./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-intel-igbvf-igbvf.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7ba33d9-e284-4054-b546-9038290b154f/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7ba33d9-e284-4054-b546-9038290b154f/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7ba33d9-e284-4054-b546-9038290b154f/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7ba33d9-e284-4054-b546-9038290b154f/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-igbvf-igbvf.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7ba33d9-e284-4054-b546-9038290b154f/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7ba33d9-e284-4054-b546-9038290b154f/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 14116a47f3f4a2a033e7a89d50301476fe518641457365dd95d98c606e6851b5 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 03:08:16,952 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 03:08:17,037 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7ba33d9-e284-4054-b546-9038290b154f/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-28 03:08:17,045 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 03:08:17,045 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 03:08:17,097 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 03:08:17,098 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 03:08:17,098 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 03:08:17,098 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 03:08:17,098 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 03:08:17,098 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 03:08:17,098 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 03:08:17,099 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 03:08:17,099 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 03:08:17,099 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 03:08:17,099 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 03:08:17,099 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 03:08:17,099 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 03:08:17,099 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 03:08:17,099 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 03:08:17,100 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 03:08:17,100 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 03:08:17,100 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 03:08:17,101 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 03:08:17,103 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 03:08:17,103 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 03:08:17,103 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:08:17,103 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:08:17,103 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:08:17,103 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:08:17,103 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 03:08:17,104 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:08:17,104 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:08:17,104 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:08:17,104 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:08:17,104 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 03:08:17,105 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 03:08:17,105 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 03:08:17,105 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 03:08:17,105 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 03:08:17,106 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 03:08:17,106 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 03:08:17,106 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 03:08:17,106 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 03:08:17,106 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 03:08:17,106 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7ba33d9-e284-4054-b546-9038290b154f/bin/uautomizer-verify-aQ6SnzHsRB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 14116a47f3f4a2a033e7a89d50301476fe518641457365dd95d98c606e6851b5 [2024-11-28 03:08:17,467 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 03:08:17,484 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 03:08:17,487 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 03:08:17,489 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 03:08:17,489 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 03:08:17,490 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7ba33d9-e284-4054-b546-9038290b154f/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-igbvf-igbvf.cil.i [2024-11-28 03:08:20,668 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7ba33d9-e284-4054-b546-9038290b154f/bin/uautomizer-verify-aQ6SnzHsRB/data/2f1583ccb/6f53ab43ec8544b4a742b0b9c414913a/FLAG249d13caa [2024-11-28 03:08:21,712 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 03:08:21,713 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7ba33d9-e284-4054-b546-9038290b154f/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-igbvf-igbvf.cil.i [2024-11-28 03:08:21,791 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7ba33d9-e284-4054-b546-9038290b154f/bin/uautomizer-verify-aQ6SnzHsRB/data/2f1583ccb/6f53ab43ec8544b4a742b0b9c414913a/FLAG249d13caa [2024-11-28 03:08:21,825 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7ba33d9-e284-4054-b546-9038290b154f/bin/uautomizer-verify-aQ6SnzHsRB/data/2f1583ccb/6f53ab43ec8544b4a742b0b9c414913a [2024-11-28 03:08:21,828 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 03:08:21,830 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 03:08:21,831 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 03:08:21,832 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 03:08:21,837 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 03:08:21,838 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:08:21" (1/1) ... [2024-11-28 03:08:21,839 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@108ba853 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:08:21, skipping insertion in model container [2024-11-28 03:08:21,839 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:08:21" (1/1) ... [2024-11-28 03:08:22,044 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 03:08:27,387 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_f7ba33d9-e284-4054-b546-9038290b154f/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-igbvf-igbvf.cil.i[485804,485817] [2024-11-28 03:08:27,391 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_f7ba33d9-e284-4054-b546-9038290b154f/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-igbvf-igbvf.cil.i[485973,485986] [2024-11-28 03:08:27,392 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_f7ba33d9-e284-4054-b546-9038290b154f/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-igbvf-igbvf.cil.i[486140,486153] [2024-11-28 03:08:27,393 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_f7ba33d9-e284-4054-b546-9038290b154f/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-igbvf-igbvf.cil.i[486308,486321] [2024-11-28 03:08:27,452 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:08:27,559 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 03:08:27,792 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [6259] [2024-11-28 03:08:27,794 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [6266] [2024-11-28 03:08:27,838 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"); [6918] [2024-11-28 03:08:27,838 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)); [6925] [2024-11-28 03:08:27,839 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [6932] [2024-11-28 03:08:27,872 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("bt %2,%1\n\tsbb %0,%0": "=r" (oldbit): "m" (*((unsigned long *)addr)), "Ir" (nr)); [8007-8008] [2024-11-28 03:08:27,875 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)); [8049-8050] [2024-11-28 03:08:27,875 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"); [8055-8057] [2024-11-28 03:08:27,876 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)); [8077] [2024-11-28 03:08:27,880 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [8195] [2024-11-28 03:08:27,882 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)); [8252-8253] [2024-11-28 03:08:27,885 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)); [8313] [2024-11-28 03:08:27,886 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ (" addl %1, %0\n adcl %2, %0\n adcl %3, %0\n adcl $0, %0\n": "=r" (sum): "g" (daddr), "g" (saddr), "g" (((int )len + (int )proto) << 8), "0" (sum)); [8321-8322] [2024-11-28 03:08:27,890 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" (19), "i" (12UL)); [8397-8398] [2024-11-28 03:08:27,891 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" (36), "i" (12UL)); [8431-8432] [2024-11-28 03:08:27,893 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)); [8472-8473] [2024-11-28 03:08:27,894 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)); [8501-8502] [2024-11-28 03:08:27,910 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/netdevice.h"), "i" (502), "i" (12UL)); [8943-8944] [2024-11-28 03:08:27,910 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [8950] [2024-11-28 03:08:27,949 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [9560] [2024-11-28 03:08:27,951 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [9607] [2024-11-28 03:08:27,953 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)skb->data) [9619] [2024-11-28 03:08:27,955 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)next_rxd) [9680] [2024-11-28 03:08:28,049 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [10291] [2024-11-28 03:08:28,134 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [11930] [2024-11-28 03:08:28,135 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/intel/igbvf/netdev.c"), "i" (2086), "i" (12UL)); [11974-11975] [2024-11-28 03:08:28,137 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/intel/igbvf/netdev.c"), "i" (2109), "i" (12UL)); [12010-12011] [2024-11-28 03:08:28,144 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [12125] [2024-11-28 03:08:28,145 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [12129] [2024-11-28 03:08:28,307 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_f7ba33d9-e284-4054-b546-9038290b154f/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-igbvf-igbvf.cil.i[485804,485817] [2024-11-28 03:08:28,307 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_f7ba33d9-e284-4054-b546-9038290b154f/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-igbvf-igbvf.cil.i[485973,485986] [2024-11-28 03:08:28,309 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_f7ba33d9-e284-4054-b546-9038290b154f/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-igbvf-igbvf.cil.i[486140,486153] [2024-11-28 03:08:28,309 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_f7ba33d9-e284-4054-b546-9038290b154f/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-igbvf-igbvf.cil.i[486308,486321] [2024-11-28 03:08:28,324 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:08:28,950 INFO L204 MainTranslator]: Completed translation [2024-11-28 03:08:28,951 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:08:28 WrapperNode [2024-11-28 03:08:28,952 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 03:08:28,954 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 03:08:28,954 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 03:08:28,954 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 03:08:28,963 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:08:28" (1/1) ... [2024-11-28 03:08:29,157 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:08:28" (1/1) ... [2024-11-28 03:08:29,584 INFO L138 Inliner]: procedures = 642, calls = 3320, calls flagged for inlining = 319, calls inlined = 283, statements flattened = 8708 [2024-11-28 03:08:29,585 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 03:08:29,585 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 03:08:29,585 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 03:08:29,585 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 03:08:29,599 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:08:28" (1/1) ... [2024-11-28 03:08:29,600 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:08:28" (1/1) ... [2024-11-28 03:08:29,659 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:08:28" (1/1) ... [2024-11-28 03:08:33,730 INFO L175 MemorySlicer]: Split 1690 memory accesses to 19 slices as follows [2, 7, 51, 6, 1, 2, 2, 1491, 1, 5, 2, 5, 50, 46, 3, 9, 3, 2, 2]. 88 percent of accesses are in the largest equivalence class. The 57 initializations are split as follows [0, 6, 0, 6, 1, 2, 0, 29, 0, 5, 0, 5, 0, 0, 2, 0, 1, 0, 0]. The 913 writes are split as follows [1, 0, 42, 0, 0, 0, 1, 765, 0, 0, 1, 0, 50, 46, 0, 5, 0, 1, 1]. [2024-11-28 03:08:33,730 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:08:28" (1/1) ... [2024-11-28 03:08:33,731 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:08:28" (1/1) ... [2024-11-28 03:08:34,076 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:08:28" (1/1) ... [2024-11-28 03:08:34,102 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:08:28" (1/1) ... [2024-11-28 03:08:34,164 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:08:28" (1/1) ... [2024-11-28 03:08:34,289 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:08:28" (1/1) ... [2024-11-28 03:08:34,334 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:08:28" (1/1) ... [2024-11-28 03:08:34,457 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 03:08:34,459 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 03:08:34,461 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 03:08:34,461 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 03:08:34,462 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:08:28" (1/1) ... [2024-11-28 03:08:34,473 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:08:34,491 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7ba33d9-e284-4054-b546-9038290b154f/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:08:34,512 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7ba33d9-e284-4054-b546-9038290b154f/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 03:08:34,535 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7ba33d9-e284-4054-b546-9038290b154f/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 03:08:34,594 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2024-11-28 03:08:34,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2024-11-28 03:08:34,599 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2024-11-28 03:08:34,599 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2024-11-28 03:08:34,599 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-28 03:08:34,599 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-28 03:08:34,599 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_6 [2024-11-28 03:08:34,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_6 [2024-11-28 03:08:34,599 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2024-11-28 03:08:34,600 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2024-11-28 03:08:34,600 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-28 03:08:34,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-28 03:08:34,600 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2024-11-28 03:08:34,600 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2024-11-28 03:08:34,600 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_init_function_pointers_vf [2024-11-28 03:08:34,600 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_init_function_pointers_vf [2024-11-28 03:08:34,600 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2024-11-28 03:08:34,600 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2024-11-28 03:08:34,600 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2024-11-28 03:08:34,600 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2024-11-28 03:08:34,600 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2024-11-28 03:08:34,600 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2024-11-28 03:08:34,600 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2024-11-28 03:08:34,600 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2024-11-28 03:08:34,601 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_alloc_rx_buffers [2024-11-28 03:08:34,601 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_alloc_rx_buffers [2024-11-28 03:08:34,601 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2024-11-28 03:08:34,601 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2024-11-28 03:08:34,601 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_read_mac_addr_vf [2024-11-28 03:08:34,601 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_read_mac_addr_vf [2024-11-28 03:08:34,601 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_close [2024-11-28 03:08:34,601 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_close [2024-11-28 03:08:34,601 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2024-11-28 03:08:34,601 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2024-11-28 03:08:34,601 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_reset_hw_vf [2024-11-28 03:08:34,601 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_reset_hw_vf [2024-11-28 03:08:34,601 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_maybe_stop_tx [2024-11-28 03:08:34,601 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_maybe_stop_tx [2024-11-28 03:08:34,601 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2024-11-28 03:08:34,602 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2024-11-28 03:08:34,602 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2024-11-28 03:08:34,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2024-11-28 03:08:34,602 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2024-11-28 03:08:34,602 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2024-11-28 03:08:34,602 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2024-11-28 03:08:34,608 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2024-11-28 03:08:34,608 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_clean_tx_irq [2024-11-28 03:08:34,608 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_clean_tx_irq [2024-11-28 03:08:34,608 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-11-28 03:08:34,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-11-28 03:08:34,608 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2024-11-28 03:08:34,609 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2024-11-28 03:08:34,609 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_suspend [2024-11-28 03:08:34,609 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_suspend [2024-11-28 03:08:34,609 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-28 03:08:34,609 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2024-11-28 03:08:34,609 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2024-11-28 03:08:34,609 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2024-11-28 03:08:34,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2024-11-28 03:08:34,609 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2024-11-28 03:08:34,609 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2024-11-28 03:08:34,609 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2024-11-28 03:08:34,609 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2024-11-28 03:08:34,609 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2024-11-28 03:08:34,609 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2024-11-28 03:08:34,609 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-11-28 03:08:34,609 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-11-28 03:08:34,609 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-11-28 03:08:34,610 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-11-28 03:08:34,610 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-11-28 03:08:34,610 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-11-28 03:08:34,610 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-11-28 03:08:34,610 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-11-28 03:08:34,610 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-11-28 03:08:34,610 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-11-28 03:08:34,610 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-11-28 03:08:34,610 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2024-11-28 03:08:34,610 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2024-11-28 03:08:34,610 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2024-11-28 03:08:34,610 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2024-11-28 03:08:34,610 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2024-11-28 03:08:34,610 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#16 [2024-11-28 03:08:34,610 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#17 [2024-11-28 03:08:34,610 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#18 [2024-11-28 03:08:34,610 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_assign_vector [2024-11-28 03:08:34,611 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_assign_vector [2024-11-28 03:08:34,611 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2024-11-28 03:08:34,611 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2024-11-28 03:08:34,611 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2024-11-28 03:08:34,611 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2024-11-28 03:08:34,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-28 03:08:34,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-28 03:08:34,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-28 03:08:34,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-28 03:08:34,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-28 03:08:34,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-28 03:08:34,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-28 03:08:34,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-28 03:08:34,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-28 03:08:34,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-28 03:08:34,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-28 03:08:34,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-28 03:08:34,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-28 03:08:34,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-11-28 03:08:34,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-11-28 03:08:34,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-11-28 03:08:34,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-11-28 03:08:34,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-11-28 03:08:34,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-11-28 03:08:34,620 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_desc_unused [2024-11-28 03:08:34,620 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_desc_unused [2024-11-28 03:08:34,620 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2024-11-28 03:08:34,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2024-11-28 03:08:34,620 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2024-11-28 03:08:34,620 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2024-11-28 03:08:34,620 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-28 03:08:34,620 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-28 03:08:34,620 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-28 03:08:34,620 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-28 03:08:34,621 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-28 03:08:34,621 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-28 03:08:34,621 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-28 03:08:34,621 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-28 03:08:34,621 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-28 03:08:34,621 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-28 03:08:34,621 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-28 03:08:34,621 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-28 03:08:34,621 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-28 03:08:34,621 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-28 03:08:34,621 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-28 03:08:34,621 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-28 03:08:34,621 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-11-28 03:08:34,621 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-11-28 03:08:34,621 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-11-28 03:08:34,621 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_netpoll [2024-11-28 03:08:34,621 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_netpoll [2024-11-28 03:08:34,621 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2024-11-28 03:08:34,622 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2024-11-28 03:08:34,622 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_reset_interrupt_capability [2024-11-28 03:08:34,622 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_reset_interrupt_capability [2024-11-28 03:08:34,622 INFO L130 BoogieDeclarations]: Found specification of procedure vzalloc [2024-11-28 03:08:34,622 INFO L138 BoogieDeclarations]: Found implementation of procedure vzalloc [2024-11-28 03:08:34,622 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-11-28 03:08:34,629 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-11-28 03:08:34,629 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-11-28 03:08:34,629 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-11-28 03:08:34,629 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-11-28 03:08:34,629 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-11-28 03:08:34,629 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-11-28 03:08:34,629 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-11-28 03:08:34,630 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2024-11-28 03:08:34,630 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2024-11-28 03:08:34,630 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2024-11-28 03:08:34,630 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#11 [2024-11-28 03:08:34,630 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#12 [2024-11-28 03:08:34,630 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#13 [2024-11-28 03:08:34,630 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#14 [2024-11-28 03:08:34,630 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#15 [2024-11-28 03:08:34,630 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#16 [2024-11-28 03:08:34,630 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#17 [2024-11-28 03:08:34,630 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#18 [2024-11-28 03:08:34,630 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-11-28 03:08:34,630 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-11-28 03:08:34,630 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-11-28 03:08:34,630 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-11-28 03:08:34,630 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-11-28 03:08:34,630 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-11-28 03:08:34,630 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-11-28 03:08:34,630 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-11-28 03:08:34,630 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2024-11-28 03:08:34,630 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2024-11-28 03:08:34,631 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2024-11-28 03:08:34,631 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#11 [2024-11-28 03:08:34,631 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#12 [2024-11-28 03:08:34,631 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#13 [2024-11-28 03:08:34,631 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#14 [2024-11-28 03:08:34,631 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#15 [2024-11-28 03:08:34,631 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#16 [2024-11-28 03:08:34,631 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#17 [2024-11-28 03:08:34,631 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#18 [2024-11-28 03:08:34,631 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_for_msg_vf [2024-11-28 03:08:34,631 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_for_msg_vf [2024-11-28 03:08:34,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2024-11-28 03:08:34,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2024-11-28 03:08:34,631 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2024-11-28 03:08:34,631 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2024-11-28 03:08:34,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_igbvf_exit_module_19_2 [2024-11-28 03:08:34,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_igbvf_exit_module_19_2 [2024-11-28 03:08:34,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2024-11-28 03:08:34,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2024-11-28 03:08:34,632 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_free_tx_resources [2024-11-28 03:08:34,632 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_free_tx_resources [2024-11-28 03:08:34,632 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_offset [2024-11-28 03:08:34,632 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_offset [2024-11-28 03:08:34,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2024-11-28 03:08:34,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2024-11-28 03:08:34,632 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2024-11-28 03:08:34,639 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2024-11-28 03:08:34,639 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2024-11-28 03:08:34,639 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2024-11-28 03:08:34,639 INFO L130 BoogieDeclarations]: Found specification of procedure __udelay [2024-11-28 03:08:34,639 INFO L138 BoogieDeclarations]: Found implementation of procedure __udelay [2024-11-28 03:08:34,639 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2024-11-28 03:08:34,639 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2024-11-28 03:08:34,639 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2024-11-28 03:08:34,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2024-11-28 03:08:34,640 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-28 03:08:34,640 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2024-11-28 03:08:34,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2024-11-28 03:08:34,640 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2024-11-28 03:08:34,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2024-11-28 03:08:34,640 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2024-11-28 03:08:34,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2024-11-28 03:08:34,640 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2024-11-28 03:08:34,640 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2024-11-28 03:08:34,640 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_configure_msix [2024-11-28 03:08:34,640 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_configure_msix [2024-11-28 03:08:34,640 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 03:08:34,640 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_open [2024-11-28 03:08:34,640 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_open [2024-11-28 03:08:34,640 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2024-11-28 03:08:34,640 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2024-11-28 03:08:34,640 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-11-28 03:08:34,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-11-28 03:08:34,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-28 03:08:34,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-28 03:08:34,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-28 03:08:34,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-28 03:08:34,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-28 03:08:34,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-28 03:08:34,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-28 03:08:34,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-28 03:08:34,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-28 03:08:34,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-28 03:08:34,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-28 03:08:34,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-28 03:08:34,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-28 03:08:34,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-28 03:08:34,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-11-28 03:08:34,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-11-28 03:08:34,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-11-28 03:08:34,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-11-28 03:08:34,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-11-28 03:08:34,641 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-11-28 03:08:34,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-11-28 03:08:34,642 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2024-11-28 03:08:34,642 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2024-11-28 03:08:34,642 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_nway_reset [2024-11-28 03:08:34,642 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_nway_reset [2024-11-28 03:08:34,642 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_reset [2024-11-28 03:08:34,642 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_reset [2024-11-28 03:08:34,645 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_write_posted_mbx [2024-11-28 03:08:34,645 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_write_posted_mbx [2024-11-28 03:08:34,645 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2024-11-28 03:08:34,645 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2024-11-28 03:08:34,646 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_irq_enable [2024-11-28 03:08:34,646 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_irq_enable [2024-11-28 03:08:34,646 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2024-11-28 03:08:34,646 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2024-11-28 03:08:34,649 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2024-11-28 03:08:34,649 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2024-11-28 03:08:34,649 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_reinit_locked [2024-11-28 03:08:34,649 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_reinit_locked [2024-11-28 03:08:34,649 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2024-11-28 03:08:34,649 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2024-11-28 03:08:34,650 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2024-11-28 03:08:34,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2024-11-28 03:08:34,650 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_update_stats [2024-11-28 03:08:34,650 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_update_stats [2024-11-28 03:08:34,650 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_vlan_rx_add_vid [2024-11-28 03:08:34,650 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_vlan_rx_add_vid [2024-11-28 03:08:34,650 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2024-11-28 03:08:34,650 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2024-11-28 03:08:34,650 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2024-11-28 03:08:34,650 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2024-11-28 03:08:34,650 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_for_bit_vf [2024-11-28 03:08:34,650 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_for_bit_vf [2024-11-28 03:08:34,650 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_init_hw_vf [2024-11-28 03:08:34,650 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_init_hw_vf [2024-11-28 03:08:34,650 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 03:08:34,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 03:08:34,650 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2024-11-28 03:08:34,650 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2024-11-28 03:08:34,650 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_poll_for_ack [2024-11-28 03:08:34,650 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_poll_for_ack [2024-11-28 03:08:34,650 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2024-11-28 03:08:34,651 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2024-11-28 03:08:34,651 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-28 03:08:34,651 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-28 03:08:34,651 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-28 03:08:34,651 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-28 03:08:34,651 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-28 03:08:34,651 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-28 03:08:34,651 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-28 03:08:34,651 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-11-28 03:08:34,651 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-11-28 03:08:34,651 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-11-28 03:08:34,651 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-11-28 03:08:34,651 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-11-28 03:08:34,651 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2024-11-28 03:08:34,651 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2024-11-28 03:08:34,651 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2024-11-28 03:08:34,651 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2024-11-28 03:08:34,651 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#16 [2024-11-28 03:08:34,651 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#17 [2024-11-28 03:08:34,651 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#18 [2024-11-28 03:08:34,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-28 03:08:34,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-28 03:08:34,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-28 03:08:34,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-28 03:08:34,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-28 03:08:34,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-28 03:08:34,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-28 03:08:34,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-28 03:08:34,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-28 03:08:34,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-28 03:08:34,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-28 03:08:34,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-28 03:08:34,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-28 03:08:34,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-11-28 03:08:34,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-11-28 03:08:34,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-11-28 03:08:34,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-11-28 03:08:34,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2024-11-28 03:08:34,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2024-11-28 03:08:34,657 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-28 03:08:34,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-28 03:08:34,658 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2024-11-28 03:08:34,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2024-11-28 03:08:34,658 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_rar_set_vf [2024-11-28 03:08:34,658 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_rar_set_vf [2024-11-28 03:08:34,658 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2024-11-28 03:08:34,658 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2024-11-28 03:08:34,658 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2024-11-28 03:08:34,659 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2024-11-28 03:08:34,659 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2024-11-28 03:08:34,659 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2024-11-28 03:08:34,659 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_down [2024-11-28 03:08:34,659 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_down [2024-11-28 03:08:34,659 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2024-11-28 03:08:34,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2024-11-28 03:08:34,659 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_get_regs_len [2024-11-28 03:08:34,659 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_get_regs_len [2024-11-28 03:08:34,659 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_free_irq [2024-11-28 03:08:34,659 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_free_irq [2024-11-28 03:08:34,660 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2024-11-28 03:08:34,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2024-11-28 03:08:34,660 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2024-11-28 03:08:34,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2024-11-28 03:08:34,660 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_for_link_vf [2024-11-28 03:08:34,660 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_for_link_vf [2024-11-28 03:08:34,660 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2024-11-28 03:08:34,660 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2024-11-28 03:08:34,660 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-28 03:08:34,660 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-28 03:08:34,660 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-28 03:08:34,660 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-11-28 03:08:34,660 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-11-28 03:08:34,661 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-11-28 03:08:34,661 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-11-28 03:08:34,661 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-11-28 03:08:34,661 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2024-11-28 03:08:34,661 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2024-11-28 03:08:34,661 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2024-11-28 03:08:34,661 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2024-11-28 03:08:34,661 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2024-11-28 03:08:34,661 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2024-11-28 03:08:34,661 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#14 [2024-11-28 03:08:34,661 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#15 [2024-11-28 03:08:34,661 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#16 [2024-11-28 03:08:34,661 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#17 [2024-11-28 03:08:34,661 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#18 [2024-11-28 03:08:34,661 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-28 03:08:34,661 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-28 03:08:34,662 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-28 03:08:34,662 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-11-28 03:08:34,662 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-11-28 03:08:34,662 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-11-28 03:08:34,662 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-11-28 03:08:34,662 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-11-28 03:08:34,662 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2024-11-28 03:08:34,662 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2024-11-28 03:08:34,662 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2024-11-28 03:08:34,662 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2024-11-28 03:08:34,662 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2024-11-28 03:08:34,662 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2024-11-28 03:08:34,662 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#14 [2024-11-28 03:08:34,662 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#15 [2024-11-28 03:08:34,662 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#16 [2024-11-28 03:08:34,662 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#17 [2024-11-28 03:08:34,662 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#18 [2024-11-28 03:08:34,662 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2024-11-28 03:08:34,662 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2024-11-28 03:08:34,662 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_clean_tx_ring [2024-11-28 03:08:34,662 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_clean_tx_ring [2024-11-28 03:08:34,662 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_read_v2p_mailbox [2024-11-28 03:08:34,662 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_read_v2p_mailbox [2024-11-28 03:08:34,663 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2024-11-28 03:08:34,663 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2024-11-28 03:08:34,663 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2024-11-28 03:08:34,663 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2024-11-28 03:08:34,663 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2024-11-28 03:08:34,663 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2024-11-28 03:08:34,663 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-28 03:08:34,663 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2024-11-28 03:08:34,663 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2024-11-28 03:08:34,663 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_remove [2024-11-28 03:08:34,663 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_remove [2024-11-28 03:08:34,663 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2024-11-28 03:08:34,663 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2024-11-28 03:08:34,663 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2024-11-28 03:08:34,663 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2024-11-28 03:08:34,663 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_irq_disable [2024-11-28 03:08:34,663 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_irq_disable [2024-11-28 03:08:34,663 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-28 03:08:34,663 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-28 03:08:34,663 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-28 03:08:34,663 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-28 03:08:34,663 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-28 03:08:34,663 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-28 03:08:34,663 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-28 03:08:34,664 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-28 03:08:34,664 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-28 03:08:34,664 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-28 03:08:34,664 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-28 03:08:34,664 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-28 03:08:34,664 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-28 03:08:34,664 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-28 03:08:34,664 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-28 03:08:34,664 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-11-28 03:08:34,664 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-11-28 03:08:34,664 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-11-28 03:08:34,664 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-11-28 03:08:34,664 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_configure [2024-11-28 03:08:34,664 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_configure [2024-11-28 03:08:34,664 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_setup_rx_resources [2024-11-28 03:08:34,664 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_setup_rx_resources [2024-11-28 03:08:34,664 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_clean_rx_ring [2024-11-28 03:08:34,664 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_clean_rx_ring [2024-11-28 03:08:34,664 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~~s32~0 [2024-11-28 03:08:34,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~~s32~0 [2024-11-28 03:08:34,664 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_obtain_mbx_lock_vf [2024-11-28 03:08:34,664 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_obtain_mbx_lock_vf [2024-11-28 03:08:34,664 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2024-11-28 03:08:34,665 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2024-11-28 03:08:34,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-28 03:08:34,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-28 03:08:34,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-28 03:08:34,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-28 03:08:34,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-28 03:08:34,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-28 03:08:34,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-28 03:08:34,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-28 03:08:34,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-28 03:08:34,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-28 03:08:34,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-28 03:08:34,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-11-28 03:08:34,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-11-28 03:08:34,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-11-28 03:08:34,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-11-28 03:08:34,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-11-28 03:08:34,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-11-28 03:08:34,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2024-11-28 03:08:34,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2024-11-28 03:08:34,672 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-28 03:08:34,673 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-28 03:08:34,673 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-11-28 03:08:34,673 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-11-28 03:08:34,673 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_for_ack_vf [2024-11-28 03:08:34,673 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_for_ack_vf [2024-11-28 03:08:34,673 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2024-11-28 03:08:34,673 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2024-11-28 03:08:34,673 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2024-11-28 03:08:34,673 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2024-11-28 03:08:34,673 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2024-11-28 03:08:34,673 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2024-11-28 03:08:34,673 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2024-11-28 03:08:34,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2024-11-28 03:08:34,673 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_request_irq [2024-11-28 03:08:34,673 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_request_irq [2024-11-28 03:08:34,673 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_resume [2024-11-28 03:08:34,673 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_resume [2024-11-28 03:08:34,673 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2024-11-28 03:08:34,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2024-11-28 03:08:34,673 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2024-11-28 03:08:34,673 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2024-11-28 03:08:34,673 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2024-11-28 03:08:34,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2024-11-28 03:08:34,673 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_put_txbuf [2024-11-28 03:08:34,673 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_put_txbuf [2024-11-28 03:08:34,674 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~u16~0~TO~~s32~0 [2024-11-28 03:08:34,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~u16~0~TO~~s32~0 [2024-11-28 03:08:34,674 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_poll_for_msg [2024-11-28 03:08:34,674 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_poll_for_msg [2024-11-28 03:08:34,674 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_array [2024-11-28 03:08:34,674 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_array [2024-11-28 03:08:34,674 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2024-11-28 03:08:34,674 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2024-11-28 03:08:34,674 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2024-11-28 03:08:34,674 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2024-11-28 03:08:34,674 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2024-11-28 03:08:34,674 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2024-11-28 03:08:34,674 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_shutdown [2024-11-28 03:08:34,674 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_shutdown [2024-11-28 03:08:34,674 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2024-11-28 03:08:34,674 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2024-11-28 03:08:34,674 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2024-11-28 03:08:34,674 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2024-11-28 03:08:34,674 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_setup_tx_resources [2024-11-28 03:08:34,674 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_setup_tx_resources [2024-11-28 03:08:34,674 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-28 03:08:34,674 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-28 03:08:34,674 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_get_eeprom_len [2024-11-28 03:08:34,675 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_get_eeprom_len [2024-11-28 03:08:34,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-28 03:08:34,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-28 03:08:34,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-28 03:08:34,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-28 03:08:34,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-28 03:08:34,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-28 03:08:34,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-28 03:08:34,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-28 03:08:34,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-28 03:08:34,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-28 03:08:34,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-28 03:08:34,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-28 03:08:34,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-28 03:08:34,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-28 03:08:34,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-28 03:08:34,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-28 03:08:34,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-11-28 03:08:34,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-11-28 03:08:34,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-11-28 03:08:34,681 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u16~0~X~~bool~0~TO~~s32~0 [2024-11-28 03:08:34,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u16~0~X~~bool~0~TO~~s32~0 [2024-11-28 03:08:34,681 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-28 03:08:34,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-28 03:08:34,681 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2024-11-28 03:08:34,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2024-11-28 03:08:34,681 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device_mem [2024-11-28 03:08:34,681 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device_mem [2024-11-28 03:08:34,681 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2024-11-28 03:08:34,681 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2024-11-28 03:08:34,681 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2024-11-28 03:08:34,681 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2024-11-28 03:08:34,681 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask_and_coherent [2024-11-28 03:08:34,681 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask_and_coherent [2024-11-28 03:08:34,681 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_io_resume [2024-11-28 03:08:34,681 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_io_resume [2024-11-28 03:08:34,681 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_free_rx_resources [2024-11-28 03:08:34,681 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_free_rx_resources [2024-11-28 03:08:34,681 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_2_6 [2024-11-28 03:08:34,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_2_6 [2024-11-28 03:08:34,681 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_set_multi [2024-11-28 03:08:34,681 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_set_multi [2024-11-28 03:08:34,682 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2024-11-28 03:08:34,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2024-11-28 03:08:34,682 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_tx_timeout [2024-11-28 03:08:34,682 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_tx_timeout [2024-11-28 03:08:34,682 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2024-11-28 03:08:34,682 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2024-11-28 03:08:34,682 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2024-11-28 03:08:34,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2024-11-28 03:08:34,682 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_read_posted_mbx [2024-11-28 03:08:34,682 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_read_posted_mbx [2024-11-28 03:08:34,682 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_6 [2024-11-28 03:08:34,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_6 [2024-11-28 03:08:34,682 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2024-11-28 03:08:34,682 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2024-11-28 03:08:34,682 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_up [2024-11-28 03:08:34,682 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_up [2024-11-28 03:08:34,682 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2024-11-28 03:08:34,682 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2024-11-28 03:08:34,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 03:08:34,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-28 03:08:34,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-28 03:08:34,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-28 03:08:34,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-28 03:08:34,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-28 03:08:34,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-28 03:08:34,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-28 03:08:34,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-28 03:08:34,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-28 03:08:34,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-28 03:08:34,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-28 03:08:34,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-28 03:08:34,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-28 03:08:34,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-28 03:08:34,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-28 03:08:34,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-28 03:08:34,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-11-28 03:08:34,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-11-28 03:08:34,688 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2024-11-28 03:08:34,688 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2024-11-28 03:08:34,688 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2024-11-28 03:08:34,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2024-11-28 03:08:36,612 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 03:08:36,617 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 03:09:01,396 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2024-11-28 03:09:02,664 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-28 03:09:15,837 INFO L? ?]: Removed 4480 outVars from TransFormulas that were not future-live. [2024-11-28 03:09:15,837 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 03:09:15,932 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 03:09:15,936 INFO L312 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-28 03:09:15,936 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:09:15 BoogieIcfgContainer [2024-11-28 03:09:15,938 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 03:09:15,940 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 03:09:15,940 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 03:09:15,947 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 03:09:15,947 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:08:21" (1/3) ... [2024-11-28 03:09:15,948 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44bc2c48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:09:15, skipping insertion in model container [2024-11-28 03:09:15,949 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:08:28" (2/3) ... [2024-11-28 03:09:15,949 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44bc2c48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:09:15, skipping insertion in model container [2024-11-28 03:09:15,949 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:09:15" (3/3) ... [2024-11-28 03:09:15,950 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-igbvf-igbvf.cil.i [2024-11-28 03:09:15,970 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 03:09:15,974 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-igbvf-igbvf.cil.i that has 201 procedures, 3626 locations, 1 initial locations, 60 loop locations, and 1 error locations. [2024-11-28 03:09:16,156 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 03:09:16,175 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@f4b6b50, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 03:09:16,176 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 03:09:16,194 INFO L276 IsEmpty]: Start isEmpty. Operand has 3462 states, 2496 states have (on average 1.3032852564102564) internal successors, (3253), 2537 states have internal predecessors, (3253), 802 states have call successors, (802), 164 states have call predecessors, (802), 163 states have return successors, (794), 780 states have call predecessors, (794), 794 states have call successors, (794) [2024-11-28 03:09:16,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2024-11-28 03:09:16,244 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:09:16,246 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 24, 24, 24, 24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:09:16,246 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_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:09:16,253 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:09:16,253 INFO L85 PathProgramCache]: Analyzing trace with hash -1196498022, now seen corresponding path program 1 times [2024-11-28 03:09:16,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:09:16,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [138273921] [2024-11-28 03:09:16,263 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:09:16,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:10:31,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:10:33,420 INFO L134 CoverageAnalysis]: Checked inductivity of 2556 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2556 trivial. 0 not checked. [2024-11-28 03:10:33,421 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:10:33,421 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [138273921] [2024-11-28 03:10:33,422 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [138273921] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:10:33,422 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:10:33,423 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:10:33,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1394776843] [2024-11-28 03:10:33,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:10:33,431 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:10:33,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:10:33,462 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:10:33,463 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:10:33,472 INFO L87 Difference]: Start difference. First operand has 3462 states, 2496 states have (on average 1.3032852564102564) internal successors, (3253), 2537 states have internal predecessors, (3253), 802 states have call successors, (802), 164 states have call predecessors, (802), 163 states have return successors, (794), 780 states have call predecessors, (794), 794 states have call successors, (794) Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2024-11-28 03:10:37,674 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:10:39,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:10:39,133 INFO L93 Difference]: Finished difference Result 10180 states and 14515 transitions. [2024-11-28 03:10:39,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:10:39,136 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 292 [2024-11-28 03:10:39,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:10:39,219 INFO L225 Difference]: With dead ends: 10180 [2024-11-28 03:10:39,220 INFO L226 Difference]: Without dead ends: 6757 [2024-11-28 03:10:39,248 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:10:39,252 INFO L435 NwaCegarLoop]: 4808 mSDtfsCounter, 4614 mSDsluCounter, 4732 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4614 SdHoareTripleChecker+Valid, 9540 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:10:39,252 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4614 Valid, 9540 Invalid, 34 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 26 Invalid, 1 Unknown, 0 Unchecked, 5.0s Time] [2024-11-28 03:10:39,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6757 states. [2024-11-28 03:10:39,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6757 to 6757. [2024-11-28 03:10:39,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6757 states, 4906 states have (on average 1.2823073787199348) internal successors, (6291), 4985 states have internal predecessors, (6291), 1528 states have call successors, (1528), 323 states have call predecessors, (1528), 322 states have return successors, (1524), 1496 states have call predecessors, (1524), 1524 states have call successors, (1524) [2024-11-28 03:10:39,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6757 states to 6757 states and 9343 transitions. [2024-11-28 03:10:39,935 INFO L78 Accepts]: Start accepts. Automaton has 6757 states and 9343 transitions. Word has length 292 [2024-11-28 03:10:39,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:10:39,938 INFO L471 AbstractCegarLoop]: Abstraction has 6757 states and 9343 transitions. [2024-11-28 03:10:39,939 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2024-11-28 03:10:39,939 INFO L276 IsEmpty]: Start isEmpty. Operand 6757 states and 9343 transitions. [2024-11-28 03:10:39,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 359 [2024-11-28 03:10:39,972 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:10:39,972 INFO L218 NwaCegarLoop]: trace histogram [28, 28, 24, 24, 24, 24, 24, 24, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:10:39,973 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 03:10:39,973 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:10:39,974 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:10:39,974 INFO L85 PathProgramCache]: Analyzing trace with hash -60460255, now seen corresponding path program 1 times [2024-11-28 03:10:39,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:10:39,974 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1075906598] [2024-11-28 03:10:39,975 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:10:39,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:11:57,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:12:01,049 INFO L134 CoverageAnalysis]: Checked inductivity of 2827 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2827 trivial. 0 not checked. [2024-11-28 03:12:01,051 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:12:01,051 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1075906598] [2024-11-28 03:12:01,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1075906598] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:12:01,052 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:12:01,052 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 03:12:01,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [937607222] [2024-11-28 03:12:01,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:12:01,054 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:12:01,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:12:01,055 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:12:01,059 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:12:01,059 INFO L87 Difference]: Start difference. First operand 6757 states and 9343 transitions. Second operand has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2024-11-28 03:12:01,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:12:01,943 INFO L93 Difference]: Finished difference Result 6763 states and 9348 transitions. [2024-11-28 03:12:01,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:12:01,944 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) Word has length 358 [2024-11-28 03:12:01,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:12:02,012 INFO L225 Difference]: With dead ends: 6763 [2024-11-28 03:12:02,012 INFO L226 Difference]: Without dead ends: 6761 [2024-11-28 03:12:02,019 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-28 03:12:02,021 INFO L435 NwaCegarLoop]: 4767 mSDtfsCounter, 4685 mSDsluCounter, 9519 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4686 SdHoareTripleChecker+Valid, 14286 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 03:12:02,021 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4686 Valid, 14286 Invalid, 23 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 03:12:02,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6761 states. [2024-11-28 03:12:02,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6761 to 6761. [2024-11-28 03:12:02,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6761 states, 4909 states have (on average 1.2821348543491546) internal successors, (6294), 4988 states have internal predecessors, (6294), 1528 states have call successors, (1528), 324 states have call predecessors, (1528), 323 states have return successors, (1524), 1496 states have call predecessors, (1524), 1524 states have call successors, (1524) [2024-11-28 03:12:02,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6761 states to 6761 states and 9346 transitions. [2024-11-28 03:12:02,530 INFO L78 Accepts]: Start accepts. Automaton has 6761 states and 9346 transitions. Word has length 358 [2024-11-28 03:12:02,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:12:02,532 INFO L471 AbstractCegarLoop]: Abstraction has 6761 states and 9346 transitions. [2024-11-28 03:12:02,532 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2024-11-28 03:12:02,532 INFO L276 IsEmpty]: Start isEmpty. Operand 6761 states and 9346 transitions. [2024-11-28 03:12:02,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 364 [2024-11-28 03:12:02,557 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:12:02,558 INFO L218 NwaCegarLoop]: trace histogram [28, 28, 24, 24, 24, 24, 24, 24, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:12:02,558 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 03:12:02,558 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:12:02,560 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:12:02,561 INFO L85 PathProgramCache]: Analyzing trace with hash 1359933363, now seen corresponding path program 1 times [2024-11-28 03:12:02,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:12:02,561 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1865036145] [2024-11-28 03:12:02,561 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:12:02,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:13:17,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:13:20,082 INFO L134 CoverageAnalysis]: Checked inductivity of 2829 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2827 trivial. 0 not checked. [2024-11-28 03:13:20,082 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:13:20,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1865036145] [2024-11-28 03:13:20,082 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1865036145] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:13:20,082 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:13:20,083 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 03:13:20,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [144627399] [2024-11-28 03:13:20,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:13:20,084 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:13:20,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:13:20,086 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:13:20,086 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:13:20,086 INFO L87 Difference]: Start difference. First operand 6761 states and 9346 transitions. Second operand has 5 states, 5 states have (on average 15.2) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (38), 3 states have call predecessors, (38), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2024-11-28 03:13:20,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:13:20,995 INFO L93 Difference]: Finished difference Result 6767 states and 9351 transitions. [2024-11-28 03:13:20,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:13:20,996 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (38), 3 states have call predecessors, (38), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 363 [2024-11-28 03:13:21,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:13:21,058 INFO L225 Difference]: With dead ends: 6767 [2024-11-28 03:13:21,058 INFO L226 Difference]: Without dead ends: 6765 [2024-11-28 03:13:21,065 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-28 03:13:21,067 INFO L435 NwaCegarLoop]: 4770 mSDtfsCounter, 4681 mSDsluCounter, 9520 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4682 SdHoareTripleChecker+Valid, 14290 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 03:13:21,069 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4682 Valid, 14290 Invalid, 24 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 03:13:21,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6765 states. [2024-11-28 03:13:21,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6765 to 6765. [2024-11-28 03:13:21,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6765 states, 4912 states have (on average 1.2819625407166124) internal successors, (6297), 4991 states have internal predecessors, (6297), 1528 states have call successors, (1528), 325 states have call predecessors, (1528), 324 states have return successors, (1524), 1496 states have call predecessors, (1524), 1524 states have call successors, (1524) [2024-11-28 03:13:21,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6765 states to 6765 states and 9349 transitions. [2024-11-28 03:13:21,577 INFO L78 Accepts]: Start accepts. Automaton has 6765 states and 9349 transitions. Word has length 363 [2024-11-28 03:13:21,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:13:21,579 INFO L471 AbstractCegarLoop]: Abstraction has 6765 states and 9349 transitions. [2024-11-28 03:13:21,580 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (38), 3 states have call predecessors, (38), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2024-11-28 03:13:21,581 INFO L276 IsEmpty]: Start isEmpty. Operand 6765 states and 9349 transitions. [2024-11-28 03:13:21,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 369 [2024-11-28 03:13:21,602 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:13:21,602 INFO L218 NwaCegarLoop]: trace histogram [28, 28, 24, 24, 24, 24, 24, 24, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:13:21,602 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 03:13:21,603 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:13:21,604 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:13:21,605 INFO L85 PathProgramCache]: Analyzing trace with hash 271816225, now seen corresponding path program 1 times [2024-11-28 03:13:21,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:13:21,605 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [712894485] [2024-11-28 03:13:21,605 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:13:21,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:14:32,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:14:35,438 INFO L134 CoverageAnalysis]: Checked inductivity of 2835 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2831 trivial. 0 not checked. [2024-11-28 03:14:35,440 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:14:35,440 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [712894485] [2024-11-28 03:14:35,441 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [712894485] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:14:35,441 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:14:35,441 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 03:14:35,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809614924] [2024-11-28 03:14:35,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:14:35,442 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:14:35,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:14:35,443 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:14:35,443 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:14:35,443 INFO L87 Difference]: Start difference. First operand 6765 states and 9349 transitions. Second operand has 5 states, 5 states have (on average 15.2) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (39), 3 states have call predecessors, (39), 1 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2024-11-28 03:14:36,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:14:36,316 INFO L93 Difference]: Finished difference Result 6771 states and 9354 transitions. [2024-11-28 03:14:36,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:14:36,316 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (39), 3 states have call predecessors, (39), 1 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) Word has length 368 [2024-11-28 03:14:36,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:14:36,385 INFO L225 Difference]: With dead ends: 6771 [2024-11-28 03:14:36,386 INFO L226 Difference]: Without dead ends: 6769 [2024-11-28 03:14:36,392 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-28 03:14:36,394 INFO L435 NwaCegarLoop]: 4770 mSDtfsCounter, 4680 mSDsluCounter, 9520 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4681 SdHoareTripleChecker+Valid, 14290 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 03:14:36,395 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4681 Valid, 14290 Invalid, 24 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 03:14:36,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6769 states. [2024-11-28 03:14:36,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6769 to 6769. [2024-11-28 03:14:36,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6769 states, 4915 states have (on average 1.281790437436419) internal successors, (6300), 4994 states have internal predecessors, (6300), 1528 states have call successors, (1528), 326 states have call predecessors, (1528), 325 states have return successors, (1524), 1496 states have call predecessors, (1524), 1524 states have call successors, (1524) [2024-11-28 03:14:36,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6769 states to 6769 states and 9352 transitions. [2024-11-28 03:14:36,785 INFO L78 Accepts]: Start accepts. Automaton has 6769 states and 9352 transitions. Word has length 368 [2024-11-28 03:14:36,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:14:36,786 INFO L471 AbstractCegarLoop]: Abstraction has 6769 states and 9352 transitions. [2024-11-28 03:14:36,786 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (39), 3 states have call predecessors, (39), 1 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2024-11-28 03:14:36,786 INFO L276 IsEmpty]: Start isEmpty. Operand 6769 states and 9352 transitions. [2024-11-28 03:14:36,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 385 [2024-11-28 03:14:36,807 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:14:36,807 INFO L218 NwaCegarLoop]: trace histogram [28, 28, 24, 24, 24, 24, 24, 24, 5, 5, 5, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:14:36,807 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 03:14:36,808 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:14:36,808 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:14:36,808 INFO L85 PathProgramCache]: Analyzing trace with hash 135386251, now seen corresponding path program 1 times [2024-11-28 03:14:36,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:14:36,809 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [505269861] [2024-11-28 03:14:36,809 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:14:36,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:15:43,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:15:44,347 INFO L134 CoverageAnalysis]: Checked inductivity of 2856 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 2845 trivial. 0 not checked. [2024-11-28 03:15:44,348 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:15:44,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [505269861] [2024-11-28 03:15:44,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [505269861] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:15:44,348 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:15:44,348 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:15:44,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1509264946] [2024-11-28 03:15:44,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:15:44,349 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:15:44,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:15:44,351 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:15:44,352 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:15:44,352 INFO L87 Difference]: Start difference. First operand 6769 states and 9352 transitions. Second operand has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 3 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (41), 3 states have call predecessors, (41), 3 states have call successors, (41) [2024-11-28 03:15:48,502 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:15:49,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:15:49,850 INFO L93 Difference]: Finished difference Result 13532 states and 18686 transitions. [2024-11-28 03:15:49,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:15:49,851 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 3 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (41), 3 states have call predecessors, (41), 3 states have call successors, (41) Word has length 384 [2024-11-28 03:15:49,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:15:49,936 INFO L225 Difference]: With dead ends: 13532 [2024-11-28 03:15:49,936 INFO L226 Difference]: Without dead ends: 10113 [2024-11-28 03:15:49,960 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:15:49,962 INFO L435 NwaCegarLoop]: 9335 mSDtfsCounter, 4603 mSDsluCounter, 4745 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4603 SdHoareTripleChecker+Valid, 14080 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:15:49,963 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4603 Valid, 14080 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 25 Invalid, 1 Unknown, 0 Unchecked, 5.0s Time] [2024-11-28 03:15:49,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10113 states. [2024-11-28 03:15:50,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10113 to 10081. [2024-11-28 03:15:50,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10081 states, 7333 states have (on average 1.2825582981044592) internal successors, (9405), 7450 states have internal predecessors, (9405), 2262 states have call successors, (2262), 486 states have call predecessors, (2262), 485 states have return successors, (2258), 2216 states have call predecessors, (2258), 2258 states have call successors, (2258) [2024-11-28 03:15:50,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10081 states to 10081 states and 13925 transitions. [2024-11-28 03:15:50,605 INFO L78 Accepts]: Start accepts. Automaton has 10081 states and 13925 transitions. Word has length 384 [2024-11-28 03:15:50,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:15:50,606 INFO L471 AbstractCegarLoop]: Abstraction has 10081 states and 13925 transitions. [2024-11-28 03:15:50,606 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 3 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (41), 3 states have call predecessors, (41), 3 states have call successors, (41) [2024-11-28 03:15:50,606 INFO L276 IsEmpty]: Start isEmpty. Operand 10081 states and 13925 transitions. [2024-11-28 03:15:50,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 385 [2024-11-28 03:15:50,635 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:15:50,635 INFO L218 NwaCegarLoop]: trace histogram [28, 28, 24, 24, 24, 24, 24, 24, 5, 5, 5, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:15:50,636 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 03:15:50,636 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_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:15:50,636 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:15:50,637 INFO L85 PathProgramCache]: Analyzing trace with hash -2130994935, now seen corresponding path program 1 times [2024-11-28 03:15:50,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:15:50,637 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1120149058] [2024-11-28 03:15:50,637 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:15:50,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:17:02,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:17:03,472 INFO L134 CoverageAnalysis]: Checked inductivity of 2856 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 2845 trivial. 0 not checked. [2024-11-28 03:17:03,472 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:17:03,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1120149058] [2024-11-28 03:17:03,473 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1120149058] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:17:03,473 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:17:03,473 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:17:03,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1100937047] [2024-11-28 03:17:03,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:17:03,474 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:17:03,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:17:03,475 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:17:03,475 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:17:03,475 INFO L87 Difference]: Start difference. First operand 10081 states and 13925 transitions. Second operand has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 3 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (41), 3 states have call predecessors, (41), 3 states have call successors, (41) [2024-11-28 03:17:07,663 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:17:09,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:17:09,089 INFO L93 Difference]: Finished difference Result 20123 states and 27789 transitions. [2024-11-28 03:17:09,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:17:09,089 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 3 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (41), 3 states have call predecessors, (41), 3 states have call successors, (41) Word has length 384 [2024-11-28 03:17:09,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:17:09,191 INFO L225 Difference]: With dead ends: 20123 [2024-11-28 03:17:09,191 INFO L226 Difference]: Without dead ends: 13392 [2024-11-28 03:17:09,229 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:17:09,231 INFO L435 NwaCegarLoop]: 9336 mSDtfsCounter, 4572 mSDsluCounter, 4743 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4572 SdHoareTripleChecker+Valid, 14079 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:17:09,231 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4572 Valid, 14079 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 24 Invalid, 1 Unknown, 0 Unchecked, 5.0s Time] [2024-11-28 03:17:09,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13392 states. [2024-11-28 03:17:10,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13392 to 13392. [2024-11-28 03:17:10,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13392 states, 9750 states have (on average 1.282974358974359) internal successors, (12509), 9905 states have internal predecessors, (12509), 2996 states have call successors, (2996), 646 states have call predecessors, (2996), 645 states have return successors, (2992), 2936 states have call predecessors, (2992), 2992 states have call successors, (2992) [2024-11-28 03:17:10,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13392 states to 13392 states and 18497 transitions. [2024-11-28 03:17:10,120 INFO L78 Accepts]: Start accepts. Automaton has 13392 states and 18497 transitions. Word has length 384 [2024-11-28 03:17:10,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:17:10,121 INFO L471 AbstractCegarLoop]: Abstraction has 13392 states and 18497 transitions. [2024-11-28 03:17:10,121 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 3 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (41), 3 states have call predecessors, (41), 3 states have call successors, (41) [2024-11-28 03:17:10,122 INFO L276 IsEmpty]: Start isEmpty. Operand 13392 states and 18497 transitions. [2024-11-28 03:17:10,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 374 [2024-11-28 03:17:10,143 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:17:10,143 INFO L218 NwaCegarLoop]: trace histogram [28, 28, 24, 24, 24, 24, 24, 24, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:17:10,143 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-28 03:17:10,144 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_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:17:10,144 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:17:10,144 INFO L85 PathProgramCache]: Analyzing trace with hash 668523571, now seen corresponding path program 1 times [2024-11-28 03:17:10,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:17:10,145 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2068247477] [2024-11-28 03:17:10,145 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:17:10,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:18:26,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:18:28,877 INFO L134 CoverageAnalysis]: Checked inductivity of 2845 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2839 trivial. 0 not checked. [2024-11-28 03:18:28,877 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:18:28,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2068247477] [2024-11-28 03:18:28,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2068247477] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:18:28,878 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:18:28,878 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 03:18:28,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395265584] [2024-11-28 03:18:28,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:18:28,879 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:18:28,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:18:28,879 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:18:28,879 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:18:28,880 INFO L87 Difference]: Start difference. First operand 13392 states and 18497 transitions. Second operand has 5 states, 5 states have (on average 15.2) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (40), 3 states have call predecessors, (40), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2024-11-28 03:18:30,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:18:30,046 INFO L93 Difference]: Finished difference Result 13398 states and 18502 transitions. [2024-11-28 03:18:30,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:18:30,047 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (40), 3 states have call predecessors, (40), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) Word has length 373 [2024-11-28 03:18:30,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:18:30,142 INFO L225 Difference]: With dead ends: 13398 [2024-11-28 03:18:30,142 INFO L226 Difference]: Without dead ends: 13396 [2024-11-28 03:18:30,154 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-28 03:18:30,157 INFO L435 NwaCegarLoop]: 4770 mSDtfsCounter, 4679 mSDsluCounter, 9520 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4680 SdHoareTripleChecker+Valid, 14290 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 03:18:30,158 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4680 Valid, 14290 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 03:18:30,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13396 states. [2024-11-28 03:18:31,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13396 to 13396. [2024-11-28 03:18:31,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13396 states, 9753 states have (on average 1.2828873167230597) internal successors, (12512), 9908 states have internal predecessors, (12512), 2996 states have call successors, (2996), 647 states have call predecessors, (2996), 646 states have return successors, (2992), 2936 states have call predecessors, (2992), 2992 states have call successors, (2992) [2024-11-28 03:18:31,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13396 states to 13396 states and 18500 transitions. [2024-11-28 03:18:31,165 INFO L78 Accepts]: Start accepts. Automaton has 13396 states and 18500 transitions. Word has length 373 [2024-11-28 03:18:31,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:18:31,167 INFO L471 AbstractCegarLoop]: Abstraction has 13396 states and 18500 transitions. [2024-11-28 03:18:31,167 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (40), 3 states have call predecessors, (40), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2024-11-28 03:18:31,167 INFO L276 IsEmpty]: Start isEmpty. Operand 13396 states and 18500 transitions. [2024-11-28 03:18:31,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 379 [2024-11-28 03:18:31,191 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:18:31,192 INFO L218 NwaCegarLoop]: trace histogram [28, 28, 24, 24, 24, 24, 24, 24, 5, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:18:31,192 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-28 03:18:31,192 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:18:31,192 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:18:31,193 INFO L85 PathProgramCache]: Analyzing trace with hash -1587304159, now seen corresponding path program 1 times [2024-11-28 03:18:31,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:18:31,193 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [428729469] [2024-11-28 03:18:31,193 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:18:31,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:19:43,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:19:44,891 INFO L134 CoverageAnalysis]: Checked inductivity of 2859 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2851 trivial. 0 not checked. [2024-11-28 03:19:44,891 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:19:44,892 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [428729469] [2024-11-28 03:19:44,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [428729469] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:19:44,892 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:19:44,892 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 03:19:44,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [788382375] [2024-11-28 03:19:44,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:19:44,893 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:19:44,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:19:44,893 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:19:44,893 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:19:44,894 INFO L87 Difference]: Start difference. First operand 13396 states and 18500 transitions. Second operand has 5 states, 5 states have (on average 15.2) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (41), 3 states have call predecessors, (41), 1 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2024-11-28 03:19:45,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:19:45,884 INFO L93 Difference]: Finished difference Result 13402 states and 18505 transitions. [2024-11-28 03:19:45,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:19:45,885 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (41), 3 states have call predecessors, (41), 1 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) Word has length 378 [2024-11-28 03:19:45,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:19:45,968 INFO L225 Difference]: With dead ends: 13402 [2024-11-28 03:19:45,969 INFO L226 Difference]: Without dead ends: 13400 [2024-11-28 03:19:45,980 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-28 03:19:45,981 INFO L435 NwaCegarLoop]: 4770 mSDtfsCounter, 4678 mSDsluCounter, 9520 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4679 SdHoareTripleChecker+Valid, 14290 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 03:19:45,981 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4679 Valid, 14290 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 03:19:45,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13400 states. [2024-11-28 03:19:46,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13400 to 13400. [2024-11-28 03:19:46,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13400 states, 9756 states have (on average 1.28280032800328) internal successors, (12515), 9911 states have internal predecessors, (12515), 2996 states have call successors, (2996), 648 states have call predecessors, (2996), 647 states have return successors, (2992), 2936 states have call predecessors, (2992), 2992 states have call successors, (2992) [2024-11-28 03:19:46,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13400 states to 13400 states and 18503 transitions. [2024-11-28 03:19:46,814 INFO L78 Accepts]: Start accepts. Automaton has 13400 states and 18503 transitions. Word has length 378 [2024-11-28 03:19:46,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:19:46,815 INFO L471 AbstractCegarLoop]: Abstraction has 13400 states and 18503 transitions. [2024-11-28 03:19:46,815 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (41), 3 states have call predecessors, (41), 1 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2024-11-28 03:19:46,815 INFO L276 IsEmpty]: Start isEmpty. Operand 13400 states and 18503 transitions. [2024-11-28 03:19:46,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 384 [2024-11-28 03:19:46,835 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:19:46,836 INFO L218 NwaCegarLoop]: trace histogram [28, 28, 24, 24, 24, 24, 24, 24, 6, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:19:46,837 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-28 03:19:46,837 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:19:46,837 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:19:46,838 INFO L85 PathProgramCache]: Analyzing trace with hash 1089919155, now seen corresponding path program 1 times [2024-11-28 03:19:46,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:19:46,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1027741556] [2024-11-28 03:19:46,838 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:19:46,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:20:57,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:20:58,673 INFO L134 CoverageAnalysis]: Checked inductivity of 2877 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2867 trivial. 0 not checked. [2024-11-28 03:20:58,673 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:20:58,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1027741556] [2024-11-28 03:20:58,674 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1027741556] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:20:58,674 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:20:58,674 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 03:20:58,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1781694281] [2024-11-28 03:20:58,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:20:58,675 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:20:58,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:20:58,675 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:20:58,676 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:20:58,676 INFO L87 Difference]: Start difference. First operand 13400 states and 18503 transitions. Second operand has 5 states, 5 states have (on average 15.2) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (42), 3 states have call predecessors, (42), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2024-11-28 03:20:59,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:20:59,555 INFO L93 Difference]: Finished difference Result 13406 states and 18508 transitions. [2024-11-28 03:20:59,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:20:59,556 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (42), 3 states have call predecessors, (42), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) Word has length 383 [2024-11-28 03:20:59,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:20:59,636 INFO L225 Difference]: With dead ends: 13406 [2024-11-28 03:20:59,637 INFO L226 Difference]: Without dead ends: 13404 [2024-11-28 03:20:59,648 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-28 03:20:59,648 INFO L435 NwaCegarLoop]: 4770 mSDtfsCounter, 4677 mSDsluCounter, 9520 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4678 SdHoareTripleChecker+Valid, 14290 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 03:20:59,649 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4678 Valid, 14290 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 03:20:59,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13404 states. [2024-11-28 03:21:00,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13404 to 13404. [2024-11-28 03:21:00,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13404 states, 9759 states have (on average 1.2827133927656522) internal successors, (12518), 9914 states have internal predecessors, (12518), 2996 states have call successors, (2996), 649 states have call predecessors, (2996), 648 states have return successors, (2992), 2936 states have call predecessors, (2992), 2992 states have call successors, (2992) [2024-11-28 03:21:00,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13404 states to 13404 states and 18506 transitions. [2024-11-28 03:21:00,457 INFO L78 Accepts]: Start accepts. Automaton has 13404 states and 18506 transitions. Word has length 383 [2024-11-28 03:21:00,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:21:00,460 INFO L471 AbstractCegarLoop]: Abstraction has 13404 states and 18506 transitions. [2024-11-28 03:21:00,460 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (42), 3 states have call predecessors, (42), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2024-11-28 03:21:00,461 INFO L276 IsEmpty]: Start isEmpty. Operand 13404 states and 18506 transitions. [2024-11-28 03:21:00,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 389 [2024-11-28 03:21:00,479 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:21:00,479 INFO L218 NwaCegarLoop]: trace histogram [28, 28, 24, 24, 24, 24, 24, 24, 7, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:21:00,480 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-28 03:21:00,480 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:21:00,480 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:21:00,480 INFO L85 PathProgramCache]: Analyzing trace with hash -1840665567, now seen corresponding path program 1 times [2024-11-28 03:21:00,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:21:00,481 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1715653891] [2024-11-28 03:21:00,481 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:21:00,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:22:14,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:22:15,851 INFO L134 CoverageAnalysis]: Checked inductivity of 2899 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 2887 trivial. 0 not checked. [2024-11-28 03:22:15,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:22:15,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1715653891] [2024-11-28 03:22:15,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1715653891] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:22:15,852 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:22:15,852 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 03:22:15,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [651805993] [2024-11-28 03:22:15,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:22:15,854 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:22:15,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:22:15,854 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:22:15,855 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:22:15,855 INFO L87 Difference]: Start difference. First operand 13404 states and 18506 transitions. Second operand has 5 states, 5 states have (on average 15.2) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (43), 3 states have call predecessors, (43), 1 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2024-11-28 03:22:16,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:22:16,628 INFO L93 Difference]: Finished difference Result 13410 states and 18511 transitions. [2024-11-28 03:22:16,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:22:16,628 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (43), 3 states have call predecessors, (43), 1 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) Word has length 388 [2024-11-28 03:22:16,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:22:16,714 INFO L225 Difference]: With dead ends: 13410 [2024-11-28 03:22:16,714 INFO L226 Difference]: Without dead ends: 13408 [2024-11-28 03:22:16,725 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-28 03:22:16,725 INFO L435 NwaCegarLoop]: 4770 mSDtfsCounter, 4676 mSDsluCounter, 9520 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4677 SdHoareTripleChecker+Valid, 14290 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 03:22:16,726 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4677 Valid, 14290 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 03:22:16,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13408 states. [2024-11-28 03:22:17,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13408 to 13408. [2024-11-28 03:22:17,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13408 states, 9762 states have (on average 1.2826265109608688) internal successors, (12521), 9917 states have internal predecessors, (12521), 2996 states have call successors, (2996), 650 states have call predecessors, (2996), 649 states have return successors, (2992), 2936 states have call predecessors, (2992), 2992 states have call successors, (2992) [2024-11-28 03:22:17,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13408 states to 13408 states and 18509 transitions. [2024-11-28 03:22:17,598 INFO L78 Accepts]: Start accepts. Automaton has 13408 states and 18509 transitions. Word has length 388 [2024-11-28 03:22:17,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:22:17,600 INFO L471 AbstractCegarLoop]: Abstraction has 13408 states and 18509 transitions. [2024-11-28 03:22:17,600 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (43), 3 states have call predecessors, (43), 1 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2024-11-28 03:22:17,600 INFO L276 IsEmpty]: Start isEmpty. Operand 13408 states and 18509 transitions. [2024-11-28 03:22:17,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 394 [2024-11-28 03:22:17,620 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:22:17,620 INFO L218 NwaCegarLoop]: trace histogram [28, 28, 24, 24, 24, 24, 24, 24, 8, 7, 7, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:22:17,620 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-28 03:22:17,620 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:22:17,621 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:22:17,621 INFO L85 PathProgramCache]: Analyzing trace with hash 244639027, now seen corresponding path program 1 times [2024-11-28 03:22:17,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:22:17,622 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1052460661] [2024-11-28 03:22:17,622 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:22:17,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms