-03 08:44:18,266 INFO L413 NwaCegarLoop]: 3412 mSDtfsCounter, 3784 mSDsluCounter, 6806 mSDsCounter, 0 mSdLazyCounter, 1221 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3786 SdHoareTripleChecker+Valid, 10218 SdHoareTripleChecker+Invalid, 1223 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1221 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2023-04-03 08:44:18,266 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3786 Valid, 10218 Invalid, 1223 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1221 Invalid, 1 Unknown, 0 Unchecked, 6.5s Time] [2023-04-03 08:44:18,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43401 states. [2023-04-03 08:44:20,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43401 to 43401. [2023-04-03 08:44:21,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43401 states, 23399 states have (on average 1.197615282704389) internal successors, (28023), 24190 states have internal predecessors, (28023), 14574 states have call successors, (14574), 5550 states have call predecessors, (14574), 5425 states have return successors, (14818), 14093 states have call predecessors, (14818), 14569 states have call successors, (14818) [2023-04-03 08:44:21,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43401 states to 43401 states and 57415 transitions. [2023-04-03 08:44:21,187 INFO L78 Accepts]: Start accepts. Automaton has 43401 states and 57415 transitions. Word has length 303 [2023-04-03 08:44:21,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 08:44:21,187 INFO L495 AbstractCegarLoop]: Abstraction has 43401 states and 57415 transitions. [2023-04-03 08:44:21,188 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (49), 3 states have call predecessors, (49), 2 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) [2023-04-03 08:44:21,188 INFO L276 IsEmpty]: Start isEmpty. Operand 43401 states and 57415 transitions. [2023-04-03 08:44:21,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2023-04-03 08:44:21,191 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 08:44:21,191 INFO L195 NwaCegarLoop]: trace histogram [20, 15, 15, 15, 15, 15, 15, 6, 6, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:44:21,191 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-04-03 08:44:21,191 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 08:44:21,192 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 08:44:21,192 INFO L85 PathProgramCache]: Analyzing trace with hash 2093789135, now seen corresponding path program 1 times [2023-04-03 08:44:21,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 08:44:21,192 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1181926809] [2023-04-03 08:44:21,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 08:44:21,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 08:44:21,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 08:44:21,731 INFO L134 CoverageAnalysis]: Checked inductivity of 1072 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 1064 trivial. 0 not checked. [2023-04-03 08:44:21,731 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 08:44:21,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1181926809] [2023-04-03 08:44:21,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1181926809] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 08:44:21,732 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 08:44:21,732 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 08:44:21,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [338388232] [2023-04-03 08:44:21,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 08:44:21,733 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 08:44:21,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 08:44:21,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 08:44:21,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 08:44:21,734 INFO L87 Difference]: Start difference. First operand 43401 states and 57415 transitions. Second operand has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 3 states have call successors, (51), 3 states have call predecessors, (51), 2 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) [2023-04-03 08:44:26,075 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 08:44:29,346 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 08:44:30,897 WARN L539 Checker$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 08:44:33,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 08:44:33,427 INFO L93 Difference]: Finished difference Result 107820 states and 142783 transitions. [2023-04-03 08:44:33,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 08:44:33,427 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 3 states have call successors, (51), 3 states have call predecessors, (51), 2 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) Word has length 311 [2023-04-03 08:44:33,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 08:44:33,768 INFO L225 Difference]: With dead ends: 107820 [2023-04-03 08:44:33,768 INFO L226 Difference]: Without dead ends: 64621 [2023-04-03 08:44:33,877 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 08:44:33,878 INFO L413 NwaCegarLoop]: 6643 mSDtfsCounter, 3656 mSDsluCounter, 3393 mSDsCounter, 0 mSdLazyCounter, 1208 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3656 SdHoareTripleChecker+Valid, 10036 SdHoareTripleChecker+Invalid, 1212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1208 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.6s IncrementalHoareTripleChecker+Time [2023-04-03 08:44:33,878 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3656 Valid, 10036 Invalid, 1212 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1208 Invalid, 0 Unknown, 0 Unchecked, 7.6s Time] [2023-04-03 08:44:33,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64621 states. [2023-04-03 08:44:38,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64621 to 64484. [2023-04-03 08:44:38,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64484 states, 34770 states have (on average 1.1972965199884957) internal successors, (41630), 35952 states have internal predecessors, (41630), 21678 states have call successors, (21678), 8231 states have call predecessors, (21678), 8033 states have return successors, (22052), 20948 states have call predecessors, (22052), 21673 states have call successors, (22052) [2023-04-03 08:44:38,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64484 states to 64484 states and 85360 transitions. [2023-04-03 08:44:38,746 INFO L78 Accepts]: Start accepts. Automaton has 64484 states and 85360 transitions. Word has length 311 [2023-04-03 08:44:38,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 08:44:38,747 INFO L495 AbstractCegarLoop]: Abstraction has 64484 states and 85360 transitions. [2023-04-03 08:44:38,747 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 3 states have call successors, (51), 3 states have call predecessors, (51), 2 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) [2023-04-03 08:44:38,748 INFO L276 IsEmpty]: Start isEmpty. Operand 64484 states and 85360 transitions. [2023-04-03 08:44:38,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2023-04-03 08:44:38,753 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 08:44:38,753 INFO L195 NwaCegarLoop]: trace histogram [19, 15, 15, 15, 15, 15, 15, 11, 10, 10, 5, 5, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 08:44:38,753 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-04-03 08:44:38,753 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 08:44:38,754 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 08:44:38,754 INFO L85 PathProgramCache]: Analyzing trace with hash -579676475, now seen corresponding path program 1 times [2023-04-03 08:44:38,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 08:44:38,754 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [631738996] [2023-04-03 08:44:38,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 08:44:38,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 08:44:39,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 08:44:39,413 INFO L134 CoverageAnalysis]: Checked inductivity of 1208 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 1186 trivial. 0 not checked. [2023-04-03 08:44:39,413 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 08:44:39,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [631738996] [2023-04-03 08:44:39,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [631738996] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 08:44:39,413 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 08:44:39,413 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 08:44:39,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1418324680] [2023-04-03 08:44:39,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 08:44:39,414 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 08:44:39,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 08:44:39,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 08:44:39,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 08:44:39,415 INFO L87 Difference]: Start difference. First operand 64484 states and 85360 transitions. Second operand has 5 states, 5 states have (on average 15.8) internal successors, (79), 4 states have internal predecessors, (79), 2 states have call successors, (58), 3 states have call predecessors, (58), 2 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) [2023-04-03 08:44:48,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 08:44:48,403 INFO L93 Difference]: Finished difference Result 64490 states and 85365 transitions. [2023-04-03 08:44:48,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 08:44:48,404 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.8) internal successors, (79), 4 states have internal predecessors, (79), 2 states have call successors, (58), 3 states have call predecessors, (58), 2 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) Word has length 332 [2023-04-03 08:44:48,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 08:44:48,657 INFO L225 Difference]: With dead ends: 64490 [2023-04-03 08:44:48,658 INFO L226 Difference]: Without dead ends: 64486 [2023-04-03 08:44:48,692 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-04-03 08:44:48,692 INFO L413 NwaCegarLoop]: 3412 mSDtfsCounter, 3788 mSDsluCounter, 6806 mSDsCounter, 0 mSdLazyCounter, 1222 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3789 SdHoareTripleChecker+Valid, 10218 SdHoareTripleChecker+Invalid, 1223 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1222 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2023-04-03 08:44:48,693 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3789 Valid, 10218 Invalid, 1223 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1222 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2023-04-03 08:44:48,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64486 states. [2023-04-03 08:44:53,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64486 to 64486. [2023-04-03 08:44:53,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64486 states, 34772 states have (on average 1.197256413206028) internal successors, (41631), 35953 states have internal predecessors, (41631), 21678 states have call successors, (21678), 8232 states have call predecessors, (21678), 8033 states have return successors, (22052), 20948 states have call predecessors, (22052), 21673 states have call successors, (22052) [2023-04-03 08:44:54,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64486 states to 64486 states and 85361 transitions. [2023-04-03 08:44:54,149 INFO L78 Accepts]: Start accepts. Automaton has 64486 states and 85361 transitions. Word has length 332 [2023-04-03 08:44:54,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 08:44:54,150 INFO L495 AbstractCegarLoop]: Abstraction has 64486 states and 85361 transitions. [2023-04-03 08:44:54,150 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.8) internal successors, (79), 4 states have internal predecessors, (79), 2 states have call successors, (58), 3 states have call predecessors, (58), 2 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) [2023-04-03 08:44:54,150 INFO L276 IsEmpty]: Start isEmpty. Operand 64486 states and 85361 transitions. [2023-04-03 08:44:54,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2023-04-03 08:44:54,155 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 08:44:54,156 INFO L195 NwaCegarLoop]: trace histogram [19, 15, 15, 15, 15, 15, 15, 12, 11, 11, 5, 5, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:44:54,156 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-04-03 08:44:54,156 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 08:44:54,156 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 08:44:54,156 INFO L85 PathProgramCache]: Analyzing trace with hash 1600707033, now seen corresponding path program 1 times [2023-04-03 08:44:54,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 08:44:54,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [332252274] [2023-04-03 08:44:54,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 08:44:54,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 08:44:54,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 08:44:54,622 INFO L134 CoverageAnalysis]: Checked inductivity of 1251 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 1226 trivial. 0 not checked. [2023-04-03 08:44:54,623 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 08:44:54,623 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [332252274] [2023-04-03 08:44:54,623 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [332252274] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 08:44:54,625 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 08:44:54,625 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 08:44:54,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [178424376] [2023-04-03 08:44:54,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 08:44:54,626 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 08:44:54,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 08:44:54,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 08:44:54,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 08:44:54,628 INFO L87 Difference]: Start difference. First operand 64486 states and 85361 transitions. Second operand has 5 states, 5 states have (on average 16.0) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (59), 3 states have call predecessors, (59), 2 states have return successors, (55), 2 states have call predecessors, (55), 2 states have call successors, (55) [2023-04-03 08:45:01,700 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 08:45:04,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 08:45:04,751 INFO L93 Difference]: Finished difference Result 64486 states and 85361 transitions. [2023-04-03 08:45:04,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 08:45:04,860 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (59), 3 states have call predecessors, (59), 2 states have return successors, (55), 2 states have call predecessors, (55), 2 states have call successors, (55) Word has length 338 [2023-04-03 08:45:04,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 08:45:05,106 INFO L225 Difference]: With dead ends: 64486 [2023-04-03 08:45:05,106 INFO L226 Difference]: Without dead ends: 63703 [2023-04-03 08:45:05,137 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-04-03 08:45:05,137 INFO L413 NwaCegarLoop]: 3410 mSDtfsCounter, 3783 mSDsluCounter, 6805 mSDsCounter, 0 mSdLazyCounter, 1217 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3783 SdHoareTripleChecker+Valid, 10215 SdHoareTripleChecker+Invalid, 1218 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1217 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2023-04-03 08:45:05,138 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3783 Valid, 10215 Invalid, 1218 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1217 Invalid, 0 Unknown, 0 Unchecked, 5.8s Time] [2023-04-03 08:45:05,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63703 states.