/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-icplus-ipg.cil.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-03 07:25:56,652 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-03 07:25:56,654 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-03 07:25:56,688 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-03 07:25:56,689 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-03 07:25:56,691 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-03 07:25:56,694 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-03 07:25:56,696 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-03 07:25:56,697 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-03 07:25:56,702 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-03 07:25:56,703 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-03 07:25:56,704 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-03 07:25:56,705 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-03 07:25:56,707 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-03 07:25:56,707 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-03 07:25:56,708 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-03 07:25:56,709 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-03 07:25:56,709 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-03 07:25:56,711 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-03 07:25:56,715 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-03 07:25:56,716 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-03 07:25:56,717 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-03 07:25:56,717 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-03 07:25:56,718 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-03 07:25:56,720 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-03 07:25:56,720 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-03 07:25:56,720 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-03 07:25:56,722 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-03 07:25:56,722 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-03 07:25:56,722 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-03 07:25:56,723 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-03 07:25:56,723 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-03 07:25:56,724 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-03 07:25:56,724 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-03 07:25:56,725 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-03 07:25:56,725 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-03 07:25:56,725 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-03 07:25:56,726 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-03 07:25:56,726 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-03 07:25:56,726 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-03 07:25:56,727 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-03 07:25:56,728 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 07:25:56,752 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-03 07:25:56,752 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-03 07:25:56,753 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-03 07:25:56,753 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-03 07:25:56,753 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-03 07:25:56,754 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-03 07:25:56,754 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-03 07:25:56,754 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-03 07:25:56,754 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-03 07:25:56,754 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-03 07:25:56,754 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-03 07:25:56,755 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-03 07:25:56,755 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-03 07:25:56,755 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-03 07:25:56,755 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-03 07:25:56,755 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-03 07:25:56,755 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-03 07:25:56,755 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-03 07:25:56,756 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-03 07:25:56,756 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-03 07:25:56,756 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-03 07:25:56,756 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-03 07:25:56,756 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-03 07:25:56,756 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-03 07:25:56,756 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-03 07:25:56,756 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-03 07:25:56,756 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-03 07:25:56,757 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-03 07:25:56,757 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-03 07:25:56,757 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-03 07:25:56,757 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-03 07:25:56,757 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-03 07:25:56,757 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 07:25:56,757 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-03 07:25:56,757 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-03 07:25:56,757 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-03 07:25:56,758 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-03 07:25:56,758 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-03 07:25:56,758 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-03 07:25:56,758 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-03 07:25:56,758 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-03 07:25:56,758 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-03 07:25:56,955 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-03 07:25:56,970 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-03 07:25:56,972 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-03 07:25:56,973 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-03 07:25:56,974 INFO L275 PluginConnector]: CDTParser initialized [2023-04-03 07:25:56,974 INFO L432 ainManager$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-icplus-ipg.cil.i [2023-04-03 07:25:57,927 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-03 07:25:58,359 INFO L351 CDTParser]: Found 1 translation units. [2023-04-03 07:25:58,359 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-icplus-ipg.cil.i [2023-04-03 07:25:58,395 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a277aea79/30b38ccf8aea4ccea712453aba3dd1cc/FLAG8557448e2 [2023-04-03 07:25:58,409 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a277aea79/30b38ccf8aea4ccea712453aba3dd1cc [2023-04-03 07:25:58,411 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-03 07:25:58,412 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-03 07:25:58,413 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-03 07:25:58,413 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-03 07:25:58,415 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-03 07:25:58,416 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 07:25:58" (1/1) ... [2023-04-03 07:25:58,417 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bb9c1c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 07:25:58, skipping insertion in model container [2023-04-03 07:25:58,417 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 07:25:58" (1/1) ... [2023-04-03 07:25:58,421 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-03 07:25:58,527 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-03 07:26:00,254 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-icplus-ipg.cil.i[315136,315149] [2023-04-03 07:26:00,257 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-icplus-ipg.cil.i[315305,315318] [2023-04-03 07:26:00,258 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-icplus-ipg.cil.i[315472,315485] [2023-04-03 07:26:00,258 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-icplus-ipg.cil.i[315640,315653] [2023-04-03 07:26:00,280 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 07:26:00,310 INFO L203 MainTranslator]: Completed pre-run [2023-04-03 07:26:00,562 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-icplus-ipg.cil.i[315136,315149] [2023-04-03 07:26:00,562 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-icplus-ipg.cil.i[315305,315318] [2023-04-03 07:26:00,562 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-icplus-ipg.cil.i[315472,315485] [2023-04-03 07:26:00,563 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-icplus-ipg.cil.i[315640,315653] [2023-04-03 07:26:00,570 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 07:26:00,700 INFO L208 MainTranslator]: Completed translation [2023-04-03 07:26:00,701 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 07:26:00 WrapperNode [2023-04-03 07:26:00,701 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-03 07:26:00,702 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-03 07:26:00,702 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-03 07:26:00,702 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-03 07:26:00,709 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 07:26:00" (1/1) ... [2023-04-03 07:26:00,709 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 07:26:00" (1/1) ... [2023-04-03 07:26:00,784 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 07:26:00" (1/1) ... [2023-04-03 07:26:00,785 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 07:26:00" (1/1) ... [2023-04-03 07:26:00,871 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 07:26:00" (1/1) ... [2023-04-03 07:26:00,890 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 07:26:00" (1/1) ... [2023-04-03 07:26:00,913 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 07:26:00" (1/1) ... [2023-04-03 07:26:00,931 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 07:26:00" (1/1) ... [2023-04-03 07:26:00,956 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-03 07:26:00,957 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-03 07:26:00,957 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-03 07:26:00,957 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-03 07:26:00,958 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 07:26:00" (1/1) ... [2023-04-03 07:26:00,964 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 07:26:00,971 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 07:26:00,981 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 07:26:00,988 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 07:26:01,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-03 07:26:01,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-03 07:26:01,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2023-04-03 07:26:01,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2023-04-03 07:26:01,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~gfp_t~0~X~$Pointer$~TO~$Pointer$ [2023-04-03 07:26:01,009 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 07:26:01,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2023-04-03 07:26:01,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-04-03 07:26:01,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-04-03 07:26:01,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-04-03 07:26:01,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2023-04-03 07:26:01,009 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-04-03 07:26:01,009 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-04-03 07:26:01,009 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-04-03 07:26:01,009 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2023-04-03 07:26:01,009 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-04-03 07:26:01,009 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2023-04-03 07:26:01,010 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2023-04-03 07:26:01,010 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-04-03 07:26:01,010 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-04-03 07:26:01,010 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2023-04-03 07:26:01,010 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-04-03 07:26:01,010 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2023-04-03 07:26:01,010 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-04-03 07:26:01,010 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2023-04-03 07:26:01,010 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2023-04-03 07:26:01,010 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2023-04-03 07:26:01,010 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2023-04-03 07:26:01,010 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2023-04-03 07:26:01,011 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-04-03 07:26:01,011 INFO L138 BoogieDeclarations]: Found implementation of procedure is_device_dma_capable [2023-04-03 07:26:01,011 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-04-03 07:26:01,011 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2023-04-03 07:26:01,011 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2023-04-03 07:26:01,012 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_coherent_mask [2023-04-03 07:26:01,012 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_coherent_gfp_flags [2023-04-03 07:26:01,012 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2023-04-03 07:26:01,012 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2023-04-03 07:26:01,012 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb_ip_align [2023-04-03 07:26:01,013 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb_ip_align [2023-04-03 07:26:01,013 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_checksum_none_assert [2023-04-03 07:26:01,013 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-04-03 07:26:01,013 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-04-03 07:26:01,013 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2023-04-03 07:26:01,013 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2023-04-03 07:26:01,013 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2023-04-03 07:26:01,013 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-04-03 07:26:01,013 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2023-04-03 07:26:01,014 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-04-03 07:26:01,014 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_queue_stopped [2023-04-03 07:26:01,014 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2023-04-03 07:26:01,014 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2023-04-03 07:26:01,014 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2023-04-03 07:26:01,014 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2023-04-03 07:26:01,014 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2023-04-03 07:26:01,014 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2023-04-03 07:26:01,014 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2023-04-03 07:26:01,014 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-04-03 07:26:01,014 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2023-04-03 07:26:01,014 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2023-04-03 07:26:01,014 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2023-04-03 07:26:01,015 INFO L138 BoogieDeclarations]: Found implementation of procedure if_mii [2023-04-03 07:26:01,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_ioaddr [2023-04-03 07:26:01,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_write_phy_ctl [2023-04-03 07:26:01,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_drive_phy_ctl_low_high [2023-04-03 07:26:01,015 INFO L138 BoogieDeclarations]: Found implementation of procedure send_three_state [2023-04-03 07:26:01,015 INFO L138 BoogieDeclarations]: Found implementation of procedure send_end [2023-04-03 07:26:01,015 INFO L138 BoogieDeclarations]: Found implementation of procedure read_phy_bit [2023-04-03 07:26:01,015 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2023-04-03 07:26:01,015 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_write [2023-04-03 07:26:01,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_set_led_mode [2023-04-03 07:26:01,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_set_phy_set [2023-04-03 07:26:01,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_reset [2023-04-03 07:26:01,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_find_phyaddr [2023-04-03 07:26:01,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_config_autoneg [2023-04-03 07:26:01,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_set_multicast_list [2023-04-03 07:26:01,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_io_config [2023-04-03 07:26:01,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_get_rxbuff [2023-04-03 07:26:01,016 INFO L138 BoogieDeclarations]: Found implementation of procedure init_rfdlist [2023-04-03 07:26:01,016 INFO L138 BoogieDeclarations]: Found implementation of procedure init_tfdlist [2023-04-03 07:26:01,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_txfree [2023-04-03 07:26:01,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_tx_timeout [2023-04-03 07:26:01,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_txcleanup [2023-04-03 07:26:01,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_get_stats [2023-04-03 07:26:01,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_rxrestore [2023-04-03 07:26:01,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_rx_free_skb [2023-04-03 07:26:01,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_rx_check_frame_type [2023-04-03 07:26:01,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_rx_check_error [2023-04-03 07:26:01,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_rx_with_start_and_end [2023-04-03 07:26:01,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_rx_with_start [2023-04-03 07:26:01,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_rx_with_end [2023-04-03 07:26:01,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_rx_no_start_no_end [2023-04-03 07:26:01,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_rx_jumbo [2023-04-03 07:26:01,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_rx [2023-04-03 07:26:01,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_reset_after_host_error [2023-04-03 07:26:01,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_interrupt_handler [2023-04-03 07:26:01,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_rx_clear [2023-04-03 07:26:01,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_tx_clear [2023-04-03 07:26:01,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_open [2023-04-03 07:26:01,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_stop [2023-04-03 07:26:01,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_hard_start_xmit [2023-04-03 07:26:01,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_set_phy_default_param [2023-04-03 07:26:01,018 INFO L138 BoogieDeclarations]: Found implementation of procedure read_eeprom [2023-04-03 07:26:01,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_init_mii [2023-04-03 07:26:01,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_hw_init [2023-04-03 07:26:01,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_ioctl [2023-04-03 07:26:01,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_change_mtu [2023-04-03 07:26:01,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_get_settings [2023-04-03 07:26:01,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_set_settings [2023-04-03 07:26:01,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nway_reset [2023-04-03 07:26:01,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_remove [2023-04-03 07:26:01,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_probe [2023-04-03 07:26:01,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_pci_driver_init [2023-04-03 07:26:01,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_pci_driver_exit [2023-04-03 07:26:01,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_ipg_pci_driver_exit_13_2 [2023-04-03 07:26:01,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_init_ipg_pci_driver_init_13_9 [2023-04-03 07:26:01,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___pci_register_driver [2023-04-03 07:26:01,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_etherdev_mqs [2023-04-03 07:26:01,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_allocate_external_0 [2023-04-03 07:26:01,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_deregister_10_1 [2023-04-03 07:26:01,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_deregister_11_1 [2023-04-03 07:26:01,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_deregister_dummy_factory_13_13_4 [2023-04-03 07:26:01,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_instance_deregister_4_2 [2023-04-03 07:26:01,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_instance_register_4_3 [2023-04-03 07:26:01,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_irq_deregister_6_1 [2023-04-03 07:26:01,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_irq_register_9_2 [2023-04-03 07:26:01,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_12_2 [2023-04-03 07:26:01,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_8_4 [2023-04-03 07:26:01,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_dummy_factory_13_13_5 [2023-04-03 07:26:01,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_10 [2023-04-03 07:26:01,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_13 [2023-04-03 07:26:01,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_14 [2023-04-03 07:26:01,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_15 [2023-04-03 07:26:01,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_16 [2023-04-03 07:26:01,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_17 [2023-04-03 07:26:01,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_18 [2023-04-03 07:26:01,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_19 [2023-04-03 07:26:01,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_20 [2023-04-03 07:26:01,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_3 [2023-04-03 07:26:01,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_7 [2023-04-03 07:26:01,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_entry_EMGentry_13 [2023-04-03 07:26:01,028 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-03 07:26:01,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2023-04-03 07:26:01,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-04-03 07:26:01,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_external_data [2023-04-03 07:26:01,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_instance_handler_0_5 [2023-04-03 07:26:01,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_instance_thread_0_3 [2023-04-03 07:26:01,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_0 [2023-04-03 07:26:01,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_net_dummy_resourceless_instance_1 [2023-04-03 07:26:01,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_instance_probe_2_17 [2023-04-03 07:26:01,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_instance_release_2_2 [2023-04-03 07:26:01,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_instance_resume_2_5 [2023-04-03 07:26:01,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_instance_resume_early_2_6 [2023-04-03 07:26:01,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_instance_shutdown_2_3 [2023-04-03 07:26:01,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_instance_suspend_2_8 [2023-04-03 07:26:01,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_instance_suspend_late_2_7 [2023-04-03 07:26:01,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_pci_instance_2 [2023-04-03 07:26:01,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_unregister_driver [2023-04-03 07:26:01,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev [2023-04-03 07:26:01,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_open_8_6 [2023-04-03 07:26:01,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2023-04-03 07:26:01,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-04-03 07:26:01,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-04-03 07:26:01,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_1 [2023-04-03 07:26:01,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_6 [2023-04-03 07:26:01,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_1 [2023-04-03 07:26:01,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_5 [2023-04-03 07:26:01,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_2_11 [2023-04-03 07:26:01,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_2_20 [2023-04-03 07:26:01,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_3_1 [2023-04-03 07:26:01,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_3_3 [2023-04-03 07:26:01,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_4_1 [2023-04-03 07:26:01,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_4_4 [2023-04-03 07:26:01,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_dummy_factory_4 [2023-04-03 07:26:01,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_instance_callback_3_2 [2023-04-03 07:26:01,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_timer_instance_3 [2023-04-03 07:26:01,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2023-04-03 07:26:01,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_stop_10_2 [2023-04-03 07:26:01,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata_58 [2023-04-03 07:26:01,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata_59 [2023-04-03 07:26:01,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_60 [2023-04-03 07:26:01,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_61 [2023-04-03 07:26:01,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_62 [2023-04-03 07:26:01,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_63 [2023-04-03 07:26:01,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_64 [2023-04-03 07:26:01,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_65 [2023-04-03 07:26:01,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_66 [2023-04-03 07:26:01,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_67 [2023-04-03 07:26:01,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_68 [2023-04-03 07:26:01,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_69 [2023-04-03 07:26:01,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_70 [2023-04-03 07:26:01,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_etherdev_mqs_71 [2023-04-03 07:26:01,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_72 [2023-04-03 07:26:01,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_73 [2023-04-03 07:26:01,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___pci_register_driver_74 [2023-04-03 07:26:01,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_unregister_driver_75 [2023-04-03 07:26:01,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2023-04-03 07:26:01,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-04-03 07:26:01,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spi_alloc_master [2023-04-03 07:26:01,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-04-03 07:26:01,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2023-04-03 07:26:01,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2023-04-03 07:26:01,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2023-04-03 07:26:01,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-04-03 07:26:01,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_init [2023-04-03 07:26:01,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2023-04-03 07:26:01,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-04-03 07:26:01,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kzalloc [2023-04-03 07:26:01,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-04-03 07:26:01,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-04-03 07:26:01,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-04-03 07:26:01,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2023-04-03 07:26:01,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-04-03 07:26:01,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc [2023-04-03 07:26:01,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-04-03 07:26:01,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-04-03 07:26:01,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-04-03 07:26:01,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xzalloc [2023-04-03 07:26:01,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-04-03 07:26:01,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2023-04-03 07:26:01,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_negative [2023-04-03 07:26:01,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_nonpositive [2023-04-03 07:26:01,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_create [2023-04-03 07:26:01,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_create_N [2023-04-03 07:26:01,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_join [2023-04-03 07:26:01,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_join_N [2023-04-03 07:26:01,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock__xmit_lock_of_netdev_queue [2023-04-03 07:26:01,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock__xmit_lock_of_netdev_queue [2023-04-03 07:26:01,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock__xmit_lock_of_netdev_queue [2023-04-03 07:26:01,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait__xmit_lock_of_netdev_queue [2023-04-03 07:26:01,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked__xmit_lock_of_netdev_queue [2023-04-03 07:26:01,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock__xmit_lock_of_netdev_queue [2023-04-03 07:26:01,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended__xmit_lock_of_netdev_queue [2023-04-03 07:26:01,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock__xmit_lock_of_netdev_queue [2023-04-03 07:26:01,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_addr_list_lock_of_net_device [2023-04-03 07:26:01,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_addr_list_lock_of_net_device [2023-04-03 07:26:01,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_addr_list_lock_of_net_device [2023-04-03 07:26:01,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_addr_list_lock_of_net_device [2023-04-03 07:26:01,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_addr_list_lock_of_net_device [2023-04-03 07:26:01,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_addr_list_lock_of_net_device [2023-04-03 07:26:01,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_addr_list_lock_of_net_device [2023-04-03 07:26:01,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_addr_list_lock_of_net_device [2023-04-03 07:26:01,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_alloc_lock_of_task_struct [2023-04-03 07:26:01,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_alloc_lock_of_task_struct [2023-04-03 07:26:01,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_alloc_lock_of_task_struct [2023-04-03 07:26:01,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_alloc_lock_of_task_struct [2023-04-03 07:26:01,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_alloc_lock_of_task_struct [2023-04-03 07:26:01,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_alloc_lock_of_task_struct [2023-04-03 07:26:01,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_alloc_lock_of_task_struct [2023-04-03 07:26:01,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_alloc_lock_of_task_struct [2023-04-03 07:26:01,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_i_lock_of_inode [2023-04-03 07:26:01,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_i_lock_of_inode [2023-04-03 07:26:01,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_i_lock_of_inode [2023-04-03 07:26:01,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_i_lock_of_inode [2023-04-03 07:26:01,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_i_lock_of_inode [2023-04-03 07:26:01,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_i_lock_of_inode [2023-04-03 07:26:01,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_i_lock_of_inode [2023-04-03 07:26:01,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_i_lock_of_inode [2023-04-03 07:26:01,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock [2023-04-03 07:26:01,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock [2023-04-03 07:26:01,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_lock [2023-04-03 07:26:01,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_lock [2023-04-03 07:26:01,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_lock [2023-04-03 07:26:01,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_lock [2023-04-03 07:26:01,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_lock [2023-04-03 07:26:01,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_lock [2023-04-03 07:26:01,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_NOT_ARG_SIGN [2023-04-03 07:26:01,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_NOT_ARG_SIGN [2023-04-03 07:26:01,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_lock_of_NOT_ARG_SIGN [2023-04-03 07:26:01,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_lock_of_NOT_ARG_SIGN [2023-04-03 07:26:01,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_lock_of_NOT_ARG_SIGN [2023-04-03 07:26:01,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_lock_of_NOT_ARG_SIGN [2023-04-03 07:26:01,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_lock_of_NOT_ARG_SIGN [2023-04-03 07:26:01,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_lock_of_NOT_ARG_SIGN [2023-04-03 07:26:01,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_ipg_nic_private [2023-04-03 07:26:01,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_ipg_nic_private [2023-04-03 07:26:01,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_lock_of_ipg_nic_private [2023-04-03 07:26:01,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_lock_of_ipg_nic_private [2023-04-03 07:26:01,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_lock_of_ipg_nic_private [2023-04-03 07:26:01,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_lock_of_ipg_nic_private [2023-04-03 07:26:01,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_lock_of_ipg_nic_private [2023-04-03 07:26:01,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_lock_of_ipg_nic_private [2023-04-03 07:26:01,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lru_lock_of_netns_frags [2023-04-03 07:26:01,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lru_lock_of_netns_frags [2023-04-03 07:26:01,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_lru_lock_of_netns_frags [2023-04-03 07:26:01,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_lru_lock_of_netns_frags [2023-04-03 07:26:01,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_lru_lock_of_netns_frags [2023-04-03 07:26:01,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_lru_lock_of_netns_frags [2023-04-03 07:26:01,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_lru_lock_of_netns_frags [2023-04-03 07:26:01,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_lru_lock_of_netns_frags [2023-04-03 07:26:01,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_node_size_lock_of_pglist_data [2023-04-03 07:26:01,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_node_size_lock_of_pglist_data [2023-04-03 07:26:01,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_node_size_lock_of_pglist_data [2023-04-03 07:26:01,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_node_size_lock_of_pglist_data [2023-04-03 07:26:01,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_node_size_lock_of_pglist_data [2023-04-03 07:26:01,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_node_size_lock_of_pglist_data [2023-04-03 07:26:01,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_node_size_lock_of_pglist_data [2023-04-03 07:26:01,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_node_size_lock_of_pglist_data [2023-04-03 07:26:01,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_ptl [2023-04-03 07:26:01,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_ptl [2023-04-03 07:26:01,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_ptl [2023-04-03 07:26:01,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_ptl [2023-04-03 07:26:01,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_ptl [2023-04-03 07:26:01,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_ptl [2023-04-03 07:26:01,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_ptl [2023-04-03 07:26:01,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_ptl [2023-04-03 07:26:01,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_siglock_of_sighand_struct [2023-04-03 07:26:01,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_siglock_of_sighand_struct [2023-04-03 07:26:01,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_siglock_of_sighand_struct [2023-04-03 07:26:01,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_siglock_of_sighand_struct [2023-04-03 07:26:01,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_siglock_of_sighand_struct [2023-04-03 07:26:01,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_siglock_of_sighand_struct [2023-04-03 07:26:01,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_siglock_of_sighand_struct [2023-04-03 07:26:01,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_siglock_of_sighand_struct [2023-04-03 07:26:01,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_tx_global_lock_of_net_device [2023-04-03 07:26:01,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_tx_global_lock_of_net_device [2023-04-03 07:26:01,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_tx_global_lock_of_net_device [2023-04-03 07:26:01,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_tx_global_lock_of_net_device [2023-04-03 07:26:01,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_tx_global_lock_of_net_device [2023-04-03 07:26:01,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_tx_global_lock_of_net_device [2023-04-03 07:26:01,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_tx_global_lock_of_net_device [2023-04-03 07:26:01,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_tx_global_lock_of_net_device [2023-04-03 07:26:01,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-04-03 07:26:01,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2023-04-03 07:26:01,043 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-03 07:26:01,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-04-03 07:26:01,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2023-04-03 07:26:01,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-04-03 07:26:01,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-04-03 07:26:01,044 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-04-03 07:26:01,044 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_irq [2023-04-03 07:26:01,044 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2023-04-03 07:26:01,044 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2023-04-03 07:26:01,044 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2023-04-03 07:26:01,044 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2023-04-03 07:26:01,044 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2023-04-03 07:26:01,044 INFO L138 BoogieDeclarations]: Found implementation of procedure __pci_register_driver [2023-04-03 07:26:01,044 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-04-03 07:26:01,044 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-04-03 07:26:01,044 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2023-04-03 07:26:01,044 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irq [2023-04-03 07:26:01,044 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2023-04-03 07:26:01,044 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irq [2023-04-03 07:26:01,044 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2023-04-03 07:26:01,044 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_etherdev_mqs [2023-04-03 07:26:01,044 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2023-04-03 07:26:01,044 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_alloc_coherent [2023-04-03 07:26:01,044 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_free_coherent [2023-04-03 07:26:01,045 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2023-04-03 07:26:01,045 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2023-04-03 07:26:01,045 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask [2023-04-03 07:26:01,045 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2023-04-03 07:26:01,045 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2023-04-03 07:26:01,045 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-04-03 07:26:01,045 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-04-03 07:26:01,045 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-04-03 07:26:01,045 INFO L138 BoogieDeclarations]: Found implementation of procedure generic_mii_ioctl [2023-04-03 07:26:01,045 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2023-04-03 07:26:01,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2023-04-03 07:26:01,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2023-04-03 07:26:01,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2023-04-03 07:26:01,045 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2023-04-03 07:26:01,045 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2023-04-03 07:26:01,045 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite8 [2023-04-03 07:26:01,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2023-04-03 07:26:01,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2023-04-03 07:26:01,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-04-03 07:26:01,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2023-04-03 07:26:01,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2023-04-03 07:26:01,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_register_netdev [2023-04-03 07:26:01,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-04-03 07:26:01,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-04-03 07:26:01,046 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2023-04-03 07:26:01,046 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ethtool_gset [2023-04-03 07:26:01,046 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ethtool_sset [2023-04-03 07:26:01,046 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_nway_restart [2023-04-03 07:26:01,046 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-04-03 07:26:01,046 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-04-03 07:26:01,046 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2023-04-03 07:26:01,046 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2023-04-03 07:26:01,046 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2023-04-03 07:26:01,046 INFO L138 BoogieDeclarations]: Found implementation of procedure netpoll_trap [2023-04-03 07:26:01,046 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-04-03 07:26:01,046 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2023-04-03 07:26:01,046 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2023-04-03 07:26:01,046 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2023-04-03 07:26:01,046 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-04-03 07:26:01,046 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_request_regions [2023-04-03 07:26:01,046 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2023-04-03 07:26:01,046 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2023-04-03 07:26:01,046 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-04-03 07:26:01,046 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2023-04-03 07:26:01,046 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2023-04-03 07:26:01,047 INFO L138 BoogieDeclarations]: Found implementation of procedure request_threaded_irq [2023-04-03 07:26:01,047 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2023-04-03 07:26:01,047 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_irq [2023-04-03 07:26:01,047 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2023-04-03 07:26:01,047 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-04-03 07:26:01,047 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-04-03 07:26:01,047 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-04-03 07:26:01,047 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-04-03 07:26:01,047 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-04-03 07:26:01,047 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2023-04-03 07:26:01,047 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-04-03 07:26:01,047 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-04-03 07:26:01,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-03 07:26:01,047 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-04-03 07:26:01,047 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-04-03 07:26:01,047 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2023-04-03 07:26:01,047 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-04-03 07:26:01,047 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-03 07:26:01,047 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-04-03 07:26:01,047 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-04-03 07:26:01,048 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2023-04-03 07:26:01,048 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-04-03 07:26:01,048 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2023-04-03 07:26:01,048 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-03 07:26:01,048 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2023-04-03 07:26:01,048 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2023-04-03 07:26:01,048 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2023-04-03 07:26:01,048 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_67 [2023-04-03 07:26:01,048 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_ipg_nic_private [2023-04-03 07:26:01,048 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_ipg_nic_private [2023-04-03 07:26:01,048 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2023-04-03 07:26:01,048 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_init [2023-04-03 07:26:01,048 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2023-04-03 07:26:01,048 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2023-04-03 07:26:01,048 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-04-03 07:26:01,048 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_register_netdev [2023-04-03 07:26:01,048 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-04-03 07:26:01,048 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-04-03 07:26:01,048 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-04-03 07:26:01,048 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-04-03 07:26:01,048 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-04-03 07:26:01,048 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-04-03 07:26:01,048 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-04-03 07:26:01,049 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-04-03 07:26:01,049 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2023-04-03 07:26:01,049 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-04-03 07:26:01,049 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-04-03 07:26:01,049 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-04-03 07:26:01,049 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2023-04-03 07:26:01,049 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irq [2023-04-03 07:26:01,049 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2023-04-03 07:26:01,049 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irq [2023-04-03 07:26:01,049 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2023-04-03 07:26:01,049 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-04-03 07:26:01,049 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-04-03 07:26:01,049 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_62 [2023-04-03 07:26:01,049 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2023-04-03 07:26:01,049 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_60 [2023-04-03 07:26:01,049 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-04-03 07:26:01,049 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_63 [2023-04-03 07:26:01,049 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2023-04-03 07:26:01,049 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_61 [2023-04-03 07:26:01,049 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-04-03 07:26:01,049 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_68 [2023-04-03 07:26:01,049 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2023-04-03 07:26:01,050 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2023-04-03 07:26:01,050 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2023-04-03 07:26:01,050 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2023-04-03 07:26:01,050 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2023-04-03 07:26:01,050 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2023-04-03 07:26:01,050 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2023-04-03 07:26:01,050 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2023-04-03 07:26:01,050 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2023-04-03 07:26:01,050 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2023-04-03 07:26:01,050 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8 [2023-04-03 07:26:01,050 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2023-04-03 07:26:01,050 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2023-04-03 07:26:01,050 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2023-04-03 07:26:01,050 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2023-04-03 07:26:01,050 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2023-04-03 07:26:01,051 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata_58 [2023-04-03 07:26:01,051 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata_59 [2023-04-03 07:26:01,051 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-04-03 07:26:01,051 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2023-04-03 07:26:01,051 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-04-03 07:26:01,051 INFO L130 BoogieDeclarations]: Found specification of procedure is_device_dma_capable [2023-04-03 07:26:01,051 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2023-04-03 07:26:01,051 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2023-04-03 07:26:01,051 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_alloc_coherent [2023-04-03 07:26:01,051 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_free_coherent [2023-04-03 07:26:01,051 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-04-03 07:26:01,051 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2023-04-03 07:26:01,051 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 07:26:01,051 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2023-04-03 07:26:01,051 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 07:26:01,051 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask [2023-04-03 07:26:01,051 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_coherent_mask [2023-04-03 07:26:01,051 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_coherent_gfp_flags [2023-04-03 07:26:01,051 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2023-04-03 07:26:01,051 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~gfp_t~0~X~$Pointer$~TO~$Pointer$ [2023-04-03 07:26:01,051 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2023-04-03 07:26:01,051 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-03 07:26:01,051 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 07:26:01,052 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2023-04-03 07:26:01,052 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2023-04-03 07:26:01,052 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb_ip_align [2023-04-03 07:26:01,052 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb_ip_align [2023-04-03 07:26:01,052 INFO L130 BoogieDeclarations]: Found specification of procedure skb_checksum_none_assert [2023-04-03 07:26:01,052 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_irq [2023-04-03 07:26:01,052 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-04-03 07:26:01,052 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-04-03 07:26:01,054 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-04-03 07:26:01,054 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_70 [2023-04-03 07:26:01,054 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_73 [2023-04-03 07:26:01,054 INFO L130 BoogieDeclarations]: Found specification of procedure netpoll_trap [2023-04-03 07:26:01,054 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2023-04-03 07:26:01,054 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2023-04-03 07:26:01,054 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2023-04-03 07:26:01,054 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2023-04-03 07:26:01,055 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-04-03 07:26:01,055 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2023-04-03 07:26:01,055 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-04-03 07:26:01,055 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_queue_stopped [2023-04-03 07:26:01,055 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2023-04-03 07:26:01,055 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2023-04-03 07:26:01,055 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_irq [2023-04-03 07:26:01,055 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2023-04-03 07:26:01,055 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2023-04-03 07:26:01,055 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2023-04-03 07:26:01,055 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_72 [2023-04-03 07:26:01,055 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2023-04-03 07:26:01,055 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_69 [2023-04-03 07:26:01,055 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2023-04-03 07:26:01,055 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2023-04-03 07:26:01,055 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2023-04-03 07:26:01,055 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-04-03 07:26:01,055 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2023-04-03 07:26:01,055 INFO L130 BoogieDeclarations]: Found specification of procedure pci_request_regions [2023-04-03 07:26:01,055 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-04-03 07:26:01,055 INFO L130 BoogieDeclarations]: Found specification of procedure __pci_register_driver [2023-04-03 07:26:01,056 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___pci_register_driver_74 [2023-04-03 07:26:01,056 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2023-04-03 07:26:01,056 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_unregister_driver_75 [2023-04-03 07:26:01,056 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2023-04-03 07:26:01,056 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2023-04-03 07:26:01,056 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2023-04-03 07:26:01,056 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2023-04-03 07:26:01,056 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-04-03 07:26:01,056 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2023-04-03 07:26:01,056 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2023-04-03 07:26:01,056 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2023-04-03 07:26:01,056 INFO L130 BoogieDeclarations]: Found specification of procedure request_threaded_irq [2023-04-03 07:26:01,056 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2023-04-03 07:26:01,056 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_64 [2023-04-03 07:26:01,056 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-04-03 07:26:01,056 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_65 [2023-04-03 07:26:01,056 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_66 [2023-04-03 07:26:01,056 INFO L130 BoogieDeclarations]: Found specification of procedure mii_nway_restart [2023-04-03 07:26:01,056 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ethtool_gset [2023-04-03 07:26:01,056 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ethtool_sset [2023-04-03 07:26:01,056 INFO L130 BoogieDeclarations]: Found specification of procedure generic_mii_ioctl [2023-04-03 07:26:01,056 INFO L130 BoogieDeclarations]: Found specification of procedure if_mii [2023-04-03 07:26:01,057 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2023-04-03 07:26:01,057 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2023-04-03 07:26:01,057 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-04-03 07:26:01,057 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_etherdev_mqs [2023-04-03 07:26:01,057 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_etherdev_mqs_71 [2023-04-03 07:26:01,057 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_ioaddr [2023-04-03 07:26:01,057 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_write_phy_ctl [2023-04-03 07:26:01,057 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_drive_phy_ctl_low_high [2023-04-03 07:26:01,057 INFO L130 BoogieDeclarations]: Found specification of procedure send_three_state [2023-04-03 07:26:01,057 INFO L130 BoogieDeclarations]: Found specification of procedure send_end [2023-04-03 07:26:01,057 INFO L130 BoogieDeclarations]: Found specification of procedure read_phy_bit [2023-04-03 07:26:01,057 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2023-04-03 07:26:01,057 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-04-03 07:26:01,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-03 07:26:01,057 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-03 07:26:01,057 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_write [2023-04-03 07:26:01,057 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_set_led_mode [2023-04-03 07:26:01,057 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_set_phy_set [2023-04-03 07:26:01,057 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_reset [2023-04-03 07:26:01,057 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_find_phyaddr [2023-04-03 07:26:01,057 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_config_autoneg [2023-04-03 07:26:01,057 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_set_multicast_list [2023-04-03 07:26:01,058 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_io_config [2023-04-03 07:26:01,058 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_get_rxbuff [2023-04-03 07:26:01,058 INFO L130 BoogieDeclarations]: Found specification of procedure init_rfdlist [2023-04-03 07:26:01,058 INFO L130 BoogieDeclarations]: Found specification of procedure init_tfdlist [2023-04-03 07:26:01,058 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_txfree [2023-04-03 07:26:01,058 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_tx_timeout [2023-04-03 07:26:01,058 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_txcleanup [2023-04-03 07:26:01,058 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_get_stats [2023-04-03 07:26:01,058 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_rxrestore [2023-04-03 07:26:01,058 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_rx_free_skb [2023-04-03 07:26:01,058 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_rx_check_frame_type [2023-04-03 07:26:01,058 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_rx_check_error [2023-04-03 07:26:01,058 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_rx_with_start_and_end [2023-04-03 07:26:01,058 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_rx_with_start [2023-04-03 07:26:01,058 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_rx_with_end [2023-04-03 07:26:01,058 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-04-03 07:26:01,058 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_rx_no_start_no_end [2023-04-03 07:26:01,058 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_rx_jumbo [2023-04-03 07:26:01,058 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_rx [2023-04-03 07:26:01,058 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_reset_after_host_error [2023-04-03 07:26:01,058 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_interrupt_handler [2023-04-03 07:26:01,058 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_rx_clear [2023-04-03 07:26:01,059 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_tx_clear [2023-04-03 07:26:01,059 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_open [2023-04-03 07:26:01,059 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_stop [2023-04-03 07:26:01,059 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_hard_start_xmit [2023-04-03 07:26:01,059 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_set_phy_default_param [2023-04-03 07:26:01,059 INFO L130 BoogieDeclarations]: Found specification of procedure read_eeprom [2023-04-03 07:26:01,059 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_init_mii [2023-04-03 07:26:01,059 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_hw_init [2023-04-03 07:26:01,059 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_ioctl [2023-04-03 07:26:01,059 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_change_mtu [2023-04-03 07:26:01,059 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_get_settings [2023-04-03 07:26:01,059 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_set_settings [2023-04-03 07:26:01,059 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nway_reset [2023-04-03 07:26:01,059 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_remove [2023-04-03 07:26:01,059 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_probe [2023-04-03 07:26:01,059 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_pci_driver_init [2023-04-03 07:26:01,059 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_pci_driver_exit [2023-04-03 07:26:01,059 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_ipg_pci_driver_exit_13_2 [2023-04-03 07:26:01,059 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_init_ipg_pci_driver_init_13_9 [2023-04-03 07:26:01,059 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___pci_register_driver [2023-04-03 07:26:01,059 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_etherdev_mqs [2023-04-03 07:26:01,059 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_allocate_external_0 [2023-04-03 07:26:01,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_deregister_10_1 [2023-04-03 07:26:01,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_deregister_11_1 [2023-04-03 07:26:01,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_deregister_dummy_factory_13_13_4 [2023-04-03 07:26:01,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_instance_deregister_4_2 [2023-04-03 07:26:01,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_instance_register_4_3 [2023-04-03 07:26:01,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_irq_deregister_6_1 [2023-04-03 07:26:01,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_irq_register_9_2 [2023-04-03 07:26:01,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_12_2 [2023-04-03 07:26:01,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_8_4 [2023-04-03 07:26:01,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_dummy_factory_13_13_5 [2023-04-03 07:26:01,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_10 [2023-04-03 07:26:01,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_13 [2023-04-03 07:26:01,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_14 [2023-04-03 07:26:01,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_15 [2023-04-03 07:26:01,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_16 [2023-04-03 07:26:01,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_17 [2023-04-03 07:26:01,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_18 [2023-04-03 07:26:01,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_19 [2023-04-03 07:26:01,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_20 [2023-04-03 07:26:01,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_3 [2023-04-03 07:26:01,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_7 [2023-04-03 07:26:01,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_entry_EMGentry_13 [2023-04-03 07:26:01,061 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-03 07:26:01,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2023-04-03 07:26:01,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-04-03 07:26:01,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_external_data [2023-04-03 07:26:01,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_instance_handler_0_5 [2023-04-03 07:26:01,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_instance_thread_0_3 [2023-04-03 07:26:01,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_0 [2023-04-03 07:26:01,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_net_dummy_resourceless_instance_1 [2023-04-03 07:26:01,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_instance_probe_2_17 [2023-04-03 07:26:01,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_instance_release_2_2 [2023-04-03 07:26:01,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_instance_resume_2_5 [2023-04-03 07:26:01,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_instance_resume_early_2_6 [2023-04-03 07:26:01,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_instance_shutdown_2_3 [2023-04-03 07:26:01,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_instance_suspend_2_8 [2023-04-03 07:26:01,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_instance_suspend_late_2_7 [2023-04-03 07:26:01,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_pci_instance_2 [2023-04-03 07:26:01,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_unregister_driver [2023-04-03 07:26:01,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev [2023-04-03 07:26:01,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_open_8_6 [2023-04-03 07:26:01,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2023-04-03 07:26:01,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-04-03 07:26:01,062 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-04-03 07:26:01,062 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_1 [2023-04-03 07:26:01,062 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_6 [2023-04-03 07:26:01,062 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_1 [2023-04-03 07:26:01,062 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_5 [2023-04-03 07:26:01,062 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_2_11 [2023-04-03 07:26:01,062 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_2_20 [2023-04-03 07:26:01,062 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_3_1 [2023-04-03 07:26:01,062 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_3_3 [2023-04-03 07:26:01,062 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_4_1 [2023-04-03 07:26:01,062 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_4_4 [2023-04-03 07:26:01,062 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_dummy_factory_4 [2023-04-03 07:26:01,062 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_instance_callback_3_2 [2023-04-03 07:26:01,062 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_timer_instance_3 [2023-04-03 07:26:01,062 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2023-04-03 07:26:01,062 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_stop_10_2 [2023-04-03 07:26:01,062 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-04-03 07:26:01,062 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2023-04-03 07:26:01,062 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-04-03 07:26:01,062 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-04-03 07:26:01,062 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-04-03 07:26:01,062 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2023-04-03 07:26:01,063 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xzalloc [2023-04-03 07:26:01,063 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-04-03 07:26:01,063 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spi_alloc_master [2023-04-03 07:26:01,063 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-04-03 07:26:01,063 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2023-04-03 07:26:01,063 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2023-04-03 07:26:01,063 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2023-04-03 07:26:01,063 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-04-03 07:26:01,063 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-04-03 07:26:01,063 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2023-04-03 07:26:01,063 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kzalloc [2023-04-03 07:26:01,063 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2023-04-03 07:26:01,063 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2023-04-03 07:26:01,063 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2023-04-03 07:26:01,063 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-03 07:26:01,063 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2023-04-03 07:26:01,063 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-03 07:26:01,063 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2023-04-03 07:26:01,063 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-03 07:26:01,063 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-04-03 07:26:01,063 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2023-04-03 07:26:01,064 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_negative [2023-04-03 07:26:01,064 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_nonpositive [2023-04-03 07:26:01,064 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-03 07:26:01,064 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2023-04-03 07:26:01,064 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_create [2023-04-03 07:26:01,064 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_create_N [2023-04-03 07:26:01,064 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_join [2023-04-03 07:26:01,064 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_join_N [2023-04-03 07:26:01,064 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-04-03 07:26:01,064 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2023-04-03 07:26:01,064 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-04-03 07:26:01,064 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-04-03 07:26:01,064 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock__xmit_lock_of_netdev_queue [2023-04-03 07:26:01,064 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock__xmit_lock_of_netdev_queue [2023-04-03 07:26:01,064 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock__xmit_lock_of_netdev_queue [2023-04-03 07:26:01,064 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait__xmit_lock_of_netdev_queue [2023-04-03 07:26:01,064 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked__xmit_lock_of_netdev_queue [2023-04-03 07:26:01,064 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock__xmit_lock_of_netdev_queue [2023-04-03 07:26:01,064 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended__xmit_lock_of_netdev_queue [2023-04-03 07:26:01,064 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock__xmit_lock_of_netdev_queue [2023-04-03 07:26:01,064 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_addr_list_lock_of_net_device [2023-04-03 07:26:01,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_addr_list_lock_of_net_device [2023-04-03 07:26:01,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_addr_list_lock_of_net_device [2023-04-03 07:26:01,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_addr_list_lock_of_net_device [2023-04-03 07:26:01,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_addr_list_lock_of_net_device [2023-04-03 07:26:01,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_addr_list_lock_of_net_device [2023-04-03 07:26:01,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_addr_list_lock_of_net_device [2023-04-03 07:26:01,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_addr_list_lock_of_net_device [2023-04-03 07:26:01,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_alloc_lock_of_task_struct [2023-04-03 07:26:01,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_alloc_lock_of_task_struct [2023-04-03 07:26:01,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_alloc_lock_of_task_struct [2023-04-03 07:26:01,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_alloc_lock_of_task_struct [2023-04-03 07:26:01,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_alloc_lock_of_task_struct [2023-04-03 07:26:01,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_alloc_lock_of_task_struct [2023-04-03 07:26:01,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_alloc_lock_of_task_struct [2023-04-03 07:26:01,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_alloc_lock_of_task_struct [2023-04-03 07:26:01,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_i_lock_of_inode [2023-04-03 07:26:01,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_i_lock_of_inode [2023-04-03 07:26:01,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_i_lock_of_inode [2023-04-03 07:26:01,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_i_lock_of_inode [2023-04-03 07:26:01,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_i_lock_of_inode [2023-04-03 07:26:01,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_i_lock_of_inode [2023-04-03 07:26:01,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_i_lock_of_inode [2023-04-03 07:26:01,066 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_i_lock_of_inode [2023-04-03 07:26:01,066 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock [2023-04-03 07:26:01,066 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock [2023-04-03 07:26:01,066 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_lock [2023-04-03 07:26:01,066 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_lock [2023-04-03 07:26:01,066 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_lock [2023-04-03 07:26:01,066 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_lock [2023-04-03 07:26:01,066 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_lock [2023-04-03 07:26:01,066 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_lock [2023-04-03 07:26:01,066 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_NOT_ARG_SIGN [2023-04-03 07:26:01,066 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_NOT_ARG_SIGN [2023-04-03 07:26:01,066 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_lock_of_NOT_ARG_SIGN [2023-04-03 07:26:01,066 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_lock_of_NOT_ARG_SIGN [2023-04-03 07:26:01,066 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_lock_of_NOT_ARG_SIGN [2023-04-03 07:26:01,066 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_lock_of_NOT_ARG_SIGN [2023-04-03 07:26:01,066 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_lock_of_NOT_ARG_SIGN [2023-04-03 07:26:01,066 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_lock_of_NOT_ARG_SIGN [2023-04-03 07:26:01,066 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_lock_of_ipg_nic_private [2023-04-03 07:26:01,066 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_lock_of_ipg_nic_private [2023-04-03 07:26:01,066 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_lock_of_ipg_nic_private [2023-04-03 07:26:01,066 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_lock_of_ipg_nic_private [2023-04-03 07:26:01,067 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_lock_of_ipg_nic_private [2023-04-03 07:26:01,067 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_lock_of_ipg_nic_private [2023-04-03 07:26:01,067 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lru_lock_of_netns_frags [2023-04-03 07:26:01,067 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lru_lock_of_netns_frags [2023-04-03 07:26:01,067 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_lru_lock_of_netns_frags [2023-04-03 07:26:01,067 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_lru_lock_of_netns_frags [2023-04-03 07:26:01,067 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_lru_lock_of_netns_frags [2023-04-03 07:26:01,067 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_lru_lock_of_netns_frags [2023-04-03 07:26:01,067 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_lru_lock_of_netns_frags [2023-04-03 07:26:01,067 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_lru_lock_of_netns_frags [2023-04-03 07:26:01,067 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_node_size_lock_of_pglist_data [2023-04-03 07:26:01,067 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_node_size_lock_of_pglist_data [2023-04-03 07:26:01,067 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_node_size_lock_of_pglist_data [2023-04-03 07:26:01,067 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_node_size_lock_of_pglist_data [2023-04-03 07:26:01,067 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_node_size_lock_of_pglist_data [2023-04-03 07:26:01,067 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_node_size_lock_of_pglist_data [2023-04-03 07:26:01,067 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_node_size_lock_of_pglist_data [2023-04-03 07:26:01,067 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_node_size_lock_of_pglist_data [2023-04-03 07:26:01,067 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_ptl [2023-04-03 07:26:01,067 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_ptl [2023-04-03 07:26:01,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_ptl [2023-04-03 07:26:01,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_ptl [2023-04-03 07:26:01,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_ptl [2023-04-03 07:26:01,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_ptl [2023-04-03 07:26:01,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_ptl [2023-04-03 07:26:01,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_ptl [2023-04-03 07:26:01,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_siglock_of_sighand_struct [2023-04-03 07:26:01,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_siglock_of_sighand_struct [2023-04-03 07:26:01,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_siglock_of_sighand_struct [2023-04-03 07:26:01,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_siglock_of_sighand_struct [2023-04-03 07:26:01,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_siglock_of_sighand_struct [2023-04-03 07:26:01,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_siglock_of_sighand_struct [2023-04-03 07:26:01,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_siglock_of_sighand_struct [2023-04-03 07:26:01,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_siglock_of_sighand_struct [2023-04-03 07:26:01,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_tx_global_lock_of_net_device [2023-04-03 07:26:01,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_tx_global_lock_of_net_device [2023-04-03 07:26:01,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_tx_global_lock_of_net_device [2023-04-03 07:26:01,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_tx_global_lock_of_net_device [2023-04-03 07:26:01,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_tx_global_lock_of_net_device [2023-04-03 07:26:01,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_tx_global_lock_of_net_device [2023-04-03 07:26:01,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_tx_global_lock_of_net_device [2023-04-03 07:26:01,069 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_tx_global_lock_of_net_device [2023-04-03 07:26:01,069 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2023-04-03 07:26:01,069 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-03 07:26:01,069 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-03 07:26:01,069 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2023-04-03 07:26:01,069 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2023-04-03 07:26:01,069 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-03 07:26:01,069 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2023-04-03 07:26:01,069 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2023-04-03 07:26:01,069 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2023-04-03 07:26:01,069 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-04-03 07:26:01,069 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-03 07:26:01,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-03 07:26:01,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-04-03 07:26:01,069 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-03 07:26:01,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-04-03 07:26:01,069 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-04-03 07:26:01,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-04-03 07:26:01,069 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-04-03 07:26:01,708 INFO L236 CfgBuilder]: Building ICFG [2023-04-03 07:26:01,715 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-03 07:26:03,246 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint mainFINAL: assume true; [2023-04-03 07:26:04,365 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-04-03 07:26:05,258 INFO L277 CfgBuilder]: Performing block encoding [2023-04-03 07:26:06,959 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-03 07:26:06,959 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-04-03 07:26:06,964 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 07:26:06 BoogieIcfgContainer [2023-04-03 07:26:06,964 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-03 07:26:06,966 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-03 07:26:06,966 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-03 07:26:06,968 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-03 07:26:06,968 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.04 07:25:58" (1/3) ... [2023-04-03 07:26:06,968 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@470b84da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 07:26:06, skipping insertion in model container [2023-04-03 07:26:06,968 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 07:26:00" (2/3) ... [2023-04-03 07:26:06,968 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@470b84da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 07:26:06, skipping insertion in model container [2023-04-03 07:26:06,968 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 07:26:06" (3/3) ... [2023-04-03 07:26:06,969 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-icplus-ipg.cil.i [2023-04-03 07:26:06,981 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-03 07:26:06,981 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2023-04-03 07:26:07,048 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-03 07:26:07,054 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;@4fedc07d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-03 07:26:07,054 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-04-03 07:26:07,063 INFO L276 IsEmpty]: Start isEmpty. Operand has 2320 states, 1218 states have (on average 1.1830870279146142) internal successors, (1441), 1263 states have internal predecessors, (1441), 714 states have call successors, (714), 285 states have call predecessors, (714), 283 states have return successors, (707), 694 states have call predecessors, (707), 707 states have call successors, (707) [2023-04-03 07:26:07,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-04-03 07:26:07,084 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:26:07,085 INFO L195 NwaCegarLoop]: trace histogram [9, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 07:26:07,085 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 07:26:07,089 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:26:07,089 INFO L85 PathProgramCache]: Analyzing trace with hash 1594665781, now seen corresponding path program 1 times [2023-04-03 07:26:07,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:26:07,097 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1240012497] [2023-04-03 07:26:07,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:26:07,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:26:07,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:26:07,687 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2023-04-03 07:26:07,687 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:26:07,687 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1240012497] [2023-04-03 07:26:07,688 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1240012497] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:26:07,688 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:26:07,688 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 07:26:07,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [483750052] [2023-04-03 07:26:07,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:26:07,692 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 07:26:07,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:26:07,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 07:26:07,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 07:26:07,713 INFO L87 Difference]: Start difference. First operand has 2320 states, 1218 states have (on average 1.1830870279146142) internal successors, (1441), 1263 states have internal predecessors, (1441), 714 states have call successors, (714), 285 states have call predecessors, (714), 283 states have return successors, (707), 694 states have call predecessors, (707), 707 states have call successors, (707) Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 3 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2023-04-03 07:26:09,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:26:09,028 INFO L93 Difference]: Finished difference Result 5910 states and 7741 transitions. [2023-04-03 07:26:09,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 07:26:09,030 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 3 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 116 [2023-04-03 07:26:09,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:26:09,056 INFO L225 Difference]: With dead ends: 5910 [2023-04-03 07:26:09,056 INFO L226 Difference]: Without dead ends: 3890 [2023-04-03 07:26:09,068 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 07:26:09,070 INFO L413 NwaCegarLoop]: 2320 mSDtfsCounter, 2454 mSDsluCounter, 2245 mSDsCounter, 0 mSdLazyCounter, 619 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2454 SdHoareTripleChecker+Valid, 4565 SdHoareTripleChecker+Invalid, 626 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 619 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-04-03 07:26:09,070 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2454 Valid, 4565 Invalid, 626 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 619 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-04-03 07:26:09,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3890 states. [2023-04-03 07:26:09,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3890 to 3886. [2023-04-03 07:26:09,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3886 states, 2107 states have (on average 1.196013289036545) internal successors, (2520), 2190 states have internal predecessors, (2520), 1239 states have call successors, (1239), 540 states have call predecessors, (1239), 537 states have return successors, (1234), 1208 states have call predecessors, (1234), 1234 states have call successors, (1234) [2023-04-03 07:26:09,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3886 states to 3886 states and 4993 transitions. [2023-04-03 07:26:09,338 INFO L78 Accepts]: Start accepts. Automaton has 3886 states and 4993 transitions. Word has length 116 [2023-04-03 07:26:09,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:26:09,340 INFO L495 AbstractCegarLoop]: Abstraction has 3886 states and 4993 transitions. [2023-04-03 07:26:09,340 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 3 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2023-04-03 07:26:09,340 INFO L276 IsEmpty]: Start isEmpty. Operand 3886 states and 4993 transitions. [2023-04-03 07:26:09,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-04-03 07:26:09,344 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:26:09,344 INFO L195 NwaCegarLoop]: trace histogram [9, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 07:26:09,345 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-03 07:26:09,345 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 07:26:09,345 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:26:09,345 INFO L85 PathProgramCache]: Analyzing trace with hash 889139126, now seen corresponding path program 1 times [2023-04-03 07:26:09,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:26:09,346 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2021305859] [2023-04-03 07:26:09,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:26:09,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:26:09,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:26:09,661 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2023-04-03 07:26:09,662 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:26:09,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2021305859] [2023-04-03 07:26:09,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2021305859] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:26:09,664 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:26:09,664 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 07:26:09,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [610018137] [2023-04-03 07:26:09,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:26:09,666 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 07:26:09,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:26:09,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 07:26:09,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 07:26:09,667 INFO L87 Difference]: Start difference. First operand 3886 states and 4993 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, (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 07:26:11,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:26:11,084 INFO L93 Difference]: Finished difference Result 10760 states and 13863 transitions. [2023-04-03 07:26:11,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 07:26:11,085 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, (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 124 [2023-04-03 07:26:11,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:26:11,121 INFO L225 Difference]: With dead ends: 10760 [2023-04-03 07:26:11,121 INFO L226 Difference]: Without dead ends: 6904 [2023-04-03 07:26:11,138 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 07:26:11,138 INFO L413 NwaCegarLoop]: 2442 mSDtfsCounter, 2055 mSDsluCounter, 2237 mSDsCounter, 0 mSdLazyCounter, 629 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2055 SdHoareTripleChecker+Valid, 4679 SdHoareTripleChecker+Invalid, 634 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 629 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-04-03 07:26:11,139 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2055 Valid, 4679 Invalid, 634 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 629 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-04-03 07:26:11,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6904 states. [2023-04-03 07:26:11,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6904 to 6863. [2023-04-03 07:26:11,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6863 states, 3697 states have (on average 1.1869083040302948) internal successors, (4388), 3840 states have internal predecessors, (4388), 2194 states have call successors, (2194), 991 states have call predecessors, (2194), 969 states have return successors, (2261), 2114 states have call predecessors, (2261), 2189 states have call successors, (2261) [2023-04-03 07:26:11,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6863 states to 6863 states and 8843 transitions. [2023-04-03 07:26:11,471 INFO L78 Accepts]: Start accepts. Automaton has 6863 states and 8843 transitions. Word has length 124 [2023-04-03 07:26:11,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:26:11,472 INFO L495 AbstractCegarLoop]: Abstraction has 6863 states and 8843 transitions. [2023-04-03 07:26:11,472 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, (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 07:26:11,473 INFO L276 IsEmpty]: Start isEmpty. Operand 6863 states and 8843 transitions. [2023-04-03 07:26:11,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2023-04-03 07:26:11,480 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:26:11,480 INFO L195 NwaCegarLoop]: trace histogram [9, 8, 8, 8, 8, 8, 8, 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] [2023-04-03 07:26:11,480 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-03 07:26:11,480 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 07:26:11,481 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:26:11,481 INFO L85 PathProgramCache]: Analyzing trace with hash 1761253154, now seen corresponding path program 1 times [2023-04-03 07:26:11,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:26:11,481 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [912958934] [2023-04-03 07:26:11,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:26:11,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:26:11,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:26:11,923 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 246 trivial. 0 not checked. [2023-04-03 07:26:11,923 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:26:11,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [912958934] [2023-04-03 07:26:11,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [912958934] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:26:11,925 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:26:11,925 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-04-03 07:26:11,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [360947160] [2023-04-03 07:26:11,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:26:11,927 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-04-03 07:26:11,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:26:11,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-04-03 07:26:11,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2023-04-03 07:26:11,929 INFO L87 Difference]: Start difference. First operand 6863 states and 8843 transitions. Second operand has 6 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 4 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2023-04-03 07:26:16,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:26:16,758 INFO L93 Difference]: Finished difference Result 17471 states and 22498 transitions. [2023-04-03 07:26:16,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-04-03 07:26:16,758 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 4 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) Word has length 162 [2023-04-03 07:26:16,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:26:16,804 INFO L225 Difference]: With dead ends: 17471 [2023-04-03 07:26:16,804 INFO L226 Difference]: Without dead ends: 10638 [2023-04-03 07:26:16,826 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 07:26:16,829 INFO L413 NwaCegarLoop]: 3424 mSDtfsCounter, 5603 mSDsluCounter, 4709 mSDsCounter, 0 mSdLazyCounter, 2559 mSolverCounterSat, 1330 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5608 SdHoareTripleChecker+Valid, 8133 SdHoareTripleChecker+Invalid, 3889 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1330 IncrementalHoareTripleChecker+Valid, 2559 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2023-04-03 07:26:16,830 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5608 Valid, 8133 Invalid, 3889 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1330 Valid, 2559 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2023-04-03 07:26:16,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10638 states. [2023-04-03 07:26:17,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10638 to 10556. [2023-04-03 07:26:17,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10556 states, 5723 states have (on average 1.1834702079329023) internal successors, (6773), 5946 states have internal predecessors, (6773), 3319 states have call successors, (3319), 1547 states have call predecessors, (3319), 1511 states have return successors, (3412), 3191 states have call predecessors, (3412), 3314 states have call successors, (3412) [2023-04-03 07:26:17,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10556 states to 10556 states and 13504 transitions. [2023-04-03 07:26:17,263 INFO L78 Accepts]: Start accepts. Automaton has 10556 states and 13504 transitions. Word has length 162 [2023-04-03 07:26:17,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:26:17,264 INFO L495 AbstractCegarLoop]: Abstraction has 10556 states and 13504 transitions. [2023-04-03 07:26:17,264 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 4 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2023-04-03 07:26:17,264 INFO L276 IsEmpty]: Start isEmpty. Operand 10556 states and 13504 transitions. [2023-04-03 07:26:17,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2023-04-03 07:26:17,266 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:26:17,266 INFO L195 NwaCegarLoop]: trace histogram [9, 8, 8, 8, 8, 8, 8, 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 07:26:17,267 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-03 07:26:17,267 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 07:26:17,267 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:26:17,267 INFO L85 PathProgramCache]: Analyzing trace with hash -1725726026, now seen corresponding path program 1 times [2023-04-03 07:26:17,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:26:17,268 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [416953172] [2023-04-03 07:26:17,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:26:17,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:26:17,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:26:17,472 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 246 trivial. 0 not checked. [2023-04-03 07:26:17,472 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:26:17,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [416953172] [2023-04-03 07:26:17,472 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [416953172] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:26:17,472 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:26:17,472 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 07:26:17,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24305938] [2023-04-03 07:26:17,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:26:17,473 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 07:26:17,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:26:17,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 07:26:17,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 07:26:17,474 INFO L87 Difference]: Start difference. First operand 10556 states and 13504 transitions. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2023-04-03 07:26:19,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:26:19,112 INFO L93 Difference]: Finished difference Result 24802 states and 31826 transitions. [2023-04-03 07:26:19,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 07:26:19,113 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) Word has length 164 [2023-04-03 07:26:19,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:26:19,176 INFO L225 Difference]: With dead ends: 24802 [2023-04-03 07:26:19,176 INFO L226 Difference]: Without dead ends: 14276 [2023-04-03 07:26:19,211 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 07:26:19,212 INFO L413 NwaCegarLoop]: 2303 mSDtfsCounter, 2309 mSDsluCounter, 2219 mSDsCounter, 0 mSdLazyCounter, 649 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2309 SdHoareTripleChecker+Valid, 4522 SdHoareTripleChecker+Invalid, 656 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 649 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-04-03 07:26:19,212 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2309 Valid, 4522 Invalid, 656 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 649 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-04-03 07:26:19,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14276 states. [2023-04-03 07:26:19,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14276 to 14235. [2023-04-03 07:26:19,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14235 states, 7710 states have (on average 1.1819714656290532) internal successors, (9113), 8041 states have internal predecessors, (9113), 4481 states have call successors, (4481), 2114 states have call predecessors, (4481), 2041 states have return successors, (4660), 4249 states have call predecessors, (4660), 4476 states have call successors, (4660) [2023-04-03 07:26:19,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14235 states to 14235 states and 18254 transitions. [2023-04-03 07:26:19,734 INFO L78 Accepts]: Start accepts. Automaton has 14235 states and 18254 transitions. Word has length 164 [2023-04-03 07:26:19,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:26:19,735 INFO L495 AbstractCegarLoop]: Abstraction has 14235 states and 18254 transitions. [2023-04-03 07:26:19,736 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2023-04-03 07:26:19,736 INFO L276 IsEmpty]: Start isEmpty. Operand 14235 states and 18254 transitions. [2023-04-03 07:26:19,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2023-04-03 07:26:19,738 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:26:19,738 INFO L195 NwaCegarLoop]: trace histogram [12, 8, 8, 8, 8, 8, 8, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 07:26:19,738 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-03 07:26:19,739 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 07:26:19,739 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:26:19,739 INFO L85 PathProgramCache]: Analyzing trace with hash -372979688, now seen corresponding path program 1 times [2023-04-03 07:26:19,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:26:19,739 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [236008043] [2023-04-03 07:26:19,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:26:19,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:26:19,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:26:19,983 INFO L134 CoverageAnalysis]: Checked inductivity of 329 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 322 trivial. 0 not checked. [2023-04-03 07:26:19,983 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:26:19,983 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [236008043] [2023-04-03 07:26:19,983 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [236008043] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:26:19,983 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:26:19,983 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 07:26:19,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1357993528] [2023-04-03 07:26:19,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:26:19,984 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 07:26:19,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:26:19,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 07:26:19,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 07:26:19,984 INFO L87 Difference]: Start difference. First operand 14235 states and 18254 transitions. Second operand has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (32), 3 states have call predecessors, (32), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-04-03 07:26:22,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:26:22,012 INFO L93 Difference]: Finished difference Result 14241 states and 18259 transitions. [2023-04-03 07:26:22,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 07:26:22,015 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (32), 3 states have call predecessors, (32), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 184 [2023-04-03 07:26:22,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:26:22,075 INFO L225 Difference]: With dead ends: 14241 [2023-04-03 07:26:22,075 INFO L226 Difference]: Without dead ends: 14239 [2023-04-03 07:26:22,083 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 07:26:22,086 INFO L413 NwaCegarLoop]: 2289 mSDtfsCounter, 2568 mSDsluCounter, 4566 mSDsCounter, 0 mSdLazyCounter, 919 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2579 SdHoareTripleChecker+Valid, 6855 SdHoareTripleChecker+Invalid, 920 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 919 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-04-03 07:26:22,086 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2579 Valid, 6855 Invalid, 920 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 919 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-04-03 07:26:22,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14239 states. [2023-04-03 07:26:22,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14239 to 14239. [2023-04-03 07:26:22,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14239 states, 7713 states have (on average 1.1819006871515623) internal successors, (9116), 8044 states have internal predecessors, (9116), 4481 states have call successors, (4481), 2115 states have call predecessors, (4481), 2042 states have return successors, (4660), 4249 states have call predecessors, (4660), 4476 states have call successors, (4660) [2023-04-03 07:26:22,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14239 states to 14239 states and 18257 transitions. [2023-04-03 07:26:22,661 INFO L78 Accepts]: Start accepts. Automaton has 14239 states and 18257 transitions. Word has length 184 [2023-04-03 07:26:22,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:26:22,662 INFO L495 AbstractCegarLoop]: Abstraction has 14239 states and 18257 transitions. [2023-04-03 07:26:22,662 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (32), 3 states have call predecessors, (32), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-04-03 07:26:22,662 INFO L276 IsEmpty]: Start isEmpty. Operand 14239 states and 18257 transitions. [2023-04-03 07:26:22,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2023-04-03 07:26:22,664 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:26:22,664 INFO L195 NwaCegarLoop]: trace histogram [12, 8, 8, 8, 8, 8, 8, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 07:26:22,664 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-04-03 07:26:22,665 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 07:26:22,665 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:26:22,665 INFO L85 PathProgramCache]: Analyzing trace with hash 1869105235, now seen corresponding path program 1 times [2023-04-03 07:26:22,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:26:22,665 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [511821308] [2023-04-03 07:26:22,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:26:22,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:26:22,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:26:22,913 INFO L134 CoverageAnalysis]: Checked inductivity of 331 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 322 trivial. 0 not checked. [2023-04-03 07:26:22,913 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:26:22,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [511821308] [2023-04-03 07:26:22,913 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [511821308] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:26:22,913 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:26:22,913 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 07:26:22,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7914654] [2023-04-03 07:26:22,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:26:22,914 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 07:26:22,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:26:22,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 07:26:22,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 07:26:22,914 INFO L87 Difference]: Start difference. First operand 14239 states and 18257 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, (33), 3 states have call predecessors, (33), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2023-04-03 07:26:24,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:26:24,910 INFO L93 Difference]: Finished difference Result 14245 states and 18262 transitions. [2023-04-03 07:26:24,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 07:26:24,917 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, (33), 3 states have call predecessors, (33), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 189 [2023-04-03 07:26:24,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:26:24,984 INFO L225 Difference]: With dead ends: 14245 [2023-04-03 07:26:24,984 INFO L226 Difference]: Without dead ends: 14243 [2023-04-03 07:26:24,990 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 07:26:24,991 INFO L413 NwaCegarLoop]: 2292 mSDtfsCounter, 2563 mSDsluCounter, 4566 mSDsCounter, 0 mSdLazyCounter, 919 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2573 SdHoareTripleChecker+Valid, 6858 SdHoareTripleChecker+Invalid, 920 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 919 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-04-03 07:26:24,991 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2573 Valid, 6858 Invalid, 920 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 919 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-04-03 07:26:25,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14243 states. [2023-04-03 07:26:25,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14243 to 14243. [2023-04-03 07:26:25,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14243 states, 7716 states have (on average 1.1818299637117677) internal successors, (9119), 8047 states have internal predecessors, (9119), 4481 states have call successors, (4481), 2116 states have call predecessors, (4481), 2043 states have return successors, (4660), 4249 states have call predecessors, (4660), 4476 states have call successors, (4660) [2023-04-03 07:26:25,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14243 states to 14243 states and 18260 transitions. [2023-04-03 07:26:25,636 INFO L78 Accepts]: Start accepts. Automaton has 14243 states and 18260 transitions. Word has length 189 [2023-04-03 07:26:25,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:26:25,636 INFO L495 AbstractCegarLoop]: Abstraction has 14243 states and 18260 transitions. [2023-04-03 07:26:25,636 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, (33), 3 states have call predecessors, (33), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2023-04-03 07:26:25,636 INFO L276 IsEmpty]: Start isEmpty. Operand 14243 states and 18260 transitions. [2023-04-03 07:26:25,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2023-04-03 07:26:25,638 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:26:25,639 INFO L195 NwaCegarLoop]: trace histogram [12, 8, 8, 8, 8, 8, 8, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 07:26:25,639 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-04-03 07:26:25,639 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 07:26:25,639 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:26:25,639 INFO L85 PathProgramCache]: Analyzing trace with hash -926954312, now seen corresponding path program 1 times [2023-04-03 07:26:25,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:26:25,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [486098195] [2023-04-03 07:26:25,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:26:25,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:26:25,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:26:25,939 INFO L134 CoverageAnalysis]: Checked inductivity of 337 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 326 trivial. 0 not checked. [2023-04-03 07:26:25,939 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:26:25,939 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [486098195] [2023-04-03 07:26:25,939 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [486098195] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:26:25,939 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:26:25,939 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 07:26:25,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [699265017] [2023-04-03 07:26:25,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:26:25,940 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 07:26:25,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:26:25,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 07:26:25,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 07:26:25,941 INFO L87 Difference]: Start difference. First operand 14243 states and 18260 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 07:26:28,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:26:28,039 INFO L93 Difference]: Finished difference Result 14249 states and 18265 transitions. [2023-04-03 07:26:28,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 07:26:28,042 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 194 [2023-04-03 07:26:28,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:26:28,095 INFO L225 Difference]: With dead ends: 14249 [2023-04-03 07:26:28,095 INFO L226 Difference]: Without dead ends: 14247 [2023-04-03 07:26:28,107 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 07:26:28,108 INFO L413 NwaCegarLoop]: 2292 mSDtfsCounter, 2563 mSDsluCounter, 4566 mSDsCounter, 0 mSdLazyCounter, 919 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2572 SdHoareTripleChecker+Valid, 6858 SdHoareTripleChecker+Invalid, 920 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 919 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-04-03 07:26:28,108 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2572 Valid, 6858 Invalid, 920 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 919 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-04-03 07:26:28,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14247 states. [2023-04-03 07:26:28,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14247 to 14247. [2023-04-03 07:26:28,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14247 states, 7719 states have (on average 1.181759295245498) internal successors, (9122), 8050 states have internal predecessors, (9122), 4481 states have call successors, (4481), 2117 states have call predecessors, (4481), 2044 states have return successors, (4660), 4249 states have call predecessors, (4660), 4476 states have call successors, (4660) [2023-04-03 07:26:28,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14247 states to 14247 states and 18263 transitions. [2023-04-03 07:26:28,729 INFO L78 Accepts]: Start accepts. Automaton has 14247 states and 18263 transitions. Word has length 194 [2023-04-03 07:26:28,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:26:28,729 INFO L495 AbstractCegarLoop]: Abstraction has 14247 states and 18263 transitions. [2023-04-03 07:26:28,729 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 07:26:28,729 INFO L276 IsEmpty]: Start isEmpty. Operand 14247 states and 18263 transitions. [2023-04-03 07:26:28,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2023-04-03 07:26:28,731 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:26:28,732 INFO L195 NwaCegarLoop]: trace histogram [12, 8, 8, 8, 8, 8, 8, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 07:26:28,732 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-04-03 07:26:28,732 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 07:26:28,732 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:26:28,732 INFO L85 PathProgramCache]: Analyzing trace with hash -1712236749, now seen corresponding path program 1 times [2023-04-03 07:26:28,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:26:28,732 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1185559483] [2023-04-03 07:26:28,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:26:28,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:26:28,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:26:28,978 INFO L134 CoverageAnalysis]: Checked inductivity of 347 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 334 trivial. 0 not checked. [2023-04-03 07:26:28,978 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:26:28,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1185559483] [2023-04-03 07:26:28,978 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1185559483] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:26:28,978 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:26:28,978 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 07:26:28,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [236794052] [2023-04-03 07:26:28,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:26:28,979 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 07:26:28,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:26:28,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 07:26:28,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 07:26:28,980 INFO L87 Difference]: Start difference. First operand 14247 states and 18263 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, (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 07:26:30,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:26:30,595 INFO L93 Difference]: Finished difference Result 14253 states and 18268 transitions. [2023-04-03 07:26:30,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 07:26:30,598 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, (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 199 [2023-04-03 07:26:30,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:26:30,646 INFO L225 Difference]: With dead ends: 14253 [2023-04-03 07:26:30,646 INFO L226 Difference]: Without dead ends: 14251 [2023-04-03 07:26:30,655 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 07:26:30,655 INFO L413 NwaCegarLoop]: 2292 mSDtfsCounter, 2563 mSDsluCounter, 4566 mSDsCounter, 0 mSdLazyCounter, 919 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2571 SdHoareTripleChecker+Valid, 6858 SdHoareTripleChecker+Invalid, 920 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 919 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-04-03 07:26:30,655 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2571 Valid, 6858 Invalid, 920 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 919 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-04-03 07:26:30,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14251 states. [2023-04-03 07:26:31,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14251 to 14251. [2023-04-03 07:26:31,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14251 states, 7722 states have (on average 1.1816886816886818) internal successors, (9125), 8053 states have internal predecessors, (9125), 4481 states have call successors, (4481), 2118 states have call predecessors, (4481), 2045 states have return successors, (4660), 4249 states have call predecessors, (4660), 4476 states have call successors, (4660) [2023-04-03 07:26:31,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14251 states to 14251 states and 18266 transitions. [2023-04-03 07:26:31,303 INFO L78 Accepts]: Start accepts. Automaton has 14251 states and 18266 transitions. Word has length 199 [2023-04-03 07:26:31,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:26:31,303 INFO L495 AbstractCegarLoop]: Abstraction has 14251 states and 18266 transitions. [2023-04-03 07:26:31,303 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, (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 07:26:31,303 INFO L276 IsEmpty]: Start isEmpty. Operand 14251 states and 18266 transitions. [2023-04-03 07:26:31,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2023-04-03 07:26:31,306 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:26:31,306 INFO L195 NwaCegarLoop]: trace histogram [12, 8, 8, 8, 8, 8, 8, 5, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 07:26:31,306 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-04-03 07:26:31,306 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 07:26:31,306 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:26:31,307 INFO L85 PathProgramCache]: Analyzing trace with hash 774322520, now seen corresponding path program 1 times [2023-04-03 07:26:31,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:26:31,307 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [204200539] [2023-04-03 07:26:31,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:26:31,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:26:31,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:26:31,538 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 346 trivial. 0 not checked. [2023-04-03 07:26:31,539 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:26:31,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [204200539] [2023-04-03 07:26:31,539 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [204200539] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:26:31,539 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:26:31,539 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 07:26:31,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1429894583] [2023-04-03 07:26:31,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:26:31,540 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 07:26:31,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:26:31,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 07:26:31,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 07:26:31,541 INFO L87 Difference]: Start difference. First operand 14251 states and 18266 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, (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 07:26:33,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:26:33,096 INFO L93 Difference]: Finished difference Result 14257 states and 18271 transitions. [2023-04-03 07:26:33,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 07:26:33,099 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, (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 204 [2023-04-03 07:26:33,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:26:33,138 INFO L225 Difference]: With dead ends: 14257 [2023-04-03 07:26:33,138 INFO L226 Difference]: Without dead ends: 14255 [2023-04-03 07:26:33,144 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 07:26:33,145 INFO L413 NwaCegarLoop]: 2292 mSDtfsCounter, 2563 mSDsluCounter, 4566 mSDsCounter, 0 mSdLazyCounter, 919 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2570 SdHoareTripleChecker+Valid, 6858 SdHoareTripleChecker+Invalid, 920 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 919 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-04-03 07:26:33,145 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2570 Valid, 6858 Invalid, 920 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 919 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-04-03 07:26:33,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14255 states. [2023-04-03 07:26:33,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14255 to 14255. [2023-04-03 07:26:33,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14255 states, 7725 states have (on average 1.1816181229773464) internal successors, (9128), 8056 states have internal predecessors, (9128), 4481 states have call successors, (4481), 2119 states have call predecessors, (4481), 2046 states have return successors, (4660), 4249 states have call predecessors, (4660), 4476 states have call successors, (4660) [2023-04-03 07:26:33,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14255 states to 14255 states and 18269 transitions. [2023-04-03 07:26:33,863 INFO L78 Accepts]: Start accepts. Automaton has 14255 states and 18269 transitions. Word has length 204 [2023-04-03 07:26:33,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:26:33,863 INFO L495 AbstractCegarLoop]: Abstraction has 14255 states and 18269 transitions. [2023-04-03 07:26:33,863 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, (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 07:26:33,863 INFO L276 IsEmpty]: Start isEmpty. Operand 14255 states and 18269 transitions. [2023-04-03 07:26:33,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2023-04-03 07:26:33,866 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:26:33,867 INFO L195 NwaCegarLoop]: trace histogram [12, 8, 8, 8, 8, 8, 8, 6, 5, 5, 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] [2023-04-03 07:26:33,867 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-04-03 07:26:33,867 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 07:26:33,867 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:26:33,867 INFO L85 PathProgramCache]: Analyzing trace with hash -1708561292, now seen corresponding path program 1 times [2023-04-03 07:26:33,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:26:33,868 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803981979] [2023-04-03 07:26:33,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:26:33,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:26:33,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:26:34,153 INFO L134 CoverageAnalysis]: Checked inductivity of 387 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 374 trivial. 0 not checked. [2023-04-03 07:26:34,153 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:26:34,153 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803981979] [2023-04-03 07:26:34,153 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1803981979] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:26:34,153 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:26:34,154 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 07:26:34,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1177838978] [2023-04-03 07:26:34,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:26:34,155 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 07:26:34,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:26:34,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 07:26:34,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 07:26:34,156 INFO L87 Difference]: Start difference. First operand 14255 states and 18269 transitions. Second operand has 5 states, 5 states have (on average 14.2) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (45), 3 states have call predecessors, (45), 2 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2023-04-03 07:26:36,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:26:36,164 INFO L93 Difference]: Finished difference Result 14261 states and 18274 transitions. [2023-04-03 07:26:36,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 07:26:36,167 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (45), 3 states have call predecessors, (45), 2 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) Word has length 234 [2023-04-03 07:26:36,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:26:36,258 INFO L225 Difference]: With dead ends: 14261 [2023-04-03 07:26:36,258 INFO L226 Difference]: Without dead ends: 14259 [2023-04-03 07:26:36,262 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 07:26:36,262 INFO L413 NwaCegarLoop]: 2292 mSDtfsCounter, 2566 mSDsluCounter, 4566 mSDsCounter, 0 mSdLazyCounter, 919 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2572 SdHoareTripleChecker+Valid, 6858 SdHoareTripleChecker+Invalid, 920 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 919 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-04-03 07:26:36,262 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2572 Valid, 6858 Invalid, 920 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 919 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-04-03 07:26:36,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14259 states. [2023-04-03 07:26:36,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14259 to 14259. [2023-04-03 07:26:36,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14259 states, 7728 states have (on average 1.181547619047619) internal successors, (9131), 8059 states have internal predecessors, (9131), 4481 states have call successors, (4481), 2120 states have call predecessors, (4481), 2047 states have return successors, (4660), 4249 states have call predecessors, (4660), 4476 states have call successors, (4660) [2023-04-03 07:26:36,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14259 states to 14259 states and 18272 transitions. [2023-04-03 07:26:36,912 INFO L78 Accepts]: Start accepts. Automaton has 14259 states and 18272 transitions. Word has length 234 [2023-04-03 07:26:36,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:26:36,912 INFO L495 AbstractCegarLoop]: Abstraction has 14259 states and 18272 transitions. [2023-04-03 07:26:36,913 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (45), 3 states have call predecessors, (45), 2 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2023-04-03 07:26:36,913 INFO L276 IsEmpty]: Start isEmpty. Operand 14259 states and 18272 transitions. [2023-04-03 07:26:36,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2023-04-03 07:26:36,915 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:26:36,915 INFO L195 NwaCegarLoop]: trace histogram [12, 8, 8, 8, 8, 8, 8, 7, 6, 6, 5, 5, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 07:26:36,915 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-04-03 07:26:36,915 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 07:26:36,916 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:26:36,916 INFO L85 PathProgramCache]: Analyzing trace with hash -440616888, now seen corresponding path program 1 times [2023-04-03 07:26:36,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:26:36,916 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [26263628] [2023-04-03 07:26:36,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:26:36,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:26:36,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:26:37,255 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 394 trivial. 0 not checked. [2023-04-03 07:26:37,256 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:26:37,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [26263628] [2023-04-03 07:26:37,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [26263628] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:26:37,256 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:26:37,256 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 07:26:37,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [444371991] [2023-04-03 07:26:37,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:26:37,256 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 07:26:37,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:26:37,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 07:26:37,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 07:26:37,257 INFO L87 Difference]: Start difference. First operand 14259 states and 18272 transitions. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (46), 3 states have call predecessors, (46), 2 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2023-04-03 07:26:39,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:26:39,517 INFO L93 Difference]: Finished difference Result 16448 states and 20927 transitions. [2023-04-03 07:26:39,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 07:26:39,519 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (46), 3 states have call predecessors, (46), 2 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) Word has length 238 [2023-04-03 07:26:39,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:26:39,553 INFO L225 Difference]: With dead ends: 16448 [2023-04-03 07:26:39,553 INFO L226 Difference]: Without dead ends: 16446 [2023-04-03 07:26:39,557 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 07:26:39,558 INFO L413 NwaCegarLoop]: 2479 mSDtfsCounter, 2072 mSDsluCounter, 5765 mSDsCounter, 0 mSdLazyCounter, 1106 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2077 SdHoareTripleChecker+Valid, 8244 SdHoareTripleChecker+Invalid, 1108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-04-03 07:26:39,558 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2077 Valid, 8244 Invalid, 1108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1106 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-04-03 07:26:39,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16446 states. [2023-04-03 07:26:40,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16446 to 16446. [2023-04-03 07:26:40,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16446 states, 8846 states have (on average 1.170924711734117) internal successors, (10358), 9194 states have internal predecessors, (10358), 5194 states have call successors, (5194), 2476 states have call predecessors, (5194), 2403 states have return successors, (5373), 4962 states have call predecessors, (5373), 5189 states have call successors, (5373) [2023-04-03 07:26:40,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16446 states to 16446 states and 20925 transitions. [2023-04-03 07:26:40,355 INFO L78 Accepts]: Start accepts. Automaton has 16446 states and 20925 transitions. Word has length 238 [2023-04-03 07:26:40,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:26:40,356 INFO L495 AbstractCegarLoop]: Abstraction has 16446 states and 20925 transitions. [2023-04-03 07:26:40,356 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (46), 3 states have call predecessors, (46), 2 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2023-04-03 07:26:40,356 INFO L276 IsEmpty]: Start isEmpty. Operand 16446 states and 20925 transitions. [2023-04-03 07:26:40,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2023-04-03 07:26:40,359 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:26:40,359 INFO L195 NwaCegarLoop]: trace histogram [12, 8, 8, 8, 8, 8, 8, 8, 7, 7, 5, 5, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 07:26:40,359 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-04-03 07:26:40,359 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 07:26:40,359 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:26:40,360 INFO L85 PathProgramCache]: Analyzing trace with hash 863863971, now seen corresponding path program 1 times [2023-04-03 07:26:40,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:26:40,360 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [217087937] [2023-04-03 07:26:40,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:26:40,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:26:40,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:26:40,601 INFO L134 CoverageAnalysis]: Checked inductivity of 434 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 418 trivial. 0 not checked. [2023-04-03 07:26:40,601 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:26:40,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [217087937] [2023-04-03 07:26:40,602 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [217087937] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:26:40,602 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:26:40,602 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 07:26:40,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213949144] [2023-04-03 07:26:40,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:26:40,602 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 07:26:40,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:26:40,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 07:26:40,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 07:26:40,603 INFO L87 Difference]: Start difference. First operand 16446 states and 20925 transitions. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (47), 3 states have call predecessors, (47), 2 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2023-04-03 07:26:42,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:26:42,699 INFO L93 Difference]: Finished difference Result 16452 states and 20930 transitions. [2023-04-03 07:26:42,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 07:26:42,702 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (47), 3 states have call predecessors, (47), 2 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) Word has length 243 [2023-04-03 07:26:42,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:26:42,746 INFO L225 Difference]: With dead ends: 16452 [2023-04-03 07:26:42,747 INFO L226 Difference]: Without dead ends: 16450 [2023-04-03 07:26:42,754 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 07:26:42,755 INFO L413 NwaCegarLoop]: 2292 mSDtfsCounter, 2567 mSDsluCounter, 4566 mSDsCounter, 0 mSdLazyCounter, 919 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2571 SdHoareTripleChecker+Valid, 6858 SdHoareTripleChecker+Invalid, 920 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 919 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-04-03 07:26:42,755 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2571 Valid, 6858 Invalid, 920 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 919 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-04-03 07:26:42,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16450 states. [2023-04-03 07:26:43,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16450 to 16450. [2023-04-03 07:26:43,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16450 states, 8849 states have (on average 1.1708667646061701) internal successors, (10361), 9197 states have internal predecessors, (10361), 5194 states have call successors, (5194), 2477 states have call predecessors, (5194), 2404 states have return successors, (5373), 4962 states have call predecessors, (5373), 5189 states have call successors, (5373) [2023-04-03 07:26:43,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16450 states to 16450 states and 20928 transitions. [2023-04-03 07:26:43,616 INFO L78 Accepts]: Start accepts. Automaton has 16450 states and 20928 transitions. Word has length 243 [2023-04-03 07:26:43,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:26:43,616 INFO L495 AbstractCegarLoop]: Abstraction has 16450 states and 20928 transitions. [2023-04-03 07:26:43,616 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (47), 3 states have call predecessors, (47), 2 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2023-04-03 07:26:43,617 INFO L276 IsEmpty]: Start isEmpty. Operand 16450 states and 20928 transitions. [2023-04-03 07:26:43,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2023-04-03 07:26:43,619 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:26:43,620 INFO L195 NwaCegarLoop]: trace histogram [12, 9, 8, 8, 8, 8, 8, 8, 8, 8, 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] [2023-04-03 07:26:43,620 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-04-03 07:26:43,620 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 07:26:43,620 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:26:43,620 INFO L85 PathProgramCache]: Analyzing trace with hash -1024184809, now seen corresponding path program 1 times [2023-04-03 07:26:43,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:26:43,620 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1773074980] [2023-04-03 07:26:43,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:26:43,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:26:43,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:26:43,863 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 446 trivial. 0 not checked. [2023-04-03 07:26:43,863 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:26:43,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1773074980] [2023-04-03 07:26:43,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1773074980] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:26:43,864 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:26:43,864 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 07:26:43,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685609898] [2023-04-03 07:26:43,864 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:26:43,864 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 07:26:43,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:26:43,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 07:26:43,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 07:26:43,865 INFO L87 Difference]: Start difference. First operand 16450 states and 20928 transitions. Second operand has 5 states, 5 states have (on average 14.2) internal successors, (71), 4 states have internal predecessors, (71), 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 07:26:46,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:26:46,120 INFO L93 Difference]: Finished difference Result 16456 states and 20933 transitions. [2023-04-03 07:26:46,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 07:26:46,123 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 4 states have internal predecessors, (71), 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 249 [2023-04-03 07:26:46,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:26:46,180 INFO L225 Difference]: With dead ends: 16456 [2023-04-03 07:26:46,180 INFO L226 Difference]: Without dead ends: 16454 [2023-04-03 07:26:46,192 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 07:26:46,192 INFO L413 NwaCegarLoop]: 2292 mSDtfsCounter, 2566 mSDsluCounter, 4566 mSDsCounter, 0 mSdLazyCounter, 919 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2569 SdHoareTripleChecker+Valid, 6858 SdHoareTripleChecker+Invalid, 920 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 919 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-04-03 07:26:46,192 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2569 Valid, 6858 Invalid, 920 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 919 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-04-03 07:26:46,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16454 states. [2023-04-03 07:26:47,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16454 to 16454. [2023-04-03 07:26:47,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16454 states, 8852 states have (on average 1.1708088567555355) internal successors, (10364), 9200 states have internal predecessors, (10364), 5194 states have call successors, (5194), 2478 states have call predecessors, (5194), 2405 states have return successors, (5373), 4962 states have call predecessors, (5373), 5189 states have call successors, (5373) [2023-04-03 07:26:47,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16454 states to 16454 states and 20931 transitions. [2023-04-03 07:26:47,121 INFO L78 Accepts]: Start accepts. Automaton has 16454 states and 20931 transitions. Word has length 249 [2023-04-03 07:26:47,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:26:47,121 INFO L495 AbstractCegarLoop]: Abstraction has 16454 states and 20931 transitions. [2023-04-03 07:26:47,122 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 4 states have internal predecessors, (71), 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 07:26:47,122 INFO L276 IsEmpty]: Start isEmpty. Operand 16454 states and 20931 transitions. [2023-04-03 07:26:47,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2023-04-03 07:26:47,125 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:26:47,125 INFO L195 NwaCegarLoop]: trace histogram [12, 10, 9, 9, 8, 8, 8, 8, 8, 8, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 07:26:47,125 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-04-03 07:26:47,125 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 07:26:47,125 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:26:47,125 INFO L85 PathProgramCache]: Analyzing trace with hash 437261267, now seen corresponding path program 1 times [2023-04-03 07:26:47,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:26:47,126 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [916268000] [2023-04-03 07:26:47,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:26:47,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:26:47,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:26:47,342 INFO L134 CoverageAnalysis]: Checked inductivity of 491 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 466 trivial. 0 not checked. [2023-04-03 07:26:47,342 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:26:47,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [916268000] [2023-04-03 07:26:47,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [916268000] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:26:47,342 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:26:47,342 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 07:26:47,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1628989767] [2023-04-03 07:26:47,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:26:47,343 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 07:26:47,343 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:26:47,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 07:26:47,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 07:26:47,344 INFO L87 Difference]: Start difference. First operand 16454 states and 20931 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, (41), 3 states have call predecessors, (41), 2 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2023-04-03 07:26:49,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:26:49,711 INFO L93 Difference]: Finished difference Result 16460 states and 20936 transitions. [2023-04-03 07:26:49,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 07:26:49,714 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, (41), 3 states have call predecessors, (41), 2 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) Word has length 229 [2023-04-03 07:26:49,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:26:49,752 INFO L225 Difference]: With dead ends: 16460 [2023-04-03 07:26:49,752 INFO L226 Difference]: Without dead ends: 16458 [2023-04-03 07:26:49,758 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 07:26:49,759 INFO L413 NwaCegarLoop]: 2292 mSDtfsCounter, 2563 mSDsluCounter, 4566 mSDsCounter, 0 mSdLazyCounter, 919 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2565 SdHoareTripleChecker+Valid, 6858 SdHoareTripleChecker+Invalid, 920 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 919 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-04-03 07:26:49,759 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2565 Valid, 6858 Invalid, 920 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 919 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-04-03 07:26:49,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16458 states. [2023-04-03 07:26:50,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16458 to 16458. [2023-04-03 07:26:50,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16458 states, 8855 states have (on average 1.1707509881422924) internal successors, (10367), 9203 states have internal predecessors, (10367), 5194 states have call successors, (5194), 2479 states have call predecessors, (5194), 2406 states have return successors, (5373), 4962 states have call predecessors, (5373), 5189 states have call successors, (5373) [2023-04-03 07:26:50,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16458 states to 16458 states and 20934 transitions. [2023-04-03 07:26:50,707 INFO L78 Accepts]: Start accepts. Automaton has 16458 states and 20934 transitions. Word has length 229 [2023-04-03 07:26:50,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:26:50,707 INFO L495 AbstractCegarLoop]: Abstraction has 16458 states and 20934 transitions. [2023-04-03 07:26:50,708 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, (41), 3 states have call predecessors, (41), 2 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2023-04-03 07:26:50,708 INFO L276 IsEmpty]: Start isEmpty. Operand 16458 states and 20934 transitions. [2023-04-03 07:26:50,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2023-04-03 07:26:50,711 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:26:50,711 INFO L195 NwaCegarLoop]: trace histogram [12, 11, 10, 10, 8, 8, 8, 8, 8, 8, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 07:26:50,711 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-04-03 07:26:50,711 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 07:26:50,711 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:26:50,712 INFO L85 PathProgramCache]: Analyzing trace with hash -241963208, now seen corresponding path program 1 times [2023-04-03 07:26:50,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:26:50,712 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1769292701] [2023-04-03 07:26:50,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:26:50,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:26:50,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:26:50,934 INFO L134 CoverageAnalysis]: Checked inductivity of 529 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 502 trivial. 0 not checked. [2023-04-03 07:26:50,935 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:26:50,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1769292701] [2023-04-03 07:26:50,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1769292701] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:26:50,935 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:26:50,935 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 07:26:50,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996040730] [2023-04-03 07:26:50,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:26:50,935 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 07:26:50,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:26:50,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 07:26:50,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 07:26:50,936 INFO L87 Difference]: Start difference. First operand 16458 states and 20934 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, (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 07:26:53,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:26:53,327 INFO L93 Difference]: Finished difference Result 16464 states and 20939 transitions. [2023-04-03 07:26:53,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 07:26:53,330 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, (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 234 [2023-04-03 07:26:53,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:26:53,384 INFO L225 Difference]: With dead ends: 16464 [2023-04-03 07:26:53,384 INFO L226 Difference]: Without dead ends: 16460 [2023-04-03 07:26:53,394 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 07:26:53,394 INFO L413 NwaCegarLoop]: 2292 mSDtfsCounter, 2563 mSDsluCounter, 4566 mSDsCounter, 0 mSdLazyCounter, 919 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2564 SdHoareTripleChecker+Valid, 6858 SdHoareTripleChecker+Invalid, 920 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 919 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-04-03 07:26:53,395 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2564 Valid, 6858 Invalid, 920 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 919 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-04-03 07:26:53,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16460 states. [2023-04-03 07:26:54,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16460 to 16460. [2023-04-03 07:26:54,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16460 states, 8857 states have (on average 1.170599525798803) internal successors, (10368), 9204 states have internal predecessors, (10368), 5194 states have call successors, (5194), 2480 states have call predecessors, (5194), 2406 states have return successors, (5373), 4962 states have call predecessors, (5373), 5189 states have call successors, (5373) [2023-04-03 07:26:54,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16460 states to 16460 states and 20935 transitions. [2023-04-03 07:26:54,424 INFO L78 Accepts]: Start accepts. Automaton has 16460 states and 20935 transitions. Word has length 234 [2023-04-03 07:26:54,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:26:54,425 INFO L495 AbstractCegarLoop]: Abstraction has 16460 states and 20935 transitions. [2023-04-03 07:26:54,425 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, (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 07:26:54,425 INFO L276 IsEmpty]: Start isEmpty. Operand 16460 states and 20935 transitions. [2023-04-03 07:26:54,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2023-04-03 07:26:54,428 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:26:54,429 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 11, 11, 8, 8, 8, 8, 8, 8, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 07:26:54,429 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-04-03 07:26:54,429 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 07:26:54,429 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:26:54,429 INFO L85 PathProgramCache]: Analyzing trace with hash -1246264653, now seen corresponding path program 1 times [2023-04-03 07:26:54,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:26:54,429 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1598831872] [2023-04-03 07:26:54,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:26:54,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:26:54,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:26:54,719 INFO L134 CoverageAnalysis]: Checked inductivity of 571 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 542 trivial. 0 not checked. [2023-04-03 07:26:54,719 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:26:54,719 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1598831872] [2023-04-03 07:26:54,721 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1598831872] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:26:54,721 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:26:54,721 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 07:26:54,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385600517] [2023-04-03 07:26:54,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:26:54,722 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 07:26:54,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:26:54,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 07:26:54,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 07:26:54,722 INFO L87 Difference]: Start difference. First operand 16460 states and 20935 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, (43), 3 states have call predecessors, (43), 2 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2023-04-03 07:26:57,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:26:57,133 INFO L93 Difference]: Finished difference Result 16460 states and 20935 transitions. [2023-04-03 07:26:57,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 07:26:57,136 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, (43), 3 states have call predecessors, (43), 2 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) Word has length 239 [2023-04-03 07:26:57,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:26:57,176 INFO L225 Difference]: With dead ends: 16460 [2023-04-03 07:26:57,176 INFO L226 Difference]: Without dead ends: 16157 [2023-04-03 07:26:57,183 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 07:26:57,183 INFO L413 NwaCegarLoop]: 2290 mSDtfsCounter, 2559 mSDsluCounter, 4565 mSDsCounter, 0 mSdLazyCounter, 914 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2559 SdHoareTripleChecker+Valid, 6855 SdHoareTripleChecker+Invalid, 915 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 914 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-04-03 07:26:57,183 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2559 Valid, 6855 Invalid, 915 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 914 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-04-03 07:26:57,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16157 states. [2023-04-03 07:26:58,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16157 to 16157. [2023-04-03 07:26:58,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16157 states, 8745 states have (on average 1.168667810177244) internal successors, (10220), 9056 states have internal predecessors, (10220), 5051 states have call successors, (5051), 2399 states have call predecessors, (5051), 2359 states have return successors, (5234), 4888 states have call predecessors, (5234), 5050 states have call successors, (5234) [2023-04-03 07:26:58,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16157 states to 16157 states and 20505 transitions. [2023-04-03 07:26:58,247 INFO L78 Accepts]: Start accepts. Automaton has 16157 states and 20505 transitions. Word has length 239 [2023-04-03 07:26:58,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:26:58,248 INFO L495 AbstractCegarLoop]: Abstraction has 16157 states and 20505 transitions. [2023-04-03 07:26:58,248 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, (43), 3 states have call predecessors, (43), 2 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2023-04-03 07:26:58,248 INFO L276 IsEmpty]: Start isEmpty. Operand 16157 states and 20505 transitions. [2023-04-03 07:26:58,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2023-04-03 07:26:58,251 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:26:58,251 INFO L195 NwaCegarLoop]: trace histogram [14, 8, 8, 8, 8, 8, 8, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:26:58,252 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-04-03 07:26:58,252 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 07:26:58,252 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:26:58,252 INFO L85 PathProgramCache]: Analyzing trace with hash 1738787595, now seen corresponding path program 1 times [2023-04-03 07:26:58,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:26:58,252 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [359880580] [2023-04-03 07:26:58,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:26:58,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:26:58,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:26:58,477 INFO L134 CoverageAnalysis]: Checked inductivity of 391 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 374 trivial. 0 not checked. [2023-04-03 07:26:58,477 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:26:58,477 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [359880580] [2023-04-03 07:26:58,478 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [359880580] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:26:58,478 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:26:58,478 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 07:26:58,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [837305061] [2023-04-03 07:26:58,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:26:58,478 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 07:26:58,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:26:58,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 07:26:58,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 07:26:58,479 INFO L87 Difference]: Start difference. First operand 16157 states and 20505 transitions. Second operand has 5 states, 5 states have (on average 21.6) internal successors, (108), 5 states have internal predecessors, (108), 4 states have call successors, (52), 3 states have call predecessors, (52), 3 states have return successors, (44), 4 states have call predecessors, (44), 4 states have call successors, (44) [2023-04-03 07:27:10,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:27:10,821 INFO L93 Difference]: Finished difference Result 36322 states and 46111 transitions. [2023-04-03 07:27:10,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-04-03 07:27:10,821 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.6) internal successors, (108), 5 states have internal predecessors, (108), 4 states have call successors, (52), 3 states have call predecessors, (52), 3 states have return successors, (44), 4 states have call predecessors, (44), 4 states have call successors, (44) Word has length 268 [2023-04-03 07:27:10,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:27:10,875 INFO L225 Difference]: With dead ends: 36322 [2023-04-03 07:27:10,875 INFO L226 Difference]: Without dead ends: 20293 [2023-04-03 07:27:10,910 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 07:27:10,911 INFO L413 NwaCegarLoop]: 216 mSDtfsCounter, 2758 mSDsluCounter, 234 mSDsCounter, 0 mSdLazyCounter, 10697 mSolverCounterSat, 950 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3367 SdHoareTripleChecker+Valid, 450 SdHoareTripleChecker+Invalid, 11647 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 950 IncrementalHoareTripleChecker+Valid, 10697 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.8s IncrementalHoareTripleChecker+Time [2023-04-03 07:27:10,911 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3367 Valid, 450 Invalid, 11647 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [950 Valid, 10697 Invalid, 0 Unknown, 0 Unchecked, 10.8s Time] [2023-04-03 07:27:10,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20293 states. [2023-04-03 07:27:12,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20293 to 20281. [2023-04-03 07:27:12,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20281 states, 11015 states have (on average 1.1682251475261007) internal successors, (12868), 11408 states have internal predecessors, (12868), 6286 states have call successors, (6286), 2995 states have call predecessors, (6286), 2978 states have return successors, (6510), 6110 states have call predecessors, (6510), 6285 states have call successors, (6510) [2023-04-03 07:27:12,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20281 states to 20281 states and 25664 transitions. [2023-04-03 07:27:12,399 INFO L78 Accepts]: Start accepts. Automaton has 20281 states and 25664 transitions. Word has length 268 [2023-04-03 07:27:12,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:27:12,399 INFO L495 AbstractCegarLoop]: Abstraction has 20281 states and 25664 transitions. [2023-04-03 07:27:12,399 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.6) internal successors, (108), 5 states have internal predecessors, (108), 4 states have call successors, (52), 3 states have call predecessors, (52), 3 states have return successors, (44), 4 states have call predecessors, (44), 4 states have call successors, (44) [2023-04-03 07:27:12,399 INFO L276 IsEmpty]: Start isEmpty. Operand 20281 states and 25664 transitions. [2023-04-03 07:27:12,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2023-04-03 07:27:12,403 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:27:12,404 INFO L195 NwaCegarLoop]: trace histogram [16, 8, 8, 8, 8, 8, 8, 8, 8, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 07:27:12,404 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-04-03 07:27:12,404 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 07:27:12,404 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:27:12,404 INFO L85 PathProgramCache]: Analyzing trace with hash -478219556, now seen corresponding path program 1 times [2023-04-03 07:27:12,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:27:12,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1917181492] [2023-04-03 07:27:12,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:27:12,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:27:12,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:27:13,217 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-04-03 07:27:13,217 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:27:13,217 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1917181492] [2023-04-03 07:27:13,217 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1917181492] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-03 07:27:13,217 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2010532259] [2023-04-03 07:27:13,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:27:13,217 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 07:27:13,218 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 07:27:13,220 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-03 07:27:13,248 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-04-03 07:27:14,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:27:14,065 INFO L262 TraceCheckSpWp]: Trace formula consists of 3480 conjuncts, 44 conjunts are in the unsatisfiable core [2023-04-03 07:27:14,078 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-03 07:27:14,404 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 6 proven. 106 refuted. 0 times theorem prover too weak. 440 trivial. 0 not checked. [2023-04-03 07:27:14,404 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-03 07:27:14,903 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-04-03 07:27:14,904 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2010532259] provided 1 perfect and 1 imperfect interpolant sequences [2023-04-03 07:27:14,904 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-04-03 07:27:14,904 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6, 6] total 9 [2023-04-03 07:27:14,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116162233] [2023-04-03 07:27:14,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:27:14,905 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-04-03 07:27:14,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:27:14,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-04-03 07:27:14,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2023-04-03 07:27:14,905 INFO L87 Difference]: Start difference. First operand 20281 states and 25664 transitions. Second operand has 6 states, 6 states have (on average 20.166666666666668) internal successors, (121), 5 states have internal predecessors, (121), 3 states have call successors, (56), 4 states have call predecessors, (56), 3 states have return successors, (48), 3 states have call predecessors, (48), 3 states have call successors, (48) [2023-04-03 07:27:19,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:27:19,086 INFO L93 Difference]: Finished difference Result 20281 states and 25664 transitions. [2023-04-03 07:27:19,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 07:27:19,089 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 20.166666666666668) internal successors, (121), 5 states have internal predecessors, (121), 3 states have call successors, (56), 4 states have call predecessors, (56), 3 states have return successors, (48), 3 states have call predecessors, (48), 3 states have call successors, (48) Word has length 333 [2023-04-03 07:27:19,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:27:19,141 INFO L225 Difference]: With dead ends: 20281 [2023-04-03 07:27:19,141 INFO L226 Difference]: Without dead ends: 20279 [2023-04-03 07:27:19,149 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 683 GetRequests, 674 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2023-04-03 07:27:19,150 INFO L413 NwaCegarLoop]: 1871 mSDtfsCounter, 2620 mSDsluCounter, 3819 mSDsCounter, 0 mSdLazyCounter, 3433 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2823 SdHoareTripleChecker+Valid, 5690 SdHoareTripleChecker+Invalid, 3464 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 3433 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-04-03 07:27:19,150 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2823 Valid, 5690 Invalid, 3464 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 3433 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-04-03 07:27:19,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20279 states. [2023-04-03 07:27:20,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20279 to 20279. [2023-04-03 07:27:20,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20279 states, 11014 states have (on average 1.1670601053205012) internal successors, (12854), 11406 states have internal predecessors, (12854), 6286 states have call successors, (6286), 2995 states have call predecessors, (6286), 2978 states have return successors, (6510), 6110 states have call predecessors, (6510), 6285 states have call successors, (6510) [2023-04-03 07:27:20,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20279 states to 20279 states and 25650 transitions. [2023-04-03 07:27:20,585 INFO L78 Accepts]: Start accepts. Automaton has 20279 states and 25650 transitions. Word has length 333 [2023-04-03 07:27:20,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:27:20,585 INFO L495 AbstractCegarLoop]: Abstraction has 20279 states and 25650 transitions. [2023-04-03 07:27:20,585 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 20.166666666666668) internal successors, (121), 5 states have internal predecessors, (121), 3 states have call successors, (56), 4 states have call predecessors, (56), 3 states have return successors, (48), 3 states have call predecessors, (48), 3 states have call successors, (48) [2023-04-03 07:27:20,585 INFO L276 IsEmpty]: Start isEmpty. Operand 20279 states and 25650 transitions. [2023-04-03 07:27:20,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 416 [2023-04-03 07:27:20,593 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:27:20,593 INFO L195 NwaCegarLoop]: trace histogram [18, 11, 11, 8, 8, 8, 8, 8, 8, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:27:20,608 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-04-03 07:27:20,801 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2023-04-03 07:27:20,801 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_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 07:27:20,802 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:27:20,802 INFO L85 PathProgramCache]: Analyzing trace with hash -510163875, now seen corresponding path program 1 times [2023-04-03 07:27:20,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:27:20,802 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1865414903] [2023-04-03 07:27:20,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:27:20,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:27:20,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:27:21,266 INFO L134 CoverageAnalysis]: Checked inductivity of 720 backedges. 48 proven. 2 refuted. 0 times theorem prover too weak. 670 trivial. 0 not checked. [2023-04-03 07:27:21,266 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:27:21,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1865414903] [2023-04-03 07:27:21,267 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1865414903] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-03 07:27:21,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [919890628] [2023-04-03 07:27:21,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:27:21,267 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 07:27:21,267 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 07:27:21,268 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-03 07:27:21,270 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-04-03 07:27:22,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:27:22,095 INFO L262 TraceCheckSpWp]: Trace formula consists of 4087 conjuncts, 6 conjunts are in the unsatisfiable core [2023-04-03 07:27:22,106 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-03 07:27:22,200 INFO L134 CoverageAnalysis]: Checked inductivity of 720 backedges. 146 proven. 4 refuted. 0 times theorem prover too weak. 570 trivial. 0 not checked. [2023-04-03 07:27:22,201 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-03 07:27:22,884 INFO L134 CoverageAnalysis]: Checked inductivity of 720 backedges. 48 proven. 2 refuted. 0 times theorem prover too weak. 670 trivial. 0 not checked. [2023-04-03 07:27:22,884 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [919890628] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-03 07:27:22,884 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [432909078] [2023-04-03 07:27:22,910 INFO L159 IcfgInterpreter]: Started Sifa with 260 locations of interest [2023-04-03 07:27:22,910 INFO L166 IcfgInterpreter]: Building call graph [2023-04-03 07:27:22,913 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-04-03 07:27:22,916 INFO L176 IcfgInterpreter]: Starting interpretation [2023-04-03 07:27:22,916 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-04-03 07:27:34,735 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 292 for LOIs [2023-04-03 07:27:39,062 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 319 for LOIs