./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-micrel-ks8851.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8fc3dc66 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-micrel-ks8851.cil.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash adad89b7f673beaaf8bb114b70e1447440d8d3333aba6712cecf0b1e8decf472 --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-17 09:22:10,697 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-17 09:22:10,759 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-17 09:22:10,768 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-17 09:22:10,769 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-17 09:22:10,791 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-17 09:22:10,792 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-17 09:22:10,792 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-17 09:22:10,793 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-17 09:22:10,793 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-17 09:22:10,794 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-17 09:22:10,794 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-17 09:22:10,794 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-17 09:22:10,794 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-17 09:22:10,794 INFO L153 SettingsManager]: * Use SBE=true [2025-03-17 09:22:10,794 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-17 09:22:10,794 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-17 09:22:10,794 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-17 09:22:10,795 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-17 09:22:10,795 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-17 09:22:10,795 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-17 09:22:10,795 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-17 09:22:10,795 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-17 09:22:10,795 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-17 09:22:10,795 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-17 09:22:10,795 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-17 09:22:10,796 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-17 09:22:10,796 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-17 09:22:10,796 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-17 09:22:10,796 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 09:22:10,796 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-17 09:22:10,796 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-17 09:22:10,796 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-17 09:22:10,797 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-17 09:22:10,797 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-17 09:22:10,797 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-17 09:22:10,797 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-17 09:22:10,797 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-17 09:22:10,797 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-17 09:22:10,797 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-17 09:22:10,797 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> adad89b7f673beaaf8bb114b70e1447440d8d3333aba6712cecf0b1e8decf472 [2025-03-17 09:22:11,063 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-17 09:22:11,073 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-17 09:22:11,075 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-17 09:22:11,075 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-17 09:22:11,076 INFO L274 PluginConnector]: CDTParser initialized [2025-03-17 09:22:11,076 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-micrel-ks8851.cil.i [2025-03-17 09:22:12,236 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/059934aa2/02018f1746d541e682e6b07a64ae8a11/FLAG3d408ae4a [2025-03-17 09:22:12,739 INFO L384 CDTParser]: Found 1 translation units. [2025-03-17 09:22:12,739 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-micrel-ks8851.cil.i [2025-03-17 09:22:12,775 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/059934aa2/02018f1746d541e682e6b07a64ae8a11/FLAG3d408ae4a [2025-03-17 09:22:12,792 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/059934aa2/02018f1746d541e682e6b07a64ae8a11 [2025-03-17 09:22:12,794 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-17 09:22:12,795 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-17 09:22:12,796 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-17 09:22:12,796 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-17 09:22:12,799 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-17 09:22:12,800 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 09:22:12" (1/1) ... [2025-03-17 09:22:12,801 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cfa0c42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 09:22:12, skipping insertion in model container [2025-03-17 09:22:12,802 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 09:22:12" (1/1) ... [2025-03-17 09:22:12,904 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 09:22:14,901 WARN L250 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-mutex_drivers-net-ethernet-micrel-ks8851.cil.i[295786,295799] [2025-03-17 09:22:14,904 WARN L250 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-mutex_drivers-net-ethernet-micrel-ks8851.cil.i[295952,295965] [2025-03-17 09:22:14,904 WARN L250 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-mutex_drivers-net-ethernet-micrel-ks8851.cil.i[296116,296129] [2025-03-17 09:22:14,904 WARN L250 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-mutex_drivers-net-ethernet-micrel-ks8851.cil.i[296281,296294] [2025-03-17 09:22:14,926 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 09:22:14,941 INFO L200 MainTranslator]: Completed pre-run [2025-03-17 09:22:15,028 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [5204] [2025-03-17 09:22:15,030 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [5211] [2025-03-17 09:22:15,030 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5218] [2025-03-17 09:22:15,175 WARN L250 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-mutex_drivers-net-ethernet-micrel-ks8851.cil.i[295786,295799] [2025-03-17 09:22:15,182 WARN L250 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-mutex_drivers-net-ethernet-micrel-ks8851.cil.i[295952,295965] [2025-03-17 09:22:15,182 WARN L250 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-mutex_drivers-net-ethernet-micrel-ks8851.cil.i[296116,296129] [2025-03-17 09:22:15,182 WARN L250 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-mutex_drivers-net-ethernet-micrel-ks8851.cil.i[296281,296294] [2025-03-17 09:22:15,188 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 09:22:15,309 INFO L204 MainTranslator]: Completed translation [2025-03-17 09:22:15,311 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 09:22:15 WrapperNode [2025-03-17 09:22:15,311 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-17 09:22:15,312 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-17 09:22:15,312 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-17 09:22:15,313 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-17 09:22:15,317 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 09:22:15" (1/1) ... [2025-03-17 09:22:15,379 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 09:22:15" (1/1) ... [2025-03-17 09:22:15,514 INFO L138 Inliner]: procedures = 395, calls = 1651, calls flagged for inlining = 231, calls inlined = 193, statements flattened = 4561 [2025-03-17 09:22:15,515 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-17 09:22:15,516 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-17 09:22:15,516 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-17 09:22:15,516 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-17 09:22:15,523 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 09:22:15" (1/1) ... [2025-03-17 09:22:15,523 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 09:22:15" (1/1) ... [2025-03-17 09:22:15,545 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 09:22:15" (1/1) ... [2025-03-17 09:22:16,207 INFO L175 MemorySlicer]: Split 676 memory accesses to 14 slices as follows [424, 4, 3, 25, 2, 77, 1, 2, 77, 7, 8, 40, 4, 2]. 63 percent of accesses are in the largest equivalence class. The 125 initializations are split as follows [19, 4, 3, 0, 0, 77, 1, 2, 0, 7, 8, 0, 4, 0]. The 329 writes are split as follows [238, 0, 0, 23, 1, 0, 0, 0, 66, 0, 0, 0, 0, 1]. [2025-03-17 09:22:16,208 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 09:22:15" (1/1) ... [2025-03-17 09:22:16,208 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 09:22:15" (1/1) ... [2025-03-17 09:22:16,302 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 09:22:15" (1/1) ... [2025-03-17 09:22:16,317 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 09:22:15" (1/1) ... [2025-03-17 09:22:16,348 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 09:22:15" (1/1) ... [2025-03-17 09:22:16,364 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 09:22:15" (1/1) ... [2025-03-17 09:22:16,402 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-17 09:22:16,403 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-17 09:22:16,403 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-17 09:22:16,403 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-17 09:22:16,404 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 09:22:15" (1/1) ... [2025-03-17 09:22:16,409 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 09:22:16,420 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 09:22:16,432 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-17 09:22:16,438 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-17 09:22:16,454 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2025-03-17 09:22:16,454 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2025-03-17 09:22:16,454 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2025-03-17 09:22:16,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2025-03-17 09:22:16,454 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_ks8851_driver_exit_14_2 [2025-03-17 09:22:16,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_ks8851_driver_exit_14_2 [2025-03-17 09:22:16,454 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2025-03-17 09:22:16,454 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2025-03-17 09:22:16,454 INFO L130 BoogieDeclarations]: Found specification of procedure ks8851_resume [2025-03-17 09:22:16,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8851_resume [2025-03-17 09:22:16,455 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2025-03-17 09:22:16,455 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2025-03-17 09:22:16,455 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2025-03-17 09:22:16,455 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2025-03-17 09:22:16,455 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_netdev_dbg [2025-03-17 09:22:16,455 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_netdev_dbg [2025-03-17 09:22:16,455 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2025-03-17 09:22:16,455 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2025-03-17 09:22:16,455 INFO L130 BoogieDeclarations]: Found specification of procedure ks8851_net_stop [2025-03-17 09:22:16,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8851_net_stop [2025-03-17 09:22:16,455 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2025-03-17 09:22:16,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2025-03-17 09:22:16,455 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2025-03-17 09:22:16,455 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2025-03-17 09:22:16,455 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2025-03-17 09:22:16,455 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2025-03-17 09:22:16,455 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2025-03-17 09:22:16,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2025-03-17 09:22:16,455 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2025-03-17 09:22:16,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2025-03-17 09:22:16,456 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-17 09:22:16,456 INFO L130 BoogieDeclarations]: Found specification of procedure spi_message_add_tail [2025-03-17 09:22:16,456 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_message_add_tail [2025-03-17 09:22:16,456 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2025-03-17 09:22:16,456 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2025-03-17 09:22:16,456 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2025-03-17 09:22:16,456 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2025-03-17 09:22:16,456 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2025-03-17 09:22:16,456 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2025-03-17 09:22:16,456 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2025-03-17 09:22:16,456 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2025-03-17 09:22:16,456 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2025-03-17 09:22:16,456 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2025-03-17 09:22:16,456 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2025-03-17 09:22:16,456 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2025-03-17 09:22:16,456 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2025-03-17 09:22:16,456 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2025-03-17 09:22:16,456 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2025-03-17 09:22:16,456 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2025-03-17 09:22:16,456 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2025-03-17 09:22:16,456 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2025-03-17 09:22:16,456 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2025-03-17 09:22:16,456 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2025-03-17 09:22:16,456 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2025-03-17 09:22:16,456 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2025-03-17 09:22:16,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-17 09:22:16,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-17 09:22:16,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-17 09:22:16,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-17 09:22:16,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-17 09:22:16,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-17 09:22:16,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-03-17 09:22:16,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-03-17 09:22:16,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2025-03-17 09:22:16,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2025-03-17 09:22:16,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2025-03-17 09:22:16,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2025-03-17 09:22:16,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2025-03-17 09:22:16,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2025-03-17 09:22:16,457 INFO L130 BoogieDeclarations]: Found specification of procedure flush_work [2025-03-17 09:22:16,457 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_work [2025-03-17 09:22:16,457 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2025-03-17 09:22:16,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2025-03-17 09:22:16,457 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2025-03-17 09:22:16,457 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2025-03-17 09:22:16,457 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-17 09:22:16,457 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-17 09:22:16,457 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-17 09:22:16,457 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-17 09:22:16,457 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-17 09:22:16,457 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-17 09:22:16,457 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-03-17 09:22:16,457 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-03-17 09:22:16,457 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-03-17 09:22:16,460 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2025-03-17 09:22:16,460 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2025-03-17 09:22:16,460 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2025-03-17 09:22:16,460 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2025-03-17 09:22:16,460 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2025-03-17 09:22:16,460 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_disable [2025-03-17 09:22:16,460 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_disable [2025-03-17 09:22:16,460 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2025-03-17 09:22:16,460 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2025-03-17 09:22:16,460 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2025-03-17 09:22:16,460 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2025-03-17 09:22:16,460 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2025-03-17 09:22:16,460 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2025-03-17 09:22:16,460 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2025-03-17 09:22:16,460 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2025-03-17 09:22:16,460 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2025-03-17 09:22:16,460 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2025-03-17 09:22:16,460 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2025-03-17 09:22:16,460 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#11 [2025-03-17 09:22:16,460 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#12 [2025-03-17 09:22:16,460 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#13 [2025-03-17 09:22:16,460 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2025-03-17 09:22:16,460 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2025-03-17 09:22:16,460 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2025-03-17 09:22:16,460 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2025-03-17 09:22:16,460 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2025-03-17 09:22:16,460 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2025-03-17 09:22:16,460 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2025-03-17 09:22:16,460 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2025-03-17 09:22:16,460 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2025-03-17 09:22:16,460 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2025-03-17 09:22:16,460 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2025-03-17 09:22:16,460 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#11 [2025-03-17 09:22:16,460 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#12 [2025-03-17 09:22:16,461 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#13 [2025-03-17 09:22:16,461 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2025-03-17 09:22:16,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2025-03-17 09:22:16,461 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_ks8851_net [2025-03-17 09:22:16,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_ks8851_net [2025-03-17 09:22:16,461 INFO L130 BoogieDeclarations]: Found specification of procedure ks8851_rdreg8 [2025-03-17 09:22:16,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8851_rdreg8 [2025-03-17 09:22:16,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-17 09:22:16,461 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2025-03-17 09:22:16,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2025-03-17 09:22:16,461 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2025-03-17 09:22:16,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2025-03-17 09:22:16,461 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_3 [2025-03-17 09:22:16,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_3 [2025-03-17 09:22:16,461 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2025-03-17 09:22:16,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2025-03-17 09:22:16,461 INFO L130 BoogieDeclarations]: Found specification of procedure ks8851_rdreg16 [2025-03-17 09:22:16,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8851_rdreg16 [2025-03-17 09:22:16,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-17 09:22:16,461 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2025-03-17 09:22:16,461 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2025-03-17 09:22:16,461 INFO L130 BoogieDeclarations]: Found specification of procedure ks8851_probe [2025-03-17 09:22:16,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8851_probe [2025-03-17 09:22:16,461 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2025-03-17 09:22:16,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2025-03-17 09:22:16,461 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2025-03-17 09:22:16,461 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2025-03-17 09:22:16,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-17 09:22:16,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-17 09:22:16,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-17 09:22:16,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-17 09:22:16,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-17 09:22:16,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-17 09:22:16,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-03-17 09:22:16,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-03-17 09:22:16,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2025-03-17 09:22:16,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2025-03-17 09:22:16,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2025-03-17 09:22:16,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2025-03-17 09:22:16,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2025-03-17 09:22:16,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2025-03-17 09:22:16,464 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2025-03-17 09:22:16,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2025-03-17 09:22:16,464 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2025-03-17 09:22:16,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2025-03-17 09:22:16,464 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_put [2025-03-17 09:22:16,464 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_put [2025-03-17 09:22:16,465 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_ks8851_net [2025-03-17 09:22:16,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_ks8851_net [2025-03-17 09:22:16,465 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2025-03-17 09:22:16,465 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2025-03-17 09:22:16,465 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2025-03-17 09:22:16,465 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2025-03-17 09:22:16,465 INFO L130 BoogieDeclarations]: Found specification of procedure ks8851_write_mac_addr [2025-03-17 09:22:16,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8851_write_mac_addr [2025-03-17 09:22:16,465 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2025-03-17 09:22:16,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2025-03-17 09:22:16,465 INFO L130 BoogieDeclarations]: Found specification of procedure ks8851_suspend [2025-03-17 09:22:16,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8851_suspend [2025-03-17 09:22:16,465 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-17 09:22:16,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-17 09:22:16,465 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2025-03-17 09:22:16,465 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2025-03-17 09:22:16,465 INFO L130 BoogieDeclarations]: Found specification of procedure skb_dequeue [2025-03-17 09:22:16,465 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_dequeue [2025-03-17 09:22:16,465 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2025-03-17 09:22:16,465 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2025-03-17 09:22:16,465 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2025-03-17 09:22:16,465 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2025-03-17 09:22:16,465 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2025-03-17 09:22:16,465 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2025-03-17 09:22:16,465 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2025-03-17 09:22:16,465 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2025-03-17 09:22:16,465 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2025-03-17 09:22:16,465 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2025-03-17 09:22:16,465 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2025-03-17 09:22:16,465 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2025-03-17 09:22:16,465 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2025-03-17 09:22:16,465 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2025-03-17 09:22:16,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-17 09:22:16,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-17 09:22:16,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-17 09:22:16,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-17 09:22:16,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-17 09:22:16,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-17 09:22:16,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-03-17 09:22:16,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-03-17 09:22:16,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2025-03-17 09:22:16,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2025-03-17 09:22:16,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2025-03-17 09:22:16,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2025-03-17 09:22:16,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2025-03-17 09:22:16,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2025-03-17 09:22:16,466 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2025-03-17 09:22:16,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2025-03-17 09:22:16,466 INFO L130 BoogieDeclarations]: Found specification of procedure ks8851_net_open [2025-03-17 09:22:16,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8851_net_open [2025-03-17 09:22:16,466 INFO L130 BoogieDeclarations]: Found specification of procedure spi_sync [2025-03-17 09:22:16,466 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_sync [2025-03-17 09:22:16,466 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-03-17 09:22:16,466 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-03-17 09:22:16,466 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2025-03-17 09:22:16,466 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2025-03-17 09:22:16,466 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2025-03-17 09:22:16,466 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2025-03-17 09:22:16,466 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2025-03-17 09:22:16,466 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2025-03-17 09:22:16,467 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2025-03-17 09:22:16,467 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2025-03-17 09:22:16,467 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2025-03-17 09:22:16,467 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2025-03-17 09:22:16,467 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2025-03-17 09:22:16,467 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2025-03-17 09:22:16,467 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-03-17 09:22:16,467 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-03-17 09:22:16,467 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2025-03-17 09:22:16,467 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2025-03-17 09:22:16,468 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2025-03-17 09:22:16,468 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2025-03-17 09:22:16,468 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2025-03-17 09:22:16,468 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2025-03-17 09:22:16,468 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2025-03-17 09:22:16,468 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2025-03-17 09:22:16,468 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2025-03-17 09:22:16,468 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2025-03-17 09:22:16,468 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2025-03-17 09:22:16,468 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2025-03-17 09:22:16,468 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2025-03-17 09:22:16,468 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2025-03-17 09:22:16,468 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2025-03-17 09:22:16,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2025-03-17 09:22:16,468 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2025-03-17 09:22:16,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2025-03-17 09:22:16,469 INFO L130 BoogieDeclarations]: Found specification of procedure ks8851_set_rx_mode [2025-03-17 09:22:16,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8851_set_rx_mode [2025-03-17 09:22:16,469 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2025-03-17 09:22:16,469 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2025-03-17 09:22:16,469 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-17 09:22:16,469 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2025-03-17 09:22:16,469 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2025-03-17 09:22:16,469 INFO L130 BoogieDeclarations]: Found specification of procedure ks8851_set_powermode [2025-03-17 09:22:16,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8851_set_powermode [2025-03-17 09:22:16,469 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2025-03-17 09:22:16,469 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2025-03-17 09:22:16,469 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-17 09:22:16,469 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-17 09:22:16,469 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-17 09:22:16,469 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-17 09:22:16,469 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-17 09:22:16,469 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-17 09:22:16,469 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-03-17 09:22:16,469 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-03-17 09:22:16,469 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2025-03-17 09:22:16,469 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2025-03-17 09:22:16,469 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2025-03-17 09:22:16,469 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2025-03-17 09:22:16,469 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2025-03-17 09:22:16,469 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2025-03-17 09:22:16,470 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2025-03-17 09:22:16,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2025-03-17 09:22:16,470 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2025-03-17 09:22:16,470 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2025-03-17 09:22:16,470 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2025-03-17 09:22:16,470 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2025-03-17 09:22:16,470 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2025-03-17 09:22:16,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2025-03-17 09:22:16,470 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2025-03-17 09:22:16,470 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2025-03-17 09:22:16,470 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2025-03-17 09:22:16,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2025-03-17 09:22:16,470 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2025-03-17 09:22:16,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2025-03-17 09:22:16,470 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2025-03-17 09:22:16,470 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2025-03-17 09:22:16,470 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2025-03-17 09:22:16,470 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2025-03-17 09:22:16,470 INFO L130 BoogieDeclarations]: Found specification of procedure ks8851_rx_1msg [2025-03-17 09:22:16,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8851_rx_1msg [2025-03-17 09:22:16,470 INFO L130 BoogieDeclarations]: Found specification of procedure ks8851_get_eeprom_len [2025-03-17 09:22:16,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8851_get_eeprom_len [2025-03-17 09:22:16,470 INFO L130 BoogieDeclarations]: Found specification of procedure ks8851_soft_reset [2025-03-17 09:22:16,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8851_soft_reset [2025-03-17 09:22:16,470 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2025-03-17 09:22:16,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2025-03-17 09:22:16,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-17 09:22:16,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-17 09:22:16,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-17 09:22:16,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-17 09:22:16,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-17 09:22:16,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-17 09:22:16,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-03-17 09:22:16,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-03-17 09:22:16,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-03-17 09:22:16,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2025-03-17 09:22:16,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2025-03-17 09:22:16,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2025-03-17 09:22:16,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2025-03-17 09:22:16,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2025-03-17 09:22:16,470 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2025-03-17 09:22:16,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2025-03-17 09:22:16,470 INFO L130 BoogieDeclarations]: Found specification of procedure ks8851_rdreg [2025-03-17 09:22:16,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8851_rdreg [2025-03-17 09:22:16,470 INFO L130 BoogieDeclarations]: Found specification of procedure ks8851_nway_reset [2025-03-17 09:22:16,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8851_nway_reset [2025-03-17 09:22:16,470 INFO L130 BoogieDeclarations]: Found specification of procedure spi_message_init [2025-03-17 09:22:16,470 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_message_init [2025-03-17 09:22:16,470 INFO L130 BoogieDeclarations]: Found specification of procedure ks8851_remove [2025-03-17 09:22:16,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8851_remove [2025-03-17 09:22:16,470 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2025-03-17 09:22:16,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2025-03-17 09:22:16,471 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2025-03-17 09:22:16,471 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2025-03-17 09:22:16,471 INFO L130 BoogieDeclarations]: Found specification of procedure ks8851_wrreg16 [2025-03-17 09:22:16,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8851_wrreg16 [2025-03-17 09:22:16,471 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2025-03-17 09:22:16,471 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2025-03-17 09:22:16,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-17 09:22:16,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-17 09:22:16,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-17 09:22:16,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-17 09:22:16,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-17 09:22:16,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-17 09:22:16,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-03-17 09:22:16,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-03-17 09:22:16,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-03-17 09:22:16,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2025-03-17 09:22:16,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2025-03-17 09:22:16,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2025-03-17 09:22:16,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2025-03-17 09:22:16,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2025-03-17 09:22:16,472 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2025-03-17 09:22:16,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2025-03-17 09:22:17,113 INFO L256 CfgBuilder]: Building ICFG [2025-03-17 09:22:17,118 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-17 09:22:17,380 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L11678: havoc #t~ret862.base, #t~ret862.offset; [2025-03-17 09:22:17,382 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2025-03-17 09:22:17,562 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6537: call ULTIMATE.dealloc(~#descriptor~6#1.base, ~#descriptor~6#1.offset);havoc ~#descriptor~6#1.base, ~#descriptor~6#1.offset;call ULTIMATE.dealloc(~#descriptor___0~2#1.base, ~#descriptor___0~2#1.offset);havoc ~#descriptor___0~2#1.base, ~#descriptor___0~2#1.offset; [2025-03-17 09:22:17,565 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L11694: havoc #t~nondet867; [2025-03-17 09:22:17,620 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L11649: havoc printk_#t~nondet855#1; [2025-03-17 09:22:17,697 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L11623: havoc #t~nondet850; [2025-03-17 09:22:17,835 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L10675: havoc #t~mem773.base, #t~mem773.offset;havoc #t~mem774.base, #t~mem774.offset; [2025-03-17 09:22:17,925 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6758: call ULTIMATE.dealloc(~#rxctrl~0#1.base, ~#rxctrl~0#1.offset);havoc ~#rxctrl~0#1.base, ~#rxctrl~0#1.offset; [2025-03-17 09:22:17,925 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L11527: havoc crc32_le_#t~nondet838#1; [2025-03-17 09:22:17,925 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L11520: havoc bitrev32_#t~nondet837#1; [2025-03-17 09:22:18,009 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L11478: havoc #t~nondet831; [2025-03-17 09:22:18,092 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L5355: havoc #t~mem57.base, #t~mem57.offset; [2025-03-17 09:22:18,138 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L5950: call ULTIMATE.dealloc(~#descriptor~0.base, ~#descriptor~0.offset);havoc ~#descriptor~0.base, ~#descriptor~0.offset; [2025-03-17 09:22:18,190 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6614: call ULTIMATE.dealloc(~#descriptor~7#1.base, ~#descriptor~7#1.offset);havoc ~#descriptor~7#1.base, ~#descriptor~7#1.offset; [2025-03-17 09:22:18,199 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L5226: havoc constant_test_bit_#t~mem0#1;havoc constant_test_bit_#t~bitwise1#1; [2025-03-17 09:22:18,205 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L11698: havoc #t~nondet868; [2025-03-17 09:22:18,207 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L11558: havoc #t~nondet842; [2025-03-17 09:22:18,216 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L11531: havoc #t~nondet839; [2025-03-17 09:22:18,220 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L5415: havoc #t~mem69.base, #t~mem69.offset; [2025-03-17 09:22:18,222 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L11627: havoc #t~nondet851; [2025-03-17 09:22:18,233 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L11562: havoc #t~nondet843; [2025-03-17 09:22:18,238 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L11507: havoc #t~nondet835; [2025-03-17 09:22:18,245 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L11661: havoc #t~nondet858; [2025-03-17 09:22:18,262 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7148: havoc #t~mem476;havoc #t~bitwise477; [2025-03-17 09:22:18,432 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L5854: havoc #t~mem186;call ULTIMATE.dealloc(~#rxb~0.base, ~#rxb~0.offset);havoc ~#rxb~0.base, ~#rxb~0.offset; [2025-03-17 09:22:18,439 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L11619: havoc mii_nway_restart_#t~nondet849#1; [2025-03-17 09:22:18,555 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L5866: havoc #t~mem190;call ULTIMATE.dealloc(~#rx~0.base, ~#rx~0.offset);havoc ~#rx~0.base, ~#rx~0.offset; [2025-03-17 09:22:18,573 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L5590: havoc is_multicast_ether_addr_#t~mem113#1; [2025-03-17 09:22:18,574 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L5584: havoc is_zero_ether_addr_#t~mem110#1;havoc is_zero_ether_addr_#t~mem111#1;havoc is_zero_ether_addr_#t~bitwise112#1; [2025-03-17 09:22:19,075 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L9532-1: ldv_register_netdev_#res#1 := ldv_register_netdev_~arg0#1; [2025-03-17 09:22:19,075 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L10556-1: ldv_alloc_etherdev_mqs_44_#res#1.base, ldv_alloc_etherdev_mqs_44_#res#1.offset := ldv_alloc_etherdev_mqs_44_~ldv_func_res~0#1.base, ldv_alloc_etherdev_mqs_44_~ldv_func_res~0#1.offset; [2025-03-17 09:22:19,075 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L5371: call ULTIMATE.dealloc(skb_queue_head_init_~#__key~0#1.base, skb_queue_head_init_~#__key~0#1.offset);havoc skb_queue_head_init_~#__key~0#1.base, skb_queue_head_init_~#__key~0#1.offset; [2025-03-17 09:22:19,076 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L11631: havoc netdev_warn_#t~nondet852#1; [2025-03-17 09:22:19,076 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L11516: havoc alloc_etherdev_mqs_#t~ret836#1.base, alloc_etherdev_mqs_#t~ret836#1.offset; [2025-03-17 09:22:19,076 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L5554: havoc netif_msg_init_#t~bitwise85#1; [2025-03-17 09:22:19,076 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L11665: havoc regulator_enable_#t~nondet859#1; [2025-03-17 09:22:19,076 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L10592-1: ldv_register_netdev_46_#res#1 := ldv_register_netdev_46_~ldv_func_res~2#1; [2025-03-17 09:22:19,076 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L10577-1: ldv_request_threaded_irq_45_#res#1 := ldv_request_threaded_irq_45_~ldv_func_res~1#1; [2025-03-17 09:22:19,076 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7836-1: ldv_alloc_etherdev_mqs_#res#1.base, ldv_alloc_etherdev_mqs_#res#1.offset := ldv_alloc_etherdev_mqs_~arg0#1.base, ldv_alloc_etherdev_mqs_~arg0#1.offset; [2025-03-17 09:22:19,076 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L11668: havoc regulator_get_optional_#t~ret860#1.base, regulator_get_optional_#t~ret860#1.offset; [2025-03-17 09:22:19,076 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7839-1: ldv_alloc_etherdev_mqs_#res#1.base, ldv_alloc_etherdev_mqs_#res#1.offset := ldv_alloc_etherdev_mqs_~arg0#1.base, ldv_alloc_etherdev_mqs_~arg0#1.offset; [2025-03-17 09:22:19,076 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7344: call ULTIMATE.dealloc(~#__key~1#1.base, ~#__key~1#1.offset);havoc ~#__key~1#1.base, ~#__key~1#1.offset;call ULTIMATE.dealloc(~#__key___0~0#1.base, ~#__key___0~0#1.offset);havoc ~#__key___0~0#1.base, ~#__key___0~0#1.offset;call ULTIMATE.dealloc(~#__key___1~0#1.base, ~#__key___1~0#1.offset);havoc ~#__key___1~0#1.base, ~#__key___1~0#1.offset;call ULTIMATE.dealloc(~#__constr_expr_0~0#1.base, ~#__constr_expr_0~0#1.offset);havoc ~#__constr_expr_0~0#1.base, ~#__constr_expr_0~0#1.offset;call ULTIMATE.dealloc(~#__key___2~0#1.base, ~#__key___2~0#1.offset);havoc ~#__key___2~0#1.base, ~#__key___2~0#1.offset;call ULTIMATE.dealloc(~#__constr_expr_1~0#1.base, ~#__constr_expr_1~0#1.offset);havoc ~#__constr_expr_1~0#1.base, ~#__constr_expr_1~0#1.offset; [2025-03-17 09:22:19,076 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7841-1: ldv_alloc_etherdev_mqs_#res#1.base, ldv_alloc_etherdev_mqs_#res#1.offset := ldv_alloc_etherdev_mqs_~arg0#1.base, ldv_alloc_etherdev_mqs_~arg0#1.offset; [2025-03-17 09:22:19,076 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L11657: havoc register_netdev_#t~nondet857#1; [2025-03-17 09:22:19,076 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L11591: havoc ldv_pre_register_netdev_#t~nondet845#1; [2025-03-17 09:22:19,076 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L9577-1: ldv_request_threaded_irq_#res#1 := ldv_request_threaded_irq_~arg0#1; [2025-03-17 09:22:19,076 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L11675: havoc request_threaded_irq_#t~nondet861#1; [2025-03-17 09:22:19,076 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L9531-1: ldv_register_netdev_#res#1 := ldv_register_netdev_~arg0#1; [2025-03-17 09:22:19,276 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6418: call ULTIMATE.dealloc(ks8851_wrpkt_~#descriptor~5#1.base, ks8851_wrpkt_~#descriptor~5#1.offset);havoc ks8851_wrpkt_~#descriptor~5#1.base, ks8851_wrpkt_~#descriptor~5#1.offset; [2025-03-17 09:22:19,340 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L11653: havoc queue_work_on_#t~nondet856#1; [2025-03-17 09:22:19,408 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L5759: call ULTIMATE.dealloc(ks8851_wrreg8_~#txb~1#1.base, ks8851_wrreg8_~#txb~1#1.offset);havoc ks8851_wrreg8_~#txb~1#1.base, ks8851_wrreg8_~#txb~1#1.offset; [2025-03-17 09:22:19,444 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L5733: call ULTIMATE.dealloc(~#txb~0.base, ~#txb~0.offset);havoc ~#txb~0.base, ~#txb~0.offset; [2025-03-17 09:22:26,692 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L5325: havoc kobject_name_#t~mem44#1.base, kobject_name_#t~mem44#1.offset; [2025-03-17 09:22:26,693 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L5334: havoc dev_name_#t~mem47#1.base, dev_name_#t~mem47#1.offset; [2025-03-17 09:22:26,693 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L11554: havoc eth_type_trans_#t~nondet841#1; [2025-03-17 09:22:26,693 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6139: call ULTIMATE.dealloc(ks8851_dbg_dumpkkt_~#descriptor~2#1.base, ks8851_dbg_dumpkkt_~#descriptor~2#1.offset);havoc ks8851_dbg_dumpkkt_~#descriptor~2#1.base, ks8851_dbg_dumpkkt_~#descriptor~2#1.offset; [2025-03-17 09:22:26,693 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L11690: havoc spi_register_driver_#t~nondet866#1; [2025-03-17 09:22:26,693 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L-1: #t~ret870#1 := main_#res#1;havoc main_#t~ret603#1, main_~tmp~55#1;assume { :end_inline_main } true; [2025-03-17 09:22:26,693 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6276: call ULTIMATE.dealloc(ks8851_irq_~#descriptor~4#1.base, ks8851_irq_~#descriptor~4#1.offset);havoc ks8851_irq_~#descriptor~4#1.base, ks8851_irq_~#descriptor~4#1.offset;call ULTIMATE.dealloc(ks8851_irq_~#descriptor___0~1#1.base, ks8851_irq_~#descriptor___0~1#1.offset);havoc ks8851_irq_~#descriptor___0~1#1.base, ks8851_irq_~#descriptor___0~1#1.offset; [2025-03-17 09:22:26,693 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L5220-1: test_and_clear_bit_#res#1 := 1; [2025-03-17 09:22:26,693 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L5890: havoc ks8851_rdreg32_#t~mem195#1;call ULTIMATE.dealloc(ks8851_rdreg32_~#rx~1#1.base, ks8851_rdreg32_~#rx~1#1.offset);havoc ks8851_rdreg32_~#rx~1#1.base, ks8851_rdreg32_~#rx~1#1.offset; [2025-03-17 09:22:26,693 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6090: call ULTIMATE.dealloc(ks8851_rdfifo_~#txb~3#1.base, ks8851_rdfifo_~#txb~3#1.offset);havoc ks8851_rdfifo_~#txb~3#1.base, ks8851_rdfifo_~#txb~3#1.offset;call ULTIMATE.dealloc(ks8851_rdfifo_~#descriptor~1#1.base, ks8851_rdfifo_~#descriptor~1#1.offset);havoc ks8851_rdfifo_~#descriptor~1#1.base, ks8851_rdfifo_~#descriptor~1#1.offset; [2025-03-17 09:22:26,693 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L11641: havoc netif_rx_ni_#t~nondet853#1; [2025-03-17 09:22:26,693 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L11645: havoc netpoll_trap_#t~nondet854#1; [2025-03-17 09:22:26,693 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L9864-1: ldv_spi_register_driver_#res#1 := ldv_spi_register_driver_~arg0#1; [2025-03-17 09:22:26,693 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L10657-1: ldv_spi_register_driver_52_#res#1 := ldv_spi_register_driver_52_~ldv_func_res~3#1; [2025-03-17 09:22:26,693 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2025-03-17 09:22:26,693 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6172: call ULTIMATE.dealloc(ks8851_rx_pkts_~#descriptor~3#1.base, ks8851_rx_pkts_~#descriptor~3#1.offset);havoc ks8851_rx_pkts_~#descriptor~3#1.base, ks8851_rx_pkts_~#descriptor~3#1.offset;call ULTIMATE.dealloc(ks8851_rx_pkts_~#descriptor___0~0#1.base, ks8851_rx_pkts_~#descriptor___0~0#1.offset);havoc ks8851_rx_pkts_~#descriptor___0~0#1.base, ks8851_rx_pkts_~#descriptor___0~0#1.offset; [2025-03-17 09:22:27,178 INFO L? ?]: Removed 1858 outVars from TransFormulas that were not future-live. [2025-03-17 09:22:27,179 INFO L307 CfgBuilder]: Performing block encoding [2025-03-17 09:22:27,251 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-17 09:22:27,251 INFO L336 CfgBuilder]: Removed 1 assume(true) statements. [2025-03-17 09:22:27,252 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 09:22:27 BoogieIcfgContainer [2025-03-17 09:22:27,252 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-17 09:22:27,253 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-17 09:22:27,253 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-17 09:22:27,257 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-17 09:22:27,257 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.03 09:22:12" (1/3) ... [2025-03-17 09:22:27,258 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48a17321 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 09:22:27, skipping insertion in model container [2025-03-17 09:22:27,258 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 09:22:15" (2/3) ... [2025-03-17 09:22:27,258 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48a17321 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 09:22:27, skipping insertion in model container [2025-03-17 09:22:27,258 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 09:22:27" (3/3) ... [2025-03-17 09:22:27,259 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-micrel-ks8851.cil.i [2025-03-17 09:22:27,271 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-17 09:22:27,275 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-micrel-ks8851.cil.i that has 110 procedures, 1828 locations, 1 initial locations, 42 loop locations, and 3 error locations. [2025-03-17 09:22:27,355 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-17 09:22:27,365 INFO L333 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, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@24547213, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-17 09:22:27,366 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2025-03-17 09:22:27,375 INFO L276 IsEmpty]: Start isEmpty. Operand has 1709 states, 1230 states have (on average 1.359349593495935) internal successors, (1672), 1245 states have internal predecessors, (1672), 394 states have call successors, (394), 83 states have call predecessors, (394), 82 states have return successors, (385), 384 states have call predecessors, (385), 385 states have call successors, (385) [2025-03-17 09:22:27,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2025-03-17 09:22:27,394 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 09:22:27,394 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 09:22:27,395 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2025-03-17 09:22:27,398 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 09:22:27,398 INFO L85 PathProgramCache]: Analyzing trace with hash 2079641584, now seen corresponding path program 1 times [2025-03-17 09:22:27,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 09:22:27,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [841107248] [2025-03-17 09:22:27,404 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 09:22:27,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 09:22:29,631 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 211 statements into 1 equivalence classes. [2025-03-17 09:22:29,869 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 211 of 211 statements. [2025-03-17 09:22:29,869 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 09:22:29,869 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 09:22:30,482 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1275 trivial. 0 not checked. [2025-03-17 09:22:30,483 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 09:22:30,483 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [841107248] [2025-03-17 09:22:30,483 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [841107248] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 09:22:30,483 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 09:22:30,484 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 09:22:30,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [335884531] [2025-03-17 09:22:30,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 09:22:30,496 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 09:22:30,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 09:22:30,515 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 09:22:30,516 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 09:22:30,522 INFO L87 Difference]: Start difference. First operand has 1709 states, 1230 states have (on average 1.359349593495935) internal successors, (1672), 1245 states have internal predecessors, (1672), 394 states have call successors, (394), 83 states have call predecessors, (394), 82 states have return successors, (385), 384 states have call predecessors, (385), 385 states have call successors, (385) Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2025-03-17 09:22:34,566 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-17 09:22:35,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 09:22:35,974 INFO L93 Difference]: Finished difference Result 4778 states and 7093 transitions. [2025-03-17 09:22:35,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 09:22:35,976 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 211 [2025-03-17 09:22:35,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 09:22:35,999 INFO L225 Difference]: With dead ends: 4778 [2025-03-17 09:22:35,999 INFO L226 Difference]: Without dead ends: 3086 [2025-03-17 09:22:36,010 INFO L434 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 [2025-03-17 09:22:36,012 INFO L435 NwaCegarLoop]: 2348 mSDtfsCounter, 2022 mSDsluCounter, 2283 mSDsCounter, 0 mSdLazyCounter, 174 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2022 SdHoareTripleChecker+Valid, 4631 SdHoareTripleChecker+Invalid, 183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 174 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2025-03-17 09:22:36,012 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2022 Valid, 4631 Invalid, 183 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 174 Invalid, 1 Unknown, 0 Unchecked, 5.2s Time] [2025-03-17 09:22:36,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3086 states. [2025-03-17 09:22:36,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3086 to 3067. [2025-03-17 09:22:36,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3067 states, 2211 states have (on average 1.3297150610583446) internal successors, (2940), 2237 states have internal predecessors, (2940), 694 states have call successors, (694), 162 states have call predecessors, (694), 159 states have return successors, (732), 679 states have call predecessors, (732), 690 states have call successors, (732) [2025-03-17 09:22:36,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3067 states to 3067 states and 4366 transitions. [2025-03-17 09:22:36,195 INFO L78 Accepts]: Start accepts. Automaton has 3067 states and 4366 transitions. Word has length 211 [2025-03-17 09:22:36,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 09:22:36,195 INFO L471 AbstractCegarLoop]: Abstraction has 3067 states and 4366 transitions. [2025-03-17 09:22:36,196 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2025-03-17 09:22:36,196 INFO L276 IsEmpty]: Start isEmpty. Operand 3067 states and 4366 transitions. [2025-03-17 09:22:36,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2025-03-17 09:22:36,202 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 09:22:36,203 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 09:22:36,203 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-17 09:22:36,203 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2025-03-17 09:22:36,203 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 09:22:36,203 INFO L85 PathProgramCache]: Analyzing trace with hash 818479180, now seen corresponding path program 1 times [2025-03-17 09:22:36,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 09:22:36,204 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1014207523] [2025-03-17 09:22:36,204 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 09:22:36,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 09:22:38,187 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 213 statements into 1 equivalence classes. [2025-03-17 09:22:38,272 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 213 of 213 statements. [2025-03-17 09:22:38,273 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 09:22:38,273 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 09:22:38,635 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1275 trivial. 0 not checked. [2025-03-17 09:22:38,636 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 09:22:38,636 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1014207523] [2025-03-17 09:22:38,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1014207523] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 09:22:38,636 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 09:22:38,636 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 09:22:38,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1359785812] [2025-03-17 09:22:38,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 09:22:38,637 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 09:22:38,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 09:22:38,638 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 09:22:38,638 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 09:22:38,638 INFO L87 Difference]: Start difference. First operand 3067 states and 4366 transitions. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2025-03-17 09:22:42,671 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-17 09:22:44,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 09:22:44,168 INFO L93 Difference]: Finished difference Result 9028 states and 12845 transitions. [2025-03-17 09:22:44,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 09:22:44,169 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 213 [2025-03-17 09:22:44,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 09:22:44,208 INFO L225 Difference]: With dead ends: 9028 [2025-03-17 09:22:44,208 INFO L226 Difference]: Without dead ends: 5996 [2025-03-17 09:22:44,220 INFO L434 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 [2025-03-17 09:22:44,221 INFO L435 NwaCegarLoop]: 2320 mSDtfsCounter, 2255 mSDsluCounter, 2253 mSDsCounter, 0 mSdLazyCounter, 186 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2255 SdHoareTripleChecker+Valid, 4573 SdHoareTripleChecker+Invalid, 196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 186 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2025-03-17 09:22:44,222 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2255 Valid, 4573 Invalid, 196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 186 Invalid, 1 Unknown, 0 Unchecked, 5.3s Time] [2025-03-17 09:22:44,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5996 states. [2025-03-17 09:22:44,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5996 to 5992. [2025-03-17 09:22:44,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5992 states, 4348 states have (on average 1.329116835326587) internal successors, (5779), 4392 states have internal predecessors, (5779), 1326 states have call successors, (1326), 320 states have call predecessors, (1326), 315 states have return successors, (1406), 1303 states have call predecessors, (1406), 1322 states have call successors, (1406) [2025-03-17 09:22:44,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5992 states to 5992 states and 8511 transitions. [2025-03-17 09:22:44,458 INFO L78 Accepts]: Start accepts. Automaton has 5992 states and 8511 transitions. Word has length 213 [2025-03-17 09:22:44,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 09:22:44,459 INFO L471 AbstractCegarLoop]: Abstraction has 5992 states and 8511 transitions. [2025-03-17 09:22:44,460 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2025-03-17 09:22:44,460 INFO L276 IsEmpty]: Start isEmpty. Operand 5992 states and 8511 transitions. [2025-03-17 09:22:44,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2025-03-17 09:22:44,462 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 09:22:44,462 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 09:22:44,463 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-17 09:22:44,463 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2025-03-17 09:22:44,463 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 09:22:44,463 INFO L85 PathProgramCache]: Analyzing trace with hash -1733491361, now seen corresponding path program 1 times [2025-03-17 09:22:44,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 09:22:44,463 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [363865635] [2025-03-17 09:22:44,463 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 09:22:44,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 09:22:46,286 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 215 statements into 1 equivalence classes. [2025-03-17 09:22:46,355 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 215 of 215 statements. [2025-03-17 09:22:46,356 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 09:22:46,356 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 09:22:46,690 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1275 trivial. 0 not checked. [2025-03-17 09:22:46,691 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 09:22:46,691 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [363865635] [2025-03-17 09:22:46,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [363865635] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 09:22:46,691 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 09:22:46,691 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 09:22:46,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281724446] [2025-03-17 09:22:46,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 09:22:46,692 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 09:22:46,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 09:22:46,693 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 09:22:46,693 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 09:22:46,693 INFO L87 Difference]: Start difference. First operand 5992 states and 8511 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2025-03-17 09:22:50,718 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-17 09:22:53,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 09:22:53,232 INFO L93 Difference]: Finished difference Result 17338 states and 24573 transitions. [2025-03-17 09:22:53,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 09:22:53,232 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 215 [2025-03-17 09:22:53,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 09:22:53,326 INFO L225 Difference]: With dead ends: 17338 [2025-03-17 09:22:53,326 INFO L226 Difference]: Without dead ends: 11381 [2025-03-17 09:22:53,366 INFO L434 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 [2025-03-17 09:22:53,367 INFO L435 NwaCegarLoop]: 2314 mSDtfsCounter, 2092 mSDsluCounter, 2213 mSDsCounter, 0 mSdLazyCounter, 274 mSolverCounterSat, 31 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2092 SdHoareTripleChecker+Valid, 4527 SdHoareTripleChecker+Invalid, 306 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 274 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2025-03-17 09:22:53,368 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2092 Valid, 4527 Invalid, 306 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 274 Invalid, 1 Unknown, 0 Unchecked, 6.1s Time] [2025-03-17 09:22:53,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11381 states. [2025-03-17 09:22:53,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11381 to 11356. [2025-03-17 09:22:53,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11356 states, 8228 states have (on average 1.3214632960622266) internal successors, (10873), 8322 states have internal predecessors, (10873), 2500 states have call successors, (2500), 634 states have call predecessors, (2500), 625 states have return successors, (2600), 2447 states have call predecessors, (2600), 2496 states have call successors, (2600) [2025-03-17 09:22:54,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11356 states to 11356 states and 15973 transitions. [2025-03-17 09:22:54,016 INFO L78 Accepts]: Start accepts. Automaton has 11356 states and 15973 transitions. Word has length 215 [2025-03-17 09:22:54,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 09:22:54,017 INFO L471 AbstractCegarLoop]: Abstraction has 11356 states and 15973 transitions. [2025-03-17 09:22:54,017 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2025-03-17 09:22:54,018 INFO L276 IsEmpty]: Start isEmpty. Operand 11356 states and 15973 transitions. [2025-03-17 09:22:54,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2025-03-17 09:22:54,025 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 09:22:54,025 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 09:22:54,025 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-17 09:22:54,025 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2025-03-17 09:22:54,026 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 09:22:54,026 INFO L85 PathProgramCache]: Analyzing trace with hash 640105768, now seen corresponding path program 1 times [2025-03-17 09:22:54,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 09:22:54,026 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [373787205] [2025-03-17 09:22:54,027 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 09:22:54,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 09:22:55,974 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 216 statements into 1 equivalence classes. [2025-03-17 09:22:56,022 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 216 of 216 statements. [2025-03-17 09:22:56,022 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 09:22:56,023 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 09:22:56,533 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1275 trivial. 0 not checked. [2025-03-17 09:22:56,533 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 09:22:56,533 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [373787205] [2025-03-17 09:22:56,533 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [373787205] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 09:22:56,533 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 09:22:56,533 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 09:22:56,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1323513691] [2025-03-17 09:22:56,534 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 09:22:56,534 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 09:22:56,534 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 09:22:56,535 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 09:22:56,535 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 09:22:56,535 INFO L87 Difference]: Start difference. First operand 11356 states and 15973 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2025-03-17 09:23:00,586 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-17 09:23:02,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 09:23:02,441 INFO L93 Difference]: Finished difference Result 27308 states and 38343 transitions. [2025-03-17 09:23:02,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 09:23:02,442 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 216 [2025-03-17 09:23:02,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 09:23:02,541 INFO L225 Difference]: With dead ends: 27308 [2025-03-17 09:23:02,541 INFO L226 Difference]: Without dead ends: 15987 [2025-03-17 09:23:02,574 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 09:23:02,575 INFO L435 NwaCegarLoop]: 2317 mSDtfsCounter, 2201 mSDsluCounter, 2254 mSDsCounter, 0 mSdLazyCounter, 213 mSolverCounterSat, 12 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2201 SdHoareTripleChecker+Valid, 4571 SdHoareTripleChecker+Invalid, 226 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 213 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2025-03-17 09:23:02,575 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2201 Valid, 4571 Invalid, 226 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 213 Invalid, 1 Unknown, 0 Unchecked, 5.5s Time] [2025-03-17 09:23:02,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15987 states. [2025-03-17 09:23:03,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15987 to 15962. [2025-03-17 09:23:03,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15962 states, 11508 states have (on average 1.3136079249217936) internal successors, (15117), 11658 states have internal predecessors, (15117), 3528 states have call successors, (3528), 936 states have call predecessors, (3528), 923 states have return successors, (3672), 3435 states have call predecessors, (3672), 3524 states have call successors, (3672) [2025-03-17 09:23:03,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15962 states to 15962 states and 22317 transitions. [2025-03-17 09:23:03,184 INFO L78 Accepts]: Start accepts. Automaton has 15962 states and 22317 transitions. Word has length 216 [2025-03-17 09:23:03,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 09:23:03,185 INFO L471 AbstractCegarLoop]: Abstraction has 15962 states and 22317 transitions. [2025-03-17 09:23:03,186 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2025-03-17 09:23:03,186 INFO L276 IsEmpty]: Start isEmpty. Operand 15962 states and 22317 transitions. [2025-03-17 09:23:03,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2025-03-17 09:23:03,193 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 09:23:03,194 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 17, 17, 17, 17, 17, 17, 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] [2025-03-17 09:23:03,194 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-17 09:23:03,195 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2025-03-17 09:23:03,195 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 09:23:03,196 INFO L85 PathProgramCache]: Analyzing trace with hash -949610681, now seen corresponding path program 1 times [2025-03-17 09:23:03,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 09:23:03,196 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1678435988] [2025-03-17 09:23:03,196 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 09:23:03,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 09:23:05,494 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 238 statements into 1 equivalence classes. [2025-03-17 09:23:05,544 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 238 of 238 statements. [2025-03-17 09:23:05,545 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 09:23:05,545 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 09:23:05,857 INFO L134 CoverageAnalysis]: Checked inductivity of 1336 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 1329 trivial. 0 not checked. [2025-03-17 09:23:05,857 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 09:23:05,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1678435988] [2025-03-17 09:23:05,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1678435988] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 09:23:05,858 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 09:23:05,858 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 09:23:05,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1123974938] [2025-03-17 09:23:05,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 09:23:05,858 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 09:23:05,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 09:23:05,859 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 09:23:05,859 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 09:23:05,859 INFO L87 Difference]: Start difference. First operand 15962 states and 22317 transitions. Second operand has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2025-03-17 09:23:09,887 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-17 09:23:12,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 09:23:12,136 INFO L93 Difference]: Finished difference Result 39285 states and 54856 transitions. [2025-03-17 09:23:12,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 09:23:12,137 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 238 [2025-03-17 09:23:12,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 09:23:12,382 INFO L225 Difference]: With dead ends: 39285 [2025-03-17 09:23:12,382 INFO L226 Difference]: Without dead ends: 23358 [2025-03-17 09:23:12,468 INFO L434 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 [2025-03-17 09:23:12,470 INFO L435 NwaCegarLoop]: 2580 mSDtfsCounter, 2225 mSDsluCounter, 2262 mSDsCounter, 0 mSdLazyCounter, 204 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2225 SdHoareTripleChecker+Valid, 4842 SdHoareTripleChecker+Invalid, 218 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 204 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2025-03-17 09:23:12,470 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2225 Valid, 4842 Invalid, 218 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 204 Invalid, 1 Unknown, 0 Unchecked, 5.7s Time] [2025-03-17 09:23:12,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23358 states. [2025-03-17 09:23:13,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23358 to 23325. [2025-03-17 09:23:13,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23325 states, 16849 states have (on average 1.3096326191465368) internal successors, (22066), 17093 states have internal predecessors, (22066), 5106 states have call successors, (5106), 1386 states have call predecessors, (5106), 1367 states have return successors, (5286), 4947 states have call predecessors, (5286), 5102 states have call successors, (5286) [2025-03-17 09:23:13,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23325 states to 23325 states and 32458 transitions. [2025-03-17 09:23:13,425 INFO L78 Accepts]: Start accepts. Automaton has 23325 states and 32458 transitions. Word has length 238 [2025-03-17 09:23:13,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 09:23:13,427 INFO L471 AbstractCegarLoop]: Abstraction has 23325 states and 32458 transitions. [2025-03-17 09:23:13,427 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2025-03-17 09:23:13,427 INFO L276 IsEmpty]: Start isEmpty. Operand 23325 states and 32458 transitions. [2025-03-17 09:23:13,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2025-03-17 09:23:13,433 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 09:23:13,434 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 17, 17, 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] [2025-03-17 09:23:13,434 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-17 09:23:13,434 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2025-03-17 09:23:13,435 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 09:23:13,435 INFO L85 PathProgramCache]: Analyzing trace with hash -1829103091, now seen corresponding path program 1 times [2025-03-17 09:23:13,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 09:23:13,435 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1068420889] [2025-03-17 09:23:13,436 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 09:23:13,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 09:23:15,509 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 253 statements into 1 equivalence classes. [2025-03-17 09:23:15,598 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 253 of 253 statements. [2025-03-17 09:23:15,598 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 09:23:15,598 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 09:23:15,876 INFO L134 CoverageAnalysis]: Checked inductivity of 1278 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1278 trivial. 0 not checked. [2025-03-17 09:23:15,877 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 09:23:15,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1068420889] [2025-03-17 09:23:15,877 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1068420889] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 09:23:15,877 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 09:23:15,877 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 09:23:15,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1793491155] [2025-03-17 09:23:15,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 09:23:15,878 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 09:23:15,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 09:23:15,879 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 09:23:15,879 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 09:23:15,880 INFO L87 Difference]: Start difference. First operand 23325 states and 32458 transitions. Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2025-03-17 09:23:19,907 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-17 09:23:22,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 09:23:22,755 INFO L93 Difference]: Finished difference Result 64440 states and 89747 transitions. [2025-03-17 09:23:22,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 09:23:22,756 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 253 [2025-03-17 09:23:22,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 09:23:23,006 INFO L225 Difference]: With dead ends: 64440 [2025-03-17 09:23:23,006 INFO L226 Difference]: Without dead ends: 41150 [2025-03-17 09:23:23,121 INFO L434 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 [2025-03-17 09:23:23,122 INFO L435 NwaCegarLoop]: 3877 mSDtfsCounter, 2257 mSDsluCounter, 2257 mSDsCounter, 0 mSdLazyCounter, 255 mSolverCounterSat, 12 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2257 SdHoareTripleChecker+Valid, 6134 SdHoareTripleChecker+Invalid, 268 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 255 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2025-03-17 09:23:23,123 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2257 Valid, 6134 Invalid, 268 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 255 Invalid, 1 Unknown, 0 Unchecked, 5.7s Time] [2025-03-17 09:23:23,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41150 states. [2025-03-17 09:23:24,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41150 to 41103. [2025-03-17 09:23:24,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41103 states, 29873 states have (on average 1.3087403340809427) internal successors, (39096), 30325 states have internal predecessors, (39096), 8842 states have call successors, (8842), 2432 states have call predecessors, (8842), 2385 states have return successors, (9186), 8521 states have call predecessors, (9186), 8838 states have call successors, (9186) [2025-03-17 09:23:24,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41103 states to 41103 states and 57124 transitions. [2025-03-17 09:23:24,940 INFO L78 Accepts]: Start accepts. Automaton has 41103 states and 57124 transitions. Word has length 253 [2025-03-17 09:23:24,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 09:23:24,941 INFO L471 AbstractCegarLoop]: Abstraction has 41103 states and 57124 transitions. [2025-03-17 09:23:24,941 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2025-03-17 09:23:24,941 INFO L276 IsEmpty]: Start isEmpty. Operand 41103 states and 57124 transitions. [2025-03-17 09:23:24,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2025-03-17 09:23:24,945 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 09:23:24,945 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 17, 17, 17, 17, 17, 17, 4, 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] [2025-03-17 09:23:24,945 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-17 09:23:24,945 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2025-03-17 09:23:24,946 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 09:23:24,946 INFO L85 PathProgramCache]: Analyzing trace with hash 1494226200, now seen corresponding path program 1 times [2025-03-17 09:23:24,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 09:23:24,946 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [127558131] [2025-03-17 09:23:24,946 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 09:23:24,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 09:23:26,943 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 268 statements into 1 equivalence classes. [2025-03-17 09:23:27,019 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 268 of 268 statements. [2025-03-17 09:23:27,019 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 09:23:27,019 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 09:23:27,217 INFO L134 CoverageAnalysis]: Checked inductivity of 1482 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 1470 trivial. 0 not checked. [2025-03-17 09:23:27,217 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 09:23:27,217 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [127558131] [2025-03-17 09:23:27,217 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [127558131] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 09:23:27,217 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 09:23:27,217 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 09:23:27,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1684310270] [2025-03-17 09:23:27,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 09:23:27,218 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 09:23:27,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 09:23:27,218 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 09:23:27,218 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 09:23:27,218 INFO L87 Difference]: Start difference. First operand 41103 states and 57124 transitions. Second operand has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2025-03-17 09:23:31,249 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []