/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-realtek-8139cp.cil.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-03 07:29:52,434 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-03 07:29:52,436 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-03 07:29:52,467 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-03 07:29:52,467 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-03 07:29:52,469 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-03 07:29:52,471 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-03 07:29:52,475 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-03 07:29:52,476 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-03 07:29:52,479 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-03 07:29:52,480 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-03 07:29:52,481 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-03 07:29:52,481 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-03 07:29:52,483 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-03 07:29:52,484 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-03 07:29:52,484 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-03 07:29:52,485 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-03 07:29:52,485 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-03 07:29:52,487 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-03 07:29:52,490 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-03 07:29:52,491 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-03 07:29:52,492 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-03 07:29:52,492 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-03 07:29:52,493 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-03 07:29:52,499 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-03 07:29:52,499 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-03 07:29:52,499 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-03 07:29:52,501 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-03 07:29:52,501 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-03 07:29:52,501 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-03 07:29:52,501 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-03 07:29:52,502 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-03 07:29:52,503 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-03 07:29:52,503 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-03 07:29:52,504 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-03 07:29:52,504 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-03 07:29:52,504 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-03 07:29:52,504 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-03 07:29:52,504 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-03 07:29:52,505 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-03 07:29:52,505 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-03 07:29:52,506 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 07:29:52,529 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-03 07:29:52,529 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-03 07:29:52,529 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-03 07:29:52,530 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-03 07:29:52,530 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-03 07:29:52,530 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-03 07:29:52,530 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-03 07:29:52,530 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-03 07:29:52,531 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-03 07:29:52,531 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-03 07:29:52,531 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-03 07:29:52,531 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-03 07:29:52,531 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-03 07:29:52,531 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-03 07:29:52,532 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-03 07:29:52,532 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-03 07:29:52,532 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-03 07:29:52,532 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-03 07:29:52,532 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-03 07:29:52,532 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-03 07:29:52,532 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-03 07:29:52,532 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-03 07:29:52,532 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-03 07:29:52,533 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-03 07:29:52,533 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-03 07:29:52,533 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-03 07:29:52,533 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-03 07:29:52,533 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-03 07:29:52,533 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-03 07:29:52,533 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-03 07:29:52,533 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-03 07:29:52,533 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-03 07:29:52,534 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 07:29:52,534 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-03 07:29:52,534 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-03 07:29:52,534 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-03 07:29:52,534 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-03 07:29:52,534 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-03 07:29:52,534 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-03 07:29:52,534 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-03 07:29:52,534 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-03 07:29:52,534 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-03 07:29:52,724 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-03 07:29:52,745 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-03 07:29:52,746 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-03 07:29:52,747 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-03 07:29:52,747 INFO L275 PluginConnector]: CDTParser initialized [2023-04-03 07:29:52,748 INFO L432 ainManager$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-realtek-8139cp.cil.i [2023-04-03 07:29:53,801 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-03 07:29:54,248 INFO L351 CDTParser]: Found 1 translation units. [2023-04-03 07:29:54,248 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-realtek-8139cp.cil.i [2023-04-03 07:29:54,292 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/756c993d3/e2d8474a11244d5c82c56a5ed9f2f77b/FLAGbd23d8c4f [2023-04-03 07:29:54,306 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/756c993d3/e2d8474a11244d5c82c56a5ed9f2f77b [2023-04-03 07:29:54,308 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-03 07:29:54,309 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-03 07:29:54,311 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-03 07:29:54,311 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-03 07:29:54,313 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-03 07:29:54,313 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 07:29:54" (1/1) ... [2023-04-03 07:29:54,314 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12628092 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 07:29:54, skipping insertion in model container [2023-04-03 07:29:54,314 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 07:29:54" (1/1) ... [2023-04-03 07:29:54,318 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-03 07:29:54,422 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-03 07:29:56,698 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-realtek-8139cp.cil.i[387186,387199] [2023-04-03 07:29:56,701 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-realtek-8139cp.cil.i[387355,387368] [2023-04-03 07:29:56,705 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-realtek-8139cp.cil.i[387522,387535] [2023-04-03 07:29:56,705 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-realtek-8139cp.cil.i[387690,387703] [2023-04-03 07:29:56,728 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 07:29:56,774 INFO L203 MainTranslator]: Completed pre-run [2023-04-03 07:29:57,031 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-realtek-8139cp.cil.i[387186,387199] [2023-04-03 07:29:57,031 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-realtek-8139cp.cil.i[387355,387368] [2023-04-03 07:29:57,031 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-realtek-8139cp.cil.i[387522,387535] [2023-04-03 07:29:57,032 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-realtek-8139cp.cil.i[387690,387703] [2023-04-03 07:29:57,039 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 07:29:57,198 INFO L208 MainTranslator]: Completed translation [2023-04-03 07:29:57,198 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 07:29:57 WrapperNode [2023-04-03 07:29:57,198 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-03 07:29:57,199 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-03 07:29:57,199 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-03 07:29:57,199 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-03 07:29:57,207 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 07:29:57" (1/1) ... [2023-04-03 07:29:57,207 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 07:29:57" (1/1) ... [2023-04-03 07:29:57,305 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 07:29:57" (1/1) ... [2023-04-03 07:29:57,306 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 07:29:57" (1/1) ... [2023-04-03 07:29:57,396 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 07:29:57" (1/1) ... [2023-04-03 07:29:57,417 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 07:29:57" (1/1) ... [2023-04-03 07:29:57,445 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 07:29:57" (1/1) ... [2023-04-03 07:29:57,466 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 07:29:57" (1/1) ... [2023-04-03 07:29:57,499 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-03 07:29:57,500 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-03 07:29:57,500 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-03 07:29:57,500 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-03 07:29:57,500 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 07:29:57" (1/1) ... [2023-04-03 07:29:57,505 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 07:29:57,511 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 07:29:57,546 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 07:29:57,560 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 07:29:57,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-03 07:29:57,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-03 07:29:57,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2023-04-03 07:29:57,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2023-04-03 07:29:57,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~TO~int [2023-04-03 07:29:57,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~gfp_t~0~X~$Pointer$~TO~$Pointer$ [2023-04-03 07:29:57,581 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 07:29:57,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2023-04-03 07:29:57,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-04-03 07:29:57,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-04-03 07:29:57,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-04-03 07:29:57,582 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-04-03 07:29:57,582 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-04-03 07:29:57,582 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2023-04-03 07:29:57,582 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-04-03 07:29:57,582 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2023-04-03 07:29:57,582 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2023-04-03 07:29:57,582 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2023-04-03 07:29:57,582 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-04-03 07:29:57,582 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-04-03 07:29:57,582 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2023-04-03 07:29:57,582 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-04-03 07:29:57,582 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2023-04-03 07:29:57,582 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-04-03 07:29:57,582 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2023-04-03 07:29:57,583 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2023-04-03 07:29:57,583 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2023-04-03 07:29:57,583 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2023-04-03 07:29:57,583 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2023-04-03 07:29:57,583 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2023-04-03 07:29:57,583 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2023-04-03 07:29:57,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2023-04-03 07:29:57,583 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_fromio [2023-04-03 07:29:57,583 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2023-04-03 07:29:57,583 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2023-04-03 07:29:57,583 INFO L138 BoogieDeclarations]: Found implementation of procedure dql_queued [2023-04-03 07:29:57,584 INFO L138 BoogieDeclarations]: Found implementation of procedure dql_avail [2023-04-03 07:29:57,584 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2023-04-03 07:29:57,584 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-04-03 07:29:57,584 INFO L138 BoogieDeclarations]: Found implementation of procedure is_device_dma_capable [2023-04-03 07:29:57,584 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-04-03 07:29:57,584 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2023-04-03 07:29:57,585 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2023-04-03 07:29:57,585 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2023-04-03 07:29:57,585 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_coherent_mask [2023-04-03 07:29:57,585 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_coherent_gfp_flags [2023-04-03 07:29:57,585 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2023-04-03 07:29:57,585 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2023-04-03 07:29:57,585 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_coherent_mask [2023-04-03 07:29:57,585 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2023-04-03 07:29:57,586 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2023-04-03 07:29:57,586 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2023-04-03 07:29:57,586 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2023-04-03 07:29:57,586 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb_ip_align [2023-04-03 07:29:57,586 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb_ip_align [2023-04-03 07:29:57,586 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_page [2023-04-03 07:29:57,586 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_address [2023-04-03 07:29:57,586 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_checksum_none_assert [2023-04-03 07:29:57,586 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable_pending [2023-04-03 07:29:57,586 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule_prep [2023-04-03 07:29:57,586 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2023-04-03 07:29:57,586 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2023-04-03 07:29:57,586 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-04-03 07:29:57,586 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-04-03 07:29:57,586 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_schedule_queue [2023-04-03 07:29:57,587 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2023-04-03 07:29:57,587 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2023-04-03 07:29:57,587 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2023-04-03 07:29:57,587 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-04-03 07:29:57,587 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2023-04-03 07:29:57,587 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-04-03 07:29:57,587 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_tx_sent_queue [2023-04-03 07:29:57,587 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_sent_queue [2023-04-03 07:29:57,587 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_tx_completed_queue [2023-04-03 07:29:57,587 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_completed_queue [2023-04-03 07:29:57,587 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_tx_reset_queue [2023-04-03 07:29:57,588 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_reset_queue [2023-04-03 07:29:57,588 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2023-04-03 07:29:57,588 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2023-04-03 07:29:57,588 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_present [2023-04-03 07:29:57,588 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2023-04-03 07:29:57,588 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_word [2023-04-03 07:29:57,588 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2023-04-03 07:29:57,588 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2023-04-03 07:29:57,588 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2023-04-03 07:29:57,588 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-04-03 07:29:57,588 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2023-04-03 07:29:57,589 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2023-04-03 07:29:57,589 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2023-04-03 07:29:57,589 INFO L138 BoogieDeclarations]: Found implementation of procedure is_multicast_ether_addr [2023-04-03 07:29:57,589 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2023-04-03 07:29:57,589 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2023-04-03 07:29:57,589 INFO L138 BoogieDeclarations]: Found implementation of procedure if_mii [2023-04-03 07:29:57,589 INFO L138 BoogieDeclarations]: Found implementation of procedure __vlan_hwaccel_put_tag [2023-04-03 07:29:57,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2023-04-03 07:29:57,589 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_set_rxbufsize [2023-04-03 07:29:57,589 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_rx_skb [2023-04-03 07:29:57,589 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_rx_err_acct [2023-04-03 07:29:57,589 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_rx_csum_ok [2023-04-03 07:29:57,589 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_rx_poll [2023-04-03 07:29:57,589 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_interrupt [2023-04-03 07:29:57,590 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_poll_controller [2023-04-03 07:29:57,590 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_tx [2023-04-03 07:29:57,590 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_tx_vlan_tag [2023-04-03 07:29:57,590 INFO L138 BoogieDeclarations]: Found implementation of procedure unwind_tx_frag_mapping [2023-04-03 07:29:57,590 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_start_xmit [2023-04-03 07:29:57,590 INFO L138 BoogieDeclarations]: Found implementation of procedure __cp_set_rx_mode [2023-04-03 07:29:57,590 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_set_rx_mode [2023-04-03 07:29:57,591 INFO L138 BoogieDeclarations]: Found implementation of procedure __cp_get_stats [2023-04-03 07:29:57,591 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_get_stats [2023-04-03 07:29:57,591 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_stop_hw [2023-04-03 07:29:57,591 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_reset_hw [2023-04-03 07:29:57,591 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_start_hw [2023-04-03 07:29:57,591 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_enable_irq [2023-04-03 07:29:57,591 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_init_hw [2023-04-03 07:29:57,592 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_refill_rx [2023-04-03 07:29:57,594 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_init_rings_index [2023-04-03 07:29:57,594 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_init_rings [2023-04-03 07:29:57,598 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_alloc_rings [2023-04-03 07:29:57,598 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_clean_rings [2023-04-03 07:29:57,598 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_free_rings [2023-04-03 07:29:57,598 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_open [2023-04-03 07:29:57,598 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_close [2023-04-03 07:29:57,598 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_tx_timeout [2023-04-03 07:29:57,598 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_change_mtu [2023-04-03 07:29:57,598 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2023-04-03 07:29:57,598 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_write [2023-04-03 07:29:57,598 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_set_wol [2023-04-03 07:29:57,599 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_wol [2023-04-03 07:29:57,599 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_get_drvinfo [2023-04-03 07:29:57,599 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_get_ringparam [2023-04-03 07:29:57,599 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_get_regs_len [2023-04-03 07:29:57,599 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_get_sset_count [2023-04-03 07:29:57,599 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_get_settings [2023-04-03 07:29:57,599 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_set_settings [2023-04-03 07:29:57,599 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_nway_reset [2023-04-03 07:29:57,599 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_get_msglevel [2023-04-03 07:29:57,599 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_set_msglevel [2023-04-03 07:29:57,599 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_set_features [2023-04-03 07:29:57,599 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_get_regs [2023-04-03 07:29:57,599 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_get_wol [2023-04-03 07:29:57,599 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_set_wol [2023-04-03 07:29:57,600 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_get_strings [2023-04-03 07:29:57,600 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_get_ethtool_stats [2023-04-03 07:29:57,600 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_ioctl [2023-04-03 07:29:57,600 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_set_mac_address [2023-04-03 07:29:57,600 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_cmd_start [2023-04-03 07:29:57,600 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_cmd [2023-04-03 07:29:57,600 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_cmd_end [2023-04-03 07:29:57,600 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_extend_cmd [2023-04-03 07:29:57,600 INFO L138 BoogieDeclarations]: Found implementation of procedure read_eeprom [2023-04-03 07:29:57,600 INFO L138 BoogieDeclarations]: Found implementation of procedure write_eeprom [2023-04-03 07:29:57,600 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_get_eeprom_len [2023-04-03 07:29:57,600 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_get_eeprom [2023-04-03 07:29:57,600 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_set_eeprom [2023-04-03 07:29:57,600 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_set_d3_state [2023-04-03 07:29:57,600 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_init_one [2023-04-03 07:29:57,600 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_remove_one [2023-04-03 07:29:57,600 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_suspend [2023-04-03 07:29:57,600 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_resume [2023-04-03 07:29:57,600 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_init [2023-04-03 07:29:57,600 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_exit [2023-04-03 07:29:57,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_cp_exit_11_2 [2023-04-03 07:29:57,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_init_cp_init_11_7 [2023-04-03 07:29:57,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___pci_register_driver [2023-04-03 07:29:57,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_etherdev_mqs [2023-04-03 07:29:57,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_allocate_external_0 [2023-04-03 07:29:57,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_deregister_8_1 [2023-04-03 07:29:57,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_deregister_9_1 [2023-04-03 07:29:57,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_irq_deregister_4_1 [2023-04-03 07:29:57,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_irq_register_7_2 [2023-04-03 07:29:57,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_10_2 [2023-04-03 07:29:57,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_6_4 [2023-04-03 07:29:57,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_10 [2023-04-03 07:29:57,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_11 [2023-04-03 07:29:57,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_14 [2023-04-03 07:29:57,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_15 [2023-04-03 07:29:57,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_16 [2023-04-03 07:29:57,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_17 [2023-04-03 07:29:57,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_18 [2023-04-03 07:29:57,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_19 [2023-04-03 07:29:57,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_20 [2023-04-03 07:29:57,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_23 [2023-04-03 07:29:57,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_26 [2023-04-03 07:29:57,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_27 [2023-04-03 07:29:57,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_3 [2023-04-03 07:29:57,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_30 [2023-04-03 07:29:57,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_33 [2023-04-03 07:29:57,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_34 [2023-04-03 07:29:57,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_35 [2023-04-03 07:29:57,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_38 [2023-04-03 07:29:57,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_39 [2023-04-03 07:29:57,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_40 [2023-04-03 07:29:57,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_41 [2023-04-03 07:29:57,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_42 [2023-04-03 07:29:57,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_43 [2023-04-03 07:29:57,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_44 [2023-04-03 07:29:57,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_47 [2023-04-03 07:29:57,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_50 [2023-04-03 07:29:57,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_51 [2023-04-03 07:29:57,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_7 [2023-04-03 07:29:57,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_entry_EMGentry_11 [2023-04-03 07:29:57,603 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-03 07:29:57,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2023-04-03 07:29:57,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-04-03 07:29:57,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_external_data [2023-04-03 07:29:57,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_instance_handler_0_5 [2023-04-03 07:29:57,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_instance_thread_0_3 [2023-04-03 07:29:57,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_0 [2023-04-03 07:29:57,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_net_dummy_resourceless_instance_1 [2023-04-03 07:29:57,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_instance_probe_2_17 [2023-04-03 07:29:57,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_instance_release_2_2 [2023-04-03 07:29:57,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_instance_resume_2_5 [2023-04-03 07:29:57,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_instance_resume_early_2_6 [2023-04-03 07:29:57,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_instance_shutdown_2_3 [2023-04-03 07:29:57,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_instance_suspend_2_8 [2023-04-03 07:29:57,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_instance_suspend_late_2_7 [2023-04-03 07:29:57,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_pci_instance_2 [2023-04-03 07:29:57,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_unregister_driver [2023-04-03 07:29:57,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev [2023-04-03 07:29:57,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_open_6_6 [2023-04-03 07:29:57,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2023-04-03 07:29:57,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-04-03 07:29:57,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-04-03 07:29:57,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_1 [2023-04-03 07:29:57,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_6 [2023-04-03 07:29:57,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_1 [2023-04-03 07:29:57,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_5 [2023-04-03 07:29:57,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_2_11 [2023-04-03 07:29:57,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_2_20 [2023-04-03 07:29:57,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2023-04-03 07:29:57,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_stop_8_2 [2023-04-03 07:29:57,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata_58 [2023-04-03 07:29:57,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata_59 [2023-04-03 07:29:57,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_77 [2023-04-03 07:29:57,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_78 [2023-04-03 07:29:57,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_79 [2023-04-03 07:29:57,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_80 [2023-04-03 07:29:57,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_81 [2023-04-03 07:29:57,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_84 [2023-04-03 07:29:57,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_86 [2023-04-03 07:29:57,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_88 [2023-04-03 07:29:57,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_89 [2023-04-03 07:29:57,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_91 [2023-04-03 07:29:57,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_92 [2023-04-03 07:29:57,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_94 [2023-04-03 07:29:57,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_96 [2023-04-03 07:29:57,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_98 [2023-04-03 07:29:57,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_100 [2023-04-03 07:29:57,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_102 [2023-04-03 07:29:57,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_104 [2023-04-03 07:29:57,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_106 [2023-04-03 07:29:57,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_108 [2023-04-03 07:29:57,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_109 [2023-04-03 07:29:57,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_etherdev_mqs_116 [2023-04-03 07:29:57,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_117 [2023-04-03 07:29:57,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_118 [2023-04-03 07:29:57,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_119 [2023-04-03 07:29:57,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_120 [2023-04-03 07:29:57,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_121 [2023-04-03 07:29:57,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_123 [2023-04-03 07:29:57,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___pci_register_driver_125 [2023-04-03 07:29:57,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_unregister_driver_126 [2023-04-03 07:29:57,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2023-04-03 07:29:57,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-04-03 07:29:57,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spi_alloc_master [2023-04-03 07:29:57,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-04-03 07:29:57,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2023-04-03 07:29:57,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2023-04-03 07:29:57,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2023-04-03 07:29:57,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-04-03 07:29:57,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_init [2023-04-03 07:29:57,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2023-04-03 07:29:57,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-04-03 07:29:57,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kzalloc [2023-04-03 07:29:57,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-04-03 07:29:57,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-04-03 07:29:57,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-04-03 07:29:57,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2023-04-03 07:29:57,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-04-03 07:29:57,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc [2023-04-03 07:29:57,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-04-03 07:29:57,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-04-03 07:29:57,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-04-03 07:29:57,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xzalloc [2023-04-03 07:29:57,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-04-03 07:29:57,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2023-04-03 07:29:57,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_negative [2023-04-03 07:29:57,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_nonpositive [2023-04-03 07:29:57,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_create [2023-04-03 07:29:57,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_create_N [2023-04-03 07:29:57,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_join [2023-04-03 07:29:57,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_join_N [2023-04-03 07:29:57,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock__xmit_lock_of_netdev_queue [2023-04-03 07:29:57,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock__xmit_lock_of_netdev_queue [2023-04-03 07:29:57,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock__xmit_lock_of_netdev_queue [2023-04-03 07:29:57,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait__xmit_lock_of_netdev_queue [2023-04-03 07:29:57,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked__xmit_lock_of_netdev_queue [2023-04-03 07:29:57,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock__xmit_lock_of_netdev_queue [2023-04-03 07:29:57,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended__xmit_lock_of_netdev_queue [2023-04-03 07:29:57,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock__xmit_lock_of_netdev_queue [2023-04-03 07:29:57,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_addr_list_lock_of_net_device [2023-04-03 07:29:57,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_addr_list_lock_of_net_device [2023-04-03 07:29:57,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_addr_list_lock_of_net_device [2023-04-03 07:29:57,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_addr_list_lock_of_net_device [2023-04-03 07:29:57,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_addr_list_lock_of_net_device [2023-04-03 07:29:57,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_addr_list_lock_of_net_device [2023-04-03 07:29:57,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_addr_list_lock_of_net_device [2023-04-03 07:29:57,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_addr_list_lock_of_net_device [2023-04-03 07:29:57,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_alloc_lock_of_task_struct [2023-04-03 07:29:57,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_alloc_lock_of_task_struct [2023-04-03 07:29:57,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_alloc_lock_of_task_struct [2023-04-03 07:29:57,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_alloc_lock_of_task_struct [2023-04-03 07:29:57,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_alloc_lock_of_task_struct [2023-04-03 07:29:57,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_alloc_lock_of_task_struct [2023-04-03 07:29:57,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_alloc_lock_of_task_struct [2023-04-03 07:29:57,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_alloc_lock_of_task_struct [2023-04-03 07:29:57,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_i_lock_of_inode [2023-04-03 07:29:57,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_i_lock_of_inode [2023-04-03 07:29:57,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_i_lock_of_inode [2023-04-03 07:29:57,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_i_lock_of_inode [2023-04-03 07:29:57,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_i_lock_of_inode [2023-04-03 07:29:57,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_i_lock_of_inode [2023-04-03 07:29:57,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_i_lock_of_inode [2023-04-03 07:29:57,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_i_lock_of_inode [2023-04-03 07:29:57,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock [2023-04-03 07:29:57,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock [2023-04-03 07:29:57,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_lock [2023-04-03 07:29:57,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_lock [2023-04-03 07:29:57,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_lock [2023-04-03 07:29:57,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_lock [2023-04-03 07:29:57,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_lock [2023-04-03 07:29:57,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_lock [2023-04-03 07:29:57,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_NOT_ARG_SIGN [2023-04-03 07:29:57,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_NOT_ARG_SIGN [2023-04-03 07:29:57,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_lock_of_NOT_ARG_SIGN [2023-04-03 07:29:57,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_lock_of_NOT_ARG_SIGN [2023-04-03 07:29:57,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_lock_of_NOT_ARG_SIGN [2023-04-03 07:29:57,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_lock_of_NOT_ARG_SIGN [2023-04-03 07:29:57,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_lock_of_NOT_ARG_SIGN [2023-04-03 07:29:57,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_lock_of_NOT_ARG_SIGN [2023-04-03 07:29:57,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_cp_private [2023-04-03 07:29:57,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_cp_private [2023-04-03 07:29:57,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_lock_of_cp_private [2023-04-03 07:29:57,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_lock_of_cp_private [2023-04-03 07:29:57,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_lock_of_cp_private [2023-04-03 07:29:57,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_lock_of_cp_private [2023-04-03 07:29:57,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_lock_of_cp_private [2023-04-03 07:29:57,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_lock_of_cp_private [2023-04-03 07:29:57,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_res_counter [2023-04-03 07:29:57,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_res_counter [2023-04-03 07:29:57,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_lock_of_res_counter [2023-04-03 07:29:57,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_lock_of_res_counter [2023-04-03 07:29:57,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_lock_of_res_counter [2023-04-03 07:29:57,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_lock_of_res_counter [2023-04-03 07:29:57,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_lock_of_res_counter [2023-04-03 07:29:57,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_lock_of_res_counter [2023-04-03 07:29:57,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lru_lock_of_netns_frags [2023-04-03 07:29:57,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lru_lock_of_netns_frags [2023-04-03 07:29:57,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_lru_lock_of_netns_frags [2023-04-03 07:29:57,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_lru_lock_of_netns_frags [2023-04-03 07:29:57,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_lru_lock_of_netns_frags [2023-04-03 07:29:57,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_lru_lock_of_netns_frags [2023-04-03 07:29:57,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_lru_lock_of_netns_frags [2023-04-03 07:29:57,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_lru_lock_of_netns_frags [2023-04-03 07:29:57,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_node_size_lock_of_pglist_data [2023-04-03 07:29:57,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_node_size_lock_of_pglist_data [2023-04-03 07:29:57,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_node_size_lock_of_pglist_data [2023-04-03 07:29:57,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_node_size_lock_of_pglist_data [2023-04-03 07:29:57,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_node_size_lock_of_pglist_data [2023-04-03 07:29:57,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_node_size_lock_of_pglist_data [2023-04-03 07:29:57,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_node_size_lock_of_pglist_data [2023-04-03 07:29:57,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_node_size_lock_of_pglist_data [2023-04-03 07:29:57,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_ptl [2023-04-03 07:29:57,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_ptl [2023-04-03 07:29:57,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_ptl [2023-04-03 07:29:57,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_ptl [2023-04-03 07:29:57,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_ptl [2023-04-03 07:29:57,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_ptl [2023-04-03 07:29:57,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_ptl [2023-04-03 07:29:57,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_ptl [2023-04-03 07:29:57,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_siglock_of_sighand_struct [2023-04-03 07:29:57,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_siglock_of_sighand_struct [2023-04-03 07:29:57,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_siglock_of_sighand_struct [2023-04-03 07:29:57,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_siglock_of_sighand_struct [2023-04-03 07:29:57,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_siglock_of_sighand_struct [2023-04-03 07:29:57,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_siglock_of_sighand_struct [2023-04-03 07:29:57,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_siglock_of_sighand_struct [2023-04-03 07:29:57,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_siglock_of_sighand_struct [2023-04-03 07:29:57,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_sk_dst_lock_of_sock [2023-04-03 07:29:57,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_sk_dst_lock_of_sock [2023-04-03 07:29:57,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_sk_dst_lock_of_sock [2023-04-03 07:29:57,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_sk_dst_lock_of_sock [2023-04-03 07:29:57,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_sk_dst_lock_of_sock [2023-04-03 07:29:57,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_sk_dst_lock_of_sock [2023-04-03 07:29:57,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_sk_dst_lock_of_sock [2023-04-03 07:29:57,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_sk_dst_lock_of_sock [2023-04-03 07:29:57,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_slock_of_NOT_ARG_SIGN [2023-04-03 07:29:57,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_slock_of_NOT_ARG_SIGN [2023-04-03 07:29:57,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_slock_of_NOT_ARG_SIGN [2023-04-03 07:29:57,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_slock_of_NOT_ARG_SIGN [2023-04-03 07:29:57,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_slock_of_NOT_ARG_SIGN [2023-04-03 07:29:57,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_slock_of_NOT_ARG_SIGN [2023-04-03 07:29:57,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_slock_of_NOT_ARG_SIGN [2023-04-03 07:29:57,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_slock_of_NOT_ARG_SIGN [2023-04-03 07:29:57,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_tx_global_lock_of_net_device [2023-04-03 07:29:57,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_tx_global_lock_of_net_device [2023-04-03 07:29:57,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_tx_global_lock_of_net_device [2023-04-03 07:29:57,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_tx_global_lock_of_net_device [2023-04-03 07:29:57,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_tx_global_lock_of_net_device [2023-04-03 07:29:57,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_tx_global_lock_of_net_device [2023-04-03 07:29:57,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_tx_global_lock_of_net_device [2023-04-03 07:29:57,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_tx_global_lock_of_net_device [2023-04-03 07:29:57,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-04-03 07:29:57,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2023-04-03 07:29:57,615 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-03 07:29:57,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-04-03 07:29:57,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2023-04-03 07:29:57,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-04-03 07:29:57,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-04-03 07:29:57,615 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-04-03 07:29:57,615 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_irq [2023-04-03 07:29:57,615 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_netdev_dbg [2023-04-03 07:29:57,615 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2023-04-03 07:29:57,615 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2023-04-03 07:29:57,615 INFO L138 BoogieDeclarations]: Found implementation of procedure __napi_complete [2023-04-03 07:29:57,615 INFO L138 BoogieDeclarations]: Found implementation of procedure __napi_schedule [2023-04-03 07:29:57,615 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2023-04-03 07:29:57,615 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2023-04-03 07:29:57,615 INFO L138 BoogieDeclarations]: Found implementation of procedure __pci_enable_wake [2023-04-03 07:29:57,615 INFO L138 BoogieDeclarations]: Found implementation of procedure __pci_register_driver [2023-04-03 07:29:57,615 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-04-03 07:29:57,615 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-04-03 07:29:57,615 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2023-04-03 07:29:57,615 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2023-04-03 07:29:57,615 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irq [2023-04-03 07:29:57,615 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2023-04-03 07:29:57,615 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irq [2023-04-03 07:29:57,616 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2023-04-03 07:29:57,616 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_etherdev_mqs [2023-04-03 07:29:57,616 INFO L138 BoogieDeclarations]: Found implementation of procedure bitrev32 [2023-04-03 07:29:57,616 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2023-04-03 07:29:57,616 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2023-04-03 07:29:57,616 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_alloc_coherent [2023-04-03 07:29:57,616 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_free_coherent [2023-04-03 07:29:57,616 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2023-04-03 07:29:57,616 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_mapping_error [2023-04-03 07:29:57,616 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2023-04-03 07:29:57,616 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-04-03 07:29:57,616 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_irq [2023-04-03 07:29:57,616 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask [2023-04-03 07:29:57,616 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_supported [2023-04-03 07:29:57,616 INFO L138 BoogieDeclarations]: Found implementation of procedure dql_completed [2023-04-03 07:29:57,616 INFO L138 BoogieDeclarations]: Found implementation of procedure dql_reset [2023-04-03 07:29:57,616 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_irq [2023-04-03 07:29:57,616 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2023-04-03 07:29:57,616 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-04-03 07:29:57,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_op_get_link [2023-04-03 07:29:57,616 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-04-03 07:29:57,616 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-04-03 07:29:57,616 INFO L138 BoogieDeclarations]: Found implementation of procedure generic_mii_ioctl [2023-04-03 07:29:57,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap_nocache [2023-04-03 07:29:57,616 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2023-04-03 07:29:57,617 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2023-04-03 07:29:57,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2023-04-03 07:29:57,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2023-04-03 07:29:57,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-04-03 07:29:57,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2023-04-03 07:29:57,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2023-04-03 07:29:57,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_register_netdev [2023-04-03 07:29:57,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-04-03 07:29:57,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-04-03 07:29:57,617 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_check_media [2023-04-03 07:29:57,617 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ethtool_gset [2023-04-03 07:29:57,617 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ethtool_sset [2023-04-03 07:29:57,617 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_nway_restart [2023-04-03 07:29:57,617 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2023-04-03 07:29:57,617 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_gro_flush [2023-04-03 07:29:57,617 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_gro_receive [2023-04-03 07:29:57,617 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2023-04-03 07:29:57,617 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2023-04-03 07:29:57,617 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_warn [2023-04-03 07:29:57,617 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2023-04-03 07:29:57,617 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2023-04-03 07:29:57,617 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2023-04-03 07:29:57,617 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_add [2023-04-03 07:29:57,617 INFO L138 BoogieDeclarations]: Found implementation of procedure netpoll_trap [2023-04-03 07:29:57,617 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_read_config_word [2023-04-03 07:29:57,618 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_write_config_word [2023-04-03 07:29:57,618 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2023-04-03 07:29:57,618 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_clear_mwi [2023-04-03 07:29:57,618 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-04-03 07:29:57,618 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2023-04-03 07:29:57,618 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-04-03 07:29:57,618 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_request_regions [2023-04-03 07:29:57,618 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2023-04-03 07:29:57,618 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2023-04-03 07:29:57,618 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2023-04-03 07:29:57,618 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_mwi [2023-04-03 07:29:57,618 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2023-04-03 07:29:57,618 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2023-04-03 07:29:57,618 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-04-03 07:29:57,618 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2023-04-03 07:29:57,618 INFO L138 BoogieDeclarations]: Found implementation of procedure request_threaded_irq [2023-04-03 07:29:57,620 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_uninterruptible [2023-04-03 07:29:57,620 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2023-04-03 07:29:57,620 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-04-03 07:29:57,620 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2023-04-03 07:29:57,620 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-04-03 07:29:57,620 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-04-03 07:29:57,621 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-04-03 07:29:57,621 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-04-03 07:29:57,621 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-04-03 07:29:57,621 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-04-03 07:29:57,621 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2023-04-03 07:29:57,621 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-04-03 07:29:57,621 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-04-03 07:29:57,621 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-04-03 07:29:57,621 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2023-04-03 07:29:57,621 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-04-03 07:29:57,621 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-03 07:29:57,621 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2023-04-03 07:29:57,621 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-04-03 07:29:57,621 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_netdev_dbg [2023-04-03 07:29:57,621 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2023-04-03 07:29:57,621 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-04-03 07:29:57,621 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2023-04-03 07:29:57,621 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2023-04-03 07:29:57,621 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-04-03 07:29:57,621 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-04-03 07:29:57,621 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2023-04-03 07:29:57,621 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-03 07:29:57,621 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2023-04-03 07:29:57,621 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2023-04-03 07:29:57,622 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_77 [2023-04-03 07:29:57,622 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_81 [2023-04-03 07:29:57,622 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_84 [2023-04-03 07:29:57,622 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_86 [2023-04-03 07:29:57,622 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_89 [2023-04-03 07:29:57,622 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_92 [2023-04-03 07:29:57,622 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_94 [2023-04-03 07:29:57,622 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_96 [2023-04-03 07:29:57,622 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_98 [2023-04-03 07:29:57,622 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_100 [2023-04-03 07:29:57,622 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_102 [2023-04-03 07:29:57,622 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_104 [2023-04-03 07:29:57,622 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_106 [2023-04-03 07:29:57,622 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_121 [2023-04-03 07:29:57,622 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_123 [2023-04-03 07:29:57,622 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_cp_private [2023-04-03 07:29:57,622 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_cp_private [2023-04-03 07:29:57,622 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2023-04-03 07:29:57,622 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_init [2023-04-03 07:29:57,622 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2023-04-03 07:29:57,622 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2023-04-03 07:29:57,622 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-04-03 07:29:57,622 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_register_netdev [2023-04-03 07:29:57,622 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-04-03 07:29:57,623 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-04-03 07:29:57,623 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-04-03 07:29:57,623 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-04-03 07:29:57,623 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-04-03 07:29:57,623 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-04-03 07:29:57,623 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-04-03 07:29:57,623 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-04-03 07:29:57,623 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-04-03 07:29:57,623 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2023-04-03 07:29:57,623 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irq [2023-04-03 07:29:57,623 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2023-04-03 07:29:57,623 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irq [2023-04-03 07:29:57,623 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2023-04-03 07:29:57,623 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-04-03 07:29:57,623 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-04-03 07:29:57,623 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_79 [2023-04-03 07:29:57,623 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2023-04-03 07:29:57,623 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_108 [2023-04-03 07:29:57,623 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-04-03 07:29:57,623 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_80 [2023-04-03 07:29:57,623 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2023-04-03 07:29:57,623 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_109 [2023-04-03 07:29:57,623 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-04-03 07:29:57,623 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_78 [2023-04-03 07:29:57,623 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2023-04-03 07:29:57,624 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2023-04-03 07:29:57,624 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2023-04-03 07:29:57,624 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2023-04-03 07:29:57,624 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2023-04-03 07:29:57,624 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2023-04-03 07:29:57,624 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2023-04-03 07:29:57,624 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2023-04-03 07:29:57,624 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2023-04-03 07:29:57,624 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2023-04-03 07:29:57,624 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_fromio [2023-04-03 07:29:57,624 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-04-03 07:29:57,624 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2023-04-03 07:29:57,624 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata_58 [2023-04-03 07:29:57,624 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata_59 [2023-04-03 07:29:57,624 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-04-03 07:29:57,624 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2023-04-03 07:29:57,624 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-04-03 07:29:57,624 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2023-04-03 07:29:57,624 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2023-04-03 07:29:57,624 INFO L130 BoogieDeclarations]: Found specification of procedure dql_queued [2023-04-03 07:29:57,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-03 07:29:57,624 INFO L130 BoogieDeclarations]: Found specification of procedure dql_avail [2023-04-03 07:29:57,624 INFO L130 BoogieDeclarations]: Found specification of procedure dql_completed [2023-04-03 07:29:57,624 INFO L130 BoogieDeclarations]: Found specification of procedure dql_reset [2023-04-03 07:29:57,625 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_uninterruptible [2023-04-03 07:29:57,625 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2023-04-03 07:29:57,625 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-04-03 07:29:57,625 INFO L130 BoogieDeclarations]: Found specification of procedure is_device_dma_capable [2023-04-03 07:29:57,625 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2023-04-03 07:29:57,625 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_mapping_error [2023-04-03 07:29:57,625 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2023-04-03 07:29:57,625 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_alloc_coherent [2023-04-03 07:29:57,625 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_free_coherent [2023-04-03 07:29:57,625 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-04-03 07:29:57,625 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2023-04-03 07:29:57,625 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 07:29:57,625 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2023-04-03 07:29:57,625 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 07:29:57,625 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2023-04-03 07:29:57,625 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~TO~int [2023-04-03 07:29:57,625 INFO L130 BoogieDeclarations]: Found specification of procedure dma_supported [2023-04-03 07:29:57,625 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask [2023-04-03 07:29:57,625 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_coherent_mask [2023-04-03 07:29:57,625 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_coherent_gfp_flags [2023-04-03 07:29:57,625 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2023-04-03 07:29:57,625 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~gfp_t~0~X~$Pointer$~TO~$Pointer$ [2023-04-03 07:29:57,625 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2023-04-03 07:29:57,626 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-03 07:29:57,626 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 07:29:57,626 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_coherent_mask [2023-04-03 07:29:57,626 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2023-04-03 07:29:57,626 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2023-04-03 07:29:57,626 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2023-04-03 07:29:57,626 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2023-04-03 07:29:57,626 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2023-04-03 07:29:57,626 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2023-04-03 07:29:57,626 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2023-04-03 07:29:57,626 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2023-04-03 07:29:57,626 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb_ip_align [2023-04-03 07:29:57,626 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb_ip_align [2023-04-03 07:29:57,626 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_page [2023-04-03 07:29:57,626 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_address [2023-04-03 07:29:57,626 INFO L130 BoogieDeclarations]: Found specification of procedure skb_checksum_none_assert [2023-04-03 07:29:57,626 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_op_get_link [2023-04-03 07:29:57,626 INFO L130 BoogieDeclarations]: Found specification of procedure __napi_schedule [2023-04-03 07:29:57,626 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable_pending [2023-04-03 07:29:57,626 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule_prep [2023-04-03 07:29:57,626 INFO L130 BoogieDeclarations]: Found specification of procedure __napi_complete [2023-04-03 07:29:57,626 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2023-04-03 07:29:57,626 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2023-04-03 07:29:57,626 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-04-03 07:29:57,627 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-04-03 07:29:57,627 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_add [2023-04-03 07:29:57,627 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-04-03 07:29:57,627 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_118 [2023-04-03 07:29:57,627 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_120 [2023-04-03 07:29:57,627 INFO L130 BoogieDeclarations]: Found specification of procedure netpoll_trap [2023-04-03 07:29:57,627 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2023-04-03 07:29:57,627 INFO L130 BoogieDeclarations]: Found specification of procedure netif_schedule_queue [2023-04-03 07:29:57,627 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2023-04-03 07:29:57,627 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2023-04-03 07:29:57,627 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2023-04-03 07:29:57,627 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-04-03 07:29:57,627 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2023-04-03 07:29:57,627 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-04-03 07:29:57,627 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_tx_sent_queue [2023-04-03 07:29:57,627 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_sent_queue [2023-04-03 07:29:57,627 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_tx_completed_queue [2023-04-03 07:29:57,627 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_completed_queue [2023-04-03 07:29:57,627 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_tx_reset_queue [2023-04-03 07:29:57,627 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_reset_queue [2023-04-03 07:29:57,627 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2023-04-03 07:29:57,627 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_irq [2023-04-03 07:29:57,627 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2023-04-03 07:29:57,627 INFO L130 BoogieDeclarations]: Found specification of procedure napi_gro_receive [2023-04-03 07:29:57,628 INFO L130 BoogieDeclarations]: Found specification of procedure napi_gro_flush [2023-04-03 07:29:57,628 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2023-04-03 07:29:57,628 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_present [2023-04-03 07:29:57,628 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2023-04-03 07:29:57,628 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2023-04-03 07:29:57,628 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2023-04-03 07:29:57,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_117 [2023-04-03 07:29:57,628 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2023-04-03 07:29:57,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_119 [2023-04-03 07:29:57,628 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2023-04-03 07:29:57,628 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_warn [2023-04-03 07:29:57,628 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2023-04-03 07:29:57,628 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_read_config_word [2023-04-03 07:29:57,628 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_write_config_word [2023-04-03 07:29:57,628 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2023-04-03 07:29:57,628 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_word [2023-04-03 07:29:57,628 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2023-04-03 07:29:57,628 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-04-03 07:29:57,628 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2023-04-03 07:29:57,628 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_mwi [2023-04-03 07:29:57,628 INFO L130 BoogieDeclarations]: Found specification of procedure pci_clear_mwi [2023-04-03 07:29:57,628 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2023-04-03 07:29:57,628 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2023-04-03 07:29:57,628 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2023-04-03 07:29:57,629 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2023-04-03 07:29:57,629 INFO L130 BoogieDeclarations]: Found specification of procedure __pci_enable_wake [2023-04-03 07:29:57,629 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2023-04-03 07:29:57,629 INFO L130 BoogieDeclarations]: Found specification of procedure pci_request_regions [2023-04-03 07:29:57,629 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-04-03 07:29:57,629 INFO L130 BoogieDeclarations]: Found specification of procedure __pci_register_driver [2023-04-03 07:29:57,629 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___pci_register_driver_125 [2023-04-03 07:29:57,629 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2023-04-03 07:29:57,629 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_unregister_driver_126 [2023-04-03 07:29:57,629 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2023-04-03 07:29:57,629 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2023-04-03 07:29:57,629 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-04-03 07:29:57,629 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2023-04-03 07:29:57,629 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2023-04-03 07:29:57,629 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2023-04-03 07:29:57,629 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-04-03 07:29:57,629 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_etherdev_mqs [2023-04-03 07:29:57,629 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_etherdev_mqs_116 [2023-04-03 07:29:57,629 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2023-04-03 07:29:57,629 INFO L130 BoogieDeclarations]: Found specification of procedure is_multicast_ether_addr [2023-04-03 07:29:57,629 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2023-04-03 07:29:57,629 INFO L130 BoogieDeclarations]: Found specification of procedure request_threaded_irq [2023-04-03 07:29:57,629 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2023-04-03 07:29:57,630 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_88 [2023-04-03 07:29:57,630 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-04-03 07:29:57,630 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_91 [2023-04-03 07:29:57,630 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq [2023-04-03 07:29:57,630 INFO L130 BoogieDeclarations]: Found specification of procedure enable_irq [2023-04-03 07:29:57,630 INFO L130 BoogieDeclarations]: Found specification of procedure mii_nway_restart [2023-04-03 07:29:57,630 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ethtool_gset [2023-04-03 07:29:57,630 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ethtool_sset [2023-04-03 07:29:57,630 INFO L130 BoogieDeclarations]: Found specification of procedure mii_check_media [2023-04-03 07:29:57,630 INFO L130 BoogieDeclarations]: Found specification of procedure generic_mii_ioctl [2023-04-03 07:29:57,630 INFO L130 BoogieDeclarations]: Found specification of procedure if_mii [2023-04-03 07:29:57,630 INFO L130 BoogieDeclarations]: Found specification of procedure __vlan_hwaccel_put_tag [2023-04-03 07:29:57,630 INFO L130 BoogieDeclarations]: Found specification of procedure bitrev32 [2023-04-03 07:29:57,630 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2023-04-03 07:29:57,630 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2023-04-03 07:29:57,630 INFO L130 BoogieDeclarations]: Found specification of procedure __cp_set_rx_mode [2023-04-03 07:29:57,630 INFO L130 BoogieDeclarations]: Found specification of procedure cp_tx [2023-04-03 07:29:57,630 INFO L130 BoogieDeclarations]: Found specification of procedure cp_clean_rings [2023-04-03 07:29:57,630 INFO L130 BoogieDeclarations]: Found specification of procedure cp_poll_controller [2023-04-03 07:29:57,630 INFO L130 BoogieDeclarations]: Found specification of procedure cp_get_eeprom_len [2023-04-03 07:29:57,630 INFO L130 BoogieDeclarations]: Found specification of procedure cp_get_eeprom [2023-04-03 07:29:57,630 INFO L130 BoogieDeclarations]: Found specification of procedure cp_set_eeprom [2023-04-03 07:29:57,630 INFO L130 BoogieDeclarations]: Found specification of procedure cp_set_rxbufsize [2023-04-03 07:29:57,630 INFO L130 BoogieDeclarations]: Found specification of procedure cp_rx_skb [2023-04-03 07:29:57,631 INFO L130 BoogieDeclarations]: Found specification of procedure cp_rx_err_acct [2023-04-03 07:29:57,631 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-04-03 07:29:57,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-03 07:29:57,631 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-03 07:29:57,631 INFO L130 BoogieDeclarations]: Found specification of procedure cp_rx_csum_ok [2023-04-03 07:29:57,631 INFO L130 BoogieDeclarations]: Found specification of procedure cp_rx_poll [2023-04-03 07:29:57,631 INFO L130 BoogieDeclarations]: Found specification of procedure cp_interrupt [2023-04-03 07:29:57,631 INFO L130 BoogieDeclarations]: Found specification of procedure cp_tx_vlan_tag [2023-04-03 07:29:57,631 INFO L130 BoogieDeclarations]: Found specification of procedure unwind_tx_frag_mapping [2023-04-03 07:29:57,631 INFO L130 BoogieDeclarations]: Found specification of procedure cp_start_xmit [2023-04-03 07:29:57,631 INFO L130 BoogieDeclarations]: Found specification of procedure cp_set_rx_mode [2023-04-03 07:29:57,631 INFO L130 BoogieDeclarations]: Found specification of procedure __cp_get_stats [2023-04-03 07:29:57,631 INFO L130 BoogieDeclarations]: Found specification of procedure cp_get_stats [2023-04-03 07:29:57,631 INFO L130 BoogieDeclarations]: Found specification of procedure cp_stop_hw [2023-04-03 07:29:57,631 INFO L130 BoogieDeclarations]: Found specification of procedure cp_reset_hw [2023-04-03 07:29:57,631 INFO L130 BoogieDeclarations]: Found specification of procedure cp_start_hw [2023-04-03 07:29:57,631 INFO L130 BoogieDeclarations]: Found specification of procedure cp_enable_irq [2023-04-03 07:29:57,631 INFO L130 BoogieDeclarations]: Found specification of procedure cp_init_hw [2023-04-03 07:29:57,631 INFO L130 BoogieDeclarations]: Found specification of procedure cp_refill_rx [2023-04-03 07:29:57,631 INFO L130 BoogieDeclarations]: Found specification of procedure cp_init_rings_index [2023-04-03 07:29:57,631 INFO L130 BoogieDeclarations]: Found specification of procedure cp_init_rings [2023-04-03 07:29:57,631 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-04-03 07:29:57,631 INFO L130 BoogieDeclarations]: Found specification of procedure cp_alloc_rings [2023-04-03 07:29:57,631 INFO L130 BoogieDeclarations]: Found specification of procedure cp_free_rings [2023-04-03 07:29:57,632 INFO L130 BoogieDeclarations]: Found specification of procedure cp_open [2023-04-03 07:29:57,632 INFO L130 BoogieDeclarations]: Found specification of procedure cp_close [2023-04-03 07:29:57,632 INFO L130 BoogieDeclarations]: Found specification of procedure cp_tx_timeout [2023-04-03 07:29:57,632 INFO L130 BoogieDeclarations]: Found specification of procedure cp_change_mtu [2023-04-03 07:29:57,632 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2023-04-03 07:29:57,632 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_write [2023-04-03 07:29:57,632 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_set_wol [2023-04-03 07:29:57,632 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_wol [2023-04-03 07:29:57,632 INFO L130 BoogieDeclarations]: Found specification of procedure cp_get_drvinfo [2023-04-03 07:29:57,632 INFO L130 BoogieDeclarations]: Found specification of procedure cp_get_ringparam [2023-04-03 07:29:57,632 INFO L130 BoogieDeclarations]: Found specification of procedure cp_get_regs_len [2023-04-03 07:29:57,632 INFO L130 BoogieDeclarations]: Found specification of procedure cp_get_sset_count [2023-04-03 07:29:57,632 INFO L130 BoogieDeclarations]: Found specification of procedure cp_get_settings [2023-04-03 07:29:57,632 INFO L130 BoogieDeclarations]: Found specification of procedure cp_set_settings [2023-04-03 07:29:57,632 INFO L130 BoogieDeclarations]: Found specification of procedure cp_nway_reset [2023-04-03 07:29:57,632 INFO L130 BoogieDeclarations]: Found specification of procedure cp_get_msglevel [2023-04-03 07:29:57,632 INFO L130 BoogieDeclarations]: Found specification of procedure cp_set_msglevel [2023-04-03 07:29:57,632 INFO L130 BoogieDeclarations]: Found specification of procedure cp_set_features [2023-04-03 07:29:57,632 INFO L130 BoogieDeclarations]: Found specification of procedure cp_get_regs [2023-04-03 07:29:57,632 INFO L130 BoogieDeclarations]: Found specification of procedure cp_get_wol [2023-04-03 07:29:57,632 INFO L130 BoogieDeclarations]: Found specification of procedure cp_set_wol [2023-04-03 07:29:57,632 INFO L130 BoogieDeclarations]: Found specification of procedure cp_get_strings [2023-04-03 07:29:57,632 INFO L130 BoogieDeclarations]: Found specification of procedure cp_get_ethtool_stats [2023-04-03 07:29:57,632 INFO L130 BoogieDeclarations]: Found specification of procedure cp_ioctl [2023-04-03 07:29:57,633 INFO L130 BoogieDeclarations]: Found specification of procedure cp_set_mac_address [2023-04-03 07:29:57,633 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_cmd_start [2023-04-03 07:29:57,633 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_cmd [2023-04-03 07:29:57,633 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_cmd_end [2023-04-03 07:29:57,633 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_extend_cmd [2023-04-03 07:29:57,633 INFO L130 BoogieDeclarations]: Found specification of procedure read_eeprom [2023-04-03 07:29:57,633 INFO L130 BoogieDeclarations]: Found specification of procedure write_eeprom [2023-04-03 07:29:57,633 INFO L130 BoogieDeclarations]: Found specification of procedure cp_set_d3_state [2023-04-03 07:29:57,633 INFO L130 BoogieDeclarations]: Found specification of procedure cp_init_one [2023-04-03 07:29:57,633 INFO L130 BoogieDeclarations]: Found specification of procedure cp_remove_one [2023-04-03 07:29:57,633 INFO L130 BoogieDeclarations]: Found specification of procedure cp_suspend [2023-04-03 07:29:57,633 INFO L130 BoogieDeclarations]: Found specification of procedure cp_resume [2023-04-03 07:29:57,633 INFO L130 BoogieDeclarations]: Found specification of procedure cp_init [2023-04-03 07:29:57,633 INFO L130 BoogieDeclarations]: Found specification of procedure cp_exit [2023-04-03 07:29:57,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_cp_exit_11_2 [2023-04-03 07:29:57,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_init_cp_init_11_7 [2023-04-03 07:29:57,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___pci_register_driver [2023-04-03 07:29:57,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_etherdev_mqs [2023-04-03 07:29:57,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_allocate_external_0 [2023-04-03 07:29:57,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_deregister_8_1 [2023-04-03 07:29:57,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_deregister_9_1 [2023-04-03 07:29:57,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_irq_deregister_4_1 [2023-04-03 07:29:57,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_irq_register_7_2 [2023-04-03 07:29:57,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_10_2 [2023-04-03 07:29:57,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_6_4 [2023-04-03 07:29:57,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_10 [2023-04-03 07:29:57,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_11 [2023-04-03 07:29:57,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_14 [2023-04-03 07:29:57,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_15 [2023-04-03 07:29:57,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_16 [2023-04-03 07:29:57,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_17 [2023-04-03 07:29:57,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_18 [2023-04-03 07:29:57,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_19 [2023-04-03 07:29:57,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_20 [2023-04-03 07:29:57,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_23 [2023-04-03 07:29:57,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_26 [2023-04-03 07:29:57,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_27 [2023-04-03 07:29:57,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_3 [2023-04-03 07:29:57,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_30 [2023-04-03 07:29:57,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_33 [2023-04-03 07:29:57,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_34 [2023-04-03 07:29:57,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_35 [2023-04-03 07:29:57,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_38 [2023-04-03 07:29:57,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_39 [2023-04-03 07:29:57,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_40 [2023-04-03 07:29:57,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_41 [2023-04-03 07:29:57,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_42 [2023-04-03 07:29:57,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_43 [2023-04-03 07:29:57,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_44 [2023-04-03 07:29:57,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_47 [2023-04-03 07:29:57,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_50 [2023-04-03 07:29:57,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_51 [2023-04-03 07:29:57,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_7 [2023-04-03 07:29:57,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_entry_EMGentry_11 [2023-04-03 07:29:57,635 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-03 07:29:57,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2023-04-03 07:29:57,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-04-03 07:29:57,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_external_data [2023-04-03 07:29:57,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_instance_handler_0_5 [2023-04-03 07:29:57,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_instance_thread_0_3 [2023-04-03 07:29:57,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_0 [2023-04-03 07:29:57,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_net_dummy_resourceless_instance_1 [2023-04-03 07:29:57,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_instance_probe_2_17 [2023-04-03 07:29:57,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_instance_release_2_2 [2023-04-03 07:29:57,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_instance_resume_2_5 [2023-04-03 07:29:57,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_instance_resume_early_2_6 [2023-04-03 07:29:57,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_instance_shutdown_2_3 [2023-04-03 07:29:57,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_instance_suspend_2_8 [2023-04-03 07:29:57,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_instance_suspend_late_2_7 [2023-04-03 07:29:57,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_pci_instance_2 [2023-04-03 07:29:57,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_unregister_driver [2023-04-03 07:29:57,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev [2023-04-03 07:29:57,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_open_6_6 [2023-04-03 07:29:57,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2023-04-03 07:29:57,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-04-03 07:29:57,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-04-03 07:29:57,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_1 [2023-04-03 07:29:57,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_6 [2023-04-03 07:29:57,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_1 [2023-04-03 07:29:57,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_5 [2023-04-03 07:29:57,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_2_11 [2023-04-03 07:29:57,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_2_20 [2023-04-03 07:29:57,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2023-04-03 07:29:57,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_stop_8_2 [2023-04-03 07:29:57,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-04-03 07:29:57,636 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2023-04-03 07:29:57,636 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-04-03 07:29:57,636 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-04-03 07:29:57,636 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-04-03 07:29:57,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xzalloc [2023-04-03 07:29:57,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-04-03 07:29:57,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spi_alloc_master [2023-04-03 07:29:57,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-04-03 07:29:57,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2023-04-03 07:29:57,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2023-04-03 07:29:57,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2023-04-03 07:29:57,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-04-03 07:29:57,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-04-03 07:29:57,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2023-04-03 07:29:57,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kzalloc [2023-04-03 07:29:57,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2023-04-03 07:29:57,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2023-04-03 07:29:57,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2023-04-03 07:29:57,637 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-03 07:29:57,637 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2023-04-03 07:29:57,637 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-03 07:29:57,637 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-03 07:29:57,637 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-04-03 07:29:57,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2023-04-03 07:29:57,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_negative [2023-04-03 07:29:57,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_nonpositive [2023-04-03 07:29:57,637 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-03 07:29:57,637 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2023-04-03 07:29:57,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_create [2023-04-03 07:29:57,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_create_N [2023-04-03 07:29:57,638 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_join [2023-04-03 07:29:57,638 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_join_N [2023-04-03 07:29:57,638 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-04-03 07:29:57,638 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2023-04-03 07:29:57,638 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-04-03 07:29:57,638 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-04-03 07:29:57,638 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock__xmit_lock_of_netdev_queue [2023-04-03 07:29:57,638 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock__xmit_lock_of_netdev_queue [2023-04-03 07:29:57,638 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock__xmit_lock_of_netdev_queue [2023-04-03 07:29:57,638 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait__xmit_lock_of_netdev_queue [2023-04-03 07:29:57,638 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked__xmit_lock_of_netdev_queue [2023-04-03 07:29:57,638 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock__xmit_lock_of_netdev_queue [2023-04-03 07:29:57,638 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended__xmit_lock_of_netdev_queue [2023-04-03 07:29:57,638 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock__xmit_lock_of_netdev_queue [2023-04-03 07:29:57,638 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_addr_list_lock_of_net_device [2023-04-03 07:29:57,638 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_addr_list_lock_of_net_device [2023-04-03 07:29:57,638 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_addr_list_lock_of_net_device [2023-04-03 07:29:57,638 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_addr_list_lock_of_net_device [2023-04-03 07:29:57,638 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_addr_list_lock_of_net_device [2023-04-03 07:29:57,638 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_addr_list_lock_of_net_device [2023-04-03 07:29:57,638 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_addr_list_lock_of_net_device [2023-04-03 07:29:57,638 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_addr_list_lock_of_net_device [2023-04-03 07:29:57,638 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_alloc_lock_of_task_struct [2023-04-03 07:29:57,639 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_alloc_lock_of_task_struct [2023-04-03 07:29:57,639 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_alloc_lock_of_task_struct [2023-04-03 07:29:57,639 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_alloc_lock_of_task_struct [2023-04-03 07:29:57,639 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_alloc_lock_of_task_struct [2023-04-03 07:29:57,639 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_alloc_lock_of_task_struct [2023-04-03 07:29:57,639 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_alloc_lock_of_task_struct [2023-04-03 07:29:57,639 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_alloc_lock_of_task_struct [2023-04-03 07:29:57,639 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_i_lock_of_inode [2023-04-03 07:29:57,639 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_i_lock_of_inode [2023-04-03 07:29:57,639 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_i_lock_of_inode [2023-04-03 07:29:57,639 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_i_lock_of_inode [2023-04-03 07:29:57,639 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_i_lock_of_inode [2023-04-03 07:29:57,639 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_i_lock_of_inode [2023-04-03 07:29:57,639 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_i_lock_of_inode [2023-04-03 07:29:57,639 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_i_lock_of_inode [2023-04-03 07:29:57,639 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock [2023-04-03 07:29:57,639 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock [2023-04-03 07:29:57,639 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_lock [2023-04-03 07:29:57,639 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_lock [2023-04-03 07:29:57,639 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_lock [2023-04-03 07:29:57,639 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_lock [2023-04-03 07:29:57,639 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_lock [2023-04-03 07:29:57,639 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_lock [2023-04-03 07:29:57,639 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_NOT_ARG_SIGN [2023-04-03 07:29:57,639 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_NOT_ARG_SIGN [2023-04-03 07:29:57,639 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_lock_of_NOT_ARG_SIGN [2023-04-03 07:29:57,640 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_lock_of_NOT_ARG_SIGN [2023-04-03 07:29:57,640 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_lock_of_NOT_ARG_SIGN [2023-04-03 07:29:57,640 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_lock_of_NOT_ARG_SIGN [2023-04-03 07:29:57,640 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_lock_of_NOT_ARG_SIGN [2023-04-03 07:29:57,640 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_lock_of_NOT_ARG_SIGN [2023-04-03 07:29:57,640 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_lock_of_cp_private [2023-04-03 07:29:57,640 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_lock_of_cp_private [2023-04-03 07:29:57,640 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_lock_of_cp_private [2023-04-03 07:29:57,640 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_lock_of_cp_private [2023-04-03 07:29:57,640 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_lock_of_cp_private [2023-04-03 07:29:57,640 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_lock_of_cp_private [2023-04-03 07:29:57,640 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_res_counter [2023-04-03 07:29:57,640 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_res_counter [2023-04-03 07:29:57,640 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_lock_of_res_counter [2023-04-03 07:29:57,640 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_lock_of_res_counter [2023-04-03 07:29:57,640 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_lock_of_res_counter [2023-04-03 07:29:57,640 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_lock_of_res_counter [2023-04-03 07:29:57,640 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_lock_of_res_counter [2023-04-03 07:29:57,640 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_lock_of_res_counter [2023-04-03 07:29:57,640 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lru_lock_of_netns_frags [2023-04-03 07:29:57,640 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lru_lock_of_netns_frags [2023-04-03 07:29:57,640 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_lru_lock_of_netns_frags [2023-04-03 07:29:57,640 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_lru_lock_of_netns_frags [2023-04-03 07:29:57,640 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_lru_lock_of_netns_frags [2023-04-03 07:29:57,640 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_lru_lock_of_netns_frags [2023-04-03 07:29:57,641 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_lru_lock_of_netns_frags [2023-04-03 07:29:57,641 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_lru_lock_of_netns_frags [2023-04-03 07:29:57,641 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_node_size_lock_of_pglist_data [2023-04-03 07:29:57,641 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_node_size_lock_of_pglist_data [2023-04-03 07:29:57,641 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_node_size_lock_of_pglist_data [2023-04-03 07:29:57,641 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_node_size_lock_of_pglist_data [2023-04-03 07:29:57,641 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_node_size_lock_of_pglist_data [2023-04-03 07:29:57,641 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_node_size_lock_of_pglist_data [2023-04-03 07:29:57,641 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_node_size_lock_of_pglist_data [2023-04-03 07:29:57,641 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_node_size_lock_of_pglist_data [2023-04-03 07:29:57,641 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_ptl [2023-04-03 07:29:57,641 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_ptl [2023-04-03 07:29:57,641 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_ptl [2023-04-03 07:29:57,641 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_ptl [2023-04-03 07:29:57,641 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_ptl [2023-04-03 07:29:57,641 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_ptl [2023-04-03 07:29:57,642 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_ptl [2023-04-03 07:29:57,642 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_ptl [2023-04-03 07:29:57,642 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_siglock_of_sighand_struct [2023-04-03 07:29:57,642 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_siglock_of_sighand_struct [2023-04-03 07:29:57,642 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_siglock_of_sighand_struct [2023-04-03 07:29:57,642 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_siglock_of_sighand_struct [2023-04-03 07:29:57,642 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_siglock_of_sighand_struct [2023-04-03 07:29:57,642 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_siglock_of_sighand_struct [2023-04-03 07:29:57,642 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_siglock_of_sighand_struct [2023-04-03 07:29:57,642 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_siglock_of_sighand_struct [2023-04-03 07:29:57,642 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_sk_dst_lock_of_sock [2023-04-03 07:29:57,642 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_sk_dst_lock_of_sock [2023-04-03 07:29:57,642 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_sk_dst_lock_of_sock [2023-04-03 07:29:57,642 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_sk_dst_lock_of_sock [2023-04-03 07:29:57,642 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_sk_dst_lock_of_sock [2023-04-03 07:29:57,642 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_sk_dst_lock_of_sock [2023-04-03 07:29:57,643 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_sk_dst_lock_of_sock [2023-04-03 07:29:57,643 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_sk_dst_lock_of_sock [2023-04-03 07:29:57,643 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_slock_of_NOT_ARG_SIGN [2023-04-03 07:29:57,643 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_slock_of_NOT_ARG_SIGN [2023-04-03 07:29:57,643 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_slock_of_NOT_ARG_SIGN [2023-04-03 07:29:57,643 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_slock_of_NOT_ARG_SIGN [2023-04-03 07:29:57,643 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_slock_of_NOT_ARG_SIGN [2023-04-03 07:29:57,643 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_slock_of_NOT_ARG_SIGN [2023-04-03 07:29:57,643 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_slock_of_NOT_ARG_SIGN [2023-04-03 07:29:57,643 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_slock_of_NOT_ARG_SIGN [2023-04-03 07:29:57,643 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_tx_global_lock_of_net_device [2023-04-03 07:29:57,643 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_tx_global_lock_of_net_device [2023-04-03 07:29:57,643 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_tx_global_lock_of_net_device [2023-04-03 07:29:57,643 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_tx_global_lock_of_net_device [2023-04-03 07:29:57,643 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_tx_global_lock_of_net_device [2023-04-03 07:29:57,643 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_tx_global_lock_of_net_device [2023-04-03 07:29:57,643 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_tx_global_lock_of_net_device [2023-04-03 07:29:57,643 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_tx_global_lock_of_net_device [2023-04-03 07:29:57,643 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2023-04-03 07:29:57,643 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-03 07:29:57,643 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-03 07:29:57,643 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2023-04-03 07:29:57,643 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2023-04-03 07:29:57,643 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-03 07:29:57,643 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2023-04-03 07:29:57,644 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2023-04-03 07:29:57,644 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2023-04-03 07:29:57,644 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-04-03 07:29:57,644 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-03 07:29:57,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-03 07:29:57,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-04-03 07:29:57,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-04-03 07:29:57,644 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-03 07:29:57,644 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-04-03 07:29:57,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-04-03 07:29:57,644 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-04-03 07:29:58,462 INFO L236 CfgBuilder]: Building ICFG [2023-04-03 07:29:58,467 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-03 07:29:59,540 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint mainFINAL: assume true; [2023-04-03 07:29:59,910 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-04-03 07:30:44,445 INFO L277 CfgBuilder]: Performing block encoding [2023-04-03 07:30:46,375 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-03 07:30:46,376 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-04-03 07:30:46,381 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 07:30:46 BoogieIcfgContainer [2023-04-03 07:30:46,381 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-03 07:30:46,383 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-03 07:30:46,383 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-03 07:30:46,385 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-03 07:30:46,386 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.04 07:29:54" (1/3) ... [2023-04-03 07:30:46,386 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67600e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 07:30:46, skipping insertion in model container [2023-04-03 07:30:46,386 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 07:29:57" (2/3) ... [2023-04-03 07:30:46,386 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67600e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 07:30:46, skipping insertion in model container [2023-04-03 07:30:46,387 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 07:30:46" (3/3) ... [2023-04-03 07:30:46,388 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-realtek-8139cp.cil.i [2023-04-03 07:30:46,400 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-03 07:30:46,400 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2023-04-03 07:30:46,462 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-03 07:30:46,467 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;@280d452c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-03 07:30:46,467 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-04-03 07:30:46,477 INFO L276 IsEmpty]: Start isEmpty. Operand has 2950 states, 1521 states have (on average 1.1689677843523998) internal successors, (1778), 1562 states have internal predecessors, (1778), 927 states have call successors, (927), 370 states have call predecessors, (927), 368 states have return successors, (921), 911 states have call predecessors, (921), 921 states have call successors, (921) [2023-04-03 07:30:46,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2023-04-03 07:30:46,489 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:30:46,490 INFO L195 NwaCegarLoop]: trace histogram [17, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 07:30:46,490 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 07:30:46,493 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:30:46,494 INFO L85 PathProgramCache]: Analyzing trace with hash 278045239, now seen corresponding path program 1 times [2023-04-03 07:30:46,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:30:46,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1505667840] [2023-04-03 07:30:46,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:30:46,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:30:46,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:30:47,603 INFO L134 CoverageAnalysis]: Checked inductivity of 992 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 992 trivial. 0 not checked. [2023-04-03 07:30:47,603 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:30:47,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1505667840] [2023-04-03 07:30:47,604 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1505667840] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:30:47,604 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:30:47,604 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 07:30:47,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1868386448] [2023-04-03 07:30:47,606 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:30:47,611 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 07:30:47,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:30:47,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 07:30:47,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 07:30:47,645 INFO L87 Difference]: Start difference. First operand has 2950 states, 1521 states have (on average 1.1689677843523998) internal successors, (1778), 1562 states have internal predecessors, (1778), 927 states have call successors, (927), 370 states have call predecessors, (927), 368 states have return successors, (921), 911 states have call predecessors, (921), 921 states have call successors, (921) Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 3 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2023-04-03 07:30:49,711 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:30:51,994 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.28s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:30:56,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:30:56,934 INFO L93 Difference]: Finished difference Result 7275 states and 9572 transitions. [2023-04-03 07:30:56,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 07:30:56,937 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 3 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) Word has length 192 [2023-04-03 07:30:56,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:30:56,984 INFO L225 Difference]: With dead ends: 7275 [2023-04-03 07:30:56,985 INFO L226 Difference]: Without dead ends: 4816 [2023-04-03 07:30:57,005 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 07:30:57,008 INFO L413 NwaCegarLoop]: 2836 mSDtfsCounter, 3035 mSDsluCounter, 2759 mSDsCounter, 0 mSdLazyCounter, 740 mSolverCounterSat, 3 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3035 SdHoareTripleChecker+Valid, 5595 SdHoareTripleChecker+Invalid, 745 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 740 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.9s IncrementalHoareTripleChecker+Time [2023-04-03 07:30:57,009 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3035 Valid, 5595 Invalid, 745 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 740 Invalid, 2 Unknown, 0 Unchecked, 8.9s Time] [2023-04-03 07:30:57,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4816 states. [2023-04-03 07:30:57,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4816 to 4812. [2023-04-03 07:30:57,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4812 states, 2545 states have (on average 1.1779960707269155) internal successors, (2998), 2611 states have internal predecessors, (2998), 1575 states have call successors, (1575), 692 states have call predecessors, (1575), 689 states have return successors, (1571), 1553 states have call predecessors, (1571), 1571 states have call successors, (1571) [2023-04-03 07:30:57,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4812 states to 4812 states and 6144 transitions. [2023-04-03 07:30:57,444 INFO L78 Accepts]: Start accepts. Automaton has 4812 states and 6144 transitions. Word has length 192 [2023-04-03 07:30:57,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:30:57,447 INFO L495 AbstractCegarLoop]: Abstraction has 4812 states and 6144 transitions. [2023-04-03 07:30:57,447 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 3 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2023-04-03 07:30:57,447 INFO L276 IsEmpty]: Start isEmpty. Operand 4812 states and 6144 transitions. [2023-04-03 07:30:57,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2023-04-03 07:30:57,455 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:30:57,456 INFO L195 NwaCegarLoop]: trace histogram [17, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 07:30:57,456 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-03 07:30:57,456 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 07:30:57,460 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:30:57,460 INFO L85 PathProgramCache]: Analyzing trace with hash 955891610, now seen corresponding path program 1 times [2023-04-03 07:30:57,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:30:57,460 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [715965547] [2023-04-03 07:30:57,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:30:57,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:30:57,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:30:58,012 INFO L134 CoverageAnalysis]: Checked inductivity of 992 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 992 trivial. 0 not checked. [2023-04-03 07:30:58,013 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:30:58,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [715965547] [2023-04-03 07:30:58,014 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [715965547] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:30:58,014 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:30:58,014 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 07:30:58,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1313900608] [2023-04-03 07:30:58,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:30:58,018 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 07:30:58,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:30:58,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 07:30:58,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 07:30:58,018 INFO L87 Difference]: Start difference. First operand 4812 states and 6144 transitions. Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 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 07:31:00,090 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:31:02,351 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:31:07,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:31:07,198 INFO L93 Difference]: Finished difference Result 12728 states and 16188 transitions. [2023-04-03 07:31:07,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 07:31:07,199 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 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 205 [2023-04-03 07:31:07,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:31:07,239 INFO L225 Difference]: With dead ends: 12728 [2023-04-03 07:31:07,239 INFO L226 Difference]: Without dead ends: 7962 [2023-04-03 07:31:07,259 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 07:31:07,260 INFO L413 NwaCegarLoop]: 2812 mSDtfsCounter, 2057 mSDsluCounter, 2670 mSDsCounter, 0 mSdLazyCounter, 834 mSolverCounterSat, 7 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2057 SdHoareTripleChecker+Valid, 5482 SdHoareTripleChecker+Invalid, 843 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 834 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.8s IncrementalHoareTripleChecker+Time [2023-04-03 07:31:07,260 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2057 Valid, 5482 Invalid, 843 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 834 Invalid, 2 Unknown, 0 Unchecked, 8.8s Time] [2023-04-03 07:31:07,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7962 states. [2023-04-03 07:31:07,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7962 to 7919. [2023-04-03 07:31:07,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7919 states, 4173 states have (on average 1.1670261202971484) internal successors, (4870), 4292 states have internal predecessors, (4870), 2574 states have call successors, (2574), 1181 states have call predecessors, (2574), 1169 states have return successors, (2588), 2522 states have call predecessors, (2588), 2570 states have call successors, (2588) [2023-04-03 07:31:07,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7919 states to 7919 states and 10032 transitions. [2023-04-03 07:31:07,505 INFO L78 Accepts]: Start accepts. Automaton has 7919 states and 10032 transitions. Word has length 205 [2023-04-03 07:31:07,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:31:07,506 INFO L495 AbstractCegarLoop]: Abstraction has 7919 states and 10032 transitions. [2023-04-03 07:31:07,506 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 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 07:31:07,506 INFO L276 IsEmpty]: Start isEmpty. Operand 7919 states and 10032 transitions. [2023-04-03 07:31:07,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2023-04-03 07:31:07,508 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:31:07,509 INFO L195 NwaCegarLoop]: trace histogram [17, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 07:31:07,509 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-03 07:31:07,509 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 07:31:07,509 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:31:07,509 INFO L85 PathProgramCache]: Analyzing trace with hash -909829004, now seen corresponding path program 1 times [2023-04-03 07:31:07,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:31:07,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1881549346] [2023-04-03 07:31:07,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:31:07,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:31:07,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:31:08,107 INFO L134 CoverageAnalysis]: Checked inductivity of 992 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 992 trivial. 0 not checked. [2023-04-03 07:31:08,107 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:31:08,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1881549346] [2023-04-03 07:31:08,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1881549346] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:31:08,107 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:31:08,107 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 07:31:08,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334864324] [2023-04-03 07:31:08,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:31:08,108 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 07:31:08,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:31:08,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 07:31:08,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 07:31:08,109 INFO L87 Difference]: Start difference. First operand 7919 states and 10032 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2023-04-03 07:31:10,149 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:31:12,410 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:31:17,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:31:17,013 INFO L93 Difference]: Finished difference Result 23413 states and 29808 transitions. [2023-04-03 07:31:17,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 07:31:17,014 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 208 [2023-04-03 07:31:17,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:31:17,088 INFO L225 Difference]: With dead ends: 23413 [2023-04-03 07:31:17,088 INFO L226 Difference]: Without dead ends: 15540 [2023-04-03 07:31:17,114 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 07:31:17,117 INFO L413 NwaCegarLoop]: 2828 mSDtfsCounter, 3081 mSDsluCounter, 2735 mSDsCounter, 0 mSdLazyCounter, 741 mSolverCounterSat, 6 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3081 SdHoareTripleChecker+Valid, 5563 SdHoareTripleChecker+Invalid, 749 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 741 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.4s IncrementalHoareTripleChecker+Time [2023-04-03 07:31:17,117 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3081 Valid, 5563 Invalid, 749 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 741 Invalid, 2 Unknown, 0 Unchecked, 8.4s Time] [2023-04-03 07:31:17,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15540 states. [2023-04-03 07:31:17,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15540 to 15481. [2023-04-03 07:31:17,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15481 states, 8185 states have (on average 1.1679902260232131) internal successors, (9560), 8426 states have internal predecessors, (9560), 5026 states have call successors, (5026), 2313 states have call predecessors, (5026), 2267 states have return successors, (5150), 4890 states have call predecessors, (5150), 5022 states have call successors, (5150) [2023-04-03 07:31:17,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15481 states to 15481 states and 19736 transitions. [2023-04-03 07:31:17,602 INFO L78 Accepts]: Start accepts. Automaton has 15481 states and 19736 transitions. Word has length 208 [2023-04-03 07:31:17,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:31:17,603 INFO L495 AbstractCegarLoop]: Abstraction has 15481 states and 19736 transitions. [2023-04-03 07:31:17,604 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2023-04-03 07:31:17,604 INFO L276 IsEmpty]: Start isEmpty. Operand 15481 states and 19736 transitions. [2023-04-03 07:31:17,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2023-04-03 07:31:17,606 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:31:17,606 INFO L195 NwaCegarLoop]: trace histogram [17, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 07:31:17,607 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-03 07:31:17,607 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 07:31:17,613 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:31:17,613 INFO L85 PathProgramCache]: Analyzing trace with hash -1954857172, now seen corresponding path program 1 times [2023-04-03 07:31:17,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:31:17,613 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [652418975] [2023-04-03 07:31:17,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:31:17,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:31:17,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:31:18,134 INFO L134 CoverageAnalysis]: Checked inductivity of 992 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 992 trivial. 0 not checked. [2023-04-03 07:31:18,134 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:31:18,134 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [652418975] [2023-04-03 07:31:18,134 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [652418975] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:31:18,135 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:31:18,135 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 07:31:18,135 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759727880] [2023-04-03 07:31:18,135 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:31:18,135 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 07:31:18,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:31:18,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 07:31:18,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 07:31:18,136 INFO L87 Difference]: Start difference. First operand 15481 states and 19736 transitions. Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (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 07:31:20,189 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:31:22,515 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.32s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:31:28,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:31:28,869 INFO L93 Difference]: Finished difference Result 27654 states and 35290 transitions. [2023-04-03 07:31:28,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 07:31:28,870 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (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 208 [2023-04-03 07:31:28,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:31:28,985 INFO L225 Difference]: With dead ends: 27654 [2023-04-03 07:31:28,985 INFO L226 Difference]: Without dead ends: 12219 [2023-04-03 07:31:29,075 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 07:31:29,078 INFO L413 NwaCegarLoop]: 4810 mSDtfsCounter, 2440 mSDsluCounter, 2755 mSDsCounter, 0 mSdLazyCounter, 1048 mSolverCounterSat, 16 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2440 SdHoareTripleChecker+Valid, 7565 SdHoareTripleChecker+Invalid, 1066 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 1048 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.3s IncrementalHoareTripleChecker+Time [2023-04-03 07:31:29,079 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2440 Valid, 7565 Invalid, 1066 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 1048 Invalid, 2 Unknown, 0 Unchecked, 10.3s Time] [2023-04-03 07:31:29,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12219 states. [2023-04-03 07:31:29,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12219 to 12161. [2023-04-03 07:31:29,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12161 states, 6485 states have (on average 1.1680801850424056) internal successors, (7575), 6681 states have internal predecessors, (7575), 3883 states have call successors, (3883), 1829 states have call predecessors, (3883), 1790 states have return successors, (3981), 3764 states have call predecessors, (3981), 3879 states have call successors, (3981) [2023-04-03 07:31:29,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12161 states to 12161 states and 15439 transitions. [2023-04-03 07:31:29,382 INFO L78 Accepts]: Start accepts. Automaton has 12161 states and 15439 transitions. Word has length 208 [2023-04-03 07:31:29,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:31:29,383 INFO L495 AbstractCegarLoop]: Abstraction has 12161 states and 15439 transitions. [2023-04-03 07:31:29,383 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (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 07:31:29,383 INFO L276 IsEmpty]: Start isEmpty. Operand 12161 states and 15439 transitions. [2023-04-03 07:31:29,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2023-04-03 07:31:29,385 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:31:29,386 INFO L195 NwaCegarLoop]: trace histogram [20, 16, 16, 16, 16, 16, 16, 4, 4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 07:31:29,386 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-03 07:31:29,386 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 07:31:29,386 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:31:29,386 INFO L85 PathProgramCache]: Analyzing trace with hash -69949967, now seen corresponding path program 1 times [2023-04-03 07:31:29,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:31:29,386 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174924927] [2023-04-03 07:31:29,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:31:29,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:31:29,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:31:30,147 INFO L134 CoverageAnalysis]: Checked inductivity of 1125 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1122 trivial. 0 not checked. [2023-04-03 07:31:30,148 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:31:30,148 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [174924927] [2023-04-03 07:31:30,148 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [174924927] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:31:30,148 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:31:30,148 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 07:31:30,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685864334] [2023-04-03 07:31:30,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:31:30,149 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 07:31:30,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:31:30,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 07:31:30,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 07:31:30,149 INFO L87 Difference]: Start difference. First operand 12161 states and 15439 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 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 07:31:32,188 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:31:34,456 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:31:36,731 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:31:43,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:31:43,482 INFO L93 Difference]: Finished difference Result 12167 states and 15444 transitions. [2023-04-03 07:31:43,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 07:31:43,500 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 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 260 [2023-04-03 07:31:43,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:31:43,563 INFO L225 Difference]: With dead ends: 12167 [2023-04-03 07:31:43,564 INFO L226 Difference]: Without dead ends: 12165 [2023-04-03 07:31:43,571 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-04-03 07:31:43,572 INFO L413 NwaCegarLoop]: 2798 mSDtfsCounter, 3146 mSDsluCounter, 5581 mSDsCounter, 0 mSdLazyCounter, 1123 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3160 SdHoareTripleChecker+Valid, 8379 SdHoareTripleChecker+Invalid, 1127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1123 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.8s IncrementalHoareTripleChecker+Time [2023-04-03 07:31:43,572 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3160 Valid, 8379 Invalid, 1127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1123 Invalid, 3 Unknown, 0 Unchecked, 12.8s Time] [2023-04-03 07:31:43,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12165 states. [2023-04-03 07:31:43,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12165 to 12165. [2023-04-03 07:31:43,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12165 states, 6488 states have (on average 1.1680024660912454) internal successors, (7578), 6684 states have internal predecessors, (7578), 3883 states have call successors, (3883), 1830 states have call predecessors, (3883), 1791 states have return successors, (3981), 3764 states have call predecessors, (3981), 3879 states have call successors, (3981) [2023-04-03 07:31:43,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12165 states to 12165 states and 15442 transitions. [2023-04-03 07:31:43,946 INFO L78 Accepts]: Start accepts. Automaton has 12165 states and 15442 transitions. Word has length 260 [2023-04-03 07:31:43,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:31:43,947 INFO L495 AbstractCegarLoop]: Abstraction has 12165 states and 15442 transitions. [2023-04-03 07:31:43,948 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 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 07:31:43,948 INFO L276 IsEmpty]: Start isEmpty. Operand 12165 states and 15442 transitions. [2023-04-03 07:31:43,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2023-04-03 07:31:43,950 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:31:43,950 INFO L195 NwaCegarLoop]: trace histogram [20, 16, 16, 16, 16, 16, 16, 4, 4, 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] [2023-04-03 07:31:43,950 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-04-03 07:31:43,951 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 07:31:43,951 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:31:43,951 INFO L85 PathProgramCache]: Analyzing trace with hash 1030801842, now seen corresponding path program 1 times [2023-04-03 07:31:43,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:31:43,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [128514443] [2023-04-03 07:31:43,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:31:43,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:31:44,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:31:44,741 INFO L134 CoverageAnalysis]: Checked inductivity of 1127 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1122 trivial. 0 not checked. [2023-04-03 07:31:44,741 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:31:44,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [128514443] [2023-04-03 07:31:44,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [128514443] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:31:44,741 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:31:44,741 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 07:31:44,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1203106448] [2023-04-03 07:31:44,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:31:44,742 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 07:31:44,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:31:44,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 07:31:44,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 07:31:44,743 INFO L87 Difference]: Start difference. First operand 12165 states and 15442 transitions. Second operand has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 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 07:31:46,891 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:31:49,173 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.28s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:31:51,450 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.28s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:31:58,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:31:58,395 INFO L93 Difference]: Finished difference Result 12171 states and 15447 transitions. [2023-04-03 07:31:58,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 07:31:58,397 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 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 265 [2023-04-03 07:31:58,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:31:58,437 INFO L225 Difference]: With dead ends: 12171 [2023-04-03 07:31:58,437 INFO L226 Difference]: Without dead ends: 12169 [2023-04-03 07:31:58,443 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-04-03 07:31:58,444 INFO L413 NwaCegarLoop]: 2801 mSDtfsCounter, 3141 mSDsluCounter, 5581 mSDsCounter, 0 mSdLazyCounter, 1123 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3154 SdHoareTripleChecker+Valid, 8382 SdHoareTripleChecker+Invalid, 1127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1123 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.2s IncrementalHoareTripleChecker+Time [2023-04-03 07:31:58,444 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3154 Valid, 8382 Invalid, 1127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1123 Invalid, 3 Unknown, 0 Unchecked, 13.2s Time] [2023-04-03 07:31:58,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12169 states. [2023-04-03 07:31:58,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12169 to 12169. [2023-04-03 07:31:58,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12169 states, 6491 states have (on average 1.1679248189801263) internal successors, (7581), 6687 states have internal predecessors, (7581), 3883 states have call successors, (3883), 1831 states have call predecessors, (3883), 1792 states have return successors, (3981), 3764 states have call predecessors, (3981), 3879 states have call successors, (3981) [2023-04-03 07:31:58,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12169 states to 12169 states and 15445 transitions. [2023-04-03 07:31:58,834 INFO L78 Accepts]: Start accepts. Automaton has 12169 states and 15445 transitions. Word has length 265 [2023-04-03 07:31:58,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:31:58,836 INFO L495 AbstractCegarLoop]: Abstraction has 12169 states and 15445 transitions. [2023-04-03 07:31:58,837 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 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 07:31:58,837 INFO L276 IsEmpty]: Start isEmpty. Operand 12169 states and 15445 transitions. [2023-04-03 07:31:58,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2023-04-03 07:31:58,839 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:31:58,839 INFO L195 NwaCegarLoop]: trace histogram [20, 16, 16, 16, 16, 16, 16, 4, 4, 3, 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] [2023-04-03 07:31:58,839 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-04-03 07:31:58,839 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 07:31:58,840 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:31:58,840 INFO L85 PathProgramCache]: Analyzing trace with hash -1603867055, now seen corresponding path program 1 times [2023-04-03 07:31:58,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:31:58,840 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1399002483] [2023-04-03 07:31:58,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:31:58,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:31:58,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:31:59,658 INFO L134 CoverageAnalysis]: Checked inductivity of 1133 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 1126 trivial. 0 not checked. [2023-04-03 07:31:59,658 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:31:59,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1399002483] [2023-04-03 07:31:59,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1399002483] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:31:59,659 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:31:59,659 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 07:31:59,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1660989718] [2023-04-03 07:31:59,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:31:59,659 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 07:31:59,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:31:59,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 07:31:59,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 07:31:59,660 INFO L87 Difference]: Start difference. First operand 12169 states and 15445 transitions. Second operand has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 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 07:32:01,700 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:32:03,984 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.28s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:32:06,242 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:32:13,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:32:13,271 INFO L93 Difference]: Finished difference Result 12175 states and 15450 transitions. [2023-04-03 07:32:13,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 07:32:13,273 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 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 270 [2023-04-03 07:32:13,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:32:13,307 INFO L225 Difference]: With dead ends: 12175 [2023-04-03 07:32:13,308 INFO L226 Difference]: Without dead ends: 12173 [2023-04-03 07:32:13,313 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-04-03 07:32:13,314 INFO L413 NwaCegarLoop]: 2801 mSDtfsCounter, 3141 mSDsluCounter, 5581 mSDsCounter, 0 mSdLazyCounter, 1123 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3153 SdHoareTripleChecker+Valid, 8382 SdHoareTripleChecker+Invalid, 1127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1123 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.0s IncrementalHoareTripleChecker+Time [2023-04-03 07:32:13,314 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3153 Valid, 8382 Invalid, 1127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1123 Invalid, 3 Unknown, 0 Unchecked, 13.0s Time] [2023-04-03 07:32:13,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12173 states. [2023-04-03 07:32:13,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12173 to 12173. [2023-04-03 07:32:13,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12173 states, 6494 states have (on average 1.1678472436094858) internal successors, (7584), 6690 states have internal predecessors, (7584), 3883 states have call successors, (3883), 1832 states have call predecessors, (3883), 1793 states have return successors, (3981), 3764 states have call predecessors, (3981), 3879 states have call successors, (3981) [2023-04-03 07:32:13,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12173 states to 12173 states and 15448 transitions. [2023-04-03 07:32:13,706 INFO L78 Accepts]: Start accepts. Automaton has 12173 states and 15448 transitions. Word has length 270 [2023-04-03 07:32:13,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:32:13,707 INFO L495 AbstractCegarLoop]: Abstraction has 12173 states and 15448 transitions. [2023-04-03 07:32:13,707 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 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 07:32:13,707 INFO L276 IsEmpty]: Start isEmpty. Operand 12173 states and 15448 transitions. [2023-04-03 07:32:13,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2023-04-03 07:32:13,709 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:32:13,709 INFO L195 NwaCegarLoop]: trace histogram [20, 16, 16, 16, 16, 16, 16, 4, 4, 4, 3, 3, 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] [2023-04-03 07:32:13,709 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-04-03 07:32:13,710 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 07:32:13,710 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:32:13,710 INFO L85 PathProgramCache]: Analyzing trace with hash 622259410, now seen corresponding path program 1 times [2023-04-03 07:32:13,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:32:13,711 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [209991887] [2023-04-03 07:32:13,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:32:13,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:32:13,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:32:14,477 INFO L134 CoverageAnalysis]: Checked inductivity of 1143 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 1134 trivial. 0 not checked. [2023-04-03 07:32:14,477 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:32:14,477 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [209991887] [2023-04-03 07:32:14,477 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [209991887] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:32:14,477 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:32:14,477 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 07:32:14,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575347970] [2023-04-03 07:32:14,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:32:14,478 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 07:32:14,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:32:14,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 07:32:14,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 07:32:14,479 INFO L87 Difference]: Start difference. First operand 12173 states and 15448 transitions. Second operand has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (44), 3 states have call predecessors, (44), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2023-04-03 07:32:16,521 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:32:18,792 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:32:21,051 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:32:27,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:32:27,897 INFO L93 Difference]: Finished difference Result 12179 states and 15453 transitions. [2023-04-03 07:32:27,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 07:32:27,899 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (44), 3 states have call predecessors, (44), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) Word has length 275 [2023-04-03 07:32:27,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:32:27,978 INFO L225 Difference]: With dead ends: 12179 [2023-04-03 07:32:27,978 INFO L226 Difference]: Without dead ends: 12177 [2023-04-03 07:32:27,997 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-04-03 07:32:28,009 INFO L413 NwaCegarLoop]: 2801 mSDtfsCounter, 3141 mSDsluCounter, 5581 mSDsCounter, 0 mSdLazyCounter, 1123 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3152 SdHoareTripleChecker+Valid, 8382 SdHoareTripleChecker+Invalid, 1127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1123 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.8s IncrementalHoareTripleChecker+Time [2023-04-03 07:32:28,010 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3152 Valid, 8382 Invalid, 1127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1123 Invalid, 3 Unknown, 0 Unchecked, 12.8s Time] [2023-04-03 07:32:28,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12177 states. [2023-04-03 07:32:28,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12177 to 12177. [2023-04-03 07:32:28,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12177 states, 6497 states have (on average 1.1677697398799445) internal successors, (7587), 6693 states have internal predecessors, (7587), 3883 states have call successors, (3883), 1833 states have call predecessors, (3883), 1794 states have return successors, (3981), 3764 states have call predecessors, (3981), 3879 states have call successors, (3981) [2023-04-03 07:32:28,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12177 states to 12177 states and 15451 transitions. [2023-04-03 07:32:28,488 INFO L78 Accepts]: Start accepts. Automaton has 12177 states and 15451 transitions. Word has length 275 [2023-04-03 07:32:28,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:32:28,488 INFO L495 AbstractCegarLoop]: Abstraction has 12177 states and 15451 transitions. [2023-04-03 07:32:28,488 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (44), 3 states have call predecessors, (44), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2023-04-03 07:32:28,488 INFO L276 IsEmpty]: Start isEmpty. Operand 12177 states and 15451 transitions. [2023-04-03 07:32:28,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2023-04-03 07:32:28,491 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:32:28,491 INFO L195 NwaCegarLoop]: trace histogram [20, 16, 16, 16, 16, 16, 16, 5, 4, 4, 4, 4, 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] [2023-04-03 07:32:28,491 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-04-03 07:32:28,491 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 07:32:28,492 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:32:28,492 INFO L85 PathProgramCache]: Analyzing trace with hash -2131497295, now seen corresponding path program 1 times [2023-04-03 07:32:28,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:32:28,492 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [939661523] [2023-04-03 07:32:28,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:32:28,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:32:28,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:32:29,226 INFO L134 CoverageAnalysis]: Checked inductivity of 1157 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 1146 trivial. 0 not checked. [2023-04-03 07:32:29,226 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:32:29,226 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [939661523] [2023-04-03 07:32:29,226 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [939661523] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:32:29,227 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:32:29,227 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 07:32:29,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1794256472] [2023-04-03 07:32:29,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:32:29,227 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 07:32:29,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:32:29,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 07:32:29,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 07:32:29,228 INFO L87 Difference]: Start difference. First operand 12177 states and 15451 transitions. Second operand has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 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 07:32:31,269 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:32:33,537 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:32:35,809 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:32:43,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:32:43,139 INFO L93 Difference]: Finished difference Result 12183 states and 15456 transitions. [2023-04-03 07:32:43,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 07:32:43,141 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 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 280 [2023-04-03 07:32:43,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:32:43,173 INFO L225 Difference]: With dead ends: 12183 [2023-04-03 07:32:43,173 INFO L226 Difference]: Without dead ends: 12181 [2023-04-03 07:32:43,177 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-04-03 07:32:43,177 INFO L413 NwaCegarLoop]: 2801 mSDtfsCounter, 3141 mSDsluCounter, 5581 mSDsCounter, 0 mSdLazyCounter, 1123 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3151 SdHoareTripleChecker+Valid, 8382 SdHoareTripleChecker+Invalid, 1127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1123 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.3s IncrementalHoareTripleChecker+Time [2023-04-03 07:32:43,177 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3151 Valid, 8382 Invalid, 1127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1123 Invalid, 3 Unknown, 0 Unchecked, 13.3s Time] [2023-04-03 07:32:43,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12181 states. [2023-04-03 07:32:43,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12181 to 12181. [2023-04-03 07:32:43,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12181 states, 6500 states have (on average 1.1676923076923076) internal successors, (7590), 6696 states have internal predecessors, (7590), 3883 states have call successors, (3883), 1834 states have call predecessors, (3883), 1795 states have return successors, (3981), 3764 states have call predecessors, (3981), 3879 states have call successors, (3981) [2023-04-03 07:32:43,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12181 states to 12181 states and 15454 transitions. [2023-04-03 07:32:43,746 INFO L78 Accepts]: Start accepts. Automaton has 12181 states and 15454 transitions. Word has length 280 [2023-04-03 07:32:43,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:32:43,747 INFO L495 AbstractCegarLoop]: Abstraction has 12181 states and 15454 transitions. [2023-04-03 07:32:43,747 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 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 07:32:43,747 INFO L276 IsEmpty]: Start isEmpty. Operand 12181 states and 15454 transitions. [2023-04-03 07:32:43,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2023-04-03 07:32:43,750 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:32:43,750 INFO L195 NwaCegarLoop]: trace histogram [20, 16, 16, 16, 16, 16, 16, 6, 5, 5, 4, 4, 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] [2023-04-03 07:32:43,750 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-04-03 07:32:43,752 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 07:32:43,752 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:32:43,752 INFO L85 PathProgramCache]: Analyzing trace with hash 951408626, now seen corresponding path program 1 times [2023-04-03 07:32:43,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:32:43,752 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [645529035] [2023-04-03 07:32:43,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:32:43,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:32:43,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:32:44,444 INFO L134 CoverageAnalysis]: Checked inductivity of 1175 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 1162 trivial. 0 not checked. [2023-04-03 07:32:44,444 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:32:44,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [645529035] [2023-04-03 07:32:44,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [645529035] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:32:44,444 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:32:44,444 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 07:32:44,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191646813] [2023-04-03 07:32:44,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:32:44,445 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 07:32:44,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:32:44,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 07:32:44,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 07:32:44,446 INFO L87 Difference]: Start difference. First operand 12181 states and 15454 transitions. Second operand has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 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 07:32:46,514 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:32:48,779 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:32:51,039 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:32:58,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:32:58,175 INFO L93 Difference]: Finished difference Result 12187 states and 15459 transitions. [2023-04-03 07:32:58,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 07:32:58,177 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 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 285 [2023-04-03 07:32:58,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:32:58,234 INFO L225 Difference]: With dead ends: 12187 [2023-04-03 07:32:58,234 INFO L226 Difference]: Without dead ends: 12185 [2023-04-03 07:32:58,240 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-04-03 07:32:58,240 INFO L413 NwaCegarLoop]: 2801 mSDtfsCounter, 3141 mSDsluCounter, 5581 mSDsCounter, 0 mSdLazyCounter, 1123 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3150 SdHoareTripleChecker+Valid, 8382 SdHoareTripleChecker+Invalid, 1127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1123 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.0s IncrementalHoareTripleChecker+Time [2023-04-03 07:32:58,241 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3150 Valid, 8382 Invalid, 1127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1123 Invalid, 3 Unknown, 0 Unchecked, 13.0s Time] [2023-04-03 07:32:58,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12185 states. [2023-04-03 07:32:58,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12185 to 12185. [2023-04-03 07:32:58,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12185 states, 6503 states have (on average 1.1676149469475627) internal successors, (7593), 6699 states have internal predecessors, (7593), 3883 states have call successors, (3883), 1835 states have call predecessors, (3883), 1796 states have return successors, (3981), 3764 states have call predecessors, (3981), 3879 states have call successors, (3981) [2023-04-03 07:32:58,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12185 states to 12185 states and 15457 transitions. [2023-04-03 07:32:58,861 INFO L78 Accepts]: Start accepts. Automaton has 12185 states and 15457 transitions. Word has length 285 [2023-04-03 07:32:58,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:32:58,862 INFO L495 AbstractCegarLoop]: Abstraction has 12185 states and 15457 transitions. [2023-04-03 07:32:58,862 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 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 07:32:58,862 INFO L276 IsEmpty]: Start isEmpty. Operand 12185 states and 15457 transitions. [2023-04-03 07:32:58,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2023-04-03 07:32:58,864 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:32:58,864 INFO L195 NwaCegarLoop]: trace histogram [20, 16, 16, 16, 16, 16, 16, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 07:32:58,864 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-04-03 07:32:58,864 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 07:32:58,865 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:32:58,865 INFO L85 PathProgramCache]: Analyzing trace with hash 30785296, now seen corresponding path program 1 times [2023-04-03 07:32:58,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:32:58,865 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1537021037] [2023-04-03 07:32:58,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:32:58,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:32:59,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:32:59,489 INFO L134 CoverageAnalysis]: Checked inductivity of 1121 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1118 trivial. 0 not checked. [2023-04-03 07:32:59,490 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:32:59,490 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1537021037] [2023-04-03 07:32:59,490 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1537021037] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:32:59,490 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:32:59,490 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 07:32:59,490 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1376177284] [2023-04-03 07:32:59,490 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:32:59,490 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 07:32:59,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:32:59,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 07:32:59,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 07:32:59,491 INFO L87 Difference]: Start difference. First operand 12185 states and 15457 transitions. Second operand has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 3 states have call successors, (49), 3 states have call predecessors, (49), 2 states have return successors, (41), 3 states have call predecessors, (41), 3 states have call successors, (41) [2023-04-03 07:33:01,533 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:33:03,804 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:33:10,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:33:10,722 INFO L93 Difference]: Finished difference Result 28506 states and 36241 transitions. [2023-04-03 07:33:10,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 07:33:10,723 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 3 states have call successors, (49), 3 states have call predecessors, (49), 2 states have return successors, (41), 3 states have call predecessors, (41), 3 states have call successors, (41) Word has length 288 [2023-04-03 07:33:10,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:33:10,843 INFO L225 Difference]: With dead ends: 28506 [2023-04-03 07:33:10,843 INFO L226 Difference]: Without dead ends: 16413 [2023-04-03 07:33:10,869 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 07:33:10,870 INFO L413 NwaCegarLoop]: 4841 mSDtfsCounter, 2418 mSDsluCounter, 2756 mSDsCounter, 0 mSdLazyCounter, 1058 mSolverCounterSat, 15 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2418 SdHoareTripleChecker+Valid, 7597 SdHoareTripleChecker+Invalid, 1075 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 1058 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.4s IncrementalHoareTripleChecker+Time [2023-04-03 07:33:10,870 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2418 Valid, 7597 Invalid, 1075 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 1058 Invalid, 2 Unknown, 0 Unchecked, 10.4s Time] [2023-04-03 07:33:10,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16413 states. [2023-04-03 07:33:11,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16413 to 16331. [2023-04-03 07:33:11,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16331 states, 8752 states have (on average 1.1692184643510055) internal successors, (10233), 9010 states have internal predecessors, (10233), 5177 states have call successors, (5177), 2458 states have call predecessors, (5177), 2399 states have return successors, (5308), 5015 states have call predecessors, (5308), 5173 states have call successors, (5308) [2023-04-03 07:33:11,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16331 states to 16331 states and 20718 transitions. [2023-04-03 07:33:11,603 INFO L78 Accepts]: Start accepts. Automaton has 16331 states and 20718 transitions. Word has length 288 [2023-04-03 07:33:11,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:33:11,604 INFO L495 AbstractCegarLoop]: Abstraction has 16331 states and 20718 transitions. [2023-04-03 07:33:11,604 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 3 states have call successors, (49), 3 states have call predecessors, (49), 2 states have return successors, (41), 3 states have call predecessors, (41), 3 states have call successors, (41) [2023-04-03 07:33:11,604 INFO L276 IsEmpty]: Start isEmpty. Operand 16331 states and 20718 transitions. [2023-04-03 07:33:11,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2023-04-03 07:33:11,606 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:33:11,606 INFO L195 NwaCegarLoop]: trace histogram [20, 16, 16, 16, 16, 16, 16, 7, 6, 6, 4, 4, 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] [2023-04-03 07:33:11,606 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-04-03 07:33:11,606 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 07:33:11,606 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:33:11,606 INFO L85 PathProgramCache]: Analyzing trace with hash -847927535, now seen corresponding path program 1 times [2023-04-03 07:33:11,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:33:11,607 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [289525754] [2023-04-03 07:33:11,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:33:11,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:33:11,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:33:12,347 INFO L134 CoverageAnalysis]: Checked inductivity of 1197 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 1182 trivial. 0 not checked. [2023-04-03 07:33:12,348 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:33:12,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [289525754] [2023-04-03 07:33:12,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [289525754] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:33:12,348 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:33:12,348 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 07:33:12,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1665407477] [2023-04-03 07:33:12,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:33:12,349 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 07:33:12,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:33:12,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 07:33:12,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 07:33:12,349 INFO L87 Difference]: Start difference. First operand 16331 states and 20718 transitions. Second operand has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 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 07:33:14,388 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:33:16,650 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:33:18,911 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:33:27,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:33:27,424 INFO L93 Difference]: Finished difference Result 18723 states and 23483 transitions. [2023-04-03 07:33:27,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 07:33:27,426 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 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 290 [2023-04-03 07:33:27,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:33:27,467 INFO L225 Difference]: With dead ends: 18723 [2023-04-03 07:33:27,467 INFO L226 Difference]: Without dead ends: 18721 [2023-04-03 07:33:27,472 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-04-03 07:33:27,472 INFO L413 NwaCegarLoop]: 2961 mSDtfsCounter, 2380 mSDsluCounter, 6947 mSDsCounter, 0 mSdLazyCounter, 1354 mSolverCounterSat, 2 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2388 SdHoareTripleChecker+Valid, 9908 SdHoareTripleChecker+Invalid, 1359 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1354 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.0s IncrementalHoareTripleChecker+Time [2023-04-03 07:33:27,473 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2388 Valid, 9908 Invalid, 1359 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1354 Invalid, 3 Unknown, 0 Unchecked, 14.0s Time] [2023-04-03 07:33:27,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18721 states. [2023-04-03 07:33:28,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18721 to 18721. [2023-04-03 07:33:28,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18721 states, 10013 states have (on average 1.1616898032557674) internal successors, (11632), 10293 states have internal predecessors, (11632), 5859 states have call successors, (5859), 2905 states have call predecessors, (5859), 2846 states have return successors, (5990), 5697 states have call predecessors, (5990), 5855 states have call successors, (5990) [2023-04-03 07:33:28,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18721 states to 18721 states and 23481 transitions. [2023-04-03 07:33:28,323 INFO L78 Accepts]: Start accepts. Automaton has 18721 states and 23481 transitions. Word has length 290 [2023-04-03 07:33:28,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:33:28,333 INFO L495 AbstractCegarLoop]: Abstraction has 18721 states and 23481 transitions. [2023-04-03 07:33:28,333 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 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 07:33:28,333 INFO L276 IsEmpty]: Start isEmpty. Operand 18721 states and 23481 transitions. [2023-04-03 07:33:28,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2023-04-03 07:33:28,351 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:33:28,351 INFO L195 NwaCegarLoop]: trace histogram [20, 16, 16, 16, 16, 16, 16, 8, 7, 7, 4, 4, 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] [2023-04-03 07:33:28,351 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-04-03 07:33:28,351 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 07:33:28,351 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:33:28,351 INFO L85 PathProgramCache]: Analyzing trace with hash 881986322, now seen corresponding path program 1 times [2023-04-03 07:33:28,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:33:28,352 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1868109071] [2023-04-03 07:33:28,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:33:28,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:33:28,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:33:29,420 INFO L134 CoverageAnalysis]: Checked inductivity of 1223 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 1206 trivial. 0 not checked. [2023-04-03 07:33:29,421 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:33:29,421 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1868109071] [2023-04-03 07:33:29,421 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1868109071] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:33:29,421 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:33:29,421 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 07:33:29,421 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [290396991] [2023-04-03 07:33:29,421 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:33:29,422 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 07:33:29,422 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:33:29,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 07:33:29,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 07:33:29,422 INFO L87 Difference]: Start difference. First operand 18721 states and 23481 transitions. Second operand has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (48), 3 states have call predecessors, (48), 2 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2023-04-03 07:33:31,462 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:33:33,740 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.28s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:33:36,004 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:33:43,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:33:43,668 INFO L93 Difference]: Finished difference Result 18727 states and 23486 transitions. [2023-04-03 07:33:43,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 07:33:43,670 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 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 295 [2023-04-03 07:33:43,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:33:43,721 INFO L225 Difference]: With dead ends: 18727 [2023-04-03 07:33:43,722 INFO L226 Difference]: Without dead ends: 18725 [2023-04-03 07:33:43,727 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-04-03 07:33:43,727 INFO L413 NwaCegarLoop]: 2801 mSDtfsCounter, 3141 mSDsluCounter, 5581 mSDsCounter, 0 mSdLazyCounter, 1123 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3148 SdHoareTripleChecker+Valid, 8382 SdHoareTripleChecker+Invalid, 1127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1123 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.3s IncrementalHoareTripleChecker+Time [2023-04-03 07:33:43,727 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3148 Valid, 8382 Invalid, 1127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1123 Invalid, 3 Unknown, 0 Unchecked, 13.3s Time] [2023-04-03 07:33:43,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18725 states. [2023-04-03 07:33:44,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18725 to 18725. [2023-04-03 07:33:44,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18725 states, 10016 states have (on average 1.161641373801917) internal successors, (11635), 10296 states have internal predecessors, (11635), 5859 states have call successors, (5859), 2906 states have call predecessors, (5859), 2847 states have return successors, (5990), 5697 states have call predecessors, (5990), 5855 states have call successors, (5990) [2023-04-03 07:33:44,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18725 states to 18725 states and 23484 transitions. [2023-04-03 07:33:44,706 INFO L78 Accepts]: Start accepts. Automaton has 18725 states and 23484 transitions. Word has length 295 [2023-04-03 07:33:44,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:33:44,707 INFO L495 AbstractCegarLoop]: Abstraction has 18725 states and 23484 transitions. [2023-04-03 07:33:44,707 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (48), 3 states have call predecessors, (48), 2 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2023-04-03 07:33:44,707 INFO L276 IsEmpty]: Start isEmpty. Operand 18725 states and 23484 transitions. [2023-04-03 07:33:44,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2023-04-03 07:33:44,709 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:33:44,709 INFO L195 NwaCegarLoop]: trace histogram [20, 16, 16, 16, 16, 16, 16, 9, 8, 8, 6, 6, 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 07:33:44,709 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-04-03 07:33:44,709 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 07:33:44,710 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:33:44,710 INFO L85 PathProgramCache]: Analyzing trace with hash -777876754, now seen corresponding path program 1 times [2023-04-03 07:33:44,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:33:44,710 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2098837279] [2023-04-03 07:33:44,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:33:44,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:33:44,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:33:45,367 INFO L134 CoverageAnalysis]: Checked inductivity of 1279 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 1261 trivial. 0 not checked. [2023-04-03 07:33:45,368 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:33:45,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2098837279] [2023-04-03 07:33:45,368 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2098837279] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:33:45,368 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:33:45,368 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 07:33:45,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [344090890] [2023-04-03 07:33:45,368 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:33:45,369 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 07:33:45,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:33:45,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 07:33:45,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 07:33:45,369 INFO L87 Difference]: Start difference. First operand 18725 states and 23484 transitions. Second operand has 5 states, 5 states have (on average 15.2) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (58), 3 states have call predecessors, (58), 2 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) [2023-04-03 07:33:47,408 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:33:49,671 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:33:51,938 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:33:59,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:33:59,889 INFO L93 Difference]: Finished difference Result 18731 states and 23489 transitions. [2023-04-03 07:33:59,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 07:33:59,891 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (58), 3 states have call predecessors, (58), 2 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) Word has length 332 [2023-04-03 07:33:59,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:33:59,932 INFO L225 Difference]: With dead ends: 18731 [2023-04-03 07:33:59,933 INFO L226 Difference]: Without dead ends: 18729 [2023-04-03 07:33:59,937 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-04-03 07:33:59,938 INFO L413 NwaCegarLoop]: 2801 mSDtfsCounter, 3140 mSDsluCounter, 5581 mSDsCounter, 0 mSdLazyCounter, 1123 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3146 SdHoareTripleChecker+Valid, 8382 SdHoareTripleChecker+Invalid, 1127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1123 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.3s IncrementalHoareTripleChecker+Time [2023-04-03 07:33:59,938 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3146 Valid, 8382 Invalid, 1127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1123 Invalid, 3 Unknown, 0 Unchecked, 13.3s Time] [2023-04-03 07:33:59,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18729 states. [2023-04-03 07:34:00,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18729 to 18729. [2023-04-03 07:34:00,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18729 states, 10019 states have (on average 1.1615929733506338) internal successors, (11638), 10299 states have internal predecessors, (11638), 5859 states have call successors, (5859), 2907 states have call predecessors, (5859), 2848 states have return successors, (5990), 5697 states have call predecessors, (5990), 5855 states have call successors, (5990) [2023-04-03 07:34:00,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18729 states to 18729 states and 23487 transitions. [2023-04-03 07:34:00,936 INFO L78 Accepts]: Start accepts. Automaton has 18729 states and 23487 transitions. Word has length 332 [2023-04-03 07:34:00,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:34:00,936 INFO L495 AbstractCegarLoop]: Abstraction has 18729 states and 23487 transitions. [2023-04-03 07:34:00,937 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (58), 3 states have call predecessors, (58), 2 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) [2023-04-03 07:34:00,937 INFO L276 IsEmpty]: Start isEmpty. Operand 18729 states and 23487 transitions. [2023-04-03 07:34:00,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 338 [2023-04-03 07:34:00,939 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:34:00,939 INFO L195 NwaCegarLoop]: trace histogram [20, 16, 16, 16, 16, 16, 16, 10, 9, 9, 6, 6, 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] [2023-04-03 07:34:00,939 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-04-03 07:34:00,939 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 07:34:00,939 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:34:00,939 INFO L85 PathProgramCache]: Analyzing trace with hash -1051445035, now seen corresponding path program 1 times [2023-04-03 07:34:00,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:34:00,940 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2067911141] [2023-04-03 07:34:00,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:34:00,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:34:01,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:34:01,645 INFO L134 CoverageAnalysis]: Checked inductivity of 1313 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 1293 trivial. 0 not checked. [2023-04-03 07:34:01,645 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:34:01,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2067911141] [2023-04-03 07:34:01,645 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2067911141] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:34:01,645 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:34:01,645 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 07:34:01,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2141316313] [2023-04-03 07:34:01,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:34:01,646 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 07:34:01,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:34:01,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 07:34:01,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 07:34:01,647 INFO L87 Difference]: Start difference. First operand 18729 states and 23487 transitions. Second operand has 5 states, 5 states have (on average 15.2) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (59), 3 states have call predecessors, (59), 2 states have return successors, (55), 2 states have call predecessors, (55), 2 states have call successors, (55) [2023-04-03 07:34:03,688 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:34:05,952 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:34:08,226 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []