./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sun-cassini.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04de61d6-3deb-4159-9347-af013d6bc0fa/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04de61d6-3deb-4159-9347-af013d6bc0fa/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_04de61d6-3deb-4159-9347-af013d6bc0fa/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04de61d6-3deb-4159-9347-af013d6bc0fa/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sun-cassini.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04de61d6-3deb-4159-9347-af013d6bc0fa/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_04de61d6-3deb-4159-9347-af013d6bc0fa/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 a04516b86ea8c14bf2e07b8b10c293c62330f594bca675c1b47ef03890516512 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 06:56:46,913 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 06:56:47,011 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04de61d6-3deb-4159-9347-af013d6bc0fa/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-09 06:56:47,016 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 06:56:47,019 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 06:56:47,064 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 06:56:47,065 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 06:56:47,066 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 06:56:47,067 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 06:56:47,068 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 06:56:47,069 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 06:56:47,070 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 06:56:47,070 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 06:56:47,073 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 06:56:47,074 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 06:56:47,074 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 06:56:47,075 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 06:56:47,075 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 06:56:47,075 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 06:56:47,076 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 06:56:47,076 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 06:56:47,080 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 06:56:47,081 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 06:56:47,082 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 06:56:47,082 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 06:56:47,083 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 06:56:47,083 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 06:56:47,083 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 06:56:47,084 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 06:56:47,085 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 06:56:47,086 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 06:56:47,086 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 06:56:47,087 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 06:56:47,088 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 06:56:47,089 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 06:56:47,089 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:56:47,089 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 06:56:47,090 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 06:56:47,090 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 06:56:47,090 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 06:56:47,091 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 06:56:47,091 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 06:56:47,092 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 06:56:47,092 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 06:56:47,093 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_04de61d6-3deb-4159-9347-af013d6bc0fa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04de61d6-3deb-4159-9347-af013d6bc0fa/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a04516b86ea8c14bf2e07b8b10c293c62330f594bca675c1b47ef03890516512 [2024-11-09 06:56:47,475 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 06:56:47,510 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 06:56:47,514 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 06:56:47,515 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 06:56:47,516 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 06:56:47,517 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04de61d6-3deb-4159-9347-af013d6bc0fa/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sun-cassini.cil.i Unable to find full path for "g++" [2024-11-09 06:56:49,629 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 06:56:50,488 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 06:56:50,489 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04de61d6-3deb-4159-9347-af013d6bc0fa/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sun-cassini.cil.i [2024-11-09 06:56:50,570 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04de61d6-3deb-4159-9347-af013d6bc0fa/bin/utaipan-verify-YMUCfTKeje/data/2e57a1cf5/e5e4542f177a4169ab6c9f8320adb907/FLAG853cd838a [2024-11-09 06:56:50,592 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04de61d6-3deb-4159-9347-af013d6bc0fa/bin/utaipan-verify-YMUCfTKeje/data/2e57a1cf5/e5e4542f177a4169ab6c9f8320adb907 [2024-11-09 06:56:50,596 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 06:56:50,599 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 06:56:50,600 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 06:56:50,602 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 06:56:50,609 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 06:56:50,610 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:56:50" (1/1) ... [2024-11-09 06:56:50,611 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bd7edf8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:56:50, skipping insertion in model container [2024-11-09 06:56:50,611 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:56:50" (1/1) ... [2024-11-09 06:56:50,916 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 06:56:56,984 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_04de61d6-3deb-4159-9347-af013d6bc0fa/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sun-cassini.cil.i[493165,493178] [2024-11-09 06:56:56,990 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_04de61d6-3deb-4159-9347-af013d6bc0fa/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sun-cassini.cil.i[493334,493347] [2024-11-09 06:56:56,990 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_04de61d6-3deb-4159-9347-af013d6bc0fa/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sun-cassini.cil.i[493501,493514] [2024-11-09 06:56:56,991 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_04de61d6-3deb-4159-9347-af013d6bc0fa/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sun-cassini.cil.i[493669,493682] [2024-11-09 06:56:57,027 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:56:57,128 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 06:56:57,289 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"); [5960] [2024-11-09 06:56:57,292 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)); [5967] [2024-11-09 06:56:57,292 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5974] [2024-11-09 06:56:57,295 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/home/debian/klever-work/native-scheduler-work-dir/scheduler/jobs/dfbfd2da522a1f5f4786ee57b863db44/klever-core-work-dir/f860c18/linux-kernel-locking-spinlock/lkbce/arch/x86/include/asm/paravirt.h"), "i" (804), "i" (12UL)); [6045-6046] [2024-11-09 06:56:57,295 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"); [6051-6053] [2024-11-09 06:56:57,296 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; subl %1,%0": "+m" (v->counter): "ir" (i)); [6080] [2024-11-09 06:56:57,297 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; incl %0": "+m" (v->counter)); [6087] [2024-11-09 06:56:57,297 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; decl %0": "+m" (v->counter)); [6094] [2024-11-09 06:56:57,299 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%P0": "+m" (__preempt_count)); [6172] [2024-11-09 06:56:57,300 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%P0": "+m" (__preempt_count)); [6175] [2024-11-09 06:56:57,300 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%P0": "+m" (__preempt_count): "qi" (val)); [6177] [2024-11-09 06:56:57,301 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%P0": "+m" (__preempt_count)); [6182] [2024-11-09 06:56:57,301 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%P0": "+m" (__preempt_count)); [6185] [2024-11-09 06:56:57,301 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%P0": "+m" (__preempt_count): "ri" (val)); [6187] [2024-11-09 06:56:57,302 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%P0": "+m" (__preempt_count)); [6192] [2024-11-09 06:56:57,302 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%P0": "+m" (__preempt_count)); [6195] [2024-11-09 06:56:57,303 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%P0": "+m" (__preempt_count): "ri" (val)); [6197] [2024-11-09 06:56:57,303 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%P0": "+m" (__preempt_count)); [6202] [2024-11-09 06:56:57,304 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%P0": "+m" (__preempt_count)); [6205] [2024-11-09 06:56:57,304 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%P0": "+m" (__preempt_count): "re" (val)); [6207] [2024-11-09 06:56:57,305 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%P0": "+m" (__preempt_count)); [6245] [2024-11-09 06:56:57,306 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%P0": "+m" (__preempt_count)); [6248] [2024-11-09 06:56:57,306 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%P0": "+m" (__preempt_count): "qi" (- val)); [6250] [2024-11-09 06:56:57,306 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%P0": "+m" (__preempt_count)); [6255] [2024-11-09 06:56:57,307 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%P0": "+m" (__preempt_count)); [6258] [2024-11-09 06:56:57,307 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%P0": "+m" (__preempt_count): "ri" (- val)); [6260] [2024-11-09 06:56:57,307 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%P0": "+m" (__preempt_count)); [6265] [2024-11-09 06:56:57,308 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%P0": "+m" (__preempt_count)); [6268] [2024-11-09 06:56:57,308 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%P0": "+m" (__preempt_count): "ri" (- val)); [6270] [2024-11-09 06:56:57,309 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%P0": "+m" (__preempt_count)); [6275] [2024-11-09 06:56:57,309 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%P0": "+m" (__preempt_count)); [6278] [2024-11-09 06:56:57,309 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%P0": "+m" (__preempt_count): "re" (- val)); [6280] [2024-11-09 06:56:57,316 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movb %1,%0": "=q" (ret): "m" (*((unsigned char volatile *)addr)): "memory"); [6459] [2024-11-09 06:56:57,316 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [6467] [2024-11-09 06:56:57,317 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [6474] [2024-11-09 06:56:57,320 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6537] [2024-11-09 06:56:57,323 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 *)"include/linux/mm.h"), "i" (488), "i" (12UL)); [6594-6595] [2024-11-09 06:56:57,327 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ (" addl %1,%0\n adcl $0xffff,%0": "=r" (sum): "r" (sum << 16), "0" (sum & 4294901760U)); [6640] [2024-11-09 06:56:57,332 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 *)"include/asm-generic/dma-mapping-common.h"), "i" (79), "i" (12UL)); [6710-6711] [2024-11-09 06:56:57,334 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 *)"include/asm-generic/dma-mapping-common.h"), "i" (91), "i" (12UL)); [6739-6740] [2024-11-09 06:56:57,335 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 *)"include/asm-generic/dma-mapping-common.h"), "i" (103), "i" (12UL)); [6776-6777] [2024-11-09 06:56:57,337 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 *)"include/asm-generic/dma-mapping-common.h"), "i" (115), "i" (12UL)); [6813-6814] [2024-11-09 06:56:57,425 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7639] [2024-11-09 06:56:57,425 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7648] [2024-11-09 06:56:57,754 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 *)"drivers/net/ethernet/sun/cassini.c"), "i" (4758), "i" (12UL)); [13481-13482] [2024-11-09 06:56:57,884 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_04de61d6-3deb-4159-9347-af013d6bc0fa/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sun-cassini.cil.i[493165,493178] [2024-11-09 06:56:57,885 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_04de61d6-3deb-4159-9347-af013d6bc0fa/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sun-cassini.cil.i[493334,493347] [2024-11-09 06:56:57,886 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_04de61d6-3deb-4159-9347-af013d6bc0fa/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sun-cassini.cil.i[493501,493514] [2024-11-09 06:56:57,887 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_04de61d6-3deb-4159-9347-af013d6bc0fa/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sun-cassini.cil.i[493669,493682] [2024-11-09 06:56:57,901 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:56:58,349 INFO L204 MainTranslator]: Completed translation [2024-11-09 06:56:58,350 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:56:58 WrapperNode [2024-11-09 06:56:58,351 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 06:56:58,352 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 06:56:58,352 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 06:56:58,352 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 06:56:58,361 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:56:58" (1/1) ... [2024-11-09 06:56:58,537 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:56:58" (1/1) ... [2024-11-09 06:56:58,970 INFO L138 Inliner]: procedures = 687, calls = 4669, calls flagged for inlining = 344, calls inlined = 321, statements flattened = 13323 [2024-11-09 06:56:58,971 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 06:56:58,971 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 06:56:58,972 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 06:56:58,972 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 06:56:58,984 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:56:58" (1/1) ... [2024-11-09 06:56:58,985 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:56:58" (1/1) ... [2024-11-09 06:56:59,066 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:56:58" (1/1) ... [2024-11-09 06:56:59,066 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:56:58" (1/1) ... [2024-11-09 06:56:59,471 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:56:58" (1/1) ... [2024-11-09 06:56:59,523 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:56:58" (1/1) ... [2024-11-09 06:56:59,595 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:56:58" (1/1) ... [2024-11-09 06:56:59,623 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:56:58" (1/1) ... [2024-11-09 06:56:59,724 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 06:56:59,726 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 06:56:59,726 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 06:56:59,726 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 06:56:59,727 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:56:58" (1/1) ... [2024-11-09 06:56:59,734 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:56:59,750 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04de61d6-3deb-4159-9347-af013d6bc0fa/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:56:59,771 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04de61d6-3deb-4159-9347-af013d6bc0fa/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 06:56:59,778 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04de61d6-3deb-4159-9347-af013d6bc0fa/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 06:56:59,807 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2024-11-09 06:56:59,807 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2024-11-09 06:56:59,912 INFO L130 BoogieDeclarations]: Found specification of procedure cas_phy_read [2024-11-09 06:56:59,912 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_phy_read [2024-11-09 06:56:59,912 INFO L130 BoogieDeclarations]: Found specification of procedure cas_pcs_link_check [2024-11-09 06:56:59,912 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_pcs_link_check [2024-11-09 06:56:59,912 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2024-11-09 06:56:59,912 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2024-11-09 06:56:59,912 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-09 06:56:59,913 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-09 06:56:59,913 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2024-11-09 06:56:59,913 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2024-11-09 06:56:59,913 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2024-11-09 06:56:59,913 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2024-11-09 06:56:59,913 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-09 06:56:59,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-09 06:56:59,913 INFO L130 BoogieDeclarations]: Found specification of procedure cas_mii_link_check [2024-11-09 06:56:59,913 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_mii_link_check [2024-11-09 06:56:59,914 INFO L130 BoogieDeclarations]: Found specification of procedure cas_calc_tabort [2024-11-09 06:56:59,914 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_calc_tabort [2024-11-09 06:56:59,914 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2024-11-09 06:56:59,914 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2024-11-09 06:56:59,914 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_cpu [2024-11-09 06:56:59,914 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_cpu [2024-11-09 06:56:59,914 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-11-09 06:56:59,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-11-09 06:56:59,914 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2024-11-09 06:56:59,915 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2024-11-09 06:56:59,915 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2024-11-09 06:56:59,915 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2024-11-09 06:56:59,915 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2024-11-09 06:56:59,915 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2024-11-09 06:56:59,915 INFO L130 BoogieDeclarations]: Found specification of procedure cas_lock_tx [2024-11-09 06:56:59,915 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_lock_tx [2024-11-09 06:56:59,915 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2024-11-09 06:56:59,915 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2024-11-09 06:56:59,915 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2024-11-09 06:56:59,924 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2024-11-09 06:56:59,924 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2024-11-09 06:56:59,924 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2024-11-09 06:56:59,924 INFO L130 BoogieDeclarations]: Found specification of procedure cas_disable_irq [2024-11-09 06:56:59,924 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_disable_irq [2024-11-09 06:56:59,924 INFO L130 BoogieDeclarations]: Found specification of procedure cas_free_rxds [2024-11-09 06:56:59,924 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_free_rxds [2024-11-09 06:56:59,925 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_page [2024-11-09 06:56:59,925 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_page [2024-11-09 06:56:59,925 INFO L130 BoogieDeclarations]: Found specification of procedure cas_open [2024-11-09 06:56:59,925 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_open [2024-11-09 06:56:59,925 INFO L130 BoogieDeclarations]: Found specification of procedure cas_interrupt [2024-11-09 06:56:59,925 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_interrupt [2024-11-09 06:56:59,925 INFO L130 BoogieDeclarations]: Found specification of procedure cas_tx_tiny_free [2024-11-09 06:56:59,925 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_tx_tiny_free [2024-11-09 06:56:59,925 INFO L130 BoogieDeclarations]: Found specification of procedure PageTail [2024-11-09 06:56:59,926 INFO L138 BoogieDeclarations]: Found implementation of procedure PageTail [2024-11-09 06:56:59,926 INFO L130 BoogieDeclarations]: Found specification of procedure tx_tiny_map [2024-11-09 06:56:59,926 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_tiny_map [2024-11-09 06:56:59,926 INFO L130 BoogieDeclarations]: Found specification of procedure cas_phy_init [2024-11-09 06:56:59,926 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_phy_init [2024-11-09 06:56:59,926 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages [2024-11-09 06:56:59,926 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages [2024-11-09 06:56:59,926 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size_set [2024-11-09 06:56:59,930 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size_set [2024-11-09 06:56:59,931 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2024-11-09 06:56:59,931 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2024-11-09 06:56:59,931 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2024-11-09 06:56:59,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2024-11-09 06:56:59,931 INFO L130 BoogieDeclarations]: Found specification of procedure cas_enable_irq [2024-11-09 06:56:59,931 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_enable_irq [2024-11-09 06:56:59,931 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2024-11-09 06:56:59,932 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2024-11-09 06:56:59,932 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2024-11-09 06:56:59,932 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2024-11-09 06:56:59,932 INFO L130 BoogieDeclarations]: Found specification of procedure cas_page_dequeue [2024-11-09 06:56:59,932 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_page_dequeue [2024-11-09 06:56:59,932 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2024-11-09 06:56:59,932 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2024-11-09 06:56:59,932 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2024-11-09 06:56:59,932 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2024-11-09 06:56:59,933 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-11-09 06:56:59,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-11-09 06:56:59,933 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-11-09 06:56:59,933 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-11-09 06:56:59,933 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2024-11-09 06:56:59,933 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2024-11-09 06:56:59,933 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 06:56:59,933 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_108 [2024-11-09 06:56:59,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_108 [2024-11-09 06:56:59,937 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_word [2024-11-09 06:56:59,938 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_word [2024-11-09 06:56:59,938 INFO L130 BoogieDeclarations]: Found specification of procedure cas_set_multicast [2024-11-09 06:56:59,938 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_set_multicast [2024-11-09 06:56:59,938 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2024-11-09 06:56:59,938 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2024-11-09 06:56:59,938 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2024-11-09 06:56:59,939 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2024-11-09 06:56:59,939 INFO L130 BoogieDeclarations]: Found specification of procedure cas_spare_free [2024-11-09 06:56:59,939 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_spare_free [2024-11-09 06:56:59,939 INFO L130 BoogieDeclarations]: Found specification of procedure cas_tx_timeout [2024-11-09 06:56:59,939 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_tx_timeout [2024-11-09 06:56:59,939 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2024-11-09 06:56:59,939 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2024-11-09 06:56:59,939 INFO L130 BoogieDeclarations]: Found specification of procedure cas_read_pcs_link_mode [2024-11-09 06:56:59,939 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_read_pcs_link_mode [2024-11-09 06:56:59,940 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2024-11-09 06:56:59,940 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2024-11-09 06:56:59,940 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2024-11-09 06:56:59,940 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2024-11-09 06:56:59,940 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2024-11-09 06:56:59,940 INFO L130 BoogieDeclarations]: Found specification of procedure cas_close [2024-11-09 06:56:59,940 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_close [2024-11-09 06:56:59,941 INFO L130 BoogieDeclarations]: Found specification of procedure cas_page_swap [2024-11-09 06:56:59,941 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_page_swap [2024-11-09 06:56:59,944 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2024-11-09 06:56:59,944 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2024-11-09 06:56:59,945 INFO L130 BoogieDeclarations]: Found specification of procedure cas_netpoll [2024-11-09 06:56:59,945 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_netpoll [2024-11-09 06:56:59,945 INFO L130 BoogieDeclarations]: Found specification of procedure cas_hard_reset [2024-11-09 06:56:59,945 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_hard_reset [2024-11-09 06:56:59,945 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2024-11-09 06:56:59,946 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2024-11-09 06:56:59,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-09 06:56:59,946 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2024-11-09 06:56:59,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2024-11-09 06:56:59,946 INFO L130 BoogieDeclarations]: Found specification of procedure cas_rxc_init [2024-11-09 06:56:59,946 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_rxc_init [2024-11-09 06:56:59,946 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 06:56:59,947 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2024-11-09 06:56:59,947 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2024-11-09 06:56:59,947 INFO L130 BoogieDeclarations]: Found specification of procedure cas_clear_mac_err [2024-11-09 06:56:59,947 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_clear_mac_err [2024-11-09 06:56:59,947 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2024-11-09 06:56:59,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2024-11-09 06:56:59,948 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2024-11-09 06:56:59,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2024-11-09 06:56:59,948 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2024-11-09 06:56:59,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2024-11-09 06:56:59,948 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2024-11-09 06:56:59,948 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2024-11-09 06:56:59,949 INFO L130 BoogieDeclarations]: Found specification of procedure cas_remove_one [2024-11-09 06:56:59,949 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_remove_one [2024-11-09 06:56:59,949 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_NOT_ARG_SIGN [2024-11-09 06:56:59,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_NOT_ARG_SIGN [2024-11-09 06:56:59,949 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2024-11-09 06:56:59,949 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2024-11-09 06:56:59,950 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2024-11-09 06:56:59,950 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2024-11-09 06:56:59,950 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2024-11-09 06:56:59,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2024-11-09 06:56:59,950 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2024-11-09 06:56:59,950 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2024-11-09 06:56:59,950 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 06:56:59,951 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2024-11-09 06:56:59,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2024-11-09 06:56:59,951 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2024-11-09 06:56:59,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2024-11-09 06:56:59,951 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2024-11-09 06:56:59,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2024-11-09 06:56:59,952 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 06:56:59,952 INFO L130 BoogieDeclarations]: Found specification of procedure list_splice_init [2024-11-09 06:56:59,952 INFO L138 BoogieDeclarations]: Found implementation of procedure list_splice_init [2024-11-09 06:56:59,952 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-11-09 06:56:59,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-11-09 06:56:59,952 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2024-11-09 06:56:59,952 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2024-11-09 06:56:59,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-09 06:56:59,953 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2024-11-09 06:56:59,953 INFO L138 BoogieDeclarations]: Found implementation of procedure __bad_percpu_size [2024-11-09 06:56:59,953 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-11-09 06:56:59,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-11-09 06:56:59,953 INFO L130 BoogieDeclarations]: Found specification of procedure cas_set_link_modes [2024-11-09 06:56:59,953 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_set_link_modes [2024-11-09 06:56:59,954 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_printk [2024-11-09 06:56:59,954 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_printk [2024-11-09 06:56:59,954 INFO L130 BoogieDeclarations]: Found specification of procedure cas_read_mii_link_mode [2024-11-09 06:56:59,954 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_read_mii_link_mode [2024-11-09 06:56:59,954 INFO L130 BoogieDeclarations]: Found specification of procedure __list_splice [2024-11-09 06:56:59,954 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_splice [2024-11-09 06:56:59,955 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2024-11-09 06:56:59,955 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2024-11-09 06:56:59,955 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2024-11-09 06:56:59,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2024-11-09 06:56:59,955 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2024-11-09 06:56:59,955 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2024-11-09 06:56:59,956 INFO L130 BoogieDeclarations]: Found specification of procedure kmap_atomic [2024-11-09 06:56:59,956 INFO L138 BoogieDeclarations]: Found implementation of procedure kmap_atomic [2024-11-09 06:56:59,956 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2024-11-09 06:56:59,956 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2024-11-09 06:56:59,956 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2024-11-09 06:56:59,956 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2024-11-09 06:56:59,956 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2024-11-09 06:56:59,957 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2024-11-09 06:56:59,957 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2024-11-09 06:56:59,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2024-11-09 06:56:59,957 INFO L130 BoogieDeclarations]: Found specification of procedure csum_unfold [2024-11-09 06:56:59,957 INFO L138 BoogieDeclarations]: Found implementation of procedure csum_unfold [2024-11-09 06:56:59,957 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2024-11-09 06:56:59,958 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2024-11-09 06:56:59,958 INFO L130 BoogieDeclarations]: Found specification of procedure cas_entropy_gather [2024-11-09 06:56:59,958 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_entropy_gather [2024-11-09 06:56:59,958 INFO L130 BoogieDeclarations]: Found specification of procedure cas_resume [2024-11-09 06:56:59,958 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_resume [2024-11-09 06:56:59,958 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 06:56:59,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 06:56:59,959 INFO L130 BoogieDeclarations]: Found specification of procedure cas_page_alloc [2024-11-09 06:56:59,959 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_page_alloc [2024-11-09 06:56:59,959 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2024-11-09 06:56:59,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-11-09 06:56:59,959 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-09 06:56:59,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-09 06:56:59,959 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-11-09 06:56:59,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-11-09 06:56:59,960 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2024-11-09 06:56:59,960 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2024-11-09 06:56:59,960 INFO L130 BoogieDeclarations]: Found specification of procedure cas_mif_poll [2024-11-09 06:56:59,960 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_mif_poll [2024-11-09 06:56:59,960 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2024-11-09 06:56:59,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2024-11-09 06:56:59,961 INFO L130 BoogieDeclarations]: Found specification of procedure cas_unlock_tx [2024-11-09 06:56:59,961 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_unlock_tx [2024-11-09 06:56:59,961 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-11-09 06:56:59,961 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-11-09 06:56:59,961 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_133 [2024-11-09 06:56:59,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_133 [2024-11-09 06:56:59,962 INFO L130 BoogieDeclarations]: Found specification of procedure list_splice [2024-11-09 06:56:59,962 INFO L138 BoogieDeclarations]: Found implementation of procedure list_splice [2024-11-09 06:56:59,962 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_135 [2024-11-09 06:56:59,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_135 [2024-11-09 06:56:59,962 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2024-11-09 06:56:59,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2024-11-09 06:56:59,963 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_sub [2024-11-09 06:56:59,963 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_sub [2024-11-09 06:56:59,963 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2024-11-09 06:56:59,963 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2024-11-09 06:56:59,963 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2024-11-09 06:56:59,963 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2024-11-09 06:56:59,964 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2024-11-09 06:56:59,964 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2024-11-09 06:56:59,964 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2024-11-09 06:56:59,964 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2024-11-09 06:56:59,964 INFO L130 BoogieDeclarations]: Found specification of procedure tx_tiny_buf [2024-11-09 06:56:59,964 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_tiny_buf [2024-11-09 06:56:59,965 INFO L130 BoogieDeclarations]: Found specification of procedure cas_mac_reset [2024-11-09 06:56:59,965 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_mac_reset [2024-11-09 06:56:59,965 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_cas [2024-11-09 06:56:59,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_cas [2024-11-09 06:56:59,965 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 06:56:59,965 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2024-11-09 06:56:59,966 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2024-11-09 06:56:59,966 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_frag_set_page [2024-11-09 06:56:59,966 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_frag_set_page [2024-11-09 06:56:59,966 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-09 06:56:59,966 INFO L130 BoogieDeclarations]: Found specification of procedure cas_get_regs_len [2024-11-09 06:56:59,966 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_get_regs_len [2024-11-09 06:56:59,966 INFO L130 BoogieDeclarations]: Found specification of procedure cas_reset [2024-11-09 06:56:59,967 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_reset [2024-11-09 06:56:59,967 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_NOT_ARG_SIGN [2024-11-09 06:56:59,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_NOT_ARG_SIGN [2024-11-09 06:56:59,967 INFO L130 BoogieDeclarations]: Found specification of procedure __free_pages [2024-11-09 06:56:59,967 INFO L138 BoogieDeclarations]: Found implementation of procedure __free_pages [2024-11-09 06:56:59,967 INFO L130 BoogieDeclarations]: Found specification of procedure cas_post_page [2024-11-09 06:56:59,967 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_post_page [2024-11-09 06:56:59,968 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-09 06:56:59,968 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-09 06:56:59,968 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2024-11-09 06:56:59,968 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2024-11-09 06:56:59,968 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-11-09 06:56:59,968 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-11-09 06:56:59,968 INFO L130 BoogieDeclarations]: Found specification of procedure cas_nway_reset [2024-11-09 06:56:59,969 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_nway_reset [2024-11-09 06:56:59,969 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2024-11-09 06:56:59,969 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2024-11-09 06:56:59,969 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2024-11-09 06:56:59,969 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2024-11-09 06:56:59,969 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2024-11-09 06:56:59,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2024-11-09 06:56:59,969 INFO L130 BoogieDeclarations]: Found specification of procedure cas_setup_multicast [2024-11-09 06:56:59,970 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_setup_multicast [2024-11-09 06:56:59,970 INFO L130 BoogieDeclarations]: Found specification of procedure cas_phy_powerdown [2024-11-09 06:56:59,970 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_phy_powerdown [2024-11-09 06:56:59,970 INFO L130 BoogieDeclarations]: Found specification of procedure cas_post_rxds_ringN [2024-11-09 06:56:59,970 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_post_rxds_ringN [2024-11-09 06:56:59,970 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2024-11-09 06:56:59,971 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2024-11-09 06:56:59,971 INFO L130 BoogieDeclarations]: Found specification of procedure cas_vpd_match [2024-11-09 06:56:59,971 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_vpd_match [2024-11-09 06:56:59,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_83 [2024-11-09 06:56:59,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_83 [2024-11-09 06:56:59,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_81 [2024-11-09 06:56:59,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_81 [2024-11-09 06:56:59,971 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2024-11-09 06:56:59,971 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2024-11-09 06:56:59,971 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_weight [2024-11-09 06:56:59,972 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_weight [2024-11-09 06:56:59,972 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2024-11-09 06:56:59,972 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2024-11-09 06:56:59,972 INFO L130 BoogieDeclarations]: Found specification of procedure page_count [2024-11-09 06:56:59,972 INFO L138 BoogieDeclarations]: Found implementation of procedure page_count [2024-11-09 06:56:59,972 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2024-11-09 06:56:59,972 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2024-11-09 06:56:59,972 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_77 [2024-11-09 06:56:59,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_77 [2024-11-09 06:56:59,972 INFO L130 BoogieDeclarations]: Found specification of procedure cas_shutdown [2024-11-09 06:56:59,972 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_shutdown [2024-11-09 06:56:59,973 INFO L130 BoogieDeclarations]: Found specification of procedure cas_begin_auto_negotiation [2024-11-09 06:56:59,973 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_begin_auto_negotiation [2024-11-09 06:56:59,973 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_page [2024-11-09 06:56:59,973 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_page [2024-11-09 06:56:59,974 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2024-11-09 06:56:59,974 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2024-11-09 06:56:59,974 INFO L130 BoogieDeclarations]: Found specification of procedure cas_write_txd [2024-11-09 06:56:59,974 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_write_txd [2024-11-09 06:56:59,974 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-09 06:56:59,974 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-09 06:56:59,974 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_frag_ref [2024-11-09 06:56:59,974 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_frag_ref [2024-11-09 06:56:59,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 06:56:59,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-09 06:56:59,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-09 06:56:59,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_82 [2024-11-09 06:56:59,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_82 [2024-11-09 06:56:59,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_84 [2024-11-09 06:56:59,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_84 [2024-11-09 06:56:59,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_79 [2024-11-09 06:56:59,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_79 [2024-11-09 06:56:59,976 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2024-11-09 06:56:59,976 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2024-11-09 06:56:59,976 INFO L130 BoogieDeclarations]: Found specification of procedure cas_init_hw [2024-11-09 06:56:59,976 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_init_hw [2024-11-09 06:56:59,977 INFO L130 BoogieDeclarations]: Found specification of procedure cas_clean_rings [2024-11-09 06:56:59,977 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_clean_rings [2024-11-09 06:56:59,977 INFO L130 BoogieDeclarations]: Found specification of procedure cas_page_free [2024-11-09 06:56:59,977 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_page_free [2024-11-09 06:56:59,977 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2024-11-09 06:56:59,977 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2024-11-09 06:56:59,977 INFO L130 BoogieDeclarations]: Found specification of procedure cas_phy_write [2024-11-09 06:56:59,978 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_phy_write [2024-11-09 06:56:59,978 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2024-11-09 06:56:59,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2024-11-09 06:56:59,978 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2024-11-09 06:56:59,978 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2024-11-09 06:56:59,978 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2024-11-09 06:56:59,978 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2024-11-09 06:56:59,978 INFO L130 BoogieDeclarations]: Found specification of procedure cas_spare_recover [2024-11-09 06:56:59,978 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_spare_recover [2024-11-09 06:56:59,978 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed [2024-11-09 06:56:59,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed [2024-11-09 06:56:59,979 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2024-11-09 06:56:59,979 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2024-11-09 06:56:59,979 INFO L130 BoogieDeclarations]: Found specification of procedure cas_get_stats [2024-11-09 06:56:59,979 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_get_stats [2024-11-09 06:56:59,979 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2024-11-09 06:56:59,979 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2024-11-09 06:56:59,979 INFO L130 BoogieDeclarations]: Found specification of procedure __kunmap_atomic [2024-11-09 06:56:59,979 INFO L138 BoogieDeclarations]: Found implementation of procedure __kunmap_atomic [2024-11-09 06:56:59,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 06:56:59,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2024-11-09 06:56:59,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2024-11-09 06:56:59,980 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_device [2024-11-09 06:56:59,980 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_device [2024-11-09 06:56:59,980 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2024-11-09 06:56:59,980 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2024-11-09 06:56:59,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_107 [2024-11-09 06:56:59,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_107 [2024-11-09 06:57:01,611 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 06:57:01,616 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 06:57:02,526 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-09 06:57:32,983 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2024-11-09 06:57:36,195 INFO L? ?]: Removed 4763 outVars from TransFormulas that were not future-live. [2024-11-09 06:57:36,195 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 06:57:47,538 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 06:57:47,538 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-09 06:57:47,539 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:57:47 BoogieIcfgContainer [2024-11-09 06:57:47,539 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 06:57:47,542 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 06:57:47,542 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 06:57:47,546 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 06:57:47,547 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 06:56:50" (1/3) ... [2024-11-09 06:57:47,548 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@748651f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:57:47, skipping insertion in model container [2024-11-09 06:57:47,548 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:56:58" (2/3) ... [2024-11-09 06:57:47,548 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@748651f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:57:47, skipping insertion in model container [2024-11-09 06:57:47,549 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:57:47" (3/3) ... [2024-11-09 06:57:47,550 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sun-cassini.cil.i [2024-11-09 06:57:47,575 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 06:57:47,575 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2024-11-09 06:57:47,759 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 06:57:47,768 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;@a53d880, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 06:57:47,768 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-11-09 06:57:47,788 INFO L276 IsEmpty]: Start isEmpty. Operand has 3186 states, 1842 states have (on average 1.278501628664495) internal successors, (2355), 1912 states have internal predecessors, (2355), 1169 states have call successors, (1169), 174 states have call predecessors, (1169), 173 states have return successors, (1164), 1153 states have call predecessors, (1164), 1164 states have call successors, (1164) [2024-11-09 06:57:47,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-09 06:57:47,809 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:57:47,810 INFO L215 NwaCegarLoop]: trace histogram [13, 12, 12, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:57:47,810 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 06:57:47,817 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:57:47,819 INFO L85 PathProgramCache]: Analyzing trace with hash 890667949, now seen corresponding path program 1 times [2024-11-09 06:57:47,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:57:47,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [581775074] [2024-11-09 06:57:47,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:57:47,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:58:18,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:58:20,938 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 552 trivial. 0 not checked. [2024-11-09 06:58:20,938 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:58:20,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [581775074] [2024-11-09 06:58:20,942 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [581775074] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:58:20,942 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:58:20,942 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 06:58:20,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [856819437] [2024-11-09 06:58:20,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:58:20,951 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:58:20,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:58:20,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:58:20,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:58:20,990 INFO L87 Difference]: Start difference. First operand has 3186 states, 1842 states have (on average 1.278501628664495) internal successors, (2355), 1912 states have internal predecessors, (2355), 1169 states have call successors, (1169), 174 states have call predecessors, (1169), 173 states have return successors, (1164), 1153 states have call predecessors, (1164), 1164 states have call successors, (1164) Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 3 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-09 06:58:23,221 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 06:58:25,468 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:58:39,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:58:39,556 INFO L93 Difference]: Finished difference Result 9424 states and 14261 transitions. [2024-11-09 06:58:39,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:58:39,559 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 3 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 137 [2024-11-09 06:58:39,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:58:39,654 INFO L225 Difference]: With dead ends: 9424 [2024-11-09 06:58:39,654 INFO L226 Difference]: Without dead ends: 6253 [2024-11-09 06:58:39,700 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:58:39,706 INFO L432 NwaCegarLoop]: 4097 mSDtfsCounter, 4554 mSDsluCounter, 4057 mSDsCounter, 0 mSdLazyCounter, 1160 mSolverCounterSat, 3 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4554 SdHoareTripleChecker+Valid, 8154 SdHoareTripleChecker+Invalid, 1165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1160 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.9s IncrementalHoareTripleChecker+Time [2024-11-09 06:58:39,707 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4554 Valid, 8154 Invalid, 1165 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 1160 Invalid, 2 Unknown, 0 Unchecked, 17.9s Time] [2024-11-09 06:58:39,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6253 states. [2024-11-09 06:58:40,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6253 to 6249. [2024-11-09 06:58:40,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6249 states, 3627 states have (on average 1.2726771436448856) internal successors, (4616), 3759 states have internal predecessors, (4616), 2278 states have call successors, (2278), 342 states have call predecessors, (2278), 341 states have return successors, (2275), 2253 states have call predecessors, (2275), 2275 states have call successors, (2275) [2024-11-09 06:58:40,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6249 states to 6249 states and 9169 transitions. [2024-11-09 06:58:40,396 INFO L78 Accepts]: Start accepts. Automaton has 6249 states and 9169 transitions. Word has length 137 [2024-11-09 06:58:40,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:58:40,399 INFO L471 AbstractCegarLoop]: Abstraction has 6249 states and 9169 transitions. [2024-11-09 06:58:40,399 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 3 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-09 06:58:40,399 INFO L276 IsEmpty]: Start isEmpty. Operand 6249 states and 9169 transitions. [2024-11-09 06:58:40,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-11-09 06:58:40,413 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:58:40,413 INFO L215 NwaCegarLoop]: trace histogram [13, 12, 12, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:58:40,414 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 06:58:40,414 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-09 06:58:40,414 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:58:40,415 INFO L85 PathProgramCache]: Analyzing trace with hash 864284843, now seen corresponding path program 1 times [2024-11-09 06:58:40,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:58:40,415 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1418432938] [2024-11-09 06:58:40,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:58:40,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:59:07,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:59:09,456 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 552 trivial. 0 not checked. [2024-11-09 06:59:09,458 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:59:09,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1418432938] [2024-11-09 06:59:09,459 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1418432938] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:59:09,459 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:59:09,459 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 06:59:09,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2047999998] [2024-11-09 06:59:09,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:59:09,463 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:59:09,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:59:09,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:59:09,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:59:09,467 INFO L87 Difference]: Start difference. First operand 6249 states and 9169 transitions. Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 3 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-09 06:59:11,647 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:59:13,894 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:59:28,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:59:28,296 INFO L93 Difference]: Finished difference Result 18509 states and 27189 transitions. [2024-11-09 06:59:28,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:59:28,297 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 3 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 142 [2024-11-09 06:59:28,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:59:28,414 INFO L225 Difference]: With dead ends: 18509 [2024-11-09 06:59:28,414 INFO L226 Difference]: Without dead ends: 12285 [2024-11-09 06:59:28,458 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:59:28,459 INFO L432 NwaCegarLoop]: 4077 mSDtfsCounter, 4476 mSDsluCounter, 4041 mSDsCounter, 0 mSdLazyCounter, 1177 mSolverCounterSat, 3 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4476 SdHoareTripleChecker+Valid, 8118 SdHoareTripleChecker+Invalid, 1182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1177 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.2s IncrementalHoareTripleChecker+Time [2024-11-09 06:59:28,460 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4476 Valid, 8118 Invalid, 1182 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 1177 Invalid, 2 Unknown, 0 Unchecked, 18.2s Time] [2024-11-09 06:59:28,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12285 states. [2024-11-09 06:59:29,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12285 to 12249. [2024-11-09 06:59:29,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12249 states, 7124 states have (on average 1.2716170690623245) internal successors, (9059), 7382 states have internal predecessors, (9059), 4443 states have call successors, (4443), 682 states have call predecessors, (4443), 679 states have return successors, (4502), 4384 states have call predecessors, (4502), 4440 states have call successors, (4502) [2024-11-09 06:59:29,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12249 states to 12249 states and 18004 transitions. [2024-11-09 06:59:29,445 INFO L78 Accepts]: Start accepts. Automaton has 12249 states and 18004 transitions. Word has length 142 [2024-11-09 06:59:29,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:59:29,448 INFO L471 AbstractCegarLoop]: Abstraction has 12249 states and 18004 transitions. [2024-11-09 06:59:29,449 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 3 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-09 06:59:29,449 INFO L276 IsEmpty]: Start isEmpty. Operand 12249 states and 18004 transitions. [2024-11-09 06:59:29,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-11-09 06:59:29,456 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:59:29,457 INFO L215 NwaCegarLoop]: trace histogram [13, 12, 12, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:59:29,457 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 06:59:29,457 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-09 06:59:29,458 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:59:29,458 INFO L85 PathProgramCache]: Analyzing trace with hash -1615613961, now seen corresponding path program 1 times [2024-11-09 06:59:29,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:59:29,458 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [60883377] [2024-11-09 06:59:29,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:59:29,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:59:59,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:00:00,106 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 552 trivial. 0 not checked. [2024-11-09 07:00:00,106 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 07:00:00,109 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [60883377] [2024-11-09 07:00:00,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [60883377] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:00:00,109 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:00:00,110 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 07:00:00,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1151277094] [2024-11-09 07:00:00,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:00:00,111 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:00:00,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 07:00:00,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:00:00,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:00:00,114 INFO L87 Difference]: Start difference. First operand 12249 states and 18004 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 3 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-09 07:00:02,322 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 07:00:04,605 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 07:00:17,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:00:17,253 INFO L93 Difference]: Finished difference Result 35265 states and 51694 transitions. [2024-11-09 07:00:17,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:00:17,253 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 3 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 146 [2024-11-09 07:00:17,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:00:17,458 INFO L225 Difference]: With dead ends: 35265 [2024-11-09 07:00:17,458 INFO L226 Difference]: Without dead ends: 23041 [2024-11-09 07:00:17,540 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:00:17,541 INFO L432 NwaCegarLoop]: 4076 mSDtfsCounter, 4063 mSDsluCounter, 3993 mSDsCounter, 0 mSdLazyCounter, 1206 mSolverCounterSat, 7 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4063 SdHoareTripleChecker+Valid, 8069 SdHoareTripleChecker+Invalid, 1215 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1206 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.3s IncrementalHoareTripleChecker+Time [2024-11-09 07:00:17,542 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4063 Valid, 8069 Invalid, 1215 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1206 Invalid, 2 Unknown, 0 Unchecked, 16.3s Time] [2024-11-09 07:00:17,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23041 states. [2024-11-09 07:00:19,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23041 to 23001. [2024-11-09 07:00:19,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23001 states, 13392 states have (on average 1.2659050179211468) internal successors, (16953), 13870 states have internal predecessors, (16953), 8285 states have call successors, (8285), 1326 states have call predecessors, (8285), 1321 states have return successors, (8414), 8174 states have call predecessors, (8414), 8282 states have call successors, (8414) [2024-11-09 07:00:19,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23001 states to 23001 states and 33652 transitions. [2024-11-09 07:00:19,466 INFO L78 Accepts]: Start accepts. Automaton has 23001 states and 33652 transitions. Word has length 146 [2024-11-09 07:00:19,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:00:19,466 INFO L471 AbstractCegarLoop]: Abstraction has 23001 states and 33652 transitions. [2024-11-09 07:00:19,468 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 3 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-09 07:00:19,468 INFO L276 IsEmpty]: Start isEmpty. Operand 23001 states and 33652 transitions. [2024-11-09 07:00:19,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-09 07:00:19,471 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:00:19,471 INFO L215 NwaCegarLoop]: trace histogram [13, 12, 12, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:00:19,472 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 07:00:19,472 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-09 07:00:19,473 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:00:19,473 INFO L85 PathProgramCache]: Analyzing trace with hash 437859830, now seen corresponding path program 1 times [2024-11-09 07:00:19,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 07:00:19,473 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1136712986] [2024-11-09 07:00:19,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:00:19,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:00:50,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:00:52,324 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 552 trivial. 0 not checked. [2024-11-09 07:00:52,325 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 07:00:52,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1136712986] [2024-11-09 07:00:52,326 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1136712986] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:00:52,326 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:00:52,326 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 07:00:52,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [662075909] [2024-11-09 07:00:52,327 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:00:52,327 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:00:52,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 07:00:52,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:00:52,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:00:52,329 INFO L87 Difference]: Start difference. First operand 23001 states and 33652 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-09 07:00:54,554 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 07:00:56,825 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 07:01:10,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:01:10,909 INFO L93 Difference]: Finished difference Result 43311 states and 62956 transitions. [2024-11-09 07:01:10,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:01:10,910 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 151 [2024-11-09 07:01:10,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:01:11,067 INFO L225 Difference]: With dead ends: 43311 [2024-11-09 07:01:11,067 INFO L226 Difference]: Without dead ends: 20335 [2024-11-09 07:01:11,193 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:01:11,194 INFO L432 NwaCegarLoop]: 4953 mSDtfsCounter, 2756 mSDsluCounter, 4028 mSDsCounter, 0 mSdLazyCounter, 1359 mSolverCounterSat, 16 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2756 SdHoareTripleChecker+Valid, 8981 SdHoareTripleChecker+Invalid, 1377 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 1359 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.7s IncrementalHoareTripleChecker+Time [2024-11-09 07:01:11,196 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2756 Valid, 8981 Invalid, 1377 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 1359 Invalid, 2 Unknown, 0 Unchecked, 17.7s Time] [2024-11-09 07:01:11,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20335 states. [2024-11-09 07:01:12,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20335 to 20300. [2024-11-09 07:01:12,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20300 states, 12007 states have (on average 1.266677771300075) internal successors, (15209), 12434 states have internal predecessors, (15209), 6955 states have call successors, (6955), 1338 states have call predecessors, (6955), 1335 states have return successors, (7037), 6862 states have call predecessors, (7037), 6952 states have call successors, (7037) [2024-11-09 07:01:13,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20300 states to 20300 states and 29201 transitions. [2024-11-09 07:01:13,376 INFO L78 Accepts]: Start accepts. Automaton has 20300 states and 29201 transitions. Word has length 151 [2024-11-09 07:01:13,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:01:13,378 INFO L471 AbstractCegarLoop]: Abstraction has 20300 states and 29201 transitions. [2024-11-09 07:01:13,378 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-09 07:01:13,379 INFO L276 IsEmpty]: Start isEmpty. Operand 20300 states and 29201 transitions. [2024-11-09 07:01:13,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-09 07:01:13,382 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:01:13,383 INFO L215 NwaCegarLoop]: trace histogram [13, 12, 12, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:01:13,383 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 07:01:13,383 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-09 07:01:13,384 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:01:13,384 INFO L85 PathProgramCache]: Analyzing trace with hash 178929302, now seen corresponding path program 1 times [2024-11-09 07:01:13,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 07:01:13,385 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1267506778] [2024-11-09 07:01:13,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:01:13,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:01:45,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:01:47,256 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 552 trivial. 0 not checked. [2024-11-09 07:01:47,256 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 07:01:47,257 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1267506778] [2024-11-09 07:01:47,257 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1267506778] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:01:47,257 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:01:47,257 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 07:01:47,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1560315890] [2024-11-09 07:01:47,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:01:47,258 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:01:47,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 07:01:47,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:01:47,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:01:47,260 INFO L87 Difference]: Start difference. First operand 20300 states and 29201 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-09 07:01:49,497 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 07:01:51,781 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 07:02:06,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:02:06,922 INFO L93 Difference]: Finished difference Result 54132 states and 78139 transitions. [2024-11-09 07:02:06,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:02:06,923 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 154 [2024-11-09 07:02:06,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:02:07,172 INFO L225 Difference]: With dead ends: 54132 [2024-11-09 07:02:07,173 INFO L226 Difference]: Without dead ends: 33857 [2024-11-09 07:02:07,282 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:02:07,283 INFO L432 NwaCegarLoop]: 4397 mSDtfsCounter, 4583 mSDsluCounter, 4014 mSDsCounter, 0 mSdLazyCounter, 1196 mSolverCounterSat, 6 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4583 SdHoareTripleChecker+Valid, 8411 SdHoareTripleChecker+Invalid, 1204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1196 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.4s IncrementalHoareTripleChecker+Time [2024-11-09 07:02:07,284 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4583 Valid, 8411 Invalid, 1204 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1196 Invalid, 2 Unknown, 0 Unchecked, 18.4s Time] [2024-11-09 07:02:07,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33857 states. [2024-11-09 07:02:09,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33857 to 33817. [2024-11-09 07:02:09,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33817 states, 19916 states have (on average 1.2658164290018077) internal successors, (25210), 20637 states have internal predecessors, (25210), 11756 states have call successors, (11756), 2151 states have call predecessors, (11756), 2142 states have return successors, (11927), 11573 states have call predecessors, (11927), 11753 states have call successors, (11927) [2024-11-09 07:02:09,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33817 states to 33817 states and 48893 transitions. [2024-11-09 07:02:09,925 INFO L78 Accepts]: Start accepts. Automaton has 33817 states and 48893 transitions. Word has length 154 [2024-11-09 07:02:09,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:02:09,925 INFO L471 AbstractCegarLoop]: Abstraction has 33817 states and 48893 transitions. [2024-11-09 07:02:09,926 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-09 07:02:09,926 INFO L276 IsEmpty]: Start isEmpty. Operand 33817 states and 48893 transitions. [2024-11-09 07:02:09,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-11-09 07:02:09,929 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:02:09,930 INFO L215 NwaCegarLoop]: trace histogram [16, 12, 12, 12, 12, 12, 12, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:02:09,930 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 07:02:09,930 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 07:02:09,931 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:02:09,931 INFO L85 PathProgramCache]: Analyzing trace with hash 294602128, now seen corresponding path program 1 times [2024-11-09 07:02:09,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 07:02:09,931 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1334125412] [2024-11-09 07:02:09,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:02:09,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:02:39,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:02:42,119 INFO L134 CoverageAnalysis]: Checked inductivity of 659 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 659 trivial. 0 not checked. [2024-11-09 07:02:42,119 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 07:02:42,119 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1334125412] [2024-11-09 07:02:42,120 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1334125412] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:02:42,120 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:02:42,120 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 07:02:42,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [906412282] [2024-11-09 07:02:42,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:02:42,121 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 07:02:42,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 07:02:42,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 07:02:42,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 07:02:42,123 INFO L87 Difference]: Start difference. First operand 33817 states and 48893 transitions. Second operand has 5 states, 5 states have (on average 7.8) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-09 07:02:44,313 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 07:02:46,544 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 07:02:48,811 WARN L539 Checker$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 07:03:13,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:03:13,506 INFO L93 Difference]: Finished difference Result 62573 states and 90425 transitions. [2024-11-09 07:03:13,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 07:03:13,507 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 175 [2024-11-09 07:03:13,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:03:14,227 INFO L225 Difference]: With dead ends: 62573 [2024-11-09 07:03:14,227 INFO L226 Difference]: Without dead ends: 62571 [2024-11-09 07:03:14,256 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-09 07:03:14,257 INFO L432 NwaCegarLoop]: 4137 mSDtfsCounter, 4418 mSDsluCounter, 11640 mSDsCounter, 0 mSdLazyCounter, 2324 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4419 SdHoareTripleChecker+Valid, 15777 SdHoareTripleChecker+Invalid, 2328 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2324 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.4s IncrementalHoareTripleChecker+Time [2024-11-09 07:03:14,258 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4419 Valid, 15777 Invalid, 2328 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 2324 Invalid, 3 Unknown, 0 Unchecked, 29.4s Time] [2024-11-09 07:03:14,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62571 states. [2024-11-09 07:03:17,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62571 to 62535. [2024-11-09 07:03:17,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62535 states, 36928 states have (on average 1.2678184575389948) internal successors, (46818), 38376 states have internal predecessors, (46818), 21531 states have call successors, (21531), 4183 states have call predecessors, (21531), 4073 states have return successors, (22041), 20906 states have call predecessors, (22041), 21525 states have call successors, (22041) [2024-11-09 07:03:17,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62535 states to 62535 states and 90390 transitions. [2024-11-09 07:03:17,770 INFO L78 Accepts]: Start accepts. Automaton has 62535 states and 90390 transitions. Word has length 175 [2024-11-09 07:03:17,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:03:17,771 INFO L471 AbstractCegarLoop]: Abstraction has 62535 states and 90390 transitions. [2024-11-09 07:03:17,771 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-09 07:03:17,771 INFO L276 IsEmpty]: Start isEmpty. Operand 62535 states and 90390 transitions. [2024-11-09 07:03:17,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2024-11-09 07:03:17,775 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:03:17,775 INFO L215 NwaCegarLoop]: trace histogram [16, 12, 12, 12, 12, 12, 12, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:03:17,775 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-09 07:03:17,776 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-09 07:03:17,776 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:03:17,776 INFO L85 PathProgramCache]: Analyzing trace with hash 228001184, now seen corresponding path program 1 times [2024-11-09 07:03:17,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 07:03:17,777 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1730125686] [2024-11-09 07:03:17,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:03:17,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms