./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-wireless-airo.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3313032c-b971-45da-bfc3-c222036ee60f/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3313032c-b971-45da-bfc3-c222036ee60f/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3313032c-b971-45da-bfc3-c222036ee60f/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3313032c-b971-45da-bfc3-c222036ee60f/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-wireless-airo.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3313032c-b971-45da-bfc3-c222036ee60f/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3313032c-b971-45da-bfc3-c222036ee60f/bin/utaipan-verify-YMUCfTKeje --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash fcf1d3e7631dc0beccb722c41a5e234d7f369c05641d6de79b188a981352c9d6 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 05:08:26,879 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 05:08:26,980 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3313032c-b971-45da-bfc3-c222036ee60f/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-09 05:08:26,987 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 05:08:26,988 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 05:08:27,033 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 05:08:27,035 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 05:08:27,036 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 05:08:27,037 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 05:08:27,039 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 05:08:27,039 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 05:08:27,040 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 05:08:27,041 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 05:08:27,045 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 05:08:27,045 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 05:08:27,046 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 05:08:27,046 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 05:08:27,046 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 05:08:27,046 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 05:08:27,047 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 05:08:27,047 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 05:08:27,048 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 05:08:27,048 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 05:08:27,052 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 05:08:27,052 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 05:08:27,053 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 05:08:27,053 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 05:08:27,053 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 05:08:27,053 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 05:08:27,054 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 05:08:27,054 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 05:08:27,054 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 05:08:27,054 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 05:08:27,055 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 05:08:27,055 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 05:08:27,055 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:08:27,055 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 05:08:27,056 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 05:08:27,056 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 05:08:27,056 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 05:08:27,056 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 05:08:27,058 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 05:08:27,058 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 05:08:27,058 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 05:08:27,059 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3313032c-b971-45da-bfc3-c222036ee60f/bin/utaipan-verify-YMUCfTKeje/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3313032c-b971-45da-bfc3-c222036ee60f/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fcf1d3e7631dc0beccb722c41a5e234d7f369c05641d6de79b188a981352c9d6 [2024-11-09 05:08:27,378 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 05:08:27,409 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 05:08:27,412 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 05:08:27,413 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 05:08:27,413 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 05:08:27,415 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3313032c-b971-45da-bfc3-c222036ee60f/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-wireless-airo.cil.i Unable to find full path for "g++" [2024-11-09 05:08:29,395 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 05:08:30,336 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 05:08:30,337 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3313032c-b971-45da-bfc3-c222036ee60f/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-wireless-airo.cil.i [2024-11-09 05:08:30,444 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3313032c-b971-45da-bfc3-c222036ee60f/bin/utaipan-verify-YMUCfTKeje/data/4a6b34818/bb8ac4b3098e447dbfad0ff24e8bb108/FLAGe30c76ca9 [2024-11-09 05:08:30,493 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3313032c-b971-45da-bfc3-c222036ee60f/bin/utaipan-verify-YMUCfTKeje/data/4a6b34818/bb8ac4b3098e447dbfad0ff24e8bb108 [2024-11-09 05:08:30,496 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 05:08:30,498 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 05:08:30,500 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 05:08:30,500 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 05:08:30,507 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 05:08:30,508 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:08:30" (1/1) ... [2024-11-09 05:08:30,510 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@726ff09d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:08:30, skipping insertion in model container [2024-11-09 05:08:30,510 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:08:30" (1/1) ... [2024-11-09 05:08:30,838 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 05:08:38,080 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_3313032c-b971-45da-bfc3-c222036ee60f/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-wireless-airo.cil.i[620437,620450] [2024-11-09 05:08:38,084 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_3313032c-b971-45da-bfc3-c222036ee60f/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-wireless-airo.cil.i[620606,620619] [2024-11-09 05:08:38,085 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_3313032c-b971-45da-bfc3-c222036ee60f/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-wireless-airo.cil.i[620773,620786] [2024-11-09 05:08:38,086 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_3313032c-b971-45da-bfc3-c222036ee60f/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-wireless-airo.cil.i[620941,620954] [2024-11-09 05:08:38,121 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:08:38,177 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 05:08:38,329 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"); [6085] [2024-11-09 05:08:38,331 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)); [6092] [2024-11-09 05:08:38,332 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; btc %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [6099] [2024-11-09 05:08:38,332 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [6106] [2024-11-09 05:08:38,335 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [6169] [2024-11-09 05:08:38,336 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [6172] [2024-11-09 05:08:38,336 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [6175] [2024-11-09 05:08:38,337 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [6178] [2024-11-09 05:08:38,339 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/7cdfae59d3ac602223400f61d8829e28/klever-core-work-dir/520b8de/linux-kernel-locking-spinlock/lkbce/arch/x86/include/asm/paravirt.h"), "i" (804), "i" (12UL)); [6219-6220] [2024-11-09 05:08:38,339 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"); [6225-6227] [2024-11-09 05:08:38,341 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "m" (__preempt_count)); [6294] [2024-11-09 05:08:38,342 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [6297] [2024-11-09 05:08:38,342 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [6300] [2024-11-09 05:08:38,343 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [6303] [2024-11-09 05:08:38,350 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [6464] [2024-11-09 05:08:38,351 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [6472] [2024-11-09 05:08:38,351 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("rep; outsb": "+S" (addr), "+c" (count): "d" (port)); [6479] [2024-11-09 05:08:38,352 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("rep; insb": "+D" (addr), "+c" (count): "d" (port)); [6486] [2024-11-09 05:08:38,352 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outw %w0, %w1": : "a" (value), "Nd" (port)); [6493] [2024-11-09 05:08:38,353 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inw %w1, %w0": "=a" (value): "Nd" (port)); [6501] [2024-11-09 05:08:38,353 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("rep; outsw": "+S" (addr), "+c" (count): "d" (port)); [6508] [2024-11-09 05:08:38,354 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("rep; insw": "+D" (addr), "+c" (count): "d" (port)); [6515] [2024-11-09 05:08:38,593 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %b0, %1\n": "+q" (__ret), "+m" (tmp___1->state): : "memory", "cc"); [10305-10306] [2024-11-09 05:08:38,593 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %w0, %1\n": "+r" (__ret), "+m" (tmp___2->state): : "memory", "cc"); [10312-10313] [2024-11-09 05:08:38,594 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0, %1\n": "+r" (__ret), "+m" (tmp___3->state): : "memory", "cc"); [10319-10320] [2024-11-09 05:08:38,594 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %q0, %1\n": "+r" (__ret), "+m" (tmp___4->state): : "memory", "cc"); [10326-10327] [2024-11-09 05:08:39,054 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_3313032c-b971-45da-bfc3-c222036ee60f/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-wireless-airo.cil.i[620437,620450] [2024-11-09 05:08:39,054 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_3313032c-b971-45da-bfc3-c222036ee60f/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-wireless-airo.cil.i[620606,620619] [2024-11-09 05:08:39,055 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_3313032c-b971-45da-bfc3-c222036ee60f/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-wireless-airo.cil.i[620773,620786] [2024-11-09 05:08:39,056 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_3313032c-b971-45da-bfc3-c222036ee60f/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-wireless-airo.cil.i[620941,620954] [2024-11-09 05:08:39,066 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:08:39,433 INFO L204 MainTranslator]: Completed translation [2024-11-09 05:08:39,434 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:08:39 WrapperNode [2024-11-09 05:08:39,434 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 05:08:39,435 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 05:08:39,436 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 05:08:39,436 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 05:08:39,443 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:08:39" (1/1) ... [2024-11-09 05:08:39,644 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:08:39" (1/1) ... [2024-11-09 05:08:40,205 INFO L138 Inliner]: procedures = 699, calls = 6985, calls flagged for inlining = 324, calls inlined = 305, statements flattened = 14402 [2024-11-09 05:08:40,206 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 05:08:40,207 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 05:08:40,207 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 05:08:40,207 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 05:08:40,220 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:08:39" (1/1) ... [2024-11-09 05:08:40,220 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:08:39" (1/1) ... [2024-11-09 05:08:40,347 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:08:39" (1/1) ... [2024-11-09 05:08:40,347 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:08:39" (1/1) ... [2024-11-09 05:08:40,687 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:08:39" (1/1) ... [2024-11-09 05:08:40,742 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:08:39" (1/1) ... [2024-11-09 05:08:40,800 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:08:39" (1/1) ... [2024-11-09 05:08:40,837 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:08:39" (1/1) ... [2024-11-09 05:08:40,937 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 05:08:40,939 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 05:08:40,940 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 05:08:40,940 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 05:08:40,941 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:08:39" (1/1) ... [2024-11-09 05:08:40,949 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:08:40,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3313032c-b971-45da-bfc3-c222036ee60f/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:08:40,981 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3313032c-b971-45da-bfc3-c222036ee60f/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 05:08:40,986 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3313032c-b971-45da-bfc3-c222036ee60f/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 05:08:41,020 INFO L130 BoogieDeclarations]: Found specification of procedure PC4500_writerid [2024-11-09 05:08:41,021 INFO L138 BoogieDeclarations]: Found implementation of procedure PC4500_writerid [2024-11-09 05:08:41,021 INFO L130 BoogieDeclarations]: Found specification of procedure reset_card [2024-11-09 05:08:41,022 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_card [2024-11-09 05:08:41,022 INFO L130 BoogieDeclarations]: Found specification of procedure readStatusRid [2024-11-09 05:08:41,022 INFO L138 BoogieDeclarations]: Found implementation of procedure readStatusRid [2024-11-09 05:08:41,022 INFO L130 BoogieDeclarations]: Found specification of procedure reset_airo_card [2024-11-09 05:08:41,023 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_airo_card [2024-11-09 05:08:41,023 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2024-11-09 05:08:41,023 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2024-11-09 05:08:41,023 INFO L130 BoogieDeclarations]: Found specification of procedure crypto_cipher_crt [2024-11-09 05:08:41,023 INFO L138 BoogieDeclarations]: Found implementation of procedure crypto_cipher_crt [2024-11-09 05:08:41,024 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-09 05:08:41,024 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-09 05:08:41,024 INFO L130 BoogieDeclarations]: Found specification of procedure wifi_setup [2024-11-09 05:08:41,024 INFO L138 BoogieDeclarations]: Found implementation of procedure wifi_setup [2024-11-09 05:08:41,024 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2024-11-09 05:08:41,025 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2024-11-09 05:08:41,025 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-09 05:08:41,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-09 05:08:41,025 INFO L130 BoogieDeclarations]: Found specification of procedure wireless_spy_update [2024-11-09 05:08:41,026 INFO L138 BoogieDeclarations]: Found implementation of procedure wireless_spy_update [2024-11-09 05:08:41,026 INFO L130 BoogieDeclarations]: Found specification of procedure age_mic_context [2024-11-09 05:08:41,026 INFO L138 BoogieDeclarations]: Found implementation of procedure age_mic_context [2024-11-09 05:08:41,026 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-11-09 05:08:41,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-11-09 05:08:41,027 INFO L130 BoogieDeclarations]: Found specification of procedure setup_card [2024-11-09 05:08:41,027 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_card [2024-11-09 05:08:41,027 INFO L130 BoogieDeclarations]: Found specification of procedure airo_networks_free [2024-11-09 05:08:41,028 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_networks_free [2024-11-09 05:08:41,028 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_should_stop [2024-11-09 05:08:41,029 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_should_stop [2024-11-09 05:08:41,029 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_toio [2024-11-09 05:08:41,029 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_toio [2024-11-09 05:08:41,030 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2024-11-09 05:08:41,030 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2024-11-09 05:08:41,030 INFO L130 BoogieDeclarations]: Found specification of procedure airo_close [2024-11-09 05:08:41,030 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_close [2024-11-09 05:08:41,030 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_62 [2024-11-09 05:08:41,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_62 [2024-11-09 05:08:41,031 INFO L130 BoogieDeclarations]: Found specification of procedure get_tx_error [2024-11-09 05:08:41,031 INFO L138 BoogieDeclarations]: Found implementation of procedure get_tx_error [2024-11-09 05:08:41,031 INFO L130 BoogieDeclarations]: Found specification of procedure sniffing_mode [2024-11-09 05:08:41,031 INFO L138 BoogieDeclarations]: Found implementation of procedure sniffing_mode [2024-11-09 05:08:41,031 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2024-11-09 05:08:41,032 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2024-11-09 05:08:41,032 INFO L130 BoogieDeclarations]: Found specification of procedure header_len [2024-11-09 05:08:41,032 INFO L138 BoogieDeclarations]: Found implementation of procedure header_len [2024-11-09 05:08:41,032 INFO L130 BoogieDeclarations]: Found specification of procedure ssleep [2024-11-09 05:08:41,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ssleep [2024-11-09 05:08:41,032 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2024-11-09 05:08:41,032 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2024-11-09 05:08:41,033 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2024-11-09 05:08:41,033 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2024-11-09 05:08:41,034 INFO L130 BoogieDeclarations]: Found specification of procedure readSsidRid [2024-11-09 05:08:41,034 INFO L138 BoogieDeclarations]: Found implementation of procedure readSsidRid [2024-11-09 05:08:41,034 INFO L130 BoogieDeclarations]: Found specification of procedure emmh32_final [2024-11-09 05:08:41,034 INFO L138 BoogieDeclarations]: Found implementation of procedure emmh32_final [2024-11-09 05:08:41,034 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2024-11-09 05:08:41,035 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2024-11-09 05:08:41,035 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2024-11-09 05:08:41,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2024-11-09 05:08:41,036 INFO L130 BoogieDeclarations]: Found specification of procedure remove_proc_entry [2024-11-09 05:08:41,036 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_proc_entry [2024-11-09 05:08:41,036 INFO L130 BoogieDeclarations]: Found specification of procedure down_trylock [2024-11-09 05:08:41,036 INFO L138 BoogieDeclarations]: Found implementation of procedure down_trylock [2024-11-09 05:08:41,037 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2024-11-09 05:08:41,037 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2024-11-09 05:08:41,037 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2024-11-09 05:08:41,037 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2024-11-09 05:08:41,143 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-11-09 05:08:41,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-11-09 05:08:41,143 INFO L130 BoogieDeclarations]: Found specification of procedure enable_MAC [2024-11-09 05:08:41,143 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_MAC [2024-11-09 05:08:41,144 INFO L130 BoogieDeclarations]: Found specification of procedure OUT4500 [2024-11-09 05:08:41,144 INFO L138 BoogieDeclarations]: Found implementation of procedure OUT4500 [2024-11-09 05:08:41,144 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 05:08:41,144 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2024-11-09 05:08:41,144 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2024-11-09 05:08:41,144 INFO L130 BoogieDeclarations]: Found specification of procedure mpi_send_packet [2024-11-09 05:08:41,144 INFO L138 BoogieDeclarations]: Found implementation of procedure mpi_send_packet [2024-11-09 05:08:41,144 INFO L130 BoogieDeclarations]: Found specification of procedure PDE_DATA [2024-11-09 05:08:41,144 INFO L138 BoogieDeclarations]: Found implementation of procedure PDE_DATA [2024-11-09 05:08:41,144 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2024-11-09 05:08:41,144 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2024-11-09 05:08:41,145 INFO L130 BoogieDeclarations]: Found specification of procedure airo_ioctl [2024-11-09 05:08:41,145 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_ioctl [2024-11-09 05:08:41,145 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2024-11-09 05:08:41,145 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2024-11-09 05:08:41,145 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2024-11-09 05:08:41,145 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2024-11-09 05:08:41,145 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2024-11-09 05:08:41,145 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2024-11-09 05:08:41,145 INFO L130 BoogieDeclarations]: Found specification of procedure airo_end_xmit11 [2024-11-09 05:08:41,145 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_end_xmit11 [2024-11-09 05:08:41,145 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2024-11-09 05:08:41,146 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2024-11-09 05:08:41,146 INFO L130 BoogieDeclarations]: Found specification of procedure airo_change_mtu [2024-11-09 05:08:41,146 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_change_mtu [2024-11-09 05:08:41,146 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2024-11-09 05:08:41,146 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2024-11-09 05:08:41,146 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2024-11-09 05:08:41,146 INFO L130 BoogieDeclarations]: Found specification of procedure disable_interrupts [2024-11-09 05:08:41,146 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_interrupts [2024-11-09 05:08:41,146 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2024-11-09 05:08:41,146 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2024-11-09 05:08:41,146 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2024-11-09 05:08:41,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2024-11-09 05:08:41,147 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2024-11-09 05:08:41,147 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2024-11-09 05:08:41,147 INFO L130 BoogieDeclarations]: Found specification of procedure down_interruptible [2024-11-09 05:08:41,152 INFO L138 BoogieDeclarations]: Found implementation of procedure down_interruptible [2024-11-09 05:08:41,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-09 05:08:41,153 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2024-11-09 05:08:41,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2024-11-09 05:08:41,157 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 05:08:41,157 INFO L130 BoogieDeclarations]: Found specification of procedure airo_pci_remove [2024-11-09 05:08:41,157 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_pci_remove [2024-11-09 05:08:41,157 INFO L130 BoogieDeclarations]: Found specification of procedure aux_setup [2024-11-09 05:08:41,158 INFO L138 BoogieDeclarations]: Found implementation of procedure aux_setup [2024-11-09 05:08:41,158 INFO L130 BoogieDeclarations]: Found specification of procedure writeConfigRid [2024-11-09 05:08:41,158 INFO L138 BoogieDeclarations]: Found implementation of procedure writeConfigRid [2024-11-09 05:08:41,158 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2024-11-09 05:08:41,158 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2024-11-09 05:08:41,158 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2024-11-09 05:08:41,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2024-11-09 05:08:41,158 INFO L130 BoogieDeclarations]: Found specification of procedure readCapabilityRid [2024-11-09 05:08:41,158 INFO L138 BoogieDeclarations]: Found implementation of procedure readCapabilityRid [2024-11-09 05:08:41,158 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2024-11-09 05:08:41,159 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2024-11-09 05:08:41,159 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2024-11-09 05:08:41,159 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2024-11-09 05:08:41,159 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2024-11-09 05:08:41,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2024-11-09 05:08:41,159 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_netdev_mqs [2024-11-09 05:08:41,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_netdev_mqs [2024-11-09 05:08:41,159 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2024-11-09 05:08:41,159 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2024-11-09 05:08:41,159 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2024-11-09 05:08:41,159 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2024-11-09 05:08:41,160 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2024-11-09 05:08:41,160 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2024-11-09 05:08:41,160 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2024-11-09 05:08:41,160 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2024-11-09 05:08:41,160 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2024-11-09 05:08:41,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2024-11-09 05:08:41,162 INFO L130 BoogieDeclarations]: Found specification of procedure writeWepKeyRid [2024-11-09 05:08:41,166 INFO L138 BoogieDeclarations]: Found implementation of procedure writeWepKeyRid [2024-11-09 05:08:41,166 INFO L130 BoogieDeclarations]: Found specification of procedure proc_create_data [2024-11-09 05:08:41,166 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_create_data [2024-11-09 05:08:41,166 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 05:08:41,166 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev [2024-11-09 05:08:41,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev [2024-11-09 05:08:41,166 INFO L130 BoogieDeclarations]: Found specification of procedure del_airo_dev [2024-11-09 05:08:41,167 INFO L138 BoogieDeclarations]: Found implementation of procedure del_airo_dev [2024-11-09 05:08:41,167 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 05:08:41,167 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-11-09 05:08:41,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-11-09 05:08:41,167 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2024-11-09 05:08:41,167 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2024-11-09 05:08:41,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-09 05:08:41,167 INFO L130 BoogieDeclarations]: Found specification of procedure writeSsidRid [2024-11-09 05:08:41,167 INFO L138 BoogieDeclarations]: Found implementation of procedure writeSsidRid [2024-11-09 05:08:41,167 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2024-11-09 05:08:41,167 INFO L138 BoogieDeclarations]: Found implementation of procedure __bad_percpu_size [2024-11-09 05:08:41,168 INFO L130 BoogieDeclarations]: Found specification of procedure MoveWindow [2024-11-09 05:08:41,168 INFO L138 BoogieDeclarations]: Found implementation of procedure MoveWindow [2024-11-09 05:08:41,168 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_stop [2024-11-09 05:08:41,168 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_stop [2024-11-09 05:08:41,168 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-11-09 05:08:41,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-11-09 05:08:41,168 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2024-11-09 05:08:41,168 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2024-11-09 05:08:41,168 INFO L130 BoogieDeclarations]: Found specification of procedure crypto_cipher_tfm [2024-11-09 05:08:41,168 INFO L138 BoogieDeclarations]: Found implementation of procedure crypto_cipher_tfm [2024-11-09 05:08:41,168 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2024-11-09 05:08:41,168 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2024-11-09 05:08:41,169 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2024-11-09 05:08:41,169 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2024-11-09 05:08:41,169 INFO L130 BoogieDeclarations]: Found specification of procedure proc_close [2024-11-09 05:08:41,169 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_close [2024-11-09 05:08:41,169 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2024-11-09 05:08:41,170 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2024-11-09 05:08:41,170 INFO L130 BoogieDeclarations]: Found specification of procedure airo_set_multicast_list [2024-11-09 05:08:41,170 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_set_multicast_list [2024-11-09 05:08:41,171 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2024-11-09 05:08:41,171 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2024-11-09 05:08:41,171 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2024-11-09 05:08:41,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2024-11-09 05:08:41,172 INFO L130 BoogieDeclarations]: Found specification of procedure set_wep_key [2024-11-09 05:08:41,172 INFO L138 BoogieDeclarations]: Found implementation of procedure set_wep_key [2024-11-09 05:08:41,172 INFO L130 BoogieDeclarations]: Found specification of procedure writeAPListRid [2024-11-09 05:08:41,172 INFO L138 BoogieDeclarations]: Found implementation of procedure writeAPListRid [2024-11-09 05:08:41,172 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2024-11-09 05:08:41,172 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2024-11-09 05:08:41,172 INFO L130 BoogieDeclarations]: Found specification of procedure freezing [2024-11-09 05:08:41,173 INFO L138 BoogieDeclarations]: Found implementation of procedure freezing [2024-11-09 05:08:41,173 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 05:08:41,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 05:08:41,173 INFO L130 BoogieDeclarations]: Found specification of procedure proc_stats_rid_open [2024-11-09 05:08:41,173 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_stats_rid_open [2024-11-09 05:08:41,173 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2024-11-09 05:08:41,173 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2024-11-09 05:08:41,174 INFO L130 BoogieDeclarations]: Found specification of procedure wireless_send_event [2024-11-09 05:08:41,174 INFO L138 BoogieDeclarations]: Found implementation of procedure wireless_send_event [2024-11-09 05:08:41,174 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2024-11-09 05:08:41,174 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2024-11-09 05:08:41,174 INFO L130 BoogieDeclarations]: Found specification of procedure insb [2024-11-09 05:08:41,175 INFO L138 BoogieDeclarations]: Found implementation of procedure insb [2024-11-09 05:08:41,175 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2024-11-09 05:08:41,175 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2024-11-09 05:08:41,176 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2024-11-09 05:08:41,176 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2024-11-09 05:08:41,176 INFO L130 BoogieDeclarations]: Found specification of procedure __kuid_val [2024-11-09 05:08:41,176 INFO L138 BoogieDeclarations]: Found implementation of procedure __kuid_val [2024-11-09 05:08:41,176 INFO L130 BoogieDeclarations]: Found specification of procedure IN4500 [2024-11-09 05:08:41,176 INFO L138 BoogieDeclarations]: Found implementation of procedure IN4500 [2024-11-09 05:08:41,176 INFO L130 BoogieDeclarations]: Found specification of procedure skb_dequeue [2024-11-09 05:08:41,176 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_dequeue [2024-11-09 05:08:41,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2024-11-09 05:08:41,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-11-09 05:08:41,177 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-09 05:08:41,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-09 05:08:41,177 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_aux_lock_of_airo_info [2024-11-09 05:08:41,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_aux_lock_of_airo_info [2024-11-09 05:08:41,177 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_fromio [2024-11-09 05:08:41,177 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_fromio [2024-11-09 05:08:41,177 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-11-09 05:08:41,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-11-09 05:08:41,177 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2024-11-09 05:08:41,177 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2024-11-09 05:08:41,178 INFO L130 BoogieDeclarations]: Found specification of procedure bap_write [2024-11-09 05:08:41,178 INFO L138 BoogieDeclarations]: Found implementation of procedure bap_write [2024-11-09 05:08:41,178 INFO L130 BoogieDeclarations]: Found specification of procedure _init_airo_card [2024-11-09 05:08:41,178 INFO L138 BoogieDeclarations]: Found implementation of procedure _init_airo_card [2024-11-09 05:08:41,178 INFO L130 BoogieDeclarations]: Found specification of procedure waitbusy [2024-11-09 05:08:41,178 INFO L138 BoogieDeclarations]: Found implementation of procedure waitbusy [2024-11-09 05:08:41,178 INFO L130 BoogieDeclarations]: Found specification of procedure decapsulate [2024-11-09 05:08:41,178 INFO L138 BoogieDeclarations]: Found implementation of procedure decapsulate [2024-11-09 05:08:41,178 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_netdev_mqs [2024-11-09 05:08:41,178 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_netdev_mqs [2024-11-09 05:08:41,178 INFO L130 BoogieDeclarations]: Found specification of procedure proc_mkdir_mode [2024-11-09 05:08:41,178 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_mkdir_mode [2024-11-09 05:08:41,179 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2024-11-09 05:08:41,179 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2024-11-09 05:08:41,179 INFO L130 BoogieDeclarations]: Found specification of procedure readBSSListRid [2024-11-09 05:08:41,179 INFO L138 BoogieDeclarations]: Found implementation of procedure readBSSListRid [2024-11-09 05:08:41,181 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2024-11-09 05:08:41,181 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2024-11-09 05:08:41,182 INFO L130 BoogieDeclarations]: Found specification of procedure insw [2024-11-09 05:08:41,182 INFO L138 BoogieDeclarations]: Found implementation of procedure insw [2024-11-09 05:08:41,182 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2024-11-09 05:08:41,183 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2024-11-09 05:08:41,183 INFO L130 BoogieDeclarations]: Found specification of procedure set_wep_tx_idx [2024-11-09 05:08:41,183 INFO L138 BoogieDeclarations]: Found implementation of procedure set_wep_tx_idx [2024-11-09 05:08:41,185 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2024-11-09 05:08:41,185 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2024-11-09 05:08:41,185 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2024-11-09 05:08:41,185 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2024-11-09 05:08:41,185 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 05:08:41,185 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2024-11-09 05:08:41,186 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2024-11-09 05:08:41,186 INFO L130 BoogieDeclarations]: Found specification of procedure proc_write [2024-11-09 05:08:41,186 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_write [2024-11-09 05:08:41,186 INFO L130 BoogieDeclarations]: Found specification of procedure up [2024-11-09 05:08:41,186 INFO L138 BoogieDeclarations]: Found implementation of procedure up [2024-11-09 05:08:41,186 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-09 05:08:41,186 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2024-11-09 05:08:41,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2024-11-09 05:08:41,186 INFO L130 BoogieDeclarations]: Found specification of procedure remove_proc_subtree [2024-11-09 05:08:41,186 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_proc_subtree [2024-11-09 05:08:41,186 INFO L130 BoogieDeclarations]: Found specification of procedure transmit_allocate [2024-11-09 05:08:41,186 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit_allocate [2024-11-09 05:08:41,187 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2024-11-09 05:08:41,187 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2024-11-09 05:08:41,187 INFO L130 BoogieDeclarations]: Found specification of procedure proc_read [2024-11-09 05:08:41,187 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_read [2024-11-09 05:08:41,187 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2024-11-09 05:08:41,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2024-11-09 05:08:41,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-09 05:08:41,189 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2024-11-09 05:08:41,189 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2024-11-09 05:08:41,189 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-09 05:08:41,190 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-09 05:08:41,190 INFO L130 BoogieDeclarations]: Found specification of procedure PC4500_accessrid [2024-11-09 05:08:41,190 INFO L138 BoogieDeclarations]: Found implementation of procedure PC4500_accessrid [2024-11-09 05:08:41,190 INFO L130 BoogieDeclarations]: Found specification of procedure airo_send_event [2024-11-09 05:08:41,190 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_send_event [2024-11-09 05:08:41,190 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2024-11-09 05:08:41,190 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2024-11-09 05:08:41,190 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2024-11-09 05:08:41,190 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2024-11-09 05:08:41,190 INFO L130 BoogieDeclarations]: Found specification of procedure airo_pci_resume [2024-11-09 05:08:41,190 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_pci_resume [2024-11-09 05:08:41,190 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2024-11-09 05:08:41,190 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2024-11-09 05:08:41,191 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2024-11-09 05:08:41,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2024-11-09 05:08:41,191 INFO L130 BoogieDeclarations]: Found specification of procedure hex_to_bin [2024-11-09 05:08:41,191 INFO L138 BoogieDeclarations]: Found implementation of procedure hex_to_bin [2024-11-09 05:08:41,191 INFO L130 BoogieDeclarations]: Found specification of procedure try_auto_wep [2024-11-09 05:08:41,191 INFO L138 BoogieDeclarations]: Found implementation of procedure try_auto_wep [2024-11-09 05:08:41,191 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2024-11-09 05:08:41,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2024-11-09 05:08:41,191 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2024-11-09 05:08:41,191 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2024-11-09 05:08:41,191 INFO L130 BoogieDeclarations]: Found specification of procedure bap_read [2024-11-09 05:08:41,191 INFO L138 BoogieDeclarations]: Found implementation of procedure bap_read [2024-11-09 05:08:41,192 INFO L130 BoogieDeclarations]: Found specification of procedure issuecommand [2024-11-09 05:08:41,192 INFO L138 BoogieDeclarations]: Found implementation of procedure issuecommand [2024-11-09 05:08:41,192 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2024-11-09 05:08:41,192 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2024-11-09 05:08:41,192 INFO L130 BoogieDeclarations]: Found specification of procedure bap_setup [2024-11-09 05:08:41,192 INFO L138 BoogieDeclarations]: Found implementation of procedure bap_setup [2024-11-09 05:08:41,192 INFO L130 BoogieDeclarations]: Found specification of procedure readAPListRid [2024-11-09 05:08:41,192 INFO L138 BoogieDeclarations]: Found implementation of procedure readAPListRid [2024-11-09 05:08:41,192 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2024-11-09 05:08:41,192 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2024-11-09 05:08:41,192 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2024-11-09 05:08:41,192 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2024-11-09 05:08:41,192 INFO L130 BoogieDeclarations]: Found specification of procedure airo_read_stats [2024-11-09 05:08:41,193 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_read_stats [2024-11-09 05:08:41,193 INFO L130 BoogieDeclarations]: Found specification of procedure airo_end_xmit [2024-11-09 05:08:41,193 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_end_xmit [2024-11-09 05:08:41,193 INFO L130 BoogieDeclarations]: Found specification of procedure readConfigRid [2024-11-09 05:08:41,193 INFO L138 BoogieDeclarations]: Found implementation of procedure readConfigRid [2024-11-09 05:08:41,196 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2024-11-09 05:08:41,196 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2024-11-09 05:08:41,196 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2024-11-09 05:08:41,196 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2024-11-09 05:08:41,196 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-09 05:08:41,196 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-09 05:08:41,197 INFO L130 BoogieDeclarations]: Found specification of procedure ether_setup [2024-11-09 05:08:41,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_setup [2024-11-09 05:08:41,197 INFO L130 BoogieDeclarations]: Found specification of procedure airo_open [2024-11-09 05:08:41,197 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_open [2024-11-09 05:08:41,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 05:08:41,197 INFO L130 BoogieDeclarations]: Found specification of procedure stop_airo_card [2024-11-09 05:08:41,197 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_airo_card [2024-11-09 05:08:41,197 INFO L130 BoogieDeclarations]: Found specification of procedure emmh32_update [2024-11-09 05:08:41,198 INFO L138 BoogieDeclarations]: Found implementation of procedure emmh32_update [2024-11-09 05:08:41,198 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2024-11-09 05:08:41,198 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2024-11-09 05:08:41,198 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2024-11-09 05:08:41,198 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2024-11-09 05:08:41,198 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-09 05:08:41,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-09 05:08:41,198 INFO L130 BoogieDeclarations]: Found specification of procedure readWepKeyRid [2024-11-09 05:08:41,199 INFO L138 BoogieDeclarations]: Found implementation of procedure readWepKeyRid [2024-11-09 05:08:41,199 INFO L130 BoogieDeclarations]: Found specification of procedure __kgid_val [2024-11-09 05:08:41,199 INFO L138 BoogieDeclarations]: Found implementation of procedure __kgid_val [2024-11-09 05:08:41,199 INFO L130 BoogieDeclarations]: Found specification of procedure mpi_unmap_card [2024-11-09 05:08:41,199 INFO L138 BoogieDeclarations]: Found implementation of procedure mpi_unmap_card [2024-11-09 05:08:41,199 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2024-11-09 05:08:41,199 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2024-11-09 05:08:41,200 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2024-11-09 05:08:41,200 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2024-11-09 05:08:41,200 INFO L130 BoogieDeclarations]: Found specification of procedure proc_set_user [2024-11-09 05:08:41,201 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_set_user [2024-11-09 05:08:41,201 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2024-11-09 05:08:41,201 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2024-11-09 05:08:41,201 INFO L130 BoogieDeclarations]: Found specification of procedure default_llseek [2024-11-09 05:08:41,201 INFO L138 BoogieDeclarations]: Found implementation of procedure default_llseek [2024-11-09 05:08:41,201 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2024-11-09 05:08:41,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2024-11-09 05:08:41,202 INFO L130 BoogieDeclarations]: Found specification of procedure airo_get_stats [2024-11-09 05:08:41,202 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_get_stats [2024-11-09 05:08:41,202 INFO L130 BoogieDeclarations]: Found specification of procedure PC4500_readrid [2024-11-09 05:08:41,202 INFO L138 BoogieDeclarations]: Found implementation of procedure PC4500_readrid [2024-11-09 05:08:41,202 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2024-11-09 05:08:41,202 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2024-11-09 05:08:41,202 INFO L130 BoogieDeclarations]: Found specification of procedure mpi_init_descriptors [2024-11-09 05:08:41,203 INFO L138 BoogieDeclarations]: Found implementation of procedure mpi_init_descriptors [2024-11-09 05:08:41,205 INFO L130 BoogieDeclarations]: Found specification of procedure get_dec_u16 [2024-11-09 05:08:41,206 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dec_u16 [2024-11-09 05:08:41,206 INFO L130 BoogieDeclarations]: Found specification of procedure enable_interrupts [2024-11-09 05:08:41,206 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_interrupts [2024-11-09 05:08:41,206 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2024-11-09 05:08:41,206 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2024-11-09 05:08:41,206 INFO L130 BoogieDeclarations]: Found specification of procedure airo_read_wireless_stats [2024-11-09 05:08:41,206 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_read_wireless_stats [2024-11-09 05:08:41,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 05:08:41,206 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2024-11-09 05:08:41,206 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2024-11-09 05:08:41,206 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2024-11-09 05:08:41,207 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2024-11-09 05:08:41,207 INFO L130 BoogieDeclarations]: Found specification of procedure airo_set_mac_address [2024-11-09 05:08:41,207 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_set_mac_address [2024-11-09 05:08:41,207 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2024-11-09 05:08:41,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2024-11-09 05:08:41,207 INFO L130 BoogieDeclarations]: Found specification of procedure emmh32_init [2024-11-09 05:08:41,207 INFO L138 BoogieDeclarations]: Found implementation of procedure emmh32_init [2024-11-09 05:08:41,208 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2024-11-09 05:08:41,208 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2024-11-09 05:08:41,211 INFO L130 BoogieDeclarations]: Found specification of procedure disable_MAC [2024-11-09 05:08:41,211 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_MAC [2024-11-09 05:08:41,211 INFO L130 BoogieDeclarations]: Found specification of procedure readStatsRid [2024-11-09 05:08:41,211 INFO L138 BoogieDeclarations]: Found implementation of procedure readStatsRid [2024-11-09 05:08:41,211 INFO L130 BoogieDeclarations]: Found specification of procedure encapsulate [2024-11-09 05:08:41,212 INFO L138 BoogieDeclarations]: Found implementation of procedure encapsulate [2024-11-09 05:08:41,212 INFO L130 BoogieDeclarations]: Found specification of procedure airo_set_promisc [2024-11-09 05:08:41,212 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_set_promisc [2024-11-09 05:08:42,961 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 05:08:42,966 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 05:08:43,452 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-09 05:09:29,179 INFO L? ?]: Removed 5459 outVars from TransFormulas that were not future-live. [2024-11-09 05:09:29,179 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 05:09:34,854 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 05:09:34,854 INFO L316 CfgBuilder]: Removed 16 assume(true) statements. [2024-11-09 05:09:34,855 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:09:34 BoogieIcfgContainer [2024-11-09 05:09:34,855 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 05:09:34,858 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 05:09:34,858 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 05:09:34,861 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 05:09:34,861 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 05:08:30" (1/3) ... [2024-11-09 05:09:34,862 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cabbddf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:09:34, skipping insertion in model container [2024-11-09 05:09:34,862 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:08:39" (2/3) ... [2024-11-09 05:09:34,863 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cabbddf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:09:34, skipping insertion in model container [2024-11-09 05:09:34,863 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:09:34" (3/3) ... [2024-11-09 05:09:34,865 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-kernel-locking-spinlock_drivers-net-wireless-airo.cil.i [2024-11-09 05:09:34,883 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 05:09:34,884 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2024-11-09 05:09:35,042 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 05:09:35,049 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=FINITE_AUTOMATA, 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;@2e6806ee, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 05:09:35,049 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-11-09 05:09:35,069 INFO L276 IsEmpty]: Start isEmpty. Operand has 3823 states, 2227 states have (on average 1.321059721598563) internal successors, (2942), 2392 states have internal predecessors, (2942), 1401 states have call successors, (1401), 193 states have call predecessors, (1401), 192 states have return successors, (1388), 1325 states have call predecessors, (1388), 1388 states have call successors, (1388) [2024-11-09 05:09:35,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-09 05:09:35,080 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:09:35,081 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:09:35,081 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)] === [2024-11-09 05:09:35,088 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:09:35,088 INFO L85 PathProgramCache]: Analyzing trace with hash -2109004266, now seen corresponding path program 1 times [2024-11-09 05:09:35,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:09:35,100 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1157167026] [2024-11-09 05:09:35,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:09:35,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:10:57,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:11:02,086 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-11-09 05:11:02,086 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:11:02,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1157167026] [2024-11-09 05:11:02,087 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1157167026] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:11:02,088 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:11:02,088 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 05:11:02,090 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1842261391] [2024-11-09 05:11:02,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:11:02,096 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 05:11:02,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:11:02,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 05:11:02,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 05:11:02,135 INFO L87 Difference]: Start difference. First operand has 3823 states, 2227 states have (on average 1.321059721598563) internal successors, (2942), 2392 states have internal predecessors, (2942), 1401 states have call successors, (1401), 193 states have call predecessors, (1401), 192 states have return successors, (1388), 1325 states have call predecessors, (1388), 1388 states have call successors, (1388) Second operand has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-09 05:11:04,439 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.28s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:11:07,080 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.64s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:11:09,304 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:11:12,907 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:11:14,917 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:11:16,928 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:11:19,354 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:11:28,090 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:11:30,140 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:11:32,214 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:11:42,093 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:11:43,233 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:11:45,245 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:11:48,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:11:48,418 INFO L93 Difference]: Finished difference Result 7608 states and 11651 transitions. [2024-11-09 05:11:48,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 05:11:48,421 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 68 [2024-11-09 05:11:48,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:11:48,484 INFO L225 Difference]: With dead ends: 7608 [2024-11-09 05:11:48,484 INFO L226 Difference]: Without dead ends: 3796 [2024-11-09 05:11:48,531 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-09 05:11:48,535 INFO L432 NwaCegarLoop]: 5148 mSDtfsCounter, 5684 mSDsluCounter, 10283 mSDsCounter, 0 mSdLazyCounter, 1648 mSolverCounterSat, 1 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 44.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5685 SdHoareTripleChecker+Valid, 15431 SdHoareTripleChecker+Invalid, 1660 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1648 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 45.5s IncrementalHoareTripleChecker+Time [2024-11-09 05:11:48,536 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5685 Valid, 15431 Invalid, 1660 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1648 Invalid, 11 Unknown, 0 Unchecked, 45.5s Time] [2024-11-09 05:11:48,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3796 states. [2024-11-09 05:11:48,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3796 to 3796. [2024-11-09 05:11:48,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3796 states, 2219 states have (on average 1.309598918431726) internal successors, (2906), 2373 states have internal predecessors, (2906), 1383 states have call successors, (1383), 192 states have call predecessors, (1383), 191 states have return successors, (1380), 1317 states have call predecessors, (1380), 1380 states have call successors, (1380) [2024-11-09 05:11:48,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3796 states to 3796 states and 5669 transitions. [2024-11-09 05:11:48,965 INFO L78 Accepts]: Start accepts. Automaton has 3796 states and 5669 transitions. Word has length 68 [2024-11-09 05:11:48,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:11:48,968 INFO L471 AbstractCegarLoop]: Abstraction has 3796 states and 5669 transitions. [2024-11-09 05:11:48,968 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-09 05:11:48,968 INFO L276 IsEmpty]: Start isEmpty. Operand 3796 states and 5669 transitions. [2024-11-09 05:11:48,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-09 05:11:48,973 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:11:48,975 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:11:48,976 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 05:11:48,976 INFO L396 AbstractCegarLoop]: === Iteration 2 === 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)] === [2024-11-09 05:11:48,976 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:11:48,977 INFO L85 PathProgramCache]: Analyzing trace with hash -1320785425, now seen corresponding path program 1 times [2024-11-09 05:11:48,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:11:48,977 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [881334378] [2024-11-09 05:11:48,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:11:48,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:13:22,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:13:25,481 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-11-09 05:13:25,482 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:13:25,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [881334378] [2024-11-09 05:13:25,484 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [881334378] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:13:25,486 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:13:25,486 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 05:13:25,487 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2120547828] [2024-11-09 05:13:25,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:13:25,498 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 05:13:25,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:13:25,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 05:13:25,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 05:13:25,499 INFO L87 Difference]: Start difference. First operand 3796 states and 5669 transitions. Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-09 05:13:27,851 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.34s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:13:30,573 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.72s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:13:32,792 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:13:36,728 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:13:38,731 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:13:40,737 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:13:52,952 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:13:54,960 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:13:56,986 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:14:06,844 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:14:08,850 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:14:09,994 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:14:13,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:14:13,306 INFO L93 Difference]: Finished difference Result 3802 states and 5674 transitions. [2024-11-09 05:14:13,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 05:14:13,308 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 73 [2024-11-09 05:14:13,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:14:13,349 INFO L225 Difference]: With dead ends: 3802 [2024-11-09 05:14:13,349 INFO L226 Difference]: Without dead ends: 3800 [2024-11-09 05:14:13,354 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-09 05:14:13,355 INFO L432 NwaCegarLoop]: 5120 mSDtfsCounter, 5649 mSDsluCounter, 10222 mSDsCounter, 0 mSdLazyCounter, 1649 mSolverCounterSat, 0 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 45.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5650 SdHoareTripleChecker+Valid, 15342 SdHoareTripleChecker+Invalid, 1660 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1649 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 47.2s IncrementalHoareTripleChecker+Time [2024-11-09 05:14:13,356 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5650 Valid, 15342 Invalid, 1660 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 1649 Invalid, 11 Unknown, 0 Unchecked, 47.2s Time] [2024-11-09 05:14:13,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3800 states. [2024-11-09 05:14:13,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3800 to 3800. [2024-11-09 05:14:13,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3800 states, 2222 states have (on average 1.3091809180918093) internal successors, (2909), 2376 states have internal predecessors, (2909), 1383 states have call successors, (1383), 193 states have call predecessors, (1383), 192 states have return successors, (1380), 1317 states have call predecessors, (1380), 1380 states have call successors, (1380) [2024-11-09 05:14:13,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3800 states to 3800 states and 5672 transitions. [2024-11-09 05:14:13,814 INFO L78 Accepts]: Start accepts. Automaton has 3800 states and 5672 transitions. Word has length 73 [2024-11-09 05:14:13,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:14:13,816 INFO L471 AbstractCegarLoop]: Abstraction has 3800 states and 5672 transitions. [2024-11-09 05:14:13,817 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-09 05:14:13,817 INFO L276 IsEmpty]: Start isEmpty. Operand 3800 states and 5672 transitions. [2024-11-09 05:14:13,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-09 05:14:13,825 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:14:13,825 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:14:13,826 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 05:14:13,826 INFO L396 AbstractCegarLoop]: === Iteration 3 === 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)] === [2024-11-09 05:14:13,830 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:14:13,831 INFO L85 PathProgramCache]: Analyzing trace with hash 1850064246, now seen corresponding path program 1 times [2024-11-09 05:14:13,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:14:13,832 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [972031951] [2024-11-09 05:14:13,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:14:13,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:15:47,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:15:51,044 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-09 05:15:51,044 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:15:51,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [972031951] [2024-11-09 05:15:51,045 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [972031951] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:15:51,045 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:15:51,045 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 05:15:51,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [299176895] [2024-11-09 05:15:51,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:15:51,046 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 05:15:51,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:15:51,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 05:15:51,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 05:15:51,048 INFO L87 Difference]: Start difference. First operand 3800 states and 5672 transitions. Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-09 05:15:53,384 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.33s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:15:55,981 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.59s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:15:58,565 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.58s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:16:02,249 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:16:04,252 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:16:06,260 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:16:17,487 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:16:19,514 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:16:21,545 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:16:31,553 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:16:33,116 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:16:35,130 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:16:38,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:16:38,082 INFO L93 Difference]: Finished difference Result 3806 states and 5677 transitions. [2024-11-09 05:16:38,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 05:16:38,083 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 78 [2024-11-09 05:16:38,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:16:38,124 INFO L225 Difference]: With dead ends: 3806 [2024-11-09 05:16:38,125 INFO L226 Difference]: Without dead ends: 3804 [2024-11-09 05:16:38,133 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-09 05:16:38,134 INFO L432 NwaCegarLoop]: 5120 mSDtfsCounter, 5648 mSDsluCounter, 10222 mSDsCounter, 0 mSdLazyCounter, 1649 mSolverCounterSat, 0 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 45.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5649 SdHoareTripleChecker+Valid, 15342 SdHoareTripleChecker+Invalid, 1660 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1649 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 46.6s IncrementalHoareTripleChecker+Time [2024-11-09 05:16:38,134 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5649 Valid, 15342 Invalid, 1660 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 1649 Invalid, 11 Unknown, 0 Unchecked, 46.6s Time] [2024-11-09 05:16:38,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3804 states. [2024-11-09 05:16:38,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3804 to 3804. [2024-11-09 05:16:38,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3804 states, 2225 states have (on average 1.3087640449438203) internal successors, (2912), 2379 states have internal predecessors, (2912), 1383 states have call successors, (1383), 194 states have call predecessors, (1383), 193 states have return successors, (1380), 1317 states have call predecessors, (1380), 1380 states have call successors, (1380) [2024-11-09 05:16:38,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3804 states to 3804 states and 5675 transitions. [2024-11-09 05:16:38,479 INFO L78 Accepts]: Start accepts. Automaton has 3804 states and 5675 transitions. Word has length 78 [2024-11-09 05:16:38,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:16:38,482 INFO L471 AbstractCegarLoop]: Abstraction has 3804 states and 5675 transitions. [2024-11-09 05:16:38,482 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-09 05:16:38,483 INFO L276 IsEmpty]: Start isEmpty. Operand 3804 states and 5675 transitions. [2024-11-09 05:16:38,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-09 05:16:38,489 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:16:38,489 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:16:38,490 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 05:16:38,490 INFO L396 AbstractCegarLoop]: === Iteration 4 === 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)] === [2024-11-09 05:16:38,490 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:16:38,490 INFO L85 PathProgramCache]: Analyzing trace with hash -2124571121, now seen corresponding path program 1 times [2024-11-09 05:16:38,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:16:38,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [403718962] [2024-11-09 05:16:38,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:16:38,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:18:05,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:18:08,521 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2024-11-09 05:18:08,521 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:18:08,522 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [403718962] [2024-11-09 05:18:08,522 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [403718962] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:18:08,522 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:18:08,522 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 05:18:08,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [127630381] [2024-11-09 05:18:08,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:18:08,523 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 05:18:08,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:18:08,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 05:18:08,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 05:18:08,525 INFO L87 Difference]: Start difference. First operand 3804 states and 5675 transitions. Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-09 05:18:10,747 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:18:13,185 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.44s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:18:15,746 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.56s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:18:19,404 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:18:21,415 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:18:23,421 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:18:35,603 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:18:37,662 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:18:39,710 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:18:49,138 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:18:51,145 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:18:52,926 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:18:55,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:18:55,752 INFO L93 Difference]: Finished difference Result 3849 states and 5716 transitions. [2024-11-09 05:18:55,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 05:18:55,753 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 83 [2024-11-09 05:18:55,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:18:55,786 INFO L225 Difference]: With dead ends: 3849 [2024-11-09 05:18:55,786 INFO L226 Difference]: Without dead ends: 3847 [2024-11-09 05:18:55,790 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-09 05:18:55,791 INFO L432 NwaCegarLoop]: 5118 mSDtfsCounter, 5565 mSDsluCounter, 10311 mSDsCounter, 0 mSdLazyCounter, 1682 mSolverCounterSat, 1 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 45.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5566 SdHoareTripleChecker+Valid, 15429 SdHoareTripleChecker+Invalid, 1694 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1682 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 46.7s IncrementalHoareTripleChecker+Time [2024-11-09 05:18:55,793 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5566 Valid, 15429 Invalid, 1694 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1682 Invalid, 11 Unknown, 0 Unchecked, 46.7s Time] [2024-11-09 05:18:55,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3847 states. [2024-11-09 05:18:56,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3847 to 3847. [2024-11-09 05:18:56,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3847 states, 2250 states have (on average 1.3062222222222222) internal successors, (2939), 2404 states have internal predecessors, (2939), 1389 states have call successors, (1389), 206 states have call predecessors, (1389), 205 states have return successors, (1386), 1323 states have call predecessors, (1386), 1386 states have call successors, (1386) [2024-11-09 05:18:56,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3847 states to 3847 states and 5714 transitions. [2024-11-09 05:18:56,090 INFO L78 Accepts]: Start accepts. Automaton has 3847 states and 5714 transitions. Word has length 83 [2024-11-09 05:18:56,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:18:56,091 INFO L471 AbstractCegarLoop]: Abstraction has 3847 states and 5714 transitions. [2024-11-09 05:18:56,092 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-09 05:18:56,092 INFO L276 IsEmpty]: Start isEmpty. Operand 3847 states and 5714 transitions. [2024-11-09 05:18:56,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-09 05:18:56,094 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:18:56,094 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:18:56,095 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 05:18:56,095 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-09 05:18:56,095 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:18:56,095 INFO L85 PathProgramCache]: Analyzing trace with hash 1212401620, now seen corresponding path program 1 times [2024-11-09 05:18:56,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:18:56,096 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [59231671] [2024-11-09 05:18:56,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:18:56,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:20:11,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:20:14,110 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-09 05:20:14,111 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:20:14,111 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [59231671] [2024-11-09 05:20:14,111 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [59231671] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:20:14,111 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:20:14,111 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 05:20:14,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1158127777] [2024-11-09 05:20:14,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:20:14,112 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 05:20:14,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:20:14,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 05:20:14,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 05:20:14,113 INFO L87 Difference]: Start difference. First operand 3847 states and 5714 transitions. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-09 05:20:16,329 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:20:18,668 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.34s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:20:20,933 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:20:24,491 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:20:26,503 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:20:28,513 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:20:39,352 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:20:41,418 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:20:43,476 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:20:52,736 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:20:55,679 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:20:58,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:20:58,328 INFO L93 Difference]: Finished difference Result 3853 states and 5719 transitions. [2024-11-09 05:20:58,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 05:20:58,328 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 103 [2024-11-09 05:20:58,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:20:58,358 INFO L225 Difference]: With dead ends: 3853 [2024-11-09 05:20:58,359 INFO L226 Difference]: Without dead ends: 3851 [2024-11-09 05:20:58,363 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-09 05:20:58,364 INFO L432 NwaCegarLoop]: 5120 mSDtfsCounter, 5637 mSDsluCounter, 10222 mSDsCounter, 0 mSdLazyCounter, 1649 mSolverCounterSat, 0 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 42.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5638 SdHoareTripleChecker+Valid, 15342 SdHoareTripleChecker+Invalid, 1660 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1649 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 43.7s IncrementalHoareTripleChecker+Time [2024-11-09 05:20:58,364 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5638 Valid, 15342 Invalid, 1660 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 1649 Invalid, 11 Unknown, 0 Unchecked, 43.7s Time] [2024-11-09 05:20:58,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3851 states. [2024-11-09 05:20:58,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3851 to 3851. [2024-11-09 05:20:58,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3851 states, 2253 states have (on average 1.305814469596094) internal successors, (2942), 2407 states have internal predecessors, (2942), 1389 states have call successors, (1389), 207 states have call predecessors, (1389), 206 states have return successors, (1386), 1323 states have call predecessors, (1386), 1386 states have call successors, (1386) [2024-11-09 05:20:58,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3851 states to 3851 states and 5717 transitions. [2024-11-09 05:20:58,751 INFO L78 Accepts]: Start accepts. Automaton has 3851 states and 5717 transitions. Word has length 103 [2024-11-09 05:20:58,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:20:58,752 INFO L471 AbstractCegarLoop]: Abstraction has 3851 states and 5717 transitions. [2024-11-09 05:20:58,752 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-09 05:20:58,752 INFO L276 IsEmpty]: Start isEmpty. Operand 3851 states and 5717 transitions. [2024-11-09 05:20:58,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-11-09 05:20:58,755 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:20:58,755 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:20:58,756 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 05:20:58,756 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-09 05:20:58,756 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:20:58,756 INFO L85 PathProgramCache]: Analyzing trace with hash -1811162577, now seen corresponding path program 1 times [2024-11-09 05:20:58,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:20:58,757 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1065195460] [2024-11-09 05:20:58,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:20:58,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:22:23,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:22:25,859 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2024-11-09 05:22:25,860 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:22:25,860 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1065195460] [2024-11-09 05:22:25,860 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1065195460] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:22:25,860 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:22:25,860 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 05:22:25,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1505283577] [2024-11-09 05:22:25,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:22:25,861 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 05:22:25,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:22:25,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 05:22:25,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 05:22:25,862 INFO L87 Difference]: Start difference. First operand 3851 states and 5717 transitions. Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 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) [2024-11-09 05:22:28,072 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:22:30,736 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.66s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:22:33,334 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.59s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:22:37,034 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:22:39,048 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:22:41,056 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []