./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-via-via-rhine.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_4b82df66-a069-48ad-82eb-76ef1bfae7b1/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b82df66-a069-48ad-82eb-76ef1bfae7b1/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b82df66-a069-48ad-82eb-76ef1bfae7b1/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b82df66-a069-48ad-82eb-76ef1bfae7b1/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-via-via-rhine.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b82df66-a069-48ad-82eb-76ef1bfae7b1/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b82df66-a069-48ad-82eb-76ef1bfae7b1/bin/uautomizer-verify-84ZbGMXZE1 --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 58d15a5feb7af6647b099d75992dc6c7c20191bdb135a07030e94ab68f234062 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 10:40:56,523 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 10:40:56,577 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b82df66-a069-48ad-82eb-76ef1bfae7b1/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-12-02 10:40:56,582 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 10:40:56,583 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 10:40:56,603 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 10:40:56,604 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 10:40:56,604 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 10:40:56,605 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 10:40:56,605 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 10:40:56,605 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 10:40:56,605 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 10:40:56,605 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 10:40:56,605 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 10:40:56,606 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 10:40:56,606 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 10:40:56,606 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 10:40:56,606 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 10:40:56,606 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 10:40:56,606 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 10:40:56,606 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 10:40:56,606 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 10:40:56,606 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 10:40:56,607 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 10:40:56,607 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 10:40:56,607 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 10:40:56,607 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 10:40:56,607 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 10:40:56,607 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 10:40:56,607 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 10:40:56,607 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 10:40:56,607 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 10:40:56,607 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 10:40:56,608 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 10:40:56,608 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 10:40:56,608 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 10:40:56,608 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 10:40:56,608 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 10:40:56,608 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 10:40:56,608 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 10:40:56,608 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 10:40:56,608 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 10:40:56,608 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 10:40:56,609 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 10:40:56,609 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 10:40:56,609 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_4b82df66-a069-48ad-82eb-76ef1bfae7b1/bin/uautomizer-verify-84ZbGMXZE1 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 -> 58d15a5feb7af6647b099d75992dc6c7c20191bdb135a07030e94ab68f234062 [2024-12-02 10:40:56,810 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 10:40:56,817 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 10:40:56,819 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 10:40:56,820 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 10:40:56,820 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 10:40:56,821 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b82df66-a069-48ad-82eb-76ef1bfae7b1/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-via-via-rhine.cil.i [2024-12-02 10:40:59,510 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b82df66-a069-48ad-82eb-76ef1bfae7b1/bin/uautomizer-verify-84ZbGMXZE1/data/7d06570ea/5624d7247a1e45cf90f50a405901de22/FLAG06fbc1f5d [2024-12-02 10:40:59,978 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 10:40:59,979 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b82df66-a069-48ad-82eb-76ef1bfae7b1/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-via-via-rhine.cil.i [2024-12-02 10:41:00,013 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b82df66-a069-48ad-82eb-76ef1bfae7b1/bin/uautomizer-verify-84ZbGMXZE1/data/7d06570ea/5624d7247a1e45cf90f50a405901de22/FLAG06fbc1f5d [2024-12-02 10:41:00,076 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b82df66-a069-48ad-82eb-76ef1bfae7b1/bin/uautomizer-verify-84ZbGMXZE1/data/7d06570ea/5624d7247a1e45cf90f50a405901de22 [2024-12-02 10:41:00,078 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 10:41:00,079 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 10:41:00,080 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 10:41:00,080 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 10:41:00,085 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 10:41:00,086 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:41:00" (1/1) ... [2024-12-02 10:41:00,086 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@692dabf8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:41:00, skipping insertion in model container [2024-12-02 10:41:00,087 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:41:00" (1/1) ... [2024-12-02 10:41:00,218 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 10:41:03,412 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_4b82df66-a069-48ad-82eb-76ef1bfae7b1/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-via-via-rhine.cil.i[404089,404102] [2024-12-02 10:41:03,417 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_4b82df66-a069-48ad-82eb-76ef1bfae7b1/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-via-via-rhine.cil.i[404258,404271] [2024-12-02 10:41:03,417 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_4b82df66-a069-48ad-82eb-76ef1bfae7b1/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-via-via-rhine.cil.i[404425,404438] [2024-12-02 10:41:03,417 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_4b82df66-a069-48ad-82eb-76ef1bfae7b1/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-via-via-rhine.cil.i[404593,404606] [2024-12-02 10:41:03,452 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 10:41:03,531 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 10:41:03,640 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"); [5331] [2024-12-02 10:41:03,642 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)); [5338] [2024-12-02 10:41:03,642 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5345] [2024-12-02 10:41:03,646 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)); [5416-5417] [2024-12-02 10:41:03,646 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"); [5422-5424] [2024-12-02 10:41:03,650 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movb %1,%0": "=q" (ret): "m" (*((unsigned char volatile *)addr)): "memory"); [5602] [2024-12-02 10:41:03,651 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [5616] [2024-12-02 10:41:03,651 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [5624] [2024-12-02 10:41:03,657 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)); [5716-5717] [2024-12-02 10:41:03,659 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)); [5750-5751] [2024-12-02 10:41:03,660 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (103), "i" (12UL)); [5787-5788] [2024-12-02 10:41:03,661 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (115), "i" (12UL)); [5824-5825] [2024-12-02 10:41:03,670 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)); [6171-6172] [2024-12-02 10:41:03,670 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6178] [2024-12-02 10:41:03,675 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "m" (cpu_number)); [6420] [2024-12-02 10:41:03,676 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [6423] [2024-12-02 10:41:03,676 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [6426] [2024-12-02 10:41:03,676 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [6429] [2024-12-02 10:41:03,676 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret_____0): "m" (cpu_number)); [6460] [2024-12-02 10:41:03,676 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret_____0): "m" (cpu_number)); [6463] [2024-12-02 10:41:03,677 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret_____0): "m" (cpu_number)); [6466] [2024-12-02 10:41:03,677 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret_____0): "m" (cpu_number)); [6469] [2024-12-02 10:41:03,677 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret_____1): "m" (cpu_number)); [6500] [2024-12-02 10:41:03,677 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret_____1): "m" (cpu_number)); [6503] [2024-12-02 10:41:03,677 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret_____1): "m" (cpu_number)); [6506] [2024-12-02 10:41:03,677 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret_____1): "m" (cpu_number)); [6509] [2024-12-02 10:41:03,678 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret_____2): "m" (cpu_number)); [6540] [2024-12-02 10:41:03,678 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret_____2): "m" (cpu_number)); [6543] [2024-12-02 10:41:03,678 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret_____2): "m" (cpu_number)); [6546] [2024-12-02 10:41:03,678 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret_____2): "m" (cpu_number)); [6549] [2024-12-02 10:41:03,692 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6993] [2024-12-02 10:41:03,707 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7407] [2024-12-02 10:41:03,737 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8080] [2024-12-02 10:41:03,738 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8099] [2024-12-02 10:41:03,738 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8112] [2024-12-02 10:41:03,739 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8117] [2024-12-02 10:41:03,739 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8130] [2024-12-02 10:41:03,740 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8142] [2024-12-02 10:41:03,759 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8668] [2024-12-02 10:41:03,759 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8670] [2024-12-02 10:41:03,762 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [8717] [2024-12-02 10:41:03,935 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_4b82df66-a069-48ad-82eb-76ef1bfae7b1/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-via-via-rhine.cil.i[404089,404102] [2024-12-02 10:41:03,936 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_4b82df66-a069-48ad-82eb-76ef1bfae7b1/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-via-via-rhine.cil.i[404258,404271] [2024-12-02 10:41:03,936 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_4b82df66-a069-48ad-82eb-76ef1bfae7b1/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-via-via-rhine.cil.i[404425,404438] [2024-12-02 10:41:03,937 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_4b82df66-a069-48ad-82eb-76ef1bfae7b1/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-via-via-rhine.cil.i[404593,404606] [2024-12-02 10:41:03,951 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 10:41:04,298 INFO L204 MainTranslator]: Completed translation [2024-12-02 10:41:04,299 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:41:04 WrapperNode [2024-12-02 10:41:04,299 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 10:41:04,300 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 10:41:04,300 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 10:41:04,300 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 10:41:04,307 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:41:04" (1/1) ... [2024-12-02 10:41:04,385 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:41:04" (1/1) ... [2024-12-02 10:41:04,624 INFO L138 Inliner]: procedures = 559, calls = 3409, calls flagged for inlining = 292, calls inlined = 254, statements flattened = 7001 [2024-12-02 10:41:04,625 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 10:41:04,626 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 10:41:04,626 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 10:41:04,626 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 10:41:04,637 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:41:04" (1/1) ... [2024-12-02 10:41:04,637 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:41:04" (1/1) ... [2024-12-02 10:41:04,664 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:41:04" (1/1) ... [2024-12-02 10:41:05,841 INFO L175 MemorySlicer]: Split 1805 memory accesses to 23 slices as follows [51, 2, 2, 10, 5, 1, 562, 53, 11, 2, 981, 5, 4, 3, 5, 8, 7, 2, 6, 1, 40, 42, 2]. 54 percent of accesses are in the largest equivalence class. The 1040 initializations are split as follows [0, 0, 0, 8, 0, 0, 6, 0, 11, 0, 981, 0, 4, 1, 5, 8, 7, 0, 6, 1, 0, 0, 2]. The 405 writes are split as follows [51, 1, 1, 0, 2, 0, 268, 42, 0, 1, 0, 2, 0, 0, 0, 0, 0, 1, 0, 0, 0, 36, 0]. [2024-12-02 10:41:05,841 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:41:04" (1/1) ... [2024-12-02 10:41:05,841 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:41:04" (1/1) ... [2024-12-02 10:41:05,938 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:41:04" (1/1) ... [2024-12-02 10:41:05,946 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:41:04" (1/1) ... [2024-12-02 10:41:05,965 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:41:04" (1/1) ... [2024-12-02 10:41:05,993 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:41:04" (1/1) ... [2024-12-02 10:41:06,007 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:41:04" (1/1) ... [2024-12-02 10:41:06,046 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 10:41:06,047 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 10:41:06,047 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 10:41:06,047 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 10:41:06,048 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:41:04" (1/1) ... [2024-12-02 10:41:06,052 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 10:41:06,060 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b82df66-a069-48ad-82eb-76ef1bfae7b1/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:41:06,071 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b82df66-a069-48ad-82eb-76ef1bfae7b1/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 10:41:06,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b82df66-a069-48ad-82eb-76ef1bfae7b1/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 10:41:06,114 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2024-12-02 10:41:06,114 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2024-12-02 10:41:06,114 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-12-02 10:41:06,114 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-12-02 10:41:06,114 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2024-12-02 10:41:06,115 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2024-12-02 10:41:06,115 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2024-12-02 10:41:06,115 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2024-12-02 10:41:06,115 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-12-02 10:41:06,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-12-02 10:41:06,115 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2024-12-02 10:41:06,115 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2024-12-02 10:41:06,115 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-12-02 10:41:06,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-12-02 10:41:06,115 INFO L130 BoogieDeclarations]: Found specification of procedure free_tbufs [2024-12-02 10:41:06,115 INFO L138 BoogieDeclarations]: Found implementation of procedure free_tbufs [2024-12-02 10:41:06,115 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_80 [2024-12-02 10:41:06,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_80 [2024-12-02 10:41:06,115 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2024-12-02 10:41:06,115 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2024-12-02 10:41:06,115 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2024-12-02 10:41:06,116 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2024-12-02 10:41:06,116 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2024-12-02 10:41:06,116 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2024-12-02 10:41:06,116 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2024-12-02 10:41:06,116 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2024-12-02 10:41:06,116 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2024-12-02 10:41:06,116 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2024-12-02 10:41:06,116 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_poll [2024-12-02 10:41:06,116 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_poll [2024-12-02 10:41:06,116 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8 [2024-12-02 10:41:06,116 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite8 [2024-12-02 10:41:06,116 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2024-12-02 10:41:06,116 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2024-12-02 10:41:06,116 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2024-12-02 10:41:06,116 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2024-12-02 10:41:06,116 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_netdev_dbg [2024-12-02 10:41:06,116 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_netdev_dbg [2024-12-02 10:41:06,116 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_wait_bit_low [2024-12-02 10:41:06,116 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_wait_bit_low [2024-12-02 10:41:06,117 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2024-12-02 10:41:06,117 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2024-12-02 10:41:06,117 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2024-12-02 10:41:06,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2024-12-02 10:41:06,117 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2024-12-02 10:41:06,117 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2024-12-02 10:41:06,117 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2024-12-02 10:41:06,117 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2024-12-02 10:41:06,117 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2024-12-02 10:41:06,117 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2024-12-02 10:41:06,117 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-12-02 10:41:06,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-12-02 10:41:06,117 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2024-12-02 10:41:06,117 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2024-12-02 10:41:06,117 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-02 10:41:06,117 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_62 [2024-12-02 10:41:06,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_62 [2024-12-02 10:41:06,118 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2024-12-02 10:41:06,118 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2024-12-02 10:41:06,118 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_wait_bit [2024-12-02 10:41:06,118 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_wait_bit [2024-12-02 10:41:06,118 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2024-12-02 10:41:06,118 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2024-12-02 10:41:06,118 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2024-12-02 10:41:06,118 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2024-12-02 10:41:06,118 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2024-12-02 10:41:06,118 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2024-12-02 10:41:06,118 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_rbufs [2024-12-02 10:41:06,118 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_rbufs [2024-12-02 10:41:06,118 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2024-12-02 10:41:06,118 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2024-12-02 10:41:06,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-12-02 10:41:06,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-12-02 10:41:06,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-12-02 10:41:06,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-12-02 10:41:06,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-12-02 10:41:06,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-12-02 10:41:06,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-12-02 10:41:06,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-12-02 10:41:06,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-12-02 10:41:06,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-12-02 10:41:06,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-12-02 10:41:06,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-12-02 10:41:06,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-12-02 10:41:06,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-12-02 10:41:06,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-12-02 10:41:06,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-12-02 10:41:06,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-12-02 10:41:06,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-12-02 10:41:06,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-12-02 10:41:06,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2024-12-02 10:41:06,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2024-12-02 10:41:06,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#21 [2024-12-02 10:41:06,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#22 [2024-12-02 10:41:06,119 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2024-12-02 10:41:06,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2024-12-02 10:41:06,119 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_interrupt [2024-12-02 10:41:06,120 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_interrupt [2024-12-02 10:41:06,120 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-12-02 10:41:06,120 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-12-02 10:41:06,120 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-12-02 10:41:06,120 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-12-02 10:41:06,120 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-12-02 10:41:06,120 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-12-02 10:41:06,120 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-12-02 10:41:06,120 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-12-02 10:41:06,120 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-12-02 10:41:06,120 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-12-02 10:41:06,120 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-12-02 10:41:06,120 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-12-02 10:41:06,120 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-12-02 10:41:06,120 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-12-02 10:41:06,120 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-12-02 10:41:06,120 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-12-02 10:41:06,120 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-12-02 10:41:06,120 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-12-02 10:41:06,120 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-12-02 10:41:06,121 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-12-02 10:41:06,121 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2024-12-02 10:41:06,121 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2024-12-02 10:41:06,121 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2024-12-02 10:41:06,121 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2024-12-02 10:41:06,121 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2024-12-02 10:41:06,121 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2024-12-02 10:41:06,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2024-12-02 10:41:06,121 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2024-12-02 10:41:06,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2024-12-02 10:41:06,121 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_task_disable [2024-12-02 10:41:06,121 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_task_disable [2024-12-02 10:41:06,121 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2024-12-02 10:41:06,121 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2024-12-02 10:41:06,121 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2024-12-02 10:41:06,121 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2024-12-02 10:41:06,121 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2024-12-02 10:41:06,121 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2024-12-02 10:41:06,121 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_set_carrier [2024-12-02 10:41:06,121 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_set_carrier [2024-12-02 10:41:06,121 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2024-12-02 10:41:06,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2024-12-02 10:41:06,122 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_shutdown [2024-12-02 10:41:06,122 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_shutdown [2024-12-02 10:41:06,122 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-02 10:41:06,122 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2024-12-02 10:41:06,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2024-12-02 10:41:06,122 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2024-12-02 10:41:06,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2024-12-02 10:41:06,122 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2024-12-02 10:41:06,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2024-12-02 10:41:06,122 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2024-12-02 10:41:06,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2024-12-02 10:41:06,122 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 10:41:06,122 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_nway_reset [2024-12-02 10:41:06,122 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_nway_reset [2024-12-02 10:41:06,122 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-12-02 10:41:06,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-12-02 10:41:06,122 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2024-12-02 10:41:06,122 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2024-12-02 10:41:06,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-12-02 10:41:06,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-12-02 10:41:06,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-12-02 10:41:06,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-12-02 10:41:06,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-12-02 10:41:06,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-12-02 10:41:06,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-12-02 10:41:06,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-12-02 10:41:06,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-12-02 10:41:06,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-12-02 10:41:06,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-12-02 10:41:06,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-12-02 10:41:06,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-12-02 10:41:06,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-12-02 10:41:06,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-12-02 10:41:06,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-12-02 10:41:06,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-12-02 10:41:06,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-12-02 10:41:06,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-12-02 10:41:06,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2024-12-02 10:41:06,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2024-12-02 10:41:06,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#21 [2024-12-02 10:41:06,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#22 [2024-12-02 10:41:06,124 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2024-12-02 10:41:06,124 INFO L138 BoogieDeclarations]: Found implementation of procedure __bad_percpu_size [2024-12-02 10:41:06,124 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2024-12-02 10:41:06,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2024-12-02 10:41:06,124 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-12-02 10:41:06,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-12-02 10:41:06,125 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_set_rx_mode [2024-12-02 10:41:06,125 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_set_rx_mode [2024-12-02 10:41:06,125 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2024-12-02 10:41:06,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2024-12-02 10:41:06,125 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_update_rx_crc_and_missed_errord [2024-12-02 10:41:06,125 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_update_rx_crc_and_missed_errord [2024-12-02 10:41:06,125 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2024-12-02 10:41:06,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2024-12-02 10:41:06,125 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_rhine_private [2024-12-02 10:41:06,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_rhine_private [2024-12-02 10:41:06,125 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2024-12-02 10:41:06,125 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2024-12-02 10:41:06,125 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2024-12-02 10:41:06,125 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2024-12-02 10:41:06,125 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2024-12-02 10:41:06,125 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2024-12-02 10:41:06,125 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2024-12-02 10:41:06,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2024-12-02 10:41:06,125 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_fetch_begin_bh [2024-12-02 10:41:06,125 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_fetch_begin_bh [2024-12-02 10:41:06,126 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2024-12-02 10:41:06,126 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2024-12-02 10:41:06,126 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_68 [2024-12-02 10:41:06,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_68 [2024-12-02 10:41:06,126 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_power_init [2024-12-02 10:41:06,126 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_power_init [2024-12-02 10:41:06,126 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_tx_timeout [2024-12-02 10:41:06,126 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_tx_timeout [2024-12-02 10:41:06,126 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_rhine_private [2024-12-02 10:41:06,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_rhine_private [2024-12-02 10:41:06,126 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2024-12-02 10:41:06,126 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2024-12-02 10:41:06,126 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 10:41:06,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 10:41:06,126 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2024-12-02 10:41:06,126 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2024-12-02 10:41:06,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-12-02 10:41:06,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-12-02 10:41:06,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-12-02 10:41:06,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-12-02 10:41:06,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-12-02 10:41:06,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-12-02 10:41:06,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-12-02 10:41:06,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-12-02 10:41:06,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-12-02 10:41:06,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-12-02 10:41:06,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-12-02 10:41:06,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-12-02 10:41:06,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-12-02 10:41:06,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-12-02 10:41:06,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-12-02 10:41:06,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-12-02 10:41:06,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-12-02 10:41:06,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2024-12-02 10:41:06,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2024-12-02 10:41:06,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2024-12-02 10:41:06,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#20 [2024-12-02 10:41:06,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#21 [2024-12-02 10:41:06,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#22 [2024-12-02 10:41:06,127 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-12-02 10:41:06,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-12-02 10:41:06,127 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-12-02 10:41:06,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-12-02 10:41:06,127 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_chip_reset [2024-12-02 10:41:06,127 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_chip_reset [2024-12-02 10:41:06,127 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-12-02 10:41:06,128 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-12-02 10:41:06,128 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2024-12-02 10:41:06,128 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2024-12-02 10:41:06,128 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-12-02 10:41:06,128 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-12-02 10:41:06,128 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-12-02 10:41:06,128 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-12-02 10:41:06,128 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-12-02 10:41:06,128 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-12-02 10:41:06,128 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-12-02 10:41:06,128 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-12-02 10:41:06,128 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2024-12-02 10:41:06,128 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2024-12-02 10:41:06,128 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2024-12-02 10:41:06,128 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2024-12-02 10:41:06,128 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2024-12-02 10:41:06,128 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2024-12-02 10:41:06,128 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#14 [2024-12-02 10:41:06,128 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#15 [2024-12-02 10:41:06,128 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#16 [2024-12-02 10:41:06,128 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#17 [2024-12-02 10:41:06,128 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#18 [2024-12-02 10:41:06,128 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#19 [2024-12-02 10:41:06,129 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#20 [2024-12-02 10:41:06,129 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#21 [2024-12-02 10:41:06,129 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#22 [2024-12-02 10:41:06,129 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-12-02 10:41:06,129 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-12-02 10:41:06,129 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-12-02 10:41:06,129 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-12-02 10:41:06,129 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-12-02 10:41:06,129 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-12-02 10:41:06,129 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-12-02 10:41:06,129 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-12-02 10:41:06,129 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2024-12-02 10:41:06,129 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2024-12-02 10:41:06,129 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2024-12-02 10:41:06,129 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2024-12-02 10:41:06,129 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2024-12-02 10:41:06,129 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2024-12-02 10:41:06,129 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#14 [2024-12-02 10:41:06,129 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#15 [2024-12-02 10:41:06,129 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#16 [2024-12-02 10:41:06,129 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#17 [2024-12-02 10:41:06,129 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#18 [2024-12-02 10:41:06,129 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#19 [2024-12-02 10:41:06,129 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#20 [2024-12-02 10:41:06,130 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#21 [2024-12-02 10:41:06,130 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#22 [2024-12-02 10:41:06,130 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_set_cam_mask [2024-12-02 10:41:06,130 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_set_cam_mask [2024-12-02 10:41:06,130 INFO L130 BoogieDeclarations]: Found specification of procedure init_registers [2024-12-02 10:41:06,130 INFO L138 BoogieDeclarations]: Found implementation of procedure init_registers [2024-12-02 10:41:06,130 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2024-12-02 10:41:06,130 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2024-12-02 10:41:06,130 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_remove_one [2024-12-02 10:41:06,130 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_remove_one [2024-12-02 10:41:06,130 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2024-12-02 10:41:06,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2024-12-02 10:41:06,130 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2024-12-02 10:41:06,130 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2024-12-02 10:41:06,130 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_close [2024-12-02 10:41:06,130 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_close [2024-12-02 10:41:06,130 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_79 [2024-12-02 10:41:06,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_79 [2024-12-02 10:41:06,130 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2024-12-02 10:41:06,130 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2024-12-02 10:41:06,130 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-02 10:41:06,130 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2024-12-02 10:41:06,130 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2024-12-02 10:41:06,130 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2024-12-02 10:41:06,131 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2024-12-02 10:41:06,131 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-12-02 10:41:06,131 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-12-02 10:41:06,131 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-12-02 10:41:06,131 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-12-02 10:41:06,131 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-12-02 10:41:06,131 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-12-02 10:41:06,131 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-12-02 10:41:06,131 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-12-02 10:41:06,131 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-12-02 10:41:06,131 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-12-02 10:41:06,131 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-12-02 10:41:06,131 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-12-02 10:41:06,131 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-12-02 10:41:06,131 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-12-02 10:41:06,131 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-12-02 10:41:06,131 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-12-02 10:41:06,131 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-12-02 10:41:06,131 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-12-02 10:41:06,131 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-12-02 10:41:06,131 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2024-12-02 10:41:06,131 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2024-12-02 10:41:06,131 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#21 [2024-12-02 10:41:06,131 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#22 [2024-12-02 10:41:06,132 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_check_media [2024-12-02 10:41:06,132 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_check_media [2024-12-02 10:41:06,132 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_rhine_cleanup_14_2 [2024-12-02 10:41:06,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_rhine_cleanup_14_2 [2024-12-02 10:41:06,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-12-02 10:41:06,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-12-02 10:41:06,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-12-02 10:41:06,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-12-02 10:41:06,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-12-02 10:41:06,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-12-02 10:41:06,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-12-02 10:41:06,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-12-02 10:41:06,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-12-02 10:41:06,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-12-02 10:41:06,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-12-02 10:41:06,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-12-02 10:41:06,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-12-02 10:41:06,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-12-02 10:41:06,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-12-02 10:41:06,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-12-02 10:41:06,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-12-02 10:41:06,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2024-12-02 10:41:06,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2024-12-02 10:41:06,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2024-12-02 10:41:06,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#20 [2024-12-02 10:41:06,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#21 [2024-12-02 10:41:06,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#22 [2024-12-02 10:41:06,133 INFO L130 BoogieDeclarations]: Found specification of procedure free_rbufs [2024-12-02 10:41:06,133 INFO L138 BoogieDeclarations]: Found implementation of procedure free_rbufs [2024-12-02 10:41:06,133 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-12-02 10:41:06,133 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-12-02 10:41:06,133 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_get_events [2024-12-02 10:41:06,133 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_get_events [2024-12-02 10:41:06,133 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2024-12-02 10:41:06,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2024-12-02 10:41:06,133 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2024-12-02 10:41:06,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2024-12-02 10:41:06,133 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-12-02 10:41:06,133 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-12-02 10:41:06,133 INFO L130 BoogieDeclarations]: Found specification of procedure enable_mmio [2024-12-02 10:41:06,133 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_mmio [2024-12-02 10:41:06,133 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_set_vlan_cam_mask [2024-12-02 10:41:06,133 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_set_vlan_cam_mask [2024-12-02 10:41:06,133 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_warn [2024-12-02 10:41:06,133 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_warn [2024-12-02 10:41:06,134 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2024-12-02 10:41:06,134 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2024-12-02 10:41:06,134 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2024-12-02 10:41:06,134 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2024-12-02 10:41:06,134 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2024-12-02 10:41:06,134 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2024-12-02 10:41:06,134 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2024-12-02 10:41:06,134 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2024-12-02 10:41:06,134 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2024-12-02 10:41:06,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2024-12-02 10:41:06,134 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2024-12-02 10:41:06,134 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2024-12-02 10:41:06,134 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2024-12-02 10:41:06,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2024-12-02 10:41:06,134 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2024-12-02 10:41:06,134 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2024-12-02 10:41:06,134 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2024-12-02 10:41:06,134 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2024-12-02 10:41:06,134 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_63 [2024-12-02 10:41:06,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_63 [2024-12-02 10:41:06,134 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_disable_linkmon [2024-12-02 10:41:06,134 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_disable_linkmon [2024-12-02 10:41:06,134 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_ack_events [2024-12-02 10:41:06,134 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_ack_events [2024-12-02 10:41:06,134 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2024-12-02 10:41:06,134 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2024-12-02 10:41:06,135 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_resume [2024-12-02 10:41:06,135 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_resume [2024-12-02 10:41:06,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-12-02 10:41:06,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-12-02 10:41:06,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-12-02 10:41:06,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-12-02 10:41:06,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-12-02 10:41:06,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-12-02 10:41:06,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-12-02 10:41:06,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-12-02 10:41:06,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-12-02 10:41:06,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-12-02 10:41:06,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-12-02 10:41:06,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-12-02 10:41:06,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-12-02 10:41:06,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-12-02 10:41:06,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-12-02 10:41:06,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-12-02 10:41:06,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-12-02 10:41:06,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-12-02 10:41:06,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-12-02 10:41:06,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-12-02 10:41:06,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2024-12-02 10:41:06,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2024-12-02 10:41:06,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2024-12-02 10:41:06,135 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_67 [2024-12-02 10:41:06,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_67 [2024-12-02 10:41:06,136 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-12-02 10:41:06,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-12-02 10:41:06,136 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_fetch_retry_bh [2024-12-02 10:41:06,136 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_fetch_retry_bh [2024-12-02 10:41:06,136 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2024-12-02 10:41:06,136 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2024-12-02 10:41:06,136 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_wait_bit_high [2024-12-02 10:41:06,136 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_wait_bit_high [2024-12-02 10:41:06,136 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_irq_disable [2024-12-02 10:41:06,136 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_irq_disable [2024-12-02 10:41:06,136 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_task_enable [2024-12-02 10:41:06,136 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_task_enable [2024-12-02 10:41:06,136 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_tbufs [2024-12-02 10:41:06,136 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_tbufs [2024-12-02 10:41:06,136 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2024-12-02 10:41:06,136 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2024-12-02 10:41:06,136 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2024-12-02 10:41:06,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2024-12-02 10:41:06,136 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2024-12-02 10:41:06,136 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2024-12-02 10:41:06,136 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2024-12-02 10:41:06,136 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2024-12-02 10:41:06,136 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_enable_linkmon [2024-12-02 10:41:06,136 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_enable_linkmon [2024-12-02 10:41:06,136 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_update_vcam [2024-12-02 10:41:06,136 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_update_vcam [2024-12-02 10:41:06,137 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2024-12-02 10:41:06,137 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2024-12-02 10:41:06,137 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2024-12-02 10:41:06,137 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2024-12-02 10:41:06,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 10:41:06,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-12-02 10:41:06,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-12-02 10:41:06,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-12-02 10:41:06,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-12-02 10:41:06,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-12-02 10:41:06,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-12-02 10:41:06,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-12-02 10:41:06,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-12-02 10:41:06,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-12-02 10:41:06,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-12-02 10:41:06,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-12-02 10:41:06,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-12-02 10:41:06,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-12-02 10:41:06,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-12-02 10:41:06,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-12-02 10:41:06,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-12-02 10:41:06,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-12-02 10:41:06,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-12-02 10:41:06,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-12-02 10:41:06,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2024-12-02 10:41:06,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2024-12-02 10:41:06,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2024-12-02 10:41:06,138 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_suspend [2024-12-02 10:41:06,138 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_suspend [2024-12-02 10:41:06,138 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_open [2024-12-02 10:41:06,138 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_open [2024-12-02 10:41:06,138 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2024-12-02 10:41:06,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2024-12-02 10:41:06,996 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 10:41:06,999 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 10:41:07,023 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-12-02 10:41:20,089 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2024-12-02 10:41:21,037 INFO L? ?]: Removed 2878 outVars from TransFormulas that were not future-live. [2024-12-02 10:41:21,037 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 10:41:21,093 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 10:41:21,093 INFO L312 CfgBuilder]: Removed 6 assume(true) statements. [2024-12-02 10:41:21,094 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:41:21 BoogieIcfgContainer [2024-12-02 10:41:21,094 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 10:41:21,097 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 10:41:21,097 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 10:41:21,103 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 10:41:21,103 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 10:41:00" (1/3) ... [2024-12-02 10:41:21,104 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a104b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 10:41:21, skipping insertion in model container [2024-12-02 10:41:21,104 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:41:04" (2/3) ... [2024-12-02 10:41:21,104 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a104b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 10:41:21, skipping insertion in model container [2024-12-02 10:41:21,104 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:41:21" (3/3) ... [2024-12-02 10:41:21,105 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-via-via-rhine.cil.i [2024-12-02 10:41:21,125 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 10:41:21,129 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-via-via-rhine.cil.i that has 158 procedures, 2683 locations, 1 initial locations, 23 loop locations, and 3 error locations. [2024-12-02 10:41:21,258 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 10:41:21,273 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;@4a0065c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 10:41:21,273 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-12-02 10:41:21,286 INFO L276 IsEmpty]: Start isEmpty. Operand has 2597 states, 1823 states have (on average 1.312671420735052) internal successors, (2393), 1871 states have internal predecessors, (2393), 637 states have call successors, (637), 136 states have call predecessors, (637), 135 states have return successors, (628), 617 states have call predecessors, (628), 628 states have call successors, (628) [2024-12-02 10:41:21,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-12-02 10:41:21,308 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:41:21,309 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 14, 14, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:41:21,310 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 10:41:21,315 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:41:21,315 INFO L85 PathProgramCache]: Analyzing trace with hash 1701228224, now seen corresponding path program 1 times [2024-12-02 10:41:21,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:41:21,324 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [793828648] [2024-12-02 10:41:21,325 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:41:21,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:41:28,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:41:29,869 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2024-12-02 10:41:29,870 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:41:29,870 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [793828648] [2024-12-02 10:41:29,871 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [793828648] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:41:29,871 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:41:29,871 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 10:41:29,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24654101] [2024-12-02 10:41:29,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:41:29,877 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 10:41:29,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:41:29,897 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 10:41:29,897 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:41:29,902 INFO L87 Difference]: Start difference. First operand has 2597 states, 1823 states have (on average 1.312671420735052) internal successors, (2393), 1871 states have internal predecessors, (2393), 637 states have call successors, (637), 136 states have call predecessors, (637), 135 states have return successors, (628), 617 states have call predecessors, (628), 628 states have call successors, (628) Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2024-12-02 10:41:34,031 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 10:41:35,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:41:35,049 INFO L93 Difference]: Finished difference Result 7548 states and 10854 transitions. [2024-12-02 10:41:35,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 10:41:35,051 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 184 [2024-12-02 10:41:35,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:41:35,100 INFO L225 Difference]: With dead ends: 7548 [2024-12-02 10:41:35,101 INFO L226 Difference]: Without dead ends: 4971 [2024-12-02 10:41:35,122 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 [2024-12-02 10:41:35,125 INFO L435 NwaCegarLoop]: 3588 mSDtfsCounter, 3416 mSDsluCounter, 3499 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3416 SdHoareTripleChecker+Valid, 7087 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2024-12-02 10:41:35,125 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3416 Valid, 7087 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 34 Invalid, 1 Unknown, 0 Unchecked, 4.8s Time] [2024-12-02 10:41:35,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4971 states. [2024-12-02 10:41:35,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4971 to 4967. [2024-12-02 10:41:35,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4967 states, 3505 states have (on average 1.2918687589158344) internal successors, (4528), 3590 states have internal predecessors, (4528), 1195 states have call successors, (1195), 265 states have call predecessors, (1195), 264 states have return successors, (1191), 1169 states have call predecessors, (1191), 1191 states have call successors, (1191) [2024-12-02 10:41:35,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4967 states to 4967 states and 6914 transitions. [2024-12-02 10:41:35,483 INFO L78 Accepts]: Start accepts. Automaton has 4967 states and 6914 transitions. Word has length 184 [2024-12-02 10:41:35,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:41:35,484 INFO L471 AbstractCegarLoop]: Abstraction has 4967 states and 6914 transitions. [2024-12-02 10:41:35,484 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2024-12-02 10:41:35,484 INFO L276 IsEmpty]: Start isEmpty. Operand 4967 states and 6914 transitions. [2024-12-02 10:41:35,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2024-12-02 10:41:35,491 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:41:35,491 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 14, 14, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:41:35,491 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-02 10:41:35,492 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 10:41:35,492 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:41:35,492 INFO L85 PathProgramCache]: Analyzing trace with hash 772855122, now seen corresponding path program 1 times [2024-12-02 10:41:35,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:41:35,492 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [920981168] [2024-12-02 10:41:35,492 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:41:35,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:41:42,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:41:43,112 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2024-12-02 10:41:43,112 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:41:43,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [920981168] [2024-12-02 10:41:43,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [920981168] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:41:43,113 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:41:43,113 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 10:41:43,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1501284473] [2024-12-02 10:41:43,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:41:43,115 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 10:41:43,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:41:43,116 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 10:41:43,116 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:41:43,116 INFO L87 Difference]: Start difference. First operand 4967 states and 6914 transitions. Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2024-12-02 10:41:47,226 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 10:41:49,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:41:49,278 INFO L93 Difference]: Finished difference Result 13983 states and 19444 transitions. [2024-12-02 10:41:49,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 10:41:49,278 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 191 [2024-12-02 10:41:49,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:41:49,343 INFO L225 Difference]: With dead ends: 13983 [2024-12-02 10:41:49,344 INFO L226 Difference]: Without dead ends: 9049 [2024-12-02 10:41:49,368 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 [2024-12-02 10:41:49,369 INFO L435 NwaCegarLoop]: 3565 mSDtfsCounter, 2905 mSDsluCounter, 3451 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2905 SdHoareTripleChecker+Valid, 7016 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2024-12-02 10:41:49,369 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2905 Valid, 7016 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 83 Invalid, 1 Unknown, 0 Unchecked, 5.8s Time] [2024-12-02 10:41:49,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9049 states. [2024-12-02 10:41:49,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9049 to 9020. [2024-12-02 10:41:49,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9020 states, 6341 states have (on average 1.2915943857435737) internal successors, (8190), 6503 states have internal predecessors, (8190), 2171 states have call successors, (2171), 508 states have call predecessors, (2171), 505 states have return successors, (2169), 2116 states have call predecessors, (2169), 2167 states have call successors, (2169) [2024-12-02 10:41:49,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9020 states to 9020 states and 12530 transitions. [2024-12-02 10:41:49,881 INFO L78 Accepts]: Start accepts. Automaton has 9020 states and 12530 transitions. Word has length 191 [2024-12-02 10:41:49,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:41:49,881 INFO L471 AbstractCegarLoop]: Abstraction has 9020 states and 12530 transitions. [2024-12-02 10:41:49,881 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2024-12-02 10:41:49,881 INFO L276 IsEmpty]: Start isEmpty. Operand 9020 states and 12530 transitions. [2024-12-02 10:41:49,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2024-12-02 10:41:49,888 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:41:49,889 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 14, 14, 14, 14, 14, 14, 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] [2024-12-02 10:41:49,889 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 10:41:49,889 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 10:41:49,890 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:41:49,890 INFO L85 PathProgramCache]: Analyzing trace with hash -1980010616, now seen corresponding path program 1 times [2024-12-02 10:41:49,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:41:49,890 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1277372479] [2024-12-02 10:41:49,890 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:41:49,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:41:56,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:41:57,623 INFO L134 CoverageAnalysis]: Checked inductivity of 864 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 864 trivial. 0 not checked. [2024-12-02 10:41:57,624 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:41:57,624 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1277372479] [2024-12-02 10:41:57,624 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1277372479] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:41:57,624 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:41:57,624 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 10:41:57,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [870721035] [2024-12-02 10:41:57,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:41:57,625 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 10:41:57,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:41:57,626 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 10:41:57,626 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:41:57,626 INFO L87 Difference]: Start difference. First operand 9020 states and 12530 transitions. Second operand has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2024-12-02 10:42:01,739 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 10:42:03,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:42:03,736 INFO L93 Difference]: Finished difference Result 25802 states and 35836 transitions. [2024-12-02 10:42:03,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 10:42:03,737 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 215 [2024-12-02 10:42:03,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:42:03,843 INFO L225 Difference]: With dead ends: 25802 [2024-12-02 10:42:03,843 INFO L226 Difference]: Without dead ends: 16815 [2024-12-02 10:42:03,891 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 [2024-12-02 10:42:03,891 INFO L435 NwaCegarLoop]: 4251 mSDtfsCounter, 3066 mSDsluCounter, 3454 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 31 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3066 SdHoareTripleChecker+Valid, 7705 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2024-12-02 10:42:03,892 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3066 Valid, 7705 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 121 Invalid, 1 Unknown, 0 Unchecked, 5.6s Time] [2024-12-02 10:42:03,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16815 states. [2024-12-02 10:42:04,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16815 to 16782. [2024-12-02 10:42:04,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16782 states, 11771 states have (on average 1.2872313312377879) internal successors, (15152), 12065 states have internal predecessors, (15152), 4023 states have call successors, (4023), 990 states have call predecessors, (4023), 985 states have return successors, (4021), 3922 states have call predecessors, (4021), 4019 states have call successors, (4021) [2024-12-02 10:42:04,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16782 states to 16782 states and 23196 transitions. [2024-12-02 10:42:04,704 INFO L78 Accepts]: Start accepts. Automaton has 16782 states and 23196 transitions. Word has length 215 [2024-12-02 10:42:04,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:42:04,705 INFO L471 AbstractCegarLoop]: Abstraction has 16782 states and 23196 transitions. [2024-12-02 10:42:04,706 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2024-12-02 10:42:04,706 INFO L276 IsEmpty]: Start isEmpty. Operand 16782 states and 23196 transitions. [2024-12-02 10:42:04,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2024-12-02 10:42:04,709 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:42:04,709 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 14, 14, 14, 14, 14, 14, 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] [2024-12-02 10:42:04,709 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 10:42:04,709 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 10:42:04,710 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:42:04,710 INFO L85 PathProgramCache]: Analyzing trace with hash 1313708251, now seen corresponding path program 1 times [2024-12-02 10:42:04,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:42:04,710 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1337073418] [2024-12-02 10:42:04,710 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:42:04,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:42:11,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:42:13,086 INFO L134 CoverageAnalysis]: Checked inductivity of 864 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 864 trivial. 0 not checked. [2024-12-02 10:42:13,086 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:42:13,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1337073418] [2024-12-02 10:42:13,086 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1337073418] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:42:13,086 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:42:13,086 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 10:42:13,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [726177695] [2024-12-02 10:42:13,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:42:13,087 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 10:42:13,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:42:13,088 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 10:42:13,088 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-12-02 10:42:13,088 INFO L87 Difference]: Start difference. First operand 16782 states and 23196 transitions. Second operand has 6 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2024-12-02 10:42:17,164 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 10:42:33,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:42:33,382 INFO L93 Difference]: Finished difference Result 42151 states and 58067 transitions. [2024-12-02 10:42:33,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 10:42:33,383 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 210 [2024-12-02 10:42:33,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:42:33,483 INFO L225 Difference]: With dead ends: 42151 [2024-12-02 10:42:33,483 INFO L226 Difference]: Without dead ends: 25402 [2024-12-02 10:42:33,532 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-12-02 10:42:33,533 INFO L435 NwaCegarLoop]: 4065 mSDtfsCounter, 10311 mSDsluCounter, 8073 mSDsCounter, 0 mSdLazyCounter, 1362 mSolverCounterSat, 2131 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10311 SdHoareTripleChecker+Valid, 12138 SdHoareTripleChecker+Invalid, 3494 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2131 IncrementalHoareTripleChecker+Valid, 1362 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.4s IncrementalHoareTripleChecker+Time [2024-12-02 10:42:33,533 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [10311 Valid, 12138 Invalid, 3494 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2131 Valid, 1362 Invalid, 1 Unknown, 0 Unchecked, 19.4s Time] [2024-12-02 10:42:33,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25402 states. [2024-12-02 10:42:34,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25402 to 25340. [2024-12-02 10:42:34,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25340 states, 17675 states have (on average 1.2806223479490806) internal successors, (22635), 18132 states have internal predecessors, (22635), 6053 states have call successors, (6053), 1622 states have call predecessors, (6053), 1609 states have return successors, (6052), 5870 states have call predecessors, (6052), 6049 states have call successors, (6052) [2024-12-02 10:42:34,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25340 states to 25340 states and 34740 transitions. [2024-12-02 10:42:34,431 INFO L78 Accepts]: Start accepts. Automaton has 25340 states and 34740 transitions. Word has length 210 [2024-12-02 10:42:34,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:42:34,431 INFO L471 AbstractCegarLoop]: Abstraction has 25340 states and 34740 transitions. [2024-12-02 10:42:34,431 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2024-12-02 10:42:34,432 INFO L276 IsEmpty]: Start isEmpty. Operand 25340 states and 34740 transitions. [2024-12-02 10:42:34,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2024-12-02 10:42:34,437 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:42:34,437 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 14, 14, 14, 14, 14, 14, 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] [2024-12-02 10:42:34,438 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 10:42:34,438 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 10:42:34,438 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:42:34,438 INFO L85 PathProgramCache]: Analyzing trace with hash 394140759, now seen corresponding path program 1 times [2024-12-02 10:42:34,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:42:34,438 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [627561829] [2024-12-02 10:42:34,438 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:42:34,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:42:40,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:42:41,477 INFO L134 CoverageAnalysis]: Checked inductivity of 916 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 909 trivial. 0 not checked. [2024-12-02 10:42:41,477 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:42:41,477 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [627561829] [2024-12-02 10:42:41,478 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [627561829] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:42:41,478 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:42:41,478 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 10:42:41,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [506840097] [2024-12-02 10:42:41,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:42:41,478 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 10:42:41,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:42:41,479 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 10:42:41,479 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:42:41,479 INFO L87 Difference]: Start difference. First operand 25340 states and 34740 transitions. Second operand has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2024-12-02 10:42:45,594 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 10:42:47,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:42:47,348 INFO L93 Difference]: Finished difference Result 70479 states and 96661 transitions. [2024-12-02 10:42:47,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 10:42:47,349 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 240 [2024-12-02 10:42:47,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:42:47,525 INFO L225 Difference]: With dead ends: 70479 [2024-12-02 10:42:47,525 INFO L226 Difference]: Without dead ends: 45172 [2024-12-02 10:42:47,615 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 [2024-12-02 10:42:47,616 INFO L435 NwaCegarLoop]: 4271 mSDtfsCounter, 3389 mSDsluCounter, 3503 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3389 SdHoareTripleChecker+Valid, 7774 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2024-12-02 10:42:47,617 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3389 Valid, 7774 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 52 Invalid, 1 Unknown, 0 Unchecked, 4.9s Time] [2024-12-02 10:42:47,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45172 states. [2024-12-02 10:42:48,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45172 to 45123. [2024-12-02 10:42:48,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45123 states, 31547 states have (on average 1.2790122674105304) internal successors, (40349), 32389 states have internal predecessors, (40349), 10715 states have call successors, (10715), 2883 states have call predecessors, (10715), 2858 states have return successors, (10717), 10365 states have call predecessors, (10717), 10711 states have call successors, (10717) [2024-12-02 10:42:49,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45123 states to 45123 states and 61781 transitions. [2024-12-02 10:42:49,173 INFO L78 Accepts]: Start accepts. Automaton has 45123 states and 61781 transitions. Word has length 240 [2024-12-02 10:42:49,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:42:49,174 INFO L471 AbstractCegarLoop]: Abstraction has 45123 states and 61781 transitions. [2024-12-02 10:42:49,174 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2024-12-02 10:42:49,174 INFO L276 IsEmpty]: Start isEmpty. Operand 45123 states and 61781 transitions. [2024-12-02 10:42:49,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2024-12-02 10:42:49,178 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:42:49,178 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 14, 14, 14, 14, 14, 14, 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] [2024-12-02 10:42:49,178 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-02 10:42:49,178 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 10:42:49,178 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:42:49,178 INFO L85 PathProgramCache]: Analyzing trace with hash -550493389, now seen corresponding path program 1 times [2024-12-02 10:42:49,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:42:49,178 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2035884495] [2024-12-02 10:42:49,178 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:42:49,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:42:55,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:42:55,718 INFO L134 CoverageAnalysis]: Checked inductivity of 1041 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 1029 trivial. 0 not checked. [2024-12-02 10:42:55,718 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:42:55,718 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2035884495] [2024-12-02 10:42:55,718 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2035884495] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:42:55,719 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:42:55,719 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 10:42:55,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958435415] [2024-12-02 10:42:55,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:42:55,720 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 10:42:55,720 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:42:55,720 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 10:42:55,720 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:42:55,721 INFO L87 Difference]: Start difference. First operand 45123 states and 61781 transitions. Second operand has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2024-12-02 10:42:59,794 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 10:43:01,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:43:01,965 INFO L93 Difference]: Finished difference Result 131068 states and 179584 transitions. [2024-12-02 10:43:01,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 10:43:01,966 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 251 [2024-12-02 10:43:01,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:43:02,291 INFO L225 Difference]: With dead ends: 131068 [2024-12-02 10:43:02,292 INFO L226 Difference]: Without dead ends: 87165 [2024-12-02 10:43:02,411 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 [2024-12-02 10:43:02,411 INFO L435 NwaCegarLoop]: 6440 mSDtfsCounter, 3359 mSDsluCounter, 3517 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3359 SdHoareTripleChecker+Valid, 9957 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2024-12-02 10:43:02,412 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3359 Valid, 9957 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 32 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2024-12-02 10:43:02,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87165 states. [2024-12-02 10:43:04,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87165 to 87161. [2024-12-02 10:43:04,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87161 states, 61061 states have (on average 1.2792944760157874) internal successors, (78115), 62611 states have internal predecessors, (78115), 20573 states have call successors, (20573), 5557 states have call predecessors, (20573), 5524 states have return successors, (20581), 20007 states have call predecessors, (20581), 20569 states have call successors, (20581) [2024-12-02 10:43:04,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87161 states to 87161 states and 119269 transitions. [2024-12-02 10:43:04,930 INFO L78 Accepts]: Start accepts. Automaton has 87161 states and 119269 transitions. Word has length 251 [2024-12-02 10:43:04,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:43:04,931 INFO L471 AbstractCegarLoop]: Abstraction has 87161 states and 119269 transitions. [2024-12-02 10:43:04,931 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2024-12-02 10:43:04,931 INFO L276 IsEmpty]: Start isEmpty. Operand 87161 states and 119269 transitions. [2024-12-02 10:43:04,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2024-12-02 10:43:04,935 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:43:04,935 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 14, 14, 14, 14, 14, 14, 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] [2024-12-02 10:43:04,936 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-02 10:43:04,936 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 10:43:04,936 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:43:04,936 INFO L85 PathProgramCache]: Analyzing trace with hash 1372734645, now seen corresponding path program 1 times [2024-12-02 10:43:04,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:43:04,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1636065444] [2024-12-02 10:43:04,936 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:43:04,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:43:13,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:43:14,810 INFO L134 CoverageAnalysis]: Checked inductivity of 1041 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1041 trivial. 0 not checked. [2024-12-02 10:43:14,810 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:43:14,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1636065444] [2024-12-02 10:43:14,810 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1636065444] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:43:14,810 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:43:14,811 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 10:43:14,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [584824676] [2024-12-02 10:43:14,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:43:14,811 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 10:43:14,811 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:43:14,812 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 10:43:14,812 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 10:43:14,813 INFO L87 Difference]: Start difference. First operand 87161 states and 119269 transitions. Second operand has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-12-02 10:43:16,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:43:16,835 INFO L93 Difference]: Finished difference Result 88057 states and 120163 transitions. [2024-12-02 10:43:16,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 10:43:16,835 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 251 [2024-12-02 10:43:16,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:43:17,135 INFO L225 Difference]: With dead ends: 88057 [2024-12-02 10:43:17,135 INFO L226 Difference]: Without dead ends: 88055 [2024-12-02 10:43:17,179 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 10:43:17,180 INFO L435 NwaCegarLoop]: 3548 mSDtfsCounter, 3467 mSDsluCounter, 7127 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3468 SdHoareTripleChecker+Valid, 10675 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 10:43:17,180 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3468 Valid, 10675 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 10:43:17,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88055 states. [2024-12-02 10:43:19,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88055 to 88053. [2024-12-02 10:43:19,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88053 states, 61640 states have (on average 1.277839065541856) internal successors, (78766), 63238 states have internal predecessors, (78766), 20693 states have call successors, (20693), 5750 states have call predecessors, (20693), 5717 states have return successors, (20701), 20127 states have call predecessors, (20701), 20689 states have call successors, (20701) [2024-12-02 10:43:19,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88053 states to 88053 states and 120160 transitions. [2024-12-02 10:43:19,847 INFO L78 Accepts]: Start accepts. Automaton has 88053 states and 120160 transitions. Word has length 251 [2024-12-02 10:43:19,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:43:19,847 INFO L471 AbstractCegarLoop]: Abstraction has 88053 states and 120160 transitions. [2024-12-02 10:43:19,848 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-12-02 10:43:19,848 INFO L276 IsEmpty]: Start isEmpty. Operand 88053 states and 120160 transitions. [2024-12-02 10:43:19,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2024-12-02 10:43:19,853 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:43:19,853 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 14, 14, 14, 14, 14, 14, 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] [2024-12-02 10:43:19,853 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-12-02 10:43:19,854 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 10:43:19,854 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:43:19,854 INFO L85 PathProgramCache]: Analyzing trace with hash -2087621836, now seen corresponding path program 1 times [2024-12-02 10:43:19,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:43:19,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1583796507] [2024-12-02 10:43:19,854 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:43:19,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:43:27,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:43:28,311 INFO L134 CoverageAnalysis]: Checked inductivity of 1043 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1041 trivial. 0 not checked. [2024-12-02 10:43:28,312 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:43:28,312 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1583796507] [2024-12-02 10:43:28,312 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1583796507] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:43:28,312 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:43:28,312 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 10:43:28,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [348757857] [2024-12-02 10:43:28,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:43:28,312 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 10:43:28,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:43:28,313 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 10:43:28,313 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 10:43:28,313 INFO L87 Difference]: Start difference. First operand 88053 states and 120160 transitions. Second operand has 5 states, 5 states have (on average 14.2) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-12-02 10:43:30,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:43:30,310 INFO L93 Difference]: Finished difference Result 88059 states and 120165 transitions. [2024-12-02 10:43:30,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 10:43:30,311 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 256 [2024-12-02 10:43:30,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:43:30,590 INFO L225 Difference]: With dead ends: 88059 [2024-12-02 10:43:30,590 INFO L226 Difference]: Without dead ends: 88057 [2024-12-02 10:43:30,623 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 [2024-12-02 10:43:30,624 INFO L435 NwaCegarLoop]: 3550 mSDtfsCounter, 3477 mSDsluCounter, 7082 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3478 SdHoareTripleChecker+Valid, 10632 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 10:43:30,624 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3478 Valid, 10632 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 10:43:30,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88057 states. [2024-12-02 10:43:32,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88057 to 88057. [2024-12-02 10:43:32,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88057 states, 61643 states have (on average 1.2778255438573722) internal successors, (78769), 63241 states have internal predecessors, (78769), 20693 states have call successors, (20693), 5751 states have call predecessors, (20693), 5718 states have return successors, (20701), 20127 states have call predecessors, (20701), 20689 states have call successors, (20701) [2024-12-02 10:43:33,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88057 states to 88057 states and 120163 transitions. [2024-12-02 10:43:33,196 INFO L78 Accepts]: Start accepts. Automaton has 88057 states and 120163 transitions. Word has length 256 [2024-12-02 10:43:33,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:43:33,197 INFO L471 AbstractCegarLoop]: Abstraction has 88057 states and 120163 transitions. [2024-12-02 10:43:33,197 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-12-02 10:43:33,197 INFO L276 IsEmpty]: Start isEmpty. Operand 88057 states and 120163 transitions. [2024-12-02 10:43:33,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2024-12-02 10:43:33,201 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:43:33,201 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 14, 14, 14, 14, 14, 14, 5, 5, 5, 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] [2024-12-02 10:43:33,201 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-12-02 10:43:33,201 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 10:43:33,202 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:43:33,202 INFO L85 PathProgramCache]: Analyzing trace with hash -1208462210, now seen corresponding path program 1 times [2024-12-02 10:43:33,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:43:33,202 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1261205467] [2024-12-02 10:43:33,202 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:43:33,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:43:39,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:43:39,806 INFO L134 CoverageAnalysis]: Checked inductivity of 1058 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 1049 trivial. 0 not checked. [2024-12-02 10:43:39,806 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:43:39,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1261205467] [2024-12-02 10:43:39,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1261205467] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:43:39,806 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:43:39,807 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 10:43:39,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [267229025] [2024-12-02 10:43:39,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:43:39,807 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 10:43:39,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:43:39,808 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 10:43:39,808 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:43:39,808 INFO L87 Difference]: Start difference. First operand 88057 states and 120163 transitions. Second operand has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2024-12-02 10:43:43,875 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 10:43:47,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:43:47,384 INFO L93 Difference]: Finished difference Result 217430 states and 296874 transitions. [2024-12-02 10:43:47,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 10:43:47,384 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) Word has length 270 [2024-12-02 10:43:47,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:43:47,864 INFO L225 Difference]: With dead ends: 217430 [2024-12-02 10:43:47,864 INFO L226 Difference]: Without dead ends: 130593 [2024-12-02 10:43:48,110 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 [2024-12-02 10:43:48,110 INFO L435 NwaCegarLoop]: 6907 mSDtfsCounter, 3392 mSDsluCounter, 3519 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3392 SdHoareTripleChecker+Valid, 10426 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2024-12-02 10:43:48,111 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3392 Valid, 10426 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 33 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2024-12-02 10:43:48,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130593 states. [2024-12-02 10:43:51,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130593 to 130563. [2024-12-02 10:43:51,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130563 states, 91469 states have (on average 1.2778427664017318) internal successors, (116883), 93799 states have internal predecessors, (116883), 30611 states have call successors, (30611), 8521 states have call predecessors, (30611), 8480 states have return successors, (30625), 29829 states have call predecessors, (30625), 30607 states have call successors, (30625) [2024-12-02 10:43:52,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130563 states to 130563 states and 178119 transitions. [2024-12-02 10:43:52,346 INFO L78 Accepts]: Start accepts. Automaton has 130563 states and 178119 transitions. Word has length 270 [2024-12-02 10:43:52,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:43:52,347 INFO L471 AbstractCegarLoop]: Abstraction has 130563 states and 178119 transitions. [2024-12-02 10:43:52,347 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2024-12-02 10:43:52,347 INFO L276 IsEmpty]: Start isEmpty. Operand 130563 states and 178119 transitions. [2024-12-02 10:43:52,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2024-12-02 10:43:52,351 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:43:52,351 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 14, 14, 14, 14, 14, 14, 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] [2024-12-02 10:43:52,351 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-12-02 10:43:52,351 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 10:43:52,351 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:43:52,351 INFO L85 PathProgramCache]: Analyzing trace with hash 1110348757, now seen corresponding path program 1 times [2024-12-02 10:43:52,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:43:52,352 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358729453] [2024-12-02 10:43:52,352 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:43:52,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:43:58,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:43:59,684 INFO L134 CoverageAnalysis]: Checked inductivity of 1049 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1045 trivial. 0 not checked. [2024-12-02 10:43:59,684 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:43:59,685 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1358729453] [2024-12-02 10:43:59,685 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1358729453] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:43:59,685 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:43:59,685 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 10:43:59,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [864880277] [2024-12-02 10:43:59,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:43:59,685 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 10:43:59,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:43:59,686 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 10:43:59,686 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 10:43:59,686 INFO L87 Difference]: Start difference. First operand 130563 states and 178119 transitions. Second operand has 5 states, 5 states have (on average 14.2) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-12-02 10:44:02,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:44:02,856 INFO L93 Difference]: Finished difference Result 130569 states and 178124 transitions. [2024-12-02 10:44:02,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 10:44:02,856 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 261 [2024-12-02 10:44:02,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:44:03,259 INFO L225 Difference]: With dead ends: 130569 [2024-12-02 10:44:03,259 INFO L226 Difference]: Without dead ends: 130567 [2024-12-02 10:44:03,298 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 [2024-12-02 10:44:03,298 INFO L435 NwaCegarLoop]: 3550 mSDtfsCounter, 3476 mSDsluCounter, 7082 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3477 SdHoareTripleChecker+Valid, 10632 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 10:44:03,299 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3477 Valid, 10632 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 10:44:03,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130567 states. [2024-12-02 10:44:08,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130567 to 130567. [2024-12-02 10:44:08,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130567 states, 91472 states have (on average 1.2778336540143431) internal successors, (116886), 93802 states have internal predecessors, (116886), 30611 states have call successors, (30611), 8522 states have call predecessors, (30611), 8481 states have return successors, (30625), 29829 states have call predecessors, (30625), 30607 states have call successors, (30625) [2024-12-02 10:44:08,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130567 states to 130567 states and 178122 transitions. [2024-12-02 10:44:08,723 INFO L78 Accepts]: Start accepts. Automaton has 130567 states and 178122 transitions. Word has length 261 [2024-12-02 10:44:08,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:44:08,724 INFO L471 AbstractCegarLoop]: Abstraction has 130567 states and 178122 transitions. [2024-12-02 10:44:08,724 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-12-02 10:44:08,724 INFO L276 IsEmpty]: Start isEmpty. Operand 130567 states and 178122 transitions. [2024-12-02 10:44:08,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2024-12-02 10:44:08,728 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:44:08,728 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 14, 14, 14, 14, 14, 14, 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] [2024-12-02 10:44:08,728 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-12-02 10:44:08,728 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_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 10:44:08,729 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:44:08,729 INFO L85 PathProgramCache]: Analyzing trace with hash 1919139732, now seen corresponding path program 1 times [2024-12-02 10:44:08,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:44:08,729 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [566208599] [2024-12-02 10:44:08,729 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:44:08,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:44:16,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:44:17,809 INFO L134 CoverageAnalysis]: Checked inductivity of 1059 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1053 trivial. 0 not checked. [2024-12-02 10:44:17,809 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:44:17,809 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [566208599] [2024-12-02 10:44:17,809 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [566208599] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:44:17,809 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:44:17,809 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 10:44:17,809 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [93990328] [2024-12-02 10:44:17,809 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:44:17,810 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 10:44:17,810 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:44:17,811 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 10:44:17,811 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 10:44:17,811 INFO L87 Difference]: Start difference. First operand 130567 states and 178122 transitions. Second operand has 5 states, 5 states have (on average 14.2) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2024-12-02 10:44:22,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:44:22,130 INFO L93 Difference]: Finished difference Result 130573 states and 178127 transitions. [2024-12-02 10:44:22,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 10:44:22,130 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 266 [2024-12-02 10:44:22,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:44:22,613 INFO L225 Difference]: With dead ends: 130573 [2024-12-02 10:44:22,613 INFO L226 Difference]: Without dead ends: 130571 [2024-12-02 10:44:22,678 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 [2024-12-02 10:44:22,679 INFO L435 NwaCegarLoop]: 3550 mSDtfsCounter, 3475 mSDsluCounter, 7082 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3476 SdHoareTripleChecker+Valid, 10632 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 10:44:22,679 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3476 Valid, 10632 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 10:44:22,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130571 states. [2024-12-02 10:44:26,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130571 to 130571. [2024-12-02 10:44:27,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130571 states, 91475 states have (on average 1.2778245422246515) internal successors, (116889), 93805 states have internal predecessors, (116889), 30611 states have call successors, (30611), 8523 states have call predecessors, (30611), 8482 states have return successors, (30625), 29829 states have call predecessors, (30625), 30607 states have call successors, (30625) [2024-12-02 10:44:27,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130571 states to 130571 states and 178125 transitions. [2024-12-02 10:44:27,556 INFO L78 Accepts]: Start accepts. Automaton has 130571 states and 178125 transitions. Word has length 266 [2024-12-02 10:44:27,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:44:27,556 INFO L471 AbstractCegarLoop]: Abstraction has 130571 states and 178125 transitions. [2024-12-02 10:44:27,556 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2024-12-02 10:44:27,556 INFO L276 IsEmpty]: Start isEmpty. Operand 130571 states and 178125 transitions. [2024-12-02 10:44:27,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2024-12-02 10:44:27,561 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:44:27,561 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 14, 14, 14, 14, 14, 14, 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] [2024-12-02 10:44:27,561 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-12-02 10:44:27,561 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 10:44:27,562 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:44:27,562 INFO L85 PathProgramCache]: Analyzing trace with hash -1044632843, now seen corresponding path program 1 times [2024-12-02 10:44:27,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:44:27,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1456137420] [2024-12-02 10:44:27,562 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:44:27,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:44:35,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:44:36,543 INFO L134 CoverageAnalysis]: Checked inductivity of 1073 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 1065 trivial. 0 not checked. [2024-12-02 10:44:36,543 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:44:36,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1456137420] [2024-12-02 10:44:36,543 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1456137420] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:44:36,543 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:44:36,543 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 10:44:36,543 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039908868] [2024-12-02 10:44:36,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:44:36,544 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 10:44:36,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:44:36,544 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 10:44:36,544 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 10:44:36,544 INFO L87 Difference]: Start difference. First operand 130571 states and 178125 transitions. Second operand has 5 states, 5 states have (on average 14.2) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-12-02 10:44:40,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:44:40,241 INFO L93 Difference]: Finished difference Result 130577 states and 178130 transitions. [2024-12-02 10:44:40,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 10:44:40,242 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 271 [2024-12-02 10:44:40,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:44:40,795 INFO L225 Difference]: With dead ends: 130577 [2024-12-02 10:44:40,795 INFO L226 Difference]: Without dead ends: 130575 [2024-12-02 10:44:40,870 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 [2024-12-02 10:44:40,871 INFO L435 NwaCegarLoop]: 3550 mSDtfsCounter, 3474 mSDsluCounter, 7082 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3475 SdHoareTripleChecker+Valid, 10632 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 10:44:40,871 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3475 Valid, 10632 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 10:44:40,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130575 states. [2024-12-02 10:44:45,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130575 to 130575. [2024-12-02 10:44:45,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130575 states, 91478 states have (on average 1.277815431032598) internal successors, (116892), 93808 states have internal predecessors, (116892), 30611 states have call successors, (30611), 8524 states have call predecessors, (30611), 8483 states have return successors, (30625), 29829 states have call predecessors, (30625), 30607 states have call successors, (30625) [2024-12-02 10:44:46,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130575 states to 130575 states and 178128 transitions. [2024-12-02 10:44:46,330 INFO L78 Accepts]: Start accepts. Automaton has 130575 states and 178128 transitions. Word has length 271 [2024-12-02 10:44:46,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:44:46,331 INFO L471 AbstractCegarLoop]: Abstraction has 130575 states and 178128 transitions. [2024-12-02 10:44:46,331 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-12-02 10:44:46,331 INFO L276 IsEmpty]: Start isEmpty. Operand 130575 states and 178128 transitions. [2024-12-02 10:44:46,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2024-12-02 10:44:46,335 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:44:46,335 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 14, 14, 14, 14, 14, 14, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:44:46,336 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-12-02 10:44:46,336 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 10:44:46,336 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:44:46,336 INFO L85 PathProgramCache]: Analyzing trace with hash 596619476, now seen corresponding path program 1 times [2024-12-02 10:44:46,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:44:46,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1684604340] [2024-12-02 10:44:46,337 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:44:46,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:44:53,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:44:54,568 INFO L134 CoverageAnalysis]: Checked inductivity of 880 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 880 trivial. 0 not checked. [2024-12-02 10:44:54,568 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:44:54,568 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1684604340] [2024-12-02 10:44:54,568 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1684604340] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:44:54,568 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:44:54,568 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 10:44:54,568 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [477224954] [2024-12-02 10:44:54,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:44:54,569 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 10:44:54,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:44:54,570 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 10:44:54,570 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:44:54,570 INFO L87 Difference]: Start difference. First operand 130575 states and 178128 transitions. Second operand has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 3 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2024-12-02 10:44:58,682 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 10:45:08,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:45:08,879 INFO L93 Difference]: Finished difference Result 379982 states and 518181 transitions. [2024-12-02 10:45:08,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 10:45:08,880 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 3 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) Word has length 300 [2024-12-02 10:45:08,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:45:09,810 INFO L225 Difference]: With dead ends: 379982 [2024-12-02 10:45:09,810 INFO L226 Difference]: Without dead ends: 249440 [2024-12-02 10:45:10,195 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 [2024-12-02 10:45:10,196 INFO L435 NwaCegarLoop]: 3565 mSDtfsCounter, 3465 mSDsluCounter, 3527 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3465 SdHoareTripleChecker+Valid, 7092 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2024-12-02 10:45:10,196 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3465 Valid, 7092 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 24 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2024-12-02 10:45:10,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249440 states. [2024-12-02 10:45:20,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249440 to 249347. [2024-12-02 10:45:20,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 249347 states, 175093 states have (on average 1.2763331486695642) internal successors, (223477), 179603 states have internal predecessors, (223477), 58065 states have call successors, (58065), 16267 states have call predecessors, (58065), 16186 states have return successors, (58097), 56506 states have call predecessors, (58097), 58061 states have call successors, (58097) [2024-12-02 10:45:21,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249347 states to 249347 states and 339639 transitions. [2024-12-02 10:45:21,479 INFO L78 Accepts]: Start accepts. Automaton has 249347 states and 339639 transitions. Word has length 300 [2024-12-02 10:45:21,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:45:21,480 INFO L471 AbstractCegarLoop]: Abstraction has 249347 states and 339639 transitions. [2024-12-02 10:45:21,480 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 3 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2024-12-02 10:45:21,480 INFO L276 IsEmpty]: Start isEmpty. Operand 249347 states and 339639 transitions. [2024-12-02 10:45:21,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2024-12-02 10:45:21,483 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:45:21,483 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 14, 14, 14, 14, 14, 14, 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] [2024-12-02 10:45:21,483 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-12-02 10:45:21,484 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 10:45:21,484 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:45:21,484 INFO L85 PathProgramCache]: Analyzing trace with hash -2054042636, now seen corresponding path program 1 times [2024-12-02 10:45:21,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:45:21,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [273842410] [2024-12-02 10:45:21,485 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:45:21,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:45:30,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:45:31,670 INFO L134 CoverageAnalysis]: Checked inductivity of 1091 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 1081 trivial. 0 not checked. [2024-12-02 10:45:31,670 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:45:31,670 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [273842410] [2024-12-02 10:45:31,670 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [273842410] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:45:31,670 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:45:31,670 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 10:45:31,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140316406] [2024-12-02 10:45:31,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:45:31,671 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 10:45:31,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:45:31,671 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 10:45:31,671 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 10:45:31,672 INFO L87 Difference]: Start difference. First operand 249347 states and 339639 transitions. Second operand has 5 states, 5 states have (on average 14.2) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2024-12-02 10:45:40,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:45:40,837 INFO L93 Difference]: Finished difference Result 249353 states and 339644 transitions. [2024-12-02 10:45:40,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 10:45:40,838 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 276 [2024-12-02 10:45:40,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:45:42,083 INFO L225 Difference]: With dead ends: 249353 [2024-12-02 10:45:42,083 INFO L226 Difference]: Without dead ends: 249351 [2024-12-02 10:45:42,182 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 [2024-12-02 10:45:42,183 INFO L435 NwaCegarLoop]: 3550 mSDtfsCounter, 3473 mSDsluCounter, 7082 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3474 SdHoareTripleChecker+Valid, 10632 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 10:45:42,183 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3474 Valid, 10632 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 10:45:42,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249351 states. [2024-12-02 10:45:54,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249351 to 249351. [2024-12-02 10:45:54,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 249351 states, 175096 states have (on average 1.2763284141271074) internal successors, (223480), 179606 states have internal predecessors, (223480), 58065 states have call successors, (58065), 16268 states have call predecessors, (58065), 16187 states have return successors, (58097), 56506 states have call predecessors, (58097), 58061 states have call successors, (58097) [2024-12-02 10:45:55,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249351 states to 249351 states and 339642 transitions. [2024-12-02 10:45:55,466 INFO L78 Accepts]: Start accepts. Automaton has 249351 states and 339642 transitions. Word has length 276 [2024-12-02 10:45:55,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:45:55,466 INFO L471 AbstractCegarLoop]: Abstraction has 249351 states and 339642 transitions. [2024-12-02 10:45:55,466 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2024-12-02 10:45:55,467 INFO L276 IsEmpty]: Start isEmpty. Operand 249351 states and 339642 transitions. [2024-12-02 10:45:55,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2024-12-02 10:45:55,470 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:45:55,470 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 14, 14, 14, 14, 14, 14, 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] [2024-12-02 10:45:55,470 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-12-02 10:45:55,470 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 10:45:55,471 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:45:55,471 INFO L85 PathProgramCache]: Analyzing trace with hash -1719596523, now seen corresponding path program 1 times [2024-12-02 10:45:55,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:45:55,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [673718736] [2024-12-02 10:45:55,471 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:45:55,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:46:04,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:46:04,742 INFO L134 CoverageAnalysis]: Checked inductivity of 1113 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 1101 trivial. 0 not checked. [2024-12-02 10:46:04,742 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:46:04,742 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [673718736] [2024-12-02 10:46:04,742 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [673718736] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:46:04,742 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:46:04,743 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 10:46:04,743 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [807841458] [2024-12-02 10:46:04,743 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:46:04,743 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 10:46:04,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:46:04,744 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 10:46:04,744 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 10:46:04,744 INFO L87 Difference]: Start difference. First operand 249351 states and 339642 transitions. Second operand has 5 states, 5 states have (on average 14.2) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2024-12-02 10:46:15,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:46:15,108 INFO L93 Difference]: Finished difference Result 293384 states and 397905 transitions. [2024-12-02 10:46:15,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 10:46:15,108 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 281 [2024-12-02 10:46:15,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:46:16,034 INFO L225 Difference]: With dead ends: 293384 [2024-12-02 10:46:16,035 INFO L226 Difference]: Without dead ends: 293382 [2024-12-02 10:46:16,119 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 [2024-12-02 10:46:16,120 INFO L435 NwaCegarLoop]: 3675 mSDtfsCounter, 3289 mSDsluCounter, 8081 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3290 SdHoareTripleChecker+Valid, 11756 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 10:46:16,120 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3290 Valid, 11756 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 10:46:16,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293382 states. [2024-12-02 10:46:30,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293382 to 293380. [2024-12-02 10:46:30,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 293380 states, 204628 states have (on average 1.2743319584807553) internal successors, (260764), 209882 states have internal predecessors, (260764), 68553 states have call successors, (68553), 20277 states have call predecessors, (68553), 20196 states have return successors, (68585), 66730 states have call predecessors, (68585), 68549 states have call successors, (68585) [2024-12-02 10:46:31,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293380 states to 293380 states and 397902 transitions. [2024-12-02 10:46:31,638 INFO L78 Accepts]: Start accepts. Automaton has 293380 states and 397902 transitions. Word has length 281 [2024-12-02 10:46:31,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:46:31,639 INFO L471 AbstractCegarLoop]: Abstraction has 293380 states and 397902 transitions. [2024-12-02 10:46:31,639 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2024-12-02 10:46:31,639 INFO L276 IsEmpty]: Start isEmpty. Operand 293380 states and 397902 transitions. [2024-12-02 10:46:31,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2024-12-02 10:46:31,643 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:46:31,643 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 14, 14, 14, 14, 14, 14, 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] [2024-12-02 10:46:31,644 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-12-02 10:46:31,644 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 10:46:31,644 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:46:31,644 INFO L85 PathProgramCache]: Analyzing trace with hash -1479176108, now seen corresponding path program 1 times [2024-12-02 10:46:31,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:46:31,644 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2035624681] [2024-12-02 10:46:31,645 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:46:31,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:46:39,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:46:39,768 INFO L134 CoverageAnalysis]: Checked inductivity of 1139 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 1125 trivial. 0 not checked. [2024-12-02 10:46:39,768 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:46:39,768 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2035624681] [2024-12-02 10:46:39,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2035624681] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:46:39,768 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:46:39,768 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 10:46:39,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1086396760] [2024-12-02 10:46:39,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:46:39,769 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 10:46:39,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:46:39,769 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 10:46:39,769 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 10:46:39,769 INFO L87 Difference]: Start difference. First operand 293380 states and 397902 transitions. Second operand has 5 states, 5 states have (on average 14.2) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2024-12-02 10:46:51,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:46:51,007 INFO L93 Difference]: Finished difference Result 293386 states and 397907 transitions. [2024-12-02 10:46:51,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 10:46:51,007 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 286 [2024-12-02 10:46:51,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:46:51,937 INFO L225 Difference]: With dead ends: 293386 [2024-12-02 10:46:51,937 INFO L226 Difference]: Without dead ends: 293384 [2024-12-02 10:46:52,019 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 [2024-12-02 10:46:52,020 INFO L435 NwaCegarLoop]: 3550 mSDtfsCounter, 3471 mSDsluCounter, 7082 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3472 SdHoareTripleChecker+Valid, 10632 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 10:46:52,020 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3472 Valid, 10632 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 10:46:52,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293384 states. [2024-12-02 10:47:05,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293384 to 293384. [2024-12-02 10:47:05,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 293384 states, 204631 states have (on average 1.2743279366273927) internal successors, (260767), 209885 states have internal predecessors, (260767), 68553 states have call successors, (68553), 20278 states have call predecessors, (68553), 20197 states have return successors, (68585), 66730 states have call predecessors, (68585), 68549 states have call successors, (68585) [2024-12-02 10:47:06,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293384 states to 293384 states and 397905 transitions. [2024-12-02 10:47:06,771 INFO L78 Accepts]: Start accepts. Automaton has 293384 states and 397905 transitions. Word has length 286 [2024-12-02 10:47:06,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:47:06,772 INFO L471 AbstractCegarLoop]: Abstraction has 293384 states and 397905 transitions. [2024-12-02 10:47:06,772 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2024-12-02 10:47:06,772 INFO L276 IsEmpty]: Start isEmpty. Operand 293384 states and 397905 transitions. [2024-12-02 10:47:06,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2024-12-02 10:47:06,779 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:47:06,780 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 14, 14, 14, 14, 14, 14, 9, 8, 8, 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] [2024-12-02 10:47:06,780 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-12-02 10:47:06,780 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 10:47:06,780 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:47:06,780 INFO L85 PathProgramCache]: Analyzing trace with hash -2096942795, now seen corresponding path program 1 times [2024-12-02 10:47:06,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:47:06,781 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1584058480] [2024-12-02 10:47:06,781 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:47:06,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:47:15,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:47:16,076 INFO L134 CoverageAnalysis]: Checked inductivity of 1169 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 1153 trivial. 0 not checked. [2024-12-02 10:47:16,076 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:47:16,076 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1584058480] [2024-12-02 10:47:16,076 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1584058480] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:47:16,076 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:47:16,076 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 10:47:16,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044564935] [2024-12-02 10:47:16,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:47:16,077 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 10:47:16,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:47:16,077 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 10:47:16,077 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 10:47:16,078 INFO L87 Difference]: Start difference. First operand 293384 states and 397905 transitions. Second operand has 5 states, 5 states have (on average 14.2) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-12-02 10:47:28,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:47:28,100 INFO L93 Difference]: Finished difference Result 293390 states and 397910 transitions. [2024-12-02 10:47:28,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 10:47:28,101 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 291 [2024-12-02 10:47:28,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:47:29,397 INFO L225 Difference]: With dead ends: 293390 [2024-12-02 10:47:29,397 INFO L226 Difference]: Without dead ends: 293388 [2024-12-02 10:47:29,489 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 [2024-12-02 10:47:29,489 INFO L435 NwaCegarLoop]: 3550 mSDtfsCounter, 3470 mSDsluCounter, 7082 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3471 SdHoareTripleChecker+Valid, 10632 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 10:47:29,489 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3471 Valid, 10632 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 10:47:29,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293388 states. [2024-12-02 10:47:47,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293388 to 293388. [2024-12-02 10:47:47,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 293388 states, 204634 states have (on average 1.2743239148919534) internal successors, (260770), 209888 states have internal predecessors, (260770), 68553 states have call successors, (68553), 20279 states have call predecessors, (68553), 20198 states have return successors, (68585), 66730 states have call predecessors, (68585), 68549 states have call successors, (68585) [2024-12-02 10:47:48,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293388 states to 293388 states and 397908 transitions. [2024-12-02 10:47:48,783 INFO L78 Accepts]: Start accepts. Automaton has 293388 states and 397908 transitions. Word has length 291 [2024-12-02 10:47:48,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:47:48,784 INFO L471 AbstractCegarLoop]: Abstraction has 293388 states and 397908 transitions. [2024-12-02 10:47:48,784 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-12-02 10:47:48,784 INFO L276 IsEmpty]: Start isEmpty. Operand 293388 states and 397908 transitions. [2024-12-02 10:47:48,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2024-12-02 10:47:48,789 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:47:48,789 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 14, 14, 14, 14, 14, 14, 10, 9, 9, 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] [2024-12-02 10:47:48,790 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-12-02 10:47:48,790 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 10:47:48,790 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:47:48,790 INFO L85 PathProgramCache]: Analyzing trace with hash 594087092, now seen corresponding path program 1 times [2024-12-02 10:47:48,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:47:48,790 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [318894073] [2024-12-02 10:47:48,790 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:47:48,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:47:57,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:47:58,282 INFO L134 CoverageAnalysis]: Checked inductivity of 1203 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 1185 trivial. 0 not checked. [2024-12-02 10:47:58,283 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:47:58,283 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [318894073] [2024-12-02 10:47:58,283 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [318894073] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:47:58,283 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:47:58,283 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 10:47:58,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [497264857] [2024-12-02 10:47:58,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:47:58,284 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 10:47:58,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:47:58,285 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 10:47:58,285 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 10:47:58,285 INFO L87 Difference]: Start difference. First operand 293388 states and 397908 transitions. Second operand has 5 states, 5 states have (on average 14.2) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2024-12-02 10:48:14,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:48:14,957 INFO L93 Difference]: Finished difference Result 293394 states and 397913 transitions. [2024-12-02 10:48:14,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 10:48:14,958 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 296 [2024-12-02 10:48:14,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:48:16,370 INFO L225 Difference]: With dead ends: 293394 [2024-12-02 10:48:16,371 INFO L226 Difference]: Without dead ends: 293392 [2024-12-02 10:48:16,472 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 [2024-12-02 10:48:16,473 INFO L435 NwaCegarLoop]: 3550 mSDtfsCounter, 3469 mSDsluCounter, 7082 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3470 SdHoareTripleChecker+Valid, 10632 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 10:48:16,474 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3470 Valid, 10632 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 10:48:16,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293392 states. [2024-12-02 10:48:33,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293392 to 293392. [2024-12-02 10:48:33,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 293392 states, 204637 states have (on average 1.2743198932744322) internal successors, (260773), 209891 states have internal predecessors, (260773), 68553 states have call successors, (68553), 20280 states have call predecessors, (68553), 20199 states have return successors, (68585), 66730 states have call predecessors, (68585), 68549 states have call successors, (68585) [2024-12-02 10:48:35,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293392 states to 293392 states and 397911 transitions. [2024-12-02 10:48:35,421 INFO L78 Accepts]: Start accepts. Automaton has 293392 states and 397911 transitions. Word has length 296 [2024-12-02 10:48:35,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:48:35,422 INFO L471 AbstractCegarLoop]: Abstraction has 293392 states and 397911 transitions. [2024-12-02 10:48:35,422 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2024-12-02 10:48:35,422 INFO L276 IsEmpty]: Start isEmpty. Operand 293392 states and 397911 transitions. [2024-12-02 10:48:35,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2024-12-02 10:48:35,429 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:48:35,430 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 14, 14, 14, 14, 14, 14, 11, 10, 10, 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] [2024-12-02 10:48:35,430 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-12-02 10:48:35,430 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 10:48:35,431 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:48:35,431 INFO L85 PathProgramCache]: Analyzing trace with hash -2008506283, now seen corresponding path program 1 times [2024-12-02 10:48:35,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:48:35,431 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2043298054] [2024-12-02 10:48:35,431 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:48:35,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:48:43,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:48:44,531 INFO L134 CoverageAnalysis]: Checked inductivity of 1241 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 1221 trivial. 0 not checked. [2024-12-02 10:48:44,531 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:48:44,531 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2043298054] [2024-12-02 10:48:44,531 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2043298054] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:48:44,531 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:48:44,531 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 10:48:44,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1485036758] [2024-12-02 10:48:44,531 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:48:44,532 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 10:48:44,532 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:48:44,533 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 10:48:44,533 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 10:48:44,533 INFO L87 Difference]: Start difference. First operand 293392 states and 397911 transitions. Second operand has 5 states, 5 states have (on average 14.2) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (36), 3 states have call predecessors, (36), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2024-12-02 10:48:59,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:48:59,143 INFO L93 Difference]: Finished difference Result 293398 states and 397916 transitions. [2024-12-02 10:48:59,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 10:48:59,143 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (36), 3 states have call predecessors, (36), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 301 [2024-12-02 10:48:59,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:49:00,335 INFO L225 Difference]: With dead ends: 293398 [2024-12-02 10:49:00,335 INFO L226 Difference]: Without dead ends: 293394 [2024-12-02 10:49:00,438 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 [2024-12-02 10:49:00,439 INFO L435 NwaCegarLoop]: 3550 mSDtfsCounter, 3468 mSDsluCounter, 7082 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3469 SdHoareTripleChecker+Valid, 10632 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 10:49:00,439 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3469 Valid, 10632 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 10:49:00,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293394 states. [2024-12-02 10:49:17,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293394 to 293394. [2024-12-02 10:49:17,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 293394 states, 204639 states have (on average 1.2743123256075333) internal successors, (260774), 209892 states have internal predecessors, (260774), 68553 states have call successors, (68553), 20281 states have call predecessors, (68553), 20199 states have return successors, (68585), 66730 states have call predecessors, (68585), 68549 states have call successors, (68585) [2024-12-02 10:49:18,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293394 states to 293394 states and 397912 transitions. [2024-12-02 10:49:19,015 INFO L78 Accepts]: Start accepts. Automaton has 293394 states and 397912 transitions. Word has length 301 [2024-12-02 10:49:19,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:49:19,016 INFO L471 AbstractCegarLoop]: Abstraction has 293394 states and 397912 transitions. [2024-12-02 10:49:19,016 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (36), 3 states have call predecessors, (36), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2024-12-02 10:49:19,016 INFO L276 IsEmpty]: Start isEmpty. Operand 293394 states and 397912 transitions. [2024-12-02 10:49:19,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 343 [2024-12-02 10:49:19,023 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:49:19,023 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 14, 14, 14, 14, 14, 14, 12, 11, 11, 6, 6, 6, 3, 3, 3, 3, 3, 3, 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] [2024-12-02 10:49:19,023 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-12-02 10:49:19,023 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 10:49:19,024 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:49:19,024 INFO L85 PathProgramCache]: Analyzing trace with hash 727677709, now seen corresponding path program 1 times [2024-12-02 10:49:19,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:49:19,024 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1965192994] [2024-12-02 10:49:19,024 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:49:19,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:49:25,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:49:26,850 INFO L134 CoverageAnalysis]: Checked inductivity of 1442 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 1420 trivial. 0 not checked. [2024-12-02 10:49:26,850 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:49:26,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1965192994] [2024-12-02 10:49:26,851 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1965192994] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:49:26,851 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:49:26,851 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 10:49:26,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [394501415] [2024-12-02 10:49:26,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:49:26,852 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 10:49:26,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:49:26,852 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 10:49:26,852 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 10:49:26,853 INFO L87 Difference]: Start difference. First operand 293394 states and 397912 transitions. Second operand has 5 states, 5 states have (on average 16.6) internal successors, (83), 4 states have internal predecessors, (83), 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) [2024-12-02 10:49:41,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:49:41,715 INFO L93 Difference]: Finished difference Result 293394 states and 397912 transitions. [2024-12-02 10:49:41,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 10:49:41,715 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.6) internal successors, (83), 4 states have internal predecessors, (83), 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 342 [2024-12-02 10:49:41,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:49:42,725 INFO L225 Difference]: With dead ends: 293394 [2024-12-02 10:49:42,725 INFO L226 Difference]: Without dead ends: 292172 [2024-12-02 10:49:42,819 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 10:49:42,819 INFO L435 NwaCegarLoop]: 3548 mSDtfsCounter, 3458 mSDsluCounter, 7080 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3458 SdHoareTripleChecker+Valid, 10628 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 10:49:42,820 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3458 Valid, 10628 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 10:49:43,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292172 states. [2024-12-02 10:49:59,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292172 to 292172. [2024-12-02 10:49:59,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 292172 states, 203780 states have (on average 1.2743203454706056) internal successors, (259681), 208889 states have internal predecessors, (259681), 68232 states have call successors, (68232), 20206 states have call predecessors, (68232), 20158 states have return successors, (68268), 66586 states have call predecessors, (68268), 68232 states have call successors, (68268) [2024-12-02 10:50:00,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292172 states to 292172 states and 396181 transitions. [2024-12-02 10:50:01,044 INFO L78 Accepts]: Start accepts. Automaton has 292172 states and 396181 transitions. Word has length 342 [2024-12-02 10:50:01,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:50:01,045 INFO L471 AbstractCegarLoop]: Abstraction has 292172 states and 396181 transitions. [2024-12-02 10:50:01,045 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.6) internal successors, (83), 4 states have internal predecessors, (83), 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) [2024-12-02 10:50:01,045 INFO L276 IsEmpty]: Start isEmpty. Operand 292172 states and 396181 transitions. [2024-12-02 10:50:01,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2024-12-02 10:50:01,052 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:50:01,053 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 14, 14, 14, 14, 14, 14, 4, 4, 4, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:50:01,053 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-12-02 10:50:01,053 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 10:50:01,053 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:50:01,054 INFO L85 PathProgramCache]: Analyzing trace with hash -395023796, now seen corresponding path program 1 times [2024-12-02 10:50:01,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:50:01,054 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [885980758] [2024-12-02 10:50:01,054 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:50:01,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:50:07,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:50:07,876 INFO L134 CoverageAnalysis]: Checked inductivity of 1159 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 1143 trivial. 0 not checked. [2024-12-02 10:50:07,876 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:50:07,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [885980758] [2024-12-02 10:50:07,876 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [885980758] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:50:07,876 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:50:07,876 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 10:50:07,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168469813] [2024-12-02 10:50:07,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:50:07,877 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 10:50:07,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:50:07,877 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 10:50:07,877 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:50:07,877 INFO L87 Difference]: Start difference. First operand 292172 states and 396181 transitions. Second operand has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 3 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2024-12-02 10:50:11,963 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 10:50:34,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:50:34,214 INFO L93 Difference]: Finished difference Result 673026 states and 912586 transitions. [2024-12-02 10:50:34,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 10:50:34,215 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 3 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 312 [2024-12-02 10:50:34,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:50:36,367 INFO L225 Difference]: With dead ends: 673026 [2024-12-02 10:50:36,367 INFO L226 Difference]: Without dead ends: 381100 [2024-12-02 10:50:37,215 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 [2024-12-02 10:50:37,216 INFO L435 NwaCegarLoop]: 4492 mSDtfsCounter, 2883 mSDsluCounter, 3428 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 14 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2883 SdHoareTripleChecker+Valid, 7920 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2024-12-02 10:50:37,216 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2883 Valid, 7920 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 70 Invalid, 1 Unknown, 0 Unchecked, 5.1s Time] [2024-12-02 10:50:37,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 381100 states. [2024-12-02 10:51:00,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 381100 to 381080. [2024-12-02 10:51:00,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 381080 states, 265796 states have (on average 1.273017652635856) internal successors, (338363), 272438 states have internal predecessors, (338363), 88802 states have call successors, (88802), 26540 states have call predecessors, (88802), 26480 states have return successors, (88850), 86649 states have call predecessors, (88850), 88802 states have call successors, (88850) [2024-12-02 10:51:02,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381080 states to 381080 states and 516015 transitions. [2024-12-02 10:51:02,711 INFO L78 Accepts]: Start accepts. Automaton has 381080 states and 516015 transitions. Word has length 312 [2024-12-02 10:51:02,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:51:02,712 INFO L471 AbstractCegarLoop]: Abstraction has 381080 states and 516015 transitions. [2024-12-02 10:51:02,712 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 3 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2024-12-02 10:51:02,712 INFO L276 IsEmpty]: Start isEmpty. Operand 381080 states and 516015 transitions. [2024-12-02 10:51:02,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 356 [2024-12-02 10:51:02,739 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:51:02,740 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 14, 14, 14, 14, 14, 14, 6, 6, 6, 5, 5, 5, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:51:02,740 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-12-02 10:51:02,740 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 10:51:02,740 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:51:02,741 INFO L85 PathProgramCache]: Analyzing trace with hash 1469338895, now seen corresponding path program 1 times [2024-12-02 10:51:02,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:51:02,741 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1325168105] [2024-12-02 10:51:02,741 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:51:02,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:51:10,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:51:10,297 INFO L134 CoverageAnalysis]: Checked inductivity of 1361 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 1320 trivial. 0 not checked. [2024-12-02 10:51:10,297 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:51:10,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1325168105] [2024-12-02 10:51:10,297 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1325168105] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:51:10,298 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:51:10,298 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 10:51:10,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1365511146] [2024-12-02 10:51:10,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:51:10,298 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 10:51:10,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:51:10,298 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 10:51:10,299 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:51:10,299 INFO L87 Difference]: Start difference. First operand 381080 states and 516015 transitions. Second operand has 3 states, 3 states have (on average 43.0) internal successors, (129), 3 states have internal predecessors, (129), 3 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2024-12-02 10:51:14,366 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 10:51:41,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:51:41,964 INFO L93 Difference]: Finished difference Result 887445 states and 1201746 transitions. [2024-12-02 10:51:41,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 10:51:41,964 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.0) internal successors, (129), 3 states have internal predecessors, (129), 3 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) Word has length 355 [2024-12-02 10:51:41,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:51:44,517 INFO L225 Difference]: With dead ends: 887445 [2024-12-02 10:51:44,517 INFO L226 Difference]: Without dead ends: 506204 [2024-12-02 10:51:45,376 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 [2024-12-02 10:51:45,381 INFO L435 NwaCegarLoop]: 6847 mSDtfsCounter, 3353 mSDsluCounter, 3470 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3353 SdHoareTripleChecker+Valid, 10317 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2024-12-02 10:51:45,381 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3353 Valid, 10317 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2024-12-02 10:51:45,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 506204 states.