./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 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4c900df-d050-434a-9667-896334e0bb95/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4c900df-d050-434a-9667-896334e0bb95/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4c900df-d050-434a-9667-896334e0bb95/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4c900df-d050-434a-9667-896334e0bb95/bin/uautomizer-verify-LYvppIcaGC/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_e4c900df-d050-434a-9667-896334e0bb95/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4c900df-d050-434a-9667-896334e0bb95/bin/uautomizer-verify-LYvppIcaGC --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-6497de0 [2024-11-24 01:49:22,534 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 01:49:22,605 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4c900df-d050-434a-9667-896334e0bb95/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-24 01:49:22,611 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 01:49:22,612 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 01:49:22,648 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 01:49:22,649 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 01:49:22,651 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 01:49:22,651 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 01:49:22,651 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 01:49:22,651 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 01:49:22,652 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 01:49:22,652 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 01:49:22,652 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 01:49:22,652 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 01:49:22,652 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 01:49:22,652 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 01:49:22,653 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 01:49:22,653 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 01:49:22,653 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 01:49:22,653 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 01:49:22,653 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 01:49:22,653 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 01:49:22,653 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 01:49:22,653 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 01:49:22,654 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 01:49:22,656 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:49:22,656 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:49:22,656 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:49:22,656 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:49:22,657 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 01:49:22,657 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:49:22,657 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:49:22,657 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:49:22,657 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:49:22,658 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 01:49:22,658 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 01:49:22,658 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 01:49:22,659 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 01:49:22,659 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-24 01:49:22,659 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 01:49:22,659 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 01:49:22,659 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 01:49:22,659 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 01:49:22,659 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 01:49:22,660 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_e4c900df-d050-434a-9667-896334e0bb95/bin/uautomizer-verify-LYvppIcaGC 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 [2024-11-24 01:49:22,994 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 01:49:23,003 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 01:49:23,005 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 01:49:23,007 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 01:49:23,007 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 01:49:23,008 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4c900df-d050-434a-9667-896334e0bb95/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-natsemi-ns83820.cil.i [2024-11-24 01:49:26,036 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4c900df-d050-434a-9667-896334e0bb95/bin/uautomizer-verify-LYvppIcaGC/data/901c4adfc/e83c0c5800634174ae595bdafbd7c0cf/FLAG04ac5763d [2024-11-24 01:49:26,990 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 01:49:26,991 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4c900df-d050-434a-9667-896334e0bb95/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-natsemi-ns83820.cil.i [2024-11-24 01:49:27,044 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4c900df-d050-434a-9667-896334e0bb95/bin/uautomizer-verify-LYvppIcaGC/data/901c4adfc/e83c0c5800634174ae595bdafbd7c0cf/FLAG04ac5763d [2024-11-24 01:49:27,064 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4c900df-d050-434a-9667-896334e0bb95/bin/uautomizer-verify-LYvppIcaGC/data/901c4adfc/e83c0c5800634174ae595bdafbd7c0cf [2024-11-24 01:49:27,067 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 01:49:27,068 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 01:49:27,070 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 01:49:27,071 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 01:49:27,076 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 01:49:27,077 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:49:27" (1/1) ... [2024-11-24 01:49:27,079 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e26bc5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:49:27, skipping insertion in model container [2024-11-24 01:49:27,079 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:49:27" (1/1) ... [2024-11-24 01:49:27,227 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 01:49:30,335 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_e4c900df-d050-434a-9667-896334e0bb95/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] [2024-11-24 01:49:30,340 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_e4c900df-d050-434a-9667-896334e0bb95/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] [2024-11-24 01:49:30,341 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_e4c900df-d050-434a-9667-896334e0bb95/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] [2024-11-24 01:49:30,341 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_e4c900df-d050-434a-9667-896334e0bb95/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] [2024-11-24 01:49:30,372 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:49:30,473 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 01:49:30,663 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] [2024-11-24 01:49:30,665 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] [2024-11-24 01:49:30,666 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5273] [2024-11-24 01:49:30,670 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/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] [2024-11-24 01:49:30,672 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] [2024-11-24 01:49:30,673 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] [2024-11-24 01:49:30,673 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] [2024-11-24 01:49:30,681 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [5513] [2024-11-24 01:49:30,682 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [5520] [2024-11-24 01:49:30,693 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] [2024-11-24 01:49:30,699 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] [2024-11-24 01:49:30,702 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] [2024-11-24 01:49:30,705 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] [2024-11-24 01:49:30,740 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [6297] [2024-11-24 01:49:30,742 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] [2024-11-24 01:49:30,793 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [6765] [2024-11-24 01:49:30,805 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [6925] [2024-11-24 01:49:30,852 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)dev->rx_info.next_rx_desc) [7447] [2024-11-24 01:49:31,021 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_e4c900df-d050-434a-9667-896334e0bb95/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] [2024-11-24 01:49:31,022 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_e4c900df-d050-434a-9667-896334e0bb95/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] [2024-11-24 01:49:31,022 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_e4c900df-d050-434a-9667-896334e0bb95/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] [2024-11-24 01:49:31,023 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_e4c900df-d050-434a-9667-896334e0bb95/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] [2024-11-24 01:49:31,040 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:49:31,323 INFO L204 MainTranslator]: Completed translation [2024-11-24 01:49:31,323 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:49:31 WrapperNode [2024-11-24 01:49:31,324 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 01:49:31,326 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 01:49:31,326 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 01:49:31,326 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 01:49:31,340 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:49:31" (1/1) ... [2024-11-24 01:49:31,456 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:49:31" (1/1) ... [2024-11-24 01:49:31,743 INFO L138 Inliner]: procedures = 460, calls = 1838, calls flagged for inlining = 218, calls inlined = 200, statements flattened = 5090 [2024-11-24 01:49:31,743 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 01:49:31,744 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 01:49:31,744 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 01:49:31,744 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 01:49:31,758 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:49:31" (1/1) ... [2024-11-24 01:49:31,758 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:49:31" (1/1) ... [2024-11-24 01:49:31,789 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:49:31" (1/1) ... [2024-11-24 01:49:33,315 INFO L175 MemorySlicer]: Split 789 memory accesses to 18 slices as follows [8, 2, 2, 26, 1, 5, 2, 5, 6, 648, 5, 3, 8, 8, 1, 2, 54, 3]. 82 percent of accesses are in the largest equivalence class. The 93 initializations are split as follows [8, 0, 0, 26, 0, 5, 0, 5, 0, 21, 5, 3, 8, 8, 1, 2, 0, 1]. The 308 writes are split as follows [0, 1, 1, 0, 0, 0, 1, 0, 5, 258, 0, 0, 0, 0, 0, 0, 42, 0]. [2024-11-24 01:49:33,316 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:49:31" (1/1) ... [2024-11-24 01:49:33,316 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:49:31" (1/1) ... [2024-11-24 01:49:33,457 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:49:31" (1/1) ... [2024-11-24 01:49:33,473 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:49:31" (1/1) ... [2024-11-24 01:49:33,495 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:49:31" (1/1) ... [2024-11-24 01:49:33,531 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:49:31" (1/1) ... [2024-11-24 01:49:33,551 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:49:31" (1/1) ... [2024-11-24 01:49:33,611 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 01:49:33,612 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 01:49:33,612 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 01:49:33,612 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 01:49:33,613 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:49:31" (1/1) ... [2024-11-24 01:49:33,626 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:49:33,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4c900df-d050-434a-9667-896334e0bb95/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:49:33,660 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4c900df-d050-434a-9667-896334e0bb95/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 01:49:33,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4c900df-d050-434a-9667-896334e0bb95/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 01:49:33,705 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_set_multicast [2024-11-24 01:49:33,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_set_multicast [2024-11-24 01:49:33,708 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-24 01:49:33,710 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-24 01:49:33,710 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_rx_kick [2024-11-24 01:49:33,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_rx_kick [2024-11-24 01:49:33,710 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2024-11-24 01:49:33,710 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2024-11-24 01:49:33,710 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_do_reset [2024-11-24 01:49:33,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_do_reset [2024-11-24 01:49:33,711 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_87 [2024-11-24 01:49:33,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_87 [2024-11-24 01:49:33,711 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-24 01:49:33,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-24 01:49:33,711 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2024-11-24 01:49:33,711 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2024-11-24 01:49:33,711 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-11-24 01:49:33,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-11-24 01:49:33,711 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2024-11-24 01:49:33,711 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2024-11-24 01:49:33,711 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_62 [2024-11-24 01:49:33,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_62 [2024-11-24 01:49:33,711 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_73 [2024-11-24 01:49:33,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_73 [2024-11-24 01:49:33,711 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_69 [2024-11-24 01:49:33,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_69 [2024-11-24 01:49:33,712 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_remove_one [2024-11-24 01:49:33,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_remove_one [2024-11-24 01:49:33,712 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2024-11-24 01:49:33,712 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2024-11-24 01:49:33,712 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_update_stats [2024-11-24 01:49:33,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_update_stats [2024-11-24 01:49:33,712 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2024-11-24 01:49:33,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2024-11-24 01:49:33,712 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2024-11-24 01:49:33,712 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2024-11-24 01:49:33,712 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2024-11-24 01:49:33,712 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2024-11-24 01:49:33,712 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2024-11-24 01:49:33,712 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2024-11-24 01:49:33,712 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-11-24 01:49:33,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-11-24 01:49:33,716 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-11-24 01:49:33,716 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-11-24 01:49:33,716 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2024-11-24 01:49:33,717 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2024-11-24 01:49:33,717 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-24 01:49:33,717 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2024-11-24 01:49:33,717 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2024-11-24 01:49:33,717 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2024-11-24 01:49:33,717 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2024-11-24 01:49:33,717 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2024-11-24 01:49:33,717 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2024-11-24 01:49:33,717 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_tx_timeout [2024-11-24 01:49:33,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_tx_timeout [2024-11-24 01:49:33,717 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2024-11-24 01:49:33,717 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2024-11-24 01:49:33,717 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2024-11-24 01:49:33,717 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2024-11-24 01:49:33,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-24 01:49:33,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-24 01:49:33,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-24 01:49:33,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-24 01:49:33,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-24 01:49:33,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-24 01:49:33,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-24 01:49:33,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-24 01:49:33,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-24 01:49:33,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-24 01:49:33,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-24 01:49:33,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-24 01:49:33,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-24 01:49:33,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-11-24 01:49:33,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-11-24 01:49:33,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-11-24 01:49:33,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-11-24 01:49:33,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-11-24 01:49:33,719 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2024-11-24 01:49:33,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2024-11-24 01:49:33,719 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2024-11-24 01:49:33,719 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2024-11-24 01:49:33,719 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-24 01:49:33,719 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-24 01:49:33,719 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-24 01:49:33,719 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-24 01:49:33,719 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-24 01:49:33,719 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-24 01:49:33,719 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-24 01:49:33,719 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-24 01:49:33,719 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-24 01:49:33,719 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-24 01:49:33,719 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-24 01:49:33,720 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-24 01:49:33,724 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-24 01:49:33,724 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-24 01:49:33,724 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-24 01:49:33,724 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-24 01:49:33,724 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-11-24 01:49:33,724 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-11-24 01:49:33,724 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2024-11-24 01:49:33,724 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2024-11-24 01:49:33,724 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2024-11-24 01:49:33,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2024-11-24 01:49:33,724 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2024-11-24 01:49:33,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2024-11-24 01:49:33,724 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2024-11-24 01:49:33,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2024-11-24 01:49:33,724 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2024-11-24 01:49:33,725 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2024-11-24 01:49:33,725 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2024-11-24 01:49:33,725 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2024-11-24 01:49:33,725 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2024-11-24 01:49:33,725 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2024-11-24 01:49:33,725 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2024-11-24 01:49:33,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2024-11-24 01:49:33,725 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_run_bist [2024-11-24 01:49:33,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_run_bist [2024-11-24 01:49:33,725 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-24 01:49:33,725 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2024-11-24 01:49:33,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2024-11-24 01:49:33,725 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2024-11-24 01:49:33,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2024-11-24 01:49:33,725 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2024-11-24 01:49:33,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2024-11-24 01:49:33,725 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 01:49:33,725 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-11-24 01:49:33,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-11-24 01:49:33,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-24 01:49:33,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-24 01:49:33,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-24 01:49:33,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-24 01:49:33,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-24 01:49:33,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-24 01:49:33,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-24 01:49:33,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-24 01:49:33,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-24 01:49:33,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-24 01:49:33,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-24 01:49:33,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-24 01:49:33,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-24 01:49:33,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-24 01:49:33,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-11-24 01:49:33,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-11-24 01:49:33,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-11-24 01:49:33,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-11-24 01:49:33,729 INFO L130 BoogieDeclarations]: Found specification of procedure clear_rx_desc [2024-11-24 01:49:33,729 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_rx_desc [2024-11-24 01:49:33,730 INFO L130 BoogieDeclarations]: Found specification of procedure phy_intr [2024-11-24 01:49:33,730 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_intr [2024-11-24 01:49:33,730 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-11-24 01:49:33,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-11-24 01:49:33,730 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2024-11-24 01:49:33,731 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2024-11-24 01:49:33,731 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2024-11-24 01:49:33,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2024-11-24 01:49:33,731 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2024-11-24 01:49:33,731 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2024-11-24 01:49:33,731 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2024-11-24 01:49:33,731 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2024-11-24 01:49:33,733 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2024-11-24 01:49:33,733 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2024-11-24 01:49:33,733 INFO L130 BoogieDeclarations]: Found specification of procedure do_tx_done [2024-11-24 01:49:33,733 INFO L138 BoogieDeclarations]: Found implementation of procedure do_tx_done [2024-11-24 01:49:33,733 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_misc_lock_of_ns83820 [2024-11-24 01:49:33,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_misc_lock_of_ns83820 [2024-11-24 01:49:33,733 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2024-11-24 01:49:33,733 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2024-11-24 01:49:33,733 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2024-11-24 01:49:33,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2024-11-24 01:49:33,733 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2024-11-24 01:49:33,733 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2024-11-24 01:49:33,733 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2024-11-24 01:49:33,733 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2024-11-24 01:49:33,733 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 01:49:33,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 01:49:33,733 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_stop [2024-11-24 01:49:33,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_stop [2024-11-24 01:49:33,734 INFO L130 BoogieDeclarations]: Found specification of procedure kick_tx [2024-11-24 01:49:33,734 INFO L138 BoogieDeclarations]: Found implementation of procedure kick_tx [2024-11-24 01:49:33,734 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_rx_info [2024-11-24 01:49:33,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_rx_info [2024-11-24 01:49:33,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-24 01:49:33,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-24 01:49:33,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-24 01:49:33,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-24 01:49:33,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-24 01:49:33,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-24 01:49:33,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-24 01:49:33,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-24 01:49:33,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-24 01:49:33,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-24 01:49:33,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-24 01:49:33,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-24 01:49:33,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-24 01:49:33,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-11-24 01:49:33,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-11-24 01:49:33,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-11-24 01:49:33,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-11-24 01:49:33,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2024-11-24 01:49:33,738 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-24 01:49:33,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-24 01:49:33,738 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2024-11-24 01:49:33,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2024-11-24 01:49:33,738 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-11-24 01:49:33,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-11-24 01:49:33,738 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2024-11-24 01:49:33,738 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2024-11-24 01:49:33,739 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2024-11-24 01:49:33,739 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2024-11-24 01:49:33,739 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2024-11-24 01:49:33,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2024-11-24 01:49:33,739 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2024-11-24 01:49:33,739 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2024-11-24 01:49:33,739 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2024-11-24 01:49:33,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2024-11-24 01:49:33,739 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2024-11-24 01:49:33,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2024-11-24 01:49:33,739 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-24 01:49:33,739 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-24 01:49:33,739 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-24 01:49:33,739 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-11-24 01:49:33,739 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-11-24 01:49:33,739 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-11-24 01:49:33,739 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-11-24 01:49:33,739 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-11-24 01:49:33,739 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2024-11-24 01:49:33,739 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2024-11-24 01:49:33,739 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2024-11-24 01:49:33,739 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2024-11-24 01:49:33,740 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2024-11-24 01:49:33,740 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2024-11-24 01:49:33,740 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#14 [2024-11-24 01:49:33,740 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#15 [2024-11-24 01:49:33,740 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#16 [2024-11-24 01:49:33,740 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#17 [2024-11-24 01:49:33,740 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-24 01:49:33,740 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-24 01:49:33,740 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-24 01:49:33,740 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-11-24 01:49:33,740 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-11-24 01:49:33,740 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-11-24 01:49:33,740 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-11-24 01:49:33,740 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-11-24 01:49:33,740 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2024-11-24 01:49:33,740 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2024-11-24 01:49:33,740 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2024-11-24 01:49:33,740 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2024-11-24 01:49:33,740 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2024-11-24 01:49:33,740 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2024-11-24 01:49:33,740 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#14 [2024-11-24 01:49:33,741 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#15 [2024-11-24 01:49:33,741 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#16 [2024-11-24 01:49:33,741 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#17 [2024-11-24 01:49:33,741 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2024-11-24 01:49:33,741 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2024-11-24 01:49:33,741 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2024-11-24 01:49:33,741 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2024-11-24 01:49:33,741 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2024-11-24 01:49:33,741 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2024-11-24 01:49:33,741 INFO L130 BoogieDeclarations]: Found specification of procedure PRIV [2024-11-24 01:49:33,741 INFO L138 BoogieDeclarations]: Found implementation of procedure PRIV [2024-11-24 01:49:33,741 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2024-11-24 01:49:33,741 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2024-11-24 01:49:33,741 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-24 01:49:33,741 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_72 [2024-11-24 01:49:33,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_72 [2024-11-24 01:49:33,741 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-24 01:49:33,741 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-24 01:49:33,741 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-24 01:49:33,741 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-24 01:49:33,741 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-24 01:49:33,741 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-24 01:49:33,742 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-24 01:49:33,748 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-24 01:49:33,748 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-24 01:49:33,748 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-24 01:49:33,748 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-24 01:49:33,748 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-24 01:49:33,748 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-24 01:49:33,748 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-24 01:49:33,748 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-24 01:49:33,748 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-11-24 01:49:33,748 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-11-24 01:49:33,748 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-11-24 01:49:33,748 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-24 01:49:33,748 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-24 01:49:33,748 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2024-11-24 01:49:33,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2024-11-24 01:49:33,749 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2024-11-24 01:49:33,749 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2024-11-24 01:49:33,749 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2024-11-24 01:49:33,749 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2024-11-24 01:49:33,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2024-11-24 01:49:33,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2024-11-24 01:49:33,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2024-11-24 01:49:33,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2024-11-24 01:49:33,749 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2024-11-24 01:49:33,749 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2024-11-24 01:49:33,749 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2024-11-24 01:49:33,749 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2024-11-24 01:49:33,749 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2024-11-24 01:49:33,749 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2024-11-24 01:49:33,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_tx_lock_of_ns83820 [2024-11-24 01:49:33,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_tx_lock_of_ns83820 [2024-11-24 01:49:33,749 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_irq [2024-11-24 01:49:33,750 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_irq [2024-11-24 01:49:33,750 INFO L130 BoogieDeclarations]: Found specification of procedure build_rx_desc [2024-11-24 01:49:33,750 INFO L138 BoogieDeclarations]: Found implementation of procedure build_rx_desc [2024-11-24 01:49:33,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-24 01:49:33,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-24 01:49:33,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-24 01:49:33,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-24 01:49:33,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-24 01:49:33,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-24 01:49:33,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-24 01:49:33,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-24 01:49:33,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-24 01:49:33,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-24 01:49:33,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-24 01:49:33,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-24 01:49:33,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-24 01:49:33,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-24 01:49:33,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-24 01:49:33,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-24 01:49:33,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-11-24 01:49:33,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-11-24 01:49:33,750 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2024-11-24 01:49:33,750 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2024-11-24 01:49:33,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-24 01:49:33,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-24 01:49:33,751 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2024-11-24 01:49:33,751 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2024-11-24 01:49:33,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_misc_lock_of_ns83820 [2024-11-24 01:49:33,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_misc_lock_of_ns83820 [2024-11-24 01:49:33,751 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2024-11-24 01:49:33,751 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2024-11-24 01:49:33,751 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_open [2024-11-24 01:49:33,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_open [2024-11-24 01:49:33,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2024-11-24 01:49:33,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2024-11-24 01:49:33,751 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2024-11-24 01:49:33,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2024-11-24 01:49:33,751 INFO L130 BoogieDeclarations]: Found specification of procedure rx_irq [2024-11-24 01:49:33,751 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_irq [2024-11-24 01:49:33,751 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_disable_interrupts [2024-11-24 01:49:33,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_disable_interrupts [2024-11-24 01:49:33,751 INFO L130 BoogieDeclarations]: Found specification of procedure kick_rx [2024-11-24 01:49:33,751 INFO L138 BoogieDeclarations]: Found implementation of procedure kick_rx [2024-11-24 01:49:33,751 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2024-11-24 01:49:33,751 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2024-11-24 01:49:33,751 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2024-11-24 01:49:33,751 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2024-11-24 01:49:33,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-24 01:49:33,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-24 01:49:33,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-24 01:49:33,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-24 01:49:33,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-24 01:49:33,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-24 01:49:33,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-24 01:49:33,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-24 01:49:33,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-24 01:49:33,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-24 01:49:33,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-24 01:49:33,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-24 01:49:33,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-24 01:49:33,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-24 01:49:33,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-24 01:49:33,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-24 01:49:33,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-24 01:49:33,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-11-24 01:49:33,752 INFO L130 BoogieDeclarations]: Found specification of procedure rx_refill [2024-11-24 01:49:33,752 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_refill [2024-11-24 01:49:33,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2024-11-24 01:49:33,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2024-11-24 01:49:33,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_rx_info [2024-11-24 01:49:33,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_rx_info [2024-11-24 01:49:33,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_tx_lock_of_ns83820 [2024-11-24 01:49:33,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_tx_lock_of_ns83820 [2024-11-24 01:49:35,086 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 01:49:35,090 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 01:49:35,392 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-24 01:49:49,358 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2024-11-24 01:49:51,022 INFO L? ?]: Removed 2331 outVars from TransFormulas that were not future-live. [2024-11-24 01:49:51,022 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 01:49:51,118 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 01:49:51,122 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-24 01:49:51,122 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:49:51 BoogieIcfgContainer [2024-11-24 01:49:51,122 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 01:49:51,125 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 01:49:51,128 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 01:49:51,134 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 01:49:51,135 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 01:49:27" (1/3) ... [2024-11-24 01:49:51,138 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56258801 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:49:51, skipping insertion in model container [2024-11-24 01:49:51,138 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:49:31" (2/3) ... [2024-11-24 01:49:51,138 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56258801 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:49:51, skipping insertion in model container [2024-11-24 01:49:51,139 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:49:51" (3/3) ... [2024-11-24 01:49:51,140 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-natsemi-ns83820.cil.i [2024-11-24 01:49:51,164 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 01:49:51,171 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. [2024-11-24 01:49:51,346 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 01:49:51,364 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;@28e9a16, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 01:49:51,365 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-11-24 01:49:51,380 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) [2024-11-24 01:49:51,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-24 01:49:51,397 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:49:51,398 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] [2024-11-24 01:49:51,398 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)] === [2024-11-24 01:49:51,405 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:49:51,407 INFO L85 PathProgramCache]: Analyzing trace with hash -703447828, now seen corresponding path program 1 times [2024-11-24 01:49:51,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:49:51,417 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2075598786] [2024-11-24 01:49:51,417 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:49:51,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:49:55,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:49:56,770 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2024-11-24 01:49:56,771 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:49:56,771 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2075598786] [2024-11-24 01:49:56,772 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2075598786] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:49:56,772 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:49:56,773 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:49:56,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [35275033] [2024-11-24 01:49:56,776 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:49:56,780 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:49:56,781 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:49:56,809 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:49:56,810 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:49:56,821 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) [2024-11-24 01:50:00,905 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 [] [2024-11-24 01:50:01,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:50:01,690 INFO L93 Difference]: Finished difference Result 6625 states and 9525 transitions. [2024-11-24 01:50:01,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:50:01,694 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 [2024-11-24 01:50:01,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:50:01,778 INFO L225 Difference]: With dead ends: 6625 [2024-11-24 01:50:01,778 INFO L226 Difference]: Without dead ends: 4387 [2024-11-24 01:50:01,812 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 [2024-11-24 01:50:01,815 INFO L435 NwaCegarLoop]: 3142 mSDtfsCounter, 3012 mSDsluCounter, 3062 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s 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, 4.2s IncrementalHoareTripleChecker+Time [2024-11-24 01:50:01,820 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3012 Valid, 6204 Invalid, 14 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 10 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2024-11-24 01:50:01,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4387 states. [2024-11-24 01:50:02,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4387 to 4383. [2024-11-24 01:50:02,328 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) [2024-11-24 01:50:02,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4383 states to 4383 states and 6063 transitions. [2024-11-24 01:50:02,400 INFO L78 Accepts]: Start accepts. Automaton has 4383 states and 6063 transitions. Word has length 101 [2024-11-24 01:50:02,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:50:02,401 INFO L471 AbstractCegarLoop]: Abstraction has 4383 states and 6063 transitions. [2024-11-24 01:50:02,405 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) [2024-11-24 01:50:02,405 INFO L276 IsEmpty]: Start isEmpty. Operand 4383 states and 6063 transitions. [2024-11-24 01:50:02,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-24 01:50:02,418 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:50:02,418 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] [2024-11-24 01:50:02,421 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-24 01:50:02,422 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)] === [2024-11-24 01:50:02,422 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:50:02,422 INFO L85 PathProgramCache]: Analyzing trace with hash 1948196049, now seen corresponding path program 1 times [2024-11-24 01:50:02,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:50:02,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1450544278] [2024-11-24 01:50:02,423 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:50:02,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:50:06,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:50:06,996 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2024-11-24 01:50:06,996 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:50:06,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1450544278] [2024-11-24 01:50:06,996 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1450544278] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:50:06,996 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:50:06,996 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:50:06,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2134516304] [2024-11-24 01:50:06,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:50:06,998 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:50:06,998 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:50:07,001 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:50:07,002 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:50:07,002 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) [2024-11-24 01:50:11,059 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 [] [2024-11-24 01:50:12,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:50:12,196 INFO L93 Difference]: Finished difference Result 12353 states and 17061 transitions. [2024-11-24 01:50:12,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:50:12,197 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 [2024-11-24 01:50:12,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:50:12,272 INFO L225 Difference]: With dead ends: 12353 [2024-11-24 01:50:12,273 INFO L226 Difference]: Without dead ends: 7989 [2024-11-24 01:50:12,303 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 [2024-11-24 01:50:12,304 INFO L435 NwaCegarLoop]: 3105 mSDtfsCounter, 2536 mSDsluCounter, 3011 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s 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 [2024-11-24 01:50:12,304 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] [2024-11-24 01:50:12,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7989 states. [2024-11-24 01:50:12,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7989 to 7952. [2024-11-24 01:50:13,006 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) [2024-11-24 01:50:13,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7952 states to 7952 states and 10967 transitions. [2024-11-24 01:50:13,095 INFO L78 Accepts]: Start accepts. Automaton has 7952 states and 10967 transitions. Word has length 114 [2024-11-24 01:50:13,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:50:13,098 INFO L471 AbstractCegarLoop]: Abstraction has 7952 states and 10967 transitions. [2024-11-24 01:50:13,098 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) [2024-11-24 01:50:13,098 INFO L276 IsEmpty]: Start isEmpty. Operand 7952 states and 10967 transitions. [2024-11-24 01:50:13,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-24 01:50:13,108 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:50:13,108 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] [2024-11-24 01:50:13,108 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-24 01:50:13,109 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)] === [2024-11-24 01:50:13,109 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:50:13,109 INFO L85 PathProgramCache]: Analyzing trace with hash -115310096, now seen corresponding path program 1 times [2024-11-24 01:50:13,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:50:13,110 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [622753825] [2024-11-24 01:50:13,110 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:50:13,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:50:16,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:50:17,501 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2024-11-24 01:50:17,501 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:50:17,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [622753825] [2024-11-24 01:50:17,501 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [622753825] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:50:17,501 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:50:17,501 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:50:17,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [541344308] [2024-11-24 01:50:17,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:50:17,502 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:50:17,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:50:17,502 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:50:17,503 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:50:17,503 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) [2024-11-24 01:50:21,559 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 [] [2024-11-24 01:50:22,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:50:22,846 INFO L93 Difference]: Finished difference Result 15579 states and 21484 transitions. [2024-11-24 01:50:22,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:50:22,847 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 [2024-11-24 01:50:22,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:50:22,904 INFO L225 Difference]: With dead ends: 15579 [2024-11-24 01:50:22,905 INFO L226 Difference]: Without dead ends: 7646 [2024-11-24 01:50:22,937 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 [2024-11-24 01:50:22,941 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 [2024-11-24 01:50:22,942 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] [2024-11-24 01:50:22,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7646 states. [2024-11-24 01:50:23,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7646 to 7618. [2024-11-24 01:50:23,377 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) [2024-11-24 01:50:23,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7618 states to 7618 states and 10457 transitions. [2024-11-24 01:50:23,444 INFO L78 Accepts]: Start accepts. Automaton has 7618 states and 10457 transitions. Word has length 115 [2024-11-24 01:50:23,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:50:23,447 INFO L471 AbstractCegarLoop]: Abstraction has 7618 states and 10457 transitions. [2024-11-24 01:50:23,447 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) [2024-11-24 01:50:23,447 INFO L276 IsEmpty]: Start isEmpty. Operand 7618 states and 10457 transitions. [2024-11-24 01:50:23,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-24 01:50:23,452 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:50:23,452 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] [2024-11-24 01:50:23,453 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-24 01:50:23,453 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)] === [2024-11-24 01:50:23,453 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:50:23,454 INFO L85 PathProgramCache]: Analyzing trace with hash -589351707, now seen corresponding path program 1 times [2024-11-24 01:50:23,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:50:23,454 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749070910] [2024-11-24 01:50:23,454 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:50:23,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:50:27,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:50:27,634 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 214 trivial. 0 not checked. [2024-11-24 01:50:27,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:50:27,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [749070910] [2024-11-24 01:50:27,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [749070910] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:50:27,635 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:50:27,635 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:50:27,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102727195] [2024-11-24 01:50:27,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:50:27,638 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:50:27,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:50:27,639 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:50:27,639 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:50:27,640 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) [2024-11-24 01:50:31,693 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 [] [2024-11-24 01:50:32,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:50:32,610 INFO L93 Difference]: Finished difference Result 20924 states and 28716 transitions. [2024-11-24 01:50:32,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:50:32,611 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 [2024-11-24 01:50:32,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:50:32,775 INFO L225 Difference]: With dead ends: 20924 [2024-11-24 01:50:32,775 INFO L226 Difference]: Without dead ends: 13325 [2024-11-24 01:50:32,825 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 [2024-11-24 01:50:32,826 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 [2024-11-24 01:50:32,827 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] [2024-11-24 01:50:32,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13325 states. [2024-11-24 01:50:33,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13325 to 13286. [2024-11-24 01:50:33,846 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) [2024-11-24 01:50:33,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13286 states to 13286 states and 18226 transitions. [2024-11-24 01:50:34,181 INFO L78 Accepts]: Start accepts. Automaton has 13286 states and 18226 transitions. Word has length 119 [2024-11-24 01:50:34,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:50:34,185 INFO L471 AbstractCegarLoop]: Abstraction has 13286 states and 18226 transitions. [2024-11-24 01:50:34,188 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) [2024-11-24 01:50:34,188 INFO L276 IsEmpty]: Start isEmpty. Operand 13286 states and 18226 transitions. [2024-11-24 01:50:34,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-24 01:50:34,194 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:50:34,195 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] [2024-11-24 01:50:34,195 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-24 01:50:34,195 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)] === [2024-11-24 01:50:34,197 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:50:34,201 INFO L85 PathProgramCache]: Analyzing trace with hash 2101060739, now seen corresponding path program 1 times [2024-11-24 01:50:34,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:50:34,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1839980303] [2024-11-24 01:50:34,201 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:50:34,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:50:38,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:50:38,790 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 214 trivial. 0 not checked. [2024-11-24 01:50:38,791 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:50:38,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1839980303] [2024-11-24 01:50:38,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1839980303] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:50:38,791 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:50:38,791 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:50:38,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [803134084] [2024-11-24 01:50:38,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:50:38,792 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:50:38,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:50:38,793 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:50:38,793 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:50:38,794 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) [2024-11-24 01:50:42,841 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 [] [2024-11-24 01:50:44,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:50:44,064 INFO L93 Difference]: Finished difference Result 36204 states and 49451 transitions. [2024-11-24 01:50:44,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:50:44,065 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 [2024-11-24 01:50:44,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:50:44,245 INFO L225 Difference]: With dead ends: 36204 [2024-11-24 01:50:44,245 INFO L226 Difference]: Without dead ends: 22937 [2024-11-24 01:50:44,315 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 [2024-11-24 01:50:44,316 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, 4.3s IncrementalHoareTripleChecker+Time [2024-11-24 01:50:44,316 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2832 Valid, 6916 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 22 Invalid, 1 Unknown, 0 Unchecked, 4.3s Time] [2024-11-24 01:50:44,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22937 states. [2024-11-24 01:50:46,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22937 to 22896. [2024-11-24 01:50:46,128 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) [2024-11-24 01:50:46,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22896 states to 22896 states and 31164 transitions. [2024-11-24 01:50:46,231 INFO L78 Accepts]: Start accepts. Automaton has 22896 states and 31164 transitions. Word has length 122 [2024-11-24 01:50:46,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:50:46,231 INFO L471 AbstractCegarLoop]: Abstraction has 22896 states and 31164 transitions. [2024-11-24 01:50:46,232 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) [2024-11-24 01:50:46,232 INFO L276 IsEmpty]: Start isEmpty. Operand 22896 states and 31164 transitions. [2024-11-24 01:50:46,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-11-24 01:50:46,236 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:50:46,237 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] [2024-11-24 01:50:46,237 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-24 01:50:46,237 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)] === [2024-11-24 01:50:46,237 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:50:46,238 INFO L85 PathProgramCache]: Analyzing trace with hash 969343077, now seen corresponding path program 1 times [2024-11-24 01:50:46,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:50:46,238 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1204882425] [2024-11-24 01:50:46,238 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:50:46,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:50:49,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:50:50,227 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 315 trivial. 0 not checked. [2024-11-24 01:50:50,227 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:50:50,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1204882425] [2024-11-24 01:50:50,228 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1204882425] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:50:50,228 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:50:50,229 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:50:50,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1678063168] [2024-11-24 01:50:50,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:50:50,229 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:50:50,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:50:50,231 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:50:50,231 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:50:50,232 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) [2024-11-24 01:50:54,283 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 [] [2024-11-24 01:50:56,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:50:56,240 INFO L93 Difference]: Finished difference Result 67789 states and 92361 transitions. [2024-11-24 01:50:56,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:50:56,241 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 [2024-11-24 01:50:56,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:50:56,667 INFO L225 Difference]: With dead ends: 67789 [2024-11-24 01:50:56,668 INFO L226 Difference]: Without dead ends: 44958 [2024-11-24 01:50:56,740 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 [2024-11-24 01:50:56,741 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 [2024-11-24 01:50:56,742 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] [2024-11-24 01:50:56,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44958 states. [2024-11-24 01:50:59,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44958 to 44934. [2024-11-24 01:50:59,188 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) [2024-11-24 01:50:59,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44934 states to 44934 states and 61224 transitions. [2024-11-24 01:50:59,512 INFO L78 Accepts]: Start accepts. Automaton has 44934 states and 61224 transitions. Word has length 158 [2024-11-24 01:50:59,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:50:59,514 INFO L471 AbstractCegarLoop]: Abstraction has 44934 states and 61224 transitions. [2024-11-24 01:50:59,514 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) [2024-11-24 01:50:59,514 INFO L276 IsEmpty]: Start isEmpty. Operand 44934 states and 61224 transitions. [2024-11-24 01:50:59,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-11-24 01:50:59,521 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:50:59,521 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] [2024-11-24 01:50:59,521 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-24 01:50:59,521 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)] === [2024-11-24 01:50:59,522 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:50:59,523 INFO L85 PathProgramCache]: Analyzing trace with hash 1392044903, now seen corresponding path program 1 times [2024-11-24 01:50:59,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:50:59,524 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [190748178] [2024-11-24 01:50:59,524 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:50:59,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:51:03,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:51:04,527 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 321 trivial. 0 not checked. [2024-11-24 01:51:04,527 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:51:04,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [190748178] [2024-11-24 01:51:04,527 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [190748178] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:51:04,527 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:51:04,527 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 01:51:04,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [509830490] [2024-11-24 01:51:04,527 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:51:04,528 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 01:51:04,528 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:51:04,528 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 01:51:04,528 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 01:51:04,528 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) [2024-11-24 01:51:06,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:51:06,638 INFO L93 Difference]: Finished difference Result 44940 states and 61229 transitions. [2024-11-24 01:51:06,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 01:51:06,639 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 [2024-11-24 01:51:06,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:51:06,914 INFO L225 Difference]: With dead ends: 44940 [2024-11-24 01:51:06,915 INFO L226 Difference]: Without dead ends: 44938 [2024-11-24 01:51:06,935 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-24 01:51:06,937 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 [2024-11-24 01:51:06,938 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] [2024-11-24 01:51:06,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44938 states. [2024-11-24 01:51:09,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44938 to 44938. [2024-11-24 01:51:09,934 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) [2024-11-24 01:51:10,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44938 states to 44938 states and 61227 transitions. [2024-11-24 01:51:10,258 INFO L78 Accepts]: Start accepts. Automaton has 44938 states and 61227 transitions. Word has length 158 [2024-11-24 01:51:10,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:51:10,258 INFO L471 AbstractCegarLoop]: Abstraction has 44938 states and 61227 transitions. [2024-11-24 01:51:10,259 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) [2024-11-24 01:51:10,259 INFO L276 IsEmpty]: Start isEmpty. Operand 44938 states and 61227 transitions. [2024-11-24 01:51:10,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-24 01:51:10,263 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:51:10,263 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] [2024-11-24 01:51:10,263 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-24 01:51:10,264 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)] === [2024-11-24 01:51:10,264 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:51:10,264 INFO L85 PathProgramCache]: Analyzing trace with hash -2107312769, now seen corresponding path program 1 times [2024-11-24 01:51:10,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:51:10,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [597544024] [2024-11-24 01:51:10,265 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:51:10,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:51:14,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:51:15,640 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 321 trivial. 0 not checked. [2024-11-24 01:51:15,640 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:51:15,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [597544024] [2024-11-24 01:51:15,641 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [597544024] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:51:15,641 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:51:15,641 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 01:51:15,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [573549170] [2024-11-24 01:51:15,642 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:51:15,642 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 01:51:15,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:51:15,643 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 01:51:15,643 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 01:51:15,644 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) [2024-11-24 01:51:17,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:51:17,546 INFO L93 Difference]: Finished difference Result 44944 states and 61232 transitions. [2024-11-24 01:51:17,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 01:51:17,547 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 [2024-11-24 01:51:17,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:51:17,845 INFO L225 Difference]: With dead ends: 44944 [2024-11-24 01:51:17,846 INFO L226 Difference]: Without dead ends: 44942 [2024-11-24 01:51:17,881 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-24 01:51:17,882 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, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-24 01:51:17,883 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3043 Valid, 9253 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-24 01:51:17,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44942 states. [2024-11-24 01:51:21,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44942 to 44942. [2024-11-24 01:51:21,100 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) [2024-11-24 01:51:21,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44942 states to 44942 states and 61230 transitions. [2024-11-24 01:51:21,429 INFO L78 Accepts]: Start accepts. Automaton has 44942 states and 61230 transitions. Word has length 163 [2024-11-24 01:51:21,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:51:21,429 INFO L471 AbstractCegarLoop]: Abstraction has 44942 states and 61230 transitions. [2024-11-24 01:51:21,429 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) [2024-11-24 01:51:21,429 INFO L276 IsEmpty]: Start isEmpty. Operand 44942 states and 61230 transitions. [2024-11-24 01:51:21,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2024-11-24 01:51:21,433 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:51:21,433 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] [2024-11-24 01:51:21,433 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-24 01:51:21,433 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)] === [2024-11-24 01:51:21,434 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:51:21,434 INFO L85 PathProgramCache]: Analyzing trace with hash 1342214695, now seen corresponding path program 1 times [2024-11-24 01:51:21,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:51:21,434 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1578346755] [2024-11-24 01:51:21,434 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:51:21,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms