./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-wan-farsync.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-wan-farsync.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 3dcd453e519a411dcaaa8ea095e5544a2fd8cdb9a31e662fc6de670ff7f7c541 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 19:45:06,437 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 19:45:06,473 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-01-09 19:45:06,478 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 19:45:06,478 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 19:45:06,493 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 19:45:06,493 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 19:45:06,494 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 19:45:06,494 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 19:45:06,494 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 19:45:06,494 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 19:45:06,494 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 19:45:06,494 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 19:45:06,494 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 19:45:06,494 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 19:45:06,495 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 19:45:06,495 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 19:45:06,495 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 19:45:06,495 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 19:45:06,495 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 19:45:06,495 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 19:45:06,495 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 19:45:06,495 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 19:45:06,495 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 19:45:06,495 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 19:45:06,496 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 19:45:06,496 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 19:45:06,496 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 19:45:06,496 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 19:45:06,496 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 19:45:06,496 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 19:45:06,496 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 19:45:06,496 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 19:45:06,496 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 19:45:06,496 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 19:45:06,496 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 19:45:06,496 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 19:45:06,496 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 19:45:06,496 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 19:45:06,496 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 19:45:06,496 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 19:45:06,496 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 19:45:06,497 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 19:45:06,497 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 19:45:06,497 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 19:45:06,497 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 -> 3dcd453e519a411dcaaa8ea095e5544a2fd8cdb9a31e662fc6de670ff7f7c541 [2025-01-09 19:45:06,733 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 19:45:06,743 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 19:45:06,746 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 19:45:06,747 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 19:45:06,747 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 19:45:06,748 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wan-farsync.cil.i [2025-01-09 19:45:07,947 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/761990594/79019e5ce8514363bcdb14b064917277/FLAGfb1ef53d7 [2025-01-09 19:45:08,438 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 19:45:08,439 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wan-farsync.cil.i [2025-01-09 19:45:08,472 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/761990594/79019e5ce8514363bcdb14b064917277/FLAGfb1ef53d7 [2025-01-09 19:45:08,485 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/761990594/79019e5ce8514363bcdb14b064917277 [2025-01-09 19:45:08,487 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 19:45:08,488 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 19:45:08,489 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 19:45:08,489 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 19:45:08,492 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 19:45:08,492 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 07:45:08" (1/1) ... [2025-01-09 19:45:08,493 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d613aa9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:45:08, skipping insertion in model container [2025-01-09 19:45:08,493 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 07:45:08" (1/1) ... [2025-01-09 19:45:08,573 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 19:45:10,753 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-wan-farsync.cil.i[320934,320947] [2025-01-09 19:45:10,760 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-wan-farsync.cil.i[321103,321116] [2025-01-09 19:45:10,760 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-wan-farsync.cil.i[321270,321283] [2025-01-09 19:45:10,760 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-wan-farsync.cil.i[321438,321451] [2025-01-09 19:45:10,783 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 19:45:10,810 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 19:45:10,909 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"); [5287] [2025-01-09 19:45:10,910 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)); [5294] [2025-01-09 19:45:10,911 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5301] [2025-01-09 19:45:10,912 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/home/debian/klever-work/native-scheduler-work-dir/scheduler/jobs/dfbfd2da522a1f5f4786ee57b863db44/klever-core-work-dir/f860c18/linux-kernel-locking-spinlock/lkbce/arch/x86/include/asm/paravirt.h"), "i" (804), "i" (12UL)); [5339-5340] [2025-01-09 19:45:10,912 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("771:\n\tcall *%c2;\n772:\n.pushsection .parainstructions,\"a\"\n .balign 8 \n .quad 771b\n .byte %c1\n .byte 772b-771b\n .short %c3\n.popsection\n": "=a" (__eax): [paravirt_typenum] "i" (44UL), [paravirt_opptr] "i" (& pv_irq_ops.save_fl.func), [paravirt_clobber] "i" (1): "memory", "cc"); [5345-5347] [2025-01-09 19:45:10,913 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movb %1,%0": "=q" (ret): "m" (*((unsigned char volatile *)addr)): "memory"); [5425] [2025-01-09 19:45:10,914 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movw %1,%0": "=r" (ret): "m" (*((unsigned short volatile *)addr)): "memory"); [5433] [2025-01-09 19:45:10,914 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [5441] [2025-01-09 19:45:10,918 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movb %0,%1": : "q" (val), "m" (*((unsigned char volatile *)addr)): "memory"); [5448] [2025-01-09 19:45:10,918 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movw %0,%1": : "r" (val), "m" (*((unsigned short volatile *)addr)): "memory"); [5455] [2025-01-09 19:45:10,918 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [5462] [2025-01-09 19:45:10,919 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [5499] [2025-01-09 19:45:10,919 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [5507] [2025-01-09 19:45:10,919 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outw %w0, %w1": : "a" (value), "Nd" (port)); [5514] [2025-01-09 19:45:10,919 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outl %0, %w1": : "a" (value), "Nd" (port)); [5521] [2025-01-09 19:45:10,919 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inl %w1, %0": "=a" (value): "Nd" (port)); [5529] [2025-01-09 19:45:11,050 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-wan-farsync.cil.i[320934,320947] [2025-01-09 19:45:11,051 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-wan-farsync.cil.i[321103,321116] [2025-01-09 19:45:11,051 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-wan-farsync.cil.i[321270,321283] [2025-01-09 19:45:11,051 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-wan-farsync.cil.i[321438,321451] [2025-01-09 19:45:11,055 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 19:45:11,165 INFO L204 MainTranslator]: Completed translation [2025-01-09 19:45:11,165 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:45:11 WrapperNode [2025-01-09 19:45:11,166 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 19:45:11,166 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 19:45:11,166 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 19:45:11,167 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 19:45:11,170 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:45:11" (1/1) ... [2025-01-09 19:45:11,224 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:45:11" (1/1) ... [2025-01-09 19:45:11,377 INFO L138 Inliner]: procedures = 418, calls = 2081, calls flagged for inlining = 195, calls inlined = 179, statements flattened = 5560 [2025-01-09 19:45:11,377 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 19:45:11,378 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 19:45:11,378 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 19:45:11,378 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 19:45:11,385 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:45:11" (1/1) ... [2025-01-09 19:45:11,385 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:45:11" (1/1) ... [2025-01-09 19:45:11,410 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:45:11" (1/1) ... [2025-01-09 19:45:11,983 INFO L175 MemorySlicer]: Split 1003 memory accesses to 19 slices as follows [728, 91, 8, 1, 2, 1, 33, 5, 40, 3, 1, 8, 2, 2, 3, 54, 5, 8, 8]. 73 percent of accesses are in the largest equivalence class. The 125 initializations are split as follows [19, 0, 8, 1, 2, 0, 32, 5, 32, 1, 0, 7, 0, 0, 1, 0, 1, 8, 8]. The 350 writes are split as follows [251, 49, 0, 0, 0, 0, 0, 0, 3, 1, 0, 0, 1, 1, 0, 42, 2, 0, 0]. [2025-01-09 19:45:11,984 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:45:11" (1/1) ... [2025-01-09 19:45:11,984 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:45:11" (1/1) ... [2025-01-09 19:45:12,100 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:45:11" (1/1) ... [2025-01-09 19:45:12,114 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:45:11" (1/1) ... [2025-01-09 19:45:12,137 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:45:11" (1/1) ... [2025-01-09 19:45:12,180 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:45:11" (1/1) ... [2025-01-09 19:45:12,200 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:45:11" (1/1) ... [2025-01-09 19:45:12,241 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 19:45:12,242 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 19:45:12,243 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 19:45:12,243 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 19:45:12,244 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:45:11" (1/1) ... [2025-01-09 19:45:12,249 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 19:45:12,258 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 19:45:12,273 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 19:45:12,278 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 19:45:12,290 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_fst_cleanup_module_12_2 [2025-01-09 19:45:12,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_fst_cleanup_module_12_2 [2025-01-09 19:45:12,291 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2025-01-09 19:45:12,291 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2025-01-09 19:45:12,291 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2025-01-09 19:45:12,291 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2025-01-09 19:45:12,291 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2025-01-09 19:45:12,291 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2025-01-09 19:45:12,291 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2025-01-09 19:45:12,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2025-01-09 19:45:12,291 INFO L130 BoogieDeclarations]: Found specification of procedure fst_remove_one [2025-01-09 19:45:12,291 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_remove_one [2025-01-09 19:45:12,291 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2025-01-09 19:45:12,292 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2025-01-09 19:45:12,292 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2025-01-09 19:45:12,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2025-01-09 19:45:12,292 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2025-01-09 19:45:12,292 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2025-01-09 19:45:12,292 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2025-01-09 19:45:12,292 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2025-01-09 19:45:12,292 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_toio [2025-01-09 19:45:12,292 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_toio [2025-01-09 19:45:12,292 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_61 [2025-01-09 19:45:12,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_61 [2025-01-09 19:45:12,292 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_67 [2025-01-09 19:45:12,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_67 [2025-01-09 19:45:12,293 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2025-01-09 19:45:12,293 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2025-01-09 19:45:12,293 INFO L130 BoogieDeclarations]: Found specification of procedure fst_close [2025-01-09 19:45:12,293 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_close [2025-01-09 19:45:12,293 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2025-01-09 19:45:12,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2025-01-09 19:45:12,293 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2025-01-09 19:45:12,293 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2025-01-09 19:45:12,293 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2025-01-09 19:45:12,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2025-01-09 19:45:12,293 INFO L130 BoogieDeclarations]: Found specification of procedure fst_tx_timeout [2025-01-09 19:45:12,293 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_tx_timeout [2025-01-09 19:45:12,293 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2025-01-09 19:45:12,293 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2025-01-09 19:45:12,293 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-01-09 19:45:12,293 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2025-01-09 19:45:12,293 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2025-01-09 19:45:12,294 INFO L130 BoogieDeclarations]: Found specification of procedure fst_open [2025-01-09 19:45:12,294 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_open [2025-01-09 19:45:12,294 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_type_trans [2025-01-09 19:45:12,294 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlc_type_trans [2025-01-09 19:45:12,294 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2025-01-09 19:45:12,294 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2025-01-09 19:45:12,294 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2025-01-09 19:45:12,294 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2025-01-09 19:45:12,294 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2025-01-09 19:45:12,294 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2025-01-09 19:45:12,294 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2025-01-09 19:45:12,294 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2025-01-09 19:45:12,294 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2025-01-09 19:45:12,294 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2025-01-09 19:45:12,294 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2025-01-09 19:45:12,294 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2025-01-09 19:45:12,294 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2025-01-09 19:45:12,295 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2025-01-09 19:45:12,295 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2025-01-09 19:45:12,295 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2025-01-09 19:45:12,295 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2025-01-09 19:45:12,295 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2025-01-09 19:45:12,295 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#16 [2025-01-09 19:45:12,295 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#17 [2025-01-09 19:45:12,295 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#18 [2025-01-09 19:45:12,295 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2025-01-09 19:45:12,295 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2025-01-09 19:45:12,295 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2025-01-09 19:45:12,295 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2025-01-09 19:45:12,295 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2025-01-09 19:45:12,295 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2025-01-09 19:45:12,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-01-09 19:45:12,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-01-09 19:45:12,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-01-09 19:45:12,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-01-09 19:45:12,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-01-09 19:45:12,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-01-09 19:45:12,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-01-09 19:45:12,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-01-09 19:45:12,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2025-01-09 19:45:12,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2025-01-09 19:45:12,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2025-01-09 19:45:12,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2025-01-09 19:45:12,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2025-01-09 19:45:12,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2025-01-09 19:45:12,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2025-01-09 19:45:12,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2025-01-09 19:45:12,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2025-01-09 19:45:12,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2025-01-09 19:45:12,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2025-01-09 19:45:12,295 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2025-01-09 19:45:12,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2025-01-09 19:45:12,295 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-01-09 19:45:12,295 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-01-09 19:45:12,295 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-01-09 19:45:12,295 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-01-09 19:45:12,295 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-01-09 19:45:12,295 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-01-09 19:45:12,295 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-01-09 19:45:12,296 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-01-09 19:45:12,296 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-01-09 19:45:12,296 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2025-01-09 19:45:12,296 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2025-01-09 19:45:12,296 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2025-01-09 19:45:12,296 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2025-01-09 19:45:12,296 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2025-01-09 19:45:12,296 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2025-01-09 19:45:12,296 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2025-01-09 19:45:12,296 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2025-01-09 19:45:12,296 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2025-01-09 19:45:12,296 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2025-01-09 19:45:12,296 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_hdlc [2025-01-09 19:45:12,296 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_hdlc [2025-01-09 19:45:12,296 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2025-01-09 19:45:12,296 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2025-01-09 19:45:12,296 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2025-01-09 19:45:12,296 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2025-01-09 19:45:12,296 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2025-01-09 19:45:12,296 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2025-01-09 19:45:12,296 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2025-01-09 19:45:12,296 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2025-01-09 19:45:12,296 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2025-01-09 19:45:12,296 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2025-01-09 19:45:12,296 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2025-01-09 19:45:12,296 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#11 [2025-01-09 19:45:12,296 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#12 [2025-01-09 19:45:12,296 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#13 [2025-01-09 19:45:12,296 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#14 [2025-01-09 19:45:12,296 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#15 [2025-01-09 19:45:12,296 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#16 [2025-01-09 19:45:12,297 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#17 [2025-01-09 19:45:12,297 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#18 [2025-01-09 19:45:12,297 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2025-01-09 19:45:12,297 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2025-01-09 19:45:12,297 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2025-01-09 19:45:12,297 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2025-01-09 19:45:12,297 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2025-01-09 19:45:12,298 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2025-01-09 19:45:12,298 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2025-01-09 19:45:12,298 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2025-01-09 19:45:12,298 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2025-01-09 19:45:12,298 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2025-01-09 19:45:12,298 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2025-01-09 19:45:12,298 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#11 [2025-01-09 19:45:12,298 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#12 [2025-01-09 19:45:12,298 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#13 [2025-01-09 19:45:12,298 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#14 [2025-01-09 19:45:12,298 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#15 [2025-01-09 19:45:12,298 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#16 [2025-01-09 19:45:12,298 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#17 [2025-01-09 19:45:12,298 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#18 [2025-01-09 19:45:12,298 INFO L130 BoogieDeclarations]: Found specification of procedure fst_issue_cmd [2025-01-09 19:45:12,298 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_issue_cmd [2025-01-09 19:45:12,298 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2025-01-09 19:45:12,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2025-01-09 19:45:12,299 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2025-01-09 19:45:12,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2025-01-09 19:45:12,299 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2025-01-09 19:45:12,299 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2025-01-09 19:45:12,299 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2025-01-09 19:45:12,299 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2025-01-09 19:45:12,299 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2025-01-09 19:45:12,299 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2025-01-09 19:45:12,299 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2025-01-09 19:45:12,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2025-01-09 19:45:12,299 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-01-09 19:45:12,299 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2025-01-09 19:45:12,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2025-01-09 19:45:12,299 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2025-01-09 19:45:12,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2025-01-09 19:45:12,299 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_card_lock_of_fst_card_info [2025-01-09 19:45:12,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_card_lock_of_fst_card_info [2025-01-09 19:45:12,299 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 19:45:12,299 INFO L130 BoogieDeclarations]: Found specification of procedure fst_cpureset [2025-01-09 19:45:12,299 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_cpureset [2025-01-09 19:45:12,299 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2025-01-09 19:45:12,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2025-01-09 19:45:12,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-01-09 19:45:12,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-01-09 19:45:12,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-01-09 19:45:12,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-01-09 19:45:12,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-01-09 19:45:12,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-01-09 19:45:12,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-01-09 19:45:12,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-01-09 19:45:12,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2025-01-09 19:45:12,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2025-01-09 19:45:12,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2025-01-09 19:45:12,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2025-01-09 19:45:12,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2025-01-09 19:45:12,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2025-01-09 19:45:12,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2025-01-09 19:45:12,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2025-01-09 19:45:12,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2025-01-09 19:45:12,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2025-01-09 19:45:12,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2025-01-09 19:45:12,300 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2025-01-09 19:45:12,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2025-01-09 19:45:12,300 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2025-01-09 19:45:12,301 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2025-01-09 19:45:12,301 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2025-01-09 19:45:12,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2025-01-09 19:45:12,301 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2025-01-09 19:45:12,301 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2025-01-09 19:45:12,301 INFO L130 BoogieDeclarations]: Found specification of procedure fst_q_work_item [2025-01-09 19:45:12,301 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_q_work_item [2025-01-09 19:45:12,301 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2025-01-09 19:45:12,301 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2025-01-09 19:45:12,301 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2025-01-09 19:45:12,301 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2025-01-09 19:45:12,301 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2025-01-09 19:45:12,301 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2025-01-09 19:45:12,301 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2025-01-09 19:45:12,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2025-01-09 19:45:12,301 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2025-01-09 19:45:12,301 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2025-01-09 19:45:12,301 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2025-01-09 19:45:12,301 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2025-01-09 19:45:12,301 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2025-01-09 19:45:12,301 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2025-01-09 19:45:12,301 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 19:45:12,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 19:45:12,301 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2025-01-09 19:45:12,301 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2025-01-09 19:45:12,301 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2025-01-09 19:45:12,301 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2025-01-09 19:45:12,301 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2025-01-09 19:45:12,301 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2025-01-09 19:45:12,301 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2025-01-09 19:45:12,301 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2025-01-09 19:45:12,301 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2025-01-09 19:45:12,301 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2025-01-09 19:45:12,301 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2025-01-09 19:45:12,301 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2025-01-09 19:45:12,301 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2025-01-09 19:45:12,301 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2025-01-09 19:45:12,301 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2025-01-09 19:45:12,301 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2025-01-09 19:45:12,301 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#16 [2025-01-09 19:45:12,301 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#17 [2025-01-09 19:45:12,301 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#18 [2025-01-09 19:45:12,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-01-09 19:45:12,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-01-09 19:45:12,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-01-09 19:45:12,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-01-09 19:45:12,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-01-09 19:45:12,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-01-09 19:45:12,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-01-09 19:45:12,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-01-09 19:45:12,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2025-01-09 19:45:12,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2025-01-09 19:45:12,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2025-01-09 19:45:12,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2025-01-09 19:45:12,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2025-01-09 19:45:12,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2025-01-09 19:45:12,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2025-01-09 19:45:12,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2025-01-09 19:45:12,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2025-01-09 19:45:12,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2025-01-09 19:45:12,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2025-01-09 19:45:12,303 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2025-01-09 19:45:12,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2025-01-09 19:45:12,303 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2025-01-09 19:45:12,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2025-01-09 19:45:12,303 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2025-01-09 19:45:12,303 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2025-01-09 19:45:12,303 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-01-09 19:45:12,303 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-01-09 19:45:12,303 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2025-01-09 19:45:12,303 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2025-01-09 19:45:12,303 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2025-01-09 19:45:12,303 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2025-01-09 19:45:12,303 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2025-01-09 19:45:12,303 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2025-01-09 19:45:12,303 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2025-01-09 19:45:12,303 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2025-01-09 19:45:12,303 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2025-01-09 19:45:12,303 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2025-01-09 19:45:12,303 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2025-01-09 19:45:12,303 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2025-01-09 19:45:12,304 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#14 [2025-01-09 19:45:12,304 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#15 [2025-01-09 19:45:12,304 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#16 [2025-01-09 19:45:12,304 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#17 [2025-01-09 19:45:12,304 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#18 [2025-01-09 19:45:12,304 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-01-09 19:45:12,304 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-01-09 19:45:12,304 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2025-01-09 19:45:12,304 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2025-01-09 19:45:12,304 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2025-01-09 19:45:12,304 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2025-01-09 19:45:12,304 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2025-01-09 19:45:12,304 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2025-01-09 19:45:12,304 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2025-01-09 19:45:12,304 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2025-01-09 19:45:12,304 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2025-01-09 19:45:12,304 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2025-01-09 19:45:12,304 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2025-01-09 19:45:12,304 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2025-01-09 19:45:12,304 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#14 [2025-01-09 19:45:12,304 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#15 [2025-01-09 19:45:12,304 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#16 [2025-01-09 19:45:12,304 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#17 [2025-01-09 19:45:12,304 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#18 [2025-01-09 19:45:12,305 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2025-01-09 19:45:12,305 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2025-01-09 19:45:12,305 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2025-01-09 19:45:12,305 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2025-01-09 19:45:12,305 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2025-01-09 19:45:12,305 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2025-01-09 19:45:12,305 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-01-09 19:45:12,305 INFO L130 BoogieDeclarations]: Found specification of procedure module_put [2025-01-09 19:45:12,305 INFO L138 BoogieDeclarations]: Found implementation of procedure module_put [2025-01-09 19:45:12,305 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-01-09 19:45:12,305 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-01-09 19:45:12,305 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-01-09 19:45:12,305 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-01-09 19:45:12,305 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-01-09 19:45:12,305 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-01-09 19:45:12,305 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-01-09 19:45:12,305 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-01-09 19:45:12,305 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2025-01-09 19:45:12,305 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2025-01-09 19:45:12,305 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2025-01-09 19:45:12,305 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2025-01-09 19:45:12,305 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2025-01-09 19:45:12,305 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2025-01-09 19:45:12,305 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2025-01-09 19:45:12,305 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2025-01-09 19:45:12,305 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2025-01-09 19:45:12,305 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2025-01-09 19:45:12,305 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2025-01-09 19:45:12,305 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2025-01-09 19:45:12,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2025-01-09 19:45:12,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-01-09 19:45:12,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-01-09 19:45:12,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-01-09 19:45:12,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-01-09 19:45:12,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-01-09 19:45:12,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-01-09 19:45:12,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-01-09 19:45:12,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-01-09 19:45:12,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2025-01-09 19:45:12,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2025-01-09 19:45:12,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2025-01-09 19:45:12,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2025-01-09 19:45:12,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2025-01-09 19:45:12,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2025-01-09 19:45:12,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2025-01-09 19:45:12,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2025-01-09 19:45:12,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2025-01-09 19:45:12,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2025-01-09 19:45:12,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2025-01-09 19:45:12,305 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2025-01-09 19:45:12,305 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2025-01-09 19:45:12,305 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2025-01-09 19:45:12,305 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2025-01-09 19:45:12,305 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2025-01-09 19:45:12,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2025-01-09 19:45:12,305 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2025-01-09 19:45:12,305 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2025-01-09 19:45:12,305 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2025-01-09 19:45:12,305 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2025-01-09 19:45:12,305 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2025-01-09 19:45:12,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2025-01-09 19:45:12,305 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2025-01-09 19:45:12,306 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2025-01-09 19:45:12,306 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2025-01-09 19:45:12,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2025-01-09 19:45:12,306 INFO L130 BoogieDeclarations]: Found specification of procedure farsync_type_trans [2025-01-09 19:45:12,306 INFO L138 BoogieDeclarations]: Found implementation of procedure farsync_type_trans [2025-01-09 19:45:12,307 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2025-01-09 19:45:12,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2025-01-09 19:45:12,307 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2025-01-09 19:45:12,307 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2025-01-09 19:45:12,307 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_fst_work_q_lock [2025-01-09 19:45:12,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_fst_work_q_lock [2025-01-09 19:45:12,307 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2025-01-09 19:45:12,307 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2025-01-09 19:45:12,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-01-09 19:45:12,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-01-09 19:45:12,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-01-09 19:45:12,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-01-09 19:45:12,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-01-09 19:45:12,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-01-09 19:45:12,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-01-09 19:45:12,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-01-09 19:45:12,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-01-09 19:45:12,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2025-01-09 19:45:12,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2025-01-09 19:45:12,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2025-01-09 19:45:12,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2025-01-09 19:45:12,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2025-01-09 19:45:12,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2025-01-09 19:45:12,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2025-01-09 19:45:12,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2025-01-09 19:45:12,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2025-01-09 19:45:12,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2025-01-09 19:45:12,307 INFO L130 BoogieDeclarations]: Found specification of procedure fst_disable_intr [2025-01-09 19:45:12,307 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_disable_intr [2025-01-09 19:45:12,307 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2025-01-09 19:45:12,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2025-01-09 19:45:12,308 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2025-01-09 19:45:12,308 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2025-01-09 19:45:12,308 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2025-01-09 19:45:12,308 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2025-01-09 19:45:12,308 INFO L130 BoogieDeclarations]: Found specification of procedure do_bottom_half_tx [2025-01-09 19:45:12,308 INFO L138 BoogieDeclarations]: Found implementation of procedure do_bottom_half_tx [2025-01-09 19:45:12,308 INFO L130 BoogieDeclarations]: Found specification of procedure fst_process_rx_status [2025-01-09 19:45:12,308 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_process_rx_status [2025-01-09 19:45:12,308 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2025-01-09 19:45:12,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2025-01-09 19:45:12,308 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2025-01-09 19:45:12,308 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2025-01-09 19:45:12,308 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_ioctl [2025-01-09 19:45:12,308 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlc_ioctl [2025-01-09 19:45:12,308 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2025-01-09 19:45:12,308 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2025-01-09 19:45:12,308 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2025-01-09 19:45:12,308 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2025-01-09 19:45:12,308 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2025-01-09 19:45:12,308 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2025-01-09 19:45:12,308 INFO L130 BoogieDeclarations]: Found specification of procedure fst_clear_intr [2025-01-09 19:45:12,308 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_clear_intr [2025-01-09 19:45:12,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-09 19:45:12,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-01-09 19:45:12,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-01-09 19:45:12,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-01-09 19:45:12,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-01-09 19:45:12,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-01-09 19:45:12,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-01-09 19:45:12,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-01-09 19:45:12,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-01-09 19:45:12,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2025-01-09 19:45:12,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2025-01-09 19:45:12,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2025-01-09 19:45:12,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2025-01-09 19:45:12,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2025-01-09 19:45:12,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2025-01-09 19:45:12,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2025-01-09 19:45:12,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2025-01-09 19:45:12,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2025-01-09 19:45:12,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2025-01-09 19:45:12,308 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2025-01-09 19:45:12,308 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2025-01-09 19:45:12,308 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2025-01-09 19:45:12,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2025-01-09 19:45:12,308 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2025-01-09 19:45:12,308 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2025-01-09 19:45:12,891 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 19:45:12,894 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 19:45:13,334 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2025-01-09 19:45:23,540 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2025-01-09 19:45:24,349 INFO L? ?]: Removed 2320 outVars from TransFormulas that were not future-live. [2025-01-09 19:45:24,349 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 19:45:24,384 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 19:45:24,387 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-01-09 19:45:24,388 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 07:45:24 BoogieIcfgContainer [2025-01-09 19:45:24,388 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 19:45:24,389 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 19:45:24,389 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 19:45:24,393 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 19:45:24,393 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 07:45:08" (1/3) ... [2025-01-09 19:45:24,393 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cbcf3c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 07:45:24, skipping insertion in model container [2025-01-09 19:45:24,393 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:45:11" (2/3) ... [2025-01-09 19:45:24,393 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cbcf3c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 07:45:24, skipping insertion in model container [2025-01-09 19:45:24,393 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 07:45:24" (3/3) ... [2025-01-09 19:45:24,394 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wan-farsync.cil.i [2025-01-09 19:45:24,403 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 19:45:24,406 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wan-farsync.cil.i that has 129 procedures, 2108 locations, 1 initial locations, 57 loop locations, and 3 error locations. [2025-01-09 19:45:24,485 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 19:45:24,492 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;@257bb5c1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 19:45:24,493 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2025-01-09 19:45:24,499 INFO L276 IsEmpty]: Start isEmpty. Operand has 1944 states, 1338 states have (on average 1.296711509715994) internal successors, (1735), 1352 states have internal predecessors, (1735), 512 states have call successors, (512), 92 states have call predecessors, (512), 91 states have return successors, (505), 503 states have call predecessors, (505), 505 states have call successors, (505) [2025-01-09 19:45:24,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2025-01-09 19:45:24,508 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 19:45:24,508 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:45:24,509 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 19:45:24,512 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 19:45:24,512 INFO L85 PathProgramCache]: Analyzing trace with hash -1094857002, now seen corresponding path program 1 times [2025-01-09 19:45:24,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 19:45:24,517 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580099992] [2025-01-09 19:45:24,517 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 19:45:24,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 19:45:26,855 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 83 statements into 1 equivalence classes. [2025-01-09 19:45:27,142 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 83 of 83 statements. [2025-01-09 19:45:27,143 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 19:45:27,143 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 19:45:27,651 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2025-01-09 19:45:27,652 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 19:45:27,652 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1580099992] [2025-01-09 19:45:27,653 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1580099992] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 19:45:27,654 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 19:45:27,654 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 19:45:27,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [133246176] [2025-01-09 19:45:27,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 19:45:27,659 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 19:45:27,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 19:45:27,678 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 19:45:27,679 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 19:45:27,687 INFO L87 Difference]: Start difference. First operand has 1944 states, 1338 states have (on average 1.296711509715994) internal successors, (1735), 1352 states have internal predecessors, (1735), 512 states have call successors, (512), 92 states have call predecessors, (512), 91 states have return successors, (505), 503 states have call predecessors, (505), 505 states have call successors, (505) Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 3 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2025-01-09 19:45:31,736 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 [] [2025-01-09 19:45:32,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 19:45:32,291 INFO L93 Difference]: Finished difference Result 5694 states and 8188 transitions. [2025-01-09 19:45:32,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 19:45:32,293 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 3 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 83 [2025-01-09 19:45:32,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 19:45:32,320 INFO L225 Difference]: With dead ends: 5694 [2025-01-09 19:45:32,320 INFO L226 Difference]: Without dead ends: 3754 [2025-01-09 19:45:32,330 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 19:45:32,332 INFO L435 NwaCegarLoop]: 2757 mSDtfsCounter, 2617 mSDsluCounter, 2678 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2617 SdHoareTripleChecker+Valid, 5435 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2025-01-09 19:45:32,332 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2617 Valid, 5435 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 26 Invalid, 1 Unknown, 0 Unchecked, 4.3s Time] [2025-01-09 19:45:32,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3754 states. [2025-01-09 19:45:32,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3754 to 3750. [2025-01-09 19:45:32,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3750 states, 2600 states have (on average 1.2923076923076924) internal successors, (3360), 2627 states have internal predecessors, (3360), 969 states have call successors, (969), 179 states have call predecessors, (969), 178 states have return successors, (965), 961 states have call predecessors, (965), 965 states have call successors, (965) [2025-01-09 19:45:32,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3750 states to 3750 states and 5294 transitions. [2025-01-09 19:45:32,543 INFO L78 Accepts]: Start accepts. Automaton has 3750 states and 5294 transitions. Word has length 83 [2025-01-09 19:45:32,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 19:45:32,544 INFO L471 AbstractCegarLoop]: Abstraction has 3750 states and 5294 transitions. [2025-01-09 19:45:32,544 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 3 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2025-01-09 19:45:32,545 INFO L276 IsEmpty]: Start isEmpty. Operand 3750 states and 5294 transitions. [2025-01-09 19:45:32,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2025-01-09 19:45:32,549 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 19:45:32,550 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:45:32,550 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-09 19:45:32,550 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 19:45:32,550 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 19:45:32,550 INFO L85 PathProgramCache]: Analyzing trace with hash -812948344, now seen corresponding path program 1 times [2025-01-09 19:45:32,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 19:45:32,551 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2058874563] [2025-01-09 19:45:32,551 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 19:45:32,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 19:45:34,414 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 93 statements into 1 equivalence classes. [2025-01-09 19:45:34,472 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 93 of 93 statements. [2025-01-09 19:45:34,472 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 19:45:34,473 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 19:45:34,955 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2025-01-09 19:45:34,956 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 19:45:34,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2058874563] [2025-01-09 19:45:34,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2058874563] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 19:45:34,956 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 19:45:34,956 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 19:45:34,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2036457198] [2025-01-09 19:45:34,956 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 19:45:34,957 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 19:45:34,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 19:45:34,957 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 19:45:34,957 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 19:45:34,958 INFO L87 Difference]: Start difference. First operand 3750 states and 5294 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, (13), 2 states have call predecessors, (13), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2025-01-09 19:45:38,987 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 [] [2025-01-09 19:45:39,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 19:45:39,960 INFO L93 Difference]: Finished difference Result 8277 states and 11718 transitions. [2025-01-09 19:45:39,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 19:45:39,960 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, (13), 2 states have call predecessors, (13), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 93 [2025-01-09 19:45:39,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 19:45:39,987 INFO L225 Difference]: With dead ends: 8277 [2025-01-09 19:45:39,988 INFO L226 Difference]: Without dead ends: 4542 [2025-01-09 19:45:40,002 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 19:45:40,003 INFO L435 NwaCegarLoop]: 2747 mSDtfsCounter, 1900 mSDsluCounter, 2651 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 19 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1900 SdHoareTripleChecker+Valid, 5398 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2025-01-09 19:45:40,003 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1900 Valid, 5398 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 76 Invalid, 1 Unknown, 0 Unchecked, 4.8s Time] [2025-01-09 19:45:40,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4542 states. [2025-01-09 19:45:40,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4542 to 4516. [2025-01-09 19:45:40,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4516 states, 3170 states have (on average 1.304416403785489) internal successors, (4135), 3202 states have internal predecessors, (4135), 1123 states have call successors, (1123), 222 states have call predecessors, (1123), 220 states have return successors, (1119), 1112 states have call predecessors, (1119), 1119 states have call successors, (1119) [2025-01-09 19:45:40,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4516 states to 4516 states and 6377 transitions. [2025-01-09 19:45:40,219 INFO L78 Accepts]: Start accepts. Automaton has 4516 states and 6377 transitions. Word has length 93 [2025-01-09 19:45:40,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 19:45:40,220 INFO L471 AbstractCegarLoop]: Abstraction has 4516 states and 6377 transitions. [2025-01-09 19:45:40,220 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, (13), 2 states have call predecessors, (13), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2025-01-09 19:45:40,220 INFO L276 IsEmpty]: Start isEmpty. Operand 4516 states and 6377 transitions. [2025-01-09 19:45:40,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2025-01-09 19:45:40,222 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 19:45:40,222 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:45:40,222 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-01-09 19:45:40,223 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 19:45:40,223 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 19:45:40,223 INFO L85 PathProgramCache]: Analyzing trace with hash -805724348, now seen corresponding path program 1 times [2025-01-09 19:45:40,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 19:45:40,223 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2095699551] [2025-01-09 19:45:40,223 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 19:45:40,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 19:45:42,406 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 91 statements into 1 equivalence classes. [2025-01-09 19:45:42,446 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 91 of 91 statements. [2025-01-09 19:45:42,446 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 19:45:42,446 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 19:45:42,644 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2025-01-09 19:45:42,645 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 19:45:42,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2095699551] [2025-01-09 19:45:42,645 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2095699551] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 19:45:42,645 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 19:45:42,645 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 19:45:42,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135356342] [2025-01-09 19:45:42,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 19:45:42,646 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 19:45:42,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 19:45:42,646 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 19:45:42,646 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 19:45:42,646 INFO L87 Difference]: Start difference. First operand 4516 states and 6377 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, (9), 2 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-01-09 19:45:46,676 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 [] [2025-01-09 19:45:47,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 19:45:47,476 INFO L93 Difference]: Finished difference Result 11824 states and 16631 transitions. [2025-01-09 19:45:47,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 19:45:47,477 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, (9), 2 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 91 [2025-01-09 19:45:47,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 19:45:47,511 INFO L225 Difference]: With dead ends: 11824 [2025-01-09 19:45:47,512 INFO L226 Difference]: Without dead ends: 7323 [2025-01-09 19:45:47,528 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 19:45:47,529 INFO L435 NwaCegarLoop]: 2728 mSDtfsCounter, 2437 mSDsluCounter, 2666 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 16 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2437 SdHoareTripleChecker+Valid, 5394 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2025-01-09 19:45:47,529 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2437 Valid, 5394 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 62 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2025-01-09 19:45:47,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7323 states. [2025-01-09 19:45:47,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7323 to 7293. [2025-01-09 19:45:47,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7293 states, 5109 states have (on average 1.291446467018986) internal successors, (6598), 5166 states have internal predecessors, (6598), 1801 states have call successors, (1801), 383 states have call predecessors, (1801), 380 states have return successors, (1797), 1776 states have call predecessors, (1797), 1797 states have call successors, (1797) [2025-01-09 19:45:47,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7293 states to 7293 states and 10196 transitions. [2025-01-09 19:45:47,771 INFO L78 Accepts]: Start accepts. Automaton has 7293 states and 10196 transitions. Word has length 91 [2025-01-09 19:45:47,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 19:45:47,772 INFO L471 AbstractCegarLoop]: Abstraction has 7293 states and 10196 transitions. [2025-01-09 19:45:47,772 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, (9), 2 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-01-09 19:45:47,772 INFO L276 IsEmpty]: Start isEmpty. Operand 7293 states and 10196 transitions. [2025-01-09 19:45:47,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2025-01-09 19:45:47,776 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 19:45:47,776 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:45:47,777 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-01-09 19:45:47,777 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 19:45:47,777 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 19:45:47,777 INFO L85 PathProgramCache]: Analyzing trace with hash -632152209, now seen corresponding path program 1 times [2025-01-09 19:45:47,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 19:45:47,777 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1440298612] [2025-01-09 19:45:47,777 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 19:45:47,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 19:45:49,629 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 95 statements into 1 equivalence classes. [2025-01-09 19:45:49,666 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 95 of 95 statements. [2025-01-09 19:45:49,666 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 19:45:49,667 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 19:45:49,831 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2025-01-09 19:45:49,831 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 19:45:49,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1440298612] [2025-01-09 19:45:49,831 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1440298612] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 19:45:49,831 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 19:45:49,832 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 19:45:49,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769531253] [2025-01-09 19:45:49,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 19:45:49,832 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 19:45:49,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 19:45:49,832 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 19:45:49,832 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 19:45:49,832 INFO L87 Difference]: Start difference. First operand 7293 states and 10196 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, (12), 2 states have call predecessors, (12), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2025-01-09 19:45:53,858 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 [] [2025-01-09 19:45:54,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 19:45:54,580 INFO L93 Difference]: Finished difference Result 18099 states and 25170 transitions. [2025-01-09 19:45:54,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 19:45:54,584 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, (12), 2 states have call predecessors, (12), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 95 [2025-01-09 19:45:54,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 19:45:54,650 INFO L225 Difference]: With dead ends: 18099 [2025-01-09 19:45:54,650 INFO L226 Difference]: Without dead ends: 10821 [2025-01-09 19:45:54,674 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 19:45:54,676 INFO L435 NwaCegarLoop]: 2734 mSDtfsCounter, 2027 mSDsluCounter, 2679 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2027 SdHoareTripleChecker+Valid, 5413 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2025-01-09 19:45:54,676 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2027 Valid, 5413 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 43 Invalid, 1 Unknown, 0 Unchecked, 4.5s Time] [2025-01-09 19:45:54,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10821 states. [2025-01-09 19:45:54,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10821 to 10791. [2025-01-09 19:45:54,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10791 states, 7537 states have (on average 1.284861350670028) internal successors, (9684), 7632 states have internal predecessors, (9684), 2622 states have call successors, (2622), 634 states have call predecessors, (2622), 629 states have return successors, (2624), 2569 states have call predecessors, (2624), 2618 states have call successors, (2624) [2025-01-09 19:45:54,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10791 states to 10791 states and 14930 transitions. [2025-01-09 19:45:55,001 INFO L78 Accepts]: Start accepts. Automaton has 10791 states and 14930 transitions. Word has length 95 [2025-01-09 19:45:55,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 19:45:55,002 INFO L471 AbstractCegarLoop]: Abstraction has 10791 states and 14930 transitions. [2025-01-09 19:45:55,002 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, (12), 2 states have call predecessors, (12), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2025-01-09 19:45:55,002 INFO L276 IsEmpty]: Start isEmpty. Operand 10791 states and 14930 transitions. [2025-01-09 19:45:55,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2025-01-09 19:45:55,003 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 19:45:55,003 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:45:55,004 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-01-09 19:45:55,004 INFO L396 AbstractCegarLoop]: === Iteration 5 === 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 19:45:55,004 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 19:45:55,004 INFO L85 PathProgramCache]: Analyzing trace with hash -1359684573, now seen corresponding path program 1 times [2025-01-09 19:45:55,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 19:45:55,004 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1984329368] [2025-01-09 19:45:55,005 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 19:45:55,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 19:45:57,153 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 92 statements into 1 equivalence classes. [2025-01-09 19:45:57,198 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 92 of 92 statements. [2025-01-09 19:45:57,198 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 19:45:57,198 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 19:45:57,407 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2025-01-09 19:45:57,407 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 19:45:57,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1984329368] [2025-01-09 19:45:57,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1984329368] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 19:45:57,407 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 19:45:57,407 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 19:45:57,407 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1533210012] [2025-01-09 19:45:57,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 19:45:57,408 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 19:45:57,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 19:45:57,408 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 19:45:57,408 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 19:45:57,408 INFO L87 Difference]: Start difference. First operand 10791 states and 14930 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-01-09 19:46:01,439 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 [] [2025-01-09 19:46:02,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 19:46:02,415 INFO L93 Difference]: Finished difference Result 30977 states and 42829 transitions. [2025-01-09 19:46:02,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 19:46:02,416 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 92 [2025-01-09 19:46:02,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 19:46:02,493 INFO L225 Difference]: With dead ends: 30977 [2025-01-09 19:46:02,493 INFO L226 Difference]: Without dead ends: 20201 [2025-01-09 19:46:02,610 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 19:46:02,612 INFO L435 NwaCegarLoop]: 3083 mSDtfsCounter, 2592 mSDsluCounter, 2667 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 16 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2592 SdHoareTripleChecker+Valid, 5750 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2025-01-09 19:46:02,612 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2592 Valid, 5750 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 62 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2025-01-09 19:46:02,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20201 states. [2025-01-09 19:46:03,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20201 to 20159. [2025-01-09 19:46:03,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20159 states, 14109 states have (on average 1.2775533347508683) internal successors, (18025), 14299 states have internal predecessors, (18025), 4859 states have call successors, (4859), 1197 states have call predecessors, (4859), 1188 states have return successors, (4867), 4746 states have call predecessors, (4867), 4855 states have call successors, (4867) [2025-01-09 19:46:03,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20159 states to 20159 states and 27751 transitions. [2025-01-09 19:46:03,239 INFO L78 Accepts]: Start accepts. Automaton has 20159 states and 27751 transitions. Word has length 92 [2025-01-09 19:46:03,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 19:46:03,240 INFO L471 AbstractCegarLoop]: Abstraction has 20159 states and 27751 transitions. [2025-01-09 19:46:03,241 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-01-09 19:46:03,241 INFO L276 IsEmpty]: Start isEmpty. Operand 20159 states and 27751 transitions. [2025-01-09 19:46:03,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2025-01-09 19:46:03,243 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 19:46:03,243 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:46:03,243 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-01-09 19:46:03,243 INFO L396 AbstractCegarLoop]: === Iteration 6 === 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 19:46:03,244 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 19:46:03,244 INFO L85 PathProgramCache]: Analyzing trace with hash 559805647, now seen corresponding path program 1 times [2025-01-09 19:46:03,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 19:46:03,244 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2144684820] [2025-01-09 19:46:03,244 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 19:46:03,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 19:46:05,420 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 108 statements into 1 equivalence classes. [2025-01-09 19:46:05,457 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 108 of 108 statements. [2025-01-09 19:46:05,457 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 19:46:05,457 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 19:46:05,740 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2025-01-09 19:46:05,740 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 19:46:05,740 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2144684820] [2025-01-09 19:46:05,740 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2144684820] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 19:46:05,740 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 19:46:05,740 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 19:46:05,740 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299731665] [2025-01-09 19:46:05,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 19:46:05,741 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 19:46:05,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 19:46:05,741 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 19:46:05,741 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 19:46:05,741 INFO L87 Difference]: Start difference. First operand 20159 states and 27751 transitions. Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2025-01-09 19:46:09,768 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 [] [2025-01-09 19:46:10,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 19:46:10,557 INFO L93 Difference]: Finished difference Result 56163 states and 77215 transitions. [2025-01-09 19:46:10,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 19:46:10,557 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 108 [2025-01-09 19:46:10,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 19:46:10,689 INFO L225 Difference]: With dead ends: 56163 [2025-01-09 19:46:10,689 INFO L226 Difference]: Without dead ends: 36019 [2025-01-09 19:46:10,741 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 19:46:10,741 INFO L435 NwaCegarLoop]: 3545 mSDtfsCounter, 2441 mSDsluCounter, 2625 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2441 SdHoareTripleChecker+Valid, 6170 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2025-01-09 19:46:10,742 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2441 Valid, 6170 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 22 Invalid, 1 Unknown, 0 Unchecked, 4.3s Time] [2025-01-09 19:46:10,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36019 states. [2025-01-09 19:46:11,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36019 to 35977. [2025-01-09 19:46:11,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35977 states, 25113 states have (on average 1.2701389718472504) internal successors, (31897), 25507 states have internal predecessors, (31897), 8720 states have call successors, (8720), 2174 states have call predecessors, (8720), 2141 states have return successors, (8748), 8455 states have call predecessors, (8748), 8716 states have call successors, (8748) [2025-01-09 19:46:12,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35977 states to 35977 states and 49365 transitions. [2025-01-09 19:46:12,057 INFO L78 Accepts]: Start accepts. Automaton has 35977 states and 49365 transitions. Word has length 108 [2025-01-09 19:46:12,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 19:46:12,058 INFO L471 AbstractCegarLoop]: Abstraction has 35977 states and 49365 transitions. [2025-01-09 19:46:12,058 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2025-01-09 19:46:12,058 INFO L276 IsEmpty]: Start isEmpty. Operand 35977 states and 49365 transitions. [2025-01-09 19:46:12,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2025-01-09 19:46:12,060 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 19:46:12,060 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 5, 5, 5, 5, 5, 5, 4, 4, 4, 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] [2025-01-09 19:46:12,060 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-01-09 19:46:12,060 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2025-01-09 19:46:12,061 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 19:46:12,061 INFO L85 PathProgramCache]: Analyzing trace with hash 1516383192, now seen corresponding path program 1 times [2025-01-09 19:46:12,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 19:46:12,061 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595208081] [2025-01-09 19:46:12,061 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 19:46:12,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 19:46:14,590 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 150 statements into 1 equivalence classes. [2025-01-09 19:46:14,622 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 150 of 150 statements. [2025-01-09 19:46:14,623 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 19:46:14,623 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 19:46:14,896 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2025-01-09 19:46:14,896 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 19:46:14,896 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [595208081] [2025-01-09 19:46:14,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [595208081] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 19:46:14,896 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 19:46:14,896 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 19:46:14,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427551436] [2025-01-09 19:46:14,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 19:46:14,897 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 19:46:14,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 19:46:14,897 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 19:46:14,897 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 19:46:14,898 INFO L87 Difference]: Start difference. First operand 35977 states and 49365 transitions. Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2025-01-09 19:46:15,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 19:46:15,651 INFO L93 Difference]: Finished difference Result 71926 states and 98723 transitions. [2025-01-09 19:46:15,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 19:46:15,652 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), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 150 [2025-01-09 19:46:15,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 19:46:15,793 INFO L225 Difference]: With dead ends: 71926 [2025-01-09 19:46:15,794 INFO L226 Difference]: Without dead ends: 36041 [2025-01-09 19:46:15,876 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 19:46:15,878 INFO L435 NwaCegarLoop]: 2719 mSDtfsCounter, 1 mSDsluCounter, 2716 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 5435 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-09 19:46:15,878 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 5435 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-09 19:46:15,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36041 states. [2025-01-09 19:46:16,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36041 to 36009. [2025-01-09 19:46:16,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36009 states, 25145 states have (on average 1.2697951879101212) internal successors, (31929), 25539 states have internal predecessors, (31929), 8720 states have call successors, (8720), 2174 states have call predecessors, (8720), 2141 states have return successors, (8748), 8455 states have call predecessors, (8748), 8716 states have call successors, (8748) [2025-01-09 19:46:16,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36009 states to 36009 states and 49397 transitions. [2025-01-09 19:46:16,952 INFO L78 Accepts]: Start accepts. Automaton has 36009 states and 49397 transitions. Word has length 150 [2025-01-09 19:46:16,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 19:46:16,953 INFO L471 AbstractCegarLoop]: Abstraction has 36009 states and 49397 transitions. [2025-01-09 19:46:16,953 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), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2025-01-09 19:46:16,953 INFO L276 IsEmpty]: Start isEmpty. Operand 36009 states and 49397 transitions. [2025-01-09 19:46:16,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2025-01-09 19:46:16,954 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 19:46:16,955 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 5, 5, 5, 5, 5, 5, 4, 4, 4, 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] [2025-01-09 19:46:16,955 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-01-09 19:46:16,955 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2025-01-09 19:46:16,955 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 19:46:16,955 INFO L85 PathProgramCache]: Analyzing trace with hash 156924372, now seen corresponding path program 1 times [2025-01-09 19:46:16,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 19:46:16,955 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482360787] [2025-01-09 19:46:16,956 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 19:46:16,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 19:46:18,910 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 152 statements into 1 equivalence classes. [2025-01-09 19:46:18,948 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 152 of 152 statements. [2025-01-09 19:46:18,948 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 19:46:18,948 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 19:46:19,315 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2025-01-09 19:46:19,315 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 19:46:19,315 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1482360787] [2025-01-09 19:46:19,315 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1482360787] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 19:46:19,315 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1252263243] [2025-01-09 19:46:19,315 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 19:46:19,315 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 19:46:19,315 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 19:46:19,321 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-09 19:46:19,326 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-01-09 19:46:22,736 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 152 statements into 1 equivalence classes. [2025-01-09 19:46:22,977 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 152 of 152 statements. [2025-01-09 19:46:22,977 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 19:46:22,977 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 19:46:22,988 INFO L256 TraceCheckSpWp]: Trace formula consists of 2706 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-01-09 19:46:23,000 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 19:46:23,364 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2025-01-09 19:46:23,364 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 19:46:23,364 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1252263243] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 19:46:23,365 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 19:46:23,365 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2025-01-09 19:46:23,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [185499813] [2025-01-09 19:46:23,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 19:46:23,365 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 19:46:23,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 19:46:23,365 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 19:46:23,365 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-01-09 19:46:23,366 INFO L87 Difference]: Start difference. First operand 36009 states and 49397 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2025-01-09 19:46:24,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 19:46:24,430 INFO L93 Difference]: Finished difference Result 77763 states and 106775 transitions. [2025-01-09 19:46:24,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 19:46:24,431 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 152 [2025-01-09 19:46:24,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 19:46:24,606 INFO L225 Difference]: With dead ends: 77763 [2025-01-09 19:46:24,606 INFO L226 Difference]: Without dead ends: 41846 [2025-01-09 19:46:24,702 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-01-09 19:46:24,705 INFO L435 NwaCegarLoop]: 2841 mSDtfsCounter, 2655 mSDsluCounter, 2220 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2655 SdHoareTripleChecker+Valid, 5061 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-01-09 19:46:24,705 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2655 Valid, 5061 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-01-09 19:46:24,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41846 states. [2025-01-09 19:46:25,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41846 to 41823. [2025-01-09 19:46:25,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41823 states, 29309 states have (on average 1.26981473267597) internal successors, (37217), 29715 states have internal predecessors, (37217), 10066 states have call successors, (10066), 2482 states have call predecessors, (10066), 2445 states have return successors, (10102), 9815 states have call predecessors, (10102), 10062 states have call successors, (10102) [2025-01-09 19:46:25,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41823 states to 41823 states and 57385 transitions. [2025-01-09 19:46:25,837 INFO L78 Accepts]: Start accepts. Automaton has 41823 states and 57385 transitions. Word has length 152 [2025-01-09 19:46:25,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 19:46:25,837 INFO L471 AbstractCegarLoop]: Abstraction has 41823 states and 57385 transitions. [2025-01-09 19:46:25,838 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2025-01-09 19:46:25,838 INFO L276 IsEmpty]: Start isEmpty. Operand 41823 states and 57385 transitions. [2025-01-09 19:46:25,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2025-01-09 19:46:25,842 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 19:46:25,842 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 5, 5, 5, 5, 5, 5, 4, 4, 4, 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] [2025-01-09 19:46:25,857 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-01-09 19:46:26,043 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 19:46:26,044 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2025-01-09 19:46:26,045 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 19:46:26,045 INFO L85 PathProgramCache]: Analyzing trace with hash 297472982, now seen corresponding path program 1 times [2025-01-09 19:46:26,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 19:46:26,045 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [111891899] [2025-01-09 19:46:26,045 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 19:46:26,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 19:46:28,188 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 152 statements into 1 equivalence classes. [2025-01-09 19:46:28,219 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 152 of 152 statements. [2025-01-09 19:46:28,219 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 19:46:28,219 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 19:46:28,551 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2025-01-09 19:46:28,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 19:46:28,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [111891899] [2025-01-09 19:46:28,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [111891899] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 19:46:28,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1438318820] [2025-01-09 19:46:28,552 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 19:46:28,552 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 19:46:28,553 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 19:46:28,554 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-09 19:46:28,557 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process