./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-broadcom-b44.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa7e3fb-a8f2-4f52-abd7-7a9f9c7a1258/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa7e3fb-a8f2-4f52-abd7-7a9f9c7a1258/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa7e3fb-a8f2-4f52-abd7-7a9f9c7a1258/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa7e3fb-a8f2-4f52-abd7-7a9f9c7a1258/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-broadcom-b44.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa7e3fb-a8f2-4f52-abd7-7a9f9c7a1258/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa7e3fb-a8f2-4f52-abd7-7a9f9c7a1258/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 9c2c545000a4aace2bf2b77eaabc1a02d1a98ac54a14fcddb371fd030b12710a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 02:55:13,880 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 02:55:14,001 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa7e3fb-a8f2-4f52-abd7-7a9f9c7a1258/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-28 02:55:14,013 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 02:55:14,014 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 02:55:14,066 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 02:55:14,067 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 02:55:14,067 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 02:55:14,068 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 02:55:14,069 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 02:55:14,070 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 02:55:14,070 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 02:55:14,071 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 02:55:14,071 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 02:55:14,072 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 02:55:14,072 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 02:55:14,072 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 02:55:14,073 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 02:55:14,073 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 02:55:14,073 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 02:55:14,073 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 02:55:14,073 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 02:55:14,073 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 02:55:14,074 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 02:55:14,074 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 02:55:14,074 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 02:55:14,074 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:55:14,074 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:55:14,075 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:55:14,075 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:55:14,076 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 02:55:14,076 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:55:14,076 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:55:14,077 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:55:14,077 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:55:14,077 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 02:55:14,077 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 02:55:14,077 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 02:55:14,077 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 02:55:14,078 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 02:55:14,078 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 02:55:14,078 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 02:55:14,078 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 02:55:14,078 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 02:55:14,078 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 02:55:14,079 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_2aa7e3fb-a8f2-4f52-abd7-7a9f9c7a1258/bin/uautomizer-verify-aQ6SnzHsRB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9c2c545000a4aace2bf2b77eaabc1a02d1a98ac54a14fcddb371fd030b12710a [2024-11-28 02:55:14,480 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 02:55:14,496 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 02:55:14,499 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 02:55:14,500 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 02:55:14,501 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 02:55:14,504 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa7e3fb-a8f2-4f52-abd7-7a9f9c7a1258/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-broadcom-b44.cil.i [2024-11-28 02:55:17,688 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa7e3fb-a8f2-4f52-abd7-7a9f9c7a1258/bin/uautomizer-verify-aQ6SnzHsRB/data/a4ea29081/7d06adffc6d9435ba5c0e4ef9256a584/FLAG3a0179a29 [2024-11-28 02:55:18,494 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 02:55:18,495 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa7e3fb-a8f2-4f52-abd7-7a9f9c7a1258/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-broadcom-b44.cil.i [2024-11-28 02:55:18,566 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa7e3fb-a8f2-4f52-abd7-7a9f9c7a1258/bin/uautomizer-verify-aQ6SnzHsRB/data/a4ea29081/7d06adffc6d9435ba5c0e4ef9256a584/FLAG3a0179a29 [2024-11-28 02:55:18,593 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa7e3fb-a8f2-4f52-abd7-7a9f9c7a1258/bin/uautomizer-verify-aQ6SnzHsRB/data/a4ea29081/7d06adffc6d9435ba5c0e4ef9256a584 [2024-11-28 02:55:18,596 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 02:55:18,598 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 02:55:18,601 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 02:55:18,602 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 02:55:18,607 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 02:55:18,608 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:55:18" (1/1) ... [2024-11-28 02:55:18,609 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@402dc4f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:55:18, skipping insertion in model container [2024-11-28 02:55:18,609 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:55:18" (1/1) ... [2024-11-28 02:55:18,781 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 02:55:22,530 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_2aa7e3fb-a8f2-4f52-abd7-7a9f9c7a1258/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-broadcom-b44.cil.i[393820,393833] [2024-11-28 02:55:22,534 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_2aa7e3fb-a8f2-4f52-abd7-7a9f9c7a1258/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-broadcom-b44.cil.i[393989,394002] [2024-11-28 02:55:22,535 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_2aa7e3fb-a8f2-4f52-abd7-7a9f9c7a1258/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-broadcom-b44.cil.i[394156,394169] [2024-11-28 02:55:22,536 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_2aa7e3fb-a8f2-4f52-abd7-7a9f9c7a1258/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-broadcom-b44.cil.i[394324,394337] [2024-11-28 02:55:22,560 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:55:22,637 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 02:55:22,829 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"); [5746] [2024-11-28 02:55:22,831 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)); [5753] [2024-11-28 02:55:22,832 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5760] [2024-11-28 02:55:22,834 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)); [5800-5801] [2024-11-28 02:55:22,835 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"); [5806-5808] [2024-11-28 02:55:22,840 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/dynamic_queue_limits.h"), "i" (74), "i" (12UL)); [5979-5980] [2024-11-28 02:55:22,847 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)); [6083-6084] [2024-11-28 02:55:22,850 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)); [6117-6118] [2024-11-28 02:55:22,852 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (103), "i" (12UL)); [6154-6155] [2024-11-28 02:55:22,854 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (115), "i" (12UL)); [6191-6192] [2024-11-28 02:55:22,868 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/netdevice.h"), "i" (502), "i" (12UL)); [6577-6578] [2024-11-28 02:55:22,869 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6584] [2024-11-28 02:55:22,875 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [6764] [2024-11-28 02:55:22,876 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [6804] [2024-11-28 02:55:22,938 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/broadcom/b44.c"), "i" (630), "i" (12UL)); [8096-8097] [2024-11-28 02:55:22,951 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [8332] [2024-11-28 02:55:22,964 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8665] [2024-11-28 02:55:23,037 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/broadcom/b44.c"), "i" (1840), "i" (12UL)); [9873-9874] [2024-11-28 02:55:23,042 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/broadcom/b44.c"), "i" (1889), "i" (12UL)); [9958-9959] [2024-11-28 02:55:23,057 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/broadcom/b44.c"), "i" (2139), "i" (12UL)); [10318-10319] [2024-11-28 02:55:23,061 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/broadcom/b44.c"), "i" (2211), "i" (12UL)); [10410-10411] [2024-11-28 02:55:23,217 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_2aa7e3fb-a8f2-4f52-abd7-7a9f9c7a1258/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-broadcom-b44.cil.i[393820,393833] [2024-11-28 02:55:23,217 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_2aa7e3fb-a8f2-4f52-abd7-7a9f9c7a1258/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-broadcom-b44.cil.i[393989,394002] [2024-11-28 02:55:23,218 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_2aa7e3fb-a8f2-4f52-abd7-7a9f9c7a1258/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-broadcom-b44.cil.i[394156,394169] [2024-11-28 02:55:23,218 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_2aa7e3fb-a8f2-4f52-abd7-7a9f9c7a1258/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-broadcom-b44.cil.i[394324,394337] [2024-11-28 02:55:23,242 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:55:23,674 INFO L204 MainTranslator]: Completed translation [2024-11-28 02:55:23,674 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:55:23 WrapperNode [2024-11-28 02:55:23,675 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 02:55:23,676 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 02:55:23,677 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 02:55:23,678 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 02:55:23,688 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:55:23" (1/1) ... [2024-11-28 02:55:23,820 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:55:23" (1/1) ... [2024-11-28 02:55:24,113 INFO L138 Inliner]: procedures = 547, calls = 3958, calls flagged for inlining = 281, calls inlined = 241, statements flattened = 8277 [2024-11-28 02:55:24,114 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 02:55:24,115 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 02:55:24,116 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 02:55:24,116 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 02:55:24,128 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:55:23" (1/1) ... [2024-11-28 02:55:24,129 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:55:23" (1/1) ... [2024-11-28 02:55:24,182 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:55:23" (1/1) ... [2024-11-28 02:55:26,548 INFO L175 MemorySlicer]: Split 2550 memory accesses to 23 slices as follows [28, 2, 8, 6, 2360, 4, 2, 4, 1, 5, 2, 5, 22, 8, 3, 4, 3, 4, 1, 1, 33, 2, 42]. 93 percent of accesses are in the largest equivalence class. The 1590 initializations are split as follows [0, 1, 8, 6, 1528, 4, 0, 4, 0, 5, 0, 5, 0, 8, 3, 4, 3, 4, 0, 1, 4, 2, 0]. The 402 writes are split as follows [24, 0, 0, 0, 300, 0, 2, 0, 0, 0, 1, 0, 4, 0, 0, 0, 0, 0, 0, 0, 29, 0, 42]. [2024-11-28 02:55:26,549 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:55:23" (1/1) ... [2024-11-28 02:55:26,549 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:55:23" (1/1) ... [2024-11-28 02:55:26,790 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:55:23" (1/1) ... [2024-11-28 02:55:26,809 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:55:23" (1/1) ... [2024-11-28 02:55:26,863 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:55:23" (1/1) ... [2024-11-28 02:55:26,940 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:55:23" (1/1) ... [2024-11-28 02:55:26,975 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:55:23" (1/1) ... [2024-11-28 02:55:27,067 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 02:55:27,070 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 02:55:27,070 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 02:55:27,070 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 02:55:27,072 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:55:23" (1/1) ... [2024-11-28 02:55:27,082 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:55:27,097 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa7e3fb-a8f2-4f52-abd7-7a9f9c7a1258/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:55:27,115 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa7e3fb-a8f2-4f52-abd7-7a9f9c7a1258/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 02:55:27,121 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa7e3fb-a8f2-4f52-abd7-7a9f9c7a1258/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 02:55:27,148 INFO L130 BoogieDeclarations]: Found specification of procedure __b44_set_flow_ctrl [2024-11-28 02:55:27,148 INFO L138 BoogieDeclarations]: Found implementation of procedure __b44_set_flow_ctrl [2024-11-28 02:55:27,151 INFO L130 BoogieDeclarations]: Found specification of procedure ssb_set_drvdata [2024-11-28 02:55:27,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ssb_set_drvdata [2024-11-28 02:55:27,151 INFO L130 BoogieDeclarations]: Found specification of procedure b44_init_rings [2024-11-28 02:55:27,151 INFO L138 BoogieDeclarations]: Found implementation of procedure b44_init_rings [2024-11-28 02:55:27,151 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2024-11-28 02:55:27,151 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2024-11-28 02:55:27,151 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-28 02:55:27,151 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-28 02:55:27,151 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2024-11-28 02:55:27,151 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2024-11-28 02:55:27,151 INFO L130 BoogieDeclarations]: Found specification of procedure dma_sync_single_for_device [2024-11-28 02:55:27,151 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_sync_single_for_device [2024-11-28 02:55:27,151 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-28 02:55:27,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-28 02:55:27,152 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2024-11-28 02:55:27,152 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2024-11-28 02:55:27,152 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-11-28 02:55:27,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-11-28 02:55:27,152 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2024-11-28 02:55:27,152 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2024-11-28 02:55:27,152 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2024-11-28 02:55:27,152 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2024-11-28 02:55:27,152 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2024-11-28 02:55:27,152 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2024-11-28 02:55:27,152 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2024-11-28 02:55:27,152 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2024-11-28 02:55:27,152 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_66 [2024-11-28 02:55:27,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_66 [2024-11-28 02:55:27,152 INFO L130 BoogieDeclarations]: Found specification of procedure bwfilter_table [2024-11-28 02:55:27,152 INFO L138 BoogieDeclarations]: Found implementation of procedure bwfilter_table [2024-11-28 02:55:27,152 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2024-11-28 02:55:27,152 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2024-11-28 02:55:27,152 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2024-11-28 02:55:27,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2024-11-28 02:55:27,153 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2024-11-28 02:55:27,153 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2024-11-28 02:55:27,153 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-11-28 02:55:27,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-11-28 02:55:27,153 INFO L130 BoogieDeclarations]: Found specification of procedure b44_adjust_link [2024-11-28 02:55:27,153 INFO L138 BoogieDeclarations]: Found implementation of procedure b44_adjust_link [2024-11-28 02:55:27,153 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-28 02:55:27,153 INFO L130 BoogieDeclarations]: Found specification of procedure b44_writephy [2024-11-28 02:55:27,153 INFO L138 BoogieDeclarations]: Found implementation of procedure b44_writephy [2024-11-28 02:55:27,153 INFO L130 BoogieDeclarations]: Found specification of procedure b44_pci_exit [2024-11-28 02:55:27,153 INFO L138 BoogieDeclarations]: Found implementation of procedure b44_pci_exit [2024-11-28 02:55:27,153 INFO L130 BoogieDeclarations]: Found specification of procedure b44_init_hw [2024-11-28 02:55:27,153 INFO L138 BoogieDeclarations]: Found implementation of procedure b44_init_hw [2024-11-28 02:55:27,153 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2024-11-28 02:55:27,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2024-11-28 02:55:27,153 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2024-11-28 02:55:27,153 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2024-11-28 02:55:27,153 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2024-11-28 02:55:27,153 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2024-11-28 02:55:27,153 INFO L130 BoogieDeclarations]: Found specification of procedure ssb_pcihost_set_power_state [2024-11-28 02:55:27,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ssb_pcihost_set_power_state [2024-11-28 02:55:27,154 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-11-28 02:55:27,154 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-11-28 02:55:27,154 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-11-28 02:55:27,154 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-11-28 02:55:27,158 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-11-28 02:55:27,158 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-11-28 02:55:27,158 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-11-28 02:55:27,158 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-11-28 02:55:27,158 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-11-28 02:55:27,158 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-11-28 02:55:27,158 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-11-28 02:55:27,158 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2024-11-28 02:55:27,158 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2024-11-28 02:55:27,158 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2024-11-28 02:55:27,158 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2024-11-28 02:55:27,158 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2024-11-28 02:55:27,158 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#16 [2024-11-28 02:55:27,158 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#17 [2024-11-28 02:55:27,158 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#18 [2024-11-28 02:55:27,158 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#19 [2024-11-28 02:55:27,159 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#20 [2024-11-28 02:55:27,159 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#21 [2024-11-28 02:55:27,159 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#22 [2024-11-28 02:55:27,159 INFO L130 BoogieDeclarations]: Found specification of procedure __b44_writephy [2024-11-28 02:55:27,159 INFO L138 BoogieDeclarations]: Found implementation of procedure __b44_writephy [2024-11-28 02:55:27,159 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2024-11-28 02:55:27,159 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2024-11-28 02:55:27,159 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2024-11-28 02:55:27,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2024-11-28 02:55:27,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-28 02:55:27,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-28 02:55:27,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-28 02:55:27,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-28 02:55:27,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-28 02:55:27,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-28 02:55:27,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-28 02:55:27,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-28 02:55:27,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-28 02:55:27,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-28 02:55:27,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-28 02:55:27,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-28 02:55:27,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-28 02:55:27,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-11-28 02:55:27,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-11-28 02:55:27,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-11-28 02:55:27,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-11-28 02:55:27,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-11-28 02:55:27,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-11-28 02:55:27,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2024-11-28 02:55:27,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2024-11-28 02:55:27,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#21 [2024-11-28 02:55:27,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#22 [2024-11-28 02:55:27,160 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2024-11-28 02:55:27,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2024-11-28 02:55:27,160 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2024-11-28 02:55:27,160 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2024-11-28 02:55:27,160 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_b44 [2024-11-28 02:55:27,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_b44 [2024-11-28 02:55:27,160 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-28 02:55:27,160 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-28 02:55:27,160 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-28 02:55:27,160 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-28 02:55:27,160 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-28 02:55:27,160 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-28 02:55:27,160 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-28 02:55:27,160 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-28 02:55:27,160 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-28 02:55:27,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-28 02:55:27,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-28 02:55:27,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-28 02:55:27,163 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-28 02:55:27,163 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-28 02:55:27,163 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-28 02:55:27,163 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-28 02:55:27,163 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-11-28 02:55:27,163 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-11-28 02:55:27,163 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-11-28 02:55:27,163 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-11-28 02:55:27,164 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2024-11-28 02:55:27,164 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2024-11-28 02:55:27,164 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2024-11-28 02:55:27,164 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2024-11-28 02:55:27,164 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2024-11-28 02:55:27,164 INFO L130 BoogieDeclarations]: Found specification of procedure b44_interrupt [2024-11-28 02:55:27,164 INFO L138 BoogieDeclarations]: Found implementation of procedure b44_interrupt [2024-11-28 02:55:27,164 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-11-28 02:55:27,165 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-11-28 02:55:27,165 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-11-28 02:55:27,165 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-11-28 02:55:27,165 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-11-28 02:55:27,166 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-11-28 02:55:27,166 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-11-28 02:55:27,166 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-11-28 02:55:27,166 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2024-11-28 02:55:27,166 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2024-11-28 02:55:27,166 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2024-11-28 02:55:27,166 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#11 [2024-11-28 02:55:27,166 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#12 [2024-11-28 02:55:27,166 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#13 [2024-11-28 02:55:27,166 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#14 [2024-11-28 02:55:27,166 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#15 [2024-11-28 02:55:27,166 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#16 [2024-11-28 02:55:27,167 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#17 [2024-11-28 02:55:27,167 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#18 [2024-11-28 02:55:27,169 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#19 [2024-11-28 02:55:27,169 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#20 [2024-11-28 02:55:27,169 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#21 [2024-11-28 02:55:27,169 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#22 [2024-11-28 02:55:27,169 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-11-28 02:55:27,170 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-11-28 02:55:27,170 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-11-28 02:55:27,170 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-11-28 02:55:27,170 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-11-28 02:55:27,170 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-11-28 02:55:27,170 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-11-28 02:55:27,170 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-11-28 02:55:27,170 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2024-11-28 02:55:27,170 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2024-11-28 02:55:27,170 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2024-11-28 02:55:27,170 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#11 [2024-11-28 02:55:27,170 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#12 [2024-11-28 02:55:27,170 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#13 [2024-11-28 02:55:27,170 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#14 [2024-11-28 02:55:27,170 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#15 [2024-11-28 02:55:27,170 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#16 [2024-11-28 02:55:27,170 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#17 [2024-11-28 02:55:27,171 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#18 [2024-11-28 02:55:27,171 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#19 [2024-11-28 02:55:27,171 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#20 [2024-11-28 02:55:27,171 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#21 [2024-11-28 02:55:27,171 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#22 [2024-11-28 02:55:27,171 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2024-11-28 02:55:27,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2024-11-28 02:55:27,171 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2024-11-28 02:55:27,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2024-11-28 02:55:27,171 INFO L130 BoogieDeclarations]: Found specification of procedure b44_magic_pattern [2024-11-28 02:55:27,171 INFO L138 BoogieDeclarations]: Found implementation of procedure b44_magic_pattern [2024-11-28 02:55:27,171 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2024-11-28 02:55:27,171 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2024-11-28 02:55:27,171 INFO L130 BoogieDeclarations]: Found specification of procedure bw32 [2024-11-28 02:55:27,171 INFO L138 BoogieDeclarations]: Found implementation of procedure bw32 [2024-11-28 02:55:27,171 INFO L130 BoogieDeclarations]: Found specification of procedure ssb_bus_may_powerdown [2024-11-28 02:55:27,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ssb_bus_may_powerdown [2024-11-28 02:55:27,171 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2024-11-28 02:55:27,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2024-11-28 02:55:27,171 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-28 02:55:27,171 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2024-11-28 02:55:27,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2024-11-28 02:55:27,171 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2024-11-28 02:55:27,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2024-11-28 02:55:27,172 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2024-11-28 02:55:27,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2024-11-28 02:55:27,172 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2024-11-28 02:55:27,172 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2024-11-28 02:55:27,172 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 02:55:27,172 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2024-11-28 02:55:27,172 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2024-11-28 02:55:27,172 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-11-28 02:55:27,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-11-28 02:55:27,172 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2024-11-28 02:55:27,172 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2024-11-28 02:55:27,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-28 02:55:27,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-28 02:55:27,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-28 02:55:27,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-28 02:55:27,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-28 02:55:27,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-28 02:55:27,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-28 02:55:27,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-28 02:55:27,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-28 02:55:27,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-28 02:55:27,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-28 02:55:27,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-28 02:55:27,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-28 02:55:27,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-28 02:55:27,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-11-28 02:55:27,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-11-28 02:55:27,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-11-28 02:55:27,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-11-28 02:55:27,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-11-28 02:55:27,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2024-11-28 02:55:27,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2024-11-28 02:55:27,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#21 [2024-11-28 02:55:27,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#22 [2024-11-28 02:55:27,173 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2024-11-28 02:55:27,173 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2024-11-28 02:55:27,173 INFO L130 BoogieDeclarations]: Found specification of procedure __b44_readphy [2024-11-28 02:55:27,173 INFO L138 BoogieDeclarations]: Found implementation of procedure __b44_readphy [2024-11-28 02:55:27,173 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2024-11-28 02:55:27,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2024-11-28 02:55:27,173 INFO L130 BoogieDeclarations]: Found specification of procedure b44_phy_reset [2024-11-28 02:55:27,173 INFO L138 BoogieDeclarations]: Found implementation of procedure b44_phy_reset [2024-11-28 02:55:27,173 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2024-11-28 02:55:27,173 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2024-11-28 02:55:27,173 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2024-11-28 02:55:27,173 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2024-11-28 02:55:27,173 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2024-11-28 02:55:27,173 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2024-11-28 02:55:27,173 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2024-11-28 02:55:27,174 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2024-11-28 02:55:27,174 INFO L130 BoogieDeclarations]: Found specification of procedure b44_remove_one [2024-11-28 02:55:27,174 INFO L138 BoogieDeclarations]: Found implementation of procedure b44_remove_one [2024-11-28 02:55:27,174 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2024-11-28 02:55:27,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2024-11-28 02:55:27,177 INFO L130 BoogieDeclarations]: Found specification of procedure b44_stats_update [2024-11-28 02:55:27,177 INFO L138 BoogieDeclarations]: Found implementation of procedure b44_stats_update [2024-11-28 02:55:27,178 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_fetch_begin_bh [2024-11-28 02:55:27,178 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_fetch_begin_bh [2024-11-28 02:55:27,178 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2024-11-28 02:55:27,178 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2024-11-28 02:55:27,178 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2024-11-28 02:55:27,178 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2024-11-28 02:55:27,178 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 02:55:27,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 02:55:27,178 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_free [2024-11-28 02:55:27,178 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_free [2024-11-28 02:55:27,178 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-28 02:55:27,178 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-28 02:55:27,178 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-28 02:55:27,178 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-28 02:55:27,178 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-28 02:55:27,178 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-28 02:55:27,179 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-28 02:55:27,179 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-11-28 02:55:27,179 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-11-28 02:55:27,179 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-11-28 02:55:27,179 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-11-28 02:55:27,179 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-11-28 02:55:27,179 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2024-11-28 02:55:27,179 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2024-11-28 02:55:27,179 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2024-11-28 02:55:27,179 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2024-11-28 02:55:27,179 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#16 [2024-11-28 02:55:27,179 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#17 [2024-11-28 02:55:27,179 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#18 [2024-11-28 02:55:27,179 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#19 [2024-11-28 02:55:27,179 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#20 [2024-11-28 02:55:27,179 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#21 [2024-11-28 02:55:27,179 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#22 [2024-11-28 02:55:27,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-28 02:55:27,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-28 02:55:27,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-28 02:55:27,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-28 02:55:27,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-28 02:55:27,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-28 02:55:27,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-28 02:55:27,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-28 02:55:27,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-28 02:55:27,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-28 02:55:27,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-28 02:55:27,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-28 02:55:27,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-28 02:55:27,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-11-28 02:55:27,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-11-28 02:55:27,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-11-28 02:55:27,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-11-28 02:55:27,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2024-11-28 02:55:27,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2024-11-28 02:55:27,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2024-11-28 02:55:27,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#20 [2024-11-28 02:55:27,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#21 [2024-11-28 02:55:27,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#22 [2024-11-28 02:55:27,180 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-28 02:55:27,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-28 02:55:27,180 INFO L130 BoogieDeclarations]: Found specification of procedure b44_readphy [2024-11-28 02:55:27,180 INFO L138 BoogieDeclarations]: Found implementation of procedure b44_readphy [2024-11-28 02:55:27,180 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_unregister [2024-11-28 02:55:27,180 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_unregister [2024-11-28 02:55:27,180 INFO L130 BoogieDeclarations]: Found specification of procedure __b44_set_rx_mode [2024-11-28 02:55:27,180 INFO L138 BoogieDeclarations]: Found implementation of procedure __b44_set_rx_mode [2024-11-28 02:55:27,180 INFO L130 BoogieDeclarations]: Found specification of procedure b44_free_consistent [2024-11-28 02:55:27,180 INFO L138 BoogieDeclarations]: Found implementation of procedure b44_free_consistent [2024-11-28 02:55:27,180 INFO L130 BoogieDeclarations]: Found specification of procedure b44_enable_ints [2024-11-28 02:55:27,180 INFO L138 BoogieDeclarations]: Found implementation of procedure b44_enable_ints [2024-11-28 02:55:27,180 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-11-28 02:55:27,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-11-28 02:55:27,181 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2024-11-28 02:55:27,181 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2024-11-28 02:55:27,181 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2024-11-28 02:55:27,181 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2024-11-28 02:55:27,184 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2024-11-28 02:55:27,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2024-11-28 02:55:27,184 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_update_begin [2024-11-28 02:55:27,184 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_update_begin [2024-11-28 02:55:27,184 INFO L130 BoogieDeclarations]: Found specification of procedure ssb_device_enable [2024-11-28 02:55:27,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ssb_device_enable [2024-11-28 02:55:27,185 INFO L130 BoogieDeclarations]: Found specification of procedure ssb_get_drvdata [2024-11-28 02:55:27,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ssb_get_drvdata [2024-11-28 02:55:27,185 INFO L130 BoogieDeclarations]: Found specification of procedure b44_set_rx_mode [2024-11-28 02:55:27,185 INFO L138 BoogieDeclarations]: Found implementation of procedure b44_set_rx_mode [2024-11-28 02:55:27,185 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2024-11-28 02:55:27,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2024-11-28 02:55:27,185 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-28 02:55:27,185 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-28 02:55:27,185 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-28 02:55:27,185 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-11-28 02:55:27,185 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-11-28 02:55:27,185 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-11-28 02:55:27,185 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-11-28 02:55:27,186 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-11-28 02:55:27,186 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2024-11-28 02:55:27,186 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2024-11-28 02:55:27,186 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2024-11-28 02:55:27,186 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2024-11-28 02:55:27,186 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2024-11-28 02:55:27,186 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2024-11-28 02:55:27,186 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#14 [2024-11-28 02:55:27,186 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#15 [2024-11-28 02:55:27,186 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#16 [2024-11-28 02:55:27,186 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#17 [2024-11-28 02:55:27,186 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#18 [2024-11-28 02:55:27,186 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#19 [2024-11-28 02:55:27,186 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#20 [2024-11-28 02:55:27,186 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#21 [2024-11-28 02:55:27,186 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#22 [2024-11-28 02:55:27,186 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-28 02:55:27,186 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-28 02:55:27,186 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-28 02:55:27,186 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-11-28 02:55:27,186 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-11-28 02:55:27,186 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-11-28 02:55:27,186 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-11-28 02:55:27,186 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-11-28 02:55:27,186 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2024-11-28 02:55:27,187 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2024-11-28 02:55:27,187 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2024-11-28 02:55:27,187 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2024-11-28 02:55:27,187 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2024-11-28 02:55:27,187 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2024-11-28 02:55:27,187 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#14 [2024-11-28 02:55:27,187 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#15 [2024-11-28 02:55:27,187 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#16 [2024-11-28 02:55:27,187 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#17 [2024-11-28 02:55:27,187 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#18 [2024-11-28 02:55:27,187 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#19 [2024-11-28 02:55:27,187 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#20 [2024-11-28 02:55:27,187 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#21 [2024-11-28 02:55:27,187 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#22 [2024-11-28 02:55:27,187 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2024-11-28 02:55:27,187 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2024-11-28 02:55:27,187 INFO L130 BoogieDeclarations]: Found specification of procedure ssb_bus_powerup [2024-11-28 02:55:27,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ssb_bus_powerup [2024-11-28 02:55:27,187 INFO L130 BoogieDeclarations]: Found specification of procedure b44_sync_dma_desc_for_device [2024-11-28 02:55:27,187 INFO L138 BoogieDeclarations]: Found implementation of procedure b44_sync_dma_desc_for_device [2024-11-28 02:55:27,187 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2024-11-28 02:55:27,187 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2024-11-28 02:55:27,187 INFO L130 BoogieDeclarations]: Found specification of procedure br32 [2024-11-28 02:55:27,187 INFO L138 BoogieDeclarations]: Found implementation of procedure br32 [2024-11-28 02:55:27,187 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2024-11-28 02:55:27,187 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2024-11-28 02:55:27,187 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-28 02:55:27,187 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2024-11-28 02:55:27,187 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2024-11-28 02:55:27,188 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-28 02:55:27,188 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-28 02:55:27,188 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-28 02:55:27,188 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-28 02:55:27,188 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-28 02:55:27,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-28 02:55:27,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-28 02:55:27,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-28 02:55:27,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-28 02:55:27,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-28 02:55:27,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-28 02:55:27,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-28 02:55:27,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-28 02:55:27,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-28 02:55:27,193 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-28 02:55:27,193 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-11-28 02:55:27,193 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-11-28 02:55:27,193 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-11-28 02:55:27,193 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-11-28 02:55:27,193 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2024-11-28 02:55:27,193 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2024-11-28 02:55:27,193 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#21 [2024-11-28 02:55:27,193 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#22 [2024-11-28 02:55:27,193 INFO L130 BoogieDeclarations]: Found specification of procedure __b44_cam_write [2024-11-28 02:55:27,193 INFO L138 BoogieDeclarations]: Found implementation of procedure __b44_cam_write [2024-11-28 02:55:27,193 INFO L130 BoogieDeclarations]: Found specification of procedure b44_tx_timeout [2024-11-28 02:55:27,193 INFO L138 BoogieDeclarations]: Found implementation of procedure b44_tx_timeout [2024-11-28 02:55:27,193 INFO L130 BoogieDeclarations]: Found specification of procedure b44_alloc_rx_skb [2024-11-28 02:55:27,193 INFO L138 BoogieDeclarations]: Found implementation of procedure b44_alloc_rx_skb [2024-11-28 02:55:27,193 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-28 02:55:27,193 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-28 02:55:27,193 INFO L130 BoogieDeclarations]: Found specification of procedure b44_chip_reset [2024-11-28 02:55:27,193 INFO L138 BoogieDeclarations]: Found implementation of procedure b44_chip_reset [2024-11-28 02:55:27,193 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-11-28 02:55:27,193 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-11-28 02:55:27,193 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_warn [2024-11-28 02:55:27,193 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_warn [2024-11-28 02:55:27,194 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2024-11-28 02:55:27,194 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2024-11-28 02:55:27,194 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2024-11-28 02:55:27,194 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2024-11-28 02:55:27,194 INFO L130 BoogieDeclarations]: Found specification of procedure b44_halt [2024-11-28 02:55:27,194 INFO L138 BoogieDeclarations]: Found implementation of procedure b44_halt [2024-11-28 02:55:27,194 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2024-11-28 02:55:27,194 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2024-11-28 02:55:27,194 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2024-11-28 02:55:27,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2024-11-28 02:55:27,194 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2024-11-28 02:55:27,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2024-11-28 02:55:27,194 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2024-11-28 02:55:27,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2024-11-28 02:55:27,194 INFO L130 BoogieDeclarations]: Found specification of procedure b44_setup_wol [2024-11-28 02:55:27,194 INFO L138 BoogieDeclarations]: Found implementation of procedure b44_setup_wol [2024-11-28 02:55:27,194 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2024-11-28 02:55:27,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2024-11-28 02:55:27,194 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_62 [2024-11-28 02:55:27,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_62 [2024-11-28 02:55:27,194 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2024-11-28 02:55:27,194 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2024-11-28 02:55:27,194 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2024-11-28 02:55:27,194 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2024-11-28 02:55:27,194 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2024-11-28 02:55:27,194 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2024-11-28 02:55:27,194 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2024-11-28 02:55:27,195 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2024-11-28 02:55:27,195 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2024-11-28 02:55:27,195 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2024-11-28 02:55:27,195 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-28 02:55:27,195 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-28 02:55:27,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-28 02:55:27,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-28 02:55:27,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-28 02:55:27,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-28 02:55:27,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-28 02:55:27,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-28 02:55:27,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-28 02:55:27,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-28 02:55:27,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-28 02:55:27,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-28 02:55:27,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-28 02:55:27,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-28 02:55:27,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-28 02:55:27,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-28 02:55:27,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-28 02:55:27,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-28 02:55:27,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-11-28 02:55:27,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-11-28 02:55:27,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-11-28 02:55:27,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-11-28 02:55:27,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2024-11-28 02:55:27,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2024-11-28 02:55:27,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2024-11-28 02:55:27,196 INFO L130 BoogieDeclarations]: Found specification of procedure b44_disable_ints [2024-11-28 02:55:27,196 INFO L138 BoogieDeclarations]: Found implementation of procedure b44_disable_ints [2024-11-28 02:55:27,196 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-28 02:55:27,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-28 02:55:27,201 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_fetch_retry_bh [2024-11-28 02:55:27,201 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_fetch_retry_bh [2024-11-28 02:55:27,201 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2024-11-28 02:55:27,201 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2024-11-28 02:55:27,201 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2024-11-28 02:55:27,201 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2024-11-28 02:55:27,201 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_b44 [2024-11-28 02:55:27,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_b44 [2024-11-28 02:55:27,201 INFO L130 BoogieDeclarations]: Found specification of procedure __b44_disable_ints [2024-11-28 02:55:27,201 INFO L138 BoogieDeclarations]: Found implementation of procedure __b44_disable_ints [2024-11-28 02:55:27,201 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_63 [2024-11-28 02:55:27,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_63 [2024-11-28 02:55:27,201 INFO L130 BoogieDeclarations]: Found specification of procedure b44_check_phy [2024-11-28 02:55:27,201 INFO L138 BoogieDeclarations]: Found implementation of procedure b44_check_phy [2024-11-28 02:55:27,201 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2024-11-28 02:55:27,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2024-11-28 02:55:27,201 INFO L130 BoogieDeclarations]: Found specification of procedure dql_avail [2024-11-28 02:55:27,201 INFO L138 BoogieDeclarations]: Found implementation of procedure dql_avail [2024-11-28 02:55:27,201 INFO L130 BoogieDeclarations]: Found specification of procedure b44_link_report [2024-11-28 02:55:27,201 INFO L138 BoogieDeclarations]: Found implementation of procedure b44_link_report [2024-11-28 02:55:27,201 INFO L130 BoogieDeclarations]: Found specification of procedure b44_set_flow_ctrl [2024-11-28 02:55:27,201 INFO L138 BoogieDeclarations]: Found implementation of procedure b44_set_flow_ctrl [2024-11-28 02:55:27,202 INFO L130 BoogieDeclarations]: Found specification of procedure __b44_set_mac_addr [2024-11-28 02:55:27,202 INFO L138 BoogieDeclarations]: Found implementation of procedure __b44_set_mac_addr [2024-11-28 02:55:27,202 INFO L130 BoogieDeclarations]: Found specification of procedure b44_free_rings [2024-11-28 02:55:27,202 INFO L138 BoogieDeclarations]: Found implementation of procedure b44_free_rings [2024-11-28 02:55:27,202 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2024-11-28 02:55:27,202 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2024-11-28 02:55:27,202 INFO L130 BoogieDeclarations]: Found specification of procedure b44_wait_bit [2024-11-28 02:55:27,202 INFO L138 BoogieDeclarations]: Found implementation of procedure b44_wait_bit [2024-11-28 02:55:27,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 02:55:27,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-28 02:55:27,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-28 02:55:27,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-28 02:55:27,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-28 02:55:27,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-28 02:55:27,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-28 02:55:27,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-28 02:55:27,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-28 02:55:27,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-28 02:55:27,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-28 02:55:27,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-28 02:55:27,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-28 02:55:27,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-28 02:55:27,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-28 02:55:27,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-28 02:55:27,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-28 02:55:27,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-11-28 02:55:27,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-11-28 02:55:27,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-11-28 02:55:27,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2024-11-28 02:55:27,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2024-11-28 02:55:27,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2024-11-28 02:55:27,203 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2024-11-28 02:55:27,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2024-11-28 02:55:27,203 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2024-11-28 02:55:27,203 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2024-11-28 02:55:27,203 INFO L130 BoogieDeclarations]: Found specification of procedure b44_setup_phy [2024-11-28 02:55:27,203 INFO L138 BoogieDeclarations]: Found implementation of procedure b44_setup_phy [2024-11-28 02:55:28,650 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 02:55:28,656 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 02:55:46,931 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2024-11-28 02:55:47,903 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-28 02:55:57,673 INFO L? ?]: Removed 3804 outVars from TransFormulas that were not future-live. [2024-11-28 02:55:57,673 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 02:55:57,741 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 02:55:57,745 INFO L312 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-28 02:55:57,745 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:55:57 BoogieIcfgContainer [2024-11-28 02:55:57,745 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 02:55:57,751 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 02:55:57,751 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 02:55:57,760 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 02:55:57,761 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:55:18" (1/3) ... [2024-11-28 02:55:57,762 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b352918 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:55:57, skipping insertion in model container [2024-11-28 02:55:57,763 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:55:23" (2/3) ... [2024-11-28 02:55:57,763 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b352918 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:55:57, skipping insertion in model container [2024-11-28 02:55:57,763 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:55:57" (3/3) ... [2024-11-28 02:55:57,764 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-broadcom-b44.cil.i [2024-11-28 02:55:57,784 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 02:55:57,790 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-broadcom-b44.cil.i that has 177 procedures, 3142 locations, 1 initial locations, 72 loop locations, and 3 error locations. [2024-11-28 02:55:57,994 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 02:55:58,010 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;@759a6d67, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 02:55:58,010 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-11-28 02:55:58,028 INFO L276 IsEmpty]: Start isEmpty. Operand has 2942 states, 2152 states have (on average 1.3424721189591078) internal successors, (2889), 2190 states have internal predecessors, (2889), 656 states have call successors, (656), 132 states have call predecessors, (656), 131 states have return successors, (651), 645 states have call predecessors, (651), 651 states have call successors, (651) [2024-11-28 02:55:58,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-11-28 02:55:58,052 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:55:58,053 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:55:58,054 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-28 02:55:58,059 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:55:58,060 INFO L85 PathProgramCache]: Analyzing trace with hash -1208220250, now seen corresponding path program 1 times [2024-11-28 02:55:58,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:55:58,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1516570271] [2024-11-28 02:55:58,069 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:55:58,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:56:05,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:56:06,412 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2024-11-28 02:56:06,413 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:56:06,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1516570271] [2024-11-28 02:56:06,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1516570271] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:56:06,415 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:56:06,415 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 02:56:06,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899609539] [2024-11-28 02:56:06,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:56:06,423 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:56:06,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:56:06,449 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:56:06,450 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:56:06,458 INFO L87 Difference]: Start difference. First operand has 2942 states, 2152 states have (on average 1.3424721189591078) internal successors, (2889), 2190 states have internal predecessors, (2889), 656 states have call successors, (656), 132 states have call predecessors, (656), 131 states have return successors, (651), 645 states have call predecessors, (651), 651 states have call successors, (651) Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-28 02:56:10,618 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 02:56:11,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:56:11,383 INFO L93 Difference]: Finished difference Result 8674 states and 12688 transitions. [2024-11-28 02:56:11,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:56:11,386 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (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 189 [2024-11-28 02:56:11,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:56:11,472 INFO L225 Difference]: With dead ends: 8674 [2024-11-28 02:56:11,472 INFO L226 Difference]: Without dead ends: 5757 [2024-11-28 02:56:11,500 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:56:11,507 INFO L435 NwaCegarLoop]: 4146 mSDtfsCounter, 4009 mSDsluCounter, 4074 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4009 SdHoareTripleChecker+Valid, 8220 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2024-11-28 02:56:11,508 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4009 Valid, 8220 Invalid, 14 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 10 Invalid, 1 Unknown, 0 Unchecked, 4.3s Time] [2024-11-28 02:56:11,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5757 states. [2024-11-28 02:56:12,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5757 to 5753. [2024-11-28 02:56:12,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5753 states, 4231 states have (on average 1.312928385724415) internal successors, (5555), 4304 states have internal predecessors, (5555), 1260 states have call successors, (1260), 260 states have call predecessors, (1260), 259 states have return successors, (1257), 1245 states have call predecessors, (1257), 1257 states have call successors, (1257) [2024-11-28 02:56:12,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5753 states to 5753 states and 8072 transitions. [2024-11-28 02:56:12,109 INFO L78 Accepts]: Start accepts. Automaton has 5753 states and 8072 transitions. Word has length 189 [2024-11-28 02:56:12,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:56:12,110 INFO L471 AbstractCegarLoop]: Abstraction has 5753 states and 8072 transitions. [2024-11-28 02:56:12,111 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-28 02:56:12,114 INFO L276 IsEmpty]: Start isEmpty. Operand 5753 states and 8072 transitions. [2024-11-28 02:56:12,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2024-11-28 02:56:12,125 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:56:12,125 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:56:12,126 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 02:56:12,126 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-28 02:56:12,126 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:56:12,127 INFO L85 PathProgramCache]: Analyzing trace with hash -1958586324, now seen corresponding path program 1 times [2024-11-28 02:56:12,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:56:12,127 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1335878762] [2024-11-28 02:56:12,127 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:56:12,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:56:18,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:56:19,817 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2024-11-28 02:56:19,820 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:56:19,821 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1335878762] [2024-11-28 02:56:19,821 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1335878762] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:56:19,821 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:56:19,821 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 02:56:19,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1191756113] [2024-11-28 02:56:19,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:56:19,823 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:56:19,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:56:19,824 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:56:19,824 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:56:19,824 INFO L87 Difference]: Start difference. First operand 5753 states and 8072 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, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-28 02:56:23,956 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 02:56:24,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:56:24,767 INFO L93 Difference]: Finished difference Result 16733 states and 23476 transitions. [2024-11-28 02:56:24,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:56:24,767 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, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 194 [2024-11-28 02:56:24,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:56:24,847 INFO L225 Difference]: With dead ends: 16733 [2024-11-28 02:56:24,847 INFO L226 Difference]: Without dead ends: 11015 [2024-11-28 02:56:24,867 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:56:24,868 INFO L435 NwaCegarLoop]: 4125 mSDtfsCounter, 4023 mSDsluCounter, 3800 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4023 SdHoareTripleChecker+Valid, 7925 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2024-11-28 02:56:24,868 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4023 Valid, 7925 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 16 Invalid, 1 Unknown, 0 Unchecked, 4.4s Time] [2024-11-28 02:56:24,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11015 states. [2024-11-28 02:56:25,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11015 to 10974. [2024-11-28 02:56:25,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10974 states, 8123 states have (on average 1.3174935368706142) internal successors, (10702), 8271 states have internal predecessors, (10702), 2350 states have call successors, (2350), 505 states have call predecessors, (2350), 498 states have return successors, (2349), 2307 states have call predecessors, (2349), 2347 states have call successors, (2349) [2024-11-28 02:56:25,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10974 states to 10974 states and 15401 transitions. [2024-11-28 02:56:25,412 INFO L78 Accepts]: Start accepts. Automaton has 10974 states and 15401 transitions. Word has length 194 [2024-11-28 02:56:25,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:56:25,413 INFO L471 AbstractCegarLoop]: Abstraction has 10974 states and 15401 transitions. [2024-11-28 02:56:25,413 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, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-28 02:56:25,414 INFO L276 IsEmpty]: Start isEmpty. Operand 10974 states and 15401 transitions. [2024-11-28 02:56:25,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2024-11-28 02:56:25,419 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:56:25,420 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:56:25,420 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 02:56:25,420 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-28 02:56:25,420 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:56:25,421 INFO L85 PathProgramCache]: Analyzing trace with hash 370570787, now seen corresponding path program 1 times [2024-11-28 02:56:25,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:56:25,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [409774363] [2024-11-28 02:56:25,421 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:56:25,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:56:31,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:56:32,684 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2024-11-28 02:56:32,685 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:56:32,685 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [409774363] [2024-11-28 02:56:32,685 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [409774363] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:56:32,685 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:56:32,685 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 02:56:32,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953283629] [2024-11-28 02:56:32,686 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:56:32,687 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:56:32,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:56:32,687 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:56:32,688 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:56:32,688 INFO L87 Difference]: Start difference. First operand 10974 states and 15401 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-28 02:56:36,819 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 02:56:37,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:56:37,776 INFO L93 Difference]: Finished difference Result 32224 states and 45229 transitions. [2024-11-28 02:56:37,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:56:37,777 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 197 [2024-11-28 02:56:37,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:56:37,955 INFO L225 Difference]: With dead ends: 32224 [2024-11-28 02:56:37,956 INFO L226 Difference]: Without dead ends: 21285 [2024-11-28 02:56:38,009 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:56:38,012 INFO L435 NwaCegarLoop]: 4156 mSDtfsCounter, 3955 mSDsluCounter, 3838 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3955 SdHoareTripleChecker+Valid, 7994 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2024-11-28 02:56:38,013 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3955 Valid, 7994 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 26 Invalid, 1 Unknown, 0 Unchecked, 4.5s Time] [2024-11-28 02:56:38,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21285 states. [2024-11-28 02:56:39,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21285 to 21242. [2024-11-28 02:56:39,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21242 states, 15767 states have (on average 1.3193378575505803) internal successors, (20802), 16067 states have internal predecessors, (20802), 4500 states have call successors, (4500), 991 states have call predecessors, (4500), 972 states have return successors, (4509), 4399 states have call predecessors, (4509), 4497 states have call successors, (4509) [2024-11-28 02:56:39,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21242 states to 21242 states and 29811 transitions. [2024-11-28 02:56:39,256 INFO L78 Accepts]: Start accepts. Automaton has 21242 states and 29811 transitions. Word has length 197 [2024-11-28 02:56:39,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:56:39,257 INFO L471 AbstractCegarLoop]: Abstraction has 21242 states and 29811 transitions. [2024-11-28 02:56:39,257 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-28 02:56:39,257 INFO L276 IsEmpty]: Start isEmpty. Operand 21242 states and 29811 transitions. [2024-11-28 02:56:39,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2024-11-28 02:56:39,266 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:56:39,266 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:56:39,266 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 02:56:39,266 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-28 02:56:39,271 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:56:39,271 INFO L85 PathProgramCache]: Analyzing trace with hash 1370361083, now seen corresponding path program 1 times [2024-11-28 02:56:39,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:56:39,271 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1166922216] [2024-11-28 02:56:39,271 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:56:39,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:56:45,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:56:45,729 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2024-11-28 02:56:45,729 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:56:45,729 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1166922216] [2024-11-28 02:56:45,730 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1166922216] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:56:45,730 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:56:45,730 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 02:56:45,730 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1252531135] [2024-11-28 02:56:45,730 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:56:45,730 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:56:45,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:56:45,731 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:56:45,731 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:56:45,732 INFO L87 Difference]: Start difference. First operand 21242 states and 29811 transitions. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-28 02:56:49,863 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 02:56:52,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:56:52,113 INFO L93 Difference]: Finished difference Result 57354 states and 80165 transitions. [2024-11-28 02:56:52,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:56:52,114 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 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 211 [2024-11-28 02:56:52,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:56:52,319 INFO L225 Difference]: With dead ends: 57354 [2024-11-28 02:56:52,319 INFO L226 Difference]: Without dead ends: 36147 [2024-11-28 02:56:52,396 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:56:52,397 INFO L435 NwaCegarLoop]: 4416 mSDtfsCounter, 2920 mSDsluCounter, 3973 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2920 SdHoareTripleChecker+Valid, 8389 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2024-11-28 02:56:52,397 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2920 Valid, 8389 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 101 Invalid, 1 Unknown, 0 Unchecked, 5.3s Time] [2024-11-28 02:56:52,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36147 states. [2024-11-28 02:56:53,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36147 to 36100. [2024-11-28 02:56:54,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36100 states, 26509 states have (on average 1.3120072428231921) internal successors, (34780), 27039 states have internal predecessors, (34780), 7754 states have call successors, (7754), 1875 states have call predecessors, (7754), 1834 states have return successors, (7775), 7537 states have call predecessors, (7775), 7751 states have call successors, (7775) [2024-11-28 02:56:54,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36100 states to 36100 states and 50309 transitions. [2024-11-28 02:56:54,233 INFO L78 Accepts]: Start accepts. Automaton has 36100 states and 50309 transitions. Word has length 211 [2024-11-28 02:56:54,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:56:54,234 INFO L471 AbstractCegarLoop]: Abstraction has 36100 states and 50309 transitions. [2024-11-28 02:56:54,235 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-28 02:56:54,235 INFO L276 IsEmpty]: Start isEmpty. Operand 36100 states and 50309 transitions. [2024-11-28 02:56:54,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2024-11-28 02:56:54,240 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:56:54,240 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:56:54,241 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 02:56:54,241 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-28 02:56:54,241 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:56:54,242 INFO L85 PathProgramCache]: Analyzing trace with hash 995867047, now seen corresponding path program 1 times [2024-11-28 02:56:54,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:56:54,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [529708337] [2024-11-28 02:56:54,242 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:56:54,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:57:01,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:57:01,760 INFO L134 CoverageAnalysis]: Checked inductivity of 994 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 994 trivial. 0 not checked. [2024-11-28 02:57:01,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:57:01,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [529708337] [2024-11-28 02:57:01,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [529708337] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:57:01,760 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:57:01,760 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 02:57:01,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [582707075] [2024-11-28 02:57:01,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:57:01,761 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:57:01,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:57:01,762 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:57:01,762 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:57:01,762 INFO L87 Difference]: Start difference. First operand 36100 states and 50309 transitions. Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2024-11-28 02:57:05,885 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 02:57:07,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:57:07,292 INFO L93 Difference]: Finished difference Result 63594 states and 88520 transitions. [2024-11-28 02:57:07,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:57:07,293 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 233 [2024-11-28 02:57:07,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:57:07,469 INFO L225 Difference]: With dead ends: 63594 [2024-11-28 02:57:07,469 INFO L226 Difference]: Without dead ends: 27529 [2024-11-28 02:57:07,587 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:57:07,589 INFO L435 NwaCegarLoop]: 6574 mSDtfsCounter, 2897 mSDsluCounter, 4047 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 17 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2897 SdHoareTripleChecker+Valid, 10621 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2024-11-28 02:57:07,589 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2897 Valid, 10621 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 67 Invalid, 1 Unknown, 0 Unchecked, 4.8s Time] [2024-11-28 02:57:07,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27529 states. [2024-11-28 02:57:08,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27529 to 27497. [2024-11-28 02:57:08,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27497 states, 20453 states have (on average 1.312668068254046) internal successors, (26848), 20855 states have internal predecessors, (26848), 5619 states have call successors, (5619), 1443 states have call predecessors, (5619), 1422 states have return successors, (5628), 5462 states have call predecessors, (5628), 5616 states have call successors, (5628) [2024-11-28 02:57:08,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27497 states to 27497 states and 38095 transitions. [2024-11-28 02:57:08,893 INFO L78 Accepts]: Start accepts. Automaton has 27497 states and 38095 transitions. Word has length 233 [2024-11-28 02:57:08,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:57:08,893 INFO L471 AbstractCegarLoop]: Abstraction has 27497 states and 38095 transitions. [2024-11-28 02:57:08,894 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2024-11-28 02:57:08,894 INFO L276 IsEmpty]: Start isEmpty. Operand 27497 states and 38095 transitions. [2024-11-28 02:57:08,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2024-11-28 02:57:08,900 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:57:08,900 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 15, 15, 15, 15, 15, 15, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:57:08,900 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 02:57:08,901 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-28 02:57:08,901 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:57:08,901 INFO L85 PathProgramCache]: Analyzing trace with hash 2130593543, now seen corresponding path program 1 times [2024-11-28 02:57:08,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:57:08,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1937527145] [2024-11-28 02:57:08,901 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:57:08,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:57:13,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:57:14,380 INFO L134 CoverageAnalysis]: Checked inductivity of 1107 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1101 trivial. 0 not checked. [2024-11-28 02:57:14,380 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:57:14,380 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1937527145] [2024-11-28 02:57:14,380 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1937527145] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:57:14,380 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:57:14,381 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 02:57:14,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613887129] [2024-11-28 02:57:14,381 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:57:14,381 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:57:14,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:57:14,382 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:57:14,382 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:57:14,382 INFO L87 Difference]: Start difference. First operand 27497 states and 38095 transitions. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2024-11-28 02:57:18,507 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 02:57:20,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:57:20,232 INFO L93 Difference]: Finished difference Result 81446 states and 112960 transitions. [2024-11-28 02:57:20,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:57:20,233 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) Word has length 230 [2024-11-28 02:57:20,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:57:20,649 INFO L225 Difference]: With dead ends: 81446 [2024-11-28 02:57:20,650 INFO L226 Difference]: Without dead ends: 54028 [2024-11-28 02:57:20,787 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:57:20,789 INFO L435 NwaCegarLoop]: 5842 mSDtfsCounter, 4004 mSDsluCounter, 4082 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4004 SdHoareTripleChecker+Valid, 9924 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2024-11-28 02:57:20,790 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4004 Valid, 9924 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2024-11-28 02:57:20,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54028 states. [2024-11-28 02:57:23,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54028 to 54006. [2024-11-28 02:57:23,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54006 states, 40226 states have (on average 1.3150449957738777) internal successors, (52899), 40972 states have internal predecessors, (52899), 10999 states have call successors, (10999), 2819 states have call predecessors, (10999), 2778 states have return successors, (11020), 10726 states have call predecessors, (11020), 10996 states have call successors, (11020) [2024-11-28 02:57:23,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54006 states to 54006 states and 74918 transitions. [2024-11-28 02:57:23,664 INFO L78 Accepts]: Start accepts. Automaton has 54006 states and 74918 transitions. Word has length 230 [2024-11-28 02:57:23,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:57:23,665 INFO L471 AbstractCegarLoop]: Abstraction has 54006 states and 74918 transitions. [2024-11-28 02:57:23,665 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2024-11-28 02:57:23,665 INFO L276 IsEmpty]: Start isEmpty. Operand 54006 states and 74918 transitions. [2024-11-28 02:57:23,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2024-11-28 02:57:23,669 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:57:23,669 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 15, 15, 15, 15, 15, 15, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:57:23,669 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-28 02:57:23,670 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-28 02:57:23,670 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:57:23,670 INFO L85 PathProgramCache]: Analyzing trace with hash -1741671927, now seen corresponding path program 1 times [2024-11-28 02:57:23,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:57:23,670 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1732343714] [2024-11-28 02:57:23,671 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:57:23,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:57:30,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:57:31,438 INFO L134 CoverageAnalysis]: Checked inductivity of 1107 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1107 trivial. 0 not checked. [2024-11-28 02:57:31,439 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:57:31,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1732343714] [2024-11-28 02:57:31,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1732343714] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:57:31,439 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:57:31,439 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 02:57:31,440 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [302703076] [2024-11-28 02:57:31,440 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:57:31,440 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 02:57:31,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:57:31,441 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 02:57:31,441 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:57:31,441 INFO L87 Difference]: Start difference. First operand 54006 states and 74918 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, (24), 3 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-28 02:57:33,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:57:33,121 INFO L93 Difference]: Finished difference Result 54012 states and 74923 transitions. [2024-11-28 02:57:33,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 02:57:33,122 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, (24), 3 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 230 [2024-11-28 02:57:33,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:57:33,430 INFO L225 Difference]: With dead ends: 54012 [2024-11-28 02:57:33,431 INFO L226 Difference]: Without dead ends: 54010 [2024-11-28 02:57:33,471 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-28 02:57:33,473 INFO L435 NwaCegarLoop]: 4107 mSDtfsCounter, 4055 mSDsluCounter, 8201 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4056 SdHoareTripleChecker+Valid, 12308 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 02:57:33,473 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4056 Valid, 12308 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 02:57:33,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54010 states. [2024-11-28 02:57:36,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54010 to 54010. [2024-11-28 02:57:36,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54010 states, 40229 states have (on average 1.3150215019016132) internal successors, (52902), 40975 states have internal predecessors, (52902), 10999 states have call successors, (10999), 2820 states have call predecessors, (10999), 2779 states have return successors, (11020), 10726 states have call predecessors, (11020), 10996 states have call successors, (11020) [2024-11-28 02:57:36,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54010 states to 54010 states and 74921 transitions. [2024-11-28 02:57:36,517 INFO L78 Accepts]: Start accepts. Automaton has 54010 states and 74921 transitions. Word has length 230 [2024-11-28 02:57:36,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:57:36,518 INFO L471 AbstractCegarLoop]: Abstraction has 54010 states and 74921 transitions. [2024-11-28 02:57:36,518 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, (24), 3 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-28 02:57:36,518 INFO L276 IsEmpty]: Start isEmpty. Operand 54010 states and 74921 transitions. [2024-11-28 02:57:36,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2024-11-28 02:57:36,523 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:57:36,523 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 15, 15, 15, 15, 15, 15, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:57:36,523 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-28 02:57:36,524 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-28 02:57:36,524 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:57:36,524 INFO L85 PathProgramCache]: Analyzing trace with hash 384560901, now seen corresponding path program 1 times [2024-11-28 02:57:36,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:57:36,525 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1763848848] [2024-11-28 02:57:36,525 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:57:36,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:57:43,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:57:44,459 INFO L134 CoverageAnalysis]: Checked inductivity of 1109 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1107 trivial. 0 not checked. [2024-11-28 02:57:44,459 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:57:44,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1763848848] [2024-11-28 02:57:44,459 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1763848848] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:57:44,459 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:57:44,460 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 02:57:44,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1182158745] [2024-11-28 02:57:44,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:57:44,460 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 02:57:44,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:57:44,461 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 02:57:44,461 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:57:44,461 INFO L87 Difference]: Start difference. First operand 54010 states and 74921 transitions. Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-28 02:57:46,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:57:46,185 INFO L93 Difference]: Finished difference Result 54016 states and 74926 transitions. [2024-11-28 02:57:46,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 02:57:46,186 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 235 [2024-11-28 02:57:46,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:57:46,515 INFO L225 Difference]: With dead ends: 54016 [2024-11-28 02:57:46,516 INFO L226 Difference]: Without dead ends: 54014 [2024-11-28 02:57:46,557 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-28 02:57:46,558 INFO L435 NwaCegarLoop]: 4110 mSDtfsCounter, 4051 mSDsluCounter, 8202 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4052 SdHoareTripleChecker+Valid, 12312 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 02:57:46,558 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4052 Valid, 12312 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 02:57:46,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54014 states. [2024-11-28 02:57:48,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54014 to 54014. [2024-11-28 02:57:48,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54014 states, 40232 states have (on average 1.314998011533108) internal successors, (52905), 40978 states have internal predecessors, (52905), 10999 states have call successors, (10999), 2821 states have call predecessors, (10999), 2780 states have return successors, (11020), 10726 states have call predecessors, (11020), 10996 states have call successors, (11020) [2024-11-28 02:57:48,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54014 states to 54014 states and 74924 transitions. [2024-11-28 02:57:48,507 INFO L78 Accepts]: Start accepts. Automaton has 54014 states and 74924 transitions. Word has length 235 [2024-11-28 02:57:48,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:57:48,508 INFO L471 AbstractCegarLoop]: Abstraction has 54014 states and 74924 transitions. [2024-11-28 02:57:48,509 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-28 02:57:48,509 INFO L276 IsEmpty]: Start isEmpty. Operand 54014 states and 74924 transitions. [2024-11-28 02:57:48,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2024-11-28 02:57:48,512 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:57:48,512 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 15, 15, 15, 15, 15, 15, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:57:48,513 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-28 02:57:48,513 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-28 02:57:48,513 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:57:48,513 INFO L85 PathProgramCache]: Analyzing trace with hash 306710345, now seen corresponding path program 1 times [2024-11-28 02:57:48,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:57:48,514 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1968837676] [2024-11-28 02:57:48,514 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:57:48,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:57:54,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:57:56,018 INFO L134 CoverageAnalysis]: Checked inductivity of 1115 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1111 trivial. 0 not checked. [2024-11-28 02:57:56,019 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:57:56,019 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1968837676] [2024-11-28 02:57:56,019 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1968837676] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:57:56,019 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:57:56,019 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 02:57:56,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954209472] [2024-11-28 02:57:56,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:57:56,020 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 02:57:56,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:57:56,021 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 02:57:56,021 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:57:56,022 INFO L87 Difference]: Start difference. First operand 54014 states and 74924 transitions. Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-28 02:57:57,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:57:57,686 INFO L93 Difference]: Finished difference Result 54020 states and 74929 transitions. [2024-11-28 02:57:57,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 02:57:57,687 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 240 [2024-11-28 02:57:57,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:57:57,979 INFO L225 Difference]: With dead ends: 54020 [2024-11-28 02:57:57,979 INFO L226 Difference]: Without dead ends: 54018 [2024-11-28 02:57:58,021 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-28 02:57:58,022 INFO L435 NwaCegarLoop]: 4110 mSDtfsCounter, 4050 mSDsluCounter, 8202 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4051 SdHoareTripleChecker+Valid, 12312 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 02:57:58,023 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4051 Valid, 12312 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 02:57:58,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54018 states. [2024-11-28 02:58:00,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54018 to 54018. [2024-11-28 02:58:00,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54018 states, 40235 states have (on average 1.314974524667578) internal successors, (52908), 40981 states have internal predecessors, (52908), 10999 states have call successors, (10999), 2822 states have call predecessors, (10999), 2781 states have return successors, (11020), 10726 states have call predecessors, (11020), 10996 states have call successors, (11020) [2024-11-28 02:58:00,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54018 states to 54018 states and 74927 transitions. [2024-11-28 02:58:00,523 INFO L78 Accepts]: Start accepts. Automaton has 54018 states and 74927 transitions. Word has length 240 [2024-11-28 02:58:00,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:58:00,524 INFO L471 AbstractCegarLoop]: Abstraction has 54018 states and 74927 transitions. [2024-11-28 02:58:00,524 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-28 02:58:00,524 INFO L276 IsEmpty]: Start isEmpty. Operand 54018 states and 74927 transitions. [2024-11-28 02:58:00,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2024-11-28 02:58:00,527 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:58:00,527 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 15, 15, 15, 15, 15, 15, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:58:00,527 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-28 02:58:00,527 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-28 02:58:00,528 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:58:00,528 INFO L85 PathProgramCache]: Analyzing trace with hash 954306885, now seen corresponding path program 1 times [2024-11-28 02:58:00,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:58:00,528 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1741358496] [2024-11-28 02:58:00,528 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:58:00,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:58:06,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:58:07,703 INFO L134 CoverageAnalysis]: Checked inductivity of 1125 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1119 trivial. 0 not checked. [2024-11-28 02:58:07,704 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:58:07,704 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1741358496] [2024-11-28 02:58:07,704 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1741358496] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:58:07,704 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:58:07,705 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 02:58:07,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457963392] [2024-11-28 02:58:07,705 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:58:07,705 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 02:58:07,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:58:07,706 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 02:58:07,706 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:58:07,706 INFO L87 Difference]: Start difference. First operand 54018 states and 74927 transitions. Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-28 02:58:09,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:58:09,450 INFO L93 Difference]: Finished difference Result 54024 states and 74932 transitions. [2024-11-28 02:58:09,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 02:58:09,451 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 245 [2024-11-28 02:58:09,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:58:09,863 INFO L225 Difference]: With dead ends: 54024 [2024-11-28 02:58:09,867 INFO L226 Difference]: Without dead ends: 54022 [2024-11-28 02:58:09,925 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-28 02:58:09,926 INFO L435 NwaCegarLoop]: 4110 mSDtfsCounter, 4049 mSDsluCounter, 8202 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4050 SdHoareTripleChecker+Valid, 12312 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 02:58:09,927 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4050 Valid, 12312 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 02:58:10,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54022 states. [2024-11-28 02:58:12,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54022 to 54022. [2024-11-28 02:58:12,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54022 states, 40238 states have (on average 1.3149510413042398) internal successors, (52911), 40984 states have internal predecessors, (52911), 10999 states have call successors, (10999), 2823 states have call predecessors, (10999), 2782 states have return successors, (11020), 10726 states have call predecessors, (11020), 10996 states have call successors, (11020) [2024-11-28 02:58:12,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54022 states to 54022 states and 74930 transitions. [2024-11-28 02:58:12,693 INFO L78 Accepts]: Start accepts. Automaton has 54022 states and 74930 transitions. Word has length 245 [2024-11-28 02:58:12,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:58:12,694 INFO L471 AbstractCegarLoop]: Abstraction has 54022 states and 74930 transitions. [2024-11-28 02:58:12,694 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-28 02:58:12,694 INFO L276 IsEmpty]: Start isEmpty. Operand 54022 states and 74930 transitions. [2024-11-28 02:58:12,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2024-11-28 02:58:12,695 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:58:12,695 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 15, 15, 15, 15, 15, 15, 5, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:58:12,696 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-28 02:58:12,696 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-28 02:58:12,697 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:58:12,697 INFO L85 PathProgramCache]: Analyzing trace with hash -1074266999, now seen corresponding path program 1 times [2024-11-28 02:58:12,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:58:12,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [244728432] [2024-11-28 02:58:12,697 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:58:12,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:58:18,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:58:19,536 INFO L134 CoverageAnalysis]: Checked inductivity of 1139 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 1131 trivial. 0 not checked. [2024-11-28 02:58:19,536 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:58:19,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [244728432] [2024-11-28 02:58:19,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [244728432] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:58:19,536 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:58:19,536 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 02:58:19,537 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1975948344] [2024-11-28 02:58:19,537 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:58:19,537 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 02:58:19,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:58:19,538 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 02:58:19,538 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:58:19,538 INFO L87 Difference]: Start difference. First operand 54022 states and 74930 transitions. Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-28 02:58:21,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:58:21,386 INFO L93 Difference]: Finished difference Result 54028 states and 74935 transitions. [2024-11-28 02:58:21,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 02:58:21,386 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 250 [2024-11-28 02:58:21,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:58:21,573 INFO L225 Difference]: With dead ends: 54028 [2024-11-28 02:58:21,573 INFO L226 Difference]: Without dead ends: 54026 [2024-11-28 02:58:21,598 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-28 02:58:21,598 INFO L435 NwaCegarLoop]: 4110 mSDtfsCounter, 4048 mSDsluCounter, 8202 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4049 SdHoareTripleChecker+Valid, 12312 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 02:58:21,598 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4049 Valid, 12312 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 02:58:21,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54026 states. [2024-11-28 02:58:23,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54026 to 54026. [2024-11-28 02:58:23,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54026 states, 40241 states have (on average 1.3149275614423102) internal successors, (52914), 40987 states have internal predecessors, (52914), 10999 states have call successors, (10999), 2824 states have call predecessors, (10999), 2783 states have return successors, (11020), 10726 states have call predecessors, (11020), 10996 states have call successors, (11020) [2024-11-28 02:58:23,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54026 states to 54026 states and 74933 transitions. [2024-11-28 02:58:23,765 INFO L78 Accepts]: Start accepts. Automaton has 54026 states and 74933 transitions. Word has length 250 [2024-11-28 02:58:23,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:58:23,766 INFO L471 AbstractCegarLoop]: Abstraction has 54026 states and 74933 transitions. [2024-11-28 02:58:23,766 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-28 02:58:23,766 INFO L276 IsEmpty]: Start isEmpty. Operand 54026 states and 74933 transitions. [2024-11-28 02:58:23,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2024-11-28 02:58:23,768 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:58:23,768 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 15, 15, 15, 15, 15, 15, 6, 5, 5, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:58:23,768 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-28 02:58:23,768 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-28 02:58:23,769 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:58:23,769 INFO L85 PathProgramCache]: Analyzing trace with hash 1095963525, now seen corresponding path program 1 times [2024-11-28 02:58:23,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:58:23,769 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1470602976] [2024-11-28 02:58:23,769 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:58:23,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:58:30,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:58:31,058 INFO L134 CoverageAnalysis]: Checked inductivity of 1157 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 1147 trivial. 0 not checked. [2024-11-28 02:58:31,058 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:58:31,058 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1470602976] [2024-11-28 02:58:31,058 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1470602976] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:58:31,058 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:58:31,059 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 02:58:31,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [164852746] [2024-11-28 02:58:31,059 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:58:31,059 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 02:58:31,059 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:58:31,060 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 02:58:31,060 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:58:31,061 INFO L87 Difference]: Start difference. First operand 54026 states and 74933 transitions. Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27)