./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-spinlock_drivers-net-ethernet-8390-axnet_cs.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 551b0097 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-8390-axnet_cs.cil.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 6b81be647295ba0700d02fa1d093d31284b02ba80deefc4d677fbd988693200b --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 19:40:47,328 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 19:40:47,390 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-01-09 19:40:47,395 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 19:40:47,397 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 19:40:47,424 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 19:40:47,426 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 19:40:47,426 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 19:40:47,427 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 19:40:47,427 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 19:40:47,427 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 19:40:47,428 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 19:40:47,428 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 19:40:47,428 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 19:40:47,428 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 19:40:47,428 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 19:40:47,428 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 19:40:47,429 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 19:40:47,429 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 19:40:47,429 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 19:40:47,429 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 19:40:47,429 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 19:40:47,429 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 19:40:47,430 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 19:40:47,430 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 19:40:47,430 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 19:40:47,430 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 19:40:47,430 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 19:40:47,430 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 19:40:47,430 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 19:40:47,430 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 19:40:47,430 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 19:40:47,430 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 19:40:47,430 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 19:40:47,430 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 19:40:47,431 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 19:40:47,431 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 19:40:47,431 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 19:40:47,431 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 19:40:47,431 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 19:40:47,431 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 19:40:47,431 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 19:40:47,431 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 19:40:47,431 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 19:40:47,431 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 19:40:47,431 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-jdk21/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 -> 6b81be647295ba0700d02fa1d093d31284b02ba80deefc4d677fbd988693200b [2025-01-09 19:40:47,697 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 19:40:47,706 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 19:40:47,708 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 19:40:47,709 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 19:40:47,709 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 19:40:47,711 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-8390-axnet_cs.cil.i [2025-01-09 19:40:48,886 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/856012efe/20a1706144bf449090b06724cdd8fad6/FLAG9dffe43b0 [2025-01-09 19:40:49,387 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 19:40:49,387 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-8390-axnet_cs.cil.i [2025-01-09 19:40:49,430 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/856012efe/20a1706144bf449090b06724cdd8fad6/FLAG9dffe43b0 [2025-01-09 19:40:49,942 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/856012efe/20a1706144bf449090b06724cdd8fad6 [2025-01-09 19:40:49,944 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 19:40:49,945 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 19:40:49,946 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 19:40:49,947 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 19:40:49,952 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 19:40:49,953 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 07:40:49" (1/1) ... [2025-01-09 19:40:49,953 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58449f6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:40:49, skipping insertion in model container [2025-01-09 19:40:49,954 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 07:40:49" (1/1) ... [2025-01-09 19:40:50,066 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 19:40:52,477 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-8390-axnet_cs.cil.i[315060,315073] [2025-01-09 19:40:52,482 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-8390-axnet_cs.cil.i[315229,315242] [2025-01-09 19:40:52,483 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-8390-axnet_cs.cil.i[315396,315409] [2025-01-09 19:40:52,483 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-8390-axnet_cs.cil.i[315564,315577] [2025-01-09 19:40:52,509 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 19:40:52,566 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 19:40:52,714 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"); [5461] [2025-01-09 19:40:52,716 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)); [5468] [2025-01-09 19:40:52,717 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5475] [2025-01-09 19:40:52,719 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [5569] [2025-01-09 19:40:52,721 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [5577] [2025-01-09 19:40:52,722 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inw %w1, %w0": "=a" (value): "Nd" (port)); [5608] [2025-01-09 19:40:52,723 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("rep; outsw": "+S" (addr), "+c" (count): "d" (port)); [5615] [2025-01-09 19:40:52,723 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("rep; insw": "+D" (addr), "+c" (count): "d" (port)); [5622] [2025-01-09 19:40:52,885 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-8390-axnet_cs.cil.i[315060,315073] [2025-01-09 19:40:52,886 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-8390-axnet_cs.cil.i[315229,315242] [2025-01-09 19:40:52,887 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-8390-axnet_cs.cil.i[315396,315409] [2025-01-09 19:40:52,888 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-8390-axnet_cs.cil.i[315564,315577] [2025-01-09 19:40:52,893 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 19:40:53,007 INFO L204 MainTranslator]: Completed translation [2025-01-09 19:40:53,008 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:40:53 WrapperNode [2025-01-09 19:40:53,008 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 19:40:53,009 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 19:40:53,009 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 19:40:53,010 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 19:40:53,014 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:40:53" (1/1) ... [2025-01-09 19:40:53,079 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:40:53" (1/1) ... [2025-01-09 19:40:53,262 INFO L138 Inliner]: procedures = 369, calls = 2290, calls flagged for inlining = 174, calls inlined = 154, statements flattened = 4597 [2025-01-09 19:40:53,263 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 19:40:53,268 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 19:40:53,268 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 19:40:53,268 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 19:40:53,283 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:40:53" (1/1) ... [2025-01-09 19:40:53,284 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:40:53" (1/1) ... [2025-01-09 19:40:53,313 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:40:53" (1/1) ... [2025-01-09 19:40:53,716 INFO L175 MemorySlicer]: Split 1230 memory accesses to 11 slices as follows [1037, 1, 56, 52, 1, 2, 7, 35, 6, 28, 5]. 84 percent of accesses are in the largest equivalence class. The 165 initializations are split as follows [151, 0, 0, 0, 1, 2, 0, 0, 6, 0, 5]. The 816 writes are split as follows [658, 0, 48, 48, 0, 0, 6, 30, 0, 26, 0]. [2025-01-09 19:40:53,717 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:40:53" (1/1) ... [2025-01-09 19:40:53,717 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:40:53" (1/1) ... [2025-01-09 19:40:53,818 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:40:53" (1/1) ... [2025-01-09 19:40:53,829 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:40:53" (1/1) ... [2025-01-09 19:40:53,850 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:40:53" (1/1) ... [2025-01-09 19:40:53,891 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:40:53" (1/1) ... [2025-01-09 19:40:53,912 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:40:53" (1/1) ... [2025-01-09 19:40:53,952 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 19:40:53,954 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 19:40:53,954 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 19:40:53,954 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 19:40:53,956 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:40:53" (1/1) ... [2025-01-09 19:40:53,961 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 19:40:53,972 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 19:40:53,986 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-01-09 19:40:53,991 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-01-09 19:40:54,012 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_page_lock_of_ei_device [2025-01-09 19:40:54,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_page_lock_of_ei_device [2025-01-09 19:40:54,013 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2025-01-09 19:40:54,013 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2025-01-09 19:40:54,014 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2025-01-09 19:40:54,014 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2025-01-09 19:40:54,014 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2025-01-09 19:40:54,015 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2025-01-09 19:40:54,015 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2025-01-09 19:40:54,015 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2025-01-09 19:40:54,015 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2025-01-09 19:40:54,015 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2025-01-09 19:40:54,015 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2025-01-09 19:40:54,015 INFO L130 BoogieDeclarations]: Found specification of procedure axnet_detach [2025-01-09 19:40:54,015 INFO L138 BoogieDeclarations]: Found implementation of procedure axnet_detach [2025-01-09 19:40:54,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-01-09 19:40:54,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-01-09 19:40:54,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-01-09 19:40:54,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-01-09 19:40:54,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-01-09 19:40:54,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-01-09 19:40:54,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-01-09 19:40:54,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-01-09 19:40:54,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2025-01-09 19:40:54,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2025-01-09 19:40:54,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2025-01-09 19:40:54,015 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2025-01-09 19:40:54,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2025-01-09 19:40:54,015 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2025-01-09 19:40:54,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2025-01-09 19:40:54,016 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2025-01-09 19:40:54,016 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2025-01-09 19:40:54,016 INFO L130 BoogieDeclarations]: Found specification of procedure AX88190_init [2025-01-09 19:40:54,016 INFO L138 BoogieDeclarations]: Found implementation of procedure AX88190_init [2025-01-09 19:40:54,016 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~TO~VOID [2025-01-09 19:40:54,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~TO~VOID [2025-01-09 19:40:54,016 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2025-01-09 19:40:54,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2025-01-09 19:40:54,016 INFO L130 BoogieDeclarations]: Found specification of procedure slow_down_io [2025-01-09 19:40:54,016 INFO L138 BoogieDeclarations]: Found implementation of procedure slow_down_io [2025-01-09 19:40:54,016 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2025-01-09 19:40:54,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2025-01-09 19:40:54,016 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_70 [2025-01-09 19:40:54,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_70 [2025-01-09 19:40:54,016 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2025-01-09 19:40:54,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2025-01-09 19:40:54,016 INFO L130 BoogieDeclarations]: Found specification of procedure ei_receive [2025-01-09 19:40:54,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ei_receive [2025-01-09 19:40:54,016 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-01-09 19:40:54,016 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-01-09 19:40:54,016 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2025-01-09 19:40:54,016 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2025-01-09 19:40:54,016 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2025-01-09 19:40:54,019 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2025-01-09 19:40:54,019 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2025-01-09 19:40:54,019 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2025-01-09 19:40:54,019 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2025-01-09 19:40:54,019 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2025-01-09 19:40:54,019 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2025-01-09 19:40:54,019 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-01-09 19:40:54,019 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-01-09 19:40:54,019 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2025-01-09 19:40:54,021 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2025-01-09 19:40:54,021 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2025-01-09 19:40:54,021 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2025-01-09 19:40:54,021 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2025-01-09 19:40:54,021 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2025-01-09 19:40:54,021 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2025-01-09 19:40:54,021 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2025-01-09 19:40:54,021 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2025-01-09 19:40:54,021 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_axnet_cs_driver_exit_14_2 [2025-01-09 19:40:54,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_axnet_cs_driver_exit_14_2 [2025-01-09 19:40:54,021 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2025-01-09 19:40:54,021 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2025-01-09 19:40:54,021 INFO L130 BoogieDeclarations]: Found specification of procedure axnet_release [2025-01-09 19:40:54,021 INFO L138 BoogieDeclarations]: Found implementation of procedure axnet_release [2025-01-09 19:40:54,021 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2025-01-09 19:40:54,021 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2025-01-09 19:40:54,021 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_write_config_byte [2025-01-09 19:40:54,021 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_write_config_byte [2025-01-09 19:40:54,021 INFO L130 BoogieDeclarations]: Found specification of procedure insw [2025-01-09 19:40:54,022 INFO L138 BoogieDeclarations]: Found implementation of procedure insw [2025-01-09 19:40:54,022 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_netdev_dbg [2025-01-09 19:40:54,022 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_netdev_dbg [2025-01-09 19:40:54,022 INFO L130 BoogieDeclarations]: Found specification of procedure PRIV [2025-01-09 19:40:54,022 INFO L138 BoogieDeclarations]: Found implementation of procedure PRIV [2025-01-09 19:40:54,022 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2025-01-09 19:40:54,022 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2025-01-09 19:40:54,022 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-01-09 19:40:54,022 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2025-01-09 19:40:54,022 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2025-01-09 19:40:54,022 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-01-09 19:40:54,022 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-01-09 19:40:54,022 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-01-09 19:40:54,022 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-01-09 19:40:54,022 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-01-09 19:40:54,022 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-01-09 19:40:54,022 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-01-09 19:40:54,022 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-01-09 19:40:54,022 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2025-01-09 19:40:54,022 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2025-01-09 19:40:54,022 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2025-01-09 19:40:54,022 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2025-01-09 19:40:54,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2025-01-09 19:40:54,022 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2025-01-09 19:40:54,022 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2025-01-09 19:40:54,022 INFO L130 BoogieDeclarations]: Found specification of procedure set_multicast_list [2025-01-09 19:40:54,023 INFO L138 BoogieDeclarations]: Found implementation of procedure set_multicast_list [2025-01-09 19:40:54,023 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2025-01-09 19:40:54,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2025-01-09 19:40:54,023 INFO L130 BoogieDeclarations]: Found specification of procedure NS8390_trigger_send [2025-01-09 19:40:54,023 INFO L138 BoogieDeclarations]: Found implementation of procedure NS8390_trigger_send [2025-01-09 19:40:54,023 INFO L130 BoogieDeclarations]: Found specification of procedure ei_tx_intr [2025-01-09 19:40:54,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ei_tx_intr [2025-01-09 19:40:54,023 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-01-09 19:40:54,023 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2025-01-09 19:40:54,023 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2025-01-09 19:40:54,023 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_warn [2025-01-09 19:40:54,023 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_warn [2025-01-09 19:40:54,023 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2025-01-09 19:40:54,023 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2025-01-09 19:40:54,023 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2025-01-09 19:40:54,023 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2025-01-09 19:40:54,023 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2025-01-09 19:40:54,023 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2025-01-09 19:40:54,023 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2025-01-09 19:40:54,023 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2025-01-09 19:40:54,023 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2025-01-09 19:40:54,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2025-01-09 19:40:54,023 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2025-01-09 19:40:54,023 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2025-01-09 19:40:54,024 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2025-01-09 19:40:54,024 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2025-01-09 19:40:54,024 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2025-01-09 19:40:54,024 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2025-01-09 19:40:54,025 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2025-01-09 19:40:54,027 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2025-01-09 19:40:54,027 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2025-01-09 19:40:54,027 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2025-01-09 19:40:54,028 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2025-01-09 19:40:54,028 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_sync [2025-01-09 19:40:54,028 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_sync [2025-01-09 19:40:54,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-01-09 19:40:54,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-01-09 19:40:54,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-01-09 19:40:54,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-01-09 19:40:54,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-01-09 19:40:54,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-01-09 19:40:54,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-01-09 19:40:54,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-01-09 19:40:54,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2025-01-09 19:40:54,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2025-01-09 19:40:54,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2025-01-09 19:40:54,028 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2025-01-09 19:40:54,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2025-01-09 19:40:54,028 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-01-09 19:40:54,028 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-01-09 19:40:54,028 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-01-09 19:40:54,028 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-01-09 19:40:54,028 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-01-09 19:40:54,029 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-01-09 19:40:54,029 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-01-09 19:40:54,029 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-01-09 19:40:54,029 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-01-09 19:40:54,029 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2025-01-09 19:40:54,029 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2025-01-09 19:40:54,029 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2025-01-09 19:40:54,029 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2025-01-09 19:40:54,029 INFO L130 BoogieDeclarations]: Found specification of procedure ei_irq_wrapper [2025-01-09 19:40:54,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ei_irq_wrapper [2025-01-09 19:40:54,029 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2025-01-09 19:40:54,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2025-01-09 19:40:54,029 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2025-01-09 19:40:54,029 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2025-01-09 19:40:54,029 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2025-01-09 19:40:54,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2025-01-09 19:40:54,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-01-09 19:40:54,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-01-09 19:40:54,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-01-09 19:40:54,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-01-09 19:40:54,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-01-09 19:40:54,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-01-09 19:40:54,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-01-09 19:40:54,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-01-09 19:40:54,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-01-09 19:40:54,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2025-01-09 19:40:54,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2025-01-09 19:40:54,029 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2025-01-09 19:40:54,029 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2025-01-09 19:40:54,029 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2025-01-09 19:40:54,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2025-01-09 19:40:54,029 INFO L130 BoogieDeclarations]: Found specification of procedure axnet_reset_8390 [2025-01-09 19:40:54,030 INFO L138 BoogieDeclarations]: Found implementation of procedure axnet_reset_8390 [2025-01-09 19:40:54,030 INFO L130 BoogieDeclarations]: Found specification of procedure axnet_tx_timeout [2025-01-09 19:40:54,030 INFO L138 BoogieDeclarations]: Found implementation of procedure axnet_tx_timeout [2025-01-09 19:40:54,030 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2025-01-09 19:40:54,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2025-01-09 19:40:54,030 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-01-09 19:40:54,030 INFO L130 BoogieDeclarations]: Found specification of procedure inb_p [2025-01-09 19:40:54,030 INFO L138 BoogieDeclarations]: Found implementation of procedure inb_p [2025-01-09 19:40:54,030 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2025-01-09 19:40:54,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2025-01-09 19:40:54,030 INFO L130 BoogieDeclarations]: Found specification of procedure axnet_cs_driver_exit [2025-01-09 19:40:54,030 INFO L138 BoogieDeclarations]: Found implementation of procedure axnet_cs_driver_exit [2025-01-09 19:40:54,030 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 19:40:54,030 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2025-01-09 19:40:54,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2025-01-09 19:40:54,030 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2025-01-09 19:40:54,030 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2025-01-09 19:40:54,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-01-09 19:40:54,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-01-09 19:40:54,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-01-09 19:40:54,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-01-09 19:40:54,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-01-09 19:40:54,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-01-09 19:40:54,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-01-09 19:40:54,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-01-09 19:40:54,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2025-01-09 19:40:54,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2025-01-09 19:40:54,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2025-01-09 19:40:54,033 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2025-01-09 19:40:54,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2025-01-09 19:40:54,033 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2025-01-09 19:40:54,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2025-01-09 19:40:54,033 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2025-01-09 19:40:54,033 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2025-01-09 19:40:54,034 INFO L130 BoogieDeclarations]: Found specification of procedure outb_p [2025-01-09 19:40:54,034 INFO L138 BoogieDeclarations]: Found implementation of procedure outb_p [2025-01-09 19:40:54,034 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2025-01-09 19:40:54,034 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2025-01-09 19:40:54,034 INFO L130 BoogieDeclarations]: Found specification of procedure do_set_multicast_list [2025-01-09 19:40:54,034 INFO L138 BoogieDeclarations]: Found implementation of procedure do_set_multicast_list [2025-01-09 19:40:54,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-09 19:40:54,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-01-09 19:40:54,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-01-09 19:40:54,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-01-09 19:40:54,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-01-09 19:40:54,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-01-09 19:40:54,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-01-09 19:40:54,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-01-09 19:40:54,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-01-09 19:40:54,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2025-01-09 19:40:54,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2025-01-09 19:40:54,034 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2025-01-09 19:40:54,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2025-01-09 19:40:54,034 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2025-01-09 19:40:54,034 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2025-01-09 19:40:54,034 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 19:40:54,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 19:40:54,607 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 19:40:54,608 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 19:40:54,837 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2025-01-09 19:41:07,315 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2025-01-09 19:41:07,925 INFO L? ?]: Removed 1685 outVars from TransFormulas that were not future-live. [2025-01-09 19:41:07,925 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 19:41:07,967 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 19:41:07,971 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2025-01-09 19:41:07,971 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 07:41:07 BoogieIcfgContainer [2025-01-09 19:41:07,973 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 19:41:07,975 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 19:41:07,976 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 19:41:07,980 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 19:41:07,980 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 07:40:49" (1/3) ... [2025-01-09 19:41:07,981 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@182fc816 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 07:41:07, skipping insertion in model container [2025-01-09 19:41:07,981 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:40:53" (2/3) ... [2025-01-09 19:41:07,981 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@182fc816 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 07:41:07, skipping insertion in model container [2025-01-09 19:41:07,981 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 07:41:07" (3/3) ... [2025-01-09 19:41:07,982 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-8390-axnet_cs.cil.i [2025-01-09 19:41:07,997 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 19:41:08,001 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-8390-axnet_cs.cil.i that has 73 procedures, 1551 locations, 1 initial locations, 13 loop locations, and 3 error locations. [2025-01-09 19:41:08,078 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 19:41:08,090 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;@5cf867ff, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 19:41:08,090 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2025-01-09 19:41:08,099 INFO L276 IsEmpty]: Start isEmpty. Operand has 1509 states, 1046 states have (on average 1.3307839388145315) internal successors, (1392), 1070 states have internal predecessors, (1392), 400 states have call successors, (400), 62 states have call predecessors, (400), 61 states have return successors, (394), 386 states have call predecessors, (394), 394 states have call successors, (394) [2025-01-09 19:41:08,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2025-01-09 19:41:08,113 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 19:41:08,114 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 19:41:08,114 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2025-01-09 19:41:08,119 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 19:41:08,120 INFO L85 PathProgramCache]: Analyzing trace with hash 68996291, now seen corresponding path program 1 times [2025-01-09 19:41:08,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 19:41:08,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1062721394] [2025-01-09 19:41:08,128 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 19:41:08,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 19:41:24,604 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 105 statements into 1 equivalence classes. [2025-01-09 19:41:25,136 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 105 of 105 statements. [2025-01-09 19:41:25,137 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 19:41:25,137 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 19:41:26,321 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2025-01-09 19:41:26,321 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 19:41:26,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1062721394] [2025-01-09 19:41:26,322 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1062721394] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 19:41:26,322 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 19:41:26,322 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 19:41:26,323 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1787409065] [2025-01-09 19:41:26,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 19:41:26,327 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 19:41:26,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 19:41:26,344 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 19:41:26,344 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 19:41:26,349 INFO L87 Difference]: Start difference. First operand has 1509 states, 1046 states have (on average 1.3307839388145315) internal successors, (1392), 1070 states have internal predecessors, (1392), 400 states have call successors, (400), 62 states have call predecessors, (400), 61 states have return successors, (394), 386 states have call predecessors, (394), 394 states have call successors, (394) Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 3 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2025-01-09 19:41:30,468 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-01-09 19:41:31,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 19:41:31,413 INFO L93 Difference]: Finished difference Result 4396 states and 6457 transitions. [2025-01-09 19:41:31,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 19:41:31,414 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 3 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 105 [2025-01-09 19:41:31,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 19:41:31,441 INFO L225 Difference]: With dead ends: 4396 [2025-01-09 19:41:31,441 INFO L226 Difference]: Without dead ends: 2896 [2025-01-09 19:41:31,454 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 [2025-01-09 19:41:31,456 INFO L435 NwaCegarLoop]: 2183 mSDtfsCounter, 2051 mSDsluCounter, 2113 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2051 SdHoareTripleChecker+Valid, 4296 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2025-01-09 19:41:31,457 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2051 Valid, 4296 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 26 Invalid, 1 Unknown, 0 Unchecked, 4.9s Time] [2025-01-09 19:41:31,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2896 states. [2025-01-09 19:41:31,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2896 to 2892. [2025-01-09 19:41:31,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2892 states, 2024 states have (on average 1.3226284584980237) internal successors, (2677), 2069 states have internal predecessors, (2677), 747 states have call successors, (747), 119 states have call predecessors, (747), 118 states have return successors, (743), 727 states have call predecessors, (743), 743 states have call successors, (743) [2025-01-09 19:41:31,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2892 states to 2892 states and 4167 transitions. [2025-01-09 19:41:31,672 INFO L78 Accepts]: Start accepts. Automaton has 2892 states and 4167 transitions. Word has length 105 [2025-01-09 19:41:31,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 19:41:31,675 INFO L471 AbstractCegarLoop]: Abstraction has 2892 states and 4167 transitions. [2025-01-09 19:41:31,675 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 3 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2025-01-09 19:41:31,675 INFO L276 IsEmpty]: Start isEmpty. Operand 2892 states and 4167 transitions. [2025-01-09 19:41:31,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2025-01-09 19:41:31,679 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 19:41:31,679 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 19:41:31,679 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-09 19:41:31,679 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2025-01-09 19:41:31,681 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 19:41:31,681 INFO L85 PathProgramCache]: Analyzing trace with hash -1986942353, now seen corresponding path program 1 times [2025-01-09 19:41:31,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 19:41:31,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1045467398] [2025-01-09 19:41:31,681 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 19:41:31,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 19:41:46,984 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 114 statements into 1 equivalence classes. [2025-01-09 19:41:47,185 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 114 of 114 statements. [2025-01-09 19:41:47,186 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 19:41:47,186 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 19:41:47,782 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2025-01-09 19:41:47,783 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 19:41:47,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1045467398] [2025-01-09 19:41:47,784 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1045467398] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 19:41:47,784 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 19:41:47,784 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 19:41:47,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1205958764] [2025-01-09 19:41:47,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 19:41:47,786 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 19:41:47,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 19:41:47,787 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 19:41:47,787 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 19:41:47,787 INFO L87 Difference]: Start difference. First operand 2892 states and 4167 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, (13), 2 states have call predecessors, (13), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2025-01-09 19:41:51,877 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-01-09 19:41:53,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 19:41:53,225 INFO L93 Difference]: Finished difference Result 8130 states and 11693 transitions. [2025-01-09 19:41:53,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 19:41:53,226 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, (13), 2 states have call predecessors, (13), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 114 [2025-01-09 19:41:53,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 19:41:53,265 INFO L225 Difference]: With dead ends: 8130 [2025-01-09 19:41:53,265 INFO L226 Difference]: Without dead ends: 5257 [2025-01-09 19:41:53,279 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 [2025-01-09 19:41:53,280 INFO L435 NwaCegarLoop]: 2273 mSDtfsCounter, 1743 mSDsluCounter, 2086 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1743 SdHoareTripleChecker+Valid, 4359 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2025-01-09 19:41:53,280 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1743 Valid, 4359 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 53 Invalid, 1 Unknown, 0 Unchecked, 5.3s Time] [2025-01-09 19:41:53,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5257 states. [2025-01-09 19:41:53,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5257 to 5226. [2025-01-09 19:41:53,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5226 states, 3650 states have (on average 1.3197260273972602) internal successors, (4817), 3732 states have internal predecessors, (4817), 1342 states have call successors, (1342), 230 states have call predecessors, (1342), 231 states have return successors, (1344), 1309 states have call predecessors, (1344), 1338 states have call successors, (1344) [2025-01-09 19:41:53,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5226 states to 5226 states and 7503 transitions. [2025-01-09 19:41:53,512 INFO L78 Accepts]: Start accepts. Automaton has 5226 states and 7503 transitions. Word has length 114 [2025-01-09 19:41:53,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 19:41:53,512 INFO L471 AbstractCegarLoop]: Abstraction has 5226 states and 7503 transitions. [2025-01-09 19:41:53,513 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, (13), 2 states have call predecessors, (13), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2025-01-09 19:41:53,513 INFO L276 IsEmpty]: Start isEmpty. Operand 5226 states and 7503 transitions. [2025-01-09 19:41:53,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2025-01-09 19:41:53,515 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 19:41:53,515 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 7, 7, 7, 7, 7, 7, 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] [2025-01-09 19:41:53,515 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-01-09 19:41:53,516 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2025-01-09 19:41:53,518 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 19:41:53,519 INFO L85 PathProgramCache]: Analyzing trace with hash 1178193363, now seen corresponding path program 1 times [2025-01-09 19:41:53,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 19:41:53,519 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [826974905] [2025-01-09 19:41:53,519 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 19:41:53,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 19:42:08,822 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 119 statements into 1 equivalence classes. [2025-01-09 19:42:09,016 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 119 of 119 statements. [2025-01-09 19:42:09,016 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 19:42:09,016 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 19:42:09,945 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 213 trivial. 0 not checked. [2025-01-09 19:42:09,945 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 19:42:09,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [826974905] [2025-01-09 19:42:09,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [826974905] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 19:42:09,945 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 19:42:09,945 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 19:42:09,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1591089996] [2025-01-09 19:42:09,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 19:42:09,945 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 19:42:09,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 19:42:09,946 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 19:42:09,946 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 19:42:09,946 INFO L87 Difference]: Start difference. First operand 5226 states and 7503 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2025-01-09 19:42:14,053 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-01-09 19:42:15,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 19:42:15,084 INFO L93 Difference]: Finished difference Result 14108 states and 20101 transitions. [2025-01-09 19:42:15,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 19:42:15,084 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 119 [2025-01-09 19:42:15,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 19:42:15,142 INFO L225 Difference]: With dead ends: 14108 [2025-01-09 19:42:15,142 INFO L226 Difference]: Without dead ends: 8901 [2025-01-09 19:42:15,168 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 [2025-01-09 19:42:15,169 INFO L435 NwaCegarLoop]: 2186 mSDtfsCounter, 1604 mSDsluCounter, 2093 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1604 SdHoareTripleChecker+Valid, 4279 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2025-01-09 19:42:15,170 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1604 Valid, 4279 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 22 Invalid, 1 Unknown, 0 Unchecked, 4.9s Time] [2025-01-09 19:42:15,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8901 states. [2025-01-09 19:42:15,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8901 to 8868. [2025-01-09 19:42:15,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8868 states, 6142 states have (on average 1.2984369912080755) internal successors, (7975), 6280 states have internal predecessors, (7975), 2292 states have call successors, (2292), 434 states have call predecessors, (2292), 431 states have return successors, (2300), 2219 states have call predecessors, (2300), 2288 states have call successors, (2300) [2025-01-09 19:42:15,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8868 states to 8868 states and 12567 transitions. [2025-01-09 19:42:15,499 INFO L78 Accepts]: Start accepts. Automaton has 8868 states and 12567 transitions. Word has length 119 [2025-01-09 19:42:15,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 19:42:15,500 INFO L471 AbstractCegarLoop]: Abstraction has 8868 states and 12567 transitions. [2025-01-09 19:42:15,500 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2025-01-09 19:42:15,500 INFO L276 IsEmpty]: Start isEmpty. Operand 8868 states and 12567 transitions. [2025-01-09 19:42:15,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2025-01-09 19:42:15,502 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 19:42:15,503 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 7, 7, 7, 7, 7, 7, 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] [2025-01-09 19:42:15,503 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-01-09 19:42:15,503 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2025-01-09 19:42:15,503 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 19:42:15,503 INFO L85 PathProgramCache]: Analyzing trace with hash 1777335929, now seen corresponding path program 1 times [2025-01-09 19:42:15,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 19:42:15,503 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [953725846] [2025-01-09 19:42:15,503 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 19:42:15,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms