./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-natsemi-ns83820.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_6d09db26-8648-48d0-88d5-2299159a9984/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d09db26-8648-48d0-88d5-2299159a9984/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d09db26-8648-48d0-88d5-2299159a9984/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d09db26-8648-48d0-88d5-2299159a9984/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-natsemi-ns83820.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d09db26-8648-48d0-88d5-2299159a9984/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d09db26-8648-48d0-88d5-2299159a9984/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a8ab8b9c7011aec39f84a1ecf826f202398208cb106ea4649e1adfd1ea4d4076 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 02:35:33,129 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 02:35:33,230 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d09db26-8648-48d0-88d5-2299159a9984/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-28 02:35:33,236 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 02:35:33,237 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 02:35:33,276 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 02:35:33,277 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 02:35:33,277 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 02:35:33,277 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 02:35:33,278 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 02:35:33,279 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 02:35:33,279 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 02:35:33,279 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 02:35:33,279 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 02:35:33,280 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 02:35:33,280 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 02:35:33,280 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 02:35:33,280 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 02:35:33,280 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 02:35:33,280 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 02:35:33,280 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 02:35:33,280 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 02:35:33,280 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 02:35:33,281 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 02:35:33,281 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 02:35:33,281 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 02:35:33,281 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:35:33,282 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:35:33,282 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:35:33,282 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:35:33,282 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 02:35:33,283 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:35:33,283 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:35:33,283 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:35:33,283 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:35:33,283 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 02:35:33,283 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 02:35:33,283 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 02:35:33,283 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 02:35:33,283 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 02:35:33,283 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 02:35:33,284 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 02:35:33,284 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 02:35:33,284 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 02:35:33,284 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 02:35:33,284 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_6d09db26-8648-48d0-88d5-2299159a9984/bin/uautomizer-verify-aQ6SnzHsRB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a8ab8b9c7011aec39f84a1ecf826f202398208cb106ea4649e1adfd1ea4d4076 [2024-11-28 02:35:33,644 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 02:35:33,658 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 02:35:33,660 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 02:35:33,664 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 02:35:33,664 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 02:35:33,666 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d09db26-8648-48d0-88d5-2299159a9984/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-natsemi-ns83820.cil.i [2024-11-28 02:35:36,821 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d09db26-8648-48d0-88d5-2299159a9984/bin/uautomizer-verify-aQ6SnzHsRB/data/654698c6e/2e00668d0b044aa7abdc020b376564f4/FLAGb77fa1c7d [2024-11-28 02:35:37,621 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 02:35:37,622 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d09db26-8648-48d0-88d5-2299159a9984/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-natsemi-ns83820.cil.i [2024-11-28 02:35:37,672 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d09db26-8648-48d0-88d5-2299159a9984/bin/uautomizer-verify-aQ6SnzHsRB/data/654698c6e/2e00668d0b044aa7abdc020b376564f4/FLAGb77fa1c7d [2024-11-28 02:35:37,694 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d09db26-8648-48d0-88d5-2299159a9984/bin/uautomizer-verify-aQ6SnzHsRB/data/654698c6e/2e00668d0b044aa7abdc020b376564f4 [2024-11-28 02:35:37,697 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 02:35:37,700 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 02:35:37,701 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 02:35:37,703 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 02:35:37,712 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 02:35:37,713 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:35:37" (1/1) ... [2024-11-28 02:35:37,714 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@465cad0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:35:37, skipping insertion in model container [2024-11-28 02:35:37,714 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:35:37" (1/1) ... [2024-11-28 02:35:37,875 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 02:35:40,814 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_6d09db26-8648-48d0-88d5-2299159a9984/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-natsemi-ns83820.cil.i[322443,322456] [2024-11-28 02:35:40,818 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_6d09db26-8648-48d0-88d5-2299159a9984/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-natsemi-ns83820.cil.i[322612,322625] [2024-11-28 02:35:40,819 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_6d09db26-8648-48d0-88d5-2299159a9984/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-natsemi-ns83820.cil.i[322779,322792] [2024-11-28 02:35:40,820 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_6d09db26-8648-48d0-88d5-2299159a9984/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-natsemi-ns83820.cil.i[322947,322960] [2024-11-28 02:35:40,851 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:35:40,943 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 02:35:41,093 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"); [5259] [2024-11-28 02:35:41,095 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)); [5266] [2024-11-28 02:35:41,096 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5273] [2024-11-28 02:35:41,099 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)); [5316-5317] [2024-11-28 02:35:41,100 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"); [5322-5324] [2024-11-28 02:35:41,102 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; incl %0": "+m" (v->counter)); [5344] [2024-11-28 02:35:41,102 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; decl %0": "+m" (v->counter)); [5351] [2024-11-28 02:35:41,110 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [5513] [2024-11-28 02:35:41,111 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [5520] [2024-11-28 02:35:41,121 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)); [5614-5615] [2024-11-28 02:35:41,126 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)); [5648-5649] [2024-11-28 02:35:41,130 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (79), "i" (12UL)); [5690-5691] [2024-11-28 02:35:41,132 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (91), "i" (12UL)); [5719-5720] [2024-11-28 02:35:41,163 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [6297] [2024-11-28 02:35:41,166 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/net/ethernet/natsemi/ns83820.c"), "i" (538), "i" (12UL)); [6331-6332] [2024-11-28 02:35:41,210 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [6765] [2024-11-28 02:35:41,221 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [6925] [2024-11-28 02:35:41,273 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)dev->rx_info.next_rx_desc) [7447] [2024-11-28 02:35:41,465 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_6d09db26-8648-48d0-88d5-2299159a9984/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-natsemi-ns83820.cil.i[322443,322456] [2024-11-28 02:35:41,465 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_6d09db26-8648-48d0-88d5-2299159a9984/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-natsemi-ns83820.cil.i[322612,322625] [2024-11-28 02:35:41,466 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_6d09db26-8648-48d0-88d5-2299159a9984/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-natsemi-ns83820.cil.i[322779,322792] [2024-11-28 02:35:41,466 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_6d09db26-8648-48d0-88d5-2299159a9984/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-natsemi-ns83820.cil.i[322947,322960] [2024-11-28 02:35:41,479 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:35:41,750 INFO L204 MainTranslator]: Completed translation [2024-11-28 02:35:41,751 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:35:41 WrapperNode [2024-11-28 02:35:41,753 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 02:35:41,754 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 02:35:41,754 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 02:35:41,754 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 02:35:41,768 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:35:41" (1/1) ... [2024-11-28 02:35:41,873 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:35:41" (1/1) ... [2024-11-28 02:35:42,274 INFO L138 Inliner]: procedures = 460, calls = 1838, calls flagged for inlining = 218, calls inlined = 200, statements flattened = 5090 [2024-11-28 02:35:42,275 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 02:35:42,277 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 02:35:42,277 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 02:35:42,277 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 02:35:42,290 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:35:41" (1/1) ... [2024-11-28 02:35:42,290 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:35:41" (1/1) ... [2024-11-28 02:35:42,365 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:35:41" (1/1) ... [2024-11-28 02:35:43,489 INFO L175 MemorySlicer]: Split 789 memory accesses to 18 slices as follows [8, 26, 2, 5, 5, 2, 648, 6, 5, 3, 8, 1, 2, 8, 1, 2, 54, 3]. 82 percent of accesses are in the largest equivalence class. The 93 initializations are split as follows [8, 26, 0, 5, 5, 0, 21, 0, 5, 3, 8, 0, 0, 8, 1, 2, 0, 1]. The 308 writes are split as follows [0, 0, 1, 0, 0, 1, 258, 5, 0, 0, 0, 0, 1, 0, 0, 0, 42, 0]. [2024-11-28 02:35:43,489 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:35:41" (1/1) ... [2024-11-28 02:35:43,490 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:35:41" (1/1) ... [2024-11-28 02:35:43,636 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:35:41" (1/1) ... [2024-11-28 02:35:43,652 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:35:41" (1/1) ... [2024-11-28 02:35:43,735 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:35:41" (1/1) ... [2024-11-28 02:35:43,838 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:35:41" (1/1) ... [2024-11-28 02:35:43,864 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:35:41" (1/1) ... [2024-11-28 02:35:43,954 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 02:35:43,955 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 02:35:43,957 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 02:35:43,957 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 02:35:43,958 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:35:41" (1/1) ... [2024-11-28 02:35:43,968 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:35:43,988 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d09db26-8648-48d0-88d5-2299159a9984/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:35:44,005 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d09db26-8648-48d0-88d5-2299159a9984/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 02:35:44,014 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d09db26-8648-48d0-88d5-2299159a9984/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 02:35:44,058 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_set_multicast [2024-11-28 02:35:44,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_set_multicast [2024-11-28 02:35:44,060 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-28 02:35:44,060 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-28 02:35:44,060 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_rx_kick [2024-11-28 02:35:44,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_rx_kick [2024-11-28 02:35:44,060 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2024-11-28 02:35:44,060 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2024-11-28 02:35:44,060 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_do_reset [2024-11-28 02:35:44,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_do_reset [2024-11-28 02:35:44,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_87 [2024-11-28 02:35:44,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_87 [2024-11-28 02:35:44,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-28 02:35:44,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-28 02:35:44,061 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2024-11-28 02:35:44,061 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2024-11-28 02:35:44,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-11-28 02:35:44,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-11-28 02:35:44,062 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2024-11-28 02:35:44,062 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2024-11-28 02:35:44,062 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_62 [2024-11-28 02:35:44,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_62 [2024-11-28 02:35:44,064 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_73 [2024-11-28 02:35:44,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_73 [2024-11-28 02:35:44,064 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_69 [2024-11-28 02:35:44,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_69 [2024-11-28 02:35:44,064 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_remove_one [2024-11-28 02:35:44,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_remove_one [2024-11-28 02:35:44,064 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2024-11-28 02:35:44,064 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2024-11-28 02:35:44,064 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_update_stats [2024-11-28 02:35:44,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_update_stats [2024-11-28 02:35:44,064 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2024-11-28 02:35:44,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2024-11-28 02:35:44,064 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2024-11-28 02:35:44,064 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2024-11-28 02:35:44,065 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2024-11-28 02:35:44,065 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2024-11-28 02:35:44,065 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2024-11-28 02:35:44,065 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2024-11-28 02:35:44,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-11-28 02:35:44,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-11-28 02:35:44,065 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-11-28 02:35:44,065 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-11-28 02:35:44,065 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2024-11-28 02:35:44,065 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2024-11-28 02:35:44,065 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-28 02:35:44,065 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2024-11-28 02:35:44,065 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2024-11-28 02:35:44,065 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2024-11-28 02:35:44,065 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2024-11-28 02:35:44,065 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2024-11-28 02:35:44,066 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2024-11-28 02:35:44,066 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_tx_timeout [2024-11-28 02:35:44,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_tx_timeout [2024-11-28 02:35:44,069 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2024-11-28 02:35:44,069 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2024-11-28 02:35:44,069 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2024-11-28 02:35:44,069 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2024-11-28 02:35:44,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-28 02:35:44,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-28 02:35:44,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-28 02:35:44,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-28 02:35:44,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-28 02:35:44,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-28 02:35:44,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-28 02:35:44,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-28 02:35:44,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-28 02:35:44,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-28 02:35:44,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-28 02:35:44,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-28 02:35:44,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-28 02:35:44,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-11-28 02:35:44,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-11-28 02:35:44,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-11-28 02:35:44,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-11-28 02:35:44,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-11-28 02:35:44,072 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2024-11-28 02:35:44,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2024-11-28 02:35:44,072 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2024-11-28 02:35:44,072 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2024-11-28 02:35:44,072 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-28 02:35:44,072 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-28 02:35:44,072 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-28 02:35:44,072 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-28 02:35:44,072 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-28 02:35:44,072 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-28 02:35:44,073 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-28 02:35:44,073 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-28 02:35:44,073 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-28 02:35:44,073 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-28 02:35:44,073 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-28 02:35:44,073 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-28 02:35:44,073 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-28 02:35:44,073 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-28 02:35:44,073 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-28 02:35:44,073 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-28 02:35:44,073 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-11-28 02:35:44,073 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-11-28 02:35:44,073 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2024-11-28 02:35:44,073 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2024-11-28 02:35:44,073 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2024-11-28 02:35:44,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2024-11-28 02:35:44,073 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2024-11-28 02:35:44,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2024-11-28 02:35:44,074 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2024-11-28 02:35:44,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2024-11-28 02:35:44,076 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2024-11-28 02:35:44,077 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2024-11-28 02:35:44,077 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2024-11-28 02:35:44,077 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2024-11-28 02:35:44,077 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2024-11-28 02:35:44,077 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2024-11-28 02:35:44,077 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2024-11-28 02:35:44,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2024-11-28 02:35:44,078 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_run_bist [2024-11-28 02:35:44,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_run_bist [2024-11-28 02:35:44,078 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-28 02:35:44,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2024-11-28 02:35:44,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2024-11-28 02:35:44,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2024-11-28 02:35:44,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2024-11-28 02:35:44,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2024-11-28 02:35:44,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2024-11-28 02:35:44,079 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 02:35:44,079 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-11-28 02:35:44,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-11-28 02:35:44,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-28 02:35:44,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-28 02:35:44,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-28 02:35:44,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-28 02:35:44,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-28 02:35:44,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-28 02:35:44,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-28 02:35:44,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-28 02:35:44,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-28 02:35:44,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-28 02:35:44,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-28 02:35:44,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-28 02:35:44,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-28 02:35:44,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-28 02:35:44,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-11-28 02:35:44,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-11-28 02:35:44,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-11-28 02:35:44,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-11-28 02:35:44,082 INFO L130 BoogieDeclarations]: Found specification of procedure clear_rx_desc [2024-11-28 02:35:44,082 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_rx_desc [2024-11-28 02:35:44,082 INFO L130 BoogieDeclarations]: Found specification of procedure phy_intr [2024-11-28 02:35:44,082 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_intr [2024-11-28 02:35:44,082 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-11-28 02:35:44,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-11-28 02:35:44,082 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2024-11-28 02:35:44,082 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2024-11-28 02:35:44,082 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2024-11-28 02:35:44,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2024-11-28 02:35:44,082 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2024-11-28 02:35:44,082 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2024-11-28 02:35:44,083 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2024-11-28 02:35:44,083 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2024-11-28 02:35:44,083 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2024-11-28 02:35:44,083 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2024-11-28 02:35:44,083 INFO L130 BoogieDeclarations]: Found specification of procedure do_tx_done [2024-11-28 02:35:44,085 INFO L138 BoogieDeclarations]: Found implementation of procedure do_tx_done [2024-11-28 02:35:44,085 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_misc_lock_of_ns83820 [2024-11-28 02:35:44,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_misc_lock_of_ns83820 [2024-11-28 02:35:44,085 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2024-11-28 02:35:44,085 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2024-11-28 02:35:44,086 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2024-11-28 02:35:44,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2024-11-28 02:35:44,086 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2024-11-28 02:35:44,086 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2024-11-28 02:35:44,086 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2024-11-28 02:35:44,086 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2024-11-28 02:35:44,086 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 02:35:44,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 02:35:44,086 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_stop [2024-11-28 02:35:44,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_stop [2024-11-28 02:35:44,086 INFO L130 BoogieDeclarations]: Found specification of procedure kick_tx [2024-11-28 02:35:44,086 INFO L138 BoogieDeclarations]: Found implementation of procedure kick_tx [2024-11-28 02:35:44,087 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_rx_info [2024-11-28 02:35:44,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_rx_info [2024-11-28 02:35:44,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-28 02:35:44,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-28 02:35:44,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-28 02:35:44,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-28 02:35:44,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-28 02:35:44,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-28 02:35:44,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-28 02:35:44,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-28 02:35:44,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-28 02:35:44,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-28 02:35:44,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-28 02:35:44,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-28 02:35:44,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-28 02:35:44,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-11-28 02:35:44,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-11-28 02:35:44,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-11-28 02:35:44,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-11-28 02:35:44,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2024-11-28 02:35:44,087 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-28 02:35:44,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-28 02:35:44,088 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2024-11-28 02:35:44,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2024-11-28 02:35:44,088 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-11-28 02:35:44,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-11-28 02:35:44,088 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2024-11-28 02:35:44,088 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2024-11-28 02:35:44,088 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2024-11-28 02:35:44,088 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2024-11-28 02:35:44,088 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2024-11-28 02:35:44,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2024-11-28 02:35:44,088 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2024-11-28 02:35:44,088 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2024-11-28 02:35:44,088 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2024-11-28 02:35:44,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2024-11-28 02:35:44,088 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2024-11-28 02:35:44,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2024-11-28 02:35:44,088 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-28 02:35:44,088 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-28 02:35:44,089 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-28 02:35:44,089 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-11-28 02:35:44,089 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-11-28 02:35:44,092 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-11-28 02:35:44,092 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-11-28 02:35:44,092 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-11-28 02:35:44,092 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2024-11-28 02:35:44,092 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2024-11-28 02:35:44,092 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2024-11-28 02:35:44,092 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2024-11-28 02:35:44,092 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2024-11-28 02:35:44,093 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2024-11-28 02:35:44,093 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#14 [2024-11-28 02:35:44,093 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#15 [2024-11-28 02:35:44,093 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#16 [2024-11-28 02:35:44,093 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#17 [2024-11-28 02:35:44,093 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-28 02:35:44,093 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-28 02:35:44,093 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-28 02:35:44,093 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-11-28 02:35:44,093 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-11-28 02:35:44,093 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-11-28 02:35:44,093 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-11-28 02:35:44,093 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-11-28 02:35:44,093 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2024-11-28 02:35:44,093 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2024-11-28 02:35:44,093 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2024-11-28 02:35:44,093 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2024-11-28 02:35:44,093 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2024-11-28 02:35:44,094 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2024-11-28 02:35:44,094 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#14 [2024-11-28 02:35:44,094 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#15 [2024-11-28 02:35:44,094 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#16 [2024-11-28 02:35:44,094 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#17 [2024-11-28 02:35:44,094 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2024-11-28 02:35:44,094 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2024-11-28 02:35:44,094 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2024-11-28 02:35:44,094 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2024-11-28 02:35:44,094 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2024-11-28 02:35:44,094 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2024-11-28 02:35:44,094 INFO L130 BoogieDeclarations]: Found specification of procedure PRIV [2024-11-28 02:35:44,094 INFO L138 BoogieDeclarations]: Found implementation of procedure PRIV [2024-11-28 02:35:44,094 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2024-11-28 02:35:44,094 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2024-11-28 02:35:44,094 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-28 02:35:44,094 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_72 [2024-11-28 02:35:44,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_72 [2024-11-28 02:35:44,094 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-28 02:35:44,094 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-28 02:35:44,094 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-28 02:35:44,095 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-28 02:35:44,095 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-28 02:35:44,095 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-28 02:35:44,095 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-28 02:35:44,095 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-28 02:35:44,095 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-28 02:35:44,095 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-28 02:35:44,095 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-28 02:35:44,095 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-28 02:35:44,095 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-28 02:35:44,095 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-28 02:35:44,095 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-28 02:35:44,095 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-11-28 02:35:44,095 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-11-28 02:35:44,095 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-11-28 02:35:44,095 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-28 02:35:44,095 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-28 02:35:44,095 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2024-11-28 02:35:44,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2024-11-28 02:35:44,095 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2024-11-28 02:35:44,096 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2024-11-28 02:35:44,096 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2024-11-28 02:35:44,100 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2024-11-28 02:35:44,100 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2024-11-28 02:35:44,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2024-11-28 02:35:44,101 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2024-11-28 02:35:44,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2024-11-28 02:35:44,101 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2024-11-28 02:35:44,101 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2024-11-28 02:35:44,101 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2024-11-28 02:35:44,101 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2024-11-28 02:35:44,101 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2024-11-28 02:35:44,101 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2024-11-28 02:35:44,101 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_tx_lock_of_ns83820 [2024-11-28 02:35:44,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_tx_lock_of_ns83820 [2024-11-28 02:35:44,102 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_irq [2024-11-28 02:35:44,102 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_irq [2024-11-28 02:35:44,102 INFO L130 BoogieDeclarations]: Found specification of procedure build_rx_desc [2024-11-28 02:35:44,102 INFO L138 BoogieDeclarations]: Found implementation of procedure build_rx_desc [2024-11-28 02:35:44,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-28 02:35:44,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-28 02:35:44,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-28 02:35:44,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-28 02:35:44,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-28 02:35:44,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-28 02:35:44,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-28 02:35:44,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-28 02:35:44,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-28 02:35:44,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-28 02:35:44,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-28 02:35:44,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-28 02:35:44,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-28 02:35:44,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-28 02:35:44,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-28 02:35:44,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-28 02:35:44,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-11-28 02:35:44,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-11-28 02:35:44,103 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2024-11-28 02:35:44,104 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2024-11-28 02:35:44,104 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-28 02:35:44,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-28 02:35:44,104 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2024-11-28 02:35:44,104 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2024-11-28 02:35:44,104 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_misc_lock_of_ns83820 [2024-11-28 02:35:44,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_misc_lock_of_ns83820 [2024-11-28 02:35:44,104 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2024-11-28 02:35:44,104 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2024-11-28 02:35:44,104 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_open [2024-11-28 02:35:44,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_open [2024-11-28 02:35:44,104 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2024-11-28 02:35:44,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2024-11-28 02:35:44,104 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2024-11-28 02:35:44,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2024-11-28 02:35:44,104 INFO L130 BoogieDeclarations]: Found specification of procedure rx_irq [2024-11-28 02:35:44,104 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_irq [2024-11-28 02:35:44,104 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_disable_interrupts [2024-11-28 02:35:44,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_disable_interrupts [2024-11-28 02:35:44,105 INFO L130 BoogieDeclarations]: Found specification of procedure kick_rx [2024-11-28 02:35:44,105 INFO L138 BoogieDeclarations]: Found implementation of procedure kick_rx [2024-11-28 02:35:44,105 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2024-11-28 02:35:44,105 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2024-11-28 02:35:44,105 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2024-11-28 02:35:44,105 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2024-11-28 02:35:44,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 02:35:44,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-28 02:35:44,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-28 02:35:44,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-28 02:35:44,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-28 02:35:44,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-28 02:35:44,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-28 02:35:44,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-28 02:35:44,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-28 02:35:44,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-28 02:35:44,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-28 02:35:44,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-28 02:35:44,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-28 02:35:44,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-28 02:35:44,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-28 02:35:44,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-28 02:35:44,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-28 02:35:44,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-11-28 02:35:44,106 INFO L130 BoogieDeclarations]: Found specification of procedure rx_refill [2024-11-28 02:35:44,106 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_refill [2024-11-28 02:35:44,106 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2024-11-28 02:35:44,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2024-11-28 02:35:44,106 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_rx_info [2024-11-28 02:35:44,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_rx_info [2024-11-28 02:35:44,106 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_tx_lock_of_ns83820 [2024-11-28 02:35:44,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_tx_lock_of_ns83820 [2024-11-28 02:35:45,405 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 02:35:45,410 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 02:35:45,670 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-28 02:35:59,424 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2024-11-28 02:36:01,132 INFO L? ?]: Removed 2331 outVars from TransFormulas that were not future-live. [2024-11-28 02:36:01,133 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 02:36:01,230 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 02:36:01,231 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-28 02:36:01,231 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:36:01 BoogieIcfgContainer [2024-11-28 02:36:01,234 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 02:36:01,237 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 02:36:01,237 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 02:36:01,250 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 02:36:01,250 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:35:37" (1/3) ... [2024-11-28 02:36:01,251 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11c20de6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:36:01, skipping insertion in model container [2024-11-28 02:36:01,251 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:35:41" (2/3) ... [2024-11-28 02:36:01,251 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11c20de6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:36:01, skipping insertion in model container [2024-11-28 02:36:01,251 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:36:01" (3/3) ... [2024-11-28 02:36:01,252 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-natsemi-ns83820.cil.i [2024-11-28 02:36:01,275 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 02:36:01,278 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-natsemi-ns83820.cil.i that has 124 procedures, 2317 locations, 1 initial locations, 18 loop locations, and 3 error locations. [2024-11-28 02:36:01,451 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 02:36:01,467 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;@3a113ed2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 02:36:01,468 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-11-28 02:36:01,485 INFO L276 IsEmpty]: Start isEmpty. Operand has 2247 states, 1605 states have (on average 1.3090342679127727) internal successors, (2101), 1637 states have internal predecessors, (2101), 534 states have call successors, (534), 106 states have call predecessors, (534), 105 states have return successors, (529), 525 states have call predecessors, (529), 529 states have call successors, (529) [2024-11-28 02:36:01,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-28 02:36:01,504 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:36:01,505 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:36:01,505 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-28 02:36:01,512 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:36:01,512 INFO L85 PathProgramCache]: Analyzing trace with hash -703447828, now seen corresponding path program 1 times [2024-11-28 02:36:01,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:36:01,523 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2068143281] [2024-11-28 02:36:01,523 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:36:01,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:36:06,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:36:06,822 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2024-11-28 02:36:06,822 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:36:06,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2068143281] [2024-11-28 02:36:06,825 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2068143281] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:36:06,826 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:36:06,826 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 02:36:06,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642428788] [2024-11-28 02:36:06,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:36:06,834 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:36:06,835 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:36:06,857 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:36:06,858 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:36:06,867 INFO L87 Difference]: Start difference. First operand has 2247 states, 1605 states have (on average 1.3090342679127727) internal successors, (2101), 1637 states have internal predecessors, (2101), 534 states have call successors, (534), 106 states have call predecessors, (534), 105 states have return successors, (529), 525 states have call predecessors, (529), 529 states have call successors, (529) Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 3 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-28 02:36:10,950 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 [] [2024-11-28 02:36:11,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:36:11,645 INFO L93 Difference]: Finished difference Result 6625 states and 9525 transitions. [2024-11-28 02:36:11,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:36:11,648 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 3 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 101 [2024-11-28 02:36:11,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:36:11,704 INFO L225 Difference]: With dead ends: 6625 [2024-11-28 02:36:11,705 INFO L226 Difference]: Without dead ends: 4387 [2024-11-28 02:36:11,733 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:36:11,737 INFO L435 NwaCegarLoop]: 3142 mSDtfsCounter, 3012 mSDsluCounter, 3062 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3012 SdHoareTripleChecker+Valid, 6204 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2024-11-28 02:36:11,741 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3012 Valid, 6204 Invalid, 14 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 10 Invalid, 1 Unknown, 0 Unchecked, 4.3s Time] [2024-11-28 02:36:11,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4387 states. [2024-11-28 02:36:12,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4387 to 4383. [2024-11-28 02:36:12,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4383 states, 3150 states have (on average 1.276190476190476) internal successors, (4020), 3212 states have internal predecessors, (4020), 1023 states have call successors, (1023), 208 states have call predecessors, (1023), 207 states have return successors, (1020), 1012 states have call predecessors, (1020), 1020 states have call successors, (1020) [2024-11-28 02:36:12,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4383 states to 4383 states and 6063 transitions. [2024-11-28 02:36:12,199 INFO L78 Accepts]: Start accepts. Automaton has 4383 states and 6063 transitions. Word has length 101 [2024-11-28 02:36:12,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:36:12,201 INFO L471 AbstractCegarLoop]: Abstraction has 4383 states and 6063 transitions. [2024-11-28 02:36:12,201 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 3 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-28 02:36:12,201 INFO L276 IsEmpty]: Start isEmpty. Operand 4383 states and 6063 transitions. [2024-11-28 02:36:12,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-28 02:36:12,217 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:36:12,218 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:36:12,218 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 02:36:12,218 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-28 02:36:12,219 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:36:12,219 INFO L85 PathProgramCache]: Analyzing trace with hash 1948196049, now seen corresponding path program 1 times [2024-11-28 02:36:12,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:36:12,219 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353607221] [2024-11-28 02:36:12,220 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:36:12,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:36:15,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:36:15,594 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2024-11-28 02:36:15,595 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:36:15,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1353607221] [2024-11-28 02:36:15,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1353607221] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:36:15,595 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:36:15,595 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 02:36:15,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81438891] [2024-11-28 02:36:15,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:36:15,596 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:36:15,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:36:15,597 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:36:15,597 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:36:15,598 INFO L87 Difference]: Start difference. First operand 4383 states and 6063 transitions. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-28 02:36:19,638 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 02:36:20,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:36:20,590 INFO L93 Difference]: Finished difference Result 12353 states and 17061 transitions. [2024-11-28 02:36:20,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:36:20,591 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 114 [2024-11-28 02:36:20,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:36:20,648 INFO L225 Difference]: With dead ends: 12353 [2024-11-28 02:36:20,648 INFO L226 Difference]: Without dead ends: 7989 [2024-11-28 02:36:20,669 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:36:20,670 INFO L435 NwaCegarLoop]: 3105 mSDtfsCounter, 2536 mSDsluCounter, 3011 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2536 SdHoareTripleChecker+Valid, 6116 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2024-11-28 02:36:20,670 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2536 Valid, 6116 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 59 Invalid, 1 Unknown, 0 Unchecked, 4.6s Time] [2024-11-28 02:36:20,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7989 states. [2024-11-28 02:36:21,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7989 to 7952. [2024-11-28 02:36:21,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7952 states, 5691 states have (on average 1.27394131084168) internal successors, (7250), 5807 states have internal predecessors, (7250), 1857 states have call successors, (1857), 402 states have call predecessors, (1857), 401 states have return successors, (1860), 1836 states have call predecessors, (1860), 1854 states have call successors, (1860) [2024-11-28 02:36:21,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7952 states to 7952 states and 10967 transitions. [2024-11-28 02:36:21,127 INFO L78 Accepts]: Start accepts. Automaton has 7952 states and 10967 transitions. Word has length 114 [2024-11-28 02:36:21,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:36:21,129 INFO L471 AbstractCegarLoop]: Abstraction has 7952 states and 10967 transitions. [2024-11-28 02:36:21,130 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-28 02:36:21,130 INFO L276 IsEmpty]: Start isEmpty. Operand 7952 states and 10967 transitions. [2024-11-28 02:36:21,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-28 02:36:21,137 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:36:21,137 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:36:21,137 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 02:36:21,137 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-28 02:36:21,138 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:36:21,138 INFO L85 PathProgramCache]: Analyzing trace with hash -115310096, now seen corresponding path program 1 times [2024-11-28 02:36:21,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:36:21,138 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [707108551] [2024-11-28 02:36:21,139 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:36:21,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:36:24,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:36:25,044 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2024-11-28 02:36:25,047 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:36:25,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [707108551] [2024-11-28 02:36:25,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [707108551] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:36:25,047 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:36:25,047 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 02:36:25,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [789605058] [2024-11-28 02:36:25,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:36:25,048 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:36:25,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:36:25,049 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:36:25,053 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:36:25,053 INFO L87 Difference]: Start difference. First operand 7952 states and 10967 transitions. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-28 02:36:29,112 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 02:36:30,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:36:30,212 INFO L93 Difference]: Finished difference Result 15579 states and 21484 transitions. [2024-11-28 02:36:30,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:36:30,212 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 115 [2024-11-28 02:36:30,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:36:30,279 INFO L225 Difference]: With dead ends: 15579 [2024-11-28 02:36:30,279 INFO L226 Difference]: Without dead ends: 7646 [2024-11-28 02:36:30,319 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:36:30,322 INFO L435 NwaCegarLoop]: 3822 mSDtfsCounter, 2243 mSDsluCounter, 3025 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 18 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2243 SdHoareTripleChecker+Valid, 6847 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2024-11-28 02:36:30,323 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2243 Valid, 6847 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 74 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2024-11-28 02:36:30,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7646 states. [2024-11-28 02:36:30,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7646 to 7618. [2024-11-28 02:36:30,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7618 states, 5448 states have (on average 1.2766152716593244) internal successors, (6955), 5569 states have internal predecessors, (6955), 1751 states have call successors, (1751), 417 states have call predecessors, (1751), 416 states have return successors, (1751), 1730 states have call predecessors, (1751), 1748 states have call successors, (1751) [2024-11-28 02:36:30,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7618 states to 7618 states and 10457 transitions. [2024-11-28 02:36:30,756 INFO L78 Accepts]: Start accepts. Automaton has 7618 states and 10457 transitions. Word has length 115 [2024-11-28 02:36:30,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:36:30,757 INFO L471 AbstractCegarLoop]: Abstraction has 7618 states and 10457 transitions. [2024-11-28 02:36:30,757 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-28 02:36:30,757 INFO L276 IsEmpty]: Start isEmpty. Operand 7618 states and 10457 transitions. [2024-11-28 02:36:30,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-28 02:36:30,761 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:36:30,761 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 7, 7, 7, 7, 7, 7, 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] [2024-11-28 02:36:30,761 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 02:36:30,761 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-28 02:36:30,762 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:36:30,762 INFO L85 PathProgramCache]: Analyzing trace with hash -589351707, now seen corresponding path program 1 times [2024-11-28 02:36:30,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:36:30,762 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1527836676] [2024-11-28 02:36:30,762 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:36:30,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:36:33,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:36:34,087 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 214 trivial. 0 not checked. [2024-11-28 02:36:34,088 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:36:34,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1527836676] [2024-11-28 02:36:34,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1527836676] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:36:34,088 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:36:34,088 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 02:36:34,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1428252011] [2024-11-28 02:36:34,088 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:36:34,089 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:36:34,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:36:34,090 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:36:34,090 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:36:34,090 INFO L87 Difference]: Start difference. First operand 7618 states and 10457 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-28 02:36:38,145 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 02:36:38,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:36:38,755 INFO L93 Difference]: Finished difference Result 20924 states and 28716 transitions. [2024-11-28 02:36:38,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:36:38,756 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 119 [2024-11-28 02:36:38,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:36:38,877 INFO L225 Difference]: With dead ends: 20924 [2024-11-28 02:36:38,877 INFO L226 Difference]: Without dead ends: 13325 [2024-11-28 02:36:38,912 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:36:38,915 INFO L435 NwaCegarLoop]: 3123 mSDtfsCounter, 2891 mSDsluCounter, 2956 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2891 SdHoareTripleChecker+Valid, 6079 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2024-11-28 02:36:38,916 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2891 Valid, 6079 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 14 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2024-11-28 02:36:38,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13325 states. [2024-11-28 02:36:39,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13325 to 13286. [2024-11-28 02:36:39,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13286 states, 9512 states have (on average 1.2761774600504625) internal successors, (12139), 9732 states have internal predecessors, (12139), 3031 states have call successors, (3031), 744 states have call predecessors, (3031), 740 states have return successors, (3056), 2978 states have call predecessors, (3056), 3028 states have call successors, (3056) [2024-11-28 02:36:39,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13286 states to 13286 states and 18226 transitions. [2024-11-28 02:36:39,607 INFO L78 Accepts]: Start accepts. Automaton has 13286 states and 18226 transitions. Word has length 119 [2024-11-28 02:36:39,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:36:39,608 INFO L471 AbstractCegarLoop]: Abstraction has 13286 states and 18226 transitions. [2024-11-28 02:36:39,609 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-28 02:36:39,609 INFO L276 IsEmpty]: Start isEmpty. Operand 13286 states and 18226 transitions. [2024-11-28 02:36:39,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-28 02:36:39,611 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:36:39,611 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 7, 7, 7, 7, 7, 7, 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] [2024-11-28 02:36:39,612 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 02:36:39,612 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-28 02:36:39,612 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:36:39,612 INFO L85 PathProgramCache]: Analyzing trace with hash 2101060739, now seen corresponding path program 1 times [2024-11-28 02:36:39,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:36:39,612 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [754270682] [2024-11-28 02:36:39,613 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:36:39,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:36:42,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:36:43,256 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 214 trivial. 0 not checked. [2024-11-28 02:36:43,257 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:36:43,257 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [754270682] [2024-11-28 02:36:43,257 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [754270682] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:36:43,257 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:36:43,257 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 02:36:43,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [348126567] [2024-11-28 02:36:43,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:36:43,258 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:36:43,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:36:43,259 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:36:43,259 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:36:43,259 INFO L87 Difference]: Start difference. First operand 13286 states and 18226 transitions. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-28 02:36:47,305 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 02:36:48,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:36:48,243 INFO L93 Difference]: Finished difference Result 36204 states and 49451 transitions. [2024-11-28 02:36:48,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:36:48,244 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 122 [2024-11-28 02:36:48,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:36:48,406 INFO L225 Difference]: With dead ends: 36204 [2024-11-28 02:36:48,407 INFO L226 Difference]: Without dead ends: 22937 [2024-11-28 02:36:48,468 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:36:48,470 INFO L435 NwaCegarLoop]: 3869 mSDtfsCounter, 2832 mSDsluCounter, 3047 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2832 SdHoareTripleChecker+Valid, 6916 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2024-11-28 02:36:48,470 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2832 Valid, 6916 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 22 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2024-11-28 02:36:48,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22937 states. [2024-11-28 02:36:49,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22937 to 22896. [2024-11-28 02:36:50,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22896 states, 16436 states have (on average 1.26563640788513) internal successors, (20802), 16792 states have internal predecessors, (20802), 5153 states have call successors, (5153), 1315 states have call predecessors, (5153), 1304 states have return successors, (5209), 5035 states have call predecessors, (5209), 5150 states have call successors, (5209) [2024-11-28 02:36:50,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22896 states to 22896 states and 31164 transitions. [2024-11-28 02:36:50,204 INFO L78 Accepts]: Start accepts. Automaton has 22896 states and 31164 transitions. Word has length 122 [2024-11-28 02:36:50,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:36:50,205 INFO L471 AbstractCegarLoop]: Abstraction has 22896 states and 31164 transitions. [2024-11-28 02:36:50,205 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-28 02:36:50,205 INFO L276 IsEmpty]: Start isEmpty. Operand 22896 states and 31164 transitions. [2024-11-28 02:36:50,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-11-28 02:36:50,212 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:36:50,212 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 7, 7, 7, 7, 7, 7, 4, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:36:50,212 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 02:36:50,213 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-28 02:36:50,213 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:36:50,213 INFO L85 PathProgramCache]: Analyzing trace with hash 969343077, now seen corresponding path program 1 times [2024-11-28 02:36:50,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:36:50,214 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171172846] [2024-11-28 02:36:50,214 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:36:50,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:36:53,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:36:53,358 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 315 trivial. 0 not checked. [2024-11-28 02:36:53,358 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:36:53,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1171172846] [2024-11-28 02:36:53,358 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1171172846] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:36:53,358 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:36:53,358 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 02:36:53,358 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1109290250] [2024-11-28 02:36:53,358 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:36:53,359 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:36:53,359 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:36:53,359 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:36:53,359 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:36:53,359 INFO L87 Difference]: Start difference. First operand 22896 states and 31164 transitions. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-28 02:36:57,401 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 02:36:58,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:36:58,821 INFO L93 Difference]: Finished difference Result 67789 states and 92361 transitions. [2024-11-28 02:36:58,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:36:58,822 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 158 [2024-11-28 02:36:58,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:36:59,055 INFO L225 Difference]: With dead ends: 67789 [2024-11-28 02:36:59,055 INFO L226 Difference]: Without dead ends: 44958 [2024-11-28 02:36:59,124 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:36:59,126 INFO L435 NwaCegarLoop]: 3201 mSDtfsCounter, 3016 mSDsluCounter, 3065 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3016 SdHoareTripleChecker+Valid, 6266 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2024-11-28 02:36:59,126 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3016 Valid, 6266 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2024-11-28 02:36:59,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44958 states. [2024-11-28 02:37:01,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44958 to 44934. [2024-11-28 02:37:01,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44934 states, 32314 states have (on average 1.2675929937488395) internal successors, (40961), 32984 states have internal predecessors, (40961), 10074 states have call successors, (10074), 2564 states have call predecessors, (10074), 2543 states have return successors, (10189), 9879 states have call predecessors, (10189), 10071 states have call successors, (10189) [2024-11-28 02:37:01,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44934 states to 44934 states and 61224 transitions. [2024-11-28 02:37:01,834 INFO L78 Accepts]: Start accepts. Automaton has 44934 states and 61224 transitions. Word has length 158 [2024-11-28 02:37:01,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:37:01,835 INFO L471 AbstractCegarLoop]: Abstraction has 44934 states and 61224 transitions. [2024-11-28 02:37:01,835 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-28 02:37:01,835 INFO L276 IsEmpty]: Start isEmpty. Operand 44934 states and 61224 transitions. [2024-11-28 02:37:01,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-11-28 02:37:01,841 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:37:01,842 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 7, 7, 7, 7, 7, 7, 4, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:37:01,842 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-28 02:37:01,842 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-28 02:37:01,842 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:37:01,842 INFO L85 PathProgramCache]: Analyzing trace with hash 1392044903, now seen corresponding path program 1 times [2024-11-28 02:37:01,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:37:01,843 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2122672840] [2024-11-28 02:37:01,843 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:37:01,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:37:04,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:37:05,508 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 321 trivial. 0 not checked. [2024-11-28 02:37:05,508 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:37:05,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2122672840] [2024-11-28 02:37:05,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2122672840] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:37:05,508 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:37:05,508 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 02:37:05,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1148719057] [2024-11-28 02:37:05,508 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:37:05,509 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 02:37:05,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:37:05,509 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 02:37:05,509 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:37:05,509 INFO L87 Difference]: Start difference. First operand 44934 states and 61224 transitions. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-28 02:37:06,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:37:06,956 INFO L93 Difference]: Finished difference Result 44940 states and 61229 transitions. [2024-11-28 02:37:06,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 02:37:06,957 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 158 [2024-11-28 02:37:06,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:37:07,184 INFO L225 Difference]: With dead ends: 44940 [2024-11-28 02:37:07,185 INFO L226 Difference]: Without dead ends: 44938 [2024-11-28 02:37:07,214 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-28 02:37:07,216 INFO L435 NwaCegarLoop]: 3088 mSDtfsCounter, 3046 mSDsluCounter, 6161 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3047 SdHoareTripleChecker+Valid, 9249 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 02:37:07,216 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3047 Valid, 9249 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 02:37:07,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44938 states. [2024-11-28 02:37:09,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44938 to 44938. [2024-11-28 02:37:09,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44938 states, 32317 states have (on average 1.2675681529844973) internal successors, (40964), 32987 states have internal predecessors, (40964), 10074 states have call successors, (10074), 2565 states have call predecessors, (10074), 2544 states have return successors, (10189), 9879 states have call predecessors, (10189), 10071 states have call successors, (10189) [2024-11-28 02:37:09,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44938 states to 44938 states and 61227 transitions. [2024-11-28 02:37:09,415 INFO L78 Accepts]: Start accepts. Automaton has 44938 states and 61227 transitions. Word has length 158 [2024-11-28 02:37:09,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:37:09,416 INFO L471 AbstractCegarLoop]: Abstraction has 44938 states and 61227 transitions. [2024-11-28 02:37:09,416 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-28 02:37:09,416 INFO L276 IsEmpty]: Start isEmpty. Operand 44938 states and 61227 transitions. [2024-11-28 02:37:09,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-28 02:37:09,419 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:37:09,420 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 7, 7, 7, 7, 7, 7, 4, 4, 4, 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] [2024-11-28 02:37:09,420 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-28 02:37:09,420 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-28 02:37:09,420 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:37:09,420 INFO L85 PathProgramCache]: Analyzing trace with hash -2107312769, now seen corresponding path program 1 times [2024-11-28 02:37:09,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:37:09,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [619955564] [2024-11-28 02:37:09,421 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:37:09,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:37:13,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:37:14,552 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 321 trivial. 0 not checked. [2024-11-28 02:37:14,553 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:37:14,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [619955564] [2024-11-28 02:37:14,553 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [619955564] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:37:14,553 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:37:14,553 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 02:37:14,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [821688873] [2024-11-28 02:37:14,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:37:14,554 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 02:37:14,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:37:14,555 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 02:37:14,555 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:37:14,555 INFO L87 Difference]: Start difference. First operand 44938 states and 61227 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-28 02:37:16,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:37:16,474 INFO L93 Difference]: Finished difference Result 44944 states and 61232 transitions. [2024-11-28 02:37:16,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 02:37:16,475 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 163 [2024-11-28 02:37:16,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:37:16,736 INFO L225 Difference]: With dead ends: 44944 [2024-11-28 02:37:16,736 INFO L226 Difference]: Without dead ends: 44942 [2024-11-28 02:37:16,766 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-28 02:37:16,767 INFO L435 NwaCegarLoop]: 3091 mSDtfsCounter, 3042 mSDsluCounter, 6162 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3043 SdHoareTripleChecker+Valid, 9253 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 02:37:16,767 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3043 Valid, 9253 Invalid, 24 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 02:37:16,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44942 states. [2024-11-28 02:37:18,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44942 to 44942. [2024-11-28 02:37:18,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44942 states, 32320 states have (on average 1.2675433168316832) internal successors, (40967), 32990 states have internal predecessors, (40967), 10074 states have call successors, (10074), 2566 states have call predecessors, (10074), 2545 states have return successors, (10189), 9879 states have call predecessors, (10189), 10071 states have call successors, (10189) [2024-11-28 02:37:19,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44942 states to 44942 states and 61230 transitions. [2024-11-28 02:37:19,086 INFO L78 Accepts]: Start accepts. Automaton has 44942 states and 61230 transitions. Word has length 163 [2024-11-28 02:37:19,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:37:19,087 INFO L471 AbstractCegarLoop]: Abstraction has 44942 states and 61230 transitions. [2024-11-28 02:37:19,087 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-28 02:37:19,088 INFO L276 IsEmpty]: Start isEmpty. Operand 44942 states and 61230 transitions. [2024-11-28 02:37:19,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2024-11-28 02:37:19,092 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:37:19,092 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 7, 7, 7, 7, 7, 7, 4, 4, 4, 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] [2024-11-28 02:37:19,092 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-28 02:37:19,092 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-28 02:37:19,093 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:37:19,093 INFO L85 PathProgramCache]: Analyzing trace with hash 1342214695, now seen corresponding path program 1 times [2024-11-28 02:37:19,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:37:19,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [492711476] [2024-11-28 02:37:19,093 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:37:19,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:37:22,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:37:22,800 INFO L134 CoverageAnalysis]: Checked inductivity of 329 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2024-11-28 02:37:22,800 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:37:22,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [492711476] [2024-11-28 02:37:22,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [492711476] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:37:22,801 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:37:22,801 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 02:37:22,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [700169614] [2024-11-28 02:37:22,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:37:22,802 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 02:37:22,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:37:22,803 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 02:37:22,803 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:37:22,804 INFO L87 Difference]: Start difference. First operand 44942 states and 61230 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-28 02:37:24,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:37:24,510 INFO L93 Difference]: Finished difference Result 44948 states and 61235 transitions. [2024-11-28 02:37:24,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 02:37:24,510 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 168 [2024-11-28 02:37:24,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:37:24,745 INFO L225 Difference]: With dead ends: 44948 [2024-11-28 02:37:24,745 INFO L226 Difference]: Without dead ends: 44946 [2024-11-28 02:37:24,774 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-28 02:37:24,776 INFO L435 NwaCegarLoop]: 3091 mSDtfsCounter, 3041 mSDsluCounter, 6162 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3042 SdHoareTripleChecker+Valid, 9253 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 02:37:24,777 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3042 Valid, 9253 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 02:37:24,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44946 states. [2024-11-28 02:37:26,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44946 to 44946. [2024-11-28 02:37:26,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44946 states, 32323 states have (on average 1.267518485289113) internal successors, (40970), 32993 states have internal predecessors, (40970), 10074 states have call successors, (10074), 2567 states have call predecessors, (10074), 2546 states have return successors, (10189), 9879 states have call predecessors, (10189), 10071 states have call successors, (10189) [2024-11-28 02:37:26,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44946 states to 44946 states and 61233 transitions. [2024-11-28 02:37:26,613 INFO L78 Accepts]: Start accepts. Automaton has 44946 states and 61233 transitions. Word has length 168 [2024-11-28 02:37:26,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:37:26,614 INFO L471 AbstractCegarLoop]: Abstraction has 44946 states and 61233 transitions. [2024-11-28 02:37:26,614 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-28 02:37:26,614 INFO L276 IsEmpty]: Start isEmpty. Operand 44946 states and 61233 transitions. [2024-11-28 02:37:26,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2024-11-28 02:37:26,617 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:37:26,617 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 7, 7, 7, 7, 7, 7, 4, 4, 4, 4, 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] [2024-11-28 02:37:26,618 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-28 02:37:26,618 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-28 02:37:26,618 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:37:26,618 INFO L85 PathProgramCache]: Analyzing trace with hash 504477247, now seen corresponding path program 1 times [2024-11-28 02:37:26,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:37:26,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [938226128] [2024-11-28 02:37:26,619 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:37:26,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:37:29,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:37:30,470 INFO L134 CoverageAnalysis]: Checked inductivity of 339 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 333 trivial. 0 not checked. [2024-11-28 02:37:30,471 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:37:30,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [938226128] [2024-11-28 02:37:30,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [938226128] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:37:30,471 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:37:30,471 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 02:37:30,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [170757175] [2024-11-28 02:37:30,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:37:30,473 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 02:37:30,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:37:30,474 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 02:37:30,474 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:37:30,474 INFO L87 Difference]: Start difference. First operand 44946 states and 61233 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20)