/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-8390-axnet_cs.cil.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-03 07:22:20,336 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-03 07:22:20,338 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-03 07:22:20,371 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-03 07:22:20,371 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-03 07:22:20,374 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-03 07:22:20,376 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-03 07:22:20,379 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-03 07:22:20,380 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-03 07:22:20,384 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-03 07:22:20,386 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-03 07:22:20,387 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-03 07:22:20,388 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-03 07:22:20,393 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-03 07:22:20,394 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-03 07:22:20,395 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-03 07:22:20,395 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-03 07:22:20,396 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-03 07:22:20,398 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-03 07:22:20,403 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-03 07:22:20,404 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-03 07:22:20,405 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-03 07:22:20,406 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-03 07:22:20,407 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-03 07:22:20,415 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-03 07:22:20,415 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-03 07:22:20,415 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-03 07:22:20,416 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-03 07:22:20,417 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-03 07:22:20,417 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-03 07:22:20,417 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-03 07:22:20,418 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-03 07:22:20,419 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-03 07:22:20,420 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-03 07:22:20,421 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-03 07:22:20,421 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-03 07:22:20,421 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-03 07:22:20,421 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-03 07:22:20,421 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-03 07:22:20,422 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-03 07:22:20,423 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-03 07:22:20,424 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 07:22:20,454 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-03 07:22:20,454 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-03 07:22:20,454 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-03 07:22:20,455 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-03 07:22:20,455 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-03 07:22:20,455 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-03 07:22:20,456 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-03 07:22:20,456 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-03 07:22:20,456 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-03 07:22:20,456 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-03 07:22:20,457 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-03 07:22:20,457 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-03 07:22:20,457 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-03 07:22:20,457 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-03 07:22:20,457 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-03 07:22:20,457 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-03 07:22:20,457 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-03 07:22:20,457 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-03 07:22:20,458 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-03 07:22:20,458 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-03 07:22:20,458 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-03 07:22:20,458 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-03 07:22:20,458 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-03 07:22:20,458 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-03 07:22:20,459 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-03 07:22:20,459 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-03 07:22:20,459 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-03 07:22:20,459 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-03 07:22:20,459 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-03 07:22:20,459 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-03 07:22:20,460 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-03 07:22:20,460 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-03 07:22:20,460 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 07:22:20,460 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-03 07:22:20,460 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-03 07:22:20,460 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-03 07:22:20,460 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-03 07:22:20,461 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-03 07:22:20,461 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-03 07:22:20,461 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-03 07:22:20,461 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-03 07:22:20,461 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-03 07:22:20,683 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-03 07:22:20,712 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-03 07:22:20,714 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-03 07:22:20,715 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-03 07:22:20,716 INFO L275 PluginConnector]: CDTParser initialized [2023-04-03 07:22:20,717 INFO L432 ainManager$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-8390-axnet_cs.cil.i [2023-04-03 07:22:21,994 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-03 07:22:22,573 INFO L351 CDTParser]: Found 1 translation units. [2023-04-03 07:22:22,574 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-8390-axnet_cs.cil.i [2023-04-03 07:22:22,636 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2179cbe9d/a7f3166010e3477a8e23276d9de18966/FLAG40b65b072 [2023-04-03 07:22:22,657 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2179cbe9d/a7f3166010e3477a8e23276d9de18966 [2023-04-03 07:22:22,659 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-03 07:22:22,661 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-03 07:22:22,664 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-03 07:22:22,664 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-03 07:22:22,667 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-03 07:22:22,668 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 07:22:22" (1/1) ... [2023-04-03 07:22:22,670 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5464c51e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 07:22:22, skipping insertion in model container [2023-04-03 07:22:22,670 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 07:22:22" (1/1) ... [2023-04-03 07:22:22,677 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-03 07:22:22,806 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-03 07:22:26,523 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-8390-axnet_cs.cil.i[315060,315073] [2023-04-03 07:22:26,527 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-8390-axnet_cs.cil.i[315229,315242] [2023-04-03 07:22:26,527 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-8390-axnet_cs.cil.i[315396,315409] [2023-04-03 07:22:26,527 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-8390-axnet_cs.cil.i[315564,315577] [2023-04-03 07:22:26,553 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 07:22:26,589 INFO L203 MainTranslator]: Completed pre-run [2023-04-03 07:22:26,870 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-8390-axnet_cs.cil.i[315060,315073] [2023-04-03 07:22:26,871 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-8390-axnet_cs.cil.i[315229,315242] [2023-04-03 07:22:26,872 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-8390-axnet_cs.cil.i[315396,315409] [2023-04-03 07:22:26,872 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-8390-axnet_cs.cil.i[315564,315577] [2023-04-03 07:22:26,879 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 07:22:27,009 INFO L208 MainTranslator]: Completed translation [2023-04-03 07:22:27,010 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 07:22:27 WrapperNode [2023-04-03 07:22:27,010 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-03 07:22:27,011 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-03 07:22:27,011 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-03 07:22:27,011 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-03 07:22:27,022 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 07:22:27" (1/1) ... [2023-04-03 07:22:27,022 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 07:22:27" (1/1) ... [2023-04-03 07:22:27,107 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 07:22:27" (1/1) ... [2023-04-03 07:22:27,108 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 07:22:27" (1/1) ... [2023-04-03 07:22:27,249 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 07:22:27" (1/1) ... [2023-04-03 07:22:27,268 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 07:22:27" (1/1) ... [2023-04-03 07:22:27,298 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 07:22:27" (1/1) ... [2023-04-03 07:22:27,328 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 07:22:27" (1/1) ... [2023-04-03 07:22:27,366 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-03 07:22:27,367 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-03 07:22:27,367 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-03 07:22:27,368 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-03 07:22:27,368 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 07:22:27" (1/1) ... [2023-04-03 07:22:27,375 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 07:22:27,386 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 07:22:27,404 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 07:22:27,435 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 07:22:27,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-03 07:22:27,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-03 07:22:27,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~TO~VOID [2023-04-03 07:22:27,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-04-03 07:22:27,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~TO~VOID [2023-04-03 07:22:27,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2023-04-03 07:22:27,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2023-04-03 07:22:27,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2023-04-03 07:22:27,452 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-04-03 07:22:27,452 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-04-03 07:22:27,452 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2023-04-03 07:22:27,453 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-04-03 07:22:27,453 INFO L138 BoogieDeclarations]: Found implementation of procedure slow_down_io [2023-04-03 07:22:27,453 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-04-03 07:22:27,453 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-04-03 07:22:27,453 INFO L138 BoogieDeclarations]: Found implementation of procedure resource_size [2023-04-03 07:22:27,453 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2023-04-03 07:22:27,453 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2023-04-03 07:22:27,453 INFO L138 BoogieDeclarations]: Found implementation of procedure outb_p [2023-04-03 07:22:27,453 INFO L138 BoogieDeclarations]: Found implementation of procedure inb_p [2023-04-03 07:22:27,453 INFO L138 BoogieDeclarations]: Found implementation of procedure inw [2023-04-03 07:22:27,453 INFO L138 BoogieDeclarations]: Found implementation of procedure outsw [2023-04-03 07:22:27,454 INFO L138 BoogieDeclarations]: Found implementation of procedure insw [2023-04-03 07:22:27,454 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2023-04-03 07:22:27,454 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2023-04-03 07:22:27,454 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_from_linear_data [2023-04-03 07:22:27,454 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-04-03 07:22:27,454 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-04-03 07:22:27,454 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2023-04-03 07:22:27,454 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2023-04-03 07:22:27,455 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2023-04-03 07:22:27,455 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-04-03 07:22:27,455 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2023-04-03 07:22:27,455 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-04-03 07:22:27,455 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2023-04-03 07:22:27,455 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_present [2023-04-03 07:22:27,455 INFO L138 BoogieDeclarations]: Found implementation of procedure if_mii [2023-04-03 07:22:27,456 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2023-04-03 07:22:27,456 INFO L138 BoogieDeclarations]: Found implementation of procedure PRIV [2023-04-03 07:22:27,457 INFO L138 BoogieDeclarations]: Found implementation of procedure axnet_probe [2023-04-03 07:22:27,457 INFO L138 BoogieDeclarations]: Found implementation of procedure axnet_detach [2023-04-03 07:22:27,457 INFO L138 BoogieDeclarations]: Found implementation of procedure get_prom [2023-04-03 07:22:27,457 INFO L138 BoogieDeclarations]: Found implementation of procedure try_io_port [2023-04-03 07:22:27,457 INFO L138 BoogieDeclarations]: Found implementation of procedure axnet_configcheck [2023-04-03 07:22:27,457 INFO L138 BoogieDeclarations]: Found implementation of procedure axnet_config [2023-04-03 07:22:27,457 INFO L138 BoogieDeclarations]: Found implementation of procedure axnet_release [2023-04-03 07:22:27,457 INFO L138 BoogieDeclarations]: Found implementation of procedure axnet_suspend [2023-04-03 07:22:27,457 INFO L138 BoogieDeclarations]: Found implementation of procedure axnet_resume [2023-04-03 07:22:27,458 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_sync [2023-04-03 07:22:27,458 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2023-04-03 07:22:27,458 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_write [2023-04-03 07:22:27,459 INFO L138 BoogieDeclarations]: Found implementation of procedure axnet_open [2023-04-03 07:22:27,459 INFO L138 BoogieDeclarations]: Found implementation of procedure axnet_close [2023-04-03 07:22:27,459 INFO L138 BoogieDeclarations]: Found implementation of procedure axnet_reset_8390 [2023-04-03 07:22:27,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ei_irq_wrapper [2023-04-03 07:22:27,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ei_watchdog [2023-04-03 07:22:27,459 INFO L138 BoogieDeclarations]: Found implementation of procedure axnet_ioctl [2023-04-03 07:22:27,459 INFO L138 BoogieDeclarations]: Found implementation of procedure get_8390_hdr [2023-04-03 07:22:27,460 INFO L138 BoogieDeclarations]: Found implementation of procedure block_input [2023-04-03 07:22:27,460 INFO L138 BoogieDeclarations]: Found implementation of procedure block_output [2023-04-03 07:22:27,460 INFO L138 BoogieDeclarations]: Found implementation of procedure axnet_cs_driver_init [2023-04-03 07:22:27,460 INFO L138 BoogieDeclarations]: Found implementation of procedure axnet_cs_driver_exit [2023-04-03 07:22:27,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ax_open [2023-04-03 07:22:27,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ax_close [2023-04-03 07:22:27,461 INFO L138 BoogieDeclarations]: Found implementation of procedure axnet_tx_timeout [2023-04-03 07:22:27,461 INFO L138 BoogieDeclarations]: Found implementation of procedure axnet_start_xmit [2023-04-03 07:22:27,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ax_interrupt [2023-04-03 07:22:27,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ei_tx_err [2023-04-03 07:22:27,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ei_tx_intr [2023-04-03 07:22:27,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ei_receive [2023-04-03 07:22:27,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ei_rx_overrun [2023-04-03 07:22:27,462 INFO L138 BoogieDeclarations]: Found implementation of procedure get_stats [2023-04-03 07:22:27,462 INFO L138 BoogieDeclarations]: Found implementation of procedure make_mc_bits [2023-04-03 07:22:27,462 INFO L138 BoogieDeclarations]: Found implementation of procedure do_set_multicast_list [2023-04-03 07:22:27,462 INFO L138 BoogieDeclarations]: Found implementation of procedure set_multicast_list [2023-04-03 07:22:27,463 INFO L138 BoogieDeclarations]: Found implementation of procedure AX88190_init [2023-04-03 07:22:27,463 INFO L138 BoogieDeclarations]: Found implementation of procedure NS8390_trigger_send [2023-04-03 07:22:27,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_axnet_cs_driver_exit_14_2 [2023-04-03 07:22:27,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_init_axnet_cs_driver_init_14_9 [2023-04-03 07:22:27,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_etherdev_mqs [2023-04-03 07:22:27,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_allocate_external_0 [2023-04-03 07:22:27,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_base_instance_probe_2_16 [2023-04-03 07:22:27,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_base_instance_release_2_2 [2023-04-03 07:22:27,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_base_instance_resume_2_5 [2023-04-03 07:22:27,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_base_instance_suspend_2_7 [2023-04-03 07:22:27,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2023-04-03 07:22:27,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_deregister_11_1 [2023-04-03 07:22:27,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_deregister_12_1 [2023-04-03 07:22:27,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_deregister_dummy_factory_14_14_4 [2023-04-03 07:22:27,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_instance_deregister_6_1 [2023-04-03 07:22:27,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_instance_register_4_3 [2023-04-03 07:22:27,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_irq_deregister_7_1 [2023-04-03 07:22:27,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_irq_register_10_2 [2023-04-03 07:22:27,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_13_2 [2023-04-03 07:22:27,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_9_4 [2023-04-03 07:22:27,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_dummy_factory_14_14_5 [2023-04-03 07:22:27,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_12 [2023-04-03 07:22:27,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_13 [2023-04-03 07:22:27,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_14 [2023-04-03 07:22:27,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_15 [2023-04-03 07:22:27,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_16 [2023-04-03 07:22:27,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_17 [2023-04-03 07:22:27,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_3 [2023-04-03 07:22:27,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_9 [2023-04-03 07:22:27,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_entry_EMGentry_14 [2023-04-03 07:22:27,466 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-03 07:22:27,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2023-04-03 07:22:27,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-04-03 07:22:27,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_external_data [2023-04-03 07:22:27,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_instance_handler_0_5 [2023-04-03 07:22:27,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_instance_thread_0_3 [2023-04-03 07:22:27,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_0 [2023-04-03 07:22:27,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_net_dummy_resourceless_instance_1 [2023-04-03 07:22:27,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pcmcia_register_driver [2023-04-03 07:22:27,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pcmcia_unregister_driver [2023-04-03 07:22:27,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev [2023-04-03 07:22:27,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_open_9_6 [2023-04-03 07:22:27,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2023-04-03 07:22:27,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_struct_pcmcia_driver_base_instance_2 [2023-04-03 07:22:27,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-04-03 07:22:27,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-04-03 07:22:27,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_1 [2023-04-03 07:22:27,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_6 [2023-04-03 07:22:27,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_1 [2023-04-03 07:22:27,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_5 [2023-04-03 07:22:27,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_2_10 [2023-04-03 07:22:27,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_2_19 [2023-04-03 07:22:27,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_3_1 [2023-04-03 07:22:27,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_3_3 [2023-04-03 07:22:27,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_4_1 [2023-04-03 07:22:27,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_4_4 [2023-04-03 07:22:27,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_dummy_factory_4 [2023-04-03 07:22:27,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_instance_callback_3_2 [2023-04-03 07:22:27,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_timer_instance_3 [2023-04-03 07:22:27,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2023-04-03 07:22:27,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_stop_11_2 [2023-04-03 07:22:27,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_etherdev_mqs_60 [2023-04-03 07:22:27,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_61 [2023-04-03 07:22:27,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_62 [2023-04-03 07:22:27,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_63 [2023-04-03 07:22:27,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_64 [2023-04-03 07:22:27,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_65 [2023-04-03 07:22:27,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync_66 [2023-04-03 07:22:27,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pcmcia_register_driver_67 [2023-04-03 07:22:27,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pcmcia_unregister_driver_68 [2023-04-03 07:22:27,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_69 [2023-04-03 07:22:27,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_70 [2023-04-03 07:22:27,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_71 [2023-04-03 07:22:27,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_73 [2023-04-03 07:22:27,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_75 [2023-04-03 07:22:27,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_77 [2023-04-03 07:22:27,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_80 [2023-04-03 07:22:27,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_83 [2023-04-03 07:22:27,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_85 [2023-04-03 07:22:27,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2023-04-03 07:22:27,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-04-03 07:22:27,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spi_alloc_master [2023-04-03 07:22:27,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-04-03 07:22:27,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2023-04-03 07:22:27,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2023-04-03 07:22:27,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2023-04-03 07:22:27,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-04-03 07:22:27,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_init [2023-04-03 07:22:27,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2023-04-03 07:22:27,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-04-03 07:22:27,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kzalloc [2023-04-03 07:22:27,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-04-03 07:22:27,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-04-03 07:22:27,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-04-03 07:22:27,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2023-04-03 07:22:27,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-04-03 07:22:27,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc [2023-04-03 07:22:27,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-04-03 07:22:27,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-04-03 07:22:27,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-04-03 07:22:27,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xzalloc [2023-04-03 07:22:27,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-04-03 07:22:27,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2023-04-03 07:22:27,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_negative [2023-04-03 07:22:27,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_nonpositive [2023-04-03 07:22:27,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_create [2023-04-03 07:22:27,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_create_N [2023-04-03 07:22:27,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_join [2023-04-03 07:22:27,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_join_N [2023-04-03 07:22:27,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock__xmit_lock_of_netdev_queue [2023-04-03 07:22:27,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock__xmit_lock_of_netdev_queue [2023-04-03 07:22:27,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock__xmit_lock_of_netdev_queue [2023-04-03 07:22:27,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait__xmit_lock_of_netdev_queue [2023-04-03 07:22:27,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked__xmit_lock_of_netdev_queue [2023-04-03 07:22:27,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock__xmit_lock_of_netdev_queue [2023-04-03 07:22:27,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended__xmit_lock_of_netdev_queue [2023-04-03 07:22:27,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock__xmit_lock_of_netdev_queue [2023-04-03 07:22:27,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_addr_list_lock_of_net_device [2023-04-03 07:22:27,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_addr_list_lock_of_net_device [2023-04-03 07:22:27,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_addr_list_lock_of_net_device [2023-04-03 07:22:27,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_addr_list_lock_of_net_device [2023-04-03 07:22:27,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_addr_list_lock_of_net_device [2023-04-03 07:22:27,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_addr_list_lock_of_net_device [2023-04-03 07:22:27,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_addr_list_lock_of_net_device [2023-04-03 07:22:27,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_addr_list_lock_of_net_device [2023-04-03 07:22:27,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_alloc_lock_of_task_struct [2023-04-03 07:22:27,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_alloc_lock_of_task_struct [2023-04-03 07:22:27,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_alloc_lock_of_task_struct [2023-04-03 07:22:27,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_alloc_lock_of_task_struct [2023-04-03 07:22:27,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_alloc_lock_of_task_struct [2023-04-03 07:22:27,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_alloc_lock_of_task_struct [2023-04-03 07:22:27,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_alloc_lock_of_task_struct [2023-04-03 07:22:27,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_alloc_lock_of_task_struct [2023-04-03 07:22:27,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_i_lock_of_inode [2023-04-03 07:22:27,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_i_lock_of_inode [2023-04-03 07:22:27,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_i_lock_of_inode [2023-04-03 07:22:27,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_i_lock_of_inode [2023-04-03 07:22:27,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_i_lock_of_inode [2023-04-03 07:22:27,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_i_lock_of_inode [2023-04-03 07:22:27,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_i_lock_of_inode [2023-04-03 07:22:27,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_i_lock_of_inode [2023-04-03 07:22:27,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock [2023-04-03 07:22:27,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock [2023-04-03 07:22:27,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_lock [2023-04-03 07:22:27,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_lock [2023-04-03 07:22:27,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_lock [2023-04-03 07:22:27,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_lock [2023-04-03 07:22:27,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_lock [2023-04-03 07:22:27,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_lock [2023-04-03 07:22:27,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_NOT_ARG_SIGN [2023-04-03 07:22:27,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_NOT_ARG_SIGN [2023-04-03 07:22:27,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_lock_of_NOT_ARG_SIGN [2023-04-03 07:22:27,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_lock_of_NOT_ARG_SIGN [2023-04-03 07:22:27,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_lock_of_NOT_ARG_SIGN [2023-04-03 07:22:27,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_lock_of_NOT_ARG_SIGN [2023-04-03 07:22:27,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_lock_of_NOT_ARG_SIGN [2023-04-03 07:22:27,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_lock_of_NOT_ARG_SIGN [2023-04-03 07:22:27,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lru_lock_of_netns_frags [2023-04-03 07:22:27,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lru_lock_of_netns_frags [2023-04-03 07:22:27,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_lru_lock_of_netns_frags [2023-04-03 07:22:27,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_lru_lock_of_netns_frags [2023-04-03 07:22:27,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_lru_lock_of_netns_frags [2023-04-03 07:22:27,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_lru_lock_of_netns_frags [2023-04-03 07:22:27,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_lru_lock_of_netns_frags [2023-04-03 07:22:27,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_lru_lock_of_netns_frags [2023-04-03 07:22:27,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_node_size_lock_of_pglist_data [2023-04-03 07:22:27,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_node_size_lock_of_pglist_data [2023-04-03 07:22:27,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_node_size_lock_of_pglist_data [2023-04-03 07:22:27,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_node_size_lock_of_pglist_data [2023-04-03 07:22:27,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_node_size_lock_of_pglist_data [2023-04-03 07:22:27,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_node_size_lock_of_pglist_data [2023-04-03 07:22:27,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_node_size_lock_of_pglist_data [2023-04-03 07:22:27,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_node_size_lock_of_pglist_data [2023-04-03 07:22:27,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_page_lock_of_ei_device [2023-04-03 07:22:27,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_page_lock_of_ei_device [2023-04-03 07:22:27,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_page_lock_of_ei_device [2023-04-03 07:22:27,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_page_lock_of_ei_device [2023-04-03 07:22:27,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_page_lock_of_ei_device [2023-04-03 07:22:27,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_page_lock_of_ei_device [2023-04-03 07:22:27,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_page_lock_of_ei_device [2023-04-03 07:22:27,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_page_lock_of_ei_device [2023-04-03 07:22:27,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_ptl [2023-04-03 07:22:27,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_ptl [2023-04-03 07:22:27,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_ptl [2023-04-03 07:22:27,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_ptl [2023-04-03 07:22:27,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_ptl [2023-04-03 07:22:27,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_ptl [2023-04-03 07:22:27,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_ptl [2023-04-03 07:22:27,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_ptl [2023-04-03 07:22:27,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_siglock_of_sighand_struct [2023-04-03 07:22:27,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_siglock_of_sighand_struct [2023-04-03 07:22:27,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_siglock_of_sighand_struct [2023-04-03 07:22:27,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_siglock_of_sighand_struct [2023-04-03 07:22:27,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_siglock_of_sighand_struct [2023-04-03 07:22:27,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_siglock_of_sighand_struct [2023-04-03 07:22:27,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_siglock_of_sighand_struct [2023-04-03 07:22:27,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_siglock_of_sighand_struct [2023-04-03 07:22:27,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_tx_global_lock_of_net_device [2023-04-03 07:22:27,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_tx_global_lock_of_net_device [2023-04-03 07:22:27,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_tx_global_lock_of_net_device [2023-04-03 07:22:27,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_tx_global_lock_of_net_device [2023-04-03 07:22:27,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_tx_global_lock_of_net_device [2023-04-03 07:22:27,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_tx_global_lock_of_net_device [2023-04-03 07:22:27,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_tx_global_lock_of_net_device [2023-04-03 07:22:27,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_tx_global_lock_of_net_device [2023-04-03 07:22:27,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-04-03 07:22:27,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2023-04-03 07:22:27,495 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-03 07:22:27,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-04-03 07:22:27,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2023-04-03 07:22:27,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-04-03 07:22:27,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-04-03 07:22:27,495 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-04-03 07:22:27,495 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2023-04-03 07:22:27,495 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_netdev_dbg [2023-04-03 07:22:27,495 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2023-04-03 07:22:27,495 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2023-04-03 07:22:27,495 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2023-04-03 07:22:27,495 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2023-04-03 07:22:27,496 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-04-03 07:22:27,496 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2023-04-03 07:22:27,496 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2023-04-03 07:22:27,496 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_etherdev_mqs [2023-04-03 07:22:27,496 INFO L138 BoogieDeclarations]: Found implementation of procedure bitrev32 [2023-04-03 07:22:27,496 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2023-04-03 07:22:27,496 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2023-04-03 07:22:27,496 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2023-04-03 07:22:27,496 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_trans_start [2023-04-03 07:22:27,496 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2023-04-03 07:22:27,496 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2023-04-03 07:22:27,496 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2023-04-03 07:22:27,496 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-04-03 07:22:27,496 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-04-03 07:22:27,497 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-04-03 07:22:27,497 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2023-04-03 07:22:27,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2023-04-03 07:22:27,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2023-04-03 07:22:27,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-04-03 07:22:27,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2023-04-03 07:22:27,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_register_netdev [2023-04-03 07:22:27,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-04-03 07:22:27,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-04-03 07:22:27,497 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2023-04-03 07:22:27,497 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2023-04-03 07:22:27,497 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_notice [2023-04-03 07:22:27,497 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_warn [2023-04-03 07:22:27,497 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2023-04-03 07:22:27,498 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2023-04-03 07:22:27,498 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2023-04-03 07:22:27,498 INFO L138 BoogieDeclarations]: Found implementation of procedure netpoll_trap [2023-04-03 07:22:27,498 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_dev_present [2023-04-03 07:22:27,498 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_disable_device [2023-04-03 07:22:27,498 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_enable_device [2023-04-03 07:22:27,498 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_loop_config [2023-04-03 07:22:27,498 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_register_driver [2023-04-03 07:22:27,498 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_request_io [2023-04-03 07:22:27,498 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_unregister_driver [2023-04-03 07:22:27,498 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_write_config_byte [2023-04-03 07:22:27,498 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-04-03 07:22:27,498 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2023-04-03 07:22:27,498 INFO L138 BoogieDeclarations]: Found implementation of procedure request_threaded_irq [2023-04-03 07:22:27,498 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2023-04-03 07:22:27,499 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2023-04-03 07:22:27,499 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-04-03 07:22:27,499 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-04-03 07:22:27,499 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-04-03 07:22:27,499 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-04-03 07:22:27,499 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-04-03 07:22:27,499 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-04-03 07:22:27,499 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-04-03 07:22:27,499 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-04-03 07:22:27,499 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2023-04-03 07:22:27,499 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-04-03 07:22:27,499 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-03 07:22:27,499 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-04-03 07:22:27,500 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2023-04-03 07:22:27,500 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2023-04-03 07:22:27,500 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_netdev_dbg [2023-04-03 07:22:27,500 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2023-04-03 07:22:27,500 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2023-04-03 07:22:27,500 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-04-03 07:22:27,500 INFO L130 BoogieDeclarations]: Found specification of procedure slow_down_io [2023-04-03 07:22:27,500 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~TO~VOID [2023-04-03 07:22:27,500 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-03 07:22:27,500 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2023-04-03 07:22:27,500 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_69 [2023-04-03 07:22:27,500 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_71 [2023-04-03 07:22:27,500 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_73 [2023-04-03 07:22:27,500 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_75 [2023-04-03 07:22:27,501 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_77 [2023-04-03 07:22:27,501 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_80 [2023-04-03 07:22:27,501 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_83 [2023-04-03 07:22:27,501 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_85 [2023-04-03 07:22:27,501 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_page_lock_of_ei_device [2023-04-03 07:22:27,501 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_page_lock_of_ei_device [2023-04-03 07:22:27,501 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2023-04-03 07:22:27,501 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_init [2023-04-03 07:22:27,501 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-04-03 07:22:27,501 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_register_netdev [2023-04-03 07:22:27,501 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-04-03 07:22:27,501 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-04-03 07:22:27,501 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-04-03 07:22:27,501 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-04-03 07:22:27,502 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-04-03 07:22:27,502 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-04-03 07:22:27,502 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-04-03 07:22:27,502 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-04-03 07:22:27,502 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-04-03 07:22:27,502 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2023-04-03 07:22:27,502 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-04-03 07:22:27,502 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-04-03 07:22:27,502 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_70 [2023-04-03 07:22:27,502 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2023-04-03 07:22:27,502 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2023-04-03 07:22:27,502 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2023-04-03 07:22:27,502 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync_66 [2023-04-03 07:22:27,502 INFO L130 BoogieDeclarations]: Found specification of procedure resource_size [2023-04-03 07:22:27,502 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2023-04-03 07:22:27,503 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2023-04-03 07:22:27,503 INFO L130 BoogieDeclarations]: Found specification of procedure outb_p [2023-04-03 07:22:27,503 INFO L130 BoogieDeclarations]: Found specification of procedure inb_p [2023-04-03 07:22:27,503 INFO L130 BoogieDeclarations]: Found specification of procedure inw [2023-04-03 07:22:27,503 INFO L130 BoogieDeclarations]: Found specification of procedure outsw [2023-04-03 07:22:27,503 INFO L130 BoogieDeclarations]: Found specification of procedure insw [2023-04-03 07:22:27,503 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-04-03 07:22:27,503 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2023-04-03 07:22:27,503 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2023-04-03 07:22:27,503 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2023-04-03 07:22:27,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-03 07:22:27,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-03 07:22:27,503 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2023-04-03 07:22:27,503 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2023-04-03 07:22:27,504 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_from_linear_data [2023-04-03 07:22:27,504 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-04-03 07:22:27,504 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-04-03 07:22:27,504 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-04-03 07:22:27,504 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-04-03 07:22:27,504 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_62 [2023-04-03 07:22:27,504 INFO L130 BoogieDeclarations]: Found specification of procedure netpoll_trap [2023-04-03 07:22:27,504 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2023-04-03 07:22:27,504 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2023-04-03 07:22:27,504 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2023-04-03 07:22:27,504 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2023-04-03 07:22:27,504 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-04-03 07:22:27,504 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2023-04-03 07:22:27,504 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-03 07:22:27,505 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-04-03 07:22:27,505 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2023-04-03 07:22:27,505 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2023-04-03 07:22:27,505 INFO L130 BoogieDeclarations]: Found specification of procedure dev_trans_start [2023-04-03 07:22:27,505 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_present [2023-04-03 07:22:27,505 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2023-04-03 07:22:27,505 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2023-04-03 07:22:27,505 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2023-04-03 07:22:27,505 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_63 [2023-04-03 07:22:27,505 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2023-04-03 07:22:27,505 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_61 [2023-04-03 07:22:27,505 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2023-04-03 07:22:27,505 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_warn [2023-04-03 07:22:27,505 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_notice [2023-04-03 07:22:27,506 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2023-04-03 07:22:27,506 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2023-04-03 07:22:27,506 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2023-04-03 07:22:27,506 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2023-04-03 07:22:27,506 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-04-03 07:22:27,506 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_etherdev_mqs [2023-04-03 07:22:27,506 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_etherdev_mqs_60 [2023-04-03 07:22:27,506 INFO L130 BoogieDeclarations]: Found specification of procedure bitrev32 [2023-04-03 07:22:27,506 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2023-04-03 07:22:27,506 INFO L130 BoogieDeclarations]: Found specification of procedure if_mii [2023-04-03 07:22:27,506 INFO L130 BoogieDeclarations]: Found specification of procedure request_threaded_irq [2023-04-03 07:22:27,506 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2023-04-03 07:22:27,506 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_64 [2023-04-03 07:22:27,506 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-04-03 07:22:27,507 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_65 [2023-04-03 07:22:27,507 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_register_driver [2023-04-03 07:22:27,507 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pcmcia_register_driver_67 [2023-04-03 07:22:27,507 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_unregister_driver [2023-04-03 07:22:27,507 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pcmcia_unregister_driver_68 [2023-04-03 07:22:27,507 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_loop_config [2023-04-03 07:22:27,507 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_dev_present [2023-04-03 07:22:27,507 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_write_config_byte [2023-04-03 07:22:27,507 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_request_io [2023-04-03 07:22:27,507 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_enable_device [2023-04-03 07:22:27,507 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_disable_device [2023-04-03 07:22:27,507 INFO L130 BoogieDeclarations]: Found specification of procedure axnet_config [2023-04-03 07:22:27,507 INFO L130 BoogieDeclarations]: Found specification of procedure axnet_release [2023-04-03 07:22:27,507 INFO L130 BoogieDeclarations]: Found specification of procedure axnet_open [2023-04-03 07:22:27,507 INFO L130 BoogieDeclarations]: Found specification of procedure axnet_close [2023-04-03 07:22:27,508 INFO L130 BoogieDeclarations]: Found specification of procedure axnet_ioctl [2023-04-03 07:22:27,508 INFO L130 BoogieDeclarations]: Found specification of procedure axnet_start_xmit [2023-04-03 07:22:27,508 INFO L130 BoogieDeclarations]: Found specification of procedure get_stats [2023-04-03 07:22:27,508 INFO L130 BoogieDeclarations]: Found specification of procedure set_multicast_list [2023-04-03 07:22:27,508 INFO L130 BoogieDeclarations]: Found specification of procedure axnet_tx_timeout [2023-04-03 07:22:27,508 INFO L130 BoogieDeclarations]: Found specification of procedure ei_irq_wrapper [2023-04-03 07:22:27,508 INFO L130 BoogieDeclarations]: Found specification of procedure ei_watchdog [2023-04-03 07:22:27,508 INFO L130 BoogieDeclarations]: Found specification of procedure axnet_reset_8390 [2023-04-03 07:22:27,508 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2023-04-03 07:22:27,508 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_write [2023-04-03 07:22:27,508 INFO L130 BoogieDeclarations]: Found specification of procedure get_8390_hdr [2023-04-03 07:22:27,508 INFO L130 BoogieDeclarations]: Found specification of procedure block_input [2023-04-03 07:22:27,508 INFO L130 BoogieDeclarations]: Found specification of procedure block_output [2023-04-03 07:22:27,508 INFO L130 BoogieDeclarations]: Found specification of procedure axnet_detach [2023-04-03 07:22:27,509 INFO L130 BoogieDeclarations]: Found specification of procedure AX88190_init [2023-04-03 07:22:27,509 INFO L130 BoogieDeclarations]: Found specification of procedure ax_open [2023-04-03 07:22:27,509 INFO L130 BoogieDeclarations]: Found specification of procedure ax_close [2023-04-03 07:22:27,509 INFO L130 BoogieDeclarations]: Found specification of procedure ax_interrupt [2023-04-03 07:22:27,509 INFO L130 BoogieDeclarations]: Found specification of procedure PRIV [2023-04-03 07:22:27,509 INFO L130 BoogieDeclarations]: Found specification of procedure axnet_probe [2023-04-03 07:22:27,509 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-04-03 07:22:27,509 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-03 07:22:27,509 INFO L130 BoogieDeclarations]: Found specification of procedure get_prom [2023-04-03 07:22:27,509 INFO L130 BoogieDeclarations]: Found specification of procedure try_io_port [2023-04-03 07:22:27,509 INFO L130 BoogieDeclarations]: Found specification of procedure axnet_configcheck [2023-04-03 07:22:27,509 INFO L130 BoogieDeclarations]: Found specification of procedure axnet_suspend [2023-04-03 07:22:27,509 INFO L130 BoogieDeclarations]: Found specification of procedure axnet_resume [2023-04-03 07:22:27,509 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_sync [2023-04-03 07:22:27,510 INFO L130 BoogieDeclarations]: Found specification of procedure axnet_cs_driver_init [2023-04-03 07:22:27,510 INFO L130 BoogieDeclarations]: Found specification of procedure axnet_cs_driver_exit [2023-04-03 07:22:27,510 INFO L130 BoogieDeclarations]: Found specification of procedure ei_tx_intr [2023-04-03 07:22:27,510 INFO L130 BoogieDeclarations]: Found specification of procedure ei_tx_err [2023-04-03 07:22:27,510 INFO L130 BoogieDeclarations]: Found specification of procedure ei_receive [2023-04-03 07:22:27,510 INFO L130 BoogieDeclarations]: Found specification of procedure ei_rx_overrun [2023-04-03 07:22:27,510 INFO L130 BoogieDeclarations]: Found specification of procedure NS8390_trigger_send [2023-04-03 07:22:27,510 INFO L130 BoogieDeclarations]: Found specification of procedure do_set_multicast_list [2023-04-03 07:22:27,510 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-04-03 07:22:27,510 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~TO~VOID [2023-04-03 07:22:27,510 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-04-03 07:22:27,510 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2023-04-03 07:22:27,513 INFO L130 BoogieDeclarations]: Found specification of procedure make_mc_bits [2023-04-03 07:22:27,513 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_axnet_cs_driver_exit_14_2 [2023-04-03 07:22:27,514 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_init_axnet_cs_driver_init_14_9 [2023-04-03 07:22:27,514 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_etherdev_mqs [2023-04-03 07:22:27,514 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_allocate_external_0 [2023-04-03 07:22:27,514 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_base_instance_probe_2_16 [2023-04-03 07:22:27,514 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_base_instance_release_2_2 [2023-04-03 07:22:27,514 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_base_instance_resume_2_5 [2023-04-03 07:22:27,514 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_base_instance_suspend_2_7 [2023-04-03 07:22:27,514 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2023-04-03 07:22:27,514 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_deregister_11_1 [2023-04-03 07:22:27,514 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_deregister_12_1 [2023-04-03 07:22:27,514 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_deregister_dummy_factory_14_14_4 [2023-04-03 07:22:27,514 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_instance_deregister_6_1 [2023-04-03 07:22:27,514 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_instance_register_4_3 [2023-04-03 07:22:27,515 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_irq_deregister_7_1 [2023-04-03 07:22:27,515 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_irq_register_10_2 [2023-04-03 07:22:27,515 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_13_2 [2023-04-03 07:22:27,515 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_9_4 [2023-04-03 07:22:27,515 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_dummy_factory_14_14_5 [2023-04-03 07:22:27,515 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_12 [2023-04-03 07:22:27,515 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_13 [2023-04-03 07:22:27,515 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_14 [2023-04-03 07:22:27,515 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_15 [2023-04-03 07:22:27,515 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_16 [2023-04-03 07:22:27,515 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_17 [2023-04-03 07:22:27,515 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_3 [2023-04-03 07:22:27,515 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_9 [2023-04-03 07:22:27,516 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_entry_EMGentry_14 [2023-04-03 07:22:27,516 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-03 07:22:27,516 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2023-04-03 07:22:27,516 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-04-03 07:22:27,516 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_external_data [2023-04-03 07:22:27,516 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_instance_handler_0_5 [2023-04-03 07:22:27,516 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_instance_thread_0_3 [2023-04-03 07:22:27,516 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_0 [2023-04-03 07:22:27,516 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_net_dummy_resourceless_instance_1 [2023-04-03 07:22:27,516 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pcmcia_register_driver [2023-04-03 07:22:27,516 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pcmcia_unregister_driver [2023-04-03 07:22:27,516 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev [2023-04-03 07:22:27,516 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_open_9_6 [2023-04-03 07:22:27,517 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2023-04-03 07:22:27,517 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_struct_pcmcia_driver_base_instance_2 [2023-04-03 07:22:27,517 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-04-03 07:22:27,517 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-04-03 07:22:27,517 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_1 [2023-04-03 07:22:27,517 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_6 [2023-04-03 07:22:27,517 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_1 [2023-04-03 07:22:27,517 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_5 [2023-04-03 07:22:27,517 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_2_10 [2023-04-03 07:22:27,517 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_2_19 [2023-04-03 07:22:27,517 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_3_1 [2023-04-03 07:22:27,517 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_3_3 [2023-04-03 07:22:27,517 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_4_1 [2023-04-03 07:22:27,518 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_4_4 [2023-04-03 07:22:27,518 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_dummy_factory_4 [2023-04-03 07:22:27,518 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_instance_callback_3_2 [2023-04-03 07:22:27,518 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_timer_instance_3 [2023-04-03 07:22:27,518 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2023-04-03 07:22:27,518 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_stop_11_2 [2023-04-03 07:22:27,518 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-04-03 07:22:27,518 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2023-04-03 07:22:27,518 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2023-04-03 07:22:27,518 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xzalloc [2023-04-03 07:22:27,518 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2023-04-03 07:22:27,518 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-04-03 07:22:27,518 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-04-03 07:22:27,518 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spi_alloc_master [2023-04-03 07:22:27,519 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-04-03 07:22:27,519 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2023-04-03 07:22:27,519 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2023-04-03 07:22:27,519 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2023-04-03 07:22:27,519 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2023-04-03 07:22:27,519 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-04-03 07:22:27,519 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-04-03 07:22:27,519 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2023-04-03 07:22:27,519 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kzalloc [2023-04-03 07:22:27,519 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2023-04-03 07:22:27,519 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2023-04-03 07:22:27,519 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2023-04-03 07:22:27,519 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-03 07:22:27,519 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2023-04-03 07:22:27,520 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-03 07:22:27,520 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-03 07:22:27,520 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-04-03 07:22:27,520 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2023-04-03 07:22:27,520 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_negative [2023-04-03 07:22:27,520 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_nonpositive [2023-04-03 07:22:27,520 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-03 07:22:27,520 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2023-04-03 07:22:27,520 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_create [2023-04-03 07:22:27,520 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_create_N [2023-04-03 07:22:27,520 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_join [2023-04-03 07:22:27,520 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_join_N [2023-04-03 07:22:27,520 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-04-03 07:22:27,520 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2023-04-03 07:22:27,521 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-04-03 07:22:27,521 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-04-03 07:22:27,521 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock__xmit_lock_of_netdev_queue [2023-04-03 07:22:27,521 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock__xmit_lock_of_netdev_queue [2023-04-03 07:22:27,521 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock__xmit_lock_of_netdev_queue [2023-04-03 07:22:27,521 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait__xmit_lock_of_netdev_queue [2023-04-03 07:22:27,521 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked__xmit_lock_of_netdev_queue [2023-04-03 07:22:27,521 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock__xmit_lock_of_netdev_queue [2023-04-03 07:22:27,521 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended__xmit_lock_of_netdev_queue [2023-04-03 07:22:27,521 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock__xmit_lock_of_netdev_queue [2023-04-03 07:22:27,521 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_addr_list_lock_of_net_device [2023-04-03 07:22:27,521 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_addr_list_lock_of_net_device [2023-04-03 07:22:27,521 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_addr_list_lock_of_net_device [2023-04-03 07:22:27,521 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_addr_list_lock_of_net_device [2023-04-03 07:22:27,522 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_addr_list_lock_of_net_device [2023-04-03 07:22:27,522 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_addr_list_lock_of_net_device [2023-04-03 07:22:27,522 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_addr_list_lock_of_net_device [2023-04-03 07:22:27,522 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_addr_list_lock_of_net_device [2023-04-03 07:22:27,522 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_alloc_lock_of_task_struct [2023-04-03 07:22:27,522 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_alloc_lock_of_task_struct [2023-04-03 07:22:27,522 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_alloc_lock_of_task_struct [2023-04-03 07:22:27,522 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_alloc_lock_of_task_struct [2023-04-03 07:22:27,522 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_alloc_lock_of_task_struct [2023-04-03 07:22:27,522 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_alloc_lock_of_task_struct [2023-04-03 07:22:27,522 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_alloc_lock_of_task_struct [2023-04-03 07:22:27,522 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_alloc_lock_of_task_struct [2023-04-03 07:22:27,522 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_i_lock_of_inode [2023-04-03 07:22:27,523 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_i_lock_of_inode [2023-04-03 07:22:27,523 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_i_lock_of_inode [2023-04-03 07:22:27,523 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_i_lock_of_inode [2023-04-03 07:22:27,523 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_i_lock_of_inode [2023-04-03 07:22:27,523 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_i_lock_of_inode [2023-04-03 07:22:27,523 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_i_lock_of_inode [2023-04-03 07:22:27,523 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_i_lock_of_inode [2023-04-03 07:22:27,523 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock [2023-04-03 07:22:27,523 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock [2023-04-03 07:22:27,523 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_lock [2023-04-03 07:22:27,523 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_lock [2023-04-03 07:22:27,523 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_lock [2023-04-03 07:22:27,523 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_lock [2023-04-03 07:22:27,524 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_lock [2023-04-03 07:22:27,524 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_lock [2023-04-03 07:22:27,524 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_NOT_ARG_SIGN [2023-04-03 07:22:27,524 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_NOT_ARG_SIGN [2023-04-03 07:22:27,524 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_lock_of_NOT_ARG_SIGN [2023-04-03 07:22:27,524 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_lock_of_NOT_ARG_SIGN [2023-04-03 07:22:27,524 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_lock_of_NOT_ARG_SIGN [2023-04-03 07:22:27,524 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_lock_of_NOT_ARG_SIGN [2023-04-03 07:22:27,524 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_lock_of_NOT_ARG_SIGN [2023-04-03 07:22:27,524 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_lock_of_NOT_ARG_SIGN [2023-04-03 07:22:27,524 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lru_lock_of_netns_frags [2023-04-03 07:22:27,524 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lru_lock_of_netns_frags [2023-04-03 07:22:27,524 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_lru_lock_of_netns_frags [2023-04-03 07:22:27,524 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_lru_lock_of_netns_frags [2023-04-03 07:22:27,525 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_lru_lock_of_netns_frags [2023-04-03 07:22:27,525 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_lru_lock_of_netns_frags [2023-04-03 07:22:27,525 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_lru_lock_of_netns_frags [2023-04-03 07:22:27,525 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_lru_lock_of_netns_frags [2023-04-03 07:22:27,525 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_node_size_lock_of_pglist_data [2023-04-03 07:22:27,525 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_node_size_lock_of_pglist_data [2023-04-03 07:22:27,525 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_node_size_lock_of_pglist_data [2023-04-03 07:22:27,525 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_node_size_lock_of_pglist_data [2023-04-03 07:22:27,525 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_node_size_lock_of_pglist_data [2023-04-03 07:22:27,525 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_node_size_lock_of_pglist_data [2023-04-03 07:22:27,525 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_node_size_lock_of_pglist_data [2023-04-03 07:22:27,525 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_node_size_lock_of_pglist_data [2023-04-03 07:22:27,525 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_page_lock_of_ei_device [2023-04-03 07:22:27,526 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_page_lock_of_ei_device [2023-04-03 07:22:27,526 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_page_lock_of_ei_device [2023-04-03 07:22:27,526 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_page_lock_of_ei_device [2023-04-03 07:22:27,526 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_page_lock_of_ei_device [2023-04-03 07:22:27,526 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_page_lock_of_ei_device [2023-04-03 07:22:27,526 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_ptl [2023-04-03 07:22:27,526 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_ptl [2023-04-03 07:22:27,526 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_ptl [2023-04-03 07:22:27,526 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_ptl [2023-04-03 07:22:27,526 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_ptl [2023-04-03 07:22:27,526 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_ptl [2023-04-03 07:22:27,526 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_ptl [2023-04-03 07:22:27,526 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_ptl [2023-04-03 07:22:27,526 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_siglock_of_sighand_struct [2023-04-03 07:22:27,527 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_siglock_of_sighand_struct [2023-04-03 07:22:27,527 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_siglock_of_sighand_struct [2023-04-03 07:22:27,527 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_siglock_of_sighand_struct [2023-04-03 07:22:27,527 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_siglock_of_sighand_struct [2023-04-03 07:22:27,527 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_siglock_of_sighand_struct [2023-04-03 07:22:27,527 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_siglock_of_sighand_struct [2023-04-03 07:22:27,527 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_siglock_of_sighand_struct [2023-04-03 07:22:27,527 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_tx_global_lock_of_net_device [2023-04-03 07:22:27,527 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_tx_global_lock_of_net_device [2023-04-03 07:22:27,527 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_tx_global_lock_of_net_device [2023-04-03 07:22:27,527 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_tx_global_lock_of_net_device [2023-04-03 07:22:27,527 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_tx_global_lock_of_net_device [2023-04-03 07:22:27,527 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_tx_global_lock_of_net_device [2023-04-03 07:22:27,528 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_tx_global_lock_of_net_device [2023-04-03 07:22:27,528 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_tx_global_lock_of_net_device [2023-04-03 07:22:27,528 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2023-04-03 07:22:27,528 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-03 07:22:27,528 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-03 07:22:27,528 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2023-04-03 07:22:27,528 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2023-04-03 07:22:27,528 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-03 07:22:27,528 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2023-04-03 07:22:27,528 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2023-04-03 07:22:27,528 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-04-03 07:22:27,528 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-03 07:22:27,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-03 07:22:27,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-04-03 07:22:27,528 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-03 07:22:27,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-04-03 07:22:27,529 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-04-03 07:22:27,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-04-03 07:22:27,529 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-04-03 07:22:28,290 INFO L236 CfgBuilder]: Building ICFG [2023-04-03 07:22:28,301 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-03 07:22:28,719 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-04-03 07:22:33,826 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint mainFINAL: assume true; [2023-04-03 07:22:34,427 INFO L277 CfgBuilder]: Performing block encoding [2023-04-03 07:22:36,313 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-03 07:22:36,313 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-04-03 07:22:36,321 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 07:22:36 BoogieIcfgContainer [2023-04-03 07:22:36,321 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-03 07:22:36,324 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-03 07:22:36,325 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-03 07:22:36,328 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-03 07:22:36,328 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.04 07:22:22" (1/3) ... [2023-04-03 07:22:36,329 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c80f41f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 07:22:36, skipping insertion in model container [2023-04-03 07:22:36,329 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 07:22:27" (2/3) ... [2023-04-03 07:22:36,329 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c80f41f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 07:22:36, skipping insertion in model container [2023-04-03 07:22:36,329 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 07:22:36" (3/3) ... [2023-04-03 07:22:36,330 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-8390-axnet_cs.cil.i [2023-04-03 07:22:36,349 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-03 07:22:36,349 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2023-04-03 07:22:36,451 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-03 07:22:36,460 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;@45e7ebb2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-03 07:22:36,460 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-04-03 07:22:36,473 INFO L276 IsEmpty]: Start isEmpty. Operand has 1971 states, 1016 states have (on average 1.2007874015748032) internal successors, (1220), 1058 states have internal predecessors, (1220), 628 states have call successors, (628), 221 states have call predecessors, (628), 219 states have return successors, (621), 603 states have call predecessors, (621), 621 states have call successors, (621) [2023-04-03 07:22:36,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-04-03 07:22:36,498 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:22:36,499 INFO L195 NwaCegarLoop]: trace histogram [8, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:22:36,500 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_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 07:22:36,510 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:22:36,510 INFO L85 PathProgramCache]: Analyzing trace with hash 1548730703, now seen corresponding path program 1 times [2023-04-03 07:22:36,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:22:36,522 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1818888020] [2023-04-03 07:22:36,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:22:36,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:22:37,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:22:37,761 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2023-04-03 07:22:37,762 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:22:37,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1818888020] [2023-04-03 07:22:37,763 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1818888020] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:22:37,763 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:22:37,763 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 07:22:37,765 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1678691143] [2023-04-03 07:22:37,765 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:22:37,770 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 07:22:37,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:22:37,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 07:22:37,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 07:22:37,819 INFO L87 Difference]: Start difference. First operand has 1971 states, 1016 states have (on average 1.2007874015748032) internal successors, (1220), 1058 states have internal predecessors, (1220), 628 states have call successors, (628), 221 states have call predecessors, (628), 219 states have return successors, (621), 603 states have call predecessors, (621), 621 states have call successors, (621) Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 3 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2023-04-03 07:22:40,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:22:40,691 INFO L93 Difference]: Finished difference Result 4711 states and 6371 transitions. [2023-04-03 07:22:40,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 07:22:40,694 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 3 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 106 [2023-04-03 07:22:40,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:22:40,730 INFO L225 Difference]: With dead ends: 4711 [2023-04-03 07:22:40,730 INFO L226 Difference]: Without dead ends: 3099 [2023-04-03 07:22:40,747 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 07:22:40,752 INFO L413 NwaCegarLoop]: 1930 mSDtfsCounter, 2007 mSDsluCounter, 1855 mSDsCounter, 0 mSdLazyCounter, 457 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2007 SdHoareTripleChecker+Valid, 3785 SdHoareTripleChecker+Invalid, 464 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 457 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2023-04-03 07:22:40,752 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2007 Valid, 3785 Invalid, 464 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 457 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2023-04-03 07:22:40,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3099 states. [2023-04-03 07:22:41,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3099 to 3095. [2023-04-03 07:22:41,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3095 states, 1647 states have (on average 1.2167577413479054) internal successors, (2004), 1720 states have internal predecessors, (2004), 1038 states have call successors, (1038), 410 states have call predecessors, (1038), 407 states have return successors, (1033), 999 states have call predecessors, (1033), 1033 states have call successors, (1033) [2023-04-03 07:22:41,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3095 states to 3095 states and 4075 transitions. [2023-04-03 07:22:41,149 INFO L78 Accepts]: Start accepts. Automaton has 3095 states and 4075 transitions. Word has length 106 [2023-04-03 07:22:41,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:22:41,151 INFO L495 AbstractCegarLoop]: Abstraction has 3095 states and 4075 transitions. [2023-04-03 07:22:41,151 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 3 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2023-04-03 07:22:41,151 INFO L276 IsEmpty]: Start isEmpty. Operand 3095 states and 4075 transitions. [2023-04-03 07:22:41,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-04-03 07:22:41,159 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:22:41,159 INFO L195 NwaCegarLoop]: trace histogram [8, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:22:41,160 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-03 07:22:41,160 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_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 07:22:41,161 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:22:41,161 INFO L85 PathProgramCache]: Analyzing trace with hash 1669084643, now seen corresponding path program 1 times [2023-04-03 07:22:41,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:22:41,161 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [948358335] [2023-04-03 07:22:41,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:22:41,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:22:41,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:22:41,723 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2023-04-03 07:22:41,723 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:22:41,723 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [948358335] [2023-04-03 07:22:41,723 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [948358335] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:22:41,724 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:22:41,724 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 07:22:41,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803549196] [2023-04-03 07:22:41,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:22:41,727 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 07:22:41,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:22:41,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 07:22:41,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 07:22:41,729 INFO L87 Difference]: Start difference. First operand 3095 states and 4075 transitions. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2023-04-03 07:22:43,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:22:43,851 INFO L93 Difference]: Finished difference Result 8657 states and 11419 transitions. [2023-04-03 07:22:43,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 07:22:43,851 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 118 [2023-04-03 07:22:43,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:22:43,889 INFO L225 Difference]: With dead ends: 8657 [2023-04-03 07:22:43,889 INFO L226 Difference]: Without dead ends: 5590 [2023-04-03 07:22:43,905 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 07:22:43,906 INFO L413 NwaCegarLoop]: 1998 mSDtfsCounter, 1718 mSDsluCounter, 1840 mSDsCounter, 0 mSdLazyCounter, 490 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1718 SdHoareTripleChecker+Valid, 3838 SdHoareTripleChecker+Invalid, 497 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 490 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2023-04-03 07:22:43,906 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1718 Valid, 3838 Invalid, 497 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 490 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2023-04-03 07:22:43,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5590 states. [2023-04-03 07:22:44,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5590 to 5543. [2023-04-03 07:22:44,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5543 states, 2954 states have (on average 1.2122545700744753) internal successors, (3581), 3091 states have internal predecessors, (3581), 1853 states have call successors, (1853), 741 states have call predecessors, (1853), 733 states have return successors, (1870), 1779 states have call predecessors, (1870), 1848 states have call successors, (1870) [2023-04-03 07:22:44,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5543 states to 5543 states and 7304 transitions. [2023-04-03 07:22:44,307 INFO L78 Accepts]: Start accepts. Automaton has 5543 states and 7304 transitions. Word has length 118 [2023-04-03 07:22:44,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:22:44,307 INFO L495 AbstractCegarLoop]: Abstraction has 5543 states and 7304 transitions. [2023-04-03 07:22:44,308 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2023-04-03 07:22:44,308 INFO L276 IsEmpty]: Start isEmpty. Operand 5543 states and 7304 transitions. [2023-04-03 07:22:44,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-04-03 07:22:44,315 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:22:44,315 INFO L195 NwaCegarLoop]: trace histogram [8, 7, 7, 7, 7, 7, 7, 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] [2023-04-03 07:22:44,316 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-03 07:22:44,316 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_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 07:22:44,316 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:22:44,316 INFO L85 PathProgramCache]: Analyzing trace with hash 894744039, now seen corresponding path program 1 times [2023-04-03 07:22:44,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:22:44,317 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2041262961] [2023-04-03 07:22:44,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:22:44,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:22:44,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:22:44,745 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2023-04-03 07:22:44,745 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:22:44,746 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2041262961] [2023-04-03 07:22:44,746 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2041262961] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:22:44,746 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:22:44,746 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 07:22:44,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1029943187] [2023-04-03 07:22:44,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:22:44,747 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 07:22:44,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:22:44,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 07:22:44,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 07:22:44,748 INFO L87 Difference]: Start difference. First operand 5543 states and 7304 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2023-04-03 07:22:47,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:22:47,073 INFO L93 Difference]: Finished difference Result 15189 states and 20050 transitions. [2023-04-03 07:22:47,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 07:22:47,074 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 123 [2023-04-03 07:22:47,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:22:47,138 INFO L225 Difference]: With dead ends: 15189 [2023-04-03 07:22:47,138 INFO L226 Difference]: Without dead ends: 9674 [2023-04-03 07:22:47,167 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 07:22:47,168 INFO L413 NwaCegarLoop]: 1946 mSDtfsCounter, 1717 mSDsluCounter, 1833 mSDsCounter, 0 mSdLazyCounter, 442 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1717 SdHoareTripleChecker+Valid, 3779 SdHoareTripleChecker+Invalid, 448 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 442 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2023-04-03 07:22:47,168 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1717 Valid, 3779 Invalid, 448 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 442 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2023-04-03 07:22:47,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9674 states. [2023-04-03 07:22:47,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9674 to 9617. [2023-04-03 07:22:47,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9617 states, 5124 states have (on average 1.2086260733801717) internal successors, (6193), 5357 states have internal predecessors, (6193), 3195 states have call successors, (3195), 1337 states have call predecessors, (3195), 1295 states have return successors, (3296), 3029 states have call predecessors, (3296), 3190 states have call successors, (3296) [2023-04-03 07:22:47,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9617 states to 9617 states and 12684 transitions. [2023-04-03 07:22:47,741 INFO L78 Accepts]: Start accepts. Automaton has 9617 states and 12684 transitions. Word has length 123 [2023-04-03 07:22:47,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:22:47,741 INFO L495 AbstractCegarLoop]: Abstraction has 9617 states and 12684 transitions. [2023-04-03 07:22:47,742 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2023-04-03 07:22:47,742 INFO L276 IsEmpty]: Start isEmpty. Operand 9617 states and 12684 transitions. [2023-04-03 07:22:47,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2023-04-03 07:22:47,746 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:22:47,746 INFO L195 NwaCegarLoop]: trace histogram [8, 7, 7, 7, 7, 7, 7, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 07:22:47,746 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-03 07:22:47,746 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_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 07:22:47,747 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:22:47,747 INFO L85 PathProgramCache]: Analyzing trace with hash 958215272, now seen corresponding path program 1 times [2023-04-03 07:22:47,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:22:47,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878853221] [2023-04-03 07:22:47,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:22:47,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:22:47,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:22:48,274 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2023-04-03 07:22:48,274 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:22:48,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1878853221] [2023-04-03 07:22:48,275 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1878853221] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:22:48,275 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:22:48,275 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 07:22:48,275 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [293713817] [2023-04-03 07:22:48,275 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:22:48,276 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 07:22:48,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:22:48,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 07:22:48,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 07:22:48,276 INFO L87 Difference]: Start difference. First operand 9617 states and 12684 transitions. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2023-04-03 07:22:50,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:22:50,242 INFO L93 Difference]: Finished difference Result 17040 states and 22542 transitions. [2023-04-03 07:22:50,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 07:22:50,243 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 152 [2023-04-03 07:22:50,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:22:50,290 INFO L225 Difference]: With dead ends: 17040 [2023-04-03 07:22:50,290 INFO L226 Difference]: Without dead ends: 7451 [2023-04-03 07:22:50,333 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 07:22:50,337 INFO L413 NwaCegarLoop]: 2603 mSDtfsCounter, 1888 mSDsluCounter, 1031 mSDsCounter, 0 mSdLazyCounter, 478 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1888 SdHoareTripleChecker+Valid, 3634 SdHoareTripleChecker+Invalid, 492 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 478 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-04-03 07:22:50,338 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1888 Valid, 3634 Invalid, 492 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 478 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-04-03 07:22:50,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7451 states. [2023-04-03 07:22:50,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7451 to 7372. [2023-04-03 07:22:50,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7372 states, 3952 states have (on average 1.2034412955465588) internal successors, (4756), 4178 states have internal predecessors, (4756), 2387 states have call successors, (2387), 1106 states have call predecessors, (2387), 1030 states have return successors, (2566), 2149 states have call predecessors, (2566), 2382 states have call successors, (2566) [2023-04-03 07:22:50,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7372 states to 7372 states and 9709 transitions. [2023-04-03 07:22:50,787 INFO L78 Accepts]: Start accepts. Automaton has 7372 states and 9709 transitions. Word has length 152 [2023-04-03 07:22:50,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:22:50,789 INFO L495 AbstractCegarLoop]: Abstraction has 7372 states and 9709 transitions. [2023-04-03 07:22:50,789 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2023-04-03 07:22:50,789 INFO L276 IsEmpty]: Start isEmpty. Operand 7372 states and 9709 transitions. [2023-04-03 07:22:50,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2023-04-03 07:22:50,792 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:22:50,792 INFO L195 NwaCegarLoop]: trace histogram [11, 7, 7, 7, 7, 7, 7, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 07:22:50,793 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-03 07:22:50,793 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_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 07:22:50,793 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:22:50,793 INFO L85 PathProgramCache]: Analyzing trace with hash 175617097, now seen corresponding path program 1 times [2023-04-03 07:22:50,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:22:50,794 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1189186454] [2023-04-03 07:22:50,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:22:50,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:22:50,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:22:51,389 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 258 trivial. 0 not checked. [2023-04-03 07:22:51,389 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:22:51,389 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1189186454] [2023-04-03 07:22:51,389 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1189186454] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:22:51,389 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:22:51,390 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 07:22:51,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [925627684] [2023-04-03 07:22:51,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:22:51,390 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 07:22:51,390 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:22:51,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 07:22:51,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 07:22:51,391 INFO L87 Difference]: Start difference. First operand 7372 states and 9709 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (31), 3 states have call predecessors, (31), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-04-03 07:22:53,821 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:22:54,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:22:54,593 INFO L93 Difference]: Finished difference Result 7378 states and 9714 transitions. [2023-04-03 07:22:54,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 07:22:54,594 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (31), 3 states have call predecessors, (31), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 174 [2023-04-03 07:22:54,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:22:54,636 INFO L225 Difference]: With dead ends: 7378 [2023-04-03 07:22:54,637 INFO L226 Difference]: Without dead ends: 7376 [2023-04-03 07:22:54,643 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-04-03 07:22:54,644 INFO L413 NwaCegarLoop]: 1899 mSDtfsCounter, 2097 mSDsluCounter, 3786 mSDsCounter, 0 mSdLazyCounter, 676 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2108 SdHoareTripleChecker+Valid, 5685 SdHoareTripleChecker+Invalid, 677 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 676 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2023-04-03 07:22:54,644 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2108 Valid, 5685 Invalid, 677 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 676 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2023-04-03 07:22:54,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7376 states. [2023-04-03 07:22:54,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7376 to 7376. [2023-04-03 07:22:54,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7376 states, 3955 states have (on average 1.2032869785082174) internal successors, (4759), 4181 states have internal predecessors, (4759), 2387 states have call successors, (2387), 1107 states have call predecessors, (2387), 1031 states have return successors, (2566), 2149 states have call predecessors, (2566), 2382 states have call successors, (2566) [2023-04-03 07:22:55,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7376 states to 7376 states and 9712 transitions. [2023-04-03 07:22:55,027 INFO L78 Accepts]: Start accepts. Automaton has 7376 states and 9712 transitions. Word has length 174 [2023-04-03 07:22:55,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:22:55,029 INFO L495 AbstractCegarLoop]: Abstraction has 7376 states and 9712 transitions. [2023-04-03 07:22:55,029 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (31), 3 states have call predecessors, (31), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-04-03 07:22:55,029 INFO L276 IsEmpty]: Start isEmpty. Operand 7376 states and 9712 transitions. [2023-04-03 07:22:55,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2023-04-03 07:22:55,032 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:22:55,032 INFO L195 NwaCegarLoop]: trace histogram [11, 7, 7, 7, 7, 7, 7, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 07:22:55,032 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-04-03 07:22:55,033 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_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 07:22:55,033 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:22:55,033 INFO L85 PathProgramCache]: Analyzing trace with hash -1126759599, now seen corresponding path program 1 times [2023-04-03 07:22:55,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:22:55,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1746589213] [2023-04-03 07:22:55,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:22:55,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:22:55,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:22:55,534 INFO L134 CoverageAnalysis]: Checked inductivity of 267 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 258 trivial. 0 not checked. [2023-04-03 07:22:55,535 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:22:55,535 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1746589213] [2023-04-03 07:22:55,535 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1746589213] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:22:55,535 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:22:55,535 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 07:22:55,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2018046901] [2023-04-03 07:22:55,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:22:55,536 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 07:22:55,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:22:55,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 07:22:55,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 07:22:55,537 INFO L87 Difference]: Start difference. First operand 7376 states and 9712 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, (32), 3 states have call predecessors, (32), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-04-03 07:22:57,725 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:22:58,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:22:58,956 INFO L93 Difference]: Finished difference Result 7382 states and 9717 transitions. [2023-04-03 07:22:58,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 07:22:58,957 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, (32), 3 states have call predecessors, (32), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 179 [2023-04-03 07:22:58,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:22:58,995 INFO L225 Difference]: With dead ends: 7382 [2023-04-03 07:22:58,996 INFO L226 Difference]: Without dead ends: 7380 [2023-04-03 07:22:59,002 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-04-03 07:22:59,002 INFO L413 NwaCegarLoop]: 1902 mSDtfsCounter, 2092 mSDsluCounter, 3786 mSDsCounter, 0 mSdLazyCounter, 676 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2102 SdHoareTripleChecker+Valid, 5688 SdHoareTripleChecker+Invalid, 677 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 676 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2023-04-03 07:22:59,002 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2102 Valid, 5688 Invalid, 677 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 676 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2023-04-03 07:22:59,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7380 states. [2023-04-03 07:22:59,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7380 to 7380. [2023-04-03 07:22:59,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7380 states, 3958 states have (on average 1.203132895401718) internal successors, (4762), 4184 states have internal predecessors, (4762), 2387 states have call successors, (2387), 1108 states have call predecessors, (2387), 1032 states have return successors, (2566), 2149 states have call predecessors, (2566), 2382 states have call successors, (2566) [2023-04-03 07:22:59,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7380 states to 7380 states and 9715 transitions. [2023-04-03 07:22:59,476 INFO L78 Accepts]: Start accepts. Automaton has 7380 states and 9715 transitions. Word has length 179 [2023-04-03 07:22:59,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:22:59,478 INFO L495 AbstractCegarLoop]: Abstraction has 7380 states and 9715 transitions. [2023-04-03 07:22:59,479 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, (32), 3 states have call predecessors, (32), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-04-03 07:22:59,479 INFO L276 IsEmpty]: Start isEmpty. Operand 7380 states and 9715 transitions. [2023-04-03 07:22:59,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2023-04-03 07:22:59,482 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:22:59,482 INFO L195 NwaCegarLoop]: trace histogram [11, 7, 7, 7, 7, 7, 7, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 07:22:59,482 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-04-03 07:22:59,482 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_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 07:22:59,482 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:22:59,483 INFO L85 PathProgramCache]: Analyzing trace with hash -1972047607, now seen corresponding path program 1 times [2023-04-03 07:22:59,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:22:59,483 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1952375117] [2023-04-03 07:22:59,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:22:59,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:22:59,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:22:59,912 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 262 trivial. 0 not checked. [2023-04-03 07:22:59,912 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:22:59,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1952375117] [2023-04-03 07:22:59,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1952375117] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:22:59,912 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:22:59,913 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 07:22:59,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [210510481] [2023-04-03 07:22:59,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:22:59,914 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 07:22:59,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:22:59,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 07:22:59,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 07:22:59,915 INFO L87 Difference]: Start difference. First operand 7380 states and 9715 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, (33), 3 states have call predecessors, (33), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2023-04-03 07:23:02,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:23:02,452 INFO L93 Difference]: Finished difference Result 7386 states and 9720 transitions. [2023-04-03 07:23:02,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 07:23:02,452 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, (33), 3 states have call predecessors, (33), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 184 [2023-04-03 07:23:02,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:23:02,484 INFO L225 Difference]: With dead ends: 7386 [2023-04-03 07:23:02,484 INFO L226 Difference]: Without dead ends: 7384 [2023-04-03 07:23:02,488 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-04-03 07:23:02,489 INFO L413 NwaCegarLoop]: 1902 mSDtfsCounter, 2092 mSDsluCounter, 3786 mSDsCounter, 0 mSdLazyCounter, 676 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2101 SdHoareTripleChecker+Valid, 5688 SdHoareTripleChecker+Invalid, 677 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 676 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2023-04-03 07:23:02,489 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2101 Valid, 5688 Invalid, 677 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 676 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2023-04-03 07:23:02,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7384 states. [2023-04-03 07:23:02,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7384 to 7384. [2023-04-03 07:23:02,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7384 states, 3961 states have (on average 1.2029790456955314) internal successors, (4765), 4187 states have internal predecessors, (4765), 2387 states have call successors, (2387), 1109 states have call predecessors, (2387), 1033 states have return successors, (2566), 2149 states have call predecessors, (2566), 2382 states have call successors, (2566) [2023-04-03 07:23:02,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7384 states to 7384 states and 9718 transitions. [2023-04-03 07:23:02,990 INFO L78 Accepts]: Start accepts. Automaton has 7384 states and 9718 transitions. Word has length 184 [2023-04-03 07:23:02,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:23:02,991 INFO L495 AbstractCegarLoop]: Abstraction has 7384 states and 9718 transitions. [2023-04-03 07:23:02,991 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, (33), 3 states have call predecessors, (33), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2023-04-03 07:23:02,991 INFO L276 IsEmpty]: Start isEmpty. Operand 7384 states and 9718 transitions. [2023-04-03 07:23:02,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2023-04-03 07:23:02,994 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:23:02,994 INFO L195 NwaCegarLoop]: trace histogram [11, 7, 7, 7, 7, 7, 7, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 07:23:02,995 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-04-03 07:23:02,995 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_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 07:23:02,996 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:23:02,996 INFO L85 PathProgramCache]: Analyzing trace with hash 1570500113, now seen corresponding path program 1 times [2023-04-03 07:23:02,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:23:02,996 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1160388927] [2023-04-03 07:23:02,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:23:02,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:23:03,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:23:03,421 INFO L134 CoverageAnalysis]: Checked inductivity of 283 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2023-04-03 07:23:03,422 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:23:03,422 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1160388927] [2023-04-03 07:23:03,422 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1160388927] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:23:03,422 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:23:03,422 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 07:23:03,422 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828703653] [2023-04-03 07:23:03,422 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:23:03,423 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 07:23:03,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:23:03,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 07:23:03,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 07:23:03,423 INFO L87 Difference]: Start difference. First operand 7384 states and 9718 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, (34), 3 states have call predecessors, (34), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2023-04-03 07:23:05,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:23:05,528 INFO L93 Difference]: Finished difference Result 7390 states and 9723 transitions. [2023-04-03 07:23:05,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 07:23:05,529 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, (34), 3 states have call predecessors, (34), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 189 [2023-04-03 07:23:05,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:23:05,561 INFO L225 Difference]: With dead ends: 7390 [2023-04-03 07:23:05,562 INFO L226 Difference]: Without dead ends: 7388 [2023-04-03 07:23:05,566 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-04-03 07:23:05,566 INFO L413 NwaCegarLoop]: 1902 mSDtfsCounter, 2092 mSDsluCounter, 3786 mSDsCounter, 0 mSdLazyCounter, 676 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2100 SdHoareTripleChecker+Valid, 5688 SdHoareTripleChecker+Invalid, 677 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 676 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-04-03 07:23:05,567 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2100 Valid, 5688 Invalid, 677 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 676 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-04-03 07:23:05,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7388 states. [2023-04-03 07:23:05,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7388 to 7388. [2023-04-03 07:23:05,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7388 states, 3964 states have (on average 1.2028254288597375) internal successors, (4768), 4190 states have internal predecessors, (4768), 2387 states have call successors, (2387), 1110 states have call predecessors, (2387), 1034 states have return successors, (2566), 2149 states have call predecessors, (2566), 2382 states have call successors, (2566) [2023-04-03 07:23:06,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7388 states to 7388 states and 9721 transitions. [2023-04-03 07:23:06,021 INFO L78 Accepts]: Start accepts. Automaton has 7388 states and 9721 transitions. Word has length 189 [2023-04-03 07:23:06,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:23:06,021 INFO L495 AbstractCegarLoop]: Abstraction has 7388 states and 9721 transitions. [2023-04-03 07:23:06,022 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, (34), 3 states have call predecessors, (34), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2023-04-03 07:23:06,022 INFO L276 IsEmpty]: Start isEmpty. Operand 7388 states and 9721 transitions. [2023-04-03 07:23:06,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2023-04-03 07:23:06,025 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:23:06,025 INFO L195 NwaCegarLoop]: trace histogram [11, 7, 7, 7, 7, 7, 7, 5, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 07:23:06,025 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-04-03 07:23:06,025 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_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 07:23:06,025 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:23:06,026 INFO L85 PathProgramCache]: Analyzing trace with hash 1510927817, now seen corresponding path program 1 times [2023-04-03 07:23:06,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:23:06,026 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1047363225] [2023-04-03 07:23:06,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:23:06,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:23:06,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:23:06,483 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2023-04-03 07:23:06,483 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:23:06,483 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1047363225] [2023-04-03 07:23:06,483 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1047363225] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:23:06,483 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:23:06,484 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 07:23:06,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683143115] [2023-04-03 07:23:06,484 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:23:06,484 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 07:23:06,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:23:06,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 07:23:06,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 07:23:06,485 INFO L87 Difference]: Start difference. First operand 7388 states and 9721 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, (35), 3 states have call predecessors, (35), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-04-03 07:23:08,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:23:08,912 INFO L93 Difference]: Finished difference Result 7394 states and 9726 transitions. [2023-04-03 07:23:08,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 07:23:08,913 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, (35), 3 states have call predecessors, (35), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 194 [2023-04-03 07:23:08,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:23:08,947 INFO L225 Difference]: With dead ends: 7394 [2023-04-03 07:23:08,948 INFO L226 Difference]: Without dead ends: 7392 [2023-04-03 07:23:08,953 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-04-03 07:23:08,953 INFO L413 NwaCegarLoop]: 1902 mSDtfsCounter, 2092 mSDsluCounter, 3786 mSDsCounter, 0 mSdLazyCounter, 676 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2099 SdHoareTripleChecker+Valid, 5688 SdHoareTripleChecker+Invalid, 677 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 676 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2023-04-03 07:23:08,953 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2099 Valid, 5688 Invalid, 677 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 676 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2023-04-03 07:23:08,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7392 states. [2023-04-03 07:23:09,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7392 to 7392. [2023-04-03 07:23:09,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7392 states, 3967 states have (on average 1.2026720443660197) internal successors, (4771), 4193 states have internal predecessors, (4771), 2387 states have call successors, (2387), 1111 states have call predecessors, (2387), 1035 states have return successors, (2566), 2149 states have call predecessors, (2566), 2382 states have call successors, (2566) [2023-04-03 07:23:09,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7392 states to 7392 states and 9724 transitions. [2023-04-03 07:23:09,513 INFO L78 Accepts]: Start accepts. Automaton has 7392 states and 9724 transitions. Word has length 194 [2023-04-03 07:23:09,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:23:09,515 INFO L495 AbstractCegarLoop]: Abstraction has 7392 states and 9724 transitions. [2023-04-03 07:23:09,515 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, (35), 3 states have call predecessors, (35), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-04-03 07:23:09,515 INFO L276 IsEmpty]: Start isEmpty. Operand 7392 states and 9724 transitions. [2023-04-03 07:23:09,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2023-04-03 07:23:09,519 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:23:09,519 INFO L195 NwaCegarLoop]: trace histogram [11, 7, 7, 7, 7, 7, 7, 6, 5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 07:23:09,519 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-04-03 07:23:09,519 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_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 07:23:09,520 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:23:09,520 INFO L85 PathProgramCache]: Analyzing trace with hash -293676252, now seen corresponding path program 1 times [2023-04-03 07:23:09,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:23:09,520 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595625030] [2023-04-03 07:23:09,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:23:09,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:23:09,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:23:09,972 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 310 trivial. 0 not checked. [2023-04-03 07:23:09,973 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:23:09,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [595625030] [2023-04-03 07:23:09,973 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [595625030] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:23:09,973 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:23:09,974 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 07:23:09,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1136040261] [2023-04-03 07:23:09,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:23:09,974 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 07:23:09,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:23:09,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 07:23:09,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 07:23:09,975 INFO L87 Difference]: Start difference. First operand 7392 states and 9724 transitions. Second operand has 5 states, 5 states have (on average 13.8) internal successors, (69), 4 states have internal predecessors, (69), 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 07:23:12,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:23:12,325 INFO L93 Difference]: Finished difference Result 7398 states and 9729 transitions. [2023-04-03 07:23:12,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 07:23:12,326 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 4 states have internal predecessors, (69), 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 223 [2023-04-03 07:23:12,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:23:12,355 INFO L225 Difference]: With dead ends: 7398 [2023-04-03 07:23:12,355 INFO L226 Difference]: Without dead ends: 7396 [2023-04-03 07:23:12,359 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-04-03 07:23:12,360 INFO L413 NwaCegarLoop]: 1902 mSDtfsCounter, 2096 mSDsluCounter, 3786 mSDsCounter, 0 mSdLazyCounter, 676 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2102 SdHoareTripleChecker+Valid, 5688 SdHoareTripleChecker+Invalid, 677 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 676 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2023-04-03 07:23:12,360 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2102 Valid, 5688 Invalid, 677 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 676 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2023-04-03 07:23:12,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7396 states. [2023-04-03 07:23:12,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7396 to 7396. [2023-04-03 07:23:12,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7396 states, 3970 states have (on average 1.2025188916876575) internal successors, (4774), 4196 states have internal predecessors, (4774), 2387 states have call successors, (2387), 1112 states have call predecessors, (2387), 1036 states have return successors, (2566), 2149 states have call predecessors, (2566), 2382 states have call successors, (2566) [2023-04-03 07:23:12,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7396 states to 7396 states and 9727 transitions. [2023-04-03 07:23:12,957 INFO L78 Accepts]: Start accepts. Automaton has 7396 states and 9727 transitions. Word has length 223 [2023-04-03 07:23:12,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:23:12,958 INFO L495 AbstractCegarLoop]: Abstraction has 7396 states and 9727 transitions. [2023-04-03 07:23:12,958 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 4 states have internal predecessors, (69), 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 07:23:12,958 INFO L276 IsEmpty]: Start isEmpty. Operand 7396 states and 9727 transitions. [2023-04-03 07:23:12,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2023-04-03 07:23:12,962 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:23:12,962 INFO L195 NwaCegarLoop]: trace histogram [11, 7, 7, 7, 7, 7, 7, 7, 6, 6, 5, 5, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 07:23:12,962 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-04-03 07:23:12,962 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 07:23:12,963 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:23:12,963 INFO L85 PathProgramCache]: Analyzing trace with hash -1818336234, now seen corresponding path program 1 times [2023-04-03 07:23:12,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:23:12,963 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [517117573] [2023-04-03 07:23:12,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:23:12,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:23:13,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:23:13,417 INFO L134 CoverageAnalysis]: Checked inductivity of 344 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2023-04-03 07:23:13,417 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:23:13,417 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [517117573] [2023-04-03 07:23:13,417 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [517117573] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:23:13,417 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:23:13,418 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 07:23:13,418 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721498411] [2023-04-03 07:23:13,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:23:13,419 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 07:23:13,419 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:23:13,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 07:23:13,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 07:23:13,420 INFO L87 Difference]: Start difference. First operand 7396 states and 9727 transitions. Second operand has 5 states, 5 states have (on average 13.8) internal successors, (69), 4 states have internal predecessors, (69), 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 07:23:15,341 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:23:17,301 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:23:17,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:23:17,680 INFO L93 Difference]: Finished difference Result 7402 states and 9732 transitions. [2023-04-03 07:23:17,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 07:23:17,681 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 4 states have internal predecessors, (69), 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 228 [2023-04-03 07:23:17,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:23:17,705 INFO L225 Difference]: With dead ends: 7402 [2023-04-03 07:23:17,706 INFO L226 Difference]: Without dead ends: 7400 [2023-04-03 07:23:17,708 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-04-03 07:23:17,709 INFO L413 NwaCegarLoop]: 1902 mSDtfsCounter, 2096 mSDsluCounter, 3786 mSDsCounter, 0 mSdLazyCounter, 676 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2101 SdHoareTripleChecker+Valid, 5688 SdHoareTripleChecker+Invalid, 677 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 676 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2023-04-03 07:23:17,709 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2101 Valid, 5688 Invalid, 677 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 676 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2023-04-03 07:23:17,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7400 states. [2023-04-03 07:23:18,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7400 to 7400. [2023-04-03 07:23:18,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7400 states, 3973 states have (on average 1.2023659702995217) internal successors, (4777), 4199 states have internal predecessors, (4777), 2387 states have call successors, (2387), 1113 states have call predecessors, (2387), 1037 states have return successors, (2566), 2149 states have call predecessors, (2566), 2382 states have call successors, (2566) [2023-04-03 07:23:18,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7400 states to 7400 states and 9730 transitions. [2023-04-03 07:23:18,278 INFO L78 Accepts]: Start accepts. Automaton has 7400 states and 9730 transitions. Word has length 228 [2023-04-03 07:23:18,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:23:18,279 INFO L495 AbstractCegarLoop]: Abstraction has 7400 states and 9730 transitions. [2023-04-03 07:23:18,279 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 4 states have internal predecessors, (69), 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 07:23:18,279 INFO L276 IsEmpty]: Start isEmpty. Operand 7400 states and 9730 transitions. [2023-04-03 07:23:18,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2023-04-03 07:23:18,283 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:23:18,283 INFO L195 NwaCegarLoop]: trace histogram [11, 8, 7, 7, 7, 7, 7, 7, 7, 7, 5, 5, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 07:23:18,283 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-04-03 07:23:18,283 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_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 07:23:18,284 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:23:18,284 INFO L85 PathProgramCache]: Analyzing trace with hash -1467117164, now seen corresponding path program 1 times [2023-04-03 07:23:18,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:23:18,284 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [886013857] [2023-04-03 07:23:18,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:23:18,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:23:18,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:23:18,713 INFO L134 CoverageAnalysis]: Checked inductivity of 371 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 354 trivial. 0 not checked. [2023-04-03 07:23:18,713 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:23:18,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [886013857] [2023-04-03 07:23:18,713 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [886013857] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:23:18,713 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:23:18,713 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 07:23:18,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1992944913] [2023-04-03 07:23:18,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:23:18,714 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 07:23:18,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:23:18,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 07:23:18,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 07:23:18,715 INFO L87 Difference]: Start difference. First operand 7400 states and 9730 transitions. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (46), 3 states have call predecessors, (46), 2 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2023-04-03 07:23:21,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:23:21,274 INFO L93 Difference]: Finished difference Result 7406 states and 9735 transitions. [2023-04-03 07:23:21,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 07:23:21,274 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (46), 3 states have call predecessors, (46), 2 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) Word has length 234 [2023-04-03 07:23:21,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:23:21,311 INFO L225 Difference]: With dead ends: 7406 [2023-04-03 07:23:21,311 INFO L226 Difference]: Without dead ends: 7404 [2023-04-03 07:23:21,316 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-04-03 07:23:21,317 INFO L413 NwaCegarLoop]: 1902 mSDtfsCounter, 2095 mSDsluCounter, 3786 mSDsCounter, 0 mSdLazyCounter, 676 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2099 SdHoareTripleChecker+Valid, 5688 SdHoareTripleChecker+Invalid, 677 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 676 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2023-04-03 07:23:21,317 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2099 Valid, 5688 Invalid, 677 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 676 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2023-04-03 07:23:21,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7404 states. [2023-04-03 07:23:21,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7404 to 7404. [2023-04-03 07:23:21,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7404 states, 3976 states have (on average 1.2022132796780685) internal successors, (4780), 4202 states have internal predecessors, (4780), 2387 states have call successors, (2387), 1114 states have call predecessors, (2387), 1038 states have return successors, (2566), 2149 states have call predecessors, (2566), 2382 states have call successors, (2566) [2023-04-03 07:23:21,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7404 states to 7404 states and 9733 transitions. [2023-04-03 07:23:21,881 INFO L78 Accepts]: Start accepts. Automaton has 7404 states and 9733 transitions. Word has length 234 [2023-04-03 07:23:21,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:23:21,881 INFO L495 AbstractCegarLoop]: Abstraction has 7404 states and 9733 transitions. [2023-04-03 07:23:21,882 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (46), 3 states have call predecessors, (46), 2 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2023-04-03 07:23:21,882 INFO L276 IsEmpty]: Start isEmpty. Operand 7404 states and 9733 transitions. [2023-04-03 07:23:21,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2023-04-03 07:23:21,886 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:23:21,886 INFO L195 NwaCegarLoop]: trace histogram [11, 9, 8, 8, 7, 7, 7, 7, 7, 7, 5, 5, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 07:23:21,886 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-04-03 07:23:21,887 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_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 07:23:21,887 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:23:21,887 INFO L85 PathProgramCache]: Analyzing trace with hash 1422202006, now seen corresponding path program 1 times [2023-04-03 07:23:21,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:23:21,887 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1116569450] [2023-04-03 07:23:21,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:23:21,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:23:21,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:23:22,441 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 382 trivial. 0 not checked. [2023-04-03 07:23:22,441 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:23:22,441 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1116569450] [2023-04-03 07:23:22,441 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1116569450] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:23:22,441 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:23:22,442 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 07:23:22,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1591132321] [2023-04-03 07:23:22,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:23:22,442 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 07:23:22,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:23:22,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 07:23:22,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 07:23:22,444 INFO L87 Difference]: Start difference. First operand 7404 states and 9733 transitions. Second operand has 5 states, 5 states have (on average 13.8) internal successors, (69), 4 states have internal predecessors, (69), 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 07:23:26,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:23:26,366 INFO L93 Difference]: Finished difference Result 8537 states and 11141 transitions. [2023-04-03 07:23:26,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 07:23:26,366 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 4 states have internal predecessors, (69), 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 238 [2023-04-03 07:23:26,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:23:26,399 INFO L225 Difference]: With dead ends: 8537 [2023-04-03 07:23:26,399 INFO L226 Difference]: Without dead ends: 8535 [2023-04-03 07:23:26,404 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-04-03 07:23:26,404 INFO L413 NwaCegarLoop]: 2018 mSDtfsCounter, 1529 mSDsluCounter, 4899 mSDsCounter, 0 mSdLazyCounter, 807 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1532 SdHoareTripleChecker+Valid, 6917 SdHoareTripleChecker+Invalid, 809 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 807 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2023-04-03 07:23:26,405 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1532 Valid, 6917 Invalid, 809 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 807 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2023-04-03 07:23:26,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8535 states. [2023-04-03 07:23:27,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8535 to 8524. [2023-04-03 07:23:27,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8524 states, 4520 states have (on average 1.193141592920354) internal successors, (5393), 4771 states have internal predecessors, (5393), 2777 states have call successors, (2777), 1362 states have call predecessors, (2777), 1224 states have return successors, (2960), 2469 states have call predecessors, (2960), 2772 states have call successors, (2960) [2023-04-03 07:23:27,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8524 states to 8524 states and 11130 transitions. [2023-04-03 07:23:27,126 INFO L78 Accepts]: Start accepts. Automaton has 8524 states and 11130 transitions. Word has length 238 [2023-04-03 07:23:27,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:23:27,127 INFO L495 AbstractCegarLoop]: Abstraction has 8524 states and 11130 transitions. [2023-04-03 07:23:27,127 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 4 states have internal predecessors, (69), 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 07:23:27,127 INFO L276 IsEmpty]: Start isEmpty. Operand 8524 states and 11130 transitions. [2023-04-03 07:23:27,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2023-04-03 07:23:27,131 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:23:27,131 INFO L195 NwaCegarLoop]: trace histogram [11, 10, 9, 9, 7, 7, 7, 7, 7, 7, 5, 5, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 07:23:27,131 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-04-03 07:23:27,131 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_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 07:23:27,131 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:23:27,132 INFO L85 PathProgramCache]: Analyzing trace with hash -668412780, now seen corresponding path program 1 times [2023-04-03 07:23:27,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:23:27,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [713043517] [2023-04-03 07:23:27,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:23:27,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:23:27,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:23:27,656 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 414 trivial. 0 not checked. [2023-04-03 07:23:27,657 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:23:27,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [713043517] [2023-04-03 07:23:27,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [713043517] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:23:27,657 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:23:27,657 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 07:23:27,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1782647023] [2023-04-03 07:23:27,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:23:27,658 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 07:23:27,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:23:27,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 07:23:27,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 07:23:27,658 INFO L87 Difference]: Start difference. First operand 8524 states and 11130 transitions. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (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 07:23:29,583 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:23:31,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:23:31,194 INFO L93 Difference]: Finished difference Result 8530 states and 11135 transitions. [2023-04-03 07:23:31,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 07:23:31,195 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (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 244 [2023-04-03 07:23:31,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:23:31,224 INFO L225 Difference]: With dead ends: 8530 [2023-04-03 07:23:31,224 INFO L226 Difference]: Without dead ends: 8528 [2023-04-03 07:23:31,228 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-04-03 07:23:31,229 INFO L413 NwaCegarLoop]: 1902 mSDtfsCounter, 2095 mSDsluCounter, 3786 mSDsCounter, 0 mSdLazyCounter, 676 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2097 SdHoareTripleChecker+Valid, 5688 SdHoareTripleChecker+Invalid, 677 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 676 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2023-04-03 07:23:31,229 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2097 Valid, 5688 Invalid, 677 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 676 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2023-04-03 07:23:31,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8528 states. [2023-04-03 07:23:31,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8528 to 8528. [2023-04-03 07:23:31,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8528 states, 4523 states have (on average 1.1930134866239221) internal successors, (5396), 4774 states have internal predecessors, (5396), 2777 states have call successors, (2777), 1363 states have call predecessors, (2777), 1225 states have return successors, (2960), 2469 states have call predecessors, (2960), 2772 states have call successors, (2960) [2023-04-03 07:23:31,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8528 states to 8528 states and 11133 transitions. [2023-04-03 07:23:31,921 INFO L78 Accepts]: Start accepts. Automaton has 8528 states and 11133 transitions. Word has length 244 [2023-04-03 07:23:31,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:23:31,921 INFO L495 AbstractCegarLoop]: Abstraction has 8528 states and 11133 transitions. [2023-04-03 07:23:31,921 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (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 07:23:31,922 INFO L276 IsEmpty]: Start isEmpty. Operand 8528 states and 11133 transitions. [2023-04-03 07:23:31,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2023-04-03 07:23:31,926 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:23:31,926 INFO L195 NwaCegarLoop]: trace histogram [11, 7, 7, 7, 7, 7, 7, 6, 6, 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] [2023-04-03 07:23:31,926 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-04-03 07:23:31,926 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 07:23:31,927 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:23:31,927 INFO L85 PathProgramCache]: Analyzing trace with hash -1519547579, now seen corresponding path program 1 times [2023-04-03 07:23:31,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:23:31,927 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [887712556] [2023-04-03 07:23:31,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:23:31,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:23:32,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:23:32,349 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 285 trivial. 0 not checked. [2023-04-03 07:23:32,350 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:23:32,350 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [887712556] [2023-04-03 07:23:32,350 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [887712556] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:23:32,350 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:23:32,350 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 07:23:32,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1482550214] [2023-04-03 07:23:32,350 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:23:32,351 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 07:23:32,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:23:32,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 07:23:32,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 07:23:32,351 INFO L87 Difference]: Start difference. First operand 8528 states and 11133 transitions. Second operand has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 3 states have call successors, (50), 3 states have call predecessors, (50), 2 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2023-04-03 07:23:34,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:23:34,538 INFO L93 Difference]: Finished difference Result 18691 states and 24461 transitions. [2023-04-03 07:23:34,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 07:23:34,539 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 3 states have call successors, (50), 3 states have call predecessors, (50), 2 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) Word has length 232 [2023-04-03 07:23:34,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:23:34,572 INFO L225 Difference]: With dead ends: 18691 [2023-04-03 07:23:34,572 INFO L226 Difference]: Without dead ends: 10278 [2023-04-03 07:23:34,604 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 07:23:34,604 INFO L413 NwaCegarLoop]: 2491 mSDtfsCounter, 709 mSDsluCounter, 1910 mSDsCounter, 0 mSdLazyCounter, 557 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 709 SdHoareTripleChecker+Valid, 4401 SdHoareTripleChecker+Invalid, 570 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 557 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-04-03 07:23:34,605 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [709 Valid, 4401 Invalid, 570 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 557 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-04-03 07:23:34,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10278 states. [2023-04-03 07:23:35,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10278 to 10135. [2023-04-03 07:23:35,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10135 states, 5386 states have (on average 1.1932788711474192) internal successors, (6427), 5705 states have internal predecessors, (6427), 3278 states have call successors, (3278), 1694 states have call predecessors, (3278), 1468 states have return successors, (3515), 2822 states have call predecessors, (3515), 3273 states have call successors, (3515) [2023-04-03 07:23:35,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10135 states to 10135 states and 13220 transitions. [2023-04-03 07:23:35,318 INFO L78 Accepts]: Start accepts. Automaton has 10135 states and 13220 transitions. Word has length 232 [2023-04-03 07:23:35,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:23:35,319 INFO L495 AbstractCegarLoop]: Abstraction has 10135 states and 13220 transitions. [2023-04-03 07:23:35,319 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 3 states have call successors, (50), 3 states have call predecessors, (50), 2 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2023-04-03 07:23:35,319 INFO L276 IsEmpty]: Start isEmpty. Operand 10135 states and 13220 transitions. [2023-04-03 07:23:35,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2023-04-03 07:23:35,321 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:23:35,321 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 10, 10, 7, 7, 7, 7, 7, 7, 5, 5, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 07:23:35,322 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-04-03 07:23:35,322 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 07:23:35,322 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:23:35,322 INFO L85 PathProgramCache]: Analyzing trace with hash -237293658, now seen corresponding path program 1 times [2023-04-03 07:23:35,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:23:35,322 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1252713606] [2023-04-03 07:23:35,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:23:35,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:23:35,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:23:35,755 INFO L134 CoverageAnalysis]: Checked inductivity of 473 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 450 trivial. 0 not checked. [2023-04-03 07:23:35,756 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:23:35,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1252713606] [2023-04-03 07:23:35,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1252713606] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:23:35,757 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:23:35,758 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 07:23:35,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437615964] [2023-04-03 07:23:35,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:23:35,758 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 07:23:35,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:23:35,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 07:23:35,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 07:23:35,759 INFO L87 Difference]: Start difference. First operand 10135 states and 13220 transitions. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (49), 3 states have call predecessors, (49), 2 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) [2023-04-03 07:23:38,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:23:38,218 INFO L93 Difference]: Finished difference Result 10141 states and 13225 transitions. [2023-04-03 07:23:38,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 07:23:38,218 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (49), 3 states have call predecessors, (49), 2 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) Word has length 249 [2023-04-03 07:23:38,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:23:38,251 INFO L225 Difference]: With dead ends: 10141 [2023-04-03 07:23:38,252 INFO L226 Difference]: Without dead ends: 10137 [2023-04-03 07:23:38,256 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-04-03 07:23:38,257 INFO L413 NwaCegarLoop]: 1902 mSDtfsCounter, 2095 mSDsluCounter, 3786 mSDsCounter, 0 mSdLazyCounter, 676 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2096 SdHoareTripleChecker+Valid, 5688 SdHoareTripleChecker+Invalid, 677 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 676 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2023-04-03 07:23:38,257 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2096 Valid, 5688 Invalid, 677 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 676 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2023-04-03 07:23:38,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10137 states. [2023-04-03 07:23:39,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10137 to 10137. [2023-04-03 07:23:39,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10137 states, 5388 states have (on average 1.1930215293244246) internal successors, (6428), 5706 states have internal predecessors, (6428), 3278 states have call successors, (3278), 1695 states have call predecessors, (3278), 1468 states have return successors, (3515), 2822 states have call predecessors, (3515), 3273 states have call successors, (3515) [2023-04-03 07:23:39,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10137 states to 10137 states and 13221 transitions. [2023-04-03 07:23:39,047 INFO L78 Accepts]: Start accepts. Automaton has 10137 states and 13221 transitions. Word has length 249 [2023-04-03 07:23:39,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:23:39,048 INFO L495 AbstractCegarLoop]: Abstraction has 10137 states and 13221 transitions. [2023-04-03 07:23:39,048 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (49), 3 states have call predecessors, (49), 2 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) [2023-04-03 07:23:39,048 INFO L276 IsEmpty]: Start isEmpty. Operand 10137 states and 13221 transitions. [2023-04-03 07:23:39,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2023-04-03 07:23:39,051 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:23:39,051 INFO L195 NwaCegarLoop]: trace histogram [12, 11, 11, 11, 7, 7, 7, 7, 7, 7, 5, 5, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 07:23:39,051 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-04-03 07:23:39,051 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 07:23:39,051 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:23:39,052 INFO L85 PathProgramCache]: Analyzing trace with hash 2134771604, now seen corresponding path program 1 times [2023-04-03 07:23:39,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:23:39,052 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [305609976] [2023-04-03 07:23:39,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:23:39,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:23:39,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:23:39,466 INFO L134 CoverageAnalysis]: Checked inductivity of 515 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 490 trivial. 0 not checked. [2023-04-03 07:23:39,466 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:23:39,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [305609976] [2023-04-03 07:23:39,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [305609976] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:23:39,466 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:23:39,466 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 07:23:39,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [173615234] [2023-04-03 07:23:39,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:23:39,467 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 07:23:39,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:23:39,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 07:23:39,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 07:23:39,468 INFO L87 Difference]: Start difference. First operand 10137 states and 13221 transitions. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (50), 3 states have call predecessors, (50), 2 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) [2023-04-03 07:23:42,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:23:42,100 INFO L93 Difference]: Finished difference Result 10137 states and 13221 transitions. [2023-04-03 07:23:42,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 07:23:42,101 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (50), 3 states have call predecessors, (50), 2 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) Word has length 254 [2023-04-03 07:23:42,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:23:42,131 INFO L225 Difference]: With dead ends: 10137 [2023-04-03 07:23:42,132 INFO L226 Difference]: Without dead ends: 9966 [2023-04-03 07:23:42,137 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-04-03 07:23:42,137 INFO L413 NwaCegarLoop]: 1900 mSDtfsCounter, 2091 mSDsluCounter, 3785 mSDsCounter, 0 mSdLazyCounter, 671 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2091 SdHoareTripleChecker+Valid, 5685 SdHoareTripleChecker+Invalid, 672 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 671 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2023-04-03 07:23:42,138 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2091 Valid, 5685 Invalid, 672 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 671 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2023-04-03 07:23:42,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9966 states. [2023-04-03 07:23:42,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9966 to 9966. [2023-04-03 07:23:42,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9966 states, 5330 states have (on average 1.1883677298311444) internal successors, (6334), 5612 states have internal predecessors, (6334), 3183 states have call successors, (3183), 1662 states have call predecessors, (3183), 1451 states have return successors, (3424), 2778 states have call predecessors, (3424), 3182 states have call successors, (3424) [2023-04-03 07:23:43,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9966 states to 9966 states and 12941 transitions. [2023-04-03 07:23:43,020 INFO L78 Accepts]: Start accepts. Automaton has 9966 states and 12941 transitions. Word has length 254 [2023-04-03 07:23:43,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:23:43,021 INFO L495 AbstractCegarLoop]: Abstraction has 9966 states and 12941 transitions. [2023-04-03 07:23:43,021 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (50), 3 states have call predecessors, (50), 2 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) [2023-04-03 07:23:43,021 INFO L276 IsEmpty]: Start isEmpty. Operand 9966 states and 12941 transitions. [2023-04-03 07:23:43,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2023-04-03 07:23:43,024 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:23:43,025 INFO L195 NwaCegarLoop]: trace histogram [13, 8, 8, 7, 7, 7, 7, 7, 7, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:23:43,025 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-04-03 07:23:43,025 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 07:23:43,025 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:23:43,025 INFO L85 PathProgramCache]: Analyzing trace with hash 1779412308, now seen corresponding path program 1 times [2023-04-03 07:23:43,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:23:43,026 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1338509177] [2023-04-03 07:23:43,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:23:43,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:23:43,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:23:44,588 INFO L134 CoverageAnalysis]: Checked inductivity of 386 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 383 trivial. 0 not checked. [2023-04-03 07:23:44,588 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:23:44,588 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1338509177] [2023-04-03 07:23:44,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1338509177] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-03 07:23:44,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [243369297] [2023-04-03 07:23:44,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:23:44,589 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 07:23:44,589 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 07:23:44,592 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-03 07:23:44,593 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-04-03 07:23:45,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:23:45,613 INFO L262 TraceCheckSpWp]: Trace formula consists of 5084 conjuncts, 56 conjunts are in the unsatisfiable core [2023-04-03 07:23:45,646 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-03 07:23:46,098 INFO L134 CoverageAnalysis]: Checked inductivity of 386 backedges. 14 proven. 49 refuted. 0 times theorem prover too weak. 323 trivial. 0 not checked. [2023-04-03 07:23:46,098 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-03 07:23:46,640 INFO L134 CoverageAnalysis]: Checked inductivity of 386 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 383 trivial. 0 not checked. [2023-04-03 07:23:46,640 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [243369297] provided 1 perfect and 1 imperfect interpolant sequences [2023-04-03 07:23:46,640 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-04-03 07:23:46,640 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6, 6] total 9 [2023-04-03 07:23:46,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1688712662] [2023-04-03 07:23:46,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:23:46,641 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-04-03 07:23:46,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:23:46,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-04-03 07:23:46,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2023-04-03 07:23:46,642 INFO L87 Difference]: Start difference. First operand 9966 states and 12941 transitions. Second operand has 6 states, 6 states have (on average 17.666666666666668) internal successors, (106), 5 states have internal predecessors, (106), 3 states have call successors, (55), 4 states have call predecessors, (55), 3 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2023-04-03 07:23:51,245 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:23:54,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:23:54,461 INFO L93 Difference]: Finished difference Result 9979 states and 12952 transitions. [2023-04-03 07:23:54,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-04-03 07:23:54,462 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 17.666666666666668) internal successors, (106), 5 states have internal predecessors, (106), 3 states have call successors, (55), 4 states have call predecessors, (55), 3 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) Word has length 278 [2023-04-03 07:23:54,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:23:54,498 INFO L225 Difference]: With dead ends: 9979 [2023-04-03 07:23:54,498 INFO L226 Difference]: Without dead ends: 9977 [2023-04-03 07:23:54,504 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 576 GetRequests, 566 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2023-04-03 07:23:54,504 INFO L413 NwaCegarLoop]: 1599 mSDtfsCounter, 2579 mSDsluCounter, 3292 mSDsCounter, 0 mSdLazyCounter, 2873 mSolverCounterSat, 732 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2752 SdHoareTripleChecker+Valid, 4891 SdHoareTripleChecker+Invalid, 3605 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 732 IncrementalHoareTripleChecker+Valid, 2873 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.9s IncrementalHoareTripleChecker+Time [2023-04-03 07:23:54,505 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2752 Valid, 4891 Invalid, 3605 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [732 Valid, 2873 Invalid, 0 Unknown, 0 Unchecked, 6.9s Time] [2023-04-03 07:23:54,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9977 states. [2023-04-03 07:23:55,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9977 to 9966. [2023-04-03 07:23:55,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9966 states, 5330 states have (on average 1.1863039399624766) internal successors, (6323), 5612 states have internal predecessors, (6323), 3183 states have call successors, (3183), 1662 states have call predecessors, (3183), 1451 states have return successors, (3424), 2778 states have call predecessors, (3424), 3182 states have call successors, (3424) [2023-04-03 07:23:55,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9966 states to 9966 states and 12930 transitions. [2023-04-03 07:23:55,539 INFO L78 Accepts]: Start accepts. Automaton has 9966 states and 12930 transitions. Word has length 278 [2023-04-03 07:23:55,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:23:55,539 INFO L495 AbstractCegarLoop]: Abstraction has 9966 states and 12930 transitions. [2023-04-03 07:23:55,540 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.666666666666668) internal successors, (106), 5 states have internal predecessors, (106), 3 states have call successors, (55), 4 states have call predecessors, (55), 3 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2023-04-03 07:23:55,540 INFO L276 IsEmpty]: Start isEmpty. Operand 9966 states and 12930 transitions. [2023-04-03 07:23:55,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 929 [2023-04-03 07:23:55,553 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:23:55,554 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 13, 7, 7, 7, 7, 7, 7, 5, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 07:23:55,577 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-04-03 07:23:55,777 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2023-04-03 07:23:55,778 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 07:23:55,778 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:23:55,778 INFO L85 PathProgramCache]: Analyzing trace with hash 1109362286, now seen corresponding path program 1 times [2023-04-03 07:23:55,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:23:55,779 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [164310973] [2023-04-03 07:23:55,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:23:55,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:23:56,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:23:56,632 INFO L134 CoverageAnalysis]: Checked inductivity of 4827 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4827 trivial. 0 not checked. [2023-04-03 07:23:56,632 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:23:56,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [164310973] [2023-04-03 07:23:56,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [164310973] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:23:56,633 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:23:56,633 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 07:23:56,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [906820636] [2023-04-03 07:23:56,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:23:56,635 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 07:23:56,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:23:56,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 07:23:56,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 07:23:56,636 INFO L87 Difference]: Start difference. First operand 9966 states and 12930 transitions. Second operand has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 3 states have internal predecessors, (149), 2 states have call successors, (92), 2 states have call predecessors, (92), 2 states have return successors, (81), 2 states have call predecessors, (81), 2 states have call successors, (81) [2023-04-03 07:23:59,038 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:23:59,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:23:59,469 INFO L93 Difference]: Finished difference Result 19889 states and 26087 transitions. [2023-04-03 07:23:59,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 07:23:59,469 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 3 states have internal predecessors, (149), 2 states have call successors, (92), 2 states have call predecessors, (92), 2 states have return successors, (81), 2 states have call predecessors, (81), 2 states have call successors, (81) Word has length 928 [2023-04-03 07:23:59,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:23:59,521 INFO L225 Difference]: With dead ends: 19889 [2023-04-03 07:23:59,521 INFO L226 Difference]: Without dead ends: 10038 [2023-04-03 07:23:59,564 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 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 07:23:59,564 INFO L413 NwaCegarLoop]: 1852 mSDtfsCounter, 6 mSDsluCounter, 1847 mSDsCounter, 0 mSdLazyCounter, 446 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 3699 SdHoareTripleChecker+Invalid, 446 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 446 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2023-04-03 07:23:59,565 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 3699 Invalid, 446 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 446 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2023-04-03 07:23:59,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10038 states. [2023-04-03 07:24:00,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10038 to 9974. [2023-04-03 07:24:00,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9974 states, 5338 states have (on average 1.1860247283626826) internal successors, (6331), 5620 states have internal predecessors, (6331), 3183 states have call successors, (3183), 1662 states have call predecessors, (3183), 1451 states have return successors, (3424), 2778 states have call predecessors, (3424), 3182 states have call successors, (3424) [2023-04-03 07:24:00,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9974 states to 9974 states and 12938 transitions. [2023-04-03 07:24:00,627 INFO L78 Accepts]: Start accepts. Automaton has 9974 states and 12938 transitions. Word has length 928 [2023-04-03 07:24:00,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:24:00,628 INFO L495 AbstractCegarLoop]: Abstraction has 9974 states and 12938 transitions. [2023-04-03 07:24:00,628 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 3 states have internal predecessors, (149), 2 states have call successors, (92), 2 states have call predecessors, (92), 2 states have return successors, (81), 2 states have call predecessors, (81), 2 states have call successors, (81) [2023-04-03 07:24:00,628 INFO L276 IsEmpty]: Start isEmpty. Operand 9974 states and 12938 transitions. [2023-04-03 07:24:00,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1013 [2023-04-03 07:24:00,642 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:24:00,642 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 16, 16, 16, 16, 16, 16, 16, 13, 7, 7, 7, 7, 7, 7, 5, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:24:00,642 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-04-03 07:24:00,643 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 07:24:00,643 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:24:00,643 INFO L85 PathProgramCache]: Analyzing trace with hash -610969205, now seen corresponding path program 1 times [2023-04-03 07:24:00,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:24:00,644 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1071094788] [2023-04-03 07:24:00,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:24:00,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:24:00,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:24:01,493 INFO L134 CoverageAnalysis]: Checked inductivity of 5948 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5947 trivial. 0 not checked. [2023-04-03 07:24:01,494 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:24:01,494 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1071094788] [2023-04-03 07:24:01,494 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1071094788] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-03 07:24:01,494 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [455127678] [2023-04-03 07:24:01,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:24:01,495 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 07:24:01,495 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 07:24:01,496 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-03 07:24:01,497 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-04-03 07:24:03,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:24:03,150 INFO L262 TraceCheckSpWp]: Trace formula consists of 9332 conjuncts, 3 conjunts are in the unsatisfiable core [2023-04-03 07:24:03,175 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-03 07:24:03,263 INFO L134 CoverageAnalysis]: Checked inductivity of 5948 backedges. 1188 proven. 1 refuted. 0 times theorem prover too weak. 4759 trivial. 0 not checked. [2023-04-03 07:24:03,264 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-03 07:24:05,836 INFO L134 CoverageAnalysis]: Checked inductivity of 5948 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5947 trivial. 0 not checked. [2023-04-03 07:24:05,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [455127678] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-03 07:24:05,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2111068994] [2023-04-03 07:24:05,872 INFO L159 IcfgInterpreter]: Started Sifa with 297 locations of interest [2023-04-03 07:24:05,872 INFO L166 IcfgInterpreter]: Building call graph [2023-04-03 07:24:05,877 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-04-03 07:24:05,881 INFO L176 IcfgInterpreter]: Starting interpretation [2023-04-03 07:24:05,882 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-04-03 07:24:54,895 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 256 for LOIs [2023-04-03 07:25:14,122 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 271 for LOIs [2023-04-03 07:25:59,291 WARN L223 SmtUtils]: Spent 39.81s on a formula simplification. DAG size of input: 8155 DAG size of output: 224 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm)