/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml --sifa.abstract.domain OctagonDomain -i ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-fealnx.cil.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-03 07:25:40,061 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-03 07:25:40,062 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-03 07:25:40,096 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-03 07:25:40,096 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-03 07:25:40,098 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-03 07:25:40,101 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-03 07:25:40,102 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-03 07:25:40,103 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-03 07:25:40,107 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-03 07:25:40,108 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-03 07:25:40,109 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-03 07:25:40,109 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-03 07:25:40,111 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-03 07:25:40,112 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-03 07:25:40,113 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-03 07:25:40,113 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-03 07:25:40,114 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-03 07:25:40,115 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-03 07:25:40,119 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-03 07:25:40,119 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-03 07:25:40,120 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-03 07:25:40,121 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-03 07:25:40,122 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-03 07:25:40,128 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-03 07:25:40,129 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-03 07:25:40,129 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-03 07:25:40,130 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-03 07:25:40,130 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-03 07:25:40,131 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-03 07:25:40,131 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-03 07:25:40,131 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-03 07:25:40,132 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-03 07:25:40,133 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-03 07:25:40,133 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-03 07:25:40,133 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-03 07:25:40,133 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-03 07:25:40,134 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-03 07:25:40,134 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-03 07:25:40,134 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-03 07:25:40,135 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-03 07:25:40,136 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2023-04-03 07:25:40,162 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-03 07:25:40,162 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-03 07:25:40,163 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-03 07:25:40,163 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-03 07:25:40,164 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-03 07:25:40,164 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-03 07:25:40,164 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-03 07:25:40,164 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-03 07:25:40,164 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-03 07:25:40,164 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-03 07:25:40,165 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-03 07:25:40,165 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-03 07:25:40,165 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-03 07:25:40,165 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-03 07:25:40,165 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-03 07:25:40,165 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-03 07:25:40,165 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-03 07:25:40,165 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-03 07:25:40,166 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-03 07:25:40,166 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-03 07:25:40,166 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-03 07:25:40,166 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-03 07:25:40,166 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-03 07:25:40,166 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-03 07:25:40,166 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-03 07:25:40,167 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-03 07:25:40,167 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-03 07:25:40,167 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-03 07:25:40,167 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-03 07:25:40,167 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-03 07:25:40,167 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-03 07:25:40,167 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-03 07:25:40,168 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 07:25:40,168 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-03 07:25:40,168 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-03 07:25:40,168 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-03 07:25:40,168 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-03 07:25:40,168 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-03 07:25:40,168 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-03 07:25:40,168 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-03 07:25:40,168 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-03 07:25:40,168 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-03 07:25:40,328 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-03 07:25:40,349 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-03 07:25:40,351 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-03 07:25:40,352 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-03 07:25:40,353 INFO L275 PluginConnector]: CDTParser initialized [2023-04-03 07:25:40,353 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-fealnx.cil.i [2023-04-03 07:25:41,260 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-03 07:25:41,735 INFO L351 CDTParser]: Found 1 translation units. [2023-04-03 07:25:41,735 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-fealnx.cil.i [2023-04-03 07:25:41,769 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/efa5d044b/5012990193a44fd6b69d9a19abdbcab4/FLAG626aea602 [2023-04-03 07:25:41,783 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/efa5d044b/5012990193a44fd6b69d9a19abdbcab4 [2023-04-03 07:25:41,785 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-03 07:25:41,786 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-03 07:25:41,788 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-03 07:25:41,788 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-03 07:25:41,791 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-03 07:25:41,791 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 07:25:41" (1/1) ... [2023-04-03 07:25:41,792 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@402b9b5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 07:25:41, skipping insertion in model container [2023-04-03 07:25:41,793 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 07:25:41" (1/1) ... [2023-04-03 07:25:41,797 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-03 07:25:41,910 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-03 07:25:43,468 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-fealnx.cil.i[319618,319631] [2023-04-03 07:25:43,473 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-fealnx.cil.i[319787,319800] [2023-04-03 07:25:43,474 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-fealnx.cil.i[319954,319967] [2023-04-03 07:25:43,474 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-fealnx.cil.i[320122,320135] [2023-04-03 07:25:43,500 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 07:25:43,529 INFO L203 MainTranslator]: Completed pre-run [2023-04-03 07:25:43,700 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-fealnx.cil.i[319618,319631] [2023-04-03 07:25:43,700 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-fealnx.cil.i[319787,319800] [2023-04-03 07:25:43,701 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-fealnx.cil.i[319954,319967] [2023-04-03 07:25:43,701 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-fealnx.cil.i[320122,320135] [2023-04-03 07:25:43,708 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 07:25:43,831 WARN L667 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-04-03 07:25:43,836 INFO L208 MainTranslator]: Completed translation [2023-04-03 07:25:43,836 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 07:25:43 WrapperNode [2023-04-03 07:25:43,836 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-03 07:25:43,837 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-03 07:25:43,837 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-03 07:25:43,838 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-03 07:25:43,846 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 07:25:43" (1/1) ... [2023-04-03 07:25:43,846 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 07:25:43" (1/1) ... [2023-04-03 07:25:43,901 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 07:25:43" (1/1) ... [2023-04-03 07:25:43,902 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 07:25:43" (1/1) ... [2023-04-03 07:25:43,981 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 07:25:43" (1/1) ... [2023-04-03 07:25:43,998 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 07:25:43" (1/1) ... [2023-04-03 07:25:44,016 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 07:25:43" (1/1) ... [2023-04-03 07:25:44,030 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 07:25:43" (1/1) ... [2023-04-03 07:25:44,050 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-03 07:25:44,051 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-03 07:25:44,051 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-03 07:25:44,051 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-03 07:25:44,051 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 07:25:43" (1/1) ... [2023-04-03 07:25:44,055 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 07:25:44,062 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 07:25:44,077 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-04-03 07:25:44,093 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-04-03 07:25:44,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-03 07:25:44,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-03 07:25:44,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2023-04-03 07:25:44,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2023-04-03 07:25:44,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2023-04-03 07:25:44,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~gfp_t~0~X~$Pointer$~TO~$Pointer$ [2023-04-03 07:25:44,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~dma_addr_t~0~X~$Pointer$~TO~VOID [2023-04-03 07:25:44,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2023-04-03 07:25:44,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-04-03 07:25:44,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-04-03 07:25:44,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-04-03 07:25:44,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2023-04-03 07:25:44,104 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-04-03 07:25:44,104 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-04-03 07:25:44,104 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2023-04-03 07:25:44,104 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-04-03 07:25:44,104 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2023-04-03 07:25:44,104 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2023-04-03 07:25:44,104 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-04-03 07:25:44,104 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-04-03 07:25:44,104 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2023-04-03 07:25:44,104 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-04-03 07:25:44,105 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2023-04-03 07:25:44,105 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-04-03 07:25:44,105 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2023-04-03 07:25:44,105 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2023-04-03 07:25:44,105 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2023-04-03 07:25:44,105 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-04-03 07:25:44,105 INFO L138 BoogieDeclarations]: Found implementation of procedure is_device_dma_capable [2023-04-03 07:25:44,105 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-04-03 07:25:44,105 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2023-04-03 07:25:44,105 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2023-04-03 07:25:44,105 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_sync_single_for_cpu [2023-04-03 07:25:44,105 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_sync_single_for_device [2023-04-03 07:25:44,105 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_coherent_mask [2023-04-03 07:25:44,105 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_coherent_gfp_flags [2023-04-03 07:25:44,105 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2023-04-03 07:25:44,106 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2023-04-03 07:25:44,106 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2023-04-03 07:25:44,106 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2023-04-03 07:25:44,106 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_to_linear_data [2023-04-03 07:25:44,106 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-04-03 07:25:44,106 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-04-03 07:25:44,106 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2023-04-03 07:25:44,106 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2023-04-03 07:25:44,106 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2023-04-03 07:25:44,106 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-04-03 07:25:44,106 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2023-04-03 07:25:44,106 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-04-03 07:25:44,106 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2023-04-03 07:25:44,106 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2023-04-03 07:25:44,106 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2023-04-03 07:25:44,106 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2023-04-03 07:25:44,107 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2023-04-03 07:25:44,107 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2023-04-03 07:25:44,107 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2023-04-03 07:25:44,107 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_cpu [2023-04-03 07:25:44,107 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_device [2023-04-03 07:25:44,107 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-04-03 07:25:44,107 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2023-04-03 07:25:44,107 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2023-04-03 07:25:44,107 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2023-04-03 07:25:44,107 INFO L138 BoogieDeclarations]: Found implementation of procedure if_mii [2023-04-03 07:25:44,107 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_nic_rx [2023-04-03 07:25:44,107 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_nic_rxtx [2023-04-03 07:25:44,107 INFO L138 BoogieDeclarations]: Found implementation of procedure fealnx_init_one [2023-04-03 07:25:44,107 INFO L138 BoogieDeclarations]: Found implementation of procedure fealnx_remove_one [2023-04-03 07:25:44,107 INFO L138 BoogieDeclarations]: Found implementation of procedure m80x_send_cmd_to_phy [2023-04-03 07:25:44,108 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2023-04-03 07:25:44,108 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_write [2023-04-03 07:25:44,108 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_open [2023-04-03 07:25:44,108 INFO L138 BoogieDeclarations]: Found implementation of procedure getlinkstatus [2023-04-03 07:25:44,108 INFO L138 BoogieDeclarations]: Found implementation of procedure getlinktype [2023-04-03 07:25:44,108 INFO L138 BoogieDeclarations]: Found implementation of procedure allocate_rx_buffers [2023-04-03 07:25:44,108 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_timer [2023-04-03 07:25:44,108 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_and_disable_rxtx [2023-04-03 07:25:44,108 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_rxtx [2023-04-03 07:25:44,108 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_timer [2023-04-03 07:25:44,108 INFO L138 BoogieDeclarations]: Found implementation of procedure fealnx_tx_timeout [2023-04-03 07:25:44,108 INFO L138 BoogieDeclarations]: Found implementation of procedure init_ring [2023-04-03 07:25:44,108 INFO L138 BoogieDeclarations]: Found implementation of procedure start_tx [2023-04-03 07:25:44,108 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_tx_descriptors [2023-04-03 07:25:44,108 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_rx_descriptors [2023-04-03 07:25:44,108 INFO L138 BoogieDeclarations]: Found implementation of procedure intr_handler [2023-04-03 07:25:44,108 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_rx [2023-04-03 07:25:44,109 INFO L138 BoogieDeclarations]: Found implementation of procedure get_stats [2023-04-03 07:25:44,109 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2023-04-03 07:25:44,109 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_rx_mode [2023-04-03 07:25:44,109 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_drvinfo [2023-04-03 07:25:44,109 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_settings [2023-04-03 07:25:44,109 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_set_settings [2023-04-03 07:25:44,109 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_nway_reset [2023-04-03 07:25:44,109 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_link [2023-04-03 07:25:44,109 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_msglevel [2023-04-03 07:25:44,109 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_set_msglevel [2023-04-03 07:25:44,109 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ioctl [2023-04-03 07:25:44,109 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_close [2023-04-03 07:25:44,109 INFO L138 BoogieDeclarations]: Found implementation of procedure fealnx_init [2023-04-03 07:25:44,109 INFO L138 BoogieDeclarations]: Found implementation of procedure fealnx_exit [2023-04-03 07:25:44,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_fealnx_exit_14_2 [2023-04-03 07:25:44,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_init_fealnx_init_14_9 [2023-04-03 07:25:44,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___pci_register_driver [2023-04-03 07:25:44,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_etherdev_mqs [2023-04-03 07:25:44,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_allocate_external_0 [2023-04-03 07:25:44,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2023-04-03 07:25:44,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_deregister_11_1 [2023-04-03 07:25:44,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_deregister_12_1 [2023-04-03 07:25:44,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_deregister_dummy_factory_14_14_4 [2023-04-03 07:25:44,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_instance_deregister_6_1 [2023-04-03 07:25:44,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_instance_register_4_3 [2023-04-03 07:25:44,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_irq_deregister_7_1 [2023-04-03 07:25:44,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_irq_register_10_2 [2023-04-03 07:25:44,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_13_2 [2023-04-03 07:25:44,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_9_4 [2023-04-03 07:25:44,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_dummy_factory_14_14_5 [2023-04-03 07:25:44,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_10 [2023-04-03 07:25:44,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_13 [2023-04-03 07:25:44,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_16 [2023-04-03 07:25:44,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_17 [2023-04-03 07:25:44,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_18 [2023-04-03 07:25:44,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_19 [2023-04-03 07:25:44,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_20 [2023-04-03 07:25:44,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_21 [2023-04-03 07:25:44,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_22 [2023-04-03 07:25:44,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_23 [2023-04-03 07:25:44,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_26 [2023-04-03 07:25:44,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_3 [2023-04-03 07:25:44,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_7 [2023-04-03 07:25:44,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_8 [2023-04-03 07:25:44,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_9 [2023-04-03 07:25:44,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_entry_EMGentry_14 [2023-04-03 07:25:44,111 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-03 07:25:44,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2023-04-03 07:25:44,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-04-03 07:25:44,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_external_data [2023-04-03 07:25:44,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_instance_handler_0_5 [2023-04-03 07:25:44,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_instance_thread_0_3 [2023-04-03 07:25:44,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_0 [2023-04-03 07:25:44,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_net_dummy_resourceless_instance_1 [2023-04-03 07:25:44,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_instance_probe_2_17 [2023-04-03 07:25:44,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_instance_release_2_2 [2023-04-03 07:25:44,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_instance_resume_2_5 [2023-04-03 07:25:44,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_instance_resume_early_2_6 [2023-04-03 07:25:44,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_instance_shutdown_2_3 [2023-04-03 07:25:44,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_instance_suspend_2_8 [2023-04-03 07:25:44,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_instance_suspend_late_2_7 [2023-04-03 07:25:44,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_pci_instance_2 [2023-04-03 07:25:44,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_unregister_driver [2023-04-03 07:25:44,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev [2023-04-03 07:25:44,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_open_9_6 [2023-04-03 07:25:44,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2023-04-03 07:25:44,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-04-03 07:25:44,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-04-03 07:25:44,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_1 [2023-04-03 07:25:44,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_6 [2023-04-03 07:25:44,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_1 [2023-04-03 07:25:44,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_5 [2023-04-03 07:25:44,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_2_11 [2023-04-03 07:25:44,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_2_20 [2023-04-03 07:25:44,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_3_1 [2023-04-03 07:25:44,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_3_3 [2023-04-03 07:25:44,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_4_1 [2023-04-03 07:25:44,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_4_4 [2023-04-03 07:25:44,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_dummy_factory_4 [2023-04-03 07:25:44,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_instance_callback_3_2 [2023-04-03 07:25:44,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_timer_instance_3 [2023-04-03 07:25:44,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2023-04-03 07:25:44,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_stop_11_2 [2023-04-03 07:25:44,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata_58 [2023-04-03 07:25:44,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata_59 [2023-04-03 07:25:44,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_etherdev_mqs_60 [2023-04-03 07:25:44,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_61 [2023-04-03 07:25:44,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_62 [2023-04-03 07:25:44,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_63 [2023-04-03 07:25:44,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_64 [2023-04-03 07:25:44,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_65 [2023-04-03 07:25:44,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_66 [2023-04-03 07:25:44,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_67 [2023-04-03 07:25:44,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_68 [2023-04-03 07:25:44,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_70 [2023-04-03 07:25:44,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_72 [2023-04-03 07:25:44,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_74 [2023-04-03 07:25:44,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_75 [2023-04-03 07:25:44,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_76 [2023-04-03 07:25:44,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_77 [2023-04-03 07:25:44,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_78 [2023-04-03 07:25:44,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_79 [2023-04-03 07:25:44,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync_84 [2023-04-03 07:25:44,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync_85 [2023-04-03 07:25:44,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_86 [2023-04-03 07:25:44,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___pci_register_driver_87 [2023-04-03 07:25:44,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_unregister_driver_88 [2023-04-03 07:25:44,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2023-04-03 07:25:44,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-04-03 07:25:44,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spi_alloc_master [2023-04-03 07:25:44,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-04-03 07:25:44,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2023-04-03 07:25:44,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2023-04-03 07:25:44,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2023-04-03 07:25:44,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-04-03 07:25:44,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_init [2023-04-03 07:25:44,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2023-04-03 07:25:44,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-04-03 07:25:44,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kzalloc [2023-04-03 07:25:44,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-04-03 07:25:44,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-04-03 07:25:44,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-04-03 07:25:44,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2023-04-03 07:25:44,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-04-03 07:25:44,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc [2023-04-03 07:25:44,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-04-03 07:25:44,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-04-03 07:25:44,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-04-03 07:25:44,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xzalloc [2023-04-03 07:25:44,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-04-03 07:25:44,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2023-04-03 07:25:44,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_negative [2023-04-03 07:25:44,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_nonpositive [2023-04-03 07:25:44,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_create [2023-04-03 07:25:44,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_create_N [2023-04-03 07:25:44,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_join [2023-04-03 07:25:44,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_join_N [2023-04-03 07:25:44,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock__xmit_lock_of_netdev_queue [2023-04-03 07:25:44,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock__xmit_lock_of_netdev_queue [2023-04-03 07:25:44,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock__xmit_lock_of_netdev_queue [2023-04-03 07:25:44,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait__xmit_lock_of_netdev_queue [2023-04-03 07:25:44,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked__xmit_lock_of_netdev_queue [2023-04-03 07:25:44,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock__xmit_lock_of_netdev_queue [2023-04-03 07:25:44,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended__xmit_lock_of_netdev_queue [2023-04-03 07:25:44,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock__xmit_lock_of_netdev_queue [2023-04-03 07:25:44,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_addr_list_lock_of_net_device [2023-04-03 07:25:44,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_addr_list_lock_of_net_device [2023-04-03 07:25:44,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_addr_list_lock_of_net_device [2023-04-03 07:25:44,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_addr_list_lock_of_net_device [2023-04-03 07:25:44,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_addr_list_lock_of_net_device [2023-04-03 07:25:44,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_addr_list_lock_of_net_device [2023-04-03 07:25:44,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_addr_list_lock_of_net_device [2023-04-03 07:25:44,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_addr_list_lock_of_net_device [2023-04-03 07:25:44,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_alloc_lock_of_task_struct [2023-04-03 07:25:44,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_alloc_lock_of_task_struct [2023-04-03 07:25:44,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_alloc_lock_of_task_struct [2023-04-03 07:25:44,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_alloc_lock_of_task_struct [2023-04-03 07:25:44,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_alloc_lock_of_task_struct [2023-04-03 07:25:44,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_alloc_lock_of_task_struct [2023-04-03 07:25:44,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_alloc_lock_of_task_struct [2023-04-03 07:25:44,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_alloc_lock_of_task_struct [2023-04-03 07:25:44,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_i_lock_of_inode [2023-04-03 07:25:44,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_i_lock_of_inode [2023-04-03 07:25:44,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_i_lock_of_inode [2023-04-03 07:25:44,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_i_lock_of_inode [2023-04-03 07:25:44,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_i_lock_of_inode [2023-04-03 07:25:44,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_i_lock_of_inode [2023-04-03 07:25:44,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_i_lock_of_inode [2023-04-03 07:25:44,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_i_lock_of_inode [2023-04-03 07:25:44,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock [2023-04-03 07:25:44,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock [2023-04-03 07:25:44,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_lock [2023-04-03 07:25:44,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_lock [2023-04-03 07:25:44,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_lock [2023-04-03 07:25:44,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_lock [2023-04-03 07:25:44,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_lock [2023-04-03 07:25:44,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_lock [2023-04-03 07:25:44,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_NOT_ARG_SIGN [2023-04-03 07:25:44,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_NOT_ARG_SIGN [2023-04-03 07:25:44,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_lock_of_NOT_ARG_SIGN [2023-04-03 07:25:44,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_lock_of_NOT_ARG_SIGN [2023-04-03 07:25:44,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_lock_of_NOT_ARG_SIGN [2023-04-03 07:25:44,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_lock_of_NOT_ARG_SIGN [2023-04-03 07:25:44,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_lock_of_NOT_ARG_SIGN [2023-04-03 07:25:44,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_lock_of_NOT_ARG_SIGN [2023-04-03 07:25:44,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_netdev_private [2023-04-03 07:25:44,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_netdev_private [2023-04-03 07:25:44,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_lock_of_netdev_private [2023-04-03 07:25:44,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_lock_of_netdev_private [2023-04-03 07:25:44,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_lock_of_netdev_private [2023-04-03 07:25:44,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_lock_of_netdev_private [2023-04-03 07:25:44,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_lock_of_netdev_private [2023-04-03 07:25:44,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_lock_of_netdev_private [2023-04-03 07:25:44,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lp [2023-04-03 07:25:44,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lp [2023-04-03 07:25:44,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_lp [2023-04-03 07:25:44,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_lp [2023-04-03 07:25:44,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_lp [2023-04-03 07:25:44,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_lp [2023-04-03 07:25:44,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_lp [2023-04-03 07:25:44,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_lp [2023-04-03 07:25:44,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lru_lock_of_netns_frags [2023-04-03 07:25:44,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lru_lock_of_netns_frags [2023-04-03 07:25:44,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_lru_lock_of_netns_frags [2023-04-03 07:25:44,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_lru_lock_of_netns_frags [2023-04-03 07:25:44,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_lru_lock_of_netns_frags [2023-04-03 07:25:44,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_lru_lock_of_netns_frags [2023-04-03 07:25:44,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_lru_lock_of_netns_frags [2023-04-03 07:25:44,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_lru_lock_of_netns_frags [2023-04-03 07:25:44,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_node_size_lock_of_pglist_data [2023-04-03 07:25:44,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_node_size_lock_of_pglist_data [2023-04-03 07:25:44,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_node_size_lock_of_pglist_data [2023-04-03 07:25:44,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_node_size_lock_of_pglist_data [2023-04-03 07:25:44,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_node_size_lock_of_pglist_data [2023-04-03 07:25:44,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_node_size_lock_of_pglist_data [2023-04-03 07:25:44,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_node_size_lock_of_pglist_data [2023-04-03 07:25:44,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_node_size_lock_of_pglist_data [2023-04-03 07:25:44,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_ptl [2023-04-03 07:25:44,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_ptl [2023-04-03 07:25:44,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_ptl [2023-04-03 07:25:44,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_ptl [2023-04-03 07:25:44,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_ptl [2023-04-03 07:25:44,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_ptl [2023-04-03 07:25:44,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_ptl [2023-04-03 07:25:44,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_ptl [2023-04-03 07:25:44,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_siglock_of_sighand_struct [2023-04-03 07:25:44,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_siglock_of_sighand_struct [2023-04-03 07:25:44,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_siglock_of_sighand_struct [2023-04-03 07:25:44,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_siglock_of_sighand_struct [2023-04-03 07:25:44,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_siglock_of_sighand_struct [2023-04-03 07:25:44,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_siglock_of_sighand_struct [2023-04-03 07:25:44,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_siglock_of_sighand_struct [2023-04-03 07:25:44,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_siglock_of_sighand_struct [2023-04-03 07:25:44,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_tx_global_lock_of_net_device [2023-04-03 07:25:44,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_tx_global_lock_of_net_device [2023-04-03 07:25:44,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_tx_global_lock_of_net_device [2023-04-03 07:25:44,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_tx_global_lock_of_net_device [2023-04-03 07:25:44,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_tx_global_lock_of_net_device [2023-04-03 07:25:44,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_tx_global_lock_of_net_device [2023-04-03 07:25:44,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_tx_global_lock_of_net_device [2023-04-03 07:25:44,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_tx_global_lock_of_net_device [2023-04-03 07:25:44,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-04-03 07:25:44,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2023-04-03 07:25:44,122 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-03 07:25:44,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-04-03 07:25:44,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2023-04-03 07:25:44,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-04-03 07:25:44,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-04-03 07:25:44,122 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-04-03 07:25:44,122 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_any [2023-04-03 07:25:44,122 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_irq [2023-04-03 07:25:44,122 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2023-04-03 07:25:44,122 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2023-04-03 07:25:44,122 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2023-04-03 07:25:44,122 INFO L138 BoogieDeclarations]: Found implementation of procedure __pci_register_driver [2023-04-03 07:25:44,122 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-04-03 07:25:44,122 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-04-03 07:25:44,122 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2023-04-03 07:25:44,122 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2023-04-03 07:25:44,122 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irq [2023-04-03 07:25:44,122 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2023-04-03 07:25:44,122 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irq [2023-04-03 07:25:44,123 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2023-04-03 07:25:44,123 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2023-04-03 07:25:44,123 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_etherdev_mqs [2023-04-03 07:25:44,123 INFO L138 BoogieDeclarations]: Found implementation of procedure bitrev32 [2023-04-03 07:25:44,123 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2023-04-03 07:25:44,123 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2023-04-03 07:25:44,123 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_alloc_coherent [2023-04-03 07:25:44,123 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_free_coherent [2023-04-03 07:25:44,123 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2023-04-03 07:25:44,123 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_sync_single_for_cpu [2023-04-03 07:25:44,123 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_sync_single_for_device [2023-04-03 07:25:44,123 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2023-04-03 07:25:44,123 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2023-04-03 07:25:44,123 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-04-03 07:25:44,123 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2023-04-03 07:25:44,123 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2023-04-03 07:25:44,123 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2023-04-03 07:25:44,123 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2023-04-03 07:25:44,123 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-04-03 07:25:44,123 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-04-03 07:25:44,123 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-04-03 07:25:44,124 INFO L138 BoogieDeclarations]: Found implementation of procedure generic_mii_ioctl [2023-04-03 07:25:44,124 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2023-04-03 07:25:44,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2023-04-03 07:25:44,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2023-04-03 07:25:44,124 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2023-04-03 07:25:44,124 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2023-04-03 07:25:44,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2023-04-03 07:25:44,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2023-04-03 07:25:44,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-04-03 07:25:44,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2023-04-03 07:25:44,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2023-04-03 07:25:44,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_register_netdev [2023-04-03 07:25:44,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-04-03 07:25:44,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-04-03 07:25:44,124 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ethtool_gset [2023-04-03 07:25:44,124 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ethtool_sset [2023-04-03 07:25:44,124 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_link_ok [2023-04-03 07:25:44,124 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_nway_restart [2023-04-03 07:25:44,124 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2023-04-03 07:25:44,125 INFO L138 BoogieDeclarations]: Found implementation of procedure netpoll_trap [2023-04-03 07:25:44,125 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2023-04-03 07:25:44,125 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2023-04-03 07:25:44,125 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2023-04-03 07:25:44,125 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-04-03 07:25:44,125 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_request_regions [2023-04-03 07:25:44,125 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2023-04-03 07:25:44,125 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2023-04-03 07:25:44,125 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-04-03 07:25:44,125 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2023-04-03 07:25:44,125 INFO L138 BoogieDeclarations]: Found implementation of procedure request_threaded_irq [2023-04-03 07:25:44,125 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2023-04-03 07:25:44,125 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-04-03 07:25:44,125 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2023-04-03 07:25:44,125 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-04-03 07:25:44,125 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-04-03 07:25:44,125 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-04-03 07:25:44,125 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-04-03 07:25:44,126 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-04-03 07:25:44,126 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-04-03 07:25:44,126 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2023-04-03 07:25:44,126 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-04-03 07:25:44,126 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-04-03 07:25:44,126 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-04-03 07:25:44,126 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2023-04-03 07:25:44,126 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-04-03 07:25:44,126 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-03 07:25:44,126 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-04-03 07:25:44,126 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-04-03 07:25:44,126 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-04-03 07:25:44,126 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2023-04-03 07:25:44,126 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2023-04-03 07:25:44,126 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-04-03 07:25:44,126 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-04-03 07:25:44,126 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2023-04-03 07:25:44,126 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-03 07:25:44,126 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2023-04-03 07:25:44,126 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2023-04-03 07:25:44,127 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_66 [2023-04-03 07:25:44,127 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_68 [2023-04-03 07:25:44,127 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_70 [2023-04-03 07:25:44,127 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_72 [2023-04-03 07:25:44,127 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_76 [2023-04-03 07:25:44,127 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_netdev_private [2023-04-03 07:25:44,127 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_netdev_private [2023-04-03 07:25:44,127 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lp [2023-04-03 07:25:44,127 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lp [2023-04-03 07:25:44,127 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2023-04-03 07:25:44,127 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_init [2023-04-03 07:25:44,127 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2023-04-03 07:25:44,127 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2023-04-03 07:25:44,127 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-04-03 07:25:44,127 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_register_netdev [2023-04-03 07:25:44,127 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-04-03 07:25:44,127 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-04-03 07:25:44,127 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-04-03 07:25:44,127 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-04-03 07:25:44,127 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-04-03 07:25:44,127 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-04-03 07:25:44,128 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-04-03 07:25:44,128 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-04-03 07:25:44,128 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-04-03 07:25:44,128 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2023-04-03 07:25:44,128 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irq [2023-04-03 07:25:44,128 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2023-04-03 07:25:44,128 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irq [2023-04-03 07:25:44,128 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2023-04-03 07:25:44,128 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-04-03 07:25:44,128 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-04-03 07:25:44,128 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_74 [2023-04-03 07:25:44,128 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2023-04-03 07:25:44,128 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_78 [2023-04-03 07:25:44,128 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-04-03 07:25:44,128 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_75 [2023-04-03 07:25:44,128 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2023-04-03 07:25:44,128 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_79 [2023-04-03 07:25:44,128 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-04-03 07:25:44,128 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_67 [2023-04-03 07:25:44,128 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_77 [2023-04-03 07:25:44,128 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2023-04-03 07:25:44,129 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2023-04-03 07:25:44,129 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2023-04-03 07:25:44,129 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync_84 [2023-04-03 07:25:44,129 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync_85 [2023-04-03 07:25:44,129 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2023-04-03 07:25:44,129 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2023-04-03 07:25:44,129 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2023-04-03 07:25:44,129 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2023-04-03 07:25:44,129 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2023-04-03 07:25:44,129 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2023-04-03 07:25:44,129 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2023-04-03 07:25:44,129 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2023-04-03 07:25:44,129 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata_58 [2023-04-03 07:25:44,129 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata_59 [2023-04-03 07:25:44,129 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-04-03 07:25:44,129 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2023-04-03 07:25:44,129 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2023-04-03 07:25:44,129 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-04-03 07:25:44,129 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2023-04-03 07:25:44,129 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-04-03 07:25:44,129 INFO L130 BoogieDeclarations]: Found specification of procedure is_device_dma_capable [2023-04-03 07:25:44,129 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2023-04-03 07:25:44,130 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2023-04-03 07:25:44,130 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_alloc_coherent [2023-04-03 07:25:44,130 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_free_coherent [2023-04-03 07:25:44,130 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_sync_single_for_cpu [2023-04-03 07:25:44,130 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_sync_single_for_device [2023-04-03 07:25:44,130 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-04-03 07:25:44,130 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2023-04-03 07:25:44,130 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2023-04-03 07:25:44,130 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2023-04-03 07:25:44,130 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2023-04-03 07:25:44,130 INFO L130 BoogieDeclarations]: Found specification of procedure dma_sync_single_for_cpu [2023-04-03 07:25:44,130 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2023-04-03 07:25:44,130 INFO L130 BoogieDeclarations]: Found specification of procedure dma_sync_single_for_device [2023-04-03 07:25:44,130 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_coherent_mask [2023-04-03 07:25:44,130 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_coherent_gfp_flags [2023-04-03 07:25:44,130 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2023-04-03 07:25:44,130 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~gfp_t~0~X~$Pointer$~TO~$Pointer$ [2023-04-03 07:25:44,130 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2023-04-03 07:25:44,130 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-03 07:25:44,130 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~dma_addr_t~0~X~$Pointer$~TO~VOID [2023-04-03 07:25:44,131 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2023-04-03 07:25:44,131 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2023-04-03 07:25:44,131 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2023-04-03 07:25:44,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-03 07:25:44,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-03 07:25:44,131 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2023-04-03 07:25:44,131 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2023-04-03 07:25:44,131 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_to_linear_data [2023-04-03 07:25:44,131 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-04-03 07:25:44,131 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-04-03 07:25:44,131 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-04-03 07:25:44,131 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-04-03 07:25:44,131 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_62 [2023-04-03 07:25:44,131 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_64 [2023-04-03 07:25:44,131 INFO L130 BoogieDeclarations]: Found specification of procedure netpoll_trap [2023-04-03 07:25:44,131 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2023-04-03 07:25:44,131 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2023-04-03 07:25:44,131 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2023-04-03 07:25:44,131 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2023-04-03 07:25:44,131 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-04-03 07:25:44,131 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2023-04-03 07:25:44,131 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-04-03 07:25:44,132 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2023-04-03 07:25:44,132 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_irq [2023-04-03 07:25:44,132 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_any [2023-04-03 07:25:44,132 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2023-04-03 07:25:44,132 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2023-04-03 07:25:44,132 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2023-04-03 07:25:44,132 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2023-04-03 07:25:44,132 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_61 [2023-04-03 07:25:44,132 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2023-04-03 07:25:44,132 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_63 [2023-04-03 07:25:44,132 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2023-04-03 07:25:44,132 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2023-04-03 07:25:44,132 INFO L130 BoogieDeclarations]: Found specification of procedure pci_request_regions [2023-04-03 07:25:44,132 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-04-03 07:25:44,132 INFO L130 BoogieDeclarations]: Found specification of procedure __pci_register_driver [2023-04-03 07:25:44,132 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___pci_register_driver_87 [2023-04-03 07:25:44,132 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2023-04-03 07:25:44,132 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_unregister_driver_88 [2023-04-03 07:25:44,132 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2023-04-03 07:25:44,132 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2023-04-03 07:25:44,132 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2023-04-03 07:25:44,133 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2023-04-03 07:25:44,133 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_cpu [2023-04-03 07:25:44,133 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_device [2023-04-03 07:25:44,133 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-04-03 07:25:44,133 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2023-04-03 07:25:44,133 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2023-04-03 07:25:44,133 INFO L130 BoogieDeclarations]: Found specification of procedure request_threaded_irq [2023-04-03 07:25:44,133 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2023-04-03 07:25:44,133 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_65 [2023-04-03 07:25:44,133 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-04-03 07:25:44,133 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_86 [2023-04-03 07:25:44,133 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2023-04-03 07:25:44,133 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2023-04-03 07:25:44,133 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2023-04-03 07:25:44,133 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-04-03 07:25:44,133 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_etherdev_mqs [2023-04-03 07:25:44,133 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_etherdev_mqs_60 [2023-04-03 07:25:44,133 INFO L130 BoogieDeclarations]: Found specification of procedure mii_link_ok [2023-04-03 07:25:44,133 INFO L130 BoogieDeclarations]: Found specification of procedure mii_nway_restart [2023-04-03 07:25:44,133 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ethtool_gset [2023-04-03 07:25:44,133 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ethtool_sset [2023-04-03 07:25:44,133 INFO L130 BoogieDeclarations]: Found specification of procedure generic_mii_ioctl [2023-04-03 07:25:44,134 INFO L130 BoogieDeclarations]: Found specification of procedure if_mii [2023-04-03 07:25:44,134 INFO L130 BoogieDeclarations]: Found specification of procedure bitrev32 [2023-04-03 07:25:44,134 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2023-04-03 07:25:44,134 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2023-04-03 07:25:44,134 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_write [2023-04-03 07:25:44,134 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_open [2023-04-03 07:25:44,134 INFO L130 BoogieDeclarations]: Found specification of procedure getlinktype [2023-04-03 07:25:44,134 INFO L130 BoogieDeclarations]: Found specification of procedure getlinkstatus [2023-04-03 07:25:44,134 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_timer [2023-04-03 07:25:44,134 INFO L130 BoogieDeclarations]: Found specification of procedure reset_timer [2023-04-03 07:25:44,134 INFO L130 BoogieDeclarations]: Found specification of procedure fealnx_tx_timeout [2023-04-03 07:25:44,134 INFO L130 BoogieDeclarations]: Found specification of procedure init_ring [2023-04-03 07:25:44,134 INFO L130 BoogieDeclarations]: Found specification of procedure start_tx [2023-04-03 07:25:44,134 INFO L130 BoogieDeclarations]: Found specification of procedure intr_handler [2023-04-03 07:25:44,134 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_rx [2023-04-03 07:25:44,134 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2023-04-03 07:25:44,134 INFO L130 BoogieDeclarations]: Found specification of procedure __set_rx_mode [2023-04-03 07:25:44,134 INFO L130 BoogieDeclarations]: Found specification of procedure get_stats [2023-04-03 07:25:44,134 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ioctl [2023-04-03 07:25:44,134 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_close [2023-04-03 07:25:44,134 INFO L130 BoogieDeclarations]: Found specification of procedure reset_rx_descriptors [2023-04-03 07:25:44,134 INFO L130 BoogieDeclarations]: Found specification of procedure reset_tx_descriptors [2023-04-03 07:25:44,134 INFO L130 BoogieDeclarations]: Found specification of procedure stop_nic_rx [2023-04-03 07:25:44,135 INFO L130 BoogieDeclarations]: Found specification of procedure stop_nic_rxtx [2023-04-03 07:25:44,135 INFO L130 BoogieDeclarations]: Found specification of procedure fealnx_init_one [2023-04-03 07:25:44,135 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-04-03 07:25:44,135 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-03 07:25:44,135 INFO L130 BoogieDeclarations]: Found specification of procedure fealnx_remove_one [2023-04-03 07:25:44,135 INFO L130 BoogieDeclarations]: Found specification of procedure m80x_send_cmd_to_phy [2023-04-03 07:25:44,135 INFO L130 BoogieDeclarations]: Found specification of procedure allocate_rx_buffers [2023-04-03 07:25:44,135 INFO L130 BoogieDeclarations]: Found specification of procedure reset_and_disable_rxtx [2023-04-03 07:25:44,135 INFO L130 BoogieDeclarations]: Found specification of procedure enable_rxtx [2023-04-03 07:25:44,135 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-04-03 07:25:44,135 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_drvinfo [2023-04-03 07:25:44,135 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_settings [2023-04-03 07:25:44,135 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_set_settings [2023-04-03 07:25:44,135 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_nway_reset [2023-04-03 07:25:44,135 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_link [2023-04-03 07:25:44,135 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_msglevel [2023-04-03 07:25:44,135 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_set_msglevel [2023-04-03 07:25:44,135 INFO L130 BoogieDeclarations]: Found specification of procedure fealnx_init [2023-04-03 07:25:44,135 INFO L130 BoogieDeclarations]: Found specification of procedure fealnx_exit [2023-04-03 07:25:44,135 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_fealnx_exit_14_2 [2023-04-03 07:25:44,135 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_init_fealnx_init_14_9 [2023-04-03 07:25:44,135 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___pci_register_driver [2023-04-03 07:25:44,136 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_etherdev_mqs [2023-04-03 07:25:44,136 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_allocate_external_0 [2023-04-03 07:25:44,136 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2023-04-03 07:25:44,136 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_deregister_11_1 [2023-04-03 07:25:44,136 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_deregister_12_1 [2023-04-03 07:25:44,136 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_deregister_dummy_factory_14_14_4 [2023-04-03 07:25:44,136 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_instance_deregister_6_1 [2023-04-03 07:25:44,136 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_instance_register_4_3 [2023-04-03 07:25:44,136 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_irq_deregister_7_1 [2023-04-03 07:25:44,136 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_irq_register_10_2 [2023-04-03 07:25:44,136 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_13_2 [2023-04-03 07:25:44,136 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_9_4 [2023-04-03 07:25:44,136 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_dummy_factory_14_14_5 [2023-04-03 07:25:44,136 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_10 [2023-04-03 07:25:44,136 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_13 [2023-04-03 07:25:44,136 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_16 [2023-04-03 07:25:44,136 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_17 [2023-04-03 07:25:44,136 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_18 [2023-04-03 07:25:44,136 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_19 [2023-04-03 07:25:44,136 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_20 [2023-04-03 07:25:44,136 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_21 [2023-04-03 07:25:44,136 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_22 [2023-04-03 07:25:44,136 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_23 [2023-04-03 07:25:44,137 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_26 [2023-04-03 07:25:44,137 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_3 [2023-04-03 07:25:44,137 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_7 [2023-04-03 07:25:44,137 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_8 [2023-04-03 07:25:44,137 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_9 [2023-04-03 07:25:44,137 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_entry_EMGentry_14 [2023-04-03 07:25:44,137 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-03 07:25:44,137 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2023-04-03 07:25:44,137 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-04-03 07:25:44,137 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_external_data [2023-04-03 07:25:44,137 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_instance_handler_0_5 [2023-04-03 07:25:44,137 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_instance_thread_0_3 [2023-04-03 07:25:44,137 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_0 [2023-04-03 07:25:44,137 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_net_dummy_resourceless_instance_1 [2023-04-03 07:25:44,137 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_instance_probe_2_17 [2023-04-03 07:25:44,137 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_instance_release_2_2 [2023-04-03 07:25:44,137 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_instance_resume_2_5 [2023-04-03 07:25:44,137 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_instance_resume_early_2_6 [2023-04-03 07:25:44,137 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_instance_shutdown_2_3 [2023-04-03 07:25:44,137 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_instance_suspend_2_8 [2023-04-03 07:25:44,137 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_instance_suspend_late_2_7 [2023-04-03 07:25:44,137 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_pci_instance_2 [2023-04-03 07:25:44,138 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_unregister_driver [2023-04-03 07:25:44,138 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev [2023-04-03 07:25:44,138 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_open_9_6 [2023-04-03 07:25:44,138 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2023-04-03 07:25:44,138 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-04-03 07:25:44,138 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-04-03 07:25:44,138 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_1 [2023-04-03 07:25:44,138 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_6 [2023-04-03 07:25:44,138 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_1 [2023-04-03 07:25:44,138 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_5 [2023-04-03 07:25:44,138 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_2_11 [2023-04-03 07:25:44,138 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_2_20 [2023-04-03 07:25:44,138 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_3_1 [2023-04-03 07:25:44,138 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_3_3 [2023-04-03 07:25:44,138 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_4_1 [2023-04-03 07:25:44,138 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_4_4 [2023-04-03 07:25:44,138 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_dummy_factory_4 [2023-04-03 07:25:44,138 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_instance_callback_3_2 [2023-04-03 07:25:44,138 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_timer_instance_3 [2023-04-03 07:25:44,138 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2023-04-03 07:25:44,138 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_stop_11_2 [2023-04-03 07:25:44,138 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-04-03 07:25:44,138 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2023-04-03 07:25:44,139 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-04-03 07:25:44,139 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-04-03 07:25:44,139 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-04-03 07:25:44,139 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2023-04-03 07:25:44,139 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xzalloc [2023-04-03 07:25:44,139 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-04-03 07:25:44,139 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spi_alloc_master [2023-04-03 07:25:44,139 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-04-03 07:25:44,139 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2023-04-03 07:25:44,139 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2023-04-03 07:25:44,139 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2023-04-03 07:25:44,139 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-04-03 07:25:44,139 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-04-03 07:25:44,139 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2023-04-03 07:25:44,139 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kzalloc [2023-04-03 07:25:44,139 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2023-04-03 07:25:44,139 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2023-04-03 07:25:44,139 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2023-04-03 07:25:44,139 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-03 07:25:44,139 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2023-04-03 07:25:44,139 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-03 07:25:44,139 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-03 07:25:44,139 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-04-03 07:25:44,140 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2023-04-03 07:25:44,140 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_negative [2023-04-03 07:25:44,140 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_nonpositive [2023-04-03 07:25:44,140 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-03 07:25:44,140 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2023-04-03 07:25:44,140 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_create [2023-04-03 07:25:44,140 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_create_N [2023-04-03 07:25:44,140 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_join [2023-04-03 07:25:44,140 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_join_N [2023-04-03 07:25:44,140 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-04-03 07:25:44,140 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2023-04-03 07:25:44,140 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-04-03 07:25:44,140 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-04-03 07:25:44,140 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock__xmit_lock_of_netdev_queue [2023-04-03 07:25:44,140 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock__xmit_lock_of_netdev_queue [2023-04-03 07:25:44,140 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock__xmit_lock_of_netdev_queue [2023-04-03 07:25:44,140 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait__xmit_lock_of_netdev_queue [2023-04-03 07:25:44,140 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked__xmit_lock_of_netdev_queue [2023-04-03 07:25:44,140 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock__xmit_lock_of_netdev_queue [2023-04-03 07:25:44,140 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended__xmit_lock_of_netdev_queue [2023-04-03 07:25:44,140 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock__xmit_lock_of_netdev_queue [2023-04-03 07:25:44,140 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_addr_list_lock_of_net_device [2023-04-03 07:25:44,140 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_addr_list_lock_of_net_device [2023-04-03 07:25:44,141 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_addr_list_lock_of_net_device [2023-04-03 07:25:44,141 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_addr_list_lock_of_net_device [2023-04-03 07:25:44,141 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_addr_list_lock_of_net_device [2023-04-03 07:25:44,141 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_addr_list_lock_of_net_device [2023-04-03 07:25:44,141 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_addr_list_lock_of_net_device [2023-04-03 07:25:44,141 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_addr_list_lock_of_net_device [2023-04-03 07:25:44,141 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_alloc_lock_of_task_struct [2023-04-03 07:25:44,141 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_alloc_lock_of_task_struct [2023-04-03 07:25:44,141 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_alloc_lock_of_task_struct [2023-04-03 07:25:44,141 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_alloc_lock_of_task_struct [2023-04-03 07:25:44,141 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_alloc_lock_of_task_struct [2023-04-03 07:25:44,141 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_alloc_lock_of_task_struct [2023-04-03 07:25:44,141 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_alloc_lock_of_task_struct [2023-04-03 07:25:44,141 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_alloc_lock_of_task_struct [2023-04-03 07:25:44,141 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_i_lock_of_inode [2023-04-03 07:25:44,141 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_i_lock_of_inode [2023-04-03 07:25:44,141 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_i_lock_of_inode [2023-04-03 07:25:44,141 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_i_lock_of_inode [2023-04-03 07:25:44,141 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_i_lock_of_inode [2023-04-03 07:25:44,141 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_i_lock_of_inode [2023-04-03 07:25:44,141 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_i_lock_of_inode [2023-04-03 07:25:44,141 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_i_lock_of_inode [2023-04-03 07:25:44,141 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock [2023-04-03 07:25:44,142 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock [2023-04-03 07:25:44,142 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_lock [2023-04-03 07:25:44,142 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_lock [2023-04-03 07:25:44,142 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_lock [2023-04-03 07:25:44,142 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_lock [2023-04-03 07:25:44,142 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_lock [2023-04-03 07:25:44,142 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_lock [2023-04-03 07:25:44,142 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_NOT_ARG_SIGN [2023-04-03 07:25:44,142 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_NOT_ARG_SIGN [2023-04-03 07:25:44,142 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_lock_of_NOT_ARG_SIGN [2023-04-03 07:25:44,142 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_lock_of_NOT_ARG_SIGN [2023-04-03 07:25:44,142 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_lock_of_NOT_ARG_SIGN [2023-04-03 07:25:44,142 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_lock_of_NOT_ARG_SIGN [2023-04-03 07:25:44,142 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_lock_of_NOT_ARG_SIGN [2023-04-03 07:25:44,142 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_lock_of_NOT_ARG_SIGN [2023-04-03 07:25:44,142 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_lock_of_netdev_private [2023-04-03 07:25:44,142 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_lock_of_netdev_private [2023-04-03 07:25:44,142 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_lock_of_netdev_private [2023-04-03 07:25:44,142 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_lock_of_netdev_private [2023-04-03 07:25:44,142 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_lock_of_netdev_private [2023-04-03 07:25:44,142 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_lock_of_netdev_private [2023-04-03 07:25:44,142 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_lp [2023-04-03 07:25:44,142 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_lp [2023-04-03 07:25:44,143 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_lp [2023-04-03 07:25:44,143 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_lp [2023-04-03 07:25:44,143 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_lp [2023-04-03 07:25:44,143 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_lp [2023-04-03 07:25:44,143 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lru_lock_of_netns_frags [2023-04-03 07:25:44,143 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lru_lock_of_netns_frags [2023-04-03 07:25:44,143 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_lru_lock_of_netns_frags [2023-04-03 07:25:44,143 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_lru_lock_of_netns_frags [2023-04-03 07:25:44,143 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_lru_lock_of_netns_frags [2023-04-03 07:25:44,143 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_lru_lock_of_netns_frags [2023-04-03 07:25:44,143 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_lru_lock_of_netns_frags [2023-04-03 07:25:44,143 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_lru_lock_of_netns_frags [2023-04-03 07:25:44,143 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_node_size_lock_of_pglist_data [2023-04-03 07:25:44,143 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_node_size_lock_of_pglist_data [2023-04-03 07:25:44,143 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_node_size_lock_of_pglist_data [2023-04-03 07:25:44,143 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_node_size_lock_of_pglist_data [2023-04-03 07:25:44,143 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_node_size_lock_of_pglist_data [2023-04-03 07:25:44,143 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_node_size_lock_of_pglist_data [2023-04-03 07:25:44,143 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_node_size_lock_of_pglist_data [2023-04-03 07:25:44,143 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_node_size_lock_of_pglist_data [2023-04-03 07:25:44,143 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_ptl [2023-04-03 07:25:44,143 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_ptl [2023-04-03 07:25:44,144 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_ptl [2023-04-03 07:25:44,144 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_ptl [2023-04-03 07:25:44,144 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_ptl [2023-04-03 07:25:44,144 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_ptl [2023-04-03 07:25:44,144 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_ptl [2023-04-03 07:25:44,144 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_ptl [2023-04-03 07:25:44,144 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_siglock_of_sighand_struct [2023-04-03 07:25:44,144 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_siglock_of_sighand_struct [2023-04-03 07:25:44,144 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_siglock_of_sighand_struct [2023-04-03 07:25:44,144 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_siglock_of_sighand_struct [2023-04-03 07:25:44,144 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_siglock_of_sighand_struct [2023-04-03 07:25:44,144 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_siglock_of_sighand_struct [2023-04-03 07:25:44,144 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_siglock_of_sighand_struct [2023-04-03 07:25:44,144 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_siglock_of_sighand_struct [2023-04-03 07:25:44,144 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_tx_global_lock_of_net_device [2023-04-03 07:25:44,144 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_tx_global_lock_of_net_device [2023-04-03 07:25:44,144 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_tx_global_lock_of_net_device [2023-04-03 07:25:44,144 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_tx_global_lock_of_net_device [2023-04-03 07:25:44,144 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_tx_global_lock_of_net_device [2023-04-03 07:25:44,144 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_tx_global_lock_of_net_device [2023-04-03 07:25:44,144 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_tx_global_lock_of_net_device [2023-04-03 07:25:44,144 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_tx_global_lock_of_net_device [2023-04-03 07:25:44,144 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2023-04-03 07:25:44,145 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-03 07:25:44,145 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-03 07:25:44,145 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2023-04-03 07:25:44,145 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2023-04-03 07:25:44,145 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-03 07:25:44,145 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2023-04-03 07:25:44,145 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2023-04-03 07:25:44,145 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-04-03 07:25:44,145 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-03 07:25:44,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-03 07:25:44,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-04-03 07:25:44,145 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-03 07:25:44,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-04-03 07:25:44,145 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-04-03 07:25:44,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-04-03 07:25:44,145 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-04-03 07:25:44,991 INFO L236 CfgBuilder]: Building ICFG [2023-04-03 07:25:44,998 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-03 07:25:45,974 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint mainFINAL: assume true; [2023-04-03 07:25:46,259 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-04-03 07:25:47,353 INFO L277 CfgBuilder]: Performing block encoding [2023-04-03 07:25:48,796 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-03 07:25:48,796 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-04-03 07:25:48,800 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 07:25:48 BoogieIcfgContainer [2023-04-03 07:25:48,800 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-03 07:25:48,802 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-03 07:25:48,802 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-03 07:25:48,804 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-03 07:25:48,804 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.04 07:25:41" (1/3) ... [2023-04-03 07:25:48,804 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30106ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 07:25:48, skipping insertion in model container [2023-04-03 07:25:48,804 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 07:25:43" (2/3) ... [2023-04-03 07:25:48,805 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30106ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 07:25:48, skipping insertion in model container [2023-04-03 07:25:48,805 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 07:25:48" (3/3) ... [2023-04-03 07:25:48,805 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-fealnx.cil.i [2023-04-03 07:25:48,817 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-03 07:25:48,817 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2023-04-03 07:25:48,864 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-03 07:25:48,869 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;@5fdf1733, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-03 07:25:48,869 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-04-03 07:25:48,877 INFO L276 IsEmpty]: Start isEmpty. Operand has 2223 states, 1160 states have (on average 1.1827586206896552) internal successors, (1372), 1191 states have internal predecessors, (1372), 668 states have call successors, (668), 284 states have call predecessors, (668), 282 states have return successors, (661), 651 states have call predecessors, (661), 661 states have call successors, (661) [2023-04-03 07:25:48,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2023-04-03 07:25:48,890 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:25:48,891 INFO L195 NwaCegarLoop]: trace histogram [10, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 07:25:48,891 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 07:25:48,894 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:25:48,894 INFO L85 PathProgramCache]: Analyzing trace with hash -15009842, now seen corresponding path program 1 times [2023-04-03 07:25:48,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:25:48,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [758080194] [2023-04-03 07:25:48,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:25:48,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:25:49,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:25:49,439 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2023-04-03 07:25:49,439 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:25:49,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [758080194] [2023-04-03 07:25:49,440 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [758080194] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:25:49,440 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:25:49,440 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 07:25:49,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939588737] [2023-04-03 07:25:49,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:25:49,444 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 07:25:49,444 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:25:49,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 07:25:49,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 07:25:49,466 INFO L87 Difference]: Start difference. First operand has 2223 states, 1160 states have (on average 1.1827586206896552) internal successors, (1372), 1191 states have internal predecessors, (1372), 668 states have call successors, (668), 284 states have call predecessors, (668), 282 states have return successors, (661), 651 states have call predecessors, (661), 661 states have call successors, (661) Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2023-04-03 07:25:51,508 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:25:52,789 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:25:54,816 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:25:56,770 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:25:57,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:25:57,201 INFO L93 Difference]: Finished difference Result 5582 states and 7254 transitions. [2023-04-03 07:25:57,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 07:25:57,203 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 126 [2023-04-03 07:25:57,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:25:57,231 INFO L225 Difference]: With dead ends: 5582 [2023-04-03 07:25:57,231 INFO L226 Difference]: Without dead ends: 3675 [2023-04-03 07:25:57,244 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 07:25:57,248 INFO L413 NwaCegarLoop]: 2158 mSDtfsCounter, 2290 mSDsluCounter, 2080 mSDsCounter, 0 mSdLazyCounter, 625 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2290 SdHoareTripleChecker+Valid, 4238 SdHoareTripleChecker+Invalid, 632 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 625 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.5s IncrementalHoareTripleChecker+Time [2023-04-03 07:25:57,248 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2290 Valid, 4238 Invalid, 632 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 625 Invalid, 0 Unknown, 0 Unchecked, 7.5s Time] [2023-04-03 07:25:57,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3675 states. [2023-04-03 07:25:57,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3675 to 3671. [2023-04-03 07:25:57,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3671 states, 1989 states have (on average 1.1985922574157868) internal successors, (2384), 2046 states have internal predecessors, (2384), 1144 states have call successors, (1144), 538 states have call predecessors, (1144), 535 states have return successors, (1139), 1119 states have call predecessors, (1139), 1139 states have call successors, (1139) [2023-04-03 07:25:57,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3671 states to 3671 states and 4667 transitions. [2023-04-03 07:25:57,465 INFO L78 Accepts]: Start accepts. Automaton has 3671 states and 4667 transitions. Word has length 126 [2023-04-03 07:25:57,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:25:57,467 INFO L495 AbstractCegarLoop]: Abstraction has 3671 states and 4667 transitions. [2023-04-03 07:25:57,467 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2023-04-03 07:25:57,467 INFO L276 IsEmpty]: Start isEmpty. Operand 3671 states and 4667 transitions. [2023-04-03 07:25:57,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2023-04-03 07:25:57,476 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:25:57,477 INFO L195 NwaCegarLoop]: trace histogram [10, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 07:25:57,477 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-03 07:25:57,477 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 07:25:57,478 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:25:57,478 INFO L85 PathProgramCache]: Analyzing trace with hash -2110470513, now seen corresponding path program 1 times [2023-04-03 07:25:57,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:25:57,481 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [135042299] [2023-04-03 07:25:57,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:25:57,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:25:57,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:25:57,809 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2023-04-03 07:25:57,809 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:25:57,809 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [135042299] [2023-04-03 07:25:57,810 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [135042299] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:25:57,810 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:25:57,810 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 07:25:57,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [481368327] [2023-04-03 07:25:57,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:25:57,811 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 07:25:57,811 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:25:57,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 07:25:57,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 07:25:57,812 INFO L87 Difference]: Start difference. First operand 3671 states and 4667 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2023-04-03 07:26:01,798 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:26:03,806 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:26:04,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:26:04,396 INFO L93 Difference]: Finished difference Result 10339 states and 13183 transitions. [2023-04-03 07:26:04,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 07:26:04,397 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 133 [2023-04-03 07:26:04,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:26:04,431 INFO L225 Difference]: With dead ends: 10339 [2023-04-03 07:26:04,431 INFO L226 Difference]: Without dead ends: 6700 [2023-04-03 07:26:04,444 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 07:26:04,445 INFO L413 NwaCegarLoop]: 2245 mSDtfsCounter, 2058 mSDsluCounter, 2068 mSDsCounter, 0 mSdLazyCounter, 620 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2058 SdHoareTripleChecker+Valid, 4313 SdHoareTripleChecker+Invalid, 627 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 620 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2023-04-03 07:26:04,447 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2058 Valid, 4313 Invalid, 627 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 620 Invalid, 1 Unknown, 0 Unchecked, 6.4s Time] [2023-04-03 07:26:04,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6700 states. [2023-04-03 07:26:04,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6700 to 6658. [2023-04-03 07:26:04,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6658 states, 3604 states have (on average 1.1956159822419534) internal successors, (4309), 3709 states have internal predecessors, (4309), 2068 states have call successors, (2068), 999 states have call predecessors, (2068), 983 states have return successors, (2113), 2002 states have call predecessors, (2113), 2063 states have call successors, (2113) [2023-04-03 07:26:04,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6658 states to 6658 states and 8490 transitions. [2023-04-03 07:26:04,807 INFO L78 Accepts]: Start accepts. Automaton has 6658 states and 8490 transitions. Word has length 133 [2023-04-03 07:26:04,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:26:04,808 INFO L495 AbstractCegarLoop]: Abstraction has 6658 states and 8490 transitions. [2023-04-03 07:26:04,810 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2023-04-03 07:26:04,810 INFO L276 IsEmpty]: Start isEmpty. Operand 6658 states and 8490 transitions. [2023-04-03 07:26:04,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2023-04-03 07:26:04,814 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:26:04,814 INFO L195 NwaCegarLoop]: trace histogram [10, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 07:26:04,814 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-03 07:26:04,814 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 07:26:04,816 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:26:04,816 INFO L85 PathProgramCache]: Analyzing trace with hash -546279824, now seen corresponding path program 1 times [2023-04-03 07:26:04,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:26:04,816 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [67133158] [2023-04-03 07:26:04,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:26:04,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:26:04,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:26:05,271 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2023-04-03 07:26:05,272 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:26:05,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [67133158] [2023-04-03 07:26:05,272 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [67133158] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:26:05,272 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:26:05,272 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-04-03 07:26:05,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1183111768] [2023-04-03 07:26:05,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:26:05,273 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-04-03 07:26:05,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:26:05,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-04-03 07:26:05,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2023-04-03 07:26:05,275 INFO L87 Difference]: Start difference. First operand 6658 states and 8490 transitions. Second operand has 6 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 4 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2023-04-03 07:26:07,740 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:26:12,808 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:26:14,816 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:26:16,821 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:26:18,757 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:26:20,765 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:26:22,799 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:26:24,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:26:24,738 INFO L93 Difference]: Finished difference Result 15633 states and 19923 transitions. [2023-04-03 07:26:24,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-04-03 07:26:24,739 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 4 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 137 [2023-04-03 07:26:24,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:26:24,775 INFO L225 Difference]: With dead ends: 15633 [2023-04-03 07:26:24,775 INFO L226 Difference]: Without dead ends: 9007 [2023-04-03 07:26:24,796 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2023-04-03 07:26:24,796 INFO L413 NwaCegarLoop]: 2731 mSDtfsCounter, 6344 mSDsluCounter, 4405 mSDsCounter, 0 mSdLazyCounter, 2461 mSolverCounterSat, 2466 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6349 SdHoareTripleChecker+Valid, 7136 SdHoareTripleChecker+Invalid, 4931 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2466 IncrementalHoareTripleChecker+Valid, 2461 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.0s IncrementalHoareTripleChecker+Time [2023-04-03 07:26:24,797 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6349 Valid, 7136 Invalid, 4931 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2466 Valid, 2461 Invalid, 4 Unknown, 0 Unchecked, 19.0s Time] [2023-04-03 07:26:24,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9007 states. [2023-04-03 07:26:25,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9007 to 8923. [2023-04-03 07:26:25,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8923 states, 4828 states have (on average 1.1932477216238608) internal successors, (5761), 4970 states have internal predecessors, (5761), 2742 states have call successors, (2742), 1381 states have call predecessors, (2742), 1350 states have return successors, (2795), 2636 states have call predecessors, (2795), 2737 states have call successors, (2795) [2023-04-03 07:26:25,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8923 states to 8923 states and 11298 transitions. [2023-04-03 07:26:25,084 INFO L78 Accepts]: Start accepts. Automaton has 8923 states and 11298 transitions. Word has length 137 [2023-04-03 07:26:25,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:26:25,084 INFO L495 AbstractCegarLoop]: Abstraction has 8923 states and 11298 transitions. [2023-04-03 07:26:25,085 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 4 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2023-04-03 07:26:25,085 INFO L276 IsEmpty]: Start isEmpty. Operand 8923 states and 11298 transitions. [2023-04-03 07:26:25,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2023-04-03 07:26:25,086 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:26:25,086 INFO L195 NwaCegarLoop]: trace histogram [10, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 07:26:25,086 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-03 07:26:25,087 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 07:26:25,093 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:26:25,093 INFO L85 PathProgramCache]: Analyzing trace with hash -824197958, now seen corresponding path program 1 times [2023-04-03 07:26:25,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:26:25,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2066447348] [2023-04-03 07:26:25,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:26:25,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:26:25,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:26:25,254 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2023-04-03 07:26:25,254 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:26:25,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2066447348] [2023-04-03 07:26:25,254 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2066447348] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:26:25,254 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:26:25,254 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 07:26:25,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [659898296] [2023-04-03 07:26:25,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:26:25,255 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 07:26:25,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:26:25,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 07:26:25,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 07:26:25,256 INFO L87 Difference]: Start difference. First operand 8923 states and 11298 transitions. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2023-04-03 07:26:26,715 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:26:30,806 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:26:31,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:26:31,099 INFO L93 Difference]: Finished difference Result 23289 states and 29632 transitions. [2023-04-03 07:26:31,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 07:26:31,099 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 136 [2023-04-03 07:26:31,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:26:31,165 INFO L225 Difference]: With dead ends: 23289 [2023-04-03 07:26:31,165 INFO L226 Difference]: Without dead ends: 14398 [2023-04-03 07:26:31,203 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 07:26:31,203 INFO L413 NwaCegarLoop]: 2141 mSDtfsCounter, 2047 mSDsluCounter, 2053 mSDsCounter, 0 mSdLazyCounter, 666 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2047 SdHoareTripleChecker+Valid, 4194 SdHoareTripleChecker+Invalid, 674 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 666 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2023-04-03 07:26:31,203 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2047 Valid, 4194 Invalid, 674 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 666 Invalid, 1 Unknown, 0 Unchecked, 5.5s Time] [2023-04-03 07:26:31,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14398 states. [2023-04-03 07:26:31,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14398 to 14356. [2023-04-03 07:26:31,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14356 states, 7780 states have (on average 1.1898457583547557) internal successors, (9257), 8037 states have internal predecessors, (9257), 4437 states have call successors, (4437), 2199 states have call predecessors, (4437), 2136 states have return successors, (4580), 4227 states have call predecessors, (4580), 4432 states have call successors, (4580) [2023-04-03 07:26:31,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14356 states to 14356 states and 18274 transitions. [2023-04-03 07:26:31,757 INFO L78 Accepts]: Start accepts. Automaton has 14356 states and 18274 transitions. Word has length 136 [2023-04-03 07:26:31,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:26:31,758 INFO L495 AbstractCegarLoop]: Abstraction has 14356 states and 18274 transitions. [2023-04-03 07:26:31,759 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2023-04-03 07:26:31,759 INFO L276 IsEmpty]: Start isEmpty. Operand 14356 states and 18274 transitions. [2023-04-03 07:26:31,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2023-04-03 07:26:31,760 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:26:31,761 INFO L195 NwaCegarLoop]: trace histogram [10, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 07:26:31,761 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-03 07:26:31,761 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 07:26:31,761 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:26:31,761 INFO L85 PathProgramCache]: Analyzing trace with hash -137841679, now seen corresponding path program 1 times [2023-04-03 07:26:31,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:26:31,761 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [55777935] [2023-04-03 07:26:31,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:26:31,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:26:31,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:26:31,955 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2023-04-03 07:26:31,955 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:26:31,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [55777935] [2023-04-03 07:26:31,957 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [55777935] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:26:31,957 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:26:31,957 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 07:26:31,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1110928061] [2023-04-03 07:26:31,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:26:31,958 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 07:26:31,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:26:31,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 07:26:31,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 07:26:31,958 INFO L87 Difference]: Start difference. First operand 14356 states and 18274 transitions. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2023-04-03 07:26:34,642 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:26:36,676 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:26:37,800 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:26:40,859 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:26:42,872 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:26:44,879 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:26:44,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:26:44,987 INFO L93 Difference]: Finished difference Result 40255 states and 51232 transitions. [2023-04-03 07:26:44,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 07:26:44,988 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 140 [2023-04-03 07:26:44,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:26:45,088 INFO L225 Difference]: With dead ends: 40255 [2023-04-03 07:26:45,088 INFO L226 Difference]: Without dead ends: 25931 [2023-04-03 07:26:45,133 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 07:26:45,133 INFO L413 NwaCegarLoop]: 2479 mSDtfsCounter, 2297 mSDsluCounter, 2043 mSDsCounter, 0 mSdLazyCounter, 656 mSolverCounterSat, 3 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2297 SdHoareTripleChecker+Valid, 4522 SdHoareTripleChecker+Invalid, 664 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 656 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.3s IncrementalHoareTripleChecker+Time [2023-04-03 07:26:45,134 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2297 Valid, 4522 Invalid, 664 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 656 Invalid, 5 Unknown, 0 Unchecked, 12.3s Time] [2023-04-03 07:26:45,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25931 states. [2023-04-03 07:26:46,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25931 to 25821. [2023-04-03 07:26:46,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25821 states, 14046 states have (on average 1.1905168731311406) internal successors, (16722), 14554 states have internal predecessors, (16722), 7878 states have call successors, (7878), 4038 states have call predecessors, (7878), 3894 states have return successors, (8212), 7436 states have call predecessors, (8212), 7873 states have call successors, (8212) [2023-04-03 07:26:46,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25821 states to 25821 states and 32812 transitions. [2023-04-03 07:26:46,166 INFO L78 Accepts]: Start accepts. Automaton has 25821 states and 32812 transitions. Word has length 140 [2023-04-03 07:26:46,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:26:46,166 INFO L495 AbstractCegarLoop]: Abstraction has 25821 states and 32812 transitions. [2023-04-03 07:26:46,166 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2023-04-03 07:26:46,166 INFO L276 IsEmpty]: Start isEmpty. Operand 25821 states and 32812 transitions. [2023-04-03 07:26:46,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2023-04-03 07:26:46,168 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:26:46,168 INFO L195 NwaCegarLoop]: trace histogram [11, 9, 9, 9, 9, 9, 9, 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] [2023-04-03 07:26:46,169 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-04-03 07:26:46,169 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 07:26:46,169 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:26:46,169 INFO L85 PathProgramCache]: Analyzing trace with hash 1666522449, now seen corresponding path program 1 times [2023-04-03 07:26:46,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:26:46,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [878775817] [2023-04-03 07:26:46,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:26:46,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:26:46,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:26:46,355 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 326 trivial. 0 not checked. [2023-04-03 07:26:46,355 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:26:46,355 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [878775817] [2023-04-03 07:26:46,355 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [878775817] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:26:46,355 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:26:46,355 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 07:26:46,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118360168] [2023-04-03 07:26:46,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:26:46,356 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 07:26:46,356 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:26:46,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 07:26:46,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 07:26:46,356 INFO L87 Difference]: Start difference. First operand 25821 states and 32812 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 4 states have call successors, (30), 3 states have call predecessors, (30), 2 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2023-04-03 07:26:52,140 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:26:54,149 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:26:56,958 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:26:58,968 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:27:00,977 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:27:06,414 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:27:08,199 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:27:09,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:27:09,322 INFO L93 Difference]: Finished difference Result 76494 states and 97261 transitions. [2023-04-03 07:27:09,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-04-03 07:27:09,323 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 4 states have call successors, (30), 3 states have call predecessors, (30), 2 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) Word has length 168 [2023-04-03 07:27:09,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:27:09,496 INFO L225 Difference]: With dead ends: 76494 [2023-04-03 07:27:09,496 INFO L226 Difference]: Without dead ends: 50705 [2023-04-03 07:27:09,568 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-04-03 07:27:09,569 INFO L413 NwaCegarLoop]: 77 mSDtfsCounter, 3983 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 7977 mSolverCounterSat, 2146 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4572 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 10129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2146 IncrementalHoareTripleChecker+Valid, 7977 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.4s IncrementalHoareTripleChecker+Time [2023-04-03 07:27:09,571 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4572 Valid, 190 Invalid, 10129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2146 Valid, 7977 Invalid, 6 Unknown, 0 Unchecked, 21.4s Time] [2023-04-03 07:27:09,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50705 states. [2023-04-03 07:27:11,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50705 to 50559. [2023-04-03 07:27:11,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50559 states, 27511 states have (on average 1.1893060957435209) internal successors, (32719), 28590 states have internal predecessors, (32719), 15359 states have call successors, (15359), 7885 states have call predecessors, (15359), 7686 states have return successors, (16121), 14496 states have call predecessors, (16121), 15354 states have call successors, (16121) [2023-04-03 07:27:11,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50559 states to 50559 states and 64199 transitions. [2023-04-03 07:27:11,722 INFO L78 Accepts]: Start accepts. Automaton has 50559 states and 64199 transitions. Word has length 168 [2023-04-03 07:27:11,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:27:11,723 INFO L495 AbstractCegarLoop]: Abstraction has 50559 states and 64199 transitions. [2023-04-03 07:27:11,723 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 4 states have call successors, (30), 3 states have call predecessors, (30), 2 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2023-04-03 07:27:11,723 INFO L276 IsEmpty]: Start isEmpty. Operand 50559 states and 64199 transitions. [2023-04-03 07:27:11,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2023-04-03 07:27:11,724 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:27:11,724 INFO L195 NwaCegarLoop]: trace histogram [13, 9, 9, 9, 9, 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] [2023-04-03 07:27:11,725 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-04-03 07:27:11,725 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 07:27:11,725 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:27:11,725 INFO L85 PathProgramCache]: Analyzing trace with hash -1883335203, now seen corresponding path program 1 times [2023-04-03 07:27:11,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:27:11,725 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1133237187] [2023-04-03 07:27:11,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:27:11,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:27:11,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:27:11,979 INFO L134 CoverageAnalysis]: Checked inductivity of 401 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 394 trivial. 0 not checked. [2023-04-03 07:27:11,979 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:27:11,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1133237187] [2023-04-03 07:27:11,980 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1133237187] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:27:11,980 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:27:11,980 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 07:27:11,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1032493166] [2023-04-03 07:27:11,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:27:11,981 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 07:27:11,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:27:11,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 07:27:11,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 07:27:11,982 INFO L87 Difference]: Start difference. First operand 50559 states and 64199 transitions. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (34), 3 states have call predecessors, (34), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2023-04-03 07:27:15,096 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:27:17,103 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:27:19,109 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:27:22,043 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:27:23,300 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:27:25,237 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.94s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:27:25,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:27:25,630 INFO L93 Difference]: Finished difference Result 50565 states and 64204 transitions. [2023-04-03 07:27:25,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 07:27:25,631 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (34), 3 states have call predecessors, (34), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 198 [2023-04-03 07:27:25,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:27:25,802 INFO L225 Difference]: With dead ends: 50565 [2023-04-03 07:27:25,802 INFO L226 Difference]: Without dead ends: 50563 [2023-04-03 07:27:25,831 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-04-03 07:27:25,832 INFO L413 NwaCegarLoop]: 2127 mSDtfsCounter, 2408 mSDsluCounter, 4241 mSDsCounter, 0 mSdLazyCounter, 926 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2420 SdHoareTripleChecker+Valid, 6368 SdHoareTripleChecker+Invalid, 930 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 926 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.9s IncrementalHoareTripleChecker+Time [2023-04-03 07:27:25,832 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2420 Valid, 6368 Invalid, 930 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 926 Invalid, 3 Unknown, 0 Unchecked, 11.9s Time] [2023-04-03 07:27:25,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50563 states. [2023-04-03 07:27:28,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50563 to 50563. [2023-04-03 07:27:28,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50563 states, 27514 states have (on average 1.1892854546776186) internal successors, (32722), 28593 states have internal predecessors, (32722), 15359 states have call successors, (15359), 7886 states have call predecessors, (15359), 7687 states have return successors, (16121), 14496 states have call predecessors, (16121), 15354 states have call successors, (16121) [2023-04-03 07:27:28,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50563 states to 50563 states and 64202 transitions. [2023-04-03 07:27:28,227 INFO L78 Accepts]: Start accepts. Automaton has 50563 states and 64202 transitions. Word has length 198 [2023-04-03 07:27:28,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:27:28,227 INFO L495 AbstractCegarLoop]: Abstraction has 50563 states and 64202 transitions. [2023-04-03 07:27:28,227 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (34), 3 states have call predecessors, (34), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2023-04-03 07:27:28,227 INFO L276 IsEmpty]: Start isEmpty. Operand 50563 states and 64202 transitions. [2023-04-03 07:27:28,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2023-04-03 07:27:28,229 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:27:28,229 INFO L195 NwaCegarLoop]: trace histogram [13, 9, 9, 9, 9, 9, 9, 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] [2023-04-03 07:27:28,229 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-04-03 07:27:28,230 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 07:27:28,230 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:27:28,230 INFO L85 PathProgramCache]: Analyzing trace with hash -1307134015, now seen corresponding path program 1 times [2023-04-03 07:27:28,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:27:28,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1384900276] [2023-04-03 07:27:28,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:27:28,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:27:28,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:27:28,472 INFO L134 CoverageAnalysis]: Checked inductivity of 403 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 394 trivial. 0 not checked. [2023-04-03 07:27:28,472 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:27:28,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1384900276] [2023-04-03 07:27:28,472 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1384900276] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:27:28,472 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:27:28,472 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 07:27:28,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [221651394] [2023-04-03 07:27:28,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:27:28,473 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 07:27:28,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:27:28,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 07:27:28,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 07:27:28,474 INFO L87 Difference]: Start difference. First operand 50563 states and 64202 transitions. Second operand has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (35), 3 states have call predecessors, (35), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-04-03 07:27:31,674 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:27:33,681 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:27:35,686 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:27:38,147 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:27:39,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:27:39,080 INFO L93 Difference]: Finished difference Result 50569 states and 64207 transitions. [2023-04-03 07:27:39,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 07:27:39,080 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (35), 3 states have call predecessors, (35), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 203 [2023-04-03 07:27:39,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:27:39,236 INFO L225 Difference]: With dead ends: 50569 [2023-04-03 07:27:39,236 INFO L226 Difference]: Without dead ends: 50567 [2023-04-03 07:27:39,268 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-04-03 07:27:39,269 INFO L413 NwaCegarLoop]: 2130 mSDtfsCounter, 2403 mSDsluCounter, 4241 mSDsCounter, 0 mSdLazyCounter, 926 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2414 SdHoareTripleChecker+Valid, 6371 SdHoareTripleChecker+Invalid, 930 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 926 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.8s IncrementalHoareTripleChecker+Time [2023-04-03 07:27:39,269 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2414 Valid, 6371 Invalid, 930 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 926 Invalid, 3 Unknown, 0 Unchecked, 8.8s Time] [2023-04-03 07:27:39,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50567 states. [2023-04-03 07:27:41,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50567 to 50567. [2023-04-03 07:27:41,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50567 states, 27517 states have (on average 1.1892648181124397) internal successors, (32725), 28596 states have internal predecessors, (32725), 15359 states have call successors, (15359), 7887 states have call predecessors, (15359), 7688 states have return successors, (16121), 14496 states have call predecessors, (16121), 15354 states have call successors, (16121) [2023-04-03 07:27:41,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50567 states to 50567 states and 64205 transitions. [2023-04-03 07:27:41,764 INFO L78 Accepts]: Start accepts. Automaton has 50567 states and 64205 transitions. Word has length 203 [2023-04-03 07:27:41,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:27:41,765 INFO L495 AbstractCegarLoop]: Abstraction has 50567 states and 64205 transitions. [2023-04-03 07:27:41,765 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (35), 3 states have call predecessors, (35), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-04-03 07:27:41,765 INFO L276 IsEmpty]: Start isEmpty. Operand 50567 states and 64205 transitions. [2023-04-03 07:27:41,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2023-04-03 07:27:41,767 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:27:41,767 INFO L195 NwaCegarLoop]: trace histogram [13, 9, 9, 9, 9, 9, 9, 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] [2023-04-03 07:27:41,767 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-04-03 07:27:41,768 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 07:27:41,768 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:27:41,768 INFO L85 PathProgramCache]: Analyzing trace with hash 467221533, now seen corresponding path program 1 times [2023-04-03 07:27:41,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:27:41,768 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1704651982] [2023-04-03 07:27:41,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:27:41,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:27:41,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:27:41,977 INFO L134 CoverageAnalysis]: Checked inductivity of 409 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 398 trivial. 0 not checked. [2023-04-03 07:27:41,978 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:27:41,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1704651982] [2023-04-03 07:27:41,978 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1704651982] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:27:41,978 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:27:41,978 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 07:27:41,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784443608] [2023-04-03 07:27:41,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:27:41,979 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 07:27:41,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:27:41,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 07:27:41,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 07:27:41,979 INFO L87 Difference]: Start difference. First operand 50567 states and 64205 transitions. Second operand has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (36), 3 states have call predecessors, (36), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2023-04-03 07:27:44,182 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 07:27:46,191 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:27:48,196 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:27:53,320 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:27:53,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:27:53,822 INFO L93 Difference]: Finished difference Result 50573 states and 64210 transitions. [2023-04-03 07:27:53,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 07:27:53,823 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (36), 3 states have call predecessors, (36), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 208 [2023-04-03 07:27:53,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:27:53,977 INFO L225 Difference]: With dead ends: 50573 [2023-04-03 07:27:53,977 INFO L226 Difference]: Without dead ends: 50571 [2023-04-03 07:27:54,004 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-04-03 07:27:54,005 INFO L413 NwaCegarLoop]: 2130 mSDtfsCounter, 2403 mSDsluCounter, 4241 mSDsCounter, 0 mSdLazyCounter, 927 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2413 SdHoareTripleChecker+Valid, 6371 SdHoareTripleChecker+Invalid, 930 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 927 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.7s IncrementalHoareTripleChecker+Time [2023-04-03 07:27:54,005 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2413 Valid, 6371 Invalid, 930 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 927 Invalid, 2 Unknown, 0 Unchecked, 9.7s Time] [2023-04-03 07:27:54,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50571 states. [2023-04-03 07:27:56,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50571 to 50571. [2023-04-03 07:27:56,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50571 states, 27520 states have (on average 1.1892441860465117) internal successors, (32728), 28599 states have internal predecessors, (32728), 15359 states have call successors, (15359), 7888 states have call predecessors, (15359), 7689 states have return successors, (16121), 14496 states have call predecessors, (16121), 15354 states have call successors, (16121) [2023-04-03 07:27:56,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50571 states to 50571 states and 64208 transitions. [2023-04-03 07:27:56,544 INFO L78 Accepts]: Start accepts. Automaton has 50571 states and 64208 transitions. Word has length 208 [2023-04-03 07:27:56,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:27:56,544 INFO L495 AbstractCegarLoop]: Abstraction has 50571 states and 64208 transitions. [2023-04-03 07:27:56,544 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (36), 3 states have call predecessors, (36), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2023-04-03 07:27:56,544 INFO L276 IsEmpty]: Start isEmpty. Operand 50571 states and 64208 transitions. [2023-04-03 07:27:56,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2023-04-03 07:27:56,547 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:27:56,547 INFO L195 NwaCegarLoop]: trace histogram [13, 9, 9, 9, 9, 9, 9, 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] [2023-04-03 07:27:56,547 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-04-03 07:27:56,547 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 07:27:56,547 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:27:56,547 INFO L85 PathProgramCache]: Analyzing trace with hash 1478764801, now seen corresponding path program 1 times [2023-04-03 07:27:56,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:27:56,548 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1224496554] [2023-04-03 07:27:56,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:27:56,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:27:56,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:27:56,769 INFO L134 CoverageAnalysis]: Checked inductivity of 419 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 406 trivial. 0 not checked. [2023-04-03 07:27:56,770 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:27:56,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1224496554] [2023-04-03 07:27:56,770 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1224496554] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:27:56,770 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:27:56,770 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 07:27:56,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1871258105] [2023-04-03 07:27:56,770 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:27:56,770 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 07:27:56,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:27:56,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 07:27:56,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 07:27:56,771 INFO L87 Difference]: Start difference. First operand 50571 states and 64208 transitions. Second operand has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (37), 3 states have call predecessors, (37), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2023-04-03 07:27:59,932 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:28:01,578 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:28:05,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:28:05,497 INFO L93 Difference]: Finished difference Result 50577 states and 64213 transitions. [2023-04-03 07:28:05,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 07:28:05,497 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (37), 3 states have call predecessors, (37), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 213 [2023-04-03 07:28:05,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:28:05,654 INFO L225 Difference]: With dead ends: 50577 [2023-04-03 07:28:05,654 INFO L226 Difference]: Without dead ends: 50575 [2023-04-03 07:28:05,686 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-04-03 07:28:05,686 INFO L413 NwaCegarLoop]: 2130 mSDtfsCounter, 2403 mSDsluCounter, 4241 mSDsCounter, 0 mSdLazyCounter, 928 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2412 SdHoareTripleChecker+Valid, 6371 SdHoareTripleChecker+Invalid, 930 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 928 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2023-04-03 07:28:05,687 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2412 Valid, 6371 Invalid, 930 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 928 Invalid, 1 Unknown, 0 Unchecked, 6.6s Time] [2023-04-03 07:28:05,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50575 states. [2023-04-03 07:28:08,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50575 to 50575. [2023-04-03 07:28:08,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50575 states, 27523 states have (on average 1.1892235584783635) internal successors, (32731), 28602 states have internal predecessors, (32731), 15359 states have call successors, (15359), 7889 states have call predecessors, (15359), 7690 states have return successors, (16121), 14496 states have call predecessors, (16121), 15354 states have call successors, (16121) [2023-04-03 07:28:08,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50575 states to 50575 states and 64211 transitions. [2023-04-03 07:28:08,366 INFO L78 Accepts]: Start accepts. Automaton has 50575 states and 64211 transitions. Word has length 213 [2023-04-03 07:28:08,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:28:08,366 INFO L495 AbstractCegarLoop]: Abstraction has 50575 states and 64211 transitions. [2023-04-03 07:28:08,366 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (37), 3 states have call predecessors, (37), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2023-04-03 07:28:08,366 INFO L276 IsEmpty]: Start isEmpty. Operand 50575 states and 64211 transitions. [2023-04-03 07:28:08,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2023-04-03 07:28:08,370 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:28:08,370 INFO L195 NwaCegarLoop]: trace histogram [13, 9, 9, 9, 9, 9, 9, 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] [2023-04-03 07:28:08,370 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-04-03 07:28:08,370 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 07:28:08,370 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:28:08,370 INFO L85 PathProgramCache]: Analyzing trace with hash 1996145245, now seen corresponding path program 1 times [2023-04-03 07:28:08,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:28:08,371 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1595610379] [2023-04-03 07:28:08,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:28:08,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:28:08,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:28:08,584 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 418 trivial. 0 not checked. [2023-04-03 07:28:08,584 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:28:08,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1595610379] [2023-04-03 07:28:08,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1595610379] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:28:08,584 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:28:08,584 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 07:28:08,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [646190278] [2023-04-03 07:28:08,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:28:08,585 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 07:28:08,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:28:08,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 07:28:08,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 07:28:08,585 INFO L87 Difference]: Start difference. First operand 50575 states and 64211 transitions. Second operand has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (38), 3 states have call predecessors, (38), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2023-04-03 07:28:12,287 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:28:14,050 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:28:18,892 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:28:19,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:28:19,412 INFO L93 Difference]: Finished difference Result 50581 states and 64216 transitions. [2023-04-03 07:28:19,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 07:28:19,413 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (38), 3 states have call predecessors, (38), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 218 [2023-04-03 07:28:19,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:28:19,592 INFO L225 Difference]: With dead ends: 50581 [2023-04-03 07:28:19,593 INFO L226 Difference]: Without dead ends: 50579 [2023-04-03 07:28:19,628 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-04-03 07:28:19,629 INFO L413 NwaCegarLoop]: 2130 mSDtfsCounter, 2403 mSDsluCounter, 4241 mSDsCounter, 0 mSdLazyCounter, 928 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2411 SdHoareTripleChecker+Valid, 6371 SdHoareTripleChecker+Invalid, 930 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 928 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.4s IncrementalHoareTripleChecker+Time [2023-04-03 07:28:19,629 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2411 Valid, 6371 Invalid, 930 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 928 Invalid, 1 Unknown, 0 Unchecked, 8.4s Time] [2023-04-03 07:28:19,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50579 states. [2023-04-03 07:28:22,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50579 to 50579. [2023-04-03 07:28:22,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50579 states, 27526 states have (on average 1.1892029354065248) internal successors, (32734), 28605 states have internal predecessors, (32734), 15359 states have call successors, (15359), 7890 states have call predecessors, (15359), 7691 states have return successors, (16121), 14496 states have call predecessors, (16121), 15354 states have call successors, (16121) [2023-04-03 07:28:22,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50579 states to 50579 states and 64214 transitions. [2023-04-03 07:28:22,881 INFO L78 Accepts]: Start accepts. Automaton has 50579 states and 64214 transitions. Word has length 218 [2023-04-03 07:28:22,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:28:22,881 INFO L495 AbstractCegarLoop]: Abstraction has 50579 states and 64214 transitions. [2023-04-03 07:28:22,882 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (38), 3 states have call predecessors, (38), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2023-04-03 07:28:22,882 INFO L276 IsEmpty]: Start isEmpty. Operand 50579 states and 64214 transitions. [2023-04-03 07:28:22,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2023-04-03 07:28:22,885 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:28:22,885 INFO L195 NwaCegarLoop]: trace histogram [13, 9, 9, 9, 9, 9, 9, 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] [2023-04-03 07:28:22,885 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-04-03 07:28:22,885 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 07:28:22,885 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:28:22,885 INFO L85 PathProgramCache]: Analyzing trace with hash -529089983, now seen corresponding path program 1 times [2023-04-03 07:28:22,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:28:22,885 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1980522565] [2023-04-03 07:28:22,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:28:22,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:28:23,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:28:23,321 INFO L134 CoverageAnalysis]: Checked inductivity of 451 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 434 trivial. 0 not checked. [2023-04-03 07:28:23,321 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:28:23,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1980522565] [2023-04-03 07:28:23,321 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1980522565] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:28:23,321 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:28:23,321 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 07:28:23,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [477970844] [2023-04-03 07:28:23,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:28:23,322 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 07:28:23,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:28:23,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 07:28:23,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 07:28:23,323 INFO L87 Difference]: Start difference. First operand 50579 states and 64214 transitions. Second operand has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (39), 3 states have call predecessors, (39), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2023-04-03 07:28:26,601 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:28:27,775 WARN L539 Checker$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 07:28:29,785 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:28:33,767 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:28:35,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:28:35,109 INFO L93 Difference]: Finished difference Result 50585 states and 64219 transitions. [2023-04-03 07:28:35,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 07:28:35,119 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (39), 3 states have call predecessors, (39), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) Word has length 223 [2023-04-03 07:28:35,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:28:35,259 INFO L225 Difference]: With dead ends: 50585 [2023-04-03 07:28:35,260 INFO L226 Difference]: Without dead ends: 50583 [2023-04-03 07:28:35,287 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-04-03 07:28:35,287 INFO L413 NwaCegarLoop]: 2130 mSDtfsCounter, 2403 mSDsluCounter, 4241 mSDsCounter, 0 mSdLazyCounter, 926 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2410 SdHoareTripleChecker+Valid, 6371 SdHoareTripleChecker+Invalid, 930 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 926 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.4s IncrementalHoareTripleChecker+Time [2023-04-03 07:28:35,288 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2410 Valid, 6371 Invalid, 930 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 926 Invalid, 3 Unknown, 0 Unchecked, 9.4s Time] [2023-04-03 07:28:35,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50583 states. [2023-04-03 07:28:38,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50583 to 50583. [2023-04-03 07:28:38,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50583 states, 27529 states have (on average 1.1891823168295252) internal successors, (32737), 28608 states have internal predecessors, (32737), 15359 states have call successors, (15359), 7891 states have call predecessors, (15359), 7692 states have return successors, (16121), 14496 states have call predecessors, (16121), 15354 states have call successors, (16121) [2023-04-03 07:28:38,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50583 states to 50583 states and 64217 transitions. [2023-04-03 07:28:38,524 INFO L78 Accepts]: Start accepts. Automaton has 50583 states and 64217 transitions. Word has length 223 [2023-04-03 07:28:38,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:28:38,524 INFO L495 AbstractCegarLoop]: Abstraction has 50583 states and 64217 transitions. [2023-04-03 07:28:38,524 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (39), 3 states have call predecessors, (39), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2023-04-03 07:28:38,524 INFO L276 IsEmpty]: Start isEmpty. Operand 50583 states and 64217 transitions. [2023-04-03 07:28:38,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2023-04-03 07:28:38,527 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:28:38,527 INFO L195 NwaCegarLoop]: trace histogram [13, 9, 9, 9, 9, 9, 9, 7, 6, 6, 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] [2023-04-03 07:28:38,527 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-04-03 07:28:38,528 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 07:28:38,528 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:28:38,528 INFO L85 PathProgramCache]: Analyzing trace with hash 614135731, now seen corresponding path program 1 times [2023-04-03 07:28:38,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:28:38,528 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [627336939] [2023-04-03 07:28:38,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:28:38,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:28:38,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:28:38,817 INFO L134 CoverageAnalysis]: Checked inductivity of 481 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 466 trivial. 0 not checked. [2023-04-03 07:28:38,817 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:28:38,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [627336939] [2023-04-03 07:28:38,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [627336939] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:28:38,817 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:28:38,817 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 07:28:38,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1121248771] [2023-04-03 07:28:38,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:28:38,818 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 07:28:38,818 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:28:38,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 07:28:38,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 07:28:38,819 INFO L87 Difference]: Start difference. First operand 50583 states and 64217 transitions. Second operand has 5 states, 5 states have (on average 14.8) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (48), 3 states have call predecessors, (48), 2 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2023-04-03 07:28:41,971 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:28:43,524 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:28:44,690 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:28:48,012 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:28:50,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:28:50,356 INFO L93 Difference]: Finished difference Result 55861 states and 70145 transitions. [2023-04-03 07:28:50,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 07:28:50,356 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 4 states have internal predecessors, (74), 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 253 [2023-04-03 07:28:50,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:28:50,519 INFO L225 Difference]: With dead ends: 55861 [2023-04-03 07:28:50,519 INFO L226 Difference]: Without dead ends: 55859 [2023-04-03 07:28:50,549 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-04-03 07:28:50,549 INFO L413 NwaCegarLoop]: 2310 mSDtfsCounter, 1908 mSDsluCounter, 5321 mSDsCounter, 0 mSdLazyCounter, 1164 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1914 SdHoareTripleChecker+Valid, 7631 SdHoareTripleChecker+Invalid, 1166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.6s IncrementalHoareTripleChecker+Time [2023-04-03 07:28:50,549 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1914 Valid, 7631 Invalid, 1166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1164 Invalid, 0 Unknown, 0 Unchecked, 8.6s Time] [2023-04-03 07:28:50,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55859 states. [2023-04-03 07:28:53,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55859 to 55857. [2023-04-03 07:28:54,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55857 states, 30488 states have (on average 1.186499606402519) internal successors, (36174), 31631 states have internal predecessors, (36174), 16603 states have call successors, (16603), 8962 states have call predecessors, (16603), 8763 states have return successors, (17365), 15740 states have call predecessors, (17365), 16598 states have call successors, (17365) [2023-04-03 07:28:54,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55857 states to 55857 states and 70142 transitions. [2023-04-03 07:28:54,180 INFO L78 Accepts]: Start accepts. Automaton has 55857 states and 70142 transitions. Word has length 253 [2023-04-03 07:28:54,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:28:54,181 INFO L495 AbstractCegarLoop]: Abstraction has 55857 states and 70142 transitions. [2023-04-03 07:28:54,181 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (48), 3 states have call predecessors, (48), 2 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2023-04-03 07:28:54,181 INFO L276 IsEmpty]: Start isEmpty. Operand 55857 states and 70142 transitions. [2023-04-03 07:28:54,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2023-04-03 07:28:54,185 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:28:54,185 INFO L195 NwaCegarLoop]: trace histogram [13, 9, 9, 9, 9, 9, 9, 8, 7, 7, 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] [2023-04-03 07:28:54,185 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-04-03 07:28:54,185 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 07:28:54,186 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:28:54,186 INFO L85 PathProgramCache]: Analyzing trace with hash -1163224533, now seen corresponding path program 1 times [2023-04-03 07:28:54,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:28:54,186 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [567925026] [2023-04-03 07:28:54,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:28:54,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:28:54,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:28:54,499 INFO L134 CoverageAnalysis]: Checked inductivity of 507 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 490 trivial. 0 not checked. [2023-04-03 07:28:54,500 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:28:54,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [567925026] [2023-04-03 07:28:54,500 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [567925026] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:28:54,500 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:28:54,500 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 07:28:54,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452721929] [2023-04-03 07:28:54,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:28:54,500 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 07:28:54,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:28:54,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 07:28:54,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 07:28:54,503 INFO L87 Difference]: Start difference. First operand 55857 states and 70142 transitions. Second operand has 5 states, 5 states have (on average 14.8) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (49), 3 states have call predecessors, (49), 2 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) [2023-04-03 07:28:57,766 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:29:03,448 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:29:05,463 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:29:07,469 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:29:08,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:29:08,438 INFO L93 Difference]: Finished difference Result 56641 states and 70956 transitions. [2023-04-03 07:29:08,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 07:29:08,439 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 4 states have internal predecessors, (74), 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 258 [2023-04-03 07:29:08,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:29:08,597 INFO L225 Difference]: With dead ends: 56641 [2023-04-03 07:29:08,598 INFO L226 Difference]: Without dead ends: 56639 [2023-04-03 07:29:08,627 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-04-03 07:29:08,628 INFO L413 NwaCegarLoop]: 2176 mSDtfsCounter, 2390 mSDsluCounter, 4399 mSDsCounter, 0 mSdLazyCounter, 974 mSolverCounterSat, 2 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2395 SdHoareTripleChecker+Valid, 6575 SdHoareTripleChecker+Invalid, 980 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 974 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.9s IncrementalHoareTripleChecker+Time [2023-04-03 07:29:08,628 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2395 Valid, 6575 Invalid, 980 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 974 Invalid, 4 Unknown, 0 Unchecked, 10.9s Time] [2023-04-03 07:29:08,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56639 states. [2023-04-03 07:29:12,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56639 to 56637. [2023-04-03 07:29:12,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56637 states, 30963 states have (on average 1.1862222652843717) internal successors, (36729), 32106 states have internal predecessors, (36729), 16731 states have call successors, (16731), 9139 states have call predecessors, (16731), 8940 states have return successors, (17493), 15868 states have call predecessors, (17493), 16726 states have call successors, (17493) [2023-04-03 07:29:12,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56637 states to 56637 states and 70953 transitions. [2023-04-03 07:29:12,268 INFO L78 Accepts]: Start accepts. Automaton has 56637 states and 70953 transitions. Word has length 258 [2023-04-03 07:29:12,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:29:12,269 INFO L495 AbstractCegarLoop]: Abstraction has 56637 states and 70953 transitions. [2023-04-03 07:29:12,269 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (49), 3 states have call predecessors, (49), 2 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) [2023-04-03 07:29:12,269 INFO L276 IsEmpty]: Start isEmpty. Operand 56637 states and 70953 transitions. [2023-04-03 07:29:12,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2023-04-03 07:29:12,273 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:29:12,274 INFO L195 NwaCegarLoop]: trace histogram [13, 9, 9, 9, 9, 9, 9, 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] [2023-04-03 07:29:12,274 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-04-03 07:29:12,274 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 07:29:12,274 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:29:12,274 INFO L85 PathProgramCache]: Analyzing trace with hash -873304355, now seen corresponding path program 1 times [2023-04-03 07:29:12,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:29:12,274 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1211305968] [2023-04-03 07:29:12,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:29:12,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:29:12,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:29:12,486 INFO L134 CoverageAnalysis]: Checked inductivity of 529 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 506 trivial. 0 not checked. [2023-04-03 07:29:12,487 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:29:12,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1211305968] [2023-04-03 07:29:12,487 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1211305968] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:29:12,487 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:29:12,487 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 07:29:12,487 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1565691386] [2023-04-03 07:29:12,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:29:12,488 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 07:29:12,488 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:29:12,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 07:29:12,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 07:29:12,488 INFO L87 Difference]: Start difference. First operand 56637 states and 70953 transitions. Second operand has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (42), 3 states have call predecessors, (42), 2 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2023-04-03 07:29:15,477 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:29:17,488 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:29:19,496 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:29:23,651 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:29:25,660 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:29:27,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:29:27,299 INFO L93 Difference]: Finished difference Result 56643 states and 70958 transitions. [2023-04-03 07:29:27,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 07:29:27,300 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 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 238 [2023-04-03 07:29:27,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:29:27,471 INFO L225 Difference]: With dead ends: 56643 [2023-04-03 07:29:27,471 INFO L226 Difference]: Without dead ends: 56641 [2023-04-03 07:29:27,508 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-04-03 07:29:27,509 INFO L413 NwaCegarLoop]: 2130 mSDtfsCounter, 2403 mSDsluCounter, 4241 mSDsCounter, 0 mSdLazyCounter, 925 mSolverCounterSat, 1 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2407 SdHoareTripleChecker+Valid, 6371 SdHoareTripleChecker+Invalid, 930 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 925 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.6s IncrementalHoareTripleChecker+Time [2023-04-03 07:29:27,509 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2407 Valid, 6371 Invalid, 930 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [1 Valid, 925 Invalid, 4 Unknown, 0 Unchecked, 11.6s Time] [2023-04-03 07:29:27,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56641 states. [2023-04-03 07:29:31,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56641 to 56641. [2023-04-03 07:29:31,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56641 states, 30966 states have (on average 1.1862042239875994) internal successors, (36732), 32109 states have internal predecessors, (36732), 16731 states have call successors, (16731), 9140 states have call predecessors, (16731), 8941 states have return successors, (17493), 15868 states have call predecessors, (17493), 16726 states have call successors, (17493) [2023-04-03 07:29:31,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56641 states to 56641 states and 70956 transitions. [2023-04-03 07:29:31,285 INFO L78 Accepts]: Start accepts. Automaton has 56641 states and 70956 transitions. Word has length 238 [2023-04-03 07:29:31,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:29:31,286 INFO L495 AbstractCegarLoop]: Abstraction has 56641 states and 70956 transitions. [2023-04-03 07:29:31,286 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (42), 3 states have call predecessors, (42), 2 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2023-04-03 07:29:31,286 INFO L276 IsEmpty]: Start isEmpty. Operand 56641 states and 70956 transitions. [2023-04-03 07:29:31,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2023-04-03 07:29:31,496 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:29:31,496 INFO L195 NwaCegarLoop]: trace histogram [13, 10, 9, 9, 9, 9, 9, 9, 9, 9, 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] [2023-04-03 07:29:31,496 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-04-03 07:29:31,496 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 07:29:31,497 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:29:31,497 INFO L85 PathProgramCache]: Analyzing trace with hash -120807701, now seen corresponding path program 1 times [2023-04-03 07:29:31,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:29:31,497 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [682232856] [2023-04-03 07:29:31,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:29:31,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:29:31,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:29:31,752 INFO L134 CoverageAnalysis]: Checked inductivity of 571 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 550 trivial. 0 not checked. [2023-04-03 07:29:31,753 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:29:31,753 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [682232856] [2023-04-03 07:29:31,754 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [682232856] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:29:31,754 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:29:31,754 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 07:29:31,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [428272985] [2023-04-03 07:29:31,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:29:31,755 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 07:29:31,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:29:31,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 07:29:31,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 07:29:31,755 INFO L87 Difference]: Start difference. First operand 56641 states and 70956 transitions. Second operand has 5 states, 5 states have (on average 14.8) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (51), 3 states have call predecessors, (51), 2 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) [2023-04-03 07:29:34,846 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:29:36,853 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:29:38,866 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:29:43,446 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:29:44,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:29:44,594 INFO L93 Difference]: Finished difference Result 56647 states and 70961 transitions. [2023-04-03 07:29:44,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 07:29:44,595 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (51), 3 states have call predecessors, (51), 2 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) Word has length 268 [2023-04-03 07:29:44,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:29:44,834 INFO L225 Difference]: With dead ends: 56647 [2023-04-03 07:29:44,834 INFO L226 Difference]: Without dead ends: 56645 [2023-04-03 07:29:44,860 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-04-03 07:29:44,860 INFO L413 NwaCegarLoop]: 2130 mSDtfsCounter, 2406 mSDsluCounter, 4241 mSDsCounter, 0 mSdLazyCounter, 925 mSolverCounterSat, 1 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2409 SdHoareTripleChecker+Valid, 6371 SdHoareTripleChecker+Invalid, 930 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 925 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.5s IncrementalHoareTripleChecker+Time [2023-04-03 07:29:44,860 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2409 Valid, 6371 Invalid, 930 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 925 Invalid, 4 Unknown, 0 Unchecked, 9.5s Time] [2023-04-03 07:29:44,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56645 states. [2023-04-03 07:29:48,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56645 to 56645. [2023-04-03 07:29:48,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56645 states, 30969 states have (on average 1.1861861861861862) internal successors, (36735), 32112 states have internal predecessors, (36735), 16731 states have call successors, (16731), 9141 states have call predecessors, (16731), 8942 states have return successors, (17493), 15868 states have call predecessors, (17493), 16726 states have call successors, (17493) [2023-04-03 07:29:48,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56645 states to 56645 states and 70959 transitions. [2023-04-03 07:29:48,919 INFO L78 Accepts]: Start accepts. Automaton has 56645 states and 70959 transitions. Word has length 268 [2023-04-03 07:29:48,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:29:48,920 INFO L495 AbstractCegarLoop]: Abstraction has 56645 states and 70959 transitions. [2023-04-03 07:29:48,921 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (51), 3 states have call predecessors, (51), 2 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) [2023-04-03 07:29:48,921 INFO L276 IsEmpty]: Start isEmpty. Operand 56645 states and 70959 transitions. [2023-04-03 07:29:48,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2023-04-03 07:29:48,943 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:29:48,943 INFO L195 NwaCegarLoop]: trace histogram [15, 9, 9, 9, 9, 9, 9, 4, 4, 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] [2023-04-03 07:29:48,943 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-04-03 07:29:48,944 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 07:29:48,944 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:29:48,944 INFO L85 PathProgramCache]: Analyzing trace with hash -1941575754, now seen corresponding path program 1 times [2023-04-03 07:29:48,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:29:48,944 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [972442122] [2023-04-03 07:29:48,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:29:48,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:29:49,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:29:49,283 INFO L134 CoverageAnalysis]: Checked inductivity of 461 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 444 trivial. 0 not checked. [2023-04-03 07:29:49,283 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:29:49,283 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [972442122] [2023-04-03 07:29:49,283 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [972442122] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:29:49,283 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:29:49,283 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 07:29:49,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2119411471] [2023-04-03 07:29:49,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:29:49,284 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 07:29:49,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:29:49,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 07:29:49,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 07:29:49,285 INFO L87 Difference]: Start difference. First operand 56645 states and 70959 transitions. Second operand has 5 states, 5 states have (on average 19.0) internal successors, (95), 5 states have internal predecessors, (95), 4 states have call successors, (46), 3 states have call predecessors, (46), 3 states have return successors, (38), 4 states have call predecessors, (38), 4 states have call successors, (38) [2023-04-03 07:29:54,751 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 []