./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 d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e244552f-0987-4cde-bece-cfd0732e83cf/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e244552f-0987-4cde-bece-cfd0732e83cf/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e244552f-0987-4cde-bece-cfd0732e83cf/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e244552f-0987-4cde-bece-cfd0732e83cf/bin/uautomizer-verify-aQ6SnzHsRB/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e244552f-0987-4cde-bece-cfd0732e83cf/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e244552f-0987-4cde-bece-cfd0732e83cf/bin/uautomizer-verify-aQ6SnzHsRB --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-dev-d790fec [2024-11-28 02:57:08,485 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 02:57:08,576 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e244552f-0987-4cde-bece-cfd0732e83cf/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-28 02:57:08,584 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 02:57:08,584 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 02:57:08,626 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 02:57:08,628 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 02:57:08,629 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 02:57:08,629 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 02:57:08,629 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 02:57:08,630 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 02:57:08,630 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 02:57:08,631 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 02:57:08,631 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 02:57:08,631 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 02:57:08,631 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 02:57:08,631 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 02:57:08,631 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 02:57:08,631 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 02:57:08,631 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 02:57:08,632 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 02:57:08,632 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 02:57:08,632 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 02:57:08,632 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 02:57:08,632 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 02:57:08,632 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 02:57:08,632 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:57:08,632 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:57:08,632 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:57:08,632 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:57:08,633 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 02:57:08,633 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:57:08,633 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:57:08,633 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:57:08,633 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:57:08,634 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 02:57:08,634 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 02:57:08,634 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 02:57:08,634 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 02:57:08,634 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 02:57:08,634 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 02:57:08,634 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 02:57:08,634 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 02:57:08,634 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 02:57:08,635 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 02:57:08,635 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 -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e244552f-0987-4cde-bece-cfd0732e83cf/bin/uautomizer-verify-aQ6SnzHsRB 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 [2024-11-28 02:57:08,913 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 02:57:08,922 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 02:57:08,925 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 02:57:08,926 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 02:57:08,926 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 02:57:08,928 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e244552f-0987-4cde-bece-cfd0732e83cf/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wan-farsync.cil.i [2024-11-28 02:57:11,765 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e244552f-0987-4cde-bece-cfd0732e83cf/bin/uautomizer-verify-aQ6SnzHsRB/data/28e17daf1/184274f1a7cc4e71b4af01af277e15d2/FLAG865c32949 [2024-11-28 02:57:12,527 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 02:57:12,527 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e244552f-0987-4cde-bece-cfd0732e83cf/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wan-farsync.cil.i [2024-11-28 02:57:12,588 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e244552f-0987-4cde-bece-cfd0732e83cf/bin/uautomizer-verify-aQ6SnzHsRB/data/28e17daf1/184274f1a7cc4e71b4af01af277e15d2/FLAG865c32949 [2024-11-28 02:57:12,608 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e244552f-0987-4cde-bece-cfd0732e83cf/bin/uautomizer-verify-aQ6SnzHsRB/data/28e17daf1/184274f1a7cc4e71b4af01af277e15d2 [2024-11-28 02:57:12,610 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 02:57:12,612 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 02:57:12,615 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 02:57:12,616 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 02:57:12,620 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 02:57:12,621 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:57:12" (1/1) ... [2024-11-28 02:57:12,622 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5567138c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:12, skipping insertion in model container [2024-11-28 02:57:12,622 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:57:12" (1/1) ... [2024-11-28 02:57:12,765 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 02:57:15,295 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e244552f-0987-4cde-bece-cfd0732e83cf/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wan-farsync.cil.i[320934,320947] [2024-11-28 02:57:15,299 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e244552f-0987-4cde-bece-cfd0732e83cf/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wan-farsync.cil.i[321103,321116] [2024-11-28 02:57:15,299 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e244552f-0987-4cde-bece-cfd0732e83cf/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wan-farsync.cil.i[321270,321283] [2024-11-28 02:57:15,300 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e244552f-0987-4cde-bece-cfd0732e83cf/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wan-farsync.cil.i[321438,321451] [2024-11-28 02:57:15,326 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:57:15,365 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 02:57:15,519 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] [2024-11-28 02:57:15,521 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] [2024-11-28 02:57:15,522 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5301] [2024-11-28 02:57:15,524 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] [2024-11-28 02:57:15,524 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] [2024-11-28 02:57:15,527 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movb %1,%0": "=q" (ret): "m" (*((unsigned char volatile *)addr)): "memory"); [5425] [2024-11-28 02:57:15,528 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movw %1,%0": "=r" (ret): "m" (*((unsigned short volatile *)addr)): "memory"); [5433] [2024-11-28 02:57:15,528 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [5441] [2024-11-28 02:57:15,528 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movb %0,%1": : "q" (val), "m" (*((unsigned char volatile *)addr)): "memory"); [5448] [2024-11-28 02:57:15,529 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movw %0,%1": : "r" (val), "m" (*((unsigned short volatile *)addr)): "memory"); [5455] [2024-11-28 02:57:15,529 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [5462] [2024-11-28 02:57:15,530 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [5499] [2024-11-28 02:57:15,530 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [5507] [2024-11-28 02:57:15,530 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outw %w0, %w1": : "a" (value), "Nd" (port)); [5514] [2024-11-28 02:57:15,531 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outl %0, %w1": : "a" (value), "Nd" (port)); [5521] [2024-11-28 02:57:15,531 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inl %w1, %0": "=a" (value): "Nd" (port)); [5529] [2024-11-28 02:57:15,843 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e244552f-0987-4cde-bece-cfd0732e83cf/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wan-farsync.cil.i[320934,320947] [2024-11-28 02:57:15,844 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e244552f-0987-4cde-bece-cfd0732e83cf/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wan-farsync.cil.i[321103,321116] [2024-11-28 02:57:15,844 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e244552f-0987-4cde-bece-cfd0732e83cf/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wan-farsync.cil.i[321270,321283] [2024-11-28 02:57:15,845 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e244552f-0987-4cde-bece-cfd0732e83cf/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wan-farsync.cil.i[321438,321451] [2024-11-28 02:57:15,857 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:57:16,051 INFO L204 MainTranslator]: Completed translation [2024-11-28 02:57:16,052 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:16 WrapperNode [2024-11-28 02:57:16,053 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 02:57:16,054 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 02:57:16,054 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 02:57:16,054 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 02:57:16,062 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:16" (1/1) ... [2024-11-28 02:57:16,174 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:16" (1/1) ... [2024-11-28 02:57:16,426 INFO L138 Inliner]: procedures = 418, calls = 2081, calls flagged for inlining = 195, calls inlined = 179, statements flattened = 5560 [2024-11-28 02:57:16,427 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 02:57:16,428 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 02:57:16,428 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 02:57:16,428 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 02:57:16,437 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:16" (1/1) ... [2024-11-28 02:57:16,437 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:16" (1/1) ... [2024-11-28 02:57:16,470 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:16" (1/1) ... [2024-11-28 02:57:17,448 INFO L175 MemorySlicer]: Split 1003 memory accesses to 19 slices as follows [8, 1, 2, 33, 91, 5, 728, 40, 3, 8, 54, 1, 3, 5, 1, 2, 8, 8, 2]. 73 percent of accesses are in the largest equivalence class. The 125 initializations are split as follows [8, 1, 2, 32, 0, 5, 19, 32, 1, 7, 0, 0, 1, 1, 0, 0, 8, 8, 0]. The 350 writes are split as follows [0, 0, 0, 0, 49, 0, 251, 3, 1, 0, 42, 0, 0, 2, 0, 1, 0, 0, 1]. [2024-11-28 02:57:17,453 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:16" (1/1) ... [2024-11-28 02:57:17,453 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:16" (1/1) ... [2024-11-28 02:57:17,607 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:16" (1/1) ... [2024-11-28 02:57:17,628 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:16" (1/1) ... [2024-11-28 02:57:17,659 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:16" (1/1) ... [2024-11-28 02:57:17,694 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:16" (1/1) ... [2024-11-28 02:57:17,708 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:16" (1/1) ... [2024-11-28 02:57:17,760 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 02:57:17,760 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 02:57:17,761 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 02:57:17,761 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 02:57:17,762 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:16" (1/1) ... [2024-11-28 02:57:17,768 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:57:17,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e244552f-0987-4cde-bece-cfd0732e83cf/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:57:17,794 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e244552f-0987-4cde-bece-cfd0732e83cf/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 02:57:17,801 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e244552f-0987-4cde-bece-cfd0732e83cf/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 02:57:17,821 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_fst_cleanup_module_12_2 [2024-11-28 02:57:17,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_fst_cleanup_module_12_2 [2024-11-28 02:57:17,822 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2024-11-28 02:57:17,822 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2024-11-28 02:57:17,822 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-28 02:57:17,822 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-28 02:57:17,822 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2024-11-28 02:57:17,822 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2024-11-28 02:57:17,822 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-28 02:57:17,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-28 02:57:17,823 INFO L130 BoogieDeclarations]: Found specification of procedure fst_remove_one [2024-11-28 02:57:17,823 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_remove_one [2024-11-28 02:57:17,823 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2024-11-28 02:57:17,823 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2024-11-28 02:57:17,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-11-28 02:57:17,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-11-28 02:57:17,823 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2024-11-28 02:57:17,823 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2024-11-28 02:57:17,823 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2024-11-28 02:57:17,824 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2024-11-28 02:57:17,824 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_toio [2024-11-28 02:57:17,824 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_toio [2024-11-28 02:57:17,824 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_61 [2024-11-28 02:57:17,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_61 [2024-11-28 02:57:17,824 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_67 [2024-11-28 02:57:17,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_67 [2024-11-28 02:57:17,824 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2024-11-28 02:57:17,824 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2024-11-28 02:57:17,824 INFO L130 BoogieDeclarations]: Found specification of procedure fst_close [2024-11-28 02:57:17,825 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_close [2024-11-28 02:57:17,825 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2024-11-28 02:57:17,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2024-11-28 02:57:17,825 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2024-11-28 02:57:17,825 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2024-11-28 02:57:17,825 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-11-28 02:57:17,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-11-28 02:57:17,825 INFO L130 BoogieDeclarations]: Found specification of procedure fst_tx_timeout [2024-11-28 02:57:17,825 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_tx_timeout [2024-11-28 02:57:17,825 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-11-28 02:57:17,825 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-11-28 02:57:17,826 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-28 02:57:17,826 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2024-11-28 02:57:17,826 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2024-11-28 02:57:17,826 INFO L130 BoogieDeclarations]: Found specification of procedure fst_open [2024-11-28 02:57:17,826 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_open [2024-11-28 02:57:17,826 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_type_trans [2024-11-28 02:57:17,826 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlc_type_trans [2024-11-28 02:57:17,826 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2024-11-28 02:57:17,826 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2024-11-28 02:57:17,826 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-11-28 02:57:17,826 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-11-28 02:57:17,827 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-11-28 02:57:17,827 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-11-28 02:57:17,827 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-11-28 02:57:17,827 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-11-28 02:57:17,827 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-11-28 02:57:17,827 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-11-28 02:57:17,827 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-11-28 02:57:17,827 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-11-28 02:57:17,827 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-11-28 02:57:17,827 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2024-11-28 02:57:17,827 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2024-11-28 02:57:17,827 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2024-11-28 02:57:17,828 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2024-11-28 02:57:17,828 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2024-11-28 02:57:17,828 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#16 [2024-11-28 02:57:17,828 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#17 [2024-11-28 02:57:17,828 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#18 [2024-11-28 02:57:17,828 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2024-11-28 02:57:17,828 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2024-11-28 02:57:17,828 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2024-11-28 02:57:17,828 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2024-11-28 02:57:17,828 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2024-11-28 02:57:17,828 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2024-11-28 02:57:17,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-28 02:57:17,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-28 02:57:17,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-28 02:57:17,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-28 02:57:17,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-28 02:57:17,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-28 02:57:17,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-28 02:57:17,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-28 02:57:17,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-28 02:57:17,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-28 02:57:17,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-28 02:57:17,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-28 02:57:17,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-28 02:57:17,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-11-28 02:57:17,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-11-28 02:57:17,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-11-28 02:57:17,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-11-28 02:57:17,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-11-28 02:57:17,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-11-28 02:57:17,830 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2024-11-28 02:57:17,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2024-11-28 02:57:17,830 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-28 02:57:17,830 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-28 02:57:17,830 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-28 02:57:17,831 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-28 02:57:17,831 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-28 02:57:17,831 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-28 02:57:17,831 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-28 02:57:17,831 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-28 02:57:17,831 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-28 02:57:17,831 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-28 02:57:17,831 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-28 02:57:17,831 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-28 02:57:17,831 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-28 02:57:17,832 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-28 02:57:17,832 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-28 02:57:17,832 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-28 02:57:17,832 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-11-28 02:57:17,832 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-11-28 02:57:17,832 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-11-28 02:57:17,832 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_hdlc [2024-11-28 02:57:17,832 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_hdlc [2024-11-28 02:57:17,832 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-11-28 02:57:17,832 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-11-28 02:57:17,832 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-11-28 02:57:17,833 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-11-28 02:57:17,833 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-11-28 02:57:17,833 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-11-28 02:57:17,833 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-11-28 02:57:17,833 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-11-28 02:57:17,833 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2024-11-28 02:57:17,833 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2024-11-28 02:57:17,833 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2024-11-28 02:57:17,833 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#11 [2024-11-28 02:57:17,833 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#12 [2024-11-28 02:57:17,833 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#13 [2024-11-28 02:57:17,833 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#14 [2024-11-28 02:57:17,833 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#15 [2024-11-28 02:57:17,833 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#16 [2024-11-28 02:57:17,833 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#17 [2024-11-28 02:57:17,833 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#18 [2024-11-28 02:57:17,833 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-11-28 02:57:17,834 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-11-28 02:57:17,834 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-11-28 02:57:17,834 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-11-28 02:57:17,834 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-11-28 02:57:17,834 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-11-28 02:57:17,834 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-11-28 02:57:17,834 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-11-28 02:57:17,834 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2024-11-28 02:57:17,834 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2024-11-28 02:57:17,834 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2024-11-28 02:57:17,834 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#11 [2024-11-28 02:57:17,834 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#12 [2024-11-28 02:57:17,834 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#13 [2024-11-28 02:57:17,834 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#14 [2024-11-28 02:57:17,834 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#15 [2024-11-28 02:57:17,834 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#16 [2024-11-28 02:57:17,834 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#17 [2024-11-28 02:57:17,834 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#18 [2024-11-28 02:57:17,834 INFO L130 BoogieDeclarations]: Found specification of procedure fst_issue_cmd [2024-11-28 02:57:17,835 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_issue_cmd [2024-11-28 02:57:17,835 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2024-11-28 02:57:17,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2024-11-28 02:57:17,835 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2024-11-28 02:57:17,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2024-11-28 02:57:17,836 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2024-11-28 02:57:17,836 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2024-11-28 02:57:17,836 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2024-11-28 02:57:17,836 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2024-11-28 02:57:17,836 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2024-11-28 02:57:17,836 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2024-11-28 02:57:17,836 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2024-11-28 02:57:17,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2024-11-28 02:57:17,836 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-28 02:57:17,836 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2024-11-28 02:57:17,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2024-11-28 02:57:17,836 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2024-11-28 02:57:17,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2024-11-28 02:57:17,836 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_card_lock_of_fst_card_info [2024-11-28 02:57:17,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_card_lock_of_fst_card_info [2024-11-28 02:57:17,836 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 02:57:17,836 INFO L130 BoogieDeclarations]: Found specification of procedure fst_cpureset [2024-11-28 02:57:17,836 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_cpureset [2024-11-28 02:57:17,836 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-11-28 02:57:17,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-11-28 02:57:17,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-28 02:57:17,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-28 02:57:17,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-28 02:57:17,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-28 02:57:17,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-28 02:57:17,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-28 02:57:17,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-28 02:57:17,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-28 02:57:17,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-28 02:57:17,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-28 02:57:17,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-28 02:57:17,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-28 02:57:17,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-28 02:57:17,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-28 02:57:17,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-11-28 02:57:17,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-11-28 02:57:17,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-11-28 02:57:17,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-11-28 02:57:17,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-11-28 02:57:17,837 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-11-28 02:57:17,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-11-28 02:57:17,837 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2024-11-28 02:57:17,837 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2024-11-28 02:57:17,837 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2024-11-28 02:57:17,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2024-11-28 02:57:17,838 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2024-11-28 02:57:17,838 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2024-11-28 02:57:17,838 INFO L130 BoogieDeclarations]: Found specification of procedure fst_q_work_item [2024-11-28 02:57:17,838 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_q_work_item [2024-11-28 02:57:17,838 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2024-11-28 02:57:17,838 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2024-11-28 02:57:17,838 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2024-11-28 02:57:17,838 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2024-11-28 02:57:17,838 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2024-11-28 02:57:17,838 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2024-11-28 02:57:17,838 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2024-11-28 02:57:17,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2024-11-28 02:57:17,838 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2024-11-28 02:57:17,838 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2024-11-28 02:57:17,838 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2024-11-28 02:57:17,838 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2024-11-28 02:57:17,838 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2024-11-28 02:57:17,838 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2024-11-28 02:57:17,838 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 02:57:17,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 02:57:17,838 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-28 02:57:17,839 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-28 02:57:17,839 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-28 02:57:17,839 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-28 02:57:17,839 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-28 02:57:17,839 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-28 02:57:17,839 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-28 02:57:17,839 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-11-28 02:57:17,839 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-11-28 02:57:17,839 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-11-28 02:57:17,839 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-11-28 02:57:17,839 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-11-28 02:57:17,839 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2024-11-28 02:57:17,839 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2024-11-28 02:57:17,839 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2024-11-28 02:57:17,839 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2024-11-28 02:57:17,839 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#16 [2024-11-28 02:57:17,839 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#17 [2024-11-28 02:57:17,839 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#18 [2024-11-28 02:57:17,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-28 02:57:17,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-28 02:57:17,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-28 02:57:17,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-28 02:57:17,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-28 02:57:17,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-28 02:57:17,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-28 02:57:17,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-28 02:57:17,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-28 02:57:17,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-28 02:57:17,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-28 02:57:17,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-28 02:57:17,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-28 02:57:17,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-11-28 02:57:17,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-11-28 02:57:17,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-11-28 02:57:17,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-11-28 02:57:17,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2024-11-28 02:57:17,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2024-11-28 02:57:17,840 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-28 02:57:17,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-28 02:57:17,844 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-11-28 02:57:17,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-11-28 02:57:17,844 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2024-11-28 02:57:17,844 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2024-11-28 02:57:17,844 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-28 02:57:17,844 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-28 02:57:17,844 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-28 02:57:17,844 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-11-28 02:57:17,844 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-11-28 02:57:17,844 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-11-28 02:57:17,844 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-11-28 02:57:17,844 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-11-28 02:57:17,844 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2024-11-28 02:57:17,844 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2024-11-28 02:57:17,844 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2024-11-28 02:57:17,844 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2024-11-28 02:57:17,844 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2024-11-28 02:57:17,844 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2024-11-28 02:57:17,844 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#14 [2024-11-28 02:57:17,845 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#15 [2024-11-28 02:57:17,845 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#16 [2024-11-28 02:57:17,845 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#17 [2024-11-28 02:57:17,845 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#18 [2024-11-28 02:57:17,845 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-28 02:57:17,845 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-28 02:57:17,845 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-28 02:57:17,845 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-11-28 02:57:17,845 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-11-28 02:57:17,845 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-11-28 02:57:17,845 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-11-28 02:57:17,845 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-11-28 02:57:17,845 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2024-11-28 02:57:17,845 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2024-11-28 02:57:17,845 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2024-11-28 02:57:17,845 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2024-11-28 02:57:17,845 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2024-11-28 02:57:17,845 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2024-11-28 02:57:17,845 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#14 [2024-11-28 02:57:17,845 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#15 [2024-11-28 02:57:17,845 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#16 [2024-11-28 02:57:17,845 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#17 [2024-11-28 02:57:17,845 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#18 [2024-11-28 02:57:17,845 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2024-11-28 02:57:17,845 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2024-11-28 02:57:17,845 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2024-11-28 02:57:17,845 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2024-11-28 02:57:17,846 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2024-11-28 02:57:17,846 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2024-11-28 02:57:17,846 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-28 02:57:17,846 INFO L130 BoogieDeclarations]: Found specification of procedure module_put [2024-11-28 02:57:17,846 INFO L138 BoogieDeclarations]: Found implementation of procedure module_put [2024-11-28 02:57:17,846 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-28 02:57:17,846 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-28 02:57:17,846 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-28 02:57:17,846 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-28 02:57:17,846 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-28 02:57:17,846 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-28 02:57:17,846 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-28 02:57:17,846 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-28 02:57:17,846 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-28 02:57:17,846 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-28 02:57:17,846 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-28 02:57:17,846 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-28 02:57:17,846 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-28 02:57:17,846 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-28 02:57:17,846 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-28 02:57:17,846 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-11-28 02:57:17,846 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-11-28 02:57:17,846 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-11-28 02:57:17,846 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-11-28 02:57:17,846 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2024-11-28 02:57:17,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2024-11-28 02:57:17,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-28 02:57:17,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-28 02:57:17,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-28 02:57:17,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-28 02:57:17,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-28 02:57:17,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-28 02:57:17,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-28 02:57:17,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-28 02:57:17,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-28 02:57:17,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-28 02:57:17,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-28 02:57:17,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-11-28 02:57:17,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-11-28 02:57:17,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-11-28 02:57:17,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-11-28 02:57:17,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-11-28 02:57:17,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-11-28 02:57:17,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2024-11-28 02:57:17,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2024-11-28 02:57:17,847 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2024-11-28 02:57:17,847 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2024-11-28 02:57:17,847 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-28 02:57:17,847 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-28 02:57:17,847 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2024-11-28 02:57:17,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2024-11-28 02:57:17,847 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2024-11-28 02:57:17,847 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2024-11-28 02:57:17,847 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2024-11-28 02:57:17,847 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2024-11-28 02:57:17,847 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2024-11-28 02:57:17,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2024-11-28 02:57:17,848 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2024-11-28 02:57:17,852 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2024-11-28 02:57:17,852 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2024-11-28 02:57:17,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2024-11-28 02:57:17,853 INFO L130 BoogieDeclarations]: Found specification of procedure farsync_type_trans [2024-11-28 02:57:17,853 INFO L138 BoogieDeclarations]: Found implementation of procedure farsync_type_trans [2024-11-28 02:57:17,853 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2024-11-28 02:57:17,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2024-11-28 02:57:17,853 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2024-11-28 02:57:17,853 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2024-11-28 02:57:17,854 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_fst_work_q_lock [2024-11-28 02:57:17,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_fst_work_q_lock [2024-11-28 02:57:17,854 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-28 02:57:17,854 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-28 02:57:17,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-28 02:57:17,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-28 02:57:17,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-28 02:57:17,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-28 02:57:17,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-28 02:57:17,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-28 02:57:17,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-28 02:57:17,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-28 02:57:17,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-28 02:57:17,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-28 02:57:17,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-28 02:57:17,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-28 02:57:17,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-28 02:57:17,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-28 02:57:17,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-28 02:57:17,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-28 02:57:17,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-11-28 02:57:17,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-11-28 02:57:17,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-11-28 02:57:17,855 INFO L130 BoogieDeclarations]: Found specification of procedure fst_disable_intr [2024-11-28 02:57:17,855 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_disable_intr [2024-11-28 02:57:17,855 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-28 02:57:17,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-28 02:57:17,855 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2024-11-28 02:57:17,855 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2024-11-28 02:57:17,855 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2024-11-28 02:57:17,855 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2024-11-28 02:57:17,855 INFO L130 BoogieDeclarations]: Found specification of procedure do_bottom_half_tx [2024-11-28 02:57:17,855 INFO L138 BoogieDeclarations]: Found implementation of procedure do_bottom_half_tx [2024-11-28 02:57:17,855 INFO L130 BoogieDeclarations]: Found specification of procedure fst_process_rx_status [2024-11-28 02:57:17,855 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_process_rx_status [2024-11-28 02:57:17,855 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2024-11-28 02:57:17,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2024-11-28 02:57:17,855 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2024-11-28 02:57:17,855 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2024-11-28 02:57:17,855 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_ioctl [2024-11-28 02:57:17,855 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlc_ioctl [2024-11-28 02:57:17,855 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2024-11-28 02:57:17,855 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2024-11-28 02:57:17,855 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2024-11-28 02:57:17,856 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2024-11-28 02:57:17,856 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2024-11-28 02:57:17,856 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2024-11-28 02:57:17,856 INFO L130 BoogieDeclarations]: Found specification of procedure fst_clear_intr [2024-11-28 02:57:17,856 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_clear_intr [2024-11-28 02:57:17,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 02:57:17,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-28 02:57:17,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-28 02:57:17,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-28 02:57:17,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-28 02:57:17,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-28 02:57:17,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-28 02:57:17,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-28 02:57:17,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-28 02:57:17,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-28 02:57:17,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-28 02:57:17,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-28 02:57:17,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-28 02:57:17,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-28 02:57:17,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-28 02:57:17,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-28 02:57:17,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-28 02:57:17,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-11-28 02:57:17,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-11-28 02:57:17,856 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2024-11-28 02:57:17,856 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2024-11-28 02:57:17,856 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2024-11-28 02:57:17,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2024-11-28 02:57:17,856 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2024-11-28 02:57:17,856 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2024-11-28 02:57:18,904 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 02:57:18,909 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 02:57:19,744 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-28 02:57:31,400 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2024-11-28 02:57:32,743 INFO L? ?]: Removed 2320 outVars from TransFormulas that were not future-live. [2024-11-28 02:57:32,743 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 02:57:32,813 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 02:57:32,817 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-28 02:57:32,817 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:57:32 BoogieIcfgContainer [2024-11-28 02:57:32,817 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 02:57:32,819 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 02:57:32,819 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 02:57:32,828 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 02:57:32,828 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:57:12" (1/3) ... [2024-11-28 02:57:32,829 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45a3bd76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:57:32, skipping insertion in model container [2024-11-28 02:57:32,829 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:16" (2/3) ... [2024-11-28 02:57:32,829 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45a3bd76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:57:32, skipping insertion in model container [2024-11-28 02:57:32,829 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:57:32" (3/3) ... [2024-11-28 02:57:32,830 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wan-farsync.cil.i [2024-11-28 02:57:32,846 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 02:57:32,849 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. [2024-11-28 02:57:32,984 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 02:57:32,999 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;@2409e56, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 02:57:33,000 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-11-28 02:57:33,012 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) [2024-11-28 02:57:33,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-28 02:57:33,034 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:57:33,035 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] [2024-11-28 02:57:33,036 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)] === [2024-11-28 02:57:33,041 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:57:33,042 INFO L85 PathProgramCache]: Analyzing trace with hash -1094857002, now seen corresponding path program 1 times [2024-11-28 02:57:33,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:57:33,050 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [211348696] [2024-11-28 02:57:33,051 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:57:33,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:57:37,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:57:38,201 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-11-28 02:57:38,201 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:57:38,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [211348696] [2024-11-28 02:57:38,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [211348696] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:57:38,203 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:57:38,204 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 02:57:38,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1331853279] [2024-11-28 02:57:38,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:57:38,210 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:57:38,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:57:38,234 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:57:38,235 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:57:38,242 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) [2024-11-28 02:57:42,315 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 02:57:42,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:57:42,993 INFO L93 Difference]: Finished difference Result 5694 states and 8188 transitions. [2024-11-28 02:57:42,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:57:42,997 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 [2024-11-28 02:57:42,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:57:43,052 INFO L225 Difference]: With dead ends: 5694 [2024-11-28 02:57:43,053 INFO L226 Difference]: Without dead ends: 3754 [2024-11-28 02:57:43,074 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 [2024-11-28 02:57:43,078 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, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2024-11-28 02:57:43,081 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2617 Valid, 5435 Invalid, 34 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 26 Invalid, 1 Unknown, 0 Unchecked, 4.3s Time] [2024-11-28 02:57:43,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3754 states. [2024-11-28 02:57:43,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3754 to 3750. [2024-11-28 02:57:43,440 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) [2024-11-28 02:57:43,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3750 states to 3750 states and 5294 transitions. [2024-11-28 02:57:43,484 INFO L78 Accepts]: Start accepts. Automaton has 3750 states and 5294 transitions. Word has length 83 [2024-11-28 02:57:43,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:57:43,486 INFO L471 AbstractCegarLoop]: Abstraction has 3750 states and 5294 transitions. [2024-11-28 02:57:43,486 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) [2024-11-28 02:57:43,486 INFO L276 IsEmpty]: Start isEmpty. Operand 3750 states and 5294 transitions. [2024-11-28 02:57:43,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-11-28 02:57:43,498 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:57:43,498 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] [2024-11-28 02:57:43,498 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 02:57:43,499 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)] === [2024-11-28 02:57:43,500 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:57:43,500 INFO L85 PathProgramCache]: Analyzing trace with hash -812948344, now seen corresponding path program 1 times [2024-11-28 02:57:43,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:57:43,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1746042615] [2024-11-28 02:57:43,500 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:57:43,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:57:47,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:57:47,726 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-11-28 02:57:47,727 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:57:47,727 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1746042615] [2024-11-28 02:57:47,727 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1746042615] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:57:47,727 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:57:47,728 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 02:57:47,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180814019] [2024-11-28 02:57:47,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:57:47,729 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:57:47,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:57:47,730 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:57:47,730 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:57:47,730 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) [2024-11-28 02:57:51,776 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 [] [2024-11-28 02:57:52,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:57:52,802 INFO L93 Difference]: Finished difference Result 8277 states and 11718 transitions. [2024-11-28 02:57:52,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:57:52,803 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 [2024-11-28 02:57:52,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:57:52,834 INFO L225 Difference]: With dead ends: 8277 [2024-11-28 02:57:52,835 INFO L226 Difference]: Without dead ends: 4542 [2024-11-28 02:57:52,849 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 [2024-11-28 02:57:52,850 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 [2024-11-28 02:57:52,850 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] [2024-11-28 02:57:52,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4542 states. [2024-11-28 02:57:53,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4542 to 4516. [2024-11-28 02:57:53,099 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) [2024-11-28 02:57:53,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4516 states to 4516 states and 6377 transitions. [2024-11-28 02:57:53,146 INFO L78 Accepts]: Start accepts. Automaton has 4516 states and 6377 transitions. Word has length 93 [2024-11-28 02:57:53,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:57:53,146 INFO L471 AbstractCegarLoop]: Abstraction has 4516 states and 6377 transitions. [2024-11-28 02:57:53,147 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) [2024-11-28 02:57:53,147 INFO L276 IsEmpty]: Start isEmpty. Operand 4516 states and 6377 transitions. [2024-11-28 02:57:53,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-28 02:57:53,153 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:57:53,153 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] [2024-11-28 02:57:53,153 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 02:57:53,153 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)] === [2024-11-28 02:57:53,154 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:57:53,158 INFO L85 PathProgramCache]: Analyzing trace with hash -805724348, now seen corresponding path program 1 times [2024-11-28 02:57:53,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:57:53,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [118806907] [2024-11-28 02:57:53,158 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:57:53,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:57:56,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:57:56,416 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-11-28 02:57:56,417 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:57:56,417 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [118806907] [2024-11-28 02:57:56,417 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [118806907] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:57:56,417 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:57:56,417 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 02:57:56,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [8606562] [2024-11-28 02:57:56,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:57:56,419 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:57:56,419 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:57:56,420 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:57:56,420 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:57:56,420 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) [2024-11-28 02:58:00,472 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 02:58:01,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:58:01,551 INFO L93 Difference]: Finished difference Result 11824 states and 16631 transitions. [2024-11-28 02:58:01,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:58:01,552 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 [2024-11-28 02:58:01,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:58:01,611 INFO L225 Difference]: With dead ends: 11824 [2024-11-28 02:58:01,611 INFO L226 Difference]: Without dead ends: 7323 [2024-11-28 02:58:01,632 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 [2024-11-28 02:58:01,633 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 [2024-11-28 02:58:01,634 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] [2024-11-28 02:58:01,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7323 states. [2024-11-28 02:58:02,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7323 to 7293. [2024-11-28 02:58:02,128 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) [2024-11-28 02:58:02,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7293 states to 7293 states and 10196 transitions. [2024-11-28 02:58:02,200 INFO L78 Accepts]: Start accepts. Automaton has 7293 states and 10196 transitions. Word has length 91 [2024-11-28 02:58:02,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:58:02,200 INFO L471 AbstractCegarLoop]: Abstraction has 7293 states and 10196 transitions. [2024-11-28 02:58:02,201 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) [2024-11-28 02:58:02,201 INFO L276 IsEmpty]: Start isEmpty. Operand 7293 states and 10196 transitions. [2024-11-28 02:58:02,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-28 02:58:02,205 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:58:02,205 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] [2024-11-28 02:58:02,208 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 02:58:02,208 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)] === [2024-11-28 02:58:02,208 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:58:02,208 INFO L85 PathProgramCache]: Analyzing trace with hash -632152209, now seen corresponding path program 1 times [2024-11-28 02:58:02,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:58:02,209 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [965457594] [2024-11-28 02:58:02,209 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:58:02,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:58:06,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:58:06,992 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-11-28 02:58:06,992 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:58:06,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [965457594] [2024-11-28 02:58:06,992 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [965457594] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:58:06,992 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:58:06,992 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 02:58:06,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1471615719] [2024-11-28 02:58:06,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:58:06,992 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:58:06,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:58:06,993 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:58:06,993 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:58:06,993 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) [2024-11-28 02:58:11,038 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 [] [2024-11-28 02:58:11,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:58:11,898 INFO L93 Difference]: Finished difference Result 18099 states and 25170 transitions. [2024-11-28 02:58:11,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:58:11,898 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 [2024-11-28 02:58:11,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:58:11,983 INFO L225 Difference]: With dead ends: 18099 [2024-11-28 02:58:11,983 INFO L226 Difference]: Without dead ends: 10821 [2024-11-28 02:58:12,012 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 [2024-11-28 02:58:12,013 INFO L435 NwaCegarLoop]: 2734 mSDtfsCounter, 2027 mSDsluCounter, 2679 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s 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 [2024-11-28 02:58:12,013 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] [2024-11-28 02:58:12,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10821 states. [2024-11-28 02:58:12,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10821 to 10791. [2024-11-28 02:58:12,510 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) [2024-11-28 02:58:12,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10791 states to 10791 states and 14930 transitions. [2024-11-28 02:58:12,587 INFO L78 Accepts]: Start accepts. Automaton has 10791 states and 14930 transitions. Word has length 95 [2024-11-28 02:58:12,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:58:12,588 INFO L471 AbstractCegarLoop]: Abstraction has 10791 states and 14930 transitions. [2024-11-28 02:58:12,588 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) [2024-11-28 02:58:12,588 INFO L276 IsEmpty]: Start isEmpty. Operand 10791 states and 14930 transitions. [2024-11-28 02:58:12,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-28 02:58:12,593 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:58:12,593 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] [2024-11-28 02:58:12,593 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 02:58:12,594 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)] === [2024-11-28 02:58:12,594 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:58:12,594 INFO L85 PathProgramCache]: Analyzing trace with hash -1359684573, now seen corresponding path program 1 times [2024-11-28 02:58:12,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:58:12,594 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [460119690] [2024-11-28 02:58:12,594 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:58:12,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:58:16,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:58:16,613 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-11-28 02:58:16,613 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:58:16,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [460119690] [2024-11-28 02:58:16,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [460119690] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:58:16,613 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:58:16,613 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 02:58:16,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [643494099] [2024-11-28 02:58:16,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:58:16,614 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:58:16,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:58:16,614 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:58:16,614 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:58:16,615 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) [2024-11-28 02:58:20,664 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 02:58:21,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:58:21,813 INFO L93 Difference]: Finished difference Result 30977 states and 42829 transitions. [2024-11-28 02:58:21,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:58:21,814 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 [2024-11-28 02:58:21,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:58:21,923 INFO L225 Difference]: With dead ends: 30977 [2024-11-28 02:58:21,923 INFO L226 Difference]: Without dead ends: 20201 [2024-11-28 02:58:21,969 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 [2024-11-28 02:58:21,971 INFO L435 NwaCegarLoop]: 3083 mSDtfsCounter, 2592 mSDsluCounter, 2667 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 16 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s 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 [2024-11-28 02:58:21,972 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] [2024-11-28 02:58:21,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20201 states. [2024-11-28 02:58:22,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20201 to 20159. [2024-11-28 02:58:22,893 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) [2024-11-28 02:58:22,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20159 states to 20159 states and 27751 transitions. [2024-11-28 02:58:22,992 INFO L78 Accepts]: Start accepts. Automaton has 20159 states and 27751 transitions. Word has length 92 [2024-11-28 02:58:22,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:58:22,993 INFO L471 AbstractCegarLoop]: Abstraction has 20159 states and 27751 transitions. [2024-11-28 02:58:22,994 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) [2024-11-28 02:58:22,994 INFO L276 IsEmpty]: Start isEmpty. Operand 20159 states and 27751 transitions. [2024-11-28 02:58:22,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-28 02:58:22,997 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:58:22,997 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] [2024-11-28 02:58:22,997 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 02:58:22,998 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)] === [2024-11-28 02:58:22,998 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:58:22,998 INFO L85 PathProgramCache]: Analyzing trace with hash 559805647, now seen corresponding path program 1 times [2024-11-28 02:58:22,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:58:22,998 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1659581226] [2024-11-28 02:58:22,999 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:58:22,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:58:26,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:58:26,416 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-11-28 02:58:26,416 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:58:26,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1659581226] [2024-11-28 02:58:26,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1659581226] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:58:26,416 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:58:26,416 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 02:58:26,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843811030] [2024-11-28 02:58:26,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:58:26,417 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:58:26,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:58:26,418 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:58:26,418 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:58:26,418 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) [2024-11-28 02:58:30,465 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 02:58:31,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:58:31,671 INFO L93 Difference]: Finished difference Result 56163 states and 77215 transitions. [2024-11-28 02:58:31,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:58:31,671 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 [2024-11-28 02:58:31,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:58:31,947 INFO L225 Difference]: With dead ends: 56163 [2024-11-28 02:58:31,947 INFO L226 Difference]: Without dead ends: 36019 [2024-11-28 02:58:31,998 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 [2024-11-28 02:58:31,998 INFO L435 NwaCegarLoop]: 3545 mSDtfsCounter, 2441 mSDsluCounter, 2625 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s 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 [2024-11-28 02:58:32,000 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] [2024-11-28 02:58:32,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36019 states. [2024-11-28 02:58:33,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36019 to 35977. [2024-11-28 02:58:34,010 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) [2024-11-28 02:58:34,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35977 states to 35977 states and 49365 transitions. [2024-11-28 02:58:34,183 INFO L78 Accepts]: Start accepts. Automaton has 35977 states and 49365 transitions. Word has length 108 [2024-11-28 02:58:34,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:58:34,184 INFO L471 AbstractCegarLoop]: Abstraction has 35977 states and 49365 transitions. [2024-11-28 02:58:34,184 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) [2024-11-28 02:58:34,184 INFO L276 IsEmpty]: Start isEmpty. Operand 35977 states and 49365 transitions. [2024-11-28 02:58:34,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-28 02:58:34,186 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:58:34,186 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] [2024-11-28 02:58:34,186 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-28 02:58:34,187 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)] === [2024-11-28 02:58:34,189 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:58:34,189 INFO L85 PathProgramCache]: Analyzing trace with hash 1516383192, now seen corresponding path program 1 times [2024-11-28 02:58:34,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:58:34,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1503132983] [2024-11-28 02:58:34,190 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:58:34,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:58:37,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:58:37,472 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2024-11-28 02:58:37,472 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:58:37,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1503132983] [2024-11-28 02:58:37,473 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1503132983] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:58:37,473 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:58:37,473 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 02:58:37,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [364649318] [2024-11-28 02:58:37,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:58:37,474 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:58:37,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:58:37,475 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:58:37,475 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:58:37,475 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) [2024-11-28 02:58:38,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:58:38,502 INFO L93 Difference]: Finished difference Result 71926 states and 98723 transitions. [2024-11-28 02:58:38,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:58:38,503 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 [2024-11-28 02:58:38,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:58:38,687 INFO L225 Difference]: With dead ends: 71926 [2024-11-28 02:58:38,687 INFO L226 Difference]: Without dead ends: 36041 [2024-11-28 02:58:38,784 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 [2024-11-28 02:58:38,786 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 [2024-11-28 02:58:38,787 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] [2024-11-28 02:58:38,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36041 states. [2024-11-28 02:58:40,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36041 to 36009. [2024-11-28 02:58:40,700 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) [2024-11-28 02:58:40,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36009 states to 36009 states and 49397 transitions. [2024-11-28 02:58:40,901 INFO L78 Accepts]: Start accepts. Automaton has 36009 states and 49397 transitions. Word has length 150 [2024-11-28 02:58:40,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:58:40,902 INFO L471 AbstractCegarLoop]: Abstraction has 36009 states and 49397 transitions. [2024-11-28 02:58:40,902 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) [2024-11-28 02:58:40,902 INFO L276 IsEmpty]: Start isEmpty. Operand 36009 states and 49397 transitions. [2024-11-28 02:58:40,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-28 02:58:40,905 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:58:40,905 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] [2024-11-28 02:58:40,905 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-28 02:58:40,906 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)] === [2024-11-28 02:58:40,906 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:58:40,906 INFO L85 PathProgramCache]: Analyzing trace with hash 156924372, now seen corresponding path program 1 times [2024-11-28 02:58:40,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:58:40,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1965344650] [2024-11-28 02:58:40,906 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:58:40,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:58:44,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:58:44,782 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2024-11-28 02:58:44,782 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:58:44,782 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1965344650] [2024-11-28 02:58:44,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1965344650] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:58:44,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2137818918] [2024-11-28 02:58:44,783 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:58:44,783 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:58:44,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e244552f-0987-4cde-bece-cfd0732e83cf/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:58:44,788 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e244552f-0987-4cde-bece-cfd0732e83cf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:58:44,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e244552f-0987-4cde-bece-cfd0732e83cf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 02:58:48,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:58:48,892 INFO L256 TraceCheckSpWp]: Trace formula consists of 2706 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 02:58:48,901 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:58:49,236 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2024-11-28 02:58:49,239 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:58:49,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2137818918] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:58:49,240 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 02:58:49,240 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-11-28 02:58:49,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [278803714] [2024-11-28 02:58:49,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:58:49,240 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:58:49,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:58:49,241 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:58:49,241 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:58:49,241 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) [2024-11-28 02:58:50,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:58:50,598 INFO L93 Difference]: Finished difference Result 77763 states and 106775 transitions. [2024-11-28 02:58:50,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:58:50,598 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 [2024-11-28 02:58:50,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:58:50,799 INFO L225 Difference]: With dead ends: 77763 [2024-11-28 02:58:50,799 INFO L226 Difference]: Without dead ends: 41846 [2024-11-28 02:58:50,905 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:58:50,906 INFO L435 NwaCegarLoop]: 2841 mSDtfsCounter, 2655 mSDsluCounter, 2220 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 02:58:50,907 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2655 Valid, 5061 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 02:58:50,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41846 states. [2024-11-28 02:58:52,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41846 to 41823. [2024-11-28 02:58:52,728 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) [2024-11-28 02:58:52,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41823 states to 41823 states and 57385 transitions. [2024-11-28 02:58:52,910 INFO L78 Accepts]: Start accepts. Automaton has 41823 states and 57385 transitions. Word has length 152 [2024-11-28 02:58:52,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:58:52,910 INFO L471 AbstractCegarLoop]: Abstraction has 41823 states and 57385 transitions. [2024-11-28 02:58:52,910 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) [2024-11-28 02:58:52,911 INFO L276 IsEmpty]: Start isEmpty. Operand 41823 states and 57385 transitions. [2024-11-28 02:58:52,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-28 02:58:52,913 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:58:52,913 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] [2024-11-28 02:58:52,935 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e244552f-0987-4cde-bece-cfd0732e83cf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-28 02:58:53,114 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e244552f-0987-4cde-bece-cfd0732e83cf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:58:53,114 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)] === [2024-11-28 02:58:53,115 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:58:53,115 INFO L85 PathProgramCache]: Analyzing trace with hash 297472982, now seen corresponding path program 1 times [2024-11-28 02:58:53,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:58:53,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1499683384] [2024-11-28 02:58:53,116 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:58:53,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:58:56,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:58:56,974 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2024-11-28 02:58:56,975 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:58:56,975 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1499683384] [2024-11-28 02:58:56,975 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1499683384] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:58:56,975 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [36185370] [2024-11-28 02:58:56,975 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:58:56,975 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:58:56,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e244552f-0987-4cde-bece-cfd0732e83cf/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:58:56,979 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e244552f-0987-4cde-bece-cfd0732e83cf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:58:56,981 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e244552f-0987-4cde-bece-cfd0732e83cf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 02:59:01,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:59:01,882 INFO L256 TraceCheckSpWp]: Trace formula consists of 2707 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 02:59:01,891 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:59:02,005 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 76 proven. 1 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2024-11-28 02:59:02,006 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:59:02,988 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2024-11-28 02:59:02,988 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [36185370] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 02:59:02,988 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 02:59:02,989 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-11-28 02:59:02,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [160600252] [2024-11-28 02:59:02,989 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 02:59:02,990 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 02:59:02,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:59:02,990 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 02:59:02,990 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-28 02:59:02,992 INFO L87 Difference]: Start difference. First operand 41823 states and 57385 transitions. Second operand has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 7 states have internal predecessors, (86), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-28 02:59:04,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:59:04,229 INFO L93 Difference]: Finished difference Result 83602 states and 114739 transitions. [2024-11-28 02:59:04,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 02:59:04,229 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 7 states have internal predecessors, (86), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 152 [2024-11-28 02:59:04,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:59:04,489 INFO L225 Difference]: With dead ends: 83602 [2024-11-28 02:59:04,490 INFO L226 Difference]: Without dead ends: 41871 [2024-11-28 02:59:04,643 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 306 GetRequests, 301 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-28 02:59:04,645 INFO L435 NwaCegarLoop]: 2719 mSDtfsCounter, 2 mSDsluCounter, 2716 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 5435 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 02:59:04,646 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 5435 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 02:59:04,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41871 states. [2024-11-28 02:59:06,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41871 to 41871. [2024-11-28 02:59:06,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41871 states, 29357 states have (on average 1.2693735735940321) internal successors, (37265), 29763 states have internal predecessors, (37265), 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) [2024-11-28 02:59:06,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41871 states to 41871 states and 57433 transitions. [2024-11-28 02:59:06,528 INFO L78 Accepts]: Start accepts. Automaton has 41871 states and 57433 transitions. Word has length 152 [2024-11-28 02:59:06,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:59:06,529 INFO L471 AbstractCegarLoop]: Abstraction has 41871 states and 57433 transitions. [2024-11-28 02:59:06,529 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 7 states have internal predecessors, (86), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-28 02:59:06,529 INFO L276 IsEmpty]: Start isEmpty. Operand 41871 states and 57433 transitions. [2024-11-28 02:59:06,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-11-28 02:59:06,531 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:59:06,531 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 5, 5, 5, 5, 5, 5, 4, 4, 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] [2024-11-28 02:59:06,546 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e244552f-0987-4cde-bece-cfd0732e83cf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-28 02:59:06,732 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e244552f-0987-4cde-bece-cfd0732e83cf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:59:06,732 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-28 02:59:06,732 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:59:06,732 INFO L85 PathProgramCache]: Analyzing trace with hash -1993497654, now seen corresponding path program 2 times [2024-11-28 02:59:06,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:59:06,732 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1320436077] [2024-11-28 02:59:06,733 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 02:59:06,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:59:09,963 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-28 02:59:09,963 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 02:59:10,597 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 218 trivial. 0 not checked. [2024-11-28 02:59:10,597 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:59:10,597 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1320436077] [2024-11-28 02:59:10,597 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1320436077] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:59:10,597 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:59:10,597 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 02:59:10,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239275521] [2024-11-28 02:59:10,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:59:10,598 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 02:59:10,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:59:10,599 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 02:59:10,599 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:59:10,599 INFO L87 Difference]: Start difference. First operand 41871 states and 57433 transitions. Second operand has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-28 02:59:11,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:59:11,836 INFO L93 Difference]: Finished difference Result 41877 states and 57438 transitions. [2024-11-28 02:59:11,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 02:59:11,836 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 158 [2024-11-28 02:59:11,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:59:12,037 INFO L225 Difference]: With dead ends: 41877 [2024-11-28 02:59:12,037 INFO L226 Difference]: Without dead ends: 41875 [2024-11-28 02:59:12,067 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-28 02:59:12,068 INFO L435 NwaCegarLoop]: 2718 mSDtfsCounter, 2671 mSDsluCounter, 5422 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2672 SdHoareTripleChecker+Valid, 8140 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 02:59:12,068 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2672 Valid, 8140 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 02:59:12,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41875 states.